CN202707990U - Low-speed high-efficiency energy-saving lockup-type hydraulic torque converter - Google Patents

Low-speed high-efficiency energy-saving lockup-type hydraulic torque converter Download PDF

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Publication number
CN202707990U
CN202707990U CN 201220204339 CN201220204339U CN202707990U CN 202707990 U CN202707990 U CN 202707990U CN 201220204339 CN201220204339 CN 201220204339 CN 201220204339 U CN201220204339 U CN 201220204339U CN 202707990 U CN202707990 U CN 202707990U
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CN
China
Prior art keywords
torque converter
wheel
turbine
oil
pump impeller
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220204339
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Chinese (zh)
Inventor
李淑萍
许睿
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TIANJIN ENGINEERING MACHINERY INSTITUTE
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TIANJIN ENGINEERING MACHINERY INSTITUTE
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Priority to CN 201220204339 priority Critical patent/CN202707990U/en
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Publication of CN202707990U publication Critical patent/CN202707990U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a low-speed high-efficiency energy-saving lockup-type hydraulic torque converter, and belongs to the technical field of hydraulic torque converters. The low-speed high-efficiency energy-saving lockup-type hydraulic torque converter comprises a pump wheel, a worm wheel, a guide wheel, a lockup clutch, an overrun clutch, a cover wheel, a worm wheel hub, a pump wheel hub, a guide wheel seat and an output shaft. The pump wheel is connected with the cover wheel into a whole, the worm wheel is connected with the output shaft, the lockup clutch is arranged between the cover wheel and the worm wheel, the guide wheel is arranged between the pump wheel and the worm wheel, the guide wheel is connected with the guide wheel seat through the overrun clutch, and the guide wheel seat is fixed on a shell of the overrun clutch. The worm wheel hub is arranged on the worm wheel, the pump wheel hub is fixed on the pump wheel, the pump wheel hub is provided with a driving gear driving an oil pump, the guide wheel seat is provided with an oil inlet channel and an oil returning channel of the torque converter, and the shell is provided with an inlet-return oil valve controlling oil pressure. The low-speed high-efficiency energy-saving lockup-type hydraulic torque converter has the advantages of being simple in structure, compact in part distribution, even in stress, high in transmission efficiency, low in manufacturing difficulty, capable of achieving lot sizing easily and the like.

Description

A kind of closed-end hydraulic torque converter of low speed high efficiency energy saving
Technical field
The utility model belongs to the fluid torque converter technical field, particularly relates to a kind of closed-end hydraulic torque converter of low speed high efficiency energy saving.
Background technique
At present, fluid torque converter all is the medium-sized product for general automobile development basically, and fluid torque converter form and model are more.But it is lower that total characteristics are transmission efficiencies, and the purpose of development is just in order to satisfy the applying working condition of complete machine, do not have a specific (special) requirements to energy-conservation.Torque converter drive efficient is larger on the impact of complete machine fuel oil, and improving torque converter drive efficient also is the direction of always studying at present.The factor that affects torque converter drive efficient is a lot, and the factor of leaf grating impact is maximum, secondly is the kind of drive.Have the fluid torque converter of streamlined leaf grating relatively near the variation of liquid flow field, at the identical fluid torque converter that can hold streamlined leaf grating, the starting converter torque ratio is large, higher efficiency range is wide and high working efficiency.
The streamlined leaf grating of the existing most of employing of fluid torque converter producer, but because the difference of design method and design level, the fluid torque converter performance differs larger.
Summary of the invention
The utility model is to solve the technical problem that exists in the known technology, and a kind of closed-end hydraulic torque converter of low speed high efficiency energy saving is provided.
The purpose of this utility model provides a kind ofly to be had rated speed and reduces, can hold increase, high-speed working condition locking transmission, transmission efficiency is high, fuel consume is low, and simple in structure, the component characteristics of compact layout, stressed even, the manufacturing difficulty of processing is low, is easy to realize the closed-end hydraulic torque converter of the low speed high efficiency energy saving of the characteristics such as mass.
By adjusting hydrodynamic torque converter cascade, keeping under the constant front topic of power, reduce the fluid torque converter rated speed, increasing fluid torque converter can hold, significantly improve the transmission efficiency of fluid torque converter applying working condition, take full advantage of the useful horsepower of motor, the reduce fuel oil consumption is just in a direction of active research on the present industry.The converter coupling of simple closing type changes on the mild type in partial load also application, and purpose is to improve the transmission efficiency of fluid torque converter when high-speed working condition.If low speed high efficiency energy saving type fluid torque converter is added forced blocking at high-speed working condition, transfer mechanical transmission to by hydraudynamic drive, more can effectively improve the transmission efficiency of complete machine, reduce fuel oil consumption significantly, energy-saving effect can be more obvious.
The present technique working principle: lockup clutch adopts the hydraulic pressure auto-control system to control, and fluid torque converter is in due course carries out the locking switching.Lockup clutch separates under the low speed operating mode, free wheel device wedging, the normal operation operating mode of assurance fluid torque converter; Lockup clutch engages under high-speed working condition, and pump impeller is latched in rotation with turbine, and free wheel device is thrown off, and realizes that power directly transmits.
The technological scheme that the closed-end hydraulic torque converter of the utility model low speed high efficiency energy saving is taked for solution prior art problem is:
A kind of closed-end hydraulic torque converter of low speed high efficiency energy saving is characterized in: fluid torque converter comprises pump impeller, turbine, guide wheel, lockup clutch, free wheel device, hubcap, turbine hub, pump impeller hub, wheel stand and output shaft; Pump impeller and hubcap are integrally togather, and turbine links to each other with output shaft, are provided with lockup clutch between hubcap and turbine; Guide wheel is arranged between pump impeller and the turbine, and guide wheel is connected with wheel stand by free wheel device, and wheel stand is fixed on the fluid torque converter housing; The turbine hub is installed on the turbine, and the pump impeller hub is fixed on the pump impeller, and the driving gear that drives oil pump is installed on the pump impeller hub; Oil input channel and the back oil road of torque-converters are set on the wheel stand, and the oil inlet and oil return road junction of wheel stand communicates with oil inlet and oil return road on the housing, and the oil inlet and oil return valve of control oil pressure is housed on the housing.
The closed-end hydraulic torque converter of the utility model low speed high efficiency energy saving can also adopt following technical measures:
The closed-end hydraulic torque converter of described low speed high efficiency energy saving is characterized in: lockup clutch is connected with the automatic operating control mechanism of hydraulic pressure, and the oil inlet and oil return hole of the control oil of the automatic operating control mechanism of hydraulic pressure is arranged in the middle of the output shaft.
The closed-end hydraulic torque converter of described low speed high efficiency energy saving is characterized in: lockup clutch has lockup piston, friction plate, release spring; Lockup clutch oil inlet and oil return road is arranged on the hubcap; Lockup piston and friction rotating plate are installed on the hubcap, and driven plate is installed on the turbine hub of turbine, between principal and subordinate's moving plate release spring is installed.
The closed-end hydraulic torque converter of described low speed high efficiency energy saving is characterized in: free wheel device is the cylindrical roller type overrunning clutch, is comprised of outer ring, inner ring, roller, holddown spring and bearing.
The closed-end hydraulic torque converter of described low speed high efficiency energy saving is characterized in: free wheel device is shaped as the inner ring cam, and camming surface is face profile.
The closed-end hydraulic torque converter of described low speed high efficiency energy saving is characterized in: pump impeller and hubcap are integrated by Bolt Connection; Turbine links to each other with output shaft by spline.
The closed-end hydraulic torque converter of described low speed high efficiency energy saving is characterized in: on turbine, the pump impeller hub is fixed by bolts on the pump impeller turbine hub with rivet.
Advantage and the good effect that the utlity model has are:
The closed-end hydraulic torque converter of low speed high efficiency energy saving compared with prior art, the utlity model has following advantage owing to adopted the brand-new technological scheme of the utility model:
1. the hydrodynamic torque converter cascade system adopts streamlined structure, and this fluid torque converter starting converter torque ratio is large, higher efficiency range is wide and working efficiency is higher.
2. the fluid torque converter transmitted power is constant, by Design of Cascade, reduces rated speed, increases and can hold, and significantly improves transmission efficiency; Take full advantage of simultaneously the useful horsepower of motor, Proper Match, reduce fuel oil consumption.
3. fluid torque converter low speed operating mode is the fluid power operating mode, guarantees the normal operation operating mode of fluid torque converter; Lockup clutch engages under high-speed working condition, and pump impeller is latched in rotation with turbine, transfers mechanical transmission to by hydraudynamic drive, realizes that power directly transmits, and transmission efficiency significantly improves.
This hydrodynamic torque converter cascade adopts streamline structure, and rated speed reduces, can hold increase, high-speed working condition locking transmission, can significantly improve the transmission efficiency of fluid torque converter, take full advantage of the transmission power of motor, the reduce fuel oil consumption reaches the purpose of energy-saving and emission-reduction.
The utility model also has simple in structure, the component characteristics of compact layout, and stressed even, it is low to make difficulty of processing, is easy to realize the advantages such as mass.
Description of drawings
Fig. 1 is the structural representation of the closed-end hydraulic torque converter of low speed high efficiency energy saving of the present utility model.
Among the figure: 1, housing, 2, resilient disc, 3, hubcap, 4, O-ring seals, 5, big sealing ring, 6, piston, 7, bearing plate, 8, small sealing ring, 9, back-up ring, 10, the centering spindle nose, 11, spacer, 12, bearing, 13, the turbine assembly, 14, wearing piece, 15, steel disc, 16, bolt, 17, the planchet plate, 18, separate reed, 19, bolt, 20, cover plate, 21, back-up ring, 22, O-ring seals, 23, pump impeller, 24, guide wheel, 25, back-up ring, 26, baffle plate, 27, gear, 28, wheel stand, 29, seal ring, 30, bearing, 31, bolt, 32, spacer, 33, bolt, 34, free wheel device, 35, bolt.
Embodiment
For further understanding technology contents of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
Embodiment 1
Consult accompanying drawing 1.
The comprehensive fluid torque converter of a kind of enclosed type of low speed high efficiency energy saving comprises: pump impeller, turbine, guide wheel, lockup clutch, free wheel device, hubcap, turbine hub, pump impeller hub, wheel stand, output shaft etc.; Pump impeller and hubcap are by the Bolt Connection one, and as the driving link of power input, turbine links to each other with output shaft by spline, is drive element, and high-speed working condition hubcap and turbine connect as one by arranging lockup clutch therebetween, realize the direct transmission of power; Guide wheel is arranged between pump impeller and the turbine, and guide wheel is connected with wheel stand by free wheel device, and wheel stand is fixed on the fluid torque converter housing; On turbine, the pump impeller hub is fixed by bolts on the pump impeller turbine hub with rivet, and the driving gear that drives oil pump is installed on the pump impeller hub.Oil input channel and the back oil road of torque-converters are set on the wheel stand, and the oil inlet and oil return road junction of wheel stand communicates with oil inlet and oil return road on the housing, imports and exports oil pressure and is controlled by the oil inlet and oil return valve on the housing.Lockup clutch adopts the hydraulic pressure auto-control system to control, and its control oil is by the turnover of the oil inlet and oil return hole in the middle of the output shaft.
Lockup clutch is comprised of lockup piston, friction plate, release spring etc.Lockup clutch oil inlet and oil return road is arranged on the hubcap; Lockup piston and friction rotating plate are installed on the hubcap, and driven plate is installed on the turbine hub of turbine, between principal and subordinate's moving plate release spring is installed.Free wheel device is the cylindrical roller type overrunning clutch, is comprised of outer ring, inner ring, roller, holddown spring and bearing, is shaped as the inner ring cam, and camming surface is face profile.
The concrete mounting structure of present embodiment:
See also Fig. 1.All component of this fluid torque converter all directly or indirectly are fixed on the housing 1 by wheel stand 28 supportings, wheel stand 28 oil ducts link to each other with housing 1 oil duct, transmission oil by shell stop 1 and wheel stand 28 oil ducts enter the fluid torque converter inner chamber, guarantee the normal transmission of torque-converters.Fluid torque converter centering spindle nose 10 left ends are bearing on the flywheel casing endoporus of motor, on the centering spindle nose 10 resilient disc 2 are installed, and resilient disc 2 links with engine flywheel, and the power of motor is imported into.Centering spindle nose 10 is fixed on the hubcap 3, and hubcap 3 links with pump impeller 23, and pump impeller 23 is bearing on the wheel stand 28 by bearing 30.Guide wheel 24 links by free wheel device 34 and wheel stand 28.Free wheel device 34 is fixed on the wheel stand 28 by spline, axially blocks with back-up ring 9.Turbine assembly 13 is bearing on the centering spindle nose 10 by bearing 12.Lockup clutch is arranged in the middle of centering spindle nose 10, hubcap 3 and the turbine assembly 13, is comprised of piston 6, bearing plate 7, wearing piece 14, steel disc 15 and parts such as separating reed 18.In fluid torque converter slow-speed of revolution operating mode, lockup clutch separates, free wheel device 34 wedgings, and guide wheel 24 maintains static, and power is by 10 inputs of centering spindle nose, and behind pump impeller 23 and guide wheel 24 bending moments, by 13 outputs of turbine assembly, fluid torque converter is the hydraudynamic drive operating mode.When the fluid torque converter rotating speed reaches certain setting value, lockup clutch engages, free wheel device is thrown off, guide wheel rotates freely, centering spindle nose 10, hubcap 3 and turbine assembly 13 are bonded together by lockup clutch, hydraudynamic drive transfers mechanical transmission to, and power directly passes to 13 outputs of turbine assembly by centering spindle nose 10.Face of fluid torque converter 23, turbine assembly 13 and guide wheel 24 inner leaf gratings design by the low rated speed operating mode of fluid torque converter.
This fluid torque converter is used for the Hydraulic Machinery of rated speed 1800~2000rpm low-speed running, have the transmission efficiency height, with reasonable, the advantages such as reliability is high, long service life of Engine Matching.

Claims (7)

1. the closed-end hydraulic torque converter of a low speed high efficiency energy saving, it is characterized in that: fluid torque converter comprises pump impeller, turbine, guide wheel, lockup clutch, free wheel device, hubcap, turbine hub, pump impeller hub, wheel stand and output shaft; Pump impeller and hubcap are integrally togather, and turbine links to each other with output shaft, are provided with lockup clutch between hubcap and turbine; Guide wheel is arranged between pump impeller and the turbine, and guide wheel is connected with wheel stand by free wheel device, and wheel stand is fixed on the fluid torque converter housing; The turbine hub is installed on the turbine, and the pump impeller hub is fixed on the pump impeller, and the driving gear that drives oil pump is installed on the pump impeller hub; Oil input channel and the back oil road of torque-converters are set on the wheel stand, and the oil inlet and oil return road junction of wheel stand communicates with oil inlet and oil return road on the housing, and the oil inlet and oil return valve of control oil pressure is housed on the housing.
2. the closed-end hydraulic torque converter of low speed high efficiency energy saving according to claim 1, it is characterized in that: lockup clutch is connected with the automatic operating control mechanism of hydraulic pressure, and the oil inlet and oil return hole of the control oil of the automatic operating control mechanism of hydraulic pressure is arranged in the middle of the output shaft.
3. the closed-end hydraulic torque converter of low speed high efficiency energy saving according to claim 1 and 2, it is characterized in that: lockup clutch has lockup piston, friction plate, release spring; Lockup clutch oil inlet and oil return road is arranged on the hubcap; Lockup piston and friction rotating plate are installed on the hubcap, and driven plate is installed on the turbine hub of turbine, between principal and subordinate's moving plate release spring is installed.
4. the closed-end hydraulic torque converter of low speed high efficiency energy saving according to claim 1, it is characterized in that: free wheel device is the cylindrical roller type overrunning clutch, is comprised of outer ring, inner ring, roller, holddown spring and bearing.
5. the closed-end hydraulic torque converter of low speed high efficiency energy saving according to claim 4, it is characterized in that: free wheel device is shaped as the inner ring cam, and camming surface is face profile.
6. the closed-end hydraulic torque converter of low speed high efficiency energy saving according to claim 1, it is characterized in that: pump impeller and hubcap are integrated by Bolt Connection; Turbine links to each other with output shaft by spline.
7. the closed-end hydraulic torque converter of low speed high efficiency energy saving according to claim 1 is characterized in that: on turbine, the pump impeller hub is fixed by bolts on the pump impeller turbine hub with rivet.
CN 201220204339 2012-05-08 2012-05-08 Low-speed high-efficiency energy-saving lockup-type hydraulic torque converter Expired - Fee Related CN202707990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220204339 CN202707990U (en) 2012-05-08 2012-05-08 Low-speed high-efficiency energy-saving lockup-type hydraulic torque converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220204339 CN202707990U (en) 2012-05-08 2012-05-08 Low-speed high-efficiency energy-saving lockup-type hydraulic torque converter

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179924A (en) * 2014-08-08 2014-12-03 洛阳雷斯达传动有限公司 Hydraulic torque converter with flexible lock-out control function
CN105179633A (en) * 2015-10-08 2015-12-23 金华市华海机械有限公司 Pump hub gear sleeve and machining process thereof
CN105508572A (en) * 2015-12-18 2016-04-20 广西柳工机械股份有限公司 Differential gear positioning structure of double-turbine hydraulic torque converter
CN106321771A (en) * 2016-11-08 2017-01-11 哈尔滨广瀚动力传动有限公司 Novel double-turbine double-guide wheel guide vane adjustable type hydraulic torque converter
CN110822051A (en) * 2019-12-10 2020-02-21 吉林大学 Hydraulic torque converter device with comprehensive vibration reduction function

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179924A (en) * 2014-08-08 2014-12-03 洛阳雷斯达传动有限公司 Hydraulic torque converter with flexible lock-out control function
CN105179633A (en) * 2015-10-08 2015-12-23 金华市华海机械有限公司 Pump hub gear sleeve and machining process thereof
CN105508572A (en) * 2015-12-18 2016-04-20 广西柳工机械股份有限公司 Differential gear positioning structure of double-turbine hydraulic torque converter
CN105508572B (en) * 2015-12-18 2018-12-07 广西柳工机械股份有限公司 Twin-turbine torque converter transfer gear location structure
CN106321771A (en) * 2016-11-08 2017-01-11 哈尔滨广瀚动力传动有限公司 Novel double-turbine double-guide wheel guide vane adjustable type hydraulic torque converter
CN106321771B (en) * 2016-11-08 2018-12-18 哈尔滨广瀚动力传动有限公司 A kind of double guide wheel guide vane adjustable hydraulic torque converters of novel twin turbines
CN110822051A (en) * 2019-12-10 2020-02-21 吉林大学 Hydraulic torque converter device with comprehensive vibration reduction function

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20130130

Termination date: 20200508