CN202413419U

CN202413419U - Transfer case and intermediate axle main reducing gear integrated structure

Info

Publication number: CN202413419U
Application number: CN2012200144589U
Authority: CN
Inventors: 寇西征; 汪振晓; 刘小燕; 谢锡春; 付邦璀; 林光成; 王清海
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2012-01-13
Filing date: 2012-01-13
Publication date: 2012-09-05
Anticipated expiration: 2022-01-13

Abstract

The utility model discloses an integrated structure of the main reducer in the middle bridge of the transfer case, the power input shaft of which is connected with the cylindrical gear of the transfer case, the cylindrical gear of the transfer case meshes with the first idler, and the first idler is connected with the planet carrier. The planetary carrier is connected to the sun gear set on the output shaft of the front axle through the planetary gear, and the planetary carrier is also meshed with the ring gear through the planetary gear. The ring gear is fixedly connected to one end of the through shaft, and the other end of the through shaft is connected to the inter-axle differential. One output end of the inter-axle differential is connected to the output shaft of the rear axle, and the other output end of the inter-axle differential is connected to the second idler gear through a triple gear, the second idler is connected to the cylindrical gear of the middle axle, and the cylindrical gear of the middle axle is connected to the driving cone Gears, the driving bevel gear meshes with the driven bevel gear, and the driven bevel gear is placed at the input end of the left wheel side of the cylindrical gear. The utility model optimizes the structure of the whole vehicle by integrating the transfer case and the main reducer of the middle bridge, which is beneficial to the arrangement of the transmission shaft and improves the passability of the whole vehicle.

Description

A kind of part-time case jackshaft main reduction gear integral structure

Technical field

The utility model relates to the arrangement structure of automobile drive axle jackshaft main reduction gear and part-time case, is specifically related to a kind of part-time case jackshaft main reduction gear integral structure.

Technical background

Generally adopt part-time case, jackshaft main reduction gear to arrange respectively on the automobile at present as independent assembly; The centre connects with transmission shaft; This arrangement form has increased the relation of being in transmission connection between two assemblies, is unfavorable for transmission shaft layout and exercise performance, and has limited the vertical crossing ability of car load.

The utility model content

The purpose of the utility model is to above-mentioned technical matters, and a kind of part-time case jackshaft main reduction gear integral structure is provided, and this structure is beneficial to transmission shaft and arranges and exercise performance, has strengthened vertical crossing ability of car load.

For realizing this purpose, the utility model institute design-calculated part-time case jackshaft main reduction gear integral structure comprises the part-time case housing; With part-time case housing bonded assembly axle housing; Be arranged on part-time case cylindrical wheel, thru shaft, gear ring, satellite gear, pinion carrier, first idle pulley, power input shaft, propons output shaft in the part-time case housing, be arranged on back axle output shaft, interaxle differential, triple gear, second idle pulley, jackshaft cylindrical wheel, drive bevel gear, inter-wheel differential, driven wheel of differential in the axle housing, it is characterized in that: said power input shaft connects the part-time case cylindrical wheel; The part-time case cylindrical wheel meshes first idle pulley; First idle pulley connects pinion carrier, and pinion carrier is arranged on the sun wheel on the propons output shaft through the satellite gear connection, and pinion carrier is also through satellite gear and gear ring engagement; One end of gear ring captive joint thru shaft; The other end of thru shaft connects interaxle differential, and a mouth of interaxle differential connects the back axle output shaft, and another mouth of interaxle differential connects second idle pulley through triple gear; Second idle pulley connects the jackshaft cylindrical wheel; The jackshaft cylindrical wheel connects drive bevel gear, drive bevel gear engagement driven wheel of differential, and driven wheel of differential places the revolver limit input end of cylindrical wheel.

Said propons output shaft is provided with differential locking-device.

Said part-time case housing is connected through bolt with axle housing.

The utility model becomes one part-time case and jackshaft main reduction gear through the said structure design, has optimized the structure of car load, helps the layout of transmission shaft, and has improved the car load crossing ability; Simultaneously, part-time case is arranged in the jackshaft front end, and interaxle differential is arranged in the jackshaft rear end, makes auxiliary gear box and jackshaft independent again, makes things convenient for assembly assembling adjustment and carries out universalization; In addition, change jackshaft mouth hand of rotation, satisfy the car load requirement of going through increasing reverse idler gear.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Wherein, 1---power input shaft, 2---part-time case cylindrical wheel, 3---driven wheel of differential, 4---cylindrical wheel, 5---drive bevel gear, 6---jackshaft cylindrical wheel, 7---second idle pulley, 8---back axle output shaft, 9---interaxle differential, 10---triple gear, 11---thru shaft, 12---gear ring, 13---satellite gear, 14---propons output shaft, 15---pinion carrier, 16---first idle pulley, 17---differential locking-device, 18---part-time case housing, 19---axle housing, 20---revolver limit input end.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:

Part-time case jackshaft main reduction gear integral structure as shown in Figure 1; Comprise part-time case housing 18,, be arranged on part-time case cylindrical wheel 2 in the part-time case housing 18, thru shaft 11, gear ring 12, satellite gear 13, pinion carrier 15, first idle pulley 16, differential locking-device 17, power input shaft 1, propons output shaft 14 with part-time case housing 18 bonded assembly axle housings 19; Be arranged on back axle output shaft 8 in the axle housing 19, interaxle differential 9, triple gear 10, second idle pulley 7, jackshaft cylindrical wheel 6, drive bevel gear 5, inter-wheel differential 4, driven wheel of differential 3; Power input shaft 1 connects part-time case cylindrical wheel 2, and part-time case cylindrical wheel 2 engagements first idle pulley 16, the first idle pulleys 16 connect pinion carrier 15; Pinion carrier 15 is arranged on the sun wheel on the propons output shaft 14 through satellite gear 13 connections; Pinion carrier 15 also meshes through satellite gear 13 and gear ring 12, an end of gear ring 12 captive joint thru shafts 11, and the other end of thru shaft 11 connects interaxle differential 9; A mouth of interaxle differential 9 connects back axle output shaft 8; Another mouth of interaxle differential 9 connects second idle pulley, 7, the second idle pulleys 7 through triple gear 10 and connects jackshaft cylindrical wheel 6, and jackshaft cylindrical wheel 6 connects drive bevel gear 5; Drive bevel gear 5 engagement driven wheel of differentials 3, driven wheel of differential 3 places the revolver limit input end 20 of cylindrical wheel 4.Said structure has significantly improved the integrated level of part-time case and jackshaft main reduction gear, has strengthened vertical crossing ability of car load.

In the technique scheme, propons output shaft 14 is provided with differential locking-device 17.Part-time case housing 18 and axle housing 19 are connected through bolt.

In the technique scheme, be arranged on part-time case cylindrical wheel 2 in the part-time case housing 18, thru shaft 11, gear ring 12, satellite gear 13, pinion carrier 15, first idle pulley 16, differential locking-device 17, power input shaft 1 and propons output shaft 14 and constitute part-time cases.

During the utility model work; Power is passed to propons to a power part through sun wheel and propons output shaft 14 through part-time case then through power input shaft 1, pass to the pinion carrier 15 of planetary wheel part-time case through part-time case cylindrical wheel 2, first idle pulley 16, and another part power is passed to interaxle differential 9 by gear ring 12 through thru shaft 11; Be divided into two parts again through diff 9 again; A part is passed to back axle through back axle output shaft 8, and another part is through triple gear 10, the second idle pulleys 7; Jackshaft cylindrical wheel 6 is passed to jackshaft, and power has changed jackshaft mouth hand of rotation behind idle pulley 7.

The content that this specification sheets is not done to describe in detail belongs to this area professional and technical personnel's known prior art.

Claims

1. An integrated structure of the intermediate axle and main reducer of a transfer case, comprising a transfer case (18), an axle case (19) connected to the transfer case (18), arranged on the transfer case (18) transfer box cylindrical gear (2), through shaft (11), ring gear (12), planetary gear (13), planet carrier (15), first idler gear (16), power input shaft ( 1), front axle output shaft (14), rear axle output shaft (8), inter-axle differential (9), triple gear (10), second idler gear (7) arranged in the axle housing (19) , intermediate axle cylindrical gear (6), driving bevel gear (5), inter-wheel differential (4), driven bevel gear (3), characterized in that: the power input shaft (1) is connected to the transfer cylinder The gear (2), the transfer spur gear (2) meshes with the first idler gear (16), the first idler gear (16) is connected to the planetary carrier (15), and the planetary carrier (15) is connected to the The sun gear on the front axle output shaft (14), the planet carrier (15) is also meshed with the ring gear (12) through the planetary gear (13), and the ring gear (12) is fixedly connected to one end of the through shaft (11), and the through shaft ( The other end of 11) is connected to the inter-axle differential (9), one output end of the inter-axle differential (9) is connected to the rear axle output shaft (8), and the other output end of the inter-axle differential (9) passes through The triple gear (10) is connected with the second idler gear (7), and the second idler gear (7) is connected with the middle axle spur gear (6), and the middle axle spur gear (6) is connected with the driving bevel gear (5), and the driving bevel gear (5 ) meshes the driven bevel gear (3), and the driven bevel gear (3) is placed on the input end (20) of the left wheel side of the cylindrical gear (4).

2. The integrated structure of the intermediate axle and final reducer of the transfer case according to claim 1, characterized in that: the output shaft (14) of the front axle is provided with a differential lock (17).

3. The integrated structure of the intermediate axle and main reducer of the transfer case according to claim 1, characterized in that: the transfer case (18) and the axle case (19) are fixedly connected by bolts.