CN208313705U - The Research in Fabric Shear test fixture of adjustable tension - Google Patents
The Research in Fabric Shear test fixture of adjustable tension Download PDFInfo
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- CN208313705U CN208313705U CN201820961226.1U CN201820961226U CN208313705U CN 208313705 U CN208313705 U CN 208313705U CN 201820961226 U CN201820961226 U CN 201820961226U CN 208313705 U CN208313705 U CN 208313705U
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Abstract
The utility model discloses a kind of Research in Fabric Shear test fixtures of adjustable tension, it includes gripper frame made of four gripper edges are successively hinged, the hinged vertex of a pair of gripper frame is externally provided with connector, the tensioning apparatus that can apply determining value of thrust is equipped with outside the gripper edge of one connection both sides of head, the tensioning apparatus includes metering frame, clamping plate and sliding block；Measuring frame includes metering arm and end plate, and metering arm is vertically connected at outside hinge side, and the outer end that end plate is located at metering arm is parallel with hinge side；Clamping plate is connected with hinge side, is located in gate plate；Sliding block is connected with end plate and relative position is adjustable；Clamping plate, sliding block are parallel with end plate, and multiple springs are equipped between clamping plate and sliding block.At a distance from being changed between gripping block by sliding block and the coefficient of elasticity of spring calculates and obtains determining value of thrust.And this fixture uses mechanical connection, without additional measuring equipment, without considering the excessively high problem of temperature.
Description
Technical field
The utility model relates to a kind of test fixture more particularly to a kind of fabric tension-shearing composite performance tests
Fixture.
Background technique
With the progress of society and economic development, composite material in every field using more and more extensive, in order to grind
Study carefully the application of braid material, it is necessary to which the performance for understanding material, for braided fabric, cutting performance forms braided material
Critically important one of parameter in the process.
Photo frame shear test fabric cutting performance is mostly used both at home and abroad at present, in order to adjust fabric original state, state
Inside and outside scholar increases fabric pre-tightening force adjusting device on the basis of conventional frame shear, for example is determined by cylinder
The value (CN201710238508.9) of tension is measured, or provides pretightning force by bolt and measures the value of pretightning force with sensor,
These methods can obtain preferable experiment effect, however these methods have certain limitation, such as need to be equipped with phase using cylinder
The gas source answered, and the tension that can apply is limited, if you need to obtain bigger tension, needs to change the cylinder of other ranges；According to
Tools for bolts ' pretension, the mode of sensor dynamometry improves experimental cost, and the above method can only carry out at normal temperature, it is difficult to apply
It is studied in influence of the temperature to thermoplasticity enhancing Laminated Shear Deformable performance.
Utility model content
The purpose of this utility model is to provide it is a kind of it is low in cost, use scope is wide and can determine applied adjustable
The Research in Fabric Shear test fixture of force value.
The Research in Fabric Shear test fixture of this adjustable tension provided by the utility model, it include four gripper edges according to
It is secondary it is hinged made of gripper frame, the hinged vertex of a pair of gripper frame is externally provided with connector, the clamping of a connection both sides of head
The tensioning apparatus that can apply determining value of thrust is equipped with outside side, the tensioning apparatus includes metering frame, clamping plate and sliding block；Metering
Frame includes metering arm and end plate, and metering arm is vertically connected at outside hinge side, and the outer end that end plate is located at metering arm is parallel with hinge side；
Clamping plate is connected with hinge side, is located in gate plate；Sliding block is connected with end plate and relative position is adjustable；Clamping plate, sliding block and end plate are equal
In parallel, multiple springs are equipped between clamping plate and sliding block.
In a specific embodiment, make the metering frame gate frame, including a pair of of side arm and one piece of end plate, side
Arm is equipped with scale as metering arm, in order to measure the stroke of sliding block.
Preferably, the sliding block is made to be connected with end plate by adjusting bolt, straight line is equipped between sliding block and adjusting bolt
Bearing will adjust the linear motion for being converted into sliding block of bolt.
In order to improve the stability of movement, passed through between the end plate and corresponding hinge side of the metering frame equipped with a pair
The guide rail of sliding block and clamping plate, two guide rails are arranged symmetrically about bolt is adjusted.
It is pre-tightened for the ease of realizing, so that the clamping plate is passed through a pair of of screw rod with corresponding hinge side and be connected, one end of screw rod
With clamping plate is affixed, the other end passes through hinge side, hinge side correspond to screw rod and is equipped with adjusting nut at position, presss from both sides in order to realize
The adjusting of plate initial position.
As the auxiliary plan for realizing preload, in the hinged vertex for not setting the hinge side two sides of the tensioning apparatus at one
It is equipped with buckle.
In a specific embodiment, four springs parallel with one another are equipped between the clamping plate and sliding block.
When the utility model is used, the opposite metering frame movement of control sliding block, slide block movement while, passes through spring pulling
Fixture block give fabric apply pulling force, can by calculate sliding block change between gripping block at a distance from and spring coefficient of elasticity it is true
Surely the value of thrust applied.This fixture can be acquired by spring deformation length and stiffness factor and be applied using mechanical connection
Pulling force reduces use cost without additional measuring equipment, while without the excessively high problem of temperature is considered, can apply
It is studied in influence of the temperature to thermoplasticity enhancing Laminated Shear Deformable performance；On the other hand it is provided without additional power source
The power of slide block movement, it is simple and convenient, and can further use at low cost.
Detailed description of the invention
Fig. 1 is the schematic top plan view of one preferred embodiment of the utility model.
Fig. 2 is the schematic side view of Fig. 1.
Illustrate serial number:
1-gripper frame, 11-gripper edges；
2-connectors；
3-tensioning apparatus, 31-metering frames, 32-clamping plates, 33-sliding blocks, 34-springs, 35-guide rails,
36-screw rods, 37-adjusting nuts, 38-adjust bolt；
4-buckles.
Specific embodiment
As shown in Figure 1, the Research in Fabric Shear test fixture of this adjustable tension provided in this embodiment, it includes clamping
Frame 1, connector 2 and tensioning apparatus 3, this fixture are made with high-strength aluminium, and total quality is small, facilitate the installation of experimenter.
Gripper frame 1 is hingedly formed by four gripper edges 11, and the hinged vertex of one pair of them is externally provided with to be filled for stretching with outside
Set the connector 2 of connection；The gripper edge of one of 2 two sides of connector is externally provided with the tensioning apparatus that can apply determining value of thrust
3, wherein buckle 4 is equipped in the hinged vertex of the hinge side two sides not with tensioning apparatus, when in order to realize fabric installation
It pre-tightens, guarantees the original state of fabric installation, improve test accuracy.
Tensioning apparatus 3 includes metering frame 31, clamping plate 32, sliding block 33 and spring 34；Metering frame 31 is gate frame, including a pair
Side arm and one piece of end plate, a side arm are equipped with scale as metering arm, and in order to measure the stroke of sliding block, metering arm is vertically connected
In outside corresponding hinge side, the outer end that end plate is located at metering arm is parallel with the hinge side, sets between end plate and corresponding hinge side
There is a pair of guide rail 35 for passing through sliding block and clamping plate, two guide rails are arranged symmetrically about bolt is adjusted, in order to improve the stabilization of movement
Property；Clamping plate 32 and end plate parallel arrangement are located in gate plate, and clamping plate 32 passes through a pair of of screw rod 36 with corresponding hinge side and is connected,
One end of screw rod and clamping plate is affixed, the other end passes through hinge side, hinge side correspond to screw rod at position equipped with adjusting nut 37,
In order to realize the adjusting of clamping plate initial position；Sliding block 33 and end plate are connected by adjusting bolt 38, sliding block and adjusting bolt it
Between be equipped with linear bearing and will adjust the linear motion for being converted into sliding block of bolt；Four are equipped between clamping plate 32 and sliding block 33
The spring 34 of a parallel arrangement, when use, can calculate Tensity size according to telescopic spring length, and can replace on demand not
With the spring of coefficient of elasticity.
When the present embodiment is in use, fabric to be tested is placed in gripper frame, one end passes through two buckle clampings, the other end
The relative position that clamping plate and hinge side are adjusted by screw rod and adjusting nut, realizes the preload of fabric；Then by adjusting bolt
It controls the opposite metering frame movement of sliding block, pulls fixture block to give fabric application pulling force, the value of thrust by spring while slide block movement
At a distance from being changed between gripping block by sliding block and the coefficient of elasticity of spring calculates.And this fixture is using mechanical
On the one hand connection is not necessarily to additional measuring equipment when in use, reduce excessively high without consideration temperature while use cost
Problem can be applied to influence of the temperature to thermoplasticity enhancing Laminated Shear Deformable performance and study；On the other hand without additional
Power source the power of slide block movement is provided, it is simple and convenient, and can further use at low cost.
Claims (7)
1. a kind of Research in Fabric Shear test fixture of adjustable tension, it includes clamping made of four gripper edges are successively hinged
Frame, the hinged vertex of a pair of gripper frame are externally provided with connector, are equipped with and can apply outside the gripper edge of a connection both sides of head
Add the tensioning apparatus of determining value of thrust, it is characterised in that: the tensioning apparatus includes metering frame, clamping plate and sliding block；Measure frame packet
Metering arm and end plate are included, metering arm is vertically connected at outside hinge side, and the outer end that end plate is located at metering arm is parallel with hinge side；Clamping plate
It is connected with hinge side, is located in gate plate；Sliding block is connected with end plate and relative position is adjustable；Clamping plate, sliding block are parallel with end plate,
Multiple springs are equipped between clamping plate and sliding block.
2. the Research in Fabric Shear test fixture of adjustable tension according to claim 1, it is characterised in that: the metering frame
For gate frame, including a pair of of side arm and one piece of end plate, a side arm is equipped with scale as metering arm, in order to measure the row of sliding block
Journey.
3. the Research in Fabric Shear test fixture of adjustable tension according to claim 1, it is characterised in that: the sliding block with
End plate is connected by adjusting bolt, is equipped with linear bearing between sliding block and adjusting bolt and is converted sliding block for the rotation for adjusting bolt
Linear motion.
4. the Research in Fabric Shear test fixture of adjustable tension according to claim 3, it is characterised in that: the metering frame
End plate and corresponding hinge side between be equipped with a pair of guide rail for passing through sliding block and clamping plate, two guide rails are about adjusting the symmetrical cloth of bolt
It sets.
5. the Research in Fabric Shear test fixture of adjustable tension according to claim 1, it is characterised in that: the clamping plate with
Corresponding hinge side passes through a pair of of screw rod and is connected, one end of screw rod and clamping plate is affixed, the other end passes through hinge side, and hinge side is corresponding
Screw rod, which passes through, is equipped with adjusting nut at position, in order to realize the adjusting of clamping plate initial position.
6. the Research in Fabric Shear test fixture of adjustable tension according to claim 1, it is characterised in that: one does not set institute
It states in the hinged vertex of the hinge side two sides of tensioning apparatus and is equipped with buckle.
7. the Research in Fabric Shear test fixture of adjustable tension according to claim 1, it is characterised in that: the clamping plate with
Four springs parallel with one another are equipped between sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820961226.1U CN208313705U (en) | 2018-06-21 | 2018-06-21 | The Research in Fabric Shear test fixture of adjustable tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820961226.1U CN208313705U (en) | 2018-06-21 | 2018-06-21 | The Research in Fabric Shear test fixture of adjustable tension |
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| Publication Number | Publication Date |
|---|---|
| CN208313705U true CN208313705U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820961226.1U Active CN208313705U (en) | 2018-06-21 | 2018-06-21 | The Research in Fabric Shear test fixture of adjustable tension |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432970A (en) * | 2021-08-09 | 2021-09-24 | 中国民航大学 | Flexible fabric impact test clamp and impact test device |
| CN113770763A (en) * | 2021-07-20 | 2021-12-10 | 沛县东明铸造有限公司 | Fixing device is used in production of mechanical equipment accessories |
-
2018
- 2018-06-21 CN CN201820961226.1U patent/CN208313705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770763A (en) * | 2021-07-20 | 2021-12-10 | 沛县东明铸造有限公司 | Fixing device is used in production of mechanical equipment accessories |
| CN113432970A (en) * | 2021-08-09 | 2021-09-24 | 中国民航大学 | Flexible fabric impact test clamp and impact test device |
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