CN106092563A - Plane two degrees of freedom high frequency charger and test platform for ball screw assembly, - Google Patents
Plane two degrees of freedom high frequency charger and test platform for ball screw assembly, Download PDFInfo
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- CN106092563A CN106092563A CN201610374383.8A CN201610374383A CN106092563A CN 106092563 A CN106092563 A CN 106092563A CN 201610374383 A CN201610374383 A CN 201610374383A CN 106092563 A CN106092563 A CN 106092563A
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- ball screw
- screw assembly
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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
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
Abstract
The present invention relates to the plane two degrees of freedom high frequency charger for ball screw assembly, and test platform, wherein, the plane two degrees of freedom high frequency charger for ball screw assembly, includes flexible hinge parallel institution matrix, and first drives side chain and second to drive side chain；Wherein, flexible hinge parallel institution matrix center arranges rigidity moving platform, cross and be respectively provided with the first flexible side chain and the second flexible side chain, the first flexible side chain and second flexible side chain all symmetries in two vertical direction at rigidity moving platform center and be fixedly connected on rigidity moving platform；On flexible hinge parallel institution matrix, extended line along the flexible side chain of the first flexible side chain and second offers the first mounting groove and second mounting groove of through side end face respectively；First drives side chain to include the first driver union joint, the first piezoelectric ceramics brake and the first pull pressure sensor being installed in the first mounting groove；Second drives side chain to include the second driver union joint, the second piezoelectric ceramics brake and the second pull pressure sensor being installed in the second mounting groove.
Description
Technical field
The present invention relates to a kind of charger for ball screw assembly, and test platform, particularly relate to a kind of for ball
The plane two degrees of freedom high frequency charger of lead screw pair and test platform.
Background technology
Ball screw assembly, linear feeding system is widely applied in plant equipment industry, as Digit Control Machine Tool power train
Of paramount importance functional part in system, machining accuracy and the dynamic property of Digit Control Machine Tool are had decisive by the performance of ball-screw
Impact.Ball screw assembly, linear feeding system, in the performance test stage, needs under simulated condition load ball screw assembly,
Carry out performance test, to check whether ball screw assembly, can reach actually used performance standard.And numerical control machine tool cutting,
In the courses of processing such as milling, the workpiece to be machined load subjected to being installed on ball-screw auxiliary working platform has altofrequency, many
The features such as orientation, version are complicated, it is therefore desirable to the loading force that loading device for testing provides have altofrequency, in high precision, can
The features such as multiple directions loading and fast response time.
Existing ball screw assembly, charger, can be divided into low frequency charger and high frequency to add according to loading frequency and carry
Put, unidirectional charger and Combined Loading device can be divided into according to loading degree of freedom.The most common can adjusting adds carrier frequency
The loading method of rate mainly has counterweight, hydraulic pressure, pneumatically or electrically machine compression spring etc.；Wherein, can only realize by the way of counterweight
Permanent load loads；Needed for hydraulic loaded, the load time is longer, bad dynamic performance, it is impossible to realizes high frequency and loads, and hydraulic pressure adds
Carrying the structure put complex, easy leakage of oil, device reliability is low；Utilizing pneumatic principle to carry out loading, to there is load maintainer firm
Spend the lowest, it is impossible to realizing altofrequency and load, loading accuracy hardly results in guarantee simultaneously；Utilizing motor compression spring to carry out loading can
To reach the highest loading accuracy, but owing to spring rate is relatively low, it is very difficult to realize high frequency and load.The most conventional can be real
The load maintainer that existing multiple degrees of freedom loads can only realize the static loading in all directions, and only utilizes hydraulic pressure, the mode such as pneumatic
The loading of the relatively low alternate load of frequency can be realized, and cause dynamic characteristic poor owing to load maintainer rigidity is relatively low, multiple
Close difference loading direction when loading and all there is longer response time, it is difficult to the loading force on different directions is carried out accurately simultaneously
Cooperation control, cause being difficult to produce accurate making a concerted effort in the case of high frequency loads.
In sum, existing ball screw assembly, charger, all it is unsatisfactory for ball screw assembly, carrying out plane two freely
Degree altofrequency, load accurately, and have fast-response can requirement, cause cannot accurately simulating numerical control machine
Bed high-frequency alternating suffered by ball screw assembly, table plane in the courses of processing such as cutting, milling or other complex working conditions
And the loading that Changing Pattern is complicated.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of plane two degrees of freedom high frequency for ball screw assembly, and add
Carry and put and test platform, it is possible to realize accurately controlling to the loading force of two loading directions, have simultaneously and respond speed faster
Degree, it is achieved two degrees of freedom high frequency loads, it is possible to simulate Digit Control Machine Tool ball-screw auxiliary working platform in working angles well
The two degrees of freedom high-frequency alternating being subject to loads, it is also possible to simulate the complicated alternation that ball-screw auxiliary working platform under other operating modes is subject to
Carrying.
For achieving the above object, the present invention takes techniques below scheme: a kind of plane two for ball screw assembly, is freely
Degree high frequency charger, it is characterised in that this device includes that flexible hinge parallel institution matrix, the first driving side chain and second drive
Dynamic side chain；Wherein, the center of flexible hinge parallel institution matrix arranges a rigidity moving platform, and rigidity moving platform is used for connecting flat
Face two degrees of freedom high frequency charger and workbench to be tested；In difference in two vertical direction at rigidity moving platform center
First flexible side chain and the second flexible side chain, the first flexible side chain and the second flexible side chain are set and are all symmetrical in rigidity moving platform also
Fix with rigidity moving platform and be connected；Prolonging along the first flexible side chain and the second flexible side chain on flexible hinge parallel institution matrix
The first mounting groove and second mounting groove of its respective side end face through offered respectively by long line；First drives side chain to include being installed on the
The first driver union joint, the first piezoelectric ceramics brake and the first pull pressure sensor in one mounting groove, and the first piezoelectricity
One end of ceramic brake device is connected by the first driver union joint and the first flexible hinge, and the other end and the first pressure pass
Sensor is connected；Second drives side chain to include the second driver union joint, the second piezoelectric ceramics being installed in the second mounting groove
Brake and the second pull pressure sensor, and one end of the second piezoelectric ceramics brake is by the second driver union joint and second
Flexible hinge is connected, and the other end and the second pull pressure sensor are connected.
First drives side chain also to include, and the first driver fixed disk, first sensor fixed disk and first compress end cap, the
One piezoelectric ceramics brake is installed on the first driver fixed disk, and the first pull pressure sensor two ends are respectively fixedly connected with in
On one sensor fixed disk and the first driver fixed disk, first sensor fixed disk is fixed on the first compression end cap, and first
Compression end cap is fixing with the cooperation face of the adjacent side of flexible hinge parallel institution matrix to be connected.
First compresses end cap is connected by bolt is fixing with the cooperation face of the adjacent side of flexible hinge parallel institution matrix, and
First compresses end cap exists certain space with coordinating between face.
Second drives side chain also to include, and the second driver fixed disk, the second sensor fixed disk and second compress end cap, the
Two piezoelectric ceramics brakes are installed on the second driver fixed disk, and the second pull pressure sensor two ends are respectively fixedly connected with in
On two sensor fixed disks and the second driver fixed disk, the second sensor fixed disk is fixed on the second compression end cap, and second
Compression end cap is fixing with the cooperation face of the adjacent side of flexible hinge parallel institution matrix to be connected.
Second compresses end cap is connected by bolt is fixing with the cooperation face of the adjacent side of flexible hinge parallel institution matrix, and
Second compresses end cap exists certain space with coordinating between face.
A kind of plane two degrees of freedom high frequency for ball screw assembly, loads test platform, it is characterised in that this platform bag
Include base plate, line slideway, platform ball screw assembly, and the plane two degrees of freedom for ball screw assembly, described in any one high
Frequently charger；Wherein, the plane symmetry axle of base plate is the mounting axis installing ball screw assembly, linear feeding system to be tested；
It is arranged on the both sides of base plate plane axis of symmetry two line slideway Parallel Symmetrics, and fixing with base plate is connected, each line slideway
On all slide and be provided with left slider, middle slide block and right slide block, left slider and a slide block connect the fixing connection of seat, middle slide block and right cunning
Block is for being connected with workbench to be tested；Platform ball screw assembly, includes platform servomotor, platform ball-screw peace
Platform feed screw nut, is arranged on the both sides of base plate plane axis of symmetry two platform ball-screw also Parallel Symmetrics, and lays respectively at two
The outside of line slideway；Platform feed screw nut is socketed on platform ball-screw, platform feed screw nut is fixedly installed one flat
Platform feed screw nut seat, platform feed screw nut seat is connected the fixing connection of seat by a plate with slide block；For ball screw assembly,
Plane two degrees of freedom high frequency charger is connected with the slide block on two line slideways by flexible hinge parallel institution matrix simultaneously
Seat is fixing to be connected, and two slide blocks connect seat being transversely mutually aligned at line slideway.
Platform servomotor is fixedly installed on base plate by platform motor supporting base, and platform ball-screw is by platform electricity
Machine supports seat and platform ball-screw supports that end is rotatably supported on base plate, and by platform shaft coupling and platform servomotor
Rotating shaft is connected.
Due to the fact that and take above technical scheme, it has the advantage that 1, the present invention for ball screw assembly,
Plane two degrees of freedom high frequency charger, produces loading force by Piezoelectric Ceramic plane two degrees of freedom flexible parallel mechanism,
The highest loading frequency can reach few kilohertz, it is possible to the high frequency that simulation ball screw assembly, is suffered under complex working condition well is handed over
The loading that the Changing Patterns such as change are complicated.2, the plane two degrees of freedom high frequency for ball screw assembly, of the present invention adds and carries
Put, measured the size of piezoelectric ceramics brake loading force by pull pressure sensor in real time, and by flexible hinge parallel institution
Feedback realizes the size of closed loop control loading force, it is ensured that loading accuracy, it is achieved the high frequency in plane two degrees of freedom accurately loads.
3, the plane two degrees of freedom high frequency charger for ball screw assembly, of the present invention, by using flexible hinge parallel institution,
It is capable of the decoupling of two loading direction loading forces so that the control that two degrees of freedom loads is the simplest, it is possible to achieve independent
Control and the loading of plane two degrees of freedom form complexity.4, the plane two degrees of freedom high frequency for ball screw assembly, of the present invention adds
Carry and put, compact conformation, it is achieved that the overall integrated design of two loading direction loading structures, simple in construction, easy for installation
And be readily disassembled.5, the plane two degrees of freedom high frequency charger for ball screw assembly, of the present invention, by controlling two sides
Piezoelectric ceramics brake upwards, it is also possible to realizing the binary static loading of plane, the suitability is the widest.
Accompanying drawing explanation
Fig. 1 is the assembling structure of the present invention plane two degrees of freedom high frequency charger for ball screw assembly, and workbench
Schematic diagram；
Fig. 2 is that the present invention loads test platform and ball wire to be tested for the plane two degrees of freedom high frequency of ball screw assembly,
The assembling structural representation of thick stick pair linear feeding system；
Fig. 3 is that Fig. 2 removes and shows for the plane two degrees of freedom high frequency charger of ball screw assembly, and the structure of workbench
It is intended to.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of plane two degrees of freedom high frequency charger for ball screw assembly, that the present invention provides
100, it includes that flexible hinge parallel institution matrix 101, first drives side chain 102 and second to drive side chain 103.
Wherein, the center of flexible hinge parallel institution matrix 101 arranges a rigidity moving platform 111, plane two degrees of freedom
High frequency charger 100 is connected with the workbench 500 of ball screw assembly, linear feeding system to be tested by rigidity moving platform 111
Connect；The first flexible side chain 112 and the second flexibility it is being respectively provided with in two vertical direction at rigidity moving platform 111 center
Chain 113, the first flexible side chain 112 and the second flexible side chain 113 be all symmetrical in rigidity moving platform 111 and with rigidity moving platform 111
Fixing connection, the i.e. first flexible side chain 112 and the second flexible side chain 113 intersect at rigidity moving platform 111；In parallel at flexible hinge
On mechanism's matrix 101, the extended line along the first flexible side chain 112 and the second flexible side chain 113 offers its corresponding side through respectively
First mounting groove 114 and second mounting groove 115 in face, then the first mounting groove 114 and the second mounting groove 115 is orthogonal and extend
Line is all by the center of rigidity moving platform 111.
First the first driver union joint 121, first driving side chain 102 to include being installed in the first mounting groove 114 is pressed
Electroceramics brake the 122, first pull pressure sensor 124, and one end of the first piezoelectric ceramics brake 122 is by the first driving
Device union joint 121 is connected with the first flexible hinge 112, and the other end and the first pull pressure sensor 124 are connected.
Second the second driver union joint 131, second driving side chain 103 to include being installed in the second mounting groove 115 is pressed
Electroceramics brake the 132, second pull pressure sensor 134, and one end of the second piezoelectric ceramics brake 132 is by the second driving
Device union joint 131 is connected with the second flexible hinge 113, and the other end and the second pull pressure sensor 134 are connected.
In above-described embodiment, first drives side chain 102 also to include that the first driver fixed disk 123, first sensor are fixed
Dish 125 and first compresses end cap 126, and the first piezoelectric ceramics brake 122 is installed on the first driver fixed disk 123, and first
Pull pressure sensor 124 two ends are threadably secured respectively and are connected to first sensor fixed disk 125 and the first driver is fixed
On dish 123, first sensor fixed disk 125 is fixed on the first compression end cap 126, first compress end cap 126 by bolt with
The cooperation face of the adjacent side of flexible hinge parallel institution matrix 101 is fixing to be connected, and with flexible hinge parallel institution matrix 101
There is certain space between cooperation face, be used for applying and adjusting pretightning force.
In above-described embodiment, second drives side chain 103 also to include that second driver fixed disk the 133, second sensor is fixed
Dish 135 and second compresses end cap 136, and the second piezoelectric ceramics brake 132 is installed on the second driver fixed disk 133, and second
Pull pressure sensor 134 two ends are threadably secured respectively and are connected to the second sensor fixed disk 135 and the second driver is fixed
On dish 133, the second sensor fixed disk 135 is fixed on the second compression end cap 136, second compress end cap 136 by bolt with
The cooperation face of the adjacent side of flexible hinge parallel institution matrix 101 is fixing to be connected, and with flexible hinge parallel institution matrix 101
There is certain space between cooperation face, be used for applying and adjusting pretightning force.
The present invention is for the plane two degrees of freedom high frequency charger 100 of ball screw assembly, by piezoelectric ceramics brake
Flexible make flexible hinge deform, thus provide loading force for the workbench of ball screw assembly, the deformation of flexible hinge with
Linear corresponding relation is there is between stress size, therefore can be by controlling the collapsing length of piezoelectric ceramics brake to loading force
Being adjusted, control method is the easiest, and the highest loading frequency can reach 8KHZ, and the maximum load power of single-degree-of-freedom can
To reach 3KN, it is possible to the Changing Pattern complexity such as the high-frequency alternating that simulation ball screw assembly, is suffered under complex working condition well
Loading.
The present invention is measured first the most in real time driven by the first pull pressure sensor 124 and the second pull pressure sensor 134
Dynamic side chain 102 and the size of the second driving side chain 103 loading force, and by the first flexible side chain 112 and the second flexible side chain 113
Power and deformation between relation be converted into the first piezoelectric ceramics brake 122 and displacement of the second piezoelectric ceramics brake 132
Signal is input to piezoelectric ceramics controller and realizes closed loop control, it is ensured that loading accuracy, it is achieved the high frequency in plane two degrees of freedom
Accurately load.
The present invention is by using flexible hinge parallel institution, and the flexible side chain on each direction is symmetrical, and
And first drive side chain 102 to drive side chain 103 the most identical, thus in the surrounding of rigidity moving platform 111 with second
Forming symmetrical structure, this symmetrical structure ensure that the flexible coupling that will not produce another direction of piezoelectric ceramics on a direction
Resultant motion, also would not have the power of coupling such that it is able to realize the decoupling of loading force on two loading directions；An i.e. direction
Piezoelectric ceramics brake does not interferes with the change of other direction loading force when stretching so that the control that two degrees of freedom loads is the simplest
Single, it is possible to achieve independent control and the loading of plane two degrees of freedom form complexity.
The present invention is by controlling the piezoelectric ceramics brake in both direction, it is also possible to realize the binary static state of plane
Loading, the suitability is the widest.
The charger compact conformation of the present invention, it is achieved that the overall integrated design of two loading direction loading structures,
Simple in construction, easy for installation and be readily disassembled.
As shown in Figures 2 and 3, the invention allows for a kind of plane two degrees of freedom high frequency for ball screw assembly, to load
Test platform, it includes institute any one of base plate 200, line slideway 300, platform ball screw assembly, 400 and above-described embodiment
The plane two degrees of freedom high frequency charger 100 for ball screw assembly, stated.
Wherein, the plane symmetry axle of base plate 200 is the mounting axis installing ball screw assembly, linear feeding system to be tested,
And base plate 200 is provided with many group installing hole (not shown)s in mounting axis, ball screw assembly, 600 to be tested can be by peace
Dress hole is fixing with base plate 200 to be connected.
It is arranged on the both sides of ball screw assembly, 600 to be tested two line slideway 300 Parallel Symmetrics, and solid with base plate 200
Fixed connection, each line slideway 300 all slides and is provided with left slider 301, middle slide block 302 and right slide block 303, left slider 301
The fixing connection of seat 304 it is connected with a slide block.
Platform ball screw assembly, 400 includes platform servomotor 401, platform ball-screw 402 and platform feed screw nut
403, it is arranged on ball screw assembly, 600 both sides to be tested two platform ball-screw 402 also Parallel Symmetrics, and it is straight to lay respectively at two
The outside of line guide rail 300；Platform servomotor 401 is fixedly installed on base plate 200 by platform motor supporting base 404, platform
By platform motor supporting base 404 and platform ball-screw, ball-screw 402 supports that end 405 is rotatably supported on base plate 200, and
It is connected by the rotating shaft of platform shaft coupling 406 with platform servomotor 401；Platform feed screw nut 403 is socketed in platform ball
On leading screw 402, platform feed screw nut 403 being fixedly installed a platform feed screw nut seat 407, platform feed screw nut seat 407 leads to
Cross a plate 408 and be connected the fixing connection of seat 304 with slide block.
Plane two degrees of freedom high frequency charger 100 for ball screw assembly, passes through flexible hinge parallel institution matrix
101 are connected the fixing connection of seat 304 simultaneously with the slide block on two line slideways 300, and two slide blocks connect seat 304 at line slideway
300 be transversely mutually aligned.
Ball screw assembly, linear feeding system to be tested generally comprises ball screw assembly, 600 to be tested and workbench 500, its
In, ball screw assembly, 600 to be tested includes servomotor 601 to be tested, ball-screw to be tested 602 and feed screw nut to be tested
603, ball-screw 602 to be tested is connected by the rotating shaft of shaft coupling 604 to be tested with servomotor 601 to be tested, to be measured
Examination feed screw nut 603 is socketed on ball-screw 602 to be tested, and feed screw nut 603 to be tested is fixedly installed a silk to be tested
Thick stick nut seat 605, workbench 500 is fixing with feed screw nut seat 605 to be tested to be connected.
The plane two degrees of freedom high frequency for ball screw assembly, of the present invention loads test platform, specifically includes in use
Following steps:
1) it is connected seat 304 with two slide blocks for the plane two degrees of freedom high frequency charger 100 of ball screw assembly, to be in and tear open
Open state；Ball screw assembly, 600 to be tested is fixedly mounted in the mounting axis of base plate 200 by installing hole, wherein, to be measured
Examination servomotor 601 is connected by motor supporting base 606 to be tested is fixing with base plate 200, and ball-screw 602 to be tested is by treating
The test fixing end 607 of ball-screw and ball-screw to be tested support that end 608 is rotatably supported on base plate 200；Two straight lines are led
Middle slide block 302 and right slide block 303 on rail 300 are fixed with workbench 500 simultaneously and are connected.
2) pretension is regulated by tightening or unclamp the first compression end cap 126 and the second bolt compressing end cap 136 two ends
The size of power, the numerical value of the power measured by the first pull pressure sensor 124 and the second pull pressure sensor 134, as feedback, divides
Other the first driving side chain 102 and the second driving to the plane two degrees of freedom high frequency charger 100 for ball screw assembly,
Chain 103 applies pretightning force and accurately regulates pretightning force, to ensure that the first driving side chain 102 and second drives side chain 103
The precision of power output and reliability.
3) control two platform servomotors 401 respectively to rotate, make the left slider 301 on two line slideways 300 lead at straight line
Transversely being mutually aligned of rail 300, passes through flexible hinge by the plane two degrees of freedom high frequency charger 100 being used for ball screw assembly,
Chain parallel institution matrix 101 is connected the fixing connection of seat 304 with two slide blocks；Drive two platform servomotor 401 synchronous axial system, adjust
Distance between flexible hinge parallel institution matrix 101 and workbench 500, by the rigidity of flexible hinge parallel institution matrix 101
Moving platform 111 is fixing with workbench 500 to be connected.
4) two platform servomotors 401 and servomotor to be tested 601 synchronous axial system are controlled, due to platform ball-screw
The pitch of 402 is identical with the pitch of ball-screw 602 to be tested, it is ensured that workbench 500 and flexible hinge parallel institution base
Constant distance between body 101.While workbench 500 is synchronized with the movement with flexible hinge parallel institution matrix 101, by pressure
Electroceramics controller controls the first piezoelectric ceramics brake 122 and collapsing length of the second piezoelectric ceramics brake 132, causes phase
Two of flexible hinge parallel institution matrix 101 even are mutually perpendicular to the rectangular flexible of distribution and prop up deformation of chain, and eventually through just
Property moving platform 111 loading force is passed to workbench 500, it is achieved high to the plane two degrees of freedom of ball screw assembly, 600 to be tested
Frequently, accurately load.
In above-described embodiment, set between rigidity moving platform 111 and the workbench 500 of flexible hinge parallel institution matrix 101
Being equipped with packing ring, the rigidity moving platform 111 of flexible hinge parallel institution matrix 101 and workbench 500 are fixing even by fixing screw
Connect.
The various embodiments described above are merely to illustrate the present invention, the structure of the most each parts, arrange position and connected mode etc. thereof
All can be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement, the most should not arrange
In addition in protection scope of the present invention.
Claims (7)
1. the plane two degrees of freedom high frequency charger for ball screw assembly, it is characterised in that this device includes flexibility
Hinge parallel institution matrix, the first driving side chain and second drive side chain；
Wherein, the center of flexible hinge parallel institution matrix arranges a rigidity moving platform, and rigidity moving platform is used for connecting plane
Two degrees of freedom high frequency charger and workbench to be tested；Setting respectively in two vertical direction at rigidity moving platform center
Put the first flexible side chain and the second flexible side chain, the first flexible side chain and the second flexible side chain be all symmetrical in rigidity moving platform and with
Rigidity moving platform is fixing to be connected；Along the first flexible side chain and the prolongation of the second flexible side chain on flexible hinge parallel institution matrix
The first mounting groove and second mounting groove of its respective side end face through offered respectively by line；
First drive the first driver union joint that side chain includes being installed in the first mounting groove, the first piezoelectric ceramics brake and
First pull pressure sensor, and one end of the first piezoelectric ceramics brake is by the first driver union joint and the first flexible hinge
Being connected, the other end and the first pull pressure sensor are connected；
Second drive the second driver union joint that side chain includes being installed in the second mounting groove, the second piezoelectric ceramics brake and
Second pull pressure sensor, and one end of the second piezoelectric ceramics brake is by the second driver union joint and the second flexible hinge
Being connected, the other end and the second pull pressure sensor are connected.
2. the plane two degrees of freedom high frequency charger for ball screw assembly, as claimed in claim 1, it is characterised in that the
One drives side chain also to include, and the first driver fixed disk, first sensor fixed disk and first compress end cap, the first piezoelectric ceramics
Brake is installed on the first driver fixed disk, and the first pull pressure sensor two ends are respectively fixedly connected with in first sensor solid
On price fixing and the first driver fixed disk, first sensor fixed disk is fixed on the first compression end cap, first compress end cap with
The cooperation face of the adjacent side of flexible hinge parallel institution matrix is fixing to be connected.
3. the plane two degrees of freedom high frequency charger for ball screw assembly, as claimed in claim 2, it is characterised in that the
One compresses end cap is connected by bolt is fixing with the cooperation face of the adjacent side of flexible hinge parallel institution matrix, and first compresses end
Certain space is there is between face in lid with coordinating.
4. the plane two degrees of freedom high frequency charger for ball screw assembly, as described in claim 1 or 2 or 3, its feature
Being, second drives side chain also to include, and the second driver fixed disk, the second sensor fixed disk and second compress end cap, the second pressure
Electroceramics brake is installed on the second driver fixed disk, and the second pull pressure sensor two ends are respectively fixedly connected with and pass in second
On sensor fixed disk and the second driver fixed disk, the second sensor fixed disk is fixed on the second compression end cap, and second compresses
End cap is fixing with the cooperation face of the adjacent side of flexible hinge parallel institution matrix to be connected.
5. the plane two degrees of freedom high frequency charger for ball screw assembly, as claimed in claim 4, it is characterised in that the
Two compress end cap is connected by bolt is fixing with the cooperation face of the adjacent side of flexible hinge parallel institution matrix, and second compresses end
Certain space is there is between face in lid with coordinating.
6. the plane two degrees of freedom high frequency for ball screw assembly, loads test platform, it is characterised in that this platform includes
Base plate, line slideway, platform ball screw assembly, and as according to any one of claim 1 to 5 for ball screw assembly,
Plane two degrees of freedom high frequency charger；
Wherein, the plane symmetry axle of base plate is the mounting axis installing ball screw assembly, linear feeding system to be tested；
It is arranged on the both sides of base plate plane axis of symmetry two line slideway Parallel Symmetrics, and fixing with base plate is connected, each straight line
All sliding on guide rail and be provided with left slider, middle slide block and right slide block, left slider and a slide block connect that seat is fixing to be connected, middle slide block with
Right slide block is for being connected with workbench to be tested；
Platform ball screw assembly, includes platform servomotor, platform ball-screw and platform feed screw nut, two platform ball-screws
Also it is arranged on the both sides of base plate plane axis of symmetry Parallel Symmetric, and lays respectively at the outside of two line slideways；Platform leading screw spiral shell
Mother set is connected on platform ball-screw, and platform feed screw nut is fixedly installed a platform feed screw nut seat, platform feed screw nut
Seat is connected the fixing connection of seat by a plate with slide block；
Plane two degrees of freedom high frequency charger for ball screw assembly, passes through flexible hinge parallel institution matrix simultaneously with two
Slide block on line slideway connects the fixing connection of seat, and two slide blocks connect seat being transversely mutually aligned at line slideway.
7. the plane two degrees of freedom high frequency for ball screw assembly, as claimed in claim 6 loads test platform, and its feature exists
In, platform servomotor is fixedly installed on base plate by platform motor supporting base, and platform ball-screw is propped up by platform motor
Support seat and platform ball-screw support that end is rotatably supported on base plate, and by the rotating shaft of platform shaft coupling with platform servomotor
It is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610374383.8A CN106092563A (en) | 2016-05-31 | 2016-05-31 | Plane two degrees of freedom high frequency charger and test platform for ball screw assembly, |
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| CN201610374383.8A CN106092563A (en) | 2016-05-31 | 2016-05-31 | Plane two degrees of freedom high frequency charger and test platform for ball screw assembly, |
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| CN108645616A (en) * | 2018-06-26 | 2018-10-12 | 北京工业大学 | The random abrasion test method of ball screw assembly, based on preload with feeding rotating speed |
| CN108749958A (en) * | 2018-07-20 | 2018-11-06 | 汽-大众汽车有限公司 | A kind of flexible adjustable platform lengthened for white body |
| CN108871634A (en) * | 2018-03-24 | 2018-11-23 | 北京工业大学 | A kind of experimental rig of on-line testing Ball Screw Pair Friction Moment and axial load |
| CN109434869A (en) * | 2018-12-14 | 2019-03-08 | 上海交通大学 | A kind of active drive joint of cylindrical pair form |
| CN109465650A (en) * | 2018-11-30 | 2019-03-15 | 广东工业大学 | Air-cylinder type rigidity switching device and the Rigid-flexible Coupled Motion platform and method for using it |
| CN110726552A (en) * | 2019-11-19 | 2020-01-24 | 北京工业大学 | High-precision axial controllable loading test device for ball screw pair |
| CN111060311A (en) * | 2019-12-25 | 2020-04-24 | 慈兴集团有限公司 | Improvement type ball efficiency test frock |
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| CN108871634A (en) * | 2018-03-24 | 2018-11-23 | 北京工业大学 | A kind of experimental rig of on-line testing Ball Screw Pair Friction Moment and axial load |
| CN108871634B (en) * | 2018-03-24 | 2020-08-28 | 北京工业大学 | Testing device for testing friction moment and axial load of ball screw pair on line |
| CN108645616A (en) * | 2018-06-26 | 2018-10-12 | 北京工业大学 | The random abrasion test method of ball screw assembly, based on preload with feeding rotating speed |
| CN108749958A (en) * | 2018-07-20 | 2018-11-06 | 汽-大众汽车有限公司 | A kind of flexible adjustable platform lengthened for white body |
| CN108749958B (en) * | 2018-07-20 | 2024-02-20 | 一汽-大众汽车有限公司 | Flexible adjustable platform for lengthening white car body |
| CN109465650A (en) * | 2018-11-30 | 2019-03-15 | 广东工业大学 | Air-cylinder type rigidity switching device and the Rigid-flexible Coupled Motion platform and method for using it |
| CN109465650B (en) * | 2018-11-30 | 2023-07-25 | 广东工业大学 | Cylinder type rigidity switching device, rigid-flexible coupling motion platform using same and rigid-flexible coupling motion method |
| CN109434869A (en) * | 2018-12-14 | 2019-03-08 | 上海交通大学 | A kind of active drive joint of cylindrical pair form |
| CN109434869B (en) * | 2018-12-14 | 2021-08-17 | 上海交通大学 | Active driving joint in cylindrical pair form |
| CN110726552A (en) * | 2019-11-19 | 2020-01-24 | 北京工业大学 | High-precision axial controllable loading test device for ball screw pair |
| CN111060311A (en) * | 2019-12-25 | 2020-04-24 | 慈兴集团有限公司 | Improvement type ball efficiency test frock |
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Application publication date: 20161109 |