Special simple dismounting and mounting tool for permanent magnet motor

Abstract

The utility model discloses a general tool for a motor, and particularly relates to a tool used when a stator and a rotor of a permanent magnet motor are disassembled and assembled. An end cover fixing plate is fixedly installed on guide rails, a lead screw device is installed between the two guide rails, the lead screw device penetrates through a center hole in the middle of a support and a round hole in the middle of a guide rail baffle to be connected with a hand-cranking handle, the lead screw device is connected with a moving trolley through the support and screws, and the moving trolley is installed on the guide rails. When the tool is applied, the stator and the rotor of the motor can be safely and quickly separated in any limited space. The stator and the rotor of the motor can be quickly, accurately and safely separated without an expensive dismounting tool, the integrity of the stator and the rotor of the motor is protected to a great extent, and smooth dismounting and safety requirements are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor general tool technical field, concretely relates to a simple and easy dismounting frock special for permanent magnet motor. BACKGROUND

[0002] When permanent magnet motor product research and development, the dismounting of motor stator and rotor is inevitable, the primary problem is that the surface of rotor or stator is pasted with permanent magnet, and the attraction (vertical attraction sometimes can reach dozens of tons) between stator and rotor in the process of assembly will be generated because of the existence of permanent magnet, which brings great difficulty to assembly. When separating, it is easy to uneven force or knock other positions, which will cause certain damage to the motor, resulting in motor failure. Secondly, the motor in refrigeration compressor driving motor is generally compact in size during design, and the dismounting stress point of end cover position is very difficult to dismount. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at the shortage of prior art, and provides a motor stator and rotor assembly frock which is convenient to assemble, accurate in positioning, low in labor intensity, high in working efficiency, can be used for motor stator and rotor separation and does not damage motor.

[0004] To achieve the above object, the utility model realizes the following technical scheme: a simple and easy dismounting frock special for permanent magnet motor, including end cover fixed plate 1, two guide rails 3, two mobile trolleys 4, screw rod device 5, support 6, hand crank 7, the end cover fixed plate 1 is fixedly installed on the guide rail 3, the screw rod device 5 is installed between two guide rails, the screw rod device 5 is connected with the hand crank 7 by passing through the central hole in the middle of support 6 and the round hole in the middle of the baffle of guide rail 3, the screw rod device 5 is connected with the mobile trolley 4 through the support 6 by screw, and the mobile trolley 4 is installed on the guide rail 3.

[0005] The end cover fixed plate 1 is a baffle with L-shaped section, the upper end of the L-shaped is provided with four through holes matched with the holes on the end cover of motor transmission end, and the center of the end cover fixed plate 1 is provided with a round hole for the convenience of motor shaft passing through.

[0006] The guide rail 3 and the mobile trolley 4 are connected together through the groove, the guide rail 3 is provided with baffles at both ends, one end is connected together with the end cover fixed plate 1 by bolt, the baffles on the same side are provided with through holes, and the screw rod device 5 is connected with the hand crank 7 by passing through the through holes.

[0007] The support 6 is an I-shaped structure, the through hole in the upper part of the support is matched with the fixed hole on the base of the shell of motor 2, and the support is fixed together with the motor by screw; the lower part of the support 6 is provided with two through holes evenly distributed on both sides along the axial direction of the motor, and the support is fixed together with the mobile trolley 4 by screw; the middle part of the support 6 is provided with a central hole, and the screw rod device 5 passes through the central hole.

[0008] The mobile trolley 4 is in a concave shape, and two protrusions are arranged on the inner wall of the concave shape and matched with the recesses on the guide rail.

[0009] The bottom of the motor 2 is fixed on the mobile trolley 4 by screws, the screw rod device 5 is connected with the mobile trolley 4 through the support 6, the screw rod device 5 drives the mobile trolley 4 to move on the guide rail 3 in the axial direction of the motor, and four fastening screws are arranged at the motor end cover to fix the motor end cover and the end cover fixing plate 1 together.

[0010] The motor end cover is in interference fit with the rotor, and the motor stator is driven to move in the axial direction by shaking the screw rod device 5.

[0011] The utility model has the advantages and beneficial effects that: the tooling can separate the motor stator and rotor in any limited space safely and quickly. The motor stator and rotor can be separated quickly, accurately and safely without fixing the machine tool and using expensive dismounting tools. The integrity of the motor stator and rotor is greatly protected, the dismounting work is smoothly and safely ensured. The tooling is simple and reliable to operate, convenient to troubleshoot, has the advantages of stability and reliability, simple and convenient movement connection, reasonable structure, low cost, and strong universality, and can reduce the dismounting cost and shorten the dismounting time. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the assembly view of the utility model.

[0013] Figure 2 is the perspective view of the support and the mobile trolley of the utility model

[0014] Figure 3 is the top view of the support and the mobile trolley of the utility model.

[0015] Figure 4 is the schematic view of the support structure of the utility model.

[0016] Figure 5 is the schematic view of the mobile trolley structure of the utility model.

[0017] Among them:

[0018] 1-end cover fixing plate, 2-motor, 3-guide rail, 4-mobile trolley, 5-screw rod device, 6-support, 7-handle. DETAILED DESCRIPTION

[0019] The utility model will be further described in combination with the drawings.

[0020] For example, Figure 1As shown, a kind of permanent magnet motor special simple dismounting tooling, including end cover fixed plate 1, two guide rails 3, two mobile trolleys 4, screw rod device 5, support 6, hand crank 7, the end cover fixed plate 1 is installed on guide rail 3 by screw, two guide rails are equipped with screw rod device 5, screw rod device 5 passes through the central hole in the middle of support 6 and the round hole in the middle of the baffle of guide rail 3 and is connected with hand crank 7, screw rod device 5 is connected with mobile trolley 4 by support 6 by screw, and mobile trolley 4 is installed on guide rail 3.

[0021] The end cover fixed plate 1 is a baffle with L-shaped cross section, and the upper end of the L-shaped baffle is provided with four through holes matched with the holes on the end cover of the motor transmission end, so as to fix the end cover of the motor, and the center of the end cover fixed plate 1 is provided with a round hole for facilitating the motor shaft to pass through.

[0022] The guide rail 3 and the mobile trolley 4 are connected together through a groove, and the guide rail 3 is provided with a baffle at both ends, one end is connected together with the end cover fixed plate 1 by a bolt, and the baffle on the same side is provided with a through hole, and the screw rod device 5 is connected with the hand crank 7 through the through hole.

[0023] As shown in the figure, Figures 2-5 The support 6 is a I-shaped structure, the through hole in the upper part of the support is matched with the fixed hole on the base of the motor 2 shell, and the motor is fixed together by a screw; the lower part of the support 6 is provided with two evenly distributed through holes on both sides along the motor shaft, and the mobile trolley 4 is fixed together by a screw; the middle part of the support 6 is provided with a central hole, and the screw rod device 5 passes through the central hole.

[0024] The mobile trolley 4 is concave-shaped, and the inner wall of the concave-shaped is provided with two protrusions matched with the recesses on the guide rail, so that the mobile trolley has the ability to slide on the guide rail.

[0025] The motor 2 is installed on the mobile trolley 4 by a screw, the screw rod device 5 is connected with the mobile trolley 4 through the support 6, the screw rod device 5 drives the mobile trolley 4 to move on the guide rail 3 in the axial direction of the motor, and the motor end cover is fixed together with the end cover fixed plate 1 by four fastening screws.

[0026] The motor end cover is in interference fit with the rotor, and the motor stator is driven to move axially by shaking the screw rod device 5.

[0027] The use method is that the motor 2 is installed on the moving trolley by screws at the bottom, the screw rod device 5 is connected with the moving trolley 4 through the support 6, the moving trolley 4 driven by the screw rod device 5 can move on the guide rail 3 in the motor axial direction, four fastening screws are arranged at the motor end cover, the motor end cover and the end cover fixing plate 1 are fixed together by screws, the motor end cover is in interference fit with the rotor, the motor stator can be driven to move in the axial direction by shaking the screw rod device 5. The moving is convenient and stable, when the motor rotor transmission end does not extend out of the motor, the motor rotor can be guaranteed not to be attracted to the stator through the support 6 and the fixing of the rotor iron core; when the motor rotor transmission end extends out of the motor, the bearing can be guaranteed not to be damaged through the cooperation of the support 6 and the end cover fixing plate 1; when the motor rotor moves to the position that the transmission end bearing inner ring contacts with the end face of the end cover fixing plate 1, the motor stator and rotor are assembled in place. When the motor is disassembled, the motor is disassembled by moving reversely, and the stator and the rotor are separated.

[0028] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A simple disassembly and assembly tooling for permanent magnet motors, characterized in that, include: The end cap fixing plate (1), two guide rails (3), two moving trolleys (4), a lead screw device (5), a bracket (6), and a hand crank (7) are provided. The end cap fixing plate (1) is fixedly installed on the guide rails (3). A lead screw device (5) is installed between the two guide rails. The lead screw device (5) passes through the center hole in the middle of the bracket (6) and the round hole in the middle of the guide rail (3) baffle and is connected to the hand crank (7). The lead screw device (5) is connected to the moving trolley (4) through the bracket (6) by screws. The moving trolley (4) is installed on the guide rails (3).

2. The simplified disassembly and assembly fixture for permanent magnet motors according to claim 1, characterized in that: The end cover fixing plate (1) is a baffle with an L-shaped cross section. The upper end of the L-shape is provided with four through holes that match the holes on the end cover of the motor drive end. The end cover fixing plate (1) has a round hole in the center to facilitate the passage of the motor shaft.

3. The simplified disassembly and assembly fixture for permanent magnet motors according to claim 1, characterized in that: The guide rail (3) and the moving trolley (4) are connected together by a groove. The guide rail (3) has baffles at both ends. One end is connected to the end cover fixing plate (1) by bolts. The baffle on the same side has a through hole. The screw device (5) passes through the through hole and is connected to the hand crank handle (7).

4. The simplified disassembly and assembly fixture for permanent magnet motors according to claim 1, characterized in that: The bracket (6) is an I-shaped structure. The through hole at the top of the bracket matches the fixing hole on the base of the motor (2) housing and is fixed to the motor with screws. The lower part of the bracket (6) has two evenly distributed through holes on both sides along the motor axis and is fixed to the moving trolley (4) with screws. The bracket (6) has a central hole in the middle and the lead screw device (5) passes through the central hole.

5. The simplified disassembly and assembly fixture for permanent magnet motors according to claim 1, characterized in that: The mobile trolley (4) is U-shaped, with two protrusions on the inner wall of the U-shape that match the recesses on the guide rail.

6. The simplified disassembly and assembly fixture for permanent magnet motors according to claim 1, characterized in that: The motor (2) is mounted on the moving trolley (4) with screws at the bottom. The lead screw device (5) is connected to the moving trolley (4) through the bracket (6). The lead screw device (5) drives the moving trolley (4) to move axially on the guide rail (3). There are 4 fastening screws at the motor end cover to fix the motor end cover and the end cover fixing plate (1) together.

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