CN210533198U - Deepwater drilling blasting device - Google Patents
Deepwater drilling blasting device Download PDFInfo
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- CN210533198U CN210533198U CN201921193809.5U CN201921193809U CN210533198U CN 210533198 U CN210533198 U CN 210533198U CN 201921193809 U CN201921193809 U CN 201921193809U CN 210533198 U CN210533198 U CN 210533198U
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Abstract
The utility model discloses a deepwater drilling blasting device, which comprises a blasting tube for containing explosive, a sealing cover and a gland, wherein the opening of the blasting tube is provided with an internal thread, the sealing cover comprises a cover plate and a sealing column, the sealing column is arranged at the center of the cover plate, the periphery of the sealing column is provided with an external thread matched with the internal thread, the cover plate is provided with a ring groove for placing a sealing ring around the sealing column, the center of the sealing column is provided with a cylindrical hole and a round platform hole, the cylindrical hole is communicated with the blasting tube, the smaller end of the round platform hole is connected with the cylindrical hole and penetrates through the cover plate, a round platform-shaped valve clack body is arranged in the round platform hole, the valve clack body is high-elasticity, the peripheral wall of the valve clack body is fixedly connected with the inner wall of the round platform hole, a downward dome is inverted to form an equally-divided membrane clack, the water penetration can be effectively prevented, and the blasting efficiency is improved.
Description
Technical Field
The utility model relates to a hydraulic and hydroelectric engineering probing technical field particularly, relates to a deep water probing blasting device.
Background
In the existing hydroelectric and hydraulic engineering drilling, the used underwater blasting method mainly adopts simple waterproof measures and can carry out blasting in a certain depth underwater; the requirement for the pressure resistance and sealing of the blaster is higher. On one hand, the time for putting down the blaster is long, so that the damage probability of the wire is increased; on the other hand, the blasting device is placed in water for a long time in the process of putting the blasting device down, and the condition that the blasting device fails is caused by water permeation due to poor self sealing performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a deep water probing blasting device can effectively prevent the infiltration of water, improves the blasting efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme:
a deepwater drilling blasting device comprises a blasting tube for containing explosives, a sealing cover and a gland, wherein an internal thread is arranged at an opening of the blasting tube, the sealing cover comprises a cover plate and a sealing column, the sealing column is arranged at the center of the cover plate, an external thread matched with the internal thread is arranged on the periphery of the sealing column, an annular groove for placing a sealing ring is formed in the cover plate in a manner of surrounding the sealing column, a cylindrical hole and a round platform hole are formed in the center of the sealing column, the cylindrical hole is communicated with the blasting tube, a smaller end of the round platform hole is connected with the cylindrical hole and penetrates through the cover plate, a round platform-shaped valve clack body is arranged in the round platform hole, the valve clack body is a high-elasticity valve clack, the peripheral wall of the valve clack body is fixedly connected with the inner wall of the round platform hole in a sealing manner, an evenly-, a high-elasticity rubber ring is arranged at the jack; the hole diameters of the jack and the cylindrical hole are larger than the outer diameter of the explosion-proof cable, and the inner diameter of the rubber ring in a natural state is smaller than the outer diameter of the explosion-proof cable.
The iron sand is equipped with to the bottom of blasting tube, and the iron sand top is provided with the pitch layer, and pitch layer top is provided with the dog, the dog is the ascending toper face of cone angle towards the one side of explosive.
The blasting tube be fibre winding's high-pressure pipe.
The sealing cover and the gland are made of wood materials.
The valve clack material be high elastic force rubber.
The utility model has the advantages that: the sealing cover of the blasting tube is provided with the high-elasticity valve clack, so that the internal liquid cannot flow out, and meanwhile, the blasting cable can well play a role in sealing after being inserted; the upper part of the explosion-proof cable is provided with a gland shielding valve body, a high-elasticity rubber ring is arranged at the jack of the gland, the explosion-proof cable is inserted from the rubber ring, and the explosion-proof cable further plays a role in sealing after being inserted into the rubber ring.
Drawings
Fig. 1 is a cross-sectional view of the blasting apparatus of the present invention;
fig. 2 is a sectional view of the blasting apparatus of example 2.
Fig. 3 is a cross-sectional view of the sealing cap of the present invention;
fig. 4 is a plan view of the blasting apparatus of the present invention.
Reference numerals: 1. blasting a tube; 2. a sealing cover; 3. a gland; 11. iron sand; 12. asphalt; 13. a stopper; 21. A cylindrical hole; 22. a circular truncated cone hole; 23. a cover plate; 24. sealing the column; 25. a valve flap body; 26. a seal ring; 31. A jack; 311. a rubber ring; 312. and (4) screws.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, a deepwater drilling blasting device comprises a blasting tube 1 for containing explosives, a sealing cover 2 and a pressing cover 3, wherein an opening of the blasting tube 1 is provided with an internal thread, the sealing cover 2 comprises a cover plate 23 and a sealing column 24, the sealing column 24 is arranged at the center of the cover plate 23, an external thread matched with the internal thread is arranged on the periphery of the sealing column 24, the cover plate 23 is provided with an annular groove for placing a sealing ring 26 around the sealing column 24, the center of the sealing column 24 is provided with a cylindrical hole 21 and a circular truncated cone hole 22, the cylindrical hole 21 is communicated with the blasting tube 1, the smaller end of the circular truncated cone hole 22 is connected with the cylindrical hole 21 and penetrates through the cover plate 23, a circular truncated cone-shaped valve flap body 25 is arranged in the circular truncated cone hole 22, the valve flap body 25 is high in elasticity, the outer peripheral wall of the valve flap body 25 is fixedly connected with, a gland 3 is fixedly arranged above the sealing cover 2, an insertion hole 31 communicated with the circular table hole 22 is formed in the gland 3, and a high-elasticity rubber ring 311 is arranged at the insertion hole 31; the aperture of the jack 31 and the aperture of the cylindrical hole 21 are both larger than the outer diameter of the explosion-proof cable, and the inner diameter of the rubber ring 311 in a natural state is smaller than the outer diameter of the explosion-proof cable.
When the explosion-proof cable is used, the sealing cover is unscrewed, explosive is filled in the explosion tube 1, then the explosion-proof cable is inserted into the jack 31 from the rubber ring 311, the inner diameter of the rubber ring 311 in a natural state is smaller than the outer diameter of the explosion-proof cable, the rubber ring 311 is tightly wrapped around the explosion-proof cable under the action of elasticity, external water is prevented from entering, and meanwhile, the cable cannot be damaged under tight friction due to the flexibility of the rubber ring; the detonating cable enters the circular table hole 22 through the jack 31 and is inserted into the cylindrical hole 21 below from the valve flap body 25, and due to the high elasticity of the valve flap body 25, the detonating cable can be tightly wrapped, and meanwhile, due to the unidirectionality, the liquid inside the detonating cable can be prevented from flowing out; at this point, the detonating cable penetrates through the sealing cover through the cylindrical hole 21, then a detonator is installed on the detonating cable, the detonator is placed in the explosive of the blasting tube 1, and the sealing cover is closed to complete the installation of the blasting device.
The valve body adopts a strong adhesive to seal and fixedly connect the peripheral wall of the valve body on the inner wall of the circular table hole. The periphery of the rubber ring is also fixedly connected to the inner wall of the jack through a strong adhesive.
The gland 3 is fixedly arranged above the sealing cover 2 through screws.
A sealing ring can be additionally arranged between the gland and the sealing cover to further improve the sealing performance.
Example 2
This example is based on example 1:
as shown in fig. 2, iron sand 11 is loaded at the bottom of the blasting tube 1, an asphalt layer 12 is arranged above the iron sand 11, a stop block 13 is arranged above the asphalt layer 12, and one surface of the stop block 13 facing the explosive is a conical surface with an upward conical angle.
The iron sand is additionally arranged at the bottom of the blasting tube, so that the specific gravity of the blasting tube is increased, and the blasting tube can be smoothly placed in a specified position; add the pitch layer in the iron sand top, play the effect of buffering, prevent that explosive explosion energy from exploding along the axial, pitch layer top sets up the ascending conical surface of cone angle, and the conical surface plays the effect of reflection explosion energy, also is along the axial explosion in order to prevent explosive explosion energy, further improves explosive energy utilization.
Example 3
This example is based on example 1:
the blasting tube 1 is a high-pressure tube wound by fibers. The blasting tube is deformed by overcoming the water pressure.
The high-pressure pipe is a stainless steel pipe.
Example 4
This example is based on example 1:
the blasting tube 1 is a high-pressure tube wound by fibers.
The sealing cover 2 and the pressing cover 3 are both made of wood materials. Wooden material can expand the extrusion, and sealed effect is better, has the cushioning effect during the explosion simultaneously, prevents that explosive explosion energy from exploding along the axial.
The valve clack material be high elastic force rubber, sealed effect is better.
The connection mode not mentioned in the utility model is conventional welding, screw or threaded connection.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A deepwater drilling blasting device is characterized in that: comprises a blasting tube for containing explosives, a sealing cover and a gland, wherein an internal thread is arranged at the opening of the blasting tube, the sealing cover comprises a cover plate and a sealing column, the sealing column is arranged at the center of the cover plate, the periphery of the sealing column is provided with an external thread matched with the internal thread, the cover plate is provided with an annular groove for placing a sealing ring around the sealing column, the center of the sealing column is provided with a cylindrical hole and a circular truncated cone hole, the cylindrical hole is communicated with the blasting tube, the smaller end of the circular truncated cone hole is connected with the cylindrical hole and penetrates through the cover plate, the circular truncated cone-shaped valve clack body is arranged in the circular truncated cone hole, the valve flap body is a high-elasticity valve flap, the peripheral wall of the valve flap body is fixedly connected with the inner wall of the circular truncated cone hole in a sealing way, the inverted downward dome forms an equally-divided membrane flap, a gland is fixedly arranged above the sealing cover, a jack communicated with the circular truncated cone hole is formed in the gland, and a high-elasticity rubber ring is arranged at the jack; the hole diameters of the jack and the cylindrical hole are larger than the outer diameter of the explosion-proof cable, and the inner diameter of the rubber ring in a natural state is smaller than the outer diameter of the explosion-proof cable.
2. The deepwater drilling blasting device as recited in claim 1, wherein: the bottom of blasting tube is equipped with the iron sand, and the iron sand top is provided with the pitch layer, and pitch layer top is provided with the dog, the dog is the ascending toper face of cone angle towards the one side of explosive.
3. The deepwater drilling blasting device as recited in claim 1, wherein: the blasting tube is a high-pressure tube wound by fibers.
4. The deepwater drilling blasting device as recited in claim 1, wherein: the sealing cover and the pressing cover are both made of wood materials.
5. The deepwater drilling blasting device as recited in claim 1, wherein: the valve clack is made of high-elasticity rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193809.5U CN210533198U (en) | 2019-07-26 | 2019-07-26 | Deepwater drilling blasting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921193809.5U CN210533198U (en) | 2019-07-26 | 2019-07-26 | Deepwater drilling blasting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210533198U true CN210533198U (en) | 2020-05-15 |
Family
ID=70599378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921193809.5U Active CN210533198U (en) | 2019-07-26 | 2019-07-26 | Deepwater drilling blasting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210533198U (en) |
-
2019
- 2019-07-26 CN CN201921193809.5U patent/CN210533198U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610300 No. 60 Tuanjie West Road, Qingbaijiang District, Chengdu City, Sichuan Province Patentee after: Southwest Construction Engineering Co.,Ltd. of China Construction Eighth Engineering Bureau Address before: 610300 No. 60 Tuanjie West Road, Qingbaijiang District, Chengdu City, Sichuan Province Patentee before: SICHUAN TAILONG CONSTRUCTION GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |