17-type car coupler tail round pin on-site disassembling device

Abstract

The utility model discloses an on-vehicle disassembling device for a 17-type car coupler tail round pin. The on-vehicle disassembling device is used for solving the technical problem that no special equipment special for mechanically disassembling the 17-type car coupler tail round pin exists in the prior art. The device comprises a storage platform, a base, a pull-down assembly and a jacking assembly, the base is installed on the storage platform, the pull-down assembly comprises a U-shaped component and a cross beam, the U-shaped component is composed of a side plate I and a bottom plate I, a pin shaft hole is formed in the cross beam, and an auxiliary steel pin is installed in the pin shaft hole; the U-shaped component is inserted into the mounting space, and the U-shaped component and the base are in sliding fit in a vertical sliding manner; the jacking assembly comprises a bottom plate II, a top plate, a side plate II and a sliding plate, a jack is installed between the bottom plate II and the bottom plate I, the top plate is welded and fixed to the top of the side plate II and is perpendicular to the side plate II, and a bolt hole is formed in the top plate. By using the device, potential safety hazards caused by shaking the vehicle body and cutting the coupler yoke can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway truck 17 car coupler overhauling tool technical field. BACKGROUND

[0002] 17 car coupler is the rotary coupler developed by Qiqihar and Harbin vehicle factory in 1988 and put into production in 1992. In the process of disassembling 17 type car coupler, the hook tail round pin cannot be disassembled due to deformation, rust and other reasons. In view of the problem, in the field maintenance, the traditional solution is to use forklift to impact the position of the coupler and make the coupler sway, so as to realize the loosening of the hook tail round pin. However, the disadvantage brought by the impact is that the coupler is installed on the car body, and the sway of the coupler will inevitably bring the sway of the car body and the car body. Then, cutting is carried out by cooperating with gas cutting, which has great safety hazard. Secondly, the impact seat is cut by using gas welding, and then the whole set of coupler buffer device is unloaded by using forklift, and finally the whole set of coupler buffer device is forked to the hook buffer interval by using forklift, and the spring compression elastic force of the buffer is released by using gas welding, so as to achieve the purpose of the whole set of coupler buffer device. Due to the instantaneous release of spring elastic force and the release of force, and due to the irregular cutting, the direction is uncertain, and there is great safety hazard. After nearly a year of effort of the technical research team, the technical implementation scheme is designed, the force direction is changed, the pressure is changed into tension, the hook tail round pin is pulled out from the hook tail pin hole, and the hook tail frame and the coupler structure are not damaged, so as to achieve the purpose of disassembling the hook tail round pin without damage. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the technical problems of the prior art, the utility model provides a 17 type car coupler hook tail round pin disassembling device for solving the technical problem that there is no special equipment for mechanically disassembling the 17 type car coupler hook tail round pin.

[0004] The utility model solves the technical problems by adopting the following technical scheme:

[0005] The 17 type car coupler hook tail round pin disassembling device comprises a storage platform, a base, a downward pulling assembly and a jacking assembly, characterized in that the base is installed on the storage platform, and the base has an installation space therein.

[0006] The pull-down assembly comprises a U-shaped member and a crossbeam, wherein the U-shaped member is composed of a side plate I and a bottom plate I, a rectangular hole is arranged at the top section of the side plate I, and the crossbeam is arranged in the rectangular hole at both ends; a pin shaft hole is arranged on the crossbeam, and an auxiliary steel pin is arranged at the pin shaft hole; the U-shaped member is inserted into the installation space, and the U-shaped member and the base are in sliding fit along the vertical direction; the jacking assembly comprises a bottom plate II, a top plate, a side plate II and a sliding plate, the two side plates II are arranged vertically and parallel to each other, the bottom plate II is arranged between the two side plates II, and the sliding plate is arranged on both sides of the side plate II, the sliding plate is provided with a sliding groove, the sliding groove is in sliding fit with the edges of the two side plates I in the pull-down assembly, the jacking assembly is installed in the pull-down assembly, and a jack is arranged between the bottom plate II and the bottom plate I, and the top plate is welded and fixed at the top of the side plate II and perpendicular to the side plate II, and a bolt hole is arranged on the top plate.

[0007] Further, the base is a reverse T-shaped profile composed of two support plates and two vertical plates, and a rib plate is arranged between the support plates and / or the vertical plates.

[0008] Further, the bolt hole is a long strip hole.

[0009] Further, the sliding groove is a right-angle sliding groove.

[0010] Further, the pin shaft hole is arranged in the middle of the crossbeam.

[0011] Further, the lower end of the auxiliary steel pin is provided with an enlarged anchor head, and the upper end is provided with a pin hole, and a herringbone pin is arranged in the pin hole.

[0012] Further, the jack is a hydraulic jack.

[0013] Further, the storage platform is a handcart provided with a scissor fork lifting mechanism.

[0014] Further, the base is fixedly connected with the storage platform.

[0015] Further, the jacking assembly has a hollow structure.

[0016] The beneficial effects of the utility model are as follows:

[0017] The use of the device can reduce the large safety hazards caused by the movable vehicle body and the cutting hook tail frame; the labor efficiency can be improved, if the device is used again in the case, the hook tail round pin can be quickly disassembled and the vehicle can be quickly removed, and the track operation plan is not affected for a long time; the economic loss caused by the cutting hook tail frame can be avoided by using the device, and the vehicle repair cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1It is an assembled view of the device.

[0019] Figure 2 It is an exploded view of the device.

[0020] Figure 3 It is an assembled view of the base.

[0021] Figure 4 It is an assembled view of the pull-down assembly.

[0022] Figure 5 It is an assembled view of the lifting assembly.

[0023] In the figure:

[0024] 100 base, 110 support plate, 120 vertical plate, 130 rib plate, 140 installation space;

[0025] 200 pull-down assembly, 210 U-shaped member, 211 rectangular hole, 220 crossbeam, 221 pin shaft hole, 230 auxiliary steel pin;

[0026] 300 lifting assembly, 310 bottom plate II, 320 top plate, 321 bolt hole, 330 side plate II, 340 sliding plate;

[0027] 400 jack;

[0028] 500 scissor fork lifting mechanism. DETAILED DESCRIPTION

[0029] 17 type car coupler hook tail round pin present vehicle disassembly device, the overall design idea of the device is to set an auxiliary steel pin, which is welded to the hook tail round pin to be disassembled to form a whole, and then a tensioning force is applied to the device through a jack, which has a pulling force on the hook tail round pin during the process, and the hook tail round pin is pulled out of the pin hole through the pulling force, which is a pure physical disassembly.

[0030] The accompanying drawings are combined with the specification Figures 1 to 5 The composition and use method of the device are described as follows.

[0031] The handcart with lifting function has a moving function and can be moved anywhere in the repair workshop. At the same time, the handcart has a scissor fork lifting mechanism 500, so that the storage platform of the handcart has a certain height lifting function.

[0032] The base 100 is a welded structure, and is a reversed T-shaped profile composed of two support plates 110 and two vertical plates 120, i.e., the support plates and the vertical plates are in perpendicular relationship, and the vertical plates 120 are centrally arranged at the middle of the support plates. In order to enhance the rigidity of the support plates, the reinforcing rib plates 130 are arranged between the support plates 110 and / or the vertical plates 120, which play the role of enhancing the connecting rigidity. The support plates of the base are placed on the storage platform, and the vertical plates form an installation space 140, which is a cuboid space, for installing the jacking assembly, the downward pulling assembly and the jack, and has a restraining effect on the installed downward pulling assembly, i.e., provides installation and assembly space for the above-mentioned functional components.

[0033] Further, in the embodiment, the support plates of the base form a support plane at the same plane to ensure the stability of the base. The welding parts of the base are fully welded without false welding. The support surface of the bottom is perpendicular to the vertical direction to ensure that the force direction is perpendicular to the horizontal plane when the force is applied.

[0034] Further, the base 100 and the storage platform can be temporarily fixed.

[0035] The downward pulling assembly 200 includes a U-shaped member 210 and a cross beam 220. The U-shaped member is a U-shaped profile steel member formed by two side plates I and a bottom plate I, and a rectangular hole 211 is arranged at the top of the side plates I of the U-shaped member. The cross beam 220 is a steel plate with a rectangular cross section, which is transversely arranged in the two rectangular holes, which is beneficial to realize quick assembly and disassembly, and forms a mouth-shaped profile.

[0036] Further, a pin shaft hole 221 for an auxiliary steel pin is arranged on the cross beam 220, which is centrally arranged to form the mounting point of the auxiliary steel pin 230.

[0037] Further, the lower end of the auxiliary steel pin 230 is provided with an enlarged anchor head, and the upper end is provided with a pin hole. The auxiliary steel pin is inserted into the pin shaft hole from bottom to top, and is preliminarily fixed by the herringbone pin at the upper side. The fixed auxiliary steel pin is temporarily fixed on the cross beam.

[0038] During installation, the U-shaped member is inserted into the installation space 140 of the base from top to bottom, and the two side plates I of the U-shaped member and the two vertical plates of the base form a vertical sliding fit, i.e., under the constraint of the vertical plates 120, the U-shaped member 210 only has the freedom of upward and downward sliding.

[0039] The jacking assembly is installed in the downward pulling assembly, and the jack 400 is installed between the jacking assembly and the downward pulling assembly.

[0040] Further, the jack 400 is a hydraulic jack.

[0041] The jacking assembly 300 comprises a three-dimensional structure composed of a bottom plate II 310, a top plate 320, side plates II 330 and a sliding plate 340. Specifically, two side plates II 330 are vertically arranged and parallel to each other, and are connected by a bottom plate II at the low point between the two side plates II to form a U-shaped profile, and the bottom plate II is also the action point of the jack. A sliding plate with an angle steel structure is arranged on both sides of the side plate II, i.e., the sliding plate 340 has a straight sliding groove, and the sliding groove in the sliding plate is in sliding cooperation with the edge position of the two side plates I in the pulling-down assembly, i.e., vertical sliding cooperation. When installed in place, the jacking assembly is installed in the space in the pulling-down assembly, and a space for installing the jack is formed between the bottom plate II of the jacking assembly and the bottom plate I of the pulling-down assembly, and the jack is installed in the space.

[0042] The top plate 320 is welded and fixed at the top of the side plate II and perpendicular to the side plate II, and a bolt hole 321 is arranged on the top plate, which is preferably a long hole.

[0043] Further, in order to reduce the overall weight of the jacking assembly, the jacking assembly is subjected to hollowing treatment to reduce the dead weight.

[0044] The use method of the device is as follows:

[0045] Firstly, the device is moved to the lower side of the 17-type coupler by using a trolley, and then the overall height is raised by using the scissor fork lifting mechanism, so that the auxiliary steel pin is welded and connected with the hook tail round pin. After the welding point is cooled, the jacking assembly is fixed with the center beam of the railway wagon, and the fixing method is bolt fastening, forming an integral whole. Then the scissor fork lifting mechanism acts and lowers the height of the platform, and in this process, a vertical moving space is formed between the base and the pulling-down assembly, which is also the space for the pulling action of the steel pin. Finally, the jacking action of the jack has a whole pulling-down action on the pulling-down assembly, and in this process, the pulling-down assembly drives the pulling-down action of the auxiliary steel pin, and the hook tail round pin is finally pulled out.

[0046] The technical advantage of the embodiment is that the jacking force of the jack is converted into the pulling force of the auxiliary steel pin through the use of the device, the jacking assembly in the device is fixed on the middle beam of the railway wagon and vertically moves under the guidance of the slide plate, and the shaking, mispositioning and deviation of the pulling-down assembly when the jack is in action can be avoided, so that the direction deviation of the force is avoided. The piston column of the jack in the embodiment is arranged between the jacking assembly and the pulling-down assembly and is perpendicular to the two bottom plates, and in combination with the vertical sliding cooperation between the pulling-down assembly and the jacking assembly, the pressure of the jack can be transmitted to the cross beam, the pulling-down force is transmitted to the auxiliary steel pin welded on the hook tail round pin through the round pin hole of the cross beam, the hook tail round pin is pulled downward, and the purpose of separating the hook tail round pin from the hook tail frame and the buffer is achieved.

[0047] The four side plates in the jacking assembly and the pulling-down assembly are in a cross-over staggered state, the stability is higher, and the U-shaped member can be effectively ensured to be horizontally tilted during the operation process.

[0048] In the embodiment, the base with a large bottom size is heavy in weight due to the fact that the device is composed of multiple components, the device is fixed on the trolley, the working height of the device is adjusted by using the scissor fork type lifting mechanism of the trolley, the top plate of the jacking assembly of the device is aligned with the weight hook support beam bolt hole, the device itself is ensured to be stable as a whole during the operation, the hook tail round pin is pulled out of the hook tail round pin hole during the operation of the hydraulic jack, the pulling-down assembly is continuously lowered, the overall height of the device is lowered by controlling the trolley through the handle, the base is always attached to the trolley, the base is designed as shown in the figure, the overall device is ensured not to be tilted during the operation process and after the operation is completed, and the personal operation safety is ensured.

[0049] The base is grounded by four supporting plates, the contact area is increased to ensure the stability of the overall device, four rib plates are added to the base to ensure the firmness of the base, the base is ensured not to be cracked and damaged when receiving the lateral impact, the jacking assembly can be lowered to sit in the base when not in operation, and the jack can be taken out at this time. The upper top surface of the guard plate can ensure that the device itself does not freely fall down during the operation process without adjusting the overall height of the device, and the personal and equipment safety is ensured.

[0050] The above-described embodiments only describe the preferred embodiments of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the utility model by the related technicians in the field without departing from the design spirit of the utility model shall fall within the protection scope determined by the claim of the utility model.

Claims

1. A device for disassembling a round pin of a 17-type coupler, comprising a platform, a base, a lowering assembly and a jacking assembly, characterized in that: The base is installed on a storage platform, and the base has an installation space therein; The pull-down assembly comprises a U-shaped member and a crossbeam, wherein the U-shaped member is composed of a side plate I and a bottom plate I, a rectangular hole is arranged at a top section of the side plate I, and the crossbeam is arranged at both ends of the rectangular hole; a pin shaft hole is arranged on the crossbeam, and an auxiliary steel pin is arranged at the pin shaft hole; the U-shaped member is inserted into the installation space, and the U-shaped member and the base are in sliding fit in the vertical direction; the jacking assembly comprises a bottom plate II, a top plate, a side plate II and a sliding plate, two side plates II are arranged in the vertical direction and parallel to each other, the bottom plate II is arranged between the two side plates II, the sliding plate is arranged on both sides of the side plate II, the sliding plate has a sliding groove, the sliding groove is in sliding fit with the edges of the two side plates I in the pull-down assembly, the jacking assembly is installed in the pull-down assembly, a jack is arranged between the bottom plate II and the bottom plate I, the top plate is welded and fixed on the top of the side plate II and perpendicular to the side plate II, and a bolt hole is arranged on the top plate.

2. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The base is a reverse T-shaped profile composed of two support plates and two vertical plates, and a rib plate is arranged between the support plates and / or the vertical plates.

3. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The bolt hole is a long strip hole.

4. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The sliding groove is a right-angle sliding groove.

5. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The pin shaft hole is arranged in the middle of the crossbeam.

6. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The lower end of the auxiliary steel pin is provided with an enlarged anchor head, and the upper end is provided with a pin hole, and a herringbone pin is arranged at the pin hole.

7. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The jack is a hydraulic jack.

8. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The storage platform is a trolley provided with a scissor fork lifting mechanism.

9. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The base is fixedly connected with the storage platform.

10. The 17 type car coupler knuckle disassembling device according to claim 1, characterized in that, The jacking assembly has a hollow structure. The base is a reverse T-shaped profile composed of two support plates and two vertical plates, and a rib plate is arranged between the support plates and / or the vertical plates. The bolt hole is a long strip hole. The sliding groove is a right-angle sliding groove. The pin shaft hole is arranged in the middle of the crossbeam. The lower end of the auxiliary steel pin is provided with an enlarged anchor head, and the upper end is provided with a pin hole, and a herringbone pin is arranged at the pin hole. The jack is a hydraulic jack. The storage platform is a trolley provided with a scissor fork lifting mechanism. The base is fixedly connected with the storage platform. The jacking assembly has a hollow structure.

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