CN105151969A - Depth and state detection device and method for ultra-deep mine hoisting container - Google Patents
Depth and state detection device and method for ultra-deep mine hoisting container Download PDFInfo
- Publication number
- CN105151969A CN105151969A CN201510420665.2A CN201510420665A CN105151969A CN 105151969 A CN105151969 A CN 105151969A CN 201510420665 A CN201510420665 A CN 201510420665A CN 105151969 A CN105151969 A CN 105151969A
- Authority
- CN
- China
- Prior art keywords
- container
- lifting container
- demoder
- coding cable
- ultra
- 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.)
- Granted
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a depth and state detection device and method for an ultra-deep mine hoisting container. The device comprises a wellhead arranged on one side of a mine shaft, coding cables laid on all middle sections, an antenna box, an address detection decoder, a carrier generator, a triaxial accelerometer, a digital signal processor (DSP) collection and operation module, a wireless signal transmitter, a transmitting directive antenna, a receiving directive antenna, a wireless signal receiver and an industrial personal computer. The entire device is simple in structure, low in cost and convenient to operate. According to the method, the triaxial accelerometer is provided for detecting the motion state of the container in a non-critical position, integration is conducted on the accelerometer so that the speed and depth of the container can be obtained, the information can be compared with information acquired from a rotary encoder, hence, information reliability is guaranteed, and operation safety of equipment is guaranteed as well.
Description
Technical field
The present invention relates to a kind of ultra-deep mine hoisting container degree of depth and condition checkout gear and method.
Background technology
At present, in mine hoisting field, the depth detection of lifting container is measured the angle of reel rotation by rotary encoder substantially, then is converted into the move distance of steel rope according to drum diameter, indirectly obtains the depth information of lifting container.Because long steel rope itself has certain elasticity, lifting container by reasons such as external impacts, the depth information that the mode of this indirect detection obtains is very unreliable, such as when causing lifting container card tank in operational process due to reasons such as cage guide distortion, promote time of day and the degree of depth that driver does not understand lifting container, reel works on and just probably causes the major accident of disconnected rope.
When lifting container needs to stop in stage casing, needing first slows down creeps, and sends stop signal by mechanical type or electromagnetic type travel switch, at this moment because reasons such as steel rope elasticity, actual anchor point is very accurate, and, material transportation band upper and lower to personnel serves difficulty and potential safety hazard.And subsurface environment is severe, has damage during travel switch, makes troubles to normal operation, also there is potential safety hazard.
But in ultra-deep mine (more than 1500 meters), the elastic elongation impact of steel rope can not be ignored, the load of lifting container is larger, running velocity is faster, the method error that dependence rotary encoder indirect detection+travel switch sends stop signal is larger, may bring and stop the problems such as inaccurate, unstable, bring difficulty and potential safety hazard up and down to personnel, vehicle.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, propose a kind of energy Real-Time Monitoring lifting container state of kinematic motion, detect method and the device of lifting container position in stage casing energy short range accurately in real time, by coding cable broken-up laying near stage casing, realize creep stop time high-precision real time position probing, guarantee accurate stopping.
Coding cable is the private cable with certain coding rule (being generally Gray code), adopt special dies, direction equal with interval contrary, symmetrical to linear formula coiling mutually, coordinate with antenna box etc. can realize long distance, noncontact, high precision (can 5mm be reached) absolute address detect, it adopts rubber hermetically sealed, antijamming capability is strong, and degree of protection reaches IP67, is applicable to severe industrial environment, reliability is high, and the life-span is long.Except position detecting function, the cooperation of coding cable system and communication device can also be used to transmit data.But coding cable price costly, and be not suitable for omnidistance laying, especially ultra-deep mine.
In the lifting container high-speed cruising stage, running state information is more important than location information; In shutdown phase of creeping, location information is more important than running state information.
The present invention is directed to above-mentioned problems of the prior art, propose a kind of energy Real-Time Monitoring lifting container state of kinematic motion, detect method and the device of lifting container position in stage casing energy short range accurately in real time, by coding cable broken-up laying near stage casing, realize creep stop time high-precision real time position probing, guarantee accurate stopping.
Coding cable is the private cable with certain coding rule (being generally Gray code), adopt special dies, direction equal with interval contrary, symmetrical to linear formula coiling mutually, coordinate with antenna box etc. can realize long distance, noncontact, high precision (can 5mm be reached) absolute address detect, it adopts rubber hermetically sealed, antijamming capability is strong, and degree of protection reaches IP67, is applicable to severe industrial environment, reliability is high, and the life-span is long.Except position detecting function, the cooperation of coding cable system and communication device can also be used to transmit data.But coding cable price costly, and be not suitable for omnidistance laying, especially ultra-deep mine.
In the lifting container high-speed cruising stage, running state information is more important than location information; In shutdown phase of creeping, location information is more important than running state information.
A kind of ultra-deep mine hoisting container degree of depth and condition checkout gear, comprise multicable, be laid on the coding cable in the well head of pitshaft side and all stage casings, antenna box, address detection demoder, carrier generator, accelerometer, DSP gather with computing module, wireless signal transmitter, transmitting directional antenna, receive directional antenna, wireless signal receiver and industrial computer;
Connected by multicable between multistage coding cable;
Described antenna box, accelerometer, DSP gather and are arranged on lifting container with computing module and wireless signal transmitter;
Described address detection demoder is arranged on lifting container and is connected with antenna box, and carrier generator is arranged on mine ground surface; Or described address detection demoder is arranged on mine ground surface, and carrier generator is arranged on lifting container and is connected with antenna box;
Described accelerometer, DSP gather with computing module, wireless signal transmitter and launch directional antenna and be connected successively, and described wireless signal transmitter is communicated with wireless data receiver by transmitting directional antenna, reception directional antenna;
Described wireless data receiver communicates with industrial computer.
Connection between described coding cable and multicable is adopted direct-connected or is connected by bi-directional relaying amplifier.
Also comprise the alarm unit be connected with industrial computer.
A kind of ultra-deep mine hoisting container degree of depth and condition detection method, coding cable is laid in the well head in pitshaft side and all stage casings, adopts multicable to connect between coding cable; At lifting container mounted antennas case, and address detection demoder and carrier generator are set, in the position being equipped with coding cable, sending carrier signal by carrier generator transfers on coding cable through antenna box, or directly transfer on coding cable, Signal transmissions is obtained the depth information of lifting container by coding cable to address detection demoder;
The set-up mode of described address detection demoder and carrier generator comprises following two kinds:
Installation addresses detection demoder on lifting container, address detection demoder is connected with antenna box, and carrier generator is arranged on mine ground surface;
Or address detection demoder is arranged on mine ground surface, and carrier generator is arranged on lifting container, and carrier generator is connected with antenna box.
Connection between described coding cable and multicable is adopted direct-connected or is connected by bi-directional relaying amplifier.
Lifting container arranges accelerometer, DSP collection is with computing module, wireless signal transmitter and launch directional antenna, arrange at mine ground surface and receive directional antenna and wireless data receiver;
In the high-speed cruising stage of lifting container, by be arranged on triaxial accelerometer on lifting container obtain lifting container acceleration information and through data collecting plate card collection, send by launching directional antenna through wireless signal transmitter, after being received by the reception directional antenna being fixed on mine ground surface, issue wireless data receiver, then transfer to the industrial computer on ground;
By industrial computer to the data of triaxial accelerometer collection carry out filtering with once, quadratic integral computing, the speed of the container that gets a promotion respectively and displacement information; Meanwhile, compare with the lifting container speed obtained by rotary encoder, coding cable, displacement information, if speed difference or position difference exceed setting threshold, then send alarm message by industrial computer.
When lifting container promotes, the data of triaxial accelerometer collection are judged, if occur that accekeration fluctuation range exceedes the threshold range of setting at same position, then think that cage guide occurs gross distortion or there is external impacts, send early warning signal by industrial computer.
Cage equipment passes through roller generation machine and storage battery power supply, to ensure the continuous and steady operation of equipment.As a kind of method of saving electric power, when the lifting container long period is not run, equipment de-sign has park mode, can wake up to normal mode of operation by automatic or manual when gig runs.
Beneficial effect
The invention provides a kind of ultra-deep mine hoisting container degree of depth and condition checkout gear and method, this device comprises multicable, is laid on the coding cable in the well head of pitshaft side and all stage casings, and antenna box, address detection demoder, carrier generator, accelerometer, DSP gather with computing module, wireless signal transmitter, transmitting directional antenna, receive directional antenna, wireless signal receiver and industrial computer; Whole apparatus structure is simple, cost is lower, easy to operate;
By learning researching and analysing of ultra-deep mine, the key positions such as the stage casing of stopping are needed to want high precision, direct-detection; In the position (non-stage casing etc.) of high-speed cruising, its state of kinematic motion (whether impact, rock) need be paid close attention to.Therefore, the method detects its state of kinematic motion at non-key position proposition accelerometer, carries out integration obtain its speed, the degree of depth to accelerometer, and the information that can obtain with rotary encoder contrasts each other, the reliability of guarantee information, ensures equipment safe in operation.
The coding cable in different stage casing is connected by multicable, and signal, can not detection position signal at multicable place as Fig. 3.The design that this multicable substitutes a part of coding cable makes in several sections of coding cable structures of whole ultra-deep pit shaft still as a whole, thus only needs the corollary equipment such as a set of ground communicator, address detection demoder, provides cost savings.
What each section of coding cable detected is all the absolute location of antenna box on this section, the address information of the coding cable transmission in different stage casing is differentiated by sector address, and the depth information that sector address can provide in conjunction with the travel switch near stage casing or rotary encoder is determined.Because of coding cable detection is real-time absolute location, therefore facilitates driver's accurate stopping.In addition, its location information correction of location information that can provide as reel coding cable.At upper computer, its location information is differentiated, the velocity information of crawling phase can be obtained, also can be used as the correction of the velocity information that coder draws.
Although coding cable is technically advantageous, expensive being not suitable for is laid in ultra-deep pitshaft whole process.
The present invention is by carrying out a large amount of analytical investigations to ultra-deep mine depth detection, propose only that key position uses coding cable in stage casing etc., use multicable direct-connected in non-key position, several sections of coding cables are still a set of address detection system, greatly can save cost, this divisional use has its special environment and value of service.
Accompanying drawing explanation
Fig. 1 is the structural representation of this device;
Fig. 2 is the Cleaning Principle schematic diagram of this device;
Fig. 3 is the direct-connected schematic diagram of multicable and coding cable;
Label declaration: 10-pit shaft, 11-cage guide, 201-lifting container, 202-storage battery, 203-roller generation machine, 204-triaxial accelerometer, 205-gathers and computing module, 206-motor of rolling shutter door, 207-wireless signal transmitter, 208-launches directional antenna, 30-coding cable, 31-multicable, communication controller on 32-car, 33-antenna box, 34-carrier generator, 35-address signal detection demoder, 36-is communicator on the ground, 37-terminal resistance, 40-head sheave, 41-receives directional antenna, 42-wireless signal receiver, 43-hoisting cable, 44-reel, 45-rotary encoder, 50-main control cabinet, 51-main control PLC, 52-PLC slave station, 53-industrial computer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, a kind of ultra-deep mine hoisting container degree of depth and condition checkout gear, comprise multicable 31, be laid on the coding cable 30 in the well head of pitshaft 10 side and all stage casings, multicable 31, antenna box 33, carrier generator 34, address signal detection demoder 35, triaxial accelerometer 204, DSP gather with computing module 205, wireless signal transmitter 207, launch directional antenna 208, receive directional antenna 41, wireless signal receiver 42 and industrial computer 53;
Connected by multicable 31 between multistage coding cable 30;
Described antenna box 33, triaxial accelerometer 204, DSP gather and are arranged on lifting container 201 with computing module 205 and wireless signal transmitter 207;
Described address signal detection demoder 35 is arranged on lifting container 201 and is connected with antenna box 33, and carrier generator 34 is arranged on mine ground surface; Or described address signal detection demoder 35 is arranged on mine ground surface, carrier generator 34 is arranged on lifting container 201 and is connected with antenna box 33;
Described triaxial accelerometer 204, DSP gather with computing module 205, wireless signal transmitter 207 and launch directional antenna 208 and be connected successively, described wireless signal transmitter 207 by launching directional antenna 208, reception directional antenna 41 communicates with wireless signal receiver 42;
Described wireless signal receiver 42 communicates with the industrial computer 53 or PLC slave station 52 being arranged on main control cabinet 50.
Connection between described coding cable 30 and multicable 31 is adopted direct-connected or is connected by bi-directional relaying amplifier.
Direct-connected mode as shown in Figure 3.
Also comprise the alarm unit be connected with industrial computer 53.
A kind of ultra-deep mine hoisting container degree of depth and condition detection method, Cleaning Principle as shown in Figure 2, coding cable 30 is laid in well head in pitshaft 10 side and all stage casings, adopts multicable 31 to connect between coding cable 30, and bottom one section of coding cable end connects terminal resistance 37; At lifting container 201 mounted antennas case 33, and address signal detection demoder 35 and carrier generator 34 are set, be equipped with the position of coding cable 30, sending carrier signal by carrier generator 34 transfers on coding cable 30 through antenna box 33, or directly transferring on coding cable 30, Signal transmissions is obtained the depth information of lifting container 201 by coding cable 30 to address signal detection demoder 35;
Described address signal detection demoder 35 comprises following two kinds with the set-up mode of carrier generator 34:
Installation addresses signal demodulator demoder 35 on lifting container 201, address signal detection demoder 35 is connected with antenna box 33, and carrier generator 34 is arranged on mine ground surface;
Or address signal detection demoder 35 is arranged on mine ground surface, and carrier generator 34 is arranged on lifting container 201, and carrier generator 34 is connected with antenna box 33.
Connection between described coding cable 30 and multicable 31 is adopted direct-connected or is connected by bi-directional relaying amplifier.
Lifting container 201 arranges triaxial accelerometer 204, DSP collection is with computing module 205, wireless signal transmitter 207 and launch directional antenna 208, arrange below grass head sheave 40, near hoisting cable 43 position and receive directional antenna 41 and wireless signal receiver 42;
In the high-speed cruising stage of lifting container 201, obtain the acceleration information of lifting container 201 by the triaxial accelerometer 204 be arranged on lifting container 201 and gather with computing module 205 through DSP collection, send by launching directional antenna 208 through wireless signal transmitter 207, after being received by the reception directional antenna 41 being fixed on mine ground surface, issue wireless signal receiver 42, then transfer to the industrial computer 53 on ground;
The data gathered by the industrial computer 53 pairs of triaxial accelerometers 204 carry out filtering with once, quadratic integral computing, the speed of the container 201 that gets a promotion respectively and displacement information; Meanwhile, the lifting container speed obtained with the rotary encoder 45 by being arranged on reel 44 axle head, coding cable 30, displacement information are compared, if speed difference or position difference exceed setting threshold, then send alarm message by industrial computer 53.
When lifting container 201 promotes, the data that triaxial accelerometer 204 gathers are judged, if occur that accekeration fluctuation range exceedes the threshold range of setting at same position, then think that cage guide 11 occurs gross distortion or there is external impacts, send early warning signal by industrial computer 53.
Device proposed by the invention is except position detecting function, and coding cable 30 coordinates communicator on car, on the ground communicator 36 to carry out radio communication, and it carries out electromagnetic induction by antenna box 33 with coding cable 30 and is coupled, stable signal transmission.The real-time Communication for Power realized near stage casing be can be used for, lifting container rolling screen door, the automatic control of stop device and two way voice communication realized.For electric rolling door, communication process is described: judged by the location information of coding cable 30 system, after reaching middle section position parking, main control PLC 51 sends roller shutter instruction, encoded cable 30 or multicable 31 pass to the ground communicator 36 of middle section, communicator 36 sends signal to coding cable 30 on the ground, antenna box 33 on lifting container 201 is by electromagnetic coupled Received signal strength, and electromagnetic wave is converted to current signal and issue communication controller 32 on car, on car, communication controller 32 sends enabled instruction to motor of rolling shutter door 206, starts roller shutter.
Lifting container 201 equipment is powered by roller generation machine 203 and storage battery 202, to ensure the continuous and steady operation of equipment.As a kind of method of saving electric power, when lifting container 201 long period is not run, equipment de-sign has park mode, can wake up to normal mode of operation by automatic or manual when gig runs.
The mode be combined with triaxial accelerometer 204 by this segment encoding cable 30 can not only obtain failure-free depth information, and can also get a promotion container 201 movement state information, is used for further differentiating that cage guide 11 is out of shape.
Claims (7)
1. a ultra-deep mine hoisting container degree of depth and condition checkout gear, it is characterized in that, comprise multicable, be laid on the coding cable in the well head of pitshaft side and all stage casings, antenna box, address detection demoder, carrier generator, accelerometer, DSP gather with computing module, wireless signal transmitter, transmitting directional antenna, receive directional antenna, wireless signal receiver and industrial computer;
Connected by multicable between multistage coding cable;
Described antenna box, accelerometer, DSP gather and are arranged on lifting container with computing module and wireless signal transmitter;
Described address detection demoder is arranged on lifting container and is connected with antenna box, and carrier generator is arranged on mine ground surface; Or described address detection demoder is arranged on mine ground surface, and carrier generator is arranged on lifting container and is connected with antenna box;
Described accelerometer, DSP gather with computing module, wireless signal transmitter and launch directional antenna and be connected successively, and described wireless signal transmitter is communicated with wireless data receiver by transmitting directional antenna, reception directional antenna;
Described wireless data receiver communicates with industrial computer.
2. a kind of ultra-deep mine hoisting container degree of depth according to claim 1 and condition checkout gear, is characterized in that, the connection between described coding cable and multicable is adopted direct-connected or connected by bi-directional relaying amplifier.
3. a kind of ultra-deep mine hoisting container degree of depth according to claim 1 and condition checkout gear, is characterized in that, also comprise the alarm unit be connected with industrial computer.
4. the ultra-deep mine hoisting container degree of depth and a condition detection method, is characterized in that, coding cable is laid in the well head in pitshaft side and all stage casings, adopts multicable to connect between coding cable; At lifting container mounted antennas case, and address detection demoder and carrier generator are set, in the position being equipped with coding cable, sending carrier signal by carrier generator transfers on coding cable through antenna box, or directly transfer on coding cable, Signal transmissions is obtained the depth information of lifting container by coding cable to address detection demoder;
The set-up mode of described address detection demoder and carrier generator comprises following two kinds:
Installation addresses detection demoder on lifting container, address detection demoder is connected with antenna box, and carrier generator is arranged on mine ground surface;
Or address detection demoder is arranged on mine ground surface, and carrier generator is arranged on lifting container, and carrier generator is connected with antenna box.
5. a kind of ultra-deep mine hoisting container degree of depth according to claim 4 and condition detection method, is characterized in that, the connection between described coding cable and multicable is adopted direct-connected or connected by bi-directional relaying amplifier.
6. a kind of ultra-deep mine hoisting container degree of depth according to claim 4 and condition detection method, it is characterized in that, lifting container arranges accelerometer, DSP collection is with computing module, wireless signal transmitter and launch directional antenna, arrange at mine ground surface and receive directional antenna and wireless data receiver;
In the high-speed cruising stage of lifting container, by be arranged on triaxial accelerometer on lifting container obtain lifting container acceleration information and through data collecting plate card collection, send by launching directional antenna through wireless signal transmitter, after being received by the reception directional antenna being fixed on mine ground surface, issue wireless data receiver, then transfer to the industrial computer on ground;
By industrial computer to the data of triaxial accelerometer collection carry out filtering with once, quadratic integral computing, the speed of the container that gets a promotion respectively and displacement information; Meanwhile, compare with the lifting container speed obtained by rotary encoder, coding cable, displacement information, if speed difference or position difference exceed setting threshold, then send alarm message by industrial computer.
7. a kind of ultra-deep mine hoisting container degree of depth according to claim 6 and condition detection method, it is characterized in that, when lifting container promotes, the data of triaxial accelerometer collection are judged, if occur that accekeration fluctuation range exceedes the threshold range of setting at same position, then think that cage guide occurs gross distortion or there is external impacts, send early warning signal by industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510420665.2A CN105151969B (en) | 2015-07-16 | 2015-07-16 | Depth and state detection device and method for ultra-deep mine hoisting container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510420665.2A CN105151969B (en) | 2015-07-16 | 2015-07-16 | Depth and state detection device and method for ultra-deep mine hoisting container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105151969A true CN105151969A (en) | 2015-12-16 |
| CN105151969B CN105151969B (en) | 2017-03-22 |
Family
ID=54793103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510420665.2A Active CN105151969B (en) | 2015-07-16 | 2015-07-16 | Depth and state detection device and method for ultra-deep mine hoisting container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105151969B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744221A (en) * | 2017-01-17 | 2017-05-31 | 江苏建筑职业技术学院 | A kind of well-bucket runs safety comprehensive guard system and its means of defence |
| CN106800233A (en) * | 2017-01-17 | 2017-06-06 | 江苏建筑职业技术学院 | A kind of detection method of the barrier based on well-bucket operation safety comprehensive guard system |
| CN107892223A (en) * | 2017-11-15 | 2018-04-10 | 中南大学 | A kind of hoisting container monitoring system and tension force fault monitoring method |
| CN108134925A (en) * | 2018-02-11 | 2018-06-08 | 中冶北方（大连）工程技术有限公司 | For the leaky wave communication system of iron ore coal mine hoist |
| CN108466902A (en) * | 2018-06-22 | 2018-08-31 | 潘丽娜 | A kind of drag-line detection device for mine hoist equipment |
| CN108821047A (en) * | 2018-06-22 | 2018-11-16 | 潘丽娜 | A kind of detection system of mine elevator drag-line |
| CN108861903A (en) * | 2018-05-23 | 2018-11-23 | 首钢滦南马城矿业有限责任公司 | A kind of mine hoisting cage parking system and method |
| CN114314281A (en) * | 2022-01-21 | 2022-04-12 | 吴春松 | Underground mine pit each middle section well head door interlocking protection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3806287B2 (en) * | 2000-06-23 | 2006-08-09 | 三菱電機ビルテクノサービス株式会社 | Elevator equipment |
| CN2915813Y (en) * | 2006-04-18 | 2007-06-27 | 武汉利德测控技术股份有限公司 | Crane cable communication positioning system |
| CN202864605U (en) * | 2012-10-25 | 2013-04-10 | 武汉利德测控技术股份有限公司 | Mine cage dynamic detection system |
| CN104362774A (en) * | 2014-11-28 | 2015-02-18 | 中南大学 | Magnetic coupling resonant wireless power transmission system for mine hoisting container |
| CN204405033U (en) * | 2015-02-11 | 2015-06-17 | 武汉索尔德测控技术有限公司 | Gray bus Precise Position System |
-
2015
- 2015-07-16 CN CN201510420665.2A patent/CN105151969B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3806287B2 (en) * | 2000-06-23 | 2006-08-09 | 三菱電機ビルテクノサービス株式会社 | Elevator equipment |
| CN2915813Y (en) * | 2006-04-18 | 2007-06-27 | 武汉利德测控技术股份有限公司 | Crane cable communication positioning system |
| CN202864605U (en) * | 2012-10-25 | 2013-04-10 | 武汉利德测控技术股份有限公司 | Mine cage dynamic detection system |
| CN104362774A (en) * | 2014-11-28 | 2015-02-18 | 中南大学 | Magnetic coupling resonant wireless power transmission system for mine hoisting container |
| CN204405033U (en) * | 2015-02-11 | 2015-06-17 | 武汉索尔德测控技术有限公司 | Gray bus Precise Position System |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106800233B (en) * | 2017-01-17 | 2019-03-08 | 江苏建筑职业技术学院 | A kind of detection method of the barrier based on well-bucket operational safety integrated protection system |
| CN106800233A (en) * | 2017-01-17 | 2017-06-06 | 江苏建筑职业技术学院 | A kind of detection method of the barrier based on well-bucket operation safety comprehensive guard system |
| CN106744221A (en) * | 2017-01-17 | 2017-05-31 | 江苏建筑职业技术学院 | A kind of well-bucket runs safety comprehensive guard system and its means of defence |
| CN106744221B (en) * | 2017-01-17 | 2019-04-05 | 江苏建筑职业技术学院 | A kind of well-bucket operational safety integrated protection system and its means of defence |
| CN107892223A (en) * | 2017-11-15 | 2018-04-10 | 中南大学 | A kind of hoisting container monitoring system and tension force fault monitoring method |
| CN107892223B (en) * | 2017-11-15 | 2019-04-02 | 中南大学 | A kind of hoisting container monitoring system and tension fault monitoring method |
| CN108134925A (en) * | 2018-02-11 | 2018-06-08 | 中冶北方（大连）工程技术有限公司 | For the leaky wave communication system of iron ore coal mine hoist |
| CN108861903A (en) * | 2018-05-23 | 2018-11-23 | 首钢滦南马城矿业有限责任公司 | A kind of mine hoisting cage parking system and method |
| CN108861903B (en) * | 2018-05-23 | 2020-06-23 | 首钢滦南马城矿业有限责任公司 | Mine hoisting cage berthing system and method |
| CN108821047A (en) * | 2018-06-22 | 2018-11-16 | 潘丽娜 | A kind of detection system of mine elevator drag-line |
| CN108466902A (en) * | 2018-06-22 | 2018-08-31 | 潘丽娜 | A kind of drag-line detection device for mine hoist equipment |
| CN108821047B (en) * | 2018-06-22 | 2019-08-16 | 武汉钢铁集团宏信置业发展有限公司 | A kind of detection system of mine elevator drag-line |
| CN114314281A (en) * | 2022-01-21 | 2022-04-12 | 吴春松 | Underground mine pit each middle section well head door interlocking protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105151969B (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105151969B (en) | Depth and state detection device and method for ultra-deep mine hoisting container | |
| CN100503333C (en) | Multipoint location system for rail vehicle go and back running | |
| CN203283810U (en) | Underground belt conveyor detecting system based on image processing technique | |
| CN105716585B (en) | A kind of self-driving type radar wave flow measuring device based on conventional hydrometric cableway | |
| CN104613934A (en) | Remote and real-time ground surface settlement monitoring system based on connected vessel principle | |
| CN104244406A (en) | Mine movement target positioning system and method under cloud computing data | |
| CN202594643U (en) | Crane operation recorder | |
| CN109187564B (en) | Long and narrow structure real-time deformation monitoring system | |
| CN109785587B (en) | Monitoring device based on Beidou satellite positioning | |
| CN204173517U (en) | Travelling apron fuselage positions attitude automatic inspection device | |
| CN205076726U (en) | Tower machine lifting hook height measurement system and have its tower machine | |
| CN103863946B (en) | A kind of crane load pivot angle detection method | |
| CN201788188U (en) | Train absolute velocity measurement device | |
| CN206019815U (en) | A kind of digital weighing sensor is wirelessly transferred based on wireless charging technology | |
| CN205354460U (en) | Trainer is driven in motor vehicle place | |
| CN100519292C (en) | Method for measurement of railcar stroke encoding wheel | |
| CN102249153A (en) | Device for detecting rotating angle, control method thereof and crane comprising same | |
| CN101055475A (en) | Coding wheel positioning device for commuting of track vehicle and its controller | |
| CN206092068U (en) | Mine pressure monitoring devices is strutted in colliery | |
| CN107389062B (en) | Mine cage positioning system and method based on fiber bragg grating strapdown inertial navigation | |
| CN206312338U (en) | Transmission tower side slope and groundwork detection prior-warning device | |
| CN201009906Y (en) | Multi-point positioning device for reciprocation movement of straight line railcar | |
| CN202565467U (en) | Mobile object tracking system | |
| CN201967143U (en) | Real-time positioning system of rail electric locomotive | |
| CN102562160B (en) | Man-machine location, down-hole and slope ramp signal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |