CN203705108U - Non-contact screw-detecting device - Google Patents
Non-contact screw-detecting device Download PDFInfo
- Publication number
- CN203705108U CN203705108U CN201320390418.9U CN201320390418U CN203705108U CN 203705108 U CN203705108 U CN 203705108U CN 201320390418 U CN201320390418 U CN 201320390418U CN 203705108 U CN203705108 U CN 203705108U
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- China
- Prior art keywords
- pressure
- torsion
- detection device
- contactless
- stress section
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- Expired - Fee Related
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Abstract
The utility model discloses a non-contact screw-detecting device, and the device comprises a stress sheet assembly and read equipment. The stress sheet assembly comprises an MCU processor, a power supply part, a pressure and torsion detecting part, and a wireless communication part. The power supply part carries power supply in a non-contact manner when the read equipment gets close. The pressure and torsion detecting part is used for detecting a pressure and a torsion, which are transmitted to the MCU processor. The MCU process transmits detection results to the read equipment through the wireless communication part. The device provided by the utility model greatly improves the efficiency of detecting the pressures and torsions of screws, bolts and fastening pieces in high-vibration and high-intensity environments, including inner-city rails, railways, automobiles, ships, aerospace, and the like, wherein the screws, the bolts and the fastening pieces need to be detected frequently.
Description
Technical field
The utility model relates to a kind of pick-up unit of screw pressure, relates in particular to a kind of contactless screw detection device.
Background technology
Under city rail, railway, automobile, steamer, the contour vibration of space flight and high-intensity environment, need frequent pressure and the moment of torsion that detects screw and securing member, to prevent the generation of security incident and hidden danger.And the ability that existing screw and securing member all do not carry out monitoring in real time and automatically measure its pressure and moment of torsion, can only by artificial ceaselessly again the mode of fastening each screw detect frequently and maintain.This mode wastes time and energy, and is subject to working environment, space, impact and the restriction of staff's sense of responsibility etc.Once there be careless omission, likely the property to the country and people masses and personal safety constitute a threat to.Therefore the pick-up unit of researching and developing a kind of screw pressure just seems very necessary.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of contactless screw detection device, can be by the detection mode of robotization and means, high raising detection speed and monitoring effect, improved production safety greatly when reducing staff's labour intensity.
In order to solve above technical matters, the utility model provides a kind of contactless screw detection device, comprise: a stress section assembly, one fetch equipment, described stress section assembly comprises a MCU processor, one power pack, one pressure and torsion test section and a wireless telecommunications part, described power pack described fetch equipment near time power by cordless, described pressure and torsion test section are detected pressure and moment of torsion, send MCU processor to, MCU processor sends to described fetch equipment by testing result by described wireless telecommunications part.
Preferably, contactless screw detection device of the present utility model, described stress section assembly comprises the antenna and the electronic circuit part that are positioned at outer ring, with the bearing part that is positioned at inner ring, described bearing part mainly comprises described pressure and torsion test section and pressure-bearing elastic material, described pressure and torsion test section comprise one or more pressure transducers and or torsion torque sensor, described torsion torque sensor is stress section or foil gauge, described bearing part Intermediate Gray one via hole.
Further, contactless screw detection device of the present utility model, described bearing part thickness is greater than outer ring part.
Closer, contactless screw detection device of the present utility model, described bearing part or be full bearing structure, or be dispersed structure, or be non-direct bearing structure, or be switching mode structure.
Further, contactless screw detection device of the present utility model, described stress section assembly and a bolt integrate as screw assembly, and described stress section assembly is anchored on the nut lower end of described bolt.
Further, contactless screw detection device of the present utility model, described stress section assembly and a nut integrate as screw assembly, and described stress section assembly is anchored on described nut below.
Further, contactless screw detection device of the present utility model, described stress section assembly is embedded in a bolt inside, is distributed in vertically in bolt column by multiple pressure and/or torsion torque sensor.
Preferably, contactless screw detection device of the present utility model, described power pack comprises inductive coil and energy storage device, described inductive coil is described energy storage device charging by the wireless power transmission of described fetch equipment, described energy storage device includes but not limited to electric capacity and the micro cell of charging repeatedly, and the electric weight of described power pack at least can complete pressure or torsion detects.
Preferably, contactless screw detection device of the present utility model, described wireless telecommunications part includes but not limited to RFID, bluetooth, zigbee and wifi, for the data wireless of detection is transferred to described fetch equipment.
The utlity model has following advantage:
1, automatically carry out intelligent screw and the stress section assembly of pressure and moment of torsion induction and detection by cordless, maintenance person only need to carry portable monitoring instrument and pass through securing member overhead, or use monitoring car to pass through along installation direction, the pressure of all fastening apparatus and moment of torsion will be collected automatically;
2, there are loosening and nonconforming indivedual screws and will be positioned, carry out fastening or replacing in order to follow-up;
3, high raising detection speed and monitoring effect, when reducing staff's labour intensity, greatly improved production safety.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the stress section one-piece construction schematic diagram of the contactless screw detection device of the utility model;
Fig. 2 is the bearing part schematic diagram of legend shown in Fig. 1;
Fig. 3 is the schematic diagram of the contactless screw detection device of the utility model;
Fig. 4 is the screw assembly schematic diagram of the contactless screw detection device of the utility model as independent structure applications;
Fig. 5 is the screw assembly schematic diagram that the contactless screw detection device of the utility model and bolt integrate;
Fig. 6 is the screw assembly schematic diagram that the contactless screw detection device of the utility model and nut integrate;
Fig. 7 is the schematic diagram that the stress section of the contactless screw detection device of the utility model is embedded in bolt inside.
Reference numeral in figure is: 1. antenna and electronic circuit part; 2. bearing part; 3. via hole; 4. pressure-bearing elastic material; 5. pressure transducer/torsion torque sensor; 6. pressure and torsion test section; 7. amplify and contrast circuit; 8. power pack; 9.MCU processor; 10. wireless telecommunications part; 11. bolts; 12. detect stress section or foil gauge or the pressure transducer of power; 13. nuts; 14. pressure transducers/torsion torque sensor.
Embodiment
Automatically the intelligent screw and the stress section assembly that carry out pressure and moment of torsion induction and detection by cordless can solve the problem that background technology is put forward, maintenance person only need to carry portable monitoring instrument through securing member overhead, or use monitoring car to pass through along installation direction, the pressure of all fastening apparatus and moment of torsion will be collected automatically.Occur to become flexible with nonconforming indivedual screws and will be positioned, carry out fastening or change in order to follow-up.By detection mode and the means of such robotization, high raising detection speed and monitoring effect, when reducing staff's labour intensity, greatly improved production security.
Embodiment mono-
Referring to Fig. 1, be the stress section one-piece construction of the contactless screw detection device of the utility model, comprise the antenna and electronic circuit part 1 and the bearing part 2 that are positioned at outer ring.And specifically comprise power supply, pressure detection and wireless telecommunications part; Power pack, charges to the built-in energy storage device of system by contactless charging and power supply technique, and this built-in energy storage device includes but not limited to electric capacity and the micro cell repeatedly charging, and makes the electric weight of electric storage device can complete pressure detection one time.Pressure (snap-in force) detects, and calculates current pressure and torque condition by the pressure proportional of one or more foil gauges or pressure/torsion torque sensor and relevant partial pressure device, and MCU forecasts the data message returning according to the situation of pressure.Wireless data transmitting portion, this part is transferred to fetch equipment by the data that detect by wireless (including but not limited to RFID, bluetooth, zigbee, wifi etc.).
Further as shown in Figure 2, bearing part 2 Main Ingredients and Appearances are pressure/torsion torque sensor 5 and pressure-bearing elastic material 4, and its Intermediate Gray one via hole 3, for holding screw.Pressure/the torsion torque sensor of bearing part 2 can be divided into four kinds of situations: one, full bearing structure, and whole bearing part is all a pressure transducer, fastening pressure has sensor to bear completely.Two, dispersed structure, bearing part is evenly distributed on bearing structure inside by multiple pressure/torsion torque sensors, and fastening pressure is born by pressure/torsion torque sensor completely.Three, non-direct bearing structure, this structure is born pressure by one or more sensors point direction, but mainly pressure is born by the elastic construction on bearing structure, and pressure/torsion torque sensor is only to bear in proportion fastening pressure.Four, switching mode structure embeds one or more pressure switches in load carrier, and in the time that elastic construction pressure overfulfils the quota, pressure switch will change state, judges between right and wrong and reaches the fastening pressure needing according to switching value.
Fig. 3 is the schematic diagram of the contactless screw detection device of the utility model.In the time of screw tightening, pressure/torsion torque sensor 6 detects pressure or the moment of torsion of screw, and reaching MCU processor 9 by amplification and contrast circuit 7, pressure/torque value is sent to fetch equipment (for example hand-held tester device) by MCU processor 9 order wireless telecommunications parts 10.
When charging, the inductive coil of power pack 8 is energy storage device charging by the wireless power transmission of fetch equipment, sends a signal to MCU processor 9 and make to have charged after being full of.
Fig. 4 is the screw assembly schematic diagram of the independent structure applications of conduct of the contactless screw detection device of the utility model, comprises bolt 11, detects the stress section 12 of power, nut 13.
Fig. 5 is the contactless screw detection device of the utility model by the stress section 12 of the power of detection and the screw assembly that bolt 11 integrates, and the stress section 12 that detects power is anchored on the nut lower end of bolt 11 and does as a whole use.
Fig. 6 be the contactless screw detection device of the utility model will detect the stress section 12 of power and the screw assembly that nut 13 integrates, the stress section 12 that detects power is anchored on nut 13 lower ends.
Fig. 7 is the schematic diagram that the stress section 12 of the detection power of the contactless screw detection device of the utility model is embedded in bolt inside, and pressure or torsion torque sensor 14 are distributed in bolt column vertically.
To sum up, there is numerous embodiments pressure and torsion test section: can be 1, the bearing part of screw stress section, can be formed by a pressure transducer or multiple pressure transducer, can be by being embedded in point ratio detected pressures under the environment of elastic material, as shown in Figure 2 under the very large environment of pressure; 2, can be the screw assembly integrating with bolt, as shown in Figure 4; 3, can be the screw assembly integrating with nut, as shown in Figure 5; Can also be the torsion torque sensor such as stress section, foil gauge that is embedded in stressed screw or connecting rod inside, as shown in Figure 7.
Power pack of the present utility model is made up of inductive coil and energy storage device etc., when checkout equipment near time by cordless power and test section pressure and moment of torsion are detected, MCU processor by repeatedly check and correction after testing result by being wirelessly sent to fetch equipment, fetch equipment can be portable read device fetch equipment as small-sized in PDA, mobile phone etc., also can is arranged on inspection vehicle or existing vehicle and be carried out high speed detection by the large-scale fetch equipment of high-power antenna.
As shown from the above technical solution, the utlity model has following beneficial effect:
1, automatically carry out intelligent screw and the stress section assembly of pressure and moment of torsion induction and detection by cordless, maintenance person only need to carry portable monitoring instrument through securing member overhead, or use monitoring car to pass through along installation direction, the pressure of all fastening apparatus and moment of torsion will be collected automatically;
2, there are loosening and nonconforming indivedual screws and will be positioned, carry out fastening or replacing in order to follow-up;
3, high raising detection speed and monitoring effect, when reducing staff's labour intensity, greatly improved production safety.
Claims (9)
1. a contactless screw detection device, it is characterized in that, comprise: a stress section assembly, one fetch equipment, described stress section assembly comprises a MCU processor, one power pack, one pressure and torsion test section, an and wireless telecommunications part, described power pack described fetch equipment near time power by cordless, described pressure and torsion test section are detected pressure and moment of torsion, send described MCU processor to, and described MCU processor sends to described fetch equipment by testing result by described wireless telecommunications part.
2. contactless screw detection device as claimed in claim 1, it is characterized in that, described stress section assembly comprises the antenna and the electronic circuit part that are positioned at outer ring, with the bearing part that is positioned at inner ring, described bearing part mainly comprises described pressure and torsion test section and pressure-bearing elastic material, described pressure and torsion test section comprise one or more pressure transducers and/or torsion torque sensor, and described torsion torque sensor is stress section or foil gauge, described bearing part Intermediate Gray one via hole.
3. contactless screw detection device as claimed in claim 2, is characterized in that, described bearing part thickness is greater than outer ring part.
4. contactless screw detection device as claimed in claim 3, is characterized in that, described bearing part or be full bearing structure, or be dispersed structure, or be non-direct bearing structure, or be switching mode structure.
5. contactless screw detection device as claimed in claim 2, is characterized in that, described stress section assembly and a bolt integrate as screw assembly, and described stress section assembly is anchored on the nut lower end of described bolt.
6. contactless screw detection device as claimed in claim 2, is characterized in that, described stress section assembly and a nut integrate as screw assembly, and described stress section assembly is anchored on described nut below.
7. contactless screw detection device as claimed in claim 2, is characterized in that, described stress section assembly is embedded in a bolt inside, is distributed in vertically in bolt column by multiple pressure and/or torsion torque sensor.
8. contactless screw detection device as claimed in claim 1, it is characterized in that, described power pack comprises inductive coil and energy storage device, described inductive coil is described energy storage device charging by the wireless power transmission of described fetch equipment, described energy storage device includes but not limited to electric capacity and the micro cell of charging repeatedly, and the electric weight of described power pack at least can complete pressure or torsion detects.
9. contactless screw detection device as claimed in claim 1, is characterized in that, described wireless telecommunications part includes but not limited to RFID, bluetooth, zigbee and wifi, for the data wireless of detection is transferred to described fetch equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390418.9U CN203705108U (en) | 2013-07-02 | 2013-07-02 | Non-contact screw-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390418.9U CN203705108U (en) | 2013-07-02 | 2013-07-02 | Non-contact screw-detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705108U true CN203705108U (en) | 2014-07-09 |
Family
ID=51055530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320390418.9U Expired - Fee Related CN203705108U (en) | 2013-07-02 | 2013-07-02 | Non-contact screw-detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI569923B (en) * | 2016-07-05 | 2017-02-11 | 中國氣動工業股份有限公司 | Monitoring system and method for bolting operation |
| CN110954260A (en) * | 2019-11-27 | 2020-04-03 | 同济大学 | Gasket type pressure sensor for detecting bolt pretightening force |
-
2013
- 2013-07-02 CN CN201320390418.9U patent/CN203705108U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI569923B (en) * | 2016-07-05 | 2017-02-11 | 中國氣動工業股份有限公司 | Monitoring system and method for bolting operation |
| CN110954260A (en) * | 2019-11-27 | 2020-04-03 | 同济大学 | Gasket type pressure sensor for detecting bolt pretightening force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |