CN204286667U - A kind of tools for bolts ' pretension force measuring device - Google Patents
A kind of tools for bolts ' pretension force measuring device Download PDFInfo
- Publication number
- CN204286667U CN204286667U CN201420840555.2U CN201420840555U CN204286667U CN 204286667 U CN204286667 U CN 204286667U CN 201420840555 U CN201420840555 U CN 201420840555U CN 204286667 U CN204286667 U CN 204286667U
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- bolt
- internal threaded
- threaded column
- bolts
- display
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Abstract
A kind of tools for bolts ' pretension force measuring device, comprises pressure block (1), test bolt (2), internal threaded column (3), pressure sensing cell (4), data line (5), display (6), coupling bolt (7), nut (8), installing plate (9) and is fixedly connected with bolt (10).This measurement mechanism can directly be measured by display and read bolt and be connected pretightning force, overcomes the error formed by screw-down torque indirect calculation pretightning force, improves bolt tightening assembly precision, achieve the accurate control to bolt tightening parameter; The survey instrument conventional by LOAD CELLS and torque-indicating wrencg etc. forms, easy to assembly, with low cost; Test bolt, pressure block and internal threaded column all can adjust according to actual production situation, strong adaptability, and the little Wei enterprise being particularly suitable for short run multi-item production pattern adopts, and has quantized to tighten parameter, improves the reliability that bolt connects design.
Description
Technical field
The utility model relates to a kind of tools for bolts ' pretension force measuring device, belongs to bolt detection technique field.
Background technology
Be threaded is that the most frequently used one is connected and fixed one of mode.Its Main Function is: when ensureing that connected piece bears certain load, and being connected part can reliable and normal work.This just requires, as the bolt connected, to have enough axial pre tightening forces after tightening.The pretightening force measuring apparatus that market is sold, principle of work measures screw-down torque, and rule of thumb formula indirect calculation draws pretightning force.The actual pretightning force realized affects by factors such as surfaceness, rigidity and processing dimension fluctuations, there is larger difference with the pretightning force calculated.So in bolt tightening reliability design with when confirming, only can not judge according to calculated value, and calculated value and actual measured value should be combined and consider.Existing pretightening force measuring apparatus is very complicated, involves great expense, and little Wei enterprise is difficult to bear on cost.Therefore in bolted quality testing, the processing dimension of a little Wei enterprise often double thread checks, cannot carry out inspection to the actual strength of joint of bolt and confirm, double thread connection reliability brings very large uncertain risk.So design one simply can be measured and be read that to tighten the low bolt tightening parameter measuring apparatus of parameter, cost and use cost just very necessary.
Summary of the invention
The purpose of this utility model is, in order to overcome the relevant issues existed in prior art, the utility model provides a kind of tools for bolts ' pretension force measuring device.
The technical solution of the utility model is, this device utilizes conventional LOAD CELLS and torque-indicating wrencg, respectively pretightning force during bolt tightening and screw-down torque are measured, and by studying the relation constantly of moment of torsion and pretightning force in rundown process, draw related law and the parameter of bolt tightening process; For the quality grade of bolt, draw by the pretightning force size measured when bolt is twisted into two parts.The composition of whole measurement mechanism is simple, with low cost, very practical.
A kind of tools for bolts ' pretension force measuring device of the utility model comprises: pressure block, test bolt, internal threaded column, pressure sensing cell, data line, display, coupling bolt, nut, installing plate and be fixedly connected with bolt.Wherein installing plate is connected with nut by being fixedly connected with bolt with pressure sensing cell; Internal threaded column is reliably connected by coupling bolt with installing plate; Pressure block is placed on the inner ring end face of pressure sensing cell; Test bolt is screwed into internal threaded column in advance through pressure block; Pressure sensing cell is linked up by data line and display.
Open the switch of display during use, measurement and monitoring can be carried out to the parameter in bolt tightening process.
Principle of work of the present utility model is: when carrying out measurement operation, by torque-indicating wrencg by tested bolt tightening, torque value in the middle of rundown process directly reads by digital display torque-indicating wrencg, pretightning force passes to pressure sensing cell by pressure block, directly read by pressure display unit, whole test process is very simple and convenient.
The utility model is compared with background technology, the beneficial effect had is: the utility model is by means of only employing LOAD CELLS and torque-indicating wrencg, can realize is correlated with to rundown process tightens the monitoring of parameter, and parts are few, structure is simple, easy to assembly, with low cost.Test bolt of the present utility model, pressure block and internal threaded column all can adjust according to actual production situation, strong adaptability, the little Wei enterprise being particularly suitable for short run multi-item production pattern adopts, and has quantized the monitoring of enterprise to pretightning force, friction factor, improves the reliability that bolt connects design.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model tools for bolts ' pretension force measuring device;
In figure, 1 is pressure block; 2 is test bolts; 3 is internal threaded columns; 4 is pressure sensing cells; 5 is data lines; 6 is displays; 7 is coupling bolts; 8 is nuts; 9 is installing plates; 10 is coupling bolts.
Embodiment
Embodiment of the present utility model as shown in Figure 1.
A kind of tools for bolts ' pretension force measuring device of the present embodiment is by pressure block 1, test bolt 2, internal threaded column 3, pressure sensing cell 4, data line 5, display 6, coupling bolt 7, nut 8, installing plate 9 and be fixedly connected with bolt 10 and form.Wherein installing plate 9 is connected with nut 8 by being fixedly connected with bolt 10 with pressure sensing cell 4; Internal threaded column 3 is reliably connected by coupling bolt 7 with installing plate 9; Pressure block 1 is placed on the inner ring end face of pressure sensing cell 4; Test bolt 2 is screwed into internal threaded column 3 in advance through pressure block 1; Pressure sensing cell is linked up by data line and display.Pretightning force in bolt tightening process can be monitored.
When carrying out measurement operation, tightened by test bolt 2 by torque-indicating wrencg, the torque value in the middle of rundown process directly reads by digital display torque-indicating wrencg, and pretightning force is delivered to by pressure block 3, directly read by pressure display unit, whole test process is very simple and convenient.
According to enterprise's needs, can measurement mechanism be fixed on trolley, realize measuring in different operating region.
Claims (1)
1. a tools for bolts ' pretension force measuring device, is characterized in that, described device is by pressure block, test bolt, internal threaded column, pressure sensing cell, data line, display, coupling bolt, nut, installing plate and be fixedly connected with bolt and form; Installing plate is connected with nut by being fixedly connected with bolt with pressure sensing cell; Internal threaded column is reliably connected by coupling bolt with installing plate; Pressure block is placed on the inner ring end face of pressure sensing cell; Test bolt is screwed into internal threaded column in advance through pressure block; Pressure sensing cell is linked up by data line and display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840555.2U CN204286667U (en) | 2014-12-26 | 2014-12-26 | A kind of tools for bolts ' pretension force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840555.2U CN204286667U (en) | 2014-12-26 | 2014-12-26 | A kind of tools for bolts ' pretension force measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204286667U true CN204286667U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420840555.2U Expired - Fee Related CN204286667U (en) | 2014-12-26 | 2014-12-26 | A kind of tools for bolts ' pretension force measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204286667U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547565A (en) * | 2015-12-03 | 2016-05-04 | 中国航空综合技术研究所 | Device for measuring locking torque of screw thread self-plugging rivet |
| CN105651448A (en) * | 2016-04-07 | 2016-06-08 | 贵州航瑞科技有限公司 | Fastener retention force measuring tool |
| CN106124301A (en) * | 2016-08-17 | 2016-11-16 | 浙江吉利控股集团有限公司 | Bolt and nut weld strength test device and method |
| CN106346420A (en) * | 2016-09-14 | 2017-01-25 | 北京航空航天大学 | Precise pre-tightening device for bolts |
| CN106709077A (en) * | 2015-07-16 | 2017-05-24 | 北京福田康明斯发动机有限公司 | Bolt tightening equipment and method and bolt tightening monitoring system and method |
| CN107024566A (en) * | 2017-05-18 | 2017-08-08 | 合肥科天水性科技有限责任公司 | A kind of press device tested for based Wood Adhesives |
| CN107588079A (en) * | 2017-09-06 | 2018-01-16 | 河海大学 | It can monitor and control the friction type high strength bolt, connector and its construction method of pretension |
| 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 |
| CN108151947A (en) * | 2017-12-26 | 2018-06-12 | 北京理工大学 | The caliberating device and scaling method of a kind of pretightning force and elongation |
| CN109671328A (en) * | 2019-01-24 | 2019-04-23 | 重庆电子工程职业学院 | A kind of urgent training platform of bolt for training |
| CN109974920A (en) * | 2019-04-12 | 2019-07-05 | 哈尔滨电机厂有限责任公司 | A kind of bolt fastener stress dynamic monitoring method |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
| CN112179554A (en) * | 2020-09-18 | 2021-01-05 | 大连理工大学 | Thread torque and pretightening force measuring device of small-size bolt fastener |
| TWI719821B (en) * | 2020-02-03 | 2021-02-21 | 國立中山大學 | Automatic nut internal thread quality tester |
| CN112539865A (en) * | 2019-09-04 | 2021-03-23 | 中国航发商用航空发动机有限责任公司 | Tool for measuring bolt connection installation pretightening force, measuring system and measuring method |
| CN114593858A (en) * | 2022-03-10 | 2022-06-07 | 上海罗玛动力科技有限公司 | Portable torque analyzer |
-
2014
- 2014-12-26 CN CN201420840555.2U patent/CN204286667U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106709077A (en) * | 2015-07-16 | 2017-05-24 | 北京福田康明斯发动机有限公司 | Bolt tightening equipment and method and bolt tightening monitoring system and method |
| CN106709077B (en) * | 2015-07-16 | 2020-06-23 | 北京福田康明斯发动机有限公司 | Bolt tightening apparatus and method, and bolt tightening monitoring system and method |
| CN105547565A (en) * | 2015-12-03 | 2016-05-04 | 中国航空综合技术研究所 | Device for measuring locking torque of screw thread self-plugging rivet |
| CN105651448A (en) * | 2016-04-07 | 2016-06-08 | 贵州航瑞科技有限公司 | Fastener retention force measuring tool |
| CN106124301B (en) * | 2016-08-17 | 2019-02-22 | 浙江吉利汽车研究院有限公司 | Bolt and nut weld strength test device and method |
| CN106124301A (en) * | 2016-08-17 | 2016-11-16 | 浙江吉利控股集团有限公司 | Bolt and nut weld strength test device and method |
| CN106346420A (en) * | 2016-09-14 | 2017-01-25 | 北京航空航天大学 | Precise pre-tightening device for bolts |
| CN106346420B (en) * | 2016-09-14 | 2018-03-20 | 北京航空航天大学 | A kind of accurate pre-tightening apparatus of bolt |
| CN107024566A (en) * | 2017-05-18 | 2017-08-08 | 合肥科天水性科技有限责任公司 | A kind of press device tested for based Wood Adhesives |
| CN107588079A (en) * | 2017-09-06 | 2018-01-16 | 河海大学 | It can monitor and control the friction type high strength bolt, connector and its construction method of pretension |
| 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 |
| CN108151947A (en) * | 2017-12-26 | 2018-06-12 | 北京理工大学 | The caliberating device and scaling method of a kind of pretightning force and elongation |
| CN110418948B (en) * | 2018-02-28 | 2021-05-07 | 株式会社东日制作所 | Pulling device |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
| US10828759B2 (en) | 2018-02-28 | 2020-11-10 | Tohnichi Mfg. Co., Ltd. | Tensioning device |
| CN109671328A (en) * | 2019-01-24 | 2019-04-23 | 重庆电子工程职业学院 | A kind of urgent training platform of bolt for training |
| CN109974920A (en) * | 2019-04-12 | 2019-07-05 | 哈尔滨电机厂有限责任公司 | A kind of bolt fastener stress dynamic monitoring method |
| CN112539865A (en) * | 2019-09-04 | 2021-03-23 | 中国航发商用航空发动机有限责任公司 | Tool for measuring bolt connection installation pretightening force, measuring system and measuring method |
| TWI719821B (en) * | 2020-02-03 | 2021-02-21 | 國立中山大學 | Automatic nut internal thread quality tester |
| US11175122B2 (en) | 2020-02-03 | 2021-11-16 | National Sun Yat-Sen University | Automatic nut internal thread quality tester |
| CN112179554A (en) * | 2020-09-18 | 2021-01-05 | 大连理工大学 | Thread torque and pretightening force measuring device of small-size bolt fastener |
| CN112179554B (en) * | 2020-09-18 | 2021-07-06 | 大连理工大学 | Thread torque and pretightening force measuring device of small-size bolt fastener |
| CN114593858A (en) * | 2022-03-10 | 2022-06-07 | 上海罗玛动力科技有限公司 | Portable torque analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150422 Termination date: 20171226 |