Fan gear box air filter screen protection device

By introducing an electric push rod driven cleaning device and other protective measures into the fan gearbox, the problem of easy filter clogging was solved, achieving automatic cleaning, noise reduction, vibration reduction and heat dissipation, and improving the stability and service life of the device.

CN223854816UActive Publication Date: 2026-01-30CHINA POWER INVESTMENT XINJIANG ENERGY CHEM IND GRP MULEI NEW ENERGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423091560.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2026-01-30
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The filters in traditional fan gearboxes are easily clogged by dust, affecting air permeability, and lack effective protective measures.

Method used

A fan gearbox air filter protection device was designed, which includes an electric push rod driven cleaning device, a brush for cleaning the filter surface, a drying cylinder for absorbing moisture, a noise reduction plate for reducing noise, a damping rod for reducing vibration, and heat dissipation holes for exhausting hot air.

Benefits of technology

It achieves automatic cleaning of the filter screen, prevents clogging, reduces noise, minimizes vibration and moisture erosion, and improves the stability and service life of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223854816U_ABST
    Figure CN223854816U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of filter screen protection, and particularly relates to a fan gearbox air filter screen protection device which comprises a box body and a filter screen, a sliding rail is fixedly connected to the front face of the box body, and the filter screen is slidably connected to the inner surface of the sliding rail. The cleaning device comprises an electric push rod, a fixing plate, a lifting frame, a guide rail, a sliding frame, a motor, a gear, a mounting cylinder and a brush. According to the fan gearbox air filter screen protection device, an electric push rod drives a cleaning device to move up and down along a guide rail, insection is formed in the inner side of a lifting frame, a motor drives a gear to move along the insection on the inner side of the lifting frame to drive the device to move transversely, and the motor drives a brush to rotate to clean the surface of a filter screen while driving the device to move; the drying agent is added into the drying cylinder, water vapor is prevented from eroding parts, the spherical grooves can effectively absorb sound waves and prevent sound wave energy from escaping, and vibration generated when the parts work is reduced through the damping rods and the springs.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to filter screen protection technical field, concretely is a fan gear box air filter screen protection device. BACKGROUND

[0002] The gear box in the wind generating set is an important mechanical component, and its main function is to transmit the power generated by the wind wheel under the action of wind to the generator and make the generator obtain corresponding rotating speed.

[0003] The conventional fan gear box adopts the form of multiple fans or radiating fins to dissipate heat, and the energy consumption is huge, and the gear box is not protected.

[0004] For example, Chinese patent CN106438955A discloses a fan gear box air filter screen protection device, which comprises a square shell, the top of the shell is cut by an inclined plane perpendicular to the side surface of the shell to form an inclined opening, one side of the opening is hingedly connected with one end of a cover plate, a fan is arranged on the back of the cover plate, a slot is arranged in the cover plate and seals the bottom and opens the top, a filter screen is arranged in the slot and can slide back and forth, the fan inclines to blow air into the shell, four corners of the shell near the cover plate are arc-shaped transition flow guide structures, a bearing structure is arranged between the inner side walls of the shell, and a ventilation hole is arranged at the intersection of the back surface and the bottom surface of the shell.

[0005] However, dust is easy to adhere to the surface of the filter screen, which will cause the filter screen to be blocked and affect the air permeability over a long period of time. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a fan gear box air filter screen protection device to solve the problem that dust is easy to adhere to the surface of the filter screen, which will cause the filter screen to be blocked and affect the air permeability over a long period of time.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fan gear box air filter screen protection device, comprising a box body and a filter screen, the front surface of the box body is fixedly connected with a sliding rail, the filter screen is slidingly connected to the inner surface of the sliding rail, and the front surface of the filter screen is provided with a cleaning device;

[0008] The cleaning device comprises an electric push rod, a fixed plate, a lifting frame, a guide rail, a sliding frame, a motor, a gear, a mounting cylinder and a brush, the fixed plate is fixedly connected to the left side of the front face of the box body, the guide rail is fixedly connected to the front face of the box body, the electric push rod is fixedly connected to the upper side of the fixed plate, the lifting frame is connected to the output end of the electric push rod, the sliding frame is slidingly connected to the inner surface of the lifting frame, the motor is installed on the front face of the sliding frame, the gear is connected to the output end of the motor, the mounting cylinder is fixedly connected to the back face of the gear, and the brush is screwedly connected to the back face of the mounting cylinder.

[0009] Preferably, screw holes are formed in the front face of the sliding frame, and the sliding frame and the motor are screw-connected through the screw holes, so that the motor is convenient to maintain and replace, and the stability of the device is improved.

[0010] Preferably, a sliding groove one is fixedly connected to the upper back face of the box body, a sliding groove two is fixedly connected to the upper front face of the box body, and a box cover is slidingly connected to the upper side of the box body through the sliding groove one and the sliding groove two; an arc-shaped protrusion is arranged on the back face of the box cover; a groove corresponding to the arc-shaped protrusion is arranged on the inner surface of the sliding groove one; and the box cover and the sliding groove one are fixedly connected through cooperation of the arc-shaped protrusion and the groove.

[0011] Preferably, a noise reduction plate is fixedly connected to the inside of the box body, and a spherical groove is formed in the noise reduction plate; the spherical groove can effectively absorb sound waves and prevent sound wave energy from escaping, and can effectively reduce noise.

[0012] Preferably, mounting sliding grooves are fixedly connected to the left and right sides of the inside of the box body, and drying cylinders are slidingly connected to the inside of the mounting sliding grooves; a through hole is formed in one side of the drying cylinder; silica gel, activated carbon and other drying agents are added into the inside of the drying cylinder; and the drying cylinder is mounted through the mounting sliding grooves; and the through hole of the drying cylinder is used for absorbing water vapor to prevent water vapor from corroding parts.

[0013] Preferably, a damping rod is fixedly connected to the upper surface of the lower surface of the inside of the box body, a spring is connected to the inside of the damping rod, and a mounting plate is fixedly connected to the upper side of the damping rod; the mounting plate is used for mounting fan gear parts; and the damping rod and the spring are used for reducing vibration generated when the parts work, so that the parts are prevented from being damaged.

[0014] Preferably, heat dissipation holes are formed in the bottom of the box body; and hot air in the inside of the box body is discharged through the heat dissipation holes through air flow generated when the fan works.

[0015] Compared with the prior art, the cleaning device has the advantages that:

[0016] 1. The fan gear box air filter protection device, the cleaning device is driven to move up and down along the guide rail through the electric push rod, the inside of the lifting frame is provided with a tooth trace, the device is driven to move transversely through the motor driving the gear to move along the tooth trace inside the lifting frame, the motor drives the brush to rotate and clean the surface of the filter screen while driving the device to move, and the threaded connection also facilitates the disassembly and assembly of the brush.

[0017] 2. The fan gear box air filter protection device, the box cover is convenient to disassemble and assemble through the sliding groove one and the sliding groove two, the internal parts are convenient to replace, the drying agent such as silica gel and activated carbon is added to the inside of the drying cylinder, the drying cylinder is installed through the installation sliding groove, and the water vapor is prevented from corroding the parts through the through hole of the drying cylinder.

[0018] 3. The fan gear box air filter protection device, the spherical groove can effectively absorb sound waves and prevent sound wave energy from escaping, can effectively reduce noise, the fan gear parts are installed through the mounting plate, the vibration generated when the parts work is reduced through the damping rod and the spring, thereby reducing the vibration and preventing the parts from being damaged, and the hot air in the box body is discharged through the heat dissipation hole through the air flow when the fan works. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a cleaning structure schematic view of the utility model;

[0021] Figure 3 It is a box body internal structure schematic view of the utility model;

[0022] Figure 4 It is a damping structure schematic view of the utility model.

[0023] In the drawing: 1, box body; 101, heat dissipation hole; 2, filter screen; 201, sliding rail; 3, electric push rod; 301, fixed plate; 302, lifting frame; 303, guide rail; 304, sliding frame; 305, motor; 306, gear; 307, mounting cylinder; 308, brush; 4, box cover; 401, sliding groove one; 402, sliding groove two; 5, noise reduction plate; 6, installation sliding groove; 601, drying cylinder; 7, mounting plate; 701, damping rod; 702, spring. DETAILED DESCRIPTION

[0024] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0026] Embodiment one: a fan gear box air filter screen protection device, including box 1 and filter screen 2, the front surface of box 1 is fixedly connected with slide rail 201, and the filter screen 2 is slidably connected to the inner surface of slide rail 201, and the front surface of filter screen 2 is provided with a cleaning device;

[0027] The cleaning device includes an electric push rod 3, a fixed plate 301, a lifting frame 302, a guide rail 303, a sliding frame 304, a motor 305, a gear 306, a mounting cylinder 307 and a brush 308, the fixed plate 301 is fixedly connected to the left side of the front surface of the box 1, the guide rail 303 is fixedly connected to the front surface of the box 1, the electric push rod 3 is fixedly connected to the upper side of the fixed plate 301, the lifting frame 302 is connected to the output end of the electric push rod 3, the sliding frame 304 is slidably connected to the inner surface of the lifting frame 302, the motor 305 is installed on the front surface of the sliding frame 304, the gear 306 is connected to the output end of the motor 305, the mounting cylinder 307 is fixedly connected to the back surface of the gear 306, and the brush 308 is screwedly connected to the back surface of the mounting cylinder 307.

[0028] In the embodiment, the cleaning device is driven to move up and down along the guide rail 303 by the electric push rod 3, the inner side of the lifting frame 302 is provided with a tooth pattern, the gear 306 is driven to move along the tooth pattern on the inner side of the lifting frame 302 by the motor 305, the motor 305 drives the brush 308 to rotate and clean the surface of the filter screen 2 while driving the device to move, and the screw connection also facilitates the dismounting of the brush 308.

[0029] Embodiment two: on the basis of embodiment one, the back surface of the upper side of the box 1 is fixedly connected with a sliding groove one 401, the front surface of the upper side of the box 1 is fixedly connected with a sliding groove two 402, and the upper side of the box 1 is slidably connected with a box cover 4 through the sliding groove one 401 and the sliding groove two 402, the back surface of the box cover 4 is provided with an arc-shaped protrusion, the inner surface of the sliding groove one 401 is provided with a corresponding groove, the box cover 4 and the sliding groove one 401 are fixedly connected in position in a matched mode through the arc-shaped protrusion and the groove, the left and right sides in the box 1 are fixedly connected with a mounting sliding groove 6, the mounting sliding groove 6 is slidably connected with a drying cylinder 601 inside, and the one side of the drying cylinder 601 is provided with a through hole.

[0030] In this embodiment, the box cover 4 is conveniently installed and removed through the chute one 401 and the chute two 402, the internal parts are conveniently replaced, the desiccant such as silica gel and activated carbon is added to the inside of the drying cylinder 601, the drying cylinder 601 is installed through the installation chute 6, and the water vapor is absorbed through the through hole of the drying cylinder 601 to prevent the water vapor from corroding the parts.

[0031] In this embodiment, the spherical recess can effectively absorb sound waves and prevent sound wave energy from escaping, can effectively reduce noise, the fan gear parts are installed through the mounting plate 7, the vibration generated when the parts work is reduced through the damping rod 701 and the spring 702, so as to reduce the vibration and prevent the parts from being damaged, and the hot air in the box 1 is discharged through the heat dissipation hole 101 through the air flow when the fan works.

[0032] In this embodiment, the spherical recess can effectively absorb sound waves and prevent sound wave energy from escaping, can effectively reduce noise, the fan gear parts are installed through the mounting plate 7, the vibration generated when the parts work is reduced through the damping rod 701 and the spring 702, so as to reduce the vibration and prevent the parts from being damaged, and the hot air in the box 1 is discharged through the heat dissipation hole 101 through the air flow when the fan works.

[0033] Working principle: the cleaning device is driven to move up and down along the guide rail 303 through the electric push rod 3, the inside of the lifting frame 302 is provided with a toothed groove, the gear 306 is driven to move along the toothed groove on the inside of the lifting frame 302 through the motor 305, the motor 305 drives the brush 308 to rotate and clean the surface of the filter screen 2 while driving the device to move transversely, the threaded connection also facilitates the installation and removal of the brush 308. The box cover 4 is conveniently installed and removed through the chute one 401 and the chute two 402, the internal parts are conveniently replaced, the desiccant such as silica gel and activated carbon is added to the inside of the drying cylinder 601, the drying cylinder 601 is installed through the installation chute 6, and the water vapor is absorbed through the through hole of the drying cylinder 601 to prevent the water vapor from corroding the parts. The spherical recess can effectively absorb sound waves and prevent sound wave energy from escaping, can effectively reduce noise, the fan gear parts are installed through the mounting plate 7, the vibration generated when the parts work is reduced through the damping rod 701 and the spring 702, so as to reduce the vibration and prevent the parts from being damaged, and the hot air in the box 1 is discharged through the heat dissipation hole 101 through the air flow when the fan works.

[0034] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A fan gear box air screen protection device comprising a box (1) and a screen (2), characterized in that: The box (1) is fixedly connected with a sliding rail (201) on the front surface, the filter screen (2) is slidably connected to the inner surface of the sliding rail (201), and the filter screen (2) is provided with a cleaning device on the front surface. The cleaning device comprises an electric push rod (3), a fixed plate (301), a lifting frame (302), a guide rail (303), a sliding frame (304), a motor (305), a gear (306), a mounting cylinder (307) and a brush (308), the fixed plate (301) is fixedly connected to the left side of the front surface of the box (1), the guide rail (303) is fixedly connected to the front surface of the box (1), the electric push rod (3) is fixedly connected above the fixed plate (301), the lifting frame (302) is connected to the output end of the electric push rod (3), the sliding frame (304) is slidably connected to the inner surface of the lifting frame (302), the motor (305) is mounted on the front surface of the sliding frame (304), the gear (306) is connected to the output end of the motor (305), the mounting cylinder (307) is fixedly connected to the back surface of the gear (306), and the brush (308) is threadedly connected to the back surface of the mounting cylinder (307).

2. A fan gear box air screen protection device according to claim 1, wherein: The sliding frame (304) is threadedly connected with the motor (305) through the threaded hole.

3. A fan gear box air screen protection device as claimed in claim 1, wherein: The box (1) is fixedly connected with a sliding groove one (401) on the upper back surface, the box (1) is fixedly connected with a sliding groove two (402) on the upper front surface, the box (1) is slidably connected with a box cover (4) through the sliding groove one (401) and the sliding groove two (402) on the upper surface, the box cover (4) is provided with an arc-shaped protrusion on the back surface, the inner surface of the sliding groove one (401) is provided with a groove corresponding thereto, and the box cover (4) and the sliding groove one (401) are connected and fixed in position through the cooperation of the arc-shaped protrusion and the groove.

4. A fan gear box air screen protection device as claimed in claim 1, wherein: The box (1) is fixedly connected with a noise reduction plate (5) inside, and the inner groove of the noise reduction plate (5) is a spherical groove.

5. A fan gear box air screen protection device as claimed in claim 1, wherein: The box (1) is fixedly connected with mounting sliding grooves (6) on the left and right sides inside, the mounting sliding grooves (6) are slidably connected with drying cylinders (601) inside, and the drying cylinders (601) are provided with through holes on one side.

6. A fan gear box air screen protection device as claimed in claim 1, wherein: The box (1) is fixedly connected with a damping rod (701) on the upper surface of the lower surface inside, the damping rod (701) is connected with a spring (702) inside, and the damping rod (701) is fixedly connected with a mounting plate (7) above.

7. A fan gear box air screen protection device as claimed in claim 1, wherein: The box (1) is provided with a heat dissipation hole (101) at the bottom.

Citation Information

Patent Citations

  • Fan gear box air filter screen protection device

    CN106438955A