CN207717511U - Wire cable insulating testing of materials machine grip holder - Google Patents
Wire cable insulating testing of materials machine grip holder Download PDFInfo
- Publication number
- CN207717511U CN207717511U CN201721795024.6U CN201721795024U CN207717511U CN 207717511 U CN207717511 U CN 207717511U CN 201721795024 U CN201721795024 U CN 201721795024U CN 207717511 U CN207717511 U CN 207717511U
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- CN
- China
- Prior art keywords
- collet body
- threaded rod
- grip
- grip block
- lozenges
- Prior art date
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Abstract
The utility model discloses a kind of wire cable insulating testing of materials machine grip holders, collet body is internally provided with Y type cavitys, the cavity wall of Y type cavitys is made of lozenges and vertical plane, lozenges is slidably connected with wedge-shaped movable block, the medial surface of two wedge-shaped movable blocks is embedded with the second grip block, the first grip block being mutually parallel there are two being set between vertical plane, two the first grip blocks are connected by spring with corresponding vertical plane, the center of the one side of first grip block connecting spring is equipped with groove, on collet body, position corresponding with groove is equipped with through-hole, first threaded rod passes through through-hole, and it is threadedly coupled with collet body, one end of first threaded rod is stretched into Y type cavitys, the other end of first threaded rod stretches out outside collet body.The utility model can effective clamping test pieces, ensure test specimen experiment process uniform force, improve accuracy, the reliability of stretch test result.
Description
Technical field
The utility model belongs to material testing apparatus technical field, is related to a kind of wire cable insulating Material Testing Machine folder
Head.
Background technology
Standard GB/T/T 2951.11-2008《Cable and optical cable insulating and sheath material GENERAL EXPERIMENTATION the 11st
Point：Measurement-mechanical test of GENERAL EXPERIMENTATION-thickness and appearance and size》In " insulation and sheath material mechanicalness
Energy measurement method " is the insulation or sheath progress pull test to electric wire, and self-fastening chuck or non-self-tightening type to be used to press from both sides
Head carries out test measurement, and in actual tests, sample cannot be very effectively clamped in existing collet, and sample is in experiment process stress
It is uneven, the test result of standard requirement is not achieved.
The mechanical chuck of the universal material tester of each Material Testing Machine factory production both at home and abroad, uses by the short period
Afterwards, just not handy.When doing tension test, there is the phenomenon that sample can't clip, sample skids, the stress strain curve drawn has wave
It is dynamic, therefore certain error is brought to test result.The structure of the mechanical chuck of existing universal material tester, as shown in Figure 1,
Including clamp 3, β is the wedged gap of clamping plate 2, and operation principle is to press clamping plate 2 along β with the upper and lower in-migration pulling of mandril 4
Angularly upper both sides are opened, downward both sides close up, and realize bayonet 1 to specimen holder and absent-mindedness.Testing machine templin chuck is always edge
Wedged gap to be clamped and relaxed.If wedged gap takes higher value, bayonet amount of expansion is big, and test specimen is easy to be loaded
With dismounting, but poor in self.Test specimen is clamped, bayonet tooth should then pay larger cutting force, and such bayonet is easy for out
Existing " skidding ", " collapsing tooth " phenomenon, and bayonet decline.If wedged gap takes smaller value, although bayonet amount of expansion is small, folder
Head self-locking performance is strong, and test specimen is easy to clamp lock jail, and non-ferrous metal test specimen and soft test specimen is especially easy to clamp lock jail.So
And hold it is tighter, lock more firm, test specimen residuum dismounting it is more difficult.In consideration of it, some testing machines use hydraulic pressure templin chuck,
This could not only tackle the problem at its root, and occur the hydraulic cylinder easily new contradiction of leakage or permeability often instead.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of wire cable insulating testing of materials machine grip holder, effectively presss from both sides
Test specimen is held, ensures that test specimen in experiment process uniform force, improves accuracy, the reliability of stretch test result.
The utility model the technical scheme adopted is that a kind of wire cable insulating testing of materials machine grip holder, collet body
Y type cavitys are internally provided with, the cavity wall of Y type cavitys is made of lozenges and vertical plane, and lozenges is located at the top of vertical plane, wedge shape
The inclination angle in face is 55 °~65 °, and lozenges is slidably connected with wedge-shaped movable block, and multiple idler wheels, two wedges are uniformly provided on lozenges
The medial surface of shape movable block is embedded with the second grip block, and the clamping face of two the second grip blocks is mutually parallel, collet body it is upper
End is equipped with end cap, and end cap is threadedly coupled by the second threaded rod with wedge-shaped movable block；It is mutually parallel there are two being set between vertical plane
The first grip block, two the first grip blocks are connected by spring with corresponding vertical plane, the first grip block connecting spring
Center on one side is equipped with groove, on collet body, position corresponding with groove be equipped with through-hole, through-hole wall is equipped with screw thread, the
One threaded rod passes through through-hole and is threadedly coupled with collet body, and one end of the first threaded rod is stretched into Y type cavitys, the first threaded rod
The tip shapes and groove match of one end in Y type cavitys are stretched into, the other end of the first threaded rod stretches out outside collet body, the
One end that one threaded rod stretches out outside collet body is equipped with release handle, and the clamping face of the first grip block is equipped with elastic layer, the first folder
The side wall for holding plate is equipped with handle.
The utility model is further characterized in that further, the thickness of the elastic layer is 2-3mm.
The utility model has the beneficial effects that in use, to the right push right side the first grip block on handle, right side
First grip block compressed spring, two the first grip blocks being mutually parallel are opened, test specimen are put into, release handle, in spring
Lower first grip block of effect moves to left, and test specimen is clamped in advance, test specimen is convenient for disassembly and assembly laborsaving；The utility model using the first grip block,
The inclination angle of second grip block while clamping test pieces, lozenges is 55 °~65 °, and the amount of expansion of lozenges is relatively large, and test specimen is easy
It is loaded and dismantles, and can ensure enough chucking powers so that test specimen clamps lock jail, not will produce during tension test
" skidding " and " collapsing tooth " phenomenon, improves accuracy, the reliability of stretch test result；First grip block, the second grip block are
Ripple is not arranged for planar structure, after stretching when dismantling the residuum of test specimen, avoids the occurrence of " locked " phenomenon.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the mechanical chuck structural schematic diagram of universal material tester in background technology.
Fig. 2 is the structural schematic diagram of the utility model embodiment.
In figure, 1. bayonets, 2. clamping plates, 3. clamps, 4. mandrils, 5. collet bodies, 6. end caps, 7. lozenges, 8. vertical planes, 9.
First threaded rod, 10. release handles, 11. first grip blocks, 12.Y type cavitys, 13. elastic layers, 14. springs, 15. test specimens, 16. wedges
Shape movable block, 17. second grip blocks, 18. second threaded rods, 19. idler wheels, 20. grooves, 21. handles.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The structure of the utility model embodiment, as shown in Fig. 2, collet body 5 is internally provided with Y types cavity 12, Y types cavity 12
Cavity wall be made of lozenges 7 and vertical plane 8, lozenges 7 is located at the top of vertical plane 8, the inclination angle of lozenges 7 is 55 °~
65 °, lozenges 7 is slidably connected with wedge-shaped movable block 16, and multiple idler wheels 19 are uniformly provided on lozenges 7, reduces wedge-shaped movable block
Frictional force between 16 and lozenges 7；The medial surface of two wedge-shaped movable blocks 16 is embedded with the second grip block 17, two second
The clamping face of grip block 17 is mutually parallel, and the upper end of collet body 5 is equipped with end cap 6, and end cap 6 is moved by the second threaded rod 18 with wedge shape
Motion block 16 is threadedly coupled；It is set between vertical plane 8 there are two the first grip block 11 being mutually parallel, two the first grip blocks 11 are logical
Spring 14 to be crossed to connect with corresponding vertical plane 8, the center of the one side of 11 connecting spring 14 of the first grip block is equipped with groove 20,
On collet body 5, position corresponding with groove 20 be equipped with through-hole, through-hole wall is equipped with screw thread, and the first threaded rod 9 passes through through-hole, simultaneously
It is threadedly coupled with collet body 5, one end of the first threaded rod 9 is stretched into Y types cavity 12, and the first threaded rod 9 stretches into Y types cavity 12
The tip shapes of one end match with groove 20, the other end of the first threaded rod 9 stretches out outside collet body 5, the first threaded rod 9
The one end stretched out outside collet body 5 is equipped with release handle 10, and the clamping face of the first grip block 11 is equipped with elastic layer 13, elastic layer 13
Thickness be 2-3mm, improve the first grip block 11 clamping effect；The side wall of first grip block 11 is equipped with handle 21.
The operation principle of the utility model embodiment：In use, pushing the handle on first grip block 11 on right side to the right
21,11 compressed spring 14 of the first grip block on right side, two the first grip blocks 11 being mutually parallel open, and test specimen 15 is put into,
Release handle 21, under action from the spring 14 the first grip block 11 move to left, by test specimen 15 in advance clamp, 15 province convenient for disassembly and assembly of test specimen
Power；Two the second threaded rods 18 are adjusted simultaneously, push wedge-shaped movable block 16 to be moved down along lozenges 7, the second grip block 17 clamps examination
Part 15；Two release handles 10 are rotated simultaneously, and the end of the first threaded rod 9 is caught in groove 20, pushes corresponding first grip block
11 further clamp test specimen 15, and spring 14 makes 11 uniform clamping test pieces 15 of the first grip block, to ensure test specimen 15 when stretching
Uniform force；It is capable of the electric wire of clamping sizes；The utility model is same using the first grip block 11, the second grip block 17
When clamping test pieces 15, the inclination angle of lozenges 7 is 55 °~65 °, and the amount of expansion of lozenges 7 is relatively large, test specimen 15 be easy to be loaded with
Dismounting, and can ensure enough chucking powers so that test specimen 15 clamps lock jail in drawing process, not will produce " skiddings " and
" collapsing tooth " phenomenon improves accuracy, the reliability of stretch test result；First grip block 11, the second grip block 17 are plane
Ripple is not arranged for structure, after stretching when dismantling the residuum of test specimen 15, avoids the occurrence of " locked " phenomenon.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment including a series of elements includes not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality
With in novel protection domain.
Claims (2)
1. a kind of wire cable insulating testing of materials machine grip holder, which is characterized in that including collet body (5), the inside of collet body (5)
Equipped with Y types cavity (12), the cavity wall of Y types cavity (12) is made of lozenges (7) and vertical plane (8), and lozenges (7) is located at vertical
The inclination angle of the top in face (8), lozenges (7) is 55 °~65 °, and lozenges (7) is slidably connected with wedge-shaped movable block (16), wedge shape
Multiple idler wheels (19) are uniformly provided on face (7), the medial surface of two wedge-shaped movable blocks (16) is embedded with the second grip block (17),
The clamping face of two the second grip blocks (17) is mutually parallel, and the upper end of collet body (5) is equipped with end cap (6), and end cap (6) passes through second
Threaded rod (18) is threadedly coupled with wedge-shaped movable block (16)；The first grip block being mutually parallel there are two being set between vertical plane (8)
(11), two the first grip blocks (11) are connected by spring (14) with corresponding vertical plane (8), the first grip block (11) connection
The center of the one side of spring (14) is equipped with groove (20), and on collet body (5), position corresponding with groove (20) is equipped with and leads to
Hole, through-hole wall are equipped with screw thread, and the first threaded rod (9) passes through through-hole and is threadedly coupled with collet body (5), the first threaded rod (9)
One end stretch into Y types cavity (12), the first threaded rod (9) stretches into the tip shapes and groove of one end in Y types cavity (12)
(20) match, the other end of the first threaded rod (9) stretches out collet body (5) outside, and the first threaded rod (9) stretches out collet body (5)
External one end is equipped with release handle (10), and the clamping face of the first grip block (11) is equipped with elastic layer (13), the first grip block
(11) side wall is equipped with handle (21).
2. a kind of wire cable insulating testing of materials machine grip holder according to claim 1, which is characterized in that elastic layer (13)
Thickness be 2-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795024.6U CN207717511U (en) | 2017-12-20 | 2017-12-20 | Wire cable insulating testing of materials machine grip holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795024.6U CN207717511U (en) | 2017-12-20 | 2017-12-20 | Wire cable insulating testing of materials machine grip holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207717511U true CN207717511U (en) | 2018-08-10 |
Family
ID=63056899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721795024.6U Expired - Fee Related CN207717511U (en) | 2017-12-20 | 2017-12-20 | Wire cable insulating testing of materials machine grip holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207717511U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975112A (en) * | 2019-04-04 | 2019-07-05 | 北京工业大学 | A kind of more sized nanostructures impression sample tables and related experimental methods |
| CN110216727A (en) * | 2019-05-24 | 2019-09-10 | 常州市盛士达汽车空调有限公司 | A kind of pipe fitting chipless cutting equipment |
| CN110980300A (en) * | 2020-03-05 | 2020-04-10 | 蓝思智能机器人(长沙)有限公司 | Plate carrier and glass conveying system |
| CN111025499A (en) * | 2019-11-27 | 2020-04-17 | 国网山东省电力公司惠民县供电公司 | Combined type fixing and clamping device for electric power communication optical cable |
| CN111665120A (en) * | 2020-04-24 | 2020-09-15 | 清华大学 | Sliding table mechanism |
| CN113340721A (en) * | 2021-06-07 | 2021-09-03 | 泉州永盛工程质量检测有限公司 | Electronic universal testing machine and testing clamp thereof |
| CN113447352A (en) * | 2021-06-28 | 2021-09-28 | 陕西大工旭航电磁科技有限公司 | Electromagnetic loading novel medium strain rate impact tensile test system and test method thereof |
| CN115876574A (en) * | 2023-03-02 | 2023-03-31 | 广州市信征汽车零件有限公司 | High-voltage wire harness tension detection device |
-
2017
- 2017-12-20 CN CN201721795024.6U patent/CN207717511U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975112A (en) * | 2019-04-04 | 2019-07-05 | 北京工业大学 | A kind of more sized nanostructures impression sample tables and related experimental methods |
| CN110216727A (en) * | 2019-05-24 | 2019-09-10 | 常州市盛士达汽车空调有限公司 | A kind of pipe fitting chipless cutting equipment |
| CN111025499A (en) * | 2019-11-27 | 2020-04-17 | 国网山东省电力公司惠民县供电公司 | Combined type fixing and clamping device for electric power communication optical cable |
| CN110980300A (en) * | 2020-03-05 | 2020-04-10 | 蓝思智能机器人(长沙)有限公司 | Plate carrier and glass conveying system |
| CN110980300B (en) * | 2020-03-05 | 2020-06-02 | 蓝思智能机器人(长沙)有限公司 | Plate carrier and glass conveying system |
| CN111665120A (en) * | 2020-04-24 | 2020-09-15 | 清华大学 | Sliding table mechanism |
| CN113340721A (en) * | 2021-06-07 | 2021-09-03 | 泉州永盛工程质量检测有限公司 | Electronic universal testing machine and testing clamp thereof |
| CN113447352A (en) * | 2021-06-28 | 2021-09-28 | 陕西大工旭航电磁科技有限公司 | Electromagnetic loading novel medium strain rate impact tensile test system and test method thereof |
| CN115876574A (en) * | 2023-03-02 | 2023-03-31 | 广州市信征汽车零件有限公司 | High-voltage wire harness tension detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Guiping Inventor after: Li Linshu Inventor after: Xiao Zhiyong Inventor after: Li Lin Inventor after: Wang Yuewei Inventor before: Lu Guiping |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20191220 |