CN105275735A - Non-circular planetary gear hydraulic motor for oil-emulsion medium - Google Patents
Non-circular planetary gear hydraulic motor for oil-emulsion medium Download PDFInfo
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- CN105275735A CN105275735A CN201410266336.2A CN201410266336A CN105275735A CN 105275735 A CN105275735 A CN 105275735A CN 201410266336 A CN201410266336 A CN 201410266336A CN 105275735 A CN105275735 A CN 105275735A
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Abstract
The invention discloses a non-circular planetary gear hydraulic motor for an oil-emulsion medium. The non-circular planetary gear hydraulic motor is composed of a motor shell, a non-circular planetary gear mechanism, a liquid dispensing device, a power take-off device and a rubber sealing system. According to the hydraulic motor, multiple innovative technologies are adopted for key technological contents such as whole structure arrangement, design of the non-circular planetary gear mechanism, technical parameter matching selection and determination, general condition guarantee of an oil-emulsion medium and the like, and technical problems of complex structure, large volume mass, low operational stability, short service life and the like which exist in a traditional structural hydraulic motor are well solved. The hydraulic motor of the invention has outstanding characteristics of advanced technology, compact structure, wide application range, large output torque, strong bearing capacity, small rotational inertia, flexible and convenient reversing and the like. The hydraulic motor can meet the requirement of the technical condition that high-tech hosting products are provided with high-performance hydraulic motors in many important technical fields and also can meet the safety condition requirement of operating in a flammable and combustible environment.
Description
Technical field
Patent of the present invention relates to a kind of hydraulic component, relates to a kind of oily newborn media general noncircular planetary gear hydraulic motor specifically.
Background technique
Hydraulics is that a kind of utilization has press liquid to do medium, realizes the advanced engineering of dynamic Control and transmission, counts when First hydraulic press was born in the world from 1795, the developing history of existing more than 200 year.Now, hydraulics has developed into a complete independently subject system, is the important component part of modern project technology, is widely used in development of the national economy every field, becomes one of important symbol of a National Industrial development and technical merit.
Oil hydraulic motor is the important execution components and parts in technical field of hydraulic pressure, medium pressure liquid can be directly changed into mechanical energy for driving loaded work piece parts, and application is very extensive, enjoys and in many ways pays close attention to.In oil hydraulic motor family, low speed high torque hydraulic motor because of its have that rotating speed is low, output torque is large, commutation fast and flexible, without the need to configuring the technical features such as speed reducer Direct driver loaded work piece parts, be that the main computer boxes such as engineering machinery, Hoisting Machinery, mining machinery, farm machinery, injection machine all must the complete sets of basic equipment components and parts of choice for use.
Low speed high torque hydraulic motor is through contrasting screening for a long time and developing perfect, define 4 kinds of structure types such as cycloidal type, blade type, plunger type, gear type gradually, substantially can meet the technical requirements of all kinds of main computer boxes in different technologies field, be still the supporting transmission part of first-selected main flow needing low speed rotation frequent break-in transmission main computer boxes so far.But, owing to being subject to the restriction of technical development stage, these traditional low speed high torque hydraulic motors, there is the defects such as complicated structure, volume mass are comparatively large, main frame difficulty in installation and layout, operation stability are low, volumetric machine efficiency is not high, working life is shorter in varying degrees all respectively, restrict or limit the application area of low speed high torque hydraulic motor.For adapting to modern advanced engineering development needs, a long time ago with regard to there being some western industrial developed countries promoting low speed high torque hydraulic motor technical merit, resolve the technological deficiency of existence and be classified as Major Scientific Research Projects research experiment.1977, first non-circular planetary gear mechanism was successfully applied in the overall construction design of oil hydraulic motor by scientist in Poland B.Sieniawski, and developed a kind of low speed high torque hydraulic motor of brand new form.The low speed high torque hydraulic motor of this structure type, constantly enriching to improve and improve through various countries engineers and technicians, develop into gradually there is compact overall structure, the new high-tech product of the outstanding feature such as volume mass is less, main frame mounting arrangements facilitates, operate steadily, volumetric machine efficiency is high, long service life.West Professional visitors is referred to as the oil hydraulic motor of this structure type for " noncircular planetary gear hydraulic motor ", and praise its " for the technological progress of low speed high torque hydraulic motor achieves new breakthrough ", " for the industry development of low speed high torque hydraulic motor opens new direction ".
Western industrial developed country relies on advanced science and technology and powerful manufacturing ability, through the development construction of short three more than ten years, applying of noncircular planetary gear hydraulic motor is developed rapidly, manufacturing ability obtains significant increase, and the company of large-scale transnational group that to be formed with German DUSTERIO company, Polish Günther Heidemann hydraulic power Co., Ltd, STAFFA company of Britain, French ripple Crane motor company, Italian CALZONT company, Japanese KAYAB company etc. be gradually representative.These companies of large-scale transnational group, make full use of technical advantage and powerful manufacturing abilities such as having trade mark, patent, technical standard, the not only technological development direction of standard guidance noncircular planetary gear hydraulic motor, and monopolization controls trading object and the transaction value of noncircular planetary gear hydraulic motor world market.
The low speed high torque hydraulic motor that China produces at present and applies, the overwhelming majority belongs to conventional configuration types, and gap is fairly obvious compared with the noncircular planetary gear hydraulic motor of advanced person, is difficult to the needs adapting to modern advanced engineering fast development.After entering 21st century, under the powerful dual-pressure of pouring in a large number with external product of the market demand promotes, China participates in institution of higher learning that noncircular planetary gear hydraulic motor develops, R&D institution and manufacturing enterprise directly and gets more and more, there are a lot of scientific achievement and patented technology to start open successively, but are still in technical know-how research or prototype test advanced development on the whole.Recent years, although existing several noncircular planetary gear hydraulic motor is put on market successively, substantially belong to Qualify Phase on probation, all do not form large-scale production ability in enormous quantities; You Jijia joint venture introduces the noncircular planetary gear hydraulic motor product that western industrial developed country technology is produced, still there is the defects such as tooth surface abrasion is very fast, bearing life is short, manufacturing difficulty is high, cost is large, the market competitiveness is low, therefore a lot of new and high technology main computer boxes of China needs the low speed high torque hydraulic motor of configuration, and most dependence is directly supporting from foreign procurement.
Patent long-term close of the present invention follows the tracks of latest scientific research and the technology trends of domestic and international noncircular planetary gear hydraulic motor technical field, produce and apply on low speed high torque hydraulic motor Shortcomings and weakness basis at present in earnest analytical study China, combine fast-developing universal high-water-based emulsion to corrode oil hydraulic motor simultaneously, leak, wearing and tearing, the requirements at the higher level that the technical problem such as to get rusty proposes, tightly around the integral arrangement arrangement of oil hydraulic motor, non-circular planetary gear mechanism design, operation technique Selecting parameter is determined, the key core technology contents such as the newborn media general condition of oil, take multinomial innovative technology measure targetedly, research and design goes out a kind of oily newborn media general noncircular planetary gear hydraulic motor.
Summary of the invention
The technical problem that patent quasi-solution of the present invention is determined.
Patent of the present invention produces and applies on low speed high torque hydraulic motor Shortcomings and weakness basis in earnest analytical study China at present, research and design go out a kind of non-circular planetary gear mechanism and oil hydraulic motor technology are carried out science integrating after, make it have compact overall structure, volume mass is little, main frame mounting arrangements is convenient, starting torque is large, rotary inertia is little, operate steadily, volumetric machine efficiency is high, long service life, the low speed high torque hydraulic motor of the outstanding technical features such as the newborn media general of oil, resolve the long-standing complex structure of conventional configuration types oil hydraulic motor, volume mass is large, main frame difficulty in installation and layout, operation stability is poor, volumetric machine efficiency is not high, working life shorter wait technical barrier.
The technological scheme that patent technical solution problem of the present invention is taked.
The technical problem that patent of the present invention solves, pre-to realize by the following technical programs: research and design goes out a kind of oil breast media general noncircular planetary gear hydraulic motor non-circular planetary gear mechanism combined with oil hydraulic motor technology, comprises the main working parts such as motor case, non-circular planetary gear mechanism, liquid dispensing device, power take-off, rubber seal system.
Described motor case, be designed to be made up of component such as motor casing, bottom end closure, front end glands, equal choice for use high strength anti-explosion aluminium alloy castings is processed into, and installs connecting fluid pressure motor all working parts to contain mode.Motor casing is provided with 2, left and right and enters Drainage pipe, is connected respectively by hydraulic hose with the hydraulicdirectional control valve of configuration, introduces or head pressure liquid; Regulate the turnover flow of pressured fluid, can effective hydraulic control motor rotary speed; Switch into the entering of Drainage pipe, drain location, can rapid translating pto＝power take-off sense of rotation.On motor casing inwall, be mounted with the hexagon ring gear of non-circular planetary gear mechanism, the tetragonal external tooth sun gear of non-circular planetary gear mechanism is connected with pto＝power take-off by shaft coupling steel ball; In the arranged on left and right sides of non-circular planetary gear mechanism, be mounted with the left and right liquor preparation disk of liquid dispensing device respectively, what be provided with by liquor preparation disk enters deploying fluid apertures, the Drainage pipe that enters be provided with motor casing is respectively connected with the airtight active chamber formed in non-circular planetary gear mechanism, bears flowing to or discharge function of pressured fluid.Motor casing bottom is mounted with the bearing support of power take-off, and bearing support is equipped with deep groove ball bearing, and the roller bearing of power take-off is equipped with in motor casing front end, and two pieces of bearings are all directly connected with pto＝power take-off.Bottom end closure and front end gland; be fixed on the end face of motor casing bottom and front end respectively by fastening Luo Ding; shape paired mounting is connected to the seal protection of all working parts in motor casing, forms the complete machine structure image of oily newborn media general noncircular planetary gear hydraulic motor.
Motor case choice for use high strength anti-explosion aluminium alloy castings is processed into, select to adopt the structural arrangement form installing connecting fluid pressure motor all working parts in containing mode, there is compact overall structure, lightweight, volume is little, main frame mounting arrangements is convenient, antirust erosion resistance is strong, the technical features such as anti-explosion safety performance is good, the technical specifications requirement of oil hydraulic motor safety work in inflammable and explosive environment can be met, also the technical performance needs that fast-developing universal high-water-based emulsion does pressured fluid can be adapted to, be conducive to expanding the application area expanding low speed high torque hydraulic motor.
Described non-circular planetary gear mechanism, be designed to be made up of a not rounded hexagon ring gear, not rounded quadrangle external tooth sun gear, ten cylindrical planetary gears, integral installation is arranged between left and right liquor preparation disk, hexagon ring gear is directly fixed on the inwall of motor casing, quadrangle external tooth sun gear is fixed on pto＝power take-off by shaft coupling steel ball, and cylindrical planetary gear mounting arrangements is between hexagon ring gear and tetragonal external tooth sun gear.Non-circular planetary gear mechanism, by gear teeth meshing form, cylindrical planetary gear is connected simultaneously with tetragonal external tooth sun gear with hexagon ring gear, realize tight sliding contact comprehensively by adjacent 2 cylindrical planetary gears, hexagon ring gear, the arranged on left and right sides increment of tetragonal external tooth sun gear and the left and right liquor preparation disk of liquid dispensing device, 10 that form oil hydraulic motor seal airtight active chamber firmly.When oil hydraulic motor runs, the tangential unbalanced force being passed in and out pressure reduction by pressured fluid produces powerful moment of torsion, promotes cylindrical planetary gear and produces rotation, and it is mobile to carry out revolution around tetragonal external tooth sun gear; Adjacent 2 cylindrical planetary gears are in revolution moving process, can successively open or cover left and right liquor preparation disk is respectively equipped with enter deploying fluid apertures, pilot pressure liquid carries out continuously flowing to or discharging repeatedly in airtight active chamber, and the pressured fluid volume generating period in airtight active chamber is changed.The transfer process that each airtight active chamber internal pressure liquid repeatedly flows to continuously, discharges, promotes cylindrical planetary gear exactly and carries out successive rotation and revolution moving process; In this process, cylindrical planetary gear drive quadrangle external tooth sun gear produces and successively rotates, and drives pto＝power take-off to carry out synchronous rotary output torque by shaft coupling steel ball.Research and design goes out the non-circular planetary gear mechanism of this structural arrangement form, there is compact structure, output torque be large, bearing capacity is strong, rotary inertia is little, stable and smooth operation, the outstanding technical feature such as commutation is flexible, volumetric machine efficiency is high, long service life, the technical specifications requirement of most new and high technology main computer boxes configuration low speed high torque hydraulic motor in some important technology fields of China can be met, import substitutes.
In the non-circular planetary gear mechanism of research and design, key core technology designs the calculating of dentition; Screen through conscientious investigation and comparison, select to determine to adopt double are curve fitting method, appliance computer MATLAB software makees instrument, carries out calculating design to the dentition of non-circular planetary gear mechanism.Select to adopt this Method and kit for, premised on non-circular gear pitch curve arc length equals an integer sector length, condition totally can calculate design, be conducive to the number of teeth and be uniformly distributed, and calculating of deriving be accurately simple, be convenient to practical application, noncircular gear machining manufacture difficulty can be reduced; Also be conducive to according to non-circular gear pitch curve relevant rudimentary data, select to determine suitable addendum coefficient and increment gap factor according to oil hydraulic motor operating environmental condition, optimize other basic parameters such as modulus, tooth normal, profile of tooth calculating and design noncircular gear.This Method and kit for is adopted to calculate the non-circular planetary gear mechanism of design, theoretical foundation science is correct, calculate design result accurately reliable, be convenient to detect and check checking, overall technology level and the designing quality of oil hydraulic motor can being guaranteed, also robust techniques being provided to support guarantee for implementing retrofit manufacture programming.
Described liquid dispensing device, selects to adopt by left and rightly two-wayly flowing to pressured fluid respectively, discharging the dosing technology controlled; Global design becomes to be made up of left and right two pieces of liquor preparation disks that structure shape is identical, be fixed on the motor casing inwall of the non-circular planetary gear mechanism left and right sides respectively in the opposite direction, keep tight sliding contact comprehensively with the left and right sides increment of non-circular planetary gear mechanism; On left and right two pieces of liquor preparation disks, respectively be provided with 6 bear respectively pressured fluid flow to or discharge function enter deploying fluid apertures, each enter the two ends of deploying fluid apertures, the Drainage pipe that enters be provided with motor casing is respectively connected with the airtight active chamber formed in non-circular planetary gear mechanism.
In the liquor preparation disk of research and design, key core technology carries out calculating layout design to the position and aperture of entering deploying fluid apertures.Entering deploying fluid apertures, is unique passage that pressured fluid flow to or discharged that airtight active chamber drives oil hydraulic motor work, enters the unlatching of deploying fluid apertures or covers all by root circle control in revolution is mobile of cylindrical planetary gear; The revolution motion track of cylindrical planetary gear is identical with the pitch curve shape of hexagon ring gear and keep equidistant.Enter deploying fluid apertures position, arrange on the equidistant curve position of hexagon ring gear pitch curve by cylindrical planetary Gear Root circle radius, simultaneously appliance computer do instrument calculate design each enter the particular location of deploying fluid apertures; The technical requirements of entering deploying fluid apertures position is: carry out in revolution movement at adjacent 2 the cylindrical planetary gears of the airtight active chamber of composition, when correct before a rear position circle cylindricality planetary pinion root circle be in can cover completely a kind of function enter on the position of deploying fluid apertures time, correct after last position circle cylindricality planetary pinion root circle can be made to be in simultaneously and just open another kind of function and enter on the position of deploying fluid apertures.What calculate design enters deploying fluid apertures position, when in Neng Shi non-circular planetary gear mechanism, airtight active chamber internal pressure liquid volume reaches minimum volume, bear pressured fluid discharge function enter deploying fluid apertures be just in time combined into this airtight active chamber after cylindrical planetary Gear Root circle front end on a position cover completely, pressured fluid can not be discharged again; Correct after meanwhile forming the cylindrical planetary Gear Root circle on this last position of airtight active chamber to be in and bear pressured fluid and flow to entering on position that deploying fluid apertures has just been unlocked of function, pressured fluid starts to flow in this airtight active chamber; Along with the successive revolution of cylindrical planetary gear is mobile, bear the deploying fluid apertures of entering that pressured fluid flows to function and opened until open completely gradually, the volume that pressured fluid flows in airtight active chamber increases gradually until reach maximum volume.And when active chamber internal pressure liquid volume airtight in non-circular planetary gear mechanism reaches maximum volume, cylindrical planetary Gear Root after forming this airtight active chamber on a position justifies front end, just in time mobile the running to of revolution is born pressured fluid and is flow to function and enter on the position that deploying fluid apertures is completely obscured, and pressured fluid can not flow to again; Meanwhile form cylindrical planetary Gear Root circle rear end on this last position of airtight active chamber but just in time mobile the running to of revolution bear the entering on position that deploying fluid apertures has just been unlocked of pressured fluid discharge function, pressured fluid starts to discharge this airtight active chamber; Along with the successive revolution of cylindrical planetary gear is mobile, the deploying fluid apertures of entering bearing pressured fluid discharge function is opened until open completely gradually, and the pressured fluid volume in airtight active chamber reduces gradually until reach minimum volume.Pressured fluid passes through in airtight active chamber, to carry out continuously flowing to repeatedly into deploying fluid apertures, discharge, and goes round and begins again, completes and drive oil hydraulic motor to realize successive rotating operation.Enter deploying fluid apertures aperture, from reduction resistance, reduce pressure loss angle, enter deploying fluid apertures aperture to be the bigger the better, but owing to being subject to the restriction of cylindricality planetary pinion root circle, excessive may the causing in aperture can not be opened completely into deploying fluid apertures in good time or cover, very easily there is high low pressure airtight active chamber and the ride quality problem such as to gang up, oil hydraulic motor efficiency can be reduced on the contrary; Aperture is too small must increase drag losses, reduces oil hydraulic motor efficiency.Through conscientiously researching and analysing, take the maximum area by 2 cylindrical planetary Gear Root circle intersections, calculating the aperture designed into deploying fluid apertures is optimal selection.
Research and design goes out the liquid dispensing device of this structural arrangement form, successfully achieve by a left side, the right side is two-way to be flow to pressured fluid respectively, discharge the advanced dosing technology carrying out controlling, there is rotary inertia little, good operation stability, commutation is flexible, the more high outstanding technical feature of volumetric machine efficiency, solve preferably and can not open completely into deploying fluid apertures in good time or cover, the airtight active chamber of high low pressure is ganged up, even there is latch, the ride quality problems such as de-tooth, oil hydraulic motor efficiency and working life are increased substantially, the technical specifications requirement of China's most new and high technology main computer boxes configuration low speed high torque hydraulic motor can be met, also the dosing technology needs of oily newborn media general can be adapted to.
Described power take-off, is made up of component such as bearing support, deep groove ball bearing, roller bearing, pto＝power take-off, shaft coupling steel ball, pto＝power take-off retaining ring, packing ring, back-up ring, adjustment pad, lock washer, locking nuts.Bearing support is fixed on motor casing bottom, and leading flank tightly contacts with left liquor preparation disk comprehensively firmly, and bearing support is provided with and is connected with the deploying fluid apertures of entering on left liquor preparation disk with the Drainage pipe that enters on motor casing respectively into Drainage pipe.Deep groove ball bearing is fixed on bearing support, and roller bearing is fixed on motor casing front end, and two pieces of bearings are all connected and fixed with pto＝power take-off, and supporting motive force output shaft rotates outputting power.Pto＝power take-off is connected and fixed by shaft coupling steel ball and tetragonal external tooth sun gear, accepts the moment of torsion outputting power transmitting the generation of non-circular planetary gear mechanism.Pto＝power take-off retaining ring mounting arrangements is in the locking trough that pto＝power take-off front end is provided with, left surface tightly contacts with right liquor preparation disk comprehensively firmly, right flank successively mounting arrangements has the component such as packing ring, roller bearing, after the compacting of premenstrual side pressure lid is fixing, effectively can prevent the axial float controlling pto＝power take-off generation.Back-up ring mounting arrangements is at Power output shaft rear end, and right flank tightly contacts with left liquor preparation disk comprehensively firmly, and left surface successively mounting arrangements has component such as regulating pad, deep groove ball bearing, lock washer; By increase and decrease spacer sheet mode, effectively can adjust the increment gap of Control Shaft bearing mounting point and non-circular planetary gear mechanism, adjust suitable rear locking nut and be locked, close with bottom end closure compacting.
Research and design goes out the power take-off of this structural arrangement form, the outstanding technical feature such as have simple and compact for structure, stable and smooth operation, maintenance is easy to adjust, rotary inertia is little, kinetic equation loss is few, can meet the technical specifications requirement of China's most new and high technology main computer boxes configuration low speed high torque hydraulic motor.
Described rubber seal system, it is the technical specifications requirement proposed according to the newborn media general function of oil hydraulic motor oil, by typical rubber Sealings such as choice for use rubber oil seal with reinforce, O shape rubber seal rings, in oil hydraulic motor integral arrangement, form a kind of complete seal processing system that can carry out effective Leakage prevention to pressured fluid, ooze out.Have for the high-water-based emulsion that oil hydraulic motor is conventional that molecular weight is little, kinematical viscosity is low, very easily leak physical property features such as oozing out, at pto＝power take-off and the part such as left and right liquor preparation disk endoporus, front end gland axis hole to rotate on the position of Dynamic link library, employing arranges equipped rubber oil seal with reinforce engineering means, to likely carrying out encapsulation process along pto＝power take-off surface leakage, the pressured fluid that oozes out.On the cylindrical position that motor casing and the parts such as hexagon ring gear, left and right liquor preparation disk, bearing support are connected with static state, within pto＝power take-off and tetragonal external tooth sun gear are connected with static state on hole site, on the corner location that the card of bearing support and left liquor preparation disk, boss tightly contact firmly with static state, employing arranges equipped O shape rubber seal ring engineering means, carries out encapsulation process to the pressured fluid likely leaking along direct contact liquid part surface, ooze out.
Research and design goes out the rubber seal system of this structural arrangement form, there is thorough tight, the technical measures economical and effective of sealing system, repair and replacement easily convenient, the outstanding feature such as leakage flow is few, the pressure loss is little, the technical requirements condition of the newborn media general of oil hydraulic motor oil can be met.
The advantage that patent of the present invention has and the effect reached.
(1) non-circular planetary gear mechanism and oil hydraulic motor technology are successfully carried out science integrating by patent of the present invention, research and design goes out a kind of low speed high torque hydraulic motor of brand new type, there is compact overall structure, volume mass is little, main frame mounting arrangements is convenient, output torque is large, bearing capacity is strong, rotary inertia is little, stable and smooth operation, commutation is flexible, volumetric machine efficiency is high, the outstanding features such as long service life, the technical specifications requirement of a lot of key areas new and high technology main computer boxes configuration high-performance low speed high torque hydraulic motor can be met, import substitutes.
(2) patent of the present invention is selected to adopt double are curve fitting method, appliance computer MATLAB software makees instrument, research and design goes out low speed high torque hydraulic motor key core workpiece non-circular planetary gear mechanism, theoretical foundation science is correct, calculate design result accurately reliable, be convenient to detect and check checking, not only can ensure designing quality and the technical merit of the oil breast media general noncircular planetary gear hydraulic motor of research and design, but also reliable technical support guarantee can be provided for implementing retrofit manufacture programming.
(3) patent of the present invention is selected to adopt and left and rightly two-wayly to be flow to pressured fluid respectively, discharge the dosing technology controlled, there is the technical features such as rotary inertia is little, stable and smooth operation, commutation is flexible, volumetric machine efficiency is high, pressure resistance loss is little, solve preferably oil hydraulic motor extremely incident enter the ride quality problem such as deploying fluid apertures can not be opened in good time or cover, the airtight active chamber of high low pressure is ganged up, latch even occurs, de-tooth, the dosing technical specifications requirement of oily newborn media general can be adapted to.
(4) patent choice for use high strength anti-explosion aluminium alloy castings of the present invention is processed into hydraulic motor shell, the structural arrangement form connecting all working parts is installed in containing mode, features such as there is compact overall structure, lightweight, volume is little, main frame mounting arrangements is convenient, the technical specifications requirement of oil hydraulic motor safety work in inflammable and explosive environment can be met, expand the application area of low speed high torque hydraulic motor.
Accompanying drawing explanation
Accompanying drawing 1: oily newborn media general noncircular planetary gear hydraulic motor structural configuration schematic diagram.
Accompanying drawing 2: non-circular planetary gear mechanism structure arranges schematic diagram.
Accompanying drawing 3: power take-off structural configuration schematic diagram.
Description of symbols in accompanying drawing: 1-front end gland; 2-motor shell is stopped; 3-right liquor preparation disk; 4-non-circular planetary gear mechanism; 5-bearing support; 6-bottom end closure; 7-pto＝power take-off; 8-left liquor preparation disk; 9-enter deploying fluid apertures; 10-O shape rubber seal ring; 11-enter Drainage pipe; 12-rubber oil seal with reinforce; 13-hexagon ring gear; 14-tetragonal external tooth sun gear; 15-cylindrical planetary gear; 16-locking nut; 17-lock washer; 18-deep groove ball bearing; 19-regulate pad; 20-back-up ring; 21-shaft coupling steel ball; 22-pto＝power take-off retaining ring; 23-packing ring; 24-roller bearing.
Embodiment
As shown in Figure 1, the oil breast media general noncircular planetary gear hydraulic motor of patent research design of the present invention, comprises the main working parts such as motor case, non-circular planetary gear mechanism (4), liquid dispensing device, power take-off, rubber seal system.
As shown in Figure 1, described motor case, be designed to be made up of component such as motor casing (2), bottom end closure (6), front end glands (1), equal choice for use high strength anti-explosion aluminium alloy castings is processed into, and installs connecting fluid pressure motor all working parts to contain mode; Motor casing (2) is provided with 2, left and right and enters Drainage pipe (11), is connected respectively by hydraulic hose with the hydraulicdirectional control valve of configuration, introduces or head pressure liquid.On motor casing (2) inwall, be mounted with the hexagon ring gear (13) of non-circular planetary gear mechanism (4), the tetragonal external tooth sun gear (14) of non-circular planetary gear mechanism (4) is connected with pto＝power take-off (7) by shaft coupling steel ball (21); In the arranged on left and right sides of non-circular planetary gear mechanism (4), be mounted with the left and right liquor preparation disk (8 of liquid dispensing device respectively, 3), by liquor preparation disk (8,3) what be provided with enters deploying fluid apertures (9), the Drainage pipe (11) that enters be provided with motor casing (2) is respectively connected with the airtight active chamber formed in non-circular planetary gear mechanism (4), bears flowing to or discharge function of pressured fluid.Motor casing (2) bottom is mounted with the bearing support (5) of power take-off, deep groove ball bearing (18) bearing support (5) is equipped with, the roller bearing (24) of power take-off is equipped with in motor casing (2) front end, and two pieces of bearings are all directly connected with pto＝power take-off (7).Bottom end closure (6) and front end gland (1); be fixed on the end face of motor casing (2) bottom and front end respectively by fastening Luo Ding; shape paired mounting is connected to the seal protection of the interior all working parts of motor casing (2), forms the complete machine structure image of oily newborn media general noncircular planetary gear hydraulic motor.
As accompanying drawing 1, shown in accompanying drawing 2, described non-circular planetary gear mechanism (4), be designed to by a not rounded hexagon ring gear (13), not rounded quadrangle external tooth sun gear (14), ten cylindrical planetary gear (15) compositions, integral installation is arranged in a left side, right liquor preparation disk (8, 3) between, hexagon ring gear (13) is directly fixed on the inwall of motor casing (2), quadrangle external tooth sun gear (14) is fixed on pto＝power take-off (7) by shaft coupling steel ball (21), cylindrical planetary gear (15) mounting arrangements is between hexagon ring gear (13) and tetragonal external tooth sun gear (14).Non-circular planetary gear mechanism (4), by gear teeth meshing form, cylindrical planetary gear (15) is connected simultaneously with hexagon ring gear (13), tetragonal external tooth sun gear (14), by adjacent 2 cylindrical planetary gears (15), hexagon ring gear (13), the arranged on left and right sides increment of tetragonal external tooth sun gear (14) and the left and right liquor preparation disk (8 of liquid dispensing device, 3) realize tight sliding contact comprehensively, form 10 airtight active chambers of hard sealing of oil hydraulic motor.When oil hydraulic motor runs, the tangential unbalanced force being passed in and out pressure reduction by pressured fluid produces powerful moment of torsion, promotes cylindrical planetary gear (15) and produces rotation, and it is mobile to carry out revolution around tetragonal external tooth sun gear (14); Adjacent 2 cylindrical planetary gears (15) are in revolution moving process, can successively open or cover left and right liquor preparation disk (8,3) what be respectively equipped with on enters deploying fluid apertures (9), pilot pressure liquid carries out continuously flowing to or discharging repeatedly in airtight active chamber, and the pressured fluid volume generating period in airtight active chamber is changed.The transfer process that each airtight active chamber internal pressure liquid repeatedly flows to continuously, discharges, promotes cylindrical planetary gear (15) exactly and carries out successive rotation and revolution moving process; In this process, cylindrical planetary gear (15) drives the generation of tetragonal external tooth sun gear (14) successively to rotate, and drives pto＝power take-off (7) to carry out synchronous rotary output torque by shaft coupling steel ball (21).
The non-circular planetary gear mechanism (4) of research and design, select to adopt double are curve fitting method, appliance computer MATLAB software makees instrument, equals condition premised on an integer sector length, totally calculate design to the dentition of non-circular planetary gear mechanism (4) by non-circular gear pitch curve arc length; According to non-circular gear pitch curve relevant rudimentary data, select to determine suitable addendum coefficient and increment gap factor, optimize other basic parameters such as modulus, tooth normal, profile of tooth calculating and design noncircular gear.
As shown in Figure 1, described liquid dispensing device, selects to adopt by left and rightly two-wayly flowing to pressured fluid respectively, discharging the dosing technology controlled; Global design becomes by the identical left and right two pieces of liquor preparation disks (8 of structure shape, 3) form, be fixed on motor casing (2) inwall of non-circular planetary gear mechanism (4) left and right sides respectively in the opposite direction, keep tight sliding contact comprehensively with the left and right sides increment of non-circular planetary gear mechanism (4); Left and right two pieces of liquor preparation disks (8,3) on, respectively be provided with 6 bear respectively pressured fluid flow to or discharge function enter deploying fluid apertures (9), each enter the two ends of deploying fluid apertures (9), the Drainage pipe (11) that enters be provided with motor casing (2) is respectively connected with the airtight active chamber formed in non-circular planetary gear mechanism (4).Enter deploying fluid apertures (9) position, by cylindrical planetary gear (15) root radius, the equidistant curve position of hexagon ring gear (13) pitch curve arranged, appliance computer do instrument calculate design each enter the particular location of deploying fluid apertures (9); Each enter the technical requirements that should meet of deploying fluid apertures (9) particular location be: carry out in revolution movement adjacent 2 the cylindrical planetary gears (15) of the airtight active chamber of composition, when correct before rear position circle cylindricality planetary pinion (15) root circle be in can cover completely a kind of function enter on the position of deploying fluid apertures (9) time, correct after last position circle cylindricality planetary pinion (15) root circle can be made to be in simultaneously and just open another kind of function and enter on the position of deploying fluid apertures (9).Enter deploying fluid apertures (9) aperture, by the maximum area of 2 cylindrical planetary gear (15) root circle intersections, it is optimal selection that calculating designs into deploying fluid apertures (9) aperture.
As shown in accompanying drawing 1, accompanying drawing 3, described power take-off, by bearing support (5), deep groove ball bearing (18), roller bearing (24), pto＝power take-off (7), shaft coupling steel ball (21), pto＝power take-off retaining ring (22), packing ring (23), back-up ring (20), regulates the component such as pad (19), lock washer (17), locking nut (16) to form.Bearing support (5) is fixed on motor casing (2) bottom, leading flank tightly contacts with left liquor preparation disk (8) comprehensively firmly, and what bearing support was provided with enter Drainage pipe (11) is connected with the deploying fluid apertures (9) of entering on left liquor preparation disk (8) with the Drainage pipe (11) that enters on motor casing (2) respectively.Deep groove ball bearing (18) is fixed on bearing support (5), and roller bearing (24) is fixed on motor casing (2) front end, and two pieces of bearings are all connected and fixed with pto＝power take-off (7), and supporting motive force output shaft (7) rotates outputting power.Pto＝power take-off (7) is connected and fixed by shaft coupling steel ball (21) and tetragonal external tooth sun gear (14), accepts the moment of torsion outputting power that transmission non-circular planetary gear mechanism (4) produces.Pto＝power take-off retaining ring (22) mounting arrangements is in the locking trough that pto＝power take-off (7) front end is provided with, left surface tightly contacts with right liquor preparation disk (3) comprehensively firmly, right flank successively mounting arrangements has the component such as packing ring (23), roller bearing (24), after the compacting of premenstrual side pressure lid (1) is fixing, effectively can prevent the axial float that control pto＝power take-off (7) produces.Back-up ring (20) mounting arrangements is in pto＝power take-off (7) rear end, and right flank tightly contacts with left liquor preparation disk (8) comprehensively firmly, and left surface successively mounting arrangements has the component such as adjustment pad (19), deep groove ball bearing (18), lock washer (17); Regulate pad (19) mode by increase and decrease, effectively can adjust the increment gap of Control Shaft bearing (5) mounting point and non-circular planetary gear mechanism (4), adjust suitable rear locking nut (16) and be locked, close with bottom end closure (6) compacting.
As shown in Figure 1, described rubber seal system, it is the technical specifications requirement proposed according to the newborn media general function of oil hydraulic motor oil, at pto＝power take-off (7) and left and right liquor preparation disk (8,3) part such as endoporus, front end gland (1) axis hole is to rotate on the position of Dynamic link library, employing arranges equipped rubber oil seal with reinforce (12) engineering means, to likely carrying out encapsulation process along pto＝power take-off (7) surface leakage, the pressured fluid that oozes out.At motor casing (2) and hexagon ring gear (13), left and right liquor preparation disk (8,3) on the cylindrical position that, the part such as bearing support (5) connects with static state, within pto＝power take-off (7) and tetragonal external tooth sun gear (14) are connected with static state on hole site, on the corner location that card in bearing support (5) and left liquor preparation disk (8), boss tightly contact firmly with static state, employing arranges equipped O shape rubber seal ring (10) engineering means, carries out encapsulation process to the pressured fluid likely leaking along direct contact liquid part surface, ooze out.
Claims (5)
1. the newborn media general noncircular planetary gear hydraulic motor of oil, it is characterized in that: this oily newborn media general noncircular planetary gear hydraulic motor, comprises motor case, non-circular planetary gear mechanism (4), liquid dispensing device, power take-off, rubber seal system; Described motor case, be designed to be made up of motor casing (2), bottom end closure (6), front end gland (1), choice for use high strength anti-explosion aluminium alloy castings is processed into, and installs connecting fluid pressure motor all working parts to contain mode; Motor casing (2) is provided with 2, left and right and enters Drainage pipe (11), is connected respectively by hydraulic hose with the hydraulicdirectional control valve of configuration, introduces or head pressure liquid; On motor casing (2) inwall, be mounted with the hexagon ring gear (13) of non-circular planetary gear mechanism (4), the tetragonal external tooth sun gear (14) of non-circular planetary gear mechanism (4) is connected with pto＝power take-off (7) by shaft coupling steel ball (21); In the arranged on left and right sides of non-circular planetary gear mechanism (4), be mounted with the left and right liquor preparation disk (8 of liquid dispensing device respectively, 3), liquor preparation disk (8,3) Drainage pipe (11) that enters that deploying fluid apertures (9) is provided with motor casing (2) respectively that enters be provided with is connected with the airtight active chamber formed in non-circular planetary gear mechanism (4), bears flowing to or discharge function of pressured fluid; Motor casing (2) bottom is mounted with the bearing support (5) of power take-off, deep groove ball bearing (18) bearing support (5) is equipped with, roller bearing (24) is equipped with in motor casing (2) front end, and two pieces of bearings are all directly connected with pto＝power take-off (7); Bottom end closure (6) and front end gland (1); be fixed on the end face of motor casing (2) bottom and front end respectively by fastening Luo Ding; shape paired mounting is connected to the seal protection of the interior all working parts of motor casing (2), forms the complete machine structure image of oily newborn media general noncircular planetary gear hydraulic motor.
2. the oily newborn media general noncircular planetary gear hydraulic motor of one according to claim 1, it is characterized in that: described non-circular planetary gear mechanism (4), be designed to by a not rounded hexagon ring gear (13), not rounded quadrangle external tooth sun gear (14), ten cylindrical planetary gear (15) compositions, integral installation is arranged in a left side, right liquor preparation disk (8, 3) between, hexagon ring gear (13) is directly fixed on the inwall of motor casing (2), quadrangle external tooth sun gear (14) is fixed on pto＝power take-off (7) by shaft coupling steel ball (21), cylindrical planetary gear (15) mounting arrangements is between hexagon ring gear (13) and tetragonal external tooth sun gear (14), non-circular planetary gear mechanism (4), by gear teeth meshing form, cylindrical planetary gear (15) is connected simultaneously with hexagon ring gear (13), tetragonal external tooth sun gear (14), by adjacent 2 cylindrical planetary gears (15), hexagon ring gear (13), the arranged on left and right sides increment of tetragonal external tooth sun gear (14) and the left and right liquor preparation disk (8 of liquid dispensing device, 3) realize tight sliding contact comprehensively, form 10 airtight active chambers of hard sealing of oil hydraulic motor, when oil hydraulic motor runs, the tangential unbalanced force being passed in and out pressure reduction by pressured fluid produces powerful moment of torsion, promotes cylindrical planetary gear (15) and produces rotation, and it is mobile to carry out revolution around tetragonal external tooth sun gear (14), adjacent 2 cylindrical planetary gears (15) are in revolution moving process, can successively open or cover left and right liquor preparation disk (8,3) what be respectively equipped with on enters deploying fluid apertures (9), pilot pressure liquid carries out continuously flowing to or discharging repeatedly in airtight active chamber, and the pressured fluid volume generating period in airtight active chamber is changed, in this process, cylindrical planetary gear (15) drives the generation of tetragonal external tooth sun gear (14) successively to rotate, and drives pto＝power take-off (7) to carry out synchronous rotary output torque by shaft coupling steel ball (21), non-circular planetary gear mechanism (4) selects to adopt double are curve fitting method, appliance computer MATLAB software makees instrument, condition premised on an integer sector length is equaled by non-circular gear pitch curve arc length, totally design is calculated to the dentition of non-circular planetary gear mechanism (4), according to non-circular gear pitch curve relevant rudimentary data, select to determine suitable addendum coefficient and increment gap factor, optimize other basic parameters such as modulus, tooth normal, profile of tooth calculating and design noncircular gear.
3. the oily newborn media general noncircular planetary gear hydraulic motor of one according to claim 1, is characterized in that: described liquid dispensing device, selects to adopt by left and rightly two-wayly flowing to pressured fluid respectively, discharging the dosing technology controlled, global design becomes by the identical left and right two pieces of liquor preparation disks (8 of structure shape, 3) form, be fixed on motor casing (2) inwall of non-circular planetary gear mechanism (4) left and right sides respectively in the opposite direction, keep tight sliding contact comprehensively with the left and right sides increment of non-circular planetary gear mechanism (4), left and right two pieces of liquor preparation disks (8,3) on, respectively be provided with 6 bear respectively pressured fluid flow to or discharge function enter deploying fluid apertures (9), each enter the two ends of deploying fluid apertures (9), the Drainage pipe (11) that enters be provided with motor casing (2) is respectively connected with the airtight active chamber formed in non-circular planetary gear mechanism (4), enter deploying fluid apertures (9) position, by cylindrical planetary gear (15) root radius, the equidistant curve position of hexagon ring gear (13) pitch curve is arranged, appliance computer do instrument calculate design each enter the particular location of deploying fluid apertures (9), each enter the technical requirements that should meet of deploying fluid apertures (9) particular location be: carry out in revolution movement adjacent 2 the cylindrical planetary gears (15) of the airtight active chamber of composition, when correct before rear position circle cylindricality planetary pinion (15) root circle be in can cover completely a kind of function enter on the position of deploying fluid apertures (9) time, correct after making last position circle cylindricality planetary pinion (15) root circle to be in simultaneously and just open another kind of function and enter on the position of deploying fluid apertures (9), enter deploying fluid apertures (9) aperture, by the maximum area of 2 cylindrical planetary gear (15) root circle intersections, it is optimal selection that calculating designs into deploying fluid apertures (9) aperture.
4. the oily newborn media general noncircular planetary gear hydraulic motor of one according to claim 1, it is characterized in that: described power take-off, be made up of bearing support (5), deep groove ball bearing (18), roller bearing (24), pto＝power take-off (7), shaft coupling steel ball (21), pto＝power take-off retaining ring (22), packing ring (23), back-up ring (20), adjustment pad (19), lock washer (17), locking nut (16); Bearing support (5) is fixed on motor casing (2) bottom, leading flank tightly contacts with left liquor preparation disk (8) comprehensively firmly, what bearing support was provided with enters Drainage pipe (11), is connected respectively with the Drainage pipe (11) that enters on motor casing (2) with the deploying fluid apertures (9) of entering on left liquor preparation disk (8); Deep groove ball bearing (18) is fixed on bearing support (5), and roller bearing (24) is fixed on motor casing (2) front end, and two pieces of bearings are all connected and fixed with pto＝power take-off (7), and supporting motive force output shaft (7) rotates outputting power; Pto＝power take-off (7) is connected and fixed by shaft coupling steel ball (21) and tetragonal external tooth sun gear (14), accepts the moment of torsion outputting power that transmission non-circular planetary gear mechanism (4) produces; Pto＝power take-off retaining ring (22) mounting arrangements is in the locking trough that pto＝power take-off (7) front end is provided with, left surface tightly contacts with right liquor preparation disk (3) comprehensively firmly, right flank successively mounting arrangements has packing ring (23), roller bearing (24), after the compacting of premenstrual side pressure lid (1) is fixing, effectively can prevent the axial float that control pto＝power take-off (7) produces; Back-up ring (20) mounting arrangements is in pto＝power take-off (7) rear end, and right flank tightly contacts with left liquor preparation disk (8) comprehensively firmly, and left surface successively mounting arrangements has adjustment pad (19), deep groove ball bearing (18), lock washer (17); Regulate pad (19) mode by increase and decrease, effectively can adjust the increment gap of Control Shaft bearing (5) mounting point and non-circular planetary gear mechanism (4), adjust suitable rear locking nut (16) and be locked, close with bottom end closure (6) compacting.
5. the oily newborn media general noncircular planetary gear hydraulic motor of one according to claim 1, it is characterized in that: described rubber seal system, at pto＝power take-off (7) and left and right liquor preparation disk (8,3) endoporus, front end gland (1) axis hole are to rotate on the position of Dynamic link library, employing arranges equipped rubber oil seal with reinforce (12) engineering means, to likely carrying out encapsulation process along pto＝power take-off (7) surface leakage, the pressured fluid that oozes out; At motor casing (2) and hexagon ring gear (13), left and right liquor preparation disk (8,3) on the cylindrical position that, bearing support (5) connects with static state, within pto＝power take-off (7) and tetragonal external tooth sun gear (14) are connected with static state on hole site, on the corner location that card in bearing support (5) and left liquor preparation disk (8), boss tightly contact firmly with static state, employing arranges equipped O shape rubber seal ring (10) engineering means, carries out encapsulation process to the pressured fluid likely leaking along direct contact liquid part surface, ooze out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410266336.2A CN105275735A (en) | 2014-06-16 | 2014-06-16 | Non-circular planetary gear hydraulic motor for oil-emulsion medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410266336.2A CN105275735A (en) | 2014-06-16 | 2014-06-16 | Non-circular planetary gear hydraulic motor for oil-emulsion medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL425121A1 (en) * | 2018-04-04 | 2019-10-07 | Moj Spółka Akcyjna | Satellite hydraulic engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210643A (en) * | 1998-01-27 | 1999-08-03 | Shimadzu Corp | Gear pump or motor |
| CN2758544Y (en) * | 2004-10-20 | 2006-02-15 | 张态成 | Planetary pinwheel cycloidal hydraulic motor |
| CN201236769Y (en) * | 2008-06-22 | 2009-05-13 | 杨斌 | Multi-gear hydraulic motor |
-
2014
- 2014-06-16 CN CN201410266336.2A patent/CN105275735A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210643A (en) * | 1998-01-27 | 1999-08-03 | Shimadzu Corp | Gear pump or motor |
| CN2758544Y (en) * | 2004-10-20 | 2006-02-15 | 张态成 | Planetary pinwheel cycloidal hydraulic motor |
| CN201236769Y (en) * | 2008-06-22 | 2009-05-13 | 杨斌 | Multi-gear hydraulic motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL425121A1 (en) * | 2018-04-04 | 2019-10-07 | Moj Spółka Akcyjna | Satellite hydraulic engine |
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