CN104500707A - Branch torque transmission mechanism for speed reduction - Google Patents

Branch torque transmission mechanism for speed reduction Download PDF

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Publication number
CN104500707A
CN104500707A CN201410799342.4A CN201410799342A CN104500707A CN 104500707 A CN104500707 A CN 104500707A CN 201410799342 A CN201410799342 A CN 201410799342A CN 104500707 A CN104500707 A CN 104500707A
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CN
China
Prior art keywords
input
driven gear
gear
flexible shaft
driving gear
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Granted
Application number
CN201410799342.4A
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Chinese (zh)
Other versions
CN104500707B (en
Inventor
石万凯
邱红友
韩振华
肖洋轶
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Chongqing University
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Chongqing University
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Application filed by Chongqing University filed Critical Chongqing University
Priority to CN201410799342.4A priority Critical patent/CN104500707B/en
Publication of CN104500707A publication Critical patent/CN104500707A/en
Application granted granted Critical
Publication of CN104500707B publication Critical patent/CN104500707B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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

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

Abstract

The invention discloses a branch torque transmission mechanism for speed reduction. The mechanism comprises an input device, an output device, a transmission system I and a transmission system II; the input device comprises a power input shaft and an input drive gear; the output device comprises a power output shaft and an output driven gear; the transmission system I comprises a flexible shaft I, an input driven gear I, a middle shaft sleeve I and an output drive gear I; the transmission system II comprises a flexible shaft II, an input driven gear II, a middle shaft sleeve II and an output drive gear II; the input driven gear I and the input driven gear II are arranged at intervals, and the output drive gear I and the output drive gear II are arranged at intervals. The branch torque transmission mechanism is light, large in transmission ratio, compact in structure, high in bearing capability and easy to machine; the transmission torques of gears of branches are reduced, the bearing capability of the gears are improved, the fatigue lives of the gears are prolonged, the average load performance of the mechanism is improved, and the assembling difficulty of the mechanism is lowered.

Description

Deceleration turns round driving mechanism with dividing
Technical field
The invention belongs to retarder field, be specifically related to a kind of deceleration and turn round driving mechanism with dividing.
Background technique
Cylindrical gears divides to be turned round transmission system and in reliability, weight, reduction speed ratio, noise etc., all has obvious advantage relative to planetary transmission system, but this system rarely has the example of application in the past.This mainly because this design is considered to risky for a long time, even because very little making and installation error also can cause the distribute loads of two branches to change a lot, thus causes gear life not meet the demands, lost efficacy even rapidly.Playing cylindrical gears divides the advantage turning round transmission system to be hypothetical, and this prerequisite is exactly the load mean allocation of necessary Shi Liangge branch.
At present, point turning round the method that transmission system all carries mainly contains following several: a) balance beam all carries, the method is adopted all to carry, must be one-level helical gear and one-level spur gear with the use of, but helical gear use can increase axial force, while realizing all carrying, also improve the requirement to system supporting.The process that the method realizes all carrying simultaneously can make duplicate gear axial float frequently, adds the vibration of between cog fretting wear and system.And the complex structure of equalizer bar own, it uses the weight of the system that adds, and reduces the reliability of system, has slackened cylindrical gears and divided the Inherent advantage turning round transmission system.B) rely on manufacture and installation precision to realize, the method increase manufacture and the maintenance cost of gear, and each gear needs to carry out unique axial modification, cause gear there is no interchangeability.What c) adopt flexible member all carries mode, and this method comprises flexible shaft and flexible gear.For flexible gear, be generally add fluorine rubber element on former, this has the service condition of system and more limits requirement, also limit the working life of system; For flexible shaft, owing to being generally connect with spline, this has requirement for the number of teeth of spline and the number of teeth of gear, and not easily installs.
Summary of the invention
In view of this, simply, all carrying property is good to the object of the present invention is to provide a kind of structure, and deceleration easy to assembly turns round driving mechanism with dividing.
For achieving the above object, the invention provides following technological scheme: a kind of deceleration turns round driving mechanism with dividing, comprising input device, output unit and being arranged between input, output unit for the power train I of transmission of power and power train II; Described input device forms primarily of power input shaft and the input driving gear be arranged on power input shaft; Described output unit forms primarily of pto＝power take-off and the output driven gear be arranged on pto＝power take-off; Described power train I comprises flexible shaft I, input driven gear I, middle axle sleeve I and exports driving gear I, and described input driven gear I is arranged on flexible shaft I with middle axle sleeve I, and described output driving gear I is arranged on middle axle sleeve I; Described power train II comprises flexible shaft II, input driven gear II, middle shaft sleeve II and exports driving gear II, and described input driven gear II is arranged on flexible shaft II with middle shaft sleeve II, and described output driving gear II is arranged in middle shaft sleeve II; Described input driving gear is with input driven gear I and input driven gear II and be meshed, described output driving gear I is meshed with exporting driven gear with output driving gear II, between described input driven gear I and input driven gear II, interval is arranged, and between described output driving gear I and output driving gear II, interval is arranged.
Further, be provided with corresponding with one end on flexible shaft II of described flexible shaft I inputs driven gear I and the block I and the block II that input driven gear II for connecting, and passes through spline joint between described block I, II and input driven gear I, II.
Further, described middle axle sleeve I, II correspondence is sleeved on flexible shaft I, II, the middle axle sleeve I, II of block end is connected with input driven gear I, II by needle bearing I, II is corresponding, and the middle axle sleeve I, II of the other end is connected with flexible shaft I, II by spline.
Further, spline joint is passed through between described middle axle sleeve I and output driving gear I; Be connected by expansion set between described middle shaft sleeve II with output driving gear II.
Further, described flexible shaft I is provided with briquetting with the top end of flexible shaft II.
Beneficial effect of the present invention is: this point turns round that the quality of driving mechanism is light, velocity ratio large, compact structure, bearing capacity are strong, easy processing; Power is through shunting and merge, and reduces the transmitting torque of each branch middle gear, improves bearing capacity and the fatigue life of gear; The moment of torsion degree of approach that flexible shaft design makes two power trains transmit is high, improves all carrying property of each power train; Adopt expansion set to fix in section transmission system, reduce point assembling difficulty turning round driving mechanism.
Accompanying drawing explanation
In order to make object of the present invention, technological scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is of the present invention point and turns round driving mechanism transmission schematic diagram (containing power train I);
Fig. 2 is the structural representation of power train II.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in the figure, the deceleration in the present embodiment turns round driving mechanism with dividing, and comprises input device 1, output unit 2 and is arranged between input 1, output unit 2 for the power train I 3 of transmission of power and power train II 4; Described input device 1 forms primarily of power input shaft 11 and the input driving gear 12 be arranged on power input shaft 11; Described output unit 2 forms primarily of pto＝power take-off 21 and the output driven gear 22 be arranged on pto＝power take-off 21; Described power train I 3 comprises flexible shaft I 31, input driven gear I 32, middle axle sleeve I 33 and exports driving gear I 34, described input driven gear I 32 is arranged on flexible shaft I 31 with middle axle sleeve I 33, and described output driving gear I 34 is arranged on middle axle sleeve I 33; Described power train II 4 comprises flexible shaft II 41, input driven gear II 42, middle shaft sleeve II 43 and exports driving gear II 44, described input driven gear II42 and middle axle sleeve II43 is arranged on flexible shaft II41, and described output driving gear II44 is arranged on middle axle sleeve II43; Described input driving gear 12 is with input driven gear I32 and input driven gear II42 and be meshed, described output driving gear I34 is meshed with exporting driven gear 22 with output driving gear II44, between described input driven gear I32 and input driven gear II42, interval is arranged, and between described output driving gear I34 and output driving gear II44, interval is arranged.
Transmission of power is given input driven gear I32 and input driven gear II42 by input driving gear 12 by power input shaft 11, realizes dynamic branch.Transmission of power is exported driven gear 22 respectively by output driving gear I34 and output driving gear II44 by input driven gear I32 and input driven gear II42 again, realizes confluxing of power.
In the present embodiment, the transmission of point mobilization force is that the gear be arranged on flexible shaft by flexible shaft and correspondence is realized, and flexible shaft can realize all carrying, and prevents vibration.For improving reliability of structure, simplify installation process, the power train I3 in the present embodiment is different from the assembling mode of power train II4 simultaneously.
Concrete, in power train I3, flexible shaft I31 be " " oblique crank Z, namely the axle right-hand member of flexible shaft I31 is provided with block I35, and input driven gear I32 is arranged on the right part of flexible shaft I31, and input driven gear I32 is connected with the block I35 on flexible shaft I31 by spline; Middle axle sleeve I33 is sleeved on flexible shaft I31, and middle axle sleeve I33 right-hand member is connected with input driven gear I32 by needle bearing I36, and left end is connected with flexible shaft I31 by spline; Exporting driving gear I34 is arranged on middle axle sleeve I33 by spline, and middle axle sleeve I33 fixes by being arranged on the roller bearing 5 exporting driving gear I34 both sides.
In power train II4, flexible shaft II41 be " " oblique crank Z, namely the axle right-hand member of flexible shaft II41 is provided with block II45, and input driven gear II42 is arranged on the right part of flexible shaft II41, and input driven gear II42 is connected with the block II45 on flexible shaft II41 by spline; Middle axle sleeve II43 is sleeved on flexible shaft II41, and middle axle sleeve II43 right-hand member is connected with input driven gear II42 by needle bearing II46, and left end is connected with flexible shaft II41 by spline; Exporting driving gear II44 is fixed on middle axle sleeve II43 by expansion set 47 and screw 48, and middle axle sleeve II43 fixes by being arranged on the roller bearing 5 exporting driving gear II44 both sides.
In the present embodiment, composition and the Placement of power train II4 and power train I3 are close, and the means of fixation that its difference is only to export driving gear II44 and middle axle sleeve II43 is different with the means of fixation exported between driving gear I34 and middle axle sleeve I33; Adopt this installation fit system, not only can meet the required precision of structure, can improve the working life of system, the installation process of further simplification system, ensures its operational safety simultaneously.
As the further improvement of such scheme, flexible shaft I31 in the present embodiment is corresponding with the top end of flexible shaft II41 is provided with briquetting 6, and briquetting 6 shutoff, in block I35 and block II45 end, can strengthen the axial restraint effect of flexible shaft further, prevent its axial float, improve the stability of system.
What finally illustrate is, above preferred embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.

Claims (5)

1. deceleration turns round a driving mechanism with dividing, and it is characterized in that: comprise input device, output unit and be arranged between input, output unit for the power train I of transmission of power and power train II; Described input device forms primarily of power input shaft and the input driving gear be arranged on power input shaft; Described output unit forms primarily of pto＝power take-off and the output driven gear be arranged on pto＝power take-off; Described power train I comprises flexible shaft I, input driven gear I, middle axle sleeve I and exports driving gear I, and described input driven gear I is arranged on flexible shaft I with middle axle sleeve I, and described output driving gear I is arranged on middle axle sleeve I; Described power train II comprises flexible shaft II, input driven gear II, middle shaft sleeve II and exports driving gear II, and described input driven gear II is arranged on flexible shaft II with middle shaft sleeve II, and described output driving gear II is arranged in middle shaft sleeve II; Described input driving gear is with input driven gear I and input driven gear II and be meshed, described output driving gear I is meshed with exporting driven gear with output driving gear II, between described input driven gear I and input driven gear II, interval is arranged, and between described output driving gear I and output driving gear II, interval is arranged.
2. deceleration according to claim 1 turns round driving mechanism with dividing, it is characterized in that: be provided with corresponding with one end on flexible shaft II of described flexible shaft I inputs driven gear I and the block I and the block II that input driven gear II for connecting, and passes through spline joint between described block I, II and input driven gear I, II.
3. deceleration according to claim 2 turns round driving mechanism with dividing, it is characterized in that: described middle axle sleeve I, II correspondence is sleeved on flexible shaft I, II, the middle axle sleeve I, II of block end is connected with input driven gear I, II by needle bearing I, II is corresponding, and the middle axle sleeve I, II of the other end is connected with flexible shaft I, II by spline.
4. deceleration according to claim 3 turns round driving mechanism with dividing, and it is characterized in that: pass through spline joint between described middle axle sleeve I and output driving gear I; Be connected by expansion set between described middle shaft sleeve II with output driving gear II.
5. the deceleration according to any one of claim 1-4 turns round driving mechanism with dividing, and it is characterized in that: described flexible shaft I is provided with briquetting with the top end of flexible shaft II.
CN201410799342.4A 2014-12-19 2014-12-19 Slow down with dividing torsion transmission mechanism Expired - Fee Related CN104500707B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410799342.4A CN104500707B (en) 2014-12-19 2014-12-19 Slow down with dividing torsion transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410799342.4A CN104500707B (en) 2014-12-19 2014-12-19 Slow down with dividing torsion transmission mechanism

Publications (2)

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CN104500707A true CN104500707A (en) 2015-04-08
CN104500707B CN104500707B (en) 2017-11-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636363A (en) * 2015-07-22 2018-01-26 株式会社F.C.C. Speed transmission drum driver element and Straddle-type vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117704A (en) * 1990-05-16 1992-06-02 United Technologies, Corporation Elastomeric torsional isolator
CN200943675Y (en) * 2006-08-29 2007-09-05 杭州前进齿轮箱集团有限公司 Bulging sleeve linked tooth and elastic sleeve load balancing mechanism
CN201547185U (en) * 2009-12-14 2010-08-11 中国船舶重工集团公司第七○三研究所 Auto-load balancing power split gear system
CN102619946A (en) * 2012-04-13 2012-08-01 中国航空动力机械研究所 Branch torque transmission structure and mounting method thereof
CN103291845A (en) * 2013-06-17 2013-09-11 西北工业大学 Automatic uniform loading device of power dividing gear system
CN103742604A (en) * 2014-01-13 2014-04-23 西北工业大学 Elastic shaft uniform load device with adjustable phase positions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117704A (en) * 1990-05-16 1992-06-02 United Technologies, Corporation Elastomeric torsional isolator
CN200943675Y (en) * 2006-08-29 2007-09-05 杭州前进齿轮箱集团有限公司 Bulging sleeve linked tooth and elastic sleeve load balancing mechanism
CN201547185U (en) * 2009-12-14 2010-08-11 中国船舶重工集团公司第七○三研究所 Auto-load balancing power split gear system
CN102619946A (en) * 2012-04-13 2012-08-01 中国航空动力机械研究所 Branch torque transmission structure and mounting method thereof
CN103291845A (en) * 2013-06-17 2013-09-11 西北工业大学 Automatic uniform loading device of power dividing gear system
CN103742604A (en) * 2014-01-13 2014-04-23 西北工业大学 Elastic shaft uniform load device with adjustable phase positions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636363A (en) * 2015-07-22 2018-01-26 株式会社F.C.C. Speed transmission drum driver element and Straddle-type vehicle
US10890254B2 (en) 2015-07-22 2021-01-12 Kabushiki Kaisha F.C.C. Shift drum drive unit and straddle type vehicle

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Granted publication date: 20171114

Termination date: 20181219