CN214252516U - Oil immersion motor test device - Google Patents
Oil immersion motor test device Download PDFInfo
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- CN214252516U CN214252516U CN202022636007.6U CN202022636007U CN214252516U CN 214252516 U CN214252516 U CN 214252516U CN 202022636007 U CN202022636007 U CN 202022636007U CN 214252516 U CN214252516 U CN 214252516U
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Abstract
The utility model belongs to the field of motor tests, and relates to an oil immersion motor test device, which comprises an oil tank, a test bracket, a shaft coupling, a torque and speed sensor and a torque loading device; the oil tank is used for holding kerosene, and the test support is arranged in fixed motor and puts the motor perpendicularly in kerosene, and shaft coupling, moment of torsion tachometric sensor, moment loading device are used for realizing the detection of motor loading and torque, rotational speed. The testing device adopts a vertical installation mode of the motor, the problem of output shaft sealing which needs to be considered when the testing device is horizontally placed in kerosene is not needed to be considered, the steps of oil injection and oil discharge in the prior motor testing process are omitted, and a set of devices for oil injection and oil discharge is omitted to control the inlet and outlet of the kerosene; the testing device is simple in structure, small in size, simple to disassemble, high in universality and convenient to move, testing efficiency is greatly improved, and equipment maintenance cost is reduced. The utility model discloses can carry out no-load, load performance test to the immersion oil motor.
Description
Technical Field
The utility model belongs to the motor test field relates to an immersion oil motor test device.
Background
At present, most of motor test devices working in oil are shown in a schematic diagram 1, a motor 1 is mainly horizontally fixed on the wall of an oil storage tank 8 through an adapter plate 2 and a bolt and is connected with a torque and rotation speed sensor 4 and a load 5 through a coupling, the oil storage tank 8 is in a dynamic sealing mode, oil is prevented from flowing out of a tank body, and the device is complex. The schematic diagram 2 is an enlarged structure diagram of a dynamic seal, and the dynamic seal is installed under strict requirements, needs to be installed by a professional, and is maintained and replaced regularly.
Because the motor is required to be completely immersed in oil when the motor works, the oil tank is required to be filled with oil through the pump and the oil inlet pipeline before the test. When the test is carried out every time, when a fixed motor is replaced to carry out the test, oil in the oil tank needs to be discharged firstly, so that the motor can be disassembled and installed, and therefore, the complete motor test needs a torque rotating speed sensor, a load, a switching disc, the oil tank, an oil storage tank, an oil well pump, an oil inlet pipeline, an oil outlet pipeline and a switch for controlling oil inlet and outlet. The device is comparatively complicated, and test time is longer and inconvenient removal.
Disclosure of Invention
The utility model aims at: the design is an oil immersion motor test device, which solves the technical problems of complex dynamic seal structure of an oil tank of the traditional test device, poor maintainability, repeated oil injection and oil discharge operation in the test and low test efficiency.
For solving the technical problem, the technical proposal of the utility model is that:
a test apparatus for an oil-immersed motor, said test apparatus comprising: the device comprises an oil tank, a test bracket, a coupling, a torque rotating speed sensor, a torque loading device and power supply equipment;
the test bracket is arranged on the oil tank fixing groove, the space in the vertical direction is designed into a three-layer structure, the test bracket is provided with an installation hole of a motor, and the tested motor is fixedly arranged at the bottom of the test bracket; the motor shaft is sequentially connected with the torque and rotation speed sensor and the torque loading device through a coupling and is used for detecting and displaying the torque and the rotation speed of the motor; the coupling is positioned on the first layer of the test bracket; the torque and rotation speed sensor is arranged on the second layer of the test bracket; the moment loading device is arranged on the third layer of the test bracket;
the coupling is positioned at the center of the test bracket and is sequentially connected with a motor output shaft, a torque rotating speed sensor and a torque loading device from bottom to top;
the middle part of the upper end of the oil tank is provided with a hole, the motor can penetrate through the hole, and the test bracket is placed above the oil tank;
and the power supply equipment is used for supplying power and supplying voltage for the torque loading device.
The moment loading device comprises: the torque loading device comprises an electromagnetic coil and a torque disc, wherein a first positive terminal and a first negative terminal on the electromagnetic coil are connected with an external power supply to supply power to the torque loading device.
The test support is provided with a universal mounting hole for mounting different motors. Different mounting holes are designed on the test support, the positions of the mounting holes on the test support are changed, the motor testing device can be suitable for other motors, and the switching disc for fixing the motor on the oil tank needs to be manufactured again after the motor structure of the conventional testing device is changed.
The test support is made of steel or aluminum alloy, preferably, the aluminum alloy is selected, and the test support is light and convenient to use for tests.
Preferably, the mounting structure of the motor and the test bracket is as follows: the tested motor is arranged at the bottom of the test bracket through a front end cover spigot and is fixed by a nut.
Preferably, the oil tank is provided with a spigot structure which is matched with the bottom of the test bracket to position the test bracket.
The utility model has the advantages that:
the utility model discloses a test device adopts the perpendicular mounting means of motor, need not to consider the sealed problem of output shaft that test device level need be considered in placing kerosene, specifically brings following technological effect:
the motor mounting bracket, the torque rotating speed sensor and the load are integrated, the motor can be vertically placed in the oil tank for testing, the problem of dynamic sealing between the inside of the oil tank, where the testing device is horizontally placed, of the motor shaft and the problem of periodic maintenance and disassembly of the sealing device are not required to be considered.
The motor does not need to be subjected to oil injection and oil discharge operations in the test process, a set of complex oil discharge and injection devices are not needed, only the oil tank is filled with oil capable of immersing the motor, and when the test is finished, the test support is only horizontally placed on the oil tank, and the motor is detached from the test support;
the oil well pump, the oil inlet and oil discharge pipeline, the switch for controlling oil inlet and outlet, the dynamic sealing device and other complex devices are omitted, manual regular maintenance of the dynamic sealing device is omitted, repeated oil injection and oil discharge operations in a test are omitted, the whole test device is simple in structure, small in size, simple to disassemble and convenient to move, test efficiency is greatly improved, and equipment maintenance cost is reduced.
The utility model provides a novel immersion oil motor test device, the structure is comparatively simple.
The utility model discloses can carry out no-load, load performance test to the immersion oil motor. The magnitude of the load can be changed by changing the current value of the coil in the load device on the test bracket.
The test bracket is additionally provided with the mounting hole, and the shaft couplings matched with other motor shafts are designed, so that the test bracket can be used for testing other motors, and has stronger universality.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the examples of the present invention will be briefly explained below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of a conventional oil-flooded motor test rig;
FIG. 2 is a schematic view of a dynamic seal of a conventional oil immersed motor test apparatus;
fig. 3 is a schematic view of a testing device of the oil immersed motor of the present invention;
in the figure, 1 motor, 2 switching plate, 3 dynamic seal, 4 torque speed sensor, 5 load device, 6 oil tank inlet, 7 oil tank outlet, 8 oil storage tank, 9 second positive and negative terminals, 11 gland, 12 dynamic ring, 13 sealing ring, 14 spring, 15 spring box, 16 shaft sleeve, 17 sealing ring, 18 static ring, 19 gland pad, 21 oil tank, 23 test support, 24 coupling, 26 electromagnetic coil, 27 moment plate, 28 first positive and negative terminals.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Features of various aspects of embodiments of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples thereof. The present invention is not limited to any particular arrangement and method provided below, but covers any modification, replacement, etc. of all product structures, methods covered without departing from the spirit of the invention.
In the drawings and the following description, well-known structures and techniques are not shown to avoid unnecessarily obscuring the present invention.
Referring to fig. 3, the tested motor 1 is installed at the bottom of the test bracket through a front end cover seam allowance and is fixed by a nut, a second positive terminal 9 and a second negative terminal 9 of the motor are connected with an external power supply to supply power to a controller and are connected with a 28V power supply, and the test bracket 23 is installed on a fixed groove of an oil tank 21; the motor shaft is connected with a torque rotating speed sensor 4 and a torque loading device through a coupling 24, the torque rotating speed sensor is installed between a test bracket and the torque loading device and integrated with the test bracket, the torque rotating speed sensor can convert the measured torque and the rotating speed into two groups of alternating current signals with phase difference through an elastic shaft and two groups of magnetoelectric signal generators, and the two groups of alternating current signals have the same frequency and are in direct proportion to the rotating speed of the shaft. Therefore, the rotating speed and the torque of the motor can be measured.
The moment loading device comprises an electromagnetic coil 26 and a moment disc 27, a first positive terminal 28 and a first negative terminal 28 are connected with an external power supply to supply power to the moment loading device (connected with a 15V power supply), when the 15V power supply supplies power to the electromagnetic coil, the coil generates a magnetic field, the moment disc is stressed under the action of the magnetic field, and the magnitude of external current determines the magnitude of moment of the given moment disc, namely the magnitude of load.
The utility model discloses a use method: the testing support is horizontally placed above an oil tank, a motor is provided with a key and a coupling and then is installed on the testing support, a circuit is connected, the testing support is vertically placed in a fixing groove of the oil tank, the motor is immersed in oil, a torque rotating speed sensor switch is turned on, a power supply of 28V is turned on, an idle-load test is firstly carried out on the immersed motor, the idle-load rotating speed of the motor can be detected by the torque rotating speed sensor, the working current can be measured by a testing table, after the rotating speed is stable, a 15V power supply is turned on, torque loading is carried out on the motor, the rotating speed of the motor is recorded after the fixed torque is reached, and whether the performance of the motor meets the requirements or not is checked. And when the test is finished, unloading, closing the power supply of 15V and 28V, taking the motor out of the oil after the rotating speed is reduced to 0, and disassembling the motor.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an immersion oil motor test device which characterized in that: the test device comprises: the device comprises an oil tank, a test bracket, a coupling, a torque rotating speed sensor, a torque loading device and power supply equipment;
the test bracket is arranged on the oil tank fixing groove, the space in the vertical direction is designed into a three-layer structure, the test bracket is provided with an installation hole of a motor, and the tested motor is fixedly arranged at the bottom of the test bracket; the motor shaft is connected with a torque rotating speed sensor and a torque loading device in sequence through a coupling; the coupling is positioned on the first layer of the test bracket; the torque and rotation speed sensor is arranged on the second layer of the test bracket; the moment loading device is arranged on the third layer of the test bracket;
the coupling is positioned at the center of the test bracket and is sequentially connected with a motor output shaft, a torque rotating speed sensor and a torque loading device from bottom to top;
the middle part of the upper end of the oil tank is provided with a hole, the motor can penetrate through the hole, and the test bracket is placed above the oil tank;
and the power supply equipment supplies power and provides voltage for the torque loading device.
2. The oil-flooded motor test apparatus according to claim 1, wherein: the moment loading device comprises: the torque loading device comprises an electromagnetic coil and a torque disc, wherein a first positive terminal and a first negative terminal on the electromagnetic coil are connected with an external power supply to supply power to the torque loading device.
3. The oil-flooded motor test apparatus according to claim 1, wherein: the mounting structure of the motor and the test support is as follows:
the tested motor is arranged at the bottom of the test bracket through a front end cover spigot and is fixed by a nut.
4. The oil-flooded motor test apparatus according to claim 1, wherein: the oil tank is provided with a spigot structure which is matched with the bottom of the test bracket.
5. The oil-flooded motor test apparatus according to claim 1, wherein: the test support is provided with a universal mounting hole for mounting different motors.
6. The oil-flooded motor test apparatus according to claim 1, wherein: the test support is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022636007.6U CN214252516U (en) | 2020-11-13 | 2020-11-13 | Oil immersion motor test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022636007.6U CN214252516U (en) | 2020-11-13 | 2020-11-13 | Oil immersion motor test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214252516U true CN214252516U (en) | 2021-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022636007.6U Active CN214252516U (en) | 2020-11-13 | 2020-11-13 | Oil immersion motor test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214252516U (en) |
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2020
- 2020-11-13 CN CN202022636007.6U patent/CN214252516U/en active Active
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