CN109883732B - Brake pedal test control device - Google Patents
Brake pedal test control device Download PDFInfo
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- CN109883732B CN109883732B CN201910243391.2A CN201910243391A CN109883732B CN 109883732 B CN109883732 B CN 109883732B CN 201910243391 A CN201910243391 A CN 201910243391A CN 109883732 B CN109883732 B CN 109883732B
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Abstract
The invention discloses a brake pedal test control device, which comprises a base and a crank, wherein a torsion bar is arranged on the base in a manner of fixed shaft rotation, an assembly end of the crank is fixed in the middle of the torsion bar in a linkage manner, and a reset piece matched with the torsion bar is also arranged on the base; the brake pedal is matched with the brake pedal in parallel and is detachably connected with the bearing plate, a limiting pin penetrates through the bearing plate in the direction perpendicular to the main extension surface of the bearing plate, a limiting part which can be in contact fit with the two main extension surfaces of the bearing plate respectively is arranged on the limiting pin in an axially movable mode, and the limiting pin and the free end of the crank are connected in a linkage mode through an inhaul cable. The brake pedal test control device can enable the result of a vehicle brake test to be more accurate and reliable, and improve the corresponding test efficiency.
Description
Technical Field
The invention relates to the technical field of vehicle brake performance test corollary equipment, in particular to a brake pedal test control device.
Background
The brake performance test is an important link of the vehicle performance detection test. When a vehicle is subjected to a braking performance test in the prior stage, a test driver often cannot accurately control the force of a brake pedal so that a tester cannot judge whether the current test condition meets the corresponding detection requirement, and meanwhile, the test consistency is poor due to different vehicles or different positions of the brake pedal under different test conditions during braking at each time, so that the accuracy of judgment and evaluation of the braking performance of the test vehicle by the tester and the overall test efficiency are seriously influenced.
Therefore, how to make the result of the vehicle braking test more accurate and reliable and improve the corresponding test efficiency is an important technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
The invention aims to provide a brake pedal test control device which can enable the result of a vehicle brake test to be more accurate and reliable and improve the corresponding test efficiency.
In order to solve the technical problem, the invention provides a brake pedal test control device which comprises a base and a crank, wherein a torsion bar is arranged on the base in a fixed-shaft rotating manner, an assembly end of the crank is fixed in the middle of the torsion bar in a linkage manner, and a reset piece matched with the torsion bar is further arranged on the base;
the brake pedal is matched with the brake pedal in parallel and is detachably connected with the bearing plate, a limiting pin penetrates through the bearing plate in the direction perpendicular to the main extension surface of the bearing plate, a limiting part which can be in contact fit with the two main extension surfaces of the bearing plate respectively is arranged on the limiting pin in an axially movable mode, and the limiting pin and the free end of the crank are connected in a linkage mode through a pull rope.
Preferably, the two ends of the top surface of the base are respectively provided with a supporting platform, and the two ends of the torsion bar respectively penetrate through and extend out of each supporting platform.
Preferably, the reset piece is a torsion spring respectively clamped at two extending ends of the torsion bar.
Preferably, a crank pin is inserted into a free end of the crank in a fixed-axis rotating manner, and the inhaul cable is particularly connected between the crank pin and the limiting pin.
Preferably, the limiting part is a limiting nut in threaded fit with the limiting pin.
Compared with the background art, in the test operation process of the brake pedal test control device provided by the invention, the acting force which needs to be applied to the brake pedal under the current test condition is firstly determined, the corresponding preset limit position of the brake pedal is determined by using the dynamometer according to the preset acting force, and then the limit piece is adjusted to move to a proper position along the axial direction of the limit pin so as to limit the stepping action stroke interval corresponding to the preset limit position of the brake pedal; then when the tested vehicle normally runs, the brake pedal, the stay cable and the crank are all in initial positions, when the tested vehicle reaches the speed required by the corresponding brake performance test, a driver normally steps on the brake pedal to a limit position, at the moment, the supporting plate is linked with the brake pedal and drives the stay cable and the crank to correspondingly move to corresponding positions, the stepping force applied to the brake pedal by the driver is the preset acting force, under the state, due to the cooperative matching of the torsion bar and the reset piece, the driver cannot easily continue to step on the brake pedal, so that the purpose of reliably limiting the brake pedal in the current test process to ensure the test result is achieved, the driver keeps stepping on the limit position of the current brake pedal until the vehicle stops, releases the brake pedal to enable the brake pedal, the stay cable and the crank to recover to the initial positions to complete the single brake performance test, after a single test is finished, repeating the above operation procedures to perform multiple braking performance tests of the current vehicle to be tested so as to ensure that the final test result is more accurate and reliable; after the current vehicle test is finished, all components of the brake pedal test control device are taken down from the current vehicle and are reloaded to the next vehicle to be tested, and then the corresponding brake pedal test of the next vehicle can be implemented; if emergency stop is needed under special conditions in the brake performance detection test process, a driver can continuously link the torsion bar, the crank and the inhaul cable with the brake pedal by further increasing the trampling force to overcome the limit force applied by the reset piece to the torsion bar, so that the driver can continuously trample the brake pedal to the maximum stroke position to obtain the maximum brake force of the current vehicle, the vehicle can be ensured to be stably braked in time, the safety of the tester and the relevant personnel and equipment under the current working condition is ensured, after the vehicle is emergently braked, the driver releases the brake pedal, the reset force of the reset piece drives the torsion bar to reset, and the crank, the inhaul cable and the brake pedal are also driven by the torsion bar to be linked to reset to the initial position so as to smoothly implement the subsequent test.
In another preferred embodiment of the present invention, support tables are respectively disposed at two ends of the top surface of the base, and two ends of the torsion bar respectively penetrate through and extend out of the support tables. The support table can provide sufficient structural support for the two ends of the torsion bar, ensure stable and reliable assembly positions of the torsion bar and linkage matching parts such as a crank and an inhaul cable related to the torsion bar, and ensure the reliability of the whole structure of the brake pedal test control device, thereby ensuring more accurate and reliable corresponding brake performance test results.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a brake pedal test control device according to an embodiment of the present invention.
The device comprises a base 11, a support table 111, a crank 12, a crank pin 121, a torsion bar 13, a reset part 14, a bearing plate 15, a limit pin 151, a limit part 152 and a pull cable 16.
Detailed Description
The core of the invention is to provide a brake pedal test control device, which can enable the result of a vehicle brake test to be more accurate and reliable and improve the corresponding test efficiency.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a brake pedal test control device according to an embodiment of the present invention.
In the concrete implementation mode, the brake pedal test control device provided by the invention comprises a base 11 and a crank 12, wherein a torsion bar 13 is arranged on the base 11 in a fixed-shaft rotating manner, the assembling end of the crank 12 is fixed in the middle of the torsion bar 13 in a linkage manner, and a resetting piece 14 matched with the torsion bar 13 is further arranged on the base 11; the brake pedal is characterized by further comprising a bearing plate 15 which is matched with the brake pedal in a parallel mode and is detachably connected with the brake pedal, a limiting pin 151 penetrates through the bearing plate 15 in a direction perpendicular to the main extension surface of the bearing plate 15, limiting pieces 152 which are respectively in contact fit with the two main extension surfaces of the bearing plate 15 are axially movably arranged on the limiting pin 151, and the limiting pin 151 and the free end of the crank 12 are connected in a linkage mode through a pull cable 16.
In the test operation process, firstly, the acting force which needs to be applied to the brake pedal under the current test condition is determined, the corresponding preset limit position of the brake pedal is determined by using the dynamometer according to the preset acting force, and then the limiting piece 152 is adjusted to move to a proper position along the axial direction of the limiting pin 151 so as to limit the stepping action stroke interval corresponding to the preset limit position of the brake pedal; then when the tested vehicle normally runs, the brake pedal, the cable 16 and the crank 12 are all in initial positions, when the tested vehicle reaches the speed required by the corresponding brake performance test, the driver normally steps on the brake pedal to the limit position, at the moment, the supporting plate 15 is linked with the brake pedal and drives the cable 16 and the crank 12 to correspondingly move to the corresponding positions, the stepping force applied to the brake pedal by the driver is the preset acting force, in the state, due to the cooperative matching of the torsion bar 13 and the reset piece 14, the driver cannot easily continue to step on the brake pedal, so that the purpose of reliably limiting the brake pedal in the current test process to ensure the test result is achieved, the driver keeps stepping on the limit position of the current brake pedal until the brake pedal is released after the vehicle stops moving, so that the brake pedal, the cable 16 and the crank 12 are restored to the initial positions to complete the single brake performance test, after a single test is finished, repeating the above operation procedures to perform multiple braking performance tests of the current vehicle to be tested so as to ensure that the final test result is more accurate and reliable; after the current vehicle test is finished, all components of the brake pedal test control device are taken down from the current vehicle and are reloaded to the next vehicle to be tested, and then the corresponding brake pedal test of the next vehicle can be implemented; if emergency stop is needed under special conditions in the brake performance detection test process, after the driver steps on the brake pedal to an extreme position, the torsion bar 13, the crank 12 and the cable 16 can be continuously linked with the brake pedal only by further increasing the stepping force to overcome the limit force applied by the reset piece 14 to the torsion bar 13, so that the driver can continuously step on the brake pedal to a maximum stroke position to obtain the maximum brake force of the current vehicle, thereby ensuring that the vehicle can be stably braked in time, ensuring the safety of the tester and related personnel and equipment under the current working condition, after the vehicle is emergently braked, the driver releases the brake pedal, the reset force of the reset piece 14 drives the torsion bar 13 to reset at the moment, and the crank 12, the cable 16 and the brake pedal are also driven by the torsion bar 13 to be linked and reset to an initial position so as to smoothly implement the subsequent tests.
Further, support bases 111 are provided at both ends of the top surface of the base 11, and both ends of the torsion bar 13 penetrate and extend out of the support bases 111. The support table 111 can provide sufficient structural support for the two ends of the torsion bar 13, ensure stable and reliable assembly positions of the torsion bar 13 and the related linkage matching parts such as the crank 12 and the inhaul cable 16, and ensure the reliability of the whole structure of the brake pedal test control device, thereby ensuring more accurate and reliable corresponding brake performance test results.
More specifically, the reset member 14 is a torsion spring that is respectively engaged with two protruding ends of the torsion bar 13. The torsion spring is simple and reliable in structure, sufficient and stable in torsion resetting force, and capable of fully meeting the resetting requirement of the torsion bar 13.
On the other hand, the crank pin 121 is inserted into the free end of the crank 12 to be rotatable, and the cable 16 is connected between the crank pin 121 and the stopper pin 151. The crank pin 121 can improve structural adaptability and assembly reliability between the crank 12 and the cable 16, and the pin body structural part can be properly twisted and linked along with the action of the cable 16, so that the linkage effect and the operation efficiency between the brake pedal, the cable 16 and the crank 12 are ensured.
The stopper 152 is a stopper nut screwed to the stopper pin 151. The limiting nut is simple and reliable in structure and can be fully matched with the limiting pin 151, and therefore the related limiting effect and the component structural strength of the brake pedal are further improved.
In summary, in the test operation process of the brake pedal test control device provided by the invention, the acting force required to be applied to the brake pedal under the current test condition is firstly determined, the preset limit position corresponding to the brake pedal is determined by using the dynamometer according to the preset acting force, and then the limiting piece is adjusted to move to the appropriate position along the axial direction of the limiting pin so as to limit the stepping action stroke interval corresponding to the preset limit position of the brake pedal; then when the tested vehicle normally runs, the brake pedal, the stay cable and the crank are all in initial positions, when the tested vehicle reaches the speed required by the corresponding brake performance test, a driver normally steps on the brake pedal to a limit position, at the moment, the supporting plate is linked with the brake pedal and drives the stay cable and the crank to correspondingly move to corresponding positions, the stepping force applied to the brake pedal by the driver is the preset acting force, under the state, due to the cooperative matching of the torsion bar and the reset piece, the driver cannot easily continue to step on the brake pedal, so that the purpose of reliably limiting the brake pedal in the current test process to ensure the test result is achieved, the driver keeps stepping on the limit position of the current brake pedal until the vehicle stops, releases the brake pedal to enable the brake pedal, the stay cable and the crank to recover to the initial positions to complete the single brake performance test, after a single test is finished, repeating the above operation procedures to perform multiple braking performance tests of the current vehicle to be tested so as to ensure that the final test result is more accurate and reliable; after the current vehicle test is finished, all components of the brake pedal test control device are taken down from the current vehicle and are reloaded to the next vehicle to be tested, and then the corresponding brake pedal test of the next vehicle can be implemented; if emergency stop is needed under special conditions in the brake performance detection test process, a driver can continuously link the torsion bar, the crank and the inhaul cable with the brake pedal by further increasing the trampling force to overcome the limit force applied by the reset piece to the torsion bar, so that the driver can continuously trample the brake pedal to the maximum stroke position to obtain the maximum brake force of the current vehicle, the vehicle can be ensured to be stably braked in time, the safety of the tester and the relevant personnel and equipment under the current working condition is ensured, after the vehicle is emergently braked, the driver releases the brake pedal, the reset force of the reset piece drives the torsion bar to reset, and the crank, the inhaul cable and the brake pedal are also driven by the torsion bar to be linked to reset to the initial position so as to smoothly implement the subsequent test.
The brake pedal test control device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. A brake pedal test control device is characterized in that: the torsion bar type hydraulic lifting device comprises a base and a crank, wherein a torsion bar is arranged on the base in a fixed-shaft rotating mode, an assembly end of the crank is fixed in the middle of the torsion bar in a linkage mode, and a resetting piece matched with the torsion bar is further arranged on the base;
the brake pedal is matched with the brake pedal in parallel and is detachably connected with the bearing plate, a limiting pin penetrates through the bearing plate in the direction perpendicular to the main extension surface of the bearing plate, a limiting part which can be in contact fit with the two main extension surfaces of the bearing plate respectively is arranged on the limiting pin in an axially movable mode, and the limiting pin and the free end of the crank are connected in a linkage mode through a pull rope.
2. The brake pedal test control apparatus according to claim 1, characterized in that: supporting tables are arranged at two ends of the top surface of the base respectively, and two ends of the torsion bar penetrate through and extend out of the supporting tables respectively.
3. The brake pedal test control apparatus according to claim 2, characterized in that: the reset piece is respectively clamped and connected with the torsion springs at the two extending ends of the torsion bar.
4. The brake pedal test control apparatus according to claim 1, characterized in that: the free end of the crank is inserted with a crank pin in a fixed-shaft rotating mode, and the inhaul cable is specifically connected between the crank pin and the limiting pin.
5. The brake pedal test control apparatus according to claim 1, characterized in that: the limiting part is a limiting nut in threaded fit with the limiting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910243391.2A CN109883732B (en) | 2019-03-28 | 2019-03-28 | Brake pedal test control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910243391.2A CN109883732B (en) | 2019-03-28 | 2019-03-28 | Brake pedal test control device |
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| Publication Number | Publication Date |
|---|---|
| CN109883732A CN109883732A (en) | 2019-06-14 |
| CN109883732B true CN109883732B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910243391.2A Active CN109883732B (en) | 2019-03-28 | 2019-03-28 | Brake pedal test control device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19701637A1 (en) * | 1997-01-20 | 1998-07-23 | Mannesmann Vdo Ag | Foot-pedal-operated input with angular measurement e.g. for motor vehicle control-by-wire |
| DE19916434B4 (en) * | 1999-04-12 | 2006-04-06 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Electromechanically driven swiveling pedal |
| CN201553032U (en) * | 2009-09-27 | 2010-08-18 | 河北深海电器有限公司 | Electronic accelerator pedal assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3506726B2 (en) * | 1993-05-20 | 2004-03-15 | 株式会社クボタ | Lawn mower traveling equipment |
| CN2320486Y (en) * | 1998-03-04 | 1999-05-26 | 杨尚平 | Front-tipping lockover mechanism for flat-head vehicle driver's cab |
| FR2790227B1 (en) * | 1999-02-26 | 2001-05-11 | Thomson Csf | DEVICE FOR CONTROLLING THE DEACTIVATION OF AN AUTOMATIC VEHICLE PACE REGULATION SYSTEM |
| CN201364243Y (en) * | 2009-03-18 | 2009-12-16 | 洛阳西苑车辆与动力检验所有限公司 | Adjustable device for controlling travel of brake pedal in tractor brake test |
| CN206537149U (en) * | 2017-03-16 | 2017-10-03 | 青岛金鹏联创机械科技有限公司 | A kind of novel clutch pedal-rod |
| CN207318121U (en) * | 2017-11-08 | 2018-05-04 | 奥测世纪（天津）技术有限公司 | A kind of brake-pedal of automobile limit detection platform |
-
2019
- 2019-03-28 CN CN201910243391.2A patent/CN109883732B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19701637A1 (en) * | 1997-01-20 | 1998-07-23 | Mannesmann Vdo Ag | Foot-pedal-operated input with angular measurement e.g. for motor vehicle control-by-wire |
| DE19916434B4 (en) * | 1999-04-12 | 2006-04-06 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Electromechanically driven swiveling pedal |
| CN201553032U (en) * | 2009-09-27 | 2010-08-18 | 河北深海电器有限公司 | Electronic accelerator pedal assembly |
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| Publication number | Publication date |
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| CN109883732A (en) | 2019-06-14 |
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