CN203637752U - Vehicle device used for preventing tailgating vehicle from running into portion below vehicle - Google Patents
Vehicle device used for preventing tailgating vehicle from running into portion below vehicle Download PDFInfo
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- CN203637752U CN203637752U CN201320828726.5U CN201320828726U CN203637752U CN 203637752 U CN203637752 U CN 203637752U CN 201320828726 U CN201320828726 U CN 201320828726U CN 203637752 U CN203637752 U CN 203637752U
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- vehicle
- bracket
- protection
- preventing
- drilling bottom
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Abstract
The utility model belongs to the technical field of preventing vehicles from running into the portions below other vehicles, and discloses a vehicle device used for preventing a tailgating vehicle from running into the portion below a vehicle. The vehicle device comprises a vehicle frame, a protection bracket and a bracket capable of preventing the tailgating vehicle from running into the portion below the vehicle. The upper end of the protection bracket is fixed to the rear end of the vehicle frame, and a protection beam is fixed to the lower end of the protection bracket. An inclined slide way is arranged on the protection bracket. An air cylinder is fixed to the front end of the vehicle frame. A piston is arranged inside the air cylinder in a sliding fit mode. A piston rod is fixed to one side of the piston. One end of the piston rod is movably connected with the upper end of the bracket capable of preventing the tailgating vehicle from running into the portion below another vehicle. A beam capable of preventing the tailgating vehicle from running into the portion below the vehicle is fixed to the lower end of the bracket capable of preventing the tailgating vehicle from running into the portion below the vehicle. The beam capable of preventing the tailgating vehicle from running into the portion below the vehicle is located below the tail portion of the vehicle frame. Idler wheels which are matched with the inclined slide way in a rolling mode are arranged on the bracket capable of preventing the tailgating vehicle from running into the portion below the vehicle. A collision sensor is arranged on the protection beam. A first outlet end of an electromagnetic directional valve is connected into the front end of the air cylinder. A second outlet end of the electromagnetic directional valve is connected into the rear end of the air cylinder. An inlet end of the electromagnetic directional valve is connected into the air storage cylinder. A controller is electrically connected with the collision sensor and the electromagnetic directional valve.
Description
Technical field
The utility model belongs to and prevents that vehicle from boring end technical field, particularly a kind ofly bores the vehicle fitting at the end for the vehicle that prevents from knocking into the back.
Background technology
In recent years, along with the development of the universal and transport vehicle heavy-duty of family-sized car, car and heavy-duty vehicle rear-end collision rate improve gradually.Especially in serious rear-end collision, because car pierces heavy-duty vehicle bottom, often cause the sedan-chair occupant casualties.At present, China's heavy-duty vehicle, in order to improve trafficability, installs simple anticollision device additional at the afterbody of vehicle, these devices occur in slight vehicle rear-end collision accident at vehicle, play certain protective action, but cannot be in serious vehicle rear-end collision accident, effectively prevent that vehicle from piercing bottom.The existing vehicle device at the brill end that prevents, cannot distinguish slight rear-end collision and serious rear-end collision, just realizes by the mechanical device that installs single complexity at vehicle tail additional.These complicated machinery devices, one side has reduced the departure angle of vehicle, affects the crossing ability of vehicle, and vehicle tail complex structure degree is increased; Cannot distinguish on the other hand the order of severity of rear-end collision, the ACTIVE CONTROL vehicle that prevents from knocking into the back pierces the generation of vehicle bottom accident.
Utility model content
The purpose of this utility model is to propose a kind of for preventing the vehicle vehicle fitting at the brill end that knocks into the back.It is simple in structure that this vehicle that is used for preventing knocking into the back bores the vehicle fitting at the end, can effectively distinguish the rear-end collision order of severity, effectively prevents that vehicle from boring the end and reducing vehicle departure angle, reduces trafficability.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
A kind of for preventing the vehicle vehicle fitting at the brill end that knocks into the back, comprise the vehicle frame being arranged on vehicle, comprise: protection bracket, anti-drilling bottom bracket, solenoid directional control valve, air receiver, controller, the upper end of described protection bracket is fixed on vehicle frame rear end, the lower end of described protection bracket is fixed with protection crossbeam, and described protection crossbeam is positioned at the below of vehicle frame afterbody; On described protection bracket, be provided with the oblique slideway tilting towards front part of vehicle; Described vehicle frame front end is fixed with cylinder, and the inside of described cylinder is sliding combined with piston, and described piston is being fixed with piston rod near a side of protection bracket; Described piston rod is being connected near protection one end of bracket and the movable upper end of described anti-drilling bottom bracket, and the lower end of described anti-drilling bottom bracket is fixed with anti-drilling bottom cross beam, and described anti-drilling bottom cross beam is positioned at the below of vehicle frame afterbody; On described anti-drilling bottom bracket, be provided with roller, described roller rolls and coordinates with oblique slideway; The minimum of the height of described anti-drilling bottom cross beam is lower than the horizontal depth of beam of protection; On described protection crossbeam, be provided with crash sensor, described solenoid directional control valve has the first exit end, the second exit end and entrance point, the first exit end of described solenoid directional control valve accesses the inside of cylinder front end by pipeline, the second exit end of described solenoid directional control valve accesses the inside of cylinder rear end by pipeline, the entrance point of described solenoid directional control valve accesses the inside of air receiver by pipeline;
The signal input part of described crash sensor electrical connection controller, the control end of the signal output part electrical connection solenoid directional control valve of described controller.
Feature of the present utility model and further improvement are:
The direction of described anti-drilling bottom cross beam is vehicular transverse direction, and the direction of described protection crossbeam is vehicular transverse direction, and the direction of described piston rod is longitudinal direction of car direction.
The angle of described oblique slideway and horizontal surface is between degree to degree.
Described protection bracket is connected with carriage bolt.
Between described protection bracket and protection crossbeam, be provided with the first bump rubber, between described anti-drilling bottom bracket and anti-drilling bottom cross beam, be provided with the second bump rubber.
A kind ofly bore the vehicle fitting at the end for the vehicle that prevents from knocking into the back, also comprise rotational coupling mechanism, described piston rod is rotationally connected by rotational coupling mechanism and anti-drilling bottom bracket, described rotational coupling mechanism is crank or latch.
Described controller is micro controller system, arm processor or industrial computer, and described solenoid directional control valve is two-position four-way solenoid directional control valve or two position, three-way electromagnetic change valve.
The beneficial effects of the utility model are: according to the rear-end impact intensity of crash sensor perception, automatically control anti-drilling bottom cross beam and drop to extreme lower position, thereby effectively prevent that vehicle from boring the end, under normal conditions, anti-drilling bottom bracket and anti-drilling bottom cross beam are contracted to position topmost, do not affect the crossing ability of vehicle.Can alleviate the injury of knocking into the back for personnel at the damping rubber block of anti-drilling bottom bracket and anti-drilling bottom cross beam and the damping rubber block between protection crossbeam and protection bracket simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic side view of a kind of vehicle fitting that bores the end for the vehicle that prevents from knocking into the back of the present utility model in the time not working;
Fig. 2 is a kind of structural representation that bores the anti-drilling bottom bracket of the vehicle fitting at the end for the vehicle that prevents from knocking into the back of the present utility model;
Fig. 3 is a kind of electrical block diagram that bores the vehicle fitting at the end for the vehicle that prevents from knocking into the back of the present utility model;
Fig. 4 is the schematic side view of a kind of vehicle fitting that bores the end for the vehicle that prevents from knocking into the back of the present utility model in the time of work;
Fig. 5 is that the master of a kind of vehicle fitting that bores the end for the vehicle that prevents from knocking into the back of the present utility model in the time of work looks schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to Fig. 1, be the schematic side view of a kind of vehicle fitting that bores the end for the vehicle that prevents from knocking into the back of the present utility model in the time not working.This vehicle that is used for preventing knocking into the back bores the vehicle fitting at the end and comprises the vehicle frame 1 being arranged on vehicle, the rear end of vehicle frame 1 is fixed with protection bracket 15 by bracket binding bolt 16, the upper end of protection bracket 15 is fixed on vehicle frame 1, and lower end is fixed with protection crossbeam 13 by protection crossbeam binding bolt 17.The device that protection bracket 15 and protection crossbeam 13 are available technology adopting, the direction of protection crossbeam 13 is vehicular transverse direction, protection crossbeam 13 is positioned at the below of vehicle tail, between protection crossbeam 13 and protection bracket 15, being also provided with first bump rubber 11(the first bump rubber 11 is bolted on protection crossbeam 13 and protects between bracket 15), protection bracket 15, protection crossbeam 13 and the first bump rubber 11 are for cushioning the impact of vehicle to this vehicle that knock into the back.
This vehicle that is used for preventing knocking into the back bores the vehicle fitting at the end and also comprises anti-drilling bottom bracket 8, vehicle frame 1 front end is fixed with cylinder 3(cylinder 3 and is positioned at the front of protecting bracket 15), the inside of cylinder 3 is sliding combined with the longitudinal direction that the sense of motion of piston 20(piston 20 is vehicle), on piston 20, be provided with piston rod 6, piston rod 6 is positioned at the side of piston 20 near protection bracket 15.Piston rod 6 moves along longitudinal direction of car direction for driven plunger.One end of piston rod 6 is fixed on piston 20, and the other end is connected with the movable upper end of anti-drilling bottom bracket 8, and piston rod 6 is rotationally connected by rotational coupling mechanism 7 and anti-drilling bottom bracket 8, and rotational coupling mechanism 7 is crank or latch.In the time that piston rod 6 travels longitudinally, can pull or promote anti-drilling bottom bracket 8, the position of anti-drilling bottom bracket 8 is changed.
In the utility model embodiment, the lower end of anti-drilling bottom bracket 8 is fixed with anti-drilling bottom cross beam 10 by anti-drilling bottom cross beam binding bolt 18, and the direction of anti-drilling bottom cross beam 10 is vehicular transverse direction, and anti-drilling bottom cross beam 10 is positioned at the below of vehicle frame 1 afterbody.Protection is provided with the oblique slideway 19 tilting towards front part of vehicle on bracket 15, the angle of oblique slideway and horizontal surface at 55 degree between 75 degree.With reference to Fig. 2, it is a kind of structural representation that bores the anti-drilling bottom bracket of the vehicle fitting at the end for the vehicle that prevents from knocking into the back of the present utility model.On this anti-drilling bottom bracket 8, be provided with roller 14, roller 14 rolls and coordinates with oblique slideway 19; Roller 14 can roll along oblique slideway 19, and at ordinary times, roller 14 is positioned at the upper end of oblique slideway 19, and anti-drilling bottom cross beam 10 (even exceedes the height that protects crossbeam 13) in extreme higher position.In the time that roller 14 is rolled into the lower end of oblique slideway 19, anti-drilling bottom cross beam 10 is in extreme lower position, and now, the height of anti-drilling bottom cross beam 10 is lower than the height of protection crossbeam 13, and for example anti-drilling bottom cross beam 10 is 50cm to 80cm with the diff-H of protection crossbeam 13.Anti-drilling bottom cross beam, in the time of extreme lower position, at the bottom of the brill of the vehicle that can effectively prevent from knocking into the back, has also been bolted the second bump rubber 9, the second bump rubbers 9 for slowing down the impact of the vehicle that knocks into the back between anti-drilling bottom bracket 8 and anti-drilling bottom cross beam 10.
In the utility model embodiment, above-mentionedly bore the vehicle fitting at the end for the vehicle that prevents from knocking into the back and also comprise solenoid directional control valve 4, air receiver 5 and controller 2, on protection crossbeam 13, be provided with crash sensor 12, in the time knocking into the back Vehicular impact protection crossbeam 13, crash sensor 12 just can detect impact force, and electric signal corresponding to impact force changes into.Solenoid directional control valve 4 has the first exit end, the second exit end and entrance point, the first exit end of solenoid directional control valve 4 accesses the inside of cylinder 3 front ends by pipeline, the second exit end of solenoid directional control valve 4 accesses the inside of cylinder 3 rear ends by pipeline, solenoid directional control valve 4 has two valve position, a valve position therein, high pressure gas are inputted to cylinder 3 front ends by the first exit end of solenoid directional control valve 4, in another valve position, high pressure gas are inputted to cylinder 3 rear ends by the second exit end of solenoid directional control valve 4.Like this, at solenoid directional control valve 4 during in different valve position, the high pressure gas in cylinder is known from experience and is promoted piston 20 (to front part of vehicle or to vehicle rear) motion in the opposite direction.The entrance point of solenoid directional control valve 4 accesses the inside of air receiver 5 by pipeline, air receiver can pass through the diverse location conveying high-pressure gas of solenoid directional control valve 4 to cylinder 3.At ordinary times, piston 20 is positioned at the front end of cylinder 3, and high pressure gas are inputted to cylinder 3 rear ends by the second exit end of solenoid directional control valve 4.In the utility model embodiment, solenoid directional control valve 4 is two-position four-way solenoid directional control valve or two position, three-way electromagnetic change valve.
With reference to Fig. 3, it is a kind of electrical block diagram that bores the vehicle fitting at the end for the vehicle that prevents from knocking into the back of the present utility model.With reference to Fig. 4, be the schematic side view of a kind of vehicle fitting that bores the end for the vehicle that prevents from knocking into the back of the present utility model when the work.With reference to Fig. 5, for a kind of vehicle fitting that bores the end for the vehicle that prevents from knocking into the back of the present utility model, the master when the work looks schematic diagram.Crash sensor 12 is electrically connected the signal input part of controller 2, the control end of the signal output part electrical connection solenoid directional control valve 4 of described controller 2.In the utility model embodiment, controller is micro controller system, arm processor or industrial computer.Crash sensor by the impact force data transmission detecting to controller, controller judges whether impact force data are greater than setting collision threshold, if be greater than setting collision threshold, send corresponding control signal to solenoid directional control valve, solenoid directional control valve changes self valve position, high pressure gas are inputted to cylinder front end by the first exit end of solenoid directional control valve, high pressure gas promote piston and move towards rear vehicle end, at piston, under the effect of piston rod and rotational coupling mechanism, the position of anti-drilling bottom bracket changes, the height of anti-drilling bottom cross beam reduces rapidly, when piston movement is during to the rear end of cylinder, anti-drilling bottom cross beam 10 is in nadir, prevent from knocking into the back the vehicle object at the brill end thereby reach
Below a kind of working process that bores the vehicle fitting at the end for the vehicle that prevents from knocking into the back of the present utility model is described: while there is vehicle rear-end collision accident, the vehicle that knocks into the back first collides with protection crossbeam, the first bump rubber damp impacts power, alleviates the injury to the occupant of knocking into the back.Impact force data P is passed to controller (mode with electric signal is transmitted) by the crash sensor being simultaneously positioned on protection crossbeam, controller judges whether impact force data P is greater than setting collision threshold P1, if P>=P1 controller control solenoid directional control valve changes self valve position, carry out timing simultaneously, the front end (away from one end of protection bracket) that enters cylinder is promoted the quick longitudinal movement of piston rod by the high pressure gas of air receiver, and piston rod promotes tiltedly to move downward fast along oblique slideway by rotational coupling mechanism, protection bracket.Finally, in the time that anti-drilling bottom cross beam drops to minimum position, just can reach and prevent that vehicle from boring the object at the end.When anti-drilling bottom cross beam completes after anti-drilling basic skill or training does, (for example controller judges whether clocking value is greater than setting-up time, if be greater than, can think that anti-drilling bottom cross beam completes anti-drilling basic skill or training and does), this Time Controller sends corresponding control signal to solenoid directional control valve, solenoid directional control valve changes self valve position again, now the front end of cylinder (near one end of protection bracket) passes into high pressure gas, promoting piston rod moves to vehicle front, anti-drilling bottom bracket is under the tractive force effect of rotational coupling mechanism, roll along oblique slideway by roller, do to wait for that anti-vehicle bores basic skill or training next time.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (7)
1. one kind is bored the vehicle fitting at the end for the vehicle that prevents from knocking into the back, comprise the vehicle frame (1) being arranged on vehicle, it is characterized in that, comprise: protection bracket (15), anti-drilling bottom bracket (8), solenoid directional control valve (4), air receiver (5), controller (2), the upper end of described protection bracket (15) is fixed on vehicle frame (1) rear end, the lower end of described protection bracket (15) is fixed with protection crossbeam (13), and described protection crossbeam (13) is positioned at the below of vehicle frame (1) afterbody; On described protection bracket (15), be provided with the oblique slideway (19) tilting towards front part of vehicle; Described vehicle frame (1) front end is fixed with cylinder (3), and the inside of described cylinder (3) is sliding combined with piston (20), and described piston (20) is being fixed with piston rod (6) near a side of protection bracket (15); Described piston rod (6) is being connected with the movable upper end of described anti-drilling bottom bracket (8) near one end of protection bracket (15), the lower end of described anti-drilling bottom bracket (8) is fixed with anti-drilling bottom cross beam (10), and described anti-drilling bottom cross beam (10) is positioned at the below of vehicle frame (1) afterbody; On described anti-drilling bottom bracket (8), be provided with roller (14), described roller (14) rolls and coordinates with oblique slideway (19); On described protection crossbeam (13), be provided with crash sensor (12), described solenoid directional control valve (4) has the first exit end, the second exit end and entrance point, the first exit end of described solenoid directional control valve (4) accesses the inside of cylinder (3) front end by pipeline, the second exit end of described solenoid directional control valve (4) accesses the inside of cylinder (3) rear end by pipeline, the entrance point of described solenoid directional control valve (4) accesses the inside of air receiver (5) by pipeline;
The signal input part of described crash sensor (12) electrical connection controller (2), the control end of the signal output part electrical connection solenoid directional control valve (4) of described controller (2).
2. as claimed in claim 1 a kind of for preventing the vehicle vehicle fitting at the brill end that knocks into the back, it is characterized in that, the direction of described anti-drilling bottom cross beam (10) is vehicular transverse direction, the direction of described protection crossbeam (13) is vehicular transverse direction, and the direction of described piston rod (6) is longitudinal direction of car direction.
3. as claimed in claim 1ly a kind ofly bore the vehicle fitting at the end for the vehicle that prevents from knocking into the back, it is characterized in that, the angle of described oblique slideway (19) and horizontal surface at 55 degree between 75 degree.
4. as claimed in claim 1ly a kind ofly bore the vehicle fitting at the end for the vehicle that prevents from knocking into the back, it is characterized in that, described protection bracket (15) is connected with vehicle frame (1) bolt.
5. as claimed in claim 1 a kind of for preventing the vehicle vehicle fitting at the brill end that knocks into the back, it is characterized in that, between described protection bracket (15) and protection crossbeam (13), be provided with the first bump rubber (11), between described anti-drilling bottom bracket (8) and anti-drilling bottom cross beam (10), be provided with the second bump rubber (9).
6. as claimed in claim 1 a kind of for preventing the vehicle vehicle fitting at the brill end that knocks into the back, it is characterized in that, also comprise rotational coupling mechanism (7), described piston rod (6) is rotationally connected by rotational coupling mechanism (7) and anti-drilling bottom bracket (8), and described rotational coupling mechanism (7) is crank or latch.
7. as claimed in claim 1 a kind of for preventing the vehicle vehicle fitting at the brill end that knocks into the back, it is characterized in that, described controller (2) is micro controller system, arm processor or industrial computer, and described solenoid directional control valve (4) is two-position four-way solenoid directional control valve or two position, three-way electromagnetic change valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828726.5U CN203637752U (en) | 2013-12-13 | 2013-12-13 | Vehicle device used for preventing tailgating vehicle from running into portion below vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828726.5U CN203637752U (en) | 2013-12-13 | 2013-12-13 | Vehicle device used for preventing tailgating vehicle from running into portion below vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637752U true CN203637752U (en) | 2014-06-11 |
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ID=50869020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320828726.5U Expired - Fee Related CN203637752U (en) | 2013-12-13 | 2013-12-13 | Vehicle device used for preventing tailgating vehicle from running into portion below vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203637752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640539A (en) * | 2013-12-13 | 2014-03-19 | 长安大学 | Vehicle device for preventing rear-ended vehicle from entering bottom |
| CN104960490A (en) * | 2015-06-24 | 2015-10-07 | 广西大学 | Stopping device for vehicle bottom |
-
2013
- 2013-12-13 CN CN201320828726.5U patent/CN203637752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640539A (en) * | 2013-12-13 | 2014-03-19 | 长安大学 | Vehicle device for preventing rear-ended vehicle from entering bottom |
| CN104960490A (en) * | 2015-06-24 | 2015-10-07 | 广西大学 | Stopping device for vehicle bottom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |