CN105717125A - Middle trough connection dumbbell pin breaking detection device and method - Google Patents
Middle trough connection dumbbell pin breaking detection device and method Download PDFInfo
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- CN105717125A CN105717125A CN201610061037.4A CN201610061037A CN105717125A CN 105717125 A CN105717125 A CN 105717125A CN 201610061037 A CN201610061037 A CN 201610061037A CN 105717125 A CN105717125 A CN 105717125A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000012806 monitoring device Methods 0.000 claims abstract description 38
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 40
- 230000007547 defect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000003745 diagnosis Methods 0.000 claims description 4
- 230000006855 networking Effects 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 claims description 4
- -1 with receiving Chemical compound 0.000 claims description 2
- 238000005065 mining Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
Abstract
The invention provides a middle trough connection dumbbell pin breaking detection device and method, and belongs to pin breaking detection devices and methods. The device comprises a locking device and a dumbbell pin posture monitoring device, the locking device comprises a locating ring and a fastening ring and is used for locating the dumbbell pin posture monitoring device; the posture monitoring device comprises an elastic support rod, an infrared transceiver and a cross cardan node and is used for monitoring infrared signals; a wireless communication network is used for achieving real-time communications between the posture monitoring device and an upper computer, and the upper computer can store and process the collected infrared data signals and correctly judges the breaking condition of a dumbbell pin. According to the method, any infrared signal received by the infrared transceiver of the pin breaking detection device is taken as a reference to judge a breaking failure of the dumbbell pin and the position of the broken dumbbell pin, the reliability is high, the precision is high, and application and promotion are easy.
Description
Technical field
The present invention relates to a kind of pin break detector apparatus and method, particularly a kind of intermediate channel couples dumbbell pin break detector apparatus and method.
Background technology
In fully-mechanized mining working progradation, the middle pan of scraper conveyor is subject to the multiple load combineds effect such as self gravitation, bunker capcity and passage resistance, and it is subject to the impact of the angle of bend between drag conveyor linearity, the fluctuating quantity on ground, arbitrary neighborhood intermediate channel section and dumbbell pin self-strength, very easily cause abrasion and the fracture of intermediate channel and dumbbell pin, seriously cause intermediate channel connecting staggered or disengagement, the bond strength of intermediate channel dumbbell key seat is much stronger than dumbbell pin, once dumbbell pin fracture, namely can determine whether intermediate channel Joint failure.
At present, fully-mechanized mining working Mine Production, traditional manual type is still continued to use in detection intermediate channel being coupled to dumbbell pin fracture defect, and intermediate channel, without being substantially misaligned or disengage the dumbbell pin being difficult to manually distinguish and change in time fracture, exists huge potential safety hazard.
Summary of the invention
Goal of the invention: the invention provides a kind of highly reliable, degree of accuracy is high, the intermediate channel that is easily maintained couples dumbbell pin break detector apparatus and method.
To achieve these goals, present invention employs following technical scheme: this break detector apparatus includes locking device and dumbbell pin gesture monitoring device；The middle pan of scraper conveyor is connected to dumbbell pin and dumbbell pin gesture monitoring device, is connected by bolt between locking device and each adjacent component of dumbbell pin gesture monitoring device；Dumbbell pin break detector apparatus is arranged in ramp plate side, it is to avoid the stress in passage process is impacted.
Described locking device is used for the location of dumbbell pin gesture monitoring device, including: flexibly positioned circle and elastic fastening ring, elastic fastening ring is connected on elastic supporting bar, and flexibly positioned circle is symmetricly set on arbitrary neighborhood intermediate channel and couples dumbbell pin pin rod two ends；The centre position of elastic supporting bar is connected to cross universal node；
Described cross universal node is formed by launching pedestal, reception pedestal and crossed joint, launches pedestal intracavity and is provided with infrared transmitter, receives pedestal intracavity and be provided with infrared remote receiver, and two pedestals can rotate along horizontally and vertically direction, and fairlead is used for connecting up；All there is centre bore at the center launching pedestal and reception pedestal, with receiving, pedestal also has fairlead launching pedestal simultaneously；Transmitting pedestal, reception pedestal are identical with the central hole size size of candan universal joint, and the central axis of centre bore is on same horizontal line.
Described dumbbell gesture monitoring device is for the monitoring of infrared signal；Including infrared remote receiver, infrared transmitter and signal processing module, signal processing module processes for the data of infrared signal；The infrared remote receiver of dumbbell gesture monitoring device and infrared transmitter are connected with the outfan of signal processing module；Signal processing module passes through wireless communication networks and is connected with host computer, and host computer is implemented data process storage and shown, enter early warning in fact and remotely control；Described wireless communication networks includes: ZigBee node, ZigBee wireless routing module and ZigBee coordinator, and Zigbee routing module adopts CC2530 chip select system, it is achieved with the real-time communication of host computer；Described host computer include with ARM chip be microprocessor signal processing system, with MCGS industrial control software be core digital display unit and autoalarm.
A kind of intermediate channel couples the detection method of dumbbell pin break detector apparatus, comprises the following steps:
A), connection dumbbell pin gesture monitoring device between arbitrary neighborhood drag conveyor is carried out Unified number, detecting device infrared transmitter is launched infrared signal and is received by infrared remote receiver, infrared remote receiver output termination signal processing module, infrared signal decoding data are converted to the digital quantity of correspondence by signal processing module, then it is electrically connected with the zigbee node module of Unified number, host computer is transferred data to by wireless communication networks, wireless communication networks by organizing zigbee router-module and coordinator module forms more, can carry out data transmission by multi-hop selecting paths；
B), dumbbell pin fracture defect diagnosis: host computer is to generating date, and obtaining infrared remote receiver reception infrared signal strength theory numerical value is N0, the infrared signal intensity actual numerical value that in detection process, zigbee node collects is N, sets reference variable M0%=| N-N0|/N0, its threshold value is 10%: work as M0When % value size is close to zero, it was shown that dumbbell pin normal operation；M0When % is more than 10%, show the deflection of cross universal node occurred level or vertical direction, now cannot normally receiving infrared signal, dumbbell pin ruptures, and host computer can judge fracture dumbbell pin position according to dumbbell pin gesture monitoring device numbering and ZigBee node networking ID；
C), repeat step a, b, in real time detection dumbbell pin crack conditions, and by host computer to receive data process, storage and display, further, it is achieved the real-time early warning of dumbbell pin fracture defect and the intermediate channel passage action of fracture location is remotely controlled.
Beneficial effect: owing to have employed such scheme, once there is chain rupture fault in dumbbell pin, launch pedestal and the deflection of the candan universal joint just occurred level received between pedestal or vertical direction, now cannot normally receive infrared signal, dumbbell pin crack conditions is accurately judged with the infrared signal intensity of dumbbell pin break detector apparatus reception for reference, and the position of fracture dumbbell pin can be quickly determined by host computer, enormously simplify detection program, overcome the blindness poor efficiency of manual detection, real-time early warning and work surface for dumbbell pin fracture defect remotely control to provide reliable basis.
Accompanying drawing explanation
Fig. 1 is the layout drawing of break detector apparatus of the present invention.
Fig. 2 is break detector apparatus scheme of installation of the present invention.
Fig. 3 is locking device of the present invention and dumbbell pin gesture monitoring device structural representation.
Fig. 4 is the control device connection diagram of the present invention.
In figure: 1, the middle pan of scraper conveyor, 2, dumbbell pin, 21, dumbbell pin pin rod, 3, dumbbell pin gesture monitoring device, 31, locking device, 311 flexibly positioned circles, 312, elastic fastening ring, 32, elastic supporting bar, 33, cross universal node, 331, launch pedestal, 332, crossed joint, 333, pedestal is received, 334, fairlead, 335, centre bore.
Detailed description of the invention:
Below in conjunction with accompanying drawing the present invention done and further explain.
This break detector apparatus includes locking device 31 and dumbbell pin gesture monitoring device；The middle pan of scraper conveyor 1 is connected to dumbbell pin 2 and dumbbell pin gesture monitoring device 3, is connected by bolt between locking device 31 and each adjacent component of dumbbell pin gesture monitoring device 3；Dumbbell pin break detector apparatus is arranged in ramp plate side, it is to avoid the stress in passage process is impacted.
Described locking device 31 is for the location of dumbbell pin gesture monitoring device, including: flexibly positioned circle 311 and elastic fastening ring 312, elastic fastening ring 312 is connected on elastic supporting bar 32, and flexibly positioned circle 311 is symmetricly set on arbitrary neighborhood intermediate channel and couples dumbbell pin pin rod 21 two ends；The centre position of elastic supporting bar 32 is connected to cross universal node 33；
Described cross universal node 33 is formed by launching pedestal 331, reception pedestal 333 and crossed joint 332, launch pedestal 331 intracavity and be provided with infrared transmitter, receiving pedestal 333 intracavity and be provided with infrared remote receiver, two pedestals can rotate along horizontally and vertically direction, and fairlead 334 is used for connecting up；All there is centre bore 335 at the center launching pedestal 331 and reception pedestal 334, with receiving, pedestal 334 also has fairlead 334 launching pedestal 331 simultaneously；Transmitting pedestal, reception pedestal are identical with the central hole size size of candan universal joint, and the central axis of centre bore is on same horizontal line.
Described dumbbell gesture monitoring device 3 is for the monitoring of infrared signal；Including infrared remote receiver, infrared transmitter and signal processing module, signal processing module processes for the data of infrared signal；The infrared remote receiver of dumbbell gesture monitoring device 3 and infrared transmitter are connected with the outfan of signal processing module；Signal processing module passes through wireless communication networks and is connected with host computer, and host computer is implemented data process storage and shown, enter early warning in fact and remotely control；Described wireless communication networks includes: ZigBee node, ZigBee wireless routing module and ZigBee coordinator, and Zigbee routing module adopts CC2530 chip select system, it is achieved with the real-time communication of host computer；Described host computer include with ARM chip be microprocessor signal processing system, with MCGS industrial control software be core digital display unit and autoalarm.
A kind of intermediate channel couples the detection method of dumbbell pin break detector apparatus, comprises the following steps:
A), connection dumbbell pin gesture monitoring device between arbitrary neighborhood drag conveyor is carried out Unified number, detecting device infrared transmitter is launched infrared signal and is received by infrared remote receiver, infrared remote receiver output termination signal processing module, infrared signal decoding data are converted to the digital quantity of correspondence by signal processing module, then it is electrically connected with the zigbee node module of Unified number, host computer is transferred data to by wireless communication networks, wireless communication networks by organizing zigbee router-module and coordinator module forms more, can carry out data transmission by multi-hop selecting paths；
B), dumbbell pin fracture defect diagnosis: host computer is to generating date, and obtaining infrared remote receiver reception infrared signal strength theory numerical value is N0, the infrared signal intensity actual numerical value that in detection process, zigbee node collects is N, sets reference variable M0%=| N-N0|/N0, its threshold value is 10%: work as M0When % value size is close to zero, it was shown that dumbbell pin normal operation；M0When % is more than 10%, show the deflection of cross universal node occurred level or vertical direction, now cannot normally receiving infrared signal, dumbbell pin ruptures, and host computer can judge fracture dumbbell pin position according to dumbbell pin gesture monitoring device numbering and ZigBee node networking ID；
C), repeat step a, b, in real time detection dumbbell pin crack conditions, and by host computer to receive data process, storage and display, further, it is achieved the real-time early warning of dumbbell pin fracture defect and the intermediate channel passage action of fracture location is remotely controlled.
Embodiment 1: to achieve these goals, present invention employs following technical scheme:
At Fig. 1, in 2, a kind of intermediate channel couples dumbbell pin 2 break detector apparatus 3, and this break detector apparatus includes locking device 31 and dumbbell pin gesture monitoring device；Described locking device is for the location of dumbbell pin gesture monitoring device, and gesture monitoring device is for the monitoring of infrared signal；Described signal processing module processes for the data of infrared signal, and wireless communication networks is made up of ZigBee wireless data transmission module, and Zigbee module adopts CC2530 chip select system, it may be achieved with the real-time communication of host computer；Described host computer include with ARM chip be microprocessor signal processing system, be core with MCGS industrial control software digital display unit and autoalarm etc..
As Fig. 2,3, described locking device includes flexibly positioned circle 311 and elastic fastening ring 312, and flexibly positioned circle is symmetricly set on arbitrary neighborhood intermediate channel 1 and couples dumbbell pin pin rod 21 two ends；Described gesture monitoring device includes elastic supporting bar 32, infrared transceiver and cross universal node 33；Connected by bolt between locking device and each adjacent component of gesture monitoring device.
Described cross universal node is formed by launching pedestal 331, reception pedestal 333 and crossed joint 332, launch pedestal intracavity and be provided with infrared transmitter, receiving pedestal intracavity and be provided with infrared remote receiver, two pedestals can rotate along horizontally and vertically direction, and fairlead 334 is used for connecting up；
Described dumbbell pin break detector apparatus is arranged in ramp plate side, it is to avoid the stress in passage process is impacted；Launch pedestal, reception pedestal and the candan universal joint of described dumbbell pin gesture monitoring device have the centre bore 335 of same size size, and the central axis of centre bore is on same horizontal line.
Such as Fig. 4, a kind of intermediate channel couples the detection method of dumbbell pin break detector apparatus, comprises the following steps:
A), connection dumbbell pin gesture monitoring device between arbitrary neighborhood drag conveyor is carried out Unified number, detecting device infrared transmitter is launched infrared signal and is received by infrared remote receiver, infrared remote receiver output termination signal processing module, infrared signal decoding data are converted to the digital quantity of correspondence by signal processing module, then it is electrically connected with the zigbee node module of Unified number, host computer is transferred data to by wireless communication networks, wireless communication networks by organizing zigbee router-module and coordinator module forms more, can carry out data transmission by multi-hop selecting paths；
B), dumbbell pin fracture defect diagnosis: host computer is to generating date, and obtaining infrared remote receiver reception infrared signal strength theory numerical value is N0, the infrared signal intensity actual numerical value that in detection process, zigbee node collects is N, sets reference variable M0%=| N-N0|/N0, its threshold value is 10%: work as M0When % value size is close to zero, it was shown that dumbbell pin normal operation；M0When % is more than 10%, show the deflection of cross universal node occurred level or vertical direction, now cannot normally receiving infrared signal, dumbbell pin ruptures, and host computer can judge fracture dumbbell pin position according to dumbbell pin gesture monitoring device numbering and ZigBee node networking ID；
C), step a, b are repeated, in real time detection dumbbell pin crack conditions, and by host computer to receiving data process, storage and display, further, it may be achieved the real-time early warning of dumbbell pin fracture defect and the intermediate channel passage action remotely control etc. to fracture location.
Claims (3)
1. an intermediate channel couples dumbbell pin break detector apparatus, it is characterised in that: this break detector apparatus includes locking device and dumbbell pin gesture monitoring device；The middle pan of scraper conveyor is connected to dumbbell pin and dumbbell pin gesture monitoring device, is connected by bolt between locking device and each adjacent component of dumbbell pin gesture monitoring device；Dumbbell pin break detector apparatus is arranged in ramp plate side, it is to avoid the stress in passage process is impacted；
Described locking device is used for the location of dumbbell pin gesture monitoring device, including: flexibly positioned circle and elastic fastening ring, elastic fastening ring is connected on elastic supporting bar, and flexibly positioned circle is symmetricly set on arbitrary neighborhood intermediate channel and couples dumbbell pin pin rod two ends；The centre position of elastic supporting bar is connected to cross universal node；
Described dumbbell gesture monitoring device is for the monitoring of infrared signal；Including infrared remote receiver, infrared transmitter and signal processing module, signal processing module processes for the data of infrared signal；The infrared remote receiver of dumbbell gesture monitoring device and infrared transmitter are connected with the outfan of signal processing module；Signal processing module passes through wireless communication networks and is connected with host computer, and host computer is implemented data process storage and shown, enter early warning in fact and remotely control；Described wireless communication networks includes: ZigBee node, ZigBee wireless routing module and ZigBee coordinator, and Zigbee routing module adopts CC2530 chip select system, it is achieved with the real-time communication of host computer；Described host computer include with ARM chip be microprocessor signal processing system, with MCGS industrial control software be core digital display unit and autoalarm.
2. a kind of intermediate channel according to claim 1 couples dumbbell pin break detector apparatus, it is characterized in that: described cross universal node is formed by launching pedestal, reception pedestal and crossed joint, launch pedestal intracavity and be provided with infrared transmitter, receive pedestal intracavity and be provided with infrared remote receiver, two pedestals can rotate along horizontally and vertically direction, and fairlead is used for connecting up；All there is centre bore at the center launching pedestal and reception pedestal, with receiving, pedestal also has fairlead launching pedestal simultaneously；Transmitting pedestal, reception pedestal are identical with the central hole size size of candan universal joint, and the central axis of centre bore is on same horizontal line.
3. a kind of intermediate channel described in claim couples the detection method of dumbbell pin break detector apparatus, it is characterised in that: this detection method comprises the following steps:
A), connection dumbbell pin gesture monitoring device between arbitrary neighborhood drag conveyor is carried out Unified number, detecting device infrared transmitter is launched infrared signal and is received by infrared remote receiver, infrared remote receiver output termination signal processing module, infrared signal decoding data are converted to the digital quantity of correspondence by signal processing module, then it is electrically connected with the zigbee node module of Unified number, host computer is transferred data to by wireless communication networks, wireless communication networks by organizing zigbee router-module and coordinator module forms more, can carry out data transmission by multi-hop selecting paths；
B), dumbbell pin fracture defect diagnosis: host computer is to generating date, and obtaining infrared remote receiver reception infrared signal strength theory numerical value is N0, the infrared signal intensity actual numerical value that in detection process, zigbee node collects is N, sets reference variable M0%=| N-N0|/N0, its threshold value is 10%: work as M0When % value size is close to zero, it was shown that dumbbell pin normal operation；M0When % is more than 10%, show the deflection of cross universal node occurred level or vertical direction, now cannot normally receiving infrared signal, dumbbell pin ruptures, and host computer can judge fracture dumbbell pin position according to dumbbell pin gesture monitoring device numbering and ZigBee node networking ID；
C), repeat step a, b, in real time detection dumbbell pin crack conditions, and by host computer to receive data process, storage and display, further, it is achieved the real-time early warning of dumbbell pin fracture defect and the intermediate channel passage action of fracture location is remotely controlled.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061037.4A CN105717125B (en) | 2016-01-28 | 2016-01-28 | A kind of intermediate channel connection dumbbell pin break detector apparatus and method |
| CA2986065A CA2986065C (en) | 2016-01-28 | 2016-12-02 | Breaking detection device and method for dumbbell pin connected to middle trough |
| PCT/CN2016/108400 WO2017128857A1 (en) | 2016-01-28 | 2016-12-02 | Middle groove coupling dumbbell pin breakage detection apparatus and method |
| AU2016390227A AU2016390227B2 (en) | 2016-01-28 | 2016-12-02 | Breaking detection device and method for dumbbell pin connected to middle trough |
| ZA2018/00779A ZA201800779B (en) | 2016-01-28 | 2018-02-06 | Middle groove coupling dumbbell pin breakage detection apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061037.4A CN105717125B (en) | 2016-01-28 | 2016-01-28 | A kind of intermediate channel connection dumbbell pin break detector apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105717125A true CN105717125A (en) | 2016-06-29 |
| CN105717125B CN105717125B (en) | 2018-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610061037.4A Expired - Fee Related CN105717125B (en) | 2016-01-28 | 2016-01-28 | A kind of intermediate channel connection dumbbell pin break detector apparatus and method |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN105717125B (en) |
| AU (1) | AU2016390227B2 (en) |
| CA (1) | CA2986065C (en) |
| WO (1) | WO2017128857A1 (en) |
| ZA (1) | ZA201800779B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442735A (en) * | 2016-08-26 | 2017-02-22 | 北京普华亿能风电技术有限公司 | Acoustic emission based bolt fracture signal detection method |
| WO2017128857A1 (en) * | 2016-01-28 | 2017-08-03 | 中国矿业大学 | Middle groove coupling dumbbell pin breakage detection apparatus and method |
| CN112461430A (en) * | 2020-11-26 | 2021-03-09 | 燕山大学 | Bolt state online monitoring system of wind driven generator |
| CN113184484A (en) * | 2021-05-17 | 2021-07-30 | 中国矿业大学 | Scraper conveyor health monitoring system and monitoring method |
| CN116913053A (en) * | 2023-06-20 | 2023-10-20 | 镇江加勒智慧电力科技股份有限公司 | Automatic alarm type bus duct and monitoring system for fracture |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148549A (en) * | 2021-05-25 | 2021-07-23 | 威世诺智能科技(青岛)有限公司 | Sensing method for collecting multivariate information based on middle groove goaf side of scraper conveyor |
| CN113635013B (en) * | 2021-08-25 | 2022-10-04 | 哈尔滨焊接研究院有限公司 | Method for positioning rack rail seat on middle groove |
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- 2016-01-28 CN CN201610061037.4A patent/CN105717125B/en not_active Expired - Fee Related
- 2016-12-02 AU AU2016390227A patent/AU2016390227B2/en not_active Ceased
- 2016-12-02 CA CA2986065A patent/CA2986065C/en not_active Expired - Fee Related
- 2016-12-02 WO PCT/CN2016/108400 patent/WO2017128857A1/en active Application Filing
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017128857A1 (en) * | 2016-01-28 | 2017-08-03 | 中国矿业大学 | Middle groove coupling dumbbell pin breakage detection apparatus and method |
| CN106442735A (en) * | 2016-08-26 | 2017-02-22 | 北京普华亿能风电技术有限公司 | Acoustic emission based bolt fracture signal detection method |
| CN112461430A (en) * | 2020-11-26 | 2021-03-09 | 燕山大学 | Bolt state online monitoring system of wind driven generator |
| CN113184484A (en) * | 2021-05-17 | 2021-07-30 | 中国矿业大学 | Scraper conveyor health monitoring system and monitoring method |
| CN113184484B (en) * | 2021-05-17 | 2022-09-02 | 中国矿业大学 | Scraper conveyor health monitoring system and monitoring method |
| CN116913053A (en) * | 2023-06-20 | 2023-10-20 | 镇江加勒智慧电力科技股份有限公司 | Automatic alarm type bus duct and monitoring system for fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2016390227A1 (en) | 2017-10-26 |
| AU2016390227B2 (en) | 2019-01-31 |
| ZA201800779B (en) | 2018-12-19 |
| CN105717125B (en) | 2018-05-25 |
| CA2986065C (en) | 2020-05-12 |
| CA2986065A1 (en) | 2017-08-03 |
| WO2017128857A1 (en) | 2017-08-03 |
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