CN105865906A - Centering positioning clamping device for compressing sample - Google Patents
Centering positioning clamping device for compressing sample Download PDFInfo
- Publication number
- CN105865906A CN105865906A CN201610375688.0A CN201610375688A CN105865906A CN 105865906 A CN105865906 A CN 105865906A CN 201610375688 A CN201610375688 A CN 201610375688A CN 105865906 A CN105865906 A CN 105865906A
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- compression
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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
- G01N3/04—Chucks
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0405—Features allowing alignment between specimen and chucks
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a centering positioning clamping device for a compressing sample. The problem that the compressing sample easily causes serious error of experimental data in a mounting process of a compressing clamp is fundamentally solved. The centering positioning clamping device comprises a base, a positioning clamp component and a fastener, wherein the positioning clamp component is used for assembling the compressing clamp; the technical key point is as follows: the base is composed of a base plate and a lateral plate which are vertical to each other; two fixing plates clamping a centering block of the positioning clamp component are arranged on the base plate in a parallel form; slide plates are vertically arranged on the fixing plates and are connected with the base plate and the lateral plate through the fastener and a fixing pin; the fixing plate which moves along a length direction of an adjusting hole is used for driving the centering block to synchronously adjust and move; a bottom surface of the compressing sample between the clamping blocks of the compressing clamp is arranged on the top surface of the centering block; an end face of the compressing sample is aligned with the end faces of the clamping blocks of the compressing clamp through the slide plates. The structure design is reasonable; the centering operation is easy; the adjustment is convenient and quick; the accuracy of centering degree and parallel degree of the mounting of the compressing sample in the compressing clamp is obviously increased, so that the accuracy of the experimental result is ensured.
Description
Technical field
The present invention relates to a kind of for guaranteeing that composite compression sample is accurately positioned the auxiliary mounting tool of clamping in compression clamp, particularly a kind of compression sample centering positioning clamping device, it is applicable to the compression clamp being compressed performance test of various composite compression sample as location auxiliary clamp instrument, is also suitable as the special fixture of machining composite material compression sample.
Background technology
Composite application in the field such as Aero-Space, automobile making is more and more extensive.Owing to the compression performance of composite is tested by compression sample is tested and obtained, so to the crudy of compression sample and to install the requirement of clamping accuracy in compression clamp be all the highest.Such as " for the special fixture of grinding machine processing carbon fibre composite compression sample " that patent announcement number is CN 104942712A, just describe a kind of special fixture improving compression sample crudy.The fixture of this processing, although can improve when processing compression sample the depth of parallelism and the required precision of perpendicularity, but be not used to clamp the compression sample being compressed performance test.Its reason is that when composite compression sample is before being compressed test, need first compression sample to be installed in special compression clamp on request, i.e. in experimentation compressive load when passing to compress sample, it is necessary to make it remain good alignment degree in special compression clamp.Otherwise will cause sample that bigger bending occurs, the degree of bending will produce strong impact to " failure mode " that the result of the test compressed and sample are own.Therefore, when compression clamp is installed compression sample, not only need compression clamp is stably tightened, but also the two ends of compression sample and compression clamp centering and concordant must be made.If cannot ensure that " definitely " that the compression sample installed positions in special compression clamp is accurate, then may result in experimental data and serious error occurs, finally affect the accuracy of experimental result.In the prior art, the relevant report of the auxiliary mounting tool being accurately positioned clamping being applied to composite compression sample in compression clamp is not yet found.
Summary of the invention
It is an object of the invention to provide a kind of compression sample centering positioning clamping device, fundamentally stopped compression sample install in compression clamp clamping time, misalign, with the most concordant experimental data caused, the problems such as gross error occur, its reasonable in design, centering processing ease, adjust efficient and convenient, significantly improve alignment degree and the accuracy of the depth of parallelism that various sizes of compression sample is installed in compression clamp, so that it is guaranteed that the accuracy of experimental result.
nullThe technical solution adopted in the present invention is，This compression sample centering positioning clamping device includes base，The location clamp assembly that compression clamp is assembled on base and securing member，It is characterized in that: described base is made up of base plate and the side plate of orthogonal square-section，Location clamp assembly includes fixed plate、Centering block、Slide plate and securing member，Two fixed plates of the square-section being placed in parallel with backplate surface are connected with base plate by the adjustment bolt being plugged in fixed plate adjusting hole respectively，The centering block being consistent with the specification shape of compression sample is clipped between two fixed plates，The slide plate of a square-section it is disposed vertically at two fixed plate upper surfaces，It is connected with the T-shaped chute on base plate and the bar shaped guide chute on side plate respectively by the steady pin in the securing member in the locking hole of slide plate and hole, location，Adjusting slide plate, to move in parallel the end face of the compression clamp clamping block making to be assembled on base concordant，The length direction translation along adjusting hole of two fixed plates is regulated respectively according to the centering scale arranged on base plate，The centering block synchronous adjustment being clipped between two fixed plates is driven to move；Compression sample is placed between the clamping block of compression clamp, and make the end face of centering block that the baseplane of compression sample is pressed between two fixed plates, meanwhile, the slide plate by moving in parallel is concordant with the end face of compression clamp clamping block respectively by the left and right end face of compression sample.
The end being positioned at two fixed plates being placed in parallel on the base plate of described base arranges centering scale.
The length direction translation of described slide plate T-shaped chute along base plate and the guide chute on side plate, the left and right end face of compression sample is compressed with the end face of compression clamp clamping block respectively concordant after, utilize securing member in the locking hole of slide plate and the steady pin in hole, location that compression clamp integral locking is fixed.
The present invention has the advantage that and good effect is: owing to the present invention uses location clamp assembly to be assembled on base by compression clamp, constitute base plate and the side plate of the orthogonal square-section of base, again with two fixed plates of the square-section being arranged parallel on base plate, the slide plate of the square-section being vertically disposed in fixed plate cooperates, folder centering block between the fixing plates can be stably fixed on base plate, guarantee to compress the alignment degree that sample is installed in compression clamp, so its reasonable in design, centering processing ease, adjust efficient and convenient, significantly improve alignment degree and the accuracy of the depth of parallelism that various sizes of compression sample is installed in compression clamp, so that it is guaranteed that the accuracy of experimental result.Therefore, the present invention has fundamentally stopped to misalign when clamping installed in compression clamp by compression sample the problems such as gross error occur with the most concordant experimental data caused.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is a kind of perspective view of the present invention；
Fig. 2 is a kind of planar structure schematic diagram that the present invention does not has assemble compressible fixture；
Fig. 3 is the Fig. 2 sectional view along line A-A；
Fig. 4 is fixed plate and the planar structure schematic diagram of centering block of location clamp assembly；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the top view of Fig. 4；
Fig. 7 is the planar structure schematic diagram of the slide plate of location clamp assembly.
Sequence number explanation in figure: 1 compression clamp, 2 slide plates, 3 fixed plates, 4 scales, 5 base plates, 6 side plates, 7 locking nuts, 8 carrying bolts, 9 adjustment bolts, 10 centering blocks, 11 location hole, 12 locking holes.
Detailed description of the invention
The concrete structure of the present invention is described in detail according to Fig. 1～7.This compression sample centering positioning clamping device includes base, the parts such as the location clamp assembly being assembled on base by compression clamp 1 and securing member.Wherein base is made up of a base plate 5 and two side plates 6 of orthogonal square-section.Location clamp assembly includes two fixed plates, 10, slide plate 2 of 3, centering block and by adjusting the securing member that bolt 9, carrying bolt 8, locking nut 7 and steady pin etc. form.
Two fixed plates 3 of the square-section being placed in parallel with base plate 5 surface in the clamp assembly of location, are connected with base plate 5 by the adjustment bolt 9 being plugged in fixed plate 3 adjusting hole respectively.The centering block 10 being consistent with the specification shape of compression sample (not shown) is clipped between two fixed plates 3.Upper surface two fixed plates 3 is disposed vertically the slide plate 2 of a square-section, it is connected with the T-shaped chute on base plate 5 and the bar shaped guide chute on side plate 6 respectively by the steady pin in the securing member being made up of carrying bolt 8, locking nut 7 in the locking hole 12 of slide plate 2, and hole 11, location.
Adjust slide plate 2 to move in parallel, the compression clamp 1 being assembled on base is made to clamp the end face of block concordant, i.e. moving in parallel by slide plate 2, makes utilizing of compression clamp 1 adjust the concordant with the end face that side plate 6 surface contacts of bolted clamping block, concordant with the end face that slide plate 2 surface contacts.Regulate the length direction translation along adjusting hole of two fixed plates 3 respectively according to the scale 4 of the centering arranged on base plate 5, drive centering block 10 synchronous adjustment being clipped between two fixed plates 3 to move.
Compression sample is placed between the clamping block of compression clamp 1, and make the end face of centering block 10 that the baseplane of compression sample is pressed between two fixed plates 3, meanwhile, by the slide plate 2 that moves in parallel by concordant with the end face that compression clamp 1 clamps block respectively for the left and right end face of compression sample.In order to accurately regulate two fixed plates 3 length direction translation position along adjusting hole, the end being positioned at two fixed plates 3 being placed in parallel on the base plate 5 of base arranges centering scale 4.The length direction translation of the slide plate 2 T-shaped chute along base plate 5 and the guide chute on side plate 6, by compression sample left and right end face clamp with compression clamp 1 respectively block end face compress concordant after, utilize the securing member being made up of carrying bolt 8, locking nut 7 in the locking hole 12 of slide plate 2 and the steady pin in hole 11, location, compression clamp 1 integral locking is fixed.Finally locking connects clamping the whole of block and adjusts bolt, can be clamped in compressing sample accurate centering location in compression clamp 1.
By as follows for compression sample centering location and installation concrete operation step in compression clamp 1:
First select and compress the centering block 10 that sample is consistent and be clipped between two fixed plates 3, press the scale that the scale 4 on base plate 5 indicates, move in parallel two fixed plates 3, the centering block 10 being clipped between two fixed plates 3 is made to move also with synchronous adjustment, until centering block 10 moves to center position accurately, tighten four in two fixed plates 3 adjustment bolt 9(the adjustment bolt 9 in fixed plate 3 is tightened successively in cornerwise mode), centering block 10 is fixed.
Next unclamps compression clamp 1 left-half, clamping the whole of block that connect of right half part adjust bolt, one end of compression sample above the centering block 10 being first clamped between fixed plate 3, insert between the clamping block of compression clamp 1 left-half, make the left side of compression sample clamp the end face of the block surface all with side plate 6 with compression clamp 1 left-half and contact flush.Meanwhile, four adjustment bolts of compression clamp 1 left-half are tightened gently.Again two leads are inserted respectively in the clamping block of compression clamp 1 left-half, right half part.Meanwhile, the other end of compression sample is inserted between the clamping block of compression clamp 1 right half part, move in parallel slide plate 2, make the right side of compression sample clamp the end face of the block surface all with slide plate 2 with compression clamp 1 right half part and contact flush.Carrying bolt 8 in lock slide 2 and locking nut 7, make slide plate 2 fix, tighten four bolts of the right half part of compression clamp 1 gently.
Finally the connection of compression clamp 1 left-half, right half part is clamped block all of adjustment bolt, gradually tightens with torque spanner in cornerwise mode so that compacted compression specimen surface to add holding force uniform.Finally unclamp the bolt 8 on slide plate 2 and locking nut 7, slide plate 2 is released downwards, i.e. can be taken off the compression clamp 1 of clamping complete compression sample.
Claims (3)
- null1. a compression sample centering positioning clamping device，Including base，The location clamp assembly that compression clamp is assembled on base and securing member，It is characterized in that: described base is made up of base plate and the side plate of orthogonal square-section，Location clamp assembly includes fixed plate、Centering block、Slide plate and securing member，Two fixed plates of the square-section being placed in parallel with backplate surface are connected with base plate by the adjustment bolt being plugged in fixed plate adjusting hole respectively，The centering block being consistent with the specification shape of compression sample is clipped between two fixed plates，The slide plate of a square-section it is disposed vertically at two fixed plate upper surfaces，It is connected with the T-shaped chute on base plate and the bar shaped guide chute on side plate respectively by the steady pin in the securing member in the locking hole of slide plate and hole, location，Adjusting slide plate, to move in parallel the end face of the compression clamp clamping block making to be assembled on base concordant，The length direction translation along adjusting hole of two fixed plates is regulated respectively according to the centering scale arranged on base plate，The centering block synchronous adjustment being clipped between two fixed plates is driven to move；Compression sample is placed between the clamping block of compression clamp, and make the end face of centering block that the baseplane of compression sample is pressed between two fixed plates, meanwhile, the slide plate by moving in parallel is concordant with the end face of compression clamp clamping block respectively by the left and right end face of compression sample.
- Compression sample centering positioning clamping device the most according to claim 1, it is characterised in that: the end being positioned at two fixed plates being placed in parallel on the base plate of described base arranges centering scale.
- Compression sample centering positioning clamping device the most according to claim 1, it is characterized in that: the length direction translation of described slide plate T-shaped chute along base plate and the guide chute on side plate, the left and right end face of compression sample is compressed with the end face of compression clamp clamping block respectively concordant after, utilize securing member in the locking hole of slide plate and the steady pin in hole, location that compression clamp integral locking is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375688.0A CN105865906B (en) | 2016-05-31 | 2016-05-31 | Compress sample centering positioning clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375688.0A CN105865906B (en) | 2016-05-31 | 2016-05-31 | Compress sample centering positioning clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105865906A true CN105865906A (en) | 2016-08-17 |
| CN105865906B CN105865906B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375688.0A Active CN105865906B (en) | 2016-05-31 | 2016-05-31 | Compress sample centering positioning clamping device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289981A (en) * | 2016-10-11 | 2017-01-04 | 昆山市建设工程质量检测中心 | Kerbstone bending test device |
| CN107144463A (en) * | 2017-05-26 | 2017-09-08 | 山东大学 | Many strain paths test fixtures and the pilot system with the fixture |
| CN107677541A (en) * | 2017-10-20 | 2018-02-09 | 江苏恒神股份有限公司 | Improve carbon fibre composite compression test test specimen accuracy of alignment fixture |
| CN108152093A (en) * | 2016-12-05 | 2018-06-12 | 波音公司 | The method for preparing the laminate samples of the elongation for ply adhesion test |
| CN108196589A (en) * | 2017-12-26 | 2018-06-22 | 深圳市诺峰光电设备有限公司 | A kind of novel adjusting depth of parallelism mechanism arrangement |
| CN108398308A (en) * | 2018-06-05 | 2018-08-14 | 吉林重通成飞新材料股份公司 | Fibre reinforced composites compress sample end face processing device and method |
| CN108426787A (en) * | 2018-03-23 | 2018-08-21 | 中国石油天然气股份有限公司 | Shear strength testing device |
| CN109520826A (en) * | 2018-11-06 | 2019-03-26 | 大连理工大学 | A kind of dedicated compression clamp of different length composite material compression sample longitudinal centering positioning |
| CN110501216A (en) * | 2019-09-25 | 2019-11-26 | 中南大学 | A kind of creep compression clamp component |
| CN110501217A (en) * | 2019-09-25 | 2019-11-26 | 中南大学 | A kind of creep compression clamp |
| CN110553906A (en) * | 2019-09-05 | 2019-12-10 | 北京化工大学 | Clamp and device and method for testing compression strength of carbon fiber with clamp |
| CN111122303A (en) * | 2019-12-26 | 2020-05-08 | 西安交通大学 | Size-adjustable pressurizing, fixing and centering device and centering method |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289981A (en) * | 2016-10-11 | 2017-01-04 | 昆山市建设工程质量检测中心 | Kerbstone bending test device |
| CN108152093A (en) * | 2016-12-05 | 2018-06-12 | 波音公司 | The method for preparing the laminate samples of the elongation for ply adhesion test |
| CN108152093B (en) * | 2016-12-05 | 2021-05-25 | 波音公司 | Method of preparing elongated laminate samples for interlaminar adhesion testing |
| CN107144463A (en) * | 2017-05-26 | 2017-09-08 | 山东大学 | Many strain paths test fixtures and the pilot system with the fixture |
| CN107677541A (en) * | 2017-10-20 | 2018-02-09 | 江苏恒神股份有限公司 | Improve carbon fibre composite compression test test specimen accuracy of alignment fixture |
| CN107677541B (en) * | 2017-10-20 | 2023-08-18 | 江苏恒神股份有限公司 | Clamp for improving centering precision of carbon fiber composite material compression test piece |
| CN108196589A (en) * | 2017-12-26 | 2018-06-22 | 深圳市诺峰光电设备有限公司 | A kind of novel adjusting depth of parallelism mechanism arrangement |
| CN108426787B (en) * | 2018-03-23 | 2020-09-04 | 中国石油天然气股份有限公司 | Shear strength testing device |
| CN108426787A (en) * | 2018-03-23 | 2018-08-21 | 中国石油天然气股份有限公司 | Shear strength testing device |
| CN108398308A (en) * | 2018-06-05 | 2018-08-14 | 吉林重通成飞新材料股份公司 | Fibre reinforced composites compress sample end face processing device and method |
| CN109520826A (en) * | 2018-11-06 | 2019-03-26 | 大连理工大学 | A kind of dedicated compression clamp of different length composite material compression sample longitudinal centering positioning |
| CN110553906A (en) * | 2019-09-05 | 2019-12-10 | 北京化工大学 | Clamp and device and method for testing compression strength of carbon fiber with clamp |
| CN110501216A (en) * | 2019-09-25 | 2019-11-26 | 中南大学 | A kind of creep compression clamp component |
| CN110501217A (en) * | 2019-09-25 | 2019-11-26 | 中南大学 | A kind of creep compression clamp |
| CN110501217B (en) * | 2019-09-25 | 2024-03-08 | 中南大学 | Creep compression clamp |
| CN110501216B (en) * | 2019-09-25 | 2024-03-08 | 中南大学 | Creep compression clamp assembly |
| CN111122303A (en) * | 2019-12-26 | 2020-05-08 | 西安交通大学 | Size-adjustable pressurizing, fixing and centering device and centering method |
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| Publication number | Publication date |
|---|---|
| CN105865906B (en) | 2018-07-13 |
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