CN102507325A - Thread testing process device and testing method - Google Patents
Thread testing process device and testing method Download PDFInfo
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- CN102507325A CN102507325A CN2011103836401A CN201110383640A CN102507325A CN 102507325 A CN102507325 A CN 102507325A CN 2011103836401 A CN2011103836401 A CN 2011103836401A CN 201110383640 A CN201110383640 A CN 201110383640A CN 102507325 A CN102507325 A CN 102507325A
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- bolt
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Abstract
The invention discloses a thread testing process device, which is provided with two sleeves. A bolt to be tested penetrates through the center holes of the two sleeves. A nut is arranged in one sleeve and is screwed with the bolt to be tested. Two testing chucks are respectively arranged on the two sleeves. One end of each testing chuck is in threaded fit with the inner wall of the sleeve and the other end of the testing chuck is clamped by a jaw of a universal mechanical tester. By adopting the technical scheme, since the testing chucks are in threaded connection with the sleeves, the structure is compact and the device is convenient to manufacture; the universality is higher and the device is suitable for mass production; a series of tooling can be manufactured according to the specifications of nuts to be tested to meet testing requirements; and the strength of the testing chucks and the sleeves can be easily guaranteed and the service life of the tooling is longer.
Description
Technical field
The invention belongs to the technical field of mechanical component test, relate to the experimental technique of thread part, more particularly, the present invention relates to two kinds of screw thread test technology devices.In addition, the invention still further relates to the test method that these two kinds of screw thread test technology devices adopt.
Background technology
In the prior art, the mechanical property of carrying out screw thread detects not corresponding test frock, and screw bolt and nut has only the chemical constitution that detects them.Its shortcoming is:
1, the chemical constitution of test material need be prepared a large amount of chemical reagent at every turn, so long cost of test period is than higher.
2, whether qualified mechanical property be to judge the important parameter of screw bolt and nut; The chemical constitution same material; Because of their mechanical property of process of thermal treatment difference has very big difference; For example the tensile strength of 45 steel annealed conditions is not less than 540MPa, and the tensile strength of cold drawn state is not less than 635MPa.
Summary of the invention
The present invention provides a kind of screw thread test technology device, its objective is the mechanical property that detects bolt.
To achieve these goals, the technical scheme taked of the present invention is:
This screw thread test technology device provided by the present invention is used for the test bolt is carried out tension test, and described process unit is provided with two sleeves; Described test bolt passes the center pit of two sleeves; In a sleeve, establish nut, screw with described test bolt; On described two sleeves, respectively establish a test chuck, an end of described test chuck, with the inwall formation threaded engagement of described sleeve, the other end is clamped by the jaw of omnipotent mechanical test machine.
The present invention also provides the test method of above-described screw thread test technology device employing, is used to carry out the lowest pull load test of said test bolt, and its goal of the invention is identical with technique scheme.
The process of this test method is:
1, respectively nut and test bolt are installed in respectively in two sleeves;
2, nut and test bolt are screwed, the warranty test bolt bears length that drag load do not screw again more than or equal to one times diameter of screw;
3, two test chucks are screwed in two sleeves respectively, tight with hand-screw;
4, clamp two test chucks respectively with two jaws up and down of omnipotent mechanical test machine;
5, select suitable range the test bolt abruption, can judge through the reading of omnipotent mechanical test machine whether the lowest pull load of test bolt satisfies the requirement of standard.
The present invention provides another kind of screw thread test technology device, its objective is the mechanical property that detects nut.
To achieve these goals, the technical scheme taked of the present invention is:
This screw thread test technology device provided by the present invention; Be used for nut is carried out bearing test; Described process unit is provided with sleeve, and described nut is located in the sleeve, establishes a test chuck; One end of this test chuck passes the center pit of described sleeve, and through screwing with described nut; If another tests chuck, the inwall of one of which end and described sleeve forms threaded engagement; The other end of two described test chucks is clamped by the jaw of omnipotent mechanical test machine.
The test method that the present invention also provides above-described screw thread test technology device to adopt is used for the assurance load test to nut, and its goal of the invention is identical with technique scheme.
The process of this test method is:
1, nut is put into sleeve, simultaneously a test chuck is screwed in the nut, guarantee this test chuck bear drag load again not screwing length more than or equal to one times diameter of screw;
2, another test chuck is screwed in the sleeve, tight with hand-screw;
3, clamp two test chucks with the jaw of omnipotent mechanical test machine;
4, press the regulation of test standard along the axis direction of nut, apply a certain size assurance load, and keep unloading test power after the regular hour, whether the check test exemplar satisfies the requirement of standard.
The present invention adopts technique scheme, and test chuck and sleeve adopt and be threaded, and compact conformation is easily manufactured; Versatility is more intense, is fit to produce in enormous quantities; The specification manufacturing series frock that can detect nut as required satisfies the demand of test; The intensity of test chuck and sleeve guarantees that easily the serviceable life of frock is than higher; Owing to receive the restriction of universal testing machine jaw chucking capacity, if direct clamping sleeve, the wall thickness of sleeve can not be too thick, and intensity just is difficult for having guaranteed, tests the employing of chuck and sleeve now and be threaded and just solved this technological difficulties; Improved test efficiency, practiced thrift experimentation cost simultaneously, doing chemical constitution in the past needs 1～2 day, just accomplishes in present 1～2 hour.
Description of drawings
The mark of facing down among expressed content of each width of cloth accompanying drawing of this instructions and the figure is made brief description:
Fig. 1 is the bolt tension test technology apparatus structure synoptic diagram among the present invention;
Fig. 2 guarantees load test process unit structural representation for the nut among the present invention.
Be labeled as among the figure:
1, test chuck, 2, sleeve, 3, nut, 4, the test bolt, 5, sleeve, 6, the test chuck.
Embodiment
Contrast accompanying drawing below, through the description to embodiment, specific embodiments of the invention is done further detailed explanation, to help those skilled in the art inventive concept of the present invention, technical scheme is had more complete, accurate and deep understanding.
The technical scheme that the present invention proposes for the mechanical property that detects bolt and nut.
The of the present invention structure expressed like Fig. 1, the present invention is a kind of screw thread test technology device, its goal of the invention is to detect the mechanical property of bolt.
To achieve these goals, the technical scheme taked of the present invention is:
This screw thread test technology device provided by the present invention; Be used for test bolt 4 is carried out tension test, described process unit is provided with two sleeves, i.e. sleeve 2 and sleeve 5; Described test bolt 4 passes the center pit of two sleeves; In a sleeve 2, establish nut 3, screw with described test bolt 4; On described two sleeves; Respectively establish a test chuck, promptly test chuck 1 and test chuck 6, an end of described test chuck 1 and test chuck 6; Inwall with described sleeve 2 and sleeve 5 forms threaded engagement respectively, and the other end is clamped by the jaw of omnipotent mechanical test machine.
The present invention also provides the test method of above-described screw thread test technology device employing, is used to carry out the lowest pull load test of said test bolt, and its goal of the invention is identical with technique scheme.
The process of this test method is:
1, respectively nut 3 and test bolt 4 are installed in respectively in sleeve 2 and the sleeve 5;
2, nut 3 and test bolt 4 are screwed, warranty test bolt 4 bears length that drag load do not screw again more than or equal to one times diameter of screw;
3, will test chuck 1 and test chuck 6 screws in sleeve 2 and sleeve 5 respectively, tight with hand-screw;
4, clamp test chuck 1 and test chuck 6 respectively with two jaws up and down of omnipotent mechanical test machine;
5, select suitable range to break test bolt 4, can judge through the reading of omnipotent mechanical test machine whether the lowest pull load of test bolt 4 satisfies the requirement of standard.
The of the present invention structure expressed like Fig. 2 is another kind of screw thread test technology device, and its goal of the invention is to detect the mechanical property of nut.
To achieve these goals, the technical scheme taked of the present invention is:
This screw thread test technology device provided by the present invention; Be used for nut 3 is carried out bearing test; Described process unit is provided with sleeve 2, and described nut 3 is located in the sleeve 2, establishes a test chuck 1; One end of this test chuck 1 passes the center pit of described sleeve 2, and through screwing with described nut 3; If another tests chuck 6, the inwall of one of which end and described sleeve 2 forms threaded engagement; Two described test chucks are promptly tested chuck 1 and are clamped by the jaw of omnipotent mechanical test machine with the other end of test chuck 6.
The test method that the present invention also provides above-described screw thread test technology device to adopt is used for the assurance load test to nut, and its goal of the invention is identical with technique scheme.
The process of this test method is:
1, nut 3 is put into sleeve 2, simultaneously a test chuck 1 is screwed in the nut 3, guarantee this test chuck 1 bear drag load again not screwing length more than or equal to one times diameter of screw;
2, another test chuck 6 is screwed in the sleeve 2, tight with hand-screw;
3, clamp two test chucks with the jaw of omnipotent mechanical test machine; Select suitable jaw to clamp the clamping position of frock.
4, press the regulation of test standard along the axis direction of nut 3, apply a certain size assurance load, and keep unloading test power after the regular hour, whether the check test exemplar satisfies the requirement of standard.
Analyze above technical scheme, advantage of the present invention is:
1, test chuck and sleeve adopt screw connection structure compact, easily manufactured;
2, versatility is more intense, is fit to produce in enormous quantities.Test chuck 1 among Fig. 1, test chuck 6 are identical with test chuck 6 structures among Fig. 2; The sleeve 2 of Fig. 1, sleeve 5, the sleeve 2 of Fig. 2, structure is identical.The specification manufacturing series frock that can detect nut as required satisfies the demand of test.
3, the intensity of test chuck and sleeve guarantees that easily the serviceable life of frock is than higher.If owing to receive the direct clamping sleeve of the restriction of universal testing machine jaw chucking capacity, the wall thickness of sleeve can not be too thick, intensity just is difficult for having guaranteed.Test chuck and sleeve adopt to be threaded and have just solved this technological difficulties now.
4, improved test efficiency, practiced thrift experimentation cost simultaneously, doing chemical constitution in the past needs 1～2 day, just accomplishes in present 1～2 hour.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (4)
1. screw thread test technology device; Be used for test bolt (4) is carried out tension test; It is characterized in that: described process unit is provided with two sleeves (2,5), and described test bolt (4) passes the center pit of two sleeves (2,5), in a sleeve (2); If nut (3) screws with described test bolt (4); On described two sleeves (2,5), respectively establish a test chuck (1,6), an end of described test chuck (1,6), with the inwall formation threaded engagement of described sleeve (2,5), the other end is clamped by the jaw of omnipotent mechanical test machine.
2. according to the test method of the described screw thread test technology of claim 1 device employing, be used to carry out the lowest pull load test of said test bolt, it is characterized in that: the process of this test method is:
1), respectively nut (3) and test bolt (4) are installed in respectively in two sleeves (2,5);
2), nut (3) and test bolt (4) are screwed, warranty test bolt (4) bears length that drag load do not screw again more than or equal to one times diameter of screw;
3), with two the test chucks (1,6) screw in two sleeves (2,5) respectively, tight with hand-screw;
4), clamp two test chucks (1,6) respectively with two jaws up and down of omnipotent mechanical test machine;
5), selecting suitable range handle to test bolt (4) breaks, can judge through the reading of omnipotent mechanical test machine whether the lowest pull load of test bolt (4) satisfies the requirement of standard.
3. screw thread test technology device; Be used for nut (3) is carried out bearing test; It is characterized in that: described process unit is provided with sleeve (2), and described nut (3) is located in the sleeve (2), establishes a test chuck (1); One end of this test chuck (1) passes the center pit of described sleeve (2), and through screwing with described nut (3); If another tests chuck (6), the inwall of one of which end and described sleeve (2) forms threaded engagement; The other end of two described test chucks (1,6) is clamped by the jaw of omnipotent mechanical test machine.
4. the test method that adopts according to the described screw thread test technology of claim 3 device is used for the assurance load test to nut, and it is characterized in that: the process of this test method is:
1), nut (3) is put into sleeve (2), simultaneously a test chuck (1) is screwed in the nut (3), guarantee this test chuck (1) bear drag load again not screwing length more than or equal to one times diameter of screw;
2), another test chuck (6) is screwed in sleeve (2), tight with hand-screw;
3), clamp two test chucks (1,6) with the jaw of omnipotent mechanical test machine;
4), along the axis direction of nut (3) regulation by test standard, apply a certain size assurance load, and keep unloading test power after the regular hour, whether the check test exemplar satisfies the requirement of standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103836401A CN102507325A (en) | 2011-11-28 | 2011-11-28 | Thread testing process device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103836401A CN102507325A (en) | 2011-11-28 | 2011-11-28 | Thread testing process device and testing method |
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| CN102507325A true CN102507325A (en) | 2012-06-20 |
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| CN2011103836401A Pending CN102507325A (en) | 2011-11-28 | 2011-11-28 | Thread testing process device and testing method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388003A (en) * | 2015-10-16 | 2016-03-09 | 西安航空动力股份有限公司 | Engine guiding blade assembly screw cap thrust force measuring tool and measuring method thereof |
| CN105527160A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Strength experiment clamp with double-head stud convenient to replace |
| CN105527158A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Bolt tension test fixture |
| CN105527159A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Bolt strength test fixture convenient to popularize in packaged manner |
| CN105527161A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Strength test fixture applicable to studs |
| CN105628495A (en) * | 2016-03-01 | 2016-06-01 | 成都亨通兆业精密机械有限公司 | Auxiliary device used for bolt strength test |
| CN106353189A (en) * | 2016-08-30 | 2017-01-25 | 丰业迪睦斯（芜湖）汽车部件有限公司 | Device for testing strength of threaded hole of door limiting device |
| CN107505194A (en) * | 2017-08-10 | 2017-12-22 | 安徽六方重联机械股份有限公司 | A kind of bolt tension test fixture |
| CN107941627A (en) * | 2017-11-12 | 2018-04-20 | 潍坊科技学院 | A kind of agricultural facility structure ridge connecting-piece structure performance Multi-parameter detection device and method |
| CN109030213A (en) * | 2018-08-09 | 2018-12-18 | 山西省机电设计研究院 | Nut guarantees load test tooling |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388003A (en) * | 2015-10-16 | 2016-03-09 | 西安航空动力股份有限公司 | Engine guiding blade assembly screw cap thrust force measuring tool and measuring method thereof |
| CN105527160A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Strength experiment clamp with double-head stud convenient to replace |
| CN105527158A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Bolt tension test fixture |
| CN105527159A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Bolt strength test fixture convenient to popularize in packaged manner |
| CN105527161A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Strength test fixture applicable to studs |
| CN105628495A (en) * | 2016-03-01 | 2016-06-01 | 成都亨通兆业精密机械有限公司 | Auxiliary device used for bolt strength test |
| CN106353189A (en) * | 2016-08-30 | 2017-01-25 | 丰业迪睦斯（芜湖）汽车部件有限公司 | Device for testing strength of threaded hole of door limiting device |
| CN107505194A (en) * | 2017-08-10 | 2017-12-22 | 安徽六方重联机械股份有限公司 | A kind of bolt tension test fixture |
| CN107941627A (en) * | 2017-11-12 | 2018-04-20 | 潍坊科技学院 | A kind of agricultural facility structure ridge connecting-piece structure performance Multi-parameter detection device and method |
| CN107941627B (en) * | 2017-11-12 | 2020-06-19 | 潍坊科技学院 | Multi-parameter detection device and method for structural performance of ridge connecting piece of agricultural facility structure |
| CN109030213A (en) * | 2018-08-09 | 2018-12-18 | 山西省机电设计研究院 | Nut guarantees load test tooling |
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Application publication date: 20120620 |