CN2325264Y - Equipment for preventing truck from being collision with vehicle behind - Google Patents

Abstract

The utility model relates to a collision prevention device of a motor vehicle, which mainly comprises two fixing frames, two suspension rods and a tube frame connected to the lower parts of the suspension rods, wherein, horizontal pin shafts are arranged in the upper ends of the fixing frames, and locking arc plates, which use the center of the pin shafts as the center, are fixedly arranged outside the fixing frames. The upper ends of the suspension rods are pivoted onto the pin shafts of the fixing frames and are matched into the fixing frames, and swinging rods of which the one end is provided with positioning pins are pivoted outside the suspension rods. The tube frame is connected into the integration by an upper and a lower horizontal ring tubes and a plurality of vertical tubes, and multiple groups of stacking tubes are connected in a gap mode between a left and a right side tubes and the upper and the lower horizontal ring tubes. Thus, cars can be prevented from getting under the bottom of trucks and can safely run on road surfaces with obstacles.

Description

The load-carrying vehicle protective device that knocks into the back

The utility model relates to a kind of anticollision device for vehicle.The anti-swing arm frame that knocks into the back that mainly refers to the small passenger car collision truck tailstock.

At present, the most of highway of China is still small passenger car and truck all-purpose road, small passenger car knocks into the back truck and collides bottom the truck, it is the most incident traffic accident accident, but common truck afterbody is provided with the anti-pickup of fixing plane baffle plate frame and knocks into the back, and anti-collision has little effect, and the baffle plate frame also can take place and be broken when running into higher obstacle in the road surface.

In view of this, the purpose of this utility model provides a kind of load-carrying vehicle protective device that knocks into the back, can have the impact energy that absorbs the small passenger car that knocks into the back, prevent that small passenger car from piercing the truck bottom, and the road surface of travelling is when running into higher obstacle, the swing arm frame can be lifted and reset automatically, and simultaneously, truck falls back and also can lift easily when meeting encumbrance and fix automatically.

The purpose of this utility model is achieved in that it mainly comprises two fixed mounts, two suspending rod and a tube frame, wherein be provided with the bearing pin of a level in the fixed mount upper end, setting firmly with the bearing pin axle center on its outside again is the locking arc plate at center, suspending rod is articulated on the bearing pin of fixed mount with its upper end and is engaged in the fixed mount, this suspending rod outside is gone up and articulated the one end is the fork of fastening screw, is provided with in its outside again to support fastening screw to keep the spring that contacts with locking arc plate curved edge; Tube frame is to be fused by last horizontal endless tube, following horizontal endless tube and many VERTICAL TUBE, wherein many VERTICAL TUBE compartment of terrains are connected the right side pipe of upper and lower horizontal endless tube, the compartment of terrain connects the folded pipe of many groups between upper and lower horizontal endless tube left and right side pipe, and this tube frame is connected two suspending rod bottoms of symmetry with the left side pipe of its upper and lower horizontal endless tube.

A positioning groove is offered at the arc lower edge of above-mentioned locking arc plate, and curved edge is offered recessed section with medial launder on it, articulates at right angles leg-of-mutton one unidirectional pendulum tooth again in medial launder.

The upper and lower wall of above-mentioned folded pipe all is pressed into the arc shape undaform.

Owing to adopt such scheme: can prevent that not only car from piercing the truck bottom, but and the road surface of travelling also safety traffic or reversing when running into obstacle.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 the utility model exemplary embodiments side schematic view.

Fig. 2 the utility model exemplary embodiments local horizontal scheme drawing.

Among the figure: 1, fixed mount 11, locking arc plate 111, positioning groove 112, unidirectional pendulum tooth 113, recessed section 1131, medial launder 12, bearing pin 2, suspending rod 21, small clevis pin with head 22, fork 221, fastening screw 23, spring 3, pipe thick stick frame 31, go up horizontal endless tube 32, horizontal endless tube 33, VERTICAL TUBE 34, folded pipe 341, arc groove down

Present embodiment mainly comprises two fixed mounts 1, two suspending rod 2 and a tube frame 3, as shown in Figure 1, 2, and wherein:

Fixed mount 1 is the channel-section steel of captive joint (as: welding) on truck girder breech face, (channel-section steel) is provided with the bearing pin 12 of level in its upper end, and on the outside (channel-section steel the outside) to set firmly with bearing pin 12 axle center be the locking arc plate 11 at center, a positioning groove 111 is offered at the arc lower edge of this locking arc plate 11, and upward articulate unidirectional pendulum teeth 112 in the medial launder 1131 of the recessed section 113 of curved edge, this unidirectional pendulum tooth 112 is a right angle triangle, and be articulated in an acute angle place with a bearing pin, and stretch out outside locking arc plate 11 edges at another acute angle place, if should be unidirectional pendulum tooth 112 courts when clockwise rotating, be resisted against the downside of locking arc plate 11 recessed sections 113 up to an acute angle place and stop, and stretch out outward, expose square edge this moment one, and to be outside below skewed; If when this unidirectional pendulum tooth 112 returns rotation towards inhour, stop against medial launder 1131 bottom surfaces, form a groove at this moment between the hypotenuse of the downside of recessed section 113 and unidirectional pendulum tooth 112 up to a square edge.

Suspending rod 2 is to be articulated on the bearing pin 12 of fixed mount 1 with its upper end, and be engaged in the channel-section steel in the fixed mount 1 (channel-section steel), (the channel-section steel outside) sets firmly a horizontal small clevis pin with head 21 on these suspending rod 2 outsides, articulating the one end on this small clevis pin with head 21 is the fork 22 of fastening screw 221, solderless wrapped connection one spring 23 (torque spring) on small clevis pin with head 21 again, the one end is fixed on suspending rod 2 sides, the other end is supported in fastening screw 221 bottom surfaces, make fastening screw 221 all the time against locking arc plate 11 curved edges, when if suspending rod 2 is in vertical position (perpendicular to ground), fastening screw 211 enters in the positioning groove 111 of locking arc plate 11, at this moment, make suspending rod 2 can not be again towards the cw swing, promptly tube frame 3 be in the anti-state that knocks into the back (on, following horizontal endless tube 31,32 are horizontal); When if car meets higher obstacle in travelling, make suspending rod 2 towards the inhour swing, this moment, suspending rod 2 and lower end bonded assembly tube frame 3 thereof lifted gradually, and after crossing the road barrier thing, suspending rod 2 is automatically towards the cw swing, in fastening screw 211 restoring to normal position grooves 11 again; If when having higher obstacle or car maintenance to need during reversing behind the car, manually inhour is swung suspending rod 2, in fastening screw 211 enters recessed section 113 downside and the groove between the unidirectional pendulum tooth 112 of locking arc plate 11, suspending rod 2 and lower end bonded assembly tube frame 3 thereof are raised to be maintained static, again if need to recover normal anti-when knocking into the back state, spur suspending rod 2 counter clockwise slightly, fastening screw 211 climbs out of the square edge of unidirectional pendulum tooth 112, unidirectional pendulum tooth 112 just is resisted against the downside of recessed section 113, fastening screw 211 slides along the square edge (being outside below this moment tilts) of unidirectional pendulum tooth 112, and fastening screw 211 is turned back in the positioning groove 111 of locking arc plate 11.

Tube frame 3 (as: steel framework) is by last horizontal endless tube 31, following horizontal endless tube 32, many VERTICAL TUBE 33 and the folded pipe 34 of many groups fuse, (suspending rod 2 is opened vertical slotted hole to left side pipe (front end) bolt together of horizontal endless tube 31 and following horizontal endless tube 32 in two suspending rod, 2 bottoms of symmetry on it, the height of scalable connection location), and on, following horizontal endless tube 31,32 right side pipe (rear end) links into an integrated entity with many VERTICAL TUBE 33 separately, again respectively on a last horizontal endless tube 31 and a left side of descending horizontal endless tube 32, set firmly the folded pipe of many groups 34 (being three group of 3 stacked pipe among the figure) right side pipe interbody spacer, and on the folded pipe 34, lower wall all is pressed into the arcuation undaform, to strengthen folded pipe 34 rigidity (absorbing the ability of impulsive force); When the impulsive force of the car that knocks into the back collides the upper and lower horizontal endless tube 31,32 of tube frame and many VERTICAL TUBE 33, through the folded pipe 34 of many groups, hit to the one-level level the flat impulsive force that absorbs, the car damage can alleviate greatly, when if the impulsive force of car is big, even suspending rod 2 bendings are stopped by fixed mount 2 also, car still can not creep into the truck bottom.

Claims (3)

1, a kind of load-carrying vehicle protective device that knocks into the back, it is characterized in that: it mainly comprises two fixed mounts (1), two suspending rod (2) and a tube frame (3), wherein be provided with the bearing pin (12) of a level in fixed mount (1) upper end, setting firmly with bearing pin (12) axle center on its outside again is the locking arc plate (11) at center, suspending rod (2) is articulated on the bearing pin (12) of fixed mount (1) with its upper end, and be engaged in the fixed mount (1), articulating the one end on this suspending rod (2) outside is the fork (22) of fastening screw (221), is provided with in its outside again to support fastening screw (221) to keep the spring (23) that contacts with locking arc plate (11) curved edge; Tube frame (3) is to be fused by last horizontal endless tube (31), following horizontal endless tube (32) and many VERTICAL TUBE (33), wherein many VERTICAL TUBE (33) compartment of terrain is connected the right side pipe of upper and lower horizontal endless tube (31), (32), the compartment of terrain connects many folded pipes of group (34) between upper and lower horizontal endless tube (31), (32) left and right side pipe, and this tube frame (3) is connected two suspending rod (2) bottom of symmetry with the left side pipe of its upper and lower horizontal endless tube (31), (32).

2, by the described load-carrying vehicle of claim 1 protective device that knocks into the back, it is characterized in that: a positioning groove (111) is offered at the arc lower edge of above-mentioned locking arc plate (11), and curved edge is offered have medial launder recessed section (113) of (1131) on it, articulates at right angles leg-of-mutton one unidirectional pendulum tooth (112) again in medial launder (1131).

3, by the described load-carrying vehicle of claim 1 protective device that knocks into the back, it is characterized in that: the upper and lower wall of above-mentioned folded pipe (34) all is pressed into the arc shape undaform.

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