CN205333412U - Size adjustable pretightning force adj. tabular test piece anchor clamps of formula impact tester that drop hammer - Google Patents
Size adjustable pretightning force adj. tabular test piece anchor clamps of formula impact tester that drop hammer Download PDFInfo
- Publication number
- CN205333412U CN205333412U CN201620047716.1U CN201620047716U CN205333412U CN 205333412 U CN205333412 U CN 205333412U CN 201620047716 U CN201620047716 U CN 201620047716U CN 205333412 U CN205333412 U CN 205333412U
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- China
- Prior art keywords
- sliding chutes
- limit sliding
- base
- fixing plate
- screw rod
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- Withdrawn - After Issue
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Abstract
The utility model provides a size adjustable pretightning force adj. Tabular test piece anchor clamps of formula impact tester that drop hammer, applys module and base including the size adjusting module, the load that set gradually from top to bottom, and the base is the rectangle, and the base center is equipped with the vertical rectangle through -hole that runs through the base, size adjusting module includes quick chuck and four cursor slides, and four smooth upper -arm circumference become rectangle frameworks and every cursor slide all has one end to extend to the outside of rectangle framework, and the cursor slide lateral surface is equipped with a limit chute who extends along cursor slide length direction, and the cursor slide up end is located to quick chuck.
Description
Technical field
This utility model relates to material impact field tests, particularly relates to the pretightning force landing impact testing machine plate test coupon fixture of a kind of size adjustable。
Background technology
Along with the progress and development of science and technology, composite is more and more applied with the performance of its excellence, and the research of composite property also becomes the heat subject of scientific research circle simultaneously。Existing research finds that composite is more sensitive for foreign object impact, particularly after low velocity impact, material surface does not often significantly damage, and material internal has occurred in that the comparatively serious damage types such as the cracking of matrix, layering so that the performance of material is significantly weakened。Therefore, the test for sheet composition impact property is very necessary。In existing composite material impact test method, falling weight impact test is widely applied with its simple test principle, relatively low experimental cost and good test accuracy。
At present, although there being falling weight impact test fixture, but the boundary condition of test is set more single, can not well simulate real impact condition, the more important thing is that the board-like material of single size often can only be clamped by a fixture, once scantling changes, this fixture cannot use, and greatly improves the cost of test。
Utility model content
For the deficiencies in the prior art, this utility model provides the pretightning force landing impact testing machine plate test coupon fixture of a kind of size adjustable, various sizes of test specimen can be fixed, test specimen can be applied different service loads simultaneously and test, save experimentation cost。
Concrete technical scheme is: the pretightning force landing impact testing machine plate test coupon fixture of a kind of size adjustable, module and base is applied including the size adjustment module from top to bottom set gradually, load, base is rectangle, and base center is provided with the rectangular through-hole vertically running through base；Size adjustment module includes quick chuck and four cursor slides, the outside that four cursor slides surround rectangular box and each cursor slide all has one end to extend to rectangular box, cursor slide lateral surface is provided with the first limit sliding chutes extended along cursor slide length direction, and quick chuck is located at cursor slide upper surface；Load applies module and includes the fixing plate of four isosceles trapezoids and location pressure head, four fixing plates of isosceles trapezoid surround the middle rectangular flat with rectangular through-hole, the fixing plate of each isosceles trapezoid is equipped with gathering sill and the second limit sliding chutes, gathering sill is parallel with a waist of the fixing plate of its place isosceles trapezoid, and gathering sill on the fixing plate of adjacent isosceles trapezoid is not parallel, second limit sliding chutes is perpendicular to the base of the fixing plate of isosceles trapezoid, and the second limit sliding chutes is dovetail groove；Location pressure head is included briquetting and slide block, briquetting and slide block and is connected by adjusting bolt, and briquetting and the first limit sliding chutes are slidably connected, and slide block and the second limit sliding chutes are slidably connected；Cursor slide lower end is provided with slide key, and slide key and gathering sill are slidably connected, and the first limit sliding chutes is vertical with the second limit sliding chutes；Base upper surface is provided with the 3rd limit sliding chutes and the 4th limit sliding chutes, and the 3rd limit sliding chutes extends along base left and right directions, and the 4th limit sliding chutes extends along base fore-and-aft direction, and the 3rd limit sliding chutes and the 4th limit sliding chutes are mutually perpendicular to；The fixing plate lower end of two isosceles trapezoids being positioned at two ends, base left and right is equipped with the first boss being slidably connected with the 3rd limit sliding chutes, and is connected by the first screw rod between the fixing plate of two isosceles trapezoids at two ends, base left and right, and the first screw rod two ends are oppositely oriented；The fixing plate lower end of two isosceles trapezoids being positioned at base rear and front end is equipped with the second boss being slidably connected with the 4th limit sliding chutes, and is connected by the second screw rod between the fixing plate of two isosceles trapezoids in base rear and front end, and the second screw rod two ends are oppositely oriented。
Described first screw rod is located in the first boss；Described second screw rod is located in the second boss。
The described fixing plate of two isosceles trapezoids being positioned at base rear and front end is provided with two second screw rods。
This utility model low cost of manufacture, it is easy to operation, replicability is strong。
This utility model can be divided into two kinds of duties, impact without service load and have service load to impact, when doing without service load impact test, size according to test specimen makes slide key slide in gathering sill, thus regulating the position of four cursor slides respectively, then screw adjusting bolt to be fixed the position of four cursor slides respectively, utilize quick chuck to be fixed by test specimen simultaneously。
When carrying out having service load to impact, first this device is resetted, each parts are made to return to initial position, first screw rod and the second screw rod are connected with external driver device respectively, such as motor etc., then rotate the first screw rod and the second screw rod drives the fixing plate of four isosceles trapezoids to move to chassis outer side, make there is gap between the fixing plate of each isosceles trapezoid, thus producing mobile space when test specimen being stretched or compresses, then slide key is made to slide in gathering sill according to the size of test specimen, thus regulating the position of four cursor slides respectively, screw adjusting bolt again to be fixed the position of four cursor slides respectively, utilize quick chuck to be fixed by test specimen simultaneously, the first screw rod and the second screw rod is rotated according to actual needs before on-test, when test specimen needs tensile load, the fixing plate of four isosceles trapezoids is made to move to chassis outer side, the dynamic quick chuck motion of the fixing strip of isosceles trapezoid, thus test specimen is applied tensile load, the size of the adjustment of displacement tensile load according to the fixing plate of isosceles trapezoid；When test specimen needs compressive load, make the fixing plate of four isosceles trapezoids to base medial motion, the dynamic quick chuck motion of the fixing strip of isosceles trapezoid, the size thus test specimen is applied compressive load, according to the adjustment of displacement compressive load of the fixing plate of isosceles trapezoid。
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is Fig. 1 top view；
Fig. 3 is Fig. 1 right view；
Fig. 4 is this utility model location pressure head structure schematic diagram；
Fig. 5 is this utility model isosceles trapezoid fixed plate structure schematic diagram；
Fig. 6 is this utility model Sliding arm structure schematic diagram；
Fig. 7 is this utility model understructure schematic diagram。
Detailed description of the invention
As shown in Fig. 1～Fig. 7, a kind of pretightning force landing impact testing machine plate test coupon fixture of size adjustable, module and base 3 is applied including the size adjustment module from top to bottom set gradually, load, size adjustment module includes quick chuck 1 and four cursor slides 2, quick chuck 1 is prior art, the outside that four cursor slides 2 surround rectangular box and each cursor slide 2 all has one end to extend to rectangular box, cursor slide 2 lateral surface is provided with the first limit sliding chutes 331 extended along cursor slide 2 length direction, and quick chuck 1 is located at cursor slide 2 upper surface；Load applies module and includes the fixing plate of four isosceles trapezoids and location pressure head 4, four fixing plates of isosceles trapezoid surround the middle rectangular flat with rectangular through-hole, the fixing plate of each isosceles trapezoid is equipped with gathering sill 211 and the second limit sliding chutes 222, gathering sill 211 is parallel with a waist of the fixing plate of its place isosceles trapezoid, and gathering sill 211 on the fixing plate of adjacent isosceles trapezoid is not parallel, the second limit sliding chutes 222 is perpendicular to the base of the fixing plate of isosceles trapezoid；Location pressure head 4 is included briquetting 5 and slide block 6, briquetting 5 and slide block 6 and is connected by adjusting bolt 7, and briquetting 5 and the first limit sliding chutes 331 are slidably connected, and slide block 6 and the second limit sliding chutes 222 are slidably connected；Cursor slide 2 lower end is provided with slide key 332, and slide key 332 and gathering sill 211 are slidably connected, and the first limit sliding chutes 331 is vertical with the second limit sliding chutes 222；Base 3 upper surface is provided with the 3rd limit sliding chutes 11 and the 4th limit sliding chutes 12, and the 3rd limit sliding chutes 11 extends along base 3 left and right directions, and the 4th limit sliding chutes 12 extends along base 3 fore-and-aft direction, and the 3rd limit sliding chutes 11 and the 4th limit sliding chutes 12 are mutually perpendicular to；Fixing plate 13 lower end of two isosceles trapezoids being positioned at base about 3 two ends is equipped with the first boss 14 being slidably connected with the 3rd limit sliding chutes 11, and connected by the first screw rod 15 between the fixing plate 13 of two isosceles trapezoids at base about 3 two ends, first screw rod 15 two ends are oppositely oriented, when the first screw rod 15 rotates, two fixing plate 13 directions of motion of isosceles trapezoid are contrary；Fixing plate 16 lower end of two isosceles trapezoids being positioned at base 3 rear and front end is equipped with the second boss 17 being slidably connected with the 4th limit sliding chutes 12, and connected by the second screw rod 18 between two fixing plates 16 of isosceles trapezoid, second screw rod 18 two ends are oppositely oriented, when the second screw rod 18 rotates, two fixing plate 16 directions of motion of isosceles trapezoid are contrary。
Second limit sliding chutes 222 is dovetail groove, it is possible to provide vertical tension to slide block 6 better。
Base 3 is rectangle, and base 3 center is provided with the rectangular through-hole 19 vertically running through base 3；First screw rod 15 is located in the first boss 14, and the second screw rod 18 is located in the second boss 17, reduces the volume of this device, thus having saved manufacture material, reduces manufacturing cost。
The fixing plate of two isosceles trapezoids being positioned at base 3 rear and front end is provided with two second screw rods 18, the quantity of the first screw rod 15 and the second screw rod 18 can be selected according to practical situation, thus the driving device of varying number can be connected, meet this device and test specimen is applied the power of needs when tensile load or compressive load。
This utility model can be divided into two kinds of duties, impact without service load and have service load to impact, when doing without service load impact test, size according to test specimen makes slide key 332 slide in gathering sill 211, thus regulating the position of four cursor slides 2 respectively, then screw adjusting bolt 7 to be fixed the position of four cursor slides 2 respectively, utilize quick chuck 1 to be fixed by test specimen simultaneously。
When carrying out having service load to impact, first this device is resetted, each parts are made to return to initial position, first screw rod 15 and the second screw rod 18 are connected with external driver device respectively, such as motor etc., then rotate the first screw rod 15 and the second screw rod 18 drives the fixing plate of four isosceles trapezoids to base 3 movement outside, make there is gap between the fixing plate of each isosceles trapezoid, thus producing mobile space when test specimen being stretched or compresses, then slide key 332 is made to slide in gathering sill 211 according to the size of test specimen, thus regulating the position of four cursor slides 2 respectively, screw adjusting bolt 7 again to be fixed the position of four cursor slides 2 respectively, utilize quick chuck 1 to be fixed by test specimen simultaneously, the first screw rod 15 and the second screw rod 18 is rotated according to actual needs before on-test, when test specimen needs tensile load, make the fixing plate of four isosceles trapezoids to base 3 movement outside, the dynamic quick chuck 1 of the fixing strip of isosceles trapezoid moves, thus test specimen is applied tensile load, the size of the adjustment of displacement tensile load according to the fixing plate of isosceles trapezoid；When test specimen needs compressive load, making the fixing plate of four isosceles trapezoids to base 3 medial motion, the dynamic quick chuck 1 of the fixing strip of isosceles trapezoid moves, the size thus test specimen is applied compressive load, according to the adjustment of displacement compressive load of the fixing plate of isosceles trapezoid。
Above example is only in order to illustrative not limiting the technical solution of the utility model, although this utility model being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still this utility model can be modified or equivalent replacement, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model。
Claims (3)
1. the pretightning force landing impact testing machine plate test coupon fixture of a size adjustable, it is characterized in that: include the size adjustment module, load applying module and the base that from top to bottom set gradually, base is rectangle, and base center is provided with the rectangular through-hole vertically running through base；Size adjustment module includes quick chuck and four cursor slides, the outside that four cursor slides surround rectangular box and each cursor slide all has one end to extend to rectangular box, cursor slide lateral surface is provided with the first limit sliding chutes extended along cursor slide length direction, and quick chuck is located at cursor slide upper surface；Load applies module and includes the fixing plate of four isosceles trapezoids and location pressure head, four fixing plates of isosceles trapezoid surround the middle rectangular flat with rectangular through-hole, the fixing plate of each isosceles trapezoid is equipped with gathering sill and the second limit sliding chutes, gathering sill is parallel with a waist of the fixing plate of its place isosceles trapezoid, and gathering sill on the fixing plate of adjacent isosceles trapezoid is not parallel, second limit sliding chutes is perpendicular to the base of the fixing plate of isosceles trapezoid, and the second limit sliding chutes is dovetail groove；Location pressure head is included briquetting and slide block, briquetting and slide block and is connected by adjusting bolt, and briquetting and the first limit sliding chutes are slidably connected, and slide block and the second limit sliding chutes are slidably connected；Cursor slide lower end is provided with slide key, and slide key and gathering sill are slidably connected, and the first limit sliding chutes is vertical with the second limit sliding chutes；Base upper surface is provided with the 3rd limit sliding chutes and the 4th limit sliding chutes, and the 3rd limit sliding chutes extends along base left and right directions, and the 4th limit sliding chutes extends along base fore-and-aft direction, and the 3rd limit sliding chutes and the 4th limit sliding chutes are mutually perpendicular to；The fixing plate lower end of two isosceles trapezoids being positioned at two ends, base left and right is equipped with the first boss being slidably connected with the 3rd limit sliding chutes, and is connected by the first screw rod between the fixing plate of two isosceles trapezoids at two ends, base left and right, and the first screw rod two ends are oppositely oriented；The fixing plate lower end of two isosceles trapezoids being positioned at base rear and front end is equipped with the second boss being slidably connected with the 4th limit sliding chutes, and is connected by the second screw rod between the fixing plate of two isosceles trapezoids in base rear and front end, and the second screw rod two ends are oppositely oriented。
2. the pretightning force landing impact testing machine plate test coupon fixture of a kind of size adjustable as claimed in claim 1, it is characterised in that: described first screw rod is located in the first boss；Described second screw rod is located in the second boss。
3. the pretightning force landing impact testing machine plate test coupon fixture of a kind of size adjustable as claimed in claim 1, it is characterised in that: described in be positioned at the fixing plate of two isosceles trapezoids of base rear and front end and be provided with two second screw rods。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047716.1U CN205333412U (en) | 2016-01-15 | 2016-01-15 | Size adjustable pretightning force adj. tabular test piece anchor clamps of formula impact tester that drop hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047716.1U CN205333412U (en) | 2016-01-15 | 2016-01-15 | Size adjustable pretightning force adj. tabular test piece anchor clamps of formula impact tester that drop hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205333412U true CN205333412U (en) | 2016-06-22 |
Family
ID=56197597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047716.1U Withdrawn - After Issue CN205333412U (en) | 2016-01-15 | 2016-01-15 | Size adjustable pretightning force adj. tabular test piece anchor clamps of formula impact tester that drop hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205333412U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466768A (en) * | 2016-01-15 | 2016-04-06 | 郑州大学 | Pretightening drop-hammer type impact testing machine plate test piece fixture with size adjustable |
| CN107741356A (en) * | 2017-10-11 | 2018-02-27 | 河南理工大学 | The variable lower different scale break up coal rock pressure contracting carrying experimental provision of pretightning force effect |
| CN109269920A (en) * | 2018-08-02 | 2019-01-25 | 北矿科技股份有限公司 | It is a kind of for measuring the test device of multi-pole magnet-ring toughness |
-
2016
- 2016-01-15 CN CN201620047716.1U patent/CN205333412U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466768A (en) * | 2016-01-15 | 2016-04-06 | 郑州大学 | Pretightening drop-hammer type impact testing machine plate test piece fixture with size adjustable |
| CN107741356A (en) * | 2017-10-11 | 2018-02-27 | 河南理工大学 | The variable lower different scale break up coal rock pressure contracting carrying experimental provision of pretightning force effect |
| CN109269920A (en) * | 2018-08-02 | 2019-01-25 | 北矿科技股份有限公司 | It is a kind of for measuring the test device of multi-pole magnet-ring toughness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20171027 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20171027 |