CN103362731B - Valve plate of square and hexagon type non-circular gear planetary gear train hydraulic motor and hydraulic motor - Google Patents

Valve plate of square and hexagon type non-circular gear planetary gear train hydraulic motor and hydraulic motor Download PDF

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Publication number
CN103362731B
CN103362731B CN201210186676.5A CN201210186676A CN103362731B CN 103362731 B CN103362731 B CN 103362731B CN 201210186676 A CN201210186676 A CN 201210186676A CN 103362731 B CN103362731 B CN 103362731B
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China
Prior art keywords
group
ring gear
thrust plate
hexagonal ring
assignment hole
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Expired - Fee Related
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CN201210186676.5A
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CN103362731A (en
Inventor
许鸿昊
路兰卿
沈冰妹
任宏杰
张慧
马玉坤
成清校
于立欣
李喜
滕磊军
赵彤
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BEIJING AEROSPACE RATE MECHANICAL & ELECTRICAL ENGINEERING CO., LTD.
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BEIJING RATE NEW TECHNOLOGY CORP
Beijing Institute of Aerospace Testing Technology
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Abstract

The invention discloses a valve plate of a square and hexagon type non-circular gear planetary gear train hydraulic motor and a hydraulic motor. The shape and the position of a flow distribution hole in the valve plate are accurately designed so that the sectional area of a runner is increased to the maximum degree, the flow resistance is reduced and the working efficiency of the motor is improved.

Description

The thrust plate of four or six type hydraulic motor for non-circular epicyclic train and oil hydraulic motor
Technical field
The present invention relates to a kind of hydraulic power unit, particularly a kind of thrust plate of four or six type hydraulic motor for non-circular epicyclic train and the oil hydraulic motor containing this thrust plate.
Background technique
Hydraulic motor for non-circular epicyclic train is a kind of low speed high torque hydraulic motor, be specially adapted to using emulsified liquid or suitable other liquid of performance as working medium, simultaneously it also has antipollution, high-efficient low-noise, miniaturization, the advantage such as integrated, has therefore just become the emphasis of National Key Research Programs in the early 1990s in last century.The core institution of this oil hydraulic motor is non-circular gear planetary gear system and distributing construction thereof, it is crucial that the geomery of assignment hole and position in distributing construction design, can assignment hole controls the turnover of working medium in non-circular gear planetary gear system, be oil hydraulic motor efficiency and one of deciding factor that normally work.
In prior art, Chinese patent CN 202100377U, on January 4 2012 publication date, disclose one " hydraulic motor of non-circular planetary gear system ", this motor is in order to be set to multiple by efficiency by assignment hole.Also has Chinese patent CN 101463792A, June 24 2009 publication date, disclose one " low-speed high-torque hydraulic motor of non-circular gear epicyclic gear train ", describe the impact of assignment hole shape on moyor in above-mentioned prior art, but but have ignored the important function of assignment hole position to moyor.
Summary of the invention
In order to overcome hydraulic motor for non-circular epicyclic train thrust plate in the design attitude of assignment hole be unfavorable for improving the defect of oil hydraulic motor efficiency, the invention provides a kind of thrust plate and oil hydraulic motor of four or six type hydraulic motor for non-circular epicyclic train.
The technical solution adopted for the present invention to solve the technical problems is: comprise thrust plate and lower thrust plate, the surface that upper thrust plate is relative with non-circular planetary gear train is provided with the first assembly discharge orifice, and the surface that lower thrust plate is relative with non-circular planetary gear train is provided with the second assembly discharge orifice; First assembly discharge orifice has 6, is first group of first assignment hole, first group of second assignment hole, first group of the 3rd assignment hole, first group of the 4th assignment hole, first group of the 5th assignment hole, first group of the 6th assignment hole respectively; Second assembly discharge orifice has 6, is second group of first assignment hole, second group of second assignment hole, second group of the 3rd assignment hole, second group of the 4th assignment hole, second group of the 5th assignment hole, second group of the 6th assignment hole respectively; First assembly discharge orifice is perpendicular to being projected in 6 first group of Olive Shape regions in the plane of motor spindle, and each described Olive Shape region is respectively with O 1and O 2for the center of circle, to intersect with planetary root radius r two circles that are radius and form; In XY system of coordinates with the center of hexagonal ring gear pitch curve for initial point, with the large radius of each hexagonal ring gear pitch curve for X-axis, then O 1coordinate be (0.393d ,-0.086d), O 2coordinate be (0.359d ,-0.118d), d is the large diameter length of hexagonal ring gear pitch curve; Second assembly discharge orifice is perpendicular to being projected in 6 second group of Olive Shape regions in the plane of motor spindle, and each described Olive Shape region is respectively with O 3and O 4for the center of circle, to intersect with planetary root radius r two circles that are radius and form; In XY system of coordinates with the center of hexagonal ring gear pitch curve for initial point, with the large radius of each hexagonal ring gear pitch curve for X-axis, then O 3coordinate be (0.393d, 0.086d), O 4coordinate be (0.359d, 0.118d), d is the large diameter length of ring gear pitch curve.
The modulus of to be 0.5m ~ 1.0m, m the be hexagonal ring gear of the distance between preferred hexagonal ring gear pitch curve and top circle, preferred 0.7m.
The modulus of to be 0.6m ~ 1.25m, m the be hexagonal ring gear of the distance between preferred hexagonal ring gear pitch curve and root circle, preferred 0.8m.
Preferred d is hexagonal ring gear pitch curve three large diameter Mean lengths.
Preferred r is the Mean length of ten planetary pinion root radiuses.
Preferably the first assembly discharge orifice is overlapping completely with described first group of Olive Shape region perpendicular to the projection in the plane of motor spindle.
Preferably the second assembly discharge orifice is overlapping completely with described second group of Olive Shape region perpendicular to the projection in the plane of motor spindle.
Preferably the first assembly discharge orifice is perpendicular to being projected as circle or Olive Shape or oval or track type in the plane of motor spindle.
Preferably the second assembly discharge orifice is perpendicular to being projected as circle or Olive Shape or oval or track type in the plane of motor spindle.
A kind of oil hydraulic motor, is characterized in that: this motor contains the thrust plate in claim 1 ~ 9 described in any one.
The invention has the beneficial effects as follows, the design of assignment hole can reduce flow resistance, improves the working efficiency of motor.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, thrust plate of the present invention is specifically described.
Fig. 1 is the erection drawing of oil hydraulic motor of the present invention.
Fig. 2 is A direction view in Fig. 1.
Fig. 3 is the position view of an assignment hole.
Fig. 4 is position and the schematic shapes of the first 12 assignment hole.
Fig. 5 is position and the schematic shapes of the second 12 assignment holes.
Fig. 6 is position and the schematic shapes of the third 12 assignment holes.
Wherein 1. planetary gear train, 2. go up thrust plate, 3. play thrust plate, 4. flow road, 11. sun gears, 12. ring gears, 13. planetary pinions, 14. pitch curves, 401. first groups of first assignment holes, 402. second groups of first assignment holes, 403. first groups of second assignment holes, 404. second groups of second assignment holes, 405. first group of the 3rd assignment hole, 406. second group of the 3rd assignment hole, 407. first group of the 4th assignment hole, 408. second group of the 4th assignment hole, 409. first group of the 5th assignment hole, 410. second group of the 5th assignment hole, 411. first group of the 6th assignment hole, 412. second group of the 6th assignment hole.
Embodiment
First oil hydraulic motor of the present invention is introduced, a kind of sectional view of four or six type hydraulic motor for non-circular epicyclic train as shown in Figure 1, comprise four or six type non-circular gear planetary gear systems 1, upper thrust plate 2 and lower thrust plate 3, upper thrust plate 2 and lower thrust plate 3 respectively have six flow passages 4, the plane domain of flow passage formation crossing with the upper and lower surface of planetary gear train is exactly assignment hole, and assignment hole has 12.Planetary gear train 1 is made up of the ring gear 12 of sun gear 11, hexagonal of a corner and ten planetary pinions 13, as shown in Figure 2.As shown in Figure 3, this pitch curve always has three major diameters to hexagonal ring gear pitch curve, is AD, BE, CF respectively, and also can think that this pitch curve always has six large radiuses, be OA, OB, OC, OD, OE, OF respectively.
The thrust plate of four or six type hydraulic motor for non-circular epicyclic train, comprise thrust plate 2 and lower thrust plate 3, the surface that upper thrust plate 2 is relative with non-circular planetary gear train is provided with the first assembly discharge orifice, and the surface that lower thrust plate 3 is relative with non-circular planetary gear train is provided with the second assembly discharge orifice; First assembly discharge orifice has 6, is first group of first assignment hole, 401, first group of second assignment hole, 403, first group of the 3rd assignment hole, 405, first group of the 4th assignment hole, 407, first group of the 5th assignment hole, 409, first group of the 6th assignment hole 411 respectively; Second assembly discharge orifice has 6, is second group of first assignment hole, 402, second group of second assignment hole, 404, second group of the 3rd assignment hole, 406, second group of the 4th assignment hole, 408, second group of the 5th assignment hole, 410, second group of the 6th assignment hole 412 respectively; As Fig. 4.
In figure 3, the first assembly discharge orifice is perpendicular to being projected in 6 first group of Olive Shape regions in the plane of motor spindle, and each described Olive Shape region is respectively with O 1and O 2for the center of circle, to intersect with the root radius r of planetary pinion 13 two circles that are radius and form; In XY system of coordinates with the center of hexagonal ring gear pitch curve for initial point, with the large radius of each hexagonal ring gear pitch curve for X-axis, then O 1coordinate be (0.393d ,-0.086d), O 2coordinate be (0.359d ,-0.118d), d is the large diameter length of hexagonal ring gear pitch curve; The position of first group of first assignment hole is merely illustrated, according to the above-mentioned position can knowing other five assignment holes in first group, as Fig. 4 in Fig. 3; Second assembly discharge orifice is perpendicular to being projected in 6 second group of Olive Shape regions in the plane of motor spindle, and each described Olive Shape region is respectively with O 3and O 4for the center of circle, to intersect with the root radius r of planetary pinion 13 two circles that are radius and form; In XY system of coordinates with the center of hexagonal ring gear pitch curve for initial point, with the large radius of each hexagonal ring gear pitch curve for X-axis, then O 3coordinate be (0.393d, 0.086d), O 4coordinate be (0.359d, 0.118d), d is the large diameter length of ring gear pitch curve.The position of second group of first assignment hole is merely illustrated, according to the above-mentioned position can knowing other five assignment holes in second group, as Fig. 4 in Fig. 3.Wherein r is the Mean length of ten planetary pinion root radiuses.
As long as 12 projections of assignment hole on non-circular gear series cross section are in ten Two Areas shown in Fig. 4 respectively, the size shape of assignment hole also can be arbitrary.Arrange assignment hole like this can increase cross section of fluid channel and amass, reduce flow resistance, improve the working efficiency of motor.
The modulus of to be 0.5m ~ 1.0m, m the be hexagonal ring gear of the distance between preferred hexagonal ring gear pitch curve and top circle, preferred 0.7m.The modulus of to be 0.6m ~ 1.25m, m the be hexagonal ring gear of the distance between hexagonal ring gear pitch curve and root circle, preferred 0.8m.Preferred d is ring gear pitch curve three large diameter Mean lengths, and namely d is AD, BE, CF tri-large diameter Mean lengths in Fig. 3.
First assembly discharge orifice is overlapping completely with described Olive Shape region perpendicular to the projection in the plane of motor spindle, or second assembly discharge orifice overlapping completely with described second group of Olive Shape region perpendicular to the projection in the plane of motor spindle, or above-mentioned two assembly discharge orifices are overlapping completely with two groups of group Olive Shape regions perpendicular to the projection in the plane of motor spindle.Such setting can increase cross section of fluid channel to greatest extent and amass, and reduces flow resistance, farthest improves the working efficiency of motor.
In order to easy to process, the first assembly discharge orifice, perpendicular to being projected as ellipse in the plane of motor spindle, is connected to Olive Shape region in this ellipse, and the line between two oval centers of circle is perpendicular to O 1and O 2between line, as Fig. 5.Or the first assembly discharge orifice is perpendicular to being projected as the track type that two line segments are connected with two semicircles in the plane of motor spindle, and be connected to Olive Shape region in this track type, the line between two centers of circle of track type is perpendicular to O 1and O 2between line.Assignment hole is arranged to track type and is more conducive to machine shaping, and the first assembly discharge orifice can also be processed into circle, or oval.
The shape of the second assembly discharge orifice can be identical with the shape of the first assembly discharge orifice, and namely the second assembly discharge orifice is perpendicular to being projected as circle or Olive Shape or oval or track type in the plane of motor spindle.
In thrust plate, liquid in-out mode has the two kinds: first assembly discharge orifice to be inlet opening, and the second assembly discharge orifice is liquid outlet opening; Or the first assembly discharge orifice is liquid outlet opening, the second assembly discharge orifice is inlet opening.The turning clockwise and being rotated counterclockwise of corresponding motor center axle respectively of these two kinds of liquid in-out modes, concrete corresponding relation depends on the design of distributing construction.
A kind of oil hydraulic motor, is characterized in that: this motor contains the thrust plate of above-mentioned any one form.
Below by embodiment, the present invention is further described.
Embodiment 1
Four or the six type oil hydraulic motors of a discharge capacity 50ml/r, take mineral oil as working medium, working pressure is 20MPa, and rotating speed is 700r/min.12 assignment holes are Olive Shape, and it is consistent that size and position and Fig. 4 indicate, and the test method specified according to JB/T 10829-2008, the total efficiency of positive and negative two rotation directions is respectively 86% and 85%.
Embodiment 2
Four or the six type oil hydraulic motors of a discharge capacity 50ml/r, with the emulsified liquid of concentration 5% for working medium, working pressure is 20MPa, and rotating speed is 700r/min.12 assignment holes are Olive Shape, and it is consistent that size and position and Fig. 4 indicate, and the test method specified according to JB/T 10829-2008, positive and negative two rotation direction working efficiencies are respectively 61% and 60%.
Embodiment 3
Four or the six type oil hydraulic motors of a discharge capacity 50ml/r, with the emulsified liquid of concentration 5% for working medium, working pressure is 20MPa, and rotating speed is 700r/min.12 assignment holes are oval, and it is consistent that size and position and Fig. 5 indicate, and the test method specified according to JB/T 10829-2008, positive and negative two rotation direction working efficiencies are respectively 61% and 60%.
Embodiment 4
Four or the six type oil hydraulic motors of a discharge capacity 50ml/r, with the emulsified liquid of concentration 5% for working medium, working pressure is 20MPa, and rotating speed is 700r/min.12 assignment holes are track type, and it is consistent that size and position and Fig. 6 indicate, and the test method specified according to JB/T 10829-2008, positive and negative two rotation direction working efficiencies are respectively 59% and 58%.
In the present embodiment, different technologies feature can alternatively be used, and also can freely be combined.

Claims (12)

1. the thrust plate of a type hydraulic motor for non-circular epicyclic train, it is characterized in that, comprise thrust plate (2) and lower thrust plate (3), the surface that upper thrust plate (2) is relative with non-circular planetary gear train is provided with the first assembly discharge orifice, and lower thrust plate (3) surface relative with non-circular planetary gear train is provided with the second assembly discharge orifice;
First assembly discharge orifice has 6, is first group of first assignment hole (401), first group of second assignment hole (403), first group of the 3rd assignment hole (405), first group of the 4th assignment hole (407), first group of the 5th assignment hole (409), first group of the 6th assignment hole (411) respectively;
Second assembly discharge orifice has 6, is second group of first assignment hole (402), second group of second assignment hole (404), second group of the 3rd assignment hole (406), second group of the 4th assignment hole (408), second group of the 5th assignment hole (410), second group of the 6th assignment hole (412) respectively;
First assembly discharge orifice is perpendicular to being projected in 6 first group of Olive Shape regions in the plane of motor spindle, and each described Olive Shape region is respectively with O 1and O 2for the center of circle, be that two circles of radius intersect and form with the root radius r of planetary pinion (13); In XY system of coordinates with the center of hexagonal ring gear pitch curve for initial point, with the large radius of each hexagonal ring gear pitch curve for X-axis, then O 1coordinate be (0.393d ,-0.086d), O 2coordinate be (0.359d ,-0.118d), d is the large diameter length of hexagonal ring gear pitch curve;
Second assembly discharge orifice is perpendicular to being projected in 6 second group of Olive Shape regions in the plane of motor spindle, and each described Olive Shape region is respectively with O 3and O 4for the center of circle, be that two circles of radius intersect and form with the root radius r of planetary pinion (13); In XY system of coordinates with the center of hexagonal ring gear pitch curve for initial point, with the large radius of each hexagonal ring gear pitch curve for X-axis, then O 3coordinate be (0.393d, 0.086d), O 4coordinate be (0.359d, 0.118d), d is the large diameter length of ring gear pitch curve.
2. the thrust plate according to claim l, is characterized in that: the modulus of to be 0.5m ~ 1.0m, m the be hexagonal ring gear of the distance between hexagonal ring gear pitch curve and top circle.
3. thrust plate according to claim 2, is characterized in that: the modulus of to be 0.7m, m the be hexagonal ring gear of the distance between hexagonal ring gear pitch curve and top circle.
4. thrust plate according to claim 1, is characterized in that: the modulus of to be 0.6m ~ 1.25m, m the be hexagonal ring gear of the distance between hexagonal ring gear pitch curve and root circle.
5. thrust plate according to claim 4, is characterized in that: the modulus of to be 0.8m, m the be hexagonal ring gear of the distance between hexagonal ring gear pitch curve and root circle.
6. thrust plate according to claim 1, is characterized in that: d is hexagonal ring gear pitch curve three large diameter Mean lengths.
7. thrust plate according to claim 1, is characterized in that: r is the Mean length of ten planetary pinion root radiuses.
8. thrust plate according to claim 1, is characterized in that: the first assembly discharge orifice is overlapping completely with described first group of Olive Shape region perpendicular to the projection in the plane of motor spindle.
9. thrust plate according to claim 1, is characterized in that: the second assembly discharge orifice is overlapping completely with described second group of Olive Shape region perpendicular to the projection in the plane of motor spindle.
10. thrust plate according to claim 1, is characterized in that: the first assembly discharge orifice is perpendicular to being projected as circle or Olive Shape or oval or track type in the plane of motor spindle.
11. thrust plates according to claim 1, is characterized in that: the second assembly discharge orifice is perpendicular to being projected as circle or Olive Shape or oval or track type in the plane of motor spindle.
12. 1 kinds of oil hydraulic motors, is characterized in that: this motor contains the thrust plate in claim 1 ~ 9 described in any one.
CN201210186676.5A 2012-06-07 2012-06-07 Valve plate of square and hexagon type non-circular gear planetary gear train hydraulic motor and hydraulic motor Expired - Fee Related CN103362731B (en)

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CN105020092A (en) * 2015-07-16 2015-11-04 合肥集源穗意液压技术股份有限公司 Special-shape gear emulsion motor
CN109441709B (en) * 2018-10-30 2020-08-25 兰州理工大学 Compact type large-torque anti-pollution gear hydraulic motor
RU2746939C1 (en) * 2020-02-13 2021-04-22 Глеб Юрьевич Волков Planetary rotary volumetric machine

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CN1031214C (en) * 1992-10-26 1996-03-06 中国人民解放军第二炮兵工程学院 Hydraulic motor for non-circular epicyclic train
CN2163887Y (en) * 1993-08-12 1994-05-04 李建生 Non-round planetary low-speed large-torque hydraulic motor
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