CN105319066B - Simulate the device of the planet carrier of planetary gear train and the coaxiality error of gear ring - Google Patents

Simulate the device of the planet carrier of planetary gear train and the coaxiality error of gear ring Download PDF

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Publication number
CN105319066B
CN105319066B CN201510857264.3A CN201510857264A CN105319066B CN 105319066 B CN105319066 B CN 105319066B CN 201510857264 A CN201510857264 A CN 201510857264A CN 105319066 B CN105319066 B CN 105319066B
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China
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plate
gear ring
planet carrier
planetary gear
gear
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CN105319066A (en
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牟鹏
姜京旼
向东
沈岗
沈银华
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Tsinghua University
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Tsinghua University
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Abstract

The invention discloses a kind of planet carrier for simulating planetary gear train and the device of the coaxiality error of gear ring, including:Support frame, support frame include bottom plate and the first plate, the second plate and the 3rd plate that are located on bottom plate;Planetary gear train, planetary gear train is located between the first plate and the second plate, planetary gear train includes gear ring, planet carrier, planetary gear and sun gear, planet carrier is rotatably arranged on the first plate, planetary gear is located on planet carrier and engaged with gear ring, and sun gear is rotatably arranged on the second plate and engaged with planetary gear;Gear ring governor motion, gear ring governor motion are located between the second plate and the 3rd plate and change the position of gear ring axis for adjusting the posture of gear ring.According to the planet carrier of the simulation planetary gear train of the present invention and the device of the coaxiality error of gear ring, the coaxiality error between gear ring and planet carrier can be easily varied, and then can easily study the coaxiality error between different gear ring and planet carrier to the dynamic characteristic of planetary gear and the influence of fatigue life.

Description

Simulate the device of the planet carrier of planetary gear train and the coaxiality error of gear ring
Technical field
The present invention relates to epicyclic train experimental field, the more particularly to a kind of planet carrier for simulating planetary gear train and gear ring The device of coaxiality error.
Background technology
The simulation of the coaxiality error of existing outer ring and planet carrier to planetary gear train it is most of with theoretical with emulation side Method is defined, and is partly to process the planetary gear test specimen of every kind of different errors of form using experimental method, this method not only wastes experiment Expense and time, and more kinds of errors of form and the margin of error can not be considered to be tested.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention Purpose is a kind of device of the coaxiality error for the planet carrier and gear ring for proposing simulation planetary gear train, and the device can be easily Change the coaxiality error between gear ring and planet carrier, and then can easily study same between different gear ring and planet carrier Axle degree error is to the dynamic characteristic of planetary gear and the influence of fatigue life.
According to the planet carrier of the simulation planetary gear train of the present invention and the device of the coaxiality error of gear ring, including:Support frame, Support frame as described above includes bottom plate and the first plate, the second plate and the 3rd plate that are located on the bottom plate;Planetary gear train, the planet Train is located between the first plate and the second plate, and the planetary gear train includes gear ring, planet carrier, planetary gear and sun gear, described Planet carrier is rotatably arranged on first plate, and the planetary gear is located on the planet carrier and engaged with the gear ring, institute Sun gear is stated to be rotatably arranged on the second plate and engage with the planetary gear;Gear ring governor motion, the gear ring governor motion It is located between second plate and the 3rd plate and changes the position of gear ring axis for adjusting the posture of the gear ring.
According to the planet carrier of the simulation planetary gear train of the present invention and the device of the coaxiality error of gear ring, thus it is possible to vary planet The coaxiality error of frame and gear ring, and then the coaxiality error between different gear ring and planet carrier can be easily studied to row The dynamic characteristic of star-wheel and the influence of fatigue life.
In addition, can also be had according to the device of the planet carrier of the simulation planetary gear train of the present invention and the coaxiality error of gear ring There is technical characteristic additional as follows:
According to one embodiment of present invention, the gear ring governor motion includes:Control panel and with the control panel phase Actuator even, the control panel are fixedly connected with the gear ring, and the actuator is located on the 3rd plate and for driving The control panel is to adjust the posture of the gear ring.
According to one embodiment of present invention, the actuator is multiple oil cylinders.
According to one embodiment of present invention, the gear ring governor motion also includes the installation being fixed on the 3rd plate Plate, the cylinder barrel of the oil cylinder are fixed on the installing plate.
According to one embodiment of present invention, the planetary gear is multiple, and multiple planetary gears are uniform, are distributed in institute State on planet carrier.
According to one embodiment of present invention, the gear ring is fixed on the inner side of the control panel, the piston of the oil cylinder Bar is fixed on the outside of the control panel.
According to one embodiment of present invention, first plate, second plate and the 3rd plate be arranged in parallel.
According to one embodiment of present invention, first plate, second plate and the 3rd plate are orthogonal to respectively The bottom plate.
According to one embodiment of present invention, the distance between first plate and second plate are less than second plate The distance between described 3rd plate.
According to one embodiment of present invention, the bottom plate, first plate, second plate and the 3rd plate are Integrative-structure.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein:
Fig. 1 be simulation planetary gear train according to embodiments of the present invention planet carrier and gear ring coaxiality error device Schematic diagram.
Reference:
The device 100 of the planet carrier of planetary gear train and the coaxiality error of gear ring is simulated,
Support frame 110, the first plate 111, the second plate 112, the 3rd plate 113, bottom plate 114,
Planetary gear train 120, gear ring 121, planet carrier 122, planetary gear 123,
Gear ring governor motion 130, actuator 131, control panel 132, installing plate 133.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
Because power transfer efficiency is high, the higher benefit of the gearratio of unit volume, epicyclic train turns into modern mechanical The critical component in transmission system field, gradually added using the mechanical system of planetary gear train.However, planetary gear structure is complicated, The reason for more sensitive to error component, integrity problem are the bottleneck problems of planet gear transmission system.Therefore, the height of planetary gear train can It is one of essential property of planetary gear train by property.Among many reasons of planetary gear reliability effect, planet carrier Coaxiality error between gear ring is one of inevitable errors of form.Due to manufacture, rigging error and running In the deformation of caused parts and displacement, the error for producing axiality of having between planet carrier and gear ring, the error is to planet Wheel and the dynamic characteristic of the meshing characteristic between sun gear and gear ring and other parts bring great change, finally to system Life-span and reliability have detrimental effect.Therefore, be the reliability design of planetary gear, the error to planetary gear dynamic characteristic and The research of fatigue life Influencing Mechanism is basic research, and Many researchers have carried out the research of correlation.It is but most Research is very small by the research of experimental method based on theoretical and emulation mode.Also, existing experimental method is that processing is every kind of The planetary gear test specimen of different errors of form.This method not only wastes experimental expenses and time, and can not consider more kinds of errors Form and the margin of error are tested.
Therefore, the invention provides a kind of planet carrier for being used to simulate planetary gear train and the dress of the coaxiality error of gear ring Put, the device can be effectively saved experimental cost and time, and can simulate more kinds of errors of form and the margin of error Tested.
With reference to Fig. 1 to the planet carrier of simulation planetary gear train and the coaxiality error of gear ring according to embodiments of the present invention Device 100 be described in detail.
The device 100 of the planet carrier of simulation planetary gear train according to embodiments of the present invention and the coaxiality error of gear ring can be with Including support frame 110, planetary gear train 120 and gear ring governor motion 130.
Wherein, support frame 110 is used to support planetary gear train 120 and gear ring governor motion 130, and support frame 110 includes bottom Plate 114 and the first plate 111 being located on bottom plate 114, the second plate 112 and the 3rd plate 113.First plate 111, the second plate 112 And the 3rd plate 113 can be parallel to each other, further, the first plate 111, the second plate 112 and the 3rd plate 113 can respectively just Meet at bottom plate, the distance between the first plate 111 and the second plate 112 can be less than between the second plate 112 and the 3rd plate 113 away from From.
Planetary gear train 120 is located between the first plate 111 and the second plate 112, and planetary gear train 120 includes gear ring 121, planet carrier 122nd, planetary gear 123 and sun gear (not shown), planet carrier 122 are rotatably arranged on the first plate 111, and planetary gear 123 is set Engaged in planet carrier 122 and with gear ring 121, sun gear is rotatably arranged on the second plate 112 and engaged with planetary gear 123.
Gear ring governor motion 130 be located between the second plate 112 and the 3rd plate 113 and for adjust the posture of gear ring 121 with Change the position of the axis of gear ring 121.
It is understood that the planet carrier 122 in planetary gear train 120 is the other actuating units such as power intake, motor It can be connected with planet carrier 122 and provide power for planet carrier 122;Sun gear in planetary gear train 120 is output end, sun gear The power of output can be transferred to the external world by output shaft.
Planet carrier 122 is rotatably arranged on the first plate 111, and the axis of planet carrier 122 will not typically change, and pass through Gear ring governor motion 130 adjusts the posture of gear ring 121 to change the position of the axis of gear ring 121, changes the axis and row of gear ring 121 The relative position of the axis of carrier 122, you can to change the coaxiality error between gear ring 121 and planet carrier 122.
Different coaxiality errors can to the meshing characteristic between planetary gear 123 and sun gear and gear ring 121 and other zero The dynamic characteristic of part brings different changes, finally has different influences from reliability to system lifetim.Therefore, it is of the invention Simulation planetary gear train planet carrier and gear ring coaxiality error device 100, can easily study different gear rings 121 Coaxiality error between planet carrier 122 is to the dynamic characteristic of planetary gear 123 and the influence of fatigue life.
The device 100 of the planet carrier of simulation planetary gear train according to embodiments of the present invention and the coaxiality error of gear ring, can To change the coaxiality error of planet carrier 122 and gear ring 121, and then it can easily study different gear ring 121 and planet carrier Coaxiality error between 122 is to the dynamic characteristic of planetary gear 123 and the influence of fatigue life.
Contrast existing experimental method:Process the planetary gear test specimen of every kind of different errors of form, simulation planet of the invention The device 100 of the planet carrier of train and the coaxiality error of gear ring, experimental expenses and time can be saved, and can simulated more Diversified forms and the margin of error are tested.
In some embodiments of the invention, as shown in figure 1, gear ring governor motion 130 include control panel 132 and with control The connected actuator 131 of making sheet 132, control panel 132 are fixedly connected with gear ring 121, actuator 131 be located on the 3rd plate 113 and For drive control plate 132 to adjust the posture of gear ring 121.
That is, the drive control plate 132 of actuator 131 and change the position of control panel 132, and then the band of control panel 132 The position of moving teeth circle 121 changes, and then can adjust the axial location of gear ring 121 to change gear ring 121 and planet carrier 122 Coaxiality error.Alternatively, control panel 132 can be welded and fixed with gear ring 121, or control panel 132 and gear ring 121 can be with Be formed in one part.
Specifically, actuator 131 can be multiple oil cylinders.Change control panel by adjusting the distance of stretch out and draw back of different oil cylinders Position, and then adjust the axial location of gear ring 121 being fixedly connected with control panel 132.
It is understood that the planet carrier for simulating planetary gear train of the invention and the device 100 of the coaxiality error of gear ring In the quantity of oil cylinder be a kind of specific embodiment, be not made for the present invention specific limit.
As shown in figure 1, gear ring governor motion 130 also includes the installing plate 133 being fixed on the 3rd plate 113, the cylinder of oil cylinder Cylinder is fixed on installing plate 133.Installing plate 133 can be welded and fixed with the 3rd plate 113, and cylinder barrel can weld with installing plate 133 It is fixed.
Gear ring 121 is fixed on the inner side of control panel 132, and the piston rod of oil cylinder is fixed on the outside of control panel 132.Control panel 132 outside can be provided with multiple mounting holes, and piston rod and the control panel 132 of oil cylinder can be fixed by threaded fastener.
In the specific example of the present invention, the quantity of oil cylinder is 6, and each two oil cylinder is one group, and each in every group The piston rod of individual oil cylinder is fixed on control panel 132 and is disposed adjacent, and the cylinder barrel of each oil cylinder in every group is fixed on installation On plate 133 and be spaced apart set.It should be noted that the gear ring governor motion 130 of above-described embodiment can be that Stewart is in parallel Structure.
In some embodiments of the invention, as shown in figure 1, planetary gear 123 can be multiple, and multiple planetary gears 123 In uniform intervals distribution planet carrier 122.In the specific example of the present invention, the quantity of planetary gear 123 is 3, three planets Wheel 123 engages with gear ring 121 respectively, and sun gear engages with three planetary gears 123 respectively.
Preferably, the first plate 111, the second plate 112, the 3rd plate 113 and bottom plate 114 are structure as a whole.Thus, it is possible to carry The intensity of high carriage 110, simplifies the structure of support frame 110, and then at least improves the life of support frame 110 to a certain extent Produce efficiency.
The axiality being briefly described below between the planet carrier 122 and gear ring 121 of the planetary gear train 120 based on the device is missed The experimental procedure that operating mode lower planetary gear change of mechanical property existing for difference is analyzed:
Step 1:Set the coaxiality error form and its margin of error scope between gear ring 121 and planet carrier 122.
Step 2:Ensure the assembling between all parts and position
Step 3:By Stewart parallel-connection structure control devices, implement the angle between gear ring 121 and planet carrier 122, mould Intend the coaxiality error between gear ring 121 and planet carrier 122.
Step 4:After the posture for adjusting gear ring 121, the posture of gear ring 121 is kept by oil cylinder.
Step 5:Tested.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (10)

  1. A kind of 1. device of the coaxiality error of planet carrier for simulating planetary gear train and gear ring, it is characterised in that including:
    Support frame, support frame as described above include bottom plate and the first plate, the second plate and the 3rd plate that are located on the bottom plate;
    Planetary gear train, the planetary gear train are located between the first plate and the second plate, the planetary gear train include gear ring, planet carrier, Planetary gear and sun gear, the planet carrier are rotatably arranged on first plate, and the planetary gear is located at the planet carrier Above and with the gear ring engage, the sun gear is rotatably arranged on the second plate and engaged with the planetary gear;
    Gear ring governor motion, the gear ring governor motion are located between second plate and the 3rd plate and described for adjusting The posture of gear ring is to change the position of gear ring axis.
  2. 2. the device of the planet carrier of simulation planetary gear train according to claim 1 and the coaxiality error of gear ring, its feature It is, the gear ring governor motion includes:Control panel and the actuator being connected with the control panel, the control panel with it is described Gear ring is fixedly connected, and the actuator is located on the 3rd plate and for driving the control panel to adjust the appearance of the gear ring State.
  3. 3. the device of the planet carrier of simulation planetary gear train according to claim 2 and the coaxiality error of gear ring, its feature It is, the actuator is multiple oil cylinders.
  4. 4. the device of the planet carrier of simulation planetary gear train according to claim 3 and the coaxiality error of gear ring, its feature It is, the gear ring governor motion also includes the installing plate being fixed on the 3rd plate, and the cylinder barrel of the oil cylinder is fixed on institute State on installing plate.
  5. 5. the device of the planet carrier of simulation planetary gear train according to claim 1 and the coaxiality error of gear ring, its feature It is, the planetary gear is multiple, and multiple planetary gears are uniform, are distributed on the planet carrier.
  6. 6. the device of the planet carrier of simulation planetary gear train according to claim 3 and the coaxiality error of gear ring, its feature It is, the gear ring is fixed on the inner side of the control panel, and the piston rod of the oil cylinder is fixed on the outside of the control panel.
  7. 7. the device of the planet carrier of simulation planetary gear train according to claim 1 and the coaxiality error of gear ring, its feature It is, first plate, second plate and the 3rd plate be arranged in parallel.
  8. 8. the device of the planet carrier of simulation planetary gear train according to claim 7 and the coaxiality error of gear ring, its feature It is, first plate, second plate and the 3rd plate are orthogonal to the bottom plate respectively.
  9. 9. the device of the planet carrier of simulation planetary gear train according to claim 1 and the coaxiality error of gear ring, its feature It is, the distance between first plate and second plate are less than the distance between second plate and the 3rd plate.
  10. 10. the device of the planet carrier of simulation planetary gear train according to claim 7 and the coaxiality error of gear ring, its feature It is, the bottom plate, first plate, second plate and the 3rd plate are structure as a whole.
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CN107687945B (en) * 2017-08-31 2019-07-26 施阿丹 A kind of planetary reduction gear check device

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