CN219668359U - Caterpillar support frame, walking part and engineering machinery - Google Patents

Abstract

The utility model relates to the technical field of engineering machinery, and provides a track support frame, a walking part and engineering machinery, wherein the track support frame comprises: the crawler frame bodies are arranged oppositely; the two ends of the middle frame body are respectively connected with the crawler frame body, and the middle frame body is used for being connected with the engineering machinery body. According to the utility model, the pair of crawler frames are oppositely arranged, the two ends of the middle frame body are respectively detachably connected with the crawler frames, the middle frame body is used for being connected with the engineering machinery body, when the crawler support frame is processed, the pair of crawler frames and the middle frame body are firstly connected into a whole and then processed, so that the key dimensional tolerance and the behavior tolerance such as the parallelism of the pair of crawler frames are ensured, the central surfaces of the pair of crawler frames are parallel, the faults such as derailment and the like of the crawler support frame in the use process are prevented, the intelligent operation and the like can be realized, the posture is not required to be adjusted for multiple times, and the construction progress is improved.

Description

Caterpillar support frame, walking part and engineering machinery

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a track support frame, a walking part and engineering machinery.

Background

Along with the application development of the diversification of engineering machinery, the engineering machinery structure tends to develop in the aspects of refinement, humanization, convenient transportation and the like. For example, a development machine is widely used for excavation of coal mine tunnels and highway tunnels.

In the process of realizing the utility model, at least the following problems exist in the prior art, the track support frame is an important part of the cantilever type heading machine, and plays roles of pushing, adjusting the posture, shunting and the like when the heading machine works. And because machining precision, accumulated machining errors and the like are easy to cause non-parallel central planes of the left and right side crawler support frames, faults such as derailment and the like are easy to occur, and situations that the advancing and retreating of a travelling mechanism cannot meet intelligent tunneling and the like can also occur, the gesture needs to be adjusted for multiple times, or the construction speed is obviously reduced.

Disclosure of Invention

The utility model provides a crawler support frame, a walking part and engineering machinery, which are used for solving the defects that the center plane of the crawler support frame is not parallel and derailment is easy to occur due to machining precision, accumulated machining errors and the like of the crawler support frame in the prior art, realizing that the crawler support frame is firstly connected into a whole and then machined, and ensuring the key dimensional tolerance and the behavior tolerance such as the parallelism of a pair of crawler support bodies.

The utility model provides a track support frame, comprising:

the crawler frame bodies are arranged oppositely;

the two ends of the middle frame body are respectively connected with the crawler frame body, and the middle frame body is used for being connected with the engineering machinery body.

Preferably, according to the track supporting frame provided by the utility model, a connecting piece for connecting with the engineering machinery body is arranged on the middle frame body. The connecting piece is in surface contact with the engineering machinery body.

Preferably, according to the track support provided by the utility model, the connecting piece is of a flat key structure.

Preferably, according to the present utility model, there is provided a track support frame, the track support body comprising:

a support part for supporting the crawler belt;

the connecting part is arranged at one side of the supporting part, which is close to the middle frame body; the connecting part is detachably connected with the middle frame body.

Preferably, according to the track supporting frame provided by the utility model, an end face of the connecting part, which is close to the middle frame body, is a vertical end face.

Preferably, according to the track supporting frame provided by the utility model, the connecting part is of a box structure, and at least one of the top surface and the bottom surface of the connecting part is obliquely arranged downwards from the central side of the track supporting frame to the outer side.

Preferably, according to the track support frame provided by the utility model, the track support body further comprises an outer edge plate, the outer edge plate is arranged on one side of the connecting part, which is close to the middle support body, and a plurality of through holes for connecting with the middle support body are formed in the outer edge plate.

Preferably, according to the track support provided by the utility model, the top of the middle support body is provided with a plurality of process holes; and a plurality of the process holes are positioned at the periphery of the connecting piece.

The utility model also provides a walking part comprising the crawler support frame.

The utility model also provides engineering machinery comprising the crawler support frame or the walking part.

According to the crawler support frame, the pair of crawler support frames are oppositely arranged, the two ends of the middle support frame are respectively connected with the crawler support frames, the middle support frame is used for being connected with the engineering machinery body, when the crawler support frame is processed, the pair of crawler support frames and the middle support frame are firstly connected into a whole and then processed, and therefore key dimensional tolerance and behavior tolerance such as parallelism of the pair of crawler support frames are guaranteed, the center faces of the pair of crawler support frames are enabled to be parallel, faults such as derailment and the like of the crawler support frames in the using process are prevented, intelligent tunneling and the like can be achieved, multiple adjustment of gestures is not needed, and construction progress is improved.

The utility model also provides a walking part, which has various advantages due to the inclusion of the crawler support frame.

The utility model also provides engineering machinery, which has various advantages due to the inclusion of the crawler support frame.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of one embodiment of a track support provided by the present utility model;

FIG. 2 is a side view of one embodiment of a track support provided by the present utility model;

FIG. 3 is a top view of one embodiment of a track support provided by the present utility model;

FIG. 4 is a front view of one embodiment of a track support provided by the present utility model;

FIG. 5 is a top view of one embodiment of a track frame provided by the present utility model;

FIG. 6 is a front view of one embodiment of a track frame provided by the present utility model;

FIG. 7 is a side view of one embodiment of a track frame provided by the present utility model;

FIG. 8 is a top view of one embodiment of a center frame provided by the present utility model;

FIG. 9 is a front view of one embodiment of an intermediate frame provided by the present utility model;

FIG. 10 is a side view of one embodiment of an intermediate frame provided by the present utility model;

reference numerals:

1. a crawler frame body; 2. a middle frame body; 3. a connecting piece; 4. a bolt; 5. a track;

11. a support part; 12. a connection part; 13. and an outer edge plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A track support according to an embodiment of the present utility model is described below with reference to fig. 1 to 10.

As shown in fig. 1 to 4, the present utility model provides a track supporting frame, which includes a pair of track frames 1 and a middle frame 2, where the pair of track frames 1 are oppositely arranged to support tracks 5 arranged in pairs, and the opposite arrangement can be understood as that on the same horizontal plane, the corresponding structures of the track frames 1 are arranged in parallel, so that the tracks 5 on two sides are parallel; the two ends of the middle frame body 2 are respectively connected with the crawler frame body 1, and the middle frame body 2 is usually detachably connected and used for being connected with the engineering machinery body.

According to the track support frame provided by the utility model, the pair of track support bodies 1 are oppositely arranged, the two ends of the middle support body 2 are respectively connected with the track support bodies 1, the middle support body 2 is used for being connected with the engineering machinery body, when the track support frame is processed, the pair of track support bodies 1 and the middle support body 2 are firstly connected into a whole and then processed, so that the critical dimensional tolerance and the behavior tolerance of parallelism and the like of the pair of track support bodies 1 are ensured, the central surfaces of the pair of track support bodies 1 are parallel, the faults such as derailment and the like of the track support frame in the using process are prevented, the conditions such as intelligent operation can be realized, the gesture is not required to be adjusted for a plurality of times, and the construction progress is improved.

In one embodiment provided by the utility model, the connecting piece 3 used for being connected with the engineering machinery body is arranged on the middle frame body 2, and the connecting piece 3 is in surface contact with the engineering machinery body, so that stress concentration can be reduced, and the gravity can be uniformly transferred to the integral track support frame after the middle frame body 2 bears the gravity from the engineering machinery body, so that a better ground specific pressure state is formed. The connection mode of the connecting piece 3 and the middle frame body 2 can be bolt connection, or other connection modes can be adopted, so long as the fixed connection of the connecting piece 3 and the middle frame body 2 can be satisfied.

In one embodiment provided by the utility model, the connecting piece 3 may be preferably provided in a flat key structure, and may be provided in other structural forms, so long as the connecting piece 3 can play a role in connection. That is, preferably, the connection between the intermediate frame 2 and the engineering machine body is a key connection, so that stress concentration can be further reduced, and the gravity of the engineering machine body can be relatively and more uniformly transferred to the integral track support frame.

As shown in fig. 5 to 7, in one embodiment provided by the present utility model, a pair of track frames 1 have the same structure and are symmetrical about a longitudinal center axis of the track frame, and the longitudinal direction may be understood as a running direction of the construction machine, that is, an extending direction along the track; each track frame 1 comprises a supporting part 11 and a connecting part 12, wherein the supporting part 11 is used for supporting the track 5, and the track 5 is arranged on the periphery of the supporting part 11; the connecting part 12 is arranged on one side of the supporting part 11 close to the middle frame body 2; the connecting part 12 is detachably connected with the middle frame body 2, and before machining, the connecting part 12 and the middle frame body 2 are installed into a whole, and the whole of the crawler frame body 1 and the middle frame body 2 is machined, so that the critical dimensional tolerance and the behavior tolerance such as the parallelism of a pair of crawler frame bodies 1 can be ensured.

In one embodiment provided by the utility model, the end surface of the connecting part 12 close to the middle frame body 2 is preferably a vertical end surface, so that the processing and the installation are convenient.

In one embodiment of the present utility model, as shown in fig. 4, preferably, the connecting portion 12 is a box structure, and at least one of the top and bottom surfaces of the connecting portion 12 is disposed obliquely downward from the center side of the track support frame to the outer side, that is, the high end is disposed near the center side of the track support frame. When one of the top surface and the bottom surface of the connecting portion 12 is inclined downward from the center side of the track support frame to the outer side, the transverse section of the connecting portion 12 is trapezoid, and the transverse section is along the transverse direction of the engineering machine body. When the top and bottom surfaces of the connection portion 12 are parallel and are all inclined downward from the center side of the track support frame to the outside, the longitudinal section of the connection portion 12 is a parallelogram. Through the arrangement, the bottom surface of the middle frame body 2 can be enabled to have a certain height from the ground, the engineering machinery body is guaranteed to have a higher chassis, and meanwhile the connecting portion 12 and the middle frame body 2 can be firmly connected.

In one embodiment of the present utility model, preferably, the track frame further includes an outer edge plate 13, the outer edge plate 13 is disposed on a side of the connecting portion 12 near the middle frame 2, and a plurality of through holes for connecting with the middle frame 2 are disposed on the outer edge plate 13, and the outer edge plate 13 can facilitate connection of the connecting portion 12 with the middle frame 2.

Specifically, in order to save materials and reduce load, the inside of the connecting portion 12 may be hollow or solid, and when the connecting portion 12 is hollow, the side of the intermediate frame 2 near the connecting portion 12 may have a structure extending into the hollow inside of the connecting portion 12. The outer edge plate 13 may close the end surface of the connecting portion 12, or may be directly distributed on the outer periphery of the connecting portion 12. Generally, in order to ensure the connection between the outer edge plate 13 and the middle frame 2, the outer edge plate 13 is used to seal the entire end surface of the connecting portion 12.

In one embodiment provided by the utility model, preferably, the outer edge plate 13 is connected with the middle frame body 2 through bolts 4, and the bolts 4 penetrate through the through holes in a one-to-one correspondence manner, so that the connection part 12 is connected with the middle frame body 2. In order to ensure the connection firmness between the connecting portion 12 and the middle frame body 2, the bolts 4 can be high-strength bolts, the high-strength bolts are made of high-strength steel, bolts with larger pretightening force are required to be applied, and the bearable load of the high-strength bolts is larger than that of common bolts with the same specification.

As shown in fig. 8 to 10, in one embodiment provided by the present utility model, preferably, the top of the middle frame 2 is provided with a plurality of process holes; and a plurality of process holes are located at the outer circumference of the connection member 3. The process holes can be used for heat treatment exhaust of engineering machinery or used for positioning and other functions.

The utility model provides a crawler support frame, which comprises a pair of crawler support bodies 1, a middle support body 2, a connecting piece 3 and a bolt 4, wherein the crawler support body 1 comprises a support part 11, a connecting part 12 and an outer edge plate 13, the periphery of the support part 11 is wound with a crawler 5, and the connecting part 12 is arranged at one side of the support part 11 close to the middle support body 2; the outer edge plate 13 is connected with the middle frame body 2 through the bolts 4, when the track support frame is processed, the middle frame body 2 and the pair of track support frames 1 are connected into a whole through the bolts 4 and then processed, so that key dimensional tolerance and behavior tolerance such as parallelism of the track support frames on two sides of the middle frame body 2 are ensured, the central planes of the track support frames 1 on two sides are ensured to be parallel, and faults such as derailment and the like are prevented; moreover, the track support frame is in horizontal contact and key connection with the engineering machinery body, so that stress concentration can be reduced, and the middle frame body 2 can uniformly transfer gravity to the whole track support frame after bearing the gravity from the engineering machinery body and other parts attached to the engineering machinery body, so that a better ground specific pressure state is formed; in addition, after the crawler frame body 1 and the middle frame body 2 are connected into a whole, horizontal transverse force of auxiliary equipment arranged on two sides of the whole engineering machinery can be resisted.

According to a second aspect of the present utility model, there is provided a running part comprising a track support as defined in any one of the above aspects.

The walking part provided by the utility model comprises the crawler support frame in any one of the technical schemes, so that the walking part comprises all the beneficial effects of the crawler support frame and is not repeated here.

In particular, the walking part may be understood as a structure including a track and a track support frame enabling walking.

According to a third aspect of the present utility model, there is provided a construction machine comprising a track support according to any one of the above-mentioned aspects.

The engineering machinery provided by the utility model comprises the crawler support frame or the walking part according to any one of the technical schemes, so that the engineering machinery comprises all the beneficial effects of the crawler support frame and is not repeated here.

Specifically, in the embodiment provided by the present utility model, the type of the construction machine is not limited, and for example, the construction machine may be a heading machine, an excavator, a loader, a bulldozer, a pipe laying machine, a tractor, or the like, in other words, the construction machine may use the track support frame of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "manner," "particular modes," or "some modes," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or mode is included in at least one embodiment or mode of the embodiments of the present utility model. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or manner. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or ways. Furthermore, various embodiments or modes and features of various embodiments or modes described in this specification can be combined and combined by those skilled in the art without mutual conflict.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A track support comprising:

a pair of crawler frame bodies (1), wherein the crawler frame bodies (1) are oppositely arranged;

the middle frame body (2) is connected with the crawler frame body (1) at two ends respectively, and the middle frame body (2) is used for being connected with the engineering machinery body.

2. The track support according to claim 1, characterized in that the intermediate frame body (2) is provided with a connecting piece (3) for connecting with the working machine body, the connecting piece (3) being in surface contact with the working machine body.

3. Track support according to claim 2, characterized in that the connecting element (3) is of flat key construction.

4. The track support according to claim 1, characterized in that the track support body (1) comprises:

a support (11) for supporting the crawler belt (5);

a connecting part (12) arranged on one side of the supporting part (11) close to the middle frame body (2); the connecting part (12) is detachably connected with the middle frame body (2).

5. The track support according to claim 4, characterized in that the end face of the connecting portion (12) close to the intermediate frame body (2) is a vertical end face.

6. The track support according to claim 4, wherein the connecting portion (12) is a box structure, and at least one of a top surface and a bottom surface of the connecting portion (12) is disposed obliquely downward from a center side of the track support to an outer side.

7. The track support according to any one of claims 4 to 6, wherein the track frame (1) further comprises an outer edge plate (13), the outer edge plate (13) is disposed on a side of the connecting portion (12) close to the intermediate frame (2), and a plurality of through holes for connecting with the intermediate frame (2) are formed in the outer edge plate (13).

8. The track support according to claim 2, characterized in that the top of the intermediate frame body (2) is provided with a plurality of process holes; and a plurality of the process holes are positioned on the periphery of the connecting piece (3).

9. A running gear comprising a track support as claimed in any one of claims 1 to 8.

10. A construction machine comprising the crawler support frame according to any one of claims 1 to 8 or the running part according to claim 9.