Thawj tus tsim los ntawm German inventor Werner von Siemens hauv xyoo 1880. Tus neeg tsim khoom dub, Alexander Miles patented lub elevator hluav taws xob (U. S. pat371, 207) thaum Lub Kaum Hli. 11, 1887.
Lub elevator tau tsim thaum twg?
Lub OTIS ELEVATOR COMPANY tuaj yeem taug qab nws lub hauv paus pib rau 1853, thaum Elisha Graves Otis tau qhia thawj tus neeg caij elevator kev nyab xeeb ntawm Crystal Palace Convention hauv New York City. Nws qhov kev tsim kho tau qhuas cov neeg saib ntawm lub rooj sib tham, thiab thawj tus neeg caij elevator tau teeb tsa hauv New York City xyoo 1856.
Puas yog thawj lub elevator tau tsim?
elevators thaum ub siv los ntawm lub log dej, tsiaj txhu, lossis tib neeg tau tsim tawm ncig 300 BC. Hom of elevator no tau siv rau yuav luag 2,000 xyoo. Tus thawj tib neeg-powered, counter-weighted, tus kheej elevator tau tsim nyob rau hauv 1743 rau King Louis XV ntawm Fabkis.
elevator tau tsim li cas?
elevators niaj hnub tau tsim thaum xyoo 1800s. Cov elevators crude no maj mam hloov zuj zus los ntawm chav tsav mus rau lub zog hydraulicthawj hydraulic elevator tau tsim los siv cov dej siab los ua lub zog. Lawv tau siv rau kev xa khoom hauv cov chaw tsim khoom, warehouses thiab mines.
Puas muaj cov neeg ua haujlwm of the elevator?
Cov neeg ua haujlwm of the elevator yog cov neeg ua haujlwm tsis tu ncua rau elevators hauv cov tsev loj loj lossis cov tsev lag luam thiab tsev so - ib txoj haujlwm uas yuav luag extinct.
