Chassis supporting structure of hoisting machinery and crane

Abstract

The invention discloses a chassis supporting structure of hoisting machinery, comprising a chassis and a cargo boom. First hydraulic rods are fixedly mounted at the two ends of the chassis; second hydraulic rods are fixedly mounted at the bottoms of one ends of the first hydraulic rods; a landing support base is fixedly mounted at the top of the left end of the chassis; a chute is formed in one end of the landing support base; the landing support base is slidably connected with a landing support plate; and a buffer spring is fixedly mounted at the bottom of the landing support plate. In the invention, the first hoisting hydraulic rods and the second hoisting hydraulic rods drive the cargo boom to move at the same time, so that the cargo boom rotates more quickly in a more labor saving mode; meanwhile, the first hoisting hydraulic rods and the second hoisting hydraulic rods are "spare tires" for each other; and when one hoisting hydraulic rod breaks down, the other hoisting hydraulic rod can drive the cargo boom, the use of the crane cannot be affected, and the left end of the cargo boom cannot be suddenly lowered to avoid dangers.

Description

technical field [0001] The invention relates to the technical field of cranes, in particular to a chassis support structure of a hoisting machine and a crane. Background technique [0002] Crane refers to the multi-action hoisting machinery that vertically lifts and horizontally transports heavy objects within a certain range, also known as crane, aerial crane, crane, and tire crane. 1. It is evolved from a crawler crane. The crawler and the walking frame of the walking mechanism are turned into a chassis with tires, which overcomes the shortcomings of crawler cranes that cause damage to the road surface. It belongs to material handling machinery. The hoisting equipment used for lifting and transporting materials over workshops, warehouses and stockyards, because its two ends are located on tall cement columns or metal supports, it is shaped like a bridge, and the bridge frame of the bridge crane is laid along the elevated bridges on both sides. The track runs longitudinall...

AI Technical Summary

Problems solved by technology

[0003] The existing crane drives the boom through a hydraulic rod. When the hydraulic rod suddenly fails, the crane will not be able to work, which will affect the work progress and may cause the boom to drop suddenly and cause danger; The way of driving the boom is low in efficiency and low in safety factor; the parts supporting the boom are welded on the chassis, and when the parts are worn or damaged, it is inconvenient to replace the parts

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