Safety protection device of large industrial fan

By introducing cleaning and disassembly components into the safety protection device of the industrial fan, the problems of dust accumulation and difficulty in disassembling the ring frame are solved, achieving efficient cleaning and convenient maintenance, and improving the effectiveness of the device.

CN223608948UActive Publication Date: 2025-11-28SUZHOU LANGHAO IND TECH CO LTD
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Patent Information

Application Number
CN202423184829.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-28
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing industrial fans lack cleaning components in their safety protection devices, leading to dust accumulation that affects ventilation efficiency. Furthermore, the flexible spiral frame is easily damaged and difficult to disassemble and repair.

Method used

A safety protection device was designed, which includes a cleaning component and a disassembly component. The cleaning component removes dust by using a motor-driven scraper, and the disassembly component allows for easy disassembly of the ring frame via a bidirectional threaded rod.

Benefits of technology

It effectively removes dust, improves ventilation efficiency, reduces the impact of dust on workers, and facilitates the maintenance and installation of the ring frame, thus improving the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety protection device of an industrial large fan, which belongs to the technical field of industrial large fan auxiliary devices and comprises an annular frame, a connecting rod is arranged at the upper end of the annular frame, a cross rod is arranged on one side of the connecting rod, frosted rods are symmetrically arranged at the upper end of the cross rod, a hanging rod is arranged on one side of each frosted rod, and a bottom frame is arranged at the lower end of the annular frame. By arranging the cleaning assembly, cleaning and dust removal of the ring frame and the bottom frame are achieved, the influence of dust accumulation is effectively reduced, the influence of drifting dust on workers is reduced, the exhaust efficiency of the fan is improved, the reliability of the device is improved, and the device is suitable for popularization and application. By arranging the dismounting and mounting assembly, dismounting and mounting of the ring frame are achieved, a worker can dismount the ring frame needing to be maintained conveniently, meanwhile, quick mounting can be achieved by rotating the bidirectional threaded rod, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial big fan auxiliary device technical field, concretely relates to a safety device of industrial big fan. BACKGROUND

[0002] Industrial fan can most effectively push a large amount of air movement, produce super large wind, make space form movement, circulation air flow field, can effectively control the air circulation problem of industrial production workshop, the area of industrial fan blowing and the diameter of fan have a direct relationship.

[0003] Chinese patent application No. 202221152861.8 discloses a safety device of industrial big fan, including bottom frame, the bottom frame adopts ring grid structure, a plurality of connecting rods are fixedly installed at the edge of the bottom frame, and a ring frame is installed between the connecting rods and arranged in an up-down manner. The utility model discloses a whole structure setting, the device is separated from the fan and is installed, so that the self-weight of the fan is not increased, the load of the hoisting position of the fan is prevented from being increased, the overall operation safety of the fan is ensured, there is a certain distance from the fan blade, the ring frame is arranged in the direction of centrifugal flight, the surrounding is blocked, the protection is perfect, the built-in elastic spiral frame is arranged, the elastic spiral frame is arranged, the flexible interception is carried out when the parts fly out, and the elastic spiral frame is embedded and connected, so that the fan is prevented from being rebounded and secondarily damaged.

[0004] The safety protection device lacks a cleaning assembly, the bottom frame and the elastic spiral frame are prone to accumulate dust after long-term use, which affects the exhaust efficiency of the industrial big fan, and the fan blows part of the dust downward, causing the workers to inhale the dust. The safety protection device lacks a dismounting assembly, the surface of the elastic spiral frame is damaged due to the impact of the splashing parts after a period of use, and the lack of the dismounting assembly is not convenient for the workers to dismount the elastic spiral frame for maintenance. UTILITY MODEL CONTENTS

[0005] To solve the problems in the background art, the utility model provides a safety protection device of industrial big fan, which has the characteristics of dust removal of the bottom frame and convenient dismounting of the ring frame.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a safety protection device of industrial big fan, comprising a ring frame, a connecting rod is arranged at the upper end of the ring frame, a horizontal rod is arranged on one side of the connecting rod, abrasive rods are symmetrically arranged at the upper end of the horizontal rod, a hanger rod is arranged on one side of the abrasive rod, a bottom frame is arranged at the lower end of the ring frame, a cleaning assembly is arranged at the lower end of the bottom frame, and a dismounting assembly is arranged at the lower end of the abrasive rod.

[0007] Preferably, the cleaning assembly comprises a motor, a mounting frame, a fixed rod, a scraper, a connecting rod, a limiting block and an annular groove, wherein the lower end of the bottom frame is provided with the motor, the lower end of the motor is provided with the mounting frame, one side of the mounting frame is provided with the fixed rod, the upper end of the fixed rod is provided with a plurality of scrapers, one end of the fixed rod is provided with the connecting rod, the upper end of the connecting rod is provided with the limiting block, and the upper end of the limiting block is provided with the annular groove.

[0008] Preferably, the surface of the motor is provided with a protective shell, and the lower end of the fixed rod is provided with a supporting plate.

[0009] Preferably, one side of the connecting rod is provided with a scraping strip, and the lower end of the limiting block is provided with a roller.

[0010] Preferably, the dismounting assembly comprises a mounting groove, a bidirectional threaded rod, a movable block, an insertion block, a dismounting block, a fixed block and a connecting block, wherein the lower end of the sanding rod is provided with the mounting groove, the inside of the mounting groove is provided with the bidirectional threaded rod, the surface of the bidirectional threaded rod is provided with the movable block in a symmetrical manner, one side of the movable block is provided with the insertion block, the surface of the insertion block is provided with the dismounting block, one side of the dismounting block is provided with the fixed block, and the lower end of the dismounting block is provided with the connecting block.

[0011] Preferably, the inside of the upper end of the mounting groove is provided with a limiting strip, and the inside of the upper end of the movable block is provided with a sliding groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The cleaning assembly is arranged, the cleaning and dust removal of the ring frame and the bottom frame are realized, the influence of dust accumulation is effectively reduced, the influence of the scattered dust on the workers is reduced, the exhaust efficiency of the fan is improved, and the reliability of the device is improved.

[0014] 2. The dismounting assembly is arranged, the dismounting and mounting of the ring frame are realized, the workers can dismount the ring frame needing maintenance, the ring frame can be quickly mounted by rotating the bidirectional threaded rod, and the practicability of the safety protection device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a formal cut view of the utility model;

[0017] Figure 3 It is a cleaning assembly schematic view of the utility model;

[0018] Figure 4 It is a dismounting assembly sectional view of the utility model.

[0019] In the figure: 1, ring frame; 2, connecting rod; 3, cross bar; 4, sanding rod; 5, boom; 6, bottom frame; 7, cleaning assembly; 71, motor; 72, mounting bracket; 73, fixed rod; 74, scraper; 75, connecting rod; 76, limit block; 77, annular groove; 8, disassembly assembly; 81, mounting groove; 82, two-way threaded rod; 83, movable block; 84, plug; 85, disassembly block; 86, fixed block; 87, connecting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 The utility model provides the following technical scheme: a safety protection device of industrial large fan, including ring frame 1, the upper end of ring frame 1 is provided with connecting rod 2, one side of connecting rod 2 is provided with cross bar 3, the upper end of cross bar 3 is provided with sanding rod 4 symmetrically, one side of sanding rod 4 is provided with boom 5, the lower end of ring frame 1 is provided with bottom frame 6, the lower end of bottom frame 6 is provided with cleaning assembly 7, the lower end of sanding rod 4 is provided with disassembly assembly 8.

[0023] Specifically, cleaning assembly 7 includes motor 71, mounting bracket 72, fixed rod 73, scraper 74, connecting rod 75, limit block 76 and annular groove 77, wherein the lower end of bottom frame 6 is provided with motor 71, the lower end of motor 71 is provided with mounting bracket 72, one side of mounting bracket 72 is provided with fixed rod 73, the upper end of fixed rod 73 is provided with a plurality of scraper 74, one end of fixed rod 73 is provided with connecting rod 75, the upper end of connecting rod 75 is provided with limit block 76, and the upper end of limit block 76 is provided with annular groove 77.

[0024] By adopting the above technical scheme, when cleaning bottom frame 6, start motor 71 to drive mounting bracket 72 and fixed rod 73 to rotate, fixed rod 73 drives scraper 74 to scrape off the dust at the lower end of bottom frame 6, and fixed rod 73 drives connecting rod 75 and limit block 76 to make limit block 76 slide inside annular groove 77, which can ensure the stable operation of the structure.

[0025] Specifically, the surface of motor 71 is provided with a protective shell, and the lower end of fixed rod 73 is provided with a support plate.

[0026] By adopting the above technical solution, when the motor 71 is working, the protective shell can prevent splashed parts from damaging the motor 71, and the support plate can improve the fixing effect of the mounting bracket 72 on the fixing rod 73.

[0027] Specifically, a scraper is provided on one side of the connecting rod 75, and a roller is provided at the lower end of the limiting block 76.

[0028] By adopting the above technical solution, when the connecting rod 75 rotates, the scraper can scrape off the dust on the side of the ring frame 1, and the roller can reduce the friction of the limiting block 76 on the annular groove 77.

[0029] In this embodiment, when in use: the motor 71 is started to drive the mounting bracket 72 and the fixing rod 73 to rotate. The fixing rod 73 drives the scraper 74 to scrape away the dust at the lower end of the bottom frame 6. At the same time, the fixing rod 73 drives the connecting rod 75 and the limiting block 76 and makes the limiting block 76 slide inside the annular groove 77, which can ensure the stable operation of the structure. When the motor 71 is working, the protective shell can prevent the flying parts from damaging the motor 71. The support plate can improve the fixing effect of the mounting bracket 72 on the fixing rod 73. When the connecting rod 75 rotates, the scraper can scrape away the dust on the side of the ring frame 1. The roller can reduce the friction of the limiting block 76 on the annular groove 77.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that, specifically, the disassembly and assembly component 8 includes an installation groove 81, a bidirectional threaded rod 82, a movable block 83, an insert block 84, a disassembly and assembly block 85, a fixing block 86, and a connecting block 87. The lower end of the frosted rod 4 is provided with an installation groove 81, the interior of the installation groove 81 is provided with a bidirectional threaded rod 82, the surface of the bidirectional threaded rod 82 is symmetrically provided with movable blocks 83, one side of the movable block 83 is provided with an insert block 84, the surface of the insert block 84 is provided with a disassembly and assembly block 85, one side of the disassembly and assembly block 85 is provided with a fixing block 86, and the lower end of the disassembly and assembly block 85 is provided with a connecting block 87.

[0032] By adopting the above technical solution, when disassembling the ring frame 1, the bidirectional threaded rod 82 is rotated to drive the two movable blocks 83 to move towards each other. The movable blocks 83 drive the insert block 84 to disengage from the inside of the disassembly block 85 and the fixing block 86, thereby allowing the connecting block 87 to move downwards, thus realizing the disassembly of the ring frame 1.

[0033] Specifically, a limit strip is provided at the upper inside of the mounting slot 81, and a sliding groove is provided at the upper inside of the movable block 83.

[0034] By adopting the above technical solution, when the movable block 83 moves, the limiting strip at the upper end of the movable block 83 can restrict the movement trajectory of the movable block 83 and ensure the stability of its movement state.

[0035] The embodiment is used as follows: rotating the bidirectional threaded rod 82 to drive the two movable blocks 83 to move towards each other, the movable blocks 83 drive the insertion blocks 84 to move out of the interiors of the dismounting blocks 85 and the fixed blocks 86, thereby moving the connecting block 87 downwards to realize the dismounting of the ring frame 1.

[0036] The motor 71 in the utility model is a prior art disclosed, and the selected model is GM25AM310.

[0037] The structure and use principle of the ring frame 1, the connecting rod 2, the cross rod 3, the sanding rod 4, the suspender 5 and the bottom frame 6 in the utility model have been disclosed in the safety protection device of the industrial large fan with patent application number 202221152861.8.

[0038] The working principle and use process of the utility model are as follows: when the safety protection device of the industrial large fan is used, the motor 71 is started to drive the mounting frame 72 and the fixed rod 73 to rotate, the fixed rod 73 drives the scraper 74 to scrape off the dust at the lower end of the bottom frame 6, and at the same time, the fixed rod 73 drives the connecting rod 75 and the limiting block 76 to slide in the annular groove 77, so that the operation stability of the structure is ensured; when the motor 71 works, the protective shell can prevent the splashing parts from damaging the motor 71, the supporting plate can improve the fixing effect of the mounting frame 72 on the fixed rod 73; when the ring frame 1 is dismounted, the bidirectional threaded rod 82 is rotated to drive the two movable blocks 83 to move towards each other, the movable blocks 83 drive the insertion blocks 84 to move out of the interiors of the dismounting blocks 85 and the fixed blocks 86, thereby moving the connecting block 87 downwards to realize the dismounting of the ring frame 1; when the movable blocks 83 move, the limiting strips at the upper ends of the movable blocks 83 can limit the movement trajectory of the movable blocks 83, so that the movement state is stable.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A safety protection device for an industrial large fan, comprising a ring frame (1), the upper end of the ring frame (1) is provided with a connecting rod (2), one side of the connecting rod (2) is provided with a cross rod (3), the upper end of the cross rod (3) is symmetrically provided with a frosted rod (4), one side of the frosted rod (4) is provided with a hanging rod (5), the lower end of the ring frame (1) is provided with a bottom frame (6), characterized in that: The lower end of the bottom frame (6) is provided with a cleaning assembly (7), and the lower end of the sanding rod (4) is provided with a disassembling assembly (8).

2. A safety protection device for an industrial fan according to claim 1, characterized in that: The cleaning assembly (7) comprises a motor (71), a mounting frame (72), a fixing rod (73), a scraper (74), a connecting rod (75), a limiting block (76) and an annular groove (77), wherein the lower end of the bottom frame (6) is provided with the motor (71), the lower end of the motor (71) is provided with the mounting frame (72), one side of the mounting frame (72) is provided with the fixing rod (73), the upper end of the fixing rod (73) is provided with a plurality of scrapers (74), one end of the fixing rod (73) is provided with the connecting rod (75), the upper end of the connecting rod (75) is provided with the limiting block (76), and the upper end of the limiting block (76) is provided with the annular groove (77).

3. A safety protection device for an industrial fan according to claim 2, characterized in that: The surface of the motor (71) is provided with a protective shell, and the lower end of the fixing rod (73) is provided with a supporting plate.

4. A safety device for an industrial fan as defined in claim 2, wherein: One side of the connecting rod (75) is provided with a scraping strip, and the lower end of the limiting block (76) is provided with a roller.

5. A safety device for an industrial fan as defined in claim 1, wherein: The disassembling assembly (8) comprises a mounting groove (81), a bidirectional threaded rod (82), a movable block (83), an insertion block (84), a disassembling block (85), a fixing block (86) and a connecting block (87), wherein the lower end of the sanding rod (4) is provided with the mounting groove (81), the inside of the mounting groove (81) is provided with the bidirectional threaded rod (82), the surface of the bidirectional threaded rod (82) is symmetrically provided with the movable block (83), one side of the movable block (83) is provided with the insertion block (84), the surface of the insertion block (84) is provided with the disassembling block (85), one side of the disassembling block (85) is provided with the fixing block (86), and the lower end of the disassembling block (85) is provided with the connecting block (87).

6. A safety device for an industrial fan as defined in claim 5, wherein: The inside upper end of the mounting groove (81) is provided with a limiting strip, and the inside upper end of the movable block (83) is provided with a sliding groove.

Citation Information

Patent Citations

  • Safety protection device of large industrial fan

    CN217539133U