CN203720023U - Detecting tool of tensile strength of bolt - Google Patents
Detecting tool of tensile strength of bolt Download PDFInfo
- Publication number
- CN203720023U CN203720023U CN201420110941.6U CN201420110941U CN203720023U CN 203720023 U CN203720023 U CN 203720023U CN 201420110941 U CN201420110941 U CN 201420110941U CN 203720023 U CN203720023 U CN 203720023U
- Authority
- CN
- China
- Prior art keywords
- force sleeve
- pulling force
- bolt
- tensile force
- tensile strength
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a detecting tool of tensile strength of a bolt. The detecting tool of tensile strength of the bolt comprises an upper tensile force sleeve and a lower tensile force sleeve, wherein the opening of the upper tensile force sleeve faces upward; the center of the bottom of the upper tensile force sleeve has a first through hole from which a screw extends out as well as a hexagonal groove in which a nut is embedded; side walls A of the upper tensile force sleeve are internally provided with dovetail clamp bulges A symmetrically; the opening of the lower tensile force sleeve faces downward; the center of the top of the lower tensile force sleeve has a second through hole in which the screw extends; side walls B of the lower tensile force sleeve are internally provided with dovetail clamp bulges B symmetrically; the inner side of the top of the lower tensile force sleeve is provided with an elastic glue layer. The detecting tool of tensile strength of the bolt, which is provided by the utility model, enables the bolt to be firmly fixed in a device so as to prevent the bolt from swinging and displacing back and forth, and the determination accuracy of tensile strength is improved.
Description
Technical field
The utility model relates to a kind of physical strength pick-up unit, is specifically related to a kind of bolt tensile strength testing tool.
Background technology
Different physical construction is for the requirement of strength difference of adopted bolt, therefore need bolt strength to measure, while testing bolt tensile strength at present, generally adopt jaw type clamping device clamps bolt two ends and apply pulling force and measure, but jaw type clamping device easily makes bolt get loose, be shifted, or bolt is produced shearing force and affects the Accurate Determining of tensile strength.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of a kind of bolt tensile strength testing tool that can Accurate Determining bolt tensile strength.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of bolt tensile strength testing tool, comprise upper pulling force sleeve and lower pulling force sleeve, wherein, described upper pulling force sleeve openings upward, described upper pulling force sleeve bottom centre is provided with the first through hole stretching out for screw rod and the hexagonal indentations embedding for nut, described upper pulling force sleeve upwards extends to two the sidewall A in left and right, and described sidewall is inwardly symmetrically arranged with dovetail card convex A; Described lower pulling force sleeve openings down, described lower pulling force sleeve top center is provided with the second through hole stretching into for screw rod, described lower pulling force sleeve inside top is provided with elasticity glue-line, and described lower pulling force sleeve extends to two the sidewall B in left and right downwards, and described sidewall B is inwardly symmetrically arranged with dovetail card convex B.
Further, a kind of bolt tensile strength testing tool described in the utility model, is provided with internal thread in the second through hole described in it.
Known in this field, bolt comprises nut and screw rod two parts, and bolt can be with nut combinations for machinery combination, fixing.
The beneficial effect that adopts technique scheme to produce is:
1, the bolt device for testing tensile strength that the utility model provides, can make bolt be firmly secured in device, avoids bolt swing to affect the Accurate Determining of tensile strength.
2, lower pulling force sleeve inside top adopts the design of elasticity glue-line, makes fixing tightr on screw rod of nut.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is working state schematic representation of the present utility model;
Fig. 3 is the left view of the utility model Fig. 1;
Fig. 4 is and the supporting pull weights coupling part structural representation being connected of the utility model.
Wherein, 1 upper pulling force sleeve, 2 lower pulling force sleeves, 3 bolts, 4 nuts, coupling part on 5 pull weights, coupling part under 6 pull weights, 11 first through holes, 12 hexagonal indentations, 13 dovetail card convex A, 14 sidewall A, 21 second through holes, 22 dovetail card convex B, 23 sidewall B, 24 elasticity glue-lines, 31 nuts, 32 screw rods, 51 dovetail groove A, 61 dovetail groove B.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment
As shown in Fig. 1 ~ 3, a kind of bolt device for testing tensile strength, it comprises upper pulling force sleeve 1 and lower pulling force sleeve 2, wherein, described upper pulling force sleeve 1 is opening up, described upper pulling force sleeve 1 bottom centre is provided with the first through hole 11 stretching out for screw rod 32 and the hexagonal indentations 12 embedding for nut 31, described upper pulling force sleeve 1 bottom thickness is 2 times of nut 31 thickness, described upper pulling force sleeve 1 upwards extends to two the sidewall A 14 in left and right, and described sidewall A 14 is inwardly symmetrically arranged with dovetail card convex A 13; Described lower pulling force sleeve 2 is opening down, described lower pulling force sleeve 2 top center are provided with the second through hole 21 stretching into for screw rod 32, described lower pulling force sleeve 2 extends to two the sidewall B 23 in left and right downwards, described sidewall B 23 is inwardly symmetrically arranged with dovetail card convex B 22, in described the second through hole 21, be provided with internal thread, described lower pulling force sleeve 2 inside top are provided with elasticity glue-line 24.
Be illustrated in figure 4 and the supporting pull weights coupling part being connected of the utility model, be divided into that on pull weights, under coupling part 5 and pull weights coupling part 6,2 dovetail grooves are all set in its left and right sides, on pull weights, under coupling part 5 and pull weights, the dovetail groove of coupling part 6 is respectively dovetail groove A 51 and dovetail groove B 61, and described dovetail groove A 51, dovetail groove B 61 match with dovetail card convex A 13 of the present utility model and dovetail card convex B 22 respectively.
Its principle of work is as follows:
When use, by bolt 3 with nut 31 upward, screw rod 32 mode is down put into sleeve from upper pulling force sleeve 1, and screw rod 32 is stretched out from the first through hole 11, and nut 31 embeds in hexagonal indentations 12 just, by corresponding the dovetail groove A 51 of the upper coupling part 5 of dovetail card convex A 13 and the pull weights supporting with the utility model, upper pulling force sleeve 1 level is pushed to the upper coupling part 5 of pull weights; Screw rod 32 bottoms are screwed in lower pulling force sleeve 2 along female the second through hole 21, from the inner nut 4 of using of lower pulling force sleeve 2, bolt 3 is fixed, lower pulling force sleeve 2 levels are pushed to the lower coupling part 6 of the pull weights supporting with the utility model, start pull weights, make pull weights upper and lower coupling part difference both direction tractive up and down, measure.
Claims (2)
1. a bolt tensile strength testing tool, it is characterized in that: comprise upper pulling force sleeve (1) and lower pulling force sleeve (2), wherein, described upper pulling force sleeve (1) is opening up, described upper pulling force sleeve (1) bottom centre is provided with the first through hole (11) stretching out for screw rod (32) and the hexagonal indentations (12) embedding for nut (31), described upper pulling force sleeve (1) upwards extends to two the sidewall A(14 in left and right), described sidewall (14) is inwardly symmetrically arranged with dovetail card convex A(13); Described lower pulling force sleeve (2) is opening down, described lower pulling force sleeve (2) top center is provided with the second through hole (21) stretching into for screw rod (32), described lower pulling force sleeve (2) inside top is provided with elasticity glue-line (24), described lower pulling force sleeve extends to two the sidewall B(23 in left and right downwards), described sidewall B(23) be inwardly symmetrically arranged with dovetail card convex B(22).
2. a kind of bolt tensile strength testing tool as claimed in claim 1, is characterized in that: in described the second through hole (21), be provided with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110941.6U CN203720023U (en) | 2014-03-12 | 2014-03-12 | Detecting tool of tensile strength of bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110941.6U CN203720023U (en) | 2014-03-12 | 2014-03-12 | Detecting tool of tensile strength of bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720023U true CN203720023U (en) | 2014-07-16 |
Family
ID=51159163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420110941.6U Expired - Fee Related CN203720023U (en) | 2014-03-12 | 2014-03-12 | Detecting tool of tensile strength of bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470568A (en) * | 2018-09-18 | 2019-03-15 | 中国石油天然气集团有限公司 | A kind of easy device for testing tubing string Sensitivity of Stress Corrosion in kind |
| CN109958874A (en) * | 2019-03-25 | 2019-07-02 | 汤始建华建材（南通）有限公司 | A kind of steel pipe sleeve and the method for measuring its intensity and presstressed reinforcing steel intensity simultaneously |
-
2014
- 2014-03-12 CN CN201420110941.6U patent/CN203720023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470568A (en) * | 2018-09-18 | 2019-03-15 | 中国石油天然气集团有限公司 | A kind of easy device for testing tubing string Sensitivity of Stress Corrosion in kind |
| CN109958874A (en) * | 2019-03-25 | 2019-07-02 | 汤始建华建材（南通）有限公司 | A kind of steel pipe sleeve and the method for measuring its intensity and presstressed reinforcing steel intensity simultaneously |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140716 Termination date: 20160312 |