Safe and reliable lifting frame
A lifting frame, a reliable technology, applied in the field of lifting frame, can solve the problems of safety hazards, unsatisfactory use effect, and insufficient reliability, etc., and achieve high reliability and ideal use effect
Inactive Publication Date: 2016-09-21
SANMING HUAFENG MACHINERY
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- Description
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- Application Information
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Problems solved by technology
[0005] Of course, the lifting frame device of the hoist lifting mechanism using such technology can be used, but its reliability depends on the overall comprehensive reliability of multiple link components; any problem with any component will cause safety hazards
The reliability is not high enough, and the use effect is not ideal enough
Method used
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Embodiment Construction
[0024] Embodiments of the present invention, such as Figure 1 to Figure 5 shown. A safe and reliable lifting frame, comprising a fixed frame 1, a movable frame 2, an electric winch 10 arranged outside the lower part of the fixed frame 1, a lifting control device for the electric winch 10, and an anti-falling device for the movable frame 2; The steel cable 13 is pulled and connected with the movable frame 2 through the fixed pulley 14 located at the top of the fixed frame 1; Inside the frame; the anti-falling device includes four groups of one-way non-return devices arranged in rotational symmetry with each other; each group of one-way non-return devices includes a plurality of side edge frame bars arranged at intervals up and down on the fixed frame 1 Lug 3 on the side, a fulcrum is arranged on the lever-type one-way rotating rod 4 on the corresponding side edge frame bar side of movable frame 2; One-way rotating rod 4 is horizontally arranged; The arm is a resistance arm, ...
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The invention discloses a safe and reliable lifting frame. The safe and reliable lifting frame comprises a fixed frame body, a movable frame body, an electric winch, a lifting control device of the winch and an anti-falling device of the movable frame body, and the electric winch is arranged on the outer side of the lower portion of the fixed frame body. Steel cables in transmission connection with the winch are in pulling connection with the movable frame body through fixed pulleys arranged at the top of the fixed frame body. The movable frame body and the fixed frame body are both square-frame-shaped frame bodies. The movable frame body is arranged in a frame body of the fixed frame body in a sleeved mode. The anti-falling device comprises four sets of one-way non-return device bodies which are rotationally and symmetrically arranged. Each set of one-way non-return device body comprises a plurality of protruding blocks and a lever-type one-way rotating rod, wherein the protruding blocks are arranged on the side surface of each lateral edge frame strip of the fixed frame body at intervals up and down, and the supporting point of each lever-type one-way rotating rod is arranged on the side surface of a corresponding lateral edge frame strip of the movable frame body. Each one-way rotating rod is horizontally arranged. An arm, close to the inner side, of each one-way rotating rod is a resisting arm. An arm, close to the outer side, of each one-way rotating rod is a power arm. The length of each resisting arm is larger than that of the corresponding power arm. A non-return stop block pressing against each lateral edge frame strip of the movable frame body is arranged in the position, close to the corresponding supporting point, of the top surface of each power arm. The reliability is higher.
Description
technical field [0001] The invention belongs to the technical field of machinery and relates to a safe and reliable lifting frame. Background technique [0002] The lifting frame is a commonly used construction device, and its convenience and reliability of lifting are very important for safe operation. [0003] The lifting frame device of the prior art has various structures, some use hydraulic system to control the lifting, some use the rack and pinion mechanism, and some use the hoist for lifting. The mechanism adopting the hydraulic system to control the lifting and the rack and pinion has high reliability, but the structure is relatively complicated and the cost is high. The structure adopting the hoist lifting mechanism is relatively simple, the cost is low, but the reliability is relatively poor. [0004] The hoist frame of hoist hoist mechanism of prior art, its structure refers to figure 1 , usually includes a fixed frame 1, a movable frame 2, an electric winch 10...
Claims
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IPC IPC(8): B66F11/04
CPCB66F11/04
Inventor 赖连钢
Owner SANMING HUAFENG MACHINERY