CN108087499A - A kind of secondary planetary gear deceleration device and sit-astride rail vehicle - Google Patents
A kind of secondary planetary gear deceleration device and sit-astride rail vehicle Download PDFInfo
- Publication number
- CN108087499A CN108087499A CN201711190621.0A CN201711190621A CN108087499A CN 108087499 A CN108087499 A CN 108087499A CN 201711190621 A CN201711190621 A CN 201711190621A CN 108087499 A CN108087499 A CN 108087499A
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- China
- Prior art keywords
- bearing
- deceleration device
- planetary gear
- main body
- body shell
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H1/321—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear the orbital gear being nutating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/328—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising balancing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Retarders (AREA)
Abstract
The present invention provides a kind of secondary planetary gear deceleration devices, including main body shell, level-one sun gear, primary planet wheel, transmission shaft, secondary planet wheel, secondary solar gear, output shaft and wheel rim connector, wherein, power is inputted and power is transferred to secondary solar gear by the primary planet wheel and secondary planet wheel that are located on transmission shaft by level-one sun gear, then is directly output to by secondary solar gear on output shaft.The secondary planetary gear deceleration device, which can reach, preferably to be carried, vibration and noise it is smaller, while have it is compact-sized, it is small, manufacture the advantages of at low cost.The present invention also provides a kind of sit-astride rail vehicle, the sit-astride rail vehicle is equipped with above-mentioned secondary planetary gear deceleration device so that the sit-astride rail vehicle performance is stablized, and noise is smaller.
Description
Technical field
The present invention relates to a kind of secondary planetary gear deceleration device and sit-astride rail vehicles.
Background technology
In recent years, urban track traffic is promoted and applies in more and more cities, and China's track traffic
The amount of building ratio is also quite high, and construction speed is very fast.For China mountain city and small and medium-sized cities, due to economy, weather
And the track traffics such as the special circumstances of topography and geomorphology, subway establish it is particularly difficult and practice, therefore, people consider research and development
Especially suitable for the low cost of small and medium-sized cities and mountain city traffic, economic and environment-friendly gyrocar.
There is the travelling wheel of bearing body weight in the baseplane of gyrocar, and travelling wheel contacts always with track top surface of the beam, in order to
Make gyrocar along rail running and prevent car body from overturning, car body both sides are additionally provided with the horizontal wheels on vertical axle.At present
It is existing to make an uproar suitable for the presence of the devices such as the retarder of single-track vehicle in terms of the main problem of Straddle type monorail is embodied in power transmission
The shortcomings of pitch, traction power and speed are restricted, maintenance cost is higher.Therefore the retarder for studying a stabilization is compeled
The eyebrows and eyelashes.
The content of the invention
It is of the invention therefore it is contemplated that solve one of the above-mentioned problems of the prior art at least to a certain extent
First purpose is to provide a kind of new secondary planetary gear deceleration device.
At present, planet-gear speed reducer primary structure includes sun gear, planetary gear, and planet carrier and gear ring etc., principle is logical
It crosses gear ring or planet carrier is outputted power on output shaft, and then the purpose slowed down.This scheme is due to lacking second
Grade sun gear, therefore the load of gears at different levels is not readily reachable by, cause vibration and noise larger, simultaneously as it is related to gear ring,
Required precision is high, and manufacture is of high cost.
The secondary planetary gear deceleration device provided according to embodiments of the present invention, including：
Main body shell；
First stage decelerator, the first stage decelerator are installed in the theme housing；
Transmission shaft, the transmission shaft level is pivotable to be installed in the main body shell, and the left end connection of the transmission shaft
In the first stage decelerator；
Two stage reducer, the two stage reducer be installed in the main body shell and by the right end of the transmission shaft with it is described
First stage decelerator connects；
Output shaft, the output shaft level is pivotable to be installed in the main body shell；And the left end connection of the output shaft
In the two stage reducer, and the right end portion of the output shaft is located at the outside of the main body shell；
Wheel rim connector, the wheel rim connector are fixedly connected on the right end of the output shaft and positioned at the outer of the main body shell
Side.
The one embodiment provided according to the present invention, the first stage decelerator include：Level-one sun gear, the level-one sun
Wheel is located in the main body shell and is connected with for providing the line shaft of the power set of power；
Primary planet wheel, the primary planet wheel are located in the main body shell of the circumference peripheral position of the level-one sun gear
And be meshed with the level-one sun gear, and the primary planet wheel is fixed on the left end of the transmission shaft；
The two stage reducer includes：Secondary planet wheel, the secondary planet wheel are fixed on the transmission shaft and close to described
The right end of transmission shaft；
Secondary solar gear, the secondary solar gear and the level-one sun gear be coaxially disposed in the main body shell and with it is described
Secondary planet wheel is meshed, and the secondary solar gear is fixedly connected on the left end of the output shaft.
The one embodiment provided according to the present invention includes at least three transmission shafts, and the every transmission shaft
On be all provided with being engaged in each described one there are one the primary planet wheel and a secondary planet wheel, the level-one sun gear
Grade planetary gear, the secondary solar gear are engaged in each secondary planet wheel.
The one embodiment provided according to the present invention, the transmission shaft is centered on the central axis of the level-one sun gear
Circumferentially array is arranged in the main body shell.
The one embodiment provided according to the present invention, the right end of the every transmission shaft is arranged with clutch shaft bearing, described
The first accommodating chamber is equipped in main body shell, the clutch shaft bearing is installed in first accommodating chamber.
The one embodiment provided according to the present invention is equipped with second bearing, second axis on the every transmission shaft
Bearing sleeve is arranged on the transmission shaft, and the second bearing is between the primary planet wheel and secondary planet wheel, the master
The second accommodating chamber is equipped in body shell body, the second bearing is installed in second accommodating chamber.
The one embodiment provided according to the present invention, is arranged with 3rd bearing on the output shaft, in the main body shell
Equipped with the 3rd accommodating chamber, the 3rd bearing is installed in the 3rd accommodating chamber.
The one embodiment provided according to the present invention is equipped with first axle between the clutch shaft bearing and the secondary planet wheel
Hold baffle ring.
The one embodiment provided according to the present invention, the every transmission shaft are equipped at least two clutch shaft bearings,
And it is equipped with the first spacer between each clutch shaft bearing.
The one embodiment provided according to the present invention, the clutch shaft bearing are taper roll bearing.
The one embodiment provided according to the present invention, the secondary planet wheel are set to one with the transmission shaft.
The one embodiment provided according to the present invention, the secondary solar gear are set to one with the output shaft.
The one embodiment provided according to the present invention is equipped with second bearing and keeps off between the primary planet wheel and second bearing
Circle.
The one embodiment provided according to the present invention, the second bearing are cylinder roller bearing.
The one embodiment provided according to the present invention, the output shaft are equipped at least two 3rd bearings, and every
The second spacer is equipped between a 3rd bearing.
The one embodiment provided according to the present invention, the 3rd bearing are deep groove ball bearing.
The one embodiment provided according to the present invention is equipped with rotary oil seal between the output shaft and the main body shell,
The wheel rim connector is sheathed on the output shaft, and the rotary oil seal is sheathed on the wheel rim connector.
The one embodiment provided according to the present invention, the power set are motor, the level-one sun gear by pin and
Motor axis connection.
Second object of the present invention is to provide a kind of sit-astride rail vehicle, which stablizes,
Noise is smaller.
The sit-astride rail vehicle provided according to embodiments of the present invention, the sit-astride rail vehicle are equipped with any of the above-described
Secondary planetary gear deceleration device described in.
The secondary planetary gear deceleration device provided according to embodiments of the present invention, including main body shell, level-one sun gear, one
Grade planetary gear, transmission shaft, secondary planet wheel, secondary solar gear, output shaft and wheel rim connector, wherein, level-one sun gear will be dynamic
Power is transferred to secondary solar gear by power input by the primary planet wheel and secondary planet wheel that are located on transmission shaft, then by two level
Sun gear is directly output on output shaft.By changing power output mode, output shaft is connected with secondary solar gear so that should
Secondary planetary gear deceleration device, which can reach, preferably to be carried, and vibration and noise are smaller, while have compact-sized, volume
It is small, manufacture the advantages of at low cost.
Description of the drawings
Fig. 1 is the scheme of erection of the secondary planetary gear deceleration device provided by the invention.
Fig. 2 is each gear of secondary planetary gear deceleration device provided by the invention and the stereoscopic schematic diagram of axis assembling.
Fig. 3 is the structure diagram of the main body shell of the secondary planetary gear deceleration device provided by the invention.
Wherein, 1 left end main body shell, 2 level-one sun gears, 3 primary planet wheels, 4 transmission shafts, 5 secondary planet wheels, 6 two levels
Sun gear, 7 output shafts, 8 wheel rim connectors, 9 clutch shaft bearings, 10 second bearings, 11 3rd bearings, 12 clutch shaft bearing baffle rings, 13
First spacer, 14 second bearing baffle rings, 15 second spacers, 17 right end main body shells, 18 main body shells, 19 rotary oil seals, 20
One accommodating chamber, 21 second accommodating chambers, 22 the 3rd accommodating chambers.
Specific embodiment
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
The secondary planetary gear deceleration device provided in an embodiment of the present invention is specifically described below with reference to Fig. 1-3.
Such as Fig. 1-3, the secondary planetary gear deceleration device provided according to embodiments of the present invention, including：Main body shell 18, it is main
Body shell body 18 is used to install each parts of deceleration device, and the shape and structure of the main body shell 18 is according between each parts
Position relationship and installation form determine；Level-one sun gear 2, the level-one sun gear 2 be located in the main body shell 18 and with
Line shaft for providing the power set of power is connected for being passed to the power of power set and be meshed therewith
Gear；Primary planet wheel 3, the primary planet wheel 3 are located at the main body of the circumference peripheral position of the level-one sun gear 2
In housing 18, and it is meshed with the level-one sun gear 2 to receive the power of the transmission of level-one sun gear 2 and then further by power
It carries out passing to next stage gear, wherein, the level-one sun gear 2 and the primary planet wheel 3 can form first stage decelerator；
Transmission shaft 4,4 level of transmission shaft is pivotable to be installed in the main body shell 18, and the primary planet wheel 3 is fixed on
The left end of the transmission shaft 4 imparts power to another gear being installed on transmission shaft 4 by transmission shaft 4；Secondary planet
Wheel 5, the secondary planet wheel 5 are fixed on the transmission shaft 4 and close to the right end of the transmission shaft 4；Secondary solar gear 6, institute
State secondary solar gear 6 be coaxially disposed with the level-one sun gear 2 in the main body shell 18 and with 5 phase of secondary planet wheel
Engagement；Output shaft 7,7 level of output shaft is pivotable to be installed in the main body shell 18, and the secondary solar gear 6 is solid
Surely the left end of the output shaft 7 is connected to, and the right end portion of the output shaft 7 is located at the outside of the main body shell 18, institute
Two stage reducer can be formed by stating secondary solar gear 6 and the secondary planet wheel 5；Wheel rim connector 8, the wheel rim connector 8
It is fixedly connected on the right end of the output shaft 7 and positioned at the outside of the main body shell 18.
Herein, the power set are preferably motor, and motor can be installed to a left side for the entire deceleration device
End position, following description are all directly described by embodiment of motor, but do not imply that all power set of the present invention
Only it is defined in motor.
Specifically, as illustrated in fig. 1 and 2, as the input terminal of power, level-one sun gear 2 can directly pass through pin, spline etc.
Connector is installed on passing power on the output shaft of motor, can directly as gear shaft form by shaft coupling by gear
The wheel shaft of axis and the output axis connection of motor carry out passing power, and one can also be set to the output shaft of motor and waits and then directly passes
Graduating power, specific form can be selected according to actual conditions, only need that the power of power set can be transferred, here not
It is to be particularly limited；Transmission maincenter of the transmission shaft 4 as power, is pivotably mounted in main body shell 18, primary planet
Wheel 3 is sheathed on the left end position of transmission shaft 4 by connectors such as spline or pins, while is engaged with level-one sun gear, two level row
Star-wheel 5 can be fixedly connected on the position of the close right end on transmission shaft 4 and positioned at transmission shaft 4 by connectors such as key or pins,
I.e. after secondary planet wheel 5 is fixed on transmission shaft 4, it is the right side for protruding from secondary planet wheel 5 that the right end of transmission shaft 4, which has an axis,
End, in order to install and fix in main body shell 18 in transmission shaft 4；Output terminal of the output shaft 7 as power, it is pivotable
It is installed in main body shell 18, and its center axis is overlapped in the guarantee of the central axis maximum possible of level-one sun gear 2, to carry
The precision and performance of high entire deceleration device；Secondary solar gear 6 can be fixed on output shaft 7 most by connectors such as key or pins
Left end is engaged with secondary planet wheel 5, it is preferred that and secondary solar gear 6 can be set to the gear shaft form of integral type with output shaft 7,
To improve the intensity of secondary solar gear 6；Wheel rim connector 8, can be by key, screw, pin etc. even as last output block
Fitting is fixed on the right end position of output shaft 7, and the left end end face of wheel rim connector 8 and the right end end of main body shell 18
It needs to leave certain interval between face, to prevent wheel rim connector 8 from generating interference with main body shell 18 during rotation, influence
The security of entire deceleration device.In addition, the periphery of wheel rim connector 8 can be equipped with several bolts hole, in the dress that will entirely slow down
It puts and is applied to vehicle when on products, can directly be connected rim for automobile wheel and wheel rim connector 8 by connectors such as bolts
Connect fixation.During work, power by motor output shaft is transferred to and is connected to motor shaft entire deceleration device by motor
On level-one sun gear 2, level-one sun gear 2 imparts power to the primary planet wheel 3 being engaged with, and primary planet wheel 3 passes through
Transmission shaft 4 imparts power to secondary planet wheel 5, and secondary planet wheel 5 imparts power to the secondary solar gear being engaged with again
6, secondary solar gear 6 continues to pass to power into the wheel rim connector 8 for the right end for being fixed on output shaft 7 by output shaft 7, makes
It obtains wheel rim connector 8 to rotate together in company with output shaft 7, so as to drive vehicle wheel rotation.It herein, can be by changing the sun at different levels
The magnitude relationship of wheel and planetary gear, to realize different gearratios.
The one embodiment provided according to the present invention includes at least three transmission shafts 4, and the every transmission shaft
The primary planet wheel 3 and a secondary planet wheel 5, the level-one sun gear 2 to be engaged in each institute there are one being all provided on 4
Primary planet wheel 3 is stated, the secondary solar gear 6 is engaged in each secondary planet wheel 5.At least three transmission shafts 4 can make
The total number of teeth in engagement of level-one sun gear 2 and primary planet wheel 3 increases, should so as to avoid level-one sun gear 2 and primary planet wheel 3
Power is concentrated, and the situation of unbalance stress, gear teeth fracture or failure occurs.Preferably, three transmission shafts 4, and institute can be equipped with
State that transmission shaft 4 can circumferentially array be arranged in the main body shell centered on the central axis of the level-one sun gear 2
In 18.It can so cause primary planet wheel 3 and secondary planet wheel 5 is distributed in level-one sun gear 2 and secondary solar gear 6 respectively
Around, so that level-one sun gear 2 and secondary solar gear 6 are more uniformly stressed, the stability of entire deceleration device is more preferable.
The one embodiment provided according to the present invention, the right end of the every transmission shaft 4 are arranged with clutch shaft bearing 9, institute
It states and the first accommodating chamber 20 is equipped in main body shell 18, the clutch shaft bearing 9 is installed in first accommodating chamber 20.Pass through first
Bearing 9 fixes the right end of transmission shaft 4 and main body shell 18, can reduce transmission shaft 4 in rotation process with main body shell 18
Frictional force so that the pivot of transmission shaft 4 is more efficient, to improve the performance of entire deceleration device.
The one embodiment provided according to the present invention, is equipped with second bearing 10 on the every transmission shaft 4, and described second
Bearing 10 is sheathed on the transmission shaft 4, and the second bearing 10 be located at the primary planet wheel 3 and secondary planet wheel 5 it
Between, the second accommodating chamber 21 is equipped in the main body shell 18, the second bearing 10 is installed in second accommodating chamber 21.It is logical
It crosses second bearing 10 to fix the centre of transmission shaft 4 and main body shell 18 so that there are two fixed pivots in master for entire transmission shaft 4
On body shell body 18, to improve the stability of transmission shaft 4, while by bearing can reduce transmission shaft 4 in rotation process with master
The frictional force of body shell body 18 so that the pivot of transmission shaft 4 is more efficient, to improve the performance of entire deceleration device.
The one embodiment provided according to the present invention is arranged with 3rd bearing 11, the main body shell on the output shaft 7
The 3rd accommodating chamber 22 is equipped in 18, the 3rd bearing 11 is installed in the 3rd accommodating chamber 22.It will by 3rd bearing 11
Output shaft 7 and main body shell 18 are fixed, and to improve the stability of output shaft 7, while can be reduced output shaft 7 by bearing and turned
Frictional force during dynamic with main body shell 18 so that the pivot of output shaft 7 is more efficient, to improve the property of entire deceleration device
Energy.
The one embodiment provided according to the present invention is equipped with first between the clutch shaft bearing 9 and the secondary planet wheel 5
End ring 12.Clutch shaft bearing baffle ring 12 can position clutch shaft bearing 9, prevent 9 axial float of clutch shaft bearing.
The one embodiment provided according to the present invention is equipped with the second axis between the primary planet wheel 3 and second bearing 10
Hold baffle ring 14.Second bearing baffle ring 14 can position second bearing 10, prevent 10 axial float of second bearing.
Herein, for the ease of the assembling of the parts such as each gear and axis and bearing, the main body shell 18 can be set
The structure of left and right two-part is calculated as, including left end main body shell 1 and right end main body shell 17.Wherein, first accommodating chamber
20 and second accommodating chamber 21 be arranged on the left end main body shell 1 inside, the 3rd accommodating chamber 22 be arranged on the right end
The inside of main body shell 17；First accommodating chamber 20 can the inside of left end main body shell 1 formed a fixed planet carrier or
First accommodating chamber 20 can be formed by a planet carrier is fixed on 1 inside of left end main body shell；Second accommodating chamber 21 can be on a left side
The inside one fixed planet carrier of formation or the second accommodating chamber 21 for holding main body shell 1 can be by being fixed on a left side by a planet carrier
1 inside of main body shell is held to be formed；Specific location in left end main body shell 1 of first accommodating chamber 20 and the second accommodating chamber 21 or
Forming specific location of the planet carrier of the first accommodating chamber 20 and the second accommodating chamber 21 in left end main body shell 1 should be with actual conditions
It designs, only need to ensure level-one sun gear 2, primary planet wheel 3, secondary planet wheel 5, the transmission shaft 4 with each bearing in left end main body
The realization of installation and function in housing 1.The right end of left end main body shell 1 is equipped with the axis hole for accommodating output shaft 7, specifically exists
It, can be first by the output shaft 7 equipped with secondary solar gear 6 from left end main body shell 1 when assembling and the entire deceleration device of manufacture
Left end by the inside of left end main body shell 1 through the axis hole, then again by secondary planet wheel 5, clutch shaft bearing baffle ring 12,
Clutch shaft bearing 9 is assembled to from the left end of transmission shaft 4 on transmission shaft 4 successively, then the left end of transmission shaft 4 is assembled to the first accommodating chamber
So that 9 and first accommodating chamber 20 of clutch shaft bearing coordinates in 20；Then again by second bearing 10, second bearing baffle ring 14, level-one row
The right end of star-wheel 3 from transmission shaft 4 is in turn mounted on transmission shaft 4；Finally the right end of 3rd bearing 11 from output shaft 7 is installed to
On output shaft 7, then right end main body shell 17 and left end main body shell 1 be secured together so that 3rd bearing 11 and the 3rd is held
Chamber 22 of receiving coordinates, and wheel rim connector 8 is finally assembled to the right end of output shaft 7 again.It should be noted that when secondary planet wheel 5
When being set to integral type with transmission shaft 4, it is only necessary to which clutch shaft bearing baffle ring 12, clutch shaft bearing 9 are installed successively.
The one embodiment provided according to the present invention, the every transmission shaft 4 are equipped at least two clutch shaft bearings
9, and it is equipped with the first spacer 13 between each clutch shaft bearing 9.Set two clutch shaft bearings 9 can be to avoid bearing because of stress mistake
Premature failure greatly, and then influence the service life and performance of entire deceleration device；Set spacer that can keep away between two bearings
Exempt from bearing and the harmful effects such as generation noise are interfered when rotating.
Preferably, the clutch shaft bearing 9 is taper roll bearing.Taper roll bearing can bear simultaneously radial load and
Axial load contributes to the load distribution of entire deceleration device and stability, the effect reached when using in pairs more preferable.
Preferably, the secondary planet wheel 5 is set to one with the transmission shaft 4.So be conducive to the manufacture of transmission shaft 4 with
And ensure the intensity of secondary planet wheel 5 and the structural compactness of entire deceleration device.
Preferably, the secondary solar gear 6 is set to one with the output shaft 7.So be conducive to the manufacture of output shaft 7 with
And ensure the intensity of secondary solar gear 6 and the structural compactness of entire deceleration device.
The one embodiment provided according to the present invention, the second bearing 10 are cylinder roller bearing.Cylinder roller bearing
Radial direction large carrying capacity, on the axis suitable for bearing heavy load and impact load, and in the embodiment of the invention, second bearing 10
The radial load that primary planet wheel 3 is applied to transmission shaft 4 is directly supported, therefore selects cylinder roller bearing can be to avoid bearing
Premature failure and be conducive to entirely subtract the stability of device.
The one embodiment provided according to the present invention, the output shaft 7 are equipped at least two 3rd bearings 11, and
The second spacer 15 is equipped between each 3rd bearing 11.Set two 3rd bearings 11 can be excessive because of stress to avoid bearing
And premature failure, and then the service life and performance of entire deceleration device are influenced, meanwhile, output shaft 7 is in right end main body shell 17
Upper, by a fixed pivot, is selected at least two bearings to help to increase 11 and the 3rd accommodating chamber 22 of 3rd bearing
Contact area, and then strengthen the transmission stability of output shaft 7；Set spacer can be to avoid bearing when rotating between two bearings
It interferes and generates the harmful effects such as noise.
The one embodiment provided according to the present invention, the 3rd bearing 11 are deep groove ball bearing.The biography of deep groove ball bearing
Efficiency of movement is higher, mainly there is larger radial load on output shaft 7, selects deep groove ball bearing that can improve entire deceleration device
Efficiency and stability.
The one embodiment provided according to the present invention is equipped with rotation oil between the output shaft 7 and the main body shell 18
Envelope 19, the wheel rim connector 8 is sheathed on the output shaft 7, and the rotary oil seal 19 is sheathed on the wheel rim connector 8
On, when wheel rim connector 8 is installed on output shaft 7, rotary oil seal 19 will be between wheel rim connector 8 and right end main body shell 17
Gap seals, the setting of rotary oil seal 19 contributes to the leakproofness of entire deceleration device.
Second object of the present invention is to provide a kind of sit-astride rail vehicle, which stablizes,
Noise is smaller.
The sit-astride rail vehicle provided according to embodiments of the present invention, the sit-astride rail vehicle are equipped with any of the above-described
Secondary planetary gear deceleration device described in.The sit-astride rail vehicle mainly includes car body body, tire and described two
Grade epicyclic reduction gear unit, the secondary planetary gear deceleration device include：Main body shell 18, main body shell 18 are used to install
Each parts of deceleration device, and the shape and structure of the main body shell 18 is according to the position relationship between each parts and installation shape
Formula determines；Level-one sun gear 2, the level-one sun gear 2 be located in the main body shell 18 and with for providing the dynamic of power
The line shaft of power apparatus is connected for being passed to the power of power set into the gear being meshed therewith；Primary planet wheel
3, the primary planet wheel 3 is located in the main body shell 18 of the circumference peripheral position of the level-one sun gear 2, and with it is described
Level-one sun gear 2 is meshed to receive the power of the transmission of level-one sun gear 2 and then further carries out power to pass to next stage
Gear；Transmission shaft 4,4 level of transmission shaft is pivotable to be installed in the main body shell 18, and the primary planet wheel 3
The left end of the transmission shaft 4 is fixed on, another gear being installed on transmission shaft 4 is imparted power to by transmission shaft 4；Two
Grade planetary gear 5, the secondary planet wheel 5 are fixed on the transmission shaft 4 and close to the right end of the transmission shaft 4；The two level sun
Wheel 6, the secondary solar gear 6 and the level-one sun gear 2 be coaxially disposed in the main body shell 18 and with the two level row
Star-wheel 5 is meshed；Output shaft 7,7 level of output shaft is pivotable to be installed in the main body shell 18, and the two level is too
Sun wheel 6 is fixedly connected on the left end of the output shaft 7, and the right end portion of the output shaft 7 is located at the main body shell 18
Outside；Wheel rim connector 8, the wheel rim connector 8 are fixedly connected on the right end of the output shaft 7 and positioned at the main body shells
18 outside.The tire further comprises tire body and wheel rim, and the wheel rim connector 8 is equipped with bolt hole, the wheel
The wheel rim of tire can be directly fixedly connected by bolt with the wheel rim connector 8, and then by entire tire and the two level row
Star deceleration device connects, and the power of power set output drives entire vehicle by the deceleration of the two-stage planetary reduction device
Operation.
The secondary planetary gear deceleration device provided according to embodiments of the present invention, including main body shell 18, level-one sun gear
2nd, primary planet wheel 3, transmission shaft 4, secondary planet wheel 5, secondary solar gear 6, output shaft 7 and wheel rim connector 8, wherein, level-one
Power is inputted and power is transferred to two level by the primary planet wheel 3 and secondary planet wheel 5 that are located on transmission shaft 4 by sun gear 2
Sun gear 6, then be directly output to by secondary solar gear 6 on output shaft 7.By changing power output mode, by output shaft 7 and two
Grade sun gear 6 connects so that the secondary planetary gear deceleration device, which can reach, preferably to be carried, and vibration and noise are smaller, together
When have it is compact-sized, it is small, manufacture the advantages of at low cost.
In the description of the present invention, it is to be understood that the fingers such as term " on ", " under ", " one end ", " centre ", " circumference "
The orientation or position relationship shown is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies
Description rather than instruction imply that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.
In addition, term " first ", " another " are only used for description purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Person implicitly includes at least one this feature.In the description of the present invention, " multiple ", " several " are meant that at least two, example
Such as two, three 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 being fixedly connected or being detachably connected or integral；Can be that machinery connects
It connects or is electrically connected or can communicate each other；It can be directly connected, can also be indirectly connected by intermediary, it can be with
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, the description of reference term " one embodiment ", " example " etc., which means to combine, is somebody's turn to do
Embodiment or example particular features, structures, materials, or characteristics described are contained at least one embodiment of the present invention or show
In example.In the present specification, a schematic expression of the above terms does not necessarily refer to the same embodiment or example.And
And particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples with suitable side
Formula combines.In addition, without conflicting with each other, those skilled in the art can be real by the difference described in this specification
It applies example or example and different embodiments or exemplary feature is combined and combines.
Although the embodiment of the present invention has 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, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (19)
1. a kind of secondary planetary gear deceleration device, which is characterized in that including：
Main body shell；
First stage decelerator, the first stage decelerator are installed in the theme housing；
Transmission shaft, the transmission shaft level is pivotable to be installed in the main body shell, and the left end connection of the transmission shaft
In the first stage decelerator；
Two stage reducer, the two stage reducer be installed in the main body shell and by the right end of the transmission shaft with it is described
First stage decelerator connects；
Output shaft, the output shaft level is pivotable to be installed in the main body shell；And the left end connection of the output shaft
In the two stage reducer, and the right end portion of the output shaft is located at the outside of the main body shell；
Wheel rim connector, the wheel rim connector are fixedly connected on the right end of the output shaft and positioned at the outer of the main body shell
Side.
2. secondary planetary gear deceleration device according to claim 1, which is characterized in that the first stage decelerator includes：
Level-one sun gear, the level-one sun gear be located in the main body shell and with for providing the line shaft of the power set of power
It is connected；
Primary planet wheel, the primary planet wheel are located in the main body shell of the circumference peripheral position of the level-one sun gear
And be meshed with the level-one sun gear, and the primary planet wheel is fixed on the left end of the transmission shaft；
The two stage reducer includes：Secondary planet wheel, the secondary planet wheel are fixed on the transmission shaft and close to described
The right end of transmission shaft；
Secondary solar gear, the secondary solar gear and the level-one sun gear be coaxially disposed in the main body shell and with it is described
Secondary planet wheel is meshed, and the secondary solar gear is fixedly connected on the left end of the output shaft.
3. secondary planetary gear deceleration device according to claim 2, which is characterized in that include at least three biographies
Moving axis, and be all provided on the every transmission shaft there are one the primary planet wheel and a secondary planet wheel, the level-one
Sun gear is engaged in each primary planet wheel, and the secondary solar gear is engaged in each secondary planet wheel.
4. secondary planetary gear deceleration device according to claim 3, which is characterized in that the transmission shaft is with the level-one
Circumferentially array is arranged in the main body shell centered on the central axis of sun gear.
5. secondary planetary gear deceleration device according to claim 4, which is characterized in that the right end of the every transmission shaft
Clutch shaft bearing is arranged with, the first accommodating chamber is equipped in the main body shell, the clutch shaft bearing is installed on described first and accommodates
Intracavitary.
6. secondary planetary gear deceleration device according to claim 5, which is characterized in that be all provided on the every transmission shaft
There is second bearing, the second bearing is located at the right end of the clutch shaft bearing, and the second bearing is sheathed on the transmission shaft,
And the second bearing is equipped with second between the primary planet wheel and secondary planet wheel, in the main body shell and accommodates
Chamber, the second bearing are installed in second accommodating chamber.
7. secondary planetary gear deceleration device according to claim 6, which is characterized in that is arranged on the output shaft
Three bearings, the 3rd accommodating chamber is equipped in the main body shell, and the 3rd bearing is installed in the 3rd accommodating chamber.
8. secondary planetary gear deceleration device according to claim 5, which is characterized in that the clutch shaft bearing and described two
Clutch shaft bearing baffle ring is equipped between grade planetary gear.
9. secondary planetary gear deceleration device according to claim 8, which is characterized in that the every transmission shaft is equipped with
At least two clutch shaft bearings, and it is equipped with the first spacer between each clutch shaft bearing.
10. secondary planetary gear deceleration device according to claim 9, which is characterized in that the clutch shaft bearing is circular cone
Roller bearing.
11. secondary planetary gear deceleration device according to claim 8, which is characterized in that the secondary planet wheel and institute
It states transmission shaft and is set to one.
12. secondary planetary gear deceleration device according to claim 1, which is characterized in that the secondary solar gear and institute
It states output shaft and is set to one.
13. secondary planetary gear deceleration device according to claim 6, which is characterized in that the primary planet wheel and
Second bearing baffle ring is equipped between two bearings.
14. secondary planetary gear deceleration device according to claim 13, which is characterized in that the second bearing is cylinder
Roller bearing.
15. secondary planetary gear deceleration device according to claim 7, which is characterized in that the output shaft is equipped with extremely
Few two 3rd bearings, and it is equipped with the second spacer between each 3rd bearing.
16. secondary planetary gear deceleration device according to claim 15, which is characterized in that the 3rd bearing is zanjon
Ball bearing.
17. secondary planetary gear deceleration device according to claim 15, which is characterized in that the output shaft and the master
Rotary oil seal is equipped between body shell body, the wheel rim connector is sheathed on the output shaft, and the rotary oil seal is sheathed on institute
It states on wheel rim connector.
18. secondary planetary gear deceleration device according to claim 1, which is characterized in that the power set are motor,
The level-one sun gear passes through pin and motor axis connection.
19. a kind of sit-astride rail vehicle, which is characterized in that it is any that the sit-astride rail vehicle is equipped with claim 1-18
Secondary planetary gear deceleration device described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190621.0A CN108087499A (en) | 2017-11-24 | 2017-11-24 | A kind of secondary planetary gear deceleration device and sit-astride rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190621.0A CN108087499A (en) | 2017-11-24 | 2017-11-24 | A kind of secondary planetary gear deceleration device and sit-astride rail vehicle |
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| Publication Number | Publication Date |
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| CN108087499A true CN108087499A (en) | 2018-05-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711190621.0A Pending CN108087499A (en) | 2017-11-24 | 2017-11-24 | A kind of secondary planetary gear deceleration device and sit-astride rail vehicle |
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| CN106812871A (en) * | 2016-09-21 | 2017-06-09 | 比亚迪股份有限公司 | Decelerator, dynamical system and straddle-type track train |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004048805A1 (en) * | 2002-11-22 | 2004-06-10 | Joachim Arndt | Method for effecting low-loss torque transmission in planetary gears |
| CN103671734A (en) * | 2013-12-04 | 2014-03-26 | 镇江新区汇达机电科技有限公司 | Multi-point-meshing outer gear speed reducer |
| CN103939530A (en) * | 2014-05-05 | 2014-07-23 | 国家电网公司 | Force amplifier |
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