CN114412917B - Hub bearing - Google Patents

Hub bearing Download PDF

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Publication number
CN114412917B
CN114412917B CN202210059974.1A CN202210059974A CN114412917B CN 114412917 B CN114412917 B CN 114412917B CN 202210059974 A CN202210059974 A CN 202210059974A CN 114412917 B CN114412917 B CN 114412917B
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CN
China
Prior art keywords
bearing
inner ring
spring piece
hub
bearing inner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210059974.1A
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Chinese (zh)
Other versions
CN114412917A (en
Inventor
唐元超
王爱红
郭祥飞
靳祖孟
张阴坡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Zhaoyang Bearing Co ltd
Original Assignee
Shandong Zhaoyang Bearing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Zhaoyang Bearing Co ltd filed Critical Shandong Zhaoyang Bearing Co ltd
Priority to CN202210059974.1A priority Critical patent/CN114412917B/en
Publication of CN114412917A publication Critical patent/CN114412917A/en
Application granted granted Critical
Publication of CN114412917B publication Critical patent/CN114412917B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/001—Hubs with roller-bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/664—Retaining the liquid in or near the bearing
    • F16C33/6651—Retaining the liquid in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention provides a hub bearing, which relates to the technical field of bearings and comprises: a bearing outer ring; the bearing inner ring is inlaid in the bearing outer ring, and a gap is reserved between the bearing outer ring and the bearing inner ring; the rolling body is fixed between the bearing outer ring and the bearing inner ring through a retainer, and is rotationally connected with the retainer; the two ends of the spring piece are welded on the flange of the bearing inner ring through metal; when the temperature of the working environment where the bearing is located exceeds the melting point of the metal at the welding position of the spring piece, the two ends of the spring piece are separated from the inner ring of the bearing, and the two ends of the spring piece are attached to the inner wall of the hub to generate noise. The bearing has compact structure and convenient installation, can be suitable for special traffic conditions of high-speed and heavy load, can early warn the failure of an anti-lock system, and can reduce traffic accidents to a certain extent.

Description

Hub bearing
Technical Field
The invention relates to the technical field of bearings, in particular to a hub bearing.
Background
The main purpose of hub bearings (hub bearings) is to bear the weight and provide accurate guidance for the rotation of the hub, which is a critical component of the automotive industry and the like, both axial and radial loads.
At present, along with the rapid development of economy in China, the transportation industry and the mechanical manufacturing industry also show rising trend, the bearing consumption of commercial vehicles such as heavy trucks, new energy automobiles and the like is also increased, and along with the increase of the possession of heavy commercial vehicles, traffic accidents are also increased year by year, wherein the situation of failure of an anti-lock system caused by overhigh temperature occupies a larger proportion, and the invention can generate early warning for the situation and reduce the occurrence of the traffic accidents to a certain extent.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a hub bearing for solving the problem that the prior art fails in anti-lock system due to the over-high temperature, but the driver cannot get early warning in advance.
To achieve the above and other related objects, the present invention provides a hub bearing comprising: a bearing outer ring; the bearing inner ring is inlaid in the bearing outer ring, and a gap is reserved between the bearing outer ring and the bearing inner ring; the rolling body is fixed between the bearing outer ring and the bearing inner ring through a retainer, and is rotationally connected with the retainer; the two ends of the spring piece are welded on the flange of the bearing inner ring through metal; when the temperature of the working environment where the bearing is located exceeds the melting point of the metal at the welding position of the spring piece, the two ends of the spring piece are separated from the inner ring of the bearing, and the two ends of the spring piece are attached to the inner wall of the hub to generate noise.
In an embodiment of the invention, the melting point of the metal is between 200 ℃ and 300 ℃.
In one embodiment of the present invention, the spring plate is provided with three on the bearing inner ring.
In an embodiment of the present invention, three spring pieces are disposed at intervals along a circumferential direction of the bearing inner ring.
In one embodiment of the invention, the spring plate comprises a sixty-five manganese steel spring plate.
In an embodiment of the invention, the spring piece is fixed at a flange with a larger size of the bearing inner ring, and the middle part of the spring piece is fixed with the bearing inner ring through a pin.
In an embodiment of the present invention, a raceway is formed on an outer wall of the bearing inner ring, and two ends of the rolling body are abutted to side walls of the raceway.
In an embodiment of the present invention, lubrication grooves are formed at bottom walls of two sides of the raceway, and portions of two ends of the rolling element are embedded into the lubrication grooves.
In an embodiment of the invention, a plurality of rolling elements are disposed between the bearing outer ring and the bearing inner ring, and the plurality of rolling elements are disposed at intervals along the circumferential direction of the bearing outer ring.
In an embodiment of the invention, the retainer is provided with a plurality of mounting grooves, the rolling bodies are disposed in the mounting grooves, and the rolling bodies are in one-to-one correspondence with the mounting grooves.
As described above, the hub bearing of the invention has the following beneficial effects:
1. by adopting the tin metal welding spring piece on the bearing inner ring, when the working environment temperature of the bearing is higher than the melting point of the metal, the two ends of the spring piece are separated from the bearing inner ring and collide with the inner wall of the hub to generate noise of about 120 dB, thereby reminding a motor vehicle driver of checking the vehicle condition.
2. The bearing has compact structure and convenient installation, can be suitable for special traffic conditions of high-speed and heavy load, can early warn the failure of an anti-lock system, and can reduce traffic accidents to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an isometric view of a hub bearing according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a hub bearing according to an embodiment of the present invention.
Description of element reference numerals
1. A bearing outer ring; 2. a bearing inner ring; 21. a raceway; 22. a lubrication groove; 3. a retainer; 4. a rolling element; 5. a spring piece.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the invention. The test methods in the following examples, in which specific conditions are not noted, are generally conducted under conventional conditions or under conditions recommended by the respective manufacturers.
1. A bearing outer ring; 2. a bearing inner ring; 21. a raceway; 22. a lubrication groove; 3. a retainer; 4. a rolling element; 5. spring reed.
Where numerical ranges are provided in the examples, it is understood that unless otherwise stated herein, both endpoints of each numerical range and any number between the two endpoints are significant both in the numerical range. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and to which this invention belongs, and any method, apparatus, or material of the prior art similar or equivalent to the methods, apparatus, or materials described in the examples of this invention may be used to practice the invention.
Referring to fig. 1 to 2, the present invention provides a hub bearing, which includes a bearing outer ring 1, a bearing inner ring 2, a cage 3, rolling elements 4 and a spring plate 5. The bearing outer ring 1 is in embedded fit with the bearing inner ring 2, and a gap is reserved between the bearing outer ring 1 and the bearing inner ring 2; the rolling bodies 4 are fixed between the bearing outer ring 1 and the bearing inner ring 2 through the retainer 3, and the rolling bodies 4 are rotationally connected with the retainer 3; the two ends of the spring piece 5 are welded on the baffle edge of the bearing inner ring 2 through metal.
Referring to fig. 1 to 2, in the present embodiment, the bearing outer ring 1 is in an annular shape, and an inner wall of the bearing outer ring 1 is disposed obliquely; a roller path 21 is formed on the outer wall of the bearing inner ring 2, and the bottom wall of the roller path 21 is obliquely arranged and is parallel to the inner wall of the bearing outer ring 1; furthermore, the bearing inner ring 2 is formed with a first flange (not shown) and a second flange (not shown) on both sides thereof, respectively, and the size of the first flange is smaller than that of the second flange, wherein the bottom wall of the raceway 21 is inclined toward the second flange; further, the bottom wall of the two sides of the rolling path 21 is provided with the lubrication grooves 22, a certain amount of lubrication liquid can be stored in the lubrication grooves 22, and the local positions of the two ends of the rolling element 4 are embedded into the lubrication grooves 22, so that the two ends of the rolling element 4 can be lubricated, and the situation that the rolling element 4 excessively rubs the side wall of the rolling path 21 to cause abrasion in the rotation process can be reduced.
Referring to fig. 1 to 2, in the present embodiment, a cage 3 is in a conical ring shape, a plurality of mounting grooves (not labeled in the drawings) are formed on the cage 3, and the plurality of mounting grooves are arranged at intervals along the circumferential direction of the cage 3, and the cage 3 can fix the relative position of the rolling elements 4 relative to the bearing outer ring 1 or the bearing inner ring 2, and can ensure that the rolling elements 4 rotate in the mounting grooves; a plurality of rolling elements 4 are arranged between the bearing outer ring 1 and the bearing inner ring 2, and the plurality of rolling elements 4 are arranged in a plurality of mounting grooves and correspond to the plurality of mounting grooves one by one.
Referring to fig. 1 to 2, in the present embodiment, a spring piece 5 is fixed on a second flange of the bearing inner ring 2, and the spring piece 5 is arc-shaped and matched with the second flange of the bearing inner ring 2, the middle part of the spring piece 5 is fixedly connected with the second flange of the bearing inner ring 2 through a pin, and two ends of the spring piece are welded on the second flange of the bearing inner ring 2 through metal welding; further, three spring pieces 5 are arranged, the three spring pieces 5 are arranged at intervals along the circumferential direction of the bearing inner ring 2, and the melting point of metal is between 200 and 300 ℃; specifically, the metal used for welding the two ends of the spring piece 5 and the bearing inner ring 2 is tin, and the spring piece 5 comprises a sixty-five manganese steel spring piece.
In actual operation, in the process of braking a vehicle, a brake assembly in the vehicle is in an excessively high-temperature working environment due to friction between a brake pad and a hub, and when the temperature is higher than the melting point of metal used for welding the spring piece 5, the two ends of the spring piece 5 are separated from the inner ring 2 of the bearing and collide with the inner wall of the hub to generate noise of about 120 dB, so that a motor vehicle driver is reminded of checking the vehicle condition; the pin in the middle of the spring piece 5 can ensure that the spring piece 5 is fixed on the bearing inner ring 2 and is not separated from the bearing inner ring 2.
In summary, according to the invention, the tin metal welded spring piece 5 is adopted on the bearing inner ring 2, when the working environment temperature of the bearing is higher than the melting point of the metal, the two ends of the spring piece 5 are separated from the bearing inner ring 2, and the noise about 120 db is generated by collision friction with the inner wall of the hub, so that a motor vehicle driver is reminded to check the vehicle condition; the invention has compact structure and convenient installation, can be suitable for special traffic conditions of high-speed and heavy load, can early warn the failure of the anti-lock system, and can reduce traffic accidents to a certain extent. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (8)

1. A hub bearing, comprising:
a bearing outer ring;
the bearing inner ring is inlaid in the bearing outer ring, and a gap is reserved between the bearing outer ring and the bearing inner ring; the two sides of the bearing inner ring are respectively provided with a first flange and a second flange, and the size of the first flange is smaller than that of the second flange;
the rolling body is fixed between the bearing outer ring and the bearing inner ring through a retainer, and is rotationally connected with the retainer;
the two ends of the spring piece are welded on the flange of the bearing inner ring through metal; the spring pieces are arranged at intervals along the circumferential direction of the bearing inner ring; the spring piece is fixed at the second flange of the bearing inner ring, and the middle part of the spring piece is fixed with the bearing inner ring through a pin;
when the temperature of the working environment where the bearing is located exceeds the melting point of the metal at the welding position of the spring piece, the two ends of the spring piece are separated from the inner ring of the bearing, and the two ends of the spring piece are attached to the inner wall of the hub to generate noise.
2. The hub bearing of claim 1, wherein the metal has a melting point between 200 and 300 ℃.
3. The hub bearing of claim 1, wherein the spring plate is provided with three on the bearing inner race.
4. The hub bearing of claim 1, wherein the spring plate comprises a sixty-five manganese steel spring plate.
5. The hub bearing according to claim 1, wherein a raceway is formed on an outer wall of the bearing inner ring, and both ends of the rolling elements abut against side walls of the raceway.
6. The hub bearing of claim 5, wherein lubrication grooves are formed in bottom walls of the two sides of the raceway, and portions of the two ends of the rolling elements are embedded in the lubrication grooves.
7. The hub bearing according to claim 1, wherein a plurality of the rolling elements are provided between the bearing outer ring and the bearing inner ring, and a plurality of the rolling elements are provided at intervals in a circumferential direction of the bearing outer ring.
8. The hub bearing of claim 7, wherein the cage is provided with a plurality of mounting grooves, a plurality of rolling elements are disposed in the mounting grooves, and the rolling elements are in one-to-one correspondence with the plurality of mounting grooves.
CN202210059974.1A 2022-01-19 2022-01-19 Hub bearing Active CN114412917B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210059974.1A CN114412917B (en) 2022-01-19 2022-01-19 Hub bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210059974.1A CN114412917B (en) 2022-01-19 2022-01-19 Hub bearing

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CN114412917A CN114412917A (en) 2022-04-29
CN114412917B true CN114412917B (en) 2024-04-02

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573089A (en) * 1943-11-03 1945-11-06 William Windley Constantine Improvements relating to bearings
US3183043A (en) * 1962-10-18 1965-05-11 Westinghouse Electric Corp Fail-safe bearing structure
CN104541076A (en) * 2012-07-24 2015-04-22 亚斯特罗工业有限公司 Device with rotor, stationary part or stator, and different types of liquid pocket sliders with respective specific functions
CN104675854A (en) * 2015-03-02 2015-06-03 洛阳理工学院 Oversize bearing
CN109296635A (en) * 2018-11-30 2019-02-01 瓦房店轴承集团国家轴承工程技术研究中心有限公司 Improved tapered roller bearing
CN208951121U (en) * 2018-05-18 2019-06-07 杜学来 A kind of salable long-life commercial vehicle hub bearing of width rib internal-and external diameter
CN111853052A (en) * 2020-06-17 2020-10-30 济南大学 Wear-resistant tapered roller bearing
FR3100294A1 (en) * 2019-08-29 2021-03-05 Airbus Helicopters Assembly provided with a rotating member and at least one bearing system, power transmission box and aircraft
CN214698850U (en) * 2021-06-18 2021-11-12 浙江金赛精密科技有限公司 Automobile wheel hub unit of simple and easy installation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573089A (en) * 1943-11-03 1945-11-06 William Windley Constantine Improvements relating to bearings
US3183043A (en) * 1962-10-18 1965-05-11 Westinghouse Electric Corp Fail-safe bearing structure
CN104541076A (en) * 2012-07-24 2015-04-22 亚斯特罗工业有限公司 Device with rotor, stationary part or stator, and different types of liquid pocket sliders with respective specific functions
CN104675854A (en) * 2015-03-02 2015-06-03 洛阳理工学院 Oversize bearing
CN208951121U (en) * 2018-05-18 2019-06-07 杜学来 A kind of salable long-life commercial vehicle hub bearing of width rib internal-and external diameter
CN109296635A (en) * 2018-11-30 2019-02-01 瓦房店轴承集团国家轴承工程技术研究中心有限公司 Improved tapered roller bearing
FR3100294A1 (en) * 2019-08-29 2021-03-05 Airbus Helicopters Assembly provided with a rotating member and at least one bearing system, power transmission box and aircraft
CN111853052A (en) * 2020-06-17 2020-10-30 济南大学 Wear-resistant tapered roller bearing
CN214698850U (en) * 2021-06-18 2021-11-12 浙江金赛精密科技有限公司 Automobile wheel hub unit of simple and easy installation

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