CN113008554B - Impact durability test method for new energy reducer - Google Patents
Impact durability test method for new energy reducer Download PDFInfo
- Publication number
- CN113008554B CN113008554B CN202110449766.8A CN202110449766A CN113008554B CN 113008554 B CN113008554 B CN 113008554B CN 202110449766 A CN202110449766 A CN 202110449766A CN 113008554 B CN113008554 B CN 113008554B
- Authority
- CN
- China
- Prior art keywords
- reducer
- computer
- tested
- braking
- speed reducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 120
- 238000010998 test method Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000013480 data collection Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention discloses a new energy decelerator impact endurance test method, which comprises the steps of controlling a driving motor to start by a computer, and controlling the decelerator to rotate by an electromagnetic clutch; the computer acquires an input and output rotating speed and torque signal obtained by the rotating speed and torque sensor in real time through the data acquisition system, judges whether the rotating speed reaches a set rotating speed or not according to the acquired rotating speed, separates the electromagnetic clutch and stops driving the motor to work if the rotating speed reaches the set rotating speed, and then starts the brake to perform braking simulation; and repeating the steps until the specified test times or the gear fails, and ending the test. The computer records and displays the collected related rotating speed data and torque data in real time. The method can simulate experimental working conditions such as starting and braking of the speed reducer and accurately measure the impact durability of the gear of the speed reducer under the experimental working conditions, so that the impact durability experimental data under different working conditions can be obtained quickly, accurately and at low cost.
Description
Technical Field
The invention relates to performance test measurement of a speed reducer in a transmission system of a new energy automobile, in particular to an impact durability test method of the speed reducer of the new energy automobile, and belongs to the technical field of automobile tests.
Background
In the face of the wave of the high-speed development, the electric and the intelligent of the automobile industry, the development of new energy automobiles is expected. The speed reducer is used as an important component of the new energy automobile, and compared with the traditional fuel automobile, the new energy speed reducer has the characteristics of high rotating speed and medium torque. The speed reducer on the new energy automobile runs through the gear, and most of the speed reducer is reduced by only one transmission ratio, so that great torque is generated when the electric car starts or brakes, the whole car is impacted, impact endurance tests are often required to be carried out on the newly developed new energy speed reducer to evaluate the reliability of the new energy speed reducer, the weak part of the new energy speed reducer is found, the early failure of the new energy speed reducer is exposed, the design is changed in time, and the development risk is reduced.
At present, a whole vehicle working condition test method is mainly adopted for testing the new energy reducer, test conditions are limited by the development progress of the whole vehicle, test data repeatability and reliability are poor, and test timeliness is poor. Therefore, how to simulate the impact durability of the speed reducer of the new energy automobile on the bench under the whole automobile working condition is expected to become a new path for solving the defect of the whole automobile test, but no relevant report exists at home and abroad at present. Therefore, it is needed to design a new energy reducer impact endurance test measurement method, which can accurately simulate the reducer impact endurance test under the whole vehicle test working condition of the new energy automobile, and has important significance for shortening the development period of the reducer.
Disclosure of Invention
Aiming at the defect that the prior art adopts a whole vehicle test to detect the impact durability of the new energy reducer, the invention aims to provide the impact durability test method of the new energy reducer, which can flexibly and conveniently simulate the test working conditions of starting, braking and the like of the reducer and accurately measure the impact durability of the reducer gear under the test working conditions, thereby rapidly, accurately and cheaply acquiring the impact durability test data under different working conditions and providing data support for the test research of the impact durability of the new energy reducer.
The technical scheme of the invention is realized as follows:
a new energy decelerator impact endurance test method comprises the following steps,
1) Firstly, constructing a new energy reducer impact endurance test device, wherein the new energy reducer impact endurance test device comprises a base, and a reducer mounting base frame is arranged on the base and is used for mounting a reducer to be tested; the base is provided with a driving motor, the output end of the driving motor is connected with the input end of the speed reducer to be tested sequentially through an electromagnetic clutch, an inertia flywheel box, an input torque rotating speed sensor and an input transmission shaft, and the driving motor simulates the starting working condition of the vehicle and transmits starting impact to the speed reducer to be tested through the input transmission shaft;
the base is also provided with a braking device, the output end of the speed reducer to be tested is connected with the braking device through an output transmission shaft and an output torque and rotation speed sensor in sequence, and the braking device simulates a braking working condition and transmits braking impact to the speed reducer to be tested through the output transmission shaft; the position relation between the reducer mounting base frame and the driving motor and the brake device meets the following requirements: after the speed reducer to be tested is mounted on the speed reducer mounting base frame, the spatial position relation between the speed reducer to be tested and the driving motor and the braking device corresponds to the spatial position relation on the real vehicle;
the output ends of the braking device, the input torque rotating speed sensor, the output torque rotating speed sensor and the electromagnetic clutch are connected with a data acquisition system, the data acquisition system outputs acquired data to a computer, and the computer displays and records related data; the computer is connected with the driving motor through the motor controller to control the driving motor to work in a required state; the computer is connected with the braking device and the electromagnetic clutch at the same time so as to control the braking device and the electromagnetic clutch to work in a required state;
2) The installation of the reducer to be tested: fixedly mounting a speed reducer to be tested on a speed reducer mounting base frame, connecting an input end of the speed reducer to be tested with an input transmission shaft, and connecting an output end of the speed reducer to be tested with an output transmission shaft;
3) The computer controls the combination of the electromagnetic clutch, and starts a driving motor through a motor controller, and the driving motor drives an input shaft of the speed reducer to be tested to rotate; the computer collects the rotational speed data obtained by the input torque rotational speed sensor through the data collection system, and when the rotational speed collected by the computer reaches the set rotational speed, the computer controls the electromagnetic clutch to separate and stops driving the motor to work through the motor controller;
4) The computer starts a braking device to brake, and the braking can lead the transmission gears in the reducer to be tested to generate gear impact; the computer acquires a rotating speed signal obtained by the output torque rotating speed sensor in real time through the data acquisition system to judge whether braking is finished or not;
5) In the step 4), if the rotation speed value acquired by the computer is smaller than the set rotation speed, the computer indicates that the braking is completed, and the computer stops the braking of the braking device; if the rotation speed value acquired by the computer is larger than the set rotation speed, the braking is not completed, and the braking is continued until the braking is completed;
6) The computer automatically repeats the test process of the steps 3) to 5), and automatically accumulates and records the test times until the specified test times or the failure of the gear are completed, and the test is ended; in the test process, the computer records and displays the collected related rotation speed data and torque data in real time.
The driving motor is rigidly fixed on the base through the motor base, the driving motor is fixed on the motor base, and the motor base is rigidly fixed on the base.
The left output shaft hole of the speed reducer to be tested is connected with a left braking device through a left output transmission shaft and a left output torque and rotation speed sensor in sequence; the right output shaft hole of the reducer to be tested is connected with the right braking device through the right output transmission shaft and the right output torque and rotation speed sensor in sequence.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the test working conditions are flexibly set through the computer, so that different test working conditions of the new energy automobile can be conveniently simulated, and the impact durability test data under different working conditions can be rapidly, accurately and at low cost.
2. According to the invention, the working teeth of the transmission gear of the speed reducer are randomly selected by utilizing the electromagnetic clutch and the braking device, so that the working strength of each tooth of the transmission gear of the speed reducer is more similar to the working condition of a real vehicle, and the accuracy and the reliability of the impact endurance test result of the speed reducer are ensured.
3. The invention has simple realization and reliable working principle, and can realize the whole-course automatic control of the computer in the test process.
4. The invention can simultaneously measure the rotation speed and the torque of the input transmission shaft and the output transmission shaft, and can obtain the change rule of the torque of the speed reducer on the transmission shafts under various working conditions through simple conversion, thereby providing test basis for the design of the new energy speed reducer.
Drawings
FIG. 1 is a control flow chart of the impact durability test method of the new energy reducer.
Fig. 2 is a schematic diagram of the impact endurance test measurement control of the new energy reducer of the invention.
FIG. 3 is a schematic diagram of a new energy reducer impact durability test measurement device according to the present invention.
In the figure: 1-a base; 2-a driving motor; 3-an electromagnetic clutch; 4-an inertial flywheel box; 5-an input torque and rotation speed sensor; 6-an input transmission shaft; 7-a reducer mounting base frame; 8-a speed reducer to be tested; 9-left output drive shaft; 10-a left side output torque rotation speed sensor; 11-left side brake device; 12, a data acquisition system; 13-a right side output torque rotation speed sensor; 14-left output drive shaft; 15-right side brake device; 16-a computer; 17-motor controller.
Description of the embodiments
The invention will be described in detail below with reference to the drawings and the detailed description.
Since the impact durability test method of the new energy reducer is performed based on the corresponding test device, the test device is described first. The structure of the impact endurance test device for the new energy reducer is shown as fig. 3, and the impact endurance test device comprises a base 1, wherein a reducer mounting base frame 7 is rigidly fixed on the base 1 through bolts, and the reducer mounting base frame 7 is used for mounting a reducer 8 to be tested. The base 1 is provided with a driving motor 2, the driving motor 2 is rigidly fixed on the base 1 through a motor base, the driving motor 2 is fixed on the motor base, and the motor base is rigidly fixed on the base 1. The output shaft of the driving motor 2 is connected with one end extension shaft of the electromagnetic clutch 3 through a coupler, the other end extension shaft of the electromagnetic clutch 3 is connected with one end extension shaft of the inertia flywheel box 4 through a coupler, the other end extension shaft of the inertia flywheel box 4 is connected with one end extension shaft of the input torque rotating speed sensor 5 through a coupler, the other end extension shaft of the input torque rotating speed sensor 5 is connected with one end of the input transmission shaft 6 through a coupler, and the other end of the input transmission shaft 6 is rigidly connected with an input half shaft hole of the speed reducer 8 to be tested through spline teeth, so that the driving motor 2 simulates the starting working condition of a vehicle and transmits starting impact to the speed reducer 8 to be tested through the input transmission shaft 6. The input torque and rotation speed sensor 5 directly measures the rotation speed and torque of the input transmission shaft of the speed reducer 8 to be tested, the inertia flywheel box 4 is used for ensuring the rotation speed and torque of the input transmission shaft 6 to be as uniform as possible, and the electromagnetic clutch 3 is a speed regulating device and controls the engagement and disengagement of the clutch by means of the on-off of a coil.
The base 1 is formed by processing metal iron and is installed on the ground in the form of a foundation. The stability of the base is ensured by processing the metal iron, and each part is firm, reliable and free from vibration after being installed on the base, and the cost is not too high; meanwhile, the base is installed in a foundation form and is almost flush with the ground, so that installation and subsequent detection of each component are facilitated.
The base is also provided with a braking device, and the output end of the speed reducer to be tested is connected with the braking device through the output transmission shaft and the output torque and rotation speed sensor in sequence, so that the braking condition is simulated by the braking device and the braking impact is transmitted to the speed reducer to be tested through the output transmission shaft.
Since the left and right sides of the speed reducer 8 to be measured are respectively provided with an output shaft hole, the output transmission shaft, the output torque rotation speed sensor and the braking device respectively comprise left and right output transmission shafts 9 and 14, left and right output torque rotation speed sensors 10 and 13 and left and right braking devices 11 and 15. Specifically, the left output shaft hole of the reducer to be tested is connected with a left braking device 11 through a left output transmission shaft 9 and a left output torque and rotation speed sensor 10 in sequence; the right output shaft hole of the reducer to be tested is connected with a right braking device 15 through a right output transmission shaft 14 and a right output torque and rotation speed sensor 13 in sequence. The left and right output torque rotation speed sensors 10, 13 directly measure rotation speed and torque of the left and right output transmission shafts 9, 14 of the speed reducer 8 to be measured.
The output ends on two sides of the new energy reducer are arranged completely identically, namely, the output on the left and right sides of the reducer comprises a left and right output transmission shaft, a left and right output torque rotation speed sensor and a left and right braking device which are symmetrically positioned on the left and right sides of the reducer to be tested. The above components with two outputs arranged are thus identical.
The positional relationship between the speed reducer mounting pedestal 7 and the driving motor 2, the electromagnetic clutch 3, and the left and right braking devices 11, 15 satisfies the following requirements: after the to-be-tested speed reducer 8 is mounted on the speed reducer mounting base frame 7, the spatial position relationship between the to-be-tested speed reducer 8 and the driving motor 2, the electromagnetic clutch 3 and the left and right braking devices 11 and 15 corresponds to the spatial position relationship on the real vehicle, namely, the left and right braking devices, the electromagnetic clutch and the driving motor are mounted and fixed on the base of the test device according to the spatial position relationship between the left and right braking devices, the electromagnetic clutch and the driving motor on the real vehicle and the to-be-tested speed reducer, and the adjustment position is fixed after reaching the test requirement.
The left and right braking devices 11, 15, the input torque and rotation speed sensor 5, the left and right output torque and rotation speed sensors 10, 13 and the output end of the electromagnetic clutch 3 are connected with the data acquisition system 12, the data acquisition system 12 outputs the acquired data to the computer 16, and the computer 16 displays and records the related data. The computer 16 is connected with the driving motor 2 through a motor controller 17 to control the driving motor 2 to work in a required state; the computer 16 is connected to both the left and right braking devices 11, 15 and the electromagnetic clutch 3 to control the left and right braking devices and the electromagnetic clutch to operate in a desired state.
The new energy reducer impact durability test method comprises the following steps, and meanwhile, the test control flow schematic diagram shown in fig. 1 can be referred to.
1) Firstly, the new energy source speed reducer impact endurance test device is constructed, and corresponding input rotating speed and torque sensor 5, left output torque and rotating speed sensor 10, right output torque and rotating speed sensor 13, left braking device 11, right braking device 15 and data acquisition system 12 are selected according to working parameters of the speed reducer 8 to be tested.
2) The installation of the reducer to be tested: the speed reducer 8 to be measured is fixedly arranged on the speed reducer mounting base frame 7, the input end of the speed reducer 8 to be measured is rigidly connected with the input transmission shaft 6 through spline teeth, and the left and right output ends are rigidly connected with the left and right output transmission shafts 9 and 14 through spline teeth;
3) After the speed reducer to be tested is installed, the electromagnetic clutch 3 can be controlled to be combined through the computer 16, the driving motor 2 is started through the motor controller 17, and the driving motor 2 drives the input shaft of the speed reducer 8 to be tested to rotate; the computer 16 collects the rotational speed data obtained by the input torque rotational speed sensor 5 through the data collection system 12, and when the rotational speed collected by the computer reaches the set rotational speed, the computer 16 controls the electromagnetic clutch 3 to separate and stops driving the motor 2 to work through the motor controller 17;
4) The computer 16 starts the left and right braking devices 11 and 15 to brake, and the braking can lead the transmission gears in the reducer 8 to be tested to generate gear impact; the computer 16 acquires the rotation speed signals obtained by the left and right side output torque rotation speed sensors 10 and 13 through the data acquisition system 12 in real time to judge whether braking is finished;
5) In step 4), if the rotation speed value acquired by the computer 16 is smaller than the set rotation speed, the braking is completed, and the computer 16 stops braking of the left and right braking devices 11 and 15; if the rotation speed value acquired by the computer is larger than the set rotation speed, the braking is not completed, and the braking is continued until the braking is completed;
6) And 3) automatically repeating the test processes in the steps 3) to 5) by a computer, and automatically accumulating and recording the test times until the specified test times or the failure of the gear are completed, and ending the test.
In the whole test process, the data acquisition system 12 is utilized to continuously acquire torque and rotation speed signals of the half shaft of the speed reducer 8 to be tested in real time, and the torque and rotation speed signals are transmitted into the computer 16 in real time to be stored, processed and displayed in real time, so that the computer 16 is ensured to obtain the torque and rotation speed of the half shaft of the speed reducer 8 to be tested in real time, and the test measurement control principle is shown in figure 2.
The impact endurance test data of the new energy automobile speed reducer obtained by the test measurement method is accurate and reliable, the change rule of the torque rotating speed in the impact endurance test process of the new energy automobile speed reducer can be recorded in the whole process, and the measurement result has important significance in optimizing the design of the new energy speed reducer.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the applicant has described the present invention in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (4)
1. A new energy reducer impact endurance test method is characterized in that: the steps are as follows,
1) Firstly, constructing a new energy reducer impact endurance test device, wherein the new energy reducer impact endurance test device comprises a base, and a reducer mounting base frame is arranged on the base and is used for mounting a reducer to be tested; the base is provided with a driving motor, the output end of the driving motor is connected with the input end of the speed reducer to be tested sequentially through an electromagnetic clutch, an inertia flywheel box, an input torque rotating speed sensor and an input transmission shaft, and the driving motor simulates the starting working condition of the vehicle and transmits starting impact to the speed reducer to be tested through the input transmission shaft;
the base is also provided with a braking device, the output end of the speed reducer to be tested is connected with the braking device through an output transmission shaft and an output torque and rotation speed sensor in sequence, and the braking device simulates a braking working condition and transmits braking impact to the speed reducer to be tested through the output transmission shaft; the position relation between the reducer mounting base frame and the driving motor and the brake device meets the following requirements: after the speed reducer to be tested is mounted on the speed reducer mounting base frame, the spatial position relation between the speed reducer to be tested and the driving motor and the braking device corresponds to the spatial position relation on the real vehicle;
the output ends of the braking device, the input torque rotating speed sensor, the output torque rotating speed sensor and the electromagnetic clutch are connected with a data acquisition system, the data acquisition system outputs acquired data to a computer, and the computer displays and records related data; the computer is connected with the driving motor through the motor controller to control the driving motor to work in a required state; the computer is connected with the braking device and the electromagnetic clutch at the same time so as to control the braking device and the electromagnetic clutch to work in a required state;
2) The installation of the reducer to be tested: fixedly mounting a speed reducer to be tested on a speed reducer mounting base frame, connecting an input end of the speed reducer to be tested with an input transmission shaft, and connecting an output end of the speed reducer to be tested with an output transmission shaft;
3) The computer controls the combination of the electromagnetic clutch, and starts a driving motor through a motor controller, and the driving motor drives an input shaft of the speed reducer to be tested to rotate; the computer collects the rotational speed data obtained by the input torque rotational speed sensor through the data collection system, and when the rotational speed collected by the computer reaches the set rotational speed, the computer controls the electromagnetic clutch to separate and stops driving the motor to work through the motor controller;
4) The computer starts a braking device to brake, and the braking can lead the transmission gears in the reducer to be tested to generate gear impact; the computer acquires a rotating speed signal obtained by the output torque rotating speed sensor in real time through the data acquisition system to judge whether braking is finished or not;
5) In the step 4), if the rotation speed value acquired by the computer is smaller than the set rotation speed, the computer indicates that the braking is completed, and the computer stops the braking of the braking device; if the rotation speed value acquired by the computer is larger than the set rotation speed, the braking is not completed, and the braking is continued until the braking is completed;
6) The computer automatically repeats the test process of the steps 3) to 5), and automatically accumulates and records the test times until the specified test times or the failure of the gear are completed, and the test is ended; in the test process, the computer records and displays the collected related rotation speed data and torque data in real time;
according to the method, the electromagnetic clutch and the braking device are utilized to realize the randomness of the selection of the working teeth of the transmission gear of the speed reducer, so that the working strength of each tooth of the transmission gear of the speed reducer is more similar to the working condition of a real vehicle; the method simultaneously measures the rotation speed and the torque of the input transmission shaft and the output transmission shaft, and obtains the change rule of the torque of the speed reducer on the transmission shaft under various working conditions through conversion.
2. The impact durability test method for a new energy reducer according to claim 1, wherein the method comprises the following steps: the base is formed by processing metal iron and is installed on the ground in the form of a foundation.
3. The impact durability test method for a new energy reducer according to claim 1, wherein the method comprises the following steps: the driving motor is rigidly fixed on the base through the motor base, the driving motor is fixed on the motor base, and the motor base is rigidly fixed on the base.
4. The impact durability test method for a new energy reducer according to claim 1, wherein the method comprises the following steps: the left output shaft hole of the speed reducer to be tested is connected with a left braking device through a left output transmission shaft and a left output torque and rotation speed sensor in sequence; the right output shaft hole of the reducer to be tested is connected with the right braking device through the right output transmission shaft and the right output torque and rotation speed sensor in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110449766.8A CN113008554B (en) | 2021-04-25 | 2021-04-25 | Impact durability test method for new energy reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110449766.8A CN113008554B (en) | 2021-04-25 | 2021-04-25 | Impact durability test method for new energy reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113008554A CN113008554A (en) | 2021-06-22 |
| CN113008554B true CN113008554B (en) | 2023-11-21 |
Family
ID=76389263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110449766.8A Active CN113008554B (en) | 2021-04-25 | 2021-04-25 | Impact durability test method for new energy reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113008554B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248371A (en) * | 2016-07-15 | 2016-12-21 | 芜湖赛宝信息产业技术研究院有限公司 | A kind of wide range harmonic wave speed reducing machine test platform |
| CN109827770A (en) * | 2019-03-20 | 2019-05-31 | 重庆理工大学 | One kind being suitable for automobile gearbox gear shock loading test device and method |
| CN109900474A (en) * | 2019-03-18 | 2019-06-18 | 中国重汽集团大同齿轮有限公司 | A kind of AMT speed changer off-line test platform and its control method |
| CN110907199A (en) * | 2019-12-31 | 2020-03-24 | 一汽解放汽车有限公司 | Impact durability test bed and bench test method for differential lock between wheels of drive axle |
| CN112393869A (en) * | 2020-04-20 | 2021-02-23 | 襄阳达安汽车检测中心有限公司 | Impact test device and method for passenger vehicle gearbox |
-
2021
- 2021-04-25 CN CN202110449766.8A patent/CN113008554B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248371A (en) * | 2016-07-15 | 2016-12-21 | 芜湖赛宝信息产业技术研究院有限公司 | A kind of wide range harmonic wave speed reducing machine test platform |
| CN109900474A (en) * | 2019-03-18 | 2019-06-18 | 中国重汽集团大同齿轮有限公司 | A kind of AMT speed changer off-line test platform and its control method |
| CN109827770A (en) * | 2019-03-20 | 2019-05-31 | 重庆理工大学 | One kind being suitable for automobile gearbox gear shock loading test device and method |
| CN110907199A (en) * | 2019-12-31 | 2020-03-24 | 一汽解放汽车有限公司 | Impact durability test bed and bench test method for differential lock between wheels of drive axle |
| CN112393869A (en) * | 2020-04-20 | 2021-02-23 | 襄阳达安汽车检测中心有限公司 | Impact test device and method for passenger vehicle gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113008554A (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109827770B (en) | Device and method suitable for testing impact load of automobile gearbox gear | |
| CN103308325B (en) | Drive system of electric automobile semi-physical emulation platform | |
| CN111380698B (en) | Be used for new energy automobile to drive power assembly to dragging test bench structure | |
| CN105527099A (en) | Hand-operated gearbox gearshift performance testing arrangement | |
| CN104266839A (en) | Vehicular gearbox test stand capable of simulating working conditions of road | |
| CN104697792A (en) | Fatigue endurance test measuring method for automobile automatic gearbox P-gear parking mechanism | |
| CN203772540U (en) | Performance testing stand of gearbox synchronizer | |
| CN106482948A (en) | Multi-functional electric transmission testing stand | |
| CN111175048B (en) | Engine performance benchmarking test system for automatic transmission vehicle and use method | |
| CN113008554B (en) | Impact durability test method for new energy reducer | |
| CN207976281U (en) | A kind of drive axle entirety driving error test measurement device | |
| CN108917912B (en) | Detection system for mechanical resonance of driver | |
| CN113008553B (en) | Impact endurance test device for new energy reducer | |
| CN113049248A (en) | Impact endurance test system and method for new energy reducer | |
| CN112304604A (en) | RV reducer's test device | |
| CN1272609C (en) | Device for testing electrical transmission in two routes of electric vehicle | |
| CN206974701U (en) | A kind of speed changer halting mechanism bench test device | |
| CN114659781B (en) | Bench test system and test method for retarder constant speed control | |
| CN104697790A (en) | Test measuring method for critical P-gear parking automobile speed of automobile automatic gearbox | |
| CN212391216U (en) | Diesel engine starting hydraulic motor test bench | |
| CN104697791A (en) | Fatigue endurance test measuring system of automobile automatic gearbox P-gear parking mechanism | |
| CN112781880B (en) | Starting jitter testing method for electric drive assembly | |
| CN104713725B (en) | A kind of automatic gearbox P keeps off the critical income speed testing ＆ measuring system of parking | |
| CN114609520A (en) | Dual-motor electric drive bridge durability test system and test method | |
| CN205002958U (en) | DCT automatic transmission multidimension road analogue means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |