Cooling tower fan hub anti-corrosion structure

Abstract

The utility model discloses a cooling tower fan hub anti-corrosion structure which comprises a fan hub, a rotating roller is assembled on the inner wall of the fan hub in a penetrating mode, the side wall of an annular cylinder is fixedly communicated with a feeding structure, the feeding structure is connected with a motor, and epoxy resin solvent for corrosion prevention can be stored through a through groove formed in the rotating roller. Through cooperation of a through pipe and a spray head, an anti-corrosion coating can be conveniently sprayed on the surface of a hub, a protective layer is formed, corrosive substances are prevented from making direct contact with the hub, epoxy resin solvent is sprayed to the middle of the fan hub through a spray pipe, the stability of a rotating roller in the using process is guaranteed through a connecting rod, and through cooperation of an annular cylinder and using of a feeding pipe, the rotating roller can rotate more stably. The feeding structure is connected with the through groove in the rotating roller, the feeding effect of the epoxy resin solvent is guaranteed, meanwhile, through the effect of the feeding structure, spraying of the epoxy resin solvent can be controlled at any time, the anti-corrosion effect is guaranteed, the service life of the fan hub is prolonged, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling tower fan hub anti-corrosion, in particular to a cooling tower fan hub anti-corrosion structure. Background Art

[0002] The cooling tower fan hub is a key component in the cooling tower fan system. It connects the fan blades and main shaft to ensure the stable operation of the fan. The hub is usually made of cast iron or steel, with high strength and wear resistance. In the operating environment of the cooling tower, the hub often faces corrosion problems. The existing anti-corrosion treatment often uses surface spraying treatment, but it requires the fan hub to stop, the equipment to be disassembled and sprayed with epoxy resin solvent, which is not practical. Utility Model Content

[0003] The purpose of the utility model is to provide a cooling tower fan hub anti-corrosion structure to solve the problems raised in the above background technology.

[0004] The cam is connected to the drive shaft by the linking rod, and the driving member is connected with the motor to drive the transmission gear of the cam.

[0005] Preferably, the feeding structure is a hollow cylinder, and the hollow cylinder is connected to the outer casing of the motor. The side end of the outer wall of the hollow cylinder is fixedly connected to a hydraulic cylinder, and the piston rod of the hydraulic cylinder passes through the hollow cylinder and is connected to a piston. The outer wall of the piston fits tightly with the inner wall of the hollow cylinder, and the side end of the hollow cylinder is connected to the annular cylinder through a connecting pipe. The inner wall of the connecting pipe is fixedly equipped with a first one-way valve, and the lower end of the hollow cylinder is connected to the storage box through a second one-way valve. The storage box is filled with epoxy resin, and the flow direction of the first one-way valve is from the hollow cylinder to the annular cylinder, and the flow direction of the second one-way valve is from bottom to top.

[0006] Preferably, a sealing gasket is provided between the annular cylinder and the roller.

[0007] Compared with the prior art, the beneficial effects of the present invention are as follows: the epoxy resin solvent for corrosion protection can be stored through the through grooves arranged in the roller, and the cooperation of the through pipe and the nozzle makes it convenient to spray the anti-corrosion coating on the surface of the hub to form a protective layer to prevent corrosive substances from directly contacting the hub, and the epoxy resin solvent is sprayed to the middle of the fan hub through the nozzle, and the stability of the roller during use is ensured by the connecting rod, and the rotation of the roller is controlled by the motor shaft. Through the cooperation of the annular cylinder and the use of the feeding pipe, the feeding structure is connected to the through groove inside the roller to ensure the feeding effect of the epoxy resin solvent. At the same time, through the action of the feeding structure, the spraying of the epoxy resin solvent can be controlled at any time to ensure the corrosion protection effect, increase the service life of the fan hub, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural diagram of the utility model;

[0009] Figure 2 is a cross-sectional view of the roller;

[0010] Figure 3 for Figure 1 A magnified schematic diagram of the structure in the middle.

[0011] In the figure: 1- fan hub, 2- roller, 3- connecting rod, 4- through pipe, 5- nozzle, 6- motor shaft, 7- annular cylinder, 8- feeding structure, 81- connecting pipe, 82- first one-way valve, 83- second one-way valve, 84- hollow cylinder, 85- piston, 86- hydraulic cylinder, 9- feeding pipe, 10- nozzle. DETAILED DESCRIPTION

[0012] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0013] See also Figure 1-3The utility model provides an anti-corrosion structure of a cooling tower fan hub, including a fan hub 1, a roller 2 is installed through the inner wall of the fan hub 1, and a through groove is opened on the inner wall of the roller 2. The through groove divides the roller 2 into two parts, and the two parts of the roller 2 are connected by a connecting rod 3. The inner wall of the lower part of the roller 2 is fixedly plugged with a motor shaft 6, and the lower end of the motor shaft 6 is provided with a motor. A through pipe 4 is plugged into the inner wall of the roller 2, and the upper end of the through pipe 4 passes through the fan hub 1 and is fixedly connected to a nozzle 5. Both sides of the roller 2 are penetrated and connected with a nozzle 10, and the nozzle 10 is connected to the through groove. The outer wall of the motor shaft 6 is sleeved with an annular cylinder 7, and the surface of the annular cylinder 7 is connected with multiple feeding pipes 9, and multiple feeding pipes 9 are connected with the through groove. The annular cylinder 7 is tightly fitted with the lower end of the roller 2, and the side wall of the annular cylinder 7 is fixedly connected with a feeding structure 8, which is connected to the motor.

[0014] The through groove provided in the roller 2 can be used to store the epoxy resin solvent for corrosion prevention. The cooperation of the through pipe 4 and the nozzle 5 can facilitate the spraying of the anti-corrosion coating on the surface of the hub to form a protective layer to prevent corrosive substances from directly contacting the fan hub 1. The epoxy resin solvent is sprayed to the middle of the fan hub 1 through the nozzle 10. The stability of the roller 2 during use is ensured by the connecting rod 3. The rotation of the roller 2 is controlled by the motor shaft 6. The feeding structure 8 is connected to the through groove inside the roller 2 through the cooperation of the annular cylinder 7 and the use of the feeding pipe 9 to ensure the feeding effect of the epoxy resin solvent. At the same time, through the action of the feeding structure 8, the spraying of the epoxy resin solvent can be controlled at any time to ensure the corrosion prevention effect, increase the service life of the fan hub 1, and have strong practicality.

[0015] The feeding structure 8 hollow cylinder 84, hollow cylinder 84, hollow cylinder 84 is connected to the outer casing of the motor, the outer wall side end of the hollow cylinder 84 is fixedly connected with a hydraulic cylinder 86, the piston rod of the hydraulic cylinder 86 passes through the hollow cylinder 84 and is connected with a piston 85, the outer wall of the piston 85 is tightly fitted with the inner wall of the hollow cylinder 84, the side end of the hollow cylinder 84 is connected with the annular cylinder 7 through the connecting pipe 81, the inner wall of the connecting pipe 81 is fixedly equipped with a first one-way valve 82, the lower end of the hollow cylinder 84 is connected to the storage box through the second one-way valve 83, the storage box is filled with epoxy resin, the flow direction of the first one-way valve 82 is from the hollow cylinder 84 to the annular cylinder 7, and the flow direction of the second one-way valve 83 is from bottom to top.

[0016] When the feeding structure 8 is needed, Figure 3 As shown, the hollow cylinder 84 is filled with epoxy resin solvent, the hydraulic cylinder 86 is opened, the piston 85 is pushed to move, and the solvent is sent to the annular cylinder 7 through the first one-way valve 82 in the connecting pipe 81. At the same time, when the hydraulic cylinder 86 controls the piston 85 to move toward the direction of the hydraulic cylinder 86, the solvent in the storage box connected to the second one-way valve 83 will be sucked into the hollow cylinder 84.

[0017] A sealing gasket is provided between the annular cylinder 7 and the rotating roller 2 .

[0018] Ensure the sealing effect of the equipment.

[0019] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling tower fan hub anti-corrosion structure, characterized by: The invention comprises a fan hub (1), wherein a roller (2) is installed through the inner wall of the fan hub (1), a through groove is provided on the inner wall of the roller (2), and the through groove divides the roller (2) into two parts, the two parts of the roller (2) are connected by a connecting rod (3), a motor shaft (6) is fixedly inserted into the inner wall of the lower part of the roller (2), a motor is provided at the lower end of the motor shaft (6), a through pipe (4) is inserted into the inner wall of the roller (2), and the upper end of the through pipe (4) passes through the fan hub (1) A nozzle (5) is fixedly connected thereto, nozzles (10) are passed through and connected to both sides of the rotating roller (2), the nozzles (10) are connected to the through groove, an annular cylinder (7) is sleeved on the outer wall of the motor shaft (6), a plurality of feeding pipes (9) are connected to the surface of the annular cylinder (7), the plurality of feeding pipes (9) are connected to the through groove, the annular cylinder (7) is tightly fitted to the lower end of the rotating roller (2), a feeding structure (8) is fixedly connected to the side wall of the annular cylinder (7), and the feeding structure (8) is connected to the motor.

2. The cooling tower fan hub anti-corrosion structure according to claim 1, characterized in that: The feeding structure (8) comprises a hollow cylinder (84), the hollow cylinder (84) being connected to the housing of the motor, the outer wall side end of the hollow cylinder (84) being fixedly connected with a hydraulic cylinder (86), the piston rod of the hydraulic cylinder (86) passing through the hollow cylinder (84) and being connected with a piston (85), the outer wall of the piston (85) being tightly fitted with the inner wall of the hollow cylinder (84), the side end of the hollow cylinder (84) being connected to the annular cylinder (7) through a connecting pipe (81), the inner wall of the connecting pipe (81) being fixedly equipped with a first one-way valve (82), the lower end of the hollow cylinder (84) being connected to a material storage box through a second one-way valve (83), the material storage box being filled with epoxy resin, the flow direction of the first one-way valve (82) being from the hollow cylinder (84) to the annular cylinder (7), and the flow direction of the second one-way valve (83) being from bottom to top.

3. The cooling tower fan hub anti-corrosion structure according to claim 1, characterized in that: A sealing gasket is provided between the annular cylinder (7) and the rotating roller (2).

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