CN215696558U - Clear hole device in big gun hole - Google Patents
Clear hole device in big gun hole Download PDFInfo
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- CN215696558U CN215696558U CN202122085396.2U CN202122085396U CN215696558U CN 215696558 U CN215696558 U CN 215696558U CN 202122085396 U CN202122085396 U CN 202122085396U CN 215696558 U CN215696558 U CN 215696558U
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- dust
- hole
- blast hole
- cleaning device
- blast
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Abstract
The utility model discloses a blast hole cleaning device, which comprises a dust cover, an outer barrel, an air cylinder, an adjusting screw rod and an adjusting frame, wherein the dust cover is arranged on the outer barrel; the dust shield covers the outer side of the blast hole; the middle part of the dust shield is provided with an outer cylinder which penetrates through the middle part of the dust shield; an air cylinder is arranged on the inner side of the outer cylinder and matched with the dust hood through a sliding groove; the top of the inflator is movably connected with the bottom of the adjusting screw rod; the adjusting screw is fixed on the adjusting frame in a threaded manner; the adjusting frame is fixed on the surface of the dust cover. The hole is sprayed by utilizing compressed air, the hole is covered by the device through the cover-shaped structure, the dust remover is connected to the cover-shaped structure for adsorption, and generated raised dust finally enters the dust remover. The blast hole cleaning efficiency is higher, and the dust is effectively controlled.
Description
Technical Field
The utility model relates to the technical field of blasting, in particular to a blast hole cleaning device.
Background
Blasting operation is an important work in coal mine production, and has wide related range, many dangerous factors and easy initiation of serious and serious accidents. The open pit coal mine needs to be drilled on the ground by a drilling machine before blasting, and the hole is called a blast hole; after the hole puncher drills, the depth of a blast hole is influenced due to more accumulated soil in the blast hole. The depth of each blast hole should be kept consistent during each blasting, if the depth of partial blast holes is not enough during blasting, the blasting effect is affected, for example, if three holes in 60 blast holes are not deep enough, the area affected by the blasting effect may not be five percent, but twenty-five percent. When the blast hole depth exceeds the design depth, the waste of drilling and explosive can be caused, the harmful effect of blasting vibration is increased, and the drilling cost is increased. Therefore, the depth of each blast hole is a calculated standard value, so that a large difference value cannot exist, and if the accumulated soil in the hole is not cleaned, the depth of each blast hole can generate a large difference; the blast hole cleaning is a very important processing link.
The existing blast hole is cleaned manually, the cleaning efficiency is low, and a plurality of shoveling tools in the hole structure are not convenient to stretch into the hole. Raise dust is still produced easily in the clearance process, causes the interference to the staff in the clearance process.
The utility model has the following contents:
according to the defects of the prior art, the utility model provides a blast hole cleaning device, compressed air is used for blowing in a hole, the device covers the hole position through a cover-shaped structure, a dust remover is connected to the cover-shaped structure for adsorption, and generated raised dust finally enters the dust remover. The blast hole cleaning efficiency is higher, and the dust is effectively controlled.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a blast hole cleaning device comprises a dust cover, an outer cylinder, an air cylinder, an adjusting screw rod and an adjusting frame; the dust shield covers the outer side of the blast hole; the middle part of the dust shield is provided with an outer cylinder which penetrates through the middle part of the dust shield; an air cylinder is arranged on the inner side of the outer cylinder and matched with the dust hood through a sliding groove; the top of the inflator is movably connected with the bottom of the adjusting screw rod; the adjusting screw is fixed on the adjusting frame in a threaded manner; the adjusting frame is fixed on the surface of the dust cover.
Preferably, the diameter of the outer cylinder is smaller than the diameter of the blast hole, and a gap between the outer cylinder and the hole wall of the blast hole is a dust moving area.
Preferably, the bottom of the air cylinder is communicated with a shunt pipe; the shunt tubes are of a cross-shaped structure, and the ends and the bottoms of the shunt tubes are provided with blowing holes.
Preferably, a buffer tube is fixed in the middle of the interior of the inflator, and a plurality of air inlets are distributed on the tube body of the buffer tube; the bottom of the buffer tube extends out of the bottom of the gas cylinder and is communicated with the top of the shunt tube.
Preferably, the bottom of the shunt pipe is fixed with a clamping distance bracket for preventing the shunt pipe from contacting the bottom of the hole.
Preferably, one side of the dust cover is communicated with an air inlet of the dust collector; the top of the inflator is communicated with the air pump.
Preferably, the top of the adjusting screw is provided with a turntable for adjusting the height.
Preferably, pedals are arranged at two ends of the dust cover; and the edge of the dust shield is fixed with an outwardly extending plate-shaped structure.
The utility model discloses a blast hole cleaning device which has the following beneficial effects:
1. the device covers the blast hole top, through the air pump of intercommunication jetting, forms the inside raise dust environment with the ponding jetting, does benefit to the absorption of dust catcher.
2. The inflator structure can move up and down for adjustment, and certain adjustment is carried out according to the depth of the blast hole, so that each injection position of the flow dividing pipe can correspond to the position of soil accumulation around the bottom of the blast hole.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the operation in the hole of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic bottom structure of the present invention.
Fig. 4 is a schematic view of the overall connection structure of the present invention.
In the figure, a dust cover 1, an outer cylinder 2, an air cylinder 3, an adjusting screw rod 4, an adjusting bracket 5, a shunt pipe 6, a clamping distance bracket 7, a pedal 8, a rotary table 9, an air pump 10, a dust collector 11, a car hopper 12 and a buffer inner pipe 13.
The specific implementation mode is as follows:
as shown in fig. 1-4, a blast hole cleaning device comprises a dust cover 1, an outer cylinder 2, an air cylinder 3, an adjusting screw rod 4 and an adjusting frame 5; the dust cover 1 covers the outer side of the blast hole; the middle part of the dust cover 1 is provided with an outer cylinder 2, the outer cylinder 2 penetrates through the middle part of the dust cover 1, the diameter of the outer cylinder 2 is smaller than the aperture of a blast hole, a gap between the outer cylinder 2 and the hole wall of the blast hole is a dust-raising moving area, and the dust cover 1 prevents the dust raising in the dust-raising area from diffusing outwards; an air cylinder 3 is arranged on the inner side of the outer cylinder 2, and the air cylinder 3 is matched with the dust cover 1 through a sliding groove; the top of the air cylinder 3 is movably connected with the bottom of the adjusting screw rod 4, and the bottom of the air cylinder 3 is communicated with the shunt pipe 6; the shunt pipe 6 is in a cross-shaped structure, the end and the bottom of the shunt pipe 6 are provided with blowing holes, in order to increase air pressure, the middle inside the inflator 3 is fixed with a buffer pipe 13, and a pipe body of the buffer pipe 13 is distributed with a plurality of air inlet holes; the bottom of the buffer tube 13 extends from the bottom of the cartridge 3 and communicates with the top of the shunt tube 6.
As shown in fig. 1, 2 and 4, after the air of the air pump 10 enters the air cylinder 3 through the pipeline, the air is divided from the shunt pipe 6 and is dispersed around the hole; a clamping distance support 7 for preventing the shunt pipe 6 from contacting with the hole bottom is fixed at the bottom of the shunt pipe 6, the shunt pipe 6 is prevented from directly contacting with accumulated soil to block a blowing hole, the blowing angle of the shunt pipe 6 is convenient to set for a fixed value of the height from the hole bottom, and the blowing hole is used as an inclined hole according to the angle; the adjusting screw rod 4 is fixed on the adjusting frame 5 in a threaded manner, and the top of the adjusting screw rod 4 is provided with a turntable 9 for adjusting the height; the turntable 9 is rotated to drive the adjusting screw rod 4, so that the adjusting screw rod 4 and the air cylinder 3 move up and down and are adjusted according to the depth of the blast hole; the adjusting frame 5 is fixed on the surface of the dust cover 1, and one side of the dust cover 1 is communicated with an air inlet of the dust collector 11; the top of the air cylinder 3 in the outer cylinder 2 is communicated with an air pump 10; the pedals 8 are arranged at the two ends of the dust cover 1, the pedals 8 are used for keeping the dust cover 1 and the ground in a pressing state, the air tightness in the blast holes is improved, and even if a small amount of gas can be diffused and is not in complete sealing, the dust collection of the dust collector 11 is not influenced; the edge of the dust shield 1 is fixed with a plate-shaped structure extending outwards, and in order to increase air tightness, the outer soil can be pressed on the edge of the dust shield 1 and sealed through the accumulated soil around the blast hole. The above-mentioned fixing methods are all welded or screwed by means of the common technical means of those skilled in the art, if they are not separately described.
The working principle of the figures 1-4 is as follows:
when the device is used, the outer barrel 2 of the device is firstly stretched into the hole, the ground surface around the blast hole is in a flat state, the dust-shielding cover 1 is horizontally placed on the ground surface, then the air barrel 3 is adjusted according to the depth of the hole, the adjustment mode is carried out through the rotary table 9, the dust-shielding cover 1 does not break away from the ground as soon as the clamping distance support 7 contacts the bottom of the blast hole, then the pedal 8 of the dust-shielding cover 1 is treaded by two feet of one worker, and the other worker is responsible for starting the air pump 10 and the dust collector 11. The running time of the equipment is kept about three minutes every time, the equipment is stopped for one minute after three minutes and is opened for checking, and the dust falls for buffering time by one minute after the equipment is stopped; the three minutes is the time period of blowing and sucking the accumulated soil. After the air pump 10 is started, compressed air in the air pump can enter the air cylinder 3 and is finally discharged from the shunt pipe 6, the accumulated soil at the bottom of the hole is sprayed to form a local dust raising environment, and then the dust is cleaned by the dust collector 11. In order to facilitate the movement of the dust collector 11 and the air pump 10, the air pump 10 and the dust collector 11 can be fixed on the car hopper 12, and a groove for placing the device is arranged on the side edge of the car hopper 12.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. A blast hole cleaning device is characterized by comprising a dust cover, an outer barrel, an air cylinder, an adjusting screw rod and an adjusting frame; the dust shield covers the outer side of the blast hole; the middle part of the dust shield is provided with an outer cylinder which penetrates through the middle part of the dust shield; an air cylinder is arranged on the inner side of the outer cylinder and matched with the dust hood through a sliding groove; the top of the inflator is movably connected with the bottom of the adjusting screw rod; the adjusting screw is fixed on the adjusting frame in a threaded manner; the adjusting frame is fixed on the surface of the dust cover.
2. A hole cleaning device for a blast hole according to claim 1, wherein: the diameter of the outer cylinder is smaller than the diameter of the blast hole, and a gap between the outer cylinder and the hole wall of the blast hole is a dust-raising moving area.
3. A hole cleaning device for a blast hole according to claim 1, wherein: the bottom of the inflator is communicated with the shunt pipe; the shunt tubes are of a cross-shaped structure, and the ends and the bottoms of the shunt tubes are provided with blowing holes.
4. A hole cleaning device for a blast hole according to claim 3, wherein: a buffer tube is fixed in the middle of the interior of the inflator, and a plurality of air inlets are distributed on the tube body of the buffer tube; the bottom of the buffer tube extends out of the bottom of the gas cylinder and is communicated with the top of the shunt tube.
5. A hole cleaning device for a blast hole according to claim 3, wherein: and a clamping distance support for preventing the shunt pipe from contacting the bottom of the hole is fixed at the bottom of the shunt pipe.
6. A hole cleaning device for a blast hole according to claim 1, wherein: one side of the dust shield is communicated with an air inlet of the dust collector; the top of the inflator is communicated with the air pump.
7. A hole cleaning device for a blast hole according to claim 1, wherein: and a turntable for adjusting the height is arranged at the top of the adjusting screw rod.
8. A hole cleaning device for a blast hole according to claim 6, wherein: pedals are arranged at two ends of the dust cover; and the edge of the dust shield is fixed with an outwardly extending plate-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122085396.2U CN215696558U (en) | 2021-08-31 | 2021-08-31 | Clear hole device in big gun hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122085396.2U CN215696558U (en) | 2021-08-31 | 2021-08-31 | Clear hole device in big gun hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215696558U true CN215696558U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122085396.2U Active CN215696558U (en) | 2021-08-31 | 2021-08-31 | Clear hole device in big gun hole |
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| Country | Link |
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| CN (1) | CN215696558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090583A (en) * | 2022-05-06 | 2022-09-23 | 刘申态 | Blast hole cleaning device for surface mine |
-
2021
- 2021-08-31 CN CN202122085396.2U patent/CN215696558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090583A (en) * | 2022-05-06 | 2022-09-23 | 刘申态 | Blast hole cleaning device for surface mine |
| CN115090583B (en) * | 2022-05-06 | 2023-08-11 | 刘申态 | Blast hole cleaning device for surface mine |
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