CN106870538B - With the high iron catenary intelligent bolt and detecting system for loosening detection function - Google Patents
With the high iron catenary intelligent bolt and detecting system for loosening detection function Download PDFInfo
- Publication number
- CN106870538B CN106870538B CN201710091823.3A CN201710091823A CN106870538B CN 106870538 B CN106870538 B CN 106870538B CN 201710091823 A CN201710091823 A CN 201710091823A CN 106870538 B CN106870538 B CN 106870538B
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- China
- Prior art keywords
- bolt
- cap portion
- end cap
- detection function
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 230000005284 excitation Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The present invention provides with the high iron catenary intelligent bolt for loosening detection function, including bolt body and nut, the bolt body includes threaded shank and end cap portion, cavity there are one being set in the end cap portion, micro-circuit board is equipped in the cavity, the micro-circuit board includes at least an IC chip and connects the induction coil, transmitting antenna and two leads of the IC chip；Further include gasket and spring, the spring pocket is set in the threaded shank, and between the end cap portion and gasket, the gasket is equipped with the bump contact towards the end cap portion, two leads stretch out end cap portion by the via in end cap portion, and are separately connected the gasket and connected compcnent.The intelligent bolt of the present invention uses induction coil, IC circuits and small size antenna and micro-circuit board is made, and complexed metal cap realizes the acquisition and wireless transmission for loosening information as antenna.
Description
Technical field
The present invention relates to mechanical detection fields, and in particular to a kind of to have the high iron catenary intelligence spiral shell for loosening detection function
Bolt and detecting system.
Background technology
Bolt is a kind of classical and common connected component, is widely used in machinery field, current high iron catenary is big
Majority connection is realized using bolt.Since bolt-connection is a kind of removable connection, relative to non-disconnectable connection, the probability loosened
It is larger, and the loose or dislocation of bolt can increase accident rate, therefore the contact net bolt of high ferro usually needs to carry out loosening detection.
Current detection mode is two kinds, and one of which is to inspect periodically, and generally annually, inspector needs to climb up contact net,
Closely confirm；Another kind is random detection, i.e., high ferro by when, with infrared video camera shoot bolt, see whether exist
The abnormal temperature difference.
Two kinds of above-mentioned detection modes are all more passive, and especially when inspecting periodically, the mode of detection is more subjective, hold
Missing inspection easily occurs, and climbs up the mode of contact net, greatly reduces the safety of inspector.Therefore need to design a kind of bolt, make
Inspector can conveniently, safely, objectively obtain the pine of bolt when carrying out bolt looseness detection by non-contacting mode
Dynamic state.And it is increasingly mature with microelectric technique and sensing technology, the loosening detection of bolt can by various kinds of sensors into
Row can measure the pressing force between bolts and nuts, and then judge whether bolt loosens for example, by using strain transducer；Or
Using angular displacement sensor, it can determine whether there is relative rotation between bolts and nuts.
Invention content
Present invention solves the technical problem that being to provide a kind of high iron catenary intelligent bolt for having and loosening detection function
And detecting system, to improve detection efficiency and the safety of high iron catenary attachment bolt.
To solve the above-mentioned problems, present invention employs following technical solutions：
With the high iron catenary intelligent bolt for loosening detection function, including bolt body and nut, the bolt body
It including threaded shank and end cap portion, is set in the end cap portion there are one cavity, micro-circuit board is equipped in the cavity, it is described miniature
Circuit board includes an IC chip and connects the induction coil of the IC chip, transmitting antenna and two leads；Further include gasket and bullet
Spring, the spring pocket are set in the threaded shank, and between the end cap portion and gasket, and the gasket is equipped with towards institute
The bump contact in end cap portion is stated, two leads stretch out end cap portion by the via in end cap portion, and are separately connected institute
State gasket and connected compcnent.
Further, insulation sleeve is equipped in the cavity, the insulation sleeve is for being isolated micro-circuit board and end cap portion.
Further, it is additionally provided with a metal cap at the top of the end cap portion, the transmitting antenna on the micro-circuit board connects
Connect the metal cap.
Further, the surface of the gasket and spring is coated with insulated paint.
Further, it generates voltage when the induction coil is activated to power to circuit board, the IC chip acquisition is drawn
The break-make information of line, high level indicate that access, low level indicate that open circuit, the transmitting antenna emit break-make information.
It is described the present invention also provides the detecting system with loosening detection function, including multiple intelligent bolts
Multiple intelligent bolts further include detector for coupling coupled object；The detector includes that micro treatment module and connection are micro-
State display module, signal analysis module, signal receiving module and the electromagnetic excitation circuit of processing module, the electromagnetic excitation
Circuit is used for the induction coil of intelligent bolt into row energization, and the signal receiving module is used to receive the transmitting day of intelligent bolt
The signal of line transmitting, the signal analysis module are used for analyzing processing signal receiving module received signal, the status display
Module is used to show the analysis and processing result of signal analysis module.
Further, the detector is hand-held detectors or small rail car formula detector.
Further, further include remote terminal, the remote terminal is server or handheld terminal；The detector also wraps
Wireless communication module is included, the remote terminal, which receives detection data by detector described in network connection or sends control, to be referred to
It enables.
Beneficial effects of the present invention：Compared with existing high iron catenary bolt, 1) present invention employs induction coil, IC
Micro-circuit board is made in circuit and small size antenna, and complexed metal cap realizes the acquisition and wireless transmission for loosening information as antenna；
2) hollow design of bolt body ensure that the setting of micro-circuit board, the design of via enable gasket contact information to be transferred to
Micro-circuit board, the hollow part of bolt body is nut portion in addition, has substantially no effect on the linking intensity of bolt；3) of the invention
It is not measured using sensor, micro-circuit board is located inside bolt body, external only leaded, avoids contact net forceful electric power
Influence to circuit；4) in non-detection status, IC circuits are passive circuit, not power-consuming, more energy saving；5) the loosening probability of bolt
It is relatively low, compared to the detection mode of traditional close-ups, the number of inspector pole-climbing can be greatly reduced, inspector only needs more
It changes or repairs in the presence of the bolt loosened；6) detection mode of bolt can be that artificial detection or railcar detect automatically, embodiment
More flexibly.
Description of the drawings
Fig. 1 is the structural schematic diagram of the intelligent bolt preferred embodiment of the present invention.
Fig. 2 is the module composition schematic diagram with the detecting system for loosening detection function of the present invention.
Fig. 3 is the composition schematic diagram with the detecting system one embodiment for loosening detection function of the present invention.
Fig. 4 is the composition schematic diagram with another embodiment of the detecting system of loosening detection function of the present invention.
Reference sign：1- bolt bodies；2- micro-circuit boards；3- insulation sleeves；4- metal caps；5- springs；6- nuts；
7- gaskets；8- bump contacts；9- vias.
Specific implementation mode
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are only the feature and advantage further illustrated the present invention, rather than to the claims in the present invention
Limitation.
The present invention provides a kind of high iron catenary intelligent bolts for having and loosening detection function, as shown in Figure 1 comprising
Bolt body 1, nut 6, gasket 7 and spring 5.Wherein, bolt body 1 includes end cap portion and threaded shank, and end cap portion is compared to normal
The bolt of rule is thicker, and by special processing, internal there are the cavitys that one can accommodate micro-circuit board 2.In end cap subordinate portion, deposit
In a via 9, for being pierced by attachment spacers 7 and connected compcnent for the lead on micro-circuit board 2.
Micro-circuit board 2 inside bolt, at least has：One induction coil, an IC chip, a small-sized transmitting day
Line and lead.Induction coil will produce voltage when by coil stimulating, power to micro-circuit board；IC chip is for obtaining
The break-make information of lead, high level indicate that access, low level indicate open circuit；Small size emitting antenna is for sending signal to outside
Reception device；Lead has two, and an attachment spacers 7, another connects the connected compcnent of bolt body end, and is respectively connected to miniature
In the circuit of circuit board.
In order to which micro-circuit board and bolt body are isolated, insulation is provided between micro-circuit board and end cap portion
Set 3, the transducing signal that the wireless signal to completely cut off metal cap may be carried with metal cap.Meanwhile in order to emit more signal
Far, it is provided with metal cap 4 at the top in 1 end cap portion of bolt body, which connects the small-sized transmitting day of micro-circuit board
Line makes transmitting range reach 20 meters.
Preferably, in the present embodiment, insulation sleeve 3, the part in bolt body end cap portion and metal cap 4 are total
When sealing, and sealing to the cavity in end cap portion with upper cover is constituted, sealing mode is non-reversible mode.
On the other hand, spring 5 is sheathed in the threaded shank of bolt body 1, and between end cap portion and gasket 7.Gasket 7
It is equipped with the bump contact 8 towards end cap portion.Bump contact 8 is sensing probe, when it can be contacted with coupled object, two
Lead access indicates that bolt does not loosen；When bolt looseness, for nut 6 toward the threaded shank tip displacement of bolt body 1, spring 5 will
Gasket 7 ejects, and causes bump contact 8 to be detached with coupled object, two lead open circuits, then it represents that bolt looseness needs again
It pre-tightens or replaces.
Preferably, gasket 7 and 5 surface of spring are coated with insulated paint, prevent surface contact conductive, when only bump contact 8 contacts
It is electrically conductive.
Intelligent bolt in above-described embodiment uses induction coil, IC circuits and small size antenna and micro-circuit board is made,
The complexed metal cap part hollow as antenna, the acquisition and wireless transmission of realization loosening information, and bolt body is nut portion
Point, have substantially no effect on the linking intensity of bolt.Meanwhile micro-circuit board is located inside bolt body, and it is external only leaded, it avoids
Influence of the contact net forceful electric power to circuit；In non-detection status, IC circuits are passive circuit, not power-consuming, more energy saving.
The present invention also provides with the detecting system for loosening detection function comprising multiple for coupling coupled object
Intelligent bolt and detector.As shown in Fig. 2, detector includes micro treatment module and connects the status display mould of micro treatment module
Block, signal analysis module, signal receiving module and electromagnetic excitation circuit.Wherein, electromagnetic excitation circuit is used for intelligent bolt
Induction coil into row energization, signal receiving module is used to receive the signal of the transmitting antenna transmitting of intelligent bolt, signal analysis
Module is used for analyzing processing signal receiving module received signal, and state display module is used to show the analysis of signal analysis module
Handling result.
The workflow of said detecting system is：When patrol officer needs the loosening situation to bolt to be detected, adopt
With electromagnetic excitation circuit to the induction coil on bolt internal circuit board into row energization, the principle of the excitation is electromagnetic induction；Sense
It answers coil when being activated, generates voltage, power to micro-circuit board；IC circuits work, IC circuits by lead and gasket,
The loosening information of bolt is obtained, then information will be loosened in a manner of being wirelessly transferred, the signal receiving circuit of detector is transferred to, passes through
The analysis of signal analysis module is crossed, is finally shown result in state display module, patrol officer can then immediately appreciate that and record
Situation is loosened, and the action safeguarded is made whether for situation is loosened.
Above-mentioned detection mode can there are many, including manual detection mode and small rail car detection mode.
It is illustrated in figure 3 man-hour manually hand-held formula detection mode.When carrying out inspection by the way of artificial, first swashed using electromagnetism
It encourages device the loosening situation of the number of bolt and bolt is sent to hand-held into row energization after the work of IC circuits bolt to be detected
Detector, hand-held detector show the feedback signal received on the screen, and the working condition of bolt is very clear in screen, detection
Member can easily obtain the loosening information of bolt.
Fig. 4 is small rail car carrying type detection mode.When carrying out inspection using track detecting trolley type, detector is held
It can be embedded in trolley rail detection system mounted with electromagnetic exciting device.Electromagnetic exciting device mounted is to neighbouring
Bolt emits electromagnetic excitation, and IC circuits obtain the loosening situation of bolt, and emit to trolley, trolley by antenna after work
On can be shown in the bolt looseness status bar or table in display screen equipped with state display, the loosening situation of bolt, examine
Survey person can easily obtain the loosening information of bolt.
Furthermore it is also possible to which wireless communication module is arranged on the detector, and by network connection remote server or hold
Detection data is dealt into server or handheld terminal and is shown or handled by terminal, and receives remote control instruction.
The explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (8)
1. with the high iron catenary intelligent bolt for loosening detection function, including bolt body and nut, the bolt body packet
Include threaded shank and end cap portion, it is characterised in that：It is set in the end cap portion there are one cavity, the cavity is interior to be equipped with microcircuit
Plate, the micro-circuit board include an IC chip and connect the induction coil of the IC chip, transmitting antenna and two leads；Also wrap
Gasket and spring are included, the spring pocket is set in the threaded shank, and between the end cap portion and gasket, on the gasket
Equipped with the bump contact towards the end cap portion, two leads stretch out end cap portion by the via in end cap portion, and
It is separately connected the gasket and connected compcnent.
2. as described in claim 1 have the high iron catenary intelligent bolt for loosening detection function, it is characterised in that：The sky
Intracavitary is equipped with insulation sleeve, and the insulation sleeve is for being isolated micro-circuit board and end cap portion.
3. as claimed in claim 2 have the high iron catenary intelligent bolt for loosening detection function, it is characterised in that：The end
A metal cap is additionally provided at the top of cap portion, the transmitting antenna on the micro-circuit board connects the metal cap.
4. as described in any one of claims 1-3 there is the high iron catenary intelligent bolt for loosening detection function, feature to exist
In：The surface of the gasket and spring is coated with insulated paint.
5. as claimed in claim 4 have the high iron catenary intelligent bolt for loosening detection function, it is characterised in that：The sense
It generates voltage when coil being answered to be activated to power to circuit board, the IC chip obtains the break-make information of lead, and high level indicates
Access, low level indicate that open circuit, the transmitting antenna emit break-make information.
6. with the detecting system for loosening detection function, it is characterised in that：Including multiple as described in any one in claim 1-5
Intelligent bolt, the multiple intelligent bolt further include detector for coupling connected compcnent；The detector includes microprocessor mould
Block and state display module, signal analysis module, signal receiving module and the electromagnetic excitation circuit for connecting micro treatment module, institute
Electromagnetic excitation circuit is stated for the induction coil to intelligent bolt into row energization, the signal receiving module is for receiving intelligent spiral shell
The signal of the transmitting antenna transmitting of bolt, the signal analysis module are used for analyzing processing signal receiving module received signal, institute
State analysis and processing result of the state display module for showing signal analysis module.
7. as claimed in claim 6 have the detecting system for loosening detection function, it is characterised in that：The detector is hand-held
Formula detector or small rail car formula detector.
8. as claimed in claim 7 have the detecting system for loosening detection function, it is characterised in that：Further include remote terminal,
The remote terminal is server or handheld terminal；The detector further includes wireless communication module, and the remote terminal passes through
Detector described in network connection is to receive detection data or send control instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091823.3A CN106870538B (en) | 2017-02-21 | 2017-02-21 | With the high iron catenary intelligent bolt and detecting system for loosening detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091823.3A CN106870538B (en) | 2017-02-21 | 2017-02-21 | With the high iron catenary intelligent bolt and detecting system for loosening detection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870538A CN106870538A (en) | 2017-06-20 |
| CN106870538B true CN106870538B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710091823.3A Active CN106870538B (en) | 2017-02-21 | 2017-02-21 | With the high iron catenary intelligent bolt and detecting system for loosening detection function |
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| CN (1) | CN106870538B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106828B (en) * | 2017-12-14 | 2019-11-15 | 上海工程技术大学 | A kind of rigid contact net is bolted the detection device and detection method of state |
| CN108340149B (en) * | 2018-04-26 | 2020-03-03 | 蔚来汽车有限公司 | Detection system, screwing tool and method |
| CN108759918B (en) * | 2018-05-30 | 2020-10-23 | 中国人民解放军国防科技大学 | Vibration-stress composite sensor for monitoring flange bolt of wind power tower |
| CN108896285B (en) * | 2018-06-08 | 2020-12-25 | 远景能源有限公司 | Fastener monitoring device |
| 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 |
| CN109272092B (en) * | 2018-08-31 | 2022-02-01 | 重庆西南集成电路设计有限责任公司 | UHF RFID tag capable of detecting screw looseness |
| CN109488670A (en) * | 2018-11-28 | 2019-03-19 | 博众精工科技股份有限公司 | Screw fastening with feedback function in place pays mechanism |
| CN109855659A (en) * | 2019-02-14 | 2019-06-07 | 无锡盛景电子科技有限公司 | Subway contact net safety and intelligent monitoring system |
| CN110307126B (en) * | 2019-06-20 | 2020-09-01 | 南京华盾电力信息安全测评有限公司 | Wind driven generator fault acquisition system and method |
| CN110206807A (en) * | 2019-06-27 | 2019-09-06 | 广东铨圣科技有限公司 | A kind of fastener that can acquire signal and examined object |
| CN113479234B (en) * | 2021-08-25 | 2022-07-22 | 嘉兴爱的科技有限公司 | Health state monitoring device and system of track fixing assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0198706A (en) * | 1987-10-08 | 1989-04-17 | Mitsui Eng & Shipbuild Co Ltd | Looseness detector for bolt |
| DE3937881A1 (en) * | 1989-11-14 | 1991-05-16 | Benno Niedermaier | DEVICE AND METHOD FOR CHECKING THE FIXED SEAT OF SCREWS |
| CN103498851A (en) * | 2013-10-22 | 2014-01-08 | 无锡俊达测试技术服务有限公司 | Self-testing connecting piece |
| CN104405750A (en) * | 2014-11-21 | 2015-03-11 | 无锡科思电子科技有限公司 | Intelligent induction type electric screw |
| CN104806617A (en) * | 2015-04-29 | 2015-07-29 | 无锡市崇安区科技创业服务中心 | Intelligent inductive screw |
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2017
- 2017-02-21 CN CN201710091823.3A patent/CN106870538B/en active Active
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