CN210510224U

CN210510224U - Split type transfer case

Info

Publication number: CN210510224U
Application number: CN201920625826.5U
Authority: CN
Inventors: 郑永忠
Original assignee: Fujian Xinyuan Heavy Industry Co ltd
Current assignee: Fujian Xinyuan Heavy Industry Co ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-05-12
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a split transfer case, which comprises a first shell and a second shell connected with the first shell, wherein the outer side of the first shell is provided with a starting motor, a first countershaft gear is fixedly arranged on the first countershaft, the left end of the first countershaft is connected with a first bearing, one side of the first countershaft is provided with a second countershaft, a second countershaft gear is fixedly arranged on the second countershaft, and both sides are provided with second bearings, one side of the second countershaft, which is far away from the first countershaft, is provided with a third countershaft, a third countershaft gear is fixedly arranged on the third countershaft, and both sides are provided with third bearings, the first shell comprises an inner shell and an outer shell, both the inner shell and the outer shell are provided with mounting grooves for placing the second countershaft, the outer side of the outer shell is provided with two oil inlets, the processing difficulty and the processing cost are reduced, the second countershaft and the second bearing are fixed between the mounting grooves, no bearing seat is required to be added, meanwhile, lubricating oil can be directly conveyed between the auxiliary shaft gears through the oil inlet, and the processing cost is further reduced.

Description

Split type transfer case

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a split type transfer case is related to.

Background

The transfer case is a device for distributing the power of the engine and can output the power to the rear shaft or simultaneously output the power to the front shaft and the rear shaft; the existing transfer case shell adopts an integrated design, the processing difficulty is high, the cost is high, a bearing seat is required to be installed to fix a bearing of an auxiliary shaft, the structure is complex, the installation procedure is complex, an oil inlet of lubricating oil is arranged at the top end of the transfer case shell, an oil inlet pipe is required to be designed to transport the oil between auxiliary shaft gears, the lubricating oil is easy to waste, and the processing cost is further increased.

The invention is promoted and improved by aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned not enough, provide a split type transfer case.

In order to achieve the above object, the technical solution of the present invention is: a split transfer case comprises a first shell and a second shell connected with the first shell, wherein a starting motor is arranged on the outer side of the first shell, an output main shaft end of the starting motor penetrates through the first shell, a first auxiliary shaft is transversely arranged in the first shell, a first auxiliary shaft gear is fixedly arranged on the first auxiliary shaft, a first bearing is connected to the left end of the first auxiliary shaft, a second auxiliary shaft is arranged on one side of the first auxiliary shaft, the second auxiliary shaft is transversely arranged in the first shell, a second auxiliary shaft gear is fixedly arranged on the second auxiliary shaft, second bearings are arranged on two sides of the second auxiliary shaft, the second auxiliary shaft gear is in meshed connection with the first auxiliary shaft gear, a third auxiliary shaft is arranged on one side of the second auxiliary shaft, which is far away from the first auxiliary shaft, the third auxiliary shaft is transversely arranged in the first shell, a third auxiliary shaft gear is fixedly arranged on the third auxiliary shaft, third bearings are arranged on two sides of the third auxiliary shaft, and the third auxiliary shaft, be equipped with the flywheel in the second casing, the flywheel is fixed to be set up on first countershaft, and the fixed starting gear that is equipped with in flywheel outer lane, the fixed clutch pressure disk that is equipped with in one side that first countershaft was kept away from to the flywheel, one side that the flywheel was kept away from to the clutch pressure disk is equipped with the clutch fork pole, extrude the clutch pressure disk through the clutch fork pole, control starting gear and starter motor output main shaft end intercommunication, it rotates to drive first countershaft, first casing includes interior casing and shell body, interior casing and shell body all are equipped with the mounting groove that is used for placing the second countershaft, the outside of shell body is equipped with two oil inlets, each oil inlet all runs through the shell body, and each oil inlet is just to the junction of first countershaft gear.

Preferably, an oil seal ring is arranged between the first bearing and the flywheel.

Preferably, the outer side of the inner shell is provided with a shaft mounting seat which is integrally formed with the inner shell.

Preferably, the inner casing and the outer casing are fixedly connected by bolts.

Through adopting foretell technical scheme, the beneficial effects of the utility model are that: through dividing into interior casing and shell body with first casing, reduced the processing degree of difficulty and processing cost, through fixed second countershaft and second bearing between the mounting groove, need not to increase the bearing frame, accessible oil inlet is direct transports lubricating oil between each countershaft gear simultaneously, has further reduced processing cost.

Drawings

FIG. 1 is a schematic structural view of the transfer case of the present invention;

fig. 2 is a half-sectional view of the transfer case of the present invention.

Description of the main reference numerals: 1 second shell, 2 first shell, 21 inner shell, 22 outer shell, 3 starting motor, 4 first auxiliary shaft, 5 first auxiliary shaft gear, 6 first bearing, 7 second auxiliary shaft, 8 second auxiliary shaft gear, 9 second bearing, 10 third auxiliary shaft, 11 third auxiliary shaft gear, 12 third bearing, 13 flywheel, 14 starting gear, 15 clutch pressure plate, 16 clutch fork rod, 17 mounting groove, 18 oil inlet, 19 oil seal ring, 20 axle mounting seat.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by "left", "right", "inside", "outside", etc. are the directions or positional relationships shown on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention.

As shown in fig. 1-2, a split transfer case includes a first casing 2 and a second casing 1 connected to the first casing 2, a starting motor 3 is disposed outside the first casing 2, an output main shaft end of the starting motor 3 penetrates through the first casing 2, a first auxiliary shaft 4 is transversely disposed in the first casing 2, a first auxiliary shaft gear 5 is fixedly disposed on the first auxiliary shaft 4, a first bearing 6 is connected to a left end of the first auxiliary shaft 4, a second auxiliary shaft 7 is disposed on one side of the first auxiliary shaft 4, the second auxiliary shaft 7 is transversely disposed in the first casing 2, a second auxiliary shaft gear 8 is fixedly disposed on the second auxiliary shaft 7, and second bearings 9 are disposed on both sides of the second auxiliary shaft gear 8 and the first auxiliary shaft gear 5, a third auxiliary shaft 10 is disposed on one side of the second auxiliary shaft 7 far from the first auxiliary shaft 4, the third auxiliary shaft 10 is transversely disposed in the first casing 2, and a third auxiliary shaft gear 11 is fixedly disposed on the third auxiliary shaft 10, and both sides are provided with third bearings 12, a third counter shaft gear 11 is meshed with the second counter shaft gear 8, a flywheel 13 is arranged in the second shell 1, the flywheel 13 is fixedly arranged on the first counter shaft 4, a starting gear 14 is fixedly arranged on the outer ring of the flywheel 13, a clutch pressure plate 15 is fixedly arranged on one side of the flywheel 13 far away from the first counter shaft 4, a clutch fork lever 16 is arranged on one side of the clutch pressure plate 15 far away from the flywheel 13, a clutch pressure plate 15 is extruded through a clutch fork lever 16, the starting gear 14 is controlled to be communicated with an output main shaft end of a starting motor 3 to drive a first auxiliary shaft 4 to rotate, the first shell 2 comprises an inner shell 21 and an outer shell 22, both the inner shell 21 and the outer shell 22 are provided with mounting grooves 17 for placing a second auxiliary shaft 7, two oil inlets 18 are formed in the outer side of the outer shell 22, each oil inlet 18 penetrates through the outer shell 22, and each oil inlet 18 is opposite to the connecting position of a first auxiliary shaft gear 5 and a second auxiliary shaft gear 8; when the output shaft of starting gear 14 and starter motor 3 communicates, drive first countershaft 4 and rotate, first countershaft 4 drives second countershaft 7 through first countershaft gear 5 and rotates, second countershaft 7 rotates and drives third countershaft 10 through second countershaft gear 8 and rotates, third countershaft 10 conveys the front axle transmission system who connects with it with power transmission, realize the transmission of power, through being divided into interior casing 21 and outer shell 22 with first casing 2, the processing degree of difficulty and processing cost have been reduced, through fixed second countershaft 7 and second bearing 9 between mounting groove 17, need not to increase the bearing frame, accessible oil inlet 18 directly transports lubricating oil between each countershaft gear simultaneously, need not to set up in addition and advance oil pipe, further reduced the processing cost.

As shown in fig. 2, an oil seal 19 is provided between the first bearing 6 and the flywheel 13 to prevent the lubricating oil in the first housing 2 from flowing into the second housing 1.

As shown in fig. 1, a shaft mounting seat 20 integrally formed with the inner housing 21 is provided on the outer side of the inner housing 21, so as to facilitate direct mounting of the power shaft of the front axle.

As shown in fig. 1, the inner casing 21 and the outer casing 22 are fixedly connected by bolts; is convenient to be disassembled and assembled.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited to the above description, and all the equivalent changes and decorations made according to the claims of the present invention should still fall within the scope covered by the present invention.

Claims

1. The utility model provides a split type transfer case, includes first casing and the second casing that is connected with first casing, its characterized in that: a starting motor is arranged on the outer side of the first shell, the output main shaft end of the starting motor penetrates through the first shell, a first auxiliary shaft is transversely arranged in the first shell, a first auxiliary shaft gear is fixedly arranged on the first auxiliary shaft, the left end of the first auxiliary shaft is connected with a first bearing, a second auxiliary shaft is arranged on one side of the first auxiliary shaft, the second auxiliary shaft is transversely arranged in the first shell, a second auxiliary shaft gear is fixedly arranged on the second auxiliary shaft, two sides of the second auxiliary shaft are respectively provided with a second bearing, the second auxiliary shaft gear is connected with the first auxiliary shaft gear in a meshing manner, a third auxiliary shaft is arranged on one side of the second auxiliary shaft, which is far away from the first auxiliary shaft, the third auxiliary shaft is transversely arranged in the first shell, a third auxiliary shaft gear is fixedly arranged on the third auxiliary shaft, two sides of the third bearing are respectively arranged on the third auxiliary shaft gear, the third auxiliary shaft gear is connected with the second auxiliary shaft gear in a meshing manner, the fixed clutch pressure disk that is equipped with in one side that first countershaft was kept away from to the flywheel, one side that the flywheel was kept away from to the clutch pressure disk is equipped with clutch fork pole, extrude the clutch pressure disk through clutch fork pole, control starting gear and starter motor output main shaft end intercommunication, it rotates to drive first countershaft, first casing includes interior casing and shell body, interior casing and shell body all are equipped with the mounting groove that is used for placing the second countershaft, the outside of shell body is equipped with two oil inlets, each oil inlet all runs through the shell body, and each oil inlet is just to the junction of first countershaft gear and second countershaft gear.

2. The split transfer case of claim 1, wherein: an oil seal ring is arranged between the first bearing and the flywheel.

3. The split transfer case of claim 1, wherein: the outer side of the inner shell is provided with a shaft mounting seat which is integrally formed with the inner shell.

4. The split transfer case of claim 1, wherein: the inner shell and the outer shell are fixedly connected through bolts.