CN219882385U - Special tool for pulling and detaching motor to wheel - Google Patents

Abstract

The utility model relates to the technical field of detaching tools, in particular to a special tool capable of enabling a wheel to be uniformly stressed when a motor is used for detaching the wheel; the utility model provides a special tool for pulling out and detaching a wheel pair of a motor, which comprises a tray body used for supporting a foundation, wherein a notch capable of placing and clamping the wheel pair is formed in the center line of the tray body, and a detaching assembly capable of enabling the wheel pair to be uniformly stressed and detaching the wheel pair from the upper part of a rotor shaft of the motor is arranged on one side of the tray body; the dismounting assembly which can uniformly stress the wheel and dismount the wheel from the upper part of the motor rotor shaft is designed on one side of the disc body, so that the wheel can be uniformly stressed when the wheel is dismounted, and the problem that the wheel is easy to break due to unbalanced stress of the wheel when the wheel is dismounted by adopting the three-jaw puller in the prior art, so that the wheel dismounting cannot be smoothly completed is solved.

Description

Special tool for pulling and detaching motor to wheel

Technical Field

The utility model relates to the technical field of dismounting tools, in particular to a special tool capable of enabling a wheel to be uniformly stressed when a motor is used for dismounting the wheel.

Background

In the prior art, in the disassembly and overhaul process of a motor, a wheel pair is required to be disassembled, and a currently used wheel pair disassembling tool is a three-jaw puller and is mainly used for axially disassembling the wheel pair from a shaft and can be used as an internal or external puller.

The three-jaw puller is used for positioning the screw rod center at the motor shaft end, adjusting the pulling position to enable the pulling hook to be arranged on the outer ring of the opposite wheel, rotating the rotating handle to enable the pulling hook to drive the opposite wheel to move outwards along the axial direction for dismounting, but the three-jaw puller has a plurality of potential safety hazards, the conditions of unharming, broken grabbing and the like due to unbalanced stress in the process of pulling the opposite wheel are easy to occur, and the three-jaw puller is heavy and can be operated by a plurality of people.

Disclosure of Invention

The utility model aims to solve the problems that when the motor is disassembled by adopting a three-jaw puller in the traditional mode, the motor is easy to break and break due to unbalanced stress of the motor, so that the disassembly of the motor cannot be successfully completed.

In order to solve the technical problems, the utility model provides a special tool for pulling out and detaching a wheel pair of a motor, which comprises a disc body for supporting a foundation, wherein a notch capable of placing and clamping the wheel pair is formed in the center line of the disc body, and a detaching assembly capable of uniformly stressing the wheel pair and detaching the wheel pair from the upper part of a rotor shaft of the motor is arranged on one side of the disc body.

The dismounting assembly which can uniformly stress the wheel and dismount the wheel from the upper part of the motor rotor shaft is designed on one side of the disc body, so that the wheel can be uniformly stressed when the wheel is dismounted, and the problem that the wheel is easy to break due to unbalanced stress of the wheel when the wheel is dismounted by adopting the three-jaw puller in the prior art, so that the wheel dismounting cannot be smoothly completed is solved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic front view of a disk structure.

In the figure: 1. a stress hole; 2. a screw rod; 3. a jack; 4. a nut; 5. channel steel; 6. a rod body; 7. a tray body; 8. a wheel alignment; 9. a motor rotor shaft; 10. and (5) a notch.

Detailed Description

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.

Examples

The utility model relates to a special tool for pulling out and detaching a wheel pair of a motor, which comprises a tray body 7 for supporting a foundation, wherein the tray body 7 is preferably square in order to be convenient for stable fixing of the tray body 7, a notch 10 capable of placing and clamping the wheel pair 8 is formed in the center line position of the tray body 7, the wheel pair 8 can be conveniently and firmly clamped in order to be convenient and fast, the notch 10 is preferably arched, a detaching assembly capable of detaching the wheel pair 8 from the upper part of a motor rotor shaft 9 is arranged on one side of the tray body 7, the wheel pair 8 can be uniformly stressed in the detaching process, and a single person can finish the operation of pulling out the wheel pair 8, and the detaching time of the wheel pair 8 can be effectively shortened.

The disassembly assembly comprises a rod body 6, nuts 4 and channel steel 5, wherein the rod body 6 is symmetrically arranged on two sides of a notch 10 (welded with a disc body 7) and is used for guiding, one end of the rod body 6 is provided with external threads (which can be obtained by turning), the rod body 6 is made of round steel, the upper portion of the rod body 6 is provided with the channel steel 5 which can move along the round steel, and the upper portion of the rod body 6 is also provided with the nuts 4 which are in threaded connection with the nuts and are used for propping against the channel steel 5 so as to realize the effect of interval adjustment (interval between the channel steel 5 and the disc body 7).

The disassembly assembly further comprises a screw rod 2 and a jack 3, the position, right against the center of the gap 10, of the upper portion of the channel steel 5 is arranged in the threaded hole, the screw rod 2 is connected with the internal threads of the threaded hole, one end of the screw rod 2 is fixedly connected with the jack 3 used for separating the counter wheel 8 from the motor rotor shaft 9, and the other end of the screw rod 2 is provided with a stress hole 1 used for conveniently driving the screw rod 2 to rotate.

The dimensions (length, width and thickness) of the tray body 7 are 500mm multiplied by 400mm multiplied by 40mm square steel plates, the diameter of the notch 10 is 200mm, the model of the channel steel 5 is 40#A, and the jack 3 is a 20T hydraulic jack 3.

When the special tool is used, the notch 10 of the disc body 7 is arranged at the upper part of the motor rotor shaft 9, the inner wall surface of the disc body 7 is attached to the counter wheel 8, the screw rod 2 is driven to rotate by inserting the lever into the stress hole 1, so that the end part of the jack 3 is attached to the motor rotor shaft 9 at the central position of the counter wheel 8, then the jack 3 is started, the jack 3 starts to realize ejection operation on the motor rotor shaft 9 by means of stable support of the channel steel 5, the pressure of the jack 3 is gradually increased, so that relative displacement is generated between the motor rotor shaft 9 and the counter wheel 8 until the motor rotor shaft 9 is completely separated from the counter wheel 8, and the special tool benefits from the arch structure of the notch 10, so that the special tool can be suitable for disassembly operation of the counter wheel 8 with various diameters and can realize fixing operation only by buckling at the upper part of the motor rotor shaft 9;

if the gap between the jack 3 and the counter wheel 8 is larger, the gap between the jack 3 and the counter wheel 8 can be adjusted by rotating the screw rod 2, the nut 4 can be rotated to enable the channel steel 5 to move along the rod body 6, and the gap between the channel steel 5 and the disc body 7 is changed, so that the jack 3 can be tightly attached to the counter wheel 8, and the nut 4 is not moved under the unnecessary condition, after the nut 4 is moved, the reference surface on one side of the channel steel 5, on which the jack 3 is installed, is required to be straightened, so that the channel steel 5 and the disc body 7 are kept in a parallel state at all times, and the stress moment of the counter wheel 8 is ensured to be uniformly distributed;

the disc body 7 is driven by the jack 3 to keep constant the contact area between the disc body 7 and the counter wheel 8 all the time after the disc body 7 is primarily attached to the counter wheel 8, and the disc body 7 is always in a static plane, so that the counter wheel 8 and the disc body 7 are kept relatively static, and the force acting on the upper part of the rotor shaft of the motor is distributed uniformly all the time after being dispersed to the counter wheel 8.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this utility model, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides a motor pulls out and unloads specialized tool to wheel, including being used for playing basic supporting role's disk body (7), opening (10) that can place and block to wheel (8) are seted up to the central line position of disk body (7), its characterized in that: one side of the disc body (7) is provided with a dismounting component which can uniformly stress the wheel (8) and dismount the wheel from the upper part of the motor rotor shaft (9);

the disassembly assembly comprises a rod body (6), nuts (4) and channel steel (5), wherein the rod body (6) is symmetrically arranged on two sides of the notch (10), one end of the rod body (6) is provided with external threads, the channel steel (5) capable of moving along the surface of the rod body (6) is arranged on the upper part of the rod body (6), and the nuts (4) which are in threaded connection with the rod body (6) and are used for propping against the channel steel (5) are also arranged on the upper part of the rod body;

the disassembly assembly further comprises a screw rod (2) and a jack (3), the position, right against the center of the gap (10), of the upper portion of the channel steel (5) is arranged in the threaded hole, the screw rod (2) is connected to the inner thread of the threaded hole, the jack (3) is fixedly connected to one end of the screw rod (2), and a stress hole (1) is formed in the other end of the screw rod (2).

2. The motor extraction and disassembly tool special for wheels of claim 1, wherein: the rod body (6) is made of round steel.

3. The motor extraction and disassembly tool special for wheels of claim 1, wherein: the model of the channel steel (5) is 40#A.

4. The motor extraction and disassembly tool special for wheels of claim 1, wherein: the jack (3) is a 20T hydraulic jack (3).

5. The motor extraction and disassembly tool special for wheels according to any one of claims 1 to 4, characterized in that: the tray body (7) is a square steel plate with the thickness of 500mm multiplied by 400mm multiplied by 40 mm.

6. The motor extraction and disassembly tool special for wheels according to any one of claims 1 to 4, characterized in that: the opening (10) is arched, and the diameter of the opening (10) is 200mm.