CN109595258A - A kind of large size bearing radial internal clearance automatic adjusting mechanism - Google Patents
A kind of large size bearing radial internal clearance automatic adjusting mechanism Download PDFInfo
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- CN109595258A CN109595258A CN201811274812.XA CN201811274812A CN109595258A CN 109595258 A CN109595258 A CN 109595258A CN 201811274812 A CN201811274812 A CN 201811274812A CN 109595258 A CN109595258 A CN 109595258A
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- hot pressing
- bearing
- large size
- ball
- automatic adjusting
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- 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
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of large size bearing radial internal clearance automatic adjusting mechanisms, its structure includes: bearing outer ring, dustproof shell, ball, clearance regulating mechanism, bearing inner race, the medial surface of bearing outer ring is installed on dustproof shell and same axle center, the insertion of bearing outer ring inner surface is equipped with ball, when large size bearing high speed rotation, internal friction generates high temperature, the air of high temperature is full of in hot pressing auxiliary conditioning unit, the liquid ball for making the atmosphere temperature rising expansion fit inside booster jar become larger pushes hot pressing to push piston, make to pull the radiai adjustment arc plate of radiai adjustment circle to expand outwardly the clearance regulating mechanism that cooperation auxiliary adjustment plate forms a larger diameter with the drive rod that hot pressing pushes piston to be mutually sequentially connected, the clearance regulating mechanism side after expanding is set to be close to the surface of ball, eliminate the radial internal clearance inside large size bearing, when running large size bearing Temperature rise is slowed down, and noise is minimized, while alleviating the vibration of Bearing inner to extend the service life of bearing rolling contact fatigue.
Description
Technical field
The present invention is to be related to bearing machining field for a kind of large size bearing radial internal clearance automatic adjusting mechanism.
Background technique
Bearing clearance is the gap between bearing roller and bearing internal external circle shell, and the size in gap affects bearing fortune
Capable performance and service life is more violent in large size bearing internal influence, it is therefore desirable to by adjusting bearing clearance to improve axis
The properties held, the general clearance that adjusts by filling in washer inside measurement clearance and phase, so that clearance is become smaller or is disappeared thus
Improve the performance of bearing.
But washer itself material for adjusting bearing clearance is generally different with the original-pack material of bearing, revolves in large size bearing high speed
It changes the line of production raw high temperature, the dilation of body difference, causes the bearing inner race of expansion will in the climbing speed and high temperature of temperature
Washer, which overhangs micro-cracks, to be influenced service life or washer and will heat up the inner ring hoop of expansion to go out the marking, influences whole flat of inner ring
Slip, simultaneously as the difference of material, the oil content inside material is deviated with hardness, and large size bearing Internal steel ball is caused to be ground
Damage aggravation or gasket loss are accelerated, and it is adjusted using the time to influence entire large size bearing clearance.
Therefore need to propose a kind of large size bearing radial internal clearance automatic adjusting mechanism.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of large size bearing radial internal clearance automatic adjusting mechanisms, solve
Large size bearing inner radial clearance is excessive and causes the problem of influencing bearing working negative effect.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of large size bearing radial internal clearance automatic regulating machine
Structure, structure include: bearing outer ring, dustproof shell, ball, clearance regulating mechanism, bearing inner race, the medial surface of the bearing outer ring
It is installed on dustproof shell and same axle center, the bearing outer ring inner surface insertion is equipped with ball, the ball lower surface and trip
Gap regulating mechanism outer surface fits, and the clearance regulating mechanism inner surface insertion is equipped with bearing inner race.
As preferred embodiments of the present invention, the clearance regulating mechanism include radiai adjustment circle, hot pressing auxiliary conditioning unit,
Hot gas circulation circle, the inner surface of the radiai adjustment circle and the outer surface of hot pressing auxiliary conditioning unit are sequentially connected, the hot pressing
The inner surface of auxiliary conditioning unit is installed on hot gas circulation circle and same axle center.
As preferred embodiments of the present invention, the radiai adjustment circle includes drive rod, radiai adjustment arc plate, auxiliary adjustment
The top of plate, interlocking bar, the drive rod is connect with the lower surface hinge of radiai adjustment arc plate, the radiai adjustment arc plate it is interior
Portion's insertion is equipped with auxiliary adjustment plate, and the upper surface of the radiai adjustment arc plate and the lower end of interlocking bar are sequentially connected.
As preferred embodiments of the present invention, the hot pressing auxiliary conditioning unit includes that booster jar, hot pressing catch bar, hot pressing push away
Piston, liquid ball, pedestal, joint cover, being internally embedded for the booster jar are equipped with hot pressing catch bar, the hot pressing catch bar
Bottom end pushes the upper surface of piston to be fixedly connected with hot pressing, and the hot pressing pushes the lower surface of piston and the upper surface of liquid ball to be affixed
It closes, the lower surface of the booster jar is fixedly connected by welding with the upper surface of pedestal, the booster jar insertion installation
In the inside of joint cover.
As preferred embodiments of the present invention, the liquid ball includes sphere, compartment, centre of sphere room, drain pipe, the sphere
Inside is equipped with compartment and is integrated, and the inside of the compartment is equipped with centre of sphere room, the outer surface of the centre of sphere room
It is connected with the head end of drain pipe.
As preferred embodiments of the present invention, the hot gas circulation circle includes central axis, rotating propeller blade, protecting crust, recirculation hole,
The center of the central axis and rotating propeller blade is nested, the side that the inner surface of center the tip of the axis and protecting crust passes through welding
Formula is fixedly connected, and the two sides of the protecting crust are equipped with recirculation hole and are integrated.
As preferred embodiments of the present invention, the rotating propeller blade includes rotary sleeve, spring paddle, centrifugal globe, the rotation
The outer surface of shaft set is installed on spring paddle, and spring paddle end is connected by welding with centrifugal globe.
As preferred embodiments of the present invention, the radiai adjustment arc intralamellar part is nested with auxiliary adjustment plate, in radiai adjustment
When arc plate expands the diameter for adjusting clearance regulating mechanism outward, since the expansion of radiai adjustment arc plate has gap, by internal embedding
The auxiliary adjustment plate of set stretches out, and so that gap is filled and led up, to keep ball more stable in its surface scrolls.
Being equipped with multiple compartments as preferred embodiments of the present invention, inside the liquid ball makes the centre of sphere using multiple compartments
Chamber interior heated liquid is filled in compartment when expanding, and accelerates to accelerate the sphere of liquid ball by thermal enlargement by multiple compartments
Expansion pushes hot pressing to push the adjusting of piston auxiliary bearing clearance faster.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of large size bearing radial internal clearance automatic adjusting mechanism, have following
The utility model has the advantages that
When large size bearing high speed rotation, internal friction generates high temperature, and the air of high temperature is full of in hot pressing auxiliary conditioning unit
Interior, the liquid ball for making the atmosphere temperature rising expansion fit inside booster jar become larger pushes hot pressing to push piston, makes to push piston with hot pressing
Mutually the drive rod of transmission connection pulls the radiai adjustment arc plate of radiai adjustment circle to expand outwardly cooperation auxiliary adjustment plate and forms one
The clearance regulating mechanism of larger diameter makes the clearance regulating mechanism side after expanding be close to the surface of ball, eliminates big profile shaft
Internal radial internal clearance is held, temperature rise slows down when large size bearing being enable to run, and noise is minimized, while alleviating Bearing inner
It vibrates to extend the service life of bearing rolling contact fatigue.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of large size bearing radial internal clearance automatic adjusting mechanism of the present invention.
Fig. 2 is a kind of structural schematic diagram of clearance regulating mechanism of the present invention.
Fig. 3 is the partial structurtes enlarged drawing in the portion A in Fig. 2 of the present invention.
Fig. 4 is a kind of structural profile action diagram of clearance regulating mechanism of the present invention.
Fig. 5 is a kind of cross-sectional view of the structure of hot pressing auxiliary conditioning unit of the present invention.
Fig. 6 is a kind of cross-sectional view of the structure of liquid ball of the present invention.
Fig. 7 is a kind of cross-sectional view of the structure of hot gas circulation circle of the present invention.
Fig. 8 is a kind of structural schematic diagram of rotating propeller blade of the present invention.
Description of symbols: bearing outer ring -1, dustproof shell -2, ball -3, clearance regulating mechanism -4, bearing inner race -5, diameter
To adjusting ring -41, hot pressing auxiliary conditioning unit -42, hot gas circulation circle -43, drive rod -411, radiai adjustment arc plate -412, auxiliary
Help adjustable plate -413, interlocking bar -414, booster jar -421, hot pressing catch bar -422, hot pressing push piston -423, liquid ball -424,
Pedestal -425, joint cover -426, sphere -4241, compartment -4242, centre of sphere room -4243, drain pipe -4244, central axis -431,
Rotating propeller blade -432, protecting crust -433, recirculation hole -434, rotary sleeve -4321, spring paddle -4322, centrifugal globe -4323.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 8 is please referred to, the present invention provides a kind of large size bearing radial internal clearance automatic adjusting mechanism, and structure includes:
Bearing outer ring 1, dustproof shell 2, ball 3, clearance regulating mechanism 4, bearing inner race 5, the medial surface of the bearing outer ring 1 are installed on anti-
Dirt shell 2 and same axle center, 1 inner surface of the bearing outer ring insertion are equipped with ball 3,3 lower surface of ball and clearance tune
Section 4 outer surface of mechanism fits, and 4 inner surface of the clearance regulating mechanism insertion is equipped with bearing inner race 5.
The clearance regulating mechanism 4 includes radiai adjustment circle 41, hot pressing auxiliary conditioning unit 42, hot gas circulation circle 43, institute
The outer surface of the inner surface and hot pressing auxiliary conditioning unit 42 of stating radiai adjustment circle 41 is sequentially connected, the hot pressing auxiliary adjustment dress
The inner surface for setting 42 is installed on hot gas circulation circle 43 and same axle center.
The radiai adjustment circle 41 includes drive rod 411, radiai adjustment arc plate 412, auxiliary adjustment plate 413, interlocking bar
414, the top of the drive rod 411 is connect with the lower surface hinge of radiai adjustment arc plate 412, the radiai adjustment arc plate 412
Be internally embedded auxiliary adjustment plate 413 be installed, the upper surface of the radiai adjustment arc plate 412 and the lower end of interlocking bar 414 pass
Dynamic connection.
The hot pressing auxiliary conditioning unit 42 includes booster jar 421, hot pressing catch bar 422, hot pressing promotion piston 423, liquid
Ball 424, pedestal 425, joint cover 426, being internally embedded for the booster jar 421 are equipped with hot pressing catch bar 422, and the hot pressing pushes away
The bottom end of lever 422 and hot pressing push the upper surface of piston 423 to be fixedly connected, the hot pressing push the lower surface of piston 423 with
The upper surface of liquid ball 424 fits, and the lower surface of the booster jar 421 and the upper surface of pedestal 425 are solid by welding
Fixed connection, the booster jar 421 are embedded in the inside for being installed on joint cover 426.
The liquid ball 424 includes sphere 4241, compartment 4242, centre of sphere room 4243, drain pipe 4244, the sphere 4241
Inside be equipped with and compartment 4242 and be integrated, the inside of the compartment 4242 is equipped with centre of sphere room 4243, described
The outer surface of centre of sphere room 4243 is connected with the head end of drain pipe 4244.
Hot gas circulation circle 43 includes central axis 431, rotating propeller blade 432, protecting crust 433, recirculation hole 434, it is described in
Mandrel 431 and the center of rotating propeller blade 432 are nested, and the end of the central axis 431 and the inner surface of protecting crust 433 pass through weldering
The mode connect is fixedly connected, and the two sides of the protecting crust 433 are equipped with recirculation hole 434 and are integrated.
The rotating propeller blade 432 includes rotary sleeve 4321, spring paddle 4322, centrifugal globe 4323, the rotary sleeve
4321 outer surface is installed on spring paddle 4322, and 4322 end of spring paddle and centrifugal globe 4323 are by welding
It is connected.
The radiai adjustment arc plate 412 is nested inside with auxiliary adjustment plate 413, expands outward in radiai adjustment arc plate 412
When adjusting the diameter of clearance regulating mechanism 4, since the expansion of radiai adjustment arc plate 412 has gap, pass through the auxiliary of nested inside
Adjustable plate 413 stretches out, and so that gap is filled and led up, to keep ball more stable in its surface scrolls.
Multiple compartments 4242 are equipped with inside the liquid ball 424 to be made inside centre of sphere room 4243 using multiple compartments 4242
Heated liquid is filled in compartment 4242 when expanding, and accelerates to be made the sphere of liquid ball 424 by thermal enlargement by multiple compartments 4242
4241 accelerated expansions push hot pressing to push the adjusting of 423 auxiliary bearing clearance of piston faster.
Space inside the booster jar 421 is equipped with liquid ball 424, when 421 inner air of booster jar is by bearing high speed rotation
When the heat of generation influences, inner air heating expansion is simultaneously heated to liquid ball 424, its expansion is made to push hot pressing to push away together
Piston 423, expanded air cooperation expansion liquid ball 424 aid two-by-two push get up it is more strong, it is also more stable, make its tool
There is certain supportive to expand the diameter of radiai adjustment circle 41, to reduce the clearance size of bearing.
The rotating propeller blade 432 is made of spring paddle 4322 and centrifugal globe 4323, when making hot gas circulation 43 rotation of circle, band
Dynamic rotating propeller blade 432 rotates, and in the case where the centrifugal force of rotation involves, centrifugal globe 4323 is torn spring paddle 4322 and expanded outward, from
And increase the diameter of rotating propeller blade 432, to have bigger wind-force, and wind-force can be with the rotation of hot gas circulation circle 43
The speed of speed is adjusted, and is sprayed in progress bearing with issuing suitable air-flow size in suitable situation from recirculation hole 434
The air circulation in portion, it is excessively high to reduce Bearing inner temperature, avoid high temperature from influencing the service life of other structures.
Its working principle is that: when large size bearing starts running, ball 3 and bearing outer ring 1 and clearance regulating mechanism 4 are generated
Friction generates high temperature in Bearing inner, and high temperature affects air and liquid ball 424 in booster jar 421, utilizes the original expanded with heat and contract with cold
Reason makes air be expanded to hot pressing promotion piston 423 offer support force with liquid ball 424 and pushes open, makes hot pressing that piston 423 be pushed to push
Hot pressing catch bar 422 allows the drive rod 411 on hot pressing catch bar 422 to push the radiai adjustment arc plate 412 on radiai adjustment circle 41
It expands outwardly, the auxiliary adjustment plate 413 of nested inside is cooperated to stretch out, form a mellow and full circle, in hot-air and expansion
It is bonded the ball 3 rolled under the support of liquid ball 424, makes the radial direction between bearing outer ring 1 and ball 3 and clearance regulating mechanism 4
Clearance is eliminated, and accelerates to generate when increasing with spring to reduce bounce friction bring temperature of the ball 3 in clearance
The noise issued is shaken, to improve the rolling fatigue life of bearing.
The utility model has the advantages that internal friction generates high temperature in large size bearing high speed rotation, the air of high temperature is full of auxiliary in hot pressing
It helps in regulating device 42, the liquid ball 424 for making the atmosphere temperature rising expansion fit inside booster jar 421 become larger pushes hot pressing to push piston
423, make the radiai adjustment arc plate 412 for pushing the drive rod 411 of 423 phase of piston transmission connection to pull radiai adjustment circle 41 with hot pressing
The clearance regulating mechanism 4 that cooperation auxiliary adjustment plate 413 forms a larger diameter is expanded outwardly, the clearance after expanding is made to adjust machine
The surface of ball 3 is close in 4 side of structure, eliminates the radial internal clearance inside large size bearing, temperature rise when large size bearing being enable to run
Slow down, noise is minimized, while alleviating the vibration of Bearing inner to extend the service life of bearing rolling contact fatigue.
Specific embodiment described herein is only to give an example to the present invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of large size bearing radial internal clearance automatic adjusting mechanism, structure includes: bearing outer ring (1), dustproof shell (2), ball
(3), clearance regulating mechanism (4), bearing inner race (5), it is characterised in that: the medial surface of the bearing outer ring (1) is installed on dust-proof
Shell (2) and same axle center, bearing outer ring (1) inner surface insertion are equipped with ball (3), ball (3) lower surface with
Clearance regulating mechanism (4) outer surface fits, and clearance regulating mechanism (4) the inner surface insertion is equipped with bearing inner race (5).
2. a kind of large size bearing radial internal clearance automatic adjusting mechanism according to claim 1, it is characterised in that: the clearance
Regulating mechanism (4) includes radiai adjustment circle (41), hot pressing auxiliary conditioning unit (42), hot gas circulation circle (43), the radial tune
The inner surface of pitch circle (41) and the outer surface of hot pressing auxiliary conditioning unit (42) are sequentially connected, the hot pressing auxiliary conditioning unit
(42) inner surface is installed on hot gas circulation circle (43) and same axle center.
3. a kind of large size bearing radial internal clearance automatic adjusting mechanism according to claim 2, it is characterised in that: the radial direction
Adjusting ring (41) includes drive rod (411), radiai adjustment arc plate (412), auxiliary adjustment plate (413), interlocking bar (414), described
The top of drive rod (411) is connect with the lower surface hinge of radiai adjustment arc plate (412), the radiai adjustment arc plate (412)
It is internally embedded and is equipped with auxiliary adjustment plate (413), under the upper surface and interlocking bar (414) of the radiai adjustment arc plate (412)
End transmission connection.
4. a kind of large size bearing radial internal clearance automatic adjusting mechanism according to claim 2, it is characterised in that: the hot pressing
Auxiliary conditioning unit (42) include booster jar (421), hot pressing catch bar (422), hot pressing push piston (423), liquid ball (424),
Pedestal (425), joint cover (426), being internally embedded for the booster jar (421) are equipped with hot pressing catch bar (422), the hot pressing
The bottom end of catch bar (422) pushes the upper surface of piston (423) to be fixedly connected with hot pressing, and the hot pressing pushes piston (423)
The upper surface of lower surface and liquid ball (424) fits, and the lower surface of the booster jar (421) and the upper surface of pedestal (425) are logical
The mode for crossing welding is fixedly connected, and booster jar (421) insertion is installed on the inside of joint cover (426).
5. a kind of large size bearing radial internal clearance automatic adjusting mechanism according to claim 4, it is characterised in that: the liquid ball
(424) include sphere (4241), compartment (4242), centre of sphere room (4243), drain pipe (4244), the sphere (4241) it is interior
Portion is equipped with compartment (4242) and is integrated, and the inside of the compartment (4242) is equipped with centre of sphere room (4243), institute
The outer surface for stating centre of sphere room (4243) is connected with the head end of drain pipe (4244).
6. a kind of large size bearing radial internal clearance automatic adjusting mechanism according to claim 2, it is characterised in that: the hot gas
Circulation circle (43) includes central axis (431), rotating propeller blade (432), protecting crust (433), recirculation hole (434), the central axis
(431) center with rotating propeller blade (432) is nested, and the end of the central axis (431) and the inner surface of protecting crust (433) are logical
The mode for crossing welding is fixedly connected, and the two sides of the protecting crust (433) are equipped with recirculation hole (434) and are integrated.
7. a kind of large size bearing radial internal clearance automatic adjusting mechanism according to claim 6, it is characterised in that: the rotation
Paddle (432) includes rotary sleeve (4321), spring paddle (4322), centrifugal globe (4323), the rotary sleeve (4321)
Outer surface is installed on spring paddle (4322), and spring paddle (4322) end and centrifugal globe (4323) are by welding
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274812.XA CN109595258B (en) | 2018-10-30 | 2018-10-30 | Automatic radial clearance adjusting mechanism for large bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274812.XA CN109595258B (en) | 2018-10-30 | 2018-10-30 | Automatic radial clearance adjusting mechanism for large bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109595258A true CN109595258A (en) | 2019-04-09 |
| CN109595258B CN109595258B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811274812.XA Active CN109595258B (en) | 2018-10-30 | 2018-10-30 | Automatic radial clearance adjusting mechanism for large bearing |
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| Country | Link |
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| CN (1) | CN109595258B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878506A (en) * | 2020-07-29 | 2020-11-03 | 苏州大贝岩电子科技有限公司 | End compensation rolling bearing with inner ring, outer ring and ball clearance self-adaptively eliminated |
| CN114427566A (en) * | 2022-01-14 | 2022-05-03 | 北京轩宇智能科技有限公司 | Rolling bearing and rotating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878506A (en) * | 2020-07-29 | 2020-11-03 | 苏州大贝岩电子科技有限公司 | End compensation rolling bearing with inner ring, outer ring and ball clearance self-adaptively eliminated |
| CN111878506B (en) * | 2020-07-29 | 2021-06-08 | 苏州讯如电子科技有限公司 | End compensation rolling bearing with inner ring, outer ring and ball clearance self-adaptively eliminated |
| CN114427566A (en) * | 2022-01-14 | 2022-05-03 | 北京轩宇智能科技有限公司 | Rolling bearing and rotating device |
| CN114427566B (en) * | 2022-01-14 | 2024-02-06 | 北京轩宇智能科技有限公司 | Rolling bearing and rotating device |
Also Published As
| Publication number | Publication date |
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| CN109595258B (en) | 2020-11-13 |
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Effective date of registration: 20201027 Address after: 318050 No.32, West Village Office, fengjiang street, Luqiao District, Taizhou City, Zhejiang Province Applicant after: Taizhou Zhesheng Bearing Technology Co.,Ltd. Address before: No. 39 Ximeihu East Lane, Nanan City, Quanzhou City, Fujian Province Applicant before: NAN'AN RUIFANG MACHINERY TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190409 Assignee: Taizhou Long Da Science and Technology Ltd. s Assignor: Taizhou Zhesheng Bearing Technology Co.,Ltd. Contract record no.: X2021330000127 Denomination of invention: An automatic adjusting mechanism for radial clearance of large bearing Granted publication date: 20201113 License type: Common License Record date: 20210824 |
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