CN212947563U

CN212947563U - Magnetic suspension fan impeller dismounting device

Info

Publication number: CN212947563U
Application number: CN202021157839.3U
Authority: CN
Inventors: 杜志军; 余尚宇; 吴立华; 董继勇
Original assignee: Nanjing Cigu Technology Co Ltd
Current assignee: Nanjing Cigu Technology Co Ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-04-13
Anticipated expiration: 2030-06-22
Also published as: WO2021258430A1

Abstract

The utility model discloses a magnetic suspension fan impeller dismounting device, which comprises a screw rod, a porous pressing plate, a pressing bolt, a force application rod and a handle; the stress application rod is connected with the top end of the screw rod, the screw rod is connected with the porous pressing plate, and the bottom end of the screw rod is provided with a frustum; the handle is fixedly connected with the side surface of the porous pressing plate; the multi-hole pressing plate is provided with pressing bolt holes, and various bolt holes aiming at different impeller models are designed on the multi-hole pressing plate; the porous pressing plate is connected with a balance weight bolt hole on the end face of the fan impeller through a pressing bolt, and a bolt hole is arranged in the center of the porous pressing plate and connected with a screw rod; the utility model discloses it is convenient to dismantle magnetic suspension fan wheel, can not cause the damage to impeller and rotor, can be applicable to the impeller of different models.

Description

Magnetic suspension fan impeller dismounting device

Technical Field

The utility model relates to a mechanical assembly technical field, concretely relates to magnetic suspension fan impeller dismounting device.

Background

The magnetic suspension fan impeller has a compact structure, the cross section of the end part of the impeller is smaller, and a matching balance bolt hole is arranged. The impeller is closely matched with the rotor, the magnetic suspension fan is operated for a long time, foreign matters such as dust fall into a fit clearance between the impeller and the rotor, and the impeller is difficult to disassemble. The prior method has the following defects: 1. the impeller blade and the rotor threaded hole tooth are easy to damage; 2. the impeller is difficult to apply acting force and is difficult to disassemble; 3. and various specifications of tools are required to be equipped for impellers of different models.

SUMMERY OF THE UTILITY MODEL

The technical purpose is as follows: not enough in the aspect of magnetic suspension fan impeller dismantlement to prior art, the utility model discloses an assemble portably, convenient operation, can not cause the damage to the fan structure, can be applicable to the magnetic suspension fan impeller dismounting device of multiple model magnetic suspension fan impeller simultaneously.

The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:

a magnetic suspension fan impeller dismounting device comprises a screw rod, a porous pressing plate, a pressing bolt, a force application rod, a handle and a frustum; the upper end of the screw rod is provided with a round hole, and the bottom end of the screw rod is connected with the frustum; one end of the stress application rod penetrates through a round hole in the upper end of the screw rod to be connected with the screw rod, and the other end of the stress application rod is provided with a boss, so that the stress application rod cannot slide out when rotating the screw rod.

The porous pressing plate is provided with a central threaded hole and is connected with the screw rod, and the side surface of the porous pressing plate is connected with the handle; the porous pressing plate is provided with symmetrical pressing bolt holes, and the pressing bolts fixedly connect the porous pressing plate with the end face of the impeller through the pressing bolt holes.

Preferably, the pressing bolt holes formed in the porous pressing plate are at least one pair, and multiple groups of pressing bolt holes can be formed, so that the requirements of magnetic suspension fan impellers of different models are met, and the pressing plate does not need to be frequently replaced.

Preferably, the bottom of the screw rod is in threaded connection with the frustum, so that the whole device can be conveniently detached and stored, the space is saved, and the frustum is in contact with the end face of the rotor of the magnetic suspension fan, so that the bolt holes for mounting the end face of the rotor cannot be damaged.

Preferably, the side face of the porous pressing plate is fixedly connected with the handle, so that the operation is convenient, the rotating torque for the impeller is reduced when the force applying rod is used for rotating the screw rod, and the damage to the impeller is avoided.

The utility model discloses during the use, place porous clamp plate on magnetic suspension fan impeller terminal surface, find out on the porous clamp plate with the corresponding bolt hole that compresses tightly of the counter weight bolt hole of impeller terminal surface, installation clamp bolt rotates the frustum and the rotor end face contact that the application of force pole made the lead screw bottom, handheld handle rotates the application of force pole, axial force is applyed to the rotor to the lead screw, impeller and rotor separation, the dismantlement of completion impeller.

Has the advantages that: the utility model discloses a frustum is connected at the bottom of the lead screw, so as to avoid the damage to the bolt hole at the end part of the rotor of the magnetic suspension fan during disassembly; the porous pressing plate is provided with a plurality of groups of different pressing bolt holes, so that the dismounting requirements of magnetic suspension fan impellers of different models can be met, and the working efficiency is improved; the handle is connected to porous clamp plate side, conveniently dismantles the operation, reduces the turning moment that the lead screw rotated and brings the impeller simultaneously, alleviates the damage to magnetic suspension fan wheel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the end face of the impeller;

fig. 3 is a partial cross-sectional view of the present invention after being connected to an impeller;

wherein, 1-screw rod, 2-porous pressing plate, 3-pressing bolt, 4-forcing rod, 5-handle, 6-pressing bolt hole, 7-frustum, 8-central threaded hole, 9-counterweight bolt hole, 10-impeller, 11-rotor, 12-boss and 13-round hole.

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention as described herein.

As shown in fig. 1, the magnetic suspension fan impeller dismounting device provided by the present invention comprises a screw rod 1, a porous pressing plate 2, a pressing bolt 3, a forcing rod 4, a handle 5 and a frustum 7; the upper end of the screw rod 1 is provided with a round hole 13, one end of the stress application rod 4 penetrates through the round hole 13 to be connected with the screw rod 1, the stress application rod 4 is in clearance fit with the round hole 13, the other end of the stress application rod 4 is provided with a boss 12, and the stress application rod 4 is prevented from sliding off when rotating.

Porous clamp plate 2 sets up many pairs of pressure bolt hole 6 to satisfy the requirement of the impeller 10 of multiple model magnetic suspension fan, porous clamp plate 2 sets up central screw hole 8, and lead screw 1 is connected through central screw hole 8 and

porous clamp plate

2, 1 bottom of lead screw and frustum 7 threaded connection, and when frustum 7 can reduce impeller 10 and dismantle, the damage that causes rotor 11's terminal surface.

The side surface of the porous pressing plate 2 is fixedly connected with the handle 5, so that the handle is convenient to hold, and meanwhile, the rotating torque applied to the impeller 10 when the screw rod 1 rotates can be reduced, and the impeller 10 is prevented from being damaged.

The utility model discloses an impeller 10 of magnetic suspension fan is connected, as figure 2, as shown in figure 3, inside 1 bottom of lead screw and frustum 7 get into the impeller through impeller 10's centre bore, porous clamp plate 2 and impeller 10's terminal surface laminating, the selection compresses tightly the counter weight bolt hole 9 correspondence of bolt hole and impeller 10 terminal surface, installation clamp bolt 3, with porous clamp plate 2 and impeller 10 fixed connection, rotate the thrust rod, lead screw 1 removes along the central bolt hole of porous clamp plate 2, the contact of the mounting bolt hole of frustum 7 terminal surface and rotor 11 terminal surface, handheld handle 5, continue to rotate the thrust rod 4, axial thrust is applyed to rotor 11 to lead screw 1, the constantly extend the thrust rod can be ejecting with rotor 11.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a magnetic suspension fan wheel dismounting device which characterized in that: comprises a screw rod (1), a porous pressing plate (2), a pressing bolt (3), a stressing rod (4), a grip (5) and a frustum (7); the stress application rod (4) is connected with the top of the screw rod (1), and the grip (5) is connected with the side surface of the porous pressing plate (2); the screw rod (1) is connected with the porous pressing plate (2);

the porous pressing plate (2) is provided with a central threaded hole (8), and the screw rod (1) is connected with the porous pressing plate (2) through the central threaded hole (8); the porous pressing plate (2) is provided with symmetrical pressing bolt holes (6), and the pressing bolts (3) fix the porous pressing plate (2) in balance weight bolt holes (9) on the end face of the impeller through the pressing bolt holes (6).

2. The magnetic suspension fan impeller dismounting device of claim 1, characterized in that: at least one pair of pressing bolt holes (6) on the porous pressing plate (2) is provided.

3. The magnetic suspension fan impeller dismounting device of claim 1, characterized in that: the bottom end of the screw rod (1) is connected with the frustum (7).

4. The magnetic suspension fan impeller dismounting device of claim 1, characterized in that: the top end of the screw rod (1) is provided with a round hole (13), and one end of the stressing rod (4) penetrates through the round hole (13) to be connected with the screw rod (1).

5. The magnetic levitation fan impeller dismounting device as claimed in claim 4, wherein: one end of the stressing rod (4) is provided with a boss (12).