Semitrailer reinforced frame

Abstract

The utility model discloses a reinforced frame of a semitrailer, and relates to the technical field of semitrailer frames. The device comprises two cross beams and a plurality of longitudinal beams, the two cross beams are horizontally arranged, the longitudinal beams are jointly installed between the two cross beams, the longitudinal beams are distributed between the two cross beams at equal intervals, the cross beams and the longitudinal beams are both in an I shape, and the cross beams and the longitudinal beams are arranged in parallel. Corresponding mounting grooves are formed between the tops of the cross beams and the tops of the longitudinal beams, the interiors of the mounting grooves can be fixedly mounted through fixing bolts, a reinforcing groove is formed between every two adjacent longitudinal beams and cross beams, and a reinforcing piece is arranged in each reinforcing groove; the X-shaped reinforcing rods are arranged in the reinforcing grooves, multiple sets of contact points exist between every two adjacent longitudinal beams, the supporting stress effect is obvious, the strength of the reinforcing rods is improved through the transverse rods, and the strength and stability of the frame are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailer frames, in particular to a reinforced semi-trailer frame. Background Art

[0002] A semi-trailer is a trailer placed behind the center of gravity of a vehicle and equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. It is a heavy-duty transport vehicle connected to the front of a semi-trailer. The frame of a semi-trailer generally adopts a space frame structure welded together with longitudinal beams and integral through-type cross beams. It is the main structure for loading cargo and is composed of beams, welded I-beams, suspension and other components. Today's semi-trailer frames are often only welded together by cross beams and longitudinal beams, and the connection strength of the middle end is insufficient. It is easy to deform under long-term stress, affecting the stability of the connection. Utility Model Content

[0003] In order to solve the above problems, the purpose of the present invention is to provide a reinforced frame for a semi-trailer.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: a reinforced frame for a semi-trailer, comprising a crossbeam and a longitudinal beam, wherein two crossbeams are arranged horizontally, a longitudinal beam is installed between the two crossbeams, a plurality of longitudinal beams are arranged at equal intervals between the two crossbeams, both the crossbeams and the longitudinal beams are I-shaped, corresponding mounting grooves are provided between the tops of the crossbeams and the tops of the longitudinal beams, the mounting grooves can be fixed with fixing bolts, a reinforcement groove is formed between two adjacent longitudinal beams and the crossbeam, and a reinforcement member is provided in the reinforcement groove.

[0005] Preferably, the reinforcement member includes reinforcement rods, and the reinforcement rods are arranged in multiple groups between each group of reinforcement grooves and are distributed at equal intervals. The reinforcement rods in the same reinforcement groove are fixedly connected by cross bars. The reinforcement rods are arranged in an X shape as a whole, and the four ends of the reinforcement rods are fixedly set on adjacent longitudinal beams.

[0006] Preferably, the reinforcement includes a transverse plate, which is fixed in the reinforcement groove and is arranged in two pieces in an upper and lower order. Both ends of the transverse plate are fixed on adjacent longitudinal beams. A plurality of equally spaced reinforcement plates are fixed between two opposite transverse plates. The two adjacent reinforcement plates are arranged diagonally in a mirror image. The end of the reinforcement plate away from the transverse plate is fixed on the adjacent transverse beam. The reinforcement rod, the reinforcement plate, the transverse beam and the longitudinal beam are all fixed by welding.

[0007] Preferably, the reinforcement member includes a first curved plate, the first curved plate is arranged in the reinforcement groove, and the first curved plates located in each reinforcement groove are symmetrically distributed in the upper and lower directions, a fixing plate is fixed to the same end of a plurality of the first curved plates, the end of the fixing plate away from the first curved plate is fixed to the crossbeam, and a symmetrically arranged second curved plate is fixed to the middle ends of the two first curved plates, the two intersecting second curved plates are abutted against the adjacent first curved plates, and a buffer layer is filled between the two second curved plates, and fixing grooves are provided at the upper and lower ends of the fixing plate, and the fixing grooves are fixedly connected to the fixing plate by fixing bolts.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1. An X-shaped reinforcement bar is set in the reinforcement groove. There are multiple contact points between the two adjacent longitudinal beams, which has a significant support effect. The strength of the reinforcement bar is increased by the cross bar, further improving the strength and stability of the frame itself.

[0010] 2. The cross plate and reinforcement plate can take care of the connection between the cross beam and the longitudinal beam at the same time. The adjacent reinforcement plates connect and support the upper and lower cross plates at the same time, making the overall connection more integrated and the entire structure more stable, thereby achieving the effect of improving the frame connection strength.

[0011] 3. The first curved plate and the second curved plate are in contact with each other, which can buffer and transmit pressure when the longitudinal beam is under stress. At the same time, the fixed plate provided in combination greatly improves the stability between adjacent transverse plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic diagram of the first reinforcement and the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the reinforcing rod structure of the utility model.

[0015] Figure 3 This is a schematic diagram of the second reinforcement and overall structure of the utility model.

[0016] Figure 4 This is a schematic diagram of the reinforcing plate structure of the present utility model.

[0017] Figure 5 This is a schematic diagram of the third reinforcement member and the overall structure of the present invention.

[0018] Figure 6 This is a schematic structural diagram of the first curved plate and the second curved plate of the utility model.

[0019] In the figure: 1. cross beam; 11. longitudinal beam; 12. mounting groove; 13. reinforcement groove; 2. reinforcement rod; 21. cross bar; 3. cross plate; 31. reinforcement plate; 4. first curved plate; 41. second curved plate; 42. buffer layer; 43. fixing plate; 44. fixing groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1: Figure 1-2 As shown, the utility model provides a reinforced frame for a semi-trailer, comprising a crossbeam 1 and a longitudinal beam 11, wherein two crossbeams 1 are arranged horizontally, and a longitudinal beam 11 is installed between the two crossbeams 1. A plurality of longitudinal beams 11 are arranged between the two crossbeams 1 at equal intervals, and both the crossbeam 1 and the longitudinal beam 11 are I-shaped. A corresponding mounting groove 12 is provided between the top of the crossbeam 1 and the top of the longitudinal beam 11, and the mounting groove 12 can be fixedly installed by fixing bolts, and a reinforcement groove 13 is formed between two adjacent longitudinal beams 11 and the crossbeam 1, and a reinforcement member is provided in the reinforcement groove 13.

[0022] The reinforcement member includes a reinforcement rod 2, and the reinforcement rod 2 is arranged in multiple groups between each group of the reinforcement grooves 13 and is distributed at equal intervals. The reinforcement rods 2 in the same reinforcement groove 13 are fixedly connected by a cross bar 21. The reinforcement rod 2 is arranged in an X shape as a whole, and the four ends of the reinforcement rod 2 are fixedly set on the adjacent longitudinal beams 11.

[0023] By adopting the above technical solution, an X-shaped reinforcement rod 2 is set in the reinforcement groove 13 formed between adjacent longitudinal beams 11. There are multiple groups of contact points between two adjacent longitudinal beams 11, and the supporting force effect is obvious. The strength of the reinforcement rod 2 is improved by the cross bar 21, which further improves the strength and stability of the frame itself.

[0024] Example 2: Figure 3-4As shown, the utility model provides a reinforced frame for a semi-trailer, comprising a crossbeam 1 and a longitudinal beam 11, wherein two crossbeams 1 are arranged horizontally, and a longitudinal beam 11 is installed between the two crossbeams 1. A plurality of longitudinal beams 11 are arranged between the two crossbeams 1 at equal intervals, and both the crossbeam 1 and the longitudinal beam 11 are I-shaped. A corresponding mounting groove 12 is provided between the top of the crossbeam 1 and the top of the longitudinal beam 11, and the mounting groove 12 can be fixedly installed by fixing bolts, and a reinforcement groove 13 is formed between two adjacent longitudinal beams 11 and the crossbeam 1, and a reinforcement member is provided in the reinforcement groove 13.

[0025] The reinforcement member includes a transverse plate 3, which is fixedly arranged in the reinforcement groove 13 and is arranged in two numbers up and down. The two ends of the transverse plate 3 are fixedly arranged on the adjacent longitudinal beams 11. A plurality of equally spaced reinforcement plates 31 are fixed between the two opposite transverse plates 3. The two adjacent reinforcement plates 31 are arranged diagonally in a mirror image. The end of the reinforcement plate 31 away from the transverse plate 3 is fixedly arranged on the adjacent transverse beam 1. The reinforcement rod 2, the reinforcement plate 31, the transverse beam 1 and the longitudinal beam 11 are all fixed by welding.

[0026] By adopting the above technical solution, the provided transverse plate 3 and reinforcing plate 31 can simultaneously take care of the connection between the transverse beam 1 and the longitudinal beam 11. The adjacent reinforcing plates 31 simultaneously connect and support the transverse plates 3 on the upper and lower sides, making the overall connection more integrated and the entire structure more stable, thereby achieving the effect of improving the frame connection strength.

[0027] Example 3: Figure 5-6 As shown, the utility model provides a reinforced frame for a semi-trailer, comprising a crossbeam 1 and a longitudinal beam 11, wherein two crossbeams 1 are arranged horizontally, and a longitudinal beam 11 is installed between the two crossbeams 1. A plurality of longitudinal beams 11 are arranged between the two crossbeams 1 at equal intervals, and both the crossbeam 1 and the longitudinal beam 11 are I-shaped. A corresponding mounting groove 12 is provided between the top of the crossbeam 1 and the top of the longitudinal beam 11, and the mounting groove 12 can be fixedly installed by fixing bolts, and a reinforcement groove 13 is formed between two adjacent longitudinal beams 11 and the crossbeam 1, and a reinforcement member is provided in the reinforcement groove 13.

[0028] The reinforcement includes a first curved plate 4, which is arranged in a reinforcement groove 13 and the first curved plates 4 located in each reinforcement groove 13 are symmetrically distributed in an upper and lower manner. A fixing plate 43 is fixed to the same end of a plurality of the first curved plates 4, and the fixing plate 43 is fixed to the crossbeam 1 at one end away from the first curved plate 4. A symmetrically arranged second curved plate 41 is fixed to the middle ends of the two first curved plates 4. The two intersecting second curved plates 41 are abutted against the adjacent first curved plates 4 and a buffer layer 42 is filled between the two second curved plates 41. A fixing groove 44 is provided at the upper and lower ends of the fixing plate 43, and the fixing groove 44 is fixedly connected to the fixing plate 43 by fixing bolts.

[0029] By adopting the above technical solution, the first curved plate 4 and the second curved plate 41 are in conflict with each other, and a buffer layer 42 is provided in the second curved plate 41, which can buffer and transmit pressure when the longitudinal beam 11 is subjected to force. At the same time, the fixed plate 43 provided in combination greatly improves the stability between adjacent transverse plates. The material of the buffer layer 42 can be a material with a buffering effect such as spring, rubber or polyurethane.

[0030] Working principle: When in use, the contact points of the two I-shaped cross beams 1 and multiple groups of longitudinal beams 11 are fixedly connected by fixing bolts, so that the outer frame connection of the frame is stable. At the same time, multiple groups of reinforcement grooves 13 are set, and the reinforcement members set in the reinforcement grooves 13 can focus on the strength in different directions, so that when the frame is used subsequently, the stability of the connection between the cross beams 1 and the longitudinal beams 11 and the overall strength can be increased, ensuring that after long-term use, the deformation effect is reduced and the service life is effectively increased.

[0031] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A reinforced semitrailer frame, comprising a crossbeam (1) and a longitudinal beam (11), characterized in that: The number of the cross beams (1) is two and they are arranged horizontally. A longitudinal beam (11) is installed between the two cross beams (1). The number of the longitudinal beams (11) is multiple and they are evenly spaced and arranged between the two cross beams (1). The cross beams (1) and the longitudinal beams (11) are both I-shaped. A corresponding mounting groove (12) is provided between the top of the cross beam (1) and the top of the longitudinal beam (11). The mounting groove (12) can be fixedly installed by a fixing bolt. A reinforcement groove (13) is formed between two adjacent longitudinal beams (11) and the cross beam (1). A reinforcement member is provided in the reinforcement groove (13).

2. A semi-trailer reinforced frame according to claim 1, characterized in that: The reinforcement member comprises a reinforcement rod (2), wherein a plurality of reinforcement rods (2) are arranged between each group of reinforcement grooves (13) and are distributed at equal intervals, and the reinforcement rods (2) in the same reinforcement groove (13) are fixedly connected by a cross bar (21), and the reinforcement rods (2) are arranged in an X-shape as a whole, and the four ends of the reinforcement rods (2) are fixedly arranged on adjacent longitudinal beams (11).

3. A semi-trailer reinforced frame according to claim 2, characterized in that: The reinforcement member comprises a transverse plate (3), wherein the transverse plates (3) are fixedly arranged in the reinforcement groove (13) and are arranged in two numbers in an upper and lower direction. Both ends of the transverse plate (3) are fixedly arranged on adjacent longitudinal beams (11). A plurality of reinforcement plates (31) distributed at equal intervals are fixedly arranged between two opposite transverse plates (3). The adjacent reinforcement plates (31) are arranged diagonally in a mirror image. The end of the reinforcement plate (31) away from the transverse plate (3) is fixedly arranged on the adjacent transverse beam (1).

4. A semi-trailer reinforced frame as claimed in claim 3, characterized in that: The reinforcement member comprises a first curved plate (4), the first curved plate (4) being arranged in a reinforcement groove (13), and the first curved plates (4) located in each reinforcement groove (13) are symmetrically arranged and distributed in an upper and lower manner, a fixed plate (43) is fixedly provided at the same end of a plurality of the first curved plates (4), an end of the fixed plate (43) away from the first curved plate (4) is fixedly provided on the crossbeam (1), and a symmetrically arranged second curved plate (41) is fixedly provided at the middle ends of the two first curved plates (4), the two intersecting second curved plates (41) are abutted against the adjacent first curved plates (4), and a buffer layer (42) is filled between the two second curved plates (41).

5. A semi-trailer reinforced frame according to claim 4, characterized in that: The reinforcing rod (2), the reinforcing plate (31), the crossbeam (1) and the longitudinal beam (11) are all fixed by welding.

6. A semi-trailer reinforced frame according to claim 5, characterized in that: The upper and lower ends of the fixing plate (43) are provided with fixing grooves (44), and the fixing grooves (44) are fixedly connected to the fixing plate (43) via fixing bolts.

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