CN115140389A

CN115140389A - Target carrying tray for automatic driving test

Info

Publication number: CN115140389A
Application number: CN202210913962.0A
Authority: CN
Inventors: 吕毅凡; 胡江流; 吕文化
Original assignee: Futu Automotive Technology Suzhou Co ltd
Current assignee: Enyi Automobile Technology Suzhou Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-10-04
Anticipated expiration: 2042-08-01
Also published as: CN115140389B

Abstract

The invention discloses a carrying tray for a target object for automatic driving test, which comprises a bottom plate, wherein a transverse rib plate and a longitudinal rib plate are arranged at the top end of the bottom plate, through holes are formed in the left side and the right side of the front end of the bottom plate and the left side and the right side of the rear end of the bottom plate, front steering wheels are arranged in the two through holes in the left side and the right side of the front end of the bottom plate, and a steering system component is arranged in the middle of the front end of the bottom plate; front suspension system components are arranged above the through holes on the left side and the right side of the front end of the bottom plate; rear driving wheels are arranged in the through holes on the left side and the right side of the rear end of the bottom plate, a driving system assembly is arranged in the middle of the rear end of the bottom plate, and rear suspension system assemblies are arranged above the through holes on the left side and the right side of the rear end of the bottom plate; the top end of the bottom plate is also provided with a positioning module, a communication module and a power supply module; the top of bottom plate still is provided with the apron, and the top of apron is provided with the target object fixed block. The invention aims to solve the technical problems that the existing target carrying device is large in size, heavy, weak in pressure bearing capacity, poor in shock absorption, incapable of separating a target and the like.

Description

Target carrying tray for automatic driving test

Technical Field

The invention relates to the technical field of automatic driving tests, in particular to a carrying tray for a target object for the automatic driving test.

Background

The automatic driving of the automobile is a trend of the intelligent development of the automobile at present, and the intelligent automobile has an automatic driving function by carrying devices such as advanced sensors and applying new technologies such as artificial intelligence and gradually becomes a new generation automobile of an intelligent mobile space and an application terminal. When the automatic driving technology of the automobile is researched and developed, performance tests are required to be frequently carried out, and main test indexes comprise various vehicle motion data (such as speed, acceleration and situation routes), identification accuracy, response speed and identification range of traffic participants, adaptability to various illumination and climatic environments and the like.

In the prior art, a target object is required to be used when an automatic driving test is carried out, the target object mainly comprises a dummy, a false car, a roadblock and the like, the target object is required to be carried by a carrying device, and the carrying device drives the target object to move according to a preset route, so that the automatic driving performance test is completed by matching with a test vehicle; the existing carrying device is not provided with a suspension system, so that the shock absorption performance of the carrying device is poor, and the carrying device and a target object carried by the carrying device are damaged due to the phenomenon of violent jolt caused by uneven potholes on the road surface in the moving process; in addition, in the existing carrying device, the target object and the carrying device are fixedly installed, so that the collision phenomenon sometimes occurs in the process of testing the automatic driving performance, and when the collision occurs, the target object cannot be separated from the carrying device, so that the huge impact force can cause huge damage to the target object, the carrying device and the test vehicle, the recycling rate of the target object is low, and the test cost is increased.

Aiming at the technical problems, the invention discloses a carrying tray for a target object for automatic driving test, which has the advantages of simple structure, small volume, light weight, strong bearing capacity, good shock absorption, stable running and separable target object, reduces the damage of collision force to the target object, the carrying tray and a test vehicle, and is suitable for wide popularization and application.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a carrying tray for an object for automatic driving test, which solves the technical problems that the carrying device for the object for automatic driving test in the prior art is large in size, heavy, weak in pressure bearing capacity and poor in shock absorption, and when collision occurs, the object cannot be separated from the carrying device, so that huge impact force can cause huge damage to the object, the carrying device and a test vehicle, the recycling rate of the object is low, the test cost is increased, and the like.

The invention is realized by the following technical scheme: the invention discloses a carrying tray for a target object for automatic driving test, which comprises a bottom plate,

the top end of the bottom plate is provided with criss-cross transverse rib plates and longitudinal rib plates, the left side and the right side of the front end of the bottom plate and the left side and the right side of the rear end of the bottom plate are provided with through holes, the criss-cross transverse rib plates and the longitudinal rib plates surround a rib plate grid above the through holes, front steering wheels are respectively arranged in the two through holes on the left side and the right side of the front end of the bottom plate, the bottom ends of the front steering wheels exceed the bottom end of the bottom plate, the middle part of the front end of the bottom plate is also provided with a steering system component, and the left end and the right end of the steering system component are respectively connected with the front steering wheels on the left side and the right side;

front suspension system components are respectively arranged in rib plate lattices above the through holes on the left side and the right side of the front end of the bottom plate, the front suspension system components are respectively arranged on the side walls of the longitudinal rib plates, and the outer ends of the front suspension system components are respectively connected with the left end and the right end of the steering system component;

rear driving wheels are respectively arranged in through holes on the left side and the right side of the rear end of the bottom plate, the bottom ends of the rear driving wheels exceed the bottom end of the bottom plate, a driving system component is arranged in the middle of the rear end of the bottom plate, the left end and the right end of the driving system component are respectively connected with the rear driving wheels on the left side and the right side, rear suspension system components are respectively arranged in rib plate lattices above the through holes on the left side and the right side of the rear end of the bottom plate, the rear suspension system components are respectively arranged on the side walls of longitudinal rib plates, and the outer ends of the rear suspension system components are respectively connected with the left end and the right end of the driving system components;

the top end of the bottom plate is also provided with a positioning module, a communication module and a power module, the positioning module, the communication module and the power module are all positioned in a rib plate lattice formed by surrounding a transverse rib plate and a longitudinal rib plate, and the positioning module is used for sensing the position information of the carrying tray and realizing the function of automatic driving; the communication module is used for transmitting and receiving instructions between the carrying tray and a computer or a mobile phone and is also in communication connection with the positioning module, the steering system assembly and the driving system assembly; the power module is electrically connected with the positioning module, the communication module, the steering system assembly and the driving system assembly;

the top end of the bottom plate is also provided with a cover plate, the bottom plate, the transverse rib plates, the longitudinal rib plates and the cover plate are all made of composite fiber plate materials, the cover plate covers the transverse rib plates and the longitudinal rib plates, the cover plate is in a quadrangular frustum pyramid shape with a hollow interior, and the top end of the cover plate is provided with a target object fixing block.

Preferably, the steering system subassembly includes the steering wheel, the steering wheel swing arm, the drag link, knuckle arm and knuckle, the fixed top that sets up at the bottom plate that turns to the steering wheel, the steering wheel swing arm is connected to the output that turns to the steering wheel, the left and right sides of steering wheel swing arm bottom is provided with the drag link respectively, the inner of the drag link of both sides is articulated with the left and right sides of steering wheel swing arm bottom respectively, the outer end of drag link runs through vertical floor respectively and knuckle arm is articulated, the knuckle arm respectively with knuckle fixed connection, the preceding steering wheel of the left and right sides rotates with the knuckle respectively and is connected.

Preferably, the front suspension system component comprises an upper swing arm of the front suspension, a lower swing arm of the front suspension and a front suspension shock absorber, the upper swing arm of the front suspension and the lower swing arm of the front suspension are respectively arranged on the upper side and the lower side of the steering knuckle, a front suspension mounting plate is arranged on the side wall of the longitudinal rib plate and corresponds to the upper swing arm of the front suspension and the lower swing arm of the front suspension, the inner ends of the upper swing arm of the front suspension and the lower swing arm of the front suspension are respectively hinged with the upper end and the lower end of the front suspension mounting plate, the upper end and the lower end of the steering knuckle are respectively provided with a connecting shaft, the outer ends of the upper swing arm of the front suspension and the lower swing arm of the front suspension are respectively rotatably connected with the connecting shaft, the front suspension shock absorbers are respectively obliquely arranged on the front side and the rear side of the upper swing arm of the front suspension, the top end of the front suspension shock absorber is respectively hinged with the top end of the front suspension mounting plate, and the bottom end of the front suspension shock absorber is respectively hinged with the front side and rear side of the outer end of the lower swing arm of the front suspension.

Preferably, the driving system component comprises a driving motor, a differential and a half shaft, the driving motor is longitudinally installed at the top end of the bottom plate, the axis of the driving motor is perpendicular to the axis of the rear driving wheel, the output end of the driving motor is connected with the differential, output shafts on the left side and the right side of the differential respectively penetrate through the longitudinal rib plate and are connected with the half shaft through universal joints, and the outer end portions of the half shaft are respectively connected with the rear driving wheel.

Preferably, the rear suspension system component comprises an upper pull rod, a rear suspension lower swing arm and a rear suspension shock absorber, the upper pull rod and the rear suspension lower swing arm are respectively arranged at the upper end and the lower end of the half shaft, the side wall of the longitudinal rib plate is provided with a rear suspension mounting plate corresponding to the positions of the upper pull rod and the rear suspension lower swing arm, the inner ends of the upper pull rod and the rear suspension lower swing arm are respectively hinged with the upper end and the lower end of the rear suspension mounting plate, a bearing seat is mounted on the half shaft, a fixing frame is arranged outside the bearing seat, the outer end of the upper pull rod is hinged with the top end of the fixing frame, the outer end of the rear suspension lower swing arm is respectively hinged with the bottoms of the left side and the right side of the fixing frame, the rear suspension shock absorbers are respectively obliquely arranged at the front side and the rear side of the upper pull rod, the top end of the rear suspension shock absorber is respectively hinged with the top end of the rear suspension mounting plate, and the outer end of the rear suspension shock absorber is respectively hinged with the front side and the rear side of the outer end of the rear suspension lower swing arm.

Preferably, in order to receive the striking back at the target, the target can realize and carry the separation between the tray, thereby reduce the collision force to the target and the damage that the test vehicle body led to the fact, the target fixed block is "round platform shape", the bottom of target fixed block is provided with first recess, be provided with magnet in the first recess, the top of apron and the position department of corresponding of target fixed block are provided with the second recess, be provided with the iron plate in the second recess, it is fixed that the actuation between magnet and the iron plate, the target fixed block is provided with the perpendicular groove that runs through by its middle part to its side, the bottom of target fixed block still is provided with the draw-in groove with perpendicular groove bottom intercommunication, the width of draw-in groove is greater than the width of perpendicular groove.

Preferably, for fine protection delivery tray, four corners of bottom plate all are provided with the fillet, and the periphery border of bottom plate all coats the elasticity safe edge.

Preferably, in order to reduce the consumptive material and carry out the lightweight design, the cross-section of horizontal rib and vertical rib all is "trapezoidal" and the base is down.

Preferably, in order to conveniently and fixedly install the transverse rib plate and the longitudinal rib plate, the bottom ends of the transverse rib plate and the longitudinal rib plate are respectively provided with an insertion block, the top end of the bottom plate is respectively provided with an insertion hole corresponding to the position of the insertion block, the insertion blocks are respectively inserted and fixed in the insertion holes, the top end of the transverse rib plate is provided with a first insertion groove, the bottom end of the longitudinal rib plate is provided with a second insertion groove corresponding to the position of the first insertion groove, the transverse rib plate and the longitudinal rib plate are inserted and fixed at the position where the first insertion groove and the second insertion groove are arranged, the contact part of the transverse rib plate and the bottom plate, the contact part of the longitudinal rib plate and the bottom plate, the contact part of the transverse rib plate and the longitudinal rib plate, and the contact part of the cover plate, the transverse rib plate and the longitudinal rib plate are further fixed through glue in an adhesion mode.

Preferably, in order to improve the bearing strength of horizontal floor and vertical floor, the outer peripheral edges of bottom plate still are provided with floor additional strengthening, floor additional strengthening is including setting up four reinforcing plates all around the bottom plate respectively and setting up the angle of reinforcement piece at four corners of bottom plate and connecting two adjacent reinforcing plates respectively, both ends are connected with the reinforcing plate respectively about both ends and the vertical floor about horizontal floor, the angle of reinforcement piece is quarter circular structure, two right-angle sides of angle of reinforcement piece inboard are connected with adjacent horizontal floor and vertical floor respectively.

The invention has the following advantages:

(1) The carrying tray disclosed by the invention is integrally designed to be flat in shape and adopting a trapezoidal platform body structure, the structure is simple, the design is reasonable, the bottom plate, the transverse rib plates, the longitudinal rib plates and the cover plate are all made of composite fiber plate materials, the structural mechanical property is strong, the carrying tray can bear high-strength pressure rolling, daily vehicle rolling can be easily coped with, the weight is light, the size is small, the insulativity is good, the heat resistance is strong, the carrying tray is safe to use, and the carrying tray has the advantage of light weight;

(2) The trapezoidal platform body structure shape design of the carrying tray is beneficial to buffering the suspension of a tested vehicle and reducing the impact on the tested vehicle when collision and rolling occur in the testing process, meanwhile, a front steering wheel of the carrying tray is provided with a front suspension system component, a rear driving wheel is provided with a rear suspension system component, and the heights of the front suspension system component and the rear suspension system component can be adjusted according to the terrain, so that the carrying tray runs smoothly, jolts are reduced, and the safety of the carrying tray and internal parts of the carrying tray can be well protected;

(3) According to the invention, the top end of the cover plate is provided with the target object fixing block, and the target object is fixed in a way of attracting the magnet and the iron block, so that the rapid separation of the target object and the carrying tray can be realized, and the damage to the target object and the detected vehicle is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention without a cover plate;

FIG. 2 is a top view of the present invention without the cover plate installed;

FIG. 3 is a schematic view of a transverse rib structure;

FIG. 4 is a schematic view of a longitudinal rib structure;

FIG. 5 is a schematic view of a bottom plate and a rib plate reinforcement structure;

FIG. 6 is a schematic view of steering system components and front suspension system components;

FIG. 7 is a top view of the steering system components and front suspension system components;

FIG. 8 is a schematic view of the drive system assembly and rear suspension system assembly;

FIG. 9 is a schematic structural view of the present invention;

FIG. 10 is a bottom view of the target fixing block;

FIG. 11 is a schematic structural view of the present invention without the target fixing block installed;

fig. 12 is a schematic view of a target support rod.

In the figure: 1. a base plate; 11. elastic protecting edges; 12. a transverse rib plate; 121. a first slot; 13. a longitudinal rib; 131. a second slot; 132. a front suspension mounting plate; 133. a rear suspension mounting plate; 14. a jack; 15. a through hole; 16. a positioning module; 17. a communication module; 18. a power supply module; 19. a cover plate; 191. a second groove; 2. inserting a block; 3. a rib plate reinforcing structure; 31. a reinforcing plate; 32. reinforcing the corner blocks; 4. a front steering wheel; 5. a steering system component; 51. a steering engine; 52. a steering engine swing arm; 53. a drag link; 54. a knuckle arm; 55. a knuckle; 551. a connecting shaft; 6. a front suspension system component; 61. an upper swing arm of the front suspension; 62. a front suspension lower swing arm; 63. a front suspension damper; 7. a rear drive wheel; 8. a drive system component; 81. a drive motor; 82. a differential mechanism; 83. a half shaft; 831. a bearing seat; 832. a fixed mount; 9. a rear suspension system component; 91. an upper pull rod; 92. a rear suspension lower swing arm; 93. a rear suspension damper; 10. fixing the target object; 101. a first groove; 102. a vertical slot; 103. a card slot; 100. a magnet; 110. an iron block; 120. a target support rod; 1201. and a limiting clamping block.

Detailed Description

The following examples are given for the detailed implementation and the specific operation procedures, but the scope of the present invention is not limited to the following examples.

Example 1

Embodiment 1 discloses a carrying tray for a target object for automatic driving test, as shown in fig. 1 and 2, the carrying tray comprises a bottom plate 1, wherein four corners of the bottom plate 1 are provided with round corners, the outer peripheral edge of the bottom plate 1 is coated with elastic protecting edges 11, the elastic protecting edges 11 can be made of elastic materials such as rubber and foam, and when the carrying tray collides with a foreign object, the carrying tray can buffer collision force and play a role in protecting the carrying tray;

as shown in fig. 1 and 2, the top end of the bottom plate 1 is provided with a transverse rib plate 12 and a longitudinal rib plate 13 which are criss-cross, as shown in fig. 1, 3, 4 and 5, the cross sections of the transverse rib plate 12 and the longitudinal rib plate 13 are both in a trapezoidal shape, the bottom edges of the transverse rib plate 12 and the longitudinal rib plate 13 are downward, the bottom ends of the transverse rib plate 12 and the longitudinal rib plate 13 are both provided with an insert block 2, the top end of the bottom plate 1 and the position of the insert block 2 are respectively provided with an insert hole 14, the insert blocks 2 are respectively inserted and fixed in the insert holes 14, the top end of the transverse rib plate 12 is provided with a first insert groove 121, the bottom end of the longitudinal rib plate 13 and the position of the first insert groove 121 are respectively provided with a second insert groove 131, and the transverse rib plate 12 and the longitudinal rib plate 13 are inserted and fixed to each other at the positions where the first insert groove 121 and the second insert groove 131 are provided; as shown in fig. 1 and 5, a rib plate reinforcing structure 3 is further arranged on the outer periphery of the bottom plate 1, the rib plate reinforcing structure 3 includes four reinforcing plates 31 respectively arranged on the periphery of the bottom plate 1 and reinforcing corner blocks 32 arranged on four corners of the bottom plate 1 and respectively connected with two adjacent reinforcing plates 31, the left and right ends of the transverse rib plate 12 and the left and right ends of the longitudinal rib plate 13 are respectively connected with the reinforcing plates 31, the reinforcing corner blocks 32 are of a quarter-circle structure, two right-angle sides of the inner side of each reinforcing corner block 32 are respectively connected with the adjacent transverse rib plate 12 and the adjacent longitudinal rib plate 13, the left and right sides of the front end of the bottom plate 1 and the left and right sides of the rear end of the bottom plate 1 are respectively provided with a through hole 15, the criss-cross transverse rib plates 12 and the longitudinal rib plates 13 surround a rib plate lattice above the through holes 15, front steering wheels 4 are respectively arranged in the two through holes 15 on the left and right sides of the front end of the bottom plate 1, the bottom ends of the front steering wheels 4 exceed the bottom plate 1, a steering system assembly 5 is further arranged in the middle of the front end of the bottom plate 1, and the left and right ends of the steering system assembly 5 are respectively connected with front steering wheels 4 on the left and right sides;

as shown in fig. 1 and 2, front suspension system components 6 are respectively arranged in rib grids above through holes at the left and right sides of the front end of the bottom plate 1, the front suspension system components 6 are respectively installed on the side walls of longitudinal rib plates 13, and the outer ends of the front suspension system components 6 are respectively connected with the left and right ends of a steering system component 5;

as shown in fig. 1 and 2, rear driving wheels 7 are respectively arranged in through holes 15 on the left and right sides of the rear end of a bottom plate 1, the bottom ends of the rear driving wheels 7 exceed the bottom end of the bottom plate 1, a driving system component 8 is arranged in the middle of the rear end of the bottom plate 1, the left and right ends of the driving system component 8 are respectively connected with the rear driving wheels 7 on the left and right sides, rear suspension system components 9 are respectively arranged in rib grids above the through holes on the left and right sides of the rear end of the bottom plate 1, the rear suspension system components 9 are respectively installed on the side walls of a longitudinal rib plate 3, and the outer ends of the rear suspension system components 9 are respectively connected with the left and right ends of the driving system components 8;

as shown in fig. 1, 6 and 7, the steering system component 5 comprises a steering engine 51, a steering engine swing arm 52, a drag link 53, a knuckle arm 54 and a knuckle 55, the steering engine 51 is fixedly arranged at the top end of the bottom plate 1, the output end of the steering engine 51 is connected with the steering engine swing arm 52, the drag link 53 is respectively arranged at the left side and the right side of the bottom of the steering engine swing arm 52, the inner ends of the drag links 53 at the two sides are respectively hinged with the left side and the right side of the bottom of the steering engine swing arm 52, the outer end of the drag link 53 is respectively hinged with the knuckle arm 54 by penetrating through a longitudinal rib plate 13, the knuckle arm 54 is respectively fixedly connected with the knuckle 55, and the front steering wheels 4 at the left side and the right side are respectively rotatably connected with the knuckle 55;

as shown in fig. 1, 6 and 7, the front suspension system assembly 6 includes a front suspension upper swing arm 61, a front suspension lower swing arm 62 and a front suspension damper 63, the front suspension upper swing arm 61 and the front suspension lower swing arm 62 are respectively disposed at the upper and lower sides of the knuckle 55, a front suspension mounting plate 132 is disposed on the side wall of the longitudinal rib 13 corresponding to the positions of the front suspension upper swing arm 61 and the front suspension lower swing arm 62, the inner ends of the front suspension upper swing arm 61 and the front suspension lower swing arm 62 are respectively hinged to the upper and lower ends of the front suspension mounting plate 132, the upper and lower ends of the knuckle 55 are respectively provided with a connecting shaft 551, the outer ends of the front suspension upper swing arm 61 and the front suspension lower swing arm 62 are respectively rotatably connected to the connecting shaft 551, the front suspension damper 63 is respectively disposed at the front and rear sides of the front suspension upper swing arm 61, the top end of the front suspension damper 63 is respectively hinged to the top end of the front suspension mounting plate 132, and the bottom end of the front suspension damper 63 is respectively hinged to the front and rear sides of the outer end of the front suspension lower swing arm 62;

as shown in fig. 1 and 8, the driving system assembly 8 includes a driving motor 81, a differential 82 and half shafts 83, the driving motor 81 is longitudinally installed at the top end of the bottom plate 1, the axis of the driving motor 81 is perpendicular to the axis of the rear driving wheel 7, the output end of the driving motor 81 is connected with the differential 82, the output shafts at the left and right sides of the differential 82 respectively penetrate through the longitudinal rib 13 and are connected with the half shafts 83 through universal joints, and the outer end portions of the half shafts 83 are respectively connected with the rear driving wheel 7;

as shown in fig. 1 and 8, the rear suspension system assembly 9 includes an upper pull rod 91, a rear suspension lower swing arm 92 and a rear suspension damper 93, the upper pull rod 91 and the rear suspension lower swing arm 92 are respectively disposed at the upper and lower ends of the half shaft 83, the side wall of the longitudinal rib 13 is provided with a rear suspension mounting plate 133 at the position corresponding to the upper pull rod 91 and the rear suspension lower swing arm 92, the inner ends of the upper pull rod 91 and the rear suspension lower swing arm 92 are respectively hinged to the upper and lower ends of the rear suspension mounting plate 133, the half shaft 83 is provided with a bearing seat 831, the outer portion of the bearing seat 831 is provided with a fixed mount 832, the outer end of the upper pull rod 91 is hinged to the top end of the fixed mount 832, the outer ends of the rear suspension lower swing arm 92 are respectively hinged to the bottoms of the left and right sides of the fixed mount 832, the rear suspension damper 93 is respectively disposed at the front and rear sides of the upper pull rod 91 in an inclined manner, the top end of the rear suspension damper 93 is respectively hinged to the top end of the rear suspension mounting plate 133, and the outer ends of the rear suspension damper 93 are respectively hinged to the front and rear side of the rear suspension lower swing arm 92;

as shown in fig. 1 and 2, the top end of the bottom plate 1 is further provided with a positioning module 16, a communication module 17 and a power module 18, the positioning module 16, the communication module 17 and the power module 18 are all located in a rib plate lattice formed by surrounding of the transverse rib plate 12 and the longitudinal rib plate 13, and the positioning module 16 is used for sensing position information of the carrying tray and achieving an automatic driving function; the communication module 17 is used for transmitting and receiving instructions between the carrying tray and a computer or a mobile phone, and the communication module 17 is also in communication connection with the positioning module 16, the steering engine 51 and a controller of the driving motor 81; the power module 18 is electrically connected with the positioning module 16, the communication module 17, the steering engine 51 and the driving motor 81; the positioning module 16, the communication module 17, and the power module 18 all belong to the prior art, and therefore, detailed descriptions of specific structures, working principles, and mutual communication of the positioning module, the communication module, and the power module are not given in the text and the drawings of the present application, and the omission of the detailed descriptions does not affect understanding of the technical scheme of the present application;

as shown in fig. 9, a cover plate 19 is further disposed at the top end of the bottom plate 1, and the bottom plate 1, the transverse rib plates 12, the longitudinal rib plates 13 and the cover plate 19 are all made of composite fiber plate materials, which are light in weight, good in mechanical property, strong in bearing capacity, and light in weight; the cover plate 19 is covered outside the transverse rib plate 12 and the longitudinal rib plate 13, the cover plate 19 is in a hollow quadrangular frustum pyramid shape, the contact part of the transverse rib plate 12 and the bottom plate 1, the contact part of the longitudinal rib plate 13 and the bottom plate 1, the contact part of the transverse rib plate 12 and the longitudinal rib plate 13 and the contact part of the cover plate 19 and the transverse rib plate 12 and the longitudinal rib plate 13 are bonded and fixed through glue, the top end of the cover plate 19 is provided with a target object fixing block 10, and specifically, the target object fixing block 10 is in a circular frustum shape; as shown in fig. 10, a first groove 101 is formed at the bottom end of the target fixing block 10, and a magnet 100 is disposed in the first groove 101; as shown in fig. 11, a second groove 191 is formed at a position corresponding to the target object fixing block 10 at the top end of the cover plate 19, an iron block 110 is arranged in the second groove 191, and the magnet 100 and the iron block 110 are attracted and fixed; as shown in fig. 9 and 10, a vertical groove 102 is formed through the target object fixing block 10 from the middle to the side edge thereof, a clamping groove 103 communicated with the bottom of the vertical groove 102 is further formed in the bottom end of the target object fixing block 10, the width of the clamping groove 103 is larger than that of the vertical groove 102, and the target object fixing block 10 is used for fixedly mounting a target object.

Claims

1. A carrying tray for an object for automatic driving test, comprising a bottom plate, characterized in that:

the bottom plate is characterized in that transverse rib plates and longitudinal rib plates which are crisscrossed are arranged at the top end of the bottom plate, through holes are formed in the left side and the right side of the front end of the bottom plate and the left side and the right side of the rear end of the bottom plate, rib plate grids are formed by enclosing the transverse rib plates and the longitudinal rib plates which are crisscrossed above the through holes, front steering wheels are arranged in the two through holes in the left side and the right side of the front end of the bottom plate respectively, the bottom ends of the front steering wheels exceed the bottom end of the bottom plate, a steering system assembly is further arranged in the middle of the front end of the bottom plate, and the left end and the right end of the steering system assembly are connected with the front steering wheels in the left side and the right side respectively;

front suspension system components are respectively arranged in the rib plate lattices above the through holes on the left side and the right side of the front end of the bottom plate, the front suspension system components are respectively installed on the side walls of the longitudinal rib plates, and the outer ends of the front suspension system components are respectively connected with the left end and the right end of the steering system component;

rear driving wheels are respectively arranged in the through holes on the left side and the right side of the rear end of the bottom plate, the bottom ends of the rear driving wheels exceed the bottom end of the bottom plate, a driving system assembly is arranged in the middle of the rear end of the bottom plate, the left end and the right end of the driving system assembly are respectively connected with the rear driving wheels on the left side and the right side, rear suspension system assemblies are respectively arranged in the rib plate lattices above the through holes on the left side and the right side of the rear end of the bottom plate, the rear suspension system assemblies are respectively arranged on the side walls of the longitudinal rib plates, and the outer ends of the rear suspension system assemblies are respectively connected with the left end and the right end of the driving system assemblies;

the top end of the bottom plate is also provided with a positioning module, a communication module and a power module, the positioning module, the communication module and the power module are all positioned in a rib plate lattice formed by the transverse rib plates and the longitudinal rib plates in a surrounding mode, and the positioning module is used for sensing position information of the carrying tray and achieving the function of automatic driving; the communication module is used for transmitting and receiving instructions between the carrying tray and a computer or a mobile phone, and is also in communication connection with the positioning module, the steering system assembly and the driving system assembly; the power module is electrically connected with the positioning module, the communication module, the steering system assembly and the driving system assembly;

the top of bottom plate still is provided with the apron, bottom plate, horizontal floor, longitudinal rib with the apron all adopts composite fiber board material to make, the apron cover is established horizontal floor with the outside of longitudinal rib, the apron is inside hollow "four arriss platform shape", the top of apron is provided with the target object fixed block.

2. The carrying tray for the target object for the automatic driving test as claimed in claim 1, wherein the steering system assembly comprises a steering engine, a steering engine swing arm, a drag link, a knuckle arm and a knuckle, the steering engine is fixedly arranged at the top end of the bottom plate, the output end of the steering engine is connected with the steering engine swing arm, the drag link is respectively arranged on the left side and the right side of the bottom of the steering engine swing arm, the inner ends of the drag link on the two sides are respectively hinged with the left side and the right side of the bottom of the steering engine swing arm, the outer end of the drag link penetrates through the longitudinal rib plate and is hinged with the knuckle arm, the knuckle arm is respectively fixedly connected with the knuckle, and the front steering wheels on the left side and the right side are respectively rotatably connected with the knuckle.

3. The tray of claim 2, wherein the front suspension system assembly comprises an upper front suspension swing arm, a lower front suspension swing arm, and front suspension dampers, the upper front suspension swing arm and the lower front suspension swing arm are respectively disposed at upper and lower sides of the knuckle, a front suspension mounting plate is disposed on a side wall of the longitudinal rib plate corresponding to positions of the upper front suspension swing arm and the lower front suspension swing arm, inner ends of the upper front suspension swing arm and the lower front suspension swing arm are respectively hinged to upper and lower ends of the front suspension mounting plate, upper and lower ends of the knuckle are respectively provided with a connecting shaft, outer ends of the upper front suspension swing arm and the lower front suspension swing arm are respectively rotatably connected to the connecting shaft, the front suspension dampers are respectively disposed at front and rear sides of the upper front suspension swing arm in an inclined manner, top ends of the front suspension dampers are respectively hinged to top ends of the front suspension mounting plate, and bottom ends of the front suspension dampers are respectively hinged to front and rear sides of the lower front suspension swing arm.

4. The carrier tray for the target object for the automatic driving test as claimed in claim 1, wherein the driving system assembly comprises a driving motor, a differential and half shafts, the driving motor is longitudinally mounted on the top end of the bottom plate, the axis of the driving motor is perpendicular to the axis of the rear driving wheel, the output end of the driving motor is connected with the differential, the output shafts on the left side and the right side of the differential respectively penetrate through the longitudinal rib plates and are connected with the half shafts through universal joints, and the outer ends of the half shafts are respectively connected with the rear driving wheel.

5. The tray as claimed in claim 4, wherein the rear suspension system assembly includes an upper rod, a rear suspension lower swing arm and a rear suspension damper, the upper rod and the rear suspension lower swing arm are respectively disposed at the upper and lower ends of the half shaft, a rear suspension mounting plate is disposed at a position corresponding to the positions of the upper rod and the rear suspension lower swing arm on the side wall of the longitudinal rib, inner ends of the upper rod and the rear suspension lower swing arm are respectively hinged to the upper and lower ends of the rear suspension mounting plate, bearing seats are mounted on the half shaft, a fixed frame is disposed outside the bearing seats, an outer end of the upper rod is hinged to a top end of the fixed frame, outer ends of the rear suspension lower swing arm are respectively hinged to bottoms of the left and right sides of the fixed frame, the rear suspension damper is respectively disposed at the front and rear sides of the upper rod, a top end of the rear suspension damper is respectively hinged to a top end of the rear suspension mounting plate, and outer ends of the rear suspension damper are respectively hinged to the front and rear sides of the rear suspension mounting plate.

6. The object carrying tray for the automatic test of the driving as claimed in claim 1, wherein the object fixing block is "truncated cone", a first groove is formed at a bottom end of the object fixing block, a magnet is disposed in the first groove, a second groove is formed at a position corresponding to a position of the object fixing block at a top end of the cover plate, an iron block is disposed in the second groove, the magnet and the iron block are fixed in an attracting manner, a vertical groove penetrating through the object fixing block is formed from a middle portion of the object fixing block to a side edge of the object fixing block, a clamping groove communicated with a bottom of the vertical groove is further formed at a bottom end of the object fixing block, and a width of the clamping groove is larger than a width of the vertical groove.

7. The carrier tray for the object for the automatic driving test as recited in claim 1, wherein the bottom plate has rounded corners at four corners, and the bottom plate has an elastic protective edge at an outer peripheral edge thereof.

8. The carrier pallet for objects for autopilot testing as claimed in claim 1, wherein said transverse ribs and said longitudinal ribs are each "trapezoidal" in cross section with their base side down.

9. The carrying tray for the target object for the automatic driving test as recited in claim 1, wherein the bottom ends of the transverse rib and the longitudinal rib are provided with insertion blocks, the top end of the bottom plate is provided with insertion holes corresponding to the insertion blocks, the insertion blocks are inserted and fixed into the insertion holes, the top end of the transverse rib is provided with a first insertion groove, the bottom end of the longitudinal rib and the first insertion groove are provided with a second insertion groove, the transverse rib and the longitudinal rib are inserted and fixed to each other at positions where the first insertion groove and the second insertion groove are provided, and a contact portion of the transverse rib and the bottom plate, a contact portion of the longitudinal rib and the bottom plate, a contact portion of the transverse rib and the longitudinal rib, and a contact portion of the cover plate and the transverse rib and the longitudinal rib are fixed by gluing.

10. The carrying tray for the target object used for the automatic driving test as claimed in claim 1, wherein the bottom plate is further provided with rib plate reinforcing structures at the outer periphery, the rib plate reinforcing structures comprise four reinforcing plates respectively arranged at the periphery of the bottom plate and reinforcing corner blocks arranged at four corners of the bottom plate and respectively connected with two adjacent reinforcing plates, the left and right ends of the transverse rib plate and the left and right ends of the longitudinal rib plate are respectively connected with the reinforcing plates, the reinforcing corner blocks are of a quarter round structure, and two right-angle sides at the inner side of each reinforcing corner block are respectively connected with the adjacent transverse rib plate and the adjacent longitudinal rib plate.