CN2555495Y - Safety automatic monitor for mine derrick - Google Patents
Safety automatic monitor for mine derrick Download PDFInfo
- Publication number
- CN2555495Y CN2555495Y CN 02278544 CN02278544U CN2555495Y CN 2555495 Y CN2555495 Y CN 2555495Y CN 02278544 CN02278544 CN 02278544 CN 02278544 U CN02278544 U CN 02278544U CN 2555495 Y CN2555495 Y CN 2555495Y
- Authority
- CN
- China
- Prior art keywords
- sensor
- derrick
- circuit
- baffle plate
- gravity pendulum
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a safe automatic monitoring device for mine derricks, which comprises a sensor and a signal conditioning circuit. The utility model has the key point that a gravity pendulum is arranged and installed on the top of the derrick or near the top. The sensor is installed on the gravity pendulum and is perpendicular to the gravity pendulum. The measuring point of the sensor is provided with a measuring baffle plate fixed to the derrick. The output end of the sensor is connected with the input end of the signal conditioning circuit. The utility model can duly and reliably monitor the incline of the derrick and a head sheave, efficiently prevent safety misadventure from happening and guarantee the safety of production in mines.
Description
Technical field
The utility model relates to a kind of derrick of copper-mine safety automated watch-keeping facility.
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.
The utility model content
Problem to be solved in the utility model provides a kind of derrick of copper-mine safety automated watch-keeping facility, this automated watch-keeping facility is not subjected to the restriction of factors such as geographical environment, be not subjected to stochastic factor such as monitoring personnel, realize the round-the-clock monitoring of derrick of copper-mine safety, and measurement is reliable, precision is high.
The technical scheme that the utility model provides is: 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 utility model is provided with servomotor and gear train, and servomotor enters by gear train driving sensor dish or breaks away from the working position.
The utility model 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 utlity model has following advantage and good effect:
1. currently used how much observations are a kind of periodic personal monitorings, and the utility model are a kind of automated watch-keeping facilities, can carry out continuously derrick of copper-mine safety, monitoring automatically.
2. this monitoring device 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 host computer of this system and the division of labor of front end processor are clear and definite.The signals collecting of system 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 utility model;
Fig. 2 adopts the structural representation of differential transducer for the utility model;
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 utility model.
Embodiment
Referring to Fig. 1～Fig. 4, the utility model comprises 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 vertical with gravity pendulum 2, and the measurement point of sensor 1 is provided with measures baffle plate 3, measure baffle plate 3 and be fixed on the derrick 4, 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 (8.1,8.2,8.3,8.4) 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, 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 utility model also can be installed 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 utility model 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 utility model 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.
The ultimate principle of the utility model application sensors, 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.
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 utility model 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
4In 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 utility model can be monitored 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 (7)
1. 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.
2. automated watch-keeping facility according to claim 1, 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.
3. automated watch-keeping facility according to claim 2 is characterized in that: measure baffle plate and connect firmly on the sky of derrick wheel shaft.
4. according to claim 1 or 2 or 3 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.
5. according to claim 1 or 2 or 3 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.
6. automated watch-keeping facility according to claim 4 is characterized in that: be provided with host computer, host computer is connected with slave computer by modulator-demodular unit, mine internal connection.
7. derrick of copper-mine safety automated watch-keeping facility according to claim 6, 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 02278544 CN2555495Y (en) | 2002-07-30 | 2002-07-30 | Safety automatic monitor for mine derrick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02278544 CN2555495Y (en) | 2002-07-30 | 2002-07-30 | Safety automatic monitor for mine derrick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2555495Y true CN2555495Y (en) | 2003-06-11 |
Family
ID=33741866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02278544 Expired - Lifetime CN2555495Y (en) | 2002-07-30 | 2002-07-30 | Safety automatic monitor for mine derrick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2555495Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110996A (en) * | 2022-06-24 | 2022-09-27 | 安徽省昌昊矿山设计研究有限公司 | Nonmetal underground mine monitoring system and method |
-
2002
- 2002-07-30 CN CN 02278544 patent/CN2555495Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110996A (en) * | 2022-06-24 | 2022-09-27 | 安徽省昌昊矿山设计研究有限公司 | Nonmetal underground mine monitoring system and method |
| CN115110996B (en) * | 2022-06-24 | 2023-02-28 | 安徽省昌昊矿山设计研究有限公司 | Nonmetal underground mine monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |