Slurry sampling device for trailing suction dredger

Abstract

The slurry sampling device comprises a bottom plate, a fixed support is welded to the surface of the top of the bottom plate, a first movable plate is slidably connected to the sides, close to each other, of the inner walls of the two sides of the fixed support, and a movable rod is welded to one side of the surface of the bottom of the first movable plate; a fixing plate is welded to the bottom end of the moving rod, a second moving plate is welded to one side of the fixing plate, a long-strip-shaped through hole is formed in the middle of the second moving plate in the vertical direction, and limiting plates are slidably connected to the inner walls of the two sides of the long-strip-shaped through hole formed in the second moving plate. According to the mud sampling device for the trailing suction dredger, the servo motor, the threaded rod, the sampling barrel and the like are arranged, so that the sampling barrel can be moved to a specified position in a bottom mud cabin of the trailing suction dredger for sampling, and meanwhile, the occurrence of a dangerous event that a sampling person pulls a rope with two hands to lower the sampling barrel to sample mud is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mud sampling of trailing suction hopper dredgers, in particular to a mud sampling device for a trailing suction hopper dredger. Background Technique

[0002] A trailing suction hopper dredger is a type of suction dredger. It sucks mud through a drag head placed on both sides or the tail of the hull and works in a way of sucking mud while sailing. It uses a mud rake to loosen the soil and has an open-bottom mud tank in the middle of the ship, and the volume of the tank represents the size of the ship.

[0003] The trailing suction hopper dredger stores the sucked mud in the bottom mud tank. Usually, the sampling personnel on the ship stand on the deck of the bottom mud tank and lower the sampling cylinder into the bottom mud tank through ropes or the like for sampling. However, such an operation is not convenient for determining which layer of mud in the bottom mud tank is sampled, and when sampling the mud in the bottom mud tank, there is also a certain safety risk for the sampling personnel to lower the sampling cylinder by pulling the rope with both hands. Content of the Utility Model

[0004] The purpose of the utility model is to provide a mud sampling device for a trailing suction hopper dredger aiming at the deficiencies of the prior art, so as to solve the problems put forward in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A mud sampling device for a trailing suction hopper dredger includes a bottom plate. A fixed bracket is welded on the top surface of the bottom plate. A first moving plate is slidably connected to one side of the inner walls of both sides of the fixed bracket close to each other. A moving rod is welded to one side of the bottom surface of the first moving plate. The bottom end of the moving rod is welded with a fixing plate, and a second moving plate is welded to one side of the fixing plate. A long strip-shaped through hole is vertically opened in the middle of the second moving plate, and a limiting plate is slidably connected to the inner walls on both sides of the long strip-shaped through hole opened in the second moving plate. A placing plate is welded to the bottom of the second moving plate, and a sampling cylinder is placed on one side close to the placing plate and the limiting plate. A first threaded rod passing through the first moving plate is rotatably connected to the inner wall of the top of the fixed bracket.

[0006] As a preferred technical scheme of the utility model, a first servo motor is fixedly installed on one side of the top surface of the bottom plate, and a first bevel gear is installed at the output end of the first servo motor.

[0007] As a preferred technical scheme of the utility model, the bottom end of the first threaded rod is rotatably connected to the top surface of the bottom plate. A second bevel gear is installed on the outer ring of the lower part of the first threaded rod, and the second bevel gear meshes with the first bevel gear installed at the output end of the first servo motor.

[0008] As a preferred technical solution of the present utility model, a second servo motor is installed on the top surface of the sampling cylinder, and the output end of the second servo motor is connected by a coupling to a rotating shaft that penetrates and extends into the sampling cylinder. A protective cover is installed on the top surface of the sampling cylinder, and the second servo motor is located inside the protective cover.

[0009] As a preferred technical solution of the present utility model, a plurality of feed holes are provided on one side of the sampling cylinder, and a sealing plate is arranged at the feed holes. One side of the sealing plate is welded with a connecting plate, and the other side of the connecting plate is fixedly connected to the rotating shaft, and the sealing plate matches the feed holes opened in the sampling cylinder.

[0010] As a preferred technical solution of the present utility model, the bottom inner wall of the long strip through hole opened in the second moving plate is rotatably connected to a second threaded rod that penetrates the limiting plate and extends to the upper part of the second moving plate, and a hand wheel is installed at the top end of the second threaded rod.

[0011] As a preferred technical solution of the present utility model, a conical tip is installed at the bottom end of the sampling cylinder, and a through hole is opened on the placing plate.

[0012] Compared with the prior art, the present utility model provides a mud sampling device for a trailing suction hopper dredger, and has the following beneficial effects:

[0013] For the mud sampling device for a trailing suction hopper dredger, by setting a servo motor, a threaded rod, a sampling cylinder, etc., the first servo motor can be started, and the first threaded rod can be driven to rotate through the first bevel gear and the second bevel gear. Further, the first moving plate can be moved downward, and then the fixing plate can be driven to move downward through the moving rod. Further, the sampling cylinder can be driven to move downward through the second moving plate, so that the sampling cylinder can be moved to a specified position in the bottom mud tank of the trailing suction hopper dredger for sampling, and at the same time, it also avoids the dangerous situation of sampling personnel lowering the sampling cylinder by pulling the rope with both hands. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic cross-sectional structure diagram of the sampling cylinder of the present utility model;

[0016] Figure 3 is a schematic diagram of the back structure of the present utility model.

[0017] Reference numerals: 1, bottom plate; 2, placing plate; 3, sampling cylinder; 4, protective cover; 5, handwheel; 6, moving rod; 7, first threaded rod; 8, first moving plate; 9, fixed bracket; 10, second moving plate; 11, first servo motor; 12, limiting plate; 13, fixing plate; 14, sealing plate; 15, connecting plate; 16, rotating shaft; 17, second servo motor; 18, second threaded rod. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1 - 3 , in this embodiment: A mud sampling device for a trailing suction hopper dredger includes a bottom plate 1. A fixed bracket 9 is welded to the top surface of the bottom plate 1, which can play a supporting role. The inner walls of both sides of the fixed bracket 9 are slidably connected with a first moving plate 8 on the side close to each other, which can move up and down. One side of the bottom surface of the first moving plate 8 is welded with a moving rod 6. When the first moving plate 8 moves, it can drive the moving rod 6 to move. The bottom end of the moving rod 6 is welded with a fixing plate 13, and one side of the fixing plate 13 is welded with a second moving plate 10. When the moving rod 6 moves, it can drive the second moving plate 10 to move through the fixing plate 13. A long strip-shaped through hole is opened in the middle of the second moving plate 10 in the vertical direction, and the inner walls of both sides of the long strip-shaped through hole opened in the second moving plate 10 are slidably connected with a limiting plate 12. A placing plate 2 is welded to the bottom of the second moving plate 10, and a sampling cylinder 3 is placed on the side close to each other between the placing plate 2 and the limiting plate 12. When the second moving plate 10 moves, it can drive the sampling cylinder 3 to move. The inner wall of the top of the fixed bracket 9 is rotatably connected with a first threaded rod 7 passing through the first moving plate 8. When the first threaded rod 7 rotates, the first moving plate 8 can be moved.

[0020] In this embodiment, a first servo motor 11 is fixedly installed on one side of the top surface of the bottom plate 1, and a first bevel gear is installed at the output end of the first servo motor 11. The bottom end of the first threaded rod 7 is rotatably connected to the top surface of the bottom plate 1. A second bevel gear is installed on the outer circle of the lower part of the first threaded rod 7, and the second bevel gear meshes with the first bevel gear installed at the output end of the first servo motor 11. When the first servo motor 11 is started, the first threaded rod 7 can be driven to rotate through the first bevel gear and the second bevel gear. A second servo motor 17 is installed on the top surface of the sampling cylinder 3, and the output end of the second servo motor 17 is connected by a coupling to a rotating shaft 16 that penetrates and extends into the sampling cylinder 3. A protective cover 4 is installed on the top surface of the sampling cylinder 3, and the second servo motor 17 is located inside the protective cover 4, which can protect the second servo motor 17. A plurality of feed holes are provided on one side of the sampling cylinder 3, which allows the mud to enter the sampling cylinder 3. A sealing plate 14 is provided at the feed hole, which can seal the feed hole of the sampling cylinder 3. A connecting plate 15 is welded to one side of the sealing plate 14, and the other side of the connecting plate 15 is fixedly connected to the rotating shaft 16. The sealing plate 14 matches the feed hole opened on the sampling cylinder 3. By starting the second servo motor 17, the sealing plate 14 can be driven to move through the connecting plate 15. At this time, the feed hole on the sampling cylinder 3 can be opened or closed. The bottom inner wall of the long strip-shaped through hole opened on the second moving plate 10 is rotatably connected to a second threaded rod 18 that penetrates the limiting plate 12 and extends to the upper part of the second moving plate 10. A handwheel 5 is installed at the top end of the second threaded rod 18. By rotating the handwheel 5, the second threaded rod 18 can be rotated, and then the limiting plate 12 can be moved. A conical tip is installed at the bottom end of the sampling cylinder 3. A through hole is opened on the placing plate 2, which is convenient for the conical tip installed at the bottom of the sampling cylinder 3 to be inserted.

[0021] Working principle and usage process of the present utility model: For a mud sampling device used for a trailing suction hopper dredger, during use, first, the bottom plate 1 can be fixedly installed on the clamping plate at the top of the bottom mud tank of the trailing suction hopper dredger, and the bottom end of the sampling cylinder 3 can be inserted into the through hole opened in the placement plate 2. Then, the handwheel 5 can be rotated, which can cause the second threaded rod 18 to rotate, drive the limit plate 12 to move, and limit the sampling cylinder 3, so that the sampling cylinder 3 can be fixedly installed on the second moving plate 10. After that, the first servo motor 11 can be started, which can drive the first threaded rod 7 to rotate through the first bevel gear and the second bevel gear. Further, it can cause the first moving plate 8 to move downward, and then drive the fixing plate 13 to move downward through the moving rod 6. Further, it can drive the sampling cylinder 3 to move downward through the second moving plate 10, so as to move the sampling cylinder 3 to a specified position in the bottom mud tank of the trailing suction hopper dredger for sampling. After that, the second servo motor 17 can be turned on, which can drive the sealing plate 14 to move through the connecting plate 15. At this time, the feeding hole on the sampling cylinder 3 can be opened, and the mud can enter the sampling cylinder 3 through the feeding hole opened on the sampling cylinder 3. Then, the second servo motor 17 can be driven to drive the connecting plate 15 to rotate, and then the sealing plate 14 can be moved to close the feeding hole on the sampling cylinder 3. After that, by starting the first servo motor 11 to reverse, the sampling cylinder 3 can be moved upward. Then, the sampling cylinder 3 can be removed, and the mud in the sampling cylinder 3 can be taken out, so as to achieve the purpose of sampling the mud of the trailing suction hopper dredger.

[0022] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A mud sampling device for a trailing suction hopper dredger, comprising a bottom plate (1), characterized in that: A fixing bracket (9) is welded to the top surface of the bottom plate (1). On one side of the inner walls of both sides of the fixing bracket (9) close to each other, a first moving plate (8) is slidably connected. On one side of the bottom surface of the first moving plate (8), a moving rod (6) is welded. At the bottom end of the moving rod (6), a fixing plate (13) is welded. And on one side of the fixing plate (13), a second moving plate (10) is welded. A long strip-shaped through hole is vertically formed in the middle of the second moving plate (10). And on the inner walls of both sides of the long strip-shaped through hole formed in the second moving plate (10), a limiting plate (12) is slidably connected. A placing plate (2) is welded to the bottom of the second moving plate (10). And a sampling cylinder (3) is placed on one side close to each other between the placing plate (2) and the limiting plate (12). A first threaded rod (7) passing through the first moving plate (8) is rotatably connected to the inner wall of the top of the fixing bracket (9).

2. The mud sampling device for a trailing suction hopper dredger according to claim 1, wherein: A first servo motor (11) is fixedly installed on one side of the top surface of the bottom plate (1). And a first bevel gear is arranged at the output end of the first servo motor (11).

3. The mud sampling device for a trailing suction hopper dredger according to claim 1, wherein: The bottom end of the first threaded rod (7) is rotatably connected to the top surface of the bottom plate (1). A second bevel gear is installed on the outer ring of the lower part of the first threaded rod (7). And the second bevel gear is meshed with the first bevel gear installed at the output end of the first servo motor (11).

4. The mud sampling device for a trailing suction hopper dredger according to claim 1, characterized in that: A second servo motor (17) is installed on the top surface of the sampling cylinder (3). And the output end of the second servo motor (17) is connected by a coupling to a rotating shaft (16) passing through and extending into the sampling cylinder (3). A protective cover (4) is installed on the top surface of the sampling cylinder (3). And the second servo motor (17) is located inside the protective cover (4).

5. The mud sampling device for a trailing suction hopper dredger according to claim 1, wherein: A plurality of feed holes are formed in one side of the sampling cylinder (3). And a sealing plate (14) is arranged at the feed holes. A connecting plate (15) is welded to one side of the sealing plate (14). And the other side of the connecting plate (15) is fixedly connected to the rotating shaft (16). And the sealing plate (14) matches the feed holes formed in the sampling cylinder (3).

6. The mud sampling device for a trailing suction hopper dredger according to claim 1, characterized in that: A second threaded rod (18) passing through the limiting plate (12) and extending to the upper part of the second moving plate (10) is rotatably connected to the bottom inner wall of the long strip-shaped through hole formed in the second moving plate (10). And a hand wheel (5) is installed at the top end of the second threaded rod (18).

7. A mud sampling device for a trailing suction hopper dredger according to claim 1, characterized in that: A conical tip is installed at the bottom end of the sampling cylinder (3). A through hole is formed in the placing plate (2).

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