Tunneling blasting intelligent charging system based on lagging jack trolley

Abstract

The utility model discloses a tunneling blasting intelligent charging system based on an arch frame trolley. Full-automatic intelligent charging of blasting holes in a blasting tunnel face is achieved. By means of an arch frame trolley commonly used in tunnel construction, a full-automatic intelligent explosive charging system is integrated on the arch frame trolley, namely, an intelligent control mechanical arm is integrated at the top end of a cantilever beam of the arch frame trolley, and a pneumatic explosive charging machine and an explosive cartridge stock bin box body are integrally installed on an arch frame trolley body. A movable initiating explosive cartridge storage box filled with initiating explosive cartridges is placed on the ground on the front side of a blasting tunnel face, and automatic explosive taking and charging of the initiating explosive cartridges are achieved by controlling a mechanical arm; a stepping type automatic distributing mechanism ingeniously connected with an explosive cartridge storage bin is designed, an air cylinder conveying mode is adopted, the distributed explosive cartridges are automatically conveyed into a pneumatic charging machine, and automatic charging and filling of the explosive cartridges of blast holes are achieved through cooperation with the pneumatic charging machine.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of intelligent charging system of blasting hole in tunnel blasting excavation, in particular to a kind of intelligent charging system based on arch trolley for blasting hole on rock wall in tunnel excavation blasting. BACKGROUND

[0002] Mining blasting method is the main construction method of tunnel excavation, in the process of tunnel blasting excavation construction, a series of dense blasting holes are drilled on the rock wall of working face first, then emulsion explosive is filled into each blasting hole, finally, the construction personnel are away from the blasting face, and the tunnel is excavated by detonation; Due to the limitation of construction conditions in the tunnel, emulsion explosive cartridge is generally used as explosive material for blasting hole filling in tunnel blasting, emulsion explosive cartridge is divided into two kinds of initiating explosive cartridge and explosive cartridge, electronic detonator is pre-embedded in initiating explosive cartridge, the lead-out wire of electronic detonator is connected to the detonation bus after being thrown out of the blasting hole, one initiating explosive cartridge is filled in a blasting hole first, and then several explosive cartridges are filled, the detonator first detonates the initiating explosive cartridge, and then detonates the explosive cartridge, so as to realize the blasting of rock mass; Therefore, the filling of initiating explosive package and explosive package is the most important link in the whole construction process, and the filling efficiency and filling quality of explosive package will directly affect the progress of blasting excavation and the construction quality of the whole tunnel.

[0003] At present, in the process of tunnel blasting construction, the drilling of blasting hole on the working face has realized mechanized operation, but the charging of blasting hole is still carried out by manual charging method, the operator carries out high-altitude charging operation in high temperature, high humidity and high dust environment, since the blasting working face is as high as ten meters or more, the on-site operator generally uses arch trolley to realize the high-altitude operation; High-altitude high-intensity explosive filling operation has safety hazards of high-altitude operation, plus the harsh construction environment, there are defects of low explosive filling quality, excessive labor intensity and low charging efficiency, how to develop an intelligent and fully automatic charging system has become an urgent problem to be solved in construction site.

[0004] With the development of robot technology, using intelligent robots to replace manual on-site charging has become a task that the present technical personnel in the field is trying to overcome; but how to realize the full-automatic charging of the mechanical charging hand at the blasting face is a primary problem to be solved, each blasting hole on the blasting face needs to be filled with an initiating explosive and several explosive charges; the automatic step-by-step charging of the initiating explosive has certain difficulty, because the initiating explosive is attached with a detonator lead wire and a terminal box, how to complete the filling of the initiating explosive at one time and smoothly shake out the lead wire outside the blasting hole, so that the terminal box of each initiating explosive is also smoothly set on the blasting face, and create convenient conditions for the connection of each terminal box and the detonation bus in the later period, becomes a difficult problem that the present technical personnel in the field needs to overcome; the filling amount of the explosive charge is large, how to efficiently and orderly separate the explosive charges gathered together in the explosive charge bin and step-by-step fill them into each blasting hole to realize full-automatic operation is another difficult problem that the present technical personnel in the field needs to solve. SUMMARY

[0005] The application provides a tunneling blasting intelligent charging system based on an arch support trolley, which realizes full-automatic and intelligent charging of blasting holes on a blasting face.

[0006] The application solves the above technical problems by the following technical scheme:

[0007] The general idea of the application is that the full-automatic intelligent charging system is integrated on the arch support trolley commonly used in tunnel construction, that is, the intelligent control mechanical arm is integrated at the top end of the cantilever beam of the arch support trolley, the pneumatic charging machine and the explosive charge bin box are integrated and installed on the trolley body of the arch support trolley, and the movable initiating explosive storage box containing initiating explosives is placed on the ground in front of the blasting face, the automatic taking and charging of the initiating explosive are realized by controlling the mechanical hand; and a step-by-step automatic material separating mechanism is designed, which is cleverly connected with the explosive charge storage bin, the separated explosive charges are automatically transmitted to the pneumatic charging machine by using the cylinder transmission mode, and the automatic charging and filling of the explosive charges of the blasting hole are realized in cooperation with the pneumatic charging machine; the application uses a set of charging system to realize intelligent and automatic charging of two kinds of explosive charges, namely, initiating explosive and explosive charge.

[0008] The application discloses an arch trolley-based tunneling blasting intelligent charging system, which comprises a blasting rock mass face, an arch trolley, an initiating explosive cartridge storage box, a front stock bin box body storing explosive cartridges and a pneumatic charging machine, the blasting rock mass face is provided with blasting holes drilled and punched thereon, the arch trolley is provided with an arch trolley cantilever, the initiating explosive cartridge storage box stores initiating explosive cartridges, the initiating explosive cartridge storage box is placed at the front side of the blasting rock mass face, the front stock bin box body and the pneumatic charging machine are placed on the trolley body of the arch trolley, a mechanical hand is arranged at the outer side end of the arch trolley cantilever, a medicine taking tube is held in the mechanical hand, a conveying hose is connected to the rear end of the medicine taking tube, the other end of the conveying hose is connected to the output port of the pneumatic charging machine, and the input port of the pneumatic charging machine is connected to the front stock bin box body storing the explosive cartridges.

[0009] In the initiating explosive cartridge storage box, a first row of driven sprocket, a second row of driven sprocket, a driving sprocket, a first reversing sprocket and a second reversing and tensioning sprocket are arranged, the sprocket shafts of the sprockets are arranged between the rear side vertical plate and the front side vertical plate of the initiating explosive cartridge storage box, one end of the annular closed chain passes through the driving sprocket, the first reversing sprocket and the second reversing and tensioning sprocket in sequence, then alternately passes through the second row of driven sprocket and the first row of driven sprocket from right to left, and then returns to the driving sprocket, so as to form a chain serpentine arrangement structure; a driving servo motor of the annular closed chain is arranged on the rear side vertical plate, the output shaft of the driving servo motor is connected to the sprocket shaft of the driving sprocket; a serpentine through hole and a U-shaped through hole corresponding to the annular closed chain in the serpentine arrangement are arranged on the front side vertical plate, the serpentine through hole and the U-shaped through hole form a closed annular channel after being communicated, a pair of limiting steps are arranged on the inner side surface of the front side vertical plate on both sides of the serpentine through hole and on the inner side surface of the front side vertical plate on both sides of the U-shaped through hole; U-shaped clamping seats are arranged on the annular closed chain at equal intervals, a cantilever cartridge is connected to the U-shaped clamping seat, a cantilever tube is connected to another U-shaped clamping seat adjacent to the cantilever cartridge, and the cantilever cartridge and the cantilever tube are alternately arranged at intervals on the annular closed chain; the outer side end of the cantilever cartridge is cantilevered on the front side of the front side vertical plate after passing through the serpentine through hole, an initiating explosive cartridge is movably inserted in the cantilever cartridge, a fuse drum holder wound by an ignition line of the initiating explosive cartridge is movably inserted in the cantilever tube, the upper file disc of the fuse drum holder is movably abutted between the two limiting steps, and a notch is arranged at the upper left corner of the front side vertical plate.

[0010] The piston is movably arranged in the inner cavity of the cantilever tube, a pair of long strip through holes are arranged on the outer sidewall of the cantilever tube, a pair of piston driving cantilever rods are arranged on the piston, the piston driving cantilever rods are arranged outside the cantilever tube through the long strip through holes, a tension spring fixing pin is arranged on the outer end port of the cantilever tube, a tension spring is connected between the tension spring fixing pin and the piston, and the tension spring is arranged in the inner cavity of the cantilever tube.

[0011] The chute of the spool is arranged below the notch on the left, and the pop-up falling baffle of the spool is arranged on the front side stand on the right side of the notch; the long strip gap groove is arranged on the cylinder wall of the cantilever cartridge, the limiting half ring is arranged in the middle of the long strip gap groove, the outer end port of the cantilever cartridge is in a horn shape, the detonating cord drawn from the bottom end of the detonating charge is first drawn out of the cantilever cartridge from the limiting half ring, and then wound on the spool; the isolation plate connecting pin shaft is arranged between two adjacent first driven sprockets, a second row of driven sprockets is arranged below the isolation plate connecting pin shaft, and a vertical chain isolation plate is arranged between the isolation plate connecting pin shaft and the sprocket shaft of the second row of driven sprockets.

[0012] The detonating charge and the spool are arranged in the detonating charge storage box, the terminal box is arranged on the outer side vertical surface of the upper line disc of the spool, the rotating sleeve is movably sleeved on the central shaft tube of the spool, the electronic detonator is pre-embedded in the detonating charge, the detonating cord of the electronic detonator is wound on the rotating sleeve of the spool after being drawn out of the detonating charge, and the outer end of the detonating cord is connected with the terminal box.

[0013] The pneumatic machine support of the pneumatic charging machine is provided with a charging airflow delivery main pipe, a compressed air access pipe is provided on the outside of the pneumatic machine support of the charging airflow delivery main pipe, a rear conical cavity is communicated with the left end port of the charging airflow delivery main pipe, an inlet port cylinder is communicated with the left end port of the rear conical cavity, a front conical cavity is communicated with the right end port of the charging airflow delivery main pipe, an outlet port cylinder is communicated with the right end port of the front conical cavity, a conveying hose is connected with the right end port of the outlet port cylinder, a compressed air first inlet port is provided on the cavity wall of the front conical cavity, a compressed air second inlet port is provided on the cavity wall of the rear conical cavity, a compressed air switch valve is connected with the outside wall of the charging airflow delivery main pipe, the normally closed contact of the compressed air switch valve is provided in the pipe cavity of the charging airflow delivery main pipe after penetrating through the outside wall of the charging airflow delivery main pipe, a valve body input port, a valve body first output port and a valve body second output port are respectively provided on the compressed air switch valve; when the normally closed contact is not triggered, the valve body second output port is in a closed state, at this time, the compressed air entering the compressed air switch valve is output from the valve body first output port; after the normally closed contact is triggered, the valve body second output port is in an open state, the compressed air entering the compressed air switch valve is respectively output from the valve body first output port and the valve body second output port; a compressed air access pipe is connected with the valve body input port, a compressed air second delivery pipe is connected between the valve body second output port and the compressed air second inlet port, and a compressed air first delivery pipe is connected between the valve body first output port and the compressed air first inlet port; a one-way flap valve is provided at the connection between the inlet port cylinder and the rear conical cavity, and the one-way flap valve can only be flipped to the inside of the rear conical cavity.

[0014] A normally closed contact control air pipe is connected between the compressed air access pipe and the normally closed contact control port of the compressed air switch valve, and the compressed air in the compressed air access pipe enters the compressed air switch valve through the normally closed contact control air pipe, and the air pressure makes the normally closed contact in a normally closed state.

[0015] The front bin box bottom plate is an inclined bottom plate, a rectangular discharge port is provided at the lowest part of the inclined bottom plate, a distribution rotating shaft mounting frame is connected below the rectangular discharge port, a distribution rotating shaft is movably mounted in the distribution rotating shaft mounting frame, a distribution rotating shaft driving servo motor is provided on the rear vertical surface of the distribution rotating shaft mounting frame, the output shaft of the distribution rotating shaft driving servo motor is connected with the distribution rotating shaft, explosive roll embedding grooves are provided on the arc-shaped outer side of the shaft body of the distribution rotating shaft at equal intervals, a U-shaped material receiving groove is hung below the distribution rotating shaft, an explosive roll pushing air cylinder is provided at the rear end U-shaped port of the U-shaped material receiving groove, a conveying pipe is connected at the front end U-shaped port of the U-shaped material receiving groove, and a pneumatic charging machine is connected with the front end port of the conveying pipe.

[0016] A connecting shaft hole is arranged on the front side vertical surface of the front shaft end of the distributing rotating shaft, a supporting shaft penetrating shaft hole is arranged on the rear side vertical surface of the rear shaft end of the distributing rotating shaft, and a supporting shaft seat is arranged on the rear end frame in the distributing rotating shaft mounting frame; the output shaft of the distributing rotating shaft driving servo motor is connected with the connecting shaft hole, and the supporting shaft seat is movably arranged in the supporting shaft penetrating shaft hole; a charge pushing disc is connected on the output shaft of the explosive charge pushing cylinder, and the charge pushing disc is arranged in a U-shaped material receiving groove which is hung below the distributing rotating shaft mounting frame through two connecting plates.

[0017] The full-automatic charging system is integrated on the arch trolley, can independently drive, has the functions of automatic conveying of the detonating charge and the explosive charge, mechanical hand charge taking and pneumatic charging, realizes intelligent and mechanized full-process charging of the blasting hole on the tunnel blasting working face, the whole system is integrated on the arch trolley, convenient and economic in moving operation in the tunnel, two kinds of charges share a set of pneumatic charging system, the filling of the two kinds of charges in each blasting hole is smooth and fast, the charging operation efficiency is greatly improved, the labor cost is saved, and the charging quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective structural schematic diagram of the present application;

[0019] Figure 2 is a path structure schematic diagram of the explosive charge 301 being conveyed from the material bin to the charge taking pipe 401 of the present application;

[0020] Figure 3 is a structure schematic diagram of the mechanical hand 406 when taking the detonating charge 101 from the detonating charge storage box 102 of the present application;

[0021] Figure 4 is a structure schematic diagram of the automatic conveying and feeding mechanism of the detonating charge of the present application;

[0022] Figure 5 is a structure schematic diagram of the detonating charge storage box 102 when the front side vertical plate 117 is not installed of the present application;

[0023] Figure 6 is a structure schematic diagram of the arrangement of each chain wheel in the detonating charge storage box 102 of the present application;

[0024] Figure 7 is a structure schematic diagram of the front side vertical plate 117 of the present application;

[0025] Figure 8 is a structure schematic diagram of the detonating charge storage box 102 in the rear view direction of the present application;

[0026] Figure 9is the connection relationship diagram of the primer 101 of the present application and the spool reel holder 104;

[0027] Figure 10 is the structure diagram of the U-shaped clamping seat 108 on the annular closed chain 107 of the present application;

[0028] Figure 11 is the structure diagram of the cantilever cartridge 109 of the present application;

[0029] Figure 12 is the structure diagram of the cantilever tube 110 of the present application;

[0030] Figure 13 is the internal structure diagram of the cantilever tube 110 of the present application;

[0031] Figure 14 is the connection relationship diagram of the spool reel holder 104 and the detonating cord 103 of the present application;

[0032] Figure 15 is the cooperation relationship diagram of the spool reel holder 104 and the cantilever tube 110 of the present application;

[0033] Figure 16 is the three-dimensional structure diagram of the charging machine of the present application;

[0034] Figure 17 is the internal structure diagram of the charging machine of the present application;

[0035] Figure 18 is the structure diagram when the primer 101 is pneumatically filled of the present application;

[0036] Figure 19 is the structure diagram when the explosive cartridge 301 enters the feeding port cylinder 204 of the present application;

[0037] Figure 20 is the structure diagram when the explosive cartridge 301 enters the charging gas flow conveying main pipe 201 of the present application;

[0038] Figure 21 is the structure diagram when the explosive cartridge 301 is ejected from the medicine taking pipe 401 of the present application;

[0039] Figure 22 is the three-dimensional structure diagram of the automatic material distribution and supply mechanism of the explosive cartridge of the present application;

[0040] Figure 23 is the cooperation relationship diagram of the material distribution rotating shaft 311, the material bin and the U-shaped material receiving groove 307 of the present application;

[0041] Figure 24 is the structure diagram of the front material bin box 302 of the present application;

[0042] Figure 25 is a structural schematic diagram of the distributing mechanism of the present application;

[0043] Figure 26 is a structural schematic diagram of the distributing rotating shaft 311 of the present application;

[0044] Figure 27 is a structural schematic diagram of the distributing rotating shaft mounting frame 304 of the present application;

[0045] Figure 28 is a structural schematic diagram of the U-shaped receiving groove 307 of the present application. DETAILED DESCRIPTION

[0046] The present application will be described in detail below with reference to the accompanying drawings:

[0047] The application discloses an arch trolley-based tunneling blasting intelligent charging system, which comprises a blasting rock mass face 402, an arch trolley 404, an initiating explosive cartridge storage box 102, a front stock bin box body 302 storing explosive cartridges and a pneumatic charging machine, the blasting rock mass face 402 is provided with blasting holes 403 drilled by drilling machines, the arch trolley 404 is provided with an arch trolley cantilever 405, the arch trolley 404 can control the arch trolley cantilever 405 to be lifted or lowered through a self-provided control system, and the initiating explosive cartridges 101 are stored in the initiating explosive cartridge storage box 102; the initiating explosive cartridge storage box 102 is placed on the front side of the blasting rock mass face 402, the front stock bin box body 302 and the pneumatic charging machine 317 are placed on the trolley body of the arch trolley 404, a mechanical arm 406 is arranged on the outer side end of the arch trolley cantilever 405, the mechanical arm 406 holds a cartridge taking pipe 401, a conveying hose 206 is connected to the rear end of the cartridge taking pipe 401, the other end of the conveying hose 206 is connected to the output port of the pneumatic charging machine 317, and the input port of the pneumatic charging machine 317 is connected to the front stock bin box body 302 storing the explosive cartridges 301; a manipulator controller of the mechanical arm controls the mechanical arm 406 to move to a cartridge taking position on the initiating explosive cartridge storage box 102, automatically takes out the initiating explosive cartridges 101, the control system of the arch trolley automatically controls the arch trolley cantilever 405 to move to the pre-charging blasting hole 403 on the blasting rock mass face 402, controls the mechanical arm 406 to insert the cartridge taking pipe 401 provided with the initiating explosive cartridges 101 into the blasting hole 403, starts the pneumatic charging machine 317, sends the initiating explosive cartridges 101 into the bottom of the blasting hole 403 through compressed air, then coordinates the control of a stock bin system on the front stock bin box body 302, separates the explosive cartridges 301 in the front stock bin box body 302 from the stock bin, and sends the explosive cartridges 301 to the pneumatic charging machine 317, the pneumatic charging machine 317 sends the explosive cartridges 301 into the blasting hole 403 through the conveying hose 206 and the cartridge taking pipe 401 through compressed air until the blasting hole 403 is filled, and the filling of the two kinds of cartridges in the blasting hole 403 is completed.

[0048] The application discloses an automatic conveying and feeding mechanism of detonating cartridge in a tunneling blasting intelligent charging system based on a centering trolley, which comprises a detonating cartridge 101, a spool holder 104 and a vertical detonating cartridge storage box 102, wherein the detonating cartridge storage box 102 is used for storing all the detonating cartridges filled with emulsion explosive and similar to sausages and needed to be filled in blasting holes on a blasting face, the detonating cartridge storage box 102 is a cartridge bin of the detonating cartridge, and the automatic conveying and feeding mechanism is combined with a cartridge filling manipulator to automatically complete the cartridge filling work intelligently and mechanically; a junction box 106 is arranged on the outer side vertical surface of an upper file disc 105 of the spool holder 104, the spool holder 104 and the junction box 106 form an integral whole, the spool holder 104 is connected to a cantilever pipe 110 through a central shaft sleeve on the spool holder 104, a rotating sleeve is movably connected to the central shaft pipe, the rotating sleeve can rotate on the central shaft pipe, and the spool holder 104 is kept stationary, the rotating sleeve is rotated to realize the winding or unwinding of an ignition wire 103, an electronic detonator is pre-embedded in the detonating cartridge 101, the ignition wire 103 of the electronic detonator is wound on the rotating sleeve of the spool holder 104 after being pulled out from one end of the detonating cartridge 101, and the outer side end of the ignition wire 103 is connected to the junction box 106, so that the electronic detonator can be detonated through the junction box 106 and the ignition wire 103, and the explosive in the detonating cartridge 101 is further detonated; a first row of driven sprockets 111, a second row of driven sprockets 112, a driving sprocket 113, a first reversing sprocket 114 and a second reversing and tensioning sprocket 115 are arranged in the detonating cartridge storage box 102 respectively, the sprocket shafts of the sprockets are arranged between a rear vertical plate 116 and a front vertical plate 117 of the detonating cartridge storage box 102, the first row of driven sprockets 111 are arranged in a linear form and at intervals, the second row of driven sprockets 112 are also arranged in a linear form and at intervals below the first row of driven sprockets 111, and the first row of driven sprockets 111 and the second row of driven sprockets 112 are arranged in a staggered manner, so that the passing chain is arranged in a snake shape, one end of a ring-shaped closed chain 107 passes through the driving sprocket 113, the first reversing sprocket 114 and the second reversing and tensioning sprocket 115 in sequence, and then passes through the second row of driven sprockets 112 and the first row of driven sprockets 111 in a right-to-left direction to return to the driving sprocket 113 to form a closed loop, thereby forming a chain snake arrangement structure, the driving sprocket 113 and the first reversing sprocket 114 are arranged below the second row of driven sprockets 112, and the first reversing sprocket 114 and the second reversing and tensioning sprocket 115 are arranged in a vertical manner, a driving servo motor 121 of the ring-shaped closed chain 107 is arranged on the rear vertical plate 116, an output shaft of the driving servo motor 121 is connected to the sprocket shaft of the driving sprocket 113, and the driving servo motor 121 drives the ring-shaped closed chain 107 to rotate clockwise through the driving sprocket 113.The front side vertical plate 117 is provided with a snake-shaped through hole 118 corresponding to the annular closed chain 107 and a U-shaped through hole 137. The snake-shaped through hole 118 and the U-shaped through hole 137 communicate to form a closed annular channel. The annular channel is provided corresponding to the annular closed chain 107. A pair of limiting steps 119 are provided on the inner side of the front side vertical plate 117 on both sides of the snake-shaped through hole 118 and on both sides of the U-shaped through hole 137. A U-shaped clamping seat 108 is provided on the annular closed chain 107 at equal intervals. The U-shaped clamping seat 108 is connected to the front side link of the annular closed chain 107. A cantilever cartridge 109 is connected to the U-shaped clamping seat 108. The cantilever cartridge 109 is clamped to the U-shaped clamping seat 108 through a cantilever cartridge base. A cantilever pipe 110 is connected to another U-shaped clamping seat adjacent to the cantilever cartridge 109. The cantilever pipe 110 is clamped to the adjacent another U-shaped clamping seat through a cantilever pipe base. The cantilever cartridge 109 and the cantilever pipe 110 are alternately arranged at intervals on the annular closed chain 107. Each group of detonating charge roll 101 and the I-beam reel holder 104 is connected to the adjacent two U-shaped clamping seats. The outer side end of the cantilever cartridge 109 is cantilevered in front of the front side vertical plate 117 after passing through the snake-shaped through hole 118. The detonating charge roll 101 is movably inserted in the cantilever cartridge 109. The detonating line 103 of the detonating charge roll 101 is wound around the I-beam reel holder 104. The I-beam reel holder 104 is movably inserted in the cantilever pipe 110. The upper file line disc 105 of the I-beam reel holder 104 is movably abutted between the two limiting steps 119. A notch 120 is provided at the upper left corner of the front side vertical plate 117.

[0049] A piston 123 is movably arranged in the inner cavity of the cantilever pipe 110. A pair of long strip through holes 124 are provided on the outer side wall of the cantilever pipe 110. A pair of piston driving cantilever rods 125 are provided on the piston 123. The piston driving cantilever rods 125 are arranged outside the cantilever pipe 110 through the long strip through holes 124. The piston 123 can move forward and backward in the inner cavity of the cantilever pipe 110. A tension spring fixing pin 126 is provided on the outer end of the cantilever pipe 110. A tension spring 127 is connected between the tension spring fixing pin 126 and the piston 123. The tension spring 127 is arranged in the cavity of the cantilever pipe 110. When the I-beam reel holder 104 is sleeved on the cantilever pipe 110, the lower file line disc 122 of the I-beam reel holder 104 abuts on the two piston driving cantilever rods 125. The upper file line disc 105 of the I-beam reel holder 104 is limited by the front side vertical plate 117 and is compressed backward. The tension spring 127 is in a stretched state. The tension spring 127 is stretched by the backward compression of the I-beam reel holder 104 by the front side vertical plate 117. When the I-beam reel holder 104 enters the notch 120, the backward pressure of the front side vertical plate 117 on the I-beam reel holder 104 is released. The I-beam reel holder 104 is bounced off the detonating charge roll storage box 102.

[0050] A chute 128 for the spool of the I-beam wire reel 104 is arranged below the left side of the gap 120, and a pop-down stopper for the spool of the I-beam wire reel 104 is arranged on the front vertical plate 117 at the right side of the gap 120, which functions to guide the spool of the I-beam wire reel 104 into the chute 128 when the spool of the I-beam wire reel 104 is popped out; a long slit groove 129 is arranged on the wall of the cantilever cartridge 109, and a limiting half ring 130 is arranged in the middle of the long slit groove 129, the outer port of the cantilever cartridge 109 is in the shape of a horn, and the leading wire end on the detonating cartridge 101 is inserted into the bottom of the cantilever cartridge 109, after which the leading detonation wire 103 from the bottom end of the detonating cartridge 101 is first led out from the cantilever cartridge 109 after the limiting half ring 130, and then wound on the spool of the I-beam wire reel 104, so as to ensure reliable connection between the leading detonation wire 103 and the detonating cartridge 101; a partition plate connecting pin 138 is arranged between two adjacent first driven sprockets 111, a second driven sprocket 112 is arranged directly below the partition plate connecting pin 138, and a vertical chain partition plate 139 is arranged between the partition plate connecting pin 138 and the sprocket shaft of the second driven sprocket 112, and the arrangement of each chain partition plate 139 ensures smooth operation of the chain.

[0051] The front vertical plate 117 is movably mounted on the detonating cartridge storage box 102, a left bolt 132 is arranged on the left vertical plate 131 of the detonating cartridge storage box 102, a right bolt 134 is arranged on the right vertical plate 133 of the detonating cartridge storage box 102, a left bolt seat 135 is arranged on the left vertical surface of the front vertical plate 117, and a right bolt seat 136 is arranged on the right vertical surface of the front vertical plate 117; the front vertical plate 117 is mounted on the detonating cartridge storage box 102 by the following method: after each cantilever cartridge 109 on the annular closed chain 107 is loaded with a detonating cartridge 101, and the spool of the I-beam wire reel 104 matched with the detonating cartridge 101 is sleeved on the corresponding cantilever tube 110, the front vertical plate 117 is pressed on the upper guide wire disc 105 of each spool of the I-beam wire reel 104 in the direction from front to back, the two piston-driven cantilever rods 125 are moved backward so that the tension spring 127 is in a stretched state, then the pressing and fixing of the front vertical plate 117 is completed through the connection of the two pairs of bolts and bolt seats; screws can also be arranged between the front vertical plate 117 and the left vertical plate 131, and between the front vertical plate 117 and the right vertical plate 133, so as to ensure firm connection of the front vertical plate 117.

[0052] The driving servo motor 121 drives the ring closed chain 107 to rotate step by step through the driving sprocket 113, and the suspension arm cartridge 109 connected with the detonating charge roll 101 and the suspension arm tube 110 connected with the spool holder 104 are automatically transmitted to the position of the gap 120 in turn. In the process, the suspension arm cartridge 109 and the junction box 106 are moved along the closed annular channel formed by the communication of the serpentine hole 118 and the U-shaped hole 137, and the upper file disc 105 of the spool holder 104 slides along the two limiting steps 119 on the inner side surface of the front vertical plate 117 except at the position of the gap 120. In the whole step-by-step rotation process of the ring closed chain 107, the groups of detonating charge rolls 101 and spool holders 104 are transmitted to the gap 120 in turn and are taken by the mechanical hand.

[0053] The position of the gap 120 is the charging starting position of the detonating charge roll 101. The detonating charge roll 101 in the suspension arm cartridge 109 transmitted to the position of the gap 120 is grabbed, lifted and moved into the blast hole by the mechanical hand. In the moving process of the detonating charge roll 101, the spool holder 104 connected with the moved detonating charge roll 101 is in the serpentine hole 118 below the gap 120, the upper file disc 105 of the spool holder 104 is still limited and contacted between the two limiting steps 119, and the rotating sleeve on the spool holder 104 is in the rotating pay-off state. In the process of lifting and moving the detonating charge roll 101 into the blast hole, the detonating cord 103 is paid off from the spool holder 104, which realizes the following of the charging of the detonating charge roll 101 and ensures the reliable connection between the moved detonating charge roll 101 and the detonating cord 103 on the stationary spool holder 104.

[0054] When the detonating charge roll 101 is filled into the blast hole, the driving servo motor 121 is started to drive the ring closed chain 107 to move step by step, the spool holder 104 is separated from the two limiting steps 119 and enters the gap 120, the tension of the tension spring 127 is released, the tension spring 127 pulls the two piston driving suspension arms 125 to move forward, the spool holder 104 is ejected, the spool holder 104 falls into the chute 128, and the outer end of the detonating cord 103 of the detonating charge roll 101 and the junction box 106 are transmitted to the working face outside the blast hole, thereby completing the whole charging operation process of the detonating charge roll 101. In the above process, the second suspension arm cartridge enters the gap 120, and the spool holder adjacent to the second suspension arm cartridge enters below the gap 120. The ring closed chain 107 is thus cycled and stepped, realizing the automatic transmission and automatic charging operation of each group of detonating charge rolls in the detonating charge roll storage box 102.

[0055] The size of the number of charge columns in the detonator storage box 102 can be determined according to the number of blasting holes on the blasting face. The detonator storage box 102 is movable, and can be moved outside the tunnel. After the detonators are transferred into the box, they are transported to the tunnel face. After the charging operation is completed, the detonator storage box 102 can be moved outside the tunnel for secondary charging, thereby preparing for the charging of the blasting holes on the next blasting face.

[0056] The emulsion explosive roll pneumatic charging machine structure of an arch trolley-based tunnel excavation blasting intelligent charging system comprises a pneumatic machine support 209, a charging airflow conveying main pipe 201 is arranged on the pneumatic machine support 209, a compressed air access pipe 210 is arranged on the pneumatic machine support 209 outside the charging airflow conveying main pipe 201, a rear conical cavity 202 is communicated on the left end port of the charging airflow conveying main pipe 201, a feeding port cylinder 204 is communicated on the left end port of the rear conical cavity 202, a front conical cavity 203 is communicated on the right end port of the charging airflow conveying main pipe 201, a discharging port cylinder 205 is communicated on the right end port of the front conical cavity 203, a conveying hose 206 is connected on the right end port of the discharging port cylinder 205, the feeding port cylinder 204, the front conical cavity 203, the charging airflow conveying main pipe 201, the front conical cavity 203, the discharging port cylinder 205 and the conveying hose 206 constitute a charging conveying channel of an explosive roll 301; a compressed air first inlet 208 is arranged on the cavity wall of the front conical cavity 203, a compressed air second inlet 207 is arranged on the cavity wall of the rear conical cavity 202, a compressed air on-off valve 215 is connected on the outer side wall of the charging airflow conveying main pipe 201, a normally closed contact 222 on the compressed air on-off valve 215 is arranged in the pipe cavity of the charging airflow conveying main pipe 201 after penetrating through the outer side wall of the charging airflow conveying main pipe 201, the closing or opening of a valve body second output port 218 on the compressed air on-off valve 215 can be realized by controlling the normally closed contact 222, a valve body input port 216, a valve body first output port 217 and the valve body second output port 218 are respectively arranged on the compressed air on-off valve 215; when the normally closed contact 222 is not touched, the valve body second output port 218 is in a closed state, at this time, the compressed air entering the compressed air on-off valve 215 is output from the valve body first output port 217; when the normally closed contact 222 is touched, the valve body second output port 218 is in an open state, the compressed air entering the compressed air on-off valve 215 is respectively output from the valve body first output port 217 and the valve body second output port 218; the compressed air access pipe 210 is connected on the valve body input port 216, a compressed air second conveying pipe 220 is connected between the valve body second output port 218 and the compressed air second inlet 207, a compressed air first conveying pipe 219 is connected between the valve body first output port 217 and the compressed air first inlet 208; a one-way flap valve 221 is arranged at the connection between the feeding port cylinder 204 and the rear conical cavity 202, the one-way flap valve 221 can only be flipped to the inside of the rear conical cavity 202.When the normally closed contact 222 is not touched, the second output port 218 of the valve body is in a closed state, after the compressed air enters the front conical cavity 203 through the compressed air first delivery pipe 219 and the compressed air first inlet port 208, a part of the compressed air enters the rear conical cavity 202 along the charging gas flow delivery main pipe 201, forms the pressure on the one-way flap valve 221, reliably seals the connection between the feed port cylinder 204 and the rear conical cavity 202, and the other part of the compressed air is discharged from the right port of the conveying hose 206 along the discharge port cylinder 205 and the conveying hose 206.

[0057] The pressure-adjustable pressure reducing valve 211 is connected in series on the compressed air access pipe 210, the compressed air delivery pipe 214 is connected between the pressure reducing outlet 213 of the pressure reducing valve 211 and the compressed air inlet 216, and the pressure adjusting knob is arranged on the pressure reducing valve 211, so that the compressed air pressure is adjusted by rotating the pressure adjusting knob.

[0058] The normally closed contact control air pipe 223 is connected between the compressed air access pipe 210 and the normally closed contact control port of the compressed air switch valve 215, and the compressed air in the compressed air access pipe 210 enters the compressed air switch valve 215 through the normally closed contact control air pipe 223, and the normally closed contact 222 is in a normally closed state by air pressure; the normally closed contact 222 of the compressed air switch valve 215 is pressed by air pressure to realize normally closed, and only under the pressure of external force, the constant pressure overcomes the air pressure, so as to realize the opening of the second output port 218 of the valve body.

[0059] A kind of emulsion explosive detonating charge of pneumatic charging method of pneumatic charging machine, specifically relates to the charging operation process of filling into blast hole in detonating charge 101, mechanical hand holds the medicine taking pipe 401 connected on the front end port of conveying hose 206, mechanical hand operates medicine taking pipe 401 to take out detonating charge 101 from detonating charge warehouse, and moves medicine taking pipe 401 to blast hole, when medicine taking pipe 401 is provided with detonating charge 101, compressed air enters front conical cavity 203, charging gas flow delivery main pipe 201 and rear conical cavity 202 in communication in sequence through compressed air access pipe 210, pressure reducing valve 211, valve body inlet 216, compressed air switch valve 215, valve body first output port 217, compressed air first delivery pipe 219 and compressed air first inlet port 208, at this time, one-way flap valve 221 seals the connection between feed port cylinder 204 and rear conical cavity 202, and the detonating charge 101 in medicine taking pipe 401 is shot forward by the pressurized compressed air, so that the detonating charge 101 enters blast hole, thereby completing the charging of detonating charge 101.

[0060] The application relates to a kind of pneumatic charging methods of emulsion explosive detonating cartridge of pneumatic charging machine, specifically relates to the operation of filling explosive cartridge into blast hole, mechanical hand holds medicine taking tube 401 connected on the front end port of conveying hose 206, when medicine taking tube 401 is in idle state, that is, when the explosive cartridge is filled into blast hole, explosive cartridge filling operation is started, explosive cartridge 301 is conveyed into inlet cylinder 204 by conveying mechanism of explosive cartridge, explosive cartridge 301 is opened under the action of inertia one-way flap valve 221 and enters into charging air flow conveying main pipe 201, one-way flap valve 221 resets, and inlet cylinder 204 and rear conical cavity 202 connection is closed again, at this time, explosive cartridge 301 will normally closed contact 222 upwardly contact trigger, valve body second output port 218 is opened, at this time, compressed air in compressed air switch valve 215 enters into rear conical cavity 202 through compressed air second conveying pipe 220, and explosive cartridge 301 is pushed to move right, at the same time, compressed air in compressed air switch valve 215 enters into front conical cavity 203 through compressed air first conveying pipe 219, the compressed air is ejected along outlet cylinder 205, conveying hose 206 and medicine taking tube 401 to right, thereby forming suction effect to left explosive cartridge 301, under the action of two compressed air, explosive cartridge 301 accelerates through outlet cylinder 205, conveying hose 206 and medicine taking tube 401 and enters into blast hole, thereby completing explosive cartridge 301 charging.

[0061] The utility model relates to an automatic material distributing and feeding mechanism of explosive cartridge of tunneling blasting intelligent charging system based on arch trolley, including box type frame 309 and explosive cartridge 301, the identical structure is respectively set up in front bin box 302 and rear bin box 322 on box type frame 309, and explosive cartridge 301 is stored in front bin box 302 and rear bin box 322, and the bottom plate of front bin box 302 is inclined bottom plate, and rectangular discharge port 303 is set in the lowest place of inclined bottom plate, and explosive cartridge 301 in bin box slides to discharge port along inclined bottom plate, and the lower side of rectangular discharge port 303 is connected with distributing rotary shaft mounting frame 304, and distributing rotary shaft 311 is movably installed in distributing rotary shaft mounting frame 304, and distributing rotary shaft drive servo motor 305 is set on the vertical surface of rear side of distributing rotary shaft mounting frame 304, and the output shaft 315 of distributing rotary shaft drive servo motor 305 is connected with distributing rotary shaft 311, and distributing rotary shaft mounting frame 304, distributing rotary shaft 311 and distributing rotary shaft drive servo motor 305 form distributing mechanism, realize the one -by -one distribution output of explosive cartridge 301 stored in bin, and explosive cartridge embedding groove 312 is set on the arc outer side of shaft body of distributing rotary shaft 311 with equal interval radian, and the size of explosive cartridge embedding groove 312 is matched with explosive cartridge 301, and U -shaped material groove 307 is hung below distributing rotary shaft 311, and explosive cartridge push cylinder 306 is set at the rear end U -shaped mouth of U -shaped material groove 307, and conveying pipe 316 is connected at the front end U -shaped mouth of U -shaped material groove 307, and pneumatic charging machine 317 is connected on the front end port of conveying pipe 316, and after distributing rotary shaft 311 step -by -step distributes explosive cartridge 301 and conveys to U -shaped material groove 307, explosive cartridge push cylinder 306 pushes explosive cartridge 301 to pneumatic charging machine 317, and finally pneumatic charging machine 317 loads explosive cartridge 301 into blasting hole one by one.

[0062] The vertical surface of the front side of the front shaft end of distributing rotary shaft 311 is provided with connecting shaft hole 313, the vertical surface of the rear side of the rear shaft end of distributing rotary shaft 311 is provided with support shaft through shaft hole, and support shaft seat 314 is arranged on the rear end frame in distributing rotary shaft mounting frame 304; the output shaft 315 of distributing rotary shaft drive servo motor 305 is connected with connecting shaft hole 313, and support shaft seat 314 is movably arranged in support shaft through shaft hole, under the drive of distributing rotary shaft drive servo motor 305, distributing rotary shaft 311 rotates in distributing rotary shaft mounting frame 304, and explosive cartridge 301 stored in bin is separated one by one and is conveyed into U -shaped material groove 307; cartridge push disc 308 is connected on the output shaft of explosive cartridge push cylinder 306, cartridge push disc 308 is arranged in U -shaped material groove 307, and U -shaped material groove 307 is hung below distributing rotary shaft mounting frame 304 through two connecting plates 310.

[0063] Between the upper port of the U-shaped receiving groove 307 and the lower port of the installation frame 304 of the distributing rotating shaft, the left and right arc-shaped blocking plates 318 and 319 are respectively arranged to prevent the phenomenon of explosive charge roll 301 stacking from occurring on the distributing rotating shaft 311; the vertical partition plates 320 are arranged in the front bin body 302 at intervals, and the gap 322 is arranged between the bottom end of the vertical partition plate 320 and the bottom plate of the front bin body 302; the inclined guide plate 321 is connected to the lower end of the first vertical partition plate 324 in the front bin body 302, and the first partition bin 323 on the left side of the first vertical partition plate 324 is empty, that is, no explosive charge roll 301 is placed in the first partition bin 323, so as to ensure the smooth operation of the distributing rotating shaft 311.

[0064] The second set of distributing and feeding mechanism 325 is connected to the rectangular discharge port of the rear bin body 322, and the structure of the second set of distributing and feeding mechanism 325 is completely same as that of the distributing and feeding mechanism connected to the rectangular discharge port 303 of the front bin body 302. The second set of distributing and feeding mechanism 325 is connected to the second pneumatic charging machine 317 through the second conveying pipe 326. The two sets of bin bodies and the distributing and feeding mechanisms meet the requirement of the amount of explosive charge roll on the blasting face.

[0065] The working method of the automatic distributing and feeding mechanism of the explosive charge roll in the intelligent charging system, characterized in that it comprises the following steps:

[0066] Firstly, the explosive charge rolls 301 are horizontally placed in the front bin body 302 in the front and rear directions, and the front bin body 302 is filled with explosive charge rolls 301 except the first partition bin 323;

[0067] Secondly, the explosive charge rolls 301 at the bottom of the second partition bin on the right side of the first vertical partition plate 324 are fed into the first explosive charge roll embedding groove 312 below the inclined guide plate 321 through the inclined guide plate 321;

[0068] Thirdly, the distributing rotating shaft driving servo motor 305 is controlled to start, so that the distributing rotating shaft 311 is stepwise counterclockwise rotated. When the second explosive charge roll embedding groove 312 is aligned with the discharge port below the inclined guide plate 321, the distributing rotating shaft driving servo motor 305 is stopped.

[0069] Fourthly, the second explosive charge roll 301 is fed into the second explosive charge roll embedding groove 312 through the discharge port below the inclined guide plate 321;

[0070] Fifth step, the second time control distribution of material rotating shaft drive servo motor 305 start, make distribution of material rotating shaft 311 stepwise anticlockwise rotation, when the third explosive roll embedded groove 312 aligns under the inclined guide plate 321 discharge port, distribution of material rotating shaft drive servo motor 305 stop rotation;

[0071] Sixth step, the third explosive roll 301 through the inclined guide plate 321 under the discharge port into the third explosive roll embedded groove 312;

[0072] Seventh step, repeat the above steps, make explosive roll embedded groove 312 on the left half of the arc surface of distribution of material rotating shaft 311 explosive roll 301 are loaded from explosive roll, so as to realize the distribution of explosive roll 301;

[0073] Eighth step, when the first explosive roll embedded groove 312 rotates to the U-shaped material receiving groove 307 directly above, the first explosive roll 301 fall into the U-shaped material receiving groove 307;

[0074] Ninth step, start explosive roll push cylinder 306, explosive roll push cylinder 306 output shaft extension, roll push disk 308 will fall into the U-shaped material receiving groove 307 first explosive roll 301 forward push out;

[0075] Tenth step, the first explosive roll 301 is pushed out through the conveying pipe 316 into the pneumatic charging machine 317, realizes the automatic feeding of pneumatic charging machine 317.

[0076] Eleventh step, when the first explosive roll 301 is pushed out, control explosive roll push cylinder 306, explosive roll push cylinder 306 output shaft retraction;

[0077] Twelfth step, control distribution of material rotating shaft drive servo motor 305 stepwise rotation again, make the second explosive roll embedded groove 312 rotates to the U-shaped material receiving groove 307 directly above, the second explosive roll 301 fall into the U-shaped material receiving groove 307;

[0078] So the cycle, realize the explosive roll 301 in the stock bin is distributed into the explosive roll embedded groove 312 of distribution of material rotating shaft 311 one by one, and in turn is conveyed to the U-shaped material receiving groove 307, then is automatically fed to the pneumatic charging machine 317.

Claims

1. A tunneling blasting intelligent charging system based on a centering trolley, comprising a blasting rock face (402), a centering trolley (404), a detonator storage box (102), a front stock bin box (302) storing explosive cartridges, and a pneumatic charging machine (317), wherein the blasting rock face (402) has drilled blasting holes (403), the centering trolley (404) is provided with a centering trolley cantilever (405), and the detonator storage box (102) stores detonators (101); the detonator storage box (102) is placed on the front side of the blasting rock face (402), and the front stock bin box (302) and the pneumatic charging machine (317) are placed on the trolley body of the centering trolley (404), characterized in that, The mechanical arm (406) is provided at the outer side end of the arch trolley cantilever (405), holds the medicine taking tube (401) in the mechanical arm (406), and the other end of the medicine taking tube (401) is connected with the output port of the pneumatic charging machine (317), and the input port of the pneumatic charging machine (317) is connected with the front magazine box body (302) storing the explosive charge (301).

2. The arch trolley-based tunneling blasting intelligent charging system according to claim 1, characterized in that, The first row of driven sprocket (111), the second row of driven sprocket (112), the driving sprocket (113), the first reversing sprocket (114) and the second reversing and tensioning sprocket (115) are arranged in the detonator storage box (102) respectively, the sprocket shafts of the sprockets are arranged between the rear vertical plate (116) and the front vertical plate (117) of the detonator storage box (102), one end of the annular closed chain (107) passes through the driving sprocket (113), the first reversing sprocket (114) and the second reversing and tensioning sprocket (115) in sequence, then passes through the second row of driven sprocket (112) and the first row of driven sprocket (111) alternately in the right-to-left direction, and then returns to the driving sprocket (113) to form a chain serpentine arrangement structure; the driving servo motor (121) of the annular closed chain (107) is arranged on the rear vertical plate (116), the output shaft of the driving servo motor (121) is connected with the sprocket shaft of the driving sprocket (113); the serpentine through hole (118) corresponding to the annular closed chain (107) arranged in a serpentine shape and the U-shaped through hole (137) are arranged on the front vertical plate (117) respectively, and the serpentine through hole (118) and the U-shaped through hole (137) form a closed annular channel after being communicated, a pair of limiting steps (119) are arranged on the inner side surface of the front vertical plate (117) on both sides of the serpentine through hole (118) and on the inner side surface of the front vertical plate (117) on both sides of the U-shaped through hole (137); the U-shaped clamping seat (108) is arranged on the annular closed chain (107) at equal intervals, the cantilever cartridge (109) is connected to the U-shaped clamping seat (108), the cantilever tube (110) is connected to another U-shaped clamping seat adjacent to the cantilever cartridge (109), and the cantilever cartridge (109) and the cantilever tube (110) are arranged alternately at intervals on the annular closed chain (107); the outer side end of the cantilever cartridge (109) is cantilevered in front of the front vertical plate (117) after passing through the serpentine through hole (118), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the detonator (101) is movably inserted into the cantilever cartridge (109), the detonator (101) is movably inserted into the cantilever tube (110), the 3. The arch trolley based tunneling blasting intelligent charging system according to claim 2, characterized in that, The piston (123) is movably arranged in the inner cavity of the cantilever pipe (110), a pair of long strip through holes (124) are arranged on the outer sidewall of the cantilever pipe (110), a pair of piston driving cantilever rods (125) are arranged on the piston (123), the piston driving cantilever rods (125) are arranged outside the cantilever pipe (110) after passing through the long strip through holes (124), the pull spring fixing pin (126) is arranged on the outer end of the cantilever pipe (110), the pull spring (127) is connected between the pull spring fixing pin (126) and the piston (123), and the pull spring (127) is arranged in the inner cavity of the cantilever pipe (110); the lower line disc (122) of the spool reel rack (104) is abutted on the two piston driving cantilever rods (125), the upper line disc (105) of the spool reel rack (104) is limited by the front side vertical plate (117) and compressed backward, and is arranged in the detonating charge cartridge storage box (102); and the pull spring (127) is in a stretched state.

4. The arch trolley-based tunneling blasting intelligent charging system according to claim 2 or 3, characterized in that, The inclined chute (128) of the spool reel rack (104) is arranged below the left of the notch (120), the pop-down baffle of the spool reel rack (104) is arranged on the front side vertical plate (117) on the right side of the notch (120), the long strip gap groove (129) is arranged on the barrel wall of the cantilever cartridge (109), the limiting half ring (130) is arranged in the middle of the long strip gap groove (129), the outer end of the cantilever cartridge (109) is in a horn shape, the detonating cord (103) led out from the bottom end of the detonating charge cartridge (101) is led out from the limiting half ring (130) after the cantilever cartridge (109) is led out, and then is wound on the spool reel rack (104); the isolation plate connecting pin shaft (138) is arranged between the two first row driven sprockets (111), the second row driven sprocket (112) is arranged directly below the isolation plate connecting pin shaft (138), and the vertical chain isolation plate (139) is arranged between the isolation plate connecting pin shaft (138) and the sprocket shaft of the second row driven sprocket (112).

5. The arch trolley based tunneling blasting intelligent charging system according to claim 1, characterized in that, The detonating charge cartridge (101) and the spool reel rack (104) are arranged in the detonating charge cartridge storage box (102), the terminal box (106) is arranged on the outer vertical surface of the upper line disc (105) of the spool reel rack (104), the rotating sleeve is movably sleeved on the central shaft pipe of the spool reel rack (104), the electronic detonator is pre-embedded in the detonating charge cartridge (101), the detonating cord (103) of the electronic detonator is wound on the rotating sleeve of the spool reel rack (104) after being led out of the detonating charge cartridge (101), and the outer end of the detonating cord (103) is connected with the terminal box (106).

6. The arch trolley based tunneling blasting intelligent charging system according to claim 1 or 2 or 3, characterized in that, The pneumatic machine support (209) of the pneumatic charging machine (317) is provided with a charging airflow delivery main pipe (201), the pneumatic machine support (209) outside the charging airflow delivery main pipe (201) is provided with a compressed air access pipe (210), the left end port of the charging airflow delivery main pipe (201) is communicated with a rear conical cavity (202), the left end port of the rear conical cavity (202) is communicated with a feeding port cylinder (204), the right end port of the charging airflow delivery main pipe (201) is communicated with a front conical cavity (203), the right end port of the front conical cavity (203) is communicated with a discharging port cylinder (205), the right end port of the discharging port cylinder (205) is connected with a conveying hose (206), the cavity wall of the front conical cavity (203) is provided with a compressed air first air inlet (208), the cavity wall of the rear conical cavity (202) is provided with a compressed air second air inlet (207), the outer side wall of the charging airflow delivery main pipe (201) is connected with a compressed air switch valve (215), the normally closed contact (222) on the compressed air switch valve (215) is arranged in the pipe cavity of the charging airflow delivery main pipe (201) after penetrating through the outer side wall of the charging airflow delivery main pipe (201), the valve body input port (216), the valve body first output port (217) and the valve body second output port (218) are respectively arranged on the compressed air switch valve (215); when the normally closed contact (222) is not touched, the valve body second output port (218) is in a closed state, at this time, the compressed air entering the compressed air switch valve (215) is output from the valve body first output port (217); when the normally closed contact (222) is touched, the valve body second output port (218) is in an open state, the compressed air entering the compressed air switch valve (215) is respectively output from the valve body first output port (217) and the valve body second output port (218); the compressed air access pipe (210) is connected to the valve body input port (216), the compressed air second delivery pipe (220) is connected between the valve body second output port (218) and the compressed air second air inlet (207), and the compressed air first delivery pipe (219) is connected between the valve body first output port (217) and the compressed air first air inlet (208); the one-way flap valve (221) is arranged at the connection position between the feeding port cylinder (204) and the rear conical cavity (202), and the one-way flap valve (221) can only be flipped to the inside of the rear conical cavity (202).

7. The arch trolley based tunneling blasting intelligent charging system according to claim 6, characterized in that, The normally closed contact control air pipe (223) is connected between the compressed air access pipe (210) and the normally closed contact control port of the compressed air switch valve (215), and the compressed air in the compressed air access pipe (210) enters the compressed air switch valve (215) through the normally closed contact control air pipe (223), so that the normally closed contact (222) is in a normally closed state through air pressure.

8. The arch trolley based tunneling blasting intelligent charging system according to claim 1, characterized in that, The front stock bin box body (302) is provided with an inclined bottom plate, a rectangular discharge port (303) is arranged at the lowest part of the inclined bottom plate, a stock distribution rotating shaft mounting frame (304) is connected below the rectangular discharge port (303), a stock distribution rotating shaft (311) is movably mounted in the stock distribution rotating shaft mounting frame (304), a stock distribution rotating shaft driving servo motor (305) is arranged on the rear side vertical surface of the stock distribution rotating shaft mounting frame (304), the output shaft (315) of the stock distribution rotating shaft driving servo motor (305) is connected with the stock distribution rotating shaft (311), explosive roll embedding grooves (312) are arranged on the arc-shaped outer side surface of the stock distribution rotating shaft (311) at equal intervals, a U-shaped material receiving groove (307) is hung below the stock distribution rotating shaft (311), an explosive roll pushing cylinder (306) is arranged at the U-shaped port of the rear end of the U-shaped material receiving groove (307), a conveying pipe (316) is connected at the U-shaped port of the front end of the U-shaped material receiving groove (307), and a pneumatic charging machine (317) is connected to the front end port of the conveying pipe (316).

9. The arch trolley based tunneling blasting intelligent charging system according to claim 8, characterized in that, A connecting shaft hole (313) is arranged on the front side vertical surface of the front shaft end of the stock distribution rotating shaft (311), a supporting shaft penetrating shaft hole is arranged on the rear side vertical surface of the rear shaft end of the stock distribution rotating shaft (311), and a supporting shaft seat (314) is arranged on the rear end frame in the stock distribution rotating shaft mounting frame (304); the output shaft (315) of the stock distribution rotating shaft driving servo motor (305) is connected with the connecting shaft hole (313), and the supporting shaft seat (314) is movably arranged in the supporting shaft penetrating shaft hole; an explosive roll pushing disc (308) is connected to the output shaft of the explosive roll pushing cylinder (306), the explosive roll pushing disc (308) is arranged in the U-shaped material receiving groove (307), and the U-shaped material receiving groove (307) is hung below the stock distribution rotating shaft mounting frame (304) by two connecting plates (310).

Images