CN216045787U - Non-excavation directional drilling and pipe drawing auxiliary device - Google Patents
Non-excavation directional drilling and pipe drawing auxiliary device Download PDFInfo
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- CN216045787U CN216045787U CN202122414102.6U CN202122414102U CN216045787U CN 216045787 U CN216045787 U CN 216045787U CN 202122414102 U CN202122414102 U CN 202122414102U CN 216045787 U CN216045787 U CN 216045787U
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Abstract
The application discloses a pipe pulling auxiliary device for trenchless directional drilling, which comprises a pipe pulling component, an expansion component and two clamping plate components; the steel pipe to be pulled back is inserted in the pull pipe; the two clamping plate assemblies are symmetrically arranged inside the pull tube about the axial lead of the pull tube and are in sliding connection with the inner side wall of the pull tube; the tight subassembly that expands is in between two splint subassemblies, and is connected with two splint subassembly contacts, and the tip that the splint subassembly was kept away from to the tight subassembly that expands stretches out the trombone slide and is connected with the trombone slide, can be along the axial displacement of trombone slide and drive two splint subassemblies and do the motion that deviates from to the steel pipe that will treat to return to drag is fixed in the trombone slide. This application has solved prior art and has welded the trombone slide head in waiting to return the tubular product loss that the steel pipe tip of dragging caused big, consumes great manpower and material resources and the technical problem of inefficiency, has realized quick installation and dismantlement trombone slide, reduces the loss to the steel pipe, further uses manpower sparingly and material resources and then improves the purpose of returning the work efficiency who drags the steel pipe.
Description
Technical Field
The application relates to the technical field of trenchless directional drilling construction, in particular to a trenchless directional drilling and pipe pulling auxiliary device.
Background
The non-excavation is a new construction technology for laying, replacing and repairing various underground pipelines by utilizing various rock-soil drilling equipment and technical means under the condition of excavating on a very small part of the earth surface (generally referred to as small-area excavation at an inlet and an outlet) in the modes of guiding, directional drilling and the like, does not obstruct traffic, does not damage green lands and vegetation, does not influence the normal life and work order of shops, hospitals, schools and residents, solves the problem that the traditional excavation construction interferes with the life of the residents, and damages and adverse effects on the traffic, environment and the foundation of surrounding buildings, and therefore has higher social and economic effects.
The horizontal directional drilling machine usually lays steel pipes after drilling holes on the ground, in the prior art, before pulling back the steel pipes, the front end of the steel pipes to be laid is blocked by a cylindrical object to prevent water and sundries from entering the steel pipes to be laid in the laying process, a pipe drawing head with the strength larger than that of the steel pipes to be laid is manufactured, the manufactured pipe drawing head is welded to the front end of the steel pipes to be laid, holes are formed in the pipe drawing head and penetrate through the holes by using steel wire ropes, the steel pipes to be laid are laid in the holes drilled by the horizontal directional drilling machine by pulling back the steel wire ropes when the steel pipes are laid, and the pipe drawing head is cut off after the steel pipes are laid.
In the prior art, the method is adopted to cause large loss of the pipe in the process of laying the steel pipe, and the method consumes large manpower and material resources and has low efficiency.
SUMMERY OF THE UTILITY MODEL
This application is through providing a directional trombone slide auxiliary device of non-excavation, it is big to have solved the tubular product loss that will draw the tube head to weld in waiting to return the steel pipe tip that drags and cause among the prior art, consumes great manpower and material resources and the technical problem of inefficiency, has realized quick installation and dismantlement trombone slide, reduces the loss to the steel pipe, further uses manpower sparingly and material resources and then improves the purpose of returning the work efficiency who drags the steel pipe.
The application provides a non-excavation directional drilling stay tube auxiliary device, which comprises a stay tube, an expansion assembly and two clamping plate assemblies; a steel pipe to be pulled back is inserted into the pull pipe; the two clamping plate assemblies are symmetrically arranged inside the pull pipe relative to the axial lead of the pull pipe and are in sliding connection with the inner side wall of the pull pipe; the tight subassembly that expands is in two between the splint subassembly, and with two splint subassembly contact connection, the tight subassembly that expands is kept away from the tip of splint subassembly stretches out the stand pipe and with the stand pipe is connected, can along the axial displacement of stand pipe drives two the splint subassembly is the motion that deviates from to treat that back drags the steel pipe is fixed in the stand pipe.
In one possible implementation, the expansion assembly comprises a conical block, a lead screw and a lock nut; the conical block is arranged between the two clamping plate assemblies, and the conical surface of the conical block is in contact connection with the two clamping plate assemblies; one end of the screw rod is fixedly connected with the small-opening end of the conical block, and the other end of the screw rod penetrates through the pull tube and is in threaded connection with the side wall of the pull tube; the locking nut is arranged on the outer side of the pull tube and is in threaded connection with the screw rod.
In one possible implementation, the cleat assembly includes an arcuate plate; the inner side surfaces of the two arc-shaped plates, which are opposite to each other, are provided with inner conical surfaces matched with the conical surfaces of the conical blocks and are in contact connection with the conical blocks; the arc-shaped plate is connected with the inner side surface of the pull tube in a sliding manner.
In a possible implementation manner, a sliding block is fixedly connected to the end part, away from the conical block, of the arc-shaped plate, and two sliding grooves are formed in the inner side wall of the pull pipe; the two sliding grooves are symmetrically arranged about the axis of the pull tube and are respectively connected with the two sliding blocks in a sliding manner.
In a possible implementation manner, the outer side surface of the arc-shaped plate is fixedly connected with a positioning block, a groove is formed in the inner wall of the steel pipe to be pulled back, and the positioning block can be inserted into the groove.
In a possible implementation manner, the outer diameter of the large opening end of the conical block is equal to or smaller than the inner diameter of the steel pipe to be pulled back.
In a possible implementation manner, a pull ring is fixedly connected to the outer side surface of the pull tube.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the pipe drawing device is provided with a pull pipe, an expansion assembly and two clamping plate assemblies; firstly, inserting a steel pipe to be pulled back into a pull pipe; then, the two clamping plate assemblies are symmetrically arranged inside the pull tube about the axial lead of the pull tube and are in sliding connection with the inner side wall of the pull tube; the further tight subassembly that expands that sets up is in between two splint subassemblies, and is connected with two splint subassembly contacts, and the tip that the splint subassembly was kept away from to the tight subassembly that will expand stretches out the stay tube and is connected with the stay tube to make the tight subassembly that expands can be along the axial displacement of stay tube and drive two splint subassemblies and do the motion of deviating from, and then the extrusion is waited to return the inner wall of the steel pipe that drags, and the steel pipe that will wait to return to drag is fixed in the stay tube finally. The technical problems that in the prior art, the pipe drawing head is welded to the end of the steel pipe to be pulled back, pipe loss is large, large manpower and material resources are consumed, and efficiency is low are effectively solved, the pipe drawing is rapidly installed and disassembled, loss of the steel pipe is reduced, manpower and material resources are further saved, and accordingly the technical effect of improving the working efficiency of the steel pipe to be pulled back 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 side view of an auxiliary device for directional pipe-pulling in trenchless excavation 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 an isometric view of two arcuate plates provided by an embodiment of the present application.
Reference numerals: 1-pulling a pipe; 11-a chute; 2-a tensioning assembly; 21-a conical block; 22-a screw rod; 23-a locking nut; 3-a cleat assembly; 31-an arc-shaped plate; 311-inner conical surface; 312-a slider; 313-a positioning block; 4-a steel pipe; 41-groove; 5-a pull ring.
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, the trenchless directional drilling and pipe-pulling auxiliary device provided by the embodiment of the application comprises a pipe-pulling 1, an expansion assembly 2 and two clamping plate assemblies 3; a steel pipe 4 to be pulled back is inserted into the pull pipe 1; the two clamping plate assemblies 3 are symmetrically arranged inside the pull tube 1 relative to the axial lead of the pull tube 1 and are in sliding connection with the inner side wall of the pull tube 1; the tight subassembly 2 that expands is in between two splint subassemblies 3, and is connected with the contact of two splint subassemblies 3, and the tip that the tight subassembly 2 that expands kept away from splint subassembly 3 stretches out trombone slide 1 and is connected with trombone slide 1, can be along the axial displacement of trombone slide 1 and drive two splint subassemblies 3 and do the motion of deviating from to the steel pipe 4 that will treat to drag back is fixed in the trombone slide 1. In the embodiment of the application, one end of the pull tube 1 is a closed end, the steel tube 4 to be pulled back is inserted into the pull tube 1 and is abutted against the closed end of the pull tube 1, the two clamping plate assemblies 3 are slidably connected with the closed end of the pull tube 1, the two clamping plate assemblies 3 are driven to do deviation motion by the expansion assembly 2 moving along the axial lead direction of the pull tube 1, so that the two clamping plate assemblies 3 extrude the inner wall of the steel tube 4 to be pulled back, the steel tube 4 to be pulled back is finally fixed on the inner wall of the pull tube 1, the two clamping plate assemblies 3 are tightly connected, the pull tube 1 can be pulled back to perform the operation work of pulling the steel tube 4, the pull tube 1 is not required to be welded at the end part of the steel tube 4, the two clamping plate assemblies 3 can not extrude the steel tube 4 again only by moving the expansion assembly 2 in the opposite direction after the pull back of the steel tube 4 is completed, the pull tube 1 and the steel tube 4 can be conveniently disassembled, and the loss of the steel tube 4 is reduced, manpower and material resources are saved, and the working efficiency of the steel pipe 4 back dragging is improved.
Referring to fig. 2, the expansion assembly 2 includes a tapered block 21, a lead screw 22, and a lock nut 23; the conical block 21 is arranged between the two clamping plate assemblies 3, and the conical surface of the conical block 21 is in contact connection with the two clamping plate assemblies 3; one end of the screw rod 22 is fixedly connected with the small-opening end of the conical block 21, and the other end of the screw rod 22 penetrates through the pull tube 1 and is in threaded connection with the side wall of the pull tube 1; the locking nut 23 is arranged on the outer side of the pull tube 1 and is in threaded connection with the screw rod 22. Through rotating lead screw 22 in the embodiment of this application, can drive toper piece 21 synchronous rotation and remove along self axial lead, thereby extrude two splint subassemblies 3 through its self conical surface and make two splint subassemblies 3 do the motion of deviating from, thereby the extrusion is waited to return the inner wall of the steel pipe 4 that drags and is fixed in the inner wall of trombone slide 1 with steel pipe 4, twist lock nut 23 after rotating lead screw 22 and accomplish and make its pressfitting realize the locking to lead screw 22 and toper piece 21 at the lateral surface of trombone slide 1, avoid steel pipe 4 to remove the condition that makes steel pipe 4 and trombone slide 1 appear becoming flexible at the in-process toper piece 21 that drags back.
Referring to fig. 2-3, the cleat assembly 3 includes an arcuate plate 31; the opposite inner side surfaces of the two arc-shaped plates 31 are provided with inner conical surfaces 311 matched with the conical surfaces of the conical blocks 21 and are in contact connection with the conical blocks 21; the arc-shaped plate 31 is connected with the inner side surface of the pull tube 1 in a sliding way. In the embodiment of the present application, the inner conical surface 311 is disposed on the inner side surface of the arc-shaped plate 31, so that the conical block 21 is closely matched with the inner conical surface 311 of the arc-shaped plate 31 when moving, and the outer side surface of the arc-shaped plate 31 is stably extruded on the inner wall of the steel pipe 4, thereby further improving the fixing force between the steel pipe 4 and the pull pipe 1.
Referring to fig. 2, the end of the arc plate 31 away from the conical block 21 is fixedly connected with a sliding block 312, and the inner side wall of the pull tube 1 is provided with two sliding grooves 11; the two sliding grooves 11 are symmetrically arranged about the axis of the pull tube 1 and are respectively connected with the two sliding blocks 312 in a sliding manner. The sliding groove 11 and the sliding block 312 are arranged in the embodiment of the application, so that the arc-shaped plate 31 is more stable when sliding on the inner side surface of the pull tube 1, and the arc-shaped plate 31 cannot rotate along with the conical block 21.
Referring to fig. 2 to 3, the outer side surface of the arc plate 31 is fixedly connected with a positioning block 313, the inner wall of the steel pipe 4 to be pulled back is provided with a groove 41, and the positioning block 313 can be inserted into the groove 41. The height that sets up locating piece 313 in this application embodiment equals the degree of depth of recess 41, through setting up locating piece 313 and recess 41 for effective location when arc 31 is extruded to steel pipe 4 inner wall, another effect of locating piece 313 is for pulling the stability between steel pipe 4 and the trombone slide between 1 at the in-process of steel pipe 4 further assurance back, prevents to appear not hard up the condition of even sliding between steel pipe 4 and the trombone slide 1.
Referring to fig. 2, the outer diameter of the large mouth end of the tapered block 21 is equal to or smaller than the inner diameter of the steel pipe 4 to be drawn back. The outer diameter of the large-mouth end of the conical block 21 is set to be equal to or smaller than the inner diameter of the steel pipe 4 in the embodiment of the application, so that the steel pipe 4 can be inserted into the pulling pipe 1.
Referring to fig. 1-2, the outer side surface of the pull tube 1 is fixedly connected with a pull ring 5. In the embodiment of the application, after the steel pipe 4 and the pull pipe 1 are fixed, the steel wire rope is fixed on the pull ring 5 to perform back-dragging work on the steel pipe 4.
The working principle of the trenchless directional drilling and pipe-pulling auxiliary device provided by the embodiment of the application is as follows:
firstly, the locking nut 23 is unscrewed, the screw rod 22 is rotated to enable the conical block 21 to move towards the open end of the pull pipe 1, the arc-shaped plates 31 are ensured not to be extruded, the two arc-shaped plates 31 are enabled to approach towards each other, when the positioning block 313 does not obstruct the insertion of the steel pipe 4, the end part of the steel pipe 4 is inserted into the inner wall of the pull pipe 1 and is abutted against the closed end of the pull pipe 1, then the screw rod 22 is screwed, the screw rod 22 is rotated to enable the conical block 21 to move towards the closed end of the pull pipe 1, the conical block 21 extrudes the two arc-shaped plates 31, the arc-shaped plates 31 do deviation movement, the positioning block 313 is inserted into the groove 41 of the inner wall of the steel pipe 4, the screw rod 22 is continuously screwed, the two arc-shaped plates 31 generate enough acting force to extrude the steel pipe 4 onto the inner wall of the pull pipe 1, finally the locking nut 23 is screwed, the final fixation of the steel pipe 4 and the pull pipe 1 is realized, and then the steel wire rope can be fixed on the pull ring 5 to carry out the back-pulling work of the steel pipe 4, after the steel pipe 4 is pulled back, the locking nut 23 is unscrewed, and then the screw rod 22 is screwed, so that the conical block 21 moves towards the opening end of the pull pipe 1, the two arc-shaped plates 31 do not produce extrusion force on the steel pipe 4 any more, and the steel pipe 4 and the pull pipe 1 are dismantled.
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. The auxiliary device for the non-excavation directional drilling and pipe drawing is characterized by comprising a pipe drawing (1), an expansion assembly (2) and two clamping plate assemblies (3);
a steel pipe (4) to be pulled back is inserted in the pull pipe (1);
the two clamping plate assemblies (3) are symmetrically arranged inside the pull pipe (1) relative to the axis of the pull pipe (1) and are in sliding connection with the inner side wall of the pull pipe (1);
expand tight subassembly (2) and be in two between splint subassembly (3), and with two splint subassembly (3) contact connection, expand tight subassembly (2) and keep away from the tip of splint subassembly (3) stretches out stand pipe (1) and with stand pipe (1) is connected, can along axial displacement of stand pipe (1) drives two stand pipe subassembly (3) is the motion that deviates from to will treat that back drags steel pipe (4) are fixed in stand pipe (1).
2. The trenchless directional drilling and pipe-pulling auxiliary device of claim 1, wherein the expansion assembly (2) comprises a conical block (21), a lead screw (22) and a lock nut (23);
the conical block (21) is arranged between the two clamping plate assemblies (3), and the conical surface of the conical block (21) is in contact connection with the two clamping plate assemblies (3);
one end of the screw rod (22) is fixedly connected to the small-opening end of the conical block (21), and the other end of the screw rod (22) penetrates through the pull tube (1) and is in threaded connection with the side wall of the pull tube (1);
the locking nut (23) is arranged on the outer side of the pull tube (1) and is in threaded connection with the screw rod (22).
3. The trenchless directional pipe-pulling apparatus of claim 2 wherein the clamp assembly (3) comprises an arcuate plate (31);
inner conical surfaces (311) matched with the conical surfaces of the conical blocks (21) are arranged on the opposite inner side surfaces of the two arc-shaped plates (31) and are in contact connection with the conical blocks (21);
the arc-shaped plate (31) is connected with the inner side surface of the pull tube (1) in a sliding manner.
4. The trenchless directional drilling and pipe-pulling auxiliary device of claim 3, wherein the end part of the arc-shaped plate (31) departing from the conical block (21) is fixedly connected with a sliding block (312), and the inner side wall of the pull pipe (1) is provided with two sliding grooves (11);
the two sliding grooves (11) are symmetrically arranged relative to the axis of the pull tube (1) and are respectively connected with the two sliding blocks (312) in a sliding manner.
5. The trenchless directional drilling and pipe-pulling auxiliary device according to claim 3, wherein a positioning block (313) is fixedly connected to the outer side surface of the arc-shaped plate (31), a groove (41) is formed in the inner wall of the steel pipe (4) to be pulled back, and the positioning block (313) can be inserted into the groove (41).
6. The trenchless directional pipe-pulling auxiliary device according to claim 2, wherein the outer diameter of the large mouth end of the conical block (21) is equal to or smaller than the inner diameter of the steel pipe (4) to be pulled back.
7. The trenchless directional drilling and pipe-pulling auxiliary device of claim 1, characterized in that a pull ring (5) is fixedly connected to the outer side surface of the pull pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122414102.6U CN216045787U (en) | 2021-10-08 | 2021-10-08 | Non-excavation directional drilling and pipe drawing auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122414102.6U CN216045787U (en) | 2021-10-08 | 2021-10-08 | Non-excavation directional drilling and pipe drawing auxiliary device |
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| Publication Number | Publication Date |
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| CN216045787U true CN216045787U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122414102.6U Active CN216045787U (en) | 2021-10-08 | 2021-10-08 | Non-excavation directional drilling and pipe drawing auxiliary device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288609A (en) * | 2022-07-28 | 2022-11-04 | 河南盛邦环境工程有限公司 | Construction method of landfill body horizontal well and perforated pipe connecting device |
-
2021
- 2021-10-08 CN CN202122414102.6U patent/CN216045787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288609A (en) * | 2022-07-28 | 2022-11-04 | 河南盛邦环境工程有限公司 | Construction method of landfill body horizontal well and perforated pipe connecting device |
| CN115288609B (en) * | 2022-07-28 | 2023-11-14 | 河南盛邦环境工程有限公司 | Construction method for horizontal well of landfill pile body and perforated pipe connecting device |
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