WO2015015806A1 - 平行カルダン駆動方式の鉄道車両用歯車装置 - Google Patents
平行カルダン駆動方式の鉄道車両用歯車装置 Download PDFInfo
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- WO2015015806A1 WO2015015806A1 PCT/JP2014/004013 JP2014004013W WO2015015806A1 WO 2015015806 A1 WO2015015806 A1 WO 2015015806A1 JP 2014004013 W JP2014004013 W JP 2014004013W WO 2015015806 A1 WO2015015806 A1 WO 2015015806A1
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- Prior art keywords
- gear
- helical
- tooth
- small gear
- cardan drive
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- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
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- 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
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
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- 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
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
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- 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
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
- F16H1/08—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes the members having helical, herringbone, or like teeth
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- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H55/0886—Profiling with corrections along the width, e.g. flank width crowning for better load distribution
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
- F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
- F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/10—Railway vehicles
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
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- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H2055/0893—Profiling for parallel shaft arrangement of toothed members
Definitions
- the present invention relates to a parallel cardan drive comprising a pair of helical large gears and helical small gears each having gear specifications having a module of 4 to 8, a pressure angle of 20 to 30 ° and a helix angle of 15 to 30 °.
- the present invention relates to a railway vehicle gear device.
- the parallel cardan drive type railway vehicle transmits the torque generated by the main motor fixed to the chassis to the axle via a flexible shaft joint and a gear device, and rotates on wheels provided on the axle to travel on the rail.
- a gear device (hereinafter simply referred to as a “gear device”) used in such a railway vehicle is a pair of helical large gear (hereinafter simply referred to as “large gear”) and helical small gear (hereinafter simply referred to as “gear gear”). It is referred to as a “small gear” and rotates while meshing with each other to transmit torque.
- the small gear fixed to the rotary shaft connected to the flexible joint and the large gear fixed to the axle are housed in the gear box, and the rotary shaft portions located on both sides in the axial direction of the small gear are respectively the first cones. While being supported by a gear box via a roller bearing, axle portions located on both sides in the axial direction of the large gear are each supported by a gear box via a second tapered roller bearing.
- the end play value is set to be larger than the end play value of the small gear, but usually, the axle with the large gear fixed has a long axial length, Because it is supported by rails via wheels that are extrapolated on both sides of the axle, even if the end play value is set large, there is almost no adverse effect on the meshing of the paired large gear and small gear Can be considered. For this reason, on the large gear side, tooth profile correction in the tooth surface in the tooth height direction and crowning and relieving correction on the tooth surface in the tooth trace direction are not performed, and only the small gear is in the tooth height direction. It has been conventionally performed to improve the meshing between the large gear and the small gear by modifying the tooth profile with respect to the tooth surface and crowning and relieving with respect to the tooth surface in the tooth trace direction.
- the predetermined range of the tooth tip and the predetermined range of the tooth root are uniform in the tooth trace direction of the entire tooth width (for example, when the tooth width is 70 mm, 20-30 ⁇ m) tooth profile modification, tooth width direction central area is crowned with a predetermined value (for example, 20 mm) with a circular curve (for example, radius R ⁇ 17685 mm) in the tooth width direction and tooth width direction
- a predetermined value for example, 20 mm
- a circular curve for example, radius R ⁇ 17685 mm
- the amount of correction in the direction of the tooth trace that is obtained by applying relieving (modification) at a predetermined value (for example, 50 ⁇ m) with an arc curve having a radius different from the arc curve at the time of crowning, and adding crowning and relieving at both end faces Is a predetermined value (for example, 70 ⁇ m), and two-dimensional tooth surface modification is performed.
- a complete contact line region having a width that is an integral multiple of the tooth width direction contact line pitch with respect to the tooth surface of a helical gear.
- 3D bias tooth surface modification is performed so that contact does not occur when meshing with a tooth surface other than the complete contact line region (that is, the tooth profile shape in the tooth height direction tooth surface sequentially varies depending on the tooth trace direction position) It is known from Patent Document 1 that a so-called bias-out three-dimensional tooth surface modification is performed.
- a crowning of 5 to 20 ⁇ m is applied in the meshing contact line direction of the tooth surface with respect to the effective meshing range of the tooth surface of the helical gear, and the crowning in the meshing contact line direction, the tooth tip and the tooth root are modified.
- Patent Document 2 It is known from Patent Document 2 that a so-called bias-in three-dimensional tooth surface modification is performed.
- the present invention is a low-cost parallel cardan drive type railway that can reduce vibration and noise that occur when a large gear and a small gear mesh with each other only by two-dimensional tooth surface modification.
- An object of the present invention is to provide a vehicle gear device.
- the module has 4 to 8, a pressure angle of 20 to 30 °, and a gear specification having a torsion angle of 15 to 30 °, respectively.
- the tooth surface of the helical small gear is crowned on the tooth surface in the tooth trace direction, and the tooth surface Is characterized by having a sinusoidal shape over the entire width in the tooth width direction of the helical gear, which is located in the central region in the tooth width direction of the helical gear and expressed by a single sine function.
- the midpoint of the small gear in the tooth width direction and the midpoint of the distance between the load application points of the tapered roller bearings are shifted, and the tooth meshing is effectively performed.
- the rate may not be improved.
- the central region may be between the center of the helical small gear in the tooth width direction and the midpoint of the distance between the load acting points of the tapered roller bearings.
- the maximum clearance in the tooth trace direction with respect to the helical large gear, which can be generated by the precession while the helical small gear rotates, is Cm
- the pressure angle is ⁇
- the torsion angle is ⁇
- the modification amount R 1 when applying the crowning is: It is preferable to set within the range of the formula (1).
- the module has 4 to 8, a pressure angle of 20 to 30 ° and a torsion angle of 15 to 30 °.
- the tooth surface in the tooth trace direction of the helical small gear is represented by a single sine function.
- crowning in a sinusoidal shape over a range of 55% or more of the total width in the tooth width direction of the helical small gear the remaining portions at both ends in the tooth width direction are relieved in an arc shape.
- the small gear and the large gear come into contact with each other so as to follow the precession movement of the small gear.
- the tooth contact area is further secured, the tooth meshing rate is improved, and vibration and noise including sidebands generated when the small gear and the large gear mesh can be reduced.
- the increase in the cost of manufacturing the helical gear is suppressed. Can do.
- the maximum clearance in the tooth trace direction with respect to the helical large gear, which can be generated by the precession of the helical small gear, is Cm
- the pressure angle is ⁇
- the torsion angle is ⁇
- direction modification amount R 2 is It is preferable to set within the range of the formula (2).
- the schematic diagram which shows the structure of the railroad vehicle of a parallel cardan drive system.
- (a) is a partial cross-sectional view showing a gear device of the present invention
- (b) is a partial cross-sectional view showing an enlarged portion of a small gear
- (c) is a tooth surface direction tooth surface modification of the small gear. Illustration to explain.
- the graph which shows the result of having measured noise with the gear apparatus of the prior art example, and having performed frequency analysis of the measurement data with the FFT analyzer.
- the graph which shows the result of having carried out the simulation analysis of transition of the clearance gap of the tooth trace direction with respect to the tooth surface of the large gear of the tooth surface of a small gear with the gear apparatus of a prior art example.
- (a) And (b) is a perspective view explaining the clearance gap produced between the tooth surfaces of a small gear and a large gear. The figure explaining the tooth trace direction tooth surface modification of the small gear concerning other embodiments.
- (a)-(c) is a figure which shows the result of having carried out the simulation analysis of the tooth-contact area
- RC is a parallel cardan drive type railway vehicle, and the railway vehicle RC is connected to a main motor DM fixed to a chassis (not shown) and connected to the main motor DM through a flexible shaft joint FC.
- the torque generated by the main motor DM is transmitted to the axle DS via the flexible shaft coupling FC and the gear device GM, and the pair of left and right wheels DW and DW provided on the axle DS are rotated. It runs on a rail that is not shown.
- the main motor DM and the bending shaft coupling FC detailed description is abbreviate
- the gear device GM includes a helical small gear (hereinafter referred to as “small gear 1”) and a helical large gear (hereinafter referred to as “large gear 2”),
- the small gear 1 and the large gear 2 rotate while meshing with each other to transmit torque.
- the small gear 1 and the large gear 2 are manufactured to have gear specifications having a module of 4 to 8, a pressure angle of 20 to 30 °, and a torsion angle of 15 to 30 °, respectively.
- the small gear 1 fixed to the rotary shaft 3 connected to the flexible joint FC and the large gear 2 fixed to the axle DS are housed in a gear box 4, and the rotary shaft 3 positioned on both sides in the axial direction of the small gear 1.
- each second tapered roller bearing 61 positioned on both axial sides of the gear wheel 2 It is pivotally supported by the gear box 4 through 6 2.
- the first tapered roller bearing 5 1, 5 2 have the same configuration, an inner ring 51 which is an interference fit on the rotary shaft 3, the rollers 52, the retainer -53, are those known and a outer ring 54 Further, presser plates 55a and 55b serving as lids are provided at the bearing mounting locations of the gear box 4 so as to be fitted on the outer ring 54 and sandwich the inner ring 51 between the small gear 1 from both sides in the axial direction.
- the second tapered roller bearing 6 and 62 also have the same configuration, an inner ring 61 which is an interference fit in the axle DS, the rollers 62, the retainer -63, known comprising an outer ring 64
- the lids 41 a and 41 b that are fitted on the outer ring 64 are fixed to the bearing mounting portion of the gear box 4.
- a bearing retainer 65 for sandwiching the inner ring 61 from both sides in the axial direction with the large gear 2 is fixed to the axle DS by interference fitting.
- noise measurement is performed with the rotation speed of the small gear set to 4480 rpm, and the measurement data is subjected to frequency analysis with an FFT analyzer.
- the results are shown in FIG. According to this, a peak of a peak noise whose noise level increases at the meshing frequency of 2165 Hz appears, and on both sides, several peaks whose noise level appears greatly at a certain frequency in the low frequency region and the high frequency region. It was confirmed that noise (hereinafter simply referred to as “sideband waves”) appeared. From this, it is considered that when the small gear and the large gear are engaged with each other and the gear device of the conventional example rotates, the contact area of the small gear and the large gear becomes small, resulting in insufficient meshing rate. .
- the inventors of the present application have made extensive studies and set the rotation phase angle of the rotation shaft to ⁇ , and the tooth surface of the small gear in the direction of the tooth trace relative to the tooth surface of the large gear caused by the precession of the small gear.
- the maximum clearance + Cm is calculated while the small gear rotates halfway when the rotational phase angle ⁇ of the small gear is between 0 ° and 180 °.
- the inventor has obtained the knowledge of drawing a locus conforming to a sine curve represented by a single sine function to the minimum gap ⁇ Cm. As shown in FIGS.
- the clearance C has a tooth trace direction error or a parallelism error in the rotation axis between the small gear 1 and the large gear 2, and the small gear and the large gear are separated from each other.
- the apex 11a is located in the central region in the tooth width GW direction of the small gear 1 with respect to the tooth surface 11 in the tooth trace direction.
- the tooth surface 11 is crowned so that the tooth surface 11 has a sinusoidal shape extending over the entire width of the small gear 1 in the tooth width GW direction.
- the tapered roller bearing 5 1 from the center of the tooth width direction of the pinion 1, 5 2 If the distance to the position are respectively disposed are different, tooth width GW direction midpoint GC and both tapered roller bearings 5 1 of the pinion 1, 5 2 of the load action point 5P, and the middle point 5C of 5P distance It is not possible to improve the tooth meshing rate effectively. In such cases, the central region, if positioned between the small tooth width direction of the center GC and both tapered roller bearings 5 1 of the gear 1, 5 2 of the load action point 5P, midpoint 5C of 5P distance That's fine.
- modification amount R 1 when subjected to crowning the maximum gap Cm, the pressure angle alpha, the helix angle beta, relative degree of deformation upon contact with a large helical gears are small helical gear
- influence coefficient A and B
- the small gear 1 and the large gear 2 are in contact with each other so as to follow this precession motion.
- the contact area is ensured to the maximum, and the tooth engagement rate is improved.
- the tooth surface 11 in the tooth trace direction is simply crowned so as to have a sinusoidal shape, a gear grinder capable of two-dimensional tooth surface modification that has been widely used conventionally is used. Can be processed in an equivalent time, and an increase in manufacturing cost of the small gear 1 can be suppressed.
- crowning is performed on the tooth surface 11 in the tooth trace direction so that the tooth surface 11 has a sinusoidal shape that is represented by a single sine function and extends over the entire width of the small gear 1 in the tooth width GW direction.
- the present invention is not limited to this. If it demonstrates with reference to FIG. 6, using the same code
- the apex 11a is located in the central region of the small gear 1 in the tooth width GW direction, and is represented by a single sine function.
- the sinusoidal shape covers a range GW 1 of 55% or more of the total width of the small gear 1 in the tooth width GW direction.
- the remaining portions GW 2 and GW 2 on both ends of the tooth width GW direction are relieved in an arc shape.
- the central region is the center GC in the tooth width direction of the small gear 1 and the load application point 5P of the tapered roller bearings 5 1 and 5 2 as described above.
- 5P may be located between the center point 5C and the relieving may be performed by combining two or more arc shapes having different radii.
- the correction amount R 2 in the tooth trace direction obtained by adding crowning and relieving at both end faces of the tooth width GW is the same as above, the maximum clearance is Cm, the pressure angle is ⁇ , the torsion angle is ⁇ , the helical small gear is When the influence coefficients are A and B with respect to the degree of deformation when contacting with a helical gear, the following equation (2) is used.
- the small gear 1 and the large gear 2 of the gear device GM are manufactured so as to have the above-described gear specifications, and the apex 11a is the center line GL in the tooth width GW direction of the small gear 1 with respect to the small gear 1.
- the crowning is performed so that the tooth surface 11 has a sinusoidal shape extending over the entire width of the small gear 1 in the tooth width GW direction, which is located above and represented by a single sine function.
- the modification amount R 1 was 0.045 mm.
- the apex 11a is located on the center line GL of the small gear 1 in the tooth width GW direction, and is represented by a single sine function, which is 55 of the full width of the small gear 1 in the tooth width GW direction.
- % GW 1 is crowned in a sinusoidal shape, and the remaining portions GW 2 and GW 2 on both ends of the tooth width GW direction are relieved in an arc shape. Stuff).
- the modification amount R 2 obtained by adding the crowning and Reribingu was 0.06 mm.
- the small gear 1 and the large gear 2 of the gear device GM are manufactured so as to have the above-described gear specifications, and the tooth surface in the tooth trace direction with respect to the small gear 1
- the central region in the width direction is subjected to crowning of an arc curve (for example, radius R ⁇ 17685 mm) and the rib width is applied to both ends of the tooth width direction by relieving with an arc curve having a radius different from the arc curve at the time of the crowning.
- Tooth surface modification was performed so that the amount of modification in the direction of the tooth trace added with crowning and relieving was 0.070 mm (conventional product).
- FIG. 7 is a graph showing the modified shapes of the tooth surfaces of the invention products 1 and 2 and the conventional product.
- the solid line indicates the invention product 1
- the one-dot chain line indicates the invention product 2
- the dotted line What is indicated by is a conventional product. According to this, it can be seen that the modified shapes in the tooth trace direction are clearly different.
- the tooth contact area of the small gear with respect to the large gear when the small gear and the large gear are rotated while meshing with each other of the inventive products 1 and 2 and the conventional product is analyzed with the tooth contact analysis software (Toyo Electric Manufacturing Co., Ltd.)
- a simulation analysis was performed using a product made by a company, and the results are shown in FIGS.
- the tooth contact area was about 39% (see FIG. 8C).
- the tooth contact area is about 64% (see FIG. 8A), and the tooth contact area is improved by about 1.6 times compared to the conventional product, and the invention product 2
- the tooth contact area was about 48% (see FIG. 8B), and it was confirmed that the tooth contact area was improved about 1.2 times compared to the conventional product. Thereby, it turns out that a meshing rate improves significantly.
- the invention 2 and the conventional product were used, the rotation speed of the small gear was changed within the range of 4310 rpm to 5478 rpm, the noise level at that time was measured, and the result is shown in FIG. According to this, it was confirmed that the noise level can be effectively reduced by improving the meshing rate, particularly when the rotational speed of the small gear exceeds 4490 rpm and exceeds 5200 rpm.
- RC parallel cardan drive type railway vehicle, GM ... gear device, 1 ... helical small gear (small gear), 2 ... deviating large gear (large gear), 11 ... tooth surface, 11a ... apex, GW ... tooth Width, GC: midpoint in the tooth width direction, 3 ... rotating shaft, 4 ... gear box, 5 1 , 5 2 ... tapered roller bearing, 5P ... loading point of tapered roller bearing, 5C ... midpoint between loading points, R 1 , R 2 ... Adjustment amount during crowning.
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Combustion & Propulsion (AREA)
- Gear Transmission (AREA)
- Gears, Cams (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
の式(1)の範囲内に設定されることが好ましい。
Claims (5)
- モジュールが4~8、圧力角が20~30°及びねじれ角が15~30°の歯車諸元を夫々有する、対をなすはすば小歯車とはすば大歯車とを備える平行カルダン駆動方式の鉄道車両用歯車装置であって、はすば小歯車の歯筋方向の歯面にクラウニングを施してなるものにおいて、
前記歯面は、頂点がはすば小歯車の歯幅方向中央領域に位置し、単一の正弦関数で表される、はすば小歯車の歯幅方向全幅に亘る正弦曲線形状を持つことを特徴とする平行カルダン駆動方式の鉄道車両用歯車装置。 - 請求項1記載の平行カルダン駆動方式の鉄道車両用歯車装置であって、
回転軸に固定のはすば小歯車が歯車箱内に収納され、はすば小歯車の軸方向両側に位置する回転軸部分が夫々円錐ころ軸受を介して歯車箱に軸支されるものにおいて、
前記中央領域は、前記はすば小歯車の歯幅方向の中心と前記両円錐ころ軸受の荷重作用点間距離の中点との間であることを特徴とする平行カルダン駆動方式の鉄道車両用歯車装置。 - モジュールが4~8、圧力角が20~30°及びねじれ角が15~30°の歯車諸元を夫々有する、対をなすはすば小歯車とはすば大歯車とを備える平行カルダン駆動方式の鉄道車両用歯車装置において、
はすば小歯車の歯筋方向の歯面に、単一の正弦関数で表される、はすば小歯車の歯幅方向全幅の55%以上の範囲に亘る正弦曲線形状にてクラウニングを施す共に、歯幅方向両端側の残存部分を円弧形状にてレリービングを施して構成したことを特徴とする平行カルダン駆動方式の鉄道車両用歯車装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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RU2016107393A RU2658574C2 (ru) | 2013-08-02 | 2014-07-30 | Зубчатая передача железнодорожного транспортного средства с системой параллельного карданного привода |
US14/908,915 US10036464B2 (en) | 2013-08-02 | 2014-07-30 | Railway vehicle gear device of parallel cardan drive system |
CN201480041897.0A CN105452731B (zh) | 2013-08-02 | 2014-07-30 | 平行万向节传动方式的铁路车辆用齿轮装置 |
JP2015529395A JP6321653B2 (ja) | 2013-08-02 | 2014-07-30 | 平行カルダン駆動方式の鉄道車両用歯車装置 |
KR1020167005675A KR20160038054A (ko) | 2013-08-02 | 2014-07-30 | 평행 카르단 구동방식의 철도차량용 치차장치 |
Applications Claiming Priority (2)
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JP2013-161118 | 2013-08-02 | ||
JP2013161118 | 2013-08-02 |
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WO2015015806A1 true WO2015015806A1 (ja) | 2015-02-05 |
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PCT/JP2014/004013 WO2015015806A1 (ja) | 2013-08-02 | 2014-07-30 | 平行カルダン駆動方式の鉄道車両用歯車装置 |
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US (1) | US10036464B2 (ja) |
JP (1) | JP6321653B2 (ja) |
KR (1) | KR20160038054A (ja) |
CN (1) | CN105452731B (ja) |
RU (1) | RU2658574C2 (ja) |
TW (1) | TWI628377B (ja) |
WO (1) | WO2015015806A1 (ja) |
Cited By (3)
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JP2017532510A (ja) * | 2014-10-02 | 2017-11-02 | イートン コーポレーションEaton Corporation | ギア歯クラウニング配置 |
JP2018138810A (ja) * | 2017-02-24 | 2018-09-06 | 東洋電機製造株式会社 | 平行カルダン駆動方式の鉄道車両用歯車装置 |
JP2020512940A (ja) * | 2017-04-03 | 2020-04-30 | ザ グリーソン ワークス | 正弦曲線−放物線混成運動誤差を生成するように歯車を機械加工する方法、それにより製造された歯車、およびその方法を実施するための機械 |
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JP2016023698A (ja) * | 2014-07-18 | 2016-02-08 | キヤノン株式会社 | 複合歯車およびその製造方法 |
GB201609531D0 (en) * | 2016-05-31 | 2016-07-13 | Romax Technology Ltd | Planetary gearsets |
DE102016213997A1 (de) * | 2016-07-29 | 2018-02-01 | Voith Patent Gmbh | Radsatzgetriebe und Verfahren zur Montage |
DE102017221736B4 (de) * | 2017-12-03 | 2021-11-25 | Audi Ag | Verfahren zur Akustikbeeinflussung von Zahnrädern |
CN109751395A (zh) * | 2019-03-04 | 2019-05-14 | 中车北京南口机械有限公司 | 齿轮及齿轮箱,以及具有该齿轮箱的城轨车辆 |
JP7273137B2 (ja) * | 2019-03-08 | 2023-05-12 | 東洋電機製造株式会社 | 鉄道車両用歯車装置 |
JP7448364B2 (ja) * | 2020-01-31 | 2024-03-12 | マブチモーター株式会社 | 減速機およびギアドモータ |
JP7354914B2 (ja) * | 2020-04-16 | 2023-10-03 | トヨタ自動車株式会社 | 駆動装置 |
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- 2014-07-30 WO PCT/JP2014/004013 patent/WO2015015806A1/ja active Application Filing
- 2014-07-30 US US14/908,915 patent/US10036464B2/en not_active Expired - Fee Related
- 2014-07-30 CN CN201480041897.0A patent/CN105452731B/zh active Active
- 2014-07-30 KR KR1020167005675A patent/KR20160038054A/ko active IP Right Grant
- 2014-07-30 JP JP2015529395A patent/JP6321653B2/ja active Active
- 2014-08-01 TW TW103126402A patent/TWI628377B/zh not_active IP Right Cessation
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017532510A (ja) * | 2014-10-02 | 2017-11-02 | イートン コーポレーションEaton Corporation | ギア歯クラウニング配置 |
JP2018138810A (ja) * | 2017-02-24 | 2018-09-06 | 東洋電機製造株式会社 | 平行カルダン駆動方式の鉄道車両用歯車装置 |
JP2020512940A (ja) * | 2017-04-03 | 2020-04-30 | ザ グリーソン ワークス | 正弦曲線−放物線混成運動誤差を生成するように歯車を機械加工する方法、それにより製造された歯車、およびその方法を実施するための機械 |
JP7166277B2 (ja) | 2017-04-03 | 2022-11-07 | ザ グリーソン ワークス | 正弦曲線-放物線混成運動誤差を生成するように歯車を機械加工する方法、それにより製造された歯車、およびその方法を実施するための機械 |
Also Published As
Publication number | Publication date |
---|---|
TWI628377B (zh) | 2018-07-01 |
TW201518147A (zh) | 2015-05-16 |
RU2658574C2 (ru) | 2018-06-21 |
RU2016107393A3 (ja) | 2018-03-02 |
JP6321653B2 (ja) | 2018-05-09 |
CN105452731B (zh) | 2017-11-24 |
CN105452731A (zh) | 2016-03-30 |
RU2016107393A (ru) | 2017-09-07 |
US20160178046A1 (en) | 2016-06-23 |
JPWO2015015806A1 (ja) | 2017-03-02 |
US10036464B2 (en) | 2018-07-31 |
KR20160038054A (ko) | 2016-04-06 |
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