CN206756371U - A kind of testing stand of sensor experiment device - Google Patents
A kind of testing stand of sensor experiment device Download PDFInfo
- Publication number
- CN206756371U CN206756371U CN201621446321.5U CN201621446321U CN206756371U CN 206756371 U CN206756371 U CN 206756371U CN 201621446321 U CN201621446321 U CN 201621446321U CN 206756371 U CN206756371 U CN 206756371U
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- elastomer
- screwed hole
- bottom plate
- testing stand
- bolt
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Abstract
The utility model belongs to metal foil strain gauge performance study technical field, more particularly to a kind of testing stand of sensor experiment device, including bottom plate and elastomer, bottom plate and elastomer are provided with C-shaped support chip, the first bolt is provided with first screwed hole and the 3rd screwed hole, the second bolt is provided with second screwed hole and the 4th screwed hole, four L-shaped fasteners are equipped with the middle part of elastomer up and down, L-shaped fastener and elastic body by integral forming, the right-hand member upper surface of elastomer is integrally formed with pallet post, pallet is shelved with pallet post, elastomer is integrally formed with limit Cheng Zhu in the lower surface of close pallet post, Cheng Zhu underface is limited in being provided with pressure sensor on bottom plate.The purpose is to：The both sides up and down that metal foil strain gauge is directly attached to elastomer be present in the Test-bed Design defect used in existing metal foil strain gauge experimental provision, when metal foil strain gauge is with elastomer deformation, metal foil strain gauge due to paste insecure and testing stand built on the sand, so as to influence the accuracy of experimental result.
Description
Technical field
The utility model belongs to metal foil strain gauge performance study technical field, and in particular to a kind of sensor experiment device
Testing stand.
Background technology
When mechanically deform occurs under external force for resistance wire, its resistance value changes, here it is resistance strain effect,
Description resistance strain effect relational expression be：Δ R/R=K ε, to be that resistance wire resistance is relative change Δ R/R in formula, and K is strain spirit
Quick coefficient, ε=Δ l/l, which is that resistance wire length is relative, to be changed.Metal foil stain gauge is exactly to be made up of techniques such as photoetching, corrosion
Strain sensitive component.
Metal foil strain gauge performance study, it is to rely on the testing stand with sensor to complete, existing metal foil should
Become the Test-bed Design defect used in piece experimental provision and the both sides up and down that metal foil strain gauge is directly attached to elastomer be present, when
When metal foil strain gauge is with elastomer deformation, metal foil strain gauge due to paste insecure and testing stand built on the sand, so as to influence
The accuracy of experimental result.
Utility model content
The purpose of the utility model is：A kind of testing stand of sensor experiment device is aimed to provide, for solving existing gold
Metal foil strain gauge is directly attached to the upper and lower of elastomer by the Test-bed Design defect presence used in category foil strain gauge experimental provision
Both sides, when metal foil strain gauge is with elastomer deformation, metal foil strain gauge due to paste insecure and testing stand built on the sand, from
And the problem of influenceing the accuracy of experimental result.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
A kind of testing stand of sensor experiment device, including bottom plate and elastomer, the upper left face of the bottom plate are provided with two
Two the second screwed holes are arranged below in first screwed hole, a left side for the elastomer, and the bottom plate and elastomer support provided with C-shaped
Piece, the C-shaped support chip are provided with the 3rd screwed hole in the first screwed hole corresponding position, and the C-shaped support chip is in the second screwed hole pair
The 4th screwed hole should be located to be provided with, be provided with the first bolt in first screwed hole and the 3rd screwed hole, second screwed hole with
The second bolt is provided with 4th screwed hole, four L-shaped fasteners, the L-shaped fastener and bullet are equipped with up and down in the middle part of the elastomer
Property body by integral forming, the L-shaped fastener be divided into two groups and be inverted opposition set, the right-hand member upper surface of the elastomer is integrally set
There is pallet post, pallet is shelved with the pallet post, the elastomer is integrally formed with limit Cheng Zhu in the lower surface of close pallet post,
The underface of the limit Cheng Zhu is in being provided with pressure sensor on bottom plate.
Using the utility model of above-mentioned technical proposal, bottom plate is kept flat be placed on experimental bench first, then pass through the first spiral shell
Bottom plate and elastomer are fixedly mounted for bolt and the second bolt, and two pieces of metal foil strain gauges are then inserted into four L-shaped up and down respectively
Clamping is carried out among fastener, is tested, makes elastomer deformation by containing weight into pallet, the deformation of elastomer makes metal
Foil strain gauge follows deformation, when elastomer is bent downwardly, the pressure sensitive face of Cheng Zhu contact pressure sensors is limited, by with changing
Weight size, different deformation is obtained, so that pressure sensor draws different numerical value, finally carry out comparing calculation and analyze
Go out experimental result.The testing stand is provided with four L-shaped fasteners in elastomer upper and lower surface and carries out clamping to metal foil strain gauge
It is spacing, metal foil strain gauge is effectively consolidated, while bottom plate, C-shaped support are fixedly connected with by the first bolt and the second bolt
Piece and elastomer, stabilized structure, the accuracy of experiment is ensured, be adapted to promoting the use for experiment.
Further limiting, the limit Cheng Zhu outsourcings are provided with spring, and the upper end of the spring is fixedly connected with elastomer bottom surface,
Such structure design, spring contact pressure sensor, the deformation for making elastomer slowly stablize, it can effectively reduce experiment and miss
Difference, so as to improve the accuracy of experiment.
Further limit, the lower end of the spring is integrally formed with steady packing ring, such structure design, ensured spring with
The uniform extruding of pressure sensor, the pressure signal for receiving pressure sensor change more steady.
Further limit, the bottom plate lower surface is provided with symmetrical square rubber pad, and such structure design is convenient
Experimenter steadily shelves its testing stand, bottom plate is not directly contacted with experimental bench plane, avoids bottom plate from being rubbed with experimental bench plane
Wear bad bottom plate etc..
Further limit, first bolt and the second bolt are hexagon-headed bolt, such structure design, convenient real
Test assembling of the personnel to its testing stand.
Brief description of the drawings
The utility model can be further illustrated by the nonlimiting examples that accompanying drawing provides；
Fig. 1 is a kind of dimensional structure diagram of the testing stand embodiment of sensor experiment device of the utility model；
Fig. 2 is a kind of main structure diagram of the testing stand embodiment of sensor experiment device of the utility model；
Main element symbol description is as follows：
Bottom plate 1, square rubber pad 11, pressure sensor 2, C-shaped support chip 3, the first bolt 31, the second bolt 32, elasticity
Body 4, L-shaped fastener 41, pallet 5, pallet post 51, limit Cheng Zhu 6, spring 7, steady packing ring 71.
Embodiment
In order that the utility model may be better understood in those skilled in the art, it is right with reference to the accompanying drawings and examples
Technical solutions of the utility model further illustrate.
As depicted in figs. 1 and 2, the testing stand of a kind of sensor experiment device of the present utility model, including bottom plate 1 and elasticity
Body 4, the upper left face of bottom plate 1 are provided with two the first screwed holes, and two the second screwed holes, the He of bottom plate 1 is arranged below in a left side for elastomer 4
Elastomer 4 is provided with C-shaped support chip 3, and C-shaped support chip 3 is provided with the 3rd screwed hole in the first screwed hole corresponding position, C-shaped support chip 3 in
Second screwed hole corresponding position is provided with the 4th screwed hole, and the first bolt 31, the second spiral shell are provided with the first screwed hole and the 3rd screwed hole
The second bolt 32 is provided with pit and the 4th screwed hole, the middle part of elastomer 4 is equipped with four L-shaped fasteners 41, L-shaped fastener 41 up and down
It is integrally formed with elastomer 4, L-shaped fastener 41, which is divided into two groups and is inverted opposition, to be set, and the right-hand member upper surface of elastomer 4 is integrally set
There is pallet post 51, pallet 5 is shelved with pallet post 51, elastomer 4 is integrally formed with limit Cheng Zhu in the lower surface of close pallet post 51
6, Cheng Zhu 6 underface is limited in being provided with pressure sensor 2 on bottom plate 1.
Preferably, the limit outsourcings of Cheng Zhu 6 are provided with spring 7, and the upper end of spring 7 is fixedly connected with the bottom surface of elastomer 4, such knot
Structure designs, and the contact pressure sensor 2 of spring 7, the deformation for making elastomer 4 slowly stablize, can effectively reduce experimental error, so as to
Improve the accuracy of experiment.In fact, can also the deformation for making elastomer 4 slowly stablize, energy be considered according to actual concrete condition
Effectively reduce experimental error, so as to improve the other structures form of the accuracy of experiment.
Preferably, the lower end of spring 7 is integrally formed with steady packing ring 71, such structure design, has ensured spring 7 and pressure
The uniform extruding of sensor 2, the pressure signal for receiving pressure sensor 2 change more steady.In fact, it can also design it
His structure has ensured the uniform extruding of spring 7 and pressure sensor 2, the pressure signal change that receives pressure sensor 2
Must be more steady, for example square cushion block is set in the lower end of spring 7.
Preferably, the lower surface of bottom plate 1 is provided with symmetrical square rubber pad 11, such structure design, convenient experiment
Personnel steadily shelve its testing stand, bottom plate 1 is not directly contacted with experimental bench plane, avoid bottom plate 1 and experimental bench planar friction
Damage bottom plate etc..In fact, other structures can be also designed to realize that bottom plate 1 and experimental bench plane are steadily shelved and avoided to testing stand
The situation of friction damage bottom plate, for example rubber spacer directly is set in the lower surface of bottom plate 1.
Preferably, the first bolt 31 and the second bolt 32 are hexagon-headed bolt, such structure design, convenient to test people
Assembling of the member to its testing stand.In fact, also it can consider to facilitate experimenter to its testing stand according to actual concrete condition
The other structures form of assembling.
In the present embodiment, bottom plate 1 is kept flat be placed on experimental bench first, then pass through the first bolt 31 and the second bolt 32
Bottom plate 1 and elastomer 4 are fixedly mounted, then inserted two pieces of metal foil strain gauges among four L-shaped fasteners 41 up and down respectively
Clamping is carried out, is tested, makes elastomer deformation by containing weight into pallet 5, the deformation of elastomer 4 makes metal foil strain
Piece follows deformation, when elastomer 4 is bent downwardly, the pressure sensitive face of the contact pressure sensors 2 of Cheng Zhu 6 is limited, by with changing weight
Thing size, different deformation is obtained, so that pressure sensor 2 draws different numerical value, finally carry out comparing calculation and analyze
Go out experimental result.The testing stand is provided with four L-shaped fasteners 41 to metal foil strain gauge card in the upper and lower surface of elastomer 4
It is tight spacing, metal foil strain gauge is effectively consolidated, while bottom plate 1, C are fixedly connected with the second bolt 32 by the first bolt 31
Shape support chip 3 and elastomer 4, stabilized structure, the accuracy of experiment is ensured, be adapted to promoting the use for experiment.
The merely exemplary explanation of above-described embodiment principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, all those of ordinary skill in the art are without departing from the spirit disclosed in the utility model
With all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (5)
1. a kind of testing stand of sensor experiment device, including bottom plate (1) and elastomer (4), it is characterised in that：The bottom plate
(1) upper left face is provided with two the first screwed holes, and two the second screwed holes, the bottom is arranged below in a left side for the elastomer (4)
Plate (1) and elastomer (4) are provided with C-shaped support chip (3), and the C-shaped support chip (3) is provided with the 3rd spiral shell in the first screwed hole corresponding position
Pit, the C-shaped support chip (3) are provided with the 4th screwed hole, first screwed hole and the 3rd spiral shell in the second screwed hole corresponding position
The first bolt (31) is provided with pit, the second bolt (32), the elasticity are provided with second screwed hole and the 4th screwed hole
Four L-shaped fasteners (41) are equipped with up and down in the middle part of body (4), the L-shaped fastener (41) is integrally formed with elastomer (4), the L-shaped
Fastener (41), which is divided into two groups and is inverted opposition, to be set, and the right-hand member upper surface of the elastomer (4) is integrally formed with pallet post (51),
Pallet (5) is shelved with the pallet post (51), the elastomer (4) is integrally formed with limit in the lower surface close to pallet post (51)
Cheng Zhu (6), the underface of the limit Cheng Zhu (6) is in being provided with pressure sensor (2) on bottom plate (1).
A kind of 2. testing stand of sensor experiment device according to claim 1, it is characterised in that：The limit Cheng Zhu (6)
Outsourcing is provided with spring (7), and the upper end of the spring (7) is fixedly connected with elastomer (4) bottom surface.
A kind of 3. testing stand of sensor experiment device according to claim 2, it is characterised in that：The spring (7)
Lower end is integrally formed with steady packing ring (71).
A kind of 4. testing stand of sensor experiment device according to claim 3, it is characterised in that：Under the bottom plate (1)
End face is provided with symmetrical square rubber pad (11).
A kind of 5. testing stand of sensor experiment device according to claim 4, it is characterised in that：First bolt
(31) and the second bolt (32) is hexagon-headed bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446321.5U CN206756371U (en) | 2016-12-27 | 2016-12-27 | A kind of testing stand of sensor experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446321.5U CN206756371U (en) | 2016-12-27 | 2016-12-27 | A kind of testing stand of sensor experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206756371U true CN206756371U (en) | 2017-12-15 |
Family
ID=60608135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621446321.5U Expired - Fee Related CN206756371U (en) | 2016-12-27 | 2016-12-27 | A kind of testing stand of sensor experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206756371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082034A (en) * | 2019-05-21 | 2019-08-02 | 湖南科技大学 | A kind of more support chain test experimental beds and test method for layout optimization |
-
2016
- 2016-12-27 CN CN201621446321.5U patent/CN206756371U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082034A (en) * | 2019-05-21 | 2019-08-02 | 湖南科技大学 | A kind of more support chain test experimental beds and test method for layout optimization |
| CN110082034B (en) * | 2019-05-21 | 2021-02-12 | 湖南科技大学 | Multi-support chain test experiment table for layout optimization and test method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20181227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |