Log transportation flat semitrailer with foldable stand columns

Abstract

The utility model discloses a log transportation flat semitrailer with foldable stand columns, which comprises a main frame and is characterized in that a plurality of platform bottom plates are arranged on the upper portion of the main frame at intervals, a containing groove is arranged between every two adjacent platform bottom plates, a pair of foldable stand columns is arranged in each containing groove, and the foldable stand columns are arranged on the upper portion of the main frame. The ends, away from each other, of each pair of foldable stand columns are hinged to the main frame, the ends, close to each other, of each pair of foldable stand columns abut against the containing groove freely, and each pair of foldable stand columns can be opened towards the left side and the right side of the main frame and vertically arranged outside the left end and the right end of the containing groove. And on the other hand, all the parts can be folded towards the middle of the main frame and horizontally hidden in the storage groove. The semi-trailer has the advantages that the semi-trailer has various forms, can be used as a log transportation semi-trailer and can also be used as a common flat plate semi-trailer; transportation media are more diversified, and long pieces such as containers, various logistics bulk cargos and logs can be transported.

Description

Technical Field

[0001] The utility model relates to the technical field of log transport semi-trailers, in particular to a log transport flatbed semi-trailer with foldable columns. Background Art

[0002] There are two common types of log transporters: one is a self-unloading type, in which the carriage is U-shaped, and the side panels and columns on both sides are generally not removable, and it cannot be used as a flatbed semi-trailer, which has limitations in transporting goods; the other is a pile-type, in which this type of log transporter does not have sufficient strength when transporting long items such as logs, and the piles are easy to fall off, posing a safety hazard. In addition, when the piles are disassembled and used as a flatbed truck, the piles need to be stored somewhere. Utility Model Content

[0003] The utility model aims to provide a log transport flatbed semi-trailer with foldable columns, which is used to solve the technical problems existing in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A log transport flatbed semi-trailer with foldable columns comprises a main frame and is characterized in that: a plurality of platform bottom plates are arranged at intervals on the upper part of the main frame, a storage groove is arranged between each two adjacent platform bottom plates, a pair of foldable columns are arranged inside each storage groove, and the ends of each pair of foldable columns away from each other are respectively hinged to the main frame, and the ends close to each other are respectively freely abutted against the storage grooves, and each pair of foldable columns has two states, one is that both can be opened to the left and right sides of the main frame and vertically arranged outside the left and right ends of the storage groove, and the other is that both can be closed to the middle of the main frame and horizontally hidden inside the storage groove.

[0006] Furthermore, a column rotation pin is respectively provided at one end of each pair of the foldable columns which is away from each other, and each pair of the foldable columns is respectively hinged to two corresponding adjacent platform bottom plates through the corresponding column rotation pins.

[0007] Furthermore, a column positioning latch is provided at one end of each pair of the foldable columns that is away from each other, and each pair of foldable columns is locked and connected to two corresponding adjacent platform bottom plates through the corresponding column positioning latches.

[0008] Furthermore, a latch seat plate is provided at both ends of the left and right sides of each of the two adjacent platform bottom plates facing each other, and a first positioning hole, a second positioning hole and a third positioning hole are provided on each latch seat plate, wherein the first positioning hole is used for hinged cooperation with the column rotating pin, and the second positioning hole and the third positioning hole are used for locking cooperation with the column positioning latch;

[0009] When each pair of foldable columns is vertically arranged outside the left and right ends of the storage slot, the ends of each pair of foldable columns that are away from each other are respectively hinged with the first positioning holes in the latch seat plates provided on the two adjacent platform bottom plates through the corresponding column rotation pins, and are respectively locked and matched with the third positioning holes in the latch seat plates provided on the two adjacent platform bottom plates through the corresponding column positioning latches;

[0010] When each pair of foldable columns is horizontally hidden inside the storage groove, the ends of each pair of foldable columns away from each other are hinged to the first positioning holes in the latch seat plates provided on the two adjacent platform bottom plates through the corresponding column rotation pins, and are locked and matched with the second positioning holes in the latch seat plates provided on the two adjacent platform bottom plates through the corresponding column positioning pins.

[0011] Furthermore, a flippable supporting leg is respectively arranged at the lower part of the left and right sides of the main frame near the front end.

[0012] Compared with the prior art, the advantages of the utility model are as follows:

[0013] 1. It has various forms and can be used as a log transport semi-trailer or as an ordinary flatbed semi-trailer.

[0014] 2. Compared with ordinary log semi-trailers / flatbed semi-trailers, the transport media is more diverse and can transport containers, various logistics bulk goods, and long items such as logs.

[0015] 3. The structure is simple and practical, without hydraulic or electrical systems. Compared with conventional log transporters, the columns are detachable and hidden. The columns can be disassembled or laid down and hidden when loading and unloading goods. The columns can be erected during transportation, which is convenient and quick to use.

[0016] 4. When used as a log truck, the columns can be erected when transporting long items, and the columns are not easy to fall off; when used as a flatbed semi-trailer, the columns can be hidden and there is no need to find another place to store them. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution in this embodiment, the following is a brief introduction to the drawings required for use in the description of the embodiment. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a specific embodiment of the log transport flatbed semi-trailer with foldable columns of the utility model when the columns are in a folded and hidden state;

[0019] Figure 2 It is a structural schematic diagram of a specific embodiment of the utility model of a log transport flatbed semi-trailer with foldable uprights when the uprights are in an upright state;

[0020] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 yes Figure 1 A cross-sectional schematic diagram of an embodiment of a log transport flatbed semi-trailer with a foldable center column when the column is in a folded and hidden state;

[0022] Figure 5 It is a cross-sectional schematic diagram of a specific embodiment of the utility model of a log transport flatbed semi-trailer with foldable uprights when the uprights are in an upright state;

[0023] Figure 6 yes Figure 4 Enlarged view of point B in the middle;

[0024] Figure 7 yes Figure 5 Enlarged view of point C in the middle;

[0025] Figure 8 yes Figure 4 Middle aa section view;

[0026] Fig. 9 yes Figure 5 Middle bb section view;

[0027] Fig.10 yes Figure 8 Enlarged view of point D in the middle;

[0028] Fig.11 yes Fig. 9 Enlarged view of point E in the middle;

[0029] Fig.12 It is a structural schematic diagram of a latch seat plate;

[0030] Explanation of the reference numerals: 1. Main frame; 2. Platform bottom plate; 3. Storage slot; 4. Foldable column; 5. Column rotation pin; 6. Column positioning pin; 7. Pin seat plate; 8. First positioning hole; 9. Second positioning hole; 10. Third positioning hole; 11. Flippable supporting leg. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the following further describes how the present invention is implemented in conjunction with the accompanying drawings and specific embodiments.

[0032] See also Figures 1 to 12 , which is a specific embodiment of a log transport flatbed semi-trailer with foldable columns provided by the utility model, comprises a main frame 1, a plurality of platform bottom plates 2 are arranged at intervals on the upper part of the main frame 1, a storage groove 3 is arranged between each two adjacent platform bottom plates 2, a pair of foldable columns 4 are arranged inside each storage groove 3, and the ends of each pair of foldable columns 4 away from each other are respectively hinged to the main frame 1, and the ends close to each other are respectively freely abutted against the storage groove 3, each pair of foldable columns 4 has two states, one is that both can be opened to the left and right sides of the main frame 1 and vertically arranged outside the left and right ends of the storage groove 3, and the other is that both can be closed to the middle of the main frame 1 and horizontally hidden inside the storage groove 3.

[0033] Specifically, in this specific embodiment, a column rotation pin 5 is respectively provided at one end of each pair of foldable columns 4 away from each other, and each pair of foldable columns 4 is hinged to the two corresponding adjacent platform bottom plates 2 through the corresponding column rotation pins 5.

[0034] Specifically, in this specific embodiment, a column positioning pin 6 is also provided at one end of each pair of foldable columns 4 away from each other, and each pair of foldable columns 4 is locked and connected with the corresponding two adjacent platform bottom plates 2 through the corresponding column positioning pins 6.

[0035] Specifically, in the present specific embodiment, a latch seat plate 7 is respectively provided at the left and right ends of the side facing each other of each two adjacent platform bottom plates 2, and a first positioning hole 8, a second positioning hole 9 and a third positioning hole 10 are provided on each latch seat plate 7, wherein the first positioning hole 8 is used for hinged cooperation with the column rotating pin 5, and the second positioning hole 9 and the third positioning hole 10 are used for locking cooperation with the column positioning latch 6.

[0036] Specifically, in this specific embodiment, when each pair of foldable columns 4 is vertically arranged outside the left and right ends of the storage slot 3, the ends of each pair of foldable columns 4 that are away from each other are respectively hinged through the corresponding column rotation pins 5 and the first positioning holes 8 in the latch seat plates 7 provided on the two adjacent platform bottom plates 2, and are respectively locked and matched through the corresponding column positioning latches 6 and the third positioning holes 10 in the latch seat plates 7 provided on the two adjacent platform bottom plates 2, see Fig. 9 and Fig.11 shown.

[0037] Specifically, in this specific embodiment, when each pair of foldable columns 4 is horizontally hidden inside the storage slot 3, the ends of each pair of foldable columns 4 that are away from each other are respectively hinged through the corresponding column rotation pins 5 and the first positioning holes 8 in the latch seat plates 7 provided on the two corresponding adjacent platform bottom plates 2, and are respectively locked and matched through the corresponding column positioning latches 6 and the second positioning holes 9 in the latch seat plates 7 provided on the two corresponding adjacent platform bottom plates 2, see Figure 8 and Fig.10 shown.

[0038] Specifically, in order to improve the stability of the vehicle during loading and unloading, a flip-type supporting leg 11 is respectively provided on the lower left and right sides of the main frame 1 near the front end; when the vehicle is in the loading and unloading state, the flip-type supporting leg 11 can be flipped downward and unfolded and supported on the ground; when the vehicle is in the transportation state, it can be flipped upward and attached to the bottom of the main frame 1.

[0039] The log transport flatbed semi-trailer with foldable columns provided by the utility model has the following two usage states:

[0040] The first use state, such as Figure 1 As shown, it is used as an ordinary flatbed semi-trailer. In this use state, each foldable column 4 will be folded and hidden in the storage groove 3 set between the two adjacent platform bottom plates 2 corresponding to each other.

[0041] The second usage state, such as Figure 2 As shown, it is used as a log transport flatbed semi-trailer. In this use state, each foldable column 4 is unfolded from the storage groove 3 set between the two adjacent platform bottom plates 2 corresponding to each other, and stands upright on the side of the main frame 1 to play a protective role.

[0042] Finally, it should be noted that the above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made using the contents of the present utility model specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present utility model.

Claims

1. A log transport flatbed semitrailer with foldable columns, comprising a main frame (1), characterized in that: A plurality of platform bottom plates (2) are arranged at intervals on the upper part of the main frame (1), a storage groove (3) is arranged between each two adjacent platform bottom plates (2), a pair of foldable columns (4) are arranged inside each storage groove (3), and the ends of each pair of foldable columns (4) that are away from each other are respectively hinged to the main frame (1), and the ends that are close to each other are respectively freely abutted against the storage groove (3), and each pair of foldable columns (4) has two states, one is that they can be opened to the left and right sides of the main frame (1) and vertically arranged outside the left and right ends of the storage groove (3), and the other is that they can be closed to the middle of the main frame (1) and horizontally hidden inside the storage groove (3).

2. The log transport flatbed semi-trailer with foldable columns according to claim 1 is characterized in that: A column rotation pin (5) is respectively provided at one end of each pair of the foldable columns (4) that is away from each other, and each pair of the foldable columns (4) is hinged to two corresponding adjacent platform bottom plates (2) via the corresponding column rotation pin (5).

3. The log transport flatbed semi-trailer with foldable columns according to claim 2 is characterized in that: A column positioning latch (6) is also provided at one end of each pair of the foldable columns (4) that is away from each other, and each pair of the foldable columns (4) is locked and connected to two corresponding adjacent platform bottom plates (2) via the corresponding column positioning latch (6).

4. The log transport flatbed semi-trailer with foldable columns according to claim 3 is characterized in that: A latch seat plate (7) is provided at both ends of the left and right sides of each of the two adjacent platform bottom plates (2) facing each other, and a first positioning hole (8), a second positioning hole (9) and a third positioning hole (10) are provided on each latch seat plate (7), wherein the first positioning hole (8) is used for hinged cooperation with the column rotating pin (5), and the second positioning hole (9) and the third positioning hole (10) are used for locking cooperation with the column positioning latch (6); When each pair of foldable columns (4) is vertically arranged outside the left and right ends of the storage slot (3), the ends of each pair of foldable columns (4) that are away from each other are respectively hinged to the first positioning holes (8) in the latch seat plates (7) provided on the two corresponding adjacent platform bottom plates (2) through the corresponding column rotation pins (5), and are respectively locked and matched with the third positioning holes (10) in the latch seat plates (7) provided on the two corresponding adjacent platform bottom plates (2) through the corresponding column positioning latches (6); When each pair of foldable columns (4) is horizontally concealed inside the storage groove (3), the ends of each pair of foldable columns (4) that are away from each other are respectively hingedly connected to the first positioning holes (8) in the latch seat plates (7) provided on the two adjacent platform bottom plates (2) through the corresponding column rotation pins (5), and are respectively locked and matched with the second positioning holes (9) in the latch seat plates (7) provided on the two adjacent platform bottom plates (2) through the corresponding column positioning latches (6).

5. The log transport flatbed semi-trailer with foldable columns according to any one of claims 1 to 4, characterized in that: A flippable supporting leg (11) is respectively arranged at the lower part of the left and right sides of the main frame (1) near the front end.

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