CN201852663U - Detecting device of high-strength bolt - Google Patents
Detecting device of high-strength bolt Download PDFInfo
- Publication number
- CN201852663U CN201852663U CN2010205353327U CN201020535332U CN201852663U CN 201852663 U CN201852663 U CN 201852663U CN 2010205353327 U CN2010205353327 U CN 2010205353327U CN 201020535332 U CN201020535332 U CN 201020535332U CN 201852663 U CN201852663 U CN 201852663U
- Authority
- CN
- China
- Prior art keywords
- value
- bolt
- axle power
- torque
- executing
- 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
Images
Abstract
The utility model provides a detecting device of a high-strength bolt, comprising an axial force counter-force stand, a force value detector, a bolt holder, a torque applying device, a torque detector, a control display and an adjusting nut. By using the detecting device of the high-strength bolt, the detecting precision of key technical parameters of the high-strength bolt can be improved, and the detecting means is improved, and thereby the project quality is ensured.
Description
Technical field
The utility model relates to detection technique, refers in particular to a kind of pick-up unit of high-strength bolt.
Background technology
In building trade, steel construction high-strength bolt interconnection technique has obtained using very widely, particularly in recent years, in the steel construction in industry such as railway, highway bridge, boiler, industrial premises, high-rise civil building, hoisting machinery and civilian installation are built, adopt the trend of high-strength bolt interconnection technique constantly to enlarge.Because being extensive use of of above-mentioned high-strength bolt interconnection technique, the mechanical property of high-strength bolt and product quality will cause bigger influence to the security of various buildingss, steel construction, heavy-duty machinery etc., so, in a lot of applied environments, (for example all need each crucial performance parameter of high-strength bolt, axle power and execute screwing torque) detect, to ensure the quality and safety of product.
In the prior art, when detecting the axle power of high-strength bolt, normally used detection method is: take multiple measurements by artificial use axle power meter and the electric wire strain gauge axle power to high-strength bolt, thereby obtain the axle power of this high-strength bolt; And detect high-strength bolt execute screwing torque the time, normally used detection method is: apply torsion by artificial use dial torque wrench on high-strength bolt to be measured, and then use torque sensor that the screwing torque of executing of this high-strength bolt is measured, thereby obtain the screwing torque of executing of this high-strength bolt.
In above-mentioned prior art, all by manually finishing, precision is not high for the measurement of the axle power of high-strength bolt and moment of torsion, and the error ratio between the measured data of different survey crews is bigger, therefore the degree of accuracy of testing result is difficult to reach desirable level, introduces personal error easily; In addition, the measurement of above-mentioned two kinds of parameters is carried out separately, and is inconvenient in the operation; And, after obtaining above-mentioned two kinds of measurement results, also needing correlation parameter to be calculated by artificial mode, efficient is very low, and the error rate height.
Hence one can see that, and how automatically to the detection of high-strength bolt guardian technique parameter, thereby the accuracy of detection that improves high-strength bolt guardian technique parameter has become problem demanding prompt solution in this area.
The utility model content
The utility model provides a kind of pick-up unit of high-strength bolt, thereby can be automatically the technical parameter of high-strength bolt be detected, and improves accuracy of detection.
For achieving the above object, the technical scheme in the utility model is achieved in that
A kind of pick-up unit of high-strength bolt, this device comprises:
Axle power counter-force frame, offer on the bearing plate of one end can for the screw rod of bolt to be measured stretch out described axle power counter-force frame outer and by adaptive nut and spacers first through hole on the axis that is positioned at described axle power counter-force frame on the described axle power counter-force frame, its other end offers second through hole coaxial with described first through hole;
The bolt clamper is set up in the described axle power counter-force frame and also can slides along the axial translation of described axle power counter-force frame, but it has the bare terminal end of the nut end of the described bolt to be measured of clamping, and its other end is connected by the end of connecting screw rod with power value detecting device; Wherein, offer the third through-hole that can stretch out on the described bare terminal end for the screw rod of bolt to be measured;
Power value detecting device, its other end is connected with an end that bears screw rod, and measures the described axle power that bears on the screw rod;
The setting nut of the horizontal level of the described bolt clamper of scalable, itself and describedly bear the other end that second through hole of screw rod by described axle power counter-force frame stretch out and spin, will describedly bear screw rod and be placed on the described power counter-force frame;
Can add described adaptive nut and turn round or unload executing of turning round and turn round device;
Torque detector, the one end is turned round device and is connected with described executing, and measures described executing and turn round device and be applied to moment of torsion on the described adaptive nut;
The control display has and can receive described power value detecting device and describedly executing the first input end turning round device and add the axle power value that records when turning round, can receive described torque detector and turn round device and add second input end of the torque value that records when turning round and can control described executing according to preset value and the axle that is received power value and turn round device and add and turn round or unload first output terminal of turning round described executing.
Described control display also has the 3rd input end of the predetermined value that can receive user's input.
Described control display comprises: processor, keyboard and display;
Described keyboard, it has the 3rd input end of the predetermined value of the described user's of reception input, and described predetermined value is sent to coupled described processor;
Described processor, it has and describedly receives described power value detecting device and describedly executing the first input end turning round device and add the axle power value that records when turning round, can receive described torque detector and turn round device and add second input end of the torque value that records when turning round and can turn round device and add and turn round or unload first output terminal of turning round according to described the executing of preset value and the control of the axle that is received power value described executing, and axle power value, torque value and the predetermined value of its reception is sent to coupled described display;
Described display shows axle power value, torque value and predetermined value that it is received.
Described processor calculates current torque coefficient according to the torque value and the axle power value of received synchronization, and described current torque coefficient is sent to coupled described display;
Described display shows received current torque coefficient.
Described control display also comprises: the printer of printable described torque value, axle power value and current torque coefficient.
But the bolt steady arm that has the nut end of the described bolt to be measured of clamping in the bare terminal end of described bolt clamper.
Describedly execute that to turn round device be the electric torque spanner.
A kind of pick-up unit of high-strength bolt is provided in the utility model in summary.In the pick-up unit of described high-strength bolt, comprising: axle power counter-force frame, power value detecting device, bolt clamper, execute and turn round device, torque detector, control display and setting nut.Since by the rotation setting nut can regulated at will bolt to be measured and the end projecting shaft power counter-force frame that spins of adaptive nut outside the length of part, thereby can expand the detection length of bolt to be measured greatly, so that the bolt of all lengths, specification is detected; In addition, because the control display can receive the predetermined value of user's input, and can turn round device and described adaptive nut is added turn round or unload and turn round according to described the executing of the axle power value control that described predetermined value and described power value detecting device record, therefore make the pick-up unit of above-mentioned high-strength bolt automatically bolt to be measured to be detected according to the predetermined value of user's input, and calculate, show, print corresponding performance parameter, thereby can finish detection automatically to the critical technical parameter of high-strength bolt, improve accuracy of detection, improve detection means, to guarantee construction quality.
Description of drawings
Fig. 1 is the structural representation of the pick-up unit of the high-strength bolt in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage express clearlyer, the utility model is further described in more detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the structural representation of the pick-up unit of the high-strength bolt in the utility model.As shown in Figure 1, in the utility model, the pick-up unit of described high-strength bolt comprises: axle power counter-force frame 1, power value detecting device 2, bolt clamper 3, execute and turn round device 4, torque detector 5, control display 6 and setting nut 7; Wherein,
Axle power counter-force frame 1, offer on the bearing plate 11 of one end that can to stretch out described axle power counter-force frame 1 for the screw rod of bolt 10 to be measured outer and be fixed on the described axle power counter-force frame 1 and be positioned at first through hole on the axis of described axle power counter-force frame by adaptive nut 13 and pad 12, its other end offers second through hole coaxial with described first through hole;
Further, but also have the bolt steady arm 14 of the nut end of the described bolt 10 to be measured of clamping in the bare terminal end of described bolt clamper 3;
Power value detecting device 2, its other end is connected with an end that bears screw rod 8, and measures the described axle power that bears on the screw rod 8;
The setting nut 7 of the horizontal level of the described bolt clamper 3 of scalable, itself and describedly bear the other end that second through hole of screw rod 8 by described axle power counter-force frame 1 stretch out and spin, will describedly bear screw rod 8 and be placed on the described power counter-force frame 1;
Can add to turn round (promptly applying moment of torsion) or unload to described adaptive nut 13 and turn round executing of (promptly unloading moment of torsion) and turn round device 4; In specific embodiment of the utility model, describedly execute that to turn round device 4 can be the electric torque spanner.
Torque detector 5, the one end is turned round device 4 and is connected with described executing, and measures described executing and turn round device 4 and be applied to moment of torsion on the described adaptive nut 13;
Control display 6 has and can receive described power value detecting device 2 and describedly executing the first input end turning round device 4 and add the axle power value that records when turning round, can receive described torque detector 5 and turn round device 4 and add second input end of the torque value that records when turning round and can control described executing according to preset value and the axle that is received power value and turn round device 4 and add and turn round or unload first output terminal of turning round described executing; And can calculate a required performance parameter (for example, current torque coefficient) according to the torque value of received synchronization and axle power value.
Further, described control display 6 also has the 3rd input end (not shown in figure 1) of the predetermined value that can receive user's input.
In specific embodiment of the utility model, described control display 6 specifically can comprise: processor, keyboard and display.
Wherein, described keyboard, it has the 3rd input end of the predetermined value of the described user's of reception input, and described predetermined value is sent to coupled described processor;
Described processor, it has and describedly receives described power value detecting device 2 and describedly executing the first input end turning round device 4 and add the axle power value that records when turning round, can receive described torque detector 5 and turn round device 4 and add second input end of the torque value that records when turning round and can turn round device 4 and add and turn round or unload first output terminal of turning round according to described the executing of preset value and the control of the axle that is received power value described executing, and axle power value, torque value and the predetermined value of its reception is sent to coupled described display;
Described display shows axle power value, torque value and predetermined value that it is received.
In addition, described processor also can calculate a required performance parameter (for example, current torque coefficient) according to the torque value of received synchronization and axle power value, and the performance parameter that calculates (for example, current torque coefficient) is sent to coupled described display; And described display then can show the received performance parameter that calculates (for example, current torque coefficient).
In addition, the printer that also comprises a printable described torque value, axle power value and the described performance parameter that calculates (for example, current torque coefficient) in the described control display.
In specific embodiment of the utility model, when the pick-up unit of stating described high-strength bolt in the use detects high-strength bolt, at first several preset values can be set according to actual needs, described preset value can be the numerical value that is stored in advance in the pick-up unit of described high-strength bolt, also can be by user's numerical value of input in real time; (for example then the nut end of bolt 10 to be measured is fixed on the bolt clamper 3, the nut end of bolt 10 to be measured can be clamped on the bolt clamper 3 by bolt steady arm 14), and make the screw rod of described bolt to be measured 10 pass first through hole and the pad 12 on the bearing plate 11 of third through-hole on the bolt clamper 3, axle power counter-force frame 1 successively, spin with adaptive nut 13; At this moment, can be by rotation setting nut 7, make bolt clamper 3 axially carry out translation along what bear screw rod 8, regulate the horizontal level of described bolt clamper 3, thereby can regulate the length of the part outside the end projecting shaft power counter-force frame 1 that described bolt to be measured 10 and adaptive nut 13 spin, turn round 4 pairs of adaptive nuts 13 of device and add and turn round and unload and turn round so that execute.
In specific embodiment of the utility model, above-mentioned control display 6 may command are described to be executed and turns round 4 pairs of described adaptive nuts 13 of device and add and turn round or unload and turn round, for example, described control display 6 can be turned round device 4 and sends to add and (for example turn round instruction to described executing, connect the described power supply of turning round device 4 of executing), make described executing turn round device 4 and begin described adaptive nut 13 is applied moment of torsion, promptly add and turn round; When the axle power value that records when described power value detecting device 2 equals described predetermined value, described control display 6 will (for example send halt instruction to the moment of torsion bringing device, cut off the described power supply of turning round device 4 of executing), make described executing turn round device 4 and stop described adaptive nut 13 added and turn round; At this moment, can record current torque value by torque detector 5 earlier, described then control display 6 calculates corresponding performance parameters such as current torque coefficient according to current torque value and axle power value; Simultaneously, described control display 6 also can show and/or print performance parameters such as current torque value, axle power value and torque coefficient; In addition, when needs unloaded described bolt to be measured, described control display 6 can send unload to the moment of torsion bringing device turned round instruction, made described executing turn round 4 pairs of described adaptive nuts 13 of device and unload and turn round, and promptly unloaded moment of torsion, so that bolt to be measured is unloaded or changes.
The pick-up unit of above-mentioned high-strength bolt has been proposed in embodiment of the present utility model in summary.Owing to comprise a power counter-force frame 1, power value detecting device 2, bolt clamper 3 in the pick-up unit of above-mentioned high-strength bolt, execute and turn round device 4, torque detector 5, control display 6 and setting nut 7, and the length of the part outside the end projecting shaft power counter-force frame 1 that can the described bolt 10 to be measured of regulated at will spins with adaptive nut 13 by rotation setting nut 7, thereby can expand the detection length of bolt to be measured greatly, so that the bolt of all lengths, specification is detected; In addition, because control display 6 can receive the predetermined value of user's input, and can turn round 4 pairs of described adaptive nuts 13 of device and add and turn round or unload and turn round according to described the executing of the axle power value control that described predetermined value and described power value detecting device 2 record, therefore make the pick-up unit of above-mentioned high-strength bolt automatically bolt to be measured to be detected according to the predetermined value of user's input, and calculate, show, print corresponding performance parameter, thereby the axle power moment of torsion that can automatically finish high-strength bolt carries out compound detection (promptly axle power and the moment of torsion to high-strength bolt detects simultaneously), rather than individually the axle power and the moment of torsion of high-strength bolt detected respectively by artificial, improved work efficiency effectively, improved the accuracy of detection of the guardian technique parameter of high-strength bolt, improve the relevant detection means, thereby can guarantee construction quality.In addition, the pick-up unit of the high-strength bolt in the utility model can be widely used in fields such as high-strength bolt manufacturing enterprise, steel construction manufacturing enterprise, construction work quality inspection organization and power plant, bridge, industry, covil construction.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (7)
1. the pick-up unit of a high-strength bolt is characterized in that, this device comprises:
Axle power counter-force frame, offer on the bearing plate of one end can for the screw rod of bolt to be measured stretch out described axle power counter-force frame outer and by adaptive nut and spacers first through hole on the axis that is positioned at described axle power counter-force frame on the described axle power counter-force frame, its other end offers second through hole coaxial with described first through hole;
The bolt clamper is set up in the described axle power counter-force frame and also can slides along the axial translation of described axle power counter-force frame, but it has the bare terminal end of the nut end of the described bolt to be measured of clamping, and its other end is connected by the end of connecting screw rod with power value detecting device; Wherein, offer the third through-hole that can stretch out on the described bare terminal end for the screw rod of bolt to be measured;
Power value detecting device, its other end is connected with an end that bears screw rod, and measures the described axle power that bears on the screw rod;
The setting nut of the horizontal level of the described bolt clamper of scalable, itself and describedly bear the other end that second through hole of screw rod by described axle power counter-force frame stretch out and spin, will describedly bear screw rod and be placed on the described power counter-force frame;
Can add described adaptive nut and turn round or unload executing of turning round and turn round device;
Torque detector, the one end is turned round device and is connected with described executing, and measures described executing and turn round device and be applied to moment of torsion on the described adaptive nut;
The control display has and can receive described power value detecting device and describedly executing the first input end turning round device and add the axle power value that records when turning round, can receive described torque detector and turn round device and add second input end of the torque value that records when turning round and can control described executing according to preset value and the axle that is received power value and turn round device and add and turn round or unload first output terminal of turning round described executing.
2. the pick-up unit of high-strength bolt according to claim 1 is characterized in that: described control display also has the 3rd input end of the predetermined value that can receive user's input.
3. the pick-up unit of high-strength bolt according to claim 2 is characterized in that, described control display comprises: processor, keyboard and display;
Described keyboard, it has the 3rd input end of the predetermined value of the described user's of reception input, and described predetermined value is sent to coupled described processor;
Described processor, it has and describedly receives described power value detecting device and describedly executing the first input end turning round device and add the axle power value that records when turning round, can receive described torque detector and turn round device and add second input end of the torque value that records when turning round and can turn round device and add and turn round or unload first output terminal of turning round according to described the executing of preset value and the control of the axle that is received power value described executing, and axle power value, torque value and the predetermined value of its reception is sent to coupled described display;
Described display shows axle power value, torque value and predetermined value that it is received.
4. the pick-up unit of high-strength bolt according to claim 3 is characterized in that:
Described processor calculates current torque coefficient according to the torque value and the axle power value of received synchronization, and described current torque coefficient is sent to coupled described display;
Described display shows received current torque coefficient.
5. the pick-up unit of high-strength bolt according to claim 4 is characterized in that, described control display also comprises: the printer of printable described torque value, axle power value and current torque coefficient.
6. the pick-up unit of high-strength bolt according to claim 1 is characterized in that:
But the bolt steady arm that has the nut end of the described bolt to be measured of clamping in the bare terminal end of described bolt clamper.
7. the pick-up unit of high-strength bolt according to claim 1 is characterized in that: describedly execute that to turn round device be the electric torque spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205353327U CN201852663U (en) | 2010-09-17 | 2010-09-17 | Detecting device of high-strength bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205353327U CN201852663U (en) | 2010-09-17 | 2010-09-17 | Detecting device of high-strength bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852663U true CN201852663U (en) | 2011-06-01 |
Family
ID=44095052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205353327U Expired - Fee Related CN201852663U (en) | 2010-09-17 | 2010-09-17 | Detecting device of high-strength bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852663U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636397A (en) * | 2012-04-19 | 2012-08-15 | 山西潞安环保能源开发股份有限公司 | Device and method for rapidly testing comprehensive mechanical properties of anchor bolt |
| CN103115707A (en) * | 2011-11-17 | 2013-05-22 | 李树国 | Testing device of torsion tool |
| CN103162900A (en) * | 2013-02-28 | 2013-06-19 | 国电联合动力技术有限公司 | Embedded type bolt shaft force sensor calibration system and usage method thereof |
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN103487246A (en) * | 2013-09-22 | 2014-01-01 | 黄卫峰 | Adjustable device for detecting hexagon nut |
| CN104330313A (en) * | 2014-11-22 | 2015-02-04 | 福建农林大学 | Analysis meter for axial tension load of bolt and operation method of analysis meter for axial tension load of bolt |
| CN105606289A (en) * | 2016-03-17 | 2016-05-25 | 西北工业大学 | Bolt tightening torque coefficient measuring device |
| CN106404263A (en) * | 2016-08-31 | 2017-02-15 | 河南航天精工制造有限公司 | Tooth wheel groove screw bolt pulling and twisting characteristic detection method and special-purpose wrench |
| CN106706281A (en) * | 2016-09-28 | 2017-05-24 | 温州冶金机械测试研究所 | Detecting instrument used for detecting reasonable assembly torque of fastener and testing method |
| CN107314895A (en) * | 2017-07-05 | 2017-11-03 | 深圳市樊溪电子有限公司 | The rotation detection device and detection method of a kind of wind-powered electricity generation structure stud |
| CN108168762A (en) * | 2017-12-28 | 2018-06-15 | 四川中核艾瑞特工程检测有限公司 | A kind of auxiliary device for measuring torque coefficient of bolt |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
| CN110702296A (en) * | 2019-10-25 | 2020-01-17 | 杭州国华检测技术有限公司 | Bolt detection device |
| CN110926931A (en) * | 2019-12-25 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Torsion-tension relation measuring device and method for airplane hinge structure |
| CN113820060A (en) * | 2021-10-27 | 2021-12-21 | 湖南中机申亿检测技术有限公司 | Axial force attenuation test system |
| CN114577394A (en) * | 2022-03-04 | 2022-06-03 | 北京理工大学 | Bolt fastening axial tensile stress detection calibration method and device |
| CN115963007A (en) * | 2023-02-10 | 2023-04-14 | 西南交通大学 | Force measuring bolt calibration test device |
-
2010
- 2010-09-17 CN CN2010205353327U patent/CN201852663U/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115707A (en) * | 2011-11-17 | 2013-05-22 | 李树国 | Testing device of torsion tool |
| CN103115707B (en) * | 2011-11-17 | 2015-08-19 | 李树国 | The proving installation of dynamic torque tool |
| CN102636397A (en) * | 2012-04-19 | 2012-08-15 | 山西潞安环保能源开发股份有限公司 | Device and method for rapidly testing comprehensive mechanical properties of anchor bolt |
| CN103162900B (en) * | 2013-02-28 | 2015-03-11 | 国电联合动力技术有限公司 | Embedded type bolt shaft force sensor calibration system and usage method thereof |
| CN103162900A (en) * | 2013-02-28 | 2013-06-19 | 国电联合动力技术有限公司 | Embedded type bolt shaft force sensor calibration system and usage method thereof |
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN103487246A (en) * | 2013-09-22 | 2014-01-01 | 黄卫峰 | Adjustable device for detecting hexagon nut |
| CN104330313A (en) * | 2014-11-22 | 2015-02-04 | 福建农林大学 | Analysis meter for axial tension load of bolt and operation method of analysis meter for axial tension load of bolt |
| CN105606289A (en) * | 2016-03-17 | 2016-05-25 | 西北工业大学 | Bolt tightening torque coefficient measuring device |
| CN106404263A (en) * | 2016-08-31 | 2017-02-15 | 河南航天精工制造有限公司 | Tooth wheel groove screw bolt pulling and twisting characteristic detection method and special-purpose wrench |
| CN106706281A (en) * | 2016-09-28 | 2017-05-24 | 温州冶金机械测试研究所 | Detecting instrument used for detecting reasonable assembly torque of fastener and testing method |
| CN107314895A (en) * | 2017-07-05 | 2017-11-03 | 深圳市樊溪电子有限公司 | The rotation detection device and detection method of a kind of wind-powered electricity generation structure stud |
| CN107314895B (en) * | 2017-07-05 | 2018-10-09 | 福州市长乐区三互信息科技有限公司 | A kind of rotation detection device and detection method of wind-powered electricity generation structure stud |
| CN108168762A (en) * | 2017-12-28 | 2018-06-15 | 四川中核艾瑞特工程检测有限公司 | A kind of auxiliary device for measuring torque coefficient of bolt |
| CN108168762B (en) * | 2017-12-28 | 2020-11-10 | 四川中核艾瑞特工程检测有限公司 | Auxiliary device for measuring torque coefficient of bolt |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
| US10828759B2 (en) | 2018-02-28 | 2020-11-10 | Tohnichi Mfg. Co., Ltd. | Tensioning device |
| CN110418948B (en) * | 2018-02-28 | 2021-05-07 | 株式会社东日制作所 | Pulling device |
| CN110702296A (en) * | 2019-10-25 | 2020-01-17 | 杭州国华检测技术有限公司 | Bolt detection device |
| CN110702296B (en) * | 2019-10-25 | 2021-08-24 | 杭州国华检测技术有限公司 | Bolt detection device |
| CN110926931A (en) * | 2019-12-25 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Torsion-tension relation measuring device and method for airplane hinge structure |
| CN110926931B (en) * | 2019-12-25 | 2023-01-13 | 中国航空工业集团公司西安飞机设计研究所 | Torsion-tension relation measuring device and method for airplane hinge structure |
| CN113820060A (en) * | 2021-10-27 | 2021-12-21 | 湖南中机申亿检测技术有限公司 | Axial force attenuation test system |
| CN114577394A (en) * | 2022-03-04 | 2022-06-03 | 北京理工大学 | Bolt fastening axial tensile stress detection calibration method and device |
| CN115963007A (en) * | 2023-02-10 | 2023-04-14 | 西南交通大学 | Force measuring bolt calibration test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201852663U (en) | Detecting device of high-strength bolt | |
| CN203275002U (en) | Simple device for measuring axial force, turn angle and elongation of bolt | |
| CN203396532U (en) | Torque wrench calibrator | |
| CN103163016A (en) | Auxiliary device for carrying out axial tension test on quasi brittle materials | |
| CN103162900B (en) | Embedded type bolt shaft force sensor calibration system and usage method thereof | |
| CN110967143A (en) | Portable bolt fastening force ultrasonic detection coefficient calibration device | |
| CN111982482A (en) | Automatic detection equipment for electric wrench performance test | |
| CN104132766B (en) | High-precision torque detection device | |
| CN203385347U (en) | Shaft step size gauge | |
| CN102193039A (en) | Linear tester and test method for potentiometers | |
| CN202661020U (en) | Tool used for measuring depth of conical hole in deep hole | |
| CN103047939A (en) | Evaluating method for engineering applicability of fiber bragg grating strain sensor | |
| CN203100972U (en) | Pre-embedded bolt axial force sensor calibrating system | |
| CN202684821U (en) | Side force-free automatic detection device for torque wrench | |
| CN203908429U (en) | Protractor used for high strength bolt rotation angle method inspection | |
| CN203732201U (en) | Calibration device used for calibrating torque spanner detection instrument | |
| CN203881624U (en) | Pressure testing machine | |
| CN207396254U (en) | A kind of auxiliary device based on the calibrating of bolt torsion tester torque | |
| CN2800251Y (en) | Belt wheel type torsional moment transducer | |
| CN201611248U (en) | Error comparing measuring instrument for taper angle of taper hole | |
| CN201423554Y (en) | Broach force auxiliary measuring device | |
| CN205138714U (en) | A electromechanical automatic loading device for balance calibration system | |
| CN204902694U (en) | Aperture measuring device | |
| CN102865966B (en) | Continuous operation torque calibration and check system | |
| CN103105253B (en) | Device for measuring torque of torsion bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20130917 |