Universal connecting device for shield tunneling machine

Abstract

A universal connecting device for a shield tunneling machine comprises vehicle body brackets, a connecting plate is arranged between two vehicle body brackets, and the connecting plate and the vehiclebody brackets are connected by connecting shafts; joint bearings are arranged between the connecting shafts and the connecting plate, and the joint bearings are universal ball bearings; spacer bushesare further arranged between the universal ball bearings and the connecting plate, and matched spherical shapes are disposed at the inner sides of the spacer bushes and the outer sides of the universal ball bearings; and the spacer bushes are fixed to grooves on the connecting plate, and the upper ends of the spacer bushes are fixed to the connecting plate through glands. The universal connectingdevice for the shield tunneling machine has the beneficial effects that the supporting and connection and the changes in rotation and pitching movements between shield tunneling machine beams and double-ended conveying vehicles are realized, the problems of insufficient strength of the connecting parts of vehicle bodies on both sides of the shield tunneling machine, too small climbing angle, toolarge rotation turning, and major failure of the device shutdown and maintenance caused by the wear of part of the sliding surface caused by long-time work are solved, continuously and steadily sinking operation of the shield tunneling machine is ensured, and meanwhile, the disassembly and the maintenance are convenient.

Description

technical field [0001] The invention provides a universal connection device for a shield machine, which belongs to the field of shield construction. Background technique [0002] The shield machine usually includes the shield body part at the front and other supporting facilities at the rear, and they are usually connected by connecting plates. At present, most of the connecting plates on the market are generally hinged by hinge shafts. The hinge method can only ensure that the front and rear ends can turn left and right, and usually cannot rotate up and down. The pitch angle is relatively small, and frequent use will cause severe wear between the connecting plate hole and the connecting shaft. At the same time, in order to reduce wear and tear, some people use isolation wear-resistant sleeves between the connecting plate hole and the connecting shaft, but the wear-resistant sleeves are either fixed or interference fit in the connecting plate, which is inconvenient to disas...

AI Technical Summary

Problems solved by technology

At present, most of the connecting plates on the market are generally hinged by hinge shafts. The hinge method can only ensure that the front and rear ends can turn left and right, and usually cannot rotate up and down. Clearance to achieve, the pitch angle is relatively small, and frequent use will cause serious wear between the connecting plate hole and the connecting shaft

At the same time, in order to reduce wear and tear, some people use isolation wear-resistant sleeves between the connecting plate hole and the connecting shaft, but the wear-resistant sleeves are either fixed or interference fit in the connecting plate, which is inconvenient to disassemble, or directly installed into both Between, this form often causes the isolation wear-resistant sleeve to slip out, which cannot achieve the effect of wear resistance

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