CN210738467U - Elevation control device for horizontal directional drilling construction - Google Patents
Elevation control device for horizontal directional drilling construction Download PDFInfo
- Publication number
- CN210738467U CN210738467U CN201921564861.7U CN201921564861U CN210738467U CN 210738467 U CN210738467 U CN 210738467U CN 201921564861 U CN201921564861 U CN 201921564861U CN 210738467 U CN210738467 U CN 210738467U
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- China
- Prior art keywords
- horizontal directional
- directional drilling
- elevation
- annular steel
- pipeline
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- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract 5
- 238000007789 sealing Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses an elevation control device for horizontal directional drilling construction, the route axis location to horizontal directional drilling construction confirms the unearthed point of horizontal directional drilling mechanical equipment; annular steel casing cylinders for elevation control are arranged at the distance positions of each end of the construction axis of the horizontal directional drill, and the circle center of each annular steel casing cylinder is positioned on the construction axis of the horizontal directional drill; determining the elevation and the pipe diameter of the bottom of the pipeline on the wall of each protecting cylinder for bottom sealing of the bottom of each annular steel protecting cylinder; respectively arranging holes with the diameter larger than the pipe diameter of the pipeline on two opposite sides of each cylinder wall by taking the elevation of the bottom of the pipeline as a reference; the control guide arrow sequentially penetrates through the soil entry point, the hole of the annular steel protective cylinder and the soil exit point, the guide arrow is removed after the control guide arrow reaches the soil exit point, the horizontal directional drill bit and the pipeline connected with the horizontal directional drill bit are dragged back to the ground by the guide rod, the pipeline is ensured to pass through the soil exit point, the hole of the annular steel protective cylinder and the soil entry point, and therefore the control of the construction elevation of the horizontal directional drill is completed.
Description
Technical Field
The utility model relates to a construction field of horizontal directional drilling (dragging pipe) among the non-excavation construction type of underground, in particular to elevation controlling means for horizontal directional drilling construction.
Background
In the construction process of a horizontal directional drill (a dragging pipe) in the existing underground non-excavation field, the construction of the horizontal directional drill is usually difficult to control the elevation and has the construction defects of large bending amount of a pipeline route in the existing common construction means, but when the horizontal directional drill is applied to construction in a special environment, the elevation and the construction precision are greatly required, so that an elevation control device and an elevation control method capable of effectively controlling the construction of the horizontal directional drill are required to be found.
SUMMERY OF THE UTILITY MODEL
Great, the not easily controlled phenomenon of elevation settlement volume to the elevation that exists among the conventional level directional drilling (dragging pipe) engineering, the utility model discloses the main objective is through taking an elevation controlling means who is used for the construction of level directional drilling, pipeline operation elevation, the engineering quality of ensureing the construction of level directional drilling of effectual control level directional drilling engineering.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the utility model provides an elevation control device for horizontal directional drilling construction, its characteristics lie in, it includes that the elevation control of one section distance position department installation of axis every along horizontal directional drilling construction route protects a section of thick bamboo with annular steel, and each annular steel protects a centre of a circle of a section of thick bamboo and is located the axis of horizontal directional drilling construction route, protects the relative both sides of the section of thick bamboo wall of protecting of a section of thick bamboo and offers a diameter respectively and is greater than the entrance to a cave of the pipe diameter of the pipeline that utilizes horizontal directional drilling construction in order to regard as elevation control entrance to a cave at each annular steel, the bottom elevation of elevation control entrance to a cave is the same with the fixed horizontal directional drilling construction pipeline's of protecting the section of thick bamboo wall of annular steel protection wall, utilizes the pipeline that horizontal directional drilling construction to wear to establish annular steel in proper order and protects the elevation control.
Preferably, the distance is 30m to 50 m.
Preferably, two opposite sides of the protective cylinder wall of each annular steel protective cylinder are respectively provided with a hole with the diameter larger than the pipe diameter of the pipeline by 50-100 mm.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses can solve the elevation problem of pipeline in horizontal directional drilling (dragging pipe) work progress, avoid the pipeline elevation deviation in conventional horizontal directional drilling work progress great, promoted the construction quality of pipeline.
Drawings
Fig. 1 is a schematic structural view of an elevation control device for horizontal directional drilling construction according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of an annular steel casing according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a hole in the annular steel casing according to a preferred embodiment of the present invention.
Fig. 4 is a construction drawing of elevation control for horizontal directional drilling according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the present embodiment provides an elevation control device for horizontal directional drilling construction, which includes annular steel casing 2 for elevation control installed at intervals of 30m to 50m along the axis of a horizontal directional drilling construction route 1, the center of circle of each annular steel casing 2 is located on the axis of the horizontal directional drilling construction route 1, two opposite sides of the casing wall of each annular steel casing 2 are respectively provided with a hole having a diameter 50 mm to 100mm larger than the pipe diameter of a pipeline constructed by using the horizontal directional drilling 3 as an elevation control hole 4, the bottom elevation of the elevation control hole 4 is the same as the pipe bottom elevation of the pipeline constructed by using the horizontal directional drilling 3 and determined on the casing wall of the annular steel casing 2, and the pipeline constructed by using the horizontal directional drilling 3 sequentially penetrates through the elevation control holes 4 of the annular steel casings.
As shown in fig. 4, the elevation control process of the horizontal directional drilling construction includes the following steps:
and S1, carrying out axis positioning on the route 1 constructed by the horizontal directional drilling on the ground, and determining an earth entering point 5 and an earth leaving point 6 of the horizontal directional drilling mechanical equipment (see figure 4).
S2, utilizing a steel casing construction machine, drilling an annular steel casing 2 for elevation control from the ground to the ground at every 30-50 m position along the axis of the horizontal directional drilling construction route 1, wherein the center of the circle of each annular steel casing 2 is positioned on the axis of the horizontal directional drilling construction route 1 (see figure 1).
And S3, bottoming the bottom of each annular steel casing 2, and determining the bottom elevation of the pipeline constructed by the horizontal directional drilling and the pipe diameter of the horizontal directional drilling on the casing wall of each annular steel casing 2 (see figure 2).
And S4, respectively forming a hole 4 (shown in figure 3) with the diameter 50-100 mm larger than the pipe diameter of the pipeline constructed by the horizontal directional drilling on the two opposite sides of the protecting cylinder wall of each annular steel protecting cylinder 2 by taking the pipe bottom elevation of the pipeline constructed by the horizontal directional drilling as a reference.
Preferably, in step S4, the hole position on the casing wall of the annular steel casing 2 is cut to cut the hole plate, the hole plate to be opened is connected by a steel cable, and after the crew leaves the well, the hole plate is pulled by an external mechanical pulling cable to complete the hole opening.
S5, controlling a guide arrow on the horizontal directional drilling mechanical equipment to sequentially penetrate through an earth entering point 5, a hole 4 of an annular steel casing and an earth discharging point 6, removing the guide arrow after the earth discharging point 6 is reached, pulling a drill bit of the horizontal directional drilling 3 and a pipeline connected with the drill bit by using a guide rod 7 to perform back dragging construction, ensuring that the pipeline constructed by using the horizontal directional drilling 3 sequentially penetrates through the earth discharging point 6, the hole 4 of the annular steel casing and the earth entering point 5, and accordingly completing control of the construction elevation of the horizontal directional drilling. Wherein the bottom depth of each annular steel casing 2 is 1 m-2 m deeper than the pipe bottom elevation of the horizontal directional drill (see figure 4).
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (3)
1. The utility model provides an elevation control device for horizontal directional drilling construction, its characterized in that, it includes that the elevation control that the axis of following horizontal directional drilling construction route was installed at one section distance position department protects a section of thick bamboo with annular steel, and the centre of a circle of each annular steel protects a section of thick bamboo is located the axis of horizontal directional drilling construction route, offers a diameter respectively in the relative both sides of the section of thick bamboo wall of protecting of each annular steel and is greater than the entrance to a cave as elevation control entrance to a cave of the pipe diameter of the pipeline of utilizing horizontal directional drilling construction, the bottom elevation of elevation control entrance to a cave is the same with the pipe bottom elevation of the horizontal directional drilling construction pipeline of confirming on the section of thick bamboo wall of protecting of annular steel protects a section of thick bamboo, utilizes the pipeline of horizontal directional drilling construction to wear to establish the elevation control entrance to a section.
2. The elevation control apparatus for use in horizontal directional drilling construction according to claim 1, wherein the distance is 30m to 50 m.
3. The elevation control device for horizontal directional drilling construction as claimed in claim 1, wherein an opening with a diameter 50-100 mm larger than the pipe diameter of the pipeline is respectively formed at two opposite sides of the protecting cylinder wall of each annular steel protecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564861.7U CN210738467U (en) | 2019-09-20 | 2019-09-20 | Elevation control device for horizontal directional drilling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564861.7U CN210738467U (en) | 2019-09-20 | 2019-09-20 | Elevation control device for horizontal directional drilling construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210738467U true CN210738467U (en) | 2020-06-12 |
Family
ID=70987780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921564861.7U Expired - Fee Related CN210738467U (en) | 2019-09-20 | 2019-09-20 | Elevation control device for horizontal directional drilling construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210738467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566121A (en) * | 2019-09-20 | 2019-12-13 | 上海建工七建集团有限公司 | Elevation control device and method for horizontal directional drilling construction |
-
2019
- 2019-09-20 CN CN201921564861.7U patent/CN210738467U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566121A (en) * | 2019-09-20 | 2019-12-13 | 上海建工七建集团有限公司 | Elevation control device and method for horizontal directional drilling construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |