Cov cranes hauv pem teb yog cov khoom siv me me uas siv rau kev nqa lossis tsiv khoom. Feem ntau, lub peev xwm nqa tau txij li 300kg txog 500kg. Lub ntsiab lus tseem ceeb yog tias nws lub peev xwm thauj khoom yog dynamic, uas txhais tau tias thaum lub caj npab telescopic nthuav dav thiab tsa, lub peev xwm thauj khoom txo qis. Thaum lub caj npab telescopic raug rub rov qab, lub peev xwm thauj khoom tuaj yeem ncav cuag li 1200kg, ua rau nws tsim nyog rau cov haujlwm yooj yim tsiv khoom hauv tsev rau khoom, uas txuag tau neeg ua haujlwm thiab yooj yim heev. Thaum qhov siab nce, lub peev xwm thauj khoom tuaj yeem txo qis mus rau 800kg, 500kg, thiab lwm yam. Yog li ntawd, cov cranes hluav taws xob portable yog qhov tsim nyog heev rau kev siv hauv cov chaw ua haujlwm. Qhov hnyav ntawm cov khoom tsheb tsis hnyav heev, tab sis lawv nyuaj rau tib neeg tsa tes. Nrog kev pab ntawm lub crane me me, cov khoom hnyav xws li cav tuaj yeem nqa tau yooj yim.

Hais txog cov qauv tsim khoom tam sim no, peb muaj tag nrho 6 tus qauv txheem, faib raws li cov khoom siv sib txawv. Rau peb lub hydraulic mobile crane, tus nqi nyob nruab nrab ntawm USD 5000 thiab USD 10000, sib txawv raws li lub peev xwm thauj khoom uas tus neeg siv khoom xav tau thiab cov khoom siv teeb tsa. Hais txog kev tsim khoom thauj khoom, qhov siab tshaj plaws thauj khoom feem ntau yog 2 tons, tab sis qhov no yog thaum lub caj npab telescopic nyob rau hauv lub xeev retracted. Yog li ntawd, yog tias koj xav tau lub crane me me yooj ywm thiab yooj yim, koj tuaj yeem xav txog peb lub crane hauv pem teb me me.