CN103569034A - Intelligent-control initiative pretensioner for automobile safety belt - Google Patents
Intelligent-control initiative pretensioner for automobile safety belt Download PDFInfo
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- CN103569034A CN103569034A CN201310473778.XA CN201310473778A CN103569034A CN 103569034 A CN103569034 A CN 103569034A CN 201310473778 A CN201310473778 A CN 201310473778A CN 103569034 A CN103569034 A CN 103569034A
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Abstract
The invention relates to an intelligent-control initiative pretensioner for an automobile safety belt. The intelligent-control initiative pretensioner comprises a braided belt, a braided belt winding shaft, a braided belt winding shaft support, a power transferring device and an electronic control device; the power transferring device consists of two levels of reduction mechanism, a cylindrical gear transmission mechanism is adopted for the primary reduction, a worm-gear transmission mechanism is adopted for the secondary reduction, and a pair of centrifugal throwing hammers is installed on a flange of a worm gear; the electronic control device comprises a car-mounted electric control unit, multiple danger early-warning sensors and a braided belt tension sensor, and the braided belt tension sensor is installed on the braided belt of the safety belt. By adopting the intelligent-control initiative pretensioner, the restriction action is automatically actuated according to the danger situation of the vehicle, the protection function of the safety belt can be improved, the safety belt can be driven to be strained by adopting the electronic control device to trigger a motor under the situation that the braided belt is loosened in the preliminary stage of the danger, and a reliable restraining effect is provided for a passenger in a repeatable pretensioning way.
Description
Technical field
The present invention relates to a kind of automobile safety equipment, particularly a kind of intelligent control type car belt active preloader.
Background technology
Safety strap is one of main fender guard of occupant restrain system, is indispensable device on high speed moving vehicle seat.Common safety strap by the caused occupant of anxious acceleration/accel that produces when by vehicle collision sharply displacement retrain and realize defencive function.During auto against, safety strap by occupant restraint on the seat, makes occupant's head, chest be unlikely to bump against forward steering handwheel, instrument carrier panel and windshield, reduces the danger that secondary collision occurs occupant.
Itself also has weak point common safety strap, due to safety strap dynamically the amount of pulling out and ribbon and occupant wear the existence in gap, cause ribbon lax, when collision occurs, increased the risk that secondary collision in car occurs occupant.For an adult, the slack of the nearly 120mm of safety strap, these slacks are by the injury values that increases by 20%.Federal Motor Vehicles Safety Standards FMVSS208 rules for improve to different statures, wear and do not wear safety strap occupant protection and for reducing the danger of the casualty accident that baby, children and other occupants are caused by safety air bag, more technical requirements has been proposed; but common car belt cannot meet the requirement of carrying out intelligent early-warning and pretension before vehicle is about to the situation of causing danger and does not bump, the active preload Technique of safety strap is suggested thus.
Belt with pre-load device is the same with general safety strap under normal motoring condition, and ribbon can need free-extension according to occupant, guarantees traveling comfort.When the electronic sensor of vehicle perceives acceleration/accel or other sharply (before may having an accident) during changing factor, an activator appliance provides the signal that carries out pre-tightening to pre-tightening device, mechanism in safety strap can be by ribbon locking, occupant restraint on the seat.When accident occurs really, general safety strap is due to the percentage elongation of the gap between braided strap winding gap, ribbon and occupant's health and ribbon itself, and when having an accident, occupant still has certain amount of moving forward.And advance compact form safety strap can tightening up by ribbon in advance; the gap of eliminating ribbon and health retracts seat by the reach of occupant's health before secondary collision, improves occupant restraint situation; thereby more effectively prevent the injury that secondary collision may bring, implement occupant and effectively protect.
The taking-up device playing a major role in belt with pre-load device is different from common safety strap, except the folding and unfolding ribbon function of common taking-up device, also have when the speed of a motor vehicle occurs sharply to change, can within a few tens of milliseconds, produce the constrained force to occupant, so it also has control setup and pretension apparatus.Control setup divides two kinds of forms: a kind of is electronic control device, and another kind is mechanical control device.Common pretension apparatus is a kind of deflagration type at present, and deflagration type pre-tightening mechanism is generally comprised of sensitive mechanism and retracting mechanism.Sensitive mechanism is the device that triggers retracting mechanism work, is divided into two kinds of mechanical type and electronic types.Pre-tightening safety strap with mechanical type sensitive mechanism can independently be used, because mechanical type sensitive mechanism is provided with sensor, controller and excitation mechanism.When sensor detects pickup amount and is greater than the amount of setting, controller impels excitation mechanism to excite pre-tightening device, makes pre-tightening device enter mode of operation; And electronic type sensitive mechanism is by Vehicle security system central controller monitoring pickup size, through computer, process, signal that will the work of pre-tightening device is given control setup, and control setup sends the electric current that excites pre-tightening device, and pre-tightening device is started working.The pre-tightening safety strap of the sensitive mechanism of charged minor, common and auxiliary security air bag is used in combination.The conventional detonation producer of retracting mechanism produces high pressure gas as the power of pulling back, and realizes the pre-tightening of ribbon.
Deflagration type pretension apparatus is comprised of gas initiating agent, gas generant, guide pin bushing, piston, rope and drive wheel.Gas initiating agent also claims firing unit, and gas generant produces pressed gas under the effect of gas initiating agent, and piston is arranged in guide pin bushing, and rope one end is on drive wheel, and the other end is fixed on piston.Pre-tightening device is being subject to before controller excites, and gas initiating agent and gas generant are sealed in the leakproof tank that is called gas generator, after being subject to controller and exciting, the spontaneous combustion immediately of the initiating agent of leakproof tank inner bottom part, ignite the gas generant in same leakproof tank, gas generant produces rapidly a large amount of gas, pressure in leakproof tank is skyrocketed, and break through leakproof tank, enter the closed chamber that guide pin bushing and piston form, under gaseous tension effect, piston upward movement, pull rope, rope drives drive wheel rotation, drive wheel rotates belt reel, ribbon is on belt reel, reach the object that ribbon is pulled back, last lock in emergency taking-up device locking ribbon, occupant's forward setting distance is shortened, avoided collision.
This deflagration type pretension safety strap drives ribbon backrush owing to adopt igniting gas generant, can not repeated usage, once ignite inevitable integral replacing, so cost is higher, has caused its limitation in using.In addition, in view of structural restriction, when vehicle can not be reminded driver and crew and warn by initiatively applying ribbon predetermincd tension in danger this device of when early stage.
Summary of the invention
Object of the present invention is just to provide initiatively preloader of a kind of intelligent control type car belt; this preloader is equipped with intelligent control system; can automatically perform constrained action according to vehicle dangerous situation and improve safety strap defencive function; in the situation that danger early stage, ribbon was lax; can touch generator drive safety strap by electronic control package and tighten up, a kind of pre-tensioner mode that can repeat function of take provides more failure-free effect of contraction as occupant.
For reaching above-mentioned purpose, technical scheme of the present invention is: a kind of intelligent control type car belt is preloader initiatively, comprises ribbon, ribbon spool and ribbon scroll support, it is characterized in that: also comprise torque transfer and electronic control package;
Described torque transfer is comprised of two reduction gear, wherein first order deceleration adopts spur gear drive mechanism, it comprises first stage decelerator driver pinion, first stage decelerator intermediate gear and the driven big gear wheel of first stage decelerator of engagement successively, and first stage decelerator driver pinion is sleeved on drive motor output shaft; Slow down and adopt Worm and worm-wheel gearing in the second stage; the driven big gear wheel of first stage decelerator is sleeved on worm screw coaxial with worm screw; turbine is engaged on worm screw; a pair of centrifugal drying hammer is arranged on worm gear flange; its outside, end is with ratchet; the ribbon spool axle head inside corresponding with worm gear flange is internally toothed annulus, and the profile of tooth of this internally toothed annulus is corresponding with the profile of tooth of the ratchet of centrifugal drying hammer;
Described electronic control package comprises vehicle-mounted controlled vehicle-mounted electrical unit, multichannel danger early warning sensor and ribbon tension pick-up, ribbon tension pick-up is arranged on belt-strap, the signal of multichannel early warning sensor is transferred to the input port of vehicle-mounted controlled vehicle-mounted electrical unit, the output port of vehicle-mounted controlled vehicle-mounted electrical unit is connected with drive motor, and the transmission of feedback information of ribbon tension pick-up is to vehicle-mounted controlled vehicle-mounted electrical unit.
On above-mentioned centrifugal drying hammer, be connected with pull back spring.
Above-mentioned multichannel early warning sensor comprises automobile longitudinal, lateral acceleration sensor, forward and backward collision avoidance radar sensor, automobile yaw-rate sensor, steering wheel angle sensor and brake pedal displacement pickup.
Above-mentioned controlled vehicle-mounted electrical unit adopts chip M9S12DP256B.
Principle of work of the present invention is: various states information and the driver's operation information that multichannel early warning sensor can real-time perception vehicle operating also transmits it to vehicle-mounted controlled vehicle-mounted electrical unit, vehicle-mounted controlled vehicle-mounted electrical unit can send corresponding control command and turn round with drive motor after multichannel danger early warning sensor signal being carried out to logic operation and judging, the rotation of drive motor is through gear and worm gear, after the double reduction of worm screw, finally by centrifugal drying, hammer into shape and drive the backrush of ribbon spool, ribbon is pulled, eliminate clearance between occupant and ribbon, reach the defencive function of the front pretension safety strap of accident generation prerequisite.
The present invention has following advantage and good effect:
1. there is intelligent early-warning and active pretension function.The multichannel early warning sensor that the present invention is set and vehicle-mounted controlled vehicle-mounted electrical unit can accurately be estimated vehicle condition, can provide early warning and classification pretension defencive function for occupant.
2. compact overall structure, it is reasonable that ribbon furls speed.The present invention adopts double reduction structure to make preloader overall dimensions less, easy for installation, and because Worm Wheel System can adopt larger transmitting ratio, has guaranteed that ribbon can be with rational speed backrush.
3. reusable, cost is lower.The present invention adopts Based Intelligent Control, motor to drive firmly beforehand means, has avoided the gas deflagration type preloader can not reusable defect.
4. there is ribbon tension feedback function.Ribbon tension pick-up of the present invention can perception ribbon in predetermincd tension size and by its signal feedback to controlled vehicle-mounted electrical unit, when ribbon predetermincd tension surpasses prescribed limits, controlled vehicle-mounted electrical unit will send instruction, reduce drive motor output torque, to avoid excessive predetermincd tension to damage occupant.
5. owing to having adopted the centrifugal drying hammer of a pair of energy unidirectional delivery power, so when without danger, can not have any impact to the work of former safety strap.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention;
Fig. 2 is the centrifugal drying hammer installation site of arriving involved in the present invention and coordinates schematic diagram with ribbon spool;
Fig. 3 is the control policy schematic diagram of electronic control package of the present invention;
Fig. 4 is each block construction schematic diagram that the present invention arranges with relative installation.
Description of reference numerals: 1-ribbon; 2-ribbon scroll support; 3-taking-up device; 4-multichannel danger early warning sensor; The vehicle-mounted controlled vehicle-mounted electrical of 5-unit; 6-DC machine; 7-retarder miniature gears; 8-retarder intermediate gear; 9-retarder big gear wheel; 10-worm screw; 11-worm gear; 12-ribbon spool; 13-ribbon tension pick-up; 14-pull back spring; 15-centrifugal drying hammer.
The specific embodiment:
As shown in the figure: a kind of intelligent control type car belt is preloader initiatively, ribbon (1), ribbon spool (12), ribbon scroll support (2), torque transfer and electronic control package, consists of.
Described torque transfer is comprised of two reduction gear, wherein first order deceleration adopts spur gear drive mechanism, and it comprises with the first stage decelerator driver pinion (7) that drives DC machine (6) to be connected, playing a transition role increases first stage decelerator intermediate gear (8) and the driven big gear wheel of first stage decelerator (9) of transmission distance; Slow down and adopt Worm and worm-wheel gearing in the second stage, first stage decelerator driver pinion is sleeved on drive motor axle, it is upper coaxial with worm screw that the driven big gear wheel of first stage decelerator is sleeved on worm screw (10), turbine (11) is engaged on worm screw, a pair of centrifugal drying hammer (15) is arranged on worm gear flange, its outside, end is with ratchet, and ribbon spool (12) the axle head inside corresponding with worm gear flange is internally toothed annulus, and the profile of tooth of this internally toothed annulus is corresponding with the profile of tooth of the ratchet of centrifugal drying hammer.Above-mentioned centrifugal drying hammer has the function of unidirectional delivery motion.When motor gyroscopic movement drives worm gear to rotate through transmission, due to the effect of centnifugal force, centrifugal drying hammer throws away the pulling force that overcomes pull back spring, and the internal tooth of ratchet and ribbon spool engagement on it drives ribbon spool backrush pretension ribbon.After motor stops operating, centrifugal drying hammer reclaims under the effect of pull back spring pulling force, no longer meshes with the internal tooth of ribbon spool axle head, and transmission of power interrupts.Otherwise when ribbon spool active rotation and motor while not turning, because centrifugal drying hammer is placed on worm gear, worm gear does not turn and gets rid of hammer and can not throw away, thus the rotation of ribbon spool can back transfer to worm gear.Therefore,, as long as motor does not turn, each element of additional two reduction gear just can not affect the normal operation of former belt system.
Described electronic control package comprises vehicle-mounted controlled vehicle-mounted electrical unit, multichannel danger early warning sensor and ribbon tension pick-up, ribbon tension pick-up is arranged on belt-strap, the signal of multichannel early warning sensor is transferred to the input port of vehicle-mounted controlled vehicle-mounted electrical unit, the output port of vehicle-mounted controlled vehicle-mounted electrical unit is connected with drive motor, and the transmission of feedback information of ribbon tension pick-up is to vehicle-mounted controlled vehicle-mounted electrical unit.Described vehicle-mounted controlled vehicle-mounted electrical unit adopts the micro controller system of Freescale (Freescale), and chip model is M9S12DP256B.
In the present embodiment, the basis of preloader Based Intelligent Control is multichannel early warning sensor (4) and vehicle-mounted controlled vehicle-mounted electrical unit (5).Danger early warning sensor (4) comprises automobile longitudinal, lateral acceleration sensor, before, backward collision avoidance radar, automobile yaw-rate sensor, bearing circle tachogen, brake pedal displacement pickup etc., wherein automobile longitudinal acceleration signal and brake pedal displacement transducer signal can be used to comprehensively judge automobile emergency brake, anxious accelerating mode, transverse acceleration and yaw velocity signal can be used to differentiate the steadiness that automobile cornering travels, before, backward collision avoidance radar sensor can be used to differentiate relative spacing between vehicle and front and back car, bearing circle tachogen can assist controlled vehicle-mounted electrical unit identification of driver to turn to intention on the one hand, according to the variation of rotating of steering wheel cireular frequency, also can reflect whether chaufeur avoids risk on the other hand, therefore rotating of steering wheel angular velocity signal also can judge in conjunction with yaw velocity signal whether the turning driving of automobile is caused by emergency risks situation.
In the present invention, when vehicle-mounted controlled vehicle-mounted electrical unit (5) receives after above-mentioned each sensor signal, through complicated logic operation, will make accurate judgement to running conditions of vehicle, if think that vehicle is in dangerous working condition, can send corresponding control command according to hazard level safety strap is carried out to pretension, and by regulating the exciting current of motor (6) to control the output torque of motor (6), to reach the control effect of different predetermincd tensions.And after the dangerous disappearance of controlled vehicle-mounted electrical unit (5) judgement, also can send corresponding control command and remove predetermincd tension.
Drive DC machine (6) once start to rotate (by ribbon backrush direction rotation) after receiving the instruction of vehicle-mounted controlled vehicle-mounted electrical unit (5), after first stage decelerator driver pinion (7), first stage decelerator intermediate gear (8), the driven big gear wheel of first stage decelerator (9), drive the most at last the worm screw (10) and worm gear (11) rotation of two-stage reduction gear.A pair of centrifugal drying hammer (15) is installed on worm gear flange, when worm gear is static, centrifugal drying hammer (15) is attached on worm gear flange by pull back spring (14) tension, at centrifugal drying, hammer outside, (15) end into shape with ratchet, worm gear flange and centrifugal drying hammer (15) will stretch in the internally toothed annulus of ribbon spool (12) end when assembling, but get rid of hammer (15) ratchet, can not contact engagement when static with ribbon spool (12) internal tooth.Once worm gear (11) starts to rotate, effect due to centnifugal force, getting rid of hammer (15) throws away the pulling force that overcomes pull back spring (14), the now internal tooth of ratchet and ribbon spool (12) engagement on it, thereby drive ribbon spool (12) to rotate along the direction of recession of ribbon (1), therefore above-mentioned centrifugal drying hammer (15) has the function of unidirectional delivery motion.
Once after motor (6) stops operating, centrifugal drying hammer (15) reclaims under pull back spring (14) pulling force effect, no longer mesh with the internal tooth of ribbon spool (12) axle head, transmission of power interrupts.And when ribbon spool (12) active rotation, owing to now getting rid of hammer (15), do not throw away, on it, ratchet and ribbon spool (12) internal tooth do not mesh, thus the rotation of ribbon spool (12) can back transfer to the various driver elemenies of worm gear (11) and front end thereof.Therefore as long as motor (6) does not turn, initiatively each parts of preloader can not affect the normal operation of former safety strap, can not increase the power that furls of occupant's tensile force and ribbon.
When ribbon (1) is tightened up, ribbon tension pick-up (13) can perception ribbon (1) in tensile force size and by its signal feedback to controlled vehicle-mounted electrical unit (5), when ribbon tensile force surpasses prescribed limits, controlled vehicle-mounted electrical unit (5) can send instruction, reduce the torque of motor (6) output, to avoid excessive tensile force to damage occupant.
The above embodiment is only to explanation of the present invention, is not limitation of the invention, and the design that the present invention asks for protection and scope are all recorded in claims of the present invention.
Claims (4)
1. an intelligent control type car belt active preloader, comprises ribbon, ribbon spool and ribbon scroll support, it is characterized in that: also comprise torque transfer and electronic control package;
Described torque transfer is comprised of two reduction gear, wherein first order deceleration adopts spur gear drive mechanism, it comprises first stage decelerator driver pinion, first stage decelerator intermediate gear and the driven big gear wheel of first stage decelerator of engagement successively, and first stage decelerator driver pinion is sleeved on drive motor output shaft; Slow down and adopt Worm and worm-wheel gearing in the second stage; the driven big gear wheel of first stage decelerator is sleeved on worm screw coaxial with worm screw; turbine is engaged on worm screw; a pair of centrifugal drying hammer is arranged on worm gear flange; its outside, end is with ratchet; the ribbon spool axle head inside corresponding with worm gear flange is internally toothed annulus, and the profile of tooth of this internally toothed annulus is corresponding with the profile of tooth of the ratchet of centrifugal drying hammer;
Described electronic control package comprises vehicle-mounted controlled vehicle-mounted electrical unit, multichannel danger early warning sensor and ribbon tension pick-up, ribbon tension pick-up is arranged on belt-strap, the signal of multichannel early warning sensor is transferred to the input port of vehicle-mounted controlled vehicle-mounted electrical unit, the output port of vehicle-mounted controlled vehicle-mounted electrical unit is connected with drive motor, and the transmission of feedback information of ribbon tension pick-up is to vehicle-mounted controlled vehicle-mounted electrical unit.
2. intelligent control type car belt active preloader according to claim 1, is characterized in that: on above-mentioned centrifugal drying hammer, be connected with pull back spring.
3. intelligent control type car belt active preloader according to claim 1, is characterized in that: above-mentioned multichannel early warning sensor comprises automobile longitudinal, lateral acceleration sensor, forward and backward collision avoidance radar sensor, automobile yaw-rate sensor, steering wheel angle sensor and brake pedal displacement pickup.
4. intelligent control type car belt active preloader according to claim 1, is characterized in that: controlled vehicle-mounted electrical unit adopts chip M9S12DP256B.
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| CN201310473778.XA CN103569034A (en) | 2013-10-11 | 2013-10-11 | Intelligent-control initiative pretensioner for automobile safety belt |
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| CN201310473778.XA CN103569034A (en) | 2013-10-11 | 2013-10-11 | Intelligent-control initiative pretensioner for automobile safety belt |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080499A (en) * | 2016-04-28 | 2016-11-09 | 天津职业技术师范大学 | A kind of active pretension seat belt controlling system |
| CN106945628A (en) * | 2017-05-04 | 2017-07-14 | 安徽机电职业技术学院 | A kind of car belt Based Intelligent Control pretensioner systems |
| CN108309595A (en) * | 2018-04-08 | 2018-07-24 | 南通大学 | intelligent wheel chair and control method |
| CN108382350A (en) * | 2018-03-13 | 2018-08-10 | 中国汽车技术研究中心有限公司 | A kind of novel active is double to pre-tighten restraint system |
| CN108791181A (en) * | 2018-08-04 | 2018-11-13 | 苏州启威电子有限公司 | A kind of safety belt monitoring system using specific turbine and worm transmission mechanism |
| CN109641568A (en) * | 2016-08-27 | 2019-04-16 | 戴姆勒股份公司 | The method of belt tensioner, seat belt apparatus and safe operation with device |
| CN109733268A (en) * | 2019-01-16 | 2019-05-10 | 浙江双友物流器械股份有限公司 | A kind of sedan-chair fortune vehicle bundled device |
| CN110273995A (en) * | 2018-03-15 | 2019-09-24 | 马勒国际有限公司 | The mechanically actuated control device of component |
| CN110654342A (en) * | 2018-06-29 | 2020-01-07 | 罗伯特·博世有限公司 | Method for triggering an occupant protection mechanism in a vehicle |
| CN110979251A (en) * | 2018-10-02 | 2020-04-10 | 通用汽车环球科技运作有限责任公司 | System and method for determining seat belt webbing pull-out |
| CN111284444A (en) * | 2018-12-07 | 2020-06-16 | 现代自动车株式会社 | Vehicle, control method thereof, and seatbelt apparatus |
| CN112660119A (en) * | 2021-01-14 | 2021-04-16 | 浙江吉利控股集团有限公司 | Vehicle rear collision early warning method |
| CN117620285A (en) * | 2024-01-25 | 2024-03-01 | 廊坊市伊贝格机械有限公司 | Transmission clearance adjustment control method, control system, equipment and medium |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080499A (en) * | 2016-04-28 | 2016-11-09 | 天津职业技术师范大学 | A kind of active pretension seat belt controlling system |
| CN109641568A (en) * | 2016-08-27 | 2019-04-16 | 戴姆勒股份公司 | The method of belt tensioner, seat belt apparatus and safe operation with device |
| CN109641568B (en) * | 2016-08-27 | 2021-07-23 | 戴姆勒股份公司 | Seat belt tensioner, seat belt device and method of operating a seat belt device |
| CN106945628A (en) * | 2017-05-04 | 2017-07-14 | 安徽机电职业技术学院 | A kind of car belt Based Intelligent Control pretensioner systems |
| CN108382350A (en) * | 2018-03-13 | 2018-08-10 | 中国汽车技术研究中心有限公司 | A kind of novel active is double to pre-tighten restraint system |
| CN110273995A (en) * | 2018-03-15 | 2019-09-24 | 马勒国际有限公司 | The mechanically actuated control device of component |
| CN108309595A (en) * | 2018-04-08 | 2018-07-24 | 南通大学 | intelligent wheel chair and control method |
| CN110654342A (en) * | 2018-06-29 | 2020-01-07 | 罗伯特·博世有限公司 | Method for triggering an occupant protection mechanism in a vehicle |
| CN108791181A (en) * | 2018-08-04 | 2018-11-13 | 苏州启威电子有限公司 | A kind of safety belt monitoring system using specific turbine and worm transmission mechanism |
| CN110979251A (en) * | 2018-10-02 | 2020-04-10 | 通用汽车环球科技运作有限责任公司 | System and method for determining seat belt webbing pull-out |
| CN110979251B (en) * | 2018-10-02 | 2022-05-13 | 通用汽车环球科技运作有限责任公司 | System and method for determining seat belt webbing pull-out |
| CN111284444A (en) * | 2018-12-07 | 2020-06-16 | 现代自动车株式会社 | Vehicle, control method thereof, and seatbelt apparatus |
| US11623608B2 (en) | 2018-12-07 | 2023-04-11 | Hyundai Motor Company | Vehicle and method of controlling the same, and seat belt apparatus |
| CN111284444B (en) * | 2018-12-07 | 2023-06-30 | 现代自动车株式会社 | Vehicle, control method thereof, and seatbelt apparatus |
| CN109733268B (en) * | 2019-01-16 | 2020-09-01 | 上汽安吉物流股份有限公司 | Binding device for car transportation vehicle |
| CN109733268A (en) * | 2019-01-16 | 2019-05-10 | 浙江双友物流器械股份有限公司 | A kind of sedan-chair fortune vehicle bundled device |
| CN112660119A (en) * | 2021-01-14 | 2021-04-16 | 浙江吉利控股集团有限公司 | Vehicle rear collision early warning method |
| CN117620285A (en) * | 2024-01-25 | 2024-03-01 | 廊坊市伊贝格机械有限公司 | Transmission clearance adjustment control method, control system, equipment and medium |
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Application publication date: 20140212 |