Track device

Abstract

The utility model provides a crawler belt device which comprises a machine frame, a crawler belt and a crawler belt, the machine frame comprises a first supporting beam located at the bottom, and the first supporting beam extends in the advancing direction of a paddy field machine; the scraping plate assembly comprises a first scraping plate and a second scraping plate which are symmetrically arranged on the two sides of the first supporting beam, the first scraping plate comprises a first fixing part and a first extending part, the first fixing part is fixed to the first supporting beam, and the first extending part is bent from the first fixing part and extends to the side away from the first supporting beam; the thrust wheel assembly comprises a first thrust wheel and a second thrust wheel which are symmetrically arranged on the two sides of the first thrust beam, the first scraping plate is arranged on the radial side of the first thrust wheel, and the second scraping plate is arranged on the radial side of the second thrust wheel. Due to the fact that the scraper assembly is arranged on one side of the thrust wheel assembly, abrasion and corrosion of the thrust wheel assembly and the crawler belt in the complex working environment are relieved.

Description

Technical Field

[0001] The utility model relates to agricultural machinery, in particular to a crawler device. Background Art

[0002] In the prior art, crawler harvesters often harvest in muddy fields. Mud, weeds and other debris can easily cause wear and corrosion to the rubber crawler tracks, supporting wheels, tensioning devices and chassis frames, reducing the service life of the travel system. At the same time, the accumulated mud raises the supporting wheels, increases the load of the entire vehicle, and sometimes causes the travel wheel system and crawler tracks to slip and derail, reducing the travel power of the entire machine and affecting the safety of driving. Therefore, it is necessary to provide a crawler device to overcome the above-mentioned defects. Utility Model Content

[0003] The purpose of the utility model is to provide a crawler device.

[0004] According to one aspect of the utility model, there is provided a crawler device, comprising:

[0005] A frame, wherein the frame includes a first load beam at the bottom, and the first load beam extends along the forward direction of the paddy field machine;

[0006] A scraper assembly, the scraper assembly comprising a first scraper and a second scraper symmetrically arranged on both sides of a first supporting beam, the first scraper comprising a first fixing portion and a first extending portion, the first fixing portion being fixed to the first supporting beam, the first extending portion being bent from the first fixing portion and extending to a side away from the first supporting beam;

[0007] The supporting roller assembly comprises a first supporting roller and a second supporting roller symmetrically arranged on both sides of a first supporting roller beam, the first scraper is arranged on one radial side of the first supporting roller, and the second scraper is arranged on one radial side of the second supporting roller.

[0008] Preferably, the angle between the first extending portion and the first fixing portion is greater than 90°.

[0009] Preferably, the length of the first extension portion along the axial direction of the first roller is greater than or equal to the axial length of the first roller.

[0010] Preferably, the supporting roller assembly also includes a third supporting roller, and the third supporting roller and the first supporting roller are arranged on the same side of the first supporting roller beam, the radial distance between the first supporting roller and the third supporting roller is less than or equal to the width of the first extension portion along the forward direction of the paddy field machine, and the first scraper is arranged between the first supporting roller and the third supporting roller.

[0011] Preferably, the first extension portion is arranged below the plane where the axis of the first supporting roller and the axis of the third supporting roller are located.

[0012] Preferably, the angle between the first extension portion and the horizontal plane is less than or equal to 30°.

[0013] Preferably, it also includes a guide member arranged below the first supporting beam and a crawler track arranged around the supporting wheel assembly, the crawler track includes a guide groove, and the guide member is arranged in the guide groove.

[0014] Preferably, the frame further comprises an S-shaped beam, the left end of the S-shaped beam is fixed to the first supporting beam, and the right end of the S-shaped beam is fixed to the second supporting beam.

[0015] Preferably, the first load beam also includes a fourth load wheel, a fifth load wheel, a sixth load wheel and a seventh load wheel which are arranged on the same side of the first load wheel, a third scraper is arranged between the first load wheel and the fourth load wheel, a fourth scraper is arranged between the fifth load wheel and the sixth load wheel, and a fifth scraper is arranged between the sixth load wheel and the seventh load wheel.

[0016] Preferably, the supporting wheel assemblies and the scraper assemblies on both sides of the first supporting beam are symmetrically arranged, and the first supporting beam and the second supporting beam are symmetrically arranged.

[0017] Compared with the prior art, the crawler device provided by the utility model has the following beneficial effects:

[0018] The scraper can efficiently scrape off the mud adhering to the supporting wheels, reduce the wear of mud and water on the supporting wheels and tracks, increase the service life of the supporting wheels and tracks, reduce the slippage of the traveling wheel system and tracks, reduce the power loss of the whole machine, and improve the safety of driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0020] Figure 1 It is a side view of the crawler device of the utility model;

[0021] Figure 2 It is a partial enlarged view of the crawler device of the utility model;

[0022] Figure 3 It is a front view of the crawler device of the utility model;

[0023] Figure 4 It is a partial cross-sectional view of the crawler device of the utility model. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0026] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0027] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0028] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0030] See also Figure 1 , Figure 2 and Figure 3The utility model provides a crawler device for a paddy field machine, such as a crawler harvester, comprising: a frame 1, a scraper assembly 2 and a track wheel assembly 3. The frame 1 comprises a first support beam 11, a second support beam 12 and an eight-shaped beam 13. The eight-shaped beam 13 extends obliquely to the left and right sides from the bottom of the frame 1, the bottom of the eight-shaped beam 13 at the left end is fixed to the first support beam 11, and the bottom of the eight-shaped beam 13 at the right end is fixed to the second support beam 12. The first support beam 11 and the second support beam 12 are symmetrically arranged below the frame 1, and the first support beam 11 and the second support beam 12 extend along the forward direction of the paddy field machine.

[0031] The first supporting beam 11 and the second supporting beam 12 are respectively located at the left and right sides of the crawler device. The scraper assembly 2 includes a first scraper 21 and a second scraper 22 symmetrically arranged at both sides of the first supporting beam 11. The first scraper 21 includes a first fixing portion 211 and a first extending portion 212.

[0032] The first fixing portion 211 is fixed to the first supporting beam 11, and the first extending portion 212 is bent from the bottom of the first fixing portion 211 and extends to a side away from the first supporting beam 11. The supporting roller assembly 3 includes a first supporting roller 31 and a second supporting roller 32 symmetrically arranged on both sides of the first supporting beam 11. The first scraper 21 is arranged on one side of the first supporting roller 31, and the second scraper 22 is arranged on one side of the second supporting roller 32. The supporting roller assembly 3 also includes a third supporting roller 33 arranged on one side of the first supporting roller 31. The first scraper 21 is arranged between the first supporting roller 31 and the third supporting roller 33.

[0033] The angle between the first extension portion 212 and the first fixing portion 211 is greater than 90°, and the angle between the first extension portion 212 and the horizontal plane does not exceed 30°. The length of the first extension portion 212 along the axial direction of the first roller 31 is not less than the length of the first roller 31 along its own axial direction. The first extension portion 212 is arranged below the plane where the axis of the first roller 31 and the axis of the third roller 33 are located.

[0034] A guide member 111 is provided below the first supporting beam 11. The crawler track 4 is arranged around the supporting roller assembly 3, and the crawler track 4 includes a guide groove 41, and the guide member 111 is arranged in the guide groove 41. The first supporting beam 11 also includes a fourth supporting roller 34, a fifth supporting roller 35, a sixth supporting roller 36 and a seventh supporting roller 37 arranged on the same side of the first supporting roller 31, a third scraper 23 is provided between the first supporting roller 31 and the fourth supporting roller 34, a fourth scraper 24 is provided between the fifth supporting roller 35 and the sixth supporting roller 36, and a fifth scraper 25 is provided between the sixth supporting roller 36 and the seventh supporting roller 37. The supporting roller assemblies 3 and the scraper assemblies 2 on both sides of the first supporting beam 11 are symmetrically arranged, and the first supporting beam 11 and the second supporting beam 12 are symmetrically arranged.

[0035] It will be apparent to those skilled in the art that various modifications and variations can be made to the above exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention covers modifications and variations of the present invention that fall within the scope of the appended claims and their equivalent technical solutions.

Claims

1. A crawler device for a paddy field machine, characterized in that: include: A frame, wherein the frame includes a first load beam at the bottom, and the first load beam extends along the forward direction of the paddy field machine; A scraper assembly, the scraper assembly comprising a first scraper and a second scraper symmetrically arranged on both sides of a first supporting beam, the first scraper comprising a first fixing portion and a first extending portion, the first fixing portion being fixed to the first supporting beam, the first extending portion being bent from the first fixing portion and extending to a side away from the first supporting beam; The supporting roller assembly comprises a first supporting roller and a second supporting roller symmetrically arranged on both sides of a first supporting roller beam, the first scraper is arranged on one radial side of the first supporting roller, and the second scraper is arranged on one radial side of the second supporting roller.

2. The crawler device according to claim 1, characterized in that: An angle between the first extending portion and the first fixing portion is greater than 90°.

3. The crawler device according to claim 2, characterized in that: The length of the first extension portion along the axial direction of the first roller is greater than or equal to the axial length of the first roller.

4. The crawler device according to claim 3, characterized in that: The supporting roller assembly also includes a third supporting roller, and the third supporting roller and the first supporting roller are arranged on the same side of the first supporting roller beam, the radial distance between the first supporting roller and the third supporting roller is less than or equal to the width of the first extension portion along the forward direction of the paddy field machine, and the first scraper is arranged between the first supporting roller and the third supporting roller.

5. The crawler device according to claim 4, characterized in that: The first extension portion is arranged below the plane where the axis of the first supporting roller and the axis of the third supporting roller are located.

6. The crawler device according to claim 5, characterized in that: An angle between the first extension portion and a horizontal plane is less than or equal to 30°.

7. The crawler device according to claim 6, characterized in that: It also includes a guide member arranged below the first supporting beam and a crawler track arranged around the supporting wheel assembly, wherein the crawler track includes a guide groove, and the guide member is arranged in the guide groove.

8. The crawler device according to claim 7, characterized in that: The frame also includes an S-shaped beam, the left end of the S-shaped beam is fixed to the first supporting beam, and the right end of the S-shaped beam is fixed to the second supporting beam.

9. The crawler device according to claim 8, characterized in that: The first load beam also includes a fourth load wheel, a fifth load wheel, a sixth load wheel and a seventh load wheel which are arranged on the same side of the first load wheel, a third scraper is arranged between the first load wheel and the fourth load wheel, a fourth scraper is arranged between the fifth load wheel and the sixth load wheel, and a fifth scraper is arranged between the sixth load wheel and the seventh load wheel.

10. The crawler device according to claim 9, characterized in that: The supporting wheel assemblies and the scraper assemblies on both sides of the first supporting beam are symmetrically arranged, and the first supporting beam and the second supporting beam are symmetrically arranged.

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