CN105465298A - Stepless gear transmission for precision machine tool - Google Patents
Stepless gear transmission for precision machine tool Download PDFInfo
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- CN105465298A CN105465298A CN201610089092.4A CN201610089092A CN105465298A CN 105465298 A CN105465298 A CN 105465298A CN 201610089092 A CN201610089092 A CN 201610089092A CN 105465298 A CN105465298 A CN 105465298A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2716/00—Control devices for speed-change mechanisms of planetary gearings, with toothed wheels remaining engaged, e.g. also for devices to simplify the control or for synchronising devices combined with control devices
- F16H2716/04—Control devices for speed-change mechanisms of planetary gearings, with toothed wheels remaining engaged, e.g. also for devices to simplify the control or for synchronising devices combined with control devices the control being hydraulic or pneumatic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a stepless gear transmission for a precision machine tool. The transmission comprises an input shaft, an output shaft, a balance body, an inner planetary body, a balance body speed-adjusting gear and an inner planetary body speed-adjusting gear. The center line of the input shaft is the main axis of the stepless gear transmission for the precision machine tool. The output shaft and the main axis are coaxial. The balance body, the balance body speed-adjusting gear and the inner planetary body speed-adjusting gear rotate with the main axis as the axis. The axis of the inner planetary body rotates in a planetary mode around the input shaft along with the balance body. The transmission has the advantages that the defect that belt transmission, steel strip transmission and friction type stepless transmissions are limited by the application range of small torque is overcome, the speed changing process is continuous, input power can be transmitted more effectively, and required output rotation speed and torque are continuously changed.
Description
Technical field
The invention belongs to a kind of variable speed drive, particularly relate to the electrodeless gear-shift transmission of a kind of precision machine tool.
Background technique
Current mechanical stepless speed changes mechanism adopts the modes such as friction driving usually, and defect is the defects such as operational reliability is poor, and transmitted power is little.Therefore, on a lot of mechanical device needing larger transmitted power and higher transmission accuracy, as automobile, lathe, still adopt gear shift transmission in a large number, transmission efficiency is lower, and cannot realize accurate control.And electrodeless gear transmission is still in lower developing stage.
Summary of the invention
The object of the invention is to propose the technological scheme of a kind of precision machine tool with electrodeless gear-shift transmission, adopt gear transmission mechanism and mechanical damping speed changer to realize pure electrodeless gear graduation, improve the technical performance of electrodeless variable-speed, improve precision and controllability.
To achieve these goals, technological scheme of the present invention is: the electrodeless gear-shift transmission of a kind of precision machine tool, comprises input shaft (I), output shaft (V), balanced body (VI), expert's celestial body, balanced body speed regulation gear (C12), expert's celestial body speed regulation gear (C9); The center line of described input shaft is the main axis of described precision machine tool with electrodeless gear-shift transmission, and described output shaft is coaxial with described main axis, described balanced body, balanced body speed regulation gear, expert's celestial body speed regulation gear with described main axis for axis rotation; The axis (II) of described expert's celestial body does planetary rotation with described balanced body around described input shaft; Described input shaft is provided with gear 1(C1), described gear 1 and a gear 2(C2) engage, described gear 2 and a gear 10(C10), a gear 3(C3) coaxial synchronized rotation, described gear 3 is sun gears of described expert's celestial body, described gear 10 and a gear 11(C11) engage, described gear 11 with described main axis for axis rotation, the synchronized rotation coaxial with described balanced body speed regulation gear of described gear 11; Described balanced body is arranged on to be rotatably assorted on described input shaft, and described balanced body speed regulation gear is arranged on to be rotatably assorted on described input shaft; Described balanced body is provided with expert's celestial body input shaft (II); Described expert's celestial body input shaft stretches out from described balanced body towards the direction of balanced body speed regulation gear, fixedly mount described gear 3(C3 being positioned on the described expert's celestial body input shaft inside balanced body), fixedly mount described gear 2(C2 stretching out on the described expert's celestial body input shaft outside described balanced body) and gear 10(C10); The planet carrier rotating shaft of described expert's celestial body is stretched out from described balanced body towards the direction of expert's celestial body speed regulation gear, and the planet carrier rotating shaft of stretching out described balanced body fixedly mounts described gear 5(C5); Described expert's celestial body input shaft is connected to realize asynchronous rotation by axle sleeve with planet carrier; Described balanced body is also provided with expert's celestial body speed governing axle (IV), described expert's celestial body speed governing axle stretches out from described balanced body towards the direction of expert's celestial body speed regulation gear, fixedly mount described gear 6(C6 being positioned on the institute expert celestial body speed governing axle inside balanced body), the planet carrier stretching out described balanced body fixedly mounts described gear 7(C7); The external diameter of described balanced body is provided with inner bearing collar, described expert's celestial body speed regulation gear is provided with outer collar bearing, between described inner bearing collar and described outer collar bearing, be provided with bearing ball, described balanced body and described expert's celestial body speed regulation gear are rotated jointly centered by described main axis; Described input shaft is connected to realize asynchronous rotation with bearing by axle sleeve with output shaft; Described expert's celestial body also comprises gear 14(C14) and gear 15(C15), described gear 14 is planetary pinions of described expert's celestial body, described gear 15 is external toothings of described expert's celestial body, described gear 15 and a gear 4(C4) coaxial synchronized rotation, described gear 4 and a gear 6(C6) engage, described gear 6 and a gear 7(C7) coaxial synchronized rotation, described gear 6 does planetary rotation with described balanced body around described main axis with the axis (IV) of gear 7; Described gear 7 and an internal gear 8(C8) engage, described internal gear 8 and the coaxial synchronized rotation of described expert's celestial body speed regulation gear; Planet carrier (III) and a gear 5(C5 of described expert's celestial body) coaxial synchronized rotation, described output shaft is provided with gear 13(C13), described gear 13 engages with gear 5, described balanced body speed regulation gear connects a balanced body speed regulator (21), and described expert's celestial body speed regulation gear connects expert's celestial body speed regulator (22); Described balanced body speed regulator is the parts described balanced body speed regulation gear being produced to damping force, and described expert's celestial body speed regulator is the parts described expert's celestial body speed regulation gear being produced to damping force.
Further, described balanced body speed regulator and expert's celestial body speed regulator are Hydraulic Adjustable Speed parts, described balanced body speed regulator and expert's celestial body speed regulator are respectively equipped with the oil hydraulic pump driven by balanced body speed regulation gear and expert's celestial body speed regulation gear, and described oil hydraulic pump is connected with the circulating oil path of control valve.
Further, described balanced body speed regulator is the parts that maximum damping force makes the stall of balanced body speed regulation gear; Described expert's celestial body speed regulator is the parts that maximum damping force makes the stall of expert's celestial body speed regulation gear.
Further, in order to realize the steady rotation of the electrodeless gear-shift transmission of described precision machine tool, the electrodeless gear-shift transmission of described precision machine tool is provided with around point described expert's celestial body of many covers distributed, gear 2, gear 10, gear 4, gear 6, gear 7 and gears 5 such as described main axiss, is generally three cover said apparatus.
Further, the number of teeth of described each gear and modulus as follows:
Gear 1(C1): the number of teeth 16, modulus 2;
Gear 2(C2): the number of teeth 37, modulus 2;
Gear 3(C3): the number of teeth 14, modulus 1.5;
Gear 4(C4): the number of teeth 37, modulus 2;
Gear 5(C5): the number of teeth 37, modulus 2;
Gear 6(C6): the number of teeth 15, modulus 2;
Gear 7(C7): the number of teeth 31, modulus 2;
Gear 8(C8): the number of teeth 106, modulus 2;
Gear 9(C9): the number of teeth 120, modulus 2;
Gear 10(C10): the number of teeth 22, modulus 2;
Gear 11(C11): the number of teeth 31, modulus 2;
Gear 12(C12): the number of teeth 120, modulus 2;
Gear 13(C13): the number of teeth 16, modulus 2;
Gear 14(C14): the number of teeth 15, modulus 1.5;
Gear 15(C15): the number of teeth 44, modulus 1.5.
The rotating ratio excursion of described output shaft and input shaft is 1:1 ~ 0:1.
The invention has the beneficial effects as follows: have employed a kind of uniqueness, the stepless speed variator of novel concept structure, overcome the Applicable scope that belt transmission, Steel Belt Transmission and friction type stepless speed changer are confined to little torsion, the continuous Non-intermittent of speed-change process, can more effective transmission input power, continuously change required output speed and torsion.
Below in conjunction with drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is transmission principle figure of the present invention;
Fig. 2 is input shaft side view of the present invention;
Fig. 3 is output shaft side view of the present invention;
Fig. 4 is output shaft side view of the present invention, and the drive mechanism of gear 4, gear 5, gear 6, gear 7 is shown;
Fig. 5 is expert's celestial body sectional view of the present invention;
Fig. 6 is the structural drawing that the present invention is provided with three cover expert celestial bodies, gear 2, gear 10, gear 4, gear 6, gear 7 and gear 5.
Embodiment
As Fig. 1, the electrodeless gear-shift transmission of a kind of precision machine tool, comprises input shaft (I), output shaft (V), balanced body (VI), expert's celestial body, balanced body speed regulation gear (C12), expert's celestial body speed regulation gear (C9); The center line of described input shaft is the main axis of described precision machine tool with electrodeless gear-shift transmission, and described output shaft is coaxial with described main axis, described balanced body, balanced body speed regulation gear, expert's celestial body speed regulation gear with described main axis for axis rotation; The axis (II) of described expert's celestial body does planetary rotation with described balanced body around described input shaft.Described input shaft is provided with gear 1(C1), described gear 1 and a gear 2(C2) engage, described gear 2 and a gear 10(C10), a gear 3(C3) coaxial synchronized rotation, described gear 3 is sun gears of described expert's celestial body, described gear 10 and a gear 11(C11) engage, described gear 11 with described main axis for axis rotation, the synchronized rotation coaxial with described balanced body speed regulation gear of described gear 11.Described expert's celestial body also comprises gear 14(C14) and gear 15(C15), described gear 14 is planetary pinions of described expert's celestial body, described gear 15 is external toothings of described expert's celestial body, described gear 15 and a gear 4(C4) coaxial synchronized rotation, described gear 4 and a gear 6(C6) engage, described gear 6 and a gear 7(C7) coaxial synchronized rotation, described gear 6 does planetary rotation with described balanced body around described main axis with the axis (IV) of gear 7; Described gear 7 and an internal gear 8(C8) engage, described internal gear 8 and the coaxial synchronized rotation of described expert's celestial body speed regulation gear.Planet carrier (III) and a gear 5(C5 of described expert's celestial body) coaxial synchronized rotation, described output shaft is provided with gear 13(C13), described gear 13 engages with gear 5.Described balanced body speed regulation gear connects a balanced body speed regulator (21), and described expert's celestial body speed regulation gear connects expert's celestial body speed regulator (22); Described balanced body speed regulator is the parts described balanced body speed regulation gear being produced to damping force, and described expert's celestial body speed regulator is the parts described expert's celestial body speed regulation gear being produced to damping force.Described balanced body speed regulator and expert's celestial body speed regulator are Hydraulic Adjustable Speed parts, described balanced body speed regulator and expert's celestial body speed regulator are respectively equipped with the oil hydraulic pump driven by balanced body speed regulation gear and expert's celestial body speed regulation gear, and described oil hydraulic pump is connected with the circulating oil path of control valve.Described balanced body speed regulator is the parts that maximum damping force makes the stall of balanced body speed regulation gear; Described expert's celestial body speed regulator is the parts that maximum damping force makes the stall of expert's celestial body speed regulation gear.In order to realize the steady rotation of the electrodeless gear-shift transmission of described precision machine tool, the electrodeless gear-shift transmission of described precision machine tool is provided with around point described expert's celestial body of many covers distributed, gear 2, gear 10, gear 4, gear 6, gear 7 and gears 5 such as described main axiss.
This precision machine tool drive connection of electrodeless gear-shift transmission is:
Input shaft (I) driven gear 1(C1) rotate; Gear 1 driven gear 2(C2) rotate; Gear 2 is by gear 10(C10) with gear 11(C11) relative movement, actuation gear 11 rotate or move around gear 11 as planet wheel, gear 2 simultaneously driven gear 3 rotates, and drives balanced body balanced body (VI) to rotate when gear 2, gear 3 do planetary motion; The rotating speed of balanced body speed regulator (21) by balanced body speed regulation gear (C12) control gear 11 and the rotating speed of balanced body; Gear 3 as the sun gear of expert's celestial body by as the gear 14(C14 of planet wheel) drive planet carrier (III) and external toothing (C15) rotation, expert's celestial body speed regulator (22) is by gear 9(C9), internal gear 8(C8), gear 7(C7), gear 5(C5) and gear 4(C4) control the rotating speed of external toothing (C15), thus the rotating speed of adjustment planet carrier (III); Planet carrier (III) driven gear 5(C5) rotate, the resultant motion actuation gear 13(C13 of gear 5 and balanced body) rotate, thus drive output shaft (V) to rotate.
The principle of described balanced body is: balanced body is the principle by the outer square power of plane table thermoconductivity meter, (i.e. sun gear, external toothing, planet carrier three power sums equal zero) so the sun gear stem gear 2(C2 of plane table thermoconductivity meter), the gear 4(C4 of gear ring connecting shaft), the gear 5(C5 of planet carrier connecting shaft), under same radius torsion, balanced body can produce the balanced action of equilibrant.
Embodiment one:
As Fig. 1 to Fig. 5, the electrodeless gear-shift transmission of a kind of precision machine tool, comprises input shaft (I), output shaft (V), balanced body (VI), expert's celestial body, balanced body speed regulation gear (C12), expert's celestial body speed regulation gear (C9).The center line of input shaft is coaxial with the center line of output shaft, is the main axis of whole precision machine tool with electrodeless gear-shift transmission.The input shaft of the present embodiment is connected by the axle sleeve 32 being provided with bearing 31 with output shaft, to realize the asynchronous rotary of input shaft and output shaft.Balanced body, balanced body speed regulation gear, expert's celestial body speed regulation gear take main axis as axis rotation; The axis (II) of expert's celestial body does planetary rotation with balanced body around described input shaft.Described balanced body is arranged on input shaft by bearing 33 to be rotatably assorted, and balanced body speed regulation gear is arranged on input shaft to be rotatably assorted by bearing 34.Input shaft is provided with gear 1(C1), gear 1 is fixedly mounted in input by flat key, rotates with input shaft.Expert's celestial body comprises expert's celestial body input shaft (II), sun gear (gear 3, C3), planet wheel (gear 14, C14), planet carrier (III) and external toothing (gear 15, C15).Expert's celestial body input shaft passes through bearing 35 in balanced body; Expert's celestial body input shaft stretches out from balanced body towards the direction of balanced body speed regulation gear, fixedly mount gear 3(C3 being positioned on the expert's celestial body input shaft inside balanced body), be installed with gear 2(C2 stretching out on the expert's celestial body input shaft outside balanced body) and gear 10(C10), realize the sun gear of gear 3(expert celestial body), gear 2 and the coaxial synchronized rotation of gear 10.Gear 1 engages with gear 2, and gear 10 engages with a gear 11, and gear 11 and balanced body speed regulation gear (C12) are cluster gear.Gear 11 is axis rotation with main axis together with balanced body speed regulation gear.The planet carrier rotating shaft (III) of expert's celestial body is stretched out from described balanced body towards the direction of expert's celestial body speed regulation gear, and the planet carrier rotating shaft of stretching out balanced body fixedly mounts a gear 5(C5), make the coaxial synchronized rotation of the planet carrier of expert's celestial body and gear 5.Expert's celestial body input shaft (II) is connected by axle sleeve with planet carrier (III), realizes asynchronous rotation.External toothing (C15) and a gear 4(C4 of expert's celestial body) coaxial synchronized rotation, in the present embodiment, external toothing (C15) and the gear 4(C4 of expert's celestial body) be cluster gear.Balanced body is also provided with expert's celestial body speed governing axle (IV), described expert's celestial body speed governing axle stretches out from balanced body towards the direction of expert's celestial body speed regulation gear, be positioned at a fixed installation gear 6(C6 on the expert's celestial body speed governing axle inside balanced body), the planet carrier rotating shaft of stretching out balanced body fixedly mounts a gear 7(C7).Gear 4 engages with gear 6, and gear 6 synchronized rotation coaxial with gear 7, expert's celestial body speed governing axle (IV) does planetary rotation with balanced body around described main axis.Described gear 7 and an internal gear 8(C8) engage, internal gear 8 synchronized rotation coaxial with expert's celestial body speed regulation gear, in the present embodiment, internal gear 8 and expert's celestial body speed regulation gear are cluster gear.Output shaft fixedly mounts a gear 13(C13 by flat key), gear 13 engages with gear 5.The external diameter of balanced body is provided with inner bearing collar 36, and expert's celestial body speed regulation gear is provided with outer collar bearing 37, is provided with bearing ball 38 between inner bearing collar and described outer collar bearing, and balanced body and expert's celestial body speed regulation gear are rotated jointly centered by main axis; Described input shaft is connected to realize asynchronous rotation with bearing by axle sleeve with output shaft.The electrodeless gear-shift transmission of precision machine tool realizes electrodeless variable-speed by the rotating speed controlling balanced body speed regulation gear and expert's celestial body speed regulation gear.In the present embodiment, balanced body speed regulation gear connects a balanced body speed regulator (21), and expert's celestial body speed regulation gear connects expert's celestial body speed regulator (22).Balanced body speed regulator and expert's celestial body speed regulator are Hydraulic Adjustable Speed parts, and balanced body speed regulator and expert's celestial body speed regulator are all provided with oil hydraulic pump, and the oil hydraulic pump in the present embodiment is gear oil pump, and gear oil pump is connected with the circulating oil path of control valve.When adjusting the switching value of control valve, changing of gear pump input shaft, thus the damping force changing Hydraulic Adjustable Speed parts.Balanced body speed regulation gear connects the input shaft of balanced body speed regulator oil hydraulic pump, expert's celestial body timing gear connects the input shaft of expert's celestial body speed regulator oil hydraulic pump, when the control valve amount of the going into operation change of balanced body speed regulator and expert's celestial body speed regulator, the damping force that balanced body speed regulation gear and expert's celestial body speed regulation gear are subject to changes, thus controls the rotating speed of balanced body speed regulation gear and expert's celestial body speed regulation gear.When balanced body speed regulator reaches maximum damping force, the stall of balanced body speed regulation gear can be made, when expert's celestial body speed regulator reaches maximum damping force, the stall of expert's celestial body speed regulation gear can be made.When the damping force of balanced body speed regulator and expert's celestial body speed regulator is adjusted to minimum, balanced body speed regulation gear and expert's celestial body speed regulation gear are in free rotation state, and output shaft does not have Power output, is in stop state.When the damping force of expert's celestial body speed regulator is adjusted to maximum, expert's celestial body speed regulation gear is in stop state, expert's star rotation, output shaft low speed rotation.When the damping force of balanced body speed regulator tunes up gradually, balanced body speed regulation gear reduces rotating speed gradually, and balanced body and expert's celestial body rotate simultaneously, and output shaft rotating speed increases gradually.When the damping force of balanced body speed regulator and expert's celestial body speed regulator is all adjusted to maximum, balanced body speed regulation gear and expert's celestial body speed regulation gear are in stop state, and balanced body and expert's celestial body rotate simultaneously, and output shaft reaches maximum speed.
In the present embodiment, the number of teeth of each gear, modulus and rotating speed are as follows:
Gear 1(C1): tooth number Z 1=16, modulus 2, rotating speed V1(input shaft rotating speed);
Gear 2(C2): tooth number Z 2=37, modulus 2, rotating speed V2=V3=V10;
Gear 3(C3): tooth number Z 3=14, modulus 1.5, rotating speed V3;
Gear 4(C4): tooth number Z 4=37, modulus 2, rotating speed V4;
Gear 5(C5): tooth number Z 5=37, modulus 2, rotating speed V5(expert celestial body planet carrier);
Gear 6(C6): tooth number Z 6=15, modulus 2, rotating speed V6;
Gear 7(C7): tooth number Z 7=31, modulus 2, rotating speed V7;
Gear 8(C8): internal gear, tooth number Z 8=106, modulus 2, rotating speed V8;
Expert's celestial body speed regulation gear (C9): tooth number Z 9=120, modulus 2, rotating speed V9;
Gear 10(C10): tooth number Z 10=22, modulus 2, rotating speed V10;
Gear 11(C11): tooth number Z 11=31, modulus 2, rotating speed V11=V12;
Balanced body speed regulation gear (C12): tooth number Z 12=120, modulus 2, rotating speed V12;
Gear 13(C13): tooth number Z 13=16, modulus 2, rotating speed V13(output shaft rotating speed);
Gear 14(C14): tooth number Z 14=15, modulus 1.5, rotating speed V14;
Gear 15(C15): internal gear, tooth number Z 15=44, modulus 1.5, rotating speed V15.
Its drive connection is:
The rotating speed V of balanced body
vI:
V
Ⅵ=-V
Ⅰ/(Z2/Z1×Z11/Z10-1)+V12
The rotating speed of gear 3:
V3=V
Ⅵ×Z11/Z10+V
Ⅵ-V12×Z11/Z10
The rotating speed of gear 7:
V7=V8×Z8/Z7-(V
Ⅵ×(Z8/Z7-1))
The rotating speed of expert's celestial body ring gear 15:
V15=-(V7-V
Ⅵ)×Z6/Z4+V
Ⅵ
The rotating speed of gear 5:
V5=(V3+V15×(Z15/Z3))/(Z15/Z3+1)
The rotating speed of output shaft V
V
Ⅴ=V
Ⅵ-(V5-V
Ⅵ)×Z5/Z13
In above-mentioned representation:
V
ifor input shaft rotating speed, V
vIfor balanced body rotating speed, V
vfor output shaft rotating speed.
When balanced body speed regulation gear (C12), expert's celestial body speed regulation gear (C9) stall:
V12=0；
V8=0；
The rotating speed of balanced body: V
vI=-V
i/ (37/16 × 31/22-1)=-0.44V
i
The rotating speed of gear 3: V3=V
vI× 31/22+V
vI=-1.07V
i
The rotating speed of gear 7: V7=-V
vI× (106/31-1)=1.07V
i
The rotating speed of expert's celestial body ring gear 15: V15=-(V7-V
vI) × 15/37+V
vI=-1.06V
i
The rotating speed of gear 5: V5=(V3+V15 × (44/14))/(44/14+1)=-1.06V
i
The rotating speed of output shaft V: V
v=V
vI-(V5-V
vI) × 37/16=0.98V
i≈ 1V
i
So the output shaft of the present embodiment and the rotating ratio excursion of input shaft are 1:1 ~ 0:1.
Embodiment two:
As Fig. 6, the electrodeless gear-shift transmission of a kind of precision machine tool, on the basis of embodiment one, comprises input shaft (I), output shaft (V), balanced body (VI), expert's celestial body, balanced body speed regulation gear (C12), expert's celestial body speed regulation gear (C9).The center line of input shaft is coaxial with the center line of output shaft, is the main axis of whole precision machine tool with electrodeless gear-shift transmission.In the present embodiment, the electrodeless gear-shift transmission of precision machine tool is provided with three cover described expert's celestial body, the gear 2(C2 around point distribution such as main axis), gear 10(C10), gear 4(C4), gear 6(C6), gear 7(C7) and gear 5(C5).When precision machine tool rotates with electrodeless gear-shift transmission, there is good rotation dynamic balance.
Claims (7)
1. the electrodeless gear-shift transmission of precision machine tool, it is characterized in that, comprise input shaft (I), output shaft (V), balanced body (VI), expert's celestial body, balanced body speed regulation gear (C12), expert's celestial body speed regulation gear (C9); The center line of described input shaft is the main axis of described precision machine tool with electrodeless gear-shift transmission, and described output shaft is coaxial with described main axis, described balanced body, balanced body speed regulation gear, expert's celestial body speed regulation gear with described main axis for axis rotation; The axis (II) of described expert's celestial body does planetary rotation with described balanced body around described input shaft;
Described input shaft is provided with gear 1 (C1), described gear 1 engages with a gear 2 (C2), described gear 2 and a gear 10 (C10), a coaxial synchronized rotation of gear 3 (C3), described gear 3 is sun gears of described expert's celestial body, described gear 10 engages with a gear 11 (C11), described gear 11 with described main axis for axis rotation, the synchronized rotation coaxial with described balanced body speed regulation gear of described gear 11;
Described expert's celestial body also comprises gear 14 (C14) and gear 15 (C15), described gear 14 is planetary pinions of described expert's celestial body, described gear 15 is external toothings of described expert's celestial body, the synchronized rotation coaxial with a gear 4 (C4) of described gear 15, described gear 4 engages with a gear 6 (C6), the synchronized rotation coaxial with a gear 7 (C7) of described gear 6, described gear 6 does planetary rotation with described balanced body around described main axis with the axis (IV) of gear 7; Described gear 7 engages with an internal gear 8 (C8), described internal gear 8 and the coaxial synchronized rotation of described expert's celestial body speed regulation gear;
Described balanced body is arranged on to be rotatably assorted on described input shaft, and described balanced body speed regulation gear is arranged on to be rotatably assorted on described input shaft; Described balanced body is provided with expert's celestial body input shaft (II); Described expert's celestial body input shaft stretches out from described balanced body towards the direction of balanced body speed regulation gear, fixedly mount described gear 3 (C3) being positioned on the described expert's celestial body input shaft inside balanced body, fixedly mount described gear 2 (C2) and gear 10 (C10) stretching out on the described expert's celestial body input shaft outside described balanced body; The planet carrier rotating shaft of described expert's celestial body is stretched out from described balanced body towards the direction of expert's celestial body speed regulation gear, and the planet carrier rotating shaft of stretching out described balanced body fixedly mounts described gear 5 (C5); Described expert's celestial body input shaft is connected to realize asynchronous rotation by axle sleeve with planet carrier; Described balanced body is also provided with expert's celestial body speed governing axle (IV), described expert's celestial body speed governing axle stretches out from described balanced body towards the direction of expert's celestial body speed regulation gear, fixedly mount described gear 6 (C6) being positioned on the institute expert celestial body speed governing axle inside balanced body, the planet carrier stretching out described balanced body fixedly mounts described gear 7 (C7); The external diameter of described balanced body is provided with inner bearing collar, described expert's celestial body speed regulation gear is provided with outer collar bearing, between described inner bearing collar and described outer collar bearing, be provided with bearing ball, described balanced body and described expert's celestial body speed regulation gear are rotated jointly centered by described main axis; Described input shaft is connected to realize asynchronous rotation with bearing by axle sleeve with output shaft;
Described balanced body speed regulation gear connects a balanced body speed regulator (21), and described expert's celestial body speed regulation gear connects expert's celestial body speed regulator (22); Described balanced body speed regulator is the parts described balanced body speed regulation gear being produced to damping force, and described expert's celestial body speed regulator is the parts described expert's celestial body speed regulation gear being produced to damping force.
2. the electrodeless gear-shift transmission of a kind of precision machine tool according to claim 1, it is characterized in that, planet carrier (III) the synchronized rotation coaxial with a gear 5 (C5) of described expert's celestial body, described output shaft is provided with gear 13 (C13), described gear 13 (C13) is engaged with gear 5 (C5), described balanced body speed regulator and expert's celestial body speed regulator are Hydraulic Adjustable Speed parts, described balanced body speed regulator and expert's celestial body speed regulator are respectively equipped with the oil hydraulic pump driven by balanced body speed regulation gear and expert's celestial body speed regulation gear, described oil hydraulic pump is connected with the circulating oil path of control valve.
3. the electrodeless gear-shift transmission of a kind of precision machine tool according to claim 1 and 2, is characterized in that, described balanced body speed regulator is the parts that maximum damping force makes the stall of balanced body speed regulation gear; Described expert's celestial body speed regulator is the parts that maximum damping force makes the stall of expert's celestial body speed regulation gear.
4. the electrodeless gear-shift transmission of a kind of precision machine tool according to claim 1, it is characterized in that, the electrodeless gear-shift transmission of described precision machine tool is provided with around point described expert's celestial body of many covers distributed, gear 2, gear 10, gear 4, gear 6, gear 7 and gears 5 such as described main axiss.
5. the electrodeless gear-shift transmission of a kind of precision machine tool according to claim 4, is characterized in that, the tricks of described expert's celestial body, gear 2, gear 10, gear 4, gear 6, gear 7 and gear 5 is three covers.
6. the electrodeless gear-shift transmission of a kind of precision machine tool according to claim 1 or 2 or 4 or 5, is characterized in that, the number of teeth and the modulus of described each gear are as follows:
Gear 1 (C1): the number of teeth 16, modulus 2;
Gear 2 (C2): the number of teeth 37, modulus 2;
Gear 3 (C3): the number of teeth 14, modulus 1.5;
Gear 4 (C4): the number of teeth 37, modulus 2;
Gear 5 (C5): the number of teeth 37, modulus 2;
Gear 6 (C6): the number of teeth 15, modulus 2;
Gear 7 (C7): the number of teeth 31, modulus 2;
Gear 8 (C8): the number of teeth 106, modulus 2;
Gear 9 (C9): the number of teeth 120, modulus 2;
Gear 10 (C10): the number of teeth 22, modulus 2;
Gear 11 (C11): the number of teeth 31, modulus 2;
Gear 12 (C12): the number of teeth 120, modulus 2;
Gear 13 (C13): the number of teeth 16, modulus 2;
Gear 14 (C14): the number of teeth 15, modulus 1.5;
Gear 15 (C15): the number of teeth 44, modulus 1.5;
The rotating ratio excursion of described output shaft and input shaft is 1:1 ~ 0:1.
7. the electrodeless gear-shift transmission of a kind of precision machine tool according to claim 3, is characterized in that, the number of teeth and the modulus of described each gear are as follows:
Gear 1 (C1): the number of teeth 16, modulus 2;
Gear 2 (C2): the number of teeth 37, modulus 2;
Gear 3 (C3): the number of teeth 14, modulus 1.5;
Gear 4 (C4): the number of teeth 37, modulus 2;
Gear 5 (C5): the number of teeth 37, modulus 2;
Gear 6 (C6): the number of teeth 15, modulus 2;
Gear 7 (C7): the number of teeth 31, modulus 2;
Gear 8 (C8): the number of teeth 106, modulus 2;
Gear 9 (C9): the number of teeth 120, modulus 2;
Gear 10 (C10): the number of teeth 22, modulus 2;
Gear 11 (C11): the number of teeth 31, modulus 2;
Gear 12 (C12): the number of teeth 120, modulus 2;
Gear 13 (C13): the number of teeth 16, modulus 2;
Gear 14 (C14): the number of teeth 15, modulus 1.5;
Gear 15 (C15): the number of teeth 44, modulus 1.5;
The rotating ratio excursion of described output shaft and input shaft is 1:1 ~ 0:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089092.4A CN105465298A (en) | 2016-02-17 | 2016-02-17 | Stepless gear transmission for precision machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089092.4A CN105465298A (en) | 2016-02-17 | 2016-02-17 | Stepless gear transmission for precision machine tool |
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| CN105465298A true CN105465298A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610089092.4A Withdrawn CN105465298A (en) | 2016-02-17 | 2016-02-17 | Stepless gear transmission for precision machine tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733335A (en) * | 2019-10-28 | 2020-01-31 | 武汉轻工大学 | Transmission mechanism, traveling system and moon-exploring robot |
| CN115326641A (en) * | 2022-10-12 | 2022-11-11 | 南通林多光学仪器有限公司 | Viscosity detector for plastic finished product preparation |
-
2016
- 2016-02-17 CN CN201610089092.4A patent/CN105465298A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733335A (en) * | 2019-10-28 | 2020-01-31 | 武汉轻工大学 | Transmission mechanism, traveling system and moon-exploring robot |
| CN110733335B (en) * | 2019-10-28 | 2021-08-20 | 武汉轻工大学 | Transmission mechanism, traveling system and moon-exploring robot |
| CN115326641A (en) * | 2022-10-12 | 2022-11-11 | 南通林多光学仪器有限公司 | Viscosity detector for plastic finished product preparation |
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Application publication date: 20160406 |