Spacer for mine blasting

Abstract

The utility model relates to the field of mine blasting, and discloses a spacer for mine blasting, which comprises a storage disc, a balancing weight is arranged at the lower end of the storage disc, a threaded column is fixedly connected to the center of the lower inner wall of the storage disc, a bag is arranged in the storage disc, and a gas tank is arranged at the upper part in the bag. A threaded sleeve is arranged at the center of the lower end face of the gas tank, a connecting rope is arranged at the opening and closing position of the gas tank, the upper end face of the connecting rope is fixedly connected to the position, close to one side, of the center of the inner wall of the bag, a connecting base is fixedly connected to the center of the upper end face of the bag, and a pulling rope is fixedly connected to the center of the upper end face of the gas tank. The upper end of the traction rope penetrates through the lower end face of the connecting base to the upper end of the connecting base, and an exhaust structure is arranged on the other side of the center of the upper end face of the bag. According to the gas tank, gas is exhausted out of the bag through the exhaust structure, the traction rope is fixed to the center of the upper end face of the gas tank, and the bag is prevented from being abraded due to inclination during lowering.

Description

Technical Field

[0001] The utility model relates to the field of mine blasting, in particular to a spacer for mine blasting. Background Art

[0002] In the process of mining, for larger mining geographical environments, blasting is often used to dredge designated areas, while for deep hole blasting in open-pit mine blasting projects, spacers are often used to separate the gunpowder to achieve the desired blasting effect.

[0003] During use, the existing spacers for mine blasting inevitably cause friction between the bag and the blasting hole due to weight imbalance, which easily leads to the bag rupture. Therefore, those skilled in the art provide a spacer for mine blasting to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a spacer for mine blasting is proposed, which connects the gas tank and the storage tray by threading a threaded sleeve at the lower end of the gas tank on a threaded column, and then is fixed to the center position of the upper end surface of the gas tank by a traction rope, and a counterweight is fixed to the center of the lower end surface of the storage tray, so that the traction rope is located in the center position when lowering to prevent tilting during the lowering process, and then is protected by the storage tray to prevent the bag from being damaged due to friction between the bag and the blasting hole.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spacer for mine blasting, comprising a storage tray, a counterweight block is provided at the lower end of the storage tray, a threaded column is fixedly connected to the center of the lower inner wall of the storage tray, a bladder is provided inside the storage tray, a gas tank is provided at the upper part of the bladder, a threaded sleeve is provided at the center of the lower end face of the gas tank, a connecting rope is provided at the switch position of the gas tank, the upper end face of the connecting rope is fixedly connected to the center of the upper inner wall of the bladder at one side, a connecting seat is fixedly connected to the center of the upper end face of the bladder, a traction rope is fixedly connected to the center of the upper end face of the gas tank, the upper end of the traction rope passes through the lower end face of the connecting seat to the upper end of the connecting seat, and an exhaust structure is provided at the center of the upper end face of the bladder at the other side;

[0006] Through the above technical solution, excess gas is discharged from the bag through the exhaust structure and fixed to the center of the upper end surface of the gas tank through a traction rope to prevent it from tilting during the lowering process, causing friction between the bag and the blasting hole, and causing wear of the bag.

[0007] Further, the exhaust structure includes an air nozzle and a plug, the air nozzle is arranged on the upper end surface of the bag, and the end thereof passes through the upper end surface of the bag and reaches the upper inner wall of the bag, the plug is arranged on the upper end surface of the air nozzle, and the end thereof is slidably connected to the upper part of the inside of the air nozzle;

[0008] Through the above technical solution, it is convenient to discharge the air inside the bag by opening the plug before and after use.

[0009] Furthermore, a pull rope is provided on the upper end surface of the bag at the upper end of the connecting rope;

[0010] Through the above technical solution, it is convenient for the pulling rope to drive the connecting rope to pull the switch of the gas tank to deflate.

[0011] Furthermore, the storage tray is in the shape of a disc, and the material of the storage tray is explosion-resistant steel;

[0012] Through the above technical solution, the disc shape is convenient for storing bags and gas tanks, and the explosion-resistant steel can withstand greater impact and is convenient for recycling.

[0013] Furthermore, the lower end of the bag is arranged inside the threaded sleeve, and the threaded sleeve is threadedly sleeved on the upper end of the threaded column;

[0014] The above technical solution makes it easy to connect the bladder, the gas tank and the storage tray.

[0015] Furthermore, the traction rope is fixedly connected to the connecting seat;

[0016] Through the above technical solution, it is convenient to pull the gas tank through the traction rope while driving the bag to prevent the bag from being damaged.

[0017] Furthermore, a steel wire rope is provided on the upper end surface of the counterweight block, and the upper end of the steel wire rope is fixedly connected to the center of the lower end surface of the storage tray;

[0018] Through the above technical solution, the counterweight block is connected to the lower end surface of the storage tray through a steel wire rope, so that the weight is in a central position, reducing the possibility of deviation when lowering.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, the spacer for mine blasting is threadedly sleeved on the threaded column through the threaded sleeve at the lower end of the gas tank to connect the gas tank and the storage tray, and then fixed to the center position of the upper end surface of the gas tank by a traction rope, and the counterweight is fixed to the center of the lower end surface of the storage tray, so that the traction rope is located in the center position when lowering to prevent tilting during the lowering process, and then protected by the storage tray to prevent the friction between the bag and the blasting hole from causing damage to the bag.

[0021] 2. In the utility model, an air nozzle is provided on the upper end surface of the bag, so that the air inside the bag can be discharged before use, and then the air nozzle is blocked by a plug to prevent the air from entering again, so that the bag is wrapped on the gas tank, so that the friction between the bag and the blasting hole is reduced during the lowering process.

[0022] 3. In the present invention, the storage tray prevents the bag from being worn and broken, and the explosion-proof steel storage tray can withstand the impact caused by the explosion, so that the storage tray can be recycled before and after use, thereby reducing cost consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a spacer for mine blasting proposed by the utility model;

[0024] Figure 2 A three-dimensional diagram of another state of a spacer for mine blasting proposed by the utility model;

[0025] Figure 3 This is a three-dimensional cross-sectional view of a spacer for mine blasting proposed by the utility model;

[0026] Figure 4 for Figure 3 A magnified schematic diagram of center A.

[0027] Legend:

[0028] 1. Storage tray; 2. Counterweight; 3. Exhaust structure; 301. Air nozzle; 302. Plug; 4. Connecting seat; 5. Towing rope; 6. Pull rope; 7. Bag; 8. Gas tank; 9. Threaded column; 10. Threaded sleeve; 11. Connecting rope. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-4The utility model provides an embodiment: a spacer for mine blasting, including a storage tray 1, a counterweight block 2 is provided at the lower end of the storage tray 1, a threaded column 9 is fixedly connected to the center of the lower inner wall of the storage tray 1, a bag 7 is provided inside the storage tray 1, a gas tank 8 is provided at the upper part of the bag 7, a threaded sleeve 10 is provided at the center of the lower end face of the gas tank 8, a connecting rope 11 is provided at the switch position of the gas tank 8, the switch of the gas tank 8 is opened by the connecting rope 11, and the upper end face of the connecting rope 11 is fixedly connected to the center of the upper inner wall of the bag 7 On the side, a connecting seat 4 is fixedly connected to the center of the upper end surface of the bag 7, and a traction rope 5 is fixedly connected to the center of the upper end surface of the gas tank 8. The upper end of the traction rope 5 passes through the lower end surface of the connecting seat 4 and reaches the upper end of the connecting seat 4. It is fixed to the center of the upper end surface of the gas tank 8 through the traction rope 5 to prevent it from tilting during the lowering process, which causes friction between the bag 7 and the blasting hole and wear of the bag 7. An exhaust structure 3 is provided at the other side of the center of the upper end surface of the bag 7, and excess gas is discharged from the bag 7 through the exhaust structure 3.

[0031] The exhaust structure 3 includes an air nozzle 301 and a plug 302. The air nozzle 301 is arranged on the upper end surface of the bag 7, and the end thereof passes through the upper end surface of the bag 7 and reaches the upper inner wall of the bag 7. The plug 302 is arranged on the upper end surface of the air nozzle 301, and the end thereof is slidably connected to the upper part of the inside of the air nozzle 301, so that the air inside the bag 7 can be discharged conveniently by opening the plug 302 before and after use.

[0032] A pulling rope 6 is provided on the upper end surface of the bag 7 at the upper end of the connecting rope 11, which is convenient for the pulling rope 6 to drive the connecting rope 11 to pull the switch of the gas tank 8 to deflate. The storage tray 1 is in the shape of a disc, and the material of the storage tray 1 is explosion-proof steel. The disc shape is convenient for storing the bag 7 and the gas tank 8. The explosion-proof steel can withstand a large impact and is convenient for recycling and use. The lower end of the bag 7 is arranged inside the threaded sleeve 10, and the threaded sleeve 10 is threadedly sleeved on the upper end of the threaded column 9, which is convenient for connecting the bag 7, the gas tank 8 and the storage tray 1. The traction rope 5 and the connecting seat 4 are fixedly connected, which is convenient for driving the bag 7 while pulling the gas tank 8 by the traction rope 5 to prevent the bag 7 from being damaged. A steel wire rope is provided on the upper end surface of the counterweight block 2, and the upper end of the steel wire rope is fixedly connected to the center of the lower end surface of the storage tray 1. The counterweight block 2 is connected to the lower end surface of the storage tray 1 through the steel wire rope, so that the weight is in the center position, reducing the possibility of displacement during lowering.

[0033] Working principle: By setting an air nozzle 301 on the upper end surface of the bag 7, it is convenient to discharge the air inside the bag 7 before use, and then the air nozzle 301 is blocked by the plug 302 to prevent air from entering again, so that the bag 7 is wrapped on the gas tank 8, so that the friction between the gas tank 8 and the blasting hole is reduced during the lowering process, and the gas tank 8 and the storage tray 1 are connected by the threaded sleeve 10 at the lower end of the gas tank 8 being threaded on the threaded column 9, and then the traction rope 5 is fixed to the center position of the upper end surface of the gas tank 8, and the counterweight block 2 is fixed at the center of the lower end surface of the storage tray 1, so that the traction rope 5 is located in the center position during lowering to prevent tilting during the lowering process, and then the storage tray 1 is used for protection to prevent the friction between the bag 7 and the blasting hole from causing damage to the bag 7. While the storage tray 1 prevents the bag 7 from being worn and broken, the explosion-resistant steel storage tray 1 can withstand the impact generated when the explosion occurs, so that the storage tray 1 can be recycled before and after use to reduce cost consumption.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spacer for mine blasting, comprising a storage tray (1), characterized in that: A counterweight block (2) is provided at the lower end of the storage tray (1); a threaded column (9) is fixedly connected at the center of the lower inner wall of the storage tray (1); a bag (7) is provided inside the storage tray (1); a gas tank (8) is provided at the upper part of the bag (7); a threaded sleeve (10) is provided at the center of the lower end surface of the gas tank (8); a connecting rope (11) is provided at the switch position of the gas tank (8); the upper end surface of the connecting rope (11) is fixedly connected to the center of the upper inner wall of the bag (7) at one side; a connecting seat (4) is fixedly connected at the center of the upper end surface of the bag (7); a traction rope (5) is fixedly connected at the center of the upper end surface of the gas tank (8); the upper end of the traction rope (5) passes through the lower end surface of the connecting seat (4) and reaches the upper end of the connecting seat (4); an exhaust structure (3) is provided at the center of the upper end surface of the bag (7) at the other side.

2. A spacer for mine blasting according to claim 1, characterized in that: The exhaust structure (3) comprises an air nozzle (301) and a plug (302); the air nozzle (301) is arranged on the upper end surface of the bag (7), and the end thereof passes through the upper end surface of the bag (7) and reaches the upper inner wall of the bag (7); the plug (302) is arranged on the upper end surface of the air nozzle (301), and the end thereof is slidably connected to the upper part of the inside of the air nozzle (301).

3. A spacer for mine blasting according to claim 1, characterized in that: A pulling rope (6) is provided on the upper end surface of the bag (7) at the upper end of the connecting rope (11).

4. A spacer for mine blasting according to claim 1, characterized in that: The storage tray (1) is in the shape of a disk and is made of explosion-resistant steel.

5. A spacer for mine blasting according to claim 1, characterized in that: The lower end of the bag (7) is arranged inside the threaded sleeve (10), and the threaded sleeve (10) is threadedly sleeved on the upper end of the threaded column (9).

6. A spacer for mine blasting according to claim 1, characterized in that: The traction rope (5) is fixedly connected to the connecting seat (4).

7. A spacer for mine blasting according to claim 1, characterized in that: The upper end surface of the counterweight block (2) is provided with a steel wire rope, and the upper end of the steel wire rope is fixedly connected to the center of the lower end surface of the storage tray (1).

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