Unverified92% confidenceDecision RuleTime unknown
承重方向不同：折叠扶手承受的是向下拉力，安装墙面必须是实心承重墙或承重砖墙，空心砖、轻质隔墙（如石膏板、泡沫砖）必须加装背板或穿墙螺栓固定，否则膨胀螺丝会被整块拔出
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92%
Confidence
Long-term
Relevance
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Unverified壁挂式挂架安装墙面材质决定固定方式：实心砖墙/混凝土墙可用膨胀螺丝承重，空心砖、石膏板或轻质隔墙必须用专用锚栓或穿透龙骨固定，普通膨胀螺丝在空心墙上几乎无承重力94% similarUnverified打孔安装扶手固定螺丝必须打入瓷砖后的实体墙（砖墙/混凝土），若墙体为轻质隔墙或空心砖需加装背板加固，否则承重会大幅打折93% similarUnverified承压方向影响选型：壁挂折叠架的力矩集中在墙面固定点，挂重物时对墙体固定要求高于落地款；空心砖/石膏板墙需搭配专用锚栓而非普通膨胀螺丝92% similarUnverified墙壁安装式扶手必须固定在实心墙或有龙骨支撑处，空心隔墙或纯瓷砖找平层无法承受横向剪切力，需先探测墙体结构或加装背板91% similarUnverified壁挂盆需墙体为承重实心墙并预埋加固支架，轻质隔墙或空心砖墙直接安装易松动脱落，需先做钢架加固91% similar
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