CN111332971A - Speed regulation control device suitable for mining endless rope winch - Google Patents
Speed regulation control device suitable for mining endless rope winch Download PDFInfo
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- CN111332971A CN111332971A CN202010274810.1A CN202010274810A CN111332971A CN 111332971 A CN111332971 A CN 111332971A CN 202010274810 A CN202010274810 A CN 202010274810A CN 111332971 A CN111332971 A CN 111332971A
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- speed
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- speed regulation
- motor
- rope winch
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 31
- 238000005065 mining Methods 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
- B66D1/485—Control devices automatic electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention relates to a speed regulation control device suitable for a mining endless rope winch, which comprises a power supply transformer, a low-voltage feed cabinet, a PLC control operation integrated box, a variable frequency speed regulation system, a motor and mechanical equipment arranged on a track, wherein the output end of the power supply transformer is connected with the input end of the low-voltage feed cabinet, the output end of the low-voltage feed cabinet is connected with the input end of the variable frequency speed regulation system, the output end of the variable frequency speed regulation system is connected with the output end of the motor, and the motor is connected with the mechanical equipment. According to the speed regulation control device suitable for the mining endless rope winch, the working efficiency of the motor is regulated through the variable frequency speed regulation system, the moving speed of mechanical equipment is regulated, meanwhile, the speed measurement system is utilized to detect the moving speed of the mechanical equipment, if the moving speed of the mechanical equipment is found to be abnormal, the electric speed regulation device is driven to stop the mechanical equipment and detect the mechanical equipment, and the running safety of the equipment is greatly improved.
Description
Technical Field
The invention belongs to the technical field of speed regulation control of endless rope winches, and particularly relates to a speed regulation control device suitable for a mining endless rope winch.
Background
The endless rope winch is a simple, efficient and safe underground coal mine auxiliary transportation tool which is commonly used in coal mines, has long transportation distance, can adapt to multiple variable slopes and multiple bent lanes, and simplifies transportation links and equipment; due to the advantages, the endless rope winch is well applied and popularized in the underground coal mine in recent years.
At present, an endless rope winch realizes speed regulation and forward and reverse control through a mining frequency converter; the brake is realized through the working brake. In the application process, when the winch is started and the working brake is loosened under the conditions of large gradient and heavy load in the conventional endless rope winch system, the moment of the main motor controlled by the frequency converter cannot reach the maximum value, and the winch has a slope slipping phenomenon at the moment, so that safety accidents are easily caused.
Disclosure of Invention
The invention aims to solve the problems and provides a speed regulation control device which is simple in structure and reasonable in design and is suitable for a mining endless rope winch.
The invention realizes the purpose through the following technical scheme:
a speed regulation control device suitable for a mining endless rope winch comprises a power supply transformer, a low-voltage feed cabinet, a PLC control operation integrated box, a variable frequency speed regulation system, a motor and mechanical equipment arranged on a track, wherein the output end of the power supply transformer is connected with the input end of the low-voltage feed cabinet, the output end of the low-voltage feed cabinet is connected with the input end of the variable frequency speed regulation system, the output end of the variable frequency speed regulation system is connected with the output end of the motor, the motor is connected with the mechanical equipment, the mechanical equipment is provided with a speed measurement regulating system, and the speed measurement regulating system is electrically connected with the PLC control operation integrated box;
the speed measurement adjusting system comprises an electric speed regulating device and a speed measurement system, and the speed measurement adjusting system is arranged between the mechanical equipment and the track.
As a further optimization scheme of the invention, the speed measurement system comprises an interpreter arranged on the mechanical equipment and a plurality of RFID tags arranged on the side of the track, and the RFID tags are equidistantly distributed on the side of the track.
As a further optimization scheme of the invention, the variable-frequency speed regulation system comprises a filter and a frequency converter, wherein the input end of the filter is connected with the output end of the low-voltage feed cabinet, and the output end of the frequency converter is connected with the input end of the motor.
As a further optimization scheme of the invention, a PLC system, a hardware circuit and an operating system are arranged in the PLC control and operation integrated box, the PLC system is connected with the speed measurement adjusting system, and the hardware circuit is connected with the frequency converter.
As a further optimization scheme of the invention, the PLC control and operation integrated box is externally connected with a leakage communication system.
The invention has the beneficial effects that:
1) the working output of the frequency converter is controlled by the PLC control operation integrated box, so that the moving speed of the motor-driven endless rope winch is controlled, the moving speed of the endless rope winch is detected in real time by the speed measuring system in the moving process, once the moving speed of the endless rope winch is abnormal or inconsistent with the speed which is required to be reached by the output power of the motor, the movement of the endless rope winch is limited by wirelessly controlling the electric speed regulating device, the motor is stopped to work, the endless rope winch and each connecting driving part are detected and maintained in time, and the operation safety of the whole device can be greatly improved;
2) according to the invention, the RFID tags are equidistantly arranged on the side of the track, then the reader is used for detecting the tags and transmitting data to the PLC control operation integrated box for display and data comparison, so that the running speed of the device can be known in real time and compared, the accidental situations in the running of the device are prevented, and the safety is higher;
3) the invention has simple structure, high stability, reasonable design and convenient realization.
Drawings
Fig. 1 is a block diagram of the overall structure of the present invention.
In the figure: 1. a power supply transformer; 2. a low-voltage feed cabinet; 3. the PLC controls and operates the integrated box; 301. a PLC system; 302. a hardware circuit; 303. an operating system; 4. a variable frequency speed control system; 401. a filter; 402. a frequency converter; 5. a motor; 6. a mechanical device; 7. a speed measurement adjusting system; 701. an electric speed regulation device; 702. a speed measuring system; 8. a leaky communication system.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1, a speed regulation control device suitable for a mining endless rope winch comprises a power supply transformer 1, a low-voltage feed cabinet 2, a PLC control operation integrated box 3, a variable-frequency speed regulation system 4, a motor 5 and a mechanical device 6 arranged on a track, wherein the output end of the power supply transformer 1 is connected with the input end of the low-voltage feed cabinet 2, the output end of the low-voltage feed cabinet 2 is connected with the input end of the variable-frequency speed regulation system 4, the output end of the variable-frequency speed regulation system 4 is connected with the output end of the motor 5, the motor 5 is connected with the mechanical device 6, a speed measurement regulating system 7 is arranged on the mechanical device 6, and the speed measurement regulating system 7 is electrically connected;
the speed measurement adjusting system 7 comprises an electric speed regulating device 701 and a speed measurement system 702, the speed measurement adjusting system 7 is arranged between the mechanical equipment 6 and a track, the electric speed regulating device 701 can adopt an electric control brake to control the movement of the mechanical equipment 6, and when the speed measurement system 702 detects that the movement speed of the mechanical equipment 6 is abnormal, the movement of the mechanical equipment 6 can be limited, so that accidents are prevented;
the speed measurement system 702 comprises an interpreter arranged on the mechanical equipment 6 and a plurality of RFID tags arranged on the side of a track, wherein the RFID tags are equidistantly distributed on the side of the track, the mechanical equipment 6 moves on the track under the drive of the motor 5 and the steel cable, the interpreter on the mechanical equipment 6 can detect the equidistant RFID tags in real time in the moving process, the number of the detected RFID tags in one time is used for calculating the running path, the detected running path is divided by the time to measure the real-time running speed of the mechanical equipment 6, and the shorter the detection time interval is, the shorter the time period is, the higher the test accuracy is, so that the higher the safety of the whole device is;
the variable-frequency speed regulation system 4 comprises a filter 401 and a frequency converter 402, wherein the input end of the filter 401 is connected with the output end of the low-voltage feed cabinet 2, the output end of the frequency converter 402 is connected with the input end of the motor 5, the filter 401 box mainly comprises an input reactor for filtering, and for a high-power frequency converter, an output filter can be provided, the frequency converter 402 is the core of variable-frequency speed regulation of the endless rope winch and is internally composed of a rectifier, a direct-current filter, an inverter and the like;
the PLC control and operation integrated box 3 is internally provided with a PLC system 301, a hardware circuit 302 and an operation system 303, the PLC system 301 is connected with a speed measurement adjusting system 7, the hardware circuit 302 is connected with a frequency converter 402, and the endless rope electric control equipment is required to work in a dry, ventilated and non-corrosive gas chamber, and is preferably placed on a cement platform or a steel bracket above the ground. The rear side of the equipment is required to keep a distance of about 0.5-1m from the wall surface, and the distance of more than 1.5m is also required to be kept between the equipment, so that heat dissipation and wiring are facilitated. The distance between the power equipment (such as a transformer, a switch, a filter 401, a frequency converter 402 and a motor 5) and the control equipment (a PLC control operation integrated box and a leakage communication system) is far as possible, so that interference is avoided;
the PLC control operation integrated box 3 is externally connected with a leakage communication system 8, and the system safety is improved.
It should be noted that the operation output of the frequency converter 402 is controlled by the PLC control operation integrated box 3, so as to control the moving speed of the motor 5 driving the endless rope winch, during the moving process, the moving speed of the endless rope winch is detected in real time by the speed measurement system 702, once the moving speed of the endless rope winch is found to be abnormal or inconsistent with the speed which should be reached by the output power of the motor 5, the movement of the endless rope winch is limited by wirelessly controlling the electric speed regulation device 701, and the motor 5 is stopped at the same time, and the endless rope winch and each connection driving part are detected and maintained in time, so that the operation safety of the whole device can be greatly improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (5)
1. The utility model provides a speed governing control device suitable for mining electrodeless rope winch, includes power supply transformer (1), low pressure feed cabinet (2), integrative case of PLC control operation (3), variable frequency speed control system (4), motor (5) and locates mechanical equipment (6) on the track, the output of power supply transformer (1) is connected with the input of low pressure feed cabinet (2), the output of low pressure feed cabinet (2) is connected with the input of variable frequency speed control system (4), the output of variable frequency speed control system (4) is connected with the output of motor (5), motor (5) are connected with mechanical equipment (6), its characterized in that: the mechanical equipment (6) is provided with a speed measuring and adjusting system (7), and the speed measuring and adjusting system (7) is electrically connected with the PLC control and operation integrated box (3);
the speed measurement adjusting system (7) comprises an electric speed regulating device (701) and a speed measurement system (702), and the speed measurement adjusting system (7) is arranged between the mechanical equipment (6) and the track.
2. The speed regulation control device suitable for the mining endless rope winch according to claim 1, characterized in that: the speed measuring system (702) comprises an interpreter arranged on the mechanical equipment (6) and a plurality of RFID tags arranged on the side of the track, and the plurality of RFID tags are equidistantly distributed on the side of the track.
3. The speed regulation control device suitable for the mining endless rope winch according to claim 1, characterized in that: the variable-frequency speed regulation system (4) comprises a filter (401) and a frequency converter (402), wherein the input end of the filter (401) is connected with the output end of the low-voltage feed cabinet (2), and the output end of the frequency converter (402) is connected with the input end of the motor (5).
4. The speed regulation control device suitable for the mining endless rope winch according to claim 1, characterized in that: the PLC control and operation integrated box (3) is internally provided with a PLC system (301), a hardware circuit (302) and an operation system (303), the PLC system (301) is connected with a speed measuring and adjusting system (7), and the hardware circuit (302) is connected with a frequency converter (402).
5. The speed regulation control device suitable for the mining endless rope winch according to claim 1, characterized in that: the PLC control operation integrated box (3) is externally connected with a leakage communication system (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274810.1A CN111332971A (en) | 2020-04-09 | 2020-04-09 | Speed regulation control device suitable for mining endless rope winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274810.1A CN111332971A (en) | 2020-04-09 | 2020-04-09 | Speed regulation control device suitable for mining endless rope winch |
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|---|---|
| CN111332971A true CN111332971A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010274810.1A Pending CN111332971A (en) | 2020-04-09 | 2020-04-09 | Speed regulation control device suitable for mining endless rope winch |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007008638A (en) * | 2005-06-29 | 2007-01-18 | Mitsubishi Electric Corp | Position detection device for elevator car |
| CN202415057U (en) * | 2011-12-30 | 2012-09-05 | 北京中纺锐力机电有限公司 | Electric control system for winch |
| CN204778550U (en) * | 2015-05-11 | 2015-11-18 | 芜湖卓源自动化技术有限公司 | Colliery endless rope hoist's timing control ware |
| CN205086943U (en) * | 2015-09-29 | 2016-03-16 | 刘德芝 | Two -way trailing trailer of hydraulic braking |
| WO2019210884A1 (en) * | 2018-07-17 | 2019-11-07 | 山东科技大学 | Anti-runaway cart self-adjusting buffering system for inclined path transportation, and application thereof |
| CN212174304U (en) * | 2020-04-09 | 2020-12-18 | 平安开诚智能安全装备有限责任公司 | Speed regulation control device suitable for mining endless rope winch |
-
2020
- 2020-04-09 CN CN202010274810.1A patent/CN111332971A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007008638A (en) * | 2005-06-29 | 2007-01-18 | Mitsubishi Electric Corp | Position detection device for elevator car |
| CN202415057U (en) * | 2011-12-30 | 2012-09-05 | 北京中纺锐力机电有限公司 | Electric control system for winch |
| CN204778550U (en) * | 2015-05-11 | 2015-11-18 | 芜湖卓源自动化技术有限公司 | Colliery endless rope hoist's timing control ware |
| CN205086943U (en) * | 2015-09-29 | 2016-03-16 | 刘德芝 | Two -way trailing trailer of hydraulic braking |
| WO2019210884A1 (en) * | 2018-07-17 | 2019-11-07 | 山东科技大学 | Anti-runaway cart self-adjusting buffering system for inclined path transportation, and application thereof |
| CN212174304U (en) * | 2020-04-09 | 2020-12-18 | 平安开诚智能安全装备有限责任公司 | Speed regulation control device suitable for mining endless rope winch |
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