Single-span beam structure demonstration experiment device with liftable support

Abstract

The invention discloses a single-span beam structure demonstration experiment device with a liftable support. The device comprises two box bodies, wherein the two box bodies abut against each other and are rotatingly connected, the inner bottoms of the two box bodies are rotatingly connected with threaded cylinders, and adjusting mechanisms are disposed between the two threaded cylinders and the box bodies at the same side; threaded rods are in threaded connection with the interiors of the two threaded cylinders correspondingly, supporting plates are fixedly connected with the upper ends of the two threaded rods correspondingly, limiting pieces are fixedly connected between the two supporting plates and the opposite inner bottom of the box body, and T-shaped guide rails are fixedly connected with the upper ends of the two supporting plates correspondingly. The device is reasonable in structure, by arranging the second bevel gear with incomplete teeth, the threaded rod can accurately ascend by 0.5 cm, operation is convenient, simple and more accurate, meanwhile, by arranging the two box bodies, the threaded cylinder and the like can be stored and protected, dust is not prone to falling on the threaded cylinder and the like, reuse is facilitated, meanwhile, the threaded cylinder and the like are not prone to collision, and protection of the threaded cylinder and the like is achieved.

Description

Technical field[0001]The present invention relates to the technical field of teaching practice of civil engineering professional structural mechanics, and more particularly to a single-span-beam structure presentation experimental device that can be lifted down.Background technique[0002]The prior art discloses a single-span-shaped beam structure presentation experimental device for the disclosure of CN202020919416.4, which belongs to the teaching practice of structural mechanics of civil engineering. The experimental device includes a bottom plate, a lifting frame, a connecting plate, a detachable rail, a detachable slider, a pallet, a pressure sensor, a mount, a hinge point, a just node, a straight round rod, a strain sheet, and a collection device. . A single-mixer structure in accordance with the utility model can be lifted, and the experimental set is convenient and scientifically, it can process the real experiment and instantly process the experimental results, very suitable f...

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Problems solved by technology

[0003] There are certain deficiencies in the above patent documents. It is inconvenient to fold and store the whole device, which is inconvenient to carry, and when it is placed, it is easy to accumulate dust on the surface, which is not convenient for reuse. Therefore, we have designed a support that can be lifted and lowered. The single-span beam structure demonstration experimental device to solve the above problems

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