Variable vehicle body protection device

Abstract

The utility model discloses a variable vehicle body protection device, which relates to the technical field of vehicle body protection and comprises a truck body, side protection mechanisms are mounted on two sides of the truck body and comprise first rotating shafts, the first rotating shafts are rotatably connected with the truck body, and connecting blocks are fixedly connected to the tops and the bottoms of the first rotating shafts. A pin hole is formed in the connecting block, an upper guardrail is arranged above the first rotating shaft, and a lower guardrail is arranged below the first rotating shaft; the truck body is protected by arranging the front and rear protection mechanisms and the side protection mechanism, the lower guardrail can flexibly rotate around the first rotating shaft and the second rotating shaft respectively, in a special construction site with complex road conditions, the side protection mechanism can be folded by manually rotating the lower guardrail upwards, and the front and rear protection mechanisms can also be correspondingly adjusted; and collision with obstacles around or on the ground is avoided, normal passing of the truck is guaranteed, and the applicability and flexibility of the truck under different road conditions are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle body protection, specifically variable vehicle body protection device. BACKGROUND

[0002] During the driving process of the vehicle, various potential collision risks and complex road conditions are faced, and the traditional vehicle protection device is mostly fixed, so that when the vehicle encounters a special construction site, interference with the surrounding obstacles is easy to occur, not only affecting the normal passage of the vehicle, but also the bottom or side protection device of the vehicle is damaged by the ground obstacles due to the inability to adjust, increasing the maintenance cost, reducing the applicability and flexibility of the truck, and due to the lack of an alarm device, when the protection device is damaged, the driver cannot take timely measures to protect, which may cause the vehicle to continue driving in the damaged state, and further may cause traffic accidents due to the damaged protection device not meeting the technical standards.

[0003] Therefore, we designed the variable vehicle body protection device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing variable vehicle body protection device to solve the problems in the above background technology.

[0005] In order to solve the above technical problems, the variable vehicle body protection device provided by the utility model comprises a truck body, side protection mechanisms are installed on both sides of the truck body, the side protection mechanism comprises a first rotating shaft, the first rotating shaft is rotatably connected with the truck body, a connecting block is fixedly connected to the top and bottom of the first rotating shaft, a pin hole is formed in the connecting block, an upper guardrail is arranged above the first rotating shaft and a lower guardrail is arranged below the first rotating shaft, the upper guardrail and the lower guardrail are fixedly connected with the top and bottom of the connecting block respectively, front and rear protection mechanisms are further arranged at the front and rear of the truck body, the side protection mechanism and the front and rear protection mechanisms are provided with supporting assemblies, and an alarm device is arranged at the bottom of the lower guardrail.

[0006] Further, the front and rear protection mechanisms comprise a second rotating shaft, the upper guardrail is rotatably connected with the second rotating shaft, the second rotating shaft is rotatably connected with the truck body, the second rotating shaft is fixedly connected with the connecting block at the bottom, and the connecting block is fixedly connected to the lower guardrail.

[0007] Further, the side protection mechanism and the front and rear protection mechanisms are provided with a baffle on the side close to the truck body, the supporting assembly comprises a mounting plate, the mounting plate is fixedly connected to the truck body, the upper guardrail is fixedly connected with the baffle, an inclined rib is fixedly connected between the mounting plate and the baffle, the material of the inclined rib is alloy steel, a hinge seat is fixedly connected to the side of the connecting block, and a damping spring is fixedly connected between the mounting plate and the hinge seat.

[0008] Furthermore, a sliding groove is provided at the bottom of the lower guardrail, and the alarm device includes an alarm switch, which is fixedly connected to the top of the sliding groove. A floating plate is slidably connected to the sliding groove. The floating plate is made of engineering plastic, and a trigger post is fixedly connected to the top of the floating plate at a position corresponding to the alarm switch. A buffer spring is fixedly connected between the floating plate and the lower guardrail.

[0009] Furthermore, the two ends of the damping spring are fixedly connected to the mounting plate and the hinge seat by bolts, and the central axis of the damping spring is in the same vertical plane as the rotation axis of the hinge seat and the connecting block.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. The truck body is protected by front and rear protective mechanisms and side protective mechanisms. The lower guardrail can rotate flexibly around the first and second pivots respectively. In special construction sites with complex road conditions, the lower guardrail can be manually rotated upwards to fold the side protective mechanism. The front and rear protective mechanisms can also be adjusted accordingly to avoid collisions with obstacles in the surrounding area or on the ground, ensuring normal vehicle passage and improving the applicability and flexibility of the truck in different road conditions.

[0012] 2. When the truck is traveling to a construction site or on a special road section, foreign objects on the road may touch the floating plate in the alarm device, causing the floating plate to move upward against the elastic force of the buffer spring. The trigger pin will then trigger the alarm switch to realize the alarm function and remind the driver to fold the corresponding protective mechanism to reduce losses. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a side view of the front and rear protective mechanisms of this utility model;

[0015] Figure 3 This is a schematic diagram of the front and rear protective mechanisms of this utility model;

[0016] Figure 4 This is a schematic diagram of the side protection mechanism of this utility model;

[0017] Figure 5 This is a cross-sectional view of the lower guardrail and floating plate of this utility model.

[0018] In the diagram: 1. Truck body; 2. Lower guardrail; 3. First pivot; 4. Mounting plate; 5. Damping spring; 6. Hinge seat; 7. Connecting block; 8. Floating plate; 9. Buffer spring; 10. Trigger post; 11. Alarm switch; 12. Slide groove; 13. Upper guardrail; 14. Diagonal rib; 15. Pin hole; 16. Baffle; 17. Second pivot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] Please refer to Figures 1-5The utility model provides a technical scheme: variable car body protection device, including truck body 1, truck body 1 both sides are installed with side protection mechanism, and side protection mechanism includes first rotation axis 3, and first rotation axis 3 is rotated with truck body 1 through bearing connection, and bearing can reduce rotation friction, and first rotation axis 3 can flexibly rotate, and first rotation axis 3 top and bottom are all fixedly connected with connecting block 7, and the pin hole 15 is set up on it, when lower guardrail 2 rotates outwardly upward, by locating pin is inserted into pin hole 15, the position of lower guardrail 2 is further fixed, and upper guardrail 13 is equipped with lower guardrail 2 above first rotation axis 3, and upper guardrail 13, lower guardrail 2 are fixedly connected with connecting block 7 top and bottom respectively, form side protection barrier, and the car head and the tail of truck body 1 are also equipped with front and rear protection mechanism, and side protection mechanism and front and rear protection mechanism close to the side of truck body 1 are all installed with baffle 16, prevent connecting block 7 from excessive internal rotation to truck body 1 direction, and side protection mechanism and front and rear protection mechanism are all equipped with support subassembly, and support subassembly includes mounting plate 4, and mounting plate 4 is fixedly connected on truck body 1, provides the installation foundation for other components, and upper guardrail 13 is fixedly connected with baffle 16, and mounting plate 4 and baffle 16 are fixedly connected with inclined rib 14, and inclined rib 14 material is alloy steel, has higher strength, plays the role of auxiliary support protection mechanism, and connecting block 7 side is fixedly connected with hinge base 6, and mounting plate 4 and hinge base 6 are fixedly connected with damping spring 5, and damping spring 5 connects mounting plate 4 with connecting block 7, is favorable to the stability of connecting block 7 rotation, and lower guardrail 2 bottom is equipped with slide groove 12 and is equipped with alarm device, and alarm device includes alarm switch 11, and alarm switch 11 is electrically connected with alarm control unit or vehicle's electronic control module through wire, when alarm switch 11 is triggered by trigger column 10, the electric signal generated is transmitted to alarm control unit, and alarm control unit processes signal and transmits to the instrument display system of truck body 1, shows corresponding alarm prompt information on the instrument to remind driver to fold corresponding protection mechanism, and alarm switch 11 is fixedly connected at slide groove 12 top, and slide groove 12 slidingly connects with floating plate 8, and floating plate 8 material is engineering plastic, has wear resistance, and the weight is lighter, and trigger column 10 is fixedly connected at the corresponding position of floating plate 8 top and alarm switch 11, and damping spring 9 is fixedly connected between floating plate 8 and lower guardrail 2, when truck body 1 travels to the construction site or in special road section, the foreign matter on the road top touches floating plate 8, and makes floating plate 8 overcome the elastic force of damping spring 9 and move upward, and trigger column 10 can trigger alarm switch 11, realizes alarm function.

[0021] In specific implementation, the lower guardrail 2 is manually rotated to a position directly below the first rotating shaft 3, so that the upper guardrail 13 and the lower guardrail 2 form a side protection barrier, and the baffle 16 prevents the lower guardrail 2 from excessively rotating towards the truck body 1. When the bottom of the truck is impacted, the lower guardrail 2 contacts the obstacle, so that the lower guardrail 2 is moved upward against the elastic force of the buffer spring 9. The trigger column 10 at the top of the floating plate 8 triggers the alarm switch 11. An electric signal generated by the alarm switch 11 is transmitted to an instrument display system of the truck body 1 after processing, reminding the driver to fold the corresponding protection mechanism. In special road conditions such as narrow road sections or construction sites, the lower guardrail 2 is manually rotated upward, so that the side protection mechanism can be folded, and the front and rear protection mechanisms can also be adjusted accordingly to adapt to different road conditions.

[0022] It should be noted that a hydraulic rod is arranged between the mounting plate 4 and the hinge base 6. An oil port of the hydraulic rod is connected to a small electric hydraulic pump through a high-pressure oil pipe to obtain power. The damping spring 5 is sleeved outside the hydraulic rod, can absorb the vibration of the truck body 1 during driving and the impact force of external collision, and reduce the wear of the hydraulic rod. The movable end of the hydraulic rod is fixedly connected with the mounting plate 4. A waterproof reset button is further arranged in the cab and is electrically connected with the alarm switch 11. After the driver folds the protection device, the waterproof reset button is pressed to cut off the alarm circuit through the electric signal, so that the alarm sound is turned off and the like, thereby improving the practicability and convenience of the entire alarm system.

[0023] Referring to Figures 2-3 The front and rear protection mechanisms include a second rotating shaft 17. The upper guardrail 13 is rotationally connected with the second rotating shaft 17. The second rotating shaft 17 is rotationally connected with the truck body 1. The bottom of the second rotating shaft 17 is fixedly connected with the connecting block 7. The connecting block 7 is fixedly connected with the lower guardrail 2. The folding of the front and rear protection mechanisms can be realized by rotating the lower guardrail 2 upward. The protection mechanisms can be adjusted in angle according to different driving scenes and requirements, so as to adapt to different road conditions and protection requirements.

[0024] Referring to Figure 4 The two ends of the damping spring 5 are fixedly connected with the mounting plate 4 and the hinge base 6 through bolts, so as to improve the stability of the connection. The central axis of the damping spring 5 is in the same vertical plane as the rotating shafts of the hinge base 6 and the connecting block 7. The damping spring 5 provides stable support and buffering without affecting the rotation, so as to ensure smooth rotation of the protection mechanisms.

[0025] Working principle:

[0026] When the truck is running normally, the lower guardrail 2 of the side protection mechanism is manually rotated to the position right below the first rotating shaft 3, the upper guardrail 13 and the lower guardrail 2 form a side protection barrier, the baffle 16 prevents the lower guardrail 2 from excessively rotating towards the truck body 1, the front and rear protection mechanisms of the truck head and tail and the side protection mechanism jointly provide all-round protection for the truck, when the truck body 1 runs to a construction site or a special road section, the bottom of the lower guardrail 2 is impacted, the floating plate 8 contacts the obstacle and moves upward to overcome the elastic force of the buffer spring 9, the trigger column 10 triggers the alarm switch 11, the electric signal generated by the alarm switch 11 is transmitted to the instrument display system of the truck body 1 after processing, reminding the driver to fold the corresponding protection mechanism.

[0027] The protection mechanism can be folded by rotating the lower guardrail 2 outward, thereby adapting to different road conditions, the position of the lower guardrail 2 is further fixed by inserting the positioning pin into the pin hole 15, the upper guardrail 13 and the lower guardrail 2 can maintain a relatively stable positional relationship, thereby maintaining the stability of the overall protection device and reducing the possibility of displacement of the protection structure due to vibration or shaking of the truck body 1 during running.

Claims

1. A variable body protection device comprising a truck body (1), characterized in that, The truck body (1) is provided with side protection mechanisms on both sides, the side protection mechanism comprises a first rotating shaft (3), the first rotating shaft (3) is rotatably connected with the truck body (1), the first rotating shaft (3) is fixedly connected with a connecting block (7) at the top and the bottom, an upper guardrail (13) is arranged above the first rotating shaft (3), and a lower guardrail (2) is arranged below the first rotating shaft (3), the upper guardrail (13) and the lower guardrail (2) are fixedly connected with the connecting block (7) at the top and the bottom respectively, the front and rear protection mechanisms are further arranged on the truck body (1), the side protection mechanism and the front and rear protection mechanisms are provided with supporting assemblies, and the lower guardrail (2) is provided with an alarm device.

2. The variable body protection device of claim 1, wherein: The front and rear protection mechanisms comprise a second rotating shaft (17), the upper guardrail (13) is rotatably connected with the second rotating shaft (17), the second rotating shaft (17) is rotatably connected with the truck body (1), and the second rotating shaft (17) is fixedly connected with the connecting block (7).

3. The variable body shield of claim 1, wherein: The side protection mechanism and the front and rear protection mechanisms are provided with baffle plates (16) on the side close to the truck body (1), the supporting assembly comprises a mounting plate (4), the mounting plate (4) is fixedly connected with the truck body (1), the upper guardrail (13) is fixedly connected with the baffle plate (16), and a diagonal rib (14) is fixedly connected between the mounting plate (4) and the baffle plate (16), a hinge seat (6) is fixedly connected to the side of the connecting block (7), and a damping spring (5) is fixedly connected between the mounting plate (4) and the hinge seat (6).

4. The variable body shield of claim 1, wherein: The lower guardrail (2) is provided with a sliding groove (12) at the bottom, the alarm device comprises an alarm switch (11), the alarm switch (11) is fixedly connected to the top of the sliding groove (12), the sliding groove (12) is slidably connected with a floating plate (8), the floating plate (8) is fixedly connected with a trigger column (10) at the position corresponding to the alarm switch (11) at the top, and the floating plate (8) is fixedly connected with a buffer spring (9) between the floating plate (8) and the lower guardrail (2).

5. The variable body shield of claim 2, wherein: The connecting block (7) is provided with a pin hole (15).

6. The variable ride height vehicle protection device of claim 3, wherein: The diagonal rib (14) is made of alloy steel.

7. The variable body shield of claim 3, wherein: The damping spring (5) is fixedly connected with the mounting plate (4) and the hinge seat (6) through bolts at both ends, and the central axis of the damping spring (5) and the rotating axes of the hinge seat (6) and the connecting block (7) are in the same vertical plane.

8. The variable ride height vehicle protection device of claim 4, wherein: The floating plate (8) is made of engineering plastic.

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