CN216927936U

CN216927936U - LED display screen panel-level front maintenance device

Info

Publication number: CN216927936U
Application number: CN202123316986.8U
Authority: CN
Inventors: 郑喜凤; 汪洋; 李倩影; 赵旷野; 陈宇
Original assignee: Changchun Cedar Electronics Technology Co Ltd
Current assignee: Changchun Cedar Electronics Technology Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-08
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to a panel-level front maintenance device of an LED display screen, which comprises a main body case, a crawling system and a cleaning system, wherein the crawling system and the cleaning system are arranged on the main body case; the cleaning system comprises a one-dimensional moving mechanism, a roller and a swing arm; the one-dimensional moving mechanism is arranged in the main body case, the swing arm is fixedly connected with a movable part of the one-dimensional moving mechanism, and the roller is arranged on the swing arm; the one-dimensional moving mechanism can drive the roller to move up and down in a reciprocating manner through the swing arm. The utility model solves the problem that the indoor high-density display screen is difficult to operate aloft, effectively reduces the cleaning cost of engineering projects and reduces the construction risk of personnel.

Description

LED display screen panel-level front maintenance device

Technical Field

The utility model belongs to the field of maintenance and repair of LED display screens, and relates to a device capable of performing panel-level pre-maintenance on an LED display screen.

Background

The LED display screen is formed by splicing a plurality of display units (usually boxes). The display box bodies are composed of a plurality of modules; the module is composed of a plurality of modules. Therefore, the work of maintaining the LED display screen is complex, especially when the LED display screen is installed in severe environments such as high places and cold, the whole LED screen needs to be removed from the high places, laid flat, and then the display unit (module) to be cleaned and maintained needs to be manually disassembled (the display unit (module) to be maintained may be decomposed into the minimum unit, namely the module), cleaned and replaced with a new display unit (module), and then the new whole LED screen is assembled and installed in the original environment. In order to save the time-consuming and labor-consuming process of repeated installation-detachment-installation, the whole LED screen is usually not detached, the whole LED screen needs to be manually ascended to the maintenance position of the LED display screen, cleaning maintenance personnel use auxiliary tools to detach the fault display unit (module), and then the good display unit (module) is installed in the original position to complete the cleaning maintenance work, so that the cleaning maintenance work is more complicated, and the danger coefficient of the maintenance personnel is large. At present, the LED display screen surface cleaning machine similar to a sweeping robot exists, but the device cannot realize the link of automatic disassembly because the structure of the device does not have the disassembly and maintenance function, only has the automatic cleaning function, and cannot realize comprehensive maintenance work.

Disclosure of Invention

The utility model aims to provide an LED display screen panel-level front maintenance device which has the functions of cleaning and disassembling and can automatically perform front maintenance on an LED display screen.

In order to solve the technical problems, the LED display screen panel-level front maintenance device comprises a main body case, and a crawling system and a cleaning system which are arranged on the main body case; the cleaning system comprises a one-dimensional moving mechanism, a roller and a swing arm; the one-dimensional moving mechanism is arranged in the main body case, the swing arm is fixedly connected with a movable part of the one-dimensional moving mechanism, and the roller is arranged on the swing arm; the one-dimensional moving mechanism can drive the roller to move up and down in a reciprocating manner through the swing arm.

The one-dimensional moving mechanism is a vertical moving mechanism consisting of a rotary driving motor and a screw nut moving pair.

The cleaning system further comprises a second rotary drive mechanism; the back of the main body case is provided with sliding grooves at the positions close to the edges of the left side and the right side; the lateral wall of sliding tray has slot from top to bottom, and second rotary driving mechanism installs in the outside or the inboard of sliding tray and its pivot and swing arm fixed connection, and the swing arm can drive the gyro wheel under second rotary driving mechanism's drive and rotate and withdraw back main part machine box top, bottom or hide in the main part machine box.

The crawling system comprises a first rotary driving mechanism and four L-shaped rotating supporting legs; two L-shaped rotating supporting legs are respectively arranged on the left side and the right side of the main body case; the first rotary driving mechanism is arranged in the main body case shell and is respectively connected with the four L-shaped rotating supporting legs through a transmission mechanism; the other end of each L-shaped rotating supporting leg is connected with the small rubber sucker through an electric telescopic rod; when the upper left small rubber sucker and the lower right small rubber sucker suck the LED display screen, the upper right L-shaped rotating leg and the lower left L-shaped rotating leg are driven by the first rotary driving mechanism to rotate upwards or downwards, and after the small rubber suckers rotate in place, the electric telescopic rods press the small rubber suckers to the surface of the LED display screen and are tightly attached and fixed with the surface of the LED display screen; then the upper left L-shaped rotating supporting leg and the lower right L-shaped rotating supporting leg are driven by the first rotary driving mechanism to rotate upwards or downwards, and after the supporting legs rotate in place, the electric telescopic rods press the small rubber suction cups to the surface of the LED display screen and are tightly attached and fixed with the surface of the LED display screen; therefore, the whole maintenance device can vertically ascend or descend on the surface of the LED display screen through the cyclic reciprocating.

The first rotary driving mechanism can adopt four rotary driving motors, and the rotating shafts are respectively connected with four L-shaped rotary supporting legs.

The crawling system comprises a third rotary driving mechanism and two lead screw nut transmission pairs; the third rotary driving mechanism is connected with the main body machine box through two lead screw nut transmission pairs, and the main body machine box can be driven to move up and down through the two lead screw nut transmission pairs.

Furthermore, the utility model also comprises a loading and unloading system; the loading and unloading system comprises a main telescopic cylinder, a vacuum adsorption bracket, three bowl-shaped suckers and an air pump; the telescopic rod of the main body telescopic cylinder is fixedly connected with the vacuum adsorption bracket, and a plurality of support legs of the vacuum adsorption bracket are respectively fixed with a bowl-shaped sucker; the main airflow channel of the telescopic rod, the plurality of branch airflow channels in the vacuum adsorption bracket and the airflow channel of the bowl-shaped sucker are communicated; the air pump is arranged in the main air flow channel.

The utility model has the beneficial effects that: the utility model solves the problem that the indoor high-density display screen is difficult to operate aloft, effectively reduces the cost of cleaning and maintaining engineering projects, and reduces the construction risk of personnel.

Description of the drawings:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a perspective view of the overall structure of embodiment 1 of the present invention.

Fig. 3 is a perspective view of the overall structure of embodiment 2 of the present invention.

Fig. 4 is a sectional view of embodiment 2 of the present invention.

Fig. 5 is a perspective view of the overall structure of embodiment 3 of the present invention.

Fig. 6 is a front view of embodiment 4 of the present invention.

Fig. 7 is a sectional view taken along line B-B of fig. 6.

In the figure: 101, L-shaped rotating supporting legs, 102, an electric telescopic rod, 103, small rubber suckers, 104, a main body machine box, 106, an integrated control box, 110, a lead screw nut transmission pair, 210, a roller, 220, a sliding groove, 230, a swing arm, 310, a main body telescopic cylinder, 320, a vacuum adsorption bracket, 321, three bowl-shaped suckers, 311, a telescopic rod, 331, a main air flow channel, 332, a branch air flow channel and 340, an air pump.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the following drawings and examples, it being understood that the specific embodiments described herein are illustrative of the utility model only and are not limiting. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be specifically understood in specific cases by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," or "beneath" a second feature includes the first feature being directly under or obliquely below the second feature, or simply means that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example 1

The LED display screen panel-level front maintenance device of the utility model comprises a main body case 104, an integrated control case 106, a crawling system and a cleaning system.

As shown in fig. 1, the main body housing 104 is a hollow shell made of a material with light weight, good rigidity and good heat dissipation, and may be a cube or a circle; the integrated control box 106 is fixedly arranged on the front surface, the side surface or the inside of the shell of the main body case 104 and is provided with a motion unit control circuit; the crawling system comprises a first rotary driving mechanism and four L-shaped rotating supporting legs 101; two L-shaped rotating supporting legs 101 are respectively arranged on the left side and the right side of the main body case 104; the first rotary driving mechanism is arranged in the shell of the main body machine box 104, the first rotary driving mechanism can adopt four rotary driving motors, and the rotating shafts are respectively connected with four L-shaped rotating supporting legs 101; the first rotary driving mechanism can also adopt one or two rotary driving motors, and is connected with four L-shaped rotary supporting legs 101 through a transmission mechanism, and the other end of each L-shaped rotary supporting leg 101 is connected with a small rubber sucker 103 through an electric telescopic rod 102; the L-shaped rotating supporting leg 101 can be driven by the rotary driving motor to rotate upwards or downwards so as to drive the small rubber sucker 103 to move upwards or downwards; when the upper left small rubber sucker 103 and the lower right small rubber sucker 103 suck the LED display screen, the upper right L-shaped rotating supporting leg 101 and the lower left L-shaped rotating supporting leg 101 are driven by the rotary driving motor to rotate upwards or downwards, and after the small rubber sucker 103 is rotated in place, the electric telescopic rod 103 presses the small rubber sucker 103 to the surface of the LED display screen, so that air in the small rubber sucker 103 is discharged and tightly attached and fixed with the surface of the LED display screen; then, the upper left L-shaped rotating supporting leg 101 and the lower right L-shaped rotating supporting leg 101 are driven by a rotary driving motor to rotate upwards or downwards, and after the small rubber suction cups 103 are rotated in place, the electric telescopic rods 103 press the small rubber suction cups 103 to the surface of the LED display screen, so that air in the small rubber suction cups 103 is discharged and is tightly attached and fixed with the surface of the LED display screen; therefore, the whole maintenance device can vertically ascend or descend on the surface of the LED display screen through the cyclic reciprocating.

As shown in fig. 2, the cleaning system includes a one-dimensional moving mechanism, a second rotary driving mechanism (not shown), a roller 210, and two swing arms 230; the one-dimensional moving mechanism adopts a vertical moving mechanism consisting of a rotary driving motor and a screw nut moving pair, and can also adopt a vertical moving mechanism of the existing small linear motor structure; the vertical movement mechanism is provided inside the main body casing 104; the second rotary driving mechanism adopts a rotary motor; the back of the main body box 104 is provided with sliding grooves 220 near the left and right edges; the side wall of the sliding groove 220 is provided with a groove from top to bottom, the rotating motor is arranged at the outer side or the inner side of the sliding groove 220, and the rotating shaft of the rotating motor is fixedly connected with the swing arm 230; the roller 210 is mounted on the swing arm 230; the swing arm 230 can drive the roller 210 to rotate and retract to the top end and the bottom end of the main body case 104 or be hidden in the main body case 104 under the driving of the rotating motor; the swing arm 230 and the roller 210 can reciprocate up and down along the sliding groove 220 at a constant speed under the action of the vertical moving mechanism, and meanwhile, the roller 210 rotates anticlockwise; therefore, each corner of the LED display screen can be cleaned.

Example 2

The LED display screen panel-level front maintenance device comprises a crawling system and a disassembling system.

The structure of the crawling system of the present embodiment is the same as that of embodiment 1.

As shown in fig. 3 and 4, the handling system comprises a main body telescopic cylinder 310, a vacuum adsorption bracket 320, three bowl-shaped suckers 321 and an air pump 340; the main telescopic cylinder 310 adopts an electric telescopic cylinder, the telescopic rod 311 and the vacuum adsorption bracket 320 are of an integral structure, and three support legs of the vacuum adsorption bracket 320 are respectively fixed with a bowl-shaped sucker 321; the main airflow channel 331 of the telescopic rod 311, the three branch airflow channels 332 in the vacuum adsorption bracket 320 and the airflow channel of the bowl-shaped suction cup 321 are communicated; the air pump 340 is installed in the main air flow path 331; the telescopic rod 311 moves leftwards to drive the vacuum absorbing bracket 320 and the three bowl-shaped suckers 321 to retract to form a horizontal plane with the right surface of the main body case 104.

Example 3

As shown in fig. 5, the LED display screen panel-level front maintenance apparatus of the present invention includes a crawling system and a disassembling system.

The crawling system comprises a third rotary driving mechanism (not shown in the figure) and two lead screw nut transmission pairs; the third rotary driving mechanism can adopt a rotary driving motor and is connected with the two lead screw nut transmission pairs 110 through a transmission mechanism; the third rotary driving mechanism can also adopt two rotary driving motors which are respectively connected with the two lead screw nut transmission pairs; the screw nut transmission pair is connected with the main body case 104; the third rotary driving mechanism can drive the whole maintenance device to move up and down through the two lead screw nut transmission pairs.

The disassembly system is constructed as in example 2.

Example 4

The LED display screen panel-level front maintenance device comprises a crawling system, a cleaning system and a disassembling system.

In the utility model, all the rotary driving motors, the electric telescopic rods and the main body telescopic cylinder can be controlled by a motion unit control circuit in the integrated control box 106.

The working principle of the maintenance device is as follows:

when the surface of the LED display screen needs to be cleaned; the telescopic rod 311 of the main telescopic cylinder 310 moves leftwards to drive the vacuum adsorption bracket 320 and the three bowl-shaped suckers 321 to retract to form a horizontal plane with the right surface of the main machine box 104; a motion unit control circuit in the integrated control box 106 controls the crawling mechanism to work, so that the whole maintenance device starts to move from the bottom end of the LED display screen; meanwhile, the swing arm 230 drives the roller 210 to move up and down along the sliding groove 220 at a constant speed in a reciprocating manner, and the roller 210 rotates anticlockwise to clean the surface of the LED display screen; after the surface of the LED display screen is cleaned, the swing arm 230 is driven by the rotating motor to drive the roller 210 to rotate and retract to the top end and the lower end of the main body case 104 or to be hidden in the main body case 104, so that the operation of the unloading system 300 is not affected.

When the LED display screen needs to be maintained, the movement unit control circuit in the integrated control box 106 controls the crawling mechanism to work, so that the whole maintenance device starts to move from the bottom end of the LED display screen; when the maintenance device moves above the LED display module to be maintained, the maintenance device stops moving, and the four small rubber suckers 103 press the front surface of the LED display screen at the same time, so that the whole maintenance device is firmly adsorbed and fixed on the surface of the LED display screen; the telescopic rod 311 of the main body telescopic cylinder 310 extends out rightward to push the vacuum adsorption bracket 320 and the bowl-shaped sucking disc 321 to move rightward, and meanwhile, the air pump works to enable the bowl-shaped sucking disc 321 to adsorb the LED display module to be maintained; the telescopic rod 311 moves leftwards to separate the LED display module from the LED display screen; keeping the state of the main telescopic cylinder 310, driving the LED display module to be maintained to crawl downwards to the lower end of the LED display screen by the maintenance device, and stopping moving; the telescopic rod 311 of the main telescopic cylinder 310 extends rightward, and meanwhile, the air pump stops working to separate the bowl-shaped sucker 321 from the LED display module to be maintained, and the LED display module to be maintained is placed in a safe area; the LED display module to be replaced is adsorbed on the bowl-shaped sucking disc 321, and the maintenance device drives the LED display module to be replaced to move to the position of the vacant position of the LED display module on the LED display screen; the main body telescopic cylinder 310 works, and the LED display module to be replaced is slowly placed in the vacant position of the LED display screen to complete maintenance work.

Claims

1. The LED display screen panel-level front maintenance device is characterized by comprising a main body case (104), and a crawling system and a cleaning system which are arranged on the main body case (104); the cleaning system comprises a one-dimensional moving mechanism, a roller (210) and a swing arm (230); the one-dimensional moving mechanism is arranged in the main body case (104), the swing arm (230) is fixedly connected with a movable part of the one-dimensional moving mechanism, and the roller (210) is arranged on the swing arm (230); the one-dimensional moving mechanism can drive the roller (210) to reciprocate up and down through the swing arm (230).

2. The LED display screen panel-level front maintenance device according to claim 1, wherein the one-dimensional moving mechanism is a vertical moving mechanism consisting of a rotary driving motor and a screw nut moving pair.

3. The LED display screen panel-level front maintenance device of claim 1, wherein said cleaning system further comprises a second rotary drive mechanism; the back of the main body case (104) is provided with a sliding groove (220) near the left and right edges; the lateral wall of sliding tray (220) is equipped with the slot from top to bottom, and second rotary driving mechanism installs in the outside or the inboard of sliding tray (220) and its pivot and swing arm (230) fixed connection, and swing arm (230) can drive gyro wheel (210) under second rotary driving mechanism's drive and rotate and retract main part machine box (104) top, bottom or hide in main part machine box (104).

4. The LED display screen panel-level front maintenance device according to claim 1, wherein the crawling system comprises a first rotary driving mechanism, four L-shaped turning legs (101); two L-shaped rotating supporting legs (101) are respectively arranged on the left side and the right side of the main body case (104); the first rotary driving mechanism is arranged in a shell of the main body machine box (104) and is respectively connected with the four L-shaped rotating supporting legs (101) through a transmission mechanism; the other end of each L-shaped rotating supporting leg (101) is connected with a small rubber sucker (103) through an electric telescopic rod (102); when the upper left small rubber sucker (103) and the lower right small rubber sucker (103) suck the LED display screen, the upper right L-shaped rotating supporting leg (101) and the lower left L-shaped rotating supporting leg (101) are driven by the first rotary driving mechanism to rotate upwards or downwards, and after the small rubber suckers are rotated in place, the electric telescopic rods (102) press the small rubber suckers (103) to the surface of the LED display screen and are tightly attached and fixed with the surface of the LED display screen; then, the upper left L-shaped rotating supporting leg (101) and the lower right L-shaped rotating supporting leg (101) are driven by the first rotary driving mechanism to rotate upwards or downwards, and after the supporting legs rotate in place, the electric telescopic rods (102) press the small rubber suction cups (103) to the surface of the LED display screen and are tightly attached and fixed with the surface of the LED display screen; the circulating reciprocating can enable the whole maintenance device to vertically ascend or descend on the surface of the LED display screen.

5. The LED display screen panel-level front maintenance device according to claim 4, wherein the first rotation driving mechanism employs four rotation driving motors, and the rotation shafts are respectively connected to four L-shaped rotation legs (101).

6. The LED display screen panel-level front maintenance device of claim 1, wherein the crawling system comprises a third rotary driving mechanism and two lead screw nut transmission pairs; the third rotary driving mechanism is connected with the main body case (104) through two lead screw nut transmission pairs (110), and the main body case (104) can be driven to move up and down through the two lead screw nut transmission pairs.

7. The LED display screen panel-level front maintenance device of claim 1, further comprising a handling system; the handling system comprises a main body telescopic cylinder (310), a vacuum adsorption bracket (320), three bowl-shaped suckers (321) and an air pump (340); the telescopic rod (311) of the main telescopic cylinder (310) is fixedly connected with the vacuum adsorption bracket (320), and a bowl-shaped sucking disc (321) is respectively fixed on a plurality of support legs of the vacuum adsorption bracket (320); the main airflow channel (331) of the telescopic rod (311), the plurality of branch airflow channels (332) in the vacuum adsorption bracket (320) and the airflow channel of the bowl-shaped sucker (321) are communicated; an air pump (340) is installed in the main air flow path (331).