CN215097907U

CN215097907U - Thrust wheel assembly and agricultural machine

Info

Publication number: CN215097907U
Application number: CN202022347924.2U
Authority: CN
Inventors: 邓可; 周志
Original assignee: Changsha Sanglaite Agricultural Mechanical Equipment Co Ltd
Current assignee: Changsha Sanglaite Agricultural Mechanical Equipment Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-12-10
Anticipated expiration: 2030-10-20

Abstract

The utility model provides a thrust wheel assembly for agricultural machinery, which comprises a wheel shaft, a plurality of bearings arranged on the wheel shaft, and a thrust wheel arranged on the bearings; the one end of thrust wheel is equipped with first oil blanket respectively, and set up in the second oil blanket of first oil blanket one end, the second oil blanket deviates from the one end of first oil blanket is equipped with the end cover, the end cover with thrust wheel detachably fixed connection. The thrust wheel assembly of this structure owing to set up first oil blanket and second oil blanket at its tip, has adopted the double seal mode to seal promptly, consequently, compares with the thrust wheel assembly of current structure, and it is better that it has sealed effect that is more suitable for the operation in the comparatively abominable mud field of environment, and life is longer to and use cost is lower advantage. Furthermore, the utility model discloses still provide an agricultural machine including above-mentioned thrust wheel assembly.

Description

Thrust wheel assembly and agricultural machine

Technical Field

The utility model relates to the field of agricultural machinery, in particular to thrust wheel assembly and agricultural machinery.

Background

In recent years, with the continuous development of science and technology and economy, various agricultural machines such as crawler tractors and the like are more and more widely applied in vast rural areas.

The crawler tractor comprises a crawler and a plurality of supporting wheels, guide wheels, a tensioning device and the like which are arranged in the crawler. The crawler-type tractor is usually used for paddy field cultivation and the like, namely parts such as a thrust wheel and the like are usually operated in a mud field, so that the working environment is worse and the requirement on the sealing property is higher compared with the thrust wheel in other fields. However, the thrust wheel applied to the crawler tractor at present generally has the problems of poor sealing performance, short service life, high failure rate and high use cost.

In summary, how to provide a thrust wheel assembly with good sealing performance and longer service life, and an agricultural machine including the thrust wheel assemblies, have become technical problems that need to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the thrust wheel assembly with good sealing performance and longer service life and the agricultural machine comprising the same are provided.

The utility model discloses a solution is realized like this: the utility model provides a thrust wheel assembly for agricultural machinery, which comprises a wheel shaft, a plurality of bearings arranged on the wheel shaft, and a thrust wheel arranged on the bearings; the one end of thrust wheel is equipped with first oil blanket respectively, and set up in the second oil blanket of first oil blanket one end, the second oil blanket deviates from the one end of first oil blanket is equipped with the end cover, the end cover with thrust wheel detachably fixed connection. The thrust wheel assembly of this structure owing to set up first oil blanket and second oil blanket at its tip, has adopted the double seal mode to seal promptly, consequently, compares with the thrust wheel assembly of current structure, more is fit for the operation in the comparatively abominable mud field of environment, and it has sealed effect better, and life is longer to and use cost is lower advantage.

The utility model discloses a another technical scheme lies in on above-mentioned basis, the bearing includes first bearing to and the second bearing that sets up relatively with first bearing, first oil blanket and second oil blanket set up in the second bearing deviates from the one end of first bearing.

The utility model discloses a another technical scheme lies in on above-mentioned basis, it is equipped with the spacer still to overlap on the shaft, first bearing and second bearing set up respectively in the both ends of spacer.

The utility model discloses a another technical scheme lies in on above-mentioned basis, still be equipped with the gland between first oil blanket and the second oil blanket, the one end of gland support in the one end of first oil blanket, the gland whole accept in the thrust wheel.

Another technical scheme of the utility model lies in on above-mentioned basis, the one end of shaft still is equipped with the wheel cover, the wheel cover is close to the one end of second bearing support hold in on the gland.

The utility model discloses a another technical scheme lies in on above-mentioned basis, the gland deviates from the one end of first oil blanket still is equipped with the end cover, the second oil blanket set up in the end cover, just the end cover set up in on the wheel cover.

Another technical scheme of the utility model lies in on the basis of the aforesaid, first bearing deviates from the one end of second bearing still is equipped with the packing ring to and be used for the fixed first bolt that sets up at the shaft tip of packing ring, the one end of packing ring support hold in the tip of first bearing.

The utility model discloses an another technical scheme lies in on above-mentioned basis, first bolt deviates from the one end of first bearing still is equipped with the end cap, the outside of end cap still is equipped with first retaining ring, the periphery of end cap still is equipped with the sealing washer.

The utility model discloses a another technical scheme lies in on above-mentioned basis, still be equipped with the gasket between second bearing and the first oil blanket, the gasket cover be equipped with in epaxial, still the periphery of gasket still is equipped with the second retaining ring.

On the other hand, the utility model also provides an agricultural machine, including track and be used for supporting the thrust wheel assembly of track, the thrust wheel assembly becomes as above the thrust wheel assembly.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

Fig. 1 is a schematic cross-sectional view of a thrust wheel device according to the present invention.

The corresponding relation of the reference signs is as follows:

1 thrust wheel 2 sealing ring 3 plug

4 first retainer ring, 5 oil cup and 6 gasket

7 wheel axle 8 first bearing 9 shim

10 second stop ring 11 first oil seal 12 gland

13 end cover 14 second oil seal 15 spacer

16 wheel sleeve 17 second bearing 18 first bolt

19 second bolt

Detailed Description

The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

The embodiment of the utility model provides a as follows, please see the thrust wheel assembly shown in figure 1, for on the agricultural machine, the thrust wheel assembly specifically includes shaft 7, set up in a plurality of bearing on shaft 7, and set up thrust wheel 1 on a plurality of bearing, the one end of thrust wheel 1, specifically be shown in the figure the right-hand member be equipped with first oil blanket 11 respectively, and set up in 11 one end of first oil blanket, specifically be the second oil blanket 14 of shown right-hand member in the figure, second oil blanket 14 deviates from the one end of first oil blanket 11, shown right-hand member in the figure is equipped with end cover 13 promptly, end cover 13 is in the same place with 1 detachably fixed connection of thrust wheel, specifically accessible bolted connection etc. mode is connected. The thrust wheel assembly of this structure owing to set up first oil blanket 11 and second oil blanket 14 at its tip, has adopted the double seal mode to seal promptly, consequently, compares with the thrust wheel assembly of current structure, more is fit for the operation in the comparatively abominable mud field of environment, and it has sealed effect better, and life is longer to and use cost is lower advantage.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the bearing specifically includes the first bearing 8 and the second bearing 17, the first bearing 8 and the second bearing 17 are disposed relatively, and the first oil seal 11 and the second oil seal 14 are disposed at one end of the second bearing 17 deviating from the first bearing 8, i.e. the right end shown in the drawing.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the wheel shaft 7 is further sleeved with a spacer 15, the first bearing 8 and the second bearing 17 are respectively disposed at two ends of the spacer 15, more specifically, two ends of the spacer 15 respectively abut against the right end of the first bearing 8 and the left end of the second bearing 17, and the function of fixing the first bearing 8 and the second bearing 17 is achieved.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, a pressing cover 12 is further disposed between the first oil seal 11 and the second oil seal 14, more specifically, the left end surface of the pressing cover 12 abuts against the right end surface of the first oil seal 11, so as to fix the first oil seal 11, and meanwhile, the pressing cover 12 is integrally accommodated in the thrust wheel 1, that is, the periphery of the pressing cover 12 contacts with the inner wall of the thrust wheel 1.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, one end of the wheel axle 7, specifically, the right end shown in the figure, is further provided with a wheel sleeve 16, and the wheel sleeve 16 is close to one end of the second bearing 17, that is, the left end shown in the figure is abutted against the gland 12.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the pressing cover 12 deviates from one end of the first oil seal 11, that is, the right end shown in the figure is further provided with an end cover 13, one side of the end cover 13 close to the first oil seal 11 is provided with a holding cavity, and the second oil seal 14 is arranged in the holding cavity of the end cover 13. In addition, the end cover 13 is further disposed on the wheel sleeve 16, specifically, the end cover 13 is disposed on the wheel sleeve 16, and the right end of the wheel sleeve 16 is further provided with a second bolt 19, that is, the wheel sleeve 16 is detachably fixed on the wheel shaft 7 by the second bolt 19.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the first bearing 8 deviates from the end of the second bearing 17, that is, the left end shown in the figure is further provided with a gasket 6, and at the same time, the first bearing is further provided with a first bolt 18 for fixing and arranging the gasket 6 at the end of the wheel axle 7, and one end of the gasket 6, that is, the right end shown in the figure, is abutted against the left end of the first bearing 8.

On the basis of the above embodiment, in another embodiment of the utility model, as shown in fig. 1, first bolt 18 deviates from the one end of first bearing 8, and the left end that shows in the circle still is equipped with end cap 3 promptly, and the outside of end cap 3 still is equipped with first retaining ring 4, still is equipped with the oil cup 5 that is used for filling lubricating oil on the first retaining ring 4, and the periphery of end cap 3 still is equipped with the seal groove, still is equipped with sealing washer 2 of sealed effect in the seal groove.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, a gasket 9 is further disposed between the second bearing 17 and the first oil seal 11, the gasket 9 is sleeved on the wheel axle 7, and two sides of the gasket 9 are respectively supported on the second bearing 17 and the first oil seal 11. Meanwhile, the periphery of the gasket 9 is also provided with a second retaining ring 10, and two sides of the second retaining ring 10 respectively abut against the second bearing 17 and the first oil seal 11.

The thrust wheel assembly with the structure has better sealing property because of adopting double sealing, is more suitable for operation in mud fields with severe environment, and has shorter service life and lower use cost.

Furthermore, the utility model also provides an agricultural machine, including the track to and be used for supporting the thrust wheel assembly of track, the thrust wheel assembly becomes as above the thrust wheel assembly.

The agricultural machine with the structure can be a crawler tractor, a crawler rotary cultivator and the like, and accordingly has the advantages of low use cost and longer service life.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A thrust wheel assembly for an agricultural machine, comprising a wheel axle (7), a plurality of bearings arranged on the wheel axle (7), and a thrust wheel (1) arranged on the bearings;

one end of the thrust wheel (1) is respectively provided with a first oil seal (11) and a second oil seal (14) arranged at one end of the first oil seal (11), one end of the second oil seal (14) departing from the first oil seal (11) is provided with an end cover (13), and the end cover (13) is detachably and fixedly connected with the thrust wheel (1);

the bearing comprises a first bearing (8) and a second bearing (17) arranged opposite to the first bearing (8), and the first oil seal (11) and the second oil seal (14) are arranged at one end, away from the first bearing (8), of the second bearing (17);

the wheel shaft (7) is further sleeved with a spacer bush (15), and the first bearing (8) and the second bearing (17) are respectively arranged at two ends of the spacer bush (15);

a gland (12) is further arranged between the first oil seal (11) and the second oil seal (14), one end of the gland (12) is abutted against one end of the first oil seal (11), and the gland (12) is integrally accommodated in the thrust wheel (1);

one end of the wheel shaft (7) is also provided with a wheel sleeve (16), and one end, close to the second bearing (17), of the wheel sleeve (16) is abutted against the gland (12);

the gland (12) deviates from one end of the first oil seal (11) is further provided with an end cover (13), the second oil seal (14) is arranged in the end cover (13), and the end cover (13) is arranged on the wheel sleeve (16). (ii) a

And a gasket (6) and a first bolt (18) for fixedly arranging the gasket (6) at the end part of the wheel shaft (7) are further arranged at one end of the first bearing (8) departing from the second bearing (17), and one end of the gasket (6) is abutted against the end part of the first bearing (8).

2. The supporting wheel assembly as claimed in claim 1, wherein a plug (3) is further disposed at an end of the first bolt (18) facing away from the first bearing (8), a first retainer ring (4) is further disposed at an outer side of the plug (3), and a sealing ring (2) is further disposed at a periphery of the plug (3).

3. The thrust wheel assembly according to claim 2, wherein a gasket (9) is further arranged between the second bearing (17) and the first oil seal (11), the gasket (9) is sleeved on the wheel shaft (7), and a second retaining ring (10) is further arranged on the periphery of the gasket (9).

4. An agricultural machine comprising a track and a bogie wheel assembly for supporting the track, wherein the bogie wheel assembly is as claimed in any one of claims 1 to 3.