1.1 本规范涵盖了安装在船舶上的楔块的主要尺寸和材料，以符合巴拿马运河的规定。 1.2 楔块可以与钢丝绳或纤维和合成绳一起使用。 1.3 楔块用于直接安装在甲板、座椅（基础）上或安装在舷墙中。 1.4 为了满足巴拿马运河公司的规定，线路接触面的半径必须为180毫米。 1.5 以国际单位制表示的数值应视为标准。本标准不包括其他计量单位。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification covers the principal dimensions and materials of chocks installed in ships to comply with the regulations of the Panama Canal. 1.2 Chocks can be used with either wire rope or fiber and synthetic ropes. 1.3 Chocks are for mounting directly on a deck, seat (foundation) or for mounting in a bulwark. 1.4 To meet Panama Canal Company regulations the radius of contact surfaces of lines must be 180 mm. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.