CN206862764U - A kind of fixture for filamentary material tension test - Google Patents
A kind of fixture for filamentary material tension test Download PDFInfo
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- CN206862764U CN206862764U CN201720758658.8U CN201720758658U CN206862764U CN 206862764 U CN206862764 U CN 206862764U CN 201720758658 U CN201720758658 U CN 201720758658U CN 206862764 U CN206862764 U CN 206862764U
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Abstract
The utility model belongs to mechanical test technical field, disclose a kind of fixture for filamentary material tension test, identical including structure and centrosymmetric upper clamp and lower clamp, formed by jig main body and the directive wheel being installed on it, block, movable clip block, guide rail rod and ejector pin；Upper and lower two directive wheels have the public section of vertical direction and are divided into the public section both sides, two blocks are between two directive wheels and are in contact respectively with two directive wheels, formed between movable clip block and block simultaneously parallel with the public section of two directive wheels with the tangent clamping face of directive wheel, the clamping face；Movable clip block is promoted by ejector pin and is moved and spacing by guide rail rod.The utility model utilizes the wheel rim of the tangency location and directive wheel projection between directive wheel, and it will be clamped around the thread sample end of directive wheel by the frictional force between movable block and block, thread sample is found position reference, and ensure thread sample in experiment process only by the drawing force of vertical direction.
Description
Technical field
The utility model belongs to mechanical test technical field, is to be related to a kind of effective folder to filamentary material specifically
Hold, to carry out the fixture of the Material mechanics test such as stretching, creep, relaxation, fatigue.
Background technology
Draw wire fatigue is the problem of being commonly encountered in machinery, building, space flight, aviation, weaving.The tensile fatigue of material
Behavior directly influences steel wire rope in industry in straddle truck, the safe design of belt, life appraisal etc. in transmission system.Simultaneously
In textile industry, the tensile elasticity of silk thread fatigue and focal point, such as material can bear great pulling force and indeformable,
Ensure that textile appearance is not impaired etc..
Just because of these reasons so that filamentary material tensile fatigue turns into the focus of scientific research.Conventional filamentary material stretching
Test fixture is divided into two types：Sample directly is clamped by two jaws, or sample is wound by upper and lower two directive wheels.Make
The method clamped with jaw is not easy to ensure that the direction of specimen length direction and tensile force is consistent；And directive wheel winding sample
Method easily slided in the case where tensile force is big.Thus it is difficult to ensure that the accuracy of test data and result, and
And add the difficulty of experimenter's operating operation test.
Therefore, it is necessary on the basis of existing testing equipment, a kind of new clamping is developed for filamentary material sample
The fixture of filamentary material, so as to improve the accuracy of filamentary material test data, reduce experimenter and carry out filamentary material stretching
Operation difficulty during experiment, further promote the research to filamentary material fatigue behaviour in the fields such as machinery, building, weaving.
Utility model content
To be solved in the utility model is the bad technical problem of conventional filamentary material tensile test fixture clamping effect, and
A kind of fixture for filamentary material tension test is provided, it is crooked to ensure that thread sample does not occur by the wheel rim of directive wheel, around
The thread sample rear end for crossing directive wheel is clamped by the frictional force between movable clip block and block, so as to clamp filamentary material examination
Sample.
In order to solve the above-mentioned technical problem, the utility model is achieved by following technical scheme：
A kind of fixture for filamentary material tension test, including upper clamp and lower clamp, the upper clamp and
The lower clamp structure is identical and Central Symmetry, directive wheel, gear by jig main body and on the jig main body
Block, movable clip block, guide rail rod and ejector pin composition；
The jig main body includes mainboard and side plate, and the side plate is vertically installed in mainboard outer end side；
The directive wheel is fixed on the mainboard of the jig main body, and with its side plate homonymy；Upper clamp and lower clamp
Two directive wheels there is the public section of vertical direction and be divided into the public section both sides；
The block is fixed on the mainboard of the jig main body, and two blocks are located between two directive wheels simultaneously
It is in contact respectively with two directive wheels；The movable clip block is arranged on the outside of the block, the block and the movable clip block
Opposite face be clamping face, the clamping face and the directive wheel are tangent, while parallel with the public section of two directive wheels；Institute
The bearing that is provided centrally with the outside of movable clip block is stated, outside is provided at both ends with screwed hole；
The guide rail rod is set perpendicular to the clamping face, and its inner is threadedly connected to the bolt hole of the movable clip block,
Outer end passes through the through hole on the side plate of the jig main body；
The ejector pin is set perpendicular to the clamping face, and its inner is installed in the bearing of the movable clip block；The top
For pin provided with screw thread and through the screwed hole on the side plate of the jig main body, the ejector pin outer end is provided with handle；
Thread sample is stretched between two directive wheels during experiment, and one end is bypassed, separately by the directive wheel of upper clamp
One end is bypassed by the directive wheel of lower clamp, is clamped in the movable clip block and the gear around the thread sample end of directive wheel
Between block；Thread sample section between two directive wheels and the thread examination being clamped between the movable clip block and the block
Sample section at grade and is parallel to each other.
Preferably, the wheel rim that directive wheel both sides edge is conformed with, for being positioned to thread sample.
Preferably, the clamping face between the movable clip block and the block has anti-slip veins.
Preferably, the movable clip block is identical with the face shaping and size of the block.
The beneficial effects of the utility model are：
Fixture of the present utility model for filamentary material tension test, thread sample is broken and has locked or make using disk
The conventional thinking clamped with jaw, using the tangency location relation of directive wheel and the wheel rim of directive wheel projection, and it will bypass and lead
Clamped to the thread sample end of wheel by the frictional force between movable block and block, thread sample is found the same of position reference
When, ensure that thread sample, only by the drawing force of vertical direction, reduces the tangential force in other directions to axial direction in experiment process
The influence of tensile force, phenomena such as avoiding that crooked sideslip occurs, also efficiently solve filamentary material in experiment and easily break in holding position
The problem of splitting；So as to the accuracy and precision of guarantee test data, testing crew operation difficulty is reduced, improves testing crew operation
Efficiency.
Fixture of the present utility model for filamentary material tension test, the silk of different materials and different-diameter can be directed to
Shape sample is stretched, and thread sample convenient disassembly, without using other instruments, only needs manually rotated handle to install/tear open
Unload, therefore this fixture can carry out seriation popularization, the specimen size provided by user is customized, and the scope of application is very wide
It is general.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of filamentary material tensile test fixture provided by the utility model；
Fig. 2 is the front schematic view of filamentary material tensile test fixture provided by the utility model；
Fig. 3 is the side schematic view of filamentary material tensile test fixture provided by the utility model；
Fig. 4 is the dimensional structure diagram of jig main body；
Fig. 5 is the front schematic view of jig main body；
Fig. 6 is the side schematic view of jig main body；
Fig. 7 is the dimensional structure diagram of directive wheel；
Fig. 8 is the front schematic view of block；
Fig. 9 is the side schematic view of block；
Figure 10 is the front schematic view of movable clip block；
Figure 11 is the side schematic view of movable clip block；
Figure 12 is the front schematic view of guide rail rod；
Figure 13 is the front schematic view of ejector pin；
Figure 14 is the structural representation of handle.
In above-mentioned figure：1：Jig main body；2：Directive wheel；3：Sample；4：Movable clip block；5：Ejector pin；6：Block；7：Guide rail
Rod；8：Handle.
Embodiment
For content, feature and effect of the present utility model can be further appreciated that, following examples are hereby enumerated, and coordinate accompanying drawing
Describe in detail as follows：
As shown in Figure 1 to Figure 3, a kind of fixture for filamentary material tension test is present embodiments provided, based on experiment
Machine uses, main to include two directive wheel 2, two of jig main body 1, two activity folders for carrying out filamentary material tension test
The block 6 of ejector pin 5, two of block 4, two and four guide rail rods 7, these parts composition structure is identical and mutually forms center pair
Portion's fixture and lower clamp are much of, i.e., upper clamp and lower clamp are by a directive wheel 2, one of jig main body 1, one
The block 6 of ejector pin 5, one of movable clip block 4, one and two guide rail rods 7 form.
With reference to shown in Fig. 4 to Fig. 6, jig main body 1 is used for fixed and supporting guide wheel 2, movable clip block 4, ejector pin 5, block 6
With guide rail rod 7.Jig main body 1 includes mainboard and side plate, and mainboard and side plate are slab construction, and side plate is located at mainboard outer end side
And it is perpendicular with mainboard, the shape of mainboard and side plate does not limit, is processed into shape easy to operation.Upper clamp and
Two jig main bodies 1 of lower clamp are setting up and down and Central Symmetry, the mainboard of two jig main bodies 1 are generally aligned in the same plane.
With reference to shown in Fig. 7, directive wheel 2 is bolted on the mainboard of jig main body 1, and with the jig main body 1
Side plate is located at homonymy.Two directive wheels 2 of upper clamp and lower clamp have the public section of vertical direction, and two directive wheels
2 are divided into the vertical common tangent both sides, and the public section and two directive wheels 2 of upper clamp and lower clamp are tangent.So,
Can make thread sample between two directive wheels 2 vertically by axial tensile force in drawing process, and one end by
The directive wheel 2 of upper clamp is bypassed, the other end is bypassed by the directive wheel 2 of lower clamp and positioned.The both sides edge of directive wheel 2
The wheel rim being conformed with, wheel rim play positioning action to thread sample, phenomena such as preventing crooked sideslip.During tension test,
Thread sample is leaned against at the same side flange of two directive wheels 2, thread as reference plane positioning by the same side flange of two directive wheels 2
Sample, test accuracy is further improved, while reduce the operation difficulty of testing crew.
With reference to shown in Fig. 8 and Fig. 9, block 6 is bolted on the mainboard of jig main body 1 by upper and lower two, and block 6 is
Rectangular parallelepiped structure.Two blocks 6 are arranged between two directive wheels 2, and the directive wheel on jig main body 1 same with place respectively
2 Outboard Sections are in contact, so that thread sample can be directly held between block 6 and movable clip block 4 after bypassing directive wheel 2.
Movable clip block 4 is arranged at the outside of block 6, and the opposite face of block 6 and movable clip block 4 forms clamping face, the clamping face and the institute of block 6
The outside of directive wheel 2 of contact is tangent while parallel with the public section of two directive wheels 2.So, not only thread sample is led at two
To, only by the drawing force of vertical direction, thread sample end is also only stretched on clamping face by vertical direction between wheel 2
Active force, the influence of the tangential force to axial tensile force in other directions is avoided as far as possible, so as to ensure that thread sample is loaded
There was only vertical tensile force afterwards, significantly reduce test error.
With reference to shown in Figure 10 and Figure 11, movable clip block 4 is set in parallel in the phase in the outside of block 6, movable clip block 4 and block 6
Opposite is used to clamp the thread sample around directive wheel 2.The opposite face of movable clip block 4 and block 6 is equipped with anti-skidding twill, purpose
It is to improve clamping friction power, makes thread sample be not susceptible to slide in drawing process.The outward appearance chi of movable clip block 4 and block 6
It is very little identical, it is easy to clamp tighter and attractive in appearance during sample.The hole of the center of movable clip block 4 is assembling bearing hole, with bearing
Gap coordinates, and the groove equipped with hole back-up ring, prevents bearing from coming off.Movable clip block 4 is provided at both ends with screwed hole, with fixture master
The default through hole in side plate both ends of body 1 is concentric, and screwed hole is used to be fixedly connected with guide rail rod 7.
With reference to shown in Figure 12, two outer ends of guide rail rod 7 are optical axis, and the side plate both ends for being each passed through jig main body 1 are preset
Through hole, the side plate of jig main body 1 plays the role of positioning to guide rail rod 7.Two the inners of guide rail rod 7 are provided with screw thread, the screw thread point
Do not screw in the screwed hole at the both ends of movable clip block 4.By with movable clip block 4 be fixedly connected and side plate with jig main body 1
Be slidably connected, two guide rail rods 7 are set perpendicular to clamping face, to reach effectively spacing to the lateral displacement of movable clip block 4
Purpose.
With reference to shown in Figure 13 and Figure 14, ejector pin 5 is provided with screw thread, is connected with screwed hole in the middle part of the side plate of jig main body 1；Top
The inner bearing with movable clip block 4 of pin 5 is interference fitted, and ensures that bearing and ejector pin 5 fasten.Pass through the fixation with movable clip block 4
Connect and be threadedly coupled with the side plate of jig main body 1, ejector pin 5 sets perpendicular to clamping face and movable clip block 4 can be formed and push away
Power.Handle 8 is threaded onto the outer end of ejector pin 5, when rotational handle 8, because the side plate of ejector pin 5 and jig main body 1 is connected by screw thread
Connect, handle 8 drives ejector pin 5 to rotate and ejector pin 5 is promoted movable clip block 4 and be subjected to displacement to the direction of block 6, thread so as to clamp
Sample.
During experiment, thread sample is stretched between two directive wheels 2, and one end is bypassed by the directive wheel 2 of upper clamp, be another
End is bypassed by the directive wheel 2 of lower clamp, around directive wheel 2 thread sample end be clamped in movable clip block 4 and block 6 it
Between.Thread sample section and two thread sample areas being clamped between movable clip block 4 and block 6 between two directive wheels 2
Section at grade and is parallel to each other.
Fixture of the present utility model for filamentary material tension test, application method are as follows：
1) this fixture is installed on testing equipment；
2) by upper clamp and lower clamp centering；
3) two movable clip blocks 4 are unclamped respectively by handle, reserves the gap for placing thread sample；
4) by thread sample by bypassing two directive wheels 2 between upper clamp and lower clamp respectively, and by thread sample
End is positioned between movable clip block 4 and block 6；
5) thread sample is tensed, thread sample is abutted against in a side flange of directive wheel 2；
6) movable clip block 4 is promoted to clamp thread sample using handle；
7) start to test.
Although preferred embodiment of the present utility model is described above in conjunction with accompanying drawing, the utility model is not
Above-mentioned embodiment is confined to, above-mentioned embodiment is only schematical, is not restricted, ability
The those of ordinary skill in domain is not departing from invention objective and scope of the claimed protection feelings under enlightenment of the present utility model
Under condition, the specific conversion of many forms can also be made, these are belonged within the scope of protection of the utility model.
Claims (4)
1. a kind of fixture for filamentary material tension test, including upper clamp and lower clamp, it is characterised in that on described
Portion's fixture is identical with the lower clamp structure and Central Symmetry, by jig main body and leading on the jig main body
Formed to wheel, block, movable clip block, guide rail rod and ejector pin；
The jig main body includes mainboard and side plate, and the side plate is vertically installed in mainboard outer end side；
The directive wheel is fixed on the mainboard of the jig main body, and with its side plate homonymy；The two of upper clamp and lower clamp
The individual directive wheel has the public section of vertical direction and is divided into the public section both sides；
The block is fixed on the mainboard of the jig main body, and two blocks are located between two directive wheels and difference
It is in contact with two directive wheels；The movable clip block is arranged on the outside of the block, the phase of the block and the movable clip block
Opposite is clamping face, and the clamping face and the directive wheel are tangent, while parallel with the public section of two directive wheels；The work
Bearing is provided centrally with the outside of dynamic fixture block, outside is provided at both ends with screwed hole；
The guide rail rod is set perpendicular to the clamping face, and its inner is threadedly connected to the bolt hole of the movable clip block, outer end
Through hole through on the side plate of the jig main body；
The ejector pin is set perpendicular to the clamping face, and its inner is installed in the bearing of the movable clip block；The ejector pin is set
There is screw thread and through the screwed hole on the side plate of the jig main body, the ejector pin outer end is provided with handle；
Thread sample is stretched between two directive wheels during experiment, and one end is bypassed by the directive wheel of upper clamp, the other end
Bypassed by the directive wheel of lower clamp, around directive wheel thread sample end be clamped in the movable clip block and the block it
Between；Thread sample section between two directive wheels and the thread sample area being clamped between the movable clip block and the block
Section at grade and is parallel to each other.
A kind of 2. fixture for filamentary material tension test according to claim 1, it is characterised in that the directive wheel
The wheel rim that both sides edge is conformed with, for being positioned to thread sample.
A kind of 3. fixture for filamentary material tension test according to claim 1, it is characterised in that the activity folder
Clamping face between block and the block has anti-slip veins.
A kind of 4. fixture for filamentary material tension test according to claim 1, it is characterised in that the activity folder
Block is identical with the face shaping and size of the block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758658.8U CN206862764U (en) | 2017-06-27 | 2017-06-27 | A kind of fixture for filamentary material tension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758658.8U CN206862764U (en) | 2017-06-27 | 2017-06-27 | A kind of fixture for filamentary material tension test |
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| Publication Number | Publication Date |
|---|---|
| CN206862764U true CN206862764U (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720758658.8U Active CN206862764U (en) | 2017-06-27 | 2017-06-27 | A kind of fixture for filamentary material tension test |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167372A (en) * | 2017-06-27 | 2017-09-15 | 天津大学 | A kind of fixture for filamentary material tension test |
| CN110231234A (en) * | 2019-07-09 | 2019-09-13 | 中国科学院金属研究所 | Test the experimental provision of the two-way alternating bending of steel wire in high and low temperature environment |
| CN110231235A (en) * | 2019-07-09 | 2019-09-13 | 中国科学院金属研究所 | The experimental provision and experimental method of the two-way alternating bending of steel wire in a kind of test high and low temperature environment |
| CN112161864A (en) * | 2020-08-27 | 2021-01-01 | 西安泰力松新材料股份有限公司 | Stretching clamp for wire with special-shaped section and using method |
| CN112748001A (en) * | 2020-11-25 | 2021-05-04 | 浙江工业大学 | Tensile anchor clamps of fine rule and rope |
-
2017
- 2017-06-27 CN CN201720758658.8U patent/CN206862764U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167372A (en) * | 2017-06-27 | 2017-09-15 | 天津大学 | A kind of fixture for filamentary material tension test |
| CN110231234A (en) * | 2019-07-09 | 2019-09-13 | 中国科学院金属研究所 | Test the experimental provision of the two-way alternating bending of steel wire in high and low temperature environment |
| CN110231235A (en) * | 2019-07-09 | 2019-09-13 | 中国科学院金属研究所 | The experimental provision and experimental method of the two-way alternating bending of steel wire in a kind of test high and low temperature environment |
| CN112161864A (en) * | 2020-08-27 | 2021-01-01 | 西安泰力松新材料股份有限公司 | Stretching clamp for wire with special-shaped section and using method |
| CN112161864B (en) * | 2020-08-27 | 2024-05-14 | 西安泰力松新材料股份有限公司 | Stretching clamp for special-shaped section wire and use method |
| CN112748001A (en) * | 2020-11-25 | 2021-05-04 | 浙江工业大学 | Tensile anchor clamps of fine rule and rope |
| CN112748001B (en) * | 2020-11-25 | 2022-12-20 | 浙江工业大学 | Tensile anchor clamps of fine rule and rope |
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| CP02 | Change in the address of a patent holder |
Address after: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |
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Effective date of registration: 20220129 Address after: 229-8, No. 11, ligangyuan, Shuanggang Industrial Park, Shuanggang Town, Jinnan District, Tianjin 300350 Patentee after: Kyle measurement and control technology (Tianjin) Co.,Ltd. Address before: 300350 Haijing garden, Haihe Education Park, Jinnan, Tianjin, 135, Tianjin University. Patentee before: Tianjin University |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 Address after: Room 372, floor 3, building 1, No. 1000, zhenchen Road, Baoshan District, Shanghai 201900 Patentee after: Tuo Test Technology (Shanghai) Co.,Ltd. Address before: 229-8, No. 11, ligangyuan, Shuanggang Industrial Park, Shuanggang Town, Jinnan District, Tianjin 300350 Patentee before: Kyle measurement and control technology (Tianjin) Co.,Ltd. |