CN114814421A - Vehicle speed adjusting device and method - Google Patents

Vehicle speed adjusting device and method Download PDF

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Publication number
CN114814421A
CN114814421A CN202210416727.2A CN202210416727A CN114814421A CN 114814421 A CN114814421 A CN 114814421A CN 202210416727 A CN202210416727 A CN 202210416727A CN 114814421 A CN114814421 A CN 114814421A
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CN
China
Prior art keywords
steering wheel
pedal
adjusting
connecting rod
fixing
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Pending
Application number
CN202210416727.2A
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Chinese (zh)
Inventor
付英达
张凯
林艳萍
韩宏纪
贾佳
朱涵
张佳宝
刘乃嘉
刘鑫宇
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FAW Group Corp
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FAW Group Corp
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Priority to CN202210416727.2A priority Critical patent/CN114814421A/en
Publication of CN114814421A publication Critical patent/CN114814421A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/001Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005Testing of electric installations on transport means
    • G01R31/006Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Mechanical Control Devices (AREA)

Abstract

The embodiment of the invention discloses a vehicle speed adjusting device and a vehicle speed adjusting method. The device includes: the device comprises a steering wheel fixing assembly, a length adjusting rod and a pedal height adjusting assembly; the steering wheel fixing assembly is connected with the length adjusting rod and used for fixing a steering wheel of a target vehicle during simulation test; the length adjusting rod is connected with the pedal height adjusting assembly and used for adjusting the angle between the accelerator pedal and the reference plane by adjusting the telescopic length of the length adjusting rod when the accelerator pedal is fixed based on the pedal height adjusting assembly, so that the speed of the target vehicle can be adjusted by adjusting the angle. The problem of among the prior art based on speed governing robot control regulation speed of a motor vehicle, the speed of a motor vehicle control cost height that leads to is solved, realize when reducing the cost of speed of a motor vehicle control, guarantee not have electromagnetic interference, reach the effect that improves the measuring accuracy.

Description

Vehicle speed adjusting device and method
Technical Field
The embodiment of the invention relates to the field of vehicles, in particular to a vehicle speed adjusting device and method.
Background
With the development trend of automobile electromotion and intellectualization, the automobile is equipped with electronic systems such as environment sensing, calculation, control, drive and communication, but the work safety of these electronic systems is closely related to the electromagnetic compatibility performance, wherein, the electromagnetic compatibility (EMC) refers to the ability of the vehicle to operate in an electromagnetic environment in compliance with the requirements without generating intolerable electromagnetic interference to any device in the environment. Therefore, reasonably and effectively checking the electromagnetic compatibility of the vehicle is an important direction for guaranteeing the safe driving of the vehicle.
At present, in the process of the electromagnetic compatibility test of the whole vehicle, the whole vehicle is usually required to carry out the electromagnetic compatibility test at a certain set running speed, for example, the vehicle is required to carry out the test at the speeds of 16km/h, 40km/h and 70km/h respectively. The existing method for maintaining the vehicle speed usually utilizes a speed-regulating robot to control the vehicle speed, although the speed-regulating robot can carry out speed-regulating control, the cost is high, and in the process of electromagnetic compatibility test, an electromagnetic signal is easily introduced into a motor or an air pump device carried by the robot, so that the test result of the vehicle is seriously influenced, and the test accuracy is reduced.
Disclosure of Invention
The embodiment of the invention provides a vehicle speed adjusting device and method, which aim to reduce the cost of vehicle speed control, ensure no electromagnetic interference and achieve the technical effect of improving the test precision.
In a first aspect, an embodiment of the present invention further provides a vehicle speed adjusting device, including:
the device comprises a steering wheel fixing assembly, a length adjusting rod and a pedal height adjusting assembly;
the steering wheel fixing assembly is connected with the length adjusting rod and used for fixing a steering wheel of a target vehicle during simulation test;
the length adjusting rod is connected with the pedal height adjusting assembly and used for adjusting the angle between the accelerator pedal and a reference plane by adjusting the telescopic length of the length adjusting rod when the accelerator pedal is fixed on the basis of the pedal height adjusting assembly, so that the speed of the target vehicle is adjusted by adjusting the angle.
In a second aspect, an embodiment of the present invention provides a vehicle speed adjustment method, including:
fixing a steering wheel of a target vehicle through the steering wheel fixing component during a simulation test;
when the accelerator pedal is fixed on the basis of the pedal height adjusting assembly, the angle between the accelerator pedal and the reference plane is adjusted by adjusting the telescopic length of the length adjusting rod, so that the speed of the target vehicle is adjusted by adjusting the angle.
According to the technical scheme of the embodiment of the invention, the steering wheel is fixed through the steering wheel fixing component during simulation test; when the accelerator pedal is fixed based on the pedal height adjusting assembly, the angle between the accelerator pedal and the reference plane is adjusted by adjusting the telescopic length and/or the bending angle of the length adjusting rod, so as to adjust the speed of the target vehicle by adjusting the angle, solve the problem of high speed control cost caused by controlling and adjusting the speed based on a speed-adjusting robot in the prior art, realize the fixation of the steering wheel of the target vehicle by a steering wheel fixing component, the accelerator pedal of the target vehicle is fixed through the pedal height adjusting assembly, the angle between the accelerator pedal and the reference horizontal plane is adjusted through adjusting the telescopic length of the length adjusting rod, further adjusting the speed of the target vehicle to keep the target vehicle at a certain speed for operation during the simulation test, the test cost is reduced, meanwhile, no electromagnetic interference exists, and the technical effect of improving the test precision is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, a brief description is given below of the drawings used in describing the embodiments. It is clear that the described figures are only figures of a part of the embodiments of the invention to be described, not all figures, and that for a person skilled in the art, without inventive effort, other figures can also be derived from them.
Fig. 1 is a block diagram of a vehicle speed adjusting device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a steering wheel fixing assembly according to a first embodiment of the present invention;
FIG. 3 is a schematic view of an angle adjustment joint according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a length adjustment rod according to a first embodiment of the present invention;
FIG. 5 is a schematic structural view of a pedal height adjustment assembly according to an embodiment of the present invention;
fig. 6 is a flowchart of a vehicle speed adjusting method according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a block diagram of a vehicle speed adjusting device according to a first embodiment of the present invention, which is applicable to a condition of controlling a vehicle speed, and referring to fig. 1, the vehicle speed adjusting device according to the present embodiment includes: a steering wheel securing assembly 110, a length adjustment rod 120, and a pedal height adjustment assembly 130. The structural composition of the vehicle speed adjusting device of the present embodiment will be specifically described below.
The steering wheel fixing component 110 is connected with the length adjusting rod 120 and is used for fixing a steering wheel of a target vehicle during a simulation test;
the length adjustment rod 120 is connected to the pedal height adjustment assembly 130, and is configured to adjust an angle between the accelerator pedal and a reference plane by adjusting a telescopic length of the length adjustment rod 120 when the accelerator pedal is fixed based on the pedal height adjustment assembly 130, so that the speed of the target vehicle is adjusted by adjusting the angle.
In this embodiment, the steering wheel fixing assembly is connected with the length adjustment lever, and the length adjustment lever is connected with the pedal height adjustment assembly. The steering wheel of the target vehicle is fixed through the steering wheel fixing component 110, the accelerator pedal of the target vehicle is fixed through the pedal height adjusting component 130, the angle between the accelerator pedal and the reference horizontal plane is adjusted through adjusting the telescopic length of the length adjusting rod 120, and then the speed of the target vehicle is adjusted, so that the target vehicle can be kept at a certain speed to operate during a simulation test. For example, in an electromagnetic compatibility test scene, the vehicle speed adjusting device based on the technical scheme adjusts and controls a target vehicle to operate at a certain vehicle speed, electromagnetic interference is not introduced in the test process, and the test precision can be greatly improved.
According to the embodiment of the invention, during simulation test, the steering wheel is fixed through the steering wheel fixing component; when the accelerator pedal is fixed based on the pedal height adjusting assembly, the angle between the accelerator pedal and the reference plane is adjusted by adjusting the telescopic length and/or the bending angle of the length adjusting rod, so as to adjust the speed of the target vehicle by adjusting the angle, solve the problem of high speed control cost caused by controlling and adjusting the speed based on a speed-adjusting robot in the prior art, realize the fixation of the steering wheel of the target vehicle by a steering wheel fixing component, the accelerator pedal of the target vehicle is fixed through the pedal height adjusting assembly, the angle between the accelerator pedal and the reference horizontal plane is adjusted through adjusting the telescopic length of the length adjusting rod, further adjusting the speed of the target vehicle to keep the target vehicle at a certain speed for operation during the simulation test, the test cost is reduced, meanwhile, no electromagnetic interference exists, and the technical effect of improving the test precision is achieved.
With continued reference to fig. 1 based on the above-described embodiment, the steering wheel securing assembly 110 includes: an angle adjusting lever 210, a steering wheel fixing handle 220, a steering wheel fixing top plate 230, and a steering wheel fixing top pin 240;
one end of the angle adjusting rod 210 is connected to the length adjusting rod 120, and the other end is connected to the steering wheel fixing buckle 220 through a bolt;
the steering wheel fixing handle 220 is connected to the steering wheel fixing top plate 230 through the steering wheel fixing top pin 240, and is configured to push the steering wheel fixing top plate 230 through the steering wheel fixing top pin 240, so that the steering wheel fixing top plate 230 is close to a fixed steering wheel to a lower side of the steering wheel fixing handle 220.
In this embodiment, one end of the angle adjusting lever 210 is connected to the length adjusting lever 120, the other end is connected to the steering wheel fixing handle 220 by a bolt, and the steering wheel fixing handle 220 is connected to the steering wheel fixing top plate 230 by the steering wheel fixing top pin 240. The steering wheel of the target vehicle may be placed between the steering wheel fixing top plate 230 and the lower side end of the steering wheel fixing handle 220, and when the steering wheel fixing top pin 240 is pushed, the steering wheel fixing top plate 230 approaches to the lower side of the steering wheel fixing handle 220, so that the steering wheel is clamped and fixed based on the lower side ends of the steering wheel fixing top plate 230 and the steering wheel fixing handle 220, the steering wheel is prevented from moving, and interference to the vehicle speed is reduced.
On the basis of the above embodiment, with continued reference to fig. 1, the steering wheel fixing assembly 110 further includes:
the lower side of the steering wheel fixing buckle 220 is provided with two right-angle hook structures, and the upper side of the steering wheel fixing buckle 220 is provided with a first circular through hole and a second circular through hole;
the steering wheel fixing top pin 240 penetrates through the first circular through hole to be connected with the steering wheel fixing top plate 230, and is used for pushing the steering wheel fixing top plate 230 when the steering wheel fixing top pin 240 is rotated, so that the steering wheel fixing top plate 230 is close to a fixed steering wheel towards the lower side of the steering wheel fixing handle 220.
Wherein, the inner side wall of the first cylinder hole is provided with a thread; the outer side wall of the steering wheel fixing ejector pin is provided with threads.
In this embodiment, the lower side of the steering wheel fixing handle 220 is two right-angle hook structures, and the upper side of the steering wheel fixing handle 220 is provided with two circular through holes respectively serving as a first circular through hole and a second circular through hole. The steering wheel fixing top pin 240 is coupled with the steering wheel fixing top plate 230 by being threaded through the first circular through hole. The steering wheel fixing top pin 240 can be pushed to move by rotating the thread of the steering wheel fixing top pin 240, and further the steering wheel fixing top plate 230 is pushed to approach the lower side end of the steering wheel fixing handle 220 until the steering wheel is clamped and fixed.
For example, referring to fig. 2, it can be shown as a structural schematic diagram of a steering wheel fixing assembly, the steering wheel fixing handle 220 is a U-shaped structure, and the lower side 2201 of the steering wheel fixing handle has two right-angle finger structures, so that the bottom end of the steering wheel, i.e. the right 6 o' clock direction of the steering wheel, can be sleeved when in use, thereby improving the strength and flexibility of fixing the steering wheel. The steering wheel securing clasp upper side 2202 is provided with a first circular through hole 260 and a second circular through hole 270. The steering wheel fixing top pin 240 is coupled with the steering wheel fixing top plate 230 by being threaded through the first circular through hole 260 so that the steering wheel fixing top plate 230 can be pushed when the steering wheel fixing top pin 240 is rotated. The bottom end of the steering wheel of the vehicle can be placed between the lower side 2201 of the steering wheel fixing handle and the steering wheel fixing top plate 230, the steering wheel fixing top pin 240 is in threaded connection with the upper side 2202 of the steering wheel fixing handle, one side of the steering wheel fixing top pin 240 is pressed against the steering wheel fixing top plate 230, the steering wheel fixing top pin 240 is rotated to push the steering wheel fixing top plate 230 when the steering wheel fixing device is used, and therefore the lower side 2201 of the steering wheel fixing handle is matched with the steering wheel fixing top plate 230 to clamp the steering wheel, and fixing effect is achieved.
On the basis of the above embodiment, with continued reference to fig. 1, the steering wheel fixing assembly 110 further includes:
a positioning cylinder 250 is disposed on one side of the steering wheel fixing top plate 230 facing the upper side of the steering wheel fixing buckle 220;
the positioning cylinder 250 penetrates through the second circular through hole, and is used for connecting the steering wheel fixing top plate 230 and the steering wheel fixing buckle 220.
In this embodiment, in order to prevent the steering wheel fixing top plate from falling off, a positioning cylinder 250 may be provided on a side of the steering wheel fixing top plate 230 facing an upper side of the steering wheel fixing handle 220. The positioning cylinder passes through 250 the second circular through hole to connect the steering wheel fixing top plate 230 and the steering wheel fixing handle 220. Illustratively, with continued reference to fig. 2, one side of the steering wheel fixing top plate is provided with a positioning cylinder 250, the positioning cylinder 250 is matched with the second circular through hole 270 on the upper side 2202 of the steering wheel fixing handle, and the positioning cylinder 250 can relatively move along the cylindrical axis direction of the second circular through hole 270 to prevent the steering wheel fixing top plate from falling off.
On the basis of the above embodiment, with continued reference to fig. 1, the length adjustment rod 120 includes: a coarse adjustment inner link 310, a coarse adjustment outer link 320, and a fine adjustment link 330;
one end of the inner coarse adjustment link 310 is connected to the pedal height adjustment assembly 130, and the other end is connected to the outer coarse adjustment link 320, so as to adjust the telescopic length of the inner coarse adjustment link 310 and coarsely adjust the angle between the accelerator pedal and a reference plane, so as to coarsely adjust the speed of the target vehicle by coarsely adjusting the angle;
the coarse adjustment outer connecting rod 320 is connected with the fine adjustment connecting rod 330, and is used for fine adjusting the angle between the accelerator pedal and a reference plane by adjusting the telescopic length of the coarse adjustment outer connecting rod 320, so that the speed of the target vehicle is fine adjusted by fine adjusting the angle;
the fine adjustment connecting rod 330 is connected to the angle adjustment lever 210 through an angle adjustment joint 2101, and is used for adjusting the bending angle between the angle adjustment lever 210 and the length adjustment lever 120 through the angle adjustment joint 2101.
In this embodiment, the inner rough adjustment link 310 has one end connected to the pedal height adjustment assembly 130 and the other end connected to the outer rough adjustment link 320, the outer rough adjustment link 320 connected to the fine adjustment link 330, and the fine adjustment link 330 connected to the angle adjustment lever 210 via the angle adjustment joint 2101. In practical application, the angle between the accelerator pedal and the reference plane can be adjusted by adjusting the telescopic length of the inner coarse adjustment link 310 and/or adjusting the telescopic length of the outer coarse adjustment link 320, so as to adjust the speed of the target vehicle, for example, the speed of the target vehicle can be increased by 10km/h for each 1cm of shortened length of the inner coarse adjustment link 310, and the speed of the target vehicle can be increased by 1km/h for each 0.5cm of shortened length of the outer coarse adjustment link 320. The bending angle between the angle adjusting rod 210 and the length adjusting rod 120 can be adjusted adaptively through the angle adjusting joint 2101. For example, referring to fig. 3, which may be a schematic view of an angle adjustment joint structure, the steering wheel fixing handle 220 is fixed to one end of the angle adjustment rod 210 by using a bolt, and the other end of the angle adjustment rod 210 and the fine adjustment link 330 pass through an angle adjustment joint 2101 with a locking structure, so that the steering wheel fixing assembly 110 is connected to the length adjustment rod 120.
On the basis of the above embodiment, with continuing reference to fig. 1, the length adjustment rod 120 further includes:
the coarse adjustment outer connecting rod 320 is sleeved outside the coarse adjustment inner connecting rod 310 and connected with the coarse adjustment inner connecting rod 310 through a coarse adjustment lock catch 350;
the coarse adjustment inner connecting rod 310 is provided with at least one annular groove structure for fixing the coarse adjustment outer connecting rod 320 and the coarse adjustment inner connecting rod 310 when the annular groove structure is buckled with the ball inside the coarse adjustment lock catch 350;
the coarse adjustment outer connecting rod 320 is connected with the fine adjustment rotary ring 360 through threads, and is used for adjusting the telescopic length of the coarse adjustment outer connecting rod 320 through the threaded displacement of the outer side wall of the coarse adjustment outer connecting rod 320 when the fine adjustment rotary ring 360 is rotated;
the fine adjustment connecting rod 330 is connected with the coarse adjustment outer connecting rod 320 through the fine adjustment rotating ring 360, and the fine adjustment rotating ring 360 is fixedly sleeved on the outer side wall of the fine adjustment connecting rod 330.
In this embodiment, outer coarse link 320 is disposed outside inner coarse link 310 and is connected to inner coarse link 310 via a coarse lock 350. The coarse adjustment inner connecting rod 310 is provided with at least one annular groove structure, and the coarse adjustment outer connecting rod 320 is connected with the fine adjustment rotary ring 360 through threads. The fine tuning connecting rod 330 is connected with the coarse tuning outer connecting rod 320 through a fine tuning rotating ring 360, and the fine tuning rotating ring 360 is fixedly sleeved on the outer side wall of the fine tuning connecting rod 330. In practical application, the telescopic length of the inner coarse adjustment connecting rod 310 can be adjusted by adjusting the number of the annular groove structures on the inner coarse adjustment connecting rod 310 extending into the inner side of the cavity of the outer coarse adjustment connecting rod 320, and then the vehicle speed is adjusted, for example, when the annular groove structures are shortened by 1, that is, 1 annular groove structure is retracted into the cavity of the outer coarse adjustment connecting rod 320, the vehicle speed of a target vehicle is increased by 10km/h, when the telescopic length is controlled to be a certain length, the annular groove structure closest to the ball in the coarse adjustment lock catch 350 at the moment is buckled with the ball, and the outer coarse adjustment connecting rod 320 and the inner coarse adjustment connecting rod 310 are fixed without moving. The fine tuning swivel 360 can be rotated to displace the thread on the outer side wall of the coarse tuning outer connecting rod 320 and adjust the telescopic length of the coarse tuning outer connecting rod 320, so that the vehicle speed can be controlled to reach a certain set speed.
For example, referring to fig. 4, it can be shown as a schematic diagram of a length adjustment rod structure, the coarse adjustment inner link 310 has annular groove structures at intervals of the same distance, the annular groove structures form a matching locking structure with the balls in the coarse adjustment lock catch 350, and the coarse adjustment of the length adjustment rod is achieved by matching and locking with different annular groove structures on the coarse adjustment inner link 310. The outer coarse adjustment link 320 is sleeved outside the inner coarse adjustment link 310 and connected with the inner coarse adjustment lock catch 350. The coarse adjustment outer connecting rod 320 is connected with the fine adjustment connecting rod 330 through a fine adjustment rotating ring 360, wherein the fine adjustment connecting rod 330 is sleeved with the fine adjustment rotating ring 360, namely the fine adjustment rotating ring 360 is sleeved outside the fine adjustment connecting rod 330, the fine adjustment rotating ring 360 can rotate relative to the fine adjustment connecting rod 330 but does not move, the coarse adjustment outer connecting rod 320 is in threaded connection with the fine adjustment rotating ring 360, therefore, when the fine adjustment rotating ring 360 is rotated, the threaded displacement of the coarse adjustment outer connecting rod 320 is achieved, the effect of fine adjustment of the length of the connecting rod is achieved, and the fine adjustment connecting rod is arranged at the uppermost end of the length adjustment rod 120 and is connected with the steering wheel fixing component through an angle adjustment joint 2101 with a locking structure.
On the basis of the above embodiment, with continuing reference to fig. 1, the length adjustment rod 120 further includes:
the outer wall side of the coarse locking buckle 350 is provided with an unlocking ring, and when the unlocking ring is pulled, the balls inside the coarse locking buckle 350 are released; alternatively, the inner ball of the rough adjust lock button 350 locks the rough adjust outer link 320 to the rough adjust inner link 310 when the release ring is released.
In this embodiment, the unlocking ring is disposed on the outer wall of the rough adjustment lock 350, so that when the vehicle speed is actually adjusted, the unlocking ring can be pulled to release the balls inside the rough adjustment lock 350, and the telescopic length of the length adjustment rod 120 can be adjusted by moving the annular groove structure on the inner coarse adjustment link 310, so that the angle between the accelerator pedal and the reference water surface is changed to adjust the vehicle speed. Or when the vehicle speed is adjusted, the unlocking ring can be released, so that the balls in the coarse adjustment lock catch 350 lock the coarse adjustment outer connecting rod 320 and the coarse adjustment inner connecting rod 310, and the stability of vehicle speed control is improved. Illustratively, with continued reference to FIG. 4, the rough latch 350 is provided with an unlocking ring that is pulled on the rough latch 350 to release the internal balls and unlock the locking mechanism.
With continued reference to fig. 1, based on the above-described embodiment, the step height adjustment assembly 130 includes: a pedal fixing handle 410, a pedal fixing top pin 420 and a connecting shaft 430;
the pedal fixing handle 410 is connected with the pedal fixing top pin 420, and is used for pushing the pedal fixing top pin 420 to enable the pedal fixing top pin 420 to approach a fixed accelerator pedal to the lower side of the pedal fixing handle 410;
the pedal fixing top pin 420 is connected with the coarse adjusting inner connecting rod 310 through a connecting universal joint 140, the pedal fixing top pin 420 is connected with the connecting universal joint 140 through a connecting shaft 430 arranged in a cavity of the pedal fixing top pin 420, and the connecting shaft 430 is connected with the inner side wall of the cavity of the pedal fixing top pin 420 through threads.
In this embodiment, the pedal fixing handle 410 is connected to the pedal fixing top pin 420, the pedal fixing top pin 420 is connected to the coarse adjustment inner link 310 through the connecting universal joint 140, the inner side wall of the cavity of the pedal fixing top pin 420 is provided with threads, the inner side wall of the cavity of the pedal fixing top pin 420 is connected to the connecting shaft 430 through the threads, and the pedal fixing top pin 420 is connected to the connecting universal joint 140 through the connecting shaft 430. In practical applications, the accelerator pedal of the target vehicle may be placed between the pedal fixing pin 420 and the pedal fixing button 410, and when the pedal fixing pin 420 is pushed, the pedal fixing pin 420 approaches to the lower side of the pedal fixing button 410 so as to clamp and fix the accelerator pedal.
On the basis of the above embodiment, with continued reference to fig. 1, the pedal height adjustment assembly 130 further includes:
the lower side of the pedal fixing buckle 410 is provided with two right-angle hook structures, the upper side of the pedal fixing buckle 410 is provided with a third circular through hole, and the inner side wall of the third cylindrical hole is provided with threads;
the pedal fixing top pin 420 penetrates through the third circular through hole, and is used for pushing the pedal fixing top pin 420 to be close to a fixed accelerator pedal towards the lower side of the pedal fixing handle 410 when the pedal fixing top pin 420 is rotated.
In this embodiment, the lower side of the pedal fixing button 410 is provided with two right-angle hook structures, the upper side of the pedal fixing button 410 is provided with a third circular through hole, and the inner side wall of the third cylindrical hole is provided with threads. The pedal fixing knock pin 420 is threaded through the third circular through-hole. In practical applications, the clamping of the accelerator pedal is achieved by pushing the pedal fixing knock pin 420 toward the lower side of the pedal fixing catch 410 while rotating the pedal fixing knock pin 420.
Illustratively, referring to fig. 5, which shows a schematic view of the pedal height adjustment assembly, the pedal fixing buckle 410 is U-shaped, and the lower side 4101 of the pedal fixing buckle has two right-angled fingers, which fall on the top of the pedal when in use, and a gap is left between the two fingers, so as to be conveniently applied to the suspension pedal. The upper side 4102 of the pedal fixing handle is connected with the pedal fixing top pin 420 by screw threads, one end of the pedal fixing top pin 420 is a skirt-type structure with a cavity, the connecting shaft 430 can be arranged in the cavity and connected by screw threads, the connecting shaft 430 is connected with the connecting universal joint 140, so that the pedal fixing top pin 420 is fixed with the connecting universal joint 140, and the fixed end of the pedal is connected with the length adjusting rod 130.
On the basis of the above embodiment, with continued reference to fig. 1, the pedal height adjustment assembly 130 further includes:
the pedal fixing top pin 420 is of a hollow tubular structure with internal threads and external threads, the pedal fixing top pin 420 is connected with the connecting shaft 430 through the internal threads, and the pedal fixing top pin 420 is connected with the pedal fixing handle 410 through the external threads and used for tightly jacking or loosening the accelerator pedal by rotating the pedal fixing top pin 420.
In this embodiment, the pedal fixing top pin 420 has a hollow tubular structure with internal and external threads, the pedal fixing top pin 420 is connected with the connecting shaft 430 through the internal threads, and the pedal fixing top pin 420 is connected with the pedal fixing handle 410 through the external threads. In practical applications, the accelerator pedal can be tightened or loosened by rotating the threads of the pedal fixing knock pin 420. Illustratively, with continued reference to fig. 5, one end of the pedal fixing top pin 420 is a circular hollow tubular structure with internal and external threads, the internal threads are engaged with the threads of the connecting shaft 430, the external threads are engaged with the upper side 4102 of the pedal fixing handle, and the accelerator pedal is tightened or loosened by rotating the pedal fixing top pin 420 structure.
For a clear description of the technical solution, a specific implementation manner of the vehicle speed adjusting device provided in the embodiment of the present invention is provided in combination with a specific application scenario, and specifically, the following details may be referred to.
Illustratively, with reference to fig. 1, the device structure includes a pedal height adjusting assembly 130, a length adjusting rod 120, a steering wheel fixing assembly 110, a connecting universal joint 140 and an angle adjusting joint 2101, the pedal height adjusting assembly 130 is connected with the length adjusting rod 120 by using the connecting universal joint 140, the steering wheel fixing assembly 110 is connected with the length adjusting rod 120 by using the angle adjusting joint 2101 capable of adjusting and locking the angle, so that the fixed angle can be flexibly adjusted when the device structure is applied to different vehicle types. The steering wheel fixing assembly 110 includes a steering wheel fixing U-shaped handle, i.e., a steering wheel fixing handle 220, a steering wheel fixing top plate 230, a steering wheel fixing top pin 240, and an angle adjusting lever 210. The steering wheel securing clasp 220 is a structure with two right-angled fingers, and is used to cover the bottom end of the steering wheel, i.e. the right 6 o' clock direction of the steering wheel. Steering wheel fixes roof 230 one side and has location cylinder 250, location cylinder 250 cooperates with the circular through-hole of the fixed attacker 220 one side of steering wheel, and can follow the cylindrical axis direction relative movement, steering wheel fixes knock pin 240 and the fixed attacker 220 of steering wheel passes through threaded connection, one side top is on steering wheel fixes roof 230, rotatory steering wheel fixes knock pin 240 and promotes steering wheel fixes roof 230 during the use, thereby make the fixed attacker 220 of steering wheel cooperate with the fixed roof 230 of steering wheel to press from both sides tight steering wheel, in order to reach the fixed action. The steering wheel fixing handle 220 is fixed to one end of the angle adjusting lever 210 by a bolt, and the other end of the angle adjusting lever 210 is connected to the length adjusting lever 120 through an angle adjusting joint 2101 with a locking structure, so that the steering wheel fixing assembly 110 is connected to the length adjusting lever 120. The length adjustment rod 120 includes a coarse adjustment inner link 310, a coarse adjustment lock 350, a coarse adjustment outer link 320, a fine adjustment swivel 360, and a fine adjustment link 330. Annular groove structures are arranged on the coarse adjustment inner connecting rod 310 at intervals of the same distance, the annular groove structures and the balls in the coarse adjustment lock catch 350 form a matched locking structure, and the annular groove structures are matched and locked with different annular groove structures on the coarse adjustment inner connecting rod 310, so that the effect of coarse adjustment of the length of the connecting rod is achieved. The coarse adjustment lock catch 350 is provided with an unlocking ring, and the internal ball can be loosened by pulling the unlocking ring on the coarse adjustment lock catch, so that the locking structure is unlocked. The outer coarse adjustment link 320 is sleeved outside the inner coarse adjustment link 310 and connected with the inner coarse adjustment lock catch 350. The coarse adjustment outer connecting rod 320 is connected with the fine adjustment connecting rod 330 through a fine adjustment rotating ring 360, wherein the fine adjustment connecting rod 330 is sleeved with the fine adjustment rotating ring 360, the fine adjustment rotating ring 360 can rotate relative to the fine adjustment connecting rod 330 but does not move, the coarse adjustment outer connecting rod 320 is in threaded connection with the fine adjustment rotating ring 360, so that when the fine adjustment rotating ring 360 rotates, the effect of fine adjustment of the length of the connecting rod is achieved through threaded displacement of the coarse adjustment connecting rod 320, and the fine adjustment connecting rod 330 is arranged at the uppermost end of the length adjustment rod 120 and is connected with the steering wheel fixing component 110 through an angle adjustment joint 2101 with a locking structure. The pedal height adjusting assembly 130 includes a pedal fixing U-shaped handle, i.e., a pedal fixing handle 410, a pedal fixing top pin 420, and a connecting shaft 430. Referring to fig. 5, the pedal fixing button 410 has two right-angled finger structures, and falls on the top of the pedal when in use, a gap is left between the two fingers, so as to be conveniently applied to a suspended pedal, the pedal fixing button 410 is in threaded connection with the pedal fixing top pin 420, one end of the pedal fixing top pin 420 is a circular hollow tubular structure with internal and external threads, the internal thread is in threaded fit with the connecting shaft 430, the external thread is in threaded fit with the pedal fixing button 410, the accelerator pedal is tightly pressed or loosened by rotating the top pin structure, the other end of the pedal fixing top pin 420 is a skirt-type structure with a cavity, and the connecting shaft 430 fixes the pedal fixing top pin 420 and the connecting universal joint 140 through threaded connection in the cavity, so that the pedal height adjusting assembly 130 is connected with the length adjusting rod 120.
The vehicle speed adjusting device provided by the embodiment of the invention can stably keep the vehicle speed, is not influenced by the conditions of vehicle vibration and the like, has coarse adjustment and fine adjustment functions, ensures the fine distinguishing requirements of the vehicle speed, has simple structure, convenient operation, is not influenced by a driving position space, can be applied to various vehicle types, is convenient for test arrangement and removal, saves test manpower and test arrangement time, has low manufacturing and maintenance cost, does not introduce other electromagnetic signals into the vehicle, is not influenced by the interference of the electromagnetic signals, and does not influence the test result of vehicle simulation test, and can be applied to any finished vehicle test situation with the vehicle speed requirement.
According to the technical scheme, during simulation test, the steering wheel is fixed through the steering wheel fixing assembly; when the accelerator pedal is fixed based on the pedal height adjusting assembly, the angle between the accelerator pedal and the reference plane is roughly adjusted by adjusting the telescopic length of the inner coarse adjusting connecting rod so as to roughly adjust the speed of a target vehicle through the rough adjusting angle, and the angle between the accelerator pedal and the reference plane can be finely adjusted by adjusting the telescopic length of the outer coarse adjusting connecting rod so as to finely adjust the speed of the target vehicle through the fine adjusting angle.
Example two
Fig. 6 is a flowchart of a vehicle speed adjusting method according to a second embodiment of the present invention, which may be applied to the vehicle speed adjusting device according to the second embodiment of the present invention, and referring to fig. 6, the method may include the following steps:
s610, fixing the steering wheel through the steering wheel fixing assembly during simulation test;
s620, when the accelerator pedal is fixed on the basis of the pedal height adjusting assembly, the angle between the accelerator pedal and the reference plane is adjusted by adjusting the telescopic length and/or the bending angle of the length adjusting rod, so that the speed of the target vehicle is adjusted by adjusting the angle.
According to the technical scheme of the embodiment, the steering wheel is fixed through the steering wheel fixing assembly during simulation test; when the accelerator pedal is fixed based on the pedal height adjusting assembly, the angle between the accelerator pedal and the reference plane is adjusted by adjusting the telescopic length and/or the bending angle of the length adjusting rod, so as to adjust the speed of the target vehicle by adjusting the angle, solve the problem of high speed control cost caused by controlling and adjusting the speed based on a speed-adjusting robot in the prior art, realize the fixation of the steering wheel of the target vehicle by a steering wheel fixing component, the accelerator pedal of the target vehicle is fixed through the pedal height adjusting assembly, the angle between the accelerator pedal and the reference horizontal plane is adjusted through adjusting the telescopic length of the length adjusting rod, further adjusting the speed of the target vehicle to keep the target vehicle at a certain speed for operation during the simulation test, the test cost is reduced, meanwhile, no electromagnetic interference exists, and the technical effect of improving the test precision is achieved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A vehicle speed adjustment device characterized by comprising: the device comprises a steering wheel fixing assembly, a length adjusting rod and a pedal height adjusting assembly;
the steering wheel fixing assembly is connected with the length adjusting rod and used for fixing a steering wheel of a target vehicle during simulation test;
the length adjusting rod is connected with the pedal height adjusting assembly and used for adjusting the angle between the accelerator pedal and a reference plane by adjusting the telescopic length of the length adjusting rod when the accelerator pedal is fixed on the basis of the pedal height adjusting assembly, so that the speed of the target vehicle is adjusted by adjusting the angle.
2. The apparatus of claim 1, wherein the steering wheel securing assembly comprises: the angle adjusting rod, the steering wheel fixing buckle, the steering wheel fixing top plate and the steering wheel fixing top pin are arranged on the steering wheel fixing top plate;
one end of the angle adjusting rod is connected with the length adjusting rod, and the other end of the angle adjusting rod is connected with the steering wheel fixing buckle through a bolt;
the steering wheel fixing handle and the steering wheel fixing top plate are connected through the steering wheel fixing ejector pin and used for pushing the steering wheel fixing top plate through the steering wheel fixing ejector pin so that the steering wheel fixing top plate is close to the steering wheel to be fixed to the lower side of the steering wheel fixing handle.
3. The apparatus of claim 2, further comprising:
the lower side of the steering wheel fixing buckle is provided with two right-angle hook structures, and the upper side of the steering wheel fixing buckle is provided with a first circular through hole and a second circular through hole; wherein, the inner side wall of the first cylinder hole is provided with a thread;
the steering wheel fixing ejector pin penetrates through the first circular through hole to be connected with the steering wheel fixing top plate and is used for pushing the steering wheel fixing top plate when the steering wheel fixing ejector pin is rotated so that the steering wheel fixing top plate is close to the fixed steering wheel towards the lower side of the steering wheel fixing buckle; and the outer side wall of the steering wheel fixing ejector pin is provided with threads.
4. The apparatus of claim 3, further comprising:
a positioning cylinder is arranged on one side of the steering wheel fixing top plate facing the upper side of the steering wheel fixing buckle;
the positioning cylinder penetrates through the second circular through hole and is used for connecting the steering wheel fixing top plate and the steering wheel fixing buckle.
5. The apparatus of claim 1, wherein the length adjustment rod comprises: a coarse adjustment inner connecting rod, a coarse adjustment outer connecting rod and a fine adjustment connecting rod;
one end of the inner coarse adjustment connecting rod is connected with the pedal height adjusting assembly, and the other end of the inner coarse adjustment connecting rod is connected with the outer coarse adjustment connecting rod and is used for coarsely adjusting the angle between the accelerator pedal and a reference plane by adjusting the telescopic length of the inner coarse adjustment connecting rod so as to coarsely adjust the speed of the target vehicle by coarsely adjusting the angle;
the coarse adjustment outer connecting rod is connected with the fine adjustment connecting rod and is used for fine adjusting the angle between the accelerator pedal and a reference plane by adjusting the telescopic length of the coarse adjustment outer connecting rod so as to fine adjust the speed of the target vehicle by fine adjusting the angle;
the fine adjustment connecting rod is connected with the angle adjusting rod through an angle adjusting joint and is used for adjusting the bending angle between the angle adjusting rod and the length adjusting rod through the angle adjusting joint.
6. The apparatus of claim 5, further comprising:
the coarse adjustment outer connecting rod is sleeved outside the coarse adjustment inner connecting rod and is connected with the coarse adjustment inner connecting rod through a coarse adjustment lock catch;
the coarse adjustment inner connecting rod is provided with at least one annular groove structure and is used for fixing the coarse adjustment outer connecting rod and the coarse adjustment inner connecting rod when the annular groove structure is buckled with the ball in the coarse adjustment lock catch;
the coarse adjustment outer connecting rod is connected with the fine adjustment rotary ring through threads and is used for adjusting the telescopic length of the coarse adjustment outer connecting rod through threaded displacement of the outer side wall of the coarse adjustment outer connecting rod when the fine adjustment rotary ring is rotated;
the fine adjustment connecting rod is connected with the coarse adjustment outer connecting rod through the fine adjustment rotary ring, and the fine adjustment rotary ring is fixedly sleeved on the outer side wall of the fine adjustment connecting rod.
7. The apparatus of claim 5, further comprising:
the outer wall side of the coarse adjustment lock catch is provided with an unlocking ring, and when the unlocking ring is pulled, the ball inside the coarse adjustment lock catch is loosened; or the like, or, alternatively,
when the unlocking ring is loosened, the coarse adjustment outer connecting rod and the coarse adjustment inner connecting rod are locked by the ball inside the coarse adjustment lock catch.
8. The apparatus of claim 1, wherein the pedal height adjustment assembly comprises: the pedal fixing handle, the pedal fixing top pin and the connecting shaft are arranged on the pedal fixing top pin;
the pedal fixing handle is connected with the pedal fixing ejector pin and used for pushing the pedal fixing ejector pin to enable the pedal fixing ejector pin to be close to a fixed accelerator pedal towards the lower side of the pedal fixing handle;
the pedal fixing ejector pin is connected with the coarse adjusting inner connecting rod through a connecting universal joint, the pedal fixing ejector pin is connected with the connecting universal joint through a connecting shaft arranged in a cavity of the pedal fixing ejector pin, and the connecting shaft is connected with the inner side wall of the cavity of the pedal fixing ejector pin through threads.
9. The apparatus of claim 8, further comprising:
the lower side of the pedal fixing buckle is provided with two right-angle hook structures, the upper side of the pedal fixing buckle is provided with a third circular through hole, and the inner side wall of the third cylindrical hole is provided with threads;
the pedal fixing ejector pin penetrates through the third circular through hole and is used for pushing the pedal fixing ejector pin to be close to the fixed accelerator pedal to the lower side of the pedal fixing buckle when the pedal fixing ejector pin is rotated.
10. The apparatus of claim 8, further comprising:
the pedal fixing ejector pin is of a hollow tubular structure with internal threads and external threads, the pedal fixing ejector pin is connected with the connecting shaft through the internal threads, and the pedal fixing ejector pin is connected with the pedal fixing handle through the external threads and used for tightly ejecting or loosening the accelerator pedal through rotating the pedal fixing ejector pin.
CN202210416727.2A 2022-04-20 2022-04-20 Vehicle speed adjusting device and method Pending CN114814421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210416727.2A CN114814421A (en) 2022-04-20 2022-04-20 Vehicle speed adjusting device and method

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Application Number Priority Date Filing Date Title
CN202210416727.2A CN114814421A (en) 2022-04-20 2022-04-20 Vehicle speed adjusting device and method

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