CN216332581U

CN216332581U - Liquid level control device for water storage tank of ship

Info

Publication number: CN216332581U
Application number: CN202122784418.4U
Authority: CN
Inventors: 王一晴; 刘国红; 曲元涛
Original assignee: Shandong Shengda Ship Supporting Co ltd
Current assignee: Shandong Shengda Ship Supporting Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-19
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of ship water storage tanks, in particular to a liquid level control device of a ship water storage tank, which comprises a cabin, wherein a box body is rotatably connected inside the cabin through a rotating shaft, a box cover is fixedly connected to the top end of the box body through screws, a motor is installed at the middle position of the top end of the box cover, a fixed plate is arranged at the bottom end inside the box body in a sliding manner, a square tube is fixedly connected to the middle position of the fixed plate, a pressing plate is arranged outside the square tube in a sliding manner, a sealing sleeve is sleeved outside the pressing plate and is in sliding fit with the box body, liquid level sensors are embedded and installed on the left side of the bottom end of the pressing plate and the right side of the bottom end of the pressing plate, the top end of the pressing plate is connected with the bottom end of the fixed plate through a plurality of telescopic rods, a compression spring is sleeved outside each telescopic rod, a fixed column is fixedly connected to the bottom end of the box body, and a square groove is arranged at the top end of the fixed column; the water replenishing pump can limit the space inside the box body, can reduce the frequency of water shaking inside the box body, avoids frequent opening of the water replenishing pump, and prolongs the service life of the water replenishing pump.

Description

Liquid level control device for water storage tank of ship

Technical Field

The utility model relates to the technical field of ship water storage tanks, in particular to a liquid level control device of a ship water storage tank.

Background

On a civil ship using a steam turbine power device as a driving force, a cooler is a main device for cooling steam on the ship, the steam expands in a steam turbine to do work and then is discharged into the cooler, the steam is cooled by outboard water and condensed into water, the condensed water flows into a water storage tank below the cooler, the water in the water storage tank is extracted by a centrifugal pump and is conveyed to a boiler to be heated to form steam, a closed cycle is formed, cavitation can occur in the inside of the centrifugal pump under the condition that the ship swings, and in order to prevent cavitation from occurring due to the liquid level of the water storage tank shaking of the centrifugal pump under the condition that the ship swings, a method for inhibiting the liquid level shaking of the water storage tank under the condition that the centrifugal pump swings needs to be adopted.

The traditional liquid level control method mostly adopts a floating ball control valve switch to replenish liquid to a water storage tank, the water surface inside the water storage tank can rock along with the water storage tank in the rocking process, so that the floating ball and the rocking trigger control valve switch, the control valve is frequently opened, and the service lives of the control valve and a water replenishing pump are shortened.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a liquid level control device of a water storage tank of a ship, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a liquid level control device of a water storage tank of a ship comprises a cabin, wherein the cabin is rotatably connected with a box body through a rotating shaft, the top end of the box body is fixedly connected with a box cover through screws, a motor is installed at the middle position of the top end of the box cover, a fixed plate is slidably arranged at the bottom end inside the box body, a square tube is fixedly connected with the middle position of the fixed plate, a pressing plate is slidably arranged outside the square tube, a sealing sleeve is sleeved outside the pressing plate and is in sliding fit with the box body, liquid level sensors are embedded and installed on the left side of the bottom end and the right side of the bottom end of the pressing plate, the top end of the pressing plate is connected with the bottom end of the fixed plate through a plurality of telescopic rods, a compression spring is sleeved outside each telescopic rod, a fixed column is fixedly connected with the bottom end of the box body, a square groove is arranged at the top end of the fixed column, the square tube is in sliding fit with the square groove, a screw rod is connected with the inner threads of the square tube in a rotating manner, and the bottom end of the square groove is rotatably connected with the bottom end of the square groove, the top of screw rod is connected with the output of motor through the shaft coupling, and pressure sensor is installed on the top of side's pipe, and the bottom fixedly connected with distance sensor of case lid.

In order to facilitate gas exchange between the inside and the outside of the box body, a first vent pipe is fixedly connected to the pressing plate, the top end of the first vent pipe extends to the upper side of the fixing plate, the first vent pipe is in sliding fit with the fixing plate, a second vent pipe is installed on the box cover, and the second vent pipe is communicated with the first vent pipe through a first telescopic pipe.

In order to facilitate water supplement to the inside of the box body, a first water supplementing pipe is connected to the pressing plate, the top end of the first water supplementing pipe extends to the upper side of the fixing plate, the first water supplementing pipe is in sliding fit with the fixing plate, a second water supplementing pipe is fixedly connected to the fixing plate, and the second water supplementing pipe is communicated with the first water supplementing pipe through a second telescopic pipe.

For the stability that improves the box, all be provided with the arc wall on the left inside wall of cabin and the right inside wall, the arc center of arc wall is located the axis of pivot, two spacing posts of the equal fixedly connected with of left end and the right-hand member of box, four spacing posts respectively with four arc wall sliding fit.

Four be convenient for carry out the shock attenuation spacing to the box the equal fixedly connected with damping spring in arc wall top and bottom, the equal fixedly connected with stopper of one end that the arc wall lateral wall was kept away from to each damping spring, each stopper respectively with each arc wall sliding fit.

For improving the leakproofness of being connected between case lid and the box, the bottom fixedly connected with of case lid is sealed to fill up, and the bottom that fills up contacts with the top of box.

Compared with the prior art, the utility model provides a liquid level control device of a ship water storage tank, which has the following beneficial effects:

1. this boats and ships storage water tank liquid level control device drives the screw rod through the motor and rotates, and the screw rod rotates and makes side pipe, fixed plate and clamp plate downstream, makes the bottom of clamp plate all the time with the contact of the surface of water, avoids leaving the space between water and the clamp plate, rotates through box and cabin simultaneously and is connected, can slow down the frequency that the box rocked along with the cabin to can reduce the frequency that the inside water of box rocked.

2. This boats and ships storage water tank liquid level control device, when reducing along with the inside water yield of box, when the bottom and the pressure sensor contact of clamp plate, give the master controller on boats and ships through pressure sensor with pressure signal transmission, carry out the moisturizing through the inside of master controller control outside moisturizing pump to the box, avoided the moisturizing pump frequently to open, prolonged the life of moisturizing pump.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the inner side wall of the cabin of the present invention;

fig. 4 is a schematic view of the enlarged structure of a portion a in fig. 1 according to the present invention.

The symbols in the drawings illustrate that:

1. a cabin; 2. a rotating shaft; 3. a box body; 4. a box cover; 5. a motor; 6. a fixing plate; 7. a square tube; 8. pressing a plate; 9. sealing sleeves; 10. a liquid level sensor; 11. a telescopic rod; 12. a compression spring; 13. fixing a column; 14. a screw; 15. a pressure sensor; 16. a distance sensor; 17. a first vent pipe; 18. a second vent pipe; 19. a first telescopic tube; 20. a first water replenishing pipe; 21. a second water replenishing pipe; 22. a second telescopic tube; 23. a limiting column; 24. a damping spring; 25. a limiting block; 26. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-4, a liquid level control device for a water storage tank of a ship comprises a cabin 1, wherein the cabin 1 is rotatably connected with a box 3 through a rotating shaft 2, the top end of the box 3 is fixedly connected with a box cover 4 through screws, the bottom end of the box cover 4 is fixedly connected with a sealing gasket 26, the bottom end of the sealing gasket 26 is in contact with the top end of the box 3, the sealing property of the connection between the box cover 4 and the box 3 is improved, a motor 5 is arranged at the middle position of the top end of the box cover 4, a fixing plate 6 is slidably arranged at the bottom end of the interior of the box 3, a square tube 7 is fixedly connected at the middle position of the fixing plate 6, a pressing plate 8 is slidably arranged outside the square tube 7, a sealing sleeve 9 is sleeved outside the pressing plate 8, the sealing sleeve 9 is in sliding fit with the box 3, liquid level sensors 10 are embedded and arranged at the left side and the right side of the bottom end of the pressing plate 8, and the top end of the pressing plate 8 is connected with the bottom end of the fixing plate 6 through a plurality of telescopic rods 11, the outside of each telescopic rod 11 is sleeved with a compression spring 12, the impact force of water inside the water tank on the pressing plate 8 can be relieved through the compression springs 12, the water shaking frequency is reduced, a first vent pipe 17 is fixedly connected to the pressing plate 8, the top end of the first vent pipe 17 extends to the upper side of the fixing plate 6, the first vent pipe 17 is in sliding fit with the fixing plate 6, a second vent pipe 18 is installed on the box cover 4, the second vent pipe 18 is communicated with the first vent pipe 17 through a first telescopic pipe 19, so that gas exchange between the inside and the outside of the box body 3 is facilitated, a first water replenishing pipe 20 is connected to the pressing plate 8, the top end of the first water replenishing pipe 20 extends to the upper side of the fixing plate 6, the first water replenishing pipe 20 is in sliding fit with the fixing plate 6, a second water replenishing pipe 21 is fixedly connected to the fixing plate 6, the second water replenishing pipe 21 is communicated with the first water replenishing pipe 20 through a second telescopic pipe 22, and is connected with an external water replenishing pump through the second water replenishing pipe 21, the water replenishing to the interior of the box body 3 is convenient, the bottom end of the box body 3 is fixedly connected with a fixing column 13, the top end of the fixing column 13 is provided with a square groove, the square tube 7 is in sliding fit with the square groove, the internal thread of the square tube 7 is connected with a screw rod 14, the bottom end of the screw rod 14 is rotatably connected with the bottom end of the square groove, the top end of the screw rod 14 is connected with the output end of a motor 5 through a coupler, the screw rod 14 is driven to rotate through the motor 5, the screw rod 14 rotates to enable the square tube 7, a fixing plate 6 and a pressing plate 8 to move downwards, the bottom end of the pressing plate 8 is always in contact with the water surface, a space is prevented from being left between water and the pressing plate 8, meanwhile, the box body 3 is rotatably connected with the cabin 1, the frequency of the box body 3 swinging along with the cabin 1 can be reduced, the space in the box body 3 can be limited, the frequency of the water swinging in the box body 3 can be reduced, a pressure sensor 15 is installed at the top end of the square tube 7, when the bottom of clamp plate 8 and pressure sensor 15 contact, give the master controller on the boats and ships with pressure signal transmission through pressure sensor 15, carry out the moisturizing to the inside of box 3 through the outside moisturizing pump of master controller control, avoided the moisturizing pump frequently to open, prolonged the life of moisturizing pump, the bottom fixedly connected with distance sensor 16 of case lid 4, detect the distance between fixed plate 6 and the case lid 4 through distance sensor 16, be convenient for judge the water yield that has existed in the inside of box 3.

It should also be explained that, all be provided with the arc wall on the left inside wall of cabin 1 and the right inside wall, the arc center of arc wall is located the axis of pivot 2, two spacing posts 23 of the equal fixedly connected with of left end and the right-hand member of box 3, four spacing posts 23 respectively with four arc wall sliding fit, improve the stability of box 3, four arc wall tops and the equal fixedly connected with damping spring 24 in bottom, the equal fixedly connected with stopper 25 of one end that the arc wall lateral wall was kept away from to each damping spring 24, each stopper 25 respectively with each arc wall sliding fit, it is spacing to be convenient for carry out the shock attenuation to box 3, avoid the lateral wall of spacing post 23 and arc wall to bump.

When the water-saving device is used, the screw 14 is driven to rotate by the motor 5, the square pipe 7, the fixed plate 6 and the pressing plate 8 are driven to move downwards by the rotation of the screw 14, the bottom end of the pressing plate 8 is always in contact with the water surface, a space is prevented from being reserved between water and the pressing plate 8, meanwhile, the box 3 is rotationally connected with the cabin 1 by the box 3, the frequency of the box 3 shaking along with the cabin 1 can be reduced, when the water amount in the box 3 is reduced, when the bottom end of the pressing plate 8 is in contact with the pressure sensor 15, a pressure signal is transmitted to the main controller on a ship by the pressure sensor 15, the main controller controls the external water replenishing pump to replenish water to the inside of the box 3, the motor 5 is started simultaneously, the screw 14 is driven to rotate by the motor 5, the square pipe 7, the fixed plate 6 and the pressing plate 8 are driven to move upwards by the rotation of the screw 14, the fixed plate 6 is moved to the uppermost side, when the liquid level in the box 3 reaches the position of the liquid level sensor, the main controller controls the external water replenishing pump to stop working, and water is stopped being replenished into the box body 3.

The motor 5 is a known device which can be directly purchased in the market, and is only used here, and is not improved in structure and function, so that detailed description is omitted, and the motor 5 is provided with a control switch matched with the motor, and the installation position of the control switch is selected according to actual use requirements.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a boats and ships storage water tank liquid level control device, includes cabin (1), its characterized in that: the ship cabin is characterized in that a box body (3) is rotatably connected inside the cabin (1) through a rotating shaft (2), a box cover (4) is fixedly connected to the top end of the box body (3) through screws, a motor (5) is installed at the middle position of the top end of the box cover (4), a fixed plate (6) is arranged at the bottom end inside the box body (3) in a sliding mode, a square tube (7) is fixedly connected to the middle position of the fixed plate (6), a pressing plate (8) is arranged outside the square tube (7) in a sliding mode, a sealing sleeve (9) is sleeved outside the pressing plate (8), the sealing sleeve (9) is in sliding fit with the box body (3), liquid level sensors (10) are embedded into the left side of the bottom end and the right side of the pressing plate (8), the top end of the pressing plate (8) is connected with the bottom end of the fixed plate (6) through a plurality of telescopic rods (11), a compression spring (12) is sleeved outside each telescopic rod (11), and a fixed column (13) is fixedly connected to the bottom end of the box body (3), the top of fixed column (13) is provided with the square groove, and square pipe (7) and square groove sliding fit, the inside threaded connection of square pipe (7) has screw rod (14), and the bottom of screw rod (14) is rotated with the bottom in square groove and is connected, and the top of screw rod (14) is passed through the shaft coupling and is connected with the output of motor (5), and pressure sensor (15) are installed on the top of square pipe (7), and the bottom fixedly connected with distance sensor (16) of case lid (4).

2. The water tank level control device of a ship according to claim 1, characterized in that: the upper end of the pressing plate (8) is fixedly connected with a first vent pipe (17), the top end of the first vent pipe (17) extends to the upper side of the fixing plate (6), the first vent pipe (17) is in sliding fit with the fixing plate (6), a second vent pipe (18) is installed on the box cover (4), and the second vent pipe (18) is communicated with the first vent pipe (17) through a first telescopic pipe (19).

3. The water tank level control device of a ship as claimed in claim 2, characterized in that: be connected with first moisturizing pipe (20) on clamp plate (8), the top of first moisturizing pipe (20) extends to the upside of fixed plate (6), first moisturizing pipe (20) and fixed plate (6) sliding fit, fixedly connected with second moisturizing pipe (21) on fixed plate (6), second moisturizing pipe (21) are through second flexible pipe (22) and first moisturizing pipe (20) intercommunication.

4. The water tank level control device of a ship as claimed in claim 3, characterized in that: all be provided with the arc wall on the left inside wall of cabin (1) and the right inside wall, the arc center of arc wall is located the axis of pivot (2), two spacing posts (23) of the equal fixedly connected with of left end and the right-hand member of box (3), four spacing posts (23) respectively with four arc wall sliding fit.

5. The water tank level control device of a ship according to claim 4, characterized in that: four arc wall top and the equal fixedly connected with damping spring (24) in bottom, the equal fixedly connected with stopper (25) of one end of arc wall lateral wall are kept away from in each damping spring (24), each stopper (25) respectively with each arc wall sliding fit.

6. The water tank level control device of a ship according to claim 5, characterized in that: the bottom end of the box cover (4) is fixedly connected with a sealing gasket (26), and the bottom end of the sealing gasket (26) is in contact with the top end of the box body (3).