CN204099450U - A kind of hydro-viscous speed governing clutch - Google Patents
A kind of hydro-viscous speed governing clutch Download PDFInfo
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- CN204099450U CN204099450U CN201420515658.1U CN201420515658U CN204099450U CN 204099450 U CN204099450 U CN 204099450U CN 201420515658 U CN201420515658 U CN 201420515658U CN 204099450 U CN204099450 U CN 204099450U
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- speed governing
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Abstract
The utility model provides a kind of hydro-viscous speed governing clutch, belongs to field of mechanical technique.It solve existing hydro-viscous speed governing clutch and can not adapt to the technical problems such as the operating mode of different main driven shaft velocity ratio.This hydro-viscous speed governing clutch comprises the driving shaft that inside has oil pocket, one end of driving shaft is fixed with input shaft, the other end is provided with output shaft, oil pocket inwall in driving shaft is connected with active friction plate, output shaft is connected with driven friction disk, the left end of driving shaft is provided with the left hydraulic cylinder for driving driven friction disk movement, active friction plate comprises initiatively disk body, initiatively the both sides of disk body are respectively arranged with active friction layer one and active friction layer two, driven friction disk comprises driven disk body, the both sides of driven disk body are respectively arranged with driven friction layer one and driven friction layer two, active friction layer one, active friction layer two, driven friction layer one is all not identical with the friction factor of driven friction layer two.The utility model can adapt to the operating mode of different main driven shaft velocity ratio.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of hydro-viscous speed governing clutch.
Background technique
Hydro-viscous speed governing clutch is a kind of new drive device utilizing the oil-shear power between friction pair to carry out transferring power, has a wide range of applications in energy-conservation and special vehicle, engineering machinery stepless speed regulation at high-power blower, pump speed control.
The working principle of hydro-viscous speed governing clutch is as follows: driving shaft is connected with the rotating plate of friction pair, and driven axle is connected by moving plate with friction pair.Rotating plate and be full of the viscous fluid of certain kinetic viscosity by the micro-gap between moving plate.During work, motor drives driving shaft to drive rotating plate to rotate, and the viscous fluid oil film between friction pair will produce a certain size Newtonian shear power, and the size of this power and friction pair gap and oil slick thickness are inversely proportional to; The Newtonian shear power of oil film drives by moving plate rotating Vortex, but there is certain speed discrepancy; By driven axle, moment of torsion is passed to load by moving plate.Can be regulated the stroke of control piston by the output oil pressure changing oil circuit control, thus control the spacing of driving and driven friction plate, i.e. oil slick thickness, the final size controlling transmitting torque.
China patent CN 100404901C discloses a kind of hydraulic control system for hydro-viscous speed governing clutch, hydraulic oil in fuel tank is through the oil outlet tube of heat pipe heat exchanger, one tunnel connects lubricating pump enters clutch driving shaft again oiler through an oil pipe and plays lubrication, cooling and transmitting torque effect to active friction plate, driven friction disk, hydraulic oil is sent fine filter through sending oil pipe to enter control oil pump by another road binders, send into driven axle filler opening through another oil pipe, the driven friction disk be connected with driven axle is connected with active friction plate oil film.The speed setting value of controller only need be changed during speed governing, controller controls frequency variator, motor speed-regulating runs, just change the oil pressure inputing to filler opening on driven axle, also just change the oil slick thickness between driven friction disk and active friction plate, reach the object of speed governing.
The friction plate of existing hydro-viscous speed governing clutch only has a rubbing surface, adaptation condition environment is poor, such as, in the operating mode that main driven shaft velocity ratio is large, need the rubbing surface that friction factor is large, and in the little operating mode of velocity ratio, because the speed of related movement difference of two friction plates is comparatively large, need friction factor little, be conducive to the rubbing surface that oil film formed.The one side of friction plate is heated for a long time in addition, very easily causes the buckling deformation of friction plate, by the working surface of irregular switching friction plate, effectively can avoid the generation of this phenomenon.
Summary of the invention
The utility model is the problems referred to above existed for existing technology, provides a kind of hydro-viscous speed governing clutch, and technical problem to be solved in the utility model is the operating mode making this hydro-viscous speed governing clutch can adapt to multiple main driven shaft velocity ratio.
The purpose of this utility model realizes by following technical proposal:
A kind of hydro-viscous speed governing clutch, described hydro-viscous speed governing clutch comprises driving shaft, in described driving shaft, there is oil pocket, one end of described driving shaft is fixed with input shaft, one end is provided with output shaft in addition, one end of described output shaft is arranged in oil pocket, one end passes the end of driving shaft in addition, oil pocket inwall in described driving shaft there is active friction plate by spline joint, described output shaft there is driven friction disk by spline joint, described driven friction disk to be all positioned on described oil pocket inwall and and active friction plate interval arrange, the left end of described driving shaft is provided with the left hydraulic cylinder for driving driven friction disk movement, described active friction plate comprises initiatively disk body, the both sides of described active disk body are respectively arranged with active friction layer one and active friction layer two, described driven friction disk comprises driven disk body, the both sides of described driven disk body are respectively arranged with driven friction layer one and driven friction layer two, and described active friction layer one, active friction layer two, driven friction layer one are all not identical with the friction factor of driven friction layer two.
The working principle of this hydro-viscous speed governing clutch is as follows: for the operating mode of different main driven shaft velocity ratio, by manipulation left hydraulic cylinder, active friction layer one and driven friction layer two is made to form friction pair, or make active friction layer two and driven friction layer one form friction pair, because active friction layer one, active friction layer two, driven friction layer one are all not identical with the friction factor of driven friction layer two, then can select relative friction pair according to actual conditions.The one side of friction plate is heated for a long time in addition, very easily causes the buckling deformation of friction plate, by the working surface of irregular switching friction plate, effectively can avoid the generation of this phenomenon.Active friction layer one, active friction layer two, driven friction layer one and driven friction layer two can select the paper base material such as powdered metallurgical material, asbestos sill to make.
In above-mentioned a kind of hydro-viscous speed governing clutch, the right-hand member of described driving shaft is provided with the right oil hydraulic cylinder for driving driven friction disk movement.After being designed with right oil hydraulic cylinder, driven friction disk can be driven to move, make it to match with active friction plate formation friction pair.
In above-mentioned a kind of hydro-viscous speed governing clutch, described hydro-viscous speed governing clutch also comprises fuel tank, and described fuel tank is connected with the oil pocket in described driving shaft by fuel supply line, is provided with oil feed pump in described fuel tank, and described oil feed pump is communicated with fuel supply line.。
In above-mentioned a kind of hydro-viscous speed governing clutch, described fuel supply line is provided with the cooler for cooling viscous fluid in fuel supply line.
In above-mentioned a kind of hydro-viscous speed governing clutch, described active disk body is spliced by the plate body one of 4 arcuations, and the central angle of each plate body one is 90 °.Active disk body is designed to the structure that multiple plate body one is spliced, easy accessibility, also facilitates later period maintenance to change.
In above-mentioned a kind of hydro-viscous speed governing clutch, described driven disk body is spliced by the plate body two of 4 arcuations, and the central angle of each plate body two is 90 °.Driven disk body is designed to the structure that multiple plate body two is spliced, easy accessibility, also facilitates later period maintenance to change.
Compared with prior art, the utility model has the following advantages:
For the operating mode of different main driven shaft velocity ratio, by manipulation left hydraulic cylinder, active friction layer one and driven friction layer two is made to form friction pair, or make active friction layer two and driven friction layer one form friction pair, because active friction layer one, active friction layer two, driven friction layer one are all not identical with the friction factor of driven friction layer two, then can select relative friction pair according to actual conditions.The one side of friction plate is heated for a long time in addition, very easily causes the buckling deformation of friction plate, by the working surface of irregular switching friction plate, effectively can avoid the generation of this phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydro-viscous speed governing clutch.
Fig. 2 is the structural representation of active friction plate.
Fig. 3 is the structural representation of driven friction disk.
Fig. 4 is the structural representation of initiatively disk body.
Fig. 5 is the structural representation of driven disk body.
In figure, 1, driving shaft; 2, oil pocket; 3, input shaft; 4, output shaft; 5, active friction plate; 6, driven friction disk; 7, left hydraulic cylinder; 8, active disk body; 9, active friction layer one; 10, active friction layer two; 12, driven disk body; 13, driven friction layer one; 14, driven friction layer two; 15, right oil hydraulic cylinder; 16, fuel tank; 17, fuel supply line; 18, oil feed pump; 19, cooler; 20, plate body one; 21, plate body two.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, this hydro-viscous speed governing clutch comprises driving shaft 1, there is in driving shaft 1 oil pocket 2, one end of described driving shaft 1 is fixed with input shaft 3, one end is provided with output shaft 4 in addition, one end of described output shaft 4 is arranged in oil pocket 2, one end passes the end of driving shaft 1 in addition, oil pocket 2 inwall in described driving shaft 1 there is active friction plate 5 by spline joint, described output shaft 4 has driven friction disk 6 by spline joint, described driven friction disk 6 to be all positioned on described oil pocket 2 inwall and and active friction plate 5 interval arrange.
Specifically, active friction plate 5 comprises initiatively disk body 8, and initiatively the both sides of disk body 8 are respectively arranged with active friction layer 1 and active friction layer 2 10; Driven friction disk 6 comprises driven disk body 12, the both sides of driven disk body 12 are respectively arranged with driven friction layer 1 and driven friction layer 2 14, and active friction layer 1, active friction layer 2 10, driven friction layer 1 are all not identical with the friction factor of driven friction layer 2 14.Initiatively disk body 8 is spliced by the plate body 1 of 4 arcuations, and the central angle of each plate body 1 is 90 °.Driven disk body 12 is spliced by the plate body 2 21 of 4 arcuations, and the central angle of each plate body 2 21 is 90 °.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the left end of driving shaft 1 is provided with the left hydraulic cylinder 7 for driving driven friction disk 6 movement, and the right-hand member of driving shaft 1 is provided with the right oil hydraulic cylinder 15 for driving driven friction disk 6 movement.
This hydro-viscous speed governing clutch also comprises fuel tank 16, fuel tank 16 is connected with the oil pocket 2 in driving shaft 1 by fuel supply line 17, oil feed pump 18 is provided with in fuel tank 16, described oil feed pump 18 is communicated with fuel supply line 17, described fuel supply line 17 is provided with the cooler 19 for cooling viscous fluid in fuel supply line 17.
The working principle of this hydro-viscous speed governing clutch is as follows: for the operating mode of different main driven shaft velocity ratio, by manipulation left hydraulic cylinder 7 or right oil hydraulic cylinder 6, active friction layer 1 and driven friction layer 2 14 is made to form friction pair, or make active friction layer 2 10 and driven friction layer 1 form friction pair, because active friction layer 1, active friction layer 2 10, driven friction layer 1 are all not identical with the friction factor of driven friction layer 2 14, then can select relative friction pair according to actual conditions.The one side of friction plate is heated for a long time in addition, very easily causes the buckling deformation of friction plate, by the working surface of irregular switching friction plate, effectively can avoid the generation of this phenomenon.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. a hydro-viscous speed governing clutch, described hydro-viscous speed governing clutch comprises driving shaft (1), there is in described driving shaft (1) oil pocket (2), one end of described driving shaft (1) is fixed with input shaft (3), one end is provided with output shaft (4) in addition, one end of described output shaft (4) is arranged in oil pocket (2), one end passes the end of driving shaft (1) in addition, oil pocket (2) inwall in described driving shaft (1) there is active friction plate (5) by spline joint, described output shaft (4) there is driven friction disk (6) by spline joint, described driven friction disk (6) to be all positioned on described oil pocket (2) inwall and and active friction plate (5) interval arrange, the left end of described driving shaft (1) is provided with the left hydraulic cylinder (7) for driving driven friction disk (6) movement, it is characterized in that, described active friction plate (5) comprises initiatively disk body (8), the both sides of described active disk body (8) are respectively arranged with active friction layer one (9) and active friction layer two (10), described driven friction disk (6) comprises driven disk body (12), the both sides of described driven disk body (12) are respectively arranged with driven friction layer one (13) and driven friction layer two (14), and described active friction layer one (9), active friction layer two (10), driven friction layer one (13) are all not identical with the friction factor of driven friction layer two (14).
2. a kind of hydro-viscous speed governing clutch according to claim 1, is characterized in that, the right-hand member of described driving shaft (1) is provided with the right oil hydraulic cylinder (15) for driving driven friction disk (6) movement.
3. a kind of hydro-viscous speed governing clutch according to claim 1, it is characterized in that, described hydro-viscous speed governing clutch also comprises fuel tank (16), described fuel tank (16) is connected with the oil pocket (2) in described driving shaft (1) by fuel supply line (17), be provided with oil feed pump (18) in described fuel tank (16), described oil feed pump (18) is communicated with fuel supply line (17).
4. a kind of hydro-viscous speed governing clutch according to claim 3, is characterized in that, described fuel supply line (17) is provided with the cooler (19) for cooling fuel supply line (17) interior viscous fluid.
5. a kind of hydro-viscous speed governing clutch according to claim 1 or 2 or 3 or 4, it is characterized in that, described active disk body (8) is spliced by the plate body one (20) of 4 arcuations, and the central angle of each plate body one (20) is 90 °.
6. a kind of hydro-viscous speed governing clutch according to claim 1 or 2 or 3 or 4, it is characterized in that, described driven disk body (12) is spliced by the plate body two (21) of 4 arcuations, and the central angle of each plate body two (21) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420515658.1U CN204099450U (en) | 2014-09-09 | 2014-09-09 | A kind of hydro-viscous speed governing clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420515658.1U CN204099450U (en) | 2014-09-09 | 2014-09-09 | A kind of hydro-viscous speed governing clutch |
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| Publication Number | Publication Date |
|---|---|
| CN204099450U true CN204099450U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420515658.1U Expired - Fee Related CN204099450U (en) | 2014-09-09 | 2014-09-09 | A kind of hydro-viscous speed governing clutch |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605123A (en) * | 2016-01-06 | 2016-05-25 | 江苏大学 | Large-power two-side control type adjustable-speed clutch |
| CN107893826A (en) * | 2017-11-10 | 2018-04-10 | 浙江大学 | Hydraulic transformer on mechanically moving is depressured energy-saving HVC hydraulic systems |
| CN110206518A (en) * | 2019-05-23 | 2019-09-06 | 辽宁昆成实业有限公司 | A kind of well head viscosity reduction conveyance conduit based on coupling |
-
2014
- 2014-09-09 CN CN201420515658.1U patent/CN204099450U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605123A (en) * | 2016-01-06 | 2016-05-25 | 江苏大学 | Large-power two-side control type adjustable-speed clutch |
| CN105605123B (en) * | 2016-01-06 | 2018-04-24 | 江苏大学 | A kind of high-power bilateral control formula variable-speed clutch |
| CN107893826A (en) * | 2017-11-10 | 2018-04-10 | 浙江大学 | Hydraulic transformer on mechanically moving is depressured energy-saving HVC hydraulic systems |
| CN107893826B (en) * | 2017-11-10 | 2019-03-01 | 浙江大学 | A kind of energy-saving hydro-viscous speed governing clutch hydraulic system of hydraulic transformer decompression |
| CN110206518A (en) * | 2019-05-23 | 2019-09-06 | 辽宁昆成实业有限公司 | A kind of well head viscosity reduction conveyance conduit based on coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150909 |
|
| EXPY | Termination of patent right or utility model |