CN203745120U - Bolt stress detection device - Google Patents
Bolt stress detection device Download PDFInfo
- Publication number
- CN203745120U CN203745120U CN201420005986.7U CN201420005986U CN203745120U CN 203745120 U CN203745120 U CN 203745120U CN 201420005986 U CN201420005986 U CN 201420005986U CN 203745120 U CN203745120 U CN 203745120U
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- square
- bar shaped
- deep gouge
- cell body
- shaped deep
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Abstract
The utility model relates to a bolt stress detection device comprising a square groove of which the side surface is open, a square insertion block matched with the inner cavity of the square groove and a locating mechanism for limiting the square insertion block into the square groove. The end surface of the inner insertion end of the square insertion block corresponds to the inner bottom wall of the square groove. The square groove is provided with a round through hole running through upper and lower groove walls. One part of the inner wall of the round through hole is formed by recessing the inner bottom wall of the square groove inwards, and the other part of the inner wall is formed by recessing the inner insertion end surface of the square insertion block inwards. A longitudinal strain gauge for measuring axial deformation and a transverse strain gauge for measuring torsional deformation are attached into the round through hole. According to the utility model, detection analysis can be performed on the stress of a bolt when the bolt is tightened, the detection data is accurate and reliable, and the whole device has advantages of simple structure and convenient assembly and can be used in measurement repeatedly.
Description
Technical field
The utility model relates to bolt detection field, specifically a kind of bolt strained detection device.
Background technology
It is one of removable connection being most widely used in installing that bolt connects.Loosening in order to strengthen rigidity, compactedness, the anti-loose ability of bolt thread connection and to prevent from being subject to transverse load that bolt is connected, majority all needs pretension, pretension directly to react for bolt shaft power while being threaded in assembling.The deflection of bolt shaft power and torsion directly has influence on the reliability of bolt-connection, and therefore bolt strained test is most important.What present stage carried out to bolt that forces testing mainly adopts is first at bolt surface label foil gauge processed, then utilizes the stressed method analyzed of strainmeter to bolt.In this kind of method, the barbola work complexity of foil gauge, on bolt, the signal link of foil gauge is also very difficult.Meanwhile, the bolt of stickup foil gauge can only be served as test bolt and be used, not reproducible use.In addition, only utilize the performance of one of them test bolt being tested to reflect all same model bolts, the test result reference value drawing is little.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of bolt strained detection device, and stressed when this device can be to bolt tightening detects analysis, detects data accurately and reliably, and whole apparatus structure is simple, easy to assembly, can duplicate measurements use.
For solving the problems of the technologies described above, the design feature of bolt strained detection device of the present utility model is the square cell body that comprises that side is uncovered, the square inserted block matching with square groove intracoelomic cavity and above-mentioned the latter is limited in to the detent mechanism in the former, in square inserted block, the end face of spigot and the interior diapire of square cell body are corresponding, on square cell body, be processed with always and put on, the part inwall of the manhole of lower cell wall and this manhole is formed by diapire indent in square cell body, another part inwall is formed by spigot end face indent in square inserted block, in manhole, be pasted with respectively longitudinal strain sheet for measuring axial deformation and for measuring the transverse strain sheet of torsional deflection.
Be used to form in the first inner fovea part of diapire in the square cell body of manhole inwall and offer the first bar shaped deep gouge extending along the vertical direction, described longitudinal strain sheet is mounted on the interior diapire of the first bar shaped deep gouge, offers the first signal line mounting hole that runs through diapire in square cell body on the interior diapire of the first bar shaped deep gouge.
In described the first bar shaped deep gouge diapire mount respectively up and down a slice longitudinal strain sheet, on the manhole inwall of the first bar shaped deep gouge above and below, mount respectively a slice transverse strain sheet.
Be used to form in the second inner fovea part of spigot end face in the square inserted block of manhole inwall and offer the second bar shaped deep gouge extending along the vertical direction, described longitudinal strain sheet is mounted on the interior diapire of the second bar shaped deep gouge, offers the secondary signal line mounting hole that runs through whole square inserted block on the interior diapire of the second bar shaped deep gouge.
In described the second bar shaped deep gouge diapire mount respectively up and down a slice longitudinal strain sheet, on the manhole inwall of the second bar shaped deep gouge above and below, mount respectively a slice transverse strain sheet.
On the exposed face of described square inserted block, be connected with handle.
Described detent mechanism comprises the pilot hole that is opened on square cell body cell wall, be opened on square inserted block and the locating slot corresponding with above-mentioned position of positioning hole and pass pilot hole and be inserted into the register pin in locating slot.
Described detent mechanism comprises the pilot hole that is opened on square cell body cell wall, be opened on square inserted block and the locating slot corresponding with above-mentioned position of positioning hole and pass pilot hole and be inserted into the register pin in locating slot.
The beneficial effects of the utility model are: the screw rod of the bolt of needs test is passed to manhole, bolt head is pressed in the upper surface of square cell body, the bottom spiral shell of screw rod is contained in for supplying its web member being screwed into, under the effect of extruding force and torsion, there is deformation in longitudinal strain sheet and transverse strain sheet, foil gauge is connected with strainmeter by signal wire, in the time tighting a bolt, can analyze axle power and the torsional deflection of bolt by strainmeter.Visible, whole apparatus structure is simple and easy to assembly, can carry out repeated test to bolt.Foil gauge arranges many groups in manhole, ensures to detect the accuracy of data; The installation that handle can facilitate square inserted block is set, easy to operate; Adopt the structure of register pin, facilitated the location of square inserted block and square cell body, avoided relatively moving between the two, ensure the accuracy of foil gauge measurement data.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation that the utility model uses state;
Fig. 2 is the perspective view of square cell body in the utility model;
Fig. 3 is the perspective view of square one of them direction of inserted block in the utility model;
Fig. 4 is the perspective view of square another direction of inserted block in the utility model.
Embodiment
With reference to accompanying drawing, the square inserted block 2 that bolt strained detection device of the present utility model comprises the uncovered square cell body 1 in side, match with square cell body 1 inner chamber and above-mentioned the latter is limited in to the detent mechanism in the former.The detent mechanism that the utility model adopts comprises the pilot hole 6 that is opened on square cell body 1 cell wall, be opened on square inserted block 2 and the locating slot 7 corresponding with above-mentioned pilot hole 6 positions and through pilot hole 6 and be inserted into the register pin 8 in locating slot 7.Easy to assembly and the firm position of this kind of detent mechanism, wherein, detent mechanism can arrange many covers, and the detent mechanism in accompanying drawing respectively arranges a set of in both sides.In addition, for easy to assembly, as shown in Figure 1 and Figure 4, be connected with handle 5 on the exposed face of square inserted block 2, the handle 5 shown in figure is respectively arranging one up and down.
With reference to accompanying drawing, the end face of square inserted block 2 interior spigots is corresponding with the interior diapire of square cell body 1, on square cell body 1, be processed with always wear the manhole of upper and lower cell wall and the part inwall of this manhole by the interior diapire indent of square cell body 1 form, another part inwall forms by the interior spigot end face of square inserted block 2 indent, is pasted with respectively longitudinal strain sheet 3 for measuring axial deformation and for measuring the transverse strain sheet 4 of torsional deflection in manhole.Manhole is used for installing test bolt 30, and because foil gauge is mounted in manhole, therefore, test bolt 30 adopts plain bolt.The screw rod of test bolt 30 is passed to manhole, bolt head is pressed in the upper surface of square cell body 1, the bottom spiral shell of screw rod is contained in for supplying its web member 40 being screwed into, and longitudinal strain sheet 3 and transverse strain sheet 4 are received respectively the effect of extruding force and torsion and deformation is occurred.Foil gauge is connected with strainmeter by signal wire, in the time tighting a bolt, can analyze axle power and the torsional deflection of bolt by strainmeter.Wherein, longitudinal strain sheet and transverse strain sheet are same foil gauge, and the direction that just mounts is different and be called longitudinal strain sheet and transverse strain sheet.
With reference to Fig. 2, be used to form in first inner fovea part 10 of square cell body 1 interior diapire of manhole inwall and offer the first bar shaped deep gouge 11 extending along the vertical direction, longitudinal strain sheet 3 is mounted on the interior diapire of the first bar shaped deep gouge 11, offers the first signal line mounting hole 12 that runs through square cell body 1 interior diapire on the interior diapire of the first bar shaped deep gouge 11.Wherein, concrete mounting structure for foil gauge in the first inner fovea part 10 is: on the manhole inwall that mounts respectively up and down a slice longitudinal strain sheet 3, the first bar shaped deep gouge 11 above and belows of the first bar shaped deep gouge 11 interior diapires, mount respectively a slice transverse strain sheet 4.
With reference to Fig. 3, be used to form in second inner fovea part 20 of the interior spigot end face of square inserted block 2 of manhole inwall and offer the second bar shaped deep gouge 21 extending along the vertical direction, described longitudinal strain sheet 3 is mounted on the interior diapire of the second bar shaped deep gouge 21, offers the secondary signal line mounting hole 22 that runs through whole square inserted block 2 on the interior diapire of the second bar shaped deep gouge 21.Wherein, concrete mounting structure for foil gauge in the first inner fovea part 10 is: on the manhole inwall that mounts respectively up and down a slice longitudinal strain sheet 3, the second bar shaped deep gouge 21 above and belows of the second bar shaped deep gouge 21 interior diapires, mount respectively a slice transverse strain sheet 4.
The connection of not shown signal wire, for signal wire, it,, for connecting foil gauge and strainmeter, is all connected with signal wire on each foil gauge, and signal wire is connected on strainmeter after passing from signal wire mounting hole.
In sum, the utility model is not limited to above-mentioned embodiment.Those skilled in the art, not departing under the prerequisite of spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.
Claims (8)
1. a bolt strained detection device, it is characterized in that the square cell body (1) that comprises that side is uncovered, the square inserted block (2) matching with square cell body (1) inner chamber and above-mentioned the latter is limited in to the detent mechanism in the former, the end face of the interior spigot of square inserted block (2) is corresponding with the interior diapire of square cell body (1), on square cell body (1), be processed with always and put on, the part inwall of the manhole of lower cell wall and this manhole is formed by the interior diapire indent of square cell body (1), another part inwall is formed by the interior spigot end face of square inserted block (2) indent, in manhole, be pasted with respectively longitudinal strain sheet (3) for measuring axial deformation and for measuring the transverse strain sheet (4) of torsional deflection.
2. bolt strained detection device as claimed in claim 1, it is characterized in that offering in first inner fovea part (10) of the interior diapire of square cell body (1) that is used to form manhole inwall the first bar shaped deep gouge (11) extending along the vertical direction, described longitudinal strain sheet (3) is mounted on the interior diapire of the first bar shaped deep gouge (11), offers the first signal line mounting hole (12) that runs through the interior diapire of square cell body (1) on the interior diapire of the first bar shaped deep gouge (11).
3. bolt strained detection device as claimed in claim 2, what it is characterized in that the interior diapire of described the first bar shaped deep gouge (11) mounts respectively a slice longitudinal strain sheet (3) up and down, on the manhole inwall of the first bar shaped deep gouge (11) above and below, mounts respectively a slice transverse strain sheet (4).
4. bolt strained detection device as claimed in claim 1, it is characterized in that offering in second inner fovea part (20) of the interior spigot end face of square inserted block (2) that is used to form manhole inwall the second bar shaped deep gouge (21) extending along the vertical direction, described longitudinal strain sheet (3) is mounted on the interior diapire of the second bar shaped deep gouge (21), offers the secondary signal line mounting hole (22) that runs through whole square inserted block (2) on the interior diapire of the second bar shaped deep gouge (21).
5. bolt strained detection device as claimed in claim 4, what it is characterized in that the interior diapire of described the second bar shaped deep gouge (21) mounts respectively a slice longitudinal strain sheet (3) up and down, on the manhole inwall of the second bar shaped deep gouge (21) above and below, mounts respectively a slice transverse strain sheet (4).
6. the bolt strained detection device as described in any one in claim 1 to 5, is characterized in that being connected with handle (5) on the exposed face of described square inserted block (2).
7. the bolt strained detection device as described in any one in claim 1 to 5, is characterized in that described detent mechanism comprises the pilot hole (6) that is opened on square cell body (1) cell wall, is opened in upper and corresponding with above-mentioned pilot hole (6) the position locating slot (7) of square inserted block (2) and through pilot hole (6) and be inserted into the register pin (8) in locating slot (7).
8. bolt strained detection device as claimed in claim 6, is characterized in that described detent mechanism comprises the pilot hole (6) that is opened on square cell body (1) cell wall, is opened in upper and corresponding with above-mentioned pilot hole (6) the position locating slot (7) of square inserted block (2) and through pilot hole (6) and be inserted into the register pin (8) in locating slot (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005986.7U CN203745120U (en) | 2014-01-06 | 2014-01-06 | Bolt stress detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005986.7U CN203745120U (en) | 2014-01-06 | 2014-01-06 | Bolt stress detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745120U true CN203745120U (en) | 2014-07-30 |
Family
ID=51344907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005986.7U Expired - Fee Related CN203745120U (en) | 2014-01-06 | 2014-01-06 | Bolt stress detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745120U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953767A (en) * | 2016-04-26 | 2016-09-21 | 中国电力科学研究院 | Bolt group stress testing method, bolt stress testing device and connecting device |
| CN107850103A (en) * | 2015-07-09 | 2018-03-27 | Texys.Fr公司 | A kind of screw with foil gauge, the stretching born for measuring bolt and/or shear stress |
| CN114878056A (en) * | 2022-02-28 | 2022-08-09 | 广西玉柴机器股份有限公司 | Method and device for detecting assembling times of high-strength bolt |
-
2014
- 2014-01-06 CN CN201420005986.7U patent/CN203745120U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850103A (en) * | 2015-07-09 | 2018-03-27 | Texys.Fr公司 | A kind of screw with foil gauge, the stretching born for measuring bolt and/or shear stress |
| CN107850103B (en) * | 2015-07-09 | 2019-09-13 | Texys.Fr公司 | A kind of screw with foil gauge, the stretching born for measuring bolt and/or shear stress |
| CN105953767A (en) * | 2016-04-26 | 2016-09-21 | 中国电力科学研究院 | Bolt group stress testing method, bolt stress testing device and connecting device |
| CN105953767B (en) * | 2016-04-26 | 2021-01-22 | 中国电力科学研究院 | Bolt group stress testing method, bolt stress testing device and connecting device |
| CN114878056A (en) * | 2022-02-28 | 2022-08-09 | 广西玉柴机器股份有限公司 | Method and device for detecting assembling times of high-strength bolt |
| CN114878056B (en) * | 2022-02-28 | 2024-01-09 | 广西玉柴机器股份有限公司 | Method and device for detecting assembly times of high-strength bolts |
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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 |
Granted publication date: 20140730 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |