CN107100976B - Forward and reverse power gear shifting gearbox for hydraulic hybrid loader - Google Patents
Forward and reverse power gear shifting gearbox for hydraulic hybrid loader Download PDFInfo
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- CN107100976B CN107100976B CN201710278463.8A CN201710278463A CN107100976B CN 107100976 B CN107100976 B CN 107100976B CN 201710278463 A CN201710278463 A CN 201710278463A CN 107100976 B CN107100976 B CN 107100976B
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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
- F16H33/00—Gearings based on repeated accumulation and delivery of energy
- F16H33/02—Rotary transmissions with mechanical accumulators, e.g. weights, springs, intermittently-connected flywheels
- F16H33/04—Gearings for conveying rotary motion with variable velocity ratio, in which self-regulation is sought
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
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Abstract
The invention relates to a forward and reverse power shift gearbox for a hydraulic hybrid loader, which is characterized in that: the device comprises a front flange (1), a transition shaft (2), a forward planetary gear train (3), a forward brake (4), a three-position five-way reversing valve (5), a reverse planetary gear train (6), a forward brake (7), a box body (8), an output shaft (9), a pump-motor connecting disc (10) and an output shaft sleeve (11); the reversing valve is arranged on the box body (8), and the forward planetary gear system (3), the forward brake, the reverse brake and the reverse planetary gear system (6) are arranged in the box body (8); the reversing valve is arranged on the box body (8). According to the invention, the loader kinetic energy can be converted into hydraulic energy to be stored in the forward braking or reverse braking process of the loader, so that the energy recovery is realized; the hydraulic energy can be converted into the kinetic energy of the loader in the forward starting or reverse starting process of the loader, and the energy utilization is realized.
Description
Technical Field
The invention belongs to the technical field of gear shifting gearboxes of hydraulic hybrid power loaders, and particularly relates to a forward and reverse power gear shifting gearbox for a hydraulic hybrid power loader.
Background
At present, energy conservation and emission reduction and environmental protection become the leading direction of global industrial development, and the engineering machinery industry in China also pays attention to environmental protection and sustainable development strategy in the aspect of product research and development gradually in recent years. The loader has the problems of severe working condition, high oil consumption and high emission, the loader can be braked and started frequently in the working process, and the loader is braked almost every few seconds, so that the whole machine of the loader has large mass, a large amount of energy can be consumed during braking and decelerating, if the energy is not recycled, the kinetic energy of the reversed loader can be converted into heat energy generated by braking friction to be wasted, mechanical abrasion and energy consumption are caused, and a large amount of waste gas generated in the braking process pollutes the environment.
Disclosure of Invention
The invention provides a forward and reverse power shift gearbox for a hydraulic hybrid power loader, which aims to solve the technical problems in the prior art, and can realize that the kinetic energy of the loader is converted into hydraulic energy to be stored in the forward braking or reverse braking process of the loader, so as to realize energy recovery; the hydraulic energy can be converted into the kinetic energy of the loader in the forward starting or reverse starting process of the loader, and the energy utilization is realized.
The invention adopts the technical proposal for solving the technical problems in the prior art that:
the utility model provides a hydraulic pressure hybrid loader is with positive reverse power gear shifting gearbox which characterized in that: the device comprises a front flange, a transition shaft, a forward planetary gear train, a forward and reverse brake, a reversing valve, a reverse planetary gear train, a box body, a reverse brake, an output shaft, a pump-motor receiving disc and an output shaft sleeve; the reversing valve is arranged on the box body, and the forward planetary gear train, the forward and reverse brake and the reverse planetary gear train are arranged in the box body; the reversing valve is arranged on the box body;
the forward planetary gear train comprises a forward planetary carrier, a forward planetary gear arranged on the forward planetary carrier, and a forward gear ring and a sun gear engaged with the forward planetary gear; the reverse planetary gear train comprises a reverse planetary carrier, a reverse planetary gear arranged on the reverse planetary carrier, and a reverse gear ring meshed with the reverse planetary gear; the forward planetary carrier of the forward planetary gear train and the reverse gear ring of the reverse planetary gear train are simultaneously connected together;
the positive brake comprises an oil cylinder body, a positive brake piston arranged on the oil cylinder body, and an internal tooth steel sheet and an external tooth friction sheet connected with the positive brake piston; the reverse brake comprises a reverse brake piston, and an internal tooth steel sheet and an external tooth friction sheet which are connected with the reverse brake piston; a friction plate isolation frame is arranged between the forward brake and the reverse brake; the spring pin shaft is arranged on the outer side of the friction plate isolation frame between the forward brake piston and the reverse brake piston, a spring is sleeved on the spring pin shaft, and an internal tooth steel sheet of the forward brake is connected with a forward gear ring of the forward planetary gear train through a spline; the internal tooth steel sheet of the reverse brake is connected with a reverse planet carrier of the reverse planetary gear train through a spline; the friction plate isolation frame is fixed with the box body;
the front flange is connected with the transition shaft through a spline, the transition shaft is connected with the forward planetary carrier of the forward planetary gear train through a spline, the forward planetary carrier of the forward planetary gear train is connected with the reverse gear ring of the reverse planetary gear train, so that the front flange, the transition shaft, the forward planetary carrier of the forward planetary gear train and the reverse gear ring of the reverse planetary gear train always rotate at the same rotating speed, and the forward gear ring of the forward planetary gear train is internally meshed with the internal tooth steel sheet of the forward and reverse brake; the reverse planetary carrier of the reverse planetary gear train is internally meshed with the internal tooth steel sheet of the forward and reverse brake, and the forward planetary gear train and the reverse planetary gear train share a sun gear; the output shaft is internally meshed with the sun gear, the pump-motor is arranged on the pump-motor receiving disc, and the pump-motor receiving disc and the output shaft are connected with the output shaft to rotate together through the output shaft sleeve.
The invention has the advantages and positive effects that: by adopting the technical scheme, the hydraulic pump/motor can work in the form of a pump in the forward braking or reverse braking process of the loader, so that the hydraulic pump always rotates in the same rotation direction, braking kinetic energy is converted into hydraulic energy, and energy recovery is realized; in the starting stage of the loader, hydraulic energy is released, the hydraulic pump/motor works in the form of a motor, the motor rotates in the same rotation direction, and forward starting or reverse starting of the loader is realized through a forward and reverse power shifting gearbox for the hydraulic hybrid loader, so that energy is recycled, and the working oil consumption of the loader is reduced. Under the condition that the hydraulic pump/motor rotates in the same rotation direction, the hydraulic pump/motor is combined with an internal brake according to the operation information of a driver, so that the forward and reverse braking energy recovery is realized, the forward and reverse starting energy release is realized, and the feasibility of the hydraulic hybrid power of the loader is ensured.
Drawings
FIG. 1 is a structural layout of the present invention;
FIG. 2 is a schematic illustration of a wet brake construction of the present invention;
FIG. 3 is a schematic diagram of the forward and reverse planetary gear trains of the present invention;
in the figure: 1. the front flange, 2, the transition shaft, 3, the forward planetary gear train, 4, the forward brake, 5, the reversing valve, 6, the reverse planetary gear train, 7, the reverse brake, 7-1 and the internal tooth steel sheet; 7-2, an external tooth friction plate; 8. the device comprises a box body, 9, an output shaft, 10, a pump-motor connecting disc, 11, an output shaft sleeve, 12, an oil cylinder body, 13, a forward brake piston, 14, an internal tooth steel sheet, 15, an external tooth friction plate, 16, a friction plate isolation frame, 17, a spring pin shaft, 18, a spring, 19, a reverse brake piston, 20, a forward planet carrier, 21, a sun gear, 22, a forward planet wheel, 23, a forward gear ring, 24, a reverse gear ring, 25, a reverse planet wheel, 26 and a reverse planet carrier.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
referring to fig. 1 to 3, a forward and reverse power shift gearbox for a hydraulic hybrid loader is characterized in that: the device comprises a front flange 1, a transition shaft 2, a forward planetary gear system 3, a forward brake 4, a reversing valve 5, a reverse planetary gear system 6, a box body 8 and a reverse brake 7; an output shaft 9, a pump-motor coupling disc 10, an output shaft sleeve 11; the reversing valve is arranged on the box body 8, and the forward planetary gear train 3, the forward brake 4, the reverse brake 7 and the reverse planetary gear train 6 are arranged in the box body 8; the reversing valve is arranged on the box body 8;
the forward planetary gear system 3 comprises a forward planetary carrier 20, a forward planetary gear 22 arranged on the forward planetary carrier 20, and a forward gear ring 23 and a sun gear 21 which are meshed by the forward planetary gear 22; the reverse planetary gear train 6 includes a reverse planetary carrier 26, reverse planetary gears 25 mounted on the reverse planetary carrier, the reverse planetary gears 25 engaging the reverse ring gear 24; the forward planet carrier 20 of the forward planetary gear train 3 and the reverse gear ring 24 of the reverse planetary gear train 6 are simultaneously connected together;
the forward brake 4 comprises an oil cylinder body 12, a forward brake piston 13 arranged on the oil cylinder body, an internal tooth steel sheet 14 and an external tooth friction sheet 15 which are connected with the forward brake piston 13; the reverse brake 7 comprises a reverse brake piston, and an internal tooth steel sheet 7-1 and an external tooth friction sheet 7-2 which are connected with the reverse brake piston; a friction plate isolation frame 16 is arranged between the forward brake 4 and the reverse brake 7; the spring pin shaft 17 is arranged on the outer side of the friction plate isolation frame 16 between the forward brake piston 13 and the reverse brake piston 19, the spring pin shaft 17 is sleeved with a spring 18, and the internal tooth steel sheet 14 of the forward brake 4 is connected with the forward gear ring 23 of the forward planetary gear train 3 through a spline; the internal tooth steel sheet 7-1 of the reverse brake 7 is in spline connection with the reverse planet carrier 26 of the reverse planetary gear train; the friction plate isolation frame 16 is fixed with the box body 8;
the front flange 1 is connected with the transition shaft 2 through a spline, the transition shaft 2 is connected with the forward planetary carrier of the forward planetary gear train 3 through a spline, the forward planetary carrier 20 of the forward planetary gear train 3 is connected with the reverse gear ring 24 of the reverse planetary gear train 6, so that the front flange 1, the transition shaft 2, the forward planetary carrier 20 of the forward planetary gear train 3 and the reverse gear ring 24 of the reverse planetary gear train 6 always rotate at the same rotation speed, and the forward gear ring 23 of the forward planetary gear train 3 is internally meshed with the internal tooth steel sheet 14 of the forward and reverse brake 4; the reverse planet carrier 26 of the reverse planetary gear train 6 is internally meshed with the internal tooth steel sheet 14 of the forward and reverse brake, and the forward planetary gear train 3 and the reverse planetary gear train 6 share one sun gear 21; the output shaft 9 is internally meshed with a sun gear 21, the pump-motor is arranged on a pump-motor connecting disc 10, and is connected with the output shaft 9 for rotation through an output shaft sleeve 11.
When the reversing valve 5 works in the left position, pressure oil enters the inner cavity of the oil cylinder body 12 of the forward brake 4 through an oil duct in the box body 8, the forward brake piston 13 is pushed to combine the forward brake 4, the forward brake 4 combines to fix the forward gear ring 23 of the forward planetary gear system 3, and at the moment, the forward planet carrier 20 and the sun gear 21 in the forward planetary gear system 3 can be input into or output from any one; when the right position works, pressure oil enters the inner cavity of the oil cylinder body of the reverse brake 7 through the oil passage in the box body 8, the reverse brake piston 19 is pushed to enable the forward brake 7 to be combined, the reverse planet carrier 26 of the reverse planetary gear train 6 is fixed by combining the brake 7, and at the moment, the reverse gear ring 24 and the sun gear 21 in the reverse planetary gear train 6 can be input into or output from any one.
By adopting the technical scheme, the hydraulic pump/motor can work in the form of a pump in the forward braking or reverse braking process of the loader, and the hydraulic pump always rotates in the same rotation direction to convert braking kinetic energy into hydraulic energy, so that energy recovery is realized; in the starting stage of the loader, hydraulic energy is released, the hydraulic pump/motor works in the form of a motor, the motor rotates in the same rotation direction, and forward starting or reverse starting of the loader is realized through a forward and reverse power shifting gearbox for the hydraulic hybrid loader, so that energy is recycled, and the working oil consumption of the loader is reduced. Under the condition that the hydraulic pump/motor rotates in the same rotation direction, the hydraulic pump/motor is combined with an internal brake according to the operation information of a driver, so that the forward and reverse braking energy recovery is realized, the forward and reverse starting energy release is realized, and the feasibility of the hydraulic hybrid power of the loader is ensured.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, but any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present invention are within the scope of the technical solutions of the present invention.
Claims (1)
1. The utility model provides a hydraulic pressure hybrid loader is with positive reverse power gear shifting gearbox which characterized in that: the device comprises a front flange (1), a transition shaft (2), a forward planetary gear train (3), a forward brake (4), a three-position five-way reversing valve (5), a reverse planetary gear train (6), a forward brake (7), a box body (8), an output shaft (9), a pump-motor connecting disc (10) and an output shaft sleeve (11); the reversing valve is arranged on the box body (8), and the forward planetary gear system (3), the forward brake, the reverse brake and the reverse planetary gear system (6) are arranged in the box body (8); the reversing valve is arranged on the box body (8);
the forward planetary gear system (3) comprises a forward planetary carrier (20), a forward planetary gear (22) arranged on the forward planetary carrier (20), and a forward gear ring (23) and a sun gear (21) meshed with the forward planetary gear (22); the reverse planetary gear system (6) comprises a reverse planetary carrier (26), a reverse planetary gear (25) arranged on the reverse planetary carrier, and the reverse planetary gear (25) is meshed with a reverse gear ring (24); the forward planet carrier (20) of the forward planetary gear system (3) and the reverse gear ring (24) of the reverse planetary gear system (6) are simultaneously connected together;
the forward brake (4) comprises an oil cylinder body (12), a forward brake piston (13) arranged on the oil cylinder body, and an internal tooth steel sheet (14) and an external tooth friction sheet (15) connected with the forward brake piston (13); the reverse brake (7) comprises a reverse brake piston, and an internal tooth steel sheet (7-1) and an external tooth friction sheet (7-2) which are connected with the reverse brake piston; a friction plate isolation frame (16) is arranged between the forward brake and the reverse brake (7); the spring pin shaft (17) is arranged on the outer side of the friction plate isolation frame (16) between the forward brake piston (13) and the reverse brake piston (19), a spring (18) is sleeved on the spring pin shaft (17), and an internal tooth steel sheet (14) of the forward brake (4) is connected with a forward gear ring (23) of the forward planetary gear train (3) through a spline; the internal tooth steel sheet (7-1) of the reverse brake (7) is connected with a reverse planet carrier (26) of the reverse planetary gear train through a spline; the friction plate isolation frame (16) is fixed with the box body (8);
the front flange (1) is connected with the transition shaft (2) through a spline, the transition shaft (2) is connected with a forward planetary carrier of the forward planetary gear train (3) through a spline, the forward planetary carrier (20) of the forward planetary gear train (3) is connected with a reverse gear ring (24) of the reverse planetary gear train (6) again, so that the front flange (1), the transition shaft (2), the forward planetary carrier (20) of the forward planetary gear train (3) and the reverse gear ring (24) of the reverse planetary gear train (6) always rotate at the same rotating speed, and the forward gear ring (23) of the forward planetary gear train (3) is internally meshed with an internal gear steel sheet (14) of the forward and reverse brake (4); the reverse planet carrier (26) of the reverse planetary gear system (6) is internally meshed with the internal tooth steel sheet (14) of the forward and reverse brake, and the forward planetary gear system (3) and the reverse planetary gear system (6) share a sun gear (21); the output shaft (9) is internally meshed with the sun gear (21), the pump-motor is arranged on the pump-motor connecting disc (10), and the pump-motor is connected with the output shaft (9) through the output shaft sleeve (11) to rotate together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278463.8A CN107100976B (en) | 2017-04-25 | 2017-04-25 | Forward and reverse power gear shifting gearbox for hydraulic hybrid loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278463.8A CN107100976B (en) | 2017-04-25 | 2017-04-25 | Forward and reverse power gear shifting gearbox for hydraulic hybrid loader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107100976A CN107100976A (en) | 2017-08-29 |
| CN107100976B true CN107100976B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710278463.8A Active CN107100976B (en) | 2017-04-25 | 2017-04-25 | Forward and reverse power gear shifting gearbox for hydraulic hybrid loader |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055024A (en) * | 2007-05-14 | 2007-10-17 | 贵州凯星液力传动机械有限公司 | Commutation mechanism for vehicle gear box |
| CN101188371A (en) * | 2006-11-16 | 2008-05-28 | 毛世琨 | An automatic speed-varying system for unidirectional clutch wheel hub electromotor satellite |
| JP2009001210A (en) * | 2007-06-25 | 2009-01-08 | Mazda Motor Corp | Power transmission device for four-wheel drive vehicle |
| CN201209652Y (en) * | 2008-05-13 | 2009-03-18 | 华南理工大学 | Automatic speed-transmission system for automobile shifting |
| WO2012132839A1 (en) * | 2011-03-28 | 2012-10-04 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission |
| CN206889606U (en) * | 2017-04-25 | 2018-01-16 | 天津工程机械研究院有限公司 | A kind of forward and reverse dynamic power shift gear box of hydraulic hybrid power loader |
-
2017
- 2017-04-25 CN CN201710278463.8A patent/CN107100976B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188371A (en) * | 2006-11-16 | 2008-05-28 | 毛世琨 | An automatic speed-varying system for unidirectional clutch wheel hub electromotor satellite |
| CN101055024A (en) * | 2007-05-14 | 2007-10-17 | 贵州凯星液力传动机械有限公司 | Commutation mechanism for vehicle gear box |
| JP2009001210A (en) * | 2007-06-25 | 2009-01-08 | Mazda Motor Corp | Power transmission device for four-wheel drive vehicle |
| CN201209652Y (en) * | 2008-05-13 | 2009-03-18 | 华南理工大学 | Automatic speed-transmission system for automobile shifting |
| WO2012132839A1 (en) * | 2011-03-28 | 2012-10-04 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission |
| CN206889606U (en) * | 2017-04-25 | 2018-01-16 | 天津工程机械研究院有限公司 | A kind of forward and reverse dynamic power shift gear box of hydraulic hybrid power loader |
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| CN107100976A (en) | 2017-08-29 |
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