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Balance arm device with shock absorption function and crane trolley provided with device

A balance arm and balancing technology, applied in the direction of load block, transportation and packaging, load suspension components, etc., can solve the problems of large selection, increase equipment cost, etc., reduce force, reduce force, improve safety and reliability sexual effect

Active Publication Date: 2020-08-07
DALIAN HUARUI HEAVY IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the fixed wire rope crossbeam in the balance arm device of the trolley hoisting mechanism of the crane adopts an integral steel structure. The force on the wire rope in the lifting mechanism is also relatively large. In order to meet the seismic requirements, the diameter of the wire rope must be increased, and the diameter of the wire rope is used as the basic data for the design and selection of the hoisting mechanism reel, pulley and other components. The increase in the diameter of the wire rope is inevitable. The selection of the entire system is too large, thereby increasing the cost of the entire equipment

Method used

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  • Balance arm device with shock absorption function and crane trolley provided with device
  • Balance arm device with shock absorption function and crane trolley provided with device
  • Balance arm device with shock absorption function and crane trolley provided with device

Examples

Experimental program
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Effect test

Embodiment 1

[0039] Such as Figure 1-7As shown, a balance arm device with shock absorption, the balance arm device 21 includes a balance arm frame 1 arranged horizontally, two balance beams 2 are symmetrically arranged on the left and right sides of the bottom of the balance arm frame 1, two The upper end of the balance beam 2 is connected to the lower part of the balance arm frame 1 through the same hinge shaft I3, and the bottom ends of the two balance beams 2 are connected by a disc spring group 4, and the disc spring The two ends of the group 4 are respectively connected to the balance beam 2 through the hinge shaft II5; the ends of the two bottoms of the two balance beams 2 away from each other are connected to the wire rope connection end 7 through the pin shaft 6, and the pin shaft 6 is higher than the The hinge axis II5 is lower than the hinge axis I3.

[0040] The balance arm frame 1 is welded into a box-shaped structure by steel plates, and the left and right ends of the upper ...

Embodiment 2

[0044] Such as Figure 1-10 As shown, a lifting trolley includes a car body 18, the bottom of the car body 18 is provided with a car body running mechanism 19, the middle part of the car body 18 has a balance arm device mounting seat 20, and the balance arm device The balance arm device 21 described in Embodiment 1 is installed in the mounting seat 20, and the connecting shaft 8 is rotationally connected with the balance arm device mounting seat 20; A lifting mechanism 23 that drives the reel 22 to rotate; a hook assembly 24 is arranged in the middle of the bottom of the vehicle body 18;

[0045] One end of the wire rope I25 is fixed on the left side of the reel 22, and the other end passes through the left moving pulley I26 fixed on the left side of the hook assembly 24, the direction changing pulley I27 fixed on the car body 18, The right movable pulley I28 fixed on the right side of the hook assembly 24 is fixedly connected with the wire rope connecting end 7 arranged on t...

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PUM

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Abstract

The invention provides a balance arm device with a shock absorption function and a crane trolley provided with the device. The balance arm device comprises a balance arm frame, wherein two balance beams are symmetrically arranged at the left side and right side of the lower portion of the balance arm frame, and upper ends of the two balance beams are connected with the lower portion of the balancearm frame through the same hinged shaft I; the ends, close to each other, of bottoms of the two balance beams are connected through a disc spring set, and two ends of the disc spring set are connected with the balance beams respectively through hinged shafts II; and the ends, away from each other, of the bottoms of the two balance beams are connected with steel wire rope connecting ends through pin shafts, and the pin shafts are higher than the hinged shafts II and lower than the hinged shaft I. The crane trolley is provided with the balance arm device and is connected with a lifting hook component through the balance arm device. According to the balance arm device and the crane trolley, the stress of a steel wire rope under an earthquake condition is reduced, and the safety coefficient of the steel wire rope is increased; and meanwhile, the stress of the crane trolley and a whole crane product is reduced, the anti-shock requirement is met, and product cost is lowered.

Description

technical field [0001] The invention relates to the technical field of lifting, in particular to a balance arm device with shock absorption and a crane trolley equipped with the device. Background technique [0002] In the prior art, the fixed wire rope crossbeam in the balance arm device of the trolley hoisting mechanism of the crane adopts an integral steel structure. The force on the wire rope in the lifting mechanism is also relatively large. In order to meet the seismic requirements, the diameter of the wire rope must be increased, and the diameter of the wire rope is used as the basic data for the design and selection of the hoisting mechanism reel, pulley and other components. The increase in the diameter of the wire rope is inevitable. As a result, the selection of the entire system is too large, thereby increasing the cost of the entire equipment. [0003] It is necessary to develop a balance arm device and a crane trolley with shock absorption, which can not only ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C11/04B66C11/18B66C11/20
CPCB66C11/04B66C11/18B66C11/20
Inventor 田树海苏冬张丽平王丙文周来杨文通陈曦王佳成
Owner DALIAN HUARUI HEAVY IND GRP CO LTD
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