CN111439225B - Anticollision auxiliary device based on learner-driven vehicle - Google Patents
Anticollision auxiliary device based on learner-driven vehicle Download PDFInfo
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- CN111439225B CN111439225B CN202010331733.9A CN202010331733A CN111439225B CN 111439225 B CN111439225 B CN 111439225B CN 202010331733 A CN202010331733 A CN 202010331733A CN 111439225 B CN111439225 B CN 111439225B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
- B60Q5/006—Arrangement or adaptation of acoustic signal devices automatically actuated indicating risk of collision between vehicles or with pedestrians
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R2019/026—Buffers, i.e. bumpers of limited extent
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Abstract
The invention relates to the technical field of automobile safety, and discloses an anti-collision auxiliary device based on a learner-driven vehicle, which comprises a connecting plate, wherein a telescopic rod is fixed at the center of the outer side of the connecting plate, a bracket is fixed at the outer end of the telescopic rod, a main supporting wheel is arranged at the center of the outer end of the bracket, auxiliary supporting wheels are arranged at two ends of the bracket, the main supporting wheel and the auxiliary supporting wheels are rotatably connected with the bracket, elastic damping rings are arranged at the outer sides of the main supporting wheel and the auxiliary supporting wheels, and a main energy-absorbing pressure spring is sleeved at the outer side of the telescopic rod; and both ends of the inner side of the connecting plate are fixed with connecting rods connected with the frame beam. The energy-absorbing device is arranged at the front end or the rear end of a coach, so that a student can absorb energy in a buffering manner when the coach collides with a driving school, and the collision protection effect is realized on the coach.
Description
Technical Field
The invention relates to the technical field of automobile safety, in particular to an anti-collision auxiliary device based on a learner-driven vehicle.
Background
The learner-driven vehicle is a vehicle specially used for teaching in driving schools and is mainly used for training drivers and learners. Because the learner-driven vehicles are used for trainees of new hands, the learner-driven vehicles are used for the trainees to learn driving skills, auxiliary devices such as a reversing radar and a reversing image cannot be mounted on all the learner-driven vehicles, the trainees are the new hands, the driving school site is usually relatively compact, various errors frequently occur and the reaction is relatively slow during trainees of the new hands, and when the learner-driven vehicles are used for training parking, reversing and other projects, collision between the head and the tail of the learner-driven vehicles and walls, trees, buildings and other learner-driven vehicles around the site is often caused due to lack of experience, slow reaction, wrong actions (mistakenly stepping on an accelerator) and the like, and although the learner-driven vehicles in the driving school are driven at low speed, casualties cannot be generally caused during collision, even if the learner-driven vehicles are collided at low speed, the learner-driven vehicles can be damaged.
Disclosure of Invention
The invention provides an anti-collision auxiliary device based on a learner-driven vehicle, which can absorb collision energy of the learner-driven vehicle, convert rigid collision of the learner-driven vehicle into elastic collision and protect the learner-driven vehicle, so as to solve the problem that the learner-driven vehicle is easy to collide with the surroundings and damage the learner-driven vehicle when using the learner-driven vehicle in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-collision auxiliary device based on a learner-driven vehicle comprises a connecting plate, wherein a telescopic rod is fixed at the center of the outer side of the connecting plate, a support is fixed at the outer end of the telescopic rod, a main supporting wheel is arranged at the center of the outer end of the support, auxiliary supporting wheels are arranged at two ends of the support, the main supporting wheel and the auxiliary supporting wheels are rotatably connected with the support, elastic damping rings are arranged at the outer sides of the main supporting wheel and the auxiliary supporting wheels, and a main energy-absorbing pressure spring is sleeved at the outer side of the telescopic rod; and both ends of the inner side of the connecting plate are fixed with connecting rods connected with the frame beam. The anti-collision auxiliary device is fixed with a car frame beam at the front end or the rear end of a coach car through a connecting rod on a connecting plate, if the anti-collision auxiliary device is fixed with the front end of the coach car, the connecting rod directly penetrates through an air inlet grid plate and then is fixed with the car frame beam, if the anti-collision auxiliary device is fixed with the rear end of the coach car, two holes need to be formed in a car decorative plate below a trunk of the coach car, and the connecting rod is fixed with the car frame beam after penetrating through the holes; the student is at the training in-process, when training such as backing a car, parking, start turning, if the student results in the learner-driven vehicle to hit the wall, when colliding with the car by maloperation or reaction slow etc. the main supporting wheel of this kind of anticollision auxiliary device front end, supplementary supporting wheel and barrier contact, collision, the telescopic link is compressed along with main energy-absorbing pressure spring to play the effect of buffering energy-absorbing, also provide sufficient reaction time for the student, thereby avoid the learner-driven vehicle collision, damage.
Preferably, connecting seats are fixed at two ends of the outer side of the connecting plate, two parallel slide rods are fixed between the two connecting seats, two slide blocks are arranged between the two slide rods, the slide blocks are connected with the slide rods in a sliding manner, lower rotating seats are fixed on the top surfaces of the slide blocks, upper rotating seats are fixed on two sides of the bottom surface of the support, supporting arms are arranged between the upper rotating seats and the lower rotating seats, the upper ends of the supporting arms are rotatably connected with the upper rotating seats, the lower ends of the supporting arms are rotatably connected with the lower rotating seats, and the two supporting arms are distributed in a splayed manner; and auxiliary energy absorption compression springs are arranged at the positions, between the sliding block and the connecting seat, of the two ends of the sliding rod. When collision occurs, the telescopic rod is compressed, the supporting arm pushes the sliding block to move outwards, the auxiliary energy absorption compression spring is compressed to absorb energy, the buffering performance is further improved, and meanwhile the supporting arm can decompose the front collision force into lateral component force, so that the impact on the learner-driven vehicle is reduced.
Preferably, the anti-collision auxiliary device based on the instructional car is characterized in that a limiting block is fixed on the connecting plate and positioned on the inner side of the sliding block, the sliding block is abutted against the limiting block, a counter bore is arranged on the connecting plate and corresponds to the sliding block, a buzzer is arranged in the counter bore, and a buzzer button is arranged on the buzzer; under the natural state, the sliding block presses the buzzer button, the buzzer is muted, and when the sliding block is removed and the buzzer button bounces, the buzzer continuously buzzes. When bumping, the telescopic link is compressed, and two sliders all outwards remove, and buzzer button bounces this moment, and buzzer sends buzzing and warns, reminds the student to teach the car and bump around, and the student hears in time to step on the brake after buzzing to prevent further collision.
Preferably, a pressing type alarm is arranged at the position, close to the outer end of the sliding rod, of the bottom of the connecting plate, an elastic reset button is arranged on the pressing type alarm, and the elastic reset button extends out of the outer side face of the connecting plate; under the natural state, the pressing type alarm is silent, and when the sliding block moves to press the elastic reset button, the alarm gives an alarm. When collision happens and the sliding block moves to the elastic reset button, the elastic reset button is pressed down, the pressing type alarm gives an alarm, and the student is warned to brake immediately at the moment.
Preferably, the outer end of the connecting rod is fixed with the frame beam through a mounting assembly, the mounting assembly comprises a base and a hydraulic positioning sleeve, the hydraulic positioning sleeve is fixed on the base, the connecting rod penetrates through a central hole of the hydraulic positioning sleeve, a plurality of annular limiting grooves are formed in the connecting rod, a hydraulic cavity is formed in the hydraulic positioning sleeve, three groups of clamping blocks are arranged on the inner wall of the hydraulic positioning sleeve, the inner ends of the clamping blocks extend into the hydraulic cavity, and limiting teeth matched with the annular limiting grooves are arranged at the outer ends of the clamping blocks; the hydraulic positioning sleeve is also connected with a hydraulic driving mechanism; when the hydraulic driving mechanism drives the clamping block to extend out, the limiting teeth on the clamping block are clamped into the annular limiting grooves for limiting, and when the hydraulic driving mechanism drives the clamping block to retract, the connecting rod can be freely pulled out of the hydraulic positioning sleeve. The base and the hydraulic positioning sleeve are fixed on a vehicle frame beam, when the anti-collision auxiliary device is installed, the connecting rods are inserted into the hydraulic positioning sleeve in a one-to-one correspondence mode, the clamping blocks in the hydraulic positioning sleeve clamp the annular limiting grooves in the connecting rods through a hydraulic driving mechanism, integral installation is achieved, the position between the connecting rods and the hydraulic positioning sleeve can be freely adjusted according to the distance between a teaching vehicle decorative plate and the vehicle frame beam, the anti-collision auxiliary device is very convenient to install, the anti-collision auxiliary device is installed on a vehicle when a second subject (driving school internal field exercise) is performed, and the anti-collision auxiliary device can be conveniently detached when a third subject (road exercise) is performed; when the subject three is usually practiced, the trainees already have certain driving experience and basic driving skill, and the auxiliary device is not needed.
Preferably, the hydraulic driving mechanism comprises a hydraulic cylinder and a piston, the lower end of the hydraulic cylinder is fixed to the frame beam, an end cover is arranged at the upper end of the hydraulic cylinder, a screw rod is arranged at the center of the end cover and penetrates through the end cover to be in threaded connection with the end cover, a piston cavity is arranged in the hydraulic cylinder, the side wall of the lower end of the piston cavity is communicated with a hydraulic cavity in the hydraulic positioning sleeve through a hydraulic pipe, the piston is arranged at the upper end of the piston cavity, a reset pressure spring is arranged between the piston and the bottom of the piston cavity in the piston cavity, the lower end of the screw rod is abutted to the piston, a connecting block is fixed to the upper end of the. During installation, after the connecting rod is inserted into the hydraulic positioning sleeve, the wrench is inserted into the wrench hole to rotate the screw rod, the screw rod pushes the piston to move, and the clamping block extends out to clamp the connecting rod under the hydraulic action in the hydraulic positioning sleeve, so that the anti-collision auxiliary device is installed on the vehicle body; otherwise, the screw rod is loosened, the clamping block retracts to reset, and the whole body can be separated from the vehicle.
Preferably, the inner end of the clamping block is provided with a limiting lug, a reset reed is arranged between the limiting lug and the inner wall of the hydraulic cavity, and a support column is arranged between the inner end of the clamping block and the inner wall of the hydraulic cavity. The reset reed is convenient for the clamping block to reset, and the support column is used for limiting the position of the clamping block.
Preferably, the inner side surface of the connecting plate is provided with a plurality of flexible supporting strips. The flexible support strip contacts with the outer wall of the vehicle decorative plate and is used for protecting the vehicle decorative plate.
Therefore, the energy-absorbing device is arranged at the front end or the rear end of the coach, so that a student can absorb energy in a buffering manner when the coach collides with a driving school, and the collision protection effect is realized on the coach; meanwhile, when collision occurs, the alarm can give out buzzing sound and alarm sound according to different collision degrees so as to warn students to take measures quickly and prevent further collision; this kind of anticollision auxiliary device is fit for new student's subject two places exercise and uses.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Fig. 2 is a top view of the connection plate of fig. 1.
Fig. 3 is a schematic view of the connection between the support arm and the upper and lower rotary bases.
Fig. 4 is a schematic diagram of the connection between the hydraulic driving mechanism and the hydraulic positioning sleeve.
FIG. 5 is a schematic view of the present invention installed with a learner-driven vehicle.
In the figure: the device comprises a connecting plate 1, a flexible supporting bar 100, an expansion link 2, a support 3, a main supporting wheel 4, an auxiliary supporting wheel 5, an elastic damping ring 6, a main energy-absorbing compression spring 7, a connecting rod 8, an annular limiting groove 80, a connecting seat 9, a sliding rod 10, a sliding block 11, a lower rotating seat 12, an upper rotating seat 13, a supporting arm 14, an auxiliary energy-absorbing compression spring 15, a limiting block 16, a buzzer 17, a buzzer button 18, a pressing alarm 19, an elastic reset button 20, a mounting component 21, a base 22, a hydraulic positioning sleeve 23, a hydraulic cavity 230, a clamping block 231, a limiting tooth 232, a limiting lug 233, a reset reed 234, a supporting column 235, a hydraulic driving mechanism 24, a hydraulic cylinder 240, a piston 241, an end cover 242, a screw 243, a piston cavity 244, a hydraulic pipe 245, a connecting block 246, a wrench hole 247, a reset compression spring 248, a frame beam 25.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1, 2, 3 and 4, the anti-collision auxiliary device based on the instructional car comprises a connecting plate 1, a telescopic rod 2 is fixed at the center of the outer side of the connecting plate 1, a support 3 is fixed at the outer end of the telescopic rod 2, a main supporting wheel 4 is arranged at the center of the outer end of the support 3, auxiliary supporting wheels 5 are arranged at the two ends of the support, the main supporting wheel 4 and the auxiliary supporting wheels 5 are rotatably connected with the support 3, elastic damping rings 6 are arranged on the outer sides of the main supporting wheel and the auxiliary supporting wheels, the elastic damping rings are made of rubber, and a main energy-absorbing pressure spring 7 is sleeved on the outer side of the telescopic rod 2; the two ends of the inner side of the connecting plate 1 are both fixed with connecting rods 8 connected with the frame beams, and the inner side surface of the connecting plate is provided with a plurality of flexible supporting strips 100; connecting seats 9 are fixed at two ends of the outer side of the connecting plate 1, two parallel slide rods 10 are fixed between the two connecting seats 9, two slide blocks 11 are arranged between the two slide rods 10, the slide blocks 11 are connected with the slide rods in a sliding manner, lower rotating seats 12 are fixed on the top surfaces of the slide blocks, upper rotating seats 13 are fixed on two sides of the bottom surface of the support 3, supporting arms 14 are arranged between the upper rotating seats 13 and the lower rotating seats 12, the upper ends of the supporting arms 14 are rotatably connected with the upper rotating seats, the lower ends of the supporting arms 14 are rotatably connected with the lower rotating seats, the two supporting arms 14 are distributed in a splayed manner, auxiliary energy absorption compression springs 15 are arranged at positions, located between the slide blocks and the connecting seats, limiting blocks 16 are fixed on the inner sides of the slide blocks on;
a counter bore is arranged at the position, corresponding to the sliding block, of the connecting plate 1, a buzzer 17 is arranged in the counter bore, a buzzer button 18 is arranged on the buzzer, when the sliding block 11 presses the buzzer button, the buzzer is muted, and when the sliding block is moved away and the buzzer button bounces, the buzzer continuously buzzes; the bottom of the connecting plate 1 is provided with a pressing type alarm 19 close to the outer end of the sliding rod, the pressing type alarm is provided with an elastic reset button 20, the elastic reset button extends out of the outer side face of the connecting plate, the pressing type alarm is silent in a natural state, and when the elastic reset button is pressed down when the sliding block moves, the alarm gives an alarm.
The outer end of the connecting rod 8 is fixed with a frame beam through a mounting assembly 21, the mounting assembly 21 comprises a base 22 and a hydraulic positioning sleeve 23, the hydraulic positioning sleeve 23 is fixed on the base, the connecting rod 8 penetrates through a central hole of the hydraulic positioning sleeve, a plurality of annular limiting grooves 80 are formed in the connecting rod 8, a hydraulic cavity 230 is formed in the hydraulic positioning sleeve 23, three groups of clamping blocks 231 are arranged on the inner wall of the hydraulic positioning sleeve 23, the inner ends of the clamping blocks extend into the hydraulic cavity, limiting teeth 232 matched with the annular limiting grooves are arranged at the outer ends of the clamping blocks 231, limiting lugs 233 are arranged at the inner ends of the clamping blocks 231, reset reeds 234 are arranged between the limiting lugs and the inner wall of the hydraulic cavity, and supporting columns 235 are arranged between the inner ends of the clamping;
the hydraulic positioning sleeve 23 is also connected with a hydraulic driving mechanism 24, the hydraulic driving mechanism 24 comprises a hydraulic cylinder 240 and a piston 241, the lower end of the hydraulic cylinder is fixed with the frame beam, the upper end of the hydraulic cylinder is provided with an end cover 242, the center of the end cover is provided with a screw 243, the screw penetrates through the end cover and is in threaded connection with the end cover, a piston cavity 244 is arranged in the hydraulic cylinder, the side wall of the lower end of the piston cavity is communicated with a hydraulic cavity in the hydraulic positioning sleeve 23 through a hydraulic pipe 245, the piston is arranged at the upper end of the piston cavity, a reset pressure spring 248 is arranged between the piston and the bottom of the piston cavity in the piston cavity 244, the lower end of the screw is abutted against the piston, the upper end of; when the hydraulic driving mechanism drives the clamping block to extend out (namely the screw rotates to push the piston to move downwards), the limiting teeth on the clamping block are clamped into the annular limiting groove to be limited, and when the hydraulic driving mechanism drives the clamping block to retract (namely the screw rotates reversely, the piston resets under the action of the reset pressure spring), the connecting rod can be freely pulled out from the hydraulic positioning sleeve.
The principle of the invention is as follows with reference to the attached drawings: when practicing in a second field of subjects, the front end and the rear end (which can be arranged at the front end or the rear end according to actual requirements) of a coach car 27 are arranged according to the mode shown in fig. 1 and 5, when the anti-collision auxiliary device is arranged at the front end of the coach car, the mounting assembly 21 and the hydraulic driving mechanism 24 are fixed on a car frame beam 25, the connecting rod penetrates through the air inlet grid and then extends into the hydraulic positioning sleeve 23, then the wrench penetrates through the air inlet grid and then drives the screw rod to rotate, and the clamping blocks in the hydraulic positioning sleeve clamp the connecting rod; when the anti-collision auxiliary device is installed at the rear end of the learner-driven vehicle, three holes need to be formed in a vehicle decorative plate 26 below a trunk of the learner-driven vehicle, wherein two holes are used for penetrating connecting rods, and the other hole corresponds to a wrench hole and is used for a wrench to penetrate; in the course of training of a student in the second subject, when the learner-driven vehicle collides with the surrounding wall, trees or other vehicles, the main supporting wheels and the auxiliary supporting wheels at the front end of the anti-collision auxiliary device are contacted and collided with the wall, the telescopic rods are compressed along with the main energy-absorbing compression springs, the supporting arms push the sliding blocks to move outwards, the auxiliary energy-absorbing compression springs are also compressed and absorb energy, the buffer performance is further improved, and meanwhile, the supporting arms can decompose the front collision force into lateral component force, so that the impact on the learner-driven vehicle is reduced; because the slider outwards removes, bee calling organ sends the buzzing sound, informs the student and bumps, and when the collision was violent, the slider outwards removed and pushes down the push type alarm, and the alarm takes place the chimes of doom for the push type alarm, further warns the student. When the third subject (practice on the road) is carried out, the anti-collision auxiliary devices at the front and the rear of the learner-driven vehicle are detached and placed in the trunk. When the anti-collision auxiliary device is installed on a learner-driven vehicle for use, the collision of the learner-driven vehicle can buffer and absorb energy, the damage of the collision to the vehicle body is reduced, the collision time is prolonged, and more reaction time is provided for students for emergency treatment; when the collision occurs again, the buzzer and the alarm can also give out sound early warning, so that the sound reminding effect is played for the student, the student is prompted to take emergency treatment measures, and the potential safety hazard is reduced.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (7)
1. An anti-collision auxiliary device based on a learner-driven vehicle comprises a connecting plate and is characterized in that a telescopic rod is fixed at the center of the outer side of the connecting plate, a support is fixed at the outer end of the telescopic rod, a main supporting wheel is arranged at the center of the outer end of the support, auxiliary supporting wheels are arranged at two ends of the support, the main supporting wheel and the auxiliary supporting wheels are rotatably connected with the support, elastic damping rings are arranged at the outer sides of the main supporting wheel and the auxiliary supporting wheels, and a main energy-absorbing pressure spring is sleeved at the outer side of the telescopic rod; the two ends of the inner side of the connecting plate are both fixed with connecting rods connected with the frame beam; the outer end of the connecting rod is fixed with the frame beam through a mounting assembly, the mounting assembly comprises a base and a hydraulic positioning sleeve, the hydraulic positioning sleeve is fixed on the base, the connecting rod penetrates through a central hole of the hydraulic positioning sleeve, a plurality of annular limiting grooves are formed in the connecting rod, a hydraulic cavity is formed in the hydraulic positioning sleeve, three groups of clamping blocks are arranged on the inner wall of the hydraulic positioning sleeve, the inner ends of the clamping blocks extend into the hydraulic cavity, and limiting teeth matched with the annular limiting grooves are arranged at the outer ends of the clamping blocks; the hydraulic positioning sleeve is connected with a hydraulic driving mechanism; when the hydraulic driving mechanism drives the clamping block to extend out, the limiting teeth on the clamping block are clamped into the annular limiting grooves for limiting, and when the hydraulic driving mechanism drives the clamping block to retract, the connecting rod can be freely pulled out of the hydraulic positioning sleeve.
2. The anti-collision auxiliary device based on the instructional car as claimed in claim 1, wherein connecting seats are fixed at two ends of the outer side of the connecting plate, two parallel slide bars are fixed between the two connecting seats, two slide blocks are arranged between the two slide bars, the slide blocks are connected with the slide bars in a sliding manner, a lower rotating seat is fixed on the top surface of each slide block, an upper rotating seat is fixed on each side of the bottom surface of the support, a supporting arm is arranged between the upper rotating seat and the lower rotating seat, the upper end of the supporting arm is rotatably connected with the upper rotating seat, the lower end of the supporting arm is rotatably connected with the lower rotating seat, and the two supporting arms are distributed in a splayed manner; and auxiliary energy absorption compression springs are arranged at the positions, between the sliding block and the connecting seat, of the two ends of the sliding rod.
3. The anti-collision auxiliary device based on the instructional car as claimed in claim 2, wherein a limiting block is fixed on the connecting plate at the inner side of the sliding block, the sliding block abuts against the limiting block, a counter bore is arranged at the position of the connecting plate corresponding to the sliding block, a buzzer is arranged in the counter bore, and a buzzer button is arranged on the buzzer; under the natural state, the sliding block presses the buzzer button, the buzzer is muted, and when the sliding block is removed and the buzzer button bounces, the buzzer continuously buzzes.
4. The anti-collision auxiliary device based on the instructional car as claimed in claim 2 or 3, wherein a pressing type alarm is arranged at the bottom of the connecting plate near the outer end of the slide bar, an elastic reset button is arranged on the pressing type alarm, and the elastic reset button extends out of the outer side surface of the connecting plate; under the natural state, the pressing type alarm is silent, and when the sliding block moves to press the elastic reset button, the alarm gives an alarm.
5. The anti-collision auxiliary device based on the instructional car as claimed in claim 1, wherein the hydraulic driving mechanism comprises a hydraulic cylinder and a piston, the lower end of the hydraulic cylinder is fixed to the frame beam, an end cover is arranged at the upper end of the hydraulic cylinder, a screw rod is arranged at the center of the end cover, the screw rod penetrates through the end cover and is in threaded connection with the end cover, a piston cavity is arranged in the hydraulic cylinder, the side wall of the lower end of the piston cavity is communicated with a hydraulic cavity in the hydraulic positioning sleeve through a hydraulic pipe, the piston is arranged at the upper end of the piston cavity, a reset pressure spring is arranged between the piston and the bottom of the piston cavity in the piston cavity, the lower end of the screw rod abuts against the piston, a connecting block is fixed at the upper end.
6. The anti-collision auxiliary device based on the instructional car as claimed in claim 1, wherein a limiting lug is arranged at the inner end of the clamping block, a reset reed is arranged between the limiting lug and the inner wall of the hydraulic cavity, and a support column is arranged between the inner end of the clamping block and the inner wall of the hydraulic cavity.
7. The learner-driven vehicle as defined in claim 1, wherein the inner surface of the connecting plate is provided with a plurality of flexible support bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331733.9A CN111439225B (en) | 2020-04-24 | 2020-04-24 | Anticollision auxiliary device based on learner-driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331733.9A CN111439225B (en) | 2020-04-24 | 2020-04-24 | Anticollision auxiliary device based on learner-driven vehicle |
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| Publication Number | Publication Date |
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| CN111439225A CN111439225A (en) | 2020-07-24 |
| CN111439225B true CN111439225B (en) | 2021-06-15 |
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| CN202010331733.9A Active CN111439225B (en) | 2020-04-24 | 2020-04-24 | Anticollision auxiliary device based on learner-driven vehicle |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997209A (en) * | 1972-02-08 | 1976-12-14 | Chika John J | Collision deflecting system for fast moving vehicles |
| CN2887672Y (en) * | 2006-01-24 | 2007-04-11 | 罗咤 | Vehicle backing alarm device |
| CN205220579U (en) * | 2015-11-17 | 2016-05-11 | 重庆电子工程职业学院 | Car bumper energy absorption and shock absorption device |
| CN207510348U (en) * | 2017-09-26 | 2018-06-19 | 张涛 | A kind of good automobile front beam of cushion performance |
| CN107982927A (en) * | 2017-12-09 | 2018-05-04 | 郭姗姗 | A kind of crash-proof children 4-wheel driven car |
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2020
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Effective date of registration: 20230112 Address after: 518000 607, building 49, No.3, Queshan Yunfeng Road, Gaofeng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huiteng Information Technology Service Co.,Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 528 Patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING |
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