CN109211660B - A kind of adjustable automatic centering wide plate fixture - Google Patents
A kind of adjustable automatic centering wide plate fixture Download PDFInfo
- Publication number
- CN109211660B CN109211660B CN201810926879.0A CN201810926879A CN109211660B CN 109211660 B CN109211660 B CN 109211660B CN 201810926879 A CN201810926879 A CN 201810926879A CN 109211660 B CN109211660 B CN 109211660B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- turntable
- clamping plate
- guide rail
- automatic centering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- 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
Abstract
The invention discloses a kind of adjustable automatic centering wide plate fixtures, including clamp body, turntable is fixed in the groove of the clamp body, the turntable center is equipped with guide rail, the guide rail is symmetric about the center of turntable, guide rail is equipped with symmetrical the first sliding block and the second sliding block, and first sliding block is fixedly connected with first clamping plate and second clamping plate respectively with the second sliding block, and the end face of the first clamping plate and second clamping plate is equipped with several for fixing the threaded hole of testpieces.Fixture manufacturing cost of the invention is low, compact-sized, operation is convenient, the wide plate of thickness in a certain range can be adapted to automatically, and locating clip is next, the wide plate is automatic centering clamping, to as research object and for needing the test or test that clamp, improving test accuracy and efficiency using wide plate.
Description
Technical field
The present invention relates to a kind of fixture more particularly to a kind of adjustable automatic centering wide plate fixtures.
Background technique
Tabular component or material are often faced in engineering test or the testing of materials, often may require that clamping structure in testing
Part or material sample, and need to guarantee that centering clamps by test request.In existing standard sample, plate is often relatively narrow, leads to
The jaw for crossing existing Wedge gripping cooperation different size can guarantee preferable effect.Once but subjects become wide
Plate, there are wide plate clampings to need for plane bidirectional extending test or actual test component such as thin plate, and existing Wedge gripping is often
It cannot clamp well.If simple amplifies Wedge gripping and its mating jaw, final grip size weight will lead to
It is huge, certain difficulty is caused to the implementation of test.Usually used plate grip unilateral can only adapt to difference by adjusting again
The plate of thickness, often through visually observe or other auxiliary setting come centering, once load increase, pass through frictional force reprint shape
Formula is simultaneously unreliable, therefore and is not suitable for.
" a kind of centering clamp for testing machine template test specimen " (CN108088738) that Zhang Xuefei et al. is proposed passes through folder
Head slider adjusts to guarantee that center line is aligned, but one side structure type of attachment is complex, and operation is relatively complicated, is actually adding
When load, section connecting element is easy to loosen, and on the other hand, designed cylinder also has certain influence to the observation of experimental phenomena, and
The length of cylinder also limits the size of testpieces；" a kind of centering clamp " (CN207226449) that Zhang Wei et al. is proposed passes through
Reverse thread and lead screw realize, but assembles complicated, and when actual loaded, lead screw is easily deformed by loading force, to load compared with
Big test significant discomfort is used.
Summary of the invention
Goal of the invention: it is an object of the present invention to provide a kind of manufacturing costs, and low, compact-sized, operation is easily adjustable automatic
Centering wide plate fixture.
Technical solution: the present invention includes clamp body, and turntable, the turntable center are fixed in the groove of the clamp body
Equipped with guide rail, the guide rail is symmetric about the center of turntable, and guide rail is equipped with symmetrical the first sliding block and the
Two sliding blocks, first sliding block are fixedly connected with first clamping plate and second clamping plate respectively with the second sliding block；The first clamping plate
It is equipped with the end face of second clamping plate several for fixing the threaded hole of testpieces, the first clamping plate and connecing in second clamping plate
Contacts baseplate on plate and clamp body.
The center of turntable is equipped with for the centre bore across clamping screw, and the clamping screw is by turntable and fixture
Body is axially fixed.
The side of the turntable is equipped with an equally distributed circular hole of circle, and the circular hole can connect auxiliary equipment, such as hand
Shank adjusts gripping width when larger convenient for frictional force, and track and the corresponding size of guide rail can be cooperated on turntable excircle
Carry out thickness scale, while can also on excircle annular knurl, convenient for rotation.
First sliding block and the second sliding block and guide rail uses transition fit.
The guide rail is using linear guide or the curvilinear guide of given trace, the linear guide and curvilinear guide
Central symmetry should all be met, and the first sliding block and the second sliding block can be made in place into guide rail and along guide rail sliding.
The head of the clamp body is equipped with the connecting hole connecting with experimental rig.
The connecting hole uses pin hole, threaded hole or other types of attachment.
Working principle: in use, rotation turntable, separates first clamping plate with second clamping plate, testpieces is protruded into fixture,
Turntable is rotated, draws close the first sliding block along guide rail with the second sliding block, and then drives first clamping plate and second clamping plate close, and with
Testpieces contact, by the bolt at clamping plate both ends by testpieces and Boards wall.
The utility model has the advantages that fixture manufacturing cost of the invention is low, compact-sized, operation is convenient, in a certain range to thickness
Wide plate can adapt to automatically, and locating clip is next, which is automatic centering clamping, to being research object and need using wide plate
For the test or test to be clamped, test accuracy and efficiency are improved.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is clamp body schematic diagram of the invention；
Fig. 4 is of the invention to turntable schematic diagram；
Fig. 5 is clamping plate schematic diagram of the invention；
Fig. 6 is perspective view of the explosion of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figures 1 to 6, the present invention include clamp body 1, turntable 2, first clamping plate 3, second clamping plate 4, locking nut 5,
First sliding block 6 and the second sliding block 7.Clamp body 1 is groove structure, and groove center is equipped with tapped blind hole 1.2, for across locking
Turntable 2 is fixed on clamp body 1 by nut 5.The head of clamp body 1 be it is cylindric, and be equipped with connecting hole 1.1, to test
Device connection, connecting hole 1.1 can use pin hole, threaded hole or other types of attachment.The inside grooves of clamp body 1 be equipped with
The parallel bottom plate 1.3 of horizontal plane, which can contact with the fishplate bar in first clamping plate 3 and second clamping plate 4, to transmit
Longitudinal loading.
Turntable 2 is fixed in the groove of clamp body 1,2 center of turntable is equipped with guide rail 2.1, radial direction of the guide rail 2.1 along turntable 2
The center in direction, turntable 2 is equipped with centre bore 2.2, and guide rail 2.1 is symmetric about centre bore 2.2, and centre bore 2.2 is for wearing
Clamping screw 5 is crossed, turntable 2 is fixed on clamp body 1.The side of turntable 2 is additionally provided with the equally distributed circular hole 2.3 of a circle, uses
In connection auxiliary equipment, such as handlebar adjusts gripping width when larger convenient for frictional force, can cooperate on 2 excircle of turntable
The track of guide rail 2.1 and corresponding size carry out the scale of thickness, at the same can also on excircle annular knurl, convenient for turning
It is dynamic.
Guide rail 2.1 is equipped with symmetrical the first sliding block 6 and the second sliding block 7, and guide rail 2.1 is the first sliding block 6 and second
The relative movement orbit of sliding block 7, guide rail 2.1 can be linear guide, or the curvilinear guide of given trace, linear guide
Central symmetry should all be met with curvilinear guide, and the first sliding block 6 and the second sliding block 7 can be made in place into guide rail 2.1
And it is slided along guide rail 2.1.
Clamping screw 5 passes through centre bore 2.2, and the connection of turntable 2 is anchored on clamp body 1, in load test part, locking
Bolt 5 and turntable 2 be not by longitudinal loading, therefore its size can be relatively small, but should ensure that the bolt head of clamping screw 5 exists
When clamping thickness is close to zero, the movement of the first sliding block 6 and the second sliding block 7 will not interfere with.
First sliding block 6 is fixedly connected with first clamping plate 3 and second clamping plate 4 respectively with the second sliding block 7.First clamping plate 3 and
The end face of second splint 4 is equipped with several threaded holes (3.1,4.1) for being used to fix testpieces, is pressed from both sides testpieces by bolt group
Tightly.The end face that first sliding block 6 and the second sliding block 7 are contacted with clamp body 1 is equipped with the hole (3.2,4.2) for fixing sliding block, sliding
Block can be the bolt of an appropriate size, but should ensure that the diameter of its extension and guide rail 2.1 can cooperate, the diameter dimension
Be transition fit with the width dimensions of guide rail 2.1, the fishplate bar (3.3,4.3) in first clamping plate 3 and second clamping plate 4 to fixture
Bottom plate 1.3 on body 1 contacts, to transmit longitudinal loading.
Keep first clamping plate 3 and second clamping plate 4 separated by large distances in use, first passing through rotation turntable 2, but it is ensured that first
Then sliding block 6 and the second sliding block 7 protrude into testpieces all without departing from guide rail 2.1, be rotated further by turntable 2, the first sliding block 6 and second
Sliding block 7 is drawn close along the sliding of guide rail 2.1, due to guide rail 2.1 about center of rotation symmetrical and the first sliding block 6 and the second sliding block 7 with
First clamping plate 3 and second clamping plate 4 are fixedly connected, thus drive first clamping plate 3 with 4 pairs of second clamping plate in draw close, until with test
Two side contacts of part are at this time fastened first clamping plate 3 and second clamping plate 4 and testpieces with modes such as bolts.To be tested or test knot
Shu Hou first unloads bolt, then rotates backward turntable 2, and testpieces can conveniently be taken out.
Claims (7)
1. a kind of adjustable automatic centering wide plate fixture, which is characterized in that including clamp body (1), the groove of the clamp body (1)
It is inside fixed with turntable (2), the turntable (2) center is equipped with guide rail (2.1), and the guide rail (2.1) is about in turntable (2)
The heart is symmetric, and guide rail (2.1) is equipped with symmetrical the first sliding block (6) and the second sliding block (7), first sliding block
(6) and the second sliding block (7) is fixedly connected with first clamping plate (3) and second clamping plate (4) respectively；The first clamping plate (3) and second
The end face of clamping plate (4) is equipped with several for fixing the threaded hole (3.1,4.1) of testpieces, the first clamping plate (3) and second
Fishplate bar (3.3,4.3) on clamping plate (4) is contacted with the bottom plate (1.3) on clamp body (1).
2. a kind of adjustable automatic centering wide plate fixture according to claim 1, which is characterized in that the turntable (2)
Center is equipped with for the centre bore (2.2) across clamping screw (5), and the clamping screw (5) is by turntable (2) and clamp body
(1) it is axially fixed.
3. a kind of adjustable automatic centering wide plate fixture according to claim 1 or 2, which is characterized in that the turntable (2)
Side be equipped with an equally distributed circular hole (2.3) of circle, the circular hole (2.3) can connect auxiliary equipment.
4. a kind of adjustable automatic centering wide plate fixture according to claim 1, which is characterized in that first sliding block
(6) and the second sliding block (7) and guide rail (2.1) use transition fit.
5. a kind of adjustable automatic centering wide plate fixture according to claim 1, which is characterized in that the guide rail
(2.1) using linear guide or the curvilinear guide of given trace, the linear guide and curvilinear guide should all meet center
Symmetrically.
6. a kind of adjustable automatic centering wide plate fixture according to claim 1, which is characterized in that the clamp body (1)
Head be equipped with the connecting hole (1.1) that connect with experimental rig.
7. a kind of adjustable automatic centering wide plate fixture according to claim 6, which is characterized in that the connecting hole
(1.1) pin hole or threaded hole are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926879.0A CN109211660B (en) | 2018-08-15 | 2018-08-15 | A kind of adjustable automatic centering wide plate fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926879.0A CN109211660B (en) | 2018-08-15 | 2018-08-15 | A kind of adjustable automatic centering wide plate fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109211660A CN109211660A (en) | 2019-01-15 |
| CN109211660B true CN109211660B (en) | 2019-07-12 |
Family
ID=64988850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810926879.0A Active CN109211660B (en) | 2018-08-15 | 2018-08-15 | A kind of adjustable automatic centering wide plate fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109211660B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031290B (en) * | 2019-03-21 | 2021-11-02 | 东南大学 | Three-point bending-based reciprocating loading test piece clamp and test method |
| CN112857978B (en) * | 2020-08-07 | 2022-08-05 | 同济大学 | Two-way compression test fixture of combined material plywood |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3498121A (en) * | 1967-07-01 | 1970-03-03 | Maschf Augsburg Nuernberg Ag | Test piece centering means for stress-strain machines |
| CN201497495U (en) * | 2009-08-31 | 2010-06-02 | 武汉协和齿环有限公司 | Special clamp for three-dimensional measuring machine |
| CN205364174U (en) * | 2016-01-04 | 2016-07-06 | 乐万英 | Trimming machine automatic centering carousel |
| CN106764084A (en) * | 2017-04-01 | 2017-05-31 | 莱芜钢铁集团有限公司 | A kind of pipeline jig |
| CN107807042A (en) * | 2017-12-10 | 2018-03-16 | 济南天辰试验机制造有限公司 | A kind of thick bamboo tube test fixture |
| CN207439811U (en) * | 2017-11-07 | 2018-06-01 | 武汉钢铁有限公司 | Automotive sheet high-cycle fatigue test fixture |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447854B (en) * | 2013-09-02 | 2016-04-13 | 三一集团有限公司上海分公司 | A kind of self-centering device of workpiece and machining center |
| CN205961028U (en) * | 2016-07-29 | 2017-02-15 | 江苏建筑职业技术学院 | Various steel roof boarding anchor clamps convenient to solar energy component is fixed |
-
2018
- 2018-08-15 CN CN201810926879.0A patent/CN109211660B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3498121A (en) * | 1967-07-01 | 1970-03-03 | Maschf Augsburg Nuernberg Ag | Test piece centering means for stress-strain machines |
| CN201497495U (en) * | 2009-08-31 | 2010-06-02 | 武汉协和齿环有限公司 | Special clamp for three-dimensional measuring machine |
| CN205364174U (en) * | 2016-01-04 | 2016-07-06 | 乐万英 | Trimming machine automatic centering carousel |
| CN106764084A (en) * | 2017-04-01 | 2017-05-31 | 莱芜钢铁集团有限公司 | A kind of pipeline jig |
| CN207439811U (en) * | 2017-11-07 | 2018-06-01 | 武汉钢铁有限公司 | Automotive sheet high-cycle fatigue test fixture |
| CN107807042A (en) * | 2017-12-10 | 2018-03-16 | 济南天辰试验机制造有限公司 | A kind of thick bamboo tube test fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109211660A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109211660B (en) | A kind of adjustable automatic centering wide plate fixture | |
| WO2017070975A1 (en) | Mechanical property testing instrument for biological soft tissues and mechanical testing method for biological soft tissues | |
| WO2019024175A1 (en) | Loosening tester capable of precisely controlling lateral load | |
| TW201249587A (en) | Clipping device | |
| KR20070114075A (en) | A vise apparatus | |
| CN107560936A (en) | Tension test fixture | |
| CN114112646A (en) | Test fixture for shearing-stretching | |
| CN109323787B (en) | Contact finger clamping force measuring device | |
| CN207717507U (en) | Tension test fixture | |
| CN214952619U (en) | Fixing clamp and shearing force testing equipment | |
| CN114624104A (en) | T-shaped support drawing clamp device and using method | |
| CN202592234U (en) | Fast loosening and fastening no-thread clamp device | |
| CN211602743U (en) | Tensile shearing/compression shearing experimental device | |
| CN211179369U (en) | Clamp on fatigue testing machine test piece and fatigue testing machine | |
| CN211235478U (en) | Peeling force testing machine convenient to clamping test piece | |
| CN208443657U (en) | A kind of easy stretching force detecting apparatus | |
| CN207456721U (en) | A kind of fixture for testing plate vibration performance | |
| CN106153449A (en) | A kind of adhesive plaster tear test fixture | |
| CN215910247U (en) | Tension meter capable of accurately detecting tensile strength | |
| CN219996723U (en) | High-strength bolt bearing capacity detection clamp for steel structure | |
| CN208520557U (en) | One kind can be used for more diameter lag bolt tensile strength detection clamps | |
| CN214953780U (en) | Test fixture for plug-in type resistor | |
| CN216955455U (en) | Clamp for testing tensile strength of wood grain | |
| CN216669534U (en) | Displacement measuring device for anchor cable drawing test | |
| CN103753281A (en) | Chute type quick clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |