CN115979798A - Joint for detecting welding torque strength of screw and using method thereof - Google Patents
Joint for detecting welding torque strength of screw and using method thereof Download PDFInfo
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- CN115979798A CN115979798A CN202310265370.7A CN202310265370A CN115979798A CN 115979798 A CN115979798 A CN 115979798A CN 202310265370 A CN202310265370 A CN 202310265370A CN 115979798 A CN115979798 A CN 115979798A
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Abstract
The invention discloses a joint for detecting the welding torque strength of a screw and a using method thereof, wherein the joint comprises a joint main body and a separable clamping block; a notch is formed in one side of the bottom of the connector main body to form an L-shaped section, the L-shaped section comprises a longitudinal section and a transverse section which is perpendicular to the longitudinal section and located at the top of the longitudinal section, and the separable clamping block is installed at the notch through a bolt and is in butt joint with the longitudinal section of the L-shaped section; and after the separable clamping block is arranged in the notch of the joint main body, the first half thread groove and the second half thread groove are spliced to form a threaded hole for screwing in a screw to be tested. And if the screw to be tested breaks in the detection process, the bolt on the joint is dismounted, the separable clamping block is separated from the joint main body, and the screw to be tested broken in the joint is taken out of the joint.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a joint for detecting the welding torque strength of a screw and a using method thereof.
Background
The welding strength of the screw and a workpiece comprises pull-out strength and torsion torque strength, most common structural parts are M5 and M6, the breaking torque of the screw with a small diameter is usually below 15N.m, when the torque strength of the screw with the small diameter is detected, the torque wrench is slightly stressed, the screw is twisted off, the cross section of the screw is flush with the end face of the joint of the torque wrench, and the broken screw is difficult to take out of the joint of the torque wrench, so that the torque wrench is scrapped.
Disclosure of Invention
The invention aims to overcome the technical problem that a broken screw is difficult to take out of a torque wrench joint when the welding torque strength of the screw is detected, and provides a joint for detecting the welding torque strength of the screw and a using method thereof.
The invention is realized by the following technical scheme:
a joint for detecting the welding torque intensity of a screw comprises a joint main body and separable clamping blocks;
a notch is formed in one side of the bottom of the connector main body to form an L-shaped section, the L-shaped section comprises a longitudinal section and a transverse section which is perpendicular to the longitudinal section and located at the top of the longitudinal section, and the separable clamping block is installed at the notch through a bolt and is in butt joint with the longitudinal section of the L-shaped section;
the longitudinal section of the connector main body is provided with a first half thread groove, correspondingly, one surface of the separable clamping block, which is butted with the connector main body, is provided with a second half thread groove, and after the separable clamping block is arranged at the notch of the connector main body, the first half thread groove and the second half thread groove are spliced to form a threaded hole for screwing in a screw to be tested; the transverse tangent plane of the joint main body is located at the top of the threaded hole and used for limiting the depth of the screw to be tested screwed into the threaded hole.
In the technical scheme, 2 transverse first bolt holes are formed in the separable clamping block, 2 transverse second bolt holes are correspondingly formed in the joint main body, the separable clamping block is placed in the L-shaped notch, the first bolt holes of the separable clamping block are aligned with the second bolt holes in the joint main body, then bolts penetrate through the first bolt holes, and the separable clamping block is fixedly installed at the notch of the joint main body and is in butt joint with the longitudinal section of the L-shaped section.
In the technical scheme, the 2 first bolt holes in the separable clamping block are symmetrically arranged on two sides of the second half-thread groove.
In the technical scheme, the top of the joint main body is provided with the connecting groove used for being connected with the torque detection device.
In the above technical scheme, the connecting groove is a groove body with a square section.
The use method of the joint for detecting the welding torque strength of the screw comprises the following steps:
the method comprises the following steps: fixedly installing a separable clamping block at the notch of the joint main body to be butted with the longitudinal section of the L-shaped section;
step two: aligning the screw to be tested with the threaded hole at the bottom of the connector, and rotating the connector to enable the screw to be tested to be screwed into the threaded hole until the top end of the screw to be tested abuts against the transverse tangent plane at the top of the notch;
step three: connecting the top of the joint with a torque detection device, rotating the torque detection device, and detecting the welding torque intensity of the screw to be detected;
step four: and if the screw to be tested breaks in the detection process, the bolt on the joint is detached, the separable clamping block is separated from the joint main body, and the screw to be tested broken in the joint is taken out of the joint.
In the technical scheme, the depth of the first half thread groove and the second half thread groove is smaller than the radius of the screw to be tested, when the bolt is screwed down, the first half thread groove and the second half thread groove apply clamping acting force to the screw to be tested, so that longitudinal acting force between the thread of the screw to be tested and the thread of the threaded hole is relieved, damage to the thread of the threaded hole is reduced, and the service life of the joint is prolonged. Furthermore, the use method of the joint for detecting the welding torque strength of the screw is as follows:
the method comprises the following steps: the separable clamping block is installed into the notch of the joint main body through a bolt, so that a gap is reserved between the separable clamping block and the longitudinal section of the L-shaped section of the joint main body;
step two: aligning the screw to be tested with the threaded hole at the bottom of the connector, and rotating the connector to enable the screw to be tested to be screwed into the threaded hole until the top end of the screw to be tested abuts against the transverse tangent plane at the top of the notch;
step three: screwing the bolt, so that the first half thread groove of the joint main body and the second half thread groove of the separable clamping block clamp the screw to be tested;
step four: connecting the top of the joint with a torque detection device, rotating the torque detection device, and detecting the welding torque intensity of the screw to be detected;
step five: and if the screw to be tested breaks in the detection process, the bolt on the joint is dismounted, the separable clamping block is separated from the joint main body, and the screw to be tested broken in the joint is taken out of the joint.
The advantages and benefits of the present invention are as follows.
1. The invention has simple structure and convenient use, and can conveniently take out the broken screw in the joint from the joint by separating the separable clamping block from the joint main body if the screw is broken in the screw welding torque strength detection process.
2. The depth of the first half thread groove and the depth of the second half thread groove are smaller than the radius of the screw to be tested, so that when the bolt is screwed down, the first half thread groove and the second half thread groove can apply clamping acting force on the screw to be tested, longitudinal acting force between the thread of the screw to be tested and the thread of the threaded hole is further relieved, damage to the thread of the threaded hole is reduced, and the service life of the joint is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a joint for detecting the welding torque strength of a screw according to the present invention.
Fig. 2 is a sectional view of a joint for screw welding torque strength detection of the present invention.
Fig. 3 is a usage state diagram of the joint for detecting the welding torque intensity of the screw according to the invention.
Fig. 4 is a schematic view of the working state of the first half thread groove and the second half thread groove of the present invention clamping the screw to be tested.
For a person skilled in the art, without inventive effort, other relevant figures can be derived from the above figures.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Example one
Referring to fig. 1-2, a joint for screw welding torque intensity detection includes a joint body 1 and a separable clamping block 2.
A notch is formed in one side of the bottom of the joint main body 1 to form an L-shaped section 8, the L-shaped section 8 comprises a longitudinal section 8.1 and a transverse section 8.2 which is perpendicular to the longitudinal section 8.1 and located at the top of the longitudinal section 8.1, and the separable clamping block 2 is installed at the notch through a bolt 20 and is in butt joint with the longitudinal section 8.1 of the L-shaped section. 2 transverse first bolt holes 9 are formed in the separable clamping block 2, 2 transverse second bolt holes 7 are correspondingly formed in the joint main body 1, when the separable clamping block 2 is placed into the notch, the first bolt holes 9 of the separable clamping block 2 are aligned with the second bolt holes 7 in the joint main body 1, then bolts 20 are inserted, and the separable clamping block 2 is fixedly installed at the notch of the joint main body 1 and is butted with the longitudinal section 8.1 of the L-shaped section.
A first half thread groove 4 is formed in a longitudinal section 8.1 of the connector main body 1 (namely, the surface of the connector main body 1, which is butted with the separable clamping block 2), a second half thread groove 5 is correspondingly formed in the surface of the separable clamping block 2, which is butted with the connector main body 1, and after the separable clamping block 2 is installed in a notch of the connector main body 1, the first half thread groove 4 and the second half thread groove 5 are combined to form a threaded hole 10 for screwing in a screw to be tested; the transverse tangent plane 8.2 of the joint main body 1 is located at the top of the threaded hole 10 and used for limiting the depth of the screw to be tested screwed into the threaded hole 10. Further, the 2 first bolt holes 9 on the separable clamping block are symmetrically arranged on two sides of the second half-thread groove.
A connecting groove 3 for connecting with a torque detection device (i.e., a torque detection wrench) is opened at the top of the joint main body 1, and in this embodiment, the connecting groove 3 is a groove body with a square cross section.
Referring to fig. 3, the joint for screw welding torque strength detection is used as follows.
The method comprises the following steps: bolts 20 are inserted into the first bolt holes 9 of the separable clamping blocks 2 and the second bolt holes 7 of the joint main body 1, and the separable clamping blocks 2 are fixedly installed at the notches of the joint main body 1 to be butted against the longitudinal section 8.1 of the L-shaped section.
Step two: and aligning the screw 21 to be tested with the threaded hole 10 at the bottom of the connector, and rotating the connector to enable the screw 21 to be tested to be screwed into the threaded hole 10 until the top end of the screw 21 to be tested props against the transverse tangent plane 8.2 at the top of the notch.
Step three: connect the spread groove 3 at joint top and connect torque detection device (being the moment of torsion and detect the spanner), rotatory torque detection device detects the welding torque intensity of the screw that awaits measuring.
Step four: if the screw to be tested is broken in the testing process, the bolt 20 on the joint is detached, the separable clamping block 2 is separated from the joint main body 1, and the screw to be tested broken in the joint is taken out of the joint.
Example two
Referring to fig. 4, on the basis of the first embodiment, further, the depth of the first half thread groove 4 and the second half thread groove 5 is smaller than the radius of the screw 21 to be tested, so that when the bolt 20 is tightened, the first half thread groove 4 and the second half thread groove 5 can apply a clamping force to the screw 21 to be tested, thereby alleviating a longitudinal force between the thread of the screw to be tested and the thread of the threaded hole 10, reducing damage to the thread of the threaded hole 10, and prolonging the service life of the joint.
The joint for screw welding torque strength detection of the present embodiment is used as follows.
The method comprises the following steps: a bolt 20 is inserted through a first bolt hole 9 of the separable clamp block 2 and a second bolt hole 7 of the joint main body 1, so that the separable clamp block 2 is fitted into the notch of the joint main body 1 with a certain clearance between the separable clamp block 2 and a longitudinal section 8.1 of the L-shaped section 8 of the joint main body 1.
Step two: and aligning the screw 21 to be tested with the threaded hole 10 at the bottom of the connector, and rotating the connector to enable the screw 21 to be tested to be screwed into the threaded hole 10 until the top end of the screw 21 to be tested props against the transverse tangent plane 8.2 at the top of the notch.
Step three: the bolt 20 is tightened so that the first half thread groove 4 of the joint body 1 and the second half thread groove 5 of the separable clamping block 2 clamp the screw 21 to be tested.
Step four: connect the spread groove 3 at joint top and connect torque detection device (being the moment of torsion and detect the spanner), rotatory torque detection device detects the welding torque intensity of the screw that awaits measuring.
Step five: if the screw to be tested is broken in the testing process, the bolt 20 on the joint is detached, the separable clamping block 2 is separated from the joint main body 1, and the screw to be tested broken in the joint is taken out of the joint.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (8)
1. A connect that is used for screw welding torque intensity to detect which characterized in that: comprises a joint main body and a separable clamping block;
a notch is formed in one side of the bottom of the connector main body to form an L-shaped section, the L-shaped section comprises a longitudinal section and a transverse section which is perpendicular to the longitudinal section and located at the top of the longitudinal section, and the separable clamping block is installed at the notch through a bolt and is in butt joint with the longitudinal section of the L-shaped section;
the longitudinal section of the connector main body is provided with a first half thread groove, correspondingly, one surface of the separable clamping block, which is butted with the connector main body, is provided with a second half thread groove, and after the separable clamping block is arranged at the notch of the connector main body, the first half thread groove and the second half thread groove are spliced to form a threaded hole for screwing in a screw to be tested; the transverse tangent plane of the joint main body is located at the top of the threaded hole and used for limiting the depth of the screw to be tested screwed into the threaded hole.
2. The joint for screw welding torque intensity detection according to claim 1, characterized in that: the separable clamping block is arranged in the L-shaped notch, the first bolt hole of the separable clamping block is aligned with the second bolt hole in the joint main body, then a bolt is inserted into the separable clamping block, and the separable clamping block is fixedly arranged at the notch of the joint main body and is butted with the longitudinal section of the L-shaped section.
3. The joint for screw welding torque strength detection according to claim 2, characterized in that: the 2 first bolt holes on the separable clamping block are symmetrically arranged on two sides of the second half-thread groove.
4. The joint for screw welding torque intensity detection according to claim 1, characterized in that: the top of the joint main body is provided with a connecting groove used for being connected with a torque detection device.
5. The joint for screw welding torque strength detection according to claim 4, wherein: the connecting groove is a groove body with a square section.
6. The method for using the joint for screw welding torque intensity detection according to claim 1, is characterized by comprising the following steps:
the method comprises the following steps: fixedly installing a separable clamping block at the notch of the joint main body to be butted with the longitudinal section of the L-shaped section;
step two: aligning the screw to be tested with the threaded hole at the bottom of the connector, and rotating the connector to enable the screw to be tested to be screwed into the threaded hole until the top end of the screw to be tested abuts against the transverse tangent plane at the top of the notch;
step three: connecting the top of the joint with a torque detection device, rotating the torque detection device, and detecting the welding torque intensity of the screw to be detected;
step four: and if the screw to be tested breaks in the detection process, separating the separable clamping block from the joint main body, and taking the screw to be tested broken in the joint out of the joint.
7. The joint for screw welding torque intensity detection according to claim 1, characterized in that: the depth of the first half thread groove and the depth of the second half thread groove are smaller than the radius of the screw to be tested, and when the bolt is screwed down, the first half thread groove and the second half thread groove apply clamping acting force to the screw to be tested.
8. The method for using the joint for screw welding torque intensity detection according to claim 7, is characterized by comprising the following steps:
the method comprises the following steps: installing the separable clamping block into the notch of the joint main body through a bolt, and enabling a gap to be reserved between the separable clamping block and the longitudinal section of the L-shaped section of the joint main body;
step two: aligning the screw to be tested with the threaded hole at the bottom of the connector, and rotating the connector to enable the screw to be tested to be screwed into the threaded hole until the top end of the screw to be tested abuts against the transverse tangent plane at the top of the notch;
step three: screwing the bolt, so that the first half thread groove of the joint main body and the second half thread groove of the separable clamping block clamp the screw to be tested;
step four: connecting the top of the joint with a torque detection device, rotating the torque detection device, and detecting the welding torque intensity of the screw to be detected;
step five: and if the screw to be tested breaks in the detection process, the bolt on the joint is detached, the separable clamping block is separated from the joint main body, and the screw to be tested broken in the joint is taken out of the joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310265370.7A CN115979798B (en) | 2023-03-20 | 2023-03-20 | Joint for detecting screw welding torque intensity and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310265370.7A CN115979798B (en) | 2023-03-20 | 2023-03-20 | Joint for detecting screw welding torque intensity and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115979798A true CN115979798A (en) | 2023-04-18 |
| CN115979798B CN115979798B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310265370.7A Active CN115979798B (en) | 2023-03-20 | 2023-03-20 | Joint for detecting screw welding torque intensity and using method thereof |
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| CN101368895A (en) * | 2008-07-11 | 2009-02-18 | 奇瑞汽车股份有限公司 | Stud welding intensity detection apparatus and method |
| CN101776549A (en) * | 2009-12-29 | 2010-07-14 | 奇瑞汽车股份有限公司 | Checking clamp for bonding bolt stud welding |
| CN103454143A (en) * | 2013-06-04 | 2013-12-18 | 浙江豪情汽车制造有限公司 | Clamp for measuring tension corresponding to torque of bolt |
| CN204694393U (en) * | 2015-06-19 | 2015-10-07 | 昌辉汽车电器（黄山）股份公司 | A kind of screw torque force checking device |
| KR20160024618A (en) * | 2014-08-26 | 2016-03-07 | 현대자동차주식회사 | Jig for testing axial force of bolt |
| CN105806538A (en) * | 2016-03-24 | 2016-07-27 | 安徽机电职业技术学院 | Projection welding bolt torque detection device and detection method thereof |
| CN109253920A (en) * | 2018-09-30 | 2019-01-22 | 天津津荣天宇精密机械股份有限公司 | A kind of welding detection fixture of band logical hole workpiece |
| CN110057663A (en) * | 2019-02-28 | 2019-07-26 | 西南交通大学 | Electromagnetic type split-Hopkinson torsional bar clamps and release device |
| CN212206868U (en) * | 2020-06-03 | 2020-12-22 | 湘潭银河新能源有限公司 | Battery current collector welding strength test fixture |
| CN112525673A (en) * | 2020-11-05 | 2021-03-19 | 中国航发北京航空材料研究院 | Self-centering anti-bending and anti-twisting high-temperature clamp bearing axial tensile load |
| CN114739830A (en) * | 2022-04-02 | 2022-07-12 | 广船国际有限公司 | Bolt torsion test tool |
-
2023
- 2023-03-20 CN CN202310265370.7A patent/CN115979798B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368895A (en) * | 2008-07-11 | 2009-02-18 | 奇瑞汽车股份有限公司 | Stud welding intensity detection apparatus and method |
| CN101776549A (en) * | 2009-12-29 | 2010-07-14 | 奇瑞汽车股份有限公司 | Checking clamp for bonding bolt stud welding |
| CN103454143A (en) * | 2013-06-04 | 2013-12-18 | 浙江豪情汽车制造有限公司 | Clamp for measuring tension corresponding to torque of bolt |
| KR20160024618A (en) * | 2014-08-26 | 2016-03-07 | 현대자동차주식회사 | Jig for testing axial force of bolt |
| CN204694393U (en) * | 2015-06-19 | 2015-10-07 | 昌辉汽车电器（黄山）股份公司 | A kind of screw torque force checking device |
| CN105806538A (en) * | 2016-03-24 | 2016-07-27 | 安徽机电职业技术学院 | Projection welding bolt torque detection device and detection method thereof |
| CN109253920A (en) * | 2018-09-30 | 2019-01-22 | 天津津荣天宇精密机械股份有限公司 | A kind of welding detection fixture of band logical hole workpiece |
| CN110057663A (en) * | 2019-02-28 | 2019-07-26 | 西南交通大学 | Electromagnetic type split-Hopkinson torsional bar clamps and release device |
| CN212206868U (en) * | 2020-06-03 | 2020-12-22 | 湘潭银河新能源有限公司 | Battery current collector welding strength test fixture |
| CN112525673A (en) * | 2020-11-05 | 2021-03-19 | 中国航发北京航空材料研究院 | Self-centering anti-bending and anti-twisting high-temperature clamp bearing axial tensile load |
| CN114739830A (en) * | 2022-04-02 | 2022-07-12 | 广船国际有限公司 | Bolt torsion test tool |
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| CN115979798B (en) | 2023-07-14 |
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