CN217456114U

CN217456114U - Lightweight semitrailer frame with reinforcing structure

Info

Publication number: CN217456114U
Application number: CN202220971114.0U
Authority: CN
Inventors: 李文强; 韩远生; 李广明
Original assignee: Guangzhou Beituojia Metal Products Co ltd
Current assignee: Guangzhou Beituojia Metal Products Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-20
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a semitrailer frame technical field, especially a take additional strengthening's lightweight semitrailer frame, including the frame main part, crash bar before one side fixedly connected with of frame main part, crash bar behind one side fixedly connected with of crash bar before the frame main part is kept away from, the middle part fixedly connected with atress seat of frame main part one side, the equal fixedly connected with in both sides of atress seat symmetry supports the guide bar, the first buffer spring of one side equal fixedly connected with of atress seat, preceding crash bar and back crash bar. The utility model has the advantages that: through the cooperation setting of the articulated seat of first buffer spring, first buffering, buffering connecting rod, the articulated seat of second buffering, buffer baffle, elastic buffer pad, second buffer spring and buffer lever has been compared in present frame and has been increased the structure of buffering, can cushion external impact, very big condition of having avoided the vehicle to damage has guaranteed the life of this semi-trailer frame.

Description

Lightweight semitrailer frame with reinforcing structure

Technical Field

The utility model relates to a semitrailer frame technical field, especially a take additional strengthening's lightweight semitrailer frame.

Background

The semitrailer is a trailer with an axle arranged behind the gravity center of the vehicle (when the vehicle is evenly loaded) and a coupling device capable of transmitting horizontal and vertical forces to a tractor, and is generally a three-axle semitrailer, which is classified into eleven-meter-bin-column semitrailer, thirteen-meter-bin-column semitrailer, low-bed semitrailer and the like, and is a heavy transportation vehicle connected with the head of the semitrailer through a towing pin.

Present semitrailer frame does not possess the structure of strengthening and buffering, appears the condition that semitrailer frame damaged when semitrailer frame meets external impact easily, has reduced semitrailer frame's life, consequently needs a lightweight semitrailer frame of taking additional strengthening to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a take additional strengthening's lightweight semi-trailer frame, effectively solved prior art's not enough.

The purpose of the utility model is realized through the following technical scheme: a lightweight semitrailer frame with a reinforcing structure comprises a frame main body, wherein a front anti-collision rod is fixedly connected to one side of the frame main body, a rear anti-collision rod is fixedly connected to one side of the frame main body, which is far away from the front anti-collision rod, a stress seat is fixedly connected to the middle part of one side of the frame main body, supporting guide rods are fixedly connected to two symmetrical sides of the stress seat, a first buffer spring is fixedly connected to one side of the stress seat, the front anti-collision rod and the rear anti-collision rod, a first buffer hinge seat is fixedly connected to one end of the first buffer spring, a buffer connecting rod is hinged to one side of the first buffer hinge seat, a second buffer hinge seat is hinged to one end of the buffer connecting rod, which is far away from the first buffer hinge seat, a buffer baffle is fixedly connected to one side of the second buffer hinge seat, and an elastic cushion is fixedly connected to one side of the buffer baffle, which is far away from the second buffer hinge seat, the buffer slot has been seted up to one side of atress seat, the inner wall fixedly connected with second buffer spring of buffer slot, the one end fixedly connected with buffer beam of second buffer spring.

Optionally, one side of the rear bumper bar is fixedly connected with an anti-collision fence, and one side of the anti-collision fence is fixedly connected with an elastic buffer block.

Optionally, a part of the supporting guide rod is located inside the first buffer spring, one end of the supporting guide rod, which is far away from the stress base, is fixedly connected with the front bumper bar, and the other end of the supporting guide rod, which is far away from the stress base, is fixedly connected with the rear bumper bar.

Optionally, the support guide rod penetrates through the first buffer hinge seat, the first buffer hinge seat is connected with the support guide rod in a sliding manner, and the support guide rod supports and guides the first buffer hinge seat to enable the first buffer hinge seat to move linearly only in the direction of the support guide rod.

Optionally, the length of the second buffer spring is smaller than the depth of the buffer groove, the buffer rod is slidably connected with the buffer groove, and the buffer rod is matched with the buffer groove in size.

Optionally, one end of the buffer rod, which is far away from the second buffer spring, is fixedly connected with the buffer baffle plate, so that the buffer baffle plate and the buffer rod form a connection relationship, and the buffer rod can move the buffer baffle plate.

Optionally, the elastic buffer block is made of rubber, and can buffer the force applied to the anti-collision fence.

The utility model has the advantages of it is following:

1. the lightweight semitrailer frame with the reinforcing structure is characterized in that the first buffer spring, the first buffer hinge seat, the buffer connecting rod, the second buffer hinge seat, the buffer baffle, the elastic buffer pad, the second buffer spring and the buffer rod are arranged in a matched manner, when the elastic buffer pad is subjected to external impact force, the elastic buffer pad drives the buffer baffle to move towards the direction of the frame main body, at the moment, the buffer rod moves and extrudes the second buffer spring, the second buffer hinge seat also moves along with the movement of the buffer baffle, the first hinge seat moves and extrudes the first buffer spring under the action of the buffer connecting rod, the external impact force can be buffered under the reaction force of the first buffer spring and the second buffer spring, compared with the existing semitrailer frame, the lightweight semitrailer frame with the reinforcing structure is additionally provided with a buffering structure, and the external impact force can be buffered, thereby very big the condition of avoiding the vehicle to damage has guaranteed this semitrailer frame's life.

2. This take additional strengthening's lightweight semitrailer frame, through the cooperation setting of preceding crash bar, back crash bar, atress seat, support guide bar, anticollision barrier and elastic buffer piece, through preceding crash bar and back crash bar can protect the frame main part, and can protect the back crash bar through anticollision barrier and elastic buffer piece, and when the anticollision barrier receives external impact force, through support guide bar and atress seat can strengthen the bulk rigidity of back crash bar, thereby very big having avoided the back crash bar receives the easy condition of warping of external force, and then can be better protect the frame main part, increased the structure of strengthening compared in present semitrailer frame to further guarantee this semitrailer frame's life.

Drawings

Fig. 1 is a schematic view of a first view structure of the present invention;

fig. 2 is a schematic view of a second perspective structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the force-bearing seat and the connecting member thereof.

In the figure: 1-frame body, 2-front bumper bar, 3-rear bumper bar, 4-stress seat, 5-support guide bar, 6-first buffer spring, 7-first buffer hinge seat, 8-buffer connecting rod, 9-second buffer hinge seat, 10-buffer baffle, 11-elastic buffer pad, 12-buffer groove, 13-second buffer spring, 14-buffer bar, 15-anti-collision fence and 16-elastic buffer block.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in FIGS. 1-3, a lightweight semitrailer frame with a reinforcing structure comprises a frame body 1, a front anti-collision rod 2 fixedly connected to one side of the frame body 1, a rear anti-collision rod 3 fixedly connected to one side of the frame body 1 away from the front anti-collision rod 2, a force-bearing seat 4 fixedly connected to the middle of one side of the frame body 1, support guide rods 5 fixedly connected to two symmetrical sides of the force-bearing seat 4, a first buffer spring 6 fixedly connected to each of the force-bearing seat 4, the front anti-collision rod 2 and the rear anti-collision rod 3, a first buffer hinge seat 7 fixedly connected to one end of the first buffer spring 6, a buffer connecting rod 8 hinged to one side of the first buffer hinge seat 7, a second buffer hinge seat 9 hinged to one end of the buffer connecting rod 8 away from the first buffer hinge seat 7, a buffer baffle 10 fixedly connected to one side of the second buffer hinge seat 9, and an elastic buffer cushion pad 11 fixedly connected to one side of the buffer baffle 10 away from the second buffer hinge seat 9, a buffer groove 12 is formed in one side of the stress seat 4, a second buffer spring 13 is fixedly connected to the inner wall of the buffer groove 12, and a buffer rod 14 is fixedly connected to one end of the second buffer spring 13.

As an optional technical solution of the utility model: one side of the rear bumper bar 3 is fixedly connected with an anti-collision fence 15, and one side of the anti-collision fence 15 is fixedly connected with an elastic buffer block 16.

As an optional technical solution of the utility model: one part of the supporting guide rod 5 is positioned in the first buffer spring 6, one end of one supporting guide rod 5, which is far away from the stress seat 4, is fixedly connected with the front bumper bar 2, and the other end of the other supporting guide rod 5, which is far away from the stress seat 4, is fixedly connected with the rear bumper bar 3.

As an optional technical solution of the utility model: the support guide rod 5 penetrates through the first buffer hinge seat 7, the first buffer hinge seat 7 is in sliding connection with the support guide rod 5, and the first buffer hinge seat 7 is supported and guided by the support guide rod 5, so that the first buffer hinge seat 7 can only move linearly along the direction of the support guide rod 5.

As an optional technical solution of the utility model: the length of second buffer spring 13 is less than the degree of depth of buffer slot 12, buffer rod 14 and buffer slot 12 sliding connection, and buffer rod 14 and the size looks adaptation of buffer slot 12.

As an optional technical solution of the utility model: one end of the buffer rod 14, which is far away from the second buffer spring 13, is fixedly connected with the buffer baffle 10, so that the buffer baffle 10 and the buffer rod 14 form a connection relationship, and the buffer rod 14 can move to the movement of the buffer baffle 10.

As an optional technical solution of the utility model: the elastic buffer block 16 is made of rubber, and can buffer the force applied to the bumper rail 15.

The working process of the utility model is as follows:

when the elastic buffer cushion 11 is subjected to an external impact force, the elastic buffer cushion 11 will drive the buffer baffle 10 to move towards the frame body 1, at the moment, the buffer rod 14 moves and extrudes the second buffer spring 13, and the second buffer hinge seat 9 also moves along with the movement of the buffer baffle 10, the first hinge seat 7 moves and extrudes the first buffer spring 6 under the action of the buffer connecting rod 8, and the external impact force can be buffered under the reaction force of the first buffer spring 6 and the second buffer spring 13.

In summary, the following steps: the lightweight semitrailer frame with the reinforcing structure has the advantages that through the matched arrangement of the first buffer spring 6, the first buffer hinge seat 7, the buffer connecting rod 8, the second buffer hinge seat 9, the buffer baffle plate 10, the elastic buffer cushion 11, the second buffer spring 13 and the buffer rod 14, compared with the existing semitrailer frame, the buffer structure is added, and external impact force can be buffered, so that the condition of vehicle damage is greatly avoided, the service life of the semitrailer frame is ensured, through the matched arrangement of the front crash bar 2, the rear crash bar 3, the stress seat 4, the support guide rod 5, the crash bar 15 and the elastic buffer block 16, the frame main body 1 can be protected through the front crash bar 2 and the rear crash bar 3, and the rear crash bar 3 can be protected through the crash bar 15 and the elastic buffer block 16, and when the crash bar 15 is subjected to external impact force, the integral rigidity of the rear anti-collision rod 3 can be enhanced through the supporting guide rod 5 and the stress seat 4, so that the situation that the rear anti-collision rod 3 is easily deformed by external force is greatly avoided, the frame main body 1 can be better protected, a reinforced structure is added compared with the existing semi-trailer frame, and the service life of the semi-trailer frame is further ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take additional strengthening's lightweight semitrailer frame which characterized in that: the frame comprises a frame main body (1), wherein a front anti-collision rod (2) is fixedly connected to one side of the frame main body (1), a rear anti-collision rod (3) is fixedly connected to one side, away from the front anti-collision rod (2), of the frame main body (1), a stress seat (4) is fixedly connected to the middle of one side of the frame main body (1), supporting guide rods (5) are fixedly connected to two symmetrical sides of the stress seat (4), a first buffer spring (6) is fixedly connected to one side of the stress seat (4), the front anti-collision rod (2) and the rear anti-collision rod (3), a first buffer hinge seat (7) is fixedly connected to one end of the first buffer spring (6), a buffer connecting rod (8) is hinged to one side of the first buffer hinge seat (7), a second buffer hinge seat (9) is hinged to one end, away from the first hinge seat (7), of the buffer connecting rod (8), one side fixedly connected with buffer stop (10) of the articulated seat of second buffering (9), one side fixedly connected with elastic buffer pad (11) of the articulated seat of second buffering (9) are kept away from in buffer stop (10), dashpot (12) have been seted up to one side of atress seat (4), inner wall fixedly connected with second buffer spring (13) of dashpot (12), one end fixedly connected with buffer beam (14) of second buffer spring (13).

2. The lightweight semitrailer frame with the reinforcing structure of claim 1, is characterized in that: one side of the rear anti-collision rod (3) is fixedly connected with an anti-collision fence (15), and one side of the anti-collision fence (15) is fixedly connected with an elastic buffer block (16).

3. The lightweight semitrailer frame with the reinforcing structure of claim 1, is characterized in that: one part of the supporting guide rod (5) is located inside the first buffer spring (6), one end, far away from the stress seat (4), of the supporting guide rod (5) is fixedly connected with the front anti-collision rod (2), and the other end, far away from the stress seat (4), of the supporting guide rod (5) is fixedly connected with the rear anti-collision rod (3).

4. The lightweight semitrailer frame with the reinforcing structure of claim 1, is characterized in that: the support guide rod (5) penetrates through the first buffer hinge seat (7), and the first buffer hinge seat (7) is connected with the support guide rod (5) in a sliding mode.

5. The lightweight semitrailer frame with the reinforcing structure of claim 1, is characterized in that: the length of second buffer spring (13) is less than the degree of depth of dashpot (12), buffer beam (14) and dashpot (12) sliding connection, the size looks adaptation of buffer beam (14) and dashpot (12).

6. The lightweight semitrailer frame with the reinforcing structure of claim 1, is characterized in that: one end of the buffer rod (14) far away from the second buffer spring (13) is fixedly connected with the buffer baffle (10).

7. The lightweight semitrailer frame with the reinforcing structure of claim 2, is characterized in that: the elastic buffer block (16) is made of rubber.