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A crawler crane and its anti-dropping device

A technology of anti-off device and hoisting car, which is applied in the direction of transportation and packaging, load hanging components, cranes, etc. It can solve the problems that the hook is not equipped with anti-off device and the object is easy to dehook, so as to achieve stable lifting of objects and easy lifting object effect

Active Publication Date: 2022-05-13
徐州中地探矿机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The telescopic boom is connected to the object by the hook when lifting the object, but there is no anti-detachment device on the hook, which makes the object easy to dehook during the lifting process

Method used

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  • A crawler crane and its anti-dropping device
  • A crawler crane and its anti-dropping device
  • A crawler crane and its anti-dropping device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: a kind of anti-off device of crawler crane, such as figure 1 , comprising a first fork 1 and a second fork 13 hinged to each other, the first fork 1 is a hook, the hook includes a slant bar 11 and an arc-shaped plate 12 arranged at the lower end of the slant bar 11, and the arc-shaped plate 12 is far away from the inclination bar One end of 11 extends toward the inclined rod 11, the second swing rod 13 is hinged with the upper end of the inclined rod 11 and the second swing rod 13 closes the gap between the curved plate 12 and the inclined rod 11, and the curved plate 12 is provided with a limiter Two fork 13 rotation limiting parts.

[0025] Such as figure 1 , place the wire rope on the object on the arc plate 12, at this time the second swing bar 13 closes the gap between the arc plate 12 and the inclined bar 11 on the first swing bar 1, reducing the wire rope from the arc plate 12 If there is a possibility of slipping out, the stopper will limit the s...

Embodiment 2

[0029] Embodiment 2: An anti-off device for a crawler crane, the difference from Embodiment 1 is that, as figure 2 and image 3 , the structure of the second swing link 13 is consistent with that of the first swing link 1, and the stopper includes the first swing link 1 and the end of the second swing link 13 away from the arc-shaped plate 12 and is connected together through the rotation shaft 16, and the rotation shaft 16 One end passing through the first swing rod 1 is connected with a connecting plate 161, the connecting plate 161 is provided with a first shaft 162 parallel to the rotating shaft 16, the first shaft 162 is covered with a fixed plate 163, and the connecting plate 161 is mounted on the fixed plate. 163 and the upper end of the second swing bar 13 are provided with a pressing plate 164, and the pressing plate 164 is provided with a through hole 1641 for the rotation shaft 16 and the first shaft 162 to pass through. 165 , the rotating shaft 16 and the first s...

Embodiment 3

[0035] Embodiment 3: a crawler crane, including the above embodiment 1 or embodiment 2.

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Abstract

The invention discloses a crawler-type hoisting vehicle and its anti-off device, which achieves the purpose of facilitating the hook to lift objects stably, and relates to the field of cranes. The key points of the technical solution are: comprising a first swing link and a second swing link hinged to each other , the first swing rod is a hook, the hook includes a tilt rod and an arc-shaped plate arranged at the lower end of the tilt rod, the end of the arc-shaped plate away from the tilt rod extends toward the direction of the tilt rod, and the second swing rod and The upper end of the tilting rod is hinged and the second swinging rod closes the gap between the arc-shaped plate and the tilting rod, and the arc-shaped plate is provided with a limiting member which limits the rotation of the second swinging rod.

Description

technical field [0001] The invention relates to the field of cranes, more specifically, it relates to a crawler crane and an anti-detachment device thereof. Background technique [0002] The crawler crane transports some large workpieces. [0003] Notification number is that the Chinese patent of CN206384745U discloses a kind of crawler crane, comprises crane main body, boom, boom support column, hoisting device and universal wheel, and boom is connected with hoisting device, is provided with in the boom. Telescopic telescopic boom, the lifting device is fixedly connected to the boom support column, and the boom support column is fixed at the center of the main body of the trolley; the main body of the trolley is equipped with a power system device, which is connected to the universal wheel to drive the universal wheel to rotate , the universal wheels drive the crawler to rotate and drive the chassis to walk; the front and rear ends of the main body of the trolley are equip...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C1/36B66C23/88
CPCB66C1/36B66C23/88
Inventor 张基刚
Owner 徐州中地探矿机械科技有限公司