Low flatbed semitrailer with anti-falling function

Abstract

The low flatbed semitrailer with the anti-falling function comprises a vehicle plate, two symmetrical first supporting columns and two symmetrical second supporting columns are fixedly connected to the upper end face of the vehicle plate respectively, mounting grooves are formed in the first supporting columns and the second supporting columns respectively, hydraulic telescopic columns are fixedly connected into the mounting grooves, and the hydraulic telescopic columns are fixedly connected with the lower ends of the first supporting columns and the second supporting columns respectively. The upper end faces of the two first supporting columns are jointly and movably connected with a first lifting plate, the upper end faces of the two second supporting columns are jointly and movably connected with a second lifting plate, the two sides of the vehicle plate can be protected and supported through the two first supporting columns and the two second supporting columns, and hydraulic telescopic columns are matched for use; the first lifting plate and the second lifting plate ascend and descend, shielding protection and falling prevention are conducted on goods according to the height of the goods, the two stabilizing columns can shield the goods, meanwhile, the limiting columns are assisted in moving, the stability of the first lifting plate and the second lifting plate in the ascending and descending process is guaranteed, and the use safety is improved.

Description

Technical Field

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

[0002] Low bed semi-trailers are usually used to transport heavy-duty automobiles and rail vehicles, mining machinery, forestry machinery, construction machinery and other heavy-loaded goods. Due to the low center of gravity of the vehicle body, it is relatively stable during use, which improves the safety of the low bed semi-trailer.

[0003] In the process of transporting goods, existing semi-trailers usually stack or arrange the goods neatly and fix them with bandages. During the transportation of the semi-trailer, the sudden acceleration and lane change of the vehicle will cause the bandages at different positions to be subjected to different pulling forces. In addition, due to the wind and sun on the road, the bandages are very likely to age and break, which will cause the transported goods to fall, posing a serious safety threat to surrounding buildings, pedestrians and vehicles, etc., resulting in low safety when in use. Utility Model Content

[0004] The utility model aims to provide a low-bed semi-trailer with an anti-falling function, which can provide protective support for both sides of the vehicle plate through two first supporting columns and two second supporting columns, and can cooperate with the use of hydraulic telescopic columns to make the first lifting plate and the second lifting plate be lifted and lowered, and can shield and protect the goods according to their height to prevent them from falling, and the two stabilizing columns can provide shielding and assist the movement of the limiting columns to ensure the stability of the first lifting plate and the second lifting plate during the lifting process, improve the safety of use, ensure the safety of the goods during the transportation of the semi-trailer, and prevent the problem of falling.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-bed semi-trailer with an anti-falling function, comprising a vehicle plate, wherein the upper end surface of the vehicle plate is respectively fixedly connected to two symmetrical first support columns and two symmetrical second support columns, the first support column and the second support column are each provided with an installation groove, a hydraulic telescopic column is fixedly connected in the installation groove, the upper end surfaces of the two first support columns are jointly movably connected to a first lifting plate, and the upper end surfaces of the two second support columns are jointly movably connected to a second lifting plate, the first lifting plate and the second lifting plate are respectively fixedly connected to the two hydraulic telescopic columns on the same side, the center positions below the first lifting plate and the second lifting plate are both fixedly connected to a connecting button, the lower end surface of the connecting button is fixedly connected to a stabilizing column, a limiting groove is provided in the stabilizing column, and the limiting column is slidably connected in the limiting groove.

[0006] The beneficial effects of the utility model are as follows: by using two first support columns, two second support columns and two stabilizing columns, both sides of the vehicle plate can be shielded to prevent the cargo from falling from the side, and at the same time, the lifting and lowering of the first lifting plate and the second lifting plate can be flexibly adjusted according to the loading height of the cargo, thereby improving the flexibility of using the first lifting plate and the second lifting plate;

[0007] In order to cover both sides of the vehicle plate to prevent the goods from falling;

[0008] As a further improvement of the above technical solution: one side opposite to the two first support columns is slidably connected to a first lifting rod, one side opposite to the two second support columns is slidably connected to a second lifting rod, one side opposite to the two first lifting rods is fixedly connected to a plurality of evenly distributed first railings, and one side opposite to the two second lifting rods is fixedly connected to a second railing.

[0009] The beneficial effects of this improvement are: through the coordinated use of the first lifting rod, the first railing, the second lifting rod and the second railing, both sides of the vehicle plate can be enclosed, and can be adjusted according to the loading height of the goods to prevent the goods from falling from the side, thereby improving the safety and stability of the goods transportation;

[0010] In order to achieve enclosure on both sides of the vehicle plate and improve the safety of cargo transportation;

[0011] As a further improvement of the above technical solution: a lifting ring is slidably connected to the outer wall of the stabilizing column, and two symmetrical connecting blocks are fixedly connected to the outer wall of the lifting ring. The two connecting blocks are fixedly connected to connecting rods on one side away from each other, wherein the two connecting rods on one side are fixedly connected to the first railing, and the two connecting rods on the other side are fixedly connected to the second railing.

[0012] The beneficial effects of this improvement are: by using the lifting ring and the connecting block, the corresponding connecting rods can be fixed to ensure the stability of the connecting rods, thereby fixing the plurality of first railings and the plurality of second railings through the connecting rods;

[0013] In order to fix the first railing and the second railing to ensure the stability of the railing during use;

[0014] As a further improvement of the above technical solution: a first sliding groove is provided on one side opposite to the two first support columns, a first slider is slidably connected in the first sliding groove, and the first slider is fixedly connected to the first lifting rod; a second sliding groove is provided on one side opposite to the two second support columns, a second slider is slidably connected in the second sliding groove, and the second slider is fixedly connected to the second lifting rod.

[0015] The beneficial effects of this improvement are as follows: by using the first slide groove and the second slider, the first lifting plate can be limited to ensure the stability of the lifting of the first lifting rod; by using the second slide groove and the second slider, the second lifting rod can be limited to ensure that the first lifting rod and the second lifting rod will not tilt or shake during the lifting process, thereby improving stability;

[0016] In order to limit the first lifting rod and the second lifting rod to ensure the stability of lifting;

[0017] As a further improvement of the above technical solution: a fixing rod is fixedly connected to one side of one of the first support columns, a positioning rod is hinged on the fixing rod, both ends of the positioning rod are fixedly connected to rotating blocks, and a baffle is fixedly connected between the two rotating blocks.

[0018] The beneficial effect of this improvement is that, by hinged connection of the fixing rod and the positioning rod, the two rotating blocks can rotate with the baffle plate, so as to facilitate loading the goods to be transported onto the vehicle plate, and at the same time, facilitate shielding the goods to prevent them from falling off from the rear of the vehicle;

[0019] In order to realize the rotation of the baffle plate and facilitate flexible movement;

[0020] As a further improvement of the above technical solution: a side of the baffle away from the rotating block is fixedly connected to a docking block, a side of one of the second support columns is fixedly connected to a positioning frame, and the positioning frame and the docking block are fixed by a latch.

[0021] The beneficial effects of this improvement are: by using the positioning frame, the docking block and the latch, the baffle can be fixed to prevent the baffle from swinging randomly during use, thereby causing harm to passing vehicles and pedestrians, and improving the stability of the baffle;

[0022] In order to fix the baffle;

[0023] As a further improvement of the above technical solution: a counterweight block is fixedly connected to the top end of the latch.

[0024] The beneficial effects of this improvement are: by using the counterweight block, the latch can be stably connected to the docking block and the positioning frame, preventing the latch from shaking and loosening during the driving of the vehicle, thereby ensuring the stability of the latch;

[0025] In order to achieve the counterweight of the bolt, the stability of the bolt is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 An isometric structural schematic diagram provided for the utility model;

[0027] Figure 2A top view provided for the utility model;

[0028] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0029] Figure 4 The utility model provides Figure 3 The enlarged view of point A in the middle;

[0030] Figure 5 The utility model provides Figure 2 A three-dimensional cross-section view at the middle BB;

[0031] Figure 6 The utility model provides Figure 5 The enlarged view of point B in the middle;

[0032] Figure 7 The utility model provides Figure 5 Enlarged view of point C in the middle.

[0033] In the figure, 1, vehicle plate; 11, first support column; 12, second support column; 13, mounting groove; 14, hydraulic telescopic column; 15, first lifting plate; 16, second lifting plate; 17, connecting button; 18, stabilizing column; 19, limiting groove; 20, limiting column; 31, first lifting rod; 32, second lifting rod; 33, first railing; 34, second railing; 41, lifting ring; 42, connecting block; 43, connecting rod; 51, first slide groove; 52, first slider; 53, second slide groove; 54, second slider; 61, fixing rod; 62, positioning rod; 63, rotating block; 64, baffle; 71, docking block; 72, positioning frame; 73, latch; 81, counterweight block. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figures 1 to 7As shown, a low-bed semi-trailer with an anti-falling function provided by an embodiment of the utility model comprises a vehicle plate 1, wherein the upper end surface of the vehicle plate 1 is respectively fixedly connected with two symmetrical first support columns 11 and two symmetrical second support columns 12, and cargo can be shielded by using the two first support columns 11 and the two second support columns 12, and mounting grooves 13 are provided in the first support columns 11 and the second support columns 12, and hydraulic telescopic columns 14 are fixedly connected in the mounting grooves 13, and the upper end surfaces of the two first support columns 11 are jointly movably connected with a first lifting plate 15, and the upper end surfaces of the two second support columns 12 are jointly movably connected with a second lifting plate 16, and the hydraulic telescopic columns 14 corresponding to the first support columns 11 and the second support columns 12 can be freely extended and retracted in cooperation with each other, Adjust the use height of the first lifting plate 15 and the second lifting plate 16. The first lifting plate 15 and the second lifting plate 16 are respectively fixedly connected to the two hydraulic telescopic columns 14 on the same side. The center positions below the first lifting plate 15 and the second lifting plate 16 are fixedly connected with a connecting button 17. The lower end surface of the connecting button 17 is fixedly connected with a stabilizing column 18. A limiting groove 19 is provided in the stabilizing column 18. A limiting column 20 is slidably connected in the limiting groove 19. The two stabilizing columns 18 and the two limiting columns 20 can limit the corresponding first lifting plate 15 and the second lifting plate 16 to ensure that the lifting plates are sufficiently stable during the lifting process. The opposite sides of the two first support columns 11 are slidably connected with the first lifting rod 31, and the opposite sides of the two second support columns 12 are slidably connected with the first lifting rod 31. The second lifting rod 32 is movably connected to the vehicle plate 18, and a plurality of evenly distributed first railings 33 are fixedly connected to the opposite side of the two first lifting rods 31, and a second railing 34 is fixedly connected to the opposite side of the two second lifting rods 32. The plurality of first railings 33 and the plurality of second railings 34 can supplement the gap positions on both sides of the vehicle plate 1, increase the shielding area, and improve safety. A lifting ring 41 is slidably connected to the outer wall of the stabilizing column 18, and two symmetrical connecting blocks 42 are fixedly connected to the outer wall of the lifting ring 41. The two connecting blocks 42 are fixedly connected to the sides away from each other with connecting rods 43, wherein the two connecting rods 43 on one side are fixedly connected to the first railing 33, and the two connecting rods 43 on the other side are fixedly connected to the second railing 34. Through the two lifting rings 41 and the four connecting rods The use of the connecting rod 43 can fix the corresponding first railing 33 and the second railing 34, ensure the stability of the first railing 33 and the second railing 34, and improve the stability of use. The first sliding groove 51 is provided on the opposite side of the two first support columns 11, and the first slider 52 is slidably connected in the first sliding groove 51. The first slider 52 is fixedly connected to the first lifting rod 31. The second sliding groove 53 is provided on the opposite side of the two second support columns 12, and the second slider 54 is slidably connected in the second sliding groove 53. The second slider 54 is fixedly connected to the second lifting rod 32. The use of the two first sliding grooves 51 and the two first sliders 52 can ensure that the first lifting rod 31 is more stable during the lifting process.The coordinated use of the two second slide slots 53 and the two second slide blocks 54 can limit the position of the corresponding second lifting rods 32. A fixing rod 61 is fixedly connected to one side of one of the first support columns 11. A positioning rod 62 is hinged on the fixing rod 61. Both ends of the positioning rod 62 are fixedly connected to a rotating block 63. A baffle 64 is fixedly connected between the two rotating blocks 63. The baffle 64 can block the rear end of the vehicle to prevent the cargo from falling from the rear. A docking block 71 is fixedly connected to the side of the baffle 64 away from the rotating block 63. A positioning frame 72 is fixedly connected to one side of one of the second support columns 12. The positioning frame 72 and the docking block 71 are fixed by a latch 73. The docking block 71 and the positioning frame 72 can be fixed by the latch 73 to ensure the stability of the baffle 64 and prevent it from swinging at will. A counterweight block 81 is fixedly connected to the top of the latch 73. The counterweight block 81 can make the latch 73 more stable and prevent the problem of bumping and falling off.

[0036] The working principle and use process of the utility model are as follows: when in use, first, the goods to be transported are placed on the vehicle plate 1, and then the first lifting plate 15 and the second lifting plate 16 can be raised according to the height of the goods loading, thereby raising the corresponding multiple first railings 33 and multiple second railings 34. During the raising of the first railings 33 and the second railings 34, the two lifting rings 41 slide on the outer wall of the stabilizing column 18, and the limiting column 20 slides inside the stabilizing column 18 to stabilize the corresponding first lifting plate 15 and the second lifting plate 16, thereby ensuring the stability of the multiple first railings 33 and the multiple second railings 34, so as to achieve shielding and protection of the goods to prevent the risk of falling from the side, and through the rotation of the baffle plate 64, it moves to the position of one of the second support columns 12, so that the docking block 71 docks with the positioning first, and finally fixes it through the pin 73 to ensure the stability of the baffle plate 64, thereby realizing the anti-falling use process of the entire low-bed semi-trailer.

[0037] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A low-bed semi-trailer with an anti-falling function, comprising a vehicle plate (1), characterized in that: The upper end surface of the vehicle plate (1) is respectively fixedly connected with two symmetrical first support columns (11) and two symmetrical second support columns (12); the first support columns (11) and the second support columns (12) are both provided with mounting grooves (13); and the mounting grooves (13) are fixedly connected with hydraulic telescopic columns (14); The upper end surfaces of the two first support columns (11) are movably connected to a first lifting plate (15), and the upper end surfaces of the two second support columns (12) are movably connected to a second lifting plate (16). The first lifting plate (15) and the second lifting plate (16) are respectively fixedly connected to the two hydraulic telescopic columns (14) on the same side. A connecting button (17) is fixedly connected at the center position below the first lifting plate (15) and the second lifting plate (16). A stabilizing column (18) is fixedly connected to the lower end surface of the connecting button (17). A limiting groove (19) is provided in the stabilizing column (18), and a limiting column (20) is slidably connected in the limiting groove (19).

2. The low-bed semi-trailer with anti-falling function according to claim 1, characterized in that: The opposite sides of the two first support columns (11) are slidably connected to a first lifting rod (31), the opposite sides of the two second support columns (12) are slidably connected to a second lifting rod (32), the opposite sides of the two first lifting rods (31) are fixedly connected to a plurality of evenly distributed first handrails (33), and the opposite sides of the two second lifting rods (32) are fixedly connected to a second handrail (34).

3. The low-bed semi-trailer with anti-falling function according to claim 2, characterized in that: A lifting ring (41) is slidably connected to the outer wall of the stabilizing column (18), and two symmetrical connecting blocks (42) are fixedly connected to the outer wall of the lifting ring (41). The two connecting blocks (42) are fixedly connected to connecting rods (43) on the sides away from each other, wherein the two connecting rods (43) on one side are fixedly connected to the first railing (33), and the two connecting rods (43) on the other side are fixedly connected to the second railing (34).

4. The low-bed semi-trailer with anti-falling function according to claim 2, characterized in that: A first slide groove (51) is provided on one side opposite to the two first support columns (11), a first slider (52) is slidably connected in the first slide groove (51), and the first slider (52) is fixedly connected to the first lifting rod (31); a second slide groove (53) is provided on one side opposite to the two second support columns (12), a second slider (54) is slidably connected in the second slide groove (53), and the second slider (54) is fixedly connected to the second lifting rod (32).

5. The low-bed semi-trailer with anti-falling function according to claim 1, characterized in that: A fixing rod (61) is fixedly connected to one side of one of the first support columns (11), a positioning rod (62) is hinged on the fixing rod (61), both ends of the positioning rod (62) are fixedly connected to rotating blocks (63), and a baffle (64) is fixedly connected between the two rotating blocks (63).

6. The low-bed semi-trailer with anti-falling function according to claim 5, characterized in that: A docking block (71) is fixedly connected to one side of the baffle (64) away from the rotating block (63), a positioning frame (72) is fixedly connected to one side of one of the second support columns (12), and the positioning frame (72) and the docking block (71) are fixed by a latch (73).

7. The low-bed semi-trailer with anti-falling function according to claim 6, characterized in that: A counterweight block (81) is fixedly connected to the top end of the latch pin (73).

Images