Reset device, bogie and vehicle

By installing a reset device on the bogie, the brake beam can be automatically reset using connecting ropes and transmission structure, which solves the problem of increased friction caused by rust and impurities in the slide groove, and improves the service life of the brake shoes and wheels.

CN223803570UActive Publication Date: 2026-01-16CRRC QIQIHAR ROLLING CO LTD +1
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Patent Information

Application Number
CN202520110093.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-16
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The sliding grooves of railway freight car bogies are susceptible to rust or accumulation of impurities due to environmental factors, which increases the friction of the braking device, making it unable to recover from the braking state, causing abnormal wear of the brake shoes and wheels, and affecting service life.

Method used

A reset device is installed on the bogie, including a mounting cylinder, a connector, and a moving part. The brake beam is automatically reset via a connecting rope and a transmission structure. The weight of the moving part drives the brake beam back to the driving state, thus avoiding increased friction.

Benefits of technology

This effectively prevents the brake beam from being in a braking state for extended periods, reducing abnormal wear on the brake shoes and wheels and extending their service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a resetting device, a bogie and a vehicle, the resetting device comprises a mounting cylinder arranged on the bogie, the mounting cylinder extends along the vertical direction, and a containing cavity is arranged in the mounting cylinder; the first end of the connecting piece is arranged on a brake beam of the bogie; and the moving part is movably arranged in the containing cavity, the second end of the connecting part is connected with the moving part, and when the brake beam is switched to the running state from the braking state, the moving part moves downwards in the containing cavity so as to drive the brake beam of the bogie to restore to the running state. By means of the technical scheme, the problems that in the related technology, a sliding groove in a side frame is affected by the environment, rusting, impurities and the like occur, and then the braking device cannot be recovered from the braking state to the running state due to the influence of increased friction force, and the service life of the braking device is affected can be solved. The service life of the wheel and the brake shoe is influenced by abnormal abrasion between the brake shoe and the wheel.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway wagon technical field, specifically, relate to a reset device, bogie and vehicle. BACKGROUND

[0002] The bogie is one of the key components of the railway wagon, which not only ensures the vehicle to travel smoothly and flexibly along the rail and pass through the curve, but also bears various static and dynamic loads from the vehicle body and the track, and effectively reduces the mutual impact between the vehicle body and the rail and the vibration of the vehicle.

[0003] In the related art, the railway wagon bogie basically adopts a lever type basic brake device, which mainly relies on the component force of the gravity of the brake device on the side frame sliding groove slope and the vibration in the running process to provide the relief force. The relief force of the railway wagon generally refers to the force required to recover from the braking state to the normal running state after the railway wagon is braked, which can ensure that the train can run smoothly after braking.

[0004] However, in the related art, the component force of the gravity of the brake device on the side frame sliding groove slope is utilized, and then the brake device is reset by the component force along the side frame sliding groove. The sliding groove on the side frame is affected by the environment, which may be rusty, have impurities, etc. Thus, the brake device cannot be recovered from the braking state to the running state due to the increased friction force, which may cause abnormal wear between the brake shoe and the wheel, affecting the service life of the wheel and the brake shoe. SUMMARY

[0005] The utility model provides a reset device, bogie and vehicle to solve the problem that the sliding groove on the side frame in the related art is affected by the environment, which may be rusty, have impurities, etc. Thus, the brake device cannot be recovered from the braking state to the running state due to the increased friction force, which may cause abnormal wear between the brake shoe and the wheel, affecting the service life of the wheel and the brake shoe.

[0006] According to one aspect of the utility model, a reset device is provided, which is arranged on a bogie. The reset device comprises: a mounting cylinder arranged on the bogie, the mounting cylinder extending vertically, and the mounting cylinder having a receiving cavity therein; a connecting member, a first end of the connecting member being arranged on a brake beam of the bogie; and a moving member movably arranged in the receiving cavity, a second end of the connecting member being connected to the moving member. When the brake beam is switched from a braking state to a running state, the moving member moves downward in the receiving cavity to drive the brake beam of the bogie to return to the running state.

[0007] Further, the connecting member comprises a connecting rope, and a transmission structure is arranged on the bogie. The connecting rope is arranged on the transmission structure so as to slide on the transmission structure.

[0008] Further, the transmission structure comprises a support rod, a first end of the support rod is arranged on the side frame of the bogie, a second end of the support rod is arranged to extend away from the side frame, and the connecting rope is arranged on the side wall of the support rod.

[0009] Further, the support rod comprises a first rod segment and a second rod segment, the first rod segment is arranged to extend vertically, a first end of the first rod segment is connected with the side frame, a second end of the first rod segment is connected with a first end of the second rod segment, the second rod segment is arranged to extend horizontally, a second end of the second rod segment is arranged to extend away from the side frame, and the connecting rope is arranged on the side wall of the second rod segment.

[0010] Further, the second rod segment can swing relative to the side frame with the first end of the first rod segment as a swing center and be fixed at a preset position, and / or the first end of the first rod segment is further provided with a circular seat connected with the side frame.

[0011] Further, the transmission structure further comprises a sleeve, the sleeve is rotatably sleeved on the second rod segment, the sleeve comprises a first sleeve segment, a second sleeve segment and a third sleeve segment connected in sequence, the diameter size of the first sleeve segment is the same as that of the third sleeve segment, and the diameter size of the first sleeve segment and the third sleeve segment is greater than that of the second sleeve segment, the connecting rope is arranged on the second sleeve segment, and the second end of the second rod segment is provided with a limiting structure to limit the sleeve.

[0012] Further, the limiting structure comprises a pin shaft and a split pin, the second end of the second rod segment is provided with a through hole, the pin shaft is arranged on the through hole, the pin shaft is provided with a mounting hole, and the split pin is arranged on the mounting hole to limit the sleeve on the second rod segment.

[0013] Further, the moving piece comprises a mass block, an upper end of the mass block is provided with a mounting ring, an upper end of the mounting cylinder is provided with an opening through which the mounting ring passes, and the second end of the connecting piece is fixed on the mounting ring; the sleeve is made of nylon material.

[0014] According to another aspect of the present application, a bogie is provided.

[0015] According to still another aspect of the present application, a vehicle is provided, which comprises: a vehicle body; a bogie arranged on the vehicle body, the bogie being the bogie provided above.

[0016] The technical scheme of the utility model discloses reset device includes installation cylinder, connecting piece and moving piece, through setting installation cylinder on bogie, can fix installation cylinder, installation cylinder has the accommodating cavity extending along the vertical direction, moving piece movably sets in the accommodating cavity, the first end of connecting piece sets on the brake beam of bogie, the second end of connecting piece is connected with moving piece, when brake beam is in the braking state, brake beam drives moving piece to move to the upper end of accommodating cavity, when brake beam switches from the braking state to the running state, can drive brake beam to reset when moving piece moves from the upper end to the lower end of accommodating cavity, can guarantee brake beam to reset under the action of moving piece, thereby avoiding brake beam being in the braking state all the time, leading to abnormal wear of brake shoe and wheel. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which form a part of this specification, are included to provide a further understanding of the utility model and are incorporated herein by reference. The utility model is illustrated by the accompanying drawings and the description given herein and constitutes part of the utility model. In the drawings:

[0018] Figure 1 Fig. 1 shows a schematic view of the reset device according to an embodiment of the utility model mounted on a side frame;

[0019] Figure 2 Fig. 2 shows a schematic view of the reset device according to an embodiment of the utility model mounted on a side frame from another perspective;

[0020] Figure 3 Fig. 3 shows a schematic view of the structure of the reset device according to an embodiment of the utility model;

[0021] Figure 4 Fig. 4 shows an exploded view of the reset device according to an embodiment of the utility model.

[0022] In the above drawings, the following reference signs are used:

[0023] 10, installation cylinder; 11, accommodating cavity;

[0024] 20, connecting piece; 21, connecting rope;

[0025] 30, moving piece; 31, mass block; 32, mounting ring;

[0026] 40, transmission structure; 41, support rod; 411, first rod segment; 412, second rod segment; 413, round seat; 42, sleeve; 421, first cylinder segment; 422, second cylinder segment; 423, third cylinder segment;

[0027] 50, limit structure; 51, pin shaft; 52, cotter pin. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0029] As shown in the drawings, Figures 1 to 4 The present application provides a reset device, which is arranged on a bogie. The reset device comprises a mounting cylinder 10, a connecting piece 20 and a moving piece 30. The mounting cylinder 10 is arranged on the bogie and extends vertically. The mounting cylinder 10 has a receiving cavity 11. The first end of the connecting piece 20 is arranged on the brake beam of the bogie. The moving piece 30 is movably arranged in the receiving cavity 11. The second end of the connecting piece 20 is connected with the moving piece 30. When the brake beam is switched from the braking state to the running state, the moving piece 30 moves downward in the receiving cavity 11 to drive the brake beam of the bogie to return to the running state.

[0030] The reset device comprises a mounting cylinder 10, a connecting piece 20 and a moving piece 30. The mounting cylinder 10 is arranged on the bogie, so that the mounting cylinder 10 can be fixed. The mounting cylinder 10 has a receiving cavity 11 extending vertically. The moving piece 30 is movably arranged in the receiving cavity 11. The first end of the connecting piece 20 is arranged on the brake beam of the bogie. The second end of the connecting piece 20 is connected with the moving piece 30. When the brake beam is in the braking state, the brake beam drives the moving piece 30 to move to the upper end of the receiving cavity 11 in the receiving cavity 11. When the brake beam is switched from the braking state to the running state, the moving piece 30 can be moved from the upper end to the lower end of the receiving cavity 11 to drive the brake beam to reset. Thus, the brake beam can be reset under the action of the moving piece 30, so that the service life of the brake shoe and the wheel can be prolonged.

[0031] As shown in the drawings, Figures 1 to 4As shown in the drawings, the connecting piece 20 comprises a connecting rope 21, the bogie is provided with a transmission structure 40, and the connecting rope 21 is arranged on the transmission structure 40 so as to slide on the transmission structure 40. By arranging the connecting rope 21 on the transmission structure 40, the connecting rope 21 can slide under the action of the transmission structure 40, and the moving piece 30 can be conveniently reset in the accommodating cavity 11 of the mounting cylinder 10.

[0032] As shown in the drawings, Figure 3 and Figure 4 The transmission structure 40 comprises a support rod 41, the first end of the support rod 41 is arranged on the side frame of the bogie, the second end of the support rod 41 extends away from the side frame, and the connecting rope 21 is arranged on the side wall of the support rod 41. By arranging the first end of the support rod 41 on the side frame of the bogie, arranging the second end of the support rod 41 to extend away from the side frame, and arranging the connecting rope 21 on the support rod 41, the connecting rope 21 can slide on the support rod 41 when the moving piece 30 moves, and the stable sliding of the moving piece 30 in the accommodating cavity 11 is ensured.

[0033] As shown in the drawings, Figure 3 and Figure 4 The support rod 41 comprises a first rod segment 411 and a second rod segment 412, the first rod segment 411 extends vertically, the first end of the first rod segment 411 is connected with the side frame, the second end of the first rod segment 411 is connected with the first end of the second rod segment 412, the second rod segment 412 extends horizontally, the second end of the second rod segment 412 extends away from the side frame, and the connecting rope 21 is arranged on the side wall of the second rod segment 412. By arranging the first end of the first rod segment 411 on the side frame, connecting the second end of the first rod segment 411 with the first end of the second rod segment 412, and arranging the second end of the second rod segment 412 to extend away from the side frame, the connecting rope 21 can slide on the second rod segment 412, the moving piece 30 and the mounting cylinder 10 will not interfere with the side frame, the support rod 41 can be installed and fixed, and the connecting rope 21 can slide on the second rod segment 412.

[0034] In the embodiment, the second rod segment 412 can swing relative to the side frame with the first end of the first rod segment 411 as the swing center and be fixed at a preset position. By adopting the above structure, the position of the support rod 41 can be adjusted, and the adjusted support rod 41 can be fixed at the preset position.

[0035] As shown in the drawings, Figure 3 and Figure 4As shown, the first end of the first rod segment 411 is further provided with a circular seat 413 connected with the side frame. With the above structure, the circular seat 413 is arranged to increase the stress area of the first rod segment 411, thereby ensuring the stability of the structure of the first rod segment 411 connected with the side frame.

[0036] As shown in Figure 3 and Figure 4 The transmission structure 40 further includes a sleeve 42 rotatably sleeved on the second rod segment 412, the sleeve 42 includes a first sleeve segment 421, a second sleeve segment 422 and a third sleeve segment 423 connected in sequence, the diameter size of the first sleeve segment 421 is the same as that of the third sleeve segment 423, and the diameter size of the first sleeve segment 421 and the third sleeve segment 423 is greater than that of the second sleeve segment 422, the connecting rope 21 is arranged on the second sleeve segment 422, and the second end of the second rod segment 412 is provided with a limiting structure 50 for limiting the sleeve 42. With the above structure, the first sleeve segment 421, the second sleeve segment 422 and the third sleeve segment 423 are arranged, and since the diameter size of the first sleeve segment 421 is the same as that of the third sleeve segment 423, and the diameter size of the first sleeve segment 421 and the third sleeve segment 423 is greater than that of the second sleeve segment 422, the connecting rope 21 is arranged on the second sleeve segment 422, the first sleeve segment 421 and the third sleeve segment 423 limit the connecting rope 21, and the limiting structure 50 is arranged at the second end of the second rod segment 412 to limit the sleeve 42, thereby avoiding the sleeve 42 from being separated from the second rod segment 412.

[0037] As shown in Figure 3 and Figure 4 The limiting structure 50 includes a pin shaft 51 and a split pin 52, the second end of the second rod segment 412 has a through hole, the pin shaft 51 is arranged on the through hole, the pin shaft 51 has a mounting hole, and the split pin 52 is arranged on the mounting hole to limit the sleeve 42 on the second rod segment 412. With the above structure, the pin shaft is arranged on the through hole, and the split pin is arranged on the pin shaft, thereby limiting the sleeve 42, and facilitating installation and disassembly.

[0038] As shown in Figure 3As shown, the moving piece 30 comprises a mass block 31, the upper end of the mass block 31 is provided with a mounting ring 32, the upper end of the mounting cylinder 10 is provided with an opening for the mounting ring 32 to pass out, and the second end of the connecting piece 20 is fixed on the mounting ring 32. With the above structure, the mounting ring 32 is arranged on the mass block 31, the second end of the connecting piece 20 is connected with the mounting ring 32, and a force along the inclined surface is exerted on the brake beam by the gravity of the mass block 31 itself, so that the brake beam can be reset under the action of the mass block 31, avoiding that the slide groove on the side frame is difficult to reset due to environmental influence, and the force of the brake beam itself cannot reset, so the gravity of the mass block can exert a resetting force along the direction of the slide groove, so that the brake beam can be switched from the braking state to the running state.

[0039] In the embodiment, the sleeve 42 is made of nylon material. The mounting cylinder 10 is made of nylon material, so that the sleeve 42 is wear-resistant and avoids damage.

[0040] As shown in Figure 4 and Figures 1 to 4 Figure 1 Figure 2 Another embodiment of the utility model provides a bogie, the bogie comprises the reset device provided above. Adopting the above structure, the reset device is arranged on the bogie, so that the brake beam of the bogie can be reset, avoiding the wear of the brake shoe and the wheel, and improving the service life of the brake shoe and the wheel.

[0041] Still another embodiment of the utility model provides a vehicle, the vehicle comprises a vehicle body and a bogie, the bogie is arranged on the vehicle body, and the bogie is the bogie provided above. Adopting the above structure, the wear of the wheel and the brake shoe can be avoided, and the stable operation of the vehicle can be ensured.

[0042] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0043] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many variations in the light of specific circumstances and / or material or workpiece shapes. Such examples, while indicating preferred embodiments, are not intended to limit or restrict the various concepts taught herein. It will be appreciated that the dimensions of the parts shown in the drawings are not necessarily to scale, and have been shown as such for illustrative purposes only. Techniques, methods, and apparatus known to those of ordinary skill in the art can not be discussed in detail, but are contemplated as being part of the specification, where appropriate. In all examples shown and discussed herein, any specific values are to be interpreted as merely illustrative of the examples, and not as a limitation thereon. Thus, other examples of the exemplary embodiments can have different values. It is noted that like references and labels can be used to denote like items throughout the drawings, and thus, once an item is defined in one drawing, it is not necessary to further discuss it in further detail in other drawings.

[0044] In the description of the present application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0045] For the convenience of description, spatial relative terms such as "above", "upper", "on", "top", "bottom", etc. can be used herein to describe the spatial relationship of one device or feature to other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "on" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0046] In addition, it needs to be explained that the use of "first", "second" and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore, it cannot be understood as a limitation on the protection scope of the present application.

[0047] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A resetting device provided on a bogie, characterized by, The reset device comprises: a mounting cylinder (10) arranged on the bogie, the mounting cylinder (10) extending vertically, and the mounting cylinder (10) having a containing cavity (11) therein; a connecting piece (20), a first end of the connecting piece (20) being arranged on a brake beam of the bogie; a moving piece (30) movably arranged in the containing cavity (11), a second end of the connecting piece (20) being connected with the moving piece (30), when the brake beam is switched from a braking state to a running state, the moving piece (30) moves downward in the containing cavity (11) to drive the brake beam of the bogie to return to the running state.

2. The reset device of claim 1, wherein The connecting piece (20) comprises a connecting rope (21), a transmission structure (40) is arranged on the bogie, and the connecting rope (21) is arranged on the transmission structure (40) to enable the connecting rope (21) to slide on the transmission structure (40).

3. The reset device of claim 2, wherein The transmission structure (40) comprises a support rod (41), a first end of the support rod (41) is arranged on a side frame of the bogie, a second end of the support rod (41) extends away from the side frame, and the connecting rope (21) is arranged on a side wall of the support rod (41).

4. The reset device of claim 3, wherein The support rod (41) comprises a first rod segment (411) and a second rod segment (412), the first rod segment (411) extends vertically, a first end of the first rod segment (411) is connected with the side frame, a second end of the first rod segment (411) is connected with a first end of the second rod segment (412), the second rod segment (412) extends horizontally, a second end of the second rod segment (412) extends away from the side frame, and the connecting rope (21) is arranged on a side wall of the second rod segment (412).

5. The reset device according to claim 4, wherein the second rod segment (412) is capable of swinging relative to the side frame with the first end of the first rod segment (411) as a swinging center and is fixed at a preset position; and / or the first end of the first rod segment (411) is further provided with a circular seat (413) connected with the side frame.

6. The reset device of claim 4, wherein The transmission structure (40) further comprises a sleeve (42), the sleeve (42) is rotatably sleeved on the second rod segment (412), the sleeve (42) comprises a first sleeve segment (421), a second sleeve segment (422) and a third sleeve segment (423) connected in sequence, the diameter of the first sleeve segment (421) is the same as the diameter of the third sleeve segment (423), and the diameters of the first sleeve segment (421) and the third sleeve segment (423) are both larger than the diameter of the second sleeve segment (422), the connecting rope (21) is arranged on the second sleeve segment (422), and the second end of the second rod segment (412) is provided with a limiting structure (50) for limiting the sleeve (42).

7. The reset device of claim 6, wherein The limiting structure (50) comprises a pin shaft (51) and an open pin (52), the second end of the second rod segment (412) has a through hole, the pin shaft (51) is arranged on the through hole, the pin shaft (51) has a mounting hole, and the open pin (52) is arranged on the mounting hole to limit the sleeve (42) on the second rod segment (412).

8. The reset device according to claim 6, characterized in that, The moving piece (30) comprises a mass block (31), the upper end of the mass block (31) is provided with a mounting ring (32), the upper end of the mounting cylinder (10) is provided with an opening for the mounting ring (32) to pass through, and the second end of the connecting piece (20) is fixed on the mounting ring (32). The sleeve (42) is made of nylon material.

9. A bogie, characterized by The bogie comprises the reset device according to any one of claims 1 to 8.

10. A vehicle characterized by comprising: The vehicle comprises: A vehicle body; A bogie arranged on the vehicle body, the bogie being the bogie according to claim 9.