CN102878270A - Start and stop controllable flexible transmission device - Google Patents
Start and stop controllable flexible transmission device Download PDFInfo
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- CN102878270A CN102878270A CN2012103816718A CN201210381671A CN102878270A CN 102878270 A CN102878270 A CN 102878270A CN 2012103816718 A CN2012103816718 A CN 2012103816718A CN 201210381671 A CN201210381671 A CN 201210381671A CN 102878270 A CN102878270 A CN 102878270A
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Abstract
The invention relates to a start and stop controllable flexible transmission device and belongs to the technical field of mechanical soft start. The device is formed by a fluid power speed-regulation transmission unit, an operating oil flow adjustable oil-way system, a parallel-shaft gear transmission unit, a planetary gear transmission unit, a braking module and a lubricating oil circulation cooling oil-way system, wherein the fluid power speed-regulation transmission unit is connected with the parallel-shaft gear transmission unit through a driven shaft, and the parallel-shaft gear transmission unit is connected with the planetary gear transmission unit through a sun gear and meshed with a braking gear of the braking module through a reduction gear. According to the device, a driving impeller and a driven impeller are in flexible transmission through liquid during power transmission, no mechanical contact or abrasion exists between the two impellers, the vibration between a prime mover and a working machine can be effectively isolated under working conditions of severe shock vibration, and the transmission quality is improved; core parts are long in service life and not needed to maintain; and transmission media are convenient to purchase, low in cost, wide in selection range and adaptive to environments in high-temperature and severe cold areas.
Description
Technical field
The present invention relates to a kind of isoparametric controlled start and stop flexible gearing of moment, speed and time that can control the working machine startup and stop, belong to mechanical soft Starting Technology field.
Background technique
Existing mechanical soft Starting Technology is hydro-viscous speed adjustment drive device.This transmission device utilizes the frictional force transferring power between fluid molecule, and core component is the hydraulic system of sound friction plate, specific hydraulic fluid and highi degree of accuracy, high pressure.Hydro-viscous speed adjustment drive device pressurizes to the sound friction plate by the hydraulic system of highi degree of accuracy, high pressure, be full of specific hydraulic fluid between the sound friction plate, change the ability of sound friction plate transferring power by changing gap between the sound friction plate, the gap is less, and the transferring power ability is larger.
The main deficiency of liquid_viscosity regulator have following some:
1, sound friction plate requirement on machining accuracy is high, increase manufacture cost, and the sound friction plate is easy to wear;
2, the ability temperature influence of sound friction plate transferring power is very large, and transferring power is unstable, in high temperature and severe cold area bad adaptability;
3, the dedicated hydraulic oil require is often changed, otherwise the iron powder that weares and teares on the sound friction plate badly influences the stability of hydraulic system, causes the unstable of transmission of power, has further accelerated the wearing and tearing of sound friction plate, causes vicious circle.
4, operating cost is high, and is expensive owing to sound friction plate, dedicated hydraulic oil require are often changed, and causes operating cost high.
Summary of the invention
The object of the invention is to, provide a kind of be applicable to by in, powerful motor or oil-engine driven large inertia, start the drive system of heavy slow-speed of revolution operation, prime mover No Load Start, working machine smooth starting, working machine starting with full load, working machine that solves this type of drive system be the engineering difficult problem such as parking steadily; Can realize modularization composite structure, and compact structure, transmission is more reasonable, flexible effective controlled start and stop flexible gearing.
The present invention realizes above-mentioned purpose by the following technical solutions:
This controlled start and stop flexible gearing is made of hydraulic speed-regulating gear unit, the adjustable oil-way system of working oil flow, parallel-axes gears gear unit, planetary gear transmission unit, brake module, lubrication oil circulation cooling oil path system, it is characterized in that: the hydraulic speed-regulating gear unit is comprised of input shaft, active impeller, shell, driven impeller, and driven impeller, active impeller and shell form active chamber; The parallel-axes gears gear unit by driven shaft, reduction gear to forming with sun gear; Planetary gear transmission unit is comprised of planet wheel and output shaft; Brake module is comprised of spragging gear, brake axle and brake disc; The hydraulic speed-regulating gear unit is connected by driven shaft with the parallel-axes gears gear unit, the parallel-axes gears gear unit connects planetary gear transmission unit by sun gear, and by the reduction gear pair spragging gear engagement with brake module, the adjustable oil-way system of working oil flow is connected oil circuit and is connected with brake module with hydraulic speed-regulating gear unit, parallel-axes gears gear unit, planetary gear transmission unit with lubrication oil circulation cooling oil path system.
The present invention's beneficial effect compared with prior art is:
1, this controlled start and stop flexible gearing can be isolated the vibration between prime mover and the working machine effectively because the contact of power transmission process machinery-free is the flexibility transmission of liquid under the more abominable operating mode of impact shock, improves the transmission quality.
2, the active impeller of this controlled start and stop flexible gearing and driven impeller by the liquid Flexible Transmission, do not have Mechanical Contact between two impellers when transferring power, therefore do not have mechanical wear; The Flexible Transmission of liquid has absorbed extraneous vibrations and impact simultaneously, and the normal service life of impeller can reach 30 years, core component long service life, Maintenance free, economical operation.
3, the power transmission medium of this controlled start and stop flexible gearing adopts the common oil product of #6, #8, also can have with isoviscous oil product with other, the driving medium buying is convenient, price economy, selection face is wider, at high temperature and severe cold area preferably environmental suitability is arranged.
Easily damaged parts when 4, this controlled start and stop flexible gearing normally moves is the hydraulic element commonly used such as seal ring, filter screen, only needs General Maintenance, and general factory machine maintenance group can both be competent at, and need not special training, safeguards simple.
Description of drawings
Fig. 1 is the technological scheme schematic representation of controlled start and stop flexible gearing;
Fig. 2 is the structural representation of controlled start and stop flexible gearing.
Among the figure: 1, hydraulic speed-regulating gear unit, 2, the adjustable oil-way system of working oil flow, 3, the parallel-axes gears gear unit, 4, planetary gear transmission unit, 5, brake module, 6, lubrication oil circulation cooling oil path system, 7, input shaft, 8, impeller initiatively, 9, shell, 10, driven impeller, 11, driven shaft, 12, spragging gear, 13, brake axle, 14, brake disc, 15, reduction gear pair, 16, sun gear, 17, planet wheel, 18, output shaft, 19, fuel tank, 20, the adjustable oil feed pump of flow, 21, the circulating cooling pump, 22, fluid import, 23, fluid outlet.
Embodiment
This controlled start and stop flexible gearing is made of hydraulic speed-regulating gear unit 1, the working oil flow is adjustable oil-way system 2, parallel-axes gears gear unit 3, planetary gear transmission unit 4, brake module 5, lubrication oil circulation cooling oil path system 6.Described hydraulic speed-regulating gear unit 1 is comprised of input shaft 7, active impeller 8, shell 9 and driven impeller 10, and initiatively impeller 8, shell 9 and driven impeller 10 form active chambers.Parallel-axes gears gear unit 3 by driven shaft 11, reduction gear to 15 and sun gear 16 form.Planetary gear transmission unit 4 is comprised of planet wheel 17 and output shaft 18.Brake module 5 is comprised of spragging gear 12, brake axle 13 and brake disc 14.Hydraulic speed-regulating gear unit 1 is connected by driven shaft 11 with parallel-axes gears gear unit 3, and parallel-axes gears gear unit 3 connects planetary gear transmission units 4 by sun gear 16, and by reduction gear to 15 with spragging gear 12 engagements of brake module 5.The working oil flow is adjustable, and oil-way system 2 is connected with lubrication oil circulation cooling oil path system by oil circuit and hydraulic speed-regulating gear unit 1, parallel-axes gears gear unit 3, planetary gear transmission unit 4 is connected with brake module and is connected (referring to accompanying drawing 1～2).
The know-why of these controlled start and stop flexible gearing start and stop is as follows:
1, this controlled start and stop flexible gearing is in motor and working machine and separates operating mode by the active chamber liquid filled ratio q=0% of control hydraulic speed-regulating gear unit 1, and the non-loaded startup of motor also reaches rapidly rated speed, finishes the No Load Start of motor;
2, increase gradually the liquid filled ratio of active chamber by the adjustable oil-way system 2 of working oil flow, the output revolutions of controlled start and stop flexible gearing is directly proportional with the active chamber liquid filled ratio, when active chamber liquid filled ratio q=100%, working machine reaches rated revolution, the machine smooth starting process of finishing the work;
3, reduce gradually the liquid filled ratio of active chamber, the mechanical energy that makes motor pass to working machine reduces gradually, the reduction progressively of working machine revolution, when active chamber liquid filled ratio q=0%, motor and working machine break away from, and working machine is by inertial rotation, and cooperate brake module 5 that working machine is steadily stopped this moment;
4, at working machine initial start stage (this moment, working machine was static), controlled start and stop flexible gearing output torque is directly proportional with the active chamber liquid filled ratio, increase gradually the liquid filled ratio of active chamber simultaneously, the output torque of controlled start and stop flexible gearing also increases to the peak torque near motor gradually, so can utilize the peak torque deactivation load of motor, this peak torque can the starting with full load working machine greater than the starting with full load moment of working machine.
This controlled start and stop flexible gearing is the highly integrated transmission device of hydraudynamic drive and gear transmission, the specific works process is: the transmission of power medium of hydraudynamic drive is fluid, fluid is sucked from fuel tank 19 by the adjustable oil feed pump 20 of flow, send into the active chamber that is formed by active impeller 8, shell 9 and driven impeller 10, in active chamber, 8 pairs of fluid actings of the active impeller that links to each other with motor or internal combustion engine output shaft, after fluid obtains kinetic energy and potential energy, high-speed punching is to driven impeller 10, and driven impeller 10 absorbs kinetic energy and the potential energy of fluid and is converted into mechanical energy output.Driven impeller 10, the initiatively ability and the proportional relation of liquid filled ratio of active chamber of impeller 8 transferring power, the liquid filled ratio of change active chamber just can under the constant operating mode of active impeller 8 rotating speeds, change output torque and the output speed of driven impeller 10.Driven impeller 10 with by driven shaft 11, reduction gear to 15, sun gear 16, planet wheel 17, output shaft 18 the parallel-axes gears gear unit 3, the planetary gear transmission unit 4 that form link to each other, mechanical energy is through parallel-axes gears gear unit 3, planetary gear transmission unit 4 efficient conversions and transmission, finally export rotating speed and the moment that is complementary with the working machine characteristic by output shaft 18, thereby finish the flexibility transmission of power.Fluid flows back to fuel tank 19 along the drain tap of the outer rim of shell 9 afterwards.
The brake module 5 of this controlled start and stop flexible gearing is comprised of spragging gear 12, brake axle 13, brake disc 14, when damped condition, brake disc 14 obtains an external positive pressure, produce a braking moment, by spragging gear 12 pass to by driven shaft 11, reduction gear to 15, the parallel-axes gears gear unit 3 that forms of sun gear 16, planet wheel 17, output shaft 18, the gear drive of planetary gear transmission unit 4, can to the working machine emergency braking, reach purpose anti-reverse, sliding prevention vehicle.
The above is the embodiment of this invention, above-mentioned not illustrating is construed as limiting flesh and blood of the present invention, the person of an ordinary skill in the technical field can make an amendment or is out of shape above-mentioned embodiment after having read this specification, and does not deviate from the spirit and scope of the invention.
Claims (1)
1. controlled start and stop flexible gearing, it is made of hydraulic speed-regulating gear unit (1), the adjustable oil-way system of working oil flow (2), parallel-axes gears gear unit (3), planetary gear transmission unit (4), brake module (5), lubrication oil circulation cooling oil path system (6), it is characterized in that: hydraulic speed-regulating gear unit (1) is comprised of input shaft (7), active impeller (8), shell (9), driven impeller (10), and driven impeller (10), active impeller (8) and shell (9) form active chamber; Parallel-axes gears gear unit (3) is comprised of (15) and sun gear (16) driven shaft (11), reduction gear; Planetary gear transmission unit (4) is comprised of planet wheel (17) and output shaft (18); Brake module (5) is comprised of spragging gear (12), brake axle (13) and brake disc (14); Hydraulic speed-regulating gear unit (1) is connected by driven shaft (11) with parallel-axes gears gear unit (3), parallel-axes gears gear unit (3) connects planetary gear transmission unit (4) by sun gear (16), and by spragging gear (12) engagement of reduction gear to (15) and brake module (5), the adjustable oil-way system of working oil flow (2) is connected 6 with lubrication oil circulation cooling oil path system) be connected 5 with hydraulic speed-regulating gear unit (1), parallel-axes gears gear unit (3), planetary gear transmission unit (4) with brake module by oil circuit) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381671.8A CN102878270B (en) | 2012-10-10 | 2012-10-10 | Start and stop controllable flexible transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381671.8A CN102878270B (en) | 2012-10-10 | 2012-10-10 | Start and stop controllable flexible transmission device |
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| Publication Number | Publication Date |
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| CN102878270A true CN102878270A (en) | 2013-01-16 |
| CN102878270B CN102878270B (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210381671.8A Active CN102878270B (en) | 2012-10-10 | 2012-10-10 | Start and stop controllable flexible transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343805A (en) * | 2013-07-24 | 2013-10-09 | 沈阳中煤工程技术有限公司 | Flexible start speed adjusting device capable of realizing belt-type conveyor on-load power isolation |
Citations (6)
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|---|---|---|---|---|
| RU2191303C2 (en) * | 2000-11-13 | 2002-10-20 | Открытое акционерное общество "Курганмашзавод" | Hydromechanical transmission |
| US6685593B1 (en) * | 1999-02-19 | 2004-02-03 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic, mechanical multi-speed compound transmission |
| CN2622485Y (en) * | 2003-05-30 | 2004-06-30 | 贵州凯星液力传动机械有限公司 | Hydraulic speed variator |
| CN2886221Y (en) * | 2006-05-18 | 2007-04-04 | 邓亚民 | Hydrodynamic drive transmission for fixed-axis wheel series of automobile |
| CN201354836Y (en) * | 2009-02-11 | 2009-12-02 | 大连福克液力偶合器有限公司 | Special variable speed fluid coupling transmission device for drilling machine |
| CN202867759U (en) * | 2012-10-10 | 2013-04-10 | 荆州市巨鲸传动机械有限公司 | Controllable start-stop flexible transmission device |
-
2012
- 2012-10-10 CN CN201210381671.8A patent/CN102878270B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6685593B1 (en) * | 1999-02-19 | 2004-02-03 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic, mechanical multi-speed compound transmission |
| RU2191303C2 (en) * | 2000-11-13 | 2002-10-20 | Открытое акционерное общество "Курганмашзавод" | Hydromechanical transmission |
| CN2622485Y (en) * | 2003-05-30 | 2004-06-30 | 贵州凯星液力传动机械有限公司 | Hydraulic speed variator |
| CN2886221Y (en) * | 2006-05-18 | 2007-04-04 | 邓亚民 | Hydrodynamic drive transmission for fixed-axis wheel series of automobile |
| CN201354836Y (en) * | 2009-02-11 | 2009-12-02 | 大连福克液力偶合器有限公司 | Special variable speed fluid coupling transmission device for drilling machine |
| CN202867759U (en) * | 2012-10-10 | 2013-04-10 | 荆州市巨鲸传动机械有限公司 | Controllable start-stop flexible transmission device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343805A (en) * | 2013-07-24 | 2013-10-09 | 沈阳中煤工程技术有限公司 | Flexible start speed adjusting device capable of realizing belt-type conveyor on-load power isolation |
| CN103343805B (en) * | 2013-07-24 | 2016-02-10 | 沈阳中煤工程技术有限公司 | Belt Conveyors can be with and carry power isolated flexible startup arrangements for speed regulation |
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| Publication number | Publication date |
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| CN102878270B (en) | 2015-02-11 |
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