CN106525588A - Self-adaptive type extensometer with multiple deformation modes - Google Patents
Self-adaptive type extensometer with multiple deformation modes Download PDFInfo
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- CN106525588A CN106525588A CN201611089588.8A CN201611089588A CN106525588A CN 106525588 A CN106525588 A CN 106525588A CN 201611089588 A CN201611089588 A CN 201611089588A CN 106525588 A CN106525588 A CN 106525588A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a self-adaptive type extensometer with multiple deformation modes. The self-adaptive type extensometer comprises two positioning bolts, two both-way connecting nuts, two universal hinge assemblies, two connecting bolts, two connecting sleeves, a first retractable steel pipe, a second retractable steel pipe and an extensometer. With adoption of reasonably designed positioning bolts, one-dimensional samples with smaller cross sections can be fixed in a bound manner; samples with larger cross sections are fixed in a pre-buried manner, and the application range of the self-adaptive type extensometer with multiple deformation modes is expanded; the universal hinge assemblies have good rotating performance in all directions, so that various deforming conditions of tested samples can be adapted to, axes of the first retractable steel pipe and the second retractable steel pipe are located on the same straight line without dislocation and the first retractable steel pipe and the second retractable steel pipe can freely stretch out and draw back in the axial direction when two points are in complicated composite motion such as rotation, torsion, translation, dislocation and the like simultaneously, and the extensometer can still accurately measure relative translational movement of the two points.
Description
Technical field
The invention belongs to measure equipment and the engineering device technique field of relative displacement, and in particular to for test sample in axle
A kind of shape changeable mode adaptive type tens(i)ometer of the deformation occurred under load action.
Background technology
The mechanical property test that material is stretched and compressed, it usually needs realize that measurement sample is in axial direction in real time using tens(i)ometer
The deformation occurred under load action.Tens(i)ometer can be divided into contact and contactless two class.Contact tens(i)ometer can be divided into again
Two kinds of mechanical type and electronic type, in ambient temperature mechanical properties test, mechanical type tens(i)ometer has been eliminated, and commonly uses at present
It is clip electronics tens(i)ometer.Contactless tens(i)ometer measures the deformation of sample, also commonly referred to as optics using Digital image technology
Tens(i)ometer.Optics tens(i)ometer have the advantages that it is big without additional stress, range, be tens(i)ometer development important directions, but by
In it is expensive, using reasons such as very flexibles, have significant limitation in application.
At present, no matter in scientific research or field of engineering technology, actually used most tens(i)ometer product is manual dress
The clip electronics tens(i)ometer of folder, it is this kind of tens(i)ometer simple structure, cheap, easy to operate so which is widely used.But only
Have when tested sample only exists the deformation on own axes direction, this clip electronics tens(i)ometer ability normal work, from
And ensure the accuracy of measurement result；When tested sample occurs the deformation on own axes direction because of bias-load
When, the axis of two drive links of clip electronics tens(i)ometer can occur the changing of the relative positions, so as to there is stuck situation.This will reduce its
Normal working performance in test process.In addition, this clip electronics tens(i)ometer experiences two pieces of single cutting tools of sample marking distance elongation
Piece need to be using rubber band colligation on test specimen, and this mounting means can cause to install not firm, so as to the accuracy for affecting to measure
The problems such as；Also, this clip electronics tens(i)ometer cannot be fixed on the larger sample in section with rubber band colligation, which is suitable for
In the less one-dimensional sample of measurement sectional dimension, the scope of application is narrower.
The content of the invention
The technical problem to be solved is the shortcoming for overcoming existing clip electronics tens(i)ometer, there is provided a kind of design
Rationally, high, easy to install, the applied widely one kind of strong antijamming capability, good stability, connection reliability, sensitivity is more
Deformation pattern self-adaptation type tens(i)ometer.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of shape changeable mode adaptive type tens(i)ometer, including：
Two bolts, two are bi-directionally connected nut, two universal hinge components, two connecting bolts, two connection sleeve pipes, scalable steel
Pipe group and extensometer；The universal hinge component includes ball pivot connecting bolt and ball pivot top cap；The scalable steel pipe includes
One scalable steel pipe and the second scalable steel pipe；The extensometer includes test sensing box and test baffle；The bolt
Not threaded one end is fixed on sample, and the threaded one end of the bolt is connected with the one end for being bi-directionally connected nut
Connect, the other end for being bi-directionally connected nut is connected with the threaded one end of ball pivot connecting bolt, the ball pivot connecting bolt
Not threaded one end is hinged with one end of ball pivot top cap, the other end and the threaded one end of connecting bolt of the ball pivot top cap
It is connected, one end of connection sleeve pipe fixed, the first scalable steel pipe are inserted in the not threaded one end of the connecting bolt
One end and one end of the second scalable steel pipe be inserted in the other end of two connection sleeve pipes fixed respectively, described first can stretch
The other end of contracting steel pipe is inserted in the other end of the described second scalable steel pipe, and it is scalable that the test baffle is socketed in described first
On steel pipe, the test sensing box is socketed on the described second scalable steel pipe.
Preferably, the tens(i)ometer also includes：Four fixing bolts；It is inserted in connection in the not threaded one end of the connecting bolt
One end of sleeve pipe, and fixed by fixing bolt；One end of the first scalable steel pipe and the second scalable steel pipe
One end is inserted in the other end of two connection sleeve pipes respectively, and is fixed by fixing bolt respectively.
Preferably, the bottom of thread of the bolt is provided with annular protrusion, described is bi-directionally connected nut for serving as
Backing plate, is conducive to being bi-directionally connected the fixation of nut.
Preferably, the threaded top of the ball pivot connecting bolt is provided with the instruments such as spanner mat, convenient use spanner by institute
State nut is bi-directionally connected described in ball pivot connecting bolt screw-in.
Preferably, the ball pivot top cap is provided with the soft set of ball pivot protection of prepackage, desirably prevents impurity to enter inside ball pivot,
Ensure the turning power of universal hinge component.
Preferably, one end that the ball pivot top cap is connected with the connecting bolt carries prefabricated female thread, is conducive to
The connecting bolt is fixed on universal hinge component.
Preferably, the described first scalable steel pipe is solid steel tube, and the second scalable steel pipe is hollow steel pipe, and institute
The external diameter of the internal diameter slightly larger than the described first scalable steel pipe of the second scalable steel pipe is stated, the described first scalable steel pipe is covered
Enter the described second scalable steel pipe, it is ensured that the axial stretching performance of scalable steel pipe.
Preferably, sensor box draw-in groove is provided with the test sensing box, be provided with baffle wedge on the test baffle
Groove, the test sensing box are socketed on the described first scalable steel pipe by sensor box draw-in groove；The test baffle passes through
Baffle plate draw-in groove is socketed on the described second scalable steel pipe.
Preferably, the tens(i)ometer also includes：Sensor box draw-in groove bolt and baffle wedge slot bolt；The sensor box card
Groove is provided with through hole, and it is solid that the test can be sensed box through the through hole on sensor box draw-in groove by the sensor box draw-in groove bolt
It is scheduled on the described first scalable steel pipe；The baffle plate draw-in groove is provided with through hole, and the baffle wedge slot bolt can pass through baffle wedge
Through hole on groove is fixed on the test baffle on the described second scalable steel pipe.
Preferably, the scalable steel pipe can pre-manufactured random length on demand.
The beneficial effect brought of technical scheme that the present invention is provided is：
Using above-mentioned technical proposal, as universal hinge component possesses good rotating property in all directions, can
The various modifications situation that self adaptation tested sample occurs, it is ensured that there is the complexity such as rotation, torsion, translation, the changing of the relative positions simultaneously at 2 points
Compound motion when, there is no the changing of the relative positions all the time on the same line in the axis of scalable steel pipe A and scalable steel pipe B, in axial direction
Freely can stretch, tens(i)ometer still can 2 points of relative translational movement displacements of accurate measurement.By bolt reasonable in design, can be real
Fixed by the way of colligation referring now to the less one-dimensional sample in section；The sample larger for section is solid by the way of pre-buried
It is fixed, expand the scope of application of shape changeable mode adaptive type tens(i)ometer.
The present invention is described in further detail below in conjunction with drawings and Examples, but a kind of shape changeable pattern of the present invention
Self-adaptation type tens(i)ometer is not limited to embodiment.
Description of the drawings
Fig. 1 is a kind of front view of shape changeable mode adaptive type tens(i)ometer of the present invention；
Fig. 2 is a kind of left view of shape changeable mode adaptive type tens(i)ometer of the present invention；
Fig. 3 is a kind of top view of shape changeable mode adaptive type tens(i)ometer of the present invention；
Fig. 4 is the sectional view of A-A positions in Fig. 3；
Fig. 5 is the sectional view of B-B positions in Fig. 3.
Reference：1st, bolt, 2, be bi-directionally connected nut, 3, ball pivot connecting bolt, 4, ball pivot protect soft set, 5, ball
Hinge top cap, 6, connection sleeve pipe, 7, fixing bolt, the 8, first scalable steel pipe, the 9, second scalable steel pipe, 10, connecting bolt,
11st, test sensing box, 12, test baffle, 13, sensor box draw-in groove, 14, sensor box draw-in groove bolt, 15, baffle plate draw-in groove, 16,
Baffle wedge slot bolt.
Specific embodiment
Referring to shown in Fig. 1 to Fig. 5, a kind of shape changeable mode adaptive type tens(i)ometer, including：
Two bolts 1, two be bi-directionally connected nut 2, two universal hinge components, two connecting bolts 10, two connection sleeve pipes 6, can
Telescopic steel pipe group and extensometer；The universal hinge component includes ball pivot connecting bolt 3 and ball pivot top cap 5；The scalable steel pipe
Group includes the first scalable steel pipe 8 and the second scalable steel pipe 9；The extensometer includes test sensing box 11 and test baffle
12；The not threaded one end of the bolt 1 is fixed on sample, 1 threaded one end of the bolt and two-way company
One end of connected nut 2 is connected, and the other end for being bi-directionally connected nut 2 is connected with 3 threaded one end of ball pivot connecting bolt
Connect, 3 not threaded one end of the ball pivot connecting bolt is hinged with one end of ball pivot top cap 5, the other end of the ball pivot top cap 5
It is connected with 10 threaded one end of connecting bolt, the not threaded one end of the connecting bolt 10 is inserted in the one of connection sleeve pipe 6
Hold and fix, one end of one end of the first scalable steel pipe 8 and the second scalable steel pipe 9 is inserted in two adapter sleeves respectively
The other end of pipe 6 is simultaneously fixed, and the other end of the first scalable steel pipe 8 is inserted in the other end of the described second scalable steel pipe 9,
The test baffle 12 is socketed on the described first scalable steel pipe 8, and the test sensing box 11 is socketed in described second and can stretch
On contracting steel pipe 9.
Further, the tens(i)ometer also includes：
Four fixing bolts 7；One end of connection sleeve pipe 6 is inserted in the not threaded one end of the connecting bolt 10, and by solid
Determine bolt 7 to fix；Two companies are inserted in respectively in one end of one end of the first scalable steel pipe 8 and the second scalable steel pipe 9
The other end of female connector pipe 6, and fixed by fixing bolt 7 respectively.
Specifically, through hole is provided with the not threaded one end of the connecting bolt 10, it is equal at the two ends of the connection sleeve pipe 6
Through hole is provided with, and through hole is equipped with one end of one end of the described first scalable steel pipe 8 and the second scalable steel pipe 9, is made
Obtain the fixing bolt 7 to be fastened through through hole.
Further, the bottom of thread of the bolt 1 is provided with annular protrusion, described is bi-directionally connected nut for serving as
2 backing plate, is conducive to being bi-directionally connected the fixation of nut.
Further, the threaded top of the ball pivot connecting bolt 3 is provided with the instruments such as spanner mat, convenient use spanner and incites somebody to action
The ball pivot connecting bolt is bi-directionally connected nut described in screwing in.
Further, the ball pivot top cap 5 is provided with the soft set 4 of ball pivot protection of prepackage, desirably prevents impurity to enter ball pivot
It is internal, it is ensured that the turning power of universal hinge component.
Further, one end that the ball pivot top cap 5 is connected with the connecting bolt 10 carries prefabricated female thread, has
It is fixed on universal hinge component beneficial to the connecting bolt.
Further, the described first scalable steel pipe 8 is solid steel tube, and the second scalable steel pipe 9 is hollow steel pipe,
And the internal diameter of the second scalable steel pipe 9 makes the described first scalable steel slightly larger than the external diameter of the described first scalable steel pipe 8
Pipe 8 can be inserted in the described second scalable steel pipe 9, it is ensured that the axial stretching performance of scalable steel pipe.
Further, sensor box draw-in groove 13 is provided with the test sensing box 11, arrange on the test baffle 12
There is baffle plate draw-in groove 15, the test sensing box 11 is socketed on the described first scalable steel pipe 8 by sensor box draw-in groove 13；Institute
State test baffle 12 to be socketed on the described second scalable steel pipe 9 by baffle plate draw-in groove 15.
Further, the tens(i)ometer also includes：
Sensor box draw-in groove bolt 14 and baffle wedge slot bolt 16；The sensor box draw-in groove 13 is provided with through hole, described
The test can be sensed box 11 through the through hole on sensor box draw-in groove 13 and be fixed on described the by sensor box draw-in groove bolt 14
On one scalable steel pipe 8；The baffle plate draw-in groove 15 is provided with through hole, and the baffle wedge slot bolt 16 can be through on baffle plate draw-in groove 15
Through hole the test baffle 12 is fixed on the described second scalable steel pipe 9.
Further, scalable steel pipe pre-manufactured random length on demand.
In the present embodiment, universal hinge is factory's finished market product, directly can be bought on demand, has selected and hang down in the present embodiment
Nogata to the bolt (ball pivot connecting bolt 3) for having specific form, horizontal direction reserved bolt hole (ball pivot top cap 5 be connected spiral shell
Tether the part for connecing), and it is provided with the soft set of protection.
In the present embodiment, extend and be calculated as factory's finished market product, directly can buy on demand, the range root of the extensometer of installation
Determine according to specific test requirements document.
In the present embodiment, be bi-directionally connected nut section and be that semicircle is spherical for regular hexagon, ball pivot top cap, connection sleeve pipe and
The section of scalable steel pipe is annulus or circle, all kinds of bolts are cylinder, and this causes the example entirety svelteness
Mellow and full, plastic simplicity is attractive in appearance.
The concrete operating principle of the present invention is as follows：
In the present embodiment, as universal hinge component possesses good rotating property in all directions, can be adaptive
The various modifications situation for answering tested sample to occur, it is ensured that there is answering for the complexity such as rotation, torsion, translation, changing of the relative positions simultaneously at 2 points
During resultant motion, there is no the changing of the relative positions in the axis of the first scalable steel pipe 8 and the second scalable steel pipe 9 all the time on the same line,
Axially freely can stretch, tens(i)ometer still can 2 points of relative translational movement displacements of accurate measurement.
Specifically, a kind of manufacture method of shape changeable mode adaptive type tens(i)ometer is as follows：
(1) by two pieces of bolts not threaded one end according to the sample marking distance pre-buried (dress) of regulation in the sample
(on).
In the present embodiment, by bolt reasonable in design, achievable one-dimensional sample less for section is adopted to be tied up
The mode of bundle is fixed, will the not threaded one end of two pieces of bolts be mounted on sample in advance according to the sample marking distance of regulation；It is right
In section, larger sample is fixed by the way of pre-buried, will the not threaded one end of two pieces of bolts according to the examination of regulation
Sample gauge length is pre-buried in the sample, so as to expand the scope of application of shape changeable mode adaptive type tens(i)ometer.
(2) any one end that two are bi-directionally connected nut is screwed in threaded one end on two pieces of bolts to fix.
(3) take the one end of universal hinge component with ball pivot connecting bolt screw-in and be fixed on the other end for being bi-directionally connected nut
On, two pieces of connecting bolts threaded one end is screwed in and is fixed in ball pivot top cap.
(4) either end for taking two connection sleeve pipes is inserted in the threadless one end of connecting bolt, is fixed with fixing bolt.
(5) it is scalable that first is inserted in respectively when the draw-in groove in test baffle and test sensing box is also in relaxation state
In steel pipe and the second scalable steel pipe, then the first scalable steel pipe is inserted in the second scalable steel pipe, then adjusts suitable
Length two free ends of scalable steel pipe are inserted in connection sleeve pipe, and fixed with fixing bolt.
(6) test baffle and test sensing box are adjusted to appropriate position, they are fixed by tightening card slot bolt respectively
On the first scalable steel pipe and the second scalable steel pipe.
The present invention is described in detail above in conjunction with accompanying drawing, but embodiments of the present invention be not limited in it is above-mentioned
Embodiment, those skilled in the art can make various modifications according to prior art to the present invention, such as by above-described embodiment
The first scalable steel pipe be changed to hollow or the ball pivot top cap in above-described embodiment be changed to cube by hemisphere by solid
Body etc., these belong to protection scope of the present invention.
Claims (10)
1. a kind of shape changeable mode adaptive type tens(i)ometer, it is characterised in that include：
Two bolts (1), two are bi-directionally connected nut (2), two universal hinge components, two connecting bolts (10), two connection sleeve pipes
(6), scalable steel pipe and extensometer；The universal hinge component includes ball pivot connecting bolt (3) and ball pivot top cap (5)；It is described
Scalable steel pipe includes first scalable steel pipe (8) and second scalable steel pipe (9)；The extensometer includes test sensing box
And test baffle (12) (11)；Bolt (1) not threaded one end is fixed on sample, bolt (1)
Threaded one end is connected with the one end for being bi-directionally connected nut (2), and the other end for being bi-directionally connected nut (2) is connected with ball pivot
The threaded one end of connecting bolt (3) is connected, ball pivot connecting bolt (3) not threaded one end and ball pivot top cap (5)
One end is hinged, and the other end of ball pivot top cap (5) is connected with the threaded one end of connecting bolt (10), the connecting bolt
(10) one end fixation, the one end of first scalable steel pipe (8) and the institute of connection sleeve pipe (6) is inserted in not threaded one end
The other end of two connection sleeve pipes (6) fixed, the first scalable steel is inserted in respectively in the one end for stating second scalable steel pipe (9)
The other end of pipe (8) is inserted in the other end of described second scalable steel pipe (9), and test baffle (12) are socketed in described first
On scalable steel pipe (8), test sensing box (11) is socketed on described second scalable steel pipe (9).
2. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that the tens(i)ometer is also wrapped
Include：
Four fixing bolts (7)；One end of connection sleeve pipe (6) is inserted in connecting bolt (10) not threaded one end, and passes through
Fixing bolt (7) is fixed；One end difference of the one end of first scalable steel pipe (8) and second scalable steel pipe (9)
The other end of two connection sleeve pipes (6) is inserted in, and it is fixed by fixing bolt (7) respectively.
3. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that：
The bottom of thread of bolt (1) is provided with annular protrusion, for serving as the backing plate for being bi-directionally connected nut (2).
4. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that：
The threaded top of ball pivot connecting bolt (3) is provided with spanner mat.
5. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that：
Ball pivot top cap (5) are provided with the ball pivot of prepackage and protect soft set (4).
6. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that：
One end that ball pivot top cap (5) are connected with the connecting bolt (10) carries prefabricated female thread.
7. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that：
Described first scalable steel pipe (8) are solid steel tube, and described second scalable steel pipe (9) are hollow steel pipe, and described the
The internal diameter of two scalable steel pipe (9) makes the described first scalable steel pipe slightly larger than the external diameter of described first scalable steel pipe (8)
(8) described second scalable steel pipe (9) can be inserted in.
8. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that：
Sensor box draw-in groove (13) is provided with test sensing box (11), on test baffle (12), baffle wedge is provided with
Groove (15), test sensing box (11) are socketed on described first scalable steel pipe (8) by sensor box draw-in groove (13)；Institute
State test baffle (12) to be socketed on described second scalable steel pipe (9) by baffle plate draw-in groove (15).
9. shape changeable mode adaptive type tens(i)ometer according to claim 8, it is characterised in that the tens(i)ometer is also wrapped
Include：
Sensor box draw-in groove bolt (14) and baffle wedge slot bolt (16)；Sensor box draw-in groove (13) are provided with through hole, institute
State sensor box draw-in groove bolt (14) test sensing box (11) can be fixed through the through hole on sensor box draw-in groove (13)
On described first scalable steel pipe (8)；Baffle plate draw-in groove (15) are provided with through hole, and baffle wedge slot bolt (16) can wear
The through hole crossed on baffle plate draw-in groove (15) is fixed on the test baffle (12) on described second scalable steel pipe (9).
10. shape changeable mode adaptive type tens(i)ometer according to claim 1, it is characterised in that：
Scalable steel pipe pre-manufactured random length on demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089588.8A CN106525588B (en) | 2016-12-01 | 2016-12-01 | Multi-deformation-mode self-adaptive extensometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089588.8A CN106525588B (en) | 2016-12-01 | 2016-12-01 | Multi-deformation-mode self-adaptive extensometer |
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| CN106525588B CN106525588B (en) | 2023-06-23 |
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|---|---|---|---|---|
| CN107179233A (en) * | 2017-05-16 | 2017-09-19 | 中国建筑股份有限公司 | A kind of multidirectional measurement erecting device of displacement transducer |
| CN112577737A (en) * | 2020-11-26 | 2021-03-30 | 人本股份有限公司 | Linear bearing durability test tool |
| CN112577737B (en) * | 2020-11-26 | 2022-10-18 | 人本股份有限公司 | Linear bearing durability test tool |
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