CN208718578U - Drilling on waterways casing correcting adjuster - Google Patents
Drilling on waterways casing correcting adjuster Download PDFInfo
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- CN208718578U CN208718578U CN201821451029.1U CN201821451029U CN208718578U CN 208718578 U CN208718578 U CN 208718578U CN 201821451029 U CN201821451029 U CN 201821451029U CN 208718578 U CN208718578 U CN 208718578U
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- casing
- guard aperture
- angular adjustment
- double pipe
- drilling
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Abstract
The utility model relates to a kind of drilling on waterways casing correcting adjusters, belong to hydraulic and hydroelectric engineering, exploration construction auxiliary device.Angular adjustment set is fixedly connected by flange with the upper flange for coupling pedestal, leading double pipe is inserted into angular adjustment set, stop collar on leading double pipe is located above the bottom of angular adjustment set, angular adjustment covers upper 4 adjusting bolt front ends and leading double pipe apical grafting, guard aperture casing and leading double pipe clearance fit connect into a root long pipe by guard aperture casing joint between guard aperture casing.Advantage is structure novel, is covered by angular adjustment and adjusts bolt and can be convenient, reliably adjust guard aperture casing inclined direction in water and angle, provides effective technical support to complete high-precision drill in river；The drilling accident that guard aperture casing falls off or bends as caused by fluctuation in stage is avoided, production efficiency is improved.
Description
Technical field
The utility model belongs to hydraulic and hydroelectric engineering, exploration construction auxiliary device, is mainly used for drilling on waterways and overcomes water flow
It influences, guarantees the right angle setting of guard aperture casing, drill precise positioning in water to realize and guarantee borehole perpendicularity, while also solving
The problems such as certainly how the fluctuation casing of water level accordingly stretches.
Background technique
Drilling on waterways, which refers to, carries out engineering drilling work in waters such as river, river, lake and coastal waters, for the probing of land,
It is influenced by the depth of water, water flow velocity, fluctuation in stage, stormy waves, meteorology and tidewater etc., difficulty of construction is big, and security risk is high.And with China
Economic and science and technology high speed development, higher and higher (such as the rock plug of the required precision of boring positioning and hole deviation for drilling on waterways
Rock plug in explosion reconnoitres hole), high-precision borehole is extremely difficult in deep water tachydromile section using conventional drilling on waterways method
Technical requirements must take special construction technology and technical measures.
Drilling on waterways needs tripping in guard aperture casing, and effect is to completely cut off water flow to the impact of probing utensil and determine position of opening
It play the guiding role with to drilling, therefore lower straight guard aperture casing is the precondition for realizing high-precision borehole waterborne, it may be said that lower straight
Guard aperture casing just completes the half work of high-precision borehole waterborne.Have for the lower straight generally common method of guard aperture casing and adds
Weight body method, oblique pull adjust rope method and mobile drilling platform method.Weight body method is added generally to be only applicable to lake and reservoir etc. static
Waters or the minimum waters of flow velocity；Oblique pull adjusts rope method and uses more in the shallower tachydromile section of the depth of water, but the method is in reality
Due to the uncertainty of water flow size and Orientation in, it is difficult to carry out accurate and effective control to the casing in water flow by drawstring,
And with the intensification of the depth of water, adjusts the angle that rope is formed with casing and become smaller, drawstring can effect out of hand to casing；Mobile probing
Platform method operates very complicated, bad control, and will lead to drilling substantial deviation design hole location.For many years, in rapids
Under in anxious river the problem of straight guard aperture casing, never an effective good method, drilling on waterways are constructed in lower straight shield
A large amount of manpower and financial resources is often wasted on hole sleeve, and is extremely difficult to the technical requirements of high-precision borehole positioning and hole deviation.
The fluctuation of drilling on waterways water level influences drilling operation also very big, and driller unloads short sleeve method often through adding
It being normally carried out to guarantee to drill work, this method is clumsy and bad control, often due to fluctuation in stage is too fast in work progress,
Construction personnel has little time plus unloads suitable casing, and casing is caused to fall off or bend, and causes drilling accident.
Summary of the invention
The utility model provides a kind of drilling on waterways casing correcting adjuster, to solve conventional drilling on waterways method in depth
The problem of water tachydromile section is extremely difficult to high-precision borehole technical requirements.
The technical scheme adopted by the utility model is that: angular adjustment set passes through flange and the fixed company of the upper flange for coupling pedestal
It connects, leading double pipe is inserted into angular adjustment set, and the stop collar on leading double pipe is located above the bottom of angular adjustment set, angle tune
It saves and covers upper 4 adjusting bolt front ends and leading double pipe apical grafting, guard aperture casing and leading double pipe clearance fit, between guard aperture casing
A root long pipe is connected by guard aperture casing joint.
Leading double pipe described in the utility model welds the rigid structural constituted by both ends group for two concentric steel pipes.
Connection pedestal described in the utility model has the lower flange for being fixedly connected.
The utility model has the advantages that structure novel, covering adjusting bolt by angular adjustment be can be convenient, reliably
Guard aperture casing inclined direction in water and angle are adjusted, guard aperture casing can freely slide in leading double pipe, to guarantee
Guard aperture casing will not due to water level fluctuation and the drilling accident that falls off or bend；Make guard aperture casing in tachydromile condition
Under, installation becomes convenient and efficient in place, greatly improves construction efficiency, can save a large amount of manpower and financial resources；Make guard aperture set
Pipe pin can accurate movement to designing hole location, and guarantee the verticality of guard aperture casing, mentioned to complete high-precision drilling in river
Effective technical support is supplied；The drilling accident that guard aperture casing falls off or bends as caused by fluctuation in stage is avoided, is improved
Production efficiency.
The utility model is in conjunction with the readable high precision gradient meter in ground, it is convenient to realize to guard aperture casing pin positions into
Row fine tuning, to guarantee that the verticality at guard aperture casing pin meets high-precision borehole technical requirements.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of the utility model.
Specific embodiment
Angular adjustment set 3 is fixedly connected by flange 301 with the upper flange 401 for coupling pedestal 4, and leading double pipe 2 is inserted into angle
It spends in adjusting set 3, the stop collar 201 on leading double pipe 2 is located above the bottom of angular adjustment set 3, for limiting each other, angle
Spend 45 front ends of adjusting bolt in adjusting set 3 and 2 apical grafting of leading double pipe, guard aperture casing 1 and 2 clearance fit of leading double pipe, shield
A root long pipe is connected by guard aperture casing joint 6 between hole sleeve 1, guard aperture casing 1 passes through in 2 tripping in water of leading double pipe, and
Be located land under water, angular adjustment set 3 by 4 thereon adjust bolts control the inclined direction of leading double pipe 2 and
Angle, thus inclined direction and angle when controlling in guard aperture casing tripping in water；
The leading double pipe 2 welds the rigid structural constituted by both ends group for two concentric steel pipes；
Connection pedestal 4 has the lower flange 402 for being fixedly connected.
Working principle:
By turning the adjusting bolt 5 on angular adjustment set 3, leading double pipe 2 is pushed to generate one against the current around stop collar 201
Flow the tilt angle in direction, the size of tilt angle, according to the depth of water and water velocity come initial setting, by under leading double pipe 2
Enter guard aperture casing 1, guard aperture casing 1 offsets the flexing deformation that water flow impact pressure generates it by the tilt angle, thus real
Existing 1 pin of guard aperture casing is located drilling orifice under water near the upright projection point on land.It is surveyed using the readable high-precision in ground
Oblique instrument carries out real-time deviational survey to 1 pin of guard aperture casing, is turned according to the deviation data that inclinometer is shown and is adjusted on angular adjustment set 3
Bolt 5 accurately adjusts the size and Orientation at 1 inclination angle of guard aperture casing, until verticality meets height at guard aperture casing pin
Until precision drill technical requirements.
In addition guard aperture casing 1 is gap-matched with leading double pipe 2, and with the fluctuation of water level, guard aperture casing is double in guiding
It is corresponding free to slide in pipe, so that the drilling accident that guard aperture casing falls off or bends will not occur.
Claims (3)
1. a kind of drilling on waterways casing correcting adjuster, it is characterised in that: angular adjustment set by flange with couple the upper of pedestal
Flange is fixedly connected, and leading double pipe is inserted into angular adjustment set, and the stop collar on leading double pipe is located at the bottom of angular adjustment set
Top, angular adjustment cover upper 4 adjusting bolt front ends and leading double pipe apical grafting, guard aperture casing and leading double pipe clearance fit,
A root long pipe is connected by guard aperture casing joint between guard aperture casing.
2. a kind of drilling on waterways casing correcting adjuster according to claim 1, it is characterised in that: the leading double pipe is two
A concentric steel pipe welds the rigid structural constituted by both ends group.
3. a kind of drilling on waterways casing correcting adjuster according to claim 1, it is characterised in that: the connection pedestal is useful
In the lower flange being fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451029.1U CN208718578U (en) | 2018-09-05 | 2018-09-05 | Drilling on waterways casing correcting adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451029.1U CN208718578U (en) | 2018-09-05 | 2018-09-05 | Drilling on waterways casing correcting adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208718578U true CN208718578U (en) | 2019-04-09 |
Family
ID=65981161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821451029.1U Active CN208718578U (en) | 2018-09-05 | 2018-09-05 | Drilling on waterways casing correcting adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208718578U (en) |
-
2018
- 2018-09-05 CN CN201821451029.1U patent/CN208718578U/en active Active
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