CN211778875U

CN211778875U - Combined transfer case for multifunctional vehicle

Info

Publication number: CN211778875U
Application number: CN201921575962.4U
Authority: CN
Inventors: 沈阳光; 张登; 潘建龙
Original assignee: Hangzhou Advance Gearbox Group Co Ltd
Current assignee: Hangzhou Advance Gearbox Group Co Ltd
Priority date: 2019-09-22
Filing date: 2019-09-22
Publication date: 2020-10-27
Anticipated expiration: 2029-09-22

Abstract

A combined transfer case for multifunctional vehicle is composed of axle box, transfer case and axle box. The bevel gear differential comprises an input shaft gear, a bevel gear differential component, two input shaft gears, two intermediate shaft gears and two output shaft gears, wherein the input shaft gear is arranged on a shell component through a front input bearing and a rear input bearing, the bevel gear differential component is arranged on the shell component through a front output bearing and a rear output bearing and is provided with an output gear, the input shaft gears are arranged on the shell component through a front input bearing and a rear input bearing, the intermediate shaft gears are arranged on the shell component through a front intermediate bearing and a rear intermediate bearing, and the output shaft gears are arranged on the shell component through a front output bearing and a. Wherein, the two input shaft gears are connected with the two half shaft gears of the bevel gear differential component with the output gear through splines. The transmission shaft can be lifted up, more space is vacated for arrangement of other functional structures of the whole vehicle, and the transmission shaft has the characteristics of simpler structure, better safety and reliability, higher general degree of parts and the like.

Description

Combined transfer case for multifunctional vehicle

Technical Field

The utility model relates to a combination transfer case for multi-purpose vehicle belongs to engineering machine tool power assembly's transfer case technical field.

Background

Most of the existing common transfer cases are not provided with a combined case, and are directly connected with a transmission shaft to be output to a front axle and a rear axle of a vehicle, so that the extended transmission shaft often hinders the arrangement of other structures of the whole vehicle, particularly special operation vehicles with multiple functions need to be arranged with multiple functional structures, and the transmission shaft needs to be lifted in order to avoid interference with the transmission shaft.

Disclosure of Invention

An object of the utility model is to overcome the not enough of prior art existence, and provide the such integrated configuration of combination transfer case of area lift, lift axle box, can rise the transmission shaft, vacate and move more spaces and supply arranging of other functional structures of whole car.

The utility model aims at providing a through following technical scheme, a combination transfer case for multi-function vehicle, it comprises axle box, transfer case and axle box that falls, and it sets up respectively in the transfer case both sides to fall axle box and axle box that rises, be equipped with first housing part in the transfer case, be equipped with first input shaft gear and the bevel gear differential mechanism part of taking output gear in the first housing part, first front input bearing and first back input bearing are equipped with respectively to the front and back both ends of first input shaft gear, the front and back end of the bevel gear differential mechanism part of taking output gear rear end wheel is equipped with first front output bearing and first back output bearing respectively, axle box and axle box inner structure are the same in rising, and its inside is equipped with the second housing part respectively, be equipped with second input shaft gear, intermediate shaft gear, output shaft gear in the second housing part, the front end and the rear end of the second input shaft gear are respectively provided with a second front input bearing and a second rear input bearing, the front end and the rear end of the middle shaft gear are respectively provided with a second front middle bearing and a second rear middle bearing, the front end and the rear end of the output shaft gear are respectively provided with a second front output bearing and a second rear output bearing, and the second input shaft gear in the shaft lowering box and the input shaft gear in the shaft raising box are connected through a spline and two half shaft gears of a bevel gear differential component with an output gear.

Preferably, the method comprises the following steps: the second input shaft gear, the intermediate shaft gear and the output shaft gear are all of an eccentric parallel shaft structure, the transfer case adopts a bevel gear differential mechanism and is driven by a single-stage gear, and the transmission ratio is close to 1.

The utility model has the characteristics of the structure is simpler, and security and reliability are better, and the general degree of spare part is higher etc.

Drawings

Fig. 1 is a schematic structural diagram of each component of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings: fig. 1 shows, a combination transfer case for utility vehicle, it comprises axle box 22, transfer case 25 and axle box 23 falls, wherein falls axle box and rise axle box and sets up respectively in the transfer case both sides, its characterized in that be equipped with first housing part 16 in the transfer case be equipped with first input shaft gear 2 and bevel gear differential mechanism part 5 who takes output gear in the first housing part 16, first input shaft gear 2 is equipped with first front input bearing 1 and first back input bearing 3 respectively in both ends around, take bevel gear differential mechanism part 5's of output gear rear end wheel front and back end to be equipped with first front output bearing 6 and first back output bearing 4 respectively, axle box and axle box inner structure are the same in rising, and its inside is equipped with second housing part 17 respectively, be equipped with second input shaft gear 8 in the axle box in the second housing part 17, The mechanism comprises a middle shaft gear 11 and an output shaft gear 14, wherein a front input bearing 7 and a rear input bearing 9 are respectively arranged at the front end and the rear end of a second input shaft gear 8 in a shaft lowering box, a front middle bearing 10 and a rear middle bearing 12 are respectively arranged at the front end and the rear end of the middle shaft gear 11, a front output bearing 13 and a rear output bearing 15 are respectively arranged at the front end and the rear end of the output shaft gear 14, the second input shaft gear 8 in the shaft lowering box and an input shaft gear 18 in a shaft lifting box are connected with two half shaft gears of a bevel gear differential component 5 with an output gear through splines, the second input shaft gear 8, the middle shaft gear 11 and the output shaft gear 14 in the shaft lowering box are of an eccentric parallel shaft structure, a transfer box adopts a bevel gear differential, and is single-stage gear transmission, and the transmission ratio is close to 1.

The transfer case transmits the power of the self-changing gearbox, the power is divided into two paths, and one path of power is output to a front axle of the vehicle through a transmission shaft by a shaft dropping box; and the other path is output to a rear axle of the vehicle through a transmission shaft by a shaft lifting box.

Claims

1. A combined transfer case for a multifunctional vehicle is composed of a shaft lowering box (22), a transfer case (25) and a shaft lifting box (23), wherein the shaft lowering box and the shaft lifting box are respectively arranged at two sides of the transfer case, and is characterized in that a first case component (16) is arranged in the transfer case, a first input shaft gear (2) and a bevel gear differential component (5) with an output gear are arranged in the first case component (16), a first front input bearing (1) and a first rear input bearing (3) are respectively arranged at the front end and the rear end of the first input shaft gear (2), a first front output bearing (6) and a first rear output bearing (4) are respectively arranged at the front end and the rear end of the bevel gear differential component (5) with an output gear rear end wheel, the shaft lifting box and the shaft lowering box have the same internal structure, and a second case component (17) is respectively arranged in the shaft lifting box and the shaft box, the second input shaft gear (8), the intermediate shaft gear (11) and the output shaft gear (14) in the shaft lowering box are arranged in the second housing part (17), a second front input bearing (7) and a second rear input bearing (9) are respectively arranged at the front end and the rear end of the second input shaft gear (8) in the shaft lowering box, a second front intermediate bearing (10) and a second rear intermediate bearing (12) are respectively arranged at the front end and the rear end of the intermediate shaft gear (11), a second front output bearing (13) and a second rear output bearing (15) are respectively arranged at the front end and the rear end of the output shaft gear (14), and the second input shaft gear (8) in the shaft lowering box and the input shaft gear (18) in the shaft raising box are connected with two half shaft gears of a bevel gear differential component (5) with an output gear through splines.

2. The compound transfer case for utility vehicles according to claim 1, characterized in that the second input shaft gear (8), countershaft gear (11) and output shaft gear (14) are all of an eccentric parallel axis configuration, the transfer case employs a bevel gear differential for single stage gear drive with a ratio approaching 1.