CN201503355U - Accelerator pedal durability test device - Google Patents
Accelerator pedal durability test device Download PDFInfo
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- CN201503355U CN201503355U CN2009202460610U CN200920246061U CN201503355U CN 201503355 U CN201503355 U CN 201503355U CN 2009202460610 U CN2009202460610 U CN 2009202460610U CN 200920246061 U CN200920246061 U CN 200920246061U CN 201503355 U CN201503355 U CN 201503355U
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- durability test
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Abstract
The utility model relates to an accelerator pedal durability test device comprising an air source for supplying air pressure and a transmission structure which comprises a cylinder, a stay rope and an electromagnetic valve. A piston rod of the cylinder is connected with the accelerator pedal through the stay rope; the cylinder is communicated with the air source for supplying air to the cylinder through the electromagnetic valve; the electromagnetic valve comprises a first port communicated with an intake port of the cylinder, a second port communicated with the air source and a third port communicated with an exhaust port of the cylinder; the electromagnetic valve is controlled to conduct the first port and the second port, or to open the controller of the third port; and the controller is electrically connected with the electromagnetic valve in the transmission structure. The accelerator pedal durability test device has low cost and improves the convenience for testing the accelerator pedal durability.
Description
Technical field
The utility model relates to a kind of auto parts machinery proving installation, relates in particular to a kind of automobile acceleration pedal durability test unit.
Background technology
More and more higher along with the automotive electronics degree, engine electronic control unit (ElectronicControl Unit; Abbreviate as: ECU) more and more general employing, efp has begun in commercial car, for example gently card, heavily card is gone up extensively equipped the use, and commercial car is high to the reliability requirement of efp.Therefore, for guaranteeing automobile in serviceable life, efp (trampling through millions of times) can both operate as normal, needs the permanance by the experimental test gas pedal, and then guarantees gas pedal reliability in use.
Because accelerator pedal of automobile may be operated under the multiple situation, therefore need permanance by multi-state compositeness experimental test gas pedal.At present, often gas pedal is carried out Multitests such as humid test, damp heat test, the endurancing of gas pedal working in reciprocating mode, with the permanance of test gas pedal by proving installation.
Existing test unit generally includes mechanical driving device, TT﹠C system and environmental test chamber, wherein, mechanical driving device generally is as power source by cam motor, in conjunction with different environmental test chambers, control the connecting rod that drive power source is connected with gas pedal by TT﹠C system, the control gas pedal is finished reciprocating action, with the permanance of test gas pedal.
With the be used as power test unit in source of cam motor, its cost is very high.In addition, because in a single day bar linkage structure sets, do not have changeability, limited the usable range of test unit, when carrying out the permanance of Multitest test gas pedal, need mobile whole test device in different environmental test chambers, this brings very big inconvenience for the test of simulation actual condition.
The utility model content
The purpose of this utility model provides a kind of acceleration pedal durability test unit, and its cost is low, and can improve the convenience of test gas pedal endurancing.
For achieving the above object, the utility model embodiment provides a kind of acceleration pedal durability test unit, comprising:
Be used to provide the source of the gas of air pressure;
Drive mechanism, described drive mechanism comprises: cylinder, drag-line and solenoid valve; The piston rod of described cylinder is connected with described gas pedal by described drag-line, and described cylinder is connected with described source of the gas to described cylinder air feed by described solenoid valve; Described solenoid valve comprises first port that is connected with the air inlet port of described cylinder, second port that is connected with described source of the gas, and the 3rd port that is connected with the exhaust port of described cylinder;
Be used to control described first port of described solenoid valve conduction and described second port, perhaps control the controller that described solenoid valve is opened described the 3rd port, described controller is electrically connected with solenoid valve in the described drive mechanism.
The acceleration pedal durability test unit that the utility model embodiment provides, with source of the gas as power source, its cost is low, realize being connected of cylinder and gas pedal by drag-line, can gas pedal be put into different environmental test chambers by the drag-line of selecting different length, carry out different testing experiments, and need not mobile whole test device, the convenience of test gas pedal endurancing improved.
Description of drawings
The structural representation of the acceleration pedal durability test unit that Fig. 1 provides for the utility model embodiment one;
The structural representation of the acceleration pedal durability test unit that Fig. 2 provides for the utility model embodiment two;
The structural representation of the acceleration pedal durability test unit that Fig. 3 provides for the utility model embodiment three;
The structural representation of the acceleration pedal durability test unit that Fig. 4 provides for the utility model embodiment four.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The structural representation of the acceleration pedal durability test unit that Fig. 1 provides for the utility model embodiment one, as shown in Figure 1, the test unit that present embodiment provides comprises: source of the gas 1, drive mechanism 2 and controller 3.Source of the gas 1 is used for providing air pressure to drive mechanism 2.
Wherein, drive mechanism 2 specifically comprises: cylinder 21, drag-line 22 and solenoid valve 23.Cylinder 21 can adopt cylinder of the prior art, includes cylinder barrel, piston, piston rod, end cap and seals and other component, is a kind of cylindrical metal parts that guide piston to carry out straight reciprocating motion therein.Concrete, the piston rod of cylinder 21 is connected with an end of drag-line 22, and the other end of drag-line 22 is used to connect gas pedal; The end cap of cylinder 21 is provided with air inlet port and exhaust port, and is connected with source of the gas 1 by solenoid valve 23.Solenoid valve 23 is provided with first port that is connected with the air inlet port, second port that is connected with source of the gas 1, the 3rd port that is connected with the exhaust port is when first port of solenoid valve 23 and the second port conducting, the air inlet port of cylinder 21 is connected with source of the gas 1, by source of the gas 1 to cylinder 21 air feed; When the 3rd port of solenoid valve 23 was unlocked, first port and second port were in closed condition, and the gas in the cylinder 21 is discharged cylinder barrel by the exhaust port that is unlocked.
In conjunction with practical application, it is as follows that the principle of work of this test unit is elaborated, below among each embodiment all based on this principle of work, and no longer this is given unnecessary details, be specially:
Further, when gas pedal is carried out humid test, gas pedal can be put into temperature test chamber, and realize being connected between test unit that present embodiment provides and the gas pedal by the drag-line of changing respective length, and the test unit that need not mobile present embodiment provides; When gas pedal is carried out damp heat test, can connect gas pedal and the experimental provision of putting into moisture-heat test-box by changing the drag-line of respective length equally, and the test unit that need not mobile present embodiment provides.In addition, the test unit that present embodiment provides can also be decided according to the position of source of the gas 1, promptly can be arranged on the position nearer with source of the gas 1, need not consider the distance with the environmental test chamber of test acceleration pedal durability.
The acceleration pedal durability test unit that present embodiment provides, as power source, its cost is low with source of the gas; With the connection between drag-line realization test unit and the gas pedal, can realize being connected of gas pedal and test unit in the varying environment chamber by the drag-line of selecting different length, carry out different testing experiments, can improve the convenience of the test of test acceleration pedal durability.
Concrete, source of the gas 1 can adopt compressed air source unit of the prior art, the technical solution of the utility model does not limit this, it for example can be air compressor, and, go for different conditions, therefore because the kind of air compressor is a lot, in present embodiment and follow-up each embodiment, be example all, the technical solution of the utility model is described with the air compressor.Further, the air pressure that this air compressor provides should adapt with the withstand voltage properties of cylinder 21, for example, if it is that 1MPa, operating air pressure are the cylinder of 8KPa that present embodiment selects for use maximum to bear air pressure, then should select rated discharge pressure for use is the air compressor of low pressure (0.7MPa-1.0MPa), in addition, for continuous cylinder 21 air feed in drive mechanism 2, this air compressor has a gas-holder.As power source, its cost is low with air compressor, chooses conveniently.
Concrete, the material of drag-line 22 can be antifriction metal (AFM), alloy etc., each embodiment of the utility model is example with the parallel wire stay.
Further, solenoid valve 23 can be selected the solenoid valve that is provided with manual turn-knob for use, so that pass through the size of each port open of this manual turn-knob control electromagnetic valve 23, in this way can control cylinder 21 air inlets and deflation rate, realization is to the control of acceleration pedal durability test frequency, the technical scheme of present embodiment can improve the convenience of acceleration pedal durability test, has guaranteed the controllability to test frequency again.
The structural representation of the acceleration pedal durability test unit that Fig. 2 provides for the utility model embodiment two, present embodiment can realize that as shown in Figure 2, this test unit also comprises a stand 4, is used for fixing gas pedal based on embodiment one.Concrete, this stand 4 is provided with a plurality of mounting holes 41, is used for fixing a plurality of gas pedals, and the structure of mounting hole and the model of existing gas pedal adapt, gas pedal can be by bolt in corresponding mounting hole 41, and as shown in Figure 2, what present embodiment was concrete is example with 2 mounting holes.
Concrete, when gas pedal is carried out humid test or damp heat test, the stand 4 that is fixed with gas pedal can be put into temperature test chamber or moisture-heat test-box, and realize being connected between test unit that present embodiment provides and the gas pedal by the drag-line of changing respective length, and the test unit that need not whole mobile present embodiment provides, connect by drag-line, can strengthen the distance between the test unit that stand 4 and present embodiment provide, improve the adaptability that test unit is adjusted the distance.
The acceleration pedal durability test unit that present embodiment provides, its principle of work does not repeat them here with embodiment one.
The technical scheme that adopts present embodiment to provide can further improve the convenience that acceleration pedal durability is tested by fixing gas pedal.
On the basis of technique scheme, the top of the piston rod of cylinder 21 is provided with through hole, drag-line 22 can be by bolt in through hole, and the acceleration pedal durability test unit that the foregoing description provides, also provide and the corresponding anchor clamps of gas pedal, described anchor clamps are folded on the gas pedal, and drag-line 22 can be by bolt on these anchor clamps, to realize and being connected of gas pedal.The scheme that above-mentioned realization drag-line and cylinder are connected with gas pedal, effectively simple, and fixed, and employed bolt and anchor clamps low price, can further reduce the cost of the test unit that the utility model provides.
Along with the raising of automotive electronics degree, the use of efp is more and more general, and in order more accurately efp to be carried out endurancing, the utility model provides a kind of durability test device that is applicable to efp.The structural representation of the acceleration pedal durability test unit that Fig. 3 provides for the utility model embodiment three, present embodiment can be realized based on embodiment two, as shown in Figure 3, on the basis of embodiment two, this test unit also comprises: the signal input part of controller 3 is connected with a signal transmssion line 5, and the other end of signal transmssion line 5 is connected with the signal output part of efp.
Concrete, when efp is raised (trampling), can produce an output voltage, this output voltage feeds back to controller 3 by signal transmssion line 5, and offers Programmable Logic Controller (the Programmable logic Controller in the controller 3; Abbreviate as: PLC), PLC when receiving feedback voltage, the recorded electronic gas pedal trample number of times, represent once successful testing experiment, show that simultaneously efp is not out of order; And when efp broke down inefficacy, PLC can stop counting automatically because of signal deletion, judged that by this efp breaks down.
Existing test unit generally is to come the statistical test number of times by the motor revolution in the record cam motor, this method does not consider that the efp that extraneous factor causes is not raised the situation of (trampling), and in the present embodiment, by signal transmssion line the output voltage of E-Gas is fed back to controller, the number of times of trampling based on feedback voltage recorded electronic gas pedal, therefore, the technical scheme of present embodiment, be applicable to and carry out the efp endurancing, can improve the accuracy of E-Gas endurancing.
Further, controller 3 is provided with one and regulates turn-knob, is used for a variable resistor of adjustment control 3, can control the size of efp output voltage by this variable resistor.
In the practical application, controller 3 is according to this variable-resistance resistance, can know the size of efp output voltage, therefore, when controller 3 receives the output voltage of efp, judge that earlier this output voltage is whether in the fluctuation range of load voltage value, if illustrate that (trampling) mentioned in this time of efp to be tested successfully, then should inferior mention (trampling) test data sheet gets off, otherwise, illustrate that this time test do not finish for a certain reason, for example, efp may (for example partly be mentioned, be operated half), then this time invalidate the test does not carry out record to this.By technique scheme, can further improve test accuracy, make the permanance of the efp that the user can understand more accurately.
The structural representation of the acceleration pedal durability test unit that Fig. 4 provides for the utility model embodiment four, present embodiment can be realized based on the various embodiments described above, concrete, present embodiment serves as that the technical solution of the utility model is realized on the basis with embodiment three, as shown in Figure 4, the difference of this test unit and embodiment three is, comprises a plurality of drive mechanisms 2, concrete with 4 be example, but be not limited to this.Wherein, each drive mechanism constitutes by cylinder 21, drag-line 22 and solenoid valve 23, and the concrete annexation between cylinder 21, drag-line 22 and the solenoid valve 23 is identical with the various embodiments described above, does not repeat them here.As shown in Figure 4, the solenoid valve 23 of different drive mechanisms 2 is connected with controller 3 respectively, and is connected with air compressor 1 respectively by different signal transmission lines 5; The other end of the drag-line 22 of different drive mechanisms 2 is connected with an efp that is fixed on the stand 4 respectively.
In the practical application, pass through different signal transmission lines 5 by controller 3, simultaneously to different solenoid valves 23 sending controling instructions, the conducting state of each port by controlling different solenoid valve 23, difference cylinder 21 is carried out exhaust and air inlet, different pistons is all moved back and forth, and then carry out perseveration, carry out the testing experiment of a plurality of efp permanance simultaneously by different piston rods and the different efp of drag-line drive.Concrete, the test philosophy of each efp permanance is same as the previously described embodiments, does not repeat them here.
The acceleration pedal durability test unit that present embodiment provides by a plurality of drive mechanisms are set, can carry out testing experiment to a plurality of efp permanance simultaneously, has improved the efficient of efp endurancing; Simultaneously, change one time drag-line, a mobile stand can be finished the testing experiment of a plurality of efp permanance, from another perspective, has improved the convenience of efp endurancing.
Need to prove that accompanying drawing is the synoptic diagram of an embodiment, those of ordinary skills are appreciated that and realize test unit provided by the utility model under the situation of not paying creative work.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. an acceleration pedal durability test unit is characterized in that, comprising:
Be used to provide the source of the gas of air pressure;
Drive mechanism, described drive mechanism comprises: cylinder, drag-line and solenoid valve; The piston rod of described cylinder is connected with described gas pedal by described drag-line, and described cylinder is connected with described source of the gas to described cylinder air feed by described solenoid valve; Described solenoid valve comprises first port that is connected with the air inlet port of described cylinder, second port that is connected with described source of the gas, and the 3rd port that is connected with the exhaust port of described cylinder;
Control described first port of described solenoid valve conduction and described second port, perhaps control the controller that described solenoid valve is opened described the 3rd port, described controller is electrically connected with solenoid valve in the described drive mechanism.
2. acceleration pedal durability test unit according to claim 1 is characterized in that, also comprises:
Stand, described stand is provided with a plurality of mounting holes, described gas pedal by bolt in described mounting hole.
3. acceleration pedal durability test unit according to claim 1 is characterized in that the top of described piston rod is provided with the through hole that is used to connect described drag-line, described drag-line by bolt in described through hole.
4. acceleration pedal durability test unit according to claim 1 is characterized in that, described test unit is provided with and the corresponding anchor clamps of described gas pedal, described drag-line by bolt on described anchor clamps, to realize and being connected of described gas pedal.
5. gas pedal durability test apparatus according to claim 1 is characterized in that, described source of the gas is an air compressor, and described air compressor is provided with gas-holder.
6. acceleration pedal durability test unit according to claim 1 is characterized in that, described solenoid valve comprises that also being used to be provided with described solenoid valve opens big or small manual turn-knob.
7. acceleration pedal durability test unit according to claim 1 is characterized in that, if described gas pedal is an efp, the signal output part of described efp is connected with the signal input part of described controller by signal transmssion line.
8. acceleration pedal durability test unit according to claim 7 is characterized in that, described controller is provided with the variable-resistance adjusting turn-knob of regulating in the described controller.
9. acceleration pedal durability test unit according to claim 1 is characterized in that, described drag-line is a parallel wire stay.
10. according to each described acceleration pedal durability test unit of claim 1-9, it is characterized in that, described test unit comprises the described drive mechanism of many groups, and a plurality of described drive mechanisms are connected with described controller, described source of the gas and a plurality of efp respectively.
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CN2009202460610U CN201503355U (en) | 2009-09-27 | 2009-09-27 | Accelerator pedal durability test device |
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CN2009202460610U CN201503355U (en) | 2009-09-27 | 2009-09-27 | Accelerator pedal durability test device |
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CN2009202460610U Expired - Fee Related CN201503355U (en) | 2009-09-27 | 2009-09-27 | Accelerator pedal durability test device |
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Cited By (10)
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CN102735383A (en) * | 2012-07-12 | 2012-10-17 | 南京汽车集团有限公司 | Testing method of efficiency of gear-shifting cable of automobile |
CN103674567A (en) * | 2012-09-17 | 2014-03-26 | 广西玉柴机器股份有限公司 | Testing device of electronic throttle and testing method of testing device |
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CN105571845A (en) * | 2015-12-16 | 2016-05-11 | 芜湖普威技研有限公司 | Automobile pedal durability detection apparatus |
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- 2009-09-27 CN CN2009202460610U patent/CN201503355U/en not_active Expired - Fee Related
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CN102735383B (en) * | 2012-07-12 | 2014-02-12 | 南京汽车集团有限公司 | Testing method of efficiency of gear-shifting cable of automobile |
CN102735383A (en) * | 2012-07-12 | 2012-10-17 | 南京汽车集团有限公司 | Testing method of efficiency of gear-shifting cable of automobile |
CN103674567A (en) * | 2012-09-17 | 2014-03-26 | 广西玉柴机器股份有限公司 | Testing device of electronic throttle and testing method of testing device |
CN103837349A (en) * | 2012-11-20 | 2014-06-04 | 苏州工业园区高登威科技有限公司 | Installation method for supporting device of temperature control box |
CN103792083B (en) * | 2014-03-06 | 2016-07-27 | 哈尔滨工业大学 | Wing aerodynamic charger |
CN103792083A (en) * | 2014-03-06 | 2014-05-14 | 哈尔滨工业大学 | Wing pneumatic loading device |
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CN105571845A (en) * | 2015-12-16 | 2016-05-11 | 芜湖普威技研有限公司 | Automobile pedal durability detection apparatus |
CN108106822A (en) * | 2016-11-25 | 2018-06-01 | 上汽通用五菱汽车股份有限公司 | A kind of separation rocking arm durable reliability test experiments rack and durable reliability test method |
CN108106822B (en) * | 2016-11-25 | 2024-03-15 | 上汽通用五菱汽车股份有限公司 | Experiment bench for endurance reliability test of separating rocker arm and endurance reliability test method |
CN108087384A (en) * | 2017-12-25 | 2018-05-29 | 芜湖盛力科技股份有限公司 | A kind of hydraulic brake valve reliability test system and method |
CN110375934A (en) * | 2019-06-05 | 2019-10-25 | 天津英创汇智汽车技术有限公司 | A kind of equipment for ECU air-leakage test |
CN113624478A (en) * | 2021-08-16 | 2021-11-09 | 上汽通用五菱汽车股份有限公司 | Automobile pedal endurance test detection device |
CN113624478B (en) * | 2021-08-16 | 2024-05-28 | 上汽通用五菱汽车股份有限公司 | Automobile pedal durability test detection device |
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