蚌埠学院本科毕业设计（论文）
15. 手柄式人力控制器
图形符号如图4-15所示：
图4-15手柄式人力控制器
程序代码如下： (defun c:handle()
(setq p0(getpoint\确定基点\ (setq p1(polar p0 0 12)) (setq p2(polar p0 (* 0.5 pi) 10)) (setq p3(polar p0 (* 0.5 pi) 12)) (setq p4(polar p3 0 12)) (setq p5(polar p2 pi 12)) (setq p6(polar p3 pi 12)) (setq p7(polar p6(* 0.5 pi) 2)) (setq p8(polar p5(* 1.5 pi) 2)) (setq cl(polar p7(* 0.5 pi) 2)) (command \ (command\ (command\
(command\ (command\ (princ) )
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赵辉：AutoCAD环境下的液压系统符号开发
16. 双作用电磁控制器
图4-16 双作用电磁控制器
程序代码如下： (defun c:both()
(setq p0(getpoint\确定基点:\ (setq p1(polar p0 0 8)) (setq p2(polar p0 (* 0.5 pi) 4)) (setq p3(polar p0 (* 0.5 pi) 8)) (setq p4(polar p3 0 8)) (setq p5(polar p2 pi 10)) (setq p6(polar p0 pi 10)) (setq p7(polar p2 pi 5)) (setq p8(polar p0 pi 3)) (setq p9(polar p0 pi 8)) (command\ (command\ (command\
(command\ (princ) )
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蚌埠学院本科毕业设计（论文）
17. 蓄能器
图形符号如图4-17所示：
程序代码如下： (defun c:store()
(setq p0(getpoint\确定基点:\ (setq p1(polar p0 0 3.5)) (setq p2(polar p1 (* 0.5 pi) 7)) (setq p3(polar p0 0 7)) (setq p4(polar p0 (* 0.5 pi) 7)) (setq p5(polar p2 (* 0.5 pi) 3.5)) (setq p6(polar p4 0 7))
(setq p7(polar p1 (-(* 0.5 pi)) 3.5)) (setq p8(polar p7 (-(* 0.5 pi)) 2)) (command\ (command\ (command\ (command\ (command\ (princ) )
图4-17 蓄能器
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赵辉：AutoCAD环境下的液压系统符号开发
18. 三位四通换向阀
图形符号如图4-18所示：
图4-18 三位四通换向阀
程序代码如下： (defun c:valve05()
(setq p0(getpoint\确定基点:\ (setq p1(polar p0 (* 0.5 pi) 7)) (setq p2(polar p1 0 21)) (setq p3(polar p2 (-(* 0.5 pi)) 7)) (setq p4(polar p0 0 2)) (setq p5(polar p4 (* 0.5 pi) 5)) (setq p6(polar p5 (* 0.5 pi) 2)) (setq p7(polar p1 0 5))
(setq p8(polar p7 (-(* 0.5 pi)) 5)) (setq p9(polar p7 (-(* 0.5 pi)) 7)) (setq p10(polar p0 0 7)) (setq p11(polar p1 0 7)) (setq p12(polar P11 0 2))
(setq p13(polar p12(- (* 0.5 pi)) 2)) (setq p14(polar p13 pi 0.75)) (setq p15(polar p13 0 0.75)) (setq p16(polar p12 (* 0.5 pi) 2)) (setq p17(polar p0 0 9)) (setq p18(polar p17 (* 0.5 pi) 2)) (setq p19(polar p18 pi 0.75)) (setq p20(polar p18 0 0.75))
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蚌埠学院本科毕业设计（论文）
(setq p21(polar p17 (- (* 0.5 pi)) 2)) (setq p22(polar P1 0 12))
(setq p23(polar p22 (- (* 0.5 pi)) 2)) (setq p24(polar p23 pi 0.75)) (setq p25(polar p23 0 0.75)) (setq p26(polar p22 (* 0.5 pi) 2)) (setq p27(polar p0 0 12)) (setq p28(polar p27 (* 0.5 pi) 2)) (setq p29(polar p28 pi 0.75)) (setq p30(polar p28 0 0.75)) (setq p31(polar p27 (-(* 0.5 pi))2)) (setq p32(polar p1 0 14)) (setq p33(polar P0 0 14)) (setq p34(polar p0 0 16))
(setq p35(polar p34 (atan(/ 7 3)) (- (sqrt 58) 2))) (setq p36(polar p34 (atan(/ 7 3)) (sqrt 58))) (setq p37(polar p1 0 16))
(setq p38(polar p37 (-(atan(/ 7 3))) (- (sqrt 58) 2))) (setq p39(polar p37 (-(atan(/ 7 3))) (sqrt 58))) (command\ (command\ (command\
(command\ (command\ (command\ (command\ (command\ (command\ (command\ (command\ (command\
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