CN220680847U

CN220680847U - Telescopic device for cleaning robot

Info

Publication number: CN220680847U
Application number: CN202322058454.1U
Authority: CN
Inventors: 方亚昆
Original assignee: Snegrid Electric Technology Co ltd
Current assignee: Snegrid Electric Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-03-29
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a telescopic device for a cleaning robot, which comprises a fixed arm and a telescopic arm which can move relative to the fixed arm, wherein a sliding component which can move relative to the fixed arm under the drive of external force is arranged between the fixed arm and the telescopic arm; the telescopic arm is used for moving the fixed arm and the telescopic arm relatively. The telescopic device for the cleaning robot solves the problems of complex structure, low speed, low precision, large noise and the like in power transmission, adopts a servo motor direct drive electric cylinder mode to serve as the power transmission of a telescopic structure, and has a simple structure; the running speed can be low and high; the servo motor has high precision and small noise.

Description

Telescopic device for cleaning robot

Technical Field

The application relates to the technical field of telescopic devices, in particular to a telescopic device for a cleaning robot.

Background

Solar photovoltaic, a renewable clean energy source, has become an important force in the energy revolution today. Along with the accumulation of the service time of the photovoltaic panel, dirt such as wind sand, dust and the like is easy to accumulate on the surface of the solar photovoltaic panel. The photoelectric conversion efficiency of the photovoltaic panel is reduced, the highest conversion efficiency of the photovoltaic panel assembly can be reduced by 40% -60%, and huge loss is caused; therefore, various cleaning robots are currently available in photovoltaic power stations, and in order to adjust the cleaning range of the cleaning brush, the cleaning robot is additionally provided with a telescopic device, and the telescopic power of the conventional telescopic device adopts a chain sprocket, a hydraulic cylinder or the like. The structures of the modes are complex, and the volume is large; the running speed is low; the noise is large.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present application is to provide a telescopic device for a cleaning robot, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a telescopic device for a cleaning robot comprises a fixed arm and a telescopic arm which can move relative to the fixed arm, wherein a sliding component which can move relative to the fixed arm under the drive of external force is arranged between the fixed arm and the telescopic arm;

the telescopic arm is used for moving the fixed arm and the telescopic arm relatively.

As the preferred embodiment of the scheme, the fixed arm is provided with an installation groove with one open end along the length direction, the telescopic arm is movably inserted on the installation groove, and one end of the telescopic arm extends out of the installation groove and is used for supporting the cleaning robot.

As the preferred embodiment of the scheme, the sliding component comprises at least one linear guide rail fixedly arranged at the lower end of the telescopic arm and a plurality of sliding blocks which are slidably arranged on the linear guide rail, and the sliding blocks are fixed on the inner bottom wall of the fixed arm.

As the preferred embodiment of the scheme, the driving assembly is a servo electric cylinder, the tail part of the servo electric cylinder is arranged at the top part of one side of the fixed arm far away from the telescopic arm, and the head part of the servo electric cylinder is arranged on the middle section of the telescopic arm, which is positioned outside the mounting groove.

As the preferred embodiment of the scheme, the middle section of the telescopic arm outside the mounting groove is fixedly sleeved with the protruding part, the top of which extends upwards, so that the servo cylinder head is convenient to connect.

As the preferred embodiment of the scheme, the side wall of the sliding block, which is close to the linear guide rail, is provided with a plurality of balls which form rolling friction with the linear guide rail, and the balls are distributed in a row along the advancing direction of the linear guide rail.

In the preferred embodiment, the upper end surface of the fixed arm is connected with a mounting cover for protecting the servo motor cylinder cover.

Compared with the prior art, the utility model has the beneficial effects that: the telescopic device for the cleaning robot solves the problems of complex structure, low speed, low precision, large noise and the like in power transmission, adopts a servo motor direct drive electric cylinder mode to serve as the power transmission of a telescopic structure, and has a simple structure; the running speed can be low and high; the servo motor has high precision and small noise.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 with the mounting cap removed;

FIG. 3 is a schematic perspective view of a sliding assembly according to the present utility model;

FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present utility model;

fig. 5 is a perspective view of the telescopic structure of the present utility model applied to a cleaning robot.

Reference numerals illustrate: a fixed arm 1, a telescopic arm 2, a linear guide rail 3, a sliding block 4 and a servo electric cylinder 5.

Detailed Description

Other advantages and effects of the present application will be readily apparent to those skilled in the art from the present disclosure, by describing embodiments of the present application with specific examples. This application is also intended to cover any adaptations or uses of various embodiments and can be practiced in different but specific details of the subject matter within the scope of the description and from various points of view. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

Referring to fig. 1-5, the present utility model provides a technical solution:

the utility model provides a cleaning robot is with telescoping device, as shown in fig. 1-2, includes fixed arm 1 and flexible arm 2, and fixed arm 1 has seted up one end along length direction and is open mounting groove, and flexible arm 2 activity is pegged graft on the mounting groove, and outside the one end of flexible arm 2 extends the mounting groove for support cleaning robot.

Preferably, the fixing arm 1 is close to one end of the mounting groove and is integrally connected with a plurality of protruding blocks along two sides of the length direction, and the protruding blocks are used for improving the self structural strength of the fixing arm.

The telescopic device further comprises a sliding component, the sliding component is arranged between the fixed arm 1 and the telescopic arm 2, and when the fixed arm 1 and the telescopic arm 2 can move relatively under the driving of external force.

As shown in fig. 3 and 4, the sliding assembly comprises at least one linear guide rail 3 fixedly installed at the lower end of the telescopic arm 2 and a plurality of sliding blocks 4 slidably installed on the linear guide rail 3, and the sliding blocks 4 are fixed on the inner bottom wall of the fixed arm 1. Specifically, the number of the linear guide rails 3 can be two, the two linear guide rails 3 are arranged in parallel along the length direction of the telescopic arm 2, and three sliding blocks 4 which are arranged in an equidistant row are connected to each linear guide rail 3 in a sliding manner.

It should be noted that, the side wall of the sliding block 4 leaning against the linear guide rail 3 is provided with a plurality of balls forming rolling friction with the linear guide rail 3, and the balls are distributed in a row along the advancing direction of the linear guide rail 3, and the sliding block adopts a rolling friction mode, so that the sliding block has small friction resistance, can realize ten thousand times of movement, does not need to be replaced, and has small volume and high precision.

The telescopic device further comprises a driving assembly for driving the fixed arm 1 and the telescopic arm 2 to move relatively, specifically, as shown in fig. 2, the driving assembly is a servo electric cylinder 5, the tail of the servo electric cylinder 5 is arranged at the top of one side of the fixed arm 1 away from the telescopic arm 2, the head of the servo electric cylinder 5 is arranged on the middle section of the telescopic arm 2 outside the mounting groove, when the servo electric cylinder 5 works, the head of the servo electric cylinder 5 moves to drive the telescopic arm 2 to move, and the telescopic arm 2 moves relative to the fixed arm 1, so that the telescopic function is realized, and the aim of adjusting the cleaning rolling brush position on the cleaning robot is fulfilled.

The servo motor and the electric cylinder are installed as a whole, the servo motor moves to drive the electric cylinder to move, and the electric cylinder drives the telescopic arm 2 to move back and forth in the fixed arm 1. The structure is simple, and the occupied volume is small; because the control precision of the servo motor is high, the output precision of the whole servo motor cylinder is also high; the rotating speed of the servo motor is high, the response time of the whole servo motor cylinder is short, and the running speed is high. Meanwhile, the running noise is low.

Preferably, the middle section of the telescopic arm 2 outside the mounting groove is fixedly sleeved with a protruding part with the top extending upwards, so that the telescopic arm is convenient to be connected with the head of the servo electric cylinder 5.

Preferably, as shown in fig. 1, an installation cover for covering the servo cylinder 5 is connected to the upper end surface of the fixed arm 1 to protect the servo cylinder 5 from dust.

In this embodiment, the telescopic device is specifically applied to the cleaning robot, as shown in fig. 5, the cleaning robot includes a vehicle body capable of driving to run, a mechanical arm for adjusting the azimuth and a cleaning brush are installed on the vehicle body, the telescopic device is installed between the mechanical arm and the cleaning brush, specifically, the fixed arm 1 is hinged to the top of the mechanical arm, the cleaning brush is hinged to one end of the telescopic arm 2 located outside the installation groove, the telescopic device realizes the movement adjustment of the cleaning brush position, a cylinder for driving the cleaning brush to swing relative to the telescopic arm 2 is also installed on the cleaning brush, the fixed end of the cylinder can be installed on the protruding portion on the telescopic arm 2, and the movable end is installed on the cleaning brush.

The above-described embodiments are merely illustrative of the principles of the present application and their effectiveness, and are not intended to limit the present application. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications and variations which a person having ordinary skill in the art would accomplish without departing from the spirit and technical spirit disclosed in the present patent application shall be covered by the claims of the present patent application.

Claims

1. The telescopic device for the cleaning robot is characterized by comprising a fixed arm (1) and a telescopic arm (2) which is movable relative to the fixed arm (1), wherein a sliding component which can relatively move under the driving of external force is arranged between the fixed arm (1) and the telescopic arm (2);

the telescopic arm also comprises a driving component which is used for driving the fixed arm (1) and the telescopic arm (2) to move relatively.

2. The telescopic device for the cleaning robot according to claim 1, wherein the fixing arm (1) is provided with a mounting groove with one end open along the length direction, the telescopic arm (2) is movably inserted into the mounting groove, and one end of the telescopic arm (2) extends out of the mounting groove.

3. The telescopic device for a cleaning robot according to claim 2, wherein the sliding assembly comprises at least one linear guide rail (3) fixedly mounted at the lower end of the telescopic arm (2) and a plurality of sliding blocks (4) slidably mounted on the linear guide rail (3), and the sliding blocks (4) are fixed on the inner bottom wall of the fixed arm (1).

4. A telescopic device for a cleaning robot according to claim 3, wherein the driving assembly is a servo electric cylinder (5), the tail part of the servo electric cylinder (5) is mounted at the top part of one side of the fixed arm (1) far away from the telescopic arm (2), and the head part of the servo electric cylinder (5) is mounted on the middle section of the telescopic arm (2) located outside the mounting groove.

5. The telescopic device for the cleaning robot according to claim 4, wherein a protruding part with the top extending upwards for facilitating the head connection of the servo cylinder (5) is fixedly sleeved on the middle section of the telescopic arm (2) outside the mounting groove.

6. A telescopic device for a cleaning robot according to claim 3, wherein the side wall of the slider (4) facing the linear guide (3) is provided with a plurality of balls forming rolling friction with the linear guide (3), and the plurality of balls are arranged in a row along the traveling direction of the linear guide (3).

7. The telescopic device for a cleaning robot according to claim 4, wherein an attachment cover for covering and protecting the servo cylinder (5) is connected to an upper end surface of the fixed arm (1).