After Aluminium Heat Welding Hydraulic Rail Shearing Machine

The hydraulic rail shearing machine is a small specialized tool for removing the weld overlap of the aluminum hot welding joint of the steel rail. It is suitable for cutting off rail head weld overlap after aluminothermic welding of 50-75kg/m steel rails on the base or line. The machine uses a hydraulic pump as the power and uses a hydraulic cylinder to push the protrusion knife to move, completing the shear welding effect. This machine has advantages of simple, convenient, and flexible operation. It is an indispensable supporting tool for the laying of interval seamless roads, stress release of seamless tracks, and in-situ repair of broken tracks.

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Product Introduction

Technical Parameters

1. Maximum thrust: 200KN

2. Cylinder stroke: 150mm

3. System working pressure: 51MPa

4. Dimension:

1) Internal combustion pump station: 630 × 550 × 585 mm

2) Machine: 840 × 470 × 180 mm

5. Machine weight:

1) Pump station: 85kg (excluding hydraulic oil)

2) Machine: 56kg

Working Principle and Basic Structure

1. Basic Structure:

The machine mainly consists of an internal combustion hydraulic pump station, machine main body, and high-pressure oil pipe for connection. The internal combustion hydraulic pump station is composed of a gasoline engine, a hydraulic control valve for the hydraulic oil tank, a inside hydraulic pump, and a pump frame. The machine main body consists of a frame, a manual reversing valve, two horizontal oil cylinders, a guide device, a positioning fork, and a pair of shearing cutters and other components.

2.Working Principle

After welding and pouring the rails, the connected internal combustion tumour pusher is started, when working, according to the condensation time of the welded rail head, the main body of the tumour pusher is placed on the rails on both sides of the weld tumour to make the guiding device close to the palate of the rails, and then the oil control handle on the station of the internal combustion hydraulic pump is moved, so that the hydraulic oil arrives at the tumour pusher main body's reversal control valve through the connected high-pressure oil pipe, and then the reversal valve is triggered, and the piston rod of the controlling cylinder extends out, driving the knife holder and the convex knife to move relatively, and produce shearing force to remove the weld tumour. The relative movement of the knife holder and the convex knife generates shearing force to remove the welding tumour. After cutting the welding tumour in place, move the reversing valve to make the knife holder plate and the convex knife exit the cutter head quickly to complete the operation of pushing the tumour.

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product-133-52