CN206192653U - Planet ball screw pair 's one -way running -in device - Google Patents
Planet ball screw pair 's one -way running -in device Download PDFInfo
- Publication number
- CN206192653U CN206192653U CN201621278001.3U CN201621278001U CN206192653U CN 206192653 U CN206192653 U CN 206192653U CN 201621278001 U CN201621278001 U CN 201621278001U CN 206192653 U CN206192653 U CN 206192653U
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- China
- Prior art keywords
- screw pair
- planetary roller
- ball screw
- nut
- sleeve
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Abstract
The utility model provides a planet ball screw pair 's one -way running -in device, includes servo motor, torque sensor, lead screw, nut, sleeve and the weight of coaxial coupling in proper order, adopting servo motor to drive planet ball screw pair , utilizing torque sensor to measure servo motor's output torque and rotational speed, utilize linear displacement sensor to detect planet ball screw pair 's the wearing and tearing condition later of running -in many times, the lead screw utilizes the weight to carry out axial loading to the nut, and the various combination mode of weight can change the size of loading power. This device has simple structure, and loading process operation is simple and convenient, and the advantage such as big or small directly perceived, adjustable of loading power is the better solution that planet ball screw pair performance detected, has the higher measurement of efficiency and the degree of accuracy, for ball screw pair 's comprehensive properties optimization provides the experimental data, also can provide the strong evidence for product quality and competitiveness rise.
Description
Technical field
The utility model belongs to the test technique automatic field of engineering goods, is related to a kind of list of planetary roller screw pair
To running in machine, 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 utility model provides a kind of unidirectional 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 utility model solves the technical scheme that is used of technical problem：
The unidirectional 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.
The beneficial effects of the utility model：
The driving of planetary roller screw pair is realized by the direct-connected mode of servomotor, realizes loading using counterweight prescription formula
Visualization and prompt operation, using linear displacement transducer detect planetary roller screw pair running-in abrasion condition.The present apparatus
With simple structure, loading procedure is easy to operate, the size of loading force is directly perceived, it is adjustable the advantages of, be planetary roller screw pair
A kind of preferable solution that can be detected, is the combination property of roller screw pair with measurement efficiency higher and the degree of accuracy
Optimization provides experimental data, or product quality and market competitiveness lifting provide strong evidence.
Brief description of the drawings
Fig. 1 is the structural representation of the unidirectional 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 running in machine of planetary roller screw pair, including servomotor 1, the left side for sequentially coaxially connecting
Shaft coupling 2, torque sensor 3, right screw mandrel 8, bearing 4, leading screw 5, nut 6, sleeve 7, hanging bolt 9；Two terminal blocks of sleeve 7
Plate is supported by two cylindrical linear rails 14 parallel to workbench respectively；It is provided between cylindrical linear rail 14 and workbench
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 is connected by right screw mandrel 8 with leading screw 5；
Servomotor 1 is fixedly connected on the table by support frame 15；Pulley 10 is fixedly connected on workbench end；Support frame 15 etc.
It is 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 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, to planetary roller screw
It is the premise detected to its performance that pair carries out loading running-in.Leading screw 5 in planetary roller screw pair carries out axial restraint, spiral shell
Female 6 along the axial slip of leading screw 5；Planetary roller screw pair is driven using servomotor 1, using torque sensor 3 pairs
The output torque and rotating speed of servomotor 1 are measured, and planet is rolled after detecting multiple running-in using linear displacement transducer 13
The abrasion condition of post lead screw pair, leading screw 5 is carried out axially loaded using counterweight group 12 to nut 6, and the various combination mode of counterweight can
To change the size of loading force.
A kind of course of work of the unidirectional 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, nut 6
Axially slid to the right along leading screw 5；The sleeve 7 being fixedly connected with nut 6 slides to the right along cylindrical linear rail 14；Make in gravity
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 running in machine of planetary roller screw pair, its feature includes the servomotor for sequentially coaxially connecting（1）, it is left
Shaft coupling（2）, torque sensor（3）, right screw mandrel（8）, bearing（4）, leading screw（5）, nut（6）, sleeve（7）, hanging bolt
（9）；Sleeve（7）Two end-stopping plates respectively by two cylindrical linear rails parallel to workbench（14）Support, cylinder straight line is led
Rail（14）Linear displacement transducer is installed between workbench（13）；Rope（11）One end tie up to hanging bolt（9）On, separately
One end bypasses fixed pulley（10）And hang counterweight group（12）；Servomotor（1）By left coupling（2）And torque sensor（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 fixed
Connection is on the table.
2. a kind of unidirectional running in machine of planetary roller screw pair according to claim 1, it is characterised in that planetary roller
Lead screw pair is by leading screw（5）And nut（6）Composition；Leading screw（5）One end pass through bearing（4）Fix on the table, the other end hangs
Branch；Nut（6）By key and sleeve（7）Connection.
3. a kind of unidirectional running in machine of planetary roller screw pair according to claim 1, it is characterised in that the straight line
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 fixedly connected
Together, quiet guide rail is fixedly connected on the table.
4. a kind of unidirectional running in machine of the planetary roller screw pair according to claim 1, it is characterised in that the weight
Code character（12）It is fabricated structure, profile close mass composition different by multiple thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278001.3U CN206192653U (en) | 2016-11-26 | 2016-11-26 | Planet ball screw pair 's one -way running -in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278001.3U CN206192653U (en) | 2016-11-26 | 2016-11-26 | Planet ball screw pair 's one -way running -in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192653U true CN206192653U (en) | 2017-05-24 |
Family
ID=58724079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621278001.3U Expired - Fee Related CN206192653U (en) | 2016-11-26 | 2016-11-26 | Planet ball screw pair 's one -way running -in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192653U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769001A (en) * | 2016-11-26 | 2017-05-31 | 陕西理工学院 | The unidirectional loading running in machine of planetary roller screw pair |
| 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, |
| 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 |
-
2016
- 2016-11-26 CN CN201621278001.3U patent/CN206192653U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769001A (en) * | 2016-11-26 | 2017-05-31 | 陕西理工学院 | The unidirectional loading running in machine of planetary roller screw pair |
| 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 |
| 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 |
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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 |