Hydraulic Elevators (Classic Reprint): Their Design, Construction, Operation, Care and Management: Their Design, Construction, Operation, Care and Management (Classic Reprint) - Softcover

William Baxter

Softcover

ISBN 10: 1332017347 ISBN 13: 9781332017348

Publisher: Forgotten Books, 2018

Synopsis

Understand how hydraulic elevators work and how to keep them safe and reliable.

This practical guide explains the physics behind water pressure lifting a car and walks you through the components, from cylinders and valves to control systems and safety devices. It emphasizes how real installations behave, with diagrams and step-by-step explanations that help technicians install, operate, and maintain high‑rise systems.

The book covers multiple elevator types, including one‑to‑one and water‑balance configurations, and explains how pressure, flow, and load affect performance. It discusses automatic stop valves, accumulators, pilot valves, and various control schemes, along with common problems and how to troubleshoot them. Clear instructions show how to pack cylinders, inspect piping, and manage lubrication and alignment to keep a hydraulic system running smoothly.

• How hydraulic pressure moves the car and how different valve gear controls speed and stopping.
• Details on maintenance tasks, packing, lubrication, and leak management.
• Insights into high‑rise and freight elevators, including plunger and standard plunger designs.
• Safety features and diagnostic guidance to reduce downtime and prevent accidents.

Ideal for readers of technical handbooks and technicians responsible for installing or maintaining hydraulic elevators.

About this title

Product Description

Excerpt from Hydraulic Elevators: Their Design, Construction, Operation, Care and Management The principal mechanism of a hydraulic elevator is very simple, although it does not appear to be so from casual inspection of a first-class installation in a large office building. This is due mainly to the fact that the apparatus is all of large dimensions and so disposed that only a portion of it can be seen from any one point. It is also due to the fact that a number of small parts are added, the function of which is to contribute to the perfection and safety of operation. The principle of operation of the hydraulic form of elevator is as simple as the construction of the mechanism, and consists in utilizing the force developed by the pressure of water in a hydraulic cylinder to lift a weight, which generally is the elevator car, but in some cases is not. The water under pressure that supplies the elevator cylinder may be derived from street mains, from an open tank placed on an elevation (for example, the roof of the building), or from a pressure tank placed in any convenient location. The simplest form of hydraulic elevator is illustrated diagrammatically in Fig. 1. The car is suspended from one or more ropes that pass over a sheave A, located at the top of the elevator well, and run down to the upper end of a piston rod R. This rod carries at its lower end a piston P that fits watertight in the lifting cylinder C. Water under pressure is admitted to the cylinder above the piston, through the pipe I, and the piston is thereby forced downward, hoisting the car. To make the apparatus complete, elementally, all that is required is a valve in the pipe I which, when turned in one direction, will connect the cylinder with the pressure tank, or other source of supply, and when turned in the other direction will stop off the supply from the pressure tank and connect the upper end of the cylinder with a discharge tank. When moved to the central position, it must close the outle

Edition details

• Publisher: Forgotten Books
• Publication date: 2018
• Language: English
• ISBN 10: 1332017347
• ISBN 13: 9781332017348
• Binding: Paperback
• Number of pages: 338