CN214565256U

CN214565256U - Low flat-bed semi-trailer

Info

Publication number: CN214565256U
Application number: CN202121008526.6U
Authority: CN
Inventors: 吴德福
Original assignee: Shandong Yuncheng Juncheng Trailer Manufacturing Co ltd
Current assignee: Shandong Yuncheng Juncheng Trailer Manufacturing Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-02
Anticipated expiration: 2031-05-12

Abstract

The utility model belongs to the technical field of the semitrailer, especially, be a low flatbed semitrailer, to the fixed operation of low flatbed semitrailer in prior art to the vehicle when using loaded down with trivial details, waste time and energy, awkward problem, the scheme as follows now provides, it includes the automobile body, one side of automobile body is equipped with the cat ladder, and four wheel grooves have been seted up at the top of automobile body, and the front side of automobile body is seted up and is equipped with two through-holes, and sliding connection has same sliding frame in two through-holes, and the front side of automobile body rotates and installs first threaded rod, and sliding frame threaded connection is in the outside of first threaded rod, and the inboard of sliding frame is rotated and is installed two second threaded rods, and the top fixed mounting of sliding frame has the motor, the first gear of fixedly connected with on the output shaft of motor, and the outside fixed mounting that is located left second threaded rod has the second gear. The utility model has the advantages of reasonable design, easy operation, labour saving and time saving can accomplish the fixed to the vehicle, convenient to use fast.

Description

Low flat-bed semi-trailer

Technical Field

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

Background

Low flatbed semi-trailers are commonly used to transport heavy vehicles (e.g., tractors, buses, trucks, etc.), rail vehicles, mining machines, forestry machines, construction machines (e.g., excavators, dozers, loaders, pavers, cranes, etc.) and other heavy goods, the lower the center of gravity, the better the stability and safety, and the greater the ability to transport ultra-high goods and through overhead obstacles.

However, the low flatbed semi-trailer in the prior art is cumbersome in operation, time-consuming, labor-consuming and inconvenient to use when being used, so we propose a low flatbed semi-trailer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the low flat-bed semi-trailer in the prior art is complex to the fixed operation of vehicle when using, wastes time and energy, and inconvenient use's shortcoming, and the low flat-bed semi-trailer that provides.

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

a low flat-bed semi-trailer comprises a trailer body, wherein a ladder stand is arranged on one side of the trailer body, four wheel grooves are formed in the top of the trailer body, two through holes are formed in the front side of the trailer body, the same sliding frame is connected in the two through holes in a sliding mode, a first threaded rod is installed on the front side of the trailer body in a rotating mode, the sliding frame is connected to the outer side of the first threaded rod in a threaded mode, two second threaded rods are installed on the inner side of the sliding frame in a rotating mode, a motor is fixedly installed at the top of the sliding frame, a first gear is fixedly connected to an output shaft of the motor, a second gear is fixedly installed on the outer side of the second threaded rod on the left side and meshed with the first gear, belt pulleys are fixedly installed on the outer sides of the two second threaded rods, the same belt is connected to the two belt pulleys, two movable plates are installed on the outer sides of the two second threaded rods, one side, close to each other, of the two corresponding movable plates, is fixedly connected to a transverse plate, and one sides of the two corresponding moving plates, which are close to each other, in the four moving plates are fixedly provided with inserting plates.

Preferably, the front side fixed mounting of automobile body has two mounting panels, and first threaded rod rotates to be installed in the inboard of two mounting panels, is convenient for rotate the first threaded rod of installation.

Preferably, two limiting rods are fixedly mounted in the two through holes, and the sliding frame is sleeved on the outer sides of the four limiting rods in a sliding mode and plays a limiting role in the sliding frame.

Preferably, the front side of sliding frame is opened and is equipped with two connecting holes, and equal fixed mounting has two cardboards in two connecting holes, and two second threaded rods rotate to be installed in the inboard of corresponding cardboard, are convenient for rotate and install two second threaded rods.

Preferably, the outer side of the second threaded rod is provided with two groups of external threads, the thread pitches of the two groups of external threads are the same, and the screwing directions are opposite, so that the moving directions of the two corresponding moving plates are always opposite, and the moving amplitudes are always kept consistent.

Preferably, threaded holes are formed in one side of the moving plate, the moving plate is installed on the outer side of the second threaded rod through threaded holes, and four moving plates are convenient to install in a threaded mode.

In the utility model, the low flat-plate semitrailer can drive two second threaded rods to pass through the non-rotation by starting the motor and through the meshing transmission of the first gear and the second gear and the transmission connection of the two belt pulleys and the belt, and then can be connected with the threads of the corresponding movable plate through two groups of external threads arranged outside the second threaded rods, so that four plugboards can be inserted into the inner sides of the corresponding wheels, and then the first threaded rods can be rotated to drive the sliding frame to move downwards, so that the four plugboards can be driven to move downwards to enable the four plugboards to compress the four wheels, and the vehicle can be fixed;

the utility model has the advantages of reasonable design, easy operation, labour saving and time saving can accomplish the fixed to the vehicle, convenient to use fast.

Drawings

Fig. 1 is a schematic perspective view of a low flatbed semi-trailer according to the present invention;

fig. 2 is a schematic structural view of a cross section a-a of a partial structure of a low flatbed semitrailer provided by the utility model;

fig. 3 is a schematic perspective view of a sliding frame of a low flatbed semitrailer according to the present invention;

fig. 4 is a schematic structural diagram of a part B of the low flatbed semi-trailer provided by the utility model.

In the figure: 1. a vehicle body; 2. climbing a ladder; 3. a wheel groove; 4. a through hole; 5. a sliding frame; 6. a limiting rod; 7. mounting a plate; 8. a first threaded rod; 9. a second threaded rod; 10. a motor; 11. a first gear; 12. a second gear; 13. a belt pulley; 14. a belt; 15. moving the plate; 16. a transverse plate; 17. and (4) inserting plates.

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.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1-4, a low flatbed semitrailer comprises a semitrailer body 1, wherein a ladder 2 is arranged on one side of the semitrailer body 1, four wheel grooves 3 are formed in the top of the semitrailer body 1, two through holes 4 are formed in the front side of the semitrailer body 1, the same sliding frame 5 is slidably connected in the two through holes 4, a first threaded rod 8 is rotatably installed on the front side of the semitrailer body 1, the sliding frame 5 is in threaded connection with the outer side of the first threaded rod 8, two second threaded rods 9 are rotatably installed on the inner side of the sliding frame 5, a motor 10 is fixedly installed on the top of the sliding frame 5, a first gear 11 is fixedly connected to an output shaft of the motor 10, a second gear 12 is fixedly installed on the outer side of the second threaded rod 9 on the left side, the first gear 11 is meshed with the second gear 12, belt pulleys 13 are fixedly installed on the outer sides of the two second threaded rods 9, and the same belt 14 is movably connected to the two belt pulleys 13, two moving plates 15 are installed on the outer sides of the two second threaded rods 9 in a threaded mode, one side, close to each other, of each two corresponding moving plates 15 in the four moving plates 15 is fixedly connected with the same transverse plate 16, and one side, close to each other, of each two corresponding moving plates 15 in the four moving plates 15 is fixedly installed with an inserting plate 17.

As shown in fig. 1, in the present embodiment, two mounting plates 7 are fixedly mounted on the front side of the vehicle body 1, and the first threaded rod 8 is rotatably mounted on the inner sides of the two mounting plates 7, so that the first threaded rod 8 can be rotatably mounted.

As shown in fig. 2, in the present embodiment, two limiting rods 6 are fixedly installed in the two through holes 4, and the sliding frame 5 is slidably sleeved on the outer sides of the four limiting rods 6 to limit the sliding frame 5.

As can be known from fig. 2, in this embodiment, two connecting holes are opened to the front side of sliding frame 5, and equal fixed mounting has two cardboards in two connecting holes, and two second threaded rods 9 rotate and install the inboard at corresponding cardboard, are convenient for rotate two second threaded rods 9 of installation.

As shown in fig. 2, in the present embodiment, two sets of external threads are disposed on the outer side of the second threaded rod 9, and the two sets of external threads have the same pitch and opposite rotation directions, so that the moving directions of the two corresponding moving plates are always opposite, and the moving amplitudes are always kept the same.

As shown in fig. 2, in the present embodiment, threaded holes are formed in one side of the moving plate 15, and the moving plate 15 is threadedly mounted on the outer side of the second threaded rod 9 through the threaded holes, so as to facilitate the threaded mounting of the four moving plates 15.

The utility model discloses in, when using, the vehicle can go to the top of automobile body 1 through cat ladder 2, and make four wheels of vehicle travel to corresponding wheel groove 3 in, then can pass through starter motor 10, and through the meshing transmission of first gear 11 and second gear 12, and two belt pulleys 13 are connected with the transmission of belt 14, can drive two second threaded rods 9 through not rotating, immediately can be through two sets of external screw threads that the second threaded rod 9 outside set up and the threaded connection of corresponding movable plate 15, can make four picture peg 17 insert the inboard to corresponding wheel, then can rotate first threaded rod 8 and drive sliding frame 5 and remove downwards, can drive four picture peg 17 and remove downwards and make four picture peg 17 compress tightly four wheels, can fix the vehicle.

Claims

1. The utility model provides a low flat-bed semi-trailer, includes automobile body (1), its characterized in that, one side of automobile body (1) is equipped with cat ladder (2), four wheel grooves (3) have been seted up at the top of automobile body (1), the front side of automobile body (1) is opened and is equipped with two through-holes (4), and sliding connection has same sliding frame (5) in two through-holes (4), first threaded rod (8) are installed in the front side rotation of automobile body (1), sliding frame (5) threaded connection is in the outside of first threaded rod (8), two second threaded rods (9) are installed in the inboard rotation of sliding frame (5), the top fixed mounting of sliding frame (5) has motor (10), fixedly connected with first gear (11) on the output shaft of motor (10), the outside fixed mounting that is located left second threaded rod (9) has second gear (12), first gear (11) mesh mutually with second gear (12), the equal fixed mounting in the outside of two second threaded rods (9) has belt pulley (13), transmission connection has same belt (14) on two belt pulleys (13), two movable plates (15) are installed to the equal screw thread in the outside of two second threaded rods (9), the same diaphragm (16) of one side fixedly connected with that two movable plates (15) that correspond are close to each other in four movable plates (15), the equal fixed mounting in one side that two movable plates (15) that correspond are close to each other in four movable plates (15) has picture peg (17).

2. A low flatbed semi-trailer according to claim 1, characterised in that two mounting plates (7) are fixedly mounted on the front side of the body (1), and the first threaded rod (8) is rotatably mounted on the inner sides of the two mounting plates (7).

3. The low flatbed semitrailer of claim 1, characterized in that two limiting rods (6) are fixedly mounted in each of the two through holes (4), and the sliding frame (5) is slidably sleeved on the outer sides of the four limiting rods (6).

4. A low flatbed semi-trailer according to claim 1, characterised in that the front side of the sliding frame (5) is provided with two connecting holes, two clamping plates are fixedly mounted in both connecting holes, and two second threaded rods (9) are rotatably mounted on the inner sides of the corresponding clamping plates.

5. A semitrailer according to claim 1, characterised in that the second threaded rod (9) is provided, on its outside, with two sets of external threads having the same pitch and opposite directions of rotation.

6. The low flatbed semitrailer of claim 1, characterized in that one side of the moving plate (15) is provided with a threaded hole, and the moving plate (15) is mounted on the outer side of the second threaded rod (9) through the threaded hole.