CN214451405U

CN214451405U - Guide wheel assembly and agricultural machine

Info

Publication number: CN214451405U
Application number: CN202022345036.7U
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: 2021-10-22
Anticipated expiration: 2030-10-20

Abstract

The utility model provides a leading wheel assembly for agricultural machine, including the guiding axle, set up in a plurality of bearing on the guiding axle, and set up in leading wheel on the bearing, the leading wheel with the one end of guiding axle contact is equipped with first oil blanket, the one end of first oil blanket still is equipped with the second oil blanket, the second oil blanket deviates from the one end of first oil blanket still is equipped with the tight cover that expands, the tight cover that expands is located on the guiding axle. The leading wheel assembly of this structure adopts double seal at its tip, and first oil blanket and second oil blanket seal promptly, can prevent effectively that profit from getting into inside it, its leakproofness has obtained effective improvement, compares with the leading wheel assembly of current structure, and it has that sealing performance is good, long service life to and advantage that use cost is low. Furthermore, the utility model also provides an agricultural machine including above-mentioned leading wheel assembly.

Description

Guide wheel assembly and agricultural machine

Technical Field

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

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 tractor is used for paddy field cultivation etc. usually, and operational environment is comparatively abominable, and the leading wheel of using at present, the ubiquitous leakproofness is relatively poor problem, and inside muddy water got into the leading wheel, the leading wheel just damaged easily to lead to its life weak point, problem that use cost is high.

In summary, how to provide a guide wheel assembly with good sealing performance, long service life and low use cost, and an agricultural machine comprising the guide wheel assembly, 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 guide wheel assembly has the advantages of good sealing performance, long service life and low use cost, and the agricultural machine comprising the guide wheel assembly.

The utility model discloses a solution is realized like this: the utility model provides a leading wheel assembly for agricultural machine, including the guiding axle, set up in a plurality of bearing on the guiding axle, and set up in leading wheel on the bearing, the leading wheel with the one end of guiding axle contact is equipped with first oil blanket, the one end of first oil blanket still is equipped with the second oil blanket, the second oil blanket deviates from the one end of first oil blanket still is equipped with the tight cover that expands, the tight cover that expands is located on the guiding axle. The leading wheel assembly of this structure adopts double seal at its tip, and first oil blanket and second oil blanket seal promptly, can prevent effectively that profit from getting into inside it, its leakproofness has obtained effective improvement, compares with the leading wheel assembly of current structure, and it has that sealing performance is good, long service life to and advantage that use cost is low.

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, be equipped with the circle groove on the inner wall of leading wheel, first oil blanket with still be equipped with between the second bearing and be used for preventing that the second bearing is in the retaining ring of removal on the guiding axle, the retaining ring set up in the circle inslot.

The utility model discloses a another technical scheme lies in on above-mentioned basis, first bearing deviates from the one end of second bearing still is equipped with outer end cover, outer end cover detachably fixed set up in the tip of leading wheel.

The utility model discloses an another technical scheme lies in on above-mentioned basis, it is equipped with the spacer still to overlap on the guiding axle, the both ends of spacer support respectively in on the terminal surface of first oil blanket and second oil blanket.

The utility model discloses a another technical scheme lies in on above-mentioned basis, the second oil blanket deviates from the one end of first oil blanket still is equipped with interior end cap, interior end cap cover is located expand tightly to sheathe in, the second oil blanket set up in the interior end cap.

The utility model discloses a another technical scheme lies in on above-mentioned basis, be equipped with the connecting hole on the interior end cap, be equipped with the connecting piece in the connecting hole, interior end cap passes through connecting piece detachably fixed connection is in on the leading wheel.

The utility model discloses an another technical scheme lies in on above-mentioned basis, it is equipped with the uide bushing still to overlap on the guiding axle, the one end of uide bushing support hold in the tight cover that expands deviates from the one end of second oil blanket.

The utility model discloses a another technical scheme lies in on above-mentioned basis, the uide bushing deviates from the one end of bloated tight cover still is equipped with the gasket that is used for preventing the uide bushing removal, still be equipped with first bolt on the gasket, the gasket passes through first bolt detachably fixed set up in the tip of guiding axle.

On the other hand, the utility model also provides an agricultural machine, including track and the leading wheel assembly that is used for the track direction, the leading wheel assembly is as above leading 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 guide wheel device according to the present invention;

fig. 2 is a schematic cross-sectional view of another guide wheel device according to the present invention.

The corresponding relation of the reference signs is as follows:

1 guide wheel 2 spacer 3 first bearing

4 retaining ring 5 first oil seal 6 gasket

7 expansion sleeve 8, second oil seal 9 inner end cap

10 oil cup 11 guide shaft 12 outer end cover

13 guide sleeve 14 first bolt 15 second bolt

16 third bolt 17 fourth bolt 18 second bearing

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 leading wheel assembly shown in fig. 1 and fig. 2 for agricultural machine, specifically include guiding axle 11, set up a plurality of bearing on guiding axle 11, and set up leading wheel 1 on the bearing, the one end of guiding wheel 1 and the 11 contacts of guiding axle, the right-hand member shown in the picture still is equipped with first oil blanket 5 promptly, the one end of first oil blanket 5 specifically is shown in the picture right-hand member still is equipped with second oil blanket 8, second oil blanket 8 deviates from the one end of first oil blanket 5, shown right-hand member in the picture still is equipped with the tight cover 7 of expanding promptly, the tight cover 7 covers of expanding is located on guiding axle 11. The leading wheel assembly of this structure adopts double seal at its tip, and first oil blanket 5 and second oil blanket 8 seal promptly, can prevent effectively that profit from getting into inside it, and its leakproofness has obtained effective improvement, compares with the leading wheel assembly of current structure, and it has that sealing performance is good, long service life to and advantage that use cost is low.

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 3 and the second bearing 18, the first bearing 3 and the second bearing 18 are disposed relatively, and the first oil seal 5 and the second oil seal 8 are disposed at one end of the second bearing 18 deviating from the first bearing 3, 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, a ring groove is formed on the inner wall of the guide wheel 1, and a retaining ring 4 for preventing the second bearing 18 from moving left and right on the guide shaft 11 is further disposed between the first oil seal 5 and the second bearing 18, specifically, the retaining ring 4 is disposed in the ring groove.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the first bearing 3 deviates from the one end of the second bearing 18, that is, the left end shown in the figure is further provided with the outer end cap 12, the outer end cap 12 is provided with a bolt hole, the bolt hole is provided with the fourth bolt 17, and the outer end cap 12 is detachably and fixedly arranged at the left end of the guide wheel 1 through the fourth bolt 17. The number of the fourth bolts 17 is preferably plural.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, for conveniently fixing the first bearing 3 and the second bearing 18, the guide shaft 11 is further provided with the spacer 2, the left end of the spacer 2 is supported on the right end face of the second bearing 18, and the right end of the spacer 2 is supported on the left end face of the first bearing 3.

On the basis of the above embodiment, in another embodiment of the utility model, as shown in fig. 1, second oil blanket 8 deviates from the one end of first oil blanket 5, and the right-hand member shown in the figure still is equipped with interior end cap 9 promptly, and the interior end cap 9 specifically overlaps and locates on the tight cover 7 that expands, and second oil blanket 8 specifically sets up in interior end cap 9. More specifically, after the inner cap is fitted over the expansion sleeve 7, a cavity is formed between the inner cap 9 and the expansion sleeve 7, and the second oil seal 8 is disposed in the cavity.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, the inner end cap 9 is further provided with a connecting hole, a connecting member is disposed in the connecting hole, the inner end cap 9 is fixedly connected to the guide wheel 1 by the connecting member detachably, more specifically, the connecting member is specifically the third bolt 16, and the number of the third bolts 16 is preferably plural.

On the basis of the above-mentioned embodiment, the utility model discloses in another embodiment, as shown in fig. 1, for preventing that the tight cover 7 that expands from removing on the guiding axle 11, still the cover is equipped with uide bushing 13 on the guiding axle 11, the one end of uide bushing 13, the left end shown in the picture promptly supports and holds in the tight cover 7 that expands and deviates from the one end of second oil blanket 8, supports the right-hand member that holds in the tight cover 7 that expands promptly.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, in order to prevent the guide sleeve 13 from moving on the guide shaft 11, the guide sleeve 13 deviates from one end of the expansion sleeve 7, i.e., the right end shown in the figure is further provided with the gasket 6 for preventing the guide sleeve 13 from moving, and the gasket 6 is further provided with the first bolt 14, i.e., the gasket 6 is detachably and fixedly arranged at the right end of the guide shaft 11 through the first bolt 14.

As shown in fig. 1 and 2, the guide wheel 1 is further provided with an oil cup 10 for filling lubricating oil, and in fig. 2, the left end of the guide shaft 11 is further provided with a second bolt 15.

The guide wheel assembly with the structure has the advantages of better sealing performance, longer service life and lower use cost due to the adoption of double sealing.

Furthermore, the utility model also provides an agricultural machine specifically includes the track and is used for carrying out the leading wheel assembly that leads for the track, and the leading wheel assembly specifically is as above the leading wheel assembly. As for the agricultural machine, a crawler tractor or the like may be specifically mentioned, and this is not particularly limited.

The agricultural machine with the structure has the advantages of the guide wheel assembly correspondingly.

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. The utility model provides a leading wheel assembly for agricultural machine, its characterized in that, including guiding axle (11), set up in a plurality of bearing on guiding axle (11), and set up in leading wheel (1) on the bearing, leading wheel (1) with the one end of guiding axle (11) contact is equipped with first oil blanket (5), the one end of first oil blanket (5) still is equipped with second oil blanket (8), second oil blanket (8) deviate from the one end of first oil blanket (5) still is equipped with tight cover (7) of expanding, tight cover (7) cover of expanding is located on guiding axle (11).

2. Guide wheel assembly according to claim 1, characterized in that the bearings comprise a first bearing (3) and a second bearing (18) arranged opposite the first bearing (3), the first oil seal (5) and the second oil seal (8) being arranged at the end of the second bearing (18) facing away from the first bearing (3).

3. The guide wheel assembly according to claim 2, characterized in that a ring groove is arranged on the inner wall of the guide wheel (1), a retaining ring (4) for preventing the second bearing (18) from moving on the guide shaft (11) is further arranged between the first oil seal (5) and the second bearing (18), and the retaining ring (4) is arranged in the ring groove.

4. Guide wheel assembly according to claim 3, characterized in that the end of the first bearing (3) facing away from the second bearing (18) is further provided with an outer end cap (12), the outer end cap (12) being detachably fixedly arranged at the end of the guide wheel (1).

5. The guide wheel assembly according to claim 4, wherein the guide shaft (11) is further sleeved with a spacer sleeve (2), and two ends of the spacer sleeve (2) respectively abut against the end faces of the first oil seal (5) and the second oil seal (8).

6. The guide wheel assembly according to claim 5, wherein an inner end cap (9) is further disposed at an end of the second oil seal (8) away from the first oil seal (5), the inner end cap (9) is sleeved on the expansion sleeve (7), and the second oil seal (8) is disposed in the inner end cap (9).

7. Guide wheel assembly according to claim 6, characterized in that the inner end cap (9) is provided with a connection hole, in which a connection element is provided, by means of which the inner end cap (9) is detachably fixedly connected to the guide wheel (1).

8. The guide wheel assembly according to claim 7, wherein a guide sleeve (13) is further sleeved on the guide shaft (11), and one end of the guide sleeve (13) abuts against one end of the expansion sleeve (7) departing from the second oil seal (8).

9. The guide wheel assembly according to claim 8, characterized in that a gasket (6) for preventing the guide sleeve (13) from moving is further arranged at one end of the guide sleeve (13) away from the expansion sleeve (7), a first bolt (14) is further arranged on the gasket (6), and the gasket (6) is detachably and fixedly arranged at the end part of the guide shaft (11) through the first bolt (14).

10. An agricultural machine comprising a track and a steerable wheel assembly for steering the track, wherein the steerable wheel assembly is as claimed in any one of claims 1 to 9.