CN111594167A - Coal caving method for automatic fully mechanized caving face - Google Patents
Coal caving method for automatic fully mechanized caving face Download PDFInfo
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- CN111594167A CN111594167A CN202010419133.8A CN202010419133A CN111594167A CN 111594167 A CN111594167 A CN 111594167A CN 202010419133 A CN202010419133 A CN 202010419133A CN 111594167 A CN111594167 A CN 111594167A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
Abstract
According to the coal caving method for the automatic fully-mechanized caving face, when a coal cutter of the fully-mechanized caving face descends to perform coal caving, the upper end head of the coal cutter is obliquely cut and fed, and feeding is completed after the coal cutter completely enters a straight line section; controlling the coal mining machine to descend at a preset speed; when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group; the coal discharging of the even-numbered hydraulic supports in each group of hydraulic supports is automatically carried out at the same time, and the coal discharging of the odd-numbered hydraulic supports is automatically carried out at the same time after the coal discharging operation of the even-numbered hydraulic supports is finished; this application is fully mechanized and is put working face coal caving process and need not manual operation, and the working face hydraulic support carries out the coal caving operation according to the position of coal-winning machine is automatic, and is the same with the effect of artifical caving coal, and automatic coal caving has improved working face coal caving efficiency, has avoided the difference of personnel's operation.
Description
Technical Field
The application relates to the field of automatic coal caving, in particular to a coal caving method for an automatic fully mechanized caving face.
Background
The coal 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, is a key area in the safety management work of the coal mine, is the development trend of the modern coal mining process for intelligent mining of the coal face, and is a great problem of automatic coal caving for how to realize intelligent coal caving in a coal caving procedure of a fully mechanized coal caving face and reduce working face operators.
At present, the coal caving procedure of the fully mechanized caving face needs manual operation. However, the coal caving technology of the coal caving workers is different, and the coal caving workers are affected by coal dust at the coal caving port in the coal caving process, so that the manual top coal caving effect of each hydraulic support on the working face is different.
Disclosure of Invention
The application provides a coal caving method for an automatic fully-mechanized caving face, which aims to solve the technical problem that the coal caving process of the fully-mechanized caving face needs manual operation and even results in uneven coal caving effect.
The invention provides a coal caving method for an automatic fully mechanized caving face, which comprises the following steps of:
obliquely cutting and feeding the upper end head of the coal mining machine, wherein the feeding of the coal mining machine is finished after the coal mining machine completely enters the straight line section;
controlling the coal mining machine to descend at a preset speed;
when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group of hydraulic supports;
the coal discharging is automatically carried out on the even number hydraulic supports in each group of hydraulic supports at the same time;
and after the coal caving operation of the even-numbered hydraulic supports is finished, the coal caving of the odd-numbered hydraulic supports is automatically carried out at the same time.
In one possible design, the method further comprises cleaning float coal on the fully mechanized caving face shearer.
In one possible design, the shearer includes:
the coal cutter head is cut through;
controlling the coal mining machine to ascend at a preset speed;
when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group of hydraulic supports;
the coal discharging is automatically carried out on the even number hydraulic supports in each group of hydraulic supports at the same time;
and after the coal caving operation of the even-numbered hydraulic supports is finished, the coal caving of the odd-numbered hydraulic supports is automatically carried out at the same time.
In one possible design, the hydraulic support automatically carries out coal caving, and the hydraulic support automatically carries out coal caving according to preset cycle times;
the automatic coal discharging of each hydraulic support comprises:
the flashboard jack electromagnetic valve receives a recovery signal and controls the recovery of the flashboard jacks to continuously act for 2 seconds;
a tail beam jack electromagnetic valve receives a recovery signal, controls the recovery of the tail beam jack and continues to act for 3 seconds;
receiving a coal caving signal, controlling the coal caving action, and continuously acting for 3 seconds;
the tail beam jack electromagnetic valve receives the extension signal, controls the extension of the tail beam jack and continues to act for 4 seconds;
and the flashboard jack electromagnetic valve receives the extension signal, controls the extension of the flashboard jack and continuously acts for 6 seconds.
In one possible design, the shearer moves downward at a preset speed, and the preset speed is controlled to be 3 m/min-6 m/min.
In one possible design, the distance between the coal mining machine and the hydraulic support reaches a preset distance, and the preset distance is 10-16 hydraulic supports.
According to the coal caving method for the automatic fully-mechanized caving face, when a coal cutter of the fully-mechanized caving face descends to perform coal caving, the upper end head of the coal cutter is obliquely cut and fed, and feeding is completed after the coal cutter completely enters a straight line section; controlling the coal mining machine to descend at a preset speed; when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group; the even-numbered hydraulic supports in each group of hydraulic supports automatically discharge coal, and the odd-numbered hydraulic supports automatically discharge coal after the even-numbered hydraulic supports complete coal discharge operation; this application is fully mechanized and is put working face coal caving process and need not manual operation, and the working face hydraulic support carries out the coal caving operation according to the position of coal-winning machine is automatic, and is the same with the effect of artifical caving coal, and automatic coal caving has improved working face coal caving efficiency, has avoided the difference of personnel's operation, has reduced the time of coal caving worker work in the coal dust.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a downstream coal caving process of the present application for an automated fully mechanized caving face coal caving method;
FIG. 2 is an ascending coal caving flow chart of the coal caving method for the automatic fully mechanized caving face according to the present application;
FIG. 3 is a schematic view of a downward coal caving of a coal mining machine on a fully mechanized caving face according to an embodiment of the present application;
FIG. 4 is a schematic diagram of coal caving on a fully mechanized coal mining machine according to an embodiment of the present application;
wherein: 100-a coal mining machine; 101-coal cutter position judgment points; 200-a set of hydraulic supports; 300-a hydraulic support; 301-odd numbered hydraulic supports; 302-even numbered hydraulic supports; d1-a set of hydraulic mount ranges; d2-the distance between the coal mining machine and the hydraulic support reaches a preset distance; v-the preset speed of the shearer.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present application is described in further detail below with reference to the attached drawing figures:
example one
The embodiment of the application provides a coal caving method for an automatic fully mechanized caving face, which is used in the field of automatic coal caving and is shown in a reference figure 1.
The method comprises the following steps of when the coal mining machine of the fully mechanized caving face descends to discharge coal:
and S11, obliquely cutting and feeding the upper end head of the coal mining machine 100, wherein the feeding is finished after the coal mining machine 100 completely enters the straight line section.
S12, controlling the coal mining machine 100 to descend at a preset speed V; wherein the preset speed V is controlled to be 3-6 m/min.
And S13, when the distance between the coal mining machine 100 and the hydraulic support 300 reaches the preset distance D1, starting automatic coal caving operation, wherein the automatic coal caving operation adopts a plurality of hydraulic supports as a group of hydraulic supports 200 to carry out coal caving operation. The preset distance D1 is 10-16 hydraulic supports, and each group of hydraulic supports comprises a plurality of hydraulic supports.
And S14, automatically discharging coal by even-numbered hydraulic supports 302 in each group of hydraulic supports 200.
And S15, after the coal discharging operation of the even-numbered hydraulic supports 302 is finished, the odd-numbered hydraulic supports 301 automatically discharge coal at the same time.
The method further comprises the step of cleaning float coal on the fully mechanized caving face coal mining machine 100, wherein the cleaning float coal on the coal mining machine 100 comprises the following steps:
s21, the coal mining machine 100 cuts through the machine head.
And S22, controlling the coal mining machine 100 to ascend at a preset speed V.
And S23, when the distance between the coal mining machine 100 and the hydraulic support 300 reaches the preset distance D1, starting automatic coal caving operation, wherein the automatic coal caving operation adopts a plurality of hydraulic supports as a group of hydraulic supports 200 to carry out coal caving operation.
And S24, automatically discharging coal by even-numbered hydraulic supports 302 in each group of hydraulic supports 200.
And S25, after the coal discharging operation of the even-numbered hydraulic supports 302 is finished, the odd-numbered hydraulic supports 301 automatically discharge coal at the same time.
The hydraulic support automatically carries out coal caving, and the hydraulic support automatically carries out coal caving according to preset cycle times.
The automatic coal discharging of each hydraulic support comprises the following processes:
the flashboard jack electromagnetic valve receives a recovery signal and controls the recovery of the flashboard jacks to continuously act for 2 seconds; a tail beam jack electromagnetic valve receives a recovery signal, controls the recovery of the tail beam jack and continues to act for 3 seconds; receiving a coal caving signal, controlling the coal caving action, and continuously acting for 3 seconds; the tail beam jack electromagnetic valve receives the extension signal, controls the extension of the tail beam jack and continues to act for 4 seconds; and the flashboard jack electromagnetic valve receives the extension signal, controls the extension of the flashboard jack and continuously acts for 6 seconds.
According to the coal caving method for the automatic fully-mechanized caving face, when a coal cutter of the fully-mechanized caving face descends to perform coal caving, the upper end head of the coal cutter is obliquely cut and fed, and feeding is completed after the coal cutter completely enters a straight line section; controlling the coal mining machine to descend at a preset speed; when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group of hydraulic supports; the even-numbered hydraulic supports in each group of hydraulic supports automatically discharge coal, and the odd-numbered hydraulic supports automatically discharge coal after the even-numbered hydraulic supports complete coal discharge operation; this application is fully mechanized and is put working face coal caving process and need not manual operation, and the working face hydraulic support carries out the coal caving operation according to the position of coal-winning machine is automatic, and is the same with the effect of artifical caving coal, and automatic coal caving has improved working face coal caving efficiency, has avoided the difference of personnel's operation, has reduced the time of coal caving worker work in the coal dust.
Example two
The embodiment of the application provides a coal caving method for an automatic fully-mechanized caving face, which is used in the field of automatic coal caving and is shown in figure 3, and the coal caving method for the automatic fully-mechanized caving face comprises the following steps when a coal mining machine of the fully-mechanized caving face descends to perform coal caving:
and (3) obliquely cutting and feeding the upper end head of the coal mining machine 100, wherein the feeding is finished after the coal mining machine 100 completely enters the straight line section. And controlling the coal mining machine 100 to descend at a preset speed V of 3 m/min.
And when the distance between the coal mining machine 100 and the hydraulic support 300 reaches a preset distance D1 which is equal to 16 hydraulic supports, starting automatic coal discharging operation.
In fig. 3, 16 hydraulic supports are spaced between the hydraulic support with the number 27 and the hydraulic support with the number 10 corresponding to the shearer position determination point 101 on the shearer 100, and the automatic coal caving operation uses a group of hydraulic supports 200 as an operation unit, each group of hydraulic supports includes 5 hydraulic supports, and the hydraulic supports with the numbers 27-31 in fig. 3. The even-numbered hydraulic supports 302 (numbered 28 and 30) in each group of hydraulic supports 200 simultaneously and automatically discharge coal. After the even-numbered hydraulic supports 302 complete the coal discharging operation, the odd-numbered hydraulic supports 301 (numbered 27, 29, 31) automatically discharge coal at the same time.
And then, continuing descending, wherein 16 hydraulic supports are arranged between the hydraulic support with the number of 22 and the hydraulic support with the number of 5 corresponding to the coal mining machine position judgment point 101 on the coal mining machine 100, and the automatic coal caving operation takes a group of hydraulic supports 200 as an operation unit, each group of hydraulic supports comprises 5 hydraulic supports, and the hydraulic supports with the numbers of 22-26 in fig. 4. The coal discharging is automatically carried out on the even-numbered hydraulic supports 302 (numbered 22, 24 and 26) in each group of hydraulic supports 200 at the same time. After the even-numbered hydraulic supports 302 complete the coal discharging operation, the odd-numbered hydraulic supports 301 (numbered 23 and 25) automatically discharge coal at the same time.
The hydraulic support automatically carries out coal caving, and the hydraulic support automatically carries out coal caving according to preset cycle times. The automatic coal discharging of each hydraulic support comprises the following processes:
the flashboard jack electromagnetic valve receives a recovery signal and controls the recovery of the flashboard jacks to continuously act for 2 seconds; a tail beam jack electromagnetic valve receives a recovery signal, controls the recovery of the tail beam jack and continues to act for 3 seconds; receiving a coal caving signal, controlling the coal caving action, and continuously acting for 3 seconds; the tail beam jack electromagnetic valve receives the extension signal, controls the extension of the tail beam jack and continues to act for 4 seconds; and the flashboard jack electromagnetic valve receives the extension signal, controls the extension of the flashboard jack and continuously acts for 6 seconds.
The hydraulic support is shown to be cycled 2 times, with each of the above described continuous motions being cycled 2 times.
Referring to fig. 4, the method further includes cleaning float coal on the fully mechanized caving face coal mining machine 100, the cleaning float coal on the coal mining machine 100 includes:
the shearer 100 cuts through the head.
And controlling the coal mining machine 100 to move upwards at a preset speed V of 3 m/min.
And when the distance between the coal mining machine 100 and the hydraulic support 300 reaches a preset distance D1 which is equal to 16 hydraulic supports, starting automatic coal discharging operation.
In fig. 4, 16 hydraulic supports are spaced between the hydraulic support with the number 47 and the hydraulic support with the number 64 corresponding to the shearer position determination point 101 on the shearer 100, and the automatic coal caving operation uses a group of hydraulic supports 200 as an operation unit, each group of hydraulic supports includes 5 hydraulic supports, and the hydraulic supports with the numbers 42-47 in fig. 4. The even numbered hydraulic supports 302 (numbered 44, 46) in each set of hydraulic supports 200 are simultaneously and automatically discharged. After the even-numbered hydraulic supports 302 complete the coal discharging operation, the odd-numbered hydraulic supports 301 (numbered 43, 45, 47) automatically discharge coal at the same time.
And then continuing to move upwards, wherein 16 hydraulic supports are arranged between the hydraulic support with the number of 52 and the hydraulic support with the number of 69 corresponding to the shearer position judgment point 101 on the shearer 100, and the automatic coal caving operation takes a group of hydraulic supports 200 as an operation unit, each group of hydraulic supports comprises 5 hydraulic supports, and the hydraulic supports with the numbers of 48-52 in fig. 4. The coal discharging is automatically carried out on the even-numbered hydraulic supports 302 (numbered 48, 50 and 52) in each group of hydraulic supports 200 at the same time. After the even-numbered hydraulic supports 302 complete the coal discharging operation, the odd-numbered hydraulic supports 301 (numbered 49 and 51) automatically discharge coal at the same time.
The hydraulic support automatically carries out coal caving, and the hydraulic support automatically carries out coal caving according to preset cycle times.
The automatic coal discharging of each hydraulic support comprises the following processes:
the flashboard jack electromagnetic valve receives a recovery signal and controls the recovery of the flashboard jacks to continuously act for 2 seconds; a tail beam jack electromagnetic valve receives a recovery signal, controls the recovery of the tail beam jack and continues to act for 3 seconds; receiving a coal caving signal, controlling the coal caving action, and continuously acting for 3 seconds; the tail beam jack electromagnetic valve receives the extension signal, controls the extension of the tail beam jack and continues to act for 4 seconds; and the flashboard jack electromagnetic valve receives the extension signal, controls the extension of the flashboard jack and continuously acts for 6 seconds.
According to the coal caving method for the automatic fully-mechanized caving face, when a coal cutter of the fully-mechanized caving face descends to perform coal caving, the upper end head of the coal cutter is obliquely cut and fed, and feeding is completed after the coal cutter completely enters a straight line section; controlling the coal mining machine to descend at a preset speed; when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group of hydraulic supports; the even-numbered hydraulic supports in each group of hydraulic supports automatically discharge coal, and the odd-numbered hydraulic supports automatically discharge coal after the even-numbered hydraulic supports complete coal discharge operation; this application is fully mechanized and is put working face coal caving process and need not manual operation, and the working face hydraulic support carries out the coal caving operation according to the position of coal-winning machine is automatic, and is the same with the effect of artifical caving coal, and automatic coal caving has improved working face coal caving efficiency, has avoided the difference of personnel's operation, has reduced the time of coal caving worker work in the coal dust.
The above-mentioned contents are only for explaining the technical idea of the present application, and the protection scope of the present application is not limited thereby, and any modification made on the basis of the technical idea presented in the present application falls within the protection scope of the claims of the present application.
Additionally, the order in which elements and sequences of the processes described herein are processed, the use of alphanumeric characters, or the use of other designations, is not intended to limit the order of the processes and methods described herein, unless explicitly claimed. While various presently contemplated embodiments of the invention have been discussed in the foregoing disclosure by way of example, it is to be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.
Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
The entire contents of each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, are hereby incorporated by reference into this application. Except where the application is filed in a manner inconsistent or contrary to the present disclosure, and except where the claim is filed in its broadest scope (whether present or later appended to the application) as well. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the statements and/or uses of the present application in the material attached to this application.
Claims (6)
1. A coal caving method for an automatic fully mechanized caving face is characterized by comprising the following steps of:
obliquely cutting and feeding the upper end head of the coal mining machine, wherein the feeding of the coal mining machine is finished after the coal mining machine completely enters the straight line section;
controlling the coal mining machine to descend at a preset speed;
when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group of hydraulic supports;
the coal discharging is automatically carried out on the even number hydraulic supports in each group of hydraulic supports at the same time;
and after the coal caving operation of the even-numbered hydraulic supports is finished, the coal caving of the odd-numbered hydraulic supports is automatically carried out at the same time.
2. The method for automated fully mechanized caving face coal caving according to claim 1, further comprising cleaning float coal on a fully mechanized face coal mining machine.
3. The method for caving coal for an automated fully mechanized caving face according to claim 2, wherein the shearer upgoing clean float coal comprises:
the coal cutter head is cut through;
controlling the coal mining machine to ascend at a preset speed;
when the interval between the coal mining machine and the hydraulic support reaches a preset interval, starting automatic coal caving operation, wherein the automatic coal caving operation is carried out by taking a plurality of hydraulic supports as a group of hydraulic supports;
the coal discharging is automatically carried out on the even number hydraulic supports in each group of hydraulic supports at the same time;
and after the coal caving operation of the even-numbered hydraulic supports is finished, the coal caving of the odd-numbered hydraulic supports is automatically carried out at the same time.
4. The coal caving method for the automatic fully mechanized caving face according to claim 1 or 3, wherein the hydraulic support automatically carries out coal caving, and the hydraulic support automatically carries out coal caving according to a preset cycle number;
the automatic coal discharging of each hydraulic support comprises:
the flashboard jack electromagnetic valve receives a recovery signal and controls the recovery of the flashboard jacks to continuously act for 2 seconds;
a tail beam jack electromagnetic valve receives a recovery signal, controls the recovery of the tail beam jack and continues to act for 3 seconds;
receiving a coal caving signal, controlling the coal caving action, and continuously acting for 3 seconds;
the tail beam jack electromagnetic valve receives the extension signal, controls the extension of the tail beam jack and continues to act for 4 seconds;
and the flashboard jack electromagnetic valve receives the extension signal, controls the extension of the flashboard jack and continuously acts for 6 seconds.
5. The method for the coal caving of the automated fully mechanized coal caving face according to claim 1 or 3, wherein the coal mining machine descends at a preset speed, and the preset speed is controlled to be 3m/min to 6 m/min.
6. The coal caving method for the automatic fully mechanized caving face according to claim 1 or 3, wherein the coal mining machine and the hydraulic support are spaced to reach a preset spacing, and the preset spacing is 10-16 hydraulic supports.
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| CN202010419133.8A CN111594167A (en) | 2020-05-18 | 2020-05-18 | Coal caving method for automatic fully mechanized caving face |
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| CN202010419133.8A CN111594167A (en) | 2020-05-18 | 2020-05-18 | Coal caving method for automatic fully mechanized caving face |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8770667B1 (en) * | 2013-03-14 | 2014-07-08 | Seneca Industries Inc. | Mining methods and equipment |
| CN104929642A (en) * | 2015-06-03 | 2015-09-23 | 西安科技大学 | Top coal caving quantity regional control method for variable angle fully mechanized caving face of steeply dipping seam |
| CN109113741A (en) * | 2018-07-17 | 2019-01-01 | 北京天地玛珂电液控制系统有限公司 | Automatic coal discharge control system based on video monitor image recognition |
| CN109856631A (en) * | 2019-02-27 | 2019-06-07 | 中国矿业大学 | Coal method is put in a kind of intelligence based on top coal amounts of thickness variation real-time monitoring |
| CN110107296A (en) * | 2019-04-30 | 2019-08-09 | 天地科技股份有限公司 | Coal platform and method are put in super high seam fully mechanized coal face intelligence group |
-
2020
- 2020-05-18 CN CN202010419133.8A patent/CN111594167A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8770667B1 (en) * | 2013-03-14 | 2014-07-08 | Seneca Industries Inc. | Mining methods and equipment |
| CN104929642A (en) * | 2015-06-03 | 2015-09-23 | 西安科技大学 | Top coal caving quantity regional control method for variable angle fully mechanized caving face of steeply dipping seam |
| CN109113741A (en) * | 2018-07-17 | 2019-01-01 | 北京天地玛珂电液控制系统有限公司 | Automatic coal discharge control system based on video monitor image recognition |
| CN109856631A (en) * | 2019-02-27 | 2019-06-07 | 中国矿业大学 | Coal method is put in a kind of intelligence based on top coal amounts of thickness variation real-time monitoring |
| CN110107296A (en) * | 2019-04-30 | 2019-08-09 | 天地科技股份有限公司 | Coal platform and method are put in super high seam fully mechanized coal face intelligence group |
Non-Patent Citations (1)
| Title |
|---|
| 马英: "综放工作面自动化放顶煤系统研究", 《煤炭科学技术》 * |
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Application publication date: 20200828 |