Urban underground construction demonstration sand table model

An urban underground construction demonstration sand table model comprises a base, the top of the base is provided with an assembling assembly, the assembling assembly comprises a chassis and a mounting disc, the top surface of the mounting disc is provided with a demonstration sand table main body...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XIE HANSHENG, WANG JIZHONG, LIU HUALIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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Beschreibung
Zusammenfassung:	An urban underground construction demonstration sand table model comprises a base, the top of the base is provided with an assembling assembly, the assembling assembly comprises a chassis and a mounting disc, the top surface of the mounting disc is provided with a demonstration sand table main body and protection mechanisms, the protection mechanisms are symmetrically arranged on the mounting disc, and the side surfaces of the protection mechanisms are provided with fixing assemblies; the protection mechanism comprises a mounting box and two mounting plates, the two mounting plates are symmetrically arranged on the surface of the mounting box, the two ends of each mounting plate are connected with a rotating shaft of the mounting box, and a first groove is formed in the mounting box; the demonstration sand table body arranged on the top surface of the mounting disc can visually display the urban underground construction state to constructors, the constructors can demonstrate urban underground construction mor