Anti-collision chassis structure of unmanned vehicle

Abstract

The unmanned vehicle anti-collision chassis structure comprises an anti-collision assembly, a chassis body is arranged at the upper end of the anti-collision assembly, the anti-collision assembly comprises a mounting frame fixed to the bottom end of the chassis body, a protection plate is arranged at the bottom end of the mounting frame, and an adjusting assembly is arranged in the mounting frame. Second fixing bases are fixedly connected to the two sides of the top end of the protection plate, a plurality of hydraulic shock absorbers are arranged between the adjusting assembly and the second fixing bases, and a plurality of limiting buffering assemblies are arranged between the top end of the protection plate and the mounting frame. According to the anti-collision chassis, the protection plate, the hydraulic shock absorbers and the limiting and buffering assemblies are arranged, so that the buffering and shock absorption protection effects can be achieved when the chassis body is impacted, the height of the protection plate can be adjusted through the adjusting assemblies, and the lifting stroke and the buffering and shock absorption effects of the protection plate can be changed; and different chassis main body heights can be adapted.

Description

Technical Field

[0001] The present invention relates to the technical field of anti-collision chassis structures, and in particular to an anti-collision chassis structure for an unmanned vehicle. Background Art

[0002] Unmanned new energy vehicles are vehicles with advanced technical principles, new technologies and new structures. At present, batteries, as an important component of new energy vehicles, are generally installed inside the chassis of the vehicle, and an anti-collision structure is installed at the bottom of the vehicle chassis to cushion and prevent the battery from being damaged or causing safety accidents due to collisions with foreign objects.

[0003] For example, the patent with publication number CN115320525B discloses a new energy vehicle chassis anti-collision structure and a vehicle chassis, including a frame with an open side, a plurality of transverse ribs and a plurality of longitudinal ribs are arranged inside the frame, the plurality of transverse ribs and the plurality of longitudinal ribs divide the interior of the frame into a plurality of accommodating frames, airbag buffer modules are installed in the plurality of accommodating frames, a flexible protective net assembly is installed on the outer surface of the frame, tensioning assemblies are installed on the four sides of the frame, and a plurality of groups of rolling assemblies are installed on the flexible protective net assembly. The present invention prevents the impact object from contacting the vehicle chassis by arranging a flexible protective net assembly, arranging an airbag buffer module to offset the impact force of the impact object, and arranging a rolling assembly on the flexible protective net assembly, so that when the vehicle continues to move, the bottom object and the rolling assembly roll, so that the vehicle can pass quickly, thereby reducing the damage to the vehicle chassis caused by continuous scratches.

[0004] In the prior art, a flexible protective net component is used to prevent the impact object from contacting the automobile chassis, and the impact force of the impact object is offset by setting an airbag buffer module. However, obstacles on the road surface that can cause chassis damage are mostly large hard materials, which can easily scratch the flexible protective net. In addition, the airbag is prone to aging after long-term use, and is easily damaged when subjected to a large impact force, resulting in poor anti-collision effect of the existing device. A chassis anti-collision structure is now proposed to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an anti-collision chassis structure for an unmanned vehicle.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an unmanned vehicle anti-collision chassis structure, including an anti-collision component, a chassis body is arranged on the upper end of the anti-collision component, the anti-collision component includes a mounting frame fixed to the bottom end of the chassis body, a protective plate is arranged at the bottom end of the mounting frame, an adjustment component is arranged inside the mounting frame, second fixing seats are fixedly connected to both sides of the top of the protective plate, a plurality of hydraulic shock absorbers are arranged between the adjustment component and the second fixing seat, and a plurality of limit buffer components are arranged between the top of the protective plate and the mounting frame.

[0007] Furthermore, the adjustment assembly includes limit rods fixed on both sides of the interior of the installation frame, and a servo motor is fixedly connected to one side of the interior of the installation frame.

[0008] Furthermore, a bidirectional screw is fixedly connected to the output end of the servo motor, and one end of the bidirectional screw is rotatably connected to the mounting frame.

[0009] Furthermore, connecting plates are provided on both sides of the interior of the installation frame, and both sides of the connecting plates are respectively slidably connected to the limit rods, and the connecting plates are respectively threadedly connected to one side of the bidirectional screw.

[0010] Furthermore, both sides of the bottom end of the connecting plate are fixedly connected with a first fixing seat, and both sides of the bottom end of the mounting frame are provided with slots.

[0011] Furthermore, the hydraulic shock absorber passes through the corresponding slot, and the two ends of the hydraulic shock absorber are respectively fixedly connected with a first connecting block and a second connecting block, the first connecting block is rotatably connected to the corresponding first fixed seat, and the second connecting block is rotatably connected to the corresponding second fixed seat.

[0012] Furthermore, the limit buffer assembly includes a plurality of sleeves fixed at the bottom end of the mounting frame, a plurality of plug rods are fixedly connected to the top end of the protective plate, the plug rods are plugged and connected with the corresponding sleeves, a spring is sleeved on the outside of the sleeve, and both ends of the spring are respectively fixedly connected to the mounting frame and the protective plate.

[0013] Furthermore, a telescopic cover is fixedly connected between the outer side of the bottom end of the mounting frame and the protective plate.

[0014] Beneficial effects of the present invention:

[0015] When the present invention is in use, the anti-collision chassis structure of the unmanned vehicle can play a role of buffering and shock-absorbing protection when the chassis body is hit by an impact through the arranged protective plate, hydraulic shock absorber and limit buffer component, and the height of the protective plate can be adjusted through the arranged adjustment component, the lifting stroke and buffering and shock-absorbing effect of the protective plate can be changed, and it can adapt to different chassis body heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. 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 creative work.

[0017] Figure 1 : A front view of the present invention;

[0018] Figure 2 : A schematic diagram of the structure of the regulating assembly of the present invention;

[0019] Figure 3 : Schematic diagram of the installation structure of the hydraulic shock absorber of the present invention;

[0020] Figure 4 : Schematic diagram of the rod installation structure of the present invention;

[0021] Figure 5 : Schematic diagram of the sleeve installation structure of the present invention.

[0022] The reference numerals are as follows:

[0023] 1. Chassis body; 2. Anti-collision assembly; 3. Mounting frame; 4. Protective plate; 5. Telescopic cover; 6. Limit rod; 7. Servo motor; 8. Bidirectional screw; 9. Connecting plate; 10. Second fixed seat; 11. Hydraulic shock absorber; 12. Second connecting block; 13. First connecting block; 14. First fixed seat; 15. Insert rod; 16. Spring; 17. Slot; 18. Casing. DETAILED DESCRIPTION

[0024] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0025] like Figure 1-5 As shown, it relates to an anti-collision chassis structure for an unmanned vehicle, including an anti-collision component 2, a chassis body 1 is arranged on the upper end of the anti-collision component 2, the anti-collision component 2 includes a mounting frame 3 fixed to the bottom end of the chassis body 1, a protective plate 4 is arranged at the bottom end of the mounting frame 3, an adjustment component is arranged inside the mounting frame 3, second fixing seats 10 are fixedly connected to both sides of the top of the protective plate 4, a plurality of hydraulic shock absorbers 11 are arranged between the adjustment component and the second fixing seat 10, and a plurality of limit buffer components are arranged between the top of the protective plate 4 and the mounting frame 3.

[0026] like Figure 1-5As shown, the adjustment component includes a limit rod 6 fixed on both sides of the inside of the mounting frame 3, a servo motor 7 is fixedly connected to one side of the inside of the mounting frame 3, a bidirectional screw 8 is fixedly connected to the output end of the servo motor 7, one end of the bidirectional screw 8 is rotatably connected to the mounting frame 3, and connecting plates 9 are arranged on both sides of the inside of the mounting frame 3. Both sides of the connecting plate 9 are respectively slidably connected to the limit rod 6, and the connecting plate 9 is respectively threadedly connected to one side of the bidirectional screw 8. Both sides of the bottom of the connecting plate 9 are fixedly connected to the first fixing seat 14, and both sides of the bottom of the mounting frame 3 are provided with slots 17, and the hydraulic shock absorber 11 passes through the corresponding slots 17, and both ends of the hydraulic shock absorber 11 are respectively fixedly connected to the first connecting block 13 And the second connecting block 12, the first connecting block 13 is rotatably connected with the corresponding first fixed seat 14, the second connecting block 12 is rotatably connected with the corresponding second fixed seat 10, the limit buffer assembly includes a plurality of sleeves 18 fixed at the bottom end of the mounting frame 3, and a plurality of plug rods 15 are fixedly connected to the top end of the protective plate 4, the plug rods 15 are plugged and connected with the corresponding sleeves 18, and a spring 16 is sleeved on the outer side of the sleeve 18, and the two ends of the spring 16 are respectively fixedly connected to the mounting frame 3 and the protective plate 4, and the servo motor 7 drives the bidirectional screw 8 to rotate, which can drive the connecting block to move closer or farther along the limit rod 6, so that the protective plate 4 can be driven by the hydraulic shock absorber 11 through the plug rod 15 along the sleeve 18.

[0027] like Figure 1-5 As shown, a telescopic cover 5 is fixedly connected between the outer side of the bottom end of the mounting frame 3 and the protective plate 4, and the telescopic cover 5 can play a role in waterproofing and dustproofing.

[0028] Working principle: When in use, through the set protective plate 4, hydraulic shock absorber 11 and limit buffer assembly, when the chassis body 1 is hit, the protective plate 4 can move along the sleeve 18 through the insertion rod 15, and the set spring 16 and hydraulic shock absorber 11 can be extended and retracted to play a role in buffering and shock absorption protection, and the height of the protective plate 4 can be adjusted through the set adjustment assembly, the lifting stroke and buffering and shock absorption effect of the protective plate 4 can be changed, and it can adapt to different chassis body 1 heights. Specifically, the servo motor 7 drives the bidirectional screw 8 to rotate, which can drive the connecting block to move closer or farther along the limit rod 6, so that the protective plate 4 can be driven by the hydraulic shock absorber 11 to move along the sleeve 18 through the insertion rod 15.

[0029] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An unmanned vehicle anti-collision chassis structure, comprising an anti-collision component (2), characterized in that: A chassis body (1) is arranged at the upper end of the anti-collision component (2), the anti-collision component (2) comprises a mounting frame (3) fixed to the bottom end of the chassis body (1), a protective plate (4) is arranged at the bottom end of the mounting frame (3), an adjustment component is arranged inside the mounting frame (3), second fixing seats (10) are fixedly connected to both sides of the top end of the protective plate (4), a plurality of hydraulic shock absorbers (11) are arranged between the adjustment component and the second fixing seat (10), and a plurality of limit buffer components are arranged between the top end of the protective plate (4) and the mounting frame (3).

2. The anti-collision chassis structure of an unmanned vehicle according to claim 1, characterized in that: The adjustment assembly comprises limit rods (6) fixed on both sides of the interior of the installation frame (3); a servo motor (7) is fixedly connected to one side of the interior of the installation frame (3).

3. The anti-collision chassis structure of an unmanned vehicle according to claim 2, characterized in that: The output end of the servo motor (7) is fixedly connected to a bidirectional screw rod (8), and one end of the bidirectional screw rod (8) is rotatably connected to the mounting frame (3).

4. The anti-collision chassis structure of an unmanned vehicle according to claim 3, characterized in that: Connecting plates (9) are provided on both sides of the interior of the installation frame (3), and both sides of the connecting plate (9) are respectively slidably connected to the limit rods (6), and the connecting plate (9) is respectively threadedly connected to one side of the bidirectional screw rod (8).

5. The anti-collision chassis structure of an unmanned vehicle according to claim 4, characterized in that: The two sides of the bottom end of the connecting plate (9) are fixedly connected to a first fixing seat (14), and the two sides of the bottom end of the mounting frame (3) are provided with slots (17).

6. The anti-collision chassis structure of an unmanned vehicle according to claim 1, characterized in that: The hydraulic shock absorber (11) passes through the corresponding slot (17), and the two ends of the hydraulic shock absorber (11) are respectively fixedly connected with a first connecting block (13) and a second connecting block (12), the first connecting block (13) is rotatably connected to the corresponding first fixing seat (14), and the second connecting block (12) is rotatably connected to the corresponding second fixing seat (10).

7. The anti-collision chassis structure of an unmanned vehicle according to claim 1, characterized in that: The limit buffer assembly comprises a plurality of sleeves (18) fixed at the bottom end of the mounting frame (3); a plurality of plug rods (15) are fixedly connected to the top end of the protective plate (4); the plug rods (15) are plugged and connected to the corresponding sleeves (18); a spring (16) is sleeved on the outside of the sleeve (18); and the two ends of the spring (16) are respectively fixedly connected to the mounting frame (3) and the protective plate (4).

8. The anti-collision chassis structure of an unmanned vehicle according to claim 1, characterized in that: A telescopic cover (5) is fixedly connected between the outer side of the bottom end of the installation frame (3) and the protective plate (4).

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