CN104535314A - Vehicle pedal durability test device and control method thereof - Google Patents
Vehicle pedal durability test device and control method thereof Download PDFInfo
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- CN104535314A CN104535314A CN201410850548.5A CN201410850548A CN104535314A CN 104535314 A CN104535314 A CN 104535314A CN 201410850548 A CN201410850548 A CN 201410850548A CN 104535314 A CN104535314 A CN 104535314A
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Abstract
The invention discloses a vehicle pedal durability test device. The vehicle pedal durability test device comprises a rack, a cantilever mechanism, a pedal, a first cylinder, a first rotating shaft and a second rotating shaft, wherein one end of the cantilever mechanism is rotationally connected to the rack through the first rotating shaft, the other end of the cantilever mechanism is connected with a piston rod of the first cylinder through a hinge, and the first cylinder is connected to the top of the rack through a hinge joint mechanism; one end of the pedal is rotationally connected to the rack through the second rotating shaft, and the first rotating shaft and the second rotating shaft are coaxially arranged; when the first cylinder applies acting force to the cantilever mechanism, the other end of the cantilever mechanism applies treading force to the other end of the pedal. According to the vehicle pedal durability test device, the first rotating shaft of the cantilever mechanism and the second rotating shaft of the pedal are coaxially arranged and it is guaranteed that a force sensor is perpendicular to the pedal and treading force in the testing process is measured along the tangential line of circular motion of the pedal all the time, force measuring veracity is guaranteed, and measuring accuracy is improved.
Description
Technical field
The present invention relates to a kind of auto parts machinery proving installation, more particularly, relate to a kind of auto pedal durable test device and control method thereof.
Background technology
Along with popularizing of automobile product, automobile closely enters most family with daily necessities, but automobile is as the vehicles of running at high speed, the serious damage of measuring just likely is caused when part goes wrong, the lighter's vehicle is wiped and is touched, heavy then car crash, in all auto parts, brake system of car is then the guarantee of vehicle safety performance, ensure that the normal of brake system function not merely only has brake disc to play a role, it is car load brake system, but parts the most key in brake system are then trigger mechanisms, so-called trigger mechanism namely our said brake pedal, vital effect is served in braking procedure, if brake pedal lost efficacy, then vehicle then cannot normal brake application, finally can cause the generation of accident, so the reliability of brake pedal is most important, but how to test in actual test process, just to the very large difficulty that we bring, how to ensure the authenticity of testing, and can Timeliness coverage hidden danger correct in time, and by test, product is optimized, reduce production cost, alleviate car weight etc.
Testing device for endurance of automobile pedal disclosed in Chinese invention Authorization Notice No. CN 202182817U, it comprises frame, be fixedly installed on execution cylinder in frame and reacting force force application apparatus, control system, described pedal is rotating to be connected with frame, under reacting force force application apparatus applies acting force to pedal arm, described execution cylinder applies pedal force to pedal.The pedal of this testing device for endurance of automobile pedal is cantilever design, it is movement in a curve in motion process, therefore the requirement of measuring accuracy can not be met, because can not pedal force that is virtually reality like reality in movement in a curve process, this measurement result is inaccurate, and the pedal force only prolonging the applying on the direction of camber line tangent line is only the most real pedal force, therefore, only have the pedal force of simulation on the direction of prolonging camber line tangent line, the result tested out could be true.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect such as above-mentioned of prior art, provides a kind of auto pedal durable test device and control method thereof.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of auto pedal durable test device, comprises frame, cantilever mechanism, pedal, the first cylinder, the first rotation axis and the second rotation axis;
One end of cantilever mechanism is rotatably connected in frame by the first rotation axis, the other end of cantilever mechanism and the piston rod chain connection of the first cylinder, and the first cylinder is connected to frame top by linkwork;
One end of pedal is rotatably connected in frame by the second rotation axis, and the first rotation axis and the second rotation axis are coaxially arranged; Under the first cylinder applies acting force to cantilever mechanism, the other end of cantilever mechanism applies pedal force to the other end of pedal.
Auto pedal durable test device of the present invention, wherein, this auto pedal durable test device also comprises the second cylinder, and one end of the second cylinder is hinged through the hinge to the sidepiece of frame, and piston rod and the pedal of the second cylinder are hinged.
Auto pedal durable test device of the present invention, wherein, is connected with the induction installation responded to the force size of the first cylinder between described cantilever mechanism and pedal, this induction installation one end and cantilever mechanism affixed.
Auto pedal durable test device of the present invention, wherein, described induction installation is force snesor.
Auto pedal durable test device of the present invention, wherein, is provided with contact head between described induction installation and pedal, this contact head and induction installation affixed.
Auto pedal durable test device of the present invention, wherein, this auto pedal durable test device also comprises control device, wherein, this control device at least comprises power switch, source of the gas input interface, induction installation input interface, the first gas circuit output interface, the second gas circuit output interface, controller;
Wherein, source of the gas input interface connects industrial compressed gas, and induction installation input interface is connected with induction installation, the first gas circuit output interface and the first cylinders, the second gas circuit input interface and the second cylinders; Control the flexible of the first cylinder and the second cylinder under the control of the controller.
The present invention also provides a kind of control method as above-mentioned auto pedal durable test device, comprises the following steps:
S3, under control of the controller, the first cylinder promotes cantilever mechanism, and the contact head making cantilever mechanism, be fixed in the induction installation on cantilever mechanism and be fixed in induction installation moves in a circle along the axle center of the first rotation axis;
S4, cantilever mechanism are in motion process, and contact head and pedal are fitted, when the stampede operation power that the first cylinder applies reaches default maximal value, cantilever mechanism keeps motionless in Preset Time, and now, the second cylinder under control of the controller, promote pedal, provide corresponding resistance to pedal;
S5, induction installation detect the pedal force that in above-mentioned S4, cantilever mechanism applies pedal;
After S6, induction installation detect, the first cylinder provides reset thrust for cantilever mechanism under control of the controller, and the second cylinder provides reset thrust for pedal under control of the controller, is completed.
The control method of auto pedal durable test device of the present invention, wherein, further comprising the steps of before S3:
The position of S1, adjustment induction installation, contact head, makes induction installation vertical with pedal;
S2, test parameter is set.
The control method of auto pedal durable test device of the present invention, wherein, described test parameter comprises pedal force peak value, pedal force retention time, reset retention time, cycle index.
Implement auto pedal durable test device of the present invention, there is following beneficial effect:
(1) by the coaxial setting that adopts the first rotating shaft of cantilever mechanism and second of pedal to rotate and ensure that force snesor is vertical with pedal, can ensure that the measurement of pedal force in test process is along on the tangent line of pedal circular motion all the time, ensure the authenticity of ergometry, improve measuring accuracy.
(2) in addition, described second cylinder of the present invention, for given the test agent provides corresponding test resistance, can make to have more line style to the resistance that pedal applies in process of the test, can simulate really in operation along with the corresponding situation of change of change strength of operational stroke.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the auto pedal durable test device structural representation of present pre-ferred embodiments;
Fig. 2 is control device schematic diagram in the auto pedal durable test device of present pre-ferred embodiments.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further:
As shown in Figure 1, a kind of auto pedal durable test device, comprises frame 1, cantilever mechanism 2, pedal 3, first cylinder 4, first rotation axis 5, second rotation axis 6 and the second cylinder 7;
One end of cantilever mechanism 2 is rotatably connected in frame 1 by the first rotation axis 5, the other end of cantilever mechanism 2 and the piston rod chain connection of the first cylinder 4, and the first cylinder 4 is connected to frame 1 top by linkwork;
One end of pedal 3 is rotatably connected in frame 1 by the second rotation axis 6, and the first rotation axis 5 and the second rotation axis 6 are coaxially arranged, and under the first cylinder 4 pairs of cantilever mechanisms 2 apply acting force, the other end of cantilever mechanism 2 applies pedal force to the other end of pedal 3.
One end of second cylinder 7 is connected to the sidepiece of frame 1 by hinge body, piston rod and the pedal 3 of the second cylinder 7 are articulated and connected, wherein, second cylinder 7 provides the thrust of corresponding resistance and reset to pedal 3, adopt this second cylinder 7 can make to have more line style to the power that pedal 3 applies in process of the test, can simulate really in operation along with the corresponding situation of change of change strength of operational stroke.
Wherein, between cantilever mechanism 2 and pedal 3, be connected with the induction installation 8 that the force size of the first cylinder 4 is responded to, this induction installation 8 one end and cantilever mechanism 2 affixed.Described induction installation 8 is force snesor.
Be provided with contact head 9 between induction installation 8 and pedal 3, wherein contact head 9 is affixed with induction installation 8.The relative position that this contact head 9 contacts with each other for adjusting pedal 3 and force snesor, make force snesor mutually vertical with pedal 3, in further guarantee test process, the measurement of pedal force is along on the tangent line of pedal 3 circular motion all the time, ensure that the authenticity measuring pedal force.
As shown in Figure 2, this auto pedal durable test device also comprises control device 10, wherein, this control device at least comprises power switch 101, source of the gas input interface 102, induction installation input interface 103, first gas circuit output interface 104, second gas circuit output interface 105, controller (not shown); Wherein, source of the gas input interface 102 connects industrial compressed gas, and induction installation input interface 103 is connected with induction installation 8, and the first gas circuit output interface 104 is connected with the first cylinder 4, and the second gas circuit input interface 105 is connected with the second cylinder 5; Control the flexible of the first cylinder 4 and the second cylinder 5 under the control of the controller.This control device also comprises touch-screen, emergency stop switch and power interface, wherein, and power interface access 220V civil power.
The present invention also provides a kind of control method of above-mentioned auto pedal durable test device, comprises the following steps:
The position of S1, adjustment induction installation 8, contact head 9, makes induction installation 8 vertical with pedal;
S2, test parameter is set by controller; Wherein, described test parameter comprises pedal force peak value, pedal force retention time, reset retention time, cycle index etc.;
S3, under control of the controller, the first cylinder 4 promotes cantilever mechanism 2, and the contact head 9 making cantilever mechanism 2, be fixed in the induction installation 8 on cantilever mechanism 2 and be fixed in induction installation 8 moves in a circle along the axle center of the first rotation axis 5;
S4, cantilever mechanism 2 are in motion process, contact head 9 and pedal 3 are fitted, when the stampede operation power that the first cylinder 4 applies reaches default maximal value and pedal force peak value, cantilever mechanism 2 keeps motionless within the time of presetting, now, second cylinder 7 under control of the controller, promotes pedal 3, provides corresponding resistance to pedal 3;
S5, induction installation 8 detect the pedal force that in above-mentioned S4, cantilever mechanism 2 pairs of pedals 3 apply;
After S6, induction installation 8 detect, the first cylinder 4 is under control of the controller for cantilever mechanism 2 provides reset thrust, and the second cylinder 7 for pedal 3 provides reset thrust, is completed under control of the controller.
When using this auto pedal durable test device, power-on switch, regulates the position of induction installation 8, contact head 9, makes induction installation 8 vertical with pedal, then arrange test parameter.Start test, first cylinder 4 carries out push pull maneuver under control of the controller, and then drive cantilever mechanism 2 to move thereupon, the force snesor being arranged on cantilever mechanism bottom monitors the pedal force of cantilever mechanism 2 pairs of pedals 3 in test process, along with the increase and decrease pedal force of stroke increases and decreases thereupon, suspend after the pedal force peak value that pedal force reaches default and keep, rely on the second cylinder 7 pairs of pedals 3 to provide corresponding resistance subsequently.In pedal 3 return process, the first cylinder 4 provides reset thrust for pedal 3, test pedal 3 is recovered initial position, cantilever mechanism 2 relies on the first cylinder 4 to reset, after several circulation, be completed, according to test request, given the test agent outward appearance and performance are checked accordingly, finally test is terminated rear test data and carry out derivation and analyze.
The present invention is by the coaxial setting that adopts the first rotating shaft of cantilever mechanism and second of pedal and rotate and ensure that force snesor is vertical with pedal, can ensure that the measurement of pedal force in test process is along on the tangent line of pedal circular motion all the time, ensure the authenticity of ergometry, improve measuring accuracy.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (9)
1. an auto pedal durable test device, it is characterized in that, comprise frame (1), cantilever mechanism (2), pedal (3), the first cylinder (4), the first rotation axis (5) and the second rotation axis (6);
One end of cantilever mechanism (2) is rotatably connected in frame (1) by the first rotation axis (5), the other end of cantilever mechanism (2) and the piston rod chain connection of the first cylinder (4), the first cylinder (4) is connected to frame (1) top by linkwork;
One end of pedal (3) is rotatably connected in frame (1) by the second rotation axis (6), and the first rotation axis (5) and the second rotation axis (6) are coaxially arranged; Under the first cylinder (4) applies acting force to cantilever mechanism (2), the other end of cantilever mechanism (2) applies pedal force to the other end of pedal (3).
2. auto pedal durable test device according to claim 1, it is characterized in that, this auto pedal durable test device also comprises the second cylinder (7), one end of second cylinder (7) is hinged through the hinge to the sidepiece of frame (1), and piston rod and the pedal (3) of the second cylinder (7) are hinged.
3. auto pedal durable test device according to claim 2, it is characterized in that, be connected with the induction installation (8) that the force size of the first cylinder (4) is responded between described cantilever mechanism (2) and pedal (3), this induction installation (8) one end and cantilever mechanism (2) affixed.
4. auto pedal durable test device according to claim 3, is characterized in that, described induction installation (8) is force snesor.
5. auto pedal durable test device according to claim 3, it is characterized in that, be provided with contact head (9) between described induction installation (8) and pedal (3), this contact head (9) is affixed with induction installation (8).
6. auto pedal durable test device according to claim 3, it is characterized in that, this auto pedal durable test device also comprises control device (10), wherein, this control device at least comprises power switch (101), source of the gas input interface (102), induction installation input interface (103), the first gas circuit output interface (104), the second gas circuit output interface (105), controller;
Wherein, source of the gas input interface (102) connects industrial compressed gas, induction installation input interface (103) is connected with induction installation (8), first gas circuit output interface (104) is connected with the first cylinder (4), and the second gas circuit input interface (105) is connected with the second cylinder (5); Control the flexible of the first cylinder (4) and the second cylinder (5) under the control of the controller.
7. a control method for auto pedal durable test device as claimed in claim 6, is characterized in that, comprise the following steps:
S3, controller (15) control under, first cylinder (4) promotes cantilever mechanism (2), and the contact head (9) making cantilever mechanism (2), be fixed in the induction installation (3) on cantilever mechanism (2) and be fixed in induction installation (8) moves in a circle along the axle center of the first rotation axis (5);
S4, cantilever mechanism (2) are in motion process, contact head (9) and pedal (3) are fitted, when the stampede operation power that the first cylinder (4) applies reaches default maximal value, cantilever mechanism (2) keeps motionless in Preset Time, now, second cylinder (5) under control of the controller, promotes pedal (3), provides corresponding resistance to pedal (3);
S5, induction installation (8) detect the pedal force that in above-mentioned S4, cantilever mechanism (2) applies pedal (3);
After S6, induction installation (8) detect, first cylinder (4) provides reset thrust for cantilever mechanism (2) under control of the controller, second cylinder (7) provides reset thrust for pedal (3) under control of the controller, is completed.
8. the control method of auto pedal durable test device according to claim 7, is characterized in that, further comprising the steps of before S3:
The position of S1, adjustment induction installation (8), contact head (9), makes induction installation (8) vertical with pedal;
S2, test parameter is set.
9. the control method of auto pedal durable test device according to claim 8, is characterized in that, described test parameter comprises pedal force peak value, pedal force retention time, reset retention time, cycle index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850548.5A CN104535314B (en) | 2014-12-29 | 2014-12-29 | Auto pedal durable test device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850548.5A CN104535314B (en) | 2014-12-29 | 2014-12-29 | Auto pedal durable test device and its control method |
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| CN104535314A true CN104535314A (en) | 2015-04-22 |
| CN104535314B CN104535314B (en) | 2017-06-20 |
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| CN201410850548.5A Active CN104535314B (en) | 2014-12-29 | 2014-12-29 | Auto pedal durable test device and its control method |
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| CN105522379A (en) * | 2016-02-26 | 2016-04-27 | 东风(十堰)车身部件有限责任公司 | Equipment for assembling automobile pedal assembly |
| CN105954044A (en) * | 2016-05-31 | 2016-09-21 | 广西柳州宇明汽车零部件有限公司 | Pedal durability testing machine |
| CN106017878A (en) * | 2016-05-18 | 2016-10-12 | 苏州诚峰机电设备有限公司 | Device for testing endurance of pedal of automobile clutch pedal assembly |
| CN108318233A (en) * | 2018-02-06 | 2018-07-24 | 安徽理工大学 | A kind of clutch pedal detection method |
| CN114397110A (en) * | 2021-12-15 | 2022-04-26 | 重庆长安汽车股份有限公司 | Device and method for testing durability of automobile braking system |
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| CN108318233A (en) * | 2018-02-06 | 2018-07-24 | 安徽理工大学 | A kind of clutch pedal detection method |
| CN114397110A (en) * | 2021-12-15 | 2022-04-26 | 重庆长安汽车股份有限公司 | Device and method for testing durability of automobile braking system |
| CN114397110B (en) * | 2021-12-15 | 2023-07-07 | 重庆长安汽车股份有限公司 | Durability testing device and method for automobile braking system |
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