Automatic cleaning device for seawater taking grid

Abstract

The invention relates to the technical field of seawater taking grids, in particular to an automatic cleaning device for a seawater taking grid, which comprises a cleaning assembly for cleaning the seawater taking grid and a transmission device driven by taking water flow to enable the cleaning assembly to move along the seawater taking grid, the transmission device comprises a first transmission piece driven by water flow to rotate around a first axial direction; one end of the second transmission part is in transmission connection with the first transmission part to rotate around a second axial direction; the third transmission part is in transmission connection with the other end of the second transmission part so as to rotate around a third axial direction; the first axial direction is parallel to the second axial direction, and the third axial direction is perpendicular to the first axial direction and the second axial direction; the cleaning assembly is in threaded connection with the third transmission part so as to move along the water taking grid when the third transmission part rotates.

Description

Technical Field

[0001] The invention relates to the technical field of seawater intake grilles, and in particular to an automatic cleaning device for seawater intake grilles. Background Art

[0002] Seawater intake is an essential auxiliary facility for coastal thermal power plants, chemical plants, desalination plants, etc. In order to ensure the water quality and prevent marine life from being sucked into the water intake structure due to excessive flow rate, seawater intake is often done by setting up water intake heads in the deep sea and transporting water to the plant through pipelines.

[0003] Among them, in order to prevent the invasion of marine organisms at the water intake head, in addition to controlling the water intake flow rate, a water intake grid should be installed at the water intake window to intercept the active invasion of large marine organisms. Since the water intake grid is submerged in water all year round, it is an inevitable natural phenomenon that marine organisms, especially shellfish, attach and grow on the water intake grid. The attachment of marine organisms on the grid not only affects the water quality of the water intake, but also further increases the water flow rate at the grid due to the reduction of the water flow section, which not only causes further danger to marine organisms but also has a serious impact on the structural safety of the structure itself.

[0004] The conventional practice to prevent marine organisms from attaching to the water intake grid is to apply chlorine-containing chemicals at the water inlet. For example, the Chinese patent with the announcement number CN103556673B discloses a multifunctional water intake head for seawater, which has a biocide introduction channel formed inside, and a biocide diffusion hole connected to the inside of the reinforced concrete barrel on the side wall of the biocide introduction channel to prevent marine organisms from attaching and clogging the water intake head. Although this kind of practice inhibits or delays the attachment of marine organisms to a certain extent, due to the certain toxicity of chlorine-containing chemicals, there is a problem of polluting the water environment and affecting the water quality of the water intake.

[0005] Therefore, there is an urgent need for an automatic cleaning device for seawater intake grids, which can spontaneously and periodically clean the water intake grids to prevent marine organisms from attaching to the water intake grids, affecting the water flow rate and thus affecting the water quality. Summary of the invention

[0006] 1. Technical issues to be resolved

[0007] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides an automatic cleaning device for a seawater intake grid, which solves the technical problem that marine organisms attach to the grid, reduce the water flow rate, and affect the water quality.

[0008] (II) Technical solution

[0009] In order to achieve the above object, the main technical solutions adopted by the present invention include:

[0010] An automatic cleaning device for a seawater intake grid comprises: a cleaning component for cleaning the water intake grid, and a transmission device driven by an intake water flow to move the cleaning component along the water intake grid;

[0011] The transmission device comprises: a first transmission member driven by water flow to rotate around a first axial direction; a second transmission member having one end drivingly connected to the first transmission member to rotate around a second axial direction; and a third transmission member drivingly connected to the other end of the second transmission member to rotate around a third axial direction;

[0012] The first axial direction is parallel to the second axial direction, and the third axial direction is perpendicular to the first axial direction and the second axial direction;

[0013] The cleaning assembly is threadedly connected to the third transmission member so as to move along the water intake grid when the third transmission member rotates.

[0014] A vortex blade is provided at the bottom of the first transmission member, and the vortex blade is located outside the water intake grid. The water intake flow drives the vortex blade to drive the first transmission member to rotate;

[0015] A first reversing gear for connecting with the second transmission member is disposed on the upper portion of the first transmission member.

[0016] A second reversing gear and a third reversing gear are respectively provided at two ends of the second transmission member;

[0017] The second reversing gear is meshed with the first reversing gear;

[0018] The end of the third reversing gear is connected to a reversing assembly, and the reversing assembly includes a reversing lever fixed to the end surface of the third reversing gear and a reversing sleeve sleeved on the third transmission member;

[0019] The reversing sleeve is slidably connected to the third transmission member.

[0020] The reversing lever is fixed at the center of the end surface of the third reversing gear, and the length of the reversing lever is greater than the diameter of the third reversing gear.

[0021] The outer side surface of the third transmission member is provided with a concave keyway, and the concave keyway is axially arranged along the third shaft;

[0022] The inner side surface of the reversing sleeve is provided with a convex keyway, and the convex keyway is arranged axially along the third axis;

[0023] The convex keyway is slidably connected to the concave keyway, so that the reversing sleeve is slidably connected to the third transmission member.

[0024] The two ends of the reversing sleeve are respectively provided with a fourth reversing gear and a fifth reversing gear;

[0025] The reversing lever rotates along with the third reversing gear to drive the reversing sleeve to slide back and forth along the third axial direction, so that the third reversing gear is meshed with the fourth reversing gear or the fifth reversing gear.

[0026] It also includes a positioning pin, a mounting groove is provided on the side of the third transmission member, and the positioning pin is telescopically arranged in the mounting groove;

[0027] The positioning pin comprises: a spherical plug-in and a spring, one end of the spring is fixedly connected to the mounting groove, the other end of the spring is connected to the spherical plug-in, and the spherical plug-in extends out of the mounting groove.

[0028] The inner side surface of the reversing sleeve is provided with a slot;

[0029] When the reversing sleeve slides to the top of the concave key groove, the slot corresponds to the mounting slot, the positioning pin is inserted into the slot, and the reversing sleeve is fixed to the third transmission member;

[0030] When the reversing sleeve slides to the bottom of the concave keyway, the inner side surface of the reversing sleeve squeezes the positioning pin, so that the positioning pin shrinks into the installation groove.

[0031] The cleaning assembly comprises a plurality of scrapers sleeved on the water intake grid, the scrapers are slidably connected to the water intake grid, and a threaded hole for threaded connection with the third transmission member is provided in the middle of the scraper.

[0032] The automatic cleaning device for the seawater intake grid is arranged between the concrete top plate of the water intake head and the concrete bottom plate of the water intake head; the concrete top plate of the water intake head is provided with a first installation cavity, a second installation cavity and a third installation cavity which are connected in sequence;

[0033] The first transmission member is rotatably connected to the first mounting cavity;

[0034] The second transmission member is rotatably connected to the second mounting cavity;

[0035] The top of the third transmission member is rotatably connected to the third installation cavity, and the bottom of the third transmission member passes through the third installation cavity and is rotatably connected to the concrete bottom plate of the water intake head.

[0036] (III) Beneficial effects

[0037] The beneficial effects of the present invention are as follows: the present invention proposes an automatic cleaning device for a seawater intake grid, which is directly embedded in the concrete plate of the water intake head without adding any additional structure, and does not affect the construction and installation of the water intake head. It has the characteristics of simple structure, easy construction and maintenance-free.

[0038] The transmission device can use the flow of seawater as a power source. Without affecting the water intake function of the water intake grille, it can realize automatic cleaning of the water intake grille. No additional energy is required to provide power, which can save energy and reduce seawater pollution. It has the advantages of being economical and environmentally friendly.

[0039] By setting a reversing device, the rotation reversal of the third transmission member is realized, so that the cleaning component can reciprocate periodically. By setting the cleaning component to mechanically rub the water intake grid periodically, the effect of preventing marine organisms from attaching is achieved.

[0040] The third transmission member is provided with a reversing sleeve which can slide in the axial direction, and gears are respectively provided at the top and bottom ends of the reversing sleeve. By arranging a reversing lever to rotate periodically along with the transmission device, the reversing lever spontaneously reciprocates and shifts the gear at the top or bottom end of the reversing sleeve, driving the reversing sleeve to slide along the third transmission member, so that the transmission device is meshed with the gear at the top or bottom end of the reversing sleeve, realizing the rotational reversal of the lifting device, so that the third transmission member has the functions of rotation and reversing at the same time, thereby realizing the periodic and spontaneous reciprocating motion of the cleaning component, and then realizing the automatic cleaning of the seawater intake grid. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a structural schematic diagram of the automatic cleaning device for seawater intake grid of the present invention;

[0042] Figure 2 It is an enlarged view of the connection structure between the second transmission member and the third transmission member;

[0043] Figure 3 for Figure 1 Sectional view at AA in the middle;

[0044] Figure 4 It is a side view of the reversing sleeve;

[0045] Figure 5 for Figure 4 Sectional view at the middle BB;

[0046] Figure 6 is a partial side view of the third transmission member;

[0047] Figure 7 for Figure 6 Sectional view at CC;

[0048] Figure 8 It is a side view of the reversing lever;

[0049] Fig. 9 is a partial enlarged view of the second transmission member;

[0050] Fig.10 It is a schematic diagram of the structure of the positioning pin.

[0051] [Description of Reference Numerals]

[0052] 1: Water intake grille;

[0053] 21: third transmission member; 211: concave keyway; 22: fifth rolling bearing; 23: sixth rolling bearing; 24: reversing sleeve; 241: fourth reversing gear; 242: fifth gear; 243: convex keyway; 25: reversing lever; 26: seventh rolling bearing;

[0054] 31: second transmission member; 32: second reversing gear; 33: third reversing gear; 34: third rolling bearing; 35: fourth rolling bearing;

[0055] 41: first transmission member; 42: eddy current blade; 43: first rolling bearing; 44: first reversing gear; 45: second rolling bearing;

[0056] 5: water intake head concrete top plate; 51: installation cavity; 52: second installation cavity; 53: third installation cavity;

[0057] 6: Clean components;

[0058] 7: Water intake concrete bottom plate;

[0059] 8: positioning pin; 81: mounting groove; 82: slot; 83: spherical plug-in; 84: spring. DETAILED DESCRIPTION

[0060] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below in conjunction with the accompanying drawings through specific embodiments. Figure 1 For reference.

[0061] An automatic cleaning device for a seawater intake grid proposed in an embodiment of the present invention includes a transmission device and a cleaning component 6. The transmission device is driven to rotate by using the flow of seawater as a power source, and then the cleaning component 6 is driven to reciprocate along the water intake grid to clean the water intake grid 1. Since the cleaning device uses the flow of seawater as a power source to achieve self-cleaning of the water intake grid 1, it can save energy and reduce seawater pollution.

[0062] The third transmission member 21 is connected to the reversing assembly, and the reversing assembly is provided to realize the rotation reversal of the third transmission member 21, thereby realizing the periodic reciprocating motion of the cleaning assembly 6. By providing the cleaning assembly 6 to mechanically rub the water intake grid 1 periodically, the effect of preventing marine organisms from attaching is achieved.

[0063] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0064] The water intake head comprises: a water intake grille 1, a water intake head concrete top plate 5 and a water intake head concrete bottom plate 7. The water intake grille 1 is arranged between the water intake head concrete top plate 5 and the water intake head concrete bottom plate 7. The top and bottom of the water intake grille 1 are fixedly connected to the water intake head concrete top plate 5 and the water intake head concrete bottom plate 7 respectively.

[0065] See attached Figure 1 As shown, an automatic cleaning device for seawater intake grid proposed in an embodiment of the present invention is connected between the water intake head concrete top plate 5 and the water intake head concrete bottom plate 7. The automatic cleaning device for seawater intake grid includes a cleaning component 6 for cleaning the water intake grid 1, and a transmission device driven by the water intake flow to move the cleaning component 6 along the water intake grid 1. The cleaning component 6 is driven by the transmission device to reciprocate along the water intake grid 1, so as to clean the water intake grid 1, prevent marine organisms from attaching, and improve the water intake quality.

[0066] The transmission device includes: a first transmission member 41 driven by water flow to rotate around a first axial direction; a second transmission member 31 with one end connected to the first transmission member 41 to rotate around a second axial direction; and a third transmission member 21 connected to the other end of the second transmission member 31 to rotate around a third axial direction. The first axial direction is parallel to the second axial direction, and the third axial direction is perpendicular to the first axial direction and the second axial direction. The cleaning component 6 is threadedly connected to the third transmission member 41 to move along the water intake grid 1 when the third transmission member 21 rotates. The long-distance transmission of water flow power is achieved by continuously arranging the first transmission member 41, the second transmission member 31 and the third transmission member 21.

[0067] A vortex blade 42 is provided at the bottom of the first transmission member 41. The flow of seawater drives the vortex blade 42 to rotate, which serves as a power source for the cleaning component 6. While cleaning the water intake grid 1, it can also save energy and reduce seawater pollution.

[0068] A first reversing gear 44 is disposed on the upper portion of the first transmission member 41, and the first reversing gear 44 is used to connect the second transmission member 31. The first reversing gear 44 is fixedly connected to the first transmission member 41, and the first reversing gear 44 is a bevel gear (planetary gear).

[0069] The first installation cavity 51, the second installation cavity 52 and the third installation cavity 53 are connected in sequence inside the water intake head concrete top plate 5, wherein the first installation cavity 51 and the third installation cavity 53 are arranged in the vertical direction, and the second installation cavity 52 is connected to the first installation cavity 51 and the third installation cavity 53 in the horizontal direction, so that the vertical section of the first installation cavity 51, the second installation cavity 52 and the third installation cavity 53 connected is H-shaped. The bottom of the first installation cavity 51 and the third installation cavity 53 is provided with a through hole connected to the outside, the first installation cavity 51 is used to install the first transmission member 41, the second installation cavity 52 is used to install the second transmission member 31, and the third installation cavity 53 is used to install the third transmission member 21. By arranging the transmission device inside the water intake head concrete top plate 5, while driving the cleaning component 6, the external space occupation can be reduced, the cost can be saved, and the water intake grid 1 can be avoided from being blocked, which affects the water intake of the water intake head.

[0070] A first rolling bearing 43 is provided at the top of the first installation cavity 51, and the top of the first transmission member 41 is rotatably connected to the first rolling bearing 43 to ensure that the first transmission member 41 can rotate freely. A second rolling bearing 45 is also provided at the bottom of the first installation cavity 51, and the second rolling bearing 45 is located below the first reversing gear 44. The second rolling bearing 45 is rotatably connected to the first transmission member 41. By providing the second rolling bearing 45 and the first rolling bearing 43, while cooperating with the first transmission member 41 to rotate, they also play a role of connection and guidance, so that the first transmission member 41 is kept in the vertical direction.

[0071] The bottom end of the first transmission member 41 extends through the bottom of the first installation cavity 51 to below the water intake head concrete top plate 5. The vortex blades 42 are connected to the bottom of the first transmission member 41 and are located on one side of the water intake grid 1 to prevent the vortex blades 42 from contacting and colliding with the water intake grid 1, while being driven by the water intake flow.

[0072] When the seawater flows, the vortex blades 42 are driven to rotate along with the flow of the seawater, and the kinetic energy of the water is transmitted to the first transmission member 41 through the vortex blades 42 . The first transmission member 41 drives the first reversing gear 44 to rotate, so as to transmit the kinetic energy to the second transmission member 31 .

[0073] The transmission device is rotatably connected in the second installation cavity 52, and includes a second transmission member 31, and a second reversing gear 32 and a third reversing gear 33 respectively arranged at both ends of the second transmission member 31, and the second reversing gear 32 and the third reversing gear 33 are both bevel gears (star gears). The second reversing gear 32 is used to connect to the first transmission member 41, and the second reversing gear 32 is perpendicular to the first reversing gear 44 and meshes with the first reversing gear 44. The third reversing gear 33 is used to connect to the third transmission member 21.

[0074] A third rolling bearing 34 and a fourth rolling bearing 35 are respectively provided at both ends of the second transmission member 31. The third rolling bearing 34 and the fourth rolling bearing 35 are located between the second reversing gear 32 and the third reversing gear 33. The third rolling bearing 34 and the fourth rolling bearing 35 are rotatably connected to the second transmission member 31. The third rolling bearing 34 and the fourth rolling bearing 35 are fixedly connected to the second mounting cavity 52. ​​By arranging the third rolling bearing 34 and the fourth rolling bearing 35, while cooperating with the second transmission member 31 to rotate, they also play a role of connection and guidance, so that the second transmission member 31 is kept in a horizontal direction.

[0075] See attached Figure 2 As shown, the end of the third reversing gear 33 is connected to the reversing assembly, which includes a reversing lever 25 fixed to the end surface of the third reversing gear 33 and a reversing sleeve 24 sleeved on the third transmission member 21, and the reversing sleeve 24 is slidably connected to the third transmission member 21.

[0076] See attached Figure 8-9 As shown, one end of the reversing lever 25 is fixed at the center of the end surface of the third reversing gear 33 , and the other end of the reversing lever 25 extends out of the outer edge of the third reversing gear 33 . The length of the reversing lever 25 is greater than the diameter of the third reversing gear 33 .

[0077] See attached Figure 6-7 As shown, the outer side surface of the third transmission member 21 is provided with a concave keyway 211, and the concave keyway 211 is arranged along the axial direction of the third axis, that is, along the vertical direction of the third transmission member 21. Figure 5 As shown, the inner side of the reversing sleeve 24 is provided with a convex keyway 243, and the convex keyway 243 is arranged axially along the third axis. The convex keyway 243 is slidably connected with the concave keyway 211, so that the reversing sleeve 24 can be slidably connected with the third transmission member 21. By providing the convex keyway 243 and the concave keyway 211, the reversing sleeve 24 can slide axially along the third transmission member 21, and can also drive the third transmission member 21 to rotate circumferentially, so that the third transmission member 21 has both rotation and reversing functions.

[0078] See attached Figure 4 As shown, a fourth reversing gear 241 and a fifth reversing gear 242 are respectively provided at both ends of the reversing sleeve 24. Both the fourth reversing gear 241 and the fifth reversing gear 242 are bevel gears (star gears). The teeth of the fourth reversing gear 241 and the fifth reversing gear 242 are arranged opposite to each other, that is, the teeth of the fourth reversing gear 241 are arranged on the lower side, and the teeth of the fifth reversing gear 242 are arranged on the upper side.

[0079] The reversing lever 25 rotates with the third reversing gear 33 to drive the reversing sleeve 24 to slide back and forth axially along the third transmission member 21, so that the third reversing gear 33 is meshed with the fourth reversing gear 241 or the fifth reversing gear 242 to drive the third transmission member 21 to rotate forward or reverse, thereby driving the cleaning component 6 to reciprocate.

[0080] When the reversing lever 25 rotates to the top of the third reversing gear 33, the reversing lever 25 shifts the fourth reversing gear 241 to drive the reversing sleeve 24 to slide upward along the concave keyway 211, so that the third reversing gear 33 is meshed with the fifth reversing gear 242, and the third transmission member 214 is driven to rotate in the opposite direction. When the reversing lever 25 rotates to the bottom of the third reversing gear 33, the reversing lever 25 shifts the fifth reversing gear 242, and the fifth reversing gear 242 drives the reversing sleeve 24 to slide downward along the concave keyway 211, so that the third reversing gear 33 is meshed with the fourth reversing gear 241, and the third transmission member 214 is driven to rotate in the forward direction. By setting the reversing lever 25 to rotate periodically with the third reversing gear 33, the fourth reversing gear 241 and the fifth gear 242 are spontaneously reciprocated to realize the automatic rotation reversal of the third transmission member 21, thereby realizing the reciprocating motion of the cleaning component 6.

[0081] See attached Fig.10 As shown, it also includes a positioning pin 8. A mounting groove 81 is provided on the side of the third transmission member 21. The positioning pin 8 can be telescopically arranged in the mounting groove 81. The positioning pin 8 is used to position the reversing sleeve 24 after sliding upward, so that when the third reversing gear 33 is meshed with the fifth reversing gear 242, the reversing sleeve 24 will not slide downward under the action of gravity, so as to avoid the reversing sleeve 24 from being unable to continuously mesh with the fifth reversing gear 242 before the next reversing. The positioning pin 8 includes: a spherical plug-in 83 and a spring 84. One end of the spring 84 is fixedly connected to the mounting groove 81, and the other end of the spring 84 is connected to the spherical plug-in 83. The spherical plug-in 83 extends out of the mounting groove 81. A slot 82 is provided on the inner side of the reversing sleeve 24, and the slot 82 is in a spherical crown shape.

[0082] When the reversing lever 25 drives the reversing sleeve 24 to slide upward along the concave key groove 211 to the top of the concave key groove 211 (the third reversing gear 33 is meshed with the fifth reversing gear 242), the slot 82 corresponds to the mounting slot 81, the positioning pin 8 is inserted into the slot 82, and the reversing sleeve 24 is fixed to the third transmission member 21. When the reversing lever 25 drives the reversing sleeve 24 to slide downward along the concave key groove 211, the inner side of the reversing sleeve 24 squeezes the spherical plug-in 83, so that the positioning pin 8 shrinks into the mounting slot 81, so that the reversing sleeve 24 can slide downward.

[0083] By combining the spherical plug-in 83 and the spherical crown slot 82 , the inner side of the reversing sleeve 24 can squeeze the spherical plug-in 83 , so that the spherical plug-in 83 squeezes the spring 84 to shrink into the mounting groove 81 without being stuck by the slot 82 , thereby achieving positioning and sliding of the reversing sleeve 24 .

[0084] The third transmission member 21 is arranged in the vertical direction, and the top and bottom of the third installation cavity 53 are provided with the fifth rolling bearing 22 and the sixth rolling bearing 23 respectively. The top of the third transmission member 21 is rotatably connected with the fifth rolling bearing 22, and the middle of the third transmission member 21 is rotatably connected with the sixth rolling bearing 23. The bottom end of the third transmission member 21 extends through the bottom of the third installation cavity 53 to the bottom of the water intake grid 1, and the bottom of the third transmission member 21 is rotatably connected with the concrete bottom plate 7 of the water intake head. The seventh rolling bearing 26 is provided on the concrete bottom plate 7 of the water intake head, and the bottom of the third transmission member 21 is rotatably connected with the seventh rolling bearing 26. By providing the fifth rolling bearing 22, the sixth rolling bearing 23 and the seventh rolling bearing 26, while cooperating with the rotation of the third transmission member 21, they also play the role of connection and guidance, so that the third transmission member 21 is kept in the vertical direction.

[0085] A section of the third transmission member 21 extending out of the water intake head concrete top plate 5 is provided with threads, and the cleaning assembly 6 is threadedly connected to the third transmission member 21. The third transmission member 21 is located between adjacent railings of the water intake grille 1.

[0086] The water intake grille 1 includes a plurality of railings arranged in the vertical direction. Figure 3 As shown, the cleaning assembly 6 includes a plurality of scrapers sleeved on the railing, the scrapers are provided with a plurality of through holes for passing through the railing in the vertical direction, and the middle of the scrapers are provided with a threaded hole for threaded connection with the third transmission member 21. The third transmission member 21 rotates forward or reversely to drive the scrapers to reciprocate along the water intake grille 1, thereby cleaning the water intake grille 1, preventing marine organisms from attaching, and improving the water intake quality.

[0087] The gear diameters and gear ratios of the first reversing gear 44 and the second reversing gear 32 are calculated based on actual needs.

[0088] The gear diameters and gear ratios of the third reversing gear 33, the fourth reversing gear 241 and the fifth reversing gear 242 are calculated based on actual requirements. The lifting thread size of the third transmission member 21 is calculated based on actual requirements.

[0089] By adjusting the gear diameter and the number of gear ratios of the gears, the travel range of each set of scrapers can be adjusted. The cleaning requirements for the water intake grid 1 can also be met by changing the number of scrapers set.

[0090] The present invention provides an automatic cleaning device for a seawater intake grid, which is directly embedded in a concrete slab of an intake head without adding any additional structure and does not affect the construction and installation of the intake head. The device has the characteristics of simple structure, easy construction and maintenance-free.

[0091] The transmission device can use the flow of seawater as a power source, and realize automatic cleaning of the water intake grid 1 without affecting the water intake function of the water intake grid 1. It does not require additional energy to provide power, can save energy, reduce seawater pollution, and has the advantages of being economical and environmentally friendly.

[0092] By providing a reversing device, the rotation reversal of the third transmission member 21 is achieved, so that the cleaning component 6 can reciprocate periodically. By providing the cleaning component 6 to mechanically rub the water intake grid 1 periodically, the effect of preventing marine organisms from attaching can be achieved.

[0093] The third transmission member 21 is provided with a reversing sleeve 24 that can slide in the axial direction, and the top and bottom ends of the reversing sleeve 24 are respectively provided with a fourth reversing gear 241 and a fifth gear 242. By arranging a reversing lever 25 to rotate periodically with the third reversing gear 33, the reversing lever 25 spontaneously reciprocates the fourth reversing gear 241 and the fifth gear 242, driving the reversing sleeve 24 to slide axially along the third transmission member 21, so that the third reversing gear 33 is meshed with the fourth reversing gear 241 or the fifth gear 242, realizing the rotation reversal of the lifting device, so that the third transmission member 21 has the functions of rotation and reversing at the same time, thereby realizing the periodic and spontaneous reciprocating motion of the cleaning component 6, and then realizing the automatic cleaning of the seawater intake grid 1.

[0094] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0095] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0096] In the present invention, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0097] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0098] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may alter, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An automatic cleaning device for seawater intake grid, characterized in that: include: A cleaning component (6) for cleaning the water intake grid (1), and a transmission device driven by the water intake flow to move the cleaning component (6) along the water intake grid (1); The transmission device comprises: a first transmission member (41) driven by water flow to rotate around a first axial direction; a second transmission member (31) having one end transmission-connected to the first transmission member (41) to rotate around a second axial direction; and a third transmission member (21) transmission-connected to the other end of the second transmission member (31) to rotate around a third axial direction; The first axial direction is parallel to the second axial direction, and the third axial direction is perpendicular to the first axial direction and the second axial direction; The cleaning assembly (6) is threadedly connected to the third transmission member (41) so as to move along the water intake grid (1) when the third transmission member (21) rotates.

2. The automatic cleaning device for seawater intake grid according to claim 1, characterized in that: A vortex blade (42) is provided at the bottom of the first transmission member (41), and the vortex blade (42) is located outside the water intake grid (1). The water intake flow drives the vortex blade (42) to drive the first transmission member (41) to rotate; A first reversing gear (44) for connecting to the second transmission member (31) is provided on the upper portion of the first transmission member (41).

3. The automatic cleaning device for seawater intake grid according to claim 2, characterized in that: A second reversing gear (32) and a third reversing gear (33) are respectively provided at two ends of the second transmission member (31); The second reversing gear (32) is meshed with the first reversing gear (44); The end of the third reversing gear (33) is connected to a reversing assembly, and the reversing assembly comprises a reversing lever (25) fixed to the end surface of the third reversing gear (33), and a reversing sleeve (24) sleeved on the third transmission member (21); The reversing sleeve (24) is slidably connected to the third transmission member (21).

4. The automatic cleaning device for seawater intake grid according to claim 3 is characterized in that: The reversing lever (25) is fixed at the center of the end surface of the third reversing gear (33), and the length of the reversing lever (25) is greater than the diameter of the third reversing gear (33).

5. The automatic cleaning device for seawater intake grid according to claim 3, characterized in that: A concave key groove (211) is provided on the outer side surface of the third transmission member (21), and the concave key groove (211) is axially arranged along the third axis; The inner side surface of the reversing sleeve (24) is provided with a convex keyway (243), and the convex keyway (243) is axially arranged along the third axis; The convex keyway (243) is slidably connected to the concave keyway (211), so that the reversing sleeve (24) is slidably connected to the third transmission member (21).

6. The automatic cleaning device for seawater intake grid according to claim 5, characterized in that: A fourth reversing gear (241) and a fifth reversing gear (242) are respectively provided at two ends of the reversing sleeve (24); The reversing lever (25) rotates along with the third reversing gear (33) to drive the reversing sleeve (24) to slide back and forth along the third axial direction, so that the third reversing gear (33) meshes with the fourth reversing gear (241) or the fifth reversing gear (242).

7. The automatic cleaning device for seawater intake grid according to claim 6, characterized in that: It also includes a positioning pin (8), a side surface of the third transmission member (21) is provided with a mounting groove (81), and the positioning pin (8) is telescopically arranged in the mounting groove (81); The positioning pin (8) comprises: a spherical plug-in (83) and a spring (84), one end of the spring (84) is fixedly connected to the mounting groove (81), the other end of the spring (84) is connected to the spherical plug-in (83), and the spherical plug-in (83) extends out of the mounting groove (81).

8. The automatic cleaning device for seawater intake grid according to claim 7, characterized in that: The inner side surface of the reversing sleeve (24) is provided with a slot (82); When the reversing sleeve (24) slides to the top of the concave key groove (211), the slot (82) corresponds to the mounting slot (81), the positioning pin (8) is inserted into the slot (82), and the reversing sleeve (24) is fixed to the third transmission member (21); When the reversing sleeve (24) slides to the bottom of the concave key groove (211), the inner side surface of the reversing sleeve (24) presses the positioning pin (8), causing the positioning pin (8) to shrink into the installation groove (81).

9. The automatic cleaning device for seawater intake grid according to claim 1, characterized in that: The cleaning assembly (6) comprises a plurality of scraper groups sleeved on the water intake grid (1), the scrapers being slidably connected to the water intake grid (1), and threaded holes for threaded connection with the third transmission member (21) being provided in the middle of the scrapers.

10. The automatic cleaning device for seawater intake grid according to claim 1, characterized in that: The seawater intake grid automatic cleaning device is arranged between the water intake head concrete top plate (5) and the water intake head concrete bottom plate (7); the water intake head concrete top plate (5) is provided with a first installation cavity (51), a second installation cavity (52) and a third installation cavity (53) which are connected in sequence; The first transmission member (41) is rotatably connected to the first mounting cavity (51); The second transmission member (31) is rotatably connected to the second mounting cavity (52); The top of the third transmission member (21) is rotatably connected to the third installation cavity (53), and the bottom of the third transmission member (21) passes through the third installation cavity (53) and is rotatably connected to the water intake head concrete bottom plate (7).

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