A continuous mining and transportation coordinated conveying system

Abstract

A continuous mining and transportation coordinated conveying system, characterized in that it is composed of a multi-joint transfer system with a crawler-type tail buffer device for traction and a continuously telescopic carrier system with a crawler-type traction tail device for traction; the multi-joint transfer system is overlapped with the continuous telescopic carrier system by riding, and the adjustable speed drive tensioning and remotely controllable self-locking device and part of the multi-joint transfer body in the multi-joint transfer system are always in the bearing track of the segmented wheeled rail car in the continuous telescopic carrier system. The present invention adopts crawler power traction to realize the movement of the tail of the machine, pulling the respective fuselages to move accordingly, realizing the autonomous real-time movement of the multi-joint transfer system and the continuously telescopic carrier system, realizing the continuous transportation between the excavation working face and the main tunnel during the unmanned mining process, and then realizing unmanned remote control and fully automatic operation, which completely changes the traditional situation of relying on manpower or mining and excavation integrated machine traction and movement, reduces the workload of workers, and also greatly improves the safety of underground coal mines.

Description

Technical Field

[0001] The invention relates to the technical field of underground coal mine excavation, mining, transportation and conveying, and in particular to a continuous mining and transportation coordinated conveying system. Background Art

[0002] With the rapid development of automation and intelligence in coal mines, flexible and movable transfer machines and conveyors are being used more and more widely in the supporting transportation system after excavation. The moving distance and flexibility of the transfer machine and the moving flexibility and storage belt length of the tail of the conveyor directly affect the excavation distance and efficiency of the integrated mining and excavation machine, which in turn determines the production capacity and efficiency of the coal mining face to a large extent.

[0003] At present, the commonly used working mode of the mining face is that the mining machine, the transfer machine, and the chute belt conveyor are overlapped and coordinated in sequence. The transfer machine after the mining machine mostly uses a scraper or a cantilevered truss transfer conveyor; the scraper parts are relatively heavy, and the handling and installation are time-consuming and labor-intensive. The scraper has large running resistance, high noise, and high power consumption, causing serious power loss; the cantilevered truss transfer conveyor is cantilevered to the mining machine at the tail end, and the fuselage section is partially cantilevered. Due to the limitation of the supporting force of the profile, the maximum length is 36 meters, and the transportation capacity is small, which cannot meet the requirements of the mining machine for long-distance excavation. The truss occupies a large space and the weight of a single section is large, which is not convenient for installation and transportation in the narrow space underground. In addition, the above two types of transfer machines cannot realize the autonomous movement of the entire belt conveyor, and both require human or external traction to move.

[0004] The tail of the chute belt conveyor connected to the transfer machine needs to be moved frequently as the working face advances. At present, there are two main ways to move the tail of the chute: one is to move the tail manually. This method has complex construction procedures and many links, large dismantling and installation workload, many unsafe factors, and the belt is easy to deviate. The construction time is long, which directly affects the normal production of the comprehensive mining face. The other is to use a self-moving tail to move the tail through a complex hydraulic device. This device is large in size, heavy in weight, complex in control system, large in installation and maintenance workload, and slow in moving speed, which also affects the working efficiency of the comprehensive mining face. The traditional chute belt conveyor storage device towing frame adopts a towing car structure. The weight of the entire towing car is supported by the bottom wheel frame. Therefore, the weight of the towing car is limited. The height of the towing car is short, and the number of belt layers that can be supported is small, resulting in a limited storage belt length. Generally, the storage belt length of the chute conveyor is about 200 meters. The storage belt length is short and cannot meet the requirements of efficient underground excavation. Summary of the invention

[0005] The purpose of the present invention is to provide a continuous mining and continuous transportation coordinated conveying system, which consists of two major parts: a multi-joint transfer system and a continuous telescopic carrier system. Each part can realize autonomous and flexible movement, and can move in time with the excavation of the mining and excavation integrated machine. The whole system has a simple structure, easy operation, safe and reliable operation, and low maintenance workload, and can effectively improve the work efficiency of the underground mining face of the coal mine.

[0006] The objective of the present invention is achieved in this way: a continuous mining and continuous transportation coordinated conveying system, characterized in that: it is composed of a multi-joint transfer system with traction of a crawler-type tail buffer device and a continuous telescopic carrier system with traction of a crawler-type traction tail device; the multi-joint transfer system is overlapped with the continuous telescopic carrier system by a riding manner, and the speed-adjustable drive tensioning and remotely controllable self-locking device and part of the multi-joint transfer body in the multi-joint transfer system are always in the load-bearing track of the segmented wheeled rail car in the continuous telescopic carrier system.

[0007] The purpose of the present invention can also be achieved in this way: the multi-joint transfer system is composed of a receiving hopper, a crawler tail buffer device, a multi-joint transfer body and an adjustable speed drive tensioning and remotely controlled self-locking device; the receiving hopper is installed on the crawler tail buffer device, and plays the role of material storage and guiding; the crawler tail buffer device is located at the tail of the multi-joint transfer system, and plays the role of traction and buffering material impact; the multi-joint transfer body is connected to the crawler tail buffer device through a pin shaft, and moves with the crawler tail buffer device; the adjustable speed drive tensioning and remotely controlled self-locking device is located at the head of the multi-joint transfer system, and is connected to the multi-joint transfer body through a pin shaft, and plays the role of driving the belt to rotate and tighten the belt and remotely controlling and self-locking the multi-joint transfer system; the entire multi-joint transfer system can move forward and backward under the traction of the crawler tail buffer device.

[0008] The crawler tail buffer device in the multi-joint transfer system is composed of a hydraulic motor, a crawler chassis assembly, a tail redirecting roller, an upper buffer roller group, a lower flat roller group and a hopper support; the crawler chassis assembly is composed of a driving wheel, a supporting wheel, a guide wheel, a traction wheel and a crawler, and a support frame; the driving wheel is installed on both sides of the front end of the support frame to drive the crawler to rotate; the supporting wheel is installed on both sides of the rear end of the support frame to support the crawler; the guide wheels are evenly distributed on the lower crossbeam of the support frame to guide the crawler when it rotates; the supporting wheel is installed The upper crossbeam of the support frame supports the upper crawler track; the crawler track is wound around the driving wheel and the supporting wheel to form a closed loop; the hydraulic motor is installed on the driving wheel to provide power for the driving wheel; the tail redirecting roller is installed in the middle of the front end of the support frame and fixed by bolts; the upper buffer roller group is installed in the middle of the upper crossbeam of the support frame to buffer the impact of materials; the lower flat roller group is installed in the middle of the lower crossbeam of the support frame to support the lower belt; the receiving hopper bracket is installed on the upper crossbeam of the support frame and fixed by bolts to support the receiving hopper.

[0009] The multi-joint transport body in the multi-joint transport system is composed of several modular joint units hinged by pins. The modular joint unit is composed of an upper roller group, a lower flat roller group, a traveling wheel and a joint unit frame. The upper roller group is installed on the cross beam of the joint unit frame and fixed by bolts to carry the tape and materials. The lower flat roller group is installed under the cross beam of the joint unit frame and fixed by bolts to carry the lower tape. The traveling wheels are installed in the slots at the bottom of both ends of the joint unit frame and fixed by clamps and bolts to support and travel.

[0010] The adjustable speed drive tensioning and remotely controlled self-locking device in the multi-joint transfer system consists of an adjustable speed drive tensioning device, a two-way support locking device, and an integral frame. The adjustable speed drive tensioning device is installed on the upper and lower beams of the integral frame; the two-way support locking device is installed in the U-shaped slots on both sides of the integral frame and fixed by baffles and bolts.

[0011] The adjustable speed drive tensioning device consists of a permanent magnet drive drum, a tensioning slide, a wire rope, a pulley block, a tensioning cylinder and a tensioning cylinder support; the permanent magnet drive drum in the adjustable speed drive tensioning device is installed on the tensioning slide and fixed by bolts; the tensioning slide is installed on the lower crossbeam of the integral frame; the tensioning cylinder support is installed on the upper crossbeam of the integral frame and fixed by bolts; the tensioning cylinder is installed on the tensioning cylinder support; the pulley block is installed on the end of the integral frame away from the tensioning cylinder and fixed by bolts; one end of the wire rope is fixed to the tensioning slide by a rope clamp, and then passes through the pulley block, and the other end is fixed to the front end of the piston of the tensioning cylinder by a rope clamp.

[0012] The two-way support locking device consists of a toothed engagement mechanism, a support base, a support cylinder, and a limit pin; in the two-way support locking device, the support cylinder is vertically installed in a U-shaped slot on the integral frame and is fixed by a baffle and bolts; the support cylinder is a two-way retractable mechanism, a positioning flange is welded on the cylinder body, and a thread is processed on the end of the piston rod, and the toothed engagement mechanism and the support base are threadedly connected to it; the toothed engagement mechanism is installed on the upper end of the piston rod of the support cylinder; the support base is installed on the bottom of the lower piston rod of the support cylinder; the limit pin passes through the openings on the U-shaped card plate and the support cylinder flange at the same time to prevent the support cylinder from rotating.

[0013] The continuous telescopic carrier system consists of a crawler tractor tail device, a segmented wheel rail car, an adjustable ground-inserting fuselage, a hydraulic belt winding device, an adjustable speed belt retracting and unloading and storage device, and an adjustable speed driving and unloading integrated device; the crawler tractor tail device is located at the tail of the continuous telescopic carrier system, and plays the role of pulling the segmented wheel rail car forward and backward; the segmented wheel rail car is located in front of the crawler tractor tail device and is connected to the crawler tractor tail device through a pin shaft; the adjustable ground-inserting fuselage is evenly arranged in front of the segmented wheel rail car when the crawler tractor tail device moves backward, and plays the role of carrying the tape and materials; the adjustable speed driving and unloading integrated device is located at the head of the continuous telescopic carrier system, and plays the role of driving the tape to rotate and unloading materials; the adjustable speed belt retracting and unloading and storage device is arranged behind the adjustable speed driving and unloading integrated device at the head and is connected by bolts, and plays the role of storing and tightening the tape; the hydraulic belt winding device is arranged behind the adjustable speed belt retracting and unloading and storage device, which is convenient for installing and collecting the tape.

[0014] The crawler-type traction machine tail device in the continuous telescopic carrier system consists of two parts: a climbing guide mechanism and a crawler walking mechanism, and the two parts are hinged by a pin shaft.

[0015] The climbing guide mechanism consists of a mobile support wheel, a slope guide rail, a support frame I, and an unequal diameter open guide rail; the mobile support wheel is installed in the slot below the tail of the support frame I and fixed with a baffle and bolts; the slope guide rail is welded on the top of the support frame I; the unequal diameter open guide rail is installed at the tail of the support frame I and is hinged by a pin shaft.

[0016] The crawler walking mechanism consists of a hydraulic motor, a crawler device, a crawler support frame, an electric roller, a horizontal guide rail, and a support frame II; the crawler device is installed at both ends of the crawler support frame; the crawler support frame is welded below the support frame II; the horizontal guide rail is welded above the support frame II; the electric roller is installed on the frame on the support frame II and fixed by bolts.

[0017] The segmented wheeled rail vehicle in the continuous telescopic carrier system includes a load-bearing rail, a load-bearing frame, a rail vehicle running wheel, an upper roller group of the rail vehicle, a lower roller, an upper roller frame lap beam, a lower roller frame lap beam and a connecting cross beam; the lower roller frame lap beam, the load-bearing beam and the load-bearing rail are welded to form a single-side frame, and the single-side frame is parallelly welded through the connecting cross beam to form an integral frame in an inverted trapezoidal shape; the top of the single-side frame is the load-bearing rail, which provides load-bearing for the multi-joint transport body and the adjustable speed drive tension and remotely controlled self-locking device in the multi-joint transport system. Limiting; an upper roller frame lap beam is welded on the inner side of the single-side frame, wherein the upper roller frame lap beam and the lower roller frame lap beam are placed horizontally and parallel to the load-bearing track, the upper roller frame lap beam is connected to the upper roller frame by bolts, and the upper roller group is installed on the upper roller frame lap beam; the lower roller frame is connected by the groove in the lower roller frame lap beam, and the lower roller is installed on the lower roller frame; the rail vehicle running wheels are connected to the lower roller frame lap beam of the single-side frame through wheel bearings, and the rail vehicle running wheels are installed in the grooves and fixed by clamping plates and bolts.

[0018] The load-bearing beam is formed by welding three steel pieces which are symmetrical at 45 degrees on both sides and vertical in the middle, and the whole is V-shaped.

[0019] The connection length of the segmented wheeled rail vehicle can be adjusted by increasing or decreasing the number of vehicle bodies, and the segments are connected by pins, and there is an appropriate amount of spacing at the connection points to ensure that the connection angle of the two segmented wheeled rail vehicles can be adjusted within a certain range.

[0020] The adjustable ground-inserting body in the continuous telescopic carrier system is composed of adjustable legs, sleeve rods, a hanging upper roller group, and a lower V-shaped roller group; the sleeve rods are installed on the upper part of the adjustable legs, and adjustment holes are arranged on the sleeve rods, and the height of the adjustable legs can be adjusted through the adjustment holes; there are hooks at both ends of the hanging upper roller group, which is suspended on the ring frame of the adjustable legs; the lower V-shaped roller group is fixed to the adjustable legs through pins.

[0021] The speed-adjustable belt retracting and releasing and belt storage device in the continuous telescopic carrier system consists of belt storage side columns, a hydraulic winch, a redirecting roller I, a tensioning trolley, a belt storage unit, a belt storage redirecting frame and a redirecting roller II; the hydraulic winch is fixed on the belt storage side columns, the hydraulic winch is connected to the tensioning trolley through a wire rope, the redirecting roller I is fixedly installed on the tensioning trolley through bolts, and the redirecting roller II is fixedly installed on the belt storage redirecting frame; the belt storage redirecting frame is connected to the belt storage unit.

[0022] The belt storage unit is composed of a belt-carrying trolley, a belt-carrying intermediate frame, a belt-carrying center column, a track beam, sealed rollers, an anti-rail-dropping device and a limit device; the belt-carrying redirecting frame is connected to the belt-carrying intermediate frame of the belt-carrying unit, and the left end of the belt-carrying redirecting frame is supported by the belt-carrying center column; the belt-carrying intermediate frame is fixedly connected to the belt-carrying center column, and the track beam is fixed to the belt-carrying center column by bolts; there is a belt-carrying trolley on the belt-carrying unit, and several groups of sealed rollers are arranged on the belt-carrying trolley, which is tilted at 45° on the track beam, and the belt-carrying trolleys are connected by chains, and the two ends of the chain are respectively connected to the tensioning trolley and the belt-carrying redirecting frame.

[0023] The belt storage unit has several groups, which are connected in sections by bolts.

[0024] The towing trolley is also equipped with a limit device, which is welded on both sides of the towing trolley to prevent the distance between the two sets of trolleys from being too close and the rollers from interfering with each other. The trolley is also equipped with an anti-rail-off device, which is installed at the bottom of the trolley and connected by bolts to prevent the wheels of the trolley from falling off the track.

[0025] The hydraulic tape winding device in the continuous telescopic carrier system is composed of a hydraulic motor, a tape winding shaft, a tape winding bracket, a rotating body, a chassis, a hydraulic tape winding anti-deviation device, a hydraulic cylinder I, and a hydraulic cylinder II; the hydraulic motor is installed on the tape winding bracket and fixed by bolts, and plays a role in driving the tape winding shaft to rotate; one end of the tape winding shaft is inserted into the shaft hole of the tape winding bracket, and the other end is connected to the hydraulic motor by bolts to wind the tape; the tape winding bracket is installed on the rotating body and fixed by bolts; the rotating body is inserted into the vertical axis of the chassis to ensure flexible rotation; the hydraulic tape winding anti-deviation device is installed on the tape winding bracket and connected by a pin shaft to prevent the tape from deviating; one end of the hydraulic cylinder I is installed on the chassis and fixed by a pin shaft, and the other end is installed on the rotating body and fixed by a pin shaft, and plays a role in pulling the rotating body to rotate; one end of the hydraulic cylinder II is installed on the rotating body and fixed by a pin shaft, and the other end is installed on the tape winding bracket and fixed by a pin shaft, and plays a role in supporting the tape winding bracket to move up and down.

[0026] The adjustable speed drive unloading integrated device in the continuous telescopic carrier system consists of a permanent magnet drive roller, a redirecting roller, a surface increasing roller, an unloading roller, an integrated frame, and an upper roller group; the permanent magnet drive roller is installed on the inclined beam of the integrated frame and fixed by bolts to drive the belt to rotate; the redirecting roller is installed on the rear end vertical beam of the integrated frame and fixed by bolts; the surface increasing roller is installed on the front end vertical beam of the integrated frame and fixed by bolts to increase the belt wrap angle; the unloading frame is installed at the front end of the extended frame of the integrated frame and fixed by bolts; the upper roller group is evenly distributed on the upper crossbeam of the integrated frame and fixed by bolts to carry the upper belt and materials.

[0027] The beneficial effects of the present invention are:

[0028] 1. The multi-joint transfer system and the continuous telescopic carrier system of the present invention creatively adopt the crawler power traction method to realize the movement of the tail of the machine, and then pull the respective fuselages to move accordingly, thereby realizing the autonomous real-time movement of the multi-joint transfer system and the continuous telescopic carrier system, and realizing the continuous transportation between the excavation working face and the main tunnel during the unmanned mining process, thereby realizing unmanned remote control and fully automatic operation, which completely changes the traditional situation of relying on manpower or mining and excavation integrated machine traction and movement, reduces the workload of workers, and also greatly improves the safety of underground coal mines.

[0029] 2. The fuselage parts of the multi-joint transfer system and the continuous telescopic carrier system of the present invention are both connected by modular joint units through a pin-hinged structure, which increases the flexibility of the fuselage and can better adapt to the uneven ground environment underground; and walking wheels are installed under the modular joint units to facilitate workers' movement, reduce workers' labor intensity, and realize rapid extension of the fuselage part.

[0030] 3. The multi-joint transfer system and the continuous telescopic carrier system of the present invention both use electric rollers to drive the belts for operation. Such rollers have a compact structure, occupy a small space, transmit a large torque, run smoothly and safely, have low noise, and save energy. They save about 20% energy compared to traditional electric rollers, greatly reducing the operating costs of coal mines.

[0031] 4. The multi-joint transfer system of the present invention overcomes the limitation of the maximum length of 36 meters of the traditional cantilevered lap truss transfer machine. The entire system is supported by wheels and has no cantilevered parts. The lap length can be increased according to customer requirements, which greatly increases the mining distance of the integrated mining and excavation machine. Since all parts of the fuselage are ground-based structures, the transportation volume can be greatly increased, improving the working efficiency of the working surface.

[0032] 5. The towing trolley of the belt storage device of the continuous telescopic carrier system of the present invention adopts an upper and lower double support structure, which changes the traditional towing trolley that relies on the unidirectional support structure of the lower wheel frame. It can carry more layers of tape and greatly increase the storage length of up to 600 meters, so that the tail of the machine can move a longer distance, increasing the service life of the continuous telescopic carrier system. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the continuous mining and transportation coordinated conveying system of the present invention.

[0034] Figure 2 It is a schematic diagram of the multi-joint transport system of the present invention.

[0035] Figure 3 It is a schematic diagram of the continuous telescopic carrier system of the present invention.

[0036] Figure 4 It is a modular joint unit of the multi-joint transport system of the present invention.

[0037] Figure 5 The invention discloses a multi-joint transport system with adjustable speed drive tensioning and remotely controlled self-locking device.

[0038] Figure 6 The invention discloses a crawler-type traction tail device of a continuous telescopic carrier system.

[0039] Figure 7 The invention discloses a segmented wheeled rail vehicle of a continuous telescopic carrier system.

[0040] Figure 8 The single-side frame of the segmented wheeled rail vehicle of the continuous telescopic carrier system of the present invention.

[0041] Fig. 9 It is a top view of the segmented wheeled rail vehicle of the continuous telescopic carrier system of the present invention (without the upper roller group).

[0042] Fig.10 for Fig. 9 Left view of .

[0043] Fig.11 The invention discloses an adjustable ground-inserting body of the continuous telescopic carrier system.

[0044] Fig.12 The invention discloses a continuous telescopic carrier system with adjustable speed for retracting and releasing belts and a belt storage device.

[0045] Fig.13 It is a left view of the belt storage unit of the belt storage device with adjustable speed for retracting and releasing the belt of the continuous telescopic carrier system of the present invention.

[0046] Fig.14 for Fig.13 Schematic diagram of the anti-track-off device structure of the central belt storage unit.

[0047] Fig.15 It is a schematic diagram of the overlap of the multi-jointed transport fuselage and the segmented wheeled rail vehicle of the present invention.

[0048] Fig.16 for Fig.15 Left view of .

[0049] Fig.17 It is a schematic diagram of the overlap between the multi-jointed transport body and the crawler-type traction tail device of the present invention.

[0050] Fig.18 for Fig.17 Top view of the .

[0051] Fig.19 Working status diagram of adjustable speed drive tensioning and remotely controlled self-locking device

[0052] In the attached drawings: a receiving hopper 1, a crawler tail buffer device 2, a multi-joint transfer body 3, an adjustable speed drive tensioning and remotely controllable self-locking device 4, a crawler traction tail device 5, a segmented wheel rail vehicle 6, an adjustable ground-inserting body 7, a hydraulic belt winding device 8, an adjustable speed belt retracting and storage device 9, and an adjustable speed drive unloading integrated device 10.

[0053] Among them, the multi-joint transport body 3 includes an upper roller group 3-1, a lower flat roller group 3-2, a running wheel 3-3, and a joint unit frame 3-4.

[0054] The speed-adjustable drive tensioning and remotely controllable self-locking device 4 comprises an integral frame 4-1, a permanent magnet drive roller 4-2, a tensioning slide 4-3, a steel wire rope 4-4, a pulley block 4-5, a tensioning cylinder 4-6, a tensioning cylinder support 4-7, a toothed engagement mechanism 4-8, a support base 4-9, a support cylinder 4-10, and a limit pin 4-11.

[0055] The crawler traction machine tail device 5 comprises a moving support wheel 5-1, a slope guide rail 5-2, a support frame I 5-3, an unequal diameter opening guide rail 5-4, a crawler device 5-5, a crawler support frame 5-6, an electric roller 5-7, a horizontal guide rail 5-8, and a support frame II 5-9.

[0056] The segmented wheeled rail vehicle 6 comprises a bearing rail 6-1, a rail beam 6-2, a lower roller 6-3, an upper roller group 6-4 of the rail vehicle, a rail vehicle running wheel 6-5, an upper roller mounting beam 6-6, a lower roller mounting beam 6-7, a lower roller frame 6-8, an upper roller frame 6-9, and a connecting cross beam 6-10.

[0057] The adjustable ground-inserting body 7 comprises adjustable legs 7-1, a hanging upper roller group 7-2, a lower V-shaped roller group 7-3, and a sleeve rod 7-4.

[0058] The speed-adjustable belt retracting and unwinding and belt storage device 9 comprises a hydraulic winch 9-1, a redirecting roller I 9-2, a tensioning trolley 9-3, a towing trolley 9-4, a belt storage intermediate frame 9-5, a belt storage center column 9-6, a track beam 9-7, a belt storage redirecting frame 9-8, a sealing roller 9-9, a redirecting roller II 9-10, an anti-rail-dropping device 9-11, a limit device 9-12, and a belt storage side column 9-13. DETAILED DESCRIPTION

[0059] The present invention will be further described below in conjunction with specific embodiments, and the advantages and features of the present invention will become clearer as the description proceeds. However, these embodiments are exemplary only and do not constitute any limitation to the scope of the present invention. It should be understood by those skilled in the art that the details and forms of the technical solution of the present invention may be modified or replaced without departing from the spirit and scope of the present invention, but these modifications and replacements all fall within the scope of protection of the present invention.

[0060] A continuous mining and continuous transportation coordinated conveying system consists of a multi-joint transfer system with traction of a crawler machine tail buffer device and a continuous telescopic carrier system with traction of a crawler machine tail device; the multi-joint transfer system is overlapped with the continuous telescopic carrier system by riding, and the adjustable speed drive tensioning and remotely controllable self-locking device in the multi-joint transfer system and part of the multi-joint transfer body are always in the load-bearing track of the segmented wheeled rail car in the continuous telescopic carrier system.

[0061] The multi-joint transfer system consists of a receiving hopper 1, a crawler tail buffer device 2, a multi-joint transfer body 3 and an adjustable speed drive tensioning and remotely controllable self-locking device 4; the receiving hopper 1 is installed on the crawler tail buffer device 2, and plays the role of material storage and material guiding; the crawler tail buffer device 2 is located at the tail of the multi-joint transfer system, and plays the role of traction and buffering material impact; the multi-joint transfer body 3 is connected to the crawler tail buffer device 2 through a pin shaft, and moves with the crawler tail buffer device 2; the adjustable speed drive tensioning and remotely controllable self-locking device 4 is located at the head of the multi-joint transfer system, and is connected to the multi-joint transfer body 3 through a pin shaft, and plays the role of driving the belt to rotate and tighten the belt and remotely controlling and self-locking the multi-joint transfer system; the entire multi-joint transfer system can move forward and backward under the traction of the crawler tail buffer device 2.

[0062] The crawler tail buffer device in the multi-joint transfer system is composed of a hydraulic motor, a crawler chassis assembly, a tail redirecting roller, an upper buffer roller group, a lower flat roller group and a hopper support; the crawler chassis assembly is composed of a driving wheel, a supporting wheel, a guide wheel, a traction wheel and a crawler, and a support frame; the driving wheel is installed on both sides of the front end of the support frame to drive the crawler to rotate; the supporting wheel is installed on both sides of the rear end of the support frame to support the crawler; the guide wheels are evenly distributed on the lower crossbeam of the support frame to guide the crawler when it rotates; the supporting wheel is installed The upper crossbeam of the support frame supports the upper crawler track; the crawler track is wound around the driving wheel and the supporting wheel to form a closed loop; the hydraulic motor is installed on the driving wheel to provide power for the driving wheel; the tail redirecting roller is installed in the middle of the front end of the support frame and fixed by bolts; the upper buffer roller group is installed in the middle of the upper crossbeam of the support frame to buffer the impact of materials; the lower flat roller group is installed in the middle of the lower crossbeam of the support frame to support the lower belt; the receiving hopper bracket is installed on the upper crossbeam of the support frame and fixed by bolts to support the receiving hopper.

[0063] The multi-joint transport body 3 in the multi-joint transport system is composed of several modular joint units hinged by pins, and the modular joint unit is composed of an upper roller group 3-1, a lower flat roller group 3-2, a traveling wheel 3-3 and a joint unit frame 3-4; the upper roller group 3-1 is installed on the cross beam of the joint unit frame and fixed by bolts to carry the tape and materials; the lower flat roller group 3-2 is installed under the cross beam of the joint unit frame and fixed by bolts to carry the lower tape; the traveling wheel 3-3 is installed in the slots at the bottom of both ends of the joint unit frame and fixed by clamps and bolts to support and travel.

[0064] The adjustable speed drive tensioning and remotely controllable self-locking device 4 in the multi-joint transport system consists of an adjustable speed drive tensioning device, a bidirectional support locking device, and an integral frame 4-1. The adjustable speed drive tensioning device is installed on the upper and lower beams of the integral frame 4-1; the bidirectional support locking device is installed in the U-shaped slots on both sides of the integral frame and is fixed by baffles and bolts.

[0065] The adjustable speed drive tensioning device consists of a permanent magnet drive drum 4-2, a tensioning slide 4-3, a wire rope 4-4, a pulley block 4-5, a tensioning cylinder 4-6 and a tensioning cylinder support 4-7; the permanent magnet drive drum 4-2 in the adjustable speed drive tensioning device is installed on the tensioning slide 4-3 and fixed by bolts; the tensioning slide 4-3 is installed on the lower crossbeam of the integral frame 4-1; the tensioning cylinder support 4-7 is installed on the upper crossbeam of the integral frame and fixed by bolts; the tensioning cylinder 4-6 is installed on the tensioning cylinder support; the pulley block 4-5 is installed at one end of the integral frame away from the tensioning cylinder and fixed by bolts; one end of the wire rope 4-4 is fixed to the tensioning slide 4-3 by a rope clamp, and then passes through the pulley block 4-5, and the other end is fixed to the front end of the piston of the tensioning cylinder 4-6 by a rope clamp.

[0066] The bidirectional support locking device is composed of a toothed engagement mechanism 4-8, a support base 4-9, a support cylinder 4-10, and a limit pin 4-11; in the bidirectional support locking device, the support cylinder 4-10 is vertically installed in a U-shaped slot on the integral frame 4-1 and is fixed by a baffle and bolts; the support cylinder is a bidirectional telescopic mechanism, a positioning flange is welded on the cylinder body, and a thread is processed on the end of the piston rod, and the toothed engagement mechanism 4-8 and the support base 4-9 are threadedly connected thereto; the toothed engagement mechanism 4-8 is installed on the upper end of the piston rod of the support cylinder; the support base 4-9 is installed on the bottom of the lower piston rod of the support cylinder; the limit pin 4-11 passes through the openings on the U-shaped card plate and the support cylinder flange at the same time to prevent the support cylinder from rotating.

[0067] The running state of the belt in the multi-joint transfer system is: the belt bypasses the tail redirecting roller on the crawler tail buffer device, passes under the receiving hopper, and enters the upper roller group of the multi-joint transfer body after exiting the crawler tail buffer device. After passing through the multi-joint transfer body, it is wound onto the permanent magnetic drive roller on the adjustable speed drive tensioning device, bypasses the permanent magnetic drive roller and enters the lower flat roller group of the multi-joint transfer body. After exiting the multi-joint transfer body, it reaches the tail redirecting roller on the crawler tail buffer device to form a closed loop.

[0068] The continuous telescopic carrier system is composed of a crawler tractor tail device 5, a segmented wheel rail car 6, an adjustable ground-inserting fuselage 7, a hydraulic belt winding device 8, an adjustable speed belt retracting and releasing and belt storage device 9, and an adjustable speed driving unloading integrated device 10; the crawler tractor tail device 5 is located at the tail of the continuous telescopic carrier system, and plays the role of pulling the segmented wheel rail car forward and backward; the segmented wheel rail car 6 is located in front of the crawler tractor tail device and is connected to the crawler tractor tail device through a pin shaft; the adjustable ground-inserting fuselage 7 is located in the crawler tractor When the tail device of the traction machine moves backward, it is evenly arranged in front of the segmented wheeled rail car 6, and plays the role of carrying the tape and materials; the adjustable speed drive and unloading integrated device 10 is located at the head of the continuous telescopic carrier system, and plays the role of driving the tape to rotate and unloading materials; the adjustable speed belt retracting and storage device 9 is arranged behind the adjustable speed drive and unloading integrated device at the head and is connected by bolts, and plays the role of storing the tape and tightening the tape; the hydraulic tape winding device 8 is arranged behind the adjustable speed belt retracting and storage device, which is convenient for installing and collecting the tape.

[0069] The crawler-type traction machine tail device in the continuous telescopic carrier system consists of two parts: a climbing guide mechanism and a crawler walking mechanism, and the two parts are hinged by a pin shaft.

[0070] The climbing guide mechanism consists of a mobile support wheel 5-1, a slope guide rail 5-2, a support frame I 5-3, and an unequal diameter open guide rail 5-4; the mobile support wheel 5-1 is installed in the slot below the tail of the support frame I 5-3 and fixed with a baffle and bolts; the slope guide rail 5-2 is welded on the top of the support frame I 5-3; the unequal diameter open guide rail 5-4 is installed at the tail of the support frame I 5-3 and is hinged by a pin shaft.

[0071] The crawler walking mechanism consists of a power machine, a crawler device 5-5, a crawler support frame 5-6, an electric roller 5-7, a horizontal guide rail 5-8, and a support frame II 5-9; the crawler device 5-5 is installed at both ends of the crawler support frame 5-6; the crawler support frame 5-6 is welded below the support frame II 5-9; the horizontal guide rail 5-8 is welded above the support frame II; the electric roller 5-7 is installed on the frame on the support frame II and fixed by bolts.

[0072] See also Figure 1-Figure 3A continuous mining and transportation coordinated conveying system, which consists of a multi-joint transfer system and a continuous telescopic carrier system. The multi-joint transfer system is responsible for transferring the raw coal mined by the integrated mining and excavation machine to the continuous telescopic carrier system, and the continuous telescopic carrier system transports the coal to the main roadway belt conveyor and then to the well. The multi-joint transfer system includes a receiving hopper 1, a crawler tail buffer device 2, a multi-joint transfer body 3, and an adjustable speed drive tensioning and remotely controllable self-locking device 4; the continuous telescopic carrier system includes a crawler traction tail device 5, a segmented wheel rail vehicle 6, an adjustable ground insertion body 7, a hydraulic belt winding device 8, an adjustable speed belt retracting and storage device 9, and an adjustable speed drive unloading integrated device 10; the multi-joint transfer system is connected to the continuous telescopic carrier system by riding; the adjustable speed drive tensioning and remotely controllable self-locking device 4 and part of the multi-joint transfer body 3 in the multi-joint transfer system are always in the load-bearing track of the segmented wheel rail vehicle 6 in the continuous telescopic carrier system.

[0073] In the multi-joint transfer system, the receiving hopper 1 is installed on the crawler tail buffer device 2, which plays the role of storing and guiding materials; the crawler tail buffer device 2 is located at the tail of the multi-joint transfer system, and can tow the transfer system as a whole to move, while reducing the impact of materials and reducing the damage to the belt; the multi-joint transfer body 3 is connected to the crawler tail buffer device 2 through a pin shaft, and moves with the crawler tail buffer device 2; the adjustable speed drive tensioning and remotely controllable self-locking device 4 is located at the head of the transfer system, and is connected to the multi-joint transfer body 3 through a pin shaft, which plays the role of driving the belt to rotate and tightening the belt; the entire transfer system can move forward and backward under the traction of the crawler tail buffer device 2.

[0074] In the continuous telescopic carrier system, the crawler tractor tail device 5 is located at the tail of the system, and plays the role of pulling the segmented wheel rail car 6 forward and backward; the segmented wheel rail car 6 is located in front of the crawler tractor tail device 5 and is connected to the crawler tractor tail device 5 through a pin shaft; the adjustable ground-inserting fuselage 7 is evenly arranged in front of the segmented wheel rail car 6 when the crawler tractor tail device 5 moves backward, and plays the role of carrying the tape and materials; the adjustable speed drive and unloading integrated device 10 is located at the head of the continuous telescopic carrier system, and plays the role of driving the tape to rotate and unloading materials; the adjustable speed retractable belt and storage device 9 is arranged behind the adjustable speed drive and unloading integrated device 10 and is connected by bolts, and plays the role of storing and tightening the tape; the hydraulic tape winding device 8 is arranged behind the adjustable speed retractable belt and storage device 9, which is convenient for installing and collecting the tape.

[0075] See also Figure 4In the multi-joint transport system, the multi-joint transport body 3 is composed of several modular joint units hinged by pins, and the modular joint unit is composed of an upper roller group 3-1, a lower flat roller group 3-2, a walking wheel 3-3, and a joint unit frame 3-4; the upper roller group 3-1 is installed on the cross beam of the joint unit frame 3-4 and fixed by bolts to carry the tape and materials; the lower flat roller group 3-2 is installed under the cross beam of the joint unit frame 3-4 and fixed by bolts to carry the lower tape; the walking wheel 3-3 is installed in the slots at the bottom of both ends of the joint unit frame 3-4 and fixed by clamps and bolts to support and travel.

[0076] See also Figure 5 , Fig.19 The adjustable speed drive tensioning and remotely controllable self-locking device 4 in the multi-joint transport system is composed of an adjustable speed drive tensioning device, a bidirectional support locking device, and an integral frame 4-1. The adjustable speed drive tensioning device and the bidirectional support locking device are both installed at corresponding positions of the integral frame 4-1.

[0077] The adjustable speed drive tensioning device is composed of a permanent magnet drive drum 4-2, a tensioning slide 4-3, a wire rope 4-4, a pulley block 4-5, a tensioning cylinder 4-6, and a tensioning cylinder support 4-7; the permanent magnet drive drum 4-2 in the adjustable speed drive tensioning device is installed on the tensioning slide 4-3 and fixed by bolts; the tensioning slide 4-3 is installed on the lower crossbeam of the integral frame 4-1; the tensioning cylinder support 4-7 is installed on the upper crossbeam of the integral frame 4-1 and fixed by bolts; the tensioning cylinder 4-6 is installed on the tensioning cylinder support 4-7; the pulley block 4-5 is installed on the end of the integral frame 4-1 away from the tensioning cylinder 4-6 and fixed by bolts; one end of the wire rope 4-4 is fixed to the tensioning slide 4-3 by a rope clamp, and then passes through the pulley block 4-5, and the other end is fixed to the front end of the tensioning cylinder 4-6 by a rope clamp.

[0078] The working principle of the adjustable speed drive tensioning device is as follows: when the hydraulic oil is injected into the tensioning cylinder, the piston rod retracts backward, and the steel wire rope fixed at the front end of the piston rod is tightened accordingly. After the steel wire rope passes through the pulley block, the other end is fixed on the tensioning slide, thereby pulling the tensioning slide to move, and the permanent magnetic drive roller is fixed on the tensioning slide and moves together, thereby achieving the purpose of belt tensioning. The hydraulic tensioning commonly used in the prior art is achieved by tightening a redirecting roller through a separately set redirecting roller, and the entire belt is tightened by tightening the redirecting roller. The present invention directly tightens the drive roller, reducing the number of rollers of the entire belt conveyor and reducing the equipment layout space.

[0079] The bidirectional support locking device is composed of a toothed engagement mechanism 4-8, a support base 4-9, a support cylinder 4-10, and a limit pin 4-11; in the bidirectional support locking device, the support cylinder 4-10 is vertically installed in a U-shaped slot on the integral frame 4-1 and is fixed by a baffle and bolts; the support cylinder 4-10 is a bidirectional telescopic mechanism, a positioning flange is welded on the cylinder body, and a thread is processed on the end of the piston rod; the toothed engagement mechanism 4-8 is installed on the upper end of the support cylinder 4-10; the support base 4-9 is installed on the bottom of the support cylinder 4-10; the limit pin 4-11 passes through the openings on the U-shaped card plate and the flange of the support cylinder 4-10 at the same time to prevent the support cylinder from rotating.

[0080] The working state of the two-way support locking device is: the support cylinder in the two-way support locking device is a two-way retractable hydraulic cylinder. When the adjustable speed drive tension and remote control self-locking device need to move, the support cylinder is in a retracted state (see Fig.19 Left picture); when it moves to the set position, the upper and lower piston rods of the support cylinder extend upward and downward respectively, so that the toothed engagement mechanism installed at the end of the upper piston rod is tightly embedded in the top of the tunnel; the support base installed at the bottom of the lower piston rod stands tightly on the tunnel ground, achieving the purpose of tightening the adjustable speed drive and fixing the remotely controlled self-locking device (see Fig.19 right).

[0081] See also Figure 6 The crawler traction machine tail device 5 in the continuous telescopic carrier system is composed of two parts: a climbing guide mechanism and a crawler walking mechanism, and the two parts are hinged by a pin shaft.

[0082] The climbing guide mechanism consists of a mobile support wheel 5-1, a slope guide rail 5-2, a support frame I 5-3, and an unequal diameter open guide rail 5-4; the mobile support wheel 5-1 is installed in the slot below the tail of the support frame I 5-3 and fixed with a baffle and bolts; the slope guide rail 5-2 is welded on the top of the support frame I 5-3; the unequal diameter open guide rail 5-4 is installed at the tail of the support frame I 5-3 and is hinged by a pin shaft.

[0083] The crawler walking mechanism consists of a crawler device 5-5, a crawler support frame 5-6, an electric roller 5-7, a horizontal guide rail 5-8, and a support frame II 5-9; the crawler device 5-5 is installed at both ends of the crawler support frame 5-6; the crawler support frame 5-6 is welded to the bottom of the support frame II 5-9; the horizontal guide rail 5-8 is welded to the top of the support frame II 5-9; the electric roller 5-7 is installed on the frame on the support frame II 5-9 and fixed by bolts.

[0084] See also Figure 7-Figure 10The segmented wheeled rail vehicle 6 in the continuous telescopic carrier system includes a load-bearing rail 6-1, a load-bearing beam 6-2, a rail vehicle running wheel 6-5, an upper roller group 6-4 of the rail vehicle, a lower roller 6-3, an upper roller frame lap beam 6-6, a lower roller frame lap beam 6-7 and a connecting cross beam 6-10; the lower roller frame lap beam 6-7, the load-bearing beam 6-2 and the load-bearing rail 6-1 are welded to form a single-side frame, and the single-side frame is parallelly welded through the connecting cross beam 6-10 to form an integral frame in an inverted trapezoidal shape; the load-bearing rail on the top of the single-side frame provides a load limit for the multi-joint transport body and the adjustable speed drive tension and remotely controlled self-locking device in the multi-joint transport system to travel and move. The upper roller frame lap beam 6-6 is welded on the inner side of the single-sided frame, and the upper roller frame lap beam 6-6 is placed horizontally and parallel to the lower roller frame lap beam 6-7 and the bearing rail 6-1. The upper roller frame lap beam 6-6 is connected to the upper roller frame 6-9 by bolts, and the upper roller group 6-4 of the rail vehicle is installed on the upper roller frame 6-9; the lower roller frame 6-8 is connected through the groove in the lower roller frame lap beam 6-7, and the lower roller 6-3 is installed on the lower roller frame; the rail vehicle running wheel 6-5 is connected to the lower roller frame lap beam 6-7 of the single-sided frame through the wheel bearing, and the rail vehicle running wheel 6-7 is installed in the groove and fixed by a clamping plate and bolts.

[0085] The load-bearing beam 6-2 is welded by three steel pieces which are symmetrical at 45 degrees on the left and right and vertical in the middle, and is V-shaped as a whole.

[0086] The connection length of the segmented wheeled rail vehicle 6 can be adjusted by increasing or decreasing the number of vehicle bodies. The segments are connected by pins, and there is an appropriate amount of spacing at the connection to ensure that the connection angle of the two segmented wheeled rail vehicles can be adjusted within a certain range.

[0087] See also Fig.11 The adjustable ground-inserting body 7 in the continuous telescopic carrier system is composed of an adjustable leg 7-1, a hanging upper roller group 7-2, a lower V-shaped roller group 7-3 and a sleeve rod 7-4; the adjustable leg 7-1 is provided with a sleeve rod 7-4, and the sleeve rod 7-4 is provided with adjustment holes, and the height of the adjustable leg 7-1 can be adjusted through the adjustment holes; both ends of the hanging upper roller group 7-2 are provided with hooks, which are suspended on the annular frame of the sleeve rod 7-4; the lower V-shaped roller group 7-3 is fixed to the sleeve rod 7-4 through a pin.

[0088] The adjustable ground-inserting body is manually opened. When the tail device of the crawler tractor pulls the segmented wheeled rail vehicle to move a certain distance, the adjustable ground-inserting body needs to be installed at the back. During installation, a mounting hole is first drilled on the bottom surface of the tunnel, and then the bottom of the adjustable ground-inserting body is inserted into the mounting hole.

[0089] See also Figure 12-Figure 14The speed-adjustable belt retracting and releasing and belt storage device in the continuous telescopic carrier system consists of a belt storage side column 9-13, a hydraulic winch 9-1, a redirecting roller I 9-2, a tensioning trolley 9-3, a belt storage unit, a belt storage redirecting frame 9-8 and a redirecting roller II 9-10; the hydraulic winch 9-1 is fixed on the belt storage side column 9-13, the hydraulic winch is connected to the tensioning trolley 9-3 through a steel wire rope, the redirecting roller I 9-2 is fixedly installed on the tensioning trolley 9-3 by bolts, and the redirecting roller II 9-10 is fixedly installed on the belt storage redirecting frame 9-8; the belt storage redirecting frame 9-8 is connected to the belt storage unit.

[0090] The belt storage unit is composed of a towing trolley 9-4, a belt storage intermediate frame 9-5, a belt storage center column 9-6, a track beam 9-7, a sealing roller 9-9, an anti-rail-dropping device 9-11 and a limit device 9-12; the belt storage redirecting frame 9-8 is connected to the belt storage intermediate frame 9-5 of the belt storage unit, and the left end of the belt storage redirecting frame is supported by the belt storage center column 9-6; the belt storage intermediate frame 9-5 is fixedly connected to the belt storage center column 9-6, and the track beam 9-7 is fixed to the belt storage center column 9-6 by bolts; there is a towing trolley 9-4 on the belt storage unit, and a plurality of groups of sealing rollers 9-9 are provided on the towing trolley, which is tilted at 45° on the track beam 9-7, and the towing trolleys are connected by chains, and the two ends of the chain are respectively connected to the tensioning trolley 9-3 and the belt storage redirecting frame 9-8.

[0091] The belt storage unit has several groups, which are connected in sections by bolts.

[0092] The towing trolley is also provided with a limit device 9-12, which is welded on both sides of the towing trolley 9-4 to prevent the distance between the two groups of towing trolleys from being too close and the rollers from interfering with each other; the towing trolley 9-4 is also provided with an anti-dropping device 9-11, which is installed at the bottom of the towing trolley and connected by bolts to prevent the wheels of the towing trolley from falling off the track.

[0093] The hydraulic winch in the adjustable speed belt retracting and storage device tightens the belt by tightening the towing trolley with a steel wire rope to achieve the function of tightening the belt and reducing or increasing the storage length. When the hydraulic winch rotates to tighten the steel wire rope, the towing trolley moves toward the hydraulic winch. When it is closest to the hydraulic winch, the storage length reaches the longest. As the tail of the machine extends, the towing trolley continues to move away from the hydraulic winch, and the storage length is shortened. During this process, the running belt always passes through this device.

[0094] The hydraulic tape winding device 8 in the continuous telescopic carrier system is composed of a hydraulic motor, a tape winding shaft, a tape winding bracket, a rotating body, a chassis, a hydraulic tape winding anti-deviation device, a hydraulic cylinder I, and a hydraulic cylinder II; the hydraulic motor is installed on the tape winding bracket and fixed by bolts, and plays a role in driving the tape winding shaft to rotate; one end of the tape winding shaft is inserted into the shaft hole of the tape winding bracket, and the other end is connected to the hydraulic motor by bolts for winding the tape; the tape winding bracket is installed on the rotating body and fixed by bolts; the rotating body is inserted into the vertical axis of the chassis to ensure flexible rotation; the hydraulic tape winding anti-deviation device is installed on the tape winding bracket and connected by a pin shaft to prevent the tape from deviating; one end of the hydraulic cylinder I is installed on the chassis and fixed by a pin shaft, and the other end is installed on the rotating body and fixed by a pin shaft, which plays a role in pulling the rotating body to rotate; one end of the hydraulic cylinder II is installed on the rotating body and fixed by a pin shaft, and the other end is installed on the tape winding bracket and fixed by a pin shaft, which plays a role in supporting the tape winding bracket to move up and down.

[0095] The adjustable speed driven unloading integrated device 10 in the continuous telescopic carrier system is composed of a permanent magnet drive roller, a redirecting roller, a surface increasing roller, an unloading roller, an integrated frame, and an upper roller group; the permanent magnet drive roller is installed on the inclined beam of the integrated frame and fixed by bolts to drive the belt to rotate; the redirecting roller is installed on the rear end vertical beam of the integrated frame and fixed by bolts; the surface increasing roller is installed on the front end vertical beam of the integrated frame and fixed by bolts to increase the belt wrap angle; the unloading frame is installed at the front end of the extended frame of the integrated frame and fixed by bolts; the upper roller group is evenly distributed on the upper crossbeam of the integrated frame and fixed by bolts to carry the upper belt and materials.

[0096] The adjustable speed drive unloading integrated device has the same structure as the traditional extended unloading frame of the chute belt conveyor, but the difference is that the present application uses an electric roller as the unloading roller, which plays the role of driving the belt to rotate and is also used as the unloading roller. The speed can be adjusted because the electric roller adopts variable frequency drive, and the speed of the electric roller is changed by changing the frequency, thereby adjusting the running speed of the belt conveyor.

[0097] The belt is running in the continuous telescopic carrier system: the crawler traction tail device, the segmented wheel rail car, the adjustable ground-inserted fuselage, the adjustable speed belt retracting and storage device and the adjustable speed drive unloading integrated device are interconnected through the belt. The hydraulic belt reel device is an independent part and is only used when the belt needs to be extended or shortened. It is usually just placed aside for use. The belt passes around the tail redirecting roller (i.e., electric roller 5-7) on the tail device of the crawler tractor and is laid on the upper roller group of the segmented wheel rail car, enters the upper roller group of the adjustable ground-inserting fuselage, and then reaches the head unloading roller of the adjustable speed drive unloading integrated frame, passes around the head drive unloading roller, enters the permanent magnet drive roller and the redirecting roller on the adjustable speed drive unloading integrated frame, and then enters the adjustable speed belt retracting and storage device, passes through the redirecting roller and the towing frame, and then enters the lower flat roller group of the adjustable ground-inserting fuselage, and then enters the lower flat roller group of the segmented wheel rail car, and finally reaches the tail redirecting roller on the tail device of the crawler tractor to form a closed loop.

[0098] The connection method of the present invention with other equipment is as follows: the multi-joint transport system crawler tail buffer device 2 follows closely behind the mining machine, the receiving hopper 1 is located below the mining machine to receive the raw coal mined by the mining machine, the multi-joint transport system adjustable speed drive tensioning and remotely controllable self-locking device 4 and most of the multi-joint transport body 3 are connected with the continuous telescopic carrier system segmented wheel rail vehicle 6, and the continuous telescopic carrier system crawler traction tail device 5 is as close as possible to the multi-joint transport system crawler tail buffer device 2 to obtain the maximum overlap length. The continuous telescopic carrier system adjustable speed drive unloading integrated device 10 is connected with the main roadway belt conveyor.

[0099] When in use, first start the main tunnel belt conveyor, then the continuous telescopic carrier system, then the multi-joint transfer system, and finally the mining machine. The mined raw coal falls into the receiving hopper 1, passes through the crawler-type tail buffer device 2, falls on the belt and is transported to the head adjustable speed drive tensioning and remotely controlled self-locking device 4. The raw coal is unloaded here onto the segmented wheeled rail car 6 of the continuous telescopic carrier system, and is transported to the head adjustable speed drive unloading integrated device 10 via the belt, and then unloaded onto the main tunnel belt conveyor and transported to the well. When the mining distance of the mining machine exceeds the range of the receiving hopper 1, the crawler on the crawler-type tail buffer device 2 of the multi-joint transfer system is started to move toward the mining machine. Under the traction of the crawler-type tail buffer device 2, the entire transfer system approaches the mining machine. At this time, the overlapping part with the continuous telescopic carrier system is shortened. When it moves to the set position, the crawler can be closed. As the mining machine continues to extend, the overlapping part between the multi-joint transfer body 3 of the multi-joint transfer system and the continuous telescopic carrier system is gradually shortened. When the multi-joint transfer body 3 is completely separated from the segmented wheeled rail vehicle 6, the crawler-type traction tail device 5 of the continuous telescopic carrier system is started to pull the segmented wheeled rail vehicle 6 forward to increase the overlapping length between the multi-joint transfer system and the continuous telescopic carrier system. As the crawler-type traction tail device 5 of the continuous telescopic carrier system moves forward, the adjustable ground-inserting body 7 is evenly arranged behind the segmented wheeled rail vehicle 6 to carry the tape.

Claims

1. A continuous mining and transportation coordinated conveying system, characterized in that: It consists of a multi-joint transfer system with a crawler-type tail buffer device traction and a continuous telescopic carrier system with a crawler-type traction tail device traction; the multi-joint transfer system is connected with the continuous telescopic carrier system by riding, and the adjustable speed drive tension and remotely controlled self-locking device and part of the multi-joint transfer fuselage in the multi-joint transfer system are always in the bearing track of the segmented wheel rail vehicle in the continuous telescopic carrier system; the crawler-type traction tail device is at the tail of the continuous telescopic carrier system, and plays the role of traction of the segmented wheel rail vehicle to move forward and backward; The continuous telescopic carrier system is composed of a crawler tractor tail device, a segmented wheel rail car, an adjustable ground-inserting fuselage, a hydraulic belt winding device, an adjustable speed belt retracting and unloading and storage device, and an adjustable speed driving and unloading integrated device; the segmented wheel rail car is located in front of the crawler tractor tail device and is connected to the crawler tractor tail device through a pin shaft; the adjustable ground-inserting fuselage is evenly arranged in front of the segmented wheel rail car when the crawler tractor tail device moves backward, and plays the role of carrying the tape and materials; the adjustable speed driving and unloading integrated device is located at the head of the continuous telescopic carrier system, and plays the role of driving the tape to rotate and unloading materials; the adjustable speed belt retracting and unloading and storage device are arranged behind the adjustable speed driving and unloading integrated device at the head and are connected by bolts, and play the role of storing and tightening the tape; the hydraulic belt winding device is arranged behind the adjustable speed belt retracting and unloading and storage device, which is convenient for installing and collecting the tape; The crawler-type traction machine tail device in the continuous telescopic carrier system is composed of two parts: a climbing guide mechanism and a crawler walking mechanism, and the two parts are hinged by a pin shaft; The climbing guide mechanism is composed of a mobile support wheel, a ramp guide rail, a support frame I, and an unequal diameter open guide rail; the mobile support wheel is installed in a slot below the tail of the support frame I and fixed with a baffle and bolts; the ramp guide rail is welded above the support frame I; the unequal diameter open guide rail is installed at the tail of the support frame I and is hinged by a pin shaft; The crawler walking mechanism consists of a hydraulic motor, a crawler device, a crawler support frame, an electric roller, a horizontal guide rail, and a support frame II; the crawler device is installed at both ends of the crawler support frame; the crawler support frame is welded below the support frame II; the horizontal guide rail is welded above the support frame II; the electric roller is installed on the frame on the support frame II and fixed by bolts.

2. The continuous mining and transportation coordinated conveying system according to claim 1 is characterized by: The multi-joint transfer system consists of a receiving hopper, a crawler tail buffer device, a multi-joint transfer body and an adjustable speed drive tensioning and remotely controlled self-locking device; the receiving hopper is installed on the crawler tail buffer device, and plays the role of material storage and guiding; the crawler tail buffer device is located at the tail of the multi-joint transfer system, and plays the role of traction and buffering material impact; the multi-joint transfer body is connected to the crawler tail buffer device through a pin shaft, and moves with the crawler tail buffer device; the adjustable speed drive tensioning and remotely controlled self-locking device is located at the head of the multi-joint transfer system, and is connected to the multi-joint transfer body through a pin shaft, and plays the role of driving the belt to rotate and tighten the belt and remotely controlling and self-locking the multi-joint transfer system; the entire multi-joint transfer system can move forward and backward under the traction of the crawler tail buffer device.

3. The continuous mining and transportation coordinated conveying system according to claim 1 or 2, characterized in that: The crawler tail buffer device in the multi-joint transfer system is composed of a hydraulic motor, a crawler chassis assembly, a tail redirecting roller, an upper buffer roller group, a lower flat roller group and a hopper support; the crawler chassis assembly is composed of a driving wheel, a supporting wheel, a guide wheel, a traction wheel and a crawler, and a support frame; the driving wheel is installed on both sides of the front end of the support frame to drive the crawler to rotate; the supporting wheel is installed on both sides of the rear end of the support frame to support the crawler; the guide wheels are evenly distributed on the lower crossbeam of the support frame to guide the crawler when it rotates; the supporting wheel is installed The upper crossbeam of the support frame supports the upper crawler track; the crawler track is wound around the driving wheel and the supporting wheel to form a closed loop; the hydraulic motor is installed on the driving wheel to provide power for the driving wheel; the tail redirecting roller is installed in the middle of the front end of the support frame and fixed by bolts; the upper buffer roller group is installed in the middle of the upper crossbeam of the support frame to buffer the impact of materials; the lower flat roller group is installed in the middle of the lower crossbeam of the support frame to support the lower belt; the receiving hopper bracket is installed on the upper crossbeam of the support frame and fixed by bolts to support the receiving hopper.

4. The continuous mining and transportation coordinated conveying system according to claim 1 or 2, characterized in that: The multi-joint transport body in the multi-joint transport system is composed of several modular joint units hinged by pins. The modular joint unit is composed of an upper roller group, a lower flat roller group, a traveling wheel and a joint unit frame. The upper roller group is installed on the cross beam of the joint unit frame and fixed by bolts to carry the tape and materials. The lower flat roller group is installed under the cross beam of the joint unit frame and fixed by bolts to carry the lower tape. The traveling wheels are installed in the slots at the bottom of both ends of the joint unit frame and fixed by clamps and bolts to support and travel.

5. The continuous mining and transportation coordinated conveying system according to claim 1 or 2, characterized in that: The adjustable speed drive tensioning and remotely controlled self-locking device in the multi-joint transfer system consists of an adjustable speed drive tensioning device, a two-way support locking device, and an integral frame. The adjustable speed drive tensioning device is installed on the upper and lower beams of the integral frame; the two-way support locking device is installed in the U-shaped slots on both sides of the integral frame and fixed by baffles and bolts.

6. The continuous mining and transportation coordinated conveying system according to claim 5 is characterized by: The adjustable speed drive tensioning device consists of a permanent magnet drive drum, a tensioning slide, a wire rope, a pulley block, a tensioning cylinder and a tensioning cylinder support; the permanent magnet drive drum in the adjustable speed drive tensioning device is installed on the tensioning slide and fixed by bolts; the tensioning slide is installed on the lower crossbeam of the integral frame; the tensioning cylinder support is installed on the upper crossbeam of the integral frame and fixed by bolts; the tensioning cylinder is installed on the tensioning cylinder support; the pulley block is installed on the end of the integral frame away from the tensioning cylinder and fixed by bolts; one end of the wire rope is fixed to the tensioning slide by a rope clamp, and then passes through the pulley block, and the other end is fixed to the front end of the piston of the tensioning cylinder by a rope clamp.

7. The continuous mining and transportation coordinated conveying system according to claim 5, characterized in that: The two-way support locking device consists of a toothed engagement mechanism, a support base, a support cylinder, and a limit pin; in the two-way support locking device, the support cylinder is vertically installed in a U-shaped slot on the integral frame and is fixed by a baffle and bolts; the support cylinder is a two-way retractable mechanism, a positioning flange is welded on the cylinder body, and a thread is processed on the end of the piston rod, and the toothed engagement mechanism and the support base are threadedly connected to it; the toothed engagement mechanism is installed on the upper end of the piston rod of the support cylinder; the support base is installed on the bottom of the lower piston rod of the support cylinder; the limit pin passes through the openings on the U-shaped card plate and the support cylinder flange at the same time to prevent the support cylinder from rotating.

8. The continuous mining and transportation coordinated conveying system according to claim 1 is characterized by: The segmented wheeled rail vehicle in the continuous telescopic carrier system includes a load-bearing rail, a load-bearing frame, a rail vehicle running wheel, an upper roller group of the rail vehicle, a lower roller, an upper roller frame lap beam, a lower roller frame lap beam and a connecting cross beam; the lower roller frame lap beam, the load-bearing beam and the load-bearing rail are welded to form a single-side frame, and the single-side frame is parallelly welded through the connecting cross beam to form an integral frame in an inverted trapezoidal shape; the load-bearing rail on the top of the single-side frame provides a load limit for the multi-joint transfer body and the adjustable speed drive tension and remotely controlled self-locking device in the multi-joint transfer system. An upper roller frame lap beam is welded on the inner side of the single-sided frame, wherein the upper roller frame lap beam and the lower roller frame lap beam are placed horizontally and parallel to the load-bearing track, the upper roller frame lap beam is connected to the upper roller frame by bolts, and the upper roller group is installed on the upper roller frame lap beam; the lower roller frame is connected by the groove in the lower roller frame lap beam, and the lower roller is installed on the lower roller frame; the rail vehicle running wheels are connected to the lower roller frame lap beam of the single-sided frame through wheel bearings, and the rail vehicle running wheels are installed in the grooves and fixed by clamping plates and bolts.

9. The continuous mining and transportation coordinated conveying system according to claim 8, characterized in that: The load-bearing beam is formed by welding three steel pieces which are symmetrical at 45 degrees on both sides and vertical in the middle, and the whole is V-shaped.

10. The continuous mining and transportation coordinated conveying system according to claim 8, characterized in that: The connection length of the segmented wheeled rail vehicle can be adjusted by increasing or decreasing the number of vehicle bodies, and the segments are connected by pins, and there is an appropriate amount of spacing at the connection points to ensure that the connection angle of the two segmented wheeled rail vehicles can be adjusted within a certain range.

11. The continuous mining and transportation coordinated conveying system according to claim 1, characterized in that: The adjustable ground-inserting body in the continuous telescopic carrier system is composed of adjustable legs, sleeve rods, a hanging upper roller group, and a lower V-shaped roller group; the sleeve rods are installed on the upper part of the adjustable legs, and adjustment holes are arranged on the sleeve rods, and the height of the adjustable legs can be adjusted through the adjustment holes; there are hooks at both ends of the hanging upper roller group, which is suspended on the ring frame of the adjustable legs; the lower V-shaped roller group is fixed to the adjustable legs through pins.

12. The continuous mining and transportation coordinated conveying system according to claim 1, characterized in that: The speed-adjustable belt retracting and releasing and belt storage device in the continuous telescopic carrier system consists of belt storage side columns, a hydraulic winch, a redirecting roller I, a tensioning trolley, a belt storage unit, a belt storage redirecting frame and a redirecting roller II; the hydraulic winch is fixed on the belt storage side columns, the hydraulic winch is connected to the tensioning trolley through a wire rope, the redirecting roller I is fixedly installed on the tensioning trolley through bolts, and the redirecting roller II is fixedly installed on the belt storage redirecting frame; the belt storage redirecting frame is connected to the belt storage unit.

13. The continuous mining and transportation coordinated conveying system according to claim 12, characterized in that: The belt storage unit is composed of a towing trolley, a belt storage intermediate frame, a belt storage center column, a track beam, sealing rollers, an anti-rail-dropping device and a limit device; the belt storage redirecting frame is connected to the belt storage intermediate frame of the belt storage unit, and the left end of the belt storage redirecting frame is supported by the belt storage center column; the belt storage intermediate frame is fixedly connected to the belt storage center column, and the track beam is fixed to the belt storage center column by bolts; there is a towing trolley on the belt storage unit, and the towing trolley is provided with several groups of sealing rollers. The towing trolley is tilted at 45° on the track beam, and the towing trolleys are connected by chains, and the two ends of the chain are respectively connected to the tensioning trolley and the belt storage redirecting frame.

14. The continuous mining and transportation coordinated conveying system according to claim 13, characterized in that: The belt storage unit has several groups, which are connected in sections by bolts.

15. The continuous mining and transportation coordinated conveying system according to claim 14, characterized in that: The towing trolley is also equipped with a limit device, which is welded on both sides of the towing trolley to prevent the distance between the two sets of trolleys from being too close and the rollers from interfering with each other. The trolley is also equipped with an anti-rail-off device, which is installed at the bottom of the trolley and connected by bolts to prevent the wheels of the trolley from falling off the track.

16. The continuous mining and transportation coordinated conveying system according to claim 1, characterized in that: The hydraulic tape winding device in the continuous telescopic carrier system is composed of a hydraulic motor, a tape winding shaft, a tape winding bracket, a rotating body, a chassis, a hydraulic tape winding anti-deviation device, a hydraulic cylinder I, and a hydraulic cylinder II; the hydraulic motor is installed on the tape winding bracket and fixed by bolts, and plays a role in driving the tape winding shaft to rotate; one end of the tape winding shaft is inserted into the shaft hole of the tape winding bracket, and the other end is connected to the hydraulic motor by bolts to wind the tape; the tape winding bracket is installed on the rotating body and fixed by bolts; the rotating body is inserted into the vertical axis of the chassis to ensure flexible rotation; the hydraulic tape winding anti-deviation device is installed on the tape winding bracket and connected by a pin shaft to prevent the tape from deviating; one end of the hydraulic cylinder I is installed on the chassis and fixed by a pin shaft, and the other end is installed on the rotating body and fixed by a pin shaft, and plays a role in pulling the rotating body to rotate; one end of the hydraulic cylinder II is installed on the rotating body and fixed by a pin shaft, and the other end is installed on the tape winding bracket and fixed by a pin shaft, and plays a role in supporting the tape winding bracket to move up and down.

17. The continuous mining and transportation coordinated conveying system according to claim 1, characterized in that: The adjustable speed drive unloading integrated device in the continuous telescopic carrier system consists of a permanent magnetic drive roller, a redirection roller, a surface increasing roller, an unloading roller, an integrated frame, and an upper roller group; the permanent magnetic drive roller is installed on the inclined beam of the integrated frame and fixed by bolts to drive the belt to rotate; the redirection roller is installed on the rear end vertical beam of the integrated frame and fixed by bolts; the surface increasing roller is installed on the front end vertical beam of the integrated frame and fixed by bolts to increase the belt wrap angle; The unloading frame is installed on the front end of the extended frame of the integrated frame and fixed by bolts; the upper roller group is evenly distributed on the upper crossbeam of the integrated frame and fixed by bolts to carry the upper belt and materials.

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