CN111307006A - Tunnel hydraulic pressure blasting charging device capable of injecting water, water injection device and water injection method - Google Patents
Tunnel hydraulic pressure blasting charging device capable of injecting water, water injection device and water injection method Download PDFInfo
- Publication number
- CN111307006A CN111307006A CN202010164920.2A CN202010164920A CN111307006A CN 111307006 A CN111307006 A CN 111307006A CN 202010164920 A CN202010164920 A CN 202010164920A CN 111307006 A CN111307006 A CN 111307006A
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- water injection
- water
- pipe
- pvc pipe
- bag
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 191
- 238000002347 injection Methods 0.000 title claims abstract description 112
- 239000007924 injection Substances 0.000 title claims abstract description 112
- 238000005422 blasting Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 16
- 239000002360 explosive Substances 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000009172 bursting Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 3
- 239000002390 adhesive tape Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a tunnel hydraulic blasting charging device capable of injecting water, which comprises: and the columnar PVC pipe is used for being axially placed in the blast hole. The two water injection pipes are arranged on the left side and the right side of the highest position of the first semicircular arc shell; in each water injection pipe, and with PVC pipe laminating department, along its length direction spaced apart be equipped with a plurality of with the water injection through-hole that the PVC pipe is linked together. The water injection bag is provided with a plurality of water injection bags, is arranged in the PVC pipe and is arranged at intervals along the length direction of the PVC pipe. The exhaust pipe is axially arranged on the outer wall of the first semicircular arc shell; a plurality of exhaust through holes communicated with the water injection bag are arranged in the air pipe and at the joint of the air pipe and the PVC pipe at intervals along the length direction of the air pipe. The explosives are provided with a plurality of blocks and are arranged in a staggered mode with the water injection bags. By using the charging device, the charging and the water bag can be placed at the designed position in the blast hole at one time, the water injection of the water bag in the blast hole can be rapidly carried out, the charging time is saved, and the construction speed is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of tunnel blasting construction, and particularly relates to a tunnel hydraulic blasting charging device capable of injecting water, a water injection device and a water injection method.
[ background of the invention ]
The hydraulic blasting can utilize the incompressibility of water, so that the blasting energy can be transmitted to the surrounding rock through the water without loss, the surrounding rock is favorably crushed, and blasting dust can be reduced simultaneously, so that the hydraulic blasting is gradually applied to tunnel blasting construction. The existing hydraulic blasting charging method mainly comprises the following steps: the hole bottom loads a roll of water bag with the gun rod earlier, then load explosive and water bag with the gun rod according to interval powder charge or not interval powder charge, this in-process is disclosed the water bag into the big gun hole through the gun rod, because the slight little arch of the broken bits of big gun hole bottom and big gun hole wall, the water bag is cut open easily, interval powder charge in-process loads water bag and explosive many times, the cracked probability of water bag has been increased, the powder charge time has been increased simultaneously, and fix a position explosive and water bag position according to the gun rod, certain error exists, thereby influence the blasting effect.
[ summary of the invention ]
The invention aims to provide a water-injection tunnel hydraulic blasting explosive loading device which can quickly and accurately position explosive and a water bag, can quickly inject water into the water bag in a blast hole by placing the explosive and the water bag at the designed position in the blast hole at one time, saves the explosive loading time, improves the construction speed and ensures the blasting effect.
The invention adopts the following technical scheme: a water-fillable tunnel hydraulic burst charge comprising:
the columnar PVC pipe is formed by detachably buckling a first semicircular arc shell and a second semicircular arc shell and is used for being axially placed in a blast hole.
The two water injection pipes are arranged on the outer wall of the first semicircular arc shell in parallel and in the axial direction and are positioned on the left side and the right side of the highest position of the first semicircular arc shell; in each water injection pipe, and with PVC pipe laminating department, be equipped with a plurality of water injection through-holes that are linked together with the PVC pipe along its length direction interval.
The water injection water bags are arranged in the PVC pipe at intervals along the length direction of the PVC pipe, and one end of each water injection water bag is communicated with the two water injection through holes at the corresponding positions.
The exhaust pipe is axially arranged on the outer wall of the first semicircular arc shell and is positioned at the highest position of the first semicircular arc shell; and a plurality of exhaust through holes communicated with the water injection bag are arranged in the exhaust pipe and at the joint part of the exhaust pipe and the PVC pipe at intervals along the length direction.
The explosives are arranged in the PVC pipe and are staggered with the water injection bags.
Furthermore, the device also comprises a spacing device which is a plurality of block-shaped bodies, is arranged on the outer wall of the highest position of the second arc-shaped shell and is arranged at intervals along the length direction of the second arc-shaped shell.
Furthermore, the length of the water injection pipe and the length of the exhaust pipe are both longer than that of the PVC pipe, and the extended parts are positioned outside the blast hole.
The invention also discloses a rapid water injection device for hydraulic blasting of the tunnel, which comprises the water-injectable hydraulic blasting explosive charging device for the tunnel and a water injection machine arranged outside the blast hole, wherein the water outlet of the water injection machine is communicated with the respective pipelines of the two water injection pipes, and each pipeline is provided with a flowmeter.
The invention also discloses a water injection method of the rapid water injection device for hydraulic blasting of the tunnel, which comprises the following steps:
placing the tunnel hydraulic blasting explosive loading device capable of injecting water into the blast hole, exposing the outer ends of the water injection pipe and the exhaust pipe out of the blast hole, plugging by using stemming, and fixing the tunnel hydraulic blasting explosive loading device capable of injecting water;
starting the water injection machine, injecting water into the water injection water bags from the water injection pipes, and closing the water injection machine to plug the water injection pipes and the exhaust pipe when the water is injected to 95% of the designed capacity of the water injection water bags; in the water injection process, air in each water injection water bag is exhausted by the exhaust pipe; when the water is injected excessively, the excessive water is discharged through the exhaust pipe.
The invention has the beneficial effects that: PVC pipe workable to reserve water injection pipe and exhaust duct and provide the passageway for quick water injection.
2. The spacing device, the water injection pipe and the exhaust pipe jointly form a blasthole spacing structure, and the purpose of non-coupling explosive charging is achieved.
3. The water bag is put into the PVC pipe in advance, so that the risk that the water bag is not cut by the broken stone chips when the water bag is poked into the blast hole by using a gun stick is avoided.
4. The exhaust pipe is arranged, so that air in the water bag can be rapidly discharged in the water injection process, and powerful conditions are provided for rapid water injection.
5. Through setting up the flowmeter on the water injection machine to and set up the blast pipe in water bag upper portion, can confirm the water injection volume fast, avoid the water injection too much, prop the fried water bag.
6. The invention can reduce the risk of water bag breakage, can quickly inject water into the water bag in the blast hole, saves the charging time, improves the construction speed and ensures the blasting effect.
7. The method is simple and feasible, and has strong practicability and good effect
[ description of the drawings ]
Figure 1 is a cross-sectional view of a water-fillable tunnel hydraulic blasting charge of the invention.
FIG. 2 is a schematic structural view of the rapid water injection device of the present invention.
Wherein: 1. blast holes; 2. a water injection pipe; 3. an exhaust pipe; 4. a spacing device; 5, PVC pipe; 6. a water injection bag; 10. double-sided adhesive tape; 11. an explosive; 13. injecting water; 14. a flow meter; 1.5 a main water filling port; 16. and (5) dispensing water gaps.
[ detailed description ] embodiments
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention discloses a tunnel hydraulic blasting charging device capable of injecting water, which comprises the following components as shown in figure 1: the columnar PVC pipe 5 is formed by detachably buckling a first semicircular arc shell and a second semicircular arc shell and is used for being axially placed in the blast hole; the two water injection pipes 2 are arranged on the outer wall of the first semicircular arc shell in parallel and axially and are positioned on the left side and the right side of the highest position of the first semicircular arc shell; in each water injection pipe 2, and with the laminating department of PVC pipe 5, be equipped with a plurality of water injection through-holes that are linked together with PVC pipe 5 along its length direction interval.
And a plurality of water injection bags 6 are arranged in the PVC pipe 5 and are arranged at intervals along the length direction of the PVC pipe 5, and one end of each water injection bag 6 is communicated with the two water injection through holes at the corresponding positions. The explosives 11 are multiple and are all arranged in the PVC pipe 5 and are arranged in a staggered mode with the water injection bag 6. The interval length of the required explosives to be filled can be obtained according to blasting design parameters, the number of the required explosives 11 is obtained, and the water injection bags 6 are arranged between two adjacent explosives 11, so that the number of the required water injection bags 6 is obtained. The water injection bag 6 can be adhered to the inner wall of the PVC pipe through a double-sided adhesive tape 10.
The exhaust pipe 3 is axially arranged on the outer wall of the first semicircular arc shell and is positioned at the highest position of the first semicircular arc shell; a plurality of exhaust through holes communicated with the water injection bag 6 are arranged in the exhaust pipe 3 and at the joint of the exhaust pipe and the PVC pipe 5 at intervals along the length direction. When the water in the water injection water bag 6 is filled, the water flows back from the exhaust pipe 3, and the exhaust pipe 3 is used as a drainage channel. The water filling method can be used for judging whether the water filling water bag 6 is filled with water or not.
The arc-shaped shell is characterized by further comprising a spacing device 4 which is a plurality of block-shaped bodies, is arranged on the outer wall of the highest position of the second arc-shaped shell and is arranged at intervals along the length direction of the second arc-shaped shell. This is because when the PVC pipe 5 is set in the blast hole 1, there is a gap with the inner wall of the blast hole 1, and the spacer 4 is set for further fixing the PVC pipe 5. The spacer 4 can be selected from blocky rubber or wood blocks and can be clamped and fixed.
In order to facilitate connection with an external device, the lengths of the water injection pipe 2 and the exhaust pipe 3 are both longer than that of the PVC pipe 5, and the longer parts are positioned outside a blast hole.
As shown in fig. 2, the invention also discloses a rapid water injection device for hydraulic blasting of a tunnel, which comprises the hydraulic blasting charging device for a tunnel capable of injecting water and a water injector 13 arranged outside the blast hole, wherein the water outlet of the water injector 13 is communicated with the respective pipelines of the two water injection pipes 2, and each pipeline is provided with a flow meter 14.
The invention also discloses a water injection method of the rapid water injection device for hydraulic blasting of the tunnel, which comprises the following steps:
placing the tunnel hydraulic blasting explosive loading device capable of injecting water into the blast hole, exposing the outer ends of the water injection pipe 2 and the exhaust pipe 3 out of the blast hole, plugging the PVC pipe 5 by using stemming, and fixing the tunnel hydraulic blasting explosive loading device capable of injecting water; and (3) starting the water injection machine 13, enabling water to flow into each main water pipe 2 from a main water injection port 15 through a water injection port 16 and flow into each water injection water bag 6, and when water is injected to 95% of the designed capacity of each water injection water bag 6, closing the water injection machine 13, plugging the water injection pipe 2 and the exhaust pipe 3, wherein plugs can be adopted to plug the water injection pipe 2 and the exhaust pipe 3. In the water injection process, air in each water injection water bag 6 is exhausted through the exhaust pipe 3; when the water is excessively injected, the excessive water is discharged through the exhaust pipe 3.
In practical construction at a certain place, selecting a PVC pipe 5 with the diameter of 32mm, as shown in figure 1, dividing the PVC pipe 5 into C, D parts along an AB connecting line, wherein D is a first semicircular arc shell, C is a second semicircular arc shell, positioning and marking are carried out on the part D according to the design positions of an explosive 11 and a water injection bag 6, the designed quick water injection bag 6 is firstly placed at the design position and is adhered to the inner wall of the PVC pipe 5 by a double-sided adhesive tape 10, then C, D is aligned along the AB connecting line, C, D is bound by an adhesive tape at intervals of 25cm, and then the PVC pipe 5 is placed into a blast hole 1 and is sealed and fixed by stemming. A flow meter 14 is arranged on the water injection machine 13, a total water injection port 15 is led out of the flow meter, two water injection ports 16 are separated, two water injection pipes 2 are respectively connected for water injection, when water flows out of the exhaust pipe 3 and the flow rate on the flow meter 14 is more than 95% of the designed water capacity of the water bag, the water injection machine 13 is closed, and the water injection pipes 2 and the exhaust pipe 3 are plugged.
Claims (5)
1. The utility model provides a tunnel hydraulic blasting charging means that can annotate water which characterized in that includes:
the columnar PVC pipe (5) is formed by detachably buckling a first semicircular arc shell and a second semicircular arc shell and is axially placed in the blast hole (1);
the two water injection pipes (2) are arranged on the outer wall of the first semicircular arc shell in parallel and in the axial direction and are positioned on the left side and the right side of the highest position of the first semicircular arc shell; a plurality of water injection through holes communicated with the PVC pipe (5) are arranged in the joint of each water injection pipe (2) and the PVC pipe (5) at intervals along the length direction of the joint;
a plurality of water injection bags (6) are arranged in the PVC pipe (5) at intervals along the length direction of the PVC pipe (5), and one end of each water injection bag (6) is communicated with two water injection through holes at corresponding positions;
the exhaust pipe (3) is axially arranged on the outer wall of the first semicircular arc shell and is positioned at the highest position of the first semicircular arc shell; a plurality of exhaust through holes communicated with the water injection bag (6) are arranged in the exhaust pipe (3) and at the joint of the exhaust pipe and the PVC pipe (5) at intervals along the length direction;
the explosives (11) are arranged in the PVC pipe (5) and are arranged in a staggered mode with the water injection water bags (6).
2. A water-fillable tunnel hydraulic burst charge as claimed in claim 1, further comprising a spacer (4) in the form of a plurality of blocks, disposed on the outer wall of the second arc-shaped casing at the highest position and spaced apart along the length thereof.
3. A water-injectable tunnel hydraulic bursting charge as claimed in claim 1 or 2 wherein the water injection tube (2) and the exhaust tube (3) are both longer than the PVC pipe (5) and the extended part is outside the blasthole.
4. A rapid water injection device for hydraulic blasting of tunnels, which is characterized by comprising the water injection device for hydraulic blasting of tunnels as claimed in any one of claims 1 to 3, and further comprising a water injection machine (13) arranged outside a blast hole, wherein the water outlet of the water injection machine (13) is communicated with the respective pipelines of the two water injection pipes (2), and a flow meter (14) is arranged on each pipeline.
5. The water injection method of the rapid water injection device for hydraulic blasting of the tunnel according to claim 4, characterized in that the method comprises the following steps:
placing the tunnel hydraulic blasting explosive loading device capable of injecting water into the blast hole, exposing the outer ends of the water injection pipe (2) and the exhaust pipe (3) out of the blast hole, plugging by using stemming, and fixing the tunnel hydraulic blasting explosive loading device capable of injecting water;
the water injection machine (13) is started, water is injected into each water injection water bag (6) from each water injection pipe (2), and when the water is injected to 95% of the designed capacity of each water injection water bag (6), the water injection machine (13) is closed, and the water injection pipes (2) and the exhaust pipe (3) are plugged; in the water injection process, air in each water injection water bag (6) is exhausted by the exhaust pipe (3); when the water is injected excessively, the excessive water is discharged from the exhaust pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164920.2A CN111307006B (en) | 2020-03-11 | 2020-03-11 | Tunnel hydraulic blasting charging device capable of injecting water, water injection device and water injection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164920.2A CN111307006B (en) | 2020-03-11 | 2020-03-11 | Tunnel hydraulic blasting charging device capable of injecting water, water injection device and water injection method |
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| Publication Number | Publication Date |
|---|---|
| CN111307006A true CN111307006A (en) | 2020-06-19 |
| CN111307006B CN111307006B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010164920.2A Active CN111307006B (en) | 2020-03-11 | 2020-03-11 | Tunnel hydraulic blasting charging device capable of injecting water, water injection device and water injection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704268A (en) * | 2022-03-15 | 2022-07-05 | 中铁广州工程局集团第三工程有限公司 | Single-track railway tunnel full-section primary support rapid ring forming construction method |
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| CN86200123U (en) * | 1986-01-18 | 1987-05-13 | 李起山 | Explosive with water-filled stemming beg and the method to separate the bag |
| CN105527646A (en) * | 2016-01-20 | 2016-04-27 | 中国人民解放军理工大学 | Combination type water-filling energy accumulation epicentre device for seismic exploration |
| CN205909747U (en) * | 2016-08-24 | 2017-01-25 | 三峡大学 | Novel blasting of deep hole water pressure device |
| CN106643308A (en) * | 2017-02-10 | 2017-05-10 | 贵州大学 | Axial progressive secondary efficient blasting device and installation method |
| CN107036498A (en) * | 2016-12-14 | 2017-08-11 | 陕西地建矿业开发环境治理有限责任公司 | A kind of ore body hydraulic pressure demolition system and ore body hydraulic pressure demolition method |
| CN109520384A (en) * | 2018-12-28 | 2019-03-26 | 钦州学院 | Based on the axial underwater Cutting Seam Cartridge Blasting device not coupled and its construction method |
| CN110285729A (en) * | 2019-07-29 | 2019-09-27 | 保利新联爆破工程集团有限公司 | A kind of water coincidence photoface exploision device for horizontal blasthole |
| CN209588850U (en) * | 2018-12-29 | 2019-11-05 | 湖南南岭民爆工程有限公司 | A kind of photoface exploision explosive suitable for hard rock stratum |
| CN110487137A (en) * | 2019-08-27 | 2019-11-22 | 山东科技大学 | A kind of deep hole presplitting water coincidence blast charging structure and construction method |
-
2020
- 2020-03-11 CN CN202010164920.2A patent/CN111307006B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200123U (en) * | 1986-01-18 | 1987-05-13 | 李起山 | Explosive with water-filled stemming beg and the method to separate the bag |
| CN105527646A (en) * | 2016-01-20 | 2016-04-27 | 中国人民解放军理工大学 | Combination type water-filling energy accumulation epicentre device for seismic exploration |
| CN205909747U (en) * | 2016-08-24 | 2017-01-25 | 三峡大学 | Novel blasting of deep hole water pressure device |
| CN107036498A (en) * | 2016-12-14 | 2017-08-11 | 陕西地建矿业开发环境治理有限责任公司 | A kind of ore body hydraulic pressure demolition system and ore body hydraulic pressure demolition method |
| CN106643308A (en) * | 2017-02-10 | 2017-05-10 | 贵州大学 | Axial progressive secondary efficient blasting device and installation method |
| CN109520384A (en) * | 2018-12-28 | 2019-03-26 | 钦州学院 | Based on the axial underwater Cutting Seam Cartridge Blasting device not coupled and its construction method |
| CN209588850U (en) * | 2018-12-29 | 2019-11-05 | 湖南南岭民爆工程有限公司 | A kind of photoface exploision explosive suitable for hard rock stratum |
| CN110285729A (en) * | 2019-07-29 | 2019-09-27 | 保利新联爆破工程集团有限公司 | A kind of water coincidence photoface exploision device for horizontal blasthole |
| CN110487137A (en) * | 2019-08-27 | 2019-11-22 | 山东科技大学 | A kind of deep hole presplitting water coincidence blast charging structure and construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704268A (en) * | 2022-03-15 | 2022-07-05 | 中铁广州工程局集团第三工程有限公司 | Single-track railway tunnel full-section primary support rapid ring forming construction method |
| CN114704268B (en) * | 2022-03-15 | 2024-01-05 | 中铁广州工程局集团第三工程有限公司 | Quick looping construction method for full-section primary support of single-track railway tunnel |
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| CN111307006B (en) | 2022-06-07 |
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