Gooseneck type semitrailer with movable and adjustable bottom plate
By designing a movable movable base plate and adjusting seat that can move up and down in the gooseneck semi-trailer, the problems of cargo damage caused by only one layer of the mid-sole plate in the prior art and uneven stress on the front and rear floors are solved, and the rational use of the cargo space and the stable loading of goods are achieved.
Patent Information
- Application Number
- CN202421973250.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The existing gooseneck semi-trailer has only one layer of the bottom plate, which causes the lower cargo to be easily damaged when the goods accumulate, and the front and rear bottom plates are unevenly subjected to stress and are not firmly fixed when loading long strips.
A gooseneck semi-trailer with movable base plate is designed. The height adjustment of the base plate is achieved by setting up and down on the main frame and adjusting seats and slots between the movable base plate and the fixed base plate.
By adjusting the height of the movable base plate, the car space can be maximized, adapted to different types of cargo loading needs, avoid damage to the underlying cargo by cargo stacking, and solved the problem of uneven stress on the front and rear bottom plates.
Smart Images

Figure CN222845396U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gooseneck semi-trailers, in particular to a gooseneck semi-trailer with an adjustable bottom plate. Background Art
[0002] The existing gooseneck semi-trailer has only one floor, and this type of floor gooseneck semi-trailer usually has the following disadvantages:
[0003] (1) When the cargo in the carriage is piled high, the upper cargo will squeeze the lower cargo, which may easily damage the lower cargo.
[0004] (2) Since the front and rear floors of the carriage are not on the same plane, when loading wires or long objects, there will be problems such as uneven force on the front and rear floors and the objects will not be firmly fixed. Utility Model Content
[0005] The utility model aims to provide a gooseneck semi-trailer with an adjustable bottom plate, which is used to solve the technical problems existing in the background technology.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0007] A gooseneck semitrailer with an adjustable bottom plate comprises a main frame and a gooseneck frame connected to the upper front end of the main frame, the gooseneck frame is provided with a front fixed bottom plate on the upper part, the main frame is provided with a rear fixed bottom plate on the upper part, the front fixed bottom plate is provided with two first lower side beams on the left and right sides, and the two first lower side beams are fixedly connected to the gooseneck frame and the front fixed bottom plate, the rear fixed bottom plate is provided with two second lower side beams on the left and right sides, and the two second lower side beams are fixedly connected to the main frame and the rear fixed bottom plate, the front end of the main frame is provided with two first center columns on the left and right sides, the middle part of the main frame is provided with two second center columns on the left and right sides, the rear end of the main frame is provided with two rear columns on the left and right sides, and a movable bottom plate that can move up and down is provided between the two first center columns and the two second center columns and between the two second center columns and the two rear columns.
[0008] Furthermore, a plurality of slots for engaging with the movable bottom plate are provided on the rear side of each of the first center pillars, the front side of each of the rear pillars, and the front and rear sides of each of the second center pillars.
[0009] Furthermore, each of the four corners of the movable bottom plate is provided with an adjustment seat, and each adjustment seat is engaged with a corresponding slot through at least one adjustment bolt.
[0010] Furthermore, the front end of the gooseneck frame is provided with two front columns on the left and right sides, and the lower ends of the two front columns are fixedly connected to the front ends of the two first lower side beams in a one-to-one correspondence, and the upper ends of the two front columns are fixedly connected together through an upper front cross beam.
[0011] Furthermore, the lower ends of the two rear upright posts are fixedly connected to the front ends of the two second lower side beams in a one-to-one correspondence, and the upper ends of the two rear upright posts are fixedly connected together via an upper rear cross beam.
[0012] Furthermore, two parallel and opposite upper side beams are arranged between the upper front cross beam and the upper rear cross beam, and each upper side beam is also fixedly connected to the upper ends of the first center pillar and the second center pillar arranged on the same side.
[0013] Furthermore, two flip-type supporting legs are respectively arranged on the left and right sides of the rear end of the gooseneck frame.
[0014] Furthermore, a plurality of running wheels are arranged on the lower side of the middle and rear part of the main frame.
[0015] Compared with the prior art, the advantages of the utility model are as follows: the compartment space can be rationally utilized and more types of goods can be loaded. For example, when the movable floor is adjusted to the lowest position, the compartment space will be maximized and larger goods can be loaded; when the movable floor is adjusted to be flush with the front fixed floor, longer strips of goods can be loaded, and problems such as uneven force on the front and rear floors and loose fixation of items can be avoided; when the movable floor is adjusted to any other height, a double-layer floor is formed, and smaller goods can be loaded, avoiding damage to the bottom cargo due to cargo stacking and unstable cargo stacking that is easy to tip over. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] 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 creative work.
[0017] Figure 1 It is a structural schematic diagram of a gooseneck semi-trailer with an adjustable bottom plate provided by an embodiment of the utility model;
[0018] Figure 2 yes Figure 1 A magnified view of point A in the embodiment;
[0019] Figure 3 yes Figure 1 A schematic diagram of the structure when the movable bottom plate in the embodiment moves to the middle of the first center pillar, the second center pillar and the rear pillar;
[0020] Figure 4 yes Figure 1 A schematic diagram of the structure of the embodiment when the movable bottom plate is moved to fit the fixed bottom plate;
[0021] Figure 5 yes Figure 1 A schematic diagram of the structure when the movable bottom plate in the embodiment moves to be flush with the front fixed bottom plate;
[0022] Figure 6 yes Figure 1 A schematic diagram of the structure when the movable bottom plate in the embodiment is moved to any height;
[0023] Explanation of the reference numerals in the accompanying drawings: 1. gooseneck frame; 2. main frame; 3. first lower side beam; 4. second lower side beam; 5. front fixed bottom plate; 6. rear fixed bottom plate; 7. front pillar; 8. first center pillar; 9. second center pillar; 10. rear pillar; 11. movable bottom plate; 12. upper front cross beam; 13. upper rear cross beam; 14. upper side beam; 15. slot; 16. adjustment seat; 17. adjustment bolt; 18. flip-up support leg; 19. running wheel; 20. cargo. DETAILED DESCRIPTION
[0024] 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 implementation methods.
[0025] See also Figure 1 , is an embodiment of a gooseneck type semi-trailer with an adjustable bottom plate provided by the utility model, comprising a main frame 2 and a gooseneck frame 1 connected to the upper part of the front end of the main frame 2, a front fixed bottom plate 5 is arranged on the upper part of the gooseneck frame 1, a rear fixed bottom plate 6 is arranged on the upper part of the main frame 2, two first lower side beams 3 are arranged on the left and right sides of the front fixed bottom plate 5, and the two first lower side beams 3 are fixedly connected to the gooseneck frame 1 and the front fixed bottom plate 5, and two second lower side beams are arranged on the left and right sides of the rear fixed bottom plate 6 Side beams 4, and two second lower side beams 4 are fixedly connected to the main frame 2 and the rear fixed bottom plate 6, the front end of the main frame 2 is provided with two first center columns 8 on the left and right sides, the middle part of the main frame 2 is provided with two second center columns 9 on the left and right sides, the rear end of the main frame 2 is provided with two rear columns 10 on the left and right sides, and movable bottom plates 11 that can move up and down are provided between the two first center columns 8 and the two second center columns 9 and between the two second center columns 9 and the two rear columns 10.
[0026] Specifically, in the above embodiment, a plurality of slots 15 for engaging with the movable bottom plate 11 are provided on the rear side of each first center pillar 8 , the front side of each rear pillar 10 , and the front and rear sides of each second center pillar 9 .
[0027] Specifically, in the above embodiment, each movable floor 11 is provided with an adjustment seat 16 at the four corners, and each adjustment seat 16 is engaged with a corresponding slot 15 through an adjustment bolt 17. When in use, the movable floor 11 can be moved to a suitable position according to actual needs, and the adjustment seats 16 at the four corners of the movable floor 11 can be fixed to the corresponding first center column 8 and second center column 9 or / and the second center column 9 and rear column 10 through the adjustment bolts 17, thereby realizing a reasonable arrangement of the interior space of the carriage.
[0028] Specifically, in the above embodiment, two front columns 7 are provided on the left and right sides of the front end of the gooseneck frame 1, and the lower ends of the two front columns 7 are fixedly connected to the front ends of the two first lower side beams 3 in a one-to-one correspondence, and the upper ends of the two front columns 7 are fixedly connected together through the upper front cross beam 12.
[0029] Specifically, in the above embodiment, the lower ends of the two rear pillars 10 are fixedly connected to the front ends of the two second bottom side beams 4 in a one-to-one correspondence, and the upper ends of the two rear pillars 10 are fixedly connected together via the upper rear cross beam 13 .
[0030] Specifically, in the above embodiment, two parallel upper side beams 14 are arranged between the upper front cross beam 12 and the upper rear cross beam 13, and each upper side beam 14 is fixedly connected to the upper ends of the first center pillar 8 and the second center pillar 9 arranged on the same side.
[0031] Specifically, in the above embodiment, two reversible legs 18 are provided on the left and right sides of the rear end of the gooseneck frame 1. The two reversible legs 18 can be folded away from the ground and can be put down to support on the ground. When the reversible legs 18 are folded, the gooseneck semi-trailer is in a transport state; when the reversible legs 18 are put down, the gooseneck semi-trailer is in a loading and unloading state.
[0032] Specifically, in the above embodiment, a plurality of running wheels 19 are provided at the lower side of the middle and rear part of the main frame 2. These plurality of running wheels 19 are used to support the entire gooseneck semitrailer.
[0033] The gooseneck semi-trailer with an adjustable bottom plate provided by the utility model can reasonably utilize the compartment space of the main frame by adjusting the position of the upper movable bottom plate 11 according to different cargo transfer requirements, thereby meeting the loading needs of different types of cargo. For example, when the upper movable bottom plate 11 is adjusted to fit the rear fixed bottom plate 6, the compartment space of the main frame can be maximized, and a larger volume of cargo 20 can be loaded, such as Figure 4 When the upper movable floor 11 is adjusted to be flush with the front fixed floor 5, longer strips of goods 20 can be loaded, such as Figure 5When the upper movable floor 11 is adjusted to any other height to form a double floor, a smaller volume of cargo 20 can be loaded, such as Figure 6 As shown, the damage to the bottom cargo caused by cargo stacking and the problem of unstable cargo stacking and easy to topple over are avoided.
[0034] 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 gooseneck semitrailer with an adjustable bottom plate, comprising a main frame (2) and a gooseneck frame (1) connected to the upper front end of the main frame (2), the gooseneck frame (1) is provided with a front fixed bottom plate (5) on the upper part, the main frame (2) is provided with a rear fixed bottom plate (6) on the upper part, the front fixed bottom plate (5) is provided with two first lower side beams (3) on the left and right sides, and the two first lower side beams (3) are fixedly connected to the gooseneck frame (1) and the front fixed bottom plate (5), the rear fixed bottom plate (6) is provided with two second lower side beams (4) on the left and right sides, and the two second lower side beams (4) are fixedly connected to the main frame (2) and the rear fixed bottom plate (6), characterized in that: Two first center columns (8) are arranged on the left and right sides of the front end of the main frame (2), two second center columns (9) are arranged on the left and right sides of the middle part of the main frame (2), and two rear columns (10) are arranged on the left and right sides of the rear end of the main frame (2). A movable bottom plate (11) that can move up and down is arranged between the two first center columns (8) and the two second center columns (9) and between the two second center columns (9) and the two rear columns (10).
2. The gooseneck semi-trailer with adjustable bottom plate according to claim 1 is characterized in that: A plurality of slots (15) for engaging with the movable bottom plate (11) are provided on the rear side of each of the first central pillars (8), the front side of each of the rear pillars (10), and the front and rear sides of each of the second central pillars (9).
3. The gooseneck semitrailer with adjustable bottom plate according to claim 1, characterized in that: An adjustment seat (16) is provided at each of the four corners of the movable bottom plate (11), and each adjustment seat (16) is engaged with a corresponding clamping slot (15) via at least one adjustment bolt (17).
4. The gooseneck semitrailer with adjustable bottom plate according to claim 1, characterized in that: The front end of the gooseneck frame (1) is provided with two front upright posts (7) on the left and right sides, and the lower ends of the two front upright posts (7) are fixedly connected to the front ends of the two first lower side beams (3) in a one-to-one correspondence, and the upper ends of the two front upright posts (7) are fixedly connected together via an upper front cross beam (12).
5. The gooseneck semitrailer with adjustable bottom plate according to claim 4, characterized in that: The lower ends of the two rear upright posts (10) are fixedly connected to the front ends of the two second lower side beams (4) in a one-to-one correspondence, and the upper ends of the two rear upright posts (10) are fixedly connected together via an upper rear cross beam (13).
6. The gooseneck semitrailer with adjustable bottom plate according to claim 5, characterized in that: Two parallel upper side beams (14) are arranged between the upper front cross beam (12) and the upper rear cross beam (13), and each upper side beam (14) is also fixedly connected to the upper ends of the first center column (8) and the second center column (9) arranged on the same side.
7. The gooseneck semitrailer with adjustable bottom plate according to claim 1, characterized in that: The rear end of the gooseneck frame (1) is provided with two flippable supporting legs (18) on the left and right sides.
8. The gooseneck semitrailer with adjustable bottom plate according to claim 1, characterized in that: A plurality of running wheels (19) are arranged on the lower side of the middle and rear part of the main frame (2).