CN216562244U

CN216562244U - Lunar rover for teaching

Info

Publication number: CN216562244U
Application number: CN202220014503.4U
Authority: CN
Inventors: 高峻岭; 杨帅
Original assignee: Mars Camp Beijing Education Technology Co ltd
Current assignee: Mars Camp Beijing Education Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-05-17
Anticipated expiration: 2032-01-04

Abstract

The lunar rover comprises a chassis, wherein the chassis comprises a front axle, a rear axle, a front wheel drive assembly, a rear wheel drive assembly and a connecting main beam, the front wheel drive assembly is arranged close to the front axle and drives a front wheel to rotate, the rear wheel drive assembly is arranged close to the rear axle and drives a rear wheel to rotate, the connecting main beam is connected between the front axle and the rear axle, and the connecting main beam is a telescopic structure beam; the frame, the frame includes the front truck board, back truck board and middle flexible truck board, the front truck board sets up in the front axle top, the back truck board sets up in the rear axle top, middle flexible truck board is connected between front truck board and back truck board, flexible truck board is flexible in the middle of the flexible drive through connecting the girder, and then change whole lunar rover at its ascending size in walking direction, and then can change the volume of lunar rover as required, change the flexibility of lunar rover, especially improve the flexibility that changes the lunar rover when turning to as required.

Description

Lunar rover for teaching

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to a lunar rover for teaching.

Background

The lunar vehicle is a special vehicle which can run on the surface of the moon and complete complex tasks such as lunar exploration, investigation and analysis. At present, more and more astronautic science and technology enthusiasts pay attention to the exploration condition of the moon, and the astronautic knowledge is popularized in practical teaching by schools and extraclass development education, for example, a rabbit lunar vehicle is one of the innovations of China on lunar exploration plans. In order to enable middle school students to understand the structure of the lunar rover and achieve the purpose of explaining science popularization, the conventional lunar rover for teaching is still in a scaling model of the lunar rover, so that students can only understand some functions and purposes in an abstract mode, the lunar rover is not easy to understand, and the good teaching effect cannot be achieved. The lunar rover has the advantages that the lunar rover is simple in structure, functional modules are arranged on simple frame bodies, the size of the lunar rover is single and fixed, and the size of the lunar rover can not be changed according to occasion requirements to meet the use requirements of multiple occasions.

SUMMERY OF THE UTILITY MODEL

This application is too simple and the volume size is fixed in order to solve current teaching lunar rover structure, can not require to change its size according to multiple occasion and satisfy the problem that needs use, this application designs a lunar rover for teaching, and its specifically adopted technical scheme is:

a lunar vehicle for teaching, comprising:

the chassis comprises a front axle, a rear axle, a front wheel drive assembly, a rear wheel drive assembly and a connecting main beam, wherein the front wheel drive assembly is arranged close to the front axle and drives the front wheel to rotate, the rear wheel drive assembly is arranged close to the rear axle and drives the rear wheel to rotate, the connecting main beam is connected between the front axle and the rear axle, and the connecting main beam is a telescopic structure beam;

the frame, frame include preceding sweep, back sweep and middle flexible sweep, and preceding sweep sets up in the front axle top, and the back sweep sets up in the rear axle top, and middle flexible sweep is connected between preceding sweep and back sweep.

Preferably, connect the girder and set up two, two connect the girder and lie in the both sides setting of the perpendicular bisector of front axle and rear axle.

Preferably, each connecting main beam comprises two sections of sub-beams, one end of each section of sub-beam is correspondingly connected with the front axle and the rear axle, one section of sub-beam is provided with an accommodating cavity along the length direction of the sub-beam, a telescopic cylinder is arranged in the accommodating cavity, the cylinder body end of the telescopic cylinder is connected with the sub-beam, the telescopic rod end is connected with one end of the other section of sub-beam, and one end of the sub-beam connected with the telescopic rod extends into the accommodating cavity.

Preferably, the middle telescopic sweep includes two telescopic links and connects the folding piece between two telescopic links, and one of them telescopic link is connected between the left side edge of preceding sweep and the left side edge of back sweep, and another telescopic link is connected between the right edge of the right side edge of preceding sweep and back sweep, and the folding piece corresponds in the both ends of flexible direction and connects in the both ends of telescopic link, and the folding piece corresponds in the both ends of flexible direction still is connected with preceding sweep and back sweep.

Preferably, two slide rails are further arranged on the upper surface of the rear vehicle plate in the direction perpendicular to the perpendicular bisector of the front axle and the rear axle, the two slide rails are arranged in parallel at intervals, a seat is arranged on the two slide rails in a sliding mode, a plurality of threaded holes are formed in the two slide rails respectively, and each threaded hole is connected with a puller bolt in an internal thread mode.

Preferably, the rear vehicle plate extends upwards to form a fixing frame, the fixing frame is located behind the seat, a box body is hung on the fixing frame, a hook is arranged on the side face of the box body, the box body is hung on the fixing frame through the hook, the box body is provided with a lower cavity and an upper cavity, a partition plate is arranged between the upper cavity and the lower cavity, the lower cavity is used for storing the battery, and the upper cavity is used for containing the maintenance tool.

Preferably, the rear vehicle plate is vertically provided with an installation frame, the installation frame is provided with an operation screen, and the operation screen is positioned in front of the seat.

Preferably, still include the camera, the camera sets up in preceding sweep through adjusting the pole, adjusts the pole and includes connecting rod and lower connecting rod, and lower connecting rod is hollow structure and sets up in preceding sweep perpendicularly, goes up in the connecting rod inserts down the connecting rod, and the lateral wall of lower connecting rod is equipped with rectangular shape hole, and the lateral wall of going up the connecting rod is equipped with the threaded rod, and the threaded rod passes long rectangular shape jogged joint and has the nut.

According to the utility model, the chassis is set in a mode that the front axle and the rear axle are driven separately, the connecting main beam is arranged between the front axle and the rear axle and is telescopic, in addition, the middle telescopic vehicle plate on the frame is matched with the connecting main beam, when the connecting main beam is telescopic, the telescopic movement of the middle telescopic vehicle plate is promoted, so that the size of the whole lunar vehicle in the walking direction is changed, the volume of the lunar vehicle can be changed as required, the flexibility of the lunar vehicle is changed, and particularly the flexibility of the lunar vehicle in steering is improved as required.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional top view at A-A of FIG. 1;

fig. 3 is an enlarged view at I in fig. 1.

In the figure, 1, a chassis, 101, a front axle, 102, a front wheel drive assembly, 103, a rear axle, 104, a rear wheel drive assembly, 2, a front wheel, 3, a rear wheel, 4, a connecting main beam, 401, a sub-beam, 402, a containing cavity, 403, a telescopic cylinder, 5, a frame, 501, a front vehicle plate, 502, a middle telescopic vehicle plate, 502a, a folding sheet, 502b, a telescopic rod, 503, a rear vehicle plate, 6, a camera, 7, an adjusting rod, 701, an upper connecting rod, 702, a long strip-shaped hole, 703, a nut, 704, a threaded rod, 705, a lower connecting rod, 8, an operation screen, 9, a seat, 10, a fixed frame, 11, a hook, 12, a box body, 1201, an upper cavity, 1202, a partition plate, 1203, a lower cavity, 13, a sliding rail, 14, a threaded hole, 15 and a jacking bolt.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 3, a lunar vehicle for teaching comprises a chassis 1 and a frame 5. The chassis 1 comprises a front axle 101, a rear axle 103, a front wheel driving assembly 102, a rear wheel driving assembly 104 and a connecting main beam 4, wherein two ends of the front axle 101 are correspondingly connected with two front wheels 2, two ends of the rear axle 103 are correspondingly connected with two rear wheels 3, the front wheel driving assembly 102 is arranged close to the front axle 101, specifically, the front wheel driving assembly is arranged on the front axle 101 and integrated with the front axle 101 to drive the front wheels 2 to rotate; the rear wheel drive assembly 104 is disposed near the rear axle 103, specifically, on the rear axle 103 and integrated with the rear axle 103 to drive the rear wheel 3 to rotate, and a connecting main beam 4 is further connected between the front axle 101 and the rear axle 103, the connecting main beam 4 is a telescopic structural beam, and the distance between the front axle 101 and the rear axle 103 can be adjusted by the extension and contraction of the connecting main beam 4.

The frame 5 comprises a front board 501, a rear board 503 and a middle telescopic board 502, the front board 501 is arranged above the front axle 101 and connected with the front axle 101, the rear board 503 is arranged above the rear axle 103 and connected with the rear axle 103, the middle telescopic board 502 is connected between the front board 501 and the rear board 503, the middle telescopic board 502 is telescopic to change the distance between the front board 501 and the rear board 503, the middle telescopic board 502 is passively telescopic, when the main beam 4 is connected to be telescopic, the middle telescopic board 502 is driven to be telescopic, the middle telescopic board 502 is matched with the main beam 4 to change the size of the lunar rover in the traveling direction of the lunar rover as a whole, so that the whole size of the lunar rover is changed, and the size of the lunar rover is changed according to the use condition, so that the maneuvering flexibility of the lunar rover is changed, especially the flexibility when the lunar rover turns.

Furthermore, the two connecting main beams 4 are arranged, and the two connecting main beams 4 are arranged on two sides of the perpendicular bisector between the front axle 101 and the rear axle 103, that is, one connecting main beam 4 is connected between the left end of the front axle 101 and the left end of the rear axle 103, and the other connecting main beam 4 is connected between the right end of the front axle 101 and the right end of the rear axle 103. When two connect the girder 4 flexible, its flexible action is synchronous, and so set up two and connect girder 4 and be in order to make two connect girder 4 and front axle 101, form the quadrangle between rear axle 103, when rear axle 103 and front axle 101 are close to each other or keep away from each other, guarantee that the distance between the both ends of front axle 101 and rear axle 103 is equal basically, also can reduce because of the distance that the structure inaccuracy of connecting girder 4 causes the both ends of front axle 101 and rear axle 103 to differ greatly, cause the relatively poor problem of depth of parallelism effect between rear axle 103 and front axle 101.

Further, as for the structure of the connecting main beam 4, the structure specifically includes two sections of sub-beams 401, one ends of the two sections of sub-beams 401 are respectively and correspondingly connected with the front axle 101 and the rear axle 103, in this embodiment, the sub-beam 401 connected with the front axle 101 has an accommodating cavity 402 along the length direction thereof, a telescopic cylinder 403 is arranged in the accommodating cavity 402, the telescopic cylinder 403 here preferably adopts an electric cylinder, the electric cylinder is easy to install, operate and implement, the cylinder end of the electric cylinder is connected with the sub-beam 401, the end of the telescopic rod 502b is connected with one end of the other section of sub-beam 401, and one end of the sub-beam 401 connected with the telescopic rod 502b extends into the accommodating cavity 402. By extension and contraction of the electric cylinder, a section of the sub-beam 401 is relatively moved in the sub-beam 401 having the receiving cavity 402, thereby changing the distance between the front axle 101 and the rear axle 103.

Further, the structure of the middle retractable board 502 specifically includes two retractable rods 502b and a folding piece 502a connected between the two retractable rods 502b, the two retractable rods 502b are mechanical multi-stage retractable rods in the prior art, one of the retractable rods 502b is connected between the left edge of the front board 501 and the left edge of the rear board 503, the other retractable rod 502b is connected between the right edge of the front board 501 and the right edge of the rear board 503, the two ends of the folding piece 502a in the retractable direction are correspondingly connected to the two ends of the retractable rod 502b, and the two ends of the folding piece 502a in the retractable direction are correspondingly connected to the front board 501 and the rear board 503, where the structure of the folding piece 502a is similar to the structure of the flexible connection-retractable joint of the existing lengthened car, the existence of the folding piece 502a can meet the retractable requirement and can also be used as a part of the car frame 5, the folding piece 502a and the telescopic rod 502b are driven to passively extend and retract under the extension and retraction driving of the main beam 4, and the change of the volume of the whole lunar vehicle is realized.

Furthermore, two slide rails 13 are further arranged on the upper surface of the rear board 503 in a direction perpendicular to the perpendicular bisector of the front axle 101 and the rear axle 103, the two slide rails 13 are arranged in parallel at intervals, the seat 9 is arranged on the two slide rails 13 in a sliding manner, so that the slide rails 13 are arranged, the seat 9 is arranged on the seat 9 in a sliding manner, in order to add or reduce the arrangement number of the seat 9 on the slide rails 13 according to the requirement, of course, if the seat 9 is operated remotely, the seat 9 can be completely detached from the slide rails 13 in an unmanned manner, and the position of the slide rails 13 can also provide an installation space for installing other functional modules. The locking of the seat 9 on the slide rails 13 is realized through puller bolts 15, specifically, a plurality of threaded holes 14 are respectively formed in the two slide rails 13, the threaded holes 14 are arranged at intervals along the length direction of the slide rails 13, a puller bolt 15 is connected to each threaded hole 14 in an internal thread manner, the supporting legs of the seat 9 are arranged in the slide rails 13 in a sliding manner, and when the seat is adjusted to a proper position, the puller bolts 15 tightly push the supporting legs of the seat 9 to fix the seat.

Further, a fixing frame 10 extends upwards from the rear vehicle board 503, the fixing frame 10 is located behind the seat 9, a box body 12 is hung on the fixing frame 10, a hanging mode is set here, so that the box body 12 can be conveniently mounted and dismounted, a specific connection mode is that a hook 11 is arranged on the side surface of the box body 12, and the box body 12 is hung on the fixing frame 10 through the hook 11. The box body 12 has a lower cavity 1203 and an upper cavity 1201, a partition plate 1202 is arranged between the upper cavity 1201 and the lower cavity 1203, the lower cavity 1203 is used for storing batteries, the upper cavity 1201 is used for containing maintenance tools, the batteries in the lower cavity 1203 are not easy to open, so that the batteries are placed in the lower cavity 1203 and are separated from the upper cavity 1201 through the partition plate 1202, the upper cavity 1201 is used for containing the maintenance tools, so that the batteries are often opened or used, and therefore the batteries are arranged and stored in the upper cavity 1201 and are convenient to take and place.

Further, when the lunar rover has someone to drive, be equipped with the mounting bracket perpendicularly at back sweep 503, be equipped with operation screen 8 on the mounting bracket, operation screen 8 is located the place ahead of seat 9, operation screen 8 sets up the back sweep 503 that lies in seat 9 with, this is for the operating personnel on the seat 9 of the convenience manipulates operation screen 8, not only remote control realizes unmanned driving when unmanned, when seat 9 has someone, can also realize someone through operation screen 8 and operate driving, realize the switching of multiple mode.

Further, the lunar vehicle further comprises a camera 6 besides the above components, and the camera 6 is used for detecting a front obstacle, acquiring a front obstacle signal, and providing signal support for starting and stopping and turning of the lunar vehicle. The camera 6 is arranged on the front vehicle board 501 through the adjusting rod 7, the adjusting rod 7 comprises an upper connecting rod 701 and a lower connecting rod 705, the lower connecting rod 705 is of a hollow structure and is vertically arranged on the front vehicle board 501, the upper connecting rod 701 is inserted into the lower connecting rod 705, the side wall of the lower connecting rod 705 is provided with a long-strip-shaped hole 702, the side wall of the upper connecting rod 701 is provided with a threaded rod 704, and the threaded rod 704 penetrates through the long-strip-shaped hole 702 to be connected with a nut 703. When the height of the camera 6 needs to be adjusted, the nut 703 is loosened, the upper connecting rod 701 is operated by hands to move relative to the lower connecting rod 705, the height of the camera 6 is adjusted to a proper position, and then the nut 703 is tightened to fix the upper connecting rod 701.

The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.

The present invention is not described in detail, but is known to those skilled in the art.

Claims

1. A lunar vehicle for teaching, comprising:

the chassis comprises a front axle, a rear axle, a front wheel drive assembly, a rear wheel drive assembly and a connecting main beam, wherein the front wheel drive assembly is arranged close to the front axle and drives a front wheel to rotate, the rear wheel drive assembly is arranged close to the rear axle and drives a rear wheel to rotate, the connecting main beam is connected between the front axle and the rear axle, and the connecting main beam is a telescopic structure beam;

the frame, the frame includes preceding sweep, back sweep and middle flexible sweep, preceding sweep set up in the front axle top, back sweep set up in the rear axle top, middle flexible sweep connect in between preceding sweep and the back sweep.

2. The lunar vehicle for teaching according to claim 1, wherein there are two main connecting beams, and the two main connecting beams are disposed on two sides of the perpendicular bisector of the front axle and the rear axle.

3. The lunar rover for teaching as claimed in claim 1 or 2, wherein each of the connecting main girders includes two sections of sub-girders, one ends of the two sections of sub-girders are correspondingly connected with the front axle and the rear axle, one section of the sub-girder has an accommodating cavity along a length direction thereof, a telescopic cylinder is arranged in the accommodating cavity, a cylinder body end of the telescopic cylinder is connected with the sub-girder, a telescopic rod end is connected with one end of the other section of the sub-girder, and one end of the sub-girder connected with the telescopic rod extends into the accommodating cavity.

4. The lunar rover for teaching as claimed in claim 1, wherein the middle retractable board comprises two retractable rods and a folding piece connected between the two retractable rods, one of the retractable rods is connected between the left edge of the front board and the left edge of the rear board, the other retractable rod is connected between the right edge of the front board and the right edge of the rear board, the two ends of the folding piece in the retractable direction are correspondingly connected to the two ends of the retractable rods, and the two ends of the folding piece in the retractable direction are correspondingly connected with the front board and the rear board.

5. The lunar rover for teaching as claimed in claim 1, wherein the upper surface of the rear board is further provided with two slide rails in a direction perpendicular to a perpendicular bisector of the front axle and the rear axle, the two slide rails are arranged in parallel and spaced, a seat is slidably arranged on the two slide rails, the two slide rails are respectively provided with a plurality of threaded holes, and each threaded hole is internally threaded with a puller bolt.

6. The lunar rover for teaching as claimed in claim 5, wherein the rear board extends upward to form a fixed mount, the fixed mount is located behind the seat, a box body is hung on the fixed mount, a hook is arranged on a side face of the box body, the box body is hung on the fixed mount through the hook, the box body is provided with a lower cavity and an upper cavity, a partition plate is arranged between the upper cavity and the lower cavity, the lower cavity is used for storing a battery, and the upper cavity is used for containing maintenance tools.

7. The lunar vehicle for teaching as claimed in claim 5 or 6, wherein the rear vehicle plate is vertically provided with a mounting frame, the mounting frame is provided with an operation screen, and the operation screen is positioned in front of the seat.

8. The lunar rover for teaching as claimed in claim 1, further comprising a camera, wherein the camera is disposed on the front rover plate through an adjusting rod, the adjusting rod comprises an upper connecting rod and a lower connecting rod, the lower connecting rod is of a hollow structure and is vertically disposed on the front rover plate, the upper connecting rod is inserted into the lower connecting rod, a long hole is formed in a side wall of the lower connecting rod, a threaded rod is disposed on a side wall of the upper connecting rod, and the threaded rod penetrates through the long hole and is connected with a nut.