Large motor stator coil dismounting machine

Abstract

The utility model belongs to the field of stator coil disassembly, and discloses a large motor stator coil disassembly machine which comprises a base. The transmission lever rear bracket is mounted on the upper surface of the base; the transmission lever front bracket and the transmission lever rear bracket are oppositely arranged, and a space for mounting a workpiece is reserved between the transmission lever front bracket and the transmission lever rear bracket; two ends of the transmission lever are respectively connected with the brackets on the corresponding sides; a chain connected with a stator coil of a workpiece is arranged on the transmission lever; the driving structure is connected with one end of the transmission lever; the transmission lever is driven to rotate, the chain axially moves on the periphery of the transmission lever, and the stator coil is gradually pulled out. The variable frequency motor drives the speed reducer to be connected with the transmission lever, the chain is wound on the transmission lever, the other end of the chain is fixed with the coil, the transmission lever enables the chain to be wound on the transmission lever through rotation of the motor, and therefore the coil is pulled out. Therefore, the coil can be pulled out under the condition that the stator is not damaged, the coil dismounting efficiency is improved, and the subsequent motor maintenance efficiency is also ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stator coil dismantling field relates to a large -scale motor stator coil dismantling machine. BACKGROUND

[0002] In motor maintenance, motor coil maintenance accounts for a large proportion, the stator coil plays a significant role in the motor, coil damage can cause the output torque of motor to decrease, reduce the carrying capacity of motor, also can make motor difficult to start or start time extension, influence motor starting performance. Good coil can prevent current leakage, reduce the risk of electric shock and fire, improve the safety of motor, thereby improve the performance and prolong the service life of motor.

[0003] The existing motor coil dismounting mode: cutting off the end of the stator winding coil, through the travelling crane or crane or forklift to the coil and drag, such dismounting mode can reduce some manpower, but the motor stator will have different degree of damage, increase the workload of maintaining motor, the working efficiency of dismounting coil is low, need a large number of personnel, and the quality of maintenance products decreases. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems that provide a large -scale motor stator coil dismantling machine.

[0005] In order to solve the above problem, the technical scheme of the utility model provides a large -scale motor stator coil dismantling machine, including,

[0006] Base;

[0007] Transmission lever rear support, installed on the upper surface of the base;

[0008] Transmission lever front support, installed on the upper surface of the base, opposite to the transmission lever rear support, and the space between the two is provided with the space of mounting workpiece;

[0009] Transmission lever, both ends are connected with the transmission lever rear support or transmission lever front support of corresponding side respectively; the transmission lever is provided with the chain connected with the stator coil of workpiece;

[0010] Driving structure, connected with one end of the transmission lever, provides rotary power to the transmission lever; driving transmission lever rotation, the chain moves axially on the outer periphery of transmission lever, gradually pulls out the stator coil.

[0011] According to the utility model, further, the driving structure includes the reducer support seat that is set up on the side of transmission lever front support away from transmission lever rear support, the alternating current motor is installed above the reducer support seat, the alternating current motor output shaft is connected with the speed reducer box, the speed reducer box coupling one side is connected with the speed reducer box, and the other side is connected with the transmission lever.

[0012] According to the utility model, further, transmission pole rear support and transmission pole front support all fixedly connected with bearing seat, the bearing seat fixed with transmission pole rear support coaxial cooperation has connecting shaft, the bearing seat fixed with transmission pole front support coaxial cooperation has connecting shaft, transmission pole both ends are connected with corresponding connecting shaft or flange shaft respectively.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The utility model discloses a frequency conversion motor drives the speed reducer and is connected with the transmission pole, and the chain is wound on the transmission pole, and the other end of the chain is fixed with the coil, and the transmission pole makes the chain winding on the transmission pole through the rotation of the motor, thereby pulling out the coil. In this way, the stator can be pulled out of the coil without being damaged, improving the efficiency of disassembling the coil and ensuring the efficiency of subsequent maintenance of the motor.

[0015] 2. The utility model discloses can dismantle under the state of slow speed, and in the process of operation, the staff can control the quality of product through close observation, reduce the maintenance difficulty of the following because of the local processing of poor, like this can improve the stability and reliability of motor product maintenance quality.

[0016] 3. The utility model discloses low manufacturing cost, wide application range, convenient maintenance.

[0017] 4. The utility model discloses high processing efficiency: can improve product quality, convenient operation, work efficiency is improved several times, can guarantee the need of different stator processing procedure.

[0018] 5. The utility model discloses can dismantle, and when not using, dismantle into separate components, reduce the floor area. DRAWINGS

[0019] Figure 1 The utility model provides a large -scale motor stator coil dismounting machine's structure schematic view;

[0020] Among them, 1-alternating current motor, 2-speed reducer box, 3-speed reducer support seat, 4-speed reducer box coupling, 5-bearing seat, 6-transmission pole, 7-base, 8-workpiece, 9-connecting shaft, 10-transmission pole rear support, 11-transmission pole front support, 12-flange shaft. CONCRETE IMPLEMENTATION

[0021] In order to make the utility model more obvious and easy to understand, the preferred embodiment is described in detail as follows with the drawings.

[0022] Please refer to Figure 1The utility model provides a large -scale motor stator coil dismounting machine's structural schematic drawing, the utility model provides a large -scale motor stator coil dismounting machine, including base 7, the top surface of base 7 is equipped with the transmission lever rear support 10 and transmission lever front support 11 of opposite setting, and leave the space for placing workpiece 8 between both for placing, transmission lever rear support 10 and transmission lever front support 11 are all fixedly connected with bearing seat 5, and transmission lever 6 both ends are connected with the bearing seat 5 of corresponding side respectively, transmission lever 6 one end is connected with drive structure, and transmission lever 6 this end is provided with chain (not shown in the drawing) for with stator coil fixed, and drive structure drives transmission lever 6 to rotate, and the chain on it is drawn out stator coil along with rotation.

[0023] Transmission lever 6 is provided with the chain that moves along its axial direction, and the chain is connected with the end of stator coil, and along with transmission lever 6 rotation, the chain moves along the axial direction of transmission lever 6 periphery, and gradually draws out stator coil.

[0024] In the embodiment of the application, the side of the transmission lever front support 11 away from the transmission lever rear support 10 is provided with a speed reducer support seat 3, an alternating current motor 1 is installed above the speed reducer support seat 3, a reduction gearbox 2 is connected to an output shaft of the alternating current motor 1, a speed reducer gearbox coupling 4 is connected to the reduction gearbox 2 on one side and fixed to a flange shaft 12 coaxially matched with the bearing seat 5 on the other side, the transmission lever 6 is connected to the flange shaft 12 through a transmission lever coupling (not shown in the figure) on the side close to the drive structure and connected to a connecting shaft 9 coaxially matched with the bearing seat 5 on the other side. Preferably, the alternating current motor 1 is a 7.5KW alternating current variable frequency motor, and the reduction ratio i of the reduction gearbox is 187.

[0025] Working principle: the reduction gearbox 2 is connected to the transmission lever 6 by the alternating current motor to drive the transmission lever 6 to rotate, the torque output by the alternating current motor is transmitted to the transmission lever 6, the transmission lever 6 rotates with the chain, the chain is fixed with the end of the stator coil, and the coil is drawn out by tightening the chain. Different specifications of stator are adjusted in height position of the motor on the speed reducer support bracket to realize the dismounting of different motor coils, so as to meet the process requirements.

[0026] The above is only the preferred embodiment of the utility model, and is not any form and substantial limitation of the utility model. It should be pointed out that for ordinary skilled personnel in the technical field, without departing from the premise of the utility model, a number of improvements and supplements can be made, and these improvements and supplements should be regarded as the protection range of the utility model. For those skilled in the art, without departing from the spirit and scope of the utility model, some changes, modifications and equivalent changes made by using the technical content disclosed above are equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above-mentioned embodiments according to the essential technology of the utility model are still within the scope of the technical solutions of the utility model.

Claims

1. A large-sized electric machine stator coil dismounting machine characterized by comprising: Comprising, a base; a rear transmission lever support installed on the upper surface of the base; a front transmission lever support installed on the upper surface of the base, arranged opposite to the rear transmission lever support, leaving a space for installing a workpiece between the two; a transmission lever, two ends of which are connected with the corresponding side of the rear transmission lever support or the front transmission lever support; the transmission lever is provided with a chain connected with the stator coil of the workpiece; a driving structure connected with one end of the transmission lever, providing rotary power to the transmission lever; the driving structure drives the transmission lever to rotate, and the chain moves axially on the outer periphery of the transmission lever, gradually pulling out the stator coil.

2. The large electric machine stator coil de- installer of claim 1, wherein, The driving structure includes a reducer support seat arranged on the side of the front transmission lever support away from the rear transmission lever support, an alternating current motor installed above the reducer support seat, a reduction box connected with the output shaft of the alternating current motor, and a coupling connected with the reduction box on one side and connected with the transmission lever on the other side.

3. The large electric machine stator coil de- installer of claim 2, wherein, The rear transmission lever support and the front transmission lever support are fixedly connected with bearing seats, the bearing seat fixed with the rear transmission lever support is coaxially matched with a connecting shaft, and the bearing seat fixed with the front transmission lever support is coaxially matched with a connecting shaft; the two ends of the transmission lever are connected with the corresponding connecting shaft or flange shaft.

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