Hub reduction type double-speed driving axle

A wheel-side deceleration and drive-axle technology, applied in the differential transmission, transmission, belt/chain/gear, etc., can solve the problems of insufficient full-load torque, insufficient no-load speed, etc., to improve driving torque, improve efficiency, The effect of reducing fuel consumption

Pending Publication Date: 2019-02-15
FAW JIEFANG AUTOMOTIVE CO
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This structure often has the following disadvantages: when the full load torque meets the requirements, the no-l

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
  • Hub reduction type double-speed driving axle
  • Hub reduction type double-speed driving axle
  • Hub reduction type double-speed driving axle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] There are left and right half shafts in the drive axle assembly, and the two half shafts are installed in the axle housing assembly 48, and the whole drive axle assembly has the same structure at the ends of the two half shafts; The present invention will be described in detail by taking an example.

[0030] like figure 1 As shown, the bearing diameter of the differential assembly 47 is installed in the semicircular hole of the reducer housing 29, and the semicircular hole of the differential bearing cover 32 is installed on the bearing diameter of the differential assembly 47, through four bolts 35 Connect and fix the differential bearing cover 32 and the reducer housing 29; the end of the differential bearing cover 32 is equipped with an adjusting ring 31, and the adjusting ring 31 is radially locked by the locking piece 33, and the locking piece 33 is fixed by the bolt 34; The main gear 100 meshes with the driven bevel gear 5; the plane of the reducer housing 29 is ...

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 relates to a hub reduction type double-speed driving axle. The driving axle is characterized in that a cylinder, a pneumatic turning box, a pressure spring assembly and an end cover areadditionally arranged based on an existing structure, wherein the cylinder is fixed in a central hole of a cross axis, and a piston rod of the cylinder is connected to a semiaxis; the pneumatic turning box sleeves a right housing of a differential mechanism, and a gas sealing channel is formed in a clearance between an outer ring and an inner ring; the cylinder communicates with the gas sealing channel through a rotating gas pipe; the gas sealing channel communicates with an outer air pump through a fixed gas pipe; the end cover is fixed to the end part of a planetary carrier assembly; the pressure spring assembly is positioned between the end surface of the semiaxis and the end cover; one end, opposite to the end cover, of the semiaxis is of a double-surface end surface tooth structure; when in idle load, the cylinder is aerated, and the semiaxis axially moves until the end surface teeth in one side are engaged with end surface teeth in the inner side of the end cover; and when in full load, the end surface teeth in the other side of the semiaxis are engaged with end surface teeth of a sun wheel through the pressure of the pressure spring assembly. According to the hub reduction type double-speed driving axle, the speed and the torque are reasonably configured to decrease the oil consumption, and the efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of automobile driving axles, and in particular relates to a wheel-side reduction two-speed driving axle. Background technique [0002] Domestic commercial vehicle drive axles mostly have a single speed ratio structure, which is transmitted to the wheel hub through the active main gear→driven bevel gear→differential case→cross shaft→planetary gear→side shaft gear→side shaft→sun gear→planetary carrier assembly torque. This structure often has the following disadvantages: when the full-load torque meets the requirements, the no-load speed is insufficient; or when the no-load speed meets the requirements, the full-load torque is insufficient. In order to meet the torque requirements at full load and the speed requirements at no-load at the same time, thereby achieving the purpose of improving efficiency and reducing energy consumption, it is urgent to develop a drive axle with two speed ratios, that is, use a l...

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): F16H48/08B60K17/16B60K17/06
CPCF16H48/08B60K17/06B60K17/16
Inventor 冯涛胡育伟吴乃云苗士军胡晓姚临喆刘春伟
Owner FAW JIEFANG AUTOMOTIVE CO
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