Charging device for mining blasting

Abstract

The explosive charging device comprises an explosive charging barrel, a plurality of guide rods are installed at the bottom of the explosive charging barrel at equal intervals, an explosive feeding barrel is fixedly installed at the bottom of a sliding block on the guide rods, and an explosive passing pipe is communicated between the explosive charging barrel and the explosive feeding barrel. The top of the inner wall of the medicine feeding cylinder is fixedly connected with a compaction block through a telescopic cylinder, a driving mechanism for the medicine feeding cylinder to move is further fixedly installed on the outer side of the medicine loading cylinder, the driving mechanism comprises a connecting shell, the connecting shell is fixedly installed on the outer side of the medicine loading cylinder, and a screw rod is rotationally connected to the connecting shell. The explosive charging device for mining blasting is reasonable in structural design and convenient to use, the explosive adding position can be rapidly adjusted according to the distance between shot holes to be filled with explosives, and therefore the application range of the explosive charging device is effectively widened, after the explosives are added into the shot holes, the explosives can be compacted, the blasting quality can be improved, and the good using effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining blasting technical field, concretely is a kind of charging device for mining blasting. BACKGROUND

[0002] In mining engineering, the way of fixed-point blasting is often used to make mine roadway continuously extend forward, and the common blasting method is mostly perforation blasting, that is, blast hole is set or drilled in the predetermined position in mine, then explosive is filled into blast hole, and finally blasting is carried out, and the way of installing explosive in blasting hole includes continuous charging and interval charging. Interval charging reduces the peak pressure of explosion shock wave, reduces the over-crushing of rock around blast hole, can prolong the action time of shock wave, and reduces the movement of rock in corresponding resistance line. Therefore, interval charging is widely used in mine.

[0003] According to the search, a charging device for mining blasting is disclosed in patent document CN202420495643.7, which includes a charging barrel and an auger, the charging barrel is a hollow tubular structure with one end open, during use, the explosive is filled into the charging barrel, the charging barrel is inserted into the blast hole, the auger is rotated, the explosive is slowly pushed forward along the axial direction of the charging barrel, finally, the explosive leaks out of the blast hole through the charging hole, since the charging holes are uniformly arrayed along the axial direction of the charging barrel, the explosive can be uniformly arranged in the blast hole along the axial line of the blast hole at a constant interval, so that the explosive can be blasted in the expected way.

[0004] The patent fills the explosive in the blast hole through the charging hole, but the relative position of the charging hole is fixed, and the spacing of the blast hole is different in actual blasting operation, so that the patent does not have a high application range, and after filling the explosive into the blast hole, the compaction of the explosive cannot be realized, which will affect the blasting quality to some extent, therefore, a charging device for mining blasting is proposed to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a charging device for mining blasting to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a charging device for mining blasting, comprising a charging barrel, a plurality of guide rods are equidistantly installed at the bottom of the charging barrel, a sliding block on the guide rod is fixedly installed with a charging barrel, a charging barrel and a charging barrel are communicated with a medicine pipe, a compacting block is fixedly connected to the top of the inner wall of the charging barrel through a telescopic cylinder, and a driving mechanism for moving the charging barrel is further fixedly installed on the outer side of the charging barrel.

[0007] Furthermore, the driving mechanism includes a connecting shell, which is fixedly installed on the outside of the drug delivery cylinder. A screw is rotatably connected to the connecting shell, and a movable block is threaded along the axial direction on the screw. The bottom of the movable block is welded to the drug delivery cylinder through a connecting frame.

[0008] Furthermore, the top of the connecting shell is provided with a rotating handle, one end of which extends into the connecting shell and is fixedly connected to a driving bevel gear, and one end of the screw located in the connecting shell is fixedly connected to a driven bevel gear that cooperates with the driving bevel gear.

[0009] Furthermore, a bearing seat is fixedly installed on the outside of the charging cartridge, and one end of the screw extends into the bearing seat and is movably connected thereto.

[0010] Furthermore, the drug delivery tube includes a first rigid tube, a corrugated tube, and a second rigid tube. The two ends of the corrugated tube are respectively connected to the first rigid tube and the second rigid tube. The first rigid tube is fixedly connected to the drug loading cylinder, and the second rigid tube is fixedly connected to the drug delivery cylinder.

[0011] Furthermore, a stepper motor is fixedly installed at one end of the drug loading cylinder, the output shaft of the stepper motor extends into the inside of the drug loading cylinder, a auger plate is fixedly connected to the surface of the stepper motor output shaft located inside the drug loading cylinder, and a drug addition hopper is fixedly connected to the top of the drug loading cylinder and the side corresponding to the stepper motor.

[0012] Furthermore, both ends of the charge cartridge are welded with positioning support plates via connecting rods.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention allows for adjustment of the charge cylinder position based on the spacing of the blast holes to be filled with explosives. Rotating the rotating handle causes the driving bevel gear to rotate, which in turn drives the screw to rotate. A movable block threaded onto the screw, connected to the screw, can move the charge cylinder under the connection of the connecting frame and with the limiting guidance of the guide rod and slider, thus adjusting its position. After adjusting the positions of multiple charge cylinders sequentially, explosives are added to the charge cylinders through the charging hopper. When the stepper motor is turned on, its output shaft drives the auger plate to rotate, achieving explosive delivery. The explosives can enter the charge cylinders through the charging pipe and fill the blast holes. The compaction block is moved vertically downwards by the telescopic cylinder, thus compacting the explosives. This mining blasting charging device has a reasonable structural design and is easy to use. It allows for rapid adjustment of the charging position based on the spacing of the blast holes to be filled with explosives, effectively improving the applicability of the charging device. Furthermore, it can compact the explosives after they are added to the blast holes, which is beneficial for improving blasting quality and has good performance. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional view of the structure of the medicine delivery tube of this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the medicine delivery cylinder and drive mechanism of this utility model;

[0018] Figure 4 This is a cross-sectional view of the connecting shell of this utility model;

[0019] Figure 5 This is a partial structural cross-sectional view of the charge cartridge of this utility model.

[0020] In the diagram: 1. Drug loading cylinder, 2. Guide rod, 3. Slider, 4. Drug delivery cylinder, 5. Drug passage tube, 51. First rigid tube, 52. Corrugated pipe, 53. Second rigid tube, 6. Telescopic cylinder, 7. Compactor block, 8. Drive mechanism, 81. Connecting shell, 82. Screw, 83. Movable block, 84. Connecting frame, 85. Rotating handle, 86. Driving bevel gear, 87. Driven bevel gear, 88. Bearing seat, 9. Stepper motor, 10. Screw plate, 11. Drug dosing hopper, 12. Positioning support plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5 A charging device for mining blasting includes a charging cylinder 1. Both ends of the charging cylinder 1 are welded with positioning support plates 12 via connecting rods. Components such as telescopic rods that drive the cylinder vertically can be installed at the bottom of the positioning support plates 12. The device is mounted on a blasting machine, and the height of the charging cylinder 1 can be adjusted according to the position of the blast hole. Several guide rods 2 are equidistantly installed at the bottom of the charging cylinder 1. A feed cylinder 4 is fixedly installed at the bottom of a slider 3 on each guide rod 2. The horizontal position of the feed cylinder 4 can be adjusted according to the distance between two adjacent blast holes. The position allows for rapid filling of explosives. A propellant pipe 5 connects the charging cartridge 1 and the delivery cartridge 4, allowing the explosives in the charging cartridge 1 to be transported to the delivery cartridge 4 for further filling into the borehole. A compaction block 7 is fixedly connected to the top of the inner wall of the delivery cartridge 4 via a telescopic cylinder 6. After the explosives are filled into the borehole, the telescopic cylinder 6 drives the compaction block 7 to move, thereby compacting the explosives and improving the blasting quality. A drive mechanism 8 for moving the delivery cartridge 4 is also fixedly installed on the outside of the charging cartridge 1.

[0023] The drive mechanism 8 includes a connecting shell 81, which is fixedly installed on the outside of the drug delivery cartridge 1. A screw 82 is rotatably connected to the connecting shell 81. A movable block 83 is threaded along the axial direction on the screw 82. The bottom of the movable block 83 is welded to the drug delivery cartridge 4 through a connecting frame 84. A rotating handle 85 is provided on the top of the connecting shell 81. One end of the rotating handle 85 extends into the connecting shell 81 and is fixedly connected to a driving bevel gear 86. One end of the screw 82 located in the connecting shell 81 is fixedly connected to a driven bevel gear 87 that cooperates with the driving bevel gear 86. A bearing seat 88 is also fixedly installed on the outside of the drug delivery cartridge 1. One end of the screw 82 extends into the bearing seat 88 and is movably connected to it. The bearing seat 88 can connect and support the end of the screw 82, thereby improving its stability during rotation.

[0024] The propellant tube 5 includes a first rigid tube 51, a corrugated tube 52, and a second rigid tube 53. The two ends of the corrugated tube 52 are respectively connected to the first rigid tube 51 and the second rigid tube 53. The first rigid tube 51 is fixedly connected to the charging cartridge 1, and the second rigid tube 53 is fixedly connected to the delivery cartridge 4. The corrugated tube 52 allows the delivery cartridge 4 to provide explosive delivery even when it moves horizontally. A valve can be installed on the first rigid tube 51. When the explosive in the borehole corresponding to the delivery cartridge 4 is filled, the valve can be closed to avoid unnecessary continuous delivery of explosive.

[0025] A stepper motor 9 is fixedly installed at one end of the charging cylinder 1. The output shaft of the stepper motor 9 extends into the inside of the charging cylinder 1. A auger plate 10 is fixedly connected to the surface of the output shaft of the stepper motor 9 located inside the charging cylinder 1. A charging hopper 11 is fixedly connected to the top of the charging cylinder 1 and the side corresponding to the stepper motor 9. The stepper motor 9 drives the auger plate 10 to rotate, thereby realizing the continuous delivery of explosives.

[0026] This mining blasting charging device has a reasonable structural design and is easy to use. It can quickly adjust the charging position according to the spacing of the blast holes to be added, thereby effectively improving the applicability of the charging device. In addition, it can compact the explosives after they are added into the blast holes, which is conducive to improving the blasting quality and has a good performance.

[0027] In use, the position of the delivery cylinder 4 can be adjusted according to the spacing of the blast holes where explosives are added. After rotating the rotating handle 85, the driving bevel gear 86 drives the driven bevel gear 87 to rotate, which in turn drives the screw 82 to rotate. The movable block 83, which is threaded onto it, can move the delivery cylinder 4 under the connection of the connecting frame 84 and with the limiting guidance of the guide rod 2 and the slider 3, thereby adjusting the position of the delivery cylinder 4. After adjusting the position of multiple delivery cylinders 4 in sequence, explosives are added into the charging cylinder 1 through the charging hopper 11. After the stepper motor 9 is turned on, its output shaft drives the auger plate 10 to rotate, realizing the delivery of explosives. The explosives can enter the delivery cylinder 4 through the charging pipe 5 and fill the blast holes. The compaction block 7 is moved vertically downward by the telescopic cylinder 6, thereby realizing the compaction of the explosives.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A charging device for mining blasting, comprising a charging cylinder (1), characterized in that: Several guide rods (2) are equidistantly installed at the bottom of the drug loading cylinder (1). A drug delivery cylinder (4) is fixedly installed at the bottom of the slider (3) on the guide rod (2). A drug passage pipe (5) is connected between the drug loading cylinder (1) and the drug delivery cylinder (4). A compaction block (7) is fixedly connected to the top of the inner wall of the drug delivery cylinder (4) through a telescopic cylinder (6). A drive mechanism (8) for moving the drug delivery cylinder (4) is also fixedly installed on the outside of the drug loading cylinder (1).

2. The charging device for mining blasting according to claim 1, characterized in that: The drive mechanism (8) includes a connecting shell (81), which is fixedly installed on the outside of the drug delivery cylinder (1). A screw (82) is rotatably connected to the connecting shell (81), and a movable block (83) is threaded along the axial direction on the screw (82). The bottom of the movable block (83) is welded to the drug delivery cylinder (4) through a connecting frame (84).

3. A charging device for mining blasting according to claim 2, characterized in that: The top of the connecting shell (81) is provided with a rotating handle (85), one end of which extends into the connecting shell (81) and is fixedly connected to a driving bevel gear (86). One end of the screw (82) located in the connecting shell (81) is fixedly connected to a driven bevel gear (87) that cooperates with the driving bevel gear (86).

4. A charging device for mining blasting according to claim 3, characterized in that: A bearing seat (88) is also fixedly installed on the outside of the charging cylinder (1), and one end of the screw (82) extends into the bearing seat (88) and is movably connected to it.

5. A charging device for mining blasting according to claim 4, characterized in that: The drug delivery tube (5) includes a first rigid tube (51), a corrugated tube (52), and a second rigid tube (53). The two ends of the corrugated tube (52) are respectively connected to the first rigid tube (51) and the second rigid tube (53). The first rigid tube (51) is fixedly connected to the drug loading cylinder (1), and the second rigid tube (53) is fixedly connected to the drug delivery cylinder (4).

6. A charging device for mining blasting according to claim 5, characterized in that: A stepper motor (9) is fixedly installed at one end of the medicine loading cylinder (1). The output shaft of the stepper motor (9) extends into the inside of the medicine loading cylinder (1). A auger plate (10) is fixedly connected to the surface of the output shaft of the stepper motor (9) located inside the medicine loading cylinder (1). A medicine addition hopper (11) is fixedly connected to the top of the medicine loading cylinder (1) and to one side corresponding to the stepper motor (9).

7. A charging device for mining blasting according to claim 6, characterized in that: Both ends of the charge cartridge (1) are welded with positioning support plates (12) via connecting rods.

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