Flexible tool clamp for testing new energy automobile motor
Technical Field
The application relates to the technical field of mechanical transmission, in particular to a flexible tool clamp for testing a motor of a new energy automobile.
Background
The motor is used as a heart of the new energy automobile, is responsible for converting the electric energy of the battery into mechanical energy to drive the new energy automobile to run, is an indispensable part of the new energy automobile, and has particularly important reliability and efficiency and is ballast foundation stone. Therefore, the quality and reliability of the new energy automobile motor are evaluated by simulating the actual road conditions, which are necessary steps for developing the motor for each large automobile enterprise.
At present, motor tests are generally divided into assembly tests and single motor tests, but no matter which test needs to connect a tested motor with a dynamometer, so that the connection of a tool is particularly important, and particularly, when high-rotation-speed data of the motor are collected, the requirement on the tool is higher. However, as the shape of the motor housing is not unified, along with the development of a large number of new energy automobile motors, the shape of the motor housing is also different, which puts forward higher requirements on the fixed installation during motor test, and designing a tool fixture which meets the connection requirements and has strong structural adaptability is one of the key problems to be solved.
Disclosure of Invention
Aiming at the problems, the application provides the flexible fixture for testing the motor of the new energy automobile, which has the beneficial effects that a plurality of motors to be tested can conveniently clamp and measure by arranging the fixture with certain installation universality between the motor to be tested and the dynamometer, and the flexible fixture for testing the motor of the new energy automobile is realized by the following technical scheme:
The flexible tool clamp for testing the motor of the new energy automobile comprises a mounting plate and a shaft connecting piece, wherein the mounting plate is connected with a motor to be tested, the shaft connecting piece is used for connecting a motor shaft of the motor to be tested with a dynamometer in a transmission manner, and a variable mounting part used for being connected with the motor to be tested is arranged on the mounting plate.
Further set up, variable installation department is including being used for supplying the variable mounting hole that the fastener passed, variable mounting hole sets up to a plurality of variable mounting holes use the center pin of mount pad as the center be circumference distribute in on the mount pad, through this setting, the mount pad can be according to the size model of being surveyed the motor, is selected from the variable mounting hole of adaptation position, connects through the fastener and is surveyed the casing fixed connection of motor, and the installation scope is bigger more convenient.
Further set up, the periphery of mounting disc is provided with the screw thread fixed orifices, through this setting, and the convenience mounting disc is fixed with the casing of being surveyed the motor relatively, and overall structure is more firm.
Further set up, the periphery of mounting disc is provided with the locating hole, through this setting, and the convenience mounting disc is fixed with the casing of being surveyed the motor relatively, and overall structure is more firm.
Further set up, set up the trompil that is used for being surveyed the motor shaft of motor to pass on the mounting disc, through this setting, prevent that the motor shaft of motor and the mounting disc from touching.
Further set up, the axle connecting piece sets up to the spline housing, the spline housing includes installation department and connecting portion, the installation department with connecting portion integrated into one piece, the installation department is connected with the dynamometer transmission, connecting portion passes through spline connection with the motor that is surveyed, through this setting, the convenience the axle connecting piece is connected with the motor shaft that is surveyed, makes whole operation more simple and convenient to the use is more firm.
Further set up, be provided with a plurality of screw thread mounting holes on the installation department, the installation department pass through the fastener with screw thread mounting hole complex mode is connected with the dynamometer transmission, through this setting, makes the dynamometer with the axle coupling spare installation is firm, and the transmission is firm for overall structure is firm.
Further set up, connecting portion set up to the internal spline, with the external spline motor shaft looks adaptation of being surveyed the motor, through this setting, connecting portion and the motor shaft looks adaptation of being surveyed the motor, it is more whole, easy to assemble.
Further set up, connecting portion set up to external splines, with the internal spline motor shaft looks adaptation of being surveyed the motor, through this setting, connecting portion and the motor shaft looks adaptation of being surveyed the motor, it is more whole, easy to assemble.
The flexible tool clamp for testing the new energy automobile motor is composed of the mounting disc and the spline housing, wherein the mounting disc is provided with the variable mounting hole and fixedly connected with the dynamometer, the structural universality of the variable mounting hole is guaranteed and meanwhile the sufficient connection strength is guaranteed under the condition of the same dynamometer, the spline housing is matched with the spline shaft of the tested motor to transmit torque, the length of the spline housing can be flexibly adjusted according to actual conditions due to the diversity of the tested motor and the fixed relative position of the dynamometer, and the inner spline of the spline housing can be rapidly designed according to the external spline parameters of the spline shaft of the tested motor, so that the size and the matching can be flexibly designed, the design flexibility is greatly enhanced, the tool design period is shortened, and the test time of the tested motor is greatly shortened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an assembly schematic diagram of a flexible tool clamp for testing a new energy automobile motor, which is provided by the embodiment of the application;
fig. 2 is a schematic diagram of an installation plate structure of a flexible fixture for testing a new energy automobile motor, which is provided by the embodiment of the application;
fig. 3 is a schematic diagram of a shaft connector of a flexible tool fixture for testing a new energy automobile motor, which is provided by the embodiment of the application.
Wherein, each reference sign in the figure:
1. The device comprises a mounting disc, a shaft connecting piece, a variable mounting part, a variable mounting hole, a threaded fixing hole, a positioning hole, a 9, an opening, a 10, a spline housing, a 11, a mounting part, a 12, a connecting part, a 13, a threaded mounting hole and a14, and an internal spline.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The application will now be further described with reference to the accompanying drawings and detailed description:
Referring to fig. 1 to 3, the flexible fixture for testing the motor of the new energy automobile comprises a mounting plate 1 and a shaft connecting piece 2, wherein the mounting plate 1 is connected with a motor to be tested, the shaft connecting piece 2 is used for connecting a motor shaft of the motor to be tested with a dynamometer in a transmission manner, and a variable mounting part 5 used for being connected with the motor to be tested is arranged on the mounting plate 1.
Referring to fig. 1 and 2, in this embodiment, the motor to be tested is fixedly connected with a mounting plate 1, a motor shaft of the motor to be tested rotates, the shaft connector rotates, the variable mounting part 5 comprises a plurality of variable mounting holes 6 for a fastener to pass through, the plurality of variable mounting holes 6 are circumferentially distributed on the mounting plate 1 with a central shaft of the mounting plate 1 as a center, the variable mounting holes 6 thus arranged can be used for mounting at different positions according to different factors such as the whole size and the mounting hole position of the motor to be tested, and are convenient for various motors to be tested, a threaded fixing hole 7 is arranged on the periphery of the mounting plate 1 and is fixed with a shell of the motor to be tested, so that the purpose of measurement is achieved, a positioning hole 8 is arranged on the periphery of the mounting plate 1, the threaded fixing hole 7 is convenient for warning connection, an opening 9 for a motor shaft of the motor to be tested passes through is formed in the mounting plate 1, and the motor shaft 9 of the motor to be tested is larger than the opening 9 of the motor to be tested and the shaft is convenient for connecting with the shaft to be tested 2, and the opening 9 is prevented from being caused by errors.
Referring to fig. 1 and 3, in this embodiment, the shaft connecting piece 2 is configured as a spline housing 10, the spline housing 10 includes a mounting portion 11 and a connecting portion 12, the mounting portion 11 and the connecting portion 12 are integrally formed, the mounting portion 11 is in transmission connection with a power meter, the connecting portion 12 is connected with a motor to be measured through a spline, so that one side of the spline housing 10 is in synchronous transmission connection with a motor shaft of the motor to be measured, the other side of the spline housing is connected with an input end of the power meter, so that a function of transmitting a force of the motor to be measured to the power meter is achieved, a plurality of threaded mounting holes 13 are formed in the mounting portion 11, the mounting portion 11 is in transmission connection with the power meter in a mode of matching the threaded mounting holes 13 through fasteners, so that a connection requirement for the mounting portion 11 and the power meter is high, fixed transmission ratio transmission is required, errors caused to measurement results are prevented, the connecting portion 12 is configured as an internal spline 14 and is matched with an external spline of the motor, the connecting portion 12 is configured as an external spline and is matched with an internal spline of the motor shaft of the motor to be measured, so that the spline housing 10 is correspondingly arranged.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.