CN219857413U - Harvester thrust wheel assembly structure - Google Patents

Abstract

The utility model relates to the field of crawler track roller connection, and discloses a harvester track roller assembly structure, which comprises a supporting beam, a track roller assembly and a fixed seat arranged at the bottom of the supporting beam, wherein the track roller assembly comprises a connecting shaft assembly and a wheel body, a connecting groove is formed in the fixed seat, a limiting plate is fixedly connected onto the fixed seat, a fixed block is fixedly connected onto the limiting plate, the fixed seat is provided with a locking bolt, and two ends of the fixed seat are in threaded connection with each other. The utility model has the following advantages and effects: the fixed block is inserted into the positioning groove and penetrates through the fixed seat and the fixed block to fix the thrust wheel assembly and the limiting plate through the locking bolt, so that the assembly and the disassembly are convenient; the locking bolt tip sets up the promotion chamfer, when locking bolt stretches into the connecting hole, promotes the chamfer and leads the chamfer and contact to promote the fixed block to the inside removal of constant head tank, to the connecting hole with locking bolt tip alignment, thereby improved the stability that the connecting axle assembly was connected in the fixing base.

Description

Harvester thrust wheel assembly structure

Technical Field

The utility model relates to the field of crawler trolley supporting wheel connection, in particular to a harvester supporting wheel assembly structure.

Background

There are two structures for harvester thrust wheels in the current market: a cantilever type assembly structure, namely, a supporting wheel is arranged at one side of a bearing beam of a harvester as an assembly, and the structure is convenient to install, but is uneven in stress and easy to cause the breakage of a wheel shaft; the other structure is a riding type split supporting wheel, namely the supporting wheel is arranged on two sides of a supporting beam of the harvester in a split mode, and the problem of uneven stress of a wheel shaft is solved, but all supporting wheel components are required to be independently arranged on the supporting beam of a chassis of the harvester, and time and labor are wasted during assembly.

Disclosure of Invention

The utility model aims to provide a supporting wheel assembly structure of a harvester, which has the effect of convenient disassembly and assembly.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a harvester thrust wheel assembly structure, is in including supporting beam, thrust wheel assembly and setting supporting beam bottom fixing base, the thrust wheel assembly includes the connecting axle assembly and is in respectively fixed connection the wheel body at connecting axle assembly both ends, be provided with the confession on the fixing base the spread groove of connecting axle assembly embedding, the fixing base sets up two between the wheel body, fixedly connected with restriction on the fixing base the connecting axle assembly breaks away from the limiting plate of spread groove.

Through adopting above-mentioned technical scheme, carry out fixed connection with the thrust wheel through thrust wheel assembly and fixing base, when need changing the maintenance to the thrust wheel, directly dismantle whole thrust wheel assembly and change, maintain the thrust wheel assembly of dismantling to easy dismounting's effect has been realized.

The utility model is further provided with: the connecting shaft assembly comprises a shell and a rotating shaft rotatably connected in the shell, two ends of the rotating shaft respectively extend out of the shell, a wheel shaft hole for the end part of the rotating shaft to pass through is formed in the wheel body, and one end of the rotating shaft extending out of the wheel shaft hole is connected with a locking nut in a threaded manner.

The utility model is further provided with: and a rotating bearing positioned in the shell is sleeved on the rotating shaft.

The utility model is further provided with: and a bearing retainer ring for limiting the axial sliding of the rolling bearing and a positioning groove for embedding the bearing retainer ring are arranged in the shell.

The utility model is further provided with: the rotating shaft is sleeved with a seal located in the shell, and the seal is located on the outer side of the rotating bearing.

The utility model is further provided with: the limiting plate is fixedly connected with the shell.

The utility model is further provided with: the fixing seat is connected with a connecting bolt which limits the limiting plate to be separated from the fixing seat through threads, and the limiting plate is provided with a fixing hole through which the connecting bolt passes.

Through adopting above-mentioned technical scheme, when being connected to the thrust wheel assembly, pass fixed orifices threaded connection on the fixing base through connecting bolt, realize the fixed connection of thrust wheel assembly on the fixing base.

The utility model also provides a connection mode of the limiting plate and the fixing seat, which comprises the following steps: the limiting plate is fixedly connected with a fixing block, the fixing seat is provided with a positioning groove for the fixing block to be inserted into, two ends of the fixing seat are in threaded connection with locking bolts, and the fixing block is provided with a connecting hole for the locking bolts to pass through.

Through adopting above-mentioned technical scheme, compare directly pass threaded connection in the fixing base from limiting plate bottom through the bolt, can be blocked by the thrust wheel to the dismouting of bolt, this scheme inserts the constant head tank and passes fixing base and fixed block through locking bolt and fix thrust wheel assembly and limiting plate, and the rotatory usable right angle spanner to locking bolt operates, and the rotation of right angle spanner can not receive the influence of wheel body, and the dismouting is more convenient. The locking bolt which is transversely connected to the end part of the fixing seat can be disassembled and assembled by the hexagonal wrench, and meanwhile, the axial impact on the locking bolt is changed into the radial impact on the locking bolt, so that the loosening risk on the locking bolt is reduced.

The utility model is further provided with: the end part of the locking bolt is provided with a pushing chamfer, and one side of the connecting hole, which is close to the end part of the fixing seat, is respectively provided with a guiding chamfer.

Through adopting above-mentioned technical scheme, when locking bolt rotates, promote the chamfer earlier with leading the chamfer contact, along with locking bolt's rotation, the fixed block is progressively pushed into the constant head tank for the connecting hole aligns with locking bolt tip, has improved the stability of connection.

The beneficial effects of the utility model are as follows:

1. the fixed block is inserted into the positioning groove and penetrates through the fixed seat and the fixed block to fix the thrust wheel assembly and the limiting plate through the locking bolt, so that the assembly and the disassembly are convenient;

2. the locking bolt tip sets up the promotion chamfer, when locking bolt stretches into the connecting hole, promotes the chamfer and leads the chamfer and contact to promote the fixed block to the inside removal of constant head tank, to the connecting hole with locking bolt tip alignment, thereby improved the stability that the connecting axle assembly was connected in the fixing base.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of embodiment 1.

FIG. 2 is a diagram of the connection relationship of the connecting shaft assembly of example 1.

Fig. 3 is an internal structural diagram of embodiment 1.

Fig. 4 is a connection relation diagram of the limiting plate of example 2.

In the figure, 1, a lock nut; 2. a spring washer; 3. a gasket; 4. a wheel body; 5. an end cap; 6. sealing; 7. a shaft sleeve; 8. a type B bond; 9. a bearing retainer ring; 10. a rolling bearing; 11. a rotating shaft; 12. a connecting shaft assembly; 13. a limiting plate; 131. a fixing hole; 14. a fixing seat; 141. a connecting bolt; 15. a connecting groove; 16. a fixed block; 17. a positioning groove; 18. a locking bolt; 19. a connection hole; 20. pushing the chamfer; 21. guiding chamfering; 22. a support beam.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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 fall within the scope of the utility model.

Embodiment 1, a harvester thrust wheel assembly structure, as shown in fig. 1, 2, including a supporting beam 22, a thrust wheel assembly and a fixing seat 14 disposed at the bottom of the supporting beam 22, the thrust wheel assembly includes a connecting shaft assembly 12 and wheel bodies 4 respectively fixedly connected at two ends of the connecting shaft assembly 12, a connecting groove 15 for embedding the connecting shaft assembly 12 is disposed on the fixing seat 14, the fixing seat 14 is disposed between the two wheel bodies 4, and a limiting plate 13 for limiting the connecting shaft assembly 12 from separating from the connecting groove 15 is fixedly connected on the fixing seat 14.

As shown in fig. 3, the connecting shaft assembly 12 includes a housing and a rotating shaft 11 rotatably connected in the housing, and a limiting plate 13 is fixedly connected with the housing. The two ends of the rotating shaft 11 extend out of the shell respectively, the wheel body 4 is provided with a wheel shaft hole for the end part of the rotating shaft 11 to pass through, and one end of the rotating shaft 11 extending out of the wheel shaft hole is connected with a locking nut 1 in a threaded manner. The rotating shaft 11 is sleeved with a rotating shaft 11 bearing positioned in the shell. A bearing retainer 9 for limiting the axial sliding of the rolling bearing 10 and a positioning groove 17 for embedding the bearing retainer 9 are arranged in the shell. The rotating shaft 11 is sleeved with a seal 6 positioned in the shell, and the seal 6 is positioned outside the bearing of the rotating shaft 11. The fixing seat 14 is in threaded connection with a connecting bolt 141 for limiting the limiting plate 13 from being separated from the fixing seat 14, and the limiting plate 13 is provided with a fixing hole 131 for the connecting bolt to pass through.

When the supporting wheel assembly is connected, the connecting bolts 141 penetrate through the fixing holes 131 to be connected to the fixing base 14 in a threaded mode, and therefore the supporting wheel assembly 12 is fixedly connected to the fixing base 14.

Embodiment 2 is different from embodiment 1 in that the connection structure of the limiting plate 13 and the fixing base 14 is that, as shown in fig. 4, a fixing block 16 is fixedly connected to the limiting plate 13, a positioning slot 17 into which the fixing block 16 is inserted is provided on the fixing base 14, locking bolts 18 are screwed at two ends of the fixing base 14, and a connection hole 19 through which the locking bolt 18 passes is provided on the fixing block 16. The end of the locking bolt 18 is provided with a pushing chamfer 20, and the side of the connecting hole 19 near the end of the fixing seat 14 is respectively provided with a guiding chamfer 21.

When the supporting wheel is replaced, the fixing block 16 is inserted into the positioning groove 17, the supporting wheel assembly and the limiting plate 13 are fixed through the fixing seat 14 and the fixing block 16 by the locking bolt 18, when the locking bolt 18 on the threaded connection and the fixing seat 14 passes through the connecting hole 19, the pushing chamfer 20 is contacted with the guiding chamfer 21, so that the fixing block 16 is pushed to move towards the inner side of the positioning groove 17 until the connecting hole 19 is aligned with the end part of the locking bolt 18, and then the end part of the locking bolt 18 passes through the connecting hole 19 and is in threaded connection with the inner wall of the positioning groove 17.

Claims (9)

1. The utility model provides a harvester thrust wheel assembly structure which characterized in that: including supporting beam (22), thrust wheel assembly and setting are in supporting beam (22) bottom fixing base (14), the thrust wheel assembly includes connecting axle assembly (12) and is in respectively fixed connection wheel body (4) at connecting axle assembly (12) both ends, be provided with on fixing base (14) and supply connecting axle assembly (12) embedded spread groove (15), fixing base (14) set up two between wheel body (4), fixedly connected with restriction on fixing base (14) connecting axle assembly (12) break away from limiting plate (13) of spread groove (15).

2. The harvester thrust wheel assembly structure of claim 1, wherein: the connecting shaft assembly (12) comprises a shell and a rotating shaft (11) rotatably connected in the shell, two ends of the rotating shaft (11) respectively extend out of the shell, a wheel shaft hole for allowing the end of the rotating shaft (11) to pass through is formed in the wheel body (4), and one end of the rotating shaft (11) extending out of the wheel shaft hole is connected with a locking nut (1) in a threaded mode.

3. The harvester thrust wheel assembly structure of claim 2, wherein: the rotating shaft (11) is sleeved with a rotating shaft (11) which is positioned in the shell.

4. A harvester thrust wheel assembly structure according to claim 3, wherein: a bearing retainer ring (9) for limiting the axial sliding of the rolling bearing (10) and a positioning groove (17) for embedding the bearing retainer ring (9) are arranged in the shell.

5. The harvester thrust wheel assembly structure of claim 4, wherein: the rotating shaft (11) is sleeved with a seal (6) positioned in the shell, and the seal (6) is positioned on the outer side of the rotating shaft (11).

6. A harvester thrust wheel assembly structure according to any one of claims 1 to 5, wherein: the limiting plate (13) is fixedly connected with the shell.

7. The harvester thrust wheel assembly structure of claim 6, wherein: the fixing seat (14) is connected with a connecting bolt (141) which limits the limiting plate (13) to be separated from the fixing seat (14) through threads, and the limiting plate (13) is provided with a fixing hole (131) through which the connecting bolt passes.

8. The harvester thrust wheel assembly structure of claim 6, wherein: fixed block (16) is fixedly connected to limiting plate (13), be provided with on fixing base (14) confession fixed block (16) male constant head tank (17), fixing base (14) both ends threaded connection has locking bolt (18), be provided with on fixed block (16) confession connecting hole (19) that locking bolt (18) passed.

9. The harvester thrust wheel assembly structure of claim 8, wherein: the end part of the locking bolt (18) is provided with a pushing chamfer (20), and one side of the connecting hole (19) close to the end part of the fixing seat (14) is respectively provided with a guiding chamfer (21).