线型及其含义：

比例：

水、汽管道代号：

工艺管道施工图常用图例：

水、汽管道阀门和附件图例：

给排水、采暖常用图例：

通风空调工程常用图例：

风道代号：

风道、阀门及附件图例：

风口和附件代号：

暖通空调设备图例：

调控装置及仪表图例：

各种执行机构可与风阀、水阀组合 表示相应功能的控制阀门。

消防工程基本图形符号：

消防工程辅助符号：

消防工程灭火器符号：

消防管路及配件符号：

消防工程固定灭火器系统符号：

消防工程灭火设备安装处符号：

消防设施：

消防工程自动报警设备符号：

管道图例：

管道附件：

管道连接：

管件：

常见阀门：

给水配件：

小型给水排水构筑物：

给水排水设备：

仪表：

管道和设备布置平面图、剖面图示例：

管道和设备布置平面图应按假象除去上层板后俯视规则绘制，其相应的垂直剖面图应在平面图中表明剖切符号。

标准层平面图

平、剖面示例

平面图、剖面图索引符号的画法：

平面图、剖面图中的局部需另绘详图时，应在平、剖面图上标注索引符号。索引符号的画法见下图。

索引符号的画法

内视符号画法：

当表示局部位置的相互关系，在平面图上应标注内视符号。

内视符号画法

系统编号：

1、一个工程设计中同时有供暖、通风、空调等两个及以上的不同系统时，应进行系统编号。

2、暖通空调系统编号、入口编号，应由系统代号和顺序号组成。

3、系统代号用大写拉丁字母表示，顺序号用阿拉伯数字表示。当一个系统出现分支时，可采用下图的画法。

系统代号

立管号的画法

竖向布置的垂直管道系统，应标注立管号，在不一致引起误解时，可只标注序号，但应与建筑轴线编号有明显区别。

立管号的画法

管道相对标高的画法：

1、在无法标注垂直尺寸的图样中，应标注标高。标高应以m为单位，并应精确到cm或mm。

2、标高符号应以直角等腰三角形表示。当面标准层较多时，可只标注与本层楼（地）板面的相对标高。

3、水、汽管道所标高未予说明时，应表示为管中心标高。

4、水、汽管道标注管道外底或顶标高时，应在数字前加“底”或“顶”字样。

5、矩形风管所注标高应表示管底标高；圆形风管所注标高应表示管中心标高。当不采用此方法标注时，应进行说明。

6、平面图中无坡度要求的管道标高可标注在管道截面尺寸后的括号内。必要时，应在标高数字前加“底”或“顶”的字样。

相对标高的画法

管道截面尺寸的标注符号及画法：

1、低压流体输送用焊接管道规格应标注公称通径或压力。公称通径的标记应由字母“DN”后跟一个以亳米表示的数值组成；公称压力的代号应为“PN”。

2、输送流体用无缝钢管、螺旋缝或直缝焊接钢管、铜管、不锈钢管，当需要注明外径和壁厚时，应用“D（或Φ）外径×壁厚”表示。在不致引起误解时，也可采用公称通径表示。

3、塑料管外径应用“de”表示。

4、圆形风管的截面定型尺寸应以直径“Φ”表示，单位应为mm.

5、矩形风管（风道）的截面定型尺寸应以“A×B”表示。“A”应为该视图投影面的边长尺寸，“B”应为另一边尺雨。A、B单位均应为mm。

6、水平管道的规格宜标注在管道的上方；竖向管道的规格宜标注在管道的左侧。双线表示的管道，其规格可标注在管道轮廓线内。

管道截面尺寸的画法

多条管线的规格标注方法：

多条管线规格的画法

风口、散流器表示方法：

风口、散流器的表示方法

定位尺寸的表示方法：

定位尺寸的表示方式

单线管道转向的画法：

单线管道转向的画法

双线管道转向的画法：

双线管道转向的画法

单线管道分支的画法：

单线管道分支的画法

双线管道分支的画法：

双线管道分支的画法

送风管转向的画法：

送风管转向的画法

回风管转向的画法：

管道断开的画法

平面图、剖视图中管道因重叠、密集需断开时，应采用断开画法。

管道断开的画法

管道在本图中断的画法：

管道在本图中断，转至其他图面表示（或由其他图面引来）时，应注明转至（或来自的）的图纸编号。

管道在本图中断的画法

管道交叉的画法：

管道交叉的画法

管道跨越的画法：

管道跨越的画法

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乔砖味760管道图纸中都有哪些字母是表示标高的NEL PTEL各表是什么 -
祁肺德17654185122 ______ N是北,EL是中心标高,一般在图纸中表示方向坐标用的PTEL+xxx点标高更多的符号可以参考SH/T3052-2004石油化工配管工程设计图例

乔砖味760在景观工程图纸中tc代表什么 -
祁肺德17654185122 ______ 景观施工总平图中,TC代表路牙顶面标纤斗高. 其他施工图中的标高符号: WL 水面标高、是池面标高; WT是挡土墙、景观构筑物完成面标高; TW 顶部标高; TS 土壤面标高 ; TSW 坐墙顶部毁团磨标高; TPL 种植池顶标高; TSW 座或族墙顶标高; TK路牙顶; TR栏杆扶手顶标高; PA 代表种植区、指绿化区域、是绿化的意思; FL 完成面标高; FG 种植标高; FF室内楼地标高 ; BF 水底标高; BL池底标高; BW墙底 BK路牙底; BP 种植池底标高; BC路缘底标高; BS踏步标高; BR栏杆扶手底标高 ; RL 道路标高; SL土面标高 .

乔砖味760求:房地产开发中,施工图中常用的符号及内容? -
祁肺德17654185122 ______ 为了保证制图质量、提高效率、表达统一和便于识读,我国制订了国家标准《房屋建筑制图统一标准》(简称“标准”),其中几项主要的规定和常用的表示方法如下: 1.定位轴线 在施工图中通常将房屋的基础、墙、柱和梁等承重构件的轴线...

乔砖味760机械制图中标高是什么意思 -
祁肺德17654185122 ______ 标高表示建筑物某一部位相对于基准面(标高的零点)的竖向高度,是竖向定位的依据.编辑本段2.分类 标高按基准面选取的不同分为绝对标高和相对标高.(1)绝对标高 绝对标高:是以一个国家...

乔砖味760CAD的一些标识分别是怎么表示就好比:±:正负号,△:用作什么地方来表示.标高的又是什么符号,应该用什么来表示.麻烦清楚的告诉下 -
祁肺德17654185122 ______[答案] 正负号后面一般都会有数字 整张图纸会有个:±0.00这个是相对零点,.意思就是这个是地面 .其他的比如+0.02表示这里高出地面0.02M -0.02意思就比这个低0.02M 标高一般用倒三角,三角形的上面有根直线,直线上面是层高数值.

乔砖味760建筑标高符号 - 6.350代表什么意思 -
祁肺德17654185122 ______ -6.350 ±0.000下6.35米.假如±0.000的高程为+100,它的标高就是93.65

乔砖味760建筑标高和结构标高在图纸上用什么符号区分? -
祁肺德17654185122 ______[答案] 画法没有区别 结构图上是结构标高 建筑图上是建筑标高 就是带装修面或者就是完成面的标高 这两者是个同一个系统标高 无其他区别

乔砖味760建筑图上的标高怎么看 -
祁肺德17654185122 ______ 施工图中的标高会有一个原点标高,记为0.000.建筑物其他部分相对于该点的高度就是这部分的标高.海拔以米为单位.一般建筑首层室内地面标高在施工图中为±0.000.根据上述规定,位于0.000以上的建筑物的标高计为正,但在数字前不显示“+”号;当它位于0.000以下时,它的标高为负,并且在数字前面显示一个“-”号.例如,如果该建筑的某一部分比室内地面的某一层高出0.9米,则其标高为0.900;如果该建筑的某一部分比室内地面首层低0.6米,则其标高为-0.600.另一方面,如果这个建筑的某一部分的标高是3.600,说明这个部分比一楼室内地面高3.6米;如果这个建筑的某一部分标高为-0.150,说明这个部分比室内层的首层低0.15m.

乔砖味760土建基础图纸中的每个符号都是什么意思,从上到下 -
祁肺德17654185122 ______ 这是梁的集中标注,其中各的表示意思如下: 一、第一行表示梁编号、跨数、断面尺寸: WKL:屋面框架梁; 1:本图中识别编号为1; (4):本条梁共有4跨; 250*465:梁宽250mm,高465mm. 二、第二行表示箍筋的型号规格、间距、组合方...

乔砖味760怎么画标高符号 -
祁肺德17654185122 ______[答案] 在天正建筑里有标高标注,自带有标高符号! 如果是CAD的话就得用直线画三角形并填充来代替~