CN105253084A - Muck truck front underrun pedestrian protective system - Google Patents
Muck truck front underrun pedestrian protective system Download PDFInfo
- Publication number
- CN105253084A CN105253084A CN201510705136.7A CN201510705136A CN105253084A CN 105253084 A CN105253084 A CN 105253084A CN 201510705136 A CN201510705136 A CN 201510705136A CN 105253084 A CN105253084 A CN 105253084A
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- Prior art keywords
- slag
- gas generator
- collision
- crossbeam
- front lower
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/0002—Type of accident
- B60R2021/0004—Frontal collision
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R2021/346—Protecting non-occupants of a vehicle, e.g. pedestrians means outside vehicle body
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Alarm Devices (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention provides a muck truck front underrun pedestrian protective system which comprises a collision sensor, an electronic control system, a gas generator, a pneumatic actuator and a movement mechanism, wherein the crash sensor is used for detecting collision, generating a collision signal, and sending the collision signal to the electronic control system; the electronic control system is used for analyzing the collision signal, judging whether a frontal car-pedestrian collision accident occurs or not, and sending an activating signal to the gas generator if the fact that the accident occurs is judged; an explosive material is arranged in the gas generator, and the gas generator is used for triggering the explosive material to explode to generate gases according to the activating signal; the pneumatic actuator is used for actuating the movement mechanism to open through the gases, so as to enable an FUPD (front underrun protective device) beam of the movement mechanism to move to the front underrun part of the slag car. According to the muck truck front underrun pedestrian protective system, a collided non-motor vehicle driver or pedestrians can be protected during the frontal car-pedestrian collision accident, and the structure form of the movement mechanism can meet the performance requirements during collision.
Description
Technical field
The present invention relates to automobile passive safety system, particularly, relate to a kind of slag-soil truck front lower portion pedestrian protection system.
Background technology
In recent years, there is slag-soil truck pedestrian accidents in area, domestic city repeatedly, causes serious personal casualty, brings extremely severe social influence.A kind of main Types of slag-soil truck pedestrian accidents is: the headstock front of slag-soil truck and unpowered vehicle or pedestrian collision, headstock front lower portion is entered after causing unpowered vehicle driver or pedestrian to be knocked down, and then suffer that front-wheel rolls and long distance tows, accident is many to be exceeded the speed limit by slag-soil truck or one party is made a dash across the red light and caused.
The reason that slag-soil truck pedestrian accidents takes place frequently mainly contains following 3 points:
1, the traffic environment in area, domestic city is commercial vehicle/comm..vehicle, civilian vehicle, unpowered vehicle, the mixed row of pedestrian, and this creates pacing factor for slag-soil truck pedestrian accidents's;
2, the traffic safety consciousness of slag-soil truck driver is general comparatively weak, and often overloading to save time of dregs transportation and cost, exceed the speed limit, this is the immediate cause of this type of accident of initiation;
3, slag-soil truck frequently to be come in and gone out building ground due to needs, and in order to ensure that it is at the carrying capacity on road surface that is uneven, its chassis clearance is very large, and this causes the major cause being involved in and rolling.
Relevant departments strengthening the supervision to slag-soil truck in recent years, comprising and implementing in full up-to-date rules and regulations, and research and development and application strengthen all kinds of devices of its safety performance.The present invention is directed to above accident type, mainly carry out the technology retrieval about the design of slag-soil truck front lower portion.
By finding the retrieval of prior art, domestic in promulgation GB26511-2011 standard in 2011, its content is substantially identical with European ECER93 standard of promulgating in 1994, require that N2 and N3 class vehicle installs front underrun protection device additional, its English name is FrontUnderrunProtectiveDevice, is called for short FUPD.The keystone configuration of front underrun protection device is the root guard crossbeam be fixed in below bumper/spoiler, tool has the dimensions and requirement of strength, its Main Function be prevent small passenger car with there is " piercing " phenomenon during its head-on crash, this phenomenon easily causes the driving compartment of small passenger car to be squeezed, and causes the injures and deaths of occupant.This standard comprehensive implementation in 1 day January in 2015 of domestic promulgation, slag-soil truck belongs within the scope of applicable vehicle.In addition, by retrieving rear discovery to the patent of association area, about the One's name is legion of movable beam design, but not for slag-soil truck or for the Patent design preventing wheel from grinding people.Therefore, still there is no at present both at home and abroad a kind of passive safety system of maturation, can protect by the person of thrusting into when head-on crash accident occurs for slag-soil truck and unpowered vehicle or pedestrian.
Summary of the invention
For defect of the prior art; the object of this invention is to provide a kind of slag-soil truck front lower portion pedestrian protection system; the present invention can when there is head-on crash accident in slag-soil truck and unpowered vehicle or pedestrian, protects to be exempted from front-wheel by the person of thrusting into and to roll and long distance tows, and alleviates its degree that is hurt.
According to slag-soil truck front lower portion pedestrian protection system provided by the invention, comprise crash sensor, electronic control system, gas generator, air impeller and kinematic mechanism;
Described crash sensor is used for collision detection, generates collision alarm, described collision alarm is sent to electronic control system;
Described electronic control system is used for analyzing described collision alarm, carries out judging whether people's car head-on crash accident occurs, occurs, then send actuation signal to gas generator if judge;
Described gas generator is provided with explosive substance, for generation gas of blasting according to the explosion caused material of described actuation signal;
Described air impeller is used for being opened by kinematic mechanism described in described gas-powered, thus the FUPD crossbeam of kinematic mechanism moves to slag car car headstock front lower place.
Preferably, described electronic control system comprises power module, treater, input port and output port;
Wherein, described power module, described input port are connected described treater with described output port;
Described input port is for inputting collision alarm; Described treater is used for analyzing described collision alarm, carries out judging whether people's car head-on crash accident occurs, occurs, then generate actuation signal if judge;
Described output port is used for sending actuation signal to gas generator.
Preferably, described kinematic mechanism comprises crossbar, FUPD crossbeam and the first support;
Wherein, described first Bracket setting has the first guide rail;
Described FUPD crossbeam comprises protection crossbeam and the second support; One end of described second support connects described protection crossbeam; Described second Bracket setting has the second guide rail;
Described crossbar comprises first connecting rod and second connecting rod; The middle part of described first connecting rod and the middle part of described second connecting rod hinged;
One end of described first connecting rod and an end of described first support hinged, the other end of the other end and described second support is hinged;
First slide block of described second connecting rod one end is arranged in described first guide rail, can along described first slide; Second slide block of the described second connecting rod other end is arranged in described second guide rail, can along described second slide;
One end and described first support of described air impeller are hinged, the other end and described second support hinged.
Preferably, buffer protection layer and bottom friction panel is also comprised;
Wherein, described buffer protection layer, for being arranged between the bumper/spoiler of the slag car and FUPD crossbeam, can being opened with kinematic mechanism and launches;
Described bottom friction panel connects the lower surface of described FUPD crossbeam, and the lower surface of described bottom friction panel is provided with texture, for carrying out assisted deceleration with during earth surface.
Preferably, output end cap is also comprised;
Wherein said output end cap is connected with adopting thread seal between gas generator, for collecting the gas that gas generator produces.
Preferably, also rubber tube is comprised;
Wherein, described rubber tube one end is connected with described output end cap, and the other end and described air impeller gas input port are tightly connected, and rubber tube is used for transport gas.
Preferably, described crash sensor adopts electromechanical collision acceleration sensor; Described air impeller adopts cylinder piston structure.
Compared with prior art, the present invention has following beneficial effect:
1, while the present invention can ensure former front underrun protection device function, transform as the kinematic mechanism in the present invention, can protect by the unpowered vehicle driver that hits or pedestrian in people's car head-on crash accident, the version of kinematic mechanism can meet performance requriements during collision;
2, when the present invention is in non-starting state, can meets the terrain clearance requirement of slag-soil truck front lower portion, ensure the carrying capacity of its uneven road surface, at ordinary times, bottom friction panel can block space, front lower portion chassis, reduces the erosion of ground sandstone.
3, the present invention can Reusability, only needs to change gas generator, when accident occur, after pedestrian protection system starts, kinematic mechanism can remain on maximum opening, thus be always in accident process and provided protection by the person of thrusting into; After accident terminates, kinematic mechanism manually can be made to get back to initial rounding state, transport slag-soil truck back repair plant subsequently, change gas generator, can continue on for using next time;
4, in the present invention, each component universality is strong, and the part comprising crash sensor, electric-control system (hardware components), gas generator, air impeller, crossbar, guide rail etc. all directly can carry out type selecting to existing product.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is system control process figure of the present invention;
Fig. 2 is the opening process schematic diagram of kinematic mechanism in the present invention;
Fig. 3 is the structural representation of kinematic mechanism in the present invention.
In figure:
1 is electronic control system;
2 is crash sensor;
3 is kinematic mechanism;
4 is air impeller;
5 is gas generator.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
In the present embodiment, slag-soil truck front lower portion pedestrian protection system provided by the invention, comprises crash sensor 2, electronic control system 1, gas generator 5, air impeller 4 and kinematic mechanism 3; Described crash sensor 2, for collision detection, generates collision alarm, described collision alarm is sent to electronic control system 1; Described electronic control system 1, for analyzing described collision alarm, carries out judging whether people's car head-on crash accident occurs, occurs, then send actuation signal to gas generator 5 if judge; Described gas generator 5 is provided with explosive substance, for generation gas of blasting according to the explosion caused material of described actuation signal; Described air impeller 4 is for opening by kinematic mechanism 3 described in described gas-powered, thus the FUPD crossbeam of kinematic mechanism 3 moves to slag car car headstock front lower place.
Slag-soil truck front lower portion pedestrian protection system provided by the invention, also comprises buffer protection layer and bottom friction panel; Wherein, described buffer protection layer, for being arranged between the bumper/spoiler of the slag car and FUPD crossbeam, can being opened with kinematic mechanism 3 and launches; Described bottom friction panel connects the lower surface of described FUPD crossbeam, and the lower surface of described bottom friction panel is provided with texture, for carrying out assisted deceleration with during earth surface.
Along with the elongation of air impeller 4, FUPD header portion to the motion of slag-soil truck headstock front lower place, until during maximum open position and earth surface.The kinematic mechanism 3 opened completely creates a survival space in headstock front lower portion, can prevent from being entered at the bottom of car by the person of thrusting into, and makes it exempt from front-wheel and rolls.Buffer protection layer on kinematic mechanism 3 is responsible for reducing the impact by the person of thrusting into and kinematic mechanism 3, alleviates the secondary injury that it is subject to, bottom friction panel then with earth surface, auxiliary slag-soil truck slows down, and reduces long distance and tows the injury brought.
Described crash sensor 2 adopts electromechanical collision acceleration sensor; Described air impeller 4 adopts cylinder piston structure.
Described electronic control system 1 comprises power module, treater, input port and output port; Wherein, described power module, described input port are connected described treater with described output port; Described input port is for inputting collision alarm; Described treater is used for analyzing described collision alarm, carries out judging whether people's car head-on crash accident occurs, occurs, then generate actuation signal if judge; Described output port is used for sending actuation signal to gas generator 5.
Described kinematic mechanism 3 comprises crossbar, FUPD crossbeam and the first support; Wherein, described first Bracket setting has the first guide rail; Described FUPD crossbeam comprises protection crossbeam and the second support; One end of described second support connects described protection crossbeam; Described second Bracket setting has the second guide rail; Described crossbar comprises first connecting rod and second connecting rod; The middle part of described first connecting rod and the middle part of described second connecting rod hinged; One end of described first connecting rod and an end of described first support hinged, the other end of the other end and described second support is hinged; First slide block of described second connecting rod one end is arranged in described first guide rail, can along described first slide; Second slide block of the described second connecting rod other end is arranged in described second guide rail, can along described second slide; One end and described first support of described air impeller 4 are hinged, the other end and described second support hinged.
Along with the elongation of air impeller 4, the position of crossbar changes, motion of translation is made in the first guide rail and the second guide rail, first connecting rod and second connecting rod rotate around hinge simultaneously, FUPD crossbeam and the first support then remain level attitude, to the motion of headstock front lower place, until full open position.When kinematic mechanism 3 is in full open position, space, slag-soil truck headstock front lower portion chassis can be blocked completely, therefore can stop by the person of thrusting into, prevent it from entering at the bottom of car and suffer that front-wheel rolls.
Slag-soil truck front lower portion pedestrian protection system provided by the invention, also comprises output end cap; Wherein said output end cap adopts thread seal to be connected with between gas generator 5, for collecting the gas that gas generator 5 produces.Slag-soil truck front lower portion pedestrian protection system provided by the invention, also comprises rubber tube; Wherein, described rubber tube one end is connected with described output end cap, and the other end and described air impeller 4 gas input port are tightly connected, and rubber tube is used for transport gas.
Gas generator 5 and air impeller 4 are referred to as triggering and actuating device, are the parts being responsible for triggering and actuation movement mechanism 3.Gas generator 5 is common automobile-used gas generator 5 type, and its radical function produces a large amount of gas at short notice.Air impeller 4 is common cylinder piston series products, can realize rapid elongation under the driving of gas source.
The crossbar of kinematic mechanism 3 is the unitized construction of steel pipe and coupling bush; Hinge arrangement is made up of coupling bush, S. A., bearing, hinge seat; Guide rail adopts common guide rail slide block product, and hinge arrangement is for realizing the rotary motion of air impeller 4; FUPD crossbeam adopts hollow rectangle to cut section bar structure, and the first support adopts common girder work.
Buffer protection layer is the soft fabric of one deck, adopts nylon material, between bumper/spoiler and FUPD crossbeam, opens and launch with kinematic mechanism 3, can form buffer protection to by the person of thrusting into.Bottom friction panel is one piece of steel sheet material, and texture processing is carried out in bottom surface, increases its friction coefficient, with assisted deceleration during earth surface, then can block space, front lower portion chassis at ordinary times, reduce the sandstone that other parts are subject to and corrode.
More specifically, the present invention can practice in most slag-soil truck vehicle:
The first, type selecting and installation are carried out to crash sensor 2.Crash sensor 2 selects common electromechanical type, comprises the structural principle form that bobbin type, roller type and eccentric hammer three kinds is different, and the structure matching degree depending on itself and slag-soil truck is selected.Its installation site is positioned at the interior surface of slag-soil truck bumper/spoiler, respectively arranges one in position, left, center, right, the pedestrian-vehicle collision of diverse location can be detected.The structure of general crash sensor 2 is from threaded hole, and its mounting means adopts screw element to fix.Also need at its output port rattail, for exporting collision alarm to electronic control system 1, wire harness layout is arranged with overall wire sheaves and is conformed to.
The second, type selecting and installation are carried out to electronic control system 1.Electronic control system 1 selects common Vehicular electric control system assembly, and its software section needs to reprogram, to meet system requirements.The operator's compartment console that its hardware components is arranged on slag-soil truck is inner, adopts screw element to fix, away from position, chassis, ensures the stability of its work.The input port of electronic control system 1 should connect crash sensor 2 wire harness, and output port should connect gas generator 5 wire harness.
3rd, type selecting and installation are carried out to gas generator.Gas generator selects common automobile-used gas generator type.Its mounting means should consider following factor:
1. owing to needing the gas of generation to import air impeller 4 fast, gas generator should be arranged in the nearer position of distance air impeller gas input port.
2. because former and later two surfaces of gas generator are respectively input end and mouth, therefore need to carry out punching process to main car frame, make gas generator pass main car frame and arrange, connection mode is that screw element is fixed.Its input end is arranged in the side, center of main car frame, the wire harness that access electronic control system 1 attracts.
3. the mouth of gas generator is arranged in the outside of main car frame, should design and install an output end cap additional to collect the gas produced.The mouth exporting end cap is connected with a rubber tube, and gas is imported air impeller.
4th, type selecting and installation are carried out to air impeller.The type selecting of air impeller should consider following factor:
1. the stroke of air impeller should conform to the movement travel of kinematic mechanism 3, should select the air impeller model of enough strokes.
2. one-way pneumatic actuator is selected, because pedestrian protection system requires to start fast, to removal process not requirement, therefore without the need to adopting two-way pneumatic actuator.One-way pneumatic internal drive structure generally containing returning spring, remains on curling position when can ensure that kinematic mechanism 3 is flat.
3. install a return lock additional in the design of air impeller range place, prevent kinematic mechanism 3 resilience after opening completely.The accident that is locked in return terminates rear manual releasing, makes kinematic mechanism 3 return to rounding state.
The mounting means of air impeller is two ends chain connection, and the stroke distances of air impeller and kinematic mechanism 3 is depended in the locus of hinge, and when need ensure that air impeller walks to range place, kinematic mechanism 3 is opened to final position, with earth surface.Cylinder end and the rod end of air impeller install coupling bush additional, and sleeve and S. A., bearing, hinge seat form hinge arrangement, and hinge seat and main car frame and FUPD support are connected and fixed by screw element.The rubber tube that gas input port and the gas generator of air impeller are drawn is connected, and completes gas and imports.
5th, assembling parts is carried out to kinematic mechanism 3.Crossbar is threaded connection by steel pipe and coupling bush and forms, and the hinge arrangement that sleeve forms with S. A., bearing, hinge seat is identical with air impeller part, and the hinge arrangement wherein between two crossbars does not need hinge seat.Guide rail is fastened on the assigned address of main car frame and FUPD support by screw element, and slide block is then connected by screw element with the hinge seat of a crossbar.Adopt between FUPD support and crossbeam and be welded and fixed.
6th, kinematic mechanism 3 annex comprises buffer protection layer and bottom friction panel, and the nylon facing material of buffer protection layer adopts the form of splicing and bumper/spoiler and FUPD beam surface to be connected and fixed, or employing is threaded and rivet interlacement is fixed.Bottom friction panel adopts the bottom surface of mode and the FUPD support be threaded to fix.
So far, the design of slag-soil truck front lower portion pedestrian protection system, type selecting and installation is completed.It should be noted that the slag-soil truck body dimensions parameter due to different brands there are differences, therefore when this invention is implemented into certain a vehicle, need to finely tune parts type selecting and installation process according to vehicle design parameter and vehicle body practical structures, to ensure that it correctly can be installed and normally work.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (7)
1. a slag-soil truck front lower portion pedestrian protection system, is characterized in that, comprises crash sensor, electronic control system, gas generator, air impeller and kinematic mechanism;
Described crash sensor is used for collision detection, generates collision alarm, described collision alarm is sent to electronic control system;
Described electronic control system is used for analyzing described collision alarm, carries out judging whether people's car head-on crash accident occurs, occurs, then send actuation signal to gas generator if judge;
Described gas generator is provided with explosive substance, for generation gas of blasting according to the explosion caused material of described actuation signal;
Described air impeller is used for being opened by kinematic mechanism described in described gas-powered, thus the FUPD crossbeam of kinematic mechanism moves to slag car car headstock front lower place.
2. slag-soil truck front lower portion pedestrian protection system according to claim 1, it is characterized in that, described electronic control system comprises power module, treater, input port and output port;
Wherein, described power module, described input port are connected described treater with described output port;
Described input port is for inputting collision alarm; Described treater is used for analyzing described collision alarm, carries out judging whether people's car head-on crash accident occurs, occurs, then generate actuation signal if judge;
Described output port is used for sending actuation signal to gas generator.
3. slag-soil truck front lower portion pedestrian protection system according to claim 1, is characterized in that, described kinematic mechanism comprises crossbar, FUPD crossbeam and the first support;
Wherein, described first Bracket setting has the first guide rail;
Described FUPD crossbeam comprises protection crossbeam and the second support; One end of described second support connects described protection crossbeam; Described second Bracket setting has the second guide rail;
Described crossbar comprises first connecting rod and second connecting rod; The middle part of described first connecting rod and the middle part of described second connecting rod hinged;
One end of described first connecting rod and an end of described first support hinged, the other end of the other end and described second support is hinged;
First slide block of described second connecting rod one end is arranged in described first guide rail, can along described first slide; Second slide block of the described second connecting rod other end is arranged in described second guide rail, can along described second slide;
One end and described first support of described air impeller are hinged, the other end and described second support hinged.
4. slag-soil truck front lower portion pedestrian protection system according to claim 3, is characterized in that, also comprises buffer protection layer and bottom friction panel;
Wherein, described buffer protection layer, for being arranged between the bumper/spoiler of the slag car and FUPD crossbeam, can being opened with kinematic mechanism and launches;
Described bottom friction panel connects the lower surface of described FUPD crossbeam, and the lower surface of described bottom friction panel is provided with texture, for carrying out assisted deceleration with during earth surface.
5. slag-soil truck front lower portion pedestrian protection system according to claim 1, is characterized in that, also comprise output end cap;
Wherein said output end cap is connected with adopting thread seal between gas generator, for collecting the gas that gas generator produces.
6. slag-soil truck front lower portion pedestrian protection system according to claim 5, is characterized in that, also comprise rubber tube;
Wherein, described rubber tube one end is connected with described output end cap, and the other end and described air impeller gas input port are tightly connected, and rubber tube is used for transport gas.
7. slag-soil truck front lower portion pedestrian protection system according to claim 1, is characterized in that, described crash sensor adopts electromechanical collision acceleration sensor; Described air impeller adopts cylinder piston structure.
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| CN201510705136.7A CN105253084B (en) | 2015-10-26 | 2015-10-26 | Slag-soil truck front lower portion pedestrian protection system |
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| CN201510705136.7A CN105253084B (en) | 2015-10-26 | 2015-10-26 | Slag-soil truck front lower portion pedestrian protection system |
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| CN105253084B CN105253084B (en) | 2017-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106004775A (en) * | 2016-06-22 | 2016-10-12 | 浙江吉利控股集团有限公司 | Self-adaption front bumper system used for vehicle and control method |
| GB2546361A (en) * | 2015-11-11 | 2017-07-19 | Ford Global Tech Llc | Bumper assembly including lower leg stiffener |
| CN108556779A (en) * | 2018-04-09 | 2018-09-21 | 四川大学 | A kind of safety device and cargo vehicle |
| CN113830022A (en) * | 2021-09-24 | 2021-12-24 | 东风汽车集团股份有限公司 | Vehicle-mounted pedestrian protection device and vehicle |
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| CN108556779A (en) * | 2018-04-09 | 2018-09-21 | 四川大学 | A kind of safety device and cargo vehicle |
| CN108556779B (en) * | 2018-04-09 | 2019-03-12 | 四川大学 | A kind of safety device and cargo vehicle |
| CN113830022A (en) * | 2021-09-24 | 2021-12-24 | 东风汽车集团股份有限公司 | Vehicle-mounted pedestrian protection device and vehicle |
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| CN105253084B (en) | 2017-12-08 |
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