CN218119052U - Horizontal directional drilling pipeline connecting device - Google Patents
Horizontal directional drilling pipeline connecting device Download PDFInfo
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- CN218119052U CN218119052U CN202222497272.XU CN202222497272U CN218119052U CN 218119052 U CN218119052 U CN 218119052U CN 202222497272 U CN202222497272 U CN 202222497272U CN 218119052 U CN218119052 U CN 218119052U
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- corrugated pipe
- horizontal directional
- directional drilling
- pipeline
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Abstract
The utility model discloses a horizontal directional drilling pipeline connecting device, which comprises a corrugated pipe component and a valve, wherein two groups of corrugated pipe components are symmetrically arranged and are respectively arranged at two ends of the valve; the corrugated pipe assembly comprises flange openings, corrugated pipes and pull rods, the flange openings are fixed at two ends of the corrugated pipes, and the pull rods are fixed outside the corrugated pipes. The utility model provides a pair of horizontal directional drilling pipeline connecting device for municipal water supply heavy-calibre pipeline uses when horizontal directional drilling segmentation construction, and the application of this structure has reduced the construction degree of difficulty, has improved pipeline life, can be convenient for the operation and the maintenance of later stage pipeline after the application, has also guaranteed engineering quality simultaneously.
Description
Technical Field
The utility model discloses a municipal administration water supply line connects technical field, especially relates to a directional drilling pipe connection device of level.
Background
With the construction of underground pipe networks and the improvement of requirements of people on living environments, the traditional excavation construction mode is often accompanied with the problems of environment disturbance, traffic jam and the like, and cannot be applied to the current urban pipeline construction.
With the transformation and upgrading of mechanical equipment and the increasing perfection of construction technology, horizontal directional drilling develops towards the trend of large caliber (mainly DN 500-DN 800) and long distance, and is listed as the pipe network construction technology with the most development prospect by the construction industry at home and abroad.
However, the track accuracy of the directional drilling pipeline is low, the port has a certain angle with the ground, the interface is difficult to align, the construction difficulty is very high, and the requirements that the end faces of the two connecting pipes are completely overlapped and a gap is not required are difficult to meet. When a large-caliber long-distance (subsection) horizontal directional drill is adopted for construction, the problem is more obvious, and when special sections such as soft foundations and the like are encountered, the pipeline is more prone to being sunk and deformed to cause the breakage of a pipeline connector and water leakage, so that the engineering quality is directly influenced.
In summary, there is a need for improvement of the existing horizontal directional drilling port connection structure.
SUMMERY OF THE UTILITY MODEL
In view of this, the present disclosure provides a horizontal directional drill pipe connection device to solve the problems mentioned above in the background art.
The technical scheme provided by the utility model is specifically that a horizontal directional drilling pipeline connecting device comprises a corrugated pipe component and a valve, wherein the corrugated pipe component is symmetrically provided with two groups which are respectively arranged at two ends of the valve; the corrugated pipe assembly comprises a flange port, a corrugated pipe and a pull rod, wherein the flange port is fixed at two ends of the corrugated pipe, and the pull rod is fixed outside the corrugated pipe.
Furthermore, the flange opening and the two ends of the corrugated pipe are arranged in a fusion mode.
Further, a flange port at one end of the corrugated pipe is connected with the valve through a PE flange.
Furthermore, the flange opening is of a flange plate structure, a fastening piece is fixed outside the flange plate, and two ends of the pull rod (4) are fixed outside the flange plate through the fastening piece.
Furthermore, the pull rods are two or four, and are distributed along the outer part of the circumference of the corrugated pipe at equal intervals.
Furthermore, the corrugated pipe is of a soft and telescopic structure.
The utility model provides a pair of horizontal directional drilling pipeline connecting device for municipal water supply heavy-calibre pipeline uses when horizontal directional drilling segmentation construction, and the application of this structure has reduced the construction degree of difficulty, has improved pipeline life, can be convenient for the operation and the maintenance of later stage pipeline after the application, has also guaranteed engineering quality simultaneously.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic plan view of a horizontal directional drilling pipeline connection device according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a mounting plane structure of a horizontal directional drilling pipeline connection device according to an embodiment of the present disclosure;
fig. 3 is a schematic view of an installation section structure of a horizontal directional drilling pipeline connection device according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present invention. Rather, they are merely examples of systems consistent with certain aspects of the invention, as detailed in the appended claims.
In order to solve the problems that the joint alignment is difficult and the like due to the characteristics of a directional drilling pipeline in the prior art, the embodiment provides a connecting structure for a municipal water supply large-diameter pipeline during the segmental construction of a horizontal directional drill, namely a connecting device for the horizontal directional drilling pipeline, which comprises a corrugated pipe assembly and a valve 3 as shown in figure 1; wherein two groups of corrugated pipe components are symmetrically arranged and are respectively arranged at two ends of the valve 3; the corrugated pipe assembly comprises a flange port 1, a corrugated pipe 2 and a pull rod 4, wherein the flange port 1 is fixed at two ends of the corrugated pipe 2, and the pull rod 4 is fixed outside the corrugated pipe 2.
The flange ports 1 are positioned on two sides of the integral connecting device and are used for connecting pipelines with two adjacent ends of a horizontal directional drilling port;
the valve 3 is used for opening and closing the pipeline, so that later-stage operation and maintenance are facilitated, and the corrugated pipe is of a soft and telescopic structure and can be used for compensating the angle and dislocation of two sections of directional drilling port pipe sections; the pull rod is used for assisting in protecting the corrugated pipe;
specifically, the flange port 1 and the corrugated tube 2 are attached to each other by welding.
The flange port 1 at one end of the corrugated pipe 2 is connected with the valve 3 through a PE flange.
The flange port 1 can adopt a flange plate structure, and the flange port 1 is connected with a horizontal directional drilling port pipeline through a flange plate; the outer part of the flange plate is fixed with a fastener, and the two ends of the pull rod 4 are fixed on the outer part of the flange plate through the fastener, wherein the fastener can be a nut.
The two or four pull rods can be arranged at equal intervals and distributed along the outer part of the circumference of the corrugated pipe 2, a certain gap exists between the other corrugated pipe bodies, and the corrugated pipe can move in three directions, namely front and back, left and right, and inclined up and down; as shown in fig. 1, two tie rods are arranged, and the tie rods are located outside the corrugated pipe to play a role in supporting and protecting, such as preventing the corrugated pipe 2 from twisting and twisting.
The utility model sequentially forms the joints by the flange openings, the corrugated pipes, the valves, the corrugated pipes and the flange openings, and the flange openings can be connected with the pipeline flanges, so that the segmented horizontal directional drilling pipelines are connected;
the corrugated pipe can compensate axial, angular and lateral displacements of the pipeline, which are generated by horizontal directional drilling, mechanical deformation and various mechanical vibrations, so that the effects of reducing the construction difficulty and prolonging the service life of the pipeline are achieved; the corrugated pipe can also compensate pipe section sinking and deformation caused by special geology such as soft foundation and the like and further caused interface breaking and water leakage, thereby ensuring the engineering quality.
The pull rod arranged outside the corrugated pipe plays a certain role in protecting the corrugated pipe, so that the service life of the device is prolonged;
the valve can play the effect of controlling the downstream pipe section to open and close, and is convenient for the operation and maintenance of the pipeline in the later period.
As shown in fig. 2-3, it is a schematic view of a connection structure of a municipal water supply large-caliber pipeline in sectional construction by using a horizontal directional drill, wherein a section is a directional drill port pipeline (or a direct-buried pipeline), part b is a valve well, part c is a concrete fixed buttress, and part d is a connection device provided in this embodiment;
the laying method comprises the following steps:
(1) The design pressure was set to 1.0MPa.
(2) According to design drawings and standard requirements, the basic requirements of the groove form and the soil covering depth are met.
(3) Two ends of the device are connected with the flanges of the directional drilling port pipeline (or the direct buried pipeline).
(4) The device is arranged in a valve well, and the size of the valve well is selected according to the pipe diameter size by referring to a drawing set.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (6)
1. The connecting device for the horizontal directional drilling pipeline is characterized by comprising a corrugated pipe assembly and valves (3), wherein two groups of corrugated pipe assemblies are symmetrically arranged and are respectively installed at two ends of each valve (3); the corrugated pipe assembly comprises a flange opening (1), a corrugated pipe (2) and a pull rod (4), wherein the flange opening (1) is fixed at two ends of the corrugated pipe (2), and the pull rod (4) is fixed outside the corrugated pipe (2).
2. A horizontal directional drilling line connection according to claim 1, characterized in that the flange port (1) is welded to both ends of the corrugated pipe (2).
3. A horizontal directional drill pipe connection according to claim 1, characterized in that the flanged mouth (1) of one end of the bellows (2) is flanged to the valve (3) by PE.
4. The horizontal directional drilling pipeline connecting device as claimed in claim 1, wherein the flange port (1) is in a flange plate structure, a fastening piece is fixed on the outer portion of the flange plate, and two ends of the pull rod (4) are fixed on the outer portion of the flange plate through the fastening piece.
5. A horizontal directional drilling line connection according to claim 1, characterized in that the tie rods are provided in two or four, equally spaced apart locations along the circumference of the corrugated pipe (2).
6. A horizontal directional drill pipe connection according to claim 1, characterized in that the bellows (2) is of a soft, collapsible construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222497272.XU CN218119052U (en) | 2022-09-21 | 2022-09-21 | Horizontal directional drilling pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222497272.XU CN218119052U (en) | 2022-09-21 | 2022-09-21 | Horizontal directional drilling pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218119052U true CN218119052U (en) | 2022-12-23 |
Family
ID=84531171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222497272.XU Active CN218119052U (en) | 2022-09-21 | 2022-09-21 | Horizontal directional drilling pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218119052U (en) |
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2022
- 2022-09-21 CN CN202222497272.XU patent/CN218119052U/en active Active
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