液压阀符号汇总常用液压图形符号表1常用液压图形符号(摘自GB/T786.1-1993)(1)液压泵、液压马达和液压缸名称符号说明名称符号说明液压泵一般符号详细符号不可调单向缓冲缸单向旋转、单向定量单向流动、简化符号液压泵定排量双向旋转，双向定量液压泵双向流动，详细符号液压泵定排量可调单向缓冲缸单向旋转，单向变量单向流动，简化符号液压泵变排量双向旋转，双向变量双作用双向流动，详细符号液压泵缸变排量不可调双向缓冲缸液压马达一般符号简化符号单向定量单向流动，详细符号液压马达单向旋转可调双向缓冲缸双向流动，双向定量液压马达双向旋转，简化符号液压马达定排量单向流动，单向变量单向旋转，伸缩缸液压马达变排量双向流动，双向变量压力转气-液转双向旋转，单程作用液压马达换器换器变排量international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustmentin Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central双向摆动，摆动马达连续作用定角度单向流动，定量液压单向旋转，单程作用泵-马达定排量增压器双向流动，变量液压双向旋转，连续作用泵-马达泵-马达变排量，外部泄油单向旋转，液压整体变排量泵，式传动装蓄能器一般符号定排量马置达气体隔离详细符号式单活塞杆蓄能器缸简化符号重锤式详细符号弹簧式单活塞杆单作用缸缸(带弹簧复位)简化符号辅助气瓶柱塞缸气罐伸缩缸液压源一般符号详细符号能量源气压源一般符号单活塞杆双作用缸缸简化符号电动机international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central详细符号原动机电动机除外双活塞杆缸简化符号(2)机械控制装置和控制方法名称符号说明名称符号说明直线运动箭头可省液压先导内部压力控制的杆略加压控制旋转运动箭头可省液压先导外部压力控制的轴略加压控制液压二级内部压力控制，定位装置先导加压机械控制内部泄油控制件气-液先气压外部控制，*为开锁的锁定装置导加压控液压内部控制，控制方法制外部泄油电-液先液压外部控制，弹跳机构导加压控内部泄油制先导压内部压力控制，力控制顶杆式内部泄油方法液压先导外部压力控制卸压控制可变行程(带遥控泄放控制式口)电磁铁控制、外弹簧控制电-液先部压力控制，外机械控制式导控制部泄油方法带压力调节弹两个方向先导型压滚轮式簧，外部泄油，操作力控制阀带遥控泄放口仅在一个先导型比先导级由比例电单向滚轮方向上操例电磁式磁铁控制，内部式作，箭头可压力控制泄油省略阀international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods andthe size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central电气引线可省单作用电人力控制一般符号略，斜线也可向磁铁右下方双作用电按钮式磁铁单作用可调电磁操作(比例拉钮式电气控电磁铁，制方法力马达等)人力控制双作用可方法调电磁操按-拉式作(力矩马达等)旋转运动手柄式电气控制装置单向踏板反馈控制一般符号式由电位器、差动双向踏板电反馈变压器等检测位反馈控式置制方法加压或卸内部机械如随动阀仿形控压控制反馈制回路等差动控制直接压力控制通路控制方法内部压力夺元件内控制部控制通路外部压力在元件外控制部(3)压力控制阀名称符号说明名称符号说明international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown mainfuture population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central先导型比一般符号例电磁式溢流阀或直动型溢流减压溢流阀阀先导型溢定比减压减压比1/3 减压阀流阀阀先导型电定差减压(常闭) 磁溢流阀阀直动式比一般符号或睦动顺序阀溢流阀例溢流阀型顺序阀先导比例先导型顺顺序阀溢流阀序阀单向顺序卸荷溢流p,p时卸21阀(平衡阀荷阀) 双向溢流直动式，外一般符号或直动卸荷阀阀部泄油型卸荷阀卸荷阀一般符号先导型电减压阀或直动型p,p 12磁卸荷阀减压阀先导型减双溢流制减压阀压阀动阀制动阀溢流减压溢流油桥阀制动阀(4)方向控制阀名称符号说明名称符号说明international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population ofabout 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central二位五通详细符号液动阀单向阀单向阀简化符号二位四通(弹簧可机动阀省略)详细符号三位四通(控制压电磁阀力关闭阀)三位四通简化符号(内控简化符号电液阀外泄) 液控单向阀详细符号液压单向三位六通(控制压阀手动阀力打开阀)简化符号三位五通换向阀 (弹簧可电磁阀省略)外控内泄(带手双液控单三位四通动应急控制装向阀电液阀置)三位四通节流型，中位正详细符号比例阀遮盖梭阀或门型三位四通简化符号中位负遮盖比例阀二位四通常断比例阀二位二通换向阀电磁阀常通四通伺服international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, theper capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central二位三通二级电磁阀四通电液伺服阀二位三通带电反馈三级电磁球阀二位四通电磁阀(5)流量控制阀名称符号说明名称符号说明详细符号调速阀简化符号可调节流阀旁通型调简化符号简化符号速阀调速阀不可调节温度补偿一般符号简化符号流阀型调速阀单向节流单向调速节流阀简化符号阀阀双单向节分流阀流阀单向分流截止阀阀同步阀滚轮控制节流阀集流阀 (减速阀)分流集流调速阀调速阀详细符号阀 international, Unicominternational market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan YunnanGuizhou of regional center, and international ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does notconstitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land percapita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central(6)油箱名称符号说明名称符号说明管端在液管端在油面上箱底部通大气式油箱管端在液带空气过局部泄油面下滤器或回油加压油箱或密闭油三条油路箱(7)流体调节器名称符号说明名称符号说明过滤器一般符号空气过滤器带污染指示器的过温度调节器滤器磁性过滤冷却器一般符号器过滤器冷却器带冷却剂带旁通阀管路的冷的过滤器却器双筒过滤p:进油 1加热器一般符号器 p:回油 2(8)检测器、指示器名称符号说明名称符号说明检流计压力指示(液流指器示器) 压力检测流量检器测器压力表流量计 (计)international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan,the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central电接点压力表(压累计流量力显控计器)压差控制温度计表液位计转速仪转矩仪(9)其它辅助元器件名称符号说明名称符号说明详细符号压差开关压力继电器(压力开关)一般符号传感器一般符号传感器压力传感详细符号器行程开关温度传感一般符号器联轴器一般符号联轴器放大器弹性联轴器(10)管路、管路接口和接头名称符号说明名称符号说明压力管路两管路交叉不连管路交叉管路回油管路接管路管路两管路相连接管路柔性管路交连接international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan,the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labour law development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central单向放气可表示泄控制管路装置(测油管路压接头)不带单向单通路旋阀的快换转接头接头旋转接快换接头带单向阀头三通路旋的快换接转接头头international, Unicom international market, adapted future people on city of development needs, based Yu industry support, and traffic advantage, and Yangtze River culture, and ecological civilization, advantage, established city development target: radiation absorb Yangtze River upstream chuan Yunnan Guizhou of regional center, andinternational ecological landscape culture city. 2.3.2 economic development in Yibin city, goal 2020 GDP reached 300 billion yuan, the per capita GDP reached 58000 2030 regional GDP reached 800 billion yuan, the per capita GDP reached 138000. 2020 industrial structure adjustment in Yibin city as 9:56:35; 2030 industrial structure adjustment for the 6:47:47. Industrial output by 2020 of 510 billion yuan in 2030 and reach 1.2 trillion yuan. 2.4 of the urban population and land size 2.4.1 Yibin city, population size according to the different forecasting methods and the size of population environmental capacity check, the downtown main future population projections for the year are as follows: downtown main future population projections for the year (unit: million) forecast methods, 2020, 2030, balancing method for 130-150 table 2.4-1 170-190 ultra high speed development of relationship between economic and labourlaw development of 150 210 140 180 General develop 130 1.7 million people, resources and environment capacity check land population carrying capacity--280 water resources and population capacity-does not constitute a binding comprehensive prediction of ecological resources coupled--310 results of 140-180 in 2020, the actual resident population of about 1.4 million people; 2030 the actual resident population of about 1.8 million people. 2.4.2 the use of scale, Yibin city 2030 per capita index of urban construction land in the center of 100 square meters per person. Yibin city construction land standards and scale of table table 2.4-2 year population size (mass) land size (km2) land per capita ((km2/people) 2012 82.5 76.19 92.4 2020 140 140 100 2030 2030 Yibin 180 180 100 figure 2.4-1 figure 2.5 land-use planning layout of urban space in central。
