How Single-Girder Cranes Lift and Key Considerations for Purchase
Jul 14,2026
Single-girder cranes are a common type of crane found in our production workshops. After purchasing one, professional technicians must be present to assist with assembly. While everyone knows cranes lift loads, how exactly do they perform this task? What are the specific operational steps?
1. Crane Gantry Installation
First, place the crane's load-bearing beam onto the horizontal track. Secure the end beams with bolts to form a complete bridge structure. Next, install the trolley running mechanism: adjust the wheel axle alignment and optimize the reducer. Then connect the reducer to the motor via a coupling and rotating shaft. Maintain a 2-5mm clearance between the inner edge of the electric hoist wheel flange and the flange plate of the I-beam rail. After assembling the cable tray, conduct safety inspections according to the relevant provisions of Table 7.02 in GB50278-98.
2. Crane Lifting
Lifting operations shall be performed using cranes or lifting beams as determined by specific conditions. Prior to installing the steel roof trusses, the crane shall be lifted into position as a whole using a 12-ton crane. After installing the steel roof trusses, lifting shall be performed using a single lifting beam. The lifting beam shall be made of Φ219×6 seamless steel pipe, and the crane shall be lifted using two 5-ton cranes and associated pulleys.
For hoisting electric single-girder cranes, pay attention to installing the bridge frame before locating the hoisting position. During hoisting, workers must operate according to actual conditions. Precise measurements should be taken beforehand for component placement areas. Hoisting must prioritize safety and stability.
Five Key Considerations for Single-Girder Crane Procurement
As application spaces continue to expand, crane usage is increasingly standardized. Below are five critical points to note for single-girder cranes:
1. Prior to purchasing a single-girder crane, thoroughly analyze its key parameters. Factors such as feasibility, technical specifications, and duty cycle must meet enterprise safety management requirements.
2. To prevent accidents during operation, single-girder cranes must undergo rigorous inspection by special equipment supervision authorities before use.
3. Once commissioned, companies must strengthen crane management through regular maintenance and timely repairs. Never operate cranes beyond their rated capacity, overloaded, or in violation of regulations.
4. Single-girder crane operators must undergo professional training and obtain occupational qualification certificates before being assigned to positions. After assignment, operators must establish clear work responsibilities and enhance their overall capabilities.
5. Enterprises should improve the working environment at single-girder crane operation sites to provide operators with better working conditions.
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