CN212529554U

CN212529554U - Flat-bed transportation semitrailer

Info

Publication number: CN212529554U
Application number: CN202021124576.6U
Authority: CN
Inventors: 张延庆
Original assignee: Hebei Wanli Special Vehicle Manufacturing Co ltd
Current assignee: Hebei Wanli Special Vehicle Manufacturing Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-12
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a flat-bed transportation semitrailer, including loading flat-bed and anticollision crossbeam, it is formed with the recess to load dull and stereotyped tail end terminal surface level inwards, and loads dull and stereotyped tail end bottom vertical welding and connect the dead lever, the bottom of dead lever and the top welded connection of anticollision crossbeam, and the medial surface of anticollision crossbeam passes through the anchor strut and loads welded connection between the flat-bed, the top surface welded connection of anticollision crossbeam has the montant, and the top welded connection of montant has the roof, the movable rod has been inserted inside the recess, the movable rod inserts the cell wall welded connection through first elasticity spring and recess to the one end in the recess. This flat-bed transportation semitrailer is provided with scrapes crashproof crossbeam, dead lever and anchor strut, and the three can make up into a protector, and huge kinetic energy when can effectively preventing the vehicle from knocking into the rear can avoid the vehicle to bore into the semitrailer bottom, has protected personnel in the car effectively, and the practicality is strong.

Description

Flat-bed transportation semitrailer

Technical Field

The utility model relates to a semitrailer technical field specifically is a flat-bed transport semitrailer.

Background

Ordinary car causes the member to appear seriously hindering or dead vicious traffic accident most easily when the semitrailer knocks into back, so it is very important to the protection of semitrailer afterbody, present semitrailer afterbody protector is a simple guard plate, intensity is not enough, can not effectively prevent the huge kinetic energy when the vehicle knocks into back, the protecting effect is poor, the practicality is not strong, can not satisfy people's user demand, in view of the defect that exists among the above prior art, it is necessary to improve it further, make it more possess the practicality, just can accord with the in-service use condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat-bed transport semitrailer to what solve above-mentioned background art and propose is a simple guard plate, and intensity is not enough, huge kinetic energy when can not effectively prevent the vehicle from knocking into the back, and the protecting effect is poor, the not strong problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a flat transport semi-trailer comprises a loading flat plate and an anti-collision cross beam, wherein a groove is formed in the tail end face of the loading flat plate horizontally and inwards, a fixing rod is vertically welded at the bottom end of the tail end of the loading flat plate, the bottom end of the fixing rod is welded with the top end of the anti-collision cross beam, the inner side face of the anti-collision cross beam is welded with the loading flat plate through a reinforcing rod, a vertical rod is welded at the top end of the anti-collision cross beam, a top plate is welded at the top end of the vertical rod, a movable rod is inserted into the groove, a cavity and a communicating groove are formed in the wall body of the loading flat plate at the groove wall, one end of the movable rod inserted into the groove is welded with the groove wall of the groove through a first elastic spring, a protection plate is welded at the other end of the movable rod, a clamping groove is, and the clamping rod is sleeved with a lantern ring which is welded with the clamping rod, the top end of the cavity is communicated with the groove wall of the groove through the communicating groove, the bottom end of the cavity is communicated with the outer wall of the loading flat plate through the communicating groove, the top end of the clamping rod is inserted into the clamping groove, the bottom end of the clamping rod is abutted to the top plate, the lantern ring is located in the cavity, the clamping rod between the lantern ring and the cavity is sleeved with a second elastic spring, and the two ends of the second elastic spring are welded with the lantern ring and the inner wall of the cavity.

Preferably, the anti-collision cross beam, the fixing rod and the reinforcing rod form a triangular structure, and the cross section of the reinforcing rod is in an I shape.

Preferably, the top plate is rectangular block-shaped, the side length of the top plate is larger than the inner diameter of the communication groove, and the top plate and the outer wall of the anti-collision beam are attached to each other and are not fixed.

Preferably, the maximum deformation amount of the first elastic spring is half of the length of the movable rod, and the maximum deformation amount of the second elastic spring is larger than the groove depth of the clamping groove.

Preferably, the inner diameters of the clamping groove and the communicating groove are consistent with the diameter of the clamping rod, and the groove walls of the clamping groove and the communicating groove are smooth.

Preferably, the cross sections of the cavity, the communicating groove and the clamping groove are circular, and the cavity, the communicating groove, the clamping groove and the vertical rod are coaxial.

Compared with the prior art, the beneficial effects of the utility model are that: the flat-bed transportation semitrailer is provided with the scraping anti-collision cross beam, the fixing rod and the reinforcing rod, the scraping anti-collision cross beam, the fixing rod and the reinforcing rod can be combined into a protective device, the protective device is triangular in distribution, the structural strength is high, huge kinetic energy during rear-end collision of a vehicle can be effectively prevented, the vehicle is prevented from drilling into the bottom of the semitrailer, personnel in the vehicle are effectively protected, and the practicability is high;

be provided with the guard plate, receive the vehicle and collide the back when crashproof crossbeam, the montant on it can take place the skew, and the guard plate can pop out like this, can apply a reaction force to the vehicle, avoids the carriage of vehicle to strike the semitrailer, has further improved holistic protecting effect, very big reduction the incidence of malignant traffic accident, be favorable to using widely.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of point B in fig. 3 according to the present invention.

In the figure: 1. loading is dull and stereotyped, 2, crashproof crossbeam, 3, dead lever, 4, anchor strut, 5, montant, 6, roof, 7, recess, 8, guard plate, 9, block rubber, 10, movable rod, 11, first elasticity spring, 12, draw-in groove, 13, cavity, 14, intercommunication groove, 15, kelly, 16, the lantern ring, 17, second elasticity spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a flat transport semi-trailer comprises a loading flat plate 1 and an anti-collision crossbeam 2, a groove 7 is formed in the tail end face of the loading flat plate 1 horizontally and inwards, a fixed rod 3 is vertically welded and connected to the bottom end of the tail end of the loading flat plate 1, the bottom end of the fixed rod 3 is welded and connected with the top end of the anti-collision crossbeam 2, the inner side face of the anti-collision crossbeam 2 is welded and connected with the loading flat plate 1 through a reinforcing rod 4, a vertical rod 5 is welded and connected to the top end of the anti-collision crossbeam 2, a top plate 6 is welded and connected to the top end of the vertical rod 5, a movable rod 10 is inserted into the groove 7, a cavity 13 and a communicating groove 14 are formed in the wall body of the loading flat plate 1 at the groove wall position of the groove 7, one end, inserted into the groove 7, of the movable rod 10 is welded and connected with the groove wall of the groove 7, cavity 13 and communicating groove 14 are inside to penetrate card pole 15, and the cover has rather than welded connection's lantern ring 16 on the card pole 15, the top of cavity 13 is linked together through the cell wall of communicating groove 14 with recess 7, and the bottom of cavity 13 is linked together through communicating groove 14 and loading flat board 1 outer wall, card pole 15's top is inserted to draw-in groove 12 in, and card pole 15's bottom and roof 6 counterbalance, lantern ring 16 is located cavity 13, and the cover has second elastic spring 17 on the card pole 15 between lantern ring 16 and the cavity 13, and be welded connection between second elastic spring 17's both ends and lantern ring 16 and the cavity 13 inner wall.

Crashproof crossbeam 2, dead lever 3 and anchor strut 4 three constitute the triangle-shaped structure, and the cross-section of anchor strut 4 is "worker" word form, and triangular distribution can improve crashproof crossbeam 2, dead lever 3 and anchor strut 4's intensity, and the cross-sectional shape design of anchor strut 4 can improve its bending strength simultaneously, can improve whole protecting effect like this, huge kinetic energy when can effectually preventing the car from knocking into the back.

Roof 6 is rectangular block, and the length of a side of roof 6 is greater than the internal diameter of intercommunication groove 14 to laminate mutually between

roof

6 and 2 outer walls of anticollision crossbeam and not fixed, top 6 can be with 15 upsets of kelly, and make kelly 15 insert in draw-in groove 12, and when anticollision crossbeam 2 received and clash, anticollision crossbeam 2 can drive montant 5 and take place the skew, and is rational in infrastructure.

The biggest deformation volume of first elastic spring 11 is half of movable rod 10 length, and the biggest deformation volume of second elastic spring 17 is greater than the groove depth of draw-in groove 12, when guard plate 8 and loading flat board 1 laminating, first elastic spring 11 was in the compression form this moment, when kelly 15 inserted in draw-in groove 12, second elastic spring 17 was in tensile form, when first elastic spring 11 resumeed deformation like this, can pop out guard plate 8, when second elastic spring 17 resumeed deformation, can follow draw-in groove 12 with kelly 15 and shift out.

The internal diameters of the clamping groove 12 and the communicating groove 14 are consistent with the diameter of the clamping rod 15, and the groove walls of the clamping groove 12 and the communicating groove 14 are smooth, so that the clamping rod 15 can move in the clamping groove 12 and the communicating groove 14, and the moving crossheading does not generate inclined clamping.

The cross sections of the cavity 13, the communicating groove 14 and the clamping groove 12 are circular, and the cavity 13, the communicating groove 14, the clamping groove 12 and the vertical rod 5 are coaxial, so that the clamping rod 15 can be just propped against the vertical rod 5, the clamping rod 15 is clamped with the clamping groove 12, and the movable rod 10 is fixed.

The working principle is as follows: when a vehicle collides with the tail part of the loading flat plate 1, the vehicle firstly collides with the anti-collision beam 2, the anti-collision beam 2 is matched with the fixed rod 3 and the reinforcing rod 4 to resist the huge kinetic energy generated by the vehicle collision, the vehicle is prevented from penetrating into the bottom of the loading flat plate 1, and the anti-collision beam 2 is deformed after being collided, and thus the vertical rod 5 thereon is displaced so that the top plate 5 at the top end of the vertical rod 5 is separated from the clamping rod 15, at which time, the second elastic spring 17 is restored to be deformed, the clamping rod 15 is driven to reset through the lantern ring 16, so that the clamping rod 15 is separated from the clamping groove 12, the movable rod 10 extends out of the groove 7 under the action of the elastic force of the first elastic spring 11, and then can stretch out protection plate 8, protection plate 8 can exert a direction effort to the carriage of vehicle, avoids the carriage of vehicle to bump into the afterbody of loading flat board 1, has protected personnel in the car effectively.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a flatbed transport semitrailer, is including loading flat board (1) and crashproof crossbeam (2), its characterized in that: the loading plate is characterized in that a groove (7) is formed in the tail end face of the loading plate (1) in a horizontally inward extending mode, a fixing rod (3) is vertically welded and connected to the bottom end of the tail end of the loading plate (1), the bottom end of the fixing rod (3) is welded and connected with the top end of the anti-collision cross beam (2), the inner side face of the anti-collision cross beam (2) is welded and connected with the loading plate (1) through a reinforcing rod (4), a vertical rod (5) is welded and connected to the top end of the anti-collision cross beam (2), a top plate (6) is welded and connected to the top end of the vertical rod (5), a movable rod (10) is inserted into the groove (7), a cavity (13) and a communication groove (14) are formed in the wall body of the loading plate (1) at the groove wall of the groove (7), and one end, inserted into the groove (7), of, the other end of the movable rod (10) is connected with a protective plate (8) in a welding way, the surface of the movable rod (10) facing the communicating groove (14) is provided with a clamping groove (12), a clamping rod (15) penetrates into the cavity (13) and the communicating groove (14), a lantern ring (16) welded with the clamping rod (15) is sleeved on the clamping rod, the top end of the cavity (13) is communicated with the groove wall of the groove (7) through a communicating groove (14), the bottom end of the cavity (13) is communicated with the outer wall of the loading flat plate (1) through a communicating groove (14), the top end of the clamping rod (15) is inserted into the clamping groove (12), the bottom end of the clamping rod (15) is abutted against the top plate (6), the lantern ring (16) is positioned in the cavity (13), and a second elastic spring (17) is sleeved on the clamping rod (15) between the lantern ring (16) and the cavity (13), and both ends of the second elastic spring (17) are welded with the lantern ring (16) and the inner wall of the cavity (13).

2. The flatbed transport semitrailer of claim 1, wherein: the anti-collision cross beam (2), the fixing rod (3) and the reinforcing rod (4) form a triangular structure, and the cross section of the reinforcing rod (4) is in an I shape.

3. The flatbed transport semitrailer of claim 1, wherein: the top plate (6) is rectangular block-shaped, the side length of the top plate (6) is larger than the inner diameter of the communication groove (14), and the top plate (6) and the outer wall of the anti-collision beam (2) are attached to each other and are not fixed.

4. The flatbed transport semitrailer of claim 1, wherein: the maximum deformation of the first elastic spring (11) is half of the length of the movable rod (10), and the maximum deformation of the second elastic spring (17) is larger than the groove depth of the clamping groove (12).

5. The flatbed transport semitrailer of claim 1, wherein: the inner diameters of the clamping groove (12) and the communicating groove (14) are consistent with the diameter of the clamping rod (15), and the groove walls of the clamping groove (12) and the communicating groove (14) are smooth.

6. The flatbed transport semitrailer of claim 1, wherein: the cross sections of the cavity (13), the communicating groove (14) and the clamping groove (12) are circular, and the cavity (13), the communicating groove (14), the clamping groove (12) and the vertical rod (5) are coaxial.