Hoisting and lifting and hauling (B66)

B66            Hoisting; lifting; hauling(22679)
Cable electric hoist // 2607718
FIELD: machine building.SUBSTANCE: invention relates to handling equipment, particularly to cable electric hoists. Cable electric hoist comprises two frames (1, 2) with working wheels (4), lifting element (16) with hook (17), on one of frames (2) displacement (5) electric motor is attached and on another are installed drum (6), reduction gear (8) and lifting electric motor (9). Lifting electric motor (9) is arranged in drum (6) inner cavity, between frames (1, 2) control axis (3) is arranged, frame (1) with displacement (9) electric motor is made with shelf (13) to support spring-loaded roller (12) spring, made with possibility of rolling along beam crane (14) lower surface (15), and on drum (6) gear rim (10) is arranged with possibility to engage with reduction gear output shaft (8) drive gear (11).EFFECT: enabling improvement of electric hoist design with reduced weight and small overall dimensions.1 cl, 4 dwg
Lifting device // 2607343
FIELD: fire safety.SUBSTANCE: invention relates to fire or explosion hazardous conditions of mining equipment working and used for delf-installation and self-demounting of manipulator. Lifting device includes manual winch, mainly acting from muscular strength of man, hoisting tackle and manipulator, which should be lift to monorail at the roof of mine working and fixed at last. To four angular points of suspension of the manipulator are fixed uplink branches of balancing rope, that is made infinite. Units of balancing rope are made with possibility of fixing by rod supports to soil and roof of mine working, note here that vertical branches of balancing rope and lifting cable are strictly parallel.EFFECT: invention provides increasing of device reliability.1 cl, 11 dwg
Large-size unloading skip installed on curvilinear guide having external drive and elongated structure // 2607137
FIELD: machine building.SUBSTANCE: present invention discloses large-size unloading skip installed on guide with external drive and elongated structure, containing body upper housing (1) and body lower housing (2). Body comprises inner and outer lining plates, attached to each other by plurality of fixing rods, self-locking gate (6) and gate opening device. Loading opening and gate for coal, which is used for locking of coal, when coal is loaded, are arranged on upper body housing upper part, self-locking gate (6) is made of gate sector plates, and discharge rollers are arranged on body lower housing, pan for coal is arranged on self-locking gate lower part. Upper body housing and body lower housing are connected to each other by means of flange connection, and channel sections are welded around upper body and lower body walls, respectively. When skip is in unloading position, telescopic tie-rods with external drive, push discharge rollers to move in guide providing movable unit unloading, so, that self-locking gate is open, and coal is unloaded along pan for coal.EFFECT: due to reliable connection between upper body housing and lower body housing, efficient and convenient fixation of lining board and reliable opening of gate, skip provides possibility of meeting large wells process requirements with capacity of 10 million ton.1 cl, 8 dwg
Auxiliary brake to prevent reverse stroke and exceeding permissible speed of escalator // 2606905
FIELD: machine building.SUBSTANCE: auxiliary brake to prevent reverse stroke and exceeding permissible speed of an escalator is installed on the escalator rotation shaft rotating in the forward or reverse direction by a drive motor to move up or down the chain carrying the escalators steps with driving sprockets attached to opposite end sections of the escalator rotation shaft and engaged with the chain; a reverse rotation sensor for identification of the escalator shaft rotation direction; an exceeding permissible speed sensor for measurement of the shaft rotation speed; an auxiliary brake of emergent stop to stop rotation of the shaft; a control unit to control the auxiliary brake of emergent stop by making a decision on occurrence of an emergency depending on signals coming from the reverse rotation sensor and the exceeding permissible speed sensor. Auxiliary brake of emergent stop includes the first braking assembly installed in the middle part of the escalator rotation shaft to apply braking force to the middle part of this shaft, herewith the first braking assembly comprises a brake disc attached to the said shaft. Auxiliary brake of emergent stop includes the second braking assembly installed near the first or the second sprocket.EFFECT: invention provides higher efficiency of emergent stop.1 cl, 11 dwg
Connecting chain clamp // 2606177
FIELD: construction.SUBSTANCE: invention relates to connecting chain clamp intended for fastening of hoisting chain to lifting element. Connecting chain clamp consists of two identical halves (1a), made to be mounted opposite each other for combined operation. Identical halves (1a) form first space (A) for placement of one chain link or half of chain link for fixation of chain in direction of load lifting or lift force action. First space is open in first direction corresponding to longitudinal direction of connecting clamp. Second space (B) is connected with said first space and is intended for placement of second hoisting chain link, which is connected to first chain link or is subject to connection with half of chain link. Second space is open in both longitudinal directions of hoisting chain.EFFECT: simplified design and higher reliability are achieved.15 cl, 4 dwg
Rail joint and it's method of manufacturing // 2606176
FIELD: construction.SUBSTANCE: invention relates to construction of railway tracks, namely, to rail butt joints. Rail joint comprises on abutting ends (4, 5) of continuous rail profile parts (2, 3) of the rail (1) corresponding to each other zigzag-like projections (6, 7). Both ends of rails are attached to the corresponding bearing element. Rail ends attached to the bearing elements are mated with each other. Bearing elements are fixed to each other. Zigzag-like projections (6, 7) are made so that the lower edges (4A, 5A) of rail ends (4, 5) are not zigzag. At that zigzag-like projections extend from lower edges to top surfaces or ends of rails. Lower edges (4A, 5A) of rail ends (4, 5) over the entire width are welded to their bearing elements (8, 9).EFFECT: possibility of uniform and stable load distribution in the joint is reached.12 cl, 5 dwg
Gripping device for manipulating of reinforcement frames for segments of wind power plant tower // 2606161
FIELD: energy; construction.SUBSTANCE: invention relates to gripping devices. Gripping device (1) for manipulating reinforcement frames for segments of wind power plant tower has receiving device (3) for gripping of levers and multiple gripping arms (5), which are star-shaped in receiving device (3) for gripping arms. Connecting mean (13) connectable with reinforcement framework can be installed on each gripping arm, gripping arms (5) are telescopically adjusted along its length by means of engine. Gripping device (1) can be connected with lifting device (7), moving horizontally and vertically, and is intended for picking up the reinforcement framework from device (101) for production of reinforcement frames and/or bottom it in formwork for making of tower segment.EFFECT: providing reliable gripping and manipulation of reinforcement frames.17 cl, 12 dwg

Vip-mechanism for suspended cargo reciprocation // 2605701
FIELD: transport.SUBSTANCE: invention relates to handling equipment for transfer of suspended cargo in vertical and horizontal planes. Suspended cargo reciprocation mechanism comprises base, converter and carried cargo hinged connection suspension device. Converter is made in form of lead screw installed on base, kinematically connected with suspension device. Carried cargo hinged connection suspension device is made in form of pendular balancer interacting with lead screw, which is pendular single-arm lever, at one end of which screw kinematic pair threaded hole is made for lead screw installation into it, on pendular single-arm lever other end hole is arranged for carried cargo hinged connection.EFFECT: enabling simplified design, reduced dimensions and weight of drive, providing accurate cargo movement on horizontal with low speeds without use of step-down reduction gear with higher gear ratio, as well as reliable retention of carried cargo at specified height without using complex braking mechanisms.6 cl, 6 dwg

Pneumatic jack by n.p. dyadchenko // 2605580
FIELD: tools.SUBSTANCE: invention relates to pneumatic tool, specifically to pneumatic jacks. Pneumatic jack, operated from compressor contains two toroidal shells, made with possibility to supply compressed air into each of them. Shells are folded along diameter and laid with bends adjoining into rubber-cord cover, having protectors on outer surface lower part, and load-bearing platform in form of two flanges on outer surface upper part, jamming cover upper beads. Outer flange has lugs for articulation with jack carry over handles. Cover is equipped with arranged in central part hollow cylinder and sleeve telescopically connected with it, between bottoms of which adjustable spring is installed.EFFECT: technical result from use of disclosed invention consists in expansion of functional capabilities and higher capacity of pneumatic jack.1 cl, 3 dwg

ethod for automated control of asynchronous electric drive of movement with correction of transverse displacement // 2605233
FIELD: machine building.SUBSTANCE: invention can be used in mechanisms of moving bridge cranes with a separate electric drive of asynchronous motors of the crane supports. Method for automated control of an asynchronous electric drive of movement with correction of transverse displacement involves using bypass relay-vector systems to control the speed of asynchronous motors of the crane supports with correction of the transverse displacement on the basis of two contactless sensors (17, 18) measuring the distance from preset points of the crane to rails (19, 20) on opposite supports. Signals of sensors D1 and D2 are used for analysis of the crane position basing on calculating differential value Δ12=D1-D2 making it possible to uniquely identify the crane transverse displacement relative to the crane runway. On the basis of the above specified differential value formed is correction signal Uk1/Uk2, which is subtracted from speed setting signal USS1/USS2 of electric motor M1/M2 respectively in the external speed circuit of the relay-vector system of the supports asynchronous motors control. Thus, provided is alignment and elimination of the crane transverse displacement in order to rule out a contact between flanges of the crane wheels and the rails.EFFECT: provided is correction of transverse displacement of a bridge crane with high speed and accuracy, increased service life of the crane running gear, higher efficiency of the equipment use, reduced costs for its maintenance and repair, higher efficiency of the mechanism due to reduction of power consumption.1 cl, 2 dwg, 1 tbl

Telescopic mast // 2604906
FIELD: machine building.SUBSTANCE: invention relates to hoisting devices and can be used in mobile plants of various purpose. On intermediate retractable sections there are fixation locks, on the axes of housings of which there are balance beam (23) and support cover (25) spring-loaded by torsion spring (26) fixing slider (24). Each retractable section includes a fastening element. In the case of the fastening element there is a nut, on the upper and the lower sides of which springs are located. On the base and the intermediate sections there are splines, and on the inner section and the intermediate sections there are stops. On the base and the intermediate sections there are pins (21).EFFECT: invention provides higher reliability of the telescopic mast.1 cl, 7 dwg

Device for adjusting of intermediate body part position in two-level cage and method of this part adjusting and movement // 2604905
FIELD: machine building.SUBSTANCE: invention relates to device for adjusting of intermediate body part position in two-level cage and method of this part adjusting. Device for intermediate body part (2) position adjusting in large two-level cage comprises guide beam to ensure intermediate body part (2) movement upwards or downwards, arranged on cage posts (1) inner side, chain unit and connecting element, connected to cage suspension plate, wedge-shaped supports made for intermediate body part (2) lowered position fixing and placed symmetrically on both sides of guide beam lower part, limiting unit arranged on guide beam upper part. In limiting unit rod hole is made to lock intermediate body part (2) raised position. Wedge-shaped body parts are arranged on of intermediate body part (2) two side surfaces in positions, corresponding to guide beam and wedge-shaped supports wedge-like surfaces. There is intermediate body part (2) guide wheel, corresponding to guide beam, and guide wheel seat with rod bore, mounted on intermediate body part wedge-like structural part upper part. Prior to installation of large-sized equipment at cage lower level link is made using chain unit to lift main intermediate disc body part from wedge-shaped supports and in rod holes rods are inserted after alignment of intermediate disk part guide wheels rod holes seats and limiting units rod holes on cage posts; after equipment movement from cage, rods are pulled out and main intermediate disc body part is lowered onto wedge-shaped supports.EFFECT: invention enable increasing ease of adjustment.2 cl, 5 dwg

Device for installation on satellite of orbital spacecraft // 2604765
FIELD: space.SUBSTANCE: invention relates to equipment of spacecrafts (artificial satellites) and means of its deployment in orbit. Device has two identical mutually balanced in terms of weight pairs of linear guide mechanisms, installed symmetrically in vertical parallel planes. Each pair, in its turn, comprises pair of flat mirror symmetric and balanced cantilever mechanisms with common support horizontal crossbar. Top ends of outer wings are jointed with deployed spacecraft (SC) in area of its center of gravity, while bottom ends are articulated with crossbar slides. Latter are provided with drives of their synchronous movement in mutually opposite directions. Device provides movement of center of mass of SC along local vertical direction, meeting equilibrium position of satellite in circular working orbit.EFFECT: technical result of invention consists in reduction of disturbing actions on satellite during SC deployment in orbit.8 cl, 7 dwg

Interface unit, conveying system and method for monitoring operating condition of input circuit in safety circuit of conveying system // 2604633
FIELD: electronics.SUBSTANCE: interface unit (1) for safety circuit of a conveying system comprises input circuit (2) for signal (3a, 3b) determining safety of conveying system. Input circuit (2) comprises a unit for duplicating path of signal (3a, 3b) transmitted to said input circuit (2). Interface unit (1) comprises means for checking operating state of said input circuit (2). Invention also discloses a conveying system and a method of monitoring operating condition of input circuit in safety circuit of conveying system.EFFECT: simplifying electronic safety circuits by improving diagnosis of electronic safety circuits.20 cl, 2 dwg

System of transport cabin vertical and horizontal movement in lifting unit for overcoming obstacles // 2603996
FIELD: transportation.SUBSTANCE: lifting and transportation system for transport cabin (20), which can move along elevated type U-shaped portal (10) connecting two points: departure (A) and arrival (B), comprises columns (11, 12, 13, 14) and guide beams (15, 16), to which said cabin (20) is connected using sliding device, suitable of horizontal movement performing relative to guide beams (15, 16). System also includes carrying devices (300) intended for implementation of vertical displacement relative to guide columns (11, 12, 13, 14). Said carrying devices (300) can be engaged with sliding device for implementing said vertical displacement relative to guide columns (11, 12, 13, 14) of said cabin (20), which displaces in vertical and horizontal directions by means of annular chain, to which sliding device is attached.EFFECT: invention enables improvement of serviceability.5 cl, 14 dwg

Crane // 2603879
FIELD: construction.SUBSTANCE: invention relates to cranes building. Crane (1) contains crane pillar (3) installed on base (2) with possibility of rotation around vertical axis and mounted on crane pillar (3) with possibility of rotation by first hinge (8) the first crane boom (4). At least one hose line (12) leads from first point (13) of attachment on crane pillar (3) or from base (2) to second point (14) of attachment in or on crane first boom (4). Due to rotation of crane boom (4) relative to crane pillar (3) distance between first and second connection points (13, 14) is increasing or decreasing. With distance decreasing sections of at least one hose line (12) are located inside crane first boom (4).EFFECT: enabling reduced hose line damaging.6 cl, 7 dwg

Recuperative generator system for electric loader // 2603811
FIELD: electrical engineering.SUBSTANCE: energy-recovery generation system for electric loader comprises hoisting cylinder (9). Output pipeline of hoisting cylinder (9) is provided with pressure sensor unit (1) and directional valve (2). Directional valve (2) is under control of pressure sensor unit (1). First outlet of directional valve (2) is connected to tank (5) through a way of multi-way valve (4) with an operating handle. Pressure oil, flowing out from a second outlet of directional valve (2), passes through pump (7) having an oil suction port capable of bearing pressure or a motor, and then passes through multi-way valve (4), to finally flow back to tank (5). In engine mode, pump (7) having an oil suction port capable of bearing pressure, drives electric motor (16) to output electric energy. Electric energy output end of electric motor (16) is connected to energy storage device (20) through converter (21).EFFECT: invention ensures energy saving.10 cl, 6 dwg

arine self-propelled self-elevating crane vessel // 2603423
FIELD: ship building.SUBSTANCE: invention relates to ship building and can be used to create self-elevating crane vessels, optimized for performing construction and erection works at offshore oil and gas production facilities. Marine self-propelled self-elevating crane vessel comprises hull and support-elevating device with three supports, with has shoes and portals with lifting mechanisms, as well as full revolving hoisting crane. Hull is made with ship hull lines. Surface part of hull in aft is made with onboard lugs-sponsons, which are interconnected by strong volumetric structure, superstructure. In onboard lugs-sponsons recesses are made to accommodate supports shoes. In hull aft part two supports are mounted at ship sides on said lugs-sponsons so, that in travel position shoes of said supports are arranged above waterline and recessed in said recesses in lugs-sponsons, and middle support is mounted in ship hull diametrical plane. Lifting crane is mounted with possibility to rotate its rotary part around central support.EFFECT: enabling expanded operational functionality of self-elevating crane vessels.1 cl, 6 dwg

ethod of vehicles movement organizing // 2603046
FIELD: transportation.SUBSTANCE: invention relates to transport, namely to carriers intended for movement of people. Method of traffic organizing is characterized by motor traffic along circular route, as well as use of horizontal conveyor belt and protective fencing. Belt is made of plates, which are arranged on guides, on which belt horizontal movement is performed. Using at least two closed horizontal conveyor belts located next to each other, wherein their motion vector is formed in one direction. Conveyor belts movement speed is set stepwise with increase of its value from outer belt to inner one with pitch of 3-5 km/h, and circular transport system inner perimeter is equipped with protective fencing. For actuation of conveyor belts magnetic cushion drive is used, which inf bearing structure base contains supporting row of magnets, along which centreing units are installed, and in plates lower part floating row of magnets is mounted. Support and hovering magnets poles are arranged relative to each other so, that in case of their approaching repulsive force is occurred to return conveyor belt into initial position.EFFECT: result is higher passengers transportation speed, enabling higher safety of transportation, as well as possibility of passengers stoping (exit form conveyor belts) at any section of movement, increased passenger traffic.10 cl, 6 dwg

Device for levelling aerodrome lifting mechanism // 2602884
FIELD: airfield equipment.SUBSTANCE: invention relates to mechanisation means used on aerodrome. Device for levelling aerodrome comprises support platform and support platform horizontal alignment sensor position remote support hydraulic cylinders, sensors of contact between rods of hydraulic cylinders with bearing surface, panel and a control unit lifting and lowering of external hydraulic cylinder rods. Support platform horizontal alignment sensor position consists of housing in form of a cylinder made of dielectric material, in which there are switching contacts, current-conducting liquid and damping unit in base of housing.EFFECT: automatic levelling in horizontal plane, reduced time and higher accuracy of alignment.1 cl, 3 dwg

Boom structure // 2602876
FIELD: machine building.SUBSTANCE: invention relates to boom structures on working machines. Boom structure (2) comprises at least two boom branches (2a, b) and the main boom structure (2c), extending from zone (4) of their convergence in working direction. Boom branches are located on the working machine near planes formed by side walls and form continuous structure so, that are fixed relative to each other.EFFECT: perfected boom structure for working machine.14 cl, 6 dwg

Self-braking screw jack with axial electric motor // 2601996
FIELD: instrument making.SUBSTANCE: invention relates to screw jacks and serves for cargo lifting and lowering with an automatic stop and latching after disconnection of supply voltage. Self-braking screw jack comprises electric motor, casing of which is connected to hollow cylindrical post reinforced by radial brackets, screw with non-rotating head, nut, bearings. Electric motor is axial asynchronous single-stator and single-rotor, its housing consists of upper and lower bearing shields, fixed to each other, with the inner end side of lower bearing shield the stator magnetic core is fixed, and the rotor consists of rotor magnetic conductor and base, rigidly connected to each other and forming a circular disk, base of which is coupled with a nut by means of spline joint to allow axial displacement between the ledge and the brake lining. Ledge is made on the lower part of the nut, and its diameter is increased value relative to the diameter of the spline joint, and the brake pad is fixed on the brake disc rigidly mounted on the inner end side of the upper bearing shield. Nut is connected with screw by screw joint and is located in the upper and the lower bearing shields with the help of the bearings, on the external part of the ledge the brake spring is mounted, located between the lower end side of the base of the rotor disc and the collar made on the lower part of the ledge.EFFECT: technical result is in increasing lifting power, possibility of the automatic stop and fixing the position of the screw when supply voltage is deactivated on the excitation winding and expansion of high-rise limits of jack is performed.1 cl, 1 dwg

Electromagnetic brake, brake and method for making brake // 2601488
FIELD: machine building.SUBSTANCE: group of inventions relates to machine building, particularly to winch brakes. Electromagnetic brake comprises a frame part, an armature part having a magnetic core, a spring element and an electromagnet. Electromagnetic brake comprises a flat elastic bending damping plate fitted with resistance to bending with creation of damping force. Brake comprises a frame part, an armature part, an air gap and flat elastic bending damping plate. Method of making brake is executed with frame and armature parts. On frame and armature parts, mating surfaces are arranged opposite each other. Method then includes making a flat, elastic bending damping plate and installing in air gap between mating surfaces located in brake.EFFECT: reduced noise level during operation of brakes.15 cl, 7 dwg

ethod and device for mounting rotor hub on wind turbine // 2601058
FIELD: energy.SUBSTANCE: invention relates to wind-driven power plants. Rotor hub (1) on a wind turbine, comprises a handling device for lifting rotor hub (1) by means of a crane for mounting rotor hub (1) on nacelle (104) arranged on wind turbine tower (102). Handling device is prepared in such a way that when being lifted on a fastening segment (14) of handling device rotor hub (1) turns from a vertical alignment with substantially vertical hub axis (28) to a horizontal alignment with substantially horizontal hub axis (28).EFFECT: preventing damage of hub.11 cl, 4 dwg

ethod and device for cargo lifting and moving // 2600974
FIELD: machine building.SUBSTANCE: invention relates to hoisting devices. Cargo lifting and moving is performed by load-lifting mechanism containing grabbers of cargo retainer at least in one attachment point. For this purpose in grabbers formed the capture maps of distances for the region where displayed part of the surface of the cargo, to which grabbers and/or on which there is another cargo is put are attached, and also the objects surrounding cargo are represented.EFFECT: improvement of control of the grip and movement of cargo is reached.27 cl, 10 dwg

Increased capacity crane // 2600963
FIELD: machine building.SUBSTANCE: increased capacity crane relates to handling devices and can be used by sea and by land. Crane comprises floating bodies on which crane stands are leant, in the form of hollow sealed pontoons, equipped with opposed symmetrically ballast compartments. Pontoons are arranged in fluid in additional tanks with transverse control and fixing devices located perpendicular to axis of the pontoon, and longitudinal control and fixing devices located in parallel to axis of the pontoon.EFFECT: increase in accuracy of the crane positioning with displacing heavy and oversized cargo during installation of new equipment is achieved or at replacement of equipment in rooms.5 cl, 17 dwg

ethod and device for mounting rotor of wind energy plant // 2600848
FIELD: energy.SUBSTANCE: invention relates to a lifting beam for lifting and handling a rotor blade of a wind energy plant. Lifting beam for lifting and handling a rotor blade of a wind energy plant, comprising a fastening means for fastening lifting beam to a crane, at least one fastening means for fastening lifting beam to rotor blade, as well longitudinal pivoting means for pivoting rotor blade which is supported by lifting beam about a longitudinal axis of rotor blade, and transverse pivoting means for pivoting rotor blade which is supported by lifting beam about a transverse axis, extending perpendicular to longitudinal axis, wherein longitudinal pivoting means has an actuator for actively pivoting rotor blade, and transverse pivoting means is adapted for passive pivoting and has a brake means and/or a securing means for securing lifting beam in at least two mutually different pivotal positions.EFFECT: invention is aimed at simplifying assembly and dismantling of rotor blade.19 cl, 5 dwg

Guide for elevators or lifts and method for manufacturing said guide // 2600554
FIELD: construction.SUBSTANCE: guide for lifts comprises a base portion, two boundary edges placed at opposite side ends of base portion and a central protrusion emerging from base portion. Guide further comprises at least one mass-redistribution portion formed in base portion and adapted to lighten base portion at an intermediate part thereof included between central protrusion and at least one boundary edge, and also adapted to make base portion heavy at a localised end part thereof in vicinity of at least one boundary edge. Dimensions in cross-section of guide are selected in following ranges: total height varying from 60 to 80 mm; and/or width of base portion in range of 60 to 95 mm; and/or remote bulge width varying from 7 to 18 mm; and/or height of remote thickening in range of 30 to 45 mm; and/or height of at least one boundary rib varies from 6 to 12 mm; and/or height of centre of gravity of cross-section relative to base portion in range of 18 to 30 mm; and/or cross-section area within range of 8 to 20 cm2. Method of manufacturing includes operations for making guide taking into account said features. Intermediate element provides attachment of guide to wall.EFFECT: higher strength and reduced material consumption of guide.12 cl, 4 dwg

Emergency brake with return into initial position // 2600424
FIELD: machine building.SUBSTANCE: elevator comprises lift cabin with possibility of its displacement along guide rails. Lift cabin is equipped with braking system, preferably with two emergency brakes. Protective device is controlled by control units, which can actuate protective device in critical or non-critical events. Besides, control units contain function of emergency brake automatic return (A) into initial position, if emergency brake actuation reason is estimated as non-critical event. Emergency brake return into initial position is performed by means of method, containing specified steps (R) of return into initial position.EFFECT: higher safety of lifting device at any time.19 cl, 10 dwg

Elevator braking system and method of elevator braking // 2600423
FIELD: machine building.SUBSTANCE: invention relates to elevator, escalator or travelator brake system (100), as well as to elevator cabin braking method. Brake system (100) comprises braking device (101) with at least, brake pad (111). Brake pad (111) has working surface (116), which during brake application is pressed to mating part (120) friction surface (121) moving or movable relative to working surface (116). Further brake system (100) has feeding device (103), which is powered by fluid medium source (102). By means of feeding device (103) fluid medium (154) can be supplied between brake pad (110) working surface (116) and facing it friction surface (121). Effect on friction between working surface (116) and friction surface (121) can be made by means of fluid medium (154) supply.EFFECT: invention provides control over friction between pad working surface and facing it surface.15 cl, 5 dwg

Self-propelled jib crane // 2599741
FIELD: machine building.SUBSTANCE: invention relates to jib automotive cranes on special crane chassis. Crane comprises running gear support in form of automotive chassis with support-and-running frame, which is longitudinal beam of box section and connected to front and rear cross beams with appropriate front turning and rear bracing jacks, rotary part in form of rotary platform installed on longitudinal beam, telescopic boom with cable, winch is sectional, front rotary supports are fitted in lugs of front transverse beam to turn using appropriate hydraulic cylinders. Beam is connected with automobile type chassis by means of detachable connection. Front rotary supports are fitted in lugs of front transverse beam to be locked in working position at an angle in range of 50-80° to longitudinal axis of lengthwise box-section beams towards front part of automobile type chassis. Front rotary supports are fitted in lugs of front transverse beam to be locked in transport position at an angle in range of minus 1-2° to longitudinal axis of lengthwise box-section beams towards front part of automobile type chassis. On support-and-running gear part in transport position replaceable working equipment in form of gooseneck is installed, and single unit to switch to working position, and rotating platform is equipped with additional cable winch with possibility of removal or rope re-reeving with telescopic boom section on replaceable working equipment.EFFECT: increased carrying capacity, reduced dimensions of crane in transport position, ease of control and servicing.7 cl, 4 dwg

ethod of replacing lifting crane cable // 2598704
FIELD: machine building.SUBSTANCE: invention relates to methods of replacing lifting crane cable and can be used when exploitation of various types of cranes. Crane block suspension is lowered on prepared repair support to allow free rotation of movable tackle blocks. Winch drum fasteners holding one part of the cable are removed to throw said part down. Lifting mechanism is used to wind worn-out cable on winch drum so that dropped loose end does not enter the block suspension. Cable ends are interconnected to proceed with winding connected cables, providing rotation of the coil, in which there is a new cable, around its axis, passing new cable through the preset path. Lifted part of line of the new cable is secured by safety halyard, connection of cables is broken to remove worn-out cable clamps from the drum to throw it down. Part of the new cable, left in the coil is unwinded and the cable is simultaneously directed aside by placing on the working site. Process halyard attached to a truck is lowered down from said truck, connected to the second end of the new cable and lifted to cargo truck. Both ends of the new cable are fixed on the winch drum, safety and process halyards are removed and lifting mechanism is used to wind the new cable on winch drum.EFFECT: reduced labor input is achieved.4 cl, 2 dwg

Elevator emergency protection circuit // 2598485
FIELD: electricity; safety systems.SUBSTANCE: elevator safety circuit can be used in a method to decelerate an elevator car during an emergency stop in a controlled manner. Safety circuit comprises a series chain of safety contacts (S1-Sn) having input (T1) connected to power source (PS) and first safety relay (7) deriving electrical power from output (T2) of series chain of safety contacts (S1-Sn). Delay circuit (13) is arranged between output (T2) of series chain of safety contacts (S1-Sn) and first safety relay (7). Therefore, if one of protective contacts opens for activation of emergency shutdown, any process, controlled action of first protective relay is delayed. Said circuit is used in a method for controlling elevator movement.EFFECT: invention provides an improved process of controlling deceleration of an elevator car.16 cl, 6 dwg

Lift safety unit // 2598113
FIELD: machine building; safety system.SUBSTANCE: invention relates to safety unit with its afferent actuating system for winch. Safety unit includes gear wheel (5) rigidly fixed on the shaft of lifting gate, and engaging with it worm gear (6). Safety unit also includes spline shaft (15) rigidly connected with one end of worm (6), shaped sleeve (21) with inner and outer flanges and slots fitted on splined shaft (15), spring element (22) between shaped bushing (21) and retainer (23), drive wheel (20) with slotted hub engaging with shaped bushing (21), auxiliary motor (35).EFFECT: simplified control winch.5 cl, 8 dwg

Wheeled tractor self-extraction device // 2597332
FIELD: mechanisms.SUBSTANCE: device comprises a traction-spring mechanism including a towing rope installed in a towing device of the tractor front part and blocked in the end of a coiled spring, a towing rope installed and blocked between the ends of the coiled springs, as well as a towing rope installed between the ends of the coiled spring and an anchor hook containing shaped hooks and a check holder for its installation into process holes of the driving wheel disc.EFFECT: technical result is higher reliability of the device at simplicity of its production.1 cl, 3 dwg
ethod of controlling elevator and elevator control system implementing said method // 2597054
FIELD: data processing.SUBSTANCE: in control over an elevator it is automatically sent to the main floor of debarkation in receiving information on a passenger entering the elevator on a floor different from the main floor of debarkation. Main floor of debarkation may be the first floor or any other floor. Also proposed is an elevator control system.EFFECT: provided is more friendly use of an elevator.3 cl

ethod and apparatus for controlling lifting machine, storage medium and lifting machine system // 2597052
FIELD: machine building.SUBSTANCE: invention relates to hoisting devices. During release of stand (1) control of hoisting machine is performed in compliance with the condition of removal of fixtures (12) located above or below stops (10) for locking for automatic completion of coordinating movement upwards or downwards and common movement in the place of its application.EFFECT: improved efficiency of operation of hoisting machine and control of safety for lock stand for prevention of errors during operation, made by a person, as well as reduced wear of brakes.11 cl, 7 dwg

ethod and device for monitoring stability of loading crane installed on vehicle // 2597043
FIELD: transportation.SUBSTANCE: loading crane is installed on a vehicle. Vehicle during the crane operation rests on the ground with wheels (3a, 3b) and support elements (4) separate from wheels (3a, 3b). Both wheels (3a, 3b) and support elements (4) scores in the stability parameter are recorded and this value is compared with a preset limit value. Also proposed are a device for controlling the stability parameter and a vehicle.EFFECT: provided is the loading crane stability control.27 cl, 6 dwg

Warm up cycle for handling vehicle // 2596678
FIELD: transport.SUBSTANCE: method for operating handling vehicle includes activating handling vehicle and performing warm up cycle. During warm up cycle, energy is provided to at least one valve in handling vehicle so as to energize valve without providing working fluid to valve. Providing energy to at least one valve effects heating of oil located within at least one valve.EFFECT: technical result - increase of vehicle hydraulic system durability.37 cl, 8 dwg

Elevator cabin catcher // 2596635
FIELD: machine building.SUBSTANCE: invention relates to elevator engineering, namely to devices for safety of elevators. Catcher contains a base, on which there is a block bearing a spring installed with its ends in a brake shoe interacting with a guide, as well as a wedge and a roller, herewith, according to the patented solution, the brake shoe is made with stroke limiters, rests on the ends of the spring and is pressed through the spring by means of a bracket to the block. In the base there is a support in the form of an axle bearing the roller, on which the wedge rests made with a recess and two inclined planes converging to the recess to make two wedge surfaces. Wedge has stroke limiters and a pressure spring secured at the ends of the wedge and fixing the initial position of the wedge by pressing the wedge recesses to the roller and the wedge surfaces to racks secured to the base above and below the roller. Herewith the wedge can move upwards or downwards between the base and a jaw interacting with the roller, and the brake shoe is made with the possibility of its movement from one extreme position to the other one between the base and the jaw interacting via the spring with the block. Wedge and brake shoe can interact with the guide when being seated on catchers and simultaneously move in the same direction up or down till stop against the base by the stroke limiters of the brake shoe and of the wedge.EFFECT: technical result the patented solution is improved safety and reliability of braking due to double-acting of the elevator cabin catcher, providing stable braking conditions, kinematic certainty of interaction of the catcher parts when being seated on catchers, simplified design.1 cl, 4 dwg

Hoisting crane, in particular, overhead or gantry crane containing crane beam, and method of crane beam installation on hoisting crane // 2596204
FIELD: construction.SUBSTANCE: invention relates to cranes with longitudinal beams. Crane comprises at least one horizontal crane beam of framed structure with the upper and the lower guides, on which the crane trolley with a hoisting mechanism is installed able to move. Hoisting crane on one or both ends of the crane beam is equipped with a movable assembly-adapter containing a connection surface for attachment to the travel mechanism. Adapter is moved both along the length of the beam, and, if required, up and down, right, left or turned at a certain angle around the longitudinal axis of the beam. Then adapter in the final position is welded to the crane beam, after which the adapters connection surfaces are connected with the crane travel mechanisms.EFFECT: compensation of certain tolerances in length and other dimensions of the beam during its manufacture is achieved, as well as simplification of the crane beam design.14 cl, 7 dwg

System and method of reducing noise from belt // 2596043
FIELD: machine building.SUBSTANCE: present invention relates to lifting system and a method of reducing undesirable noise when belt comes into contact with pulley. Elevator system comprises elevator car, counterweight, at least one belt connecting car and counterweight, and at least one pulley having at least one surface for engagement with said at least one belt. Belt is flat. At least part of said at least one surface has a plurality of features for interaction with a flat belt to reduce undesirable noise when belt is in contact with pulley. Said features comprise cavities with depth greater than approximately 30 mcm, or protrusions with height of 20-100 mcm, to provide local surface slip between said at least one flat belt and said at least one surface for dissipation of energy of deformation caused by shift between said at least one flat belt and said at least one surface. Method employs a pulley with said plurality of said features.EFFECT: invention provides improved conditions for reducing undesirable noise in elevator system.25 cl, 7 dwg

Electric drive for movement with swinging restriction of cargo // 2596008
FIELD: construction.SUBSTANCE: invention relates to structural elements of cranes. Electric drive for movement with restriction of swinging of load comprises an acceleration sensor along three axes located on suspension mechanism, and a coordinate computer. Output of operator panel is connected to first input of control system. Output of acceleration sensor along three axes is connected to input of coordinate computer, and output of coordinate computer is connected to second input of control system. Output of torque sensor is connected to third input of control system. Output of control system is connected to input of voltage converter, which is connected to windings of asynchronous motor. Shaft of asynchronous motor is connected to suspension mechanism and torque sensor. Acceleration sensor on three axes is mounted on suspension mechanism.EFFECT: technical result consists in limiting load swinging during movement.1 cl, 2 dwg

ethod and device for controlling conditions of stress equalisation and adjustment of displacement of steel wire ropes of multi-rope lift // 2595723
FIELD: machine building.SUBSTANCE: invention discloses a method and device for control over strain conditions equalisation and displacement adjustment of steel wire ropes in multi-cable hoist. Device includes displacement sensor installed at device for equalisation of steel wire cables, signal receiver-transmitter configured to store and transmit signals of displacement sensor, barometric altimeter configured to record depth of shaft with hoisting container, and wireless receiving and processing system arranged in shaft mouth. Method involves: recording displacement adjustment values of strain equalisation devices, connected to all lifting cables of hoisting container, and corresponding values of depth position of hoisting container during up-and-down travel operation of hoisting container by means of signal receiver-transmitter; rating of maximum displacement adjustment value measured along whole lifting operation, and corresponding depth of tension adjustment device, by receiving and processing data via wireless receiving and processing system; and issue of warning signal when maximum displacement being adjusted exceeds preset threshold adjustment.EFFECT: invention provides simplified design of method and simplified implementation of method, increasing useability, measurement accuracy, and reliability.2 cl, 4 dwg

Adjustable bracket elevator guide // 2595339
FIELD: machine building.SUBSTANCE: adjustable guide rail bracket for an elevator, which includes a fixed bracket and an adjustable bracket with a guide rail pressing boards. Fixed bracket comprises left and right angle shaped brackets (1-1), adjustable bracket consists of main section (2-3) and two support sections (2-1) and (2-2) fixed at an angle at different ends thereof, coupled with main section to form a trilateral truncated trapezoidal structure. Left and right angle shaped brackets, main section and first and second support sections of adjustment bracket have each a horizontal and a vertical support surface. Vertical support surfaces of left and right angle shaped brackets have fastening connecting piece punch holes and vertical support surface of main control section of adjustable bracket has left and right guide rail pressing board mounting holes. Horizontal support surfaces of left and right angle shaped brackets and horizontal support surfaces of first and second support sections are interconnected by welding or by bolts.EFFECT: easy mounting.5 cl, 3 dwg

ethod and device for engine speed control and jib-type engineering machine // 2595318
FIELD: engines.SUBSTANCE: method of engine speed control is designed to control output engine speed of a boom-type engineering machine during a boom action includes: detecting a load pressure of a hydraulic system and a moving speed of a boom; determining a target speed of the engine according to the load pressure and the moving speed of the boom, by a central control unit; sending, by the central control unit, the target speed of the engine to an engine control unit, and performing, by the engine control unit, a speed closed-loop adjustment according to a current speed value fed back by the engine, so that a current speed of the engine is consistent with the target speed of the engine.EFFECT: additional aspects of the invention are a device for engine speed control and boom-type engineering machine containing device for engine speed control.10 cl, 3 dwg

Elevator emergency buffer // 2595235
FIELD: machine building.SUBSTANCE: emergency elevator buffer is used to connection the end section of a steel brake wire rope of the elevator and comprises a top support plate and bottom support plate, wherein the pulley block is connected to the top support plate and lower support plate, and hydraulic shock absorbing buffers are arranged on both sides of the pulley block. Emergency buffer uses the principle of consuming power from hydraulic damping holes, the steel brake wire rope is protected against the impact of the elevator, at the same time the spring impact on the elevator after braking is prevented, and the safety and reliability parameters of elevator braking may be improved, so the safety parameters of a special purpose elevator are essentially improved. In addition, when using the pullet block that is used in the elevator emergency buffer the brake length of the steel brake wire rope can be increased.EFFECT: invention increases the service life of steel wire rope.1 cl, 7 dwg

Jointing platform of shaft hoist flexible guide for, and method of splicing for shaft hoist // 2595232
FIELD: machine building.SUBSTANCE: jointing platform comprises unit (1) of the support grip and power unit (2), the unit (1) of the support grip comprises a mounting plate, a bearing case threaded rod, a threaded rod (1-4), a nut (1-2), support bar (1-5), push rod (1-3), support clamp (1-6), step (1-7), a guide (1-9) and holder (1-12) of the guide. Power unit (2) contains explosion-proof engine (2-1) and bevel gear. Assembly (1) of the support grip and power unit (2) are installed on transverse beam for elevator cabin. Method of splicing using assemblies of jointing platform carries out communication between jointing platform and several horizontal planes.EFFECT: inventions provide automatic fixation, providing reliable connection of connecting platforms in several horizontal planes, reliable splicing elevator cabin and door lifting shaft; note here that jointing platform of shaft hoist plays a role in ensuring safety and convenience of transportation of cargoes and people in elevator and from it.2 cl, 4 dwg

ethod and device to prevent deviation of guiding cable // 2595227
FIELD: construction; mining.SUBSTANCE: mechanical device and method to prevent deviation of guiding cable are used in super-deep vertical mines construction. Mechanical device to prevent deviation of guiding cable has a T-shaped mounting support, rotary frame, hydraulic support means and means of capturing. T-shaped mounting support has vertical support bar and horizontal support bar. Hydraulic support element comprises upper hydraulic support bar and lower hydraulic support bar. Rotating frame comprises upper Y-shaped frame and lower Y-shaped frame. Means of capturing comprises upper and lower grips. In method of preventing deviation of guiding cable two mechanical devices for preventing of deviation of guiding cable are used in form of one group, with placement of at least two groups on wall of shaft in vertical direction. Ensuring smooth movement of guide frame part of cable degrees of freedom is limited by capturing means.EFFECT: higher stability of lifting vessels.4 cl, 6 dwg

Front-end tool for lifting and transportation of cylindrical loads // 2595204
FIELD: construction.SUBSTANCE: invention relates to handling equipment, in particular to grippers for lifting and transportation of cylindrical loads, mainly gas cylinders. Front-end tool comprises levers with tail parts, a shackle, a mechanism for closing and opening the levers, all having a common axis of rotation. Closing and opening mechanism is made as a tightening screw having sections on opposite ends with right and left thread respectively, which are in contact with mating nuts mounted through a hinged connection on tail parts of the levers. Screw is equipped with a movable handle, and the shackle is attached through trunnions directly to the levers. At one end of the screw there is a shaped shank with the ability of its connection to a detachable coupling handle. On the levers axis of rotation there are rigidly adjustable depth limiters on a cylindrical load made as two eccentric washers, and the axis has a turn stopper.EFFECT: simplified design and expansion of functional capabilities are achieved.5 cl, 7 dwg
 
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