CN202305321U - Clamp for testing shear strength of material - Google Patents
Clamp for testing shear strength of material Download PDFInfo
- Publication number
- CN202305321U CN202305321U CN2011203869909U CN201120386990U CN202305321U CN 202305321 U CN202305321 U CN 202305321U CN 2011203869909 U CN2011203869909 U CN 2011203869909U CN 201120386990 U CN201120386990 U CN 201120386990U CN 202305321 U CN202305321 U CN 202305321U
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- CN
- China
- Prior art keywords
- semicircular block
- piece
- clamp
- anchor clamps
- hole
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a clamp for testing the shear strength of a material. The shear clamp is symmetrical, wherein the left side of the clamp consists of a left semicircular block and a tester lower clamping head connecting position; the right side of the clamp consists of a right semicircular block and a tester upper clamping head connecting position; at the central position of the contact plane between the left semicircular block and the right semicircular block, a rectangular blind hole and a circular blind hole are correspondingly formed in the upper end and the lower end of the connecting place between the left semicircular block and the right semicircular block respectively; a circular through hole is formed in the place, close to the inner side wall of the left semicircular block; a rectangular through hole is formed in the place, close to the inner side wall of the right semicircular block; a positioning thin-walled circular sleeve positions the left semicircular block and the right semicircular block in the circular sleeve; and the left semicircular block and the right semicircular block can also relatively slide vertically. The clamp has the technical effect that: the left semicircular block and the right semicircular block are positioned through the thin-walled circular sleeve, and the characteristic of relative slide vertically between the left semicircular block and the right semicircular block is fully used, so a sheared material can be convenient to clamp and unload. The clamp has the advantages of small volume, simple structure, no slippage and the like.
Description
Technical field
The utility model relates to a kind of anchor clamps of testing shear resistance, relates in particular to a kind of anchor clamps of test material shear resistance.
Background technology
At present, electronic tension tester is when the various materials in tension and compression intensity of test, and the used anchor clamps of clamping material only are furnished with circular section bar commonly used and square-section plate grip, and are not equipped with the anchor clamps of test material shear resistance.
Summary of the invention
The purpose of the utility model has been to provide a kind of anchor clamps of test material shear resistance; The defective that this test fixture overcomes that present testing machine does not have to be equipped with and existing anchor clamps commonly used can not the test material shear resistance; Two semicircles slided up and down shear constitution about these anchor clamps adopted, and were difficult for skidding, and charge and discharge operations is simple and reliable; Can shear long and short diversity material, advantage such as test result is accurate.
The utility model is realized like this; It comprises left semicircle piece, right semi-circle piece, testing machine lower chuck link position, manhole, circular blind hole, rectangular through-hole, rectangle blind hole, semicircle piece contact plane center, the left and right sides, location thin-walled round buss; It is characterized in that shearing anchor clamps and be symmetric shape; The anchor clamps left side is made up of left semicircle piece and testing machine lower chuck link position; Anchor clamps the right is made up of right semi-circle piece and testing machine upper grip link position; On semicircle piece contact plane center, the left and right sides, the junction of left semicircle piece and right semi-circle piece up and down respectively correspondence have rectangle blind hole and circular blind hole, the junction of left semicircle and right semi-circle piece correspondence respectively has manhole and rectangular through-hole; Location thin-walled round buss is positioned at left semicircle piece and right semi-circle piece in the round buss, and left semicircle piece and right semi-circle piece can be done to slide relatively up and down.
The technique effect of the utility model is: these shearing anchor clamps have been filled up the defective that existing testing machine is not equipped with test material shear resistance anchor clamps, can shear the long and short material of right cylinder and 15 millimeters long and short materials of cuboid of 3 χ, 3 millimeters ~ 15 χ of 3 ~ 15 millimeters of diameters; Adopt the left and right sides, thin-walled round buss location semicircle piece, the characteristics that adopt left and right sides semicircle piece to slide relatively up and down during shearing can be easily with shearing the material clamping and unloading, and it is little to have more volume, advantage such as non-slip simple in structure.
Description of drawings
Fig. 1 is the structural representation of the utility model.
In the drawings, 1. testing machine upper grip link position 2. is located semicircle piece contact plane center, thin-walled round busses 3. short cuboid material 4. right semi-circle pieces, 5. long cuboid material 6. rectangular through-hole, 7. elongated cylinder material 8. short cylinder materials, 9. testing machine lower chuck link position 10. rectangle blind holes, 11. left and right sides 12. manholes, 13. circular blind hole 14. left semicircle pieces.
Embodiment
As shown in Figure 1; Shear anchor clamps and be symmetric shape; The anchor clamps left side is made up of left semicircle piece (14) and testing machine lower chuck link position (9); Anchor clamps the right is made up of right semi-circle piece (4) and testing machine upper grip link position (1); On position, semicircle piece contact plane center, the left and right sides (11), left semicircle piece (14) and right semi-circle piece (4) have a manhole (12) and a rectangular through-hole (6), a circular blind hole (13) and a rectangle blind hole (10), during use; Elongated cylinder material (7) or short cylinder material (8), long cuboid material (5) or short cuboid material (3) are inserted in left semicircle piece (14) corresponding aperture; The hole and the right semi-circle piece (4) that closes in alignment right semi-circle piece (4), shearing material be the center with semicircle piece contact plane center, the left and right sides (11), in the through hole of left semicircle piece (14) and right semi-circle piece (4) or blind hole, respectively accounts for half; Put location thin-walled round buss (2) from the anchor clamps upper end; Testing machine upper grip link position (1) is inserted the testing machine upper grip, and testing machine lower chuck link position (9) inserts the testing machine lower chuck, and testing machine is done extensional motion and just can be got off material to semi-shear.
The principle of work of the utility model is: the shearing anchor clamps are general common to receive force mode with the compression double shear; It then is to become the simple shear design of drawing by pressing that the utility model is sheared anchor clamps; Shearing anchor clamps is made up of left semicircle piece and right semi-circle piece; Symmetry has manhole, circular blind hole, rectangular through-hole, rectangle blind hole in the heart in the semicircle piece contact plane of the left and right sides, and this four hole is the fixed position of shearing material, can select that hole suitable according to the shape length of shearing material.Insert one of left semicircle piece four holes to material during shearing, the hole and the right semi-circle piece that closes on the alignment right semi-circle piece, the testing machine upper grip link position on anchor clamps down puts location thin-walled round buss; The outer warp that left and right sides semicircle piece lumps together has guaranteed that through cooperating the location semicircle piece plane contact gap, the left and right sides is very little with the interior of location thin-walled round buss, during stressed shearing; Have only sliding up and down of left and right sides semicircle piece, can not separate semicircle piece both sides, the left and right sides, guarantee that really material is a shear failure; Rather than shear and to add fail in bending, after material is cut off, will locate the thin-walled round buss and up take off; Left and right sides semicircle piece separates automatically, and it generally is smooth shearing material fracture.
Claims (1)
1. the anchor clamps of a test material shear resistance; It comprises left semicircle piece, right semi-circle piece, testing machine lower chuck link position, manhole, circular blind hole, rectangular through-hole, rectangle blind hole, semicircle piece contact plane center, the left and right sides, location thin-walled round buss; It is characterized in that shearing anchor clamps and be symmetric shape; The anchor clamps left side is made up of left semicircle piece and testing machine lower chuck link position; Anchor clamps the right is made up of right semi-circle piece and testing machine upper grip link position; On semicircle piece contact plane center, the left and right sides, the junction upper and lower side of left semicircle piece and right semi-circle piece correspondence respectively has rectangle blind hole and circular blind hole, and the junction of left semicircle and right semi-circle piece correspondence respectively has manhole and rectangular through-hole; Location thin-walled round buss is positioned at left semicircle piece and right semi-circle piece in the round buss, and left semicircle piece and right semi-circle piece can be done to slide relatively up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203869909U CN202305321U (en) | 2011-10-12 | 2011-10-12 | Clamp for testing shear strength of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203869909U CN202305321U (en) | 2011-10-12 | 2011-10-12 | Clamp for testing shear strength of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305321U true CN202305321U (en) | 2012-07-04 |
Family
ID=46374193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203869909U Expired - Fee Related CN202305321U (en) | 2011-10-12 | 2011-10-12 | Clamp for testing shear strength of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305321U (en) |
-
2011
- 2011-10-12 CN CN2011203869909U patent/CN202305321U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121012 |