CN219456417U

CN219456417U - General test fixture of super large moment of torsion motor

Info

Publication number: CN219456417U
Application number: CN202320224078.6U
Authority: CN
Inventors: 李星; 庄超; 何涛
Original assignee: Physis Motion Control Ningbo Co ltd
Current assignee: Physis Motion Control Ningbo Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-08-01
Anticipated expiration: 2033-01-18

Abstract

The utility model discloses a universal testing tool for an oversized torque motor, which comprises a base and a shell arranged above the base through a bracket, wherein a front flange is arranged at the front end of the shell, a rear flange is arranged at the rear end of the shell, an adapter ring is arranged in the shell, a cavity for installing the motor stator is formed between the adapter ring and the rear flange, the motor stator and the adapter ring are limited in the shell by the front flange and the rear flange, and an installation hole for penetrating through a motor rotor is formed in the rear flange. The large water-cooled stator-rotor separation permanent magnet motor testing and installing device has the advantages that the problems of identical diameter and different axial dimensions are solved, the universality of testing tools is improved, and the equipment cost is reduced.

Description

General test fixture of super large moment of torsion motor

Technical Field

The utility model relates to the technical field of motor testing, in particular to a universal testing tool for an ultra-large torque motor.

Background

In the prior art, two motors are generally used for a butt-drag test during a test of an ultra-large torque motor, wherein one motor provides a load. At present, a testing tool of a large water-cooled stator-rotor separation permanent magnet motor basically does not have universality, and motors with the same diameter and size cannot be universal due to different lengths of motor cores. If the motor with the longer axial dimension is used for manufacturing the motor test tool shell, the problem that the motor cannot be locked to the motor test tool when the motor with the shorter axial dimension is assembled is solved, and the motor with the shorter axial dimension can axially slide in the shell of the test tool.

The existing patents have the following defects: in the prior art, the motor test fixture cannot be adapted to motors with different axial dimensions, and the motor test fixture has no universality and higher equipment cost.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a motor test tool cannot be adapted to motors with different axial dimensions, the motor test tool has no universality and high equipment cost, and provides an oversized torque motor universal test tool which improves the universality of the motor test tool, adapts to motors to be tested with the same diameter and different axial dimensions and reduces the equipment cost.

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

the utility model provides a general test fixture of super large moment of torsion motor, includes the base, sets up the casing in the base top through the support, the front end of casing is equipped with preceding flange, the rear end of casing is equipped with the back flange, be equipped with the adaptation ring in the casing, form the cavity that is used for installing motor stator between adaptation ring and the back flange, preceding flange and back flange limit motor stator and adaptation ring in the casing, be equipped with the mounting hole that is used for passing motor rotor on the back flange. The universal test tool for the oversized torque motor is suitable for being used when the oversized torque motor tests torque, and solves the problem of test installation of the large water-cooled stator-rotor separation permanent magnet motor with the same diameter and different axial sizes while bearing rated torque of the motor. The number of the adaptation rings is one or more, corresponding adaptation rings are installed according to motors with different axial dimensions, the universality of the test fixture is improved, and the equipment cost is reduced.

Preferably, the housing is penetrated in the front-rear direction, the front flange is fixed to the front end surface of the housing by bolts, and the rear flange is fixed to the rear end surface of the housing by bolts.

Preferably, the adapting ring comprises an adapting inner ring arranged in the shell and an adapting outer ring fixed with the adapting inner ring through bolts, the adapting inner ring is connected with the motor stator through bolts, and the adapting outer ring is connected with the front flange through bolts. The adaptation ring includes adaptation inner ring and adaptation outer loop for dodge the motor wiring, conveniently install the adaptation ring on motor stator's one end, adopt normal bolt can accomplish the installation, simple to operate.

Preferably, the inner side wall of one end of the inner ring and the outer ring are provided with first connecting parts, the inner side wall of one end of the outer ring and the inner ring is provided with second connecting parts, and the first connecting parts and the second connecting parts are connected through bolts. The connection strength between the adaptation inner ring and the adaptation outer ring is increased.

Preferably, a male spigot is arranged at one end of the adaptation inner ring facing the adaptation outer ring, a female spigot is arranged at one end of the adaptation outer ring facing the adaptation inner ring, and the female spigot is matched with the male spigot. And the installation accuracy of the adaptation inner ring and the adaptation outer ring is improved.

Preferably, a limiting convex ring is arranged on the inner side wall of the rear end of the shell, and the motor stator is limited on one side, facing the front flange, of the limiting convex ring by the adapter ring. The limiting convex ring prevents the motor stator from sliding in the shell during installation. And the limiting convex ring is fixedly connected with the motor stator through a bolt.

Preferably, the inner side of the rear flange is provided with a guide tool, the guide tool comprises a guide convex ring arranged on the inner side wall of the rear flange and a guide sleeve sleeved on the guide convex ring, the guide tool and the motor rotor are coaxially arranged, and the guide tool and the housing are coaxially arranged. The guiding tool and the motor stator play a role in guiding and positioning, so that the motor stator and the shell are coaxially distributed.

Preferably, the front flange is provided with a wiring hole for passing through the motor wiring.

Preferably, the bracket comprises a first support leg fixed on the front flange through a bolt and a second support leg fixed on the rear flange through a bolt, wherein one end of the first support leg facing the front flange is provided with a first mounting groove with an upward opening, and the first mounting groove is matched with the front flange; the one end of second stabilizer blade towards the rear flange is equipped with the second mounting groove that the opening was up, second mounting groove and rear flange cooperation, the support passes through the bolt fastening on the base.

Preferably, the front flange and the rear flange are respectively provided with a lifting lug, the lifting lugs are fixed on the front flange through bolts, and the lifting lugs are fixed on the rear flange through bolts. The lifting lug is convenient to lift and overturn the test fixture.

Therefore, the utility model has the following beneficial effects: the testing and mounting of the large water-cooled stator-rotor separation permanent magnet motor with the same diameter and different axial dimensions are achieved, the universality of the testing tool is improved, and the equipment cost is reduced.

Drawings

Fig. 1 is a cross-sectional view of the present utility model.

Fig. 2 is a schematic view of a structure of the present utility model.

Fig. 3 is a partial enlarged view at a in fig. 1.

The following figures are shown:

base 1, shell 2, front flange 3, rear flange 4,

An adaptation ring 5, an adaptation inner ring 5.1, an adaptation outer ring 5.2,

Mounting hole 6, first connecting portion 7, second connecting portion 8, public tang 9, female tang 10, spacing bulge loop 11, direction bulge loop 12, guide pin bushing 13, wiring hole 14, first stabilizer blade 15, first mounting groove 15.1, second stabilizer blade 16, lug 17.

Detailed Description

In order to make the purposes, technical solutions and advantages of the technical solution embodiments of the present utility model more clear, the present utility model is further described below with reference to the accompanying drawings and the detailed description.

The first embodiment is shown in fig. 1, 2 and 3, and the general test fixture for the oversized torque motor comprises a base 1, a shell 2 arranged above the base 1 through a bracket, a front flange 3 arranged at the front end of the shell 2, a rear flange 4 arranged at the rear end of the shell 2, an adapter ring 5 arranged in the shell 2, a cavity for installing the motor stator formed between the adapter ring 5 and the rear flange 4, and a mounting hole 6 for penetrating through the motor rotor arranged on the rear flange 4, wherein the front flange 3 and the rear flange 4 limit the motor stator and the adapter ring 5 in the shell 2. The universal testing tool for the oversized torque motor solves the problem of testing and installing large water-cooled stator-rotor separation permanent magnet motors with the same diameter and different axial dimensions. The number of the adaptation rings 5 is one or more, corresponding adaptation rings 5 are installed according to motors with different axial dimensions, the universality of the test fixture is improved, and the equipment cost is reduced. The motor testing tool solves the problems that in the prior art, the motor testing tool cannot adapt to motors with different axial sizes, the motor testing tool does not have universality, and the equipment cost is high.

The installation method comprises the following steps: the inner adapter ring 5.1 and the outer adapter ring 5.2 are first mounted to the front end of the motor stator, after which the motor is turned over, the outer adapter ring 5.2 being in direct contact with the ground. The housing 2 is hoisted outside the motor. During the process, a plurality of long screws penetrate through the shell 2 and play a guiding role with the motor stator mounting holes 6, so that the motor stator threaded holes are ensured to correspond to the shell 2 hole sites. And then the long screw rod is removed, the motor stator and the shell 2 are locked by bolts, larger torque is born, and the problem that the common interference fit cannot meet the torque requirement is solved. At this time, the motor is turned over again, so that the motor stator can be attached to the positioning surface of the limiting convex ring 11 in the shell 2. At this time the motor can be lowered and the screws between the housing 2 and the motor stator can be locked. The rear flange 4 may then be installed. The motor rotor and shaft are installed in advance, and then the installed motor rotor is installed into the stator. Finally, the front flange 3 is mounted.

Further, as shown in fig. 1 and 2, the housing 2 is penetrated in the front-rear direction, the front flange 3 is fixed to the front end surface of the housing 2 by bolts, and the rear flange 4 is fixed to the rear end surface of the housing 2 by bolts.

Further, as shown in fig. 1, the adapting ring 5 includes an adapting inner ring 5.1 disposed in the housing 2, and an adapting outer ring 5.2 fixed to the adapting inner ring 5.1 by bolts, wherein the adapting inner ring 5.1 is connected to the motor stator by bolts, and the adapting outer ring 5.2 is connected to the front flange 3 by bolts. The adaptation ring 5 includes adaptation inner ring 5.1 and adaptation outer ring 5.2 for dodge the motor wiring, conveniently install adaptation ring 5 on motor stator's one end, adopt normal bolt can accomplish the installation, simple to operate. The inner side wall of one end of the fit inner ring 5.1 and the fit outer ring 5.2 is provided with a first connecting part 7, the inner side wall of one end of the fit outer ring 5.2 and the fit inner ring 5.1 is provided with a second connecting part 8, and the first connecting part 7 and the second connecting part 8 are connected through bolts. The strength of the connection between the adaptation inner ring 5.1 and the adaptation outer ring 5.2 is increased. The end of the adaptation inner ring 5.1 facing the adaptation outer ring 5.2 is provided with a male spigot 9, the end of the adaptation outer ring 5.2 facing the adaptation inner ring 5.1 is provided with a female spigot 10, and the female spigot 10 is matched with the male spigot 9. The accuracy of the mounting of the adaptation inner ring 5.1 and the adaptation outer ring 5.2 is improved.

Further, as shown in fig. 1, a limiting convex ring 11 is arranged on the inner side wall of the rear end of the shell 2, and the adapting ring 5 limits the motor stator on one side of the limiting convex ring 11 facing the front flange 3. The limit collar 11 prevents the motor stator from sliding in the housing 2 during installation. The limiting convex ring 11 is fixedly connected with the motor stator through bolts.

Further, as shown in fig. 1, a guiding tool is arranged on the inner side of the rear flange 4, the guiding tool comprises a guiding convex ring 12 arranged on the inner side wall of the rear flange 4 and a guide sleeve 13 sleeved on the guiding convex ring 12, the guiding tool and the motor rotor are coaxially arranged, and the guiding tool and the shell 2 are coaxially arranged. The guiding tool and the motor stator play a role in guiding and positioning, so that the motor stator and the shell 2 are coaxially distributed.

Further, as shown in fig. 2, the front flange 3 is provided with a wiring hole 14 for passing through the wiring of the motor. The bracket comprises a first support leg 15 fixed on the front flange 3 through a bolt and a second support leg 16 fixed on the rear flange 4 through a bolt, one end of the first support leg 15 facing the front flange 3 is provided with a first mounting groove 15.1 with an upward opening, and the first mounting groove 15.1 is matched with the front flange 3; the second support leg 16 is provided with a second mounting groove with an upward opening at one end facing the rear flange 4, the second mounting groove is matched with the rear flange 4, and the bracket is fixed on the base 1 through bolts.

Further, as shown in fig. 2, the front flange 3 and the rear flange 4 are provided with lifting lugs 17, the lifting lugs 17 are fixed on the front flange 3 through bolts, and the lifting lugs 17 are fixed on the rear flange 4 through bolts. Lifting lug 17 facilitates lifting and overturning the test fixture.

The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. All equivalent changes in shape and structure according to the present utility model are intended to be included in the scope of the present utility model.

Claims

1. The utility model provides a general test fixture of super large moment of torsion motor, includes the base, sets up the casing in the base top through the support, its characterized in that, the front end of casing is equipped with preceding flange, the rear end of casing is equipped with the back flange, be equipped with the adaptation ring in the casing, form the cavity that is used for installing motor stator between adaptation ring and the back flange, preceding flange and back flange limit motor stator and adaptation ring in the casing, be equipped with the mounting hole that is used for passing motor rotor on the back flange.

2. The universal testing tool for the oversized torque motor of claim 1, wherein the housing is through from front to back, the front flange is fixed on the front end face of the housing by bolts, and the rear flange is fixed on the rear end face of the housing by bolts.

3. The universal testing tool for the oversized torque motor of claim 2, wherein the adapter ring comprises an adapter inner ring arranged in the shell and an adapter outer ring fixed with the adapter inner ring through bolts, the adapter inner ring is connected with the motor stator through bolts, and the adapter outer ring is connected with the front flange through bolts.

4. The universal testing tool for the oversized torque motor of claim 3, wherein the inner side wall of one end of the inner ring matched with the outer ring is provided with a first connecting part, the inner side wall of one end of the outer ring matched with the inner ring is provided with a second connecting part, and the first connecting part and the second connecting part are connected through bolts.

5. The tool for testing the motor with ultra-large torque according to claim 3 or 4, wherein a male spigot is arranged at one end of the inner adapting ring, which faces the outer adapting ring, a female spigot is arranged at one end of the outer adapting ring, which faces the inner adapting ring, and the female spigot is matched with the male spigot.

6. The universal testing tool for the oversized torque motor of claim 1, 2, 3 or 4, wherein the limiting convex ring is arranged on the inner side wall of the rear end of the shell, and the adapting ring limits the motor stator on one side of the limiting convex ring facing the front flange.

7. The universal testing tool for the ultra-large torque motor according to claim 1, 2, 3 or 4, wherein a guiding tool is arranged on the inner side of the rear flange, the guiding tool comprises a guiding convex ring arranged on the inner side wall of the rear flange and a guiding sleeve sleeved on the guiding convex ring, the guiding tool and the motor rotor are coaxially arranged, and the guiding tool and the housing are coaxially arranged.

8. The universal testing tool for the oversized torque motor of claim 2, wherein the front flange is provided with a wiring hole for passing through the wiring of the motor.

9. The universal test fixture for the oversized torque motor of claim 1, 2, 3, 4 or 8, wherein the bracket comprises a first support leg fixed on the front flange through a bolt and a second support leg fixed on the rear flange through a bolt, one end of the first support leg facing the front flange is provided with a first mounting groove with an upward opening, and the first mounting groove is matched with the front flange; the one end of second stabilizer blade towards the rear flange is equipped with the second mounting groove that the opening was up, second mounting groove and rear flange cooperation, the support passes through the bolt fastening on the base.

10. The universal testing tool for the oversized torque motor of claim 1, 2, 3, 4 or 8, wherein the front flange and the rear flange are respectively provided with a lifting lug, the lifting lugs are fixed on the front flange through bolts, and the lifting lugs are fixed on the rear flange through bolts.