CN211103744U

CN211103744U - Combined fan impeller dismounting tool

Info

Publication number: CN211103744U
Application number: CN201921735511.2U
Authority: CN
Inventors: 解利俊; 郭子林; 张海英; 李晓东; 夏云龙
Original assignee: Hebei Iron and Steel Group Mining Co Ltd
Current assignee: Hebei Iron and Steel Group Mining Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-28
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a modular fan wheel assembly and disassembly tools, it includes the sleeve pipe coaxial with fan wheel, lead screw and draws the dish, the middle part of drawing the dish is equipped with the centre bore that matches with the sleeve pipe, is equipped with a plurality of dismantlements trompils around this centre bore, every dismantlement be equipped with in the trompil with fan wheel hub on the bolt of threaded mounting hole assorted, the sleeve pipe is equipped with and draws the corresponding ring chuck of dish with the one end that fan wheel is relative, the other end be equipped with the external screw thread assorted internal thread of lead screw. The utility model discloses by sleeve pipe, lead screw, draw set and bolt combination to become fan wheel's extracting tool, it is ejecting from fan wheel with the motor shaft to utilize the lead screw, greatly reduced fan wheel's the dismantlement degree of difficulty to axial fan maintenance efficiency has been improved, maintenance personal's intensity of labour has been reduced, the normal clear of enterprise's production has been guaranteed.

Description

Combined fan impeller dismounting tool

Technical Field

The utility model relates to a combination formula instrument for dismantling and installing axial fan impeller belongs to workshop instrument technical field.

Background

The axial flow fan is a common fan for industrial and mining enterprises, and a motor and an impeller of the axial flow fan are both arranged in a cylinder, so that the axial flow fan is convenient to install and use and has an obvious ventilation effect. After the axial flow fan is used for a long time, both an impeller and a motor of the axial flow fan can break down, the impeller of the fan is frequently required to be detached when the axial flow fan is maintained to be broken down, and the impeller is installed in place after the failure is processed. In the maintenance process of the fan, if no proper tool is available, the difficulty in disassembling and installing the impeller is very high, the labor intensity of maintenance personnel is increased, the maintenance efficiency is very low, and the normal operation of enterprise production is seriously influenced. Although the existing puller can solve the problem of disassembly of the fan impeller, the problem of installation cannot be solved, and therefore, the combined tool for disassembling and installing the axial flow fan impeller is very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular fan impeller assembly and disassembly tools to prior art's drawback to improve axial fan maintenance efficiency, reduce maintenance personal's intensity of labour.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a modular fan wheel assembly and disassembly tools, includes in the constitution with coaxial sleeve pipe, lead screw of fan wheel and draws the dish, the middle part of drawing the dish is equipped with the centre bore that matches with the sleeve pipe, is equipped with a plurality of dismantlements trompils around this centre bore, is equipped with a bolt that matches with the screw thread mounting hole on the fan wheel hub in every dismantlement trompil, the sleeve pipe is equipped with the annular chuck corresponding with drawing the dish with the one end that the fan wheel is relative, and the other end is equipped with the external screw thread assorted internal thread with the lead screw.

Above-mentioned combination formula fan wheel assembly and disassembly tools still includes the connector in constituting and with lead screw vertically fixed pin and depression bar, be equipped with on the connector with the motor shaft terminal surface of fan on screw hole assorted double-screw bolt and perpendicular to double-screw bolt and the pinhole that matches with the fixed pin, be equipped with the radial through-hole that matches with the fixed pin on the ring chuck of sleeve pipe tip, be equipped with on the pipe wall of sleeve pipe both sides with depression bar assorted axial bar hole, the both ends and the fan wheel hub of depression bar are corresponding.

Above-mentioned combination formula fan wheel assembly and disassembly tools, the dismantlement trompil all around of the centre bore of drawing the dish is radial bar hole.

Above-mentioned combination formula fan wheel assembly and disassembly tools, the dismantlement trompil setting all around of the centre bore of drawing the dish is 3 ~ 4.

In the combined fan impeller dismounting tool, one end of the screw rod, which is opposite to a motor shaft of the fan, is conical.

The utility model discloses by sleeve pipe, lead screw, draw set and bolt combination to become fan wheel's extracting tool, it is ejecting from fan wheel with the motor shaft to utilize the lead screw, greatly reduced fan wheel's the dismantlement degree of difficulty to axial fan maintenance efficiency has been improved, maintenance personal's intensity of labour has been reduced, the normal clear of enterprise's production has been guaranteed.

The utility model discloses make up into fan wheel's mounting tool by sleeve pipe, lead screw, connector and depression bar, utilize sleeve pipe, connector and depression bar to transmit the power that the lead screw provided for the fan, pull in fan wheel's centre bore with the motor shaft, greatly reduced fan wheel's the installation degree of difficulty to improve axial fan maintenance efficiency, reduced maintenance personal's intensity of labour, guaranteed the normal clear of enterprise's production.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the present invention illustrating the disassembly of a fan wheel;

FIG. 2 is a schematic view of the present invention illustrating the installation of a fan wheel;

FIG. 3 is a schematic structural view of the bushing;

FIG. 4 is a top view of the bushing shown in FIG. 3;

FIG. 5 is a left side view of the bushing shown in FIG. 3;

FIG. 6 is a schematic structural diagram of the connecting head;

fig. 7 is a schematic structural view of the pull plate.

The reference numbers in the figures are as follows: 1. the motor shaft comprises a sleeve 1-1, a chuck 1-2, internal threads 1-3, radial through holes 1-4, axial strip-shaped holes 2, a screw rod 3, a connector 3-1, a stud 3-2, a pin hole 4, a fixing pin 5, a pressure rod 6, a pull disc 6-1, a central hole 6-2, a disassembly pull hole 7, a bolt 8, a motor shaft 9 and a fan impeller hub.

Detailed Description

The utility model provides a fan wheel combination formula is dismantled and mounting tool can accomplish fan wheel's dismantlement and installation fast, improves work efficiency, guarantees production and normally goes on.

Referring to fig. 1 to 7, the utility model mainly comprises a sleeve 1, a lead screw 2, a connector 3, a fixed pin 4, a pressure bar 5, a pull disc 6 and a bolt 7, wherein the lead screw 2, the pull disc 6 and the bolt 7 of the sleeve 1 are combined together to form a tool for disassembling the fan impeller; the sleeve 1, the lead screw 2, the pressure lever 5, the connector 3 and the fixing pin 4 are combined together to form a tool for installing the fan impeller.

The two side pipe walls of the sleeve 1 are symmetrically provided with 2 axial strip-shaped holes 1-4 for installing a pressure lever 5; an annular chuck 1-1 corresponding to the pull disc 6 is arranged at one end (head end) of the sleeve 1 opposite to the fan impeller, a radial through hole 1-3 is arranged in the chuck 1-1, and a connector 3 can be installed through a fixing pin 4; the other end of the sleeve 1 is provided with an internal thread matched with the external thread of the screw rod 2, and can be matched with the screw rod 2 to realize the transmission of the disassembling force. A central hole 6-1 is formed in the center of the pull disc 6, the pull disc 6 can be sleeved on the sleeve 1 through the central hole 6-1, the chuck 1-1 is used for blocking the pull disc 6, four strip-shaped disassembly pull holes 6-2 matched with threaded mounting holes in an axial flow fan impeller hub are symmetrically arranged around the central hole 6-1, and bolts 7 connected with a fan impeller are arranged in the disassembly pull holes 6-2; a stud 3-1 is arranged at one end of the connector 3 opposite to a motor shaft 8 of the fan and can be connected with the motor shaft 8 through the stud 3-1, and a pin hole 3-2 is arranged at the other end of the connector 3 and can be connected with a chuck 1-1 of the sleeve 1 through a fixing pin 4. The end of the screw 2 is conical, which reduces the rotational resistance.

Use the utility model discloses when dismantling fan impeller, at first will draw 6 covers in sleeve pipe 1's chuck 1-1 department, pass bolt 7 and draw the strip on 6 to dismantle draw 6-2 and twist in fan impeller wheel hub 9's screw thread mounting hole, twist lead screw 2 from 1 tail end of sleeve pipe gradually, until the tight motor shaft 8 in top, continue to constantly twist and move lead screw 2, pull out fan impeller wheel hub from motor shaft 8 gradually through drawing 6, finally extract the impeller.

Use the utility model discloses during installation fan wheel, at first twist connector 3 in motor shaft 8 stretches end screw thread mounting hole, then connect through the chuck 1-1 of fixed pin 4 and 1 head end of sleeve pipe, fill in depression bar 5 in the axial bar hole 1-4 of 1 lateral wall of sleeve pipe, twist lead screw 2 gradually from 1 tail end of sleeve pipe, until compressing tightly depression bar 5, continue to constantly twist and move lead screw 2, impress fan wheel hub 8 through depression bar 5 on motor shaft 9, target in place until the impeller mounting.

The utility model discloses each spare part simple manufacture through the reasonable combination to each spare part, can become a fan wheel's dismantlement or mounting tool, can accomplish fan wheel's dismantlement or installation work fast.

Claims

1. The utility model provides a modular fan wheel assembly and disassembly tools, characterized by includes among the constitution with coaxial sleeve pipe (1) of fan wheel, lead screw (2) and draws dish (6), the middle part of drawing dish (6) is equipped with centre bore (6-1) that matches with sleeve pipe (1), is equipped with a plurality of dismantlements trompils (6-2) around this centre bore (6-1), is equipped with one in every dismantlement trompil (6-2) and installs the bolt (7) that the hole matches with the screw thread on fan wheel hub (9), the sleeve pipe (1) is equipped with the annular chuck (1-1) corresponding with drawing dish (6) with the one end that the fan wheel is relative, and the other end is equipped with the internal thread (1-2) with the external screw thread assorted of lead screw (2).

2. The combined fan impeller dismounting tool is characterized by further comprising a connector (3), a fixing pin (4) and a pressure lever (5), wherein the fixing pin (4) and the pressure lever (5) are perpendicular to the screw rod (2), a stud (3-1) matched with a threaded hole in the end face of a motor shaft (8) of the fan and a pin hole (3-2) perpendicular to the stud (3-1) and matched with the fixing pin (4) are formed in the connector (3), a radial through hole (1-3) matched with the fixing pin (4) is formed in an annular chuck (1-1) at the end of the sleeve (1), axial strip-shaped holes (1-4) matched with the pressure lever (5) are formed in the pipe walls of two sides of the sleeve (1), and two ends of the pressure lever (5) correspond to a fan impeller hub (9).

3. The combined fan impeller dismounting tool according to claim 1 or 2, wherein the dismounting pull holes (6-2) around the central hole (6-1) of the pull disc (6) are all radial strip-shaped holes.

4. The combined fan impeller dismounting tool is characterized in that 3-4 dismounting pulling holes (6-2) are formed around the central hole (6-1) of the pulling disc (6).

5. A combined fan impeller dismounting tool according to claim 4, characterized in that the end of the screw (2) opposite to the motor shaft (8) of the fan is conical.