CN219580008U

CN219580008U - Ship ballast water prefilter mechanism

Info

Publication number: CN219580008U
Application number: CN202320320879.2U
Authority: CN
Inventors: 李为民; 朱振兴
Original assignee: Huihui Shipbuilding Technology Nantong Co ltd
Current assignee: Huihui Shipbuilding Technology Nantong Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-08-25
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a ship ballast water prefilter mechanism which comprises a shell, a water inlet pipe, a drain pipe and a filter screen, wherein the water inlet pipe is arranged at one end of the shell, the drain pipe is symmetrically arranged at two ends of the side face of the shell, the filter screen is arranged in the shell, a driving motor is fixedly arranged at the other end of the shell, a gear lack is arranged at one end of the driving motor, which is close to the shell, a rotating shaft is rotatably arranged in the shell, one end of the rotating shaft extends to the outer side of the shell and is fixedly provided with a gear, two bar-shaped rods are symmetrically arranged on the annular side face of the rotating shaft, and scraping rods are slidably arranged at the bottom ends of the bar-shaped rods. According to the utility model, the gear can be driven to rotate through the rotation of the gear lack, so that the scraping rod is driven to move through the filter screen to clean, the triangular block can be extruded through the movement of the scraping rod, the baffle is further pushed to rotate and open, the rotation shaft of the torsion spring II can be rotated reversely, and the filter screen can be cleaned again through the reverse movement of the scraping rod.

Description

Ship ballast water prefilter mechanism

Technical Field

The utility model relates to the technical field of ballast water treatment, in particular to a ship ballast water prefilter mechanism.

Background

The ballast water is seawater, and seawater pumps are arranged on the ship and are used for pumping the seawater into the ballast tank to control trim, heel, draft and stability of the ship, and the seawater is required to be filtered in the process of pumping the seawater into the ballast tank so as to avoid accumulation of sundries in the ballast tank.

Generally use the filter screen to filter the sea water, impurity in the sea water can pile up on the filter screen surface, generally clear up the impurity on filter screen surface through the mode of manual cleaning, but clear up impurity simultaneously inconvenient in sea water filtration process, cause impurity to block up the filter screen easily, and then reduce the filtration efficiency of sea water.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a ship ballast water prefilter mechanism.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a ship ballast water prefilter mechanism, includes shell, inlet tube, blow off pipe and filter screen, the inlet tube is installed to shell one end, the blow off pipe is installed to shell side both ends symmetry, shell internally mounted has the filter screen, shell other end fixed mounting has driving motor, driving motor is close to shell one end and installs the missing gear, the inside rotation of shell is installed the axis of rotation, and axis of rotation one end extends to the shell outside and fixed mounting has the gear, two bar poles of symmetry installation on the axis of rotation annular side, and bar pole bottom slidable mounting has the scraper bar, scraper bar bottom and filter screen top laminating, two bevel blocks of filter screen top symmetry installation, the inside rotation of blow off pipe is installed the baffle, and two triangular blocks of baffle top symmetry fixed mounting.

Further, the bar groove is formed in the bottom end of the bar rod, the scraping rod is slidably mounted in the bar groove, two bar grooves are symmetrically formed in the bar groove, and the guide rod is fixedly mounted in the bar groove.

Furthermore, square blocks are symmetrically and fixedly arranged at two ends of the scraping rod, the square blocks are slidably arranged on the guide rod, springs are arranged on the outer side of the guide rod, and two ends of each spring are respectively and fixedly arranged at the top ends of the square blocks and the top ends of the inner parts of the strip-shaped grooves.

Further, two fixed blocks are symmetrically and fixedly installed at two ends of the side face of the shell, a fixed pin is fixedly installed between the two fixed blocks, a rotating block is rotatably installed on the outer side of the fixed pin, and the top end of the rotating block is fixedly installed at the bottom end of the baffle.

Further, a first torsion spring is fixedly arranged on the annular side face of the fixing pin, and the outer side of the first torsion spring is fixedly arranged inside the rotating block.

Further, a torsion spring II is fixedly arranged on the annular side face of the rotating shaft, a cylinder barrel is fixedly arranged at one end, close to the gear, of the shell, and the outer side of the torsion spring is fixedly arranged inside the cylinder barrel.

Further, the water inlet pipe top end is fixedly provided with a hollow plate, the top end of the hollow plate is provided with an electric push rod, the hollow plate is internally provided with a water interception plate, and the bottom end of the electric push rod extends into the hollow plate and is fixedly arranged at the top end of the water interception plate.

Further, the shell is close to driving motor one end fixed mounting has the backup pad, driving motor installs on the backup pad top.

The beneficial effects of the utility model are as follows:

1. the gear is driven to rotate through the gear lack, and then the scraper bar is driven to move through the filter screen to clean, the driving motor works to drive the gear lack to rotate, and because the gear lack is meshed with the gear, the gear lack rotates to drive the gear to rotate, the gear rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the bar to move, impurities on the surface of the filter screen move to push and clean, and then the impurities enter the inside of the sewage drain pipe through the inclined plane block.

2. The triangular block is extruded through the movement of the scraping rod, the baffle is pushed to rotate and open, the triangular block is extruded after the scraping rod moves to the inside of the sewage disposal groove, the triangular block moves downwards to drive the baffle to rotate and open, the baffle rotates in-process to drive the rotating block to rotate around the fixing pin, and the baffle rotates and opens and then the impurity is discharged conveniently.

3. Through the rotation axis of rotation reverse rotation of being convenient for of torsional spring two, and then be convenient for scrape the pole reverse movement and clear up the filter screen once more, when the lack gear does not mesh with the gear, under the effect of torsional spring two torsion, rotation axis reverse rotation drives bar pole and scrape the pole reverse movement and scrape the clearance again to the filter screen, with the impurity on the filter screen through another blow off pipe discharge.

Drawings

Fig. 1 is a schematic perspective view of a ship ballast water prefilter mechanism according to the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a pre-filtering mechanism for ship ballast water according to the present utility model;

fig. 3 is a schematic diagram of a partial enlarged structure of a position a of a ship ballast water prefilter mechanism according to the present utility model;

fig. 4 is a schematic diagram of a part B enlarged structure of a ship ballast water prefilter mechanism according to the present utility model;

fig. 5 is a schematic sectional view of a water inlet pipe of a ship ballast water prefilter mechanism according to the present utility model.

In the figure: 1. a housing; 2. a water inlet pipe; 3. a blow-down pipe; 4. a filter screen; 5. a driving motor; 6. a gear-missing; 7. a gear; 8. a rotating shaft; 9. a bar; 10. a scraping rod; 11. a bevel block; 12. a square block; 13. a guide rod; 14. a spring; 15. a baffle; 16. triangular blocks; 17. a fixed block; 18. a rotating block; 19. a fixing pin; 20. a torsion spring I; 21. an electric push rod; 22. a water interception plate; 23. and a torsion spring II.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-5, a pre-filtering mechanism for ship ballast water comprises a housing 1, a water inlet pipe 2, a drain pipe 3 and a filter screen 4, wherein the water inlet pipe 2 is installed at one end of the housing 1, the design of the water inlet pipe 2 is convenient for guiding seawater into the housing 1, the drain pipe 3 is symmetrically installed at two ends of the side surface of the housing 1, the design of the drain pipe 3 is convenient for discharging impurities on the filter screen 4, the filter screen 4 is installed in the housing 1, the design of the filter screen 4 is convenient for filtering impurities in the seawater, a driving motor 5 is installed at the other end of the housing 1, a gear lack 6 is installed at one end of the driving motor 5 close to the housing 1 through key connection, a rotating shaft 8 is installed in the housing 1 in a rotating way, one end of the rotating shaft 8 extends to the outer side of the housing 1 and is provided with a gear 7 through key connection, the gear 7 is meshed with the gear lack 6, the driving motor 5 works to drive the gear lack 6 to rotate, further driving the gear 7 and the rotating shaft 8 to rotate, symmetrically installing two bar-shaped rods 9 on the annular side surface of the rotating shaft 8, sliding the bottom ends of the bar-shaped rods 9 with scraping rods 10, driving the scraping rods 10 to move through the bar-shaped rods 9 by the rotating shaft 8, cleaning impurities on the surface of the filter screen 4 by the movement of the scraping rods 10, attaching the bottom ends of the scraping rods 10 to the top ends of the filter screen 4, symmetrically installing two inclined plane blocks 11 on the top ends of the filter screen 4, designing the inclined plane blocks 11 to facilitate scraping the impurities into the drain pipe 3, arranging a drain tank at the bottom end of the drain pipe 3, rotatably installing a baffle 15 in the drain tank, conveniently discharging the impurities out of the shell 1, plugging the drain tank by the design of the baffle 15, avoiding external impurities from entering the inside of the shell 1, symmetrically welding two triangular blocks 16 on the top ends of the baffle 15, the triangular block 16 is designed to facilitate the pushing of the baffle 15 to open during the movement of the scraping wings 10.

In the utility model, it should be noted that, the bottom end of the bar 9 is processed with a bar groove, the bar groove is internally slidably provided with the scraping rod 10, the design of the bar groove is convenient for the sliding installation of the scraping rod 10, and then the bottom end of the scraping rod 10 is convenient for being attached to the filter screen 4 and the inclined surface block 11, and further impurities on the filter screen 4 are conveniently pushed into the sewage drain 3, two bar grooves are symmetrically processed in the bar groove, a guide rod 13 is welded in the bar groove, square blocks 12 are symmetrically welded at two ends of the scraping rod 10, the square blocks 12 are slidably installed on the guide rod 13, the guide rod 13 and the sliding block are designed to facilitate the sliding installation of the scraping rod 10 in the bar 9, a spring 14 is assembled at the outer side of the guide rod 13, two ends of the spring 14 are respectively welded at the top end of the square blocks 12 and the top end of the bar groove, the initial position of the spring 14 is in a compressed state, the design of the spring 14 is convenient for the movement of the scraping rod 10 to be attached to the filter screen 4 and the inclined surface block 11, two fixing blocks 17 are symmetrically welded at the two side surfaces of the shell 1, a fixing pin 19 is welded between the two fixing blocks 17, a rotating block 18 is rotatably installed at the outer side of the fixing pin 19, the rotating block 18 is conveniently installed at the top end of the rotating block 18, the rotating block 18 is rotatably installed at the rotating bottom end of the rotating block 18 is conveniently, and a rotating baffle 20 is rotatably installed at the outer side surface 20 through the rotating block 20, and a rotating baffle 20 is conveniently rotatably arranged at the side of the rotating baffle 20.

In particular, the torsional spring II 23 is welded on the annular side of the rotating shaft 8, the cylindrical barrel is welded at one end of the shell 1 close to the gear 7, the outer side of the torsional spring II 23 is welded inside the cylindrical barrel, the initial state of the torsional spring II 23 is in a compressed state, the design of the torsional spring II 23 is convenient for the rotating shaft 8 to rotate and reset, the top end of the water inlet pipe 2 is welded with a hollow plate, the top end of the hollow plate is provided with an electric push rod 21, the inner part of the hollow plate is provided with a water interception plate 22, the bottom end of the electric push rod 21 extends into the hollow plate and is arranged at the top end of the water interception plate 22, the electric push rod 21 is designed to facilitate pushing the water interception plate 22 to move, further the flow rate of seawater entering the shell 1 is conveniently regulated, excessive seawater entering the shell 1 is prevented from flowing out of the sewage drain 3, the shell 1 is close to one end of the driving motor 5 through bolts, the driving motor 5 is arranged at the top end of the supporting plate, and the driving motor 5 is convenient for the installation of the driving motor 5.

Working principle: when the filter screen 4 needs to be cleaned, the driving motor 5 is started, the driving motor 5 works to drive the gear lack 6 to rotate, because the gear lack 6 is meshed with the gear 7, the gear lack 6 rotates to drive the gear 7 to rotate, the gear 7 rotates to drive the rotating shaft 8 to rotate, the rotating shaft 8 rotates to drive the bar rod 9 to move, the bar rod 9 moves impurities on the surface of the filter screen 4 to push and clean, and then the impurities enter the drain pipe 3 through the inclined plane block 11, under the action of the elastic force of the spring 14, the bottom end of the scraping rod 10 is always attached to the filter screen 4 and the inclined plane block 11, and then the scraping rod 10 is convenient to push the impurities along the inclined plane block 11, then the scraping rod 10 moves to the inside of the drain groove to extrude the triangular block 16, the triangular block 16 moves downwards to drive the baffle 15 to rotate to open, the rotating block 18 is driven to rotate around the fixed pin 19, and extrude the torsion spring one 20, the torsion one 20 is enabled to generate torsion, the baffle 15 rotates to open and then be convenient for discharging the impurities, the torsion spring two 23 is extruded in the rotating process, the torsion spring two 23 is enabled to generate torsion when the scraping rod 6 does not mesh with the gear 7, the torsion 7 moves the second torsion bar 7, the opposite to the rotation 3 is driven by the action of the torsion bar 9 to reversely rotate the rotation of the filter screen 4, and the drain impurities is reversely cleaned by the rotation 3.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components.

Claims

1. The utility model provides a ship ballast water prefilter mechanism, includes shell (1), inlet tube (2), blow off pipe (3) and filter screen (4), inlet tube (2) are installed to shell (1) one end, two bar (9) are installed to shell (1) side both ends symmetry, shell (1) internally mounted has filter screen (4), a serial communication port, shell (1) other end fixed mounting has driving motor (5), driving motor (5) are close to shell (1) one end and install lack gear (6), shell (1) internally mounted rotation has axis of rotation (8), and axis of rotation (8) one end extends to shell (1) outside and fixed mounting have gear (7), two bar (9) are installed to axis of rotation (8) annular side on symmetry, and bar (9) bottom slidable mounting has bar (10), bar (10) bottom and filter screen (4) top laminating, two bevel blocks (11) are installed to filter screen (4) top symmetry, blow off pipe (3) internally rotation installs baffle (15), and two fixed mounting triangle baffle (16) top.

2. The ship ballast water prefilter mechanism of claim 1, wherein a bar-shaped groove is formed in the bottom end of the bar-shaped rod (9), a scraping rod (10) is slidably mounted in the bar-shaped groove, two bar-shaped grooves are symmetrically formed in the bar-shaped groove, and a guide rod (13) is fixedly mounted in the bar-shaped groove.

3. The ship ballast water prefilter mechanism of claim 2, wherein square blocks (12) are symmetrically and fixedly arranged at two ends of the scraping rod (10), the square blocks (12) are slidably arranged on the guide rods (13), springs (14) are arranged on the outer sides of the guide rods (13), and two ends of each spring (14) are fixedly arranged at the top ends of the square blocks (12) and the top ends of the inner parts of the strip-shaped grooves respectively.

4. The ship ballast water prefilter mechanism of claim 1, wherein two fixing blocks (17) are symmetrically and fixedly installed at two ends of the side face of the housing (1), a fixing pin (19) is fixedly installed between the two fixing blocks (17), a rotating block (18) is rotatably installed outside the fixing pin (19), and the top end of the rotating block (18) is fixedly installed at the bottom end of the baffle plate (15).

5. The ship ballast water prefilter mechanism of claim 4, wherein the first torsion spring (20) is fixedly installed on the annular side surface of the fixing pin (19), and the outer side of the first torsion spring (20) is fixedly installed inside the rotating block (18).

6. The ship ballast water prefilter mechanism of claim 1, wherein a torsion spring two (23) is fixedly installed on the annular side surface of the rotating shaft (8), a cylinder is fixedly installed at one end of the housing (1) close to the gear (7), and the outer side of the torsion spring two (23) is fixedly installed inside the cylinder.

7. The ship ballast water prefilter mechanism of claim 1, wherein a hollow plate is fixedly mounted at the top end of the water inlet pipe (2), an electric push rod (21) is mounted at the top end of the hollow plate, a water interception plate (22) is mounted in the hollow plate, and the bottom end of the electric push rod (21) extends into the hollow plate and is fixedly mounted at the top end of the water interception plate (22).

8. The ship ballast water prefilter mechanism of claim 1, wherein a support plate is fixedly mounted at one end of the housing (1) close to the driving motor (5), and the driving motor (5) is mounted at the top end of the support plate.