CN105134920A - Mechanical gear infinite stepless transmission - Google Patents

Mechanical gear infinite stepless transmission Download PDF

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Publication number
CN105134920A
CN105134920A CN201510665098.7A CN201510665098A CN105134920A CN 105134920 A CN105134920 A CN 105134920A CN 201510665098 A CN201510665098 A CN 201510665098A CN 105134920 A CN105134920 A CN 105134920A
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gear
shaft
speed
variable
input shaft
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CN201510665098.7A
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CN105134920B (en
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梁则军
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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
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/76—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with an orbital gear having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention relates to a mechanical gear infinite stepless transmission, belonging to the field of mechanical transmission. The inner wall of a hollow external gear is connected and provided with a horizontal upper gear carrier and a horizontal lower gear carrier which are respectively provided with a vertical upper shaft and a vertical lower shaft; and one opposite ends of the two shafts are respectively sheathed with an upper planet gear and a lower planet gear which rotate around an axis. The left end of a power input shaft is connected with a right bevel gear, the right end of a power output shaft is connected with a left bevel gear, the back part of the left bevel gear is connected with an coaxial gear, and the left and right bevel gears respectively mesh with the upper planet gear and lower planet gear. The coaxial gear on the power output shaft meshes with a driven gear on a drive shaft below the power output shaft; and the external gear meshes with a speed control gear on a speed control gear shaft below the external gear. The speed control gear shaft is connected with a variable-frequency motor shaft, and a variable-frequency motor is electrically connected with a control microcomputer. Expect the variable-frequency motor and control microcomputer, all the other components are arranged in the cabinet. The transmission has the advantages of simple and compact structure, high transmission efficiency, wide speed control range, favorable durability, high charging capacity and high operation reliability.

Description

The unlimited formula stepless speed variator of mechanical gear
Technical field
The unlimited formula stepless speed variator of mechanical gear of the present invention belongs to mechanical transmission fields, particularly relates to a kind of speed change gear.
Background technique
Existing stepless speed variator common are metallic steel variable v-belt drive, metallic chain type non-stage transmission, metal conical ring formula stepless speed variator etc., and wherein automobile industry is applied the most general with metallic steel variable v-belt drive CVT especially.The basic structure of stepless speed variator is adopt the ratchet of variable groove width to realize continuously without breakpoint speed change, principle is the width by changing driving wheel and the steel band of follower or the V-type groove of belt, thus change driving and driven ratchet radius, steel band or the turning radius of chain on driving and driven ratchet are changed, change velocity ratio, namely the transmission radius by changing driving wheel and driven wheel realizes speed change, with transmitting tractive power.There is transfer mechanism complexity in traditional C VT stepless speed variator, accuracy of manufacturing requires high, and component are many, take up room comparatively large, involve great expense, in the high-revolving situation of high capacity, because transmission internal temperature raises, between Steel Belt and drive wheel, frictional force diminishes, and occurs " skidding " phenomenon, causes the critical defect that loss of power occurs, its reliability is low, speed adjustable range is limited, and transmission efficiency is lower, maintenance and use inconvenience.
Summary of the invention
The object of the present invention is to provide a kind of simple and compact for structure, component are few, take up room little, low cost of manufacture, and transmission efficiency is high, and speed adjustable range is broad, and speed adjustable range is between zero and infinity in theory.Serviceability is good, and load capacity is strong, and reliable, can be the various machinery such as automobile provides the mechanical gear of high strength variable motion unlimited formula stepless speed variator.
The object of the present invention is achieved like this: mechanical gear unlimited formula stepless speed variator is made up of external gear, upper planetary gear, right bevel gear, left angular wheel, lower planetary gear, power input shaft, lower shaft, lower tooth wheel carrier, speed regulation gear, speed regulating axle, driven gear, transmission shaft, in-line gears, pto＝power take-off, the frame that cogs, upper axle and casing.On the inwall of hollow external gear, the upper and lower gear carrier of level is even equipped with in interval, and be equiped with vertical upper and lower axle respectively at this middle part, two axles are positioned on same axis, and two axles one end is in opposite directions respectively installed with the upper and lower planetary pinion swayed.Horizontal power input shaft penetrates on the right side of external gear, and this axle left end is connected with right bevel gear; Horizontal power output shaft and power input shaft are positioned on same level axis, pto＝power take-off right-hand member is connected with left angular wheel, this gear rear portion is connected with in-line gears, left and right bevel gear respectively with upper and lower planet gears meshing, four gears spatially engage each other arrangement in cross.In-line gears on pto＝power take-off engage with the driven gear on transmission shaft below it; External gear engages with the speed regulation gear on speed regulating axle below it.Speed regulating axle is connected with variable-frequency electric arbor, and variable-frequency motor is connected with control microcomputer electric.Except variable-frequency motor is with except control micro computer, remaining part is all installed in casing.
Owing to carrying out technique scheme, this mechanical gear unlimited formula stepless speed variator is simple and compact for structure, and component are few, takes up room little, cost is lower, and transmission efficiency is high, and speed adjustable range is broad, and serviceability is good, load capacity is strong, reliable, can be various machinery and provides high strength variable rate transmissions.When speed regulating mechanism inputs with constant rotational speed, the Power output of fixed speed ratio can be realized.
Accompanying drawing illustrates: technological scheme of the present invention is provided by following drawings and Examples:
Fig. 1 is mechanical gear unlimited formula stepless speed variator structural representation;
Fig. 2 is the upper and lower bevel gear structural representation of mechanical gear unlimited formula stepless speed variator;
Fig. 3 is the left and right bevel gear structural representation of mechanical gear unlimited formula stepless speed variator;
Fig. 4 is mechanical gear unlimited formula stepless speed variator box inner structure schematic diagram;
Fig. 5 is mechanical gear unlimited formula stepless speed variator cover structure schematic diagram.
Legend: 1, external gear, 2, upper planetary gear, 3, right bevel gear, 4, left angular wheel, 5, lower planetary gear, 6, power input shaft, 7, lower shaft, 8, lower tooth wheel carrier, 9, speed regulation gear, 10, speed regulating axle, 11, driven gear, 12, transmission shaft, 13, in-line gears, 14, pto＝power take-off, 15, cog frame, 16, upper axle, 17, casing, 18, back poppet, 19, fore poppet, 20, case lid, A axis hole, B axis hole, C axis hole, D axis hole, E axis hole.
Embodiment:
The present invention by the restriction of following embodiment, can not determine concrete mode of execution according to technological scheme of the present invention and actual conditions.
Embodiment: as shown in Fig. 1-5, mechanical gear unlimited formula stepless speed variator is made up of external gear 1, upper planetary gear 2, right bevel gear 3, left angular wheel 4, lower planetary gear 5, power input shaft 6, lower shaft 7, lower tooth wheel carrier 8, speed regulation gear 9, transmission shaft 10, driven gear 11, driven gear shaft 12, in-line gears 13, pto＝power take-off 14, the frame 15 that cogs, upper axle 16 and casing 17.On the inwall of hollow external gear 1, the upper and lower gear carrier 15,8 of level is even equipped with in interval, vertical upper and lower axle 16,7 is equiped with respectively at this middle part, two axles are positioned on same axis, and two axles one end in opposite directions connects the upper and lower planetary pinion 2,5 being equipped with and swaying respectively.Horizontal power input shaft 6 penetrates on the right side of external gear 1, and this axle left end is connected with right bevel gear 3; Horizontal power output shaft 14 and power input shaft 6 are positioned on same level axis, pto＝power take-off 14 right-hand member is connected with left angular wheel 4, this gear rear portion is connected with in-line gears 13, left and right bevel gear 4,3 engages with upper and lower planetary pinion 2,5 respectively, and 4 gears spatially engage each other arrangement in cross.In-line gears 13 on pto＝power take-off 14 engage with the driven gear 11 on transmission shaft below it 12; External gear 1 engages with the speed regulation gear 9 on speed regulating axle below it 10.Speed regulating axle 10 is connected with variable-frequency electric arbor, and variable-frequency motor is connected with microcomputer electric.Power input shaft 6 is through the D axis hole of cavity casing 17, and pto＝power take-off 14 is through the B axis hole on the back poppet 18 of casing 17; The right-hand member of transmission shaft 12 is through the C axis hole on the fore poppet 19 of casing 17, and left end is through the A axis hole on casing 17; The right-hand member of speed regulating axle 10 is through the E axis hole on casing 17, and left end is through the F axis hole on the fore poppet 19 of casing 17.Case lid 20 is fastened on casing 17.
The right-hand member of power input shaft 6 is connected with the pto＝power take-off of motor, and the left end of transmission shaft 12 is connected with work mechanism device, and the power after speed change transmits by this axle.Upper and lower planetary pinion 2,5, while upper and lower axle 16,7 freely rotates, does synchronous rotary with external gear 1 and moves, namely revolve round the sun while rotation.
The SC sigmal control variable-frequency motor action of micro computer, thus interlock speed regulating axle 10, speed regulation gear 9, drive external gear 1 to do static, clockwise or rotate counterclockwise, and makes speed changer realize the object of constant speed, deceleration or acceleration.
Accelerated motion: when power input shaft 6 is with constant rotational speed with when turning to input power, right bevel gear 3 engages with upper and lower planetary pinion 2,5, and meanwhile upper and lower planetary pinion 2,5 engages with left angular wheel 4.When needs accelerated motion, micro computer controls speed regulating axle 10 and speed regulation gear 9 and power input shaft 6 rotating in same direction by variable-frequency motor, and speed regulation gear 9 drives external gear 1, makes external gear 1 turn to contrary with power input shaft 6.The working state of upper and lower planetary pinion 2,5 is: engage with left and right bevel gear 4,3 and rotation, sense of rotation turns to decision by power input shaft 6; Simultaneously upper and lower planetary pinion 2,5 with external gear 1 with power input shaft 6 and pto＝power take-off 14 for axle center revolution, direction of revolving round the sun is contrary with turning to of power input shaft 6.Engage driven gear 11 by the in-line gears 13 on pto＝power take-off 14, make transmission shaft 12 outputting power, now because the rotating speed of transmission shaft 12 is greater than the rotating speed of power input shaft 6, speed changer is in acceleration mode; Speed regulation gear 9 drives the rotating speed of external gear 1 faster, accelerates faster, exports with input speed difference larger.
Retarded motion: when power input shaft 6 is with constant rotational speed with when turning to input power, right bevel gear 3 engages with upper and lower planetary pinion 2,5, and upper and lower planetary pinion 2,5 engages with left angular wheel 4 simultaneously.When needs retarded motion, micro computer controls speed regulating axle 10 by variable-frequency motor and speed regulation gear 9 rotates backward with power input shaft 6, and speed regulation gear 9 drives external gear 1, makes external gear 1 and power input shaft 6 rotating in same direction.The working state of upper and lower planetary pinion 2,5 is: engage with left and right bevel gear 4,3 and rotation, sense of rotation turns to decision by power input shaft 6; Simultaneously upper and lower planetary pinion 2,5 with external gear 1 with power input shaft 6 and pto＝power take-off 14 for axle center revolution, direction of revolving round the sun is identical with turning to of power input shaft 6.Engage driven gear 11 by the in-line gears 13 on pto＝power take-off 14, make transmission shaft 12 outputting power, now because the rotating speed of transmission shaft 12 is less than the rotating speed of power input shaft 6, speed changer is in deceleration regime; Speed regulation gear 9 drives external gear 1 rotating speed faster, slows down faster, exports with input speed difference larger.
Movement at the uniform velocity: when power input shaft 6 is with constant rotational speed with when turning to input power, right bevel gear 3 engages with upper and lower planetary pinion 2,5, and upper and lower planetary pinion 2,5 engages with left angular wheel 4 simultaneously.When needs uniform motion, micro computer controls the unpowered input of speed regulating axle 10 and stall by variable-frequency motor, speed regulation gear 9 remains static, external gear 1 does not rotate, the working state of upper and lower planetary pinion 2,5 is: engage with left and right bevel gear 4,3 and rotation, sense of rotation turns to decision by power input shaft 6.Engage driven gear 11 by the in-line gears 13 on pto＝power take-off 14, make transmission shaft 12 outputting power, now because the rotating speed of transmission shaft 12 and the rotating speed of power input shaft 6 are constant speed, speed changer is in constant speed state.
This speed changer can replace mechanical gear formula stepless speed variator, is common to the speed reducer of all kinds of stepless speed variator and fixed speed ratio.

Claims (2)

1. the unlimited formula stepless speed variator of mechanical gear, by external gear, upper planetary gear, right bevel gear, left angular wheel, lower planetary gear, power input shaft, lower shaft, lower tooth wheel carrier, speed regulation gear, speed regulating axle, driven gear, transmission shaft, in-line gears, pto＝power take-off, cog frame, upper axle and casing composition, it is characterized in that: on the inwall of hollow external gear, interval is even equipped with in level, lower tooth wheel carrier, be equiped with respectively vertically at this middle part, lower shaft, two axles are positioned on same axis, two axles one end is in opposite directions respectively installed with sway upper, lower planetary gear, horizontal power input shaft penetrates on the right side of external gear, this axle left end is connected with right bevel gear, horizontal power output shaft and power input shaft are positioned on same level axis, pto＝power take-off right-hand member is connected with left angular wheel, this gear rear portion is connected with in-line gears, left, right bevel gear is respectively with upper, lower planetary gear engages, four gears spatially engage each other arrangement in cross, in-line gears on pto＝power take-off engage with the driven gear on transmission shaft below it, and external gear engages with the speed regulation gear on speed regulating axle below it, speed regulating axle is connected with variable-frequency electric arbor, and variable-frequency motor is connected with control microcomputer electric, and except variable-frequency motor is with except control micro computer, remaining part is all installed in casing.
2. the unlimited formula stepless speed variator of mechanical gear as claimed in claim 1, it is characterized in that: the right-hand member of power input shaft is connected with the pto＝power take-off of motor, the left end of transmission shaft is connected with work mechanism device.
CN201510665098.7A 2015-10-15 2015-10-15 The unlimited formula buncher of mechanical gear Active CN105134920B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108386538A (en) * 2018-03-25 2018-08-10 大连碧蓝节能环保科技有限公司 Planetary gear stepless speed changing retarder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86108287A (en) * 1986-12-08 1988-06-22 刘普合 A kind of movable gear stepless speed-variator
US5171194A (en) * 1991-08-09 1992-12-15 Shen Xing L Bifurcated variable ratio transmission
CN101363507A (en) * 2008-10-06 2009-02-11 宋保通 Large speed ratio gear stepless variable drive
KR20100125782A (en) * 2009-05-21 2010-12-01 조춘상 Device for infinitely variable transmission and method thereof
CN101985971A (en) * 2010-10-28 2011-03-16 东莞市明慧管理咨询有限公司 Continuously variable transmission with differential mechanism
CN205118193U (en) * 2015-10-15 2016-03-30 梁则军 Unlimited formula buncher of mechanical gear

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86108287A (en) * 1986-12-08 1988-06-22 刘普合 A kind of movable gear stepless speed-variator
US5171194A (en) * 1991-08-09 1992-12-15 Shen Xing L Bifurcated variable ratio transmission
CN101363507A (en) * 2008-10-06 2009-02-11 宋保通 Large speed ratio gear stepless variable drive
KR20100125782A (en) * 2009-05-21 2010-12-01 조춘상 Device for infinitely variable transmission and method thereof
CN101985971A (en) * 2010-10-28 2011-03-16 东莞市明慧管理咨询有限公司 Continuously variable transmission with differential mechanism
CN205118193U (en) * 2015-10-15 2016-03-30 梁则军 Unlimited formula buncher of mechanical gear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108386538A (en) * 2018-03-25 2018-08-10 大连碧蓝节能环保科技有限公司 Planetary gear stepless speed changing retarder

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