CN215861010U

CN215861010U - Motor fan convenient to dismantle

Info

Publication number: CN215861010U
Application number: CN202121789249.7U
Authority: CN
Inventors: 张益铭; 任一凡; 朱俞霖; 钟振涛; 肖起航; 朱俊南
Original assignee: CNNC Fujian Nuclear Power Co Ltd
Current assignee: CNNC Fujian Nuclear Power Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-18
Anticipated expiration: 2031-08-03

Abstract

The utility model provides a motor fan convenient to disassemble, which comprises an aluminized mounting shell, a motor shaft, a fan mounting disc, metal fan blades, an aluminized grating, a bearing pipe and a reinforcing rod. A motor shaft is arranged at the center of the left side of the aluminized mounting shell; the rightmost end of the motor shaft is connected with a fan mounting disc; the metal fan blades are mounted on the fan mounting plate. One end of the reinforcing rod is connected with the center of the fan mounting disc, and the other end of the reinforcing rod is connected with the bearing pipe. The outer surface of the adapting pipe is provided with an aluminum-plated grid. The fan mounting disc can be quickly disassembled and assembled, and the metal fan blades and the fan mounting disc form a disassembling structure, so that the metal fan blades are convenient to replace, and the stability of the fan mounting disc during rotation is improved.

Description

Motor fan convenient to dismantle

Technical Field

The utility model belongs to the technical field of motor fans, and particularly relates to a motor fan convenient to disassemble.

Background

The motor is an electromagnetic device which realizes electric energy conversion by relying on an electromagnetic induction law, and is mainly used for generating driving torque and serving as a power source of various mechanical parts or cold air units. The main type of motor used in nuclear power plants is a three-phase asynchronous motor, and the structure of the motor comprises three major parts, namely a shell, a stator and a rotor. The rotor comprises a motor cooling fan, and the motor cooling fan has the function of transferring the heat of the motor body to the air through air flow so as to achieve the purpose of cooling the motor. The motor fan is generally installed on the motor shaft for interference fit, and is fixed through the jump ring, dismantles the fan and often need use draw horse and bar copper. In the process of dismantling, because the fan is tightly matched with the rotating shaft of the motor, the fan can be dismantled by using fire or large pulling force. Because the fan texture is softer and the structure model is various and the fan blade fracture etc. is unusual often appearing simultaneously, be not convenient for on-the-spot maintenance personal to carry out the dismantlement of fan.

In view of the above-mentioned shortcomings in the prior art, it is urgently needed to design a motor fan convenient to disassemble.

Disclosure of Invention

The utility model aims to design a motor fan convenient to disassemble, improve the working efficiency and realize quick disassembly and assembly of the fan.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a motor fan convenient to dismantle comprises an aluminized mounting shell, a motor shaft, a fan mounting disc, metal fan blades, an aluminized grating, a bearing pipe and reinforcing rods. A motor shaft is arranged at the center of the left side of the aluminized mounting shell; the rightmost end of the motor shaft is connected with a fan mounting disc; the metal fan blades are mounted on the fan mounting plate. One end of the reinforcing rod is connected with the center of the fan mounting disc, and the other end of the reinforcing rod is connected with the bearing pipe. The outer surface of the adapting pipe is provided with an aluminum-plated grid.

The motor fan convenient to disassemble is also provided with a bearing block and a connecting block. The right flank welding of fan mounting disc has the piece that holds, and the connecting block setting is in the outside that holds the piece to with accept the piece block joint and be connected, increase the connecting block and accept the stability that the piece is connected. The metal fan blades are welded on the outer side face of the connecting block.

The motor fan convenient to disassemble is also provided with a screw rod. The inside of the bearing block is provided with threads which are connected with the connecting screw rod through the threads.

Motor fan convenient to dismantle still is provided with the housing on the right side of aluminizing the installation shell, and the left end body coupling of housing has the collar. And the mounting ring is in threaded connection with the right end of the aluminized mounting shell. The inner side surface of the cover hood is welded and connected with an aluminized grating, and the inner side surface of the aluminized grating is fixedly connected with a receiving pipe.

The bearing blocks are arranged on the right side surface of the fan mounting plate at equal angles.

The angle such as aluminize grid welds the lateral surface at the adapter tube, and the right flank of the grid of aluminizing and the right flank parallel and level of adapter tube make things convenient for the later stage clearance to aluminize the grid.

The right-hand member longitudinal section of motor shaft is "ten" style of calligraphy structure, and the connected mode of motor shaft and fan mounting disc is connected for the block, makes things convenient for the dismouting combination between motor shaft and the fan mounting disc.

The fan mounting disc is connected with the reinforcing rod in a welding mode, the transverse center line of the reinforcing rod is coincided with the transverse center line of the motor shaft, and the stability of the fan mounting disc is improved by the aid of the reinforcing rod.

The right-hand member of gusset bar is spherical structure, and the gusset bar constitutes revolution mechanic with the adapter for the fan mounting disc can be rotatory on the right side of adapter.

This motor fan convenient to dismantle, quick assembly disassembly fan mounting disc, because metal flabellum constitutes dismantlement structure with the fan mounting disc, conveniently change metal flabellum, stable in structure.

The beneficial effects obtained by the utility model are as follows:

1. fan mounting disc convenient to dismantle: be provided with aluminized mounting shell, motor shaft, fan mounting disc, collar and housing, collar and the mounting shell threaded connection of aluminizing on the housing, through rotatory housing, take off housing and collar from the mounting shell of aluminizing, because the motor shaft is connected with fan mounting disc block, outside pulling fan mounting disc to with fan mounting disc and motor shaft separation.

2. Easy to disassemble and assemble the metal fan blades: be provided with the fan mounting disc, hold and connect piece, connecting block, screw rod and metal fan blade, hold the right flank of angular welding such as piece at the fan mounting disc, metal fan blade and connecting block welded connection, the connecting block passes through the screw rod and holds a fixed connection, takes off the screw rod, then mentions connecting block and metal fan blade to separate metal fan blade and fan mounting disc.

3. Stability when improving the fan mounting disc rotation: be provided with motor shaft, fan mounting disc, adapter tube and anchor strut, the motor shaft drives the rotatory in-process of fan mounting disc, and welded anchor strut rotates on the fan mounting disc and installs the inner at the adapter tube, utilizes the anchor strut to support the fan mounting disc between adapter tube and motor shaft.

Drawings

FIG. 1 is an elevational, cross-sectional view of a motor fan for ease of disassembly;

FIG. 2 is a side sectional view of the motor fan for ease of disassembly;

FIG. 3 is a schematic view of the connection structure of the connection block and the receiving block;

FIG. 4 is a schematic view of the connection structure of the aluminum-plated grille and the cover;

fig. 5 is a schematic view of the whole structure of the reinforcing rod and the fan mounting plate.

In the figure: 1, an aluminum-plated mounting shell; 2 is a motor shaft; 3 is a fan mounting plate; 4 is a bearing block; 5 is a connecting block; 6 is a screw rod; 7 is a metal fan blade; 8 is a mounting ring; 9 is a cover; 10 is an aluminum-plated grid; 11 is a bearing pipe; and 12 is a reinforcing rod.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

As shown in fig. 1 to 5, the present invention provides a motor fan convenient to disassemble, which includes an aluminum-plated mounting case 1, a motor shaft 2, a fan mounting plate 3, metal fan blades 7, an aluminum-plated grille 10, a adapting pipe 11 and a reinforcing rod 12. A motor shaft 2 is arranged at the center of the left side of the aluminized mounting shell 1; the rightmost end of the motor shaft 2 is connected with a fan mounting disc 3; the metal fan blades 7 are mounted on the fan mounting plate 3. One end of the reinforcing rod 12 is connected to the center of the fan installation plate 3, and the other end is connected to the socket pipe 11. The outer surface of the socket pipe 11 is provided with an aluminum-plated grill 10.

Motor fan convenient to dismantle still is provided with and holds receiving block 4, connecting block 5. The right flank welding of fan mounting disc 3 has and holds in touch with piece 4, and connecting block 5 sets up in the outside of accepting piece 4 to with accept 4 block connections of piece, increase connecting block 5 and the stability of accepting 4 connections of piece. The metal fan blades 7 are welded on the outer side surface of the connecting block 5.

The motor fan convenient to disassemble is also provided with a screw rod 6. The interior of the bearing block 4 is provided with threads and is connected with the connecting screw rod 6 through the threads.

Motor fan convenient to dismantle still is provided with housing 9 on aluminizing the right side of installation shell 1, and the left end an organic whole of housing 9 is connected with collar 8. And the mounting ring 8 is in threaded connection with the right end of the aluminized mounting shell 1. An aluminum-plated grid 10 is welded to the inner side of the cap 9, and a receiving pipe 11 is fixedly connected to the inner side of the aluminum-plated grid 10.

The receiving blocks 4 are arranged on the right side surface of the fan mounting plate 3 at equal angles.

The aluminum-plated grille 10 is welded on the outer side surface of the bearing pipe 11 at equal angles, and the right side surface of the aluminum-plated grille 10 is flush with the right side surface of the bearing pipe 11, so that the aluminum-plated grille 10 can be cleaned conveniently in the later period.

The right-hand member longitudinal section of motor shaft 2 is "ten" style of calligraphy structure, and motor shaft 2 is connected for the block with the connected mode of fan mounting disc 3, makes things convenient for the dismouting combination between motor shaft 2 and the fan mounting disc 3.

The fan mounting disc 3 and the reinforcing rod 12 are connected in a welding mode, the transverse center line of the reinforcing rod 12 is overlapped with the transverse center line of the motor shaft 2, and the stability of the fan mounting disc 3 is improved by the reinforcing rod 12.

The right end of the reinforcing rod 12 is of a spherical structure, and the reinforcing rod 12 and the socket 11 form a rotating structure, so that the fan mounting plate 3 can rotate on the right side of the socket 11.

The working process of the utility model is as follows:

when the motor fan convenient to disassemble is used, firstly, as shown in fig. 1, fig. 2 and fig. 4, the cover 9 is fixedly connected with the mounting ring 8, the mounting ring 8 is connected with the aluminized mounting shell 1 in a threaded manner, when the motor fan needs to be disassembled, the mounting ring 8 is separated from the aluminized mounting shell 1 by rotating the cover 9, and the fan mounting disk 3 is separated from the motor shaft 2 by pulling the fan mounting disk 3 outwards due to the clamping connection of the motor shaft 2 and the fan mounting disk 3, so that the fan mounting disk 3 is removed from the inner side of the aluminized mounting shell 1;

when metal fan blade 7 needs to be replaced, the connection mode of screw 6 and bearing block 4 and connecting block 5 is threaded connection, through rotating screw 6, take off screw 6 from bearing block 4 and connecting block 5, then outwards mention metal fan blade 7, as shown in fig. 3, make connecting block 5 leave bearing block 4, thereby take off metal fan blade 7, motor shaft 2 drives fan mounting disc 3 and the rotatory in-process of metal fan blade 7, the end of anchor strut 12 is rotatory in the inner of bearing pipe 11, utilize anchor strut 12 to support fan mounting disc 3, increase the stability of fan mounting disc 3 installation, above just accomplish a series of operations of this motor fan convenient to dismantle.

The beneficial effects obtained by the utility model are as follows:

Claims

1. The utility model provides a motor fan convenient to dismantle which characterized in that: the fan comprises an aluminized mounting shell (1), a motor shaft (2), a fan mounting disc (3), metal fan blades (7), an aluminized grating (10), a bearing pipe (11) and a reinforcing rod (12); a motor shaft (2) is arranged at the center of the left side of the aluminized mounting shell (1); the rightmost end of the motor shaft (2) is connected with a fan mounting disc (3); the metal fan blades (7) are arranged on the fan mounting plate (3); one end of the reinforcing rod (12) is connected with the center of the fan mounting disc (3), and the other end of the reinforcing rod is connected with the bearing pipe (11); the outer surface of the bearing pipe (11) is provided with an aluminum-plated grid (10).

2. The detachable motor fan of claim 1, wherein: the motor fan convenient to disassemble is also provided with a bearing block (4) and a connecting block (5); a bearing block (4) is welded on the right side surface of the fan mounting disc (3); the connecting block (5) is arranged on the outer side of the bearing block (4) and is clamped and connected with the bearing block (4); the metal fan blades (7) are welded on the outer side surface of the connecting block (5).

3. The detachable motor fan of claim 2, wherein: the motor fan convenient to disassemble is also provided with a screw (6); the interior of the bearing block (4) is provided with threads and is connected with the connecting screw rod (6) through the threads.

4. The detachable motor fan of claim 3, wherein: the motor fan convenient to disassemble is characterized in that a cover (9) is arranged on the right side of the aluminized mounting shell (1), and the left end of the cover (9) is integrally connected with a mounting ring (8); the mounting ring (8) is in threaded connection with the right end of the aluminized mounting shell (1).

5. The detachable motor fan of claim 4, wherein: the inner side surface of the cover hood (9) is connected with an aluminum-plated grid (10) in a welding mode, and the inner side surface of the aluminum-plated grid (10) is fixedly connected with a bearing pipe (11).

6. The detachable motor fan of claim 5, wherein: the bearing blocks (4) are arranged on the right side face of the fan mounting disc (3) at equal angles.

7. The detachable motor fan of claim 6, wherein: the aluminum-plated grating (10) is welded on the outer side surface of the bearing pipe (11) at equal angles, and the right side surface of the aluminum-plated grating (10) is flush with the right side surface of the bearing pipe (11).

8. The detachable motor fan of claim 7, wherein: the right-end longitudinal section of the motor shaft (2) is of a cross-shaped structure, and the motor shaft (2) is connected with the fan mounting disc (3) in a clamping manner.

9. The detachable motor fan according to claim 1 or 8, wherein: the fan mounting disc (3) and the reinforcing rod (12) are connected in a welding mode, and the transverse center line of the reinforcing rod (12) is superposed with the transverse center line of the motor shaft (2).

10. The detachable motor fan of claim 9, wherein: the right end of the reinforcing rod (12) is of a spherical structure, and the reinforcing rod (12) and the bearing pipe (11) form a rotating structure.