CN204003262U - The newborn media general noncircular planetary gear hydraulic motor of oil - Google Patents
The newborn media general noncircular planetary gear hydraulic motor of oil Download PDFInfo
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- CN204003262U CN204003262U CN201420318835.7U CN201420318835U CN204003262U CN 204003262 U CN204003262 U CN 204003262U CN 201420318835 U CN201420318835 U CN 201420318835U CN 204003262 U CN204003262 U CN 204003262U
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Abstract
The open a kind of oily newborn media general noncircular planetary gear hydraulic motor of the utility model, is made up of motor shell, non-circular planetary gear wood structure, liquid dispensing device, power take-off, rubber seal system.On the key core technology contents such as this oil hydraulic motor is determined by calculate design, technical parameter match selection in integral arrangement arrangement, non-circular planetary gear mechanism, oily newborn media general condition guarantee, adopt multinomial innovative technology, solved preferably the technical barriers such as complex structure, volume mass that conventional construction oil hydraulic motor exists are large, operation stability is low, working life is shorter; Possess skills advanced, applied widely, compact structure, output torque is large, bearing capacity is strong, can meet the technical specifications requirement of important technology field new and high technology main computer boxes configuration high performance hydraulic motor, also can adapt to the safety condition needs in inflammable and explosive environment operation.
Description
Technical field
The utility model relates to a kind of hydraulic pressure components and parts, relates to specifically a kind of oily newborn media general noncircular planetary gear hydraulic motor.
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 the developing history of existing more than 200 year when First hydraulic press was born in the world from 1795.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 hydraulics field, medium pressure liquid can be directly changed into mechanical energy for driving loaded work piece parts, applies very extensively, enjoys in many ways and to pay close attention to.In oil hydraulic motor family, low speed high torque hydraulic motor because it has that rotating speed is low, output torque is large, commutation fast and flexible, directly drive the technical features such as loaded work piece parts without configuration speed reducer, be the complete sets of basic equipment components and parts that the main computer boxes such as engineering machinery, Hoisting Machinery, mining machinery, farm machinery, injection machine all must choice for use.
Low speed high torque hydraulic motor is through contrasting for a long time screening and developing perfect, 4 kinds of structure types such as cycloidal type, blade type, plunger type, gear type are formed 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 that needs the frequent break-in transmission of low speed rotation 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 are all existing respectively the defects such as complicated structure, volume mass are large, main frame difficulty in installation and layout, operation stability is low, volumetric machine efficiency is not high, working life is shorter in varying degrees, restrict or limiting the application area of low speed high torque hydraulic motor.For adapting to modern advanced engineering development needs, just there are some west industrially developed country that lifting low speed high torque hydraulic motor technical merit, the technological deficiency of resolving existence are classified as to Major Scientific Research Projects research experiment a long time ago.1977, first scientist in Poland B.Sieniawski was successfully applied in non-circular planetary gear mechanism in the overall construction design of oil hydraulic motor, 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, through constantly the enriching to improve and improve of 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.The oil hydraulic motor that west Professional visitors is referred to as this structure type is " noncircular planetary gear hydraulic motor ", and praise its " for the technological progress of low speed high torque hydraulic motor has realized new breakthrough ", " for new direction has been opened up in the industry development of low speed high torque hydraulic motor ".
West industrially 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 has obtained very big lifting, and forms gradually the company of large-scale transnational group taking 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. as 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 trading object and the transaction value of noncircular planetary gear hydraulic motor world market are being controlled in monopolization.
China produces at present and the low speed high torque hydraulic motor of application, and the overwhelming majority belongs to conventional construction type, and gap is fairly obvious compared with advanced noncircular planetary gear hydraulic motor, is difficult to adapt to the needs of modern advanced engineering fast development.After entering 21st century, under dual-pressure powerful in the market demand and that external product is poured in a large number promotes, it is more and more that China participates in institution of higher learning, R&D institution and manufacturing enterprise that noncircular planetary gear hydraulic motor develops directly, there are a lot of scientific achievements and patented technology to start open successively, but on the whole still in technical know-how research or prototype test advanced development.Recent years, although existing several noncircular planetary gear hydraulic motors are put on market successively, belongs to Qualify Phase on probation substantially, does not all form large-scale production ability in enormous quantities; You Jijia joint venture introduces the noncircular planetary gear hydraulic motor product that west industrially developed country technology is produced, still exist 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 the low speed high torque hydraulic motor that a lot of new and high technology main computer boxes of China need to configure, most dependence is directly supporting from foreign procurement.
Latest scientific research and the technology trends of the domestic and international noncircular planetary gear hydraulic motor technical field of the long-term tight tracking of the utility model, produce at present and apply on low speed high torque hydraulic motor Shortcomings and weakness basis in earnest analytical study China, in conjunction with fast-developing universal high-water-based emulsion, oil hydraulic motor is corroded simultaneously, leak, wearing and tearing, the requirements at the higher level that the technical problem such as get rusty proposes, tightly around the integral arrangement arrangement of oil hydraulic motor, non-circular planetary gear mechanism design, operation technique parameter is selected to determine, the key core technology contents such as the newborn media general condition of oil, take targetedly multinomial innovative technology measure, 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 the utility model quasi-solution is determined.
The utility model is produced at present and is applied on low speed high torque hydraulic motor Shortcomings and weakness basis in earnest analytical study China, research and design goes out one non-circular planetary gear mechanism and oil hydraulic motor technology is carried out after science integrating, 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 construction type 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 the utility model technical solution problem is taked.
The technical problem that the utility model solves, by the following technical programs in advance to realize: research and design goes out a kind of oil breast media general noncircular planetary gear hydraulic motor that non-circular planetary gear mechanism is 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, is designed to be made up of component such as motor casing, bottom end closure, front end glands, and all choice for use explosion-proof aluminium alloy-steel casting is processed into, and in containing mode, connecting fluid pressure motor all working parts is installed.Motor casing is provided with 2 of 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 effectively control hydraulic motor rotary speed; Switch into the entering of Drainage pipe, discharge opeing position, can change fast 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 respectively the left and right liquor preparation disk of liquid dispensing device, what be provided with by liquor preparation disk enters deploying liquid hole, the airtight active chamber forming in Drainage pipe and non-circular planetary gear mechanism that enters being provided with motor casing is respectively connected, and bears flowing to or discharge function of pressured fluid.Motor casing bottom is mounted with the bearing support of power take-off, and deep groove ball bearing is housed on bearing support, and motor casing front end is equipped with the roller bearing of power take-off, and two 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 by fastening screw trip bolt respectively; 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 explosion-proof aluminium alloy-steel casting is processed into, select to adopt the structural arrangement form that connecting fluid pressure motor all working parts are installed 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, can meet the technical specifications requirement of oil hydraulic motor safety work in inflammable and explosive environment, also can adapt to the technical performance needs that fast-developing universal high-water-based emulsion does pressured fluid, be conducive to expand the application area that expands low speed high torque hydraulic motor.
Described non-circular planetary gear mechanism, be designed to be formed by a non-round hexagon ring gear, a tetragonal external tooth sun gear of non-circle, 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 comprehensively tight sliding contact by the arranged on left and right sides increment of adjacent 2 cylindrical planetary gears, hexagon ring gear, tetragonal external tooth sun gear and the left and right liquor preparation disk of liquid dispensing device, form 10 airtight active chambers of hard sealing of oil hydraulic motor.When oil hydraulic motor operation, produce powerful moment of torsion by the tangential unbalanced force of pressured fluid turnover pressure reduction, promote cylindrical planetary gear and produce rotation, and it is mobile to revolve round the sun around tetragonal external tooth sun gear; Adjacent 2 cylindrical planetary gears are in revolution moving process, can successively open or cover on left and right liquor preparation disk, be respectively equipped with enter deploying liquid hole, 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 exactly cylindrical planetary gear and carries out successive rotation and revolution moving process; In this process, cylindrical planetary gear drive quadrangle external tooth sun gear produces successively rotation, 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, the outstanding technical feature such as output torque is large, bearing capacity is strong, rotary inertia is little, stable and smooth operation, commutation flexible, volumetric machine efficiency is high, long service life, can meet the technical specifications requirement of most new and high technology main computer boxes configuration low speed high torque hydraulic motors in some important technology fields of China, import substitutes.
In the non-circular planetary gear mechanism of research and design, key core technology is the calculating design to dentition; Through conscientious investigation and comparison screening, to select to determine to adopt double are curve fitting method, appliance computer MATLAB software makees instrument, and the dentition of non-circular planetary gear mechanism is calculated to design.Select to adopt this Method and kit for, can equal an integer sector length taking non-circular gear pitch curve arc length and carry out the overall design of calculating as precondition, be conducive to the number of teeth and be uniformly distributed, and the calculating of deriving be accurately simple, be convenient to practical application, can reduce noncircular gear machining manufacture difficulty; 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 calculating and design other basic parameters such as the modulus of noncircular gear, tooth normal, profile of tooth.Adopt this Method and kit for to calculate the non-circular planetary gear mechanism of design, theoretical foundation science is correct, calculate design result accurately reliable, be convenient to detect check and verify, can guarantee overall technology level and the designing quality of oil hydraulic motor, also can provide robust techniques to support guarantee for implementing retrofit manufacture programming.
Described liquid dispensing device, selects to adopt by left and right two-wayly respectively pressured fluid to be flow to, discharge the dosing technology of controlling; Global design becomes to be made up of identical left and right two liquor preparation disks of structure shape, be fixed in the opposite direction respectively on the motor casing inwall of the non-circular planetary gear mechanism left and right sides, keep comprehensively tight sliding contact with the left and right sides increment of non-circular planetary gear mechanism; On left and right two liquor preparation disks, respectively be provided with 6 bear respectively that pressured fluid flows to or discharge function enter deploying liquid hole, each enter the two ends in deploying liquid hole, the airtight active chamber forming in Drainage pipe and non-circular planetary gear mechanism that enters being provided with motor casing is respectively connected.
In the liquor preparation disk of research and design, key core technology is that position and the aperture to entering deploying liquid hole calculates layout design.Entering deploying liquid hole, is unique passage that pressured fluid flow to or discharged the work of airtight active chamber driving oil hydraulic motor, enters the unlatching in deploying liquid hole or covers all and controlled in revolution is mobile by the root circle 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 liquid hole site, 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 in deploying liquid hole; The technical requirements of entering deploying liquid hole site is: revolve round the sun in movement at adjacent 2 the cylindrical planetary gears of the airtight active chamber of composition, can cover a kind of function completely while entering on the position in deploying liquid hole when correcting before a rear position circle cylindricality planetary pinion root circle to be in, can make to correct after last position circle cylindricality planetary pinion root circle simultaneously and be in the another kind of function of firm unlatching and enter on the position in deploying liquid hole.What calculating designed enters deploying liquid hole site, when in Neng Shi non-circular planetary gear mechanism, airtight active chamber internal pressure liquid volume reaches minimum volume, the deploying liquid hole of entering of bearing pressured fluid discharge function is just in time covered completely by a locational cylindrical planetary Gear Root circle front end after this airtight active chamber of composition, and pressured fluid can not be discharged again; Meanwhile form to correct after the last locational cylindrical planetary Gear Root circle of this airtight active chamber to be in and bear pressured fluid and flow to entering on the position that deploying liquid hole 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 moved, to bear the deploying liquid hole of entering that pressured fluid flows to function and opened gradually until open completely, the volume that pressured fluid flows in airtight active chamber increases gradually until reach maximum volume.And in the time that in non-circular planetary gear mechanism, airtight active chamber internal pressure liquid volume reaches maximum volume, after forming this airtight active chamber, a locational cylindrical planetary Gear Root is justified front end, just in time mobile the running to of revolution born pressured fluid and flow to function and enter on the position of being covered completely in deploying liquid hole, and pressured fluid can not flow to again; Meanwhile form the last locational cylindrical planetary Gear Root circle of this airtight active chamber rear end but just in time mobile the running to of revolution bear the entering on the position that deploying liquid hole 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 moved, to bear the deploying liquid hole of entering of pressured fluid discharge function and opened gradually until open completely, the pressured fluid volume in airtight active chamber reduces gradually until reach minimum volume.Pressured fluid carries out continuously flowing to, discharging repeatedly by entering deploying liquid hole in airtight active chamber, goes round and begins again, and completes and drives oil hydraulic motor to realize successive rotating operation.Enter aperture, deploying liquid hole, from reducing resistance, reducing pressure loss angle, entering aperture, deploying liquid hole is the bigger the better, but owing to being subject to the restriction of cylindricality planetary pinion root circle, excessive may the causing into deploying liquid hole in aperture can not be opened completely in good time or cover, very easily there is the airtight active chamber of high low pressure and the ride quality problem such as gang up, can reduce on the contrary oil hydraulic motor efficiency; Aperture is too small must increase drag losses, reduces oil hydraulic motor efficiency.Through conscientiously researching and analysing, to take by the maximum area of 2 cylindrical planetary Gear Root circle intersections, it is optimal selection that calculating designs into the aperture in deploying liquid hole.
Research and design goes out the liquid dispensing device of this structural arrangement form, successfully realize by a left side, the right side is two-way to be flow to pressured fluid respectively, the advanced dosing technology that discharge is controlled, there is rotary inertia little, good operation stability, commutation is flexible, the more high outstanding technical feature of volumetric machine efficiency, having solved preferably deploying liquid hole can not open completely 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, can meet the technical specifications requirement of China's most new and high technology main computer boxes configuration low speed high torque hydraulic motor, also can adapt to the dosing Technology Need of oily newborn media general.
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, adjusting 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 into Drainage pipe and is connected with the deploying liquid hole of entering of entering on Drainage pipe and left liquor preparation disk on motor casing respectively.Deep groove ball bearing is fixed on bearing support, and roller bearing is fixed on motor casing front end, and two bearings are all connected and fixed with pto＝power take-off, supporting motive force output shaft rotation outputting power.Pto＝power take-off is connected and fixed by shaft coupling steel ball and tetragonal external tooth sun gear, accepts to transmit the moment of torsion outputting power that non-circular planetary gear mechanism produces.In the locking trough that pto＝power take-off retaining ring mounting arrangements is provided with at pto＝power take-off front end, 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, can effectively prevent from controlling the axial float that pto＝power take-off produces.Back-up ring mounting arrangements is in pto＝power take-off rear end, and right flank tightly contacts with left liquor preparation disk comprehensively firmly, and left surface successively mounting arrangements has the component such as the pad of adjusting, deep groove ball bearing, lock washer; By increase and decrease spacer sheet mode, can effectively adjust the increment gap of Control Shaft bearing mounting point and non-circular planetary gear mechanism, adjust suitable be locked with locking nut afterwards, with bottom end closure compacting sealing.
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 proposing 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 that molecular weight is little, kinematical viscosity is low, very easily leak the physical property feature such as ooze out for the conventional high-water-based emulsion of oil hydraulic motor, at pto＝power take-off with parts such as left and right liquor preparation disk endoporus, front end gland axis holes to rotate on the dynamic position being connected, 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 being connected with static state with parts such as hexagon ring gear, left and right liquor preparation disk, bearing supports at motor casing, on the interior hole site being connected with static state with tetragonal external tooth sun gear at pto＝power take-off, the card of bearing support and left liquor preparation disk, boss with the tight corner location firmly contacting of static state on, employing arranges equipped O shape rubber seal ring engineering means, to likely carrying out encapsulation process along the pressured fluid that directly contact liquid part surface leaks, oozes out.
Research and design goes out the rubber seal system of this structural arrangement form, there is easily convenient, the outstanding feature such as leakage flow is few, the pressure loss is little of thorough tight, the technical measures economical and effective of sealing system, repair and replacement, can meet the technical requirements condition of the newborn media general of oil hydraulic motor oil.
The advantage the utlity model has and the effect reaching.
(1) the utility model successfully carries out science integrating by non-circular planetary gear mechanism and oil hydraulic motor technology, 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, can meet 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 motors, import substitutes.
(2) the utility model selects 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 check and verify, 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 can provide reliable technical support guarantee for implementing retrofit manufacture programming.
(3) the utility model is selected to adopt and left and rightly two-wayly respectively pressured fluid is flow to, discharges the dosing technology of controlling, 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, solved preferably oil hydraulic motor extremely incident enter deploying liquid hole can not open in good time or cover, the ride quality problem such as latch is ganged up, even occurred to the airtight active chamber of high low pressure, de-tooth, can adapt to the dosing technical specifications requirement of oily newborn media general.
(4) the utility model choice for use high strength anti-explosion aluminium alloy castings is processed into hydraulic motor shell, the structural arrangement form that connects all working parts is installed in containing mode, the feature such as there is compact overall structure, lightweight, volume is little, main frame mounting arrangements is convenient, can meet the technical specifications requirement of oil hydraulic motor safety work in inflammable and explosive environment, expand the application area of low speed high torque hydraulic motor.
Brief description of the drawings
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 is arranged 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 liquid hole; 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-adjusting 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 the utility model research and design, 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), all choice for use explosion-proof aluminium alloy-steel casting is processed into, and in containing mode, connecting fluid pressure motor all working parts is installed; Motor casing (2) is provided with 2 of 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 respectively the left and right liquor preparation disk (8 of liquid dispensing device, 3), by liquor preparation disk (8,3) what be provided with enters deploying liquid hole (9), the airtight active chamber forming in Drainage pipe (11) and non-circular planetary gear mechanism (4) that enters being provided with motor casing (2) is respectively connected, and 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) is housed on bearing support (5), motor casing (2) front end is equipped with the roller bearing (24) of power take-off, and two 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 by fastening screw trip bolt respectively; 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 non-round hexagon ring gear (13), a tetragonal external tooth sun gear of non-circle (14), ten cylindrical planetary gears (15) composition, 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 (14), by gear teeth meshing form, cylindrical planetary gear (15) is connected simultaneously with tetragonal external tooth sun gear (14) with hexagon ring gear (13), 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 comprehensively tight sliding contact, form 10 airtight active chambers of hard sealing of oil hydraulic motor.When oil hydraulic motor operation, produce powerful moment of torsion by the tangential unbalanced force of pressured fluid turnover pressure reduction, promote cylindrical planetary gear (15) and produce rotation, and it is mobile to revolve round the sun 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 on, be respectively equipped with enters deploying liquid hole (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 exactly cylindrical planetary gear (15) and carries out successive rotation and revolution moving process; In this process, cylindrical planetary gear (15) drives tetragonal external tooth sun gear (14) to produce successively rotation, 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 an integer sector length as precondition taking non-circular gear pitch curve arc length, and the dentition of non-circular planetary gear mechanism (4) is carried out to the overall design of calculating; According to non-circular gear pitch curve relevant rudimentary data, select to determine suitable addendum coefficient and increment gap factor, optimize calculating and design other basic parameters such as the modulus of noncircular gear, tooth normal, profile of tooth.
As shown in Figure 1, described liquid dispensing device, selects to adopt by left and right two-wayly respectively pressured fluid to be flow to, discharge the dosing technology of controlling; Global design becomes by identical left and right two liquor preparation disks (8 of structure shape, 3) composition, be fixed in the opposite direction respectively on motor casing (2) inwall of non-circular planetary gear mechanism (4) left and right sides, keep comprehensively tight sliding contact with the left and right sides increment of non-circular planetary gear mechanism (4); Left and right two liquor preparation disks (8,3) on, respectively be provided with 6 bear respectively that pressured fluid flows to or discharge function enter deploying liquid hole (9), each enter the two ends in deploying liquid hole (9), the airtight active chamber forming in Drainage pipe (11) and non-circular planetary gear mechanism (4) that enters being provided with motor casing (2) is respectively connected.Enter position, deploying liquid hole (9), by cylindrical planetary gear (15) root radius, on the equidistant curve position of hexagon ring gear (13) pitch curve, arrange, appliance computer do instrument calculate design each enter the particular location in deploying liquid hole (9); Each enter outage (9) particular location should satisfied technical requirements be: composition adjacent 2 the cylindrical planetary gears of airtight active chamber (15) revolve round the sun movement in, can cover a kind of function completely while entering on the position in deploying liquid hole (9) when correcting before rear position circle cylindricality planetary pinion (15) root circle to be in, can make to correct after last position circle cylindricality planetary pinion (15) root circle simultaneously and be in the another kind of function of firm unlatching and enter on the position in deploying liquid hole (9).Enter aperture, deploying liquid hole (9), by the maximum area of 2 cylindrical planetary gears (15) root circle intersection, it is optimal selection that calculating designs into aperture, deploying liquid hole (9).
as shown in accompanying drawing 1, accompanying drawing 3, described power take-off, is made up of component such as 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), adjusting pad (19), lock washer (17), locking nuts (16).Bearing support (5) is fixed on motor casing (2) bottom, leading flank tightly contacts with left liquor preparation disk (8) comprehensively firmly, and bearing support is provided with into Drainage pipe (11) and is connected with the deploying liquid hole (9) of entering of entering on Drainage pipe (11) and left liquor preparation disk (8) on motor casing (2) respectively.It is upper that 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 bearings are all connected and fixed with pto＝power take-off (7), supporting motive force output shaft (7) rotation 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 to transmit the moment of torsion outputting power that non-circular planetary gear mechanism (4) produces.In the locking trough that pto＝power take-off retaining ring (22) mounting arrangements is provided with at pto＝power take-off (7) front end, 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 premenstrual side pressure lid (1) compacting is fixing, can effectively prevent from controlling the axial float that 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 adjusting pad (19), deep groove ball bearing (18), lock washer (17); Regulate pad (19) mode by increase and decrease, can effectively adjust the increment gap of Control Shaft bearing (5) mounting point and non-circular planetary gear mechanism (4), adjust suitable be locked with locking nut (16) afterwards, with bottom end closure (6) compacting sealing.
As shown in Figure 1, described rubber seal system, it is the technical specifications requirement proposing 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 connection, 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, on the interior hole site being connected with static state with tetragonal external tooth sun gear (14) at pto＝power take-off (7), the card of bearing support (5) and left liquor preparation disk (8), boss with the tight corner location firmly contacting of static state on, employing arranges equipped O shape rubber seal ring (10) engineering means, to likely carrying out encapsulation process along the pressured fluid that directly contact liquid part surface leaks, oozes out.
Claims (5)
1. the newborn media general noncircular planetary gear hydraulic motor of oil, it is characterized in that: this oil breast 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, is designed to be made up of motor casing (2), bottom end closure (6), front end gland (1), and all choice for use explosion-proof aluminium alloy-steel casting is processed into, and in containing mode, connecting fluid pressure motor all working parts is installed; Motor casing (2) is provided with 2 of left and right and enters Drainage pipe (11), is connected respectively by hydraulic hose with the hydraulicdirectional control valve of configuration; 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 respectively the left and right liquor preparation disk (8 of liquid dispensing device, 3), by liquor preparation disk (8,3) what be provided with enters deploying liquid hole (9), and the airtight active chamber forming in Drainage pipe (11) and non-circular planetary gear mechanism (4) that enters being provided with motor casing (2) is respectively connected; Motor casing (2) bottom is mounted with the bearing support (5) of power take-off, deep groove ball bearing (18) is housed on bearing support (5), motor casing (2) front end is equipped with roller bearing (24), and two 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 by fastening screw trip bolt respectively, and shape paired mounting is connected to the seal protection of the interior all working parts of motor casing (2).
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 be made up of a non-round hexagon ring gear (13), a tetragonal external tooth sun gear of non-circle (14), ten cylindrical planetary gears (15), 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 tetragonal external tooth sun gear (14) with hexagon ring gear (13), 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 comprehensively tight sliding contact, form 10 airtight active chambers of hard sealing of oil hydraulic motor.
3. the oily newborn media general noncircular planetary gear hydraulic motor of one according to claim 1, it is characterized in that: described liquid dispensing device, global design becomes by identical left and right two liquor preparation disks (8 of structure shape, 3) composition, be fixed in the opposite direction respectively on motor casing (2) inwall of non-circular planetary gear mechanism (4) left and right sides, keep comprehensively tight sliding contact with the left and right sides increment of non-circular planetary gear mechanism (4); Left and right two liquor preparation disks (8,3) on, respectively be provided with 6 and enter deploying liquid hole (9), each enter the two ends in deploying liquid hole (9), the airtight active chamber forming in Drainage pipe (11) and non-circular planetary gear mechanism (4) that enters being provided with motor casing (2) is respectively connected; Enter position, deploying liquid hole (9), by cylindrical planetary gear (15) root radius, on the equidistant curve position of hexagon ring gear (13) pitch curve, arrange.
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, is 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), adjusting 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, and bearing support is provided with into Drainage pipe (11) and is connected with the deploying liquid hole (9) of entering of entering on Drainage pipe (11) and left liquor preparation disk (8) on motor casing (2) respectively; It is upper that 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 bearings are all connected and fixed with pto＝power take-off (7), supporting motive force output shaft (7) rotation 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 to transmit the moment of torsion outputting power that non-circular planetary gear mechanism (4) produces; In the locking trough that pto＝power take-off retaining ring (22) mounting arrangements is provided with at pto＝power take-off (7) front end, 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 premenstrual side pressure lid (1) compacting is fixing, can effectively prevent from controlling the axial float that 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 adjusting pad (19), deep groove ball bearing (18), lock washer (17); Regulate pad (19) mode by increase and decrease, can effectively adjust the increment gap of Control Shaft bearing (5) mounting point and non-circular planetary gear mechanism (4), adjust suitable be locked with locking nut (16) afterwards, with bottom end closure (6) compacting sealing.
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, it is the technical specifications requirement proposing 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) endoporus, front end gland (1) axis hole are to rotate on the position of dynamic connection, 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, on the interior hole site being connected with static state with tetragonal external tooth sun gear (14) at pto＝power take-off (7), the card of bearing support (5) and left liquor preparation disk (8), boss with the tight corner location firmly contacting of static state on, employing arranges equipped O shape rubber seal ring (10) engineering means, to likely carrying out encapsulation process along the pressured fluid that directly contact liquid part surface leaks, oozes out.
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| CN201420318835.7U CN204003262U (en) | 2014-06-16 | 2014-06-16 | The newborn media general noncircular planetary gear hydraulic motor of oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114909443A (en) * | 2022-04-21 | 2022-08-16 | 昆明理工大学 | Active stubble-breaking no-tillage seeder gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114909443A (en) * | 2022-04-21 | 2022-08-16 | 昆明理工大学 | Active stubble-breaking no-tillage seeder gearbox |
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