Lightweight semitrailer

Abstract

The utility model discloses a light-weight semitrailer which comprises a frame body, and the frame body is provided with a high-order plane and a low-order plane which are integrally connected front and back through a vertical connecting face. The middle of the high-order plane, the middle of the vertical connecting face and the middle of the low-order plane jointly form a hollowed-out part penetrating through the frame body, and supporting parts are formed on the left side and the right side of the hollowed-out part. The lower portions of the two supporting parts are each connected with a longitudinal beam, and the two longitudinal beams close to the vertical connecting face are each connected with a telescopic column arranged in the vertical direction. Wheels are connected to the longitudinal beams close to the tail of the low-order plane in a suspended mode, and a plurality of cross beams are connected between the two longitudinal beams; and a traction pin is embedded in the bottom surface of the high-order plane. According to the light-weight semitrailer, the self weight is reduced through structural optimization, the fuel efficiency and the bearing capacity are improved, the stability and the adaptability are enhanced, traction connection is simplified, the safety is improved, and an efficient and economical choice is provided for the logistics industry.

Description

TECHNICAL FIELD

[0001] The utility model relates to a semitrailer, especially a lightweight semitrailer. BACKGROUND

[0002] With the rapid development of the logistics industry, as an important transport tool, the performance and fuel economy of the semitrailer are increasingly valued. The traditional semitrailer frame structure is heavy, which not only increases the fuel consumption of the vehicle, but also increases the wear and tear of the road. Therefore, the design of a lightweight semitrailer has become an inevitable trend in the industry.

[0003] In the past technology, the design of a lightweight semitrailer is mainly achieved by using lightweight materials and optimizing the structure, but these methods are often limited by cost, material and process. Therefore, a lightweight semitrailer is needed, which realizes the structural optimization of the frame body through a unique design, significantly reduces the weight of the frame while ensuring the carrying capacity, improves fuel efficiency and reduces operating costs. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a lightweight semitrailer.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme of a lightweight semitrailer, which comprises a frame body, the frame body has a high-order plane and a low-order plane which are integrally connected through a vertical connecting surface;

[0006] The middle part of the high-order plane, the vertical connecting surface and the low-order plane together form a hollow part which penetrates through the frame body, and the left and right sides of the hollow part form support parts;

[0007] Two longitudinal beams are connected below each of the two support parts, two telescopic columns arranged in the vertical direction are respectively connected to the two longitudinal beams near the vertical connecting surface; a wheel is connected to the longitudinal beam near the tail of the low-order plane through suspension; and a plurality of cross beams are connected between the two longitudinal beams;

[0008] The bottom surface of the high-order plane is embedded with a towing pin.

[0009] Further, the area of the high-order plane is smaller than the area of the low-order plane; and the height of the top surface of the high-order plane is higher than that of the low-order plane.

[0010] Further, the hollow part of the high-order plane is embedded with a towing plate, and the towing pin is protruding downward at the center of the towing plate.

[0011] Further, the plurality of cross beams are evenly distributed between the two longitudinal beams.

[0012] Further, a reinforcing rib is arranged between the longitudinal beam and the respective support part.

[0013] Further, the longitudinal beams near the tail of the low-level plane are connected with two groups of front and rear wheels through suspension.

[0014] The patent discloses a lightweight semitrailer, which significantly reduces the vehicle weight through its ingenious hollow design of the frame body and structural optimization, thereby improving fuel efficiency, reducing operating costs and road wear. This innovative design also greatly enhances stability through the application of support parts, high and low level planes and reinforcing ribs, ensuring excellent handling performance even when carrying heavy loads or driving on rough roads. In addition, the optimization of the frame and the configuration of the two groups of front and rear wheels greatly improve the carrying capacity of the vehicle, meeting diverse transportation needs. The design of the draw pin and draw plate simplifies the towing connection process, increasing the safety and convenience of operation. The introduction of telescopic columns further enhances the adaptability of the vehicle, allowing it to flexibly respond to various complex road conditions. Through these innovations, the overall strength and durability of the vehicle are improved, greatly improving safety during transportation. In summary, the lightweight semitrailer of this patent not only brings a more efficient and economical choice to the logistics transportation industry, but also makes important contributions to environmental protection, operating cost control and safety performance improvement, reflecting the development trend and future direction of modern logistics equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of the utility model embodiment one Figure 1 .

[0016] Figure 2 is a front view of the utility model embodiment one.

[0017] Figure 3 is a perspective view of the utility model embodiment one Figure 2 .

[0018] Figure 4 is a front view of the utility model embodiment two.

[0019] Figure 5 is a top view of the utility model embodiment two.

[0020] In the figure: 100, frame body; 101, vertical connection surface; 102, high-level plane; 103, low-level plane; 104, hollow part; 105, support part; 106, longitudinal beam; 107, telescopic column; 108, wheel; 109, suspension; 110, cross beam; 111, draw pin; 112, draw plate; 113, reinforcing rib. DETAILED DESCRIPTION

[0021] The utility model will be further described in detail below in combination with the drawings and specific embodiments.

[0022] Embodiment one;

[0023] Figures 1-3 The light semi-trailer shown includes a frame body 100, the frame body 100 has a high-order plane 102 and a low-order plane 103 integrally connected front and rear through a vertical connecting surface 101, the high-order plane 102 and the low-order plane 103 are used as the load-bearing surface of the object, the middle part of the high-order plane 102, the vertical connecting surface 101 and the low-order plane 103 jointly form a hollow part 104 penetrating through the frame body 100, the hollow part 104 forms a support part 105 on the left and right sides, the hollow part 104 is provided with a hollow passage with a certain width along the central axis of the frame body 100, this part of the hollow passage can save the use of steel material of the frame body, greatly reducing the weight of the frame body, at the same time, the integrity of the high-order plane 102 and the low-order plane 103 is weakened to the maximum extent along the central axis, the object carried is supported by the support parts 105 on the two sides, it should be understood that under the premise of reducing the overall weight of the frame body, this structure is particularly suitable for loading of the automobile or loading of the container;

[0024] Preferably, the area of the high-order plane 102 is smaller than the area of the low-order plane 103, the high-order plane 102 is located at the head of the frame body, the top surface height of the high-order plane 102 is higher than that of the low-order plane 103, the hollow part 104 of the high-order plane 102 is embedded with a traction plate 112, the bottom surface of the high-order plane 102 is embedded with a traction pin 111, specifically, the traction pin 111 is protruded downward at the center of the traction plate 112, the above design facilitates the connection of the towing vehicle at the head;

[0025] The two support parts 105 are respectively connected with a longitudinal beam 106 below, the longitudinal beam 106 is used as the main framework and is made of high-strength steel material, the two longitudinal beams 106 near the vertical connecting surface 101 are respectively connected with a telescopic column 107 arranged in the vertical direction, the telescopic column 107 is in the contracted state during the driving process of the semi-trailer, the telescopic column 107 is extended to touch the ground to provide necessary support force when needed, the main body of the telescopic column 107 adopts a commercially available hydraulic cylinder or pneumatic cylinder; a group of wheels 108 is connected with the longitudinal beam 106 near the tail of the low-order plane 103 through a suspension 109, a plurality of cross beams 110 are connected between the two longitudinal beams 106, the plurality of cross beams 110 are uniformly distributed between the two longitudinal beams 106, and the rigidity of the frame is enhanced. In order to further enhance the rigidity of the frame, a reinforcing rib 113 is arranged between the longitudinal beam 106 and the respective connected support part 105.

[0026] Embodiment two;

[0027] Figure 4 and Figure 5The light-weighted semitrailer shown comprises a frame body 100, the frame body 100 has a high-order plane 102 and a low-order plane 103 integrally connected front and back through a vertical connecting surface 101, the high-order plane 102 and the low-order plane 103 are used as the load-bearing surface of the object, the middle part of the high-order plane 102, the vertical connecting surface 101 and the low-order plane 103 jointly form a hollow part 104 penetrating through the frame body 100, the hollow part 104 forms a support part 105 on the left and right sides, the hollow part 104 is provided with a hollow passage with a certain width along the central axis of the frame body 100, this part of the hollow passage can save the use of steel material of the frame body, greatly reducing the weight of the frame body, at the same time, the integrity of the high-order plane 102 and the low-order plane 103 is weakened to the greatest extent along the central axis, the object carried is supported by the support parts 105 on the two sides, it should be understood that under the premise of reducing the overall weight of the frame body, this structure is particularly suitable for loading of the automobile or loading of the container.

[0028] Preferably, the area of the high-order plane 102 is smaller than the area of the low-order plane 103, the high-order plane 102 is located at the head of the frame body, the top surface height of the high-order plane 102 is higher than that of the low-order plane 103, the hollow part 104 of the high-order plane 102 is embedded with a traction plate 112, the bottom surface of the high-order plane 102 is embedded with a traction pin 111, specifically, the traction pin 111 is protruded downward at the center of the traction plate 112, the above design facilitates the connection of the towing vehicle at the head;

[0029] Two longitudinal beams 106 are connected below the two support parts 105 respectively, the longitudinal beams 106 are used as the main framework and are made of high-strength steel, the two longitudinal beams 106 near the vertical connecting surface 101 are respectively connected with telescopic columns 107 arranged in the vertical direction, the telescopic columns 107 are in the contracted state during the driving of the semitrailer, the telescopic columns 107 are extended to touch the ground to provide necessary support force when needed, the main body of the telescopic column 107 adopts a commercially available hydraulic cylinder or pneumatic cylinder; a group of wheels 108 is connected to the longitudinal beam 106 near the tail of the low-order plane 103 through a suspension 109, a plurality of cross beams 110 are connected between the two longitudinal beams 106, the plurality of cross beams 110 are uniformly distributed between the two longitudinal beams 106, and the rigidity of the frame is enhanced.

[0030] At the same time, in order to improve the carrying capacity, in the embodiment, two groups of wheels 108 are connected to the longitudinal beam 106 near the tail of the low-order plane 103 through the suspension 109.

[0031] In summary, the light-weighted semitrailer has the following advantages:

[0032] 1. Reducing the vehicle's self-weight: By designing the hollow and optimizing the structure, the weight of the semi-trailer frame body is greatly reduced, which directly reduces the self-weight of the whole vehicle. The reduction of self-weight means that in the case of loading the same goods, the fuel consumption of the vehicle will be reduced, the operating cost will be reduced, and the wear and tear of the road will also be reduced.

[0033] 2. Improving fuel efficiency: The reduction of the vehicle's self-weight directly improves the fuel efficiency, which is an important advantage for the logistics industry, as it can reduce fuel costs and improve transportation efficiency.

[0034] 3. Enhancing vehicle stability: By supporting the structure and high-order, low-order plane structure, and the application of reinforcing ribs, the stability of the frame is enhanced. Such structural design can ensure that the vehicle maintains good stability and maneuverability during driving, especially when loading heavy objects or driving on rough roads.

[0035] 4. Improving load capacity: The optimization of the frame body design and the application of the front and rear two groups of wheels improve the load capacity of the vehicle, making it able to transport heavier goods. This is crucial for meeting different transportation needs and improving logistics efficiency.

[0036] 5. Facilitating traction connection: The design of the traction pin and the traction plate makes the connection of the semi-trailer with the towing vehicle more convenient and safe, simplifying the operation process and reducing the potential risk of accidents.

[0037] 6. Enhancing adaptability: The design of the telescopic column allows the vehicle to adjust the supporting force according to different road conditions and needs, enhancing the adaptability of the vehicle and enabling it to cope with more different use environments.

[0038] 7. Improving safety: By optimizing the frame structure and materials, the overall strength and durability of the vehicle are improved, ensuring safety during transportation.

[0039] The above embodiments are not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or replacements made by those skilled in the art within the scope of the technical solutions of the present application also belong to the protection scope of the present application.

Claims

1. A lightweight semi-trailer, characterized in that The utility model relates to a vehicle frame, including frame body (100), frame body (100) has through vertical connecting surface (101) and is integrally connected high order plane (102) and low order plane (103) before and after, The middle part of the high order plane (102), the vertical connecting surface (101) and the low order plane (103) jointly form a hollow part (104) through the frame body (100), and the left and right sides of the hollow part (104) form support parts (105); Two support parts (105) are connected with longitudinal beams (106) below respectively, two longitudinal beams (106) near the vertical connecting surface (101) are connected with telescopic columns (107) arranged in the vertical direction respectively, and the longitudinal beam (106) near the tail of the low order plane (103) is connected with wheels (108) through a suspension (109), and a plurality of cross beams (110) are connected between the two longitudinal beams (106). The bottom surface of the high order plane (102) is embedded with a traction pin (111).

2. The lightweight semi-trailer according to claim 1, characterized in that: The area of the high order plane (102) is smaller than that of the low order plane (103), and the height of the top surface of the high order plane (102) is higher than that of the low order plane (103).

3. Lightweight semi-trailer according to claim 2, characterized in that: The hollow part (104) of the high order plane (102) is embedded with a traction plate (112), and the traction pin (111) is protruded downward at the center of the traction plate (112).

4. Lightweight semi-trailer according to claim 3, characterized in that: The plurality of cross beams (110) are evenly distributed between the two longitudinal beams (106).

5. The lightweight semi-trailer according to claim 1, characterized in that: The longitudinal beam (106) and the respective connected support part (105) are provided with a reinforcing rib (113).

6. The lightweight semi-trailer according to claim 5, characterized in that: The longitudinal beam (106) near the tail of the low order plane (103) is connected with two groups of wheels (108) through a suspension (109).

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