CN209432332U - Threaded fastener screw-down torque test device - Google Patents
Threaded fastener screw-down torque test device Download PDFInfo
- Publication number
- CN209432332U CN209432332U CN201920104941.8U CN201920104941U CN209432332U CN 209432332 U CN209432332 U CN 209432332U CN 201920104941 U CN201920104941 U CN 201920104941U CN 209432332 U CN209432332 U CN 209432332U
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- China
- Prior art keywords
- threaded fastener
- pedestal
- test device
- card slot
- tested
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Abstract
This application involves torsion-testing apparatus fields, more particularly to threaded fastener screw-down torque test device, the screw-down torque test device includes pedestal, bracket, card slot, tested threaded fastener stationary fixture, dial disc, the base rear portion is provided with the bracket, the material of the pedestal is Q235, the card slot is provided on the pedestal, the tested threaded fastener stationary fixture is installed in the card slot, the dial disc is provided with above the pedestal, fixed pin is fixed on the dial disc, screwdriver bit is provided with above the tested threaded fastener stationary fixture.Beneficial effect is: the utility model is able to detect the torque under surrender fastening axle power of threaded fastener, to meet the requirement of threaded fastener hydrogen embrittlement inspection, pedestal and bracket can be supported device, increase its stability, the device is easy to operate when detection, cost is relatively low, is suitable for promoting.
Description
Technical field
The utility model belongs to torsion-testing apparatus field, is specifically related to threaded fastener screw-down torque test device.
Background technique
Threaded connection is fairly simple reliable, easy to loading and unloading a kind of connection type in connection, and act foot is played in assembly
The effect of weight, according to ISO15330:1999 " fastener mechanical performance check hydrogen embrittlement with preload test parallel support face method ",
It is straight for nominal since the standard requirements need to apply the stress within measured piece yield point when detecting threaded fastener hydrogen embrittlement
It when screw-down torque is tested when threaded fastener of the diameter in 1-10mm reaches yield point, is turned round by threaded fastener
Power experimental rig is tested, and existing " threaded fastener torque test device " can only detect breakdown torque, cannot be detected
Reach screw-down torque when yield point.
It can be corresponding by holding comer according to screw-down torque of the tested threaded fastener under surrender fastening axle power
Tightening torque curve graph determines, therefore improves to existing " threaded fastener torque test device ", increases and reads corner
And corresponding torque value function, the solid corresponding tightening torque curve of corner is drawn by computer, the utility model is existing
" threaded fastener torque test device " on improve, by installing angle disk, pointer and corresponding interface, to quilt additional
During survey part is fastened, corner and corresponding tightening torque value are read, torsion curve is drawn by computer, then pass through torsion
Square Slope Method determines screw-down torque when measured piece reaches yield point.
It should be noted that the information for being disclosed in the utility model background technology part is merely intended to increase to originally practical new
The understanding of the general background of type, and be not construed as recognizing or implying in any form that information composition has been art technology
The prior art well known to personnel.
Utility model content
The utility model in view of the deficienciess of the prior art, provide threaded fastener screw-down torque test device, with
Breakdown torque can only be detected by solving existing apparatus, cannot detect screw-down torque when reaching yield point.
The utility model solves the following threaded fastener screw-down torque test device of technical solution of above-mentioned technical problem, packet
Pedestal, bracket, card slot, tested threaded fastener stationary fixture, dial disc are included, the base rear portion is provided with the bracket,
The material of the pedestal is Q235, so that the pedestal is hardly damaged, long service life is provided with the card on the pedestal
Slot is equipped with the tested threaded fastener stationary fixture in the card slot, is provided with the dial disc above the pedestal,
It is fixed with fixed pin on the dial disc, is provided with screwdriver bit above the tested threaded fastener stationary fixture, it is described
It is fixed with pointer on screwdriver bit, is provided with central fixed shaft above the screwdriver bit, is socketed in the central fixed shaft
Sliding block is adjusted, torque-indicating wrench is installed above the central fixed shaft, is provided with torsion on the torque-indicating wrench and deposits
Chu Jian.
Further, the bracket is fixed with the pedestal by bolt, and the dial disc and the pedestal are logical
The fixed pin is crossed to be installed.
Further, the card slot takes shape in the pedestal, the tested threaded fastener stationary fixture and the pedestal
It is fixed by pedestal card slot, the material of the tested threaded fastener stationary fixture is No. 45 steel.
Further, the material of the dial disc is stainless steel, and the fixed pin and the pedestal pin hole are interference fitted,
The shape of the dial disc is circular ring shape.
Further, the screwdriver bit is clamped with the central fixed shaft, and the torque-indicating wrench can be deposited
Data are stored up, the torque-indicating wrench is socketed in the top of the central fixed shaft.
Further, the adjustment sliding block is connect with the bracket slide.
Further, the pointer and the screwdriver bit are interference fitted, and the shape of the central fixed shaft is cylinder.
The technical scheme provided by the application includes following advantageous effects:
The utility model is able to detect the torque under surrender fastening axle power of threaded fastener, to meet screw threads for fastening
The requirement that part hydrogen embrittlement is examined, pedestal and bracket can be supported device, increase its stability, and the device is when detection
Easy to operate, cost is relatively low, is suitable for promoting.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of threaded fastener screw-down torque test device described in the utility model；
Fig. 2 is the structural schematic diagram of pedestal in threaded fastener screw-down torque test device described in the utility model；
Fig. 3 is the structural schematic diagram that sliding block is adjusted in threaded fastener screw-down torque test device described in the utility model；
Fig. 4 is the structural schematic diagram of dial disc in threaded fastener screw-down torque test device described in the utility model.
The reference numerals are as follows:
1, pedestal；2, card slot；3, it is tested threaded fastener stationary fixture；4, dial disc；5, pointer；6, fixed pin；7,
Screwdriver bit；8, sliding block is adjusted；9, central fixed shaft；10, torque-indicating wrench；11, bracket；12, torsion stores key.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1-Fig. 4 is please referred to, the utility model provides a kind of technical solution: threaded fastener screw-down torque test device,
Including pedestal 1, bracket 11, card slot 2, tested threaded fastener stationary fixture 3, dial disc 4,1 rear portion of pedestal is provided with bracket
11, bracket 11 adjusts sliding block 8 to fixed, and the material of pedestal 1 is Q235, so that pedestal 1 is hardly damaged, long service life, bottom
Card slot 2 is provided on seat 1, card slot 2 is fixed tested threaded fastener stationary fixture 3 to convenient, is equipped in card slot 2
Tested threaded fastener stationary fixture 3 is tested threaded fastener stationary fixture 3 tested screw to be fixed, on pedestal 1
Side is provided with dial disc 4, and dial disc 4 is fixed with fixed pin 6 showing scale on dial disc 4, fixed pin 6 to
Dial disc 4 is fixed, is provided with screwdriver bit 7 above tested threaded fastener stationary fixture 3, screwdriver bit 7 to
Rotation work is carried out to screw, is fixed with pointer 5 on screwdriver bit 7, pointer 5 is to refer to the scale on dial disc 4
Show, central fixed shaft 9 is provided with above screwdriver bit 7, be socketed in central fixed shaft 9 and adjust sliding block 8, in central fixed shaft 9
Side is equipped with torque-indicating wrench 10, and torsion storage key 12 is provided on torque-indicating wrench 10.
Working principle: by the card slot 2 on tested threaded fastener and matched fixture inserted base 1, by dial disc 4
It is placed on 1 top of pedestal, is positioned with fixed pin 6, pointer 5 is fixed on screwdriver bit 7,7 insertion center of screwdriver bit is fixed
9 lower section of axis, by 10 sets of torque-indicating wrench above central fixed shaft 9, rotates clockwise torque-indicating wrench 10, until tested
Threaded fastener is acted on by pretightning force, when torque-indicating wrench 10 shows torque, start recording, and every 5 degree of the rotation of pointer 5,
It presses torsion storage key 12 and removes torque-indicating wrench 10 when threaded fastener twists off, export digital display torsion on computers and pull
The torque value that hand 10 stores, and corresponding table is made, by origin Software on Drawing torque curve and torque slope curve, turning round
Tested screw-down torque of the threaded fastener in the case where surrendering axle power is selected within the scope of the 1/2-1/3 of square slope, by torque curve and torsion
Square slope curve can obtain, the torque gradient maxima of tested bolt, according to the 1/2-1/3 range of torque slope, therefore may be selected to turn
Angle, then the torque under the corner is tightening torque of the bolt in the case where fastening axle power.
Embodiment 2
The difference of second embodiment and first embodiment is: screwdriver bit 7 can be changed to hexagonal Torque sleeve.
Specifically, screwdriver bit 7 and hexagonal Torque sleeve can act as the effect fastened to detected screw, side
Detected screw is detected, the other all fast convenience of the installation of screwdriver bit 7 and hexagonal Torque sleeve can
Realize equivalent function.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. threaded fastener screw-down torque test device, it is characterised in that: including pedestal (1), bracket (11), card slot (2), be tested
Threaded fastener stationary fixture (3), dial disc (4), pedestal (1) rear portion are provided with the bracket (11), the pedestal
(1) material is Q235, is provided with the card slot (2) on the pedestal (1), is equipped with the tested spiral shell in the card slot (2)
Line fastener stationary fixture (3), pedestal (1) top is provided with the dial disc (4), solid on the dial disc (4)
Surely have fixed pin (6), be provided with screwdriver bit (7), the screwdriver bit above the tested threaded fastener stationary fixture (3)
(7) it is fixed with pointer (5), is provided with central fixed shaft (9) above the screwdriver bit (7), on the central fixed shaft (9) on
It is socketed with adjustment sliding block (8), is equipped with torque-indicating wrench (10) above the central fixed shaft (9), the digital display torsion is pulled
Torsion storage key (12) is provided on hand (10).
2. threaded fastener screw-down torque test device according to claim 1, it is characterised in that: the bracket (11) with
The pedestal (1) is fixed by bolt, and the dial disc (4) and the pedestal (1) are carried out by the fixed pin (6)
Installation.
3. threaded fastener screw-down torque test device according to claim 1, it is characterised in that: the card slot (2) at
Type is consolidated in the pedestal (1), the tested threaded fastener stationary fixture (3) and the pedestal (1) by pedestal card slot
Fixed, the material of the tested threaded fastener stationary fixture (3) is No. 45 steel.
4. threaded fastener screw-down torque test device according to claim 1, it is characterised in that: the dial disc
(4) material is stainless steel, and the fixed pin (6) and the pedestal (1) pin hole are interference fitted, the shape of the dial disc (4)
Shape is circular ring shape.
5. threaded fastener screw-down torque test device according to claim 1, it is characterised in that: the screwdriver bit
(7) it is clamped with the central fixed shaft (9), the torque-indicating wrench (10) can store data, the digital display torsion
Spanner (10) is socketed in the top of the central fixed shaft (9).
6. threaded fastener screw-down torque test device according to claim 1, it is characterised in that: the adjustment sliding block
(8) it is slidably connected with the bracket (11).
7. threaded fastener screw-down torque test device according to claim 1, it is characterised in that: the pointer (5) with
Screwdriver bit (7) interference fit, the shape of the central fixed shaft (9) are cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920104941.8U CN209432332U (en) | 2019-01-22 | 2019-01-22 | Threaded fastener screw-down torque test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920104941.8U CN209432332U (en) | 2019-01-22 | 2019-01-22 | Threaded fastener screw-down torque test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209432332U true CN209432332U (en) | 2019-09-24 |
Family
ID=67977212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920104941.8U Expired - Fee Related CN209432332U (en) | 2019-01-22 | 2019-01-22 | Threaded fastener screw-down torque test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209432332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563120A (en) * | 2022-03-17 | 2022-05-31 | 中国电子科技集团公司第十四研究所 | Tightening torque determination method |
-
2019
- 2019-01-22 CN CN201920104941.8U patent/CN209432332U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563120A (en) * | 2022-03-17 | 2022-05-31 | 中国电子科技集团公司第十四研究所 | Tightening torque determination method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 Termination date: 20200122 |