Low-detonation-velocity explosive filling device

Abstract

The utility model provides a low-detonation-velocity explosive filling device, which relates to the technical field of blasting operation and comprises a filling box, a filling cavity and a filling box, the filling box penetrates through two ends of a long edge of the filling box, is gradually narrowed from an explosive inlet end to an explosive outlet end and is provided with a bundling cavity, an explosive outlet end arranged at the filling cavity and a gap which forms a further narrowed explosive outlet with the filling cavity, and the filling box is provided with an explosive outlet. And the medicine filling box penetrates through the filling cavity, is internally provided with an inner cavity for filling the medicine, and comprises medicine outlet cavities which are uniformly distributed on two sides of the medicine filling box, are communicated with the inner cavity and are used for allowing the medicine to flow to the filling cavity. According to the explosive filling device, the stability degree of explosive filling is improved, the explosive passes through the equally-distributed space containing cavities and is separated from the gaps in the filling box after being formed, the effect that low-speed detonation of the explosive is controlled through the gaps is achieved, the explosive is evenly distributed and is separated from the filling device as much as possible, and the explosive waste situation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blasting operation, specifically, relates to a low -explosive velocity explosive filling device. BACKGROUND

[0002] Low -explosive velocity explosive is widely used in mining, geological exploration and special engineering blasting field because of controllable energy release rate, shock wave attenuation fast and other characteristics. The traditional explosive filling relies on artificial or simple mechanical device, and there are problems such as low efficiency and poor safety. With the development of automation technology, the industry gradually introduces precision metering pump, screw conveying system and other equipment, and realizes the continuous operation of explosive filling through closed loop control. Part of high -end device also integrates temperature compensation and pressure regulating module to adapt to the demand of different environment of the column forming, and the precision of blasting operation is improved.

[0003] The uneven particle size distribution and poor viscoelasticity of explosive material lead to the difficulty of realizing the accurate and stable filling amount of the existing device, and the single initiation energy output fluctuates, and the traditional device lacks real-time monitoring and automatic compensation mechanism, and the gap defect can cause the interruption of the transmission of the explosion chain or the reduction of energy utilization efficiency.

[0004] Therefore, we improve it, and propose a low -explosive velocity explosive filling device. UTILITY MODEL CONTENT

[0005] In order to realize the above-mentioned utility model purposes, the utility model provides a low -explosive velocity explosive filling device to improve the above-mentioned problems.

[0006] The application is as follows:

[0007] It comprises:

[0008] The filling box is filled with the filling box.

[0009] The filling cavity penetrates the long side of the filling box and gradually narrows from the medicine feeding end to the medicine outlet end, and has:

[0010] The convergence cavity is arranged at the medicine outlet end of the filling cavity, and forms a further narrowed medicine outlet gap with the filling cavity.

[0011] The medicine filling box is arranged in the filling cavity, and the inner cavity is provided with a medicine filling cavity, which comprises:

[0012] The medicine outlet cavity is uniformly distributed on both sides of the medicine filling box and is communicated with the inner cavity, and the medicine flows to the filling cavity.

[0013] The elastic sheet is arranged at an angle with the medicine outlet cavity, and the medicine falling on the top of the medicine outlet cavity is received.

[0014] The push rod penetrates the medicine filling box and extends to the inner cavity.

[0015] The extrusion plate is arranged at one end of the push rod in the inner cavity and is pushed by the push rod to extrude the medicine to the medicine outlet cavity.

[0016] When the push rod pushes the medicine between the two adjacent elastic sheets and moves the medicine filling box to the medicine outlet end and is misaligned with the filling box, the elastic sheet in contact with the converging cavity extrudes the medicine with the adjacent elastic sheet and is separated from the misaligned position.

[0017] Preferably, the inclination angle of the elastic sheet gradually increases from the medicine inlet end to the medicine outlet end, the inclination angle difference between adjacent elastic sheets is three to five degrees, and the top edge of each elastic sheet is provided with an arc-shaped guide protrusion, the radius of curvature of the guide protrusion is proportional to the distance between the elastic sheets, so that the volume of the medicine cavity formed between adjacent elastic sheets when the push rod touches the bottom is in an arithmetic progression.

[0018] Preferably, the cross-sectional area of the converging cavity is smaller than the projected area between the two elastic sheets, so that the elastic sheet is in linear contact with the converging cavity when the medicine filling box moves.

[0019] Preferably, the length of the push rod is consistent with the length of the long side of the medicine filling box, and the medicine inlet end of the medicine filling box is funnel-shaped to facilitate the entry of the medicine.

[0020] Preferably, it further comprises:

[0021] The push hand is arranged on the medicine filling box to form a force point for driving the medicine filling box.

[0022] The pull ring is arranged on the filling box.

[0023] Compared with the prior art, the beneficial effects of the present application are:

[0024] In the scheme of the present application:

[0025] In order to solve the problem that the uneven particle size distribution and poor viscoelasticity of explosive material in the prior art cause the existing device to be difficult to realize the precise and stable filling amount, the present application sets the stability of the propelling medicine filling, the medicine is distributed in the space cavity in an equal manner and is separated from the intermediate gap of the filling box after forming, the low-speed initiation effect of the explosive is controlled through the intermediate gap, the explosive is uniformly distributed and separated from the filling device as much as possible, and the waste of the explosive is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A front view of a low-blast-speed explosive filling device provided by the present application;

[0027] Figure 2 A sectional view of a low-blast-speed explosive filling device provided by the present application;

[0028] Figure 3 An enlarged view of A of a low-blast-speed explosive filling device provided by the present application.

[0029] Indicated in the figure:

[0030] 1, filling box; 2, filling cavity; 21, convergence cavity; 3, medicine filling box; 31, medicine outlet cavity; 32, elastic sheet; 321, guide protrusion; 4, push rod; 5, extrusion plate; 6, push handle; 7, pull ring. DETAILED DESCRIPTION

[0031] In order for those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0032] Embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , a low detonation velocity explosive filling device, comprising:

[0033] a filling box 1;

[0034] a filling cavity 2, which is through the two ends of the long side of the filling box 1, gradually narrows from the medicine feeding end to the medicine outlet end, and has:

[0035] a convergence cavity 21, which is arranged at the medicine outlet end of the filling cavity 2 and forms a gap with the filling cavity 2 to further narrow the medicine outlet opening;

[0036] a medicine filling box 3, which is arranged through the filling cavity 2 and has an inner cavity for filling the medicine, and comprises:

[0037] a medicine outlet cavity 31, which is uniformly distributed on both sides of the medicine filling box 3 and is in communication with the inner cavity, and is used for flowing the medicine to the filling cavity 2;

[0038] an elastic sheet 32, which is arranged at an angle with the medicine outlet cavity 31 and receives the medicine falling on the top of the medicine outlet cavity 31;

[0039] a push rod 4, which is arranged through the medicine filling box 3 and extends to the inner cavity;

[0040] an extrusion plate 5, which is arranged at one end of the push rod 4 in the inner cavity and is pushed by the push rod 4 to extrude the medicine to move to the medicine outlet cavity 31;

[0041] When the push rod 4 pushes the medicine to be located between the two adjacent elastic sheets 32 and moves the medicine filling box 3 to the medicine outlet end and is dislocated with the filling box 1, the elastic sheet 32 in contact with the convergence cavity 21 and the adjacent elastic sheet 32 extrude the medicine to form and fall out from the dislocation;

[0042] When the filling box 1 is aligned with the chamber to be filled, the pusher 6 is turned to a convenient holding state, and the medicine filling box 3 is pushed towards the chamber, at this time the push rod 4 first contacts the bottom of the chamber and contacts it, at this time the medicine is filled from the opening position of the medicine filling box 3, the medicine is accumulated in the medicine filling box 3, the medicine flows through the lowermost medicine outlet cavity 31 as the explosive base, and the push rod 4 is pressed to cause the pressing plate 5 to cover the lowermost medicine outlet cavity 31, so that the lowermost medicine outlet cavity 31 is blocked by the pressing plate 5, and the lowest surface of the medicine changes with the advancement of the pressing plate 5, and the medicine is uniformly dispersed in the space formed by each bullet 32 during the process, and the other hand holds the pull ring 7, causing the filling box 1 and the medicine filling box 3 to gradually separate and eventually misalign.

[0043] Then during the misalignment process, the bullet 32 contacts the collection cavity 21 and scrapes off the medicine inside the filling cavity 2 and extrudes it from the inside, and because the bullet 32 contacting the collection cavity 21 is close to the bullet 32 above it and extrudes the medicine into a shape, and after the bullet 32 is extruded from the filling box 1, the extruded medicine is evenly distributed inside the chamber, so that the transmission rate of the explosive is affected by the interval to produce a secondary speed reduction, so that the explosion effect of the explosive is convenient for exploration.

[0044] The inclination angle of the bullet 32 increases gradually from the medicine inlet end to the medicine outlet end, the inclination angle difference between adjacent bullets 32 is three to five degrees, and the top edge of each bullet 32 is provided with an arc-shaped guide protrusion 321, the radius of curvature of the arc-shaped guide protrusion 321 is proportional to the distance between the bullets 32, so that when the push rod 4 touches the bottom, the medicine cavity volume formed between adjacent bullets 32 decreases in equal difference, and the arc-shaped guide protrusion 321 guides the medicine to flow uniformly along the curved surface when the push rod 4 touches the bottom, avoiding the accumulation or jamming of the medicine caused by the right-angle edge.

[0045] The cross-sectional area of the collection cavity 21 is smaller than the projection area between two bullets 32, so that the bullet 32 makes line contact with the collection cavity 21 when the medicine filling box 3 moves, so that the bullet 32 can take out the residue on the collection cavity 21 after being extruded into the collection cavity 21, avoiding waste, and at the same time, the elastic recovery of the collection cavity 21 after being extruded by the bullet 32 shakes out the medicine residue from the filling box 1.

[0046] The length of the push rod 4 is consistent with the length of the long side of the medicine filling box 3, and the medicine inlet end of the medicine filling box 3 is funnel-shaped to facilitate the entry of the medicine.

[0047] Further comprising:

[0048] The pusher 6 is arranged on the medicine filling box 3 to form a force point for driving the medicine filling box 3;

[0049] The pull ring 7 is arranged on the filling box 1 to facilitate hand support, thereby producing a pushing and braking effect.

[0050] The technical scope of the utility model is not only limited to the content in the above description, and the person skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A low-explosive-velocity explosive filling device, characterized in that, include: Filler box (1); The filling cavity (2) extends through both ends of the long side of the filling box (1), gradually narrowing from the inlet end to the outlet end, and has the following characteristics: The converging cavity (21) is located at the drug outlet end of the filling cavity (2), forming a gap with the filling cavity (2) to further narrow the drug outlet. A medicine filling box (3) is provided with the filling cavity (2) and has an inner cavity for filling medicine, including: The medicine outlet cavity (31) is evenly distributed on both sides of the medicine filling box (3) and communicates with the inner cavity to allow the medicine to flow to the filling cavity (2); The shrapnel (32) is set at an angle to the discharge chamber (31) to receive the medicine falling from the discharge chamber (31) at its top; The push rod (4) passes through the medicine box (3) and extends into the inner cavity; The extrusion plate (5) is located at one end of the push rod (4) in the inner cavity and is pushed by the push rod (4) to extrude the medicine material to move towards the medicine outlet (31); When the push rod (4) touches the bottom and pushes the medicine between two adjacent spring pieces (32), and pushes the medicine box (3) to move towards the medicine outlet and misaligns with the filling box (1), the spring piece (32) in contact with the collection cavity (21) and the adjacent spring piece (32) squeeze the medicine into shape and detach it from the misalignment.

2. The low-explosive velocity explosive filling device according to claim 1, characterized in that, The tilt angle of the spring (32) increases gradually from the inlet end to the outlet end. The tilt angle difference between adjacent springs (32) is three to five degrees. Each spring (32) has an arc-shaped guide protrusion (321) at its top edge. The radius of the arc of the guide protrusion (321) is proportional to the distance between the springs (32), so that when the push rod (4) touches the bottom, the volume of the medicine cavity formed between adjacent springs (32) decreases at equal rates.

3. A low-explosive velocity explosive filling device according to claim 2, characterized in that, The cross-sectional area of ​​the receiving cavity (21) is smaller than the projected area between the two spring pieces (32), so that the spring pieces (32) make line contact with the receiving cavity (21) when the medicine box (3) moves.

4. A low-explosive velocity explosive filling device according to claim 3, characterized in that, The length of the push rod (4) is the same as the length of the long side of the medicine box (3), and the medicine inlet end of the medicine box (3) is funnel-shaped to facilitate the entry of medicine.

5. A low-explosive velocity explosive filling device according to claim 4, characterized in that, Also includes: A pusher (6) is set on the medicine box (3) to form a force-bearing point for the transmission medicine box (3); A pull ring (7) is provided on the filling box (1).

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