CN219176942U

CN219176942U - Shaft end floating sealing device and rotary cultivator

Info

Publication number: CN219176942U
Application number: CN202223608481.3U
Authority: CN
Inventors: 邓可; 叶烨; 邬碧云
Original assignee: Changsha Sanglaite Agricultural Mechanical Equipment Co Ltd
Current assignee: Changsha Sanglaite Agricultural Mechanical Equipment Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-13
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a shaft end floating sealing device which is characterized by comprising a first flange and a second flange arranged at one end of the first flange, wherein the second flange is detachably and fixedly connected with the first flange, a first sealing element and a rotatable bearing are further arranged at the other end of the first flange, a bearing seat is sleeved on the periphery of the bearing, and the first sealing element is sleeved on the first flange; and a second sealing piece is arranged between the first flange and the bearing seat. The axle head floating sealing device of this structure through set up first sealing member and second sealing member between first flange and bearing frame, can effectively promote sealed effect to, the running resistance of knife roller axle is also littleer, and life is longer, and use cost is lower. In addition, the utility model also provides a rotary cultivator comprising the shaft end floating sealing device.

Description

Shaft end floating sealing device and rotary cultivator

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a shaft end floating sealing device and a rotary cultivator.

Background

In recent years, with the continuous development of economy and technology, agricultural machines of various structures are becoming more and more popular in agricultural production activities.

Agricultural mechanism of various structures, like rotary cultivator etc. including the knife roller axle, the operational environment of knife roller axle is comparatively abominable, in the use, the rotary cultivator of current structure, ubiquitous oil leak phenomenon that causes because the deflection of knife roller axle, simultaneously, muddy water etc. get into in the bearing easily, cause the erosion to the bearing, consequently, lead to the whole life of rotary cultivator shorter, maintenance cost high scheduling problem.

In summary, how to provide a shaft end floating sealing device with small running resistance, good sealing effect, long service life and low maintenance cost, and a rotary cultivator comprising the shaft end floating sealing device, which are technical problems to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to solve the technical problems that: the shaft end floating sealing device is small in running resistance, good in sealing effect, long in service life and low in maintenance cost, and the rotary cultivator comprising the shaft end floating sealing device is provided.

The solution of the utility model is realized as follows: the utility model provides a shaft end floating sealing device which is characterized by comprising a first flange and a second flange arranged at one end of the first flange, wherein the second flange is detachably and fixedly connected with the first flange, a first sealing element and a rotatable bearing are further arranged at the other end of the first flange, a bearing seat is sleeved on the periphery of the bearing, and the first sealing element is sleeved on the first flange; and a second sealing piece is arranged between the first flange and the bearing seat. The axle head floating sealing device of this structure through set up first sealing member and second sealing member between first flange and bearing frame, can effectively promote sealed effect to, the running resistance of knife roller axle is also littleer, and life is longer, and use cost is lower.

The other technical scheme of the utility model is that the first sealing piece comprises a first floating seal ring and a second floating seal ring which is arranged opposite to the first floating seal ring.

The other technical scheme of the utility model is that on the basis of the above, the first sealing piece further comprises a first rubber ring sleeved on the first floating seal ring and a second rubber ring sleeved on the second floating seal ring.

The other technical scheme of the utility model is that on the basis of the above, the structures of the first floating seal ring and the second floating seal ring are consistent, and the structures of the first rubber ring and the second rubber ring are consistent.

The shaft end floating sealing device further comprises a detachable end cover, wherein the end cover is arranged at one end of the bearing seat, which is away from the second flange.

The other technical scheme of the utility model is that on the basis of the above, the periphery of the end cover is provided with a plurality of first fasteners, and the end cover is connected with the bearing seat through the plurality of first fasteners.

The other technical scheme of the utility model is that on the basis of the above, a detachable gasket is further arranged at one end of the first flange, which is close to the end cover, and one side of the gasket is propped against the bearing.

The other technical scheme of the utility model is that on the basis of the above, a plurality of second fasteners are arranged on the gasket, the gasket is fixedly connected with the first flange through the plurality of second fasteners, and the first fasteners and the second fasteners are screw-connected pieces.

The other technical scheme of the utility model is that on the basis of the above, a check ring is further arranged at one end of the bearing, which is close to the end cover, and one side of the check ring is propped against one side of the bearing.

On the other hand, the utility model also provides a rotary cultivator, which comprises a knife roll shaft and a shaft end floating sealing device arranged at one end of the knife roll shaft, wherein the shaft end floating sealing device is any one of the shaft end floating sealing devices.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of a shaft end floating seal arrangement of the present utility model;

fig. 2 is a schematic structural view of the first seal member in fig. 1.

The reference sign correspondence is:

1 first fastening piece 2 end cover 3 second fastening piece

4-washer 5-retainer ring 6 bearing

7 bearing seat 8 first sealing member 81 first rubber ring

82 first floating seal ring 83 second rubber ring 84 second floating seal ring

9 second seal 10 first flange 11 second flange

Detailed Description

The following detailed description of the utility model, taken in conjunction with the accompanying drawings, is given by way of illustration and explanation only, and should not be taken as limiting the scope of the utility model in any way. Furthermore, the features in the embodiments and in the different embodiments in this document can be combined accordingly by a person skilled in the art from the description of this document.

Referring to fig. 1 and 2, the shaft end floating sealing device specifically includes a first flange 10 and a second flange 11 disposed at one end of the first flange 10, i.e. the right end shown in fig. 1, the second flange 11 is detachably and fixedly connected with the first flange 10, the other end of the first flange 10, i.e. the left end shown in fig. 1, is further provided with a first sealing element 8 and a rotatable bearing 6, a bearing seat 7 is sleeved on the periphery of the bearing 6, and the first sealing element 8 is sleeved on the first flange 10 and is propped against the bearing seat 7. A second seal 9 is also provided between the first flange 10 and the bearing housing 7. The shaft end floating sealing device with the structure can effectively improve the sealing effect by arranging the first sealing piece 8 and the second sealing piece 9 between the first flange 10 and the bearing seat 7, and the running resistance of the knife roll shaft is smaller, the service life is longer, and the use cost is lower.

In another embodiment of the present utility model, as shown in fig. 1 and 2, the first sealing member 8 specifically includes a first floating seal ring 82, and a second floating seal ring 84 disposed opposite to the first floating seal ring 82.

In another embodiment of the present utility model, as shown in fig. 1 and 2, the first sealing member 8 further includes a first rubber ring 81 sleeved on the first floating seal ring 82, and a second rubber ring 83 sleeved on the second floating seal ring 84.

In another embodiment of the present utility model, as shown in fig. 1 and 2, the first floating seal ring 82 is identical to the second floating seal ring 84 in structure, and the first rubber ring 81 is identical to the second rubber ring 83 in structure. The arrangement mode of the structure is that two seals are arranged through one sealing piece, so that the sealing effect and the sealing performance of the structure are further improved.

On the basis of the above embodiment, in another embodiment of the present utility model, as shown in fig. 1, the shaft end floating seal device further includes a detachable end cover 2, where the end cover 2 is specifically disposed at an end of the bearing seat 7 facing away from the second flange 11, i.e., the left end as shown in the drawing.

In another embodiment of the present utility model, as shown in fig. 1, a plurality of first fasteners 1 are provided on the periphery of the end cover 2, and the end cover 2 and the bearing seat 7 are detachably and fixedly connected together by the plurality of first fasteners 1.

In another embodiment of the present utility model, as shown in fig. 1, the end of the first flange 10 near the end cover 2, i.e. the left end in the figure, is further provided with a detachable gasket 4, and one side of the gasket 4, i.e. the right side in the figure, abuts against the bearing 6, in particular, the left side of the bearing 6.

In another embodiment of the present utility model, as shown in fig. 1, a plurality of second fastening members 3 are provided on the gasket 4, and the gasket 4 is fixedly connected to the first flange 10 by the plurality of second fastening members 3, and for both the first fastening members 1 and the second fastening members 3, threaded members such as bolts or screws are preferred.

In another embodiment of the present utility model, as shown in fig. 1, a retainer ring 5 is further disposed at one end of the bearing 6 near the end cap 2, and one side of the retainer ring 5, i.e., the right side in the drawing, abuts against one side of the bearing 6, i.e., the left side in the drawing.

The first flange 10 is preferably a knife shaft connection flange, and the second flange 11 is preferably a knife shaft flange.

The axle head floating seal device of above-mentioned structure through set up first sealing member 8 and second sealing member 9 between first flange 10 and bearing frame 7, simultaneously, again through setting up the twice between first sealing member 8, can be comparatively effectual promote sealed effect to, the running resistance of knife roller axle is also littleer, and life is longer, and use cost is lower.

On the other hand, the utility model also provides a rotary cultivator, which comprises a knife roll shaft and a shaft end floating sealing device arranged at one end of the knife roll shaft, wherein the shaft end floating sealing device is specifically the shaft end floating sealing device.

The rotary cultivator with the structure has the advantages of the shaft end floating sealing device correspondingly.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The shaft end floating sealing device is characterized by comprising a first flange and a second flange arranged at one end of the first flange, wherein the second flange is detachably and fixedly connected with the first flange, a first sealing element and a rotatable bearing are further arranged at the other end of the first flange, a bearing seat is sleeved on the periphery of the bearing, and the first sealing element is sleeved on the first flange;

and a second sealing piece is arranged between the first flange and the bearing seat.

2. The shaft end floating seal arrangement of claim 1 wherein the first seal member comprises a first floating seal ring and a second floating seal ring disposed opposite the first floating seal ring.

3. The shaft end floating seal arrangement of claim 2 wherein said first seal further comprises a first rubber ring sleeved on said first floating seal ring and a second rubber ring sleeved on said second floating seal ring.

4. A shaft end floating seal arrangement according to claim 3, wherein the first floating seal ring is of a configuration consistent with the second floating seal ring and the first rubber ring is of a configuration consistent with the second rubber ring.

5. The shaft end floating seal arrangement of claim 4 further comprising a removable end cap disposed at an end of the bearing housing facing away from the second flange.

6. The floating seal arrangement of claim 5 wherein a plurality of first fasteners are provided on the periphery of said end cap, said end cap being connected to said bearing housing by a plurality of said first fasteners.

7. The floating seal arrangement of claim 6 wherein said first flange further comprises a removable gasket at an end thereof adjacent said end cap, said gasket having one side thereof abutting said bearing.

8. The floating seal device for shaft ends of claim 7, wherein a plurality of second fasteners are arranged on the gasket, the gasket is fixedly connected with the first flange through the plurality of second fasteners, and the first fasteners and the second fasteners are screw-connected pieces.

9. The floating seal arrangement of claim 8 wherein said bearing further comprises a retainer ring at an end thereof adjacent said end cap, one side of said retainer ring abutting one side of said bearing.

10. A rotary cultivator comprising a cutter roller shaft and a shaft end floating sealing device arranged at one end of the cutter roller shaft, wherein the shaft end floating sealing device is the shaft end floating sealing device of any one of claims 1 to 9.