NB 投影仪移动推车支架

评测依据

• review_count：12500
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,999]
• dimension：sound_pj
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 03:02:16","to":"2026-06-26 03:02:16"}
• intros：{"brand_intro":"NB（North Bayou）是国内知名的视听支架品牌，成立于2004年，专注于电视挂架、投影仪支架、显示器支架等产品的研发与制造。品牌以\"稳固、安全、易安装\"为核心，产品通过多项国际安全认证，在商用和家用市场均有较高占有率，尤其以承重能力强、调节灵活著称。","product_intro":"NB AVF1800-70-1P 是一款专为大型投影仪设计的移动推车支架，采用加厚冷轧钢板和铝合金材质，最大承重达70kg，可适配绝大多数商用及家用投影仪。推车底部配备4个万向静音刹车轮，移动平稳且可锁定。立柱高度可自由调节，托盘支持俯仰和水平旋转，便于快速调整投影角度。表面经防锈喷涂处理，适合会议室、教室、展厅等场景长期使用。","key_specs":["最大承重：70kg","高度调节范围：1100-1800mm","托盘尺寸：500×400mm","轮子：4个万向静音刹车轮（2个带刹车）","材质：冷轧钢板+铝合金","适用投影仪：通用型，支持1/4英寸及3/8英寸螺丝"]}
• alt_products：[{"product_name":"NB 投影仪移动推车支架","brand":"NB","model":"NB AVF1800-70-1P","price":899},{"product_name":"乐歌 投影仪移动推车","brand":"乐歌","model":"乐歌 DLB502","price":799},{"product_name":"得力 投影仪移动支架推车","brand":"得力","model":"得力 50467","price":549}]
• kol_quotes：["\"NB这款推车是我用过最稳的，70kg承重完全够用，会议室必备。\"——数码评测博主@科技小辛","\"调节高度非常丝滑，一个人就能操作，省时省力。\"——办公设备达人@老张说设备"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.3,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其\"非常稳固\"，即使安装大型工程投影仪也不会晃动。高度调节顺滑，刹车轮锁定后纹丝不动。安装过程较为简单，附带的螺丝和工具齐全。少数用户提到托盘表面容易留指纹，但整体做工扎实。在京东好评率超过98%，是商用采购的热门选择。","source_count":2}},{"source":"objective","score":94,"weight":0.4,"confidence":0.6,"details":{"rating_avg":4.7,"review_count":12500}},{"source":"user_review","score":94,"weight":0.2,"confidence":1,"details":{"rating_avg":4.7,"review_count":12500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"NB这款推车是我用过最稳的，70kg承重完全够用，会议室必备。\"——数码评测博主@科技小辛","\"调节高度非常丝滑，一个人就能操作，省时省力。\"——办公设备达人@老张说设备"]}}]
• method_version：v2
• search_visual：null