Tunneling roadway transportation system

Abstract

The invention discloses a tunneling roadway transportation system, which comprises a transshipment crusher, a belt transshipment machine, a heavy multi-track machine tail and a belt picking mechanism, during working, a tunneling and anchoring all-in-one machine cuts coal through a cutting device of the tunneling and anchoring all-in-one machine, and the cut coal is transported backwards. The digging and anchoring all-in-one machine unloads coal into the receiving hopper of the transshipment crusher, the receiving hopper is connected with the scraper chain, the scraper chain passes through the crushing device in the backward transportation process, and the crushing device crushes large coal through a crushing disc and then transports the large coal backwards. The belt type reversed loader frame falls on a rail of the heavy multi-crawler tail, the foremost end of the belt type reversed loader is the tail part of the belt type reversed loader, the tail part of the belt type reversed loader can be connected with front equipment in a hinged mode and move along with the front equipment, coal of a reversed loader crusher can be unloaded in the tail part of the belt type reversed loader to be conveyed backwards, and when the coal is conveyed to the tail end of the belt type reversed loader, the coal is conveyed to the tail end of the belt type reversed loader. Materials are unloaded to the conveying belt in the heavy multi-track machine tail, and the tunneling operation efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of coal mine excavation equipment and its peripheral supporting facilities, and in particular to an excavation tunnel transportation system. Background Art

[0002] The coal mine tunneling and transportation system is an important part of coal mine production, which involves multiple links such as coal mine tunneling, support and transportation.

[0003] At present, the domestic coal mine excavation tunnel transportation system generally adopts a bridge-type transfer machine and a belt conveyor with a walking self-moving tail overlapped. Under the geological conditions of low tunnel height and large tunnel undulations, the overlapping distance is limited. During the tunnel excavation production operation, the ordinary tail extension speed is slow, which affects the efficiency of the excavation equipment. Summary of the invention

[0004] The purpose of the present invention is to provide a tunnel excavation transportation system to solve the problems existing in the above-mentioned related technologies, so that the tunnel excavation transportation system can quickly move the tail of the machine, realize continuous loading of the transfer machine, improve the transportation efficiency of the tunnel excavation transportation system, and thus ensure the excavation work efficiency of the excavation equipment.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides a tunneling transportation system, comprising:

[0007] A transfer crusher, which can receive the materials cut by the anchor-digger, crush the materials and transfer them;

[0008] A belt transfer machine, which can be connected to the transfer crusher and convey the materials conveyed by the transfer crusher;

[0009] A heavy-duty multi-track tail, which can support a conveyor belt and a belt rack, wherein the belt rack is used to support and tension the conveyor belt, and the end of the belt transfer machine away from the transfer crusher is overlapped on the heavy-duty multi-track tail, and the belt transfer machine can transfer materials to the conveyor belt to realize material transportation;

[0010] The belt lifting mechanism is located at one end of the heavy-duty multi-crawler tail away from the belt transfer machine. The belt lifting mechanism can prop up the conveyor belt to facilitate the installation of the belt rack.

[0011] Preferably, the heavy-duty multi-track tail includes:

[0012] A tail frame unit, the tail frame unit comprising a redirecting tail frame body and a redirecting roller rotatably arranged on the redirecting tail frame body, the redirecting roller being capable of supporting the conveying belt and changing the running direction of the conveying belt;

[0013] A support transition unit, the support transition unit comprises a transition frame and a roller group and a buffer bed device arranged on the transition frame, the roller group and the buffer bed device can support the conveyor belt and buffer the impact force on the conveyor belt; the transition frame is hinged with the redirecting tail frame; the support transition unit also includes a driving crawler part, the driving crawler part is arranged on both sides of the transition frame, and can drive the support transition unit to move;

[0014] An articulated transition unit, the articulated transition unit comprises a first articulated frame and a second articulated frame, the first articulated frame is articulated with the second articulated frame, the first articulated frame and the second articulated frame are both provided with the roller group and the buffer bed device to support the conveyor belt; the support transition unit and the articulated transition unit correspond one to one, when multiple groups of the support transition units and the articulated transition units are provided, the first articulated frame is articulated with the transition frame of the previous group of the support transition units, and the second articulated frame is articulated with the transition frame of the next group of the support transition units;

[0015] A sliding shoe unit, the sliding shoe unit comprising a sliding shoe frame and a guide sliding shoe arranged on the sliding shoe frame, the sliding shoe frame being hingedly connected to the second hinge frame of the last group of the hinge transition units;

[0016] A power unit is arranged on the sliding shoe frame, and is used to provide operating power for the tail frame unit, the support transition unit, the articulated transition unit and the sliding shoe unit.

[0017] Preferably, the tail frame unit also includes a roller adjusting cylinder, a floating coal cleaner and a belt cleaner. The redirecting roller is connected to the redirecting tail frame body by means of the roller adjusting cylinder to adjust the relative position of the redirecting roller and the redirecting tail frame body to tension the conveying belt; along the movement direction of the conveying belt, the floating coal cleaner is arranged behind the redirecting roller to clean up spilled materials, and the belt cleaner is located in front of the redirecting roller to clean up materials on the conveying belt.

[0018] Preferably, the driving track portion includes a track frame, a power element, a track sprocket and a walking track, the track frame is connected to the transition frame, the power element is arranged on the track frame, and the output end of the power element is transmission-connected to the track sprocket, the track sprocket is rotatably arranged on the track frame, and the track sprocket can tension the walking track to drive the walking track to move.

[0019] Preferably, the supporting transition unit also includes a lifting and adjusting mechanism, which includes a lifting support seat, an adjusting sliding seat and an adjusting base. The lifting support seats are in two groups and are respectively connected to both sides of the width direction of the transition frame. A lifting cylinder is arranged in the lifting support seat, and the movable end of the lifting cylinder is connected to the adjusting sliding seat. The adjusting sliding seat can be slidably arranged on the adjusting base, and the sliding direction of the adjusting sliding seat is parallel to the width direction of the transition frame. The adjusting sliding seat is connected to the adjusting cylinder, and the adjusting sliding seat and the adjusting cylinder correspond to the lifting support seat one by one.

[0020] Preferably, a lifting inner sleeve is further provided in the lifting support seat, and the lifting cylinder is connected to the deviation adjustment sliding seat by means of the lifting inner sleeve;

[0021] The number of the lifting and adjusting mechanisms is two groups, and the two groups of the lifting and adjusting mechanisms are respectively arranged at the two ends of the length direction of the transition frame.

[0022] Preferably, the first articulated frame and the second articulated frame both have an articulated hole, the first articulated frame is hingedly connected to the second articulated frame by using the articulated hole, and the axis of the articulated hole is parallel to the vertical direction;

[0023] A swing cylinder is also provided between the first articulated frame and the second articulated frame, and both ends of the swing cylinder are respectively hingedly connected to the first articulated frame and the second articulated frame, and the articulation axis of the swing cylinder and the first articulated frame and the second articulated frame is parallel to the axis of the articulation hole; the number of the swing cylinders is two groups, and the two swing cylinders are respectively arranged on both sides of the width direction of the first articulated frame and the second articulated frame; a universal joint is also provided between the first articulated frame and the second articulated frame.

[0024] Preferably, the roller group and the buffer bed device are arranged on the sliding shoe frame to support the conveyor belt.

[0025] Preferably, a connecting pin hole is provided on the redirecting tail frame body, and the redirecting tail frame body is hinged to the transition frame body by means of the connecting pin hole and a hinge pin shaft, and the axis of the connecting pin hole is parallel to the horizontal direction.

[0026] Preferably, the belt transfer machine is overlapped on the tail of the heavy-duty multi-track machine by using an overlap trolley, and the overlap trolley can drive the belt transfer machine to reciprocate to adjust the overlap length between the belt transfer machine and the tail of the heavy-duty multi-track machine.

[0027] Compared with the related art, the present invention has achieved the following technical effects: the tunnel excavation transportation system of the present invention includes a transfer crusher, a belt transfer machine, a heavy-duty multi-crawler tail and a belt lifting mechanism, wherein the transfer crusher can receive the materials cut by the excavator and anchor integrated machine, crush and transport the materials; the belt transfer machine can be connected to the transfer crusher and transport the materials transported by the transfer crusher; the heavy-duty multi-crawler tail can support the conveyor belt and the belt frame, the belt frame is used to support and tension the conveyor belt, the end of the belt transfer machine away from the transfer crusher is overlapped on the heavy-duty multi-crawler tail, and the belt transfer machine can transport the materials to the conveyor belt to realize the material transportation; the belt lifting mechanism is located at the end of the heavy-duty multi-crawler tail away from the belt transfer machine, and the belt lifting mechanism can support the conveyor belt to facilitate the installation of the belt frame.

[0028] The tunneling and transporting system of the present invention, when working, the anchor-digger cuts the coal through its own cutting device, and the cut coal is transported backward. The anchor-digger unloads the coal into the receiving hopper of the transfer crusher, and the receiving hopper is connected to the scraper chain. The scraper chain will pass through the crushing device during the process of transporting the coal backward. The crushing device crushes the large pieces of coal through the crushing disk and then transports them backward. The belt transfer machine frame falls on the track of the heavy multi-crawler tail. The front end of the belt transfer machine is the tail of the belt transfer machine, which can be hingedly connected with the front equipment and move with the front equipment. The coal of the transfer crusher will be unloaded in the tail of the belt transfer machine and transported backward. When the coal is transported to the end of the belt transfer machine, the material is unloaded onto the conveyor belt in the tail of the heavy multi-crawler. The belt transfer machine overlaps with the tail of the heavy multi-crawler, and the overlapping stroke is determined by the length of the belt transfer machine. When the overlapping stroke reaches the limit, the tail of the heavy multi-crawler starts to move forward to supplement the stroke for the next round of excavation. At this time, it is necessary to manually replenish the conveyor belt frame, so a belt lifting mechanism is installed at the rear of the heavy multi-track machine tail, which can lift the belt upwards and assist the operator to install the belt frame. The tunneling transportation system of the present invention, based on the overlapping transfer form of the belt transfer machine, changes the traditional self-moving tail movement mode, realizes the rapid movement of the tail of the transportation system, meets the continuous load of the transfer machine, and is equipped with a belt lifting mechanism to assist the operator in installing the belt frame, avoiding the shutdown and extension of the conveying system during the excavation operation, and realizing the synchronous extension and continuous transportation of the conveying system with the advancement of excavation, which is conducive to improving the efficiency of excavation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A schematic diagram of the structure of a tunneling transportation system disclosed in an embodiment of the present invention;

[0031] Figure 2 A schematic structural diagram of a heavy-duty multi-track machine tail of a tunneling transport system disclosed in an embodiment of the present invention;

[0032] Figure 3 A schematic structural diagram of a tail frame unit of a tunneling tunnel transportation system disclosed in an embodiment of the present invention;

[0033] Figure 4 A schematic structural diagram of a support transition unit of a tunneling tunnel transportation system disclosed in an embodiment of the present invention;

[0034] Figure 5 A schematic structural diagram of a lifting and deflection adjustment mechanism of a tunneling and transporting system disclosed in an embodiment of the present invention;

[0035] Figure 6 A schematic diagram of the structure of an articulated transition unit of a tunneling tunnel transportation system disclosed in an embodiment of the present invention;

[0036] Figure 7 It is a schematic structural diagram of a sliding shoe unit of a tunneling tunnel transportation system disclosed in an embodiment of the present invention.

[0037] In the figure: 100, heavy-duty multi-track tail; 101, tail frame unit; 102, support transition unit; 103, articulated transition unit; 104, sliding shoe unit; 105, power unit; 106, redirection tail frame body; 107, redirection roller; 108, roller adjustment cylinder; 109, floating coal cleaner; 110, belt cleaner; 111, connecting pin hole; 112, transition frame; 113, driving crawler; 114, hydraulic motor; 115, Speed ​​reducer; 116, lifting and deflection adjustment mechanism; 117, buffer bed device; 118, roller group; 119, lifting support seat; 120, lifting cylinder; 121, deflection adjustment sliding seat; 122, deflection adjustment base; 123, deflection adjustment cylinder; 124, lifting inner sleeve; 125, first articulated frame; 126, second articulated frame; 127, articulated hole; 128, swing cylinder; 129, universal joint; 130, sliding shoe frame; 131, guide sliding shoe;

[0038] 200, belt transfer machine; 201, tail of belt transfer machine; 202, docking trolley; 203, unloading trolley;

[0039] 300, belt picking mechanism;

[0040] 400, reloading crusher;

[0041] 500. All-in-one digging and anchoring machine. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] The purpose of the present invention is to provide a tunnel excavation transportation system to solve the problems existing in the above-mentioned related technologies, so that the tunnel excavation transportation system can quickly move the tail of the machine, realize continuous loading of the transfer machine, improve the transportation efficiency of the tunnel excavation transportation system, and thus ensure the excavation work efficiency of the excavation equipment.

[0044] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0045] The present invention provides a tunneling transportation system, please refer to Figure 1-Figure 7 , including a transfer crusher 400, a belt transfer machine 200, a heavy-duty multi-track tail machine 100 and a belt-lifting mechanism 300, wherein the transfer crusher 400 can receive the materials cut by the anchor-digger 500, crush and transport the materials; the belt transfer machine 200 can be connected to the transfer crusher 400 and transport the materials transported by the transfer crusher 400; the heavy-duty multi-track tail machine 100 can support the conveying belt and the belt rack, the belt rack is used to support and tension the conveying belt, the end of the belt transfer machine 200 away from the transfer crusher 400 is overlapped on the heavy-duty multi-track tail machine 100, and the belt transfer machine 200 can transport the materials to the conveying belt to realize the transportation of the materials; the belt-lifting mechanism 300 is located at the end of the heavy-duty multi-track tail machine 100 away from the belt transfer machine 200, and the belt-lifting mechanism 300 can prop up the conveying belt to facilitate the installation of the belt rack.

[0046] In the tunneling transportation system of the present invention, when working, the anchor-digging machine 500 cuts the coal through its own cutting device, and the cut coal is transported backward. The anchor-digging machine 500 unloads the coal into the receiving hopper of the transfer crusher 400, which is connected to the scraper chain. The scraper chain will pass through the crushing device during the process of transporting the coal backward. The crushing device crushes the large pieces of coal through the crushing disk and then transports them backward. The belt transfer machine 200 is placed on the track of the heavy multi-crawler tail 100. At the front end of the belt transfer machine 200 is the belt transfer machine tail 201, which can be hingedly connected with the front equipment and move with the front equipment. The coal of the transfer crusher 400 will be unloaded in the belt transfer machine tail 201 and transported backward. When the coal is transported to the end of the belt transfer machine 200, the material is unloaded onto the conveyor belt in the heavy multi-crawler tail 100. The belt transfer machine 200 is overlapped with the heavy-duty multi-track tail 100, and the overlap stroke is determined by the length of the belt transfer machine 200. When the overlap stroke reaches the limit, the heavy-duty multi-track tail 100 starts to move forward to supplement the stroke for the next round of excavation. At this time, it is necessary to manually supplement the conveyor belt frame, so a belt lifting mechanism 300 is installed at the rear of the heavy-duty multi-track tail 100, which can lift the belt upward to assist the operator in installing the belt frame. The excavation tunnel transportation system of the present invention, on the basis of the overlapping transfer form of the belt transfer machine 200, changes the traditional self-moving tail movement mode, realizes the rapid movement of the tail of the transportation system, and meets the continuous load of the bridge transfer machine. At the same time, it is equipped with a belt lifting mechanism 300, which can assist the operator in installing the belt frame, avoids the shutdown and extension of the conveying system during the excavation operation, and realizes the synchronous extension and continuous transportation of the conveying system with the advancement of excavation, which is conducive to improving the excavation operation efficiency.

[0047] It needs to be explained here that the conveyor belt and the belt frame are both part of the belt conveyor. The belt conveyor is equipment of the tunneling tunnel transportation system. It is common knowledge for those skilled in the art and will not be elaborated here.

[0048] Specifically, the heavy-duty multi-track tail 100 of the present invention includes a tail frame unit 101 , a support transition unit 102 , an articulated transition unit 103 , a sliding shoe unit 104 and a power unit 105 .

[0049] The tail frame unit 101 includes a redirecting tail frame body 106 and a redirecting roller 107 rotatably arranged on the redirecting tail frame body 106. The redirecting roller 107 can support the conveying belt and change the running direction of the conveying belt to ensure the smooth transportation of coal materials.

[0050] The support transition unit 102 includes a transition frame 112 and a roller group 118 and a buffer bed device 117 arranged on the transition frame 112. The roller group 118 and the buffer bed device 117 can support the conveyor belt and buffer the impact force on the conveyor belt, and play a buffering and protective role in the unloading of materials; the transition frame 112 is hinged with the redirection tail frame 106 to adapt to the ups and downs of the tunnel and ensure the transportation efficiency of the system. The support transition unit 102 also includes a driving crawler part 113, which is arranged on both sides of the transition frame 112 and can drive the support transition unit 102 to move. The support transition unit 102 serves as the fuselage carrier of the heavy multi-crawler tail 100, and uses the driving crawler part 113 to drive the heavy multi-crawler tail 100 to move, so as to achieve the coordination of the advancement of the belt transfer machine 200 and the movement of the belt tail during the advancement of the working face, thereby improving the excavation work efficiency.

[0051] The articulated transition unit 103 includes a first articulated frame 125 and a second articulated frame 126, the first articulated frame 125 is articulated with the second articulated frame 126, and the first articulated frame 125 and the second articulated frame 126 are both provided with a roller group 118 and a buffer bed device 117 to support the conveyor belt; the support transition unit 102 and the articulated transition unit 103 correspond to each other one by one, and when multiple groups of support transition units 102 and articulated transition units 103 are provided, the first articulated frame 125 is articulated with the transition frame 112 of the previous group of support transition units 102, and the second articulated frame 126 is articulated with the transition frame 112 of the next group of support transition units 102; the support transition unit 102 and the articulated transition unit 103 are alternately connected. In actual applications, the number of the support transition unit 102 and the articulated transition unit 103 can be selectively set according to the overall lap length and requirements to meet different excavation and transportation needs.

[0052] The slipper unit 104 includes a slipper frame 130 and a guide slipper 131 arranged on the slipper frame 130. The slipper frame 130 is hinged to the second hinge frame 126 of the last group of hinged transition units 103. The slipper unit 104 carries a heavy load such as the power unit 105. The power unit 105 is arranged on the slipper frame 130. The power unit 105 is used to provide operating power for the tail frame unit 101, the support transition unit 102, the hinged transition unit 103 and the slipper unit 104 to ensure the normal operation of the heavy-duty multi-track tail 100.

[0053] More specifically, the tail frame unit 101 further includes a roller adjustment cylinder 108, a floating coal cleaner 109 and a belt cleaner 110. The redirection roller 107 is connected to the redirection tail frame body 106 by the roller adjustment cylinder 108 to adjust the relative position of the redirection roller 107 and the redirection tail frame body 106 to tension the conveyor belt; along the moving direction of the conveyor belt, the floating coal cleaner 109 is arranged behind the redirection roller 107 to clean up the spilled materials, and the belt cleaner 110 is located in front of the redirection roller 107 to clean up the materials on the conveyor belt. The tail frame unit 101 is composed of the redirection tail frame body 106 as a frame, and the redirection roller 107 is installed at the front end of the redirection tail frame body 106. The connecting ears extending from both ends of the redirection roller 107 and the connecting ears at both ends of the redirection tail frame body 106 are connected by the roller adjustment cylinder 108, so that the position of the redirection roller 107 can be adjusted and the conveyor belt can be tensioned to prevent the belt from drifting. A floating coal cleaner 109 is provided behind the redirecting roller 107 to facilitate manual cleaning of the coal scattered near the redirecting roller 107 to prevent the coal jamming phenomenon from damaging the redirecting roller 107. Before the conveying belt passes around the redirecting roller 107, it will pass through the belt cleaner 110 to scrape the coal on the belt before passing through the redirecting roller 107, thereby enhancing the protection of the redirecting roller 107 and extending the service life of the device.

[0054] In this specific embodiment, the driving track portion 113 includes a track frame, a power element, a track sprocket and a walking track. The power element includes a hydraulic motor 114 and a reducer 115. The track frame is connected to the transition frame 112. The power element is arranged on the track frame, and the output end of the power element is connected to the track sprocket transmission. The track sprocket is rotatably arranged on the track frame. The track sprocket can tighten the walking track to drive the walking track to move. The driving track portion 113 is used to realize the walking movement function, which improves the adaptability of the device to the tunnel walking environment.

[0055] At the same time, the support transition unit 102 also includes a lifting and adjusting mechanism 116. When the heavy multi-track tail 100 needs to adjust the fuselage position, the lifting and adjusting mechanism 116 can be used to lift the support transition unit 102 to adjust its position and angle, thereby achieving the purpose of adjusting the fuselage position. The lifting and deflection adjustment mechanism 116 includes a lifting support seat 119, a deflection adjustment sliding seat 121 and a deflection adjustment base 122. The lifting support seats 119 are in two groups and are respectively connected to both sides of the width direction of the transition frame 112. A lifting oil cylinder 120 is arranged in the lifting support seat 119. The movable end of the lifting oil cylinder 120 is connected to the deflection adjustment sliding seat 121. The deflection adjustment sliding seat 121 is slidably arranged on the deflection adjustment base 122. The sliding direction of the deflection adjustment sliding seat 121 is parallel to the width direction of the transition frame 112. The deflection adjustment sliding seat 121 is connected to the deflection adjustment oil cylinder 123. The deflection adjustment sliding seat 121 and the deflection adjustment oil cylinder 123 correspond to the lifting support seat 119 one by one. When the lifting and deflection adjustment mechanism 116 is not working, the lifting oil cylinder 120 is in a retracted state. When the position of the fuselage needs to be adjusted, the lifting cylinder 120 will extend to lower the lifting adjustment mechanism 116 to the ground and then continue to extend until the driving crawler part 113 on the support transition unit 102 leaves the ground to adjust the lateral position. The adjustment cylinder 123 drives the adjustment sliding seat 121 to move along the adjustment base 122, so as to achieve the purpose of adjusting the lateral position of the support transition unit 102.

[0056] Among them, a lifting inner sleeve 124 is also arranged in the lifting support seat 119, and the lifting oil cylinder 120 is connected to the adjustment sliding seat 121 by means of the lifting inner sleeve 124. The lifting inner sleeve 124 provides a guide for the lifting oil cylinder 120 to reciprocate in the vertical direction, thereby ensuring the movement accuracy of the lifting oil cylinder 120 and improving the working reliability of the lifting adjustment mechanism 116. It should also be noted that there are two groups of lifting adjustment mechanisms 116, and the two groups of lifting adjustment mechanisms 116 are respectively arranged at both ends of the length direction of the transition frame 112 to ensure the convenience of position adjustment operation.

[0057] In the articulated transition unit 103 of the present invention, the first articulated frame 125 and the second articulated frame 126 both have an articulated hole 127. The first articulated frame 125 is hingedly connected to the second articulated frame 126 via the articulated hole 127. The axis of the articulated hole 127 is parallel to the vertical direction. The first articulated frame 125 and the second articulated frame 126 rotate around the axis of the articulated hole 127 to cooperate with the deviation adjustment operation.

[0058] In order to improve the reliability of the articulated transition unit 103, a swing oil cylinder 128 is further provided between the first articulated frame 125 and the second articulated frame 126. The two ends of the swing oil cylinder 128 are respectively articulated to the first articulated frame 125 and the second articulated frame 126, and the articulation axis of the swing oil cylinder 128 and the first articulated frame 125 and the second articulated frame 126 is parallel to the axis of the articulation hole 127. There are two groups of swing oil cylinders 128, and the two swing oil cylinders 128 are respectively provided on both sides of the width direction of the first articulated frame 125 and the second articulated frame 126. The relative rotation of the first articulated frame 125 and the second articulated frame 126 is realized through the corresponding telescopic action of the two swing oil cylinders 128. A universal joint 129 is also provided between the first articulated frame 125 and the second articulated frame 126 to strengthen the strength of the connection structure and ensure the structural stability of the articulated transition unit 103. A roller group 118 and a buffer bed device 117 are also provided in the middle of the articulated transition unit 103 to provide buffering protection for the unloading of materials.

[0059] Correspondingly, the sliding shoe frame 130 is provided with a roller assembly 118 and a buffer bed device 117 to support the conveyor belt and provide buffer protection for the conveyor belt.

[0060] The power unit 105 includes a pump station, an oil tank, an electric control box, etc., which serves as a power source to provide power for hydraulic components and electrical components to ensure the normal operation of the equipment.

[0061] It should also be noted that a connecting pin hole 111 is provided on the redirecting tail frame body 106, and the redirecting tail frame body 106 is hinged with the transition frame body 112 by means of the connecting pin hole 111 and the hinge pin shaft, and the axis of the connecting pin hole 111 is parallel to the horizontal direction. The redirecting tail frame body 106 is connected to the transition frame body 112 behind by means of an articulation by means of the connecting pin hole 111, so as to better adapt to the change in slope of the roadway.

[0062] In addition, the belt conveyor 200 is overlapped on the heavy-duty multi-track tail 100 by means of an overlap trolley 202. The overlap trolley 202 can drive the belt conveyor 200 to reciprocate to adjust the overlap length between the belt conveyor 200 and the heavy-duty multi-track tail 100. The overlap stroke is determined by the length of the belt conveyor 200. When the stroke reaches the limit, the heavy-duty multi-track tail 100 starts to move forward to supplement the stroke for the next round of excavation. At this time, it is necessary to manually supplement the conveyor belt frame. Therefore, a belt lifting mechanism 300 is installed at the rear of the heavy-duty multi-track tail 100, which can lift the belt upwards to assist the operator in installing the belt frame.

[0063] In this specific embodiment, the belt lifting mechanism 300 includes two lifting cylinders, which are connected to a portal frame. Grooved rollers and flat rollers are provided on the portal frame to support the conveyor belt. When the lifting cylinders are actuated, the conveyor belt is lifted up by utilizing the grooved rollers and flat rollers, thereby facilitating the installation of the belt frame.

[0064] It is also necessary to explain that in other specific embodiments that can be realized by the present invention, a fixed frame and a sliding frame are provided at the head of the belt transfer machine 200, an electric roller is installed on the sliding frame, a telescopic cylinder is provided between the fixed frame and the sliding frame, and the belt of the belt transfer machine 200 passes around the electric roller, and the belt is tensioned by the telescopic cylinder.

[0065] In the tunneling transportation system of the present invention, the anchor-mining machine 500 cuts the coal through its own cutting device, and the cut coal is gathered by the rake claw mechanism and transported backward through the transport trough. The anchor-mining machine 500 unloads the coal into the receiving hopper of the transfer crusher 400, which is connected to the scraper chain. The scraper chain will pass through the crushing device during the process of transporting the coal backward. The crushing device crushes the large pieces of coal through the crushing disk and then transports them backward. The belt transfer machine 200 is placed on the track of the heavy multi-crawler tail 100. At the front end of the belt transfer machine 200 is the belt transfer machine tail 201, which can be hingedly connected with the front equipment and move with the front equipment. The coal of the transfer crusher 400 will be unloaded in the belt transfer machine tail 201 and transported backward. When the coal is transported to the end of the belt transfer machine 200, the unloading trolley 203 will unload the material onto the belt in the heavy multi-crawler tail 100.

[0066] The tunnel excavation transportation system of the present invention, based on the overlapping transfer form of the belt transfer machine 200, changes the traditional self-moving tail movement mode and belt transportation control mode, and adopts the driving crawler part 113 of the multi-support transition unit 102 to pull the belt tail and the long-distance belt linkage control system, so as to realize the rapid movement of the tail by the rear supporting transportation system to meet the continuous load of the bridge transfer machine. At the same time, the tail is equipped with a belt lifting mechanism 300, which can assist the operating personnel in installing the belt frame, avoid the shutdown and extension of the conveying system during the excavation operation, and realize the synchronous extension and continuous transportation of the conveying system with the advancement of excavation.

[0067] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A tunneling transportation system, characterized in that: include: A transfer crusher, which can receive the materials cut by the anchor-digger, crush the materials and transfer them; A belt transfer machine, which can be connected to the transfer crusher and convey the materials conveyed by the transfer crusher; A heavy-duty multi-track tail, which can support a conveyor belt and a belt rack, and the belt rack is used to support and tension the conveyor belt. One end of the belt transfer machine away from the transfer crusher is overlapped on the heavy-duty multi-track tail, and the belt transfer machine can transfer materials to the conveyor belt to realize material transportation; The belt lifting mechanism is located at one end of the heavy-duty multi-crawler tail away from the belt transfer machine. The belt lifting mechanism can prop up the conveyor belt to facilitate the installation of the belt rack.

2. The tunneling transportation system according to claim 1, characterized in that: The heavy-duty multi-track tail includes: A tail frame unit, the tail frame unit comprising a redirecting tail frame body and a redirecting roller rotatably arranged on the redirecting tail frame body, the redirecting roller being capable of supporting the conveying belt and changing the running direction of the conveying belt; A support transition unit, the support transition unit comprises a transition frame and a roller group and a buffer bed device arranged on the transition frame, the roller group and the buffer bed device can support the conveyor belt and buffer the impact force on the conveyor belt; the transition frame is hinged with the redirecting tail frame; the support transition unit also includes a driving crawler part, the driving crawler part is arranged on both sides of the transition frame, and can drive the support transition unit to move; An articulated transition unit, the articulated transition unit comprises a first articulated frame and a second articulated frame, the first articulated frame is articulated with the second articulated frame, the first articulated frame and the second articulated frame are both provided with the roller group and the buffer bed device to support the conveyor belt; the support transition unit and the articulated transition unit correspond one to one, when multiple groups of the support transition units and the articulated transition units are provided, the first articulated frame is articulated with the transition frame of the previous group of the support transition units, and the second articulated frame is articulated with the transition frame of the next group of the support transition units; A sliding shoe unit, the sliding shoe unit comprising a sliding shoe frame and a guide sliding shoe arranged on the sliding shoe frame, the sliding shoe frame being hingedly connected to the second hinge frame of the last group of the hinge transition units; A power unit is arranged on the sliding shoe frame, and is used to provide operating power for the tail frame unit, the support transition unit, the articulated transition unit and the sliding shoe unit.

3. The tunneling transportation system according to claim 2, characterized in that: The tail frame unit also includes a roller adjusting cylinder, a floating coal cleaner and a belt cleaner. The redirecting roller is connected to the redirecting tail frame body by the roller adjusting cylinder to adjust the relative position of the redirecting roller and the redirecting tail frame body to tension the conveying belt; along the moving direction of the conveying belt, the floating coal cleaner is arranged behind the redirecting roller to clean up spilled materials, and the belt cleaner is located in front of the redirecting roller to clean up materials on the conveying belt.

4. The tunneling transportation system according to claim 2, characterized in that: The driving track portion includes a track frame, a power element, a track sprocket and a walking track. The track frame is connected to the transition frame. The power element is arranged on the track frame, and the output end of the power element is transmission-connected to the track sprocket. The track sprocket is rotatably arranged on the track frame, and the track sprocket can tighten the walking track to drive the walking track to move.

5. The tunneling transportation system according to claim 2, characterized in that: The supporting transition unit also includes a lifting and adjusting mechanism, which includes a lifting support seat, an adjusting sliding seat and an adjusting base. The lifting support seats are in two groups and are respectively connected to both sides of the width direction of the transition frame. A lifting cylinder is arranged in the lifting support seat, and the movable end of the lifting cylinder is connected to the adjusting sliding seat. The adjusting sliding seat can be slidably arranged on the adjusting base, and the sliding direction of the adjusting sliding seat is parallel to the width direction of the transition frame. The adjusting sliding seat is connected to the adjusting cylinder, and the adjusting sliding seat and the adjusting cylinder correspond to the lifting support seat one by one.

6. The tunneling transportation system according to claim 5, characterized in that: The lifting support seat is also provided with a lifting inner sleeve, and the lifting oil cylinder is connected to the deviation adjustment sliding seat by means of the lifting inner sleeve; The number of the lifting and adjusting mechanisms is two groups, and the two groups of the lifting and adjusting mechanisms are respectively arranged at the two ends of the length direction of the transition frame.

7. The tunneling transportation system according to claim 2, characterized in that: The first articulated frame and the second articulated frame both have an articulated hole, the first articulated frame is hingedly connected to the second articulated frame by using the articulated hole, and the axis of the articulated hole is parallel to the vertical direction; A swing cylinder is also provided between the first articulated frame and the second articulated frame, and both ends of the swing cylinder are respectively hingedly connected to the first articulated frame and the second articulated frame, and the articulation axis of the swing cylinder and the first articulated frame and the second articulated frame is parallel to the axis of the articulation hole; the number of the swing cylinders is two groups, and the two swing cylinders are respectively arranged on both sides of the width direction of the first articulated frame and the second articulated frame; a universal joint is also provided between the first articulated frame and the second articulated frame.

8. The tunneling transportation system according to claim 2, characterized in that: The roller group and the buffer bed device are arranged on the sliding shoe frame to support the conveyor belt.

9. The tunneling transportation system according to claim 2, characterized in that: The redirecting tail frame body is provided with a connecting pin hole, and the redirecting tail frame body is hinged with the transition frame body by means of the connecting pin hole and the hinge pin shaft, and the axis of the connecting pin hole is parallel to the horizontal direction.

10. The tunneling transportation system according to claim 1, characterized in that: The belt transfer machine is overlapped on the tail of the heavy-duty multi-track machine by using an overlap trolley, and the overlap trolley can drive the belt transfer machine to reciprocate to adjust the overlap length between the belt transfer machine and the tail of the heavy-duty multi-track machine.

Images