Falling preventing device for lifting hook
A technology of anti-dropping device and hook, which is applied in the directions of safety device, transportation and packaging, load hanging components, etc., can solve the problems of safety production loss and no anti-dropping measures.
Active Publication Date: 2013-04-03
LAIWU IRON & STEEL GRP
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Problems solved by technology
[0003] In the field of metallurgy, the crane is an indispensable lifting device in the metallurgical production process. When the crane hook in the prior art hooks up heavy objects, no anti-off measures are adopted. Once the heavy objects are decoupled, it will cause serious losses to safe production.
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[0022] The invention provides a hook detachment prevention device, which can effectively prevent decoupling and eliminate potential safety hazards in the working process.
[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] Please refer to figure 1 and figure 2 , figure 1 It is a structural schematic diagram of the hook anti-off device in the specific embodiment of the present invention; figure 2 It is a schematic diagram of the partial structure of the hook detachment prevention device...
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The invention discloses a falling preventing device for a lifting hook. The falling preventing device for the lifting hook comprises a lifting hook connecting component, a hinge pin and a movable sleeve, wherein the lifting hook connecting component is fixedly connected to the upper part of the lifting hook; the hinge pin is fixedly connected to the lifting hook connecting component and downwards extends; the movable sleeve can be axially arranged on the hinge pin in a sliding and sleeving way; an opening at the lower end of the movable sleeve is corresponding to the point of the lifting hook; the hinge pin is provided with a positioning groove; an inserting hole is formed in a part on the sidewall of the movable sleeve, corresponding to the positioning groove; a positioning pin is inserted into the inserting hole; and once the positioning pin is inserted into the positioning groove, the point of a latch hook extends into the opening at the lower end of the movable sleeve. The falling preventing device for the lifting hook, provided by the invention and arranged in such a way, can effectively prevent the lifting hook from falling, and eliminate the potential risk in working.
Description
technical field [0001] The invention relates to the technical field of lifting equipment, in particular to an anti-off device for a hook. Background technique [0002] With the rapid development of my country's industry, lifting equipment has been widely used in various fields, such as construction, metallurgy and other fields. [0003] In the field of metallurgy, the crane is an indispensable lifting device in the metallurgical production process. When the crane hook in the prior art hooks up heavy objects, no anti-off measures are adopted. Once the heavy objects are decoupled, it will cause serious losses to safe production. . [0004] Therefore, providing an anti-decoupling device to eliminate potential safety hazards in the working process has become an important technical problem to be solved by those skilled in the art. Contents of the invention [0005] In order to solve the above technical problems, the present invention provides a hook detachment prevention devi...
Claims
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IPC IPC(8): B66C1/36B66C15/00
Inventor 孔令强李业强吕品王蕾崔帆
Owner LAIWU IRON & STEEL GRP