CN102840971A - Looseness detecting device of bolt and nut fastening piece - Google Patents
Looseness detecting device of bolt and nut fastening piece Download PDFInfo
- Publication number
- CN102840971A CN102840971A CN2012103113638A CN201210311363A CN102840971A CN 102840971 A CN102840971 A CN 102840971A CN 2012103113638 A CN2012103113638 A CN 2012103113638A CN 201210311363 A CN201210311363 A CN 201210311363A CN 102840971 A CN102840971 A CN 102840971A
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- nut
- bolt
- installing plate
- follower gear
- securing member
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Abstract
The invention relates to a looseness detecting device of a bolt and nut fastening piece.The looseness detecting device is mainly used for detecting whether the bolt and nut fastening piece is loose. A signal sent by a sensor is read by using a detector; when the fastening piece is loose, a driving gear is driven to rotate when a nut is rotated, so that a driven gear meshed with the driving gear is driven to rotate; when an area at which a metal coating layer on the surface of the driven gear is rotated to a part above a sensor installing groove, the signal sent from the senor to the detector is shielded, then looseness of the fastening piece can be detected. Therefore, whether the fastening piece is loose can be identified automatically; labor is saved; detection efficiency is improved; and meanwhile, dangers which can happen during manual detection is avoided.
Description
Technical field
The present invention relates to a kind of loosening pick-up unit of bolt and nut securing member, be mainly used in detection bolt and nut securing member and whether occur becoming flexible.
Background technology
The bolt and nut securing member is easy to use, in daily productive life, is seen everywhere, and is a kind of connection commonly used, the part of fixed equipment.And a large amount of securing members all is installed at the large-scale steel frame construction track in some important places, the track of winding cage etc.; But these equipment in use; The long-term effect that constantly receives external force can produce vibration; It is loosening that this just can make the bolt and nut securing member produce inevitably, and therefore the loosening safety that has a strong impact on the goods and materials and the person of securing member need to grasp in real time the loosening situation of securing member.
At present, conventional method is that all securing members are carried out manual inspection, adopts spanner one by one securing member to be detected; But because securing member quantity is many; Existing manual detection means need the man power and material of labor, have reduced the effective time of production run.And near the essential position that arrives securing member of testing staff is in some high-altitudes, the personnel place that is difficult for arriving more wastes time and energy, and also unsafe condition possibly occur.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of securing member of can discerning automatically to become flexible, time saving and energy saving, the loosening pick-up unit of the bolt and nut securing member of efficient quick.
The objective of the invention is to realize like this:
The loosening pick-up unit of bolt and nut securing member of the present invention; Comprise nut installing plate, bolt installing plate and detector, fix through connecting link between said nut installing plate and the bolt installing plate that wherein the nut installing plate is provided with driving gear and follower gear; Said follower gear is meshed with driving gear; Have nut bore on the said driving gear, have bolt hole on the said bolt installing plate, the upper-lower position of said nut bore and bolt hole is relative.
Said nut installing plate has a sensor mounting groove below follower gear; Be placed with sensor in this sensor mounting groove; Said follower gear is coated with the layer of metal coating in certain zone on its surface, the surface area of this metallic coating is not less than the surface area of sensor mounting groove;
Said follower gear has lacked several teeth on its circumference, form the follower gear breach, and the arc length that this follower gear breach forwards the gearing mesh place to equals the metallic coating region and forwards the arc length when covering the sensor mounting groove fully to.
Also be fixed with a cover plate on the said nut installing plate, have circular hole on the cover plate, said circular hole, nut bore and the bolt hole center of going up is located along the same line, and Circularhole diameter greater than with the diameter of nut bore.
The loosening pick-up unit of bolt and nut securing member of the present invention has the following advantages:
The signal that the loosening pick-up unit of bolt and nut securing member of the present invention sends through the detector read sensor; When becoming flexible appears in securing member, when making nut occur rotating, just can be with driving gear to rotate; Thereby driving the follower gear that is engaged with rotates; When the metallic coating region on follower gear surface forwards the top of sensor mounting groove to, just can block the signal that sensor sends to detector, occur loosening thereby just can detect securing member.So just, can discern securing member automatically and whether occur becoming flexible, save manpower, improve detection efficiency, the danger that can occur when having avoided manual detection simultaneously.
Description of drawings
Fig. 1 is the structural representation of the loosening pick-up unit of bolt and nut securing member of the present invention.
Fig. 2 is the vertical view of nut installing plate among Fig. 1.
Fig. 3 is the inner structure synoptic diagram of Fig. 1 nut installing plate.
Fig. 4 is the synoptic diagram after the loosening pick-up unit of bolt and nut securing member of the present invention is loaded onto securing member.
Among the figure: nut installing plate 1, bolt installing plate 2, bolt hole 2.1, connecting link 3, driving gear 4, nut bore 4.1, follower gear 5, sensor mounting groove 6, sensor 7, metallic coating 8, follower gear breach 9, cover plate 10, circular hole 10.1, detector 11, steel plate 12, bolt 13, nut 14.
Embodiment
Like Fig. 1 to Fig. 4; The present invention relates to a kind of loosening pick-up unit of bolt and nut securing member, it comprises nut installing plate 1 and bolt installing plate 2, fixes through connecting link 3 between said nut installing plate 1 and the bolt installing plate 2; Wherein nut installing plate 1 is provided with driving gear 4 and follower gear 5; Said follower gear 5 is meshed with driving gear 4, has nut bore 4.1 on the said driving gear 4, has bolt hole 2.1 on the said bolt installing plate 2.
Said nut installing plate 1 has a sensor mounting groove 6 below follower gear 5; Be placed with sensor 7 in this sensor mounting groove 6; Said follower gear 5 is coated with layer of metal coating 8 in certain zone on its surface; The surface area of this metallic coating 8 is not less than the surface area of sensor mounting groove 6, and metallic coating 8 and then follower gear 5 can shelter from the signal that sensor 7 sends from the top fully during transmission together.
Said follower gear 5 has lacked several teeth on its circumference; Form follower gear breach 9, the arc length that this follower gear breach 9 forwards the gearing mesh place to equals metallic coating 8 regions and forwards the arc length when covering sensor mounting groove 6 fully to, when follower gear breach 9 forwards to driving gear 4 contacted positions; Will with driving gear 4 throw out of gear; After preventing how metallic coating 8 from changeing, the signal of sensor 7 is sent once more, causing occurring securing member does not have loosening erroneous judgement.
Also be fixed with a cover plate 10 on the said nut installing plate 1; Be used to protect driving gear 4 and follower gear 5; Prevent to be damaged after driving gear 4 and follower gear 5 are exposed to outward; Have circular hole 10.1 on the cover plate 10, said circular hole 10.1, nut bore 4.1 and the bolt hole 2.1 gone up is centered close on the same straight line, and circular hole 10.1 diameters greater than with the diameter of nut bore 4.1.
Also comprise detector 11 in the loosening pick-up unit of this bolt and nut securing member, this detector 11 is used for the signal that receiving sensor 7 sends.
The securing member that loosening pick-up unit detected of this bolt and nut securing member is made up of steel plate 12, bolt 13 and nut 14; Said steel plate 12 is clipped between nut installing plate 1 and the bolt installing plate 2; Said bolt 13 passes steel plate, and about in the of 12 two ends; Bolt 13 tops are with nut 14, and the bolt hole 2.1 on the bolt installing plate 2 is passed in the bottom of said bolt 13, and nut 14 passes nut bore 4.1 and circular hole 10.1.
The loosening pick-up unit of this bolt and nut securing member is directly installed on the securing member; The signal that sends through detector 11 read sensors 7; When becoming flexible appears in securing member, when making nut 14 occur rotating, just can be with driving gear 4 to rotate; Thereby driving the follower gear 5 that is engaged with rotates; When metallic coating 5 regions on follower gear 5 surfaces forward the top of sensor mounting groove 6 to, just can block the signal that sensor 7 sends to detector 11, occur loosening thereby just can detect securing member.At this moment, follower gear breach 9 just can forward the engagement place with driving gear 4 to.
And it is bigger to work as the securing member aeration level; When driving gear 4 is rotated further,, make follower gear 5 and driving gear 4 throw out of gear because follower gear breach 9 is in the engagement place; Let metallic coating 8 be in the top of sensor mounting groove 6 always; After avoiding metallic coating 8 how to change, the signal of sensor 7 is received once more by detector 11, causing occurring securing member does not have loosening erroneous judgement.
Claims (3)
1. the loosening pick-up unit of a bolt and nut securing member; It is characterized in that: it comprises nut installing plate (1), bolt installing plate (2) and detector (11); Fix through connecting link (3) between said nut installing plate (1) and the bolt installing plate (2); Wherein nut installing plate (1) is provided with driving gear (4) and follower gear (5), and said follower gear (5) is meshed with driving gear (4), has nut bore (4.1) on the said driving gear (4); Have bolt hole (2.1) on the said bolt installing plate (2), the upper-lower position of said nut bore (4.1) and bolt hole (2.1) is relative.
2. said nut installing plate (1) has a sensor mounting groove (6) in the below of follower gear (5); Be placed with sensor (7) in this sensor mounting groove (6); Said follower gear (5) is coated with layer of metal coating (8) in certain zone on its surface, the surface area of this metallic coating (8) is not less than the surface area of sensor mounting groove (6);
The loosening pick-up unit of a kind of bolt and nut securing member according to claim 1; It is characterized in that: said follower gear (5) has lacked several teeth on its circumference; Form follower gear breach (9), the arc length that this follower gear breach (9) forwards the gearing mesh place to equals metallic coating (8) region and forwards the arc length when covering sensor mounting groove (6) fully to.
3. the loosening pick-up unit of a kind of bolt and nut securing member according to claim 1 and 2; It is characterized in that: also be fixed with a cover plate (10) on the said nut installing plate (1); Have circular hole (10.1) on the cover plate (10); Said circular hole (10.1), nut bore (4.1) and the bolt hole (2.1) gone up is centered close on the same straight line, and circular hole (10.1) diameter greater than with the diameter of nut bore (4.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210311363.8A CN102840971B (en) | 2012-08-29 | 2012-08-29 | Looseness detecting device of bolt and nut fastening piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210311363.8A CN102840971B (en) | 2012-08-29 | 2012-08-29 | Looseness detecting device of bolt and nut fastening piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840971A true CN102840971A (en) | 2012-12-26 |
| CN102840971B CN102840971B (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210311363.8A Active CN102840971B (en) | 2012-08-29 | 2012-08-29 | Looseness detecting device of bolt and nut fastening piece |
Country Status (1)
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| CN (1) | CN102840971B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411767A (en) * | 2013-08-18 | 2013-11-27 | 吉林大学 | Mechanical connecting fastener reliability test bed with bi-directional loading simulation function |
| CN105352712A (en) * | 2015-11-09 | 2016-02-24 | 广西大学 | Device for rapidly checking bolt looseness |
| CN107063548A (en) * | 2017-04-07 | 2017-08-18 | 江苏固德建筑机械有限公司 | A kind of fastened by screw detection means |
| CN108181659A (en) * | 2018-02-11 | 2018-06-19 | 上海振华重工(集团)股份有限公司 | A kind of loosening detection device and its detection method for fastener |
| CN109029954A (en) * | 2018-08-08 | 2018-12-18 | 深圳市永奥图电子有限公司 | A kind of loosened screw warning device and system |
| CN110006381A (en) * | 2019-03-25 | 2019-07-12 | 四川国软科技发展有限责任公司 | High-speed rail bolt looseness detection system and method based on RFID and displacement sensor |
| CN110231158A (en) * | 2019-07-05 | 2019-09-13 | 江苏轶一电力科技有限公司 | A kind of steel tower bolt looseness monitoring device |
| CN110570472A (en) * | 2018-06-05 | 2019-12-13 | 成都精工华耀科技有限公司 | Fastener loosening detection method based on artificial marking image |
| CN110910350A (en) * | 2019-10-30 | 2020-03-24 | 同济大学 | Nut loosening detection method for wind power tower cylinder |
| CN111323843A (en) * | 2020-03-17 | 2020-06-23 | 中煤科工集团重庆研究院有限公司 | Device for detecting fastening state of mining explosion-proof shell fastener |
| CN111750200A (en) * | 2020-07-01 | 2020-10-09 | 中国航发沈阳发动机研究所 | Novel intelligent clamp of aeroengine with damping and locking function of taking off |
| CN112377506A (en) * | 2020-11-12 | 2021-02-19 | 重庆大学 | Application method of intelligent nut suite |
| CN112392830A (en) * | 2020-11-12 | 2021-02-23 | 罗洋 | High-precision anti-loosening early warning intelligent nut and intelligent threaded fastener |
| CN115402373A (en) * | 2022-09-27 | 2022-11-29 | 北京索云科技股份有限公司 | Device and system for detecting looseness of fastener |
| CN116358847A (en) * | 2023-03-03 | 2023-06-30 | 宜轩轨道交通配件(苏州)有限公司 | Nut anti-loosening test equipment |
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| CN202793773U (en) * | 2012-08-29 | 2013-03-13 | 江苏法尔胜泓昇集团有限公司 | Looseness detecting device of bolt and nut fastener |
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| US5501107A (en) * | 1993-02-23 | 1996-03-26 | Snyder; Robert F. | Torque tool |
| CN2895850Y (en) * | 2006-03-03 | 2007-05-02 | 高勇 | Screw-nut loose indicator |
| CN201867927U (en) * | 2010-02-04 | 2011-06-15 | 吴阳龙 | Screw alarm |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411767A (en) * | 2013-08-18 | 2013-11-27 | 吉林大学 | Mechanical connecting fastener reliability test bed with bi-directional loading simulation function |
| CN103411767B (en) * | 2013-08-18 | 2015-07-22 | 吉林大学 | Mechanical connecting fastener reliability test bed with bi-directional loading simulation function |
| CN105352712A (en) * | 2015-11-09 | 2016-02-24 | 广西大学 | Device for rapidly checking bolt looseness |
| CN107063548A (en) * | 2017-04-07 | 2017-08-18 | 江苏固德建筑机械有限公司 | A kind of fastened by screw detection means |
| CN107063548B (en) * | 2017-04-07 | 2023-03-03 | 江苏固德建筑机械有限公司 | Screw fastening detection device |
| CN108181659A (en) * | 2018-02-11 | 2018-06-19 | 上海振华重工(集团)股份有限公司 | A kind of loosening detection device and its detection method for fastener |
| CN108181659B (en) * | 2018-02-11 | 2024-03-15 | 上海振华重工(集团)股份有限公司 | Loosening detection device for fastener and detection method thereof |
| CN110570472A (en) * | 2018-06-05 | 2019-12-13 | 成都精工华耀科技有限公司 | Fastener loosening detection method based on artificial marking image |
| CN109029954A (en) * | 2018-08-08 | 2018-12-18 | 深圳市永奥图电子有限公司 | A kind of loosened screw warning device and system |
| CN109029954B (en) * | 2018-08-08 | 2024-03-08 | 深圳市永奥图电子有限公司 | Screw loosening alarm device and system |
| CN110006381A (en) * | 2019-03-25 | 2019-07-12 | 四川国软科技发展有限责任公司 | High-speed rail bolt looseness detection system and method based on RFID and displacement sensor |
| CN110006381B (en) * | 2019-03-25 | 2024-05-28 | 四川国软科技集团有限公司 | High-speed rail bolt loosening detection system and method based on RFID and displacement sensor |
| CN110231158A (en) * | 2019-07-05 | 2019-09-13 | 江苏轶一电力科技有限公司 | A kind of steel tower bolt looseness monitoring device |
| CN110231158B (en) * | 2019-07-05 | 2020-09-25 | 江苏轶一电力科技有限公司 | Iron tower bolt looseness monitoring devices |
| CN110910350A (en) * | 2019-10-30 | 2020-03-24 | 同济大学 | Nut loosening detection method for wind power tower cylinder |
| CN110910350B (en) * | 2019-10-30 | 2022-06-14 | 同济大学 | Nut loosening detection method for wind power tower cylinder |
| CN111323843A (en) * | 2020-03-17 | 2020-06-23 | 中煤科工集团重庆研究院有限公司 | Device for detecting fastening state of mining explosion-proof shell fastener |
| CN111323843B (en) * | 2020-03-17 | 2022-07-19 | 中煤科工集团重庆研究院有限公司 | Device for detecting fastening state of mining explosion-proof shell fastener |
| CN111750200A (en) * | 2020-07-01 | 2020-10-09 | 中国航发沈阳发动机研究所 | Novel intelligent clamp of aeroengine with damping and locking function of taking off |
| CN111750200B (en) * | 2020-07-01 | 2021-10-22 | 中国航发沈阳发动机研究所 | Aeroengine intelligence clamp with damping and locking function of taking off |
| CN112392830A (en) * | 2020-11-12 | 2021-02-23 | 罗洋 | High-precision anti-loosening early warning intelligent nut and intelligent threaded fastener |
| CN112377506A (en) * | 2020-11-12 | 2021-02-19 | 重庆大学 | Application method of intelligent nut suite |
| CN115402373A (en) * | 2022-09-27 | 2022-11-29 | 北京索云科技股份有限公司 | Device and system for detecting looseness of fastener |
| CN116358847A (en) * | 2023-03-03 | 2023-06-30 | 宜轩轨道交通配件(苏州)有限公司 | Nut anti-loosening test equipment |
| CN116358847B (en) * | 2023-03-03 | 2024-03-26 | 宜轩轨道交通配件(苏州)有限公司 | Nut anti-loosening test equipment |
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| CN102840971B (en) | 2014-10-29 |
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Address after: 214434 No. 155, Chengjiang Middle Road, Jiangyin Development Zone, Wuxi City, Jiangsu Province Patentee after: FASTEN GROUP Co.,Ltd. Address before: 214434 No. 155, Chengjiang Middle Road, Jiangyin Development Zone, Wuxi City, Jiangsu Province Patentee before: FASTEN GROUP Co.,Ltd. |
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Effective date of registration: 20211103 Address after: 214400 No.278 Chengjiang Middle Road, high tech Zone, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: JIANGSU FASTEN OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 214434 No. 155, Chengjiang Middle Road, Jiangyin Development Zone, Wuxi City, Jiangsu Province Patentee before: FASTEN GROUP Co.,Ltd. |