Method of spatial orientation-installation of bearing cargo platform

FIELD: transport.

SUBSTANCE: invention relates to elevators, particularly, to their control systems. Proposed method comprises primary and final installation. In repeated installation after setting the jack moving part displacement speed, jack operation time is calculated as relationship between required amount of motion of jack moving part to jack preset speed. Jack moving part displacement speed is calculated as relationship between calculated required time and jack operation time. Time count is started to activate all jacks except for reference jack on setting jack moving part calculated speed. After count time from its start elapsed, all jacks are stopped.

EFFECT: reliable horizontal installation of platform.

3 cl, 2 dwg

 

The invention relates to systems of spatial orientation installation at specified values of pitch angle and roll angle of the cargo platform on the technological equipment for different purposes. The invention can find application for orientation-installation of the platform, bear, for example, drilling mining equipment, in particular for leveling of such platforms. The scope of the invention can also be objects of military equipment, including mobile platforms that carry a radar antennas or rocket launcher.

Known technical solution according to the patent to a group of inventions RU # 2196893 from 2003.01.20, (claim 1 of the formula). The technical result of this analog is ensuring the required accuracy and speed leveling bearing platform with the drilling Assembly and installation of the drilling rig in the most stable position after leveling. This self-propelled drilling rig with a load-carrying platform and placed on it by the drilling unit in the transport position, the display on the previously marked site on the ground and begin preparing for implementation of the basic technological operations, which determine the position of the drilling unit relative to the work is her site to install it in a working position, nominate at least three hydraulic Jack until it touches the ground, the carrier platform with on her drilling unit is installed in a horizontal position in two dimensions along the axes X and Y, and/or have a drilling unit, vertically or at an angle to the y axis Include hydraulic jacks and carry out the preliminary nomination of all hydraulic jacks before contact with the ground. Exercise pressure on all hydraulic jacks, equal or close to the weight of the drilling rig, consistently include hydraulic jacks and implement short-term extension of hydraulic jacks in order to secure the hanging of the drilling rig hydraulic jacks, form a team for the automatic leveling of the drilling rig, first along the X-axis and then the y-axis. Analyze the position of the carrier platform with on her drilling unit along the axes X and Y, and the rst analyze the position on the X-axis and then Y-axis, using the results of the analysis, correct the position of the drilling rig during the installation process it in a horizontal position along the axes X and Y by automatic control of the extension of hydraulic jacks. Form a team at the end of the level, if the correction process on stigmata at the same time leveling in the X-and Y-bearing platform and the drilling rig. If in the process of correction is not achieved the level in the X-and Y-bearing platform and the drilling unit, then form a team to repeat the cycle of leveling, since the beginning of the analysis of the position of the carrier platform with a drilling Assembly along the axis X.

The main disadvantage of this method is the counterpart is the inevitability of repeated cycle of leveling, which is associated with cross-connections, i.e. the influence of each of the involved jacks on each of the controlled parameters leveling (X and Y). This effect will occur even if the three supporting jacks is the minimum number of them. Use the same mnogotomnoi reference system (more than four jacks) in this way in General to be extremely difficult for the reason stated above.

The closest analogue (prototype) of the proposed method, the matching in a significant number of essential features, is the technical solution according to the patent to a group of inventions RU # 2367762 20.09.2009, (claim 1 of the formula). Prototype method consists of the following operations: platform pre-installed on the working platform, then lead simultaneously to the action with the same speed jacks in the amount of not less than four, attached to the platform in its peripheral zones. In the process steps is Akramov continuously focus on developing each of them the effort, defining moment, it stops with a certain equal force of the movable part of each of the jacks in the ground work site. At this point the action of the corresponding Jack to stop it. After you stop and focus all of the jacks in the ground with a preset force jacks again simultaneously operate at the same speed, and also exercise control efforts focus on each Jack. Depending on the jacks, calculate the total effort of all jacks. Upon reaching a total effort of all jacks-specified value, component of a certain proportion of the weight of the platform, stop all jacks, which completes the initial installation. Next, define achieved in primary installation orientation parameters-setup, namely the roll angle and the pitch angle of the platform. The signs of the difference between the required values of the angles of pitch and roll and achieved in the initial installation angles of pitch and roll determines the Jack - Jack, you want zero movement of the movable part to the desired position of the object's orientation, and speed Jack-Jack, you want maximum movement of the movable part to the desired position of orientation of the object; calculate the displacement of the movable part of each Jack, need for achievement is the set of values of the roll angle and the pitch angle of the platform, provided the stillness of the movable part of the support Jack, the required move which is set to zero; set the value of the moving speed of the movable part of the high-speed Jack; calculates the moving speed of the movable part of each Jack on the formula works of magnitude specified moving speed of the movable part of the high-speed Jack on the ratio calculated for this Jack is required to move the required movement speed Jack; actuate the rams, in addition to support, asking the movement of the movable portion of each Jack is calculated for her speed, while achieving the movable part of each Jack computed value move, its motion (action Jack) stop. Next, determine the achieved difference set and achieved values of pitch angle and roll angle and comparing the difference with a tolerance for each of these angles. If satisfactory results comparing the position of the jacks is fixed; when unsatisfactory results are repeated cycle of action following the initial installation.

The prototype method is carried out in two stages, including primary and final Assembly, whereby during initial installation of the control electric jacks on Westside as a function of load, and during the final installation in the function path (in terms of discipline "automatic electric"). Wide enough functional generalization of the prototype method does not cover the drive control jacks as a function of time. The consequence of this circumstance is a significant cost devices that implement the method-prototype and their lack of reliability, because the prototype method involves the use of expensive sensors monitor the position of moving parts of jacks, which, given the large displacement of these parts (up to a meter or more), significantly reduce the reliability of the entire device. An acceptable solution is achieved by using expensive (again) Executive synchronous electric motor with rotor position sensors.

The aim of the invention "Method of spatial orientation-install the cargo carrier platform is to reduce the cost and increase the reliability of systems of spatial orientation installation at the corner of the pitch and angle of roll cargo platforms due to the fact that the final spatial orientation - install the cargo carrier platform is a function of time, which is the direct primary effect of patentable method. The specified technical result which allows to use the device, realizing the way, very reliable and inexpensive induction motors. In addition, from a design excluded costly sensors monitor the position of moving parts of jacks (jacks), which significantly reduce the reliability of the whole device.

Patent-pending method of spatial orientation-install the cargo carrier platform includes primary and final installation, as well as prototype method. During initial installation of the platform pre-installed on the working platform, then lead simultaneously to the action with the same speed jacks attached to the platform in its peripheral zones, in the amount of not less than four. In the process steps of jacks, continuously measure develop each of them the effort, defining the moment it stops with a certain equal force of the movable part of each of the jacks in the ground work site. At this point the action of the corresponding Jack to stop it. After you stop and focus all of the jacks in the ground with a preset force, jacks again lead simultaneously to the action with the same speed, and also continuously measure the force stop each Jack. Depending on the jacks, continuously calculates the total effort of all jacks. Upon reaching a total effort of all the house of the drugs specified value, component of a certain proportion of the weight of the platform, stop all jacks, which completes the initial installation. Then perform the final installation, which measure achieved in the initial installation of the roll angle and the pitch angle of the platform. The signs of the difference respectively between the specified values of the angles of pitch and roll and achieved in the initial installation angles of pitch and roll determines the Jack - Jack, you want zero movement of the movable portion to the predetermined position of orientation of the platform, and high-speed Jack-Jack, you want maximum movement of the movable portion to the predetermined position of orientation of the platform. Next, calculate the displacement of the movable portion of each Jack is required to achieve specified values of the roll angle and the pitch angle of the platform, provided the stillness of the movable part of the support Jack, the required move which is set to zero. Next, you set the speed of movement of the movable part of the high-speed Jack. Next, calculate the duration of jacks as the ratio of the required movement of the movable part of the speed of the Jack to its preset speed. Next calculate the moving speed of the movable part of each Jack as the ratio calculated for the frame of the Jack needs to move to the time of action of the jacks. Next, start the countdown and simultaneously actuate all of the jacks, in addition to support, asking the movement of the movable portion of each Jack is calculated for her speed. Next, after the time of action of the jacks from the beginning of its reference, the rams stop. Next, calculate the achieved difference set and achieved values of pitch angle and roll angle and compare the modules of these differences with tolerance for each of these angles. If satisfactory results comparing the position of the jacks is fixed; when unsatisfactory results are repeated final installation.

Marked the invention is associated with the declared technical result, as follows:

1. During final installation, the movement of moving parts of the jacks is not measured or controlled, unlike the prototype method, but is measured and monitored their actions, which is pre-calculated and set size, which is a sign of a drive control jacks "time functions".

Figure 1 shows a geometric diagram of the method of spatial orientation-platform installation cargo carrier platform using four jacks, as applied to the particular case of the Ayu, when the specified pitch angle αC=0 and the roll angle βC=0, i.e. is the most typical action - leveling platform.

The method of orientation-install the cargo carrier platform is implemented as follows (see Figure 1): platform (1) pre-installed on the working platform, then lead simultaneously to the action with the same speed jacks(2), (3), (4), (5), attached to the platform in its peripheral zones. In the process steps of jacks, continuously measure develop each of them the effort, defining the moment it stops with a certain equal force of the movable part of each of the jacks in the ground work site. At this point the action of the corresponding Jack to stop it. The value of the specified effort is about 10% of the calculated share of the platform weight, per Jack system, assuming a uniform distribution of the load on the jacks. Next, after the stop of all of the jacks in the ground with the same preset force and they stop the jacks again simultaneously operate at the same speed, and carries out continuous measurement efforts focus on each Jack. Simultaneously with the action of the jacks, continuously calculates the total effort of all jacks and upon reaching this effort given value component of the definition of the share (about 50%) of the weight of the platform, stop all jacks, which completes the initial installation. Initial installation provides a robust emphasis of jacks in the soil of a working platform, the compensation of the natural irregularities of the ground and give her soil (soil subsidence under load of the Jack). Next is the final installation, which consists of the following operations. Measure achieved in the initial installation of the roll angle and the pitch angle of the platform. Next, calculate the misalignment ∆α=(αCαTbetween a given αCand achieved αTvalues of pitch angles, calculate the misalignment ∆β=(βCTbetween a given βCand the achieved βTthe angles of tilt of the platform. The signs of ∆αand ∆βdetermine the Jack - Jack, you want zero movement of the movable portion to the predetermined position of orientation of the platform, and high-speed Jack-Jack, you want maximum movement of the movable portion to the predetermined position of orientation of the platform. All four possible combinations of signs ∆αand ∆β. In the situation corresponding design model depicted in figure 1, δαand ∆βnegative, that definitely enables you to define a single Jack (3), which would, by further action of the simultaneity the temporal increase in ∆ αand ∆β. From this scheme is uniquely determined by high-speed Jack (5), which would, if further action simultaneous decrease ∆αand ∆β. In other situations, for example, when ∆αand ∆βpositive support Jack is the Jack (5), and speed - the Jack (3). If ∆αpositive and ∆βnegative, then the reference will be the Jack (4) and a high speed Jack (2), respectively, if ∆αnegative, and ∆βpositive, then the reference will be the Jack (2), and high-speed Jack (4). Next, solving the geometric problem (see Figure 1), calculate the displacement of the movable part of each Jack Hii.e. H2N4N5required to achieve specified values of the pitch angle αCand the roll angle βCplatform, provided the stillness of the movable part of the support Jack (3), the required move which is set to zero N3=0. Next, specify, consistent with the platform parameters (mass, dimensions and the like), a certain value of the velocity V5, moving the movable part of the high-speed Jack (5). Next, calculate the duration of jacks T, required to move the movable part of the high-speed Jack (5) by the value of N5according to the formula. Next, calculate the velocity Vimove odbijenou of each Jack as the ratio is calculated for the Jack required displacement H, for the duration of the jacks T, i.e. by the formula. Next, start the countdown and simultaneously actuate all of the jacks, in addition to the support (3), by setting the movement of the movable portion of each Jack is calculated for the velocity Vi. Then, after a time T from the start of the countdown, all jacks simultaneously stop. While the movable part of each Jack is achieved calculated for it is the movement of Hisince the moving speed of the moving parts Vijacks is set in proportion to their required displacement Hi. Next, calculate the control error ∆αand ∆β. Then compare modulesandin accordance with the values of the tolerances εαand εβorientation-set the pitch angle α and the roll angle β. The comparison is performed by the subtractionand. The result of the subtraction with the sign "+" indicates a satisfactory orientation - platform installation on this corner, the sign (-) is unsatisfactory. Further, if satisfactory results of the comparison, both the pitch angle and the roll angle, the position of the jacks is fixed, and when unsatisfactory results, at least one of the corners of the PR is orientation-installation (can occur when the increased pliability of the soil support platform), then repeat the cycle final installation (all operations following the initial setting), until satisfactory results.

The implementation of the method using jacks in excess of 4 pieces is identical to the algorithm. However, it should be noted that in this case, you may find the ambiguity in the definition of the reference and speed jacks. The implementation of the method is in this case the choice of any one of Jack as a reference and any one of the Jack as the speed of the number satisfying the above criteria, namely: the Jack provides, in further action (the extension of the movable part of) a simultaneous increase of the error of the pitch angle αTand the roll angle βTregarding their given values of βCand αCand a high speed Jack provides further action (the extension of the movable part) simultaneous reduction of the error of the pitch angle αCand the roll angle βTregarding their given values of βCand αC. At this speed and moving some jacks from among all the others can adopt, in accordance with the calculated dependencies negative values that do not change the essence of what the procedure, although the specific geometric pattern of platforms located here jacks allows to unambiguously assign the four possible combinations of signs ∆αand ∆βfour combinations of reference and speed jacks from among the extreme (corner)that will ensure the movement of all of the jacks without reverse. During final installation, the movement of moving parts of jacks, unlike the prototype method, not measured, and measured the time of their actions, which is calculated and set size, which is the sign of the control jacks "as a function of time, i.e. achieving its way to the technical result.

It is known already mentioned above, the technical solution according to the patent to a group of inventions RU # 2196893 from 20.01.2003, (p.3 formula). This device is similar hardware implements a patented method (claim 1 of the formula). The lack of similar is the use of hydraulic jacks direct action of the actuator outriggers that does not provide a long and reliable locking. Especially unreliable hydraulic jacks under conditions of large temperature fluctuations, such as seasonal, in which the probability of failure of not only the jacks, but other elements of the hydraulic system. In addition, the cost of the hydraulic devices is quite high in CPA is to the Electromechanical devices of similar functionality.

A prototype of the invention is device for orientation-install the cargo carrier platform on a patent for a group of inventions RU # 2367762 20.09.2009, (4 formulas). The prototype includes a platform placed on the sensor pitch angle and roll angle, the system of jacks in the amount of not less than four, attached to the platform in its peripheral zones, the management system associated management jacking outputs jacks, and information inputs from sensors of pitch angle and roll angle, power, loaded at power input of the control system. The device is a prototype equipped with Electromechanical controlled by the speed of movement of their movable part of jacks, each of which is equipped with a position sensor of the movable part, a force sensor and electro-mechanical locking device-lock, and the outputs of the sensors are connected to information inputs of the control system and electro-mechanical locking device-clamps are connected with a locking control outputs of the control system. The structure and features of the device prototype allows to implement any algorithm in the function path and the load (force) of each of the jacks, but not as a function of time. However, control of electrical drives jacks as a function of time constructively, realize is the most simply and at low cost, since and allows to exclude from the device, the position sensors on the moving parts of the Jack and, therefore, can be used in the design of the actuator Jack of all types of electric motors, while in the prototype are preferably used expensive synchronous brushless motors with position sensor rotor with excitation from permanent magnets. The use of a separate motor position sensors moving parts jacks and other types of motors further complicates the design and increases its cost, given that the movement of moving parts of the jacks can reach a meter or more. These features are the drawbacks of the prototype.

The aim of the invention "Electromechanical device for spatial orientation-install the cargo carrier platform" is used in the patented method of spatial orientation-install the cargo carrier platform. When using the invention are achieved the following useful technical result:

1. Decreases the cost of the device, due to the fact that from a design excluded costly sensors monitor the position of moving parts of jacks (jacks) and applied to induction motors, relatively inexpensive compared to electronic what radicalisme prototype.

2. Increases the reliability of the device, due to the fact that from a design excluded sensors monitor the position of moving parts of jacks (jacks) and applied to induction motors, relatively more reliable than motor prototype.

The invention for achieving the specified technical result is that the Electromechanical device for spatial orientation-installation of loading platform comprising a platform placed on the sensor pitch angle and roll angle, the system Electromechanical jacks with transferring motion to the working body by means of screw-nut not less than four, attached to the platform in its peripheral zones, the management system associated management jacking outputs jacks, and information inputs from sensors of pitch angle and roll angle, power, loaded at power input of the control system, and the jacks are made manageable by the speed of movement of the movable part, each of the jacks is equipped with a force sensor and electro-mechanical locking device-lock, and the outputs of the sensors are connected to information inputs of the control system and electro-mechanical locking device-tabs associated the with locking control outputs of the control system. Unlike the prototype of the proposed Electromechanical device spatial orientation-installation of loading platform is further provided with a controlled timer that their information output associated with the appropriate information system management, and its managing input associated with the appropriate Manager (timer) output management system.

Marked the invention is associated with the stated technical results in the obvious way: from the device eliminated costly sensors movements of movable parts of the jacks in any of their execution. Improves reliability by reducing the number of very critical of the reliability of structural elements, what are these sensors. A significant reduction in cost of the device and increase its reliability is achieved when using the device in the normal asynchronous motor with squirrel cage rotor, as implemented by the device, the method uses the principle of control as a function of time and does not control the movements of movable parts of jacks or any kinematically associated with these other parts of the drive elements (for example, the rotors of the motors). Induction motors are the most common, sravnitelnogo and extremely reliable type of motors.

Figure 2 shows a functional diagram of the Electromechanical device for implementing the method of spatial orientation-install the cargo carrier platform, implemented using four Electromechanical jacks.

Electromechanical device for spatial orientation-install the cargo carrier platform (hereinafter referred to as the device) includes a platform (1) and electro-mechanical jacks(2), (3), (4), (5), each of which is equipped with a force sensor (6) and locking device-holder (7). On the platform (1) strengthened the sensor roll angle (8) and the sensor pitch angle (9), whose outputs are connected to information inputs of the control system (10). Other information inputs of the control system (10) is connected and efforts sensors (6) and with the information output controlled timer (11). The structure of the device comprises a power source (12), loaded on the power input of the control system (10)that managers jacking outputs associated with jacks(2), (3), (4), (5), control locking outputs associated with Electromechanical locking devices-clamps (7), and managing the timer output is connected with the control input of the timer (11). Locking device-the clips are friction clutches with an electromagnetic drive.

As the home of the preparations can be used identical jacks Electromechanical transmission of movement on the working body by means of screw-nut, equipped with electric induction motors. The force of the Jack, as in the device prototype, it is possible to control the current of the motor, i.e. to use the current sensor as the force sensor (6). The feature of the control system (10) is that it contains the processing unit algorithmic information processing (not shown)coming from the sensor roll angle (8), the sensor pitch angle (9), sensors efforts (6) and the timer (11). The processing unit may be implemented on microcontrollers. In addition, the control system (10) includes power units (inverters) engine control levers (not shown). As a functional unit the timer (11) can be part of a control system (10). Energy device is provided by a power source (12), whose output loaded at power input of the control system (10). As the power source (12) can be used, for example, an on-Board battery.

The structure and features of patentable devices allow you to implement any algorithm in function of the load (force) of each of the jacks at the stage of initial installation, and - as a function of time during final installation. The algorithm using the device (operation) for the implementation of patentable method orientation-install the cargo carrier is the first platform above in the description of the patented method.

The proposed device can be manufactured on the basis of modern engineering enterprise with Electromechanical profile production without the use of special technologies and equipment.

1. The method of spatial orientation-install the cargo carrier platform, including primary and final installation, which consists in the fact that during the initial installation of the platform pre-installed on the working platform, then lead simultaneously to the action with the same speed jacks attached to the platform in its peripheral zones, in the amount of not less than four; in the process steps of jacks continuously measure develop each of them the effort, defining the moment it stops with a certain equal force of the movable part of each of the jacks in the soil to the working deck and at this point the action of the corresponding Jack to stop; after you stop and focus all jacks in a soil with a given effort jacks again lead simultaneously to the action with the same speed, and also continuously measure the force stop each Jack; as the action of jacks continuously calculate the total effort of all jacks and achieve a cumulative effort of all jacks-specified value, is bringing a certain proportion of the weight of the platform, stop all jacks, which completes the initial installation; next, perform the final installation, which measure achieved in the initial installation of the roll angle and the pitch angle of the platform; the signs of the difference respectively between the specified values of the angles of pitch and roll and achieved in the initial installation angles of pitch and roll determines the Jack-Jack, you want zero movement of the movable portion to the predetermined position of orientation of the platform, and high-speed Jack-Jack, you want maximum movement of the movable portion to the predetermined position of orientation of the platform; then calculate the displacement of the movable portion of each Jack is required to achieve given values of the roll angle and the pitch angle of the platform, provided the stillness of the movable part of the support Jack, the required move which is set to zero; then set the value of the moving speed of the movable part of the high-speed Jack; calculate the achieved difference set and achieved values of pitch angle and roll angle and compare the modules of these differences with tolerance for each of these angles, if satisfactory results of comparing the position of the jacks is fixed; if you are not satisfied rez is Latah comparison are repeated final installation, characterized in that once the value of the moving speed of the movable part of the Jack calculate the duration of jacks as the ratio of the required movement of the movable part of the speed of the Jack to its commanded speed; then calculate the moving speed of the movable part of each Jack as the ratio is calculated for the Jack needs to move to the time of action of the jacks; then start the countdown and simultaneously actuate all of the jacks, in addition to support, asking the movement of the movable portion of each Jack is calculated for the speed; then, after a time of action of the jacks from the beginning of his countdown, all the jacks to stop it.

2. The method according to claim 1, characterized in that the initial installation is complete upon reaching the total effort of all jacks value equaled half the weight of the platform is placed on the equipment.

3. The method according to claim 1, characterized in that all the necessary calculations and management of velocities and displacements of the jacks is carried out in automatic mode using a processor unit algorithmic information processing.



 

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10 cl, 12 dwg

FIELD: construction.

SUBSTANCE: group of inventions concerns spatial orientation setting of load-bearing platforms carrying equipment by given pitch and roll angles. Novelty of method involves absence of cross-links between forces applied to jacks and between positions of mobile jack parts in the orientation setting process. During setting, final setting process by both orientation parametres, pitch and roll angles, is performed simultaneously by the whole jack system as a single unit. Device for method implementation includes electromechanical hoisting jacks with adjustable speeds and shifts, each jack equipped with mobile part position sensor, force sensor and electromechanical locking fixator.

EFFECT: fast platform orientation setting, prevented hazardous sloping of platform, possible utilisation of multiple hoisting jacks.

7 cl, 2 dwg

Hydraulic ram // 2333148

FIELD: transport.

SUBSTANCE: hydraulic ram consists of a set of power hydraulic rams arranged on a frame, the spaces, via common manifolds, communicating with the pumping station. Hydraulic ram subpiston and superpiston spaces are connected in pairs with the pressure and drain manifolds via controlled gate valves to shut off one or several sets of the said hydraulic rams. Rulers and rods with a pointer are arranged on a fixed and movable hydraulic ram parts, respectively. Air feed and return manifolds communicate with the hydraulic ram upper spaces and air feed control gate valves. Blocks are arranged on along the reactor cover circumference to facilitate remote control over the reactor cover jointing with the grip in limited working space and to add to radiation safety. The pan with interlocks is arranged in the gap between the hydraulic ram set and the reactor cover lower surface, attached thereto.

EFFECT: load lifting without skew, measurement of the load motion regularity, draining water from hydraulic ram spaces and higher radiation safety.

4 cl, 5 dwg

Lifting device // 2049048
The invention relates to a device for lifting vehicles

FIELD: transport.

SUBSTANCE: invention relates to auxiliary devices used in machine building as jacks or liner motors. Hollow rod and lead screw nut are coupled by floating spherical support; bearing assembly is arranged in housing with clearance and has four symmetric rectangular slots that correspond to four through rectangular slots made on housing walls. Four locking bolts are arranged on housing outer surface entered into bearing assembly slots with clearance to lock said assembly axially to allow it displacing radially relative to housing axis.

EFFECT: lower radial force component on lead screw and reduced requirements to precision of manufacturing jack mating parts, longer life.

3 cl, 1 dwg

FIELD: mechanics.

SUBSTANCE: proposed external support of lifting-and-conveying machine comprises horizontal guide mounted on the latter and incorporating telescoping beam fitted in the said guide to turn about its lengthwise axis. Aforesaid beam incorporates hydraulic jack and second guide. The guides have cylindrical axial cavities with their walls accommodating retainers. Aforesaid beam is supplemented with the second telescoping beam, both representing hollow structures with two guide channels made in their outer surfaces. The guide channel pouter surface represents a part of cylinder with lengthwise axis aligned with that of the seam to form, with aforesaid inner surfaces of cylindrical axial cavities, a telescoping joint. Note that, on the side of aforesaid surfaces, grooves are made their start representing a lengthwise groove receiving retainer pin, changing over into helical groove that makes a quarter of a turn. Note also that aforesaid groove end represents the second lengthwise groove. The cylindrical axial cavities of the guides and telescoping beams accommodate beams drive representing hydraulic cylinders with their one end fastened to the guide, and their second end coupled with telescoping beam.

EFFECT: higher efficiency and reliability.

2 dwg

FIELD: transport.

SUBSTANCE: wheeled truck platform comprises a base accommodating platform floor and sides. Crane-manipulator (14) is mounted on the platform floor nearby the front side. The platform base is linked up with holder (22) arranged behind crane-manipulator (14) and accommodating the shaft with outrigger fitted thereon. The crane-manipulator is shifted to the platform lateral side under which the said outrigger is mounted. Aforesaid holder is furnished with supports representing the plates welded thereto to form feet with holes to mount the ladders. Note that the support posts are attached to the platform base lengthwise beams to form eyelets for the ladders to be mounted.

EFFECT: simpler design and higher reliability.

2 cl, 11 dwg

FIELD: machine construction.

SUBSTANCE: invention relates to the field of machine construction and can be used during the manufacturing of carrying and lifting machines. Self-levelling device for self-propelled carrying and lifting machines contains four hydraulic cylinders of outriggers and the control unit interacting with them. Moreover on the hydraulic cylinders are mounted sensors, which respond to touch of the plunger pin of the hydraulic cylinder with the supporting surface and which gives a signal to the control unit, and on the non-rotational frame is mutually transversely mounted a sensor, which reacts to its deviation to its longitudinal and transverse planes relative to the horizontal plane and which gives signals to the control unit.

EFFECT: automation of the process of the self-propelled carrying and lifting machines in the horizontal plane, and as a consequence cutting time in the adduction of the crane in the working position and increasing accuracy of alignment.

2 dwg

FIELD: machine construction.

SUBSTANCE: invention relates to the field of machine construction and can be used during construction of carrying and lifting machines. Self-aligning device for a support platform contains a revolving cabin, support cabin of a portable chassis, amplifier control unit, tilting sensor, oriented in longitudinal and transverse planes of the platform, swiveling support, control panel, sensor contacts plunger pins with the support surface, hydraulic cylinders.

EFFECT: increasing accuracy of aligning.

3 dwg

Lorry-mounted crane // 2341444

FIELD: transport.

SUBSTANCE: lorry-mounted crane contains boom, rotating unit, outriggers with jacks, each jack made as hydraulic cylinder containing rod with piston and one of outriggers with jacks with jacks having longer piston stroke than other outriggers with jacks.

EFFECT: increase of crane performance efficiency on inclined work sites.

18 dwg

FIELD: transport.

SUBSTANCE: device contains movable chassis, support platform, pitch and roll sensors made of dielectric with rheostat winding, control block made as amplifier of signals from vertical pitch and roll sensors with rheostat guides oriented in longitudinal and lateral planes, control panel for lifting and lowering rods of remote hydraulic cylinders.

EFFECT: enhancing leveling accuracy.

3 dwg

Crane truck // 2334672

FIELD: transport.

SUBSTANCE: crane truck comprises an arm, a rotary and fixed device, two outriggers with the crane L.H. side suspension supports and two outriggers with the crane R.H. side suspension supports. Every crane suspension support represents a hydraulic cylinder incorporating a piston with rod. The piston stroke of the two supports of crane suspension exceeds that of the like supports on the opposite side.

EFFECT: enlarged tolerable slope of the crane truck operating site, higher load-lifting capacity in operation on steep slopes, enlarged crane lengthwise inclination and greater deepening of anchor stay or piles by the crane suspension rear supports.

14 dwg

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