CN212615902U - High-load maintenance-free agricultural machinery hub unit - Google Patents
High-load maintenance-free agricultural machinery hub unit Download PDFInfo
- Publication number
- CN212615902U CN212615902U CN202021193257.0U CN202021193257U CN212615902U CN 212615902 U CN212615902 U CN 212615902U CN 202021193257 U CN202021193257 U CN 202021193257U CN 212615902 U CN212615902 U CN 212615902U
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- Prior art keywords
- bearing
- hub unit
- outer ring
- flange outer
- face
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000000428 dust Substances 0.000 claims description 5
- 230000009545 invasion Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
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Abstract
The utility model discloses a high-load maintenance-free agricultural machinery hub unit, which comprises a flange outer ring, a bearing, a connecting shaft, a clamp spring and a sealing system; the bearing is arranged in an inner hole of the flange outer ring, the connecting shaft penetrates out of the inner hole of the bearing through a threaded end, and a step end of the connecting shaft is matched with the inner hole of the bearing; the clamp spring is arranged in a clamp spring groove on the flange side of the flange outer ring and is tightly attached to the end face of the bearing; the sealing systems are mounted at both ends of the bearing. The utility model is easy to be installed and maintained; through the design of the clamp spring, the integrated double-row tapered roller bearing and the multi-layer protection sealing system, the hub unit is compact in assembly, the bearing capacity is greatly improved, invasion of sand, slurry, rainwater and the like can be effectively prevented, and the service life of the hub unit is prolonged.
Description
Technical Field
The utility model relates to an agricultural machine makes the field, especially relates to a high load non-maintaining agricultural machinery wheel hub unit.
Background
Agricultural machinery requires long-term trouble-free work in severe environment, the hub bearing of the agricultural machine bears harsh requirements such as impact, vibration, pollution, humidity, corrosion and the like in actual use, most agricultural tillage and soil preparation machinery and seeding machinery are complex to disassemble and assemble, most hub bearings cannot ensure good sealing performance and strong bearing capacity, regular maintenance is needed, and great loss is caused to time-critical agricultural production. The maintenance under the heavy load working environment of current agricultural machinery wheel hub bearing is loaded down with trivial details, the life-span is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a high load non-maintaining agricultural machinery wheel hub unit, can reliably stabilize and easy to maintain maintenance, solves the above-mentioned problem that current agricultural machinery wheel hub unit exists.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a high load non-maintaining agricultural machinery wheel hub unit includes: the device comprises a flange outer ring, a bearing, a connecting shaft, a clamp spring and a sealing system; the bearing is arranged in an inner hole of the flange outer ring, the connecting shaft penetrates out of the inner hole of the bearing through a threaded end, and a step end of the connecting shaft is matched with the inner hole of the bearing; the clamp spring is arranged in a clamp spring groove on the flange side of the flange outer ring and is tightly attached to the end face of the bearing; the sealing systems are mounted at both ends of the bearing.
In a preferred embodiment of the present invention, the bearing is an integrated double row tapered roller bearing.
In a preferred embodiment of the present invention, the double row tapered roller bearing further includes a first oil seal, and the first oil seal is sealingly installed between both sides of the double row tapered roller bearing and an inner wall surface of the flange outer ring.
In a preferred embodiment of the present invention, the sealing system comprises an end face seal and an end face seal assembly; the end face sealing element is arranged in an inner hole on the flange side of the flange outer ring; the end face sealing assembly is arranged in an inner hole in the other side of the flange outer ring.
In a preferred embodiment of the present invention, the end face sealing member is a hollow cylindrical structure with an open bottom, and the open side of the end face sealing member faces the step end face of the bearing and is connected to the snap spring.
In a preferred embodiment of the present invention, the end face seal assembly includes a seal bushing and a second oil seal; the sealing bush is sleeved on the connecting shaft and connected with the end face of the bearing; the second oil seal is arranged between the flange outer ring and the sealing bush.
In a preferred embodiment of the present invention, the end face seal assembly further includes a dust cover, the outer bottom of the seal bushing has a step surface, and the dust cover is installed between the step surface of the seal bushing and the flange outer ring.
In a preferred embodiment of the present invention, the sealing system further comprises a first O-ring, and the first O-ring is mounted on the connecting shaft.
In a preferred embodiment of the present invention, the sealing system further includes a second O-ring mounted on the outer wall surface of the flange side of the flange outer ring.
In a preferred embodiment of the present invention, the flange outer ring is provided with a connecting hole.
The utility model has the advantages that: the utility model relates to a high-load maintenance-free agricultural machinery hub unit, which is modularized in design and easy to install, maintain and repair; through the design of the clamp spring, the integrated double-row tapered roller bearing and the multi-layer protection sealing system, the hub unit is compact in assembly, the bearing capacity is greatly improved, invasion of sand, slurry, rainwater and the like can be effectively prevented, and the service life of the hub unit is prolonged.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of a high-load maintenance-free hub unit of an agricultural machine according to the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;
the parts in the drawings are numbered as follows: 1. the novel oil seal structure comprises a flange outer ring, 2 bearings, 3 connecting shafts, 4 clamp springs, 5 end face sealing pieces, 6 sealing bushes, 7 second oil seals, 8 dustproof covers, 9 first O-shaped rings, 10 second O-shaped rings, 11 connecting holes and 21 first oil seals.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
example 1
The utility model discloses a high load non-maintaining agricultural machinery wheel hub unit, include: the flange outer ring comprises a flange outer ring 1, a bearing 2, a connecting shaft 3, a clamp spring 4 and a sealing system.
The flange outer ring 1 is an integral flange outer ring, the structural strength is high, the installation and the use are convenient, the connecting hole 11 is formed in the flange side of the flange outer ring, the connecting hole can be conveniently and quickly connected with the rake blades, and the time for replacing the rake blades is reduced.
The bearing 2 is arranged in an inner hole of the flange outer ring 1. The bearing 2 is an integrated double-row tapered roller bearing, the bearing capacity of the bearing is greatly improved compared with that of a conventional ball bearing, the double-row tapered roller bearing is further provided with a first oil seal 21, the first oil seal 21 is hermetically arranged between the two sides of the double-row tapered roller bearing 2 and the inner wall surface of the flange outer ring 1, and the service life of the tapered roller bearing can be prolonged.
One end of the connecting shaft 3 is a threaded end, the other end of the connecting shaft is a step end, the connecting shaft 3 penetrates out of the inner hole of the bearing 2 through the threaded end, the step end of the connecting shaft is matched with the inner hole of the bearing 2, and the step surface is tightly attached to the wall surface of the inner hole of the bearing.
The clamp spring 4 is arranged in a clamp spring groove on the flange side of the flange outer ring 1 and is tightly attached to the end face of the bearing 2. The design of jump ring 4 can tighten up bearing 2 towards the threaded end of connecting axle to the clearance that produces when effectively eliminating each part assembly.
The sealing system is arranged at two ends of the bearing and comprises an end face sealing element 5, an end face sealing assembly, a first O-shaped ring 9 and a second O-shaped ring 10.
The end face sealing element 5 is installed in an inner hole on the flange side of the flange outer ring 1, and the end face sealing assembly is installed in an inner hole on the other side of the flange outer ring.
Specifically, the end face sealing member 5 is a hollow cylindrical structure with an open bottom, and the open side of the end face sealing member 5 faces the step end face of the bearing 2 and is connected with the snap spring 4. The end face sealing element 5 can prevent the invasion of silt and rainwater.
The end face seal assembly comprises a seal bushing 6, a second oil seal 7 and a dust cover 8. The sealing bush 6 is sleeved on the connecting shaft 3 and connected with the end face of the bearing 2; second oil blanket 7 is installed between flange outer lane 1 and seal bushing 6, seal bushing 6's outside bottom has the step face, shield 8 is installed seal bushing 6's step face with between the flange outer lane 1, whole end face seal assembly can form effectual sealed protection to the bearing, and shield 8 wherein can also prevent grit, clod to the erosion and the destruction of oil blanket, improves end face seal assembly's life.
The first O-shaped ring 9 is arranged on the connecting shaft 3, the connecting shaft 3 is connected with the coulter arm, and the first O-shaped ring 9 can prevent rainwater from flowing into and eroding the connecting shaft.
The second O-ring 10 is mounted on the flange-side outer wall surface of the flange outer ring 1 to prevent rainwater from entering the gap between the blade and the flange end surface.
The sealing system is easy to disassemble and assemble and simple and convenient to operate.
The utility model relates to a high load non-maintaining agricultural machinery wheel hub unit has following advantage:
1. through the design of the integral flange outer ring, the integrated double-row tapered roller bearing and the easily-detachable sealing system, the hub unit is simple and convenient to mount and easy to maintain;
2. the bearing capacity of the hub unit is greatly improved by using the integrated double-row tapered roller bearing with the seal;
3. through the design of the sealing system of multilayer protection, effectively prevent the invasion of grit, mud, rainwater etc. and improved the life of wheel hub unit.
The above-mentioned components are all standard components or components known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art by means of technical manuals or by means of routine tests.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high-load maintenance-free agricultural machine hub unit, characterized by comprising: the device comprises a flange outer ring, a bearing, a connecting shaft, a clamp spring and a sealing system; the bearing is arranged in an inner hole of the flange outer ring, the connecting shaft penetrates out of the inner hole of the bearing through a threaded end, and a step end of the connecting shaft is matched with the inner hole of the bearing; the clamp spring is arranged in a clamp spring groove on the flange side of the flange outer ring and is tightly attached to the end face of the bearing; the sealing systems are mounted at both ends of the bearing.
2. The high load maintenance-free agricultural machine hub unit of claim 1, wherein the bearing is an integrated double row tapered roller bearing.
3. The high-load maintenance-free agricultural machine hub unit according to claim 2, wherein the double-row tapered roller bearing further comprises a first oil seal which is sealingly installed between both sides of the double-row tapered roller bearing and an inner wall surface of the flange outer ring.
4. The high load maintenance-free agricultural machine hub unit of claim 1, wherein the sealing system comprises a face seal and a face seal assembly; the end face sealing element is arranged in an inner hole on the flange side of the flange outer ring; the end face sealing assembly is arranged in an inner hole in the other side of the flange outer ring.
5. The high-load maintenance-free agricultural machine hub unit according to claim 4, wherein the end face seal is a hollow cylindrical structure with an open bottom, and the open side of the end face seal faces the stepped end face of the bearing and is connected with the clamp spring.
6. The high load maintenance-free agricultural machine hub unit of claim 4, wherein the face seal assembly includes a seal bushing and a second oil seal; the sealing bush is sleeved on the connecting shaft and connected with the end face of the bearing; the second oil seal is arranged between the flange outer ring and the sealing bush.
7. The high load maintenance-free agricultural machine hub unit of claim 6, wherein the end face seal assembly further comprises a dust cap, the outer bottom of the seal bushing has a stepped surface, and the dust cap is mounted between the stepped surface of the seal bushing and the flange outer race.
8. The high load maintenance-free agricultural machine hub unit of claim 4, wherein the sealing system further comprises a first O-ring mounted on the connecting shaft.
9. The high load maintenance-free agricultural machine hub unit of claim 4, wherein the sealing system further comprises a second O-ring mounted on the flange-side outer wall surface of the flange outer race.
10. The high-load maintenance-free agricultural machine hub unit according to claim 1, wherein the flange outer ring is provided with a connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021193257.0U CN212615902U (en) | 2020-06-24 | 2020-06-24 | High-load maintenance-free agricultural machinery hub unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021193257.0U CN212615902U (en) | 2020-06-24 | 2020-06-24 | High-load maintenance-free agricultural machinery hub unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615902U true CN212615902U (en) | 2021-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021193257.0U Expired - Fee Related CN212615902U (en) | 2020-06-24 | 2020-06-24 | High-load maintenance-free agricultural machinery hub unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720433A (en) * | 2020-06-24 | 2020-09-29 | 常熟得美零部件有限公司 | High-load maintenance-free agricultural machinery hub unit |
-
2020
- 2020-06-24 CN CN202021193257.0U patent/CN212615902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720433A (en) * | 2020-06-24 | 2020-09-29 | 常熟得美零部件有限公司 | High-load maintenance-free agricultural machinery hub unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |