CN111732010A - Control system and control method for mining winch - Google Patents
Control system and control method for mining winch Download PDFInfo
- Publication number
- CN111732010A CN111732010A CN202010400691.XA CN202010400691A CN111732010A CN 111732010 A CN111732010 A CN 111732010A CN 202010400691 A CN202010400691 A CN 202010400691A CN 111732010 A CN111732010 A CN 111732010A
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- Prior art keywords
- winch
- rail
- programmable controller
- car
- control system
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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
- B66D1/08—Driving gear incorporating fluid 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a control system for a mining winch, which comprises a programmable controller, an encoder module and a car arrester, wherein the encoder module and the car arrester are used as distance measuring sensors, and a car arrester executing device consisting of an electromagnetic commutator and a hydraulic device is arranged in the car arrester; by adopting the technical scheme, the winch control system has a plurality of automatic control functions of vehicle stopping, so that the winch control system is safer and more reliable to operate and has more stable performance.
Description
Technical Field
The invention belongs to the field of coal mine processing, and particularly relates to a control system and a control method for a mining winch.
Background
The mining winch is one of transportation tools commonly used in the coal mine processing and conveying process, a car arrester is matched with the winch to run on a rail, the use and the matching between the winch and the car arrester are one of important factors for maintaining coal mine production, a mode of installing a position sensor on the winch is generally adopted in the prior art, and a position signal is received by a background to control the car arrester to start.
Disclosure of Invention
The invention aims to provide a control system and a control method thereof for a mining winch, which have stable and reliable safety control performance and are in a good working operation state.
In order to achieve the purpose, the invention adopts the technical scheme that:
a control system for a mining winch comprises a programmable controller, an encoder module used as a distance measuring sensor and a car arrester, wherein a car arrester executing device composed of an electromagnetic commutator and a hydraulic device is arranged in the car arrester;
the programmable controller is provided with a signal input end connected with the encoder module, the encoder module is arranged on a speed reducer arranged in the mining winch, the programmable controller obtains position information of the winch and speed information of the winch by receiving signals of the encoder module, and outputs control signals to the car stopping execution device to start the car stopper to hold or loosen the track.
The invention discloses a control system for a mining winch, wherein a power module for supplying power to a car stopping execution device and a programmable controller is further arranged in the system, and the power module is provided with a plurality of voltage output ends which are respectively connected with the programmable controller, an electromagnetic directional valve and a hydraulic device.
The invention discloses a control system for a mining winch, wherein an encoder module comprises a main encoder and an auxiliary encoder which are arranged on a speed reducer, and the type of the encoder module is Mitsubishi FX2N-80 MR.
The invention discloses a control system for a mining winch, wherein a hydraulic device comprises a hydraulic motor and a three-position four-way electromagnetic directional valve, a programmable controller is connected to the three-position four-way electromagnetic directional valve through an electromagnetic directional device and is connected to the hydraulic motor, and the electromagnetic directional valve is controlled to control the output pressure of the hydraulic motor to control the starting of a car arrester.
The invention discloses a control system for a mining winch, wherein a speed reducer connected with a winch drum is arranged in the winch, a winch motor is arranged at the power input end of the speed reducer, and an encoder module is arranged on the cylindrical surface of a rolling shaft of the speed reducer.
The invention discloses a control method for a mining winch, which comprises the following steps:
s1, when the hydraulic winch is started, the programmable controller of the winch room generates pulses to the encoder, counts the pulses, and converts the signals counted by the programmable controller into the rotation angle and the rotation direction of the winch, so as to judge the current position and the current running direction of the mine car;
s2, if the position of the mine car is detected to be at a preset 'rail loosing' point of a certain rail car arrester, the main controller sends out a rail loosing instruction and simultaneously sends the rail loosing instruction to a hydraulic motor of the automatic control device of the car arrester and a first electromagnet of an electromagnetic reversing valve, so that the controlled car arrester starts to realize the action of loosing the rail; on the same principle, when the position of the mine car is detected to run to a rail holding point set by the rail arrester, the programmable controller sends a rail holding instruction to the hydraulic motor and the second electromagnet of the electromagnetic reversing valve of the device, so that the controlled rail arrester can hold the rail tightly.
The invention discloses a control method for a mining winch, wherein in the step S2, if a mine car descends, a hydraulic winch stopping device is in a standby state, a main control power supply of a programmable controller is switched on, and the winch starts to be started. When the tramcar runs to a first set value of a counter in the programmable controller, a 'rail loosening' signal is sent out, a hydraulic motor of the car arrester device starts to be started, meanwhile, a second electromagnet of the electromagnetic commutator is electrified, and the electromagnetic reversing valve moves leftwards;
and otherwise, when the mine car runs to a second set value, a rail holding signal is sent out, the hydraulic motor starts to start, meanwhile, the first electromagnet of the electromagnetic commutator is electrified, the second electromagnet is powered off, and then the reversing valve moves rightwards.
By adopting the technical scheme, the automatic control device of the car arrester of the coal mine hydraulic winch is popularized and applied in the winch electric control field based on the programmable logic controller as the core technology, and realizes the main purposes of automatic control and corresponding function completion by combining the actual running condition of the winch and the basic requirement of a lifting low-frequency electric control system; the application of the control technology reflects the innovation extension and the expansion of improving a technical innovation in the peripheral equipment group again. Compared with the traditional mine car arrester device (manually operated car arrester), the hydraulic winch car arrester automatic control device has a plurality of automatic control functions of car arrester, so that a winch control system is safer and more reliable to operate, has more stable performance, and has a comprehensive popularization and application prospect in the field of mine inclined shaft rail lifting.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a signal connection schematic of the control system of the present invention;
FIG. 2 is a schematic diagram of a hydraulic apparatus of the present invention;
FIG. 3 is a schematic diagram of the installation of the encoder module and the drawworks of the present invention.
Labeled as: 1. a car arrester; 2. a hydraulic cylinder; 3. an electromagnetic directional valve; 4. a hydraulic motor; 5. a filter; 6. a cooler; 7. a connecting member; 8. a one-way valve; 9. an oil cylinder; 10. a winch drum; 11. a speed reducer; 12. a primary encoder; 13. a sub-encoder; 14. a connecting shaft; 15. a winch motor;
y1: a first electromagnet; y2: a second electromagnet.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail for the purpose of providing a more complete, accurate and thorough understanding of the inventive concepts and technical solutions of the present invention, including the shapes of the components, the structures, the mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes, the operation and use methods, and the like.
Fig. 1 is a signal connection schematic diagram of a control system according to the present invention, and the control system for a mining winch shown in fig. 1 includes a programmable controller, an encoder module used as a distance measuring sensor, and a car arrester, wherein a car arrester executing device composed of an electromagnetic commutator and a hydraulic device is arranged in the car arrester;
the programmable controller is provided with a signal input end connected with an encoder module, the encoder module is arranged on a speed reducer arranged in the mining winch, and the programmable controller acquires position information of the winch and speed information of the winch by receiving signals of the encoder module and outputs control signals to the car stopping execution device to start the car stopper to clamp or loosen the track; the system is also internally provided with a power module for supplying power to the car stopping execution device and the programmable controller, and the power module is provided with a plurality of voltage output ends which are respectively connected with the programmable controller, the electromagnetic directional valve and the hydraulic device.
Fig. 2 is a schematic diagram of the hydraulic apparatus of the present invention, which includes a hydraulic motor and a three-position four-way electromagnetic directional valve, the programmable controller is connected with the three-position four-way electromagnetic directional valve 3 and the hydraulic motor 4 through an electromagnetic commutator, and controls the electromagnetic directional valve 3 to control the hydraulic motor 4 to output pressure to control the car arrester 1 to start, the hydraulic device in the figure further comprises a filter 5, a cooler 6, a connecting part 7, a one-way valve 8 and an oil cylinder 9 which are all conventional parts of the hydraulic device, only as shown in the figure, the car arrester 1 is connected with the hydraulic cylinder 2 through the connecting part 7, the hydraulic cylinder 2 is connected with the one-way valve 8 through an electromagnetic directional valve, the other end of the one-way valve 8 is connected with the hydraulic motor 4 and is connected with the oil cylinder 9 through the hydraulic motor, and the cooler 6 is arranged at an interaction position between the electromagnetic directional valve 3 and the hydraulic motor 4.
Fig. 3 is an installation schematic diagram of the encoder module and the winch of the present invention, the winch is provided with a speed reducer 11 connected with a winch drum 10, a winch motor 15 is arranged at a power input end of the speed reducer 11, the encoder module is arranged on a cylindrical surface of a roller 10 of the speed reducer, the encoder module comprises a main encoder 12 and an auxiliary encoder 13 which are arranged on the speed reducer 11, and the encoder module is of a mitsubishi FX2N-80MR type.
The specific control method comprises the following steps:
s1, when the hydraulic winch is started, the programmable controller of the winch room generates pulses to the encoder, counts the pulses, and converts the signals counted by the programmable controller into the rotation angle and the rotation direction of the winch, so as to judge the current position and the current running direction of the mine car;
s2, if the position of the mine car is detected to be at a preset 'rail loosing' point of a certain rail car arrester, the main controller sends out a rail loosing instruction and simultaneously sends the instruction to a hydraulic motor of the automatic control device of the car arrester and a first electromagnet Y1 of an electromagnetic directional valve, so that the controlled car arrester starts to realize the action of loosing the rail; in the same principle, when the position of the tramcar is detected to run to the 'rail holding' point set by the tramcar arrester, the programmable controller sends a rail holding command to a hydraulic motor of the device and a second electromagnet Y2 of the electromagnetic directional valve, so that the controlled tramcar arrester realizes the rail holding action.
If the tramcar descends in the step S2, the hydraulic winch stopping device is in a standby state, the main control power supply of the programmable controller is switched on, and the winch starts to be started. When the tramcar runs to the first set value of the counter in the programmable controller, a 'rail loosening' signal is sent out, the hydraulic motor of the car arrester device starts to be started, meanwhile, the second electromagnet Y2 of the electromagnetic commutator is electrified, and the electromagnetic reversing valve moves leftwards;
and on the contrary, when the running of the mine car reaches a second set value, a rail holding signal is sent, the hydraulic motor starts to be started, meanwhile, the first electromagnet Y1 of the electromagnetic commutator is electrified, the second electromagnet Y2 is powered off, and then the reversing valve moves rightwards.
By adopting the technical scheme, the automatic control device of the car arrester of the coal mine hydraulic winch is popularized and applied in the winch electric control field based on the programmable logic controller as the core technology, and realizes the main purposes of automatic control and corresponding function completion by combining the actual running condition of the winch and the basic requirement of a lifting low-frequency electric control system; the application of the control technology reflects the innovation extension and the expansion of improving a technical innovation in the peripheral equipment group again. Compared with the traditional mine car arrester device (manually operated car arrester), the hydraulic winch car arrester automatic control device has a plurality of automatic control functions of car arrester, so that a winch control system is safer and more reliable to operate, has more stable performance, and has a comprehensive popularization and application prospect in the field of mine inclined shaft rail lifting.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (7)
1. A control system for a mining winch is characterized by comprising a programmable controller, an encoder module used as a distance measuring sensor and a car arrester, wherein a car arrester executing device consisting of an electromagnetic commutator and a hydraulic device is arranged in the car arrester;
the programmable controller is provided with a signal input end connected with the encoder module, the encoder module is arranged on a speed reducer arranged in the mining winch, the programmable controller obtains position information of the winch and speed information of the winch by receiving signals of the encoder module, and outputs control signals to the car stopping execution device to start the car stopper to hold or loosen the track.
2. The mining winch control system according to claim 1, wherein a power module for supplying power to the car stopping actuator and the programmable controller is further provided in the system, and the power module is provided with a plurality of voltage output terminals respectively connected to the programmable controller, the electromagnetic directional valve and the hydraulic device.
3. The control system for a mining winch according to claim 1, characterized in that the encoder module comprises a primary encoder and a secondary encoder, of the type mitsubishi FX2N-80MR, provided on the reduction gear.
4. The control system for the mining winch according to claim 1, wherein the hydraulic device comprises a hydraulic motor and a three-position four-way electromagnetic directional valve, the programmable controller is connected to the three-position four-way electromagnetic directional valve through an electromagnetic directional device and connected to the hydraulic motor, and the electromagnetic directional valve is controlled to control the output pressure of the hydraulic motor to control the starting of the car arrester.
5. The control system for the mining winch according to claim 1, wherein a speed reducer connected with the winch drum is arranged in the winch, a winch motor is arranged at a power input end of the speed reducer, and the encoder module is arranged on a roller cylindrical surface of the speed reducer.
6. A control method for a mining winch including a control system for a mining winch according to any one of claims 1 to 5, characterised in that it includes the steps of:
s1, when the hydraulic winch is started, the programmable controller of the winch room generates pulses to the encoder, counts the pulses, and converts the signals counted by the programmable controller into the rotation angle and the rotation direction of the winch, so as to judge the current position and the current running direction of the mine car;
s2, if the position of the mine car is detected to be at a preset 'rail loosing' point of a certain rail car arrester, the main controller sends out a rail loosing instruction and simultaneously sends the rail loosing instruction to a hydraulic motor of the automatic control device of the car arrester and a first electromagnet of an electromagnetic reversing valve, so that the controlled car arrester starts to realize the action of loosing the rail; on the same principle, when the position of the mine car is detected to run to a rail holding point set by the rail arrester, the programmable controller sends a rail holding instruction to the hydraulic motor and the second electromagnet of the electromagnetic reversing valve of the device, so that the controlled rail arrester can hold the rail tightly.
7. The control method for the mining winch according to claim 6, wherein in the step S2, when the tramcar descends, the hydraulic winch blocking device is in a standby state, the programmable controller is powered on, and the winch starts to be started. When the tramcar runs to a first set value of a counter in the programmable controller, a 'rail loosening' signal is sent out, a hydraulic motor of the car arrester device starts to be started, meanwhile, a second electromagnet of the electromagnetic commutator is electrified, and the electromagnetic reversing valve moves leftwards;
and otherwise, when the mine car runs to a second set value, a rail holding signal is sent out, the hydraulic motor starts to start, meanwhile, the first electromagnet of the electromagnetic commutator is electrified, the second electromagnet is powered off, and then the reversing valve moves rightwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010400691.XA CN111732010A (en) | 2020-05-13 | 2020-05-13 | Control system and control method for mining winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010400691.XA CN111732010A (en) | 2020-05-13 | 2020-05-13 | Control system and control method for mining winch |
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| Publication Number | Publication Date |
|---|---|
| CN111732010A true CN111732010A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010400691.XA Pending CN111732010A (en) | 2020-05-13 | 2020-05-13 | Control system and control method for mining winch |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB933377A (en) * | 1960-11-30 | 1963-08-08 | Demag Ag | Improvements in mine car track brakes |
| CN204314688U (en) * | 2014-12-31 | 2015-05-06 | 邢台思达电子有限公司 | A kind of electric controll winch system |
| CN104742935A (en) * | 2015-02-16 | 2015-07-01 | 杨杰 | Car blocking control device and method |
| CN104816739A (en) * | 2015-04-22 | 2015-08-05 | 淮北朔里矿业有限责任公司 | Hydraulic automatic control device of car stopper |
-
2020
- 2020-05-13 CN CN202010400691.XA patent/CN111732010A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB933377A (en) * | 1960-11-30 | 1963-08-08 | Demag Ag | Improvements in mine car track brakes |
| CN204314688U (en) * | 2014-12-31 | 2015-05-06 | 邢台思达电子有限公司 | A kind of electric controll winch system |
| CN104742935A (en) * | 2015-02-16 | 2015-07-01 | 杨杰 | Car blocking control device and method |
| CN104816739A (en) * | 2015-04-22 | 2015-08-05 | 淮北朔里矿业有限责任公司 | Hydraulic automatic control device of car stopper |
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Application publication date: 20201002 |
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| RJ01 | Rejection of invention patent application after publication |