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src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F605\u002F20261103\u002F179366649993722080\u002Farticle-605-8b346a2a8a47c024.webp\" alt=\"柱间开口分为收拢门体占用与剩余净通道的尺寸口径示意\" loading=\"lazy\" \u002F>\u003C\u002Fp>\u003Cp>柱间开口与开到位后的净通道分别标注；尺寸线起止点应对应真实限制边界。图为非比例示意。\u003C\u002Fp>\n\u003Ch2>扣除的是开口内的占用，不是整段收拢长度\u003C\u002Fh2>\n\u003Cp>在两侧边界平行、所量断面没有其他障碍的简单布置中，可以先从柱间开口出发，扣除门体伸入这段开口的宽度。关键是\u003Cstrong>只扣落在开口范围内的部分\u003C\u002Fstrong>，不能看到报价表上有一个“收拢长度”，就无条件把整个数减掉。\u003C\u002Fp>\n\u003Cp>如果门体能够全部退入开口侧面的独立收纳区，收拢长度主要影响侧边需要留多长空间，并不必然减少柱间通道。若收纳区只能容纳一部分，留在开口内的机头或门排才会缩小通道。双向开启的布置则要同时核对左右两侧；不能只看其中一扇退到位。\u003C\u002Fp>\n\u003Cp>反过来，如果已经直接从机头最突出外缘量到对面的限制边界，得到的就是这个断面剩余的净宽，不应再减一次收拢尺寸。两种量法可以互相核对，但不能把同一段占用重复扣除。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F605\u002F20261103\u002F179366650435479431\u002Farticle-605-3272b3c0ef72e1c1.webp\" alt=\"收拢区位于开口外或占用开口时，净通道测量边界不同的对比\" loading=\"lazy\" \u002F>\u003C\u002Fp>\u003Cp>同样的收拢长度，布置在开口内外会产生不同影响；虚线仅表示开口边界，不代表实体门柱。图为非比例示意。\u003C\u002Fp>\n\u003Ch2>一条尺寸线，要对应明确的测量位置和状态\u003C\u002Fh2>\n\u003Cp>“门已经打开”还不够具体。应记录它是否到达正常使用的开启停止位置，以及该位置对应的机头外缘在哪里。未安装时，要依据拟选门型的开启布置图核对；安装后，再按实际开到位状态复核。不能为了得到更大的数，临时挪动门体或擅自调整限位。\u003C\u002Fp>\n\u003Cp>测量时也不能只贴地拉一条斜线。尺寸线应沿需要核对的通道宽度方向，记录测量断面及高度，并检查柱脚、机头上部或附属件是否在其他高度进一步突出。斜着量出的距离更长，却不代表正向通过的宽度增加。\u003C\u002Fp>\n\u003Cp>在有岗亭、设备岛或相邻门体的入口，门口这一条线并不能代表整个通行路径。应沿实际路径继续检查前后位置的收窄处。若不同位置的障碍彼此错开，还需把它们的位置关系画清楚，而不是只挑一个较大的数字写进记录。\u003C\u002Fp>\n\u003Ch2>把测量结果留下来，而不是只报“几米门”\u003C\u002Fh2>\n\u003Cp>一份有用的现场记录至少应包含：测量日期及门的开启状态；两侧测量边界的名称；柱间或墙间开口；左右门体实际侵入开口的范围；该断面剩余净宽；收拢区的可用长度和横向空间。尺寸单位应统一，草图上的尺寸线与照片中的位置对应。\u003C\u002Fp>\n\u003Cp>还应把两个问题分开：一是开门后有没有足够的净开口，二是门能否在该路面上完成所需行程。启功具体伸缩门产品资料对安装路面的平整条件有明确要求；建中产品页也要求提供坡度、横坡、供电位置和收拢区情况。路面条件不合适，不能靠把图上的尺寸线画长来解决。\u003C\u002Fp>\n\u003Cp>已有门现场复核，应先停止通行，在门停止运行并可靠隔离自动启动后测量；不要站在运动中的门排旁拉尺，更不要伸入剪叉连杆之间。需要开闭复核时，先撤离人员和量具，再由管理或维护人员操作。\u003C\u002Fp>\n\u003Cp>最后，净宽是入口条件之一，不等于车辆转弯已经具备条件。车辆的转弯路径、入口前后空间以及项目规定的通行要求仍要另行核对。对“伸缩门净通道从哪里量”这个问题，可以记住一个顺序：\u003Cstrong>先定开到位状态，再找实际限制边界，最后记录最受限制位置的净宽。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Ch2>资料来源\u003C\u002Fh2>\n\u003Cp>1. 建中《方框交叉铝合金伸缩门 JZ-RG-A01》，产品页更新日期2026年9月15日：\u003Ca href=\"https:\u002F\u002Fwww.shenzhenjianzhong.com\u002Fproducts\u002Faluminum-accordion-folding-security-gate\" target=\"_blank\" rel=\"noopener noreferrer\">尺寸口径及现场条件\u003C\u002Fa>。\u003C\u002Fp>\n\u003Cp>2. 启功《智能车牌识别伸缩门启19》，型号QG-CPQ19：\u003Ca href=\"https:\u002F\u002Fqigonggate.com\u002Fhtml\u002Fweb\u002FproductCentre\u002FhardwareProducts\u002FelectricDoors\u002FelectricTelescopicDoor\u002F1857620548911673345.html\" target=\"_blank\" rel=\"noopener noreferrer\">具体产品安装路面要求\u003C\u002Fa>，读取日期2026年11月3日。\u003C\u002Fp>",[],"建中编辑部","建中JZ-RG-A01产品资料；启功QG-CPQ19中文产品资料","伸缩门净通道宽度怎么量？开口、收拢占用与测量边界","伸缩门净宽,净通道宽度,伸缩门测量,收拢尺寸,开口宽度","伸缩门开到位后，应从机头或门排的实际限制边界量净宽。区分柱间开口、收拢长度和通道占用，避免重复扣减，并记录测量状态与现场空间。",{"id":36,"name":46,"slug":348},{"title":360,"slug":361},"徐州交控采购双轨双帘防火卷帘，两包预计面积分别列明","xuzhou-fire-shutter-two-package-procurement-202611",{"title":363,"slug":364},"不锈钢门用螺栓安装时突然拧不动，是生锈了吗？","stainless-door-bolt-thread-galling",[366],{"id":207,"title":37,"subtitle":367,"image":368,"mobileImage":16,"link":16},"行业动态 · 技术问答 · 产品FAQ","https:\u002F\u002Fwww.shenzhenjianzhong.com\u002Fsecurity-assets\u002F5085ba7fa31941f0ae59e7a8db089907e86b3d1e921787ea3e7e8ff1a14d84e7.jpg"]