CN201852663U - Detecting device of high-strength bolt - Google Patents
Detecting device of high-strength bolt Download PDFInfo
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- 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
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- 238000001514 detection method Methods 0.000 claims description 33
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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 a detection technology especially indicates a detection device of high strength bolt.
Background
In the building industry, the high-strength bolt connection technology for steel structures has been widely applied, and particularly in recent years, the trend of adopting the high-strength bolt connection technology in steel structures in the construction of industrial and civil facilities such as railways, highway bridges, boilers, industrial plants, high-rise civil buildings, hoisting machinery and the like is continuously expanding. Due to the wide application of the high-strength bolt connection technology, the mechanical properties and the product quality of the high-strength bolt have a great influence on the safety of various buildings, steel structures, heavy machinery and the like, so that in many application environments, each key performance parameter (for example, axial force and screwing torque) of the high-strength bolt needs to be detected to ensure the product quality and safety.
In the prior art, when detecting the axial force of a high-strength bolt, the commonly used detection method is as follows: manually measuring the axial force of the high-strength bolt by using an axial force meter and a resistance strain gauge for multiple times, thereby obtaining the axial force of the high-strength bolt; when the tightening torque of the high-strength bolt is detected, the detection method generally used is as follows: torque is applied to the high-strength bolt to be tested through a torque wrench manually, and then the torque sensor is used for measuring the screwing torque of the high-strength bolt, so that the screwing torque of the high-strength bolt is obtained.
In the prior art, the measurement of the axial force and the torque of the high-strength bolt is manually completed, the precision is not high, and the error ratio of data measured by different measuring personnel is large, so that the precision of a detection result cannot reach an ideal level easily, and human errors are easily introduced; in addition, the measurement of the two parameters is carried out independently, so that the operation is inconvenient; moreover, after the two measurement results are obtained, the related parameters need to be calculated manually, so that the efficiency is low and the error rate is high.
Therefore, how to automatically detect the key technical parameters of the high-strength bolt so as to improve the detection precision of the key technical parameters of the high-strength bolt becomes a problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a detection apparatus for high strength bolt to can detect high strength bolt's technical parameter automatically, improve and detect the precision.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a high-strength bolt detection device, comprising:
the device comprises an axial force counter-force frame, a first through hole, a second through hole and a third through hole, wherein the first through hole is formed in a bearing plate at one end of the axial force counter-force frame, a screw rod of a bolt to be tested can extend out of the axial force counter-force frame and is fixed on the axial line of the axial force counter-force frame through an adaptive nut and a gasket, and the second through hole is coaxial with the first through hole;
the bolt clamp is erected in the axial force counter-force rack and can horizontally move and slide along the axial direction of the axial force counter-force rack, the bolt clamp is provided with a clamping end capable of clamping a nut end of the bolt to be tested, and the other end of the bolt clamp is connected with one end of the force value detector through a connecting screw rod; the clamping end is provided with a third through hole for the screw rod of the bolt to be tested to extend out;
the other end of the force value detector is connected with one end of the tensile screw rod, and the axial force on the tensile screw rod is measured;
the adjusting nut can adjust the horizontal position of the bolt holder, is screwed with the other end of the tensile screw rod, which extends out of the second through hole of the axial force counter-force rack, and is used for erecting the tensile screw rod on the axial force counter-force rack;
the torque applying device can be used for twisting or untwisting the adaptive nut;
a torque detector, one end of which is connected with the torque applying device and measures the torque applied on the adapting nut by the torque applying device;
the control display is provided with a first input end capable of receiving an axial force value measured by the force value detector when the torque applying device applies the torque, a second input end capable of receiving a torque value measured by the torque detector when the torque applying device applies the torque, and a first output end capable of controlling the torque applying device to apply the torque or release the torque according to a preset value and the received axial force value.
The control display also has a third input that receives a predetermined value input by a user.
The control display includes: a processor, a keyboard and a display;
the keyboard is provided with a third input end capable of receiving a preset value input by a user, and the preset value is sent to the processor connected with the keyboard;
the processor is provided with a first input end capable of receiving the axial force value measured by the force value detector when the torque applying device applies torque, a second input end capable of receiving the torque value measured by the torque detector when the torque applying device applies torque, and a first output end capable of controlling the torque applying device to apply torque or remove torque according to a preset value and the received axial force value, and sends the received axial force value, the received torque value and a preset value to the display connected with the processor;
and the display displays the received shaft force value, the torque value and the preset value.
The processor calculates the current torque coefficient according to the received torque value and the received axial force value at the same moment, and sends the current torque coefficient to the display connected with the processor;
the display displays the received current torque coefficient.
The control display further comprises: and the printer can print the torque value, the axial force value and the current torque coefficient.
And the clamping end of the bolt clamp is provided with a bolt positioner capable of clamping the nut end of the bolt to be tested.
The torque applying device is an electric torque wrench.
To sum up, the utility model provides a detection device of high strength bolt. In the detection device of the high-strength bolt, the detection device comprises: the device comprises an axial force counter-force frame, a force value detector, a bolt clamp, a torque applying device, a torque detector, a control display and an adjusting nut. The length of the part of the bolt to be detected, which is screwed with the adaptive nut and extends out of the axial force counter-force rack, can be randomly adjusted by rotating the adjusting nut, so that the detection length of the bolt to be detected can be greatly expanded, and the bolts with various lengths and specifications can be conveniently detected; in addition, the control display can receive a preset value input by a user, and can control the torsion applying device to apply torsion or remove torsion to the adaptive nut according to the preset value and the axial force value measured by the force value detector, so that the detection device of the high-strength bolt can automatically detect the bolt to be detected according to the preset value input by the user, and calculate, display and print corresponding performance parameters, thereby automatically completing the detection of key technical parameters of the high-strength bolt, improving the detection precision, improving the detection means and ensuring the engineering quality.
Drawings
Fig. 1 is the utility model provides a detection device for high strength bolt's structural schematic.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the utility model provides a detection device for high strength bolt's structural schematic. As shown in fig. 1, in the present invention, the detecting device for high-strength bolt includes: the device comprises an axial force counter-force frame 1, a force value detector 2, a bolt clamp 3, a torque applying device 4, a torque detector 5, a control display 6 and an adjusting nut 7; wherein,
a bearing plate 11 at one end of the axial force counter-force frame 1 is provided with a first through hole through which a screw rod of a bolt 10 to be tested can extend out of the axial force counter-force frame 1, is fixed on the axial force counter-force frame 1 through an adaptive nut 13 and a gasket 12 and is positioned on the axis of the axial force counter-force frame, and the other end of the axial force counter-force frame 1 is provided with a second through hole coaxial with the first through hole;
the bolt clamp 3 is erected in the axial force counter-force rack 1, can horizontally move and slide along the axial direction of the axial force counter-force rack 1, is provided with a clamping end capable of clamping the nut end of the bolt 10 to be tested, and the other end of the bolt clamp is connected with one end of the force value detector 2 through a connecting screw rod 9; wherein, the clamping end is also provided with a third through hole for the screw rod of the bolt to be tested 10 to extend out;
further, a bolt positioner 14 capable of clamping the nut end of the bolt to be tested 10 is arranged in the clamping end of the bolt clamp 3;
the other end of the force value detector 2 is connected with one end of the tensile screw 8 and measures the axial force on the tensile screw 8;
the adjusting nut 7 can adjust the horizontal position of the bolt holder 3, is screwed with the other end of the tensile screw 8, which extends out of the second through hole of the axial force counter-force frame 1, and is used for erecting the tensile screw 8 on the axial force counter-force frame 1;
a torque applying device 4 capable of applying torque to the adapter nut 13 or removing torque from the adapter nut 13; in an embodiment of the present invention, the torque applying device 4 may be an electric torque wrench.
A torque detector 5, one end of which is connected with the torque applying device 4 and measures the torque applied on the adapting nut 13 by the torque applying device 4;
a control display 6, having a first input end capable of receiving the axial force value measured by the force value detector 2 when the torque applying device 4 applies torque, a second input end capable of receiving the torque value measured by the torque detector 5 when the torque applying device 4 applies torque, and a first output end capable of controlling the torque applying device 4 to apply or release torque according to a preset value and the received axial force value; and may calculate the required performance parameters (e.g., current torque coefficient) based on the received torque value and the axle force value at the same time.
Further, the control display 6 also has a third input (not shown in fig. 1) that can receive a predetermined value input by a user.
In a specific embodiment of the present invention, the control display 6 specifically may include: a processor, a keyboard, and a display.
The keyboard is provided with a third input end capable of receiving a preset value input by a user, and the preset value is sent to the processor connected with the keyboard;
the processor is provided with a first input end capable of receiving the axial force value measured by the force value detector 2 when the torque applying device 4 applies torque, a second input end capable of receiving the torque value measured by the torque detector 5 when the torque applying device 4 applies torque, and a first output end capable of controlling the torque applying device 4 to apply or remove torque according to a preset value and the received axial force value, and sends the received axial force value, the received torque value and a preset value to the display connected with the processor;
and the display displays the received shaft force value, the torque value and the preset value.
In addition, the processor can also calculate required performance parameters (such as the current torque coefficient) according to the received torque value and the received axial force value at the same moment, and send the calculated performance parameters (such as the current torque coefficient) to the display connected with the processor; the display, in turn, may display the received calculated performance parameter (e.g., current torque coefficient).
In addition, the control display includes a printer that prints the torque values, axial force values, and the calculated performance parameters (e.g., current torque coefficients).
In the embodiment of the present invention, when the detecting device for high-strength bolt is used to detect high-strength bolt, a plurality of preset values may be set according to actual needs, and the preset values may be values pre-stored in the detecting device for high-strength bolt or values input by a user in real time; then, fixing the nut end of the bolt 10 to be tested on the bolt holder 3 (for example, the nut end of the bolt 10 to be tested can be held on the bolt holder 3 through the bolt positioner 14), and enabling the screw rod of the bolt 10 to be tested to sequentially pass through the third through hole on the bolt holder 3, the first through hole on the bearing plate 11 of the axial force reaction frame 1 and the gasket 12, and be screwed with the adaptive nut 13; at this time, the adjusting nut 7 can be rotated to enable the bolt holder 3 to translate along the axial direction of the tensile screw 8, and the horizontal position of the bolt holder 3 can be adjusted, so that the length of the part, extending out of the axial force counter-force rack 1, of the screwed end of the bolt 10 to be tested and the adapting nut 13 can be adjusted, and the twisting device 4 can conveniently apply and remove the twist to the adapting nut 13.
In an embodiment of the present invention, the control display 6 may control the torque applying device 4 to apply torque or remove torque to the adapting nut 13, for example, the control display 6 may send a torque applying command to the torque applying device 4 (for example, turn on the power supply of the torque applying device 4), so that the torque applying device 4 starts to apply torque to the adapting nut 13, i.e., apply torque; when the axial force value measured by the force value detector 2 is equal to the predetermined value, the control display 6 will send a stop instruction to the torque application device (for example, cut off the power supply of the torque application device 4), so that the torque application device 4 stops twisting the adapter nut 13; at this time, the current torque value can be measured by the torque detector 5, and then the control display 6 calculates the current torque coefficient and other corresponding performance parameters according to the current torque value and the axial force value; meanwhile, the control display 6 can also display and/or print performance parameters such as a current torque value, an axial force value, a torque coefficient and the like; in addition, when the bolt to be tested needs to be unloaded, the control display 6 can send a torque unloading instruction to the torque applying device, so that the torque applying device 4 unloads the torque of the adaptive nut 13, namely, unloads the torque, so as to conveniently unload or replace the bolt to be tested.
In summary, the embodiment of the present invention provides the detecting device for the high-strength bolt. Because the detection device of the high-strength bolt comprises the axial force counter-force frame 1, the force value detector 2, the bolt clamp 3, the torque applying device 4, the torque detector 5, the control display 6 and the adjusting nut 7, the length of the part of one end, which is screwed with the adapting nut 13, of the bolt to be detected 10, which extends out of the axial force counter-force frame 1, can be randomly adjusted by rotating the adjusting nut 7, so that the detection length of the bolt to be detected can be greatly expanded, and the bolts with various lengths and specifications can be conveniently detected; in addition, since the control display 6 can receive a preset value input by a user and can control the torque applying device 4 to apply or remove torque to the adapting nut 13 according to the preset value and the axial force value measured by the force value detector 2, therefore, the detection device of the high-strength bolt can automatically detect the bolt to be detected according to the preset value input by the user, calculate, display and print corresponding performance parameters, therefore, composite detection of the axial force and the torque of the high-strength bolt can be automatically completed (namely, the axial force and the torque of the high-strength bolt are simultaneously detected), and the axial force and the torque of the high-strength bolt are not manually and independently detected respectively, so that the working efficiency is effectively improved, the detection precision of key technical parameters of the high-strength bolt is improved, and corresponding detection means are improved, so that the engineering quality can be ensured. Furthermore, the utility model provides a detection device of high strength bolt, but wide application in fields such as high strength bolt manufacturing enterprise, steel construction manufacturing enterprise, building engineering quality inspection mechanism and power plant, bridge, industry, civil construction.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A detection device for a high-strength bolt is characterized by comprising:
the device comprises an axial force counter-force frame, a first through hole, a second through hole and a third through hole, wherein the first through hole is formed in a bearing plate at one end of the axial force counter-force frame, a screw rod of a bolt to be tested can extend out of the axial force counter-force frame and is fixed on the axial line of the axial force counter-force frame through an adaptive nut and a gasket, and the second through hole is coaxial with the first through hole;
the bolt clamp is erected in the axial force counter-force rack and can horizontally move and slide along the axial direction of the axial force counter-force rack, the bolt clamp is provided with a clamping end capable of clamping a nut end of the bolt to be tested, and the other end of the bolt clamp is connected with one end of the force value detector through a connecting screw rod; the clamping end is provided with a third through hole for the screw rod of the bolt to be tested to extend out;
the other end of the force value detector is connected with one end of the tensile screw rod, and the axial force on the tensile screw rod is measured;
the adjusting nut can adjust the horizontal position of the bolt holder, is screwed with the other end of the tensile screw rod, which extends out of the second through hole of the axial force counter-force rack, and is used for erecting the tensile screw rod on the axial force counter-force rack;
the torque applying device can be used for twisting or untwisting the adaptive nut;
a torque detector, one end of which is connected with the torque applying device and measures the torque applied on the adapting nut by the torque applying device;
the control display is provided with a first input end capable of receiving an axial force value measured by the force value detector when the torque applying device applies the torque, a second input end capable of receiving a torque value measured by the torque detector when the torque applying device applies the torque, and a first output end capable of controlling the torque applying device to apply the torque or release the torque according to a preset value and the received axial force value.
2. The high-strength bolt detection device according to claim 1, wherein: the control display also has a third input that receives a predetermined value input by a user.
3. The high-strength bolt detection apparatus as claimed in claim 2, wherein the control display comprises: a processor, a keyboard and a display;
the keyboard is provided with a third input end capable of receiving a preset value input by a user, and the preset value is sent to the processor connected with the keyboard;
the processor is provided with a first input end capable of receiving the axial force value measured by the force value detector when the torque applying device applies torque, a second input end capable of receiving the torque value measured by the torque detector when the torque applying device applies torque, and a first output end capable of controlling the torque applying device to apply torque or remove torque according to a preset value and the received axial force value, and sends the received axial force value, the received torque value and a preset value to the display connected with the processor;
and the display displays the received shaft force value, the torque value and the preset value.
4. The high-strength bolt detection device according to claim 3, wherein:
the processor calculates the current torque coefficient according to the received torque value and the received axial force value at the same moment, and sends the current torque coefficient to the display connected with the processor;
the display displays the received current torque coefficient.
5. The high-strength bolt detection apparatus as claimed in claim 4, wherein the control display further comprises: and the printer can print the torque value, the axial force value and the current torque coefficient.
6. The high-strength bolt detection device according to claim 1, wherein:
and the clamping end of the bolt clamp is provided with a bolt positioner capable of clamping the nut end of the bolt to be tested.
7. The high-strength bolt detection device according to claim 1, wherein: the torque applying device is an electric torque wrench.
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 |
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| CN201852663U true CN201852663U (en) | 2011-06-01 |
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| 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 |
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| CN (1) | CN201852663U (en) |
Cited By (17)
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| 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 |
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- 2010-09-17 CN CN2010205353327U patent/CN201852663U/en not_active Expired - Fee Related
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| 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 |
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