CN212373362U

CN212373362U - Suspender stopping structure and vehicle underframe with same

Info

Publication number: CN212373362U
Application number: CN202021150947.8U
Authority: CN
Inventors: 门见强; 宋树亮; 张雄飞; 侯建文; 祁子泷
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-19
Anticipated expiration: 2030-06-19

Abstract

The utility model provides a jib backstop structure and have its vehicle chassis. Jib backstop structure for prevent that the jib on the gear box breaks the back and takes place to interfere with the track, jib backstop structure includes: and the stop seat is arranged on the gear box so as to stop the fractured end of the suspender to fall freely after the suspender is fractured. The utility model discloses a jib backstop structure has solved the jib among the prior art and has dropped the problem that influences driving safety.

Description

Suspender stopping structure and vehicle underframe with same

Technical Field

The utility model relates to the technical field of tracks, particularly, relate to a jib backstop structure and have its vehicle chassis.

Background

In the traditional driving system of rail transit, the framework side is provided with the gear box safety support, and when the gear box suspender breaks or the suspender bolt loosens, the gear box safety nose drops on the gear box safety support, so that the gear box can be effectively prevented from dropping on the rail.

However, when the gearbox suspender in the prior art is broken, although the gearbox can be prevented from falling, the suspender of the gearbox is easy to rotate or fall onto a track, and the driving safety is seriously affected.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a suspension rod stopping structure and a vehicle chassis having the same, so as to solve the problem that the suspension rod in the prior art drops and affects the driving safety.

In order to achieve the above object, according to an aspect of the present invention, there is provided a suspension rod stopping structure for preventing interference with a rail after a suspension rod on a gear box is broken, the suspension rod stopping structure comprising: and the stop seat is arranged on the gear box so as to stop the fractured end of the suspender to fall freely after the suspender is fractured.

Further, the stop seat is detachably connected with the gear box.

Further, one end of the suspender is hinged with the gear box, and the stopping seat comprises: and the stop plate is arranged below the suspender so as to limit the suspender to rotate downwards when the broken end of the suspender rotates relative to the end of the suspender, which is hinged with the gearbox.

Further, the stopper seat further includes: and the connecting assembly is connected with the gear box and is also connected with the stop plate so as to fix the stop plate on the gear box.

Further, the connection assembly includes: the first connecting plate and the second connecting plate are respectively arranged on two opposite sides of the suspender and are respectively connected with the gear box and the stop plate; wherein, first connecting plate, backstop board, second connecting plate and gear box are connected in order to enclose into spacing chamber for the restriction jib rotates.

Further, the backstop seat is the U-shaped board.

According to the utility model discloses an on the other hand provides a vehicle chassis, including framework, gear box and jib, jib one end is connected with the framework, and the other end of jib is articulated with the gear box, and vehicle chassis still includes: the suspender stopping structure is arranged on the gear box and is the suspender stopping structure.

Further, a mounting hole is formed in the stopping seat of the suspender stopping structure, and the vehicle underframe further comprises a bolt assembly which penetrates through the mounting hole to fix the stopping seat on the gear box.

Further, the vehicle underframe also comprises a locking pad assembly, and the locking pad assembly is connected with the bolt assembly so as to limit the rotation of the bolt assembly after the stop seat is fixed on the gear box by the bolt assembly.

Further, the vehicle chassis further includes: the gear box support is arranged at least partially at the bottom of the gear box so that the gear box can fall on the gear box support when the gear box falls off.

Use the technical scheme of the utility model the jib backstop structure mainly use on rail vehicle's chassis, this jib backstop structure sets up in jib lower one end in the vehicle height direction, after the jib fracture, the jib fracture is in the effect of gravity and rotates and the free fall around the one end that jib and gear box are connected down, at this moment, jib backstop structure can backstop jib and rotate downwards, prevents to take place the motion with track or other structures after the jib free droop and interferes, guarantees rail vehicle normal operating.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of an embodiment of the present invention in which a boom stop is connected to a gearbox;

FIG. 2 is a schematic view of a boom stop and gearbox embodiment of the present invention in a non-fractured relationship;

FIG. 3 is a schematic view of a boom stop and gear box embodiment of the present invention in a boom fracture position;

fig. 4 is a schematic view showing the positional relationship of the frame, the boom, and the gear case when the boom of the present invention is not broken.

Wherein the figures include the following reference numerals:

10. a stop seat; 11. a stopper plate; 12. a first connecting plate; 13. a second connecting plate; 14. mounting holes; 20. a boom; 30. a gear case; 40. a frame; 50. a bolt assembly; 60. a locking pad assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to solve the problem that the rail vehicle among the prior art goes up 20 fracture backs of jib and drops and arouse driving safety, the utility model provides a jib backstop structure.

Referring to fig. 1 to 4, the boom stopping structure includes a stopping seat 10, and the stopping seat 10 is disposed on the gear housing 30 to stop the broken end of the boom 20 from freely falling after the boom 20 is broken.

The utility model discloses a jib backstop structure mainly uses on rail vehicle's chassis, and this jib backstop structure sets up in jib 20 lower one end in the vehicle height direction, and after jib 20 splits, 20 splits to be in the effect of gravity and rotates and the free fall around the one end that jib 20 is connected with gear box 30 down, and at this moment, jib backstop structure can backstop 20 downwardly rotating of jib, prevents to take place the motion with track or other structures after 20 free flagging and interferes, guarantees rail vehicle normal operating.

As shown in fig. 1, the stop block 10 is detachably connected to the gear housing 30 to facilitate the installation and removal.

As shown in fig. 2 and 3, one end of the boom 20 is hinged to the gear box 30, and the stopper seat 10 includes a stopper plate 11, and the stopper plate 11 is disposed below the boom 20 to restrict the boom 20 from rotating downward when the broken end of the boom 20 rotates relative to the end of the boom 20 hinged to the gear box 30.

Specifically, the suspension lever 20 is rotatably connected to the gear housing 30 via a rotation shaft, and the stop plate 11 is disposed below the connection position of the suspension lever 20 and the gear housing 30, so that the suspension lever 20 is dropped on the stop plate 11 when the suspension lever 20 is rotated downward, thereby preventing the suspension lever 20 from falling freely.

Alternatively, the stop plate 11 is a protrusion provided on the gear housing 30, which may be a rod or plate, etc., provided below the boom 20 to support the boom 20 when the boom 20 is rotated downward.

As shown in fig. 1, the stop block 10 further includes a connecting assembly connected to the gear box 30, and the connecting assembly is further connected to the stop plate 11 to fix the stop plate 11 to the gear box 30. Specifically, the connecting assembly comprises a first connecting plate 12 and a second connecting plate 13, wherein the first connecting plate 12 and the second connecting plate 13 are respectively arranged at two opposite sides of the suspension rod 20 and are respectively connected with the gear box 30 and the stop plate 11; wherein, the first connecting plate 12, the stop plate 11, the second connecting plate 13 and the gear box 30 are connected in sequence to enclose a limit cavity for limiting the rotation of the boom 20.

Specifically, the first connecting plate 12, the stop plate 11 and the second connecting plate 13 are vertically connected in sequence to enclose a semi-closed limiting space, the first connecting plate 12 and the second connecting plate 13 are respectively located at two sides of the connecting end of the suspension rod 20 and the gear box 30, and the stop plate 11 is located at the bottom of the connecting end of the suspension rod 20 and the gear box 30 to support the suspension rod 20 when the suspension rod 20 rotates downwards.

As shown in FIG. 1, the stop seat 10 is a U-shaped plate, the bottom of the U-shaped plate is located below the connecting position of the suspension rod 20 and the gear box 30, and the connecting position of the suspension rod 20 and the gear box 30 is located in a semi-closed limiting cavity enclosed by the U-shaped plate.

Alternatively, not shown, the U-shaped plate is fastened to the gear housing 30 to form a positioning hole with the gear housing 30, and the suspension rod 20 is inserted into the positioning hole. Preferably, the U-shaped plate is located near the end of the boom 20 that connects to the gear box 30.

As shown in fig. 2 and 3, the present invention provides a vehicle underframe, which comprises a frame 40, a gear box 30 and a boom 20, wherein one end of the boom 20 is connected with the frame 40, and the other end of the boom 20 is hinged with the gear box 30. The vehicle undercarriage further includes a boom stop structure disposed on the gear box 30, the boom stop structure being as described above.

The utility model discloses a vehicle chassis mainly uses on rail vehicle, causes the potential safety hazard of driving when preventing 20 fracture of jib, sets up a jib backstop structure on the chassis. In order to facilitate installation, the suspender stopping structure is fixed on the gear box 30, so that when the suspender 20 is broken, the suspender stopping structure can timely support the suspender 20 to prevent the suspender 20 from falling to cause potential safety hazards, and driving safety is guaranteed.

Further, the boom stopper structure is not limited to be provided on the gear case 30, and may be provided on other structures.

Alternatively, the stop structure may be disposed above the boom 20 and connected to the boom 20, and the boom stop structure may hold the boom 20 against downward rotation when the boom 20 is broken.

As shown in FIG. 1, the stop block 10 of the boom stop structure is provided with a mounting hole 14, and the vehicle underframe further comprises a bolt assembly 50, wherein the bolt assembly 50 passes through the mounting hole 14 to fix the stop block 10 on the gear box 30. The vehicle underframe further comprises a locking pad assembly 60, and the locking pad assembly 60 is connected with the bolt assembly 50 to limit the rotation of the bolt assembly 50 after the bolt assembly 50 fixes the stopper seat 10 on the gear box 30.

When the stop seat 10 is installed, the bolts of the pressure plate of the hanger rod 20 of the original gearbox 30 are disassembled, the safety stop is installed as shown in the position of figure 1, the parts to be replaced are bending anti-loosening pads (1 on the left and the right respectively) and M10 multiplied by 30 bolts (4 in total), the tightening torque is 39Nm, the anti-loosening pads are bent after the assembly is completed, and the anti-loosening effect is realized on the bolts.

Specifically, the one end setting of current jib 20 is inboard at two otic placodes of gear box 30, be equipped with the connecting hole on the otic placode, jib backstop structure is the U template, the outside at two otic placodes is wrapped at U template both ends, U template both sides are equipped with mounting hole 14 respectively, the bolt passes the connecting hole on mounting hole 14 and the otic placode in proper order, thereby fix backstop seat 10 on gear box 30, lead to backstop seat 10 to drop in order to prevent that the bolt is not hard up, be equipped with between bolt and backstop seat 10 and relax the pad, thereby prevent that the bolt is not hard up.

The vehicle undercarriage further comprises a gearbox mounting at least partially arranged at the bottom of the gearbox 30 for enabling the gearbox 30 to rest on the gearbox mounting when the gearbox 30 is removed.

The gear box support is arranged to ensure that the gear box 30 cannot directly fall onto a rail when falling, and safety accidents are caused.

When the boom 20 itself is not abnormal, the vehicle operates normally. When the hanger bar 20 cracks or even breaks, the gearbox 30 is securely riding on the bogie without the possibility of the gearbox 30 falling off. When the broken suspender 20 rotates downwards, the broken suspender cannot continue to move downwards when meeting the stop seat 10, and the broken suspender 20 cannot be put on a track, so that the driving safety is ensured.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the utility model discloses a jib backstop structure is through design a safe backstop seat 10 in the 20 lower parts of jib of gear box 30, can reform transform on the gear box 30 of existing vehicle, and needn't lift the car and change, can prevent effectively that the 20 fracture back jibs 20 of jib of gear box 30 from dropping the track on, even 20 fracture backs of jib 20 this moment, the train also can continue low-speed safe operation, and loopback safely to the train maintenance storehouse, has improved the operation fail safe nature of train.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A boom stop for preventing interference with a rail after a boom (20) on a gearbox (30) breaks, the boom stop comprising:

a stop seat (10), wherein the stop seat (10) is arranged on the gear box (30) to stop the broken end of the suspender (20) from freely falling after the suspender (20) is broken.

2. Boom stop construction according to claim 1, characterized in that the stop seat (10) is detachably connected with the gear box (30).

3. Boom stop construction according to claim 1, characterized in that one end of the boom (20) is hinged with the gear box (30), the stop seat (10) comprising:

a stop plate (11), wherein the stop plate (11) is arranged below the suspension rod (20) so as to limit the suspension rod (20) to rotate downwards when the broken end of the suspension rod (20) rotates relative to the end of the suspension rod (20) hinged with the gear box (30).

4. The boom stop structure according to claim 3, wherein the stop seat (10) further comprises:

a connection assembly connected with the gear box (30), the connection assembly further connected with the stop plate (11) to fix the stop plate (11) on the gear box (30).

5. The boom stop of claim 4, wherein the connection assembly comprises:

the first connecting plate (12) and the second connecting plate (13) are respectively arranged at two opposite sides of the suspension rod (20), and are respectively connected with the gear box (30) and the stop plate (11);

wherein the first connecting plate (12), the stop plate (11), the second connecting plate (13) and the gear box (30) are sequentially connected to enclose a limiting cavity for limiting the rotation of the suspension rod (20).

6. Boom stop construction according to claim 1, characterized in that the stop seat (10) is a U-shaped plate.

7. A vehicle undercarriage comprising a frame (40), a gearbox (30) and a boom (20), said boom (20) being connected at one end to said frame (40) and at the other end said boom (20) being articulated to said gearbox (30), characterized in that said vehicle undercarriage further comprises: a boom stop structure provided on the gear box (30), the boom stop structure being the boom stop structure of any one of claims 1 to 6.

8. The vehicle underframe of claim 7, wherein said stop seat (10) of said boom stop structure is provided with a mounting hole (14), said vehicle underframe further comprising a bolt assembly (50), said bolt assembly (50) passing through said mounting hole (14) to secure said stop seat (10) to said gearbox (30).

9. The vehicle underframe of claim 8, further comprising a check washer assembly (60), wherein the check washer assembly (60) is connected with the bolt assembly (50) to limit rotation of the bolt assembly (50) after the bolt assembly (50) fixes the stop block (10) on the gear box (30).

10. The vehicle chassis of claim 8, further comprising:

a gearbox support, at least part of which is arranged at the bottom of the gearbox (30) so as to enable the gearbox (30) to fall on the gearbox support when the gearbox (30) falls off.