CN210691689U - Simulated driving test bed for driver driving data acquisition - Google Patents
Simulated driving test bed for driver driving data acquisition Download PDFInfo
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- CN210691689U CN210691689U CN201920446267.1U CN201920446267U CN210691689U CN 210691689 U CN210691689 U CN 210691689U CN 201920446267 U CN201920446267 U CN 201920446267U CN 210691689 U CN210691689 U CN 210691689U
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Abstract
The utility model discloses a driver driving data acquisition-oriented simulation driving test bed, which overcomes the problems that the prior driving auxiliary system can not distinguish the discomfort caused by different driving habits and how to classify the driving characteristics, and comprises a simulation output system, an operation control system and a data acquisition system; the data acquisition system comprises an accelerator pedal displacement sensor, a brake pedal displacement sensor and a steering wheel corner sensor; the accelerator pedal displacement sensor and the brake pedal displacement sensor are integrated on an accelerator pedal and a brake pedal of the operation control system, and the steering wheel corner sensor is arranged on a G29 steering wheel of the operation control system; the analog output system is arranged on the foundation through the fixed platform, and other components are arranged on the right side of the fixed platform; the control system is arranged on the left side of the fixed platform; the accelerator pedal displacement sensor and the brake pedal displacement sensor are connected with the output end of the steering wheel corner sensor and the experimental host of the analog output system through wires.
Description
Technical Field
The utility model relates to a simulation test platform among the vehicle technical field, more exactly, the utility model relates to a drive data acquisition's online calibration test bench towards driver.
Background
During the driving process of the automobile, the psychological activities of the driver are closely related to the basic purpose of safety and comfort, and the individual psychological characteristics of the driver have direct influence on the traffic safety. The existing driving assistance system has the problem that the driving habits of drivers cannot be distinguished, and the driving behavior difference of different drivers under the same working condition is ignored. Especially in the aspects of following distance, acceleration process and the like, the auxiliary driving is carried out by using the same driving parameters, and the requirements of people cannot be met.
The existing on-line calibration test bed for driver driving data acquisition simulates road conditions in a traditional plane display mode, and is difficult to bring drivers into driving personally, for example, the Chinese patent publication No. CN107067869, published as 2017.08.18, is named as a driving data acquisition-oriented simulation driving system, although an annular display screen is also used, the annular display screen is not combined with an audio system, and is not supported by VR technology, so that the driving environment is not simulated really enough, and the data acquisition effect is poor. For example, the Chinese patent publication No. CN105426638 published as 2016.03.23 discloses that the driving data is collected on a real vehicle driving simulator, and the safety factor is considered, the driving data is difficult to collect under complex working conditions, and the driving data can only be collected under partial working conditions, so that the driving data is not comprehensive enough.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art existence because the driving habit that the driving assistance system can't distinguish different drivers and bring uncomfortable and how carry out categorised problem to driver's driving characteristic, provide a drive data acquisition's online calibration test bench towards driver.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize: the online calibration test bed for driver driving data acquisition comprises a simulation output system, a control system and a data acquisition system;
the simulation output system comprises an experiment host and a fixed platform;
the control system comprises a pedal, a G29 steering wheel and a steering wheel fixing bracket; wherein: the pedals comprise an accelerator pedal and a brake pedal;
the data acquisition system comprises an accelerator pedal displacement sensor integrated on an accelerator pedal, a brake pedal displacement sensor integrated on a brake pedal and a steering wheel angle sensor integrated on a G29 steering wheel;
the simulation output system is arranged on a foundation through a fixed platform, other components of the simulation output system are arranged on the right side of the fixed platform, an accelerator pedal displacement sensor and a brake pedal displacement sensor are arranged on the fixed platform below a steering wheel fixed support through pedals, and a steering wheel corner sensor is arranged on the steering wheel fixed support through a G29 steering wheel; the control system is arranged on the left side of the fixed platform; the output ends of the accelerator pedal displacement sensor, the brake pedal displacement sensor and the steering wheel angle sensor are respectively connected with the experiment host through assembly lines.
The analog output system in the technical scheme further comprises an annular display screen, an annular display screen fixing support, 2 audio output systems with the same structure, a first bolt group and a VR helmet; annular display screen fixed bolster install the center department on fixed platform's right side, the annular display screen adopts first bolt group and annular display screen fixed bolster's upper end to carry out screw thread fastening connection, 2 audio output system that the structure is the same installs on the left fixed platform of annular display screen, and place both ends around annular display screen symmetrically, the experiment host computer is arranged on the fixed platform of annular display screen fixed bolster rear end, the experiment host computer passes through the VGA line and is connected with annular display screen, the experiment host computer passes through the audio frequency line and is connected with 2 audio output system that the structure is the same, the VR helmet during operation is worn at driver's overhead, the VR helmet passes through high definition data line HDMI line connection with the experiment host computer.
The control system in the technical scheme also comprises a seat, a second bolt group and 2 steering wheel clamps with the same structure; wherein: the second bolt group comprises 2 long bolts with the same structure; g29 steering wheel adopt 2 the same long bolts of root structure and 2 the same steering wheel presss from both sides to install on steering wheel fixed bolster top, 2 the same steering wheel of structure presss from both sides the suit on 2 the same long bolts of root structure, be screw thread fastening connection between the three, make the steering wheel press from both sides and the laminating of the bottom face of the middle flat board of the last cavity casing of steering wheel fixed bolster, G29 steering wheel 6 and the laminating of the middle flat board's of the last cavity casing of steering wheel fixed bolster top face, play the fixed action, the distance of steering wheel fixed bolster and annular display screen is 95 centimetres to 105 centimetres, the footboard is arranged on the fixed platform of steering wheel fixed bolster below, the seat is arranged in the left side of steering wheel fixed bolster.
The steering wheel fixing support in the technical scheme comprises 4 arc-shaped supporting columns with the same structure, an upper cavity shell, a lower cavity shell, a third bolt group and a long pin; the lower edges of the flat plates on the two sides of the upper cavity shell are provided with 1 threaded hole and 1 long pin hole, and the top plate of the upper cavity shell, namely the rear end of the middle flat plate, namely the edge on the same side with the 2 threaded holes on the flat plates on the two sides is provided with 2 threaded holes with the same structure; the edge of the rear end of the flat plates on the two sides of the lower cavity shell is provided with 2 lower threaded holes with the same structure, the edge of the front end of the flat plates on the two sides of the lower cavity shell is provided with 1 lower long pin hole, the distances between the 2 lower threaded holes with the same structure and the lower long pin holes are equal, and the lower long pin holes are the same as the long pin holes of the upper cavity shell in structure and are aligned in position; the top ends of the 4 arc-shaped supporting columns with the same structure are vertically and fixedly connected with four corners of the bottom surface of the lower cavity shell, long pins are inserted into lower long pin holes of flat plates on two sides of the lower cavity shell and long pin holes of flat plates on two sides of the upper cavity shell, and the upper cavity shell is rotatably connected with the lower cavity shell; and the third bolt group is adopted and fixedly connected with the lower cavity shell through the threaded holes in the upper cavity shell and the lower threaded hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the online calibration test bed for driver driving data acquisition has a simple structure, and all components are detachably connected, so that the online calibration test bed is convenient to adapt to driving characteristics of different drivers to adjust relative positions among all components;
2. a towards driver's driving habit of driving data acquisition's at present driver of online calibration test bench reference, the distance is reasonable between each part of design, the driver of being convenient for drives, is favorable to gathering exact driving data.
3. A towards driver's driving data acquisition's online calibration test bench adopt CarSim vehicle dynamics simulation software, based on the numerical simulation principle that physical modeling and accuracy and high efficiency were taken into account, utilize various environment and the operating mode of advanced virtual reality technical simulation auttombilism to can provide more real driving experience for the driver.
4. A towards driver's driving data acquisition's online calibration test bench break away from real car data acquisition's restriction, can simulate more comparatively complicacies under the more safe condition, dangerous operating mode even can reflect driver's driving characteristic under the extreme condition.
5. A towards driver's driving data acquisition's online calibration test bench break away from under traditional physical condition and directly carry out amazing mode to driver's body, adopted and carried out amazing mode to vision and sense of hearing, accomplish the collection work to driver's driving characteristic data, change the operation.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is an axonometric projection view of the structural composition of an online calibration test bed for driver driving data acquisition according to the present invention;
fig. 2 is a front view of an online calibration test bed for driver driving data acquisition according to the present invention;
fig. 3 is a top view of the online calibration test bed for driver driving data acquisition according to the present invention;
fig. 4 is a disassembled axonometric view of the steering wheel structure adopted in the online calibration test bed for driver driving data acquisition according to the present invention;
fig. 5 is a disassembled axonometric view of the annular display screen mounting structure adopted in the online calibration test bed for driver driving data acquisition according to the present invention;
fig. 6 is a schematic structural diagram of a data acquisition system adopted in an online calibration test bed for driver driving data acquisition according to the present invention;
FIG. 7 is a result diagram of the K-means clustering of the online calibration test bed for driver driving data acquisition according to the present invention;
in the figure: 1. the automobile steering wheel comprises an annular display screen, 2 an annular display screen fixing support, 3 an audio output system, 4 a pedal, 5a seat, 6 a G29 steering wheel, 7 a steering wheel fixing support, 8 a main machine, 9 a first bolt group, 10 a second bolt group, 11 a steering wheel clamp, 12 a VR helmet, 13 a fixing platform, 14 a third bolt group and 15 a long pin.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
referring to fig. 1 to 3, the online calibration test bed for driver driving data acquisition comprises an analog output system, a control system and a data acquisition system.
The simulation output system comprises an annular display screen 1, an annular display screen fixing support 2, 2 audio output systems 3 with the same structure, an experiment host 8, a first bolt group 9, a VR helmet 12 and a fixing platform 13.
The annular display screen 1 is a 55-inch curved surface television annular display screen which is produced by TCL group Limited and has the model number of TCL D55A 9C;
the 2 audio output systems 3 with the same structure adopt an Edifier/walker R101V;
the first bolt group 9 comprises 6 bolts with the specification of GB/T65-5782M 8x10 and 6 flat washers with the specification of GB/T97.1M8;
the experimental host 8 mainly operates vehicle dynamics simulation software CarSim and algorithm development software Matlab to control a vehicle dynamics model;
The fixed platform 13 is a non-standard component, and is a large flat plate for supporting various objects thereon, and plays a supporting role.
Referring to fig. 5, the annular display screen 1 is in threaded fastening connection with the upper end of the annular display screen fixing support 2 by adopting a first bolt group 9, and the annular display screen 1 is arranged at the center of the right side of the fixing platform 13 through the annular display screen fixing support 2 so as to ensure that a simulated image output by the annular display screen 1 is close to a visual angle during actual driving, and 2 audio output systems 3 with the same structure are arranged at the left side of the annular display screen 1 and symmetrically arranged at two ends of the annular display screen 1 to output a stereo sound effect for simulating sound during actual driving; experiment host computer 8 arranges the one end on fixed platform 13 right side, or say that, experiment host computer 8 arranges on the fixed platform 13 of 2 one ends of annular display screen fixed bolster, experiment host computer 8 passes through the VGA line and is connected with annular display screen 1, the VGA line is the data line that is used for connecting annular display screen 1 and experiment host computer 8 with transmission analog signal, and output simulation operating mode video, experiment host computer 8 passes through the audio connecting wire and is connected with 2 audio output system 3 that the structure is the same, the audio output interface of experiment host computer 8 is connected to the one end of audio connecting wire, the other end is connected with audio output system's audio interface, and output simulation operating mode audio frequency.
The steering control system comprises a pedal 4, a seat 5, a G29 steering wheel 6, a steering wheel fixing bracket 7, a second bolt group 10 and 2 steering wheel clamps 11 with the same structure.
Wherein: the pedal 4 comprises an accelerator pedal and a brake pedal; the second bolt group 10 comprises 2 long bolts with the same structure;
g29 steering wheel 6 and footboard 4 adopt G29DRIVING FORCE steering wheel and footboard that Swiss company Luo skill produced, G29 steering wheel 6 places above steering wheel fixed bolster 7, footboard 4 places under steering wheel fixed bolster 7, G29 steering wheel 6 adopts two motor FORCE feedback technique, footboard 4 adopts the design of bottom suspension spring, can simulate the FORCE feedback effect of steering wheel and footboard in the actual DRIVING process, the difference that the different driver operations that lead to of operating mode lead to in the more effective reaction simulation DRIVING process are different, and then optimize the FORCE feedback experience in the DRIVING process, further improve the accuracy of data acquisition.
The driving seat 5 is an SX4 front-row seat assembly produced by Chang' an Suzuki, and the angle of the backrest of the driving seat can be adjusted, so that the driving seat accords with the driving habit of a driver, and the accuracy of data acquisition is improved.
The steering wheel fixing support 7 consists of 4 arc-shaped supporting columns with the same structure, 2U-shaped cavity shells (an upper cavity shell and a lower cavity shell), a third bolt group 14 and a long pin 15;
the arc support column that 4 structures are the same is non-standard, 2U-shaped cavity casings include the last cavity casing on top and the lower cavity casing of bottom according to the position relation, the dull and stereotyped lower limb department in last cavity casing both sides is provided with 1M 12 screw hole and 1 long pinhole, the roof of going up the cavity casing is that the dull and stereotyped rear end in the middle of being promptly is provided with 2M12 screw holes that the structure is the same with the edge of 2M12 screw holes homonymies in both sides promptly, the dull and stereotyped rear end edge department in cavity casing both sides is provided with 2M12 screw holes that the structure is the same down, the dull and stereotyped front end edge department in cavity casing both sides is provided with 1 long pinhole down, 2M12 screw holes that the structure is the same with the distance of long pinhole down, long pinhole is in another (preceding) side down, it is corresponding with the long pinhole position. The long round pin inserts in the long pinhole of 2U-shaped casings, play the positioning action, make 2U-shaped cavity casings carry out the rotation of angle displacement around the long round pin, at the rotation in-process, the M12 screw hole of going up the cavity casing can coincide at 2 different angles and 2M12 screw holes of cavity casing down, make 2 cavity casings form screw thread fastening connection through third bolt group 14, make steering wheel fixed bolster whole have two kinds of different shapes, thereby adapt to different drivers's size and driving habit. The steering wheel fixing bracket 7 is used for supporting a G29 steering wheel 6 and is placed on the pedal 4;
the second bolt group 10 comprises 2 bolts with the specification of GB/T65-5782M 12x10, 2 hexagon nuts with the specification of GB/T41M 12 and 2 flat washers with the specification of GB/T97.112-140 HV.
The steering wheel clamp 11 comprises 2 steering wheel clamps with the same structure, wherein one side of each steering wheel clamp is a tip end, the other side of each steering wheel clamp is an arc end, each steering wheel clamp is provided with an M12 threaded hole, and the transition position of the tip end and the arc end, namely the position of the M12 threaded hole, is equal in thickness;
the third bolt group 14 comprises 2 bolts with the specification of GB/T65-5782M 12x10, 2 hexagon nuts with the specification of GB/T41M 12 and 2 flat washers with the specification of GB/T97.112-140 HV;
the long pin 15 is a long pin with the length of 400 mm-600 mm and is used for positioning and connecting two cavity shells of the steering wheel fixing support 7;
referring to fig. 4, the G29 steering wheel 6 has 2M12 screw holes at its lower end, 2M12 screw holes are provided on the middle plate of the upper cavity housing of the steering wheel fixing bracket 7, 2M12 screw holes are provided on each of the 2 steering wheel clips 11, which make the G29 steering wheel 6, the middle plate of the upper cavity housing of the steering wheel fixing bracket 7 and the steering wheel clip 11 form screw fastening connection through the second bolt group 10, make the steering wheel clip 11 fit with the bottom end face of the middle plate of the upper cavity housing of the steering wheel fixing bracket 7, the G29 steering wheel 6 fits with the top end face of the middle plate of the upper cavity housing of the steering wheel fixing bracket 7 to fix, the distance between the steering wheel fixing bracket 7 and the ring-shaped display screen 1 is 95 to 105 cm, the pedal 4 is disposed under the steering wheel clip 11 and the steering wheel fixing bracket, the seat 5 is disposed at the left side of the G29 steering wheel 6, and manual adjustment can be carried out according to the body type and habit of a driver, the real cab is simulated in the overall arrangement mode, and the authenticity of data can be improved.
The data acquisition system comprises an accelerator pedal displacement sensor integrated on an electronic accelerator pedal, a brake pedal displacement sensor integrated on an electronic brake pedal, and a steering wheel angle sensor integrated on a G29 steering wheel 6.
The accelerator pedal displacement sensor, the brake pedal displacement sensor and the steering wheel corner sensor are respectively connected with the experiment host machine 8 through an assembly line (an assembly of a power line and a signal line). The displacement data of the accelerator pedal, the displacement data of the brake pedal and the steering wheel angle data in the process of simulating driving can be obtained through the displacement sensor and the displacement sensor of the accelerator pedal on the pedal 4 (comprising the accelerator pedal and the brake pedal) and the steering wheel angle sensor on the G29 steering wheel 6, and the experimental data are transmitted to the experimental host 8 through an assembly line.
The acquisition of steering wheel corner data on the G29 steering wheel 6 is realized through a corner sensor integrated in a steering wheel assembly, when a driver rotates the G29 steering wheel 6, the corner sensor measures the corner of the steering wheel, the corner signal of the G29 steering wheel 6 is converted into a voltage signal, the voltage signal is input into the experiment host computer 8 through an assembly line, and the steering control signal of the driver is provided for a vehicle dynamics simulation model of CarSim vehicle dynamics simulation software.
The acquisition of accelerator pedal displacement data of the pedal 4 is realized through an accelerator pedal displacement sensor integrated on an electronic accelerator pedal, when a driver steps on the accelerator pedal of the pedal 4 to accelerate, the accelerator pedal displacement sensor measures the position of the accelerator pedal, converts a position signal into a voltage signal, and inputs the voltage signal into the experiment host 8 through an assembly line, so that the accelerator acceleration control signal of the driver is provided for a vehicle dynamics simulation model of CarSim vehicle dynamics simulation software.
The collection of the brake pedal displacement data of the pedal 4 is realized through a brake pedal displacement sensor integrated on an electronic brake pedal, when a driver brakes by stepping on the brake pedal of the pedal 4, the brake pedal displacement sensor measures the position of the brake pedal, converts the position signal into a voltage signal, and inputs the voltage signal into the experiment host 8 through an assembly line, so that the brake control signal of the driver is provided for a vehicle dynamics simulation model of CarSim vehicle dynamics simulation software.
Referring to fig. 6, the experiment host 8 receives data from the accelerator pedal displacement sensor, the brake pedal displacement sensor and the steering wheel angle sensor by a dSPACE real-time simulation system (a set of software and hardware working platform developed by MATLAB/Simulink-based control system and semi-physical simulation developed by dSPACE corporation, germany), runs CarSim vehicle dynamics simulation software, inputs vehicle parameters and simulation condition settings, runs algorithm development software MATLAB, sets a vehicle dynamics control model, downloads data in the experiment host 8 into the simulation platform dSPACE real-time simulation system, outputs a virtual scene by CarSim, and stores data to be collected in MATLAB.
The simulation working condition output by the Carsim vehicle dynamics simulation software is a double-line-shifting working condition, compared with other working conditions, the driving types of drivers of different types can be better distinguished, and the identification degree of data can be improved.
The data types collected in the experimental process are respectively as follows: brake, steering wheel angle sw, throttle opening degree throttle, longitudinal position X0, transverse position Y0, YAW angle YAW and speed VX. The method comprises the following steps of totaling 28 test drivers, collecting corresponding data by using the name of a simulation system, obtaining the mean value and standard deviation of each group of data through Matlab statistics, taking the mean value and standard deviation as the characteristic value of the group of data to obtain 28 groups of data, taking the mean value and standard deviation of each driver data as a column vector, extracting to obtain a 28-14 matrix, firstly, carrying out principal component analysis, extracting to obtain data types which mainly affect classification, namely the mean value of the opening degree of an accelerator pedal, the standard deviation of the turning angle of a steering wheel and the standard deviation of the yaw rate, carrying out K-means cluster analysis, and taking the K value as 3 to obtain classification information.
Referring to fig. 7, the 28 drivers are classified into 3 categories, i.e., aggressive type, conservative type, and robust type. And training the neural network by using the 28 groups of data and three driver driving types.
The principle of the K-means clustering is that a K-means algorithm accepts a parameter K and then divides n data objects input in advance into K clusters so as to make the obtained clusters satisfy: the similarity of objects in the same cluster is higher; while the object similarity in different clusters is smaller. The cluster similarity is calculated by utilizing a gravity center obtained by the mean value of the objects in each cluster, and the basic idea is as follows: clustering with k points in space as center, classifying the object closest to the points, and gradually updating the value of each clustering center by an iterative method until the best clustering result is obtained
The online calibration mode is that any driver is requested to finish driving under a specified working condition on the simulated driving test bed to obtain data of a steering wheel corner sw, a throttle opening degree throttle and a transverse position Y0 of the driver, the obtained data are input into a trained neural network, decision is made through a random forest algorithm, and the decision result is the driving characteristic category of the driver.
Claims (4)
1. A driver driving data acquisition-oriented simulation driving test bed is characterized in that the driver driving data acquisition-oriented online calibration test bed comprises a simulation output system, a control system and a data acquisition system;
the simulation output system comprises an experiment host (8) and a fixed platform (13);
the control system comprises a pedal (4), a G29 steering wheel (6) and a steering wheel fixing bracket (7); wherein: the pedal (4) comprises an accelerator pedal and a brake pedal;
the data acquisition system comprises an accelerator pedal displacement sensor integrated on an accelerator pedal, a brake pedal displacement sensor integrated on a brake pedal, and a steering wheel angle sensor integrated on a G29 steering wheel (6);
the simulation output system is installed on a foundation through a fixed platform (13), other components of the simulation output system are installed on the right side of the fixed platform (13), an accelerator pedal displacement sensor and a brake pedal displacement sensor are installed on the fixed platform (13) below a steering wheel fixed support (7) through pedals (4), and a steering wheel corner sensor is placed on the steering wheel fixed support (7) through a G29 steering wheel (6); the control system is arranged on the left side of the fixed platform (13); the output ends of the accelerator pedal displacement sensor, the brake pedal displacement sensor and the steering wheel angle sensor are respectively connected with an experimental host (8) through assembly lines.
2. The driver driving data acquisition-oriented simulation driving test bed according to claim 1, wherein the simulation output system further comprises an annular display screen (1), an annular display screen fixing support (2), 2 audio output systems (3) with the same structure, a first bolt group (9) and a VR helmet (12);
the annular display screen fixing support (2) is arranged at the center of the right side of the fixing platform (13), the annular display screen (1) is in threaded fastening connection with the upper end of the annular display screen fixing support (2) by adopting a first bolt group (9), 2 audio output systems (3) with the same structure are arranged on the fixing platform (13) at the left side of the annular display screen (1), and place both ends around annular display screen (1) symmetrically, experiment host computer (8) are arranged on fixed platform (13) of annular display screen fixed bolster (2) rear end, experiment host computer (8) are connected with annular display screen (1) through the VGA line, experiment host computer (8) are connected with 2 audio output system (3) that the structure is the same through the audio frequency line, VR helmet (12) during operation is worn on driver's head, VR helmet (12) pass through high definition data line HDMI line connection with experiment host computer (8).
3. A driver oriented driving data collection simulation test bed according to claim 1, wherein the steering control system further comprises a seat (5), a second bolt group (10), and 2 steering wheel clamps (11) with the same structure; wherein: the second bolt group (10) comprises 2 long bolts with the same structure;
the G29 steering wheel (6) is arranged on the top end of the steering wheel fixing bracket (7) by adopting 2 long bolts with the same structure and 2 steering wheel clamps (11) with the same structure, 2 steering wheel clamp (11) suit that the structure is the same on 2 long bolts that the structure is the same, be threaded fastening connection between the three, make steering wheel clamp (11) and the laminating of the bottom face of the middle flat board of the last cavity casing of steering wheel fixed bolster (7), G29 steering wheel (6) and the laminating of the top face of the middle flat board of the last cavity casing of steering wheel fixed bolster (7), play the fixed action, the distance of steering wheel fixed bolster (7) and annular display screen (1) is 95 centimetres to 105 centimetres, footboard (4) are arranged on fixed platform (13) of steering wheel fixed bolster (7) below, seat (5) are arranged in the left side of steering wheel fixed bolster (7).
4. The driver driving data acquisition-oriented simulation driving test bed according to claim 1, wherein the steering wheel fixing support (7) comprises 4 arc-shaped supporting columns with the same structure, an upper cavity shell, a lower cavity shell, a third bolt group (14) and a long pin (15);
the lower edges of the flat plates on the two sides of the upper cavity shell are provided with 1 threaded hole and 1 long pin hole, and the top plate of the upper cavity shell, namely the rear end of the middle flat plate, namely the edge on the same side with the 2 threaded holes on the flat plates on the two sides is provided with 2 threaded holes with the same structure;
the edge of the rear end of the flat plates on the two sides of the lower cavity shell is provided with 2 lower threaded holes with the same structure, the edge of the front end of the flat plates on the two sides of the lower cavity shell is provided with 1 lower long pin hole, the distances between the 2 lower threaded holes with the same structure and the lower long pin holes are equal, and the lower long pin holes are the same as the long pin holes of the upper cavity shell in structure and are aligned in position;
the top ends of the 4 arc-shaped supporting columns with the same structure are vertically and fixedly connected with four corners of the bottom surface of the lower cavity shell, long pins (15) are inserted into lower long pin holes of flat plates on two sides of the lower cavity shell and long pin holes of flat plates on two sides of the upper cavity shell, and the upper cavity shell is rotatably connected with the lower cavity shell;
and a third bolt group (14) is adopted and is fixedly connected with the upper cavity shell and the lower cavity shell through the threaded holes on the upper cavity shell and the lower threaded hole.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859564A (en) * | 2019-04-03 | 2019-06-07 | 孟鹏翔 | A kind of on-line proving testing stand towards the acquisition of driver's driving data |
| CN113487936A (en) * | 2021-07-26 | 2021-10-08 | 广州星锐传媒信息科技有限公司 | Simulation driving judgment method based on multi-dimensional continuous signal analysis |
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2019
- 2019-04-03 CN CN201920446267.1U patent/CN210691689U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859564A (en) * | 2019-04-03 | 2019-06-07 | 孟鹏翔 | A kind of on-line proving testing stand towards the acquisition of driver's driving data |
| CN109859564B (en) * | 2019-04-03 | 2024-05-28 | 吉林大学 | Online calibration test bed for driver driving data acquisition |
| CN113487936A (en) * | 2021-07-26 | 2021-10-08 | 广州星锐传媒信息科技有限公司 | Simulation driving judgment method based on multi-dimensional continuous signal analysis |
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