CN213021272U - Multi-functional big gun hole explosive isolation protector of strip mine - Google Patents

Abstract

The utility model provides a multi-functional big gun hole explosive isolation protector of strip mine, the device main part of constituteing including isolating device and fixing device, the device main part passes through the pipeline and is connected with aerating device, isolating device sets up in fixing device's top, isolating device is used for loading the explosive, fixing device is used for being fixed in big gun hole inner wall with isolation protector, fixing device is including installing in the pivot of isolating device bottom, evenly be equipped with umbelliform support foot in the pivot, every support foot's end is equipped with fixed foot. The utility model discloses simple structure, reasonable in design solves open pit mine unexpected circumstances such as big gun hole "plugged hole", "ponding", "gush water", "explosive is revealed", "explosive spontaneous combustion" appear at the in-process of drilling powder charge, in time keeps apart and protect the big gun hole in putting into the big gun hole with this device after drilling finishes, reduces unexpected circumstances and appears making powder charge detonation process ability normal clear.

Description

Multi-functional big gun hole explosive isolation protector of strip mine

Technical Field

The utility model belongs to the open-pit mining field specifically is a multi-functional big gun hole explosive isolation protector of open-pit mine.

Background

The non-coal open pit mine is mostly mined by bench blasting, and the bench blasting method needs to be carried out by charging and detonating after blasting holes are punched on the bench. Since the drilling and charging processes are not continuous in the conventional process, various accidents often occur during the period from the completion of the blast hole to the charging. If the hole is drilled, water accumulation or blockage in the blast hole is easily caused by weather such as heavy rain, strong wind and the like, when the limestone ore with the characteristic karst landform is mined, the blasting effect is influenced because the explosive in the blast hole falls into the karst cave due to the development of the underground karst cave, the water burst influence charging can occur in the blast hole when a stratum with certain underground water development is mined, and the spontaneous combustion of the explosive in the blast hole can be caused by the sulfur-containing ore when the certain sulfur-containing ore is mined. Unexpected conditions such as hole blocking, water burst, medicine leakage, spontaneous combustion and the like not only can waste drilling and further influence the production efficiency and the economic benefit of the mine, but also can bring huge potential safety hazards to the mine. Therefore, a device capable of effectively isolating and protecting the blast hole explosive is urgently needed, so that the production efficiency of the mine is improved, unnecessary economic loss is reduced, and potential safety hazards are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to above-mentioned prior art, the utility model provides a multi-functional big gun hole explosive isolation protector of strip mine solves the in-process of strip mine at the drilling powder charge and appears the unexpected circumstances such as big gun hole "plugged hole", "ponding", "gush water", "the explosive is revealed", "explosive spontaneous combustion", in time keeps apart and protect the big gun hole in putting into the big gun hole with this device after drilling finishes, reduces unexpected circumstances and appears making powder charge detonation process ability normal clear.

The utility model provides a technical scheme: the utility model provides a multi-functional big gun hole explosive isolation protector of strip mine, includes the device main part that isolating device and fixing device constitute, the device main part passes through the pipeline and is connected with aerating device, isolating device sets up in fixing device's top, isolating device is used for loading the explosive, fixing device is used for being fixed in the big gun hole inner wall with isolation protector, fixing device is including installing in the pivot of isolating device bottom, the week side of pivot evenly is equipped with the support that is the rib type enough, every terminal that supports the foot is equipped with the fixed foot that is used for with the conflict of big gun hole inner wall.

Further, the inflation device comprises an air pump and a pressurizing air bottle, an inflation pipeline is arranged on the pressurizing air bottle, and the inflation pipeline comprises a first inflation pipe for inflating the fixing device and a second inflation pipe for inflating the isolating device.

Further, a main shaft is arranged below the rotating shaft, an air chamber is arranged outside the main shaft, a pneumatic piston sleeved on the main shaft is arranged in the air chamber, two ends of the pneumatic piston are connected with connecting rods, the bottoms of the connecting rods on two sides are connected with pneumatic sliding blocks, and the peripheral sides of the pneumatic sliding blocks are connected with the side faces of each supporting foot in the shape of an umbrella rib.

Further, the first gas-filled tube delivers gas into the gas chamber of the fixture.

Furthermore, the isolating device is a barrel-shaped air bag and is made of polystyrene materials.

Further, the outer surface of each fixed foot is provided with a friction material layer for preventing sliding.

Further, the supporting feet are made of PVC plastics.

After drilling is completed, the device main body is placed into a blast hole, after the fixing device descends to a proper position in the blast hole, the fixing device is inflated through the inflation tube, high-pressure gas pushes the pneumatic sliding block, the pneumatic sliding block can drive the supporting foot to be unfolded, the fixing foot is abutted to the inside of the blast hole, the device is preliminarily fixed in the blast hole, the isolating device is further inflated through a second inflation pipeline, a hollow thin barrel-shaped air bag connected with the fixing device can be formed after the isolating device is inflated, and then the open pit mine blast hole explosive can be isolated and protected by filling the air into the thin barrel-shaped air bag.

The utility model provides an unexpected condition such as big gun hole "stifled hole", "ponding", "gush water", "the explosive is revealed", "explosive spontaneous combustion" appear in the in-process of open pit ore filling in drilling, in time keep apart and protect the big gun hole in putting into the big gun hole with this device after drilling finishes, reduce unexpected condition and appear making the explosive filling detonating technology can normally go on. Meanwhile, the device can be used as a spacer in an interval charging process in mine blasting, and can also be used as a blocking medium in uncoupled charging in smooth blasting, so that unnecessary economic loss of a mine can be effectively reduced, and meanwhile, the potential safety hazard of a detonating link can be reduced, and the overall economic benefit of the mine can be improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view showing the internal structure of the fixing device;

FIG. 4 is a schematic view of the present invention in operation;

FIG. 5 is a flow chart of a method of use of the present invention;

in the figure: 1-isolation device, 2-blast hole inner wall, 3-rotating shaft, 4-supporting foot, 5-fixing foot, 6-air pump, 7-pressurized air cylinder, 8-first inflation tube, 9-second inflation tube, 10-main shaft, 11-air chamber, 12-pneumatic piston, 13-connecting rod, 14-pneumatic slide block, 15-friction material layer, 16-karst cave, 17-ground.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The multifunctional isolating and protecting device for the blast hole explosives in the strip mine, which is shown in the figures 1-4, comprises a device main body consisting of an isolating device 1 and a fixing device, wherein the device main body is connected with an inflating device through a pipeline, the isolating device 1 is arranged above the fixing device, the isolating device 1 is used for filling explosives, the fixing device is used for fixing the isolating device on an inner wall 2 of the blast hole, the fixing device comprises a rotating shaft 3 arranged at the bottom of the isolating device 1, supporting feet 4 in umbrella rib shapes are uniformly arranged on the peripheral side of the rotating shaft 3, and the tail end of each supporting foot 4 is provided with a fixing foot 5 which is used for abutting against the inner wall 2 of the blast hole.

The inflating device comprises an air pump 6 and a pressurizing air bottle 7, an inflating pipeline is arranged on the pressurizing air bottle 7 and comprises a first inflating pipe 8 for inflating the fixing device and a second inflating pipe 9 for inflating the isolating device 1.

A main shaft 10 is arranged below the rotating shaft 3, an air chamber 11 is arranged outside the main shaft 10, a pneumatic piston 12 sleeved on the main shaft 10 is arranged in the air chamber 11, two ends of the pneumatic piston 12 are connected with connecting rods 13, the bottoms of the connecting rods 13 on two sides are connected with pneumatic sliding blocks 14, and the peripheral sides of the pneumatic sliding blocks 14 are connected with the side faces of each supporting foot 4 in the shape of an umbrella rib.

The first gas-filled tube 8 delivers gas into the gas chamber 11 of the fixture. The isolating device 1 is a barrel-shaped air bag and is made of polystyrene materials. The outer surface of each fixed foot 5 is provided with a layer 15 of friction material that prevents slipping. The supporting feet 4 are made of PVC plastic.

The invention is suitable for various unexpected situations and can be flexibly selected according to the actual requirements on site, when the device is used, the device main body is placed into a blast hole after drilling is finished, after a fixing device descends to a proper position in the blast hole, the fixing device is inflated through a first inflation tube, high-pressure gas filled into an air chamber pushes a pneumatic piston to move upwards along a main shaft, the piston drives a connecting rod and a pneumatic slider to move together, the further pneumatic slider drives a supporting foot to prop open, so that the fixing foot is abutted against the inner wall of the blast hole, the fixing device is fixed on the inner wall of the blast hole, the isolating device is further inflated through a second inflation tube, a hollow thinner barrel-shaped air bag connected with the fixing device is formed after the isolating device is inflated, and explosives are loaded into the thinner barrel-shaped structure in the subsequent explosive loading process, so that the effect of isolating the explosives from the inner wall of the blast hole is achieved, the thin barrel-shaped air bag can effectively isolate underground water from flowing into a blast hole, can also play a role in isolating the inner wall of the blast hole from explosives, can prevent the explosives from spontaneously combusting in mining sulfur-containing ores, and can effectively prevent the explosives from leaking in mines with karst cave development. Due to the special structure of the umbrella-bone-shaped supporting foot and the gravity action of the explosive filled in the blast hole, the fixing foot is clamped on the inner wall of the blast hole to prevent the explosive from sliding in the blast hole.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a protector is kept apart to multi-functional big gun hole explosive of strip mine which characterized in that: the device comprises a device main body consisting of an isolating device (1) and a fixing device, wherein the device main body is connected with an inflating device through a pipeline, the isolating device (1) is arranged above the fixing device, the isolating device (1) is used for filling explosives, the fixing device is used for fixing the isolating device on an inner wall (2) of a blast hole, the fixing device comprises a rotating shaft (3) arranged at the bottom of the isolating device (1), the circumferential side of the rotating shaft (3) is uniformly provided with supporting feet (4) in an umbrella rib shape, and each end supporting the feet (4) is provided with a fixing foot (5) which is used for being collided with the inner wall (2) of the blast hole.

2. The multi-functional big gun hole explosive isolation and protection device of strip mine according to claim 1, characterized in that: the inflating device comprises an air pump (6) and a pressurizing air bottle (7), an inflating pipeline is arranged on the pressurizing air bottle (7), and the inflating pipeline comprises a first inflating pipe (8) for inflating the fixing device and a second inflating pipe (9) for inflating the isolating device (1).

3. The multi-functional big gun hole explosive isolation and protection device of strip mine according to claim 1, characterized in that: the utility model discloses a pneumatic umbrella, including pivot (3), main shaft (10) are equipped with in the below of pivot (3), the main shaft (10) outside is provided with air chamber (11), be equipped with pneumatic piston (12) of suit on main shaft (10) in air chamber (11), the both ends and connecting rod (13) of pneumatic piston (12) are connected, and the bottom and the pneumatic slider (14) of both sides connecting rod (13) are connected, the week side of pneumatic slider (14) is connected with the side that is every support foot (4) of rib type.

4. The multi-functional big gun hole explosive isolation and protection device of strip mine according to claim 2, characterized in that: the first gas-filled tube (8) conveys gas into a gas chamber (11) of the fixing device.

5. The multi-functional big gun hole explosive isolation and protection device of strip mine according to claim 1, characterized in that: the isolating device (1) is a barrel-shaped air bag and is made of polystyrene materials.

6. The multi-functional big gun hole explosive isolation and protection device of strip mine according to claim 1, characterized in that: the outer surface of each fixed foot (5) is provided with a layer (15) of friction material preventing slipping.

7. The multi-functional big gun hole explosive isolation and protection device of strip mine according to claim 1, characterized in that: the supporting feet (4) are made of PVC plastic.

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