Low flatbed semitrailer with protection function

Abstract

The utility model discloses a low flatbed semitrailer with a protection function, which comprises a vehicle plate, two rotating shafts are movably inserted into the outer wall of the vehicle plate, the outer wall of each rotating shaft is provided with a protection mechanism, the bottom of the vehicle plate is fixedly connected with a mounting box, an adjusting mechanism is arranged between the mounting box and the vehicle plate, and the adjusting mechanism is connected with the mounting box. And each protection mechanism comprises a plurality of protection rods fixedly connected to the outer wall of the rotating shaft, the sides, away from the rotating shaft, of the multiple protection rods are jointly and fixedly connected with a connecting column, the adjusting mechanism comprises a motor fixedly connected to the inner side wall of the mounting box, and the tail end of an output shaft of the motor is fixedly connected with a second gear. The first chain wheel and the second chain wheel are driven by the first driving chain wheel and the second driving chain wheel to synchronously and reversely rotate, so that the two rotating shafts drive the protective rods and the connecting columns on the same side to generate angle change, the protective rods and the connecting columns are unfolded, the effect of fixing goods is achieved, and the risk that the goods fall off is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailers, in particular to a low-bed semi-trailer with a protective function. Background Art

[0002] Low bed semi-trailers are usually used to transport heavy vehicles (such as tractors, buses, special vehicles, etc.), rail vehicles, mining machinery, forestry machinery, construction machinery (such as excavators, bulldozers, loaders, pavers, cranes, etc.) and other heavy-duty goods. The lower the center of gravity, the better the stability and safety, and the stronger the ability to transport extra-high goods and pass overhead obstacles.

[0003] The existing low-bed semi-trailers are not provided with protective bars on both sides, which will lead to poor stability of the goods during transportation, and the goods are prone to falling during turning, causing the goods to collide with objects around the semi-trailer, thus easily causing collision accidents. Utility Model Content

[0004] The utility model aims to solve the problems in the background technology and proposes a low-bed semi-trailer with a protective function.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A low-bed semi-trailer with a protective function comprises a vehicle plate, two rotating shafts are movably inserted into the outer wall of the vehicle plate, and the outer wall of each rotating shaft is provided with a protective mechanism, a mounting box is fixedly connected to the bottom of the vehicle plate, and an adjustment mechanism is provided between the mounting box and the vehicle plate;

[0007] Each of the protection mechanisms comprises a plurality of protection rods fixedly connected to the outer wall of the rotating shaft, and a connecting column is fixedly connected to one side of the plurality of protection rods away from the rotating shaft;

[0008] The adjusting mechanism comprises a motor fixedly connected to the inner wall of the installation box, the end of the output shaft of the motor is fixedly connected to gear 2, the outer wall of gear 2 is meshed with a toothed plate that movably penetrates the outer wall of the installation box, the lower side of the toothed plate is movably inserted with a limiting rod fixedly connected to the bottom wall of the installation box, and the outer wall of the toothed plate is meshed with two gears 1, the centers of the two gears 1 are respectively fixedly connected with a driving sprocket 1 and a driving sprocket 2, the outer wall of each of the rotating shafts is respectively fixedly sleeved with sprocket 1 and sprocket 2, a chain 1 is commonly sleeved between the driving sprocket 1 and sprocket 1, and a chain 2 is commonly sleeved between the driving sprocket 2 and sprocket 2.

[0009] Preferably, a storage groove matching with a plurality of protection rods and a plurality of connecting columns is provided on the upper side of the vehicle plate.

[0010] Preferably, the end of the limiting rod is arranged in a T-shape.

[0011] Preferably, a plurality of heat dissipation holes are provided on the outer wall of the installation box.

[0012] Preferably, a plurality of moving wheels are installed at the bottom of the vehicle plate.

[0013] Preferably, the vehicle plate is made of high-strength material.

[0014] Compared with the existing technology, the advantages of this low-bed semi-trailer with protective function are:

[0015] 1. The driving sprockets 1 and 2 are driven to rotate synchronously in opposite directions, so that the two rotating shafts drive the multiple protection bars and connecting columns on the same side to change their angles and expand them, thereby achieving the effect of fixing the goods and effectively avoiding the risk of goods falling;

[0016] 2. The T-shaped end of the limit rod effectively prevents the tooth plate from detaching during movement, thus improving the stability of the device;

[0017] To summarize, the utility model drives sprocket one and sprocket two to rotate synchronously in opposite directions by driving sprocket one and sprocket two, so that the two rotating shafts drive multiple protective rods and connecting columns on the same side to change their angles and unfold them, thereby achieving the effect of fixing the cargo and effectively avoiding the risk of cargo falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of a low-bed semi-trailer with a protective function proposed by the utility model;

[0019] Figure 2 This is a bottom view of a low-bed semi-trailer with a protective function proposed by the utility model;

[0020] Figure 3 This is a structural schematic diagram of two protective mechanisms deployed in a low-bed semi-trailer with protective functions proposed by the utility model;

[0021] Figure 4 The utility model provides a structural cross-sectional view of the connection between the mounting box and the tooth plate in a low-bed semi-trailer with a protective function.

[0022] In the figure: 1 car plate, 2 storage slot, 3 rotating shaft, 4 protection rod, 5 connecting column, 6 installation box, 7 tooth plate, 8 gear 1, 9 driving sprocket 1, 10 driving sprocket 2, 11 sprocket 1, 12 sprocket 2, 13 chain 1, 14 chain 2, 15 moving wheel, 16 limiting rod, 17 motor, 18 gear 2, 19 heat dissipation hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-Figure 4 A low-bed semi-trailer with a protective function comprises a vehicle plate 1, wherein the vehicle plate is made of high-strength material to ensure the durability and load-bearing capacity of the vehicle plate 1.

[0025] A plurality of moving wheels 15 are installed at the bottom of the vehicle plate 1 , and a storage groove 2 matching with the plurality of protection rods 4 and the plurality of connecting columns 5 is opened on the upper side of the vehicle plate 1 , so as to achieve the effect of storing the protection rods 4 and the connecting columns 5 .

[0026] Two rotating shafts 3 are movably inserted into the outer wall of the vehicle plate 1. The outer wall of each rotating shaft 3 is provided with a protective mechanism. Each protective mechanism includes a plurality of protective rods 4 fixedly connected to the outer wall of the rotating shaft 3. The plurality of protective rods 4 are fixedly connected with a connecting column 5 on one side away from the rotating shaft 3, thereby avoiding the risk of cargo falling.

[0027] The bottom of the vehicle plate 1 is fixedly connected with a mounting box 6 , and the outer wall of the mounting box 6 is provided with a plurality of heat dissipation holes 19 , so as to achieve the effect of heat dissipation for the motor 17 .

[0028] An adjustment mechanism is provided between the installation box 6 and the vehicle plate 1, and the adjustment mechanism includes a motor 17 fixedly connected to the inner wall of the installation box 6, and the end of the output shaft of the motor 17 is fixedly connected to a gear 2 18, and the outer wall of the gear 2 18 is meshed with a toothed plate 7 that movably penetrates the outer wall of the installation box 6, and a limit rod 16 fixedly connected to the inner bottom wall of the installation box 6 is movably inserted at the lower side of the toothed plate 7, and the end of the limit rod 16 is T-shaped, which prevents the toothed plate 7 from detaching during movement and improves the stability of the device.

[0029] Two gears 18 are meshed with the outer wall of the toothed plate 7, and the centers of the two gears 18 are fixedly connected with a driving sprocket 19 and a driving sprocket 2 10 respectively. A sprocket 11 and a sprocket 2 12 are fixedly sleeved on the outer wall of each rotating shaft 3 respectively. A chain 13 is sleeved between the driving sprocket 19 and the sprocket 11, and a chain 2 14 is sleeved between the driving sprocket 2 10 and the sprocket 2 12. When in use, the motor 17 is started to drive the gear 2 18, and the toothed plate 7 meshed therewith is used to drive the two gears 18 to rotate. Through the chain 13 and the chain 2 14, the driving sprocket 19 and the driving sprocket 2 10 drive the sprocket 11 and the sprocket 2 12 to rotate synchronously in the opposite direction, so that the two rotating shafts 3 drive the multiple protective rods 4 and the connecting column 5 on the same side to change their angles and unfold them, thereby achieving the effect of fixing the goods and effectively avoiding the risk of goods falling.

[0030] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A low-bed semi-trailer with a protective function, comprising a vehicle plate (1), characterized in that: Two rotating shafts (3) are movably inserted into the outer wall of the vehicle plate (1), and the outer wall of each rotating shaft (3) is provided with a protective mechanism. The bottom of the vehicle plate (1) is fixedly connected with an installation box (6), and an adjustment mechanism is provided between the installation box (6) and the vehicle plate (1); Each of the protection mechanisms comprises a plurality of protection rods (4) fixedly connected to the outer wall of the rotating shaft (3), and a connecting column (5) is fixedly connected to one side of the plurality of protection rods (4) away from the rotating shaft (3); The adjustment mechanism comprises a motor (17) fixedly connected to the inner wall of the installation box (6), the output shaft end of the motor (17) is fixedly connected to a gear 2 (18), the outer wall of the gear 2 (18) is meshed with a toothed plate (7) movably penetrating the outer wall of the installation box (6), the lower side of the toothed plate (7) is movably inserted with a limit rod (16) fixedly connected to the inner bottom wall of the installation box (6), and the outer wall of the toothed plate (7) is meshed with two gears 1 (8), the centers of the two gears 1 (8) are respectively fixedly connected to a driving sprocket 1 (9) and a driving sprocket 2 (10), the outer wall of each of the rotating shafts (3) is respectively fixedly sleeved with a sprocket 1 (11) and a sprocket 2 (12), a chain 1 (13) is commonly sleeved between the driving sprocket 1 (9) and the sprocket 1 (11), and a chain 2 (14) is commonly sleeved between the driving sprocket 2 (10) and the sprocket 2 (12).

2. A low bed semi-trailer with protective function according to claim 1, characterized in that: The upper side of the vehicle plate (1) is provided with a storage groove (2) matching with a plurality of protection rods (4) and a plurality of connection columns (5).

3. The low bed semi-trailer with protective function according to claim 1, characterized in that: The end of the limiting rod (16) is arranged in a T shape.

4. The low-bed semi-trailer with protective function according to claim 1, characterized in that: The outer wall of the installation box (6) is provided with a plurality of heat dissipation holes (19).

5. The low bed semi-trailer with protective function according to claim 1, characterized in that: A plurality of moving wheels (15) are installed at the bottom of the vehicle plate (1).

6. The low bed semi-trailer with protective function according to claim 1, characterized in that: The vehicle plate (1) is made of high-strength material.

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