Coastal wharf soft dredger fill excavation device

Abstract

The invention relates to the technical field of coastal wharf construction, in particular to a coastal wharf soft dredger fill excavation device which is characterized in that a dredging mechanism is arranged on a movable floating body, so that the movable floating body can stably float in a complex and changeable water area and freely move to a designated position, and the movable floating body is fixed to a pile body on the water area through a locking assembly; the dredging mechanism is hoisted on the operation support and driven by the lifting driving source so that the dredging mechanism can sink to an underwater operation area to conduct dredging work, the operation support can move relative to the floating body and is matched with the lifting driving source so that the underwater position of the dredging mechanism can be accurately adjusted and controlled, and flexible underwater displacement of the dredging mechanism is achieved; and the excavation requirements of different depths and positions are perfectly met.

Description

Technical Field

[0001] The invention relates to the technical field of coastal wharf construction, in particular to a soft fill excavation device for a coastal wharf. Background Art

[0002] Coastal docks are important infrastructure for marine transportation, and foundation treatment is an important part of dock construction, which is directly related to the safety and efficiency of the port. The foundations of coastal docks are mostly soft fill soils, which have high moisture content, high compressibility, high porosity, and low bearing capacity, which brings great challenges to the construction of coastal docks.

[0003] Traditional methods for excavating soft fill soil at coastal docks include mechanical excavation and ship dredging. Mechanical excavation is often affected by factors such as soil quality, weather, environmental protection requirements, and construction safety. It has high requirements for excavation depth and site space, and the foundation pit needs to add support and drainage measures, which requires more manpower and material resources, and the construction period is long, making it difficult to meet the requirements of project progress, cost control, and safe and civilized construction; ship dredging has the disadvantages of large ship equipment, difficult dispatch, and high cost, and it is difficult to effectively dredge the slope protection below the middle sill of coastal docks. Summary of the invention

[0004] In order to achieve the above-mentioned purpose, the present invention provides an efficient, stable and environmentally friendly coastal wharf soft fill excavation device, comprising:

[0005] A floating body connected to a mobile driving source, the mobile driving source is used to drive the floating body to move on the water surface, the floating body is provided with an operation hole, and locking components for fixing the floating body are arranged around the floating body;

[0006] An operation support, movably arranged on the operation hole;

[0007] A dredging mechanism is hoisted on the operation support and sinks through the operation hole to the underwater operation area;

[0008] A lifting drive source is arranged on the floating body, and the lifting drive source can drive the dredging mechanism to rise or fall.

[0009] In some possible embodiments, guide rails are provided on opposite sides of the working hole, and guide wheels are provided on the working support. The guide wheels are installed in the guide rails and can reciprocate in the guide rails.

[0010] In some possible embodiments, a fixed pulley is provided at the upper end of the working support, and the output end of the lifting drive source passes through the fixed pulley through a traction wire rope and is connected to the dredging mechanism.

[0011] In some possible embodiments, the dredging mechanism includes a vertical mud pump and stirring blades disposed on opposite sides of the vertical mud pump, and the stirring blades are connected to a stirring driving source.

[0012] In some possible embodiments, the locking assembly includes a fixed support fixedly mounted on the floating body and a telescopic rod horizontally arranged and threadedly connected to the fixed support, and a rubber pad is provided at the front end of the telescopic rod.

[0013] In some possible embodiments, guardrails are installed around the floating body.

[0014] The beneficial effects of the present invention are as follows: the present invention arranges a dredging mechanism on a movable floating body, so that it can stably float and freely move to a designated position in complex and changeable waters, and fixes it to a pile body on the water area by a locking component; the dredging mechanism is hoisted on an operating bracket and driven by a lifting drive source, so that it can sink to an underwater operating area for dredging; the operating bracket can move relative to the floating body and cooperate with the lifting drive source to accurately adjust the underwater position of the dredging mechanism, thereby realizing flexible displacement of the dredging mechanism underwater and perfectly adapting to excavation requirements at different depths and positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a soft fill excavation device for a coastal wharf provided by an embodiment of the present invention;

[0017] Figure 2 A schematic diagram of the three-dimensional structure of a dredging mechanism provided in an embodiment of the present invention.

[0018] Figure numerals: floating body 10, mobile drive source 11, working hole 12, working support 13, dredging mechanism 14, vertical mud pump 141, stirring blade 142, stirring drive source 143, lifting drive source 15, guide rail 16, fixed pulley 17, traction wire rope 18, fixed support 19, telescopic rod 20, rubber pad 21, guardrail 22. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Reference Figure 1 and Figure 2 The device for excavating soft fill soil at a coastal wharf shown in the figure comprises a floating body 10 and a dredging mechanism 14 arranged on the floating body 10, the floating body 10 is connected to a mobile driving source 11, and locking components are arranged around the floating body 10, the mobile driving source 11 can drive the floating body 10 to move freely on the water surface to a designated area and when there are pile bodies around it, the locking components can fix the floating body 10 on the pile bodies to avoid the movement of the floating body 10 during operation, the floating body 10 is also provided with an operation hole 12, and an operation support 13 is arranged on the floating body 10 above the operation hole 12, and the operation support 13 can move relative to the floating body 10, the dredging mechanism 14 is hoisted on the operation support 13 and sinks through the operation hole 12 to the underwater operation area, and the floating body 10 is also provided with a lifting drive source 15, and the lifting drive source 15 can drive the dredging mechanism 14 to rise or fall relative to the floating body 10.

[0021] In some possible embodiments, guide rails 16 are provided on opposite sides of the working hole 12, and guide wheels are correspondingly provided on both sides of the working bracket 13. After the working bracket 13 is installed, the guide wheels are located in the guide rails 16, and the working bracket 13 can be driven by human power or mechanical drive to move relative to the floating body 10, so as to drive the dredging mechanism 14 to move underwater.

[0022] In some possible embodiments, a fixed pulley 17 is provided at the upper end of the working support 13, and the lifting drive source 15 can be a winch. The output end of the winch is a traction wire rope 18, and one end of the traction wire rope 18 passes through the fixed pulley 17 and is connected to the dredging mechanism 14, so that the lifting drive source 15 can drive the dredging mechanism 14 to rise and fall; further, the floating body 10 is also equipped with a measuring water gauge, and the operator can observe the displayed value of the measuring water gauge to determine the height to which the dredging mechanism 14 needs to sink, and drive the dredging mechanism 14 to rise or fall through the lifting drive source 15, so as to realize precise adjustment of the landing position of the dredging mechanism 14.

[0023] In some possible embodiments, reference Figure 2As shown, the dredging mechanism 14 includes a vertical mud pump 141 and stirring blades 142 arranged on opposite sides of the vertical mud pump 141. The output end of the vertical mud pump 141 is a conveying pipe, which can pass through the working hole 12 and be connected to an external mud transport ship or a designated mud storage location. The stirring blades 142 are connected to a stirring driving source 143. The stirring driving source 143 drives the stirring blades 142 to rotate, so as to muddy and dilute the soft fill soil and turn it into quicksand-like muddy water. The vertical mud pump 141 is started to pump the quicksand-like muddy water to the designated location. Furthermore, the impeller of the mud pump of this embodiment adopts a semi-open design, which can effectively improve the flow particle size of the fill soil.

[0024] In some possible embodiments, the locking assembly includes a fixed support 19 and a telescopic rod 20. The fixed support 19 is fixed to the floating body 10 by welding or bolting. A horizontal threaded through hole is opened on the fixed support 19. An external thread is formed at the rear end of the telescopic rod 20, and a rubber pad 21 is arranged at the front end. The telescopic rod 20 is placed in the threaded through hole. The telescopic rod 20 can be extended by screwing it and the rubber pad 21 can be pressed against the pile body or retracted to loosen the pile body.

[0025] In some possible embodiments, guardrails 22 are installed around the floating body 10 .

[0026] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A device for excavating soft fill soil at a coastal wharf, characterized in that: include: A floating body (10) is connected to a mobile driving source (11), wherein the mobile driving source (11) is used to drive the floating body (10) to move on the water surface, an operation hole (12) is provided on the floating body (10), and locking components for fixing the floating body (10) are arranged around the floating body (10); An operation support (13) is movably arranged on the operation hole (12); A dredging mechanism (14) is hoisted on the operation support (13) and passes through the operation hole (12) and sinks to the underwater operation area; A lifting drive source (15) is arranged on the floating body (10), and the lifting drive source (15) can drive the dredging mechanism (14) to rise or fall.

2. The device for excavating soft fill soil at a coastal wharf according to claim 1, characterized in that: The operating hole (12) is provided with guide rails (16) on opposite sides thereof, and the operating bracket (13) is provided with guide wheels, which are installed in the guide rails (16) and can reciprocate in the guide rails (16).

3. The device for excavating soft fill soil at a coastal wharf according to claim 1, characterized in that: A fixed pulley (17) is provided at the upper end of the working support (13), and the output end of the lifting drive source (15) passes through the fixed pulley (17) through a traction wire rope (18) and is connected to the dredging mechanism (14).

4. The device for excavating soft fill soil at a coastal wharf according to claim 1, characterized in that: The dredging mechanism (14) comprises a vertical mud pump (141) and stirring blades (142) arranged on two opposite sides of the vertical mud pump (141), and the stirring blades (142) are connected to a stirring driving source (143).

5. The device for excavating soft fill soil at a coastal wharf according to claim 1, characterized in that: The locking assembly comprises a fixed support (19) fixedly mounted on the floating body (10) and a telescopic rod (20) arranged horizontally and threadedly connected to the fixed support (19), wherein a rubber pad (21) is arranged at the front end of the telescopic rod (20).

6. The device for excavating soft fill soil at a coastal wharf according to claim 1, characterized in that: Guardrails (22) are installed around the floating body (10).

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