Automatic distributing and pneumatic feeding mechanism for explosive cartridges

Abstract

The utility model discloses an automatic distributing and pneumatic feeding mechanism for explosive cartridges, which realizes automatic distributing and stepping type automatic feeding of the explosive cartridges, a box bottom plate of a bin box body (2) is an inclined bottom plate, a square-shaped frame (4) provided with a distributing rotating shaft and the distributing rotating shaft (10) are connected below a rectangular discharge port (3), and the rectangular discharge port (3) is provided with a rectangular discharge port (4). An output shaft (14) of a material distribution rotating shaft driving servo motor (7) is connected with the material distribution rotating shaft, explosive cartridge embedding grooves (11) are formed in the arc-shaped outer side face of a shaft body of the material distribution rotating shaft at equal intervals in a radian mode, and a compressed air input port (8) is formed in the rear end of the inner side of a right cross beam (9) of the square-shaped frame (4). An explosive cartridge ejection pipe opening (6) is formed in the front end of the inner side of a right cross beam of the square-shaped frame, and the compressed air input opening is communicated with a compressed air tank (5) through a connecting air pipe; the stepping type automatic material distributing mechanism is ingeniously connected with the explosive cartridge storage bin.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of intelligent charging system of blasting hole in tunnel blasting excavation, in particular to a kind of automatic material distribution and pneumatic feed mechanism of explosive cartridge. BACKGROUND

[0002] In the tunnel blasting excavation construction process, the filling of detonating cartridge and explosive cartridge is the most important link in the whole construction process, and the cartridge filling efficiency and filling quality directly affect the progress of blasting excavation and the construction quality of the whole tunnel; Due to the limitation of tunnel excavation environment, the tunnel blasting explosive generally adopts the form of emulsion explosive cartridge and is filled into the blasting hole on the excavated working face; The detonating cartridge is generally made into a sausage-like form structure, and an electronic detonator is embedded in the detonating cartridge; The lead wire of the electronic detonator is led out of the detonating cartridge and connected with the junction box; The shape of the explosive cartridge is similar to a complete sausage, and only emulsion explosive is coated in the cylindrical coating; The explosive cartridge of each blasting hole is filled by first filling a detonating cartridge at the bottom of the blasting hole, and then the lead wire of the detonator of the detonating cartridge is led out of the blasting hole and connected with the junction box on the working face outside the blasting hole; Then, a plurality of explosive cartridges are sequentially filled to fill the blasting hole with explosive; After the explosive cartridges are filled in all the blasting holes on the blasting working face, the junction boxes at the ends of the lead wires of the detonators of the detonating cartridges are connected to the busbar, and finally, the busbar sends an ignition signal to ignite the explosive filled in the working face, thereby realizing the blasting excavation of the tunnel.

[0003] At present, in the tunnel blasting construction, the explosive cartridge is filled by manual charging method, and the operator works in a high-temperature, high-humidity and high-dust environment; Since the blasting working face is as high as ten meters or more, the operator needs to perform high-intensity explosive filling operation at a high altitude, which has the risk of high-altitude operation; In addition, the construction environment is harsh, and there are defects such as low explosive filling quality, high labor intensity and low charging efficiency; Therefore, how to develop an intelligent charging system has become an urgent problem to be solved in the construction site.

[0004] With the development of robot technology, intelligent robots are used to replace manual charging on site, which has become a topic that the technical personnel in the field are trying to overcome; However, how to realize full-automatic charging of the mechanical charging hand at the blasting working face is a primary problem to be solved, and each blasting hole on the working face needs to be filled with a detonating cartridge and a plurality of explosive cartridges; The filling amount of explosive cartridges is large, and how to effectively separate the explosive cartridges collected together in the explosive cartridge bin and stepwise fill them into the blasting hole to realize full-automatic operation is another difficult problem to be solved by the technical personnel in the field. SUMMARY

[0005] The utility model provides an automatic material distribution and pneumatic feeding mechanism of explosive roll, realizes automatic material distribution and step -by -step automatic feeding of explosive roll.

[0006] The utility model solves the above technical problems through the following technical solutions:

[0007] The utility model discloses the overall concept: development one kind with the step -by -step automatic material distribution mechanism of explosive roll storage bin clever link, and adopt pneumatic transmission mode, will the explosive roll of distribution automatic transmission to pneumatic charging machine, and pneumatic charging machine cooperation, realize the automatic charging filling of explosive roll of blast hole.

[0008] An automatic material distribution and pneumatic feeding mechanism of explosive roll, including box type frame, compressed air gas tank and explosive roll, is erected with the bin body on the box type frame, and the explosive roll is stored in the bin body, and the compressed air gas tank is hung on the lower bottom surface of the bin body, and the bottom plate of the bin body is the inclined bottom plate, and the rectangular discharge port is arranged at the lowest part of the inclined bottom plate, and the mouth-shaped frame of installing the distribution rotating shaft is connected below the rectangular discharge port, and the distribution rotating shaft is movably arranged in the mouth-shaped frame, and the distribution rotating shaft drive servo motor is arranged on the rear side vertical surface of the mouth-shaped frame, and the output shaft of the distribution rotating shaft drive servo motor is connected with the distribution rotating shaft, and the explosive roll embedding groove is arranged on the arc-shaped outer side of the shaft body of the distribution rotating shaft at equal interval radian, and the compressed air input port is arranged on the inner side rear end of the right crossbeam of the mouth-shaped frame, and the explosive roll shooting pipe is arranged on the inner side front end of the right crossbeam of the mouth-shaped frame, and the compressed air input port is communicated with the compressed air gas tank through the connecting air pipe.

[0009] The support shaft seat through hole is arranged on the front side vertical surface of the front shaft end of the distribution rotating shaft, and the motor shaft connecting hole is arranged on the rear side vertical surface of the rear shaft end of the distribution rotating shaft, and the support shaft seat is arranged in the inner side of the front end frame of the mouth-shaped frame; the output shaft of the distribution rotating shaft drive servo motor passes through the mouth-shaped frame and is connected with the motor shaft connecting hole, and the front end of the distribution rotating shaft is movably arranged on the support shaft seat through the support shaft seat through hole.

[0010] The explosive roll baffle is arranged in the bin body above the left side of the rectangular discharge port, and the inclined guide plate is connected to the lower end of the explosive roll baffle, and the explosive roll enters the explosive roll embedding groove on the distribution rotating shaft through the inclined guide plate.

[0011] The arc-shaped supporting plate is connected to the lower end of the mouth-shaped frame; the cylindrical cavity is formed between the explosive roll embedding groove on the most right end of the distribution rotating shaft and the inner side vertical surface of the right crossbeam, and the explosive roll is arranged in the cylindrical cavity.

[0012] The utility model discloses a step -by -step distribution of explosive cartridge is realized through the control servo motor, and through the dynamic cooperation of explosive cartridge embedding groove on the distribution rotary axle and the right crossbeam of the frame of mouth -shape, the path cavity of compressed gas is formed, and the automatic distribution and supply of explosive cartridge are realized through the cooperation of compressed air. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure schematic diagram of the discharge port of the utility model;

[0015] Figure 3 It is the structure schematic diagram of the bunker box 2 of the utility model;

[0016] Figure 4 It is the structure schematic diagram of the distribution mechanism of the utility model;

[0017] Figure 5 It is the structure schematic diagram of the frame of mouth -shape 4 of the utility model;

[0018] Figure 6 It is the structure schematic diagram of the distribution rotary axle 10 of the utility model. DETAILED DESCRIPTION

[0019] The application is described in detail below in connection with the drawings:

[0020] The utility model provides an automatic distribution and pneumatic feeding mechanism of explosive cartridge, which comprises a box type frame 1, a compressed air tank 5 and explosive cartridges 12, a stock bin box 2 is arranged on the box type frame 1, the explosive cartridges 12 are stored in the stock bin box 2, the explosive cartridges 12 are horizontally stacked in the stock bin box 2 along the front-back direction, the compressed air tank 5 is hung on the lower bottom surface of the stock bin box 2, the compressed air is stored in the compressed air tank 5, the bottom plate of the stock bin box 2 is an inclined bottom plate, a rectangular discharge port 3 is arranged at the lowest part of the inclined bottom plate, a mouth-shaped frame 4 for mounting a distribution rotating shaft is connected below the rectangular discharge port 3, a distribution rotating shaft 10 is movably arranged in the mouth-shaped frame 4, a distribution rotating shaft driving servo motor 7 is arranged on the rear side vertical surface of the mouth-shaped frame 4, the output shaft 14 of the distribution rotating shaft driving servo motor 7 is connected with the distribution rotating shaft 10, explosive cartridge embedding grooves 11 are arranged on the arc-shaped outer side surface of the distribution rotating shaft 10 at equal intervals, the explosive cartridges 12 are distributed into the explosive cartridge embedding grooves 11 one by one through the rectangular discharge port 3, and the distribution of the explosive cartridges 12 is realized by rotating the distribution rotating shaft 10 in a step-by-step manner; a compressed air inlet 8 is arranged at the inner side rear end of the right cross beam 9 of the mouth-shaped frame 4, an explosive cartridge ejection port 6 is arranged at the inner side front end of the right cross beam 9 of the mouth-shaped frame 4, and the compressed air inlet 8 is communicated with the compressed air tank 5 through a connecting air pipe; when the explosive cartridge embedding groove 11 filled with the explosive cartridges 12 rotates to the position opposite to the compressed air inlet 8 and the explosive cartridge ejection port 6, the distribution rotating shaft 10 stops rotating, then the compressed air is connected, the compressed air enters the rear end of the explosive cartridge embedding groove 11 through the compressed air inlet 8, the explosive cartridges 12 are ejected from the explosive cartridge ejection port 6, and the feeding of the explosive cartridges 12 is completed.

[0021] A support shaft seat through hole 15 is arranged on the front side vertical surface of the front shaft end of the distribution rotating shaft 10, a motor shaft connecting hole is arranged on the rear side vertical surface of the rear shaft end of the distribution rotating shaft 10, and a support shaft seat 13 is arranged on the inner side of the front end frame in the mouth-shaped frame 4; the output shaft 14 of the distribution rotating shaft driving servo motor 7 passes through the mouth-shaped frame 4 and is connected with the motor shaft connecting hole, and the front end of the distribution rotating shaft 10 is movably arranged on the support shaft seat 13 through the support shaft seat through hole 15; the distribution rotating shaft driving servo motor 7 drives the distribution rotating shaft 10 to rotate freely in the mouth-shaped frame 4.

[0022] An explosive cartridge baffle 18 is arranged in the stock bin box 2 above the left side of the rectangular discharge port 3, an inclined guide plate 19 is connected to the lower end of the explosive cartridge baffle 18, and the explosive cartridges 12 enter the explosive cartridge embedding grooves 11 on the distribution rotating shaft 10 through the inclined guide plate 19; the structure design ensures that the explosive cartridges 12 are distributed into the explosive cartridge embedding grooves 11 one by one.

[0023] An arc-shaped supporting plate 16 is connected to the lower end of the mouth-shaped frame 4; a cylindrical cavity 17 is formed between the right horizontal beam 9 and the inner side of the right end of the explosive roll embedding groove 11 of the distributing rotating shaft 10, and an explosive roll 12 is arranged in the cylindrical cavity 17; when the distributing rotating shaft 10 rotates counterclockwise, each explosive roll 12 can be transmitted to the cylindrical cavity 17 and then sent out.

Claims

1. An automatic distribution and pneumatic feeding mechanism of explosive cartridges, comprising a box type frame (1), a compressed air tank (5) and explosive cartridges (12), a cartridge box (2) is arranged on the box type frame (1), the explosive cartridges (12) are stored in the cartridge box (2), the compressed air tank (5) is hung on the lower bottom surface of the cartridge box (2), characterized in that, The bottom plate of the bin body (2) is an inclined bottom plate, a rectangular discharge port (3) is arranged at the lowest part of the inclined bottom plate, a H-shaped frame (4) for mounting a distributing rotating shaft is connected below the rectangular discharge port (3), the distributing rotating shaft (10) is movably arranged in the H-shaped frame (4), a distributing rotating shaft driving servo motor (7) is arranged on the rear side vertical surface of the H-shaped frame (4), the output shaft (14) of the distributing rotating shaft driving servo motor (7) is connected with the distributing rotating shaft (10), the explosive roll embedding grooves (11) are arranged on the arc-shaped outer side surface of the shaft body of the distributing rotating shaft (10) at equal intervals, the compressed air inlet (8) is arranged at the inner side rear end of the right cross beam (9) of the H-shaped frame (4), the explosive roll shooting pipe (6) is arranged at the inner side front end of the right cross beam (9) of the H-shaped frame (4), and the compressed air inlet (8) is communicated with the compressed air tank (5) through the connecting air pipe.

2. The automatic charge dividing and pneumatic feeding mechanism of the explosive cartridge according to claim 1, characterized in that, The support shaft seat penetrating hole (15) is arranged on the front side vertical surface of the front shaft end of the distributing rotating shaft (10), the motor shaft connecting hole is arranged on the rear side vertical surface of the rear shaft end of the distributing rotating shaft (10), and the support shaft seat (13) is arranged on the inner side of the front end frame in the H-shaped frame (4); the output shaft (14) of the distributing rotating shaft driving servo motor (7) penetrates through the H-shaped frame (4) and is connected with the motor shaft connecting hole, and the front end of the distributing rotating shaft (10) is movably arranged on the support shaft seat (13) through the support shaft seat penetrating hole (15).

3. The automatic charge dividing and pneumatic feeding mechanism of the explosive cartridge according to claim 1 or 2, characterized in that, The explosive roll baffle (18) is arranged in the bin body (2) above the left side of the rectangular discharge port (3), the inclined guide plate (19) is connected to the lower end of the explosive roll baffle (18), and the explosive roll (12) enters the explosive roll embedding groove (11) on the distributing rotating shaft (10) through the inclined guide plate (19).

4. The automatic charge dividing and pneumatic feeding mechanism of the explosive cartridge according to claim 3, characterized in that, The arc-shaped supporting plate (16) is connected to the lower end of the H-shaped frame (4); the cylindrical cavity (17) is formed between the rightmost explosive roll embedding groove (11) on the distributing rotating shaft (10) and the inner side vertical surface of the right cross beam (9), and the explosive roll (12) is arranged in the cylindrical cavity (17).

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