CN202182848U - Multifunctional packaged clamp for tests of threaded fasteners - Google Patents

Multifunctional packaged clamp for tests of threaded fasteners Download PDF

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Publication number
CN202182848U
CN202182848U CN2011202736134U CN201120273613U CN202182848U CN 202182848 U CN202182848 U CN 202182848U CN 2011202736134 U CN2011202736134 U CN 2011202736134U CN 201120273613 U CN201120273613 U CN 201120273613U CN 202182848 U CN202182848 U CN 202182848U
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CN
China
Prior art keywords
anchor clamps
tested
nut
bolt
clamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011202736134U
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Chinese (zh)
Inventor
张旭
杨红新
王献忠
卢晓薇
李佳
冯双生
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.)
Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Publication date
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Priority to CN2011202736134U priority Critical patent/CN202182848U/en
Application granted granted Critical
Publication of CN202182848U publication Critical patent/CN202182848U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a multifunctional packaged clamp for tests of threaded fasteners. The packaged clamp comprises a main clamp, a cushion block, a nut auxiliary clamp and a bolt auxiliary clamp, wherein the main clamp, the cushion block and the different auxiliary clamps work together to achieve mechanical property tensile tests and ensure load tests of bolts, nuts and double-end studs in different specifications and models respectively. The multifunctional packaged clamp has a simple structure, can be directly connected with test equipment when in use, so as to minimize the influence caused by matching and ensure high reliability of tested data, has the characteristics of convenience in clamping, high operating efficiency and long service life, and is suitable for serving as an auxiliary clamp during mechanical property tensile tests and load tests of various nuts, bolts and double-end studs.

Description

The suit anchor clamps are used in multi-functional screw thread securing member test
Technical field
The utility model relates to a kind of Mechanics Performance Testing of mechanical component and uses aid, and specifically a kind of multi-functional screw thread securing member test suit anchor clamps are with doing bolt, nut, clamping purpose when studs carries out Mechanics Performance Testing.
Background technology
Threaded fasteners such as bolt, nut, studs are because of its structural singularity; Causing it can not directly force on the measured piece in carrying out mechanical property tension test and load test; Must have with auxiliary could the realization of anchor clamps and detect, owing to product specification, model are various, every series products all will have with it auxiliary clamp accordingly; Detect very inconvenience, the anchor clamps of many types to be used for supporting.
Existing anchor clamps mainly contain two kinds: a kind of is that the compatibility test project is special-purpose, though simple in structure, function singleness does not have the universal performance between different test events; Another kind is to be applicable to multiple test event; But clamp structure is complicated, inefficiency, and the annexation of the anchor clamps in process of the test is generally: testing equipment one end → anchor clamps → product → (connection joint →) anchor clamps → testing equipment; The position that is connected is more; Like application number is 2010105736032 Chinese invention patent application, has just disclosed a kind of " the general clamping device of the mechanical test of bolt/nut ", need utilize multiple transition connector that product is connected to grip during use and make an experiment; Be difficult to guarantee the reliability that connects in the use, thus the precision of gained data when influence detects; In addition, it only is suitable for carries out mechanical test to nut and bolt, and versatility is poor.
Summary of the invention
The technical matters that the utility model will solve; Provide a kind of multi-functional screw thread securing member test and use the suit anchor clamps; Can realize that bolt, nut, studs to multiple different size, different model carry out the mechanical property tension test respectively and guarantee load test, it is simple in structure, directly couples together product and testing equipment during use; Need not more transition connectors; So can be minimum with reducing to because of the influence that matching relationship brought of transition connector to test result, guarantee that measured data reliability is high, these anchor clamps have the characteristics of the convenience of being installed, high efficiency, long service life.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
The suit anchor clamps are used in a kind of multi-functional screw thread securing member test, comprise main anchor clamps, cushion block, the auxilliary anchor clamps of nut, the auxilliary anchor clamps of bolt, wherein:
Said main anchor clamps comprise and clamp box, are used for the bar that clamps that equipment one end chuck to be tested grips;
The said box body that clamps box for the left end opening formed by roof, antetheca, rear wall, You Bi, diapire, box body has cavity, has on the diapire of box body to extend from left to right and along the penetrating slot of the thickness direction of diapire;
The said bar that clamps is fixed on the top wall outer surface that clamps box and extends upward;
The auxilliary anchor clamps of said nut are direct rod shape, are divided into and are used for the upper bar suitable with tested nut, are used for the lower pole that equipment one end chuck to be tested grips; Leave the gap when the auxilliary anchor clamps of nut place slot vertically and between slot; Said upper bar has and the suitable external thread of the internal thread hole of tested nut;
The auxilliary anchor clamps of said bolt are direct rod shape, comprise being used for the suitable upper bar of tested bolt or tested studs, being used for the lower pole that equipment chuck to be tested grips; The center of upper bar is provided with and has the tapped blind hole that extends along the bar length direction, and the external thread of said tapped blind hole and tested bolt or tested studs is suitable;
Said cushion block is the bulk that has upper horizontal plane, lower horizontal plane, has the through hole along thickness direction on the cushion block, and the upper bar of the auxilliary anchor clamps of said through hole and nut is suitable or suitable with tested bolt or tested studs; The maximum diameter place of said cushion block is greater than the width of the fore-and-aft direction of slot and less than the width of the fore-and-aft direction of cavity.
More than be the basic structure of the utility model; When 1. being used for the bolt detection; With the chuck place of main clamps in testing apparatus one end, bolt passed to be screwed into after the cushion block in the auxilliary anchor clamps of bolt fit in association, again association is matched with main anchor clamps; The auxilliary anchor clamps of bolt are fixed in the chuck place of the testing apparatus other end, can be implemented to detect; When 2. being used for the nut detection; With the chuck place of main clamps in testing apparatus one end; The auxilliary anchor clamps of nut are passed to be screwed into after the cushion block form association in the nut; Again association is matched with main anchor clamps, the auxilliary anchor clamps of nut are fixed in the chuck place of the testing apparatus other end, can implement to detect; When 3. being used for the studs detection; One end of studs is screwed in the auxilliary anchor clamps of a bolt; The studs other end is screwed in the auxilliary anchor clamps of another bolt, the whole two ends that will work good again are fixing respectively in the chuck place at testing apparatus two ends, can implement to detect again.The cushion block of the utility model, the auxilliary anchor clamps of nut, the auxilliary anchor clamps of bolt all have all size, can realize that bolt, nut, the studs to multiple different size, different model carries out the mechanical property tension test respectively and guarantee load test.This suit clamp structure is simple; Directly couple together product and testing equipment during use; Minimize the influence of testing result being reduced to due to cooperating, thereby guarantee that measured data reliability is high, these anchor clamps have the characteristics of the convenience of being installed, high efficiency, long service life.
As a kind of optimization of the utility model, said supporting rod and the transition position that clamps between box have boss structure.
The setting of boss structure, when main anchor clamps are clamped fast, accurately put in place.
As the another kind optimization of the utility model, the upper bar of the auxilliary anchor clamps of said bolt and the junction of lower pole are up big and down small step-like.
The junction is up big and down small step-like; Can guarantee the lower pole size constancy of the auxilliary anchor clamps of different size bolt; According to different size screw thread sample, carry out corresponding size when the upper bar of the auxilliary anchor clamps of bolt is made and make, as: the bolt specification that make an experiment is bigger; The upper bar manufactured size of the auxilliary anchor clamps of bolt will strengthen, and avoids hole wall to cross thin and test failure with the threaded hole in the middle of the upper bar that guarantees the auxilliary anchor clamps of bolt.This structure highly versatile for the testing equipment that need change chuck because of size, then needn't be changed chuck and just can make an experiment high efficiency to specification bolt not of the same race.
The utility model also has a kind of optimization, and the upper bar of the auxilliary anchor clamps of said nut and the junction of lower pole are up-small and down-big step-like.
The junction little step-likely for down big, can guarantee according to different size screw thread sample, to carry out the lower pole size constancy of the auxilliary anchor clamps of different size nut corresponding size when the upper bar of the auxilliary anchor clamps of nut is made and make.This structure highly versatile for the testing equipment that need change chuck because of size, then needn't be changed chuck and just can make an experiment high efficiency to specification nut not of the same race.
The further feature of the utility model also has:
Anchor clamps are chosen 40Cr or other high-strength material is processed and thermal treatment in addition, and guaranteeing its hardness, the hardness of testing apparatus upper grip, lower chuck is greater than the hardness of auxiliary clamp, more greater than the hardness of product.
Auxiliary clamp and testing apparatus junction are designed to corresponding rectangle or cylindrical according to the requirement of the not chuck of the same race of different universal testing machines, to guarantee their uses that matches.
Owing to adopted above-mentioned technical scheme; The utility model compared with prior art; The technical progress that is obtained is: (1) can carry out multinomial visual inspection to the multiple product (nut, bolt, studs) of multiple different size, different model and survey (mechanical property tension test and assurance load test), realizes multi-functional detection and versatility;
(2) little to data influence property, data reliability is high;
(3) enough be installed conveniently high efficiency.
The utility model is suitable for makes various nuts, bolt, the auxiliary clamp when studs carries out the mechanical property tension test and guarantees load test.
The utility model below will combine Figure of description and specific embodiment to do further explain.
Description of drawings
Fig. 1, Fig. 2 are user mode front view, the left views when the utility model embodiment is used for that nut 61 carried out mechanical property test respectively;
Fig. 3, Fig. 4 user mode front view, left view when the utility model embodiment is used for that bolt 62 carried out mechanical property test respectively;
Fig. 5, Fig. 6 are user mode front view, the left views when the utility model embodiment is used for that studs 63 carried out mechanical property test respectively.
Among the figure: 1-main anchor clamps, 11-clamp bar, 12-clamp box, 13-cavity, 14-slot; 2-cushion block, 3-nut is assisted anchor clamps, and 4-bolt is assisted anchor clamps, 51-testing apparatus upper grip; 52-testing apparatus lower chuck, 61-tested nut, 62-tested bolt, 63-tested studs.
Embodiment
Embodiment
The suit anchor clamps use in a kind of multi-functional screw thread securing member test, comprise that main anchor clamps 1, cushion block 2, the auxilliary anchor clamps 3 of nut, bolt assist anchor clamps 4.Wherein:
Main anchor clamps 1 comprise clamp box 12, be used for that the upper grip 51 of equipment to be tested grips clamp bar 11.
Clamp box 12 box body for the left end opening be made up of roof, antetheca, rear wall, You Bi, diapire, box body has cavity 13, has on the diapire of box body to extend from left to right and along the penetrating slot 14 of the thickness direction of diapire.
Clamping bar 11 is fixed on the top wall outer surface that clamps box 12 and extends upward.Supporting rod 11 and the transition position that clamps 12 in box have boss structure.
The auxilliary anchor clamps 3 of nut are direct rod shape, are divided into and are used for the upper bar suitable with tested nut 61, be used for the lower pole that equipment lower chuck 52 to be tested grips; When the auxilliary anchor clamps 3 of nut place slot 14 vertically and 14 of slots leave the gap; Upper bar has external thread, and the internal thread hole of external thread and tested nut 61 is suitable.The upper bar of the auxilliary anchor clamps 3 of nut is that the up-small and down-big auxilliary anchor clamps 4 of step-like bolt are direct rod shape with the junction of lower pole, comprises being used for the suitable upper bar of tested bolt 62 or tested studs 63, being used for the lower pole that equipment upper grip 51 to be tested or testing apparatus lower chuck 52 grip; The center of upper bar is provided with and has the tapped blind hole that extends along the bar length direction, and the external thread of tapped blind hole and tested bolt 62 or tested studs 63 is suitable.The upper bar of the auxilliary anchor clamps 4 of bolt and the junction of lower pole are up big and down small step-like.
Cushion block 2 has on the cushion block 2 along the thickness direction through hole for having the bulk of upper horizontal plane, lower horizontal plane, and the upper bar of the auxilliary anchor clamps 3 of through hole and nut is suitable or suitable with tested bolt 62 or tested studs 63; The maximum diameter place of cushion block 2 is greater than the width of the fore-and-aft direction of slot 14, and the while is less than the width of the fore-and-aft direction of cavity 13.
The suit anchor clamps of present embodiment are chosen 40Cr or other high-strength material is processed and thermal treatment in addition; To guarantee its hardness; The hardness of testing apparatus upper grip 51, lower chuck 52 is greater than the hardness of auxiliary clamp, more greater than the hardness of tested nut 61, tested bolt 62, tested studs 63.
Auxiliary clamp and testing apparatus junction are designed to corresponding rectangle or cylindrical according to the requirement of the not chuck of the same race of different universal testing machines, to guarantee their uses that matches.
The method of application of present embodiment is following:
When 1. being used for the detection of tested bolt 62, referring to Fig. 3 and Fig. 4.
Main anchor clamps 1 are fixed in testing apparatus upper grip 51 places; Tested bolt 62 passed to be screwed in the auxilliary anchor clamps 4 of bolt after the cushion block 2 fit in association; Again association is matched with main anchor clamps 1, the auxilliary anchor clamps 4 of bolt are fixed in testing apparatus lower chuck 52 places, can implement to detect.
When 2. being used for the detection of tested nut 61, referring to Fig. 1 and Fig. 2.
Main anchor clamps 1 are fixed in testing apparatus upper grip 51 places; The auxilliary anchor clamps 3 of nut are passed to be screwed in the tested nut 61 after the cushion block 2 form association; Again association is matched with main anchor clamps 1, the auxilliary anchor clamps 3 of nut are fixed in testing apparatus lower chuck 52 places, can implement to detect.
When 3. being used for the detection of tested studs 63, referring to Fig. 5 and Fig. 6.
One end of tested studs 63 is screwed in the auxilliary anchor clamps 4 of a bolt; The other end with tested studs 63 is screwed in the auxilliary anchor clamps 4 of another bolt again; The whole two ends that to work good again are fixing respectively with lower chuck 52 places in testing apparatus upper grip 51, can implement to detect.

Claims (4)

1. the suit anchor clamps are used in a multi-functional screw thread securing member test, It is characterized in that:It comprises main anchor clamps (1), cushion block (2), the auxilliary anchor clamps (3) of nut, the auxilliary anchor clamps (4) of bolt, wherein:
Said main anchor clamps (1) comprise clamp box (12), be used for that equipment one end chuck to be tested grips clamp bar (11);
The said box body that clamps box (12) for the left end opening formed by roof, antetheca, rear wall, You Bi, diapire, box body has cavity (13), has on the diapire of box body to extend from left to right and along the penetrating slot of the thickness direction of diapire (14);
The said bar (11) that clamps is fixed on the top wall outer surface that clamps box (12) and extends upward;
It is direct rod shape that said nut is assisted anchor clamps (3), is divided into and is used for the upper bar suitable with tested nut (61), is used for the lower pole that equipment one end chuck to be tested grips; Nut is assisted anchor clamps (3) and is left the gap when placing slot (14) vertically and between slot (14); Said upper bar has the suitable external thread of internal thread hole with tested nut (61);
It is direct rod shape that said bolt is assisted anchor clamps (4), comprises being used for the suitable upper bar of tested bolt (62) or tested studs (63), being used for the lower pole that equipment chuck to be tested grips; The center of upper bar is provided with and has the tapped blind hole that extends along the bar length direction, and the external thread of said tapped blind hole and tested bolt (62) or tested studs (63) is suitable;
Said cushion block (2) is for having the bulk of upper horizontal plane, lower horizontal plane; Cushion block has the through hole along thickness direction on (2), and it is suitable or suitable with tested bolt (62) or tested studs (63) that said through hole and nut are assisted the upper bar of anchor clamps (3); The maximum diameter place of said cushion block (2) is greater than the width of the fore-and-aft direction of slot (14) and less than the width of the fore-and-aft direction of cavity (13).
2. the suit anchor clamps are used in multi-functional screw thread securing member test according to claim 1, It is characterized in that:Said supporting rod (11) and the transition position that clamps between box (12) have boss structure.
3. the suit anchor clamps are used in multi-functional screw thread securing member test according to claim 1, It is characterized in that:The junction that said bolt is assisted upper bar and the lower pole of anchor clamps (4) is up big and down small step-like.
4. the suit anchor clamps are used in multi-functional screw thread securing member test according to claim 1, It is characterized in that:The junction that said nut is assisted upper bar and the lower pole of anchor clamps (3) is up-small and down-big step-like.
CN2011202736134U 2011-07-29 2011-07-29 Multifunctional packaged clamp for tests of threaded fasteners Expired - Fee Related CN202182848U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202736134U CN202182848U (en) 2011-07-29 2011-07-29 Multifunctional packaged clamp for tests of threaded fasteners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202736134U CN202182848U (en) 2011-07-29 2011-07-29 Multifunctional packaged clamp for tests of threaded fasteners

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Publication Number Publication Date
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103091161A (en) * 2013-01-08 2013-05-08 常州华厦建设工程质量检测有限公司 Tensile strength test clamp of automatic positioning screw
CN103837405A (en) * 2013-10-31 2014-06-04 贵州航天新力铸锻有限责任公司 Universal simple puller for high-temperature and normal-temperature mechanical tensile experiments
CN104111191A (en) * 2013-04-18 2014-10-22 汉达精密电子(昆山)有限公司 Nut drawing force test structure
CN104454879A (en) * 2014-10-31 2015-03-25 北京宇航系统工程研究所 Method for restraining reduction of pretightening force of separating device such as separating nut
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
CN107462462A (en) * 2017-06-22 2017-12-12 中国船舶重工集团公司第七二五研究所 A kind of fixture of ultrashort bolt wedge load test and the method tested with it
CN110125842A (en) * 2019-06-05 2019-08-16 海盐三马标准件有限公司 A kind of drawing stationary fixture of hexagonal flange nut
CN110146373A (en) * 2019-05-29 2019-08-20 上海航天设备制造总厂有限公司 A kind of standard fasteners cryogenic mechanics performance test fixture
CN110640652A (en) * 2019-09-29 2020-01-03 国网天津市电力公司电力科学研究院 Special clamp for detecting mechanical property of bolt and using method thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103091161A (en) * 2013-01-08 2013-05-08 常州华厦建设工程质量检测有限公司 Tensile strength test clamp of automatic positioning screw
CN103091161B (en) * 2013-01-08 2016-06-08 常州华厦建设工程质量检测有限公司 Automatic dog screw tensile strength test clamp
CN104111191A (en) * 2013-04-18 2014-10-22 汉达精密电子(昆山)有限公司 Nut drawing force test structure
CN103837405A (en) * 2013-10-31 2014-06-04 贵州航天新力铸锻有限责任公司 Universal simple puller for high-temperature and normal-temperature mechanical tensile experiments
CN104454879A (en) * 2014-10-31 2015-03-25 北京宇航系统工程研究所 Method for restraining reduction of pretightening force of separating device such as separating nut
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
CN107462462A (en) * 2017-06-22 2017-12-12 中国船舶重工集团公司第七二五研究所 A kind of fixture of ultrashort bolt wedge load test and the method tested with it
CN110146373A (en) * 2019-05-29 2019-08-20 上海航天设备制造总厂有限公司 A kind of standard fasteners cryogenic mechanics performance test fixture
CN110146373B (en) * 2019-05-29 2022-09-16 上海航天设备制造总厂有限公司 Standard fastener low temperature mechanical properties test fixture
CN110125842A (en) * 2019-06-05 2019-08-16 海盐三马标准件有限公司 A kind of drawing stationary fixture of hexagonal flange nut
CN110640652A (en) * 2019-09-29 2020-01-03 国网天津市电力公司电力科学研究院 Special clamp for detecting mechanical property of bolt and using method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120404

Termination date: 20170729