Multistage hydraulic cylinder track lifting and lining tool

Abstract

The invention discloses a multistage hydraulic cylinder track lifting and lining tool, relating to instruments for lifting or lining in construction operation such as laying railway lines, overhaul and intermediate maintenance, maintenance and the like. The multistage hydraulic cylinder track lifting and lining tool comprises a base 1, a hand pump assembly 2, a hydraulic cylinder, a lining rod 6 and a track lifting wheel 9, wherein the lower end of a piston rod 13 of the hydraulic cylinder is vertically fixed to the base 1, the middle of the lining rod 6 is symmetrically mounted on both sides of a one-stage cylinder body 10 via an articulated shaft I 16, one end of the lining rod is provided with the track lifting wheel 9 and the other end thereof is articulated with a balance force rack, which can be in three manners including chain-type rod member, arc-shaped rod-type force rack and movable force rack. A hinge rod II 5 in the chain-type rod member is articulated with the lining rod 6, the other end of a hinge rod I 4 is articulated, via an articulated shaft II 17, with a connector 3 the lower end of which is vertically fixed to the base 1. A hydraulic valve 15, which is a manual reversing valve, supplies oil for the piston rod 13 so as to push a steel rail 8 to shift, achieving the purpose of lifting and lining track; and the hydraulic cylinder supplying oil to the cylinder body can restore rapidly.

Description

technical field [0001] The invention relates to a road-building tool, in particular to a track lifting or clearing tool used in construction operations such as laying railway lines, major and medium repairs, and maintenance. Background technique [0002] There are two kinds of track pullers that are used now, the rack type and the hydraulic type. Among them, the advantage of the rack-type track guide is that it has a large amount of track, but the disadvantage is that the static height of the track guide is too high, exceeding the use standards of the Ministry of Railways "Railway Technical Management Regulations" and "Railway Works Safety Rules", and cannot be used in the railway industry. Used on operating lines. The track puller cannot be automatically reset, especially under load-bearing conditions, and sometimes the teeth slip, causing the track puller to injure people. Hydraulic track lifters are all single-stage hydraulic cylinders, most of which have a track height...

AI Technical Summary

Problems solved by technology

Among them, the advantage of the rack-type track guide is that it has a large amount of track, but the disadvantage is that the static height of the track guide is too high, exceeding the use standards of the Ministry of Railways "Railway Technical Management Regulations" and "Railway Works Safety Rules", and cannot be used in the railway industry. Used on operating lines

The track puller cannot be automatically reset, especially under load-bearing conditions, sometimes slipping teeth, resulting in injury accidents caused by the track puller

Hydraulic track lifters are all single-stage hydraulic cylinders, most of which have a track height of less than 130mm and a track volume of less than 90mm; some hydraulic track lifters have a track volume of more than 130mm, but their static height exceeds the Ministry of Railways " The use standards of Railway Technical Management Regulations and Railway Works Safety Rules cannot be used on operating lines, and they cannot be automatically reset, and manual steps are required to reset

In order to meet various conditions of operation, the construction unit must be equipped with multi-functional track lifters, which increases the inventory and cost of track lifters

Images