a spreader

A spreader, No. 1 technology, applied in the field of spreaders, can solve problems such as insufficient clamping force and limited weight of lifting objects
CN109484967BActive Publication Date: 2020-09-11TAIXING CHENGUANG RIGGING
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
TAIXING CHENGUANG RIGGING
Publication Date
2020-09-11

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Abstract

The invention belongs to the technical field of lifting appliances, in particular to a lifting appliance. The lifting appliance comprises a lifting ring, a first shell and a second shell. The liftingappliance further comprises a driving unit, a grabbing unit, a clamping unit and a controller. On the one hand, the lifting ring is pulled, and according to the size of the object to be grasped, through the mutual cooperation between a first cylinder, a differential mechanism, a first worm, a first slide block, a rack, a first gear, a second worm, a third worm and a second slide block, the secondworm and the third worm rotate towards the side close to the first gear, so that the grasping unit tightly clamps the object, and the object is prevented from falling off in the lifting process, so that the lifting safety of the object lifting is improved; and on the other hand, during lifting of the lifting ring, a fixing plate presses a first air bag, and the gas generated by the first air bag is used for lifting the object, so that additional power equipment is avoided, the overall weight of the lifting tool is increased, the weight of the lifting tool for lifting the object is influenced,and the practicability of the lifting tool is improved.
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Description

technical field

[0001] The invention belongs to the technical field of slings, in particular to a sling. Background technique

[0002] The spreader refers to the device for lifting heavy objects in the hoisting machinery; the most commonly used spreaders for lifting the finished items are hooks and slings, and others include rings, lifting suction cups, clamps and forks; they are widely used in the lifting industry.

[0003] In the prior art, there is also a technical solution of a patent on a suspension. For example, a Chinese patent with application number 2015108369714 discloses a cylinder suspension, which includes a suspension ring, a cross bar, and a grabbing device. The suspension ring passes through the The cross bar is arranged above the grabbing device to provide a lifting point for suspending the grabbing device; the hanger also includes a clamping device; the grabbing device includes a left ratchet, a right ratchet Claws, the left and right pawls are symmetrica...

Claims

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