CN106595925A - Servo mechanism bearing pretightening force detection device - Google Patents
Servo mechanism bearing pretightening force detection device Download PDFInfo
- Publication number
- CN106595925A CN106595925A CN201610961475.6A CN201610961475A CN106595925A CN 106595925 A CN106595925 A CN 106595925A CN 201610961475 A CN201610961475 A CN 201610961475A CN 106595925 A CN106595925 A CN 106595925A
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- encoder
- platform
- servo control
- control mechanism
- shaped frame
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a servo mechanism bearing pretightening force detection device including a platform base on which a bearing is arranged, a driving mechanism arranged on the platform base; a moment sensor and an encoder, and a universal coupling and a U-shaped frame, one end of the moment sensor is connected with the driving mechanism and one end of the encoder is connected with the other end of the moment sensor, one end of the encoder is connected with the U-shaped frame through the universal coupling, and the driving mechanism drives the U-shaped frame to do reciprocating motion, and drives the bearing, the moment sensor, and the encoder to rotate synchronously.
Description
Technical field
The present invention relates to a kind of measuring apparatus, in particular it relates to a kind of servo control mechanism bearing pre-fastening testing equipment.
Background technology
Important component part of the servo control mechanism as guide mechanism, is the precision that machinery and control system combine
Device, is the critical component of PGK and homing guidance, and which finally assembles and the result debugged will be directly influenced
The accuracy of precise guidance, therefore the accurate integration techno logy of servo control mechanism is the basis for realizing precise guidance.In existing technology
In, the assembly pretightening power that the precision of servo control mechanism is debug between each group bearing roller component and bull gear raceway is entirely by technician
It is personal with feeling to carry out control that the quantitative data not referred to causes Jing staring torque often occur pockety existing
As needs carry out the requirement that dynamic adjustment repeatedly could meet design objective, reduce the production efficiency of product, cause guiding
Production cycle of mechanism, production cost, quality and reliability, stability are difficult to control to, and the problem is in the production of Multiple Type
Exist, be the common problem of limit product production, an and unsolved assembly technology difficult problem for a long time.
The content of the invention
The invention provides a kind of servo control mechanism bearing pre-fastening testing equipment, including：Platform base, servo are placed on institute
State on platform base；Drive mechanism, the drive mechanism are arranged on the platform base；Torque sensor and encoder, institute
The one end for stating torque sensor is connected with the drive mechanism, and one end of the encoder is connected with the torque sensor other end
Connect；Universal coupling and U-shaped frame, one end of the encoder are connected with the U-shaped frame by the universal coupling；The drive
Motivation structure drives U-shaped frame to move reciprocatingly, while driving bearing, torque sensor and decoders-Synchronous are rotated.
Further, the drive mechanism is direct-drive motor, and the encoder is incremental encoder.
Further, the platform base includes mounting platform and reference platform, and the mounting platform is in one direction
Section be N-shaped, the mounting platform has an installation region, and the installation region is used to install electric machine support and potentiometer
Frame, is provided with through hole in the middle part of the reference platform, and the through hole is used to accommodate servo control mechanism.
Beneficial effects of the present invention are：Unified detection reference platform is provided for product, using the structure of product itself
Form Characteristic, using reverse thinking, the size of the staring torque of the bearing outer ring by detecting tested elaborate servo mechanism is come anti-
Pretightning force size between feedback roll wheel assembly and bull gear raceway, realizes the quantization of assembly pretightening power, solves and assembled in the past
A full difficult problem by technician personal experience, realizes quantitative assembling, ensures batch assembling properties of product stability, quality conformance.
Description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for description, the reality with the present invention
Applying example is used for explaining the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation of the testing equipment of bearing pre-fastening；
Fig. 2 shows the structural representation of platform base；
Fig. 3 shows the structural representation of electric machine support；
Fig. 4 shows the structural representation of potentiometer support；
Fig. 5 shows the structural representation of U-shaped frame；
In figure：1st, platform base；2nd, drive mechanism；3rd, electric machine support；4th, torque sensor；5th, encoder；6th, potentiometer
Support；7th, universal coupling；8th, U-shaped frame；11st, reference platform；12nd, the first fixed block；13rd, the second fixed block；14th, first extends
Portion；15th, mounting platform；16th, the second extension；17th, installation region；81st, the first projection；82nd, the second projection；83rd, contiguous block；
84th, connect cylinder；31st, electric machine support pedestal；32nd, the first motor connection ear；33rd, the second motor connection ear；61st, potentiometer support
Pedestal；62nd, the first potentiometer engaging lug；63rd, the second potentiometer engaging lug.
Specific embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example and be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As shown in figure 1, a kind of bearing pre-fastening testing equipment, specifically, the testing equipment is used for the minimum for detecting outer ring
, between the roller and bull gear raceway of the bearing of tested elaborate servo mechanism, there is rolling friction, pair roller pretension in staring torque
The size of power indirectly can be reacted in the frictional force between roller and bull gear raceway, and pretightning force is bigger, roller and bull gear
Frictional force between raceway is also bigger, and the minimum staring torque that outer ring needs is also bigger, otherwise then less.For this purpose, using inverse
To thinking, fed back between roller and bull gear raceway by the size of the staring torque of the tested elaborate servo mechanism outer ring of detection
Pretightning force it is whether suitable, so as to reach the purpose for quantifying assembly pretightening power.
Referring back to Fig. 1, the bearing pre-fastening testing equipment includes platform base 1, drive mechanism 2, electric machine support 3, torque
Sensor 4, encoder 5, potentiometer support 6, universal coupling 7 and U-shaped frame 8.Specifically, platform base 1 is placed in surface
In smooth detection platform.Referring to Fig. 2, platform base 1 includes mounting platform 15 and reference platform 11.The middle part of reference platform 11
A through hole is provided with, through hole is used to accommodate the servo control mechanism for needing detection, and 12 He of the first fixed block is provided with reference platform 11
Second fixed block 13, the first fixed block 12 and the second fixed block 13 are used for fixing bearing.More specifically, having on the second fixed block 12
Screw, screw pass through screw and fix bearing.Further, installation region 17 is provided with mounting platform 15, the installing zone
Domain 17 is used to install electric machine support 3 and potentiometer support 6.Specifically, electric machine support 3 is used to install fixed drive mechanism 2, current potential
Device support 6 is used to fixedly mount encoder 5.In one embodiment, drive mechanism 2 is direct-drive motor, and encoder 5 is to increase
Amount encoder.Further, elaborate servo mechanism is placed on the reference platform of platform base 1, and is fixed by screw.
Drive mechanism 2 is positioned on platform base, and is attached with torque sensor 4.Encoder 5 is fixed by potentiometer support 6
On the mounting platform 15 of platform base 1, one end of encoder 5 is connected with torque sensor 4, and the other end of encoder 5 passes through
Universal coupling 7 is connected with U-shaped frame 8.U-shaped frame 8 is big with the tested servo control mechanism that is placed on the reference platform of platform base 1
Gear ring is attached by screw.Further, direct-drive motor 2 drives U-shaped frame 8 to move reciprocatingly, while driving tested
Servo control mechanism, torque sensor 4 and encoder 5 synchronous axial system therewith, realizes to tested servo control mechanism moment of friction and angle position
The accurate measurement put.
Further, direct-drive motor 2 is connected with U-shaped frame 8 by universal coupling 7, in order to reduce test
Offset error between the rotary axis of the rotary axis of equipment and tested servo control mechanism outer ring causes shadow to torgue measurement precision
Ring；Mounting torque sensor and incremental encoder between direct-drive motor and universal coupling, for measuring tested watching
Take the torsional moment and bull gear location of mechanism outer ring.By computer simulation emulation, tested servo is accurately calculated
Z-direction distance between the reference platform of the rotation centerline and platform base of mechanism's bull gear, it is ensured that the rotation of direct-drive motor 2
Turn center coaxial torsional moment when tested servo control mechanism bull gear is reversed is kept with the centrage of tested servo control mechanism bull gear
The moment of friction of tested servo control mechanism outer ring is divided by radius of turn, therefore, existed by measuring tested servo control mechanism bull gear
The staring torque of various location, it is possible to obtain the distribution of its various location frictional force.
Referring back to Fig. 1 and Fig. 3, one end and the torque sensor 4 of direct-drive motor are attached, and pass through electric machine support
3 are fixed.One end of encoder 5 is attached with universal coupling 7, and is fixed by potentiometer support 6.More specifically
Ground, electric machine support 3 include electric machine support pedestal 31, and the first motor connection ear 32 and the second motor connection ear 33.Motor
Frame pedestal 31 is fixed by screws on the installation region 17 of the mounting platform 15 of platform base 1.First motor connection ear, 32 He
Through hole is provided with second motor connection ear 33, direct-drive motor passes through the first motor connection ear 32 and the second motor connection ear
33 and it is fixed on the first motor connection ear 32 and the second motor connection ear 33.
Referring back to Fig. 4, potentiometer support 6 includes that potentiometer support pedestal 61, the first potentiometer engaging lug 62 and second are electric
Position device engaging lug 63.Potentiometer support pedestal 61 is fixed on installation region 17 by screw thereon.In addition, encoder 5 is logical
The first potentiometer engaging lug 62 and the second potentiometer on overpotential device support 6 connects passing through on lug 63, and is fixed on current potential
On device support 6.
Referring back to Fig. 5, the middle part of U-shaped frame 8 is provided with contiguous block 83, and there are connection cylinder 84, connection in the middle part of contiguous block 83
Post 84 is connected with universal coupling 7.The two ends of U-shaped frame 8 have the first projection 81 and the second projection 82, the first projection 81 and second
Projection 82 is connected with the bull gear of the bearing of tested elaborate servo mechanism.
Further, during direct-drive motor 2 drives tested elaborate servo mechanism to rotate, encoder 5 and torque are passed
The synchronous axial system therewith of sensor 4, angle information is converted into pulse signal and feeds back to slave computer by encoder 5, and torque sensor is then
Moment of friction in measurement process is changed into into analogue signal and feeds back to slave computer, so as to the tested precision of indirect feedback pair of rollers is watched
Take the size of mechanism's pretightning force.If tested elaborate servo mechanism frictional force somewhere is abnormal (bigger than normal or less than normal), adjust
The pretightning force of corresponding position roller, to reach the effect of the tested elaborate servo mechanism of adjustment bull gear frictional force herein, afterwards
Which is measured again and starts moment of friction, adjust the pretightning force of respective roller further according to measurement result, until meeting the full row of bull gear
Till the requirement of Cheng Pingwen operatings, the quantification to tested elaborate servo mechanism roller assembly pretightening power is realized.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, which still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (3)
1. a kind of servo control mechanism bearing pre-fastening testing equipment, it is characterised in that include：
Platform base, servo control mechanism are placed on the platform base；
Drive mechanism, the drive mechanism are arranged on the platform base；
Torque sensor and encoder, one end of the torque sensor are connected with the drive mechanism, and the one of the encoder
End is connected with the torque sensor other end；
Universal coupling and U-shaped frame, one end of the encoder are connected with the U-shaped frame by the universal coupling；
The drive mechanism drives U-shaped frame to move reciprocatingly, while servo control mechanism, torque sensor and decoders-Synchronous are rotated.
2. servo control mechanism bearing pre-fastening testing equipment as claimed in claim 1, it is characterised in that the drive mechanism is straight
Stream motor, the encoder are incremental encoder.
3. servo control mechanism bearing pre-fastening testing equipment as claimed in claim 2, it is characterised in that the platform base includes
Mounting platform and reference platform, mounting platform section in one direction are N-shaped, and the mounting platform is with an installation
Region, the installation region are used to install electric machine support and potentiometer support, are provided with through hole in the middle part of the reference platform, and this leads to
Hole is used to accommodate servo control mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961475.6A CN106595925A (en) | 2016-10-28 | 2016-10-28 | Servo mechanism bearing pretightening force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961475.6A CN106595925A (en) | 2016-10-28 | 2016-10-28 | Servo mechanism bearing pretightening force detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595925A true CN106595925A (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610961475.6A Pending CN106595925A (en) | 2016-10-28 | 2016-10-28 | Servo mechanism bearing pretightening force detection device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886978A (en) * | 2010-07-07 | 2010-11-17 | 四川大学 | Vacuum high/low temperature environmental simulation electromechanical transmission mechanism comprehensive performance experimental system |
| JP5531423B2 (en) * | 2009-03-05 | 2014-06-25 | トヨタ自動車株式会社 | Friction torque measuring device |
| CN204085752U (en) * | 2014-09-03 | 2015-01-07 | 北京新立机械有限责任公司 | A kind of moment of friction aided measurement device |
| CN104374569A (en) * | 2014-10-29 | 2015-02-25 | 浙江双环传动机械股份有限公司 | RV reducer transmission feature test system |
| CN105716769A (en) * | 2016-04-11 | 2016-06-29 | 四川志方科技有限公司 | Starting torque testing device for RV reducer and implementation method of testing device |
| CN106053062A (en) * | 2016-07-21 | 2016-10-26 | 南京工程学院 | RV reducer comprehensive test bench |
-
2016
- 2016-10-28 CN CN201610961475.6A patent/CN106595925A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5531423B2 (en) * | 2009-03-05 | 2014-06-25 | トヨタ自動車株式会社 | Friction torque measuring device |
| CN101886978A (en) * | 2010-07-07 | 2010-11-17 | 四川大学 | Vacuum high/low temperature environmental simulation electromechanical transmission mechanism comprehensive performance experimental system |
| CN204085752U (en) * | 2014-09-03 | 2015-01-07 | 北京新立机械有限责任公司 | A kind of moment of friction aided measurement device |
| CN104374569A (en) * | 2014-10-29 | 2015-02-25 | 浙江双环传动机械股份有限公司 | RV reducer transmission feature test system |
| CN105716769A (en) * | 2016-04-11 | 2016-06-29 | 四川志方科技有限公司 | Starting torque testing device for RV reducer and implementation method of testing device |
| CN106053062A (en) * | 2016-07-21 | 2016-10-26 | 南京工程学院 | RV reducer comprehensive test bench |
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Application publication date: 20170426 |