CN213676302U - Y-shaped connecting rod structure and mining dump truck - Google Patents

Abstract

The utility model provides a Y-shaped connecting rod structure and a mining dump truck, which comprises a rod body and two rod heads, wherein the two rod heads are respectively arranged at two ends of the rod body, each rod head comprises a first rod part, a second rod part and a third rod part, the first rod part and the third rod part are parallel to each other, and the second rod part is connected between the first rod part and the third rod part and is respectively vertical to the first rod part and the third rod part; one side middle part that first pole portion and third pole portion were kept away from to second pole portion is formed with connecting portion, the connecting portion of every pole head all with body of rod fixed connection. The cross section of the rod body is set to be circular, and the two fork-shaped rod heads are arranged at the two ends of the rod body, so that the section coefficient of the rod body can be increased, the bending strength and the torsional strength of the fork-shaped connecting rod structure are enhanced, the stress of the fork-shaped connecting rod structure can be dispersed by the fork-shaped rod heads on the other side, and the stress is prevented from being concentrated too much.

Description

Y-shaped connecting rod structure and mining dump truck

Technical Field

The utility model relates to a chassis suspension system of mining dump truck, and especially relate to a Y-shaped connecting rod structure and mining dump truck.

Background

In the dumper using the suspension oil cylinder, the axle is divided into an integral type and a disconnected type according to the difference of suspension structures, the axle is connected with a frame (or a bearing type dumper body) through the suspension, wheels are installed at two ends of the axle, and the axle is used for bearing the load of the dumper and maintaining the normal running of the dumper on a road.

When non-independent suspensions are used, the axle center is a solid or hollow center beam, which is a unitary axle. In a dumper with a non-independent suspension, a parallel connecting rod is usually adopted to restrain the longitudinal motion of an axle, and the parallel connecting rod refers to a plurality of rod pieces which are connected between a vehicle frame and the axle and are parallel to each other. Generally, the parallel connecting rods in the dumper mostly adopt a flat plate welding structure. Fig. 1 is a schematic structural diagram of a parallel link connected to a vehicle in the prior art, please refer to fig. 1, which illustrates two mounting plates 101 with mounting holes are welded to each other through a connecting plate 102. However, the welded structure of the flat plate is easy to crack when bearing large impact at the welding position, and meanwhile, the welded structure of the flat plate has a small section coefficient, and the whole structural strength basically depends on the strength of the flat plate material because the thickness of the flat plate is not large, so that the bending strength and the torsional strength of the welded structure of the flat plate are also low. In addition, the mounting plates 101 pass through a mounting point and a vehicle, and the stress is too concentrated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a Y-shaped connecting rod structure and mining dump truck to thereby solve among the prior art the less and too concentrated problem of atress that leads to bending strength and torsional strength of dull and stereotyped welded structure section coefficient.

The technical problem of the utility model is solved and the following technical scheme is adopted to realize.

The utility model provides a forked connecting rod structure, which comprises a rod body and two rod heads, wherein the two rod heads are respectively arranged at two ends of the rod body, the cross section of the rod body is circular, each rod head comprises a first rod part, a second rod part and a third rod part, the first rod part and the third rod part are parallel to each other, and the second rod part is connected between the first rod part and the third rod part and is respectively vertical to the first rod part and the third rod part; one side middle part that first pole portion and third pole portion were kept away from to second pole portion is formed with connecting portion, the connecting portion of every pole head all with body of rod fixed connection.

In an embodiment of the present invention, the shaft body is a hollow circular tube, and a sleeve of the connecting portion of each rod head, which is close to the shaft body, is provided in the shaft body.

In an embodiment of the present invention, the cross section of the end of the connecting portion of each rod head close to the rod body is circular, and the diameter of the cross section of the end of the connecting portion of the rod head close to the rod body is smaller than the diameter of the rod body.

In an embodiment of the present invention, the connecting portion of the rod body and each rod head is riveted by hot pressing.

In an embodiment of the present invention, the shaft body is a hollow circular tube, and one end of the connecting portion of each rod head near the shaft body is a solid structure.

In one embodiment of the present invention, the rod body is parallel to the first rod portion and the third rod portion, respectively.

In an embodiment of the present invention, the two rod heads are symmetrically disposed at two ends of the rod body, and the forked connecting rod structure is connected between the axle and the frame.

In an embodiment of the present invention, the first rod portion and the third rod portion of each rod head are provided with a pin hole at the end away from the rod body, one of the two rod heads is connected with the frame pin, and the other of the two rod heads is connected with the axle pin.

The embodiment of the utility model provides a mining dump truck is still provided, include as above Y-shaped connecting rod structure.

In an embodiment of the utility model, the mining dump truck includes four the forked connecting rod structures.

The utility model provides a forked connecting rod structure, which comprises a rod body and two rod heads, wherein the two rod heads are respectively arranged at two ends of the rod body, each rod head comprises a first rod part, a second rod part and a third rod part, the first rod part and the third rod part are parallel to each other, and the second rod part is connected between the first rod part and the third rod part and is respectively vertical to the first rod part and the third rod part; one side middle part that first pole portion and third pole portion were kept away from to second pole portion is formed with connecting portion, the connecting portion of every pole head all with body of rod fixed connection. The cross section of the rod body is set to be circular, and the two fork-shaped rod heads are arranged at the two ends of the rod body, so that the section coefficient of the rod body can be increased, the bending strength and the torsional strength of the fork-shaped connecting rod structure are enhanced, the stress of the fork-shaped connecting rod structure can be dispersed by the fork-shaped rod heads on the other side, and the stress is prevented from being concentrated too much.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a prior art parallel link connection between an axle and a vehicle frame.

Fig. 2 is a schematic structural view of the embodiment of the present invention in which the forked link structure is connected between the axle and the frame.

Fig. 3 is a schematic view of a fork link structure according to an embodiment of the present invention.

Fig. 4 is an exploded view of fig. 3.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings. With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure.

In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and mechanical composition, construction, and operational changes may be made without departing from the spirit and scope of the present invention. The following detailed description is not to be taken in a limiting sense, and the scope of various embodiments of the present invention is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Although the terms first, second, etc. are used herein to describe various elements in the present embodiments, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

Fig. 2 is a schematic structural view of the fork shaped connecting rod structure connected between the axle and the frame in the embodiment of the present invention, fig. 3 is a schematic structural view of the fork shaped connecting rod structure in the embodiment of the present invention, and fig. 4 is an exploded structural view in fig. 3. Referring to fig. 2 to 4, an embodiment of the present invention provides a forked connecting rod structure, including a rod body 10 and two rod heads 20, where the two rod heads 20 are respectively disposed at two ends of the rod body 10, a cross section of the rod body 10 is circular, each rod head 20 includes a first rod portion 21, a second rod portion 22 and a third rod portion 23, the first rod portion 21 and the third rod portion 23 are parallel to each other, and the second rod portion 22 is connected between the first rod portion 21 and the third rod portion 23 and is perpendicular to the first rod portion 21 and the third rod portion 23 respectively; the middle part of one side of the second rod part 22 far away from the first rod part 21 and the third rod part 23 is formed with a connecting part 221, and the connecting part 221 of each club head 20 is fixedly connected with the club body 10. Preferably, the connection part 221 of the shaft 10 and each club head 20 is riveted by heat pressing.

In this embodiment, the cross section of the rod body 10 is circular and is rod-shaped as a whole, and compared with the flat structure in the prior art, the cross section coefficient of the rod body 10 in this embodiment is larger, and the rod body has better bending strength and torsion strength.

Referring to fig. 3 and 4, the shaft 10 is a hollow circular tube, and one end of the connecting portion 221 of each club head 20 close to the shaft 10 is sleeved in the shaft 10. Specifically, the end of the connecting part 221 of each head 20 close to the shaft 10 is of a hollow structure or a solid structure, and the end of the connecting part 221 of each head 20 close to the shaft 10 is also circular in cross section and has a diameter smaller than that of the shaft 10. By designing the rod body 10 to be a hollow circular tube structure, the section modulus can be increased without increasing the weight thereof, so as to improve the strength. In other embodiments, the shaft 10 may be designed as a solid circular tube, and then the connecting portion 221 of each club head 20 near the end of the shaft 10 is designed as a hollow structure.

With continued reference to fig. 3 and 4, the two club heads 20 are symmetrically disposed at two ends of the club body 10, and the club body 10 is parallel to the first shaft portion 21 and the third shaft portion 23, i.e., the second shaft portion 22 is perpendicular to the second shaft portion 22. In other embodiments, the second shaft 22 can have an arcuate configuration, and the overall club head 20 can have a "U" shape. In this case, both ends of the arc-shaped structure are smoothly connected to one end of the first shaft 21 and one end of the third shaft 23, respectively, and the bending strength of the head 20 can be improved.

Referring to fig. 2-4, a wishbone link structure is coupled between axle 30 and frame 40. One of the two heads 20 of the wishbone link structure is pivotally connected to the frame 40 and the other of the two heads 20 of the wishbone link structure is pivotally connected to the axle 30. Specifically, the first shaft 21 and the third shaft 23 of each club head 20 are provided with a pin hole 26 at an end thereof remote from the shaft 20. That is, the rod head 20 of the wishbone link structure is mounted to the axle 30 or the frame 40 through two mounting points, which, on the one hand, disperses the force applied to each rod head 20 of the wishbone link structure, thereby avoiding the deformation of the rod head 20 due to excessive local force; on the other hand, because the rod head 20 of the fork-shaped connecting rod structure can be installed through two installation points, the damage of any installation point does not influence the work of other installation points, and the reliability of the fork-shaped connecting rod structure can be improved.

The embodiment of the utility model provides a mining dump truck is still provided, include as above Y-shaped connecting rod structure. In practical application, the mining dump truck can comprise four symmetrically arranged fork-shaped connecting rod structures.

The utility model provides a forked connecting rod structure, it includes body of rod 10 and two pole heads 20, two pole heads 20 set up respectively at the both ends of the body of rod, every pole head 20 all includes first pole portion 21, second pole portion 22 and third pole portion 23, first pole portion 21 is parallel to each other with third pole portion 23, second pole portion 22 is connected between first pole portion 21 and third pole portion 23 and is perpendicular to first pole portion 21 and third pole portion 23 respectively; the middle part of one side of the second rod part 22 far away from the first rod part 21 and the third rod part 23 is formed with a connecting part 221, and the connecting part 221 of each club head 20 is fixedly connected with the club body 10. The cross section of the rod body 10 is set to be circular, and the two forked rod heads 20 are arranged at the two ends of the rod body 10, so that on one hand, the section coefficient of the rod body 10 can be increased, the bending strength and the torsional strength of the forked connecting rod structure are enhanced, and on the other hand, the forked rod heads 20 can disperse the stress of the forked connecting rod structure, and the stress is prevented from being concentrated too much.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. The forked connecting rod structure is characterized by comprising a rod body (10) and two rod heads (20), wherein the two rod heads (20) are respectively arranged at two ends of the rod body (10), the cross section of the rod body (10) is circular, each rod head (20) comprises a first rod part (21), a second rod part (22) and a third rod part (23), the first rod part (21) and the third rod part (23) are parallel to each other, and the second rod part (22) is connected between the first rod part (21) and the third rod part (23) and is respectively perpendicular to the first rod part (21) and the third rod part (23); the middle part of one side of the second rod part (22), which is far away from the first rod part (21) and the third rod part (23), is provided with a connecting part (221), and the connecting part (221) of each club head (20) is fixedly connected with the club body (10).

2. The wishbone connection structure according to claim 1, wherein said shaft (10) is a hollow round tube and said connecting portion (221) of each said club head (20) is nested within said shaft (10) near an end of said shaft (10).

3. The wishbone link structure according to claim 2, characterized in that the cross-section of the end of the connecting portion (221) of each club head (20) near the shaft (10) is circular, and the diameter of the cross-section of the end of the connecting portion (221) of the club head (20) near the shaft (10) is smaller than the diameter of the shaft (10).

4. The wishbone link structure according to claim 1, characterized in that the shaft (10) is heat staked to the connecting portion (221) of each club head (20).

5. The wishbone link structure according to claim 1, characterized in that said rod (10) is parallel to said first (21) and third (23) rod portions, respectively.

6. The wishbone connection structure according to claim 1, characterized in that said two heads (20) are symmetrically located at both ends of said shaft (10), said wishbone connection being connected between the vehicle axle (30) and the vehicle frame (40).

7. The wishbone connection structure according to claim 6, characterized in that the first shaft portion (21) and the third shaft portion (23) of each of said heads (20) are provided with a pin hole (26) at the end remote from said shaft (10), one of said two heads (20) being pivotally connected to said frame (40) and the other of said two heads (20) being pivotally connected to said axle (30).

8. A mining dump truck characterized by comprising a wishbone link structure as claimed in any one of claims 1 to 7.

9. The mining dump truck of claim 8, wherein the mining dump truck comprises four of the wishbone link structures.

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