CN218641782U - Crossheading belt control system in coal mining process - Google Patents
Crossheading belt control system in coal mining process Download PDFInfo
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- CN218641782U CN218641782U CN202222511818.2U CN202222511818U CN218641782U CN 218641782 U CN218641782 U CN 218641782U CN 202222511818 U CN202222511818 U CN 202222511818U CN 218641782 U CN218641782 U CN 218641782U
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Abstract
The utility model provides a crossheading belt control system in the coal mining process, which can effectively control a crossheading belt to scram when the crossheading belt breaks down, and comprises a master controller, an equipment controller, a scram public address telephone, a detection device and an execution mechanism, wherein the master controller is connected with the equipment controller, the scram public address telephone, the detection device and the execution mechanism; the equipment controller is arranged at the head position of the belt conveyor and is connected with the sudden stop public address telephone; the sudden stop loud-speaker telephones are arranged on the outer side of the belt, the number of the sudden stop loud-speaker telephones is a plurality, and two adjacent sudden stop loud-speaker telephones are in communication connection; the detection device and the actuating mechanism are both arranged on the belt conveyor. The control devices detect and control the gate belt, so that the control fault tolerance rate is improved, the control efficiency is improved, the gate belt can be effectively controlled in time, and the safety of transporting coal mines by the gate belt is improved.
Description
Technical Field
The utility model relates to a coal mining industry equipment technical field especially relates to a crossheading belt control system of coal mining process.
Background
The cyclic operation of the coal face means that the coal face is repeatedly carried out once from all the working procedures of coal mining, coal loading, coal conveying, support, conveyor moving, top control, maintenance and the like to form a cycle. The key of the good circulation operation is to process the time-space relation of each working procedure and operation of the working face. The circular operation of different coal mining process working faces has the characteristics. The coal mining working face is a first production site of coal, has the characteristics of narrow operation space, more mechanical equipment, poor visual environment and high temperature, has frequent safety accidents, seriously influences the safety management work of the whole coal mine, and is a key area in the safety management work of the coal mine.
During the coal mining process, the mined coal mine is conveyed by a belt conveyor. The belt conveyor is also called as a rubber belt conveyor and is mainly applied to the transportation of coal mines in the coal mining industry.
However, the safety of the gate belt of the existing belt conveyor is not high, the gate belt cannot be effectively controlled in time when the gate belt breaks down, and the risk of transporting coal mines is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model aims at providing a coal mining process's crossheading belt control system can effectively control the crossheading belt and carry out scram when the crossheading belt breaks down, detects and controls the crossheading belt through a plurality of controlling means, has improved the control fault-tolerant rate to control efficiency has been improved, thereby can in time control the crossheading belt effectively, has improved the security in crossheading belt transportation colliery.
The utility model discloses a crossheading belt control system in the coal mining process, which comprises a master controller, an equipment controller, an emergency stop public address telephone, a detection device and an actuating mechanism, wherein the master controller is connected with the equipment controller, the emergency stop public address telephone, the detection device and the actuating mechanism;
the equipment controller is arranged at the head position of the belt conveyor and is connected with the sudden stop public address telephone;
the sudden stop loud-speaker telephones are arranged on the outer side of the belt, the number of the sudden stop loud-speaker telephones is a plurality, and two adjacent sudden stop loud-speaker telephones are in communication connection;
the detection device and the execution mechanism are both arranged on the belt conveyor, and the execution mechanism and the detection device are both connected with the master controller, the equipment controller and the sudden stop public address telephone;
the detection device comprises a deviation sensor arranged on the side part of the crossheading belt, and the deviation sensor is used for detecting whether the crossheading belt deviates or not;
the execution device comprises a belt sudden stop mechanism arranged on the crossheading belt, and the belt sudden stop mechanism is connected with the sudden stop public address telephone.
Preferably, the gateway belt control system for the coal mining process further comprises a power box arranged at the head position of the belt conveyor, and the power box is connected with the master controller, the equipment controller, the emergency stop public address telephone and the executing mechanism.
Preferably, the detection device further comprises a speed sensor arranged on the gate belt, and the speed sensor is used for detecting the speed of the gate belt.
Preferably, the detection device further comprises a temperature sensor and a smoke sensor which are arranged on the outer side of a roller of the belt conveyor, the temperature sensor is used for detecting the temperature of the roller, and the smoke sensor is used for detecting whether smoke exists between the roller and the gate belt.
Preferably, the detection device further comprises a coal piling sensor, and the coal piling sensor is arranged at the unloading point of the gate way belt.
Preferably, the scram loud-speaker telephone comprises an alarm device, and the alarm device is connected with the deviation sensor, the speed sensor, the temperature sensor, the smoke sensor and the coal piling sensor.
After having adopted above-mentioned technical scheme, compared with prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a detection device detects the operating condition of crossheading belt and produces the detected signal, scram public address telephone, equipment controller and total controller produce corresponding control command to execution module according to the detected signal that detection device sent, and execution module carries out corresponding action according to the control command to make control module control execution module when the crossheading belt breaks down and carry out scram control to the crossheading belt, guaranteed the safe transportation of crossheading belt in the coal mining process;
2. the crossheading belt is controlled by the emergency stop public address telephone, the equipment controller and the master controller, so that the control fault tolerance rate is improved, the control efficiency is improved, the crossheading belt can be effectively controlled in time, and the safety of transporting a coal mine by the crossheading belt is improved;
3. whether the crossheading belt deviates or not is detected through a deviation sensor, and if deviation action occurs and the deviation distance is larger than a preset deviation threshold value, the sudden stop public address telephone controls the belt conveyor to stop by controlling the belt sudden stop mechanism, so that the safety of the coal mining process is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a gateway belt control system in a coal mining process according to an embodiment of the present invention;
fig. 2 is a structural connection diagram of a gate way belt control system in the coal mining process of the embodiment of the present invention.
Reference numerals: 1-a master controller; 2-a device controller;
3-a detection device; 31-a deviation sensor; 32-a speed sensor; 33-a smoke sensor; 34-a coal pile sensor; 35-tear sensor; 36-a temperature sensor;
4-an actuator; 41-a belt scram mechanism; 42-a pull rope; 43-a sprinkler; 44-a water spray solenoid valve;
5-sudden stop loud-speaker phone; 51-an alarm device; 52-first scram speakerphone; 53-second scram speakerphone;
6-a power box; 61-an actuator;
7-a belt conveyor; 8-a reversed loader; 9-a crusher; 10-scraper conveyor.
Detailed Description
The advantages of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the disclosure, as detailed in the appended claims.
The terminology used in the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a shearer belt control system for a coal mining process," "the," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at" \8230; "or" when 8230; \8230; "or" in response to a determination ", depending on the context.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the following description, suffixes such as "module", "part", or "unit" used to indicate elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module" and "component" may be used in a mixture.
The embodiment of the utility model provides a crossheading belt control system of coal mining process, refer to fig. 1 and fig. 2, including total controller 1, equipment controller 2, scram public address telephone 5, detection device 3 and actuating mechanism 4, total controller 1 connects equipment controller 2, scram public address telephone 5 and detection device 3 and actuating mechanism 4;
the equipment controller 2 is arranged at the head position of the belt conveyor 7, and the equipment controller 2 is connected with the sudden stop loud-speaker telephone 5;
in some embodiments, the equipment controller 2 can be used for controlling a motor of coal mining equipment such as a belt conveyor 7, when the working state of the coal mining equipment is abnormal or has a fault, the master controller 1 sends a control instruction to the equipment controller 2, and the equipment controller 2 can directly control parts of the coal mining equipment such as the motor to stop so as to achieve the effect of auxiliary stopping and improve the fault tolerance of stopping control.
The scram loud-speaker telephones 5 are arranged on the outer side of the belt, the number of the scram loud-speaker telephones 5 is a plurality, and two adjacent scram loud-speaker telephones 5 are in communication connection;
the detection device 3 and the execution mechanism 4 are both arranged on the belt conveyor 7, and the execution mechanism 4 and the detection device 3 are both connected with the master controller 1, the equipment controller 2 and the sudden stop public address telephone 5; the detection device 3 further comprises a deviation sensor 31, a speed sensor 32, a temperature sensor 36, a smoke sensor 33 and a coal piling sensor 34;
the execution device comprises a belt sudden stop mechanism 41 arranged on the crossheading belt, and the belt sudden stop mechanism 41 is connected with the sudden stop loud-speaker telephone 5;
in some embodiments, the belt emergency stop mechanism 41 includes a KHJ18 intrinsic safety type pull rope 42 emergency stop locking switch disposed on the gate belt, the KHJ18 intrinsic safety type pull rope 42 emergency stop locking switch is connected to the mining intrinsic safety type emergency stop loud-speaker telephone of KTK18 (C) through the pull rope 42, and the mining intrinsic safety type emergency stop loud-speaker telephone of KTK18 (C) can control the KHJ18 intrinsic safety type pull rope 42 emergency stop locking action through the pull rope 42, so as to stop the belt conveyor 7.
The detection device 3 comprises a deviation sensor 31 arranged at the side part of the crossheading belt, and the deviation sensor 31 is used for detecting whether the crossheading belt deviates or not.
In some embodiments, the deviation sensor 31 is a mining intrinsic safety type deviation sensor 31 with a model number of GEJ20/40, and is used for deviation detection and protection of a conveyor belt and used in pairs. When the first-stage deviation action is carried out, namely the deviation distance detected by the deviation sensor 31 is greater than a preset first deviation threshold value, the sudden-stop loud-speaker telephone 5 gives an alarm, but the belt conveyor 7 does not stop, and a display screen on the sudden-stop loud-speaker telephone 5 displays the deviation position; when the secondary deviation action is performed, namely the deviation distance detected by the deviation sensor 31 is greater than a preset second deviation threshold value, the second deviation threshold value is greater than the first deviation threshold value, the sudden stop loud-speaker telephone 5 gives an alarm and executes a sudden stop command, so that the belt sudden stop mechanism 41 acts, namely the mining intrinsic safety type sudden stop loud-speaker telephone of KTK18 (C) controls the KHJ18 intrinsic safety type pull rope 42 sudden stop locking switch to perform sudden stop action through the pull rope 42, and the belt conveyor 7 stops. Meanwhile, the display screen on the sudden stop loud-speaker telephone 5 can also display the deviation position, and the protection grade is IP65.
As a preferred embodiment of the present invention, referring to fig. 1 and 2, the crossheading belt control system of the coal mining process further includes a power box 6 disposed at the head position of the belt conveyor 7, and the power box 6 is connected to the general controller 1, the device controller 2, the sudden stop public address telephone 5 and the executing mechanism 4, and is used for supplying power to the general controller 1, the device controller 2, the sudden stop public address telephone 5 and the executing mechanism 4.
In some embodiments, the power supply box 6 is a DXJ660/18 (a) mining explosion-proof and intrinsically safe power supply box 6, is suitable for places with gas and coal dust explosion risks in underground coal mines, and is used for providing intrinsically safe power supply and intrinsic/unsafe conversion for a belt conveyor 7 protection device or a working face communication control device.
In some embodiments, the overall controller 1 is connected with the starter 61 through the power supply box 6, the starter 61 is any one of the soft starter 61 and the magnetic starter 61, the starter 61 is connected with the device controller 2, the scram loud-speaker telephone 5 and the executing mechanism 4, and the overall controller 1 supplies power to the starter 61 through the power supply box 6 so as to control the starting of the soft starter 61 or the magnetic starter 61, so that the device controller 2, the scram loud-speaker telephone 5 and the executing mechanism 4 are started; or the master controller 1 controls the starter 61 to be powered off so as to control the soft starter 61 or the magnetic starter 61 to stop working, and the equipment controller 2, the scram loud-speaker phone 5 and the executing mechanism 4 are closed.
As a preferred embodiment of the present invention, referring to fig. 1 and 2, the detection device 3 further includes a temperature sensor 36 and a smoke sensor 33 which are disposed outside the drum of the belt conveyor 7, the temperature sensor 36 is used to detect the temperature of the drum, and the smoke sensor 33 is used to detect whether smoke exists between the drum and the gate belt.
In some embodiments, the smoke sensor 33 is a GQQ5 (a) type smoke sensor 33, and is used for monitoring fire accidents caused by mechanical friction, cable heating, spontaneous combustion of coal seams and the like in coal mines. The device can be arranged in a belt transportation roadway, an electromechanical chamber, a goaf and a working face under a coal mine.
In some embodiments, referring to fig. 1 and 2, the actuator 4 further comprises a water application device 43, the water application output of the water application device 43 facing the vicinity of the smoke sensor 33. The output pipeline of the sprinkler 43 is provided with a sprinkling electromagnetic valve 44 for controlling the sprinkler 43 to sprinkle water or close not to sprinkle water. The master controller 1 is connected with the sprinkling electromagnetic valve 44 through a relay of the power box 6. When smoke sensor 33 detects belt conveyor 7 or other coal mining equipment has smog, master controller 1 judges that there is high temperature or conflagration here, thereby master controller 1 control relay makes watering solenoid valve 44 start for watering device 43 starts and the output pipeline of watering opens, makes watering device 43 watering in order to cool down or put out a fire.
In some embodiments, the temperature sensor 36 is an intrinsically safe infrared temperature sensor 36 for use in a GWH300 mine. The method is suitable for the environment with gas and coal dust explosion danger under the coal mine, and is used for detecting the temperature of the measured object in a non-contact manner so as to judge the over-temperature fault condition.
In some embodiments, the scram speakerphone 5 issues an alarm when the temperature detected by the temperature sensor 36 is greater than a preset safe operating temperature, and the scram speakerphone 5 controls the belt conveyor 7 to stop.
As a preferred embodiment of the present invention, referring to fig. 1 and 2, the detection device 3 further includes a coal pile sensor 34, and the coal pile sensor 34 is disposed at an unloading point of the gate belt.
In some embodiments, the coal piling sensor 34 is an intrinsically safe coal piling sensor 34 for a GUJ19 mine, is suitable for places with gas and coal dust explosion risks under a coal mine, is used for detecting the material level of solid materials, and realizes detection and protection of the high level of stock bin materials, the blockage of a chute of a conveyor and the accumulation of materials at a transfer point.
When the coal piling sensor 34 detects that the coal piling phenomenon exists at the unloading point of the crossheading belt, for example, when the coal piling sensor 34 detects that the height of the materials at the unloading point of the crossheading belt is higher than a preset height threshold value, the scram loud-speaker telephone 5 gives an alarm, and the scram loud-speaker telephone 5 turns off to control the belt conveyor 7 to stop.
In some embodiments, referring to fig. 1 and 2, the detecting device 3 further includes a tearing sensor 35, the tearing sensor 35 is configured to detect whether a tearing phenomenon occurs on the belt, if the tearing phenomenon occurs on the belt, the tearing sensor 35 sends a tearing signal to the scram loud-speaker telephone 5, the scram loud-speaker telephone 5 sends an alarm after receiving the tearing signal, and the scram loud-speaker telephone 5 controls the belt conveyor 7 to stop through the KHJ18 intrinsic safety type pull rope 42 scram locking switch.
As a preferred embodiment of the present invention, referring to fig. 1 and 2, the scram loud-speaker phone 5 includes an alarm device 51, and the alarm device 51 is connected to the deviation sensor 31, the speed sensor 32, the temperature sensor 36, the smoke sensor 33 and the coal piling sensor 34; when the deviation distance detected by the deviation sensor 31 is greater than a preset deviation threshold value, the speed detected by the speed sensor 32 is greater than a preset speed threshold value, the temperature detected by the temperature sensor 36 is greater than a preset temperature threshold value, or the smoke detected by the smoke sensor 33 or the coal piling sensor 34 detects that coal piling occurs at the unloading point, the alarm device 51 of the emergency stop loud-speaker telephone 5 gives an alarm, and the emergency stop loud-speaker telephone 5 controls the belt conveyor to stop through the belt emergency stop mechanism 41, so that the safety in the coal mining process is ensured.
In some embodiments, the scram public address telephone 5 on the gateway belt samples a mining intrinsic safety type scram public address telephone with a model number of KTK18 (C) to realize detection and control of the gateway belt and voice alarm when the gateway belt fails.
It can be said that KTK18 (C) mining intrinsic safety type public address telephone is a mining intrinsic safety type product, is suitable for places with gas and coal dust explosion danger under coal mines, and is mainly used for scram, voice early warning, talking and dotting, wireless remote control receiving and interlocking control output of a pull rope 42 along a belt conveyor 7.
In some supplementary embodiments, on a coal face, with reference to fig. 1, a first scram speakerphone 52 and a second scram speakerphone 53 are provided, one end of the first scram speakerphone 52 is connected to one equipment controller 2 through a patch cable, the equipment controller 2 is connected to one of the scram speakerphones 5 through a patch cable, the first scram speakerphone 52 is an intrinsically safe mining type scram speakerphone with model KTK18 (D), the other end of the first scram speakerphone 52 is connected to the other first scram speakerphone 52 through 1 armored shielding tension communication cable of 50 meters, the other first scram speakerphone 52 is located at a head of a scraper conveyor, and the first scram speakerphone 52 and the equipment controller 2 are used for controlling a transfer machine 8 and a crusher 9.
From the head of the scraper conveyor 10, a second sudden stop public address telephone 53 is arranged every 15 meters to the tail of the scraper conveyor 10, and the last second sudden stop public address telephone 53 is connected with the intrinsic safety type terminal. The second sudden stop loud-speaker phone 53 is an intrinsic safety type sudden stop loud-speaker phone 5 with the model number of KTK18 (B), and the sudden stop loud-speaker phones 5KTK18 (B) are connected with each other by an armored shielding pull force communication patch cable.
The mining intrinsic safety type emergency stop sound amplifying telephones of KTK18 (B) and KTK18 (D) types are mining intrinsic safety type products, are suitable for places with gas and coal dust explosion danger under coal mines, and are mainly used for remote start-stop and emergency stop of devices such as belt conveyors, three-machine machines and the like, voice communication, dotting and voice early warning. The intelligent control system has the functions of starting, stopping and locking equipment, locking emergency stop, self-checking of the telephone module, automatic adjustment of charging current, connection of a stainless steel cable connector and a U-shaped pin and the like.
In some embodiments, the utility model discloses a device along the crossheading belt line adopts seven cores to shield two sheaths high tensile force flame retarded cable as the cable, and the connector has all carried out the gilding and has handled, and the connector shell is the precision casting stainless steel, and protection level reaches more than IP 67. The plug and the socket are quickly connected by adopting a U-shaped pin, and can be used as a connecting mechanism of the locking switch and the pull rope 42.
After the technical scheme is adopted, the utility model discloses a coal mining process's compliance belt control system has following advantage:
1. the utility model discloses a detection device detects the operating condition of crossheading belt and produces the detected signal, scram public address telephone, equipment controller and total controller produce corresponding control command to execution module according to the detected signal that detection device sent, and execution module carries out corresponding action according to the control command to make control module control execution module when the crossheading belt breaks down and carry out scram control to the crossheading belt, guaranteed the safe transportation of crossheading belt in the coal mining process;
2. the crossheading belt is controlled through the emergency stop public address telephone, the equipment controller and the master controller, so that the control fault tolerance rate is improved, the control efficiency is improved, the crossheading belt can be effectively controlled in time, and the safety of transporting a coal mine by the crossheading belt is improved.
3. Whether the crossheading belt deviates or not is detected through a deviation sensor, and if the deviation action occurs and the deviation distance is larger than a preset deviation threshold value, the sudden stop sound amplifying telephone controls the belt conveyor to stop through controlling a belt sudden stop mechanism 41, so that the safety of the coal mining process is ensured.
It should be noted that the embodiments of the present invention have better practicability and are not limited to any form, and any person skilled in the art may change or modify the technical contents disclosed above into equivalent effective embodiments, but any modifications or equivalent changes and modifications made to the above embodiments according to the technical matters of the present invention are still within the scope of the technical solution of the present invention.
Claims (6)
1. A crossheading belt control system in a coal mining process is characterized by comprising a master controller, an equipment controller, an emergency stop loud-speaker telephone, a detection device and an execution mechanism, wherein the master controller is connected with the equipment controller, the emergency stop loud-speaker telephone, the detection device and the execution mechanism;
the equipment controller is arranged at the head position of the belt conveyor and is connected with the sudden stop loud-speaker telephone;
the sudden stop loud-speaker telephones are arranged on the outer side of the belt, the number of the sudden stop loud-speaker telephones is a plurality, and two adjacent sudden stop loud-speaker telephones are in communication connection;
the detection device and the execution mechanism are both arranged on the belt conveyor, and the execution mechanism and the detection device are both connected with the master controller, the equipment controller and the sudden stop public address telephone;
the detection device comprises a deviation sensor arranged on the side part of the crossheading belt, and the deviation sensor is used for detecting whether the crossheading belt deviates or not;
the actuating mechanism comprises a belt scram mechanism arranged on the crossheading belt, and the belt scram mechanism is connected with the scram loud-speaker telephone.
2. A gateway belt control system in a coal mining process according to claim 1, further comprising a power box provided at a head position of the belt conveyor, the power box being connected to the master controller, the equipment controller, the scram loud-speaker phone and the execution mechanism.
3. A gateway belt control system for a coal mining process according to claim 1, wherein the actuator further includes a speed sensor provided on the gateway belt for detecting the speed of the gateway belt.
4. A gateway belt control system for a coal mining process as claimed in claim 3, further comprising a temperature sensor and a smoke sensor disposed outside the rollers of the belt conveyor, the temperature sensor being for detecting the temperature of the rollers and the smoke sensor being for detecting whether there is smoke between the rollers and the gateway belt.
5. A gateway belt control system for a coal mining process according to claim 4, further comprising a coal pile sensor disposed at a discharge point of the gateway belt.
6. A gateway belt control system for a coal mining process according to claim 5, characterized in that the scram loud-speaker phone includes an alarm device, the alarm device being connected to the deviation sensor, the speed sensor, the temperature sensor, the smoke sensor and the coal pile sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511818.2U CN218641782U (en) | 2022-09-21 | 2022-09-21 | Crossheading belt control system in coal mining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511818.2U CN218641782U (en) | 2022-09-21 | 2022-09-21 | Crossheading belt control system in coal mining process |
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| Publication Number | Publication Date |
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| CN218641782U true CN218641782U (en) | 2023-03-17 |
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| CN202222511818.2U Active CN218641782U (en) | 2022-09-21 | 2022-09-21 | Crossheading belt control system in coal mining process |
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