CN202187922U - Rotor assembly of 20-60 horsepower double-screw air compressor - Google Patents
Rotor assembly of 20-60 horsepower double-screw air compressor Download PDFInfo
- Publication number
- CN202187922U CN202187922U CN2011202773006U CN201120277300U CN202187922U CN 202187922 U CN202187922 U CN 202187922U CN 2011202773006 U CN2011202773006 U CN 2011202773006U CN 201120277300 U CN201120277300 U CN 201120277300U CN 202187922 U CN202187922 U CN 202187922U
- Authority
- CN
- China
- Prior art keywords
- point
- coordinate
- arc
- circular arc
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Detergent Compositions (AREA)
Abstract
The utility model discloses a rotor assembly of a 20-60 horsepower double-screw air compressor, and relates to an air compression assembly of an air compressor. The rotor assembly is provided with a female rotor and a male rotor which are meshed with each other, the female rotor is provided with six levorotatory teeth, and the male rotor is provided with five dextrorotatory teeth, each tooth on the female rotor is provided with a tooth crest arc ab, a connecting arc bc, an arc envelope curve cd, an arc envelope curve de, an arc envelope curve ef and a swing point protective arc fg; each tooth on the male rotor is respectively provided with the arcs corresponding to the arcs on the tooth on the female rotor, including a tooth root arc AB, an arc envelope curve BC, a transitional arc CD, a tooth crest arc DE, a swing point protective arc EF and an arc envelope curve FG; all arcs are all smooth uniform transitional arcs and are in a streamline type. The molded lines of the female rotor and the male rotor do not contain isolated points and straight lines. The rotor assembly has good comprehensive performance and low noise, is easy to process and convenient to use.
Description
Technical field
The utility model relates to a kind of Air Compressor compression assembly.
Background technique
Double-screw air compressor utilizes female rotor, the male rotor of conjugation engagement running in the cavity to export pressurized air continuously.The characteristics of female rotor, male rotor end face molded lines have determined the performance and the efficient of compressor.The manufacturer of double-screw air compressor all is devoted to the molded lines research of yin, yang rotor flute profile now; It is ZL 200820056997.2 that for example Chinese utility model patent specification CN 201180654Y discloses the patent No.; Name is called the technological scheme of " double-screw air compressor screw rotor ", proposes this screw rotor and comprises a pair of intermeshing female rotor and male rotor; Wherein: female rotor is established 6 teeth, and its end face molded lines is made up of three circular arc lines, arc envelope line, straight line (junction of this arc envelope line and this straight line is an isolated point), a cycloid and two circular arc lines to the top circle of next tooth from the top circle of a tooth in order; Male rotor is established 4 teeth, and its end face molded lines is made up of two arc envelope lines, two circular arc lines, two cycloids, a circular arc line (junction of a back cycloid and this circular arc line is an isolated point) and circular arc lines to the root circle of next tooth from the root circle of a tooth in order.The document discloses the coordinate analytic value of forming each section of female rotor profile of tooth curved section and the coordinate analytic value of forming each section of male rotor profile of tooth curved section.The disclosed technological scheme of the document has can reduce fluid dynamic loss and reduction noise, and the leakage triangle area is little.Laterally reveal advantages such as little; But its female rotor and male rotor molded lines contain isolated point, even straight line, are difficult for processing.
The model utility content
The utility model aims to provide the rotor combination that a kind of female rotor and male rotor molded lines do not contain isolated point and straight line, are prone to the 20-60 horsepower double-screw air compressor of processing.
The technological scheme of the utility model is: a kind of rotor combination of 20-60 horsepower double-screw air compressor, a pair of intermeshing female rotor and male rotor are arranged, and female rotor is established 6 left-handed teeth, and male rotor is established the tooth of 5 dextrorotation; Each tooth is provided with tooth top circular arc ab, connection circular arc bc, arc envelope line cd, arc envelope line de, arc envelope line ef, pendulum point protection circular arc fg on the said female rotor; On the said male rotor each tooth be provided with respectively with above-mentioned female rotor on the corresponding circular arc of each circular arc of each tooth: tooth root circular arc AB, arc envelope line BC, transition arc CD, tooth top circular arc DE, pendulum point protection circular arc EF, arc envelope line FG; Above-mentioned each circular arc is level and smooth even transition circular arc, is streamlined;
On the female rotor in the molded lines of a tooth:
Tooth top circular arc ab: the coordinate in the center of circle, X=0.000, Y=27.045; The coordinate of starting point, X=-32.545, Y=-9.670; The coordinate of terminal point, X=-30.963, Y=-11.014; Radius=49.063; Central angle=2.424 °;
Connect circular arc bc: the coordinate in the center of circle, X=-25.693, Y=-4.092; The coordinate of starting point, X=-30.963, Y=-11.014; The coordinate of terminal point, X=-18.733, Y=-9.312; Radius=8.700, central angle=90.418 °;
Pendulum point protection circular arc fg: the coordinate in the center of circle: X=15.244, Y=-18.659; The coordinate of starting point, X=14.361, Y=-18.658; The coordinate of terminal point, X=15.524, Y=-19.497: radius=0.884; Central angle=108.508 °;
The coordinate of non-pressure side arc envelope line cd, de:
The 1st point, X=-18.733, Y=-9.312; The 2nd point, X=-18.539, Y=-9.057;
The 3rd point, X=-18.371, Y=-8.843; The 4th point, X=-18.187, Y=-8.621;
The 5th point, X=-18.003, Y=-8.399; The 6th point, X=-17.900, Y=-8.283;
The 7th point, X=-17.747, Y=-8.111; The 8th point, X=-17.581, Y=-7.928;
The 9th point, X=-17.439, Y=-7.783; The 10th point, X=-17.297, Y=-7.639;
The 11st point, X=-17.183, Y=-7.521; The 12nd point, X=-17.021, Y=-7.357;
The 13rd point, X=-16.904, Y=-7.242; The 14th point, X=-16.746; Y=-7.087;
The 15th point, X=-16.527, Y=-6.877; The 16th point, X=-16.410, Y=-6.767;
The 17th point, X=-16.267, Y=-6.633; The 18th point, X=-16.158, Y=-6.531;
The 19th point, X=-16.074, Y=-6.454; The 20th point, X=-15.989, Y=-6.377;
The 21st point, X=-15.877, Y=-6.279; The 22nd point, X=-15.662, Y=-6.090;
The 23rd point, X=-15.571, Y=-6.011; The 24th point, X=-15.478, Y=-5.931;
The 25th point, X=-15.372, Y=-5.841; The 26th point, X=-15.224, Y=-5.717;
The 27th point, X=-15.066, Y=-5.589; The 28th point, X=-14.910, Y=-5.462;
The 29th point, X=-14.767, Y=-5.347; The 30th point, X=-14.575, Y=-5.196;
The 31st point, X=-14.413, Y=-5.071; The 32nd point, X=-14.207, Y=-4.914;
The 33rd point, X=-13.933, Y=-4.710; The 34th point, X=-13.592, Y=-4.466;
The 35th point, X=-13.412, Y=-4.342; The 36th point, X=-13.231, Y=-4.218;
The 37th point, X=-12.936, Y=-4.023; The 38th point, X=-12.641, Y=-3.828;
The 39th point, X=-12.449, Y=-3.708; The 40th point, X=-12.259, Y=-3.588;
The 41st point, X=-11.910, Y=-3.382; The 42nd point, X=-11.562, Y=-3.176;
The 43rd point, X=-11.276, Y=-3.018; The 44th point, X=-11.042, Y=-2.896;
The 45th point, X=-10.669, Y=-2.697; The 46th point, X=-10.348, Y=-2.531;
The 47th point, X=-10.171, Y=-2.445; The 48th point, X=-9.993, Y=-2.358;
The 49th point, X=-9.646, Y=-2.200; The 50th point, X=-9.300, Y=-2.041;
The 51st point, X=-9.163, Y=-1.979; The 52nd point, X=-9.028, Y=-1.921;
The 53rd point, X=-8.894, Y=-1.864; The 54th point, X=-8.726, Y=-1.794;
The 55th point, X=-8.558, Y=-1.724; The 56th point, X=-8.425, Y=-1.670;
The 57th point, X=-8.292, Y=-1.617; The 58th point, X=-8.056, Y=-1.525;
The 59th point, X=-7.669, Y=-1.381; The 60th point, X=-7.542, Y=-1.336;
The 61st point, X=-7.295, Y=-1.249; The 62nd point, X=-7.052, Y=-1.166;
The 63rd point, X=-6.900, Y=-1.116; The 64th point, X=-6.780, Y=-1.077;
The 65th point, X=-6.616, Y=-1.025; The 66th point, X=-6.293, Y=-0.924;
The 67th point, X=-6.006, Y=-0.843; The 68th point, X=-5.749, Y=-0.770;
The 69th point, X=-5.620, Y=-0.735; The 70th point, X=-5.419, Y=-0.682;
The 71st point, X=-5.210, Y=-0.629; The 72nd point, X=-5.032, Y=-0.585;
The 73rd point, X=-4.801, Y=-0.530; The 74th point, X=-4.604, Y=-0.487;
The 75th point, X=-4.513, Y=-0.468; The 76th point, X=-4.332, Y=-0.429;
The 77th point, X=-4.153, Y=-0.394; The 78th point, X=-3.869, Y=-0.340;
The 79th point, X=-3.670, Y=-0.308; The 80th point, X=-3.370, Y=-0.259;
The 81st point, X=-3.014, Y=-0.205; The 82nd point, X=-2.776, Y=-0.174;
The 83rd point, X=-2.598, Y=-0.151; The 84th point, X=-2.395, Y=-0.127;
The 85th point, X=-2.252, Y=-0.112; The 86th point, X=-2.088, Y=-0.097;
The 87th point, X=-1.886, Y=-0.077; The 88th point, X=-1.609, Y=-0.055;
The 89th point, X=-1.431, Y=-0.044; The 90th point, X=-1.227, Y=-0.031;
The 91st point, X=-1.005, Y=-0.022; The 92nd point, X=-0.781, Y=-0.012;
The 93rd point, X=-0.641, Y=-0.008; The 94th point, X=-0.501, Y=-0.004;
The 95th point, X=-0.355, Y=-0.001; The 96th point, X=-0.209, Y=0.001;
The transition arc CD of corresponding teeth on the corresponding male rotor of arc envelope line cd wherein, the tooth top circular arc DE circular arc of corresponding teeth on the corresponding male rotor of arc envelope line de;
On the pressure side the coordinate of arc envelope line ef is:
The 1st point, X=0.000, Y=0.000; The 2nd point, X=0.198, Y=-0.003;
The 3rd point, X=0.335, Y=-0.006; The 4th point, X=0.520, Y=-0.012;
The 5th point, X=0.854, Y=-0.033; The 6th point, X=1.052, Y=-0.045;
The 7th point, X=1.147, Y=-0.054; The 8th point, X=1.575, Y=-0.103;
The 9th point, X=1.942, Y=-0.153; The 10th point, X=2.320, Y=-0.222;
The 11st point, X=2.613, Y=-0.286; The 12nd point, X=2.844, Y=-0.341;
The 13rd point, X=3.075, Y=-0.395; The 14th point, X=3.355, Y=-0.472;
The 15th point, X=3.617, Y=-0.549; The 16th point, X=4.030, Y=-0.690;
The 17th point, X=4.299, Y=-0.783; The 18th point, X=4.663, Y=-0.931;
The 19th point, X=5.027, Y=-1.078; The 20th point, X=5.499, Y=-1.311;
The 21st point, X=6.048, Y=-1.591; The 22nd point, X=6.327, Y=-1.758;
The 23rd point, X=6.770, Y=-2.029; The 24th point, X=7.293, Y=-2.390;
The 25th point, X=7.485, Y=-2.527; The 26th point, X=7.676, Y=-2.664;
The 27th point, X=8.171, Y=-3.066; The 28th point, X=8.479, Y=-3.334;
The 29th point, X=8.694, Y=-3.532; The 30th point, X=8.908, Y=-3.729;
The 31st point, X=9.305, Y=-4.119; The 32nd point, X=9.671, Y=-4.515;
The 33rd point, X=10.068, Y=-4.974; The 34th point, X=10.224, Y=-5.166;
The 35th point, X=10.546, Y=-5.587; The 36th point, X=10.710, Y=-5.802;
The 37th point, X=11.020, Y=-6.256; The 38th point, X=11.298, Y=-6.673;
The 39th point, X=11.628, Y=-7.212; The 40th point, X=11.931, Y=-7.759;
The 41st point, X=12.149, Y=-8.185; The 42nd point, X=12.446, Y=-8.792;
The 43rd point, X=12.647, Y=-9.233; The 44th point, X=12.858, Y=-9.778;
The 45th point, X=13.070, Y=-10.324; The 46th point, X=13.185, Y=-10.665;
The 47th point, X=13.300, Y=-11.006; The 48th point, X=13.433, Y=-11.452;
The 49th point, X=13.605, Y=-12.054; The 50th point, X=13.682, Y=-12.359;
The 51st point, X=13.817, Y=-12.940; The 52nd point, X=13.912, Y=-13.419;
The 53rd point, X=13.996, Y=-13.838; The 54th point, X=14.052, Y=-14.178;
The 55th point, X=14.107, Y=-14.518; The 56th point, X=14.177, Y=-15.072;
The 57th point, X=14.218, Y=-15.434; The 58th point, X=14.258, Y=-15.797;
The 59th point, X=14.299, Y=-16.337; The 60th point, X=14.322, Y=-16.709;
The 61st point, X=14.345, Y=-17.081; The 62nd point, X=14.357, Y=-17.606;
The 63rd point, X=14.361, Y=-17.970; The 64th point, X=14.361, Y=-18.333;
The 65th point, X=14.361, Y=-18.658;
The pendulum point protection circular arc EF of respective teeth work on the above-mentioned ef of the arc envelope line on the pressure side corresponding matching male rotor;
On the male rotor in the molded lines of a tooth:
Tooth root circular arc AB: the coordinate in the center of circle, X=0.000, Y=-62.920; The coordinate of starting point, X=-30.390, Y=-35.557; The coordinate of terminal point, X=-31.261, Y=-36.557; Radius=40.894, central angle=1.859 °;
Transition arc CD: the coordinate in the center of circle, X=0.800, Y=-24.664; The coordinate of starting point, X=-4.792Y=-0.528; The coordinate of terminal point, X=-18.766, Y=-9.465; Radius=24.775, central angle=39.115 °;
Tooth top circular arc DE: the coordinate in the center of circle, X=0.000, Y=-22.016; The coordinate of starting point, X=0.000, Y=0.000; The coordinate of terminal point: X=-4.792, Y=-0.528; Radius: R=22.016, central angle=12.572 °;
Pendulum point protection circular arc EF: the coordinate in the center of circle, X=0.000, Y=-3.912; The coordinate of starting point, X=2.510, Y=-0.912; The coordinate of terminal point, X=0.000, Y=0.000; Radius=3.912, central angle=39.912 °;
The coordinate of non-pressure side arc envelope line BC is:
The 1st point, X=-30.390, Y=-35.557; The 2nd point, X=-29.940, Y=-35.050;
The 3rd point, X=-29.703, Y=-34.777, the 4th point, X=-29.496, Y=-34.523;
The 5th point, X=-29.205, Y=-34.160; The 6th point, X=-28.744, Y=-33.527;
The 7th point, X=-28.552, Y=-33.240; The 8th point, X=-28.172, Y=-32.580;
The 9th point, X=-27.865, Y=-32.003; The 10th point, X=-27.401, Y=-31.029;
The 11st point, X=-27.102, Y=-30.326; The 12nd point, X=-26.792, Y=-29.488;
The 13rd point, X=-26.639, Y=-29.036; The 14th point, X=-26.447, Y=-28.419;
The 15th point, X=-26.290, Y=-27.900; The 16th point, X=-26.204, Y=-27.596;
The 17th point, X=-26.132, Y=-27.343; The 18th point, X=-26.061, Y=-27.090;
The 19th point, X=-25.983, Y=-26.806; The 20th point, X=-25.893, Y=-26.469;
The 21st point, X=-25.804, Y=-26.133; The 22nd point, X=-25.719, Y=-25.802;
The 23rd point, X=-25.607, Y=-25.363; The 24th point, X=-25.453, Y=-24.776;
The 25th point, X=-25.332, Y=-24.302; The 26th point, X=-25.147, Y=-23.619;
The 27th point, X=-24.981, Y=-22.989; The 28th point, X=-24.723, Y=-22.098;
The 29th point, X=-24.517, Y=-21.424; The 30th point, X=-24.412, Y=-21.094;
The 31st point, X=-24.279, Y=-20.666; The 32nd point, X=-24.213, Y=-20.453;
The 33rd point, X=-24.055, Y=-19.959; The 34th point, X=-23.974, Y=-19.731;
The 35th point, X=-23.808, Y=-19.266; The 36th point, X=-23.675, Y=-18.904;
The 37th point, X=-23.543, Y=-18.542; The 38th point, X=-23.441, Y=-18.276;
The 39th point, X=-23.235, Y=-17.743; The 40th point, X=-23.088, Y=-17.371;
The 41st point, X=-22.992, Y=-17.133; The 42nd point, X=-22.868, Y=-16.846;
The 43rd point, X=-22.717, Y=-16.494; The 44th point, X=-22.566, Y=-16.142;
The 45th point, X=-22.412, Y=-15.814; The 46th point, X=-22.118, Y=-15.199;
The 47th point, X=-21.825, Y=-14.584; The 48th point, X=-21.569, Y=-14.067;
The 49th point, X=-21.366, Y=-13.680; The 50th point, X=-21.163, Y=-13.294;
The 51st point, X=-20.933, Y=-12.880; The 52nd point, X=-20.799, Y=-12.640;
The 53rd point, X=-20.634, Y=-12.354; The 54th point, X=-20.468, Y=-12.068;
The 55th point, X=-20.333, Y=-11.834; The 56th point, X=-20.013, Y=-11.292;
The 57th point, X=-19.783, Y=-10.925; The 58th point, X=-19.553, Y=-10.557;
The 59th point, X=-19.251, Y=-10.107; The 60th point, X=-19.056, Y=-9.842;
The 61st point, X=-18.831, Y=-9.549; The 62nd point, X=-18.766, Y=-9.465;
The coordinate of arc envelope line FG on the pressure side:
The 1st point, X=2.510, Y=-0.912; The 2nd point, X=2.725, Y=-1.089;
The 3rd point, X=3.210, Y=-1.511; The 4th point, X=3.693, Y=-1.934;
The 5th point, X=4.151, Y=-2.358; The 6th point, X=4.609, Y=-2.781;
The 7th point, X=5.040, Y=-3.202; The 8th point, X=5.470, Y=-3.623;
The 9th point, X=5.886, Y=-4.057; The 10th point, X=6.302, Y=-4.490;
The 11st point, X=6.698, Y=-4.924; The 12nd point, X=7.094, Y=-5.359;
The 13rd point, X=7.480, Y=-5.808; The 14th point, X=7.865, Y=-6.257;
The 15th point, X=8.559, Y=-7.115; The 16th point, X=8.793, Y=-7.424;
The 17th point, X=9.313, Y=-8.124; The 18th point, X=9.756, Y=-8.741;
The 19th point, X=10.331, Y=-9.595; The 20th point, X=10.848, Y=-10.410;
The 21st point, X=11.334, Y=-11.228; The 22nd point, X=11.557, Y=-11.628;
The 23rd point, X=11.780, Y=-12.029; The 24th point, X=12.161, Y=-12.762;
The 25th point, X=12.528, Y=-13.518; The 26th point, X=12.702, Y=-13.902;
The 27th point, X=12.876, Y=-14.288; The 28th point, X=13.025, Y=-14.645;
The 29th point, X=13.174, Y=-15.003; The 30th point, X=13.318, Y=-15.377;
The 31st point, X=13.462, Y=-15.750; The 32nd point, X=13.584, Y=-16.097;
The 33rd point, X=13.706, Y=-16.445; The 34th point, X=13.907, Y=-17.069;
The 35th point, X=14.000, Y=-17.387; The 36th point, X=14.092, Y=-17.705;
The 37th point, X=14.253, Y=-18.317; The 38th point, X=14.385, Y=-18.866;
The 39th point, X=14.490, Y=-19.395; The 40th point, X=14.588, Y=-19.937;
The 41st point, X=14.661, Y=-20.422; The 42nd point, X=14.722, Y=-20.896;
The 43rd point, X=14.762, Y=-21.301; The 44th point, X=14.795, Y=-21.701;
The 45th point, X=14.819, Y=-22.124; The 46th point, X=14.828, Y=-22.445;
The 47th point, X=14.830, Y=-22.983; The 48th point, X=14.826, Y=-23.237;
The 49th point, X=14.819, Y=-23.458; The 50th point, X=14.807, Y=-23.826;
The 51st point, X=14.805, Y=-24.023; The 52nd point, X=14.814, Y=-24.174;
The 53rd point, X=14.823, Y=-24.278; The 54th point, X=14.846, Y=-24.387;
The 55th point, X=14.896, Y=-24.534; The 56th point, X=14.942, Y=-24.622;
The 57th point, X=15.006, Y=-24.716; The 58th point, X=15.046, Y=-24.768;
The 59th point, X=15.093, Y=-24.822; The 60th point, X=15.150, Y=-24.879;
The 61st point, X=15.239, Y=-24.948; The 62nd point, X=15.316, Y=-24.995;
The 63rd point, X=15.412, Y=-25.042.
It is 5 that the male rotor number of teeth is adopted in the combination of the rotor of the utility model 20-60 horsepower double-screw air compressor, and the female rotor number of teeth is that 6 number of teeth combination can make the pressure reduction between element volume reduce, and the suction and discharge orifice area increases and helps improving compressor efficiency.The molded lines structure that adopts the coordinate figure of above-mentioned yin, yang rotor to form, the sealability between the yin, yang rotor tooth, between the volume stops pressurized gas to leak to low voltage terminal by the sealing strip of three broads; And selected less leakage triangle for use; All the tooth curve is formed by circular arc and arc envelope line, and each tooth curve has been stopped isolated point, straight line; Improve the rotor processibility, be convenient to adopt gear hobbing, mill, grind processing processing.The rotor combination of the utility model 20-60 horsepower double-screw air compressor; Adopt above-mentioned molded lines to form; Not a linear sealing in the above-mentioned molded lines engagement process but realize the flank of tooth multi-sealed to the flank of tooth in several zones fully; Help and form the hydrodynamic lubrication oil film, reduce transverse leakage through Line of contact.Above-mentioned molded lines adopts less circular arc excessive, and leakage triangle is little, leaks few.Adopt the tooth top circular arc both to protect potted line to form point, be convenient to measure the male rotor external diameter again.Adopt the male rotor tooth top three-arc to connect, female rotor do not adopt circular arc take all of arc way and to the tooth top three-arc entirely with the arc envelope line engagement, the pump-absorb action of having avoided tooth curve moment engagement moment to throw off is of value to and forms oil film and reduce noise.It is streamlined that the moon, all tie points of male rotor molded lines all are that rounding off is, and resistance of air is little, reduced the fluid dynamic loss and reduced noise.All cycloids form point all has the circular arc protection, therefore has better comprehensive performance.
Description of drawings
Fig. 1 is a rotor set unification embodiment's of the utility model 20-60 horsepower double-screw air compressor an end-face structure schematic representation.
Fig. 2 is the local enlarged diagram of T portion among Fig. 1.
Embodiment
A rotor set unification embodiment's of the utility model 20-60 horsepower double-screw air compressor end-face structure, as shown in Figure 1, this rotor set is combined into a pair of intermeshing female rotor 1 and male rotor 2, and the end-face structure of this rotor combination is as shown in Figure 1.Female rotor 1 is established 6 left-handed teeth, and male rotor 2 is established the tooth of 5 dextrorotation.On the female rotor 1 on the helix angle numerical value of each tooth and the male rotor 2 the helix angle numerical value of each tooth be 46.6 °; On the female rotor 1 on the length of toothed region and the male rotor 2 length of toothed region be 206 millimeters; The tooth depth of male rotor 2 is 22.48 millimeters, and the tooth depth of female rotor 1 is 22.48 millimeters.The external diameter of female rotor 1 is 100.098 millimeters, and the external diameter of male rotor 2 is 128.364 millimeters.
Above-mentioned female rotor 1, male rotor 2 the molded lines structure, as shown in Figure 2: on the female rotor 1 each tooth be provided with tooth top circular arc ab, connect circular arc bc, arc envelope line cd, arc envelope line de, arc envelope line ef, pendulum point protection circular arc fg.On the male rotor 2 each tooth be provided with respectively with above-mentioned female rotor 1 on the corresponding circular arc of each circular arc of each tooth, tooth root circular arc AB, arc envelope line BC, transition arc CD, tooth top circular arc DE, pendulum point protection circular arc EF, arc envelope line FG.Above-mentioned each circular arc is level and smooth even transition circular arc, is streamlined;
On the female rotor 1 in the molded lines of a tooth:
Tooth top circular arc ab: the coordinate in the center of circle, X=0.000, Y=27.045; The coordinate of starting point, X=-32.545, Y=-9.670; The coordinate of terminal point, X=-30.963, Y=-11.014; Radius=49.063; Central angle=2.424 °;
Connect circular arc bc: the coordinate in the center of circle, X=-25.693, Y=-4.092; The coordinate of starting point, X=-30.963, Y=-11.014; The coordinate of terminal point, X=-18.733, Y=-9.312; Radius=8.700, central angle=90.418 °;
Pendulum point protection circular arc fg: the coordinate in the center of circle: X=15.244, Y=-18.659; The coordinate of starting point, X=14.361, Y=-18.658; The coordinate of terminal point, X=15.524, Y=-19.497: radius=0.884; Central angle=108.508 °;
The coordinate of non-pressure side arc envelope line cd, de:
The 1st point, X=-18.733, Y=-9.312; The 2nd point, X=-18.539, Y=-9.057;
The 3rd point, X=-18.371, Y=-8.843; The 4th point, X=-18.187, Y=-8.621;
The 5th point, X=-18.003, Y=-8.399; The 6th point, X=-17.900, Y=-8.283;
The 7th point, X=-17.747, Y=-8.111; The 8th point, X=-17.581, Y=-7.928;
The 9th point, X=-17.439, Y=-7.783; The 10th point, X=-17.297, Y=-7.639;
The 11st point, X=-17.183, Y=-7.521; The 12nd point, X=-17.021, Y=-7.357;
The 13rd point, X=-16.904, Y=-7.242; The 14th point, X=-16.746; Y=-7.087;
The 15th point, X=-16.527, Y=-6.877; The 16th point, X=-16.410, Y=-6.767;
The 17th point, X=-16.267, Y=-6.633; The 18th point, X=-16.158, Y=-6.531;
The 19th point, X=-16.074, Y=-6.454; The 20th point, X=-15.989, Y=-6.377;
The 21st point, X=-15.877, Y=-6.279; The 22nd point, X=-15.662, Y=-6.090;
The 23rd point, X=-15.571, Y=-6.011; The 24th point, X=-15.478, Y=-5.931;
The 25th point, X=-15.372, Y=-5.841; The 26th point, X=-15.224, Y=-5.717;
The 27th point, X=-15.066, Y=-5.589; The 28th point, X=-14.910, Y=-5.462;
The 29th point, X=-14.767, Y=-5.347; The 30th point, X=-14.575, Y=-5.196;
The 31st point, X=-14.413, Y=-5.071; The 32nd point, X=-14.207, Y=-4.914;
The 33rd point, X=-13.933, Y=-4.710; The 34th point, X=-13.592, Y=-4.466;
The 35th point, X=-13.412, Y=-4.342; The 36th point, X=-13.231, Y=-4.218;
The 37th point, X=-12.936, Y=-4.023; The 38th point, X=-12.641, Y=-3.828;
The 39th point, X=-12.449, Y=-3.708; The 40th point, X=-12.259, Y=-3.588;
The 41st point, X=-11.910, Y=-3.382; The 42nd point, X=-11.562, Y=-3.176;
The 43rd point, X=-11.276, Y=-3.018; The 44th point, X=-11.042, Y=-2.896;
The 45th point, X=-10.669, Y=-2.697; The 46th point, X=-10.348, Y=-2.531;
The 47th point, X=-10.171, Y=-2.445; The 48th point, X=-9.993, Y=-2.358;
The 49th point, X=-9.646, Y=-2.200; The 50th point, X=-9.300, Y=-2.041;
The 51st point, X=-9.163, Y=-1.979; The 52nd point, X=-9.028, Y=-1.921;
The 53rd point, X=-8.894, Y=-1.864; The 54th point, X=-8.726, Y=-1.794;
The 55th point, X=-8.558, Y=-1.724; The 56th point, X=-8.425, Y=-1.670;
The 57th point, X=-8.292, Y=-1.617; The 58th point, X=-8.056, Y=-1.525;
The 59th point, X=-7.669, Y=-1.381; The 60th point, X=-7.542, Y=-1.336;
The 61st point, X=-7.295, Y=-1.249; The 62nd point, X=-7.052, Y=-1.166;
The 63rd point, X=-6.900, Y=-1.116; The 64th point, X=-6.780, Y=-1.077;
The 65th point, X=-6.616, Y=-1.025; The 66th point, X=-6.293, Y=-0.924;
The 67th point, X=-6.006, Y=-0.843; The 68th point, X=-5.749, Y=-0.770;
The 69th point, X=-5.620, Y=-0.735; The 70th point, X=-5.419, Y=-0.682;
The 71st point, X=-5.210, Y=-0.629; The 72nd point, X=-5.032, Y=-0.585;
The 73rd point, X=-4.801, Y=-0.530; The 74th point, X=-4.604, Y=-0.487;
The 75th point, X=-4.513, Y=-0.468; The 76th point, X=-4.332, Y=-0.429;
The 77th point, X=-4.153, Y=-0.394; The 78th point, X=-3.869, Y=-0.340;
The 79th point, X=-3.670, Y=-0.308; The 80th point, X=-3.370, Y=-0.259;
The 81st point, X=-3.014, Y=-0.205; The 82nd point, X=-2.776, Y=-0.174;
The 83rd point, X=-2.598, Y=-0.151; The 84th point, X=-2.395, Y=-0.127;
The 85th point, X=-2.252, Y=-0.112; The 86th point, X=-2.088, Y=-0.097;
The 87th point, X=-1.886, Y=-0.077; The 88th point, X=-1.609, Y=-0.055;
The 89th point, X=-1.431, Y=-0.044; The 90th point, X=-1.227, Y=-0.031;
The 91st point, X=-1.005, Y=-0.022; The 92nd point, X=-0.781, Y=-0.012;
The 93rd point, X=-0.641, Y=-0.008; The 94th point, X=-0.501, Y=-0.004;
The 95th point, X=-0.355, Y=-0.001; The 96th point, X=-0.209, Y=0.001;
The transition arc CD of corresponding teeth on the corresponding male rotor 2 of arc envelope line cd wherein, the tooth top circular arc DE circular arc of corresponding teeth on the corresponding male rotor 2 of arc envelope line de;
On the pressure side the coordinate of arc envelope line ef is:
The 1st point, X=0.000, Y=0.000; The 2nd point, X=0.198, Y=-0.003;
The 3rd point, X=0.335, Y=-0.006; The 4th point, X=0.520, Y=-0.012;
The 5th point, X=0.854, Y=-0.033; The 6th point, X=1.052, Y=-0.045;
The 7th point, X=1.147, Y=-0.054; The 8th point, X=1.575, Y=-0.103;
The 9th point, X=1.942, Y=-0.153; The 10th point, X=2.320, Y=-0.222;
The 11st point, X=2.613, Y=-0.286; The 12nd point, X=2.844, Y=-0.341;
The 13rd point, X=3.075, Y=-0.395; The 14th point, X=3.355, Y=-0.472;
The 15th point, X=3.617, Y=-0.549; The 16th point, X=4.030, Y=-0.690;
The 17th point, X=4.299, Y=-0.783; The 18th point, X=4.663, Y=-0.931;
The 19th point, X=5.027, Y=-1.078; The 20th point, X=5.499, Y=-1.311;
The 21st point, X=6.048, Y=-1.591; The 22nd point, X=6.327, Y=-1.758;
The 23rd point, X=6.770, Y=-2.029; The 24th point, X=7.293, Y=-2.390;
The 25th point, X=7.485, Y=-2.527; The 26th point, X=7.676, Y=-2.664;
The 27th point, X=8.171, Y=-3.066; The 28th point, X=8.479, Y=-3.334;
The 29th point, X=8.694, Y=-3.532; The 30th point, X=8.908, Y=-3.729;
The 31st point, X=9.305, Y=-4.119; The 32nd point, X=9.671, Y=-4.515;
The 33rd point, X=10.068, Y=-4.974; The 34th point, X=10.224, Y=-5.166;
The 35th point, X=10.546, Y=-5.587; The 36th point, X=10.710, Y=-5.802;
The 37th point, X=11.020, Y=-6.256; The 38th point, X=11.298, Y=-6.673;
The 39th point, X=11.628, Y=-7.212; The 40th point, X=11.931, Y=-7.759;
The 41st point, X=12.149, Y=-8.185; The 42nd point, X=12.446, Y=-8.792;
The 43rd point, X=12.647, Y=-9.233; The 44th point, X=12.858, Y=-9.778;
The 45th point, X=13.070, Y=-10.324; The 46th point, X=13.185, Y=-10.665;
The 47th point, X=13.300, Y=-11.006; The 48th point, X=13.433, Y=-11.452;
The 49th point, X=13.605, Y=-12.054; The 50th point, X=13.682, Y=-12.359;
The 51st point, X=13.817, Y=-12.940; The 52nd point, X=13.912, Y=-13.419;
The 53rd point, X=13.996, Y=-13.838; The 54th point, X=14.052, Y=-14.178;
The 55th point, X=14.107, Y=-14.518; The 56th point, X=14.177, Y=-15.072;
The 57th point, X=14.218, Y=-15.434; The 58th point, X=14.258, Y=-15.797;
The 59th point, X=14.299, Y=-16.337; The 60th point, X=14.322, Y=-16.709;
The 61st point, X=14.345, Y=-17.081; The 62nd point, X=14.357, Y=-17.606;
The 63rd point, X=14.361, Y=-17.970; The 64th point, X=14.361, Y=-18.333;
The 65th point, X=14.361, Y=-18.658;
The pendulum point protection circular arc EF of respective teeth work on the above-mentioned ef of the arc envelope line on the pressure side corresponding matching male rotor 2, on the male rotor 2 in the molded lines of a tooth:
Tooth root circular arc AB: the coordinate in the center of circle, X=0.000, Y=-62.920; The coordinate of starting point, X=-30.390, Y=-35.557; The coordinate of terminal point, X=-31.261, Y=-36.557; Radius=40.894, central angle=1.859 °;
Transition arc CD: the coordinate in the center of circle, X=0.800, Y=-24.664; The coordinate of starting point, X=-4.792Y=-0.528; The coordinate of terminal point, X=-18.766, Y=-9.465; Radius=24.775, central angle=39.115 °;
Tooth top circular arc DE: the coordinate in the center of circle, X=0.000, Y=-22.016; The coordinate of starting point, X=0.000, Y=0.000; The coordinate of terminal point: X=-4.792, Y=-0.528; Radius: R=22.016, central angle=12.572 °;
Pendulum point protection circular arc EF: the coordinate in the center of circle, X=0.000, Y=-3.912; The coordinate of starting point, X=2.510, Y=-0.912; The coordinate of terminal point, X=0.000, Y=0.000; Radius=3.912, central angle=39.912 °;
The coordinate of non-pressure side arc envelope line BC is:
The 1st point, X=-30.390, Y=-35.557; The 2nd point, X=-29.940, Y=-35.050;
The 3rd point, X=-29.703, Y=-34.777, the 4th point, X=-29.496, Y=-34.523;
The 5th point, X=-29.205, Y=-34.160; The 6th point, X=-28.744, Y=-33.527;
The 7th point, X=-28.552, Y=-33.240; The 8th point, X=-28.172, Y=-32.580;
The 9th point, X=-27.865, Y=-32.003; The 10th point, X=-27.401, Y=-31.029;
The 11st point, X=-27.102, Y=-30.326; The 12nd point, X=-26.792, Y=-29.488;
The 13rd point, X=-26.639, Y=-29.036; The 14th point, X=-26.447, Y=-28.419;
The 15th point, X=-26.290, Y=-27.900; The 16th point, X=-26.204, Y=-27.596;
The 17th point, X=-26.132, Y=-27.343; The 18th point, X=-26.061, Y=-27.090;
The 19th point, X=-25.983, Y=-26.806; The 20th point, X=-25.893, Y=-26.469;
The 21st point, X=-25.804, Y=-26.133; The 22nd point, X=-25.719, Y=-25.802;
The 23rd point, X=-25.607, Y=-25.363; The 24th point, X=-25.453, Y=-24.776;
The 25th point, X=-25.332, Y=-24.302; The 26th point, X=-25.147, Y=-23.619;
The 27th point, X=-24.981, Y=-22.989; The 28th point, X=-24.723, Y=-22.098;
The 29th point, X=-24.517, Y=-21.424; The 30th point, X=-24.412, Y=-21.094;
The 31st point, X=-24.279, Y=-20.666; The 32nd point, X=-24.213, Y=-20.453;
The 33rd point, X=-24.055, Y=-19.959; The 34th point, X=-23.974, Y=-19.731;
The 35th point, X=-23.808, Y=-19.266; The 36th point, X=-23.675, Y=-18.904;
The 37th point, X=-23.543, Y=-18.542; The 38th point, X=-23.441, Y=-18.276;
The 39th point, X=-23.235, Y=-17.743; The 40th point, X=-23.088, Y=-17.371;
The 41st point, X=-22.992, Y=-17.133; The 42nd point, X=-22.868, Y=-16.846;
The 43rd point, X=-22.717, Y=-16.494; The 44th point, X=-22.566, Y=-16.142;
The 45th point, X=-22.412, Y=-15.814; The 46th point, X=-22.118, Y=-15.199;
The 47th point, X=-21.825, Y=-14.584; The 48th point, X=-21.569, Y=-14.067;
The 49th point, X=-21.366, Y=-13.680; The 50th point, X=-21.163, Y=-13.294;
The 51st point, X=-20.933, Y=-12.880; The 52nd point, X=-20.799, Y=-12.640;
The 53rd point, X=-20.634, Y=-12.354; The 54th point, X=-20.468, Y=-12.068;
The 55th point, X=-20.333, Y=-11.834; The 56th point, X=-20.013, Y=-11.292;
The 57th point, X=-19.783, Y=-10.925; The 58th point, X=-19.553, Y=-10.557;
The 59th point, X=-19.251, Y=-10.107; The 60th point, X=-19.056, Y=-9.842;
The 61st point, X=-18.831, Y=-9.549; The 62nd point, X=-18.766, Y=-9.465;
The coordinate of arc envelope line FG on the pressure side:
The 1st point, X=2.510, Y=-0.912; The 2nd point, X=2.725, Y=-1.089;
The 3rd point, X=3.210, Y=-1.511; The 4th point, X=3.693, Y=-1.934;
The 5th point, X=4.151, Y=-2.358; The 6th point, X=4.609, Y=-2.781;
The 7th point, X=5.040, Y=-3.202; The 8th point, X=5.470, Y=-3.623;
The 9th point, X=5.886, Y=-4.057; The 10th point, X=6.302, Y=-4.490;
The 11st point, X=6.698, Y=-4.924; The 12nd point, X=7.094, Y=-5.359;
The 13rd point, X=7.480, Y=-5.808; The 14th point, X=7.865, Y=-6.257;
The 15th point, X=8.559, Y=-7.115; The 16th point, X=8.793, Y=-7.424;
The 17th point, X=9.313, Y=-8.124; The 18th point, X=9.756, Y=-8.741;
The 19th point, X=10.331, Y=-9.595; The 20th point, X=10.848, Y=-10.410;
The 21st point, X=11.334, Y=-11.228; The 22nd point, X=11.557, Y=-11.628;
The 23rd point, X=11.780, Y=-12.029; The 24th point, X=12.161, Y=-12.762;
The 25th point, X=12.528, Y=-13.518; The 26th point, X=12.702, Y=-13.902;
The 27th point, X=12.876, Y=-14.288; The 28th point, X=13.025, Y=-14.645;
The 29th point, X=13.174, Y=-15.003; The 30th point, X=13.318, Y=-15.377;
The 31st point, X=13.462, Y=-15.750; The 32nd point, X=13.584, Y=-16.097;
The 33rd point, X=13.706, Y=-16.445; The 34th point, X=13.907, Y=-17.069;
The 35th point, X=14.000, Y=-17.387; The 36th point, X=14.092, Y=-17.705;
The 37th point, X=14.253, Y=-18.317; The 38th point, X=14.385, Y=-18.866;
The 39th point, X=14.490, Y=-19.395; The 40th point, X=14.588, Y=-19.937;
The 41st point, X=14.661, Y=-20.422; The 42nd point, X=14.722, Y=-20.896;
The 43rd point, X=14.762, Y=-21.301; The 44th point, X=14.795, Y=-21.701;
The 45th point, X=14.819, Y=-22.124; The 46th point, X=14.828, Y=-22.445;
The 47th point, X=14.830, Y=-22.983; The 48th point, X=14.826, Y=-23.237;
The 49th point, X=14.819, Y=-23.458; The 50th point, X=14.807, Y=-23.826;
The 51st point, X=14.805, Y=-24.023; The 52nd point, X=14.814, Y=-24.174;
The 53rd point, X=14.823, Y=-24.278; The 54th point, X=14.846, Y=-24.387;
The 55th point, X=14.896, Y=-24.534; The 56th point, X=14.942, Y=-24.622;
The 57th point, X=15.006, Y=-24.716; The 58th point, X=15.046, Y=-24.768;
The 59th point, X=15.093, Y=-24.822; The 60th point, X=15.150, Y=-24.879;
The 61st point, X=15.239, Y=-24.948; The 62nd point, X=15.316, Y=-24.995;
The 63rd point, X=15.412, Y=-25.042.
Sealability between female rotor 1 and male rotor 2 between cog, the volume; Sealing strip by three broads stops pressurized gas to leak to low voltage terminal; And selected less leakage triangle for use, and all the tooth curve is formed by circular arc and arc envelope line, and each tooth curve has been stopped isolated point and straight line.Not a linear sealing in the above-mentioned molded lines engagement process but realize the flank of tooth multi-sealed to the flank of tooth in several zones fully that adopt less circular arc excessive, leakage triangle is little, leaks few.Male rotor 2 tooth top three-arcs connect, and female rotor 1 tooth top three-arc meshes with arc envelope line entirely.It is streamlined that all tie points of molded lines of female rotor 1 and male rotor 2 all are that rounding off is, and all cycloids form point all has the circular arc protection.
The above is merely the utility model preferred embodiment, does not limit the scope that the utility model is implemented with this, and the equivalence of doing according to the technological scheme and the description of the utility model changes and modification, all should belong to the scope that the utility model is contained.
Claims (1)
1. the rotor of 20-60 horsepower double-screw air compressor combination has a pair of intermeshing female rotor and male rotor, and it is characterized in that: female rotor is established 6 left-handed teeth, and male rotor is established the tooth of 5 dextrorotation;
Each tooth is provided with tooth top circular arc ab, connection circular arc bc, arc envelope line cd, arc envelope line de, arc envelope line ef, pendulum point protection circular arc fg on the said female rotor; On the said male rotor each tooth be provided with respectively with above-mentioned female rotor on the corresponding circular arc of each circular arc of each tooth: tooth root circular arc AB, arc envelope line BC, transition arc CD, tooth top circular arc DE, pendulum point protection circular arc EF, arc envelope line FG; Above-mentioned each circular arc is level and smooth even transition circular arc, is streamlined;
On the female rotor in the molded lines of a tooth:
Tooth top circular arc ab: the coordinate in the center of circle, X=0.000, Y=27.045; The coordinate of starting point, X=-32.545, Y=-9.670; The coordinate of terminal point, X=-30.963, Y=-11.014; Radius=49.063; Central angle=2.424 °;
Connect circular arc bc: the coordinate in the center of circle, X=-25.693, Y=-4.092; The coordinate of starting point, X=-30.963, Y=-11.014; The coordinate of terminal point, X=-18.733, Y=-9.312; Radius=8.700, central angle=90.418 °;
Pendulum point protection circular arc fg: the coordinate in the center of circle: X=15.244, Y=-18.659; The coordinate of starting point, X=14.361, Y=-18.658; The coordinate of terminal point, X=15.524, Y=-19.497: radius=0.884; Central angle=108.508 °;
The coordinate of non-pressure side arc envelope line cd, de:
The 1st point, X=-18.733, Y=-9.312; The 2nd point, X=-18.539, Y=-9.057;
The 3rd point, X=-18.371, Y=-8.843; The 4th point, X=-18.187, Y=-8.621;
The 5th point, X=-18.003, Y=-8.399; The 6th point, X=-17.900, Y=-8.283;
The 7th point, X=-17.747, Y=-8.111; The 8th point, X=-17.581, Y=-7.928;
The 9th point, X=-17.439, Y=-7.783; The 10th point, X=-17.297, Y=-7.639;
The 11st point, X=-17.183, Y=-7.521; The 12nd point, X=-17.021, Y=-7.357;
The 13rd point, X=-16.904, Y=-7.242; The 14th point, X=-16.746; Y=-7.087;
The 15th point, X=-16.527, Y=-6.877; The 16th point, X=-16.410, Y=-6.767;
The 17th point, X=-16.267, Y=-6.633; The 18th point, X=-16.158, Y=-6.531;
The 19th point, X=-16.074, Y=-6.454; The 20th point, X=-15.989, Y=-6.377;
The 21st point, X=-15.877, Y=-6.279; The 22nd point, X=-15.662, Y=-6.090;
The 23rd point, X=-15.571, Y=-6.011; The 24th point, X=-15.478, Y=-5.931;
The 25th point, X=-15.372, Y=-5.841; The 26th point, X=-15.224, Y=-5.717;
The 27th point, X=-15.066, Y=-5.589; The 28th point, X=-14.910, Y=-5.462;
The 29th point, X=-14.767, Y=-5.347; The 30th point, X=-14.575, Y=-5.196;
The 31st point, X=-14.413, Y=-5.071; The 32nd point, X=-14.207, Y=-4.914;
The 33rd point, X=-13.933, Y=-4.710; The 34th point, X=-13.592, Y=-4.466;
The 35th point, X=-13.412, Y=-4.342; The 36th point, X=-13.231, Y=-4.218;
The 37th point, X=-12.936, Y=-4.023; The 38th point, X=-12.641, Y=-3.828;
The 39th point, X=-12.449, Y=-3.708; The 40th point, X=-12.259, Y=-3.588;
The 41st point, X=-11.910, Y=-3.382; The 42nd point, X=-11.562, Y=-3.176;
The 43rd point, X=-11.276, Y=-3.018; The 44th point, X=-11.042, Y=-2.896;
The 45th point, X=-10.669, Y=-2.697; The 46th point, X=-10.348, Y=-2.531;
The 47th point, X=-10.171, Y=-2.445; The 48th point, X=-9.993, Y=-2.358;
The 49th point, X=-9.646, Y=-2.200; The 50th point, X=-9.300, Y=-2.041;
The 51st point, X=-9.163, Y=-1.979; The 52nd point, X=-9.028, Y=-1.921;
The 53rd point, X=-8.894, Y=-1.864; The 54th point, X=-8.726, Y=-1.794;
The 55th point, X=-8.558, Y=-1.724; The 56th point, X=-8.425, Y=-1.670;
The 57th point, X=-8.292, Y=-1.617; The 58th point, X=-8.056, Y=-1.525;
The 59th point, X=-7.669, Y=-1.381; The 60th point, X=-7.542, Y=-1.336;
The 61st point, X=-7.295, Y=-1.249; The 62nd point, X=-7.052, Y=-1.166;
The 63rd point, X=-6.900, Y=-1.116; The 64th point, X=-6.780, Y=-1.077;
The 65th point, X=-6.616, Y=-1.025; The 66th point, X=-6.293, Y=-0.924;
The 67th point, X=-6.006, Y=-0.843; The 68th point, X=-5.749, Y=-0.770;
The 69th point, X=-5.620, Y=-0.735; The 70th point, X=-5.419, Y=-0.682;
The 71st point, X=-5.210, Y=-0.629; The 72nd point, X=-5.032, Y=-0.585;
The 73rd point, X=-4.801, Y=-0.530; The 74th point, X=-4.604, Y=-0.487;
The 75th point, X=-4.513, Y=-0.468; The 76th point, X=-4.332, Y=-0.429;
The 77th point, X=-4.153, Y=-0.394; The 78th point, X=-3.869, Y=-0.340;
The 79th point, X=-3.670, Y=-0.308; The 80th point, X=-3.370, Y=-0.259;
The 81st point, X=-3.014, Y=-0.205; The 82nd point, X=-2.776, Y=-0.174;
The 83rd point, X=-2.598, Y=-0.151; The 84th point, X=-2.395, Y=-0.127;
The 85th point, X=-2.252, Y=-0.112; The 86th point, X=-2.088, Y=-0.097;
The 87th point, X=-1.886, Y=-0.077; The 88th point, X=-1.609, Y=-0.055;
The 89th point, X=-1.431, Y=-0.044; The 90th point, X=-1.227, Y=-0.031;
The 91st point, X=-1.005, Y=-0.022; The 92nd point, X=-0.781, Y=-0.012;
The 93rd point, X=-0.641, Y=-0.008; The 94th point, X=-0.501, Y=-0.004;
The 95th point, X=-0.355, Y=-0.001; The 96th point, X=-0.209, Y=0.001;
The transition arc CD of corresponding teeth on the corresponding male rotor of arc envelope line cd wherein, the tooth top circular arc DE circular arc of corresponding teeth on the corresponding male rotor of arc envelope line de;
On the pressure side the coordinate of arc envelope line ef is:
The 1st point, X=0.000, Y=0.000; The 2nd point, X=0.198, Y=-0.003;
The 3rd point, X=0.335, Y=-0.006; The 4th point, X=0.520, Y=-0.012;
The 5th point, X=0.854, Y=-0.033; The 6th point, X=1.052, Y=-0.045;
The 7th point, X=1.147, Y=-0.054; The 8th point, X=1.575, Y=-0.103;
The 9th point, X=1.942, Y=-0.153; The 10th point, X=2.320, Y=-0.222;
The 11st point, X=2.613, Y=-0.286; The 12nd point, X=2.844, Y=-0.341;
The 13rd point, X=3.075, Y=-0.395; The 14th point, X=3.355, Y=-0.472;
The 15th point, X=3.617, Y=-0.549; The 16th point, X=4.030, Y=-0.690;
The 17th point, X=4.299, Y=-0.783; The 18th point, X=4.663, Y=-0.931;
The 19th point, X=5.027, Y=-1.078; The 20th point, X=5.499, Y=-1.311;
The 21st point, X=6.048, Y=-1.591; The 22nd point, X=6.327, Y=-1.758;
The 23rd point, X=6.770, Y=-2.029; The 24th point, X=7.293, Y=-2.390;
The 25th point, X=7.485, Y=-2.527; The 26th point, X=7.676, Y=-2.664;
The 27th point, X=8.171, Y=-3.066; The 28th point, X=8.479, Y=-3.334;
The 29th point, X=8.694, Y=-3.532; The 30th point, X=8.908, Y=-3.729;
The 31st point, X=9.305, Y=-4.119; The 32nd point, X=9.671, Y=-4.515;
The 33rd point, X=10.068, Y=-4.974; The 34th point, X=10.224, Y=-5.166;
The 35th point, X=10.546, Y=-5.587; The 36th point, X=10.710, Y=-5.802;
The 37th point, X=11.020, Y=-6.256; The 38th point, X=11.298, Y=-6.673;
The 39th point, X=11.628, Y=-7.212; The 40th point, X=11.931, Y=-7.759;
The 41st point, X=12.149, Y=-8.185; The 42nd point, X=12.446, Y=-8.792;
The 43rd point, X=12.647, Y=-9.233; The 44th point, X=12.858, Y=-9.778;
The 45th point, X=13.070, Y=-10.324; The 46th point, X=13.185, Y=-10.665;
The 47th point, X=13.300, Y=-11.006; The 48th point, X=13.433, Y=-11.452;
The 49th point, X=13.605, Y=-12.054; The 50th point, X=13.682, Y=-12.359;
The 51st point, X=13.817, Y=-12.940; The 52nd point, X=13.912, Y=-13.419;
The 53rd point, X=13.996, Y=-13.838; The 54th point, X=14.052, Y=-14.178;
The 55th point, X=14.107, Y=-14.518; The 56th point, X=14.177, Y=-15.072;
The 57th point, X=14.218, Y=-15.434; The 58th point, X=14.258, Y=-15.797;
The 59th point, X=14.299, Y=-16.337; The 60th point, X=14.322, Y=-16.709;
The 61st point, X=14.345, Y=-17.081; The 62nd point, X=14.357, Y=-17.606;
The 63rd point, X=14.361, Y=-17.970; The 64th point, X=14.361, Y=-18.333;
The 65th point, X=14.361, Y=-18.658;
The pendulum point protection circular arc EF of respective teeth work on the above-mentioned ef of the arc envelope line on the pressure side corresponding matching male rotor;
On the male rotor in the molded lines of a tooth:
Tooth root circular arc AB: the coordinate in the center of circle, X=0.000, Y=-62.920; The coordinate of starting point, X=-30.390, Y=-35.557; The coordinate of terminal point, X=-31.261, Y=-36.557; Radius=40.894, central angle=1.859 °;
Transition arc CD: the coordinate in the center of circle, X=0.800, Y=-24.664; The coordinate of starting point, X=-4.792Y=-0.528; The coordinate of terminal point, X=-18.766, Y=-9.465; Radius=24.775, central angle=39.115 °;
Tooth top circular arc DE: the coordinate in the center of circle, X=0.000, Y=-22.016; The coordinate of starting point, X=0.000, Y=0.000; The coordinate of terminal point: X=-4.792, Y=-0.528; Radius: R=22.016, central angle=12.572 °;
Pendulum point protection circular arc EF: the coordinate in the center of circle, X=0.000, Y=-3.912; The coordinate of starting point, X=2.510, Y=-0.912; The coordinate of terminal point, X=0.000, Y=0.000; Radius=3.912, central angle=39.912 °;
The coordinate of non-pressure side arc envelope line BC is:
The 1st point, X=-30.390, Y=-35.557; The 2nd point, X=-29.940, Y=-35.050;
The 3rd point, X=-29.703, Y=-34.777, the 4th point, X=-29.496, Y=-34.523;
The 5th point, X=-29.205, Y=-34.160; The 6th point, X=-28.744, Y=-33.527;
The 7th point, X=-28.552, Y=-33.240; The 8th point, X=-28.172, Y=-32.580;
The 9th point, X=-27.865, Y=-32.003; The 10th point, X=-27.401, Y=-31.029;
The 11st point, X=-27.102, Y=-30.326; The 12nd point, X=-26.792, Y=-29.488;
The 13rd point, X=-26.639, Y=-29.036; The 14th point, X=-26.447, Y=-28.419;
The 15th point, X=-26.290, Y=-27.900; The 16th point, X=-26.204, Y=-27.596;
The 17th point, X=-26.132, Y=-27.343; The 18th point, X=-26.061, Y=-27.090;
The 19th point, X=-25.983, Y=-26.806; The 20th point, X=-25.893, Y=-26.469;
The 21st point, X=-25.804, Y=-26.133; The 22nd point, X=-25.719, Y=-25.802;
The 23rd point, X=-25.607, Y=-25.363; The 24th point, X=-25.453, Y=-24.776;
The 25th point, X=-25.332, Y=-24.302; The 26th point, X=-25.147, Y=-23.619;
The 27th point, X=-24.981, Y=-22.989; The 28th point, X=-24.723, Y=-22.098;
The 29th point, X=-24.517, Y=-21.424; The 30th point, X=-24.412, Y=-21.094;
The 31st point, X=-24.279, Y=-20.666; The 32nd point, X=-24.213, Y=-20.453;
The 33rd point, X=-24.055, Y=-19.959; The 34th point, X=-23.974, Y=-19.731;
The 35th point, X=-23.808, Y=-19.266; The 36th point, X=-23.675, Y=-18.904;
The 37th point, X=-23.543, Y=-18.542; The 38th point, X=-23.441, Y=-18.276;
The 39th point, X=-23.235, Y=-17.743; The 40th point, X=-23.088, Y=-17.371;
The 41st point, X=-22.992, Y=-17.133; The 42nd point, X=-22.868, Y=-16.846;
The 43rd point, X=-22.717, Y=-16.494; The 44th point, X=-22.566, Y=-16.142;
The 45th point, X=-22.412, Y=-15.814; The 46th point, X=-22.118, Y=-15.199;
The 47th point, X=-21.825, Y=-14.584; The 48th point, X=-21.569, Y=-14.067;
The 49th point, X=-21.366, Y=-13.680; The 50th point, X=-21.163, Y=-13.294;
The 51st point, X=-20.933, Y=-12.880; The 52nd point, X=-20.799, Y=-12.640;
The 53rd point, X=-20.634, Y=-12.354; The 54th point, X=-20.468, Y=-12.068;
The 55th point, X=-20.333, Y=-11.834; The 56th point, X=-20.013, Y=-11.292;
The 57th point, X=-19.783, Y=-10.925; The 58th point, X=-19.553, Y=-10.557;
The 59th point, X=-19.251, Y=-10.107; The 60th point, X=-19.056, Y=-9.842;
The 61st point, X=-18.831, Y=-9.549; The 62nd point, X=-18.766, Y=-9.465;
The coordinate of arc envelope line FG on the pressure side:
The 1st point, X=2.510, Y=-0.912; The 2nd point, X=2.725, Y=-1.089;
The 3rd point, X=3.210, Y=-1.511; The 4th point, X=3.693, Y=-1.934;
The 5th point, X=4.151, Y=-2.358; The 6th point, X=4.609, Y=-2.781;
The 7th point, X=5.040, Y=-3.202; The 8th point, X=5.470, Y=-3.623;
The 9th point, X=5.886, Y=-4.057; The 10th point, X=6.302, Y=-4.490;
The 11st point, X=6.698, Y=-4.924; The 12nd point, X=7.094, Y=-5.359;
The 13rd point, X=7.480, Y=-5.808; The 14th point, X=7.865, Y=-6.257;
The 15th point, X=8.559, Y=-7.115; The 16th point, X=8.793, Y=-7.424;
The 17th point, X=9.313, Y=-8.124; The 18th point, X=9.756, Y=-8.741;
The 19th point, X=10.331, Y=-9.595; The 20th point, X=10.848, Y=-10.410;
The 21st point, X=11.334, Y=-11.228; The 22nd point, X=11.557, Y=-11.628;
The 23rd point, X=11.780, Y=-12.029; The 24th point, X=12.161, Y=-12.762;
The 25th point, X=12.528, Y=-13.518; The 26th point, X=12.702, Y=-13.902;
The 27th point, X=12.876, Y=-14.288; The 28th point, X=13.025, Y=-14.645;
The 29th point, X=13.174, Y=-15.003; The 30th point, X=13.318, Y=-15.377;
The 31st point, X=13.462, Y=-15.750; The 32nd point, X=13.584, Y=-16.097;
The 33rd point, X=13.706, Y=-16.445; The 34th point, X=13.907, Y=-17.069;
The 35th point, X=14.000, Y=-17.387; The 36th point, X=14.092, Y=-17.705;
The 37th point, X=14.253, Y=-18.317; The 38th point, X=14.385, Y=-18.866;
The 39th point, X=14.490, Y=-19.395; The 40th point, X=14.588, Y=-19.937;
The 41st point, X=14.661, Y=-20.422; The 42nd point, X=14.722, Y=-20.896;
The 43rd point, X=14.762, Y=-21.301; The 44th point, X=14.795, Y=-21.701;
The 45th point, X=14.819, Y=-22.124; The 46th point, X=14.828, Y=-22.445;
The 47th point, X=14.830, Y=-22.983; The 48th point, X=14.826, Y=-23.237;
The 49th point, X=14.819, Y=-23.458; The 50th point, X=14.807, Y=-23.826;
The 51st point, X=14.805, Y=-24.023; The 52nd point, X=14.814, Y=-24.174;
The 53rd point, X=14.823, Y=-24.278; The 54th point, X=14.846, Y=-24.387;
The 55th point, X=14.896, Y=-24.534; The 56th point, X=14.942, Y=-24.622;
The 57th point, X=15.006, Y=-24.716; The 58th point, X=15.046, Y=-24.768;
The 59th point, X=15.093, Y=-24.822; The 60th point, X=15.150, Y=-24.879;
The 61st point, X=15.239, Y=-24.948; The 62nd point, X=15.316, Y=-24.995;
The 63rd point, X=15.412, Y=-25.042.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202773006U CN202187922U (en) | 2011-08-01 | 2011-08-01 | Rotor assembly of 20-60 horsepower double-screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202773006U CN202187922U (en) | 2011-08-01 | 2011-08-01 | Rotor assembly of 20-60 horsepower double-screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187922U true CN202187922U (en) | 2012-04-11 |
Family
ID=45919377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202773006U Expired - Lifetime CN202187922U (en) | 2011-08-01 | 2011-08-01 | Rotor assembly of 20-60 horsepower double-screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107845A (en) * | 2021-04-08 | 2021-07-13 | 宁波迪奥机械有限公司 | Double-screw rotor component |
-
2011
- 2011-08-01 CN CN2011202773006U patent/CN202187922U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107845A (en) * | 2021-04-08 | 2021-07-13 | 宁波迪奥机械有限公司 | Double-screw rotor component |
| CN113107845B (en) * | 2021-04-08 | 2023-03-03 | 宁波迪奥机械有限公司 | Double-screw rotor component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202187922U (en) | Rotor assembly of 20-60 horsepower double-screw air compressor | |
| CN106499635B (en) | The flute profile of oil spout double-screw compressor rotor | |
| CN105240277A (en) | Fully-smooth screw rotor of twin-screw vacuum pump | |
| CN106401958B (en) | A kind of rotor molded line of screw vacuum pump | |
| CN105422448A (en) | Variable-tooth-width variable-pitch screw rotor | |
| CN203321827U (en) | High-efficiency double screw rod compressor rotor line | |
| CN202215474U (en) | Rotor of oil free screw compressor | |
| CN106286296B (en) | A kind of flute profile of double-screw compressor rotor | |
| CN102900672B (en) | Rotor of oil-free screw compressor | |
| CN110821835A (en) | Conical screw rotor of double-screw vacuum pump | |
| CN102808771A (en) | Single-head varying-pitch screw rotor with equal tooth top width | |
| CN102022335B (en) | Rotor profiles of screw compressors | |
| CN210218104U (en) | Variable cross-section scroll wrap of scroll compressor | |
| CN208456849U (en) | A kind of three leaf sectional circular camber roots rotors | |
| CN205277808U (en) | Become screw rotor of breadth of tooth variable -pitch | |
| CN105257537A (en) | Rotor end face flute profile of three-tooth screw compressor | |
| CN202756246U (en) | Equal-teeth and top width single-head varying pitch screw rotor | |
| CN101545488A (en) | End face tooth form of novel screw compressor | |
| US6929458B2 (en) | Oil pump rotor | |
| CN202056052U (en) | Rotor assembly of 150-200 horsepower double-screw air compressor | |
| CN108757438A (en) | A kind of complete smooth screw rotor and its design method of small enclosed volume | |
| CN208816319U (en) | A kind of double end of twin-screw liquid pump smooth screw rotor entirely | |
| CN202056053U (en) | Rotor assembly of 5.5-15 horsepower double-screw air compressor | |
| CN210218092U (en) | High-flow screw rotor of double-screw pump | |
| CN108757439B (en) | Double-head full-smooth screw rotor of double-screw liquid pump and design method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tongan District of Xiamen City, Fujian province 361000 Xi Ke Zhen Xi Ke Street No. 611 Patentee after: Xiamen East Asia Machinery Industry Limited by Share Ltd Address before: Tongan District of Xiamen City, Fujian province 361000 Xi Ke Zhen Xi Ke Street No. 611 Patentee before: Xiamen East Asia Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |