CN214822576U - Single-brake double-gear low-cost hybrid power system - Google Patents
Single-brake double-gear low-cost hybrid power system Download PDFInfo
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- CN214822576U CN214822576U CN202120511390.4U CN202120511390U CN214822576U CN 214822576 U CN214822576 U CN 214822576U CN 202120511390 U CN202120511390 U CN 202120511390U CN 214822576 U CN214822576 U CN 214822576U
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Abstract
The utility model provides a two low-cost hybrid power system of gear of single brake, includes power input end and power take off end, power input end is provided with first power supply, and this hybrid power system still includes first clutch, first epicyclic train, second epicyclic train and stopper. The hybrid power system designed by the utility model adopts a motor and two planetary rows, wherein the sun gear of one planetary row is directly fixed, the structure is simple, and the maintenance cost is low; only one brake is adopted in the whole framework to match with other gear structures, so that two different gears, namely a low-speed gear and a high-speed gear, of the heavy dump truck are realized, and the production cost is low; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
Description
Technical Field
The utility model belongs to hybrid power system development field, concretely relates to two low-cost hybrid power system of gear of single brake.
Background
At present, automobile emission and energy consumption become global problems, and with more and more strict environmental protection measures in various countries in the world, more and more proposals for replacing fuel engine automobiles, such as hydrogen energy automobiles, fuel cell automobiles, hybrid automobiles and the like, are provided; at present, the hybrid electric vehicle has the most practical value and a commercial operation mode, and only has the hybrid electric vehicle. Hybrid vehicles with low emissions and low energy consumption have become one of the mainstream of the current automobile industry development, and the key of the hybrid vehicle is a hybrid system, and the performance of the hybrid vehicle is directly related to the performance of the whole hybrid vehicle. The hybrid power means that the automobile adopts two driving modes of fuel oil driving and electric driving; the advantages that when the vehicle is started and stopped or at low speed, the vehicle can be driven only by the motor, and the engine does not work when the vehicle does not reach a certain speed; therefore, the engine can be prevented from being in an inefficient working condition state, and the electric energy is sourced from the engine and only needs to be added with oil.
At present, common heavy dump trucks (such as mining dump trucks and the like) are mainly used for completing specific tasks, have the working characteristics of short travel and heavy load bearing, and are loaded by large electric shovels or hydraulic shovels to and from a mining point and a discharging point.
The existing heavy dump truck needs to have two gears of a low-speed gear and a high-speed gear according to working condition requirements, the production cost and the maintenance cost of a gearbox of the existing heavy dump truck need to be controlled in a lower range, the original gearbox has more or less defects and cannot completely meet the conditions, and in order to meet the requirements of customers and the working conditions of the heavy dump truck, a low-cost hybrid power system with good working condition coverage degree is designed to solve the problem.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.
Disclosure of Invention
For overcoming the deficiencies in the prior art, the utility model aims to provide a two low-cost hybrid power system of gear of single brake.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: a single-brake double-gear low-cost hybrid power system comprises a power input end and a power output end, wherein the power input end is provided with a first power source, and the hybrid power system further comprises a first clutch, a first epicyclic gear train, a second epicyclic gear train and a brake;
the first rotating wheel system comprises a first planet wheel, a first sun wheel, a first gear ring and a first planet carrier, the first planet wheel is respectively connected with the first sun wheel and the first gear ring, and the first planet wheel is connected with the first planet carrier;
the second epicyclic gear train comprises a second planet wheel, a second sun wheel, a second gear ring and a second planet carrier, the second planet wheel is respectively connected with the second sun wheel and the second gear ring, and the second planet wheel is connected with the second planet carrier;
the first sun gear is fixedly arranged, and the first planet carrier is connected with the power input end; the second sun gear is connected with the first planet carrier, the second planet carrier is connected with the power output end, the second gear ring can be connected with the first gear ring through the first clutch, and the second gear ring is connected with the brake.
The preferable technical scheme is as follows: the power input end is also provided with a second power source.
The preferable technical scheme is as follows: the second power source is in transmission connection with the first planet carrier through a second clutch.
The preferable technical scheme is as follows: the second clutch is a dry clutch.
The preferable technical scheme is as follows: the first power source is a motor, and the second power source is an engine.
The preferable technical scheme is as follows: the power output end is connected with the wheels.
The preferable technical scheme is as follows: the method comprises the following steps:
in a first working state, the first clutch is disconnected, the second clutch is disconnected, and the brake is combined;
in a second working state, the first clutch is combined, the second clutch is combined, and the brake is disconnected;
and in a third working state, the first clutch is disconnected, the second clutch is combined, and the brake is disconnected.
Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:
the hybrid power system designed by the utility model adopts a motor and two planetary rows, wherein the sun gear of one planetary row is directly fixed, the structure is simple, and the maintenance cost is low; only one brake is adopted in the whole framework to match with other gear structures, so that two different gears, namely a low-speed gear and a high-speed gear, of the heavy dump truck are realized, and the production cost is low; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of the present invention.
In the above drawings, the second power source 1, the second clutch 2, the first power source 3, the first planet gear 4, the first clutch 5, the brake 6, the second planet carrier 7, the second sun gear 8, the second planet gear 9, the second ring gear 10, the first planet carrier 11, the first ring gear 12, and the first sun gear 13.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 and 2. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: as shown in fig. 1, a single-brake, two-gear and low-cost hybrid system comprises a power input end and a power output end, wherein the power input end is provided with a first power source 3, and the hybrid system further comprises a first clutch 5, a first epicyclic gear train, a second epicyclic gear train and a brake 6; the first epicyclic gear train comprises a first planet wheel 4, a first sun wheel 13, a first gear ring 12 and a first planet carrier 11, the first planet wheel 4 is respectively connected with the first sun wheel 13 and the first gear ring 12, and the first planet wheel 4 is connected with the first planet carrier 11; the second epicyclic train comprises a second planet wheel 9, a second sun wheel 8, a second ring gear 10 and a second planet carrier 7, the second planet wheel 9 is respectively connected with the second sun wheel 8 and the second ring gear 10, and the second planet wheel 9 is connected with the second planet carrier 7; the first sun gear 13 is fixedly arranged, and the first planet carrier 11 is connected with the power input end; the second sun gear 8 is connected with the first planet carrier 11, the second planet carrier 7 is connected with the power output end, the second gear ring 10 can be connected with the first gear ring 12 through the first clutch 5, and the second gear ring 10 is connected with the brake 6.
Example 2: as shown in fig. 2, a single brake 6 dual-gear low-cost hybrid system comprises a power input end and a power output end, wherein the power input end is provided with a first power source 3, and the hybrid system further comprises a first clutch 5, a first epicyclic gear train, a second epicyclic gear train and a brake 6; the first epicyclic gear train comprises a first planet wheel 4, a first sun wheel 13, a first gear ring 12 and a first planet carrier 11, the first planet wheel 4 is respectively connected with the first sun wheel 13 and the first gear ring 12, and the first planet wheel 4 is connected with the first planet carrier 11; the second epicyclic train comprises a second planet wheel 9, a second sun wheel 8, a second ring gear 10 and a second planet carrier 7, the second planet wheel 9 is respectively connected with the second sun wheel 8 and the second ring gear 10, and the second planet wheel 9 is connected with the second planet carrier 7; the first sun gear 13 is fixedly arranged, and the first planet carrier 11 is connected with the power input end; the second sun gear 8 is connected with the first planet carrier 11, the second planet carrier 7 is connected with the power output end, the second gear ring 10 can be connected with the first gear ring 12 through the first clutch 5, and the second gear ring 10 is connected with the brake 6. The power input end is also provided with a second power source 1. The second power source 1 is in transmission connection with the first planet carrier 11 via the second clutch 2. The first power source 3 is a motor, and the second power source 1 is an engine. The power output end is connected with the wheels.
The working state comprises the following steps:
in the first working state, the first clutch 5 is disconnected, the second clutch 2 is disconnected, and the brake 6 is combined;
in a second working state, the first clutch 5 is combined, the second clutch 2 is combined, and the brake 6 is disconnected;
in the third operating state, the first clutch 5 is disengaged, the second clutch 2 is engaged, and the brake 6 is disengaged.
The driving method of the hybrid power system comprises the following steps:
realizing a starting and low-speed running mode through a first working state; and the brake 6 is locked, so that the second gear ring 10 is fixed, the first clutch 5 and the second clutch 2 are disconnected, the torque of the first power source 3 is input through a second sun gear 8 of the second epicyclic gear train and is output through a second planet carrier 7 of the second epicyclic gear train, and the pure electric starting and low-speed mode is realized.
Realizing a high-speed operation mode through a second working state; the brake 6 is disconnected, the first clutch 5 and the second clutch 2 are combined, one path of power is input from the second sun gear 8, one path of power is input from the first planet carrier 11 and input to the second gear ring 10 after being accelerated from the first gear ring 12, and the two paths of power are input from the second planet carrier 7 after being synthesized, so that high-speed output is realized.
The application comprises the following steps:
starting and low-speed working conditions: the brake 6 locks, fixes the second ring gear 10 of second epicyclic train, disconnects the first clutch 5, disconnects the second clutch 2 of the second power source 1, inputs the torque of the first power source 3 through the second sun gear 8 of the second epicyclic train, and outputs the torque to the second planet carrier 7 of the second epicyclic train, thereby realizing the large transmission ratio speed reduction output, and the pure electric mode is adopted at the moment.
High-speed working conditions: when the speed is increased continuously, the brake 6 is disconnected, the first clutch 5 is combined, one path of power is input from the second sun gear 8 of the second epicyclic gear train, the other path of power is input from the first planet carrier 11 of the first epicyclic gear train, the power is input from the first gear ring 12 to the second gear ring 10 of the second epicyclic gear train after being increased in speed, overspeed output is realized from the second planet carrier 7 after being combined, when the rotating speed of the first power source 3 is increased to be above a certain rotating speed, the second power source 1 is started and participates in work, at the moment, the power is mainly provided by the second power source 1, the first power source 3 can be switched into a power generation mode to supplement battery energy, the mode can also be determined according to the capacity and load of the battery, at the moment, three modes are provided: the second power source 1+ the first power source 3 drives, the second power source 1+ the first power source 3 follows up, and the second power source 1+ the first power source 3 generates electricity.
And (3) slowly driving on a downhill: the second power source 1 is closed or idled, the second clutch 2 of the second power source 1 is disconnected, the first power source 3 generates electricity to recover energy, and the gear of the epicyclic gear train is determined according to the vehicle speed.
Deceleration and braking: the second power source 1 is closed or idled, the second clutch 2 of the second power source 1 is disconnected, the first power source 3 generates electricity to recover energy, and the gear of the epicyclic gear train is determined according to the vehicle speed.
Parking power generation: the second power source 1 idles or normally works, the second clutch 2 of the second power source 1 is combined, the first clutch 5 and the brake 6 are disconnected, and the first power source 3 is in a power generation state.
The hybrid power system designed by the utility model adopts a motor and two planetary rows, wherein the sun gear of one planetary row is directly fixed, the structure is simple, and the maintenance cost is low; only one brake is adopted in the whole framework to match with other gear structures, so that two different gears, namely a low-speed gear and a high-speed gear, of the heavy dump truck are realized, and the production cost is low; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a two low-cost hybrid power system of gear of single brake, includes power input end and power take off end, power input end is provided with first power supply, its characterized in that: the hybrid power system further includes a first clutch, a first epicyclic gear train, a second epicyclic gear train, and a brake;
the first rotating wheel system comprises a first planet wheel, a first sun wheel, a first gear ring and a first planet carrier, the first planet wheel is respectively connected with the first sun wheel and the first gear ring, and the first planet wheel is connected with the first planet carrier;
the second epicyclic gear train comprises a second planet wheel, a second sun wheel, a second gear ring and a second planet carrier, the second planet wheel is respectively connected with the second sun wheel and the second gear ring, and the second planet wheel is connected with the second planet carrier;
the first sun gear is fixedly arranged, and the first planet carrier is connected with the power input end; the second sun gear is connected with the first planet carrier, the second planet carrier is connected with the power output end, the second gear ring can be connected with the first gear ring through the first clutch, and the second gear ring is connected with the brake.
2. The single-brake, dual-range, low-cost hybrid powertrain system of claim 1, wherein: the power input end is also provided with a second power source.
3. A single-brake, dual-range, low-cost hybrid powertrain system as claimed in claim 2, wherein: the second power source is in transmission connection with the first planet carrier through a second clutch.
4. A single-brake, dual-range, low-cost hybrid powertrain system as claimed in claim 3, wherein: the second clutch is a dry clutch.
5. The single-brake, dual-range, low-cost hybrid powertrain system of claim 4, wherein: the first power source is a motor, and the second power source is an engine.
6. The single-brake, dual-range, low-cost hybrid powertrain system of claim 5, wherein: the power output end is connected with the wheels.
7. The single-brake, dual-range, low-cost hybrid powertrain system of claim 6, comprising:
in a first working state, the first clutch is disconnected, the second clutch is disconnected, and the brake is combined;
in a second working state, the first clutch is combined, the second clutch is combined, and the brake is disconnected;
and in a third working state, the first clutch is disconnected, the second clutch is combined, and the brake is disconnected.
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| CN202120511390.4U CN214822576U (en) | 2021-03-10 | 2021-03-10 | Single-brake double-gear low-cost hybrid power system |
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| CN202120511390.4U CN214822576U (en) | 2021-03-10 | 2021-03-10 | Single-brake double-gear low-cost hybrid power system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848873A (en) * | 2021-03-10 | 2021-05-28 | 苏州亚太金属有限公司 | Single-brake double-gear low-cost hybrid power system and driving method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848873A (en) * | 2021-03-10 | 2021-05-28 | 苏州亚太金属有限公司 | Single-brake double-gear low-cost hybrid power system and driving method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Asia Pacific Jingrui Transmission Technology Co.,Ltd. Address before: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU ASIA PACIFIC METAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |