CN113357985B - Spherical air charging spacer for blasting engineering and spaced charging method - Google Patents
Spherical air charging spacer for blasting engineering and spaced charging method Download PDFInfo
- Publication number
- CN113357985B CN113357985B CN202110588970.8A CN202110588970A CN113357985B CN 113357985 B CN113357985 B CN 113357985B CN 202110588970 A CN202110588970 A CN 202110588970A CN 113357985 B CN113357985 B CN 113357985B
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- lifting
- claw
- binding device
- hole
- buckle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/22—Methods for holding or positioning for blasting cartridges or tamping cartridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a spherical air charge spacer and a spaced charge method for blasting engineering. The high-strength elastic gas ball is placed in the claw-shaped binding device, the ball body is deformed into an ellipsoid under the action of external force of the claw-shaped binding device, the radial maximum size of the whole interval charge device is smaller than the diameter of a blast hole, each claw tip of the claw-shaped binding device is provided with a limiting hole, the binding belt is arranged in the limiting hole in a penetrating mode, two ends of the binding belt are connected with the lifting buckle, an annular lifting lug is arranged at the position of the lifting buckle switch and at the top of the binding device, the lifting buckle switch lifting lug is connected with the pull rope, and the binding device lifting lug is connected with the lifting rope. During the use, send into the big gun hole assigned position through the lifting rope with the spacer, carry and draw the stay cord, will carry and draw the buckle and open, make high strength elastic gas ball resume the spheroid card in the big gun hole from the ellipsoid, form the air interval section.
Description
Technical Field
The invention relates to the field of engineering blasting, in particular to a spherical air interval explosive loading device and an interval explosive loading method for blasting engineering.
Background
The deep hole blasting technology plays an important role in large earth and rockfill excavation engineering, and is widely applied to roadbed excavation, mine exploitation and water conservancy construction operation. Compared with the traditional continuous charging technology, the spaced charging technology can effectively reduce the unit consumption of explosive and the blasting vibration, and can reduce the initial impact pressure peak value of the inner wall of the blast hole, avoid excessive crushing of ore rocks, improve the energy utilization rate, and achieve the purposes of improving the blasting effect and reducing the blasting cost. The air spacer in the current market has high unit price and low utilization rate, and the air spacer is generally replaced by rock powder, bamboo tubes, PVC pipes and other materials in mines in China, so that the blasting effect is poor.
Disclosure of Invention
The invention aims to provide an air interval explosive loading device and an interval explosive loading method which are low in cost, simple and convenient to operate and high in reliability.
In order to achieve the purpose, the invention adopts the following technical scheme: a spherical air space medicine loader comprises a claw-shaped binding device, a lifting buckle, a binding belt, a high-strength elastic gas ball, a lifting rope and a pull rope.
The claw type constraint device is made of rigid materials, the top of the constraint device is a fixed disk with lifting lugs, the fixed disk protrudes outwards for one section at intervals of 90 degrees, the protruding section is provided with a groove and a shaft hole, the fixed disk is hinged with four constraint claws through rotating shafts, limit holes are formed in the tips of the constraint claws, and anti-slip pads are arranged on the inner sides of the constraint claws to prevent gas balls from slipping off.
The lifting buckle comprises a plug and a locking bolt, wherein one end of the plug is provided with a rectangular hole groove, the interior of the plug is divided into a hole position and a part installation space through a partition plate with a square hole in the middle, a rotatable lock head is arranged in the part installation space, two ends of the lock head are respectively fixed on the inner wall through a rotating shaft and a spring, and a lifting switch is arranged at the spring fixing end of the rotatable lock head; one end of the lock catch bolt is provided with a rectangular hole groove, and the other end of the lock catch bolt is provided with a lock catch. When the lifting switch is used, the lock catch bolt is inserted into the hole site, the lifting switch is put down, the spring fixing end of the lock head clamps the lock catch, and the lifting buckle is locked; the lifting switch is lifted, the spring fixed end of the lock head is retracted, and the lifting buckle is opened.
The binding belt is a non-elastic flexible belt, the binding belt penetrates through the limiting hole of the binding claw, and two ends of the binding belt are connected with the plug rectangular hole groove and the lock catch bolt rectangular hole groove of the lifting buckle.
The original state of the high-strength elastic gas ball is spherical, the diameter of the gas ball is larger than the diameter of a blast hole, the gas ball is deformed into an ellipsoid under the action of external force of the binding device, the radial maximum size of the whole spacer is smaller than the diameter of the blast hole, and the outer wall of the gas ball is made of an anti-skid material to avoid the gas ball from sliding off from the binding device or the inner wall of the blast hole to influence the spacing effect.
The lifting rope is connected with the claw-shaped binding device lifting lug and is marked with scales, so that the lowering depth of the spacer is conveniently mastered, and the spacer can accurately reach a designated position.
The pull rope is connected with a switch of the lifting buckle, the pull rope is lifted, the lifting buckle is opened, the external force of the claw-shaped binding device disappears, and the high-strength sealed elastic gas ball is restored to be a sphere from an ellipsoid and is clamped in the blast hole, so that air space is realized.
Correspondingly, the invention also provides a spaced charging method, which adopts the spherical air spaced charging device and comprises the following steps:
1) adjusting the length of a binding belt according to the bore diameter of a blast hole to ensure that the outer diameter of the locked claw-shaped binding device is smaller than the inner diameter of the blast hole, opening a lifting buckle, expanding four claws of the claw-shaped binding device, putting a high-strength elastic gas ball into the claw-shaped binding device, inserting a locking bolt into a hole position, and putting down a lifting switch;
2) filling a first section of explosive and a detonating device;
3) sending the spacer into the specified position of the blast hole through a lifting rope;
4) pulling the pull rope, opening the pull buckle, and enabling the high-strength elastic gas ball to be restored from the ellipsoid into a sphere and clamped in the blast hole;
5) lifting a lifting rope and a pull rope, recovering a claw-shaped binding device, a lifting buckle and a binding belt;
6) carrying out subsequent charging and filling work;
7) repeating the steps 1-6 to complete the explosive-separating and charging operation of the whole explosion area;
8) connecting the blasting network to prepare for blasting.
Compared with the prior art, the invention has the beneficial effects that:
1. the main body of the invention adopts the gas ball to block the interval, has good tightness, can well avoid medicine exposure and has good interval effect.
2. The principle of the invention is mainly realized by utilizing the self deformation of the balloon body, and compared with the method of generating gas by mixing medicaments or inflating external equipment, the method is simpler, more convenient and cheaper, and has higher reliability.
3. The lifting rope is marked with scales, so that a constructor can easily master the lowering depth when lifting the spacer, and the placing position of the spacer is more accurate.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure of the binding apparatus of the present invention.
Figure 3 is a top view of the restraint device of the present invention.
FIG. 4 is a plan view showing an open state of the lifting buckle according to the present invention.
FIG. 5 is a top view of the closed state of the lift buckle of the present invention.
FIG. 6 is a schematic illustration of the present invention in practice.
Description of reference numerals: a claw-type restraint device 1; 1-1 of a lifting lug; fixing a disc 1-2; shaft holes 1-3; 1-4 of a rotating shaft; 1-5 of an anti-skid pad; 1-6 of binding claws; 1-7 of a limiting hole; 1-8 of a convex section groove; lifting the buckle 2; 2-1 of a plug; 2-1-1 of a rectangular hole groove; a spring 2-1-2; a pull switch 2-1-3; 2-1-4 of a rotating shaft; 2-1-5 of a rotatable lock head; 2-2 of a lock catch bolt; 2-2-1 rectangular hole grooves; 2-2-2 of a lock catch; a binding band 3; a high-strength elastic gas ball 4; a lifting rope 5; a pull rope 6; a blast hole 7; an explosive section 8; a detonation device 9; an air section 10.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figure 1, the invention comprises a claw-shaped binding device 1, a lifting buckle 2, a binding belt 3, a high-strength elastic gas ball 4, a lifting rope 5 and a pull rope 6.
As shown in fig. 2 and 3, the claw-shaped binding device 1 is made of rigid materials, the top of the binding device is a fixed disk 1-2 with lifting lugs 1-1, the fixed disk 1-2 protrudes outwards at intervals of 90 degrees, the protruding section is provided with a groove 1-8 and a shaft hole 1-3, the fixed disk 1-2 is hinged with four binding claws 1-6 through rotating shafts 1-4, limiting holes 1-7 are formed in the tips of the binding claws, and anti-slip pads 1-5 are arranged on the inner sides of the binding claws 1-6 to prevent the gas balls 4 from slipping down.
As shown in fig. 4 and 5, the lifting buckle 2 comprises a plug 2-1 and a locking bolt 2-2, one end of the plug 2-1 is provided with a rectangular hole groove 2-1-1, the interior of the plug 2-1 is divided into a hole site and a part installation space by a partition plate with a square hole in the middle, a rotatable lock head 2-1-5 is arranged in the part installation space, two ends of the lock head 2-1-5 are respectively fixed on the inner wall through a rotating shaft 2-1-4 and a spring 2-1-2, and a lifting switch 2-1-3 is arranged at the spring fixing end of the rotatable lock head 2-1-5; one end of the lock catch bolt 2-2 is provided with a rectangular hole groove 2-2-1, and the other end is provided with a lock catch 2-2-2. When the lifting lock is used, the lock catch bolt 2-2 is inserted into the hole position, the lifting switch 2-1-3 is put down, the spring fixed end of the lock head clamps the lock catch 2-2-2, and the lifting buckle 2 is locked; the lifting switch 2-1-3 is lifted, the spring fixing end of the lock head is retracted, and the lifting buckle 2 is opened.
As shown in figure 1, the restraining belt 3 is a non-elastic flexible belt, the restraining belt 3 penetrates through limiting holes 1-7 of the restraining claws 1-6, and two ends of the restraining belt 3 are connected with a plug rectangular hole groove 2-1-1 of the lifting buckle 2 and a lock catch bolt rectangular hole groove 2-2-1.
As shown in fig. 1 and 6, the high-strength elastic gas ball 4 is in a spherical shape, the diameter of the gas ball is larger than the diameter of the blast hole, and the gas ball is deformed into an ellipsoid under the action of the external force of the binding device 1, so that the radial maximum size of the whole spacer is smaller than the diameter of the blast hole, and the outer wall of the gas ball 4 is made of an anti-skid material to prevent the gas ball from sliding off the inner wall of the binding device 1 or the blast hole 7, thereby affecting the spacing effect.
As shown in fig. 1 and 6, the lifting rope 5 is connected with the claw-shaped binding device lifting lug 1-1, and the lifting rope 5 is marked with scales, so that the lowering depth of the spacer can be conveniently controlled, and the spacer can accurately reach a designated position.
As shown in fig. 1 and 6, the pull rope 6 is connected with a switch 2-1-3 of the lifting buckle, the pull rope 6 is lifted, the lifting buckle 2 is opened, the external force of the claw-shaped binding device 1 disappears, and the high-strength elastic gas ball 4 is restored from an ellipsoid to a sphere and is clamped in the blast hole 7, so that air separation is realized.
Correspondingly, the invention also provides a spaced charging method, which adopts the spherical air spaced charging device and comprises the following steps:
1) adjusting the length of the binding belt 3 according to the aperture size of the blast hole 7 to ensure that the outer diameter of the locked claw-shaped binding device 1 is smaller than the inner diameter of the blast hole 7, opening the lifting buckle 2, expanding four claws 1-6 of the claw-shaped binding device, placing a high-strength elastic gas ball 4 into the claw-shaped binding device 1, inserting the locking bolt 2-2 into the hole position, and putting down the lifting switch 2-1-3;
2) filling a first section of explosive 8 and a detonating device 9;
3) sending the high-strength elastic gas ball 4 to the specified position of the blast hole 7 through the lifting rope 5;
4) pulling the pull rope 6, and opening the pull buckle 2 to restore the high-strength elastic gas ball 4 from an ellipsoid to a sphere which is clamped in the blast hole 7;
5) lifting ropes 5 and pull ropes 6, a recovery claw type binding device 1, a lifting buckle 2 and a binding belt 3;
6) carrying out subsequent charging and filling work;
7) repeating the steps 1-6 to complete the explosive-separating and charging operation of the whole explosion area;
8) connecting the blasting network to prepare for blasting.
The foregoing is only a basic idea of the invention and is not intended to limit the invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the invention still fall within the protection scope of the technical solution of the invention.
Claims (3)
1. The utility model provides a spherical air charge spacer of blasting engineering which characterized in that: comprises a claw-shaped binding device, a lifting buckle, a binding belt, an elastic gas ball, a lifting rope and a pull rope;
the claw-shaped binding device is made of rigid materials, the top of the binding device is a fixed disk with lifting lugs, the fixed disk protrudes outwards for one section at intervals of 90 degrees, the protruding section is provided with a groove and a shaft hole, the fixed disk is hinged with the four binding claws through rotating shafts, limiting holes are formed in the tips of the binding claws, and anti-slip pads are arranged on the inner sides of the binding claws to prevent gas balls from sliding down;
the lifting buckle comprises a plug and a locking bolt, wherein one end of the plug is provided with a rectangular hole groove, the interior of the plug is divided into a hole site and a part installation space through a partition plate with a square hole in the middle, a rotatable lock head is arranged in the part installation space, two ends of the lock head are respectively fixed on the inner wall through a rotating shaft and a spring, and a lifting switch is arranged at the spring fixing end of the rotatable lock head; one end of the lock catch bolt is provided with a rectangular hole groove, and the other end of the lock catch bolt is provided with a lock catch; when the lifting switch is used, the lock catch bolt is inserted into the hole site, the lifting switch is put down, the spring fixing end of the lock head clamps the lock catch, and the lifting buckle is locked; lifting the lifting switch, retracting the spring fixing end of the lock head, and opening the lifting buckle;
the binding belt is a non-elastic flexible belt, penetrates through the limiting hole of the binding claw, and is connected with the plug rectangular hole groove and the lock catch bolt rectangular hole groove of the lifting buckle at two ends;
the lifting rope is connected with the lifting lugs of the claw-shaped binding device and is provided with scales, so that the lowering depth of the spacer can be conveniently mastered, and the spacer can accurately reach a designated position;
the pull rope is connected with a switch of the lifting buckle, the pull rope is lifted, the lifting buckle is opened, the external force of the claw-shaped binding device disappears, and the sealed elastic gas ball is restored to be a sphere from an ellipsoid and is clamped in the blast hole, so that air space is realized.
2. A spherical air-charging spacer for blasting engineering according to claim 1, characterized in that said elastic gas ball is spherical in shape, the diameter of the gas ball is larger than the diameter of the blast hole, and the elastic gas ball is deformed into an ellipsoid under the action of the external force of the binding device, so that the maximum radial dimension of the entire spacer is smaller than the diameter of the blast hole, and the outer wall of the gas ball is made of anti-slip material to prevent the gas ball from slipping off the binding device or the inner wall of the blast hole, thereby affecting the spacing effect.
3. A method of using an engineered spherical air-charged spacer according to claim 1, comprising the steps of:
1) adjusting the length of a binding belt according to the bore diameter of a blast hole to ensure that the outer diameter of the locked claw-shaped binding device is smaller than the inner diameter of the blast hole, opening a lifting buckle, expanding four claws of the claw-shaped binding device, putting an elastic gas ball into the claw-shaped binding device, inserting a locking bolt into the bore position, and putting down a lifting switch;
2) filling a first section of explosive and a detonating device;
3) sending the spacer into the specified position of the blast hole through a lifting rope;
4) pulling the pull rope, opening the pull buckle, and enabling the elastic gas ball to be restored from the ellipsoid into a sphere which is clamped in the blast hole;
5) lifting a lifting rope and a pull rope, recovering a claw-shaped binding device, a lifting buckle and a binding belt;
6) carrying out subsequent charging and filling work;
7) repeating the steps 1) -6) to complete the explosive-separating and charging operation of the whole explosion area;
8) connecting the blasting network to prepare for blasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110588970.8A CN113357985B (en) | 2021-05-28 | 2021-05-28 | Spherical air charging spacer for blasting engineering and spaced charging method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110588970.8A CN113357985B (en) | 2021-05-28 | 2021-05-28 | Spherical air charging spacer for blasting engineering and spaced charging method |
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| CN113357985A CN113357985A (en) | 2021-09-07 |
| CN113357985B true CN113357985B (en) | 2022-06-07 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6386111B1 (en) * | 1996-11-04 | 2002-05-14 | Advanced Blasting Technology, Inc. | Stemming arrangement and method for blast holes |
| RU2235971C1 (en) * | 2003-07-25 | 2004-09-10 | Федотенко Сергей Михайлович | Method of dispersion of a charge in a borehole |
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| CN107631671A (en) * | 2017-11-06 | 2018-01-26 | 宿州云宏建设安装有限公司 | A kind of engineering explosion blasthole spaced loading device |
| CN108007287A (en) * | 2017-12-28 | 2018-05-08 | 中国电建集团成都勘测设计研究院有限公司 | Deep hole explosive airspace device |
| CN109186389A (en) * | 2018-10-29 | 2019-01-11 | 武汉大学 | A kind of blasthole blocking up method |
| CN208591511U (en) * | 2018-06-11 | 2019-03-12 | 徐章翊 | A kind of clamping and fixing device of ball inflating |
| CN110296640A (en) * | 2019-08-01 | 2019-10-01 | 中国矿业大学(北京) | A kind of rich water deep hole blasting isolation means for loading and its application method |
| CN110332867A (en) * | 2019-08-03 | 2019-10-15 | 贵州久远***工程有限责任公司 | A kind of air bench blasting radial air interval charging device |
| CN110715587A (en) * | 2019-11-19 | 2020-01-21 | 中国电建集团成都勘测设计研究院有限公司 | Air spaced charging auxiliary device for step blasting |
| CN212557544U (en) * | 2020-07-20 | 2021-02-19 | 温州朗盛工程塑料有限公司 | Nylon cable tie capable of being repeatedly used |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11465366B2 (en) * | 2019-10-02 | 2022-10-11 | Ocean Rodeo Sports Inc. | Quick release leash |
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2021
- 2021-05-28 CN CN202110588970.8A patent/CN113357985B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386111B1 (en) * | 1996-11-04 | 2002-05-14 | Advanced Blasting Technology, Inc. | Stemming arrangement and method for blast holes |
| RU2235971C1 (en) * | 2003-07-25 | 2004-09-10 | Федотенко Сергей Михайлович | Method of dispersion of a charge in a borehole |
| CN205897977U (en) * | 2016-06-17 | 2017-01-18 | 福州大学 | Big gun hole powder charge air space device |
| CN107631671A (en) * | 2017-11-06 | 2018-01-26 | 宿州云宏建设安装有限公司 | A kind of engineering explosion blasthole spaced loading device |
| CN108007287A (en) * | 2017-12-28 | 2018-05-08 | 中国电建集团成都勘测设计研究院有限公司 | Deep hole explosive airspace device |
| CN208591511U (en) * | 2018-06-11 | 2019-03-12 | 徐章翊 | A kind of clamping and fixing device of ball inflating |
| CN109186389A (en) * | 2018-10-29 | 2019-01-11 | 武汉大学 | A kind of blasthole blocking up method |
| CN110296640A (en) * | 2019-08-01 | 2019-10-01 | 中国矿业大学(北京) | A kind of rich water deep hole blasting isolation means for loading and its application method |
| CN110332867A (en) * | 2019-08-03 | 2019-10-15 | 贵州久远***工程有限责任公司 | A kind of air bench blasting radial air interval charging device |
| CN110715587A (en) * | 2019-11-19 | 2020-01-21 | 中国电建集团成都勘测设计研究院有限公司 | Air spaced charging auxiliary device for step blasting |
| CN212557544U (en) * | 2020-07-20 | 2021-02-19 | 温州朗盛工程塑料有限公司 | Nylon cable tie capable of being repeatedly used |
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| CN113357985A (en) | 2021-09-07 |
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