CN102840971B - Looseness detecting device of bolt and nut fastening piece - Google Patents
Looseness detecting device of bolt and nut fastening piece Download PDFInfo
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- CN102840971B CN102840971B CN201210311363.8A CN201210311363A CN102840971B CN 102840971 B CN102840971 B CN 102840971B CN 201210311363 A CN201210311363 A CN 201210311363A CN 102840971 B CN102840971 B CN 102840971B
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- nut
- bolt
- installing plate
- follower gear
- gear
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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, whether occur becoming flexible mainly for detection of bolt and nut securing member.
Background technology
Bolt and nut securing member is easy to use, in daily productive life, is seen everywhere, and is the part of a kind of conventional connection, fixed equipment.And at Large Steel shelf structure track, the track of winding cage etc. of some important places, a large amount of securing members is all installed, but these equipment in use, the long-term effect that is constantly subject to external force can produce vibration, it is loosening that this just inevitably can make bolt and nut securing member produce, and therefore loosening goods and materials and the personal safety of having a strong impact on 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 to manual inspection, adopts spanner one by one securing member to be detected, but because securing member quantity is many, existing manual detection means, need to expend a large amount of man power and materials, have reduced the effective time of production run.And near the essential position that arrives securing member of testing staff, in some high-altitudes, the personnel place that is difficult for arriving more wastes time and energy, and also may occur unsafe condition.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide one can automatically identify securing member loosening, time saving and energy saving, the loosening pick-up unit of the bolt and nut securing member of efficient quick.
The object of the present invention is achieved 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, between described nut installing plate and bolt installing plate, fix by connecting link, wherein on nut installing plate, be provided with driving gear and follower gear, described follower gear is meshed with driving gear, on described driving gear, have nut bore, on described bolt installing plate, have bolt hole, the upper-lower position of described nut bore and bolt hole is relative.
Described nut installing plate has an installation of sensors groove below follower gear, in this installation of sensors groove, be placed with sensor, described follower gear is coated with layer of metal coating in its surperficial certain area, and the surface area of this metallic coating is not less than the surface area of installation of sensors groove;
Described follower gear has lacked several teeth on its circumference, forms follower gear breach, and the arc length that this follower gear breach forwards gear engagement place to equals metallic coating region and forwards the arc length while covering installation of sensors groove completely to.
On described nut installing plate, be also fixed with a cover plate, have circular hole on cover plate, described circular hole, nut bore and bolt hole center are located along the same line, and Circularhole diameter is greater than and 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 by detector read sensor, when securing member occurs loosening, while making nut occur rotating, just can rotate with driving gear, thereby drive the follower gear being engaged with to rotate, in the time that the metallic coating region on follower gear surface forwards the top of installation of sensors groove to, just can block the signal that sensor sends to detector, occur loosening thereby just can detect securing member.So just, can automatically identify securing member and whether occur becoming flexible, save manpower, improve detection efficiency, the danger having there will be while simultaneously having avoided manual detection.
Brief description of the 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 in Fig. 1.
Fig. 3 is the inner structure schematic diagram of Fig. 1 nut installing plate.
Fig. 4 is that the loosening pick-up unit of bolt and nut securing member of the present invention is loaded onto the schematic diagram after securing member.
In 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, installation of sensors 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
As shown in Figure 1 to Figure 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, between described nut installing plate 1 and bolt installing plate 2, fix by connecting link 3, wherein on nut installing plate 1, be provided with driving gear 4 and follower gear 5, described follower gear 5 is meshed with driving gear 4, on described driving gear 4, has nut bore 4.1, on described bolt installing plate 2, has bolt hole 2.1.
Described nut installing plate 1 has an installation of sensors groove 6 below follower gear 5, in this installation of sensors groove 6, be placed with sensor 7, described follower gear 5 is coated with layer of metal coating 8 in its surperficial certain area, the surface area of this metallic coating 8 is not less than the surface area of installation of sensors groove 6, and metallic coating 8 and then follower gear 5 can shelter from from top the signal that sensor 7 sends completely when transmission together.
Described 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 gear engagement place to equals metallic coating 8 regions and forwards the arc length while covering installation of sensors groove 6 completely to, in the time that follower gear breach 9 forwards the position contacting with driving gear 4 to, will throw off and engage with driving gear 4, after preventing how metallic coating 8 from turning, the signal of sensor 7 is sent again, cause the erroneous judgement that occurs that securing member does not become flexible.
On described nut installing plate 1, be also fixed with a cover plate 10; for the protection of driving gear 4 and follower gear 5; preventing that driving gear 4 and follower gear 5 are exposed to after outer is damaged; on cover plate 10, have circular hole 10.1; described circular hole 10.1, nut bore 4.1 and bolt hole 2.1 are centered close on same straight line, and circular hole 10.1 diameters are greater than and the diameter of nut bore 4.1.
In the loosening pick-up unit of this bolt and nut securing member, also comprise detector 11, the signal that this detector 11 sends for receiving sensor 7.
The securing member that the loosening pick-up unit of this bolt and nut securing member detects is made up of steel plate 12, bolt 13 and nut 14, described steel plate 12 is clipped between nut installing plate 1 and bolt installing plate 2, Shang Xia 12 two ends through steel plate for described bolt 13, bolt 13 top covers have nut 14, the bottom of described bolt 13 is through the bolt hole 2.1 on bolt installing plate 2, and nut 14 is through 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 securing member, the signal sending by detector 11 read sensors 7, when securing member occurs loosening, while making nut 14 occur rotating, just can rotate with driving gear 4, thereby drive the follower gear 5 being engaged with to rotate, in the time that metallic coating 5 regions on follower gear 5 surfaces forward the top of installation of sensors groove 6 to, just can block the signal that sensor 7 sends to detector 11, occur loosening thereby just can detect securing member.Now, follower gear breach 9 just can forward to and the engagement place of driving gear 4.
And it is larger to work as securing member aeration level, when driving gear 4 is rotated further, because follower gear breach 9 is in engagement place, make follower gear 5 throw off and engage with driving gear 4, allow metallic coating 8 be in the top of installation of sensors groove 6 always, after avoiding metallic coating 8 how to turn, make the signal of sensor 7 again be detected device 11 and receive, cause the erroneous judgement that occurs that securing member does not become flexible.
Claims (2)
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), between described nut installing plate (1) and bolt installing plate (2), fix by connecting link (3), wherein on nut installing plate (1), be provided with driving gear (4) and follower gear (5), described follower gear (5) is meshed with driving gear (4), on described driving gear (4), have nut bore (4.1), on described bolt installing plate (2), have bolt hole (2.1), described nut bore (4.1) is relative with the upper-lower position of bolt hole (2.1),
Described nut installing plate (1) has an installation of sensors groove (6) in the below of follower gear (5), in this installation of sensors groove (6), be placed with sensor (7), described follower gear (5) is coated with layer of metal coating (8) in its surperficial certain area, and the surface area of this metallic coating (8) is not less than the surface area of installation of sensors groove (6);
Described 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 gear engagement place to equals metallic coating (8) region and forwards the arc length while covering installation of sensors groove (6) completely to.
2. the loosening pick-up unit of a kind of bolt and nut securing member according to claim 1, it is characterized in that: on described nut installing plate (1), be also fixed with a cover plate (10), on cover plate (10), have circular hole (10.1), described circular hole (10.1), nut bore (4.1) and bolt hole (2.1) are centered close on same straight line, and circular hole (10.1) diameter is greater than 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 CN102840971A (en) | 2012-12-26 |
| CN102840971B true 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)
| Country | Link |
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| CN (1) | CN102840971B (en) |
Families Citing this family (15)
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|---|---|---|---|---|
| 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 |
| CN107063548B (en) * | 2017-04-07 | 2023-03-03 | 江苏固德建筑机械有限公司 | Screw fastening detection device |
| 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 |
| 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 |
| 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 |
| CN110910350B (en) * | 2019-10-30 | 2022-06-14 | 同济大学 | Nut loosening detection method for wind power tower cylinder |
| 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 |
| 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 |
| CN112377506B (en) * | 2020-11-12 | 2022-03-29 | 重庆大学 | Application method of intelligent nut suite |
| CN112392830B (en) * | 2020-11-12 | 2023-03-21 | 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 |
| 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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| 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 |
| CN201812361U (en) * | 2010-10-09 | 2011-04-27 | 马人乐 | Bolt anti-loosing classification alarming device |
| CN201867927U (en) * | 2010-02-04 | 2011-06-15 | 吴阳龙 | Screw alarm |
| CN201935772U (en) * | 2010-12-02 | 2011-08-17 | 中国航空综合技术研究所 | Cushion block for measuring test of loose torque of fastener |
| KR20120007356A (en) * | 2010-07-14 | 2012-01-20 | 한국건설기술연구원 | Sensor device for detecting release between bolt and nut |
| 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 |
-
2012
- 2012-08-29 CN CN201210311363.8A patent/CN102840971B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR20120007356A (en) * | 2010-07-14 | 2012-01-20 | 한국건설기술연구원 | Sensor device for detecting release between bolt and nut |
| CN201812361U (en) * | 2010-10-09 | 2011-04-27 | 马人乐 | Bolt anti-loosing classification alarming device |
| CN201935772U (en) * | 2010-12-02 | 2011-08-17 | 中国航空综合技术研究所 | Cushion block for measuring test of loose torque of fastener |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102840971A (en) | 2012-12-26 |
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| C14 | Grant of patent or utility model | ||
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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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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
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. |
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| TR01 | Transfer of patent right |