LED screen split device for stage

Abstract

The utility model discloses an LED screen opposite-opening device for a stage. The LED screen opposite-opening device comprises a guide rail, a plate hanging vehicle, an LED screen frame body, a driving mechanism and a transmission mechanism. The left LED screen frame body and the right LED screen frame body are hung on the guide rails through the left hanging plate trolley and the right hanging plate trolley respectively, the driving mechanism is installed in the middle of the guide rails through the transmission mechanism, and the hanging plate trolleys are connected with the transmission mechanism through the buffering mechanism. The driving mechanism drives the transmission mechanism to perform opposite opening and closing actions so as to drive the buffer mechanism to move, and then the two LED screen frame bodies perform opposite opening and closing actions. According to the LED screen oppositely-opening device for the stage, the gear is driven by the single gear motor to simultaneously drive the two racks to do synchronous relative movement, so that oppositely-opening operation of the two LED screen frame bodies is achieved, the structure is exquisite, the design is reasonable, the electrical control cost is low, and the equipment manufacturing cost is low; and gear and rack transmission is adopted, so that the operation of the two LED screen frame bodies is stable, the anti-pinch light curtains are integrated on the LED screen frame bodies, people or objects are prevented from being hurt when the screen bodies are closed, and the equipment safety is improved.

Description

Technical Field

[0001] The utility model relates to the field of stage mechanical equipment, in particular to a LED screen split device for stage. Background Art

[0002] The LED screen split device is a device configured on the stage. It is usually used as a carrier for the main stage screen (background screen), carrying the LED screen to complete the split and closing actions, forming a visual impact during operation and enhancing the audience's viewing experience. At the same time, after the LED screen is opened from the middle, a channel is left for the actors to run from the back stage, go on stage, and switch scenes. The LED screen split device enriches the stage performance form and provides more possibilities and innovative space for stage design and performance. The traditional LED screen split device is difficult to install. During operation, the LED screen does not run smoothly enough and sometimes the LED screen cannot open and close normally. Utility Model Content

[0003] The purpose of the utility model is to provide a split-open device for a stage LED screen, so as to solve the problem that the existing split-open device for a stage LED screen mentioned in the above background technology does not run smoothly enough.

[0004] The utility model provides a stage LED screen split device, comprising a guide rail, a hanging plate trolley, an LED screen frame, a driving mechanism, and a transmission mechanism; the left and right LED screen frames are respectively mounted on the guide rails through the left and right hanging plate trolleys, the driving mechanism is installed at the middle position of the guide rails through the transmission mechanism, and the hanging plate trolley is connected to the transmission mechanism through a buffer mechanism; the driving mechanism drives the transmission mechanism to perform split and closing actions, thereby driving the buffer mechanism to move, and the two LED screen frames perform split and closing actions accordingly.

[0005] Furthermore, the guide rails are two identical channel steels, which are placed face to face with each other at a certain distance.

[0006] Furthermore, the hanging plate vehicle is a strip connecting plate with multiple pairs of running wheels integrated therein, the running wheels run on guide rails, and the strip connecting plate is connected to the LED screen frame.

[0007] Furthermore, the driving mechanism includes a reduction motor, and the transmission mechanism includes a rack, a linear slide rail, a box body, and a slider. The reduction motor is fixed to the guide rail through the box body, and the output shaft of the reduction motor is connected to the gear located in the box body. The two racks are arranged in parallel and located on both sides of the gear. Both racks are meshed with the gear, and the back of the rack is connected to the linear slide rail. Two sliders are provided on the linear slide rail, and the sliders are fixed to the box body.

[0008] Furthermore, the buffer mechanism includes a spring, a fixed rod, a connecting block, and a distance tube. The fixed rod is installed at the tail of the rack and slides through the connecting block. The spring is passed through the fixed rod. One end of the spring is connected to the connecting block, and the other end is connected to the outer end baffle of the fixed rod. The connecting block is connected to the strip connecting plate of the trailer through the distance tube and bolts.

[0009] Furthermore, an anti-pinch light curtain is arranged on the inner side of the LED screen frame.

[0010] Compared with the prior art, the beneficial technical effects of the utility model are:

[0011] 1. The LED screen split device for stage drives the two racks to make synchronous relative motion through a single reduction motor driving the gear, thereby realizing the split operation of the two LED screen frames. It has a sophisticated structure, reasonable design, low electrical control cost, and economical equipment cost. The use of gear and rack transmission makes the two LED screen frames run smoothly and stop accurately.

[0012] 2. The hanging cart of the LED screen split device for the stage is composed of multiple pairs of running wheels integrated and installed on a strip connecting plate, which avoids concentrated force on the track and realizes lightweight design of the track.

[0013] 3. A buffer mechanism is arranged between the rack of the stage LED screen opening device and the hanging plate trolley to protect the screen body when the LED screen is closed.

[0014] 4. The left and right LED screen frames of the stage LED screen split device are integrated with anti-pinch light curtains to avoid injury to people or objects when the screen is closed, thereby improving the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a stage LED screen split device of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the internal structure of the transmission mechanism;

[0017] Figure 3 for Figure 1 A top view of the transmission mechanism;

[0018] Figure 4 for Figure 1 Structural diagram of the middle buffer mechanism;

[0019] Figure 5 for Figure 1 A top view of the middle buffer mechanism;

[0020] Figure 6 for Figure 1 Schematic diagram of the connection structure between the middle buffer mechanism and the hanging plate car;

[0021] Figure numerals: 1-guide rail, 2-LED screen frame, 3-hanging cart, 4-buffer mechanism, 5-driving mechanism, 6-transmission mechanism, 7-anti-pinch light curtain, 8-gear, 9-linear slide rail, 10-rack, 11-box, 12-spring, 13-fixing rod, 14-connecting block, 15-distance tube, 16-slider. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the technical scheme and technical effects of the utility model, the utility model will be clearly and completely described below through embodiments in conjunction with the drawings of the specification. It should be understood that the embodiments described here are only used to explain a part of the embodiments of the utility model, rather than all the embodiments, and the technical features involved in the various embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] It should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" and "set" should be understood in a broad sense. For example, it can be fixedly connected or set, or detachably connected or set, or integrally connected or set; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements.

[0024] See also Figure 1-6 The utility model provides a stage LED screen split device, comprising a guide rail 1, a hanging plate trolley 3, an LED screen frame 2, a driving mechanism 5, and a transmission mechanism 6; the left and right LED screen frames 2 are respectively mounted on the guide rail 1 through the left and right hanging plate trolleys 3, the driving mechanism 5 is installed in the middle position of the guide rail 1 through the transmission mechanism 6, and the hanging plate trolley 3 is connected to the transmission mechanism 6 through the buffer mechanism 4; the driving mechanism 5 drives the transmission mechanism 6 to perform split and closing actions, thereby driving the buffer mechanism 4 to move, and the two LED screen frames 2 perform split and closing actions accordingly.

[0025] Specifically, the guide rails 1 are two identical channel steels placed mouth to mouth with a certain distance maintained. The guide rails 1 provide support and guidance for the hanging vehicle 3.

[0026] Specifically, in order to avoid concentrated force on the guide rail 1, the hanging plate vehicle 3 is a strip connecting plate with multiple pairs of running wheels integrated therein, the running wheels run on the guide rail 1, and the strip connecting plate is connected to the LED screen frame 2.

[0027] Specifically, the driving mechanism 5 includes a reduction motor, and the transmission mechanism 6 includes a rack 10, a linear slide rail 9, a box 11, and a slider 16. The reduction motor is fixed to the guide rail 1 through the box 11, and the output shaft of the reduction motor is connected to the gear 8 located in the box 11. The two racks 10 are arranged in parallel and located on both sides of the gear 8. Both racks 10 are meshed with the gear 8. The back of the rack 10 is connected to the linear slide rail 9. Two sliders 16 are provided on the linear slide rail 9, and the sliders 16 are fixed to the box 11. The sliders 16 cooperate with the linear slide rail 9 to guide and limit the rack 10. When the reduction motor moves, the racks 10 on both sides move toward each other. The rack 10 is connected to the hanging plate trolley 3 through the buffer mechanism 4, and the LED screen frame 2 is fixed on the hanging plate trolley 3 to realize the opening and closing of the LED screen.

[0028] Specifically, the buffer mechanism 4 includes a spring 12, a fixed rod 13, a connecting block 14, and a distance tube 15. The fixed rod 13 is installed at the rear of the rack 10 and slides through the connecting block 14. The spring 12 is passed through the fixed rod 13. One end of the spring 12 is connected to the connecting block 14, and the other end is connected to the outer end baffle of the fixed rod 13. The connecting block 14 is connected to the strip connecting plate of the hanging vehicle 3 through the distance tube 15 and bolts. When the rack 10 decelerates and moves to the LED screen closed position, the spring 12 will be compressed first to protect the LED screen.

[0029] Specifically, an anti-pinch light curtain 7 is arranged on the inner side of the LED screen frame 2. When a person or object is detected between the two LED screens, the screen body will no longer close, thereby preventing damage to the person or object and protecting the device itself from damage, thereby improving the safety of the device.

[0030] In a preferred embodiment of the utility model, fisheyes are opened in the upper and lower directions at the corresponding positions of the connecting block 14 to reserve a certain amount of shaking in the upper and lower directions for the rack 10, thereby eliminating the internal stress generated during operation and making the overall transmission smoother; the fixed positions of the connecting block 14 and the hanging plate cart 3 should be kept at a certain distance on both sides near the splicing to ensure that there is no interference between the connecting block 14 and the box body 11; the reduction motor is equipped with a dual-function encoder to monitor the speed and displacement at the same time, ensuring reliable operation of the equipment and accurate parking.

[0031] The above description is a preferred embodiment of the present invention, which is used to explain the technical solution of the present invention and is not used to limit the present invention. Those skilled in the art can also make routine modifications, equivalent substitutions and improvements within the spirit and principles of the present invention, which are still included in the protection scope of the present invention.

Claims

1. A stage LED screen split device, characterized by: It includes guide rails, hanging carts, LED screen frames, driving mechanisms, and transmission mechanisms; the left and right LED screen frames are respectively mounted on the guide rails through the left and right hanging carts, the driving mechanism is installed in the middle position of the guide rails through the transmission mechanism, and the hanging cart is connected to the transmission mechanism through the buffer mechanism; the driving mechanism drives the transmission mechanism to open and close, thereby driving the buffer mechanism to move, and the two LED screen frames then open and close.

2. According to claim 1, a stage LED screen split device is characterized by: The guide rails are two identical channel steels, which are placed mouth to mouth with a certain distance maintained.

3. According to claim 1, a stage LED screen split device is characterized by: The hanging plate vehicle is a strip-shaped connecting plate with multiple pairs of running wheels integrated therein, the running wheels run on guide rails, and the strip-shaped connecting plate is connected to the LED screen frame.

4. According to claim 1, a stage LED screen split device is characterized in that: The driving mechanism includes a reduction motor, and the transmission mechanism includes a rack, a linear slide rail, a box body, and a slider. The reduction motor is fixed to the guide rail through the box body, and the output shaft of the reduction motor is connected to the gear located in the box body. The two racks are arranged in parallel and located on both sides of the gear. The two racks are meshed with the gear. The back of the rack is connected to the linear slide rail. Two sliders are provided on the linear slide rail, and the sliders are fixed to the box body.

5. According to claim 1, a stage LED screen split device is characterized by: The buffer mechanism includes a spring, a fixed rod, a connecting block, and a distance tube. The fixed rod is installed at the tail of the rack and slides through the connecting block. The spring is passed through the fixed rod. One end of the spring is connected to the connecting block, and the other end is connected to the outer end baffle of the fixed rod. The connecting block is connected to the strip connecting plate of the hanging truck through the distance tube and bolts.

6. According to claim 1, a stage LED screen split device is characterized by: An anti-pinch light curtain is arranged on the inner side of the LED screen frame.

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