CN207717863U - The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device - Google Patents
The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device Download PDFInfo
- Publication number
- CN207717863U CN207717863U CN201820156375.0U CN201820156375U CN207717863U CN 207717863 U CN207717863 U CN 207717863U CN 201820156375 U CN201820156375 U CN 201820156375U CN 207717863 U CN207717863 U CN 207717863U
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- China
- Prior art keywords
- drive mechanism
- clamp arm
- screw drive
- groove body
- cylinder
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Abstract
The utility model discloses a kind of contact resistances adjusting holding area and quantity based on pressure to test clamping device, including babinet, the first screw drive mechanism, the first clamp arm, the second screw drive mechanism, the second clamp arm, third screw drive mechanism, third clamp arm, the 4th screw drive mechanism, sample groove body, upper cover and bottom cover, the first screw drive mechanism and the second screw drive mechanism are separately connected the first clamp arm and the second clamp arm；Third screw drive mechanism connects third clamp arm；Movable plate and the 4th screw drive mechanism are set on the second clamp arm；The top surface of babinet is provided with the groove body mouth of installation sample groove body, and multiple inserting-plate holes that wall box is equipped with inserted sheet and is matched therewith position the height of sample groove body by inserted sheet and inserting-plate hole.The utility model can realize that the test button of clamping different area and different the piece numbers carries out contact resistance test, replace fixture without frequent, high recycling rate is simple in structure, has a extensive future, easy to spread.
Description
Technical field
The utility model belongs to superconductor technology field more particularly to a kind of adjusting connecing for holding area and quantity based on pressure
Get an electric shock resistance test clamping device.
Background technology
Contact resistance is the resistance presented between conductor, in the test process of contact resistance, can often use contact electricity
Clamping device is hindered, which is mainly used for realizing the connection of test electrode and forcing press.
The test button that existing contact resistance clamping device can only grip area, fix the piece number, and for measuring
When the test button of different area and different number, then it cannot be realized by single fixture, need the area according to test specimens
Fixture is frequently replaced with quantity, on the one hand so that the repeatable utilization rate of contact resistance fixture is low, on the other hand can also be increased
Make the cost of fixture.
Utility model content
The purpose of this utility model is to provide a kind of contact resistance tests adjusting holding area and quantity based on pressure
Clamping device, it is intended to which area, fixinig plate can only be gripped by solving existing contact resistance clamping device in above-mentioned background technology
Several test buttons, and when test button for measuring different area and different number, then it is real cannot to pass through single fixture
It is existing, need area and quantity according to sample to be tested frequently to replace fixture, the repeatable utilization rate of contact resistance fixture is low, and
And the problem of increasing the cost for making fixture.
The utility model is realized in this way a kind of contact resistance test clip adjusting holding area and quantity based on pressure
Device is held, which includes babinet, the first screw drive mechanism, the first clamp arm, the second screw drive mechanism, the second folder
Tight arm, third screw drive mechanism, third clamp arm, the 4th screw drive mechanism, sample groove body, upper cover and bottom cover, the case
Two adjacent sides of body install the first screw drive mechanism and the second screw drive mechanism, first screw drive mechanism pass through
Screw rod is fitting to connection the first clamp arm, and second screw drive mechanism is fitting to connection the second clamp arm by screw rod, and described the
Three screw drive mechanisms are set on the side wall of upper cover, and third screw drive mechanism is fitting to connection third clamp arm by screw rod；
Movable plate is set on second clamp arm and the 4th screw drive mechanism, the movable plate pass through the 4th screw drive mechanism
Pad invests the top of the second clamp arm, the lifting of the 4th screw drive mechanism adjustable plate；The top surface of the babinet
On be provided with installation sample groove body groove body mouth, the sample groove body be equipped with the first cylinder and the second cylinder, first cylinder
Be cased with the first spring on the second cylinder, upper cover is stamped above the sample groove body, the upper lid is equipped with contact point, described
The bottom of box is connected with bottom cover, and multiple inserting-plate holes that the wall box is equipped with inserted sheet and is matched therewith are inserted by described
The height of piece and inserting-plate hole positioning sample groove body.
The utility model by be arranged the first screw drive mechanism, the second screw drive mechanism, third screw drive mechanism,
4th screw drive mechanism realizes the clamping of sample to be tested, and the test area of sample to be tested is adjusted by adjusting clamp arm, then
Utilize the inserted sheet and inserted sheet being arranged on the first cylinder, the second cylinder, the first spring and the wall box being arranged on sample groove body
Pore structure adjust sample to be tested quantity, to realize different area and different number test button clamping.
Preferably, the 4th screw drive mechanism includes screw rod and nut, and the screw rod lower end is fixed by fixing button
In hollow groove inside the second clamp arm, the upper end is arranged nut after stretching out movable plate, described to be located inside the second clamp arm
Second spring, rotating nuts, it can be achieved that the second clamp arm under the elastic force effect of second spring are cased on screw rod in hollow groove
The lifting of upper mobile board, to adjust the sample at movable plate contact measured sample end clamping different height.
Preferably, the sample groove body includes groove body plate, the first cylinder and the second cylinder, and the first cylinder and the second cylinder are set
It is placed in the lower section of groove body plate, backing plate is fixed on the first cylinder and the second cylinder.
Preferably, the bottom cover is equipped with the first cylinder docking column and the second cylinder docks column, by being socketed the first bullet
Spring docks first cylinder and the second cylinder respectively.
Preferably, 2 force-bearing pieces for bearing the first clamp arm clamping force, the sample slot are equipped at the groove body mouth
Body is equipped with and the matched force-bearing piece card slot of the force-bearing piece.
Preferably, first clamp arm and the second clamp arm are in inverted L shape, can preferably realize and step up effect.
Preferably, the pinching end of first clamp arm and the second clamp arm is equipped with the wire guide for placing conducting wire.
Preferably, the babinet is equipped with the limited block of the first clamp arm of limitation and the offset of the second clamp arm, to prevent clamping
Arm shifts when clamping.
Preferably, the third screw drive mechanism includes screw rod, nut and the fastening spring being placed on the screw rod.
Preferably, the upper cover ensures that upper cover is aligned with sample groove body with sample groove body by positioning pin connection.
What the utility model was carried out when applying pressure with forcing press is point contact, and semi-round ball can be used in point contact, is ensured
Test button uniform force.
Compared with the prior art the shortcomings that and deficiency, the utility model have the advantages that：The utility model passes through
First screw drive mechanism and the second screw drive mechanism be set, third screw drive mechanism, the 4th screw drive mechanism and
First clamp arm, the second clamp arm, third clamp arm, movable plate coordinate the inserted sheet being arranged on wall box and inserted sheet pore structure,
In test button testing contact resistance, it can be achieved that the test button of clamping different area and different the piece numbers, is not necessarily to frequently more
Fixture is changed, the utility model repeats utilization rate height, reduces the manufacturing cost of fixture.
Description of the drawings
Fig. 1 is that a kind of contact resistance being adjusted holding area and quantity based on pressure that the utility model embodiment provides is surveyed
Try the structural schematic diagram of clamping device.
Fig. 2 is that a kind of contact resistance being adjusted holding area and quantity based on pressure that the utility model embodiment provides is surveyed
Try the another structural schematic diagram of clamping device.
Fig. 3 is that a kind of contact resistance being adjusted holding area and quantity based on pressure that the utility model embodiment provides is surveyed
Try another structural schematic diagram of clamping device.
Fig. 4 is that a kind of contact resistance being adjusted holding area and quantity based on pressure that the utility model embodiment provides is surveyed
Try the front view of clamping device.
Fig. 5 is that a kind of contact resistance being adjusted holding area and quantity based on pressure that the utility model embodiment provides is surveyed
Try the left view of clamping device.
Fig. 6 is that a kind of contact resistance being adjusted holding area and quantity based on pressure that the utility model embodiment provides is surveyed
Try the rearview of clamping device.
Fig. 7 is A-A sectional views in Fig. 1.
Fig. 8 is the structural schematic diagram for the sample groove body that the utility model embodiment provides.
Fig. 9 is the structural schematic diagram that the sample groove body that the utility model embodiment provides is connect with bottom cover.
Figure 10 is the structural schematic diagram for the babinet that the utility model embodiment provides.
Figure 11 is the another structural schematic diagram for the babinet that the utility model embodiment provides.
Figure 12 is the structural schematic diagram of the second clamp arm and the 4th screw drive mechanism that the utility model embodiment provides.
Figure 13 is B-B sectional views in Fig. 4.
Figure 14 is the enlarged drawing at C in Fig. 1.
Figure 15 is the structural schematic diagram for the inserted sheet that the utility model embodiment provides.
In figure：1- babinets；1-1- groove body mouths；The first screw holes of 1-2-；The second screw holes of 1-3-；1-4- force-bearing pieces；1-5-
Card slot；The first screw drive mechanisms of 2-；The first clamp arms of 3-；The second screw drive mechanisms of 4-；The second clamp arms of 5-；5-1- activities
Plate；5-2- wire guides；6- third screw drive mechanisms；6-1- fastening springs；7- third clamp arms；The 4th screw drive machines of 8-
Structure；8-1- screw rods；8-2- nuts；8-3- fixing buttons；9- limited blocks, 10- upper covers, 11- contact points；12- upper samples；The bottoms 13-
Layer sample；14- sample groove bodies；14-1- groove body plates；The first cylinders of 14-2-；The second cylinders of 14-3-；14-4- backing plates；14-5- is sold
Hole；14-6- force-bearing piece card slots；15- inserted sheets；16- inserting-plate holes；17- bottom covers；The first cylinders of 17-1- dock column；The second columns of 17-2-
Body docks column；17-3- fixture blocks；The first springs of 18-；19- second springs.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
- Figure 14 referring to Fig.1, it is a kind of that holding area and the contact resistance test clamping device of quantity, packet are adjusted based on pressure
Include babinet 1, the first screw drive mechanism 2, the first clamp arm 3, the second screw drive mechanism 4, the second clamp arm 5, third screw rod
Transmission mechanism 6, third clamp arm 7, the 4th screw drive mechanism 8, sample groove body 14, upper cover 10 and bottom cover 17, the top surface of babinet 1
On be provided with the groove body mouth 1-1 of installation sample groove body 14；Two adjacent sides of babinet 1 are provided with installation 2 He of the first screw drive mechanism
At the first screw hole 1-2 and the second screw hole 1-3 of second screw drive mechanism 4, groove body mouth 1-1 the first folder is born equipped with 2
The bottom of the force-bearing piece 1-4 of 3 clamping force of tight arm, babinet 1 are equipped with card slot 1-5, and can bottom cover 17 babinet be connected in by card slot 1-5
On 1 (as shown in figs. 10-11).
First screw drive mechanism 2 and the second screw drive mechanism 4 respectively by the first screw hole 1-2 on babinet 1 and
Second screw hole 1-3 is connected on babinet 1, and the screw rod of the first screw drive mechanism 2 is fitting to connection the first clamp arm 3, the second spiral shell
The screw rod of bar transmission mechanism 4 is fitting to connection the second clamp arm 5, and the first screw drive mechanism 2 and the second screw drive mechanism 4 can wrap
Include screw rod and nut, rotating nuts, adjustable corresponding screw rod realizes moving horizontally for the first clamp arm 3 and the second clamp arm 5.
Sample groove body 14 (as shown in Figure 8) includes groove body plate 14-1, the first cylinder 14-2 and the second cylinder 14-3, the first column
Body 14-2 and the second cylinder 14-3 is set to the lower section of groove body plate 14-1, is fixed on the first cylinder 14-2 and the second cylinder 14-3
Backing plate 14-4, groove body plate 14-1 are equipped with and are also set on the positioning pin matched pin hole 14-5, groove body plate 14-1 in upper cover 10
There is the force-bearing piece card slot 14-6 of clamping force-bearing piece 1-4.
After sample groove body 14 is installed on babinet 1, the first cylinder 14-2 and the second cylinder 14-3 respectively on bottom cover 17
First cylinder docks column 17-1 and the second cylinder docking column 17-2 docks (as shown in Figure 9) by being socketed the first spring 18；Bottom cover
17 are connected in by fixture block 17-3 on 1 bottom card slot 1-5 of babinet.
It is close to 14-1- groove body plates on the top surface of babinet 1 and places sample to be tested, the present embodiment is to place two samples to be tested
Example, sample to be tested are respectively upper sample 12 and bottom sample 13, and upper sample 12 is located at 13 top of bottom sample, the upper layer
Upper cover 10 is stamped in 12 top of sample, is connected by the positioning pin and matched pin hole 14-5 on groove body plate 14-1 that are arranged in upper cover 10
It connects and locks upper cover 10.The pinching end of first clamp arm 3 is contacted with bottom sample 13, and clamping force acts on bottom sample 13,
Babinet 1 is transmitted to by the force-bearing piece 1-4 contacted with bottom sample 13 again, sample groove body 14 is made not to be stressed directly, to ensure
The precision that sample groove body 14 moves vertically.The pinching end of second clamp arm 5 is contacted with upper sample 12 and bottom sample 13 simultaneously,
The pinching end of first clamp arm 3 and the second clamp arm 5 is equipped with wire guide 5-2, conducting wire is positioned in wire guide 5-2, conducting wire
Contact is connect with bottom sample 13.
Third screw drive mechanism 6 is set on the side wall of upper cover 10, and the screw rod of third screw drive mechanism 6 is fitting to connection the
Three clamp arms 7, third screw drive mechanism 6 include screw rod and nut, are cased with fastening spring 6-1 on screw rod, third clamp arm 7 by
The effect of fastening spring 6-1 and the common power of nut are clamped upper sample 12.
In order to realize the elevating movement of the second clamp arm 5, movable plate 5-1 and the 4th screw rod are set on the second clamp arm 5
Transmission mechanism 8, as illustrated by figs. 12-13, movable plate 5-1 invest the upper of the second clamp arm 5 by the 4th screw drive mechanism 8 pad
Portion, the 4th screw drive mechanism 8 are arranged screw rod 8-1 and nut 8-2, hollow groove, screw rod 8-1 are arranged inside the second clamp arm 5
Lower end is fixed on by fixing button 8-3 in hollow groove, and being arranged nut 8-2 after the stretching movable plate 5-1 of the upper end locks movable plate,
It is arranged second spring 19 on the screw rod 8-1 in 5 inner hollow slot of the second clamp arm, passes through rotating nuts 8-2 so that the
Two springs 19 are flexible, and to adjust the lifting of movable plate 5-1, and then adjusting movable plate 5-1 contact measured samples end makes its clamping
Sample at different height.
1 side wall of babinet, which is equipped with, to be determined and inserts according to the height of sample to be tested with the matched multiple inserting-plate holes 16 of inserted sheet 15
Piece 15 should be inserted in which inserting-plate hole 16, and after the position for determining inserting-plate hole 16, sample groove body 14 is pushed, it is ensured that be inserted
Piece 15 is inserted into the inserting-plate hole 16 having good positioning, and hand is unclamped after insertion, under the elastic force effect of the first spring 18,14 meeting of sample groove body
Rise, rises to backing plate 14-4 and be stuck at inserted sheet 15, to fix the height of sample groove body 14.
According to Saint Venant's principle it is found that a concentrated force can only influence part, and for being then regarded as equal compared with distal part
Even stress, therefore 10 top of upper cover is equipped with contact point 11, contact point 11 can be set as semi-round ball, clamping device and pressure when applying pressure
Power machine carries out point contact, ensures test button uniform force.
First clamp arm 3 and the second clamp arm 5 are in inverted L shape, and the clamp arm of inverted L shape is on the one hand convenient for fixing, on the other hand
Clamping effect is good.
When clamp arm is clamped by screw drive mechanism, for anti-clamp arm clamp when because stress shift make it is to be tested
Sample unbalance stress, the limited block 9 of setting the first clamp arm 3 of limitation and the offset of the second clamp arm 5 on babinet 1.
When the utility model tests multiple samples, multiple samples to be measured are superimposed on to the sample groove body 14 of 1 top surface of babinet
Place, adjustment inserted sheet 15 are inserted into the position of inserting-plate hole 16, cover upper cover 10, the pinching end of the first clamp arm 3 and the bottom it is to be measured
Sample contacts, the pinching end of the second clamp arm 5 are contacted with bottom two layers of sample to be tested, adjust the 4th screw drive mechanism 8,
So that the pinching end of movable plate 5-1 is contacted with top layer sample to be tested, then third screw drive mechanism 6 is adjusted, third is made to clamp
Arm 7 clamps top layer's sample to be tested in another direction.
By the cooperation of multiple clamp arms and inserted sheet and inserted sheet pore structure, it can be achieved that the gold of different area and different the piece numbers
Belong to the clamping of sample.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of contact resistance adjusting holding area and quantity based on pressure tests clamping device, which is characterized in that the folder
It includes babinet, the first screw drive mechanism, the first clamp arm, the second screw drive mechanism, the second clamp arm, third spiral shell to hold device
Bar transmission mechanism, third clamp arm, the 4th screw drive mechanism, sample groove body, upper cover and bottom cover, two sides adjacents of the babinet
First screw drive mechanism is installed in face and the second screw drive mechanism, the first screw drive mechanism are fitting to connection by screw rod
First clamp arm, the second screw drive mechanism are fitting to connection the second clamp arm by screw rod；The third screw drive mechanism is set
It is placed on the side wall of the upper cover, third screw drive mechanism is fitting to connection the third clamp arm by screw rod；Described
Movable plate is set on two clamp arms and the 4th screw drive mechanism, the movable plate invest institute by the 4th screw drive mechanism pad
State the top of the second clamp arm, the lifting of the 4th screw drive mechanism adjustable plate；It is opened on the top surface of the babinet
There are the groove body mouth of installation sample groove body, the sample groove body to be equipped with the first cylinder and the second cylinder, first cylinder and the
It is cased with the first spring on two cylinders, upper cover is stamped above the sample groove body, the upper lid is equipped with contact point, the babinet
Bottom is connected with bottom cover, multiple inserting-plate holes that the wall box is equipped with inserted sheet and is matched therewith, by the inserted sheet and
Inserting-plate hole positions the height of sample groove body.
2. the contact resistance for adjusting holding area and quantity based on pressure as described in claim 1 tests clamping device, special
Sign is that the 4th screw drive mechanism includes screw rod and nut, and the second folder is fixed in the screw rod lower end by fixing button
In hollow groove inside tight arm, the upper end is arranged nut after stretching out movable plate, described to be located in the second clamp arm inner hollow slot
Screw rod on be cased with second spring.
3. the contact resistance for adjusting holding area and quantity based on pressure as described in claim 1 tests clamping device, special
Sign is that the sample groove body includes groove body plate, the first cylinder and the second cylinder, and the first cylinder and the second cylinder are set to groove body
It is fixed with backing plate on the lower section of plate, the first cylinder and the second cylinder.
4. the contact resistance for adjusting holding area and quantity based on pressure as claimed in claim 3 tests clamping device, special
Sign is that the bottom cover is equipped with the first cylinder docking column and the second cylinder docks column, right respectively by being socketed the first spring
Connect first cylinder and the second cylinder.
5. the contact resistance for adjusting holding area and quantity based on pressure as described in claim 1 tests clamping device, special
Sign is, 2 force-bearing pieces for bearing the first clamp arm clamping force are equipped at the groove body mouth, and the sample groove body is equipped with
With the matched force-bearing piece card slot of the force-bearing piece.
6. the contact resistance for adjusting holding area and quantity based on pressure as described in claim 1 tests clamping device, special
Sign is that first clamp arm and the second clamp arm are in inverted L shape.
7. the contact resistance for adjusting holding area and quantity based on pressure as claimed in claim 6 tests clamping device, special
Sign is that the pinching end of first clamp arm and the second clamp arm is equipped with the wire guide for placing conducting wire.
8. as contact resistance of 1,6,7 any one of them of claim based on pressure adjusting holding area and quantity tests clamping
Device, which is characterized in that the babinet is equipped with the limited block of the first clamp arm of limitation and the offset of the second clamp arm.
9. the contact resistance for adjusting holding area and quantity based on pressure as described in claim 1 tests clamping device, special
Sign is that the third screw drive mechanism includes screw rod, nut and the fastening spring being placed on the screw rod.
10. the contact resistance that holding area and quantity are adjusted based on pressure as described in claim 1 or 3 tests clamping device,
It is characterized in that, the upper cover passes through positioning pin connection with sample groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820156375.0U CN207717863U (en) | 2018-01-30 | 2018-01-30 | The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820156375.0U CN207717863U (en) | 2018-01-30 | 2018-01-30 | The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207717863U true CN207717863U (en) | 2018-08-10 |
Family
ID=63053006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820156375.0U Expired - Fee Related CN207717863U (en) | 2018-01-30 | 2018-01-30 | The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207717863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318713A (en) * | 2018-01-30 | 2018-07-24 | 兰州大学 | The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device |
| CN109613337A (en) * | 2019-01-10 | 2019-04-12 | 王久钰 | Takeoff method based on measurement resistance |
-
2018
- 2018-01-30 CN CN201820156375.0U patent/CN207717863U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318713A (en) * | 2018-01-30 | 2018-07-24 | 兰州大学 | The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device |
| CN109613337A (en) * | 2019-01-10 | 2019-04-12 | 王久钰 | Takeoff method based on measurement resistance |
| CN109613337B (en) * | 2019-01-10 | 2021-01-15 | 王久钰 | Quantity measuring method based on measuring resistance |
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Legal Events
| 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: 20180810 Termination date: 20200130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |