Movable positioning structure for excavating extremely dense sand between piles of long-pile wharf through sand pump

By designing a mobile positioning structure for high pile docks, the problems of low excavation efficiency and poor positioning accuracy in extremely dense sand layers are solved, and efficient and precise excavation of the bank slope is achieved, ensuring the improvement of excavation quality.

CN120081291APending Publication Date: 2025-06-03CHINA ROAD & BRIDGE
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Patent Information

Application Number
CN202510508327.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2025-06-03

AI Technical Summary

Technical Problem

In extremely dense sand layers, traditional track lifting and grab grabs or sand pumps are difficult to effectively cut into the sand layer, resulting in slipping of the knife head and unable to stabilize the operation, thereby reducing excavation efficiency, and lacking precise positioning and depth control, resulting in uneven slopes after excavation of the bank slope, which is difficult to meet the design standards.

Method used

A mobile positioning structure for excavation of extremely dense sand pumps between piles between high pile wharfs is designed, including guide pipes, constraint structures, trucks, transverse structures and track systems. Through the coordinated work of these components, the moving positioning and height adjustment of the twisted suction head is realized to ensure efficient excavation in the extremely dense sand layer.

Benefits of technology

Through this moving positioning structure, excavation efficiency can be improved in the extremely dense sand layer, ensuring that the slope after the excavation of the bank slope can be flat, meeting the design section standards, and meeting the engineering acceptance requirements.

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Abstract

The invention relates to the technical field of bank slope construction, and discloses a movable positioning structure for excavating extremely dense sand between piles of a long-pile wharf by a sand pump, which comprises a guide pipe, and a cutter suction head is mounted at the bottom end of the guide pipe and used for pumping sand; the restraining structure is used for adjusting the height of the guide pipe; the restraining structure comprises a restraining frame, a restraining piece is fixedly connected to the interior of the restraining frame, a lifting winch is arranged on one side of the top of the restraining frame, and a plurality of first sliding dragon plates are symmetrically and fixedly connected to the two sides of the restraining frame; the cart is used for adjusting the longitudinal position of the restraining structure; the transverse moving structure is used for adjusting the transverse position of the cart; and the rail system is used for adjusting the longitudinal position of the transverse moving structure. The lifting winch is started to control winding and unwinding of the steel wire rope, the steel wire rope slides on the fixed pulley block and drives the steel pipe to move, meanwhile, the steel channel guide rail is driven to slide in the restraining piece, the cutter suction head is driven to move through movement of the steel pipe, and then the effect of lifting or descending the cutter suction head is achieved.
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Description

Technical Field

[0001] The present invention relates to the technical field of slope construction, and particularly to a mobile positioning structure for excavating extremely dense sand between piles of a high-pile wharf by a sand suction pump. Background Art

[0002] A high-pile wharf is a structural type widely used in port and coastal engineering. During its construction process, the excavation of the slope is one of the key processes. Currently, the slope excavation is usually carried out by equipment such as a grab, a sand suction pump or a dredger. Under dry-land operation conditions, a crawler crane is often used in combination with a grab or a sand suction pump for excavation; when operating on water, equipment such as a dredger is mostly used.

[0003] However, with the increasingly complex geological conditions in the construction area of high-pile wharves, especially when facing extremely dense sand layers (the standard penetration number of the soil layer is greater than 50 blows), the traditional operation methods of a crawler crane equipped with a grab or a sand suction pump face many challenges. Due to the strong biting force and cementation strength between the extremely dense sand particles, the rotating cutter head of the traditional suction head equipped with the sand suction pump is difficult to effectively cut into the sand layer, resulting in the cutter head slipping and being unable to operate stably, thereby seriously reducing the excavation efficiency.

[0004] In addition, the existing equipment generally lacks precise positioning and depth control devices during the excavation process, resulting in an uneven slope surface formed after the slope excavation, making it difficult to meet the design section standard and the engineering acceptance requirements. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a mobile positioning structure for excavating extremely dense sand between piles of a high-pile wharf by a sand suction pump, which solves the problems of low efficiency, poor positioning accuracy and unqualified excavation quality in the process of excavating extremely dense sand layers in the prior art.

[0006] To achieve the above object, the present invention is realized through the following technical solutions: A mobile positioning structure for excavating extremely dense sand between piles of a high-pile wharf by a sand suction pump, comprising:

[0007] A guiding pipe, the bottom end of the guiding pipe is installed with a suction head for sand suction;

[0008] A constraint structure, which is installed on the outer wall of the guiding pipe and is used to adjust the height of the guiding pipe;

[0009] The constraint structure includes a constraint frame, a constraint member is fixedly connected inside the constraint frame, a lifting winch is arranged on one side of the top of the constraint frame, and a plurality of sliding slide plates one are symmetrically and fixedly connected to both sides of the constraint frame;

[0010] A trolley, which is installed outside the constraint structure and is used to adjust the longitudinal position of the constraint structure;

[0011] A transverse movement structure, which is installed on the lower surface of the gantry crane and is used to adjust the transverse position of the gantry crane;

[0012] A track system, which is installed on the lower surface of the transverse movement structure and is used to adjust the longitudinal position of the transverse movement structure.

[0013] Preferably, the guiding pipe includes a steel pipe, the outer wall of the steel pipe is symmetrically and fixedly connected with channel steel guide rails, the outside of the channel steel guide rails is slidably connected to the inner wall of the restraint member, and the outer wall of the steel pipe is symmetrically provided with fixed pulley groups.

[0014] Preferably, the gantry crane includes a frame, the upper surface of the frame is slidably connected to the lower surface of the first sliding slide plate, a first mobile hoist is arranged on the upper surface of the frame, a plurality of first guiding wheels are symmetrically installed on the upper surface of the frame, a plurality of second sliding slide plates are symmetrically installed on the lower surface of the frame, and a limit sliding structure is fixedly connected to the lower surface of the frame.

[0015] Preferably, the transverse movement structure includes a moving frame, the upper surface of the moving frame is slidably connected to the lower surface of the second sliding slide plate, the inside of the moving frame is slidably connected to the outer wall of the limit sliding structure, a second mobile hoist is fixedly connected to the inside of the moving frame, motor walking wheels are fixedly connected to the lower surface of the moving frame, and second guiding wheels are fixedly connected to both ends of the moving frame.

[0016] Preferably, the track system includes a sliding track, and a steel track is arranged on the upper surface of the sliding track and is slidably connected with the motor walking wheels.

[0017] Preferably, the lower surface of the sliding track is connected with a wharf structure through a pressing plate.

[0018] Preferably, the steel pipe and the suction head are connected by a flange.

[0019] Preferably, the fixed pulley group and the lifting hoist are connected by a steel wire rope.

[0020] Preferably, the restraint frame and the first mobile hoist are connected by a steel wire rope, and the steel wire rope connection is sleeved on the first guiding wheel.

[0021] Preferably, the frame and the second mobile hoist are connected by a steel wire rope, and the steel wire rope is sleeved on the second guiding wheel.

[0022] The present invention provides a mobile positioning structure for excavating extremely dense sand between piles of a high-pile wharf by a sand pump.

[0023] It has the following beneficial effects:

[0024] 1. The present invention controls the winding and unwinding of the steel wire rope by starting the lifting hoist, enabling the steel wire rope to slide on the fixed pulley block and driving the steel pipe to move. Meanwhile, it drives the channel steel guide rail to slide inside the restraint member. The movement of the steel pipe drives the suction head to move, thereby achieving the effect of lifting or lowering the suction head and realizing the adjustment of the excavation elevation.

[0025] 2. The present invention controls the sliding of the steel wire rope on the first guide pulley by starting the first mobile hoist, driving the restraint frame to make the first sliding sliding plate slide on the vehicle frame. Meanwhile, it drives the steel pipe and the suction head to move longitudinally. By starting the second mobile hoist, it controls the sliding of the steel wire rope on the second guide pulley and drives the vehicle frame to make the second sliding sliding plate slide on the mobile frame. The movement of the vehicle frame drives the restraint frame to make the steel pipe and the suction head move horizontally, achieving the effect of mobile construction within a single working station. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a perspective view of the present invention;

[0027] Figure 2 is a side view of the present invention;

[0028] Figure 3 is a top view of the present invention;

[0029] Figure 4 is a schematic diagram of the steel pipe of the present invention;

[0030] Figure 5 is a schematic diagram of the internal structure of the present invention;

[0031] Figure 6 is a schematic diagram of the restraint frame of the present invention;

[0032] Figure 7 is a schematic diagram of the vehicle frame of the present invention;

[0033] Figure 8 is a schematic diagram of the mobile frame of the present invention;

[0034] Figure 9 is a schematic diagram of the sliding track of the present invention.

[0035] Among them, 1. guide pipe; 2. restraint structure; 3. large vehicle; 4. transverse movement structure; 5. track system; 6. suction head; 7. steel pipe; 8. channel steel guide rail; 9. fixed pulley block; 10. restraint member; 11. lifting hoist; 12. first sliding sliding plate; 13. first mobile hoist; 14. first guide pulley; 15. limit sliding structure; 16. motor walking wheel; 17. sliding track; 18. second sliding sliding plate; 19. second mobile hoist; 20. restraint frame; 21. vehicle frame; 22. mobile frame; 23. second guide pulley. DETAILED DESCRIPTION OF THE INVENTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0037] Please refer to the attached Figure 1 - attached Figure 9 , the embodiments of the present invention provide a mobile positioning structure for dredging sand between piles of a high-piled wharf by a sand suction pump, including:

[0038] A guiding pipe 1, at the bottom end of the guiding pipe 1, a cutter suction head 6 is installed, which is used for sand suction;

[0039] A constraint structure 2, which is installed on the outer wall of the guiding pipe 1 and is used to adjust the height of the guiding pipe 1; the guiding pipe 1 includes a steel pipe 7, on the outer wall of the steel pipe 7, channel steel guide rails 8 are symmetrically and fixedly connected, the outside of the channel steel guide rails 8 is slidably connected to the inner wall of the constraint member 10, and fixed pulley groups 9 are symmetrically arranged on the outer wall of the steel pipe 7; the steel pipe 7 and the cutter suction head 6 are connected by a flange; the constraint structure 2 includes a constraint frame 20, inside the constraint frame 20, a constraint member 10 is fixedly connected, on one side of the top of the constraint frame 20, a hoisting winch 11 is arranged, and a plurality of sliding slide plates one 12 are symmetrically and fixedly connected to both sides of the constraint frame 20; the fixed pulley groups 9 and the hoisting winch 11 are connected by steel wires;

[0040] Specifically, by starting the hoisting winch 11 to control the winding and unwinding of the steel wire, the steel wire slides on the fixed pulley groups 9, and drives the fixed pulley groups 9 to move, so that the fixed pulley groups 9 drive the steel pipe 7 to move, and at the same time drive the channel steel guide rails 8 to move, so that the channel steel guide rails 8 slide inside the constraint member 10. By the limit of the movement of the channel steel guide rails 8 by the constraint member 10, the stability of the steel pipe 7 can be ensured, and the movement of the steel pipe 7 drives the cutter suction head 6 to move.

[0041] A trolley 3, which is installed outside the constraint structure 2 and is used to adjust the longitudinal position of the constraint structure 2; the trolley 3 includes a vehicle frame 21, the upper surface of the vehicle frame 21 is slidably connected to the lower surface of the sliding slide plate one 12, on the upper surface of the vehicle frame 21, a moving winch one 13 is arranged, a plurality of guiding wheels one 14 are symmetrically installed on the upper surface of the vehicle frame 21, a plurality of sliding slide plates two 18 are symmetrically installed on the lower surface of the vehicle frame 21, and a limit sliding structure 15 is fixedly connected to the lower surface of the vehicle frame 21; the constraint frame 20 and the moving winch one 13 are connected by a steel wire, and the steel wire connection is sleeved on the guiding wheels one 14;

[0042] Specifically, by starting the mobile hoist 13 to control the retraction and release of the steel wire rope, the steel wire rope slides on the first guide pulley 14, drives the restraint frame 20 to move, makes the restraint frame 20 drive the first sliding dragon plate 12 to slide on the vehicle frame 21, and makes the restraint frame 20 drive the steel pipe 7 and the suction head 6 to move by extrusion, thereby adjusting the longitudinal position.

[0043] The transverse movement structure 4 is installed on the lower surface of the cart 3 to adjust the transverse position of the cart 3; the transverse movement structure 4 includes a moving frame 22, the upper surface of the moving frame 22 is slidably connected to the lower surface of the second sliding dragon plate 18, the inner part of the moving frame 22 is slidably connected to the outer wall of the limit sliding structure 15, a second mobile hoist 19 is fixedly connected inside the moving frame 22, motor-driven wheels 16 are fixedly connected to the lower surface of the moving frame 22, and second guide pulleys 23 are fixedly connected to both ends of the moving frame 22; the vehicle frame 21 and the second mobile hoist 19 are connected by a steel wire rope, and the steel wire rope is sleeved on the second guide pulleys 23;

[0044] Specifically, by starting the second mobile hoist 19 to control the retraction and release of the steel wire rope, the steel wire rope slides on the second guide pulleys 23 and drives the vehicle frame 21 to move, makes the vehicle frame 21 drive the second sliding dragon plate 18 to slide on the moving frame 22, and limits the movement of the vehicle frame 21 by the limit sliding structure 15 sliding on the inner wall of the moving frame 22 to improve the movement stability, and drives the restraint frame 20 by the movement of the vehicle frame 21 to make the steel pipe 7 and the suction head 6 move transversely.

[0045] The track system 5 is installed on the lower surface of the transverse movement structure 4 to adjust the longitudinal position of the transverse movement structure 4; the track system 5 includes a sliding track 17, and a steel track is arranged on the upper surface of the sliding track 17 and is slidably connected to the motor-driven wheels 16; the lower surface of the sliding track 17 is connected to the dock structure through a pressing plate;

[0046] Specifically, by starting the motor-driven wheels 16, the moving frame 22 moves on the steel track, and makes the moving frame 22 drive the vehicle frame 21 to move, and makes the vehicle frame 21 drive the restraint frame 20 to move transversely.

[0047] Working principle: First, start the motor driving wheel 16 to move the moving frame 22 on the steel track, thereby adjusting the position of the moving frame 22, and driving the vehicle frame 21 and the restraint frame 20 to move laterally. Control the winding and unwinding of the steel wire rope by starting the second moving winch 19, so that the steel wire rope slides on the second guide wheel 23 and drives the vehicle frame 21 to move, causing the vehicle frame 21 to drive the second sliding slide plate 18 to slide on the moving frame 22. Limit the movement of the vehicle frame 21 by the limit sliding structure 15 sliding on the inner wall of the moving frame 22 to improve the movement stability. Drive the restraint frame 20 by the movement of the vehicle frame 21 to move the steel pipe 7 and the cutter suction head 6 laterally. Then, control the winding and unwinding of the steel wire rope by starting the first moving winch 13, so that the steel wire rope slides on the first guide wheel 14 and drives the restraint frame 20 to move, causing the restraint frame 20 to drive the first slide plate 12 to slide on the vehicle frame 21, and the restraint frame 20 to drive the steel pipe 7 and the cutter suction head 6 to move up and down, thereby adjusting the longitudinal position, and then realizing the moving construction of the cutter suction head 6 within the range of a single working station. Control the winding and unwinding of the steel wire rope by starting the lifting winch 11, so that the steel wire rope slides on the fixed pulley block 9 and drives the fixed pulley block 9 to move, causing the fixed pulley block 9 to drive the steel pipe 7 to move, and at the same time drive the channel steel guide rail 8 to move, so that the channel steel guide rail 8 slides inside the restraint member 10. By limiting the movement of the channel steel guide rail 8 by the restraint member 10, the stability of the steel pipe 7 can be maintained. Drive the cutter suction head 6 to move by the movement of the steel pipe 7, thereby achieving the effect of lifting or lowering the cutter suction head 6 and realizing the adjustment of the excavation elevation.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile positioning structure for excavating extremely dense sand between piles of a high-pile dock by a sand pump, characterized in that: include: A guide pipe (1), the bottom end of which is provided with a suction head (6) for pumping sand; A restraining structure (2) is mounted on the outer wall of the guide tube (1) and is used to adjust the height of the guide tube (1); The restraint structure (2) comprises a restraint frame (20), a restraint member (10) is fixedly connected inside the restraint frame (20), a lifting winch (11) is arranged on one side of the top of the restraint frame (20), and a plurality of sliding dragon plates (12) are symmetrically fixedly connected on both sides of the restraint frame (20); A cart (3) mounted on the outside of the restraining structure (2) and used to adjust the longitudinal position of the restraining structure (2); A transverse movement structure (4) is installed on the lower surface of the trolley (3) and is used to adjust the transverse position of the trolley (3); A track system (5) is installed on the lower surface of the transverse structure (4) and is used to adjust the longitudinal position of the transverse structure (4).

2. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 1 is characterized in that: The guide tube (1) comprises a steel tube (7), the outer wall of the steel tube (7) is symmetrically fixedly connected with a channel steel guide rail (8), the outer part of the channel steel guide rail (8) is slidably connected to the inner wall of the restraining member (10), and the outer wall of the steel tube (7) is symmetrically provided with a fixed pulley block (9).

3. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 1 is characterized in that: The vehicle (3) comprises a vehicle frame (21), the upper surface of the vehicle frame (21) is slidably connected to the lower surface of a sliding dragon plate (12), a movable winch (13) is arranged on the upper surface of the vehicle frame (21), a plurality of guide wheels (14) are symmetrically mounted on the upper surface of the vehicle frame (21), a plurality of sliding dragon plates (18) are symmetrically mounted on the lower surface of the vehicle frame (21), and a limited position sliding structure (15) is fixedly connected to the lower surface of the vehicle frame (21).

4. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 1 is characterized in that: The transverse movement structure (4) comprises a moving frame (22), the upper surface of the moving frame (22) is slidably connected to the lower surface of the sliding dragon plate (18), the interior of the moving frame (22) is slidably connected to the outer wall of the limiting sliding structure (15), the interior of the moving frame (22) is fixedly connected to the moving winch (19), the lower surface of the moving frame (22) is fixedly connected to the motor walking wheel (16), and the two ends of the moving frame (22) are fixedly connected to the guide wheel (23).

5. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 1 is characterized in that: The track system (5) comprises a sliding track (17), and a steel track is provided on the upper surface of the sliding track (17) and is slidably connected to the motor running wheel (16).

6. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 5, characterized in that: The lower surface of the sliding track (17) is connected to a dock structure via a pressing plate.

7. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 2, characterized in that: The steel pipe (7) is connected to the suction head (6) via a flange.

8. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 2, characterized in that: The fixed pulley block (9) is connected to the lifting winch (11) via a steel wire rope.

9. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 1, characterized in that: The restraining frame (20) is connected to the mobile hoist (13) via a steel wire rope, and the steel wire rope connecting sleeve is arranged on the guide wheel (14).

10. The mobile positioning structure for excavating the extremely dense sand between piles of a high-pile dock according to claim 3, characterized in that: The vehicle frame (21) is connected to the second mobile hoist (19) via a steel wire rope, and the steel wire rope is sleeved on the second guide wheel (23).