Lightweight semitrailer

Abstract

The utility model relates to the technical field of semitrailers, in particular to a lightweight semitrailer which comprises a bottom plate and a loading mechanism. The loading mechanism comprises a box plate and an assembling assembly, the box plate is fixedly connected with the bottom plate and located above the bottom plate, the assembling assembly comprises a side plate, a supporting plate, a connecting piece, an adding frame, a supporting frame and a closing piece, the side plate is fixedly connected with the bottom plate and located on the outer side of the box plate, the side plate is provided with a plurality of cavities, the supporting plate is fixedly connected with the side plate and located in the cavities, and the connecting piece is connected with the supporting plate. The connecting piece is detachably connected with the side plate and located in the side plate, the additionally-installed frame is fixedly connected with the connecting piece and located above the side plate, the supporting frame is fixedly connected with the additionally-installed frame and located in the additionally-installed frame, and the closing piece is fixedly connected with the bottom plate and located on the side, away from the box plate, of the side plate. Therefore, the carriage guardrail can be adaptively mounted or dismounted according to the loading height of goods, the weight of the semitrailer is effectively reduced, and the light weight of the semitrailer is realized.

Description

Technical Field

[0001] This utility model relates to the field of semi-trailer technology, and in particular to a lightweight semi-trailer. Background Technology

[0002] A semi-trailer is a trailer with its axle positioned behind the vehicle's center of gravity and equipped with a coupling device that transmits horizontal and vertical forces to the tractor. It is a heavy-duty transport vehicle connected to the semi-trailer cab via a towing pin. Current semi-trailers have complex structures, which increase the vehicle's weight and fuel consumption during operation, resulting in higher operating costs, reduced cargo capacity, and a tendency to overload. Furthermore, the trailer is prone to swaying on uneven roads, and its poor support prevents it from achieving optimal performance.

[0003] To address the aforementioned issues, existing patent (CN217893054U) discloses a lightweight semi-trailer, belonging to the field of semi-trailer technology. It includes a trailer body, a support assembly mounted on the lower surface of the trailer body, and columns mounted around the top of the support assembly. A railing is fixedly connected to one side of each column, and a connecting pin passes through the inner wall of the railing. The support assembly includes a support platform, a support beam mounted on the upper surface of the support platform, and a crossbar passing through the inner wall of the support platform. A stabilizing component is mounted at the bottom of the crossbar, and a connecting seat is fixedly connected to the bottom of the support beam. The stabilizing component includes a support arm. This utility model features a novel design, resulting in a simple and practical structure. During operation, it reduces vehicle weight and fuel consumption, lowers operating costs, increases the amount of cargo that can be transported, prevents overloading, and prevents trailer swaying on uneven roads, providing strong support and achieving optimal performance.

[0004] However, in the aforementioned prior art, the semi-trailer's cargo box cannot have its guardrails removed according to the height of the cargo, resulting in an increase in the semi-trailer's load during transportation. Summary of the Invention

[0005] The purpose of this utility model is to provide a lightweight semi-trailer, which solves the technical problem in the prior art that the cargo box of a semi-trailer cannot be disassembled according to the height of the cargo loading, resulting in an increase in the load of the semi-trailer during transportation.

[0006] To achieve the above objectives, this utility model employs a lightweight semi-trailer, comprising a floor and a loading mechanism. The loading mechanism includes a box panel and an assembly assembly. The box panel is fixedly connected to the floor and located above the floor. The assembly assembly includes a side panel, a support plate, a connector, an mounting frame, a support frame, and a closure. The side panel is fixedly connected to the floor and located outside the box panel, and the side panel has multiple cavities. The support plate is fixedly connected to the side panel and located within the cavities. The connector is detachably connected to the side panel and located within the side panel. The mounting frame is fixedly connected to the connector and located above the side panel. The support frame is fixedly connected to the mounting frame and located within the mounting frame. The closure is fixedly connected to the floor and located on the side of the side panel away from the box panel.

[0007] The connector includes a positioning pin, a fixing block, and a locking bolt. The positioning pin is detachably connected to the side plate and is located below the mounting frame. The fixing block is detachably connected to the side plate and is located outside the positioning pin. The locking bolt is threadedly connected to the side plate and is located on the side of the side plate adjacent to the mounting frame, and the locking bolt passes through the fixing block.

[0008] The closure includes a fixed rod, a fixed shaft, and a door. The fixed rod is fixedly connected to the bottom plate and is located on the side of the side plate away from the box plate. The fixed shaft is fixedly connected to the fixed rod and is located inside the fixed rod. The door is rotatably connected to the fixed shaft and is located outside the fixed rod.

[0009] The closure further includes a mounting base and a fixing base. The mounting base is fixedly connected to the box door and located on the outside of the box door. The fixing base is fixedly connected to another box door and located on the outside of the mounting base.

[0010] The closure further includes a locking pin and a handle. The locking pin is detachably connected to the mounting base and passes through the fixing base. The fixing base has a sliding groove adapted to the locking pin. The handle is fixedly connected to the locking pin and is located outside the locking pin.

[0011] This utility model discloses a lightweight semi-trailer. In practical use, the box panel and the side panels are fixed above the bottom plate. The cavity provided in the side panel effectively reduces the weight of the side panel. The support plate improves the stability of the side panel structure. The mounting frame is installed above the side panel through the connector, which facilitates installation and disassembly according to the height of the loaded goods. The support frame improves the stability of the mounting frame. The closure facilitates the assembly and unloading of goods. This method can effectively solve the problem that the guardrail of the cargo box increases the load of the semi-trailer during transportation. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a structural schematic diagram of a lightweight semi-trailer according to the present invention.

[0014] Figure 2 This is a top view of a lightweight semi-trailer according to this utility model.

[0015] Figure 3 This is a side view of a lightweight semi-trailer according to this utility model.

[0016] Figure 4 This is an exploded view of the structure of a lightweight semi-trailer according to this utility model.

[0017] 101-Base plate, 102-Box panel, 103-Side panel, 104-Support plate, 105-Positioning pin, 106-Fixing block, 107-Locking bolt, 108-Additional frame, 109-Support frame, 110-Fixing rod, 111-Fixing shaft, 112-Box door, 113-Mounting seat, 114-Fixing seat, 115-Locking pin, 116-Handle, 117-Cavity, 118-Slide groove. Detailed Implementation

[0018] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0019] Please see Figures 1-4 ,in Figure 1 This is a structural schematic diagram of a lightweight semi-trailer according to the present invention. Figure 2This is a top view of a lightweight semi-trailer according to this utility model. Figure 3 This is a side view of a lightweight semi-trailer according to this utility model. Figure 4 This is an exploded view of the structure of a lightweight semi-trailer according to this utility model.

[0020] This utility model provides a lightweight semi-trailer, including a floor 101 and a loading mechanism. The loading mechanism includes a box panel 102 and an assembly assembly. The assembly assembly includes a side panel 103, a support plate 104, a connector, an additional frame 108, a support frame 109, and a closing member. The connector includes a positioning pin 105, a fixing block 106, and a locking bolt 107. The closing member includes a fixing rod 110, a fixing shaft 111, a box door 112, a mounting seat 113, a fixing seat 114, a locking pin 115, and a handle 116. The aforementioned solution solves the problem that the semi-trailer's cargo box cannot be disassembled according to the height of the cargo, which increases the semi-trailer's load during transportation.

[0021] In this specific embodiment, the box panel 102 is fixedly connected to the bottom plate 101 and is located above the bottom plate 101. The assembly includes a side panel 103, a support plate 104, a connector, an mounting frame 108, a support frame 109, and a closure. The side panel 103 is fixedly connected to the bottom plate 101 and is located outside the box panel 102, and the side panel 103 has multiple cavities 117. The support plate 104 is fixedly connected to the side panel 103 and is located within the cavities 117. The connector is detachably connected to the side panel 103 and is located within the side panel 103. The mounting frame 108 is fixedly connected to the connector and is located above the side panel 103. The support frame 109 is fixedly connected to the mounting frame 108 and is located... Within the mounting frame 108, the closure is fixedly connected to the base plate 101 and located on the side of the side plate 103 away from the box plate 102. The box plate 102 and the side plate 103 are fixed above the base plate 101. The cavity 117 provided in the side plate 103 effectively reduces the weight of the side plate 103. The support plate 104 improves the stability of the side plate 103 structure. The mounting frame 108 is installed above the side plate 103 through the connector, which facilitates installation and disassembly according to the height of the loaded goods. The support frame 109 improves the stability of the mounting frame 108. The closure facilitates the assembly and unloading of goods. This method can effectively solve the problem that the guardrail of the truck bed increases the load of the semi-trailer during transportation.

[0022] The positioning pin 105 is detachably connected to the side plate 103 and located below the mounting frame 108. The fixing block 106 is detachably connected to the side plate 103 and located outside the positioning pin 105. The locking bolt 107 is threadedly connected to the side plate 103 and located on the side of the side plate 103 adjacent to the mounting frame 108, and the locking bolt 107 passes through the fixing block 106. The mounting frame 108 is inserted into the top of the side plate 103 through the positioning pin 105 to achieve quick positioning during installation. The fixing block 106 is inserted into the top of the side plate 103, and the locking bolt 107 fixes the fixing block 106 and the side plate 103, thereby facilitating the quick installation of the mounting frame 108 on the top of the side plate 103.

[0023] Secondly, the fixing rod 110 is fixedly connected to the bottom plate 101 and is located on the side of the side plate 103 away from the box plate 102. The fixing shaft 111 is fixedly connected to the fixing rod 110 and is located inside the fixing rod 110. The box door 112 is rotatably connected to the fixing shaft 111 and is located outside the fixing rod 110. The fixing rod 110 fixes the fixing shaft 111, and the box door 112 rotates around the fixing shaft 111, thereby facilitating the loading and handling of goods.

[0024] Meanwhile, the mounting base 113 is fixedly connected to the box door 112 and is located on the outside of the box door 112, and the fixing base 114 is fixedly connected to the other box door 112 and is located on the outside of the mounting base 113. The mounting base 113 and the fixing base 114 are respectively disposed on the outside of the two box doors 112.

[0025] In addition, the locking pin 115 is detachably connected to the mounting base 113 and passes through the fixing base 114. The fixing base 114 has a sliding groove 118 adapted to the locking pin 115. The handle 116 is fixedly connected to the locking pin 115 and is located outside the locking pin 115. By moving the locking pin 115 through the handle 116, the locking pin 115 slides in the sliding groove 118 of the fixing base 114, so that one end of the locking pin 115 is inserted into the mounting base 113, thereby facilitating the quick locking of the cabinet door 112.

[0026] Using a lightweight semi-trailer according to this embodiment, by setting the box panel 102 and the assembly components, in actual use, the box panel 102 and the side panels 103 are fixed above the bottom plate 101. The cavity 117 provided in the side panel 103 effectively reduces the weight of the side panel 103. The mounting frame 108 is inserted into the top of the side panel 103 by the positioning pin 105 to achieve quick positioning of the mounting frame 108 during installation. The fixing block 106 is inserted into the top of the side panel 103, and the locking bolt 107 secures the fixing block 106 and the side panel 103. The mounting frame 108 is fixed above the side plate 103, which facilitates installation and removal according to the height of the loaded goods. After the goods are loaded, the door 112 rotates around the fixed axis 111, and the handle 116 moves the locking pin 115. The locking pin 115 slides in the groove 118 of the fixed seat 114, so that one end of the locking pin 115 is inserted into the mounting seat 113, thereby locking the door 112. This allows the guardrail of the truck bed to be installed or removed according to the loading height of the goods, effectively reducing the weight of the semi-trailer and achieving the lightweighting of the semi-trailer.

[0027] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A lightweight semitrailer comprising a base plate, characterized in that, it further comprises a loading mechanism; the loading mechanism comprises a box plate and an assembly component, the box plate is fixedly connected with the base plate and located above the base plate, the assembly component comprises a side plate, a support plate, a connecting piece, an additional frame, a support frame and a closing piece, the side plate is fixedly connected with the base plate and located outside the box plate, and the side plate has a plurality of cavities, the support plate is fixedly connected with the side plate and located in the cavities, the connecting piece is detachably connected with the side plate and located in the side plate, the additional frame is fixedly connected with the connecting piece and located above the side plate, the support frame is fixedly connected with the additional frame and located in the additional frame, and the closing piece is fixedly connected with the base plate and located on the side of the side plate away from the box plate.

2. The lightweight semitrailer according to claim 1, characterized in that, the connecting piece comprises a positioning pin, a fixed block and a locking bolt, the positioning pin is detachably connected with the side plate and located below the additional frame, the fixed block is detachably connected with the side plate and located outside the positioning pin, and the locking bolt is threadedly connected with the side plate and located on the side of the side plate adjacent to the additional frame, and the locking bolt penetrates through the fixed block.

3. The lightweight semitrailer according to claim 2, characterized in that, the closing piece comprises a fixed rod, a fixed shaft and a box door, the fixed rod is fixedly connected with the base plate and located on the side of the side plate away from the box plate, the fixed shaft is fixedly connected with the fixed rod and located in the fixed rod, and the box door is rotatably connected with the fixed shaft and located outside the fixed rod.

4. The lightweight semitrailer according to claim 3, characterized in that, the closing piece further comprises a mounting seat and a fixed seat, the mounting seat is fixedly connected with the box door and located outside the box door, and the fixed seat is fixedly connected with another box door and located outside the mounting seat.

5. The lightweight semitrailer according to claim 4, characterized in that, the closing piece further comprises a locking pin and a handle, the locking pin is detachably connected with the mounting seat and penetrates through the fixed seat, the fixed seat has a sliding groove matched with the locking pin, and the handle is fixedly connected with the locking pin and located outside the locking pin.

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