CN219524029U

CN219524029U - Expandable frame structure for unmanned cleaning vehicle

Info

Publication number: CN219524029U
Application number: CN202221507373.4U
Authority: CN
Inventors: 孟奇
Original assignee: Hefei Yilu Automobile Technology Co ltd; Intelligent Manufacturing Institute of Hefei University Technology
Current assignee: Hefei Yilu Automobile Technology Co ltd; Intelligent Manufacturing Institute of Hefei University Technology
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2023-08-15
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses an expandable frame structure for an unmanned cleaning vehicle, which comprises a universal frame and an expandable frame, wherein the universal frame comprises two wheels and a universal frame assembly, and the expandable frame comprises a three-wheel expandable frame and a four-wheel expandable frame; the end part of the universal frame assembly is provided with two universal interfaces, the three-wheeled expansion frame is provided with a first expansion interface which is screwed with the universal interface, and the four-wheeled expansion frame is provided with a second expansion interface which is screwed with the universal interface. The frame is divided into the two parts of the universal frame and the expansion frame through the split frame design, and the whole frame is formed through the design of a specific clamping screw connection structure.

Description

Expandable frame structure for unmanned cleaning vehicle

Technical Field

The utility model relates to the technical field of unmanned cleaning vehicles, in particular to an expandable frame structure for an unmanned cleaning vehicle.

Background

At present, unmanned cleaning vehicles are favored in that they can be used for cleaning in specific areas such as parks and scenic spots due to high trafficability caused by a small vehicle structure. The wheels of the unmanned cleaning vehicle are generally arranged in two types, namely three-wheel type (front and back) and four-wheel type (front and back), and the unmanned cleaning vehicle has different advantages and disadvantages for different structural types. The three-wheel type cleaning side brush assembly is arranged, two side brushes can be directly arranged on the left side and the right side of a single front wheel, so that single-wheel steering of the front wheel can be realized, space is saved to arrange the cleaning side brush assembly on the left side, the front side and the front side, and the cleaning side brush assembly is convenient to realize and simple in structure. The steering system has the defects of larger front axle load, poor steering flexibility, common steering of three wheels by using a rack, and poor control precision, thus bringing higher requirements on unmanned steering control. The four-wheel type arrangement can keep the steering flexibility of the traditional vehicle, and the most critical is that the performance and the shape of the four-wheel vehicle are not affected, and the four-wheel type design can be expanded into an unmanned four-wheel vehicle with any functional form, so that the unmanned four-wheel vehicle has higher plasticity. The disadvantage is also evident that in order to provide sufficient space for the installation of the side brushes, it is relatively difficult to arrange the side brushes with a lengthened front suspension or with a sufficiently large wheelbase.

The frame of the existing three-wheel or four-wheel cleaning vehicle is integrated, so that the universality is poor, the switching between three wheels and four wheels cannot be realized, and the use flexibility is low.

Disclosure of Invention

The utility model aims to provide an expandable frame structure for an unmanned cleaning vehicle, which is used for solving the technical problems in the background technology.

The technical scheme of the utility model relates to an expandable frame structure for an unmanned cleaning vehicle, which comprises a universal frame and an expandable frame, wherein the universal frame comprises two wheels and a universal frame assembly, and the expandable frame comprises a three-wheel expandable frame and a four-wheel expandable frame;

the end part of the universal frame assembly is provided with two universal interfaces, the three-wheeled expansion frame is provided with a first expansion interface which is screwed with the universal interface, and the four-wheeled expansion frame is provided with a second expansion interface which is screwed with the universal interface.

In a preferred embodiment, the three-wheeled expansion vehicle frame comprises a wheel and a first frame assembly, and the first expansion interface is arranged on the first frame assembly; the four-wheel type expansion frame comprises two wheels and a second frame assembly, and the second expansion interface is arranged on the second frame assembly.

In a preferred embodiment, the universal interface comprises a recess, a fixing plate is arranged in the middle of the recess, and fixing holes are arranged on the fixing plate.

In a preferred embodiment, the first expansion interface comprises two first side plates inserted into the notch and spliced with the notch, the two first side plates are clamped on two sides of the fixing plate, fixing holes are formed in the first side plates, and the first side plates are connected with the fixing plate through bolts.

In a preferred embodiment, the second expansion interface comprises two second side plates inserted into the notch and spliced with the notch, the two second side plates are clamped on two sides of the fixing plate, fixing holes are formed in the second side plates, and the second side plates are connected with the fixing plate through bolts.

The technical scheme of the utility model has the beneficial effects that:

the frame is divided into the two parts of the universal frame and the expansion frame through the split frame design, and the whole frame is formed through the design of a specific clamping screw connection structure.

Drawings

Figure 1 is a schematic view of a general frame structure of the utility model,

figure 2 is a schematic diagram of the three-wheeled expanded frame structure of the utility model,

figure 3 is a schematic diagram of a four-wheel type expansion frame structure of the utility model,

FIG. 4 is a diagram of the installation structure of the universal frame and the three-wheeled expansion frame of the utility model,

FIG. 5 is a block diagram of the universal frame and four-wheeled extension frame of the present utility model.

Reference numerals illustrate: the vehicle comprises a general frame 1, a general frame assembly 2, wheels 3, a three-wheeled expansion frame 4, a first frame assembly 5, a four-wheeled expansion frame 6, a second frame assembly 7, a general interface 8, a notch 9, a fixing plate 10, a first expansion interface 11, a first side plate 12, a second expansion interface 13, a second side plate 14, a fixing hole 15 and bolts 16.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the present utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

As shown in fig. 1-5, the technical scheme of the utility model provides an expandable frame structure for an unmanned cleaning vehicle, which comprises a universal frame 1 and an expandable frame, wherein the universal frame 1 comprises two wheels 3 and a universal frame assembly 2, and the expandable frame comprises a three-wheeled expandable frame 4 and a four-wheeled expandable frame 6. The general frame 1 can be provided with general cleaning equipment, and mainly comprises a main cleaning brush lifting assembly, a fan assembly, a cleaning track assembly, a garbage storage trailer assembly and other components. The general frame 1, the three-wheeled expansion frame 4 and the four-wheeled expansion frame 6 can be spliced and fixed, and can realize the switching between three wheels and four wheels, thereby increasing the flexibility of the use of the frame.

The end part of the universal frame assembly 2 is provided with two universal interfaces 8, the three-wheeled expansion frame 4 is provided with a first expansion interface 11 which is in clamping and screwing with the universal interfaces 8, and the four-wheeled expansion frame 6 is provided with a second expansion interface 13 which is in clamping and screwing with the universal interfaces 8. The universal interface 8 is matched with the first expansion interface 11 and the second expansion interface 13, so that the clamping and screwing can be realized, and the disassembly is convenient.

The three-wheeled expansion vehicle frame 4 comprises a wheel 3 and a first frame assembly 5, and the first expansion interface 11 is arranged on the first frame assembly 5. The four-wheel expanding frame 6 comprises two wheels 3 and a second frame assembly 7, and a second expanding interface 13 is arranged on the second frame assembly 7.

The universal interface 8 comprises a notch 9, a fixing plate 10 is arranged in the middle of the notch 9, and a fixing hole 15 is arranged on the fixing plate 10. The notch 9 is used for realizing clamping work, and the fixing plate 10 is used for realizing the fixation of the expanding frame and the universal frame 1.

The first expansion interface 11 comprises two first side plates 12 which are inserted into the notch 9 and spliced with the notch 9, the two first side plates 12 are clamped on two sides of the fixed plate 10, the first side plates 12 are also provided with fixing holes 15, and the first side plates 12 are connected with the fixed plate 10 through bolts 16. When the three-wheeled cleaning vehicle is required to be configured, the first expansion interface 11 on the three-wheeled expansion vehicle frame 4 is in butt joint with the notch 9, at the moment, the two first side plates 12 are clamped at the two sides of the fixed plate 10, and then the two first side plates 12 are fixed with the fixed plate 10 through the bolts 16.

The second expansion interface 13 comprises two second side plates 14 which are inserted into the notch 9 and spliced with the notch 9, the two second side plates 14 are clamped at two sides of the fixed plate 10, the second side plates 14 are also provided with fixing holes 15, and the second side plates 14 are connected with the fixed plate 10 through bolts 16. When the four-wheel cleaning vehicle is required to be configured, the second expansion interface 13 on the four-wheel expansion vehicle frame 6 is in butt joint with the notch 9, at the moment, the two second side plates 14 are clamped at the two sides of the fixing plate 10, and then the two second side plates 14 are fixed with the fixing plate 10 through bolts 16.

The three-wheel type expansion frame 4 and the four-wheel type expansion frame 6 can be quickly spliced and installed with the universal frame 1, so that the working efficiency is greatly improved while the use requirement is met.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. A can extend frame structure for unmanned cleaning vehicle, its characterized in that: the vehicle comprises a general vehicle frame and an expansion vehicle frame, wherein the general vehicle frame comprises two wheels and a general frame assembly, and the expansion vehicle frame comprises a three-wheel expansion vehicle frame and a four-wheel expansion vehicle frame;

2. An expandable frame structure for an unmanned cleaning vehicle according to claim 1, wherein: the three-wheeled expansion frame comprises a wheel and a first frame assembly, and the first expansion interface is arranged on the first frame assembly; the four-wheel type expansion frame comprises two wheels and a second frame assembly, and the second expansion interface is arranged on the second frame assembly.

3. An expandable frame structure for an unmanned cleaning vehicle according to claim 2, wherein: the universal interface comprises a notch, a fixing plate is arranged in the middle of the notch, and a fixing hole is formed in the fixing plate.

4. A scalable frame structure for an unmanned cleaning vehicle according to claim 3, wherein: the first expansion interface comprises two first side plates which are inserted into the notch and spliced with the notch, the two first side plates are clamped on two sides of the fixing plate, fixing holes are formed in the first side plates, and the first side plates are connected with the fixing plate through bolts.

5. A scalable frame structure for an unmanned cleaning vehicle according to claim 3, wherein: the second expansion interface comprises two second side plates which are inserted into the notch and spliced with the notch, the two second side plates are clamped on two sides of the fixing plate, fixing holes are formed in the second side plates, and the second side plates are connected with the fixing plate through bolts.