A composite drive cleaning device

Abstract

The present application relates to a kind of composite drive cleaning device, comprising: supply group, at least can be configured to provide high-pressure fluid for cleaning for cleaning device;N group of cleaning components, the cleaning component includes rotating shaft and spray pipe, the spray pipe can be rotated with the rotating shaft synchronization;The rotating shaft is equipped with fluid passage, the fluid passage is communicated with the supply group, spray pipe respectively, to prepare the high-pressure fluid is ejected from spray pipe by the fluid passage, for cleaning the surface to be cleaned;N group of drive components, the drive component is set up one by one with the cleaning component, the drive component is configured to at least can provide part of driving force for the rotating shaft, and the rotating speed of the rotating shaft can be controlled;Wherein, N≥1, the high-pressure fluid and the drive component are collectively provided for the rotating shaft with rotating power.

Description

Technical Field

[0001] This invention relates to the field of ship surface cleaning technology, and in particular to a composite-driven cleaning device. Background Technology

[0002] In recent years, with the vigorous development of the global maritime industry, the volume of waterborne freight has been rising continuously. Ships navigate in the water for extended periods, and algae, barnacles, and other marine organisms accumulate on their hulls, severely impacting shipping operations. Generally, the attachment of marine life reduces ship speed by 10% to 50%, requiring ships to consume more fuel to compensate for the speed reduction, significantly increasing operating costs. Therefore, it is necessary to regularly clean the surfaces of ships.

[0003] Currently, in China, most ship surface cleaning is done manually using hand-held shovels or hydraulic scrapers, which is inefficient and can easily damage the paint. Some domestic manufacturers have produced high-pressure water-driven cavitation jet cleaning devices, but the rotation speed and state of the rotary joint are uncontrollable, making it difficult to guarantee cleaning effectiveness. Summary of the Invention

[0004] Based on the above analysis, the present invention aims to provide a composite-driven cleaning device to solve the problems of uncontrollable speed and cleaning effect of existing cleaning devices.

[0005] This invention provides a composite-driven cleaning device, comprising: The flow supply assembly is configured to provide at least a high-pressure fluid for cleaning to the cleaning device; N sets of cleaning components, each cleaning component including a rotating shaft and a nozzle, the nozzle being able to rotate synchronously with the rotating shaft; the rotating shaft is provided with a fluid channel, the fluid channel being connected to the flow supply component and the nozzle respectively, so that the high-pressure fluid is sprayed out from the nozzle through the fluid channel for cleaning the surface to be cleaned; N sets of drive components, each drive component corresponding to one of the cleaning components, the drive components being configured to provide at least a portion of the driving force to the rotating shaft and to control the rotational speed of the rotating shaft; Where N≥1, the high-pressure fluid and the drive assembly together provide rotational power for the rotating shaft.

[0006] Furthermore, the rotational speed that the high-pressure fluid can drive the rotating shaft to reach is the fluid drive speed; When the fluid drive speed is greater than the preset speed of the rotating shaft, the driving force of the drive component and the high-pressure fluid on the rotating shaft are in opposite directions. When the fluid drive speed is less than or equal to the preset speed of the rotating shaft, the driving force of the drive component and the high-pressure fluid on the rotating shaft is in the same direction.

[0007] Furthermore, the flow supply assembly includes an inlet pipe and N connecting pipes, one end of the connecting pipe is connected to the inlet pipe, and the other end of the connecting pipe is connected to the fluid channel of the cleaning assembly; Each of the connecting pipes corresponds to one of the cleaning components.

[0008] Furthermore, the inlet pipe is connected to N connecting pipes via a flow divider; The diversion component includes a main inlet and N branch outlets connected to the main inlet; One end of the inlet pipe is connected to the mechanism for supplying high-pressure fluid, and the other end of the inlet pipe is connected to the main inlet; One end of the connecting pipe is connected to the outlet, and the other end of the connecting pipe is connected to the fluid channel of the cleaning assembly. The connecting pipe corresponds one-to-one with the branch outlet.

[0009] Furthermore, the cleaning assembly also includes a cleaning disc and a connecting cylinder; The cleaning disc is mounted on the spray pipe; The connecting cylinder is detachably connected to the cleaning disc; The rotating shaft is at least partially located within the connecting cylinder, and is rotatably connected to the connecting cylinder; one end of the rotating shaft is connected to the drive assembly, and the other end of the rotating shaft extends into the cleaning disc and is connected to the spray nozzle.

[0010] Furthermore, the connecting cylinder body is provided with a first cavity and an inlet communicating with the first cavity, and the inlet is connected to the connecting pipe of the supply assembly; The rotating shaft is provided with at least one fluid inlet, which is connected to the first cavity and the fluid channel; Preferably, the position of the inlet corresponds to the position where the rotating shaft has a fluid inlet; Preferably, the first cavity is provided with a first connection port and a second connection port through which both ends of the rotating shaft pass, and the sidewalls of the rotating shaft are dynamically sealed to the first connection port and the second connection port respectively; Preferably, the cleaning assembly includes multiple nozzles; the rotating shaft is provided with multiple fluid outlets, the number of fluid outlets being the same as the number of nozzles, and each nozzle and each fluid outlet corresponding to the other.

[0011] Furthermore, the rotating shaft includes a first rotating part and a second rotating part that are detachably connected. The first rotating part and the second rotating part together define the fluid channel. The fluid inlet is opened on the side wall of the first rotating part, and the fluid outlet is opened on the side wall of the second rotating part. The first rotating part is detachably disposed in the first cavity. One end of the first rotating part passes through the first connection port and is connected to the drive assembly. The other end of the first rotating part passes through the second connection port and extends into the cleaning tray and is detachably connected to the second rotating part. The second rotating part is located inside the cleaning tray, and the top end of the second rotating part is detachably connected to the first rotating part. The fluid outlet is opened on the side wall of the second rotating part. Preferably, the first rotating part is provided with an assembly hole communicating with the fluid channel, and the diameter of the assembly hole is larger than the diameter of the fluid channel; a first connecting protrusion is provided on the side wall of the first rotating part at a position corresponding to the assembly hole; The top end of the second rotating part mates with the mounting hole, and the top end of the second rotating part can be inserted into the mounting hole; the side wall of the second rotating part is provided with a second connecting protrusion that mates with the first connecting protrusion; The second rotating part is inserted into the assembly hole, and the first connecting protrusion and the second connecting protrusion are fitted together and detachably connected.

[0012] Furthermore, the drive assembly includes a drive motor, a motor housing, a transmission housing, and a drive shaft. The drive motor is located inside the motor housing, the drive shaft is located inside the transmission housing, and the transmission housing is detachably connected to the motor housing. The output shaft of the drive motor extends from the motor housing into the transmission housing and is detachably connected to the drive shaft; the output shaft is rotatably connected to the motor housing. One end of the drive shaft is connected to the output shaft, and the other end of the drive shaft extends out of the transmission compartment and is connected to the rotating shaft; the drive shaft is rotatably connected to the transmission compartment. Preferably, the drive motor is a servo motor, or the drive motor is equipped with a speed feedback encoder so as to feed back the output shaft speed of the drive motor to the controller and / or host computer of the cleaning device.

[0013] Furthermore, the cleaning device also includes a connecting main beam, which is configured to assemble the flow supply component, N sets of cleaning components and N sets of drive components onto the mechanism requiring the cleaning device; The connecting main beam includes a central assembly section and N support assembly sections. The support assembly sections are evenly arranged on the outside of the central assembly section, and the N support assembly sections are at the same distance from the central assembly section. The flow supply component is detachably installed in the central assembly section; N sets of cleaning components and N sets of drive components are respectively arranged on both sides of N support assembly parts; Preferably, the central assembly section and the N branch assembly sections are connected by a main beam frame; Preferably, N=2, the main beam frame is a straight frame, the two support assembly parts are located at both ends of the main beam frame, and the central assembly part is located below the center of the main beam frame.

[0014] Furthermore, the cleaning device also includes a controller configured to simultaneously control the rotational speed of the drive motors of at least N cleaning components.

[0015] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects: (1) The present invention accurately controls the rotation speed of the rotating shaft by the drive component, which can avoid damage to the cleaning surface caused by excessive high pressure fluid pressure leading to excessively fast nozzle rotation speed, and can also avoid poor cleaning effect caused by insufficient high pressure fluid pressure leading to excessively slow nozzle rotation speed, thus ensuring the cleaning effect of the cleaning device. (2) The present invention drives the rotation of the rotating shaft together with the high pressure fluid and the drive component, and makes reasonable use of the driving force generated by the high pressure fluid on the nozzle. This not only saves energy and reduces emissions, but also makes it more environmentally friendly. In addition, it avoids the large size of the drive component, which increases the weight and volume of the cleaning device and reduces the scope of use and flexibility of the cleaning device. (3) The nozzle speed is precisely controlled by controlling the speed of the motor in the drive assembly, thereby achieving good adsorption and cleaning effect; in addition, the controller can ensure that the cleaning effect of all cleaning components is consistent, so that the cleaning device has a uniform cleaning effect. (4) The present invention adopts a modular design, which makes it convenient for each module to be assembled and debugged separately, and also facilitates maintenance and repair; when the drive component fails, the entire drive component can be disassembled and the cleaning device can be temporarily driven by high pressure fluid to perform cleaning operations. (5) The present invention can precisely control the rotation speed of the nozzle, which can enhance the cleaning effect of the cleaning components and improve the reliability of the cleaning disc adsorbing the hull. (6) The cleaning component and the drive component are connected together by the connecting main beam. The drive component and the high-pressure water jointly drive the rotating shaft in the cleaning component to rotate. The rotation status can be monitored by the controller or / and the host computer so that the rotation speed can be set to adjust the adsorption force between the cleaning component and the surface to be cleaned. At the same time, it can overcome the disadvantages of inconsistent rotation speed of the rotating joints on both sides due to the difference in high-pressure water supply pressure and the inconsistent wear of the seals on both sides, so as to ensure that the cleaning effect of all cleaning components is consistent. (7) The present invention has a compact structure and small size, and the nozzle speed and adsorption force are controllable, which can ensure a good cleaning effect.

[0016] In this invention, the above-described technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of this invention will be set forth in the following description, and some advantages may become apparent from the description or be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained from what is particularly pointed out in the description and drawings. Attached Figure Description

[0017] The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Throughout the drawings, the same reference numerals denote the same parts.

[0018] Figure 1 This is a schematic diagram of the cleaning device in a specific implementation (I); Figure 2 This is a schematic diagram (II) of the cleaning device in a specific implementation embodiment; Figure 3 This is a schematic diagram (III) of the cleaning device in a specific implementation embodiment; Figure 4 This is a cross-sectional view of the cleaning device in a specific embodiment; Figure 5 This is a schematic diagram of the flow supply component in a specific implementation embodiment; Figure 6 This is a schematic diagram of the cleaning component in a specific implementation (I); Figure 7 This is a schematic diagram (II) of the cleaning component in a specific implementation embodiment; Figure 8 This is a schematic diagram (III) of the cleaning component in a specific implementation embodiment; Figure 9 This is a cross-sectional view of the cleaning component in a specific embodiment; Figure 10 This is a schematic diagram of the cleaning component after the cleaning disc is removed in a specific implementation (I). Figure 11 This is a schematic diagram (II) of the structure of the cleaning component after the cleaning plate is removed in a specific implementation; Figure 12 This is a schematic diagram (a) of the structure of the first rotating part in a specific embodiment; Figure 13 This is a schematic diagram (II) of the structure of the first rotating part in a specific embodiment; Figure 14 This is a cross-sectional view of the first rotating part in a specific embodiment; Figure 15 This is a schematic diagram of the structure of the second rotating part in a specific embodiment; Figure 16 This is a cross-sectional view of the second rotating part in a specific embodiment; Figure 17 This is a schematic diagram of the structure connecting the cylinder block in a specific implementation method (I); Figure 18 This is a schematic diagram (II) of the structure connecting the cylinder block in a specific implementation embodiment; Figure 19 This is a cross-sectional view of the cylinder block in a specific embodiment; Figure 20 This is a schematic diagram of the driving component in a specific implementation embodiment; Figure 21 This is a schematic diagram of the drive shaft in a specific implementation embodiment; Figure 22 This is a cross-sectional view of the drive shaft in a specific embodiment; Figure 23 This is a schematic diagram of the structure connecting the main beam in a specific implementation method (I); Figure 24 This is a schematic diagram (II) of the structure connecting the main beam in a specific implementation.

[0019] Figure label: 1-Flow supply assembly; 101-Main inlet; 102-Branch outlet; 11-Inlet pipe; 12-Connecting pipe; 13-Branch component; 14-Inspection cover; 2-Cleaning assembly; 201-First cavity; 202-Inlet; 203-First connection port; 204-Second connection port; 21-Rotating shaft; 21a-First rotating part; 21b-Second rotating part; 211-Fluid channel; 212-Fluid inlet; 213-Fluid outlet; 214-Assembly hole; 215-First connecting protrusion; 216-Second connecting protrusion ; 217-Slot; 217a-Cylindrical groove; 217b-Protruding groove; 22-Nozzle; 23-Washing disc; 24-Connecting cylinder; 3-Drive assembly; 31-Drive shaft; 311-Slot part; 312-Plug-in part; 312a-Cylindrical part; 312b-Protruding part; 32-Drive motor; 321-Output shaft; 33-Motor compartment; 34-Transmission compartment; 4-Connecting main beam; 401-Window; 41-Central assembly part; 42-Support assembly part; 421-Connecting protrusion; 43-Main beam frame; 44-Padded block. Detailed Implementation

[0020] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0021] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the term "connected" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

[0022] Throughout the text, the terms “top,” “bottom,” “above,” “below,” and “on top” refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates within the device. It is understood that the device is multifunctional and independent of its spatial orientation.

[0023] The working surface of this invention can typically be a plane or a curved surface, and can be inclined or horizontal. For ease of explanation, the embodiments of this invention are placed on a horizontal surface and used on a horizontal surface, thereby defining "height" and "vertical".

[0024] One specific embodiment of the present invention discloses a composite-driven cleaning device (hereinafter referred to as the cleaning device), which can at least be used to clean the surface of a ship.

[0025] like Figures 1-24 As shown, the cleaning device includes: The flow supply component 1 is configured to provide at least a high-pressure fluid for cleaning to the cleaning device; N sets of cleaning components 2, each cleaning component 2 includes a rotating shaft 21 and a nozzle 22, the nozzle 22 being able to rotate synchronously with the rotating shaft 21; the rotating shaft 21 is provided with a fluid channel 211, the fluid channel 211 being connected to the flow supply component 1 and the nozzle 22 respectively, so that high-pressure fluid is sprayed out from the nozzle 22 through the fluid channel 211 for cleaning the surface to be cleaned; N sets of drive components 3 are arranged in a one-to-one correspondence with the cleaning components 2. The drive components 3 are configured to provide at least a portion of the driving force to the rotating shaft 21 and to control the rotational speed of the rotating shaft 21. Where N is an integer, N≥1, the high-pressure fluid and the drive component 3 together provide rotational power for the rotating shaft 21.

[0026] The cleaning device of the present invention, on the one hand, accurately controls the rotational speed of the rotating shaft (i.e., the nozzle) through the drive component, which can avoid damage to the cleaning surface (such as damaging the paint on the surface of a ship) due to excessively high pressure of the high-pressure fluid causing the nozzle to rotate too fast, and also avoid poor cleaning effect due to insufficient pressure of the high-pressure fluid causing the nozzle to rotate too slowly, thus ensuring the cleaning effect of the cleaning device; on the other hand, by using the high-pressure fluid and the drive component to jointly drive the rotation of the rotating shaft, the driving force generated by the high-pressure fluid on the nozzle is rationally utilized, which not only saves energy and reduces emissions, making it more environmentally friendly, but also avoids the drive component being too large, increasing the counterweight and volume of the cleaning device, and reducing the scope of use and flexibility of the cleaning device. This is because if the rotating shaft is driven only by the drive component, a drive component with extremely high power is required, which would result in a large weight and volume of the drive component.

[0027] The driving effect of the drive component 3 and the high-pressure fluid on the rotating shaft 21 includes two cases: one is that the driving force directions of the drive component 3 and the high-pressure fluid on the rotating shaft 21 are the same, and the other is that the driving force directions of the drive component 3 and the high-pressure fluid on the rotating shaft 21 are opposite. Specifically, the rotational speed that can be achieved by driving the rotating shaft 21 solely with the high-pressure fluid is the fluid drive speed. When the fluid drive speed is greater than the preset rotational speed of the rotating shaft 21, the driving force directions of the drive component 3 and the high-pressure fluid on the rotating shaft 21 are opposite, that is, the driving effect produced by the drive component 3 should be reverse drive, that is, the drive component 3 and the high-pressure fluid drive the rotating shaft 21 in opposite directions, to avoid damage to the cleaning surface due to excessive nozzle rotational speed caused by excessive high pressure of the high-pressure fluid; when the fluid drive speed is less than or equal to the preset rotational speed of the rotating shaft 21, the driving force directions of the drive component 3 and the high-pressure fluid on the rotating shaft 21 are the same, that is, the driving effect produced by the drive component 3 should be forward drive, that is, the drive component 3 and the high-pressure fluid drive the rotating shaft 21 in the same direction, to ensure the cleaning effect of the cleaning component 2.

[0028] The high-pressure fluid refers to a fluid with a pressure of 5 MPa or higher, which can drive the rotating shaft 21 to rotate the nozzle 22. Preferably, the pressure of the high-pressure fluid is 6 to 300 MPa.

[0029] The fluid can be water, cavitation liquid, or a liquid mixed with cleaning agents to enhance the cleaning effect.

[0030] The flow supply component 1 includes an inlet pipe 11 and N connecting pipes 12 connected to the inlet pipe 11. One end of each connecting pipe 12 is connected to the inlet pipe 11, and the other end of each connecting pipe 12 is connected to the fluid channel 211 of the cleaning component 2. The high-pressure fluid is distributed from the inlet pipe 11 to the N cleaning components 2 (i.e., the connecting pipes 12 and the cleaning components 2 correspond one-to-one) through the N connecting pipes 12. The high-pressure fluid enters the fluid channel 211 and drives the rotating shaft 21 to rotate under the combined action of the high-pressure fluid and the drive component 3. The rotating shaft 21 drives the nozzle 22 to rotate synchronously, so that the rotation speed of the rotating shaft 21 can be precisely controlled, and the cleaning effect of the cleaning component 2 can be controlled.

[0031] According to one embodiment of the present invention, the inlet pipe 11 is connected to N connecting pipes 12 via a diverter 13 to evenly distribute high-pressure fluid into the N connecting pipes 12. That is, the supply assembly 1 includes a diverter 13, which is an N+1-way connector (exemplarily, when N=2, the diverter 13 is a three-way connector). The diverter 13 includes a main inlet 101 and N branch outlets 102 communicating with the main inlet 101. One end of the inlet pipe 11 is connected to the mechanism for supplying high-pressure fluid, and the other end of the inlet pipe 11 is connected to the main inlet 101. One end of the connecting pipe 12 is connected to the branch outlets 102, and the other end of the connecting pipe 12 is connected to the fluid channel 211 of the cleaning assembly 2 to introduce high-pressure fluid into the cleaning assembly 2.

[0032] It should be noted that, ideally, the high-pressure fluid entering from the main inlet of the diverter 13 is divided into N parts, and then introduced into the cleaning assembly 2 from the N branch outlets 102 through the connecting pipe 12. However, in actual applications, due to manufacturing processes, the degree of wear of components, and differences in connections, the pressure difference of the high-pressure fluid in the connecting pipe 12 may be different.

[0033] The four components—N branch outlets 102, N connecting pipes 12, N cleaning components 2, and N drive components 3—are each adapted and connected to each other.

[0034] Preferably, the main inlet 101 is located on the top end face of the diverter 13, and the branch outlet 102 is located on the side wall of the diverter 13. In this embodiment, N=2, that is, there are two connecting pipes 12, branch outlets 102, cleaning components 2, and driving components 3. To make the structure of the flow supply component 1 more compact, the two branch outlets 102 are located on the same side wall, and the connecting pipe 12 transitions from the branch outlet 102 to the cleaning component 2 in a semi-circular shape, that is, the shape of the connecting pipe 12 is a semi-circular tube. The inlet pipe 11 transitions in a straight line from the main inlet 101 to the mechanism for supplying high-pressure fluid, that is, the shape of the inlet pipe 11 is a straight tube.

[0035] The diverter 13 is provided with a diverter cavity. The main inlet 101 and the branch outlet 102 are connected to the diverter cavity. After the high-pressure fluid enters the diverter cavity from the main inlet 101, it flows into the connecting pipe 12 through the N branch outlets 102. The diverter cavity enables the high-pressure fluid to be diverted into the N connecting pipes 12 more quickly.

[0036] To facilitate maintenance of the flow supply component 1, the side wall of the flow divider 13 is provided with a detection port that connects to the flow divider cavity. The detection port is detachably provided with a maintenance cover 14, which is sealed to the detection port and is adapted to the shape of the detection port.

[0037] Preferably, the inlet pipe 11 and the connecting pipe 12 are detachably connected to the flow divider 13 for later maintenance and replacement, and to facilitate modularization of the flow supply assembly 1. To prevent leakage of high-pressure fluid, the inlet pipe and the connecting pipe are sealed to the flow divider.

[0038] According to one embodiment of the present invention, the cleaning assembly 2 further includes a cleaning disc 23 and a connecting cylinder 24. The cleaning disc 23 is mounted on the nozzle 22. The connecting cylinder 24 is detachably connected to the cleaning disc 23. The rotating shaft 21 is at least partially located within the connecting cylinder 24 and is rotatably connected to the connecting cylinder 24, meaning that the rotating shaft 21 can rotate relative to the connecting cylinder 24. One end of the rotating shaft 21 is connected to the driving assembly 3 for driving the rotating shaft 21 to rotate. The other end of the rotating shaft 21 extends into the cleaning disc 23 and is connected to the nozzle 22 so that the nozzle 22 rotates synchronously with the rotating shaft 21.

[0039] The cleaning disc 23 is provided with an assembly space for assembling the nozzle 22. The rotating shaft 21 drives the nozzle to rotate inside the cleaning disc under the combined drive of the high-pressure fluid and the drive component 3, which can generate negative pressure to make the cleaning disc adhere to the surface to be cleaned.

[0040] Specifically, the connecting cylinder 24 is provided with a first cavity 201 and an inlet 202 communicating with the first cavity 201. The inlet 202 is connected to the connecting pipe 12, that is, the connecting pipe 12 is connected to the cleaning assembly 2 through the inlet 202, and the high-pressure fluid enters the first cavity 201 through the inlet 202.

[0041] The rotating shaft 21 is provided with at least one fluid inlet 212 to connect the first cavity 201 and the fluid channel 211. High-pressure fluid enters the fluid channel 211 from the first cavity 201 through the fluid inlet 212, meaning the fluid inlet 212 is connected to both the first cavity 201 and the fluid channel 211. The fluid inlet 212 is located on the side wall of the rotating shaft 21 and within the first cavity 201. Preferably, the rotating shaft 21 is provided with multiple fluid inlets 212, and these multiple fluid inlets 212 are evenly distributed at the same height on the side wall of the rotating shaft 21 to quickly guide the high-pressure fluid in the first cavity 201 into the fluid channel 211. In this embodiment, four fluid inlets 212 are provided on the side wall of the rotating shaft 21.

[0042] To ensure that the high-pressure fluid enters the fluid channel of the rotating shaft 21 quickly, the position of the inlet 202 corresponds to the position of the fluid inlet 212 on the rotating shaft 21. That is, the fluid inlet 212 is opened at the position opposite to the inlet 202 on the rotating shaft 21. On the one hand, this facilitates the rapid entry of the high-pressure fluid into the fluid channel 211, and on the other hand, it facilitates the high-pressure fluid to drive the rotation of the rotating shaft 21.

[0043] The first cavity 201 is provided with a first connection port 203 and a second connection port 204 through which the two ends of the rotating shaft 21 pass. The sidewalls of the rotating shaft 21 are dynamically sealed to the first connection port 203 and the second connection port 204, respectively, to ensure the sealing of the first cavity 201 and prevent high-pressure fluid leakage without affecting the rotation of the rotating shaft 21. One end (the first end) of the rotating shaft 21 passes through the first connection port 203 and is connected to the drive assembly 3 for transmission, and the other end (the last end) of the rotating shaft 21 passes through the second connection port 204 and is connected to the nozzle 22.

[0044] To improve the cleaning effect of the cleaning assembly 2, the cleaning assembly 2 includes multiple nozzles 22. The end of the rotating shaft 21 (i.e., the end of the rotating shaft 21 that extends into the cleaning disc 23) has multiple fluid outlets 213 on its side wall. The number of fluid outlets 213 is the same as the number of nozzles 22. Each nozzle 22 communicates with a fluid channel 211 through its fluid outlets 213. The nozzles 22 and fluid outlets 213 are paired and correspond one-to-one. High-pressure fluid in the fluid channel 211 is introduced into the nozzles 22 through the fluid outlets 213. In this embodiment, there are three nozzles 22, and the three fluid outlets 213 are evenly distributed on the side wall of the end of the rotating shaft 21.

[0045] To ensure smooth flow of high-pressure fluid, the fluid channel 211 is a straight channel (preferably cylindrical), and the opening directions of the fluid inlet 212 and the fluid outlet 213 are both perpendicular to the centerline of the fluid channel. The fluid channel 211 coincides with the centerline of the rotating shaft 21.

[0046] To facilitate the assembly, maintenance, and modular design of the cleaning component 2, the rotating shaft 21 includes a detachably connected first rotating part 21a and a second rotating part 21b. Both the first and second rotating parts 21a and 21b are provided with channels for fluid passage; that is, the first and second rotating parts 21a and 21b together define the fluid channel 211. The fluid inlet 212 is located on the side wall of the first rotating part 21a, and the fluid outlet 213 is located on the side wall of the second rotating part 21b. The first rotating part 21a is located above the second rotating part 21b, meaning the lower end of the first rotating part 21a is detachably connected to the upper end of the second rotating part 21b, and their center lines coincide to ensure synchronous rotation of the first rotating part 21a and the second rotating part 21b.

[0047] The first rotating part 21a is detachably disposed within the first cavity 201 and is rotatably connected to the first cavity 201. One end of the first rotating part 21a passes through the first connection port 203 and is connected to the drive assembly 3. The side wall of the first rotating part 21a is provided with a fluid inlet 212 communicating with the first cavity. The other end of the first rotating part 21a passes through the second connection port 204 and extends into the cleaning tray 23, and is detachably connected to the second rotating part 21b. The side wall of the first rotating part 21a is dynamically sealed to the first connection port 203 and the second connection port 204, respectively. The drive assembly 3 and the high-pressure fluid jointly drive the first rotating part 21a to rotate.

[0048] The second rotating part 21b is located inside the cleaning tray 23. The top end of the second rotating part 21b is detachably connected to the first rotating part 21a so that the second rotating part 21b can rotate synchronously with the first rotating part 21a. The fluid outlet 213 is opened on the side wall of the second rotating part so as to connect with the nozzle 22 so that the nozzle 22 can rotate synchronously with the second rotating part 21b.

[0049] The sidewall of the first rotating part 21a is rotatably connected to the first connecting port 203 and the second connecting port 204 via bearings to ensure that the first rotating part 21a rotates relative to the connecting cylinder 24. The bottom of the connecting cylinder 24 is detachably connected to the top wall of the cleaning disc 23 via a flange.

[0050] To improve the connection performance between the first rotating part 21a and the second rotating part 21b, the first rotating part 21a is provided with an assembly hole 214 communicating with the fluid channel 211. The diameter of the assembly hole 214 is larger than the diameter of the fluid channel 211. A first connecting protrusion 215 is provided on the side wall of the first rotating part 21a at a position corresponding to the assembly hole 214. The top end of the second rotating part 21b mates with the assembly hole 214, and the top end of the second rotating part 21b can be inserted into the assembly hole 214. A second connecting protrusion 216 is provided on the side wall of the second rotating part 21b, which mates with the first connecting protrusion 215. After the second rotating part 21b is inserted into the assembly hole 214, the first connecting protrusion 215 and the second connecting protrusion 216 fit together and are detachably connected.

[0051] The first connecting protrusion 215 and the second connecting protrusion 216 are provided with detachable connecting parts at corresponding positions. For example, the first connecting protrusion 215 and the second connecting protrusion 216 are respectively provided with threaded holes, and the first connecting protrusion 215 and the second connecting protrusion 216 are detachably fixed by screws or bolts; or, one of the first connecting protrusion 215 and the second connecting protrusion 216 is provided with a locking hole, and the other is provided with a buckle that cooperates with the locking hole. The through hole buckle and the locking hole detachably fix the first connecting protrusion 215 and the second connecting protrusion 216.

[0052] In practical applications, the first connecting protrusion 215 and the second connecting protrusion 216 can be any component that can detachably connect the two, and are not limited to the two connection methods mentioned above.

[0053] The structure of the rotating shaft 21 is designed such that the cylinder 24 and the first rotating part 21a are connected as one module, the second rotating part 21b and the nozzle 22 are connected as one module, and the upper (outer) and lower (inner) cleaning disc 23 are divided into two detachable modules, which facilitates the assembly, maintenance and replacement of the cleaning assembly 2.

[0054] The nozzle 22 can be detachably connected to the second rotating part 21b for easy maintenance and replacement. Alternatively, the nozzle 22 can be integrally formed with the second rotating part 21b to improve the connection strength and ensure the cleaning power of the cleaning assembly 2.

[0055] To ensure that the high-pressure fluid is not leaked during transportation, all connections between any components at the point where the high-pressure fluid is transported are sealed. For example, the connection between the inlet and the connecting pipe, the connection between the first rotating part and the connecting cylinder, the connection between the first rotating part and the second rotating part, and the connection between the nozzle and the second rotating part are all sealed. The connection between the first rotating part and the connecting cylinder is a dynamic seal to ensure the smooth rotation of the first rotating part.

[0056] To facilitate the driving of the rotating shaft 21 by the drive assembly 3, the top of the rotating shaft 21 is provided with a groove 217 that mates with the drive shaft 31 of the drive assembly 3. The groove 217 is non-cylindrical, meaning its cross-section is non-circular, to ensure that the drive shaft can drive the rotating shaft 21 to rotate synchronously. In this embodiment, the groove 217 includes a cylindrical groove 217a and a protruding groove 217b that communicates with the cylindrical groove 217a, meaning the protruding groove 217b is disposed on the side wall of the cylindrical groove 217a.

[0057] According to one embodiment of the present invention, the drive assembly 3 includes a drive motor 32, a motor housing 33, a transmission housing 34, and a drive shaft 31. The drive motor 32 is located within the motor housing 33, and the drive shaft 31 is located within the transmission housing 34. The transmission housing 34 is detachably connected to the motor housing 33. The output shaft 321 of the drive motor 32 extends from the motor housing 33 into the transmission housing 34 and is detachably connected to the drive shaft 31. One end of the drive shaft 31 is driveably connected to the output shaft 321 so that the drive motor 32 drives the drive shaft 31 to rotate via the output shaft 321. The other end of the drive shaft 32 extends from the transmission housing 34 and is driveably connected to the rotating shaft 21 so that the rotating shaft 21 rotates synchronously with the drive shaft 32.

[0058] The output shaft 321 is rotatably connected to the motor housing 33. The motor housing 33 is provided with a first communication port through which the output shaft 321 passes. The side wall of the output shaft 321 is rotatably connected to the first communication port. For example, the output shaft 321 is rotatably connected to the motor housing 33 through a bearing.

[0059] The drive shaft 31 is rotatably connected to the transmission compartment 34. The transmission compartment 34 is provided with a second connecting port and a second connecting port through which the two ends of the drive shaft 31 pass. The sidewalls of the drive shaft 31 are rotatably connected to the first connecting port and the second connecting port, respectively. For example, the drive shaft 31 is rotatably connected to the transmission compartment 34 through multiple bearings.

[0060] The motor compartment 33 is located above the transmission compartment 34, meaning that the bottom end of the motor compartment 33 is detachably connected to the top end of the transmission compartment 34. For example, the two are detachably connected via a flange. The center lines of the output shaft 321, the first connecting port, the drive shaft 31, the second connecting port, and the third connecting port coincide.

[0061] One end of the drive shaft 31 is provided with a slot 311 that mates with the output shaft 321, and the other end of the drive shaft 31 is provided with a plug-in portion 312 that mates with the slot 217. The plug-in portion 312 includes a cylindrical portion 312a and a protrusion 312b. The protrusion 321b is located on the side wall of the cylindrical portion 312a, and the cylindrical portion 312a mates with the cylindrical groove 217a, and the protrusion 312b mates with the protrusion groove 217b, so that the plug-in portion 312 can be inserted into the slot 217, so that the drive shaft 31 can drive the rotating shaft 21 to rotate synchronously.

[0062] The shape of the slot portion 311 is the same as that of the slot 217, and the shape of the part of the output shaft 321 inserted into the slot portion 311 is the same as that of the insertion portion 312, which will not be described in detail here.

[0063] The motor compartment 33 and the transmission compartment 34 are watertight compartments, meaning that the output shaft is connected to the motor compartment by a dynamic seal, and the drive shaft is connected to the transmission compartment by a dynamic seal.

[0064] For example, the present invention uses H-type oil seals or Glyd rings as dynamic seals to ensure that the motor is effectively protected when working underwater and that high-pressure fluid does not leak out.

[0065] To ensure the airtightness of the motor compartment 33, an inflation valve is provided on the top of the motor compartment 33. The inflation valve is configured to inject gas into the motor compartment 33 at a preset pressure. When the motor compartment is not properly sealed, the high-pressure gas inside the compartment can reduce the entry of external seawater into the compartment to a certain extent.

[0066] Preferably, the motor compartment 33 is also equipped with a temperature and humidity sensor. The temperature and humidity sensor is configured to detect the temperature and humidity inside the motor compartment 33 and upload the detected temperature and humidity data to the controller of the cleaning device and / or the host computer of the cleaning device. The controller determines whether the motor compartment is leaking based on the detected temperature and humidity data. When it is determined that the motor compartment is leaking, the controller promptly issues an alarm signal to remind the staff to stop the cleaning work of the cleaning device for maintenance.

[0067] Preferably, the drive motor 32 is a servo motor, or the drive motor 32 is equipped with a speed feedback encoder, which can feed back its output shaft speed to the controller and / or the host computer. When the feedback speed differs from the preset speed by more than a preset difference, it indicates that foreign objects or other abnormalities may have entered the cleaning tray, and the user needs to perform timely maintenance to avoid normal cleaning operations.

[0068] To facilitate the assembly of the cleaning device onto underwater cleaning robots and other mechanisms requiring cleaning, the cleaning device further includes a connecting main beam 4. The connecting main beam 4 is configured to assemble the flow supply component 1, N sets of cleaning components 2, and N sets of drive components 3 onto underwater cleaning robots and other mechanisms requiring cleaning. Specifically, the connecting main beam 4 includes a central assembly section 41 and N supporting assembly sections 42. The supporting assembly sections 42 are evenly arranged outside the central assembly section 41, and the N supporting assembly sections 42 are equidistant from the central assembly section 41.

[0069] The flow supply component 1 is detachably installed in the central assembly part 41. N sets of cleaning components 2 and N sets of drive components 3 are respectively arranged opposite to each other in N support assembly parts 42. That is, a set of cleaning components 2 and a set of drive components 3 are installed on both sides of a support assembly part 42, and the drive shaft 31 passes through the support assembly part 42 and is connected to the rotating shaft 21 for transmission. Therefore, the support assembly part 42 is provided with a window 401 for the transmission connection between the drive components 3 and the cleaning components 2.

[0070] Preferably, the diverter 13 of the flow supply component 1 is detachably disposed below the central assembly part 41. The drive component 3 and the cleaning component 2 are disposed on the upper and lower sides of the support assembly part 42, respectively; that is, the transmission chamber 34 of the drive component 3 is detachably disposed above the support assembly part 42, and the connecting cylinder 24 of the cleaning component 2 is detachably disposed below the support assembly part 42. The insertion part 312 of the drive shaft 31 passes through the window 401 and is inserted into the slot 217 of the rotating shaft 21 to enable the drive component 3 to drive the cleaning component 2. Exemplarily, the bottom of the transmission chamber 34 and the top of the connecting cylinder 24 are detachably connected to the support assembly part 42 via flanges.

[0071] Preferably, the transmission compartment 34, the connecting cylinder 24, and the support assembly 42 are connected in a sealed manner.

[0072] The central assembly 41 and the N supporting assemblies 42 are connected by the main beam frame 43 to make the structure of the cleaning device more stable. For example, when N=2, the main beam frame 43 is a straight frame, with two supporting assemblies 42 located at both ends of the main beam frame 43, and the central assembly 41 located below the center of the main beam frame 43. When N=3, the outer contour of the main beam frame 43 is an equilateral triangle frame, and the inner skeleton includes three reinforcing ribs. The reinforcing ribs connect the center of the equilateral triangle to a certain corner, extending from the center to the three corners to form the inner skeleton. The central assembly 41 is located at the center point, and the supporting assemblies 42 are located at the three corners. Similarly, the outer contour of the main beam frame 43 is a regular N-sided polygon frame, and the inner skeleton includes N reinforcing ribs. The reinforcing ribs connect the center to a certain corner, with the central assembly 41 located at the center point, and the supporting assemblies 42 located at the N corners. Preferably, N=∈[2,4].

[0073] In this embodiment, the cleaning device is detachably mounted on an underwater cleaning robot or other mechanism requiring a cleaning device via a support assembly 42. Specifically, the support assembly 42 is detachably connected to the main frame of the underwater cleaning robot or other mechanism requiring a cleaning device. The support assembly 42 extends connecting protrusions 421 on both sides of the window 401, and the connecting protrusions 421 achieve a detachable connection with the main frame. To control the distance between the cleaning disc 23 and the surface to be cleaned, at least one pad 44 is provided between the connecting protrusion 421 and the main frame. The pads 44 can be of the same thickness, and the distance between the cleaning disc 23 and the surface to be cleaned can be adjusted by adjusting the number of pads 44. Alternatively, the pads 44 can be of different thicknesses, and the distance between the cleaning disc 23 and the surface to be cleaned can be adjusted by adjusting the number and / or thickness of the pads 44. In this embodiment, the pads 44 have three thicknesses: 2mm, 5mm, and 10mm. Different heights can be obtained by combining different pads, thereby adjusting the cleaning target distance.

[0074] To facilitate control of the cleaning effect of all cleaning components, the cleaning device also includes a controller. The controller is electrically connected to the motors of N cleaning components. The controller is configured to simultaneously control the rotation speed of the motors of at least N cleaning components 2. This configuration ensures that the nozzles of all cleaning components 2 rotate at the same speed, thereby guaranteeing that the adsorption and cleaning effects of all cleaning components 2 are the same.

[0075] The controller can be installed separately on the connecting main beam 4, or it can be integrated into an underwater cleaning robot or other mechanism that requires a cleaning device, so that the user can operate it.

[0076] Compared to cleaning devices that rely solely on high-pressure water, the composite-driven cleaning device of the present invention has at least one of the following advantages: (1) Simply relying on high-pressure water to drive the nozzle rotation requires increasing the nozzle diameter if a higher rotation speed is needed, which in turn increases the power and volume of the pump unit. Increasing the nozzle diameter to improve the nozzle rotation speed not only wastes energy but also increases the overall size and weight of the equipment. The cleaning device of the present invention is small in size, light in weight, and can save energy. High-pressure water is used to drive the nozzle rotation as the main driving force to overcome the mechanical friction and water resistance during nozzle rotation. A drive motor with speed feedback is used as an auxiliary driving force, which can enable the nozzle to have a higher rotation speed. The higher the nozzle rotation speed during cleaning, the greater the adsorption force of the cavitation cleaning device and the better the cleaning effect.

[0077] (2) Relying solely on high-pressure water to drive the spray bar rotation can lead to inconsistent rotation speeds of the spray pipes in the two cleaning components due to differences in water supply pressure and seal wear between the two cavitation cleaning components. This results in different adsorption forces and cleaning effects. In the cleaning device of the present invention, the driving force provided by the drive motor can balance the driving forces of the two spray pipes, making their rotation speeds relatively consistent, thereby ensuring consistent adsorption forces and cleaning effects.

[0078] (3) Relying solely on high-pressure water to drive the nozzle rotation does not provide feedback on the nozzle's underwater status. For example, if foreign objects such as oysters get stuck between one side of the nozzle and the cavitation disc, the nozzle cannot rotate, thus affecting the cleaning effect. The cleaning device of the present invention, because the drive motor can provide feedback on the rotation speed, can monitor the nozzle rotation speed in real time in conjunction with the host computer and / or controller. Abnormal situations can be dealt with in a timely manner to avoid affecting normal cleaning operations.

[0079] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A composite-driven cleaning device, characterized in that, include: The flow supply assembly is configured to provide at least a high-pressure fluid for cleaning to the cleaning device; N sets of cleaning components, each cleaning component including a rotating shaft and a nozzle, the nozzle being able to rotate synchronously with the rotating shaft; the rotating shaft is provided with a fluid channel, the fluid channel being connected to the flow supply component and the nozzle respectively, so that the high-pressure fluid is sprayed out from the nozzle through the fluid channel for cleaning the surface to be cleaned; N sets of drive components, each drive component corresponding to one of the cleaning components, the drive components being configured to provide at least a portion of the driving force to the rotating shaft and to control the rotational speed of the rotating shaft; Where N≥1, the high-pressure fluid and the drive assembly together provide rotational power for the rotating shaft; The rotational speed that the high-pressure fluid can drive on the rotating shaft is the fluid drive speed. When the fluid drive speed is greater than the preset speed of the rotating shaft, the driving force of the drive component and the high-pressure fluid on the rotating shaft are in opposite directions. When the fluid drive speed is less than or equal to the preset speed of the rotating shaft, the driving force of the drive component and the high-pressure fluid on the rotating shaft is in the same direction.

2. The cleaning device according to claim 1, characterized in that, The flow supply component includes an inlet pipe and N connecting pipes. One end of each connecting pipe is connected to the inlet pipe, and the other end of each connecting pipe is connected to the fluid channel of the cleaning component. Each of the connecting pipes corresponds to one of the cleaning components.

3. The cleaning device according to claim 2, characterized in that, The inlet pipe is connected to N connecting pipes via a flow divider; The diversion component includes a main inlet and N branch outlets connected to the main inlet; One end of the inlet pipe is connected to the mechanism for supplying high-pressure fluid, and the other end of the inlet pipe is connected to the main inlet; One end of the connecting pipe is connected to the outlet, and the other end of the connecting pipe is connected to the fluid channel of the cleaning assembly. The connecting pipe corresponds one-to-one with the branch outlet.

4. The cleaning device according to claim 1, characterized in that, The cleaning assembly also includes a cleaning disc and a connecting cylinder; The cleaning disc is mounted on the spray pipe; The connecting cylinder is detachably connected to the cleaning disc; The rotating shaft is at least partially located within the connecting cylinder, and is rotatably connected to the connecting cylinder; one end of the rotating shaft is connected to the drive assembly, and the other end of the rotating shaft extends into the cleaning disc and is connected to the spray nozzle.

5. The cleaning device according to claim 4, characterized in that, The connecting cylinder is provided with a first cavity and an inlet communicating with the first cavity, and the inlet is connected to the connecting pipe of the supply assembly; The rotating shaft is provided with at least one fluid inlet, which is connected to the first cavity and the fluid channel; The position of the inlet corresponds to the position where the rotating shaft has a fluid inlet; The first cavity is provided with a first connection port and a second connection port for the two ends of the rotating shaft to pass through, and the side wall of the rotating shaft is dynamically sealed to the first connection port and the second connection port respectively; The cleaning assembly includes multiple nozzles; the rotating shaft is provided with multiple fluid outlets, the number of fluid outlets being the same as the number of nozzles, and each nozzle and each fluid outlet corresponding to the other.

6. The cleaning apparatus according to claim 5, characterized in that, The rotating shaft includes a first rotating part and a second rotating part that are detachably connected. The first rotating part and the second rotating part together define the fluid channel. The fluid inlet is opened on the side wall of the first rotating part, and the fluid outlet is opened on the side wall of the second rotating part. The first rotating part is detachably disposed in the first cavity. One end of the first rotating part passes through the first connection port and is connected to the drive assembly. The other end of the first rotating part passes through the second connection port and extends into the cleaning tray and is detachably connected to the second rotating part. The second rotating part is located inside the cleaning tray, and the top end of the second rotating part is detachably connected to the first rotating part. The fluid outlet is opened on the side wall of the second rotating part. The first rotating part is provided with an assembly hole that communicates with the fluid channel, and the diameter of the assembly hole is larger than the diameter of the fluid channel; a first connecting protrusion is provided on the side wall of the first rotating part at a position corresponding to the assembly hole; The top end of the second rotating part mates with the mounting hole, and the top end of the second rotating part can be inserted into the mounting hole; the side wall of the second rotating part is provided with a second connecting protrusion that mates with the first connecting protrusion; The second rotating part is inserted into the assembly hole, and the first connecting protrusion and the second connecting protrusion are fitted together and detachably connected.

7. The cleaning device according to claim 1, characterized in that, The drive assembly includes a drive motor, a motor housing, a transmission housing, and a drive shaft. The drive motor is located inside the motor housing, and the drive shaft is located inside the transmission housing. The transmission housing and the motor housing are detachably connected. The output shaft of the drive motor extends from the motor housing into the transmission housing and is detachably connected to the drive shaft; the output shaft is rotatably connected to the motor housing. One end of the drive shaft is connected to the output shaft, and the other end of the drive shaft extends out of the transmission compartment and is connected to the rotating shaft; the drive shaft is rotatably connected to the transmission compartment. The drive motor is a servo motor, or the drive motor is equipped with a speed feedback encoder so as to feed back the output shaft speed of the drive motor to the controller and / or host computer of the cleaning device.

8. The cleaning apparatus according to any one of claims 1 to 7, characterized in that, The cleaning device also includes a connecting main beam, which is configured to assemble the flow supply component, N sets of cleaning components and N sets of drive components onto the mechanism that requires the cleaning device. The connecting main beam includes a central assembly section and N support assembly sections. The support assembly sections are evenly arranged on the outside of the central assembly section, and the N support assembly sections are at the same distance from the central assembly section. The flow supply component is detachably installed in the central assembly section; N sets of cleaning components and N sets of drive components are respectively arranged on both sides of N support assembly parts; The central assembly section and the N branch assembly sections are connected by the main beam frame; N=2, the main beam frame is a straight frame, the two support assembly parts are located at both ends of the main beam frame, and the central assembly part is located at the center and below the main beam frame.

9. The cleaning apparatus according to any one of claims 1 to 7, characterized in that, The cleaning device also includes a controller configured to simultaneously control the rotational speed of the drive motors of at least N cleaning components.

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