Method, device and electronic equipment for determining the withdrawal strategy of unit support for cutting top and lane forming

Abstract

The present disclosure proposes a method, device and electronic equipment for determining a withdrawal strategy for a unit support in a cut-top lane. The method includes: obtaining monitoring data of multiple indicators in the cut-top lane, and determining the stability of the multiple indicators based on the monitoring data, and determining a withdrawal strategy for the unit support in the cut-top lane based on the stability of the multiple indicators. Since the withdrawal strategy is determined based on the stability of the multiple indicators, it can accurately guide the withdrawal of the unit support in the cut-top lane, thereby improving the success rate of retaining the lane; in addition, the withdrawal can also recycle the support, thereby saving the cost of retaining the lane.

Description

Technical Field

[0001] The present disclosure relates to the technical field of mining construction, and in particular to a method, device and electronic equipment for determining a withdrawal strategy for a unit support of a top cutting and lane forming unit. Background Art

[0002] Currently, pillarless mining, which involves cutting tops and unloading lanes, has been widely promoted and applied in mining areas across China. As coal seam thickness and burial depth change, the impact of dynamic pressure on the newly formed lanes during face mining increases. The impact of rear dynamic pressure also gradually expands. To prevent significant deformation of the successfully retained lanes during dynamic pressure, unit supports are deployed in the existing lanes within the dynamic pressure influence period. Once the dynamic pressure effect is eliminated, the unit supports are withdrawn to the newly retained lane area, and this cycle is repeated, saving lane retention costs while ensuring lane retention success. However, the lack of clear definitions of the unit support range and withdrawal indicators restricts the current lane retention quality. For example, withdrawing too early and limiting the support range can easily lead to lane retention failure; withdrawing too late and extending the support range too wide can significantly increase the number of unit supports deployed in a single lane, resulting in excessive lane retention costs. Summary of the Invention

[0003] The present disclosure proposes a method, device and electronic equipment for determining a withdrawal strategy for a unit support in a top-cutting lane, aiming to solve at least one of the technical problems in the related art to a certain extent.

[0004] The first embodiment of the present disclosure provides a method for determining a withdrawal strategy for a unit support of a cut-roof lane formation unit, comprising:

[0005] Obtain monitoring data of various indicators in the top-cut roadway;

[0006] Determine the stability of various indicators based on monitoring data; and

[0007] According to the stability of multiple indicators, the withdrawal strategy of the unit support in the cut-top tunnel is determined.

[0008] In some embodiments, the multiple indicators include: tunnel side displacement index, anchor cable stress index, unit support stress and shrinkage index, side pressure index of tunnel side along the airside, gas volume index, and air volume index.

[0009] In some embodiments, a withdrawal strategy for unit supports in a cut-roof laneway is determined based on the stability of multiple indicators, including:

[0010] When the primary indicator among multiple indicators is stable and the secondary indicators among multiple indicators are unstable, the retracement strategy is determined to be an interval retracement strategy, where the primary indicator includes the lane side displacement indicator.

[0011] In some embodiments, a withdrawal strategy for unit supports in a cut-roof tunnel is determined based on the stability of multiple indicators, including: when all multiple indicators are stable, determining the withdrawal strategy to be a sequential withdrawal strategy.

[0012] In some embodiments, the method further includes: determining the number of unstable indicators among the secondary indicators; and determining the number of interval brackets of the interval retracement strategy based on the number of indicators.

[0013] In some embodiments, the method further includes: obtaining feedback results of the unit support withdrawal; and modifying the withdrawal strategy according to the feedback results.

[0014] The second embodiment of the present disclosure provides a device for determining a withdrawal strategy for a cut-roof lane formation unit support, comprising:

[0015] An acquisition module is used to obtain monitoring data of various indicators in the top-cut roadway;

[0016] A first determination module is configured to determine the stability of multiple indicators based on monitoring data; and

[0017] The second determination module is used to determine the withdrawal strategy of the unit support in the cut-roof laneway according to the stability of multiple indicators.

[0018] In some embodiments, the multiple indicators include: tunnel side displacement index, anchor cable stress index, unit support stress and shrinkage index, side pressure index of tunnel side along the airside, gas volume index, and air volume index.

[0019] In some embodiments, the second determination module is specifically used to: when a primary indicator among multiple indicators is stable and a secondary indicator among multiple indicators is unstable, determine that the retracement strategy is an interval retracement strategy, wherein the primary indicator includes a lane side displacement indicator.

[0020] In some embodiments, the second determination module is specifically configured to: when all of the multiple indicators are stable, determine that the withdrawal strategy is a sequential withdrawal strategy.

[0021] In some embodiments, the second determination module is further used to: determine the number of unstable indicators in the secondary indicators; and determine the number of interval brackets of the interval retracement strategy based on the number of indicators.

[0022] In some embodiments, the apparatus further includes a correction module, specifically configured to: obtain feedback results of the unit support withdrawal; and correct the withdrawal strategy according to the feedback results.

[0023] A third embodiment of the present disclosure provides an electronic device, including:

[0024] At least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute the method for determining the withdrawal strategy of the cutting-top lane unit support in the embodiment of the present disclosure.

[0025] The fourth aspect of the present disclosure provides a non-transitory computer-readable storage medium storing computer instructions, wherein the computer instructions are used to enable the computer to execute the method for determining the withdrawal strategy of the cutting-top lane unit support disclosed in the embodiment of the present disclosure.

[0026] In this embodiment, by obtaining monitoring data of multiple indicators in the cut-top tunnel, and determining the stability of the multiple indicators based on the monitoring data, and determining the withdrawal strategy of the unit support in the cut-top tunnel based on the stability of the multiple indicators, since the withdrawal strategy is determined based on the stability of multiple indicators, it can accurately guide the withdrawal of the unit support in the cut-top tunnel and improve the success rate of retaining the tunnel; in addition, the withdrawal can also recycle the support, thereby saving the cost of retaining the tunnel.

[0027] Additional aspects and advantages of the present disclosure will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present disclosure will become apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0029] Figure 1 This is a flow chart of a method for determining a unit support withdrawal strategy for cutting the top and forming the lane according to an embodiment of the present disclosure;

[0030] Figure 2 Schematic diagram of the installation structure of the anchor dynamometer provided according to an embodiment of the present disclosure;

[0031] Figure 3 This is a schematic diagram of the telescopic displacement of a unit bracket provided according to an embodiment of the present disclosure;

[0032] Figure 4 Schematic diagram of the installation structure of the rock retaining stress gauge provided in accordance with an embodiment of the present disclosure;

[0033] Figure 5 1 is a flow chart of a method for determining a unit support withdrawal strategy for cutting a roof and forming a lane according to another embodiment of the present disclosure;

[0034] Figure 6 1 is a flow chart of a method for determining a unit support withdrawal strategy for cutting a roof and forming a lane according to another embodiment of the present disclosure;

[0035] Figure 7 is a schematic diagram of a device for determining a support withdrawal strategy for a cutting-roof lane forming unit according to another embodiment of the present disclosure;

[0036] Figure 8 A block diagram of an exemplary electronic device suitable for implementing embodiments of the present disclosure is shown. DETAILED DESCRIPTION

[0037] The following describes in detail embodiments of the present disclosure, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present disclosure and are not to be construed as limiting the present disclosure. On the contrary, the embodiments of the present disclosure include all variations, modifications, and equivalents that fall within the spirit and scope of the appended claims.

[0038] It should be noted that the executor of the method for determining the withdrawal strategy of the cut-top lane unit support in this embodiment may be a device for determining the withdrawal strategy of the cut-top lane unit support, which may be implemented by software and / or hardware, and may be configured in an electronic device, which may include but is not limited to a terminal, a server, etc.

[0039] Figure 1 FIG. 1 is a flow chart of a method for determining a strategy for withdrawing a support unit for cutting a top and forming a lane according to an embodiment of the present disclosure. Figure 1 As shown, the method includes:

[0040] S101: Acquire monitoring data of various indicators in the top-cut roadway.

[0041] In the disclosed embodiment, after the coal seam is top-cut to form a roadway, multiple indicators in the top-cut roadway can be monitored in real time to obtain monitoring data corresponding to each indicator.

[0042] In some embodiments, the multiple indicators may include, for example, tunnel side displacement indicators, anchor cable stress indicators, unit support stress and shrinkage indicators, side pressure indicators along the empty side tunnel side, gas volume indicators, air volume indicators and any other possible indicators, without limitation.

[0043] The roadway side displacement index is used to describe the displacement of the surrounding rock of a cut-roof roadway. Examples include: relative movement of the two sides of the cut-roof roadway, relative movement of the roof and floor, roof subsidence, and floor heave. This is not a limitation. In practical applications, a cross-point distribution method can be used to arrange observation points in the surrounding rock of the cut-roof roadway to measure monitoring data for this roadway side displacement index. The roadway side displacement index can be used to determine whether the cut-roof roadway is experiencing a period of intense change. If the cut-roof roadway is within the range of dynamic pressure, it will experience rapid deformation.

[0044] The anchor cable stress index is used to describe the stability of the roof of the cut-roof tunnel. When the tunnel is within the range of dynamic pressure, the tunnel roof will also deform. Since the anchor cable anchors the roof within the anchoring range together to form a composite beam structure, when the roof is affected by dynamic pressure, the anchor cable stress will also change accordingly. Based on this principle, it can be determined whether the cut-roof tunnel is within the range of dynamic pressure. Among them, the anchor cable dynamometer (or anchor cable force meter) can be used to monitor the monitoring data of the anchor cable stress index. Figure 2 Schematic diagram of the installation structure of the anchor dynamometer provided in accordance with an embodiment of the present disclosure. Figure 2 As shown in the figure, the anchor dynamometer consists of a tray-type sealed oil-filled pressure box with a center hole and a pressure gauge connected to it. When installing, the pressure box is put between the anchor pad (tray) and the nut of the outer anchor end, which can detect the change of axial force when the anchor is working. Multiple anchor measuring stations can be arranged on the top plate of the cut-top tunnel, and three anchor dynamometers are installed at each measuring station to measure the monitoring data of the anchor force index.

[0045] The unit support force and shrinkage index is used to describe the force and expansion and contraction of the unit support in the process of supporting the cut-top tunnel. When the tunnel is stable, the force and compression almost no longer change or fluctuate within a very small range. At the same time, the monitoring of the force and compression of the unit support can correspond to the anchor cable monitoring, providing a reference for support design and tunnel stability judgment. Among them, the unit support can be a constant resistance support, for example. When the force of the overburden exceeds the rated support resistance of the unit support, the unit support will automatically unload the pressure and the support will be compressed. When the remaining tunnel is within the influence range of dynamic pressure, the expansion and contraction displacement of the unit support will change irregularly. Based on this phenomenon, it can be judged whether the tunnel is within the influence range of dynamic pressure. Figure 3 is a schematic diagram of the telescopic displacement of a unit support provided according to an embodiment of the present disclosure, such as Figure 3 As shown, a measuring point is arranged on the upper column of the unit bracket and a measuring point is arranged on the base. The vertical displacement between the two measuring points is measured with a tape measure, which is the monitoring data of the force and shrinkage indicators.

[0046] The lateral pressure index along the goaf side of the tunnel is used to describe the lateral pressure along the goaf side of the tunnel caused by the collapse of the roof gangue after roof cutting. The goaf side of the tunnel gradually compacts under the action of mine pressure. During the compaction process, the lateral pressure along the goaf side of the tunnel interacts with the tunnel side support. When the tunnel is affected by the dynamic pressure from behind, the lateral pressure along the goaf side of the tunnel will also change. By monitoring the lateral pressure along the tunnel side of the tunnel, the variation pattern of the lateral pressure along the goaf side of the tunnel can be understood, and the variation pattern of the dynamic pressure at the working face can be indirectly determined. For example, the monitoring data of the lateral pressure index along the goaf side of the tunnel side of the tunnel can be measured using a retaining rock stress gauge. Specifically, at least two groups of retaining rock stress gauges can be deployed on the retaining rock side of the goaf side of the tunnel side of the tunnel, with a spacing of at least 50m between the two groups to prevent damage and provide a backup. This also enhances the accuracy of monitoring. Each group can be equipped with three retaining rock stress gauges. Figure 4 Schematic diagram of the installation structure of the rock retaining stress gauge provided in accordance with the embodiment of the present disclosure, as shown in FIG. Figure 4 As shown, each group of three rock retaining wall stress gauges is arranged: the first is located on the upper U-shaped steel on the rock retaining side, the second is located at the overlapping area of ​​the upper and lower U-shaped steel on the rock retaining side, and the third is located on the lower U-shaped steel on the rock retaining side. These gauges measure lateral pressure indicators along the open-ended roadway. This arrangement, using the disclosed embodiment, allows for a more comprehensive understanding of rock retaining wall deformation and, therefore, the impact of dynamic pressure on the roadway.

[0047] Gas and air volume indicators are used to describe gas and air leakage within the cut-roof roadway. Specifically, three air volume measurement points can be set up within the cut-roof roadway within a range of 0-100 m from the working face, one air volume measurement point 100-200 m from the working face, one air volume measurement point 200-300 m from the working face, and one air volume measurement point more than 300 m from the working face to measure gas and air volume indicators.

[0048] S102: Determine the stability of multiple indicators based on monitoring data.

[0049] After obtaining the monitoring data of multiple indicators as mentioned above, further, based on the corresponding monitoring data of the tunnel side displacement index, anchor cable stress index, unit support stress and shrinkage index, lateral pressure index of the tunnel side along the airside, gas volume index, and air volume index, the stability of each indicator is determined, that is, whether each indicator is stable or unstable.

[0050] For example, if the monitoring data of the tunnel side displacement index no longer changes or tends to be stable, it means that the tunnel side displacement index is stable, otherwise it is judged to be unstable; if the anchor cable force index no longer changes or tends to be stable, it means that the anchor cable force index is stable, otherwise it is judged to be unstable; the stability of other indicators is judged in the same way and will not be elaborated here.

[0051] S103: Determine a withdrawal strategy for the unit supports in the cut-top laneway based on the stability of multiple indicators.

[0052] Among them, the withdrawal strategy is used to guide the method and timing of withdrawing the unit support in the cut-top tunnel. For example, the withdrawal strategy includes sequential withdrawal, interval withdrawal strategy and any other possible withdrawal method, which is not limited.

[0053] In the embodiment of the present disclosure, the withdrawal strategy of the unit support in the cut-top tunnel can be determined based on the stability of multiple indicators. For example, the withdrawal strategy can be determined based on the stability of one or some of the multiple indicators, or based on the stability of all indicators. There is no limitation to this.

[0054] In some embodiments, after the withdrawal strategy determined in the above manner is used to guide the unit bracket withdrawal operation, feedback results of the unit bracket withdrawal can also be obtained, and the withdrawal strategy can be revised based on the feedback results. For example, the indicator selection for determining the withdrawal strategy can be revised, or other data of the withdrawal strategy can be revised, etc., and there is no limitation on this.

[0055] In this embodiment, by obtaining monitoring data of multiple indicators in the cut-top tunnel, and determining the stability of the multiple indicators based on the monitoring data, and determining the withdrawal strategy of the unit support in the cut-top tunnel based on the stability of the multiple indicators, since the withdrawal strategy is determined based on the stability of multiple indicators, it can accurately guide the withdrawal of the unit support in the cut-top tunnel and improve the success rate of retaining the tunnel; in addition, the withdrawal can also recycle the support, thereby saving the cost of retaining the tunnel.

[0056] Figure 5 FIG. 1 is a flow chart of a method for determining a strategy for withdrawing a support unit for cutting a top and forming a lane according to another embodiment of the present disclosure. Figure 5 As shown, the method includes:

[0057] S501: Acquire monitoring data of various indicators in the top-cut roadway.

[0058] S502: Determine the stability of multiple indicators based on the monitoring data.

[0059] The description of S501 - S502 can be found in the above embodiment and will not be repeated here.

[0060] S503: When all the multiple indicators are stable, determine that the retracement strategy is a sequential retracement strategy.

[0061] In the embodiment of the present disclosure, when determining the withdrawal strategy of the unit supports in the cut-roof roadway, when multiple indicators are all stable, for example, when the stability states of the six indicators of roadway wall displacement indicator, anchor cable force indicator, unit support force and shrinkage indicator, side roadway wall lateral pressure indicator along the empty side, gas volume indicator, and air volume indicator are all stable, the withdrawal strategy is determined to be a sequential withdrawal strategy. That is, when all indicators are stable, it can be determined that the cut-roof roadway is stable, and the unit supports used for support can be withdrawn sequentially. Therefore, the embodiment of the present disclosure can determine the sequential withdrawal strategy for withdrawal when all indicators are stable, which can fully ensure the stability of the roadway after the unit supports are withdrawn.

[0062] Figure 6 FIG. 1 is a flow chart of a method for determining a strategy for withdrawing a support unit for cutting a top and forming a lane according to another embodiment of the present disclosure. Figure 6 As shown, the method includes:

[0063] S601: Acquire monitoring data of various indicators in the top-cut roadway.

[0064] S602: Determine the stability of multiple indicators based on monitoring data.

[0065] The description of S601 - S602 can be found in the above embodiment and will not be repeated here.

[0066] S603: When the primary indicator among the multiple indicators is stable and the secondary indicators among the multiple indicators are unstable, determining that the retracement strategy is an interval retracement strategy.

[0067] In actual applications, the inventors have found that the above-mentioned multiple indicators (such as the lane wall displacement index, anchor cable stress index, unit support stress and shrinkage index, side lane wall lateral pressure index along the airside, gas volume index, and air volume index) have different degrees of influence on the stability of the cut-top lane. For example, the lane wall displacement index has the greatest impact on the stability of the cut-top lane, while the impact of other indicators is relatively small.

[0068] In view of this, the embodiments of the present disclosure can divide the above-mentioned multiple indicators into different levels, for example: divided into first-level indicators and second-level indicators, each level of indicators can include one or more of the above-mentioned 6 indicators, for example: the first-level indicators can include the tunnel side displacement indicators, the second-level indicators include the anchor cable force indicators, the unit support force and shrinkage indicators, the side pressure indicators of the tunnel side along the airside, the gas volume indicators, and the air volume indicators.

[0069] Furthermore, the interval retracement strategy can be determined based on the stability of the primary and secondary indicators.

[0070] Specifically, this embodiment can determine the withdrawal strategy as an interval withdrawal strategy when the primary indicator (i.e., the lane side displacement index) is stable and the secondary indicators among the multiple indicators are unstable (for example, one or more secondary indicators are unstable). That is, the interval withdrawal between units is guided by the interval withdrawal strategy, so that unit supports can be provided within a certain interval to ensure the stability of the lane.

[0071] Therefore, this embodiment can perform interval withdrawal of the unit supports when the indicator with the greatest impact on the stability of the cut-roof tunnel is stable and other indicators are not yet fully stable, thereby ensuring the stability of the tunnel support while recycling the unit supports.

[0072] Some embodiments can also determine the number of stable indicators among the secondary indicators. For example, if two of the secondary indicators, namely the anchor cable stress indicator and the unit support stress and shrinkage indicator, are unstable, and the other three are stable, then the number of stable indicators is three. Furthermore, this embodiment can determine the number of spaced supports in the interval withdrawal strategy based on the number of indicators. A greater number of stable indicators indicates a greater likelihood of stability in the cut-roof roadway, and the support spacing can be adaptively increased, i.e., a greater number of spaced supports.

[0073] For example, if there are three stable indicators in the secondary indicators, the number of interval supports can be three, that is, one is withdrawn every three; for another example, if there are four stable indicators, the possibility of tunnel stability is greater than that of three, so the number of interval supports can be appropriately increased, for example, the number of interval supports can be four, that is, one is withdrawn every four, thereby saving supports and ensuring tunnel stability.

[0074] In this embodiment, by obtaining monitoring data of multiple indicators in the cut-top laneway, and determining the stability of the multiple indicators based on the monitoring data, and determining the withdrawal strategy of the unit supports in the cut-top laneway based on the stability of the multiple indicators, since the withdrawal strategy is determined based on the stability of the multiple indicators, it can accurately guide the withdrawal of the unit supports in the cut-top laneway and improve the success rate of retaining the lane; in addition, the withdrawal can also recycle the supports, thereby saving the cost of retaining the lane. In addition, this embodiment can perform interval withdrawal of the unit supports when the indicator that has the greatest impact on the stability of the cut-top lane is stable and other indicators are not yet fully stable, so that the stability of the lane support can be guaranteed while the unit supports are recycled.

[0075] In order to implement the above embodiment, the present disclosure also proposes a device for determining a withdrawal strategy for a cut-top lane unit support.

[0076] Figure 7 It is a schematic diagram of a device for determining a withdrawal strategy for a cut-to-roof lane unit support provided according to an embodiment of the present disclosure.

[0077] like Figure 7 As shown, the device 70 for determining the withdrawal strategy of the cutting-roof lane forming unit support includes:

[0078] An acquisition module 701 is used to acquire monitoring data of various indicators in the roof cut tunnel;

[0079] A first determination module 702 is configured to determine the stability of multiple indicators based on monitoring data; and

[0080] The second determination module 703 is used to determine the withdrawal strategy of the unit support in the cut-roof lane according to the stability of multiple indicators.

[0081] In some embodiments, the multiple indicators include: tunnel side displacement index, anchor cable stress index, unit support stress and shrinkage index, side pressure index of tunnel side along the airside, gas volume index, and air volume index.

[0082] In some embodiments, the second determination module 703 is specifically used to: when a primary indicator among multiple indicators is stable and a secondary indicator among multiple indicators is unstable, determine that the retracement strategy is an interval retracement strategy, wherein the primary indicator includes a lane side displacement indicator.

[0083] In some embodiments, the second determining module 703 is specifically configured to: when all of the multiple indicators are stable, determine that the withdrawal strategy is a sequential withdrawal strategy.

[0084] In some embodiments, the second determination module 703 is further used to: determine the number of unstable indicators in the secondary indicators; and determine the number of interval brackets of the interval retracement strategy based on the number of indicators.

[0085] In some embodiments, the apparatus 70 further includes a correction module, specifically configured to: obtain feedback results of the unit support withdrawal; and correct the withdrawal strategy according to the feedback results.

[0086] In this embodiment, by obtaining monitoring data of multiple indicators in the cut-top tunnel, and determining the stability of the multiple indicators based on the monitoring data, and determining the withdrawal strategy of the unit support in the cut-top tunnel based on the stability of the multiple indicators, since the withdrawal strategy is determined based on the stability of multiple indicators, it can accurately guide the withdrawal of the unit support in the cut-top tunnel and improve the success rate of retaining the tunnel; in addition, the withdrawal can also recycle the support, thereby saving the cost of retaining the tunnel.

[0087] According to an embodiment of the present disclosure, the present disclosure also provides an electronic device, a readable storage medium, and a computer program product.

[0088] In order to implement the above embodiments, the present disclosure further proposes a computer program product. When the instruction processor in the computer program product is executed, the method for determining the withdrawal strategy of the cutting-top lane unit support proposed in the above embodiments of the present disclosure is executed.

[0089] Figure 8 A block diagram of an exemplary electronic device suitable for implementing embodiments of the present disclosure is shown. Figure 8 The electronic device 12 shown is only an example and should not limit the functionality and scope of use of the embodiments of the present disclosure.

[0090] like Figure 8 As shown, electronic device 12 is implemented as a general-purpose computing device. Components of electronic device 12 may include, but are not limited to, one or more processors or processing units 16, system memory 28, and a bus 18 that connects various system components (including system memory 28 and processing unit 16).

[0091] Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety of bus architectures. Examples of such architectures include, but are not limited to, the Industry Standard Architecture (ISA) bus, the Micro Channel Architecture (MAC) bus, the Enhanced ISA bus, the Video Electronics Standards Association (VESA) local bus, and the Peripheral Component Interconnection (PCI) bus.

[0092] The electronic device 12 typically includes a variety of computer system readable media. These media can be any available media that can be accessed by the electronic device 12, including volatile and non-volatile media, removable and non-removable media.

[0093] The memory 28 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) 30 and / or cache memory 32. The electronic device 12 may further include other removable / non-removable, volatile / non-volatile computer system storage media. By way of example only, the storage system 34 may be configured to read and write non-removable, non-volatile magnetic media ( Figure 8 Not shown, often called a "hard drive").

[0094] although Figure 8 Although not shown, a disk drive for reading and writing to a removable non-volatile disk (e.g., a "floppy disk"), and an optical disk drive for reading and writing to a removable non-volatile optical disk (e.g., a Compact Disc Read Only Memory (hereinafter referred to as: CD-ROM), a Digital Video Disc Read Only Memory (hereinafter referred to as: DVD-ROM), or other optical media) may be provided. In these cases, each drive may be connected to the bus 18 via one or more data medium interfaces. The memory 28 may include at least one program product having a set (e.g., at least one) of program modules configured to perform the functions of the various embodiments of the present disclosure.

[0095] A program / utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28. Such program modules 42 include, but are not limited to, an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may include an implementation of a network environment. Program modules 42 generally implement the functions and / or methods of the embodiments described herein.

[0096] The electronic device 12 can also communicate with one or more external devices 14 (e.g., a keyboard, pointing device, display 24, etc.), one or more devices that enable a user to interact with the electronic device 12, and / or any device that enables the electronic device 12 to communicate with one or more other computing devices (e.g., a network card, a modem, etc.). This communication can occur via an input / output (I / O) interface 22. Furthermore, the electronic device 12 can communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and / or a public network such as the Internet) via a network adapter 20. As shown, the network adapter 20 communicates with other modules of the electronic device 12 via the bus 18. It should be understood that, although not shown, other hardware and / or software modules can be used in conjunction with the electronic device 12, including but not limited to microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems.

[0097] The processing unit 16 executes various functional applications by running the programs stored in the system memory 28, such as implementing the method for determining the withdrawal strategy of the top cutting and lane forming unit support mentioned in the above embodiment.

[0098] Other embodiments of the present disclosure will readily occur to those skilled in the art after considering the specification and practicing the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, with the true scope and spirit of the present disclosure being indicated by the following claims.

[0099] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

[0100] It should be noted that, in the description of this disclosure, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, in the description of this disclosure, unless otherwise specified, the meaning of "plurality" is two or more.

[0101] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present disclosure includes additional implementations in which functions may be performed out of the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by those skilled in the art to which the embodiments of the present disclosure belong.

[0102] It should be understood that various parts of the present disclosure can be implemented using hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented using software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented using hardware, as in another embodiment, any one of the following technologies known in the art or a combination thereof can be used to implement: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application-specific integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0103] Those skilled in the art will understand that all or part of the steps in the method of the above embodiment can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium. When the program is executed, it includes one or a combination of the steps of the method embodiment.

[0104] In addition, the functional units in the various embodiments of the present disclosure may be integrated into a single processing module, or each unit may exist physically separately, or two or more units may be integrated into a single module. The aforementioned integrated modules may be implemented in the form of hardware or in the form of software functional modules. If the integrated modules are implemented in the form of software functional modules and sold or used as independent products, they may also be stored in a computer-readable storage medium.

[0105] The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc.

[0106] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0107] Although the embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are illustrative and are not to be construed as limitations on the present disclosure. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present disclosure.

Claims

1. A method for determining a unit support withdrawal strategy for cutting top lanes, characterized in that: include: Obtain monitoring data of various indicators in the top-cut roadway; Determining the stability of the multiple indicators based on the monitoring data; as well as Determine the withdrawal strategy of the unit support in the cut-roof roadway according to the stability of the multiple indicators, wherein the multiple indicators include: the primary indicator includes the roadway displacement indicator, the secondary indicators include the anchor cable force indicator, the unit support force and shrinkage indicator, the side roadway lateral pressure indicator, the gas volume indicator, and the air volume indicator; The step of determining the withdrawal strategy of the unit support in the cut-roof laneway according to the stability of the multiple indicators includes: When the primary indicator among the multiple indicators is stable and the secondary indicator among the multiple indicators is unstable, the retracement strategy is determined to be an interval retracement strategy.

2. The method according to claim 1, wherein The step of determining the withdrawal strategy of the unit support in the cut-roof laneway according to the stability of the multiple indicators includes: When all of the multiple indicators are stable, the retracement strategy is determined to be a sequential retracement strategy.

3. The method according to claim 1, wherein The method further comprises: Determining the number of stable indicators among the secondary indicators; and Based on the number of indicators, the number of interval brackets of the interval retracement strategy is determined.

4. The method according to claim 1, wherein The method further comprises: Obtaining feedback results of the unit support withdrawal; and The withdrawal strategy is modified according to the feedback result.

5. A device for determining the withdrawal strategy of a unit support for cutting the top into lanes, characterized in that: include: An acquisition module is used to obtain monitoring data of various indicators in the top-cut roadway; A first determining module, configured to determine the stability of the multiple indicators based on the monitoring data; as well as The second determination module is configured to determine a withdrawal strategy for the unit supports in the cut-roof roadway based on the stability of the multiple indicators, wherein the multiple indicators include: a primary indicator including a roadway side displacement indicator, and secondary indicators including an anchor cable force indicator, a unit support force and shrinkage indicator, a side pressure indicator of the roadway side along the empty side, a gas volume indicator, and an air volume indicator; The second determining module is specifically configured to: When the primary indicator among the multiple indicators is stable and the secondary indicator among the multiple indicators is unstable, the retracement strategy is determined to be an interval retracement strategy.

6. A non-transitory computer-readable storage medium storing computer instructions, wherein: The computer instructions are used to cause the computer to execute the method according to any one of claims 1-4.

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