Unlock instant, AI-driven research and patent intelligence for your innovation.
Two-gear speed reducer device and vehicle
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of reducer and differential, which is applied in the direction of transmission, transmission parts, gear transmission, etc., and can solve the problems of high price, large volume and weight, and low transmission efficiency
Inactive Publication Date: 2020-10-30
YIWU GEELY AUTOMATIC TRANSMISSION CO LTD +1
View PDF6 Cites 1 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0003] Most of the existing two-speed reducer schemes are planetary gears combined with a wet clutch structure. The wet clutch has many types of parts, is expensive, and needs to cooperate with complex hydraulic actuators; this kind of reducer is not only complex in structure, but also large in size and weight. And the transmission efficiency is low
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0033] like figure 1 Shown: a two-speed reducer device, including a driving device 1, a double planetary row, a clutch, a transmission gear 13, an output transmission mechanism 8 and a differential 9;
[0034] The double planetary row includes a first sun gear 10, a ring gear 6 and a planet carrier 11, and the ring gear 6 is fixedly connected to the reducer housing 5;
[0035] The clutch includes an actuator, the actuator is connected to the transmission gear 13, and the actuator can move in the axial direction connected to the transmission gear 13 driven by the driving device;
[0036] When the actuator moves in the axial direction connected with the transmission gear 13, the actuator can be connected with the planet carrier 11 or the first sun gear 10;
[0037] The transmission gear 13 is connected to the differential 9 through the output transmission mechanism 8; the present application can realize high-torque gear shifting through the movable actuator provided, which not ...
Embodiment 2
[0057] Such as figure 2 Shown: a two-speed reducer device, including a driving device 1, a double planetary row, a clutch, a transmission gear 13, an output transmission mechanism 8 and a differential 9;
[0058] The double planetary row includes a first sun gear 10, a ring gear 6 and a planet carrier 11, and the ring gear 6 is fixedly connected to the reducer housing 5;
[0059] The clutch includes an actuator, the actuator is connected to the transmission gear 13, and the actuator can move in the axial direction connected to the transmission gear 13 driven by the driving device;
[0060] When the actuator moves in the axial direction connected with the transmission gear 13, the actuator can be connected with the planet carrier 11 or the first sun gear 10;
[0061] The transmission gear 13 is connected to the differential 9 through the output transmission mechanism 8; the present application can realize high-torque gear shifting through the movable actuator provided, which ...
Embodiment 3
[0083] Such as image 3 Shown: a two-speed reducer device, including a driving device 1, a double planetary row, a clutch, a transmission gear 13, an output transmission mechanism 8 and a differential 9;
[0084] The double planetary row includes a first sun gear 10, a ring gear 6 and a planet carrier 11, and the ring gear 6 is fixedly connected to the reducer housing 5;
[0085] The clutch includes an actuator, the actuator is connected to the transmission gear 13, and the actuator can move in the axial direction connected to the transmission gear 13 driven by the driving device;
[0086] When the actuator moves in the axial direction connected with the transmission gear 13, the actuator can be connected with the planet carrier 11 or the first sun gear 10;
[0087] The transmission gear 13 is connected to the differential 9 through the output transmission mechanism 8; the present application can realize high-torque gear shifting through the movable actuator provided, which n...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Login to View More
Abstract
The invention discloses a two-gear speed reducer device. The two-gear speed reducer device comprises a drive device, a double-planet row, a clutch, a transmission gear, an output transmission mechanism and a differential mechanism, wherein the double-planet row comprises a first sun gear, a gear ring and a planet carrier, and the gear ring is fixedly connected with a speed reducer shell body; theclutch comprises an execution mechanism, the execution mechanism is connected with the transmission gear, and the execution mechanism is capable of moving in an axial direction in which the executionmechanism is connected with the transmission gear, under the driving of the drive device; when the execution mechanism moves in the axial direction in which the execution mechanism is connected with the transmission gear, the execution mechanism is capable of being connected with the planet carrier or the first sun gear; and the transmission gear is connected with the differential mechanism through the output transmission mechanism. The invention further discloses a vehicle. According to the two-gear speed reducer device and the vehicle, large-torque gearshift can be realized through the arranged movable execution mechanism, so that higher power performance and fuel economical efficiency of the whole vehicle are achieved; and moreover, the structure of the speed reducer is simplified, thesize of the speed reducer is reduced, and a light weight is achieved, so that the manufacturing and assembling costs are lowered.
Description
technical field [0001] The invention relates to the technical field of transmissions, in particular to a two-speed reducer device and a vehicle. Background technique [0002] At present, pure electric vehicles mostly use single-speed reducers. Although the structure is simple and the cost is low, it cannot take into account the power and economy of pure electric vehicles. The performance of the whole vehicle is: poor climbing, starting ability and high-speed performance. Compared with matching a single-speed reducer, a pure electric vehicle matching a two-speed reducer can greatly improve the vehicle's dynamic performance (low-speed acceleration performance, climbing performance, maximum vehicle speed, etc.) with a small increase in cost and weight. The two-speed reducer has the potential to improve the overall efficiency of the electric powertrain. [0003] Most of the existing two-speed reducer schemes are planetary gears combined with a wet clutch structure. The wet clu...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More 
Login to View More