Crane Safety Operation Guides

Safety knowledge of aerial work in single girder underhung cranes

Electric single-girder underhung cranes and CD1, MD1-type electric hoist supporting the use of rail light rail to form a small crane. This machine is mostly used in machinery manufacturing. Assembly workshops and warehouses, caves and other places. Running track with I-beam.

This product is intermediate (A5) working system, lifting weight 0.5,1,2,3,5 tons, the span of 3 to 16 meters. Work environment temperature is between 20 ℃ -35 ℃, the control mode is ground control (both wired and wireless).

Ellsen Double Girder Underhung Crane for Sale
Ellsen Double Girder Underhung Crane for Sale

This product is not suitable for use in flammable and explosive media or in places where there is a high temperature with acids and alkalis or with molten metal, toxic substances, and combustibles which are handled by dry lifting.

Special equipment for purchase, introduction, installation and technological transformation must comply with the relevant national standards for quality and technical supervision, safety and hygiene regulations, especially for the selection and procurement of crane machinery with great danger, prior approval of safety and equipment departments.

The crane purchased in the factory, to go through the local municipal quality and technical supervision departments of safety and technical inspection, and obtained “Crane Safety Technical Supervision Certificate” issued randomly.

Installation of lifting machinery units to obtain qualification certificates, installation personnel have a certificate of operation, the permit can be engaged in lifting machinery installation and submitted to the higher security, the competent authorities for the record review.

Crane prior to the commissioning of the trial, the installation unit must first self-test, and fill in the self-test report, pay the receiving unit after the pre-acceptance of qualified (complete record should be) by the superior in charge of safety, equipment testing, acceptance before being able to invest Test run.

The formal inspection and acceptance must be carried out in accordance with the technical, safety and equipment department regulations of the supervisor and the “three simultaneous” management standards for labor protection.


Strengthen the management of cranes. Conscientiously implement the crane management system and safety inspection system, do a good job of regular inspection crane, maintenance, maintenance, promptly eliminate hidden dangers, so that crane is always in good working condition.

Strengthen the education and training of crane operators, strictly enforce safe operating procedures, enhance the ability to operate technical skills and handle emergencies.