一、稳固的结构设计

1、 Stable structural design

1.框架结构

1. Framework structure

济南推拉棚的框架多采用高强度的金属管材作为支撑骨架，常见的有镀锌钢管和铝合金管。镀锌钢管以其较高的强度和良好的耐腐蚀性，成为众多推拉棚的。其管壁厚度通常在 1.2 - 2.0mm 之间，管径依据棚体大小而定，大型推拉棚一般采用直径 32 - 50mm 的管材，小型棚体则使用直径 25 - 32mm 的管材。各管材之间通过焊接、螺丝连接或专用连接件进行组装，形成稳固的矩形或拱形框架结构。

The frame of Jinan push-pull shed often uses high-strength metal pipes as the supporting skeleton, commonly including galvanized steel pipes and aluminum alloy pipes. Galvanized steel pipes have become the preferred choice for many sliding sheds due to their high strength and good corrosion resistance. The thickness of the pipe wall is usually between 1.2-2.0mm, and the diameter of the pipe depends on the size of the shed. Large push-pull sheds generally use pipes with a diameter of 32-50mm, while small sheds use pipes with a diameter of 25-32mm. The pipes are assembled through welding, screw connections, or specialized connectors to form a stable rectangular or arched frame structure.

铝合金管框架的推拉棚则具有重量轻、美观性好的特点，常用于对外观要求较高的商业场所。铝合金材质经过特殊处理，具备较强的抗腐蚀能力，且颜色多样，可与周边环境相协调。其结构设计同样注重稳固性，通过科学的力学计算，合理分布管材，确保棚体在承受风压、雪载时保持稳定。

The push-pull shed with aluminum alloy tube frame has the characteristics of light weight and good aesthetics, and is commonly used in commercial places with high appearance requirements. Aluminum alloy material has undergone special treatment, possessing strong corrosion resistance and diverse colors, which can coordinate with the surrounding environment. The structural design also emphasizes stability, and through scientific mechanical calculations and reasonable distribution of pipes, ensures that the shed remains stable under wind pressure and snow load.

2.滑轮与轨道系统

2. Pulley and track system

滑轮与轨道是推拉棚实现灵活推拉功能的关键部件。滑轮一般采用尼龙或不锈钢材质，尼龙滑轮具有耐磨、静音的优点，不锈钢滑轮则强度更高、使用寿命更长。轨道通常安装在地面或墙体上，分为单轨和双轨两种形式。单轨适用于小型推拉棚，结构简单，成本较低；双轨则更适合大型棚体，能够提供更好的稳定性和承重能力，使推拉过程更加顺畅。滑轮与轨道的配合精度直接影响推拉棚的使用体验，的滑轮与轨道系统可确保棚体推拉轻松自如，且不易出现卡顿现象。

The pulley and track are key components for the flexible push-pull function of the push-pull shed. Pulleys are generally made of nylon or stainless steel materials. Nylon pulleys have the advantages of wear resistance and noise reduction, while stainless steel pulleys have higher strength and longer service life. Tracks are usually installed on the ground or walls, and are divided into two forms: single track and double track. Monorail is suitable for small push-pull sheds, with a simple structure and low cost; Double track is more suitable for large sheds, providing better stability and load-bearing capacity, making the pushing and pulling process smoother. The precision of the coordination between the pulley and the track directly affects the user experience of the push-pull shed. A high-quality pulley and track system can ensure that the shed can be pushed and pulled easily and smoothly, and is not prone to jamming.

3.支撑与加固结构

3. Supporting and reinforcing structures

为增强推拉棚的稳定性，在框架结构基础上，还会设置支撑与加固结构。常见的有斜撑杆和拉筋。斜撑杆一般安装在框架的四角或侧面，与地面形成一定角度，将棚体的压力分散到地面，提高抗风能力。拉筋则横向或斜向连接框架的不同部位，增加框架的整体刚性，防止棚体在受力时发生变形。在济南多风的季节，这些支撑与加固结构能有效保障推拉棚的，避免被大风掀翻或损坏。

To enhance the stability of the push-pull shed, support and reinforcement structures will also be installed on the basis of the frame structure. The common ones are diagonal braces and braces. Diagonal struts are generally installed at the four corners or sides of the frame to form a certain angle with the ground to distribute the pressure of the shed to the ground and improve the wind resistance. Stretching connects different parts of the frame horizontally or diagonally, increasing the overall rigidity of the frame and preventing deformation of the shed under stress. During the windy season in Jinan, these support and reinforcement structures can effectively ensure the safety of the push-pull shed and prevent it from being overturned or damaged by strong winds.

二、材质选择

2、 Material selection

篷布常用 PVC 涂层布、刀刮布和帆布。PVC 涂层布防水防晒、颜色多；刀刮布强度高、耐磨抗污；帆布透气便宜，但耐用性和防晒差些。配件像连接件、螺丝，一般选不锈钢或高强度塑料。不锈钢结实耐腐蚀，塑料轻便成本低，好的配件能让推拉棚用得久、推拉顺滑。

PVC coated cloth, knife scraping cloth, and canvas are commonly used for tarpaulins. PVC coated fabric is waterproof, sun resistant, and comes in multiple colors; The knife scraping cloth has high strength, wear resistance, and stain resistance; Canvas is breathable and cheap, but its durability and sun protection are inferior. Accessories such as connectors and screws are usually made of stainless steel or high-strength plastic. Stainless steel is sturdy and corrosion-resistant, plastic is lightweight and cost-effective, and good accessories can make the sliding shed last long and smooth.

了解这些，无论是买推拉棚，还是日常维护，都能更得心应手，让推拉棚更好地服务生活。​​

By understanding these, whether it is buying a sliding shed or daily maintenance, one can be more adept and make the sliding shed better serve life. ​​

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