CN214355415U

CN214355415U - Rear axle stop device and mining dump truck in mine car

Info

Publication number: CN214355415U
Application number: CN202120418125.1U
Authority: CN
Inventors: 霍延通; 董磊; 戈超; 冯汉队; 苗天峰; 蒋炎炎
Original assignee: Xuzhou XCMG Mining Machinery Co Ltd
Current assignee: Xuzhou XCMG Mining Machinery Co Ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-08
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a rear axle limiting device in a mine car and a mine dump truck, wherein the limiting device comprises a limiting seat and a plurality of adjusting pads; the limiting seats are respectively arranged on the frame above the middle axle and the rear axle through detachable parts; the adjusting pads are arranged between the limiting seat and the frame, and the maximum travel of the suspension oil cylinder is ensured to be larger than the distance between the limiting seat and the axle limiting seat arranged on the middle axle and the rear axle and positioned below the limiting seat by changing the overlapping quantity of the adjusting pads. The utility model discloses with the spacing seat of assembly mode installation, when changing different strokes and hanging the hydro-cylinder, only need increase and decrease the adjustment on the spacing seat can, have the commonality, reduced the maintenance degree of difficulty and cost.

Description

Rear axle stop device and mining dump truck in mine car

Technical Field

The utility model relates to a rear axle stop device in mine car belongs to mining dump truck technical field.

Background

The mining dump truck is a professional device for ore or earthwork transportation, and has the characteristics of heavy load, short transportation distance, high working efficiency and the like. At present, most of oil-gas suspension type mining dump trucks adopt an A-shaped frame to connect a frame with a middle axle and a rear axle, when the mining dump trucks work in extreme road conditions, the stroke of a suspension oil cylinder of the middle and rear axles is easy to be pressed to the lowest point, so that the oil cylinder is subjected to the circulating pressure stress of the oil cylinder core, the oil cylinder and the oil cylinder core are easy to be damaged, in order to avoid the problem, limiting seats are required to be arranged on the frame and the middle and rear axles, and the suspension oil cylinder core is prevented from being pressed to the extreme position through a mechanical limiting mode, so that the oil cylinder and the oil cylinder core are protected; however, in the prior art, the limiting seat on the frame is of an integrated welding structure, when the suspension oil cylinders with different strokes are replaced, the limiting seat needs to be planed, the limiting seat matched with the strokes of the suspension oil cylinders is replaced, the universality is not realized, and the processing and maintenance cost is increased.

Disclosure of Invention

In order to solve the problems, the utility model provides a rear axle stop device in mine car to the spacing seat of assembly mode installation, when changing different strokes and hanging the hydro-cylinder, only need increase and decrease the adjustment on the spacing seat can, have the commonality, reduced the maintenance degree of difficulty and cost.

In order to achieve the above object, the present invention is realized by the following technical means:

the utility model discloses a rear axle limiting device in a mine car, which comprises a limiting seat and a plurality of adjusting pads; the limiting seats are respectively arranged on the frame above the middle axle and the rear axle through detachable parts; the adjusting pads are arranged between the limiting seat and the frame, and the maximum travel of the suspension oil cylinder is ensured to be larger than the distance between the limiting seat and the axle limiting seat arranged on the middle axle and the rear axle and positioned below the limiting seat by changing the overlapping quantity of the adjusting pads.

In a further scheme, the limiting seat is of a rectangular block structure, and four corners of the rectangular block structure are respectively provided with an assembling hole.

In a further scheme, the detachable piece is a bolt; and the frame is provided with a threaded hole concentric with the assembling hole, and the limiting seat is fixed on the frame through four bolts.

Further, the assembly holes are countersunk holes, so that the heads of the bolts are embedded into the limiting seats.

In a further scheme, the adjusting pad is of a rectangular sheet structure, and the length and width of the adjusting pad are the same as those of the limiting seat.

In a further scheme, four corners of the adjusting pad are respectively provided with a mounting hole concentric with the assembling hole.

In a further scheme, the middle axle and the rear axle are respectively connected with the frame through an A-shaped frame.

In a further scheme, the suspension oil cylinder is connected between the A-shaped frame and the frame.

According to the further scheme, an oil cylinder barrel of the suspension oil cylinder is hinged with the frame, and an oil cylinder core of the suspension oil cylinder is hinged with the A-shaped frame.

The utility model also discloses a mining dump truck, including frame, well axle and rear axle be equipped with foretell mine car well rear axle stop device between frame and well, the rear axle respectively.

The utility model discloses beneficial effect:

the utility model provides a rear axle stop device in mine car adopts the assembled to carry on spacingly to the axle, only needs to adjust and fills up quantity and just can guarantee the spacing seat of frame and the spacing interval between the seat of axle, and this device not only can protect and hang the hydro-cylinder, improves its life, also has flexibility and commonality more, has reduced cost of maintenance and the degree of difficulty.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, 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 without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

fig. 1 is a schematic layout view of a middle and rear axle limiting device of the present invention;

FIG. 2 is a schematic structural view of a middle rear axle limiting device of the present invention;

fig. 3 is a schematic view of the structure of the adjusting pad of the present invention.

The reference numerals have the following meanings: the device comprises a frame 1, a suspension oil cylinder 2, an oil cylinder core 2-1, an oil cylinder barrel 2-2, a limiting seat 3, an adjusting pad 4, an axle limiting seat 5, a rear axle 6, an A-shaped frame 7, a middle axle 8 and a bolt 9.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2 and 3, the rear axle limiting device in the mine car comprises a limiting seat 3 and a plurality of adjusting pads 4; the limiting seat 3 is respectively arranged on the frame 1 above the middle axle and the rear axle through a detachable part; the adjusting pads 4 are arranged between the limiting seat 3 and the frame 1, the maximum stroke of the suspension oil cylinder 2 is ensured to be larger than the distance between the limiting seat 3 and the limiting seat 5 of the axle which is arranged on the middle axle and the rear axle and is positioned below the limiting seat 3 by changing the superposition quantity of the adjusting pads 4, when the mine car works in a limit road condition, the limiting seat 3 is firstly contacted with the limiting seat 5 of the axle, then the oil cylinder core 2-1 can not be compressed to the bottom, the pressure stress of the oil cylinder core 2-1 on the oil cylinder 2-2 is avoided, and when the suspension oil cylinders 2 with different strokes are replaced, the quantity of the adjusting pads 4 is increased or decreased.

It should be noted that, the limiting seat 3 is made of high-strength steel material, has high strength and hardness, and plays a role in mechanically limiting the middle and rear axles of the whole vehicle. The quantity of the adjusting pads 4 is a plurality, and the adjusting pads 4 are matched according to different strokes of the suspension oil cylinder 2.

The following provides a preferred embodiment of the above embodiment with respect to the retainer:

continuing to refer to fig. 2, the stopper base 3 is a rectangular block structure, and four corners of the rectangular block structure are respectively provided with an assembling hole.

The preferable scheme is as follows: the detachable piece is a bolt 9; the frame 1 is provided with a threaded hole concentric with the assembly hole, and the limiting seat 3 is fixed on the frame 1 through four bolts 9.

As the utility model discloses an optimization scheme: the assembly holes are counter sunk holes, so that the heads of the bolts 9 are embedded in the limiting seats 3.

It should be noted that the limiting seat 3 is not limited to the above structure, and in practical use, can be adjusted accordingly according to practical situations.

The following is a preferred embodiment of the above embodiment with respect to the adjustment pad:

with continued reference to fig. 2, the adjusting pad 4 is a rectangular plate structure, and the length and width dimensions thereof are the same as those of the limiting seat 3. The four corners of the adjusting pad 4 are respectively provided with a mounting hole which is concentric with the assembly hole.

It should be noted that the adjusting pad 4 is not limited to the above structure, and in practical use, can be adjusted accordingly according to practical situations.

In particular, and with continued reference to FIG. 1, the center axle 8 and rear axle 6 are each connected to the frame 1 by an A-frame 7. The suspension oil cylinder 2 is connected between the A-shaped frame 7 and the frame 1. The cylinder barrel 2-2 of the suspension cylinder 2 is hinged with the frame 1, and the cylinder core 2-1 of the suspension cylinder 2 is hinged with the A-shaped frame 7.

To sum up, the utility model provides a rear axle stop device in mine car adopts the assembled to carry on spacingly to the axle, only needs to adjust and fills up quantity and just can guarantee the interval between spacing seat of frame and the spacing seat of axle, and this device not only can protect the hydro-cylinder that hangs, improves its life, also has flexibility and commonality more, has reduced cost of maintenance and the degree of difficulty.

The utility model also discloses a mining dump truck, including frame 1, well axle 8 and rear axle 6 be equipped with foretell mine car in rear axle stop device between frame 1 and well axle 8 and the rear axle 6 respectively.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a rear axle stop device in mine car which characterized in that:

comprises a limiting seat and a plurality of adjusting pads;

the limiting seats are respectively arranged on the frame above the middle axle and the rear axle through detachable parts;

the adjusting pads are arranged between the limiting seat and the frame, and the maximum travel of the suspension oil cylinder is ensured to be larger than the distance between the limiting seat and the axle limiting seat arranged on the middle axle and the rear axle and positioned below the limiting seat by changing the overlapping quantity of the adjusting pads.

2. The mine car rear axle limiting device according to claim 1, wherein:

the limiting seat is of a rectangular block structure, and four corners of the rectangular block structure are respectively provided with an assembling hole.

3. The mine car rear axle limiting device according to claim 2, wherein:

the detachable piece is a bolt;

and the frame is provided with a threaded hole concentric with the assembling hole, and the limiting seat is fixed on the frame through four bolts.

4. The mine car rear axle limiting device according to claim 3, wherein:

the assembly holes are countersunk holes, so that the heads of the bolts are embedded into the limiting seats.

5. The mine car rear axle limiting device according to claim 2, wherein:

the adjusting pad is of a rectangular sheet structure, and the length and width dimensions of the adjusting pad are the same as those of the limiting seat.

6. The mine car rear axle limiting device of claim 5, wherein:

and the four corners of the adjusting pad are respectively provided with a mounting hole which is concentric with the assembling hole.

7. The mine car rear axle limiting device according to claim 1, wherein:

the middle axle and the rear axle are respectively connected with the frame through an A-shaped frame.

8. The mine car rear axle limiting device of claim 7, wherein:

and the suspension oil cylinder is connected between the A-shaped frame and the frame.

9. The mine car rear axle limiting device of claim 8, wherein:

the cylinder barrel of the suspension cylinder is hinged with the frame, and the cylinder core of the suspension cylinder is hinged with the A-shaped frame.

10. The utility model provides a mining dump truck, includes frame, middle axle and rear axle, its characterized in that:

a rear axle limiting device in a mine car according to any one of claims 1 to 9 is arranged between the frame and the middle and rear axles respectively.