CN212458150U - Deep hole blasting hole sealing device and deep hole blasting hole sealing structure - Google Patents
Deep hole blasting hole sealing device and deep hole blasting hole sealing structure Download PDFInfo
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- CN212458150U CN212458150U CN202021266160.8U CN202021266160U CN212458150U CN 212458150 U CN212458150 U CN 212458150U CN 202021266160 U CN202021266160 U CN 202021266160U CN 212458150 U CN212458150 U CN 212458150U
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Abstract
A deep hole blasting hole sealing device and a deep hole blasting hole sealing structure belong to the technical field of deep hole blasting. The existing deep hole blasting and sealing method mostly adopts yellow mud sealing, and on-site construction finds that the deep hole blasting can generate larger axial impact force due to longer charging length and larger charging amount during explosive explosion, so that hole sealing materials such as yellow mud are easy to lose efficacy and are sprayed out, the explosive explosion has a spray hole phenomenon, the blasting effect is influenced, and potential safety hazards are brought; the existing hole sealing agent is loose and difficult to agglomerate, is difficult to deliver to a fixed position in a deep hole, is difficult to fully contact water for expansion and solidification after delivery, and has unstable hole sealing effect. The utility model discloses encapsulate the hole sealing agent in splendid attire bag, can soak in aqueous messenger's splendid attire bag surface and be stained with water, the fixed point breaks inside hole sealing agent in back and has more chances fully to contact water, and the inflation solidification effect is more abundant, and intensity is higher.
Description
Technical Field
A deep hole blasting hole sealing device and a deep hole blasting hole sealing structure belong to the technical field of deep hole blasting.
Background
Deep hole blasting of underground engineering is mainly a columnar explosive charging blasting method which is developed in the deep part of solid coal rock and is adopted for increasing the growth of fractures in the coal rock. The charging length of a general deep hole blasting drill hole is more than 10m, and the hole sealing length of the blasting drill hole is not less than 5 m. At present, the hole sealing mode generally adopted on site is yellow mud hole sealing, but at present, in site construction, deep hole blasting generates larger axial impact force due to longer charging length and larger charging amount, so that hole sealing materials such as yellow mud are easy to lose efficacy and are sprayed out, the blasting effect is influenced by the spraying of the explosive due to explosion, and larger potential safety hazards are brought in explosive dangerous environments such as high gas, dust and the like.
Although the existing sealing agent exists, on one hand, the sealing agent lacks adhesion force before the sealing agent works and is difficult to convey to a required depth, and on the other hand, as the to-be-sealed part of deep hole blasting is often vertically downward, the sealing agent cannot be conveyed and fixed to a place more than five meters in a deep hole, the sealing agent is difficult to be uniformly contacted with water and is solidified for sealing the hole, the strength of the sealing hole is difficult to judge, and the sealing agent has great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, and the safe, reliable and easy-to-implement deep hole blasting hole sealing device is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a deep hole blasting hole sealing device which characterized in that: the hole sealing device comprises a hole sealing device body and a water drum, wherein the hole sealing device body is composed of a containing bag and a hole sealing agent filled in the containing bag, the containing bag is arranged in a sealing mode, and the water drum is arranged in the hole sealing agent of the hole sealing device body.
The bagged hole sealing agent is more easily conveyed to any depth, the specific position of the hole sealing agent can be determined, and the hole sealing agent is easily clamped in a hole and cannot fall off when a blast hole is vertically downward. The hole sealing device for deep hole blasting can complete hole sealing only by giving certain strength impact after being sent to a required position.
The water bags are uniformly distributed in the hole sealing agent, and are more fragile and easy to break, so that moisture in the extruded containing bag can be released by breaking in the process of conveying the deep hole blasting hole sealing device to the deep hole blasting hole sealing device, and the moisture is in contact with the hole sealing agent from inside to outside, so that all the hole sealing agent in the deep hole blasting hole sealing device can be fully in contact with the moisture and can be expanded and solidified.
Preferably, the holding bag material be kraft paper or cellophane, certain moisture can adhere to the surface, only need bubble water during the use to soak, send suitable position after giving certain oppression or impact and can break, the contact of adnexed moisture promptly dilatancy solidifies rapidly on inside sealant and the holding bag accomplishes the hole sealing, continues to repeat above step according to required intensity difference, uses the hole sealing of a plurality of this deep hole blasting hole sealing device can accomplish certain length and intensity.
Preferably, the outer package material of the water bag is a plastic film. The water drum is made of an easily-broken water-proof material, the strength of the easily-sealed plastic bag in the sealant is smaller than that of the containing bag, the sealant can be prevented from being easily broken in the delivering process to cause solidification of the sealant, even if the bag has certain water absorption performance, expansion of the broken sealant can not be influenced due to the extremely short whole operation process, plastics, metal or glass fibers can be added into the water drum, the water drum can be easily broken, and the sealant can be higher in strength after solidification and is not easy to spray holes.
Preferably, a plurality of water bags are dispersed in the sealant, and the volume of the sealant is 3-10 times of the total volume of the water bags. The volume ratio of the sealant to the water drum in the range does not influence the strength of the sealant after solidification, and can ensure that all the sealants are fully solidified.
The utility model provides a deep hole blasting hole sealing structure which characterized in that: the device comprises a blast hole, a explosive tube and any one of the deep hole blasting and sealing devices; the explosive tube and the deep hole blasting hole sealing device are sequentially filled in the blasting hole from inside to outside, the explosive tube is sealed in the blasting hole by the deep hole blasting hole sealing device, and a lead of the explosive extends to the outer side of the blasting hole after passing through the deep hole blasting hole sealing device.
Preferably, a plurality of deep hole blasting hole sealing devices which are sequentially arranged along the length direction of the blasting hole are arranged in the blasting hole.
Compared with the prior art, the utility model discloses the beneficial effect who has is: the hole sealing operation in all directions can be adapted; each group of deep hole blasting hole sealing devices can be independently expanded and solidified so as to determine and feed back the solidification state and strength to operators; the containing bag and the water drum enable the hole sealing agent to enter the blast hole with water, and the water drum which is uniformly distributed enables all the hole sealing agent to fully contact with the water, so that the difficulty of expansion and solidification of the hole sealing agent is reduced; meanwhile, the use efficiency and the strength of the hole sealing agent are increased; the glass or metal fiber further increases the strength of the hole sealing effect; deep hole blasting hole sealing system owing to do not need the hole sealing agent to send the moisturizing after reaching, prevented moisture to the multiple influence of lead wire, greatly increased the security of hole sealing blasting operation.
Drawings
Fig. 1 is the utility model discloses embodiment 1 deep hole blasting hole sealing device sketch.
Fig. 2 is the embodiment 4 of the utility model discloses deep hole blasting hole sealing structure sketch map.
Figure 3 is a schematic cross-sectional view of one of the charge tube structures AA in a blast hole.
Wherein, 1 hole sealing agent, 2 holding bags, 3 water bags, 4 blast holes, 5 deep hole blasting hole sealing devices, 6 leads, 7 explosives, 8 energy gathering grooves, 9 detonators and 10 explosive tubes.
Detailed Description
Embodiment 1 is the best embodiment of the present invention, and the present invention will be further explained with reference to fig. 1 to 3.
The sealant used in the following examples is a Jinding quick-setting expansion sealant purchased from Jinding safety technologies, Inc.
Example 1
A deep hole blasting and sealing device is shown in figure 1.
Including hole sealing device body and water drum 3, the hole sealing device body comprises splendid attire bag 2 and the sealant 1 of filling in the splendid attire bag, and 2 sealed settings are packed to splendid attire bag 2, and water drum 3 sets up in the sealant 1 of hole sealing device body to 2~3 5cm iron wires respectively still have in the water drum 3, and the volume of sealant 1 is about 4 times of 3 total volumes of water drum.
1) A high-water-absorption fiber paper bag purchased from Nantong Jianghuai textile science and technology Limited company is used as the containing bag 2 for containing the hole sealing agent 1, and the paper bag is cylindrical, and has the diameter of 6cm and the length of 20 cm.
2) 4 water bags 3 packaged by polyethylene quick-sealing bags are embedded in the filled hole sealing agent 1, each water bag contains 150ml of water, 2-3 iron wires of 5cm are placed in each water bag, and the packaging paper bags are made into a deep hole blasting hole sealing device 5.
3) The deep hole blasting hole sealing device 5 is soaked in water for 60s, and the water depth is at least 10cm higher than that of the deep hole blasting hole sealing device 5.
4) And (3) conveying the deep hole blasting hole sealing device 5 to a position which is 15m high upwards in the vertical blasting hole and has a pore diameter of 7.6cm by using a hard plastic pipe, and giving a large impact force until the deep hole blasting hole sealing device 5 is broken.
5) Directly feeding the plastic pipe into the next deep hole blasting hole sealing device 5 until the plastic pipe cannot penetrate deeply, giving a large impact force until the device is broken, repeatedly feeding the plastic pipe into 10 sets of deep hole blasting hole sealing devices 5 in total, and finally feeding the plastic pipe into the deep hole blasting hole sealing device for 18min until the length of the plastic pipe is less than 9 m.
Example 2
The step 1) of the embodiment 1 is changed into a polyethylene plastic bag to be used as a containing bag 2 for containing and sealing holes, and the step 1) of the deep hole blasting and sealing device 5 is soaked in water for 70s under the same other conditions.
The final time is 25 min.
Example 3
In example 1, no iron wire was placed in the water bag 3, and the other conditions were the same.
Example 4
A deep hole blasting and sealing structure is shown in figure 2.
The innermost part of the blast hole 4 is provided with a plurality of explosive tubes 10, then a hard long rod or a hard plastic tube is used for conveying the deep hole blasting hole sealing device 5 to a position 15m in the hole, one-time plugging is realized by applying force rapidly and giving an impact force, the deep hole blasting hole sealing device 5 is conveyed repeatedly for multiple times until the total plugging length is 6m, and a lead 6 is used for connecting the outer part with the explosive tubes 10 before plugging.
Wherein, the inside of the explosive tube 10 is provided with an energy gathering groove 8 which wraps the detonator 9 and is fixed in the shell of the explosive tube 10, and the explosive 7 fills the rest part of the explosive, as shown in figure 3.
After hole sealing is finished, the explosive tube 10 is detonated through the lead 6, and blasting is finished.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a deep hole blasting hole sealing device which characterized in that: the hole sealing device comprises a hole sealing device body and a water drum (3), wherein the hole sealing device body is composed of a containing bag (2) and a hole sealing agent (1) filled in the containing bag (2), the containing bag (2) is arranged in a sealing mode, and the water drum (3) is arranged in the hole sealing agent (1) of the hole sealing device body.
2. The deep hole blasting hole sealing device according to claim 1, characterized in that: the containing bag (2) is a water-absorbing fiber paper bag or a kraft paper bag.
3. The deep hole blasting hole sealing device according to claim 1, characterized in that: the outer package material of the water bag (3) is a plastic film.
4. The deep hole blasting hole sealing device according to claim 1, characterized in that: the sealing agent (1) is internally provided with a plurality of water bags (3) in a dispersed mode, and the volume of the sealing agent (1) is 3-10 times of the total volume of the water bags (3).
5. The utility model provides a deep hole blasting hole sealing structure which characterized in that: comprises a blast hole (4), a explosive tube (10) and a deep hole blasting hole sealing device (5) according to any one of claims 1 to 4; the explosive tube (10) and the deep hole blasting hole sealing device (5) are sequentially filled in the blasting hole (4) from inside to outside, the explosive tube (10) is sealed in the blasting hole (4) by the deep hole blasting hole sealing device (5), and a lead (6) of the explosive tube (10) extends to the outer side of the blasting hole (4) after passing through the deep hole blasting hole sealing device (5).
6. The hole sealing structure for deep hole blasting according to claim 5, wherein: and a plurality of deep hole blasting hole sealing devices (5) which are sequentially arranged along the length direction of the blasting hole are arranged in the blasting hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021266160.8U CN212458150U (en) | 2020-07-02 | 2020-07-02 | Deep hole blasting hole sealing device and deep hole blasting hole sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021266160.8U CN212458150U (en) | 2020-07-02 | 2020-07-02 | Deep hole blasting hole sealing device and deep hole blasting hole sealing structure |
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| CN212458150U true CN212458150U (en) | 2021-02-02 |
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| CN202021266160.8U Active CN212458150U (en) | 2020-07-02 | 2020-07-02 | Deep hole blasting hole sealing device and deep hole blasting hole sealing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608399A (en) * | 2022-03-28 | 2022-06-10 | 嵩县金牛有限责任公司 | Portable hole sealing method for mine tunneling blasting |
-
2020
- 2020-07-02 CN CN202021266160.8U patent/CN212458150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608399A (en) * | 2022-03-28 | 2022-06-10 | 嵩县金牛有限责任公司 | Portable hole sealing method for mine tunneling blasting |
| CN114608399B (en) * | 2022-03-28 | 2023-09-08 | 嵩县金牛有限责任公司 | Portable hole sealing method for mine tunneling blasting |
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