CN213228873U

CN213228873U - Frame structure of low flat-bed semitrailer

Info

Publication number: CN213228873U
Application number: CN202022189962.XU
Authority: CN
Inventors: 冯兆林
Original assignee: Liangshan Hengtong Trailer Manufacturing Co ltd
Current assignee: Liangshan Hengtong Trailer Manufacturing Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-18
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a frame structure of low flat-bed semitrailer, first bottom plate including the level setting, the downside lateral wall of first bottom plate is equipped with a plurality of first gyro wheels, and a plurality of first gyro wheels are at the downside lateral wall evenly distributed of first bottom plate, the downside lateral wall of first bottom plate is equipped with telescopic support frame, the first baffle that two symmetries of upside lateral wall fixedly connected with of first bottom plate set up, the upside lateral wall of first bottom plate is equipped with the first connecting plate of vertical setting, and just first connecting plate is hollow structure, first connecting plate interpolation is equipped with the second connecting plate of vertical setting, equal fixedly connected with dead lever that the level set up on the lateral wall of first connecting plate and second connecting plate, and equal fixedly connected with link on a plurality of dead levers, be equipped with the mounting groove on the first bottom plate. The utility model discloses frame construction's regulation performance is good, and the user of being convenient for adjusts the use.

Description

Frame structure of low flat-bed semitrailer

Technical Field

The utility model relates to a semitrailer technical field especially relates to a frame structure of low flatbed semitrailer.

Background

A semitrailer is a trailer whose axle is positioned behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and which is equipped with a coupling device that transmits horizontal and vertical forces to the tractor. Semitrailers are generally three-axle semitrailers, and the types of semitrailers are divided into eleven-meter-bin-column semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like. The semitrailer is a heavy transport vehicle connected with the semitrailer head through the towing pin, and compared with a single-body automobile, the semitrailer can improve the comprehensive economic benefit of road transportation. The transportation efficiency can be improved by 30-50%, the cost is reduced by 30-40%, and the oil consumption is reduced by 20-30%. More importantly, the semi-trailer can also play a certain promoting role in the organization form of logistics in China, the semi-trailer is mainly used for transporting large-size and difficult-to-split large goods such as an excavator and the like, the fence type semi-trailer is suitable for pulling fresh and live goods such as vegetables, fruits and the like, the box type semi-trailer is suitable for pulling bulk goods and moisture-proof valuable goods, and the semi-trailer needs to be matched with a frame;

the existing frame structure is poor in adjusting performance and inconvenient for users to adjust and use, and therefore the frame structure of the low-flat-bed semitrailer is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the frame structure that exists among the prior art has relatively poor adjusting performance and is not convenient for the user to adjust the use, and the proposed frame structure of the low flat-bed semi-trailer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a frame structure of low flat-bed semitrailer, includes the first bottom plate that the level set up, the downside lateral wall of first bottom plate is equipped with a plurality of first gyro wheels, and a plurality of first gyro wheels are at the downside lateral wall evenly distributed of first bottom plate, the downside lateral wall of first bottom plate is equipped with telescopic support frame, the first baffle that two symmetries of upside lateral wall fixedly connected with of first bottom plate set up, the upside lateral wall of first bottom plate is equipped with the first connecting plate of vertical setting, and first connecting plate is hollow structure, first connecting plate interpolation is equipped with the second connecting plate of vertical setting, equal fixedly connected with dead lever that the level set up on the lateral wall of first connecting plate and second connecting plate, and equal fixedly connected with link on a plurality of dead levers.

Preferably, be equipped with the mounting groove on the first bottom plate, and the second bottom plate that has the level setting in the mounting groove, fixedly connected with slide on the second bottom plate, and the slide is connected with the diapire of mounting groove through flexible buffer beam.

Preferably, the side wall of the first connecting plate is provided with a driving motor, the output end of the driving motor penetrates through the side wall of the first connecting plate and is connected with a gear, and the side wall of the second connecting plate is provided with a tooth groove meshed with the gear.

Preferably, the lower side wall of the second bottom plate is provided with a groove, a second roller is arranged in the groove and is rotatably connected with the inner wall of the groove, and the side wall of the first bottom plate is provided with a first sliding locking block which is matched with the second bottom plate.

Preferably, the first baffle is of a hollow structure, a second baffle is arranged in the first baffle, the upper end of the second baffle penetrates through the side wall of the upper side of the first baffle, and a second sliding locking block matched with the second baffle is arranged on the side wall of the first baffle.

Preferably, flexible buffer beam includes the first buffer beam of level setting, and first buffer beam is hollow structure, first buffer beam interpolation is equipped with the second buffer beam, and the outside cover of flexible buffer beam is equipped with the spring.

Preferably, the inner walls of the two sides of the first baffle are provided with limiting plates, the side walls, opposite to the two limiting plates, of the two limiting plates are provided with limiting grooves, two limiting grooves are formed in the limiting grooves, sliding rods are fixedly connected to the two sides of the second baffle, and the ends, opposite to each other, of the two sliding rods are sleeved on the limiting rods.

The utility model discloses well beneficial effect as follows:

1. the second bottom plate can move in the mounting groove, so that the working range of the frame is adjusted at one time, the sliding plate and the telescopic buffer rod are matched with each other through the spring, the movement state of the second bottom plate is more stable, the second bottom plate can be locked through the first sliding locking block, the working state of the second bottom plate is guaranteed to be stable, the plurality of first rollers are matched with the plurality of second rollers, the frame can move conveniently, and the plurality of telescopic support frames are matched with each other to support the frame conveniently;

2. the driving motor can rotate by a gear, so that the second connecting plate is driven to move in the vertical direction, the fixing rod and the hanging ring are driven to move in the vertical direction, the hanging position of the frame is convenient to adjust, the second baffle can move in the first baffle, the placing range of the frame is adjusted, and the limiting rod is matched with the sliding rod to enable the motion state of the second baffle to be more stable.

Drawings

Fig. 1 is a schematic structural view of a frame structure of a low flatbed semitrailer provided by the utility model;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

fig. 4 is a schematic structural diagram at C in fig. 1.

In the figure: the device comprises a first base plate 1, a first roller 2, a telescopic support frame 3, a first baffle 4, a first connecting plate 5, a second connecting plate 6, a fixing rod 7, a hanging ring 8, a mounting groove 9, a second base plate 10, a sliding plate 11, a telescopic buffer rod 12, a driving motor 13, a gear 14, a groove 15, a second roller 16, a first sliding locking block 17, a second baffle 18, a second sliding locking block 19, a limiting plate 20, a limiting groove 21, a limiting rod 22 and a sliding rod 23.

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.

Referring to fig. 1-4, a frame structure of a low flat-bed semi-trailer comprises a first bottom plate 1 which is horizontally arranged, a plurality of first rollers 2 are arranged on the lower side wall of the first bottom plate 1, the plurality of first rollers 2 are uniformly distributed on the lower side wall of the first bottom plate 1, a telescopic support frame 3 is arranged on the lower side wall of the first bottom plate 1, two first baffle plates 4 which are symmetrically arranged are fixedly connected to the upper side wall of the first bottom plate 1, a first connecting plate 5 which is vertically arranged is arranged on the upper side wall of the first bottom plate 1, the first connecting plate 5 is of a hollow structure, a second connecting plate 6 which is vertically arranged is inserted into the first connecting plate 5, horizontally arranged fixing rods 7 are fixedly connected to the side walls of the first connecting plate 5 and the second connecting plate 6, hanging rings 8 are fixedly connected to the plurality of fixing rods 7, a mounting groove 9 is arranged on the first bottom plate 1, and a second bottom plate 10 which is horizontally arranged is arranged in, a sliding plate 11 is fixedly connected to the second bottom plate 10, the sliding plate 11 is connected with the bottom wall of the mounting groove 9 through a telescopic buffer rod 12, a driving motor 13 is arranged on the side wall of the first connecting plate 5, the output end of the driving motor 13 penetrates through the side wall of the first connecting plate 5 and is connected with a gear 14, a tooth socket which is meshed with the gear 14 is arranged on the side wall of the second connecting plate 6, the second bottom plate 10 can move in the mounting groove 9, so that the working range of the frame is adjusted at one time, the sliding plate 11 and the telescopic buffer rod 12 are matched through a spring, the moving state of the second bottom plate 10 is more stable, the first sliding lock block 17 can lock the second bottom plate 10, the stability of the working state of the second bottom plate 10 is ensured, the plurality of first rollers 2 are matched with the plurality of second rollers 16, the frame can move conveniently, and the plurality of telescopic support frames 3 are;

the lower side wall of the second bottom plate 10 is provided with a groove 15, a second roller 16 is arranged in the groove 15, the second roller 16 is rotatably connected with the inner wall of the groove 15, the side wall of the first bottom plate 1 is provided with a first sliding locking block 17 matched with the second bottom plate 10, the first baffle plate 4 is of a hollow structure, a second baffle plate 18 is arranged in the first baffle plate 4, the upper end of the second baffle plate 18 penetrates through the upper side wall of the first baffle plate 4, the side wall of the first baffle plate 4 is provided with a second sliding locking block 19 matched with the second baffle plate 18, the telescopic buffer rod 12 comprises a first buffer rod which is horizontally arranged, the first buffer rod is of a hollow structure, a second buffer rod is inserted in the first buffer rod, the outer part of the telescopic buffer rod 12 is sleeved with a spring, the inner walls on two sides of the first baffle plate 4 are provided with limiting plates 20, and the side walls on the opposite sides of the two limiting plates 20 are provided with, all be equipped with gag lever post 22 in two spacing grooves 21, the equal fixedly connected with slide bar 23 in both sides of second baffle 18, and two slide bar 23 one end that carry on the back mutually all establish on gag lever post 22, driving motor 13 can gear 14 rotate, thereby drive second connecting plate 6 and move in vertical direction, thereby drive dead lever 7 and link 8 and move in vertical direction, be convenient for adjust the carry position of frame, second baffle 18 can be at first baffle 4 internal motion, adjust the placing range of frame, gag lever post 22 and slide bar 23 cooperation, make the motion state of second baffle 18 more stable.

In the utility model, the second bottom plate 10 can move in the mounting groove 9, so as to adjust the working range of the frame once, the sliding plate 11 and the telescopic buffer rod 12 are matched with each other through the spring, so that the motion state of the second bottom plate 10 is more stable, the first sliding lock block 17 can lock the second bottom plate 10, the stability of the working state of the second bottom plate 10 is ensured, the plurality of first rollers 2 are matched with the second rollers 16, the frame motion is facilitated, and the plurality of telescopic support frames 3 are matched, so that the frame is supported;

driving motor 13 can rotate by gear 14 to drive second connecting plate 6 and move in vertical direction, thereby drive dead lever 7 and link 8 and move in vertical direction, be convenient for adjust the carry position of frame, second baffle 18 can move in first baffle 4, adjusts the scope of placing of frame, and gag lever post 22 and slide bar 23 cooperation make the motion state of second baffle 18 more stable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The frame structure of the low flat-bed semi-trailer comprises a first bottom plate (1) which is horizontally arranged, and is characterized in that a plurality of first rollers (2) are arranged on the lower side wall of the first bottom plate (1), the plurality of first rollers (2) are uniformly distributed on the lower side wall of the first bottom plate (1), a telescopic support frame (3) is arranged on the lower side wall of the first bottom plate (1), two first baffle plates (4) which are symmetrically arranged are fixedly connected to the upper side wall of the first bottom plate (1), a first connecting plate (5) which is vertically arranged is arranged on the upper side wall of the first bottom plate (1), the first connecting plate (5) is of a hollow structure, a second connecting plate (6) which is vertically arranged is inserted into the first connecting plate (5), and fixing rods (7) which are horizontally arranged are fixedly connected to the side walls of the first connecting plate (5) and the second connecting plate (6), and the plurality of fixing rods (7) are fixedly connected with hanging rings (8).

2. The frame structure of a low flatbed semi-trailer according to claim 1, characterized in that the first bottom plate (1) is provided with a mounting groove (9), a horizontally arranged second bottom plate (10) is arranged in the mounting groove (9), a sliding plate (11) is fixedly connected to the second bottom plate (10), and the sliding plate (11) is connected with the bottom wall of the mounting groove (9) through a telescopic buffer rod (12).

3. The frame structure of a low flatbed semi-trailer according to claim 1, characterized in that a driving motor (13) is arranged on the side wall of the first connecting plate (5), the output end of the driving motor (13) penetrates through the side wall of the first connecting plate (5) and is connected with a gear (14), and a tooth socket meshed with the gear (14) is arranged on the side wall of the second connecting plate (6).

4. The frame structure of a low flatbed semi-trailer according to claim 2, characterized in that the lower side wall of the second bottom plate (10) is provided with a groove (15), a second roller (16) is arranged in the groove (15), the second roller (16) is rotatably connected with the inner wall of the groove (15), and the side wall of the first bottom plate (1) is provided with a first sliding lock block (17) which is matched with the second bottom plate (10).

5. The frame structure of a low flatbed semitrailer according to claim 1, characterized in that the first baffle (4) is a hollow structure, a second baffle (18) is arranged in the first baffle (4), the upper end of the second baffle (18) penetrates through the upper side wall of the first baffle (4), and a second sliding locking block (19) matched with the second baffle (18) is arranged on the side wall of the first baffle (4).

6. The frame structure of a low flatbed semi-trailer according to claim 2, characterized in that the telescopic buffer rod (12) comprises a horizontally arranged first buffer rod, the first buffer rod is a hollow structure, a second buffer rod is inserted into the first buffer rod, and a spring is sleeved outside the telescopic buffer rod (12).

7. The frame structure of a low flatbed semi-trailer according to claim 5, characterized in that the inner walls of the two sides of the first baffle (4) are provided with limiting plates (20), the side walls of the two opposite sides of the two limiting plates (20) are provided with limiting grooves (21), two limiting grooves (21) are provided with limiting rods (22), the two sides of the second baffle (18) are fixedly connected with sliding rods (23), and the ends of the two sliding rods (23) opposite to each other are sleeved on the limiting rods (22).