CN216467301U - Planetary gear pair walking power unit for power assembly of electric loader - Google Patents
Planetary gear pair walking power unit for power assembly of electric loader Download PDFInfo
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- CN216467301U CN216467301U CN202120793367.9U CN202120793367U CN216467301U CN 216467301 U CN216467301 U CN 216467301U CN 202120793367 U CN202120793367 U CN 202120793367U CN 216467301 U CN216467301 U CN 216467301U
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Abstract
The utility model discloses a planetary gear pair walking power unit for a power assembly of an electric loader; the walking power unit is arranged in a gearbox of a power assembly and comprises a walking driving motor arranged on a walking driving motor mounting interface; the walking power input mechanism is connected with the walking driving motor and is arranged on the upper layer of the gearbox; the speed-changing and gear-shifting mechanism is connected with the walking power input mechanism and is arranged on the lower layer of the gearbox; a gear shifting control valve mounting interface is arranged on the opposite side of the walking driving motor corresponding to the position of the speed changing and gear shifting mechanism; a gear shift operating valve is arranged on the gear shift operating valve mounting interface; the walking power input mechanism is connected with the speed-changing gear-shifting mechanism by adopting a walking planetary gear pair. The utility model achieves the advantage of improving the efficiency of the transmission system; and the transmission is balanced, and the shock vibration resistance is strong.
Description
Technical Field
The utility model belongs to a power assembly of an electric loader, and particularly relates to a planetary gear pair walking power unit for the power assembly of the electric loader.
Background
In recent years, various electric vehicle technologies are gradually mature, reliable and especially economic electric vehicle products are consumed year by year, and the market acceptance is very considerable. With the regulation and control upgrading of environmental protection policies, the national requirements on ecological environment protection are higher and higher, and engineering machinery enterprises also need to actively take the actions of energy conservation and emission reduction to finish the industrial upgrading as soon as possible. In particular, in certain specific working environments such as municipal administration, ports and underground operation, zero emission thresholds are provided for engineering machinery to enter fields by related departments.
Electric vehicles have driven core components and technologies such as motors, batteries, electronic control, rapid charging and discharging, and the like to become mature day by day, and the development and application of electric engineering machinery have been a necessary trend.
The loader is used as a general engineering machine and has wide application fields, such as farmland renovation, engineering construction, factories and mines, ports and the like. At present, the main stream loader in China still adopts the traditional internal combustion engine as power, the transmission modes are hydraulic mechanical transmission and hydraulic transmission, and the loader has the defects of poor fuel economy and high pollution emission. The loader using electric energy as energy and the motor as power has the advantages of strong load adaptability, convenient operation, energy conservation and environmental protection. The gearbox is a mechanism for changing the speed and torque from the engine, can change the transmission ratio of an output shaft and an input shaft in a fixed or stepping mode, and is one of the core transmission components of the electric loader. At present, an electric loader is in a starting stage at home, an original gearbox assembly is generally used, a suitable gearbox is not used for the electric loader, the electric loader adopts motor input, the rotating speed of a motor can reach a high value, the number of gears of the gearbox is required to be small, the existing gearbox assembly has more gears and high manufacturing and maintenance cost, and therefore a planetary gear pair walking power unit for the power assembly of the electric loader needs to be provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the planetary gear pair walking power unit for the power assembly of the electric loader, which has the advantages of simple structure, low manufacturing and maintenance cost, high efficiency and reliability in use.
The utility model is realized in such a way that the utility model provides a planetary gear pair walking power unit for a power assembly of an electric loader; the walking power unit is arranged in a gearbox of the power assembly, and is characterized in that: the walking power unit comprises a walking driving motor arranged on a walking driving motor mounting interface; the walking power input mechanism is connected with the walking driving motor and is arranged on the upper layer of the gearbox; the speed-changing and gear-shifting mechanism is connected with the walking power input mechanism and is arranged on the lower layer of the gearbox; a gear shifting control valve mounting interface is arranged on the opposite side of the walking driving motor corresponding to the position of the speed changing and gear shifting mechanism; a gear shift operating valve is arranged on the gear shift operating valve mounting interface; the walking power input mechanism is connected with the speed-changing gear-shifting mechanism by adopting a walking planetary gear pair.
Preferably, the traveling planetary gear pair comprises a sun gear coaxially arranged on the power input shaft, the gear ring is respectively connected with a high-grade clutch and a low-grade clutch, the planet carrier is connected with the first-grade output driving gear, and the first-grade output driving gear is connected with the power output mechanism through a first-grade output driven gear, an output driving gear and an output driven gear.
Preferably, the speed-changing and gear-shifting mechanism adopts a speed-changing planetary gear pair; the speed change planetary gear pair comprises a sun gear coaxially arranged on the power input shaft, a gear ring is respectively connected with a high-grade clutch and a low-grade clutch, a planet carrier is connected with an output driving gear, and the output driving gear is connected with a front axle driving interface and a rear axle driving interface through an output driven gear.
The utility model has the advantages and technical effects that: the walking power input mechanism adopts a walking planetary gear pair, and the walking planetary gear pair is composed of a planetary gear ring, a sun gear, a planet carrier, a brake and the like, so that the walking power input mechanism has the advantages of compact structure, small volume, light weight and large transmission ratio; the advantage of improved efficiency of the transmission system can be achieved. And the transmission is balanced, and the shock vibration resistance is strong. In addition, the speed-changing and gear-shifting mechanism adopts a speed-changing planetary gear pair, and in conclusion, the problems that the existing gearbox assembly for the electric loader has more gears and high cost are solved, and the enterprise benefit and the market competitiveness of products are greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the powertrain of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure, 10, a power assembly; 110. a gearbox; 20. a travel driving motor; 221. a traveling power input mechanism; 221-1, a power input shaft; 221-2, a planet carrier; 221-3, a gear ring; 221-4, sun gear; 222. a speed change and gear shift mechanism; 222-4, high-gear clutch; 222-5, a low-gear clutch; 222-6, an output driving gear; 222-7, a primary output driving gear; 222-8, a primary output driven gear; 230. a front axle drive interface; 240. a rear axle drive interface; 30. and a power output mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Embodiment 1, please refer to fig. 1 and 2, a planetary gear pair walking power unit for a power assembly of an electric loader; the walking power unit is arranged in a gearbox 110 of the power assembly 10, and comprises a walking driving motor 20 arranged on a walking driving motor mounting interface; a walking power input mechanism 221 connected with the walking drive motor, wherein the walking power input mechanism is arranged on the upper layer of the gearbox; a speed change and gear shift mechanism 222 connected to the walking power input mechanism, the speed change and gear shift mechanism being disposed at a lower layer of the transmission case; a gear shifting control valve mounting interface (not shown in the figure) is arranged on the opposite side of the walking drive motor corresponding to the position of the speed changing and gear shifting mechanism; a gear shifting control valve (not shown) is arranged on the gear shifting control valve mounting interface; the walking power input mechanism is connected with the speed-changing gear-shifting mechanism by adopting a walking planetary gear pair.
In this embodiment, preferably, the traveling power input mechanism 221 is connected to the speed change and shift mechanism 222 by a traveling planetary gear set; the components and the transmission principle of the traveling planetary gear pair belong to known components, and the traveling power input mechanism 221 is transmitted to the next-stage speed change and gear shift mechanism 222 by the traveling planetary gear pair; the preferred installation layout of the walking planetary gear pair of the utility model is as follows: the planetary gear transmission mechanism comprises a sun gear 221-4 coaxially arranged on a power input shaft, a gear ring 221-3 is respectively connected with a high-gear clutch 222-4 and a low-gear clutch 222-5, a planetary carrier 221-2 is connected with a primary output driving gear 222-7, the primary output driving gear 222-7 is meshed with a primary output driven gear 222-8, the primary output driven gear 222-8 is connected with an output driving gear 222-6, and the output driving gear 222-6 is connected with a front axle driving interface 230 and a rear axle driving interface 240 of the power output mechanism 30 through an output driven gear 222-9.
In summary, the traveling power input mechanism 221 can adopt a traveling planetary gear pair, and has the advantages of compact structure, small volume, light weight and large transmission ratio; the advantage of improved efficiency of the transmission system can be achieved. And the transmission is balanced, and the shock vibration resistance is strong.
Embodiment 2, please refer to fig. 1 and fig. 3, the speed change and gear shift mechanism adopts a coaxial gear pair, and can also adopt a speed change planetary gear pair; the present embodiment prefers a planetary gear set; the speed-changing and gear-shifting mechanism 222 has the advantages of compact structure, small volume, light weight and large transmission ratio; the variable speed planetary gear pair has the advantages of being capable of improving the efficiency of a transmission system, balanced in transmission and strong in shock and vibration resistance; the components of the planetary gear pair forming the speed change and gear shift mechanism 222 and the transmission principle belong to known components, and the embodiment utilizes the traveling planetary gear pair to realize the transmission of power to the next-stage power output mechanism; the preferred mounting arrangement for the gearshift mechanism 222 of the present invention is as follows: the speed change planetary gear pair comprises a sun gear 221-4 coaxially arranged on a power input shaft, a gear ring 221-3 is respectively connected with a high-gear clutch 222-4 and a low-gear clutch 222-5, a planet carrier 221-2 is connected with an output driving gear 222-6, and the output driving gear 222-6 is connected with a front axle driving interface 230 and a rear axle driving interface 240 through an output driven gear 223.
The utility model has the advantages and technical effects that: the speed-changing and gear-shifting mechanism adopts the speed-changing planetary gear pair, solves the problems of more gears and high cost of the existing gearbox assembly for the electric loader, and greatly improves the enterprise benefit and the market competitiveness of products.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a planetary gear pair walking power pack for electronic loader power assembly, walking power pack installs in power assembly's gearbox, its characterized in that: the walking power unit comprises a walking driving motor arranged on a walking driving motor mounting interface; the walking power input mechanism is connected with the walking driving motor and is arranged on the upper layer of the gearbox; the speed-changing and gear-shifting mechanism is connected with the walking power input mechanism and is arranged on the lower layer of the gearbox; a gear shifting control valve mounting interface is arranged on the opposite side of the walking driving motor corresponding to the position of the speed changing and gear shifting mechanism; a gear shift operating valve is arranged on the gear shift operating valve mounting interface; the walking power input mechanism is connected with the speed-changing gear-shifting mechanism by adopting a walking planetary gear pair.
2. The planetary gear pair walking power unit for an electric loader power assembly as set forth in claim 1, characterized in that: the traveling planetary gear pair comprises a sun gear coaxially arranged on the power input shaft, a gear ring is respectively connected with a high-grade clutch and a low-grade clutch, a planet carrier is connected with a first-level output driving gear, and the first-level output driving gear is connected with the power output mechanism through a first-level output driven gear, an output driving gear and an output driven gear.
3. The planetary gear pair walking power unit for an electric loader power assembly as set forth in claim 1, characterized in that: the speed-changing and gear-shifting mechanism adopts a speed-changing planetary gear pair; the speed change planetary gear pair comprises a sun gear coaxially arranged on the power input shaft, a gear ring is respectively connected with a high-grade clutch and a low-grade clutch, a planet carrier is connected with an output driving gear, and the output driving gear is connected with a front axle driving interface and a rear axle driving interface through an output driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793367.9U CN216467301U (en) | 2021-04-16 | 2021-04-16 | Planetary gear pair walking power unit for power assembly of electric loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793367.9U CN216467301U (en) | 2021-04-16 | 2021-04-16 | Planetary gear pair walking power unit for power assembly of electric loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216467301U true CN216467301U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120793367.9U Active CN216467301U (en) | 2021-04-16 | 2021-04-16 | Planetary gear pair walking power unit for power assembly of electric loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216467301U (en) |
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2021
- 2021-04-16 CN CN202120793367.9U patent/CN216467301U/en active Active
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