Pull-type multifunctional dredger
By installing the positioning tail piles and front support arms on the dredger and combining the water propulsion device, the problem of unstable stay on the water surface of the traditional dredger is solved, and the stability and efficient operation of the hull when operating underwater is achieved.
Patent Information
- Application Number
- CN202420639762.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-30
AI Technical Summary
Traditional dredgers stay unstable on the water surface and are prone to drifting due to wind and waves, which affects the stability and efficiency of operations.
A trailed multi-function dredger was designed. By installing positioning tail piles at the stern and setting front support arms at the bow, combined with water propulsion devices, the hull was ensured to be stationary in the working area.
The stability of the hull during underwater operation is achieved, the stability and efficiency of the operation is improved, and the flexibility and versatility of the ship in different environments is ensured.
Smart Images

Figure CN222575602U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of amphibious vehicles, in particular to a towing multifunctional dredger. Background Art
[0002] Amphibious dredgers are a special type of dredger with amphibious functions. This type of vessel is usually designed to move flexibly between water and land, and its role covers a range of uses: water dredging and dredging, water engineering construction, emergency rescue, coastal ecological restoration, and land excavation and transportation.
[0003] Traditional ships want to stay in the water by inserting anchors into the mud on the bottom of the water. The chain connecting the anchor and the hull is usually long, which will cause the ship to drift on the water with the wind and waves. If the dredging ship cannot stay steadily on the water, it will affect its stability during operation.
[0004] In view of this, we propose a towing multifunctional dredger, which cooperates with the positioning tail pile and the front support arm to ensure that the hull can be stably moored in the operating area during operation, improve operation stability, and thus improve work efficiency. Utility Model Content
[0005] The purpose of the utility model is to provide a towable multifunctional dredger to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides a towing multifunctional dredger, which at least includes a main body, wherein the main body includes a hull, a bow and a stern, a plurality of wheels are provided at the bottom of the hull for enabling the hull to travel on land, a water propulsion device is installed under the stern for driving the hull to travel on the water surface, a plurality of positioning tail piles are installed at one end of the stern for ensuring the stability of the stern during underwater operations, a pair of symmetrically arranged front support arms are provided on both sides of the bow for ensuring the stability of the bow during underwater operations, and an excavation actuator is provided on the top of the bow for performing construction operations in different directions.
[0007] As a further improvement of the present technical solution, the water propulsion device includes a hydraulic motor rotatably connected to the bottom of the stern, the end of the hydraulic motor away from the stern is rotatably connected to a transfer rod, and the transfer rod is coaxially connected to a propeller on the side away from the stern.
[0008] As a further improvement of the present technical solution, the positioning tail pile comprises a mounting ring fixedly connected to the rear of the stern, a stabilizing pile is inserted into the mounting ring, a positioning hydraulic rod is provided on one side of the mounting ring, and a piston end of the positioning hydraulic rod is fixedly connected to the stabilizing pile.
[0009] As a further improvement of the technical solution, the front support arm includes a rotating bolt rotatably connected to the bow, the end of the rotating bolt away from the stern is rotatably connected to a folding arm, and the end of the folding arm away from the rotating bolt is rotatably connected to a positioning arm.
[0010] As a further improvement of the technical solution, the excavation actuator includes a turntable rotatably connected to the top of the bow, and a working arm is rotatably connected to the top of the turntable.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] In this towing multifunctional dredger, a plurality of wheels arranged at the bottom of the hull are used to enable the hull to travel on land, a water propulsion device installed under the stern is used to drive the hull to travel on the water surface, a plurality of positioning tail piles installed at one end of the stern are used to ensure the stability of the stern during underwater operations, and a pair of symmetrically arranged front support arms provided on both sides of the bow are used to ensure the stability of the bow during underwater operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The overall structure of the embodiment of the utility model is shown in FIG. Figure 1 ;
[0014] Figure 2 The overall structure of the embodiment of the utility model is shown in FIG. Figure 2 ;
[0015] Figure 3 This is a main structure diagram of an embodiment of the utility model;
[0016] Figure 4 This is a structural diagram of a water propulsion device according to an embodiment of the utility model;
[0017] Figure 5 This is a structural diagram of the positioning tail pile of an embodiment of the utility model;
[0018] Figure 6 This is a structural diagram of the front support arm of an embodiment of the utility model;
[0019] Figure 7 This is a structural diagram of the excavation actuator of an embodiment of the utility model.
[0020] The meaning of each number in the figure is:
[0021] 10. Main body; 11. Hull; 12. Bow; 13. Stern; 14. Wheels;
[0022] 20. Water propulsion device; 21. Transfer rod; 22. Hydraulic motor; 23. Propeller;
[0023] 30. Position the tail pile; 31. Install the ring; 32. Insert the pile; 33. Position the hydraulic rod;
[0024] 40. front support arm; 41. rotating bolt; 42. folding arm; 43. positioning arm;
[0025] 50. Excavation actuator; 51. Turntable; 52. Working arm. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] Example
[0028] See also Figure 1-Figure 7 As shown, the present embodiment provides a towing multifunctional dredger, which at least includes a main body 10, and the main body 10 includes a hull 11, a bow 12 and a stern 13. A plurality of wheels 14 are provided at the bottom of the hull 11 for enabling the hull 11 to travel on land. A water propulsion device 20 is installed under the stern 13 for driving the hull 11 to travel on the water surface. A plurality of positioning tail piles 30 are installed at one end of the stern 13 for ensuring the stability of the stern 13 during underwater operations. A pair of symmetrically arranged front support arms 40 are provided on both sides of the bow 12 for ensuring the stability of the bow 12 during underwater operations. An excavation actuator 50 is provided on the top of the bow 12 for performing construction operations in different directions.
[0029] Working principle: When the towing multifunctional dredger provided by the utility model is used, a plurality of wheels 14 arranged at the bottom of the hull 11 are used to realize the movement of the hull 11 on land, a water propulsion device 20 installed under the stern 13 is used to drive the hull 11 to travel on the water surface, a plurality of positioning tail piles 30 installed at one end of the stern 13 are used to ensure the stability of the stern 13 during underwater operations, and a pair of symmetrically arranged front support arms 40 provided on both sides of the bow 12 are used to ensure the stability of the bow 12 during underwater operations.
[0030] In order to drive the hull 11 to travel on the water surface, the water propulsion device 20 includes a hydraulic motor 22 rotatably connected to the bottom of the stern 13, and the end of the hydraulic motor 22 away from the stern 13 is rotatably connected to a transfer rod 21, and the side of the transfer rod 21 away from the stern 13 is coaxially connected to a propeller 23; the inclination angle of the hydraulic motor 22 underwater can be adjusted by the transfer rod 21, so that the hull 11 can be turned.
[0031] Considering the need to ensure the stability of the stern 13 during underwater operations, the positioning tail pile 30 includes a mounting ring 31 fixedly connected to the tail of the stern 13, a stabilizing pile 32 is inserted in the mounting ring 31, and a positioning hydraulic rod 33 is provided on one side of the mounting ring 31, and the piston end of the positioning hydraulic rod 33 is fixedly connected to the stabilizing pile 32; when the position of the hull 11 is determined, the positioning hydraulic rod 33 is driven to drive the stabilizing pile 32 fixedly connected to the piston end thereof to be inserted downward into the mud and sand in the water, thereby fixing the position of the hull 11 in the water.
[0032] In order to ensure the stability of the bow 12 during underwater operations, the front support arm 40 includes a rotating bolt 41 rotatably connected to the bow 12, the end of the rotating bolt 41 away from the stern 13 is rotatably connected to a folding arm 42, and the end of the folding arm 42 away from the rotating bolt 41 is rotatably connected to a positioning arm 43.
[0033] In order to carry out construction operations in different directions, the excavation actuator 50 includes a turntable 51 rotatably connected to the top of the bow 12, and a working arm 52 is rotatably connected to the top of the turntable 51; the working arm 52 includes a large arm, a small arm, and a shovel; the turntable 51 drives the working arm 52 to rotate 350° above the bow 12. The versatility of the dredger lies in that the shovel can be replaced with equipment for different purposes. For example, hard objects can be broken by a drill bit first, and then the digging claws can be replaced to excavate and retrieve sand and soil.
[0034] The traction-type multifunctional dredger provided in the utility model is used to realize the travel of the hull 11 on land through a plurality of wheels 14 arranged at the bottom of the hull 11, and to drive the hull 11 to travel on the water surface through a water propulsion device 20 installed under the stern 13. Specifically, the inclination angle of the hydraulic motor 22 under water can be adjusted by the transfer rod 21, so that the hull 11 can be turned; a plurality of positioning tail piles 30 installed at one end of the stern 13 are used to ensure the stability of the stern 13 during underwater operation. Specifically, after the position of the hull 11 is determined, the positioning hydraulic motor 22 is driven to rotate. The pressure rod 33 drives the stabilizing pile 32 fixedly connected to its piston end to be inserted downward into the mud and sand in the water, thereby fixing the position of the hull 11 in the water; then a pair of symmetrically arranged front support arms 40 are provided on both sides of the bow 12 to ensure the stability of the bow 12 during underwater operations; the working arm 52 includes an upper arm, a lower arm, and a shovel; the working arm 52 is driven by the turntable 51 to rotate 350° above the bow 12. The versatility of the dredger lies in that the shovel can be replaced with equipment for different purposes. For example, hard objects can be broken by a drill bit first, and then the upper digging claw can be replaced to excavate and retrieve sand and soil.
[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. Towable multifunctional dredger, characterized by: The invention comprises at least a main body (10), wherein the main body (10) comprises a hull (11), a bow (12) and a stern (13); a plurality of wheels (14) are arranged at the bottom of the hull (11) for enabling the hull (11) to travel on land; a water propulsion device (20) is installed below the stern (13) for driving the hull (11) to travel on the water surface; a plurality of positioning tail piles (30) are installed at one end of the stern (13) for ensuring the stability of the stern (13) during underwater operation; a pair of symmetrically arranged front support arms (40) are arranged on both sides of the bow (12) for ensuring the stability of the bow (12) during underwater operation; and an excavation actuator (50) is arranged at the top of the bow (12) for carrying out construction operations in different directions.
2. The towable multifunctional dredger according to claim 1, characterized in that: The water propulsion device (20) comprises a hydraulic motor (22) rotatably connected to the bottom of the stern (13); one end of the hydraulic motor (22) away from the stern (13) is rotatably connected to a transfer rod (21); and the side of the transfer rod (21) away from the stern (13) is coaxially connected to a propeller (23).
3. The towable multifunctional dredger according to claim 1, characterized in that: The positioning tail pile (30) comprises a mounting ring (31) fixedly connected to the tail of the stern (13), a stabilizing pile (32) being inserted into the mounting ring (31), a positioning hydraulic rod (33) being provided on one side of the mounting ring (31), and a piston end of the positioning hydraulic rod (33) being fixedly connected to the stabilizing pile (32).
4. The towable multifunctional dredger according to claim 1, characterized in that: The front support arm (40) comprises a rotating bolt (41) rotatably connected to the bow (12); an end of the rotating bolt (41) away from the stern (13) is rotatably connected to a folding arm (42); and an end of the folding arm (42) away from the rotating bolt (41) is rotatably connected to a positioning arm (43).
5. The towable multifunctional dredger according to claim 1, characterized in that: The excavation execution mechanism (50) comprises a turntable (51) rotatably connected to the top of the bow (12), and a working arm (52) is rotatably connected to the top of the turntable (51).