Ultra-narrow crawler-type follow-up self-moving machine tail for tunneling

Abstract

The invention belongs to the technical field of coal mine roadway tunneling, and particularly relates to an ultra-narrow crawler-type follow-up self-moving machine tail for tunneling. Comprising a crawler walking mechanism, a main machine frame, a front supporting part, a rear supporting part, a belt frame, a material receiving part and a power frame. The front supporting part, the rear supporting part and the crawler walking mechanism are arranged on the main machine frame. The crawler walking mechanism is used for moving the self-moving machine tail after the front supporting part and the rear supporting part are folded; the belt frame is arranged on the front supporting part and the rear supporting part and can shift transversely, the material receiving part is hinged to the front end of the belt frame, and a material receiving part lifting oil cylinder is connected between the material receiving part and the belt frame to adjust the inclination angle of the material receiving part; the rear supporting part is connected with the power frame and used for dragging the power frame; a conveying system formed by the material receiving part, the belt frame and the power frame is connected with the belt conveyor; integrated operation of traction, transshipment, height adjustment and lateral movement is achieved, and the problems of material buffering transshipment, tail equipment traction, height adjustment and lateral movement and the like during large-section single coal roadway tunneling of the tunneling and anchoring all-in-one machine are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine tunnel excavation, and in particular relates to a crawler-type follower self-moving machine tail for ultra-narrow excavation. Background Art

[0002] As the mining speed and output of comprehensive mining faces in my country's coal mines continue to increase, the advancement speed of the mining face is constantly being refreshed, resulting in a sharp increase in the amount of tunnel excavation work in underground coal mines, and the contradiction between mining and excavation is becoming increasingly prominent. It is an inevitable trend to develop rapid tunnel excavation technology.

[0003] The main way to achieve efficient tunneling operations is to use efficient tunneling equipment and advanced support technology. The anchor-drilling unit adopts the horizontal axis full-section one-time tunneling cutting drum and anchor support technology, which realizes the parallel operation of cutting, loading and supporting, improves the tunneling efficiency and engineering quality, and creates the safety miracle of "zero casualties" in tunneling of underground coal mines. The anchor-drilling unit has become the standard tunneling equipment in my country's modern mechanized coal mining mines, and has broad market prospects.

[0004] The anchor digging unit and its supporting equipment are also constantly developing and improving. The supporting equipment and methods of the anchor digging machine are diverse, and multi-dimensional continuous transportation supporting forms are presented. At present, most of the supporting equipment in China includes anchor transfer unit + belt transfer machine + step-type self-moving tail + belt conveyor. The anchor digging machine and the supporting equipment realize the mechanized operation of cutting, loading, supporting, crushing and transportation. However, from the perspective of the number and size of supporting equipment, the existing anchor digging machine supporting system is relatively complex and has a large size, which leads to poor adaptability of the supporting equipment, difficult operation, high cost, long length, difficult material transportation and low safety.

[0005] In view of the above problems, according to the geological conditions of coal mines and on-site application requirements, we have developed an ultra-narrow crawler-type follow-up self-moving tail for tunneling. Summary of the invention

[0006] An object of the present invention is to solve at least the above problems and to provide at least the advantages which will be described hereinafter.

[0007] In order to achieve the above-mentioned object, the present invention provides an ultra-narrow crawler type follower self-moving tail for tunneling, comprising a crawler walking mechanism, a main frame, a front support part, a rear support part, a belt frame, a material receiving part and a power frame;

[0008] The front support part, the rear support part and the crawler walking mechanism are arranged on the main frame; the main frame is supported by the front support part and the rear support part on the ground; the front support part and the rear support part include a lifting mechanism and a side shifting mechanism, the front support part and the rear support part adjust the height of the main frame to the ground through the lifting mechanism, and adjust the lateral position of the main frame through the side shifting mechanism; the crawler walking mechanism is used to move the main frame after the front support part and the rear support part are folded;

[0009] The belt rack is arranged on the front supporting part and the rear supporting part and can be laterally offset. The receiving part is hinged to the front end of the belt rack. The receiving part lifting cylinder is connected between the receiving part and the belt rack to adjust the inclination angle of the receiving part.

[0010] The rear support part is connected with the power frame for towing the power frame; the conveying system composed of the material receiving part, the belt frame and the power frame is connected with the belt conveyor.

[0011] Furthermore, the front end of the main frame is connected to the front support part, and the rear end is connected to the rear support part. The left and right sides of the main frame between the front support part and the rear support part are respectively connected to the crawler walking mechanism; the belt frame is placed on the top of the front support part and the rear support part.

[0012] Furthermore, the front support part and the rear support part have the same structure including a support frame, a height-adjusting oil cylinder, a height-adjusting oil cylinder guide rail, an oil cylinder upper connecting ear, a sliding shoe, a sliding skid and a side-shift oil cylinder; a height-adjusting oil cylinder guide rail is arranged in the sleeves on both sides of the support frame, an oil cylinder upper connecting ear is arranged on the upper end of the sleeve, the oil cylinder upper connecting ear is connected to the piston rod of the height-adjusting oil cylinder, the height-adjusting oil cylinder guide rail is connected to the cylinder barrel of the height-adjusting oil cylinder, the cylinder barrels of the height-adjusting oil cylinders on both sides are connected to two sliding shoes at the bottom, the two sliding shoes are installed in the guide grooves at both ends of the sliding skid, and the two sliding shoes are respectively connected to the sliding skid through the side-shift oil cylinder; the height-adjusting oil cylinder can adjust the height of the support frame by telescopic movement, and the lateral position of the support frame by telescopic movement of the side-shift oil cylinder; the top of the support frame is provided with guide grooves in the left and right directions;

[0013] The different structures of the front support part and the rear support part include that the support frame of the rear support part is provided with a power frame connecting ear.

[0014] Further, the belt frame includes an intermediate frame, a front sliding shoe, a rear sliding shoe, a first grooved roller, a first flat roller and a belt pressing roller;

[0015] The upper layer of the intermediate frame is provided with the first grooved roller, the lower layer is provided with the first flat roller, and the belt pressing roller is arranged at the rear end of the lower belt of the belt frame; the front sliding shoe and the rear sliding shoe are respectively assembled in the guide grooves of the front supporting part and the rear supporting part, and two belt frame swing cylinders are connected between the front sliding shoe and the front supporting part; two belt frame swing cylinders are connected between the rear sliding shoe and the rear supporting part; the lateral position of the belt frame can be adjusted by extending and retracting the belt frame swing cylinder.

[0016] Furthermore, the material receiving part includes a material receiving frame, a left hopper, a right hopper, a redirecting roller, a hopper belt pressing roller, a sweeper and a roller telescopic cylinder; the left and right sides of the top of the material receiving frame are respectively fixedly connected to the left hopper and the right hopper, and the middle of the left hopper and the right hopper forms a feeding port; a redirecting roller is slidably arranged between the front end side plates of the material receiving frame, and a roller telescopic cylinder is connected between the two ends of the redirecting roller and the outer side of the side plate, and a sweeper and a hopper belt pressing roller are sequentially installed on the material receiving frame at the tail of the redirecting roller;.

[0017] Furthermore, the material receiving part is provided with a detachable buffer bed and a material guide plate at the lower end of the material feeding port surrounded by the left hopper and the right hopper.

[0018] Further, the power frame includes a sliding base, a belt support frame, a second grooved roller, a second flat roller, a belt pressure wheel, an integrated electric control box, a hydraulic pump station and a hydraulic oil tank;

[0019] The sliding base is hingedly connected to the rear support part by a connecting rod and a pin shaft. An integrated electric control box, a hydraulic pump station and a hydraulic oil tank are installed on the bottom plate of the sliding base; the belt support frame is installed at the uppermost end of the power frame, and the second trough-shaped roller is installed on the upper layer of the belt support frame; the second flat roller is installed on the lower layer of the belt support frame; and the belt pressure wheel is installed on the raised side of the inclined roller of the second trough-shaped roller.

[0020] Furthermore, lighting lamps are arranged on both sides of the rear upper end of the material receiving part.

[0021] Furthermore, lubricating oil tanks are installed on the outer sides of the belt pressing roller and the hopper belt pressing roller.

[0022] Compared with the prior art, the advantages of the present invention are:

[0023] The ultra-narrow crawler-type follow-up self-moving tail for excavation provided by the present invention is suitable for the connection between the excavation and anchoring unit and the retractable belt conveyor. It has its own electrical and hydraulic power, and has the functions of self-moving crawler tracks, and adjusting the deviation and height of the conveyor belt at the tail of the retractable belt conveyor, thereby ensuring smooth excavation, transportation and transfer. Moreover, the self-moving tail has an ultra-narrow body width, which can realize the mechanized transportation of materials and the segmented parallel operation of anchoring operations, reduce the labor intensity of workers, improve safety, and match the excavation and anchoring unit to realize fast and safe excavation.

[0024] The whole machine adopts modular design, can be transported and assembled in parts, and is easy to install, disassemble and transport. It can realize integrated operations of receiving, transferring, traction, height adjustment and deviation adjustment. The equipment functions are highly integrated, the configuration is simple, the applicability is strong and the safety is good. It solves the problems of soft bottom plate, equipment traction, material transportation difficulties and unbalanced digging and anchoring when the digging and anchoring machine is excavating a large-section single coal lane, reduces the labor intensity of workers, and improves the excavation speed of the digging and anchoring machine, playing an important role in promoting coal mine efficiency improvement and safety production by reducing the number of people.

[0025] It realizes the integrated operation of traction, transfer, height adjustment and lateral shifting, and solves the problems of material buffering and transfer, tail equipment traction and height adjustment and lateral shifting when the integrated digging and anchoring machine is excavating a large-section single crushing coal lane. It reduces the labor intensity of workers, increases the lane construction speed by 30%, and reduces the number of operators by 20%, playing an important role in promoting coal mine efficiency improvement and safe production by reducing manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is the overall structure diagram of the crawler-type follow-up self-moving machine tail for ultra-narrow tunneling;

[0027] Figure 2 This is the structural diagram of the crawler walking mechanism;

[0028] Figure 3 This is the structural diagram of the front support part;

[0029] Figure 4 This is the structural diagram of the rear support part;

[0030] Figure 5 This is the structural diagram of the belt rack;

[0031] Figure 6 This is the structural diagram of the receiving part;

[0032] Figure 7 This is the structural diagram of the power frame.

[0033] In the figure: 1- crawler travel mechanism; 101- crawler frame; 102- crawler chain; 103- travel reducer; 104- driving sprocket; 105- hydraulic motor; 106- expansion assembly and supporting roller;

[0034] 2- Main frame;

[0035] 3-front support part; 301-front support frame; 302-front height adjustment cylinder; 303-front height adjustment cylinder guide rail; 304-front cylinder upper connecting ear; 305-front sliding shoe; 306-front sliding skid; 307-front side shift cylinder; 308-front pin shaft;

[0036] 4-rear support; 401-rear support frame; 402-rear height adjustment cylinder; 403-rear height adjustment cylinder guide rail; 404-rear cylinder upper connecting ear; 405-rear sliding shoe; 406-rear sliding skid; 407-rear side shift cylinder; 408-rear pin shaft;

[0037] 5-belt frame; 501-middle frame; 502-front sliding shoe; 503-rear sliding shoe; 504-first grooved roller; 505-first flat roller; 506-belt pressing roller;

[0038] 6-receiving part; 601-receiving rack; 602-left hopper; 603-right hopper; 604-redirection roller; 605-hopper belt pressing roller; 606-sweeper; 607-roller telescopic cylinder; 608-impact bed; 609-material guide plate;

[0039] 7-Belt rack swing cylinder; 8-Receiving part lifting cylinder;

[0040] 9-power frame; 901-sliding base; 902-belt support frame; 903-second grooved roller; 904-second flat roller; 905-belt pressure wheel; 906-integrated electric control box; 907-hydraulic pump station; 908-hydraulic oil tank;

[0041] 10-lighting lamp; 11-connecting rod; 12-pin shaft; 13-lubricating oil tank. DETAILED DESCRIPTION

[0042] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art 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.

[0043] like Figure 1 As shown: an ultra-narrow crawler type follow-up self-moving machine tail for excavation, including a crawler walking mechanism 1, a main frame 2, a front support part 3, a rear support part 4, a belt frame 5, a material receiving part 6 and a power frame 9; the front support part 3, the rear support part 4 and the crawler walking mechanism 1 are arranged on the main frame 2; the main frame 2 is supported by the front support part 3 and the rear support part 4 on the ground; the front support part 3 and the rear support part 4 include a lifting mechanism and a side shifting mechanism, the front support part 3 and the rear support part 4 adjust the height of the main frame 2 to the ground through the lifting mechanism, and the side shifting mechanism The structure adjusts the lateral position of the main frame 2; the crawler walking mechanism 1 is used to move the main frame 2 after the front support part 3 and the rear support part 4 are folded; the belt frame 5 is arranged on the front support part 3 and the rear support part 4 and can be laterally offset, the receiving part 6 is hinged to the front end of the belt frame 5, and the receiving part lifting cylinder 8 is connected between the receiving part 6 and the belt frame 5 to adjust the inclination angle of the receiving part 6; the rear support part 4 is connected to the power frame 9 for towing the power frame 9; the conveying system composed of the receiving part 6, the belt frame 5 and the power frame 9 is connected to the belt conveyor.

[0044] The front end of the main frame 2 is connected to the front support part 3, and the rear end is connected to the rear support part 4. The left and right sides of the main frame 2 between the front support part 3 and the rear support part 4 are respectively connected to the crawler walking mechanism 1; the belt frame 5 is placed on the top of the front support part 3 and the rear support part 4.

[0045] like Figure 2As shown: the crawler walking mechanism 1 includes a crawler frame 101, a crawler chain 102, a travel reducer 103, a driving sprocket 104, a hydraulic motor 105, an expansion assembly 106 and a supporting roller 107. The hydraulic motor 105 is arranged on the inner side of the crawler frame 101. The output end of the hydraulic motor 105 is connected to the travel reducer 103. The output end of the travel reducer 103 is connected to the driving sprocket 104 to transmit power to the crawler chain 102. The driving sprocket 104, the crawler frame 101, the expansion assembly 106 and the supporting roller 107 support the crawler chain 102 to complete the walking movement.

[0046] like Figure 3 As shown: the front support part 3 includes a front support frame 301, a front height adjustment cylinder 302, a front height adjustment cylinder guide rail 303, a front cylinder upper connecting ear 304, a front sliding shoe 305, a front skid 306 and a front side shift cylinder 307; front height adjustment cylinder guide rails 303 are provided in the sleeves on both sides of the front support frame 301, the front height adjustment cylinder guide rails 303 and the sleeve are slidably matched, the front cylinder upper connecting ear 304 is installed on the upper end of the sleeve, the front cylinder upper connecting ear 304 is connected to the piston rod of the front height adjustment cylinder 302, the front height adjustment cylinder guide rail 303 is connected to the cylinder barrel of the front height adjustment cylinder 302, the cylinder barrels of the front height adjustment cylinders 302 on both sides are connected with two front sliding shoes 305, the two front sliding shoes 305 are installed in the guide grooves at both ends of the front skid 306, and the front The sliding shoes 305 can slide back and forth in the corresponding guide grooves, and the two front sliding shoes 305 are respectively connected to the front skid 306 through the front side shift cylinder 307, and the front side shift cylinder 307 is connected to the front skid 306 and the front sliding shoes 305 through the front pin shaft 308; the front height adjustment cylinder 302 can adjust the height of the front support frame 301 by telescoping, and the front height adjustment cylinder guide rail 303 slides in the sleeve of the front support frame 301 when the front height adjustment cylinder 302 is telescoping; the front side shift cylinder 307 can adjust the lateral position of the front support frame 301 by telescoping, and the front sliding shoes 305 slide in the guide groove of the front skid 306 when the front side shift cylinder 307 is telescoping, and the front support frame 301 moves as a whole; the top of the front support frame 301 is provided with guide grooves in the left and right directions.

[0047] like Figure 4As shown: the rear support part 4 includes a rear support frame 401, a rear height adjustment cylinder 402, a rear height adjustment cylinder guide rail 403, a rear cylinder upper connecting ear 404, a rear sliding shoe 405, a rear skid 406 and a rear side shift cylinder 407; rear height adjustment cylinder guide rails 403 are provided in the sleeves on both sides of the rear support frame 401, and the rear height adjustment cylinder guide rails 403 are slidably matched with the sleeves, and the upper connecting ear 404 of the rear cylinder is installed on the upper end of the sleeve, and the rear cylinder upper connecting ear 404 is connected to the piston rod of the rear height adjustment cylinder 402, and the rear height adjustment cylinder guide rail 403 is connected to the cylinder barrel of the rear height adjustment cylinder 402, and the cylinder barrels of the rear height adjustment cylinders 402 on both sides are connected with two rear sliding shoes 405, and the two rear sliding shoes 405 are installed in the guide grooves at both ends of the rear skid 406. The slide shoe 405 can slide back and forth in the corresponding guide groove. The two rear slide shoes 405 are connected to the rear skid 406 through the rear side shift oil cylinder 407. The rear side shift oil cylinder 407 is connected to the rear skid 406 and the rear slide shoe 405 through the rear pin shaft 408. The rear height adjustment oil cylinder 402 can adjust the height of the rear support frame 401 by telescoping. When the rear height adjustment oil cylinder 402 is telescoping, the rear height adjustment oil cylinder guide rail 403 slides in the sleeve of the rear support frame 401. The rear side shift oil cylinder 407 can adjust the lateral position of the rear support frame 401 by telescoping. When the rear side shift oil cylinder 407 is telescoping, the rear slide shoe 405 slides in the guide groove of the rear skid 406, and the rear support frame 401 moves as a whole. The top of the rear support frame 401 is provided with a left-right guide groove. The rear support frame 401 of the rear support part 4 is provided with a power frame connecting ear.

[0048] like Figure 5 As shown: the belt frame 5 includes an intermediate frame 501, a front sliding shoe 502, a rear sliding shoe 503, a first grooved roller 504, a first flat roller 505 and a belt pressing roller 506;

[0049] The upper layer of the intermediate frame 501 is provided with a first grooved roller 504, and the lower layer is provided with a first flat roller 505. The first grooved roller 504 is installed in the roller slot of the intermediate frame 501 in a V-shaped arrangement; the first flat roller 505 is installed in the flat roller slot of the intermediate frame 501; the belt pressing roller 506 is arranged at the rear end of the lower belt of the belt frame 5;

[0050] The front slip shoe 502 and the rear slip shoe 503 are respectively assembled in the guide grooves of the front support part 3 and the rear support part 4; two belt rack swing cylinders 7 are connected between the front slip shoe 502 and the front support part 3, and two belt rack swing cylinders 7 are connected between the rear slip shoe 503 and the rear support part 4; the front slip shoe 502 and the rear slip shoe 503 can slide in the guide grooves of the front support part 3 and the rear support part 4 respectively under the push of their own belt rack swing cylinders 7; the lateral position of the belt rack 5 can be adjusted by extending and retracting the belt rack swing cylinder 7, thereby adjusting the positional relationship between the self-moving machine tail and the belt conveyor, thereby ensuring the safe operation of the entire belt.

[0051] like Figure 6As shown: the receiving part 6 includes a receiving frame 601, a left hopper 602, a right hopper 603, a redirecting roller 604, a hopper belt pressing roller 605, a sweeper 606 and a roller telescopic cylinder 607; the left and right sides of the top of the receiving frame 601 are respectively fixedly connected to the left hopper 602 and the right hopper 603 by bolts, and the middle of the left hopper 602 and the right hopper 603 forms a feeding port; a redirecting roller 604 is slidably arranged between the front end side plates of the receiving frame 601, and a roller telescopic cylinder 607 is connected between the two ends of the redirecting roller 604 and the outer side of the side plate, and a sweeper 606 and a hopper belt pressing roller 605 are sequentially installed on the receiving frame 601 at the tail of the redirecting roller 604, and the sweeper 606 is used to scrape the material on the lower belt to prevent the material from being rolled into the roller.

[0052] The receiving part 6 is provided with a detachable buffer bed 608 and a guide plate 609 at the lower end of the feed port surrounded by the left hopper 602 and the right hopper 603. The buffer bed 608 is a polyurethane strip that prevents the falling coal from impacting the upper belt, and the guide plate 609 guides the falling coal to the upper belt.

[0053] like Figure 7 As shown: the power frame 9 includes a sliding base 901, a belt support frame 902, a second grooved roller 903, a second flat roller 904, a belt pressure wheel 905, an integrated electric control box 906, a hydraulic pump station 907 and a hydraulic oil tank 908; the sliding base 901 is hingedly connected to the rear support part 4 through a connecting rod 11 and a pin 12, and the power frame 9 can move forward together with the crawler walking mechanism 1. The bottom plate of the sliding base 901 is equipped with an integrated electric control box 906, a hydraulic pump station 907 and a hydraulic oil tank 908; the integrated electric control box 906, the hydraulic pump station 907 and the hydraulic oil tank 908 are used to control And provide power for the crawler-type follow-up self-moving tail; the belt support frame 902 is installed at the uppermost end of the power frame 9, and the second grooved roller 903 is installed on the upper layer of the belt support frame 902; the second flat roller 904 is installed on the lower layer of the belt support frame 902; the second grooved roller 903 is installed in the roller groove of the belt support frame 902, in a V-shaped arrangement; the second flat roller 904 is installed in the flat roller groove of the belt support frame 902; the belt pressure wheel 905 is installed on the raised side of the inclined roller of the second grooved roller 903, and the belt pressure wheel 905 presses on the edge of the upper belt to prevent the upper belt from running off.

[0054] Illuminating lamps 10 are arranged on both sides of the rear upper end of the material receiving portion 6 to provide lighting during operation.

[0055] A lubricating oil tank 13 is installed on the outer sides of the belt pressing roller 506 and the hopper belt pressing roller 605 .

[0056] The main frame 2, the front support part 3, the rear support part 4, the material receiving part 6 and the power frame 9 are connected by pins. The whole machine is modularly designed and can be transported and assembled in parts, and is easy to install, disassemble and transport.

[0057] During production operations, the crawler-type follower self-moving machine tail pulls the redirecting roller end of the retractable belt conveyor and closely follows the anchor digging unit. The material receiving part 6 receives and buffers the materials transported by the anchor digging unit, and then transfers them to the belt conveyor behind. At the same time, it can also pull the tail end of the belt conveyor into a new work station.

[0058] The lower belt of the belt conveyor passes through the second flat roller 904 of the power frame 9, the belt pressing roller 506 of the belt frame 5, the first flat roller 505, the hopper belt pressing roller 605 of the receiving part 6 in sequence, passes under the sweeper 606 and then bypasses the redirecting roller 604 to become the upper belt after changing direction. The upper belt passes through the buffer bed 608, the first grooved roller 504 of the belt frame 5, the second grooved roller 903 of the power frame 9 and then the upper roller group of the belt conveyor in sequence.

[0059] Experiments have shown that the present invention realizes the integrated operation of receiving, transferring and traction, solves the problems of soft bottom plate and equipment traction when the anchor digging machine is excavating a large-section single coal tunnel, and because the width of the self-moving tail body of the present invention is ultra-narrow, the material transport vehicle can directly reach the back of the anchor digging machine, solving the difficulties of manual material transportation, reducing the labor intensity of workers and the number of material transporters, shortening the auxiliary material transportation time, and improving the tunneling speed of the anchor digging unit; and under the condition that the tunnel conditions permit, the narrow anchor drilling vehicle can enter the back of the anchor digging unit to carry out the supplementary operation of anchor rods and cables, realizing the parallel operation of anchor protection segments, further improving the excavation speed, and the tunneling speed. The speed of the tunneling is increased by 30%, and the number of operators is also reduced by 20%, which plays an important role in promoting the reduction of manpower and improvement of efficiency and safe production in coal mines.

[0060] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A crawler-type self-moving tail for ultra-narrow tunneling, characterized in that: It comprises a crawler walking mechanism (1), a main frame (2), a front support part (3), a rear support part (4), a belt frame (5), a material receiving part (6) and a power frame (9); The front support part (3), the rear support part (4) and the crawler walking mechanism (1) are arranged on the main frame (2); the main frame (2) is supported by the front support part (3) and the rear support part (4) on the ground; the front support part (3) and the rear support part (4) include a lifting mechanism and a side shifting mechanism, the front support part (3) and the rear support part (4) adjust the height of the main frame (2) above the ground through the lifting mechanism, and adjust the lateral position of the main frame (2) through the side shifting mechanism; the crawler walking mechanism (1) is used to move the main frame (2) after the front support part (3) and the rear support part (4) are folded; The belt frame (5) is arranged on the front support part (3) and the rear support part (4) and can be laterally offset. The material receiving part (6) is hinged to the front end of the belt frame (5). A material receiving part lifting cylinder (8) is connected between the material receiving part (6) and the belt frame (5) to adjust the inclination angle of the material receiving part (6). The rear support part (4) is connected to the power frame (9) for dragging the power frame (9); the conveying system composed of the material receiving part (6), the belt frame (5) and the power frame (9) is connected to the belt conveyor.

2. The ultra-narrow crawler-type follow-up self-moving tail for tunneling according to claim 1 is characterized in that: The front end of the main frame (2) is connected to the front support part (3), and the rear end is connected to the rear support part (4); the left and right sides of the main frame (2) between the front support part (3) and the rear support part (4) are respectively connected to the crawler walking mechanism (1); and the belt frame (5) is placed on the top of the front support part (3) and the rear support part (4).

3. The ultra-narrow crawler type follow-up self-moving tail for tunneling according to claim 2 is characterized in that: The front support part (3) and the rear support part (4) have the same structure and include a support frame, a height-adjusting oil cylinder, a height-adjusting oil cylinder guide rail, an oil cylinder upper connecting ear, a sliding shoe, a sliding skid and a side-shift oil cylinder; a height-adjusting oil cylinder guide rail is arranged in the sleeves on both sides of the support frame, an oil cylinder upper connecting ear is arranged on the upper end of the sleeve, the oil cylinder upper connecting ear is connected to the piston rod of the height-adjusting oil cylinder, the height-adjusting oil cylinder guide rail is connected to the cylinder barrel of the height-adjusting oil cylinder, the cylinder barrels of the height-adjusting oil cylinders on both sides are connected to two sliding shoes at the bottom, the two sliding shoes are installed in the guide grooves at both ends of the sliding skid, and the two sliding shoes are respectively connected to the sliding skid through the side-shift oil cylinder; the height-adjusting oil cylinder can be telescopically adjusted to adjust the height of the support frame, and the side-shift oil cylinder can be telescopically adjusted to adjust the lateral position of the support frame; the top of the support frame is provided with a left-right guide groove; The different structures of the front support part (3) and the rear support part (4) include that a power frame connecting ear is arranged on the support frame of the rear support part (4).

4. The ultra-narrow crawler-type follow-up self-moving tail for tunneling according to claim 3 is characterized in that: The belt frame (5) comprises an intermediate frame (501), a front sliding shoe (502), a rear sliding shoe (503), a first grooved roller (504), a first flat roller (505) and a belt pressing roller (506); The upper layer of the intermediate frame (501) is provided with a first grooved roller (504), and the lower layer is provided with a first flat roller (505); a belt pressing roller (506) is arranged at the rear end of the lower belt of the belt frame (5); a front sliding shoe (502) and a rear sliding shoe (503) are respectively mounted in the guide grooves of the front support portion (3) and the rear support portion (4); two belt frame swing cylinders (7) are connected between the front sliding shoe (502) and the front support portion (3); two belt frame swing cylinders (7) are connected between the rear sliding shoe (503) and the rear support portion (4); the lateral position of the belt frame (5) can be adjusted by extending and retracting the belt frame swing cylinders (7).

5. The ultra-narrow crawler type follow-up self-moving tail for tunneling according to claim 4 is characterized in that: The receiving part (6) comprises a receiving frame (601), a left hopper (602), a right hopper (603), a redirecting roller (604), a hopper belt pressing roller (605), a cleaner (606) and a roller telescopic cylinder (607); the left and right sides of the top of the receiving frame (601) are respectively fixedly connected to the left hopper (602) and the right hopper (603), and the middle of the left hopper (602) and the right hopper (603) forms a feeding port; a redirecting roller (604) is slidably arranged between the front end side plates of the receiving frame (601), and a roller telescopic cylinder (607) is connected between the two ends of the redirecting roller (604) and the outer side of the side plate; a cleaner (606) and a hopper belt pressing roller (605) are sequentially installed on the receiving frame (601) at the tail of the redirecting roller (604).

6. The ultra-narrow crawler-type follow-up self-moving tail for tunneling according to claim 5, characterized in that: The receiving portion (6) is provided with a detachable buffer bed (608) and a material guide plate (609) at the lower end of the feeding port formed by the left hopper (602) and the right hopper (603).

7. The ultra-narrow crawler-type follow-up self-moving tail for tunneling according to claim 5, characterized in that: The power frame (9) comprises a sliding base (901), a belt support frame (902), a second grooved roller (903), a second flat roller (904), a belt pressure wheel (905), an integrated electric control box (906), a hydraulic pump station (907) and a hydraulic oil tank (908); The sliding base (901) is hingedly connected to the rear support part (4) through a connecting rod (11) and a pin shaft (12); an integrated electric control box (906), a hydraulic pump station (907) and a hydraulic oil tank (908) are installed on the bottom plate of the sliding base (901); a belt support frame (902) is installed at the uppermost end of the power frame (9); a second grooved roller (903) is installed on the upper layer of the belt support frame (902); a second flat roller (904) is installed on the lower layer of the belt support frame (902); and a belt pressure wheel (905) is installed on the raised side of the inclined roller of the second grooved roller (903).

8. The ultra-narrow crawler-type follow-up self-moving tail for tunneling according to claim 5 is characterized in that: Illuminating lamps (10) are arranged on both sides of the rear upper end of the material receiving portion (6).

9. The ultra-narrow crawler-type follow-up self-moving tail for tunneling according to claim 5, characterized in that: Lubricating oil tanks (13) are installed on the outer sides of the belt pressing roller (506) and the hopper belt pressing roller (605).

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