B66C1/12

SLING BARS FOR LIFTING SYSTEMS AND METHODS FOR OPERATING SLING BARS
20200010305 · 2020-01-09 · ·

A sling bar includes a bar extending between a first end and a second end, and a sling attachment member positioned at at least one of the first end and the second end, the sling attachment member including a bar attachment portion coupled to the bar, a lift hook extending outward from the bar attachment portion, the lift hook defining an upward-facing opening, and a latch member pivotally coupled to one of the bar attachment portion or the lift hook, where the latch member is repositionable between a closed position, in which the latch member extends across the upward-facing opening and engages the other of the lift hook or the bar attachment portion, and an open position, in which the latch member is spaced apart from the upward-facing opening and the other of the lift hook or the bar attachment portion.

APPARATUS AND METHOD FOR CARRYING ELONGATE CONSTRUCTION ELEMENTS

Disclosed herein is an apparatus and method for carrying a plurality of elongate construction elements such as pipes. The apparatus comprises opposing side members and a joining member. Each of the side members is elongate in width and comprises one or more couplings and attachment points. The couplings are configured to receive thereat corresponding couplings of a lifting machine. The attachment points are spaced along the width of the side member and configured to receive construction element engaging members thereat. The joining member is between the side members and has a length that is adjustable to define a separation between the side members which corresponds to a length of the construction element.

APPARATUS AND METHOD FOR CARRYING ELONGATE CONSTRUCTION ELEMENTS

Disclosed herein is an apparatus and method for carrying a plurality of elongate construction elements such as pipes. The apparatus comprises opposing side members and a joining member. Each of the side members is elongate in width and comprises one or more couplings and attachment points. The couplings are configured to receive thereat corresponding couplings of a lifting machine. The attachment points are spaced along the width of the side member and configured to receive construction element engaging members thereat. The joining member is between the side members and has a length that is adjustable to define a separation between the side members which corresponds to a length of the construction element.

Loop Structure, Method for Producing a Loop Structure and Element

This invention relates to a loop structure (7) comprising at least two elements (1), wherein each element (1) comprises at least one loop (5) that interlocks with at least one loop (5) of an additional element (1). In accordance with the invention, it is proposed that each of the elements (1) has a multiple number of strands (2), at least partially made of flexible material, wherein the strands (2) of the element (1) are processed in a textile-like manner into at least two webs that are spaced apart from each other in the longitudinal direction of the element (1); in particular, they are braided, woven, knitted and/or enmeshed, and the strands (2) are divided into sections and each part is processed in a textile-like manner into a wing (4), wherein at least two wings (4) connect two of the webs (3) to each other and the loops (5) are formed from the wings (4). Furthermore, the invention relates to a method for producing a loop structure (7) as described above and an element (1) that has a loop (5).

Method for installing rotor blades of a wind turbine

Thus there is provided a method of installing rotor blades of a wind turbine to a rotor hub of the wind turbine. The wind turbine has a tower having a tower longitudinal axis. The rotor hub has a first, a second and a third rotor blade connection. The rotor hub is rotated until the first rotor blade connection is at an angle of 90? or 270? with respect to the tower longitudinal axis. The first rotor blade is lifted substantially horizontally and fixed to the rotor blade connection. The rotor hub is rotated so that the second rotor blade connection is at an angle of 90? or 270? with respect to the tower longitudinal axis. The second rotor blade is lifted substantially horizontally and fixed to the second rotor blade connection. The rotor hub is further rotated until the third rotor blade connection is at an angle of 60? or 300? with respect to the tower longitudinal axis. The third rotor blade is lifted at an angle of ?=30? with respect to a horizontal and fixed to the third rotor blade connection.

Adjustable sling bars for subject lifting systems and methods for operating the same

A sling bar assembly allows variable positioning of a sling on the sling bar assembly. Some sling bar assemblies include opposing sling bar members that are movable with respect to one another in a lateral direction. Some opposing sling bar members are repositionable between a locked position, in which movement of the sling members with respect to one another is restricted, and an unlocked position. Some sling bar assemblies include multiple sling hooks positioned on a sling bar member. Some sling bar assemblies include a biasing member that permits movement of a sling hook with respect to the sling bar assembly in the lateral direction.

Master link test fixture assembly
11945694 · 2024-04-02 · ·

A test fixture assembly for proof testing of a master link and a sling assembly. In one embodiment, the test fixture assembly includes a lift connector with a pair of opposed eyes and a pin receivable through the pair of eyes. An optional guide sleeve is receivable over the pin between the opposed eyes. A pair of opposed plates are suspended from the pin. At least a first pair of spaced apart load posts extend between the pair of opposed plates and are configured to receive a master link. For testing a sling assembly with multiple sling legs, a pivoting equalizer plate and a pair of spaced apart equalizer connectors are configured to pivotally connect to the multiple sling legs.

Woven strap with out of service marker

A woven webbing, for use in a tiedown or sling for lifting, restraint or other material handling functions, has a webbing width which extends from a first edge surface of the woven webbing to a second edge surface of the webbing. Visible out of service markers are woven in the woven webbing at designated distances from the edge surfaces. The out of service markers are visually distinct from woven webbing material of the woven webbing. The visible out of service markers serve as a tool for indicating when the amount of damage concentrated along the edge of the webbing has penetrated to a level such that the woven webbing needs to be taken out of service.

A HOIST MECHANISM AND A STEPLESS ADJUSTMENT SYSTEM

The invention relates to a hoist mechanism (20) intended primarily, but not exclusively, for moving a motor driven wheelchair or scooter into and/or out of the load carrying space of a vehicle. The hoist mechanism (20) comprises a lifting arm having, at least in part, a generally U-shaped cross section, and an actuator (28). A mounting point (56) for the actuator (28) is provided within the generally U-shaped cross section. The invention also relates to a stepless adjustment system suitable for use in such a hoist mechanism (20). The adjustment system comprises an inner section (34) received within an outer section (24) in a telescoping arrangement. The outer section (24) comprises first and second body portions (44A, 44B) provided with features for engaging corresponding features (48A, 48B) provided on the inner section (34).

Lifting and Transporting System
20190322494 · 2019-10-24 ·

Jack units attach skates to an object to be moved. Each jack unit has a tongue that slidably engages a coupling slot affixed to the object, and can be operated to raise or lower the tongue; when raised, the object is supported on the skates and can be rolled to a new location. A crane can attach to lift eyes on the jack units to allow the system to be lifted with the skates attached to the object, avoiding the risk to operators of positioning the skates under the object while it is suspended. Rotation-limiting structures can be selectively employed to block rotation of the trailing skates to facilitate steering when rolling the object supported by the system. The coupling slots can be provided in coupling elements which can attach directly to the object or which can be employed to form a freestanding frame to which the object is secured.