JPH069569Y2 - Electric motor disassembly and assembly device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an electric motor disassembling and assembling apparatus for pulling out a rotor from a stator forming an electric motor or mounting the rotor on the stator.

[Conventional technology]

When inspecting, cleaning, or repairing the electric motor, the rotor is pulled out from the stator forming the electric motor, and after completion of these operations, the rotor is mounted on the stator.

Conventionally, a disassembling and assembling apparatus of this kind has been proposed in Japanese Utility Model Laid-Open No. 55-59572. In this conventional technique, an assembly temporary shaft is coupled to one end of a rotary shaft of a rotor forming an electric motor through a shaft coupling, and the other end of the rotary shaft of the rotor and the temporary assembly shaft are respectively received by a carriage. Support the rotation axis of the rotor horizontally.

In this state, each of the carriages is horizontally moved to pull out the rotor from the stator forming the electric motor. The drawn-out rotor is placed on a pedestal movably held by a plurality of rollers and a vertically adjustable support provided on the pedestal. By removing the shaft coupling from the rotary shaft of the rotor held on the support, the rotor can be disassembled from the stator forming the electric motor.

When the rotor is mounted on the stator forming the electric motor, the procedure is completely opposite to the above.

[Problems to be solved by the device]

However, in the above-mentioned conventional technique, the stator forming the electric motor has to be moved to a predetermined working position which is considerably distant from the electric motor installation position, so that there is a problem that the efficiency of disassembling and assembling the electric motor cannot be expected. .

Further, in addition to a pair of bogies for receiving temporary bearings for assembly connected to the rotary shaft of the rotor forming the electric motor, a crane, a hoist, etc. are required, the whole apparatus becomes large-scale, the manufacturing cost of the apparatus becomes high, and the apparatus becomes expensive. There is a problem in the safety of disassembly and assembly work due to the increase in size.

The present invention has been made in view of the above-mentioned conventional circumstances, and an object thereof is to disassemble and assemble an electric motor that can be disassembled and assembled near the electric motor installation position and can realize a compact device. To provide a device.

[Means for Solving the Problems]

To achieve this object, the present invention removes a stator from a driven side flange of an electric motor arranged on an electric motor installation stand, pulls out a rotor from the stator, or rotates the stator of the electric motor. In a disassembling and assembling apparatus for an electric motor, in which a child is attached and a stator with the rotor attached in this way is connected to the driven side flange, a portable work table having one end fixed to the electric motor installation table, and a portable work table. A support table arranged on a work table and movable along an axial direction of a rotation axis of the rotor of the electric motor installed on the electric machine installation table, and rotatably provided on the support table in a horizontal plane. And a rotary table on which the stator can be placed and removed from the electric motor installation table,
And a rail that is disposed above the stator that is rotated according to the rotation of the rotary table and that extends in a direction along the axis of the rotation shaft of the rotor, and that supports the rail. It is configured to include a portable support frame and a feeding unit that is mounted on the rail and that moves the rotor in the axial direction of its rotation shaft.

[Action]

Since the present invention has the above-mentioned configuration, for example, when disassembling the electric motor, first, one end of the portable workbench is fixed to the electric motor mount. Next, the stator forming the electric motor is mounted on the rotary table arranged on the support table on the portable work table. In this state, remove the stator from the coated moving side flange,
Further, the support base is moved in the axial direction of the rotary shaft of the rotor forming the electric motor. As a result, the stator having the rotor mounted thereon can be placed in the vicinity of the electric motor installation base but can be rotated in the horizontal plane.

From this state, the rotary table is rotated, for example, in a direction orthogonal to the moving direction of the support table described above. With this,
The stator, which is supported by the support base and has the rotor attached thereto, rotates integrally and stops. Next, a portable support frame is erected so as to surround the stator, the rail is supported by this support frame, and the feed means is attached to the rail. By guiding the feeding means in the extending direction of the rail, the rotor mounted on the stator via the feeding means moves in the axial direction of the rotation shaft and is pulled out from the stator.

The assembling work for mounting the rotor on the stator and connecting the rotor mounted with the rotor to the driven side flange in this manner is performed in the reverse order of the above procedure.

In this way, the disassembling and assembling work of the electric motor can be performed near the electric motor installation base.

In addition, the portable worktable that holds the rotary table and the support table is detachable from the electric motor installation table, and the portable support frame, rails, and feeding means can be assembled around the stator. As a result, the device can be made compact.

〔Example〕

An embodiment of an electric motor disassembling and assembling apparatus according to the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing the overall construction of an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a stator is removed from a driven side flange of an electric motor, and FIG. 3 is an embodiment shown in FIG. FIG. 4 is a perspective view showing a support base and a rotary base portion provided in the example, and FIG.
It is sectional drawing which shows the structure of the holding shaft part shown in a figure.

In FIG. 2, 21 is an electric motor installation stand, 15 is a driven side flange arranged on the electric motor installation stand 21, 5 is a stator connected to the driven side flange 15, and 10 is housed inside the stator 5. The rotors 4 and 4 are rotating shafts of the rotor 10.

Reference numeral 1 denotes a portable workbench whose one end is fixed to the electric motor installation base 21, and a stopper 3 is integrally provided at the end opposite to the end fixed to the electric motor installation base 21. A guide portion 22 protruding outward is formed at the edge portion. The adjustment screw 2 is provided near the end of the portable workbench 1 near the stopper 3.
4 is supported by a pair of support legs 23 which are vertically expandable and contractible.

A rectangular parallelepiped support 16 is arranged on the portable work table 1. As shown in FIG. 3, the support base 16 is provided with an engagement piece 16a at the lower portion, which engages with a guide portion 22 formed at the upper edge of the portable work base 1. When the engaging piece 16a is guided by the guide portion 22, the support base 16 moves to the second position.
As shown in the figure, it can be moved on the portable worktable 1 in the fixed state. That is, it is movable along the axial direction of the rotary shaft 4 of the rotor 10 installed on the electric motor installation stand 21. The support table 16 is prevented from moving by colliding with the stopper 3 of the portable work table 1 described above.

On this support base 16, a rotary base 2 on which the stator 5 can be placed
Is provided. The rotary table 2 is internally provided with a pair of pedestals 25 that can be moved up and down in the vertical direction by adjusting the adjusting screw 7. A mounting surface 6 on which the stator 5 is mounted is configured. The mounting surface 6 of the pedestal 25 can be projected upward from the opening 2a formed in the upper portion of the support 16 in accordance with the adjustment of the adjusting screw 7. Further, as shown in FIG. 4, substantially the center position of the upper surface of the support base 16,
A holding shaft 9 is connected to the center of the bottom surface of the turntable 2 so that the turntable 2 is held rotatably in a horizontal plane.

Reference numeral 17 shown in FIG. 1 is a rail. The rail 17 is removed from the electric motor installation base 21 and is arranged above the stator 5 which is in a state of being rotated by the rotation of the rotary base 2, and is arranged in a direction along the axis of the rotary shaft 4 of the rotor 10. It will be extended. 1
Reference numeral 3 denotes a portable support frame that supports the rail 17, and the height can be adjusted by adjusting the adjusting screw 26. Reference numeral 11 is a support pipe fitted to each end of the rotary shaft 4 of the rotor 10, 14 is a pair of turnbuckles for pulling a rope wound around each support pipe 11 fitted to the rotary shaft 4, Reference numeral 12 is a pair of movable pulleys that have hook portions that engage with the turnbuckle 14 at the bottom and that move on the rails 17.

The rail 17 and the support frame 13 described above can be assembled around the stator 5. Further, the turnbuckle 14 and the movable pulley 12 described above constitute a feeding means for moving the rotor 10 from the stator 5 positioned as shown in FIG. 1 along the axial direction of the rotation shaft 4. ing.

In the embodiment constructed in this way, for example, the disassembly work of the electric motor is performed as follows.

First, the portable workbench 1 that holds the support 16 and the turntable 2 in the vicinity of the electric motor arranged on the electric motor installation base 21.
Carry a portable workbench 1 and attach one end of the portable workbench 1 to the motor installation base 2
1 is fixed by a fixing means (not shown). Adjusting screw 24
Adjust the height position of the support leg 23 by adjusting
The upper edge portion of the portable workbench 1 is parallel to the installation surface of the electric motor installation stand 21 and the support legs 23, that is, the portable workbench 1 is arranged substantially in the horizontal plane.

Next, the support base 16 is moved toward the electric motor installation base 21 so that the rotary base 2 is located directly below the stator 5, and the adjustment screw 7
Is adjusted to adjust the height position of each of the pair of pedestals 25, and the respective mounting surfaces 6 of the pedestals 25 are brought into contact with the lower portion of the stator 5. Next, the joint between the motor (not shown) and the driven side flange 15 is disconnected, and the rotary table 2
The stator 5 can be rotated, for example, by 90 ° in a direction in which the support table 16 is separated from the motor installation table 21 with the stator 5 placed thereon, that is, in the axial direction of the rotation shaft 4 of the rotor 10. Move to a distance. FIG. 2 shows the state at this time.

From this state, as shown in FIG. 1, the rotary table 2 is rotated by 90 °, and the stator 5 is rotated by 90 ° integrally with the rotary table 2. Next, the support frame 13 with the rails 17 attached is installed around the stator 5, and the adjusting screw 26 is adjusted to adjust the support frame 1
Adjust the height of 3.

Next, the pair of movable sheaves 12 are engaged with the rails 17, and the upper ends of the turnbuckles 14 are engaged with the respective hook portions of these movable sheaves 12. Further, the support pipe 1 is attached to both ends of the rotary shaft 4 of the rotor 10 housed in the stator 5.
1 are fitted together. Rope is wound around each of these support pipes 11, and the upper ends of the ropes are attached to the lower ends of the turnbuckles 14. Turnbuckle 14
The rotor 10 is hung by adjusting each of the
The rotor 1 so that the gap between the rotor and the rotor 10 is even.
Fine-tune the height of 0.

When the movable pulley 12 is moved in the direction of the arrow 30 in FIG. 1 from such a state, the rotor 10 can be removed from the stator 5.

Predetermined inspection work, cleaning work, or repair work is performed on the electric motor disassembled in this way.

The assembling work for housing the rotor 10 inside the stator 5 and connecting it to the driven side flange 15 shown in FIG. 2 can be performed in the reverse order of the above procedure.

In the embodiment configured in this way, the disassembly of the electric motor,
The assembly work can be performed in the vicinity of the electric motor mount 21 without moving the stator 5 much, and the efficiency of the disassembly and assembly work of the electric motor can be improved.

In addition, a portable work table 1 that holds the rotary table 2 and the support table 16
Is attachable to and detachable from the electric motor installation base 21, and the portable support frame 13, the rail 17, and the feeding means can be assembled together around the stator, which makes the device compact. Can be realized. As a result, the manufacturing cost of the device can be reduced, and the handling is easy and the safety of disassembly and assembly work can be secured.

[Effect of device]

Since the present invention is configured as described above, it is possible to disassemble and assemble the electric motor without moving the stator much near the electric motor installation position. The efficiency of can be improved.

Further, the device can be made compact, and accordingly, the device manufacturing cost can be reduced as compared with the conventional one, and the handling is easy and the disassembly and assembly work safety can be secured.

[Brief description of drawings]

FIG. 1 is a perspective view showing the overall construction of an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a stator is removed from a driven side flange of an electric motor, and FIG. 3 is an embodiment shown in FIG. FIG. 4 is a perspective view showing a support base and a rotary base portion provided in the example, and FIG.
It is sectional drawing which shows the structure of the holding shaft part shown in a figure. 1 ... Portable workbench, 2 ... Rotary platform, 3 ... Stopper, 4
...... Rotary axis, 5 ...... Stator, 6 …… Mounting surface, 7, 24,
26 ... adjusting screw, 9 ... holding shaft, 10 ... rotor, 1
1 ... Support pipe, 12 ... Moving pulley, 13 ... Support frame, 14 ... Turnbuckle, 15 ... Driven side flange, 16 ... Support stand, 17 ... Rail, 21 ... Electric motor installation stand, 22 ... Guide, 23 ... Support legs, 25 ... Cradle.

Claims (1)

[Scope of utility model registration request] Claim: What is claimed is: 1. A stator is removed from a driven side flange of an electric motor arranged on an electric motor installation stand, and a rotor is pulled out from the stator, or a rotor is attached to the stator of the electric motor. In an electric motor disassembling and assembling apparatus for connecting a stator having a rotor attached to the driven side flange, a portable worktable having one end fixed to the electric motor installation table, and a portable worktable arranged on the portable worktable, A support base that is movable on the electric motor installation base along the axial direction of the rotation shaft of the rotor of the electric motor, and is mounted on the support base so as to be rotatable in a horizontal plane and mount the stator. A turntable that can be placed, and that is disposed above the stator that is removed from the electric motor mount and that is rotated with the rotation of the turntable, and extends along the axis of the rotary shaft of the rotor. And a rail that extends in the direction The supporting frame of the portable supporting the Lumpur, is mounted on the rail, the rotor, exploded unit for an electric motor, characterized in that a feed means for moving in the axial direction of the rotary shaft.