CN211039652U

CN211039652U - Front and rear driving transfer case assembly with horizontally-driven transmission shaft

Info

Publication number: CN211039652U
Application number: CN201922100461.7U
Authority: CN
Inventors: 林春为; 邓清华; 林侨木
Original assignee: Fujian Shangkun Gearbox Manufacturing Co ltd
Current assignee: Fujian Shangkun Gearbox Manufacturing Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-17
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a transmission shaft horizontal drive's preceding, back drive transfer case assembly, including main tank and cylinder body, the top of main tank is provided with the casing, and the left and right sides of casing is provided with declutch shift axle supporting seat and the side cap board that the internal surface passes through O type circle and cylinder position sleeve connection high-low gear declutch shift axle, and simultaneously, the surface of high-low gear declutch shift axle has cup jointed the high-low gear shift fork. The utility model discloses set up 29 teeth of main tank, rear drive gear axle, 20 teeth of input gear, 20 teeth of intermediate gear, 29 teeth of intermediate gear and 29 teeth of front drive gear, when work keeps off the position and uses, do: low-speed gear and front drive are four-wheel drive; when the driving gear is used, the following steps are performed: high-speed gear-disengaging front drive is changed into rear drive; the transfer case is connected with the gear box assembly, mainly for the vehicle type with the wheelbase smaller than 3m, such as the mine vehicle type, the length of the front transmission shaft and the rear transmission shaft is considered, the length size of the gear box and the transfer case must be shortened, and the horizontal transmission of the transmission shaft is ensured.

Description

Front and rear driving transfer case assembly with horizontally-driven transmission shaft

Technical Field

The utility model relates to an auto-parts technical field specifically is a transmission shaft horizontal drive's preceding, back drive transfer case assembly.

Background

The automobile, namely the automobile which has power to drive, does not need to be erected according to the track or the electric power, and can run by motor, in a broad sense, the automobile which has four-wheel running is generally called as an automobile, the automobile provides great convenience for the people in the aspect of going out, the automobile has long-foot development along with the increasing requirements of people on the automobile, the automobile consists of a plurality of accessories, a transfer case assembly is one of the accessories, the transfer case assembly has the function of distributing power in the whole automobile, the transfer case assembly inputs power through a transfer case main shaft, then the power is reasonably distributed to a front axle and a rear axle by a gear transmission system in the transfer case, but the existing transfer case assembly and the transfer case are of a split structure, are suitable for automobile models with the axle distance of more than 3.3m, mainly are the parts of a front transmission shaft and a rear transmission shaft, the inclined angle of the transmission shafts is large when the transmission shafts are connected, the dynamic balance, a front and rear drive transfer case assembly with a horizontally-driven transmission shaft is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission shaft horizontal drive's preceding, back drive transfer case assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a front and rear driving transfer case assembly with a horizontally-driven transmission shaft comprises a main case and a cylinder body, wherein a shell is arranged at the top of the main case, the left side and the right side of the shell are provided with a shifting fork shaft supporting seat and a side cover plate, the inner surfaces of the shifting fork shaft supporting seat and the side cover plate are connected with a high-low shifting fork shaft through an O-shaped ring and a cylinder positioning sleeve, the outer surface of the high-low shifting fork shaft is sleeved with a high-low shifting fork, the right upper end of the main case is connected with an input gear 20 tooth, the right side of the input gear 20 tooth is provided with a sliding gear sleeve and a rear driving gear shaft 29 tooth through an input spacer sleeve and a skeleton type oil seal, the right lower end of the main case is movably connected with an intermediate gear 29 tooth, the top of which is connected with an intermediate gear 20 tooth through a needle bearing, the bottom of the main case is connected with a front driving gear 29 tooth, a front driving spline, the inner cavity of the cylinder body is connected with a front driving shifting fork shaft of which the outer surface is fixedly connected with a front driving shifting fork through an O-shaped ring.

Preferably, the left side of cylinder block also is provided with the declutch shift shaft supporting seat, and is located and all is provided with steel ball and spring between left declutch shift shaft supporting seat of cylinder block and the front drive declutch shift shaft, is located and all is provided with between left declutch shift shaft supporting seat of casing and the high-low gear declutch shift shaft, and simultaneously, still is connected with the cylinder position sleeve through O type circle between front drive declutch shift shaft and cylinder block and the front drive rear end cap.

Preferably, the inner side of the teeth of the input gear 20 is further movably connected with a shaft snap ring through a gasket and a bearing, the bottom of the left side of the main box is fixedly connected with a front drive output end cover, and the right side of the teeth of the input gear 20 and the left side of the front drive output end cover are provided with flanges through a framework type oil seal and a flange gasket.

Preferably, the right side of the teeth of the intermediate gear 29 is also connected with the right side of the inner cavity of the main box through an intermediate gear gasket and a bearing.

Preferably, an odometer driving gear is arranged on the right side of the main box and at a position corresponding to the teeth of the input gear 20, and an intermediate end cover is arranged on the right side of the main box and at a position corresponding to the teeth of the intermediate gear 29.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses set up 29 teeth of main tank, rear drive gear axle, 20 teeth of input gear, 20 teeth of intermediate gear, 29 teeth of intermediate gear and 29 teeth of front drive gear, when work keeps off the position and uses, do: low-speed gear and front drive are four-wheel drive; when the driving gear is used, the following steps are performed: high-speed gear-disengaging front drive is changed into rear drive; the transfer case is connected with the transfer case assembly, mainly for the vehicle type with the wheelbase smaller than 3m, such as the mine vehicle type, the length size of the transfer case and the transfer case is required to be shortened by considering the length of the front transmission shaft and the rear transmission shaft, the horizontal transmission of the transmission shaft is ensured, the dynamic balance of the transmission shaft during the operation is not caused, and the parts of the transmission shaft, the transfer case assembly and the front axle which are easy to damage are not caused.

Drawings

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

In the figure: the device comprises a main box 1, a fork shaft support base 2, a shell 3, a high-low gear fork shaft 4, a high-low gear fork 5, a rear driving gear shaft 6 with 29 teeth, a side cover plate 7, a sliding gear sleeve 8, a flange 9, an odometer driving gear 10, an intermediate gear 11 with 20 teeth, an intermediate gear 12 with 29 teeth, an intermediate end cover 13, a front driving gear 14 with 29 teeth, a front driving rear end cover 15, a front driving spline shaft 16, a front driving output end cover 17, an air cylinder 18, a front driving fork shaft 19, a cylinder positioning sleeve 20, a front driving fork 21 and an input gear 22 with 20 teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The main box 1, the declutch shift shaft support base 2, the shell 3, the high-low declutch shift shaft 4, the high-low declutch shift fork 5, the rear driving gear shaft 29 tooth 6, the side cover plate 7, the sliding gear sleeve 8, the flange 9, the odometer driving gear 10, the intermediate gear 20 tooth 11, the intermediate gear 29 tooth 12, the intermediate end cover 13, the front driving gear 29 tooth 14, the front driving rear end cover 15, the front driving spline shaft 16, the front driving output end cover 17, the cylinder block 18, the front driving declutch shift shaft 19, the cylinder positioning sleeve 20, the front driving declutch shift fork 21 and the input gear 20 tooth 22 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the parts can be known by technicians in the technical manual or conventional experimental methods.

Referring to fig. 1, a front and rear driving transfer case assembly with a horizontal transmission shaft comprises a main case 1 and a cylinder block 18, wherein an odometer driving gear 10 is arranged on the right side of the main case 1 and at a position corresponding to teeth 23 of an input gear 20, an intermediate end cover 13 is arranged on the right side of the main case 1 and at a position corresponding to teeth 12 of an intermediate gear 29, a housing 3 is arranged on the top of the main case 1, a fork shaft support base 2 and a side cover plate 7 are arranged on the left and right sides of the housing 3, the inner surfaces of the fork shaft support base are connected with a high and low gear fork shaft 4 through an O-ring and a cylinder positioning sleeve, a high and low gear fork 5 is sleeved on the outer surface of the high and low gear fork shaft 4, the right upper end of the main case 1 is connected with the input gear 20 teeth 23, the right side of which is provided with a sliding gear sleeve 8 and rear driving gear shaft 29 teeth 6, through an input spacer and a skeleton type oil, the bottom of the left side of the main box 1 is fixedly connected with a front driving output end cover 17, the right side of the teeth 23 of the input gear 20 and the left side of the front driving output end cover 17 are both provided with a flange 9 through a framework oil seal and a flange gasket, the right lower end of the main box 1 is movably connected with a middle gear 29 teeth 12 of which the top is connected with the middle gear 20 teeth 11 through a needle bearing through a bearing, the right side of the middle gear 29 teeth 12 is also connected with the right side of the inner cavity of the main box 1 through a middle gear gasket and a bearing, the bottom of the main box 1 is connected with a front driving gear 29 teeth 14, a front driving spline shaft 16 and a front driving rear end cover 15 through a needle bearing, a front driving fork shaft 19 of which the outer surface is fixedly connected with a front driving fork 21 is connected with the inner cavity of the cylinder body 18 through an O-shaped ring, the left side of cylinder block 18 also is provided with declutch shift shaft supporting seat 2, and is located between the left declutch shift shaft supporting seat 2 of cylinder block 18 and the preceding declutch shift shaft 19, is located and all is provided with steel ball and spring between the left declutch shift shaft supporting seat 2 of casing 3 and the high-low gear declutch shift shaft 4, and simultaneously, still be connected with cylinder position sleeve 20 through O type circle between preceding declutch shift shaft 19 and cylinder block 18 and the front drive rear end cap 15, when the fender position of working uses, does: low-speed gear and front drive are four-wheel drive; when the driving gear is used, the following steps are performed: high-speed gear-disengaging front drive is changed into rear drive; the transfer case is connected with the transfer case assembly, mainly for the vehicle type with the wheelbase smaller than 3m, such as the mine vehicle type, the length size of the transfer case and the transfer case is required to be shortened by considering the length of the front transmission shaft and the rear transmission shaft, the horizontal transmission of the transmission shaft is ensured, the dynamic balance of the transmission shaft during the operation is not caused, and the parts of the transmission shaft, the transfer case assembly and the front axle which are easy to damage are not caused.

When in use, the main box 1, the rear driving gear shaft 29 teeth 6, the input gear 20 teeth 23, the intermediate gear 20 teeth 11, the intermediate gear 29 teeth 12 and the front driving gear 29 teeth 14 are arranged, and when in use in a working gear, the gear teeth are as follows: low-speed gear and front drive are four-wheel drive; when the driving gear is used, the following steps are performed: high-speed gear-disengaging front drive is changed into rear drive; the transfer case is connected with the transfer case assembly, mainly for the vehicle type with the wheelbase smaller than 3m, such as the mine vehicle type, the length size of the transfer case and the transfer case is required to be shortened by considering the length of the front transmission shaft and the rear transmission shaft, the horizontal transmission of the transmission shaft is ensured, the dynamic balance of the transmission shaft during the operation is not caused, and the parts of the transmission shaft, the transfer case assembly and the front axle which are easy to damage are not caused.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission shaft horizontal drive's preceding, back drive transfer case assembly, includes main case (1) and cylinder block (18), its characterized in that: the top of the main box (1) is provided with a shell (3), the left side and the right side of the shell (3) are provided with a shifting fork shaft supporting seat (2) and a side cover plate (7) of which the inner surfaces are connected with a high-low gear shifting fork shaft (4) through an O-shaped ring and a cylinder positioning sleeve, the outer surface of the high-low gear shifting fork shaft (4) is sleeved with a high-low gear shifting fork (5), the upper right end of the main box (1) is connected with an input gear 20 tooth (23) of which the right side is provided with a sliding tooth sleeve (8) and a rear drive gear shaft 29 tooth (6) through an input spacer sleeve and a skeleton type oil seal, the lower right end of the main box (1) is movably connected with an intermediate gear 29 tooth (12) of which the top is connected with an intermediate gear 20 tooth (11) through a needle bearing, and the bottom of the main box (1) is connected with a front drive gear 29 tooth (14), a front drive spline shaft (16) and a front drive, and the bottom of the front driving rear end cover (15) is movably connected with a cylinder body (18) through a bearing, and the inner cavity of the cylinder body (18) is connected with a front driving shifting fork shaft (19) of which the outer surface is fixedly connected with a front driving shifting fork (21) through an O-shaped ring.

2. The front and rear drive transfer case assembly of claim 1 in which the drive shaft is horizontally driven, wherein: the left side of cylinder block (18) also is provided with declutch shift shaft supporting seat (2), and is located and all is provided with steel ball and spring between left declutch shift shaft supporting seat (2) of cylinder block (18) and front drive declutch shift shaft (19), is located and all is provided with between left declutch shift shaft supporting seat (2) of casing (3) and high-low gear declutch shift shaft (4), and simultaneously, still is connected with cylinder position sleeve (20) through O type circle between front drive declutch shift shaft (19) and cylinder block (18) and front drive rear end housing (15).

3. The front and rear drive transfer case assembly of claim 1 in which the drive shaft is horizontally driven, wherein: the inner side of the 20 teeth (23) of the input gear is movably connected with a shaft snap ring through a gasket and a bearing, the bottom of the left side of the main box (1) is fixedly connected with a front drive output end cover (17), and the right side of the 20 teeth (23) of the input gear and the left side of the front drive output end cover (17) are provided with flanges (9) through framework type oil seals and flange gaskets.

4. The front and rear drive transfer case assembly of claim 1 in which the drive shaft is horizontally driven, wherein: the right side of the teeth (12) of the intermediate gear 29 is also connected with the right side of the inner cavity of the main box (1) through an intermediate gear gasket and a bearing.

5. The front and rear drive transfer case assembly of claim 1 in which the drive shaft is horizontally driven, wherein: an odometer driving gear (10) is arranged on the right side of the main box (1) and in a position corresponding to the 20 teeth (23) of the input gear, and a middle end cover (13) is arranged on the right side of the main box (1) and in a position corresponding to the 29 teeth (12) of the middle gear.