CN212563333U - Fully-mechanized mining face hydraulic support working state monitoring system - Google Patents
Fully-mechanized mining face hydraulic support working state monitoring system Download PDFInfo
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Abstract
The embodiment of the utility model provides a combine and adopt working face hydraulic support operational information monitoring devices and system relates to the colliery and combines and adopts working face equipment monitoring technology field, can monitor the hydraulic support operating condition who combines to adopt the working face to improve the security of production to a certain extent. The method comprises the following steps: the system comprises a hydraulic support state information acquisition device, a hydraulic support state information display substation and a crossheading monitoring center; the hydraulic support state information acquisition device and the hydraulic support state information display substation are arranged on the hydraulic support, the hydraulic support is arranged in front of a fully mechanized mining face, an upper crossheading is arranged in the crossheading monitoring center, the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation, and the hydraulic support state information display substation is connected with the crossheading monitoring center. The utility model is suitable for a combine and adopt monitoring of working face hydraulic support operating condition.
Description
Technical Field
The utility model relates to a colliery is combined and is adopted working face equipment monitoring technology field, especially relates to a combine and adopt working face hydraulic support operating condition monitoring system.
Background
The hydraulic support is one of main devices of a coal face (also called a fully mechanized coal face), is a structure used for controlling mine pressure of the coal face, and the mine pressure of the coal face acts on the hydraulic support in an external loading mode. The hydraulic support needs to be matched with equipment such as a coal mining machine, a scraper, a crusher, a reversed loader and the like in the stoping process, and the guarantee of normal work of the hydraulic support is an important basis for realizing high yield, high efficiency and safe production in coal mining. Therefore, the method has the advantages that the operation state of the hydraulic support is monitored, the working states such as the position, the posture, the borne top plate pressure and the like among hydraulic pressures are mastered, and the method has very important significance for providing reference for controlling the hydraulic support by underground workers and ensuring the normal operation and the safe production of a coal face.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a combine and adopt working face hydraulic support operating condition monitoring system can monitor the hydraulic support operating condition who combines to adopt the working face to improve the security of production to a certain extent.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the embodiment of the utility model provides a combine and adopt working face hydraulic support operating condition monitoring system, include: a hydraulic support state information acquisition device, a hydraulic support state information display substation and a crossheading monitoring center,
the hydraulic support state information acquisition device and the hydraulic support state information display substation are arranged on the hydraulic support, the hydraulic support is arranged in front of a fully mechanized mining face, an upper crossheading is arranged in the crossheading monitoring center, the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation, and the hydraulic support state information display substation is connected with the crossheading monitoring center.
Optionally, the monitoring system further comprises: the hydraulic support information display main station is arranged between the hydraulic support state information display substation and the crossheading monitoring center, the input end of the hydraulic support information display main station is connected with the output end of the hydraulic support state information display substation, and the output end of the hydraulic support information display main station is connected with the input end of the crossheading monitoring center.
Optionally, the monitoring system further comprises: and the ground monitoring center is connected to the output end of the crossheading monitoring center.
Optionally, the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation and/or the gateway monitoring center in a wireless communication mode.
Optionally, the hydraulic support information collecting device includes but is not limited to: the device comprises an acceleration sensor module, a pressure sensor module, a distance measuring sensor module and a stroke sensor module;
the device comprises an acceleration sensor module, a hydraulic support base, a distance measurement sensor module and a stroke sensor module, wherein the acceleration sensor module is arranged on a top beam of the hydraulic support, the base and a rear connecting rod, the pressure sensor module is arranged on a lower cavity of a stand column and two cavities of a balance jack, the distance measurement sensor module is arranged at the front end of the hydraulic support base, and the stroke sensor module is.
Optionally, the number of the hydraulic supports is multiple, one or more hydraulic supports are provided with one hydraulic support information acquisition device, and one hydraulic support information acquisition device is correspondingly connected with one hydraulic support state information display substation.
Optionally, the hydraulic support information acquisition device and the hydraulic support state information display substation are provided with a plurality of devices.
The embodiment of the utility model provides a combine and adopt working face hydraulic support operating condition monitoring system, include: the system comprises a hydraulic support state information acquisition device, a hydraulic support state information display substation and a crossheading monitoring center; the hydraulic support state information acquisition device and the hydraulic support state information display substation are arranged on the hydraulic support, the hydraulic support is arranged in front of a fully mechanized mining face, an upper crossheading is arranged in the crossheading monitoring center, the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation, and the hydraulic support state information display substation is connected with the crossheading monitoring center. The hydraulic support state information acquisition device, the hydraulic support state information display substation and the crossheading monitoring center which occupy the space position are connected through a line connection relationship to form a set of monitoring system, the hydraulic support working state of the fully mechanized coal mining face can be monitored, the normal operation of the fully mechanized coal mining face is ensured, and therefore the production safety is improved to a certain extent.
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 the drawings without creative efforts.
Fig. 1 is a schematic plan structure diagram of an embodiment of the fully mechanized mining face hydraulic support working state monitoring system of the present invention;
fig. 2 is a schematic structural view of another embodiment of the fully mechanized mining face hydraulic support working state monitoring system of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the vision monitoring and measuring system for fully mechanized coal mining face equipment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It is to be understood that the embodiments described are merely exemplary of some, but not all embodiments of the invention, and that numerous specific details are set forth in order to provide a more thorough description of the invention. In addition, some methods, means, components and applications thereof known to those skilled in the art are not described in detail in order to highlight the gist of the present invention, but the implementation of the present invention is not affected thereby. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1, the embodiment of the utility model provides a combine and adopt working face hydraulic support operating condition monitoring system can be applied to the monitoring and combine the operating condition who adopts working face equipment, combines to adopt working face equipment and includes hydraulic support.
The monitoring system includes: the system comprises a hydraulic support state information acquisition device 100, a hydraulic support state information display substation 200 and a crossheading monitoring center 400;
the hydraulic support state information acquisition device and the hydraulic support state information display substation are arranged on the hydraulic support, the hydraulic support is arranged in front of a fully mechanized mining face, an upper crossheading is arranged in the crossheading monitoring center, the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation, and the hydraulic support state information display substation is connected with the crossheading monitoring center.
The hydraulic support state information acquisition device 100 is used for providing a data base for a hydraulic support monitoring system, and is used for acquiring and sending state information of a hydraulic support in a fully mechanized coal mining face; the state information includes: position, attitude, and/or pressure, attitude generally measured by tilt angle.
And the hydraulic support state information display substation 200 is used for receiving the acquired state information display, processing the data of the state information and sending the processed data.
The number of the hydraulic supports of the working face is usually multiple along the length direction of the fully mechanized mining working face, and correspondingly, each hydraulic support is correspondingly provided with a set of hydraulic support state information display substation 200.
Specifically, the hydraulic support state information display substation 200 is further configured to display the received state information of the hydraulic support. Therefore, the working state of the corresponding hydraulic support can be observed by the operator on the fully mechanized mining face, so that the production safety is ensured.
And the gateway monitoring center 400 is used for receiving the processed data and determining the working state of the hydraulic support based on the processed data.
The embodiment of the utility model provides a combine and adopt working face hydraulic support operating condition monitoring system, include: the system comprises a hydraulic support state information acquisition device, a hydraulic support state information display substation and a crossheading monitoring center; the hydraulic support state information acquisition device and the hydraulic support state information display substation are arranged on the hydraulic support, the hydraulic support is arranged in front of a fully mechanized mining face, an upper crossheading is arranged in the crossheading monitoring center, the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation, and the hydraulic support state information display substation is connected with the crossheading monitoring center. The hydraulic support state information acquisition device, the hydraulic support state information display substation and the crossheading monitoring center which occupy the space position are connected through a line connection relationship to form a set of monitoring system, the hydraulic support working state of the fully mechanized coal mining face can be monitored, the normal operation of the fully mechanized coal mining face is ensured, and therefore the production safety is improved to a certain extent.
It should be noted that the invention of the present application is not directed to the improvement of the program or the logic control circuit for implementing the predetermined function for each component or the monitoring system formed by each component, but is directed to the specific connection relationship between the components forming the monitoring system and the specific spatial location of each component. In order to highlight the utility model, the main idea lies in the improvement of the structure and the connection relationship, the specific program or logic control circuit for realizing the predetermined function in this document is not repeated.
The system comprises a plurality of hydraulic supports, one or more hydraulic supports are provided with one hydraulic support information acquisition device, and one hydraulic support information acquisition device is correspondingly connected with one hydraulic support state information display substation. Preferably, the hydraulic support information acquisition devices and the hydraulic support state information display substations are provided in multiple numbers.
The hydraulic support state information acquisition device 100 and the hydraulic support state information display substation 200 and/or the crossheading monitoring center 400 may be connected by a CAN (control area network) bus to perform data transmission. However, with the advancing of the coal face and the operation of the crane, the wired network is easily broken, network failure occurs, and even the whole monitoring system cannot work normally.
Therefore, as an alternative embodiment, the hydraulic support state information collecting device 100 is connected with the hydraulic support state information display substation 200 and/or the gateway monitoring center 400 in a wireless communication manner. In this way, data transmission is carried out between the hydraulic support state information acquisition device 100 and the hydraulic support state information display substation 200 and/or the gateway monitoring center 400 in a wireless communication mode, the risk of breaking a wired cable possibly caused in the coal face advancing process is avoided, and the working stability of the monitoring system can be ensured.
With continued reference to fig. 1, in some embodiments, the monitoring system further comprises: the hydraulic support information display main station 300 is arranged between the hydraulic support state information display substation and the crossheading monitoring center, the input end of the hydraulic support information display main station is connected with the output end of the hydraulic support state information display substation, and the output end of the hydraulic support information display main station is connected with the input end of the crossheading monitoring center.
The hydraulic support information display master station 300 is configured to receive the processed data sent by the hydraulic support state information display substation 200, display the working and communication connection states of the hydraulic support state information acquisition device 100, and send the received processed data to the gateway monitoring center 400.
In this embodiment, when data transmission is performed in a wireless communication manner, a "dead angle" may exist in a tunnel, which may affect transmission stability, and in order to avoid the "dead angle" of a signal, the hydraulic support information display master station 300 is added to play a role in relaying or amplifying the signal, so that the stability of data transmission or communication may be improved.
According to the technical scheme, the hydraulic support state information display substation 200 and the main station 300 are arranged in the monitoring system, the monitoring system can work independently of an existing working face centralized control center, data can be accessed into the existing gateway centralized control center or a ground centralized control center, the flexible use of the monitoring system is achieved, and the application scenes of the monitoring system are increased.
Specifically, the monitoring system further comprises: a ground monitoring center 500 connected to the output of the gateway monitoring center.
And the ground monitoring center 500 is used for receiving and displaying the working state of the hydraulic support sent by the gateway monitoring center so as to control the hydraulic support based on the working state of the hydraulic support.
The hydraulic support state information acquisition device 100 has two working modes: firstly, data are transmitted at regular time, and data such as pose pressure of the hydraulic support are slowly-varying data, so that the hydraulic support can work under the condition of low sampling frequency. And secondly, triggering abnormal conditions, namely triggering an alarm mechanism of the hydraulic support state information acquisition device 100 when part of the hydraulic support data suddenly changes at a certain moment, and transmitting the current data to the hydraulic support state information display substation 200.
The hydraulic support state information acquisition device 100 is specifically configured to:
collecting real-time state information of the hydraulic support;
monitoring whether the data of the state information is within a first threshold range;
if the data is within the first threshold range, the state information is sent to the hydraulic support state information display substation 200 at regular time; the sampling period of the hydraulic support state information acquisition device 100 can be set to be once in 5 minutes.
If the data is not within the first threshold range, triggering an alarm mechanism of the hydraulic support information acquisition device, and sending the current state information to the hydraulic support state information display substation 200, so that the hydraulic support state information display substation 200 sends out an alarm signal through a buzzer or a display screen.
Specifically, the triggering condition may be that the yaw angle of the hydraulic support is greater than 10 °, or the roll angle is greater than 5 °, or the column pressure of the hydraulic support is greater than 300 MPa.
According to the description, the state data of the pose, the pressure and the like of the hydraulic support are slowly-changed data in a normal state, and when an abnormal condition occurs, the data are suddenly changed; according to the utility model discloses method can carry out effectual monitoring to hydraulic support's operating condition.
Referring to fig. 1 and 3, in particular, the hydraulic support information collecting device includes but is not limited to: the device comprises an acceleration sensor module, a pressure sensor module, a distance measuring sensor module and a stroke sensor module;
the device comprises an acceleration sensor module, a hydraulic support base, a distance measurement sensor module and a stroke sensor module, wherein the acceleration sensor module is arranged on a top beam of the hydraulic support, the base and a rear connecting rod, the pressure sensor module is arranged on a lower cavity of a stand column and two cavities of a balance jack, the distance measurement sensor module is arranged at the front end of the hydraulic support base, and the stroke sensor module is.
The hydraulic support information acquisition device comprises but is not limited to: the acceleration sensor module 140 is used for monitoring and acquiring the inclination angle of the hydraulic support; the acceleration sensor module may be a tilt sensor, such as a gyroscope, as shown with reference to fig. 1.
And the pressure sensor module 130 is used for monitoring the hydraulic pressure of the lower cavity of the upright column of the hydraulic support and the pressure born by the balance jack.
The distance measurement sensor module 110 is used for measuring the compression displacement of the current hydraulic support; the distance measuring sensor module can be a laser sensor or an infrared sensor or a distance sensor.
And the stroke sensor module 120 is used for measuring the moving distance of the hydraulic support along the advancing direction of the coal face.
In some embodiments, the hydraulic support status information display substation 200 is specifically configured to:
receiving the inclination angle of the hydraulic support sent by the acceleration sensor module: converting the angle into deflection, a first position and first mining height information of the current hydraulic support; and/or the presence of a gas in the gas,
and receiving the hydraulic pressure of the lower cavity of the hydraulic support column sent by the pressure sensor module and the pressure born by the balance jack.
In other embodiment manners of this embodiment, the hydraulic support state information display substation 200 is further specifically configured to: receiving the compression displacement of the current hydraulic support sent by the distance measurement sensor module;
converting the compression displacement amount into second mining height information of the current hydraulic support;
when the distance measuring sensor module is a laser distance measuring instrument, the laser distance measuring instrument can be installed at the front end of the hydraulic support base to measure the distance between the hydraulic support base and the top beam, and the actual mining height, namely the second mining height information, is converted through the specification and the size of the hydraulic support.
And correcting the first mining height information according to the second mining height information.
Specifically, the correcting the first elevation information according to the second elevation information includes:
judging whether the second mining height information is consistent with the first mining height information;
if not, continuously judging whether the difference value of the second mining height information and the first mining height information is within a specified threshold range;
and if so, taking the average value of the second mining height information and the first mining height information to update the first mining height information.
In some further embodiments, the hydraulic support status information display substation 200 is further specifically configured to:
receiving the moving distance of the hydraulic support sent by the stroke sensor module;
calculating to obtain the relative position information of the current hydraulic support and the coal mining machine according to the moving distance;
and correcting the first position information based on the relative position information.
The embodiment of the utility model provides a scheme can gather data such as gesture, pressure, adopt height, position in the hydraulic support work comprehensively, compares in traditional independent hydraulic support gesture monitoring system and pressure monitoring system, can follow different dimensions and describe hydraulic support operating condition to the supplementary is revised each other to the multiple data of accessible, has increased hydraulic support monitoring system's reliability.
Referring to fig. 1 and 3, in some embodiments, a scraper conveyor and a plurality of hydraulic supports are arranged in an open-off cut tunnel in front of a fully mechanized mining face, the scraper conveyor is arranged in the open-off cut tunnel in front of the fully mechanized mining face, a coal mining machine is arranged on the scraper conveyor, the coal mining machine can move back and forth along the scraper conveyor, and the hydraulic supports are arranged on the side, far away from the fully mechanized mining face, of the scraper conveyor;
each hydraulic support is provided with a set of hydraulic support state information acquisition device 100, the distance measurement sensor module is installed at the front end of a hydraulic support base, the pressure sensor module is installed on the lower cavity of the upright post and the two cavities of the balance jack, the acquired pressure information records the pressure born by the hydraulic support in the working process, the historical data of the pressure can be recorded to predict the coming pressure of the working face, and a basis is provided for intelligent control of the working face;
the stroke sensor module is arranged at the front end of the base of the hydraulic support, the hydraulic support needs to be guaranteed to be vertical to the scraper conveyor in the pushing process, and data obtained by the stroke sensor module can reflect the relative position of the current hydraulic support and the scraper conveyor and the relative position of the current hydraulic support and the adjacent hydraulic support. If the hydraulic support is inclined in the pushing process, the acceleration sensor module can acquire the inclination angle. The acceleration sensor module may convert the acquired distance information into position information of the hydraulic mount.
The acceleration sensor module can be an inclination angle sensor, is arranged on the top beam, the base and the rear connecting rod of the hydraulic support, and can monitor the attitude information of the hydraulic support in real time and provide data support for workers to know the working state of the hydraulic support on the one hand by measuring the inclination angle data of the positions of the hydraulic support; on the other hand, the pressure data measured by the pressure sensor can be combined to calculate the stress balance point of the hydraulic support, so that a basis is provided for better controlling the hydraulic support. Specifically, it is theoretical mechanics knowledge to calculate the stress balance point of the hydraulic bracket according to the inclination angle data and the pressure data, and for the prior art, detailed description is omitted.
The wireless communication mode includes wireless communication chips such as loRa, wiFi, bluetooth, zigBee, 4G, if adopt the loRa module, then can set for this module work at 433MHz frequency channel, under 3 grades of energy consumption modes, this module underground communication distance is 100 meters this moment, can satisfy the communication demand.
And the hydraulic support is provided with the hydraulic support state information display substation 200. The hydraulic support state information display substation 200 receives data acquired by each sensor module in a wireless communication mode, and according to wireless communication distances and communication speeds, one hydraulic support state information display substation 200 is arranged for every five hydraulic supports, and certainly, on the premise of not considering cost, one hydraulic support state information display substation 200 can be arranged on each hydraulic support.
The data collected by each sensor module includes the serial number information of the hydraulic support, and the hydraulic support state information display substation 200 can be installed on the hydraulic support with the smallest serial number in a group (five) of corresponding hydraulic supports.
Specifically, the state information of the hydraulic support in the fully mechanized mining face carries the serial number information of the hydraulic support;
the gateway monitoring center 400 is further configured to determine a corresponding working state of the hydraulic support according to the serial number information of the hydraulic support. Therefore, when the working state of the hydraulic support is abnormal, the specific hydraulic support can be quickly determined to strengthen support or rush repair, so that the safety of the fully mechanized mining face is ensured.
The crossheading monitoring center 400 is arranged in an upper crossheading, and the hydraulic support state information display substation 200 and the crossheading monitoring center 400 transmit data in a wireless communication mode.
Wherein, in accordance with the foregoing description, and as shown with reference to FIG. 2, in some embodiments, one to two hydraulic support information display master stations 300 may be provided per worksurface. If one working surface is provided with one main station, the main station is arranged in the middle of the mining working surface; if one working face is provided with two main stations, the main stations are arranged at one third and two thirds of the length of the mining working face.
The embodiment of the utility model provides a combine and adopt working face hydraulic support operating condition monitoring system, can gather the state information in the hydraulic support working process through the multiple sensor module that has the wireless transmission function, can obtain hydraulic support's operating condition behind the information processing with the gained, it provides the foundation to carry out hydraulic support control for the mine staff, for hydraulic support automatic control system provides data support, the demand of colliery staff to hydraulic support information acquisition has been satisfied, the blank that should combine and adopt working face hydraulic support operating condition monitoring system on the market has been filled, it has important meaning to the research and development of coal face intelligent system.
It should be noted that, in the present specification, all the embodiments are described in a related manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. Moreover, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a combine and adopt working face hydraulic support operating condition monitoring system which characterized in that includes: the system comprises a hydraulic support state information acquisition device, a hydraulic support state information display substation, a crossheading monitoring center and a ground monitoring center;
the hydraulic support state information acquisition device and the hydraulic support state information display substation are arranged on the hydraulic support, the crossheading monitoring center is arranged in a crossheading, the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation through a wireless communication technology, and the hydraulic support state information display substation is connected with the crossheading monitoring center through a wireless communication technology.
2. The monitoring system of claim 1, further comprising: the hydraulic support information display main station is arranged between the hydraulic support state information display substation and the crossheading monitoring center, the input end of the hydraulic support information display main station is connected with the output end of the hydraulic support state information display substation, and the output end of the hydraulic support information display main station is connected with the input end of the crossheading monitoring center.
3. The monitoring system of claim 1 or 2, further comprising: and the ground monitoring center is connected to the output end of the crossheading monitoring center.
4. The monitoring system of claim 1, wherein the hydraulic support state information acquisition device is connected with the hydraulic support state information display substation and/or the gateway monitoring center in a wireless communication manner.
5. The monitoring system of claim 2, wherein the hydraulic mount status information acquisition device includes but is not limited to: the device comprises an acceleration sensor module, a pressure sensor module, a distance measuring sensor module and a stroke sensor module;
the device comprises an acceleration sensor module, a hydraulic support base, a distance measurement sensor module and a stroke sensor module, wherein the acceleration sensor module is arranged on a top beam of the hydraulic support, the base and a rear connecting rod, the pressure sensor module is arranged on a lower cavity of a stand column and two cavities of a balance jack, the distance measurement sensor module is arranged at the front end of the hydraulic support base, and the stroke sensor module is.
6. The monitoring system of claim 5, wherein the number of the hydraulic supports is multiple, one hydraulic support state information acquisition device is arranged on one or more hydraulic supports, and one hydraulic support state information acquisition device is correspondingly connected with one hydraulic support state information display substation.
7. The monitoring system of claim 6, wherein the hydraulic support state information acquisition device and the hydraulic support state information display substation are provided in plurality.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441825A (en) * | 2020-03-05 | 2020-07-24 | 天地科技股份有限公司 | Fully-mechanized mining face hydraulic support working state monitoring system |
| CN113759778A (en) * | 2021-08-31 | 2021-12-07 | 北京天地玛珂电液控制系统有限公司 | Fully mechanized coal mining control system |
| CN114215564A (en) * | 2021-12-15 | 2022-03-22 | 北京康宁电通科技发展有限公司 | Intelligent early warning method for coal mine support equipment |
| CN118151592A (en) * | 2024-05-11 | 2024-06-07 | 晋能控股煤业集团同忻煤矿山西有限公司 | Coal mining centralized control system of fully mechanized coal mining face based on low power consumption |
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2020
- 2020-03-05 CN CN202020262328.1U patent/CN212563333U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441825A (en) * | 2020-03-05 | 2020-07-24 | 天地科技股份有限公司 | Fully-mechanized mining face hydraulic support working state monitoring system |
| CN113759778A (en) * | 2021-08-31 | 2021-12-07 | 北京天地玛珂电液控制系统有限公司 | Fully mechanized coal mining control system |
| WO2023029231A1 (en) * | 2021-08-31 | 2023-03-09 | 北京天玛智控科技股份有限公司 | Fully mechanized mining control system |
| CN114215564A (en) * | 2021-12-15 | 2022-03-22 | 北京康宁电通科技发展有限公司 | Intelligent early warning method for coal mine support equipment |
| CN114215564B (en) * | 2021-12-15 | 2023-11-28 | 北京康宁电通科技发展有限公司 | Intelligent early warning method for coal mine supporting equipment |
| CN118151592A (en) * | 2024-05-11 | 2024-06-07 | 晋能控股煤业集团同忻煤矿山西有限公司 | Coal mining centralized control system of fully mechanized coal mining face based on low power consumption |
| CN118151592B (en) * | 2024-05-11 | 2024-08-02 | 晋能控股煤业集团同忻煤矿山西有限公司 | Coal mining centralized control system of fully mechanized coal mining face based on low power consumption |
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