CN209589330U - Device for testing clamping force between - Google Patents
Device for testing clamping force between Download PDFInfo
- Publication number
- CN209589330U CN209589330U CN201920675089.XU CN201920675089U CN209589330U CN 209589330 U CN209589330 U CN 209589330U CN 201920675089 U CN201920675089 U CN 201920675089U CN 209589330 U CN209589330 U CN 209589330U
- Authority
- CN
- China
- Prior art keywords
- clamping force
- displacement
- sheet metal
- fixed
- breadboards
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a kind of device for testing clamping force between, puller system is connected by upper lower contact, upper lower contact respectively connects lower pulling plate, upper and lower each frame of two breadboards is in upper lower pulling plate, upper and lower two breadboard and the sheet metal being sandwiched between two breadboards are tested fastener and are fastenedly connected, the elongated end of sheet metal is fixed finger setting on restorer, displacement encoder is fixed on restorer, puller system pulls to movement by upper and lower joint action in upper lower pulling plate, upper lower pulling plate power transmission is in upper and lower two breadboard, puller system drag load increase loosens two breadboards up and down of connection mutually, sheet metal loosens the device extraction that is reset after losing the pressure of upper and lower two breadboard, the change in displacement of sheet metal extraction is transmitted to displacement encoder, displacement encoder is according to the variation of the corresponding pulling force numerical value of change in displacement, it obtains clamping force value.The advantages of the utility model, can be realized the clamping force tested between relatively thin fastening thickness component；Test can be repeated, it is at low cost.
Description
Technical field
The utility model relates to a kind of test fixture, in particular to a kind of device for testing clamping force between.
Background technique
The project of fastener products self-plugging rivet mechanical performance, by GB/T 3098.19-2006 " fastener mechanical performance
Self-plugging rivet " define the corresponding drag load of mechanical performance grade, the shear-type load, nail of open-type and Closed End Blind Rivet
Core breaking load and unloading for open type blind rivet follow closely power and ailhead holding capacity totally 5 performance projects, but with self-plugging rivet
The requirement of application field is continuously improved, the requirement for stepping up state and having quantization after rivet to part is riveted, i.e. " clamping force
(clamp force) " is suggested.It " is taken out with the fastening thicker difference of thickness, the grips of self-plugging rivet such as bolts by existing national standard
The grip of core rivet series " rivet, which is respectively less than, is equal to 25mm, and self-plugging rivet product is concentrated within 15mm using thickness,
There are problems that two: one using conventional strain sensing test, fastening thickness can not adapt to；Two, higher cost.It is badly in need of a kind of survey
Try the device of clamping force between relatively thin fastening thickness component.
Utility model content
Technical problem to be solved in the utility model is to provide for a kind of at low cost, tests relatively thin fastening thickness structure repeatedly
The test device of clamping force between part.
For the technical problem more than solving, the utility model principle equal with reaction force according to active force is drawn
The power principle equal with pressure-clamping force is changed according to the corresponding force value of change in displacement using displacement encoder, provides one
Kind device for testing clamping force between, the device for testing clamping force between connect puller system by upper lower contact, and upper lower contact respectively connects up and down
Pulling plate, for upper and lower each frame of two breadboards in upper lower pulling plate, upper and lower two breadboard and the sheet metal being sandwiched between two breadboards are tested
Examination fastener be fastenedly connected, the elongated end of sheet metal be fixed finger setting in be fixed on restorer, on restorer displacement compile
Code device, puller system pull to movement by upper and lower joint action in upper lower pulling plate, and upper lower pulling plate power transmission is in upper and lower two breadboard, pulling force
Machine drag load increase loosens two breadboards up and down of connection mutually, and sheet metal loses pine after the pressure of upper and lower two breadboard
The de- device extraction that is reset, the change in displacement of sheet metal extraction are transmitted to displacement encoder, and displacement encoder is according to change in displacement
The variation of corresponding pulling force numerical value obtains clamping force value.
The restorer includes a slide bar, and one end of slide bar is connect with fixed pin, book piece, and the ontology of slide bar is fixed through one
The upper through-hole of block simultaneously moves axially, and lower end of fixing block is connect with two fixed plates, and book piece connects through a fastening screw and displacement encoder
It connects, reset spring is cased with outside slide bar.
Two fixed plate is bottom plate and bottom plate, and fixed plate is connect with lower pulling plate, on bottom plate
Equipped with displacement encoder, the intermediate throughholes that the connecting line that displacement encoder stretches out passes through fixed block are connect with fastening screw.
The utility model device for testing clamping force between is directly loaded on existing puller system, and it is corresponding that circulation recycles encoder
Clamping force numerical value is obtained, solves the problems, such as excessively thin, the at high cost test clamping force of connection thickness.
Superior effect of the utility model is:
1) it can be realized the clamping force tested between relatively thin fastening thickness component；
2) device can be recycled to be tested, it is at low cost.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 a and Fig. 2 b are the comparison diagram before the utility model embodiment is tested and after test；
Figure label explanation:
101-upper locking nuts；102-top connections；
103-upper arm-ties；104-test fasteners；
105-upper breadboards；106-lower breadboards；
107-lower pulling plates；108-fixed plate A；
109-lower locking nuts；110- lower contact；
111-fastening screws；112-fixing bolts；
113-fixed plate B；114-displacement encoders；
115-reset springs；116-fixed blocks；
117-restorers；118-fixed pins；
119- metal book piece.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing.
Fig. 1 shows the structural schematic diagram of the utility model embodiment；Fig. 2 a shows the utility model embodiment test
Preceding structural schematic diagram；Fig. 2 b shows the structural schematic diagram after the utility model embodiment test.A and Fig. 2 b as shown in Figure 1, Figure 2
Shown, the utility model provides a kind of device for testing clamping force between, and the device for testing clamping force between directly passes through top connection with pin
102 and lower contact 110 mounting hole loaded on existing puller system, and with upper locking nut 101 and the lock of lower locking nut 109
Tightly, upper and lower two breadboard 105,106 and the sheet metal 119 being sandwiched between two breadboards are tested fastener 104 according to position
It is required that being fastenedly connected, in upper arm-tie 103 and lower pulling plate 107, sheet metal 119 is fixed for upper and lower two breadboard 105,106 each framves
Pin 118 is positioned on the restorer 117 equipped with reset spring 115.
Test starts, and puller system pulls to movement and acts on upper arm-tie 103, lower pulling plate by top connection 102, lower contact 110
107, in upper breadboard 105, lower experimental plate 106, puller system drag load increase makes to connect for power transmission again for upper arm-tie 103, lower pulling plate 107
Upper breadboard 105, the lower breadboard 106 connect mutually loosens, and sheet metal 119 loses the pressure of upper and lower two breadboard 105,106
After loosen, while be reset device 117 extract out (such as Fig. 2 b), slide bar moves backward, and reset spring 115 is stretched, sheet metal 119
Change in displacement it is corresponding with puller system pulling force numerical value change according to change in displacement by displacement encoder 116, obtain sheet metal
119, which correspond to puller system when mobile, is applied to the pulling force for being riveted breadboard, i.e. " clamping force " value.
The restorer 117 includes a slide bar, and one end of slide bar is connect with fixed pin 118, book piece, and the ontology of slide bar runs through
The upper through-hole of fixed block 116 simultaneously moves axially, and 116 lower end of fixed block is connect with two fixed plates, and book piece is through fastening screw 111 and position
It moves encoder 114 to connect, reset spring 115 is cased with outside slide bar.The lower end of the fixed block 116 and fixed plate A108, fixed plate
B113 connection, fixed plate A108 are connect with lower pulling plate 107, and displacement encoder 114, displacement encoder are housed on fixed plate B113
The intermediate throughholes that 114 connecting lines stretched out pass through fixed block 116 are connect with fastening screw 111.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included in the protection scope of the utility model.
Claims (3)
1. a kind of device for testing clamping force between, it is characterised in that: the device for testing clamping force between connects puller system by upper lower contact,
Upper lower contact respectively connects lower pulling plate, and upper and lower each frame of two breadboards upper and lower two breadboard and is sandwiched in two breadboards in upper lower pulling plate
Between sheet metal be tested fastener and be fastenedly connected, the elongated end of sheet metal is fixed finger setting on restorer, multiple
Displacement encoder is fixed on the device of position, puller system pulls to movement by upper and lower joint action in upper lower pulling plate, upper lower pulling plate power transmission
In upper and lower two breadboard, puller system drag load increase loosens two breadboards up and down of connection mutually, and sheet metal loses
The device extraction that is reset is loosened after the pressure of lower two breadboards, the change in displacement of sheet metal extraction is transmitted to displacement encoder, position
Encoder is moved according to the variation of the corresponding pulling force numerical value of change in displacement, obtains clamping force value.
2. device for testing clamping force between according to claim 1, it is characterised in that: the restorer includes a slide bar, slide bar
One end connect with fixed pin, book piece, the ontology of slide bar through a fixed block upper through-hole and move axially, lower end of fixing block with
The connection of two fixed plates, book piece are connect through a fastening screw with displacement encoder, and reset spring is cased with outside slide bar.
3. device for testing clamping force between according to claim 2, it is characterised in that: two fixed plate is upper mounted plate under
Fixed plate, fixed plate are connect with lower pulling plate, and displacement encoder, the connection that displacement encoder stretches out are housed on bottom plate
The intermediate throughholes that line passes through fixed block are connect with fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675089.XU CN209589330U (en) | 2019-05-13 | 2019-05-13 | Device for testing clamping force between |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675089.XU CN209589330U (en) | 2019-05-13 | 2019-05-13 | Device for testing clamping force between |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209589330U true CN209589330U (en) | 2019-11-05 |
Family
ID=68347220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920675089.XU Active CN209589330U (en) | 2019-05-13 | 2019-05-13 | Device for testing clamping force between |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209589330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710423A (en) * | 2020-12-24 | 2021-04-27 | 东风汽车集团有限公司 | Method for measuring and evaluating clamping force of engine key bolt after test |
-
2019
- 2019-05-13 CN CN201920675089.XU patent/CN209589330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710423A (en) * | 2020-12-24 | 2021-04-27 | 东风汽车集团有限公司 | Method for measuring and evaluating clamping force of engine key bolt after test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109249349B (en) | Spring assembly auxiliary loading and unloading tool | |
| CN209589330U (en) | Device for testing clamping force between | |
| CN106676615B (en) | A kind of sliding block plating quick-speed jigs and electroplating clamp component | |
| CN102607980A (en) | Tension-pressure conversion aid for calibration of tensile machine | |
| CN109855954B (en) | Uniaxial tension-to-biaxial tension experimental device | |
| CN202431656U (en) | Rapid locking connection device | |
| CN209563045U (en) | Novel help of one kind pulls out wedge lock strip device | |
| CN105757074A (en) | Operation-controllable elastic clamp device | |
| CN105673635A (en) | Novel buffering elastic fastening device | |
| CN210465147U (en) | Axial vertical loading stability test device | |
| CN108673545B (en) | Cotton sampling manipulator | |
| CN208455375U (en) | Rail clip pressurizing device | |
| CN216791861U (en) | Continuous loading device capable of providing tensile stress and compressive stress | |
| CN211026433U (en) | Pipe clamping mechanism and pipe picking mechanism | |
| CN210715412U (en) | Sheet metal part connecting structure | |
| CN202548026U (en) | Tension-compression conversion auxiliary tool for calibrating tensile machine | |
| CN214200566U (en) | Collision test device for low-voltage measurement and control terminal | |
| CN217878623U (en) | A buckling restrained device that is used for steel circulation to draw pressure hysteresis performance test | |
| CN213026796U (en) | Mounting structure for heavy-load connector | |
| CN220613743U (en) | Manual clamping device | |
| CN218109065U (en) | Bottom side mold for superconducting material thermal performance tester | |
| CN201115322Y (en) | Clamping structure | |
| CN216560081U (en) | A tensile testing arrangement is cuted to reinforcing bar for building engineering | |
| CN216622022U (en) | Plastic product compresses tightly self-checking equipment | |
| CN216717999U (en) | Rubber compression permanent deformation measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |