A ship surface rust removal device

Abstract

The present application provides a kind of ship surface rust removal device, comprising: fixed mechanism (1), rust removal device carrying body (2), rust removal mechanism (3), waste recovery mechanism (4) and moving mechanism (5), the fixed mechanism (1) is located at the top of rust removal device carrying body (2), for connecting the rust removal device carrying body (2) and aerial work platform;The aerial work platform is used as the auxiliary power source of ship surface rust removal device, to control the rust removal device moves before, after, left and right on the surface of ship;One end of the rust removal mechanism (3) is exposed to the bottom of rust removal device carrying body (2) and is in contact with the working surface of the surface of ship, for rust removal on the surface of ship;The waste recovery mechanism (4) is located inside rust removal device carrying body (2), and its tail end is connected with negative pressure suction filtration device through corrugated pipe, for recovering the waste produced in rust removal operation;The moving mechanism (5) is arranged at the side of the rust removal device carrying body (2), and is directly in contact with the working surface.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ship surface rust removal and corrosion prevention, and particularly relates to a ship surface rust removal device. BACKGROUND

[0002] Before a new ship is launched, the corrosion prevention work of the ship body assembly can be completed before the ship body assembly. However, after the whole ship is launched and sails in the ocean for a period of time, the surface of the ship body shell is prone to rust due to electrochemical corrosion and marine biological corrosion. Even if isolation corrosion prevention and electrochemical corrosion prevention are used, this event cannot be prevented. When the corrosion phenomenon has occurred, the ship body surface should be repaired in time, that is, surface rust removal and secondary corrosion prevention treatment. However, due to the large size of the ship (especially various large transport ships and offshore oil drilling platforms and other offshore facilities), when the ship body surface is corroded, the surface rust removal and secondary coating work can only be carried out in the ship dock, and such large-area ship surface rust removal work has very high requirements for rust removal efficiency and rust removal quality. On the one hand, the entire ship surface needs to be fully rust-removed within a few days. On the other hand, the ship body surface after rust removal needs to meet certain rust removal quality and surface roughness (GB 8923 Sa 2.5, GB / T 13288 intermediate) to meet the adhesion requirements of the coating material.

[0003] At present, the main ship body surface rust removal methods can be divided into the following three types: 1. manual ship rust removal; 2. chemical ship rust removal; and 3. mechanical ship rust removal. Among them, manual ship rust removal is the longest applied and the most widely used ship rust removal method. Manual ship rust removal mainly uses manpower as the main labor force, and the rust removal workers are equipped with tools such as hammers, chisels, scrapers, and wire brushes. However, due to the low efficiency and poor rust removal quality of manual rust removal, in such a background, manual ship rust removal has been replaced by mechanical ship rust removal and chemical ship rust removal in the early 21st century. Chemical ship rust removal is a ship rust removal method that uses acid to react with metal oxides to generate soluble metal ion salts to remove the rust layer on the surface of the ship. Compared with manual ship rust removal, chemical rust removal has higher cost and higher requirements for the operating environment, and it can only be operated in a workshop, which is not suitable for dock operations. In addition, during the chemical rust removal process, the steel that has not been corroded will also be corroded by the acid, which is easy to cause irreversible damage to the ship. Moreover, the waste water generated by chemical rust removal is hazardous waste, and the treatment of hazardous waste is difficult and costly, which does not meet the requirements of environmental protection and is not conducive to the sustainable development of enterprises.

[0004] Compared with manual and chemical ship rust removal, mechanical ship rust removal gradually occupies the ship rust removal market with its advantages of high efficiency and low cost. The existing mechanical ship rust removal mainly includes sand blasting and ultra-high pressure water jetting. Sand blasting uses compressed air as power to form a high-speed jet beam, and then high-speed sprays the abrasive (garnet sand, copper ore sand, quartz sand, corundum sand, iron sand, Hainan sand, etc.) to the rusted ship surface, so that the rust layer falls off from the ship surface under the high-speed impact of the abrasive, thereby achieving the purpose of ship surface rust removal. Compared with manual rust removal, sand blasting is simple and convenient, and has high rust removal efficiency. However, this method has high energy consumption, great dust and noise pollution, and intensive labor. Therefore, sand blasting has been gradually banned since the beginning of this century. Compared with sand blasting, ultra-high pressure water jetting is a relatively environmentally friendly and economical new type of ship rust removal method. The water pressure reaches 1500 bar by using a high-pressure water generation system, and the rust layer falls off in the collision process with the jet water by using the ultra-high kinetic energy of high-pressure water. Ultra-high pressure water jetting does not produce dust pollution, and can also remove rust from special parts (such as valves, etc.). In addition, this method can also effectively remove the soluble salt on the surface of the ship to reduce the influence of the adhesion of the coating to the ship surface. However, ultra-high pressure water jetting also has certain limitations. On the one hand, due to the very small Young's modulus of water, no matter how high the water pressure is, it is difficult to make the treated steel surface reach a high enough roughness (≧ intermediate), so that the chelation degree of the secondary spraying is not good enough, and the coating is easy to peel and bubble; on the other hand, the steel treated by high-pressure water is prone to flash rust, and the treatment of flash rust often depends on complex and expensive water-based anti-flash rust agents. On the one hand, the use of water-based anti-flash rust agents increases the rust removal cost, and on the other hand, the water-based anti-flash rust agents greatly reduce the adhesion between the subsequent oil-based paint and the ship surface. Most importantly, ultra-high pressure water rust removal requires a large amount of fresh water resources. According to the search and analysis of existing technical documents, Chinese patent CN206781910U uses ultra-high pressure water jetting method for rust removal, and the water consumption per minute reaches 37-120L. When treating a ship with a surface area of 100,000 square meters, the water consumption can reach 7500-12000 tons, causing a large waste of fresh water resources and pollution of fresh water resources, which does not conform to the current green development and low-carbon development concept.

[0005] In view of the above ship rust removal methods and rust removal difficulties, it is particularly important to develop a high-efficiency rust removal device that does not require the use of water resources, effectively reduces energy consumption, has no dust pollution, does not require sewage treatment, and has low labor cost during ship surface rust removal operation. In fact, shipyards are rigidly equipped with overhead working vehicles and high-power negative pressure suction devices (or industrial dust collectors) for ship operation. By using the existing equipment configuration of the shipyard, a new rust removal device can be developed, which may effectively reduce the construction cost while taking into account the rust removal efficiency and effect, and effectively reduce the environmental pollution and wastewater treatment problems.

[0006] The aerial work platform of the shipyard is generally used for manual sand blasting, surface painting, surface repair and other high-altitude operations. Since the construction personnel need to work in the operation platform of the aerial work platform, the console of the aerial work platform is often mounted on the operation platform of the aerial work platform to prevent collision between the aerial work platform and the ship body during operation, which may cause danger to personnel and equipment. The operator can stand in the operation platform to operate the aerial work platform to move forward, backward, up, down, left and right. Since the operator must be carried, the carrying capacity of this type of aerial work platform is generally low. Generally speaking, the maximum load limit of the aerial work platform in the dock is about 250 kg, and after excluding the operator and the construction personnel, the remaining carrying capacity is only about 100 kg, and the safe load is even lower than 50 kg. Therefore, if a new type of rust removal equipment is to be developed using the existing aerial work platform of the shipyard, the mass of the developed rust removal device must be lighter to ensure the safety of personnel and equipment during rust removal. Light weight rust removal equipment often cannot provide enough impact force (or pressure, torque, etc.) to meet the rust removal requirements. For example, the mass of a 1500 bar high pressure water generating system is generally more than 200 kg, and other equipment below this mass often cannot reach 1500 bar high pressure. Therefore, a light mass, high power rust removal equipment that can ensure safety and rust removal quality must be developed. The high-power filtration equipment of the shipyard is generally used for sewage discharge and cargo transfer in the water-tight cabin and cargo cabin of the ship cabin. The running power of this type of filtration equipment is large, which can generate very high negative pressure (-30 kPa), and is suitable for liquid filtration, gas and particulate solid suction.

[0007] According to the existing equipment in the dock, whether a new type of mechanical rust removal equipment can be developed, on the one hand, the aerial work capability of the aerial work platform can be used to realize the omnidirectional treatment of the entire ship surface; on the other hand, the negative pressure filtration function of the existing filtration equipment can be used to collect rust, paint debris and other debris generated during rust removal. Such a device can not only meet the rust removal treatment requirements of the ship surface, but also meet the technical requirements of not using water resources, effectively reducing energy consumption, no dust pollution, no sewage treatment, low labor cost and high efficiency of rust removal. However, since the ship surface has a certain curvature, the working surface of the rust removal equipment is often changing, so the rust removal equipment should also meet the demand of working on various small curvature planes. At the same time, the surface curvature often leads to poor fit between the rust removal equipment and the working plane, and the rust powder and paint debris generated during the rust removal process may fall onto the ship surface or the dock interior, causing pollution. The developed equipment must ensure high waste collection effect.

[0008] In view of the above ship rust removal method and the existing technology of the shipyard, a high-efficiency rust removal device which can directly use the existing aerial work vehicle and filtration equipment (or industrial dust collector) of the shipyard, does not need to use water resources, can effectively reduce energy consumption, has no dust pollution, does not need sewage treatment, and has low labor cost is particularly important. SUMMARY

[0009] The present application aims at the deficiencies of the prior art, and provides a novel device for ship surface rust removal.

[0010] To achieve the above object, the present application provides a ship surface rust removal device, comprising a fixing mechanism (1), a rust removal device carrying body (2), a rust removal mechanism (3), a waste residue recovery mechanism (4) and a moving mechanism (5), characterized in that the fixing mechanism (1) is located at the top end of the rust removal device carrying body (2) and is used to connect the rust removal device carrying body (2) and the aerial work vehicle; the aerial work vehicle serves as an auxiliary power source of the ship surface rust removal device to control the rust removal device to move forward, backward, left and right on the ship surface; one end of the rust removal mechanism (3) is exposed to the bottom of the rust removal device carrying body (2) and is in contact with the working surface of the ship surface; the moving mechanism (5) is arranged at the side edge of the rust removal device carrying body (2) and is in direct contact with the working surface.

[0011] Preferably, the ship surface rust removal device adopts the principle of mechanical rust removal, uses steel wire as a basic rust removal unit, and does not need to use water resources in the rust removal process.

[0012] Preferably, the fixing mechanism (1) comprises an operating arm (6), a universal ball base (8) and a fixing spring (9); one end of the operating arm (6) is connected to the aerial work vehicle, and the other end is connected to a universal ball (11); one end of the fixing spring (9) is connected to an operating arm spring hook (7) on the operating arm (6), and the other end is connected to a carrying body spring hook (14) at the top end of the rust removal device carrying body (2); when the universal ball (11) on the operating arm (6) and the fixing spring (9) act together, the posture of the rust removal device can be adjusted at a small angle, so that the rust removal device can better fit the partially curved ship surface under the pressure provided by the aerial work vehicle, and the fitting degree of the rust removal device and the ship surface is improved.

[0013] Preferably, the improvement of the fitting degree includes one or more of the following ways: universal ball (11), fixing spring (9), U-shaped piece, hydraulic platform.

[0014] Preferably, the rust removal mechanism (3) comprises a rust removal motor (17), a rotor bevel gear (18), a transmission gear (19), a motor fixed base (20), an isolation cylinder (21), a bowl-shaped steel wire brush assembly (22); the rust removal motor (17) is located directly above the motor fixed base (20), and the rust removal motor (17) is connected with the motor fixed base (20) through a motor fixed hole (23), a motor base (55) and a fixing bolt; the motor fixed base (20) is located inside the rust removal device carrying body (2), is located directly above the bowl-shaped steel wire brush assembly (22) and is located at the upper part of the rust removal mechanism (3); the rust removal motor (17) can provide power required for rust removal for the bowl-shaped steel wire brush assembly (22).

[0015] Preferably, the bowl-shaped steel wire brush assembly (22) is composed of a bowl-shaped steel wire brush (32) clamped into a bowl-shaped steel wire brush limiting hole (34) on the surface of a bowl-shaped steel wire brush fixing disc (31) and then fixed by a fixing clamp plate (33) through a bowl-shaped steel wire brush fixing hole (35).

[0016] Preferably, the rust removal device carrying body (2) is a three-dimensional closed structure, and the rust removal mechanism (3) and the waste residue recovery mechanism (4) are arranged inside the rust removal device carrying body (2); the working ends of the rust removal mechanism (3) and the waste residue recovery mechanism (4) are exposed directly below the rust removal device carrying body (2); the rust removal mechanism (3) and the rust removal device carrying body (2) are connected through a Z-shaped iron (27), a base-isolation cylinder connecting hole (28), a base fixing hole (29), a Z-shaped iron fixing hole (30) and a riveted bolt; the tail end of the waste residue recovery mechanism (4) is connected with the suction filter port (26) on the side surface of the isolation cylinder (21) of the rust removal mechanism (3), and the other end is connected with a suction filter equipment interface (39) on the back of the rust removal device carrying body (2).

[0017] Preferably, the no-load rotating speed of the rust removal motor (17) is not less than 10000 rpm / min, the torque is higher than 1.5 kg·m, and the mass is less than 2 kg; the motor rotor (53) of the rust removal motor (17) is directed to the center of the motor fixed base (20); the torque of the rust removal motor (17) provides a large enough torsion for the bowl-shaped steel wire brush assembly (22) to meet the needs of rust removal work through a torque collection and regulation device.

[0018] Preferably, the torque collection and regulation device comprises a transmission gear (19), a rotor bevel gear (18) and an output shaft; the transmission gear (19) is installed at the front end of the motor rotor (53) of the rust removal motor (17); the rotor bevel gear (18) is connected with the transmission gear (19) and cooperates with the transmission gear (19) to converge the torques of all rust removal motors (17) and adjust the direction of the total torque to a direction parallel to the working surface.

[0019] Preferably, the torque collection and regulation device includes, but is not limited to, rotor bevel gear engagement, helical gear engagement, disc gear engagement, belt drive.

[0020] Preferably, the waste recovery mechanism (4) includes: a suction device interface (39), a corrugated pipe (40), and a corrugated pipe-suction port adapter (41). The front end of the corrugated pipe-suction port adapter (41) is connected to the suction port (26) on the isolation cylinder (21) in the rust removal mechanism (3), and is located below the ship rust removal device carrier body (2) and around the bowl-shaped steel wire brush (32) with a spacing of less than 3mm from the working surface to ensure the recovery of rust and paint waste generated during 100% rust removal operation. The rear end of the corrugated pipe-suction port adapter (41) is connected to the corrugated pipe (40), which converges through the inside of the ship rust removal device carrier body (2) to the suction device interface (39) at the back of the ship rust removal device carrier body (2). The rear end of the suction device interface (39) is connected to the negative pressure suction device in the shipyard through the corrugated pipe.

[0021] Preferably, the moving mechanism (5) includes universal wheels (42), angle irons (43), universal wheel fixing bolts (44), and triangular irons (45). The moving mechanism (5) is connected below the angle iron (43) through the universal wheel fixing bolt (44). The side of the angle iron (43) has four angle iron-body connection holes (46), and the angle iron (43) is fixed with the rust removal device carrier body (2) through the four angle iron-body connection holes (46) and riveted bolts.

[0022] Preferably, a large number of special steel wires (36) with a diameter less than 1mm and a length greater than 3mm are fixed on the bowl-shaped steel wire brush (32). The surface of the special steel wire (36) is plated with copper, and the distribution density of the special steel wire (36) is uniform, with more than thirty in each square centimeter.

[0023] Preferably, the bowl-shaped steel wire brush fixing disc (31) is a steel center-symmetric disc with a base connection hole (56) in the center and a plurality of bowl-shaped steel wire brush fixing holes (35) symmetrically distributed near the edge. The two sides of the bowl-shaped steel wire brush fixing hole (35) have two crescent-shaped bowl-shaped steel wire brush limiting holes (34). The bowl-shaped steel wire brush limiting hole (34) and the bowl-shaped steel wire brush fixing hole (35) are both center-symmetric, which can improve the requirement of angular momentum isotropy, improve the rotational stability of the rust removal mechanism (3), reduce the wear degree of the rotating parts, and prolong the service life of the device.

[0024] Preferably, the bowl-shaped steel wire brush assembly (22) includes, but is not limited to, a bowl-shaped steel wire brush (32) combined with a bowl-shaped steel wire brush fixing disc (31).

[0025] Preferably, the ship rust removal device further comprises a waste residue blocking brush (49) fixed below the rust removal device carrying body (2) and located between the working plane and the rust removal device carrying body (2), which is used to improve the adhesion of the rust removal device to the ship surface, block the solid waste generated during the rust removal process, and prevent leakage.

[0026] Preferably, the waste residue blocking brush (49) is composed of hundreds of vertically arranged polyethylene terephthalate fibers and a fiber fixing base. The polyethylene terephthalate fibers are not closely arranged, and external air can enter the rust removal device carrying platform through the gaps between the fibers. Under the action of the negative pressure suction device, a high-speed airflow is formed, which enhances the waste recovery capacity.

[0027] Preferably, the gap between the polyethylene terephthalate fibers cannot be greater than 3mm, which plays a role in blocking waste residues to prevent the waste residues generated during the rust removal process from falling out of the fibers into the dock. Further, the diameter of the polyethylene terephthalate fibers cannot be greater than 3mm, and the length cannot be less than 5mm, which should ensure a certain flexibility to produce small amplitude deformation under the pressure provided by the aerial work platform, thereby enhancing the adhesion of the rust removal device to the ship surface.

[0028] The ship rust removal device realized by the present application uses a high-speed rotating bowl-shaped steel wire brush as a rust removal unit, which has the following advantages compared with the prior art:

[0029] First, since the bowl-shaped steel wire brush is used for rust removal, no consumables such as spraying, water, and rust remover are needed during rust removal, which saves resources and meets the basic national conditions of green development and carbon neutralization.

[0030] Second, since the bowl-shaped steel brush is used for rust removal, the rust removal speed is faster, the rust removal area is wider, and the rust removal efficiency is higher.

[0031] Third, since the bowl-shaped steel brush is used for rust removal, the rust removal quality is higher, the surface roughness after rust removal is higher, and no flash rust is generated, which is more suitable for subsequent coating processes. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to describe the technical solutions in the embodiments of the present application in more detail, the drawings required to be used in the embodiments or prior art description will be briefly described below. Obviously, the drawings in the following description are only some examples of the present application, and other drawings can also be obtained according to these drawings without creative effort for those skilled in the art.

[0033] Figure 1 A working schematic diagram of the ship surface rust removal device according to the present application;

[0034] Figure 2 A whole structure schematic diagram of the ship surface rust removal device according to the present application;

[0035] Figure 3 A structure diagram of the fixing mechanism of the ship surface rust removal device shown in Figure 1

[0036] Figure 4 A structure diagram of the operating arm shown in Figure 3

[0037] Figure 5 A structure diagram of the universal ball base used in the present application;

[0038] Figure 6 A rust removal device carrying main body schematic diagram for the ship surface rust removal device;

[0039] Figure 7 A top structure diagram of the rust removal device carrying main body shown in Figure 6

[0040] A bottom structure diagram of the rust removal device carrying main body shown in Figure 8 Figure 6 A front end structure diagram of the rust removal device carrying main body shown in

[0041] Figure 9 Figure 6 A rear end structure diagram of the rust removal device carrying main body shown in

[0042] Figure 10 A left side structure diagram of the rust removal device carrying main body shown in Figure 6

[0043] A right side structure diagram of the rust removal device carrying main body shown in Figure 11 Figure 6

[0044] Figure 12 Figure 6

[0045] Figure 13 Figure 6 ​​​​​​​​​Internal structure diagram of the rust removal device mounting body;

[0046] Figure 14 Rust removal mechanism structure diagram adopted by the present application;

[0047] Figure 15 Rust removal mechanism structure diagram adopted by the present application; Figure 14 Motor fixing base structure diagram;

[0048] Figure 16 Motor fixing base structure diagram adopted by the present application; Figure 14 Isolation cylinder structure diagram;

[0049] Figure 17 Z-shaped iron structure diagram adopted by the present application;

[0050] Figure 18 Bowl-shaped steel wire brush assembly structure diagram adopted by the present application;

[0051] Figure 19 Bowl-shaped steel wire brush assembly structure diagram adopted by the present application; Figure 18 Bowl-shaped steel wire brush mounting base structure diagram;

[0052] Figure 20 Bowl-shaped steel wire brush mounting base structure diagram adopted by the present application; Figure 18 Steel wire brush structure diagram;

[0053] Figure 21 Waste recovery mechanism structure diagram adopted by the present application;

[0054] Figure 22 Internal structure diagram of the rust removal device mounting body;

[0055] Figure 23 Moving mechanism structure diagram adopted by the present application;

[0056] Figure 24 Corner iron structure diagram adopted by the present application; Figure 23 Corner iron structure diagram;

[0057] In the drawings, various reference numerals refer to:

[0058] 1 - fixing mechanism 2 - rust removal device mounting body 3 - rust removal mechanism

[0059] 4 - waste recovery mechanism 5 - moving mechanism 6 - operating arm

[0060] 7 - operating arm spring hook 8 - universal ball base 9 - fixing spring

[0061] 10 - operating arm support 11 - universal ball 12 - universal ball base fixing base

[0062] 13 - universal ball mounting port 14 - mounting body spring hook 15 - mounting platform

[0063] 16 - transmission shaft limiting hole 17 - rust removal motor 18 - rotor bevel gear

[0064] 19 - transmission gear 20 - motor fixing base 21 - isolation cylinder

[0065] 22 - bowl type steel wire brush assembly 23 - motor fixing hole 24 - base fixing hole

[0066] 25 - base-isolation cylinder connecting hole 26 - suction port 27 - Z-shaped iron

[0067] 28 - base-isolation cylinder connecting hole 29 - base fixing hole 30 - Z-shaped iron fixing hole

[0068] 31 - bowl type steel wire brush fixing disc 32 - bowl type steel wire brush 33 - fixing clamp plate

[0069] 34 - bowl type steel wire brush limiting hole 35 - bowl type steel wire brush fixing hole 36 - special steel wire

[0070] 37 - bowl type steel wire brush fixing bolt 38 - steel wire base 39 - suction device interface

[0071] 40 - corrugated pipe 41 - corrugated pipe-suction port adapter 42 - universal wheel

[0072] 43 - angle iron 44 - universal wheel fixing bolt 45 - triangular iron

[0073] 46 - angle iron-main body connecting hole 47 - universal wheel limiting hole 48 - power supply interface

[0074] 49 - waste residue blocking brush 50 - bowl type steel wire brush assembly fixing clamp plate

[0075] 51 - wire fixing hole 52 - motor stator 53 - motor rotor

[0076] 54 - Z-shaped iron fixing hole 55 - motor base 56 - base connecting hole DETAILED DESCRIPTION

[0077] The following will describe the technical solutions in the embodiments of the present application in detail and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work, fall within the protection scope of the present application.

[0078] Now, referring to the accompanying drawings, the ship surface rust removal device according to the present application will be described in detail.

[0079] Figure 1The diagram shows the working schematic of the rust removal device 100 of the present invention when used for rust removal on the surface of a ship. The rust removal device 100 in operation is powered by an aerial work platform 200, which is connected to a negative pressure filtration device 300 through a corrugated pipe. The rust removal device in operation can operate a section of rust removal surface 300 on the rusted surface 400. Figure 2 A general structural diagram of the ship surface rust removal device 100 of the present invention is further shown.

[0080] like Figure 1 , 2 As shown, the power for the ship surface rust removal device is provided by the shipyard's existing aerial work platform. After being connected to the aerial work platform via a fixed mechanism 1, the kinetic energy from the aerial work platform's forward, backward, up, down, left, and right movements can be transmitted to the rust removal device, allowing it to move forward, backward, up, down, left, and right on the ship's surface. The waste residue recovery mechanism 4 of the ship surface rust removal device 100 is connected to an existing high-power filtration device or industrial vacuum cleaner in the shipyard via a corrugated pipe, with the high-power filtration device or industrial vacuum cleaner providing the power for waste residue recovery. Here, it is required that the high-power filtration device or industrial vacuum cleaner be equipped with a dust hood between its end and the atmosphere to filter solid residues and dust generated during the rust removal process, ensuring that the emitted gas meets relevant emission standards. In conjunction with the aerial work platform and the negative pressure filtration device, the ship surface rust removal device 100 can perform rust removal operations on the ship's surface, transforming the rusted surface into a smooth, rust-free surface, achieving the goal of zero pollution and zero waste.

[0081] like Figure 2 As shown, the ship surface rust removal device mainly includes: a fixing mechanism 1, a rust removal device mounting body 2, a rust removal mechanism 3, a waste residue recovery mechanism 4, and a moving mechanism 5. The fixing mechanism 1 is located on top of the rust removal device mounting body 2. Figure 2 In the view shown, the surface in contact with the ball joint base is the top of the mounting body 2, used to connect the ship surface rust removal device to the dry dock high-work area trolley. The rust removal device mounting body 2 internally houses a rust removal mechanism 3 and a waste residue recovery mechanism 4. The end of the waste residue recovery mechanism 4 is led out through a corrugated pipe, which can connect to a negative pressure filtration device or a high-power filtration device within the shipyard. A moving mechanism 5 is mounted on the side of the rust removal device mounting body 2 to allow the rust removal device to move on the ship surface. During rust removal operations, the moving mechanism 5 is located between the ship surface and the rust removal device mounting body 2.

[0082] Figure 3 A schematic diagram of the fixing mechanism 1 used in the rust removal device 100 of the present invention is shown. As shown in Figure 3, the fixing mechanism 1 is installed on the top of the rust removal device mounting body 2. Figure 2The fixing mechanism 1 is set on the side of the rust removal device away from the ship surface (the rust removal mechanism is set on the side of the carrying body 2 adjacent to the ship surface), which is connected with the carrying body 2 through the operating arm spring hook 7, the carrying body spring hook 14, and the eight center-symmetrically distributed fixing springs 9. One end of the eight center-symmetrically distributed fixing springs 9 is hung on the operating arm spring hook 7 on the operating arm 6, and the other end is hung on the carrying body spring hook 14 above the carrying body 2 of the rust removal device. The eight center-symmetrically distributed fixing springs 9 can provide a certain degree of freedom of rotation around the center for the carrying body 2 of the rust removal device, so that the rust removal device can adjust the direction at a small angle when moving on the curved ship surface, and the fit between the rust removal device and the ship surface is enhanced. The eight center-symmetrically distributed springs are the same springs, the length and the angle with the operating arm 6 can be determined according to actual needs, and the projection length of the eight center-symmetrically distributed springs on the axis of the operating arm 6 should be substantially equal to or slightly longer than the vertical distance from the operating arm spring hook 7 to the top of the carrying body 2.

[0083] As shown in Figure 4 、 5 , the operating arm 6 is composed of the operating arm support 10 and the universal ball 11. The universal ball 11 is located at the end of the operating arm support 10. The operating arm support 10 is mainly used to connect the working platform of the overhead working vehicle in the dock, and can be fixed to the working platform by expansion sleeve, locking bolt, etc. When the operator controls the overhead working vehicle to move, the operating arm support 10 can transmit the kinetic energy of the overhead working vehicle to the rust removal device, so that the rust removal device can move forward, backward, upward, downward, leftward and rightward on the ship surface. The universal ball 11 is nested in the universal ball loading port 13 of the universal ball base 8, and the universal ball base fixing base 12 of the universal ball base 8 is connected with the upper surface of the rust removal device carrying body 2 by bolts to avoid the rust removal device carrying body 2 from falling off the fixing mechanism 1, causing danger. The universal ball 11 can rotate at a small angle in three dimensions in the universal ball loading port 13. The universal ball 11 can make the rust removal device carrying body 2 adjust the direction at a small angle on the ship surface under the pressure provided by the overhead working vehicle, cooperate with the extension and compression of the eight center-symmetrically distributed fixing springs 9, and the rust removal device can better fit the partially curved ship surface to improve the fit between the rust removal device and the ship surface. In the present application, the improvement of the fit includes but is not limited to one or more of the following ways: the universal ball 11, the fixing spring 9, the U-shaped piece, and the hydraulic platform.

[0084] As shown in Figure 1 、 2, 6, 7, 8, the rust removal device is carried by the main body 2 as a whole, and the top is carried by eight center-symmetrically distributed carrying body spring hooks 14, which are used to connect the fixed spring 9 on the fixed mechanism 1. The rust removal mechanism 3 is arranged in the inside of the rust removal device carrying body 2 and is exposed through the bottom of the rust removal device carrying body 2, so that the rust removal mechanism 3 is directly contacted with the surface of the ship and can perform rust removal. Around the exposed rust removal mechanism 3, the bottom of the rust removal device carrying body 2 is also provided with a circular waste blocking brush 49. The waste blocking brush 49 is composed of hundreds of vertically arranged polyethylene terephthalate fibers and a fiber fixing base. On the one hand, the polyethylene terephthalate fibers can be deformed slightly under the pressure of the aerial work platform, so that the rust removal device can be better matched with the surface of the ship. On the other hand, the hundreds of vertically arranged polyethylene terephthalate fibers can block the waste generated in the rust removal operation, prevent the waste from falling out of the rust removal device, and improve the waste recovery capacity of the rust removal device. The waste blocking brush 49 includes but is not limited to a vertically arranged fiber group structure, a solid hole structure, a fiber mesh structure, a flocculent structure and the like, and any component with the functions of air permeability and waste blocking belongs to the application range of the waste blocking brush 49.

[0085] As shown in Figure 6 , 7 , 8, 9, 10, the front end of the rust removal device carrying body 2 is not carried by any related equipment, and the rear end is provided with a filter equipment interface 39 connected with the negative pressure filtration device, a power supply interface 48 and a wire fixing hole 51. The filter equipment interface 39 is connected with the waste recovery mechanism 4 arranged in the inside of the rust removal device at one end close to the rust removal device carrying body 2, and is connected with the negative pressure filtration device in the shipyard through a corrugated pipe at the other end, for recovering the solid waste generated in the rust removal operation. The power supply interface 48 is connected with the internal rust removal motor 17 at one end close to the rust removal device carrying body 2, and is connected with the power supply facility through a wire at the other end, for providing power input for the rust removal device. The wire fixing hole 51 is used for fixing the related wires in the inside of the rust removal device carrying body 2, so as to prevent the wires from loosening and damaging the equipment due to vibration and movement in the rust removal operation or transportation process.

[0086] As shown in Figure 6 , 11 , 12, two groups of moving mechanisms 5 are connected with the two sides of the rust removal device carrying body 2 respectively. The moving mechanism 5 is connected with the side of the rust removal device carrying body 2 through the angle iron-body connecting hole 46 and the riveted bolt. The four groups of moving mechanisms 5 can realize 360° free movement of the rust removal device on the surface of the ship body, so as to effectively avoid the problems of rust removal dead angle and improve the rust removal efficiency.

[0087] As shown in Figure 13 , 14As shown in Figure 22, the rust removal mechanism 3 is located inside the main body 2 of the rust removal device. For its specific structure, please refer to [reference needed]. Figure 13 and Figure 14 The rust removal mechanism 3 mainly includes a power unit and a rust removal unit. The power unit consists of multiple small rust removal motors 17 of the same specifications and model, at least two, preferably three, four, five, six, or eight, arranged evenly and at intervals along the circumference of the rotor bevel gears; in this invention, four rust removal motors are arranged evenly at 90-degree intervals along the circumference of the rotor bevel gears. The rust removal unit is a bowl-shaped wire brush assembly 22 composed of bowl-shaped wire brushes 32, etc. The four small rust removal motors 17 are located at the uppermost end of the rust removal mechanism 3 and are fixed to the motor fixing base 20. The motor fixing base 20 is fixed above the isolation cylinder 21 by Z-shaped irons 27. The bowl-shaped wire brush assembly 22 is located inside the isolation cylinder 21, directly below the motor fixing base 20.

[0088] like Figure 13 , 14 As shown in Figures 15 and 22, the four rust-removing motors 17 in the rust-removing mechanism 3 are evenly distributed in four directions on the motor fixing base 20, with their motor rotors 53 all pointing towards the center of the motor fixing base 20. The rust-removing motors 17 pass through multiple motor fixing holes 23 ( Figure 15 In the example, each rust-removing motor is connected to the motor mounting base through four holes and fixed above the motor mounting base 20 with the motor base 55. The torque of the motor provides sufficient torque to the cup-shaped wire brush assembly 22 through the torque collection and control device to meet the needs of rust removal. In the example of the present invention, the torque collection and control device includes a transmission gear 19, a rotor bevel gear 18, and an output shaft; the transmission gear 19 is mounted at the front end of the motor rotor 53 of the rust-removing motor 17 and meshes with the rotor bevel gear 18, which works together to collect the torque of all the rust-removing motors 17 and adjust the direction of the total torque to be parallel to the working surface. In practical use, the torque collection and control device has many variations and equivalent implementation methods, including but not limited to rotor bevel gear meshing, helical gear meshing, disc gear meshing, and belt drive.

[0089] In the present application, the rotor bevel gear 18 merges with the transmission gear 19 and adjusts the direction to provide the bowl-shaped steel wire brush assembly 22. The total torque after the merger of the rotor bevel gear 18 and the transmission gear 19 is parallel to the motor fixed base 20, which can provide the bowl-shaped steel wire brush assembly 22 with a torsion parallel to the surface of the ship, that is, the total torque after the merger makes the bowl-shaped steel wire brush assembly 22 rotate around an axis perpendicular to the motor fixed base 20. The total torque after the merger of the rotor bevel gear 18 and the transmission gear 19 is higher than 6 kg·m to meet the rust removal requirements. The rust removal motor 17 used in the present application is a high-speed light motor. High speed is to meet the requirements of efficient rust removal, and light weight is to reduce the overall weight of the rust removal device. Neither a high-speed motor nor a light motor alone can meet the requirements of the rust removal motor of the present application for the rust removal mechanism. Therefore, multiple rust removal motors are connected in parallel to achieve torque merging to meet the requirements of the present application. Therefore, the rust removal motor used in the present application should have a no-load speed higher than 10000 rpm / min and a single torque higher than 1.5 kg·m when the number of examples is 4. In the example, the circuit connection of the four rust removal motors 17 is parallel connection, which ensures that the voltage across each motor and the current passing through it are exactly the same, achieving the matching purpose. The speed of the four rust removal motors 17 can be manually controlled by a single resistance adjustment type knob controller, and the controllable speed is between 0 and 10000 rpm / min.

[0090] As Figure 13 , 14, 18, 19, 20, the bowl type steel wire brush assembly 22 in the rust removal mechanism 3 acts as the main rust removal unit of the rust removal device, which is mainly composed of a plurality of bowl type steel wire brushes 32, a bowl type steel wire brush fixing disc 31, and a plurality of sets of fixing clamping plates 33. The number of bowl type steel wire brushes 32 can be determined according to actual needs and the size of the steel wire brush fixing base, and is at least 3, can be 3-12, preferably 7, 8, 9. The example of the present application is 9. The bowl type steel wire brush 32 is located directly below the bowl type steel wire brush fixing disc 31 and is connected through the bowl type steel wire brush fixing hole 35, the bowl type steel wire brush fixing bolt 37 and the fixing clamping plate 33. The bowl type steel wire brush fixing disc 31 and the fixing clamping plate 33 are used to fix the bowl type steel wire brush 32 and improve the rust removal area. A plurality of bowl type steel wire brush fixing holes 35 are evenly distributed on the bowl type steel wire brush fixing disc 31, which can be 3-12, preferably 7, 8, 9, which are centrally symmetrically distributed with the center of the bowl type steel wire brush fixing disc 31 as the center to improve the angular momentum isotropic requirement, improve the rotational stability, reduce the wear degree and improve the service life of the device. The bowl type steel wire brush 32 is fixed with a special steel wire 36 with a diameter less than 1mm and a length greater than 3cm, which is used for rust removal on the surface of the ship. The diameter of the special steel wire 36 is less than 1mm, which can ensure that the roughness of the ship surface after rust removal meets the standard, that is, the roughness of the ship surface after rust removal by the special steel wire 36 is higher than the intermediate requirement in GB / T 13288. The length of the special steel wire 36 is greater than 3cm and the diameter is less than 1mm, so that the special steel wire 36 can better fit the surface of the ship under the pressure of the aerial work platform, and the service life of the rust removal unit can be further improved. The surface of the special steel wire 36 is plated with copper, which has strong wear resistance and can meet the continuous rust removal work requirement for more than twelve hours. The distribution density of the special steel wire 36 is uniform, and the number in each square centimeter is more than thirty.

[0091] In the present application, the bowl type steel wire brush fixing disc 31 is a steel center-symmetric disc type, with a base connecting hole 56 in the center and a plurality of bowl type steel wire brush fixing holes 35 symmetrically distributed near the edge. There are two crescent-shaped bowl type steel wire brush limiting holes 34 on both sides of the bowl type steel wire brush fixing hole 35. The bowl type steel wire brush limiting hole 34 and the bowl type steel wire brush fixing hole 35 are both center-symmetric, which can improve the angular momentum isotropic requirement, improve the rotational stability of the rust removal mechanism 3, and further reduce the wear degree of the rotating parts and improve the service life of the device. The bowl type steel wire brush assembly 22 includes but is not limited to the combination of the bowl type steel wire brush 32 and the bowl type steel wire brush fixing disc 31, and any steel wire brush assembly using a steel wire and a steel wire bearing base structure belongs to the scope of the bowl type steel wire brush assembly 22.

[0092] As Figure 13 , 14As shown in Figures 15, 16, and 17, the isolation cylinder 21 in the rust removal mechanism 3 is located outside the bowl-shaped wire brush assembly 22, directly below the motor mounting base 20. The outer side of the isolation cylinder 21 is connected to the mounting platform 15 at the bottom of the rust removal device mounting body 2 via a Z-shaped iron 27, a base-isolation cylinder connection hole 28, a Z-shaped iron fixing hole 30, and fixing bolts. The top of the isolation cylinder 21 is connected to the motor mounting base 20 via the Z-shaped iron 27 and the base fixing hole 29. On one hand, the isolation cylinder 21 can be used to support the motor mounting base 20 and the rust removal motor 17. On the other hand, the isolation cylinder 21 can be used to isolate the rust removal motor 17 and the bowl-shaped wire brush assembly 22 located within the rust removal device mounting body 2, to prevent rust, paint residue, water, etc., generated during the rust removal process from entering the rust removal device mounting body 2 and affecting the normal operation of the rust removal motor 17 and other workpieces. The side of the isolation cylinder 21 has 3-7 suction ports 26, preferably 5, for installing the corrugated pipe-squeezing port adapter 41 and connecting it to the waste residue recycling mechanism 4.

[0093] like Figure 13 , 21 As shown in Figure 22, the waste residue recycling mechanism 4 is located inside the main body 2 of the rust removal device. The waste residue recycling mechanism 4 mainly consists of a filtration equipment interface 39, a corrugated pipe 40, and a corrugated pipe-filtration port adapter 41. One end of the corrugated pipe-filtration port adapter 41 is connected to the filtration port 26 on the side of the isolation cylinder 21, located below the main body (2) of the ship rust removal device, around the cup-shaped wire brush (32), with a distance of less than 3mm between it and the working surface. The other end is connected to the corrugated pipe 40 to ensure 100% recovery of rust, paint residue, etc. generated during the rust removal operation. The other end of the corrugated pipe 40 is connected to the filtration equipment interface 39. The corrugated pipe-filtration port adapter 41 is used to suck up the waste residue, dust, etc. generated by the cup-shaped wire brush assembly 22 during the rust removal process. The corrugated pipe 40 has a corrugated busbar, which provides good flexibility and allows the corrugated shell to withstand a high internal and external pressure difference, effectively preventing the transport pipe from flattening due to the pressure difference during negative pressure filtration. The end of the filtration equipment interface 39 near the outside of the rust removal device can be connected to existing filtration equipment in the shipyard for recovering rust, paint residue, and other waste generated during rust removal operations.

[0094] like Figure 6 , 23As shown in FIG. 24, the moving mechanism 5 is located on both sides of the rust removal device mounting body 2 and is fixed to the side edges of the rust removal device mounting body 2 through the angle iron-body connecting hole 46 and riveted bolts. The moving mechanism 5 mainly consists of universal wheels 42, angle irons 43, universal wheel fixing bolts 44 and triangular irons 45. The universal wheels 42 are located directly below the angle irons 43, and the universal wheels 42 and the angle irons 43 are connected through the universal wheel fixing bolts 44. The universal wheels 42 can rotate freely around the universal wheel fixing bolts 44. The universal wheels 42 can roll back and forth on the surface of the ship, so that the moving mechanism 5 can move 360° in the walking plane, which can effectively avoid the problem of rust removal dead angle and improve the rust removal efficiency. The wheels of the universal wheels 42 are made of rubber as the base material and have a certain elasticity, which can increase the contact area and adhesion between the rust removal mechanism 3 and the walking plane under the pressure of the aerial work platform. Two triangular irons 45 are welded on the inner side of each angle iron 43, which can improve the load-bearing capacity of the rust removal device to the pressure of the aerial work platform and effectively prevent the angle iron 43 from being broken due to excessive pressure. The angle irons 43 and the triangular irons 45 are made of Q195 steel, which has high yield strength and can effectively improve the elastic recovery capacity of the moving mechanism 5 after being pressed by the aerial work platform. The material of the angle iron 43 is Q195 steel plate, which has a thickness of not less than 3 mm and a yield strength of not less than 180 MPa.

[0095] The above examples show and describe the basic principles, main features and advantages of the present application, and the above content is only exemplary embodiments of the present application, and the present application is not limited by the above embodiments. Any modification, equivalent replacement and improvement made within the spirit and principles of the present application shall be included in the protection scope of the present application. In addition, the above examples and descriptions in the specification only illustrate the principles of the present application, and the present application can have various changes and improvements, which all fall within the scope of the claimed present application, and the protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A ship surface rust removal device, comprising: a rust removal device carrying body; a fixing mechanism at the top end of the rust removal device carrying body, used to connect the rust removal device carrying body and a aerial platform as an auxiliary power source of the ship surface rust removal device to control the rust removal device to move forward, backward, left and right on the ship surface; a rust removal mechanism with one end exposed to the bottom of the rust removal device carrying body and in contact with the working surface of the ship surface; a waste residue recovery mechanism located inside the rust removal device carrying body and used to recover waste residue generated in the rust removal operation; a moving mechanism arranged on the side of the rust removal device carrying body and in direct contact with the working surface; wherein the fixing mechanism comprises: an operating arm with one end connected to the aerial platform and the other end connected to a universal ball; a fixing spring with one end connected to the operating arm spring hook and the other end connected to the carrying body spring hook at the top end of the rust removal device carrying body; when the universal ball on the operating arm cooperates with the fixing spring, the attitude of the rust removal device can be adjusted at a small angle, so that the rust removal device can better fit the partially curved ship surface under the pressure provided by the aerial platform, and the fitting degree of the rust removal device and the ship surface is improved; wherein the rust removal mechanism comprises: a plurality of rust removal motors fixed on the motor fixed base and uniformly and spacedly arranged along the circumference of the rotor bevel gear, the torque is converged and controlled by the torque convergence and control device, and the total torque direction is parallel to the working surface; a bowl-shaped steel wire brush assembly rotating under the drive of the total torque, comprising a bowl-shaped steel wire brush fixing disc and a plurality of bowl-shaped steel wire brushes uniformly distributed thereon, the bowl-shaped steel wire brush fixing holes on the bowl-shaped steel wire brush fixing disc are provided with crescent bowl-shaped steel wire brush limiting holes on both sides, and a special steel wire with a diameter less than 1 mm and a length greater than 3 cm plated with copper on the surface is fixed on the bowl-shaped steel wire brush; an isolation cylinder located at the periphery of the bowl-shaped steel wire brush assembly, the outer side is connected through a Z-shaped iron, a base-isolation cylinder connecting hole, a Z-shaped iron fixing hole and a fixing bolt between the carrying platform at the bottom end of the rust removal device carrying body, and the top is connected with the motor fixed base through a Z-shaped iron and a base fixing hole; wherein the waste residue recovery mechanism comprises: a suction port adapter connected with the suction port of the isolation cylinder at the front end; a corrugated pipe connected with the suction port adapter at the rear end; a suction equipment interface connected with the corrugated pipe, and the rear end is connected with a negative pressure suction device through the corrugated pipe.

2. A ship surface rust removal device according to claim 1, characterised in that, The ship surface rust removal device adopts the principle of mechanical rust removal, uses steel wire as the basic rust removal unit, and does not need to use water resources in the rust removal process.

3. A ship surface rust removal device according to claim 1 or 2, characterised in that, The rust removal mechanism (3) further comprises: a rotor bevel gear (18) and a transmission gear (19); the rust removal motor (17) is located directly above the motor fixed base (20), and the rust removal motor (17) is connected with the motor fixed base (20) through a motor fixed hole (23), a motor base (55) and a fixing bolt; the motor fixed base (20) is located inside the rust removal device carrying body (2), is located directly above the bowl-shaped steel wire brush assembly (22) and is located at the upper part of the rust removal mechanism (3).

4. A ship surface rust removal device according to claim 3, characterised in that, The bowl-shaped steel wire brush (32) is clamped into the bowl-shaped steel wire brush limiting hole (34) on the surface of the bowl-shaped steel wire brush fixing disc (31), and then is fixed by the fixing clamp plate (33) through the bowl-shaped steel wire brush fixing hole (35).

5. A ship surface rust removal device according to claim 1 or 2, characterized in that, The rust removal device carrying body (2) is a three-dimensional closed structure, and the rust removal mechanism (3) and the waste residue recovery mechanism (4) are arranged in the rust removal device carrying body (2).

6. A ship surface rust removal device according to claim 5, characterised in that, The idle speed of the rust removal motor (17) is not less than 10000 rpm / min, the torque is higher than 1.5 kg·m, and the mass is less than 2 kg; the motor rotor (53) of the rust removal motor (17) is directed to the center of the motor fixed base (20).

7. A ship surface rust removal device according to claim 6, characterised in that, The torque aggregation and regulation device comprises a transmission gear (19), a rotor bevel gear (18) and an output shaft; the transmission gear (19) is installed at the front end of the motor rotor (53) of the rust removal motor (17); the rotor bevel gear (18) is connected with the transmission gear (19) and cooperates with the transmission gear (19) to converge the torques of all the rust removal motors (17) and adjust the total torque direction to a direction parallel to the working surface.

8. A ship surface rust removal device according to claim 7, characterised in that, The torque aggregation and regulation device comprises but is not limited to rotor bevel gear (28) engagement, helical gear engagement, disc gear engagement and belt drive.

9. The ship surface rust removal apparatus according to claim 3, characterized by: The waste residue recovery mechanism (4) comprises a suction filtration device interface (39), a corrugated pipe (40) and a corrugated pipe-suction filtration port adapter (41); the front end of the corrugated pipe-suction filtration port adapter (41) is connected with the suction filtration port (26) on the isolation cylinder (21) in the rust removal mechanism (3), is located below the ship rust removal device carrying body (2) and around the bowl-shaped steel wire brush (32), and the distance between the corrugated pipe-suction filtration port adapter (41) and the working surface is less than 3 mm, so that the rust and paint waste generated during the rust removal operation can be recovered at 100%.

10. The ship surface rust removal apparatus according to claim 3, characterized by: The moving mechanism (5) comprises universal wheels (42), angle irons (43), universal wheel fixing bolts (44) and triangular irons (45); the moving mechanism (5) and the angle irons (43) are connected below the angle irons (43) through the universal wheel fixing bolts (44); the side surface of the angle iron (43) has four angle iron-body connection holes (46), and the angle iron (43) and the rust removal device carrying body (2) are fixed together through the four angle iron-body connection holes (46) and riveted bolts.

11. The ship surface rust removal apparatus according to claim 3, characterized by: The bottom of the ship rust removal device carrying body (2) and the outside of the bowl-shaped steel wire brush assembly (22) are provided with annular waste residue isolation brushes (49); the waste residue isolation brushes (49) are provided with vertically arranged fiber groups, which can improve the adhesion of the rust removal device to the surface of the ship and block the waste residue generated during the rust removal operation, so as to prevent the waste residue from falling out of the rust removal device.

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