CN220354081U

CN220354081U - Industrial fan with high safety performance

Info

Publication number: CN220354081U
Application number: CN202321998109.XU
Authority: CN
Inventors: 洪秋平
Original assignee: Shenzhen Mori Field Electrical Equipment Co ltd
Current assignee: Shenzhen Mori Field Electrical Equipment Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-01-16
Anticipated expiration: 2033-07-27

Abstract

The utility model relates to the technical field of industrial fans, and discloses a high-safety industrial fan which comprises a support vertically arranged on a roof beam, a motor fixed with the support, fan blades fixedly connected with the motor and driven by the motor to rotate, wherein the motor is provided with a hollow motor shaft; a steel wire pulling disc is fixed above the motor shaft, and a base with a plurality of hanging rings is fixed below the motor shaft; the steel wire pulling disc is connected with a plurality of first steel wire ropes and is hung on the roof through the first steel wire ropes. The beneficial effects are as follows: the utility model provides an industrial fan, which is characterized in that a support is connected with a cross beam, a middle steel wire pulling disc is connected with a first steel wire rope, a second steel wire rope at the bottom is connected with a lifting ring after being tensioned, and then the lifting ring passes through a hollow motor shaft to be connected with the support, so that multiple guarantees of industrial fan safety protection are formed. The utility model is applicable to various industrial fan occasions and ensures the connection stability in the use process.

Description

Industrial fan with high safety performance

Technical Field

The utility model relates to the technical field of industrial fans, in particular to an industrial fan with high safety performance.

Background

The industrial fan is a common industrial machine widely applied to high-rise spaces such as industrial plants, logistics storage, waiting rooms, exhibition halls, gymnasiums and the like, and used for ventilation of the spaces and cooling of personnel. The air flow layer can push a large amount of air flow to the ground, and forms a certain height of air flow layer to move horizontally on the ground, so that the whole air circulation is promoted, and natural ventilation and ultra-large area coverage can be realized.

The industrial fan in the existing market is often an industrial ceiling fan, and the structure of the industrial fan mainly comprises a support connected with a roof, a motor connected with the support and fan blades connected with the motor. The fan blades are driven by the motor to circularly rotate, so that the flow of indoor air is driven. However, the size of the fan blades of the industrial fan is huge, the current maximum size can reach 7.3 meters, the rotating speed of the fan blades is high, the industrial fan has large weight, and the industrial fan can be aged and damaged in the long-time use process, so that the industrial fan can fall down.

In the prior art, in order to enhance the connection stability of the industrial fan, a wire rope is used to connect a stator part or a non-rotating part in the industrial fan to prevent the industrial fan from falling. In patent literature, for example, the patent publication number is CN 111734661A, and the name is a hollow shaft industrial fan with safety, reliability and strong heat dissipation function, which uses a first steel wire rope to hang a hanging rack assembly on a roof, and uses a second steel wire rope to hang the upper part of an anti-drop center supporting rod on the roof, so as to form multiple protection of the industrial fan. But the stable connection of industrial fan can not be guaranteed to the connection structure of single wire rope, and in this document simultaneously, second wire rope is connected in the upper portion of anticreep center die-pin, and when the connection failure of first wire rope and stores pylon subassembly, the weight of flabellum concentrates on the bottom of anticreep center die-pin, still probably has the risk that industrial fan falls.

Disclosure of Invention

In order to overcome the possible safety problem in the long-time use process of the industrial fan in the prior art, the utility model provides the industrial fan with high safety performance, and the specific technical scheme is as follows:

the industrial fan with high safety performance comprises a support vertically arranged on a roof beam, a motor fixed with the support, and fan blades fixedly connected with the motor and driven by the motor to rotate, wherein the motor is provided with a hollow motor shaft; a steel wire pulling disc is fixed above the motor shaft, and a base with a plurality of hanging rings is fixed below the motor shaft; the steel wire pulling disc is connected with a plurality of first steel wire ropes and is hung on the roof through the first steel wire ropes; the hanging ring of the base is penetrated and tensioned by a second steel wire rope, and the second steel wire rope penetrates through the motor shaft to be connected with the support.

Further, the support comprises an upper support and a boom; the upper support comprises a mounting surface in a shape of a Chinese character '[' and a mounting sheet protruding from the mounting surface; an elliptical mounting hole is formed in the mounting surface; the mounting plate is provided with a connecting hole connected with the suspender.

Further, the suspender is a rectangular hollow tube, the left and right sides of the upper part are connected with the mounting sheet, and the front and rear sides of the lower part are connected with the motor.

Further, the motor shaft comprises a motor main shaft and a hollow shaft positioned at the motor stator.

Further, the wire pulling disc comprises a disc and a hollow cylinder connected with the disc; the center of the disc is provided with a first through hole, and the hollow cylinder is fixed in the first through hole.

Further, the upper surface of the disc is also provided with a plurality of circular through holes; the outer side face of the hollow cylinder is provided with a bolt hole, and the hollow cylinder is connected with the motor through a bolt and a locating pin.

Further, the base comprises a plurality of hanging rings which are uniformly arranged, a second through hole which is positioned on the upper surface of the base and an assembly hole which is arranged around the second through hole; the base is connected with the motor through the assembly hole and enables the second through hole to be communicated with the inside of the motor shaft.

Further, the motor comprises a motor main shaft, a motor stator, a motor shell, a lower end cover, an upper end cover and a fan blade fixing plate, wherein the motor stator is provided with a hollow shaft and is coaxially arranged with the motor main shaft, the motor shell surrounds the outer side of the motor stator and is arranged with the motor stator at intervals, the lower end cover is arranged below the motor shell, the upper end cover is arranged above the motor shell, and the fan blade fixing plate is fixedly connected with the upper end cover.

Further, the fan blade is sleeved on the fan blade fixing plate, and the inside of the fan blade is clamped with the fan blade fixing plate and is fixed with the fan blade fixing plate through the bolt connecting piece.

Further, the motor is a permanent magnet motor, and the fan blade is a fixed wing aluminum alloy hollow fan blade.

The beneficial effects of the utility model are as follows: the utility model provides an industrial fan, which is characterized in that a support is connected with a cross beam, a middle steel wire pulling disc is connected with a first steel wire rope, a second steel wire rope at the bottom is connected with a lifting ring after being tensioned, and then the lifting ring passes through a hollow motor shaft to be connected with the support, so that multiple guarantees of industrial fan safety protection are formed. The utility model is applicable to various industrial fan occasions and ensures the connection stability in the use process.

Drawings

Fig. 1 is a schematic structural view of an industrial fan according to the present utility model.

Fig. 2 is a schematic view of the structure of the support of the present utility model.

Fig. 3 is a schematic view of the structure of the upper support of the present utility model.

Fig. 4 is a schematic view of the construction of the boom of the present utility model.

Fig. 5 is an exploded view of the motor of the present utility model.

Fig. 6 is a schematic view of the assembled state of the motor of the present utility model.

Fig. 7 is a schematic cross-sectional view of the motor of the present utility model.

Fig. 8 is a schematic structural view of the wire pulling tray of the present utility model.

Fig. 9 is a schematic view of the structure of the base of the present utility model.

FIG. 10 is a schematic view of a fan blade attachment according to the present utility model.

Wherein:

100-supporting seat; 200-a motor; 300-fan blades;

110-upper support; 120-boom;

210-a motor spindle; 220-a steel wire pulling disc; 230-fan blade fixing plate; 240-upper end cap;

250-metal ring pad; 260-motor stator; 270-a motor housing; 280-a lower end cover;

290-base;

111-mounting surface; 112-mounting piece;

221-a disc; 222—a hollow cylinder; 223-circular through holes; 224-bolt hole;

225-a first through hole;

241-upper shield;

281-lower cover;

291-hanging ring; 292-a second through hole; 293-fitting holes.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to improve the safety performance of the existing industrial fan and prevent the industrial fan from falling, the utility model provides a high-safety industrial fan, the structure of which is shown in fig. 1, comprising a support 100, a motor 200 and fan blades 300; the upper part of the support 100 is connected with a cement cross beam or a steel frame structure, and the lower part is connected with a motor 200; the fan blade 300 is fixed to the outside of the motor 200 and rotates together with the rotor portion of the motor 200.

The stand 100 is constructed as shown in fig. 2, and includes an upper stand 110 and a boom 120. The upper support 110 has a structure shown in fig. 3, including a mounting surface 111 having a "[ -shape, and a mounting piece 112 protruding from the mounting surface 111. The mounting surface 111 is provided with oval mounting holes (not shown in the drawing), the mounting surface 111 is vertically mounted on the beam through the mounting holes, and when the mounting surface 111 is connected with the cement beam, the mounting surface can be fixed by adopting expansion bolts; when the connecting piece is connected with a steel beam, other connecting accessories are required to be additionally arranged, so that the connecting piece is fixedly connected in angle steel or I-steel of the steel beam. One side of the mounting surface 111 is connected with the beam, the other side of the mounting surface protrudes out of the mounting plate 112, two mounting plates 112 are arranged, a connecting hole connected with the hanging rod 120 is arranged on the mounting plate 112, and a mounting space of the hanging rod 120 is formed between the two mounting plates 112. As shown in fig. 4, the boom 120 is a rectangular hollow tube, and has a through hole on the left and right sides of the upper portion connected to the mounting plate 112, and a through hole on the front and rear sides of the lower portion connected to the motor 200.

The motor 200 has a structure as shown in fig. 5 and 6, and includes a motor main shaft 210, a wire drawing plate 220, a fan blade fixing plate 230, an upper end cover 240, an upper blocking cover 241, a metal ring pad 250, a motor stator 260, a motor housing 270, a lower end cover 280, a lower blocking cover 281, and a base 290. The suspension rod 120 is sleeved on the outer side of the upper part of the motor main shaft 210 and connects the motor main shaft 210 through a bolt connecting piece, the lower part of the motor main shaft 210 sequentially passes through the steel wire pulling disc 220, the fan blade fixing plate 230 and the upper end cover 240, and is in threaded connection with the upper end of the hollow shaft of the motor stator 260 through the upper baffle cover 241 in the motor. The hollow shaft lower end of the motor stator 260 is connected to a lower blocking cover 281 at the through hole of the lower end cap 280. The base 290 is connected below the lower shield 281. Both the upper and lower blocking covers 241 and 281 may employ ball bearings.

The motor 200 is an outer rotor type permanent magnet motor including a stator assembly and a rotor assembly rotating around the stator assembly. The stator assembly comprises a motor stator 260, an upper baffle cover 241, a motor main shaft 210, a steel wire pull disc 220, a lower baffle cover 281 and a base 290; the rotor assembly includes a fan blade mounting plate 230, an upper end cap 240, a metal ring pad 250, a motor housing 270, and a lower end cap 280. The motor stator 260 is located within an annular cavity formed by the motor housing 270 and the motor spindle 210. The motor housing 270 is a magnetic steel cylinder, and is driven to rotate by the motor stator 260, and when the motor housing 270 rotates, the motor housing 270 drives the upper end cover 240 and the lower end cover 280 to synchronously rotate, and the fan blade fixing plate 230 is fixedly connected to the upper surface of the upper end cover 240 and rotates along with the upper end cover 240.

The utility model is designed to increase the connection stability of the industrial fan and prevent the industrial fan from falling down in the use process, as shown in fig. 6, the utility model adopts the technical points that 1. The support 100 is fixedly connected with the cross beam; 2. the first steel wire rope is connected with the steel wire pulling disc 220, and the steel wire pulling disc 220 is connected with the motor main shaft 210 into a whole, so that the operation of the motor is not influenced; 3. after the hanging rings are locked by adopting a second steel wire rope and a plurality of hanging rings penetrating through the base 290, the second steel wire rope sequentially penetrates through the lower blocking cover 281, the hollow shaft of the motor stator 260, the motor main shaft 210 and the hanging rod 120 from bottom to top to be connected with the upper support 110. In the present utility model, the support 100 is connected to the upper portion of the industrial fan, the wire drawing disc 220 is positioned at the upper portion of the motor 200, the base 290 is positioned at the bottom of the motor 200, and multiple supports are provided to the industrial fan in the vertical direction, so that the connection stability of the industrial fan is enhanced, and the industrial fan is prevented from falling during the use.

The steel wire pulling disc 220 has a structure as shown in fig. 5 to 8, and comprises a disc 221 and a hollow cylinder 222, wherein a first through hole 225 is arranged at the center of the disc 221, and the hollow cylinder 222 is fixed in the first through hole 225. The upper surface of the hollow cylinder 222 is flush with the upper surface of the disc 221, and the lower surface of the hollow cylinder 222 protrudes from the lower surface of the disc 221. The disc 221 is provided at an upper surface with a plurality of circular through holes 223, and the circular through holes 223 are used for connection with the first wire rope. The outer side surface of the hollow cylinder 222 is provided with a bolt hole 224, and the hollow cylinder 222 is connected with the motor spindle 210 through a bolt and a locating pin. Four wire ropes are typically used to suspend the wire pulling tray 220.

The base 290 has a structure as shown in fig. 5, 6, 7 and 9, and the base 290 includes a plurality of hanging rings 291 uniformly provided, a second through hole 292 formed at an upper surface of the base 290, and a fitting hole 293 provided around the second through hole 292. The base 290 is connected to the hollow shaft of the motor stator 260 through the fitting hole 293, and the second through hole 292 is made to communicate with the inside of the hollow shaft of the motor stator 260. The second wire rope passes through the hanging ring 291 in turn and locks the hanging ring, and then passes through the second through hole 292, the hollow shaft of the motor stator 260, and the motor main shaft 210 to be connected with the support 100.

As shown in fig. 10, the fan 300 is sleeved on the fan fixing plate 230, and the inside of the fan 300 is clamped with the fan fixing plate 230 and connected with the fan fixing plate 230 through a bolt connecting piece, and rotates together with the fan fixing plate 230. In the utility model, the motor adopts a permanent magnet motor, and the fan blade adopts a fixed wing aluminum alloy hollow fan blade.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high security's industrial fan, includes the support of perpendicular installation in roof crossbeam, with the motor that the support is fixed, fixed connection the motor and by the flabellum that the motor drove the rotation, its characterized in that, the motor is provided with hollow motor shaft; a steel wire pulling disc is fixed above the motor shaft, and a base with a plurality of hanging rings is fixed below the motor shaft; the steel wire pulling disc is connected with a plurality of first steel wire ropes and is hung on the roof through the first steel wire ropes; the hanging ring of the base is penetrated and tensioned by a second steel wire rope, and the second steel wire rope penetrates through the motor shaft to be connected with the support.

2. The high safety industrial fan of claim 1, wherein the mount comprises an upper mount and a boom; the upper support comprises a mounting surface in a shape of a Chinese character '[' and a mounting sheet protruding from the mounting surface; an elliptical mounting hole is formed in the mounting surface; the mounting plate is provided with a connecting hole connected with the suspender.

3. The high-safety industrial fan according to claim 2, wherein the suspension rod is a rectangular hollow tube, the upper left and right sides are connected to the mounting plate, and the lower front and rear sides are connected to the motor.

4. The high safety industrial fan of claim 1, wherein the motor shaft comprises a motor main shaft and a hollow shaft positioned at a motor stator.

5. The high safety industrial fan of claim 1, wherein the wire pulling disc comprises a circular disc and a hollow cylinder connected to the circular disc; the center of the disc is provided with a first through hole, and the hollow cylinder is fixed in the first through hole.

6. The high-safety industrial fan according to claim 5, wherein the upper surface of the disk is further provided with a plurality of circular through holes; the outer side face of the hollow cylinder is provided with a bolt hole, and the hollow cylinder is connected with the motor through a bolt and a locating pin.

7. The high safety industrial fan of claim 1, wherein the base comprises a plurality of hanging rings uniformly arranged, a second through hole positioned on the upper surface of the base, and a fitting hole arranged around the second through hole; the base is connected with the motor through the assembly hole and enables the second through hole to be communicated with the inside of the motor shaft.

8. The high-safety industrial fan according to claim 1, wherein the motor comprises a motor main shaft, a motor stator with a hollow shaft and coaxially arranged with the motor main shaft, a motor housing surrounding the outer side of the motor stator and arranged at intervals with the motor stator, a lower end cover arranged below the motor housing, an upper end cover arranged above the motor housing, and a fan blade fixing plate fixedly connected with the upper end cover.

9. The high-safety industrial fan according to claim 8, wherein the fan blades are sleeved on the fan blade fixing plate, and the inside of the fan blades are clamped with the fan blade fixing plate and fixed with the fan blade fixing plate through a bolt connecting piece.

10. The high safety industrial fan of claim 9, wherein the motor is a permanent magnet motor and the blades are fixed wing aluminum alloy hollow blades.