An auxiliary production integrated system for a coal mine tunneling face and a running method thereof

Abstract

The present application relates to the technical field of auxiliary transportation and power supply of coal mine roadway tunneling, and discloses a coal mine tunneling face auxiliary production integrated system and operation method, which comprises an integrated cooperative control assembly, an auxiliary production assembly, a tractor and a tunneling roadway, the integrated cooperative control assembly, the auxiliary production assembly and the tractor are sequentially and linearly arranged behind a continuous transportation area, the integrated cooperative control assembly is arranged behind the tractor, the auxiliary production assembly is arranged behind the integrated cooperative control assembly, the integrated cooperative control assembly and the auxiliary production assembly are both composed of multiple flat cars in series, and the rear part of the tractor is provided with a 40T chain and oil cylinder one and oil cylinder two. The tractor moves the flat car as a whole by means of the chain, the installation period of the power distribution point is shortened, the demand for material moving and manual work is reduced, the position is adjusted by means of the pushing and pulling force of the oil cylinder, and the self-moving iron solid wheel and the iron roof are matched, so that the stability of equipment operation is ensured.

Description

Technical Field

[0001] This invention relates to the field of auxiliary transportation and power supply technology for coal mine roadway excavation, specifically to an integrated auxiliary production system and operation method for coal mine tunneling faces. Background Technology

[0002] In coal mine underground tunneling faces, a power supply method is adopted by installing power distribution chambers in fixed connecting roadways. As the tunneling face advances, the distance between the tunneling face and the fixed power distribution chamber increases, resulting in a decrease in the air supply efficiency of local ventilation fans and an increase in the length of power supply cables. In order to ensure the power supply to the tunneling face, it is necessary to install power distribution chambers repeatedly. Installing power distribution chambers requires manpower and has a long installation cycle. There is a risk of collision and slippage when moving, transferring and switching large equipment in the narrow underground roadway space.

[0003] The support materials for the tunneling face are mainly transported from the storage area to the area close to the tunneling face by manual relocation. Manual relocation of support materials is labor-intensive and time-consuming, making it difficult to meet the supply needs of tunneling materials. Manual stacking of materials is prone to disorder in classification and skewed stacking, which delays the work time when it is needed. If a separate power system is added to the material transportation equipment, it will increase the complexity and cost of the equipment and cannot be coordinated with the power source of the existing tunneling system.

[0004] The existing power supply equipment and material transportation equipment are deployed independently, which causes the power supply path and material transportation path to intersect and conflict in the roadway space. When the supporting power supply system behind the tunnel face moves forward, the material transportation equipment cannot adjust its position synchronously, which prolongs the preparation time of the working face. In addition, the underground roadway floor environment of the coal mine is complex and contains sharp gangue, which can easily be punctured by the pneumatic tire transport vehicle during operation. There is a risk of falling gravel and water splashing on the roadway roof. The lack of protective structure can easily lead to damage or short circuit failure of the transformer and switch equipment below.

[0005] Therefore, this invention proposes an integrated auxiliary production system and operation method for coal mine tunneling faces to address the shortcomings of existing technologies. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides an integrated auxiliary production system and operation method for coal mine tunneling faces, which solves the problems of dispersed layout of supporting equipment after coal mine tunneling, high labor intensity of manual equipment movement, messy cable laying, and low efficiency of equipment movement as the working face advances.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an integrated auxiliary production system for coal mine tunneling faces, comprising an integrated collaborative control component, an auxiliary production component, a tractor, and a tunneling roadway;

[0008] The tunneling roadway is equipped with a continuous transport zone, which includes a continuous transport vehicle and a bridge transfer machine. The tunneling machine is located in front of the continuous transport zone. The tractor, the integrated collaborative control component, and the auxiliary production component are arranged linearly behind the continuous transport area. A distance of at least 3m is reserved between the front end of the tractor and the continuous transport area, and a distance of at least 0.8m is maintained between the outer side of the tractor and the conveyor belt on the working face; The integrated collaborative control component is located at the rear of the tractor. The auxiliary production component is located behind the integrated collaborative control component; Both the integrated collaborative control component and the auxiliary production component are composed of multiple flatbed trucks connected in series.

[0009] The linear overall arrangement of the tractor, integrated collaborative control components and auxiliary production components reduces the occupation of roadway space, and the series connection of multiple flatbed trucks enables centralized loading and overall movement of equipment, eliminating the tedious process of manually moving equipment one by one.

[0010] Preferably, the tractor and the first vehicle of the integrated collaborative control component are connected by a chain connection and a hydraulic cylinder connection; The rear of the tractor is equipped with a 40T chain, as well as hydraulic cylinder one and hydraulic cylinder two. One end of the 40T chain is installed at the end of the tractor, and the other end of the 40T chain is installed at the end of the first section of the integrated cooperative control assembly. The fixed ends of the first hydraulic cylinder and the second hydraulic cylinder are installed inside the tractor, while the telescopic ends of the first hydraulic cylinder and the second hydraulic cylinder are installed inside the first vehicle section of the integrated collaborative control assembly.

[0011] The 40T chain bears the main tension during long-distance movement to protect the hydraulic cylinder, while the hydraulic cylinder is responsible for static support and short-distance position fine-tuning, balancing traction strength and the flexibility of displacement adjustment.

[0012] Preferably, the integrated collaborative control component includes a monitoring vehicle and an office vehicle arranged sequentially; The monitoring vehicle is positioned behind the tractor, and monitoring equipment is installed inside the monitoring vehicle. The office vehicle is located behind the monitoring vehicle, and the office vehicle has a storage area for office materials.

[0013] The centralized arrangement of monitoring equipment and office materials facilitates on-site data observation and production command by management personnel, while the independent office vehicle improves the underground office and data storage environment.

[0014] Preferably, the auxiliary production components include a power supply area and a material area; The power supply area is located behind the integrated collaborative control component; The power supply area includes a production transfer vehicle, a backup production transfer vehicle, a dedicated fan transfer vehicle, a backup fan transfer vehicle, a switch vehicle 1, and a switch vehicle 2, which are connected in series. The production transfer vehicle is equipped with a production transfer transformer, the standby production transfer vehicle is equipped with a standby production transfer transformer, the dedicated fan transfer vehicle is equipped with a dedicated fan transfer transformer, the standby fan transfer vehicle is equipped with a standby fan transfer transformer, and both the switch car one and switch car two are equipped with switch one and switch two.

[0015] Among them, the centralized series arrangement of power supply areas shortens the cable length and avoids the hidden dangers of messy cables, and the configuration of backup equipment ensures the continuity of power supply and ventilation safety when the main equipment fails.

[0016] Preferably, each section of the flatbed truck within the power supply area is equipped with an iron canopy on its top, with rain guards installed on both sides of the iron canopy, and cable hooks installed below the iron canopy.

[0017] Among them, the iron roof and rain shield prevent the equipment from being damaged by the gangue in the tunnel and prevent short circuits caused by water, and the cable hooks prevent the cables from being dragged on the ground and damaged.

[0018] Preferably, the material area is located behind the power supply area, and the material area includes a material cart one and a material cart two connected in sequence. The flatbed cart in the material area is equipped with a weight sensor.

[0019] Among them, the weight sensor monitors the load status in real time to prevent overloading from causing axle breakage, and provides data support for material consumption management.

[0020] Preferably, each section of the flatbed cart within the integrated collaborative control component and the auxiliary production component is connected by universal joints and pins, and the connection between the integrated collaborative control component and the auxiliary production component is also connected by universal joints and pins. Each flatbed truck chassis is equipped with self-moving solid iron wheels at the bottom, and the height of the flatbed truck chassis from the ground is at least 300mm.

[0021] Among them, the universal joint and pin connection adapt to the undulation of the roadway and the turning conditions, and the self-moving solid iron wheel, combined with the specific chassis height, ensures the vehicle's passability and center of gravity stability.

[0022] Preferably, the material vehicle is provided with an anchor bolt area, a tray resin area and an anchor mesh area. The anchor bolt area is equipped with a U-shaped limiting baffle, the tray resin area is equipped with a planar limiting frame, and the anchor mesh area is equipped with a vertical bracket. The material cart is equipped with an air duct area and a tape conveyor frame area, and the tape conveyor frame area is equipped with a grooved support seat. The tractor is equipped with an automatic power-off device at the front end.

[0023] Among them, classified and zoned storage and dedicated fixing devices prevent materials from slipping and tipping over during movement, and automatic power-off equipment cuts off the power when personnel approach the danger zone to prevent crushing accidents.

[0024] Preferably, a wheel stop is provided under each wheel of the flatbed truck; The vehicle stopper includes a left leaf, a right leaf, and a connecting rope. Both ends of the connecting rope are fixedly connected between the left leaf and the right leaf.

[0025] Among them, the vehicle stopper uses frictional resistance to prevent vehicles from slipping in sloping tunnels, and the connecting rope design facilitates the synchronous operation of components and prevents the loss of one-sided parts.

[0026] A method for integrated operation of auxiliary production at a coal mine tunneling face includes the following steps: S1: Drive the tractor to the designated working position in the tunneling roadway and adjust the relative distance between the tractor and the continuous transport area and the working face conveyor belt; S2: Start the tractor to move forward, using the 40T chain to transmit traction force, and drag the integrated collaborative control component and the auxiliary production component forward along the tunnel as a whole; S3: Brake the tractor to a stationary state, control the first and second hydraulic cylinders to extend and retract, using the tractor as a support point, push and pull the integrated collaborative control component and the auxiliary production component to adjust their displacement.

[0027] Among them, long-distance traction operations utilize chains to meet the needs of large-span movement, while short-distance fine-tuning operations utilize hydraulic cylinders to eliminate positional errors to ensure accurate stopping.

[0028] This invention provides an integrated auxiliary production system and operating method for coal mine tunneling faces. It has the following beneficial effects: 1. This invention replaces the traditional fixed power distribution chamber mode by arranging the power supply area and material area in the auxiliary production components in a linear manner by connecting multiple flatbed trucks in series behind the tractor. This reduces the number of times power distribution points are installed and the length of cable laying. The tractor uses a 40T chain to pull the integrated collaborative control components and auxiliary production components as a whole, shortening the power distribution point installation cycle from one month to 4 hours and reducing the manual requirements for material relocation. It also realizes the synchronous migration of supporting equipment behind the tunneling face.

[0029] 2. This invention uses a 40T chain in conjunction with hydraulic cylinders one and two to connect the tractor and the integrated collaborative control component. During long-distance movement, the 40T chain bears the mechanical tension, preventing the piston rod of the hydraulic cylinder from bearing bending moment. During short-distance fine-tuning, the rigid push-pull force of hydraulic cylinders one and two is used to adjust the position of the integrated collaborative control component and auxiliary production component. In conjunction with the automatic power-off device for personnel approaching at the front of the tractor and the laser rangefinder on the side, the distance between the tractor and the conveyor belt on the working face is maintained, and the power is cut off when personnel enter the danger zone, reducing the probability of equipment collisions and personnel crushing accidents.

[0030] 3. This invention eliminates the risk of pneumatic tires being punctured by sharp rocks and the potential for the chassis to scrape against obstacles by using self-moving solid iron wheels with a diameter of at least 300mm on the flatbed chassis and setting the chassis height above the ground to at least 300mm. The flatbed in the power supply area is equipped with an iron canopy with a rain shield. Combined with the main structure of the flatbed that has undergone double-sided full welding and ultrasonic flaw detection, this prevents water from the tunnel from entering the electrical equipment and prevents equipment damage caused by falling rocks from the tunnel roof, thus ensuring the stability of equipment operation in complex tunnel environments. Attached Figure Description

[0031] Figure 1 This is a side view of the overall structure of the present invention; Figure 2 This is a top view of the overall structure of the present invention; Figure 3 This is a schematic diagram of the auxiliary production components of the present invention; Figure 4 This is a schematic diagram of the integrated collaborative control component of the present invention; Figure 5 This is a schematic diagram showing the connection between the power vehicle and the flatbed vehicle of the present invention; Figure 6 This is a schematic diagram of the vehicle stopper of the present invention.

[0032] In the diagram, 1. Integrated collaborative control components; 101. Monitoring and control vehicle; 102. Office vehicle; 103. Monitoring and control equipment; 104. Office material storage area; 2. Auxiliary production components; 201. Power supply area; 202. Production transfer vehicle; 203. Production transfer vehicle; 204. Backup production transfer vehicle; 205. Backup production transfer vehicle; 206. Dedicated fan transfer vehicle; 207. Dedicated fan transfer vehicle; 208. Backup fan transfer vehicle; 209. Backup fan transfer vehicle; 210. Switch vehicle; 211. Opening 1. Switch 1; 212. Switch 2; 213. Switch 2; 214. Material Area; 215. Material 1; 216. Material 2; 3. Tractor; 301. Hydraulic Cylinder 1; 302. Hydraulic Cylinder 2; 303. 40T Chain; 304. Automatic Power Cut-off Equipment; 4. Tunneling Machine; 5. Continuous Transport Vehicle; 6. Bridge Transfer Conveyor; 7. Continuous Transport Area; 8. Tunneling Roadway; 9. Working Face Conveyor; 10. Car Stopper; 1001. Car Stopper Left Leaf; 1002. Car Stopper Right Leaf; 1003. Car Stopper Connecting Rope. Detailed Implementation

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Please see the appendix Figure 1 and attached Figure 2 An integrated auxiliary production system for a coal mine tunneling face includes an integrated collaborative control component 1, an auxiliary production component 2, a tractor 3, and a tunneling roadway 8. The tunneling roadway 8 is equipped with a continuous transport zone 7, which includes a continuous transport vehicle 5 and a bridge-type transfer machine 6. The tunneling machine 4 is located in front of the continuous transport zone 7. The tractor 3, the integrated collaborative control component 1, and the auxiliary production component 2 are arranged linearly behind the continuous transport zone 7. A distance of at least 3m is reserved between the front end of the tractor 3 and the continuous transport zone 7, and a distance of at least 0.8m is maintained between the outer side of the tractor 3 and the working face conveyor belt 9. The integrated collaborative control component 1 is located behind the tractor 3. The auxiliary production component 2 is located behind the integrated collaborative control component 1. Both the integrated collaborative control component 1 and the auxiliary production component 2 are composed of multiple flatbed cars connected in series.

[0035] Specifically, before deployment, the dimensions of the entire tunnel 8 need to be verified, the flatness and slope of the tunnel roof, floor, and sidewalls need to be measured, and protruding obstacles on the tunnel floor need to be removed to create a flat working platform. The tractor 3 is a tracked, explosion-proof underground coal mine vehicle. It uses its built-in laser rangefinder to calibrate its relative position to the outside of the conveyor belt 9 at the working face in real time, strictly maintaining a distance of at least 0.8m to prevent mechanical collisions caused by overlapping equipment trajectories. The tractor 3 is equipped with an automatic power-off device 304 for personnel approach, using infrared or ultrasonic sensors to monitor the area ahead. Once personnel are detected entering the operating area, the traction motor power is immediately cut off to ensure personal safety. At least 3m of longitudinal distance is reserved to provide necessary buffer space for the maintenance of the haulage vehicle 5 and for emergency personnel passage. The linear layout structure ensures that the integrated collaborative control component 1 and auxiliary production component 2 will not obstruct the retreat path of the bridge-type transfer machine 6 as they advance with the tunnel face.

[0036] Please see the appendix Figure 3 and attached Figure 5 The tractor 3 is connected to the first vehicle of the integrated collaborative control component 1 via a chain connection and a hydraulic cylinder connection. The rear of the tractor 3 is equipped with a 40T chain 303, as well as hydraulic cylinder 1 301 and hydraulic cylinder 2 302. One end of the 40T chain 303 is installed at the end of the tractor 3, and the other end of the 40T chain 303 is installed at the end of the first vehicle of the integrated collaborative control component 1. The fixed ends of hydraulic cylinder 1 301 and hydraulic cylinder 2 302 are installed inside the tractor 3, and the telescopic ends of hydraulic cylinder 1 301 and hydraulic cylinder 2 302 are installed inside the first vehicle of the integrated collaborative control component 1.

[0037] Specifically, the hydraulic oil required for cylinders 301 and 302 is directly taken from the onboard hydraulic system of the tractor 3, eliminating the need for an additional pump station. During installation, the tension of the 40T chain 303 must be tested to ensure a tension of at least 50,000 Newtons to meet the load requirements during long-distance movement. Cylinders 301 and 302 are designed with a stroke of at least 2.5m, a telescopic speed controlled at 0.5 to 1m per minute, and a working pressure maintained at 16 to 25 MPa to ensure stable power output. Under long-distance traction conditions, the 40T chain 303 bears the main mechanical tension, preventing the cylinder piston rod from experiencing excessive bending moment; under short-distance fine-tuning conditions, the tractor 3 brakes serve as a fixed fulcrum, utilizing the rigid push-pull force of the cylinders to adjust the precise position of the integrated collaborative control component 1.

[0038] Please see the appendix Figure 1 -Appendix Figure 3The integrated collaborative control component 1 includes a monitoring vehicle 101 and an office vehicle 102 arranged sequentially. The monitoring vehicle 101 is located behind the tractor 3 and is equipped with monitoring equipment 103. The office vehicle 102 is located behind the monitoring vehicle 101 and is equipped with an office materials storage area 104.

[0039] Specifically, the monitoring vehicle 101 is 4 meters long and is equipped with a data acquisition terminal, alarm device, and lighting system. The monitoring equipment 103 integrates a gas sensor, a carbon monoxide sensor, and voltage and current sensors, collecting environmental and power supply data at 1-second intervals and transmitting it to the explosion-proof industrial touchscreen on the control panel. The system is equipped with a wind power interlock device; when a local ventilation fan stops, it automatically cuts off the power supply to the tunneling machine 4 and the continuous transport area 7 to prevent gas accumulation. Monitoring data and alarm information are uploaded to the coal mine ground dispatch center in real time via Ethernet for remote monitoring. The office vehicle 102 is 4 meters long. The office materials storage area 104 is equipped with waterproof filing cabinets for storing technical drawings and safety inspection records, and is equipped with desiccant to prevent mold growth. It is also equipped with an explosion-proof water dispenser, first-aid kit, and emergency self-rescue device to provide survival supplies for underground workers.

[0040] Please see the appendix Figure 3 The auxiliary production component 2 includes a power supply area 201 and a material area 214. The power supply area 201 is located behind the integrated collaborative control component 1. The power supply area 201 includes a production transfer vehicle 202, a standby production transfer vehicle 204, a dedicated fan transfer vehicle 206, a standby fan transfer vehicle 208, a switch vehicle 1 210, and a switch vehicle 212 arranged in series. The production transfer vehicle 202 is equipped with a production transfer transformer 203, the standby production transfer vehicle 204 is equipped with a standby production transfer transformer 205, the dedicated fan transfer vehicle 206 is equipped with a dedicated fan transfer transformer 207, the standby fan transfer vehicle 208 is equipped with a standby fan transfer transformer 209, and both the switch vehicle 1 210 and the switch vehicle 212 are equipped with a switch 1 211 and a switch 2 213.

[0041] Specifically, the production transformer relocation vehicle 202, the standby production transformer relocation vehicle 204, the dedicated fan transformer relocation vehicle 206, and the standby fan transformer relocation vehicle 208 are all 6 meters long; the switch relocation vehicle 210 and the switch relocation vehicle 212 are both 4 meters long. Production transformer relocation vehicle 203 provides the main power supply for the tunneling machine 4 and its supporting transportation system, while dedicated fan transformer relocation vehicle 207 supplies power to the ventilation equipment. The system uses a PLC controller to monitor voltage parameters. When the main equipment fails or is overloaded, it automatically switches to the standby production transformer relocation vehicle 205 or the standby fan transformer relocation vehicle 209 within 0.5 seconds to ensure continuous power supply. Switch relocation vehicle 211 and switch relocation vehicle 213 share the equipment start-up and shutdown control load, forming a redundant control loop. This centralized series arrangement replaces the traditional fixed power distribution chamber, shortening the power distribution point installation cycle from one month to 4 hours and reducing cable laying length.

[0042] Please see the appendix Figure 2 The top of each flatbed truck in Power Supply Zone 201 is equipped with an iron canopy, with rain guards installed on both sides of the iron canopy, and cable hooks installed below the iron canopy.

[0043] Specifically, the steel roof, made of Q235 steel with a thickness of at least 3mm, undergoes anti-corrosion treatment and can withstand the impact of falling gravel from the tunnel roof, protecting the transformer and switchgear below. Rain guards, at least 200mm wide, are welded to both sides of the roof and fitted with waterproof strips to divert rainwater from the tunnel to the outside of the vehicle body, preventing water droplets from seeping into electrical components and causing short circuits. Cable hooks, made of insulating material, are installed at 500mm intervals below the roof, with a single hook having a load-bearing capacity of at least 10,000 grams, to suspend and secure high-voltage cables, preventing them from scattering on the floor and being soaked in water or damaged by vehicle wheels. All outgoing cables are delivered to the tunneling face via dedicated hooks to provide power to the power equipment.

[0044] Please see the appendix Figure 2 and attached Figure 3 The material area 214 is located behind the power supply area 201. The material area 214 includes a material cart 215 and a material cart 216 connected in sequence. Weight sensors are installed inside the flatbed carts of the material area 214.

[0045] Specifically, weight sensors are installed on the load-bearing beams of the flatbed truck chassis, with a measurement accuracy of ±0.5 kg, to monitor the load status of materials in Material Cart 1 (215) and Material Cart 2 (216) in real time. When the sensor detects that the remaining amount of a certain type of support material is lower than a preset threshold, the monitoring equipment 103 triggers an audible and visual alarm to prompt replenishment and uploads the consumption data to the ground dispatch center. The main structure of the flatbed truck is formed by welding 10mm thick iron plates and I-beams. The welding process adopts a double-sided full welding process, with a weld height of at least 8mm. The welds are tested for defects by ultrasonic flaw detection, and each truck has passed a 5-ton load test to ensure that the deformation of the frame is no more than 2mm when carrying heavy materials.

[0046] Please see the appendix Figure 1 The integrated collaborative control component 1 and the auxiliary production component 2 are connected to each other by universal joints and pins. The connection between the integrated collaborative control component 1 and the auxiliary production component 2 is also connected by universal joints and pins. The bottom of the flatbed chassis is equipped with self-moving solid iron wheels, and the height of the flatbed chassis from the ground is at least 300mm.

[0047] Specifically, the connection points utilize 45# steel universal joints with galvanized pins. Each connection point is equipped with two M16 anti-loosening nuts and spring washers to prevent loosening due to vibration. After applying lithium-based grease, it allows for horizontal and vertical deflection of ±30 degrees, enabling the train to adapt to tunnel paths with a minimum turning radius of 8m. The chassis bottom is welded with 8mm thick transverse reinforcing ribs at least 300mm apart to enhance torsional resistance. Self-propelled solid iron wheels have a diameter of at least 300mm and a wheel surface width of at least 150mm, incorporating 6208 deep groove ball bearings. Rotational resistance is at most 50 Newtons, eliminating the risk of pneumatic tires being punctured by sharp rocks. The chassis ground clearance is set at least 300mm to ensure the vehicle does not scrape when traversing uneven tunnel floors, while maintaining overall vehicle stability to prevent tipping.

[0048] Please see the appendix Figure 3 and attached Figure 4 Material Cart 1 (215) has an anchor bolt area, a tray resin area, and an anchor mesh area. The anchor bolt area is equipped with a U-shaped limiting baffle, the tray resin area is equipped with a flat limiting frame, and the anchor mesh area is equipped with a vertical bracket. Material Cart 2 (216) has an air duct area and a conveyor belt frame area. The conveyor belt frame area is equipped with a grooved support seat. The front end of Tractor 3 is equipped with an automatic power-off device (304).

[0049] Specifically, aluminum alloy signs are installed in all material storage areas, indicating the material name, specifications, and quantity. In the anchor bolt area, U-shaped limiting baffles at least 300mm high are used to prevent round anchor bolts from rolling and slipping. In the pallet resin area, materials are neatly stacked using planar limiting frames at least 500mm x 500mm in size. In the anchor net area, vertical supports at least 1.5m high are used to suspend the anchor nets vertically, preventing folding and damage. In the conveyor belt frame area, recessed support seats at least 100mm deep are used to secure the frame components. Stainless steel limiting baffles are installed between each area, and the baffles are welded to the flatbed truck to prevent materials from mixing during movement. Automatic power-off equipment 304 uses infrared or ultrasonic sensors to monitor the area in front of the tractor 3. Once personnel are detected entering the danger zone, the power to the traction motor is immediately cut off to prevent crushing injuries.

[0050] Please see the appendix Figure 4 and attached Figure 6Each flatbed truck has a wheel stopper 10 installed under its wheels. The wheel stopper 10 includes a left wheel stopper leaf 1001, a right wheel stopper leaf 1002, and a wheel stopper connecting rope 1003. Both ends of the wheel stopper connecting rope 1003 are fixedly connected between the left wheel stopper leaf 1001 and the right wheel stopper leaf 1002.

[0051] Specifically, the left leaf 1001 and right leaf 1002 of the wheel stopper are made of high-strength rubber and have a wedge-shaped structure. When the vehicle is stationary, they are inserted under the contact point between the wheel and the ground, using physical friction to prevent the vehicle from rolling away in tunnels with a slope of up to 30 degrees. The wheel stopper connecting rope 1003 physically connects the left and right parts, facilitating simultaneous disassembly and assembly by operators and preventing the anti-rollover measures from failing due to the loss of a part on one side.

[0052] Please see the appendix Figure 1 Appendix Figure 3 and attached Figure 5 An integrated operation method for auxiliary production at a coal mine tunneling face includes the following steps: S1: Drive the tractor 3 to the designated working position in the tunneling roadway 8 and adjust the relative distance between the tractor 3 and the continuous transport area 7 and the working face conveyor belt 9; In this step, operators use a laser rangefinder to assist in calibrating the lateral and longitudinal positions of the tractor 3, ensuring that subsequent components are linearly aligned and avoiding spatial interference with other facilities in the tunnel. Simultaneously, the tunnel environment is checked, and obstacles on the tunnel floor are cleared to create a smooth path for subsequent overall movement.

[0053] S2: Start the tractor 3 to move forward, using the 40T chain 303 to transmit traction force, and drag the integrated collaborative control component 1 and auxiliary production component 2 forward along the tunneling roadway 8 as a whole; In this step, the tractor 3 starts the track drive mechanism, controlling the travel speed at 0.3 to 0.5 m / min to prevent damage to the connecting pins due to inertial impact caused by excessive speed. The 40T chain 303 continuously transmits a traction force of more than 50,000 Newtons to overcome the static friction between the wheels of the multiple flatbed trucks behind and the ground, driving the entire system to move forward synchronously and smoothly.

[0054] S3: When the braked tractor 3 is in a stationary state, control cylinder 1 301 and cylinder 2 302 to perform extension and retraction movements. Using the tractor 3 as a support point, push and pull the integrated collaborative control component 1 and auxiliary production component 2 to adjust the displacement.

[0055] This step utilizes the rigid push-pull force of hydraulic cylinders 301 and 302 under hydraulic pressure of 16 to 25 MPa to fine-tune the position of the rear components. Displacement sensors provide real-time feedback of stroke data, eliminating accumulated errors caused by long-distance movement and ensuring that cable connection length and personnel operating space meet safety technical specifications.

Claims

1. An integrated auxiliary production system for coal mine tunneling faces, characterized in that, It includes an integrated collaborative control component (1), an auxiliary production component (2), a tractor (3), and a tunneling roadway (8); The tunnel (8) is equipped with a continuous transport zone (7), which includes a transport car (5) and a bridge transfer machine (6). A tunneling machine (4) is located in front of the continuous transport zone (7). The tractor (3), the integrated collaborative control component (1), and the auxiliary production component (2) are arranged in a linear fashion behind the continuous transport area (7); The front end of the tractor (3) is reserved at least 3m away from the continuous transport area (7), and the outer side of the tractor (3) is kept at least 0.8m away from the working face conveyor belt (9). The integrated collaborative control component (1) is located behind the tractor (3); The auxiliary production component (2) is located behind the integrated collaborative control component (1); Both the integrated collaborative control component (1) and the auxiliary production component (2) are composed of multiple flatbed trucks connected in series; The tractor (3) is connected to the first section of the integrated collaborative control component (1) via a chain connection and a hydraulic cylinder connection. The tractor (3) is equipped with a 40T chain (303), a hydraulic cylinder (301), and a hydraulic cylinder (302) at the rear. One end of the 40T chain (303) is installed at the end of the tractor (3), and the other end of the 40T chain (303) is installed at the end of the first section of the integrated cooperative control assembly (1); The fixed end of the first hydraulic cylinder (301) and the fixed end of the second hydraulic cylinder (302) are installed inside the tractor (3), and the telescopic end of the first hydraulic cylinder (301) and the telescopic end of the second hydraulic cylinder (302) are installed inside the first vehicle section of the integrated collaborative control component (1).

2. The integrated auxiliary production system for coal mine tunneling faces according to claim 1, characterized in that, The integrated collaborative control component (1) includes a monitoring vehicle (101) and an office vehicle (102) arranged sequentially. The monitoring vehicle (101) is located behind the tractor (3), and the monitoring vehicle (101) is equipped with monitoring equipment (103). The office vehicle (102) is located behind the monitoring vehicle (101), and the office vehicle (102) has an office material storage area (104) inside.

3. The integrated auxiliary production system for coal mine tunneling faces according to claim 1, characterized in that, The auxiliary production component (2) includes a power supply area (201) and a material area (214). The power supply area (201) is located behind the integrated collaborative control component (1); The power supply area (201) includes a production transfer vehicle (202), a backup production transfer vehicle (204), a dedicated fan transfer vehicle (206), a backup fan transfer vehicle (208), a switch car (210), and a switch car (212) arranged in series. The production transfer vehicle (202) is equipped with a production transfer transformer (203), the backup production transfer vehicle (204) is equipped with a backup production transfer transformer (205), the dedicated fan transfer vehicle (206) is equipped with a dedicated fan transfer transformer (207), the backup fan transfer vehicle (208) is equipped with a backup fan transfer transformer (209), and the switch vehicle (210) and switch vehicle (212) are each equipped with switch one (211) and switch two (213).

4. The integrated auxiliary production system for coal mine tunneling faces according to claim 3, characterized in that, The top of each flatbed truck inside the power supply area (201) is equipped with an iron canopy, and rain shields are installed on both sides of the iron canopy. Cable hooks are installed below the iron canopy.

5. The integrated auxiliary production system for coal mine tunneling faces according to claim 3, characterized in that, The material area (214) is located behind the power supply area (201). The material area (214) includes a material cart (215) and a material cart (216) connected in sequence. A weight sensor is installed inside the flatbed cart of the material area (214).

6. The integrated auxiliary production system for coal mine tunneling faces according to claim 1, characterized in that, The sections of the flatbed car inside the integrated collaborative control component (1) and the auxiliary production component (2) are connected by universal joints and pins. The connection between the integrated collaborative control component (1) and the auxiliary production component (2) is also connected by universal joints and pins. Each flatbed truck chassis is equipped with self-moving solid iron wheels at the bottom, and the height of the flatbed truck chassis from the ground is at least 300mm.

7. The integrated auxiliary production system for coal mine tunneling faces according to claim 5, characterized in that, The material vehicle (215) is equipped with an anchor bolt area, a tray resin area and an anchor mesh area. The anchor bolt area is equipped with a U-shaped limiting baffle, the tray resin area is equipped with a planar limiting frame, and the anchor mesh area is equipped with a vertical bracket. The material car (216) is equipped with an air duct area and a tape machine frame area, and the tape machine frame area is equipped with a grooved support seat; The tractor (3) is equipped with an automatic power-off device (304) at the front end.

8. The integrated auxiliary production system for coal mine tunneling faces according to claim 1, characterized in that, All flatbed trucks are equipped with wheel stops (10) under their wheels. The vehicle stopper (10) includes a left leaf (1001), a right leaf (1002), and a connecting rope (1003). Both ends of the connecting rope (1003) are fixedly connected between the left leaf (1001) and the right leaf (1002).

9. A method for integrated operation of auxiliary production at a coal mine tunneling face, characterized in that, An integrated auxiliary production system for coal mine tunneling faces according to any one of claims 1 to 8 includes the following steps: S1: Drive the tractor (3) to the designated working position in the tunnel (8) and adjust the relative distance between the tractor (3) and the continuous transport area (7) and the working face conveyor belt (9); S2: Start the tractor (3) to move forward, and use the 40T chain (303) to transmit traction force to drag the integrated collaborative control component (1) and the auxiliary production component (2) along the tunnel (8) as a whole. S3: Brake the tractor (3) to be stationary and fixed, control the first cylinder (301) and the second cylinder (302) to perform extension and retraction actions, and use the tractor (3) as a support point to push and pull the integrated collaborative control component (1) and the auxiliary production component (2) to adjust their displacement.

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