Continuous mining and continuous filling mining method for single-wing working face

Abstract

The invention discloses a continuous mining and continuous filling mining method for a single-wing working face, which relates to the technical field of coal mining and comprises the following steps of: dividing a plurality of branch roadways, and respectively arranging a tunneling mechanism and a coordination mechanism in the roadways on two sides of the branch roadways; the tunneling mechanism drills and conducts the branch roadway from one side of a roadway through the drill rod, the drill rod is supported through the cooperation mechanism, and then the tunneling mechanism drives the drill rod to return to conduct tunneling and conducting on the branch roadway; and the tunneling mechanism and the cooperation mechanism walk to the next branch roadway in the roadway, and the cut-through branch roadway is filled. According to the continuous mining and continuous filling mining method for the single-wing working face, supporting personnel do not need to enter a branch roadway for supporting, and the mining efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of coal mining, in particular to a continuous mining and filling mining method of a single-wing working face. Background Art

[0002] Continuous mining and continuous filling is a method of arranging the working face by combining the ventilation management of the longwall working face and the integrated mining and excavation of the shortwall working face. No comprehensive mining equipment is arranged on the working face, but a continuous miner or a tunneling machine is used to complete the mining process of the coal on the working face. In the actual mining process, a single-wing working face arrangement can be adopted, that is, usually only one section of horizontal tunnel needs to be excavated, reducing the workload of tunnel excavation and maintenance. However, when mining in branch tunnels, the existing single-wing working face mining process usually requires entering the branch tunnel for support, and the mining process is cumbersome and the mining efficiency is low. Summary of the invention

[0003] The purpose of the present invention is to provide a continuous mining and filling mining method for a single-wing working face to solve the problems existing in the above-mentioned prior art and improve mining efficiency.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides a continuous mining and filling mining method for a single-wing working face, comprising the steps of:

[0006] Divide several branch lanes, and arrange excavation mechanisms and coordination mechanisms in lanes on both sides of the branch lanes;

[0007] The excavation mechanism drills and conducts the branch lane from one side of the lane through a drill rod. After drilling and conducting, the drill rod is supported by the coordination mechanism, and then the excavation mechanism drives the drill rod to return to excavate and conduct the branch lane.

[0008] The excavation mechanism and the coordination mechanism move in the tunnel to the next branch tunnel, and the branch tunnel that has been penetrated is filled.

[0009] Preferably, the excavation mechanism drills and connects the branch tunnel from one side of the tunnel through the guide drill bit on the drill rod; after the branch tunnel is drilled and connected, the guide drill bit is replaced with an expansion drill bit, and the excavation mechanism drives the drill rod back and excavates and connects the branch tunnel through the expansion drill bit.

[0010] Preferably, the drilling diameter of the pilot drill bit is smaller than the drilling diameter of the reaming drill bit.

[0011] Preferably, the plurality of branch lanes are divided along a direction parallel to the cutting eye opening direction.

[0012] Preferably, the excavation mechanism includes an excavation traveling component and a drilling rig, the drilling rig is arranged on the excavation traveling component, the drill rod is arranged on the drilling rig, the excavation traveling component is used to travel in the tunnel, and the drilling rig can drive the drill rod to conduct the branch tunnel.

[0013] Preferably, the cooperative mechanism includes a cooperative walking component and a support portion, the support portion is arranged on the cooperative walking component, the cooperative walking component is used to walk in the tunnel, and the support portion can support the drill rod.

[0014] Preferably, the excavating walking component and the cooperative walking component are configured as tracks or rubber wheels.

[0015] Preferably, the support portion is configured as a lifting bracket, and the lifting bracket can adjust the support height.

[0016] Preferably, the excavation mechanism and the cooperation mechanism move synchronously in the tunnel.

[0017] Preferably, the cooperative mechanism further comprises a carrying component, wherein the carrying component is arranged on the cooperative traveling component, and the carrying component can hold coal.

[0018] Compared with the prior art, the present invention has achieved the following technical effects:

[0019] The continuous mining and filling mining method of a single-wing working face provided by the present invention respectively arranges a tunneling mechanism and a coordination mechanism in the tunnels on both sides of the branch tunnel. The tunneling mechanism first drills and connects the branch tunnel from one side. After the drilling and connection, the drill rod is supported in the tunnel on the other side by the coordination mechanism. In this way, there is no need for support personnel to enter the branch tunnel. Then the tunneling mechanism controls the return stroke of the drill rod to drill and connect the branch tunnel, and then fills the branch tunnel to realize mining of the branch tunnel, thereby improving mining efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic flow chart of the mining method provided in Example 1;

[0022] Figure 2 A schematic diagram of drilling and conducting the drill rod provided in Example 1;

[0023] Figure 3A schematic diagram of the drill rod provided in the first embodiment for conducting return excavation;

[0024] Figure 4 This is a schematic diagram of the movement of the excavation mechanism and the cooperative mechanism provided in Example 1.

[0025] In the figure: 1- branch tunnel; 2- excavation mechanism; 3- cooperative mechanism; 4- drill rod; 5- tunnel; 6- pilot drill bit; 7- expansion drill bit; 8- opening eye. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The purpose of the present invention is to provide a continuous mining and filling mining method for a single-wing working face to solve the problems existing in the above-mentioned prior art and improve mining efficiency.

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Embodiment 1

[0030] This embodiment provides a continuous mining and filling mining method for a single-wing working face, comprising the steps of: dividing a plurality of branch lanes 1, and arranging a tunneling mechanism 2 and a coordination mechanism 3 in lanes 5 on both sides of the branch lane 1;

[0031] The excavation mechanism 2 drills and conducts the branch tunnel 1 from one side of a tunnel 5 through the drill rod 4. After the drilling is conducted, the drill rod 4 is supported by the coordination mechanism 3, and then the excavation mechanism 2 drives the drill rod 4 to return to conduct the excavation of the branch tunnel 1;

[0032] The excavation mechanism 2 and the coordination mechanism 3 move in the tunnel 5 to the next branch tunnel 1, and the branch tunnel 1 that has been penetrated is filled.

[0033] See also Figure 1 and Figure 4, excavation mechanisms 2 and coordination mechanisms 3 are respectively arranged in the tunnels 5 on both sides of the branch tunnel 1. The excavation mechanism 2 first drills and connects the branch tunnel 1 from one side. After drilling and connection, the drill rod 4 is supported in the tunnel 5 on the other side through the coordination mechanism 3. In this way, there is no need for support personnel to enter the branch tunnel 1. Then the excavation mechanism 2 controls the return of the drill rod 4, excavates and connects the branch tunnel 1, and fills the branch tunnel 1 to realize the mining of the branch tunnel 1, which can improve the mining efficiency. The filling of the branch tunnel 1 adopts conventional means, which will not be elaborated here.

[0034] See also Figure 2 and Figure 3 In the optional scheme of this embodiment, it is more preferred that the excavation mechanism 2 drills and connects the branch tunnel 1 from one side of a tunnel 5 through the guide hole drill bit 6 on the drill rod 4; after the branch tunnel 1 is drilled and connected, the guide hole drill bit 6 is replaced with the reaming drill bit 7, and the excavation mechanism 2 drives the drill rod 4 to return and excavates and connects the branch tunnel 1 through the reaming drill bit 7; by drilling and connecting first and then returning and excavating and connecting, the drilling and connecting can detect in advance whether there are hidden dangers in the branch tunnel 1, thereby reducing the risk of accidents; the cooperation between the drill rod 4 and the guide hole drill bit 6 and the reaming drill bit 7 are all conventional detachable connection methods, which will not be described in detail here.

[0035] In the optional scheme of this embodiment, it is more preferred that the drilling diameter of the guide hole drill bit 6 is smaller than the drilling diameter of the reaming drill bit 7. Drilling and guiding by the small-diameter guide hole drill bit 6 can detect in advance whether there are hidden dangers in the branch tunnel 1, thereby reducing the risk of accidents; specifically, the models of the guide hole drill bit 6 and the reaming drill bit 7 are determined according to actual needs.

[0036] In the optional scheme of this embodiment, it is more preferred that several branch tunnels 1 are divided along a direction parallel to the cutting eye 8, and the interval width and length of the branch tunnels 1 are determined according to the actual mining situation; and coal pillars are formed between adjacent branch tunnels 1.

[0037] In the optional scheme of this embodiment, it is more preferred that the excavation mechanism 2 includes an excavation traveling component and a drilling rig, the drilling rig is arranged on a working platform on the excavation traveling component, a drill rod 4 is arranged on the drilling rig, the excavation traveling component is used for traveling in the tunnel 5, and the drilling rig can drive the drill rod 4 to conduct the branch tunnel 1, so as to realize traveling and drilling in the tunnel 5; wherein the cooperation between the drilling rig and the drill rod 4 is a conventional means, which will not be elaborated in detail here.

[0038] In the optional scheme of this embodiment, it is more preferred that the cooperative mechanism 3 includes a cooperative walking component and a support portion, the support portion is arranged on the cooperative walking component, the cooperative walking component is used to walk in the tunnel 5, and the support portion can support the drill rod 4 to achieve walking and cooperative cooperation in the tunnel 5.

[0039] In the optional scheme of this embodiment, it is more preferred that the excavating walking parts and the cooperative walking parts are set as tracks or rubber wheels; in addition, it is not limited to the above-mentioned mechanism, and it can achieve walking in the tunnel 5.

[0040] In the optional scheme of this embodiment, it is more preferred that the support part is configured as a lifting bracket, and the lifting bracket can adjust the support height. Specifically, the lifting bracket can adopt a conventional hydraulic lifting bracket, which is fixedly set on the working platform of the cooperative walking component, and can adapt to the support of drill rods 4 of different heights by adjusting its own height. By supporting the drill rod 4, the replacement of the drill bit on the drill rod 4 is facilitated.

[0041] In the optional scheme of this embodiment, it is more preferred that the excavation mechanism 2 and the cooperation mechanism 3 move synchronously in the tunnel 5, and realize synchronous walking by controlling the walking distance and the walking speed to meet the mining coordination of the next tunnel 1.

[0042] In the optional scheme of this embodiment, it is more preferred that the cooperative mechanism 3 also includes a carrying component, which is arranged on the cooperative walking component, and the carrying component can hold the coal; specifically, the carrying component can be set as a tipping bucket, which can be flipped on the working platform of the cooperative walking component, and can hold the fallen coal and flip it to unload.

[0043] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A continuous mining and filling mining method for a single-wing working face, characterized in that: Includes steps: Dividing the tunnel into several branch tunnels (1), and arranging excavation mechanisms (2) and coordination mechanisms (3) in tunnels (5) on both sides of the branch tunnels (1); The excavation mechanism (2) drills and connects the branch tunnel (1) from one side of the tunnel (5) through a drill rod (4). After the drilling is completed, the drill rod (4) is supported by the coordination mechanism (3), and then the excavation mechanism (2) drives the drill rod (4) to return to excavate and connect the branch tunnel (1); The excavation mechanism (2) and the coordination mechanism (3) move in the tunnel (5) to the next branch tunnel (1), and the branch tunnel (1) that has been penetrated is filled.

2. The continuous mining and filling mining method of a single-wing working face according to claim 1 is characterized in that: The excavation mechanism (2) drills and connects the branch tunnel (1) from one side of the tunnel (5) through the guide drill bit (6) on the drill rod (4); after the branch tunnel (1) is drilled and connected, the guide drill bit (6) is replaced with a reaming drill bit (7), and the excavation mechanism (2) drives the drill rod (4) to return and excavates and connects the branch tunnel (1) through the reaming drill bit (7).

3. The continuous mining and filling mining method of a single-wing working face according to claim 2 is characterized in that: The drilling diameter of the pilot drill bit (6) is smaller than the drilling diameter of the reaming drill bit (7).

4. The continuous mining and filling mining method of a single-wing working face according to claim 1 is characterized in that: The plurality of branch lanes (1) are divided along a direction parallel to the cutting eye (8).

5. The continuous mining and filling mining method of a single-wing working face according to claim 2 is characterized in that: The excavation mechanism (2) comprises an excavation travel component and a drilling rig, wherein the drilling rig is arranged on the excavation travel component, the drilling rig is provided with the drill rod (4), the excavation travel component is used to travel in the tunnel (5), and the drilling rig can drive the drill rod (4) to conduct the branch tunnel (1).

6. The continuous mining and filling mining method of a single-wing working face according to claim 5 is characterized in that: The cooperative mechanism (3) comprises a cooperative walking component and a support portion, wherein the support portion is arranged on the cooperative walking component, the cooperative walking component is used to walk in the tunnel (5), and the support portion can support the drill rod (4).

7. The continuous mining and filling mining method of a single-wing working face according to claim 6 is characterized in that: The excavating walking component and the cooperative walking component are configured as tracks or rubber wheels.

8. The continuous mining and filling mining method of a single-wing working face according to claim 6 is characterized in that: The support portion is configured as a lifting bracket, and the lifting bracket can adjust the support height.

9. The continuous mining and filling mining method of a single-wing working face according to claim 1 is characterized in that: The excavation mechanism (2) and the coordination mechanism (3) move synchronously in the tunnel (5).

10. The continuous mining and filling mining method of a single-wing working face according to claim 6, characterized in that: The cooperative mechanism (3) further comprises a carrying component, wherein the carrying component is arranged on the cooperative traveling component and the carrying component is capable of containing coal.

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