CN102507325A - Thread testing process device and testing method - Google Patents

Thread testing process device and testing method Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
test
nut
sleeve
chuck
bolt
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.)
Pending
Application number
CN2011103836401A
Other languages
Chinese (zh)
Inventor
张培新
滕杰
陈新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHU ZHONGXING MACHINERY TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
WUHU ZHONGXING MACHINERY TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUHU ZHONGXING MACHINERY TECHNOLOGY DEVELOPMENT Co Ltd filed Critical WUHU ZHONGXING MACHINERY TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN2011103836401A priority Critical patent/CN102507325A/en
Publication of CN102507325A publication Critical patent/CN102507325A/en
Pending legal-status Critical Current

Links

Images

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

Screw thread test technology device and test method thereof
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.
CN2011103836401A 2011-11-28 2011-11-28 Thread testing process device and testing method Pending CN102507325A (en)

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

Publications (1)

Publication Number Publication Date
CN102507325A true CN102507325A (en) 2012-06-20

Family

ID=46219432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011103836401A Pending CN102507325A (en) 2011-11-28 2011-11-28 Thread testing process device and testing method

Country Status (1)

Country Link
CN (1) CN102507325A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
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
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
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
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030030662A (en) * 2001-10-12 2003-04-18 재단법인 포항산업과학연구원 Elongation test jig for bolt
JP3420068B2 (en) * 1997-11-14 2003-06-23 株式会社リコー Tensile strength tester
CN201535737U (en) * 2009-08-18 2010-07-28 西安航空动力股份有限公司 Cylindrical threaded clamp
CN201788122U (en) * 2010-09-15 2011-04-06 济南试金集团有限公司 Tension test device of bolts and screws with minor diameters
CN102192854A (en) * 2010-03-03 2011-09-21 上海宝冶工程技术有限公司 Fixture structure of large-specification bolt stretching test equipment
CN202362203U (en) * 2011-11-28 2012-08-01 芜湖市中兴机械技术开发有限公司 Thread test process unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3420068B2 (en) * 1997-11-14 2003-06-23 株式会社リコー Tensile strength tester
KR20030030662A (en) * 2001-10-12 2003-04-18 재단법인 포항산업과학연구원 Elongation test jig for bolt
CN201535737U (en) * 2009-08-18 2010-07-28 西安航空动力股份有限公司 Cylindrical threaded clamp
CN102192854A (en) * 2010-03-03 2011-09-21 上海宝冶工程技术有限公司 Fixture structure of large-specification bolt stretching test equipment
CN201788122U (en) * 2010-09-15 2011-04-06 济南试金集团有限公司 Tension test device of bolts and screws with minor diameters
CN202362203U (en) * 2011-11-28 2012-08-01 芜湖市中兴机械技术开发有限公司 Thread test process unit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
国家质量技术监督局: "《GB/T 3098.1-2000 紧固件机械性能 螺栓、螺钉和螺柱》", 《GB/T 3098.1-2000 紧固件机械性能 螺栓、螺钉和螺柱》, 26 September 2000 (2000-09-26) *

Cited By (11)

* Cited by examiner, † Cited by third party
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
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
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
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

Similar Documents

Publication Publication Date Title
CN102507325A (en) Thread testing process device and testing method
CN104007058B (en) Portable type metal wire stretching stress corrosion testing device
CN201222026Y (en) Elongation test clamper for universal tester pipe
CN202522475U (en) Steel wire rope breaking force test fixture
CN201470409U (en) Novel bolt clamp for lab
CN203148774U (en) High-temperature tensioning clamp for plate-shaped test sample
CN102928288A (en) Clamp for tension test
CN102778389A (en) Concrete test loading device and test method under load and multifactor coupling
CN204758393U (en) A centre gripping fixing device for high temperature alloy silk material high temperature tension test
CN202735158U (en) Tensile strength detecting clamp of double thread screw
CN102012345A (en) Universal clamping mechanism for bolt/nut mechanical test
CN105527155B (en) A kind of high/low temperature fatigue test clamper suitable for pole fatigue testing specimen
CN104237009A (en) Point joint tensile-shear strength testing device capable of applying multi-directional loads
CN202735159U (en) Detecting clamp for high strength bolt fastener load-guarantee
CN204116135U (en) A kind of plate tensile sample high temperature tensile properties test fixture
CN202362203U (en) Thread test process unit
CN103592178A (en) M20*1.5 bolt tensile test clamping tool
CN206132507U (en) Riveted joint tensile test clamp is slightly pressed to cross mound
CN103411827A (en) Tensile fixture of round bar tensile sample
CN201615858U (en) Novel clamp for tensile testing machine
CN206671062U (en) A kind of I-beam wheel stretching resistance test fixture
CN201575951U (en) Auxiliary clamp used on tensile testing machine
CN202362208U (en) Welding strength tester of projection-welding thread assembly
CN202599753U (en) Fastener tensile testing fixture
CN201697835U (en) Connecting structure of round sample stretching test device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120620