CN106769015B - Transmission system dynamic characteristic experiment table measuring device and detection method - Google Patents
Transmission system dynamic characteristic experiment table measuring device and detection method Download PDFInfo
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- CN106769015B CN106769015B CN201611233619.2A CN201611233619A CN106769015B CN 106769015 B CN106769015 B CN 106769015B CN 201611233619 A CN201611233619 A CN 201611233619A CN 106769015 B CN106769015 B CN 106769015B
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- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The utility model provides a drive system dynamic characteristics laboratory bench measuring device, including drive division, gear box, mid portion, loading part and data processing system, drive division and loading part pass through data processing system connection, mechanical transmission system transmission efficiency that movable drive division and data processing system's front and back linking function obtained, transmission error are closer to the true value, be favorable to improving the data reference accuracy who measures the acquisition, can guarantee that the product has higher qualification rate when using, improve the standard of inspection for developing new mechanical transmission system; loading different modes is implemented on the experiment table, so that loading dynamic characteristics in different modes are obtained, and the dynamic characteristics in the optimal loading mode are compared and analyzed, so that the transmission efficiency of the mechanical transmission system is improved, and transmission errors are reduced; meanwhile, a temperature sensor and a vibration sensor are arranged for detecting the temperature rise and vibration of the experiment table so as to realize the multifunction of the measuring device.
Description
Technical Field
The invention relates to the technical field of experimental measurement of a transmission system, in particular to a measurement device and a detection method of a dynamic characteristic experiment table of the transmission system.
Background
With the development of modern mechanical industry and the continuous improvement of scientific research technology, the performance of mechanical transmission products is more and more required, and the experimental and measurement levels are also required to be continuously improved. However, some precise transmission devices (such as RV reducers, harmonic reducers, etc.) often cannot reflect the current situation of the actual working condition in terms of testing transmission accuracy; in the prior art, the loading process of the device to be tested is not necessarily connected with the driving part, so that the reference value of the data obtained by measurement is not high, and the transmission efficiency, transmission error, vibration and temperature rise of a mechanical transmission system are detected with higher precision; however, the existing dynamic characteristic experiment table measuring device of the transmission device has single function and fixed structure, namely the dynamic characteristic experiment table measuring device and the detected transmission device are in one-to-one correspondence, and cannot be used for detecting the dynamic characteristics of other transmission devices, and the driving part and the loading part are not connected, so that the transmission efficiency of a mechanical transmission system is poor, the transmission error is large, and the measured data is inaccurate.
Disclosure of Invention
The technical problem solved by the invention is to provide a measuring device and a detecting method for a dynamic characteristic experiment table of a transmission system, so as to solve the defects in the background technology.
The technical problems solved by the invention are realized by adopting the following technical scheme:
the utility model provides a driving system dynamic characteristics laboratory bench measuring device, includes drive division, gear box, mid portion, loading part and data processing system, and specific structure is as follows:
in the driving part, the motor is fixed on a first supporting seat which is fixed on the sliding plate; the motor is connected with one end of a first coupler, the other end of the first coupler is connected with one end of a first torque sensor, the other end of the first torque sensor is connected with one end of a second coupler, the other end of the second coupler is connected with one end of a first experiment table input shaft, and the other end of the first experiment table input shaft penetrates through a first bearing seat and a first rotation angle sensor to be connected with one end of a third coupler; the first torque sensor is fixed on the second supporting seat, the second supporting seat is fixed on the sliding plate, the first bearing seat and the first rotation angle sensor are fixed on the third supporting seat, and the third supporting seat is fixed on the sliding plate; the base is provided with a longitudinal groove for nesting a longitudinal positioning slide block and a transverse groove for nesting a transverse positioning slide block, the sliding plate is arranged on the longitudinal groove and the transverse groove, and the longitudinal positioning slide block and the transverse positioning slide block are respectively embedded in the longitudinal groove and the transverse groove and are used for limiting the freedom degree of the sliding plate in the transverse direction and the longitudinal direction; the first torque sensor, the first rotation angle sensor and the motor are respectively connected with a driving controller, and the driving controller is connected with a data processing system; the motor is used for driving the gear system to rotate in a transmission mode, the first torque sensor and the first rotation angle sensor are used for acquiring input torque and input rotation speed data input to the gear system by the motor, and the driving controller is used for receiving feedback of the data processing system to the motor and is connected with the magnetic powder brake to be matched for use so as to provide loading in different forms;
in the gear box, the other end of the third coupler is connected with the input end of the gear box, and the gear box is fixed on the fourth supporting seat; the fourth supporting seat is fixed on the base;
the temperature sensor is arranged on the surface of the box body of the gear box and is used for recording the temperature value of the corresponding gear box when the motor drives the transmission system to rotate stably; the gear box is also provided with a vibration sensor for acquiring the vibration acceleration a of the gear box in the X, Y direction x And a y Vibration velocity v x And v y Vibration displacement x x And x y ；
In the loading part, one end of a fourth coupler is connected with the output end of the gear box, the other end of the fourth coupler is connected with one end of an output shaft of a second experiment table, the other end of the output shaft of the second experiment table passes through a second corner sensor, a second bearing seat is connected with one end of a fifth coupler, the other end of the fifth coupler is connected with one end of a second torque sensor, the other end of the second torque sensor is connected with one end of a sixth coupler, and the other end of the sixth coupler is connected with a magnetic powder brake; the second corner sensor is fixed on the fifth supporting seat, the second torque sensor is fixed on the sixth supporting seat, the magnetic powder brake is fixed on the seventh supporting seat, and the fifth supporting seat, the sixth supporting seat and the seventh supporting seat are respectively fixed on the base; the second rotation angle sensor and the second torque sensor are used for acquiring torque and rotation speed data output by the transmission system, and the magnetic powder brake is used for providing different forms of loading (such as constant acceleration, sine function, cosine function and step function) for the transmission system;
in the data processing system, a first torque sensor, a first rotation angle sensor, a temperature sensor, a vibration sensor, a second rotation angle sensor, a second torque sensor and a magnetic powder brake are respectively connected with the data processing system and used for carrying out data processing on various data of the first torque sensor, the first rotation angle sensor, the temperature sensor, the vibration sensor, the second rotation angle sensor and the second torque sensor, and simultaneously controlling the magnetic powder brake to provide different types of loading for a gear box.
In the present invention, a plurality of longitudinal grooves are provided on the base.
In the invention, the longitudinal groove for nesting the longitudinal positioning slide block is of a T-shaped structure.
In the invention, the transverse slot for nesting the transverse positioning slide block is of a T-shaped structure.
In the present invention, a slide clamping assembly is provided at one side of the slide, and the slide clamping assembly is fixed to the base to limit the degree of freedom of the slide in the vertical direction.
In the invention, the slide plate clamping assembly comprises a cushion block and a limiting block, wherein the cushion block is fixed on the base, and the limiting block is arranged on the cushion block.
In the invention, two vibration sensors are arranged on the gear box.
In the invention, the dynamic characteristic experiment table measuring device of the transmission system is used for detection, and the specific steps are as follows:
a) Starting a motor to drive a transmission system to rotate in a transmission mode;
b) In the transmission process of the step a), input torque and input rotation speed data input to a gear system by a motor are obtained through a first torque sensor and a first rotation angle sensor, torque and rotation speed data output by a transmission system are obtained through a second rotation angle sensor and a second torque sensor, corresponding temperature values T in an initial state and a stable state of the transmission system are obtained through a temperature sensor, and vibration acceleration a of the transmission system in the X, Y direction is obtained through a vibration sensor x And a y Vibration velocity v x And v y Vibration displacement x x And x y The method comprises the steps of carrying out a first treatment on the surface of the Simultaneously, loading different forms of transmission systems is provided through a magnetic powder brake;
c) Calculating transmission accuracy data of the transmission system by utilizing the input torque, the input rotating speed, the output torque and the output rotating speed obtained in the step b), wherein the transmission accuracy data comprises transmission efficiency and transmission error, the transmission efficiency is an important technical performance of mechanical transmission, and is one of important indexes for evaluating the performance quality of the mechanical transmission system, and the transmission efficiency of the transmission system is
d) Using the vibration acceleration a of the transmission system in the X direction obtained in step b) x Vibration velocity v x Vibration displacement x x Vibration acceleration a in the Y direction y Vibration velocity v y Vibration displacement x y Calculating vibration acceleration, vibration speed and vibration displacement of the transmission system;
e) Using the initial state temperature value T obtained in step b) 1 Steady state temperature value T 2 Calculating the temperature rise delta T of the transmission system;
f) The loading part is used for loading in different modes, so that the dynamic characteristics of the gear box are detected, the loading dynamic characteristics in different modes are obtained, the dynamic characteristics in the optimal loading mode are obtained through comparison analysis, and the testing standard is improved for developing a new mechanical transmission system.
In the invention, in the step b), the loading form provided by the magnetic powder brake to the transmission system comprises constant acceleration, sine function, cosine function and step function.
In the present invention, in step d),vibration acceleration
a x For acceleration of the drive train in the X direction, a y For acceleration of the drive train in the Y-direction, the vibration speed +.>
v x V, the speed of the transmission system in the X direction y For the speed of the transmission system in the Y direction, the vibration displacement +.>
x x For displacement of the transmission system in the X direction, X y Is the displacement of the drive train in the Y direction.
In the present invention, in step e), wen Sheng t=t 2 -T 1 ，T 2 For the corresponding temperature value when the transmission system is stable, T 1 The transmission system initial stable value.
The beneficial effects are that:
1. the driving part is of a movable structure, so that the tested experiment table can detect dynamic characteristics of the coaxial gear transmission box and the non-coaxial gear transmission box, and is used for measuring experiment tables of different types;
2. according to the invention, the driving part and the loading part are connected through the data processing system, and meanwhile, the transmission efficiency and transmission error of the mechanical transmission system obtained by the front-rear connection function of the movable driving part and the data processing system are more approximate to the true value, so that the accuracy of data reference obtained by measurement is improved, the higher qualification rate of products in use can be ensured, and the inspection standard is improved for developing a new mechanical transmission system;
3. according to the invention, loading in different modes is implemented on the experiment table, so that loading dynamic characteristics in different modes are obtained, and the dynamic characteristics in the optimal loading mode are compared and analyzed, thereby being beneficial to further improving the transmission efficiency of a mechanical transmission system and reducing transmission errors;
4. according to the invention, the temperature sensor is used for measuring the temperature rise of the gear box, so that the influence of the temperature rise on the dynamic characteristic measurement error of the transmission system can be detected; the vibration sensor measures the working state and vibration damping performance of the gear box, so that the working efficiency of the gear box is improved, and the multifunction of the measuring device is realized.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
Fig. 2 is a front view of a driving portion in a preferred embodiment of the present invention.
Fig. 3 is a top view of a driving portion in a preferred embodiment of the present invention.
Fig. 4 is a front view of the loading section in the preferred embodiment of the present invention.
Fig. 5 is a schematic diagram of a preferred embodiment of the present invention.
FIG. 6 is a schematic diagram of the middle part structure in the preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1 to 6, a dynamic characteristic experiment table measuring device of a transmission system comprises a driving part, a gear box, a middle part, a loading part and a data processing system; the specific structure is as follows:
the driving part comprises a motor 1, a first supporting seat 2, a first coupling 3, a sliding plate 4, a first torque sensor 5, a second supporting seat 6, a second coupling 7, a first bearing seat 8, a third supporting seat 9, a first experiment table input shaft 10, a first rotation angle sensor 11, a third coupling 12, a driving controller, a base 26, a longitudinal T-shaped groove 29, a longitudinal positioning sliding block 30, a sliding plate clamping assembly 31, a transverse positioning sliding block 32 and a transverse T-shaped groove 33, wherein the motor 1 is fixed on the first supporting seat 2 through a gasket and a nut, and the first supporting seat 2 is fixed on the sliding plate 4 through the gasket and the nut; the motor 1 is connected with one end of the first coupler 3, the other end of the first coupler 3 is connected with one end of the first torque sensor 5, the other end of the first torque sensor 5 is connected with one end of the second coupler 7, the other end of the second coupler 7 is connected with one end of the first experiment table input shaft 10, and the other end of the first experiment table input shaft 10 passes through the first bearing seat 8 and the first rotation angle sensor 11 to be connected with one end of the third coupler 12; simultaneously, the first torque sensor 5 is fixed on the second supporting seat 6 through a washer and a nut, the second supporting seat 6 is fixed on the sliding plate 4 through the washer and the nut, and the first bearing seat 8 is fixed on the third supporting seat 9 through the washer and the nut; the third supporting seat 9 is fixed on the sliding plate 4 through a gasket and a nut; the first rotation angle sensor 11 is fixed on the third supporting seat 9 through a gasket and a nut; the base 26 is provided with a longitudinal T-shaped groove 29 for nesting a longitudinal positioning slide block 30 and a transverse T-shaped groove 33 for nesting a transverse positioning slide block 32, the slide plate 4 is arranged on the longitudinal T-shaped groove 29 and the transverse T-shaped groove 33, the longitudinal positioning slide block 30 and the transverse positioning slide block 32 are respectively embedded in the longitudinal T-shaped groove 29 and the transverse T-shaped groove 33 for limiting the freedom degree of the slide plate 4 in the transverse and longitudinal directions, and the slide plate clamping assembly 31 is arranged above the edge of the slide plate 4 and is fixed on the base 26 through a gasket and a nut so as to limit the freedom degree of the slide plate 4 in the vertical direction; the first torque sensor 5, the first rotation angle sensor 11 and the motor 1 are respectively connected with a driving controller, and the driving controller is connected with a data processing system; the motor 1 is used for driving the gear system to rotate in a transmission mode, the first torque sensor 5 and the first rotation angle sensor 11 are used for acquiring input torque and input rotation speed data input to the gear system by the motor 1, and the driving controller is used for receiving feedback of the data processing system to the motor 1 and is matched with the magnetic powder brake 27 for use so as to provide loading in different forms; the driving part is of a movable structure, so that the tested experiment table can detect dynamic characteristics of the coaxial gear transmission and the non-coaxial gear transmission, and compared with the existing fixed and single experiment table, the utilization rate of the gear experiment table is greatly improved, the adaptability is high, and the universality is realized;
in the gear box, the other end of the third coupler 12 is connected with the input end of the gear box, and the gear box 16 is fixed on the fourth supporting seat 15 through a gasket and a nut; the fourth supporting seat 15 is fixed on the base 26 through a gasket and a nut;
in the middle part, the temperature sensor 13 has extremely strong adsorptivity, is directly arranged on the surface of a box body of the gear box 16 and is used for recording the temperature value of the corresponding gear box 16 when the motor 1 drives the transmission system to rotate stably, and the temperature sensor is used for measuring the temperature rise of the gear box 16 so as to reduce the influence of the temperature rise on the measurement error of the dynamic characteristics of the transmission system; the two vibration sensors 14 are fastened to the gear box 16 by means of fixing screws, each for detecting a vibration acceleration a of the gear box 16 in the direction X, Y x And a y Vibration velocity v x And v y Vibration displacement x x And x y The method comprises the steps of carrying out a first treatment on the surface of the The working state and vibration damping performance of the gear box 16 are measured, so that the working efficiency of the gear box 16 is improved, and the multifunction of the transmission device is realized;
the loading part comprises a fourth coupler 17, a second experiment table output shaft 18, a second rotation angle sensor 19, a fifth supporting seat 20, a second bearing seat 21, a fifth coupler 22, a second torque sensor 23, a sixth supporting seat 24, a sixth coupler 25, a base 26, a magnetic powder brake 27 and a seventh supporting seat 28, wherein one end of the fourth coupler 17 is connected with the output end of the gear box 16, the other end of the fourth coupler 17 is connected with one end of the second experiment table output shaft 18, the other end of the second experiment table output shaft 18 passes through the second rotation angle sensor 19, the second bearing seat 21 is connected with one end of the fifth coupler 22, the other end of the fifth coupler 22 is connected with one end of the second torque sensor 23, the other end of the second torque sensor 23 is connected with one end of the sixth coupler 25, and the other end of the sixth coupler 25 is connected with the magnetic powder brake 27; the second rotation angle sensor 19 is fixed on the fifth support seat 20 through a washer and a nut, the second torque sensor 23 is fixed on the sixth support seat 24 through a washer and a nut, the magnetic powder brake 27 is fixed on the seventh support seat 28 through a washer and a nut, and the fifth support seat 20, the sixth support seat 24 and the seventh support seat 28 are respectively fixed on the base 26 through a washer and a nut; the second rotation angle sensor 19 and the second torque sensor 23 are used for acquiring torque and rotation speed data output by the transmission system, and the magnetic powder brake 27 is used for providing different forms of loading (such as constant acceleration, sine function, cosine function and step function) for the transmission system;
in the data processing system, a first torque sensor 5, a first rotation angle sensor 11, a temperature sensor 13, a vibration sensor 14, a second rotation angle sensor 19, a second torque sensor 23 and a magnetic powder brake 27 are respectively connected with the data processing system and used for processing various data of the first torque sensor 5, the first rotation angle sensor 11, the temperature sensor 13, the vibration sensor 14, the second rotation angle sensor 19 and the second torque sensor 23, and simultaneously controlling the magnetic powder brake 27 to provide different forms of loading for a gear transmission 16.
In this embodiment, the detection is performed by using the driving system dynamic characteristic experiment table measuring device, and the specific steps are as follows:
a) Starting the motor 1 to drive the transmission system to rotate in a transmission mode;
b) In the transmission process of the step a), input torque and input rotation speed data input to the gear system by the motor 1 are acquired through the first torque sensor 5 and the first rotation angle sensor 11, torque and rotation speed data output by the transmission system are acquired through the second rotation angle sensor 19 and the second torque sensor 23, corresponding temperature values T in the initial state and the steady state of the transmission system are acquired through the temperature sensor 13, and vibration acceleration a of the transmission system in the X, Y direction is acquired through the vibration sensor 14 x And a y Vibration velocity v x And v y Vibration displacement x x And x y The method comprises the steps of carrying out a first treatment on the surface of the Simultaneously, the magnetic powder brake 27 is used for providing different forms of loading for the transmission system;
c) Calculating transmission accuracy data of the transmission system by utilizing the input torque, the input rotating speed, the output torque and the output rotating speed obtained in the step b), wherein the transmission accuracy data comprises transmission efficiency and transmission error, the transmission efficiency is an important technical performance of mechanical transmission, and is one of important indexes for evaluating the performance quality of the mechanical transmission system, and the transmission efficiency of the transmission system is
d) Using the vibration acceleration a obtained in step b) x And a y Vibration velocity v x And v y Vibration displacement x x And x y Calculating vibration acceleration, vibration speed and vibration displacement of the transmission system;
e) Using the initial state temperature value T obtained in step b) 1 Steady state temperature value T 2 Calculating the temperature rise delta T of the transmission system;
f) By applying different modes of loading, the dynamic characteristics of the gear box 16 are detected, and further the loading dynamic characteristics in different modes are obtained, and the dynamic characteristics in the optimal loading mode are obtained through comparison analysis, so that the testing standard is improved for developing a new mechanical transmission system.
In this embodiment, in step b), the loading provided by the magnetic particle brake 27 to the drive system comprises constant acceleration, sine function, cosine function, step function.
In this embodiment, in step d), the vibration acceleration
a x For acceleration of the drive train in the X direction, a y For acceleration of the drive train in the Y-direction, the vibration speed +.>
v x V, the speed of the transmission system in the X direction y For the speed of the transmission system in the Y direction, the vibration displacement +.>
x x For displacement of the transmission system in the X direction, X y Is the displacement of the drive train in the Y direction.
In this embodiment, in step e), wen Sheng t=t 2 -T 1 ，T 2 For the corresponding temperature value when the transmission system is stable, T 1 The transmission system initial stable value.
Claims (8)
1. The utility model provides a transmission system dynamic characteristics laboratory bench measuring device, includes drive division, gear box, mid portion, loading part and data processing system, its characterized in that, specific structure is as follows:
in the driving part, the motor is fixed on a first supporting seat which is fixed on the sliding plate; the motor is connected with one end of a first coupler, the other end of the first coupler is connected with one end of a first torque sensor, the other end of the first torque sensor is connected with one end of a second coupler, the other end of the second coupler is connected with one end of a first experiment table input shaft, and the other end of the first experiment table input shaft penetrates through a first bearing seat and a first rotation angle sensor to be connected with one end of a third coupler; the first torque sensor is fixed on the second supporting seat, the second supporting seat is fixed on the sliding plate, the first bearing seat and the first rotation angle sensor are fixed on the third supporting seat, and the third supporting seat is fixed on the sliding plate; the base is provided with a longitudinal groove for nesting a longitudinal positioning sliding block and a transverse groove for nesting a transverse positioning sliding block, and the sliding plate is arranged on the longitudinal groove and the transverse groove; the first torque sensor, the first rotation angle sensor and the motor are respectively connected with a driving controller, and the driving controller is connected with a data processing system; the driving controller is used for receiving feedback of the data processing system to the motor and is connected with the magnetic powder brake to be matched with the magnetic powder brake for use so as to provide loading in different forms; a slide plate clamping assembly is arranged on one side of the slide plate and comprises a cushion block and a limiting block, the cushion block is fixed on the base, and the limiting block is arranged on the cushion block;
in the gear box, the other end of the third coupler is connected with the input end of the gear box, and the gear box is fixed on the fourth supporting seat; the fourth supporting seat is fixed on the base;
in the middle part, a temperature sensor is arranged on the surface of a box body of the gear box, and a vibration sensor is also arranged on the gear box;
in the loading part, one end of a fourth coupler is connected with the output end of the gear box, the other end of the fourth coupler is connected with one end of an output shaft of a second experiment table, the other end of the output shaft of the second experiment table passes through a second corner sensor, a second bearing seat is connected with one end of a fifth coupler, the other end of the fifth coupler is connected with one end of a second torque sensor, the other end of the second torque sensor is connected with one end of a sixth coupler, and the other end of the sixth coupler is connected with a magnetic powder brake; the second corner sensor is fixed on the fifth supporting seat, the second torque sensor is fixed on the sixth supporting seat, the magnetic powder brake is fixed on the seventh supporting seat, and the fifth supporting seat, the sixth supporting seat and the seventh supporting seat are respectively fixed on the base;
in the data processing system, a first torque sensor, a first rotation angle sensor, a temperature sensor, a vibration sensor, a second rotation angle sensor, a second torque sensor and a magnetic powder brake are respectively connected with the data processing system.
2. A drive train dynamic characteristics laboratory bench measurement device according to claim 1, wherein the base is provided with a plurality of longitudinal grooves.
3. A drive train dynamics experiment table measuring apparatus according to claim 1, wherein the longitudinal slot for nesting the longitudinal positioning slide is of T-shaped configuration.
4. A drive train dynamics experiment table measurement apparatus according to claim 1, wherein the transverse slot for nesting the transverse positioning slide is of T-shaped configuration.
5. A transmission system dynamics laboratory bench measurement apparatus according to claim 1, wherein two vibration sensors are provided on the gear box.
6. A detection method using the transmission system dynamic property experiment table measuring device according to any one of claims 1 to 5, characterized in that the transmission system dynamic property experiment table measuring device is used for detection, and the specific steps are as follows:
a) Starting a motor to drive a transmission system to rotate in a transmission mode;
b) In the transmission process of the step a), input torque and input rotation speed data input to a gear system by a motor are obtained through a first torque sensor and a first rotation angle sensor, torque and rotation speed data output by a transmission system are obtained through a second rotation angle sensor and a second torque sensor, corresponding temperature values T in an initial state and a stable state of the transmission system are obtained through a temperature sensor, and vibration acceleration a of the transmission system in the X, Y direction is obtained through a vibration sensor x And a y Vibration velocity v x And v y Vibration displacement x x And x y The method comprises the steps of carrying out a first treatment on the surface of the Simultaneously, loading different forms of transmission systems is provided through a magnetic powder brake;
c) Calculating transmission accuracy data of the transmission system by using the input torque, the input rotating speed, the output torque and the output rotating speed obtained in the step b), wherein the transmission accuracy data comprises transmission efficiency and transmission error, and the transmission efficiency of the transmission system is as follows
d) Using the vibration acceleration a of the transmission system in the X direction obtained in step b) x Vibration velocity v x Vibration displacement x x Vibration acceleration a in the Y direction y Vibration velocity v y Vibration displacement x y Calculating vibration acceleration, vibration speed and vibration displacement of the transmission system;
e) Using the initial state temperature value T obtained in step b) 1 Steady state temperature value T 2 Calculating the temperature rise delta T of the transmission system;
f) The loading part is used for loading in different modes, so that the dynamic characteristics of the gear box are detected, the loading dynamic characteristics in different modes are obtained, the dynamic characteristics in the optimal loading mode are obtained through comparison analysis, and the testing standard is improved for developing a new mechanical transmission system.
7. A method according to claim 6, wherein in step b) the loading provided by the magnetic particle brake to the transmission system comprises constant acceleration, sine function, cosine function, step function.
8. A method according to claim 6, wherein in step d), the vibration acceleration is measured by a drive train dynamic property bench measuring device according to any one of claims 1 to 5
a x For acceleration of the drive train in the X direction, a y For acceleration of the drive train in the Y-direction, the vibration speed +.>
v x V, the speed of the transmission system in the X direction y For speed of the transmission system in the Y direction, the displacement is oscillating
x x For displacement of the transmission system in the X direction, X y Is the displacement of the drive train in the Y direction.
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| CN108760291B (en) * | 2018-04-11 | 2020-09-22 | 重庆理工大学 | Method for testing and measuring high-speed dynamic transmission error of transmission |
| CN110441052A (en) * | 2019-07-23 | 2019-11-12 | 清远敏实汽车零部件有限公司 | A kind of RV speed reducer comprehensive performance parameter test special plane |
| CN110823562B (en) | 2019-10-12 | 2020-07-28 | 重庆大学 | Experiment system and method capable of simulating gear transmission non-inertial system environment |
| CN115060488B (en) * | 2022-08-04 | 2022-11-18 | 苏州开密科智能装备科技有限公司 | Gearbox vibration detection equipment for equipment operation |
| CN115615720B (en) * | 2022-12-16 | 2023-04-18 | 中安芯界控股集团有限公司 | Power assembly test system for new energy automobile |
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