Hoisting support for large industrial ceiling fan

By introducing anti-fall rotation components and anti-fall structures into the hoisting bracket of the industrial ceiling fan, the problems of installation instability and motor shaft breakage and fall are solved, horizontal detection and safety protection are achieved, and product life is extended.

CN222228905UActive Publication Date: 2024-12-24HEFEI CHUANGLEI MECHANICAL & ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202420128430.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-18
Publication Date
2024-12-24
Estimated Expiration
2034-01-18

AI Technical Summary

Technical Problem

The lack of horizontal detection and anti-fall structure design during installation of large industrial ceiling fans, which leads to unstable installation and is prone to safety hazards of inclination and motor shaft breakage and fall, affecting the reliability and service life of the product.

Method used

A system including a hoisting bracket and an anti-fall rotation assembly is designed to determine the installation level by the friction sound of the ball when it rotates inside the anti-fall outer ring, and to provide support through the anti-fall inner ring and the outer ring when the motor shaft breaks. Prevent falling.

Benefits of technology

It realizes simple and fast installation level detection and anti-fall effect of motor shaft breakage, ensures the safety of trial operation and extends the service life of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hoisting support for an industrial large ceiling fan, and relates to the technical field of industrial large ceiling fans. The anti-falling device comprises a motor, fan blades, a hoisting bracket and an anti-falling rotating assembly, a motor is fixedly installed on the hoisting support, a fan hub is fixedly installed on an output shaft of the motor, and fan blades are fixedly installed on the circumferential side face of the fan hub. The anti-falling rotating assembly comprises an anti-falling inner ring and an anti-falling outer ring; the anti-falling inner ring is fixedly installed on a fan hub, the anti-falling outer ring is fixedly installed at the bottom of the hoisting support, and the outer side of the anti-falling inner ring is in clearance fit with the inner side of the anti-falling outer ring. A rope tying hole is formed in the edge of the outer side face of the anti-falling inner ring, a ball is tied in the rope tying hole in a winding mode through a connecting rope, and the inner wall of the anti-falling outer ring is arranged above and below the ball. Through the effects of the hoisting bracket and the anti-falling rotating component, the anti-falling effect is realized, and the anti-falling device has the advantages that the anti-falling effect is realized simply, conveniently and quickly, and whether the installation levelness meets the requirement or not is judged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of industrial large ceiling fans, in particular to a hanging bracket for industrial large ceiling fans. Background Art

[0002] Industrial fans can most efficiently promote the movement of large amounts of air, generate large air volumes, and form a moving, circulating airflow field in the space. They can effectively regulate the air circulation problems in industrial production workshops, and also have the characteristics of large area, easy cleaning, and low energy consumption. Industrial large ceiling fans are currently mainly used in industrial plants, logistics warehouses, waiting rooms, exhibition halls, gymnasiums, shopping malls and other tall buildings as an industrial ceiling fan for space ventilation and personnel cooling.

[0003] However, large industrial ceiling fans can only be suspended from the top and are not stable during installation. Not only do they require the cooperation of multiple people for installation, but the lack of a horizontal detection design in the lifting bracket of large industrial ceiling fans also causes them to tilt due to operational errors, making it difficult to ensure the reliability and service life of large industrial ceiling fans during long-term use, as well as accelerating wear and even causing safety hazards such as motor shaft breakage and falling, which will also affect the promotion and application of large industrial ceiling fans.

[0004] Aiming at the lack of horizontal detection and anti-falling structure design in the installation of industrial large ceiling fans, the utility model designs a hanging bracket for industrial large ceiling fans. Utility Model Content

[0005] The purpose of the utility model is to provide a hanging bracket for a large industrial ceiling fan. Through the action of the hanging bracket and the anti-fall rotating assembly, the function of preventing the motor shaft from falling due to breakage is achieved. In addition, by relying on whether the sphere collides with the anti-fall outer ring when rotating inside it, it can be judged whether the horizontal degree of its installation meets the requirements, thereby solving the above-mentioned problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a hanging bracket for industrial large ceiling fans, comprising a motor, a fan blade, a hanging bracket and an anti-falling rotating assembly; the motor is fixedly mounted on the hanging bracket, the output shaft of the motor is fixedly mounted on a fan hub, and the fan blade is fixedly mounted on the peripheral side of the fan hub; the anti-falling rotating assembly comprises an anti-falling inner ring and an anti-falling outer ring; the anti-falling inner ring is fixedly mounted on the fan hub, the anti-falling outer ring is fixedly mounted on the bottom of the hanging bracket, and the outer side of the anti-falling inner ring and the inner side of the anti-falling outer ring are clearance-matched; a tether hole is provided on the edge of the outer side surface of the anti-falling inner ring, a sphere is tied to the tether hole by winding a connecting rope, and the upper and lower parts of the sphere are both the inner walls of the anti-falling outer ring; at present, the rotation speed ω range of industrial large ceiling fans is generally between 55 rpm and 90 rpm, and the centripetal force F=Mωr on the sphere 2 , and gravity G=mg; relying on setting the weight of the sphere and the rotation speed of the industrial ceiling fan to fixed values, if the industrial ceiling fan is in a horizontal state after installation, the angle α between the resultant force F1 of the centripetal force F and the gravity G and the centripetal force F; that is, when the angle between the connecting rope of the sphere and the anti-fall inner ring is α, the installation of the industrial ceiling fan is horizontal; therefore, when the angle between the connecting rope of the sphere and the anti-fall inner ring is greater than α, the installation of the industrial ceiling fan is non-horizontal; the sphere will also rub and collide with the anti-fall outer ring and make a continuous sound.

[0008] As an optimal technical solution of the utility model, the anti-fall inner ring includes a fixed mounting ring and a supporting ring piece; the bottom of the fixed mounting ring is fixedly mounted on the fan hub, and the top of the fixed mounting ring is fixed with the inner wall of the supporting ring piece; the tether hole is located at the outer edge of the supporting ring piece.

[0009] As an optimal technical solution of the utility model, the anti-fall outer ring includes a bottom supporting ring piece, a top supporting ring piece and a mounting column; the lifting bracket has mounting columns in a circular array around the motor, and the bottom of the mounting columns are respectively fixed with a bottom supporting ring piece and a top supporting ring piece; the function of the anti-fall inner ring and the anti-fall outer ring is that when the motor shaft of the motor breaks and falls, the anti-fall inner ring and the anti-fall outer ring serve as supports for the fan hub and blades, and have the function of preventing the motor shaft from falling due to breakage, thereby achieving an anti-fall effect.

[0010] As a preferred technical solution of the utility model, the mounting column cooperates with a limited high pipe column between the bottom support ring piece and the top support ring piece; the height dimension of the limited high pipe column will control the height difference between the bottom support ring piece and the top support ring piece, that is, control the activity space of the sphere.

[0011] As a preferred technical solution of the utility model, the bottom of the mounting column is provided with an external thread, a limiting ring is fixed on the top of the external thread, and a nut is threadedly connected to the bottom of the mounting column below the bottom supporting ring.

[0012] As a preferred technical solution of the utility model, a plurality of protective ring plates are slidably matched on the anti-fall outer ring.

[0013] As a preferred technical solution of the utility model, the circular array on the top wall of the anti-fall outer ring has plug-in grooves, and the inner wall of the plug-in grooves is slidably matched with the protective ring plate; the protective ring plate wraps the sphere in a closed space to ensure that the sphere will not fall off during trial operation after the initial installation is completed, thereby posing a safety hazard.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model, through the functions of the lifting bracket and the anti-fall rotating assembly, can support the fan hub and the fan blades when the motor shaft breaks and falls, thereby preventing the motor shaft from falling due to breakage and achieving the anti-fall effect. The position of the sphere when rotating inside the anti-fall outer ring can be used to judge whether the installation meets the set horizontal degree according to the friction sound, and the utility model has the advantages of simple and fast detection operation of the installation horizontal degree.

[0016] 2. The utility model has the function of ensuring that the ball will not fall off during the trial operation after the initial installation is completed through the protective ring plate, which has the function of safety protection during the trial operation.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural schematic diagram of a hanging bracket for a large industrial ceiling fan of the utility model in the first embodiment;

[0020] Figure 2 This is a structural front view of a hanging bracket for a large industrial ceiling fan of the utility model in the first embodiment;

[0021] Figure 3 This is a structural front view of the hoisting bracket and the motor, fan blades, and anti-fall outer ring in Example 1;

[0022] Figure 4 This is a schematic diagram of the structure of the lifting bracket, the motor, and the anti-fall outer ring in Example 1;

[0023] Figure 5 This is a schematic diagram of the structure of the anti-fall inner ring and the sphere in Example 1;

[0024] Figure 6 It is a schematic diagram of the structure of the lifting bracket and the motor, the anti-fall outer ring, and the protective ring plate in the second embodiment;

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1-motor, 2-fan blade, 3-lifting bracket, 4-anti-fall rotating assembly, 5-sphere, 6-protective ring plate, 401-anti-fall inner ring, 402-anti-fall outer ring, 403-tether hole, 404-plug-in slot, 4011-fixed mounting ring, 4012-support ring piece, 4021-bottom supporting ring piece, 4022-top supporting ring piece, 4023-mounting column, 4024-limiting pipe column, 4025-external thread, 4026-limiting ring, 4027-nut, 601-connecting rod, 602-ring plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] See also Figure 1-5 As shown, the utility model is a hanging bracket for industrial large ceiling fans, comprising a motor 1, a fan blade 2, a hanging bracket 3 and an anti-falling rotating assembly 4; the motor 1 is fixedly mounted on the hanging bracket 3, the output shaft of the motor 1 is fixedly mounted with a fan hub, and the peripheral side of the fan hub is fixedly mounted with a fan blade 2; the anti-falling rotating assembly 4 comprises an anti-falling inner ring 401 and an anti-falling outer ring 402; the anti-falling inner ring 401 is fixedly mounted on the fan hub, and the anti-falling outer ring 402 is fixedly mounted on the bottom of the hanging bracket 3, and the outer side of the anti-falling inner ring 401 and the inner side of the anti-falling outer ring 402 are clearance-matched; a tether hole 403 is provided on the edge of the outer side of the anti-falling inner ring 401, and a sphere 5 is tied to the tether hole 403 by winding a connecting rope, and the upper and lower sides of the sphere 5 are both inner walls of the anti-falling outer ring 402; at present, the rotation speed ω range of industrial large ceiling fans is generally 55 rpm to 90 rpm, and the centripetal force F=Mωr on the sphere 5 2, and gravity G=mg; by setting the weight of the sphere 5 and the rotation speed of the industrial ceiling fan to fixed values, if the industrial ceiling fan is in a horizontal state after installation, the angle α between the resultant force F1 of the centripetal force F and the gravity G and the centripetal force F; that is, when the angle between the connecting rope of the sphere 5 and the anti-fall inner ring 401 is α, the installation of the industrial ceiling fan is in a horizontal state; therefore, when the angle between the connecting rope of the sphere 5 and the anti-fall inner ring 401 is greater than α, the installation of the industrial ceiling fan is in a non-horizontal state; the sphere 5 will also rub and collide with the anti-fall outer ring 402 and make a continuous sound; in actual production, a certain error value will also be set so that it can meet the relatively horizontal state in actual use, so that it can be judged that it will not have a relatively large tilt state.

[0030] Among them, the anti-fall inner ring 401 includes a fixed mounting ring 4011 and a supporting ring piece 4012; the bottom of the fixed mounting ring 4011 is fixedly mounted on the fan hub, and the inner wall of the supporting ring piece 4012 is fixed on the top of the fixed mounting ring 4011; the tether hole 403 is located at the outer edge of the supporting ring piece 4012; the anti-fall outer ring 402 includes a bottom supporting ring piece 4021, a top supporting ring piece 4022 and a mounting column 4023; the lifting bracket 3 has a circular array of mounting columns 4023 around the motor 1, and the bottom of the mounting column 4023 is respectively fixed with a bottom supporting ring piece 4021 and a top supporting ring piece 4022; the function of the anti-fall inner ring 401 and the anti-fall outer ring 402 is that when the motor shaft of the motor 1 breaks and falls, The anti-fall inner ring 401 and the anti-fall outer ring 402 act as supports for the fan hub and the fan blades 2, and have the function of preventing the motor shaft from falling due to breakage, thereby achieving an anti-fall effect; the mounting column 4023 cooperates with a limited high pipe column 4024 between the bottom supporting ring piece 4021 and the top supporting ring piece 4022; the height dimension of the limited high pipe column 4024 will control the height difference between the bottom supporting ring piece 4021 and the top supporting ring piece 4022, that is, to control the activity space of the sphere 5; an external thread 4025 is provided at the bottom of the mounting column 4023, and a limiting ring 4026 is fixed on the top of the external thread 4025 of the mounting column 4023, and a nut 4027 is threadedly connected to the bottom of the mounting column 4023 below the bottom supporting ring piece 4021.

[0031] Embodiment 2

[0032] A more preferred technical solution based on the first embodiment is as follows: Figure 6As shown, a plurality of protective ring plates 6 are slidably fitted on the anti-fall outer ring 402; a circular array of plug-in grooves 404 are provided on the top wall of the anti-fall outer ring 402, and the inner wall of the plug-in grooves 404 is slidably fitted with the protective ring plates 6; the protective ring plates 6 wrap the sphere 5 in a closed space to ensure that the sphere 5 will not fall off during the trial run after the initial installation is completed, thereby posing a safety hazard; after completing the test operation of the trial run, the sphere 5 and the protective ring plates 6 can be disassembled and can be reused for subsequent installations.

[0033] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A hanging bracket for a large industrial ceiling fan, comprising a motor (1) and a fan blade (2); characterized in that: It also includes a hanging bracket (3) and an anti-falling rotation component (4); The motor (1) is fixedly mounted on the hanging bracket (3), the output shaft of the motor (1) is fixedly mounted with a fan hub, and the peripheral side surface of the fan hub is fixedly mounted with a fan blade (2); The anti-falling rotating assembly (4) comprises an anti-falling inner ring (401) and an anti-falling outer ring (402); the anti-falling inner ring (401) is fixedly mounted on the fan hub, and the anti-falling outer ring (402) is fixedly mounted on the bottom of the hanging bracket (3), and the outer side of the anti-falling inner ring (401) and the inner side of the anti-falling outer ring (402) are clearance-matched; The outer side edge of the anti-falling inner ring (401) is provided with a tether hole (403), a sphere (5) is wound around the tether hole (403) via a connecting rope, and the upper and lower parts of the sphere (5) are both inner walls of the anti-falling outer ring (402).

2. A hanging bracket for industrial large ceiling fans according to claim 1, characterized in that: The anti-fall inner ring (401) comprises a fixed installation ring (4011) and a supporting ring piece (4012); the bottom of the fixed installation ring (4011) is fixedly installed on the fan hub, and the top of the fixed installation ring (4011) is fixed with the inner wall of the supporting ring piece (4012); the tether hole (403) is located at the outer edge of the supporting ring piece (4012).

3. A hanging bracket for industrial large ceiling fans according to claim 2, characterized in that: The anti-fall outer ring (402) comprises a bottom supporting ring piece (4021), a top supporting ring piece (4022) and a mounting column (4023); the hanging bracket (3) has mounting columns (4023) in a circular array around the motor (1), and the bottom of the mounting columns (4023) are respectively fixed with the bottom supporting ring piece (4021) and the top supporting ring piece (4022).

4. A hanging bracket for industrial large ceiling fans according to claim 3, characterized in that: The installation column (4023) cooperates with a limited high-pressure column (4024) between the bottom supporting ring piece (4021) and the top supporting ring piece (4022).

5. A hanging bracket for industrial large ceiling fans according to claim 4, characterized in that: The bottom of the mounting column (4023) is provided with an external thread (4025), a limiting ring (4026) is fixed on the top of the external thread (4025) of the mounting column (4023), and the bottom of the mounting column (4023) is threadedly connected with a nut (4027) below the bottom supporting ring (4021).

6. The hanging bracket for industrial large ceiling fan according to claim 1, characterized in that: A plurality of protective ring plates (6) are slidably matched on the anti-fall outer ring (402).

7. A hanging bracket for industrial large ceiling fans according to claim 6, characterized in that: The circular array on the top wall of the anti-fall outer ring (402) has plug-in grooves (404), and the inner wall of the plug-in grooves (404) is slidably matched with the protective ring plate (6).