CN206192654U - Planet ball screw pair 's two -way change loading device - Google Patents
Planet ball screw pair 's two -way change loading device Download PDFInfo
- Publication number
- CN206192654U CN206192654U CN201621278020.6U CN201621278020U CN206192654U CN 206192654 U CN206192654 U CN 206192654U CN 201621278020 U CN201621278020 U CN 201621278020U CN 206192654 U CN206192654 U CN 206192654U
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- screw pair
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- leading screw
- nut
- ball screw
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Abstract
The utility model relates to a planet ball screw pair 's two -way change loading device is by servo motor, shaft coupling, torque sensor, shaft coupling, tapered roller bearing, planet ball screw pair , the sleeve of coaxial coupling in proper order, draw pressure sensor, spring, slider, baffle to constitute, pass through the coupling joint between torque sensor and servo motor and the planet ball screw pair , the linear grating sensor with muffjoint sharp sliding on two linear guide that parallel that the nut is connected, has been arranged by two tapered roller bearing supportings of carrying on the back mutually to planet ball screw pair 's lead screw one end between sleeve and the workstation, spring one end is fixed with drawing pressure sensor, and the other end is connected with the slider. The straighten company of this device through servo motor directly drives the work of planet ball screw pair , utilizes torque sensor, draws pressure sensor and grating sensor as the measurement and the feedback signal collection of system, forms the closed -loop control of whole device, the structure is simple and convenient, and planet ball screw pair 's biaxial loadings is convenient for realize by the flexible operation, can simulate planet ball screw pair 's loading working process, and loading power size can be adjusted, also can conveniently measure planet ball screw pair 's transmission efficiency and movement accuracy.
Description
Technical field
The utility model belongs to automatic detection system technical field, is related to a kind of two-way change of planetary roller screw pair to add
Carry and put, the varying load course of work for simulating planetary roller screw pair realizes the continuous varying load of planetary roller screw pair
Loading test and running adaptation.
Background technology
With the continuous progress of industrial technology, traditional switching mechanism cannot meet top load, long-life, high accuracy
Industrial requirements.Planetary roller screw pair as new precision drive mechanism, with its high thrust, heavy load, high accuracy, longevity
The advantage of life gradually obtains market and recognizes, has more perfectly agreed with the current market demand.
Planetary roller screw pair is the transmission mechanism that a kind of dependence screw-driven realizes that gyration and linear motion are exchanged,
The synthesis of mechanism planet circular system, ball-screw, the movement characteristic of needle bearing, by the uniform multiple rollers around leading screw,
The forced contact area of leading screw in increase transmission process, so that mechanism can bear bigger load and impact, and can
Heavily loaded thousands of hours are born under extremely arduous environment, be increasingly becoming the full electrification development of future aircraft and weaponry and
The important transmission device in the fields such as oil, chemical industry, lathe.Planetary roller screw pair makes in more perfectly solving modern mechanical
The problems faced when as transmission mechanism with ball screw assembly, also due to its friction is small, efficiency high, long lifespan,
The characteristics of very-high performances such as large carrying capacity, as the military fields such as Aeronautics and Astronautics, weaponry and Digit Control Machine Tool, medical row
The primary drive element of the civil area plant equipment linear servo system such as industry, packaging for foodstuff.
Planetary roller screw pair is made up of leading screw, nut and roller, and roller both did rotation movement around leading screw, and revolution fortune is done again
It is dynamic, so its transmission principle is similar to planetary gear, leading screw can be regarded as sun gear, roller is as planetary gear.To ensure
The normal work of planetary roller screw pair, must just carry out load test and loading running-in to it.In real work, planetary roller
Lead screw pair is rotated by servomotor, and driving force is input into by leading screw, drives roller motion, roller around leading screw revolve round the sun while
Rotation, then nut is imparted power to by roller, nut produces axial displacement, and nut is circumferentially fixed, as output end, so that band
Dynamic roller does revolution motion around leading screw, it is advanced along threads of lead screw, promotes load.
Therefore, running-in and performance test are carried out before dispatching from the factory in order to realize planetary roller screw pair, proposes a kind of planet rolling
The two-way load-variable device of post lead screw pair, simulates the practical work process of planetary roller screw pair, is planetary roller screw pair
Running-in and Calibration provide test data.
The content of the invention
The utility model provides a kind of two-way load-variable device of planetary roller screw pair, simulation planetary roller screw pair
Practical work process, is that the running-in of planetary roller screw pair and Calibration provide test data.
The utility model solves the technical scheme that is used of technical problem：
A kind of two-way load-variable device of planetary roller screw pair, including the servomotor 1, shaft coupling for sequentially coaxially connecting
2nd, torque sensor 3, shaft coupling 2, taper roll bearing 4, leading screw 5, nut 6, sleeve 7, pull pressure sensor 8, spring 9, cunning
Block 10, baffle plate 11；Nut 6 is connected by key with sleeve 7, and the two ends end cap of sleeve 7 is supported on work by two line slideways 14
On platform 12, linear grating sensor 13 is installed between sleeve 7 and workbench 12；One end of spring 9 connects with pull pressure sensor 8
Connect, the other end of spring 9 is connected with sliding block 10 and baffle plate 11, and baffle plate 11 is fixedly connected on table 12；The one end of leading screw 5 passes through
Taper roll bearing 4 is connected with bearing and workbench 12, and nut 6 slides in leading screw 5, band moving sleeve 7 and the edge of pull pressure sensor 8
Line slideway 14 to slide；It is connected by shaft coupling 2 between torque sensor 3 and servomotor 1 and leading screw 5；Servomotor 1,
Torque sensor 3, taper roll bearing 4, sleeve 7 are fixedly connected on table 12 by the bearing similar with bearing support 15.
The leading screw 5 and nut 6 are two chief components of planetary roller screw pair, and planetary roller screw pair is also wrapped
Include several rollers；Several rollers are evenly distributed in the endoporus of the outside of leading screw 5 and nut 6, when leading screw 5 is rotated, roller
Planetary motion is done, then along the axial slip of leading screw 5 when nut 6 is not rotated.
Pull pressure sensor 8 is arranged between sleeve 7 and spring 9, and the pulling force or pressure value for feedback spring 9 are big
It is small；Sliding block 10 is a kind of adjustable adjusting apparatus of thickness, the position of the test section for adjusting leading screw in planetary roller screw pair；
Grating sensor 13 is arranged between sleeve 7 and workbench 12, for feeding back moving displacement of the nut 6 with respect to leading screw 5.
A kind of loading method of the two-way load-variable device of planetary roller screw pair, is divided into positive loading and Opposite side loading two
Individual process；Described in forward direction loading, servomotor 1 drives leading screw 5 to rotate, and the nut 6 that leading screw 5 drives is slided to the right along its axial direction
Move, nut 6 is moved right with moving sleeve 7 and pull pressure sensor 8, and spring 9 is compressed, start to add between leading screw 5 and nut 6
Carry, with being rotated further for servomotor 1, the load between nut 6 and leading screw 5 is stepped up；Load when therebetween reaches
During to preset value, servomotor 1 is rotated backward, and nut 6 slides to the left, and the load between nut 6 and leading screw 5 progressively reduces；When
Spring 9 in the raw when, the registration of pull pressure sensor 8 is zero, and now positive loading procedure terminates；During Opposite side loading,
Servomotor 1 continues to rotate backward, and nut 6 is moved to the left together with moving sleeve 7, pull pressure sensor 8, and spring 9 is stretched, with
Being rotated further for servomotor 1, spring 9 is further stretched, the load between leading screw 5 and nut 6 increases, when pressure is passed
When the registration of sensor 8 reaches preset value, servomotor 1 is rotated backward, and nut 6 moves right with moving sleeve 7, pull pressure sensor 8
Dynamic, the load between nut 6 and leading screw 5 progressively reduces, when spring 9 in the raw when, the registration of pull pressure sensor 8 is
Zero, now Opposite side loading process terminate.
The beneficial effects of the utility model：Planetary roller screw pair work is driven by the direct-connected straight drive mode of servomotor
Make, gathered by the use of torque sensor, pull pressure sensor and grating sensor as the measurement of system and feedback signal, formed whole
The closed-loop control of individual device；By the change of the amount of tension and decrement of spring, the varying load work of planetary roller screw pair is realized
Make；The position of leading screw active section in planetary roller screw pair is adjusted by the thickness of sliding block.This apparatus structure is simple, can realize
The two-way varying load loading of planetary roller screw pair, can select the work fragment position of leading screw, and the efficiency of measurement and the degree of accuracy are high,
All-round property testing and product quality lifting to planetary roller screw pair has engineering significance.
Brief description of the drawings
Fig. 1 is a kind of two-way load-variable device structural representation of planetary roller screw pair.
In figure：1- servomotors, 2- shaft couplings, 3- torque sensors, 4- taper roll bearings, 5- leading screws, 6- nuts, 7-
Sleeve, 8- pull pressure sensor, 9- springs, 10- sliding blocks, 11- baffle plates, 12- workbench, 13- grating sensors, 14- straight lines are led
Rail, 15- bearing supports.
Specific embodiment
Below in conjunction with the accompanying drawings and specific implementation method of the present utility model is discussed in detail.
Such as Fig. 1, the two-way load-variable device of a kind of planetary roller screw pair, by the servomotor 1, the connection that sequentially coaxially connect
Axle device 2, torque sensor 3, shaft coupling 2, taper roll bearing 4, leading screw 5, nut 6, sleeve 7, pull pressure sensor 8, spring
9th, sliding block 10, baffle plate 11 are constituted；The one end of leading screw 5 is by the way that on taper roll bearing 4, the other end is fixed by sleeve 7, spiral shell
Female 6 are connected by key with sleeve 7, while 7 liang of end-stopping plates of sleeve are respectively by two line slideways 14 parallel to workbench 12
Hold, line slideway 14 is following to be provided with linear grating sensor 13 simultaneously, and one end of spring 9 is fixed with pull pressure sensor 8 and connected
Connect, the other end is equipped with sliding block 10 and baffle plate 11, baffle plate 11 is fixed on table 12；Servomotor 1 and torque sensor 3 it
Between, it is connected by shaft coupling 2 respectively between torque sensor 3 and leading screw 5, servomotor 1, torque sensor 3, taper roll bearing
4th, by the similar fixed bearing of bearing support 15, bearing support 15 etc. is bolted in the groove of workbench 12 sleeve 7, keeps off
Plate 11 is fixed and plays inhibition on table 12.
Planetary roller screw pair as a kind of new transmission device, using servomotor 1 as power source, by moment of torsion
Sensor 3, grating sensor 13 and pull pressure sensor 8 are fed back and are measured, and realize that the closed loop of planetary roller screw pair adds
Carry and precise control.
The two axial ends of torque sensor 3 are connected by shaft coupling 2 with the shaft end of servomotor 1 and one end of leading screw 5 respectively
Connect to test the output torque and tachometer value of simultaneously feedback servo motor 1.
The positioning precision of line slideway 14 is higher, bears load-carrying ability by force, long service life；Line slideway 14 is by sleeve 7
It is attached between workbench 12, to 7 supportings of sleeve and guide effect, guide sleeve 7 drives nut 6 to make linear reciprocation fortune
It is dynamic.
Grating sensor 13 can detect the stationarity of motion and rising to and pulse for acceleration as linear measure longimetry benchmark,
Realize the measurement to positioning precision under planetary roller screw pair working condition.
A kind of operation principle of the two-way load-variable device of planetary roller screw pair：
The two-way load-variable device of a kind of planetary roller screw pair, by the servomotor, shaft coupling, the torsion that sequentially coaxially connect
Square sensor, shaft coupling, taper roll bearing, planetary roller screw pair, sleeve, pull pressure sensor, spring, sliding block, baffle plate
Composition；The same torque sensor of servomotor, is connected by shaft coupling respectively between torque sensor and planetary roller screw pair；OK
By two opposite taper roll bearings supportings, feed screw nut and sleeve connection, sleeve is then by connecting for star roller screw pair one end
Connect two parallel line slideways and move forward and backward, guide rail is provided with linear grating sensor simultaneously below, spring one end with
Pull pressure sensor is fixed, and the other end is fixedly connected with a slide block.
A kind of course of work of the two-way load-variable device of planetary roller screw pair：
During forward direction loading, servomotor 1 drives leading screw 5 to rotate, and the nut 6 that leading screw 5 drives axially slides to the right along it, spiral shell
Female 6 band moving sleeve 7 and pull pressure sensor 8 are moved right, and spring 9 is compressed, and loading is started between leading screw 5 and nut 6, with
Being rotated further for servomotor 1, the load between nut 6 and leading screw 5 is stepped up；Load when therebetween reaches default
During value, servomotor 1 is rotated backward, and nut 6 slides to the left, and the load between nut 6 and leading screw 5 progressively reduces；At spring 9
When nature, the registration of pull pressure sensor 8 is zero, and now positive loading procedure terminates.
During Opposite side loading, servomotor 1 continues to rotate backward, nut 6 with moving sleeve 7, pull pressure sensor 8 together to the left
Mobile, spring 9 is stretched, and with being rotated further for servomotor 1, spring 9 is further stretched, between leading screw 5 and nut 6
Load increase, when the registration of pull pressure sensor 8 reaches preset value, servomotor 1 is rotated backward, nut 6 with moving sleeve 7,
Pull pressure sensor 8 moves right, and the load between nut 6 and leading screw 5 progressively reduces, when spring 9 in the raw when, draw
The registration of pressure sensor 8 is zero, and now Opposite side loading process terminates.
Claims (3)
1. a kind of two-way load-variable device of planetary roller screw pair, its feature includes the servomotor for sequentially coaxially connecting（1）、
Shaft coupling（2）, torque sensor（3）, shaft coupling（2）, taper roll bearing（4）, leading screw（5）, nut（6）, sleeve（7）, draw
Pressure sensor（8）, spring（9）, sliding block（10）, baffle plate（11）；Nut（6）By key and sleeve（7）Connection, sleeve（7）Two
End end cap passes through two line slideways（14）It is supported on workbench（12）On, sleeve（7）And workbench（12）Between be provided with it is straight
Linear light gate sensor（13）；Spring（9）One end and pull pressure sensor（8）Connection, spring（9）The other end be connected with sliding block
（10）And baffle plate（11）, baffle plate（11）It is fixedly connected on workbench（12）On；Leading screw（5）One end passes through taper roll bearing（4）
With bearing and workbench（12）Connection, nut（6）In leading screw（5）Upper sliding, band moving sleeve（7）And pull pressure sensor（8）Edge
Line slideway（14）Sliding；Torque sensor（3）With servomotor（1）And leading screw（5）Between pass through shaft coupling（2）It is connected；
Servomotor（1）, torque sensor（3）, taper roll bearing（4）, sleeve（7）By with bearing support（15）Similar bearing is consolidated
Surely it is connected to workbench（12）On.
2. a kind of two-way load-variable device of the planetary roller screw pair described in claim 1, it is characterised in that the leading screw
（5）And nut（6）It is two chief components of planetary roller screw pair, planetary roller screw pair is also rolled including several
Post；Several rollers are evenly distributed on leading screw（5）Outside and nut（6）Endoporus in, leading screw（5）During rotation, roller does row
Luck is moved, nut（6）Then along leading screw when not rotating（5）Axial slip.
3. the two-way load-variable device of a kind of planetary roller screw pair described in claim 1, it is characterised in that pressure is sensed
Device（8）Installed in sleeve（7）With spring（9）Between, for feedback spring（9）Pulling force or pressure value size；Sliding block（10）
It is a kind of adjustable adjusting apparatus of thickness, the position of the test section for adjusting leading screw in planetary roller screw pair；Grating sensing
Device（13）It is arranged in sleeve（7）And workbench（12）Between, for feeding back nut（6）With respect to leading screw（5）Moving displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278020.6U CN206192654U (en) | 2016-11-26 | 2016-11-26 | Planet ball screw pair 's two -way change loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278020.6U CN206192654U (en) | 2016-11-26 | 2016-11-26 | Planet ball screw pair 's two -way change loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192654U true CN206192654U (en) | 2017-05-24 |
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ID=58725135
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621278020.6U Expired - Fee Related CN206192654U (en) | 2016-11-26 | 2016-11-26 | Planet ball screw pair 's two -way change loading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206192654U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441882A (en) * | 2016-11-26 | 2017-02-22 | 陕西理工学院 | Bidirectional loading device of planetary roller screw pair and loading method |
| CN107192519A (en) * | 2017-06-22 | 2017-09-22 | 浙江胜华波电器股份有限公司 | It is two-way to demonstrate,prove specified device for measuring force certainly |
| CN107576496A (en) * | 2017-09-26 | 2018-01-12 | 无锡双益精密机械有限公司 | Efficiency detection device for ball screw assembly, |
| CN108827507A (en) * | 2018-07-10 | 2018-11-16 | 济宁市微科特机械制造有限责任公司 | A kind of torque detecting apparatus |
| CN109443751A (en) * | 2018-12-17 | 2019-03-08 | 沈阳理工大学 | A kind of multi-functional running in machine being applicable in Multiple Type ball screw assembly, |
| CN110108484A (en) * | 2019-05-23 | 2019-08-09 | 内蒙古科技大学 | A kind of device and its detection method detecting ball-screw rolling pair motion state |
| CN110132583A (en) * | 2019-05-23 | 2019-08-16 | 内蒙古科技大学 | A kind of linear rolling guide rolling pair motion state detection device and its detection method |
| CN110530637A (en) * | 2019-08-29 | 2019-12-03 | 北京吾天科技有限公司 | Planetary roller screw dynamic property general-utility test platform |
| CN112936146A (en) * | 2021-02-03 | 2021-06-11 | 内蒙古工业大学 | Integrated assembly fixture of reverse planetary roller screw pair |
| CN113340594A (en) * | 2021-06-23 | 2021-09-03 | 东北林业大学 | Fatigue life testing device and method for heavy-load planetary roller screw |
| CN114252264A (en) * | 2022-01-06 | 2022-03-29 | 北京航空航天大学 | Planetary row needle roller bearing test device and method |
| CN115632516A (en) * | 2022-12-01 | 2023-01-20 | 普达迪泰(成都)智造研究院有限公司 | High-precision servo linear driving device |
| CN108827507B (en) * | 2018-07-10 | 2024-05-31 | 济宁市微科特机械制造有限责任公司 | Torque detection device |
-
2016
- 2016-11-26 CN CN201621278020.6U patent/CN206192654U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441882A (en) * | 2016-11-26 | 2017-02-22 | 陕西理工学院 | Bidirectional loading device of planetary roller screw pair and loading method |
| CN107192519A (en) * | 2017-06-22 | 2017-09-22 | 浙江胜华波电器股份有限公司 | It is two-way to demonstrate,prove specified device for measuring force certainly |
| CN107576496B (en) * | 2017-09-26 | 2023-05-30 | 无锡双益精密机械有限公司 | Efficiency detection device for ball screw pair |
| CN107576496A (en) * | 2017-09-26 | 2018-01-12 | 无锡双益精密机械有限公司 | Efficiency detection device for ball screw assembly, |
| CN108827507A (en) * | 2018-07-10 | 2018-11-16 | 济宁市微科特机械制造有限责任公司 | A kind of torque detecting apparatus |
| CN108827507B (en) * | 2018-07-10 | 2024-05-31 | 济宁市微科特机械制造有限责任公司 | Torque detection device |
| CN109443751A (en) * | 2018-12-17 | 2019-03-08 | 沈阳理工大学 | A kind of multi-functional running in machine being applicable in Multiple Type ball screw assembly, |
| CN109443751B (en) * | 2018-12-17 | 2024-02-23 | 沈阳理工大学 | Be suitable for multi-functional running-in device of multiple model ball screw pair |
| CN110108484A (en) * | 2019-05-23 | 2019-08-09 | 内蒙古科技大学 | A kind of device and its detection method detecting ball-screw rolling pair motion state |
| CN110132583A (en) * | 2019-05-23 | 2019-08-16 | 内蒙古科技大学 | A kind of linear rolling guide rolling pair motion state detection device and its detection method |
| CN110108484B (en) * | 2019-05-23 | 2021-01-29 | 内蒙古科技大学 | Device and method for detecting motion state of ball screw rolling pair |
| CN110530637B (en) * | 2019-08-29 | 2021-06-15 | 北京吾天科技有限公司 | Universal test platform for dynamic performance of planetary roller screw |
| CN110530637A (en) * | 2019-08-29 | 2019-12-03 | 北京吾天科技有限公司 | Planetary roller screw dynamic property general-utility test platform |
| CN112936146B (en) * | 2021-02-03 | 2022-07-05 | 内蒙古工业大学 | Integrated assembly fixture of reverse planetary roller screw pair |
| CN112936146A (en) * | 2021-02-03 | 2021-06-11 | 内蒙古工业大学 | Integrated assembly fixture of reverse planetary roller screw pair |
| CN113340594B (en) * | 2021-06-23 | 2022-08-19 | 东北林业大学 | Fatigue life testing device and method for heavy-load planetary roller screw |
| CN113340594A (en) * | 2021-06-23 | 2021-09-03 | 东北林业大学 | Fatigue life testing device and method for heavy-load planetary roller screw |
| CN114252264A (en) * | 2022-01-06 | 2022-03-29 | 北京航空航天大学 | Planetary row needle roller bearing test device and method |
| CN114252264B (en) * | 2022-01-06 | 2022-08-12 | 北京航空航天大学 | Planetary row needle roller bearing test device and method |
| CN115632516A (en) * | 2022-12-01 | 2023-01-20 | 普达迪泰(成都)智造研究院有限公司 | High-precision servo linear driving device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20171126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |