CN1207536C - Autoamtic monitor method and device for safety of mining headframe - Google Patents
Autoamtic monitor method and device for safety of mining headframe Download PDFInfo
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- CN1207536C CN1207536C CN 02138850 CN02138850A CN1207536C CN 1207536 C CN1207536 C CN 1207536C CN 02138850 CN02138850 CN 02138850 CN 02138850 A CN02138850 A CN 02138850A CN 1207536 C CN1207536 C CN 1207536C
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- derrick
- sensor
- baffle plate
- gravity pendulum
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Abstract
The present invention relates to a method and a device for automatically monitoring the safety of a mine headframe. The present invention detect the relative displacement between a measuring baffle plate and a displacement sensor by arranging the measuring baffle plate on a headframe and using the displacement sensor which is arranged on a gravity pendulum and is perpendicular to the gravity pendulum. The displacement sensor transmits a detected signal to a signal conditioning circuit to carry out the filtering processing, the amplifying and shaping processing and the isolation processing; a signal output from the signal conditioning circuit is transmitted to a lower computer to carry out data collection; an upper computer and the lower computer carry out handshake by a modem and are in communication by an internal telephone line of a mine. After the upper computer converts received measuring data transmitted from the lower computer into an actual displacement value through calculation, display, storage or printing is carried out. The upper computer compares the measuring result with a set limiting value, if the measuring result exceeds the limiting value, the upper computer can give an automatic alarm. The present invention can reliably detect the inclination between the headframe and a head sheave in time; thus, the safety misadventure of the headframe can be effectively prevented, the safe production of the mine can be guaranteed, so the application prospect is good.
Description
Technical field
The present invention relates to a kind of derrick of copper-mine safety automatic monitoring method and device.
Background technology
Derrick of copper-mine is one of most important equipment during the mine produces.The vital task that it is being undertaken lifting ore and is carrying producers, its security, reliability are the emphasis that people pay close attention to always.In case derrick has an accident, its consequence is very serious, not only causes heavy losses to national wealth, and personnel's injures and deaths are also very heavy.Simultaneously, the derrick security incident also can cause the mine to stop production, and not only causes heavy economic losses, and produces very abominable social influence.
At present, what both at home and abroad the derrick of copper-mine safety monitoring is adopted is how much observation procedures, promptly selects several reference points, by means of optical gauge periodic observation is carried out in the inclination of derrick and left and right head sheave.But this periodic observation method some months monitoring once, and in most of the cases, some months periodic measurement once can't reflect the tilt quantity of derrick and head sheave in time, prevents the DeGrain that accident takes place.And the problem that the datum mark of how much observations exists difficult choosing, difficulty to build has a strong impact on how much observation procedures and promotes the use of in the mine.
Summary of the invention
Problem to be solved by this invention provides a kind of derrick of copper-mine safety automatic monitoring method and device, inclination with this automatic monitoring method and device monitoring derrick of copper-mine, be not subjected to the restriction of factors such as geographical environment, be not subjected to stochastic factor such as monitoring personnel, realize round-the-clock monitoring, and measurement is reliable, precision is high.
Technical scheme provided by the invention is: a kind of derrick of copper-mine safety automatic monitoring method, by on derrick, establishing the measurement baffle plate, and with being located on the gravity pendulum and the displacement transducer vertical with gravity pendulum detect to be measured relative displacement between baffle plate and the displacement transducer, displacement transducer is delivered to signal conditioning circuit with detected signal, carry out filtering, amplify shaping and isolation processing, the signal of signal conditioning circuit output is delivered to slave computer and is carried out data acquisition; Slave computer and host computer rely on modulator-demodular unit to shake hands, and communicate by letter by the mine internal connection; After the measurement data that host computer transmits the slave computer that receives is converted to actual shift value through calculating, shows, store or print; Host computer compares the ultimate value of measurement result and setting, if the measurement result value of overstepping the extreme limit, host computer is reported to the police automatically.
Described displacement transducer is the differential transducer in two groups of right-angled intersections of vertical direction and horizontal direction setting, measures baffle plate and connects firmly the perpendicular displacement and the horizontal shift of measuring head sheave simultaneously on the sky of derrick wheel shaft.
The present invention also provides a kind of measurement derrick of copper-mine safety automated watch-keeping facility, comprise sensor and signal conditioning circuit, its key is: be provided with gravity pendulum, gravity pendulum is installed in the top of derrick or near the place at top, sensor is installed on the gravity pendulum, and vertical with gravity pendulum, and the measurement point of sensor is provided with the measurement baffle plate, measure baffle plate and be fixed on the derrick, the output terminal of sensor and the input end of signal conditioning circuit join.
The sensor is a differential transducer, differential transducer is made up of two groups of displacement transducers that sensor disk, vertical direction and horizontal direction are arranged on the sensor disk, sensor disk is installed on the gravity pendulum, vertically be suspended on and measure baffle plate the place ahead, sensor disk, displacement transducer, measurement baffle plate constitute the combined type inclination sensor together.
Above-mentioned measurement baffle plate connects firmly on the sky of derrick wheel shaft.
Described signal conditioning circuit is made of filtering circuit, amplifier, shaping circuit, buffer circuit; The output terminal of filtering circuit connects amplifier input terminal, and the output terminal of amplifier connects the input end of shaping circuit, and the output terminal of shaping circuit connects the input end of buffer circuit; Be provided with slave computer, the output terminal of buffer circuit connects the data collecting card input end of slave computer.
The present invention is provided with servomotor and gear train, and servomotor enters by gear train driving sensor dish or breaks away from the working position.
The present invention also is provided with host computer, and host computer is connected with slave computer by modulator-demodular unit, mine internal connection.
Described signal conditioning circuit is made of integrated circuit; Described host computer and slave computer are industrial computer.
The present invention has the following advantages and good effect:
1. currently used how much observation procedures are a kind of periodic personal monitoring's methods, and the present invention are a kind of continuous automatic monitoring methods.
2. this monitoring method is not subjected to the restriction of factors such as geographical environment, and round-the-clock monitoring also can be preserved Monitoring Data.
3. not only can numeral show each monitoring parameter reference value and absolute deviation, can also show the trend curve of each monitoring variable.
4. out-of-limit automatic warning function;
5. be not subjected to stochastic factor such as monitoring personnel, measurement is reliable and precision is high.
6. two-shipper monitoring reliably.The signals collecting of this method is born by front end processor; Monitoring Data mainly is responsible for showing, preserving and is analyzed to host computer.Front end processor places switch board, generally need not personnel operation; Host computer centre pulpit.The monitoring personnel only need operate host computer, even misoperation can not cause damage to system yet.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 adopts the structural representation of differential transducer for the present invention;
Fig. 3 is that the A of Fig. 2 is to partial enlarged view;
Fig. 4 is a principle of work block diagram of the present invention.
Embodiment
The ultimate principle of application sensors of the present invention, based on the basic thought that inclination measurement is converted to displacement measurement, the conception of combined type inclination sensor is proposed, utilize displacement transducer to realize inclination measurement, sensor is converted to displacement with the tilt quantity of experiencing, and export corresponding electric signal, deliver to signal and leave circuit under order and carry out filtering, amplification, shaping and isolation processing, again by the actual size and Orientation that reflects that derrick and left and right head sheave tilt of computing machine.Any one inclination measurement value surpasses preset value, and computing machine is reported to the police automatically.
Monitoring method of the present invention comprises the following steps:
Gravity pendulum is installed on the derrick, and displacement transducer is installed on the gravity pendulum, and displacement transducer and gravity pendulum are vertical relation.Gravity pendulum is subjected to action of gravity and seeks vertical direction all the time.Sensor is installed in the top of derrick or near the place at top, the inclination that is used to measure derrick.When derrick not during run-off the straight, measure the parallel vertical direction that all is in of baffle plate with gravity pendulum, and and displacement transducer between do not have relative displacement, promptly the combined type inclination sensor is output as zero; When the derrick run-off the straight, measure the baffle plate angle θ that thereupon tilts, and gravity pendulum keeps vertical direction, measures between baffle plate and the displacement transducer and will produce relative displacement Δ L.The length L of known gravity pendulum calculates θ according to following formula:
The present invention can be provided with the differential transducer of two groups of right-angled intersections, the perpendicular displacement and the horizontal shift of measuring head sheave simultaneously in vertical direction and horizontal direction.
Signal of sensor is delivered to signal conditioning circuit, carries out filtering, amplifies shaping and isolation processing; The signal of signal conditioning circuit output is delivered to slave computer and is carried out data acquisition; Slave computer and host computer rely on modulator-demodular unit to shake hands, and communicate by letter by the mine internal connection; Host computer is converted to actual shift value with the measurement data that the slave computer that receives transmits through calculating, and shows, stores or print; Host computer compares measurement result and predefined ultimate value, if the measurement result value of overstepping the extreme limit, host computer is reported to the police automatically.Whole measuring process is carried out automatically in the control of computing machine with under coordinating, and need not human intervention, has realized the automatic monitoring of derrick of copper-mine.
Referring to Fig. 1～Fig. 4, the present invention also provides a kind of measurement derrick of copper-mine safety automated watch-keeping facility, comprise sensor 1 and signal conditioning circuit 16, be provided with gravity pendulum 2, gravity pendulum 2 is installed in the top of derrick 4 or near the place at top, sensor 1 is installed on the gravity pendulum 2, and it is vertical with gravity pendulum 2, the measurement point of sensor 1 is provided with measures baffle plate 3, measures baffle plate 3 and is fixed on the derrick 4, and the input end of the output terminal of sensor 1 and signal conditioning circuit 16 joins.
The sensor 1 is a differential transducer, differential transducer is made up of two groups of displacement transducers 8 that sensor disk 7, vertical direction and horizontal direction are arranged on the sensor disk 7, sensor disk 7 is installed on the gravity pendulum 2, vertically be suspended on and measure baffle plate 3 the place aheads, sensor disk 7, displacement transducer 8 (8.1,8.2,8.3,8.4), measurement baffle plate 3 constitute the combined type inclination sensor together.Measuring baffle plate 3 connects firmly on the sky of derrick 4 wheel shaft 5.
The present invention also can install gravity pendulum and displacement transducer and measure plate washer at the top of derrick or near the place at top simultaneously; Gravity pendulum and differential transducer are installed on derrick, and on the sky wheel shaft, are installed and measured plate washer.
Referring to Fig. 2, the present invention is provided with servomotor 13 and gear train 9,10,11,12,15, the worm-and- wheel gear 11,12 that gear train is driven by servomotor 13, reach the shift fork 15 that is connected with support member 10 lead keys with the support member 10 of worm screw 11 fits, shift fork 15 is connected with worm screw 11 kinks, and promptly 11 of worm screws pass to shift fork 15 with axially-movable.For after sensor disk 7 is entered or breaking away from the working position, stop the effect of gear train to sensor disk 7, the present invention also is provided with travel switch 9.During work, driven by servomotor worm gear 12 and then drive worm screw 11 are rotated, worm screw 11 is moved when rotating vertically, this moment, shift fork 15 moved with worm screw 11 following of the effect of lead key 14, thereby making shift fork 15 drive sensor disk 7 enters or breaks away from the working position, sensor disk 7 enters or when breaking away from the working position, shift fork 15 touching travel switches 9 make servomotor 13 out of service.Above-mentioned gear train also can adopt other structures, as pinion and rack etc.
Above-mentioned signal conditioning circuit 16 is made of filtering circuit 17, amplifier 18, shaping circuit 19, buffer circuit 20; The output terminal of filtering circuit 17 connects the input end of amplifier 18, and the output terminal of amplifier 18 connects the input end of shaping circuit 19, and the output terminal of shaping circuit 19 connects the input end of buffer circuit 20; Be provided with slave computer 21, the output terminal of buffer circuit 20 connects the data collecting card input end of slave computer 21.The serial line interface of slave computer 21 connects modulator-demodular unit 22, and the serial line interface of host computer 24 connects modulator-demodular unit 23, relies on shaking hands of modulator-demodular unit 22 and modulator-demodular unit 23, by the communication between mine internal connection realization slave computer 21 and the host computer 24.Slave computer 21 also will be exported enabling signal, start servomotor 13, make the action of sensor gear train, shift sensor disk 7 onto measuring position or will be pulled away from and measure baffle plate 3.
Described signal conditioning circuit 16 is made of integrated circuit; Described slave computer 21 and host computer 24 are industrial computer.
Press said structure, sensor 1 is installed on the gravity pendulum 2, is vertical relation each other.Gravity pendulum 2 is subjected to action of gravity and seeks vertical direction all the time.The combined type inclination sensor is installed in the top of derrick 4 or near the place at top, the inclination that is used to measure derrick 4.When derrick 4 not during run-off the straight, measure baffle plate 3 and the gravity pendulum 2 parallel vertical direction that all are in, and and sensor 1 between do not have relative displacement, promptly combined type inclination sensor 1 is output as zero; When derrick 4 run-off the straights, measure the baffle plate 3 angle θ that thereupon tilts, and gravity pendulum 2 keeps vertical direction, measures between baffle plate 3 and the sensor 1 and will produce relative displacement Δ L.The length L of known gravity pendulum 2 calculates θ according to following formula:
In addition, as shown in Figure 3, the present invention can be with displacement transducer 8.1 and displacement transducer 8.2, displacement transducer 8.3 and displacement transducer 8.4 pairings, strictness is installed on the sensor disk 7 symmetrically, constitute the differential transducer of vertical direction and two groups of right-angled intersections of horizontal direction, measure the vertical shift and the horizontal-shift of head sheave 6 simultaneously.Sensor disk 7 is installed on the gravity pendulum 2, vertically is suspended on to measure baffle plate 3 the place aheads, and it is coaxial and parallel with head sheave 6 with head sheave 6 to measure baffle plate 3.When head sheave 6 not during run-off the straight, the combined type inclination sensor is output as zero; When head sheave 6 run-off the straights, to measure baffle plate 3 and also tilt thereupon, the combined type inclination sensor is output as
Y
Vertically=Y
1-Y
2Y
Level=Y
3-Y
4
In the formula: Y
1The output of-displacement transducer 8.1 (Hz);
Y
2The output of-displacement transducer 8.2 (Hz);
Y
3The output of-displacement transducer 8.3 (Hz);
Y
4The output of-displacement transducer 8.4 (Hz).
The output signal of combined type inclination sensor is delivered to signal conditioning circuit 16, carries out filtering, amplifies shaping and isolation processing; The signal of signal conditioning circuit 16 outputs is delivered to slave computer 21 and is carried out data acquisition; Slave computer 21 relies on modulator-demodular unit 22,23 to shake hands with host computer 24, communicates by letter by the mine internal connection; Host computer 24 is converted to actual shift value with the measurement data that the slave computer 21 that receives transmits through calculating, and shows, stores or print; Host computer 24 compares measurement result and predefined ultimate value.If the measurement result value of overstepping the extreme limit, host computer 24 are reported to the police automatically.Whole measuring process is carried out automatically in the control of computing machine with under coordinating, and need not human intervention, has realized the automatic monitoring of derrick of copper-mine.The present invention can monitor the inclination of derrick and head sheave in time, reliably, prevents the generation of derrick security incident effectively, and assurance mine production safety is carried out, and has a good application prospect.
Claims (9)
1. derrick of copper-mine safety automatic monitoring method, it is characterized in that: by on derrick, establishing the measurement baffle plate, and with being located on the gravity pendulum and the displacement transducer vertical with gravity pendulum detect to be measured relative displacement between baffle plate and the displacement transducer, displacement transducer is delivered to signal conditioning circuit with detected signal, carry out filtering, amplify shaping and isolation processing, the signal of signal conditioning circuit output is delivered to slave computer and is carried out data acquisition; Slave computer and host computer rely on modulator-demodular unit to shake hands, and communicate by letter by the mine internal connection; After the measurement data that host computer transmits the slave computer that receives is converted to actual shift value through calculating, shows, store or print; Host computer compares the ultimate value of measurement result and setting, if the measurement result value of overstepping the extreme limit, host computer is reported to the police automatically.
2. method according to claim 1, it is characterized in that: described displacement transducer is the differential transducer in two groups of right-angled intersections of vertical direction and horizontal direction setting, measures baffle plate and connects firmly the perpendicular displacement and the horizontal shift of measuring head sheave simultaneously on the sky of derrick wheel shaft.
3. derrick of copper-mine safety automated watch-keeping facility, comprise sensor and signal conditioning circuit, it is characterized in that: be provided with gravity pendulum, gravity pendulum is installed in the top of derrick or near the place at top, sensor is installed on the gravity pendulum, and vertical with gravity pendulum, and the measurement point of sensor is provided with the measurement baffle plate, measure baffle plate and be fixed on the derrick, the output terminal of sensor and the input end of signal conditioning circuit join.
4. automated watch-keeping facility according to claim 3, it is characterized in that: sensor is a differential transducer, differential transducer is made up of two groups of displacement transducers that sensor disk, vertical direction and horizontal direction are arranged on the sensor disk, sensor disk is installed on the gravity pendulum, vertically be suspended on and measure baffle plate the place ahead, sensor disk, displacement transducer, measurement baffle plate constitute the combined type inclination sensor together.
5. automated watch-keeping facility according to claim 4 is characterized in that: measure baffle plate and connect firmly on the sky of derrick wheel shaft.
6. according to claim 3 or 4 or 5 described automated watch-keeping facilities, it is characterized in that: described signal conditioning circuit is made of filtering circuit, amplifier, shaping circuit, buffer circuit; The output terminal of filtering circuit connects amplifier input terminal, and the output terminal of amplifier connects the input end of shaping circuit, and the output terminal of shaping circuit connects the input end of buffer circuit; Be provided with slave computer, the output terminal of buffer circuit connects the data collecting card input end of slave computer.
7. according to claim 3 or 4 or 5 described automated watch-keeping facilities, it is characterized in that: be provided with servomotor and gear train, servomotor enters by gear train driving sensor dish or breaks away from the working position.
8. automated watch-keeping facility according to claim 6 is characterized in that: be provided with host computer, host computer is connected with slave computer by modulator-demodular unit, mine internal connection.
9. derrick of copper-mine safety automated watch-keeping facility according to claim 8, it is characterized in that: described signal conditioning circuit is made of integrated circuit; Described host computer and slave computer are industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138850 CN1207536C (en) | 2002-07-30 | 2002-07-30 | Autoamtic monitor method and device for safety of mining headframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138850 CN1207536C (en) | 2002-07-30 | 2002-07-30 | Autoamtic monitor method and device for safety of mining headframe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1397785A CN1397785A (en) | 2003-02-19 |
| CN1207536C true CN1207536C (en) | 2005-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02138850 Expired - Fee Related CN1207536C (en) | 2002-07-30 | 2002-07-30 | Autoamtic monitor method and device for safety of mining headframe |
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| CN (1) | CN1207536C (en) |
Families Citing this family (8)
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| CN100442014C (en) * | 2005-04-14 | 2008-12-10 | 上海交通大学 | Caisson slope trend predicting system for unmanned air pressure caisson working |
| CN100465585C (en) * | 2007-04-28 | 2009-03-04 | 西南石油大学 | Drilling well headframe plane rocking test set |
| CN102519429A (en) * | 2011-12-19 | 2012-06-27 | 罗江临 | Method for drawing measured object engineering drawing in real time in engineering measurement |
| CN104482920A (en) * | 2014-12-22 | 2015-04-01 | 德胜（苏州）洋楼有限公司 | Tilting device for detecting wooden house |
| CN106705929B (en) * | 2017-01-23 | 2022-07-08 | 河南工业大学 | Building inclination dynamic measuring instrument and using method thereof |
| CN107085853B (en) * | 2017-05-04 | 2019-08-27 | 中国矿业大学 | Guide rail single eye stereo vision mining area derrick deformation monitoring method |
| CN111721398B (en) * | 2020-06-23 | 2022-06-17 | 赵新华 | Beam-pumping unit support top amplitude detection device |
| CN112112306B (en) * | 2020-09-25 | 2021-06-08 | 山东黄金矿业(鑫汇)有限公司 | Intelligent monitoring and protecting system for mine derrick |
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2002
- 2002-07-30 CN CN 02138850 patent/CN1207536C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1397785A (en) | 2003-02-19 |
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