CN212909228U - Power transmission loading device composed of motor and generator - Google Patents
Power transmission loading device composed of motor and generator Download PDFInfo
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- CN212909228U CN212909228U CN202021546191.9U CN202021546191U CN212909228U CN 212909228 U CN212909228 U CN 212909228U CN 202021546191 U CN202021546191 U CN 202021546191U CN 212909228 U CN212909228 U CN 212909228U
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- 210000003781 tooth socket Anatomy 0.000 claims description 2
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Abstract
The utility model discloses a power transmission loading device that one set of motor, generator are constituteed, include: the fixed frame of C shape, the lateral wall sliding connection of the fixed frame of C shape has drive arrangement, the diapire fixedly connected with electric telescopic handle of the fixed frame of C shape, electric telescopic handle's upper surface with drive arrangement's lower fixed surface is connected, the roof fixedly connected with sliding guide of the fixed frame of C shape just sliding guide's lower surface with drive arrangement's upper surface meshing is connected. The electric telescopic rod in the utility model extends out and drives the driving device to ascend, the driving device is meshed with the sliding guide rail to complete the power loading between the driving device and the sliding guide rail, and when the sliding guide rail has a fault, the electric telescopic rod contracts and drives the driving device to descend, and the driving device is disengaged from the sliding guide rail, thereby better protecting the driving device; in addition, parts in the driving device can be detached, so that fault input simulation of a fault Prediction and Health Management (PHM) system is facilitated.
Description
Technical Field
The utility model relates to a power transmission technical field of motor and generator, more specifically says, the utility model relates to a power transmission loading device that one set of motor, generator are constituteed.
Background
The position of the driving device in the existing transmission system is mostly fixed and unchangeable, when the driven devices such as the sliding guide rail have problems, the driving device can not be separated from the driven devices, so that the driving device is easily damaged, the driving assembly can not be effectively protected, parts of the driving device in the existing transmission system are not easy to detach, and if fault Prediction and Health Management (PHM) fault simulation input are carried out, the parts are inconvenient to replace. Therefore, there is a need for a power transmission loading device composed of a motor and a generator to at least partially solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.
For at least partly solving above-mentioned problem, the utility model provides a power transmission loading device that one set of motor, generator are constituteed, include: the fixed frame of C shape, the lateral wall sliding connection of the fixed frame of C shape has drive arrangement, the diapire fixedly connected with electric telescopic handle of the fixed frame of C shape, electric telescopic handle's upper surface with drive arrangement's lower fixed surface is connected, the roof fixedly connected with sliding guide of the fixed frame of C shape just sliding guide's lower surface with drive arrangement's upper surface meshing is connected.
Preferably, drive arrangement includes L shape fixed plate, the lateral wall of L shape fixed plate with the lateral wall sliding connection of the fixed frame of C shape, the diapire of L shape fixed plate with electric telescopic handle's last fixed surface is connected.
Preferably, drive arrangement still includes the drive shaft, be equipped with the round hole on the lateral wall of L shape fixed plate, the lateral wall of the fixed frame of C shape be equipped with the corresponding slot hole of round hole, the drive shaft is close to the one end of the lateral wall of the fixed frame of C shape is passed the round hole fixedly connected with driving motor behind the slot hole, other end fixedly connected with drive gear.
Preferably, the upper end of the driving motor is close to one side fixedly connected with connecting piece of the C-shaped fixing frame, and one end of the connecting piece, which is far away from the driving motor, is fixedly connected with the side wall of the L-shaped fixing plate.
Preferably, a transmission shaft fixedly connected with the side wall of the L-shaped fixing plate is arranged at the upper right of the round hole, one end, far away from the side wall of the L-shaped fixing plate, of the transmission shaft is connected with a transmission gear, and the transmission gear is meshed with the driving gear.
Preferably, the transmission gear is fixedly connected with a bearing in the inner part, the outer ring of the bearing is fixedly connected with the transmission gear, and the inner ring of the bearing is fixedly connected with one end of the transmission shaft, which is far away from the side wall of the L-shaped fixing plate.
Preferably, sliding guide includes rack guide, fixed slider, rack guide's lower surface evenly distributed a plurality of with drive gear engaged with tooth's socket, fixed slider's upper surface with the roof fixed connection of the fixed frame of C-shaped, fixed slider lower extreme is equipped with and supplies the gliding slide of rack guide.
Preferably, the right end of the electric telescopic rod is provided with a generator fixedly connected with the bottom wall of the C-shaped fixing frame, and the generator is electrically connected with the electric telescopic rod.
Preferably, a frequency converter fixedly connected with the bottom wall of the C-shaped fixing frame is arranged between the generator and the electric telescopic rod, the input end of the frequency converter is electrically connected with the generator, and the output end of the frequency converter is electrically connected with the driving motor.
Preferably, a first switch for controlling the on-off of the electric connection of the generator and the electric telescopic rod is arranged between the generator and the electric telescopic rod, and a second switch for controlling the on-off of the electric connection of the generator and the frequency converter is arranged between the generator and the frequency converter.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
the electric telescopic rod in the utility model extends out to drive the driving device to ascend, the driving device is meshed with the sliding guide rail to complete the power loading between the driving device and the sliding guide rail, and when the sliding guide rail has a fault, the electric telescopic rod contracts to drive the driving device to descend, and the driving device is separated from the sliding guide rail to be meshed so as to protect the driving device; in addition, parts in the driving device can be detached, so that fault input simulation of a fault Prediction and Health Management (PHM) system is facilitated.
The utility model discloses a power transmission loading device that one set of motor, generator constitute, other advantages, targets and characteristics of the utility model will be embodied partly through the following description, and the part will still be through right the utility model discloses a research and practice are understood for technical personnel in the field.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a left side view of a power transmission loading device composed of a set of motor and generator, which is a sectioning structure diagram.
Fig. 2 is a schematic view of a front view structure of a power transmission loading device composed of a set of motor and generator according to the present invention.
Fig. 3 is a rear view local schematic diagram of the power transmission loading device composed of one set of motor and generator, wherein the power transmission loading device is assembled by a connecting piece, a C-shaped fixing frame and an L-shaped fixing plate.
Fig. 4 is a schematic front view of an L-shaped fixing plate in a power transmission loading device composed of a set of motor and generator according to the present invention.
Fig. 5 is a schematic cross-sectional view of a fixed slide block in a power transmission loading device composed of a set of motor and generator according to the present invention.
1 is a C-shaped fixed frame, 1-1 is a long hole, 2 is a driving device, 2-1 is an L-shaped fixed plate, 2-1-1 is a round hole, 2-2 is a driving shaft, 2-3 is a driving motor, 2-4 is a driving gear, 2-5 is a connecting piece, 2-6 is a transmission shaft, 2-7 is a transmission gear, 2-8 is a bearing, 3 is an electric telescopic rod, 4 is a sliding guide rail, 4-1 is a rack guide rail, 4-1-1 is a tooth socket, 4-2 is a fixed sliding block, 4-2-1 is a sliding way, 5 is a generator, and 6 is a frequency converter.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-5, the utility model provides a power transmission loading device that one set of motor, generator are constituteed, include: fixed frame 1 of C shape, the lateral wall sliding connection of the fixed frame 1 of C shape has drive arrangement 2, the diapire fixedly connected with electric telescopic handle 3 of the fixed frame 1 of C shape, electric telescopic handle 3 the upper surface with drive arrangement 2's lower fixed surface is connected, the roof fixedly connected with sliding guide 4 of the fixed frame 1 of C shape just sliding guide 4's lower surface with drive arrangement 2's upper surface meshing is connected.
The working principle and the beneficial effects of the technical scheme are as follows: in the utility model, the electric telescopic rod 3 extends out and drives the driving device 2 to ascend, the driving device 2 is meshed with the sliding guide rail 4 to complete the power loading between the driving device and the sliding guide rail, and when the sliding guide rail 4 has a fault, the electric telescopic rod 3 contracts and drives the driving device 2 to descend, the driving device 2 is disengaged from the sliding guide rail 4, thereby better protecting the driving device 2; in addition, parts in the driving device 2 can be detached, so that fault input simulation of a fault Prediction and Health Management (PHM) system is facilitated.
In one embodiment, the driving device 2 comprises an L-shaped fixing plate 2-1, the side wall of the L-shaped fixing plate 2-1 is slidably connected with the side wall of the C-shaped fixing frame 1, and the bottom wall of the L-shaped fixing plate 2-1 is fixedly connected with the upper surface of the electric telescopic rod 3.
The working principle and the beneficial effects of the technical scheme are as follows: the side wall of the L-shaped fixing plate 2-1 can be provided with a slideway (not shown in the figure), and the side wall of the C-shaped fixing frame 1 can be provided with a sliding chute (not shown in the figure) corresponding to the slideway, so that the ascending or descending stability of the driving device 2 is ensured, and the driving device 2 and the sliding guide rail 4 are convenient to engage or disengage; the bottom wall of the L-shaped fixing plate 2-1 and the electric telescopic rod 3 can be fixed in a threaded connection mode, the fixing is firm and reliable, and the electric telescopic rod 3 drives the L-shaped fixing plate 2-1 to lift synchronously.
In one embodiment, the driving device 2 further comprises a driving shaft 2-2, a circular hole 2-1-1 is formed in the side wall of the L-shaped fixing plate 2-1, a long hole 1-1 corresponding to the circular hole 2-1-1 is formed in the side wall of the C-shaped fixing frame 1, one end, close to the side wall of the C-shaped fixing frame 1, of the driving shaft 2-2 penetrates through the circular hole 2-1-1, a driving motor 2-3 is fixedly connected to the rear of the long hole 1-1, and a driving gear 2-4 is fixedly connected to the other end of the driving shaft.
The working principle and the beneficial effects of the technical scheme are as follows: the round hole 2-1-1 corresponds to the long hole 1-1, the radius of the round hole 2-1-1 is smaller than the minimum radius of the long hole 1-1, and the driving shaft 2-2 cannot be in contact with the long hole 1-1 to influence the lifting of the L-shaped fixing plate 2-1; two ends of the driving shaft 2-2 are respectively fixedly connected with the driving motor 2-3 and the driving gear 2-4, and the driving motor 2-3 transmits power to the driving gear 2-4 through the driving shaft 2-2; in addition, the fixed connection mode between the driving shaft 2-2 and the driving motor 2-3 as well as the driving gear 2-4 is detachable connection, so that one or more of the driving shaft 2-2, the driving motor 2-3 and the driving gear 2-4 can be replaced by problematic parts conveniently, and fault input simulation of a fault Prediction and Health Management (PHM) system is facilitated.
In one embodiment, a connecting piece 2-5 is fixedly connected to one side of the upper end of the driving motor 2-3 close to the C-shaped fixing frame 1, and one end of the connecting piece 2-5 far away from the driving motor 2-3 is fixedly connected to the side wall of the L-shaped fixing plate 2-1.
The working principle and the beneficial effects of the technical scheme are as follows: the connecting piece 2-5 can be a motor flange, and two ends of the connecting piece are respectively fixedly connected with the side walls of the driving motor 2-3 and the L-shaped fixing plate 2-1 through threaded connection, so that the driving motor 2-3 is firmly fixed with the side wall of the L-shaped fixing plate 2-1 through the connecting piece 2-5, and the driving motor 2-3 and the connecting piece 2-5 are synchronously lifted with the L-shaped fixing plate 2-1; the maximum radius of the part, penetrating through the long hole 1-1, of the connecting piece 2-5 is smaller than the minimum radius of the long hole 1-1, the driving motor 2-3 is arranged on the left side of the side wall of the C-shaped fixing frame 1, and the connecting piece 2-5 and the driving motor 2-3 cannot be in contact with the long hole 1-1 to further influence the lifting of the L-shaped fixing plate 2-1.
In one embodiment, a transmission shaft 2-6 fixedly connected with the side wall of the L-shaped fixing plate 2-1 is arranged at the upper right of the round hole 2-1-1, one end, far away from the side wall of the L-shaped fixing plate 2-1, of the transmission shaft 2-6 is connected with a transmission gear 2-7, and the transmission gear 2-7 is meshed with the driving gear 2-4.
The working principle and the beneficial effects of the technical scheme are as follows: the power of the driving gear 2-4 is transmitted to the transmission gear 2-7 through meshing connection, the connection modes of the transmission shaft 2-6 and the transmission gear 2-7 and the connection modes of the transmission shaft 2-6 and the fixing plate 2-1 can be detachably connected, so that the transmission shaft 2-6 or the transmission gear 2-7 can be conveniently replaced by a problematic part, and the fault input of a fault Prediction and Health Management (PHM) system is facilitated.
In one embodiment, a bearing 2-8 is fixedly connected inside the transmission gear 2-7, an outer ring of the bearing 2-8 is fixedly connected with the transmission gear 2-7, and an inner ring of the bearing 2-8 is fixedly connected with one end of the transmission shaft 2-6, which is far away from the side wall of the L-shaped fixing plate 2-1.
The working principle and the beneficial effects of the technical scheme are as follows: the transmission gear 2-7 is rotatably connected with the transmission shaft 2-6 through a bearing 2-8, so that the power transmission of the transmission gear 2-7 is facilitated; the outer ring of the bearing 2-8 is detachably connected with the transmission gear 2-7, and the inner ring of the bearing 2-8 is fixedly connected with the transmission shaft 2-6, so that the bearing 2-8 is conveniently replaced by a problematic bearing, and the fault input of a fault Prediction and Health Management (PHM) system is conveniently simulated.
In one embodiment, the sliding guide rail 4 comprises a rack guide rail 4-1 and a fixed sliding block 4-2, a plurality of tooth grooves 4-1-1 meshed with the transmission gears 2-7 are uniformly distributed on the lower surface of the rack guide rail 4-1, the upper surface of the fixed sliding block 4-2 is fixedly connected with the top wall of the C-shaped fixed frame 1, and a slide way 4-2-1 for the rack guide rail 4-1 to slide is arranged at the lower end of the fixed sliding block 4-2.
The working principle and the beneficial effects of the technical scheme are as follows: the slide way 4-2-1 limits the freedom degrees of up-down translation, front-back translation and rotation between the rack guide rail 4-1 and the fixed slide block 4-2, the rack guide rail 4-1 can only translate left and right in the fixed slide block 4-2, and the transmission gear 2-7 is meshed and connected with the tooth groove 4-1-1 and then transmits power to the rack guide rail 4-1, so that the rack guide rail 4-1 translates left and right along the fixed slide block 4-2, and the power transmission between the driving device 2 and the sliding guide rail 4 is completed.
In one embodiment, the right end of the electric telescopic rod 3 is provided with a generator 5 fixedly connected with the bottom wall of the C-shaped fixing frame 1, and the generator 5 is electrically connected with the electric telescopic rod 3.
The working principle and the beneficial effects of the technical scheme are as follows: the power supply of electric telescopic handle 3 is generator 5, and generator 5 supplies power to the motor in electric telescopic handle 3 for electric telescopic handle 3 can go up and down.
In one embodiment, a frequency converter 6 fixedly connected with the bottom wall of the C-shaped fixed frame 1 is arranged between the generator 5 and the electric telescopic rod 3, an input end of the frequency converter 6 is electrically connected with the generator 5, and an output end of the frequency converter 6 is electrically connected with the driving motors 2-3.
The working principle and the beneficial effects of the technical scheme are as follows: the generator 5 supplies power to the frequency converter 6, the frequency converter 6 supplies power to the driving motor 2-3, the frequency converter 6 controls the rotating speed of the driving motor 2-3 through frequency adjustment and can also control the steering of the driving motor 2-3, the moving speed and the moving direction of the rack guide rail 4-1 in the sliding guide rail 4 can be controlled, the adjustment and the use by a user are facilitated, and the process can be automatically controlled by arranging a limit switch, a PLC and the like; in addition, the rotating speed and the direction of the driving motors 2-3 can be controlled, so that the influence of inputting different speeds on a Prediction and Health Management (PHM) system can be conveniently simulated.
In one embodiment, a first switch for controlling the on-off of the circuit of the generator 5 is arranged between the generator and the electric telescopic rod 3, and a second switch for controlling the on-off of the circuit of the generator 5 is arranged between the generator and the frequency converter 6.
The working principle and the beneficial effects of the technical scheme are as follows: the first switch is a reversible switch, which can not only control the on-off of the circuit between the generator 5 and the electric telescopic rod 3, but also adjust the positive and negative rotation of the motor in the telescopic rod 3, so as to realize the lifting of the electric telescopic rod 3, when the utility model is started, the first switch controls the lifting of the telescopic rod 3 and drives the driving device 2 to be meshed with the sliding guide rail 4 so as to complete the power loading between the two, and when the sliding guide rail 4 has a fault, the second switch is firstly switched off, namely, the frequency converter 6 is electrically disconnected with the generator 5, after the driving motor 2-3 is quickly stopped under the internal braking action, the first switch controls the telescopic rod 3 to contract and drives the driving device 2 to descend, the driving device 2 is disengaged from the sliding guide rail 4, thereby better protection drive arrangement 2, this process can realize automatic control through setting up electric eye, limit switch, PLC, contactor etc. in addition.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. A power transmission loading device composed of a set of motor and generator is characterized by comprising: fixed frame (1) of C shape, the lateral wall sliding connection of the fixed frame of C shape (1) has drive arrangement (2), diapire fixedly connected with electric telescopic handle (3) of the fixed frame of C shape (1), the upper surface of electric telescopic handle (3) with the lower fixed surface of drive arrangement (2) is connected, the roof fixedly connected with sliding guide (4) of the fixed frame of C shape (1) just the lower surface of sliding guide (4) with the upper surface meshing of drive arrangement (2) is connected.
2. The power transmission loading device composed of a set of motor and generator according to claim 1, wherein the driving device (2) comprises an L-shaped fixing plate (2-1), the side wall of the L-shaped fixing plate (2-1) is slidably connected with the side wall of the C-shaped fixing frame (1), and the bottom wall of the L-shaped fixing plate (2-1) is fixedly connected with the upper surface of the electric telescopic rod (3).
3. The power transmission loading device composed of a set of motor and generator according to claim 2, wherein the driving device (2) further comprises a driving shaft (2-2), a circular hole (2-1-1) is formed in the side wall of the L-shaped fixing plate (2-1), a long hole (1-1) corresponding to the circular hole (2-1-1) is formed in the side wall of the C-shaped fixing frame (1), one end, close to the side wall of the C-shaped fixing frame (1), of the driving shaft (2-2) penetrates through the circular hole (2-1-1), a driving motor (2-3) is fixedly connected behind the long hole (1-1), and a driving gear (2-4) is fixedly connected to the other end of the driving shaft.
4. The power transmission loading device consisting of a set of motor and generator according to claim 3, characterized in that a connecting piece (2-5) is fixedly connected to one side of the upper end of the driving motor (2-3) close to the C-shaped fixing frame (1), and one end of the connecting piece (2-5) far away from the driving motor (2-3) is fixedly connected with the side wall of the L-shaped fixing plate (2-1).
5. The power transmission loading device composed of a set of motor and generator according to claim 3, characterized in that a transmission shaft (2-6) fixedly connected with the side wall of the L-shaped fixing plate (2-1) is arranged at the upper right of the round hole (2-1-1), one end of the transmission shaft (2-6) far away from the side wall of the L-shaped fixing plate (2-1) is connected with a transmission gear (2-7), and the transmission gear (2-7) is meshed with the driving gear (2-4).
6. The power transmission loading device formed by a set of motor and generator according to claim 5, wherein a bearing (2-8) is fixedly connected to the inside of the transmission gear (2-7), the outer ring of the bearing (2-8) is fixedly connected with the transmission gear (2-7), and the inner ring of the bearing (2-8) is fixedly connected with one end of the transmission shaft (2-6) far away from the side wall of the L-shaped fixing plate (2-1).
7. The power transmission loading device composed of a set of motor and generator according to claim 6, wherein the sliding guide rail (4) comprises a rack guide rail (4-1) and a fixed sliding block (4-2), a plurality of tooth sockets (4-1-1) meshed with the transmission gears (2-7) are uniformly distributed on the lower surface of the rack guide rail (4-1), the upper surface of the fixed sliding block (4-2) is fixedly connected with the top wall of the C-shaped fixed frame (1), and a slide way (4-2-1) for the rack guide rail (4-1) to slide is arranged at the lower end of the fixed sliding block (4-2).
8. The power transmission loading device consisting of the motor and the generator as claimed in claim 3, wherein the generator (5) fixedly connected with the bottom wall of the C-shaped fixed frame (1) is arranged at the right end of the electric telescopic rod (3), and the generator (5) is electrically connected with the electric telescopic rod (3).
9. The power transmission loading device formed by a set of motor and generator according to claim 8, wherein a frequency converter (6) fixedly connected with the bottom wall of the C-shaped fixed frame (1) is arranged between the generator (5) and the electric telescopic rod (3), the input end of the frequency converter (6) is electrically connected with the generator (5), and the output end of the frequency converter (6) is electrically connected with the driving motor (2-3).
10. The power transmission loading device consisting of a set of motor and generator according to claim 9, wherein a first switch for controlling the on-off of the circuit is arranged between the generator (5) and the electric telescopic rod (3), and a second switch for controlling the on-off of the circuit is arranged between the generator (5) and the frequency converter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546191.9U CN212909228U (en) | 2020-07-30 | 2020-07-30 | Power transmission loading device composed of motor and generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546191.9U CN212909228U (en) | 2020-07-30 | 2020-07-30 | Power transmission loading device composed of motor and generator |
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| Publication Number | Publication Date |
|---|---|
| CN212909228U true CN212909228U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021546191.9U Expired - Fee Related CN212909228U (en) | 2020-07-30 | 2020-07-30 | Power transmission loading device composed of motor and generator |
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| CN (1) | CN212909228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702828A (en) * | 2021-08-31 | 2021-11-26 | 天津大学 | Motor fault simulation experiment table for active variable fault and fault diagnosis experiment method |
-
2020
- 2020-07-30 CN CN202021546191.9U patent/CN212909228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702828A (en) * | 2021-08-31 | 2021-11-26 | 天津大学 | Motor fault simulation experiment table for active variable fault and fault diagnosis experiment method |
| CN113702828B (en) * | 2021-08-31 | 2022-05-17 | 天津大学 | Motor fault simulation experiment table for active variable fault and fault diagnosis experiment method |
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Granted publication date: 20210406 |