CN220853345U - Limestone mine blasting device - Google Patents
Limestone mine blasting device Download PDFInfo
- Publication number
- CN220853345U CN220853345U CN202322781261.9U CN202322781261U CN220853345U CN 220853345 U CN220853345 U CN 220853345U CN 202322781261 U CN202322781261 U CN 202322781261U CN 220853345 U CN220853345 U CN 220853345U
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- CN
- China
- Prior art keywords
- cracking
- cracking tube
- fixedly connected
- tube
- wall
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- 238000005422 blasting Methods 0.000 title claims abstract description 24
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 16
- 239000006028 limestone Substances 0.000 title claims abstract description 16
- 238000005336 cracking Methods 0.000 claims abstract description 69
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000003999 initiator Substances 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model discloses a limestone mine blasting device, and relates to the technical field of mine blasting; the device comprises a cracking tube, wherein detonating cord connecting pipes are symmetrically arranged on the top surface of the cracking tube, the detonating cord connecting pipes are connected with detonators through detonating cords, the upper part of the cracking tube is provided with an air injection port, and the air injection port is communicated with the cracking tube; the outer wall of the cracking tube is provided with a plurality of protection components, the protection components are used for preventing the cracking tube from colliding with the inner wall of the drilling hole, the outer wall of the cracking tube is fixedly connected with two lifting lugs, the lifting lugs are detachably connected with lifting hooks, the lifting hooks are fixedly connected with slings, and the lower part of the cracking tube is provided with a plurality of air leakage ports. The falling speed of the cracking pipe can be controlled through the sling, so that the bottom of the cracking pipe can stably fall into the bottom of a drilling hole; in the process of dropping the cracking tube, the cracking tube can be prevented from being collided with the inner wall of the drill hole through the collision of the protection assembly and the inner wall of the drill hole, and the integrity of the cracking tube is effectively protected.
Description
Technical Field
The utility model relates to the technical field of mine blasting, in particular to a limestone mine blasting device.
Background
In recent years, explosives are increasingly used, for mine blasting, as gas is safer than explosives, the explosives are not civil blasting products, transportation, storage and use do not need examination and approval, destructive vibration and shortwave do not exist in the blasting process, the proportion of flying dust is reduced, the influence on the surrounding environment is not great, the application of carbon dioxide blasting is also more and more extensive, but at present, a cracking pipe is usually directly put into a blasting borehole, and as the top of the cracking pipe is connected with a detonating cord, when the cracking pipe is put into the borehole, the cracking pipe can quickly descend to the bottom of the borehole along the borehole, at the moment, the outer wall of the cracking pipe can collide with the inner wall of the borehole to cause the breakage of the cracking pipe, and meanwhile, the rapid descent of the cracking pipe causes friction between the detonating cord and the top surface of the borehole, so that the breakage or fracture of the detonating cord is caused; therefore, there is a need for a limestone mine blasting apparatus that can reduce the rate of lowering the cracking tube and prevent the outer wall of the cracking tube from colliding with the inner wall of the borehole.
Disclosure of utility model
The utility model aims to provide a limestone mine blasting device which aims to solve the problems existing in the prior art.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a limestone mine blasting device which comprises a cracking pipe, wherein detonating cord connecting pipes are symmetrically arranged on the top surface of the cracking pipe, the detonating cord connecting pipes are connected with detonators through detonating cords, the upper part of the cracking pipe is provided with an air injection port, and the air injection port is communicated with the cracking pipe; install a plurality of protection subassembly on the outer wall of the pipe that splits, protection subassembly is used for preventing the pipe that splits produces with the inner wall of drilling collides with, the outer wall fixedly connected with two lugs of the pipe that splits, the lug can be dismantled and be connected with the lifting hook, lifting hook fixedly connected with hoist cable, a plurality of gas vent has been seted up to the lower part of the pipe that splits.
Preferably, the two detonating cord connecting pipes are fixedly connected and communicated with the cracking pipe.
Preferably, the protection component comprises an arc-shaped plate, a plurality of telescopic parts are arranged between the arc-shaped plate and the cracking tube, and the telescopic parts are positioned in the same plane and are arranged in parallel.
Preferably, the bottom surface of the arc plate is provided with an inclined surface.
Preferably, the telescopic part comprises a fixed column, one end of the fixed column is fixedly connected with the cracking tube, a round hole is formed in the other end of the fixed column, a movable column is connected in the round hole in a sliding mode, one end of the movable column, which extends out of the round hole, is fixedly connected with the arc-shaped plate, springs are sleeved on the outer sides of the fixed column and the movable column, and two ends of each spring are fixedly connected with the arc-shaped plate and the cracking tube respectively.
Preferably, a limiting cavity is formed in the round hole, a movable disc is connected in the limiting cavity in a sliding mode, and one end of the movable column extending into the limiting cavity is fixedly connected with the movable disc.
Preferably, the inner diameter of the round hole is not larger than the diameter in the limiting cavity.
Preferably, the outer diameter of the lifting lug is not larger than the length of the fixing column.
The utility model discloses the following technical effects:
According to the utility model, the lifting hook is hooked on the lifting lug, the descending speed of the cracking pipe can be controlled through the sling, so that the bottom of the cracking pipe can stably drop into the bottom of a drilling hole; in the process of dropping the cracking tube, the cracking tube can be prevented from being collided with the inner wall of the drill hole through the collision of the protection assembly and the inner wall of the drill hole, and the integrity of the cracking tube is effectively protected.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of an arcuate plate of the present utility model;
FIG. 3 is a schematic cross-sectional view of a fixing column according to the present utility model
Wherein, 1, a cracking tube; 2. a detonating cord connection tube; 3. lifting lugs; 4. an arc-shaped plate; 5. a spring; 6. fixing the column; 7. a movable column; 8. an air injection port; 9. an air vent; 10. a movable disc.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, the utility model discloses a limestone mine blasting device, which comprises a cracking tube 1, wherein detonating cord connecting pipes 2 are symmetrically arranged on the top surface of the cracking tube 1, the detonating cord connecting pipes 2 are connected with detonators through detonators, gas injection ports 8 are formed in the upper parts of the cracking tube 1, and the gas injection ports 8 are communicated with the cracking tube 1; the outer wall of the cracking tube 1 is provided with a plurality of protection components, the protection components are used for preventing the cracking tube 1 from colliding with the inner wall of a drilled hole, the outer wall of the cracking tube 1 is fixedly connected with two lifting lugs 3, the lifting lugs 3 are detachably connected with lifting hooks, the lifting hooks are fixedly connected with slings, and the lower part of the cracking tube 1 is provided with a plurality of air leakage ports 9.
According to the utility model, the lifting hook is hooked on the lifting lug 3, the descending speed of the cracking pipe 1 can be controlled through the sling, and the bottom of the cracking pipe 1 can stably drop into the bottom of a drilling hole; in the process that the cracking tube 1 falls, the cracking tube 1 can be prevented from colliding with the inner wall of the drill hole through collision of the protection component and the inner wall of the drill hole, and the integrity of the cracking tube 1 is effectively protected.
Further optimizing scheme, two detonating cord connecting pipes 2 are fixedly connected and communicated with the cracking pipe 1. One detonating cord connection tube 2 is connected to the positive electrode of the initiator through a detonating cord, and the other detonating cord connection tube 2 is connected to the negative electrode of the initiator through a detonating cord.
Further optimizing scheme, protection component includes arc 4, is provided with a plurality of telescopic portion between arc 4 and the pipe 1 that splits, and a plurality of telescopic portion is in the coplanar and parallel arrangement each other. The arc plate 4 is provided with a gap, so that the arc plate 4 can be close to or far from the cracking tube 1 through the telescopic part.
Further optimizing scheme, the inclined plane has been seted up to the bottom surface of arc 4. The arc-shaped plate 4 can be prevented from sliding along the inner wall of the drill hole due to the protrusion of the inner wall of the drill hole through the inclined plane.
Further optimizing scheme, the telescopic part includes fixed column 6, and the round hole has been seted up to the one end of fixed column 6 and the other end of causing split tube 1 fixed connection, and the round hole sliding connection has movable column 7, and the one end and the arc 4 fixed connection of round hole are stretched out to movable column 7, and the outside of fixed column 6, movable column 7 all overlaps and is equipped with spring 5, and the both ends of spring 5 are respectively with arc 4, cause split tube 1 fixed connection. The arc-shaped plate 4 can move after colliding with the inner wall of the drill hole through the elastic force of the spring 5, so that the arc-shaped plate 4 can resist the force generated by collision, the cracking tube 1 can move in a circular ring surrounded by a plurality of arc-shaped plates 4, and the collision between the cracking tube 1 and the inner wall of the drill hole is effectively avoided.
According to the further optimization scheme, a limiting cavity is formed in the round hole, a movable disc 10 is slidably connected in the limiting cavity, and one end of the movable column 7 extending into the limiting cavity is fixedly connected with the movable disc 10. The length of the movable column 7 extending out can be limited through the movable disc 10, so that the movable column 7 is prevented from extending out of the fixed column 6 completely.
Further optimizing scheme, the internal diameter of round hole is not greater than the diameter in the spacing intracavity. So that the movable disc 10 can only move in the limiting cavity.
Further optimizing scheme, the external diameter of lug 3 is not greater than the length of fixed column 6. The side of the lifting lug 3 away from the cracking tube 1 does not collide with the inner wall of the drill hole.
The working process comprises the following steps: the high-pressure carbon dioxide gas can be filled into the cracking tube 1 through the gas injection port 8, the lifting hook is arranged on the lifting lug 3, two detonating wires are respectively connected with the two detonating wire connecting pipes 2, the bottom of the cracking tube 1 is positioned at a drilling hole, the descending speed of the cracking tube 1 can be controlled through the sling, meanwhile, the cracking tube 1 can be prevented from colliding with the inner wall of the drilling hole through the arc plate, after the bottom of the cracking tube 1 is contacted with the bottom of the drilling hole, the sling is continuously loosened, the lifting hook is separated from the lifting lug 3, the sling is retracted, the next cracking tube 1 can be installed until all the cracking tubes 1 are installed as required, finally, the detonating wires are connected with the detonating devices, after all workers are evacuated to a safety area, the detonating can be carried out according to the planned time, and the high-pressure carbon dioxide gas can carry out blasting operation on a mine through the gas release port 9.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. A limestone mine blasting device, characterized in that: the gas injection device comprises a cracking pipe (1), wherein detonating wire connecting pipes (2) are symmetrically arranged on the top surface of the cracking pipe (1), the detonating wire connecting pipes (2) are connected with detonators through detonating wires, gas injection ports (8) are formed in the upper parts of the cracking pipe (1), and the gas injection ports (8) are communicated with the cracking pipe (1); install a plurality of protection subassembly on the outer wall of causing split tube (1), protection subassembly is used for preventing the inner wall that causes split tube (1) and drilling produces to collide with, the outer wall fixedly connected with that causes split tube (1) two lug (3), lug (3) can be dismantled and be connected with the lifting hook, lifting hook fixedly connected with hoist cable, a plurality of air leakage mouth (9) have been seted up to the lower part that causes split tube (1).
2. A limestone mine blasting apparatus according to claim 1, wherein: the two detonating cord connecting pipes (2) are fixedly connected and communicated with the cracking pipe (1).
3. A limestone mine blasting apparatus according to claim 1, wherein: the protection assembly comprises an arc-shaped plate (4), a plurality of telescopic parts are arranged between the arc-shaped plate (4) and the cracking tube (1), and the telescopic parts are positioned in the same plane and are arranged in parallel.
4. A limestone mine blasting apparatus according to claim 3, wherein: an inclined plane is arranged on the bottom surface of the arc-shaped plate (4).
5. A limestone mine blasting apparatus according to claim 3, wherein: the telescopic part comprises a fixed column (6), one end of the fixed column (6) is fixedly connected with the cracking tube (1), a round hole is formed in the other end of the fixed column (6), a movable column (7) is connected in the round hole in a sliding mode, one end of the round hole extends out of the movable column (7) and is fixedly connected with the arc-shaped plate (4), springs (5) are sleeved on the outer sides of the fixed column (6) and are respectively arranged at two ends of the springs (5) in a sleeved mode, and the arc-shaped plate (4) and the cracking tube (1) are fixedly connected.
6. A limestone mine blasting apparatus according to claim 5, wherein: a limiting cavity is formed in the round hole, a movable disc (10) is connected in the limiting cavity in a sliding mode, and one end of the movable column (7) extending into the limiting cavity is fixedly connected with the movable disc (10).
7. The limestone mine blasting apparatus of claim 6, wherein: the inner diameter of the round hole is not larger than the diameter in the limiting cavity.
8. A limestone mine blasting apparatus according to claim 5, wherein: the outer diameter of the lifting lug (3) is not larger than the length of the fixing column (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322781261.9U CN220853345U (en) | 2023-10-17 | 2023-10-17 | Limestone mine blasting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322781261.9U CN220853345U (en) | 2023-10-17 | 2023-10-17 | Limestone mine blasting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853345U true CN220853345U (en) | 2024-04-26 |
Family
ID=90778258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322781261.9U Active CN220853345U (en) | 2023-10-17 | 2023-10-17 | Limestone mine blasting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853345U (en) |
-
2023
- 2023-10-17 CN CN202322781261.9U patent/CN220853345U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |