Folding chassis and track grinding wagon

By using a folding chassis design and a quick-release structure, the problem of the large size of existing rail grinding vehicle chassis, which makes them inconvenient to transport, has been solved. This enables the rail grinding vehicle to be easily disassembled and assembled, thus improving maintenance efficiency.

CN223805360UActive Publication Date: 2026-01-16CNR BEIJING RAIL EQUIP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423073658.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2026-01-16
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing track grinding vehicle chassis is a single-piece design, which is large in size and inconvenient to move onto or off the track, affecting maintenance efficiency.

Method used

It adopts a folding chassis design, including a first chassis and a second chassis connected by a connecting component, which can fold towards the second chassis at the connection point. Combined with a quick-release structure, it is easy to disassemble and assemble.

Benefits of technology

This enables convenient handling and assembly of the rail grinding vehicle, reducing operation time and improving maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223805360U_ABST
    Figure CN223805360U_ABST
Patent Text Reader

Abstract

The embodiment of the utility model provides a folding chassis and a track grinding wagon, and relates to the technical field of track maintenance equipment. The folding chassis comprises a first chassis, a second chassis, a connecting assembly and a driving wheel. The first chassis and the second chassis are connected through a connecting assembly, and the first chassis can be folded towards the direction of the second chassis at the connecting assembly. The first chassis and the second chassis are each provided with a driving wheel corresponding to a railway track, and when the first chassis is unfolded relative to the second chassis, the driving wheels can be borne by the driving wheels. The chassis of the track grinding wagon can be folded, so that the chassis is convenient to move on a track and move off the track.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to track maintenance equipment technical field, specifically, relate to a folding chassis and track grinding car. BACKGROUND

[0002] Track grinding car is a kind of mechanical equipment specially used for railway track maintenance and repair, and the unevenness, wear, rust etc.

[0003] The chassis system of prior art is integrally designed, and the volume is large, which is inconvenient to carry on the track and off the track. UTILITARY MODEL

[0004] The utility model discloses a kind of folding chassis and track grinding car, which can realize the folding of track grinding car chassis, to facilitate carrying on the track and off the track.

[0005] The embodiment of the utility model can be realized as follows:

[0006] In the first aspect, the utility model provides a kind of folding chassis, including first chassis, second chassis, connecting component and drive wheel;

[0007] The first chassis and the second chassis are connected by the connecting component, and the first chassis can be folded in the direction of the second chassis at the connecting component;

[0008] The first chassis and the second chassis are both provided with drive wheel corresponding to railway track, when the first chassis is unfolded relative to the second chassis, the drive wheel can be carried in the drive wheel.

[0009] In optional implementation, the connecting component includes first hinged seat, second hinged seat and fixed component;

[0010] One end of the first chassis is provided with the first hinged seat, and one end of the second chassis is provided with the second hinged seat;

[0011] The first hinged seat and the second hinged seat are hinged one by one;

[0012] The fixed component is detachably mounted on the first hinged seat and the second hinged seat, and the fixed component can limit the rotation of the first hinged seat relative to the second hinged seat;

[0013] After removing the fixed component, the first hinged seat can rotate relative to the second hinged seat.

[0014] In an optional embodiment, the connecting assembly further comprises a hinge shaft, the bottom of the first hinge seat is provided with a first hinge lug, and the bottom of the second hinge seat is provided with a second hinge lug;

[0015] The first hinge lug is provided with a first hinge hole, and the second hinge lug is provided with a second hinge hole.

[0016] The hinge shaft is arranged in the first hinge hole and the second hinge hole.

[0017] In an optional embodiment, the hinge shaft is a quick release pin.

[0018] In an optional embodiment, the fixing assembly comprises a connecting plate and a plurality of pins;

[0019] The top of the first hinge seat is provided with two first lugs, the two first lugs are arranged in a spaced manner, and each of the first lugs is provided with a first insertion hole.

[0020] The top of the second hinge seat is provided with two second lugs, the two second lugs are arranged in a spaced manner, and each of the second lugs is provided with a second insertion hole.

[0021] The connecting plate is provided with a first insertion hole corresponding to the first insertion hole and a second insertion hole corresponding to the second insertion hole.

[0022] One end of the connecting plate is installed between the two first lugs, and the other end is installed between the two second lugs.

[0023] One pin is inserted into the first insertion hole from the first insertion hole, and one pin is inserted into the second insertion hole from the second insertion hole.

[0024] In an optional embodiment, the pin is a quick release pin.

[0025] In an optional embodiment, the fixing assembly comprises a buckle, one of the hook and the body of the buckle is installed on the first hinge seat, and the other is installed on the second hinge seat, and the body can be buckled on the hook.

[0026] In an optional embodiment, the first chassis comprises two first cross beams and two first longitudinal beams, the two first cross beams are arranged in a spaced and opposite manner, the two first longitudinal beams are arranged in a spaced and opposite manner, and the two ends of the two first longitudinal beams are connected with the two first longitudinal beams respectively to form a rectangular frame.

[0027] The second chassis comprises two second cross beams and two second longitudinal beams, the two second cross beams are arranged in a spaced and opposite manner, the two second longitudinal beams are arranged in a spaced and opposite manner, and the two ends of the two second longitudinal beams are connected with the two second longitudinal beams respectively to form a rectangular frame.

[0028] The same end of the two first cross beams is provided with a first hinge seat, and the same end of the two second cross beams is provided with a second hinge seat.

[0029] In an optional embodiment, the driving wheel comprises a mounting seat, a motor and a track wheel.

[0030] The mounting seat is mounted on the first chassis or the second chassis, the motor is mounted on the mounting seat, and the track wheel is mounted on an output shaft of the motor.

[0031] In a second aspect, the utility model provides a track grinding trolley, including polishing subassembly and the folding chassis of any preceding embodiment, polishing subassembly passes through quick release structure detachably installed on first chassis and second chassis.

[0032] The folding chassis and the track grinding trolley provided by the embodiments of the utility model have the following beneficial effects:

[0033] The folding chassis provided by the application comprises a first chassis and a second chassis, and the first chassis and the second chassis are connected through a connecting assembly, so that the first chassis can be folded towards the second chassis at the connecting assembly, and the volume is reduced after folding, so that the folding chassis is convenient to build on the track or move away from the track, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.

[0035] Figure 1 The structure diagram of the track grinding trolley provided by the embodiment is shown in the figure.

[0036] Figure 2 The structure diagram of the folding chassis provided by the embodiment is shown in the figure.

[0037] Figure 3 The structure diagram of the track grinding trolley provided by the embodiment is shown in the figure. Figure 2 The enlarged schematic diagram of A in the figure.

[0038] Figure 4 The structure diagram of the track grinding trolley provided by the embodiment is shown in the figure. Figure 2 The enlarged schematic diagram of B in the figure.

[0039] Icon: 100 - folding chassis; 110 - first chassis; 111 - first cross beam; 113 - first longitudinal beam; 130 - second chassis; 131 - second cross beam; 133 - second longitudinal beam; 150 - connecting assembly; 151 - first hinged seat; 152 - second hinged seat; 153 - fixing assembly; 154 - hinged shaft; 155 - first hinged lug; 156 - second hinged lug; 157 - second hinged hole; 158 - connecting plate; 159 - pin shaft; 161 - first lug; 162 - second lug; 163 - first insertion hole; 164 - second insertion hole; 165 - buckle; 170 - driving wheel; 171 - mounting seat; 173 - motor; 175 - track wheel; 300 - track grinding vehicle; 310 - grinding assembly; 330 - control cabinet. DETAILED DESCRIPTION

[0040] The existing railway generally adopts a fully enclosed mode, and there are many interference factors around. In the track maintenance process, in order to avoid the track vehicle, the track grinding vehicle needs to be moved away from the track, and after the track vehicle passes, the track grinding vehicle is put on the track. The existing track grinding vehicle is generally a whole structure, and the volume is large, which is not convenient to move on and off, and the operation time is limited.

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0042] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. 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 protection of the present application.

[0043] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0044] In the description of the utility model, it needs to be explained that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0045] In addition, if the terms "first", "second" and the like are used only to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0046] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.

[0047] Please refer to Figures 1 to 4 The embodiment provides a rail grinding car 300, which can be disassembled through modular design. In this way, when maintaining, the rail car is disassembled into various modules and carried down from the track when avoiding the rail car, and then the various modules are combined and built on the track after the avoidance is completed, so that the rail grinding car 300 can be better carried on the track and off the track.

[0048] In the embodiment, the rail grinding car 300 comprises a grinding assembly 310 and a folding chassis 100, and the grinding assembly 310 is detachably mounted on the folding chassis 100 through a quick release structure.

[0049] The embodiment connects the grinding assembly 310 and the folding chassis 100 through the quick release structure, so that the disassembly is facilitated when carrying. The quick release structure can be a quick release pin, a quick release bolt or the like.

[0050] The grinding assembly 310 can be a grinding assembly 310 in the form of a sand belt, or a grinding assembly 310 in the form of a grinding wheel. The application does not limit the specific structure of the grinding assembly 310, as long as it can achieve grinding of the steel rail.

[0051] After the grinding assembly 310 is disassembled, the size of the existing chassis in one direction needs to be greater than the distance between the two steel rails, and the size of the chassis is also relatively large, which is not convenient for transfer and carrying.

[0052] Please refer to Figures 1 to 4The embodiment also provides a folding chassis 100, which comprises a first chassis 110, a second chassis 130, a connecting assembly 150 and a driving wheel 170. The first chassis 110 and the second chassis 130 are connected through the connecting assembly 150, and the first chassis 110 can be folded towards the second chassis 130 at the connecting assembly 150. The first chassis 110 and the second chassis 130 are both provided with the driving wheel 170 corresponding to a railway track, and the driving wheel 170 can be carried when the first chassis 110 is unfolded relative to the second chassis 130.

[0053] The folding chassis 100 provided by the embodiment comprises the first chassis 110 and the second chassis 130, and the first chassis 110 and the second chassis 130 are connected through the connecting assembly 150, so that the first chassis 110 can be folded towards the second chassis 130 at the connecting assembly 150, and the size of the folding chassis 100 is reduced after being folded, thereby facilitating the folding chassis 100 to be built on the track or removed from the track, and the use is more convenient. Moreover, the folding chassis 100 can be conveniently transported.

[0054] In the embodiment, the connecting assembly 150 comprises a first hinge seat 151, a second hinge seat 152 and a fixing assembly 153. One end of the first chassis 110 is provided with the first hinge seat 151, and one end of the second chassis 130 is provided with the second hinge seat 152. The first hinge seat 151 and the second hinge seat 152 are hingedly connected in one-to-one correspondence. The fixing assembly 153 is detachably installed on the first hinge seat 151 and the second hinge seat 152, and the fixing assembly 153 can limit the rotation of the first hinge seat 151 relative to the second hinge seat 152. After the fixing assembly 153 is removed, the first hinge seat 151 can rotate relative to the second hinge seat 152.

[0055] The connecting assembly 150 is provided as the first hinge seat 151, the second hinge seat 152 and the fixing assembly 153 in the embodiment, so that the first chassis 110 and the second chassis 130 can be hingedly connected through the hingedly connected first hinge seat 151 and the second hinge seat 152, thereby facilitating the folding of the first chassis 110 and the second chassis 130. The size of the folding chassis 100 is reduced by half after being folded, thereby facilitating the transportation and transportation of the folding chassis 100. The fixing assembly 153 is arranged to facilitate the relative fixation of the first chassis 110 and the second chassis 130, thereby avoiding the relative rotation of the first chassis 110 and the second chassis 130.

[0056] In the embodiment, the connecting assembly 150 further comprises a hinge shaft 154, the bottom of the first hinge seat 151 is provided with a first hinge lug 155, and the bottom of the second hinge seat 152 is provided with a second hinge lug 156. The first hinge lug 155 is provided with a first hinge hole (not shown in the figure), and the second hinge lug 156 is provided with a second hinge hole 157. The hinge shaft 154 is arranged through the first hinge hole and the second hinge hole 157.

[0057] The first hinged lug 155 is arranged at the bottom of the first hinged seat 151, and the second hinged lug 156 is arranged at the bottom of the second hinged seat 152, so that the hinged shaft 154 is located at the bottom after being hinged, and the ends of the first bottom plate 110 and the second bottom plate 130 can bear more load under the condition of being forced from above.

[0058] Further, the first hinged lug 155 is inclined toward the side of the second hinged lug 156, and the second hinged lug 156 is inclined toward the side of the first hinged lug 155, so that the hinged points of the two are located at the joint of the first bottom plate 110 and the second bottom plate 130.

[0059] Please refer to Figures 1 to 4 In the embodiment, the hinged shaft 154 is a quick release pin. In the embodiment, the hinged shaft 154 is arranged as a quick release pin, so that the quick release pin can be quickly detached during transportation, and the first bottom plate 110 and the second bottom plate 130 are separated, so that the volume and mass are smaller and more convenient to transport. The quick release pin is also convenient to assemble.

[0060] Please refer to Figures 1 to 4 In the embodiment, the fixing assembly 153 includes a connecting plate 158 and a plurality of pin shafts 159. The top of the first hinged seat 151 protrudes two first lugs 161, the two first lugs 161 are arranged at intervals, and the first lug 161 is provided with a first plug hole 163. The top of the second hinged seat 152 protrudes two second lugs 162, the two second lugs 162 are arranged at intervals, and the second lug 162 is provided with a second plug hole 164. The connecting plate 158 is provided with a first plug hole (not shown in the figure) corresponding to the first plug hole 163 and a second plug hole (not shown in the figure) corresponding to the second plug hole 164. One end of the connecting plate 158 is installed between the two first lugs 161, and the other end is installed between the two second lugs 162. One of the pin shafts 159 is inserted into the first plug hole by the first plug hole 163, and one of the pin shafts 159 is inserted into the second plug hole by the second plug hole 164.

[0061] In the embodiment, the fixing assembly 153 is arranged as the connecting plate 158 and the plurality of pin shafts 159, so that the structure and cost are lower. The connecting plate 158 has better support performance after being installed.

[0062] In the embodiment, the connecting plate 158 is a channel steel. The pin shaft 159 is a quick release pin.

[0063] The pin shaft 159 is also arranged as a quick release pin, so that the structure is convenient to disassemble and the cost is lower.

[0064] In the embodiment, the fixing assembly 153 includes a buckle 165, one of the hook and the buckle body of the buckle 165 is installed on the first hinged seat 151, and the other is installed on the second hinged seat 152, and the buckle body can be buckled on the hook.

[0065] The buckle 165 is arranged outside the first hinge seat 151 and the second hinge seat 152 to fix the first chassis 110 and the second chassis 130, so that the stability of the fixation can be improved.

[0066] Please refer to Figures 1 to 4 In the embodiment, the first chassis 110 includes two first cross beams 111 and two first longitudinal beams 113, the two first cross beams 111 are arranged oppositely and at intervals, the two first longitudinal beams 113 are arranged oppositely and at intervals, and the two ends of the two first longitudinal beams 113 are connected with the two first longitudinal beams 113 respectively to form a rectangular frame. The second chassis 130 includes two second cross beams 131 and two second longitudinal beams 133, the two second cross beams 131 are arranged oppositely and at intervals, the two second longitudinal beams 133 are arranged oppositely and at intervals, and the two ends of the two second longitudinal beams 133 are connected with the two second longitudinal beams 133 respectively to form a rectangular frame. The same end of the two first cross beams 111 is provided with the first hinge seat 151, and the same end of the two second cross beams 131 is provided with the second hinge seat 152.

[0067] In the embodiment, the driving wheel 170 includes a mounting seat 171, a motor 173 and a track wheel 175. The mounting seat 171 is mounted on the first chassis 110 or the second chassis 130, the motor 173 is mounted on the mounting seat 171, and the track wheel 175 is mounted on the output shaft of the motor 173.

[0068] In the embodiment, there are four driving wheels 170, one is arranged on the front of the first chassis 110, one is arranged on the back of the first chassis 110, one is arranged on the front of the second chassis 130, and one is arranged on the back of the second chassis 130. The two driving wheels 170 on the first chassis 110 correspond to one rail. The two driving wheels 170 on the second chassis 130 correspond to another rail.

[0069] Secondly, the structure carried on the folding chassis 100 is also modular, for example, the control cabinet 330 and the polishing assembly 310 arranged modularly can be detached from the folding chassis 100 respectively.

[0070] In summary, the folding chassis 100 and the rail polishing vehicle 300 provided by the application have the following advantages. The folding chassis 100 is arranged as the first chassis 110 and the second chassis 130, the first chassis 110 and the second chassis 130 are connected through the connecting assembly 150, so that the first chassis 110 can be folded towards the second chassis 130 at the connecting assembly 150, and the volume is reduced after folding, so that the folding chassis 100 can be built on the rail or removed from the rail, and the use is more convenient.

[0071] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A folding tray characterized by, The utility model relates to a railway vehicle, which comprises a first chassis (110), a second chassis (130), a connecting assembly (150) and a driving wheel (170). The first chassis (110) and the second chassis (130) are connected by the connecting assembly (150), and the first chassis (110) can be folded towards the second chassis (130) at the connecting assembly (150). The first chassis (110) and the second chassis (130) are each provided with a driving wheel (170) corresponding to a railway track, and the driving wheel (170) can be carried when the first chassis (110) is unfolded relative to the second chassis (130).

2. The folding tray table according to claim 1, wherein, The connecting assembly (150) comprises a first hinged seat (151), a second hinged seat (152) and a fixing assembly (153). One end of the first chassis (110) is provided with the first hinged seat (151), and one end of the second chassis (130) is provided with the second hinged seat (152). The first hinged seat (151) and the second hinged seat (152) are hinged one by one. The fixing assembly (153) is detachably mounted on the first hinged seat (151) and the second hinged seat (152), and the fixing assembly (153) can limit the rotation of the first hinged seat (151) relative to the second hinged seat (152). After the fixing assembly (153) is removed, the first hinged seat (151) can rotate relative to the second hinged seat (152).

3. The folding tray table according to claim 2, wherein, The connecting assembly (150) further comprises a hinged shaft (154), the bottom of the first hinged seat (151) is provided with a first hinged lug (155), and the bottom of the second hinged seat (152) is provided with a second hinged lug (156). The first hinged lug (155) is provided with a first hinged hole, and the second hinged lug (156) is provided with a second hinged hole (157). The hinged shaft (154) is arranged in the first hinged hole and the second hinged hole (157).

4. The folding tray table according to claim 3, wherein, The hinged shaft (154) is a quick release pin.

5. The folding tray table as defined in any one of claims 2-4, wherein, The fixing assembly (153) comprises a connecting plate (158) and a plurality of pin shafts (159). The top of the first hinged seat (151) is provided with two first lugs (161), and the two first lugs (161) are arranged at intervals, and the first lugs (161) are each provided with a first plug hole (163). The top of the second hinged seat (152) is provided with two second lugs (162), and the two second lugs (162) are arranged at intervals, and the second lugs (162) are each provided with a second plug hole (164). The connecting plate (158) is provided with a first plug hole corresponding to the first plug hole (163) and a second plug hole corresponding to the second plug hole (164). One end of the connecting plate (158) is mounted between the two first lugs (161), and the other end is mounted between the two second lugs (162). One pin shaft (159) is inserted into the first insertion hole through the first insertion hole (163), and one pin shaft (159) is inserted into the second insertion hole through the second insertion hole (164).

6. The folding tray table according to claim 5, wherein, The pin shaft (159) is a quick release pin.

7. The folding tray table as defined in any one of claims 2-4, wherein, The fixing assembly (153) comprises a buckle (165), one of the hook and the buckle body of the buckle (165) is installed on the first hinge seat (151), and the other is installed on the second hinge seat (152), and the buckle body can be buckled on the hook.

8. The folding tray table as defined in any one of claims 2-4, wherein, The first bottom plate (110) comprises two first cross beams (111) and two first longitudinal beams (113), the two first cross beams (111) are oppositely and spacedly arranged, the two first longitudinal beams (113) are oppositely and spacedly arranged, and the two ends of the two first longitudinal beams (113) are connected with the two first longitudinal beams (113) respectively to form a rectangular frame. The second bottom plate (130) comprises two second cross beams (131) and two second longitudinal beams (133), the two second cross beams (131) are oppositely and spacedly arranged, the two second longitudinal beams (133) are oppositely and spacedly arranged, and the two ends of the two second longitudinal beams (133) are connected with the two second longitudinal beams (133) respectively to form a rectangular frame. The same end of the two first cross beams (111) is provided with a first hinge seat (151), and the same end of the two second cross beams (131) is provided with a second hinge seat (152).

9. The folding tray table as defined in any one of claims 1-4, wherein, The driving wheel (170) comprises a mounting seat (171), a motor (173) and a track wheel (175). The mounting seat (171) is installed on the first bottom plate (110) or the second bottom plate (130), the motor (173) is installed on the mounting seat (171), and the track wheel (175) is installed on the output shaft of the motor (173).

10. A rail grinder characterized by, The folding bottom plate comprises a polishing assembly (310) and the folding bottom plate of any one of claims 1-9, the polishing assembly (310) is detachably installed on the first bottom plate (110) and the second bottom plate (130) through a quick release structure.