摘要:
An elevator comprising an elevator body secured to a building structure and provided with a winder for winding a plurality of suspenders, and an elevating/lowering section being suspended to move freely up and down by the plurality of suspenders led out from the suspender outlet of the elevator body. The elevator further comprises a tension adjuster for substantially equalizing the tensions of respective suspenders by acting on the respective suspenders located between the suspender outlet of the elevator body and the winder. The elevating/lowering section can be moved up and down in a stabilized attitude and safety is enhanced against cutting and dropping of the suspenders.
摘要:
A lift drive comprising: a spiral drive element having an axis of rotation, a rack having teeth sized and shaped to be engaged by the spiral drive element, the rack having a longitudinal axis parallel to the axis of rotation, and a motor to rotate the spiral drive element, wherein upon the spiral drive element-rotating, one of the spiral drive element and the rack moves relative to the other along the longitudinal axis.
摘要:
A method for making a scissor elevator assembly includes the steps of providing a mounting platform for being arranged on a support surface, providing a scissor assembly with at least two scissor columns for carrying an elevator car and being arranged underneath the elevator car, each scissor column having at least one pair of arms, and providing a drive mechanism that is capable of applying a force for unfolding the scissor assembly. A module is pre-assembled by securing the scissor columns to the mounting platform for installment on-site and the function of the scissor columns is examined.
摘要:
An elevator includes an elevator car supported on a scissor assembly connected to a drive mechanism. The scissor assembly has two vertical scissor columns each comprising at least one pair of arms that are pivotally movable relative to one another. The drive mechanism mechanically interacts with the scissor assembly for applying a force in order to move the elevator car upwards by unfolding the scissor assembly. At least one spring element provides a spring force which acts on at least one of the arms to provide an upwards oriented counterforce on the elevator car.
摘要:
Cartridge-handling apparatus for use in a media storage system. According to an embodiment of the invention, the cartridge-handling apparatus may comprise a platform mounted in the media storage system and movable along a displacement path defined therein. A carriage is mounted to the platform and rotatable about a line normal to the displacement path. In addition, a cartridge-engaging assembly is mounted to the carriage, and faces different directions when the carriage is so rotated. A lift system operatively associated with the cartridge-engaging assembly is provided for vertically positioning the cartridge-engaging assembly relative to the carriage.
摘要:
A hoist mechanism for raising and lowering a platform within the interior of a tower and confined within the tower interior. In a first illustrative embodiment, a motor driven worm gear drives rubber coated wheels that are spring loaded to apply pressure to vertical tower members.
摘要:
A lifting apparatus including a base, a load platform, a vertically expandable actuator linkage mechanically coupled between said load platform and said base, and a glycol operated actuator chamber having a compressible bellows. Means are provided for mechanically coupling the compressible bellows between the base or platform and the linkage. This provides an extremely stable platform, and one which remains rock solid once it is set in position, because glycol is a non-compressible fluid and is not affected by normal temperature variations found in industrial settings.
摘要:
A rope climbing elevator (10) includes prime movers (40,42) and drive sheaves (32,34) secured to the car (10) and engaging stationary ropes (12-26).
摘要:
A first slidable auxiliary pinion (58a) on the bottom of a horizontally moveable elevator cab A (FIGS. 2-6) disposed on a car frame (14) or a landing is moved out from under the cab toward another car frame (13) or landing by means of a motorized pinion (56) until it engages a motorized pinion (57) on the adjacent car frame (13) or landing, which then pulls the auxiliary pinion and the entire cab toward the other car frame or landing until a main rack (45) fixed to the bottom of the cab engages a motorized pinion (34) on the other car frame (13) or landing, which pinion then pulls the entire cab onto the other car frame or landing. The auxiliary racks (58a, 58b) may be mounted on a common auxiliary rack member (58), or may be separate. The auxiliary motorized pinions (55, 56, 57) may be bidirectional, or may be; and auxiliary pinions (32C, 33C, 34C) may be; mounted on the same shaft with main pinions (32b, 33b, 34b).
摘要:
The present invention resides in an elevator mechanism comprising a base plate defining the bottom wall of a chamber disposed above the base plate. The base plate has a top surface and a bottom surface with an opening therein communicating between the top and bottom surfaces. A first drive is disposed below the base plate for linear movement parallel to a first given direction. A carriage is connected for movement to the first drive and carries a lift tube extended upwards from the carriage along the given direction and through the opening in the base plate. The lift tube including a coaxially disposed rotary shaft therewithin. A second drive having an output is provided and is supported on the carriage parallel to the given direction and spaced from the rotary shaft in a side-by-side orientation. A coupling is also provided for drivingly connecting the output of the second drive to the rotary shaft.