CN105004516B - Controllable feeding type medical bone screw reverses test device - Google Patents
Controllable feeding type medical bone screw reverses test device Download PDFInfo
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- CN105004516B CN105004516B CN201510398996.0A CN201510398996A CN105004516B CN 105004516 B CN105004516 B CN 105004516B CN 201510398996 A CN201510398996 A CN 201510398996A CN 105004516 B CN105004516 B CN 105004516B
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Abstract
The present invention relates to a kind of controllable feeding type medical bone screw to reverse test device, including board frame module, attachment screw, drive module, test specimen module, attachment screw, link block and feeding module.It is fixed with drive module, test specimen module and feeding module on board frame module, the scroll chuck in drive module clamps and is implanted thing（Such as human body bone model）And it is allowed to rotate by speed, feeding module is connected by link block with test specimen module, moved along a straight line under servomotor driving, the bone screw that scroll chuck is fixed in test specimen module is promoted to contact and screw in being implanted thing, until screw extraction or self tapping, sensor measure corresponding displacement, moment of torsion and torsion angle data simultaneously.The features such as twisting property that the test device of the present invention can be directed to medical bone screw be tested and evaluated, and support a variety of test requests, have that test result is accurate, manufacturing cost is low, and easily operated.
Description
Technical field
The present invention relates to one kind to analyze test platform, and particularly a kind of controllable feeding type medical bone screw reverses test dress
Put.
Background technology
The bone screw orthopaedics implantation instrument common as the modern times, has more been commonly used for clinical orthopaedicses treatment,
But orthopaedics implant insert it is issuable after body deform, be broken, releasing, infecting, allergy etc. causes showing for fixation failure
As being always the realistic problem for perplexing orthopaedics implant research, therefore torsion angle when bone screw twists off and moment of torsion also turn into
The key index of medical bone screw.So in the research and development and production of medical bone screw, before should being carried out to its torque characteristic
Road is tested and evaluation, reverses compressive property to it in mechanics aspect and analyzes, is advantageous to improve the quality control in manufacturing process
System processed.
At present, for medical bone screw twisting property test mainly by industrial torsion-testing apparatus, such dress
It is more single for common engineering screw, bolt, test form to put main test object, it is difficult to fully meet for solid in orthopaedics
The factors such as requirement of the fixed bone screw to fc-specific test FC condition, permanent centripetal force, speed；Further, since Medical bone spiral shell
Nail species is various, and existing torsion test device can not still meet the medical bone screw for having a variety of requirements for test condition
The evaluation requirement of twisting property.
The content of the invention
The defects of existing for prior art, it is an object of the invention to provide a kind of controllable feeding type medical bone screw
Test device is reversed, the device has following features：Realize that two kinds of loading modes of constant speed and constant force are surveyed by feeding module
Examination, the experiment demand of A1, A2, A4 in ASTM F543 standards can be met simultaneously.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of controllable feeding type medical bone screw reverses test device, including drive module, board frame module, test specimen
Module, link block, feeding module, the first screw, the second screw, the 3rd screw；Between the feeding module and link block
It is connected by screw thread, link block is connected with test specimen module by screw thread, and is acted in test specimen module, and drive module passes through
One screw, the second screw are connected with board frame module, and test specimen module is connected by the 3rd screw with board frame module, feeding
Module is connected by screw with board frame module.
The drive module includes the first servomotor, the 4th screw, the 5th screw, adjusting screw seat, the first three-jaw card
Disk, attachment screw, chuck terminal pad, reductor bearing, cycloid speed reducer, key, big synchronous pulley, timing belt, small synchronous pulley
With spindle motor pedestal；First servomotor is connected by screw with spindle motor pedestal, and spindle motor pedestal passes through
One screw is fixed on firm banking；The small synchronous pulley is fixed on the first servomotor spindle by holding screw, this
Small synchronous pulley transfers the motion to big synchronous pulley by timing belt, and big synchronous pulley is by key connection in cycloid reduction owner
On axle；The cycloid speed reducer is fixed on firm banking by reductor bearing, the end of thread connection of the chuck terminal pad
Cycloid speed reducer, the other end connect the first scroll chuck by attachment screw；The adjusting screw seat is adjusted by the 5th screw
Left and right centering.
The board frame module includes short bottom plate stiffener, elongated base plate stiffener, foot pad, the first nut, bolt, second
Nut, mounting base, auxiliary lower margin, auxiliary support plate, the 6th screw, firm banking and the first sunk screw；The short bottom plate
Stiffener and elongated base plate stiffener are all fixed on firm banking by the first sunk screw, foot pad, the first nut, bolt and
It is connected through a screw thread between two nuts and is combined into leveling foot pad, and elongated base plate stiffener is fixed on by bolt and the second nut
On；The auxiliary lower margin, which is connected through a screw thread, to be fixed on auxiliary support plate, and auxiliary support plate is connected by screw and mounting base
Connect, the mounting base is placed on firm banking by step surface, and is installed by the 6th screw.
The test specimen module includes anti-drop block, line slideway, the first sliding block, guide rail adjustment cushion block, the 7th screw, the first pin
Nail, tail-holder rack transverse slat, the 8th screw, tail-holder rack riser, torque sensor, built-up shaft bearing, the second scroll chuck, the second countersunk head
Screw, terminal pad, the 9th screw, the second pin, a pair of angular contact ball bearings, hole jump ring and the tenth screw；The tail-holder rack
Transverse slat is positioned by the first pin and adjusts cushion block with guide rail by the 7th screw and is connected, and guide rail adjustment cushion block passes through the second countersunk head
For mode connects for screw in the first sliding block, the first sliding block is inserted in line slideway, line slideway both ends installation anti-drop block；The tail-holder rack riser
It is fixed on by screw on tail-holder rack transverse slat, further through the 8th mode connects for screw torque sensor, torque sensor leads to terminal pad
The connection of the second pin is crossed, terminal pad one end passes through built-up shaft bearing, fixed equipped with a pair of angular contact ball bearings, and with hole with jump ring
In built-up shaft bearing, the terminal pad other end is connected by the 9th screw with the second scroll chuck；The built-up shaft bearing passes through
Tenth screw is fixed on tail-holder rack transverse slat.
The link block includes connecting seat, pull pressure sensor, to silk connecting cylinder, the 3rd nut and oscillating bearing；Institute
State pull pressure sensor one end by screw thread with connecting seat to be connected, the other end is connected also by screw thread with to silk connecting cylinder；It is described
3rd nut one end is connected through a screw thread to silk connecting cylinder, and the other end is also by being threadedly connected on oscillating bearing.
The feeding module includes bottom plate, the 11st screw, motor rack, the 12nd screw, screw fixed block, connection support
Axle, fixed plate, linear bearing seat, linear bearing, the 13rd screw, optical axis, clamp nut, leading screw, back shroud, the 14th spiral shell
Nail, guide rail, the second sliding block, the 15th screw, connects bearing and motor rack, leading screw bearing, the 16th screw, plough groove type shaft coupling
With the second servomotor；Second servomotor is connected with plough groove type shaft coupling, plough groove type shaft coupling other end connection leading screw,
When leading screw rotates, the screw being attached thereto drives connected fixed plate, for linear motion along guide rail by the second sliding block；In fixation
On plate, by the 12nd mode connects for screw screw fixed block, pass through screw thread with being connected support shaft equipped with connection support shaft, optical axis thereon
Connection, and coordinate with linear bearing, ensure through with the 13rd mode connects for screw in the linear bearing seat in fixed plate, linear bearing
Optical axis moves in y-axis direction all the time, and clamp nut causes optical axis to be fitted close with the oscillating bearing in link block；The electricity
Frame, bottom plate, leading screw bearing and back shroud are respectively by the 16th screw, the 15th screw and the 14th mode connects for screw, jointly
Form the supporting construction of feeding module.
The present invention compared with prior art, has following obvious prominent substantive distinguishing features and remarkable advantage：
The present apparatus support medical bone screw propulsive force it is controllable, real time data acquisition and support zero point starting side crops industry add
Carry；Medical bone screw screw-in speed is controllable, and screws in moment of torsion and gathered with torsion angle Simultaneous Monitoring；Support medical bone screw axle
To deformation on-line measurement.
Brief description of the drawings
Fig. 1 is the test device Standard figure of the present invention.
Fig. 2 is the drive module structure chart of the present invention.
Fig. 3 is board frame module structure chart.
Fig. 4 is test specimen function structure chart.
Fig. 5 is link block structure chart.
Fig. 6 is feeding module structure chart.
Embodiment
The present invention is more fully described now with reference to accompanying drawing, a preferred embodiment of the present invention is illustrated in accompanying drawing.
As shown in figure 1, a kind of controllable feeding type medical bone screw reverses test device, including drive module 1, board frame
Frame module 2, test specimen module 3, link block 4, feeding module 5, the first screw 6, the second screw 7, the 3rd screw 8；The feeding
It is connected between module 5 and link block 4 by screw thread, link block 4 is connected with test specimen module 3 by screw thread, and acts on examination
In part module 3, drive module 1 is connected by the first screw 6, the second screw 7 with board frame module 2, and test specimen module 3 passes through
Three screws 8 are connected with board frame module 2, and feeding module 5 is connected by screw with board frame module 2.
As shown in Fig. 2 the drive module 1 includes the first servomotor 101, the 4th screw 102, the 5th screw 103, tune
Whole screw base 104, the first scroll chuck 105, attachment screw 106, chuck terminal pad 107, reductor bearing 108, cycloid reduction
Machine 109, key 110, big synchronous pulley 111, timing belt 112, small synchronous pulley 113 and spindle motor pedestal 114；Described first watches
Take motor 101 to be connected with spindle motor pedestal 114 by screw 102, spindle motor pedestal 114 is fixed on by the first screw 6
On firm banking 211；The small synchronous pulley 113 is fixed on the main shaft of the first servomotor 101 by holding screw, and this is small same
Step belt wheel 113 transfers the motion to big synchronous pulley 111 by timing belt 112, and big synchronous pulley 111 is connected to by key 110
On the main shaft of cycloid speed reducer 109；The cycloid speed reducer 109 is fixed on firm banking 211 by reductor bearing 108, institute
The end of thread connection cycloid speed reducer 109 of chuck terminal pad 107 is stated, the other end connects the first three-jaw card by attachment screw 106
Disk 105；The adjusting screw seat 104 adjusts left and right centering by the 5th screw 103.
As shown in figure 3, the board frame module 2 includes short bottom plate stiffener 201, elongated base plate stiffener 202, foot pad
203rd, the first nut 204, bolt 205, the second nut 206, mounting base 207, auxiliary lower margin 208, auxiliary support plate 209, the
Six screws 210, the sunk screw 212 of firm banking 211 and first；The short bottom plate stiffener 201 and elongated base plate stiffener 202 are all
It is fixed on by the first sunk screw 212 on firm banking 211, foot pad 203, the first nut 204, the nut of bolt 205 and second
It is connected through a screw thread between 206 and is combined into leveling foot pad, and elongated base plate is fixed on by the nut 206 of bolt 205 and second and added
On strong bar 202；The auxiliary lower margin 208, which is connected through a screw thread, to be fixed on auxiliary support plate 209, and auxiliary support plate 209 passes through
Screw is connected with mounting base 207, and the mounting base 207 is placed on firm banking 211 by step surface, and passes through the 6th spiral shell
The installation of nail 210.
As shown in figure 4, the test specimen module 3 includes anti-drop block 301, line slideway 302, the first sliding block 303, guide rail adjustment
Cushion block 304, the 7th screw 305, the first pin 306, tail-holder rack transverse slat 307, the 8th screw 308, tail-holder rack riser 309, moment of torsion
Sensor 310, built-up shaft bearing 311, the second scroll chuck 312, the second sunk screw 313, terminal pad 314, the 9th screw
315th, the second pin 316, a pair of angular contact ball bearings 317, the hole screw 319 of jump ring 318 and the tenth；The tail-holder rack transverse slat
307 are positioned by the first pin 306 and are connected by the 7th screw 305 with guide rail adjustment cushion block 304, guide rail adjustment cushion block 304
First sliding block 303 is connected to by the second sunk screw 313, the first sliding block 303 is inserted in line slideway 302,302 liang of line slideway
End installation anti-drop block 301；The tail-holder rack riser 309 is fixed on tail-holder rack transverse slat 307 by screw, further through the 8th screw
308 connection torque sensors 310, torque sensor 310 are connected with terminal pad 314 by the second pin 316, terminal pad 314 1
End is fixed on built-up shaft bearing through built-up shaft bearing 311 equipped with a pair of angular contact ball bearings 317, and with hole jump ring 318
On 311, the other end of terminal pad 314 is connected by the 9th screw 315 with the second scroll chuck 312；The built-up shaft bearing 311 is logical
The tenth screw 319 is crossed to be fixed on tail-holder rack transverse slat 307.
As shown in figure 5, the link block 4 includes connecting seat 401, pull pressure sensor 402, to silk connecting cylinder 403, the
Three nuts 404 and oscillating bearing 405；Described one end of pull pressure sensor 402 is connected by screw thread with connecting seat 401, the other end
It is connected also by screw thread with to silk connecting cylinder 403；Described one end of 3rd nut 404 is connected through a screw thread to silk connecting cylinder 403, separately
One end is also by being threadedly connected on oscillating bearing 405.
As shown in fig. 6, the feeding module 5 includes bottom plate 501, the 11st screw 502, motor rack 503, the 12nd screw
504th, screw fixed block 505, connection support shaft 506, fixed plate 507, linear bearing seat 508, linear bearing 509, the 13rd spiral shell
Nail 510, optical axis 511, clamp nut 512, leading screw 513, back shroud 514, the 14th screw 515, guide rail 516, the second sliding block
517th, the 15th screw 518, connects bearing and motor rack 519, leading screw bearing 520, the 16th screw 521, plough groove type shaft coupling
522 and second servomotor 523；Second servomotor 523 is connected with plough groove type shaft coupling 522, plough groove type shaft coupling 522
The other end connects leading screw 513, and when leading screw 513 rotates, the screw being attached thereto drives connected fixed plate 507, is slided by second
Block 517 is for linear motion along guide rail 516；In fixed plate 507, by the attachment screw fixed block 505 of the 12nd screw 504, its
Upper that connection support shaft 506 is housed, optical axis 511 is connected through a screw thread with being connected support shaft 506, and is coordinated with linear bearing 509, is worn
The linear bearing seat 508 being connected to the 13rd screw 510 in fixed plate 507 is crossed, linear bearing 509 ensure that optical axis 511 begins
Moved eventually in y-axis direction, clamp nut 512 causes optical axis 511 to be fitted close with the oscillating bearing 405 in link block 4；It is described
Motor rack 503, bottom plate 501, leading screw bearing 520 and back shroud 514 pass through the 16th screw 521, the and of the 15th screw 518 respectively
14th screw 515 connects, and collectively forms the supporting construction of feeding module 5.
The operation principle of the present invention is as follows：
First servomotor 101 of drive module 1 rotates after being powered, and drives what is be connected with the main shaft of the first servomotor 101
Small synchronous pulley 113 rotates, and drives big synchronous pulley 111 to rotate by timing belt 112, big synchronous pulley 111 by key 110 with
The main shaft of cycloid speed reducer 109 connects and transmits motion, drives the first scroll chuck 105 to rotate；The second servo electricity of feeding module 5
Machine 523 rotates after being powered, and connects leading screw 513 by plough groove type shaft coupling 522 and is allowed to rotate, leading screw 513 drives clamp nut
512 and the optical axis 511 that is attached thereto moved along a straight line along guide rail 516, back shroud 514 passes through the 14th screw 515 and test specimen
The tail-holder rack riser 309 of module 4 connects, and promotes test specimen module 3 to travel forward.Before the test begins, adjusted by adjusting foot pad 203
Whole table-surface level, the axiality of two scroll chucks of regulation of cushion block 304 is adjusted by adjusting screw seat 104 and guide rail；Drive mould
First scroll chuck 105 of block 1 clamps and is implanted thing, such as human body bone model, and the second scroll chuck 312 of test specimen module 3 presss from both sides
Tightly tested bone screw.When test starts, bone screw is pushed to be implanted thing and acted on thereon, connection according to requirement of experiment
Pull pressure sensor 402 in module 4 and the torque sensor in test specimen module 3 310 measure the torsion angle of screw, turned round respectively
The data such as square and pulling force, displacement.
Claims (5)
1. a kind of controllable feeding type medical bone screw reverses test device, it is characterised in that including drive module（1）, board
Frame module（2）, test specimen module（3）, link block（4）, feeding module（5）, the first screw（6）, the second screw（7）, the 3rd
Screw（8）；The feeding module（5）And link block（4）Between be connected by screw thread, link block（4）With test specimen module（3）
It is connected by screw thread, and acts on test specimen module（3）On, drive module（1）Pass through the first screw（6）, the second screw（7）With machine
Table frame module（2）It is connected, test specimen module（3）Pass through the 3rd screw（8）With board frame module（2）It is connected, feeding module（5）
Pass through screw and board frame module（2）It is connected；
The board frame module（2）Including short bottom plate stiffener（201）, elongated base plate stiffener（202）, foot pad（203）, first
Nut（204）, bolt（205）, the second nut（206）, mounting base（207）, auxiliary lower margin（208）, auxiliary support plate
（209）, the 6th screw（210）, firm banking（211）With the first sunk screw（212）；The short bottom plate stiffener（201）With
Elongated base plate stiffener（202）All pass through the first sunk screw（212）It is fixed on firm banking（211）On, foot pad（203）, first
Nut（204）, bolt（205）With the second nut（206）Between be connected through a screw thread and be combined into leveling foot pad, and pass through bolt
（205）With the second nut（206）It is fixed on elongated base plate stiffener（202）On；The auxiliary lower margin（208）It is connected through a screw thread solid
Due to auxiliary support plate（209）On, auxiliary support plate（209）Pass through screw and mounting base（207）Connection, the mounting base
（207）Firm banking is placed in by step surface（211）On, and pass through the 6th screw（210）Installation
2. controllable feeding type medical bone screw according to claim 1 reverses test device, it is characterised in that the drive
Dynamic model block（1）Including the first servomotor（101）, the 4th screw（102）, the 5th screw（103）, adjusting screw seat（104）,
One scroll chuck（105）, attachment screw（106）, chuck terminal pad（107）, reductor bearing（108）, cycloid speed reducer
（109）, key（110）, big synchronous pulley（111）, timing belt（112）, small synchronous pulley（113）With spindle motor pedestal（114）；
First servomotor（101）Pass through screw（102）With spindle motor pedestal（114）Connection, spindle motor pedestal（114）It is logical
Cross the first screw（6）It is fixed on firm banking（211）On；The small synchronous pulley（113）First is fixed on by holding screw
Servomotor（101）On main shaft, this small synchronous pulley（113）Pass through timing belt（112）Transfer the motion to big synchronous pulley
（111）, big synchronous pulley（111）Pass through key（110）It is connected to cycloid speed reducer（109）On main shaft；The cycloid speed reducer
（109）Pass through reductor bearing（108）It is fixed on firm banking（211）On, the chuck terminal pad（107）The end of thread connection
Cycloid speed reducer（109）, the other end passes through attachment screw（106）Connect the first scroll chuck（105）；The adjusting screw seat
（104）Pass through the 5th screw（103）Adjust left and right centering.
3. controllable feeding type medical bone screw according to claim 1 reverses test device, it is characterised in that the examination
Part module（3）Including anti-drop block（301）, line slideway（302）, the first sliding block（303）, guide rail adjustment cushion block（304）, the 7th spiral shell
Nail（305）, the first pin（306）, tail-holder rack transverse slat（307）, the 8th screw（308）, tail-holder rack riser（309）, torque sensing
Device（310）, built-up shaft bearing（311）, the second scroll chuck（312）, the second sunk screw（313）, terminal pad（314）, the 9th
Screw（315）, the second pin（316）, a pair of angular contact ball bearings（317）, hole jump ring（318）With the tenth screw（319）；Institute
State tail-holder rack transverse slat（307）Pass through the first pin（306）Position and pass through the 7th screw（305）Cushion block is adjusted with guide rail（304）
Connection, guide rail adjustment cushion block（304）Pass through the second sunk screw（313）It is connected to the first sliding block（303）, the first sliding block（303）
It is inserted in line slideway（302）, line slideway（302）Both ends are installed by anti-drop block（301）；The tail-holder rack riser（309）Pass through spiral shell
Nail is fixed on tail-holder rack transverse slat（307）On, further through the 8th screw（308）Connect torque sensor（310）, torque sensor
（310）With terminal pad（314）Pass through the second pin（316）Connection, terminal pad（314）One end passes through built-up shaft bearing（311）, dress
There are a pair of angular contact ball bearings（317）, and with hole jump ring（318）It is fixed on built-up shaft bearing（311）On, terminal pad（314）
The other end passes through the 9th screw（315）With the second scroll chuck（312）Connection；The built-up shaft bearing（311）Pass through the tenth spiral shell
Nail（319）It is fixed on tail-holder rack transverse slat（307）On.
4. controllable feeding type medical bone screw according to claim 1 reverses test device, it is characterised in that the company
Connection module（4）Including connecting seat（401）, pull pressure sensor（402）, to silk connecting cylinder（403）, the 3rd nut（404）And pass
Bearings（405）；The pull pressure sensor（402）One end passes through screw thread and connecting seat（401）It is connected, the other end is also by spiral shell
Line with to silk connecting cylinder（403）It is connected；3rd nut（404）One end is connected through a screw thread to silk connecting cylinder（403）, it is another
End is also by being threadedly connected to oscillating bearing（405）On.
5. controllable feeding type medical bone screw according to claim 1 reverses test device, it is characterised in that it is described enter
To module（5）Including bottom plate（501）, the 11st screw（502）, motor rack（503）, the 12nd screw（504）, screw fixed block
（505）, connection support shaft（506）, fixed plate（507）, linear bearing seat（508）, linear bearing（509）, the 13rd screw
（510）, optical axis（511）, clamp nut（512）, leading screw（513）, back shroud（514）, the 14th screw（515）, guide rail
（516）, the second sliding block（517）, the 15th screw（518）, connects bearing and motor rack（503）, leading screw bearing（520）, the tenth
Six screws（521）, plough groove type shaft coupling（522）With the second servomotor（523）；Second servomotor（523）With groove
Formula shaft coupling（522）Connection, plough groove type shaft coupling（522）The other end connects leading screw（513）, leading screw（513）During rotation, connect therewith
The screw connect drives connected fixed plate（507）, pass through the second sliding block（517）Along guide rail（516）It is for linear motion；In fixed plate
（507）On, pass through the 12nd screw（504）Attachment screw fixed block（505）, thereon equipped with connection support shaft（506）, optical axis
（511）With being connected support shaft（506）It is connected through a screw thread, and and linear bearing（509）Coordinate, through with the 13rd screw
（510）It is connected to fixed plate（507）On linear bearing seat（508）, linear bearing（509）It ensure that optical axis（511）All the time in y
Direction of principal axis moves, clamp nut（512）So that optical axis（511）With link block（4）In oscillating bearing（405）It is fitted close；
The motor rack（503）, bottom plate（501）, leading screw bearing（520）And back shroud（514）Pass through the 16th screw respectively（521）、
15th screw（518）With the 14th screw（515）Connection, collectively forms feeding module（5）Supporting construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398996.0A CN105004516B (en) | 2015-07-08 | 2015-07-08 | Controllable feeding type medical bone screw reverses test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398996.0A CN105004516B (en) | 2015-07-08 | 2015-07-08 | Controllable feeding type medical bone screw reverses test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105004516A CN105004516A (en) | 2015-10-28 |
| CN105004516B true CN105004516B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510398996.0A Active CN105004516B (en) | 2015-07-08 | 2015-07-08 | Controllable feeding type medical bone screw reverses test device |
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| CN (1) | CN105004516B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910616A (en) * | 2018-09-07 | 2018-11-30 | 无锡市杰美特科技有限公司 | A kind of automatic winding equipment for cardiac stent |
| CN114001945A (en) * | 2021-11-02 | 2022-02-01 | 上海视疆科学仪器有限公司 | Method for automatically judging self-tapping point in self-tapping experiment of metal bone screw |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156033A (en) * | 2011-03-24 | 2011-08-17 | 武汉理工大学 | Measurement device and measurement method of torsional vibration modal of numerical control machine |
| CN103048078A (en) * | 2013-01-21 | 2013-04-17 | 苏州通锦自动化设备有限公司 | Screw rod prepressing moving torque detection device |
| CN203324121U (en) * | 2013-07-02 | 2013-12-04 | 长春机械科学研究院有限公司 | Forward and reverse rotation no-gap torsion testing machine |
| CN103926077A (en) * | 2014-04-24 | 2014-07-16 | 清华大学 | Comprehensive measuring device of static and dynamic rigidity of ball screw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002266972A (en) * | 2001-03-12 | 2002-09-18 | Akira Tamura | Magnetic screw feeding device and door opening and closing device with usage thereof |
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2015
- 2015-07-08 CN CN201510398996.0A patent/CN105004516B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156033A (en) * | 2011-03-24 | 2011-08-17 | 武汉理工大学 | Measurement device and measurement method of torsional vibration modal of numerical control machine |
| CN103048078A (en) * | 2013-01-21 | 2013-04-17 | 苏州通锦自动化设备有限公司 | Screw rod prepressing moving torque detection device |
| CN203324121U (en) * | 2013-07-02 | 2013-12-04 | 长春机械科学研究院有限公司 | Forward and reverse rotation no-gap torsion testing machine |
| CN103926077A (en) * | 2014-04-24 | 2014-07-16 | 清华大学 | Comprehensive measuring device of static and dynamic rigidity of ball screw |
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| Publication number | Publication date |
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| CN105004516A (en) | 2015-10-28 |
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