Lifting matrix screen

Abstract

The utility model relates to the field of matrix screens, in particular to a lifting matrix screen. The lifting matrix screen comprises a rotary adjusting mechanism; the display screen further comprises a plurality of lifting adjusting mechanisms installed on the rotary adjusting mechanism, and a plurality of display screen bodies distributed in a column shape are installed on any lifting adjusting mechanism in a suspended mode. The rotation adjusting mechanism comprises a set of annular disc steel frames, and the disc steel frames are horizontally arranged and can conduct circumferential rotation in the horizontal direction. The lifting adjusting mechanisms are annularly distributed and arranged on the disc steel frame at equal intervals, the disc steel frame rotates to drive the lifting adjusting mechanisms to conduct angular displacement in the horizontal direction, each lifting adjusting mechanism comprises a winding roller used for winding and unwinding a steel wire rope, and the steel wire rope is fixed to the display screen body through a clamping head. According to the lifting matrix screen provided by the utility model, the position of each display screen body can be adjusted more conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of matrix screen, especially a lifting matrix screen. BACKGROUND

[0002] The lifting matrix screen is a display screen that can adjust the height, which is usually composed of multiple display units (such as LED modules) and can realize the lifting of the screen through mechanical structure. This screen is widely used in various occasions such as business display, stage performance, and advertisement, and can provide dynamic visual effects and enhance the experience of the audience.

[0003] In the prior art, the matrix screen can be installed on the wall or a specially designed frame structure. When splicing and installing, the size of the single display unit and the overall display unit after splicing are compared and accurately calculated to ensure that the spacing deviation between the independent display units does not exceed the specified standard.

[0004] However, the following defects and deficiencies exist in the application process:

[0005] Each display unit is installed on the wall or the frame in a fixed manner, so the installation operation has a more complex calculation, making the entire installation operation more tedious, and it is not conducive to the subsequent short-distance lifting and adjustment of each display unit and the overall angular displacement.

[0006] Therefore, it is necessary to provide a new lifting matrix screen to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0007] To solve the above technical problems, the utility model provides a lifting matrix screen.

[0008] The lifting matrix screen provided by the utility model comprises a rotating adjusting mechanism;

[0009] A plurality of lifting adjusting mechanisms are installed on the rotating adjusting mechanism, and a plurality of display screen bodies arranged in a column are installed on any lifting adjusting mechanism by suspension;

[0010] The rotating adjusting mechanism comprises a group of annular disc steel frames, the disc steel frames are horizontally arranged and can rotate in the horizontal direction;

[0011] The plurality of lifting adjusting mechanisms are annularly distributed and equidistantly arranged on the disc steel frames, the rotation of the disc steel frames drives the horizontal angular displacement of the lifting adjusting mechanisms, the lifting adjusting mechanism comprises a winding roller for winding and unwinding the steel wire rope, and the steel wire rope is fixed to the display screen body by a clamp for driving the vertical lifting movement of the display screen body.

[0012] Preferably, a group of brackets are arranged concentrically outside the disc steel frame and have diameters larger than that of the disc steel frame, and a plurality of rollers are arranged on the brackets and used for supporting the disc steel frame;

[0013] A first motor is arranged on the bracket and used for driving the disc steel frame to rotate, and an output end of the first motor is fixed with a first speed reducer through a shaft coupling.

[0014] Preferably, the disc steel frame is provided with a load-bearing part near the outer ring surface and a horse track near the inner ring surface, a mounting frame is arranged on the load-bearing part, a cross beam is arranged on the mounting frame, a plurality of hangers are arranged on the flanges of the lower end of the cross beam, and a plurality of lifting points are arranged on the inner ring surface and the outer ring surface of the disc steel frame.

[0015] Preferably, the lifting adjusting mechanism further comprises a frame steel frame, the frame steel frame is connected with the hangers through flanges, the frame steel frame is provided with three vertically distributed mounting spaces, a second motor and a second speed reducer connected with the output end of the second motor are arranged in any of the mounting spaces, the winding roller is rotatably arranged on the frame steel frame and is in transmission connection with the second speed reducer, and a plurality of guide pulleys for passing through the steel wire rope are arranged on the frame steel frame.

[0016] Preferably, the steel wire rope is a soft steel rope with a man-made fiber core and is plated with a layer of zinc outside the core.

[0017] Preferably, a winding roller for automatically winding and unwinding the cable is further arranged on the disc steel frame, the cable is electrically connected with the display screen body, and the winding roller can move synchronously with the winding roller, so that the winding and unwinding of the cable and the winding and unwinding of the steel wire rope are kept in a synchronous state.

[0018] Preferably, a total electric box for supplying power to the rotation adjusting mechanism, the lifting adjusting mechanism and the display screen body is further arranged on the disc steel frame, and a sub-electric box for supplying power to the rotation adjusting mechanism and the lifting adjusting mechanism is further arranged on the disc steel frame, and the circuit of the display screen body and the circuits of the rotation adjusting mechanism and the lifting adjusting mechanism are in parallel connection.

[0019] Preferably, the rotation adjusting mechanism and the lifting adjusting mechanism can be remotely controlled through signals.

[0020] Preferably, the display screen body comprises a box body, an LED module is arranged on the side of the box body, a track structure is arranged for positioning, and the cable is arranged in the box body and used for supplying power to the LED module.

[0021] Compared with the related art, the lifting matrix screen has the following beneficial effects:

[0022] 1. Based on the rotary adjustment mechanism, it has a circular steel frame that can rotate in a circle, while the lifting adjustment mechanism is used to install the display screen body. At the same time, the lifting adjustment mechanism is also installed on the circular steel frame. Therefore, the rotation of the circular steel frame can realize the angular displacement of the display screen body, which is used to change the orientation of the overall display unit after splicing. The lifting adjustment mechanism can independently drive each display screen body to move up and down, so as to adjust the position of the individual display screen body, and at the same time, it can also change the height of the overall display unit. Attached Figure Description

[0023] Figure 1 A schematic diagram of a preferred embodiment of the lifting matrix screen provided by this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the lifting adjustment mechanism and the crossbeam connected in this utility model.

[0025] Figure 3 As shown in this utility model Figure 2 Enlarged structural diagram at point A;

[0026] Figure 4 This is a structural schematic diagram showing the distribution state of the display screen body according to this utility model;

[0027] Figure 5 This is a schematic diagram showing the structural connection between the lifting adjustment mechanism and the display screen body shown in this utility model.

[0028] Figure 6 As shown in this utility model Figure 5 A frontal view of the structural diagram;

[0029] Figure 7 As shown in this utility model Figure 5 Top view of the structure;

[0030] Figure 8 This is a schematic diagram of the lifting and adjusting mechanism shown in this utility model;

[0031] Figure 9 This is a schematic diagram of the power distribution structure of the device shown in this utility model;

[0032] Figure 10 This is a schematic diagram of the remote control structure shown in this utility model. Figure 1 ;

[0033] Figure 11 This is a schematic diagram of the remote control structure shown in this utility model. Figure 2 .

[0034] The figure label: 1, rotation adjusting mechanism; 11, disc steel frame; 12, bearing part; 13, horse path; 14, mounting frame; 15, crossbeam; 16, suspender; 17, lifting point; 2, lifting adjusting mechanism; 21, frame steel frame; 22, second motor; 23, second speed reducer; 24, winding roller; 25, guide pulley; 26, steel wire rope; 27, cable; 3, display screen body. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0036] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0037] Please refer to Figures 1 to 3 The utility model embodiment provides a kind of lifting matrix screen, and lifting matrix screen includes:

[0038] Rotation adjusting mechanism 1 and multiple lifting adjusting mechanism 2 installed on rotation adjusting mechanism 1, any lifting adjusting mechanism 2 is installed with multiple display screen bodies 3 in the form of column by suspension mode;

[0039] For rotation adjusting mechanism 1;

[0040] Please refer to Figures 1 to 4 Rotation adjusting mechanism 1 includes a group of annular disc steel frame 11, disc steel frame 11 is horizontally arranged, and can be circumferentially rotated in horizontal direction, and there is a group of concentrically arranged bracket with diameter greater than the diameter of disc steel frame 11 outside disc steel frame 11, multiple rollers for supporting disc steel frame 11 are installed on disc steel frame 11 and are erected on bracket, first motor for driving disc steel frame 11 to rotate is installed on bracket, and the output end of first motor is fixed with first speed reducer by coupling;

[0041] The area of disc steel frame 11 close to outer surface is bearing part 12, and the area close to inner surface forms horse path 13, mounting frame 14 is fixed on bearing part 12, crossbeam 15 is fixed on mounting frame 14, multiple suspender 16 are flange-connected to the lower end of crossbeam 15, and multiple lifting points 17 for hoisting are formed on the inner surface and outer surface of disc steel frame 11.

[0042] It should be noted that: for the rotation adjusting mechanism 1, it is the basis of the whole device, which includes a disc steel frame 11, that is, the main structure for installation, and the lifting adjusting mechanism 2 is installed on the disc steel frame 11, so that the rotation of the disc steel frame 11 can drive the rotation of the lifting adjusting mechanism 2, thereby enabling the angular displacement of the display screen body 3;

[0043] For the rotation adjustment of the disc steel frame 11, the first motor is used as the driving source, the power is transmitted by the first speed reducer and the rotation speed is appropriately adjusted, thereby driving the entire disc steel frame 11 to rotate circumferentially, and a set of brackets are provided outside the disc steel frame 11, the disc steel frame 11 is erected on the brackets through the roller structure, realizing the support of itself, and the rotation of the disc steel frame 11 is assisted by the roller, which can further improve the stability of the disc steel frame 11 and reduce the noise interference generated during rotation; a plurality of lifting points 17 are provided on the disc steel frame 11 to realize the connection with the lifting structure, thereby further improving the stability of the entire disc steel frame 11;

[0044] The disc steel frame 11 has a bearing part 12 and a horse path 13, the bearing part 12 is close to the outer ring surface position, and the lifting adjusting mechanism 2 is installed on the bearing part 12; the horse path 13 is a walkable channel, that is, the staff can pass through the horse path 13 to any position of the disc steel frame 11 to facilitate the maintenance of the display screen body 3.

[0045] For the lifting adjusting mechanism 2:

[0046] Please refer to Figures 5 to 8 , the lifting adjusting mechanism 2 further includes a frame steel frame 21, the frame steel frame 21 is flange-connected with the boom 16, the frame steel frame 21 has three vertically distributed installation spaces, any installation space is fixed with a second motor 22 and a second speed reducer 23 connected with the output end of the second motor 22, a winding roller 24 for winding and unwinding the steel wire rope 26 is installed on the frame steel frame 21, and the steel wire rope 26 is fixed to the display screen body 3 through a clamp, for driving the display screen body 3 to move vertically.

[0047] It should be noted that: in the lifting adjusting mechanism 2, the second motor 22 can drive the winding roller 24 to rotate, and the steel wire rope 26 is wound on the winding roller 24, the winding roller 24 can wind and unwind the steel wire rope 26, and the other end of the steel wire rope 26 is connected with the display screen body 3, so as to realize the installation of the display screen body 3 and drive the display screen body 3 to move vertically, thereby realizing the height adjustment of the display screen body 3;

[0048] In each group of lifting adjustment mechanism 2, there are three sets of winding rollers 24 distributed vertically, each set of winding rollers 24 is connected with a display screen body 3, and each set of winding rollers 24 is independently driven by a second motor 22, so that any one display screen body 3 can be adjusted independently;

[0049] It should be further pointed out that all the structures contained in the lifting adjustment mechanism 2 include a winch, a guide pulley block 25, a steel wire rope 26, a steel wire rope accessory, a limit and positioning switch, an over-travel limit switch, a second motor 22, a second speed reducer 23 and a brake (the steel wire rope accessory is used to limit the steel wire rope 26 on the guide pulley block 25 to avoid it from being separated from the guide pulley block 25, and the brake can realize the emergency stop of the winding roller 24, wherein the steel wire rope accessory, the limit and positioning switch, the over-travel limit switch and the brake are mature prior art and are not shown in the figure):

[0050] (1) Winch: the second motor 22, the second speed reducer 23 and the winding roller 24 together constitute a winch structure, and in all winch devices, the brake and the motor power should be interlocked and controlled, the brake can be released only when the motor power is turned on, and the brake is braked when the motor is powered off. If the motor has been powered off and the brake fails, the additional device should also make the load stationary or run at a controllable low speed;

[0051] (2) Guide pulley 25: the pulley and pulley block should be supported by rolling bearings and have a protection device to prevent the steel wire rope 26 from being separated from the groove; the pulley block should ensure correct installation and have adjustment allowance under any condition. Especially for the steering pulley, the rotating steering device should have a facility to lock the pulley at the correct installation angle; the accuracy of the reference line of the steel wire rope 26 to the pulley should be ensured, and the deflection angle of the steel wire rope 26 to the pulley should not exceed 2.5 degrees;

[0052] (3) Steel wire rope 26: the steel wire rope 26 should be prevented from being folded or damaged during installation; the steel wire rope 26 should be a soft steel rope with a man-made fiber core and be galvanized for protection; all steel wire ropes 26 should be tested in batches, the pre-cut length should be clearly marked, and a batch inspection certificate should be provided; all steel wire ropes 26 should not rub against the fixed or moving parts of the equipment, otherwise protective measures should be taken;

[0053] (4) Steel wire rope accessory (not shown in the figure): standard accessories with surface galvanizing should be used; the size and specifications of the accessories should match the steel wire rope 26; at least three more rope clamps should be correctly installed at each joint where the rope clamp is used; appropriate connecting devices must be used at the connection between the steel wire rope 26 and the boom 16, and a rigging screw clamp is used for adjusting the tightness; important steel wire rope 26 end joints should use woven joints, contract joints, alloy pressed joints or alloy cast joints;

[0054] (5) Limiting and positioning switch (not shown in the figure): the stroke termination limiting switch should be able to detect the normal stroke end of the equipment and make it stop; the stroke termination limiter should be a special product installed on the transmission device or a specially designed switch;

[0055] (6) Overstroke limiting switch (not shown in the figure): an independent overstroke limiting switch should be installed on the electric equipment to prevent mechanical damage when the stroke termination limiting switch fails; the limiting switch can cut off the main power supply of the electric equipment, and when the normal stroke of the load is terminated, the overstroke limiting switch should be able to restore the original setting;

[0056] (7) Second motor 22: fully enclosed air-cooled AC motor is adopted, with insulation level not less than F grade, protection level not less than IP54, and power factor not less than 0.85;

[0057] (8) Second speed reducer 23: gear reducer usually selects helical gear reducer or worm and gear type; the gear transmission device should consider the required torque and power for safe transmission, and consider the impact load;

[0058] (9) Brake (not shown in the figure): all brakes should be fault protection type, and the brake will be tightly held due to the spring pressure when the power is off. The brake should be able to safely decelerate the maximum load within a specified time and make it stationary; the brake should be able to operate efficiently under any condition, and its performance will not be weakened by vibration or wear.

[0059] In the embodiment, the disc steel frame 11 is also provided with a winding roller for automatically winding and unwinding the cable 27, the cable 27 is electrically connected with the display screen body 3, and the winding roller can move synchronously with the winding roller 24, so that the winding and unwinding of the cable 27 and the winding and unwinding of the steel wire rope 26 are kept in a synchronous state. The disc steel frame 11 is also provided with a total electric box for supplying power to the rotating adjusting mechanism 1, the lifting adjusting mechanism 2 and the display screen body 3, and a sub-electric box for supplying power to the rotating adjusting mechanism 1 and the lifting adjusting mechanism 2 separately. The circuit in which the display screen body 3 is located and the circuit in which the rotating adjusting mechanism 1 and the lifting adjusting mechanism 2 are located are in parallel.

[0060] Among them, the rotating adjusting mechanism 1 and the lifting adjusting mechanism 2 can be remotely controlled through signals.

[0061] It should be noted that the winding roller is used to wind the cable 27 for supplying power to the display screen body 3, and the winding roller can rotate synchronously with the winding roller 24, so that the speed of winding and unwinding the steel wire rope 26 can be kept consistent with the speed of winding and unwinding the cable 27. Therefore, when the display screen body 3 is adjusted to move up and down, the cable 27 for supplying power will not be damaged.

[0062] It should be noted that the electrical structure in the device is described as follows:

[0063] (1) Electrical cabinet (electric box) wiring: external wiring can use terminal board or connector, terminal board or connector should be according to the factory drawing corresponding positioning and permanent mark; the cable or wire used for internal wiring should meet the requirements of mechanical strength, rated current, dynamic thermal stability; the arrangement and wiring of electrical elements or devices in the cabinet should consider the convenience of disassembly, replacement and maintenance;

[0064] (2) Cable (cable 27) connection: the length of the cable is appropriate, and the remaining cable should be wound on the winding roller or placed in the equipment; the core of the multi-core or shielded cable used for power or control line should be easy to identify by number. Less than 25 core cables are allowed to use color code, and cable laying form or sequence should not be used to identify cable core; the number of each power line and control cable at both ends should be the same, and permanent mark with unique number should be marked. The cable label should be shown on the wiring diagram; the cable drum should be able to accommodate enough length of cable to meet the total travel requirements of the equipment, including the travel required for maintenance; the wire cable should use flame-retardant and fire-resistant copper core cable. Laid in the cable bridge, the bridge should be covered and treated with fireproofing. The type, voltage, current carrying capacity, cross section, core number and outer sheath of power cable and control cable should meet the requirements of circuit type, transmission type, use environment and laying mode. The control and power cable of the moving part can use soft cable, and the selection of soft cable should consider the temperature resistance and wear resistance and meet the necessary fireproofing requirements.

[0065] In the embodiment, the display screen body 3 includes a box body, LED modules are installed on the side of the box body, and a positioning track structure is arranged, and the cable 27 is arranged inside the box body for supplying power to the LED modules.

[0066] It should be noted that: for the display screen body 3, there are 11 columns of double-sided display screens, each column has 3 rows of double-sided display screens, and the size of each single moving LED screen is: 1443*960*150mm; the indoor spacing P1.8; a falling prevention device is installed behind each module; 33 double-sided screens can rotate as a whole; each column of double-sided screens can be independently lifted up and down, and the gap between the left and right columns is reserved for 50mm; the distance between each column of upper and lower screen bodies is ≤30mm; the single-sided resolution of each screen is: 533*800;

[0067] As shown in Figure 6 , in the figure, point a is a steel wire rope guide, point b is a lifting matrix screen cable guide, point c is a cable fixer, point d is a steel wire rope fixer and box guide (guide rail structure of the box), and point e is a steel wire rope fixed end.

[0068] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A lifting matrix screen, comprising a rotation adjustment mechanism (1), characterized in that: It also includes multiple lifting adjustment mechanisms (2) installed on the rotation adjustment mechanism (1), and each of the lifting adjustment mechanisms (2) is equipped with multiple display screen bodies (3) arranged in a row by means of suspension. The rotary adjustment mechanism (1) includes a set of annular disc steel frames (11), which are horizontally arranged and can rotate in a horizontal direction. Multiple lifting adjustment mechanisms (2) are arranged in a ring and equidistantly on a disc steel frame (11). The rotation of the disc steel frame (11) drives the lifting adjustment mechanism (2) to perform horizontal angular displacement. The lifting adjustment mechanism (2) includes a winding roller (24) for winding and unwinding the wire rope (26). The wire rope (26) is fixed to the display screen body (3) by a clamp and is used to drive the display screen body (3) to perform vertical lifting and lowering movement.

2. The lifting matrix screen according to claim 1, characterized in that, The disc steel frame (11) has a set of concentric brackets with a diameter larger than that of the disc steel frame (11) on the outside. The disc steel frame (11) is equipped with a plurality of rollers mounted on the brackets for supporting the disc steel frame (11). A first motor that drives the disc steel frame (11) to rotate is installed on the bracket, and a first reducer is fixed to the output end of the first motor through a coupling.

3. The lifting matrix screen according to claim 2, characterized in that, The area near the outer ring surface of the disc steel frame (11) is the load-bearing part (12), while the area near the inner ring surface forms a walkway (13). A mounting frame (14) is fixed on the load-bearing part (12), and a crossbeam (15) is fixed on the mounting frame (14). A flange at the lower end of the crossbeam (15) is connected to multiple lifting rods (16). The inner and outer ring surfaces of the disc steel frame (11) have multiple lifting points (17) for hoisting.

4. The lifting matrix screen according to claim 1, characterized in that, The lifting adjustment mechanism (2) also includes a frame steel frame (21), which is connected to the boom (16) by a flange. The frame steel frame (21) has three vertically distributed installation spaces. A second motor (22) and a second reducer (23) connected to the output end of the second motor (22) are fixed inside any of the installation spaces. The winding roller (24) is rotatably installed on the frame steel frame (21) and is connected to the second reducer (23) for transmission. The frame steel frame (21) is also equipped with a number of guide pulleys (25) for threading steel wire ropes (26).

5. The lifting matrix screen according to claim 4, characterized in that, The wire rope (26) is a soft steel rope with an artificial fiber core and is plated with a layer of zinc on the outside of the core.

6. The lifting matrix screen according to claim 3, characterized in that, The disc steel frame (11) is also equipped with a winding roller for automatically winding and unwinding the cable (27). The cable (27) is electrically connected to the display screen body (3), and the winding roller can move synchronously with the winding roller (24) so ​​that the winding and unwinding of the cable (27) and the winding and unwinding of the wire rope (26) are kept in a synchronous state.

7. The lifting matrix screen according to claim 6, characterized in that, The circular steel frame (11) is also equipped with a main power box for powering the rotation adjustment mechanism (1), the lifting adjustment mechanism (2) and the display screen body (3), and a secondary power box for powering the rotation adjustment mechanism (1) and the lifting adjustment mechanism (2) separately. The circuit of the display screen body (3) and the circuit of the rotation adjustment mechanism (1) and the lifting adjustment mechanism (2) are connected in parallel.

8. The lifting matrix screen according to claim 7, characterized in that, Both the rotation adjustment mechanism (1) and the lifting adjustment mechanism (2) can be remotely controlled via signals.

9. The lifting matrix screen according to claim 8, characterized in that, The display screen body (3) includes a cabinet, an LED module installed on the side of the cabinet, and a positioning track structure, while a cable (27) passes through the inside of the cabinet to supply power to the LED module.

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