CN216783682U

CN216783682U - Installation chassis, chassis assembly and unmanned vehicle

Info

Publication number: CN216783682U
Application number: CN202123432847.1U
Authority: CN
Inventors: 杨艇; 温海军
Original assignee: Guangzhou Xaircraft Technology Co Ltd
Current assignee: Guangzhou Xaircraft Technology Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-21
Anticipated expiration: 2031-12-30

Abstract

The application provides an installation chassis, chassis assembly and unmanned car, the installation chassis includes: the bottom shell comprises a main body part and a mounting part connected with the main body part and used for mounting the wheel shaft, wherein the mounting part comprises a bottom wall and an outer side wall connected to one side of the bottom wall, which is far away from the main body part, and the outer side wall is provided with a shaft hole for the wheel shaft to penetrate through; the support frame comprises a fixing part, a first vertical plate with a first mounting hole and a second vertical plate with a second mounting hole, and the first vertical plate and the second vertical plate are fixed on the fixing part at intervals; the supporting frame is installed on the inner side, facing the main body portion, of the outer side wall, the fixing portion is connected to the bottom wall, the first mounting hole and the second mounting hole are aligned to the shaft hole, and therefore the wheel shaft can penetrate through the shaft hole, the first mounting hole and the second mounting hole to be installed. The application provides a technical scheme can improve the stability of shaft installation to effectively prevent the drain pan deformation.

Description

Installation chassis, chassis assembly and unmanned vehicle

Technical Field

The application relates to the technical field of unmanned vehicles, in particular to an installation chassis, a chassis assembly and an unmanned vehicle.

Background

With the development of technology, unmanned vehicles have been widely used in the fields of agriculture, industry, plant protection, and the like, and various operation actuators are mounted on unmanned vehicles to enable operations such as spraying of chemicals, seeds, and dusts.

In the prior art, the unmanned vehicle comprises an installation underframe, and the wheel shaft of the wheel is usually and directly installed on the installation underframe, but the unmanned vehicle has a severe operation environment and is complex in stress in the wheel walking process, so that the problems of unstable wheel walking, deformation of the installation underframe and even bending of the wheel shaft can be generally caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an installation chassis, a chassis assembly and an unmanned vehicle, so as to solve the problems of unstable wheel walking and deformation of the installation chassis in the prior art.

In order to achieve the above object, the present application provides a mounting chassis including:

the bottom shell comprises a main body part and a mounting part connected with the main body part and used for mounting a wheel shaft, wherein the mounting part comprises a bottom wall and an outer side wall connected to one side of the bottom wall, which is far away from the main body part, and a shaft hole for penetrating the wheel shaft is formed in the outer side wall;

the supporting frame comprises a fixing part, a first vertical plate with a first mounting hole and a second vertical plate with a second mounting hole, and the first vertical plate and the second vertical plate are fixed on the fixing part at intervals;

the supporting frame is mounted on the inner side, facing the main body, of the outer side wall, the fixing portion is connected to the bottom wall, and the first mounting hole and the second mounting hole are aligned to the shaft hole, so that the wheel shaft can pass through the shaft hole, the first mounting hole and the second mounting hole to be mounted.

Optionally, a reinforcing plate is disposed on the bottom wall, and the fixing portion, the reinforcing plate and the bottom wall are connected together.

Optionally, the first vertical plate is fixedly connected with the outer side wall through a fastener.

Optionally, a first reinforcing plate surrounding the shaft hole is arranged on the inner side of the outer side wall, and the first vertical plate is abutted against the first reinforcing plate and fixed; and/or a second reinforcing plate surrounding the shaft hole is arranged on the outer side of the outer side wall.

Optionally, the mounting portion further includes an inner side wall on a side of the bottom wall close to the main body portion, the bottom wall, the outer side wall and the inner side wall form a U-shaped structure, and the support frame is located in the U-shaped structure.

Optionally, the relative both sides of main part are provided with respectively the installation department, every side the installation department is provided with at least two along length direction interval the shaft hole corresponds every the shaft hole is provided with respectively the support frame.

According to another aspect of the present application, there is also provided a chassis assembly, comprising: the wheel shaft, a transmission mechanism for driving the wheel shaft to rotate and the installation chassis are arranged;

the wheel shaft penetrates through the shaft hole, the first mounting hole and the second mounting hole of the mounting underframe, and the transmission mechanism comprises a driving wheel which is mounted on the wheel shaft and is positioned between the first vertical plate and the second vertical plate of the support frame.

Optionally, the driving wheel is a driven sprocket, and the transmission mechanism further includes a driving sprocket and a chain wound around the driven sprocket and the driving sprocket.

Optionally, the chassis assembly further includes a bearing, the bearing is disposed in the first mounting hole and the second mounting hole of the support frame, and the wheel axle is mounted through the bearing.

According to still another aspect of the present application, there is also provided an unmanned vehicle, comprising wheels, a power mechanism and a chassis assembly as described above;

the power mechanism is connected with the transmission mechanism to provide power for the transmission mechanism through the power mechanism, and the wheels are connected with the wheel shafts of the chassis assembly to be driven by the wheel shafts to rotate.

Among the technical scheme that this application provided, set up the support frame on the drain pan and install the shaft, the support frame not only can strengthen the rigidity of drain pan, the power that receives in the wheel walking process is born the back by the support frame in addition on the drain pan, reduce the concentrated atress of drain pan, can prevent effectively that the drain pan atress from warping, support the stability that the shaft can also improve the shaft installation through support frame 2, do benefit to the life who improves the ability that unmanned car went under abominable road conditions and unmanned car.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

fig. 1 is a schematic structural view of a mounting base frame according to an embodiment of the present application (a base frame is separated from a supporting frame);

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural view of a support stand according to an embodiment of the present application;

FIG. 4 is a schematic view of a portion of the structure of an unmanned vehicle;

fig. 5 is an enlarged view of fig. 4 at B.

Description of the reference numerals

1-a bottom shell; 11-a body portion; 12-a mounting portion; 121-bottom wall; 122-an inner side wall; 123-an outer side wall; 124-shaft hole; 125-a first stiffener plate; 126-a second stiffener plate; 2-a support frame; 21-a first vertical plate; 211 — a first mounting hole; 22-a second riser; 221-a second mounting hole; 23-a stationary part; 3-wheel shaft; 4-a driven sprocket; 5-a drive sprocket; 6-a chain; 7-vehicle wheels.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In the present application, the embodiments and the features of the embodiments may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application. The term "inside" and "outside" refer to the inside and the outside of the contour of each member itself.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Unmanned vehicle is used in fields such as agricultural, industry, plant protection usually, and the wheel walking environment is abominable, for the stability that improves the wheel walking, can install the wheel on the better installation chassis of rigidity, but, the better installation chassis of rigidity is comparatively heavy usually, does not conform to present requirement of subtracting weight, and if the installation chassis is frivolous then the wheel installation is unstable, and the installation chassis is yielding.

In view of the above, the present application provides a mounting chassis, as shown in fig. 1 to 3, including:

the bottom shell 1 comprises a main body part 11 and a mounting part 12 connected with the main body part 11 and used for mounting a wheel axle, wherein the mounting part 12 comprises a bottom wall 121 and an outer side wall 123 connected to one side of the bottom wall 121 far away from the main body part 11, and a shaft hole 124 for penetrating the wheel axle is formed in the outer side wall 123;

the supporting frame 2 comprises a fixing part 23, a first vertical plate 21 with a first mounting hole 211 and a second vertical plate 22 with a second mounting hole 221, wherein the first vertical plate 21 and the second vertical plate 22 are fixed on the fixing part 23 at intervals;

the support frame 2 is mounted on the inner side of the outer side wall 123 facing the main body 11, the fixing portion 23 is connected to the bottom wall 121, and the first mounting hole 211 and the second mounting hole 221 are coaxial with the shaft hole 124, so that the axle can pass through the shaft hole 124, the first mounting hole 211 and the second mounting hole 221.

In application, the axle is installed in the axle hole 124 of the outer side wall 123 and the first installation hole 211 and the second installation hole 221 of the support frame 2, the driving wheel for driving the axle to rotate is installed between the first vertical plate 21 and the second vertical plate 22 of the support frame 2, and the end of the axle extending out of the outer side wall 123 is connected with the wheel.

According to the technical scheme, the supporting frame 2 is arranged on the bottom shell 1 to install the wheel shaft, the supporting frame 2 can enhance the rigidity of the bottom shell 1, and the force applied to the wheels in the walking process is borne by the supporting frame 2 and then is dispersed on the bottom shell 1, so that the concentrated stress of the bottom shell 1 is reduced, and the bottom shell 1 can be effectively prevented from being stressed and deformed; the wheel shaft is supported by the support frame 2, so that the stability of wheel shaft installation can be improved, and the driving capacity of the unmanned vehicle under severe road conditions and the service life of the unmanned vehicle can be improved.

In one embodiment, a reinforcing plate is provided on the bottom wall 121 of the mounting portion 12, and the fixing portion 23 of the supporting frame 2, the reinforcing plate, and the bottom wall 121 are connected together. Set up the reinforcing plate and can just play the reinforcing action to diapire 121, can avoid support frame 2 to remove to produce wearing and tearing to diapire 121 between vibrations in-process and diapire 121 moreover. The reinforcing plate is preferably a metal plate which is good in rigidity and strong in wear resistance.

In one embodiment, the first vertical plate 21 of the supporting frame 2 is fixed on the outer sidewall 123 by a fastener, that is, the fixing portion 23 of the bottom of the supporting frame 2 is fixed on the bottom wall 121 below, and at the same time, the first vertical plate 21 of one side is fixed on the outer sidewall 123, so that the installation stability of the supporting frame 2 can be improved.

In one embodiment, a first reinforcing plate 125 surrounding the shaft hole 124 can be further disposed on the inner side of the outer side wall 123, and the first vertical plate is fixed against the first reinforcing plate; a second reinforcing plate 126 surrounding the shaft hole 124 may be further provided outside the outer sidewall 123. The first reinforcing plate 125 and the second reinforcing plate 126 can increase the rigidity of the outer sidewall 123 and prevent the outer sidewall 123 from deforming under a force.

The technical solution provided in the present application is described in detail below according to one embodiment.

As shown in fig. 1, the bottom case 1 includes a main body portion 1 and mounting portions 12 located at two sides of the main body portion 11, the mounting portions 12 include a bottom wall 121 and an outer side wall 123 located at one side of the bottom wall 121 far from the main body portion 11, the mounting portions 12 further include an inner side wall 122 located at one side of the bottom wall 121 close to the main body portion 11, the bottom wall 121, the outer side wall 123 and the inner side wall 122 form a U-shaped structure, and the supporting frame 2 is located in the U-shaped structure.

The outer sidewall 123 is provided with a shaft hole 124, a first reinforcing plate 125 surrounding the shaft hole 124 is provided on the inner side of the outer sidewall 123, and a second reinforcing plate 126 surrounding the shaft hole 124 is provided on the outer side of the outer sidewall 123, so that the outer sidewall 123 has sufficient deformation preventing capability.

At least two shaft holes 124 are formed in the mounting portion 12 on each side of the main body portion 11 of the bottom case 1 at intervals along the length direction, and a support frame 2 is arranged corresponding to each shaft hole 124. That is, at least two wheels are mounted on each side of the bottom case 1, and each of the wheels is mounted on the bottom case 1 through the support frame 2. Here, a lateral direction from one side to the other side of the bottom case 1 is defined as a width direction, and a lateral direction perpendicular to the width direction is the length direction.

In this embodiment, the bottom wall 121, the inner side plate 122 and the outer side plate 123 of the mounting portion 12 on each side are surrounded to form an accommodating cavity with an upward opening, and the accommodating cavity can be used for accommodating a transmission mechanism for driving the wheel axle to rotate. As shown in fig. 4, transmission mechanisms for driving the wheels 4 on two opposite sides of the bottom shell 1 are respectively disposed on two opposite sides of the bottom shell, and the transmission mechanisms are sprocket mechanisms accommodated in the accommodating cavities of the mounting portions 12, wherein, as shown in fig. 5, the driven sprocket 4 for driving the wheel axle 3 to rotate in the sprocket mechanisms is mounted on the wheel axle 3 and located between the first vertical plate 21 and the second vertical plate 22.

In this embodiment, drain pan 1 is through the integrated into one piece that moulds plastics, and injection moulding's drain pan is light, can improve waterproof ability moreover to do benefit to and reduce the assemble duration, improve production efficiency. The support frame 2 is arranged on the injection molding bottom shell 1 to install the wheel shaft, so that the defects that the injection molding part is easy to deform and the wheel shaft cannot be stably installed can be overcome.

According to another aspect of the present application, there is also provided a chassis assembly, as shown in fig. 4 and 5, including: the wheel shaft 3, a transmission mechanism for driving the wheel shaft 3 to rotate and the installation chassis are arranged;

the wheel shaft 3 passes through the shaft hole 124 of the mounting underframe, the first mounting hole 211 and the second mounting hole 221 for mounting, and the transmission mechanism comprises a driving wheel which is mounted on the wheel shaft 3 and is positioned between the first vertical plate 21 and the second vertical plate 22 of the support frame 2.

In one embodiment, the drive wheel is a driven sprocket 4, and the transmission further comprises a drive sprocket 5 and a chain 6 wound around the driven sprocket 4 and the drive sprocket 5. When the motor drives the driving chain wheel 5 to rotate, the chain 6 runs to drive the driven chain wheel 4 to rotate, and the driven chain wheel 4 drives the wheel shaft 3 to rotate. It is to be understood that the transmission mechanism is not limited to the sprocket mechanism, and may be, for example, a gear mechanism, but the sprocket mechanism is more compact than the gear mechanism.

In one embodiment, the chassis assembly further includes bearings, and the bearings are respectively disposed in the first mounting hole 211 and the second mounting hole 221 of the support frame 2, and the axle 3 is mounted through the bearings, so that the axle 3 is rotationally stable and flexible.

According to still another aspect of the present application, there is also provided an unmanned vehicle comprising wheels 7, a power mechanism, and a chassis assembly as described above.

The power mechanism is connected with the transmission mechanism to provide power for the transmission mechanism through the power mechanism, and the wheels 7 are connected with the wheel shafts 3 of the chassis assembly to drive the wheels 7 to rotate through the wheel shafts 3.

The application provides an unmanned vehicle, the wheel is good at walking in-process stability, and long service life can walk under abominable road conditions.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A mounting chassis, comprising:

2. The mounting chassis of claim 1, wherein a stiffener is disposed on the bottom wall, and the fixing portion, the stiffener, and the bottom wall are connected together.

3. The mounting chassis of claim 1, wherein the first riser is fixedly coupled to the outer sidewall with a fastener.

4. The mounting chassis of claim 3, wherein the inner side of the outer side wall is provided with a first reinforcing plate surrounding the shaft hole, and the first vertical plate is fixed against the first reinforcing plate; and/or a second reinforcing plate surrounding the shaft hole is arranged on the outer side of the outer side wall.

5. The mounting chassis of claim 1, wherein the mounting portion further includes an inner side wall on a side of the bottom wall proximate the body portion, the bottom wall, the outer side wall, and the inner side wall forming a U-shaped structure, the support bracket being positioned within the U-shaped structure.

6. The mounting chassis according to any one of claims 1 to 5, wherein the mounting portions are respectively provided at opposite sides of the main body portion, the mounting portion at each side is provided with at least two shaft holes at intervals in a length direction, and the support frame is respectively provided corresponding to each shaft hole.

7. A chassis assembly, comprising: a wheel axle, a transmission mechanism driving the wheel axle to rotate, and a mounting chassis according to any one of claims 1-6;

8. The chassis assembly of claim 7, wherein the drive wheel is a driven sprocket, and the transmission further comprises a drive sprocket and a chain trained around the driven sprocket and the drive sprocket.

9. The floor assembly of claim 7 or 8, further comprising a bearing, the bearing being disposed in each of the first and second mounting holes of the support bracket, the axle being mounted through the bearing.

10. An unmanned vehicle comprising wheels, a power mechanism and a chassis assembly according to any of claims 7-9;