Mine blasting charging device

Abstract

The utility model discloses a mine blasting charging device which comprises a charging bottom plate, a front clamping block, a rear clamping block, a push rod and a guide block, the rear clamping block is fixedly connected with one end of the push rod, the other end of the push rod penetrates through a guide hole in the guide block, and a clamping spring in a compressed state is sleeved on the push rod between the rear clamping block and the guide block. A shoulder protruding upwards is arranged at the front end of the charging bottom plate, the explosive bag is placed on the shoulder, the pull wire penetrates through the middle of the reset spring and penetrates through a wire hole in the abutting plate to enter a wiring groove in the bottom of the charging bottom plate, and the other end of the pull wire penetrates through the wiring groove and a wiring hole in the rear end of the charging bottom plate to be fixedly connected with the connecting block. According to the explosive charging device, an explosive package is fed to the bottom of a blast hole, then the pull wire is pulled out, the front clamping block is made to contract, the rear clamping block pushes out the explosive package, then the whole device is pulled out, the explosive is left at the bottom of the blast hole, and the explosive charging device is suitable for the blast holes in different directions and can charge the explosive packages of different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of blasting technology, especially relates to a mine blasting charging device. BACKGROUND

[0002] Blasting is a technology that uses the compression, loosening, destruction, throwing and killing effects of explosive in air, water, soil and rock medium or object to achieve the desired purpose. When the explosive package or charging device explodes in the soil and rock medium or structure, it causes compression, deformation, destruction, loosening and throwing of the soil and rock medium or structure, and is mainly used for earthwork engineering, as well as the demolition of metal buildings and structures. In mining engineering, blasting is widely used as a necessary excavation method. When blasting, it is necessary to fill explosive into the blasting hole. Due to the reasons of terrain and geology, the direction, size and depth of the blasting hole are different, and the amount of explosive filled also changes. The existing charging device has a single function and is difficult to adjust to different directions and sizes of explosive filling. In view of the above problems, the utility model provides a solution. SUMMARY

[0003] The utility model aims at providing a mine blasting charging device.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A mine blasting charging device, comprising a charging bottom plate, a front clamping block, a rear clamping block, a push rod and a guide block, the rear clamping block is fixedly connected with one end of the push rod, the other end of the push rod is arranged through the guide hole on the guide block, the push rod between the rear clamping block and the guide block is sleeved with a clamping spring in a compressed state, the front end of the charging bottom plate is provided with an upwardly protruding shoulder, the explosive package is placed on the shoulder and clamped through the front clamping block and the rear clamping block, the bottom of the front clamping block is installed in a telescopic cavity, and the bottom of the front clamping block is provided with a limiting block, the bottom of the telescopic cavity is provided with a resisting plate, a reset spring in a compressed state is installed between the resisting plate and the front clamping block, the middle position of the bottom of the front clamping block is fixedly connected with one end of a pull wire, the pull wire passes through the middle of the reset spring and the wire hole on the resisting plate and enters the wire running groove in the bottom of the charging bottom plate, and the other end of the pull wire is fixedly connected with a connecting block through the wire running groove and the wire hole at the rear end of the charging bottom plate, the connecting block is arranged at the end of the charging bottom plate.

[0006] Further, the rear clamping block is provided with a lead hole for the lead wire of the explosive package to pass through, which facilitates the wire running of the lead wire. When the charging device is pulled out, the lead wire follows the lead hole to the outside of the blasting hole.

[0007] Further, the wire slot is provided with a fixed pulley, the pull wire is arranged in the wire slot after passing through the fixed pulley, and the fixed pulley can be arranged in plurality, according to the requirement, so as to reduce the friction in the process of pulling the wire.

[0008] Further, the number of the guide blocks is two, the clamping spring is arranged between the rear clamping block and the adjacent guide block, and the two guide blocks are arranged to improve the guiding effect.

[0009] Further, the end of the push rod is provided with a push block, the push block is a circular structure, and the push block is pulled to control the movement of the rear clamping block.

[0010] In conclusion, the utility model has the following beneficial effects: the explosive package is sent to the bottom of the blasting hole, then the pull wire is pulled, the front clamping block is contracted, the rear clamping block pushes the explosive package, then the whole device is pulled out, and the explosive is left in the bottom of the blasting hole, the device is suitable for blasting holes in different directions, and can charge explosive packages of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the overall structure schematic diagram of the utility model;

[0012] Figure 2 It is Figure 1 It is the local enlarged view of A part in the middle;

[0013] Figure 3 It is Figure 1 It is the local enlarged view of B part in the middle.

[0014] In the drawing, 1 is a charging bottom plate, 2 is a front clamping block, 3 is a rear clamping block, 4 is a push rod, 5 is a guide block, 6 is a clamping spring, 7 is an explosive package, 8 is a push block, 9 is a lead hole, 10 is a wire slot, 11 is a pull wire, 12 is a connecting block, 13 is a limiting block, 14 is a reset spring, 15 is a telescopic cavity, 16 is a resisting plate, 17 is a fixed pulley, and 18 is a wire hole. DETAILED DESCRIPTION

[0015] The utility model will be further described in detail in combination with the drawings, and the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0016] As Figures 1-3As shown, a mine blasting device, comprising a charging base plate 1, a front clamp block 2, a rear clamp block 3, a push rod 4 and a guide block 5, the rear clamp block 3 is fixedly connected with one end of the push rod 4, the other end of the push rod 4 is arranged through the guide hole of the guide block 5, the push rod 4 between the rear clamp block 3 and the guide block 5 is sleeved with a clamping spring 6 in a compressed state, the front end of the charging base plate 1 is provided with an upwardly protruding shoulder, the explosive package 7 is placed on the shoulder and clamped through the front clamp block 2 and the rear clamp block 3, the bottom of the front clamp block 2 is installed in the telescopic cavity 15, and the bottom of the front clamp block 2 is provided with a limiting block 13, the bottom of the telescopic cavity 15 is provided with a stop plate 16, the reset spring 14 in a compressed state is installed between the stop plate 16 and the front clamp block 2, the middle position of the bottom of the front clamp block 2 is fixedly connected with one end of the pull wire 11, the pull wire 11 passes through the middle of the reset spring 14 and passes through the wire hole of the stop plate 16 and enters the wire groove 10 at the bottom of the charging base plate 1, the other end of the pull wire 11 is fixedly connected with the connecting block 12 through the wire groove 10 and the wire hole 18 at the rear end of the charging base plate 1, and the connecting block 12 is arranged at the end of the charging base plate 1.

[0017] Further, the rear clamp block 3 is provided with a lead hole 9 for the lead wire of the explosive package to pass through, facilitating the wiring of the lead wire 9, and when the charging device is pulled out, the lead wire follows the lead hole 9 to the outside of the blasting hole.

[0018] Further, as shown in the figure, Figure 2 The wire groove 10 is provided with a fixed pulley 17, and the pull wire 11 is wired in the wire groove 10 after passing around the fixed pulley 17, and the fixed pulley 17 can be provided in plurality, according to the need, to reduce the friction force in the process of pulling the wire.

[0019] Further, as shown in the figure, Figure 1 The number of guide blocks 5 is two, the clamping spring 6 is located between the rear clamp block 3 and the guide block 5 close to it, and two guide blocks 5 are arranged to improve the guiding effect.

[0020] Further, the end of the push rod 4 is provided with a push block 8, the push block 8 is a circular structure, and the movement of the rear clamp block 3 is controlled by pushing and pulling the push block 8.

[0021] Working principle: the explosive package is clamped by the front and rear clamp blocks, the lead wire is pulled out to the outside of the hole through the lead hole, the explosive package is sent to the bottom of the blasting hole through the feeding device, then the pull wire is pulled, the pull wire pulls the front clamp block to extrude the spring, the front clamp block is retracted into the telescopic hole, the rear clamp block pushes the explosive package under the action of the tightening spring, then the whole device is pulled out, and the explosive is left at the bottom of the blasting hole, the device is suitable for blasting holes in different directions, and can charge different sizes of explosive packages.

[0022] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. A person skilled in the art can make a modification without creative contribution according to the need after reading the specification, and as long as the modification is within the scope of the claims of the utility model, the modification is protected by the patent law.

Claims

1. A mine blasting charge device, characterised in that: The device comprises a charge base plate (1), a front clamp block (2), a rear clamp block (3), a push rod (4) and a guide block (5), the rear clamp block (3) is fixedly connected with one end of the push rod (4), the other end of the push rod (4) is arranged through a guide hole of the guide block (5), a clamping spring (6) in a compressed state is sleeved on the push rod (4) between the rear clamp block (3) and the guide block (5), the front end of the charge base plate (1) is provided with an upwardly protruding shoulder, an explosive package (7) is placed on the shoulder and clamped by the front clamp block (2) and the rear clamp block (3), the bottom of the front clamp block (2) is installed in a telescopic cavity (15), the bottom of the front clamp block (2) is provided with a limiting block (13), the bottom of the telescopic cavity (15) is provided with an abutting plate (16), a reset spring (14) in a compressed state is installed between the abutting plate (16) and the front clamp block (2), the bottom of the front clamp block (2) is fixedly connected with one end of a pull wire (11), the pull wire (11) passes through the middle of the reset spring (14) and enters a wire groove (10) at the bottom of the charge base plate (1) through a wire hole of the abutting plate (16), the other end of the pull wire (11) is fixedly connected with a connecting block (12) through the wire groove (10) and a wire hole (18) at the rear end of the charge base plate (1), and the connecting block (12) is arranged at the end of the charge base plate (1).

2. The mine blasting charging device according to claim 1, characterized in that: The rear clamp block (3) is provided with a lead hole (9) for the lead of the explosive package.

3. The mine blasting charging device according to claim 1, characterized in that: A fixed pulley (17) is installed in the wire groove (10), and the pull wire (11) is arranged in the wire groove (10) after passing around the fixed pulley (17).

4. The mine blasting charging device according to claim 1, characterized in that: The number of the guide blocks (5) is two, and the clamping spring (6) is located between the rear clamp block (3) and the guide block (5) close to the rear clamp block (3).

5. The mine blasting charging device according to claim 1, characterized in that: The end of the push rod (4) is provided with a push block (8), and the push block (8) is a circular structure.

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