Dragging pipe turning device for site limited position

By using reversing wells and guide pulley devices in directional drilling construction, the wire rope is changed from horizontal to vertical, which solves the problem of tractor pipe construction in restricted positions of the site, realizes the stable movement of the pipe and the stability of the support base, and improves the smoothness of the construction.

CN223063319UActive Publication Date: 2025-07-04CHINA RAILWAY FIFTH GROUP SECOND ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202422405940.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-07
Publication Date
2025-07-04
Estimated Expiration
2034-10-07

AI Technical Summary

Technical Problem

During directional drilling construction, arc holes cannot be formed at the restricted site, resulting in difficulty in construction of drag tubes.

Method used

The device includes a reversing well, a pipe channel, a fixed pulley base, a guide pulley, a reel and a wire rope. The wire rope is reeled by the driving equipment and used a guide pulley to change it from horizontal to vertical. Combined with the flexible expansion and contraction of the excavator arm, the divergent construction of the pipe is realized.

Benefits of technology

The construction problem of drag pipes in restricted locations is solved, the smoothness and practicality of construction is improved, and the stable movement of the pipes and the stability of the support base are ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a field limited position dragging pipe turning device, which belongs to the technical field of municipal engineering directional drilling dragging pipe construction, and comprises a construction field, a reversing well is arranged on the construction field, a pipe penetrating groove is arranged on the construction field, the end part of the pipe penetrating groove is communicated with an inner cavity of the reversing well, and the reversing well is communicated with the inner cavity of the pipe penetrating groove. And an excavator is arranged on the construction site. According to the utility model, the driving equipment is used for driving the winding drum to rotate to wind the steel wire rope, the steel wire rope is used for driving the pipe to move in the pipe penetrating groove, and meanwhile, the steel wire rope for pulling the pipe is changed from the horizontal direction to the vertical direction through the guide pulley, so that the problem that pipe dragging construction cannot be carried out at the limited position of a directional drilling hole site is solved; and in addition, the fixed pulley base is fixed on the excavator arm, so that the stress requirement of the guide pulley is met, the guide pulley is convenient to place and move by utilizing the flexible extension and retraction of the excavator arm, and the practicability is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of directional drilling and pulling pipe construction in municipal engineering, and more specifically, to a pulling pipe deflecting device at a position with limited site space. Background Technique

[0002] At present, with the rise of urban renewal projects, many underground pipelines adopt directional drilling and pulling pipe construction. The trenchless directional drilling technology, also known as pulling pipe and traction pipe construction, is a new construction technology that combines the directional drilling technology in the petroleum industry with the traditional pipeline construction method. In recent years, it has been widely used in the construction of various underground pipelines such as municipal, telecommunications, and power. The trenchless directional drilling construction sets the directional drilling rig on the ground. Under the condition of not excavating the soil, it uses a detector for guidance to control the direction of the drill pipe bit to meet the requirements of the design axis. After multiple reaming operations, the pipeline is pulled back into place to complete the pipeline laying construction method. Although the pipe material of the pulling pipe is a flexible pipe material, it cannot have a large bend. Therefore, the outlet of the directional drilling must be a smooth arc-shaped line. However, when the site of the outlet of the directional drilling is limited, a circular arc channel cannot be formed at the outlet, a smooth arc-shaped pipeline cannot be formed, and the pipe cannot be pulled, which affects the smooth progress of the pipe pulling construction. For this reason, we propose a pulling pipe deflecting device at a position with limited site space. Content of the Utility Model

[0003] Aiming at the problems mentioned in the above background technique, the purpose of the utility model is to provide a pulling pipe deflecting device at a position with limited site space.

[0004] To solve the above problems, the utility model adopts the following technical scheme: A pulling pipe deflecting device at a position with limited site space, including a construction site, a deflecting well is opened on the construction site, a pipe-passing groove is arranged on the construction site, the end of the pipe-passing groove is communicated with the inner cavity of the deflecting well, an excavator is arranged on the construction site, a fixed pulley base is fixedly installed on the excavator, the bottom end of the fixed pulley base extends into the inner cavity of the deflecting well, two guiding frames are fixedly connected to the side of the bottom end of the fixed pulley base, a guiding pulley is rotatably connected between the two guiding frames, a supporting base is placed on the top of the construction site, a plurality of moving mechanisms are arranged on the supporting base, a plurality of fixing mechanisms are arranged on the supporting base, two winding frames are fixedly connected to the top surface of the supporting base, a winding drum is rotatably connected between the two winding frames, a steel wire rope is wound around the winding drum, the end of the steel wire rope penetrates through the deflecting well and extends into the inner cavity of the pipe-passing groove and is fixedly connected to a pipe, the middle section of the steel wire rope is sleeved outside the guiding pulley, a driving device is arranged outside one of the winding frames, and the output shaft of the driving device is connected to one end of the rotating shaft of the winding drum.

[0005] As a preferred embodiment of the present utility model, the moving mechanism includes a first electric push rod fixedly installed on the top surface of the support base and a first storage groove formed on the bottom surface of the support base. The output end of the first electric push rod extends into the inner cavity of the first storage groove and is fixedly connected with a moving wheel.

[0006] As a preferred embodiment of the present utility model, the fixing mechanism includes a second electric push rod fixedly installed on the top surface of the support base and a second storage groove formed on the bottom surface of the support base. The output end of the second electric push rod extends into the inner cavity of the second storage groove and is fixedly connected with an installation box. A servo motor is fixedly installed in the inner cavity of the installation box. The output shaft of the servo motor extends to the bottom of the installation box and is fixedly connected with a spiral drill rod.

[0007] As a preferred embodiment of the present utility model, a push handle is fixedly connected to the top surface of the support base, and a control panel is fixedly installed on the push handle.

[0008] As a preferred embodiment of the present utility model, a power supply box is arranged on the top surface of the support base, and power supply equipment is arranged inside the power supply box.

[0009] As a preferred embodiment of the present utility model, the outer diameter of the steel wire rope is equal to the inner diameter of the groove on the guiding pulley.

[0010] The advantages of the present utility model are as follows: 1) In the present utility model, a driving device is used to drive the winding drum to rotate to wind the steel wire rope, and the steel wire rope is used to drive the pipe to move in the pipe threading groove. At the same time, the steel wire rope for pulling the pipe is changed from a horizontal direction to a vertical direction through the guiding pulley, solving the problem that the pipe jacking construction cannot be carried out at the position where the site of the drilling outlet is limited. In addition, the fixed pulley base is fixed on the excavator arm, which not only meets the force requirement of the guiding pulley but also utilizes the flexible telescoping of the excavator arm, facilitating the placement and movement of the guiding pulley and improving the practicability of the device.

[0011] 2) In the present utility model, the support base is placed on the reversing well, and a motor or a diesel engine is used as a power source to drive the winding drum to rotate so that the winding drum winds the steel wire rope. In addition, the cooperation of the first electric push rod and the moving wheel facilitates the movement of the support base. In addition, through the combined use of the second electric push rod, the installation box, the servo motor and the spiral drill rod, the bottom end of the spiral drill rod drills into the construction site to fix the support base, ensuring the stability of the support base and further ensuring the stability of the pulling of the pipe by the steel wire rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a schematic cross-sectional view of the present utility model;

[0014] Figure 3 This is a schematic structural view of the support base of the present utility model;

[0015] Figure 4 This is a bottom view schematic of the support base of the present utility model;

[0016] Figure 5 This is a schematic structural view of the fixed pulley base of the present utility model;

[0017] Figure 6 This is a cross-sectional view schematic of the installation box of the present utility model;

[0018] Figure 7 This is a cross-sectional view schematic of the power supply box of the present utility model.

[0019] Explanation of the reference numerals in the figure: 1. Construction site; 2. Reversing well; 3. Pipe slot; 4. Excavator; 5. Fixed pulley base; 6. Guide frame; 7. Guide pulley; 8. Support base; 9. Reel frame; 10. Reel; 11. Steel wire rope; 12. Driving equipment; 13. Moving mechanism; 14. First storage groove; 15. Second storage groove; 16. First electric push rod; 17. Moving wheel; 18. Second electric push rod; 19. Installation box; 20. Servo motor; 21. Auger; 22. Pusher; 23. Control panel; 24. Power supply box; 25. Power supply equipment; 26. Pipe; 27. Fixing mechanism. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0023] Please refer to Figure 1-7 , a pipe jacking direction-changing device in a location with limited space, including a construction site 1, a reversing well 2 is opened on the construction site 1, a pipe-passing groove 3 is arranged on the construction site 1, the end of the pipe-passing groove 3 is communicated with the inner cavity of the reversing well 2, an excavator 4 is arranged on the construction site 1, a fixed pulley base 5 is fixedly installed on the excavator 4, the bottom end of the fixed pulley base 5 extends into the inner cavity of the reversing well 2, two guide frames 6 are fixedly connected to the side of the bottom end of the fixed pulley base 5, a guide pulley 7 is rotatably connected between the two guide frames 6, a support base 8 is placed on the top of the construction site 1, a plurality of moving mechanisms 13 are arranged on the support base 8, a plurality of fixing mechanisms 27 are arranged on the support base 8, two winding frames 9 are fixedly connected to the top surface of the support base 8, a winding drum 10 is rotatably connected between the two winding frames 9, a steel wire rope 11 is wound around the winding drum 10, the end of the steel wire rope 11 penetrates through the reversing well 2 and extends into the inner cavity of the pipe-passing groove 3 and is fixedly connected to a pipe 26, the middle section of the steel wire rope 11 is sleeved outside the guide pulley 7, and a driving device 12 is arranged outside one of the winding frames 9, and the output shaft of the driving device 12 is connected to one end of the rotating shaft of the winding drum 10.

[0024] In this embodiment, the driving device 12 can use a motor or a diesel engine to drive the winding drum 10 to rotate.

[0025] Specifically, please refer to Figure 3 and Figure 4 , the moving mechanism 13 includes a first electric push rod 16 fixedly installed on the top surface of the support base 8 and a first storage groove 14 opened on the bottom surface of the support base 8, and the output end of the first electric push rod 16 extends into the inner cavity of the first storage groove 14 and is fixedly connected to a moving wheel 17.

[0026] In this embodiment, the first storage groove 14 is used to store the unused moving wheels 17, and in addition, the moving wheels 17 can be used to move the support base 8.

[0027] Specifically, please refer to Figure 3 , Figure 4 and Figure 6, the fixing mechanism 27 includes a second electric push rod 18 fixedly installed on the top surface of the support base 8 and a second storage groove 15 opened on the bottom surface of the support base 8. The output end of the second electric push rod 18 extends into the inner cavity of the second storage groove 15 and is fixedly connected to an installation box 19. A servo motor 20 is fixedly installed in the inner cavity of the installation box 19. The output shaft of the servo motor 20 extends to the bottom of the installation box 19 and is fixedly connected to a spiral drill rod 21.

[0028] In this embodiment, the second storage groove 15 is used to store the unused installation box 19 and the spiral drill rod 21. Additionally, when the support base 8 is placed on the top of the construction site 1, the spiral drill rod 21 is screwed into the interior of the construction site 1 to fix the support base 8.

[0029] Specifically, please refer to Figure 4 , the top surface of the support base 8 is fixedly connected to a push handle 22, and a control panel 23 is fixedly installed on the push handle 22.

[0030] In this embodiment, the control panel 23 is used to control the servo motor 20, the first electric push rod 16, the second electric push rod 18, and the driving device 12.

[0031] Specifically, please refer to Figure 4 and Figure 7 , a power supply box 24 is arranged on the top surface of the support base 8, and a power supply device 25 is arranged inside the power supply box 24.

[0032] In this embodiment, the power supply device 25 is used to supply power to the servo motor 20, the control panel 23, the first electric push rod 16, the second electric push rod 18, and the driving device 12.

[0033] Specifically, please refer to Figure 2 and Figure 5 , the outer diameter of the steel wire rope 11 is equal to the inner diameter of the groove on the guide pulley 7.

[0034] In this embodiment, the stability of the steel wire rope 11 sleeved outside the guide pulley 7 is ensured.

[0035] Working principle: When in use, first connect the robotic arm of the excavator 4 to the fixed pulley base 5, and make the guide pulley 7 on the side of the fixed pulley base 5 extend into the reversing well 2. Additionally, use the first electric push rod 16 to drive the moving wheel 17 to move downward, use the moving wheel 17 and the first electric push rod 16 to support the support base 8, use the moving wheel 17 to move the support base 8 above the reversing well 2, then start the first electric push rod 16 to drive the moving wheel 17 to retract into the inner cavity of the first storage groove 14, so that the bottom surface of the support base 8 fits with the top surface of the construction site 1. Start the servo motor 20 to drive the screw drill rod 21 to rotate, and at the same time start the second electric push rod 18 to drive the installation box 19 and the screw drill rod 21 to move downward, so that the screw drill rod 21 drills into the interior of the construction site 1, thereby enabling the support base 8 to be stably placed on the construction site 1. Then, pull the end of the steel wire rope 11 into the reversing well 2, and make the steel wire rope 11 bypass the outside of the guide pulley 7, so that the end of the steel wire rope 11 becomes horizontal. Use the directional drill bit to drive the end of the steel wire rope 11 to move to the inlet end of the pipe slot 3. At this time, connect the end of the steel wire rope 11 to the end of the pipe 26. Finally, start the driving device 12 to drive the winding drum 10 to rotate to wind the steel wire rope 11, and use the steel wire rope 11 to drive the pipe 26 to move in the pipe slot 3 until the end of the pipe enters the reversing well 2, and that's it.

[0036] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A steering device for pipe jacking with direction change in a location with limited construction space, comprising a construction site (1), characterized in that: A reversing well (2) is provided on the construction site (1). A pipe-passing groove (3) is provided on the construction site (1). The end of the pipe-passing groove (3) is communicated with the inner cavity of the reversing well (2). An excavator (4) is provided on the construction site (1). A fixed pulley base (5) is fixedly installed on the excavator (4). The bottom end of the fixed pulley base (5) extends into the inner cavity of the reversing well (2). Two guiding frames (6) are fixedly connected to the side of the bottom end of the fixed pulley base (5). A guiding pulley (7) is rotatably connected between the two guiding frames (6). A supporting base (8) is placed on the top of the construction site (1). A plurality of moving mechanisms (13) are provided on the supporting base (8). A plurality of fixing mechanisms (27) are provided on the supporting base (8). Two winding frames (9) are fixedly connected to the top surface of the supporting base (8). A winding drum (10) is rotatably connected between the two winding frames (9). A steel wire rope (11) is wound around the winding drum (10). The end of the steel wire rope (11) penetrates through the reversing well (2) and extends into the inner cavity of the pipe-passing groove (3) and is fixedly connected to a pipe (26). The middle section of the steel wire rope (11) is sleeved outside the guiding pulley (7). A driving device (12) is provided outside one of the winding frames (9). The output shaft of the driving device (12) is connected to one end of the rotating shaft of the winding drum (10).

2. The variable-direction device for pipe jacking in a location with limited space according to claim 1, wherein: The moving mechanism (13) includes a first electric push rod (16) fixedly installed on the top surface of the supporting base (8) and a first storage groove (14) opened on the bottom surface of the supporting base (8). The output end of the first electric push rod (16) extends into the inner cavity of the first storage groove (14) and is fixedly connected to a moving wheel (17).

3. The variable-direction device for pipe jacking in a location with limited space according to claim 1, characterized in that: The fixing mechanism (27) includes a second electric push rod (18) fixedly installed on the top surface of the supporting base (8) and a second storage groove (15) opened on the bottom surface of the supporting base (8). The output end of the second electric push rod (18) extends into the inner cavity of the second storage groove (15) and is fixedly connected to an installation box (19). A servo motor (20) is fixedly installed in the inner cavity of the installation box (19). The output shaft of the servo motor (20) extends to the bottom of the installation box (19) and is fixedly connected to a spiral drill rod (21).

4. A site-limited position pipe jacking deflection device according to claim 1, characterized in that: A push handle (22) is fixedly connected to the top surface of the supporting base (8). A control panel (23) is fixedly installed on the push handle (22).

5. The variable-direction device for dragging pipes in a position with limited space according to claim 1, wherein: A power supply box (24) is provided on the top surface of the supporting base (8). A power supply device (25) is provided inside the power supply box (24).

6. The variable-direction device for pulling pipes in a location with limited space according to claim 1, wherein: The outer diameter of the steel wire rope (11) is equal to the inner diameter of the groove on the guiding pulley (7).