Special speed reducer anti-corrosion shell for cooling tower fan

By designing a fresh air system and an air outlet system in the cooling tower fan reducer housing, the problem of internal moisture accumulation is solved, effective ventilation and dehumidification is achieved, corrosion of metal parts is prevented, and the life of the equipment is extended.

CN223359865UActive Publication Date: 2025-09-19QINGHAI JINFENG SILICON IND CO LTD
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Patent Information

Application Number
CN202423182395.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-09-19
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In the prior art, the interior of the cooling tower fan reducer cannot be effectively ventilated and dehumidified, resulting in excessive humidity, which in turn accelerates the corrosion of metal parts.

Method used

A corrosion-resistant casing including a fresh air system, an air supply pipe, an air outlet system and a control mechanism is designed. Fresh air is provided by the fresh air system, the air outlet system controls the direction of the airflow, and the air outlet composed of a slider and a block adjusts the airflow to remove internal moisture.

Benefits of technology

Effectively reduce the internal humidity of the reducer, prevent corrosion of metal parts, and extend the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special speed reducer anti-corrosion shell for a cooling tower fan, and relates to the technical field of speed reducer shells. A mounting box and a shell box are connected to the bottom frame, the mounting box and the shell box are adjacently connected, and a fresh air system is arranged in the mounting box. The fresh air system is used for providing fresh air, the air supply pipe is connected with the fresh air system and conveys the fresh air into the shell box, the air outlet system is composed of a plurality of air outlets and check blocks and used for controlling the direction of airflow, sliding of the sliding blocks in the connecting grooves and adjusting of the positions of the check blocks, and the pull rope is connected with the rope winding rod and the check blocks. The position of the check block can be controlled through the pulling rope, the winding drum is installed on the shell box and used for winding the pulling rope, the direction of the pulling rope is guided through the guiding groove, the rotating disc can be rotated through the rotating handle, then rotation of the winding drum is controlled, internal moisture and water vapor can be removed through the device, and opening and closing of the air outlet can be controlled by adjusting the position of the check block.
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Description

Technical Field

[0001] The utility model relates to the technical field of reducer casings, in particular to a corrosion-resistant casing of a reducer specially used for a cooling tower fan. Background Art

[0002] The housing provides physical protection for the gears, bearings and other components inside the reducer, preventing the intrusion of external dust, moisture, corrosive substances, etc., thereby extending the service life of the reducer. Especially for reducers used in industrial environments, the housing is usually made of corrosion-resistant materials to resist chemical corrosion and electrochemical corrosion. When working in a high-temperature environment, the housing can reduce the heat transfer to the reducer and protect the internal components from overheating damage. The main function of a corrosion-resistant housing for a cooling tower fan reducer is to protect the internal reducer from the influence of the corrosive environment and extend the service life of the equipment.

[0003] The Chinese patent authorization announcement number is CN216469797U, and its name is a corrosion-resistant metal shell, which includes a metal shell body, a metal shell end cover is provided at the upper end of the metal shell body, a protective device is provided at the outer end of the metal shell body, a supporting device is provided at the lower end of the metal shell body, and a heat dissipation mechanism is provided at the rear end of the metal shell body. Firstly, since the utility model is provided with the outer shell, the inner shell, the moisture-proof layer, and the heating plate, a double-layer structure is adopted, which effectively protects the device, and the moisture-proof layer and the heating plate can discharge moisture from the inner side of the device, thereby avoiding corrosion on the inner side of the device; secondly, due to the provision of the sealing groove and the sealing ridge, the sealing performance of the device can be enhanced, the exchange of air between the inner side and the outer side can be reduced, and the practical performance of the device is improved;

[0004] The shortcomings of the above solution are: although the above solution can prevent internal corrosion, it cannot ventilate and dehumidify the interior during use. Due to the inability to effectively ventilate, excessive moisture may accumulate inside the reducer, resulting in excessive humidity. The high humidity environment will accelerate the corrosion process of metal parts, especially for technical problems such as metal gears and bearings. Utility Model Content

[0005] The purpose of the utility model is to provide a corrosion-resistant housing for a reducer specially used for a cooling tower fan, so as to solve the technical problem that the interior cannot be ventilated and dehumidified in the prior art. Due to the inability to effectively ventilate, excessive moisture may accumulate inside the reducer, resulting in excessive humidity. The high humidity environment will accelerate the corrosion process of metal parts, especially for metal gears and bearings and other components.

[0006] The technical problem to be solved by the present invention can be achieved through the following technical solutions:

[0007] A corrosion-resistant housing for a speed reducer specifically for a cooling tower fan, comprising a base frame;

[0008] The base frame is connected to an installation box and an outer shell box, the installation box and the outer shell box are adjacently connected, a fresh air system is provided in the installation box, an air outlet end of the fresh air system is connected to an air supply pipe, an end of the air supply pipe away from the installation box is provided in the outer shell box, an electric telescopic rod is connected to the bottom of the outer shell box, the telescopic end of the electric telescopic rod is connected to a placement plate, a top cover is connected to the top cover, and a connecting frame is connected;

[0009] An air outlet system is provided on a side of the outer shell box away from the installation box.

[0010] As a further solution of the present invention: a nozzle is connected to the top cover, and a nozzle is connected to the end of the nozzle.

[0011] As a further solution of the present invention: the air outlet system includes multiple air outlets and multiple blocks, and the multiple air outlets are all arranged on the outer shell box, and the outer shell box is connected to a plurality of connecting grooves, and a slider is slidably connected in the connecting groove, and the block is connected to the end of the slider away from the connecting groove, and the side of the outer shell box is connected to a rope winding rod, and the rope winding rod is connected to a pull rope, and the pull rope is connected to the block, and the outer shell box is connected to a reel, and the end of the pull rope away from the rope winding rod is connected to the reel.

[0012] As a further solution of the present invention: the block is arranged to fit the air outlet.

[0013] As a further solution of the present invention: a guide groove is provided on the reel.

[0014] As a further solution of the present invention: the reel is connected to a turntable, and the turntable is connected to a rotating handle.

[0015] Beneficial effects of the utility model:

[0016] 1. The fresh air system of the utility model is used to provide fresh air. The air supply pipe is connected to the fresh air system to deliver fresh air to the outer shell box. The air outlet system consists of multiple air outlets and blocks to control the direction of the airflow. The slider slides in the connecting groove to adjust the position of the block. The pull rope connects the rope winding rod and the block. The position of the block can be controlled by pulling the rope. The reel is installed on the outer shell box to reel in the pull rope. The guide groove guides the direction of the pull rope. The turntable can be rotated by turning the handle to control the rotation of the reel. The internal moisture and water vapor can be cleared by this device, and the opening and closing of the air outlet can be controlled by adjusting the position of the block. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 yes Figure 1 Enlarged structural diagram at point A in the middle.

[0020] In the figure: 1. Base frame; 2. Installation box; 3. Fresh air system; 4. Air supply duct; 5. Top cover; 6. Connecting frame; 7. Nozzle; 8. Nozzle; 9. Electric telescopic rod; 10. Placement plate; 11. Rope winding rod; 12. Outer shell box; 13. Reel; 14. Turntable; 15. Block; 16. Pull rope; 17. Connecting slot; 18. Slider; 19. Air outlet. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1-Figure 2 As shown, a corrosion-resistant housing for a speed reducer dedicated to a cooling tower fan comprises a base frame 1, to which a mounting box 2 and a housing box 12 are connected, the mounting box 2 and the housing box 12 being adjacently connected, a fresh air system 3 being arranged in the mounting box 2, the air outlet end of the fresh air system 3 being connected to an air supply pipe 4, the end of the air supply pipe 4 away from the mounting box 2 being arranged in the housing box 12, an electric telescopic rod 9 being connected to the bottom of the housing box 12, a placement plate 10 being connected to the telescopic end of the electric telescopic rod 9, a top cover 5 being connected to the top cover 5, a connecting frame 6 being connected to the top cover 5, a nozzle 7 being connected to the top cover 5, and a nozzle 8 being connected to the end of the nozzle 7;

[0023] The outer shell box 12 is provided with an air outlet system on the side away from the installation box 2, and the air outlet system includes multiple air outlets 19 and multiple blocks 15. The multiple air outlets 19 are all arranged on the outer shell box 12, and the outer shell box 12 is connected to a plurality of connecting grooves 17, and a slider 18 is slidably connected in the connecting groove 17. The block 15 is connected to the end of the slider 18 away from the connecting groove 17, and the block 15 is arranged in contact with the air outlet 19. The side of the outer shell box 12 is connected to a rope winding rod 11, and a pull rope 16 is connected to the rope winding rod 11, and the pull rope 16 is connected to the block 15. The outer shell box 12 is connected to a reel 13, and a guide groove is provided on the reel 13. The end of the pull rope 16 away from the rope winding rod 11 is connected to the reel 13, and the reel 13 is connected to a turntable 14, and the turntable 14 is connected to a rotating handle.

[0024] The working principle of the present utility model: This paragraph describes a special anti-corrosion shell for a reducer of a cooling tower fan. The shell box 12 is used to install the reducer. The shell is provided with an anti-corrosion protective layer to protect the internal equipment from corrosion. The fresh air system 3 is used to provide fresh air. The air supply pipe 4 is connected to the fresh air system 3 to deliver fresh air to the shell box 12. The electric telescopic rod 9 is installed at the bottom of the shell box 12 to adjust the height of the placement plate 10. The placement plate 10 is connected to the telescopic end of the electric telescopic rod 9 and is used to place the reducer. The top cover 5 covers the top of the shell box 12 to provide additional protection. The connecting frame 6 is installed on the top cover 5 to pull the top cover 5. The nozzle 7 and the nozzle 8 are used to adjust the height of the placement plate 10. Anti-corrosion liquid is sprayed on the internal reducer. The air outlet system consists of multiple air outlets 19 and blocks 15, which are used to control the direction of the airflow. The slider 18 slides in the connecting groove 17 to adjust the position of the block 15. The pull rope 16 connects the rope winding rod 11 and the block 15. The position of the block 15 can be controlled by pulling the rope 16. The drum 13 is installed on the outer shell box 12 and is used to reel in the pull rope 16. The guide groove guides the direction of the pull rope 16. The turntable 14 can be rotated by turning the handle to control the rotation of the drum 13. The internal moisture and water vapor can be cleared by this device. By adjusting the position of the block 15, the opening and closing of the air outlet 19 can be controlled, thereby controlling the flow and distribution of the airflow.

[0025] The above describes an embodiment of the present invention in detail. However, the content is only a preferred embodiment of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A corrosion-resistant housing for a cooling tower fan reducer, comprising a base frame (1); characterized in that: The base frame (1) is connected to a mounting box (2) and an outer shell box (12), the mounting box (2) and the outer shell box (12) are adjacently connected, a fresh air system (3) is provided in the mounting box (2), an air outlet end of the fresh air system (3) is connected to an air supply pipe (4), an end of the air supply pipe (4) away from the mounting box (2) is provided in the outer shell box (12), an electric telescopic rod (9) is connected to the bottom of the outer shell box (12), a telescopic end of the electric telescopic rod (9) is connected to a placement plate (10), a top cover (5) is connected to the top cover (5), and a connecting frame (6) is connected to the top cover (5); An air outlet system is provided on a side of the outer shell box (12) away from the installation box (2).

2. The anti-corrosion housing for a cooling tower fan reducer according to claim 1, characterized in that: The top cover (5) is connected to a nozzle (7), and the end of the nozzle (7) is connected to a nozzle (8).

3. The corrosion-resistant housing for a cooling tower fan reducer according to claim 1, characterized in that: The air outlet system includes a plurality of air outlets (19) and a plurality of blocks (15), wherein the plurality of air outlets (19) are all arranged on the outer shell box (12), the outer shell box (12) is connected to a plurality of connecting grooves (17), a slider (18) is slidably connected in the connecting groove (17), the block (15) is connected to the end of the slider (18) away from the connecting groove (17), the side of the outer shell box (12) is connected to a rope reel (11), the rope reel (11) is connected to a pull rope (16), the pull rope (16) is connected to the block (15), the outer shell box (12) is connected to a drum (13), and the end of the pull rope (16) away from the rope reel (11) is connected to the drum (13).

4. The corrosion-resistant housing for a cooling tower fan reducer according to claim 3, characterized in that: The stopper (15) is arranged to fit the air outlet (19).

5. The corrosion-resistant housing for a cooling tower fan reducer according to claim 4, characterized in that: The reel (13) is provided with a guide groove.

6. The corrosion-resistant housing for a cooling tower fan reducer according to claim 3, characterized in that: The reel (13) is connected to a turntable (14), and the turntable (14) is connected to a rotating handle.

Citation Information

Patent Citations

  • Anti-corrosion metal shell

    CN216469797U