Pre-tightening force adjustable nut assembling and disassembling intelligent device

Abstract

The invention discloses a pre-tightening force adjustable nut assembling and disassembling intelligent device. The pre-tightening force adjustable nut assembling and disassembling intelligent device comprises a self-propelled rail vehicle, a four-nut assembling and disassembling multifunctional device, a rechargeable battery pack and inverter and a hydraulic system and control system box; the rechargeable battery pack and inverter provides power for an oil pump and a control system; an oil tank, the oil pump, a hydraulic control system and an automatic control system are arranged in the hydraulic system and control system box; the vehicle rail bears the four-nut assembling and disassembling multifunctional device to rapidly arrive and depart a sleeper changing site; the four-nut assemblingand disassembling multifunctional device is automatically and rapidly aligned with a working position; pre-tightening forces of four nuts are consistent so that the four-nut assembling and disassembling multifunctional device can adapt to mounting of the nuts with different pre-tightening force requirements; collapsing of stone ballasts at the end of a sleeper can be effectively stopped to provide guarantee for rapidly changing a new sleeper; the rail vehicle can self-move on a railway track in a round trip so as to avoid influence on the running of a train; when the rail vehicle gets on andoff a track, the gravity center of the rail vehicle does not rise and the rail vehicle does not bump; the operation is convenient; intelligent control is easy to realize; and the working efficiency inassembling and disassembling the nuts and stopping collapsing of the stone ballasts at the end of the sleeper is high.

Description

technical field [0001] The invention relates to a railway maintenance machine, in particular to an intelligent device for installing and disassembling nuts with adjustable pretightening force. Background technique [0002] During the long-term use of railway sleepers, due to natural settlement and vibration, some railway sleepers sink and individual sleepers are damaged, which needs to be replaced in time. During the sleeper replacement process, it needs to be removed The nuts attached to the four bolts of the broken sleeper should be pulled out to prevent the ballast at the sleeper end from collapsing. After replacing the good sleeper, install the four nuts on the four bolts and pre-tighten the four bolts manually. Turning a single nut is time-consuming and laborious, and the work efficiency is low. It is difficult to achieve the same pretightening force of the four nuts. Contents of the invention [0003] The object of the present invention is to provide an intelligent ...

AI Technical Summary

Problems solved by technology

[0002] During the long-term use of railway sleepers, due to natural settlement and vibration, some railway sleepers sink, and individual sleepers are damaged, which needs to be replaced in time. During the sleeper replacement process, it needs to be removed. The nuts attached to the four bolts of the broken sleeper should be pulled out to prevent the ballast at the sleeper end from collapsing. After replacing the good sleeper, install the four nuts on the four bolts and pre-tighten the four bolts manually. Turning a single nut is time-consuming and labor-intensive, and the work efficiency is low. It is difficult to achieve the same pre-tightening force of the four nuts

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