CN207943096U - A kind of sealing device and a kind of crawler type agricultural machinery - Google Patents
A kind of sealing device and a kind of crawler type agricultural machinery Download PDFInfo
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- CN207943096U CN207943096U CN201721860829.4U CN201721860829U CN207943096U CN 207943096 U CN207943096 U CN 207943096U CN 201721860829 U CN201721860829 U CN 201721860829U CN 207943096 U CN207943096 U CN 207943096U
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- seal ring
- elastic seal
- sealing cover
- axis
- sealing
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- Sealing Devices (AREA)
Abstract
This application discloses a kind of sealing devices, including end cap, sealing cover and elastic seal ring, end cap is set on axis and is fixed on rotor, rotor is mounted on an axle by bearing, end cap is located at the outside of bearing, sealing cover is fixed on cover internal, elastic seal ring is set between sealing cover and axis, end cap compresses sealing cover, sealing cover compresses elastic seal ring, so as to fit closely between elastic seal ring and axis, and make to fit closely in the contact surface that relative rotation can occur between sealing cover and elastic seal ring.The sealing device is provided with sealing cover and elastic seal ring in cover internal, end cap compresses elastic seal ring by sealing cover, elastic seal ring is set to be fitted closely with axis, and the contact surface of sealing cover and elastic seal ring is made to be fitted closely when relative rotation occurs, to which silt particle, water etc. are blocked in outside, it ensure that bearing has and clean good working environment.The application also provides a kind of crawler type agricultural machinery, equally has the advantages that above-mentioned.
Description
Technical field
The utility model belongs to agricultural machinery technological field, and in particular to a kind of sealing device and a kind of crawler type agricultural machine
Tool.
Background technology
Crawler type agricultural machinery usually requires the operation in the environment for having muddy water, sandy soil, in walking mechanism often because
Water, silt particle etc. enter bearing and lead to bearing rust, abrasion, make bearing initial failure, to cause the damage of walking mechanism.Cause
This, prevents the bearing that silt particle etc. enters its walking mechanism most important.
Currently, sealing structure used in the bearing of the walking mechanism of crawler type agricultural machinery has：Skeleton-oil sealing sealing and
The structure of Combined grease seal, skeleton-oil sealing sealing is simple, but sealing effect is poor, and axis and bearing is easily made to be damaged；And combined type
The cost of oil sealing is higher, and silt particle can still invade bearing after abrasion.
Therefore it provides a kind of sealing effect is good, lower-cost sealing device, it is that those skilled in the art are urgently to be resolved hurrily
Technical problem.
Utility model content
In view of the above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of sealing device, elasticity
It being fitted closely between sealing ring and axis, the contact surface of sealing cover and elastic seal ring can fit closely sealing in relative rotation,
To which silt particle, water etc. are blocked in outside, it ensure that bearing has and clean good working environment；The purpose of this utility model is also
It is to provide a kind of crawler type agricultural machinery that equally there is above-mentioned advantageous effect.
The technical scheme that the utility model is provided is as follows：
A kind of sealing device, including end cap, sealing cover and elastic seal ring, the end cap are set on the axis of peripheral hardware, and
The end cap is fixed on the rotor of peripheral hardware, and the rotor is installed on the shaft by bearing, and the end cap is located at institute
State the outside of bearing, the sealing cover is fixed on the cover internal, the elastic seal ring be set to the sealing cover with it is described
Between axis, the end cap compresses the sealing cover, and the sealing cover compresses the elastic seal ring, so that the elastic seal ring
It is fitted closely between the axis, and makes that connecing for relative rotation can occur between the sealing cover and the elastic seal ring
Contacting surface fits closely.
Further, the pressure for compressing the elastic seal ring is 1Mpa~1.5Mpa.
Further, the cover internal is equipped with the first groove around the axis, and the sealing cover is set to described the
In one groove.
Further, the second groove is equipped with inside the sealing cover around the axis, the elastic seal ring is set to
In second groove of the sealing cover.
Further, along the circumference of the axis be equipped with boss, the elastic seal ring be compressed in the boss with it is described close
Between capping.
Further, the face that the middle part of the elastic seal ring is in contact with the axis is equipped with third groove.
Further, the section of the third groove is trapezoidal, triangle, rectangle or arc.
Further, the sealing cover is made of wear-resistant material, and the outside of the sealing cover is cast with fluid sealant.
Further, the elastic seal ring is made of elastic abrasion-proof material.
A kind of crawler type agricultural machinery, includes walking mechanism, and the walking mechanism includes above-mentioned sealing device.
Sealing device provided by the utility model, by being provided with sealing cover and elastic seal ring, end cap in cover internal
With sealing cover pre-pressing elastic seal ring, make that sealing is fixed and fitted closely between elastic seal ring and axis, while making sealing cover
It can be fitted closely with the contact surface of elastic seal ring when relative rotation occurs, and elastic seal ring is resilient, makes rotor
It can be also in close contact between sealing cover and elastic seal ring when not rotating and realize sealing, thus the sealing effect of the sealing device
Fruit is good, and the impurity such as silt particle, water can be blocked in the outside of bearing under rotor work or off position, effectively anti-
Only silt particle invades bearing, cleans good working environment to ensure that bearing has, and can prevent the lubricating oil in bearing
Leakage, greatly extends the service life of bearing；Also, the sealing device structure is simple, effectively reduce sealing device at
This.The utility model also provides a kind of crawler type agricultural machinery, includes above-mentioned sealing device, equally has the advantages that above-mentioned.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the sealing device that the utility model embodiment provides；
Fig. 2 is the enlarged drawing at A in Fig. 1.
Reference sign：Axis 1；Boss 101；End cap 2；First groove 201；Sealing cover 3；Second groove 301；Fluid sealant
302；Rotor 4；Elastic seal ring 5；Third groove 501；Bearing 6.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
Firstly the need of explanation, " inside " described herein, " inside " etc. are the outsides relative to the sealing device
It is " inside " or " inside " close to the side of the bearing 6 sealed for environment, conversely, being then " outside " or " outside ".
As depicted in figs. 1 and 2, a kind of sealing device provided in this embodiment, including end cap 2, sealing cover 3 and elastic packing
Circle 5, the end cap 2 is set on the axis 1 of peripheral hardware, and the end cap 2 is fixed on the rotor 4 of peripheral hardware, and the rotor 4 is logical
Bearing 6 is crossed on the axis 1, the end cap 2 is located at the outside of the bearing 6, and the sealing cover 3 is fixed on the end cap
Inside 2, the elastic seal ring 5 is set between the sealing cover 3 and the axis 1, and the end cap 2 compresses the sealing cover 3, institute
It states sealing cover 3 and compresses the elastic seal ring 5, so as to be fitted closely between the elastic seal ring 5 and the axis 1, and make
It is fitted closely in the contact surface that relative rotation can occur between the sealing cover 3 and the elastic seal ring 5.
Sealing device provided in this embodiment is mainly used for crawler-type rotary cultivator, caterpillar tractor machine and crawler type and receives
In walking mechanism in cutting mill, the bearing 6 of walking mechanism is sealed.Axis 1 is mounted in 1 set of the axis of walking mechanism rack, rotor 4
It is mounted on axis 1 by bearing 6, end cap 2 is fixed by nut and rotor 4.The sealing device inside end cap 2 by being arranged
There are sealing cover 3 and elastic seal ring 5, end cap 2 and sealing cover 3 to compress elastic seal ring 5, makes tight between elastic seal ring 5 and axis 1
Close gluing, sealing, and rotor 4 makes in rotation, and sealing cover 3 squeezes elastic seal ring 5, makes sealing cover 3 and elastic seal ring 5
Contact surface can fit closely, and when rotor 4 does not rotate, elastic seal ring 5 is sprung back, and makes sealing cover 3 and elastic seal ring 5
Still fit closely contact, thus the sealing device is when rotor 4 works or do not work, it is good to can reach sealing effect,
Silt particle, water etc. have been blocked in the outside of bearing 6, silt particle is effectively prevent to invade bearing 6, to ensure that bearing 6 has cleaning
Good working environment greatly extends the service life of bearing 6；Also, the sealing device structure is simple, effectively reduces close
The cost of seal apparatus.
Specifically, the end cap 2 by the sealing cover 3 compress the elastic seal ring 5 pressure be 1Mpa~
1.5Mpa.Contact between sealing cover 3 and elastic seal ring 5 is smaller, is hardly damaged elastic seal ring 5, and is not easy to make
Axis 1 is worn.
Wherein, the first groove 201 is equipped with inside the end cap 2 around the axis 1, the sealing cover 3 is set to described
In first groove 201.The setting of first groove 201, is easily installed sealing cover 3, keeps sealing cover 3 steady in the installation of 2 interior sealing of end cap
Gu.The second groove 301 is equipped with inside the sealing cover 3 around the axis 1, the elastic seal ring 5 is set to the sealing
In second groove 301 of lid 3.The setting of second groove 301, you can make sealing cover 3 stablize and be set in the outer of elastic seal ring 5
Portion, and contribute to sealing cover 3 that elastic seal ring 5 is compressed between sealing cover 3 and axis 1, axial direction and diameter of the sealing cover 3 along axis 1
To elastic seal ring 5 is squeezed, so that elastic seal ring 3 is in close contact with axis 1 and realize sealing.
Specifically, along the axis 1 circumference be equipped with boss 101, the elastic seal ring 5 be compressed in the boss 101 with
Between the sealing cover 3.
In the present embodiment, the face that the middle part of the elastic seal ring 5 is in contact with the axis 1 is equipped with third groove 501.
At least provided with a third groove 501, it can also be set up in parallel two third grooves 501 or three third grooves 501, third groove
501 setting reduces the contact area between elastic seal ring 5 and axis 1, to reduce the friction between sealing ring and axis 1
Power is convenient for the rebound of sealing ring, makes have good leakproofness between sealing cover 3 and elastic seal ring 5.It is specific preferred, institute
The section for stating third groove 501 is trapezoidal, triangle, rectangle or arc.
Specifically, the sealing cover 3 is made of wear-resistant material, the outside of the sealing cover 3 is cast with fluid sealant.Sealing cover
3 can be used used wear-resistant material can be potassium steel class, steel alloy, high manganese, chrome cast iron class, ceramic composite,
Silicon carbide and silicon nitride etc..The outside of sealing cover 3 is cast with fluid sealant, so that sealing cover 3 is stably mounted to inside end cap 2, and make
It has good leakproofness between end cap 2.
Specifically, the elastic seal ring 5 is made of elastic abrasion-proof material.Elastic abrasion-proof material can be specifically plastics
, metal class, metal-rubber complex class etc. there is elasticity and wear-resisting compactness material.
A kind of crawler type agricultural machinery, includes walking mechanism, and the walking mechanism includes above-mentioned sealing device.This reality
The crawler type agricultural machinery of example offer, the sealing device of walking mechanism, by being internally provided with 3 He of sealing cover in end cap 2 are provided
Elastic seal ring 5, end cap 2 and sealing cover 3 compress elastic seal ring 5, make to fit closely between elastic seal ring 5 and axis 1, and
The contact surface of sealing cover 3 and elastic seal ring 5 is set to fit closely sealing when relative rotation occurs, sealing effect is good, by mud
Sand, water etc. have been blocked in the outside of bearing 6, and silt particle is effectively prevent to invade bearing 6, to ensure that bearing 6 has cleaning good
Working environment, greatly extend the service life of bearing 6；Also, the bearing 6 of the crawler type agricultural machinery walking mechanism seals
Device, simple in structure, sealing cost is relatively low.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (10)
1. a kind of sealing device, which is characterized in that including end cap (2), sealing cover (3) and elastic seal ring (5), the end cap
(2) it is set on the axis (1) of peripheral hardware, and the end cap (2) is fixed on the rotor (4) of peripheral hardware, the rotor (4) passes through
Bearing (6) is mounted on the axis (1), and the end cap (2) is located at the outside of the bearing (6), and the sealing cover (3) is fixed on
The end cap (2) is internal, and the elastic seal ring (5) is set between the sealing cover (3) and the axis (1), the end cap (2)
Compress the sealing cover (3), the sealing cover (3) compresses the elastic seal ring (5) so that the elastic seal ring (5) with
It is fitted closely between the axis (1), and makes to occur relatively between the sealing cover (3) and the elastic seal ring (5)
The contact surface of rotation fits closely.
2. sealing device according to claim 1, which is characterized in that the pressure for compressing the elastic seal ring (5) is
1Mpa~1.5Mpa.
3. sealing device according to claim 1, which is characterized in that the end cap (2) is internal around the axis (1)
Equipped with the first groove (201), the sealing cover (3) is set in first groove (201).
4. sealing device according to claim 3, which is characterized in that the sealing cover (3) the internal week along the axis (1)
It encloses and is equipped with the second groove (301), the elastic seal ring (5) is set in the second groove (301) of the sealing cover (3).
5. sealing device according to claim 1, which is characterized in that the circumference along the axis (1) is equipped with boss (101),
The elastic seal ring (5) is compressed between the boss (101) and the sealing cover (3).
6. sealing device according to claim 1, which is characterized in that the middle part of the elastic seal ring (5) and the axis
(1) face being in contact is equipped with third groove (501).
7. sealing device according to claim 6, which is characterized in that the section of the third groove (501) be it is trapezoidal, three
Angular, rectangle or arc.
8. sealing device according to claim 1, which is characterized in that the sealing cover (3) is made of wear-resistant material, described
The outside of sealing cover (3) is cast with fluid sealant (302).
9. sealing device according to claim 1, which is characterized in that the elastic seal ring (5) is by elastic abrasion-proof material
It is made.
10. a kind of crawler type agricultural machinery, includes walking mechanism, which is characterized in that the walking mechanism includes claim 1
To the sealing device described in claim 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860829.4U CN207943096U (en) | 2017-12-27 | 2017-12-27 | A kind of sealing device and a kind of crawler type agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860829.4U CN207943096U (en) | 2017-12-27 | 2017-12-27 | A kind of sealing device and a kind of crawler type agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207943096U true CN207943096U (en) | 2018-10-09 |
Family
ID=63700723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860829.4U Active CN207943096U (en) | 2017-12-27 | 2017-12-27 | A kind of sealing device and a kind of crawler type agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207943096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682511A (en) * | 2020-12-29 | 2021-04-20 | 三一重型装备有限公司 | Rotating wheel and engineering equipment |
-
2017
- 2017-12-27 CN CN201721860829.4U patent/CN207943096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682511A (en) * | 2020-12-29 | 2021-04-20 | 三一重型装备有限公司 | Rotating wheel and engineering equipment |
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