CN106704528A - Lever type speed change device - Google Patents
Lever type speed change device Download PDFInfo
- Publication number
- CN106704528A CN106704528A CN201510793606.XA CN201510793606A CN106704528A CN 106704528 A CN106704528 A CN 106704528A CN 201510793606 A CN201510793606 A CN 201510793606A CN 106704528 A CN106704528 A CN 106704528A
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- China
- Prior art keywords
- lever
- speed change
- gear
- shaft
- lever body
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Classifications
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a lever type speed change device which comprises input assemblies, a speed change lever assembly and output assemblies. The speed change lever assembly is composed of multi-stage levers and a lever adjusting assembly. Each multi-stage lever comprises a first lever body, a movable lever body, a fixed lever body and a last-stage eccentric output shaft. One end of each first lever body is fixed to a machine shell through a supporting point, and the other end of each first lever body is connected with the corresponding input assembly through an eccentric shaft. One end of each movable lever body is connected to the lever adjusting assembly, and the other end of each movable lever body is connected with the corresponding first lever body. One end of each fixed lever body is fixed to a supporting arm arranged in the machine shell, and the other end of each fixed lever body is connected with the corresponding movable lever body. Each last-stage eccentric output shaft is connected to the corresponding fixed lever body. According to the lever type speed change device, a pure mechanical stepless speed change structure is adopted, and the failure rate is low. Lever sliding groove stage-by-stage speed change is adopted, and friction losses happening to common friction type stepless speed change are overcome. Meanwhile, the adjusting assembly capable of adjusting different angles and different force points is designed, the required transmission ratio and the most proper working speed can be obtained through free adjustment according to actual needs, and precision is high.
Description
Technical field
The present invention relates to mechanical continuously-variable transmission, a kind of adjustable lever speed change gear is referred in particular to.
Background technology
Mechanical continuously-variable transmission is to realize variable speed by mechanism or purely mechanic component, and the type of belt drive having at present mainly has
Frictional and two kinds of pulsating.Fundamentals of Machine Design theory in, mechanically operated citation form have frictional drive, gear drive,
V belt translation, Chain conveyer and mechanism driving etc..The kind of drive of friction type stepless speed changer is exactly to be developed by these basic kinds of drive
Combine, pulse-type continuously variable transmission is formed by Mechanism Combination.All there is transmission efficiency in frictional and pulse-type continuously variable transmission
The defect such as low and power consumption is big, and can not realize with accurate ratio transmissions.Frictional variable speed can not be transmitted high-power and have larger
Friction loss, pulsating variable speed but needs to pay that transmission efficiency is low, power consumption is big and high cost cost.The stepless change of non-friction type
Speed has been increasingly becoming the direction of buncher future development.
Buncher is a kind of general-purpose machinery, primarily to obtaining most suitable operating rate, is arbitrarily adjusted in certain scope
Whole its rotating speed, is widely used in industry and agriculture field.Current mechanical continuously-variable transmission be mainly by friction pulley or frictional disk, ball,
Ring etc. is driven upright stone tablet, by changing the transmission radius of driving link and driven member, the rotating speed of output shaft is infinitely changed.What it was present
Problem is：It is stricter to frictional wheel drive material requirements, it is impossible to ensure accurate gearratio.To the strict work of gearratio requirement
Cannot be used in industry and agriculture field.At some to the gearratio stricter industrial circle of requirement, mostly using electrically, surge
Mode replaces mechanical stepless speed-changing, has limited to the application of mechanical continuously-variable transmission.
The content of the invention
The purpose of the present invention is directed to shortcoming present in background technology and problem is improved and innovated, there is provided one kind can not only be realized
Variable speed is exported and can arbitrarily adjust the lever speed change gear of gearratio.
The technical scheme is that a kind of input module including being arranged on connecting power device in casing of construction, connects input module
And the change lever component for linking step by step, and the change for connecting the output precision of change lever component final stage output shaft are driven by input module
Speed variator, wherein described change lever component is made up of multi-grade lever and lever adjusting part.
Described multi-grade lever include one end by fixed pivot on casing, the other end by eccentric shaft connection input module first
Lever, including one end is connected on lever adjusting part, the other end connects the active lever of the first lever, including one end is fixed on machine
On the support arm set in shell, the other end connect the truck dead lever of active lever, and final stage bias including being connected on truck dead lever is defeated
Shaft.
The next stage lever of described multi-grade lever is connected in the chute of upper level lever by connecting shaft, and by levers at different levels
Mobile completion step by step gyration of the connecting shaft in chute.
Wherein in one embodiment, described lever adjusting part includes being arranged on the regulation screw mandrel of cabinet top, and is arranged on machine
Shell is interior, the support of regulation screw mandrel bottom, and the support adjusts its upper and lower position in casing by adjusting screw mandrel, and then mobile
The position of the active lever being fixed on support.
Wherein in one embodiment, described input module includes the input shaft being arranged on casing and is arranged on inclined on input shaft
Spindle gear, wherein eccentric shaft the first lever of connection is set on the eccentric shaft gear, the input shaft connecting power device, and
Eccentric shaft gear rotation is driven under the driving of power set and then drives the first lever to make gyration.
Wherein in one embodiment, described output precision includes the freewheel clutch of connection final stage bias output shaft, is arranged on super
Gear more on clutch, and the output gear engaged with gear, the revolution action of the final stage bias output shaft drive overdrive clutch
Device makees single-phase output motion, and then band moving gear and output gear do single-phase output rotary motion.
Wherein in one embodiment, described input module, change lever component and output precision set one group or at least two groups.
Advantages of the present invention and beneficial effect：
The present invention uses purely mechanic infinitely variable speed structure, and fault rate is low.Using lever chute speed change step by step, conventional rubbing is overcome
The friction loss that erasing variable speed occurs.The adjusting part in adjustable different angles and different forces is designed with simultaneously, can be according to reality
Border needs any adjustment with the gearratio and most suitable operating rate needed for obtaining, and accuracy is high.
Brief description of the drawings
Fig. 1 is primary structure schematic diagram of the present invention.
Fig. 2 is output precision of the present invention and change lever assembly connecting structure schematic diagram.
Fig. 3 is input module of the present invention and the first lever assembling structure schematic diagram.
Fig. 4 is lever adjusting part of the present invention and change lever assembly connecting structure schematic diagram.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.This is given in accompanying drawing
The first-selected embodiment of invention.But, the present invention can be realized in many different forms, however it is not limited to implementation described herein
Example.On the contrary, the purpose that these embodiments are provided be make to the disclosure more it is thorough comprehensively.
It should be noted that when element be considered as " setting " or " connection " on another element, it can be directly set
Or be connected on another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology are logical with those skilled in the art of the invention
The implication for understanding is identical.Term used in the description is intended merely to describe specifically to implement purpose, it is not intended that in limitation originally
Invention.
As shown in Figures 1 to 4, the speed change gear includes casing 14, by eccentric shaft gear 1, input shaft 15,2 groups of eccentric shaft
Into input module；By the first lever 3, fulcrum 4, active lever 5, truck dead lever 8, support arm 13, final stage bias output shaft 9
The multi-grade lever of composition；The lever adjusting part being made up of regulation screw mandrel 7, support 6；And by freewheel clutch 10, gear 11,
The output precision of the composition of output gear 12.Input module, multi-grade lever and output precision are correspondingly arranged two groups, and gearratio passes through thick stick
The unification regulation of bar adjusting part.
Further, as shown in Fig. 2 freewheel clutch 10 is connected on final stage bias output shaft 9, it is defeated that it passes through final stage bias
Shaft 9 is with action single-phase output motion.The gear 11 of the connection of freewheel clutch 10 simultaneously, it is defeated that the rotating band of gear 11 is engaged
Go out gear 12 and make single-phase output rotary motion.
Further, as indicated at 3, input shaft 15 is arranged on casing 14, and eccentric shaft gear 1 is arranged on input shaft 15,
On eccentric shaft gear 1 set eccentric shaft 2 connect the first lever 3, input shaft 15 by power drive drive eccentric shaft gear 1 and
Eccentric shaft 2 rotates.
As shown in Fig. 1,3,4, the one end of the first lever 3 is fixed on casing 14 by fulcrum 4, and the other end passes through eccentric shaft 2
It is connected on eccentric shaft gear 1.First lever 3 connects active lever 5, and one end of active lever 5 is fixed on the frame 6.It is living
Dynamic lever 5 is connected lever 8, and the one end of truck dead lever 8 is fixed on support arm 13.Final stage bias output shaft 9 is connected to fixation
On lever 8, and the gyration power that multi-grade lever is transmitted is exported by output precision.
Further, as shown in figure 4, active lever 5 is integrally fixed on support 6, support 6 by adjust screw mandrel 7 adjust it is upper,
Lower position, the gyration in the different angles of active lever 5 and different forces is adjusted by adjusting the position of support 6, to reach
The gearratio for needing.
Operation principle of the invention：
From the figure 3, it may be seen that input shaft 15 drives eccentric shaft gear 1 to rotate, fulcrum 4 is fixed on casing 14.Eccentric shaft 2 drives
First lever 3 makees gyration, then drives active lever 5 to make gyration by the first lever 3.As shown in Figure 4, movable bar
Bar 5 is fixed on the frame 6, support 6 is mutually shifted from A points to B points by adjusting screw mandrel 7, so as to obtain active lever 5
Different angles and the gyration in different forces.As shown in Figure 1, truck dead lever 8 is driven to make gyration by active lever 5,
Truck dead lever 8 drives final stage bias output shaft 9 to make gyration.As shown in Figure 2, final stage bias output shaft 9 drives overdrive clutch
Device 10 makees single-phase output motion.Freewheel clutch 10 is fixed in gear 11, and gear 11 coordinates output gear 12 to make single-phase defeated
The rotary motion for going out, so as to obtain the motion of the friction speed and different moments of torsion since zero-speed.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to present inventive concept and model
Enclose and be defined, on the premise of design philosophy of the present invention is not departed from, engineers and technicians are to technical scheme in this area
The all variations and modifications made, all should fall into protection scope of the present invention, and claimed technology contents of the invention are whole
Record in detail in the claims.
Claims (5)
1. a kind of lever speed change gear, it is characterised in that the input module including being arranged on connecting power device in casing, connection
Input module simultaneously drives the change lever component for linking step by step, and the output for connecting change lever component final stage output shaft by input module
Component, wherein described change lever component is made up of multi-grade lever and lever adjusting part；
Described multi-grade lever include one end by fixed pivot on casing, the other end by eccentric shaft connection input module first
Lever, including one end is connected on lever adjusting part, the other end connects the active lever of the first lever, including one end is fixed on machine
On the support arm set in shell, the other end connect the truck dead lever of active lever, and final stage bias including being connected on truck dead lever is defeated
Shaft；
The next stage lever of described multi-grade lever is connected in the chute of upper level lever by connecting shaft, and by levers at different levels
Mobile completion step by step gyration of the connecting shaft in chute.
2. lever speed change gear according to claim 1, it is characterised in that described lever adjusting part includes being arranged on
The regulation screw mandrel of cabinet top, and the support of screw mandrel bottom is arranged in casing, adjusts, the support adjusts it by adjusting screw mandrel
Upper and lower position in casing, and then movement is fixed on the position of the active lever on support.
3. lever speed change gear according to claim 1, it is characterised in that described input module includes being arranged on casing
On input shaft and the eccentric shaft gear that is arranged on input shaft, wherein eccentric shaft is set on the eccentric shaft gear connects the first thick stick
Bar, the input shaft connecting power device, and eccentric shaft gear rotation is driven under the driving of power set and then the first lever is driven
Make gyration.
4. lever speed change gear according to claim 1, it is characterised in that described output precision includes that connection final stage is inclined
The freewheel clutch of heart output shaft, is arranged on the gear on freewheel clutch, and the output gear engaged with gear, and the final stage is inclined
The revolution action of heart output shaft drives freewheel clutch to make single-phase output motion, and then band moving gear and output gear do single-phase output rotation
Transhipment is dynamic.
5. lever speed change gear according to claim 1, it is characterised in that described input module, change lever component
One group or at least two groups is set with output precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510793606.XA CN106704528A (en) | 2015-11-14 | 2015-11-14 | Lever type speed change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510793606.XA CN106704528A (en) | 2015-11-14 | 2015-11-14 | Lever type speed change device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704528A true CN106704528A (en) | 2017-05-24 |
Family
ID=58932661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510793606.XA Pending CN106704528A (en) | 2015-11-14 | 2015-11-14 | Lever type speed change device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704528A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443447A (en) * | 2018-01-23 | 2018-08-24 | 北京邮电大学 | A kind of high intensity high efficiency spheric motion auxiliary lever driving retarder |
| CN108916347A (en) * | 2018-07-12 | 2018-11-30 | 苏州廉展精密机电有限公司 | It is a kind of can on-line tuning stroke cam drive mechanism |
| CN113090727A (en) * | 2021-04-12 | 2021-07-09 | 张荣强 | Circumferential lever force amplifier and transmission mode thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004125055A (en) * | 2002-10-02 | 2004-04-22 | Jatco Ltd | Hydraulic control device for transmission for vehicle |
| CN202674214U (en) * | 2012-07-12 | 2013-01-16 | 尹谷林 | Novel driving device |
| CN204127242U (en) * | 2014-11-03 | 2015-01-28 | 吴迪 | Variable oblique plane type stepless speed variator |
| CN204533428U (en) * | 2015-04-08 | 2015-08-05 | 方何龙 | Motor speed change gear |
-
2015
- 2015-11-14 CN CN201510793606.XA patent/CN106704528A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004125055A (en) * | 2002-10-02 | 2004-04-22 | Jatco Ltd | Hydraulic control device for transmission for vehicle |
| CN202674214U (en) * | 2012-07-12 | 2013-01-16 | 尹谷林 | Novel driving device |
| CN204127242U (en) * | 2014-11-03 | 2015-01-28 | 吴迪 | Variable oblique plane type stepless speed variator |
| CN204533428U (en) * | 2015-04-08 | 2015-08-05 | 方何龙 | Motor speed change gear |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443447A (en) * | 2018-01-23 | 2018-08-24 | 北京邮电大学 | A kind of high intensity high efficiency spheric motion auxiliary lever driving retarder |
| CN108443447B (en) * | 2018-01-23 | 2021-05-04 | 北京邮电大学 | High-strength high-efficiency spherical kinematic pair lever-driven reducer |
| CN108916347A (en) * | 2018-07-12 | 2018-11-30 | 苏州廉展精密机电有限公司 | It is a kind of can on-line tuning stroke cam drive mechanism |
| CN113090727A (en) * | 2021-04-12 | 2021-07-09 | 张荣强 | Circumferential lever force amplifier and transmission mode thereof |
| CN113090727B (en) * | 2021-04-12 | 2023-01-10 | 张荣强 | Circumferential lever force amplifier and transmission mode thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |
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| WD01 | Invention patent application deemed withdrawn after publication |