CN116427944A - A double-guided rapid excavation, support and bolting construction method for coal mine roadway - Google Patents

Abstract

The invention relates to a double-guide rapid tunneling, supporting and anchoring construction method for a coal mine tunnel, which is used for implementing tunneling operation on the basis of equipment of a tunneling, supporting and anchoring system, sequentially and stepwise realizing the movement of a shield system, a self-guide propulsion system and a gantry type equipment platform by a self-guide propulsion system in the process, correcting deviation in real time according to the advancing condition and tunnel environment during advancing, and has strong environment adaptability, so that the technical problems of easy sinking and slow walking of a crawler caused by the crawler type walking mode of the existing underground tunneling equipment can be solved, and the moving speed and tunneling efficiency of the system can be improved.

Description

A double-guided rapid excavation, support and bolting construction method for coal mine roadway

technical field

The invention relates to the technical field of coal mine excavation equipment, more specifically, it relates to a double-guided rapid excavation, support and bolting construction method of a coal mine roadway.

Background technique

Before underground coal mining operations in coal mines, it is generally necessary to dig in and out of return air lanes/transportation lanes/gas lanes/connection lanes/installation lanes on both sides of the working face to be mined in advance for the transportation of mined coal and the installation of related fully mechanized mining equipment. Transportation and ventilation and drainage operations. However, compared with the development stage of complete sets of fully mechanized mining equipment in my country, the development level of excavation equipment is obviously lagging behind, and the efficiency is low, leading to increasingly prominent "excavation contradictions" in the coal mining process, which restricts the further high-quality development of the coal industry. At present, underground excavation equipment generally adopts the crawler-type walking mode. The length of the crawler is short and the width is narrow, resulting in a small ground contact area and a large specific pressure to the ground. It is easy to roll over the floor of the roadway and cause damage to the floor. The ability to get out of trouble is poor, and the operation of the equipment is terminated, which affects the production efficiency; no matter whether the crawler is driven by electric power or hydraulic pressure, the left and right crawlers cannot maintain synchronization during the walking process, so the gyroscope needs to be used for guidance and continuous correction during the walking process, resulting in slow walking Production efficiency is difficult to improve.

Contents of the invention

The purpose of the present invention is to propose a double-guided fast excavation and anchoring construction method for coal mine roadway, which can solve the technical problems of crawler belts easy to sink and slow walking caused by the crawler-type walking mode of underground tunneling equipment.

The present invention provides the following technical proposal: a double-guided rapid excavation and bolting construction method for a coal mine roadway, comprising the following steps:

S1: Use the self-guiding propulsion system, the front deflection adjustment mechanism, and the rear deflection adjustment mechanism to adjust the position of the excavation support and anchorage system in the roadway, raise the shield system, make the upper shield body contact with the roadway roof and apply prestress; Operate the cutting lifting cylinder to drive the cutting drum to cut coal up and down, and the cutting cylinder pushes the sliding seat of the boom and the cutting boom to slide forward to cut a step forward. During the process of advancing the cutting drum, the operation The advanced oil cylinder controls the extension of the advanced support structure to reduce the empty top distance, and the cut coal blocks are conveyed backward through the loading system, scraper conveyor, bridge transfer machine, and belt conveyor in sequence;

S2: After the cutting is completed, retract the cutting system and the advanced support structure, adjust the self-guided propulsion system, raise the top support device to make the top support device fully contact with the roof of the roadway, and extend the bottom slide shoe to ensure that the bottom slide shoe is in contact with the bottom plate of the roadway Make full contact, stretch out the lateral boots to tighten the two side panels, use the self-guided propulsion system as the fulcrum, drive the front propulsion cylinder to push the shield system together with the cutting system and loading system forward together;

S3: Retract the top support device, bottom sliding shoe and lateral support shoe of the self-guided propulsion system, retract the front propulsion cylinder, and make the self-guided propulsion system slide forward;

S4: Stretch out the top support device, bottom slide shoes and side support shoes of the self-guided propulsion system, so that the top support device contacts the roof of the top tight roadway, the bottom slide shoes fully contact the bottom plate, and the side slide shoes hold the two side plates tightly, so as to The self-guiding propulsion system is the fulcrum, driving the rear propulsion cylinder to move the rear gantry equipment platform forward;

S5: repeating the steps of S1-S4 above to realize rapid excavation of the roadway.

Furthermore, during the forward movement of the shield system, the self-guided propulsion system, and the forward movement of the gantry-type equipment platform, the relative position of the excavation support and anchor transportation system is adjusted through the self-guided propulsion system, the front deviation adjustment mechanism, and the rear deviation adjustment mechanism. The location of the laneway.

Further, during the cutting operation of the cutting system in the S1 step, the forward advancement of the shield body system in the S2 step, and the forward advancement of the self-guided propulsion system in the S3 step, the top bolt unit and the side bolt unit are used for anchoring operations.

In summary, the present invention has the following beneficial effects: the present invention is implemented based on an integrated operation platform that integrates the functions of excavation, support, anchoring, and transportation. Simultaneously simplify the system configuration, through the self-guided propulsion system, realize the autonomous advancement and rapid advancement of the system. During the advancement process, it can correct the deviation and adjust the position of the system in the roadway in real time according to the progress. The system has strong adaptability and can adapt to various The complex roadway environment ensures that the system can proceed under the premise of safety and stability, improves the excavation efficiency, and effectively reduces the cost of roadway excavation; during the excavation operation, each internal system works in parallel, the cutting system can realize one-time roadway formation, and the shield tunneling system is used for To support the roadway, the self-guided propulsion system realizes advancement and deviation correction, and the anchor system can provide permanent support for the roadway in time, effectively simplifying the system configuration, improving the reliability and adaptability of the system, and further improving the driving efficiency and safety, reducing manufacturing costs. cost and improve the overall reliability of the system.

Description of drawings

Fig. 1 is the overall structure schematic diagram (not including the belt conveyor) of the excavation support and anchor transport system in the side view for implementing the double-guided rapid excavation support and anchor transport construction method of the coal mine roadway of the present invention;

Fig. 2 is the partial structure diagram (not including belt conveyor and bridge transfer machine) of the excavation support and anchor transport system of the double-guided rapid excavation support and anchor transport construction method of the coal mine roadway of the present invention in the side view angle;

Fig. 3 is the partial structure schematic diagram (not including belt conveyor and bridge transfer machine) of the excavation support and anchor transport system of the dual-guided rapid excavation support and anchor transport construction method of the coal mine roadway of the present invention in a top view;

Fig. 4 is the schematic diagram of cutting system in the excavation support and anchor transport system for implementing the coal mine roadway double-guided rapid excavation support and anchor transport construction method of the present invention;

Fig. 5 is a schematic diagram of the loading system in the side-view angle of view in the excavation and anchorage system for implementing the double-guided quick excavation and anchorage construction method of the coal mine roadway of the present invention;

Fig. 6 is a schematic diagram of the loading system in the front view angle for implementing the double-guided rapid excavation and anchoring construction method of the coal mine roadway of the present invention;

Fig. 7 is a side view of the shield system in the tunneling and bolting system for implementing the double-guided rapid tunneling and bolting construction method of the coal mine roadway of the present invention;

Fig. 8 is a front view of the shield system in the tunneling and bolting system for implementing the double-guided rapid tunneling and bolting construction method of the coal mine roadway of the present invention;

Fig. 9 is a three-dimensional schematic diagram of the shield system in the excavation and anchorage system for implementing the double-guided rapid excavation, support and anchorage construction method of the coal mine roadway of the present invention;

Fig. 10 is a front view of the self-guiding propulsion system in the excavation support and anchor transport system for implementing the dual-guidance rapid excavation support and anchor transport construction method of the coal mine roadway of the present invention;

Fig. 11 is a side view of the self-guiding propulsion system in the excavation support and anchor transport system for implementing the double-guided quick excavation support and anchor transport construction method of the coal mine roadway of the present invention;

Fig. 12 is a side view of the gantry-type equipment platform in the excavation and anchorage system for implementing the double-guided rapid excavation, support and anchorage construction method of the coal mine roadway of the present invention;

Fig. 13 is a top view of the gantry-type equipment platform in the excavation and anchorage system for implementing the double-guided rapid excavation and anchorage construction method of the coal mine roadway of the present invention;

Reference signs: 1-cutting system; 2-shield tunneling system; 3-self-guided propulsion system; 5-ventilation and dust removal system; 6-scraper conveyor; 7-bridge transfer machine; 8-large-stroke self-moving machine Tail; 9-front deflection adjustment mechanism; 10-forward propulsion cylinder; 11-rear propulsion cylinder; 12-gantry equipment platform; 13-rear deflection adjustment mechanism; 14-loading system; 15-top bolter; 16 -Bolter; 17-Electrical control system; 18-Hydraulic system; 19-Cutting drum; 20-Cutting reducer; 22-Boom sliding frame; 23-Cutting cylinder; 24-Cutting boom ;25-cutting lifting cylinder; 26-guiding column; 27-telescopic cylinder; 28-star wheel driving part; 29-variable section telescopic mechanism; 30-scraper conveyor driven wheel connection structure; 32-star wheel loading mechanism; 33-main shovel; 35-self-guiding slideway; 37-support cylinder; 38-advance support structure; 39-advance cylinder; 40-upper shield body; Lower shield body; 43-bottom sliding shoe; 44-holding cylinder; 45-lateral support shoe; 46-sliding box; 47-top support device; 48-beam; 49-support kit; 51-anchor net auxiliary platform; 52-anchor net warehouse; 53-bolt and anchor cable warehouse; 55-liftable drilling and anchor platform; 56-platform lifting cylinder; 58-intelligent system.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings.

Specific embodiment 1 of a double-guided rapid excavation, support and bolting construction method of a coal mine roadway of the present invention:

The dredging and anchoring system shown in Figures 1-13 is the basis for implementing the equipment of the present invention. The overall structural layout is shown in Figures 1-3, including a cutting system 1, a loading system 14, a shield system 2, Guided propulsion system 3 , gantry-type equipment platform 12 and transport system, in the direction of excavation, shield tunneling system 2 , self-guided propulsion system 3 , gantry-type equipment platform 12 are arranged sequentially from front to back.

The structure of the shield tunneling system 2 is introduced. As shown in Figures 7-9, the shield tunneling system 2 is in the shape of a mouth in the transverse direction, mainly consisting of an upper shield body 40, a lower shield body 42, a support cylinder 37, a guide structure 41, and a forward support The upper shield body 40 and the lower shield body 42 are connected with the guide structure 41 through the supporting oil cylinders 37 on both sides, and the supporting oil cylinders 37 are used to drive the upper shield body 40 to rise upward to support the roof of the roadway, guiding The structure 41 is a guide rod arranged on the upper shield body 40, and correspondingly, the lower shield body 42 is provided with a telescopic groove which is matched with the guide rod and slides and guides. The advance support structure 38 is telescopically arranged in the telescopic chamber on the top front end of the upper shield body 40 in a drawer type. Hinged, if necessary, extend the advance support structure according to the excavation situation, and play the role of advance support. Both the cutting system 1 and the loading system 14 are arranged on the lower shield body of the shield tunneling system 2 .

The specific structure of the self-guided propulsion system 3 is shown in Figures 10-11. The self-guided propulsion system 3 is in the shape of a door in the horizontal direction. The self-guided propulsion system 3 includes a main frame, bottom sliding shoes 43, lateral support shoes 45 and top support devices 47. , the main frame includes sliding boxes 46 on both sides and a beam 48 connecting the upper ends of the two sliding boxes, and the sliding box 46 and the beam 48 are connected and fixed by flanges and bolts. The lateral support shoes 45 are located on both sides of the main frame, and a tensioning oil cylinder 44 is connected between the lateral support shoes 45 and the sliding box body. The supporting device 47 is positioned above the main frame, and a supporting sleeve 49 and a supporting oil cylinder are connected between the supporting device 47 and the main frame, wherein the supporting sleeve 49 includes an inner guide rod positioned on the supporting device 47 and an inner guide rod positioned on the main frame. The outer sleeve, the outer sleeve and the inner guide rod guide sliding fit, and are used to support the movement of the supporting device 47 relative to the main frame. The bottom sliding shoe 43 is located at the lower end of the sliding box body 46 and is connected with the sliding box body 46 through the bottom oil cylinder. A self-guiding slideway 35 is arranged on the lower shield body, and a chute 411 slidingly matched with the self-guiding slideway 35 is arranged inside the lower ends of the two sliding boxes, that is, the self-guiding propulsion system 3 can slide relative to the lower shield body.

The structure of the gantry-type equipment platform 12 is shown in Figures 12-13, and it is equipped with an anchoring system, a ventilation and dust removal system 5, an intelligent system 58, a hydraulic system 18, and an electrical control system 17. The anchoring system includes 15 groups of top bolting machines, 16 groups of side bolting machines, anchor net warehouse 52, bolt and anchor cable warehouse 53, liftable drilling and anchoring platform 55 and platform lifting cylinder 56, which is supported on the gantry type equipment Between platform 12 chassis and liftable anchor drilling platform 55, top bolter 15 groups are located on the liftable anchor drilling platform, and platform lift cylinder 56 is used for adjusting the up and down positions of liftable drilling and anchor platform 55 and top bolter 15. 16 groups of side bolters are distributed on both sides of the chassis of the gantry type equipment platform 12, the anchor net storehouse 52 is located at the rear top of the gantry type equipment platform, and the gantry type equipment platform 12 is between the top bolter machine 15 and the anchor net storehouse 52 A liftable anchor net auxiliary platform 51 is set for assisting personnel in laying the anchor net. The hydraulic system, power supply system, and electrical control system are located on both sides of the rear of the gantry-type equipment platform. The hydraulic system 18 includes pump stations, oil tanks, and filtration systems. The power supply system includes mobile transformers, combined switches and tow cable devices. The electrical control system 17 mainly Composed of a control valve group, a controller, a driver, a power supply, and a remote controller, the ventilation and dust removal system 5 is mainly composed of a dust removal fan and an air duct. The dust removal fan is located below the anchor net warehouse 52 and is used to suck dust from the working face through the air duct. The intelligent system includes automatic navigation and positioning system, autonomous cutting system, remote monitoring system, and centralized control system, which can realize the intelligence and automation of roadway excavation. The front side of the self-guided propulsion system 3 is connected with the shield mechanism 2 through the forward propulsion cylinder 10 , and the rear side is connected with the gantry equipment platform 12 through the rear propulsion cylinder 11 .

The transportation system includes scraper conveyor 6, bridge transfer machine 7, large-stroke self-moving tail 8 and belt conveyor, scraper conveyor 6, bridge transfer machine 7, and belt conveyor are arranged in sequence from front to back, and the scraper The front part of the conveyor 6 is connected with the loading system, and the rear part is connected with the main frame pulling seat slidingly matched with the gantry type equipment platform. The front part of the bridge transfer machine 7 is overlapped with the rear part of the scraper conveyor 6, and the tail 8 of the large-stroke self-moving machine is set at the lower part of the bridge section from the bridge transfer machine 7 to bridge the bridge transfer machine 7 and the belt conveyor , by setting a large-stroke self-moving tail, it can greatly reduce the time for stopping and increasing the frame of the belt conveyor, and improve the excavation efficiency. In this embodiment, the rear part of the scraper conveyor 6 is connected with the main frame pulling and moving seat through the tail adjustment oil cylinder, so that the height of the rear part of the scraper conveyor can be adjusted and the roadway adaptability is improved.

The specific structure of cutting system 1 is shown in Figure 4, including cutting boom 24, cutting drum 19, cutting motor, cutting reducer 20, boom sliding frame 22, cutting cylinder 23, cutting lifting cylinder 25. The lower shield body 42 is provided with a guide column 26 that cooperates with the sliding guide of the boom sliding seat 22. The rear end of the cutting boom 24 is hinged with the boom sliding seat, and the front end is provided with a cutting reducer 20 to cut and lift Oil cylinder 25 is used to drive cutting big arm 24 to swing up and down to cut coal rock, and cutting lifting oil cylinder 25 two ends are respectively hinged with cutting big arm 24, big arm sliding seat 22. Cutting oil cylinder 23 is used for driving cutting boom to advance knife/backward knife, and two ends are connected with lower shield body 42 and boom sliding seat 22 respectively. Cutting speed reducer 20 is arranged on cutting drum inside, and cutting big arm 24 front part interior is hollow, is provided with cutting motor. The cutting reducer 20 is arranged inside the cutting drum 19, and the cutting drum 19 is distributed on the horizontal axis relative to the cutting arm. The cutting motor is connected with the cutting reducer 20, and is used to drive the cutting reducer and even the cutting drum. 19 rotary cutting.

The specific structure of the loading system is shown in Figures 5-6. It is mainly composed of the main shovel 33, the star wheel loading mechanism 32, the variable section telescopic mechanism 29, the telescopic oil cylinder 27, and the star wheel driving part 28. The internal parts of the main shovel 33 A star wheel loading mechanism 32 is installed on both sides, and a star wheel driving part 28 for driving the star wheel loading mechanism 32 to rotate is installed at the rear of the main blade 33 . The front of the main shovel plate 33 is concave, and the scraper conveyor driven wheel connection structure 30 for connecting with the driven wheel of the scraper conveyor 6 is arranged in the concave space. The loading system is used to collect and transport the coal and rock produced by cutting. The coal rock that is used to be shipped by the loading system is transported backward through the scraper conveyor 6 , the bridge loader 7 , and the belt conveyor in sequence, and the dust removal and spraying mechanism 31 is set on the main shovel 33 .

In this embodiment, a front deflection adjustment mechanism 9 is provided on both sides of the lower end of the shield mechanism 2, and a rear deflection adjustment mechanism 13 is provided on both sides of the lower end of the gantry-type equipment platform 12, and the front deflection adjustment mechanism 9 and the lower shield body 2 is connected with a front deviation adjustment oil cylinder, and the control of the front deviation adjustment oil cylinder can drive the front deviation adjustment mechanism 9 to expand and contract relative to the lower shield body 2, and play the role of correcting and adjusting the position of the front part; the rear deviation adjustment mechanism 13 and The rear deviation adjustment oil cylinder is connected between the gantry type equipment platforms 12, and the rear deviation adjustment oil cylinder can be controlled to drive the rear deviation adjustment mechanism 13 to stretch out relative to the gantry type equipment platform 12, and play the role of rear position correction and adjustment.

The front propulsion cylinder 10, the rear propulsion cylinder 11, the tension cylinder, the top support cylinder, and the bottom cylinder are all equipped with stroke sensors. The stroke sensors are connected to the controller in the electrical control system, which can precisely control the telescopic beams of each cylinder and realize precise walking. , left and right adjustment and steering. The hydraulic circuits of the forward propulsion cylinder 10, the rear propulsion cylinder 11, the tension cylinder, the top support cylinder, and the bottom cylinder are all equipped with pressure sensors. The control valves in the control valve group are load-sensitive proportional valves, and the pressure sensors feed back pressure information to the control valves. , by sensing the pressure of the oil cylinder to adapt to changes in various roadway conditions, reducing damage to the roof, floor, and coal walls.

Based on the above equipment basis, the double-guided quick excavation and bolting construction method of coal mine roadway of the present invention comprises the following steps:

S1: Use the self-guiding propulsion system, the front deflection adjustment mechanism, and the rear deflection adjustment mechanism to adjust the position of the excavation support and anchorage system in the roadway, raise the shield system, make the upper shield body contact with the roadway roof and apply prestress; Operate the cutting lifting cylinder to drive the cutting drum to cut coal up and down, and the cutting cylinder pushes the sliding seat of the boom and the cutting boom to slide forward to cut a step forward. During the process of advancing the cutting drum, the operation The advanced oil cylinder controls the extension of the advanced support structure to reduce the empty top distance, and the cut coal blocks are conveyed backward through the loading system, scraper conveyor, bridge transfer machine, and belt conveyor in sequence;

S2: After the cutting is completed, retract the cutting system and the advanced support structure, adjust the self-guided propulsion system, raise the top support device to make the top support device fully contact with the roof of the roadway, and extend the bottom slide shoe to ensure that the bottom slide shoe is in contact with the bottom plate of the roadway Make full contact, stretch out the lateral boots to tighten the two side panels, use the self-guided propulsion system as the fulcrum, drive the front propulsion cylinder to push the shield system together with the cutting system and loading system forward together;

S3: Retract the top support device, bottom sliding shoe and lateral support shoe of the self-guided propulsion system, retract the front propulsion cylinder, and make the self-guided propulsion system slide forward;

S4: Stretch out the top support device, bottom slide shoes and side support shoes of the self-guided propulsion system, so that the top support device contacts the roof of the top tight roadway, the bottom slide shoes fully contact the bottom plate, and the side slide shoes hold the two side plates tightly, so as to The self-guiding propulsion system is the fulcrum, driving the rear propulsion cylinder to move the rear gantry equipment platform forward;

S5: repeating the steps of S1-S4 above to realize rapid excavation of the roadway.

During the forward movement of the shield system, the self-guided propulsion system, and the forward movement of the gantry equipment platform, the position of the excavation support and anchorage system relative to the roadway is adjusted through the self-guided propulsion system, the front deviation adjustment mechanism, and the rear deviation adjustment mechanism , and then play the role of steering and deviation correction. During the cutting operation of the cutting system in the S1 step, the forward advancement of the shield tunneling system in the S2 step, and the forward movement of the self-guided propulsion system in the S3 step, the top bolt unit and the side bolt unit are used for anchoring operations.

To sum up, during the construction process of the present invention, the integrated roadway is realized through the horizontal axis roller, the shield system can provide key walking and support functions, and the rear drilling and anchor system can provide permanent support for the roadway in time. On the basis of the tunneling operation function, the system configuration is simplified and the system reliability is improved. The self-guided propulsion system can realize the orderly advancement and rapid advancement of the system. This structure has strong adaptability and can adapt to a variety of complex tunnel environments. It can improve tunneling efficiency and save tunneling costs. It can solve the problem that current underground tunneling equipment uses crawler walking. The crawler is easy to sink to the bottom and the walking is slow due to technical problems caused by this method.

The above are only preferred implementations of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention should also be regarded as the protection scope of the present invention.

Claims (3)

1. The double-guide rapid tunneling, supporting and anchoring construction method for the coal mine tunnel is characterized by comprising the following steps of:

s1: the position of the tunneling, supporting and anchoring system in the tunnel is adjusted through the self-guiding propulsion system, the front deviation adjusting mechanism and the rear deviation adjusting mechanism, the shield system is lifted, and the upper shield body is contacted with the tunnel roof and applies prestress; the cutting lifting cylinder is operated to drive the cutting roller to cut coal up and down, the cutting cylinder pushes the large arm sliding seat and the cutting large arm to slide forwards, a step distance is cut forwards, the operation advance cylinder controls the advance support structure to extend out in the forward pushing process of the cutting roller, the empty top distance is reduced, and the cut coal blocks are sequentially conveyed backwards through the loading system, the scraper conveyor, the bridge type transfer conveyor and the adhesive tape conveyor;

s2: after the cutting is completed, the cutting system and the advanced support structure are retracted, the self-guiding propulsion system is regulated, the propping device is lifted to enable the propping device to be in full contact with the roadway top plate, the bottom sliding shoes are extended to ensure that the bottom sliding shoes are in full contact with the roadway bottom plate, the side supporting shoes are extended to tightly support the two side plates, and the self-guiding propulsion system is taken as a fulcrum to drive the front propulsion oil cylinder to enable the shield system to be propelled forwards together with the cutting system and the loading system;

s3: retracting the top support device, the bottom sliding shoes and the lateral support shoes of the self-guiding propulsion system, and retracting the front propulsion cylinder so as to enable the self-guiding propulsion system to slide forwards;

s4: the top supporting device, the bottom sliding shoes and the lateral supporting shoes extend out of the self-guiding propulsion system, so that the top supporting device contacts and tightly props against a roadway top plate, the bottom sliding shoes fully contact with a bottom plate, the lateral sliding shoes tightly support two side plates, and the self-guiding propulsion system is taken as a fulcrum to drive a rear propulsion cylinder to enable a rear gantry type equipment platform to move forwards;

s5: repeating the steps S1-S4, and realizing the rapid tunneling of the tunnel.

2. The method for constructing the double-guide rapid tunneling, supporting and anchoring of the coal mine tunnel according to claim 1, wherein the position of the tunneling, supporting and anchoring system relative to the tunnel is adjusted through the self-guide propulsion system, the front deviation adjusting mechanism and the rear deviation adjusting mechanism in the process of forward moving of the shield system, forward moving of the self-guide propulsion system and forward moving of the gantry type equipment platform.

3. The method for double-guide rapid tunneling, supporting and anchoring construction of the coal mine tunnel according to claim 2, wherein the roof bolt unit and the upper bolt unit are used for anchoring in the process of S1 step cutting operation, S2 step shield system forward pushing and S3 step self-guide pushing system forward moving.

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