Seawater lifting device externally hung on ship body

Abstract

The utility model is suitable for the technical field of seawater lifting devices, and provides a ship body external hanging type seawater lifting device which comprises a device box, and a top hole is vertically formed in the top end of the device box in a penetrating mode. According to the ship body external hanging type seawater lifting device, a guide groove and a movable block are arranged, the bottom end of a device box of the device communicates with a bottom pipe, the interior of the bottom pipe is vertically and slidably connected with a movable pipe, and when seawater lifting needs to be carried out, a threaded rod of the device is controlled to rotate, and then the movable block can be driven to move up and down through movement of a threaded sleeve; the threaded rod is rotated reversely to drive the movable pipe to move downwards to enter seawater, then the draw-off pump can be started to draw the seawater, and the threaded rod is rotated reversely to drive the movable pipe to return to the interior of the bottom pipe after drawing is completed, so that the movable pipe cannot be placed in the water for a long time and cannot be corroded, and the service life of the device is prolonged; therefore, frequent replacement is not needed, and the working efficiency of seawater lifting operation is improved in a disguised manner.

Description

Technical Field

[0001] The utility model belongs to the technical field of seawater lifting devices, and in particular relates to a hull external hanging type seawater lifting device. Background Art

[0002] The seawater lifting device is an important tool for offshore operations. It is mainly used to take in seawater and introduce seawater onto the work platform for operations. Seawater is a necessary cooling medium for ships during navigation, construction, safety assurance, and daily life. The seawater lifting tower usually acts on self-elevating platforms / ships. When the hull leaves the sea, the seawater is lifted to the deck seawater main through the seawater lifting tower, providing a large amount of seawater required for the normal operation of the platform / ship after leaving the sea.

[0003] In the seawater lifting device, the pipe needs to be inserted into the seawater, but the salt content of seawater is relatively high, so it is easy to corrode the metal pumping pipe. This means that the pumping pipe cannot be placed in seawater for a long time, otherwise its bottom will easily be corroded and damaged, resulting in the need for staff to frequently replace the pumping pipe, which is inconvenient and also affects the efficiency of the seawater lifting operation. Utility Model Content

[0004] The utility model provides a hull-mounted seawater lifting device, which aims to solve the problem that a water pumping pipe cannot be placed in seawater for a long time, otherwise its bottom end is easily corroded and damaged, resulting in the need for workers to frequently replace the water pumping pipe, which is inconvenient and also affects the efficiency of the seawater lifting operation.

[0005] The utility model is implemented as follows: a hull-mounted seawater lifting device comprises a device box, a top hole is vertically penetrated at the top of the device box, an upper fixed pipe is vertically connected to the top of the device box and located at the top hole, a top pipe is vertically fixedly connected to the inside of the upper fixed pipe, a middle hose is connected to the bottom end of the top pipe and located at the inside of the device box, a bottom hole is vertically penetrated at the bottom end of the device box, a bottom pipe is vertically connected to the bottom end of the device box and located at the bottom hole, and a movable pipe is vertically slidably connected to the inside of the bottom pipe;

[0006] The top and bottom ends of the left side of the device box are respectively connected to the first guide roller and the second guide roller for transverse rotation, and the middle part of the front surface of the device box is provided with a sliding groove arranged along its width direction, and the inside of the sliding groove is connected to a sliding block for transverse sliding, and the inner end surface of the sliding block is transversely fixedly connected to the third guide roller, and the other end of the intermediate hose sequentially bypasses the outer surfaces of the first guide roller, the third guide roller and the second guide roller and is connected to the top end of the movable tube.

[0007] Preferably, first fixed blocks are fixedly connected at both ends of the front surface of the device box and located above the sliding groove, a horizontal axis is transversely fixedly connected between the two first fixed blocks, an outer surface of the horizontal axis is slidably connected with a linkage block along its length direction, and a spring is transversely fixedly connected between the linkage block and the first fixed block on the left.

[0008] Preferably, when the spring is not stressed, the third guide roller is located at the rightmost side inside the device box.

[0009] Preferably, a guide groove is transversely penetrated through the outer surface of the bottom tube and arranged along its length direction, and a movable block fixedly connected to the outer surface of the movable tube is vertically slidably connected inside the guide groove.

[0010] Preferably, the top and bottom ends of the outer surface of the bottom tube are fixedly connected with second fixing blocks, a threaded rod is vertically rotatably connected between the two second fixing blocks, a threaded sleeve is threadedly connected to the outer surface of the threaded rod, the threaded sleeve and the second fixing block are fixedly connected, and a servo motor is fixedly connected to the top of the second fixing block at the top end, and the output shaft of the servo motor can rotatably pass through the second fixing block and is fixedly connected to the top of the threaded rod.

[0011] Preferably, the top end of the top pipe is connected to a connecting pipe, a plurality of fixing plates are fixedly connected to the rear end of the outer surface of the device box, and a plurality of fixing holes are transversely penetrated through the front side surfaces of the plurality of fixing plates.

[0012] Beneficial Effects

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is an outboard seawater lifting device mounted on the hull side, the outboard seawater lifting device is provided with a guide groove and a movable block, the bottom end of the device box of the device is connected to a bottom pipe, the interior of the bottom pipe is vertically slidably connected to a movable pipe, when seawater lifting is required, the threaded rod of the device is controlled to rotate to drive the movable block to move up and down through the movement of the threaded sleeve, thereby driving the movable pipe to move downward so that it enters the seawater, and then the extraction pump can be started to extract seawater, and after the extraction is completed, the threaded rod can be reversed to drive the movable pipe back to the interior of the bottom pipe, so that the movable pipe will not be placed in the water for a long time and will not be corroded, thereby improving the service life of the device, and there is no need to replace it frequently, thereby improving the work efficiency of the seawater lifting operation in disguise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the external structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom pipe structure of the utility model.

[0017] In the figure: 1-device box, 2-top hole, 3-top pipe, 4-first guide roller, 5-second guide roller, 6-sliding groove, 7-sliding block, 8-third guide roller, 9-middle hose, 10-connecting pipe, 11-bottom hole, 12-bottom pipe, 13-movable pipe, 14-first fixed block, 15-transverse axis, 16-linkage block, 17-spring, 18-fixed sheet, 19-fixed hole, 20-guide groove, 21-movable block, 22-second fixed block, 23-threaded rod, 24-threaded sleeve, 25-servo motor. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a hull external hanging type seawater lifting device, comprising a device box 1, a top hole 2 is vertically penetrated at the top of the device box 1, an upper fixed pipe is vertically connected to the top of the device box 1 and located at the top hole 2, a top pipe 3 is vertically fixedly connected inside the upper fixed pipe, a middle hose 9 is connected to the bottom end of the top pipe 3 and located inside the device box 1, a bottom hole 11 is vertically penetrated at the bottom end of the device box 1, a bottom pipe 12 is vertically connected to the bottom end of the device box 1 and located at the bottom hole 11, and a movable pipe 13 is vertically slidably connected inside the bottom pipe 12;

[0020] The top and bottom ends of the left side inside the device box 1 are respectively connected to the first guide roller 4 and the second guide roller 5 for transverse rotation. The middle part of the front surface of the device box 1 is provided with a sliding groove 6 arranged along its width direction. The inside of the sliding groove 6 is connected to a sliding block 7 for transverse sliding. The inner end surface of the sliding block 7 is transversely fixedly connected to the third guide roller 8. The other end of the intermediate hose 9 successively bypasses the outer surfaces of the first guide roller 4, the third guide roller 8 and the second guide roller 5 and is connected to the top of the movable tube 13.

[0021] A guide groove 20 is formed transversely through the outer surface of the bottom tube 12 and arranged along the length direction thereof. A movable block 21 fixedly connected to the outer surface of the movable tube 13 is vertically slidably connected inside the guide groove 20 .

[0022] The top and bottom ends of the outer surface of the bottom tube 12 are fixedly connected with second fixed blocks 22, a threaded rod 23 is vertically rotatably connected between the two second fixed blocks 22, a threaded sleeve 24 is threadedly connected to the outer surface of the threaded rod 23, the threaded sleeve 24 is fixedly connected with the second fixed block 22, and a servo motor 25 is fixedly connected to the top of the second fixed block 22 at the top, and the output shaft of the servo motor 25 rotatably passes through the second fixed block 22 and is fixedly connected to the top of the threaded rod 23.

[0023] In the present embodiment, the hull-mounted seawater lifting device is provided with a guide groove 20 and a movable block 21. The bottom end of the device box 1 is connected to a bottom pipe 12, and the bottom pipe 12 is vertically slidably connected to the inside of the movable pipe 13. When seawater lifting is required, the threaded rod 23 of the device is controlled to rotate, and the movable block 21 can be driven to move up and down through the movement of the threaded sleeve 24, thereby driving the movable pipe 13 to move downward so that it enters the seawater. Then the extraction pump can be started to extract seawater, and after the extraction is completed, the threaded rod 23 can be reversed to drive the movable pipe 13 back to the inside of the bottom pipe 12. In this way, the movable pipe 13 will not be placed in the water for a long time and will not be corroded, thereby improving the service life of the device and not needing to be replaced frequently, thereby improving the work efficiency of the seawater lifting operation in disguise.

[0024] The movable pipe 13, the intermediate hose 9 and the fixed pipe in the device are connected, and seawater can enter the ship through the three.

[0025] After the servo motor 25 is started, its output shaft rotates, and the threaded rod 23 at the bottom end of the output shaft rotates synchronously. When the threaded rod 23 rotates, the threaded sleeve 24 on its surface moves along its length direction, thereby driving the movable block 21 to move.

[0026] Furthermore, first fixed blocks 14 are fixedly connected at both ends of the front surface of the device box 1 and located above the sliding groove 6, a horizontal axis 15 is transversely fixedly connected between the two first fixed blocks 14, and a linkage block 16 is slidably connected to the outer surface of the transverse axis 15 along its length direction, and a spring 17 is transversely fixedly connected between the linkage block 16 and the first fixed block 14 on the left.

[0027] When the spring 17 is not stressed, the third guide roller 8 is located at the rightmost side inside the device box 1 .

[0028] In this embodiment, when the movable tube 13 is retracted into the bottom tube 12, the spring 17 is not subjected to force, and the third guide roller 8 will be located on the right side of the device box 1. At this time, the intermediate hose 9 is placed in a W shape inside the device box 1, and when the movable tube 13 moves downward, the right side of the intermediate hose 9 will move toward the middle part of the device box 1, and the third guide roller 8 will be driven to move to the left. At this time, the spring 17 is under pressure, and when the movable tube 13 is retracted into the movable tube 13 again, the intermediate hose 9 will be supported by the spring 17 to ensure that the intermediate hose 9 will not be stuck inside the device box 1, thereby ensuring the smooth operation of the device.

[0029] Furthermore, the top end of the top pipe 3 is connected to a connecting pipe 10 , and a plurality of fixing plates 18 are fixedly connected to the rear end of the outer surface of the device box 1 , and a plurality of fixing holes 19 are transversely formed on the front side surfaces of the plurality of fixing plates 18 .

[0030] In this embodiment, the other end of the connecting pipe 10 is connected to an extraction pump or other extraction equipment to extract seawater. The fixing plate 18 and the fixing hole 19 are used to fix the device to the outer surface of the ship.

[0031] Working principle and use process of the utility model: after the utility model is installed, the hull-mounted seawater lifting device is connected to a bottom pipe 12 at the bottom end of the device box 1 by setting a guide groove 20 and a movable block 21, and the bottom pipe 12 is vertically slidably connected to the inside of the movable pipe 13. When seawater lifting is needed, the threaded rod 23 of the device is controlled to rotate to drive the movable block 21 to move up and down through the movement of the threaded sleeve 24, thereby driving the movable pipe 13 to move downward so that it enters the seawater, and then the extraction pump can be started to extract seawater, and after the extraction is completed, the threaded rod 23 is reversed to drive the movable pipe 13 back to the inside of the bottom pipe 12, so that the movable pipe 13 will not be placed in the water for a long time and will not be corroded, thereby improving the service life of the device and not needing to be replaced frequently, thereby improving the work efficiency of the seawater lifting operation in disguise.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hull-mounted seawater lifting device, characterized in that: The device box comprises a device box (1), wherein a top hole (2) is vertically penetrated at the top of the device box (1), an upper fixed pipe is vertically connected to the top of the device box (1) and located at the top hole (2), a top pipe (3) is vertically fixedly connected to the interior of the upper fixed pipe, an intermediate hose (9) is connected to the bottom of the top pipe (3) and located at the interior of the device box (1), a bottom hole (11) is vertically penetrated at the bottom of the device box (1), a bottom pipe (12) is vertically connected to the bottom of the device box (1) and located at the bottom hole (11), and a movable pipe (13) is vertically slidably connected to the interior of the bottom pipe (12); The top and bottom ends of the left side of the device box (1) are respectively connected to the first guide roller (4) and the second guide roller (5) in a transversely rotatable manner. The middle part of the front surface of the device box (1) is provided with a sliding groove (6) arranged along its width direction. The inside of the sliding groove (6) is connected to a sliding block (7) in a transversely slidable manner. The inner end surface of the sliding block (7) is fixedly connected to the third guide roller (8) in a transversely fixed manner. The other end of the intermediate hose (9) successively bypasses the outer surfaces of the first guide roller (4), the third guide roller (8) and the second guide roller (5) and is connected to the top end of the movable tube (13).

2. The hull-mounted seawater lifting device according to claim 1, characterized in that: First fixed blocks (14) are fixedly connected at both ends of the front surface of the device box (1) and located above the sliding groove (6); a transverse axis (15) is transversely fixedly connected between the two first fixed blocks (14); a linkage block (16) is slidably connected to the outer surface of the transverse axis (15) along its length direction; and a spring (17) is transversely fixedly connected between the linkage block (16) and the first fixed block (14) on the left.

3. The hull-mounted seawater lifting device according to claim 2, characterized in that: When the spring (17) is not stressed, the third guide roller (8) is located at the rightmost side inside the device box (1).

4. The hull-mounted seawater lifting device according to claim 1, characterized in that: The outer surface of the bottom tube (12) is transversely penetrated with a guide groove (20) arranged along its length direction, and the inside of the guide groove (20) is vertically slidably connected to a movable block (21) fixedly connected to the outer surface of the movable tube (13).

5. The hull-mounted seawater lifting device according to claim 4, characterized in that: The top and bottom ends of the outer surface of the bottom tube (12) are both fixedly connected with second fixing blocks (22); a threaded rod (23) is vertically rotatably connected between the two second fixing blocks (22); a threaded sleeve (24) is threadedly connected to the outer surface of the threaded rod (23); the threaded sleeve (24) and the second fixing block (22) are fixedly connected; a servo motor (25) is fixedly connected to the top of the second fixing block (22); an output shaft of the servo motor (25) rotatably passes through the second fixing block (22) and is fixedly connected to the top of the threaded rod (23).

6. The hull-mounted seawater lifting device according to claim 1, characterized in that: The top end of the top pipe (3) is connected to a connecting pipe (10), the rear end of the outer surface of the device box (1) is fixedly connected to a plurality of fixing plates (18), and the front side surfaces of the plurality of fixing plates (18) are transversely penetrated with a plurality of fixing holes (19).

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