CN201787012U - Central friction transmission device - Google Patents
Central friction transmission device Download PDFInfo
- Publication number
- CN201787012U CN201787012U CN2010202783094U CN201020278309U CN201787012U CN 201787012 U CN201787012 U CN 201787012U CN 2010202783094 U CN2010202783094 U CN 2010202783094U CN 201020278309 U CN201020278309 U CN 201020278309U CN 201787012 U CN201787012 U CN 201787012U
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- friction
- drum
- elastic
- transmission device
- torsion spring
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Abstract
The utility model discloses a central friction transmission device. The central friction transmission device comprises a middle shaft and a friction drum rotating around the middle shaft and is characterized in that: elastic friction steel sheets are discontinuously arranged on the outer surface of the drum wall of the friction roller; each elastic friction steel sheet is formed by fixing a movable friction plate on a fixing seat of the drum wall through a bolt; and the bolt is provided with a left torsion spring and a right torsion spring which are connected to the movable friction plate at one end and connected to the fixing seat at the other end. The central friction transmission device disclosed by the utility model can drive a driven circular object with a large size error to perform self-rotation motion as well as revolution motion around the friction drum under the guidance of the friction drum and the acting force of the elastic friction steel plate, can automatically modify the motion track of the driven circular object to allow the object to run along a predetermined track, and has small kinetic energy loss and a high working efficiency.
Description
Technical field
The utility model relates to friction gearing, particularly, is a kind of middle friction gearing.
Background technique
Traditional friction gearing is to utilize the frictional force between two or more wheels that compress mutually to come transferring power and motion, therefore its requirement to precision is very high, be in operation and revise voluntarily if deviation occurs, can produce skidding after the long-time continuous running, and the load at running axis and gear is excessive, and rate of fault is higher and usefulness is low.
The model utility content
The purpose of this utility model is to provide a kind of middle friction gearing, and it requires lowly to precision, can drive the running orbit that the bigger circular object of size error rotated and revised automatically passive circular object, and kinetic energy rejection is little, high working efficiency.
Concrete technological scheme of the present utility model is:
A kind of middle friction gearing, comprise axis and the friction drum that rotates around axis, be characterised in that the discontinuous elastic-friction steel disc that is placed with on the cylinder wall outer surface of friction drum, described elastic-friction steel disc is to be fixed on by latch on the fixed base of cylinder wall by movable friction plate to form, and is equipped with on the latch that an end is connected in movable friction plate and the other end is connected in the left torsion spring and the right torsion spring of fixed base.
During work, friction drum is as main transmission, by the elastic-friction steel disc can drive size error bigger (error 20% with interior all can) driven circular object produces friction driving.When the movable friction plate of elastic-friction steel disc touches passive circular object, movable friction plate is because of being subjected to resistance generation left avertence or right avertence, then right torsion spring or the left torsion spring in elastic-friction steel disc this moment will produce the elastic force effect opposite with drag direction, thereby give passive circular object boost pressure and friction by movable friction plate, and then drive that passive circular object with the rotation of friction drum the spinning motion of self takes place and around the revolution motion of friction drum.Simultaneously, discontinuous the arrange design of elastic-friction steel disc on friction drum can make passive circular object automatically revise running orbit, and then do not produce deviation according to set orbital motion fully.
Middle friction gearing of the present utility model has following beneficial effect: 1. simple structure, and easy to manufacture, easy to use; 2. the design of elastic-friction steel disc make friction drum can drive size error big (error 20% with interior all can) circular object rotate, i.e. requirement to precision reduces greatly, this is that other gear transmission and friction driving technology are beyond one's reach; 3. friction drum because be elastic-friction, can not cause extruding or wearing and tearing between friction drum and the driven circular object, thereby make the load of axis be consumed decomposition in the process that drives driven circular object generation friction; 4. discontinuous the arrange design of elastic-friction steel disc on friction drum makes passive circular object can revise running orbit automatically and according to set orbital motion; 5. the leading under the active force with the elastic-friction steel disc of friction drum, passive circular object can carry out the spinning motion of self and simultaneously around the revolution motion of friction drum, thereby kinetic energy rejection is little, high working efficiency.
Description of drawings
With embodiment the utility model is described in further detail with reference to the accompanying drawings below.
Fig. 1 is the structural representation of middle friction gearing described in the utility model;
Fig. 2 is the partial structurtes schematic representation of elastic-friction steel disc among Fig. 1.
Among the figure: 1, axis; 2, friction drum; 3, cylinder wall; 4, elastic-friction steel disc; 5, movable friction plate; 6, latch; 7, fixed base; 8, left torsion spring; 9, right torsion spring.
Embodiment
Shown in Fig. 1～2, provided an embodiment of middle friction gearing described in the utility model, it comprises axis 1 and the friction drum 2 that rotates around axis 1, the discontinuous elastic-friction steel disc 4 that is placed with on cylinder wall 3 outer surfaces of friction drum 2, described elastic-friction steel disc 4 is to be fixed on by latch 6 on the fixed base 7 of cylinder wall 3 by movable friction plate 5 to form, and is equipped with on the latch 6 that an end is connected in movable friction plate 5 and the other end is connected in the left torsion spring 8 and the right torsion spring 9 of fixed base 7.
During work, friction drum 2 is as main transmission, by elastic-friction steel disc 4 can drive size error bigger (error 20% with interior all can) driven circular object produces friction driving.When the movable friction plate 5 of elastic-friction steel disc 4 touches passive circular object, movable friction plate 5 is because of being subjected to resistance generation left avertence or right avertence, then elastic-friction steel disc 4 interior right torsion spring 9 or left torsion springs 8 will produce the elastic force effect opposite with drag direction this moment, thereby give passive circular object boost pressure and friction by movable friction plate 5, and then drive that passive circular object with the rotation of friction drum 2 spinning motion of self takes place and around the revolution motion of friction drum 2.Simultaneously, discontinuous the arrange design of elastic-friction steel disc 4 on friction drum 2 can make passive circular object automatically revise running orbit, and then do not produce deviation according to set orbital motion fully.
The middle friction gearing of present embodiment leads under the active force with the elastic-friction steel disc friction drum, the bigger passive circular object of size error be can drive and spinning motion of self and the revolution motion that centers on friction drum carried out simultaneously, and the running orbit that can revise passive circular object automatically makes it move according to definitive orbit, kinetic energy rejection is little, high working efficiency.
Claims (1)
1. middle friction gearing, comprise axis and the friction drum that rotates around axis, it is characterized in that: the discontinuous elastic-friction steel disc that is placed with on the cylinder wall outer surface of friction drum, described elastic-friction steel disc is to be fixed on by latch on the fixed base of cylinder wall by movable friction plate to form, and is equipped with on the latch that an end is connected in movable friction plate and the other end is connected in the left torsion spring and the right torsion spring of fixed base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202783094U CN201787012U (en) | 2010-08-02 | 2010-08-02 | Central friction transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202783094U CN201787012U (en) | 2010-08-02 | 2010-08-02 | Central friction transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787012U true CN201787012U (en) | 2011-04-06 |
Family
ID=43818975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202783094U Expired - Lifetime CN201787012U (en) | 2010-08-02 | 2010-08-02 | Central friction transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886692A (en) * | 2010-08-02 | 2010-11-17 | 安徽省宁国市长乐林产品开发有限公司 | Centrally-mounted friction driving device |
| CN102734409A (en) * | 2012-05-21 | 2012-10-17 | 赵会文 | Planetary transmission and formed planetary transmission capable of forming step-less variator |
-
2010
- 2010-08-02 CN CN2010202783094U patent/CN201787012U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886692A (en) * | 2010-08-02 | 2010-11-17 | 安徽省宁国市长乐林产品开发有限公司 | Centrally-mounted friction driving device |
| CN101886692B (en) * | 2010-08-02 | 2014-08-27 | 安徽省宁国市长乐林产品开发有限公司 | Centrally-mounted friction driving device |
| CN102734409A (en) * | 2012-05-21 | 2012-10-17 | 赵会文 | Planetary transmission and formed planetary transmission capable of forming step-less variator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110406 Effective date of abandoning: 20140827 |
|
| RGAV | Abandon patent right to avoid regrant |