CN106769001A - The unidirectional loading running in machine of planetary roller screw pair - Google Patents
The unidirectional loading running in machine of planetary roller screw pair Download PDFInfo
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- CN106769001A CN106769001A CN201611057562.5A CN201611057562A CN106769001A CN 106769001 A CN106769001 A CN 106769001A CN 201611057562 A CN201611057562 A CN 201611057562A CN 106769001 A CN106769001 A CN 106769001A
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- screw pair
- planetary roller
- roller screw
- servomotor
- machine
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of unidirectional loading running in machine of planetary roller screw pair, including servomotor, torque sensor, leading screw, nut, sleeve and the counterweight for sequentially coaxially connecting；Planetary roller screw pair is driven using servomotor, the output torque and rotating speed of servomotor are measured using torque sensor, the abrasion condition of planetary roller screw pair after multiple running-in is detected using linear displacement transducer, leading screw is carried out axially loaded using counterweight to nut, and the various combination mode of counterweight can change the size of loading force.The present apparatus has simple structure, loading procedure is easy to operate, the size of loading force is directly perceived, it is adjustable the advantages of, it is a kind of preferable solution of planetary roller screw pair performance detection, with measurement efficiency higher and the degree of accuracy, for the overall performance optimization of roller screw pair provides experimental data, or product quality and Competitiveness provide strong evidence.
Description
Technical field
The invention belongs to the test technique automatic field of engineering goods, it is related to a kind of the unidirectional of planetary roller screw pair to add
Running in machine is carried, the practical work process for simulating planetary roller screw pair realizes the rotation speed change of planetary roller screw pair
And load control.
Background technology
Planetary roller screw pair is a kind of transmission mechanism by the mutually conversion of rotary motion and linear motion, with carrying
Greatly, moment of friction is small, high transmission accuracy and the features such as good environmental adaptability, is used widely in engineering field.Planet
The appearance of roller screw pair will progressively replace other types lead screw transmission, more perfectly solve and rolling is used in modern mechanical
The problems that ballscrew is faced when as transmission mechanism, also due to its helical pitch is small, efficiency high, long lifespan, carry energy
Power it is big wait very-high performance the characteristics of, as the military fields such as Aeronautics and Astronautics, weaponry and Digit Control Machine Tool, medical industry, food
The primary drive element of the civil area plant equipment linear servo systems such as packaging.
In real work, planetary roller screw pair is rotated by the servomotor for rotating, and roller revolves round the sun around leading screw
Rotation simultaneously, nut is with roller is without displacement to axial and outwards exports straight-line displacement.Therefore, leading screw is in rotation process, spiral shell
Parent phase generates axial displacement for leading screw, and bears certain load.
In order to verify the performance parameter and service life of planetary roller screw pair, it is ensured that the normal work of planetary roller screw pair
Make, it is necessary to which running-in and load test are carried out to it.Can be compared by experiment and be fully completed properties experiment, and can improved
Test efficiency.The properties data obtained in by being tested in planetary roller screw pair loading performance, can further to planet
The property indices of roller screw pair are analyzed, and then ensure the reliability of equipment；Meanwhile, enter by the result for detecting
Row analysis and research, propose Quality Feedback opinion, basis are provided to set up reliable and stable process system, so that improve product quality
And productivity ratio.
Therefore, a kind of device of comprehensive performance test is designed, simulation planetary roller screw pair is in actual use
Can annexation and bearing mode, realize the rotation speed change and load control of planetary roller screw pair, design is reached to detect
It is required that, it is a detection job indispensable before planetary roller screw pair is dispatched from the factory.
The content of the invention
The present invention provides a kind of unidirectional loading running in machine of planetary roller screw pair, for simulating planetary roller screw pair
Practical work process, realize the rotation speed change and load control of planetary roller screw pair, detect the biography of planetary roller screw pair
Pass efficiency and kinematic accuracy.
The technical proposal for solving the technical problem of the invention is：
The unidirectional loading running in machine of planetary roller screw pair, including servomotor, left coupling, the moment of torsion for sequentially coaxially connecting
Sensor, right screw mandrel, bearing, leading screw, sleeve, hanging bolt；Two end-stopping plates of sleeve are respectively by two parallel to workbench
Individual cylindrical linear rail support, is provided with linear displacement transducer between cylindrical linear rail and workbench；One end system of rope
On hanging bolt, the other end bypasses fixed pulley and hangs counterweight；Servomotor is connected by left coupling with torque sensor；
Torque sensor is connected by right screw mandrel with leading screw；Servomotor is fixedly connected on the table by support frame；Planet is rolled
Post lead screw pair is made up of leading screw and nut, and one end of leading screw is fixed on the table by bearing, and the outstanding branch of the other end, nut passes through
Key and sleeve connection；Linear displacement transducer uses grating scale, grating scale to be made up of motion block and quiet guide rail two parts, motion block with set
Cylinder is fixed together, and quiet guide rail is fixedly connected on the table；Counterweight is fabricated structure, different by multiple thickness, outward
The close mass composition of shape.
Beneficial effects of the present invention：
The driving of planetary roller screw pair is realized by the direct-connected mode of servomotor, using counterweight prescription formula realize loading can
Depending on change and prompt operation, the running-in abrasion condition of planetary roller screw pair is detected using linear displacement transducer.The present apparatus has
Simple structure, loading procedure is easy to operate, the size of loading force is directly perceived, it is adjustable the advantages of, be the inspection of planetary roller screw pair performance
A kind of preferable solution surveyed, is the overall performance optimization of roller screw pair with measurement efficiency higher and the degree of accuracy
Experimental data is provided, or product quality and market competitiveness lifting provide strong evidence.
Brief description of the drawings
Fig. 1 is the structural representation of the unidirectional loading running in machine of planetary roller screw pair.
1- servomotors in figure, 2- left couplings, 3- torque sensors, 4- bearings, 5- leading screws, 6- nuts, 7- casings, 8-
Right screw mandrel, 9- hanging bolts, 10- pulleys, 11- ropes, 12- counterweight groups, 13- linear displacement transducers, 14- cylinder straight lines are led
Rail, 15- support frames.
Specific embodiment
Describe in detail below in conjunction with the accompanying drawings and to specific implementation method.
Such as Fig. 1, a kind of unidirectional loading running in machine of planetary roller screw pair, including the servomotor for sequentially coaxially connecting
1st, left coupling 2, torque sensor 3, right screw mandrel 8, bearing 4, leading screw 5, nut 6, sleeve 7, hanging bolt 9；The two of sleeve 7
End-stopping plate is supported by two cylindrical linear rails 14 parallel to workbench respectively；Pacify between cylindrical linear rail 14 and workbench
Equipped with linear displacement transducer 13；One end of rope 11 is tied up on hanging bolt 9, and the other end bypasses pulley 10 and hangs counterweight group
12；Servomotor 1 is connected by left coupling 2 with torque sensor 3；Torque sensor 3 passes through right screw mandrel 8 and the phase of leading screw 5
Even；Servomotor 1 is fixedly connected on the table by support frame 15；Pulley 10 is fixedly connected on workbench end；Support frame
15 grades are fixed in the T-slot of workbench by T-bolt.
The two axial ends of torque sensor 3 pass through left coupling 2 and the shaft end of servomotor 1 and the shaft end phase of leading screw 5 respectively
Connection, the moment of torsion and tachometer value of the detection output of servomotor 1.
Linear displacement transducer 13 uses grating scale；Grating scale is made up of motion block and quiet guide rail two parts, motion block and sleeve 7
It is fixed together, quiet guide rail is fixedly connected on the table；Grating scale can detect the stationarity of motion and the jump of acceleration
Rise and pulse, realize the measurement and the detection of running-in abrasion condition to positioning precision under planetary roller screw pair working condition.
Two end-stopping plates of sleeve 7 are supported by two cylindrical linear rails 14 parallel to workbench respectively；Not only play fixation
The effect of connection, also avoids leading screw 5 that fine rotation or mobile phenomenon occur, it is ensured that planetary roller screw pair running-in and loading examination
The accuracy and operability of experiment device.
Cylindrical linear rail 14 is fixed on the table by the baffle plate at the two ends of sleeve 7；Not only support is played to sleeve 7 to make
With also guide sleeve 7 drives nut 6 reciprocating, and movement locus is even deviated from so as to prevent sleeve 7 to be shifted over, and detects
The transmission efficiency and kinematic accuracy of planetary roller screw pair, with excellent reliability.
Counterweight group 12 is fabricated structure, different by multiple thickness, the close mass composition of profile；By counterweight group 12
The increase and decrease of quantity detects the size of the loading force that planetary roller screw pair can bear, and realizes visualization and the behaviour of loading size
Make high-speeding.
A kind of operation principle of the unidirectional loading running in machine of planetary roller screw pair：
Planetary roller screw pair is a kind of transmission device for converting rotational motion into linear motion, and planetary roller screw pair is entered
Row loading running-in is the premise detected to its performance.Leading screw 5 in planetary roller screw pair carries out axial restraint, nut 6
Along the axial slip of leading screw 5；Planetary roller screw pair is driven using servomotor 1, using torque sensor 3 to servo
The output torque and rotating speed of motor 1 are measured, and planetary roller silk after multiple running-in is detected using linear displacement transducer 13
The secondary abrasion condition of thick stick, leading screw 5 is carried out axially loaded using counterweight group 12 to nut 6, and the various combination mode of counterweight can change
Become the size of loading force.
A kind of course of work of the unidirectional loading running in machine of planetary roller screw pair：
In positive load test, the forward drive leading screw 5 of servomotor 1 is rotated；Leading screw 5 drives nut 6 to rotate, and nut 6 is along silk
Thick stick 5 axially slides to the right；The sleeve 7 being fixedly connected with nut 6 slides to the right along cylindrical linear rail 14；In Action of Gravity Field
Under, counterweight group 12 falls；The quality of counterweight is all applied in planetary roller screw pair by rope 11 and sleeve 7.
When Opposite side loading is tested, the reverse drive leading screw 5 of servomotor 1 is rotated；Leading screw 5 drives nut 6 to rotate, nut 6
Axially slid to the left along leading screw 5；The sleeve 7 being fixedly connected with nut 6 slides to the left along cylindrical linear rail 14；Make in pulling force
Under, counterweight group 12 rises.
Change the rotating speed of servomotor 1, thus it is possible to vary the relative motion speed of leading screw 5 and nut 6 in planetary roller screw pair
Degree；Servomotor 1 continuously runs, and by the change for turning to, realizes the continuous loading running-in of planetary roller screw pair；The weight of change
The quality and quantity of code character 12, thus it is possible to vary the size of loading force in planetary roller screw pair.So as to realize planetary roller screw pair
Continuous running-in under different loading forces and different speed of related movements.
Claims (4)
1. a kind of unidirectional loading running in machine of planetary roller screw pair, its feature includes the servomotor for sequentially coaxially connecting
（1）, left coupling（2）, torque sensor（3）, right screw mandrel（8）, bearing（4）, leading screw（5）, nut（6）, sleeve（7）, rise
Hanger bolt（9）；Sleeve（7）Two end-stopping plates respectively by two cylindrical linear rails parallel to workbench（14）Support, cylinder
Line slideway（14）Linear displacement transducer is installed between workbench（13）；Rope（11）One end tie up to hanging bolt
（9）On, the other end bypasses pulley（10）And hang counterweight group（12）；Servomotor（1）By left coupling（2）And torque sensing
Device（3）It is connected；Torque sensor（3）By right screw mandrel（8）And leading screw（5）It is connected；Servomotor（1）By support frame（15）
It is fixedly connected on the table.
2. the unidirectional loading running in machine of a kind of planetary roller screw pair according to claim 1, it is characterised in that OK
Star roller screw pair is by leading screw（5）And nut（6）Composition；Leading screw（5）One end pass through bearing（4）Fix on the table, separately
The outstanding branch in one end；Nut（6）By key and sleeve（7）Connection.
3. the unidirectional loading running in machine of a kind of planetary roller screw pair according to claim 1, it is characterised in that described
Linear displacement transducer（13）Using grating scale；Grating scale is made up of motion block and quiet guide rail two parts, motion block and sleeve（7）It is fixed
Link together, quiet guide rail is fixedly connected on the table.
4. a kind of unidirectional loading running in machine of the planetary roller screw pair according to claim 1, it is characterised in that institute
State counterweight group（12）It is fabricated structure, profile close mass composition different by multiple thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057562.5A CN106769001A (en) | 2016-11-26 | 2016-11-26 | The unidirectional loading running in machine of planetary roller screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057562.5A CN106769001A (en) | 2016-11-26 | 2016-11-26 | The unidirectional loading running in machine of planetary roller screw pair |
Publications (1)
| Publication Number | Publication Date |
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| CN106769001A true CN106769001A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057562.5A Pending CN106769001A (en) | 2016-11-26 | 2016-11-26 | The unidirectional loading running in machine of planetary roller screw pair |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747597A (en) * | 2017-08-25 | 2018-03-02 | 北京精密机电控制设备研究所 | The special switching of 10 tonnes of planetary roller screw load tests of one kind and fixing device |
| CN108918101A (en) * | 2018-03-30 | 2018-11-30 | 北京航空航天大学 | A kind of small ep roller screw pair precision and efficiency detection device |
| CN109406137A (en) * | 2018-11-26 | 2019-03-01 | 华南理工大学 | A kind of New type rotary wheel helical wheel transmission test bench |
| CN109596350A (en) * | 2018-12-24 | 2019-04-09 | 哈工大机器人（山东）智能装备研究院 | A kind of on-line monitoring method and test platform of screw pair Life cycle |
| CN110243513A (en) * | 2019-06-28 | 2019-09-17 | 无锡双益精密机械有限公司 | Ball screw assembly, efficiency detection device |
| CN115508086A (en) * | 2022-09-20 | 2022-12-23 | 西安华欧精密机械有限责任公司 | Ball screw pair axial clearance detection test bed |
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| CN105890895A (en) * | 2016-04-12 | 2016-08-24 | 西北工业大学 | Comprehensive performance test bench for planetary roller screw |
| CN206192653U (en) * | 2016-11-26 | 2017-05-24 | 陕西理工学院 | Planet ball screw pair 's one -way running -in device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747597A (en) * | 2017-08-25 | 2018-03-02 | 北京精密机电控制设备研究所 | The special switching of 10 tonnes of planetary roller screw load tests of one kind and fixing device |
| CN107747597B (en) * | 2017-08-25 | 2019-08-09 | 北京精密机电控制设备研究所 | A kind of dedicated switching of 10 tonnes of planetary roller screw load tests and fixed device |
| CN108918101A (en) * | 2018-03-30 | 2018-11-30 | 北京航空航天大学 | A kind of small ep roller screw pair precision and efficiency detection device |
| CN108918101B (en) * | 2018-03-30 | 2020-04-07 | 北京航空航天大学 | Precision and efficiency detection device for small planetary roller screw pair |
| CN109406137A (en) * | 2018-11-26 | 2019-03-01 | 华南理工大学 | A kind of New type rotary wheel helical wheel transmission test bench |
| CN109406137B (en) * | 2018-11-26 | 2024-05-31 | 华南理工大学 | Rotary wheel spiral wheel transmission test bed |
| CN109596350A (en) * | 2018-12-24 | 2019-04-09 | 哈工大机器人（山东）智能装备研究院 | A kind of on-line monitoring method and test platform of screw pair Life cycle |
| CN109596350B (en) * | 2018-12-24 | 2020-09-01 | 哈工大机器人（山东）智能装备研究院 | Online monitoring method and testing platform for full life cycle of screw pair |
| CN110243513A (en) * | 2019-06-28 | 2019-09-17 | 无锡双益精密机械有限公司 | Ball screw assembly, efficiency detection device |
| CN110243513B (en) * | 2019-06-28 | 2024-02-06 | 无锡双益精密机械有限公司 | Ball screw pair efficiency detection device |
| CN115508086A (en) * | 2022-09-20 | 2022-12-23 | 西安华欧精密机械有限责任公司 | Ball screw pair axial clearance detection test bed |
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Address after: 723000 dongyihuan Road, Hantai District, Hanzhong City, Shaanxi Province Applicant after: SHAANXI University OF TECHNOLOGY Address before: 723000 dongyihuan Road, Hantai District, Hanzhong City, Shaanxi Province Applicant before: SHAANXI University OF TECHNOLOGY |
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Application publication date: 20170531 |