Lifting device for LED display

Abstract

The present invention relates to a lifting device for an LED display screen, and the lifting device for an LED display screen comprises: a base, a bearing assembly, and a main drive assembly. The LED display screen is installed by a first bracket and a second bracket, and the first bracket and the second bracket are installed in the base, so that the LED display screen can be protected and convenient for transportation. When in use, the main drive assembly drives the first bracket to rise, and when the first bracket rises to a set height, the first bracket and the second bracket are locked, thereby driving the second bracket to move upward synchronously, thereby completing the rapid assembly of the LED display screen. Therefore, the present invention adopts the technical means of the main drive assembly to drive the bracket for installing the LED display screen to rise and fall and set the position to lock, thereby overcoming the technical problem of slow assembly of the LED display screen and achieving the technical effects of convenient transportation, fast assembly, and flexible application scenarios.

Description

Technical Field

[0001] The invention relates to the field of LED display screens, and in particular to a lifting device for LED display screens. Background Art

[0002] As a display device, LED display screens have been widely used in commercial places such as outdoor advertising and conference halls. However, for some special-purpose LED display screens, such as military outdoor command display screens, they need to be easy to transport, quickly assemble and have good stability. However, the existing LED display screens on the market basically adopt a structure that is assembled on site and then fixed, which has the disadvantage of slow assembly speed. Summary of the invention

[0003] The technical problem to be solved by the embodiments of the present invention is to provide a lifting device and method for an LED display screen, so as to solve the technical problem of slow assembly speed of the LED display screen.

[0004] In order to solve the above technical problems, an embodiment of the present invention proposes a lifting device for an LED display screen, comprising: a base; a bearing assembly, the bearing assembly comprising a first bracket for installing the LED display screen, a first locking module arranged on the first bracket, and a second bracket for installing the LED display screen; a main driving assembly, the main driving assembly being arranged on the base; wherein the base is provided with a receiving space for installing the bearing assembly, and an exit end for passing through the bearing assembly; the second bracket is provided with a first locking structure matched with the first locking module; the main driving assembly drives the first bracket to rise and pass through the exit end, and when the first locking module rises to the first locking structure position of the second bracket, the first locking module is locked with the first locking structure, so that the first bracket and the second bracket rise synchronously.

[0005] Furthermore, the first locking module includes a first latch and a first driving unit for driving the first latch to move; and the first locking structure includes a first plugging hole matched with the first latch.

[0006] Furthermore, a position marking module is provided on one side of the first locking structure; the first bracket is also provided with a first detection component for identifying the position marking module; and the first detection component is electrically connected to the first driving unit.

[0007] Furthermore, the supporting assembly also includes a third bracket for installing the LED display screen, and a second locking module arranged on the second bracket; the third bracket is provided with a second locking structure that cooperates with the second locking module; when the second locking structure rises to the second locking structure position of the third bracket, the second locking module is locked with the second locking structure, so that the first bracket, the second bracket and the third bracket rise synchronously.

[0008] Furthermore, the second locking module includes a second latch and a second driving unit for driving the second latch to move; and the second locking structure includes a second plugging hole matched with the second latch.

[0009] Furthermore, the main drive assembly includes a first motor, a transmission chain, a first movable sprocket, a second movable sprocket, a third movable sprocket, a first fixed sprocket, a second fixed sprocket, and a third fixed sprocket; the first fixed sprocket, the second fixed sprocket, and the third fixed sprocket are respectively fixed to the outlet end of the base; the bearing assembly also includes a first bearing member for bearing the first bracket and slidably connected to the base, a second bearing member for bearing the second bracket and slidably connected to the base, and a third bearing member for bearing the third bracket and slidably connected to the base; the first movable sprocket is rotatably connected to the first bearing member ; The second movable sprocket is rotatably connected to the second supporting member; the third movable sprocket is rotatably connected to the third supporting member; the sliding direction of the first supporting member is consistent with the lifting direction of the first bracket; the sliding direction of the second supporting member is consistent with the lifting direction of the second bracket; the sliding direction of the third supporting member is consistent with the lifting direction of the third bracket; the transmission chain is meshed with the first movable sprocket, the first fixed sprocket, the second movable sprocket, the second fixed sprocket, the third movable sprocket and the third fixed sprocket in sequence, the head of the transmission chain is fixed to the base, and the tail of the transmission chain is transmission-connected to the output end of the first motor.

[0010] Furthermore, the base is also provided with a first limit block for limiting the rise of the first bearing member, a second limit block for limiting the rise of the second bearing member, and a third limit block for limiting the rise of the third bearing member.

[0011] Furthermore, the main driving assembly is a telescopic cylinder; the first bracket is fixedly connected to the driving end of the main driving assembly.

[0012] The present invention also provides a method for lifting an LED display screen, the method for lifting an LED display screen adopts the above-mentioned lifting device for an LED display screen, and the method for lifting an LED display screen comprises: a lifting step; the lifting step comprises: S1, a main driving component drives the first bracket to rise and pass through the exit end; S2, when the first locking module rises to the first locking structure position of the second bracket, the first locking module is locked with the first locking structure; S3, the main driving component drives the second bracket to rise, and the first bracket and the second bracket rise synchronously.

[0013] Furthermore, the lifting method of the LED display screen includes: a descending step; the descending step includes: S4, the main driving component drives the second bracket to descend, and the first bracket and the second bracket descend synchronously; S5, when the second bracket descends to the bottom of the receiving space, the first locking module and the first locking structure are unlocked; S6, the main driving component drives the first bracket to descend to the bottom of the receiving space.

[0014] The embodiment of the present invention proposes a lifting device for an LED display screen, and the LED display screen is installed by a first bracket and a second bracket, and the first bracket and the second bracket are installed in a base, so that the LED display screen can be protected and convenient for transportation. When in use, the main driving component drives the first bracket to rise, and when the first bracket rises to a set height, the first bracket and the second bracket are locked, thereby driving the second bracket to move upward synchronously, thereby completing the rapid assembly of the LED display screen. Therefore, the present invention adopts the technical means of the main driving component to drive the bracket for installing the LED display screen to rise and fall and set the position to lock, which overcomes the technical problem of slow assembly of the LED display screen and achieves the technical effects of convenient transportation, fast assembly, and flexible application scenarios.

[0015] The embodiment of the present invention further provides a method for lifting an LED display screen. By adopting the above-mentioned LED display screen lifting device, the LED display screen lifting device can be deployed and recovered very quickly to meet the requirements of outdoor command display screens.

[0016] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the internal structure of a lifting device of an LED display screen in a retracted state according to the present invention;

[0018] Figure 2 for Figure 1 A schematic diagram of the internal structure of the embodiment in the first unfolded state;

[0019] Figure 3 for Figure 1 A schematic diagram of the internal structure of the embodiment in the second unfolded state;

[0020] Figure 4 for Figure 1 A schematic diagram of the internal structure of the third unfolded state of the embodiment;

[0021] Figure 5 A flow chart of the lifting steps of a lifting method for an LED display screen;

[0022] Figure 6 The present invention is a flow chart of the descending steps of a method for lifting and lowering an LED display screen.

[0023] Description of Figure Numbers

[0024] 1 base 21 first motor

[0025] 22 Drive chain 23 First movable sprocket

[0026] 24 second movable sprocket 25 third movable sprocket

[0027] 26 First fixed sprocket 27 Second fixed sprocket

[0028] 28 Third fixed sprocket 3 Accommodation space

[0029] 41 first bracket 42 first locking module

[0030] 43 Second bracket 44 Third bracket

[0031] 45 Second locking module 5 First limit block

[0032] 6 Second limit block 7 Third limit block DETAILED DESCRIPTION

[0033] In order to more fully understand the technical content of the present invention, the technical solution of the present invention is further introduced and illustrated below in conjunction with schematic diagrams, but is not limited thereto.

[0034] In the embodiment of the present invention, if there are directional indications (such as up, down, left, right, front, back, etc.), they are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0036] like Figure 1 As shown, a lifting device for an LED display screen includes: a base 1, a bearing assembly, and a main drive assembly. The main drive assembly is arranged on the base 1, and the base 1 is provided with a receiving space 3 for installing the bearing assembly and an exit end for passing through the bearing assembly.

[0037] Preferably, the bearing assembly includes a first bracket 41 for mounting the LED display screen, a first locking module 42 provided on the first bracket 41, a second bracket 43 for mounting the LED display screen, a third bracket 44 for mounting the LED display screen, and a second locking module 45 provided on the second bracket 43. The second bracket 43 is provided with a first locking structure matched with the first locking module 42, and the third bracket 44 is provided with a second locking structure matched with the second locking module 45.

[0038] Preferably, the main drive assembly includes a first motor 21, a transmission chain 22, a first movable sprocket 23, a second movable sprocket 24, a third movable sprocket 25, a first fixed sprocket 26, a second fixed sprocket 27, and a third fixed sprocket 28. The first fixed sprocket 26, the second fixed sprocket 27, and the third fixed sprocket 28 are respectively fixed to the outlet end of the base 1, and the bearing assembly also includes a first bearing member for bearing the first bracket 41 and slidingly connected to the base 1, a second bearing member for bearing the second bracket 43 and slidingly connected to the base 1, and a third bearing member for bearing the third bracket 44 and slidingly connected to the base 1. The first movable sprocket 23 is rotatably connected to the first bearing member, the second movable sprocket 24 is rotatably connected to the second bearing member, and the third movable sprocket 25 is rotatably connected to the third bearing member. The sliding direction of the first bearing member is consistent with the lifting direction of the first bracket 41, the sliding direction of the second bearing member is consistent with the lifting direction of the second bracket 43, and the sliding direction of the third bearing member is consistent with the lifting direction of the third bracket 44. The transmission chain 22 is meshed with the first movable sprocket 23, the first fixed sprocket 26, the second movable sprocket 24, the second fixed sprocket 27, the third movable sprocket 25, and the third fixed sprocket 28 in sequence. The head of the transmission chain 22 is fixed to the base 1, and the tail thereof is transmission-connected to the output end of the first motor 21.

[0039] Preferably, the first locking module 42 includes a first latch and a first driving unit for driving the first latch to move, and the first locking structure includes a first plug hole matched with the first latch. A position marking module is provided on one side of the first locking structure, and the first bracket 41 is also provided with a first detection component for identifying the position marking module, and the first detection component is electrically connected to the first driving unit and the first motor 21 respectively.

[0040] Preferably, the second locking module 45 includes a second latch and a second driving unit for driving the second latch to move, and the second locking structure includes a second plug hole matched with the second latch. A position marking module is provided on one side of the second locking structure, and the second bracket 43 is also provided with a second detection component for identifying the position marking module, and the second detection component is electrically connected to the second driving unit and the first motor 21 respectively.

[0041] Preferably, the base 1 is further provided with a first limit block 5 for limiting the rise of the first bearing member, a second limit block 6 for limiting the rise of the second bearing member, and a third limit block 7 for limiting the rise of the third bearing member.

[0042] Preferably, the base 1 is further provided with a travel switch located on one side of the third limit block 7 , and the travel switch is electrically connected to the first motor 21 .

[0043] like Figure 2 As shown, the main driving component drives the first bracket 41 to rise to the exit end, the first detection component identifies the position marking module on the second bracket 43, and when the first locking module 42 rises to the first locking structure position of the second bracket 43, the first locking module 42 is locked with the first locking structure, so that the first bracket 41 and the second bracket 43 rise synchronously.

[0044] like Figure 3 As shown, the main driving component drives the second bracket 43 to rise, and the second detection component identifies the position marking module on the third bracket 44. When the second locking module 45 rises to the second locking structure position of the third bracket 44, the second locking module 45 is locked with the second locking structure, so that the first bracket 41, the second bracket 43, and the third bracket 44 rise synchronously.

[0045] like Figure 4 As shown, the main driving assembly drives the third bracket 44 to rise, and when the third bracket 44 rises to the travel switch position, the first motor 21 stops driving.

[0046] Preferably, the first bracket 41 , the second bracket 43 , the third bracket 44 are connected to the base 1 via telescopic rods, respectively, to ensure the stability of the first bracket 41 , the second bracket 43 , the third bracket 44 after extending out of the base 1 .

[0047] The recovery and development actions of a lifting device of an LED display screen are opposite. The main driving component first drives the third bracket 44 to descend. When the third bracket 44 descends to the bottom, the second locking module 45 is unlocked from the second locking structure. Then the main driving component first drives the second bracket 43 to descend. When the second bracket 43 descends to the bottom, the first locking module 42 is unlocked from the first locking structure. The main driving component first drives the first bracket 41 to descend to the bottom.

[0048] A lifting device for an LED display screen, which is used to install the LED display screen through a first bracket 41 and a second bracket 43, and the first bracket 41 and the second bracket 43 are installed in a base 1, which can protect the LED display screen and facilitate transportation. When in use, the main drive component drives the first bracket 41 to rise. When the first bracket 41 rises to a set height, the first bracket 41 and the second bracket 43 are locked, thereby driving the second bracket 43 to move upward synchronously, thereby completing the rapid assembly of the LED display screen. Therefore, the present invention adopts the technical means of driving the main drive component to lift and lock the bracket for installing the LED display screen, which overcomes the technical problem of slow assembly of the LED display screen and achieves the technical effects of convenient transportation, fast assembly, and flexible application scenarios.

[0049] As an implementation mode, the main driving assembly is a telescopic cylinder, and the first bracket is fixedly connected to the driving end of the main driving assembly.

[0050] like Figure 5 As shown, a method for lifting an LED display screen, using the above-mentioned lifting device for an LED display screen, comprises: a lifting step. The lifting step comprises:

[0051] S1, the main drive assembly drives the first bracket to rise and pass through the exit end;

[0052] S2, when the first locking module rises to the first locking structure position of the second bracket, the first locking module is locked with the first locking structure;

[0053] S3, the main driving assembly drives the second bracket to rise, and the first bracket and the second bracket rise synchronously.

[0054] like Figure 6 As shown, the method for lifting the LED display screen further includes: a lowering step. The lowering step includes:

[0055] S4, the main driving assembly drives the second bracket to descend, and the first bracket and the second bracket descend synchronously;

[0056] S5. When the second bracket descends to the bottom of the receiving space, the first locking module and the first locking structure are unlocked;

[0057] S6. The main driving assembly drives the first bracket to descend to the bottom of the receiving space.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device for an LED display screen, characterized in that: include: Pedestal; A bearing assembly, the bearing assembly comprises a first bracket for mounting an LED display screen, a first locking module arranged on the first bracket, and a second bracket for mounting the LED display screen; a main driving assembly, the main driving assembly being arranged on a base; wherein the base is provided with a receiving space for mounting the bearing assembly, and an exit end for passing through the bearing assembly; the second bracket is provided with a first locking structure matched with the first locking module; the main driving assembly drives the first bracket to rise and pass through the exit end, and when the first locking module rises to the first locking structure position of the second bracket, the first locking module is locked with the first locking structure, so that the first bracket and the second bracket rise synchronously; The first locking module includes a first latch and a first driving unit for driving the first latch to move; the first locking structure includes a first plug hole matched with the first latch; A position marking module is provided on one side of the first locking structure; the first bracket is also provided with a first detection component for identifying the position marking module; the first detection component is electrically connected to the first driving unit; The bearing assembly further includes a third bracket for mounting the LED display screen, and a second locking module disposed on the second bracket; the third bracket is provided with a second locking structure matched with the second locking module; when the second locking structure rises to the second locking structure position of the third bracket, the second locking module is locked with the second locking structure, so that the first bracket, the second bracket, and the third bracket rise synchronously; The main driving assembly includes a first motor, a transmission chain, a first movable sprocket, a second movable sprocket, a third movable sprocket, a first fixed sprocket, a second fixed sprocket, and a third fixed sprocket; the first fixed sprocket, the second fixed sprocket, and the third fixed sprocket are respectively fixed to the outlet end of the base; the bearing assembly also includes a first bearing member for bearing the first bracket and slidably connected to the base, a second bearing member for bearing the second bracket and slidably connected to the base, and a third bearing member for bearing the third bracket and slidably connected to the base; the first movable sprocket is rotatably connected to the first bearing member; the The second movable sprocket is rotatably connected to the second supporting member; the third movable sprocket is rotatably connected to the third supporting member; the sliding direction of the first supporting member is consistent with the lifting direction of the first bracket; the sliding direction of the second supporting member is consistent with the lifting direction of the second bracket; the sliding direction of the third supporting member is consistent with the lifting direction of the third bracket; the transmission chain is meshed with the first movable sprocket, the first fixed sprocket, the second movable sprocket, the second fixed sprocket, the third movable sprocket and the third fixed sprocket in sequence, the head of the transmission chain is fixed to the base, and the tail of the transmission chain is transmission-connected to the output end of the first motor.

2. The lifting device of the LED display screen according to claim 1, characterized in that: The base is also provided with a first limit block for limiting the rise of the first bearing member, a second limit block for limiting the rise of the second bearing member, and a third limit block for limiting the rise of the third bearing member.

3. A method for lifting an LED display screen, characterized in that: The lifting method of the LED display screen adopts the lifting device of the LED display screen as claimed in claim 1, and the lifting method of the LED display screen comprises: a lifting step; the lifting step comprises: S1, the main driving assembly drives the first bracket to rise and pass through the exit end; S2, when the first locking module rises to the first locking structure position of the second bracket, the first locking module is locked with the first locking structure; S3, the main driving assembly drives the second bracket to rise, and the first bracket and the second bracket rise synchronously.

4. The method for lifting an LED display screen as claimed in claim 3, characterized in that: The lifting method of the LED display screen includes: a lowering step; the lowering step includes: S4, the main driving assembly drives the second bracket to descend, and the first bracket and the second bracket descend synchronously; S5. When the second bracket descends to the bottom of the receiving space, the first locking module and the first locking structure are unlocked; S6. The main driving assembly drives the first bracket to descend to the bottom of the receiving space.

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