Coaxial direct-drive type electronic parking actuator

An electronic parking and actuator technology, applied in the direction of brake actuators, gear transmission mechanisms, mechanical equipment, etc., can solve the problems of large output torque, inaccurate positioning, low efficiency, etc., to improve efficiency and life, solve the problem of application Sexual problems, the effect of reducing work noise

Pending Publication Date: 2021-08-20
GELUBO TECH CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The actuators of the caliper-type electronic parking brakes that have been applied so far are parallel shaft transmission, and the transmission mode adopts belt transmission or transition gear transmission. These two transmission modes have low efficiency and inaccurate positioning, especially the belt transmission cannot carry large The output torque cannot meet the braking system or vehicle ty

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
  • Coaxial direct-drive type electronic parking actuator
  • Coaxial direct-drive type electronic parking actuator
  • Coaxial direct-drive type electronic parking actuator

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example 1

[0030] Combine Figure 1-4 This embodiment provides a coaxial direct drive type electronic parking actuator, including a motor 1 and a gearbox 5, and the motor 1 is fixedly coupled to the gearbox 5 and its axis is coincident; the motor 1 housing outer side A connecting portion 11 is provided which is provided with an insulating layer, and a wire harness connected to the terminal block of the motor 1 can be mounted in the connection portion 11 to prevent the connection of the connection, and the The connecting portion 11 is integrally formed with the motor 1 in a cast aluminum or stamping method, and the structure is compact without secondary assembly, which is integrally formed such that the motor 1 has good waterproof, and the overall equipment is more secure.

[0031] The motor 1 power output is fixed to the motor shaft teeth 12, the motor shaft 12 and the axis of the motor 1, and improve the transmission accuracy when the motor output power is improved.

[003...

Example Embodiment

[0037] Example 2

[0038] Example 2 Different from the first embodiment, the inner spline 8 and the outer splines 9 are hexathotabic bonds, and the inner spline 8 and the output disc 54 are integrally formed without secondary. Processing, increasing the connection strength of the inner spline 8 and the output disc 54, and ensuring concentricity of the inner spline 8 and the output disk 54.

[0039] The motor 1 uses a flat motor to select a flat motor such that when the output power is the same, the axial length of the motor 1 is smaller, so that the volume of the parking is smaller, and the application range is wider.

[0040] The primary gear 51 and the secondary gear 53 use a metal powder metallurgy or a metal sheet extrusion molding, thereby reducing the height of the gearbox 5 to reduce the overall volume of the device, increasing the range of use.

[0041] In this embodiment, the number of teeth of the internal tooth ring engaged with the primary gear 51 and the secondary gear...

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

No PUM Login to view more

Abstract

The invention discloses a coaxial direct-drive type electronic parking actuator, and relates to the field of vehicle parking braking. The coaxial direct-drive type electronic parking actuator comprises a motor and a gear box which are connected and coincide in axis, wherein the power output end of the motor is connected with a motor shaft gear; the gear box comprises a first-stage gear, a planet carrier, a second-stage gear, an output disc and a gear ring; the top end of the gear ring is connected with the motor; the first-stage gear is meshed with motor shaft gear; the planet carrier is provided with a first planet shaft; the first-stage gear is rotationally connected with the first planet shaft; the planet carrier is provided with a transmission gear; the second-stage gear is meshed with the transmission gear; the output disc is provided with a second planet shaft; the second-stage gear is rotationally connected with the second planet shaft; and an inner gear ring matched with the first-stage gear and the second-stage gear is arranged on the inner surface of the gear ring. According to the coaxial direct-drive type electronic parking actuator provided by the invention, the assembly precision is high, the motor directly drives the gear box to conduct speed reduction and torque output, and the transmission efficiency is high; and the actuator is not limited by the external size of the cylinder diameter of a brake caliper, and is suitable for brake calipers of various sizes.

Description

technical field [0001] The invention relates to the field of vehicle parking brakes, in particular to a coaxial direct drive electronic parking actuator. Background technique [0002] Electronic parking EPB refers to the technology of realizing parking brake by electronic control. Electronic handbrake is a technology that realizes parking brake by electronic control. [0003] The traditional electronic parking brake system has two kinds of motor actuators. One is to remove the handbrake handle on the basis of the traditional handbrake cable parking, and use the motor screw nut transmission mechanism instead of the handle to apply the cable force to the brake. , and the other is a caliper-type electronic parking brake. [0004] The caliper-type electronic parking brake is directly assembled to the brake caliper, and then the brake and caliper are installed together on the wheel side of the axle. The caliper type electronic parking brake directly transmits the braking force...

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
no application Login to view more
IPC IPC(8): F16D65/14F16D121/14F16D121/24F16D123/00F16D125/50
CPCF16D65/14F16D2121/14F16D2121/24F16D2123/00F16D2125/50
Inventor 李勋刘兆勇
Owner GELUBO TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap