在停车场安装电缆桥架，需要准备以下材料：

　　To install cable trays in a parking lot, the following materials need to be prepared:

　　1.电缆桥架主体

　　1. Main body of cable tray

　　· 直线段桥架：根据设计要求选择合适的宽度、高度和长度，常见的规格有200mm×100mm、300mm×150mm、400mm×200mm等，单件标准长度一般为2m、3m、4m、6m。

　　·Straight section bridge: Choose the appropriate width, height, and length according to design requirements. Common specifications include 200mm × 100mm, 300mm × 150mm, 400mm × 200mm, etc. The standard length of a single piece is generally 2m, 3m, 4m, 6m.

　　· 弯通：包括直角弯通、圆弧弯通等，用于桥架的转弯处，确保电缆敷设顺畅。

　　·Bends: including right angle bends, circular arc bends, etc., used at the turning points of cable trays to ensure smooth cable laying.

　　· 三通、四通：用于桥架的分支或交汇处，实现电缆的分路或汇流。

　　·Three way and four way: used at the branching or intersection of cable trays to achieve cable branching or convergence.

　　· 变宽板、变高板：当桥架需要连接不同宽度或高度的段落时使用。

　　·Widening board and heightening board: used when the bridge needs to connect sections of different widths or heights.

　　2.支、吊、托架

　　2. Support, suspension, and bracket

　　· 角钢支架：常用规格如25mm×25mm×3mm、30mm×30mm×3mm等，用于支撑桥架，可沿墙、柱或梁安装。

　　·Angle steel bracket: commonly used specifications such as 25mm × 25mm × 3mm, 30mm × 30mm × 3mm, etc., used to support cable trays and can be installed along walls, columns, or beams.

　　· 槽钢支架：适用于较大跨度或承载要求较高的场合，如50mm×50mm×5mm等规格。

　　·Channel steel bracket: suitable for situations with large spans or high load-bearing requirements, such as 50mm × 50mm × 5mm and other specifications.

　　· 吊架：用于悬吊桥架，可根据桥架重量和跨度选择合适的规格，如Φ10、Φ12、Φ16等直径的吊杆。

　　·Hanger: Used for suspending bridge frames, suitable specifications can be selected according to the weight and span of the bridge frame, such as suspension rods with diameters of Φ 10, Φ 12, Φ 16, etc.

　　· 托臂：直接支承托盘、梯架，与立柱或支架连接，有螺栓固定、卡接等多种形式。

　　·Arm support: directly supporting trays and ladders, connected to columns or brackets, with various forms such as bolt fixation and clamping.

　　3.连接件与紧固件

　　3. Connectors and fasteners

　　· 连接板：用于桥架直线段之间的连接，确保桥架的连续性和稳定性。

　　·Connection plate: used for connecting straight sections of the bridge to ensure the continuity and stability of the bridge.

　　· 螺栓、螺母、垫圈：用于固定桥架、支吊架及连接件，螺栓规格一般为M8、M10、M12等，需配套使用平垫圈、弹簧垫圈等，防止松动。

　　·Bolts, nuts, washers: used to fix cable trays, supports, hangers, and connectors. Bolt specifications are generally M8, M10, M12, etc., and flat washers, spring washers, etc. need to be used to prevent loosening.

　　· 接地螺栓、接地铜排：用于桥架的接地连接，确保电气，接地螺栓直径一般不小于M10，接地铜排截面积不小于4mm?。

　　·Grounding bolt and grounding copper bar: used for grounding connection of cable trays to ensure electrical safety. The diameter of the grounding bolt is generally not less than M10, and the cross-sectional area of the grounding copper bar is not less than 4mm?.

　　4.盖板与封堵材料

　　4. Cover plate and sealing material

　　· 盖板：根据桥架类型选择相应的盖板，如槽式桥架的盖板需与槽体匹配，梯式桥架的盖板可选择单层或双层结构，起到保护电缆和防尘、防潮作用。

　　·Cover plate: Select the corresponding cover plate according to the type of cable tray. For example, the cover plate of the trough type cable tray needs to match the trough body, and the cover plate of the ladder type cable tray can choose a single-layer or double-layer structure to protect the cable and prevent dust and moisture.

　　· 防火封堵材料：如防火泥、防火枕、阻火包等，用于桥架穿过防火墙、楼板等部位时的防火封堵，防止火灾蔓延。

　　·Fireproof sealing materials: such as fireproof mud, fireproof pillows, fireproof bags, etc., used for fireproof sealing when cable trays pass through firewalls, floors, and other parts to prevent the spread of fire.

　　5.辅助材料

　　5. Auxiliary materials

　　· 电缆标示牌：用于标识桥架内电缆的用途、规格、走向等信息，便于维护和管理。

　　·Cable signage: used to indicate the purpose, specifications, direction, and other information of cables inside the cable tray for easy maintenance and management.

　　· 油漆、防锈漆：用于桥架及支吊架的表面防腐处理，延长使用寿命。

　　·Paint and anti rust paint: used for surface anti-corrosion treatment of cable trays and supports, extending their service life.

　　· 绝缘垫片：当铝合金桥架与钢支架固定时，需使用绝缘垫片防止电化腐蚀。以上材料需根据停车场的具体规模、电缆数量、敷设要求等因素进行精确计算和采购，确保施工顺利进行。

　　·Insulation gasket: When fixing aluminum alloy bridge and steel bracket, insulation gasket should be used to prevent electrochemical corrosion. The above materials need to be accurately calculated and purchased based on factors such as the specific size of the parking lot, the number of cables, and the laying requirements to ensure smooth construction.

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