CN104142244A - Clutch simulated condition test bed and test method - Google Patents
Clutch simulated condition test bed and test method Download PDFInfo
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- CN104142244A CN104142244A CN201410334664.1A CN201410334664A CN104142244A CN 104142244 A CN104142244 A CN 104142244A CN 201410334664 A CN201410334664 A CN 201410334664A CN 104142244 A CN104142244 A CN 104142244A
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Abstract
The invention discloses a clutch simulated condition test bed which comprises an adjustable-speed motor, an energy-storing flywheel, a first universal joint, a second universal joint, a spline shaft, an engine flywheel, a clutch assembly, a stepped motor, an adjustable flywheel, a magnetic powder brake, a first revolution speed transducer and a second revolution speed transducer. The test bed simulates real running conditions of an automobile, the revolution speed transducers are used for collecting revolution speeds which are input to and output from a clutch successively and inputting the collected data to a data collecting device, and the data collecting device calculates the damping effect of the clutch according to the fluctuation condition of the input and output revolution speeds. By means of the test bed, on one hand, the testing cycle can be effectively shortened and product improvement efficiency is improved, on the other hand, the defect that the automobile can be easily affected by a transmission system and other factors in the field test can be overcome, and a more precise clutch damping performance testing result is obtained.
Description
Technical field
The present invention relates to the field tests of auto parts and components, relate in particular to a kind of testing table that the effectiveness in vibration suppression of clutch coupling is tested and test method.
Background technology
After clutch coupling product design out, need to verify properties of product, traditional detection mode is only tested fatigue behaviour, almost there is no the apparatus and method of separately effectiveness in vibration suppression of clutch coupling product being tested, effectiveness in vibration suppression is all that entrucking tests to verify that by real vehicle whether the selection of clutch coupling rigidity and damping is reasonable afterwards.If design unreasonablely, need its parameter to modify, but real vehicle test period of this clutch coupling is oversize, affect the efficiency of product improvement, and by real vehicle, tests the impact that is easily subject to other factors such as power train, causes test result to occur deviation.
Summary of the invention
The impact of other factors on test effect while testing for fear of real vehicle, obtain simple clutch coupling damping property test result, the present invention proposes with clutch coupling simulated condition testing table and carry out the working condition of simulated clutch on car load, thereby obtain the technical scheme of more accurate damping property test result, it is a kind of clutch coupling simulated condition testing table, this testing table comprises buncher (1), accumulated energy flywheel (6), the first Hooke's joint (7), the second Hooke's joint (9), splined shaft (8), engine flywheel (10), clutch assembly (11), stepper motor (13), adjustable flywheel (14), magnetic powder brake (15), the first speed probe (16), the second speed probe (17),
Wherein the rotating speed of buncher (1) is adjustable, with the different rotating speeds of simulated engine; Accumulated energy flywheel (6) can make the rotating speed of buncher (1) output not be subject to the impact of load variations, makes rotating speed maintain a steady state value; The first Hooke's joint (7) connects the second Hooke's joint (9) by splined shaft (8), the second Hooke's joint (9) connecting engine flywheel (10), the angle of two universal joints can regulate, the effect of two universal joints is that the constant rotational speed of accumulated energy flywheel 6 outputs is changed into sinusoidal fluctuation rotating speed, the fluctuation of the rotating speed of simulated engine; The effect of stepper motor (13) is (11) separation of solenoidoperated cluthes assembly and combination, is equivalent to the operation of people's pedal; Clutch assembly (11) is connected with adjustable flywheel (14), and the effect of adjustable flywheel (14) is actual inertia and the load of simulated automotive, by the equivalent moment of inertia that regulates the size of Rotary Inertia of Flywheel to simulate different automobile types; Adjustable flywheel (14) connects magnetic powder brake (15), and the effect of magnetic powder brake (15) is simulation power train and road resistance square, thereby makes testing table simulate the real travel conditions of automobile, can play the anxious effect stopping of test simultaneously; The first speed probe (16) is positioned between the second Hooke's joint (9) and engine flywheel (10), for Gather and input, arrive clutch coupling rotating speed before, the second speed probe (17) is positioned between clutch assembly (11) and adjustable flywheel (14), for gathering the rotating speed of clutch coupling output, the first speed probe (16) and the second speed probe (17) are input to data acquisition equipment by the data of collection, thereby data acquisition equipment can access the fluctuation of speed situation of input and output, thereby calculate the effectiveness in vibration suppression of clutch coupling.
In addition, described testing table also comprises powder clutch (2), and the input end of powder clutch (2) connects the output terminal of buncher (1), and the output terminal of powder clutch (2) connects the input end of accumulated energy flywheel (6); The effect of powder clutch (2) is prevent torque overload and damage motor.
Described testing table also comprises the first belt pulley (3), the second belt pulley (5) and belt (4), the first belt pulley (3) is positioned at the output terminal of powder clutch (2), the first belt pulley (3) is connected with the second belt pulley (5) by belt (4), the second belt pulley (5) is positioned at the input end of accumulated energy flywheel (6), and the first belt pulley (3), the second belt pulley (5) and belt (4) collaborative work role are transmitting torque, prevent transmission overload, change transmission direction and save arrangement space.
Described testing table also comprises clutch linkage (12), and stepper motor (13) is by separation and the combination of clutch linkage (12) solenoidoperated cluthes assembly (11).
The invention allows for a kind of clutch coupling simulated condition test method, this test method is utilized foregoing testing table, comprises the steps:
Step 1, simulation steps, specifically comprise:
Regulate the rotating speed of buncher (1), with the different rotating speeds of simulated engine;
Accumulated energy flywheel (6) maintains a steady state value by the rotating speed of buncher (1) output;
The first Hooke's joint (7) and the second Hooke's joint (9) change into sinusoidal fluctuation rotating speed the constant rotational speed of accumulated energy flywheel 6 outputs, and the fluctuation of the rotating speed of simulated engine, then passes to clutch coupling by engine flywheel 10;
Utilize separation and the combination of stepper motor (13) solenoidoperated cluthes assembly (11);
Clutch assembly (11) connects adjustable flywheel (14), and actual inertia and the load of adjustable flywheel (14) simulated automotive, by the equivalent moment of inertia that regulates the size of Rotary Inertia of Flywheel to simulate different automobile types;
Adjustable flywheel (14) connects magnetic powder brake (15), magnetic powder brake (15) simulation power train and road resistance square, thus make testing table simulate the real travel conditions of automobile, can play the anxious effect stopping of test simultaneously;
Step 2, acquisition step, specifically comprise:
The first speed probe Gather and input is to clutch coupling rotating speed before;
The second speed probe gathers the rotating speed of clutch coupling output;
The first speed probe (16) and the second speed probe (17) are by the data input data acquisition equipment gathering;
Step 3, calculation procedure, specifically comprise:
Data acquisition equipment, according to the fluctuation of speed situation of the input and output that obtain, calculates the effectiveness in vibration suppression of clutch coupling.
In addition, in step 1, also utilize powder clutch (2), belt pulley (3) and (5) and belt (4) that the rotating speed of buncher (1) output is passed to accumulated energy flywheel (6), wherein the input end of powder clutch (2) connects the output terminal of buncher (1), the first belt pulley (3) is positioned at the output terminal of powder clutch (2), the first belt pulley (3) is connected with the second belt pulley (5) by belt (4), and the second belt pulley (5) is positioned at the input end of accumulated energy flywheel (6).
Particularly, in step 1, stepper motor (13) is by separation and the combination of clutch linkage (12) solenoidoperated cluthes assembly (11).
Particularly, in step 1, regulate the angle of the first Hooke's joint (7) and the second Hooke's joint (9), with simulated engine fluctuation of speed amplitude.
By the present invention, can effectively shorten test period on the one hand, improve the efficiency that product improves, in the time of can overcoming on the other hand real vehicle test, be easily subject to the shortcoming of the impact of other factors such as power train, obtain more accurate clutch coupling damping property test result.
Accompanying drawing explanation
Fig. 1 is according to clutch coupling simulated condition test platform structure schematic diagram of the present invention;
Fig. 2 is during according to clutch coupling simulated condition testing table of the present invention work, the constant rotational speed of buncher output and through the rotating speed schematic diagram that has sinusoidal fluctuation of output after Hooke's joint;
Fig. 3 is during according to clutch coupling simulated condition testing table of the present invention work, regulates the schematic diagram of the fluctuation amplitude before and after true joint angle;
Fig. 4 is during according to clutch coupling simulated condition testing table of the present invention work, through fluctuation of speed amplitude schematic diagram before and after clutch coupling vibration damping.
Embodiment
Below, with detailed reference to the preferred embodiment of accompanying drawing explanation clutch coupling simulated condition testing table, should be understood that these embodiment, only for the present invention is described, limit the scope of the invention and be not used in.
As shown in Figure 1, embodiments of the present invention relate to a kind of clutch coupling simulated condition testing table, and this testing table comprises buncher 1, powder clutch 2, belt pulley 3 and 5, belt 4, accumulated energy flywheel 6, Hooke's joint 7 and 9, splined shaft 8, engine flywheel 10, clutch assembly 11, clutch linkage 12, stepper motor 13, adjustable flywheel 14, magnetic powder brake 15, speed probe 16 and 17.Wherein the rotating speed of buncher 1 is adjustable, different rotating speeds that can simulated engine, and described buncher 1 is connected to powder clutch 2; The effect of powder clutch 2 is to prevent torque overload and damage motor, and one end of powder clutch 2 connects buncher 1, and the other end connects belt pulley 3; Belt pulley 3 is connected with belt pulley 5 by belt 4, and belt pulley 5 is connected to accumulated energy flywheel 6, and belt pulley 3 and 5, belt 4 collaborative work roles are transmitting torque, prevent transmission overload, change transmission direction and save arrangement space; Accumulated energy flywheel 6 can make motor output speed not be subject to the impact of load variations, makes rotating speed maintain a steady state value, and one end of accumulated energy flywheel 6 connects belt pulley 5, other end cross shaft connection universal joint 7; The effect of universal joint 7,9 is that the constant rotational speed of motor is changed into sinusoidal fluctuation rotating speed, the fluctuation of the rotating speed of simulated engine, and universal joint 7 is by splined shaft 8 universal-joints 9, universal joint 9 connecting engine flywheels 10; The effect of stepper motor 13 is by separation and the combination of clutch linkage 12 solenoidoperated cluthes assemblies 11, is equivalent to the operation of people's pedal; Clutch assembly (11) is connected with adjustable flywheel (14), and the effect of flywheel 14 is actual inertia and the load of simulated automotive, by the equivalent moment of inertia that regulates the size of Rotary Inertia of Flywheel to simulate different automobile types; Flywheel 14 connects magnetic powder brake 15, and the effect of magnetic powder brake 15 is simulation power train and road resistance square, thereby makes testing table simulate the real travel conditions of automobile, in addition also can play the anxious effect stopping of test; The effect of speed probe 16,17 is the rotating speeds that gather clutch coupling front and back input and output, and the data of collection are input to data acquisition equipment (not shown in figure 1), thereby data acquisition equipment can access the fluctuation of speed situation of input and output, thereby calculate the effectiveness in vibration suppression of clutch coupling.
The principle of work of above-mentioned clutch coupling simulated condition testing table is: buncher output constant rotational speed, has sinusoidal fluctuation through output speed after Hooke's joint, as shown in Figure 2.Regulate the motor speed can the different rotating speed of simulated engine, regulate the true joint angle can simulated engine fluctuation of speed amplitude, Figure 3 shows that the variation that regulates the fluctuation amplitude after true joint angle.
Rotating speed of automobile engine fluctuation is through decaying to some extent after clutch coupling vibration damping, the engine fluctuation rotating speed simulating by testing table, by speed probe 16, collect fluctuation of speed signal, the fluctuation rotating speed of input is through clutch assembly 11 vibration dampings, by speed probe 17, gather output speed fluctuation signal, 16 and 17 two signals obtain curve as shown in Figure 4 after processing by data acquisition equipment, and wherein solid line represents the signal before vibration damping, and dotted line represents the signal after vibration damping.By fluctuation of speed amplitude before and after contrast vibration damping, judge the effectiveness in vibration suppression of clutch coupling.
Utilize testing table as shown in Figure 1, can realize clutch coupling simulated condition test method, the method comprises the steps:
Step 1, simulation steps, specifically comprise:
Regulate the rotating speed of buncher (1), with the different rotating speeds of simulated engine;
Powder clutch 2 and belt pulley 3 and 5, belt 4 collaborative works pass to accumulated energy flywheel (6) by the rotating speed of buncher (1) output;
Accumulated energy flywheel (6) maintains a steady state value by the rotating speed of buncher (1) output;
The first Hooke's joint (7) and the second Hooke's joint (9) change into sinusoidal fluctuation rotating speed the constant rotational speed of accumulated energy flywheel 6 outputs, and the fluctuation of the rotating speed of simulated engine, then passes to clutch coupling by engine flywheel 10; Wherein can regulate the angle of the first Hooke's joint (7) and the second Hooke's joint (9), with simulated engine fluctuation of speed amplitude.
Utilize separation and the combination of stepper motor (13) solenoidoperated cluthes assembly (11), for example, by separation and the combination of clutch linkage (12) solenoidoperated cluthes assembly (11);
Clutch assembly (11) connects adjustable flywheel (14), and actual inertia and the load of adjustable flywheel (14) simulated automotive, by the equivalent moment of inertia that regulates the size of Rotary Inertia of Flywheel to simulate different automobile types;
Adjustable flywheel (14) connects magnetic powder brake (15), magnetic powder brake (15) simulation power train and road resistance square, thus make testing table simulate the real travel conditions of automobile, can play the anxious effect stopping of test simultaneously;
Step 2, acquisition step, specifically comprise:
The first speed probe Gather and input is to clutch coupling rotating speed before;
The second speed probe gathers the rotating speed of clutch coupling output;
The first speed probe (16) and the second speed probe (17) are by the data input data acquisition equipment gathering;
Step 3, calculation procedure, specifically comprise:
Data acquisition equipment, according to the fluctuation of speed situation of the input and output that obtain, calculates the effectiveness in vibration suppression of clutch coupling.
The foregoing is only preferred embodiment of the present invention, be not limited to the present invention, all any modifications of making, be equal to replacement and improvement etc., within being all contained in protection scope of the present invention within the present invention spirit and principle.
Claims (8)
1. a clutch coupling simulated condition testing table, this testing table comprises buncher (1), accumulated energy flywheel (6), the first Hooke's joint (7), the second Hooke's joint (9), splined shaft (8), engine flywheel (10), clutch assembly (11), stepper motor (13), adjustable flywheel (14), magnetic powder brake (15), the first speed probe (16), the second speed probe (17);
Wherein the rotating speed of buncher (1) is adjustable, with the different rotating speeds of simulated engine; Accumulated energy flywheel (6) can make the rotating speed of buncher (1) output not be subject to the impact of load variations, makes rotating speed maintain a steady state value; The first Hooke's joint (7) connects the second Hooke's joint (9) by splined shaft (8), the second Hooke's joint (9) connecting engine flywheel (10), the angle of two universal joints can regulate, the effect of two universal joints is that the constant rotational speed of accumulated energy flywheel 6 outputs is changed into sinusoidal fluctuation rotating speed, the fluctuation of the rotating speed of simulated engine; The effect of stepper motor (13) is (11) separation of solenoidoperated cluthes assembly and combination, is equivalent to the operation of people's pedal; Clutch assembly (11) is connected with adjustable flywheel (14), and the effect of adjustable flywheel (14) is actual inertia and the load of simulated automotive, by the equivalent moment of inertia that regulates the size of Rotary Inertia of Flywheel to simulate different automobile types; Adjustable flywheel (14) connects magnetic powder brake (15), and the effect of magnetic powder brake (15) is simulation power train and road resistance square, thereby makes testing table simulate the real travel conditions of automobile, can play the anxious effect stopping of test simultaneously; The first speed probe (16) is positioned between the second Hooke's joint (9) and engine flywheel (10), for Gather and input, arrive clutch coupling rotating speed before, the second speed probe (17) is positioned between clutch assembly (11) and adjustable flywheel (14), for gathering the rotating speed of clutch coupling output, the first speed probe (16) and the second speed probe (17) are input to data acquisition equipment by the data of collection, thereby data acquisition equipment can access the fluctuation of speed situation of input and output, thereby calculate the effectiveness in vibration suppression of clutch coupling.
2. testing table according to claim 1, it is characterized in that, described testing table also comprises powder clutch (2), the input end of powder clutch (2) connects the output terminal of buncher (1), and the output terminal of powder clutch (2) connects the input end of accumulated energy flywheel (6); Described powder clutch (2) damages motor for preventing torque overload.
3. testing table according to claim 2, it is characterized in that, described testing table also comprises the first belt pulley (3), the second belt pulley (5) and belt (4), the first belt pulley (3) is positioned at the output terminal of powder clutch (2), the first belt pulley (3) is connected with the second belt pulley (5) by belt (4), the second belt pulley (5) is positioned at the input end of accumulated energy flywheel (6), the first belt pulley (3), the second belt pulley (5) and belt (4) collaborative work for transmitting torque, prevent transmission overload, change transmission direction and save arrangement space.
4. according to the testing table described in any one in claim 1-3, it is characterized in that, described testing table also comprises clutch linkage (12), and stepper motor (13) is by separation and the combination of clutch linkage (12) solenoidoperated cluthes assembly (11).
5. a clutch coupling simulated condition test method, this test method is utilized the testing table as described in any one in claim 1-4, comprises the steps:
Step 1, simulation steps, specifically comprise:
Regulate the rotating speed of buncher (1), with the different rotating speeds of simulated engine;
Accumulated energy flywheel (6) maintains a steady state value by the rotating speed of buncher (1) output;
The first Hooke's joint (7) and the second Hooke's joint (9) change into sinusoidal fluctuation rotating speed the constant rotational speed of accumulated energy flywheel 6 outputs, and the fluctuation of the rotating speed of simulated engine, then passes to clutch coupling by engine flywheel 10;
Utilize separation and the combination of stepper motor (13) solenoidoperated cluthes assembly (11);
Clutch assembly (11) connects adjustable flywheel (14), and actual inertia and the load of adjustable flywheel (14) simulated automotive, by the equivalent moment of inertia that regulates the size of Rotary Inertia of Flywheel to simulate different automobile types;
Adjustable flywheel (14) connects magnetic powder brake (15), magnetic powder brake (15) simulation power train and road resistance square, thus make testing table simulate the real travel conditions of automobile, can play the anxious effect stopping of test simultaneously;
Step 2, acquisition step, specifically comprise:
The first speed probe Gather and input is to clutch coupling rotating speed before;
The second speed probe gathers the rotating speed of clutch coupling output;
The first speed probe (16) and the second speed probe (17) are by the data input data acquisition equipment gathering;
Step 3, calculation procedure, specifically comprise:
Data acquisition equipment, according to the fluctuation of speed situation of the input and output that obtain, calculates the effectiveness in vibration suppression of clutch coupling.
6. method according to claim 5, it is characterized in that, in step 1, also utilize powder clutch (2), belt pulley (3) and (5) and belt (4) that the rotating speed of buncher (1) output is passed to accumulated energy flywheel (6), wherein the input end of powder clutch (2) connects the output terminal of buncher (1), the first belt pulley (3) is positioned at the output terminal of powder clutch (2), the first belt pulley (3) is connected with the second belt pulley (5) by belt (4), and the second belt pulley (5) is positioned at the input end of accumulated energy flywheel (6).
7. according to the method described in claim 5 or 6, it is characterized in that, in step 1, stepper motor (13) is by separation and the combination of clutch linkage (12) solenoidoperated cluthes assembly (11).
8. according to the method described in any one in claim 5-7, it is characterized in that, in step 1, regulate the angle of the first Hooke's joint (7) and the second Hooke's joint (9), with simulated engine fluctuation of speed amplitude.
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| CN107452270A (en) * | 2017-09-13 | 2017-12-08 | 无锡商业职业技术学院 | A kind of experiment teaching aid for automobile cardan (hookes)universal joint transmission device |
| CN107796640A (en) * | 2016-09-06 | 2018-03-13 | 北京汽车动力总成有限公司 | The torsional oscillation test device and method of double mass flywheel formula torsional vibration damper |
| CN107941506A (en) * | 2017-12-18 | 2018-04-20 | 奇瑞汽车股份有限公司 | A kind of gearbox test bench rack device and its method for the simulated engine fluctuation of speed |
| CN110031237A (en) * | 2019-04-09 | 2019-07-19 | 华南理工大学 | A kind of automobile drive axle systems bench test device and method |
| CN112051052A (en) * | 2020-08-27 | 2020-12-08 | 东风商用车有限公司 | Automobile clutch comprehensive performance test method and test bench |
| CN112213105A (en) * | 2020-09-18 | 2021-01-12 | 西安法士特汽车传动有限公司 | Engine rotating speed fluctuation simulation device and test method |
| CN112697458A (en) * | 2020-12-16 | 2021-04-23 | 西安顺通机电应用技术研究所 | Automatic climbing simulation device and method for motorcycle clutch performance test bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110031237A (en) * | 2019-04-09 | 2019-07-19 | 华南理工大学 | A kind of automobile drive axle systems bench test device and method |
| CN112051052A (en) * | 2020-08-27 | 2020-12-08 | 东风商用车有限公司 | Automobile clutch comprehensive performance test method and test bench |
| CN112051052B (en) * | 2020-08-27 | 2022-05-03 | 东风商用车有限公司 | Automobile clutch comprehensive performance test method and test bench |
| CN112213105A (en) * | 2020-09-18 | 2021-01-12 | 西安法士特汽车传动有限公司 | Engine rotating speed fluctuation simulation device and test method |
| CN112213105B (en) * | 2020-09-18 | 2022-07-15 | 西安法士特汽车传动有限公司 | Engine rotating speed fluctuation simulation device and test method |
| CN112697458A (en) * | 2020-12-16 | 2021-04-23 | 西安顺通机电应用技术研究所 | Automatic climbing simulation device and method for motorcycle clutch performance test bed |
| CN112697458B (en) * | 2020-12-16 | 2023-11-10 | 西安顺通机电应用技术研究所 | Automatic climbing simulation device and method for motorcycle clutch performance test bed |
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