CN211598718U - Electro-hydraulic control device and electro-hydraulic control system of super-large mining height hydraulic support - Google Patents
Electro-hydraulic control device and electro-hydraulic control system of super-large mining height hydraulic support Download PDFInfo
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- CN211598718U CN211598718U CN202020004130.3U CN202020004130U CN211598718U CN 211598718 U CN211598718 U CN 211598718U CN 202020004130 U CN202020004130 U CN 202020004130U CN 211598718 U CN211598718 U CN 211598718U
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Abstract
The embodiment of the utility model discloses electrohydraulic control device and super large mining height hydraulic support electrohydraulic control system, it includes: hydraulic support control division and the host computer that is used for sending control command, hydraulic support control division includes a plurality of hydraulic support control groups, and single hydraulic support control group is including the support controller that is used for receiving control command, switching-over valve, be used for the pressure data of real-time supervision stand cavity of resorption and with pressure data transmission to the pressure sensor of support controller and the stroke sensor that is used for real-time supervision to push the stroke data of jack and with stroke data transmission to support controller, the switching-over valve sets up on single hydraulic support's stand and the feed liquid pipeline of pushing the jack, support controller is connected with pressure sensor, stroke sensor and switching-over valve electricity respectively, and is adjacent support controller electricity is connected, and all with host computer electricity is connected. Utilize the embodiment of the utility model provides a can realize combining the control of adopting all hydraulic support of working face.
Description
Technical Field
The utility model relates to a colliery technical field, concretely relates to electro-hydraulic control device and super large mining height hydraulic support electro-hydraulic control system.
Background
With the continuous development of coal mine fully-mechanized mining technical equipment and the continuous improvement of coal mining technology, more and more mines adopt a large-mining-height coal mining technology to mine thick coal seams. Along with the continuous expansion of the fully mechanized mining working face, the number of the required hydraulic supports is also increased continuously. The inventor discovers that the traditional electro-hydraulic control device can only realize the control of a single hydraulic support in the process of realizing the hydraulic support control device, and the sudden stop of the hydraulic support of the whole fully mechanized mining face is difficult to realize in case of emergency.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an electro-hydraulic control device and super large mining height hydraulic support electro-hydraulic control system are proposed.
The embodiment of the utility model provides an electricity liquid control device, it includes: hydraulic support control division and the host computer that is used for sending control command, hydraulic support control division includes a plurality of hydraulic support control groups, and single hydraulic support control group is including the support controller that is used for receiving control command, switching-over valve, be used for the pressure data of real-time supervision stand cavity of resorption and with pressure data transmission to the pressure sensor of support controller and the stroke sensor that is used for real-time supervision to push the stroke data of jack and with stroke data transmission to support controller, the switching-over valve sets up on single hydraulic support's stand and the feed liquid pipeline of pushing the jack, support controller is connected with pressure sensor, stroke sensor and switching-over valve electricity respectively, and is adjacent support controller electricity is connected, and all with host computer electricity is connected.
Optionally, the method further comprises: the infrared receivers are used for receiving remote control instructions and correspond to the support controllers one to one, and the infrared receivers are electrically connected with the support controllers.
Optionally, the hydraulic support control part comprises four hydraulic support control groups, and the four hydraulic support control groups share a power supply.
Optionally, the hydraulic support control device further comprises an isolation coupler, and the power supply is electrically connected with the hydraulic support control part through the isolation coupler.
Optionally, the automatic backwashing device further comprises an automatic backwashing filter for filtering impurities, and the upright column of the hydraulic support control part and the liquid supply pipeline of the pushing jack are both connected with the automatic backwashing filter.
Optionally, the rack controller further comprises a switch, and the rack controller is electrically connected with the upper computer through the switch.
Optionally, the bracket controller and the reversing valve are both mounted on a hydraulic bracket controlled by the bracket controller and the reversing valve together.
Optionally, the rack controller is a rack controller model PM 32.
Optionally, the system further comprises a network terminator for monitoring a communication state between the rack controller and the upper computer, and the network terminator is installed on the rack controller.
The embodiment of the utility model provides a still provide a hydraulic support electrohydraulic control system is adopted to super large, it includes as above electrohydraulic control device.
The electro-hydraulic control device and the electro-hydraulic control system of the hydraulic support with the ultra-large mining height provided by the embodiment of the utility model acquire pressure data and stroke data by arranging the hydraulic support control part and the upper computer, and the pressure sensor and the stroke sensor, the hydraulic support control system is transmitted to an upper computer through a support controller, the upper computer forms a control instruction according to pressure data and stroke data and sends the control instruction to each support controller, the support controllers control the hydraulic supports through controlling a reversing valve, and therefore control over all hydraulic supports on the fully mechanized coal mining face can be achieved, and the stroke data and the pressure data can be stored on the upper computer, so that the visualization, the controllability and the automation of the fully mechanized coal mining face are realized, the coordination and the control among all devices of the fully mechanized coal mining face are facilitated, the scientific management of the devices of the fully mechanized coal mining face is realized, the optimization control and the automation control of the fully mechanized coal mining process are realized, and meanwhile, the structure is simple, and the use is convenient.
Drawings
Fig. 1 is a schematic circuit diagram of an electro-hydraulic control device according to an embodiment of the present invention.
Fig. 2 is a layout diagram of an electro-hydraulic control device according to an embodiment of the present invention.
Fig. 3 is a schematic layout diagram of a hydraulic support according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 shows the circuit schematic diagram of the electro-hydraulic control device of the embodiment of the present invention, and fig. 2 shows the layout diagram of the electro-hydraulic control device of the embodiment of the present invention. As shown in fig. 1-2, the embodiment of the present invention provides an electrohydraulic control device, which includes: the hydraulic support control part and the host computer that is used for sending control command. Wherein, the host computer can adopt the existing computer.
The hydraulic support control part comprises a plurality of hydraulic support control groups, and the single hydraulic support control group controls the single hydraulic support to work.
As shown in fig. 1 to 3, the single hydraulic support control group includes a support controller 4, a directional control valve 3, a pressure sensor 7 for monitoring pressure data of the lower cavity of the column in real time and transmitting the pressure data to the support controller 4, and a stroke sensor 8 for monitoring stroke data of the advancing jack 600 in real time and transmitting the stroke data to the support controller 4.
In one embodiment, the pressure sensor 7 may be of the type sns/dmd/aud600a, measuring in the range of 0-60MPa, operating at DC 12V. The stroke sensor 8 may be of the type sns/rs/auf1000 a.
The reversing valve 3 is arranged on a liquid supply pipeline of the upright post and the pushing jack, and the support controller 4 is electrically connected with the pressure sensor 7, the stroke sensor 8 and the reversing valve 3 respectively.
In the embodiment, the support controller 4, the pressure sensor 7, the stroke sensor 8 and the reversing valve 3 are all provided with serial interfaces, and the support controller 4, the pressure sensor 7, the stroke sensor 8 and the reversing valve 3 are all connected through serial lines.
The adjacent bracket controllers 4 can be electrically connected through cables between the adjacent hydraulic brackets and are electrically connected with the upper computer. The cable between racks can adopt the existing four-core cable.
And the adjacent support controllers 4 are communicated in an adjacent support communication mode, and are communicated with the upper computer through a TBUS bus technology. The adjacent frame communication can be used for the functions of data transmission, control, locking and the like between the adjacent frame hydraulic supports/the separated frame hydraulic supports. The bus communication can be used for the functions of emergency stop, grouping action and the like of the hydraulic support of the fully mechanized mining face.
The use process of the electro-hydraulic control device is described by taking an example that the hydraulic support control part comprises four hydraulic support control groups. Wherein, the reversing valve 3 can adopt the prior 20-function electro-hydraulic reversing valve.
The four hydraulic supports are arranged in a manner shown in fig. 3, wherein a 100# hydraulic support and a 300# hydraulic support are arranged in a row, and a 200# hydraulic support and a 400# hydraulic support are arranged in a row.
The No. 100 hydraulic support and the No. 300 hydraulic support, and the No. 200 hydraulic support and the No. 400 hydraulic support are connected through a pushing jack 600.
The stroke sensor 8 is installed on the advancing jack 600. And the bracket controller 4 and the reversing valve 3 are both arranged on a hydraulic bracket controlled by the bracket controller 4 and the reversing valve 3 together so as to be convenient to move along with the hydraulic bracket.
The No. 100 hydraulic support and the No. 200 hydraulic support, and the No. 300 hydraulic support and the No. 400 hydraulic support are connected through the anti-falling jack 500. The anti-falling jack 500 comprises a top beam anti-falling jack for connecting top beams of adjacent hydraulic supports and a base anti-falling jack for connecting bases of adjacent hydraulic supports.
During operation, pressure sensor 7 monitors the pressure data of stand in real time to send pressure data to support controller 4.
The stroke sensor 8 monitors stroke data of the advancing jack 600 in real time and transmits the stroke data to the stand controller 4.
The support controller 4 sends the real-time data of the pressure data and the stroke data to the upper computer and stores the data on the upper computer.
The upper computer compares the real-time data with the historical data by adopting the existing logic programming and sends a control instruction to each bracket controller. And the support controller 4 controls the corresponding reversing valve 3 to work according to the control instruction, so that all hydraulic supports of the fully mechanized coal mining face are controlled.
In one embodiment, the support controller 4 may also compare the real-time pressure data and the stroke data with historical data, output control commands, and control the operation of the directional valve 3, thereby controlling the operation of the individual hydraulic supports.
The bracket controller 4 controls the opening process of the electro-hydraulic reversing valve to:
the control instruction sent by the support controller 4 is output to the electromagnetic driver 5, the electromagnetic driver 5 decodes the control instruction and converts the control instruction into a current on-off signal of the appointed pilot valve, the electromagnetic driver 5 supplies power to the appointed electromagnetic coil 6, the magnetic force generated by the electromagnetic coil 6 attracts the electromagnetic pilot valve lever, and the reversing valve 3 is opened through the electromagnetic pilot valve lever. Accordingly, the electromagnetic driver 5 stops supplying power, and the direction change valve 3 is closed.
The embodiment of the utility model provides an electro-hydraulic control device is through setting up hydraulic support control part and host computer, pressure sensor and stroke sensor acquire pressure data and stroke data, and transmit to the host computer through the support controller, the host computer forms control command according to pressure data and stroke data and sends to each support controller, the support controller passes through control reversing valve control hydraulic support, not only can realize to combining the control of adopting all hydraulic support of working face, and stroke data and pressure data can be saved on the host computer, realize combining the visualization of adopting the working face, controllable and automatic, be favorable to combining the coordination and the control between each equipment of adopting the working face, realize combining the scientific management who adopts the working face equipment, realize combining the optimal control and the automated control of adopting the process, simple structure simultaneously, high durability and convenient use.
Further, the electro-hydraulic control device further includes: and the infrared receiver 9 is used for receiving remote control instructions, and the infrared receiver 9 is electrically connected with the bracket controller 4.
An operator can use the existing remote controller to send a remote control command, and the infrared receiver 9 receives the remote control command and sends the remote control command to the support controller 4 to control the corresponding hydraulic support to act.
Through setting up infrared receiver 9, can realize the remote control to hydraulic support, make things convenient for the staff to control hydraulic support action at any time in the pit more.
In this embodiment, the stent controller 4 uses existing logic programming to implement its control functions.
Preferably, the hydraulic support control part comprises four hydraulic support control groups, and the four hydraulic support control groups correspondingly control the four hydraulic supports to act.
The four hydraulic support control groups share one power supply 1 so as to reduce the arrangement of power supply lines. In this embodiment, the power supply 1 is a 12V dc power supply.
Further, the electro-hydraulic control device further comprises an isolating coupler 2, and the power supply 1 is electrically connected with the hydraulic support control part through the isolating coupler 2 so as to realize electrical isolation and coupling of transmission signals.
In the present embodiment, the isolation coupler 2 is of the type pm 32/pa/ae. The power supply 1, the hydraulic support control part and the isolation coupler 2 are connected by adopting the existing connection mode.
Furthermore, the electro-hydraulic control device also comprises an automatic back-washing filter for filtering impurities, and the upright post of each hydraulic support and the liquid supply pipeline of the pushing jack are connected with the automatic back-washing filter.
Through setting up automatic back flush filter, not only can filter the impurity in the liquid supply pipeline, prevent to block up the liquid supply pipeline, a plurality of hydraulic support share an automatic back flush filter and connect moreover, not only can reduce the pipeline setting, still can reduce equipment input, reduce cost. In this embodiment, the automatic backwash filter is model number ZPG-L/I.
Further, the electro-hydraulic control device further comprises a switch, and the support controller 4 is electrically connected with an upper computer through the switch in the existing connection mode.
Through setting up the switch, can improve the access quantity of support controller 4, make the host computer control more hydraulic support to realize better combining the control of adopting all hydraulic support of working face, improve the automation of adopting the working face.
In one embodiment of the present invention, the rack controller 4 is a rack controller of model PM 32. Preferably, a stent controller model PM32/sg/age is used for ease of manipulation.
Further, the electro-hydraulic control device further comprises a network terminator 10 for monitoring the communication state between the bracket controller 4 and the upper computer.
The network terminator 10 is installed on the support controller to ensure that the support controller 4 is constantly connected with the upper computer and the upper computer controls all the hydraulic supports of the fully mechanized coal mining face.
In this embodiment, the network terminator 10 is pm32/ack/ae, and monitors the bus communication status by using the existing transmission and response method.
The embodiment of the utility model provides a still provide a hydraulic support electrohydraulic control system is adopted to super large, it includes as above electrohydraulic control device.
The ultra-large mining height hydraulic support is a hydraulic support with a supporting height larger than 8 m.
The embodiment of the utility model provides a super large mining height hydraulic support electricity liquid control system is through setting up hydraulic support control part and host computer, pressure sensor and stroke sensor acquire pressure data and stroke data, and transmit to the host computer through the support controller, the host computer forms control command according to pressure data and stroke data and sends to each support controller, the support controller is through control reversing valve control hydraulic support, not only can realize synthesizing the control of adopting all hydraulic support of working face, and stroke data and pressure data can be stored on the host computer, realize synthesizing the visualization of adopting the working face, controllable and automatic, be favorable to synthesizing coordination and control between each equipment of adopting the working face, realize synthesizing the scientific management who adopts the working face equipment, realize synthesizing the optimal control and automated control of adopting the process, simple structure simultaneously, high durability and convenient use.
The technical solution of the present invention is described in detail with reference to the specific embodiments, and the described specific embodiments are used to help understand the idea of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiments of the present invention also belong to the protection scope of the present invention.
Claims (10)
1. An electro-hydraulic control apparatus, comprising: hydraulic support control division and the host computer that is used for sending control command, hydraulic support control division includes a plurality of hydraulic support control groups, and single hydraulic support control group is including the support controller that is used for receiving control command, switching-over valve, be used for the pressure data of real-time supervision stand cavity of resorption and with pressure data transmission to the pressure sensor of support controller and the stroke sensor that is used for real-time supervision to push the stroke data of jack and with stroke data transmission to support controller, the switching-over valve sets up on single hydraulic support's stand and the feed liquid pipeline of pushing the jack, support controller is connected with pressure sensor, stroke sensor and switching-over valve electricity respectively, and is adjacent support controller electricity is connected, and all with host computer electricity is connected.
2. The electro-hydraulic control device of claim 1, further comprising: the infrared receivers are used for receiving remote control instructions and correspond to the support controllers one to one, and the infrared receivers are electrically connected with the support controllers.
3. The electro-hydraulic control device of claim 2, wherein the hydraulic support control section comprises four hydraulic support control groups sharing a power source.
4. The electro-hydraulic control of claim 3, further comprising an isolating coupler, wherein the power source is electrically connected to the hydraulic mount control via the isolating coupler.
5. The electrohydraulic control device according to claim 4, further comprising an automatic backwashing filter for filtering foreign matters, wherein the column of the hydraulic bracket control portion and the liquid supply line of the push jack are connected to the automatic backwashing filter.
6. The electro-hydraulic control device of claim 5, further comprising a switch, wherein the rack controller is electrically connected to the host computer through the switch.
7. The electro-hydraulic control of claim 6, wherein the carriage controller and the reversing valve are both mounted on a hydraulic carriage controlled by the carriage controller and the reversing valve.
8. The electro-hydraulic control of claim 7, wherein the mount controller is a mount controller model PM 32.
9. The electrical-hydraulic control device of any one of claims 1-8, further comprising a network terminator for monitoring a communication status between the rack controller and the host computer, the network terminator being mounted on the rack controller.
10. An electro-hydraulic control system of a hydraulic support with an ultra-large mining height, which is characterized by comprising the electro-hydraulic control device as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020004130.3U CN211598718U (en) | 2020-01-02 | 2020-01-02 | Electro-hydraulic control device and electro-hydraulic control system of super-large mining height hydraulic support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020004130.3U CN211598718U (en) | 2020-01-02 | 2020-01-02 | Electro-hydraulic control device and electro-hydraulic control system of super-large mining height hydraulic support |
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| CN211598718U true CN211598718U (en) | 2020-09-29 |
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| CN202020004130.3U Active CN211598718U (en) | 2020-01-02 | 2020-01-02 | Electro-hydraulic control device and electro-hydraulic control system of super-large mining height hydraulic support |
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