CN109109663B - Racing car pedal system with bionic curved surface structure - Google Patents
Racing car pedal system with bionic curved surface structure Download PDFInfo
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- CN109109663B CN109109663B CN201810792532.1A CN201810792532A CN109109663B CN 109109663 B CN109109663 B CN 109109663B CN 201810792532 A CN201810792532 A CN 201810792532A CN 109109663 B CN109109663 B CN 109109663B
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- pedal
- brake
- curved surface
- surface structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
Abstract
The invention particularly relates to a racing car pedal system with a bionic curved surface structure, which solves the problems that the existing pedal system is complex in structure, difficult to adjust, delays the braking time and even influences the safety of a driver. A pedal base is fixed on the bracket, a pedal lug plate is fixed on the pedal base, a brake pedal and an accelerator pedal are hinged on the pedal lug plate, brake panels are fixed on the front sides of the tops of the brake pedal and the accelerator pedal, an accelerator pull rod is arranged on the rear side of the accelerator pedal, a brake master cylinder is arranged behind the brake pedal, and a balance rod is arranged between the brake master cylinder and the brake pedal; the shape of the rear end face contour curve AB of the brake pedal is the shape of the contour curve of the shell of the turtle under the simulated static state, and the shape of the rear end face contour curve CD of the brake panel is the shape of the contour curve of the sole of the gecko under the simulated static state. The invention has compact structure, convenient installation and adjustment, improves the skid resistance by 10 to 25 percent, and shortens the response time of the pedal by 0.3 to 0.6 s.
Description
Technical Field
The invention relates to an automobile pedal system, in particular to a racing car pedal system with a bionic curved surface structure.
Background
For racing cars, excellent power performance is critical to speed acquisition, while the brake system is one of the key systems for FSAE, which ensures the safety of the driver and the racing car.
Because the current pedal system structure is complicated, is difficult to adjust, and the pedal is insufficient to the spacing antiskid function of foot, lead to the car driver to delay best braking opportunity very probably, lead to the achievement not good, influence car driver's safety when serious.
Disclosure of Invention
The invention provides a racing car pedal system with a bionic curved surface structure, which aims to solve the problems that the existing pedal system is complex in structure, difficult to adjust, delays braking time and even influences the safety of a driver.
The invention is realized by adopting the following technical scheme: a racing car pedal system with a bionic curved surface structure comprises a support fixed on a car frame, wherein a pedal base is fixed on the support, pedal lugs distributed on the left and the right are fixed on the pedal base, a brake pedal is hinged on the pedal lug on the left side, an accelerator pedal is hinged on the pedal lug on the right side, brake panels are fixed on the front sides of the tops of the brake pedal and the accelerator pedal, an accelerator pull rod is arranged on the rear side of the accelerator pedal, a brake master cylinder is arranged behind the brake pedal, and a balance rod connected with the brake master cylinder and the brake pedal is arranged between the brake master cylinder and the brake pedal; the shape of the rear end face contour curve AB of the brake pedal is the shape of the contour curve of the shell of the turtle under the simulated static state, and the shape of the rear end face contour curve CD of the brake panel is the shape of the contour curve of the sole of the gecko under the simulated static state.
The bionic curved surface structure in the structural design is realized by adopting a research method of image processing and MATLAB function fitting, a pedal structure is established by utilizing simulation, the pedal assembly structure is optimized under the condition of meeting the requirements of strength and fatigue, the installation and the adjustment are convenient, meanwhile, the anti-skid performance of a pedal surface is increased, the response time of the pedal is shortened, and the problems that the existing pedal system is complex in structure, difficult to adjust, delays the braking time and even influences the safety of a driver are solved.
The equation of the profile curve AB of the rear end face of the brake pedal is f (x) p1x2+p2x+p3Wherein the parameter p1The value range of (1) is-0.017 to-0.016, and the parameter p2Has a value in the range of 4.25 to 4.53 and a parameter p3The value range of (a) is-295.3 to-280.6.
The equation of the profile curve CD of the rear end face of the brake panel is f (x) p1x2+p2x+p3Wherein the parameter p1Has a value range of-0.4 to-0.3 and a parameter p2Has a value in the range of-35 to-28 and a parameter p3Is in the range of 2 to 20.
The adjustment range of the included angle α between the master cylinder and the brake pedal is 30-90 degrees.
The height H of the brake pedal is 190mm-210mm, and the width D of the brake pedal is 30mm-50 mm.
Four adjusting holes with the diameter of 6mm are vertically arranged on the accelerator pedal, and the distance X between two adjacent adjusting holes is 15-45 mm.
The brake panel is prepared from epoxy resin and a T-31 curing agent according to the mass ratio of 4: 1, and 8-16K carbon fiber cloth is pressed and bonded on the outer surface of the brake panel, and the pressure is 30-50 Kg.
The racing car pedal system optimizes the assembly structure of the pedal under the condition of meeting the requirements of strength and fatigue, has compact structure, saves arrangement space, is convenient to install and adjust, increases the anti-skid performance of the pedal surface, improves the anti-skid performance by 10 to 25 percent compared with the common pedal surface, shortens the response time of the pedal by 0.3 to 0.6s, and ensures that a braking system is safer and more reliable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of FIG. 1;
FIG. 3 is a schematic structural view of the brake pedal of FIG. 1;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a schematic structural view of the oil gate pedal of fig. 1.
In the figure: 1-bracket, 2-pedal base, 3-pedal ear plate, 4-brake pedal, 5-accelerator pedal, 6-brake panel, 7-accelerator pull rod, 8-brake master cylinder, 9-balance rod and 10-adjusting hole.
Detailed Description
Example 1
A racing car pedal system with a bionic curved surface structure comprises a support 1 fixed on a car frame, a pedal base 2 is fixed on the support 1, pedal lugs 3 distributed left and right are fixed on the pedal base 2, a brake pedal 4 is hinged on the pedal lug 3 positioned on the left side, an accelerator pedal 5 is hinged on the pedal lug 3 positioned on the right side, brake panels 6 are fixed on the front sides of the tops of the brake pedal 4 and the accelerator pedal 5, an accelerator pull rod 7 is arranged on the rear side of the accelerator pedal 5, a brake master cylinder 8 is arranged behind the brake pedal 4, and a balance rod 9 connected with the brake master cylinder 8 and the brake pedal 4 is arranged between the brake master cylinder 8 and the brake pedal 4; the shape of the rear end face contour curve AB of the brake pedal 4 is the shape of the contour curve of the turtle shell under the simulated static state, and the shape of the rear end face contour curve CD of the brake panel 6 is the shape of the contour curve of the sole of the gecko under the simulated static state.
The rear end profile curve AB of the brake pedal 4 has the equation f (x) p1x2+p2x+p3Wherein the parameter p1Has a value of-0.016 and a parameter p2Is 4.25, parameter p3Is-280.6, wherein x is in the range of-28 mm to 17 mm.
The rear end profile CD of the brake panel 6 has the equation f (x) p1x2+p2x+p3Wherein the parameter p1Has a value of-0.4 and a parameter p2Has a value of-30.2 and a parameter p3The value of (a) is 20, wherein the value of x ranges from-108 mm to 32 mm.
The angle α between the master cylinder 8 and the brake pedal 4 is 30 °.
The height H of the brake pedal 4 is 190mm, and the width D is 30 mm.
Four adjusting holes 10 with the diameter of 6mm are vertically arranged on the accelerator pedal 5, and the distance X between two adjacent adjusting holes 10 is 15 mm.
The brake panel 6 is prepared from epoxy resin and a T-31 curing agent according to the mass ratio of 4: 1, and 8K carbon fiber cloth is pressed and bonded on the outer surface of the brake panel 6, and the pressure is 30 Kg.
A pedal model is established in an ANSYS Workbench Static Structural module, grids are divided in a Mesh module, Structural Optimization is carried out in Shape Optimization topology Optimization, the force of a brake pedal is set to be 1000N, the response time of a monitoring pedal system is shortened by 0.35s, and the antiskid rate is improved by 14%.
Example 2
A racing car pedal system with a bionic curved surface structure comprises a support 1 fixed on a car frame, a pedal base 2 is fixed on the support 1, pedal lugs 3 distributed left and right are fixed on the pedal base 2, a brake pedal 4 is hinged on the pedal lug 3 positioned on the left side, an accelerator pedal 5 is hinged on the pedal lug 3 positioned on the right side, brake panels 6 are fixed on the front sides of the tops of the brake pedal 4 and the accelerator pedal 5, an accelerator pull rod 7 is arranged on the rear side of the accelerator pedal 5, a brake master cylinder 8 is arranged behind the brake pedal 4, and a balance rod 9 connected with the brake master cylinder 8 and the brake pedal 4 is arranged between the brake master cylinder 8 and the brake pedal 4; the shape of the rear end face contour curve AB of the brake pedal 4 is the shape of the contour curve of the turtle shell under the simulated static state, and the shape of the rear end face contour curve CD of the brake panel 6 is the shape of the contour curve of the sole of the gecko under the simulated static state.
The rear end profile curve AB of the brake pedal 4 has the equation f (x) p1x2+p2x+p3Wherein the parameter p1Is-0.017, parameter p2Has a value of 4.53 and a parameter p3The value of (a) is-295.3, wherein the value range of x is limited to-28 mm to 17 mm.
The rear end profile CD of the brake panel 6 has the equation f (x) p1x2+p2x+p3Wherein the parameter p1Has a value of-0.3 and a parameter p2Has a value of-35 and a parameter p3The value of (a) is 2, wherein the value of x ranges from-108 mm to 32 mm.
The angle α between the master cylinder 8 and the brake pedal 4 is 45 °.
The brake pedal 4 has a height H of 200mm and a width D of 40 mm.
Four adjusting holes 10 with the diameter of 6mm are vertically arranged on the accelerator pedal 5, and the distance X between two adjacent adjusting holes 10 is 30 mm.
The brake panel 6 is prepared from epoxy resin and a T-31 curing agent according to the mass ratio of 4: 1, and 8K carbon fiber cloth is pressed and bonded on the outer surface of the brake panel 6, and the pressure is 40 Kg.
A pedal model is established in an ANSYS Workbench Static Structural module, grids are divided in a Mesh module, Structural Optimization is carried out in Shape Optimization topology Optimization, the force of a brake pedal is set to be 1000N, the response time of a monitoring pedal system is shortened by 0.46s, and the antiskid rate is improved by 18%.
Example 3
A racing car pedal system with a bionic curved surface structure comprises a support 1 fixed on a car frame, a pedal base 2 is fixed on the support 1, pedal lugs 3 distributed left and right are fixed on the pedal base 2, a brake pedal 4 is hinged on the pedal lug 3 positioned on the left side, an accelerator pedal 5 is hinged on the pedal lug 3 positioned on the right side, brake panels 6 are fixed on the front sides of the tops of the brake pedal 4 and the accelerator pedal 5, an accelerator pull rod 7 is arranged on the rear side of the accelerator pedal 5, a brake master cylinder 8 is arranged behind the brake pedal 4, and a balance rod 9 connected with the brake master cylinder 8 and the brake pedal 4 is arranged between the brake master cylinder 8 and the brake pedal 4; the shape of the rear end face contour curve AB of the brake pedal 4 is the shape of the contour curve of the turtle shell under the simulated static state, and the shape of the rear end face contour curve CD of the brake panel 6 is the shape of the contour curve of the sole of the gecko under the simulated static state.
The rear end profile curve AB of the brake pedal 4 has the equation f (x) p1x2+p2x+p3Wherein the parameter p1Is-0.017, parameter p2Has a value of 4.28 and a parameter p3The value of (a) is-290.5, wherein the value of x ranges from-28 mm to 17 mm.
The rear end profile CD of the brake panel 6 has the equation f (x) p1x2+p2x+p3Wherein the parameter p1Has a value range of-0.35 and a parameter p2Has a value of-28, parameter p3Is 18, wherein x is in the range of-108 mm to 32 mm.
The angle α between the master cylinder 8 and the brake pedal 4 is adjusted to 90 °.
The brake pedal 4 has a height H of 210mm and a width D of 50 mm.
Four adjusting holes 10 with the diameter of 6mm are vertically arranged on the accelerator pedal 5, and the distance X between two adjacent adjusting holes 10 is 45 mm.
The brake panel 6 is prepared from epoxy resin and a T-31 curing agent according to the mass ratio of 4: 1, and 16K carbon fiber cloth is pressed and bonded on the outer surface of the brake panel 6, and the pressure is 50 Kg.
A pedal model is established in an ANSYS Workbench Static Structural module, grids are divided in a Mesh module, Structural Optimization is carried out in Shape Optimization topology Optimization, the force of a brake pedal is set to be 1000N, the response time of a monitoring pedal system is shortened by 0.58s, and the antiskid rate is improved by 24%.
Claims (5)
1. The utility model provides a cycle racing footboard system with bionical curved surface structure which characterized in that: comprises a bracket (1) fixed on a frame, a pedal base (2) fixed on the bracket (1),the pedal base (2) is fixed with pedal lugs (3) distributed left and right, the pedal lug (3) positioned on the left side is hinged with a brake pedal (4), the pedal lug (3) positioned on the right side is hinged with an accelerator pedal (5), the front sides of the tops of the brake pedal (4) and the accelerator pedal (5) are both fixed with a brake panel (6), the rear side of the accelerator pedal (5) is provided with an accelerator pull rod (7), the rear side of the brake pedal (4) is provided with a brake master cylinder (8), and a balance rod (9) connected with the brake master cylinder (8) and the brake pedal (4) is arranged between the brake master cylinder (8) and the brake pedal (4); the shape of a rear end face contour curve AB of the brake pedal (4) is a contour curve shape imitating the contour of a tortoise shell under a static state, and the shape of a rear end face contour curve CD of the brake panel (6) is a contour curve shape imitating the contour of a tiger sole under a static state; the rear end face contour curve AB equation of the brake pedal (4) is f (x) p1x2+p2x+p3Wherein the parameter p1The value range of (1) is-0.017 to-0.016, and the parameter p2Has a value in the range of 4.25 to 4.53 and a parameter p3The value range of (a) is-295.3 to-280.6, wherein the value range of x is-28 mm to 17 mm; the rear end face profile curve CD equation of the brake panel (6) is f (x) p1x2+p2x+p3Wherein the parameter p1Has a value range of-0.4 to-0.3 and a parameter p2Has a value in the range of-35 to-28 and a parameter p3The value of (a) is in the range of 2 to 20, wherein x is in the range of-108 mm to 32 mm.
2. The racing pedal system with the bionic curved surface structure as claimed in claim 1, wherein the adjustment range of the included angle α between the master cylinder (8) and the brake pedal (4) is 30-90 °.
3. The racing pedal system of claim 1, wherein the race pedal system has a bionic curved surface structure, and the bionic curved surface structure comprises: the height H of the brake pedal (4) is 190mm-210mm, and the width D is 30mm-50 mm.
4. The racing pedal system of claim 1, wherein the race pedal system has a bionic curved surface structure, and the bionic curved surface structure comprises: four adjusting holes (10) with the diameter of 6mm are vertically arranged on the accelerator pedal (5), and the distance X between two adjacent adjusting holes (10) is 15-45 mm.
5. The racing pedal system having a bionic curved surface structure as claimed in claim 1, 2, 3 or 4, wherein: the brake panel (6) is prepared from epoxy resin and a T-31 curing agent according to the mass ratio of 4: 1, and 8-16K carbon fiber cloth is pressed and bonded on the outer surface of the brake panel (6) under the pressure of 30-50 Kg.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792532.1A CN109109663B (en) | 2018-07-18 | 2018-07-18 | Racing car pedal system with bionic curved surface structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792532.1A CN109109663B (en) | 2018-07-18 | 2018-07-18 | Racing car pedal system with bionic curved surface structure |
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| CN109109663A CN109109663A (en) | 2019-01-01 |
| CN109109663B true CN109109663B (en) | 2020-05-05 |
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| CN201810792532.1A Active CN109109663B (en) | 2018-07-18 | 2018-07-18 | Racing car pedal system with bionic curved surface structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329226A (en) * | 2019-07-29 | 2019-10-15 | 康凯 | Automatic catch automobile left foot brake gear |
| CN110979273B (en) * | 2019-10-28 | 2024-04-19 | 哈尔滨工业大学（威海） | Rapid adjusting device for FSAE racing car pedal |
Citations (5)
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|---|---|---|---|---|
| EP1385077A1 (en) * | 2002-07-26 | 2004-01-28 | Dura Global Technologies, Inc. | Plastic adjustable accelerator pedal with internal drive mechanism |
| CN203611753U (en) * | 2013-12-03 | 2014-05-28 | 潍柴动力股份有限公司 | Engineering vehicle accelerator pedal |
| CN203945973U (en) * | 2013-12-20 | 2014-11-19 | 同济大学 | A kind of movably racing car pedal assembly |
| WO2015075954A1 (en) * | 2013-11-21 | 2015-05-28 | 豊田鉄工株式会社 | Vehicular operating pedal |
| CN206552016U (en) * | 2017-02-16 | 2017-10-13 | 华侨大学 | A kind of new FSAE racing cars pedal assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170043662A1 (en) * | 2014-04-23 | 2017-02-16 | Daryl PERUSIC | Improvements in vehicle mounted pedal box assemblies |
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2018
- 2018-07-18 CN CN201810792532.1A patent/CN109109663B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1385077A1 (en) * | 2002-07-26 | 2004-01-28 | Dura Global Technologies, Inc. | Plastic adjustable accelerator pedal with internal drive mechanism |
| WO2015075954A1 (en) * | 2013-11-21 | 2015-05-28 | 豊田鉄工株式会社 | Vehicular operating pedal |
| CN203611753U (en) * | 2013-12-03 | 2014-05-28 | 潍柴动力股份有限公司 | Engineering vehicle accelerator pedal |
| CN203945973U (en) * | 2013-12-20 | 2014-11-19 | 同济大学 | A kind of movably racing car pedal assembly |
| CN206552016U (en) * | 2017-02-16 | 2017-10-13 | 华侨大学 | A kind of new FSAE racing cars pedal assembly |
Non-Patent Citations (1)
| Title |
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| 仿生智能电子油门踏板的设计与实现;李国峰;《计算机测量与控制》;20110531;第19卷(第5期);第1161-1163页 * |
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