CN102706548A - Bolt or nut loosening monitoring device - Google Patents
Bolt or nut loosening monitoring device Download PDFInfo
- Publication number
- CN102706548A CN102706548A CN2012101721889A CN201210172188A CN102706548A CN 102706548 A CN102706548 A CN 102706548A CN 2012101721889 A CN2012101721889 A CN 2012101721889A CN 201210172188 A CN201210172188 A CN 201210172188A CN 102706548 A CN102706548 A CN 102706548A
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- bolt
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- loosening
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Abstract
The invention discloses a bolt or nut loosening monitoring device, which comprises a collection module for collecting a loosening signal of a bolt or a nut, a main control module which is connected with the collection module and is used for processing the signal collected by the collection module and judging whether the bolt or the nut is loosened or not according to the collected signal, and a target module which is used for issuing an alarm according to the judgment result of the main control module, and the bolt or nut loosening monitoring device is characterized by also comprising a sensing module which is arranged on a monitored part of the bolt or the nut, wherein the sensing module comprises a deformation sensor (1), the deformation sensor (1) is contacted with the bolt or the nut through an ejector pin (2), and the deformation sensor (1) is connected with the collection module through a signal wire; and when the bolt or the nut is loosened, the bolt or the nut makes the ejector pin (2) move towards the deformation sensor (1), and the loosening deformation quantity of the bolt or the nut is transmitted by the deformation sensor (1) to the collection module through the signal wire. Through the structure by acquiring the deformation signal of the sensor through the ejector pin and the sensor or through the recognition means of the collection module, the purpose for monitoring the loosening of the bolt or the nut is realized.
Description
Technical field
The invention belongs to the hidden danger monitoring technical field, be specifically related to bolt or nut loosening supervising device.
Background technology
Various bolts and nut thereof are essential and play the parts of effect of crucial importance in industries such as industrial machinery, communications and transportation, mining, the energy and power equipments.But, since the vibrations that mechanical motion brings, metal stresses, bolt or nut loosening that factors such as external force heavy burden are brought are troubling problems always, become flexible in case bolt or nut produce, what take place promptly is the fracture of bolt thereupon.
For these years, do not produce looseningly after people attempt to make bolt through diverse ways when erection bolt, but in fact, people can't find a solution that can be applicable to various bolts or nut and can prevent bolt or nut loosening fully so far.Usually, judge bolt or nut whether loosening be through 1. periodical inspection inspection 2. on-the-spot range estimations (altitude plant then needs by telescope in this way).Bolt or nut loosening and the timely prefered method of fastening industry-by-industry are seemingly in addition found in wherein periodical inspection inspection.The present invention therefore.
Summary of the invention
The object of the invention is to provide a kind of bolt or nut loosening supervising device, has solved in the prior art that bolt or nut be whether loosening to need manual regular walkaround inspection or on-the-spot range estimation, causes avoiding effectively the problems such as generation of mishap.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of bolt or nut loosening supervising device; Comprise the acquisition module of gathering bolt or nut loosening signal, connect that acquisition module is handled the signal of acquisition module collection and according to the signal of gathering to bolt or the nut whether loosening main control module of judging and the object module of reporting to the police according to the master control module judges result; It is characterized in that said device also comprises the sensing module that is arranged on monitored bolt or the nut; Said sensing module comprises changing sensor; Said changing sensor contacts with bolt or nut through thimble, and said changing sensor is connected with acquisition module through signal wire; When bolt or nut loosening, bolt or nut make thimble move to changing sensor, and said changing sensor sends to acquisition module with the deformation quantity of bolt or nut loosening through signal wire.
Preferably, said changing sensor is built-in sensor, said changing sensor arranged outside over cap, said over cap with fixed by the object of bolted.
Preferably, said sensing module also is provided with inner cap, covers in said the spacing hole that supplies thimble to pass is set.
Preferably, be provided with the spacing spring steel plate in two ends between said thimble and changing sensor, the through hole that cooperates with thimble is set on the said spring steel plate.
Preferably, said thimble comprises the contact site that contacts with bolt or nut, cooperates spacing portion of expanding and spacing ball head in through hole with inner cap.
Preferably, said minimum outer diameter of expanding portion is greater than the maximum inner diameter of spacing hole; The minimum outer diameter of said contact site is less than the maximum inner diameter of spacing hole.
Preferably, between said contact site and spacing hole spring can be set.
Gather in the technical scheme of the present invention bolt or nut loosening signal acquisition module, connect that acquisition module is handled the signal of acquisition module collection and according to the signal of gathering to bolt or the nut loosening main control module of judging and can adopt module commonly used in the prior art whether according to the object module that the master control module judges result reports to the police.Said acquisition module is connected with sensing module, the bolt or the nut loosening information translation of sensing module collection is become electronic data, and electronic data is sent to main control module; Said main control module is used for handling to acquisition module transmission acquisition instructions and to the electronic data that acquisition module provides, according to the result notification object module of electronic data processing.Be connected communication or line carrier communication through twireless radio-frequency communication or straight line between said acquisition module and the main control module.
Have several main control modules in the said system, when certain main control module was not worked, near other main control module being in carried out active agency.Said object module is selected from mobile phone, computing machine and CCC, can communicate through WIFI, data radio station, satellite communication network between said main control module and the object module.
Acquisition module is the electronic installation of making according to the characteristic of sensing module, and the ultra-weak electronic signal that it sends sensing module goes to disturb, amplifies, gathers, changes and judges, and through radio frequency or wired passage judged result passed to main control module.Main control module in time is transmitted to object module according to the acquisition module alarm condition that receives, and reaches the purpose of timely warning.Object module is informed the state of on-the-spot bolt of the relevant personnel or nut with the accessible mode of the mankind, accomplishes the purpose that prevents trouble before it happens.
The invention provides a kind of device that bolt or nut state are monitored in real time of being used for; In case monitored bolt or nut produce loosening; Be installed in by the sensing module on the object of bolted, acquisition module can through with main control module and object module between communicate by letter; The state of bolt or nut loosening is sent warning rapidly, make by the object of bolted and can be maintained in time, thereby avoid the generation of major accident.The present invention adopts accurate sensing technology, Signal Collection Technology, telecommunication technique that flow of metal, bolt or the nut loosening of monitoring site are implemented monitoring and warning, reaches the order ground that prevents and avoid major accident.
With respect to scheme of the prior art, advantage of the present invention is:
1. sensor of the present invention is built-in, is installed in the overcoat with protection.And prior art sensor unprotect is very easily damaged.Sensor of the present invention is not afraid of collision, vibration, humidity, corrosive gas and liquid.And prior art sensor cisco unity malfunction under vibration, humidity, corrosive gas and liquid, collision working environment.
2, supervisory system of the present invention is installed simply, is prone to row, is fit to industrialization promotion.The prior art supervisory system is installed difficult, the industrializing implementation difficulty.The multiple communication mode of each module of the present invention is versatile and flexible: twireless radio-frequency communication, straight line connect communication, line carrier communication; And prior art can only adopt wireless mode or straight line to connect communication mode.Line carrier communication of the present invention is the direct application of power line carrier, PLC technology on special line, and antijamming capability is powerful, has been particularly suitable for strongly disturbing rugged surroundings and has used; And prior art straight line connected mode poor anti jamming capability, cisco unity malfunction under mechanicalness noise and electronic interferences work condition environment.The wiring of line carrier communication of the present invention is branch arbitrarily, and communication distance is far away.And prior art straight line connected mode can not have branch when wiring, and is strict to cable.Diversity communication mode of the present invention is like mobile network (GPRS or SMS), WIFI, data radio station, satellite communication; The prior art communication mode is single.
3, main control module of the present invention has the active agency function: certain main control module in being in the same area breaks down and can't upload the warning of its acquisition module of having jurisdiction over the time; Normal main control module can replace the fault main control module that alerting signal is uploaded automatically, has improved the robustness of system greatly.Prior art does not possess this function.Power supply mode variation of the present invention is like direct current, accumulator, sun power; And prior art is single.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the principle schematic of embodiment of the invention bolt or nut loosening supervising device.
The structural representation of Fig. 2 embodiment of the invention bolt or nut loosening supervising device sensing module.
Fig. 3 is the A place enlarged drawing of Fig. 2.
Wherein 1 is changing sensor; 2 is thimble; 3 is over cap; 4 is inner cap; 5 is spring steel plate; 6 is spring; 7 is signal wire; 21 is contact site; 22 are the portion of expanding; 23 is ball head; 41 is spacing hole; 51 is through hole.
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of particular user or object, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment
Like Fig. 1 ~ shown in Figure 3, this bolt or nut loosening monitoring alarm device are made up of sensing module, acquisition module, main control module, object module.Acquisition module is responsible for gathering bolt or nut loosening signal; Main control module is responsible for connecting that acquisition module is handled the signal of acquisition module collection and judge bolt or nut be whether loosening according to the signal of gathering; Object module is responsible for reporting to the police according to the master control module judges result; Sensing module is arranged on bolt or the nut, and the bolt or the nut loosening situation at real-time monitoring position to be monitored is provided.
Below specify:
As shown in Figures 2 and 3, said sensing module comprises changing sensor 1, inner cap 4, and said changing sensor 1 contacts with bolt or nut through thimble 2, and said changing sensor 1 is connected with acquisition module through signal wire; When bolt or nut loosening, bolt or nut make thimble 2 move to changing sensor 1, and said changing sensor 1 sends to acquisition module with the deformation quantity of bolt or nut loosening through signal wire 7.Said changing sensor 1 is built-in sensor, said changing sensor 1 arranged outside over cap 3.Cover in said the spacing hole 41 that supplies thimble to pass is set.1 of said thimble 2 and changing sensor are provided with the spacing spring steel plate in two ends 5, and the through hole 51 that cooperates with thimble is set on the said spring steel plate 5.Said thimble 2 comprises the contact site 21 that contacts with bolt or nut, cooperates spacing portion of expanding 22 and spacing ball head 23 in through hole 51 with inner cap.Said minimum outer diameter of expanding portion 22 is greater than the maximum inner diameter of spacing hole 41; The minimum outer diameter of said contact site 21 is less than the maximum inner diameter of spacing hole 41.41 of said contact site 21 and spacing holes are provided with spring 6.Sensing module is installed on position to be monitored, is used for monitoring in real time the bolt or the nut loosening state at position to be monitored and converts thereof into electronic data being sent to acquisition module.A representes sensing module is connected with acquisition module through lead among Fig. 1, and the electronic data that sensing module is exported is sent to acquisition module.
Said acquisition module is used to receive the electronic data that sensing module transmits and the software program of setting according to acquisition module carries out data analysis to electronic data, sends corresponding monitor data and signal to main control module then.B representes real-time Communication for Power among Fig. 1.Acquisition module with the communication mode of the electronic data of main control module can be: twireless radio-frequency communication, straight line are connected communication, line carrier communication.
Said main control module is used to manage the monitor data that all acquisition modules, receiving target module send and sends acquisition module to, receives the electronic data that acquisition module sends and send object module to.C representes telecommunicatio network among Fig. 1, is used for the communication means between object module and the main control module, and its method can be: working forms such as mobile network (GPRS or SMS), Wi-Fi, data radio station, satellite communication.
Said object module is used to manage all main control modules and acquisition module, issues monitor data and configuration information, warning message, record and management and sends alerting signal to mobile phone, computing machine and CCC.
In the present embodiment in the sensing module contact site of thimble closely offset with monitored bolt or nut and contact, as producing displacement behind bolt or the nut loosening, thimble is ejected, its thimble other end will make sensor produce flexural deformation.Its physical characteristics changed after sensor occured bending and deformation.Because sensor and acquisition module link through signal wire; Therefore the related circuit in the acquisition module has just constituted a stable circuit state with sensor; It is the electrical relation of relative equilibrium; When sensor deforms, because sensor sends the signal of acquisition module to variation has taken place, impelled the acquisition module circuit to be changed to from an aforementioned stable circuit state and make a circuit state, just aforesaid electric relative equilibrium relation is broken; The electric signal that sensor deformation sends acquisition module more greatly to is also big more with regard to changing, and therefore acquisition module detects the loosening and loosening relative extent of bolt or nut.After bolt or nut screwing clamping recover normal condition; Thimble makes at spring or spring steel plate or other and recovers the normal position under its external force effect that resets; The deformation of sensor is eliminated; Sensor and acquisition module come back to original electric relatively balance, and acquisition module identification bolt or nut state are normal.Thereby reach like this through adopting this thimble and sensor to obtain the structure of sensor deformation signal or the means of discerning with acquisition module, reach purpose bolt or nut loosening enforcement monitoring.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (7)
1. bolt or nut loosening supervising device; Comprise the acquisition module of gathering bolt or nut loosening signal, connect that acquisition module is handled the signal of acquisition module collection and according to the signal of gathering to bolt or the nut whether loosening main control module of judging and the object module of reporting to the police according to the master control module judges result; It is characterized in that said device also comprises the sensing module that is arranged on monitored bolt or the nut; Said sensing module comprises changing sensor (1); Said changing sensor (1) contacts with bolt or nut through thimble (2), and said changing sensor (1) is connected with acquisition module through signal wire; When bolt or nut loosening, bolt or nut make thimble (2) move to changing sensor (1), and said changing sensor (1) is sent to acquisition module with the deformation quantity of bolt or nut loosening through signal wire.
2. bolt according to claim 1 or nut loosening supervising device; It is characterized in that said changing sensor (1) is built-in sensor; Said changing sensor (1) arranged outside over cap (3), said over cap with fixed by the object of bolted.
3. bolt according to claim 1 or nut loosening supervising device is characterized in that said sensing module also is provided with inner cap (4), cover in said the spacing hole (41) that supplies thimble to pass is set.
4. bolt according to claim 3 or nut loosening supervising device; It is characterized in that being provided with the spacing spring steel plates in two ends (5) between said thimble (2) and changing sensor (1), said spring steel plate (5) is gone up the through hole (51) that cooperates with thimble is set.
5. bolt according to claim 4 or nut loosening supervising device is characterized in that said thimble (2) comprises the contact site (21) that contacts with bolt or nut, cooperates spacing portion of expanding (22) and spacing ball head (23) in through hole (51) with inner cap.
6. bolt according to claim 5 or nut loosening supervising device is characterized in that the maximum inner diameter of said minimum outer diameter of expanding portion (22) greater than spacing hole (41); The minimum outer diameter of said contact site (21) is less than the maximum inner diameter of spacing hole (41).
7. bolt according to claim 5 or nut loosening supervising device is characterized in that between said contact site (21) and spacing hole (41) spring (6) being set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210172188.9A CN102706548B (en) | 2012-05-30 | 2012-05-30 | Bolt or nut loosening monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210172188.9A CN102706548B (en) | 2012-05-30 | 2012-05-30 | Bolt or nut loosening monitoring device |
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| Publication Number | Publication Date |
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| CN102706548A true CN102706548A (en) | 2012-10-03 |
| CN102706548B CN102706548B (en) | 2014-08-20 |
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| CN201210172188.9A Expired - Fee Related CN102706548B (en) | 2012-05-30 | 2012-05-30 | Bolt or nut loosening monitoring device |
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Cited By (18)
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| CN103198593A (en) * | 2013-04-16 | 2013-07-10 | 中国石油集团川庆钻探工程有限公司川东钻探公司 | Top drive guide rail pin breaking off and exiting alarming system |
| CN103411767A (en) * | 2013-08-18 | 2013-11-27 | 吉林大学 | Mechanical connecting fastener reliability test bed with bi-directional loading simulation function |
| CN104833298A (en) * | 2014-02-12 | 2015-08-12 | 鸿发国际科技股份有限公司 | Paper thickness detection device and paper thickness detection method thereof |
| CN105258936A (en) * | 2015-11-18 | 2016-01-20 | 森特士兴集团股份有限公司 | Intelligent roof fastener looseness detection and management system and detection and management method thereof |
| CN105352712A (en) * | 2015-11-09 | 2016-02-24 | 广西大学 | Device for rapidly checking bolt looseness |
| CN105547333A (en) * | 2016-01-25 | 2016-05-04 | 刘连江 | Bolt loosening and/or breaking real-time warning device |
| CN108205094A (en) * | 2016-12-16 | 2018-06-26 | 中国石油化工股份有限公司 | A kind of earthing state monitoring apparatus |
| CN108548516A (en) * | 2018-06-28 | 2018-09-18 | 国电联合动力技术有限公司 | A kind of high-strength bolt loosens intelligent monitoring device, method and its generating set |
| CN109147978A (en) * | 2018-06-28 | 2019-01-04 | 广东核电合营有限公司 | A kind of circuit loose part monitoring device and its method for nuclear power unit |
| CN110022129A (en) * | 2019-04-03 | 2019-07-16 | 望江县同心农业专业合作社 | A kind of farmland laying intelligent solar electricity generation system |
| CN110307126A (en) * | 2019-06-20 | 2019-10-08 | 南京华盾电力信息安全测评有限公司 | Wind-driven generator fault collection system and method |
| CN110389026A (en) * | 2019-07-25 | 2019-10-29 | 沈阳智航智能系统有限公司 | The system that bolt looseness is monitored |
| CN110579983A (en) * | 2016-07-05 | 2019-12-17 | 中国气动工业股份有限公司 | monitoring system and method for bolt locking operation |
| CN110827516A (en) * | 2019-10-29 | 2020-02-21 | 广州安拾科技有限公司 | Nut loosening alarm system and method based on Internet of things cloud and application thereof |
| 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 |
| CN111829768A (en) * | 2020-07-28 | 2020-10-27 | 哈尔滨工业大学 | Bolt looseness sensing device based on piezoelectric traction effect |
| CN114441154A (en) * | 2022-01-11 | 2022-05-06 | 昆山市交通工程发展中心 | Bolt tightness monitoring device |
| CN116482437A (en) * | 2023-04-26 | 2023-07-25 | 南通大学 | Breakpoint detection device based on bidirectional detection method and application method thereof |
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| CN103198593A (en) * | 2013-04-16 | 2013-07-10 | 中国石油集团川庆钻探工程有限公司川东钻探公司 | Top drive guide rail pin breaking off and exiting alarming system |
| 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 |
| CN104833298A (en) * | 2014-02-12 | 2015-08-12 | 鸿发国际科技股份有限公司 | Paper thickness detection device and paper thickness detection method thereof |
| CN105352712A (en) * | 2015-11-09 | 2016-02-24 | 广西大学 | Device for rapidly checking bolt looseness |
| CN105258936A (en) * | 2015-11-18 | 2016-01-20 | 森特士兴集团股份有限公司 | Intelligent roof fastener looseness detection and management system and detection and management method thereof |
| CN105547333A (en) * | 2016-01-25 | 2016-05-04 | 刘连江 | Bolt loosening and/or breaking real-time warning device |
| CN105547333B (en) * | 2016-01-25 | 2018-05-11 | 刘连江 | Bolt looseness and/or the real-time device of warning of fracture |
| CN110579983A (en) * | 2016-07-05 | 2019-12-17 | 中国气动工业股份有限公司 | monitoring system and method for bolt locking operation |
| CN108205094A (en) * | 2016-12-16 | 2018-06-26 | 中国石油化工股份有限公司 | A kind of earthing state monitoring apparatus |
| CN109147978B (en) * | 2018-06-28 | 2020-11-24 | 广东核电合营有限公司 | Loop loose part monitoring device and method for nuclear power unit |
| CN109147978A (en) * | 2018-06-28 | 2019-01-04 | 广东核电合营有限公司 | A kind of circuit loose part monitoring device and its method for nuclear power unit |
| CN108548516A (en) * | 2018-06-28 | 2018-09-18 | 国电联合动力技术有限公司 | A kind of high-strength bolt loosens intelligent monitoring device, method and its generating set |
| CN110022129A (en) * | 2019-04-03 | 2019-07-16 | 望江县同心农业专业合作社 | A kind of farmland laying intelligent solar electricity generation system |
| CN110307126A (en) * | 2019-06-20 | 2019-10-08 | 南京华盾电力信息安全测评有限公司 | Wind-driven generator fault collection system and method |
| CN110389026A (en) * | 2019-07-25 | 2019-10-29 | 沈阳智航智能系统有限公司 | The system that bolt looseness is monitored |
| CN110827516A (en) * | 2019-10-29 | 2020-02-21 | 广州安拾科技有限公司 | Nut loosening alarm system and method based on Internet of things cloud and application thereof |
| 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 |
| 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 |
| CN111829768A (en) * | 2020-07-28 | 2020-10-27 | 哈尔滨工业大学 | Bolt looseness sensing device based on piezoelectric traction effect |
| CN111829768B (en) * | 2020-07-28 | 2022-07-01 | 哈尔滨工业大学 | Bolt looseness perception device based on piezoelectric traction effect |
| CN114441154A (en) * | 2022-01-11 | 2022-05-06 | 昆山市交通工程发展中心 | Bolt tightness monitoring device |
| CN116482437A (en) * | 2023-04-26 | 2023-07-25 | 南通大学 | Breakpoint detection device based on bidirectional detection method and application method thereof |
| CN116482437B (en) * | 2023-04-26 | 2023-10-31 | 南通大学 | Breakpoint detection device based on bidirectional detection method and application method thereof |
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| CN102706548B (en) | 2014-08-20 |
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