CN115610336B - Unmanned vehicle - Google Patents

Unmanned vehicle

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Publication number
CN115610336B
CN115610336B CN202211413936.8A CN202211413936A CN115610336B CN 115610336 B CN115610336 B CN 115610336B CN 202211413936 A CN202211413936 A CN 202211413936A CN 115610336 B CN115610336 B CN 115610336B
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CN
China
Prior art keywords
frame plate
gear
inner frame
rod
outer frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211413936.8A
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Chinese (zh)
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CN115610336A (en
Inventor
任雪峰
柯飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Zhuoyi Space Technology Co ltd
Original Assignee
Beijing Zhuoyi Intelligent Technology Co Ltd
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Application filed by Beijing Zhuoyi Intelligent Technology Co Ltd filed Critical Beijing Zhuoyi Intelligent Technology Co Ltd
Priority to CN202211413936.8A priority Critical patent/CN115610336B/en
Publication of CN115610336A publication Critical patent/CN115610336A/en
Application granted granted Critical
Publication of CN115610336B publication Critical patent/CN115610336B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Traffic Control Systems (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

The invention relates to an unmanned vehicle, which comprises a vehicle body, wherein a storage groove is formed in the side part of the vehicle body, a laser radar and a telescopic mechanism are arranged in the storage groove, the telescopic mechanism is connected with the laser radar, the telescopic mechanism comprises a screw rod, a linkage rod, a first gear and a second gear, the linkage rod is rotatably connected to the inner wall of the storage groove, the end part of the linkage rod is connected with the second gear, one end of the screw rod, which is close to the linkage rod, is connected with the first gear, the first gear is meshed with the second gear, the laser radar is connected to the screw rod, the telescopic mechanism further comprises a third gear, a driving mechanism and a fourth gear, the third gear is sleeved on the linkage rod, and the output end of the driving mechanism is connected with the fourth gear which is meshed with the third gear. According to the invention, when the radar is in an unused state, the radar can be contracted into the storage groove, so that the radar is prevented from being damaged, and the radar is effectively protected.

Description

Unmanned vehicle
Technical Field
The invention relates to the technical field of unmanned vehicles, in particular to an unmanned vehicle.
Background
At present, an unmanned search vehicle senses a road environment through a vehicle-mounted sensing system, automatically plans a driving route and controls an intelligent device of the vehicle to reach a preset target, senses the surrounding environment of the vehicle through a vehicle-mounted sensor (radar), and controls the steering and the speed of the vehicle according to the road, the vehicle position and the obstacle information obtained through sensing, so that the vehicle can safely and reliably run on the road. The relative position of the existing laser radar and the vehicle body is fixed, and when the vehicle is searched for transportation or parking, the laser radar is in a non-use state, and risks of scratch and rain and snow erosion exist.
Disclosure of Invention
The invention aims to provide an unmanned vehicle, which is used for shrinking a radar into a storage groove when the radar is in an unused state, so that the radar is prevented from being damaged, and the radar is effectively protected.
The aim of the invention is achieved by adopting the following technical scheme. According to the unmanned vehicle provided by the invention, the unmanned vehicle comprises a vehicle body, a storage groove is formed in the side part of the vehicle body, a radar and a telescopic mechanism are arranged in the storage groove, the telescopic mechanism is connected with the radar, the telescopic mechanism comprises a screw rod, a linkage rod, a first gear and a second gear, the linkage rod is rotatably connected to the inner wall of the storage groove, the end part of the linkage rod is connected with the second gear, one end of the screw rod, which is close to the linkage rod, is connected with the first gear, the first gear is meshed with the second gear, the radar is connected to the screw rod, the telescopic mechanism further comprises a third gear, a driving mechanism and a fourth gear, the third gear is sleeved on the linkage rod, the output end of the driving mechanism is connected with the fourth gear, and the fourth gear is meshed with the third gear.
In some embodiments, the drone further includes a buffer assembly threadably connected to the screw, and the radar is disposed on the buffer assembly.
In some embodiments, the buffer assembly includes an outer frame plate, an inner frame plate, and a moving block, the inner frame plate is disposed in an inner portion of the outer frame plate and is movable in a first direction in an inner portion of the outer frame plate, and the moving block is disposed in an inner portion of the inner frame plate and is movable in a second direction in an inner portion of the inner frame plate, the first direction being perpendicular to the second direction.
In some embodiments, the buffer assembly further comprises a first buffer mechanism and a second buffer mechanism, the first buffer mechanism is arranged between the two side parts of the inner frame plate and the inner wall of the outer frame plate, the second buffer mechanism is arranged between the top part of the moving block and the inner wall of the inner frame plate, and the second buffer mechanism is arranged between the bottom part of the moving block and the inner wall of the inner frame plate.
In some embodiments, the first buffer mechanism comprises a sleeve, a telescopic rod, a limiting plate and an elastic piece, wherein a first end of the telescopic rod is inserted into the sleeve and connected with the limiting plate arranged in the sleeve, the elastic piece is sleeved on the telescopic rod, a first end of the elastic piece is connected with the limiting plate, and a second end of the elastic piece is connected with the inner wall of the sleeve.
In some embodiments, the first cushioning mechanism further comprises a connecting rod and a mounting base, the second end of the telescoping rod is rotatably connected to the first end of the connecting rod, and the second end of the connecting rod is rotatably connected to the mounting base.
In some embodiments, the sleeve is secured to an inner wall of the outer frame plate and the mount is secured to an outer side of the inner frame plate.
In some embodiments, the top and bottom ends of the interior of the outer frame plate are each provided with a first guide slide bar along the first direction, the first guide slide bars passing through the inner frame plate, the inner frame plate being in sliding connection with the first guide slide bars.
In some embodiments, second guide sliding rods are arranged on two sides of the inner portion of the inner frame plate along the second direction, and penetrate through the moving block, and the moving block is in sliding connection with the second guide sliding rods.
In some embodiments, the first buffer mechanism further comprises a mounting plate, the mounting plate covers the outer frame plate and is fixedly connected with the moving block, the radar is fixed on the mounting plate, a threaded connecting seat is arranged on the side portion of the outer frame plate, and the outer frame plate is connected with the screw rod through the threaded connecting seat.
The beneficial effects of the invention at least comprise:
1. According to the invention, the storage groove is formed in the side part of the vehicle body, the laser radar and the telescopic mechanism are arranged in the storage groove, the telescopic mechanism is connected with the laser radar and comprises the screw rod, the linkage rod, the first gear and the second gear, the linkage rod is rotatably connected to the inner wall of the storage groove, the second gear is connected to the end part of the linkage rod, the first gear is meshed with the second gear at one end of the screw rod, which is close to the linkage rod, the laser radar is connected to the screw rod, the telescopic mechanism further comprises the third gear, the driving mechanism and the fourth gear, the third gear is sleeved on the linkage rod, the output end of the driving mechanism is connected with the fourth gear, and the fourth gear is meshed with the third gear, so that the radar can be contracted into the storage groove when the radar is in an unused state, radar damage is avoided, and the radar is effectively protected.
2. According to the invention, the inner frame plate is arranged in the outer frame plate and can move in the first direction in the outer frame plate, the moving block is arranged in the inner frame plate and can move in the second direction in the inner frame plate, the first direction is vertical to the second direction, the first buffer mechanisms are arranged between the two side parts of the inner frame plate and the inner wall of the outer frame plate, the second buffer mechanisms are arranged between the top and the bottom of the moving block and the inner wall of the inner frame plate, so that vibration generated in the first direction and the second direction can be slowed down, the damping effect is improved, and the damage to precision elements of the laser radar caused by the vibration transmitted to the laser radar is avoided.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention given in conjunction with the accompanying drawings.
Drawings
Fig. 1 shows a schematic perspective view of an unmanned vehicle according to an embodiment of the invention;
FIG. 2 illustrates a schematic plan view of a telescoping mechanism of an unmanned vehicle according to one embodiment of the invention;
FIG. 3 illustrates a schematic perspective view of a bumper assembly of an unmanned vehicle according to an embodiment of the present invention;
fig. 4 is a schematic perspective view showing a first buffer mechanism according to an embodiment of the present invention;
Fig. 5 shows a schematic plan view of a first buffer mechanism according to an embodiment of the present invention.
Detailed Description
In order to further describe the technical means of the present application, the following detailed description of a specific embodiment of an unmanned vehicle according to the present application is given with reference to the accompanying drawings and the preferred embodiments. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, and the terms used herein are used for the purpose of describing particular embodiments only and are not intended to limit the application, the terms "comprising" and any variations thereof in the description of the application and the claims and the above description of the drawings.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the term "connected" shall be construed broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection, it may be a mechanical connection, or an electrical connection, it may be a direct connection, or it may be an indirect connection through an intermediary, or it may be a communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. "plurality" means two or more.
As shown in fig. 1 and 2, the unmanned vehicle according to the present invention includes a vehicle body 1, vehicle lamps 2 are disposed on both sides of the front end of the vehicle body 1, a camera 3 is further disposed on the vehicle head of the vehicle body 1, a plurality of receiving slots 4 are disposed on the side of the vehicle body 1, the receiving slots 4 may be configured as a cuboid, a laser radar 5 and a telescopic mechanism 6 are disposed inside the receiving slots 4, and in one or more embodiments, the telescopic mechanism 6 is connected with the laser radar 5 for controlling the telescopic operation of the laser radar 5.
The telescopic mechanism 6 comprises two screw rods 61 oppositely arranged on two sides of the inside of the storage groove 4, a linkage assembly 62 for driving the screw rods 61 to rotate and a driving assembly 63, wherein the driving assembly 63 is connected with the linkage assembly 62 and used for driving the linkage assembly 62, and the linkage assembly 62 is connected with the screw rods 61. The two screw rods 61 are rotatably provided on two opposite inner side walls of the receiving groove 4 through bearing blocks, respectively. In one or more embodiments, the lidar 5 is attached to a lead screw 61.
As shown in fig. 2, in one or more embodiments, the linkage assembly 62 includes a linkage rod 621, a first gear 622, and a second gear 623, the linkage rod 621 being rotatably connected to the inner wall of the receiving slot 4, and in one or more embodiments, the linkage rod 621 being rotatably mounted to the innermost wall of the receiving slot 4 by a bearing mount. The linkage rod 621 is disposed between the two lead screws 61, the linkage rod 621 is perpendicular to both lead screws 61, and in one or more embodiments, the linkage rod 621 is disposed in the same plane as both lead screws 61. The two ends of the linkage rod 621 are connected with a second gear 623, one end of the screw rod 61 close to the linkage rod 621 is connected with a first gear 622, and the first gear 622 is meshed with the second gear 623.
In one or more embodiments, the driving assembly 63 includes a third gear 631, a driving mechanism 632 and a fourth gear 633, the third gear 631 is sleeved on the linkage rod 621, the driving mechanism 632 is disposed at the bottom of the storage tank 4, the output end of the driving mechanism 632 is connected with the fourth gear 633, and the fourth gear 633 is vertically meshed with the third gear 631. The drive mechanism 632 may be a drive motor.
In one or more embodiments, two sides of the buffer assembly 15 are connected to the two screw rods 61 through screw connection seats 158, respectively, and the lidar 5 is disposed on the buffer assembly 15.
As shown in fig. 2, the driving mechanism 632 drives the fourth gear 633 to rotate, the fourth gear 633 drives the engaged third gear 631 to rotate, the third gear 631 drives the linkage rod 621 and the second gear 623 connected thereto to rotate, the second gear 623 drives the engaged first gear 622 to rotate, thereby driving the screw rod 61 to rotate, and the buffer assembly 15 and the laser radar 5 mounted thereon are driven to move through the threaded connection seat 158 in threaded connection with the screw rod 61, so as to automatically stretch and retract the laser radar 5, and when the laser radar 5 is in a non-use state, the laser radar 5 is retracted into the accommodating groove 4, so that the laser radar 5 is prevented from being damaged, and the laser radar 5 is effectively protected.
In one or more embodiments, the drone of the present invention further includes a buffer assembly 15, the buffer assembly 15 being disposed between the two lead screws 61, and in one or more embodiments, the lidar 5 is mounted on the buffer assembly 15. The buffer assembly 15 includes an outer frame plate 151, an inner frame plate 152, a moving block 153, and a mounting plate 159, wherein the outer frame plate 151 and the inner frame plate 152 are each constructed in an inner hollow structure, respective inner walls of the outer frame plate 151 and the inner frame plate 152 form receiving grooves, the inner frame plate 152 is disposed in the receiving grooves of the outer frame plate 151, and the inner frame plate 152 is movable in a first direction in the receiving grooves of the outer frame plate 151, and the moving block 153 is disposed in the receiving grooves of the inner frame plate 152 and is movable in a second direction in the receiving grooves of the inner frame plate 152. In one or more embodiments, the first direction is perpendicular to the second direction, which is perpendicular to the direction of movement of cushioning assembly 15, and the second direction is also perpendicular to the direction of movement of cushioning assembly 15. The mounting plate 159 is covered on the outer frame plate 151 and fixedly connected with the moving block 153 by a screw, and the lidar 5 is fixed on the mounting plate 159 by a screw. Both side portions of the outer frame plate 151 are provided with screw connection seats 158, and the outer frame plate 151 is screw-connected with the two screw rods 61 through the screw connection seats 158.
In one or more embodiments, a first buffer mechanism 154 is provided between both outer sides of the inner frame plate 152 and the inner wall of the outer frame plate 151, and a second buffer mechanism 155 is provided between the top and bottom of the moving block 153 and the inner wall of the inner frame plate 152.
As shown in fig. 4 and 5, in one or more embodiments, the first buffer mechanism 154 and the second buffer mechanism 155 have the same structure, and each of the first buffer mechanism and the second buffer mechanism includes a sleeve 1541, two telescopic rods 1542, two connecting rods 1543, a mounting seat 1544, two limiting plates 1545, and an elastic member 1546, and the two limiting plates 1545 and the elastic member 1546 are disposed inside the sleeve 1541. In one or more embodiments, two limiting plates 1545 are disposed opposite to each other with a certain distance between the two limiting plates 1545, first ends of two telescopic rods 1542 are respectively inserted into the sleeve 1541 from two ends of the sleeve 1541 and are respectively connected with the two limiting plates 1545 disposed in the sleeve 1541, part of the telescopic rods 1542 are disposed in the sleeve 1541, elastic members 1546 are sleeved on the telescopic rods 1542, the first ends of the elastic members 1546 are connected with the limiting plates 1545, and second ends of the elastic members 1546 are connected with the inner wall of the sleeve 1541. The elastic member 1546 may be a spring.
The second ends of the two telescoping rods 1542 are rotatably connected to the first ends of the two connecting rods 1543, respectively. In one or more embodiments, the second ends of the two telescoping rods 1542 are hinged with the first ends of the two connecting rods 1543, respectively. Second ends of the two connecting rods 1543 are respectively rotatably connected to the mounting seats 1544. In one or more embodiments, the second ends of the two connecting rods 1543 are each hinged with the mount 1544.
In one or more embodiments, the sleeve 1541 of the first cushioning mechanism 154 is secured to the inner wall of the outer frame plate 151, the mount 1544 of the first cushioning mechanism 154 is secured to the outer side of the inner frame plate 152, the sleeve 1541 of the second cushioning mechanism 155 is secured to the inner wall of the inner frame plate 152, and the mount 1544 of the second cushioning mechanism 155 is secured to the moving block 153.
In-process that unmanned vehicles was going can produce vibrations, move about in the outline border 151 through interior deckle 152, can extrude first buffer gear 154, connecting rod 1543 drive two telescopic links 1542 and move to the direction of keeping away from sleeve 1541, and then make limiting plate 1545 extrude elastic component 1546, alleviate the vibrations that the horizontal direction produced through the elastic action of elastic component 1546, reciprocate in interior deckle 152 through movable block 153, thereby extrude elastic component 1546 in the second buffer gear 155, alleviate the vibrations that vertical direction produced through the elastic action of elastic component 1546, improve the shock attenuation effect, avoid vibrations to transmit to and cause the damage to its precision element on the lidar 5.
As shown in fig. 3, in one or more embodiments, the top and bottom ends inside the outer frame plate 151 are provided with first guide sliding bars 156 along the first direction, the first guide sliding bars 156 pass through the inner frame plate 152, both ends of the first guide sliding bars 156 are fixedly connected with the inner wall of the outer frame plate 151, and the inner frame plate 152 is slidably connected with the first guide sliding bars 156. In one or more embodiments, the two sides of the inner frame plate 152 are provided with second guide sliding rods 157 along the second direction, the second guide sliding rods 157 penetrate through the moving blocks 153, and two ends of the second guide sliding rods 157 are fixedly connected with the inner wall of the inner frame plate 152, and the moving blocks 153 are slidably connected with the second guide sliding rods.
According to the invention, the inner frame plate 152 is in sliding connection with the first guide sliding rod 156, so that the moving stability of the inner frame plate 152 is improved, the moving block 153 is in sliding connection with the second guide sliding rod 157, the moving stability of the moving block 153 is improved, and the using effect of the buffer assembly 15 can be improved.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to practice the present invention. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the invention. Thus, the present invention is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1.一种无人车，其特征在于，包括车体；1. An unmanned vehicle, characterized in that it comprises a vehicle body; 所述车体的前端的两侧均设置有车灯，所述车灯包括圆柱体外壳和设置在所述圆柱体外壳内的灯泡，所述圆柱体外壳嵌入在所述车体内；Both sides of the front end of the vehicle body are provided with vehicle lights, the vehicle lights comprising a cylindrical shell and a bulb arranged in the cylindrical shell, and the cylindrical shell is embedded in the vehicle body; 所述车体的车头上还设置有摄像头；A camera is also provided on the front of the vehicle body; 所述车体的侧部设置有多个收纳槽，所述收纳槽的内部设置有雷达以及伸缩机构，所述伸缩机构与所述雷达连接，所述伸缩机构包括丝杆、联动杆、第一齿轮以及第二齿轮，所述联动杆可转动地连接在所述收纳槽的内壁上，所述联动杆的端部连接有所述第二齿轮，所述丝杆靠近所述联动杆的一端连接有所述第一齿轮，所述第一齿轮与所述第二齿轮啮合，所述雷达连接在所述丝杆上，所述伸缩机构还包括第三齿轮、驱动机构以及第四齿轮，所述第三齿轮套设在所述联动杆上，所述驱动机构的输出端连接有所述第四齿轮，所述第四齿轮与所述第三齿轮啮合；The side of the vehicle body is provided with a plurality of storage slots, a radar and a telescopic mechanism are provided inside the storage slots, the telescopic mechanism is connected to the radar, the telescopic mechanism comprises a screw rod, a linkage rod, a first gear and a second gear, the linkage rod is rotatably connected to the inner wall of the storage slot, the end of the linkage rod is connected to the second gear, the end of the screw rod close to the linkage rod is connected to the first gear, the first gear is meshed with the second gear, the radar is connected to the screw rod, the telescopic mechanism also comprises a third gear, a driving mechanism and a fourth gear, the third gear is sleeved on the linkage rod, the output end of the driving mechanism is connected to the fourth gear, the fourth gear is meshed with the third gear; 所述无人车还包括缓冲组件，所述缓冲组件与所述丝杆螺纹连接，所述雷达设置在所述缓冲组件上；所述缓冲组件包括外框板、内框板以及移动块，所述内框板设置于所述外框板的内部，且能够在所述外框板的内部沿第一方向移动，所述移动块设置于所述内框板的内部且能够在所述内框板的内部沿第二方向移动，所述第一方向与所述第二方向垂直；The unmanned vehicle further includes a buffer assembly, the buffer assembly is threadedly connected to the lead screw, and the radar is arranged on the buffer assembly; the buffer assembly includes an outer frame plate, an inner frame plate and a moving block, the inner frame plate is arranged inside the outer frame plate and can move inside the outer frame plate along a first direction, the moving block is arranged inside the inner frame plate and can move inside the inner frame plate along a second direction, and the first direction is perpendicular to the second direction; 所述缓冲组件还包括第一缓冲机构以及第二缓冲机构，所述内框板的两个侧部与所述外框板的内壁之间均设置有所述第一缓冲机构，所述移动块的顶部与所述内框板的内壁之间设置有所述第二缓冲机构，所述移动块的底部与所述内框板的内壁之间设置有所述第二缓冲机构；The buffer assembly further includes a first buffer mechanism and a second buffer mechanism, wherein the first buffer mechanism is disposed between the two side portions of the inner frame plate and the inner wall of the outer frame plate, the second buffer mechanism is disposed between the top of the moving block and the inner wall of the inner frame plate, and the second buffer mechanism is disposed between the bottom of the moving block and the inner wall of the inner frame plate; 所述第一缓冲机构还包括安装板，所述安装板盖合于所述外框板，并与所述移动块固定连接，所述雷达固定在所述安装板上，所述外框板的侧部设置有螺纹连接座，所述外框板通过所述螺纹连接座与所述丝杆连接。The first buffer mechanism also includes a mounting plate, which covers the outer frame plate and is fixedly connected to the moving block. The radar is fixed on the mounting plate. A threaded connection seat is provided on the side of the outer frame plate, and the outer frame plate is connected to the screw rod through the threaded connection seat. 2.根据权利要求1所述的无人车，其特征在于，所述第一缓冲机构包括套筒、伸缩杆、限位板以及弹性件，所述伸缩杆的第一端部插入所述套筒的内部，并连接所述套筒内设置的所述限位板，所述弹性件套置在所述伸缩杆上，所述弹性件的第一端部与所述限位板连接，所述弹性件的第二端部与所述套筒的内壁连接。2. The unmanned vehicle according to claim 1 is characterized in that the first buffer mechanism includes a sleeve, a telescopic rod, a limit plate and an elastic member, the first end of the telescopic rod is inserted into the interior of the sleeve and connected to the limit plate arranged in the sleeve, the elastic member is sleeved on the telescopic rod, the first end of the elastic member is connected to the limit plate, and the second end of the elastic member is connected to the inner wall of the sleeve. 3.根据权利要求2所述的无人车，其特征在于，所述第一缓冲机构还包括连接杆以及安装座，所述伸缩杆的第二端部与所述连接杆的第一端部转动连接，所述连接杆的第二端部与所述安装座转动连接。3. The unmanned vehicle according to claim 2 is characterized in that the first buffer mechanism also includes a connecting rod and a mounting seat, the second end of the telescopic rod is rotatably connected to the first end of the connecting rod, and the second end of the connecting rod is rotatably connected to the mounting seat. 4.根据权利要求3所述的无人车，其特征在于，所述套筒固定在所述外框板的内壁上，所述安装座固定在所述内框板的外侧部上。4. The unmanned vehicle according to claim 3 is characterized in that the sleeve is fixed on the inner wall of the outer frame plate, and the mounting seat is fixed on the outer side of the inner frame plate. 5.根据权利要求1所述的无人车，其特征在于，所述外框板的内部的顶端和底端沿所述第一方向均设置有第一导向滑杆，所述第一导向滑杆穿过所述内框板，所述内框板与所述第一导向滑杆滑动连接。5. The unmanned vehicle according to claim 1 is characterized in that a first guide slide bar is provided at the top and bottom ends of the inner part of the outer frame plate along the first direction, the first guide slide bar passes through the inner frame plate, and the inner frame plate is slidably connected to the first guide slide bar. 6.根据权利要求1所述的无人车，其特征在于，所述内框板的内部的两侧沿所述第二方向均设置有第二导向滑杆，所述第二导向滑杆穿过所述移动块，所述移动块与所述第二导向滑杆滑动连接。6. The unmanned vehicle according to claim 1 is characterized in that second guide slide bars are provided on both sides of the inner side of the inner frame plate along the second direction, the second guide slide bars pass through the moving block, and the moving block is slidably connected to the second guide slide bars.
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