Stretching method for stage
A stage and main stage technology, applied in the processing of building materials, theaters, buildings, etc., can solve the problems of inconvenient disassembly and assembly, and reduce storage space, and achieve the effect of ensuring stability, reducing storage space, and reducing volume.
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specific Embodiment approach 1
[0030] An extended stage disclosed in this embodiment combines figure 1 and figure 2 shown;
[0031] The stage includes a main stage, and the front end of the main stage is provided with an extension platform extending toward the auditorium. The extension platform includes: a stage board 1, a locking device 2, an electromagnet 3 and a bracket 4, and several of the stage boards 1. The head and tail are hinged in sequence to form a stage board chain. Each stage board 1 is provided with a locking device 2 inside. The main stage is provided with a stage board storage cavity 5. One end of the stage board chain It is folded and stored in the stage board storage cavity 5, and the other end of the stage board chain protrudes to the outside of the main stage. Two electromagnets 3 are arranged in the main stage, and the two electromagnets 3 are respectively arranged on the extension of the stage board chain. On both sides of the outlet end, and a bracket 4 is arranged between the ext...
specific Embodiment approach 2
[0040] This embodiment is based on the specific implementation mode 1, specifically, in combination with figure 2 As shown, the two ends of the connecting rod slider 23 are provided with a magnetic block 231, and when the electromagnet 3 attracts the connecting rod slider 23, the connecting rod slider 23 is slid by attracting the magnetic block 231 through the electromagnet 3;
specific Embodiment approach 3
[0041] This embodiment is based on the second specific implementation mode, combining Figure 5 As shown, the telescopic shaft 24 includes: an outer sleeve 241, a telescopic spring 242 and an inner sleeve 243, the inner sleeve 243 is nested in the outer sleeve 241, and a Telescopic spring 242, and the telescopic spring 242 is in the pressing device, the end of the outer sleeve 241 is hingedly connected with the connecting rod slider 23, and the end of the inner sleeve 243 is hingedly connected with the stage board 1;
[0042] The vertical distance between the slider groove 13 and the right end of the telescopic shaft 24 is less than the length of the telescopic shaft 24, so that when the connecting rod slider 23 slides from one end of the slider groove 13 to the other end, the telescopic shaft 24 is compressed and released to make the connecting rod When the rod slider 23 is at one end of the slider groove 13, the telescopic shaft 24 applies a pressure towards the connecting r...
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