CN205089229U - A double cannula device for underwater blasting drilling - Google Patents
A double cannula device for underwater blasting drilling Download PDFInfo
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- CN205089229U CN205089229U CN201520863040.9U CN201520863040U CN205089229U CN 205089229 U CN205089229 U CN 205089229U CN 201520863040 U CN201520863040 U CN 201520863040U CN 205089229 U CN205089229 U CN 205089229U
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- guard aperture
- guide pipe
- double
- drilling rod
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Abstract
The utility model discloses a double cannula device for underwater blasting drilling, include the moving casing that becomes by the stand pipe and the guard aperture nest of tubes, the welding of the upper end of stand pipe has a ring flange, offers a wire -out grooves who runs through the stand pipe pipe shaft on the pipe shaft of stand pipe, the lower extreme opening of stand pipe, the double key socket has been offered to the upper end open end of guard aperture pipe, lies in to install on the lower extreme guard aperture pipe of this double key socket to have the movable drop handle of carrying the ear, and the bottom of guard aperture pipe sets up an alloy bit, and this alloy bit be the carbide drill bit, and drilling rod top -down inserts in the stand pipe, and the lower extreme of drilling rod is installed a double key plug and is perhaps installed a downhole air hammer. The utility model discloses a can form the moving casing between stand pipe and the guard aperture pipe, when construction region water level variation, the guard aperture pipe can reciprocate in the stand pipe, effectively overcomes the influence of water -level fluctuation, improves perforating efficiency, the smooth implementation of guarantee drilling construction under water and security, the stability of construction boats and ships.
Description
Technical field
The utility model relates to one and belongs to underwater drilling field, is specifically related to a kind of double-jacket tube device for underwater demolition boring.
Background technology
In the drilling construction carrying out underwater drilling and blasting, in order to ensure the smooth enforcement of boring, sleeve pipe be adopted to carry out guard aperture, the sleeve pipe adopted at present is all single sleeve pipe.The use procedure of sleeve pipe is before starting to hole, sleeve pipe is transferred to the position needing to carry out holing, boring is started afterwards along sleeve pipe lowering drill pipes and down-the-hole air hammer, drilling rod and down-the-hole air hammer is mentioned after boring, along sleeve pipe, the detonating material powder column carrying out processing is put into the hole of having bored afterwards, finally mention sleeve pipe.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of impact that effectively can overcome SEA LEVEL VARIATION, improve pore-forming efficiency, ensure the double-jacket tube device for underwater demolition boring of the safety of the smooth enforcement that underwater drilling is constructed and construction ship, stability.
The utility model is achieved through the following technical solutions: a kind of double-jacket tube device for underwater demolition boring, comprise the moving casing be made up of guide pipe and guard aperture pipe, the upper end of described guide pipe is welded with a flange, flange snaps in the well head of operation platform, the pipe shaft of guide pipe offers the line outlet groove that runs through guide pipe pipe shaft, the lower ending opening of guide pipe, guard aperture pipe is set in guide pipe from top to bottom, the upper end open end of described guard aperture pipe offers double bond socket, the lower end guard aperture pipe being positioned at this double bond socket is provided with the movable drop handle with lifting ear, wire rope is installed with in lifting ear, lifting ear is installed in the line outlet groove on guide pipe, the bottom of guard aperture pipe arranges an alloy bit, this alloy bit is carbide drill, drilling rod is inserted in guide pipe from top to bottom, described drilling rod is hollow shape, drilling rod upper end open end connects with air compressor machine, the lower end of drilling rod is installed a double bond plug or installs a down-the-hole air hammer.
As preferred technical scheme, double bond socket in described double bond plug and guard aperture pipe is fastened and connected, described down-the-hole air hammer is arranged in guard aperture pipe inner, and the bottom of down-the-hole air hammer stretches out in the outside of guard aperture pipe, and the bottom of down-the-hole air hammer arranges a drill hammer.
As preferred technical scheme, the diameter of described flange is 200mm, and the length of the line outlet groove of guide pipe is 30mm, and the external diameter of guide pipe is 168mm, and the wall thickness of guide pipe is 8mm.
As preferred technical scheme, the external diameter of described alloy bit is 130mm, and the external diameter of guard aperture pipe is 127mm, and wall thickness is 5mm.
As preferred technical scheme, the external diameter of described drilling rod is 50mm, and the outside diameter of down-the-hole air hammer is 105-115mm.
The beneficial effects of the utility model are: the double-jacket tube be made up of guide pipe, guard aperture pipe of the utility model research and development, rational in infrastructure, and pipe processing is simple, draw materials conveniently, can reuse, hang that speed is fast, simple operation, save non-cutting time of holing, efficiency of construction is high.
Moving casing can be formed between guide pipe and guard aperture pipe, when construction area fluctuation of water table, guard aperture pipe can move up and down in guide pipe, effectively overcomes the impact of SEA LEVEL VARIATION, improve pore-forming efficiency, ensure the safety of the smooth enforcement that underwater drilling is constructed and construction ship, stability.
Have alloy bit bottom guard aperture pipe, the covering layer that can drill various complexity enters into basement rock, plays stable guard aperture effect.Improve the underwater drilling efficiency of construction under complex geological condition, shorten the construction period.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure view of guide pipe and guard aperture pipe in the utility model;
Fig. 2 is the sectional drawing of guide pipe in the utility model;
Fig. 3 is the sectional drawing of guard aperture pipe in the utility model.
Detailed description of the invention
All features disclosed in this manual, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this manual (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of double-jacket tube device for underwater demolition boring of the present utility model, comprise the moving casing be made up of guide pipe 1 and guard aperture pipe 2, the upper end of described guide pipe 1 is welded with a flange 3, flange 3 is stuck in the well head of operation platform, the pipe shaft of guide pipe 1 offers the line outlet groove 4 that runs through guide pipe pipe shaft, the lower ending opening of guide pipe 1, guard aperture pipe 2 is set in guide pipe 1 from bottom to top, the upper end open end of described guard aperture pipe 2 offers double bond socket 5, the lower end guard aperture pipe 2 being positioned at this double bond socket 5 is provided with the movable drop handle 7 with lifting ear 6, wire rope is installed with in lifting ear 6, lifting ear 6 is installed in the line outlet groove 4 on guide pipe 1, the bottom of guard aperture pipe 2 arranges an alloy bit 8, this alloy bit 8 is carbide drill, drilling rod 9 is inserted in guide pipe from top to bottom, described drilling rod 9 is in hollow shape, drilling rod 9 upper end open end connects with air compressor machine, the lower end of boring 9 bars is installed a double bond plug 10 or installs a down-the-hole air hammer 11.
Wherein, double bond plug 10 is fastened and connected with the double bond socket 5 in guard aperture pipe 2, and described down-the-hole air hammer 11 is arranged in guard aperture pipe inner, and the bottom of down-the-hole air hammer stretches out in the outside of guard aperture pipe, and the bottom of down-the-hole air hammer arranges a drill hammer 12.
Wherein, the diameter of flange 3 is 200mm, and the length of the line outlet groove 4 of guide pipe 1 is 30mm, and the external diameter of guide pipe 1 is 168mm, and the wall thickness of guide pipe 1 is 8mm, and the Main Function of flange 3 is the well heads being stuck in operation platform, ensures that guide pipe can not drop in water.
Wherein, the external diameter of alloy bit 8 is 130mm, and the external diameter of guard aperture pipe is 127mm, and wall thickness is 5mm, and the effect of alloy bit is creeping into for guard aperture pipe.
Wherein, the external diameter of drilling rod 9 is 50mm, and the outside diameter of down-the-hole air hammer 11 is 105-115mm, and drilling rod mainly transmits axial compression and rotary torsion square creeping in code, can transmit gases at high pressure simultaneously; Down-the-hole air hammer can rotary-percussive drilling.
Guide pipe: mainly leading of guide pipe, can make the powder column of guard aperture pipe and emulsion along up and down, can and guard aperture pipe form moving casing; Drilling rod and down-the-hole air hammer can be protected.
Guard aperture pipe: guard aperture pipe has guide function and creep into function, guide effect can be the powder column of emulsion along up and down, can and guide pipe form moving casing, drilling rod and down-the-hole air hammer can be protected.
Movable drop handle and lifting ear: put on wire rope in lifting ear and just can hang guard aperture pipe, movable drop handle is stuck in below guard aperture tube head, because drop handle is movable so power can not be transmitted guide pipe when guide pipe creeps into, thus ensure the stable of guide pipe.
Guide pipe occurs groove, and line outlet groove has guide effect, the effect of deslagging effect and the payment to a porter of taking-up detonator.
As shown in Figure 2, have double bond socket in the guard aperture tube head in the utility model patent, the effect of this double bond socket is that double bond plug is being connected with double bond socket, and guard aperture pipe just can be made to creep into when drilling rod connects double bond plug; Movable drop handle below guard aperture tube head and lifting ear effect just can hang guard aperture pipe when putting on wire rope in lifting ear, and the effect of movable drop handle can ensure that guard aperture pipe can not affect the stable of conduit when creeping into; Have annular alloy bit bottom guard aperture pipe, the effect of this drill bit mainly can pass covering layer when guard aperture pipe bit enters, and enters basement rock scar.
As shown in Figure 3, when guard aperture pipe bit proceed to basement rock scar play stable guard aperture time, exit double bond plug, drilling rod connecting down-the-hole air hammer, hole with down-the-hole air hammer, after boring, mention down-the-hole air hammer and boring, then along guide pipe and guard aperture pipe, the powder column of emulsion is put into hole, finally mention guard aperture pipe and guide pipe.
The use step of guide pipe and guard aperture pipe:
Step one: after completing boring location, hang guide pipe in water;
Step 2: hang guard aperture pipe in water along guide pipe;
Step 3: hang the drilling rod being connected to double bond plug, makes double bond plug be connected with double bond socket;
Step 4: start rig, air compressor machine, is that guard aperture pipe starts to creep into, enters into basement rock scar through covering layer;
Step 5: exit double bond plug, changes down-the-hole air hammer and holes;
Step 6: hole complete, mentions drilling rod and down-the-hole air hammer, along guide pipe and guard aperture pipe the detonating material powder column processed, puts into hole;
Step 6: mention guide pipe, from occurring that groove takes out the payment to a porter of detonator, finally mentions guide pipe.
The beneficial effects of the utility model are: the double-jacket tube be made up of guide pipe, guard aperture pipe of the utility model research and development, rational in infrastructure, and pipe processing is simple, draw materials conveniently, can reuse, hang that speed is fast, simple operation, save non-cutting time of holing, efficiency of construction is high.
Moving casing can be formed between guide pipe and guard aperture pipe, when construction area fluctuation of water table, guard aperture pipe can move up and down in guide pipe, effectively overcomes the impact of SEA LEVEL VARIATION, improve pore-forming efficiency, ensure the safety of the smooth enforcement that underwater drilling is constructed and construction ship, stability.
Have alloy bit bottom guard aperture pipe, the covering layer that can drill various complexity enters into basement rock, plays stable guard aperture effect.Improve the underwater drilling efficiency of construction under complex geological condition, shorten the construction period.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (5)
1. the double-jacket tube device for underwater demolition boring, it is characterized in that: comprise the moving casing be made up of guide pipe and guard aperture pipe, the upper end of described guide pipe is welded with a flange, flange snaps in the well head of operation platform, the pipe shaft of guide pipe offers the line outlet groove that runs through guide pipe pipe shaft, the lower ending opening of guide pipe, guard aperture pipe is set in guide pipe from top to bottom, the upper end open end of described guard aperture pipe offers double bond socket, the lower end guard aperture pipe being positioned at this double bond socket is provided with the movable drop handle with lifting ear, wire rope is installed with in lifting ear, lifting ear is installed in the line outlet groove on guide pipe, the bottom of guard aperture pipe arranges an alloy bit, this alloy bit is carbide drill, drilling rod is inserted in guide pipe from top to bottom, described drilling rod is hollow shape, drilling rod upper end open end connects with air compressor machine, the lower end of drilling rod is installed a double bond plug or installs a down-the-hole air hammer.
2. the double-jacket tube device for underwater demolition boring according to claim 1, it is characterized in that: the double bond socket in described double bond plug and guard aperture pipe is fastened and connected, it is inner that described down-the-hole air hammer is arranged at guard aperture pipe, the bottom of down-the-hole air hammer stretches out in the outside of guard aperture pipe, and the bottom of down-the-hole air hammer arranges a drill hammer.
3. the double-jacket tube device for underwater demolition boring according to claim 1, it is characterized in that: the diameter of described flange is 200mm, the length of the line outlet groove of guide pipe is 30mm, and the external diameter of guide pipe is 168mm, and the wall thickness of guide pipe is 8mm.
4. the double-jacket tube device for underwater demolition boring according to claim 1, it is characterized in that: the external diameter of described alloy bit is 130mm, the external diameter of guard aperture pipe is 127mm, and wall thickness is 5mm.
5. the double-jacket tube device for underwater demolition boring according to claim 1, it is characterized in that: the external diameter of described drilling rod is 50mm, the outside diameter of down-the-hole air hammer is 105-115mm.
Priority Applications (1)
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CN201520863040.9U CN205089229U (en) | 2015-10-29 | 2015-10-29 | A double cannula device for underwater blasting drilling |
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CN201520863040.9U CN205089229U (en) | 2015-10-29 | 2015-10-29 | A double cannula device for underwater blasting drilling |
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CN205089229U true CN205089229U (en) | 2016-03-16 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105863507A (en) * | 2016-06-06 | 2016-08-17 | 深圳市工勘岩土集团有限公司 | Double-sleeve drilling equipment |
CN107356168A (en) * | 2017-07-25 | 2017-11-17 | 中铁四局集团第二工程有限公司 | Underwater blasting construction method for deepwater inclined bare rock foundation |
CN107503680A (en) * | 2017-08-30 | 2017-12-22 | 河南豫中地质勘察工程公司 | A kind of ground major diameter fast pore-creating drilling equipment and its method |
-
2015
- 2015-10-29 CN CN201520863040.9U patent/CN205089229U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105863507A (en) * | 2016-06-06 | 2016-08-17 | 深圳市工勘岩土集团有限公司 | Double-sleeve drilling equipment |
CN107356168A (en) * | 2017-07-25 | 2017-11-17 | 中铁四局集团第二工程有限公司 | Underwater blasting construction method for deepwater inclined bare rock foundation |
CN107503680A (en) * | 2017-08-30 | 2017-12-22 | 河南豫中地质勘察工程公司 | A kind of ground major diameter fast pore-creating drilling equipment and its method |
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Address after: 510000 room 701, No. 271, Zhujiang East Road, Nansha District, Guangzhou City, Guangdong Province Patentee after: CNNC port and Waterway Engineering Co., Ltd Address before: Haizhuqu District yanzigang road modulation street Guangzhou city Guangdong province 510280 No. 6 three fifth, sixth floor Patentee before: GUANGDONG HONGDA GUANGHANG ENGINEERING Co.,Ltd. |
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CP03 | Change of name, title or address |