The replacement of the single beam crane was accelerated

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With the progress of The Times and the development of society, the products brought by the ordinary market are increasingly rich. The single-beam crane operating mechanism is used to vertically move heavy objects or adjust the working position of the crane, and is generally composed of an electric motor, a reducer, a brake and a wheel.

The amplitude changing mechanism is only equipped on the boom crane, the amplitude of the boom is reduced when it is lifted up, and the amplitude is increased when it is bent down, which is divided into two kinds: balanced amplitude changing and non-balanced amplitude changing. When the lifting device can be placed on the ground or below the top surface of the track, the lowering distance is called the descent depth. That is, the vertical distance between the lower working position of the spreader and the horizontal supporting surface of the crane. European cranes formed in the industry in recent years, the purpose is to distinguish from the past so-called domestic, Soviet (Soviet Union) type, traditional cranes.

Mainly includes: bridge crane, gantry crane, cantilever crane, flexible beam crane, explosion-proof crane and other industrial cranes. In engineering construction, larger and more complex projects have higher and higher requirements for lifting machinery, which puts forward higher requirements for the design and manufacture of lifting machinery, and the larger rated lifting weight of many models of single-beam cranes is constantly refreshed. Product life cycle is shortened, crane replacement is accelerated, and people's expectations for crane delivery time are getting higher and higher. In order to comply with the diversified and personalized requirements of users, the ability of enterprises to develop new products is getting stronger and stronger, and the development cycle of single-beam crane is greatly shortened. Due to the application of new technology, the manufacturing cycle and life cycle of the crane are shortened, and the replacement of the single beam crane is accelerated. Diversification of production methods. With the diversification and individuation of user needs and the requirements of product delivery time, some enterprises need to adjust their production methods to meet the requirements of different users.

The driving mode of the single beam crane operating mechanism can be divided into two categories: the more concentrated drive, that is, the motor drives the longer root drive shaft drives the driving wheels on both sides; The other is separate drive, that is, both sides of the drive wheel are driven by a motor. Small and medium-sized bridge cranes often use brake, reducer, motor triplex drive mode. In order to install and adjust easily, the larger weight of the bridge crane often uses the universal coupling as the driving device. Variable frequency speed regulation is achieved by changing the power supply frequency of the motor stator to change the synchronous speed.

To make the power supply frequency of the asynchronous motor variable, it is necessary to use a frequency converter. Variable frequency speed regulating device is a power device that converts constant voltage and frequency power supply into variable voltage and frequency. The control mode of the inverter is divided into open loop control and closed loop control, and the user can choose at will. The programmable variable frequency electronic control equipment is composed of optional parts such as power input switch, line contactor, auxiliary switch and auxiliary relay.

Introduction and use of single beam construction crane

A single beam crane is an integrated, economical logistics solution that should be a better logistics solution for specific locations, such as warehouses or factories where other lifting equipment cannot be installed.

Features and advantages of single beam crane:

Make the operation easier

Make the operation safer

Simple assembly

Complete supply range (including complete electrical equipment)

Main power switch can be locked

Because this crane is easy to adapt to new requirements and can be quickly rearranged according to the workplace, it is ideal for frequent workplace changes.

Electric slewing crane

The Electric slewing crane is a new generation of China's light lifting technology equipment made for modern enterprise production, equipped with PK type with high reliability, especially suitable for short distance, more frequent use, intensive lifting operations, with more efficient, energy saving, saving space, small, easy to manage operation and maintenance.

In particular, it involves a mobile slewing crane, which has the characteristics of more flexibility, more flexibility, wide adaptability, etc., and is a single emergency lifting equipment that can be prepared on an efficient automated production line to make the production line smooth.

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