CN218145458U - Control system of mining hydraulic boom type hoisting device - Google Patents
Control system of mining hydraulic boom type hoisting device Download PDFInfo
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- CN218145458U CN218145458U CN202222481106.0U CN202222481106U CN218145458U CN 218145458 U CN218145458 U CN 218145458U CN 202222481106 U CN202222481106 U CN 202222481106U CN 218145458 U CN218145458 U CN 218145458U
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Abstract
The utility model discloses a mining hydraulic boom formula hoisting accessory's control system, it includes: the explosion-proof motor, the mining explosion-proof and intrinsically safe vacuum electromagnetic starter, the LED locomotive lamp set, the explosion-proof early warning assembly and the wireless remote control system; the mining explosion-proof and intrinsically safe vacuum electromagnetic starter comprises a system power supply, an electromagnetic starter comprehensive protector and an intrinsic safety circuit, wherein the electromagnetic starter comprehensive protector is connected with an explosion-proof motor; the intrinsic safety circuit comprises an intrinsic safety component and an intrinsic safety loop, and the intrinsic safety component is respectively connected with the electromagnetic starter comprehensive protector and the intrinsic safety loop; the wireless remote control system comprises a remote control transmitter and a vehicle-mounted receiver. The utility model discloses can be through remote control system remote control mining flame-proof type asynchronous motor's starting, stop, have that the real-time nature is strong, compact structure, wiring are simple, the consumption is little, be convenient for characteristics such as installation and use.
Description
Technical Field
The utility model relates to the technical field of hoisting control, in particular to a control technology of a crawler-type double-arm hoisting device,
in particular to a control system of a mining hydraulic boom type hoisting device.
Background
The installation and the removal of various equipment in underground fully mechanized coal mining faces of various domestic coal mines need to realize the installation and the hoisting of underground equipment, such as a chain block to a crown block type assembly platform or a single-arm or double-arm manipulator; however, the existing equipment has certain problems, such as the chain block equipment has high requirements on personnel, an operator needs to operate under a lifted heavy piece, and the safety of the personnel needs to be considered in a key way; for example, an assembly platform with a crown block type structure occupies a large space when lifting objects, and due to the limitation of underground height, the equipment needs to dig a deep hole in an underground assembly chamber, namely the underground assembly is not easy to realize; for example, although a single-arm or double-arm manipulator is also suitable for the coal mine and the environment with explosive mixture gas such as methane, coal dust and the like in the surrounding medium, the control system of the existing equipment has the defects of incapability of remotely controlling the motor, incomplete circuit protection function and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mining hydraulic pressure cantilever crane's control system.
A control system of a mining hydraulic boom crane, comprising: the explosion-proof motor, the mining explosion-proof and intrinsically safe vacuum electromagnetic starter, the LED locomotive lamp set, the explosion-proof early warning assembly and the wireless remote control system; the mining explosion-proof and intrinsically safe vacuum electromagnetic starter comprises a system power supply, an electromagnetic starter comprehensive protector and an intrinsic safety circuit, wherein the electromagnetic starter comprehensive protector is connected with an explosion-proof motor; the intrinsic safety circuit comprises an intrinsic safety component and an intrinsic safety loop, and the intrinsic safety component is respectively connected with the electromagnetic starter comprehensive protector and the intrinsic safety loop; the wireless remote control system comprises a remote control transmitter and a vehicle-mounted receiver.
Further, the control system of the mining hydraulic boom type hoisting device further comprises: the methane gas power-off instrument is connected with the methane sensor.
Furthermore, the intrinsic safety component is connected with a system power supply through a UPS power circuit.
Further, the explosion-proof early warning assembly comprises an explosion-proof electric bell.
Further, the mining explosion-proof and intrinsically safe starter adopts a mining explosion-proof and intrinsically safe vacuum electromagnetic starter.
Furthermore, the remote control transmitter comprises a first MCU control circuit, a first power supply conversion unit, a first communication network interface unit, a switch acquisition unit, a handle acquisition unit, a first LED display unit and a first clock circuit; the first MCU control circuit is respectively connected with the first communication network interface unit, the switch acquisition unit, the handle acquisition unit, the LED display unit and the first clock circuit; one end of the first power supply conversion unit is connected with the explosion-proof battery and used for providing power for the first MCU control circuit, the first communication network interface unit, the switch acquisition unit, the handle acquisition unit, the first LED display unit and the first clock circuit.
Further, the vehicle-mounted receiver includes: the second MCU control circuit, the second power supply conversion unit, the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit; the second MCU control circuit is respectively connected with the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit; the second power supply conversion unit is connected with a DC24V power supply and is used for providing power for the second MCU control circuit, the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit.
The utility model has the advantages that:
the utility model is particularly suitable for in the colliery in the pit and the surrounding medium have explosive mixture gas such as methane, coal dust in the environment, can receive the data package that the handle unit sent through wireless communication mode through remote control system remote control mining flame-proof type asynchronous motor start, stop to carry out digital quantity and PWM's output according to functional logic, have characteristics such as strong in instantaneity, compact structure, wiring are simple, the consumption is little, be convenient for installation and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is a schematic circuit diagram of an embodiment of a control system of a mining hydraulic boom type lifting device;
fig. 2 is a schematic circuit diagram of an embodiment of a wireless remote control system-remote control transmitter;
fig. 3a and 3b are schematic structural diagrams of a wireless remote control system, namely a remote control transmitter;
FIG. 4 is a schematic circuit diagram of an embodiment of a wireless remote control system- -a vehicle-mounted receiver;
fig. 5 is a schematic structural diagram of a wireless remote control system, namely a vehicle-mounted receiver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 5, in the embodiment, a control system of a hydraulic boom type lifting device for a mine is provided, and the system is used for controlling a special lifting device for installing and dismantling various devices on a fully mechanized coal mining face in a coal mine, and can also be used for controlling lifting and carrying operations in other places in the mine.
Concretely, mining hydraulic pressure cantilever crane's control system, it includes: the explosion-proof motor, the mining explosion-proof and intrinsically safe vacuum electromagnetic starter, the LED locomotive lamp set, the explosion-proof early warning assembly and the wireless remote control system; the mining explosion-proof and intrinsically safe vacuum electromagnetic starter comprises a system power supply, an electromagnetic starter comprehensive protector and an intrinsic safety circuit, wherein the electromagnetic starter comprehensive protector is connected with an explosion-proof motor; the intrinsic safety circuit comprises an intrinsic safety component and an intrinsic safety loop, and the intrinsic safety component is respectively connected with the electromagnetic starter comprehensive protector and the intrinsic safety loop; the wireless remote control system comprises a remote control transmitter and a vehicle-mounted receiver. The transmitter and the receiver form a remote control system which is communicated with each other, and the remote control system is particularly suitable for mines with explosive gas (methane) and coal dust and used as a remote control system of a hoisting device. The starter is particularly suitable for being used in a circuit with 50Hz alternating current, 660V or 1140V voltage and rated current of 60A, can be used for directly or remotely controlling the starting and stopping of the mining explosion-proof three-phase squirrel-cage asynchronous motor, and can carry out commutation when the controlled motor stops.
Further, the control system of the mining hydraulic boom type hoisting device further comprises: the methane gas power-off instrument is connected with the methane sensor.
Furthermore, the intrinsic safety component is connected with a system power supply through a UPS power circuit.
Further, the explosion-proof early warning assembly comprises an explosion-proof electric bell.
Furthermore, the mining explosion-proof and intrinsic safety type starter adopts a mining explosion-proof and intrinsic safety type vacuum electromagnetic starter，For example, a QJZ-60/1140 (660) series mining explosion-proof and intrinsically safe vacuum electromagnetic starter can be used, and further, the vacuum electromagnetic starter can be structurally designed to be composed of a rectangular explosion-proof shell arranged on a base of a machine body, wherein the upper part is a wiring cavity, and the lower cavity is a main cavity which is respectively an independent explosion-proof part. The right side is a handle of an isolating switch, three gears of positive, stop and reverse are provided, and the three gears can be fed according to a power supplyAnd adjusting the phase sequence. The electric cabinet is provided with an electric linkage and a mechanical linkage, when the door is opened, a handle of the electric linkage handle is required to be pressed down to rotate to a stop position, the mechanical linkage rod is propped against the operating handle to open the door, the door is provided with a start button, a stop button, an emergency stop button, an electric leakage test button and a reset button, and an observation window is arranged above the door to display the running state. The starter can also be provided with a reliable mechanical interlocking device which ensures that the shell cover cannot be opened when the explosion-proof switch is closed, only the stop button is pressed to segment the main circuit, and when the handle of the isolating switch is pulled to the 'separating' position, the locking rod is withdrawn by a special tool to open the shell cover; a reliable electric appliance linkage is arranged between the two contactors in the main cavity, so that the two contactors can not be simultaneously attracted. The starter uses JDB type comprehensive protector and has the protection functions of overload, short circuit, phase failure, leakage locking and the like. And (4) protection function: the core protection part of the vacuum electromagnetic starter adopts an intelligent comprehensive motor protector as a control unit and has the functions of leakage locking, short-circuit protection, overload protection, phase failure protection and the like; the lighting circuit has a leakage protection function. A 'leakage test' detection button is arranged on the vacuum electromagnetic starter door, and the intelligent comprehensive protector can be subjected to leakage protection function detection. The control mode is as follows: the starter has two control modes of near control and remote control, wherein the near control is operated on the starter door, and the remote control is operated on the explosion-proof button.
Further, the remote control transmitter comprises a first MCU control circuit, a first power supply conversion unit, a first communication network interface unit, a switch acquisition unit, a handle acquisition unit, a first LED display unit and a first clock circuit; the first MCU control circuit is respectively connected with the first communication network interface unit, the switch acquisition unit, the handle acquisition unit, the LED display unit and the first clock circuit; one end of the first power supply conversion unit is connected with the explosion-proof battery and used for providing power for the first MCU control circuit, the first communication network interface unit, the switch acquisition unit, the handle acquisition unit, the first LED display unit and the first clock circuit. The specific working process is that the first power supply conversion unit converts 12.8V direct current supplied by the explosion-proof battery into 5V and 3.3V power supplies used in the remote control transmitter, the power supplies are used by modules in a board, digital input and analog input are collected at regular time, and collected data are integrated by the first MCU control circuit and then sent to the vehicle-mounted unit through the first communication network interface unit. The explosion-proof battery can adopt 4 lithium manganate batteries connected in series, and is added with an overcurrent and overvoltage double protection circuit.
Further, the vehicle-mounted receiver includes: the second MCU control circuit, the second power supply conversion unit, the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit; the second MCU control circuit is respectively connected with the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit; the second power supply conversion unit is connected with a DC24V power supply and is used for providing power for the second MCU control circuit, the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit. The second power supply conversion unit of the vehicle-mounted receiver converts DC24V into 5V and 3.3V power supplies used in the vehicle-mounted receiver for all modules in the board to use, the second network communication interface unit uses an MODBUS protocol, receives a wireless control instruction at regular time, and outputs a control signal through the PWM output unit and the digital output unit after logic processing of the second MCU control circuit. The interface of the vehicle-mounted receiver is configured with 8 paths of analog input quantity (4-20 mA), 8 paths of digital input quantity (+ 24V effective), 32 paths of PWM/digital output, 1 path of CAN communication and 1 path of RS485 communication. The second LED display unit is mainly used for realizing LED indication and sound alarm.
The in-vehicle wireless receiver and the remote control transmitter should be used under the following conditions: places without water spraying and water accumulation; places without corrosive gas and liquid; the device is arranged at a stable place of the target equipment. In addition, the vehicle-mounted unit of the hoisting device is required to be installed and fixed on a remotely controlled vehicle body, and the antenna fixing seat is installed at a non-shielding position and is connected with the antenna and the extension line. And connecting the control line corresponding to the wiring diagram into the explosion-proof box, and sealing the explosion-proof box.
Further, the LED locomotive lamp set or LED indicator lamp comprises a power indicator lamp, a preparation indicator lamp, a communication indicator lamp and a fault indicator lamp; the power supply indicator light is used for indicating a power supply state, is green when normal, continuously flickers twice when the electric quantity is too low, and continuously flickers three times when the electric quantity is too high; preparing the indicator light for indicating the device status, lit (green) when ready; the communication indicator light is used for indicating the communication state, and the stroboflash is fast (green) during normal communication; the fault indicator light is used to indicate various fault conditions and flashes four times (red) in succession when the device wireless communication link is broken.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A control system of a mining hydraulic boom type hoisting device is characterized by comprising: the explosion-proof motor, the mining explosion-proof and intrinsically safe vacuum electromagnetic starter, the LED locomotive lamp set, the explosion-proof early warning assembly and the wireless remote control system; the mining explosion-proof and intrinsically safe vacuum electromagnetic starter comprises a system power supply, an electromagnetic starter comprehensive protector and an intrinsic safety circuit, wherein the electromagnetic starter comprehensive protector is connected with an explosion-proof motor; the intrinsic safety circuit comprises an intrinsic safety component and an intrinsic safety loop, and the intrinsic safety component is respectively connected with the electromagnetic starter comprehensive protector and the intrinsic safety loop; the wireless remote control system comprises a remote control transmitter and a vehicle-mounted receiver.
2. The control system of a mining hydraulic boom crane according to claim 1, further comprising: the methane gas power-off instrument is connected with the methane sensor.
3. The control system of the mining hydraulic boom crane according to claim 1, wherein the intrinsically safe assembly is connected to a system power supply via a UPS power circuit.
4. The control system of the mining hydraulic boom crane according to claim 1, wherein the explosion-proof early warning assembly comprises an explosion-proof electric bell.
5. The control system of the mining hydraulic boom type hoisting device according to claim 1, wherein the mining explosion-proof and intrinsically safe type starter is a mining explosion-proof and intrinsically safe type vacuum electromagnetic starter.
6. The control system of the mining hydraulic boom type hoisting device according to claim 1, wherein the remote control transmitter comprises a first MCU control circuit, a first power conversion unit, a first communication network interface unit, a switch acquisition unit, a handle acquisition unit, a first LED display unit and a first clock circuit; the first MCU control circuit is respectively connected with the first communication network interface unit, the switch acquisition unit, the handle acquisition unit, the LED display unit and the first clock circuit; one end of the first power supply conversion unit is connected with the explosion-proof battery and used for providing power for the first MCU control circuit, the first communication network interface unit, the switch acquisition unit, the handle acquisition unit, the first LED display unit and the first clock circuit.
7. The control system of a mining hydraulic boom crane according to claim 1, characterized in that the on-board receiver comprises: the second MCU control circuit, the second power supply conversion unit, the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit; the second MCU control circuit is respectively connected with the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit; the second power supply conversion unit is connected with a DC24V power supply and is used for providing power for the second MCU control circuit, the second communication network interface unit, the PWM output unit, the digital output unit, the second LED display unit and the second clock circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222481106.0U CN218145458U (en) | 2022-09-19 | 2022-09-19 | Control system of mining hydraulic boom type hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222481106.0U CN218145458U (en) | 2022-09-19 | 2022-09-19 | Control system of mining hydraulic boom type hoisting device |
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| Publication Number | Publication Date |
|---|---|
| CN218145458U true CN218145458U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222481106.0U Active CN218145458U (en) | 2022-09-19 | 2022-09-19 | Control system of mining hydraulic boom type hoisting device |
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| Country | Link |
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| CN (1) | CN218145458U (en) |
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- 2022-09-19 CN CN202222481106.0U patent/CN218145458U/en active Active
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