CN2447229Y

CN2447229Y - Rear end collision preventor for large truck

Info

Publication number: CN2447229Y
Application number: CN 00236680
Authority: CN
Inventors: 李博良; 李博成
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-26
Filing date: 2000-05-26
Publication date: 2001-09-12
Anticipated expiration: 2010-05-26

Abstract

The utility model relates to a rear end collision preventing device for a load-carrying vehicle, especially suitable for a large load-carrying vehicle (over 10 tons). A fixed frame of the utility model is composed of a vertical channel steel and a horizontal channel steel which are in a mutually vertical arrangement, and a side plate of the vertical channel steel is provided with a plurality of pairs of pin holes; a frame is composed of a plurality of inclined bracing steel pipes and a horizontal channel steel; two side plates of a suspended arm are provided with a plurality of pairs of pin holes; two pairs and more than two pairs of corresponding pin holes are respectively penetrated with cylindrical pins. Thus, the utility model can reliably prevent motor cars from penetrating the tail of the load-carrying vehicle. The utility model has the advantages of simple structure and low cost.

Description

Large-scale load-carrying vehicle rear lower vertically lifts formula and protects the device that knocks into the back

The utility model relates to the anti-device that knocks into the back of a kind of load-carrying vehicle rear lower, is particularly suited for large-scale load-carrying vehicle (more than 10 tons).

At present, the most of highway of China remains small passenger car and load-carrying vehicle all-purpose road, the knock into the back traffic accident of load-carrying vehicle rear lower of small passenger car often appears easily, though, also there is type load-carrying vehicle rear lower directly to set firmly the plane baffle plate, in case small passenger car knocks into the back, but, the collision speed difference of car owing to knock into the back, the energy size of colliding is also different, often is not to cause lorry rear lower and small passenger car head to damage, and is exactly that small passenger car knocks into the back in the loading rear lower, and load-carrying vehicle also can collide with said fixing plane baffle plate when running into obstacle in travelling.

In view of this, the purpose of this utility model provides a kind of large-scale load-carrying vehicle rear lower and vertically lifts the anti-device that knocks into the back of formula, it is that the stronger suspension type structure of globality of a square steel tube and channel-section steel combination is set at the load-carrying vehicle rear lower, and arm is moved vertically, in case touch the road barrier thing.

The purpose of this utility model is achieved in that it comprises two arms, a framework and two fixed mounts, is characterized in that: fixed mount is vertically to be made of mutually vertical channel beam and horizontal channel-section steel, offers several to pin-and-hole on this vertical channel beam side plate; Framework is to be made of many diagonal ligament steel pipes and a horizontal channel-section steel; Offer severally on the arm biside plate, in corresponding pin-and-hole more than two pairs and two pairs, wear straight pin respectively pin-and-hole.

Described arm is a square steel tube.

Described many diagonal ligament steel pipes are formed the M word shape.

Owing to adopt such scheme: can prevent reliably that small passenger car from piercing the load-carrying vehicle afterbody, and also simple in structure, cheap.

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

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

The A-A generalized section of Fig. 2 the utility model exemplary embodiments Fig. 1.

The B-B generalized section of Fig. 3 the utility model exemplary embodiments Fig. 1.

Fig. 4 the utility model exemplary embodiments schematic rear view.

The C-C cross-sectional schematic of Fig. 5 the utility model exemplary embodiments Fig. 4.

Among the figure: 1, arm, 11, pin-and-hole, 2, framework, 21, the diagonal ligament steel pipe, 22, horizontal channel-section steel, 3, fixed mount, 31, vertical channel beam, 311, pin-and-hole, 32, horizontal channel-section steel, 4, straight pin, 5, the crossbeam underframe.

Present embodiment comprises two arms 1, a framework; 2, two fixed mounts 3 and a plurality of straight pin 4, shown in Fig. 1～5, wherein:

Two fixed mounts 3 are vertically to be formed by connecting mutually by two parallel vertical channel beam 31 and two parallel horizontal channel-section steels 32, wherein offer severally to (among Fig. 1 being two pairs) pin-and-hole 311 on vertical channel beam 31 side plates, and horizontal channel-section steel 32 is fixed on crossbeam underframe 5 rear ends of load-carrying vehicle.

Two arms 1 are the strong square steel tube of rigidity, offer several to (among Fig. 1 being four pairs) pin-and-hole 11 on its biside plate.

One framework 2 is to be made of many diagonal ligament steel pipes 21 and a horizontal channel-section steel 22, wherein the rear end of many diagonal ligament steel pipes 21 is connected horizontal channel-section steel 22 inboards, and its front end is connected outside two arms, 1 side plate, and many diagonal ligament steel pipes 21 are formed M word version, this connection structure not only rigidity and intensity is good, and simple in structure.

A plurality of straight pins 4 (among Fig. 1 being 2), be located in corresponding pin-and-hole 311 and the pin-and-hole 11, arm 1 is connected securely with fixed mount 3, increase integrally-built intensity and rigidity, simultaneously straight pin 4 can be from one dismounting easily in the pin-and-

hole

311,11 of position, and insert in the pin-and-

hole

311,11 of another location, thereby change the length of arm 1 hanging, often levy travel (arm is stretched longer 1 time) to adapt to load-carrying vehicle, when obstacle is met on the road surface (arm is stretched shorter 1 time), two kinds of running conditions.

Claims

1, a kind of large-scale load-carrying vehicle rear lower vertically lifts the anti-device that knocks into the back of formula, comprise two arms (1), a framework (2) and two fixed mounts (3), it is characterized in that: fixed mount (3) is by vertical channel beam (31) and horizontal channel-section steel (32) is vertical mutually constitutes, and offers several to pin-and-hole (311) on this vertical channel beam (31) side plate; Framework (2) is to be made of many diagonal ligament steel pipes (21) and a horizontal channel-section steel (22); Offer severally on arm (1) biside plate, in corresponding pin-and-hole (11) and (311) more than two pairs and two pairs, wear straight pin (4) respectively pin-and-hole (11).

2, vertically lift the anti-device that knocks into the back of formula by the described large-scale load-carrying vehicle rear lower of claim 1, it is characterized in that: described arm (1) is a square steel tube.

3, vertically lift the anti-device that knocks into the back of formula by the described large-scale load-carrying vehicle rear lower of claim 1, it is characterized in that: described many diagonal ligament steel pipes (21) are formed the M word shape.