CN108827633A - Match rolling bearing intelligent regulator device - Google Patents
Match rolling bearing intelligent regulator device Download PDFInfo
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- CN108827633A CN108827633A CN201810377082.XA CN201810377082A CN108827633A CN 108827633 A CN108827633 A CN 108827633A CN 201810377082 A CN201810377082 A CN 201810377082A CN 108827633 A CN108827633 A CN 108827633A
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- Prior art keywords
- rolling bearing
- baffle
- washer
- support sleeve
- socketed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Abstract
The invention proposes a kind of pairing rolling bearing intelligent regulator device, innovation is：The pairing rolling bearing intelligent regulator device includes bracket, support sleeve, Internal baffle, outer baffle, C-shaped set, clamping plate, swing rod, pendulum, connection bolt, pull pressure sensor, displacement sensor, washer and angular transducer；The method have the benefit that：Propose a kind of pairing rolling bearing intelligent regulator device, the device can measure pretightning force, displacement and moment of friction simultaneously, to construct triadic relation's curve model, according to curve model, the adjustment of required pretightning force under different operating conditions is completed in the adjustment of practical rolling bearing.
Description
Technical field
The present invention relates to a kind of rolling bearing frictional behaviour measuring technology more particularly to a kind of pairing rolling bearings intelligently to adjust
Trial assembly is set.
Background technique
Rolling bearing is the important part in machinery field；When installing rolling bearing, suitable pretightning force, for improving
The service performance of rolling bearing has great importance：Pretightning force is too small, and making rolling bearing, there are gaps when working, and influences work
Make precision；Pretightning force is excessive, and the apparent friction that will lead to rolling element and inside and outside raceway is aggravated, and seriously affects making for rolling bearing
Use the service life；When installing rolling bearing, as can applying correct pretightning force to rolling bearing, the operation of rolling bearing can be made to imitate
Fruit greatly improves, therefore, it is necessary to study the relationship of pretightning force and moment of friction, this just need it is a kind of can be simultaneously to rubbing
The device that wiping torque and pretightning force measure, and rare this device in the prior art.
Summary of the invention
For the problems in background technique, the invention proposes a kind of pairing rolling bearing intelligent regulator devices, including two
A rolling bearing to be tested, innovation are：The pairing rolling bearing intelligent regulator device includes bracket, support sleeve, interior
Baffle, outer baffle, C-shaped set, clamping plate, swing rod, pendulum, connection bolt, pull pressure sensor, displacement sensor, washer and angle
Sensor；
The backing positions are fixed, and connecting column is provided on the right side of bracket, and the axial direction and horizontal direction of connecting column are flat
It goes, the through-hole of perforation bracket is provided in connecting column, through-hole is coaxial with connecting column, the outer diameter of connecting column and the internal diameter of support sleeve
Match；The support sleeve is socketed in outside connecting column, and the outer diameter of support sleeve is matched with the internal diameter of rolling bearing；The internal diameter of the Internal baffle
It is matched with the outer diameter of support sleeve, the outer diameter of Internal baffle is less than the outer diameter of rolling bearing inner ring, and Internal baffle is socketed on support sleeve, interior
The left side of baffle and the right end face contact of bracket；First rolling bearing is socketed in outside support sleeve, the first rolling bearing inner ring
The right end face contact of left side and Internal baffle；The outer diameter of the washer and the outer diameter of rolling bearing are identical, and the internal diameter of washer is greater than
The internal diameter of housing washer, washer are socketed in outside support sleeve, the right side of the left side of washer and the first housing washer
Contact；Second rolling bearing is socketed in outside support sleeve, the left side of the second housing washer and the right end face contact of washer；Institute
The internal diameter for stating outer baffle is less than the outer diameter of rolling bearing inner ring with bolt matching, the outer diameter of outer baffle is connect, and outer baffle setting exists
The right side of connecting column, the right end face contact of the left side of outer baffle and the second rolling bearing inner ring, the left side of outer baffle and company
Connect between the right side of column that there are gaps；The connection bolt socket connects the bolt head position of bolt in the inner hole of outer baffle
In the right side of outer baffle, the middle part for connecting bolt is located in the through-hole, and the left end for connecting bolt is located on the left of bracket；The drawing
It being provided on pressure sensor and connect the matched threaded hole of bolt, connection bolt left end is threadedly coupled with pull pressure sensor,
The right side of pull pressure sensor and bracket left end face contact, outer baffle are pushed against the second rolling bearing inner ring by the bolt head
Right side on；It is provided with spacer pin on bracket left side, is provided on the right side of pull pressure sensor and is matched with spacer pin
Limit hole, spacer pin is socketed in limit hole；The C-shaped set is socketed in outside rolling bearing and washer, and the clamping plate is socketed in C
Shape set is outer, and clamping plate is clamped rolling bearing by C-shaped set；The angular transducer is arranged on the upper surface of clamping plate；The pendulum
The upper end of bar is fixedly connected with clamping plate lower end, and the lower end of swing rod is connect with pendulum；The setting of institute's displacement sensors is in connection bolt
Right side, displacement sensor can to connection bolt axial displacement measure.
In aforementioned device：Pull pressure sensor is used to measure the pulling force of connection bolt, and the pulling force for connecting bolt is to act on
Pretightning force on rolling bearing inner ring；Displacement sensor is used to measure the displacement of connection bolt right side, and connection bolt is right
The displacement of end face is the deformation quantity of Bearing inner, namely pre-tightens displacement；Angular transducer is used to measure the swing of clamping plate
The swing angle of angle, clamping plate is the amplitude of fluctuation of housing washer；Clamping plate is made of two boards, and two boards passes through
The connection of wing bolt nut.
The principle of the present invention is：According to aforementioned structure it is found that connection bolt is supported the inner ring of rolling bearing by outer baffle
Tightly, making the inner ring of rolling bearing will not move with outer ring, and clamping plate is held tightly the outer ring of rolling bearing by C-shaped set, rolling bearing
Outer ring can be moved synchronously with clamping plate；
When specific measurement, pendulum being first lifted to initial position, pendulum is then allowed to fall naturally, pendulum is naturally lower to fall behind,
The uplink highest point reached again is denoted as monitoring position；In aforementioned process, by angular transducer to the rotational angle of outer ring
It is monitored, obtains θ1And θ2；θ1For initial position, the angle in pendulum length direction and vertical direction；θ2At monitoring position, pendulum
The angle of length direction and vertical direction；The initial position is lower than the axle center height of rolling bearing；Then it calculates according to the following formula
The moment of friction M of revolute pair：
Wherein, m is the quality of tilting member；G is acceleration of gravity；L is pendulum length.
Referring to fig. 2, it is initial position that position shown in C is marked in figure, and marking position shown in D is to monitor position；Measurement
When, pendulum is first lifted to initial position, at this point, the angle of pendulum length and vertical direction is θ1；Then pendulum is allowed to fall naturally,
Pendulum is first rocked to downwards minimum point, and after minimum point, pendulum begins to ramp up again and reach again uplink highest point, this mistake
Cheng Zhong, the energy loss as caused by moment of friction, pendulum can not rise to height identical with initial position, be only capable of reaching high
(the Δ h in figure is upper pendulum height loss caused by energy loss) is spent at lower monitoring position, at this point, pendulum length and vertical side
To angle be θ2；According to conservation of energy principle, moment of friction acting should be equal to the energy of loss, then have：
M(θ1+θ2)=mgL (cos θ1-cosθ2)
To get moment of friction calculation formula above-mentioned after above formula is deformed.
Before carrying out measurement of friction torque operation above-mentioned, the size of pretightning force is adjusted by turn connection bolt,
Pull pressure sensor is capable of detecting when the exact numerical of pretightning force, and by pull pressure sensor, we just be can know that, currently measure
Moment of friction corresponding to pretightning force numerical value, the displacement of bearing inner race we can also be read by displacement sensor；?
Test of many times is carried out under the conditions of different pretightning forces, we can obtain moment of friction corresponding to every kind of pretightning force and pre-tighten displacement
Moment of friction, pretightning force and preload displacement are plotted on drawing, can obtain corresponding three Parameters variations curve graph by amount；
The formation of three Parameters variation curve graphs is calculated and is programmed by algorithm in the present invention, realizes computer control terminal to three
The processing of sensing data, then by interface programming, final curve synoptic diagram is finally shown in software interface display end, in this way
Exactly realize the intelligent processing of data.
The prior art is when installing bearing, since pretightning force and preload displacement can not be surveyed, usually all it is installation
Worker rule of thumb pre-tightens, and error is larger；After the present invention program, the thickness of gasket can be adjusted by adjusting, is come smart
Pretightning force is really set, concrete operations are：If the design pretightning force of certain two rolling bearing to be installed is F0, first with of the invention
Device individually tests two rolling bearings to be installed, obtains corresponding three Parameters variations curve, then by quasi- installation
Adjustment gasket (adjustment gasket outer diameter be less than rolling bearing inner ring outer diameter, if adjustment gasket original depth be U1) place
Between two rolling bearings to be installed, the position of connection bolt is then adjusted, pushes against outer baffle by rolling bearing inner ring
In adjusting pad on piece, moment of friction M then is measured by aforementioned test method again1, then according to M1, in three Parameters variation curves
Corresponding pretightning force F is found in figure1With preload displacement L1, then according to F0, found in three Parameters variation curve graphs corresponding
Pre-tighten displacement L0With moment of friction M0, then calculate L1And L0Difference △ x, if F1Greater than F0, then the thickness of gasket will be adjusted
Degree is in U1On the basis of increase △ x；If F1Less than F0, then the thickness of gasket will be adjusted in U1On the basis of reduce △ x.It is thick to adjust gasket
After degree has been adjusted, adjustment gasket is mounted between bearing again and re-measures the current moment of friction M of bearing2If M2With M0
Identical (or in error range), then this adjustment gasket installs bearing, and the pretightning force acted on bearing can be made to reach
To F0Requirement, if M2With M0Deviation is larger, then calculates new △ x in the manner aforesaid again and to adjusting adjusting pad piece thickness
Make further to adjust, moment of friction is then re-measured according to the adjusting pad piece of new thickness, until meeting the requirements.
The method have the benefit that：A kind of pairing rolling bearing intelligent regulator device is proposed, which can be same
When measurement pretightning force, displacement and moment of friction, so that triadic relation's curve model is constructed, according to curve model, in practical rolling
The adjustment of required pretightning force under different operating conditions is completed in the adjustment of dynamic bearing.
Detailed description of the invention
Fig. 1, section structure diagram of the invention；
The structural schematic diagram of Fig. 2, swing part；
Fig. 3, three Parameters variation curve synoptic diagrams；
Position view is arranged in Fig. 4, adjustment gasket；
Title corresponding to each label is respectively in figure：Bracket 1, support sleeve 2, Internal baffle 3, outer baffle 4, C-shaped set 5,
Clamping plate 6, swing rod 7, pendulum 8, connection bolt 9, pull pressure sensor 10, displacement sensor 11, washer 12, angular transducer 13,
Adjust gasket 14, the first rolling bearing A, the second rolling bearing B.
Specific embodiment
A kind of pairing rolling bearing intelligent regulator device, including two rolling bearings to be tested, innovation is：It is described
It includes bracket 1, support sleeve 2, Internal baffle 3, outer baffle 4, C-shaped set 5, clamping plate 6, swing rod that rolling bearing pretightening power, which surveys amount adjusting apparatus,
7, pendulum 8, connection bolt 9, pull pressure sensor 10, displacement sensor 11, washer 12 and angular transducer 13；
1 position of bracket is fixed, and connecting column, the axial direction and horizontal direction of connecting column are provided on the right side of bracket 1
In parallel, the through-hole of perforation bracket 1 is provided in connecting column, through-hole is coaxial with connecting column, and the outer diameter of connecting column is interior with support sleeve 2
Diameter matching；The support sleeve 2 is socketed in outside connecting column, and the outer diameter of support sleeve 2 is matched with the internal diameter of rolling bearing；The Internal baffle
3 internal diameter is matched with the outer diameter of support sleeve 2, and the outer diameter of Internal baffle 3 is less than the outer diameter of rolling bearing inner ring, and Internal baffle 3 is socketed in
On support sleeve 2, the left side of Internal baffle 3 and the right end face contact of bracket 1；First rolling bearing is socketed in outside support sleeve 2, and first
The left side of rolling bearing inner ring and the right end face contact of Internal baffle 3；The outer diameter phase of the outer diameter of the washer 12 and rolling bearing
Together, the internal diameter of washer 12 is greater than the internal diameter of housing washer, and washer 12 is socketed in outside support sleeve 2, the left side of washer 12 with
The right end face contact of first housing washer；Second rolling bearing is socketed in outside support sleeve 2, a left side for the second housing washer
The right end face contact of end face and washer 12；The internal diameter of the outer baffle 4 is matched with bolt 9 is connect, and the outer diameter of outer baffle 4 is less than rolling
The right side of connecting column, the left side of outer baffle 4 and the second rolling bearing inner ring is arranged in the outer diameter of dynamic bearing inner ring, outer baffle 4
Right end face contact, there are gaps between the left side of outer baffle 4 and the right side of connecting column；The connection bolt 9 is socketed in
In the inner hole of outer baffle 4, the bolt head of connection bolt 9 is located at the right side of outer baffle 4, and the middle part of connection bolt 9 is located at described logical
Kong Zhong, the left end of connection bolt 9 are located at 1 left side of bracket；It is provided in the pull pressure sensor 10 and to connect bolt 9 matched
Threaded hole, connection 9 left end of bolt are threadedly coupled with pull pressure sensor 10, and the right side of pull pressure sensor 10 and bracket 1 are left
End face contact, outer baffle 4 are pushed against on the right side of the second rolling bearing inner ring by the bolt head；Bracket is set on 1 left side
It is equipped with spacer pin, is provided on the right side of pull pressure sensor 10 and is socketed in limit with the matched limit hole of spacer pin, spacer pin
In the hole of position；The C-shaped set 5 is socketed in outside rolling bearing and washer 12, and the clamping plate 6 is socketed in outside C-shaped set 5, and clamping plate 6 passes through C
Shape set 5 clamps rolling bearing；The angular transducer 13 is arranged on the upper surface of clamping plate 6；The upper end of the swing rod 7 and folder
6 lower end of plate is fixedly connected, and the lower end of swing rod 7 is connect with pendulum 8；The right side of connection bolt 9 is arranged in institute's displacement sensors 11,
Displacement sensor 11 can measure the axial displacement of connection bolt 9.
When detecting to different rolling bearings, since rolling bearing varies in weight, swing part in device will lead to
Position of centre of gravity changes, and then pendulum length is caused to change, and all pendulum length of detection is obviously less scientific before measurement every time, in order to mention
The convenience of the Supreme People's Procuratorate's measurement, inventor also proposed following preferred embodiment：The swing rod 7 is threaded rod, pendulum 8 and swing rod 7
It is threadedly coupled, hanging ring 7-1 is provided in the middle part of swing rod 7, the axial direction of swing rod 7 is overlapped with the radial direction of support sleeve 2.Based on common sense it is found that
Common pendulum 8, shape generally all will not be polymorphic structure, at this moment, then make the axial direction of swing rod 7 and the radial direction weight of support sleeve 2
It closes, pendulum length direction is just coaxial with the axial direction of swing rod 7, and the center of gravity of swing part is inevitable in the axial direction of swing rod 7 in device, passes through
Screw thread adjusts the relative position of pendulum 8 and swing rod 7, and the position of center of gravity can be adjusted, and when adjusting, passing through hanging ring 7-1 will
Swing part is sling, and the relative position of pendulum 8 and swing rod 7 is adjusted, and is located at center of gravity at the position hanging ring 7-1 (by observing swing rod
It is axial whether with horizontal direction parallel to can determine whether center of gravity is located at the position hanging ring 7-1), can so make pendulum length length at
For a constant, when being detected every time to different rolling bearings, only position of centre of gravity need to slightly be adjusted and can be measured, greatly
The big convenience for improving detection.
It, can also direct solution pendulum length l by the following method if inconvenient center-of-gravity regulating when practical application：
By the angular momentum theorem of single pendulum system it is found that the kinematical equation of simple harmonic motion model can be expressed as following formula：
Above formula is solved using the separation of variable, then can derive the expression formula of the cycle T of single pendulum under any angle：
Then pendulum length l can be calculated by following formula：
Wherein：α is initial angle, and g is acceleration of gravity；
For precision bearing, moment of friction often very little, when just swinging, the period can keep the calibration that compares
True numerical value, therefore pendulum length l can also be determined by theoretical calculation.
Wherein period of single pendulum T we can be obtained by angular transducer 13, angular transducer transmission data in record
The angle of left and right highest point, also have recorded the time used number.By handling data, we can analyze out period of single pendulum
The value of T.
Claims (1)
1. a kind of pairing rolling bearing intelligent regulator device, including two rolling bearings to be tested, it is characterised in that：It is described to match
It include bracket (1), support sleeve (2), Internal baffle (3), outer baffle (4), C-shaped set (5), clamping plate to rolling bearing intelligent regulator device
(6), swing rod (7), pendulum (8), connection bolt (9), pull pressure sensor (10), displacement sensor (11), washer (12) and angle
It spends sensor (13)；
Bracket (1) position is fixed, and connecting column, the axial direction and horizontal direction of connecting column are provided on the right side of bracket (1)
In parallel, the through-hole of perforation bracket (1) is provided in connecting column, through-hole is coaxial with connecting column, the outer diameter of connecting column and support sleeve (2)
Internal diameter matching；The support sleeve (2) is socketed in outside connecting column, and the outer diameter of support sleeve (2) is matched with the internal diameter of rolling bearing；Institute
The internal diameter for stating Internal baffle (3) is matched with the outer diameter of support sleeve (2), and the outer diameter of Internal baffle (3) is less than the outer diameter of rolling bearing inner ring,
Internal baffle (3) is socketed on support sleeve (2), the left side of Internal baffle (3) and the right end face contact of bracket (1)；First axis of rolling
It holds and is socketed in support sleeve (2) outside, the left side of the first rolling bearing inner ring and the right end face contact of Internal baffle (3)；The washer
(12) outer diameter is identical as the outer diameter of rolling bearing, and the internal diameter of washer (12) is greater than the internal diameter of housing washer, washer (12)
It is socketed in support sleeve (2) outside, the left side of washer (12) and the right end face contact of the first housing washer；Second rolling bearing
It is socketed in support sleeve (2) outside, the left side of the second housing washer and the right end face contact of washer (12)；The outer baffle
(4) internal diameter is less than the outer diameter of rolling bearing inner ring with bolt (9) matching, the outer diameter of outer baffle (4) is connect, and outer baffle (4) is set
It sets in the right side of connecting column, the left side of outer baffle (4) and the right end face contact of the second rolling bearing inner ring, outer baffle (4)
There are gaps between left side and the right side of connecting column；The connection bolt (9) is socketed in the inner hole of outer baffle (4), even
The bolt head of connecting bolt (9) is located at the right side of outer baffle (4), and the middle part of connection bolt (9) is located in the through-hole, connects bolt
(9) left end is located on the left of bracket (1)；It is provided on the pull pressure sensor (10) and connect bolt (9) matched screw thread
Hole, connection bolt (9) left end are threadedly coupled with pull pressure sensor (10), the right side of pull pressure sensor (10) and bracket
(1) left end face contact, outer baffle (4) are pushed against on the right side of the second rolling bearing inner ring by the bolt head；Bracket (1) is left
It is provided with spacer pin on end face, is provided on the right side of pull pressure sensor (10) and the matched limit hole of spacer pin, limit
Pin is socketed in limit hole；The C-shaped set (5) is socketed in rolling bearing and washer (12) outside, and the clamping plate (6) is socketed in C-shaped
Cover (5) outside, clamping plate (6) is clamped rolling bearing by C-shaped set (5)；The angular transducer (13) is arranged in the upper of clamping plate (6)
On end face；The upper end of the swing rod (7) is fixedly connected with clamping plate (6) lower end, and the lower end of swing rod (7) is connect with pendulum (8)；It is described
On the right side of connection bolt (9), displacement sensor (11) can be to the axial displacement of connection bolt (9) for displacement sensor (11) setting
It measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377082.XA CN108827633B (en) | 2018-04-25 | 2018-04-25 | Intelligent debugging device for paired rolling bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377082.XA CN108827633B (en) | 2018-04-25 | 2018-04-25 | Intelligent debugging device for paired rolling bearings |
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| CN108827633A true CN108827633A (en) | 2018-11-16 |
| CN108827633B CN108827633B (en) | 2020-03-31 |
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| CN110744357A (en) * | 2019-10-28 | 2020-02-04 | 河南科技大学 | Device and method for testing transient pretightening force of main shaft bearing of machine tool |
| CN110887589A (en) * | 2019-12-04 | 2020-03-17 | 兰州华汇仪器科技有限公司 | Method for measuring friction torque of bearing during rotation |
| CN112407324A (en) * | 2020-11-03 | 2021-02-26 | 中国直升机设计研究所 | Helicopter tail rotor load measuring and mounting device |
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|---|---|---|---|---|
| FR3112203B1 (en) * | 2020-07-06 | 2022-07-01 | Alstom Transp Tech | Device for testing parameters relating to at least one bearing, and associated test method |
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