CN216580022U

CN216580022U - Mining car suspension guide device, mining car rear-mounted assembly and mining car

Info

Publication number: CN216580022U
Application number: CN202122871108.6U
Authority: CN
Inventors: 王孙平; 田斌; 武向阳; 王昌管; 王松; 马耀
Original assignee: Weichai Yangzhou Special Vehicle Co Ltd
Current assignee: Weichai Yangzhou Special Vehicle Co Ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-24
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a mine car suspension guide device, a mine car rear assembly and a mine car. The guide post adopts a circular truncated cone structure, on one hand, the guide post is matched with the shock absorber support through a cambered surface, the cab falls smoothly, and the matching is tighter; on the other hand, can make it cooperate with the bumper shock absorber support when descending more easily, the third aspect can effectively eliminate the abnormal sound that the driver's cabin produced in the driving process, reduces the noise to eliminated the obvious condition of rocking that traditional structure exists, promoted and drive the impression.

Description

Mining car suspension guide device, mining car rear-mounted assembly and mining car

Technical Field

The utility model relates to a mine car suspension, in particular to a mine car suspension guide device. In addition, the utility model also relates to a mining vehicle rear assembly and a mining vehicle comprising the guide device.

Background

The automobile suspension is a general name of all force-transferring connecting devices between a vehicle frame (or a vehicle body) and a vehicle axle, and the force-transferring connecting devices are elastically connected with the vehicle axle and the vehicle frame (or the vehicle body) and play roles in transferring force, buffering, damping and guiding. The guide device is one of the components of the automobile suspension, and the structure and the type of the guide device have great influence on the working performance of the suspension in various working processes of the suspension.

The working environment road condition of the mining vehicle is complex, a plurality of problems exist in the matching of the guiding device of the cab of the mining vehicle and the hydraulic lock in China at present, and the subjective feeling of a human body is poor in the driving process. For example, a cab suspension guide device is not tightly matched with a hydraulic lock fixing device, so that abnormal sound is generated in the driving process of a cab; when the engine needs to be maintained, the cab is lifted through the lifting oil cylinder, the friction between the guide column and the hydraulic lock matching hole is large in the process that the guide device is separated from the hydraulic lock, and when the guide column is completely separated from the hydraulic lock, the hydraulic lock can obviously shake and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at various problems of the mine car suspension, the utility model provides the mine car suspension guide device, the guide column of the guide device adopts a circular truncated cone structure, is matched with the cambered surface of the shock absorber support, the cab falls smoothly, the matching is tighter, abnormal sound generated in the driving process of the cab can be effectively eliminated, the noise is reduced, and the driving feeling is improved.

In order to achieve the above object, the utility model provides a guide device for a suspension of a mining vehicle, which includes a mounting base plate, at least two oppositely arranged bracket side plates located on one side of the mounting base plate, a lock catch side plate located on the other side of the mounting base plate, a lock pin and a guide post, wherein the bracket side plate is provided with a mounting hole, the lock catch side plate is provided with a through hole for the lock pin to pass through, and the guide post is a circular truncated cone-shaped guide post with a diameter gradually decreasing from top to bottom.

Preferably, the included angle between the bus of the guide post and the bottom surface of the mounting bottom plate is 60-70 degrees.

Preferably, the mounting bottom plate and one of the bracket side plates are an integral bending plate.

Preferably, at least one of the mounting holes on the bracket side plate is a kidney-shaped hole.

Preferably, the side surface of the bracket side plate is connected with the mounting bottom plate through a reinforcing plate, and the reinforcing plate is perpendicular to the bracket side plate.

Further preferably, the reinforcing plate is a right-angled triangular plate, and right-angled sides of the triangular plate are respectively connected with the side surfaces of the bracket side plates and the top surface of the mounting bottom plate.

The utility model provides a rear suspension assembly of a mining truck, which comprises the suspension guide device of the mining truck.

Furthermore, the rear suspension assembly further comprises a shock absorber upper support, a shock absorber assembly, a shock absorber lower support and a locking support, wherein the shock absorber upper support is provided with a matching hole, the guide column can be matched in the matching hole, and the locking support is provided with a groove for accommodating the lock pin.

A third aspect of the utility model provides a mining vehicle comprising a mining vehicle rear suspension assembly as described above.

Through the technical scheme, the utility model has the following beneficial effects:

1. according to the utility model, the guide post of the guide device adopts a circular truncated cone structure, on one hand, the guide post is matched with the shock absorber support through a cambered surface, so that the cab falls smoothly and is matched more closely; on the other hand, the structure with the large upper part and the small lower part is adopted, so that the shock absorber bracket can be more easily matched with the shock absorber bracket when descending; the third aspect, when rising in-process and bumper shock absorber support break away from, because the diameter reduces gradually, can not always with the inner wall contact of mating holes to can effectively eliminate the abnormal sound that the driver's cabin produced at the in-process that traveles, reduce the noise, and eliminated the obvious condition of rocking that traditional structure exists, promote the impression of riding.

2. In a preferred technical scheme of the utility model, the mounting bottom plate and one of the bracket side plates are an integrated bending plate, the integrated arrangement mode can ensure the connection strength of the bracket side plate and the mounting bottom plate, and in addition, the integrated bending arrangement ensures that the bracket side plate and the mounting bottom plate have certain elasticity, the deformation resistance is strong, and the integral service life can be effectively prolonged.

3. In another preferred technical scheme of the utility model, at least one mounting hole on the side plate of the bracket is a waist-shaped hole, the waist-shaped hole can compensate the manufacturing error and the matching error of the hydraulic lock in the processing process of the cab, when the bracket is assembled, the bolt is firstly pre-screwed, and after the cab completely falls, the bolt is screwed, so that the mounting is convenient and quick.

Drawings

FIG. 1 is a schematic view of a suspension guide assembly according to the present invention;

FIG. 2 is a front view of the rear suspension assembly of the present invention;

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

fig. 5 is a perspective view of the rear suspension assembly of the present invention.

Description of the reference numerals

1, mounting a bottom plate; 2, a bracket side plate; 21 mounting holes; 3 reinforcing plates; 4, locking side plates; 5, a lock pin; 6 a guide post; 7, an upper bracket of the shock absorber; 71 a mating hole; 8 a shock absorber assembly; 9, a lower bracket of the shock absorber; 10 locking the bracket; 101 groove

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

It should be noted that, in the following description, for the purpose of clearly explaining the technical solution of the present invention, directional terms such as "upper", "lower", and the like have meanings according to the orientation of the guide device in the normal use state, for example, the direction close to the roof is up, and the direction opposite thereto is down, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, the mining vehicle suspension guide device of the utility model comprises an installation bottom plate 1, at least two oppositely arranged bracket side plates 2 positioned on one side of the installation bottom plate 1, a lock catch side plate 4 positioned on the other side of the installation bottom plate 1, a lock pin 5 and a guide column 6, wherein the bracket side plate 2 is provided with an installation hole 21, the lock catch side plate 4 is provided with a through hole for the lock pin 5 to pass through, and the guide column 6 is a circular truncated cone-shaped guide column with a diameter gradually reduced from top to bottom.

According to the utility model, the guide post 6 adopts a circular truncated cone structure, on one hand, the guide post is matched with the shock absorber support through a cambered surface, so that the cab falls smoothly and is matched more closely; on the other hand, adopt big-end-up's structure can make it more easily cooperate with the bumper shock absorber support when descending, the third aspect because the diameter reduces gradually, when rising in-process breaks away from with the bumper shock absorber support, can not always with the inner wall contact of mating holes to can effectively eliminate the abnormal sound that the driver's cabin produced at the in-process of traveling, reduce the noise, and eliminated the obvious condition of rocking that traditional structure exists, promote the ride and feel.

Preferably, the included angle between the generatrix of the guide post 6 and the bottom surface of the mounting base plate 1 is 60-70 degrees. If the angle is too large and the taper is small, after the cab is lifted, the contact friction between the guide column 6 and the matching hole is increased in the descending process, so that the abrasion is accelerated, and the service life is shortened; if the angle is too small, the taper is large, the length of the guide post 6 is reduced, and after the cab is completely descended, the limiting strength is insufficient, and the limiting effect is not obvious. Therefore, the proper angle of the guide post 6 can enable various performances to reach better states.

Among the above-mentioned technical scheme, support curb plate 2 can be fixed on mounting plate 1 through the welding mode. In a preferred embodiment of the present invention, the mounting base plate 1 and one of the bracket side plates 2 are an integral bent plate. The joint strength of support curb plate 2 and mounting plate 1 can be guaranteed to the integral type mode of setting up, and in addition, integrative the setting of buckling makes having certain elasticity between support curb plate 2 and the mounting plate 1, and anti deformability is strong to extension guider's life.

At least one mounting hole 21 on the support side plate 2 is a waist-shaped hole, the waist-shaped hole can compensate manufacturing errors in the cab machining process and matching errors of a hydraulic lock, a bolt is pre-screwed when the support is assembled, and after the cab completely falls down, the bolt is screwed down, so that the mounting is convenient and quick.

On the basis of the technical scheme, in order to increase the connection strength between the installation bottom plate 1 and the bracket side plate 2 which is not integrally arranged with the installation bottom plate 1, the side surface of the bracket side plate 2 is connected with the installation bottom plate 1 through the reinforcing plate 3, and the reinforcing plate 3 is vertically arranged with the bracket side plate 2.

Further, the reinforcing plate 3 is a right-angled triangular plate, and right-angled sides of the triangular plate are respectively connected with the side surface of the bracket side plate 2 and the top surface of the mounting base plate 1. The triangular reinforcing plate 3 reduces occupied space as much as possible while ensuring strength, and avoids interference on installation of other components.

The utility model provides a rear suspension assembly of a mining vehicle, which comprises the suspension guide device of the mining vehicle.

Further, as shown in fig. 2 to 5, the rear suspension assembly further includes a shock absorber upper bracket 7, a shock absorber assembly 8, a shock absorber lower bracket 9, and a locking bracket 10, the shock absorber upper bracket 7 is provided with a fitting hole 71, the guide post 6 can be fitted into the fitting hole 71, and the locking bracket 10 is formed with a groove 101 for accommodating the lock pin 5. The lower bracket 9 of the shock absorber is fixed on the frame through bolts. The bracket side plate 2 is fixed on a cab base beam through bolts. When the cab descends until the lock pin 5 comes into contact with a spring bolt of a hydraulic lock (not shown in the figure) and reaches a locking point, the spring bolt locks the lock pin 5, and the lock pin 5 is limited in the groove 101.

The cooperation hole 71 of guide post 6 is the round hole, and the driver's cabin lifts the back, and in the in-process that descends again, guide post 6 and cooperation hole 71 contact be cambered surface and hole line contact, and it is more smooth and easy to descend, and after descending in place, the hydraulic lock passes through the hasp locking, and guide post 6 and cooperation hole 71 cooperate, and cooperation hole 71 plays spacing effect at this moment.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The mine car suspension guide device is characterized by comprising an installation bottom plate (1), at least two oppositely arranged support side plates (2) arranged on one surface of the installation bottom plate (1), and a lock catch side plate (4), a lock pin (5) and a guide column (6) arranged on the other surface of the installation bottom plate (1), wherein an installation hole (21) is formed in each support side plate (2), a through hole for the lock pin (5) to pass through is formed in each lock catch side plate (4), and the guide column (6) is a circular table type guide column with the diameter gradually reduced from top to bottom.

2. The mining vehicle suspension guide device according to claim 1, characterized in that the included angle between the generatrix of the guide post (6) and the bottom surface of the mounting baseplate (1) is 60-70 °.

3. A mining vehicle suspension guide apparatus according to claim 1, characterised in that the mounting baseplate (1) is an integral bent plate with one of the bracket side plates (2).

4. A mining vehicle suspension guide apparatus according to claim 1, characterised in that at least one of the mounting holes (21) on the bracket side plate (2) is a kidney-shaped hole.

5. The mining vehicle suspension guide apparatus according to any one of claims 1 to 4, characterized in that the side face of the bracket side plate (2) is connected with the mounting baseplate (1) through a reinforcing plate (3), and the reinforcing plate (3) is arranged perpendicular to the bracket side plate (2).

6. A mining vehicle suspension guide apparatus as claimed in claim 5, characterised in that the reinforcing plate (3) is a right angle triangular plate, the right angles of which are connected to the sides of the bracket side plates (2) and the top face of the mounting baseplate (1), respectively.

7. A mining vehicle rear assembly, characterized by comprising a mining vehicle suspension guide apparatus according to any one of claims 1 to 6.

8. The mining vehicle rear assembly according to claim 7, characterized in that the rear suspension assembly further comprises a shock absorber upper bracket (7), a shock absorber assembly (8), a shock absorber lower bracket (9) and a locking bracket (10), the shock absorber upper bracket (7) is provided with a fitting hole (71), the guide post (6) can be fitted in the fitting hole (71), and the locking bracket (10) is provided with a groove (101) for accommodating the lock pin (5).

9. A mining vehicle, characterized in that it comprises a mining vehicle rear assembly according to claim 7 or 8.