CN217058532U - Blasting spacer device - Google Patents
Blasting spacer device Download PDFInfo
- Publication number
- CN217058532U CN217058532U CN202123274070.0U CN202123274070U CN217058532U CN 217058532 U CN217058532 U CN 217058532U CN 202123274070 U CN202123274070 U CN 202123274070U CN 217058532 U CN217058532 U CN 217058532U
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- China
- Prior art keywords
- fixed
- spacer
- big gun
- blasting
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 125000006850 spacer group Chemical group 0.000 title claims abstract description 50
- 238000005422 blasting Methods 0.000 title claims abstract description 20
- 239000002360 explosive Substances 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 239000003673 groundwater Substances 0.000 abstract description 3
- 235000019738 Limestone Nutrition 0.000 description 15
- 239000006028 limestone Substances 0.000 description 15
- 238000004880 explosion Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
A blasting spacer device relates to the technical field of mine blasting; including the big gun hole, be equipped with the spacer in the big gun hole, the spacer includes the gasbag, and the gasbag upper end is fixed with fixed pipe, and fixed pipe upper end is fixed with the fixed plate, and the inboard edge of fixed plate is equipped with the portable pole that supports the big gun hole inner wall, is equipped with the rotatable trip that breaks away from to the pole restriction in the fixed plate, and fixed intraductal being equipped with is portable to push up moves trip pivoted ejector pin, and the ejector pin receives the gas impact to move, and the gasbag internal fixation has the aerating device that can release gas. General big gun hole because underground and expose in open-air, has the entering of groundwater and rainwater etc. often has ponding in the big gun hole, causes the downthehole smoothness of big gun, and release or emergence gas after gasbag formula spacer need put into the big gun hole with the spacer again, receives the pressure of explosive again down, and the spacer can slide downwards, influences blasting effect.
Description
Technical Field
The utility model relates to a mine blasting technical field, more specifically the utility model relates to a blasting spacer device.
Background
The spacer is used in mine blasting, the explosive loading structure is reasonably arranged, the blasting effect is improved, the explosive usage amount can be reduced, the spacer is inflated on site when the spacer is used, the air bag is tightly attached to the inner wall of a blast hole after being expanded, then the spacer is loaded on the upper portion, the explosive consumption is reduced, the shock absorption and the water resistance are realized, and the root bottom is reduced; the explosive pressure in the blast hole is reduced, the impact crushing of ore rocks formed by coupled charging is reduced or even avoided, the range of a cracking area is expanded, the effective utilization rate of explosive blasting energy is improved, and the unit consumption of explosive is reduced.
General big gun hole because underground and expose in open-air, has the entering of groundwater and rainwater etc. often has ponding in the big gun hole, causes the downthehole smoothness of big gun, and release or emergence gas after gasbag formula spacer need put into the big gun hole with the spacer again, receives the pressure of explosive again down, and the spacer can slide downwards, influences blasting effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving general big gun hole because underground and expose in the open-air, have the entering of groundwater and rainwater etc. often have ponding in the big gun hole, cause the big gun downthehole smoothness, air bag formula spacer need put into the big gun hole with the spacer after release or take place gas again, receive the pressure of explosive again under, the spacer can slide downwards, influences the technical problem of blasting effect.
The purpose and the effect of the utility model are achieved by the following specific technical means:
the utility model provides a blasting spacer device, including the big gun hole, be equipped with the spacer in the big gun hole, the big gun hole intussuseption is filled with explosive and big gun hole filler, be equipped with the initiating explosive package in the big gun hole, the initiating explosive package upper end is fixed with the detonator that extends to the big gun hole outside, the spacer includes the gasbag, the gasbag upper end is fixed with fixed tube, fixed tube upper end is fixed with the fixed plate, the inboard edge of fixed plate is equipped with portable butt pole that supports the big gun hole inner wall, be equipped with the rotatable trip that breaks away from to the butt pole restriction in the fixed plate, be equipped with portable butt trip pivoted ejector pin in the fixed tube, the ejector pin is moved by the gas impact, the gasbag internal fixation has the aerating device that can release gas.
Preferably, a fixing rope is fixed at the upper end of the fixing plate, and scale marks are arranged on the fixing rope.
Preferably, the left side and the right side of the fixing plate are both provided with notches, and one side of the support rod extends into the notches.
Preferably, the other side of the abutting rod is fixed with a sliding block, the upper end in the fixed plate is fixed with a sliding rod, and the sliding blocks are movably connected to the sliding rod.
Preferably, the left side and the right side of the center position of the bottom of the sliding rod are both fixed with fixed blocks, and springs are fixed between the fixed blocks and the sliding blocks.
Preferably, the spring is in a compressed state.
Preferably, the clamping hooks are hinged to the left side and the right side of the lower end in the fixing plate, and one side of each clamping hook is in contact with the sliding block.
Preferably, the fixed pipe is movably connected with a piston, and the ejector rod is fixed at the upper end of the piston.
Preferably, the inflator is a gas generator.
Has the advantages that:
1. when aerifing the gasbag through gas generator, drive ejector pin rebound extrusion trip and rotate and break away from the restriction to the slider, under the effect of deuterogamy spring, can drive and support the pole and remove to the fixed plate outside and support the big gun inner wall, and then can place the spacer slip and influence explosion effect.
2. Through being equipped with the scale mark on fixed rope, when placing the spacer, can visit into the depth of measurement argillaceous limestone in the big gun hole with the ruler earlier, at the cooperation scale mark, can be better with the position location of spacer in argillaceous limestone department.
Description of the drawings:
fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of a main sectional structure of the blast hole of the present invention.
Fig. 3 is a front sectional view of the spacer of the present invention.
Fig. 4 is a schematic view of the sectional structure of the fixing plate and the fixing tube of the present invention.
In fig. 1-4, the correspondence between the component names and the reference numbers is: the explosive gun comprises a blast hole 1, a spacer 2, an air bag 21, a gas generator 22, a fixed tube 23, a piston 231, a top rod 232, a fixed plate 24, a fixed rope 25, a notch 241, a sliding rod 242, a sliding block 243, a fixed block 244, a spring 245, a clamping hook 246, a resisting rod 247, a fixed rope 25, an explosive cartridge 3, a detonating tube 31, explosive 4 and a blast hole filler 5.
Detailed Description
The first embodiment is as follows:
as shown in figures 1 to 2:
the utility model provides a blasting spacer device, it includes big gun hole 1, is equipped with spacer 2 in the big gun hole 1, and it has explosive 4 to lie in 2 upper ends of spacer and fill in the big gun hole 1, and it has big gun hole filler 5 to lie in 4 upper ends of explosive to fill in the big gun hole 1, lies in 4 explosive that are equipped with the priming explosive package 3 in the big gun hole 1, and the 3 upper ends of priming explosive package are fixed with the detonator 31 that extends to the big gun hole 1 outside.
As shown in figures 3 to 4:
wherein: the spacer 2 comprises an air bag 21, a gas generator 22, a fixed pipe 23, a fixed plate 24 and a fixed rope 25, the gas generator 22 is fixed at the center of the bottom in the air bag 21, the fixed pipe 23 is fixed at the center of the top in the center of the top of the air bag 21, the fixed pipe 23 extends to the outer side of the air bag 21, the fixed plate 24 is fixed at the center of the top of the fixed pipe 23, the fixed rope 25 is fixed at the center of the top of the fixed plate 24, a piston 231 is movably connected at the center of the inside of the fixed pipe 23, a top rod 232 is fixed at the center of the top of the piston 231, the top rod 232 extends into the fixed plate 24, in the coal mine blasting engineering, sandstone and argillaceous limestone layer distribution strata are frequently encountered, the hardness of sandstone is 2-3, the hardness of argillaceous limestone is very low, when the explosive 4 explodes, the compressive strength of the argillaceous limestone is low, the plastic deformation and the crushing damage occur under the explosion pressure, and the explosive consumes 4 explosion heat energy very fast, the spacer 2 is arranged at the argillaceous limestone position, the utilization rate of explosive explosion heat energy can be greatly improved, the explosive usage amount is reduced, the weak blasting surface effect can be overcome, the flying stone accident caused by energy overflowing from the weak surface is prevented, the explosive structure is optimized according to the rock stratum structure during explosive loading construction of the blast hole 1, the explosive 4 is normally loaded in the sandstone stratum, the spacer 2 is loaded in the argillaceous limestone stratum, the spaced explosive 4 can be normally exploded completely under the condition that the length of the spacer 2 is smaller than the experimental data allowance, the explosive loading construction is more convenient in this way, no detonating primer is required to be added, the operation is simple, economical and practical effects are achieved, when the spacer 2 is loaded, the air bag 21 is inflated through the gas generator 22, the air bag 21 is inflated to expand to be contacted with the argillaceous limestone, the argillaceous limestone is spaced through the air bag 21, meanwhile, when the airbag 21 is inflated, the piston 231 in the fixed tube 23 can be driven to move upwards, and the push rod 232 is driven to move upwards at the same time.
Wherein: be equipped with the scale mark on fixed rope 25, through be provided with the scale mark on fixed rope 25, when placing spacer 2, can visit into the degree of depth of measuring the argillaceous limestone in the big gun hole 1 with the ruler earlier, at the cooperation scale mark, the position of location spacer 2 that can be better.
As shown in fig. 4:
wherein: notches 241 are respectively arranged at the center positions of the left side and the right side of the fixed plate 24, a sliding rod 242 is fixedly arranged at the center position of the upper end in the fixed plate 24, sliding blocks 243 are movably connected at the left side and the right side of the center position of the sliding rod 242, a resisting rod 247 is transversely fixed at the lower end of one side of the sliding block 243, which is far away from the center position in the fixed plate 24, the resisting rod 247 extends into the notches 241, fixing blocks 244 are respectively fixed at the left side and the right side of the center position between the sliding blocks 243 at the bottom of the sliding rod 242, a spring 245 is fixed between the fixing block 244 and the sliding block 243, the spring 245 is in a compressed state, clamping hooks 246 are respectively hinged at the left side and the right side of the center position of the lower end in the fixed plate 24, one end of each clamping hook 246, which is far away from the center position in the fixed plate 24, is contacted with the sliding block 243, when the push rod 232 moves upwards, the clamping hooks 246 rotate, the limiting of the sliding blocks 243 is separated after the rotation, under the action of the spring 245, the resisting rod 247 is driven to move towards the outer side of the notch 241 to be propped against the inner wall of the blast hole 1, the explosive 4 can be prevented from contacting the argillaceous limestone due to the downward sliding of the spacer 2, and the explosion effect can be prevented from being influenced.
The working principle is as follows:
when the spacer 2 is placed, a ruler can be used for probing into the blast hole 1 to measure the depth of the argillaceous limestone firstly, and the spacer 2 can be better positioned at the position of the argillaceous limestone by matching with a scale mark, after the spacer 2 is placed, the air bag 21 is inflated through the gas generator 22, so that the air bag 21 is inflated to expand and contact with the argillaceous limestone, the argillaceous limestone is spaced through the air bag 21, meanwhile, when the air bag 21 is inflated, the piston 231 in the fixing tube 23 can be driven to move upwards, meanwhile, the ejector rod 232 is driven to move upwards, when the ejector rod 232 moves upwards, the clamping hook 246 is extruded to rotate, the clamping hook 246 breaks away from the limitation on the sliding block 243 after rotating, and under the action of the spring 245, the abutting rod 247 is driven to move towards the outer side of the notch 241 to abut against the inner wall of the blast hole 1, and the spacer 2 is prevented from moving.
Claims (9)
1. A blasting spacer device comprises a blast hole (1), a spacer (2) is arranged in the blast hole (1), explosives (4) and blast hole fillers (5) are filled in the blast hole (1), a primary explosive (3) is arranged in the blast hole (1), a primary explosive tube (31) extending to the outer side of the blast hole (1) is fixed at the upper end of the primary explosive (3), the blasting spacer device is characterized in that the spacer (2) comprises an air bag (21), a fixed tube (23) is fixed at the upper end of the air bag (21), a fixed plate (24) is fixed at the upper end of the fixed tube (23), a resisting rod (247) capable of movably resisting the inner wall of the blast hole (1) is arranged on the inner side of the fixed plate (24), a clamping hook (246) capable of rotatably separating from the limit of the resisting rod (247) is arranged in the fixed plate (24), and a push rod (232) capable of movably pushing the clamping hook (246) to rotate is arranged in the fixed tube (23), the ejector rod (232) is moved by the impact of gas, and an inflating device capable of releasing gas is fixed in the air bag (21).
2. Blasting spacer device according to claim 1, wherein a fixing rope (25) is fixed to the upper end of the fixing plate (24), and wherein the fixing rope (25) is provided with graduation marks.
3. The device of claim 1, wherein the fixing plate (24) is provided with notches (241) on both left and right sides, and the retaining bar (247) extends into the notches (241) on one side.
4. The device of claim 3, wherein the other side of the resisting rod (247) is fixed with a sliding block (243), the upper end of the fixing plate (24) is fixed with a sliding rod (242), and the sliding blocks (243) are movably connected to the sliding rod (242).
5. The device of claim 4, wherein the slide rod (242) is fixed with a fixed block (244) at the left and right sides of the central position of the bottom, and a spring (245) is fixed between the fixed block (244) and the slide block (243).
6. Blasting spacer device according to claim 5, wherein the spring (245) is in a compressed state.
7. The device of claim 1, wherein said hooks (246) are hinged at left and right sides of the inner lower end of the fixed plate (24), and one side of said hooks (246) is in contact with the sliding block (243).
8. Burst spacer device according to claim 1, characterised in that a piston (231) is movably connected in the fixed tube (23), and that the push rod (232) is fixed at the upper end of the piston (231).
9. Burst spacer device according to claim 1, characterised in that the inflator device is a gas generator (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123274070.0U CN217058532U (en) | 2021-12-24 | 2021-12-24 | Blasting spacer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123274070.0U CN217058532U (en) | 2021-12-24 | 2021-12-24 | Blasting spacer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058532U true CN217058532U (en) | 2022-07-26 |
Family
ID=82479365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123274070.0U Active CN217058532U (en) | 2021-12-24 | 2021-12-24 | Blasting spacer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058532U (en) |
-
2021
- 2021-12-24 CN CN202123274070.0U patent/CN217058532U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240322 Address after: 017200 Automotive City, Azhen, Ejin Horo Banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: Ordos Panhong blasting Co.,Ltd. Country or region after: China Address before: 014000 No. 3, building 33, District 5, 19th neighborhood, Youyi street, Kundulun District, Baotou City, Inner Mongolia Autonomous Region Patentee before: Zhu Meisheng Country or region before: China |
|
| TR01 | Transfer of patent right |