Guide rail of crawler harvester

Abstract

The utility model relates to the field of crawler harvesters, and discloses a crawler harvester guide rail which comprises a chassis, a walking beam is fixed on the bottom face of the chassis, a crawler body is arranged on the walking beam in a surrounding mode, a riding wheel is arranged above the walking beam in a rotating mode, and the surface of the riding wheel is attached to the inner wall face of the crawler body. A driving wheel is rotatably arranged above the walking beam, the surface of the driving wheel is attached to the inner wall face of the crawler belt body, a plurality of thrust wheels are rotatably arranged on the bottom face of the walking beam, a front guide rail is detachably arranged on the bottom face of the walking beam, and a rear guide rail is detachably arranged on the bottom face of the walking beam. A tensioning wheel is rotationally arranged at one end of the walking beam. According to the utility model, the distance from the chassis to the crawler belt body and the ground is higher, so that when the crawler belt body passes through a muddy field, the resistance borne by the crawler belt body is small, the trafficability is higher, the load on the front guide rail and the rear guide rail is smaller, and the service life of the harvester is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of crawler harvesters, in particular to a guide rail for crawler harvesters. Background Art

[0002] With the progress of society and the development of technology, more and more modern agricultural machinery has been put into agricultural production operations, and the degree of automation of agricultural production has become higher and higher. Crawler harvesters have become one of the most common agricultural harvesting machinery. The movement of crawler harvesters depends on the cooperation between the wheel train and the crawler. The wheel train provides support, drive, stability and guidance for the crawler. The guide rail is an especially important part of the harvester wheel train. It provides good guidance and stability for the crawler when the harvester is moving, turning and crossing the ridge.

[0003] According to the Chinese patent with the announcement number: CN217994625U, a crawler harvester chassis includes: track wheels, the track wheels are connected to the wheel body beam frame, each track wheel is rotatably connected to the wheel body beam frame through a shaft with a bearing, a group of the track wheels are installed on both sides of the wheel body beam frame, the double row of iron teeth on the crawler are arranged between two adjacent track wheels, and the top of the wheel body beam frame is connected to a frame assembly.

[0004] In the above scheme, the guide rail and the guide wheel are arranged in the middle of the double row of iron teeth of the track, so that the chassis remains in the specified position of the track. However, it still has the following disadvantages: after the track enters a muddy field, the distance between the harvester and the track is close, which may increase the load on the guide rail and reduce the service life of the harvester. Utility Model Content

[0005] The utility model aims to provide a guide rail for a crawler harvester, so as to solve the problem that the distance between the harvester and the crawler is close, which may increase the load on the guide rail and reduce the service life of the harvester.

[0006] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme: a guide rail of a crawler harvester, including a chassis, a walking beam is fixed to the bottom surface of the chassis, a crawler body is arranged around the walking beam, a supporting wheel is rotatably arranged above the walking beam, the surface of the supporting wheel is in contact with the inner wall surface of the crawler body, a driving wheel is rotatably arranged above the walking beam, the surface of the driving wheel is in contact with the inner wall surface of the crawler body, a plurality of supporting wheels are rotatably arranged on the bottom surface of the walking beam, a front guide rail is detachably arranged on the bottom surface of the walking beam, the bottom surface of the front guide rail is in contact with the inner wall surface of the crawler body, a rear guide rail is detachably arranged on the bottom surface of the walking beam, the rear guide rail is in contact with the inner wall surface of the crawler body, and a tensioning wheel is rotatably arranged at one end of the walking beam.

[0007] Preferably, a plurality of connection seats are fixed to the bottom surface of the walking beam, and the plurality of connection seats are evenly distributed below the walking beam. A shaft sleeve is rotatably inserted inside the connection seat, and a surface of the shaft sleeve is rotatably inserted with a supporting wheel.

[0008] Preferably, a guide rail connecting plate is fixed to the bottom surface of the walking beam, and two mounting plates are fixed to the top surfaces of the front guide rail and the rear guide rail, one side of the mounting plate is provided with two connecting holes, and one side of the guide rail connecting plate is provided with a plurality of mounting holes, and mounting bolts are rotatably inserted inside the connecting holes, and one end of the mounting bolt passes through the connecting hole and is threadedly connected to the mounting hole with a nut.

[0009] Preferably, a reinforcing rib is fixed to one side of the mounting plate.

[0010] Preferably, the mounting plate is integrally mounted with a guide rail body.

[0011] Preferably, a plurality of weight-reducing grooves are provided inside the guide rail body.

[0012] Compared with the prior art, a crawler harvester guide rail adopting the above technical solution has the following features:

[0013] Beneficial effects:

[0014] 1. During the operation of the crawler body, the mounting surfaces of the front and rear guide rails are raised, but the working height remains unchanged. Since the front and rear guide rails are integrally formed by casting technology, they are low in cost, light in weight, high in structural strength, and long in service life. With the high-ground clearance chassis, the height from the chassis to the crawler body and the ground is higher. Therefore, when the crawler body passes through muddy fields, it encounters less resistance and has higher passability. The load on the front and rear guide rails is smaller, which increases the service life of the harvester.

[0015] 2. The mounting holes for installing the front guide rail and the rear guide rail are staggered up and down on the guide rail connecting plate, which increases the force-bearing area of ​​the mounting surface, makes the force distribution of the mounting surface uniform, and improves the stability and reliability of the front guide rail and the rear guide rail;

[0016] 3. The reinforcing ribs can ensure the strength of the mounting plate. In addition, thanks to the one-piece molding using a casting process, the front and rear guide rails can be designed with weight-reducing grooves with more complex structures. While ensuring the strength of the front and rear guide rails, the weight of the guide rails is greatly reduced, thereby reducing the load on the chassis. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of an embodiment.

[0018] Figure 2 It is a front perspective schematic diagram of the walking beam of the embodiment.

[0019] Figure 3 It is a front view schematic diagram of the guide rail connecting plate of the embodiment.

[0020] Figure 4 Schematic diagram of the front guide rail cross section of the embodiment.

[0021] In the figure: 1. chassis; 2. supporting wheel; 3. driving wheel; 4. track body; 5. supporting wheel; 6. front guide rail; 7. walking beam; 8. rear guide rail; 9. tensioning wheel; 10. guide rail connecting plate; 11. connecting seat; 12. bushing; 13. mounting plate; 14. guide rail body; 15. reinforcing rib; 16. weight reduction groove; 17. connecting hole; 18. mounting hole; 19. mounting bolt. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1 and Figure 2 As shown, a guide rail of a crawler harvester includes a chassis 1, a walking beam 7 is fixed to the bottom surface of the chassis 1, a crawler body 4 is arranged around the walking beam 7, a supporting wheel 2 is rotatably arranged above the walking beam 7, and the surface of the supporting wheel 2 is in contact with the inner wall surface of the crawler body 4, a driving wheel 3 is rotatably arranged above the walking beam 7, and the surface of the driving wheel 3 is in contact with the inner wall surface of the crawler body 4, a plurality of supporting wheels 5 are rotatably arranged on the bottom surface of the walking beam 7, a front guide rail 6 is detachably arranged on the bottom surface of the walking beam 7, and the bottom surface of the front guide rail 6 is in contact with the inner wall surface of the crawler body 4, a rear guide rail 8 is detachably arranged on the bottom surface of the walking beam 7, and the rear guide rail 8 is in contact with the inner wall surface of the crawler body 4, and a tensioning wheel 9 is rotatably arranged at one end of the walking beam 7.

[0024] During use, when the crawler body 4 is working, the mounting surfaces of the front guide rail 6 and the rear guide rail 8 are raised, but the working height remains unchanged. Since the front guide rail 6 and the rear guide rail 8 are integrally formed by a casting process, they have low cost, light weight, high structural strength and long service life. Combined with the high ground clearance chassis 1, the height from the chassis 1 to the crawler body 4 and the ground is higher. Therefore, when the crawler body 4 passes through a muddy field, it encounters less resistance and has higher passability. The load on the front guide rail 6 and the rear guide rail 8 is smaller, thereby increasing the service life of the harvester.

[0025] like Figure 2 and Figure 3As shown, a plurality of connecting seats 11 are fixed to the bottom surface of the walking beam 7, and the plurality of connecting seats 11 are evenly distributed below the walking beam 7. A shaft sleeve 12 is rotatably inserted inside the connecting seat 11, and the surface of the shaft sleeve 12 is rotatably inserted with the supporting wheel 5. A guide rail connecting plate 10 is fixed to the bottom surface of the walking beam 7, and two mounting plates 13 are fixed to the top surfaces of the front guide rail 6 and the rear guide rail 8. Two connecting holes 17 are provided on one side of the mounting plate 13, and a plurality of mounting holes 18 are provided on one side of the guide rail connecting plate 10. A mounting bolt 19 is rotatably inserted inside the connecting hole 17, and one end of the mounting bolt 19 passes through the connecting hole 17 and the mounting hole 18 and is threadedly connected with a nut.

[0026] During use, the mounting holes 18 for mounting the front guide rail 6 and the rear guide rail 8 are staggered up and down on the guide rail connecting plate 10, which increases the force-bearing area of ​​the mounting surface, makes the force distribution of the mounting surface uniform, and improves the stability and reliability of the front guide rail 6 and the rear guide rail 8.

[0027] like Figure 3 and Figure 4 As shown, a reinforcing rib 15 is fixed to one side of the mounting plate 13 , and a guide rail body 14 is integrally mounted on the mounting plate 13 , and a plurality of weight-reducing grooves 16 are provided inside the guide rail body 14 .

[0028] During use, the reinforcing ribs 15 can ensure the strength of the mounting plate 13. In addition, by using a casting process for integral molding, the front guide rail 6 and the rear guide rail 8 can be designed with a weight-reducing groove 16 with a more complex structure. While ensuring the strength of the front guide rail 6 and the rear guide rail 8, the weight of the guide rail is greatly reduced, thereby reducing the load on the chassis 1.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A guide rail for a crawler harvester, comprising a chassis (1), characterized in that: A walking beam (7) is fixed to the bottom surface of the chassis (1), a crawler body (4) is arranged around the walking beam (7), a supporting wheel (2) is rotatably arranged above the walking beam (7), the surface of the supporting wheel (2) is in contact with the inner wall surface of the crawler body (4), a driving wheel (3) is rotatably arranged above the walking beam (7), the surface of the driving wheel (3) is in contact with the inner wall surface of the crawler body (4), a plurality of supporting rollers (5) are rotatably arranged on the bottom surface of the walking beam (7), a front guide rail (6) is detachably arranged on the bottom surface of the walking beam (7), the bottom surface of the front guide rail (6) is in contact with the inner wall surface of the crawler body (4), a rear guide rail (8) is detachably arranged on the bottom surface of the walking beam (7), the rear guide rail (8) is in contact with the inner wall surface of the crawler body (4), and a tensioning wheel (9) is rotatably arranged at one end of the walking beam (7).

2. A crawler harvester guide rail according to claim 1, characterized in that: A plurality of connection seats (11) are fixed to the bottom surface of the walking beam (7), and the plurality of connection seats (11) are evenly distributed below the walking beam (7). A shaft sleeve (12) is rotatably inserted inside the connection seat (11), and the surface of the shaft sleeve (12) is rotatably inserted with the supporting wheel (5).

3. The guide rail for a crawler harvester according to claim 1, characterized in that: A guide rail connecting plate (10) is fixed to the bottom surface of the walking beam (7), and two mounting plates (13) are fixed to the top surfaces of the front guide rail (6) and the rear guide rail (8), one side of the mounting plate (13) is provided with two connecting holes (17), one side of the guide rail connecting plate (10) is provided with a plurality of mounting holes (18), a mounting bolt (19) is rotatably inserted into the interior of the connecting hole (17), and one end of the mounting bolt (19) passes through the connecting hole (17) and is threadedly connected to the mounting hole (18) with a nut.

4. The guide rail for a crawler harvester according to claim 3, characterized in that: A reinforcing rib (15) is fixed to one side of the mounting plate (13).

5. The guide rail for a crawler harvester according to claim 3, characterized in that: The mounting plate (13) is integrally mounted with a guide rail body (14).

6. The guide rail for a crawler harvester according to claim 5, characterized in that: A plurality of weight-reducing grooves (16) are provided inside the guide rail body (14).

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