Pin removing floating device for telescopic arm

Abstract

The invention discloses a pin removing floating device for a telescopic arm. The device comprises a fixed arm, a telescopic hydraulic cylinder and a movable arm. The movable arm is sleeved outside the fixed arm, and can longitudinally move along the fixed arm. The movable arm is a first sleeve, and the fixed arm is a second sleeve. A guide device for guiding the movable arm is arranged between the movable arm and the fixed arm. The movable arm is supported outside the fixed arm through the guide device. The guide device is a sliding support device or a rolling support device. A telescopic arm of the telescopic hydraulic cylinder extends from the middle part of the fixed arm from back to front, and the front end of the telescopic arm is arranged at the front end of the movable arm in a hinging way. The cylinder bottom of the telescopic hydraulic cylinder is arranged on a sliding component in a hinging way. A longitudinal sliding way for the longitudinal movement of the sliding component is arranged in the fixed arm. The sliding component is temporarily fixed at the rear end of the fixed arm through a pluggable and unpluggable limiting pin shaft. The device is simple in structure, rational in design, convenient to operate and high in reliability, has a good using effect, and can be used for realizing flexible floating and active expansion and contraction between the fixed arm and the movable arm of the telescopic arm.

Description

technical field [0001] The invention relates to a floating device, in particular to a floating device for pulling pins of a telescopic arm. Background technique [0002] In engineering practice, when a constantly moving construction machine is used to perform straddle (or attached) work on a fixed-position work object, due to the movement needs of the construction machine and the position (or structural change) of the work object , keep an appropriate gap or distance between the working device of the construction machine and the work object, but when the carrying vehicle of the construction machine deviates (or the road surface is uneven) during the traveling process, the working device of the construction machine and the The connection between the carrying vehicles can not only transfer the support load but also float freely to meet the operation requirements. For example, during the scrubbing operation of the working device (specifically, the disc brush or roller brush) o...

AI Technical Summary

Problems solved by technology

In actual use, this kind of floating structure can achieve a certain floating effect, but it needs to overcome the viscous resistance of the oil in the telescopic hydraulic cylinder and the sliding friction between the slider support components, so the floating sensitivity is poor

Second, the hydraulic cylinder of the telescopic arm is controlled by an electronically controlled servo circuit. At this time, the floating structure is only suitable for neat and simple, continuous and complete work objects, and it is necessary to set benchmarks, arrange sensors and other control system components, so the structure is complex and the cost is high. , response time lag and poor reliability

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