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Luffing crane boom

A technology of cranes and booms, which is applied in the field of luffing crane booms, can solve problems such as crane damage, and achieve the effect of convenient lifting and lifting objects

Inactive Publication Date: 2019-02-26
陈静
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to meet the above requirements, the size of each part of the crane jib must be correspondingly increased, and its dynamic characteristics at the moment of starting and braking during operation, especially the dynamic characteristics of the jib part, are very obvious. Often have adverse effects on the jib system, and even directly lead to damage to the crane

Method used

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  • Luffing crane boom

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Effect test

Embodiment

[0014] see figure 1 , the present invention provides a technical solution: a luffing crane boom, including a hydraulic cylinder 10 and a boom 6, the upper surface of the hydraulic cylinder 10 is fixed with a telescopic boom 11, and the telescopic boom 11 The other end is provided with a mast 13, and an engine motor 16 is also fixedly installed on the front of the hydraulic cylinder 10. A herringbone frame 9 is also installed on the bottom surface of the hydraulic cylinder 10, and an orientation sensor 17 is installed on the upper surface of the hydraulic cylinder 9. The lower end of orientation sensor 17 is equipped with counterweight device 8, and this counterweight device 8 is equivalent to a lifting lever, can reduce the bearing force on the jib 6, and herringbone frame 9 is fixedly installed on the turntable 7, on the turntable 7 The boom system monitoring device 20 is installed on the surface, which can monitor the moving range of the boom 6 at all times, and the disembar...

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PUM

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Abstract

The invention discloses a luffing crane boom. The luffing crane boom comprises a hydraulic cylinder and a boom, wherein a telescopic hoist boom is fixedly mounted on the upper surface of the hydrauliccylinder; a mast is arranged at the other end of the telescopic hoist boom; and a starting motor is also fixedly mounted on the front side of the hydraulic cylinder. The luffing crane boom is characterized in that a propeller strut is also mounted on the bottom surface of the hydraulic cylinder; an orientation sensor is mounted on the upper surface of the propeller strut; a counterweight device is mounted at the lower end of the orientation sensor; besides, the propeller strut is fixedly mounted on a rotary table; a driver cab is arranged at the other end of the rotary table; a control systemis arranged inside the driver cab; a lifting hook is fixedly connected to the boom through a rotating block mounted on the inner side of the boom; one end of the lifting hook penetrates through a gear and is fixedly connected with an L-shaped connecting rod arranged below the gear; a combined spring is also mounted on the inner side face of the boom; a mechanical gripper is fixedly mounted at theother end of the combined spring; and the boom is in sliding connection with the mast through a pull plate.

Description

technical field [0001] The invention relates to the technical field of crane booms, in particular to a luffing crane boom. Background technique [0002] With the rapid development of the economy, the scale of national infrastructure is getting bigger and bigger, and the quality, volume and lifting height of the items that need to be lifted are getting bigger and bigger. Therefore, higher requirements are put forward for the lifting capacity, operating height and operating range of the crane jib. In order to meet the above requirements, the size of each part of the crane jib must be correspondingly increased, and its dynamic characteristics at the moment of starting and braking during operation, especially the dynamic characteristics of the jib part, are very obvious. It often has an adverse effect on the jib system, and even directly leads to damage to the crane. Contents of the invention [0003] In view of the above problems, the present invention provides a luffing cr...

Claims

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Application Information

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IPC IPC(8): B66C23/36B66C23/74B66C23/82B66C23/88
CPCB66C23/36B66C23/74B66C23/828B66C23/88
Inventor 陈静
Owner 陈静
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