CN203546698U - Fixture special for geogrid - Google Patents
Fixture special for geogrid Download PDFInfo
- Publication number
- CN203546698U CN203546698U CN201320648783.5U CN201320648783U CN203546698U CN 203546698 U CN203546698 U CN 203546698U CN 201320648783 U CN201320648783 U CN 201320648783U CN 203546698 U CN203546698 U CN 203546698U
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- China
- Prior art keywords
- geogrid
- geo
- grid
- mechanical connection
- post
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- 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.)
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Abstract
The utility model relates to a fixture special for a geogrid, in particular to a special test fixture adopted in a steel-plastic geogrid and a geogrid with a high tensile force value and large deformation. The fixture special for the geogrid comprises a mechanical connecting column, and is characterized in that the mechanical connecting column is rigidly connected with a winding column and a fixed pressure plate; the long edge of the fixed pressure plate and a straight line on which the middle line of the mechanical connecting column is positioned are tangent lines of the winding column respectively; a vertical tangent line on the inner side of the winding column is coplanar with the long edge of the fixed pressure plate and the straight line on which the middle axis of the mechanical connecting column is positioned. The fixture has the beneficial effects that advanced jaw form shear fracture of geogrid splines is eliminated, the phenomenon of root fracture and slip of the splines during geogrid testing is reduced, and the accuracy of geogrid testing is ensured.
Description
(1) technical field
The utility model relates to a kind of geo-grid special fixture, is particularly directed to all Special test fixtures of larger geo-grid employing of steel plastic geogrid and tensile force value, distortion.
(2) background technology
At present, the fixture structure that known geo-grid adopts is to be combined by mechanical connection post, jaw.The geo-grid batten of test is connected with tensile testing machine with mechanical connection post by jaw, by tensile strength and the deformation of tensile testing machine operation detection geo-grid.But, the geo-grid of most of specification, especially the tensile strength of steel plastic geogrid is larger, the combining form of mechanical connection post, jaw is not easily when the tensile strength of geo-grid being detected, geo-grid batten will produce because jaw shearing is excessive and destroy or the too small slip phenomenon that produces of shearing, and the requirement of the tensile strength of unrealized detection geo-grid, thereby make experimental data distortion.
(3) summary of the invention
The utility model, in order to make up the deficiencies in the prior art, provides a kind of geo-grid special fixture that can accurately measure geo-grid tensile strength, can conveniently judge geogrid deformation situation and mode of failure.
The utility model is achieved by the following technical solution:
A kind of geo-grid special fixture, comprise mechanical connection post, it is characterized in that: described mechanical connection post and winding post, fixation clip are rigidly connected, the center line place straight line of the long limit of fixation clip and mechanical connection post is respectively a tangent line of winding post, and the long limit of winding post inboard, upright direction tangent line and fixation clip and place, mechanical connection post axis straight line are coplanar.
Between described winding post and fixation clip and mechanical connection post, be respectively equipped with gap.
Described winding post is wound with geo-grid batten by gap.
Described fixation clip one side is provided with the perforation of grid batten, and mechanical connection post is provided with pin-and-hole.
The beneficial effects of the utility model are: eliminated geo-grid batten in advance by jaw form shear failure, the batten fracture of root and the slip phenomenon that while having reduced geo-grid test, have produced, guaranteed the accuracy that geo-grid is tested.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is schematic diagram of the present utility model;
Accompanying drawing 2 is structural representation of the present utility model;
Accompanying drawing 3 is the A-A cross-sectional schematic of accompanying drawing 2;
Accompanying drawing 4 is the B-B cross-sectional schematic of accompanying drawing 2;
In figure, 1 mechanical connection post, 2 winding post, 3 fixation clips, 4 gaps, 5 geo-grid battens, 6 grid batten perforation, 7 pin-and-holes.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises mechanical connection post 1, mechanical connection post 1 is rigidly connected with winding post 2, fixation clip 3, the center line place straight line of the long limit of fixation clip 3 and mechanical connection post 1 is respectively a tangent line of winding post 2, and the long limit of winding post 2 inboard, upright direction tangent lines and fixation clip 3 and mechanical connection post 1 place, axis straight line are coplanar.Between winding post 2 and fixation clip 3 and mechanical connection post 1, be respectively equipped with gap 4.Winding post 2 is wound with geo-grid batten 5 by gap 4.Fixation clip 3 one sides are provided with grid batten perforation 6, and mechanical connection post 1 is provided with pin-and-hole 7.
Adopt a kind of geo-grid special fixture of the present utility model, geo-grid batten 5 is wound in winding post 2 by gap 4, one end is fixing with fixation clip 3 by the perforation 6 of grid batten, the other end is fixed on mechanical connection post 1, the long limit of winding post inboard, upright direction tangent line and fixation clip and place, mechanical connection post axis straight line are coplanar, and having avoided geo-grid batten 5 stressed is vertical direction.The center line place straight line of the long limit of fixation clip and mechanical connection post is respectively a tangent line of winding post, the end position stress form that geo-grid batten 5 is connected with fixture in process of the test is changed, thus reduced that geo-grid batten 5 destroys in advance because fixture shearing is excessive or the too small geo-grid batten 5 that produces of shearing from the phenomenon of fixture slippage.Test machines power output value passes to geo-grid batten 5 by special fixture, the normal pressure that has changed the dependence shearing formation of original jaw pattern produces frictional force to pin the pattern of geotechnological batten, but adopt the mode being wound around greatly to lengthen the field of load of batten end, thereby removed shearing form, guaranteed normally carrying out of test.
Claims (4)
1. a geo-grid special fixture, comprise mechanical connection post (1), it is characterized in that: described mechanical connection post (1) is rigidly connected with winding post (2), fixation clip (3), the center line place straight line of the long limit of fixation clip (3) and mechanical connection post (1) is respectively a tangent line of winding post (2), and the long limit of winding post (2) inboard, upright direction tangent line and fixation clip (3) and mechanical connection post (1) place, axis straight line are coplanar.
2. a kind of geo-grid special fixture according to claim 1, is characterized in that: between described winding post (2) and fixation clip (3) and mechanical connection post (1), be respectively equipped with gap (4).
3. a kind of geo-grid special fixture according to claim 2, is characterized in that: described winding post (2) is wound with geo-grid batten (5) by gap (4).
4. a kind of geo-grid special fixture according to claim 1, is characterized in that: described fixation clip (3) one sides are provided with grid batten perforation (6), and mechanical connection post (1) is provided with pin-and-hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648783.5U CN203546698U (en) | 2013-10-18 | 2013-10-18 | Fixture special for geogrid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648783.5U CN203546698U (en) | 2013-10-18 | 2013-10-18 | Fixture special for geogrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203546698U true CN203546698U (en) | 2014-04-16 |
Family
ID=50464834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320648783.5U Expired - Fee Related CN203546698U (en) | 2013-10-18 | 2013-10-18 | Fixture special for geogrid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203546698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916714A (en) * | 2019-04-08 | 2019-06-21 | 山东路德新材料股份有限公司 | A kind of fixed device of carbon fiber grille tension test |
-
2013
- 2013-10-18 CN CN201320648783.5U patent/CN203546698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916714A (en) * | 2019-04-08 | 2019-06-21 | 山东路德新材料股份有限公司 | A kind of fixed device of carbon fiber grille tension test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20191018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |