Regulating spring jacking tool for bogie of metro vehicle

By designing a jacking module and a support module that operate synchronously, the problems of synchronicity and operational complexity in the jacking process of bogie spring adjustment in traditional subway vehicles have been solved, achieving efficient and safe synchronous jacking of the bogie primary spring.

CN223852192UActive Publication Date: 2026-01-30TAIYUAN CRRC RAIL TRANSIT EQUIP CO LTD
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Patent Information

Application Number
CN202423161599.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-01-30
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In the traditional process of raising the bogie springs of subway cars, two sets of oil pumps are required to raise them simultaneously. This process is complex, requires high technical skills from workers, is time-consuming and labor-intensive, and the oil pumps themselves have high technical requirements.

Method used

A bogie spring lifting fixture for metro vehicles, comprising a lifting module and a support module, was designed. The lifting module includes a pair of synchronously operating lifting parts, and the support module is provided with a pair of support parts and suspension components. The height difference corresponds to the height difference between the bogie primary spring and the axle box. The synchronous lifting of the primary springs on both sides is achieved by a one-to-two oil pump.

Benefits of technology

The system enables synchronous lifting of the bogie's primary spring, simplifying the operation process, reducing the technical requirements for workers, and improving lifting efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a subway vehicle bogie adjusting spring jacking tool, which belongs to the technical field of subway vehicle bogie adjusting spring operation, and comprises a jacking module and a supporting module, the jacking module comprises a pair of jacking parts which act synchronously; the support module is provided with a pair of support parts and a pair of suspension parts, the pair of support parts has a first height difference, the first height difference corresponds to the height difference of a pair of tie springs of the bogie, the pair of suspension parts has a second height difference, and the second height difference corresponds to the height difference of a pair of axle box bodies. And the first height difference and the second height difference enable the pair of jacking parts to synchronously act to drive the two primary springs with different heights to synchronously jack.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to metro vehicle bogie spring adjusting operation technical field, more specifically, it relates to a metro vehicle bogie spring adjusting jacking tool. BACKGROUND

[0002] Metro vehicle needs to carry out weighing test after assembling, this test requires observing the wheel load and axle load distribution of vehicle on the microcomputer interface of test weighing platform, and adjusting vehicle, so that the weight distribution and four corner high, air spring height of vehicle meet the test outline and design condition requirement, if the value does not meet the condition, the weight of vehicle needs to be adjusted by adding or subtracting shims below primary spring, the traditional mode is to carry out jacking through hydraulic cylinder, this mode is one to need two sets of oil pump to carry out synchronous jacking, two to need two oil pump jacking heights consistent during operation process, the technical level of worker is required higher, and it is time-consuming and laborious, and the technical requirement of oil pump is higher. UTILITARIAN CONTENT

[0003] The utility model aims at providing a metro vehicle bogie spring adjusting jacking tool, and solves the problem that the two primary springs of bogie are inconsistent in height and cause asynchronous jacking.

[0004] In order to realize the above-mentioned purpose, the utility model provides a metro vehicle bogie spring adjusting jacking tool, which comprises:

[0005] A jacking module, the jacking module comprises a pair of synchronous jacking parts;

[0006] A supporting module, the supporting module is provided with a pair of supporting parts, and the pair of supporting parts are provided with a first height difference, and the first height difference corresponds to the height difference of the pair of primary springs of the bogie.

[0007] Optionally, the supporting module further comprises a base, the lower surface of the base is used for contacting the pair of jacking parts, and the pair of supporting parts are arranged on the upper surface of the base.

[0008] Optionally, the supporting module is provided with a pair of handles at both ends.

[0009] Optionally, the supporting module further comprises:

[0010] A pair of suspension components, one end of the pair of suspension components is fixedly connected with the base, and the other end of the pair of suspension components is used for detachably connecting with the pair of axle box bodies of the bogie.

[0011] Optionally, the pair of suspension components are provided with a second height difference, and the second height difference corresponds to the height difference of the pair of axle box bodies.

[0012] Optionally, the other end of the suspension component is provided with a U-shaped part, a pair of side walls of the U-shaped part is provided with a pair of positioning holes, and a pair of the positioning holes is provided with a latch.

[0013] Optionally, the jacking part is a jack.

[0014] The jacking module further comprises a one-to-two oil pump, and the one-to-two oil pump is connected with the pair of jacks through oil pipes.

[0015] Optionally, the bogie spring adjusting and jacking tool further comprises:

[0016] A moving trolley module is used for carrying the jacking module and the supporting module.

[0017] Optionally, the moving trolley module comprises:

[0018] A chassis, the upper surface of the chassis is used for placing the jacking module and the supporting module.

[0019] A plurality of universal wheels are rotationally connected to the chassis.

[0020] A hand pushing handle is connected to the chassis.

[0021] Optionally, the moving trolley module further comprises:

[0022] A stopper can be extended downward to contact the ground and can be retracted upward to be separated from the ground.

[0023] The bogie spring adjusting and jacking tool has the advantages that: the jacking module comprises a pair of jacking parts that act synchronously; the supporting module is provided with a pair of supporting parts and a pair of suspension components, the pair of supporting parts has a first height difference, the first height difference corresponds to the height difference of a pair of primary springs of the bogie, and the pair of suspension components has a second height difference, the second height difference corresponds to the height difference of a pair of axle box bodies.

[0024] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0025] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the figures, and in which:

[0026] Figure 1Fig. 1 shows a schematic structural diagram of a support module according to one embodiment of the present application.

[0027] Figure 2 Fig. 2 shows a schematic structural diagram of a support module according to one embodiment of the present application.

[0028] Figure 3 Fig. 3 shows a schematic structural diagram of a support module according to one embodiment of the present application.

[0029] Figure 4 Fig. 4 shows a schematic structural diagram of a support module mounted on a bogie according to one embodiment of the present application.

[0030] Figure 5 Fig. 5 shows a schematic structural diagram of a jacking module according to one embodiment of the present application.

[0031] Figure 6 Fig. 6 shows a schematic structural diagram of a moving trolley module according to one embodiment of the present application.

[0032] Legend of reference signs:

[0033] 1, jacking module; 11, jack; 12, one-pull-two oil pump; 13, oil pipe;

[0034] 2, support module; 21, support part; 22, base; 23, handle; 24, suspension part; 25, U-shaped part; 26, positioning hole;

[0035] 3, moving trolley module; 31, undercarriage; 32, universal wheel; 33, handrail; 34, stopper;

[0036] 4, bogie; 41, primary spring; 42, axle box. DETAILED DESCRIPTION

[0037] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application is more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0038] As shown in Figures 1-4 the present embodiment provides a metro vehicle bogie spring adjustment jacking tool, comprising:

[0039] a jacking module 1, the jacking module 1 comprising a pair of synchronously acting jacking parts;

[0040] The support module 2 is provided with a pair of support portions 21 on the upper surface, the pair of support portions 21 are provided with a first height difference corresponding to the height difference of a pair of primary springs 41 of the bogie 4, and the upper surface of the support module 2 is further provided with a pair of suspension components 24 for detachable connection with a pair of axle box bodies 42 of the bogie 4, the pair of suspension components 24 are provided with a second height difference corresponding to the height difference of the pair of axle box bodies 42.

[0041] In specific implementation, before jacking, the support module 2 is suspended on the axle box body 42 through the suspension component 24, the jacking module 1 is placed between the support module 2 and the primary spring 41, the upper end of the jacking portion is in contact with the primary spring 41 of the bogie 4, the lower end of the jacking portion is in contact with the support portion 21, and the primary spring 41 is jacked up with the suspension component 24 as a fulcrum when the jacking portion is raised. Since the heights of the primary springs 41 on both sides of the bogie 4 are inconsistent, the two support portions 21 are arranged at different heights; since the heights of the axle box bodies 42 on both sides are inconsistent, the two suspension components 24 are arranged at different heights, so that the two primary springs 41 at different heights can be synchronously jacked up when the pair of jacking portions act synchronously.

[0042] In the embodiment, the support module 2 includes a base 22, and the pair of support portions 21 and the pair of suspension components 24 are arranged on the upper surface of the base 22.

[0043] Optionally, the support module 2 is provided with a pair of handles 23 at both ends.

[0044] Specifically, the handle 23 can facilitate installation, disassembly and other operations.

[0045] Optionally, one end of each of the pair of suspension components 24 is fixedly connected with the base 22, and the other end of each of the pair of suspension components 24 is used for detachable connection with the pair of axle box bodies 42 of the bogie 4.

[0046] In the embodiment, the other end of the suspension component 24 is provided with a U-shaped portion 25, a pair of side walls of the U-shaped portion 25 are provided with a pair of positioning holes 26, and a latch (not shown in the figure) is arranged in the pair of positioning holes 26.

[0047] In specific implementation, the support module 2 is lifted, the axle box body 42 is placed in the accommodation space of the U-shaped portion 25, and then the latch is sequentially inserted through the pair of positioning holes, so that the axle box body 42 is locked in the accommodation space.

[0048] As shown in Figure 5 Optionally, the jacking portion is a jack 11.

[0049] The jacking module 1 further includes a one-to-two oil pump 12, and the one-to-two oil pump 12 is connected with the pair of jacks 11 through oil pipes 13.

[0050] In this embodiment, the jack 11 uses hydraulic oil to support the load. The one-to-two oil pump 12 is a one-to-two electric oil pump, which can provide power source for the jack 11, can simultaneously meet the synchronous operation of two sets of jacks 11, adopts IP54 protection level, and has high safety; the oil pipe 13 adopts a multi-layer metal composite ultra-high pressure special oil pipe, the working pressure can reach 700bar, the safety factor is more than 2.5 times, and the safety factor is high. In addition, the pipe joints used for equipment connection all adopt international general specification ultra-high pressure hydraulic joints.

[0051] As shown in Figure 6 Optionally, the metro vehicle bogie spring adjusting and jacking tool further comprises:

[0052] The moving trolley module 3 is used to carry the jacking module 1 and the supporting module 2.

[0053] In this embodiment, the moving trolley module 3 comprises:

[0054] The bottom frame 31 is used to place the jacking module 1 and the supporting module 2 on the upper surface of the bottom frame 31;

[0055] A plurality of universal wheels 32 are rotationally connected to the bottom frame 31.

[0056] The hand pushing handle 33 is connected to the bottom frame 31.

[0057] Specifically, the moving trolley module 3 can freely push the tool in any direction.

[0058] Optionally, the moving trolley module 3 further comprises:

[0059] The stopper 34 can be extended downward to contact the ground and can be retracted upward to disengage from the ground.

[0060] Specifically, the stopper 34 can facilitate the fixation of the moving trolley module 3, and the operation safety is high.

[0061] The use method of the metro vehicle bogie spring adjusting and jacking tool in this embodiment is as follows:

[0062] Place the jacking module 1 and the supporting module 2 on the moving trolley module 3, and move them to the side of the bogie to be adjusted;

[0063] Lift the supporting module 2 to the height of the primary spring 41, insert the latch into the positioning hole 26 and clamp on the upper part of the primary spring 41, so that the supporting module 2 is suspended on the bogie 4;

[0064] Place a pair of jacks 11 under the supporting module 2, control the pair of jacks 11 to be lifted synchronously, and lift the primary spring 41.

[0065] After the primary spring 41 is lifted, add or subtract the shims.

[0066] After the adjustment, the control of a pair of jack 11 synchronous descent, remove the support module 2, complete a series of spring 41 adjustment work.

[0067] The above has described the various embodiments of the present application, the above description is exemplary, not exhaustive, and also not limited to the disclosed embodiments. Without deviating from the scope and spirit of the described embodiments, many modifications and changes are obvious to those skilled in the art.

Claims

1. A metro vehicle bogie spring adjusting jacking tool, characterized in that, Comprising: a jacking module (1) comprising a pair of jacking parts acting synchronously; a support module (2) provided with a pair of support parts (21) on the upper surface, the pair of support parts (21) being provided with a first height difference corresponding to the height difference of a pair of primary springs (41) of a bogie (4), the upper surface of the support module (2) being further provided with a pair of suspension parts (24) for detachable connection with a pair of axle box bodies (42) of the bogie (4), the pair of suspension parts (24) being provided with a second height difference corresponding to the height difference of the pair of axle box bodies (42).

2. The bogie spring adjusting jacking tool for metro vehicles according to claim 1, characterized in that: the support module (2) comprises a base (22), and the pair of support parts (21) and the pair of suspension parts (24) are arranged on the upper surface of the base (22).

3. The bogie spring adjusting jacking tool for metro vehicles according to claim 1, characterized in that: the support module (2) is provided with a pair of handles (23) at both ends.

4. The bogie spring adjusting jacking tool for metro vehicles according to claim 2, characterized in that: one end of the pair of suspension parts (24) is fixedly connected with the base (22), and the other end of the pair of suspension parts (24) is used for detachable connection with the pair of axle box bodies (42) of the bogie (4).

5. The bogie spring adjusting jacking tool for metro vehicles according to claim 4, characterized in that: the other end of the suspension part (24) is provided with a U-shaped part (25), and a pair of side walls of the U-shaped part (25) are provided with a pair of positioning holes (26), and a pair of bolts are arranged in the pair of positioning holes (26).

6. The bogie spring adjusting jacking tool for metro vehicles according to claim 1, characterized in that: the jacking part is a jack (11); the jacking module (1) further comprises a one-to-two oil pump (12) connected with the pair of jacks (11) through oil pipes (13).

7. The metro vehicle bogie spring adjusting jacking tool according to claim 1, characterized in that, Further comprising: a mobile trolley module (3) used for carrying the jacking module (1) and the support module (2).

8. The metro vehicle bogie spring adjusting jacking tool according to claim 7, characterized in that, The mobile trolley module (3) comprises: a chassis (31) used for placing the jacking module (1) and the support module (2) on the upper surface; a plurality of universal wheels (32) rotatably connected to the chassis (31).

9. The metro vehicle bogie spring adjusting jacking tool according to claim 8, characterized in that, The mobile trolley module (3) further comprises: a hand-pushing handrail (33) connected to the chassis (31).

10. The subway vehicle bogie spring adjusting jacking tool according to claim 8, characterized in that, The mobile trolley module (3) further comprises: a stopper (34) capable of extending downward to contact the ground and retracting upward to disengage from the ground.