CN216349958U - Clamp device for fabric tensile test - Google Patents
Clamp device for fabric tensile test Download PDFInfo
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- CN216349958U CN216349958U CN202122461718.9U CN202122461718U CN216349958U CN 216349958 U CN216349958 U CN 216349958U CN 202122461718 U CN202122461718 U CN 202122461718U CN 216349958 U CN216349958 U CN 216349958U
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Abstract
The utility model discloses a clamp device for a fabric tensile test, which comprises a support piece, a driving piece, a guide piece, a first clamping piece and a second clamping piece, wherein the support piece is fixedly connected with the driving piece; the first clamping piece comprises a first clamping base, a first clamping piece and a second clamping piece, the first clamping base is fixedly arranged on the supporting piece, and the first clamping piece can be abutted against the second clamping piece so as to clamp the first end of the fabric; the second clamping piece comprises a second clamping base, a third clamping piece and a fourth clamping piece, and the third clamping piece can be abutted against the fourth clamping piece to clamp the second end of the fabric; winding holes for the fabric to penetrate through are formed in the second clamping piece and the fourth clamping piece; the driving piece can drive the second clamping piece to a first position where the fabric has a preset stretching rate; the guide can guide the second clamping member. The utility model at least comprises the following advantages: can keep the stability of the stretched fabric and reduce the defects of slippage and the like at the fixed position of the fabric.
Description
Technical Field
The utility model relates to the technical field of fabric test devices, in particular to a clamp device for a fabric tensile test.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The thickness is a basic physical parameter of the textile, and has important influence on the heat-moisture comfort performance, the ultraviolet resistance performance, the heat preservation performance, the heat conduction performance and the like of the textile.
In the field of thermal protection, thermal protection fabric is used as a good barrier for isolating human bodies from thermal environment, which can reduce heat transfer and delay skin burn time, and the quality of the performance of the thermal protection fabric directly influences the life safety and work efficiency of firemen. When a fireman works, the fabric is stretched or extruded to deform due to the action change of limbs and mechanical load, and contact and compression burns are generated, so that the heat transfer research of the thermal protection suit in the stretching and extruding deformation states is very important. The thickness of the fabric is not negligible as an important parameter in the heat transfer process, and since the state of the fabric after stretching and extrusion deformation is not easy to maintain and the thickness parameter is inconvenient to measure, it is necessary to provide a fixture device for a fabric stretching test, which uniformly stretches the fabric and maintains the state, and provides a proper guidance for the change of the basic performance of the fabric in the stretching and extrusion deformation state and the heat transfer mechanism.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the utility model.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the embodiment of the utility model provides a clamp device for a fabric tensile test, which can keep the stability of a stretched fabric and can reduce the defects of slippage and the like at the fixed position of the fabric.
The embodiment of the application discloses: a fixture device for a fabric tensile test, the fabric having a first end, a second end disposed opposite the first end, the fixture device comprising a support member, a drive member, a guide member, a first clamping member, and a second clamping member;
the first clamping piece comprises a first clamping base, a first clamping piece and a second clamping piece, wherein the first clamping piece and the second clamping piece are arranged on the first clamping base;
the second clamping piece comprises a second clamping base, a third clamping piece and a fourth clamping piece, the third clamping piece and the fourth clamping piece are arranged on the second clamping base, the second clamping base is arranged in a sliding mode relative to the supporting piece, and the third clamping piece can move towards the fourth clamping piece and is abutted against the fourth clamping piece so as to clamp the second end of the fabric;
wherein, the second clamping piece and the fourth clamping piece are both provided with winding holes for the fabric to penetrate through;
the driving piece can drive the second clamping piece to move relative to the first clamping piece along a first direction to a first position where the fabric has a preset stretching rate;
the guide piece and the driving piece are arranged in parallel, and the second clamping piece can be guided in the process of moving along the first direction.
Further, the support member includes a frame made of hard metal material, and the first clamping base is fixedly disposed on a first edge of the frame.
Further, the driving piece comprises a screw rod, the guide piece comprises a guide rod, the screw rod and the guide rod are all arranged on the frame in a penetrating mode after the second clamping base is arranged on the frame, and one end of the screw rod and one end of the guide rod are arranged on the first edge of the frame.
Further, the driving piece further comprises a hand-cranking disc, the screw rod is a trapezoidal screw rod, and the hand-cranking disc can be connected with one end of the trapezoidal screw rod to drive the trapezoidal screw rod to rotate around the axis of the trapezoidal screw rod.
Further, two adjacent frame edges of the frame can be detachably connected.
Further, the first clamping piece and the second clamping piece are in threaded connection and/or buckled connection, and the third clamping piece and the fourth clamping piece are in threaded connection and/or buckled connection.
Further, a detection piece capable of detecting the relative distance between the first clamping piece and the second clamping piece in the first direction is arranged on the supporting piece.
By means of the technical scheme, the utility model has the following beneficial effects: in the above manner, the first clamping piece and the second clamping piece are used in cooperation, so that the two opposite ends of the fabric can be effectively fixed, and the driving piece can be kept static when moving in place, so that the stretched fabric can be kept stable and maintained; when the two ends of the fabric are fixed, the first clamping piece is taken as an example, the fabric is arranged in the first clamping piece and the second clamping piece in a penetrating mode and then is arranged in the winding hole, so that the two ends of the fabric which are fixed when the fabric is stretched can be guaranteed not to slide basically after the first clamping piece and the second clamping piece are fixed, and the test accuracy is effectively improved.
In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall apparatus structure in an embodiment of the present invention;
fig. 2 is a partial structural schematic diagram in the embodiment of the present invention.
Reference numerals of the above figures: 1. a support member; 2. a guide member; 3. a first clamping member; 4. a second clamping member; 5. a winding hole; 6. a hand-operated tray; 7. a screw rod; 21. a first clamping base; 22. a first clip piece; 23. a second clip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 and 2, the present embodiment discloses a clamping device for a fabric tensile test, the fabric has a first end and a second end opposite to the first end, the clamping device comprises a supporting member 1, a driving member, a guiding member 2, a first clamping member 3 and a second clamping member 4;
the first clamping piece 3 comprises a first clamping base 21, a first clamping piece 22 and a second clamping piece 23, wherein the first clamping base 21 is arranged on the first clamping base 21, the first clamping base 21 is fixedly arranged on the support piece 1, and the first clamping piece 22 can move towards the second clamping piece 23 and is abutted against the second clamping piece 23 so as to clamp a first end of the fabric;
the second clamping piece 4 comprises a second clamping base, a third clamping piece and a fourth clamping piece, wherein the third clamping piece and the fourth clamping piece are arranged on the second clamping base;
wherein, the second clamping piece 23 and the fourth clamping piece are both provided with winding holes 5 for the fabric to penetrate through;
the driving part can drive the second clamping part 4 to move relative to the first clamping part 3 along a first direction to a first position where the fabric has a preset stretching rate;
the guide part 2 and the driving part are arranged in parallel, and the second clamping part 4 can be guided in the process that the second clamping part 4 moves along the first direction.
In the above manner, the first clamping piece 3 and the second clamping piece 4 are used in cooperation, so that the two opposite ends of the fabric can be effectively fixed, and the driving piece can be kept static when moving in place, so that the stretched fabric can be kept stable and maintained; when the two ends of the fabric are fixed, taking the first clamping piece 3 as an example, the fabric is arranged in the first clamping piece 22 and the second clamping piece 23 and then penetrates through the winding hole 5, so that the two fixed ends of the fabric can be ensured not to slide basically when the fabric is stretched after the first clamping piece 22 and the second clamping piece 23 are fixed, and the test accuracy is effectively improved.
In this embodiment, the supporting member 1 includes a frame made of hard metal material, and the frame is a rectangular body and has an avoidance space in the middle, so that the second clamping member 4 can effectively move. The frame made of the metal material can effectively improve the manufacturing hardness of the whole device, and the deformation phenomenon can not occur in the subsequent stretching process, so that the test accuracy is ensured. It is noted that two adjacent rims of the frame are detachably connected, so that the length of the rim can be adjusted to adapt to fabrics of different sizes.
The driving piece comprises a screw rod 7 and a hand-cranking disc 6, wherein the screw rod 7 is a trapezoidal screw rod 7. The trapezoidal screw rod 7 extends along the front-back direction and is transversely arranged on the frame. The guide 2 comprises guide rods which also extend in the front-rear direction and are arranged transversely on the frame. It is noted that the guide rod and the trapezoidal screw 7 are located in the same horizontal plane, and the guide rod is located on the left side of the trapezoidal screw 7. The hand-cranking plate 6 is located on the front side of the frame and can be connected with the trapezoidal screw 7 to drive the trapezoidal screw 7 to rotate around the axis of the trapezoidal screw 7.
First centre gripping base 21 is fixed to be set up on the frame limit of the rear side of frame, first clamping piece 22 and second clamping piece 23 are the sheet spare of cuboid form, first clamping piece 22 and second clamping piece 23 are just right setting along the upper and lower direction, first clamping piece 22 is located the top of second clamping piece 23. The first clip 22 and the second clip 23 are connected by screw threads and/or snap fit. Threaded holes are formed in the front end and the rear end of the first clamping piece 22, corresponding through holes for screws to pass through are formed in the two ends of the second clamping piece 23, corresponding threaded holes are also formed in the first clamping base 21, the screws sequentially pass through the through holes from bottom to top, threaded holes in the first clamping piece 22 and threaded holes in the first clamping base 21 are fixedly formed in the first clamping base 21 through nuts, the screws can drive the second clamping piece 23 to move upwards synchronously, the first clamping piece 22 is kept under the motionless condition, the second clamping piece 23 is abutted to the second clamping piece 23, and the locking action on the fabric is completed. Foretell mode of setting up can fix the first end of fabric effectively on the one hand, and on the other hand passes through the setting of winding hole 5, and the fabric both ends do not take place to slide when can guaranteeing to stretch, effectively increases experimental accuracy. The second clamping piece 4 has the same action as the first clamping piece 3, and can complete the fixation of the second end of the fabric.
It is worth noting that the second clamping piece 4 is located in an avoiding space of the frame, wherein the screw rod 7 and the guide rod extend in the front-back direction and are arranged on the frame transversely after penetrating through the second clamping base. Shaking the hand-cranking disc 6 through the tester to drive the screw rod 7 to rotate, the thread is arranged on the second clamping base on the screw rod 7, and the second clamping base can be driven to move in the front-back direction, so that the fabric can be stretched. It is noted that the support 1 is provided with a detecting member capable of detecting a relative distance between the first clamping member 3 and the second clamping member 4 in the first direction, and preferably, the detecting member includes a scale extending in the front-rear direction.
The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. A fixture device for a fabric tensile test, the fabric is provided with a first end and a second end opposite to the first end, and is characterized by comprising a support piece, a driving piece, a guide piece, a first clamping piece and a second clamping piece;
the first clamping piece comprises a first clamping base, a first clamping piece and a second clamping piece, wherein the first clamping piece and the second clamping piece are arranged on the first clamping base;
the second clamping piece comprises a second clamping base, a third clamping piece and a fourth clamping piece, the third clamping piece and the fourth clamping piece are arranged on the second clamping base, the second clamping base is arranged in a sliding mode relative to the supporting piece, and the third clamping piece can move towards the fourth clamping piece and is abutted against the fourth clamping piece so as to clamp the second end of the fabric;
wherein, the second clamping piece and the fourth clamping piece are both provided with winding holes for the fabric to penetrate through;
the driving piece can drive the second clamping piece to move relative to the first clamping piece along a first direction to a first position where the fabric has a preset stretching rate;
the guide piece and the driving piece are arranged in parallel, and the second clamping piece can be guided in the process of moving along the first direction.
2. The fixture apparatus for fabric tensile testing of claim 1, wherein said support member comprises a frame made of a hard metal material, and said first clamping base is fixedly disposed on a first edge of said frame.
3. The clamping device for fabric tensile testing according to claim 2, wherein said driving member comprises a lead screw, said guiding member comprises a guiding rod, said lead screw and said guiding rod are both disposed across said frame after passing through said second clamping base, and wherein one end of said lead screw and said guiding rod are disposed on a first side of said frame.
4. The fixture device for fabric tension test according to claim 3, wherein the driving member further comprises a hand-operated disc, the lead screw is a trapezoidal lead screw, and the hand-operated disc can be connected with one end of the trapezoidal lead screw to drive the trapezoidal lead screw to rotate around the axis of the trapezoidal lead screw.
5. The fixture apparatus for fabric tensile testing of claim 2, wherein adjacent two rims of said frame are removably attachable.
6. The clamp device for fabric tensile testing according to claim 1, wherein said first jaw is threadably and/or snap-fit connected to said second jaw, and said third jaw is threadably and/or snap-fit connected to said fourth jaw.
7. The jig apparatus for fabric tension testing as claimed in claim 1, wherein the support member is provided with a detecting member capable of detecting a relative distance of the first and second holding members in the first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461718.9U CN216349958U (en) | 2021-10-13 | 2021-10-13 | Clamp device for fabric tensile test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461718.9U CN216349958U (en) | 2021-10-13 | 2021-10-13 | Clamp device for fabric tensile test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216349958U true CN216349958U (en) | 2022-04-19 |
Family
ID=81175575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122461718.9U Active CN216349958U (en) | 2021-10-13 | 2021-10-13 | Clamp device for fabric tensile test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216349958U (en) |
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2021
- 2021-10-13 CN CN202122461718.9U patent/CN216349958U/en active Active
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