[Gaojiabao Ancient Town, Shaanxi] Case Study of Electric Hydraulic Integrated Lifting Column Anti collision Finished Car Gear

Lifting column, also known as lifting ground column, lifting road pile, anti-collision road pile, hydraulic lifting column, isolation pile, etc. The English name is Bollard. The term Bollard originally described a short vertical pillar that was often used when large ships were anchored in ports. Nowadays, its meaning has expanded to describe various facilities and institutions that manage pedestrian traffic, protect critical infrastructure, set boundaries, and distinguish roads.

Fixed metal guardrails are the most common. They are generally 36 meter high patterned steel columns, poured with cement inside, and installed on the ground. Some guardrails are cubic, but most are cylindrical structures with angled or flat brim. There are various sizes, colors, textures, shapes, and functions of guardrails. They are either fixed, movable, or flexible, and can also be used as decorations to decorate the original steel pipe columns.

Many guardrails have aesthetic functions, especially metal guardrails, which are used to prevent vehicles from damaging pedestrians and buildings. They can be used as a simple method to control entry and exit, or as guardrails to delineate specific areas. They can be individually fixed on the ground or arranged in a line to close the road and prevent vehicles from entering, ensuring safety. Metal guardrails fixed on the ground serve as long-term barriers, while retractable and movable guardrails ensure the entry of certified pedestrians and vehicles.

Pillars have three main applications - construction (decoration), safety (impact resistance), and landscape beautification (perimeter highlighting). All guardrails can be shared for architectural and landscaping purposes, with only differences in style, shape, and material. When it comes to security applications, different guardrails are used to block different objects. For example, the pillars used to stop traffic and the pillars used to deal with protection (impact) issues are different. When it comes to safety applications, the first thing to consider is the size of the vehicle and the speed at which it will travel in the event of an impact.

　　After years of application and development, protective columns have now expanded into various styles. Its main categories are:

1. Pneumatic fully automatic lifting column: Air is used as the driving medium, and through an external pneumatic power unit, the column is driven to rise and fall.

2. Hydraulic fully automatic lifting column: Hydraulic oil serves as the driving medium. There are two control methods, namely, using an external hydraulic power unit (with the driving part separated from the column) or an internal hydraulic power unit (with the driving part placed inside the column) to drive the column up and down.

3. Electromechanical fully automatic lifting: The lifting of the column is driven by the built-in motor of the column.

4. Semi automatic lifting column: The lifting process is driven by the built-in power unit of the column, and the descent is completed manually.

5. Pull up lifting column: The lifting process requires manual lifting, and the lowering relies on the weight of the column itself.

6. Mobile lifting column: The column and base are designed to be separated, and can be retracted when the column does not need to be used for pipe making.

7. Fixed column: The column is directly fixed to the road surface.

The main usage scenarios and advantages and disadvantages of various types of columns are different, and the selection should be based on the actual project when using them.

The lifting column can be widely used in banks, government agencies, prisons, research and development centers, power stations, highways, industrial parks, high-end villas, high-end office buildings, luxury stores, squares, pedestrian streets and other places.