| 摘要 |
<p>The present invention provides a bell packer for moving a pair of pallets located within bell portions of a pair of concrete pipe jackets comprising: a base, a pair of upright posts secured to the base, a carriage slidably mounted on the posts, means connected to the carriage selectively operable to move the carriage to an up position and a down position, a pair of pallet vibrating and turning units mounted on the carriage operable to engage a pair of pallets when the carriage is in the up position, each unit having a rotatable base, a plurality of upright tubular members secured to the base, a plurality of legs, elastic means mounting the legs on the tubular members, a table secured to the legs, pallet engaging means mounted on the table, vibrator means attached to the table, and drive means drivably connected to the base of each unit to concurrently rotate the bases whereby when the drive means and vibrator means are operated the two pallets are concurrently rotated and vibrated.</p> |
