CN216201108U - Auxiliary device for directional drill to pass through back dragging pipeline - Google Patents
Auxiliary device for directional drill to pass through back dragging pipeline Download PDFInfo
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- CN216201108U CN216201108U CN202122414110.0U CN202122414110U CN216201108U CN 216201108 U CN216201108 U CN 216201108U CN 202122414110 U CN202122414110 U CN 202122414110U CN 216201108 U CN216201108 U CN 216201108U
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Abstract
The application discloses an auxiliary device for a directional drill to pass through and return to a dragging pipeline, which comprises an inwards concave base, a plurality of supporting components and a plurality of lifting parts, wherein the supporting components and the lifting parts are arranged in the inwards concave base at intervals along the length direction of the inwards concave base; the fixed end of the lifting part is fixedly connected to the bottom surface of the concave base; the supporting component is connected with the side wall of the concave base in a sliding manner, is connected with the lifting end of the lifting part and can be driven by the lifting part to do lifting motion along the side wall of the concave base; the back-dragging pipeline is placed on the supporting component, and the supporting component is in rolling connection with the back-dragging pipeline. The application has solved among the prior art pipeline back when dragging back and has dragged the resistance big, the pipeline buried angle technical problem of not good control, has realized reducing the pipeline and has buried the frictional force between the mouth, conveniently controls buried angle, improves the pipeline and returns the smoothness nature of dragging, improves the purpose of efficiency of construction.
Description
Technical Field
The application relates to a non-excavation directional drilling crosses construction technical field, especially relates to a directional drilling crosses and drags return auxiliary device for pipeline.
Background
The trenchless directional drilling technology is a construction technology for laying, maintaining, replacing or detecting underground pipelines and pipelines by a method with less or no trenching. The trenchless directional drilling construction applies the principle of the directional drilling technology, greatly reduces the influence of underground pipeline construction on traffic, environment, infrastructure, resident life and work and the like, and becomes an important component of the construction, construction and management of modern urban technical facilities. The trenchless directional drilling construction process mainly comprises the following steps: 1. advancing a drill rod: after the equipment is fixed, the drill bit drives the drill rod to rotate and advance under the action of the power head according to a set angle, and drills according to the depth and the length required by construction under the control of the guide instrument, and penetrates through the ground obstacle and then penetrates out of the ground. 2. Back expanding the back expanding head: after the drill bit with the drill rod penetrates out of the ground, the drill bit is removed, the back expansion head and the drill rod are fixedly installed, the power head is dragged back, the drill rod with the back expansion head reversely drags back, and the diameter size of the pipeline is enlarged. 3. Back dragging of the pipeline: and fixing the pipeline after the back expansion head drags the drill rod by the power head while dragging the back expansion head back, and simultaneously carrying out reverse back dragging movement on the back expansion head and the pipeline until the pipeline is dragged out of the ground, thereby finishing pipeline laying construction.
In the prior art, the horizontal directional drill has the phenomena of large back dragging resistance of a pipeline and poor control of the soil penetration angle of the pipeline in the current common construction means, so that the waste of the pipe is caused, the construction efficiency is influenced, the engineering progress is slow, and the construction cost is increased.
SUMMERY OF THE UTILITY MODEL
This application is through providing a directional brill passes back to drag auxiliary device for pipeline, and it is big to have solved among the prior art pipeline back to drag the resistance when dragging, and the pipeline buries the technical problem of the not good control of angle, has realized reducing the pipeline and has gone into the frictional force between the mouth, conveniently controls the angle of burying, improves the pipeline and returns the smoothness nature of dragging, improves the purpose of efficiency of construction.
The application provides an auxiliary device for a directional drill to pass through and return to a dragging pipeline, which comprises an inwards concave base, a plurality of supporting components and a plurality of lifting parts, wherein the supporting components and the lifting parts are arranged in the inwards concave base at intervals along the length direction of the inwards concave base; the fixed end of the lifting part is fixedly connected to the bottom surface of the concave base; the supporting assembly is connected with the side wall of the concave base in a sliding mode, is connected with the lifting end of the lifting part and can be driven by the lifting part to move up and down along the side wall of the concave base; the back-dragging pipeline is placed on the supporting component, and the supporting component is in rolling connection with the back-dragging pipeline.
In one possible implementation manner, the supporting assembly comprises a supporting seat, a plurality of rollers arranged in the supporting seat and a plurality of partition plates; the two sides of the supporting seat are in sliding connection with the side wall of the concave base; the plurality of clapboards are arranged at intervals along the width direction of the concave base and are fixedly connected to the bottom surface of the supporting seat; the top end of the supporting seat is fixedly connected with two inclined lug plates, and the two lug plates are symmetrically arranged around the central line of the supporting seat; the rollers are respectively connected between the lug plates and the partition plates in a rotating mode, are arranged at intervals in an arc-shaped structure and can be used for supporting the back dragging pipeline.
In a possible implementation manner, the end part of the clapboard close to the roller is in a wedge-shaped structure.
In one possible implementation, the lifting portion comprises a lifting member; the machine body of the lifting piece is fixedly connected to the bottom surface of the concave base, and the lifting end of the lifting piece is in contact connection with the supporting component.
In one possible embodiment, the rollers are coated on the outside with a wear-resistant layer.
In a possible implementation manner, the auxiliary device for the directional drilling to pass through the back-dragging pipeline further comprises lubricating liquid; the lubricating liquid is filled in the supporting seat and submerges the bottom surface of the roller.
In a possible implementation manner, the auxiliary device for the directional drilling to pass through the back-dragging pipeline further comprises two limiting plates; the two limiting plates are fixedly connected to two sides of the concave base; the distance between the two limiting plates is larger than the outer diameter of the back dragging pipeline.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the lifting device is provided with the concave base, the plurality of supporting assemblies and the plurality of lifting parts; further arranging a plurality of supporting components and a plurality of lifting parts in the concave base along the length direction of the concave base at intervals, then fixedly connecting the fixed ends of the lifting parts to the bottom surface of the concave base, and simultaneously connecting the supporting components with the side wall of the concave base in a sliding manner and connecting the lifting ends of the lifting parts, so that the supporting components can be driven by the lifting parts to do lifting motion along the side wall of the concave base, thereby conveniently controlling the soil entry angle of the towing pipe on the supporting components, and recently connecting the supporting components with the towing pipe in a rolling manner, thereby reducing the friction force between the supporting components and the towing pipe, effectively solving the technical problems that the towing resistance is large when the pipe is towed backwards, the soil entry angle of the pipe is not well controlled in the prior art, reducing the friction force between the pipe and the soil entry, and conveniently controlling the soil entry angle, the smoothness of the back dragging of the pipeline is improved, and the technical effect of construction efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an auxiliary device for directional drilling through a back-towed pipe according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a cross-sectional view of the auxiliary device for directional drilling through a back-dragging pipeline provided by the embodiment of the present application with a limiting plate added;
fig. 4 is a schematic structural view of an auxiliary device for a directional drill to pass through a back-dragging pipeline to adjust an included angle between the pipeline and an earth inlet according to an embodiment of the present application.
Reference numerals: 1-a concave base; 2-a support assembly; 21-a support seat; 22-a roller; 221-a wear resistant layer; 23-a separator; 24-ear plate; 3-a lifting part; 31-a lifting member; 4-back dragging pipeline; 5-lubricating liquid; 6-a limiting plate; a-an included angle between the back dragging pipeline and the soil inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1-2, an auxiliary device for a directional drill to pass through and back to a towing pipeline provided in an embodiment of the present application includes an inward concave base 1, a plurality of support assemblies 2 arranged in the inward concave base 1 at intervals along a length direction of the inward concave base 1, and a plurality of lifting portions 3; the fixed end of the lifting part 3 is fixedly connected to the bottom surface of the concave base 1; the supporting component 2 is connected with the side wall of the concave base 1 in a sliding manner, is connected with the lifting end of the lifting part 3, and can be driven by the lifting part 3 to move up and down along the side wall of the concave base 1; the back-dragging pipeline 4 is placed on the supporting component 2, and the supporting component 2 is in rolling connection with the back-dragging pipeline 4. Before carrying out the pipeline and returning to dragging in the embodiment of the application, place the pipeline earlier and support on a plurality of supporting component 2, the high realization that lifts up through controlling a plurality of lifting unit lifts up the pipeline slope, and then adjust suitable angle of burying, the angle of burying of the in-process real time control pipeline that drags is returned at the pipeline, thereby reduce the pipeline and return the resistance that drags the in-process, because be rolling friction between pipeline and supporting component 2, further reduced the pipeline return drag the time and into the frictional force between the mouth that buries, the pipeline has been improved and has been returned the smoothness nature of dragging the in-process, and then whole efficiency of construction has been improved.
Referring to fig. 2, the supporting assembly 2 includes a supporting base 21, a plurality of rollers 22 and a plurality of spacers 23 disposed in the supporting base 21; two sides of the supporting seat 21 are connected with the side wall of the concave base 1 in a sliding way; the plurality of partition plates 23 are arranged at intervals along the width direction of the concave base 1 and fixedly connected to the bottom surface of the supporting seat 21; the top end of the supporting seat 21 is fixedly connected with two inclined ear plates 24, and the two ear plates 24 are symmetrically arranged relative to the central line of the supporting seat 21; the rollers 22 are rotatably connected between the ear plates 24 and the partition plates 23, and are arranged at intervals in an arc-shaped structure, and can be used for supporting the back dragging pipeline 4. In the embodiment of the present application, the axis of the roller 22 is fixedly connected with a rotating shaft, the side surfaces of the partition plate 23 and the ear plate 24 are both provided with holes for inserting two ends of the rotating shaft, and two ends of the rotating shaft are respectively inserted into the holes, so that the roller 22 is rotatably connected between the partition plate 23 and the ear plate 24; in the embodiment of the application, the two sides of the supporting seat 21 are fixedly connected with sliding blocks, the side wall of the inner groove base is provided with a sliding groove, and the sliding blocks are in sliding connection with the sliding groove; in the embodiment of the application, the quantity of gyro wheel 22 chooses for use three, baffle 23 chooses for use two, with two baffles 23 about the central line symmetry fixed connection of supporting seat 21 in the supporting seat 21 bottom surface, rotate between two baffles 23 and connect one of them gyro wheel 22, two surplus gyro wheels 22 rotate respectively and connect between otic placode 24 and baffle 23, and the symmetry sets up the both sides at gyro wheel 22 in the middle of being in, the top surface of three gyro wheel 22 forms arc column structure, after the pipeline was placed on three gyro wheel 22, can make pipeline and three gyro wheel 22 all be in tangent state, therefore three gyro wheel 22 not only can effectively support the pipeline, and the pipeline is forming rolling friction between the in-process that drags back and gyro wheel 22, reduced the pipeline and dragged the in-process and the frictional resistance between the mouth that digs into the soil. In the embodiment of the present application, the number of the rollers 22 may also be multiple, and the specific number is reasonably selected according to actual situations.
Referring to fig. 2, the end of the partition 23 adjacent to the roller 22 is in a wedge-shaped configuration. The tip of baffle 23 sets up to wedge column structure in this application embodiment, conveniently is in two gyro wheels 22 of baffle 23 both sides and forms the rotation between the baffle 23 respectively and be connected for rotation between baffle 23 and the gyro wheel 22 is steady more.
Referring to fig. 2, the lifting part 3 includes a lifting member 31; the body of the lifting piece 31 is fixedly connected to the bottom surface of the concave base 1, and the lifting end of the lifting piece 31 is in contact connection with the supporting component 2. In the embodiment of the application, the lifting piece 31 is a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly connected to the bottom surface of the concave base 1, the end part of the piston rod of the hydraulic cylinder is detachably connected to the bottom surface of the supporting seat 21, and the hydraulic cylinder drives the supporting seat 21 to lift; the lifter 31 may be a push rod motor.
Referring to fig. 2, the outside of the roller 22 is coated with a wear-resistant layer 221. Polyurethane is selected for use to wearing layer 221 in this application embodiment, avoids the hard joint between pipeline and the gyro wheel 22, reduces the damage to gyro wheel 22, prolongs the life of gyro wheel 22.
Referring to fig. 2, the auxiliary device for directional drilling through the back dragging pipeline 4 further comprises lubricating liquid 5; the lubricant 5 is filled in the support base 21 and submerges the bottom surface of the roller 22. In the embodiment of the application, the roller 22 brings the lubricating liquid 5 into the contact surface with the pipeline in the rotating process, and the contact surface of the roller 22 and the pipeline is lubricated by the lubricating liquid 5, so that the friction resistance of the pipeline in the back dragging process is further reduced.
Referring to fig. 3, the auxiliary device for directional drilling through the back-dragging pipeline 4 further comprises two limiting plates 6; the two limiting plates 6 are fixedly connected to two sides of the concave base 1; the distance between the two limit plates 6 is larger than the outer diameter of the back dragging pipeline 4. Set up two limiting plates 6 in this application embodiment, can effectively block when the pipeline returns the in-process that drags to appear rocking, avoid the pipeline to appear the condition emergence that the skew dropped even on gyro wheel 22.
Referring to fig. 4, the working principle of the auxiliary device for directional drilling through the back-towed pipe provided by the embodiment of the present application is as follows:
before back dragging the pipeline, the auxiliary device in the embodiment of the application is integrally placed at the soil inlet, then the pipeline welded together is integrally placed on the auxiliary device, namely, the pipeline is placed at the arc-shaped structure formed by the roller 22, then each lifting piece 31 (hydraulic cylinder or push rod motor) is sequentially controlled to drive the corresponding supporting seat 21 to rise to different heights, finally the whole pipeline is obliquely lifted to a certain height, the included angle a between the pipeline and the soil inlet is in accordance with the actual construction condition, and finally the back-dragging work of the pipeline is carried out, in the back dragging process of the pipeline, rolling friction is carried out between the pipeline and the roller 22, so that the pipeline can conveniently and smoothly enter the pore channel, if the included angle a between the pipeline and the soil inlet is changed, the lifting piece 31 can be controlled to adjust the lifting height of the pipeline at the soil inlet, so that the numerical value of the included angle a between the pipeline and the soil inlet can be conveniently adjusted; the friction between the pipeline and the soil inlet is reduced, the soil inlet angle is conveniently controlled, the smoothness of back dragging of the pipeline is improved, and the overall construction efficiency is improved.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (7)
1. An auxiliary device for a directional drill to pass through a dragging-back pipeline is characterized by comprising an inwards concave base (1), a plurality of supporting assemblies (2) and a plurality of lifting parts (3), wherein the supporting assemblies (2) and the lifting parts are arranged in the inwards concave base (1) at intervals along the length direction of the inwards concave base (1);
the fixed end of the lifting part (3) is fixedly connected to the bottom surface of the concave base (1);
the supporting component (2) is connected with the side wall of the concave base (1) in a sliding manner, is connected with the lifting end of the lifting part (3), and can be driven by the lifting part (3) to move up and down along the side wall of the concave base (1);
the back dragging pipeline (4) is placed on the supporting component (2), and the supporting component (2) is in rolling connection with the back dragging pipeline (4).
2. Auxiliary device for directional drilling through back-haul pipelines according to claim 1, wherein the support assembly (2) comprises a support base (21), a plurality of rollers (22) and a plurality of spacers (23) arranged inside the support base (21);
the two sides of the supporting seat (21) are in sliding connection with the side wall of the concave base (1);
the clapboards (23) are arranged at intervals along the width direction of the concave base (1) and are fixedly connected to the bottom surface of the supporting seat (21);
the top end of the supporting seat (21) is fixedly connected with two inclined lug plates (24), and the two lug plates (24) are symmetrically arranged around the central line of the supporting seat (21);
the rollers (22) are respectively connected between the ear plates (24) and the partition plates (23) in a rotating mode, are arranged at intervals in an arc-shaped structure and can be used for supporting the back dragging pipeline (4).
3. An auxiliary device for directional drilling through back-haul ducts according to claim 2, wherein the end of the bulkhead (23) near the roller (22) is of a wedge-shaped configuration.
4. Auxiliary device for directional drilling through back-haul pipelines according to claim 1, characterized in that said lift (3) comprises a lift (31);
the machine body of the lifting piece (31) is fixedly connected to the bottom surface of the concave base (1), and the lifting end of the lifting piece (31) is in contact connection with the supporting component (2).
5. Auxiliary device for directional drilling through back-haul pipelines according to claim 2, characterized in that the outside of the roller (22) is coated with a wear resistant layer (221).
6. The auxiliary device for directional drilling through back-dragging pipeline according to claim 2, characterized by further comprising a lubricating fluid (5);
the lubricating liquid (5) is filled in the support seat (21) and submerges the bottom surface of the roller (22).
7. Auxiliary device for directional drilling through back-dragging pipes according to claim 1, characterized by further comprising two limit plates (6);
the two limiting plates (6) are fixedly connected to two sides of the concave base (1);
the distance between the two limiting plates (6) is larger than the outer diameter of the back dragging pipeline (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122414110.0U CN216201108U (en) | 2021-10-08 | 2021-10-08 | Auxiliary device for directional drill to pass through back dragging pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122414110.0U CN216201108U (en) | 2021-10-08 | 2021-10-08 | Auxiliary device for directional drill to pass through back dragging pipeline |
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| CN216201108U true CN216201108U (en) | 2022-04-05 |
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| CN202122414110.0U Active CN216201108U (en) | 2021-10-08 | 2021-10-08 | Auxiliary device for directional drill to pass through back dragging pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218033A (en) * | 2022-05-26 | 2022-10-21 | 中国五冶集团有限公司 | Large-diameter pipeline installation device and installation method |
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2021
- 2021-10-08 CN CN202122414110.0U patent/CN216201108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218033A (en) * | 2022-05-26 | 2022-10-21 | 中国五冶集团有限公司 | Large-diameter pipeline installation device and installation method |
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