Rotary filter screen mechanism of seawater pump

Abstract

The utility model discloses a rotary filter screen mechanism of a sea water pump, which comprises a rotary conveying frame and a filter screen belt sleeved on the surface of the rotary conveying frame, a cleaning structure is arranged at the top of the rotary conveying frame, and the cleaning structure comprises a support frame fixedly connected to the top of the rotary conveying frame. The top of the inner wall of the supporting frame is movably connected with a transmission rod through a bearing, the bottom of the transmission rod is fixedly connected with a rotating wheel, and the bottom of the rotating wheel is fixedly connected with a sliding rod. According to the LNG rotary filter screen cleaning device, the rotating wheel is driven to rotate through the transmission structure, the rotating wheel drives the sliding rod to slide in the sleeve plate, the sleeve plate is extruded and drives the brush to swing in a reciprocating mode through the connecting plate, the brush conducts friction cleaning on the passing filter screen belt, and the impurity adhering amount on the surface of the filter screen belt is reduced. The auxiliary pressure water flushes the impurities into the material receiving groove to flow out, and the situation that the impurities attached to the surface of the LNG rotary filter screen cannot be effectively cleaned through flushing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary filter screens, in particular to a rotary filter screen mechanism of a seawater pump. Background Art

[0002] LNG rotary filter is an important water treatment solid-liquid separation equipment, specially used in water supply systems such as liquefied natural gas (LNG) receiving stations, to intercept and remove suspended dirt and particulate impurities in the water, and remove suspended matter and particulate impurities with smaller diameters in the water supply system of LNG receiving stations, such as aquatic plants, fish, shrimp and other aquatic organisms. It further removes dirt in the water source after the coarse screen to ensure that the water quality meets the requirements of subsequent treatment.

[0003] For example, the application number published on the China Patent Network is: 202321079413.4, and the patent name is: A water intake and drainage device for an LNG receiving station, comprising a sewage collecting box for an LNG receiving station, wherein an impurity drainage plate is obliquely arranged at the bottom of the sewage collecting box for the LNG receiving station, and an anti-blocking water intake and drainage component is arranged on the side of the sewage collecting box for the LNG receiving station for preventing blockage of water intake and drainage, and the sewage collecting box for the LNG receiving station and the anti-blocking water intake and drainage component are connected by a water pumping connecting pipe. The utility model provides an anti-blocking water intake and drainage component on the side of the sewage collecting box for the LNG receiving station, wherein the impurity filter net in the anti-blocking water intake and drainage component can filter impurities in the pumped sewage, thereby ensuring that the sewage discharged from the anti-blocking water intake and drainage component will not cause blockage to the delivery water pipe and the drain outlet, thereby ensuring the normal operation of the water intake and drainage of the LNG receiving station and facilitating the use of users.

[0004] However, the existing cleaning method of LNG rotary filter is relatively simple, which mainly relies on pressurized water to flush the debris into the receiving trough and flow out. The impurities attached to the surface of the LNG rotary filter have high viscosity and cannot be effectively cleaned by flushing.

[0005] Therefore, it is necessary to design and modify the rotating filter mechanism of the seawater pump. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a rotating filter mechanism for a seawater pump, which has the advantage of improving the cleaning effect, and solves the problem that the existing cleaning method of LNG rotary filter is relatively single, mainly relying on pressurized water to flush the debris into the receiving trough and out, and the impurities attached to the surface of the LNG rotary filter have high viscosity and cannot be effectively cleaned by flushing.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotating filter screen mechanism of a seawater pump, comprising a rotating conveying frame;

[0008] A filter belt sleeved on the surface of the rotating conveyor frame;

[0009] A cleaning structure is provided on the top of the rotating conveyor frame;

[0010] The cleaning structure includes a support frame fixedly connected to the top of the rotating conveyor frame, the top of the inner wall of the support frame is movably connected with a transmission rod through a bearing, the bottom of the transmission rod is fixedly connected with a rotating wheel, the bottom of the rotating wheel is fixedly connected with a sliding rod, the surface of the sliding rod is sleeved with a sleeve plate, the bottom of the sleeve plate is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with a brush, the bottom of the brush contacts the surface of the filter belt, and the surface of the support frame is provided with a transmission structure, which can drive the rotating wheel to rotate.

[0011] As a preferred embodiment of the present invention, the transmission structure includes a linkage rod movably connected to the inside of the support frame through a bearing, and both ends of the linkage rod and the surface of the rotating wheel are fixedly connected with first bevel gears, and the first bevel gears are meshed with each other.

[0012] As a preferred embodiment of the present invention, a transmission motor is fixedly connected to the left side of the support frame, and an output end of the transmission motor passes through the rotating conveyor frame and is transmission-connected to the rotating conveyor frame.

[0013] As a preferred embodiment of the utility model, the right side of the support frame is fixedly connected with a vertical plate, the interior of the vertical plate is movably connected with a shaft rod, both ends of the shaft rod and the output end of the transmission motor are fixedly connected with a second bevel gear, and the second bevel gear and the first bevel gear are meshed with each other.

[0014] As a preferred embodiment of the utility model, a guide rod is fixedly connected to the interior of the support frame, and the sleeve plate is sleeved on the surface of the guide rod and is slidably connected to the guide rod.

[0015] As a preferred embodiment of the present invention, a protective cover is fixedly connected to the right side of the support frame, and the second bevel gear and the shaft rod are both located inside the protective cover.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model drives the wheel to rotate through the transmission structure, and the wheel drives the slide bar to slide inside the sleeve plate. The sleeve plate is squeezed and uses the connecting plate to drive the brush to swing back and forth. The brush rubs and cleans the filter belt passing through, reducing the amount of impurities sticking on the surface of the filter belt. The utility model can improve the existing cleaning method of the LNG rotary filter, and auxiliary pressure water flushes the debris into the receiving trough to flow out, avoiding the impurities attached to the surface of the LNG rotary filter that cannot be effectively cleaned by flushing.

[0018] 2. The utility model can drive the rotating wheel to rotate by setting the linkage rod and the first bevel gear, and can limit the rotating wheel.

[0019] 3. The utility model can drive the rotating conveyor frame to rotate by setting a transmission motor, thereby improving the automation effect of the rotating conveyor frame.

[0020] 4. The utility model can utilize the power of the transmission motor to drive the rotating wheel to rotate by providing a vertical plate, a shaft rod and a second bevel gear, thereby saving the operation steps of additionally providing a driving device.

[0021] 5. The utility model can limit the sleeve plate by setting the guide rod, so as to avoid the sleeve plate from tilting during the movement.

[0022] 6. The utility model can improve the safety of the support frame and reduce the contact area between the transmission structure and the external environment by providing a protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a right side structural schematic diagram of the utility model;

[0025] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0026] In the figure: 1. rotating conveyor frame; 2. filter belt; 3. cleaning structure; 4. support frame; 5. transmission rod; 6. rotating wheel; 7. sliding rod; 8. sleeve plate; 9. connecting plate; 10. brush; 11. transmission structure; 12. linkage rod; 13. first bevel gear; 14. transmission motor; 15. vertical plate; 16. shaft rod; 17. second bevel gear; 18. guide rod; 19. protective cover. DETAILED DESCRIPTION

[0027] 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.

[0028] like Figures 1 to 3 As shown, the utility model provides a rotary filter mechanism for a seawater pump, comprising a rotary conveying frame 1;

[0029] A filter belt 2 is sleeved on the surface of the rotating conveyor frame 1;

[0030] A cleaning structure 3 is provided on the top of the rotating conveyor frame 1;

[0031] The cleaning structure 3 includes a support frame 4 fixedly connected to the top of the rotating conveyor frame 1, the top of the inner wall of the support frame 4 is movably connected with a transmission rod 5 through a bearing, the bottom of the transmission rod 5 is fixedly connected with a rotating wheel 6, the bottom of the rotating wheel 6 is fixedly connected with a sliding rod 7, the surface of the sliding rod 7 is sleeved with a sleeve plate 8, the bottom of the sleeve plate 8 is fixedly connected with a connecting plate 9, the bottom of the connecting plate 9 is fixedly connected with a brush 10, the bottom of the brush 10 is in contact with the surface of the filter belt 2, and the surface of the support frame 4 is provided with a transmission structure 11, which can drive the rotating wheel 6 to rotate.

[0032] refer to Figure 3 The transmission structure 11 includes a linkage rod 12 movably connected to the inside of the support frame 4 through a bearing, and both ends of the linkage rod 12 and the surface of the rotating wheel 6 are fixedly connected with first bevel gears 13, and the first bevel gears 13 are meshed with each other.

[0033] As a technical optimization solution of the present invention, by providing the linkage rod 12 and the first bevel gear 13 , the rotating wheel 6 can be driven to rotate, and the rotating wheel 6 can be limited.

[0034] refer to Figure 2 A transmission motor 14 is fixedly connected to the left side of the support frame 4 , and an output end of the transmission motor 14 passes through the rotating conveyor frame 1 and is transmission-connected to the rotating conveyor frame 1 .

[0035] As a technical optimization solution of the present invention, by providing a transmission motor 14, the rotating conveyor frame 1 can be driven to rotate, thereby improving the automation effect of the rotating conveyor frame 1.

[0036] refer to Figure 2 The right side of the support frame 4 is fixedly connected with a vertical plate 15, and the interior of the vertical plate 15 is movably connected with a shaft rod 16. Both ends of the shaft rod 16 and the output end of the transmission motor 14 are fixedly connected with a second bevel gear 17, and the second bevel gear 17 and the first bevel gear 13 are meshed with each other.

[0037] As a technical optimization solution of the utility model, by providing the vertical plate 15, the shaft 16 and the second bevel gear 17, the power of the transmission motor 14 can be used to drive the rotating wheel 6 to rotate, saving the operation steps of additionally providing the driving device.

[0038] refer to Figure 2 A guide rod 18 is fixedly connected to the interior of the support frame 4 , and the sleeve plate 8 is sleeved on the surface of the guide rod 18 and is slidably connected to the guide rod 18 .

[0039] As a technical optimization solution of the present invention, by providing a guide rod 18, the sleeve plate 8 can be limited to avoid the sleeve plate 8 from tilting during the movement.

[0040] refer to Figure 1 A protective cover 19 is fixedly connected to the right side of the support frame 4 , and the second bevel gear 17 and the shaft rod 16 are both located inside the protective cover 19 .

[0041] As a technical optimization solution of the present invention, by providing a protective cover 19, the safety of the support frame 4 can be improved and the contact area between the transmission structure 11 and the external environment can be reduced.

[0042] The working principle and use process of the utility model are as follows: when in use, the liquid passing through is filtered through the filter belt 2. When the filter belt 2 needs to be cleaned, the transmission motor 14 is turned on. The transmission motor 14 drives the rotating conveyor frame 1 to rotate and lifts the filter belt 2 to the top. During the rotation of the transmission motor 14, the transmission motor 14 drives the shaft rod 16 to rotate by the second bevel gear 17. The shaft rod 16 drives the linkage rod 12 to rotate by the second bevel gear 17 and the first bevel gear 13. The linkage rod 12 drives the rotating wheel 6 to rotate. The rotating wheel 6 drives the sliding rod 7 to slide inside the sleeve plate 8. The sleeve plate 8 is squeezed and drives the brush 10 to swing back and forth by the connecting plate 9. The brush 10 rubs and cleans the filter belt 2 passing through to reduce the amount of impurities sticking to the surface of the filter belt 2.

[0043] In summary: the rotating filter mechanism of the seawater pump drives the impeller 6 to rotate through the transmission structure 11, and the impeller 6 drives the slide bar 7 to slide inside the sleeve plate 8. The sleeve plate 8 is squeezed and uses the connecting plate 9 to drive the brush 10 to swing back and forth. The brush 10 rubs and cleans the filter belt 2 passing through, thereby reducing the amount of impurities sticking to the surface of the filter belt 2. The utility model can improve the existing cleaning method of the LNG rotary filter, and assists the pressure water to flush the debris into the receiving trough and flow out, thereby avoiding the impurities attached to the surface of the LNG rotary filter that cannot be effectively cleaned by flushing.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary filter screen mechanism for a seawater pump, comprising a rotary conveying frame (1); A filter belt (2) sleeved on the surface of the rotating conveyor frame (1); Features: A cleaning structure (3) is provided on the top of the rotating conveyor frame (1); The cleaning structure (3) comprises a support frame (4) fixedly connected to the top of the rotating conveying frame (1); the top of the inner wall of the support frame (4) is movably connected to a transmission rod (5) through a bearing; the bottom of the transmission rod (5) is fixedly connected to a rotating wheel (6); the bottom of the rotating wheel (6) is fixedly connected to a sliding rod (7); the surface of the sliding rod (7) is sleeved with a sleeve plate (8); the bottom of the sleeve plate (8) is fixedly connected to a connecting plate (9); the bottom of the connecting plate (9) is fixedly connected to a brush (10); the bottom of the brush (10) contacts the surface of the filter belt (2); the surface of the support frame (4) is provided with a transmission structure (11); the transmission structure (11) can drive the rotating wheel (6) to rotate.

2. The rotary filter mechanism of a seawater pump according to claim 1, characterized in that: The transmission structure (11) comprises a linkage rod (12) movably connected to the inside of the support frame (4) via a bearing, and both ends of the linkage rod (12) and the surface of the rotating wheel (6) are fixedly connected with a first bevel gear (13), and the first bevel gears (13) are meshed with each other.

3. The rotary filter mechanism of a seawater pump according to claim 2, characterized in that: A transmission motor (14) is fixedly connected to the left side of the support frame (4); an output end of the transmission motor (14) passes through the rotating conveying frame (1) and is transmission-connected to the rotating conveying frame (1).

4. The rotary filter mechanism of a seawater pump according to claim 3, characterized in that: The right side of the support frame (4) is fixedly connected to a vertical plate (15), the interior of the vertical plate (15) is movably connected to a shaft rod (16), both ends of the shaft rod (16) and the output end of the transmission motor (14) are fixedly connected to a second bevel gear (17), and the second bevel gear (17) and the first bevel gear (13) are meshed with each other.

5. The rotary filter mechanism of a seawater pump according to claim 1, characterized in that: A guide rod (18) is fixedly connected to the interior of the support frame (4), and the sleeve plate (8) is sleeved on the surface of the guide rod (18) and is slidably connected to the guide rod (18).

6. The rotary filter mechanism of a seawater pump according to claim 4, characterized in that: A protective cover (19) is fixedly connected to the right side of the support frame (4), and the second bevel gear (17) and the shaft rod (16) are both located inside the protective cover (19).

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