CN220416954U

CN220416954U - LED overturning screen

Info

Publication number: CN220416954U
Application number: CN202321988746.9U
Authority: CN
Inventors: 杨峰; 赵定金
Original assignee: Guangzhou Shenghe Electronics Co ltd
Current assignee: Guangzhou Shenghe Electronics Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-30
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses an LED overturning screen, belongs to the field of mechanical devices, and relates to an overturning LED screen. The LED screen bearing surface frame structure is fixed by a rotary support and is linked with the winch unit through a wire rope path. The winch is provided with a travel switch and double-brake brakes, the travel switch can limit the rotation angle of the turnover LED screen body bearing surface frame to rotate within a set angle, and the double-brake can effectively brake the parking position of the LED screen body bearing surface frame when the motor is powered off; when the whole device fails in operation and no power is supplied, the handle of the double power-off brake can be broken off by force, so that the power-off brake is released, and the bearing panel of the LED screen body is slowly lowered to be vertical to the ground. The utility model can save ground space, reduce the limit of the using position of the LED screen and also can play the role of protecting the LED screen.

Description

LED overturning screen

Technical Field

The utility model belongs to the field of mechanical devices, and relates to an LED overturning screen.

Background

In recent years, more places are applied to LEDs, and the LED is used as the first choice of various large-scale activities and propaganda videos in public places, and in the application process, the LED does not occupy the ground space and prevents pedestrians; the LED screen is combined with machinery, a turnover structure is manufactured on a roof, the whole screen body is attached to the roof for installation, and the LED screen is turned down when the equipment is used in places such as exhibition halls, government buildings, wind and rain playgrounds, business centers and pedestrian streets.

Disclosure of Invention

The embodiment of the utility model provides an LED overturning screen, which aims to solve the problems of occupying space, being unattractive and being difficult to protect in the practical use process.

The embodiment of the utility model adopts the following technical scheme:

the utility model provides a LED upset screen, includes the hoist engine installation base, and the hoist engine is installed on hoist engine installation base through the articulated, be connected with two sets of driving medium on the hoist engine, every group driving medium all cooperates with hoist engine transmission, and the output of two sets of driving medium is connected with the LED screen subassembly, the LED screen subassembly realizes two forms free switching of horizontal state and vertical state under the drive of two sets of driving medium and hoist engine, the side of hoist engine still is equipped with control system, control system and hoist engine electric connection.

Further, the winding machine comprises a winding disc, a steel wire rope is fixedly wound on the winding disc, and the two steel wire ropes are respectively connected with the two groups of transmission parts in a transmission mode.

Further, each group of transmission piece comprises two horizontal guide wheels, the reel rotates anticlockwise to drive the steel wire ropes at the upper end and the lower end to be released and run forwards, the steel wire ropes are respectively guided to the horizontal guide pulleys at the left end and the right end after passing through the two horizontal guide wheels, the steel wire ropes are respectively guided to the supporting wheels forwards after passing through the horizontal guide pulleys, each steel wire rope is respectively sequentially LED to the lifting point pulley I on the beam, the lifting point movable pulley II on the beam, each steel wire rope is fixed on the turnbuckle screw through the lifting point pulley II, the turnbuckle screw is fixed on the original soil wall through the expansion screw, the steel wire ropes are gradually lengthened, the lifting point movable pulley slowly slides downwards, the lifting point movable pulley is fixedly connected with one end of the LED screen assembly, and the other end of the LED screen assembly is hinged with the girder to be installed.

Further, the LED screen assembly comprises an LED screen body and an LED screen body bearing surface frame, the LED screen body is arranged on the LED screen body bearing surface frame, a rotating support and a rotating shaft are arranged at one end, hinged to a girder to be arranged, of the LED screen body bearing surface frame, and the rotating shaft is in running fit with the rotating support.

Further, the hoist engine still includes stopper, two power-off brake, and the roof that wait to assemble installs spacing touch pad and dashes a stopper, and when the LED screen body loading surface frame rose, the stopper is malfunctioning, and the spacing touch pad of dress on the LED screen body loading surface frame contacted with dashing a stopper, starts limit switch, avoids the LED screen body loading surface frame to bump on civil engineering structure, breaks down in the operation of whole device, breaks off with the fingers and thumb the handle of two power-off brake hard, makes the power-off brake release, slowly falls the LED screen body loading surface frame to perpendicularly with ground. The limiter is connected with the control system, can limit the turnover angle of the winch for turning over the LED screen body bearing surface frame, and limit the LED screen body bearing surface frame to operate between the horizontal position and the maximum rotation angle

The beneficial effects are that: the utility model provides a upset LED screen, this upset screen is hidden at ordinary times in the roofing, parallels with the roofing, and during operation is through mechanical structure's effect, slowly overturns, perpendicular with the roofing, and the people of being convenient for watch. The LED screen bearing surface frame comprises a winch set, a wire rope path, an LED screen bearing surface frame structure and a rotary support. The LED screen bearing surface frame structure is fixed by the rotary support and is linked with the winch unit through a wire rope path to realize overturning.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a block diagram of a complete set of rotary equipment, with a partially enlarged portion being a side view of the rotary support and a top-punch limiting structure view;

FIG. 2 is a horizontal guide structure of a steel wire rope, and the steel wire rope is distributed at the left end and the right end after being discharged from a driving reel through horizontal guide;

FIG. 3 is a top view of a rotating screen;

FIG. 4 is a schematic diagram of a rotational drive;

FIG. 5 is a schematic view of the rotating screen rotated and placed in a use position;

reference numerals

The LED screen comprises a winch mounting base, a winch, a 2-1 limiter, a 2-2 double-power-off brake, a 2-3 reel, a 3 steel wire rope, a 4 guide wheel, a 5 guide wheel, a 6 support wheel, a 7 lifting point pulley I, an 8 lifting point pulley II, a 9 turnbuckle, a 10 lifting point movable pulley, an 11-surface frame, a 12 limiter mounting plate, a 12-top-punching limiter, a 13-limiting touch plate, a 14 support, a 15 rotation shaft, a 16 rotation support and a 17 LED screen body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. 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 based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.

Referring to fig. 1 to 5, an LED roll-over screen includes a hoist mounting base 1, a hoist 2 is mounted on the hoist mounting base 1 by hinge, the hoist 2 includes a limiter 2-1, a double-power-off brake 2-2, and a reel 2-3. The reel 2-3 is fixedly wound with 1 steel wire rope 3 up and down,

when the LED screen is required to be watched, the LED screen is converted from a horizontal closed state to a vertical open state, at the moment, the winch 2 starts to work, the reel 2-3 rotates anticlockwise to drive the steel wire ropes 3 at the upper end and the lower end to be released to run forwards, ninety-degree turning of the steel wire ropes is realized for the first time after the steel wire ropes pass through the 2 horizontal guide wheels 4 respectively, ninety-degree turning of the steel wire ropes is realized again after the steel wire ropes pass through the horizontal guide wheels 5 respectively, the 2 steel wire ropes are guided to the supporting wheels 6 forwards, and the supporting wheels 6 play a role in stable running of the steel wire ropes;

the 2 sections of steel wire ropes 3 respectively pass through the first lifting point pulley 7 on the beam, the second lifting point pulley 10 on the beam and the second lifting point pulley 8 on the beam in sequence, the steel wire ropes are gradually lengthened, the lifting point movable pulley 10 slowly slides downwards, one end of the LED screen body bearing surface frame 11 slowly descends, the other end of the LED screen body bearing surface frame 11 rotates clockwise at the rotating bracket 16 and the rotating shaft 15, and the LED screen is converted into a vertical open state from a horizontal closed state.

The winch 2 is provided with a travel switch and double-brake brakes, the travel switch can limit the rotating angle of the turnover LED screen body bearing surface frame 11 to rotate within a set angle, and the double-brake brakes can effectively brake the parking position of the LED screen body bearing surface frame 11 when the motor is powered off. The bracket 14 and the steel wire rope 3 play a role in supporting and stabilizing the LED screen body bearing surface frame 11. 2 wire ropes are fixed on the turnbuckle 9 through a hanging point pulley II 8, and the turnbuckle 9 is fixed on the original soil wall through an expansion screw. When the 2 steel wires are in uneven stress, if the steel wires 3 are in uneven stress, the tension of the steel wires 3 can be adjusted through the turnbuckle 9 fixed at the end part of the steel wires.

When the LED screen is not required to be watched, the whole moving track is opposite to the moving mode of opening the LED screen body 17, and the LED screen body bearing surface frame 11 is required to be rotated from vertical to horizontal and hidden on a roof. When the winch 2 starts to work, the driving mechanism drives the reel 2-3 to rotate clockwise, the steel wire rope 3 fixedly wound on the reel 2-3 is wound into the reel 2-3 along with the rotation of the reel 2-3, the lifting point movable pulley 10 slowly rises along with the tightening of the steel wire rope 3, one end of the LED screen body bearing surface frame 11 is driven to slowly rise under the cooperation of the rotating bracket 16 and the rotating shaft 15, and finally the LED screen body bearing surface frame 11 is parallel to a roof. The winch 2 is provided with a travel switch and double-brake brakes, the travel switch can limit the rotating angle of the turnover LED screen body bearing surface frame 11 to rotate within a set angle, and the double-brake brakes can effectively brake the parking position of the LED screen body bearing surface frame 11 when the motor is powered off.

When the roof is provided with the limiting touch plate 13 and the top-punching limiter 12, such as the LED screen body bearing surface frame 11 rises, the limiter 2-1 on the winch 2 fails, the limiting touch plate 13 arranged on the LED screen body 17 is contacted with the top-punching limiter 12, a limit switch is started, the winch 2 is immediately powered off, and the LED screen body bearing surface frame 11 is prevented from being collided with a civil engineering structure.

When the whole device fails and no power is supplied, the double power-off brake 2-2 can be broken by means of the double ladder, so that the power-off brake 2-2 is released, and the LED screen 17 bearing panel 11 is slowly lowered to be vertical to the ground. The limiter 2-1 is connected with the control system, so that the winch 2 can be limited to turn over the LED screen 17 and the load panel 11, and the LED screen 17 and the load panel 11 can be limited to run between the horizontal position and the maximum rotation angle.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a LED upset screen, its characterized in that, including hoist engine (2) installation base (1), hoist engine (2) are installed on hoist engine (2) installation base (1) through the articulated, be connected with two sets of driving medium on hoist engine (2), every driving medium of group all cooperates with hoist engine (2) transmission, and the output of two sets of driving medium is connected with LED screen subassembly, LED screen subassembly realizes two kinds of forms free switching of horizontal state and vertical state under the drive of two sets of driving medium and hoist engine (2), the side of hoist engine (2) still is equipped with control system, control system and hoist engine (2) electric connection.

2. The LED turnover screen according to claim 1, wherein the winch (2) comprises a reel (2-3), a steel wire rope (3) is fixedly wound on the reel (2-3) up and down, and the two steel wire ropes (3) are respectively connected with two groups of transmission parts in a transmission mode.

3. An LED roll-over screen according to claim 2, characterized in that each set of driving medium comprises two horizontal guide wheels (4), the reel (2-3) rotates anticlockwise to drive the wire ropes (3) at the upper and lower ends to be released and run forward, the wire ropes (3) are respectively guided to the horizontal guide pulleys (5) at the left and right ends after passing through the two horizontal guide wheels (4), the 2 wire ropes (3) are respectively guided to the supporting wheel (6) forward after passing through the horizontal guide pulleys (5), each wire rope (3) respectively passes through a hoisting point pulley one (7) on the beam in turn, a hoisting point movable pulley (10) and a hoisting point pulley two (8) on the beam, each wire rope (3) is fixed on a turnbuckle screw (9) through the hoisting point pulley two (8), the turnbuckle screw (9) is fixed on an original soil wall through an expansion screw, the wire ropes (3) are gradually lengthened, the hoisting point movable pulley (10) slowly slides downwards, the hoisting point movable pulley (10) is fixedly connected with one end of the LED screen assembly, and the other end of the LED screen assembly is hinged with the beam to be installed.

4. An LED flip screen according to claim 2, characterized in that the LED screen assembly comprises an LED screen body (17) and an LED screen body bearing surface frame (11), the LED screen body (17) is mounted on the LED screen body bearing surface frame (11), one end of the LED screen body bearing surface frame (11) hinged with a girder to be mounted is provided with a rotating bracket (16) and a rotating shaft (15), and the rotating shaft (15) is in running fit with the rotating bracket (16).

5. The LED roll-over screen according to claim 2, wherein the hoist (2) further comprises a limiter (2-1) and a double-power-failure brake (2-2), wherein a limit touch plate (13) and a top-punching limiter (12) are installed on a roof to be assembled, when the LED screen bearing surface frame (11) ascends, the limiter (2-1) fails, the limit touch plate (13) installed on the LED screen bearing surface frame (11) is contacted with the top-punching limiter (12), a limit switch is started, the LED screen bearing surface frame (11) is prevented from being collided with a civil structure, a fault occurs in the whole device operation, a handle of the double-power-failure brake (2-2) is forced to release the power-failure brake (2-2), the LED screen bearing surface frame (11) is slowly descended to be perpendicular to the ground, the limit switch-on control system of the limiter (2-1) can limit the turnover angle of the LED screen bearing surface frame (11), and the LED screen bearing surface frame (11) is limited to operate between a horizontal position and a maximum rotation angle.