CN203929305U - The fastening performance testing device of a kind of bolt and nut - Google Patents
The fastening performance testing device of a kind of bolt and nut Download PDFInfo
- Publication number
- CN203929305U CN203929305U CN201420321030.8U CN201420321030U CN203929305U CN 203929305 U CN203929305 U CN 203929305U CN 201420321030 U CN201420321030 U CN 201420321030U CN 203929305 U CN203929305 U CN 203929305U
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- nut
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- clamp
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- Expired - Lifetime
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- 238000012360 testing method Methods 0.000 title claims abstract description 95
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 16
- 238000011056 performance test Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 11
- 238000004806 packaging method and process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses the fastening performance testing device of a kind of bolt and nut, comprise testing base, cannot blue clamping device and flange clamping device, solve in the fastening performance test process of bolt and nut for bolt specification compared with short and can not test, and for the problem of damage equipment in the bolt and nut test process of flanged.
Description
Technical field
The utility model belongs to detection technique field, relates in particular to the fastening performance testing device of a kind of bolt and nut.
Background technology
The securing members such as bolt and nut are being carried out to fastening performance (moment of torsion at present, torque coefficient, axial pre tightening force, friction factor etc.) in test process, all adopt special bolt torque analytical equipment to test, but this kind of test mode has the following disadvantages at present: 1, this kind equipment often has certain requirement to size of sample in test process, as the bolt to shorter cannot be tested, but the bolt of important installation site is because length is compared with short and cannot carry out fastening performance test under many circumstances, formulation and the performance evaluation of such bolts assemblies technique have largely been affected, also limited the usable range of such testing apparatus, 2, when some flanged fastening performances of bolt/nut of test, need to adopt an attachment device that flange face is placed in one, then bolt or nut bear moment of torsion and test, current testing apparatus is often carried out transmitting torque by register pin fixation test fixture, the moment of flexure that this register pin can bear can meet this equipment peak torque range test at the beginning of equipment design, but the existence due to attachment device, making actual location pin bear the moment of flexure arm of force lengthens, thereby register pin bears larger moment of flexure, cause that register pin is regular to fracture from root, normally carrying out of impact test, and improved the maintenance cost of testing apparatus.
Utility model content
Technical problem to be solved in the utility model is to provide in the fastening performance test process of a kind of solution bolt and nut for bolt specification compared with short and can not test, and the fastening performance testing device of bolt and nut that is difficult to the problem of test for the bolt and nut of flanged.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: the fastening performance testing device of a kind of bolt and nut, comprise testing base, cannot blue clamping device and flange clamping device,
Described testing base comprises:
Test bench, is provided with axial force transducer in described Test bench, is provided with moment of torsion register pin on axial force transducer, is provided with for placing the space of above-mentioned clamping device in axial force transducer; Described Test bench is provided with pad pedestal outward, and described pad pedestal is provided with the through hole that can pass for bolt;
Described cannot comprising by blue clamping device:
Without flange clamp, describedly without flange clamp, can be placed on space in axial force transducer, and free to rotate, without flange clamp, be provided with the groove coordinating with moment of torsion register pin, without being provided with the through hole that can pass for bolt in flange clamp, in through hole, be provided with the spacing nut step without flange nut;
Described flange clamping device comprises:
Flange clamp and flange face support fixture,
Described flange face support fixture can be placed on space in axial force transducer, and free to rotate, in flange clamp and flange face support fixture, be provided with the through hole that can pass for bolt, the through hole of flange face support fixture is provided with the flange step of locating flange face nut flange, flange clamp is provided with boss, boss coordinates with flange face support fixture and mounting flange face nut flange, and described flange clamp is provided with the stopper slot coordinating with moment of torsion register pin.
Described Test bench rear end is also provided with back shroud.
Described pad pedestal is provided with the pad coordinating with bolt.
Described flange face support fixture periphery is provided with limited step.
A technical scheme tool in technique scheme has the following advantages or beneficial effect,
1, widened to a great extent the test specification of current bolt torque analytical equipment, reduced the requirement to test bolt length specification, for assembling, by the fastening performance of bolt/nut, there is accurate test data, for formulation and the control of assembly technology, had data foundation;
2, because moment of torsion register pin is installed on testing apparatus axial force transducer, by adopting the packaging type of minimum moment of flexure to design, make moment of torsion register pin center of effort all the time in register pin root (bending resistance is maximum), reduced the moment of flexure that register pin bears, make to meet the damage of having avoided moment of torsion register pin in the bolt/nut test process of equipment torsion-testing range, avoided this maintenance cost and the damage to sensor, effectively saved testing cost and improved testing efficiency.
Accompanying drawing explanation
The structural representation of the testing base that Fig. 1 is the fastening performance testing device of bolt and nut that provides in the utility model embodiment;
Fig. 2 be cannot blue clamping device structural representation;
Fig. 3 is the structural representation without flange clamp of Fig. 2;
Fig. 4 is the A-A cut-open view of Fig. 3;
Fig. 5 is the structural representation of flange clamping device;
Fig. 6 is the structural representation of the flange face support fixture of Fig. 5;
Fig. 7 is the structural representation of the flange clamp of Fig. 5;
Fig. 8 is the A-A cut-open view of Fig. 7;
Mark in above-mentioned figure is: 1, Test bench, 2, axial force transducer, 21, moment of torsion register pin, 3, pad pedestal, 31, pad, 4, back shroud, 5, without flange clamp, 51, groove, 52, nut step, 6, flange clamp, 61, stopper slot, 62, boss, 7, flange face support fixture, 71, flange step, 72, limited step, 73, coordinate step, 8, flange face bolt, 9, without flange nut, 10, without flange face bolt, 11, flange surface nut.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
The fastening performance testing device of bolt and nut, comprise testing base, cannot blue clamping device and flange clamping device.
Referring to Fig. 1, testing base comprises:
Test bench 1, is provided with axial force transducer 2 in Test bench 1, be provided with moment of torsion register pin 21 on axial force transducer 2, is provided with for placing the space of above-mentioned clamping device in axial force transducer 2; The outer pad pedestal 3 that is provided with of Test bench 1, pad pedestal 3 is provided with the through hole that can pass for bolt; Test bench 1 rear end is also provided with back shroud 4.Pad pedestal 3 is provided with the pad 31 coordinating with bolt.
As in Figure 2-4, cannot comprise by blue clamping device:
Without flange clamp 5, without flange clamp 5, can be placed on the interior space of axial force transducer 2, and free to rotate, as shown in Figure 3, without flange clamp 5, be provided with the groove 51 coordinating with moment of torsion register pin 21, as shown in Figure 4, without being provided with the through hole that can pass for bolt in flange clamp 5, in through hole, be provided with the spacing nut step 52 without flange nut 9;
As shown in Fig. 5-8, flange clamping device comprises:
Flange clamp 6 and flange face support fixture 7,
Flange face support fixture 7 can be placed on the interior space of axial force transducer 2, and free to rotate, in flange clamp 6 and flange face support fixture 7, be provided with the through hole that can pass for bolt, as shown in Figure 6, the through hole of flange face support fixture 7 is provided with the flange step 71 of locating flange face nut 11 flanges, and flange face support fixture 7 peripheries are provided with limited step 72.
As Figure 7-8, flange clamp 6 is provided with boss 62, and boss 62 coordinates with flange face support fixture 7 and mounting flange face nut 11 flanges, and flange clamp 6 is provided with the stopper slot 61 coordinating with moment of torsion register pin 21.
1, according to securing member specifications such as concrete test bolt or nuts, process the embedded testing fixture in corresponding assembling aperture, as shown in Figure 1, Figure 2, Fig. 3.This fixture all adopts the design of unidirectional inner hollow, when test is installed, adopts embedded installation (bolt is inserted to hollow region), has avoided conventional Plane Installation and causes requirement thru-bolt just can test;
2, there is certain interval in this embedded testing fixture and testing of equipment base, avoided in test process holding out against due to micro-deformation and testing of equipment base the data difference producing, in test process, guaranteeing under the prerequisite of Fixture assembly aperture edge part intensity, can adjust fixture bottom thickness according to axial force size, guarantee that fixture has good rigidity and intensity;
3,, when needs are tested flange face bolt 8 or nut, according to the test channel of testing apparatus and moment of torsion register pin 21 specifications design packaging type test fixtures, this packaging type fixture and flange face support fixture 7 are used in conjunction with as Fig. 2.
4, flange face support fixture 7 adopts shoulder types design, and shoulder part external diameter is less than moment of torsion register pin 21 spacing, not interfere with register pin so that with wrapped up completely;
5, flange clamp 6 adopts packaging type design, be used for bearing the test moment of torsion of bolt head or nut, and directly coordinate with moment of torsion register pin 21, register pin moment of flexure center of effort is in register pin root, and this kind of method be not because securing member specification changes, reduced to a great extent the moment of flexure of bearing of moment of torsion register pin 21, the phenomenon of avoiding it to fracture because moment of flexure is excessive.
The fastening performance test of flange face bolt 8: as shown in Figure 2,
1, according to bolt specification, according to Fig. 3-4, design the test fixture of respective aperture, the embedded degree of depth is set according to the axial force of bolt specification and the estimation of test moment of torsion;
2, fixture is installed on testing of equipment base, adjusts position, avoid Clamping Off-set, need to increase and decrease pad pedestal 3 as bolt is long, the thinnest pad pedestal 3 that adopts as shorter in bolt coordinates;
3, bolt is installed on to testing of equipment pedestal 1, manually tightens matching nut, adjust testing apparatus and tighten end, set test parameter and equipment protecting equipment, starting outfit starts test.
Without the fastening performance test of flange face bolt 10: as shown in Figure 5,
1, according to bolt specification, according to Fig. 6, design the flange face support fixture 7 of respective aperture, the embedded degree of depth is set according to the axial force of bolt specification and the estimation of test moment of torsion;
2, flange face support fixture 7 is installed on testing of equipment base, adjusts position, avoid Clamping Off-set, need to increase and decrease pad pedestal 3 as bolt is long, the thinnest pad pedestal 3 that adopts as shorter in bolt coordinates;
3, bolt is installed on to testing of equipment pedestal 1, manually flange surface nut 11 is screwed into 7 contacts of flange face support fixture;
4, by flange clamp 6, (as Fig. 7-8 are installed to testing of equipment pedestal 1, as Fig. 5, adjust testing apparatus and tighten end, set test parameter and protective device, starting outfit starts test.
Note: test nut and test bolt similar process, just tighten end for tested nut (have flange face or without flange face), installation process is similar with test bolt installation process, is testing of equipment floor installation bolt head (with/without flange face).
A technical scheme tool in technique scheme has the following advantages or beneficial effect,
1, widened to a great extent the test specification of current bolt torque analytical equipment, reduced the requirement to test bolt length specification, for assembling, by the fastening performance of bolt/nut, there is accurate test data, for formulation and the control of assembly technology, had data foundation;
2, moment of torsion register pin 21 is installed on testing apparatus axial force transducer 2, by adopting the packaging type of minimum moment of flexure to design, make moment of torsion register pin 21 center of effort maximum in register pin root bending resistance all the time, reduced the moment of flexure that register pin bears, make to meet the damage of having avoided moment of torsion register pin 21 in the bolt/nut test process of equipment torsion-testing range, avoided this maintenance cost and the damage to sensor, effectively saved testing cost and improved testing efficiency.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (4)
1. the fastening performance testing device of bolt and nut, is characterized in that, comprise testing base, cannot blue clamping device and flange clamping device,
Described testing base comprises:
Test bench (1), axial force transducer (2) is installed in described Test bench (1), on axial force transducer (2), be provided with moment of torsion register pin (21), in axial force transducer (2), be provided with for placing the space of above-mentioned clamping device; The outer pad pedestal (3) that is provided with of described Test bench (1), described pad pedestal (3) is provided with the through hole that can pass for bolt;
Described cannot comprising by blue clamping device:
Without flange clamp (5), describedly without flange clamp (5), can be placed on the interior space of axial force transducer (2), and free to rotate, without flange clamp (5), be provided with the groove (51) coordinating with moment of torsion register pin (21), without being provided with the through hole that can pass for bolt in flange clamp (5), in through hole, be provided with the spacing nut step (52) without flange nut (9);
Described flange clamping device comprises:
Flange clamp (6) and flange face support fixture (7),
Described flange face support fixture (7) can be placed on the interior space of axial force transducer (2), and free to rotate, in flange clamp (6) and flange face support fixture (7), be provided with the through hole that can pass for bolt, the through hole of flange face support fixture (7) is provided with the flange step (71) of locating flange face nut (11) flange, flange clamp (6) is provided with boss (62), boss (62) coordinates with flange face support fixture (7) and mounting flange face nut (11) flange, described flange clamp (6) is provided with the stopper slot (61) coordinating with moment of torsion register pin (21).
2. the fastening performance testing device of bolt and nut as claimed in claim 1, is characterized in that, described Test bench (1) rear end is also provided with back shroud (4).
3. the fastening performance testing device of bolt and nut as claimed in claim 1 or 2, is characterized in that, described pad pedestal (3) is provided with the pad (31) coordinating with bolt.
4. the fastening performance testing device of bolt and nut as claimed in claim 3, is characterized in that, described flange face support fixture (7) periphery is provided with limited step (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321030.8U CN203929305U (en) | 2014-06-16 | 2014-06-16 | The fastening performance testing device of a kind of bolt and nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321030.8U CN203929305U (en) | 2014-06-16 | 2014-06-16 | The fastening performance testing device of a kind of bolt and nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929305U true CN203929305U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420321030.8U Expired - Lifetime CN203929305U (en) | 2014-06-16 | 2014-06-16 | The fastening performance testing device of a kind of bolt and nut |
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| Country | Link |
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| CN (1) | CN203929305U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738099A (en) * | 2016-04-22 | 2016-07-06 | 南京利德东方橡塑科技有限公司 | Apparatus for detecting torsional force of brake oil-passing bolt |
| CN105784249A (en) * | 2016-03-28 | 2016-07-20 | 北京理工大学 | Measuring device and method for torsion-tension relation of threaded structure |
| CN108051130A (en) * | 2017-12-08 | 2018-05-18 | 北京理工大学 | It is a kind of to turn round caliberating device and the method for establishing unprincipled connection |
| CN110657976A (en) * | 2019-10-12 | 2020-01-07 | 北京工业大学 | Bolt fastening experimental device for ensuring coaxiality |
| CN110926772A (en) * | 2019-11-26 | 2020-03-27 | 北京工业大学 | Slider formula flange bolt fastening experimental apparatus |
| CN112556915A (en) * | 2020-11-26 | 2021-03-26 | 济南纳克试验设备有限公司 | Bolt and nut connection pair comprehensive performance test device |
-
2014
- 2014-06-16 CN CN201420321030.8U patent/CN203929305U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784249A (en) * | 2016-03-28 | 2016-07-20 | 北京理工大学 | Measuring device and method for torsion-tension relation of threaded structure |
| CN105784249B (en) * | 2016-03-28 | 2019-01-29 | 北京理工大学 | A kind of measuring device and measuring method that helicitic texture torsion is established unprincipled connection |
| CN105738099A (en) * | 2016-04-22 | 2016-07-06 | 南京利德东方橡塑科技有限公司 | Apparatus for detecting torsional force of brake oil-passing bolt |
| CN108051130A (en) * | 2017-12-08 | 2018-05-18 | 北京理工大学 | It is a kind of to turn round caliberating device and the method for establishing unprincipled connection |
| CN110657976A (en) * | 2019-10-12 | 2020-01-07 | 北京工业大学 | Bolt fastening experimental device for ensuring coaxiality |
| CN110657976B (en) * | 2019-10-12 | 2021-09-17 | 北京工业大学 | Bolt fastening experimental device for ensuring coaxiality |
| CN110926772A (en) * | 2019-11-26 | 2020-03-27 | 北京工业大学 | Slider formula flange bolt fastening experimental apparatus |
| CN110926772B (en) * | 2019-11-26 | 2021-07-23 | 北京工业大学 | Slider formula flange bolt fastening experimental apparatus |
| CN112556915A (en) * | 2020-11-26 | 2021-03-26 | 济南纳克试验设备有限公司 | Bolt and nut connection pair comprehensive performance test device |
| CN112556915B (en) * | 2020-11-26 | 2022-09-30 | 济南纳克试验设备有限公司 | Bolt and nut connection pair comprehensive performance test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |