CN105674821A - Air spacer for blasting - Google Patents
Air spacer for blasting Download PDFInfo
- Publication number
- CN105674821A CN105674821A CN201610221763.8A CN201610221763A CN105674821A CN 105674821 A CN105674821 A CN 105674821A CN 201610221763 A CN201610221763 A CN 201610221763A CN 105674821 A CN105674821 A CN 105674821A
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- air
- action bars
- spring
- spacer
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
- Air Bags (AREA)
Abstract
The invention relates to an air spacer for blasting. The air spacer for blasting comprises an operation rod and an air bag. An air nozzle used for inflating is formed in the top of the air bag, and at least two hooks are arranged at the top of the air bag in a hinged joint mode. A protruding block is arranged at the bottom of the outer wall of the operation rod, installation grooves matched with the hooks are formed in the top face of the protruding block, an air needle and a spring are fixedly arranged on the bottom surface of the operation rod, the air outlet end of the air needle penetrates through the spring, and the end face of the air outlet end is located in the spring when the spring is in a natural state. An air pipe is connected to the air inlet end of the air needle, penetrates through the operation rod and then stretches out of the top end of the operation rod. The air bag can be arranged in the installation grooves of the protruding block through the hooks, and at the moment, the air needle and the air nozzle are connected in a matched mode to make the spring in a compressed state.
Description
Technical field
The present invention relates to a kind of explosion air-spacer.
Background technology
Drillhole blasting is the common technology of rock excavation, is widely used in the fields such as water conservancy and hydropower, mine, traffic. Traditional continuous cylindrical charge exists that unit consumption is big, detonation first pressing is too high, the overground shortcoming of rock so that the effective utility of laser power of explosive is low, and is easily generated bulk and foundation, brings the problems such as blasting vibration harm. Air-decking technique can reduce the explosive initial peak pressure to big gun hole surrounding rock, blast pressure in hole is made to obtain evenly along big gun hole axial distribution, thus reducing or avoid the over grind of near region, big gun hole country rock, expand rupture zone scope, improve the effective rate of utilization of explosive blasting energy, thus reducing blasting cost, controled blasting harm. The spacer that namely airspace device is arranged between air column and explosive, air column and stemming is to bear the weight of explosive and stemming. The most cost of air-spacer conventional at present is high, complex operation.
Summary of the invention
The technical problem to be solved is: provide a kind of with low cost, easy to operate explosion air-spacer, to improve loading rate, to reduce blasting cost.
For solving above-mentioned technical problem the technical solution adopted in the present invention it is: a kind of explosion air-spacer, including action bars, air bag; Air bag top has the valve for inflating, and air bag top is provided with at least two pieces hook being hinged; Bottom action bars outer wall, there is projection, projection end face is provided with and links up with suitable mounting groove, action bars bottom surface is fixed with air tube, spring, the outlet side of air tube is passed in spring, and the end face of outlet side is positioned at spring under spring naturalness, the inlet end of air tube is connected to trachea, and trachea stretches out action bars top after traverse in action bars; Air bag can pass through to hang on the mounting groove of projection, and now air tube and valve are connected, and make spring be in compressive state.
Further: action bars outer surface is provided with the graduation mark arranged along its length.
Further: action bars includes inner sleeve and outer sleeve, outer sleeve is set in the outer wall of inner sleeve, and can slide along inner sleeve length direction, inner sleeve is provided with positioning bead in the one end near outer sleeve, outer sleeve has the detent suitable with positioning bead near inner sleeve one end, positioning bead is located on inner sleeve by the second spring, second spring is connected on the inwall of inner sleeve, the sidewall of inner sleeve has the hole movable for positioning bead, and time under action bars elongation state, a positioning bead part is positioned at hole, another part stretches out the sidewall of inner sleeve, the positioning bead of inner sleeve and the detent of outer sleeve are fastened.
Further: action bars outer surface is provided with the graduation mark arranged along its length, graduation mark includes being located at the first scale of outer sleeve outer wall, being located at the second scale of inner sleeve outer wall, when the positioning bead of inner sleeve fastens with the detent of outer sleeve, the first scale, the second scale form the graduation mark of setting continuously.
Further: inner sleeve quantity is more than one piece, connected by attachment structure between adjacent two pieces inner sleeve, this attachment structure is the attachment structure between inner sleeve and outer sleeve, every inner sleeve is equipped with scale, and when all inner sleeves are in elongation state, form the second scale arranged continuously.
Further: action bars top has the valve for inflating, and valve is connected with the top of trachea; Trachea is flexible pipe.
Further: action bars top is provided with handle.
The invention has the beneficial effects as follows: during enforcement, integral installation of the present invention is prepared, now air bag is by hanging on the mounting groove of projection, air tube and valve are connected, and make spring be in compressive state, when air bag sends into design attitude, inflator inflation is coordinated by trachea at action bars top, big gun hole inwall it is stuck in after air bag inflation, then gently exert oneself depression bar, hook just can automatically disengage under gravity, and spring reset, when being not connected with due to air tube and valve, under spring naturalness, the end face of air tube outlet side is positioned at spring, and the original state connecting rear spring is compressive state, air tube can be made to depart from valve by the reset response power of spring, so that action bars departs from air bag, take out action bars, explosive or stemming is loaded on air bag top, repeat said process, complete powder charge. the present invention is with low cost, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is action bars and the partial view of air bag junction;
Fig. 3 is inner sleeve and the partial view of outer sleeve junction;
Fig. 4 is structural representation during the invention process;
Labelling in figure: 1-action bars, 2-air bag, 3-valve, 4-air tube, 5-spring, 6-handle, 7-trachea, 9-hook, 10-projection, 11-inner sleeve, 12-outer sleeve, 13-positioning bead, 14-the second spring, 15-big gun hole, 16-powder charge section, 17-air section.
Detailed description of the invention
For ease of understanding and implementing the present invention, the preferred embodiments of the present invention are selected to be described further in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the present invention includes action bars 1, air bag 2; Air bag 2 top has the valve 3 for inflating, and air bag 2 top is provided with at least two pieces hook 9 being hinged; Bottom action bars 1 outer wall, there is projection 10, projection 10 end face is provided with and links up with 9 suitable mounting grooves, action bars 1 bottom surface is fixed with air tube 4, spring 5, the outlet side of air tube 4 is passed in spring 5, and the end face of outlet side is positioned at spring 5 under spring 5 naturalness, the inlet end of air tube 4 is connected to trachea 7, and trachea 7 stretches out action bars 1 top after traverse in action bars 1; Air bag 2 can pass through to link up with 9 mounting grooves hanging on projection 10, and now air tube 4 and valve 3 are connected, and make spring 5 be in compressive state.
As shown in Figure 4, during enforcement, integral installation of the present invention is prepared, now air bag 2 is by linking up with 9 mounting grooves hanging on projection 10, air tube 4 and valve 3 are connected, and make spring 5 be in compressive state, when air bag 2 sends into design attitude, inflator is coordinated to inflate at action bars 1 top by trachea 7, air bag 2 is stuck in big gun hole 15 inwall after expanding, then gently exert oneself depression bar 1, hook 9 just can automatically disengage under gravity, and spring 5 resets, when being not connected with due to air tube 4 and valve 3, under spring 5 naturalness, the end face of air tube 4 outlet side is positioned at spring 5, and the original state connecting rear spring 5 is compressive state, by the reset response power of spring 5, air tube 4 and valve 3 are departed from, so that action bars 1 and air bag 2 depart from, take out action bars 1, explosive or stemming is loaded on air bag 2 top,Repeat said process, complete powder charge. The present invention is with low cost, easy to operate.
Preferably, hook 9 is two pieces, is symmetricly set in both sides, air bag 2 top. The mounting groove of projection 10 can be cannelure, it is possible to arrange according to linking up with 9 quantity intervals, and projection 10 body is arranged also dependent on linking up with 9 quantity intervals.
Air bag 2 installation site can rule of thumb control, it is possible to adopts the mode of simple marking, it is preferable that action bars 1 outer surface is provided with the graduation mark arranged along its length, can conveniently control air bag 2 installation site, improves charging quality.
Such as Fig. 1, shown in Fig. 3, action bars 1 is preferably stretching structure, concrete structure is: action bars 1 includes inner sleeve 11 and outer sleeve 12, outer sleeve 12 is set in the outer wall of inner sleeve 11, and can slide along inner sleeve 11 length direction, inner sleeve 11 is provided with positioning bead 13 in the one end near outer sleeve 12, outer sleeve 12 has the detent suitable with positioning bead 13 near inner sleeve 11 one end, positioning bead 13 is located on inner sleeve 11 by the second spring 14, second spring 14 is connected on the inwall of inner sleeve 11, the sidewall of inner sleeve 11 has the hole for positioning bead 13 activity, and time under action bars 1 elongation state, positioning bead 13 part is positioned at hole, another part stretches out the sidewall of inner sleeve 11, the positioning bead 13 of inner sleeve 11 is fastened with the detent of outer sleeve 12. and when pressing positioning bead 13, i.e. retractable operation bar 1. when the wall thickness of inner sleeve 11 is relatively thin, floating pipe can be equipped with for positioning bead 13.
Additionally, when action bars 1 outer surface of stretching structure is provided with the graduation mark arranged along its length, graduation mark includes being located at the first scale of outer sleeve 12 outer wall, being located at the second scale of inner sleeve 11 outer wall, when the positioning bead 13 of inner sleeve 11 fastens with the detent of outer sleeve 12, the first scale, the second scale form the graduation mark of setting continuously.
For further reduction operation bar 1 volume, being convenient for carrying and enforcement, also inner sleeve 11 can be set to multi-deck extension structure, inner sleeve 11 quantity is more than one piece, being connected by attachment structure between adjacent two pieces inner sleeve 11, this attachment structure is the attachment structure between inner sleeve 11 and outer sleeve 12. Now the set-up mode of graduation mark is, every inner sleeve 11 is equipped with scale, and when all inner sleeves 11 are in elongation state, forms the second scale arranged continuously.
Preferably, action bars 1 top has the valve 3 for inflating, and valve 3 is connected with the top of trachea 7, facilitates external aerating device. Now, for the action bars 1 of stretching structure, trachea 7 is flexible pipe.
Preferably, action bars 1 top is provided with handle 6, convenient operation. For the action bars 1 of stretching structure, handle 6 is preferably disposed on the outer end of a most inboard inner sleeve 11, and the outer end of outer sleeve 12 is located at by the zero graduation line of graduation mark.
Claims (10)
1. an explosion air-spacer, it is characterised in that: include action bars (1), air bag (2); Air bag (2) top has the valve (3) for inflating, and air bag (2) top is provided with at least two pieces hook (9) being hinged; There is bottom action bars (1) outer wall projection (10), projection (10) end face is provided with the mounting groove suitable with linking up with (9), action bars (1) bottom surface is fixed with air tube (4), spring (5), the outlet side of air tube (4) is traverse in spring (5), and the end face of outlet side is positioned at spring (5) under spring (5) naturalness, the inlet end of air tube (4) is connected to trachea (7), and trachea (7) stretches out action bars (1) top after traverse in action bars (1);Air bag (2) can pass through to link up with (9) and hang on the mounting groove of projection (10), and now air tube (4) and valve (3) are connected, and make spring (5) be in compressive state.
2. a kind of explosion air-spacer as claimed in claim 1, it is characterised in that: action bars (1) outer surface is provided with the graduation mark arranged along its length.
3. a kind of explosion air-spacer as claimed in claim 1, it is characterized in that: action bars (1) includes inner sleeve (11) and outer sleeve (12), outer sleeve (12) is set in the outer wall of inner sleeve (11), and can slide along inner sleeve (11) length direction, inner sleeve (11) is provided with positioning bead (13) in the one end near outer sleeve (12), outer sleeve (12) has the detent suitable with positioning bead (13) near inner sleeve (11) one end, positioning bead (13) is located on inner sleeve (11) by the second spring (14), second spring (14) is connected on the inwall of inner sleeve (11), the sidewall of inner sleeve (11) has the hole movable for positioning bead (13), and time under action bars (1) elongation state, positioning bead (13) part is positioned at hole, another part stretches out the sidewall of inner sleeve (11), the positioning bead (13) of inner sleeve (11) and the detent of outer sleeve (12) are fastened.
4. a kind of explosion air-spacer as claimed in claim 3, it is characterized in that: action bars (1) outer surface is provided with the graduation mark arranged along its length, graduation mark includes being located at the first scale of outer sleeve (12) outer wall, being located at the second scale of inner sleeve (11) outer wall, when the positioning bead (13) of inner sleeve (11) fastens with the detent of outer sleeve (12), the first scale, the second scale form the graduation mark of setting continuously.
5. a kind of explosion air-spacer as claimed in claim 3, it is characterized in that: inner sleeve (11) quantity is more than one piece, being connected by attachment structure between adjacent two pieces inner sleeve (11), this attachment structure is the attachment structure between inner sleeve (11) and outer sleeve (12).
6. a kind of explosion air-spacer as claimed in claim 4, it is characterized in that: inner sleeve (11) quantity is more than one piece, connected by attachment structure between adjacent two pieces inner sleeve (11), this attachment structure is the attachment structure between inner sleeve (11) and outer sleeve (12), every inner sleeve (11) is equipped with scale, and when all inner sleeves (11) are in elongation state, form the second scale arranged continuously.
7. a kind of explosion air-spacer as claimed in claim 1, it is characterised in that: action bars (1) top has the valve (3) for inflating, and valve (3) is connected with the top of trachea (7).
8. a kind of explosion air-spacer as according to any one of claim 3～6, it is characterized in that: action bars (1) top has the valve (3) for inflating, valve (3) is connected with the top of trachea (7), and trachea (7) is flexible pipe.
9. a kind of explosion air-spacer as according to any one of claim 1～7, it is characterised in that: action bars (1) top is provided with handle (6).
10. a kind of explosion air-spacer as claimed in claim 8, it is characterised in that: action bars (1) top is provided with handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221763.8A CN105674821B (en) | 2016-04-11 | 2016-04-11 | A kind of explosion air-spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221763.8A CN105674821B (en) | 2016-04-11 | 2016-04-11 | A kind of explosion air-spacer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105674821A true CN105674821A (en) | 2016-06-15 |
| CN105674821B CN105674821B (en) | 2017-08-25 |
Family
ID=56309623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610221763.8A Active CN105674821B (en) | 2016-04-11 | 2016-04-11 | A kind of explosion air-spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105674821B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462120A (en) * | 2017-09-12 | 2017-12-12 | 中国神华能源股份有限公司 | Gas spacer sting device |
| CN109443118A (en) * | 2018-12-25 | 2019-03-08 | 中国电建集团成都勘测设计研究院有限公司 | Shothole pumping gear for deep hole blasting |
| CN111536845A (en) * | 2020-05-07 | 2020-08-14 | 辽宁科技大学 | Stretching type explosive loading spacer and using method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975865Y (en) * | 2006-11-28 | 2007-11-14 | 刘洪波 | Gas isolator |
| US20090277354A1 (en) * | 2008-05-06 | 2009-11-12 | Robert Vincent T | Blasting air tube with sleeve, and method |
| CN203961431U (en) * | 2014-06-06 | 2014-11-26 | 国家电网公司 | Portable cover bar rope bracing or strutting arrangement |
| CN204612620U (en) * | 2015-01-19 | 2015-09-02 | 威海埃姆提爱矿山设备有限公司 | A kind of location Washdown type spacer |
| CN204666053U (en) * | 2015-08-06 | 2015-09-23 | 贵州新联爆破工程集团有限公司 | A kind of explosion airspace device |
| CN205119962U (en) * | 2015-11-20 | 2016-03-30 | 葛洲坝易普力湖北昌泰民爆有限公司 | Air gap ware |
| CN205561692U (en) * | 2016-04-11 | 2016-09-07 | 中国电建集团成都勘测设计研究院有限公司 | Air space device is used in blasting |
-
2016
- 2016-04-11 CN CN201610221763.8A patent/CN105674821B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975865Y (en) * | 2006-11-28 | 2007-11-14 | 刘洪波 | Gas isolator |
| US20090277354A1 (en) * | 2008-05-06 | 2009-11-12 | Robert Vincent T | Blasting air tube with sleeve, and method |
| CN203961431U (en) * | 2014-06-06 | 2014-11-26 | 国家电网公司 | Portable cover bar rope bracing or strutting arrangement |
| CN204612620U (en) * | 2015-01-19 | 2015-09-02 | 威海埃姆提爱矿山设备有限公司 | A kind of location Washdown type spacer |
| CN204666053U (en) * | 2015-08-06 | 2015-09-23 | 贵州新联爆破工程集团有限公司 | A kind of explosion airspace device |
| CN205119962U (en) * | 2015-11-20 | 2016-03-30 | 葛洲坝易普力湖北昌泰民爆有限公司 | Air gap ware |
| CN205561692U (en) * | 2016-04-11 | 2016-09-07 | 中国电建集团成都勘测设计研究院有限公司 | Air space device is used in blasting |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462120A (en) * | 2017-09-12 | 2017-12-12 | 中国神华能源股份有限公司 | Gas spacer sting device |
| CN107462120B (en) * | 2017-09-12 | 2019-05-24 | 中国神华能源股份有限公司 | Gas spacer sting device |
| CN109443118A (en) * | 2018-12-25 | 2019-03-08 | 中国电建集团成都勘测设计研究院有限公司 | Shothole pumping gear for deep hole blasting |
| CN109443118B (en) * | 2018-12-25 | 2024-02-27 | 中国电建集团成都勘测设计研究院有限公司 | Blast hole drainage device for deep hole blasting |
| CN111536845A (en) * | 2020-05-07 | 2020-08-14 | 辽宁科技大学 | Stretching type explosive loading spacer and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105674821B (en) | 2017-08-25 |
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