CN103267674A - Tester clamp - Google Patents
Tester clamp Download PDFInfo
- Publication number
- CN103267674A CN103267674A CN2013101515157A CN201310151515A CN103267674A CN 103267674 A CN103267674 A CN 103267674A CN 2013101515157 A CN2013101515157 A CN 2013101515157A CN 201310151515 A CN201310151515 A CN 201310151515A CN 103267674 A CN103267674 A CN 103267674A
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- China
- Prior art keywords
- piston rod
- piston
- grip
- machine body
- testing machine
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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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a tester clamp. The tester clamp comprises a support of which the upper part is provided with a clamping mouth. Two sides of the clamping mouth are provided respectively with two oil cylinders. Piston rods (3) of the two oil cylinders are opposite. A jaw is fixed to an end of each one of the piston rods (3). Through the two jaws, the tester clamp is opened and closed under the action of the oil cylinders. The two sides of the clamping mouth of the support are provided with coaxial stepped bores. Each one of the two oil cylinders comprises the stepped bore, the piston rod (3) and a piston; the piston rod (3) is located at a small bore end of the stepped bore; the piston is located at a large bore end of the stepped bore; the piston rod (3) is connected to the piston; a cylinder cover is fixed to the large bore end of the stepped bore; the cylinder cover is provided with an oil inlet hole communicated with the stepped bore; and an end of the support far away from the cylinder cover is provided with an oil return opening. The clamping mouth is provided with the two jaws driven by the oil cylinders so that jaw motion can be controlled easily; accuracy is high; slippage is difficult; and test force accuracy is greatly improved.
Description
Technical field
The present invention relates to a kind of grip of testing machine body.
Background technology
The grip of testing machine body also claims the jaw seat, it is the main mechanical composition part of Material Testing Machine, clamping piston in jaw and the clamp body is connected, and the to-and-fro movement by clamping piston realizes the clamping of sample and unclamps, finishes the tension test of metal and nonmetallic materials thus.At present main jaw form is wedge shape in the hydraulic dynamometer, and this structure is easy to use, but jaw has decomposing force when beginning clamping, and it is poor slightly to cause testing the power accuracy.
Summary of the invention
Technical matters to be solved by this invention provides the high grip of testing machine body of a kind of power of test accuracy.
For solving this technical matters, the invention provides a kind of grip of testing machine body, comprise that top has the bearing of clamp port, described clamp port both sides are respectively equipped with oil cylinder, the piston rod of two oil cylinders is relative, fixedly there is jaw end at piston rod 3, this two jaw folding hold assembly under the effect of oil cylinder.
The clamp port both sides of described bearing are provided with coaxial shoulder hole, described oil cylinder comprises shoulder hole, piston rod and piston, piston rod is positioned at the small bore end of shoulder hole, piston is positioned at the big nose end of shoulder hole, piston rod is connected with piston, the big nose end of shoulder hole fixedly has cylinder cap, and this cylinder cap is provided with the oil supply hole that communicates with shoulder hole, and the end away from cylinder cap on the bearing is provided with oil return opening.
Described piston rod is provided with O-ring seal I, and piston is provided with O-ring seal II.
Be provided with O-ring seal III between described cylinder cap and the bearing.
The aperture hole wall of described shoulder hole is provided with guide ring one, and its macropore hole wall is provided with guide ring two.
The clamp port bottom of described bearing is provided with guide plate, and two jaws that are positioned on the piston rod all are arranged on the spigot surface of this guide plate.
Be provided with dust ring between described piston rod and the bearing.
Described jaw top is provided with protective cover.
Described cylinder cap, guide plate and jaw are all fixed by screw.
Beneficial effect: the present invention arranges two jaws by hydraulic oil cylinder driving at the clamp port place, makes the motion of jaw be easy to control, the accuracy height, and easy glide has not improved the accuracy of test power greatly.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the local enlarged diagram of oil cylinder part of the present invention.
Among the figure: 1 bearing, 2 oil cylinders, 3 piston rods, 4 cylinder caps, 5 oil supply holes, 6 oil return openings, 7 jaws, 8 shoulder holes, 9 protective covers, 10 dust rings, 11 O-ring seal I, 12 guide rings one, 13 O-ring seal II, 14 O-ring seal III, 15 guide rings two, 16 screws, 17 guide plates, 18 pistons.
Embodiment
Below in conjunction with drawings and Examples the present invention is done specific descriptions.
Figure 1 shows that structural representation of the present invention.
The present invention includes top and have the bearing 1 of clamp port, the piston rod 3 that described clamp port both sides are respectively equipped with oil cylinder 2, two oil cylinders 2 is relative, in the end of piston rod 3 jaw 7 is arranged fixedly, this two jaw 7 folding hold assembly under the effect of oil cylinder 2.
For the open and close movement accuracy that makes two jaws 7 is higher, it is that the jaw 7 that 17, two of the guide plates of two piston rod 3 direction of motion guiding are positioned on the piston rod 3 all places on the spigot surface of this guide plate 17 that described bearing 1 is provided with.
Described guide plate 17 is fixed on the clamp port bottom of bearing 1 by screw 16.
For the damage of the oxide skin after preventing from testing to jaw 7 and piston rod 3, described jaw 7 tops are equipped with protective cover 9.
Figure 2 shows that the local enlarged diagram of oil cylinder part of the present invention.
The clamp port both sides of described bearing 1 are provided with coaxial shoulder hole 8.
Described oil cylinder 2 comprises shoulder hole 8, piston rod 3 and piston 18, and piston rod 3 is positioned at the small bore end of shoulder hole 8, and piston 18 is positioned at the big nose end of shoulder hole 8.
One end of described piston rod 3 is connected with piston 18, and the other end fixedly has jaw 7 by screw.
The big nose end of shoulder hole 5 fixedly has cylinder cap 4 by screw, is provided with O-ring seal III14 between cylinder cap 4 and the bearing 1.
Described cylinder cap 4 is provided with the oil supply hole 5 that communicates with shoulder hole 5, and the end away from cylinder cap 4 on the bearing 1 is provided with oil return opening 6.
Be provided with dust ring 10 between described piston rod 3 and the bearing 1.
The aperture hole wall of described shoulder hole 5 is provided with guide ring 1, and its macropore hole wall is provided with guide ring 2 15.
Described piston rod 3 is provided with the described piston 18 of O-ring seal I11 and is provided with O-ring seal II13.
The present invention at first puts into test material the centre of two jaws 7 when work, oil enters oil suction chamber by oil-in 5, promotes piston 18 synchronously to the clamp port motion, realizes the clamping of 7 pairs of test materials of jaw; When unclamping, by oil return opening 6 oil returns, realize unclamping of jaw 7.
Hydraulic oil cylinder driving of each oil of two jaws of the present invention, the motion of jaw is easy to control, the accuracy height, easy glide not makes the accuracy height of test power.
The above-mentioned embodiment of the present invention just illustrates, and is not only, all within the scope of the present invention or the change that is equal in the scope of the present invention all surrounded by the present invention.
Claims (9)
1. grip of testing machine body, comprise that top has the bearing of clamp port (1), it is characterized in that: described clamp port both sides are respectively equipped with oil cylinder (2), the piston rod (3) of two oil cylinders (2) is relative, in the end of piston rod (3) jaw (7) is arranged fixedly, this two jaw (7) folding hold assembly under the effect of oil cylinder (2).
2. grip of testing machine body according to claim 1, it is characterized in that: the clamp port both sides of described bearing (1) are provided with coaxial shoulder hole (8), described oil cylinder (2) comprises shoulder hole (8), piston rod (3) and piston (18), piston rod (3) is positioned at the small bore end of shoulder hole (8), piston (18) is positioned at the big nose end of shoulder hole (8), piston rod (3) is connected with piston (18), the big nose end of shoulder hole (5) fixedly has cylinder cap (4), this cylinder cap (4) is provided with the oil supply hole (5) that communicates with shoulder hole (5), and the end that bearing (1) is gone up away from cylinder cap (4) is provided with oil return opening (6).
3. grip of testing machine body according to claim 2, it is characterized in that: described piston rod (3) is provided with O-ring seal I(11), described piston (18) is provided with O-ring seal II(13).
4. grip of testing machine body according to claim 2 is characterized in that: be provided with O-ring seal III(14 between described cylinder cap (4) and the bearing (1)).
5. grip of testing machine body according to claim 2, it is characterized in that: the aperture hole wall of described shoulder hole (5) is provided with guide ring one (12), and its macropore hole wall is provided with guide ring two (15).
6. grip of testing machine body according to claim 2 is characterized in that: the clamp port bottom of described bearing (1) is provided with guide plate (17), and two jaws (7) that are positioned on the piston rod (3) all are arranged on the spigot surface of this guide plate (17).
7. grip of testing machine body according to claim 2 is characterized in that: be provided with dust ring (10) between described piston rod (3) and the bearing (1).
8. grip of testing machine body according to claim 2, it is characterized in that: described jaw (7) top is provided with protective cover (9).
9. according to each described grip of testing machine body of claim 1 ~ 8, it is characterized in that: described cylinder cap (4), guide plate (17) and jaw (7) are all fixed by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101515157A CN103267674A (en) | 2013-04-27 | 2013-04-27 | Tester clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101515157A CN103267674A (en) | 2013-04-27 | 2013-04-27 | Tester clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103267674A true CN103267674A (en) | 2013-08-28 |
Family
ID=49011314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101515157A Pending CN103267674A (en) | 2013-04-27 | 2013-04-27 | Tester clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103267674A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092366A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Stretching mechanism with buffering protection device and used for stretching testing of steel plate |
| CN105092369A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Chuck for tensile testing of steel plate |
| CN105092370A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Double-clamp chuck for steel plate stretching detection |
| CN105115816A (en) * | 2015-09-11 | 2015-12-02 | 湖州华科建设工程质量检测有限公司 | Stretching mechanism for steel plate stretching detection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572392Y (en) * | 2002-10-09 | 2003-09-10 | 齐齐哈尔华工机床制造有限公司 | Hydraulic clamp device for board sample |
| JP2011185755A (en) * | 2010-03-09 | 2011-09-22 | Shimadzu Corp | Material tester |
-
2013
- 2013-04-27 CN CN2013101515157A patent/CN103267674A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572392Y (en) * | 2002-10-09 | 2003-09-10 | 齐齐哈尔华工机床制造有限公司 | Hydraulic clamp device for board sample |
| JP2011185755A (en) * | 2010-03-09 | 2011-09-22 | Shimadzu Corp | Material tester |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092366A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Stretching mechanism with buffering protection device and used for stretching testing of steel plate |
| CN105092369A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Chuck for tensile testing of steel plate |
| CN105092370A (en) * | 2015-09-11 | 2015-11-25 | 湖州华科建设工程质量检测有限公司 | Double-clamp chuck for steel plate stretching detection |
| CN105115816A (en) * | 2015-09-11 | 2015-12-02 | 湖州华科建设工程质量检测有限公司 | Stretching mechanism for steel plate stretching detection |
| CN105092369B (en) * | 2015-09-11 | 2017-09-29 | 海门黄海创业园服务有限公司 | A kind of steel plate stretching detection chuck |
| CN105092370B (en) * | 2015-09-11 | 2017-10-17 | 江苏火电电力设备制造有限公司 | A kind of steel plate stretching detection pair clamp grippers |
| CN105092366B (en) * | 2015-09-11 | 2017-11-21 | 骆云苹 | A kind of steel plate stretching detection drawing mechanism with buffer protection device |
| CN105115816B (en) * | 2015-09-11 | 2017-12-22 | 亳州沃野知识产权服务有限公司 | A kind of steel plate stretching detection drawing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130828 |