CN216180174U - Wheel set axle box dismounting tool for metro vehicle bogie - Google Patents
Wheel set axle box dismounting tool for metro vehicle bogie Download PDFInfo
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- CN216180174U CN216180174U CN202121605585.1U CN202121605585U CN216180174U CN 216180174 U CN216180174 U CN 216180174U CN 202121605585 U CN202121605585 U CN 202121605585U CN 216180174 U CN216180174 U CN 216180174U
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- collision block
- axle box
- slide bar
- welding
- connecting plate
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Abstract
The utility model discloses a wheel set and axle box dismounting tool of a metro vehicle bogie, which comprises an impact slide bar welding component and a split type maintainable impact block, wherein the impact slide bar welding component comprises a bottom connecting plate, a slide bar and an impact baffle, the bottom connecting plate is connected with an axle box through a bolt, one end of the slide bar penetrates through a welding mounting hole in the center of the bottom plate connecting plate, and the other end of the slide bar penetrates through a welding mounting hole in the center of the impact baffle; the split type maintainable collision block comprises an upper collision block, a lower collision block, a sliding sleeve and a collision wrench, wherein the upper collision block and the lower collision block are connected into a square structure with a round through hole in the middle through an upper collision block and a lower collision block connecting screw, the sliding sleeve is arranged in the round through hole, a sliding rod penetrates through the round through hole, and the collision wrench is arranged on one side edge of the upper collision block and the lower collision block. The utility model has simple structure, convenient operation, maintainability, time and labor saving and improved production efficiency.
Description
Technical Field
The utility model relates to the technical field of metro vehicle bogies, in particular to a wheel set axle box dismounting tool for a metro vehicle bogie.
Background
When the metro vehicle is overhauled, the axle box on the bogie needs to be overhauled, and in the dismounting process, a maintainer uses an iron hammer to knock the axle box to dismount. A bogie has 4 axle boxes, 48 total axle boxes of a train, and this kind strikes dismantlement method with the hammer at present, when dismantling the axle box, can only strike fixed several on the axle box with the hammer, can make the axle box eccentric when striking, and every strike, the amount of movement of axle box is very little, strikes the damage that still can cause the different degree to the axle box surface, and a train axle box is a lot of, dismantles inefficiency, wastes time and energy.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a wheel set axle box dismounting tool of a metro vehicle bogie, which solves the problem that when an axle box is dismounted and is knocked by an iron hammer, the axle box is eccentric, and the dismounting efficiency is improved.
The technical scheme adopted by the utility model is that the wheel set and axle box dismounting tool of the metro vehicle bogie comprises an impact slide bar welding component and a split type maintainable impact block, wherein the impact slide bar welding component comprises a bottom connecting plate, a slide bar and an impact baffle, the bottom connecting plate is connected with an axle box through a bolt, one end of the slide bar penetrates through a welding mounting hole in the center of a bottom plate connecting plate, and the other end of the slide bar penetrates through a welding mounting hole in the center of the impact baffle; the split type maintainable collision block comprises an upper collision block, a lower collision block, a sliding sleeve and a collision wrench, wherein the upper collision block and the lower collision block are connected into a square structure with a round through hole in the middle through an upper collision block and a lower collision block connecting screw, the sliding sleeve is arranged in the round through hole, a sliding rod penetrates through the round through hole, the collision wrench is arranged on one side edge of the upper collision block and the lower collision block, the upper collision block and the lower collision block are provided with corresponding positioning pin holes, and the positioning pins of the upper collision block and the lower collision block are arranged in the positioning pin holes.
Preferably, the inner diameter of a welding mounting hole in the center of the bottom plate connecting plate corresponds to the outer diameter of the sliding rod, and welding grooves are machined on two sides of the welding mounting hole.
Preferably, a bottom reinforcing rib plate is welded between the bottom plate connecting plate and the sliding rod, and a top reinforcing rib plate is welded between the sliding rod and the impact baffle.
Preferably, the inner diameter of a welding mounting hole in the center of the impact baffle corresponds to the outer diameter of the sliding rod, and welding grooves are machined on two sides of the welding mounting hole.
Preferably, the bottom plate connecting plate is provided with 4 bolt holes, and the positions and the sizes of the 4 bolt holes correspond to the 4 threaded holes on the axle box.
Preferably, 4 screw mounting holes and 2 positioning pin holes are processed on the upper collision block, and 4 threaded holes and 2 positioning pin holes are processed on the lower collision block.
Preferably, the connecting screw of the upper and lower collision blocks is provided with a spring washer.
The utility model has the beneficial effects that: the wheel set axle box dismounting tool for the metro vehicle bogie has the advantages of simple structure, convenience and reliability in operation, maintainability, time and labor conservation, improvement of production efficiency, avoidance of damage to the wheel set axle box and maintenance cost saving.
Drawings
Fig. 1 is a schematic view of a wheel-pair axle box state of a metro vehicle bogie in the prior art after overhaul and disassembly of a frame.
Fig. 2 is a schematic view of a wheel-set axle box dismounting tool of a bogie.
Fig. 3 is a structural diagram of a wheel-set axle box dismounting tool of a bogie.
Fig. 4 is a structural view of a welding composition of an impact slide bar of the tool.
Fig. 5 is a block diagram of a split serviceable ram.
Fig. 6 is a split internal view of a split serviceable ram.
The labels in the figure are: 1-wheel pair, 2-axle box, 3-disassembly tool, 4-tool bottom, 5-split type maintainable collision block, 6-collision slide rod welding component, 7-bottom connecting plate, 8-bottom reinforcing rib plate, 9-slide rod, 10-collision baffle, 11-top reinforcing rib plate, 12-upper collision block, 13-lower collision block, 14-sliding sleeve, 15-collision wrench, 16-upper and lower collision block connecting screw, 17-spring washer and 18-positioning pin of upper and lower collision block.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, as shown in fig. 1, a schematic diagram of the status of the wheel-set axle-box of the metro vehicle bogie after dismantling the overhaul of the frame is shown, and two wheel-set axle-boxes 2 are arranged on one wheel set 1. When the vehicle frame is overhauled, it is necessary to remove the wheelset axlebox 2 from the wheelset 1. The existing technical method is that an iron hammer is used for knocking the outer surface of the axle box, the axle box is disassembled by a knocking method, due to the limited structure, two points on the upper surface of the axle box 2 can be knocked, the axle box 2 can eccentrically move every time the axle box is knocked, the moving distance is very small, and time and labor are wasted in the process of disassembling the axle box 2.
To above-mentioned problem, utility model discloses a dismantlement frock of wheel pair axle box operates as shown in fig. 2, and this frock design is the slip striking structure, and 4 bolt mounting holes are processed to the bottom connecting plate 7 of frock bottom 4, are connected with axle box 2 through these 4 bolt mounting holes. The slide bar 9 of the tool coincides with the installation center of the axle box 2, and the end part of the slide bar 9 is welded with an impact baffle 10. Install split type maintainable on the slide bar 9 and hit piece 5, the maintainer slides and hits the piece, striking baffle 10 on the striking slide bar 9, through hitting the piece and striking the impact disassembly axle box 2 that baffle 10 produced, because this impact coincides with axle box 2 installation center, can not produce off-centre at the in-process of dismantling, and hit a kinetic energy very big, the impact of production is very big, the axle box 2 removes a lot of distances once hitting once, it is convenient to dismantle, labour saving and time saving, and can not cause any damage to axle box 2.
Fig. 4 is a structural diagram of a collision slide bar welding composition of a tool, 4 bolt holes are processed in a bottom plate connecting plate 7, the position size and the size of the 4 bolt holes correspond to 4 threaded holes in an axle box, a welding mounting hole corresponding to the outer diameter of a slide bar 9 is processed in the center of the bottom plate connecting plate 7, a welding groove slide bar 9 is processed on two sides of the welding mounting hole and is mounted in the welding mounting hole of the bottom connecting plate 7, double-side welding is performed according to the groove size, and a bottom reinforcing rib plate 8 is welded between the bottom plate connecting plate 7 and the slide bar 9 in order to increase the strength of the bottom plate connecting plate 7. A welding mounting hole corresponding to the outer diameter of the sliding rod 9 is machined in the center of the impact baffle 10, a welding groove is machined on the two sides of the welding mounting hole of the impact baffle 10, double-side welding is conducted according to the size of the groove, and in order to increase strength, a top reinforcing rib plate 11 is welded between the sliding rod 9 and the impact baffle 10.
Fig. 5 is a structural diagram of a split type maintainable collision block, wherein an upper collision block 12 is provided with 4 screw mounting holes and 2 positioning pin holes, a lower collision block 13 is provided with 4 threaded holes and 2 positioning pin holes, a mounting hole of a sliding sleeve 14 and a welding mounting hole of an impact wrench 15.
Fig. 6 is a split internal view of a split type maintainable collision block, firstly, a sliding sleeve 14 is processed into two parts which are equal up and down in a central symmetry manner, the two parts processed by the sliding sleeve 14 are respectively placed in mounting holes of the sliding sleeve 14 of an upper collision block 12 and a lower collision block 13, a positioning pin 18 of the upper collision block and the lower collision block is mounted in a positioning pin hole of the lower collision block 13, and then the upper collision block 12 and the lower collision block 13 are connected together on a slide rod 9 by an upper collision block connecting screw 16 and a lower collision block connecting screw 16. The split type maintainable collision 5 is in contact with the sliding rod 9 through the sliding sleeve 14 inside, so that the collision block can be guaranteed to slide smoothly in the sliding collision process, the sliding sleeve 14 prevents the sliding rod 9 from being worn and damaged in the sliding process to cause incapability of use, and the sliding sleeve 14 can be replaced conveniently when being worn and damaged and incapable of being used.
Claims (7)
1. Frock is dismantled to wheel pair axle box of railcar bogie, its characterized in that: the impact slide bar welding assembly comprises a bottom connecting plate, a slide bar and an impact baffle, wherein the bottom connecting plate is connected with an axle box through a bolt; the split type maintainable collision block comprises an upper collision block, a lower collision block, a sliding sleeve and a collision wrench, wherein the upper collision block and the lower collision block are connected into a square structure with a round through hole in the middle through an upper collision block and a lower collision block connecting screw, the sliding sleeve is arranged in the round through hole, a sliding rod penetrates through the round through hole, the collision wrench is arranged on one side edge of the upper collision block and the lower collision block, the upper collision block and the lower collision block are provided with corresponding positioning pin holes, and the positioning pins of the upper collision block and the lower collision block are arranged in the positioning pin holes.
2. The wheel-set axle box dismounting tool of the metro vehicle bogie as claimed in claim 1, wherein: the inner diameter of a welding mounting hole in the center of the bottom plate connecting plate corresponds to the outer diameter of the sliding rod, and welding grooves are machined on two sides of the welding mounting hole.
3. The wheel-set axle box dismounting tool of the metro vehicle bogie as claimed in claim 1, wherein: and a bottom reinforcing rib plate is welded between the bottom plate connecting plate and the slide bar, and a top reinforcing rib plate is welded between the slide bar and the impact baffle.
4. The wheel-set axle box dismounting tool of the metro vehicle bogie as claimed in claim 1, wherein: the inner diameter of a welding mounting hole in the center of the impact baffle corresponds to the outer diameter of the sliding rod, and welding grooves are processed on the two sides of the welding mounting hole.
5. The wheel-set axle box dismounting tool of the metro vehicle bogie as claimed in claim 1, wherein: 4 bolt holes are processed in the bottom plate connecting plate, and the positions and the sizes of the 4 bolt holes correspond to the 4 threaded holes in the axle box.
6. The wheel-set axle box dismounting tool of the metro vehicle bogie as claimed in claim 1, wherein: the upper collision block is provided with 4 screw mounting holes and 2 positioning pin holes, and the lower collision block is provided with 4 threaded holes and 2 positioning pin holes.
7. The wheel-set axle box dismounting tool of the metro vehicle bogie as claimed in claim 1, wherein: and a spring washer is arranged on the connecting screw of the upper and lower collision blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121605585.1U CN216180174U (en) | 2021-07-15 | 2021-07-15 | Wheel set axle box dismounting tool for metro vehicle bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121605585.1U CN216180174U (en) | 2021-07-15 | 2021-07-15 | Wheel set axle box dismounting tool for metro vehicle bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216180174U true CN216180174U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121605585.1U Active CN216180174U (en) | 2021-07-15 | 2021-07-15 | Wheel set axle box dismounting tool for metro vehicle bogie |
Country Status (1)
| Country | Link |
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| CN (1) | CN216180174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618982A (en) * | 2023-05-19 | 2023-08-22 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Axle box disassembling device for motor car wheel set |
-
2021
- 2021-07-15 CN CN202121605585.1U patent/CN216180174U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618982A (en) * | 2023-05-19 | 2023-08-22 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Axle box disassembling device for motor car wheel set |
| CN116618982B (en) * | 2023-05-19 | 2024-05-10 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Axle box disassembling device for motor car wheel set |
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