Heavy truck side protection device structure

Abstract

The utility model discloses a heavy truck side protection device structure which comprises a truck frame (2), a side protection device (100) comprises a connecting piece connected with the truck frame (2) and a protection piece arranged on the connecting piece, and the protection piece is vertically arranged on the side, away from the truck frame (2), of the connecting piece. The connecting piece comprises a side protection transverse support (106) connected with the frame (2) and a side protection vertical support (105) arranged at the end of the side protection transverse support (106), the protection piece comprises a side protection transverse rod (102) arranged on the side protection vertical support (105), and a side protection front baffle (101) and a side protection rear baffle (103) are arranged at the two ends of the side protection transverse rod (102) respectively; compared with a plastic forming piece side protection device, the side protection device has the advantages that the mold development cost is reduced, the production cost of a single piece is reduced, the maintenance cost is synchronously reduced, and compared with a metal piece overall welding side protection device, all parts are detachable, and the chassis is convenient to maintain.

Description

Technical Field

[0001] This utility model belongs to the field of truck technology, specifically, it relates to a side protection device structure for heavy trucks. Background Technology

[0002] For N2 and N3 vehicles, side protection devices need to be installed on the sides to prevent people from falling into the side of the vehicle and being caught in the wheels, causing injury or death. It can be seen that the side protection device is an important safety component of the vehicle. At present, most side protection devices for heavy-duty commercial vehicles have two structures: one is a plastic molded part structure, and the other is made of welded metal pipes.

[0003] A patent application (patent number 201710206515.0, published on September 24, 2019) discloses a truck side protection device structure. A side guardrail is installed on one side of the floor crossbeam at the bottom of the truck. The device includes a linkage mechanism, a locking mechanism, and a fixed bracket. The side guardrail is fixed to the floor crossbeam via the linkage mechanism, and moves vertically when the linkage mechanism rotates. The fixed bracket includes an inclined bracket and a vertical bracket. The vertical bracket is vertically mounted on the floor crossbeam. One end of the inclined bracket is fixed to the floor crossbeam, and the other end is fixed to the vertical bracket, forming a triangular structure with the floor crossbeam. The locking mechanism is located on the vertical bracket. When the side guardrail moves downwards and overlaps with the vertical bracket, the side guardrail is locked and fixed to the vertical bracket by the locking mechanism. This invention solves the problem of the inflexible movement of the overall assembly and fixed structure of the truck side protection device, improving the flexibility and rationality of the truck protection structure and reducing truck inspection and maintenance costs.

[0004] In the prior art, a plastic molded side protection device has high production and maintenance costs, weak vehicle versatility, and difficulty in vehicle chassis maintenance; another type of side protection device uses integrally welded metal parts, which is mostly welded to the subframe of the upper body, and the whole is welded, making disassembly and chassis component maintenance difficult. Utility Model Content

[0005] The present invention aims to provide a structure for a heavy truck side protection device that is easy to disassemble and maintain.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a heavy truck side protection device structure, including a frame, the side protection device is disposed on both sides of the frame, the side protection device includes a connector connected to the frame and a protective member disposed on the connector, the protective member is vertically disposed on the side of the connector away from the frame.

[0007] The connecting component includes a side protection cross brace connected to the vehicle frame and a side protection vertical brace disposed at the end of the side protection cross brace. The protective component includes a side protection crossbar disposed on the side protection vertical brace, and the two ends of the side protection crossbar are respectively provided with a side protection front baffle and a side protection rear baffle.

[0008] Multiple side protection crossbars are provided on the surface of the side protection vertical support away from the vehicle frame. The side protection front baffle and the side protection rear baffle are both arranged perpendicular to each other with the side protection crossbars. The side protection crossbars are U-shaped and the two side edges of the side protection crossbars are rolled inward.

[0009] The front side guard is zigzag-shaped, with its end inclined toward the side where the side guard crossbar is located. The rear side guard is L-shaped and wraps around the surface of the side guard crossbar. Both the front and rear side guards are fixed to the side guard crossbar with rivets.

[0010] There are two side protection vertical supports, which are respectively installed at the end of the side protection horizontal bar where the side protection rear baffle is located and on the inner side of the side protection horizontal bar.

[0011] A side protection diagonal brace is provided between the side protection vertical brace and the side protection horizontal brace. The side protection diagonal brace is inclined. A side protection fixing reinforcement plate is provided on the outer side of the connection between the side protection horizontal brace and the side protection diagonal brace. A side protection fixing seat is provided on the side protection fixing reinforcement plate and is connected to the vehicle frame by bolts. A side protection vertical brace reinforcement plate is provided at the connection between the side protection vertical brace and the side protection horizontal brace.

[0012] The side protection vertical support is provided with a side protection vertical support connecting seat, the side protection horizontal bar is provided with a side protection horizontal bar connecting seat, the side protection vertical support connecting seat is provided with a side protection vertical support connecting seat reinforcing rib on the inner side, and the side protection vertical support connecting seat is connected to the side protection horizontal bar connecting seat by bolts.

[0013] Both the side protection horizontal bar connecting seat and the side protection vertical support connecting seat are U-shaped. The side protection horizontal bar connecting seat and the side protection vertical support connecting seat overlap each other, and the side protection horizontal bar connecting seat is welded to the side protection horizontal bar.

[0014] The technical effects of this utility model are as follows: Compared with the side protection device for plastic molded parts, the side protection device of this utility model reduces mold development costs, reduces the production cost per piece, and reduces maintenance costs simultaneously. Compared with the side protection device for metal parts that are welded as a whole, the side protection crossbar component and the side protection support component are detachable, which facilitates chassis maintenance. Attached Figure Description

[0015] This manual includes the following figures, which illustrate the following:

[0016] Figure 1This is a structural schematic diagram of a side protection device for heavy trucks according to the present invention;

[0017] Figure 2 for Figure 1 A schematic diagram of a side protection device structure for a heavy-duty truck.

[0018] Figure 3 for Figure 1 A schematic diagram of the side protection crossbar of a side protection device structure for a heavy truck;

[0019] Figure 4 for Figure 1 A schematic diagram of the side protection vertical support structure of a heavy truck side protection device.

[0020] The markings in the diagram are as follows: 100, Side protection device; 101, Side protection front baffle; 102, Side protection crossbar; 103, Side protection rear baffle; 104, Side protection crossbar connecting seat; 105, Side protection vertical brace; 106, Side protection horizontal brace; 107, Side protection diagonal brace; 108, Side protection fixing seat; 109, Side protection vertical brace reinforcing plate; 110, Side protection vertical brace connecting seat; 111, Side protection vertical brace connecting seat reinforcing rib; 112, Side protection fixing reinforcing plate; 2, Frame. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution, and to facilitate its implementation.

[0022] Please see Figure 1-4 A side protection device structure for heavy-duty trucks includes a frame 2, with side protection devices 100 disposed on both sides of the frame 2. The side protection device 100 includes a connector connected to the frame 2 and a protective component disposed on the connector. The protective component is vertically disposed on the side of the connector away from the frame 2. Compared with plastic molded side protection devices, this utility model side protection device reduces mold development costs, lowers unit production costs, and reduces maintenance costs. Compared with metal integral welded side protection devices, all components can be disassembled, facilitating chassis maintenance.

[0023] The connecting component includes a side protection cross brace 106 connected to the frame 2 and a side protection vertical brace 105 disposed at the end of the side protection cross brace 106. The protective component includes a side protection crossbar 102 disposed on the side protection vertical brace 105. A side protection front baffle 101 and a side protection rear baffle 103 are respectively provided at both ends of the side protection crossbar 102. The side protection crossbar 102 is located on the outer side away from the frame 2, used to protect the inner side of the frame 2. Together with the side protection front baffle 101 and the side protection rear baffle 103, it can provide more effective protection. For good protection, the side protection vertical brace 105 and the side protection horizontal brace 106 are welded together, and the side protection horizontal bar 102 is connected to the side protection vertical brace 105 by bolts. The side protection vertical brace 105 and the side protection horizontal brace 106 form a side protection support component, while the side protection front baffle 101, the side protection horizontal bar 102 and the side protection rear baffle 103 form a side protection horizontal bar component. It is easy to install and disassemble, and all of them are made up of multiple small parts welded together. The overall structure is simple and convenient for disassembly, maintenance and transportation.

[0024] Three side protection crossbars 102 are provided on the surface of the side protection vertical support 105 away from the frame 2. The side protection front baffle 101 and the side protection rear baffle 103 are both perpendicular to each other with the side protection crossbars 102. The side protection crossbars 102 are U-shaped and the two side edges of the side protection crossbars 102 are rolled inward. The three side protection crossbars 102 are arranged side by side on the surface of the side protection vertical support 105, which can improve the protection effect and increase the overall structural strength. In addition, the cross-sectional shape of the side protection crossbars 102 can improve the shear resistance of the side protection crossbars 102 and improve the overall protection capability.

[0025] The front side guard 101 is zigzag-shaped, with its end inclined toward the side where the side guard crossbar 102 is located. The rear side guard 103 is L-shaped and wraps around the surface of the side guard crossbar 102. Both the front and rear side guards are fixed to the side guard crossbar 102 with rivets. The end of the front side guard 101 is slightly inclined inward, which can provide some protection and prevent debris from flying into the inside of the side guard device. The L-shaped rear side guard 103 wraps around the end of the side guard crossbar 102, which can effectively protect the side guard vertical support 105 and the structure on the side guard vertical support 105, assisting in fixation and increasing the connection between the side guard crossbar 102 and the rear side guard 103.

[0026] There are two side protection vertical supports 105, which are respectively set at one end of the side protection horizontal bar 102 where the side protection rear baffle 103 is located and on the inner side of the side protection horizontal bar 102. The two side protection vertical supports 105 can play a better fixing role and work with the side protection horizontal support 106 to play a better supporting role. At the same time, one side protection vertical support 105 is located at the end of the side protection horizontal bar 102 to fix one end of the side protection horizontal bar 102, while the other side protection vertical support 105 is located on the inner side of the side protection horizontal bar 102 at the non-end to support the middle position of the side protection horizontal bar 102. This can reduce the number of side protection vertical supports 105 while ensuring that the side protection horizontal bar 102 receives sufficient support.

[0027] A side protection diagonal brace 107 is provided between the side protection vertical brace 105 and the side protection horizontal brace 106. The side protection diagonal brace 107 is inclined. A side protection fixing reinforcement plate 112 is provided on the outer side of the connection between the side protection horizontal brace 106 and the side protection diagonal brace 107. A side protection fixing seat 108 is provided on the side protection fixing reinforcement plate 112 and is connected to the frame 2 by bolts. A side protection vertical brace reinforcement plate 109 is provided at the connection between the side protection vertical brace 105 and the side protection horizontal brace 106. The side protection diagonal brace 107 and the side protection vertical brace reinforcement plate 109 are used to support the side protection vertical brace 105 and the side protection horizontal brace 106, reducing the possibility of bending of the side protection vertical brace 105 and the side protection horizontal brace 106 due to excessive force. At the same time, the side protection fixing reinforcement plate 112 can protect the connection between the side protection horizontal brace 106 and the side protection diagonal brace 107, reducing the occurrence of breakage.

[0028] The side protection vertical support 105 is provided with a side protection vertical support connecting seat 110, and the side protection horizontal bar 102 is provided with a side protection horizontal bar connecting seat 104. The side protection vertical support connecting seat 110 is provided with a side protection vertical support connecting seat reinforcing rib 111 on its inner side. The side protection vertical support connecting seat 110 is connected to the side protection horizontal bar connecting seat 104 by bolts. The side protection horizontal bar connecting seat 104 and the side protection vertical support connecting seat reinforcing rib 111 are connected by bolts, thereby achieving the purpose of fixing the side protection vertical support 105 to the side protection horizontal bar 102 with bolts, which facilitates disassembly and maintenance.

[0029] Both the side protection horizontal bar connecting seat 104 and the side protection vertical support connecting seat 110 are U-shaped. The side protection horizontal bar connecting seat 104 and the side protection vertical support connecting seat 110 overlap each other. The side protection horizontal bar connecting seat 104 is welded to the side protection horizontal bar 102. The U-shaped side protection horizontal bar connecting seat 104 and the side protection vertical support connecting seat 110 cross each other and are fixed with bolts. On the one hand, the structure is simple, and on the other hand, the installation is relatively firm.

[0030] The technical effects of this utility model are as follows: Compared with the side protection device for plastic molded parts, the side protection device of this utility model reduces mold development costs, reduces the production cost per piece, and reduces maintenance costs simultaneously. Compared with the side protection device for metal parts that are welded as a whole, the side protection crossbar component and the side protection support component are detachable, which facilitates chassis maintenance.

[0031] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A side protection device structure for a heavy truck, comprising a frame (2), characterized in that: The side protection device (100) is disposed on both sides of the frame (2). The side protection device (100) includes a connector connected to the frame (2) and a protective member disposed on the connector. The protective member is disposed vertically on the side of the connector away from the frame (2).

2. The structure of a heavy-duty truck side protection device according to claim 1, characterized in that: The connecting component includes a side protection cross brace (106) connected to the frame (2) and a side protection vertical brace (105) disposed at the end of the side protection cross brace (106). The protective component includes a side protection cross bar (102) disposed on the side protection vertical brace (105). The two ends of the side protection cross bar (102) are respectively provided with a side protection front baffle (101) and a side protection rear baffle (103).

3. The structure of a heavy-duty truck side protection device according to claim 2, characterized in that: The side protection crossbar (102) is provided with multiple crossbars on the side away from the frame (2) along the side protection vertical support (105). The side protection front baffle (101) and the side protection rear baffle (103) are both arranged perpendicular to each other with the side protection crossbar (102). The side protection crossbar (102) is U-shaped, and the two side edges of the side protection crossbar (102) are rolled inward.

4. The structure of a heavy-duty truck side protection device according to claim 3, characterized in that: The front side guard plate (101) is zigzag-shaped, and the end of the front side guard plate (101) is inclined toward the side where the side guard crossbar (102) is provided. The rear side guard plate (103) is L-shaped and wraps around the surface of the side guard crossbar (102). Both the front side guard plate (101) and the rear side guard plate (103) are fixed to the side guard crossbar (102) by rivets.

5. The structure of a heavy-duty truck side protection device according to claim 2, characterized in that: There are two side protection vertical supports (105), which are respectively installed at one end of the side protection horizontal bar (102) where the side protection rear baffle (103) is located and on the inner side of the side protection horizontal bar (102).

6. The structure of a heavy-duty truck side protection device according to claim 2 or 5, characterized in that: A side protection diagonal brace (107) is provided between the side protection vertical brace (105) and the side protection horizontal brace (106). The side protection diagonal brace (107) is inclined. A side protection fixing reinforcement plate (112) is provided on the outer side of the connection between the side protection horizontal brace (106) and the side protection diagonal brace (107). A side protection fixing seat (108) is provided on the side protection fixing reinforcement plate (112) and is connected to the frame (2) by bolts. A side protection vertical brace reinforcement plate (109) is provided at the connection between the side protection vertical brace (105) and the side protection horizontal brace (106).

7. The structure of a heavy-duty truck side protection device according to claim 2, characterized in that: The side protection vertical support (105) is provided with a side protection vertical support connecting seat (110), the side protection horizontal bar (102) is provided with a side protection horizontal bar connecting seat (104), the side protection vertical support connecting seat (110) is provided with a side protection vertical support connecting seat reinforcing rib (111) inside, and the side protection vertical support connecting seat (110) is connected to the side protection horizontal bar connecting seat (104) by bolts.

8. The structure of a heavy-duty truck side protection device according to claim 7, characterized in that: Both the side protection horizontal bar connecting seat (104) and the side protection vertical support connecting seat (110) are U-shaped. The side protection horizontal bar connecting seat (104) and the side protection vertical support connecting seat (110) overlap each other. The side protection horizontal bar connecting seat (104) is welded to the side protection horizontal bar (102).

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