Device for opening pressed products
(57) Abstract:The invention relates to a device for opening pressed products, in particular for removing gears pressed on the end of the shaft of the traction motor of the locomotive. The device comprises a fixed bracket fixed on the basis of a trolley mounted on the trolley pick up the body in the form of two C-shaped brackets mounted movably by means of hydraulic cylinders, rigidly connected to the gripper body hydraulic power for removing moulded articles and auxiliary damper cylinder connected to the hinge shaft with the carriage and the housing to the fixed base. C-shaped bracket gripper body mounted with their ends in the horizontal rails of the frame and each of them is fastened with the middle part of the stem of a separate hydraulic cylinder, mounted horizontally on the frame. Auxiliary damper cylinder is located below the truck in the vertical plane of symmetry and parallel to the horizontal longitudinal axis of the power hydraulic drive. On the fixed base includes a table with stowage for fixing the parsed product coaxially with the hydraulic power. Table with stowage for sacral the and. The invention provides for the elimination of the parallel action of the actuating cylinders and improve reliability of the device. 1 C.p. f-crystals, 3 ill. The invention relates to a device for opening pressed products, in particular for removing gears pressed on the end of the shaft of the traction motor of a locomotive.Known stand for mounting and demounting press compounds containing a platform installed on the mechanism repressive made in the form of the power cylinder is placed coaxially with him capture in the form of mobile arcs (see the patent of Russia 2003452, 23 P 19/02).The disadvantage of this device is the inability to extinguish the jet impact repressive due to the absence of the damper mechanism, and the availability of manual operations required for rendezvous and capture circuit arcs.It is also known a device for opening pressed products containing mounted in guides on the fixed base cart, mounted on the trolley pick up the body in the form of two C-shaped brackets mounted movably by means of hydraulic cylinders, rigidly connected to the gripper body hydraulic power to remove supressive the wheel base (see USSR author's certificate 1761429, 23 P 19/02).In this device, which is the closest to the claimed, to ensure alignment of the parsed product relative power of the hydraulic drive includes a lifting mechanism of the hydraulic drive and rigidly associated gripper body, which complicates the design and reduces the reliability. Since the C-shaped bracket gripper body with their ends attached to the stem of the two parallel current drive cylinders, in case of violation of the synchronization of their actions, this can lead to jamming. In addition, since the damping reactive power repressive this device has two parallel active damping cylinders arranged on opposite sides of the power hydraulic drive, it also does not preclude jamming and reduces the reliability of the device.The technical result of the claimed device for opening pressed products is the elimination of the parallel action of the actuating cylinders and improve reliability of the device.This technical result is achieved in that the device for disassembly of moulded articles containing the set in the direction, the plant is movable by means of hydraulic cylinders, rigidly connected to the gripper body hydraulic power for removing moulded articles and auxiliary damper cylinder connected to the hinge shaft with the carriage and the housing to the fixed base, a C-shaped bracket gripper body mounted with their ends in the horizontal rails of the frame and each of them is fastened with the middle part of the stem of a separate hydraulic cylinder, mounted horizontally on the frame, an auxiliary damper cylinder is located below the truck in the vertical plane of symmetry and parallel to the horizontal longitudinal axis of the power hydraulic actuator, on the fixed base includes a table with stowage for fixing the parsed items coaxial power the hydraulic drive. In addition, a table with stowage for fixing the parsed items are pivoted by means kinematically associated with a rotation mechanism.Comparative analysis of the prototype shows that the proposed device for opening pressed products differs in that the C-shaped bracket gripper body mounted with their ends in the horizontal rails of the frame and each of them is fixed damping cylinder is located below the truck in the vertical plane of symmetry and parallel to the horizontal longitudinal axis of the power hydraulic actuator, on the fixed base includes a table with stowage for fixing the parsed items coaxial power the hydraulic drive. In addition, a table with stowage for fixing the parsed items are pivoted by means kinematically associated with a rotation mechanism. This difference from the prototype allows to assert the consistency of the proposed solutions to the patentability criteria of "novelty". The comparison of the proposed device is not only the prototype, but also with other technical solutions in this field of technology is not allowed to reveal any sign, similar distinctive signs, which enables to make a conclusion on compliance with the conditions of patentability of an invention - "inventive step".In Fig.1 shows a General view of the device for disassembly pressed products, in Fig.2 is a view As in Fig.1; Fig.3 - section b-B in Fig. 2, gripping the body in the closed position.Device for opening pressed products contains (Fig.1) cart 1 set out in the guides 2 on the fixed base 3, cart 1 mounted gripper body 4 and connected with it the power the hydraulic drive 5 Under the carriage 1 (Fig.1, 2) in the vertical plane silvery cylinder 6, connected to the hinge rod with trolley 1 and the housing to the fixed base 3. Gripper body 4 is performed (Fig. 2, 3) in the form of two C-shaped brackets 7 installed opposite and movable in a horizontal rails 8, forming the frame 9. Each C-shaped bracket 7 is connected Central portion of the stem 10 of a separate hydraulic cylinder 11 mounted horizontally on a vertical form of the frame 9, is rigidly connected with the housing of the power hydraulic actuator 5. To ensure capture of removed node, such as a gear 12 with the drive motor shaft 13 of an electric locomotive, the C-shaped brackets 7 gripper body 4 is made shouldered 14, the thickness corresponding to the clearance between the gear 12 and the housing of the traction motor 13 of the locomotive. To ensure high reliability of connection with the power hydraulic actuator 5 on the other side of the C-shaped brackets 7 gripper body 4 is made shouldered 15 to communicate with the annular groove 16, is made on the cylinder body 17 of the power hydraulic actuator 5. Fixed base 3 (Fig. 1) is made larger in length and it includes a table 18 with the lodgement 19 for fixing the parsed product, in particular a drive motor 13 of the locomotive, coaxial power hydrofluoroether 20, kinematically linked by the gear 21 with a ring gear 22 table 18. All hydromechanics devices are connected by appropriate piping to the power station (in the drawing conventionally not shown).Device for opening pressed products works as follows.Designed for disassembly of the product, in particular a traction motor 13 locomotive set in the lodgement 19 on the table 18 so as to provide alignment of the gears 12, pressed on the ends of the shaft of the traction electric motor 13, and the cylinder 17 of the power hydraulic actuator 5. Include auxiliary damper cylinder 6, the piston rod which pivotally associated with trolley 1, advancing, moves the carriage 1 along the guide rails 2 in the direction of analyzed products. After gripper body 4 mounted on the carriage 1 reaches the working area, the auxiliary damper cylinder 6 is disconnected, the truck 1 is the working position. Then turn the cylinder 11 (Fig.3), a rod 10 which, advancing, move along the horizontal guide frame 8 9 C-shaped bracket 7 gripper body 4 until shouldered 14 will take to remove the gear 12, and shouldered 15 come into engagement with the annular groove 16 on cilindr 17 power hydraulic actuator 5, the rod 23 which, advancing, abuts against the end of the shaft of the traction electric motor 13 and firmly off the shaft and the gear 12 with the resulting reactive hydraulic shock repressive extinguished auxiliary damper cylinder 6. Upon completion of the operation of repressive again include auxiliary damper cylinder 6, which returns the carriage 1 to the original position, and re-enabling the cylinder 11 move apart C-shaped bracket 7 and removed the removed gear 12. For repressive second gear 12 with the other end of the shaft of the traction electric motor 13 includes a hydraulic motor 20, the drive gear 21 which, interacting with the ring gear 22 table 18 makes the turn table 18 180oaround a vertical axis without changing the positioning parsed traction motor 13 and maintain the required alignment relative to the force of the hydraulic actuator 5. After this cycle repressive the second gear 12 is repeated in the described sequence. 1. Device for opening pressed products containing mounted in guides on the fixed base cart, mounted on the trolley pick up the body in the form of two C-shaped brackets mounted movably panago products and auxiliary damper cylinder, connected to the hinge shaft with the carriage and the housing to the fixed base, wherein the C-shaped bracket gripper body mounted with their ends in the horizontal rails of the frame and each of them is fastened with the middle part of the stem of a separate hydraulic cylinder, mounted horizontally on the frame, an auxiliary damper cylinder is located below the truck in the vertical plane of symmetry and parallel to the horizontal longitudinal axis of the power hydraulic actuator, on the fixed base includes a table with stowage for fixing the parsed product coaxially with the hydraulic power.2. The device under item 1, characterized in that table with stowage for fixing the parsed items are pivoted by means kinematically associated with a rotation mechanism.
FIELD: repairing equipment of shops, namely of locomotive depots of railway road transport vehicles.
SUBSTANCE: movable installation includes lifting table having lower wheeled platform and jointly mounted on it upper stand; mechanism for lifting and descending said stand; power hydraulic cylinder mounted on upper stand and communicated by means of hydraulic lines through control unit with high-pressure pump system; clamping device for mounting-dismounting bearing assemblies. High pressure pump system includes tank, pump aggregate, draining pipeline, suction pipeline connecting inlet of pump aggregate with tank. Lifting and descending mechanism is in the form of hydraulic cylinder and it is mounted on lower platform. Pump aggregate is arranged on upper lid of tank and it is in the form of displacement hydraulic pump with electric motor. Filter is mounted in suction pipeline. Control unit is in the form of body having two built-in safety valves, tap distributor and built-in non-return valve. Manometer and additional filter connected with draining pipeline and having pouring hole are connected with control unit. Hydraulic lines are in the form of flexible hoses. Installation is provided with additional power hydraulic cylinder that forms together with connected in parallel main hydraulic cylinder unit of power hydraulic cylinders. Said unit of power hydraulic cylinders is placed on supporting sheet-plate mounted on upper stand with possibility of rotation or removal from upper stand and with possibility of moving in range of length of flexible hoses. Similar cavities of hydraulic cylinders are mutually communicated. Clamping device includes movable and stationary plates mounted respectively on rods and back lids of hydraulic cylinders and designed for joining tie rods of attachment.
EFFECT: enhanced reliability, no-failure operation of installation.
FIELD: assembling of precise units of instruments by pressing-in with use of calibrated effort, by riveting and expanding with use of precession tool.
SUBSTANCE: press includes П-shaped housing; adjustable table mounted in struts of housing and fixed to said struts by means of pins; power hydraulic cylinder with axial motion of rod; rotation drive of precession head; pumping station of hydraulic drive unit. Rotation drive of precession head includes electric motor and belt transmission. Power hydraulic cylinder is rigidly mounted on cross piece of housing and it carries plate on end of spring-loaded rod. Said plate supports two plungers spaced in parallel relative to axis of rod and spring-loaded relative to housing. Pulleys of belt transmission of rotation drive are mounted in casing. The last is secured to plate in such a way that driven pulley is mounted on spindle coaxially relative to rod of hydraulic cylinder and driving pulley is mounted on the same axis as shaft of electric motor placed in cross piece of housing. Driving pulley and shaft of electric motor are kinematically joined by means of other shaft whose one end is mounted in shaft of electric motor and whose other end is joined by means of sliding dowel with opening of supporting axle of driving pulley. Spindle of driven pulley is joined with precession head.
EFFECT: improved design providing enhanced rigidity and working accuracy of press.
FIELD: mechanical assembling procedures, namely equipment for assembling aggregates of caterpillar transport vehicles, for example semiautomatic machines for assembling caterpillar tracks.
SUBSTANCE: in apparatus for assembling chain stop plate is mounted in such a way that its working surface is arranged in plane normal relative to pressing in plane. Upper non-working portion of stop plate at side of ending pressing-in cycle is inclined in horizontal plane to side from rotor type conveyer. Lower non-working portion of plate in vertical plane is inclined relative to vertical line to side from rotor type conveyer. Stop part of pusher exceeds diameter of head of pin. Rigid guides are arranged in plane parallel to pressing-in plane; said guides are in the form of roller tables with pitch between rollers of roller table less than pitch of chain links. Guides embrace upper branch of conveyer from downwards and branch of chain from upwards at least along the whole length of it. Drive unit is provided in addition with back-stroke mechanism. Splitter is in the form of plate that is jointly mounted in its mean portion along lateral sides on supporting surface in horizontal plane along motion direction of conveyer for moving pins and it forms two-arm lever. One end of said lever is spring-loaded from downwards with possibility of engaging with dents of conveyer for moving pins. Other end of said lever is Г-shaped one and it may engage by free end with pins on inclined trough. Horizontal axes of articulation joints in vertical plane are provided with holding levers rigidly joined with plate and mounted with possibility of engaging with pins on inclined trough.
EFFECT: enlarged manufacturing possibilities, enhanced operational reliability.
FIELD: mechanical engineering.
SUBSTANCE: mandrel has guide, working part made of deformable teeth, calibration parts, and diverging groove made in the guide and working parts. The expanded end of the groove is in coincident with the origin of the guiding part. The groove that ends at the last deformable tooth of the working part has radius-shaped cross-section.
EFFECT: enhanced quality of the press joint and expanded functional capability.
FIELD: machine engineering, namely equipment for dismounting press-fit joints, possibly restoration of electric machines.
SUBSTANCE: apparatus includes housing with platforms for horizontal and vertical motions. Part to be dismounted is placed on horizontal motion platform and it is fed to stripping mechanism. The last is joined with vertical motion platform by means of fastening members and it is provided with adjusted grips supporting heating members with possibility of their axial movement. Heating members are in the form of nozzles for alternating feed of hot and cooled air.
EFFECT: reduced axial errors between dismounted part and stripping mechanism, lowered efforts for stripping parts.
5 cl, 5 dwg
FIELD: mechanical engineering.
SUBSTANCE: device comprises the mechanism for locking pressed parts made of an extensible sleeve. The first power hydraulic cylinder is used for moving parts and can rotate between two vertical unmovable pillars. The pillars are pivotally connected in pair with movable vertical pillars through the top and bottom horizontal clamps. The extensible spring-loaded stop with the drive and the first hydraulic cylinder are axially aligned. The first power hydraulic cylinder receives the second power hydraulic cylinder whose rod is provided with first center and spring. One end of the spring co-operates with the piston, and other end of the spring co-operates with the face of the extensible sleeve. The extensible stop receives the second center with the stack of plate springs that is coaxial to the first center. The bottom clams are provided with a lifting-rotating device.
EFFECT: reduced labor consumption for making and simplified structure.
1 cl, 2 dwg
FIELD: devices designed for simplifying procedures of assembling/disassembling units.
SUBSTANCE: crank stripper includes cross piece 1 supporting power mechanism in the form of one-way telescopic hydraulic cylinder 2 having thrust rod 3 for shaft of crank 14; mechanism for forced closing of foots having cylindrical discs 8, 9, paired plates 10 and double-arm levers 4,5. One arm is used for engaging with crank; other arm of is cone one and it may rest upon lateral surface of cylindrical disc secured to lateral side of cross piece. Double-arm lever whose arms are mutually inclined by obtuse angle is jointly mounted through paired plates in center of disc. Articulation joint of lever is mounted in edge portion of second lever arm on line of inner surface of first lever arm.
EFFECT: intensified clamping of part by foots, enhanced efficiency, lowered cost price of working operations.
FIELD: mechanical engineering.
SUBSTANCE: method comprises gripping the part to be dismounted and applying axial load by means of at least two ties and, e.g., hydraulic cylinder. The rod of the hydraulic cylinder cooperates with the face of the shaft. The ties are interconnected via a plate opposite to the end of the part to be dismounted. Each of the ties is provided with the eccentric groove. The ties are set in the openings in the part to be dismounted for permitting engagement by their step defined by the eccentric groove. Between the wall of the opening of the part to be dismounted and each tie is sickle-shaped bushing member. The hydraulic cylinder abuts against the plate so that to provide relationships D1 ≤ D2, b ≥ H, e = h, where D1 is the outer diameter of the tie, D2 is the diameter of the opening in the part to be dismounted, b is the width of the eccentric groove, H is the thickness of the part, e is the eccentricity of the groove with respect to the axis of the tie, and h is the maximum thickness of the sickle-shaped bushing member.
EFFECT: expanded functional capabilities.
1 cl, 2 dwg
FIELD: machine engineering, namely mechanical strippers.
SUBSTANCE: stripper includes traverse bar with grips, screw having two outer threads with different pitches; main detachable sleeve mounted by thread whose pitch is less than that of said screw; additional threaded sleeve mounted by second thread of said screw; holder embracing both sleeves, fixed relative to them in angular direction and resting by its inner shoulder upon end of main sleeve. Inner shoulder is formed on one end of holder; other open end of holder is arranged in through opening of traverse bar and it is rigidly joined with said bar. Threads of powerful screw have similar sign; additional sleeve has outer flange spaced from open end of holder by interval determined according to relation K = B1(H2/H1 - 1), where K - interval between outer flange of additional sleeve and open end of holder; B1 - displacement (caused by main sleeve) of part stripped by means of stripper; H2 - thread pitch of additional sleeve; H1 - thread pitch of main sleeve. Sleeves are mutually spaced by interval T exceeding value of mutual convergence of sleeves.
EFFECT: simplified usage of stripper.
FIELD: railway road machine engineering, possibly repairing of railroad machines.
SUBSTANCE: press includes frame having base and two struts mutually joined by means of two columns; working cylinder mounted on one of said struts; force and supporting traverse bars with rollers. Said traverse bars are arranged between struts of press frame and they are mounted with possibility motion on rollers along columns of power frame. Force traverse bar is mounted with possibility of fixing it to columns.
EFFECT: enlarged manufacturing possibilities, improved quality of combining wheel pairs, simplified design of press.