Dalam istilah yang paling mudah, kren atas ialah mesin, atau peralatan, yang membolehkan anda mengangkat dan memindahkan bahan berat dari satu lokasi ke lokasi lain dengan cara yang tepat. Tiada pendekatan "satu saiz sesuai untuk semua" untuk mentakrifkan kren atas, kerana setiap kren atas direka bentuk dan direka bentuk dengan teliti untuk tujuan atau aplikasi tertentu untuk memenuhi keperluan pengendalian bahan perniagaan.

Kren gantri tayar getah (RTG) adalah peralatan khas untuk merungkai, memuat dan memunggah kontena bertaraf antarabangsa. Berlari dan bergerak di halaman, ia mempunyai kelebihan kecekapan pengeluaran yang tinggi, kebolehgerakan yang baik, dan kepekaan yang rendah terhadap ketidaksamaan tanah. Kren RTG boleh didapati dalam model troli traktor dan troli standard. Kren RTG dikuasakan oleh dram kabel. Pada masa yang sama, set penjana diesel dilengkapi sekiranya berlaku gangguan bekalan elektrik atau kren dipindahkan ke halaman lain.

SEVENCRANE can provide top running overhead crane products to our customers in a short period of time, because we have our own overhead crane factory, many years of work experience and friendly cooperation with domestic logistics.

Electric overhead traveling cranes or EOT cranes are a common type of overhead crane, also called bridge cranes. They consist of parallel runways, much akin to rails of a railroad, with a traveling bridge spanning the gap.EOT cranes are specifically powered by electricity.

Rail mounted gantry crane is a type of lifting equipment that is installed horizontally in workshops, warehouses and yards for material lifting. Because its two ends are located on tall concrete columns or metal supports, the bridge of the gantry crane runs longitudinally along the tracks laid on both sides of the elevated frame.

Single girder overhead cranes are designed according to international standards. It is a lightweight material handling equipment with a single beam running on a suspended track, usually equipped with a CD or MD electric hoist. Single girder bridge cranes span 3-15 meters, operating speed 20 m/min and 30 m/min.It can be customized according to service conditions and user requirements.