CN215706705U

CN215706705U - Foldable widening device of low-flat-bed semitrailer

Info

Publication number: CN215706705U
Application number: CN202122201618.2U
Authority: CN
Inventors: 李法玉; 崔光涛
Original assignee: Shandong Yuncheng Jiayun Trailer Manufacturing Co ltd
Current assignee: Shandong Yuncheng Jiayun Trailer Manufacturing Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-01
Anticipated expiration: 2031-09-13

Abstract

The utility model provides a folding widening device of a low-bed semitrailer. The foldable widening device of the low flatbed semitrailer comprises: a frame; the widening structures are arranged on the frame and comprise movable plates, and the movable plates slide on the top of the frame. The utility model provides a folding widening device of a low flatbed semi-trailer, which can realize the automatic widening function of a frame by arranging a widening structure, and when the frame is widened, a movable plate is driven to slide at the top of the frame mainly through a hydraulic assembly, so that the width of the frame is increased, the frame has the widening function, the traditional integrated frame design form is changed, a widening plate does not need to be manually installed, the frame is widened very conveniently and easily, the widening time is greatly shortened, the frame has two use states, different use requirements can be met simultaneously, and the flexibility of the frame in use is further increased.

Description

Foldable widening device of low-flat-bed semitrailer

Technical Field

The utility model relates to the field of semitrailers, in particular to a folding widening device of a low-bed semitrailer.

Background

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

For a low flatbed semi-trailer, the top of the frame is mainly in a horizontal state and is mainly used for transporting some goods with larger volume.

Among the correlation technique, when using low flatbed semitrailer transportation goods, when the width of frame can not satisfy people's transportation demand, because the frame is mostly the integral type design, its width is unadjustable, at this moment, then need the manual work to widen the processing to the frame, and when widening the processing, generally be the manual work and install the both sides at the frame with the widening board, because the widening board is bulky, in actual installation, need consume certain manpower and materials, it is very troublesome to operate.

Therefore, it is necessary to provide a foldable widening device for a low-bed semitrailer to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a folding widening device for a low-bed semitrailer, which solves the problem that manual widening operation for the low-bed semitrailer is very troublesome.

In order to solve the technical problem, the utility model provides a folding widening device of a low-bed semitrailer, which comprises: a frame;

the hydraulic component is fixedly arranged on one side of the connecting block, limiting blocks are fixedly arranged on two sides of the movable plate, and limiting rods are connected to the limiting blocks in a sliding mode;

the four movable grooves are formed in the top of the frame, the outer portion of the connecting block slides in the movable grooves, the hydraulic assembly is located in the movable grooves, two limiting grooves are formed in the two sides of the frame, and the limiting rods are fixed in the movable grooves.

Preferably, the two movable plates are respectively positioned at the front side and the rear side of the top of the frame, and the movable plates are rectangular metal long plates.

Preferably, the front end and the rear end of the limiting rod are fixedly connected with the front side and the rear side of the inner surface of the limiting groove respectively, and the two connecting blocks are located on the left side and the right side of the bottom of the movable plate respectively.

Preferably, the four movable grooves are two in one group, and the two groups of movable grooves are respectively positioned on the front side and the rear side of the top of the frame.

Preferably, the two limiting blocks are respectively located on the left side and the right side of the movable plate, and the outer portions of the limiting blocks are connected with the inner portions of the limiting grooves in a sliding mode.

Preferably, both sides all are provided with bearing structure around the frame, bearing structure includes the fixing base, fixing base fixed mounting in the outside of frame, it is connected with the backup pad to rotate on the fixing base, the backup pad is located the bottom of fly leaf.

Preferably, threaded connection has the location to change the piece in the backup pad, the thread groove has all been seted up to the both sides of fly leaf bottom, the top of location commentaries on classics piece with thread groove internal thread connects.

Compared with the prior art, the folding widening device of the low-bed semitrailer provided by the utility model has the following beneficial effects:

the utility model provides a folding widening device of a low-flat-bed semi-trailer, which can realize the automatic widening function of a frame by arranging a widening structure, and when the frame is widened, a movable plate is driven to slide at the top of the frame by a hydraulic assembly, so that the width of the frame is increased, the frame is self-widened, the traditional integrated frame design form is changed, a widening plate is not required to be manually installed, the frame is widened very conveniently and easily, the widening time is greatly shortened, the frame has two use states, different use requirements can be met simultaneously, the flexibility of the frame in use is further increased, and meanwhile, the limiting rod and the limiting block are matched for use, so that the movable plate has good pressure bearing capacity after being unfolded and can be always kept in a stable state, and goods can be normally placed.

Drawings

Fig. 1 is a schematic structural view of a low flatbed semitrailer folding widening device provided by the utility model;

FIG. 2 is a schematic view of the interior of the frame shown in FIG. 1;

FIG. 3 is a schematic view of the outer portion of the widened configuration shown in FIG. 1;

fig. 4 is a schematic structural view of the folding type widening device of the low-bed semitrailer provided by the utility model in a contracted state;

fig. 5 is a schematic structural view of a second embodiment of the folding type widening device of the low-bed semitrailer provided by the utility model;

fig. 6 is an enlarged view of the portion a shown in fig. 5.

Reference numbers in the figures:

1. a frame;

2. widening the structure;

21. the hydraulic device comprises a movable plate 22, a connecting block 23, a hydraulic assembly 24, a limiting block 25 and a limiting rod;

3. a movable groove;

4. a limiting groove;

5. a support structure;

51. a fixed seat 52, a supporting plate 53 and a positioning rotating piece;

6. a thread groove.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural view of a foldable widening device of a low-bed semitrailer according to the present invention; FIG. 2 is a schematic view of the interior of the frame shown in FIG. 1;

fig. 3 is a schematic view of the structure of the outer part of the widened structure shown in fig. 1. Foldable widening device of low flatbed semitrailer includes:

a frame 1;

the vehicle frame comprises two widening structures 2, wherein the two widening structures 2 are arranged on the vehicle frame 1, each widening structure 2 comprises a movable plate 21, each movable plate 21 slides on the top of the vehicle frame 1, connecting blocks 22 are fixedly arranged on two sides of the bottom of each movable plate 21, a hydraulic assembly 23 is fixedly arranged on one side of each connecting block 22, limiting blocks 24 are fixedly arranged on two sides of each movable plate 21, and limiting rods 25 are slidably connected onto the limiting blocks 24;

the movable groove 3, four the movable groove 3 all sets up in the top of frame 1, the outside of connecting block 22 slide in the movable groove 3, hydraulic assembly 23 is located in the movable groove 3, two spacing grooves 4 have all been seted up to the both sides of frame 1, gag lever post 25 is fixed in inside the movable groove 3.

When the two movable plates 21 are in normal use, the two movable plates 21 are kept in a close fit state, so that the top of the frame 1 is positioned on the same plane, the connecting block 22 is fixedly connected with the telescopic end of the hydraulic component 23 to realize effective connection between the movable plates 21 and the hydraulic component 23, the hydraulic component 23 extends to enable the connecting block 22 to drive the movable plates 21 to slide in the horizontal direction of the top of the frame 1, the connecting block 22 is matched with the movable groove 3 and clamped with the movable groove 3 to limit the movable plates 21, so that the movable plates 21 can stably slide on the top of the frame 1, the two limiting blocks 24 are in sliding connection with the outer parts of the two limiting rods 25, the chicken enables the left side and the right side of the movable plates 21 to be limited, the limiting blocks 24 are matched with the limiting grooves 4 and are arranged with the limiting grooves 4 through the sliding effect between the limiting blocks 24 and the limiting grooves 4 and the sliding effect between the limiting rods 25 and the limiting blocks 24, further, the movable plate 21 is effectively limited, and when the movable plate 21 bears a load, the pressure borne by the movable plate 21 can be effectively shared by the limiting rod 25 and the limiting block 24, so that a stable supporting force is provided for the movable plate.

The two movable plates 21 are respectively located at the front side and the rear side of the top of the frame 1, and the movable plates 21 are rectangular metal long plates.

The movable plate 21 is made of a steel plate with high hardness and is arranged in a manner of being matched with the frame 1, and when the movable plate is unfolded, the width of the frame 1 can be increased.

The front end and the rear end of the limiting rod 25 are respectively fixedly connected with the front side and the rear side of the inner surface of the limiting groove 4, and the two connecting blocks 22 are respectively positioned at the left side and the right side of the bottom of the movable plate 21.

The four movable grooves 3 are two in one group, and the two groups of movable grooves 3 are respectively positioned at the front side and the rear side of the top of the frame 1.

The movable groove 3 is a movable space of the connecting block 22 and is used for installing the hydraulic component 23, and the hydraulic components 23 installed at the bottoms of the two movable plates 21 are staggered and installed inside the frame 1, so that mutual influence is avoided, and normal use of the two sets of hydraulic components 23 is ensured.

The two limiting blocks 24 are respectively located at the left side and the right side of the movable plate 21, and the outer portions of the limiting blocks 24 are slidably connected with the inner portions of the limiting grooves 4.

The working principle of the folding widening device of the low-bed semitrailer provided by the utility model is as follows:

when the frame 1 needs to be widened, the hydraulic assembly 23 is started to move in the horizontal direction, and the connecting block 22 is driven to slide in the movable groove 3, so that the movable plate 21 can slide slowly at the top of the frame 1, the limiting blocks 24 on the left side and the right side of the movable plate 21 slide along the outer portion of the limiting rod 25 at the same time until the limiting blocks 24 move to be attached to the inner surface of the limiting groove 4, the hydraulic assembly 23 just stops stretching at the moment, the two movable plates 21 also keep a static state at the moment, and at the moment, the width of the frame 1 is increased through stretching of the two movable plates 21.

widen structure 2 through the setting, can realize widening the function to the automation of frame 1, when widening, it mainly slides at frame 1 top through hydraulic assembly 23 drive fly leaf 21, and then make the width of frame 1 increase, make frame 1 widen the function from the area, traditional integral type frame design has been changed, no longer need artifical manual installation widen the board, make the operation of widening of frame very convenient, very light, the widening time has been shortened greatly, and make frame 1 possess two kinds of user states, can satisfy different user demands simultaneously, the flexibility when further having increased frame 1 and using, cooperation between gag lever post 25 and stopper 24 is used simultaneously, make possess good bearing capacity remain stable state all the time after fly leaf 21 expandes, can normally place the goods.

Second embodiment

Referring to fig. 5 and 6 in combination, a second embodiment of the present invention provides a foldable widening device for a low-bed semitrailer, based on a first embodiment of the present invention, wherein the second embodiment does not hinder the independent implementation of the technical solution of the first embodiment.

Specifically, the utility model provides another low flatbed semitrailer folding widening device which is characterized in that:

support structures 5 are arranged on the front side and the rear side of the frame 1, each support structure 5 comprises a fixed seat 51, the fixed seats 51 are fixedly mounted on the outer portion of the frame 1, supporting plates 52 are rotatably connected to the fixed seats 51, and the supporting plates 52 are located at the bottom of the movable plate 21.

The supporting plate 52 is in threaded connection with a positioning rotating member 53, the two sides of the bottom of the movable plate 21 are both provided with threaded grooves 6, and the top of the positioning rotating member 53 is in threaded connection with the inner portions of the threaded grooves 6.

The fixing seat 51 is rotatably connected with the supporting plate 52 to provide support for the supporting plate 52, so that the supporting plate 52 can rotate on the fixing seat 51, the supporting plate 52 is made of a reinforced steel plate and has good pressure bearing capacity, after the movable plate 21 is unfolded, the supporting plate 52 is rotated to move to the bottom of the movable plate 21 and keep close fit with the bottom of the movable plate 21, and further support is provided for the movable plate 21, so that the bearing capacity of the movable plate 21 is further improved, when a heavy object is placed on the supporting plate, the supporting plate is safer and more reliable, the thread groove 6 and the positioning rotating piece 53 are matched and arranged, and the supporting plate 52 can be stably connected with the movable plate 21 through threaded connection of the two parts, and the connection stability between the two parts is improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a foldable widening device of low flatbed semitrailer which characterized in that includes:

a frame;

2. The foldable widening device for a low-flatbed semitrailer according to claim 1, wherein two movable plates are respectively positioned at the front side and the rear side of the top of the frame, and the movable plates are rectangular metal long plates.

3. The foldable widening device for the low flatbed semitrailer of claim 1, wherein the front end and the rear end of the limiting rod are fixedly connected with the front side and the rear side of the inner surface of the limiting groove respectively, and the two connecting blocks are positioned on the left side and the right side of the bottom of the movable plate respectively.

4. The foldable widening device for low-flatbed semitrailers according to claim 1, wherein four of the movable grooves are in one group, and two groups of the movable grooves are respectively positioned on the front side and the rear side of the top of the frame.

5. The foldable widening device for the low-flatbed semitrailer according to claim 1, wherein two limiting blocks are respectively positioned at the left and right sides of the movable plate, and the outer portions of the limiting blocks are slidably connected with the inner portions of the limiting grooves.

6. The foldable widening device for the low-flatbed semitrailer of claim 1, wherein the frame is provided with support structures at the front and rear sides thereof, the support structures comprise fixing seats, the fixing seats are fixedly mounted at the outer portion of the frame, and support plates are rotatably connected to the fixing seats and located at the bottoms of the movable plates.

7. The foldable widening device for the low-flatbed semitrailer according to claim 6, wherein the supporting plate is in threaded connection with a positioning rotating member, threaded grooves are formed in both sides of the bottom of the movable plate, and the top of the positioning rotating member is in threaded connection with the inner portions of the threaded grooves.