An unmanned vehicle

Abstract

The present invention relates to an autonomous vehicle, which includes a vehicle body and a protection mechanism. The protection mechanism includes a protection plate. A buffer plate is arranged on the side of the protection plate facing the vehicle body. A side wall groove is arranged on the side part of the vehicle body. The buffer plate is arranged inside the side wall groove and can slide inside the side wall groove. The end of the buffer plate is connected to the first end of a first elastic member, and the second end of the first elastic member is connected to the wall surface of the side wall groove. The present invention can prevent the vehicle body of the autonomous vehicle from being collided, thereby effectively protecting the vehicle body.

Description

Technical Field

[0001] The present invention relates to the technical field of driverless vehicles, and particularly to a driverless vehicle. Background Art

[0002] In the era of artificial intelligence, driverless vehicles have been increasingly widely used. For example, they can automatically complete localization tasks and autonomously navigate into various areas for mapping, etc. Driverless vehicles can communicate with the background to execute swarm algorithms and complete corresponding tasks, providing convenience and assistance to staff. Existing driverless vehicles may collide during rapid movement. When a driverless vehicle collides, it may be damaged, resulting in the inability to use the driverless vehicle normally, causing trouble for the next step of work and huge losses to the driverless vehicle company. Summary of the Invention

[0003] The purpose of the present invention is to provide a driverless vehicle to avoid the collision of the vehicle body of the driverless vehicle, thereby effectively protecting the vehicle body.

[0004] The purpose of the present invention is achieved by adopting the following technical solutions. A driverless vehicle according to the present invention includes a vehicle body and a protection mechanism. The protection mechanism includes a protection plate. A buffer plate is provided on the side of the protection plate facing the vehicle body. A side wall groove is provided on the side of the vehicle body. The buffer plate is disposed inside the side wall groove, and the buffer plate can slide inside the side wall groove. One end of the buffer plate is connected to one end of a first elastic member, and the other end of the first elastic member is connected to the wall surface of the side wall groove.

[0005] In some embodiments, a storage groove is provided on the buffer plate. The driverless vehicle further includes a transmission rod, a second elastic member, a friction portion, and a side pressing plate. One end of the transmission rod passes through the storage groove and is connected to the friction portion. The other end of the transmission rod is connected to the side pressing plate. The second elastic member is disposed between the buffer plate and the side pressing plate, and the second elastic member is sleeved on the transmission rod. The friction portion can contact the side wall of the side wall groove.

[0006] In some embodiments, the side wall of the side wall groove is configured to have a straight sliding surface and an inclined sliding surface. The inclined sliding surface is connected to the straight sliding surface, and the inclined sliding surface and the straight sliding surface are arranged at an angle.

[0007] In some embodiments, side extension plates are rotatably connected to both ends of the protection plate. The side extension plates can rotate towards the vehicle body. The driverless vehicle further includes a third elastic member. One end and the other end of the third elastic member are respectively connected to the two side extension plates. The side extension plates can press against the side pressing plate.

[0008] In some embodiments, a ball groove is provided in the middle of the side of the friction part close to the transmission rod, a universal ball is rotatably connected in the ball groove, and one end of the transmission rod close to the friction part is connected to the outer wall of the universal ball.

[0009] In some embodiments, an installation groove is formed in the protection plate, and the protection mechanism further includes a pre-collision plate. The pre-collision plate is arranged on the protection plate. The pre-collision plate passes through the installation groove and is slidably connected with the installation groove. One end of the pre-collision plate away from the vehicle body protrudes from the protection plate.

[0010] In some embodiments, the driverless vehicle further includes a transmission block and a pulling block. One side of the pre-collision plate close to the vehicle body is connected to the pulling block through the transmission block, and the pulling block is arranged on the third elastic member.

[0011] In some embodiments, a protection airbag is connected between the buffer plates, and the protection airbag is arranged between the front end of the vehicle body and the pulling block.

[0012] In some embodiments, the two buffer plates are arranged opposite to each other and parallel to each other, and the buffer plates are perpendicular to the protection plate.

[0013] The beneficial effects of the present invention at least include:

[0014] 1. In the present invention, a buffer plate is arranged on the side of the protection plate facing the vehicle body, a side wall groove is arranged on the side of the vehicle body, the buffer plate is arranged inside the side wall groove and the buffer plate can slide inside the side wall groove, one end of the buffer plate is connected to the first end of the first elastic member, and the second end of the first elastic member is connected to the wall surface of the side wall groove, which can prevent the vehicle body of the driverless vehicle from being collided, thereby effectively protecting the vehicle body.

[0015] 2. In the present invention, a storage groove is formed in the buffer plate, the first end of the transmission rod passes through the storage groove and is connected to the friction part, the second end of the transmission rod is connected to the side pressure plate, the second elastic member is arranged between the buffer plate and the side pressure plate and the second elastic member is sleeved on the transmission rod, and the friction part can contact the side wall of the side wall groove, which can make the buffer plate return to the initial position more slowly. When the buffer plate quickly returns to the initial position, a large reaction force is generated between the protection plate and the collision object, resulting in secondary damage to the vehicle body, and further ensuring the safety of the vehicle body.

[0016] 3. In the present invention, the first end and the second end of the third elastic member are respectively connected to two side extension plates, the pre-collision plate passes through the installation groove and is slidably connected to the installation groove, the end of the pre-collision plate away from the vehicle body protrudes from the protection plate, and one side of the pre-collision plate close to the vehicle body is connected to the pulling block through the transmission block, and the pulling block is arranged on the third elastic member, so that the third elastic member generates a reverse force during the bending deformation process, which offsets the impact force generated by the colliding object, reduces the impact force on the vehicle body during the collision, and improves the protection effect on the vehicle body.

[0017] The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly, it can be implemented according to the content of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following preferred embodiments are specifically given, and in conjunction with the drawings, the details are described as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Shows a three-dimensional structural schematic diagram of an autonomous vehicle according to an embodiment of the present invention;

[0019] Figure 2 Shows another three-dimensional structural schematic diagram of an autonomous vehicle according to an embodiment of the present invention;

[0020] Figure 3 Shows a structural schematic diagram of a transmission rod, a second elastic member, a friction part and a side pressing plate of an autonomous vehicle according to an example of the present invention;

[0021] Figure 4 Shows a structural schematic diagram of a side wall groove according to an embodiment of the present invention;

[0022] Figure 5 Shows a structural schematic diagram of a friction part, a transmission rod and a universal ball of an autonomous vehicle according to an embodiment of the present invention;

[0023] Figure 6 Shows Figure 2 An enlarged schematic diagram of the structure at A in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] To further elaborate on the technical means of the present invention, the following provides a detailed description of the specific implementation manners of an autonomous vehicle proposed according to the present invention in conjunction with the drawings and preferred embodiments. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, so they are only examples and cannot be used to limit the protection scope of this application.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit this application; the term "comprising" and any variation thereof in the specification and claims of this application and the above drawings description.

[0026] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood according to specific situations. "Plurality" means two or more. "Initial position" means the position in a free state when not subjected to an external collision force.

[0027] As Figure 1 and Figure 2 As shown, the driverless vehicle described in the present invention includes a vehicle body 1 and a protection mechanism 3. The protection mechanism 3 is disposed at the front end of the vehicle body 1, and a signal transmitter 6 is fixedly connected to the rear end of the vehicle body 1. The protection mechanism 3 includes a protection plate 31. The protection plate 31 is configured as a rectangular plate-like structure. The protection plate 31 is parallel to the front end face of the vehicle body 1. Two end portions of the side of the protection plate 31 facing the vehicle body 1 are respectively fixedly provided with buffer plates 34. The buffer plates 34 are configured as rectangular plate-like structures. In one or more embodiments, the two buffer plates 34 are disposed opposite to each other and parallel to each other. In one or more embodiments, both of the two buffer plates 34 are perpendicular to the protection plate 31.

[0028] In one or more embodiments, side wall grooves 2 are provided on two side portions of the vehicle body 1. The side wall grooves 2 are configured as rectangular parallelepipeds. The two buffer plates 34 are respectively disposed in the corresponding side wall grooves 2 and can slide inside the side wall grooves 2. One or more mounting holes 35 are provided at the end portions of each buffer plate 34 along the length direction (i.e., the first direction) of the buffer plate 34. The mounting holes 35 are close to the innermost wall surface of the side wall groove 2. The first end portions of a first elastic member 21 are connected in each of the mounting holes 35. The first elastic member 21 can be a spring. The second end portion of the first elastic member 21 is connected to the innermost wall surface of the side wall groove 2.

[0029] The driverless vehicle can receive the operation instructions of the operator through the signal transmitter 6 and can be controlled to move to the corresponding position. When the driverless vehicle collides with an object, the object will push the protection plate 31 to move towards the vehicle body 1. The protection plate 31 can drive the buffer plate 34 to move synchronously. Then, the buffer plate 34 slides along the inner side wall groove 2 inside the side wall groove 2. During the sliding process of the buffer plate 34 inside the side wall groove 2, the first elastic member 21 can be compressed to generate a resilience force, thereby hindering the protection plate 31 from continuing to move towards the vehicle body 1, preventing the protection plate 31 from hitting the vehicle body 1, and avoiding the collision of the vehicle body 1 of the driverless vehicle, thus effectively protecting the vehicle body 1.

[0030] As Figure 2 and Figure 3 shown, in one or more embodiments, a receiving groove 36 is formed in the middle of each buffer plate 34 along the width direction of the buffer plate 34 (i.e., the second direction). The driverless vehicle of the present invention further includes a transmission rod 41, a second elastic member 42, a friction portion 43, and a side pressing plate 4. The first end portion of the transmission rod 41 passes through the receiving groove 36 along the width direction of the buffer plate 34 and is connected to the friction portion 43. The second end portion of the transmission rod 41 is connected to the side pressing plate 4. The side pressing plate 4 is configured as a rectangular plate-like structure. The side pressing plate 4 is arranged face to face with the buffer plate 34 and is parallel to the buffer plate 34. In some other embodiments, the side pressing plate 4 is arranged inside the side wall groove 2 and can slide inside the side wall groove 2. The second elastic member 42 is arranged between the buffer plate 34 and the side pressing plate 4. The second elastic member 42 is sleeved on the transmission rod 41, and the first end portion of the second elastic member 42 is connected to the side pressing plate 4, and the second end portion of the second elastic member 42 is connected to the buffer plate 34. The second elastic member 42 can be a spring. In one or more embodiments, the friction portion 43 is a flexible friction sheet.

[0031] In one or more embodiments, the side wall of the side wall groove 2 is perpendicular to the innermost wall surface of the side wall groove 2.

[0032] In one or more embodiments, the transmission rod 41 can slide along the width direction of the buffer plate 34 inside the receiving groove 36.

[0033] During the movement of the buffer plate 34 inside the side wall groove 2, the friction part 43 is driven to move synchronously. The friction part 43 slides against the side wall of the side wall groove 2 and generates frictional force at the same time. When the vehicle body 1 impacts an object, the first elastic member 21 returns to its original state through the resilience force, pushing the buffer plate 34 back to the initial position. The buffer plate 34 synchronously drives the protection plate 31 to move away from the vehicle body 1. During this process, there is still frictional force between the friction part 43 and the side wall of the side wall groove 2, so that the buffer plate 34 moves more slowly when returning to the initial position, avoiding a large reaction force between the protection plate 31 and the collided object when the buffer plate 34 quickly returns to the initial position, resulting in secondary damage to the vehicle body 1 and further ensuring the safety of the vehicle body 1.

[0034] In addition, during the sliding of the buffer plate 34 along the side wall groove 2, the friction part 43 slides against the side wall of the side wall groove 2. During the relative sliding of the friction part 43 and the inclined sliding surface 23, the energy of the impact is consumed through friction, thereby further protecting the vehicle body 1.

[0035] As Figure 4 shown, in one or more embodiments, one of the side walls of the side wall groove 2 is configured to have a straight sliding surface 22 and an inclined sliding surface 23, and the inclined sliding surface 23 is arranged at an angle with the straight sliding surface 22. In one or more embodiments, the inclined sliding surface 23 and the straight sliding surface 22 form an angle of 160 degrees. The straight sliding surface 22 and the inclined sliding surface 23 are connected. From the outermost to the innermost of the side wall groove 2, the inclined sliding surface 23 and the straight sliding surface 22 are arranged in sequence. When the buffer plate 34 slides inside the side wall groove 2, the friction part 43 can first contact the inclined sliding surface 23 and be slidably connected to the inclined sliding surface 23. As the buffer plate 34 continues to slide in the side wall groove 2, the friction part 43 contacts the straight sliding surface 22 and is slidably connected to the straight sliding surface 22. Thus, when the friction part 43 approaches the first elastic member 21 inside the side wall groove 2, the pressure between the friction part 43 and the inclined sliding surface 23 becomes greater and greater, and the energy consumption during the movement can be increased.

[0036] As Figure 2As shown, in one or more embodiments, side extension plates 32 are rotatably connected to both ends of the protective plate 31, and the side extension plates 32 can rotate towards the vehicle body 1. Specifically, two side extension plates 32 are respectively rotatably connected to both ends of the protective plate 31 through rotating columns 33. The first end and the second end of the third elastic member 52 are respectively connected to the two side extension plates 32, and the two side extension plates 32 can respectively press against the corresponding two side pressing plates 4. In one or more embodiments, when the side extension plate 32 presses against the corresponding side pressing plate 4, the side extension plate 32 forms an angle of 120 degrees with the protective plate 31. When the side extension plate 32 presses against the corresponding side pressing plate 4, the side pressing plate 4 can push the transmission rod 41 to move towards the side wall of the side wall groove 2, and the transmission rod 41 further pushes the friction portion 43 into a pressing state with the inclined sliding surface 23. When the side extension plate 32 separates from the side wall of the corresponding side pressing plate 4, the second elastic member 42 simultaneously pushes the side pressing plate 4 to move away from the buffer plate 34 to the initial position through the resilience force.

[0037] During the rotation of the side extension plates 32, the ends of the two side extension plates 32 away from the protective plate 31 approach each other, and the side extension plates 32 simultaneously start to press against the side pressing plates 4. The side pressing plates 4 push the transmission rods 41 to move towards the side walls of the side wall grooves 2. At this time, the transmission rods 41 push the friction portions 43 into a pressing state with the inclined sliding surfaces 23, and the second elastic members 42 are in a compressed state. After the protective plate 31 returns to the initial position, the third elastic member 52 returns to the initial position. At the same time, the third elastic member 52 pushes the transmission block 51 back to the initial position through the pulling block 53 sleeved in the middle. The two side extension plates 32 rotate to their original positions. At the same time, the second elastic member 42 returns to its original state, and the second elastic member 42 simultaneously pushes the side pressing plates 4 to move away from the buffer plate 34 to the initial position.

[0038] In one or more embodiments, as Figure 5 shown, a ball groove (not shown in the figure) is provided in the middle of the side of the friction portion 43 close to the transmission rod 41. A universal ball 44 is rotatably connected in the ball groove. One end of the transmission rod 41 close to the friction portion 43 is connected to the outer wall of the universal ball 44. During the process of the friction portion 43 sliding from the inclined sliding surface 23 to the straight sliding surface 22, the universal ball 44 can rotate along the ball groove, so that the friction portion 43 can be in full contact with the straight sliding surface 22, increasing the stability of the friction portion 43 during the sliding process along the straight sliding surface 22.

[0039] In one or more embodiments, as Figure 2 and Figure 6As shown, an installation groove (not shown in the figure) is formed in the middle of the protection plate 31. The protection mechanism 3 further includes a pre-collision plate 5. The pre-collision plate 5 is arranged in the middle of the protection plate 31. One end of the pre-collision plate 5 away from the vehicle body 1 protrudes from the protection plate 31. The pre-collision plate 5 passes through the installation groove and is slidably connected to the installation groove. Both ends of the pre-collision plate 5 are placed outside the installation groove. One side of the pre-collision plate 5 close to the vehicle body 1 is connected to a pulling block 53 through a transmission block 51. The pulling block 53 is arranged on a third elastic member 52.

[0040] When the driverless vehicle collides with an object during movement, the pre-collision plate 5 contacts the object first. The object pushes the pre-collision plate 5 to slide along the side wall of the installation groove and move towards the vehicle body 1. During the movement, the pre-collision plate 5 simultaneously pushes the transmission block 51 to move synchronously. The transmission block 51 simultaneously pushes the pulling block 53 to move synchronously. During the movement, the pulling block 53 pushes the middle part of the third elastic member 52, causing the third elastic member 52 to bend. The third elastic member 52 generates a force in the opposite direction during the bending deformation process, which offsets the impact force generated by the collision object, reduces the impact force on the vehicle body 1 during the collision, and improves the protection effect on the vehicle body 1.

[0041] As Figure 2 As shown, in one or more embodiments, a protection airbag 37 is fixedly connected between two buffer plates 34. The protection airbag 37 is arranged between the front end face of the vehicle body 1 and the pulling block 53. When the driverless vehicle collides with an object during movement, the pre-collision plate 5 contacts the object first. The object pushes the pre-collision plate 5 to slide along the side wall of the installation groove and move towards the vehicle body 1. During the movement, the pre-collision plate 5 simultaneously pushes the transmission block 51 to move. The transmission block 51 pushes the pulling block 53 to move synchronously. During the movement, the pulling block 53 pushes the middle part of the third elastic member 52, causing the third elastic member 52 to bend. The third elastic member 52 generates a force in the opposite direction during the bending deformation process. When the protection plate 31 continues to move towards the vehicle body 1, the protection airbag 37 contacts the front end face of the vehicle body 1 first, plays a protective role for the vehicle body 1, and at the same time plays a buffering role, further enhancing the protection performance of the vehicle body 1.

[0042] The above description of the disclosed aspects enables any person skilled in the art to implement the present invention. Various modifications to these aspects are obvious to those skilled in the art, and the general principles defined herein can be applied to other aspects without departing from the scope of the present invention. Therefore, the present invention is not intended to be limited to the aspects shown herein, but to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. An unmanned vehicle, characterized in that, It includes a vehicle body and a protection mechanism. The protection mechanism includes a protection plate. A buffer plate is provided on one side of the protection plate facing the vehicle body. A side wall groove is provided on the side of the vehicle body. The buffer plate is arranged inside the side wall groove, and the buffer plate can slide inside the side wall groove. One end of the buffer plate is connected to one end of a first elastic member, and the other end of the first elastic member is connected to the wall surface of the side wall groove; A storage groove is formed in the buffer plate. The unmanned vehicle further includes a transmission rod, a second elastic member, a friction portion, and a side pressing plate. One end of the transmission rod passes through the storage groove and is connected to the friction portion. The other end of the transmission rod is connected to the side pressing plate. The second elastic member is arranged between the buffer plate and the side pressing plate, and the second elastic member is sleeved on the transmission rod. The friction portion can contact the side wall of the side wall groove; Side extension plates are rotatably connected to both ends of the protection plate. The side extension plates can rotate towards the vehicle body. The unmanned vehicle further includes a third elastic member. One end and the other end of the third elastic member are respectively connected to the two side extension plates. The side extension plates can press against the side pressing plate; The protection mechanism further includes a pre-collision plate. An installation groove is formed in the protection plate. The pre-collision plate is arranged on the protection plate. The pre-collision plate passes through the installation groove and is slidably connected to the installation groove. One end of the pre-collision plate away from the vehicle body protrudes from the protection plate; The unmanned vehicle further includes a transmission block and a pulling block. One side of the pre-collision plate close to the vehicle body is connected to the pulling block through the transmission block. The pulling block is arranged on the third elastic member.

2. The driverless vehicle according to claim 1, wherein, The side wall of the side wall groove is configured to have a straight sliding surface and an inclined sliding surface. The inclined sliding surface is connected to the straight sliding surface and is arranged at an angle to the straight sliding surface.

3. The driverless vehicle according to claim 1, wherein A ball groove is formed in the middle of the side of the friction portion close to the transmission rod. A universal ball is rotatably connected in the ball groove. One end of the transmission rod close to the friction portion is connected to the outer wall of the universal ball.

4. The driverless vehicle according to claim 1, wherein A protection airbag is connected between the buffer plates. The protection airbag is arranged between the front end of the vehicle body and the pulling block.

5. The driverless vehicle according to claim 1, characterized in that, The two buffer plates are arranged opposite to each other and are parallel to each other. The buffer plates are perpendicular to the protection plate.

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