CN213954268U

CN213954268U - Novel detachable disconnected axle transfer case

Info

Publication number: CN213954268U
Application number: CN202022351748.XU
Authority: CN
Inventors: 张应波; 王振华
Original assignee: Hubei Bozhan Machinery Transmission Manufacturing Co ltd
Current assignee: Hubei Bozhan Machinery Transmission Manufacturing Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-13
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a novel detachable broken shaft transfer case, which comprises a broken shaft transfer case body, wherein the left side of the broken shaft transfer case body is connected with at least one first detachable output structure; the right side of the broken shaft transfer case body is connected with at least one second detachable output structure, the upper portion of the broken shaft transfer case body is connected with at least one upper output structure, and each of the first detachable output structure, the second detachable output structure and the upper output structure is in transmission fit connection with a power transmission assembly arranged in the broken shaft transfer case body in a penetrating mode. The utility model has the advantages that: the automobile chassis has the advantages of good working performance, high stability, long service life, strong universality, convenience in installation and wide application range, and can greatly reduce the manufacturing cost, reduce the dead weight of the automobile chassis and save energy.

Description

Novel detachable disconnected axle transfer case

Technical Field

The utility model relates to a transfer case field, specific saying so relates to a novel detachable disconnected axle transfer case.

Background

The transfer case is a device for distributing power of the engine, and can output power to the rear axle or to both the front and rear axles. From this perspective, it can be seen that the transfer case is actually a fitting on a four-wheel drive vehicle. With the development of the four-wheel drive technology, the transfer case is also changed all the time, and the transfer case with different styles is gradually formed and matched with four-wheel drive vehicles with different requirements, but the current transfer case can only be adapted to one vehicle type no matter which style of transfer case is adopted, and the multi-purpose of one transfer case cannot be realized. For manufacturers, different transfer case molds need to be specially developed for different vehicle types, which undoubtedly increases the production cost of enterprises and also causes unnecessary waste of resources.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel detachable disconnected axle transfer case for overcome the problem that the background art exists.

In order to achieve the purpose, the utility model adopts the following technical scheme: a novel detachable broken shaft transfer case comprises a broken shaft transfer case body, wherein the left side of the broken shaft transfer case body is connected with at least one first detachable output structure; the right side of the broken shaft transfer case body is connected with at least one second detachable output structure, the upper portion of the broken shaft transfer case body is connected with an upper output structure, and each of the first detachable output structure, the second detachable output structure and the upper output structure is in transmission fit connection with a power transmission assembly arranged in the broken shaft transfer case body in a penetrating mode.

In the above technical solution, the power transmission assembly includes at least one input shaft, at least one first intermediate shaft and at least one second intermediate shaft rotatably disposed in the broken shaft transfer case; an input shaft gear is assembled on each input shaft, a first intermediate shaft gear is assembled on each first intermediate shaft, and a second intermediate shaft gear is assembled on each second intermediate shaft;

one side of each input shaft is in meshed transmission connection with a first intermediate shaft gear assembled on a first intermediate shaft adjacent to and corresponding to the input shaft gear assembled on the input shaft, and the other side of each input shaft is in meshed transmission connection with a second intermediate shaft gear assembled on a second intermediate shaft adjacent to and corresponding to the input shaft gear assembled on the input shaft gear;

one side of each first intermediate shaft is in meshed transmission connection with an input shaft gear assembled on the input shaft adjacent to the first intermediate shaft or in meshed transmission connection with a first intermediate shaft gear assembled on the first intermediate shaft adjacent to the first intermediate shaft, and the other side of each first intermediate shaft is in meshed transmission connection with a first detachable output structure adjacent to the first intermediate shaft or in meshed transmission connection with a first intermediate shaft gear assembled on the first intermediate shaft adjacent to the first intermediate shaft;

one side of each second intermediate shaft is in meshed transmission connection with the input shaft gear assembled on the input shaft adjacent to the second intermediate shaft through the second intermediate shaft gear assembled on the second intermediate shaft or in meshed transmission connection with the second intermediate shaft gear assembled on the second intermediate shaft adjacent to the second intermediate shaft, and the other side of the second intermediate shaft is in meshed transmission connection with the second detachable output structure adjacent to the second intermediate shaft through the second intermediate shaft gear assembled on the second intermediate shaft or in meshed transmission connection with the second intermediate shaft gear assembled on the second intermediate shaft adjacent to the second intermediate shaft.

In the technical scheme, at least one input shaft bearing is sleeved on the input end of each input shaft, and at least two input shaft bearings are sleeved on the output end of each input shaft; during assembly, the input end of each input shaft is correspondingly and cooperatively connected with the broken shaft transfer case body in a rotating way through at least one input shaft bearing sleeved on the input shaft, the output end of each input shaft is correspondingly and cooperatively connected with the broken shaft transfer case body in a rotating way through at least two input shaft bearings sleeved on the output shaft, and the input end and the output end of each input shaft penetrate through the broken shaft transfer case body and extend out of the broken shaft transfer case body;

the input end and the output end of each first intermediate shaft are respectively sleeved with at least one first intermediate shaft bearing and are respectively provided with a first intermediate shaft end cover; during assembly, the input end and the output end of each first intermediate shaft are correspondingly and cooperatively connected with the broken shaft transfer case body in a rotating mode through at least one first intermediate shaft bearing which is respectively sleeved on the input end and the output end of each first intermediate shaft, and the input end and the output end of each first intermediate shaft penetrate through the broken shaft transfer case body and are respectively hidden in the broken shaft transfer case body through a first intermediate shaft end cover;

the input end and the output end of each second intermediate shaft are respectively sleeved with at least one second intermediate shaft bearing and respectively assembled with a second intermediate shaft end cover; during assembly, the input end and the output end of each second intermediate shaft are correspondingly and cooperatively connected with the broken shaft transfer case body in a rotating mode through at least one second intermediate shaft bearing which is respectively sleeved on the input end and the output end of each second intermediate shaft, and the input end and the output end of each second intermediate shaft penetrate through the broken shaft transfer case body and are respectively hidden in the broken shaft transfer case body through a second intermediate shaft end cover.

In the technical scheme, at least two input shaft bearings are sleeved on the input end of each input shaft, and at least one input shaft bearing is sleeved on the output end; during assembly, the input end of each input shaft is correspondingly connected with the broken shaft transfer case in a rotating fit manner through at least two input shaft bearings sleeved on the input shaft, the output end of each input shaft is correspondingly connected with the broken shaft transfer case in a rotating fit manner through at least one input shaft bearing sleeved on the output shaft, and the input end and the output end of each input shaft penetrate through the broken shaft transfer case and extend out of the broken shaft transfer case;

In the technical scheme, at least one first gear-engaging shifting fork assembly is further arranged in the broken shaft transfer case in a penetrating mode, and each first gear-engaging shifting fork assembly is correspondingly arranged on one side of one input shaft and is matched with a gear-engaging sliding sleeve sleeved on the input shaft adjacent to and corresponding to the first gear-engaging shifting fork assembly in a clamping mode.

In the above technical solution, each of the first detachable output structures includes a first output box integrally connected to the split-axle transfer box, a second output box detachably connected to the first output box, a first intermediate transfer axle having one end penetrating the first output box and the other end penetrating the second output box, at least one first transfer axle penetrating the first output box, at least one second transfer axle and at least one first output axle penetrating the second output box, at least one second shift fork assembly penetrating the first output box, and/or at least one third shift fork assembly penetrating the second output box;

a first transfer shaft gear is assembled on each first transfer shaft; a first intermediate transfer shaft gear A is assembled at one end of each first intermediate transfer shaft, which is arranged in the corresponding first output box in a penetrating manner; a first intermediate transfer shaft gear B is assembled at one end of each first intermediate transfer shaft, which is arranged in the corresponding second output box in a penetrating manner; a second transfer shaft gear is assembled on each second transfer shaft; a first output shaft gear is assembled on each first output shaft;

one side of each first rotating shaft is in meshed transmission connection with a first intermediate shaft gear assembled on a first intermediate shaft adjacent to and corresponding to the first rotating shaft through a first rotating shaft gear assembled on the first rotating shaft or in meshed transmission connection with a first rotating shaft gear assembled on a first rotating shaft adjacent to and corresponding to the first rotating shaft, and the other side of each first rotating shaft is in meshed transmission connection with a first intermediate rotating shaft gear A assembled on a first intermediate rotating shaft adjacent to and corresponding to the first rotating shaft or in meshed transmission connection with a first rotating shaft gear assembled on a first rotating shaft adjacent to and corresponding to the first rotating shaft;

one end of each first intermediate adapter shaft, which is arranged in the corresponding first output box in a penetrating way, is in meshing transmission connection with a first adapter shaft gear arranged on the adjacent corresponding first adapter shaft through a first intermediate adapter shaft gear A arranged on the first intermediate adapter shaft gear A, and one end of each first intermediate adapter shaft, which is arranged in the corresponding second output box in a penetrating way, is in meshing transmission connection with a second adapter shaft gear arranged on the adjacent corresponding second adapter shaft through a first intermediate adapter shaft gear B arranged on the first intermediate adapter shaft gear B;

one side of each second adapter shaft is in meshed transmission connection with a first intermediate adapter shaft gear B assembled on a first intermediate adapter shaft adjacent to the second adapter shaft or in meshed transmission connection with a second adapter shaft gear assembled on a second adapter shaft adjacent to the second adapter shaft, and the other side of the second adapter shaft is in meshed transmission connection with a first output shaft gear assembled on a first output shaft adjacent to the first output shaft or in meshed transmission connection with a second adapter shaft gear assembled on a second adapter shaft adjacent to the first output shaft;

one side of each first output shaft is in meshed transmission connection with a second output shaft gear assembled on a second adapting shaft adjacent to and corresponding to the first output shaft through a first output shaft gear assembled on the first output shaft or in meshed transmission connection with a first output shaft gear assembled on a first output shaft adjacent to and corresponding to the first output shaft, and the other side of the first output shaft is in meshed transmission connection with a first output shaft gear assembled on a first output shaft adjacent to and corresponding to the first output shaft or is suspended;

each second gear engaging shifting fork assembly is correspondingly in clamping fit with a first transfer shaft gear assembled on one first transfer shaft or in clamping fit with a first intermediate transfer shaft gear A assembled on one first intermediate transfer shaft;

each third gear-engaging shifting fork assembly is correspondingly in clamping fit with a second transfer shaft gear assembled on one second transfer shaft or in clamping fit with a first intermediate transfer shaft gear B assembled on one first intermediate transfer shaft or in clamping fit with a first output shaft gear assembled on one first output shaft;

the input end and the output end of each first transfer shaft are respectively sleeved with at least one first transfer shaft bearing and are respectively provided with a first transfer shaft end cover; during assembly, the input end and the output end of each first transfer shaft are in rotating fit connection with the corresponding first output box body through at least one first transfer shaft bearing which is assembled on each first transfer shaft, and the input end and the output end of each first transfer shaft penetrate through the corresponding first output box body and are hidden in the first output box body through a first transfer shaft end cover respectively;

the input end and the output end of each first middle transfer shaft are respectively sleeved with at least two first middle transfer shaft bearings and respectively provided with a first middle transfer shaft end cover; during assembly, the input end and the output end of each first middle transfer shaft are respectively connected with the corresponding first output box body and the corresponding second output box body in a rotating fit mode through at least two first middle transfer shaft bearings which are respectively assembled on the input end and the output end of each first middle transfer shaft, the input end of each first middle transfer shaft penetrates through the corresponding first output box body and is hidden in the first output box body through one middle transfer shaft end cover, and the output end of each first middle transfer shaft penetrates through the corresponding second output box body and is hidden in the second output box body through one middle transfer shaft end cover;

the input end and the output end of each second adapter shaft are respectively sleeved with at least one second adapter shaft bearing and respectively assembled with a second adapter shaft end cover; during assembly, the input end and the output end of each second transfer shaft are connected with the corresponding second output box body in a rotating fit manner through at least one second transfer shaft bearing which is assembled on the input end and the output end of each second transfer shaft, penetrate through the corresponding second output box body and are hidden in the second output box body through a second transfer shaft end cover respectively;

at least one first output shaft bearing is sleeved on the input end and the output end of each first output shaft; during assembly, the input end and the output end of each first output shaft are connected with the corresponding second output box body in a rotating fit mode through the first output shaft bearings which are assembled on the input end and the output end, the input end of each first output shaft penetrates through the corresponding second output box body and is hidden in the second output box body through one first output shaft end cover, and the output end penetrates through the corresponding second output box body and extends out of the second output box body.

In the above technical solution, each of the second detachable output structures includes a third output box body connected to the split-shaft transfer box in an integral manner, a fourth output box body detachably connected to the third output box body, at least one third transfer shaft penetrating through the third output box body, a second intermediate transfer shaft having one end penetrating through the third output box body and the other end penetrating through the fourth output box body, at least one second output shaft penetrating through the fourth output box body, at least one fourth shift fork assembly penetrating through the third output box body or/and at least one fifth shift fork assembly penetrating through the fourth output box body;

a third transfer shaft gear is assembled on each third transfer shaft; a second intermediate transfer shaft gear A is assembled at one end of each second intermediate transfer shaft, which is arranged in the corresponding third output box in a penetrating manner; a second intermediate transfer shaft gear B is assembled at one end of each second intermediate transfer shaft, which is arranged in the corresponding fourth output box in a penetrating manner; a second output shaft gear is assembled on each second output shaft;

one side of each third adapter shaft is in meshed transmission connection with a second intermediate shaft gear assembled on a second intermediate shaft adjacent to and corresponding to the third adapter shaft gear assembled on the third adapter shaft through the third adapter shaft gear assembled on the third adapter shaft, or in meshed transmission connection with a third adapter shaft gear assembled on a third adapter shaft adjacent to and corresponding to the third adapter shaft, and the other side of the third adapter shaft is in meshed transmission connection with a second intermediate adapter shaft gear A assembled on a second intermediate adapter shaft adjacent to and corresponding to the third adapter shaft, or in meshed transmission connection with a third adapter shaft gear assembled on a third adapter shaft adjacent to and corresponding to the third adapter shaft;

one end of each second intermediate adapter shaft, which is arranged in the corresponding third output box in a penetrating manner, is in meshing transmission connection with a third adapter shaft gear arranged on the adjacent corresponding third adapter shaft through a second intermediate adapter shaft gear A arranged on the second intermediate adapter shaft gear A, and one end of each second intermediate adapter shaft, which is arranged in the corresponding fourth output box in a penetrating manner, is in meshing transmission connection with a second output shaft gear arranged on the adjacent corresponding second output shaft through a second intermediate adapter shaft gear B arranged on the second intermediate adapter shaft gear B;

one side of each second output shaft is in meshed transmission connection with a second intermediate transmission shaft gear B assembled on a second intermediate transmission shaft adjacent to and corresponding to the second output shaft gear B assembled on the second output shaft adjacent to and corresponding to the second output shaft gear B or in meshed transmission connection with a second output shaft gear assembled on a second output shaft adjacent to and corresponding to the second output shaft gear B assembled on the second output shaft adjacent to and corresponding to the second output shaft gear B, and the other side of the second output shaft is in meshed transmission connection with a second output shaft gear assembled on a second output shaft adjacent to and corresponding to the second output shaft gear B or is suspended;

each fourth gear-engaging shifting fork assembly is correspondingly in clamping fit with a third adapter shaft gear assembled on a third adapter shaft or in clamping fit with a second intermediate adapter shaft gear A assembled on a second intermediate adapter shaft;

each fifth gear-engaging shifting fork assembly is correspondingly in clamping fit with a second intermediate transfer shaft gear B assembled on a second intermediate transfer shaft or a second output shaft gear assembled on a second output shaft;

the input end and the output end of each third adapter shaft are respectively sleeved with at least one third adapter shaft bearing and respectively assembled with a third adapter shaft end cover; during assembly, the input end and the output end of each third transfer shaft are respectively connected with the corresponding third output box body in a rotating fit manner through at least one third transfer shaft bearing which is assembled on the input end and the output end of each third transfer shaft, and the input end and the output end of each third transfer shaft penetrate through the corresponding third output box body and are respectively hidden in the third output box body through a third transfer shaft end cover;

the input end and the output end of each second middle transfer shaft are respectively sleeved with at least two second middle transfer shaft bearings; during assembly, the input end and the output end of each second intermediate transfer shaft are respectively connected with a third output box body and a fourth output box body which correspond to the input end and the output end of each second intermediate transfer shaft in a rotating fit mode through at least two second intermediate transfer shaft bearings which are respectively assembled on the input end and the output end of each second intermediate transfer shaft, the input end of each second intermediate transfer shaft penetrates through the corresponding third output box body and is hidden in the third output box body through a second intermediate transfer shaft end cover, and the output end of each second intermediate transfer shaft penetrates through the corresponding fourth output box body and extends out of the fourth output box body or is hidden in the fourth output box body through a second intermediate transfer shaft end cover;

at least one second output shaft bearing is sleeved on the input end and the output end of each second output shaft; during assembly, the input end and the output end of each second output shaft are connected with the corresponding fourth output box body in a rotating fit mode through the second output shaft bearings which are assembled on the input end and the output end, the input end of each second output shaft penetrates through the corresponding fourth output box body and is connected with a pressure oil inlet, and the output end penetrates through the corresponding fourth output box body and extends out of the fourth output box body.

In the above technical solution, each of the upper output structures includes an upper output case connected with the broken shaft transfer case in an integral or detachable manner, and at least one upper output shaft penetrating through the upper output case; each upper output shaft is provided with an upper output shaft gear, and the input end and the output end of each upper output shaft are sleeved with at least one upper output shaft bearing; one side of each upper output shaft is in meshed transmission connection with an input shaft gear assembled on one input shaft in the broken shaft transfer case body through an upper output shaft gear assembled on the upper output shaft gear or in meshed transmission connection with an upper output shaft gear assembled on the upper output shaft adjacent to the upper output shaft gear, and the other side of each upper output shaft is in meshed transmission connection or suspended arrangement with the upper output shaft gear assembled on the upper output shaft adjacent to the upper output shaft gear through the upper output shaft gear assembled on the upper output shaft gear; the input end and the output end of each upper output shaft are respectively connected with the corresponding upper output box body in a rotating fit mode through at least one upper output shaft bearing which is respectively sleeved on the input end and the output end of each upper output shaft, the input end of each upper output shaft penetrates through the corresponding upper output box body and is hidden in the upper output box body through an upper output shaft end cover, and the output end penetrates through the corresponding upper output box body and extends out of the upper output box body.

In the above technical solution, each of the upper output structures includes an upper output case connected with the broken shaft transfer case in an integral or detachable manner, and at least one upper intermediate shaft and at least one upper output shaft penetrating through the upper output case; each upper output shaft is provided with an upper output shaft gear, and each upper intermediate shaft is provided with an upper intermediate shaft gear; at least one upper output shaft bearing is sleeved on the input end and the output end of each upper output shaft; at least one upper intermediate shaft bearing is sleeved on the input end and the output end of each upper intermediate shaft; one side of each upper output shaft is in meshed transmission connection with an upper intermediate shaft gear assembled on an upper intermediate shaft adjacent to and corresponding to the upper output shaft gear assembled on the upper output shaft or in meshed transmission connection with an upper output shaft gear assembled on an upper output shaft adjacent to and corresponding to the upper output shaft gear assembled on the upper output shaft, and the other side of each upper output shaft is in meshed transmission connection with an upper output shaft gear assembled on an upper output shaft adjacent to and corresponding to the upper output shaft gear assembled on the upper output shaft or is arranged in a suspended mode; one side of each upper intermediate shaft is in meshed transmission connection with an input shaft gear assembled on the input shaft adjacent to the upper intermediate shaft or in meshed transmission connection with an upper intermediate shaft gear assembled on the upper intermediate shaft adjacent to the upper intermediate shaft, and the other side of each upper intermediate shaft is in meshed transmission connection with an upper output shaft gear assembled on the upper output shaft adjacent to the upper intermediate shaft or in meshed transmission connection with an upper intermediate shaft gear assembled on the upper intermediate shaft adjacent to the upper intermediate shaft; the input end and the output end of each upper output shaft are respectively connected with the corresponding upper output box body in a rotating fit mode through at least one upper output shaft bearing which is sleeved on each upper output shaft, the input end of each upper output shaft penetrates through the corresponding upper output box body and is hidden in the upper output box body through an upper output shaft end cover, and the output end penetrates through the corresponding upper output box body and extends out of the upper output box body; the input end and the output end of each upper intermediate shaft are respectively connected with the corresponding upper output box body in a rotating fit mode through at least one upper intermediate shaft bearing which is respectively sleeved on the input end and the output end of each upper intermediate shaft, and the input end and the output end of each upper intermediate shaft penetrate through the corresponding upper output box body and are respectively hidden in the upper output box body through an upper intermediate shaft end cover.

Among the above-mentioned technical scheme still wear to be equipped with at least one sixth shift fork subassembly in the last output box, every sixth shift fork subassembly corresponds the last jackshaft gear looks joint cooperation that is equipped with on one last jackshaft or cooperates with the last output shaft gear looks joint that is equipped with on one last output shaft.

Compared with the prior art, the utility model has the advantages that: (1) the installation is convenient, the universality is strong, and the application range is wide; (2) the working performance is good, the stability is high, and the service life is long; (3) the cost can be greatly reduced, the dead weight of the chassis is reduced, and an auxiliary engine is not needed during loading, so that the running stability of the vehicle is greatly improved, the energy is saved, the exhaust emission is reduced, and the vehicle is convenient to modify and maintain; (4) the power output form of the upper side, the left side and the right side is adopted, so that the maintenance and the repair of a high-pressure pump and a water circulating pump are facilitated, the utilization space of a vehicle chassis and the volume of a water tank are increased, and the water tank is convenient to manufacture.

Drawings

Fig. 1 is a front view of a first embodiment of the present invention;

fig. 2 is a front view of a second embodiment of the present invention;

fig. 3 is a front view of a third embodiment of the present invention;

FIG. 4 is a schematic view of the internal structure of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of the first embodiment of the second embodiment of;

FIG. 5 is a schematic view of the internal structure of the first embodiment of the present invention showing the connection of the left and right output structures to the disconnect transfer case;

FIG. 6 is a schematic view showing the internal structure of the third embodiment in which the left and right output structures are connected to the split-shaft transfer case;

FIG. 7 is a schematic diagram showing an internal structure of an upper output structure in the first embodiment;

FIG. 8 is a schematic diagram showing an internal structure of an upper output structure in the second embodiment;

FIG. 9 is a schematic diagram showing an internal structure of an upper output structure in the third embodiment;

FIG. 10 is a schematic diagram showing an internal structure of an upper output structure in the fourth embodiment;

fig. 11 is a schematic diagram of an internal structure of an upper output structure in a fifth embodiment of the present invention;

fig. 12 is an internal structural view of a left output structure in a sixth embodiment of the present invention;

fig. 13 is a schematic diagram of an internal structure of a left output structure in a seventh embodiment of the present invention;

fig. 14 is a schematic diagram of an internal structure of a left output structure in an eighth embodiment of the present invention;

fig. 15 is a schematic diagram of an internal structure of a left output structure in a ninth embodiment of the present invention;

fig. 16 is an internal structural view of a left output structure in a tenth embodiment of the present invention;

fig. 17 is an internal structural view of a left output structure in an eleventh embodiment of the present invention;

fig. 18 is an internal structural view of a left output structure in a twelfth embodiment of the present invention;

fig. 19 is a schematic diagram illustrating an internal structure of a right detachable output structure according to a thirteenth embodiment of the present invention;

fig. 20 is a schematic diagram illustrating an internal structure of a right detachable output structure in a fourteenth embodiment of the present invention;

fig. 21 is a schematic diagram illustrating an internal structure of a right detachable output structure in a fifteenth embodiment of the present invention;

fig. 22 is a schematic diagram illustrating an internal structure of a right-side detachable output structure according to a sixteenth embodiment of the present invention;

fig. 23 is a schematic diagram of an internal structure of a right-side detachable output structure in a seventeenth embodiment of the present invention;

fig. 24 is a schematic view of an internal structure of a right-side detachable output structure in an eighteenth embodiment of the present invention;

fig. 25 is a schematic diagram of an internal structure of a right-side detachable output structure in a nineteenth embodiment of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, a first embodiment of the novel detachable broken shaft transfer case provided by the present invention specifically includes a broken shaft transfer case 100, a first detachable output structure 200 is connected to the left side of the broken shaft transfer case 100, a second detachable output structure 300 is connected to the right side of the broken shaft transfer case, and an upper output structure 400 is connected to the upper portion of the broken shaft transfer case; and the first detachable output structure 200, the second detachable output structure 300 and the upper output structure 400 are connected with the power transmission assembly penetrating through the broken shaft transfer case 100 in a transmission matching manner.

Specifically, in the present embodiment, referring to fig. 4, the power transmission assembly disposed in the disconnect-axle transfer case 100 specifically includes an input shaft 101 rotatably disposed in the disconnect-axle transfer case 100, a first intermediate shaft 102 rotatably disposed in the disconnect-axle transfer case 100, and a second intermediate shaft 103 rotatably disposed in the disconnect-axle transfer case 100; an input shaft gear 101a is mounted on the input shaft 101, a first intermediate shaft gear 102a is mounted on the first intermediate shaft 102, and a second intermediate shaft gear 103a is mounted on the second intermediate shaft 103; wherein, the left side of the input shaft 101 is in meshed transmission connection with a first intermediate shaft gear 102a assembled on a first intermediate shaft 102 through an input shaft gear 101a assembled thereon, and the right side is in meshed transmission connection with a second intermediate shaft gear 103a assembled on a second intermediate shaft 103 through an input shaft gear 101a assembled thereon; the right side of the first intermediate shaft 102 is in meshing transmission connection with an input shaft gear 101a assembled on the input shaft 101 through a first intermediate shaft gear 102a assembled on the first intermediate shaft, and the left side of the first intermediate shaft 102 is in meshing transmission connection with the first detachable output structure 200 through a first intermediate shaft gear 102a assembled on the first intermediate shaft; the left side of the second intermediate shaft 103 is in meshed transmission connection with an input shaft gear 101a assembled on the input shaft 101 through a second intermediate shaft gear 103a assembled thereon, and the right side is in meshed transmission connection with the second detachable output structure 3000 through a second intermediate shaft gear 103a assembled thereon.

Specifically, in the present embodiment, referring to fig. 4, an input shaft bearing 101b is sleeved on the input end of the input shaft 101, and two input shaft bearings 101b are sleeved on the output end; a first intermediate shaft bearing 102b is respectively sleeved on the input end and the output end of the first intermediate shaft 102; a second intermediate shaft bearing 103b is respectively sleeved on the input end and the output end of the second intermediate shaft 103; during assembly, the input end of the input shaft 101 is correspondingly connected with the broken shaft transfer case 100 in a rotating fit manner through one input shaft bearing 101b sleeved on the input shaft, the output end of the input shaft 101 is correspondingly connected with the broken shaft transfer case 100 in a rotating fit manner through two input shaft bearings 101b sleeved on the output shaft, and the input end and the output end of the input shaft 101 penetrate through the broken shaft transfer case 100 and extend out of the broken shaft transfer case 100; the input end and the output end of the first intermediate shaft 102 are correspondingly and cooperatively connected with the broken shaft transfer case 100 in a rotating way through a first intermediate shaft bearing 102b which is sleeved on the first intermediate shaft 102, and the input end and the output end of the first intermediate shaft 102 penetrate through the broken shaft transfer case 100 and are hidden in the broken shaft transfer case 100 through a first intermediate shaft end cover 102 c; the input end and the output end of the second intermediate shaft 103 are correspondingly and cooperatively connected with the broken shaft transfer case 100 in a rotating way through a second intermediate shaft bearing 103b which is respectively sleeved on the input end and the output end of the second intermediate shaft 103, and the input end and the output end of the second intermediate shaft 103 penetrate through the broken shaft transfer case 100 and are respectively hidden in the broken shaft transfer case 100 through a second intermediate shaft end cover 103 c.

Specifically, in the present embodiment, referring to fig. 4, the first detachable output structure 200 includes a first output box 201 integrally connected to the disconnected-shaft transfer box 100, a second output box 202 detachably connected to the first output box 201, a first intermediate transfer shaft 204 having one end penetrating the first output box 201 and the other end penetrating the second output box 202, a first transfer shaft 203 penetrating the first output box 201, a second transfer shaft 205 penetrating the second output box 202, and a first output shaft 206; a first transfer shaft gear 203a is also fitted on the first transfer shaft 203; a first intermediate transfer shaft gear a204a is further assembled on one end of the first intermediate transfer shaft 204 penetrating into the first output box 201; a first intermediate transfer shaft gear B204B is further mounted on one end of the first intermediate transfer shaft 204 penetrating into the second output case 202; a second transfer shaft gear 205a is also fitted on the second transfer shaft 205; a first output shaft gear 206a is also fitted on the first output shaft 206; the right side of the first transfer shaft 203 is in meshed transmission connection with a first intermediate shaft gear 102a assembled on the first intermediate shaft 102 through a first transfer shaft gear 203a assembled on the right side of the first transfer shaft, and the left side of the first transfer shaft is in meshed transmission connection with a first intermediate transfer shaft gear A204a assembled on the input end of the first intermediate transfer shaft 204; the input end (i.e. the end penetrating into the first output box 201) of the first intermediate transfer shaft 204 is in meshing transmission connection with a first transfer shaft gear 203a assembled on the first transfer shaft 203 through a first intermediate transfer shaft gear A204a assembled thereon, and the output end (i.e. the end penetrating into the second output box 202) is in meshing transmission connection with a second transfer shaft gear 205a assembled on the second transfer shaft 205 through a first intermediate transfer shaft gear B204B assembled thereon; the right side of the second transfer shaft 205 is in meshing transmission connection with a second transfer shaft gear 205a mounted thereon and a first intermediate transfer shaft gear B204B mounted on the output end of the first intermediate transfer shaft 204, and the left side is in meshing transmission connection with a first output shaft gear 206a mounted on the first output shaft 206.

Specifically, in the present embodiment, referring to fig. 4, a first transfer shaft bearing 203b is respectively sleeved on the input end and the output end of the first transfer shaft 203; two first intermediate adapter shaft bearings 204c are respectively sleeved on the input end and the output end of the first intermediate adapter shaft 204; a second adapter shaft bearing 205b is respectively sleeved on the input end and the output end of the second adapter shaft 205; a first output shaft bearing 206b is sleeved on the input end and the output end of the first output shaft 206; during assembly, the input end and the output end of the first transfer shaft 203 are respectively connected with the first output box 201 in a rotating fit manner through a first transfer shaft bearing 203b which is respectively assembled on the input end and the output end of the first transfer shaft 203, penetrate through the first output box 201 and are respectively hidden in the first output box 201 through a first transfer shaft end cover 203 c; the input end and the output end of the second transfer shaft 205 are respectively connected with the second output box 202 in a rotating fit manner through a second transfer shaft bearing 205b which is respectively assembled on the input end and the output end of the second transfer shaft 205, and the input end and the output end of the second transfer shaft 205 penetrate through the second output box 202 and are respectively hidden in the second output box 202 through a second transfer shaft end cover 205 c; the input end and the output end of the first intermediate transfer shaft 204 are respectively connected with the first output box 201 and the second output box 202 in a rotating fit manner through two first intermediate transfer shaft bearings 204c which are respectively assembled on the first intermediate transfer shaft, the input end of the first intermediate transfer shaft 204 penetrates through the first output box 201 and is hidden in the first output box 201 through a first intermediate transfer shaft end cover 204d, and the output end of the first intermediate transfer shaft 204 penetrates through the second output box 202 and is hidden in the second output box 202 through a first intermediate transfer shaft end cover 204 d; the input end and the output end of the first output shaft 206 are respectively connected with the second output box 202 in a rotating fit manner through a first output shaft bearing 206b respectively assembled on the first output shaft, the input end of the first output shaft 206 penetrates through the second output box 202 and is hidden in the second output box 202 through a first output shaft end cover 206c, and the output end penetrates through the second output box 202 and extends out of the second output box 202.

Specifically, in the present embodiment, referring to fig. 4, the second detachable output structure 300 includes a third output box 301 connected to the disconnect-shaft transfer box 100 in a connected manner, a fourth output box 302 detachably connected to the third output box 301, a third transfer shaft 303 penetrating through the third output box 301, a second intermediate transfer shaft 304 having one end penetrating through the third output box 301 and the other end penetrating through the fourth output box 302, and a second output shaft 305 penetrating through the fourth output box 302; a third transfer shaft gear 303a is also fitted on the third transfer shaft 303; a second intermediate coupling shaft gear a304a is further mounted on an end of the second intermediate coupling shaft 304 inserted into the third output casing 301, and a second intermediate coupling shaft gear B304B is further mounted on an end of the second intermediate coupling shaft 304 inserted into the fourth output casing 302; a second output shaft gear 305a is also fitted on the second output shaft 305; the left side of the third transfer shaft 303 is in meshing transmission connection with a second intermediate shaft gear 103a assembled on the second intermediate shaft 103 through a third transfer shaft gear 303a assembled on the left side of the third transfer shaft 303, and is in meshing transmission connection with a second intermediate transfer shaft gear A304a assembled on the input end of the second intermediate transfer shaft 304; the input end (i.e. the end penetrating the third output housing 301) of the second intermediate transfer shaft 304 is in meshing transmission connection with a third transfer shaft gear 303a assembled on the third transfer shaft 303 through a second intermediate transfer shaft gear a304a assembled thereon, and the output end (i.e. the end penetrating the fourth output housing 302) is in meshing transmission connection with a second output shaft gear 305a assembled on the second output shaft 305 through a second intermediate transfer shaft gear B304B assembled thereon.

Specifically, in the present embodiment, referring to fig. 4, a third adapter shaft bearing 303b is respectively sleeved on the input end and the output end of the third adapter shaft 303; two second intermediate transfer shaft bearings 304c are respectively sleeved on the input end and the output end of the second intermediate transfer shaft 304; a second output shaft bearing 305b is sleeved on the input end and the output end of the second output shaft 305; during assembly, the input end and the output end of the third transfer shaft 303 are respectively connected with the third output box 301 in a rotating fit manner through a third transfer shaft bearing 303b which is respectively assembled on the input end and the output end of the third transfer shaft 303, and the input end and the output end of the third transfer shaft 303 penetrate through the third output box 301 and are respectively hidden in the third output box 301 through a third transfer shaft end cover 303 c; the input end and the output end of the second intermediate transfer shaft 304 are respectively connected with the third output box body 301 and the fourth output box body 302 in a rotating fit manner through two second intermediate transfer shaft bearings 304c respectively assembled on the second intermediate transfer shaft, the input end of the second intermediate transfer shaft 304 penetrates through the third output box body 301 and is hidden in the third output box body 301 through a second intermediate transfer shaft end cover 304d, and the output end penetrates through the fourth output box body 302 and extends out of the fourth output box body 302; the input end and the output end of the second output shaft 305 are connected with the fourth output box 302 in a rotation fit manner through a second output shaft bearing 305b respectively assembled thereon, the input end of the second output shaft 305 penetrates through the fourth output box 302 and is connected with a pressure oil inlet 305c, and the output end penetrates through the fourth output box 302 and extends to the outside of the fourth output box 302.

Specifically, in the present embodiment, referring to fig. 7, the upper output structure 400 includes an upper output case 401 connected to the disconnect transfer case 100 in an integral or detachable manner, and an upper output shaft 402 inserted into the upper output case 401; an upper output shaft gear 402a is fitted on the upper output shaft 402; an upper output shaft bearing 402b is respectively sleeved on the input end and the output end of the upper output shaft 402; the upper output shaft 02 is in meshed transmission connection with an input shaft gear 101a assembled on an input shaft 101 in the broken shaft transfer case 100 through an upper output shaft gear 402a assembled on the upper output shaft; the input end and the output end of the upper output shaft 402 are respectively connected with the upper output box 401 in a rotating fit manner through an upper output shaft bearing 402b which is sleeved on the upper output shaft 402, the input end of the upper output shaft 402 penetrates through the upper output box 401 and is hidden in the upper output box 401 through an upper output shaft end cover 402c, and the output end penetrates through the upper output box 401 and extends out of the upper output box 401.

More specifically, in the present embodiment, referring to fig. 4, a first shift fork assembly 104 is further disposed in the disconnect transfer case 100, and the first shift fork assembly 104 is disposed at the right side of the input shaft 101 and is engaged with a shift sliding sleeve 101c fitted over the input shaft 101; a second gear-engaging fork assembly 207 is further arranged in the first output box 201 in a penetrating manner, and the second gear-engaging fork assembly 207 is correspondingly matched with a first transfer shaft gear 203a assembled on the first transfer shaft 203 in a clamping manner; a fourth shift fork assembly 306 is further disposed in the third output box 301, and the fourth shift fork assembly 304 is correspondingly engaged with a third transfer shaft gear 303a mounted on the third transfer shaft 303.

More specifically, in the present embodiment, referring to fig. 4 and 7, the input shaft gear 101a and the input shaft 101, the first intermediate shaft gear 102a and the first intermediate shaft 102, the second intermediate shaft gear 103a and the second intermediate shaft 103, the first intermediate transfer shaft gear a204a, the first intermediate transfer shaft gear B204B and the first intermediate transfer shaft 204, the second transfer shaft gear 205a and the second transfer shaft 205, the first output shaft gear 206a and the first output shaft 206, the second intermediate transfer shaft gear a304a, the second intermediate transfer shaft gear B304B and the second intermediate transfer shaft 304, the second output shaft gear 305a and the second output shaft 305, and the upper output shaft gear 402a and the upper output shaft 402 are all fixedly connected (for example, spline connection); the first transfer shaft gear 203a and the first transfer shaft 203, and the third transfer shaft gear 303a and the third transfer shaft 303 are connected in a sliding fit manner; in the present embodiment, the input shaft gear 101a is in constant mesh with the first intermediate shaft gear 102a and the second intermediate shaft gear 103a, the first intermediate shaft gear 102a is in constant mesh with the first transfer shaft gear 203a, the first intermediate transfer shaft gear B204B is in constant mesh with the second transfer shaft gear 205a, the second transfer shaft gear 205a is in constant mesh with the first output shaft gear 206a, the second intermediate transfer shaft gear a304a is in constant mesh with the third transfer shaft gear 303a, and the second intermediate transfer shaft gear B304B is in constant mesh with the second output shaft gear 305 a; the first transfer shaft gear 203a and the first intermediate transfer shaft gear a204a are engaged by being pushed by the second shift fork assembly 207, so that the power of the input shaft 101 is finally transmitted to the first output shaft 206; the third transfer shaft gear 303a and the second intermediate shaft gear 103a are engaged by being pushed by the fourth shift fork assembly 306, so that the power of the input shaft 101 is finally transmitted to the second intermediate shaft 304 and the second output shaft 305.

Referring to fig. 2, fig. 5 and fig. 8, in order to provide the second embodiment of the novel detachable disconnected axle transfer case of the present invention, it is different from the first embodiment in that: two input shaft bearings 101b are sleeved on the input end of the input shaft 101, and one input shaft bearing 101b is sleeved on the output end; the upper output structure 400 further comprises an upper intermediate shaft 403 penetrating the upper output box 401, and an upper intermediate shaft gear 403a is further assembled on the upper intermediate shaft 403; an upper intermediate shaft bearing 403b is respectively sleeved on the input end and the output end of the upper intermediate shaft 403; wherein, the upper intermediate shaft gear 403a assembled on the upper intermediate shaft 403 is respectively meshed with the input shaft gear 101a assembled on the input shaft 101 in the broken shaft transfer case 100 and the upper output shaft gear 402a assembled on the upper output shaft 402 for transmission connection; the input end and the output end of the upper intermediate shaft 403 are respectively connected with the upper output box body 401 through an upper intermediate shaft bearing 403b which is sleeved on the upper intermediate shaft, and the input end and the output end of the upper intermediate shaft 403 penetrate through the upper output box body 401 and are respectively hidden in the upper output box body 401 through an upper intermediate shaft end cover 403 c. More specifically, in the present embodiment, the upper output shaft gear 402a and the upper output shaft 402, and the upper intermediate shaft gear 403a and the upper intermediate shaft 403 are fixedly connected (e.g., keyed connection), and the upper intermediate shaft gear 403a is in constant mesh with the input shaft gear 101a and the upper output shaft gear 402 a.

Referring to fig. 3, fig. 6 and fig. 9, in order to provide the third embodiment of the novel detachable disconnected axle transfer case of the present invention, the difference between the third embodiment and the detachable disconnected axle transfer case lies in: two input shaft bearings 101b are sleeved on the input end and the output end of the input shaft 101; a fifth gear shift fork assembly 404 is arranged in the upper output box 401 in a penetrating manner, and the fifth gear shift fork assembly 404 is in clamping fit with the upper countershaft gear 403 a; the upper intermediate shaft gear 403a is connected with the upper intermediate shaft 403 in a sliding fit manner; the upper intermediate shaft gear 403a is in constant mesh with the input shaft gear 101a, and is in mesh with the upper output shaft gear 402a by the urging of the fifth shift fork assembly 404.

Referring to fig. 10, in order to provide the fourth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference from the first embodiment lies in: a first power output device 500 is connected to the output end of the upper output shaft 402, and the first power output device 500 comprises a first power output shaft 501, a first sliding gear sleeve 502 and a first shifting fork 503; wherein, the first sliding gear sleeve 502 is sleeved on the first power output shaft 501, and the first shifting fork 503 is in clamping fit with the first sliding gear sleeve 502; when the power output device is used, the first shifting fork 503 drives the first power output shaft 501 to be combined with the upper output shaft 402 by pushing the first sliding gear sleeve 502, so that power output is realized.

Referring to fig. 11, for the fifth embodiment of the novel detachable broken shaft transfer case provided by the present invention, it is different from the first embodiment in that: in the first detachable output structure 200, the first transfer shaft gear 203a is in constant mesh with the first intermediate transfer shaft gear 204a, and is engaged with the first intermediate shaft gear 102a by the pushing of the second shift fork assembly 207.

Referring to fig. 12, in order to provide a sixth embodiment of the novel detachable broken shaft transfer case, the difference from the first embodiment lies in: in the first detachable output structure 200, the second shift fork assembly 207 is engaged with the first intermediate spindle gear 204a fitted on the input end of the intermediate spindle 204; the first intermediate transfer shaft gear 204a is connected with the intermediate transfer shaft 204 in a sliding fit manner; the first transfer shaft gear 203a is fixedly connected with the first transfer shaft 203; the first intermediate transfer shaft gear 204a is engaged with the first transfer shaft gear 203a by the urging of the second shift fork assembly 207.

Referring to fig. 13, in order to provide the seventh embodiment of the novel detachable broken shaft transfer case of the present invention, the difference from the first embodiment lies in: in the first detachable output structure 200, a third shift fork assembly 208 is further inserted into the second output box 202, and the third shift fork assembly 208 is correspondingly engaged with a second intermediate transfer shaft gear 204b assembled on the output end of the intermediate transfer shaft 204; the second intermediate transfer shaft gear 204b is connected with the intermediate transfer shaft 20 in a sliding fit manner; the second intermediate transfer shaft gear 204b is engaged with the second transfer shaft gear 205a by the urging of the third shift fork assembly 208.

Referring to fig. 14, in order to provide the eighth embodiment of the novel detachable broken shaft transfer case of the present invention, it is different from the first embodiment in that: in the first detachable output structure 200, a first intermediate transfer shaft synchronizing gear sleeve 204e is assembled on the input end of the intermediate transfer shaft 204, and the first intermediate transfer shaft synchronizing gear sleeve 204e is correspondingly engaged with the second shift fork assembly 207 and fixedly connected with the first intermediate transfer shaft gear 204a and the intermediate transfer shaft 204; and the first intermediate transfer shaft gear 204a is rotationally coupled to the intermediate transfer shaft 204.

Referring to fig. 15, in order to provide the ninth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference from the first embodiment lies in: in the first detachable output structure 200, a second intermediate transfer shaft synchronizing gear sleeve 204f is assembled on the output end of the intermediate transfer shaft 204, and the second intermediate transfer shaft synchronizing gear sleeve 204f is respectively and correspondingly engaged with the third gear shift fork assembly 208 and fixedly connected with the second intermediate transfer shaft gear 204b and the intermediate transfer shaft 204 b; and the second intermediate transfer shaft gear 204b is in rotational engagement with the intermediate transfer shaft 204.

Referring to fig. 16, in order to provide the tenth embodiment of the novel detachable broken shaft transfer case of the present invention, it is different from the first embodiment in that: in the first detachable output structure 200, a third shift fork assembly 208 is inserted into the second output box 202, and the third shift fork assembly 208 is correspondingly engaged with a second transfer shaft gear 205a assembled on the second transfer shaft 205; the second adapter shaft gear 205a is connected with the second adapter shaft 205 in a sliding fit manner; the second transfer shaft gear 205a is engaged with the second intermediate transfer shaft gear 204b by the urging of the third shift fork assembly 208.

Referring to fig. 17, for the eleventh embodiment of the novel detachable broken shaft transfer case provided by the present invention, it is different from the first embodiment in that: in the first detachable output structure 200, in the detachable output structure 200, a third shift fork assembly 208 is inserted into the second output box 202, and the third shift fork assembly 208 is correspondingly engaged with a first output shaft gear 206a assembled on the first output shaft 206; the first output shaft gear 206a is connected with the first output shaft 206 in a sliding fit manner; the first output shaft gear 206a is engaged with the second transfer shaft gear 205a by the urging of the third shift fork assembly 208.

Referring to fig. 18, in order to provide a twelfth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference from the first embodiment lies in: in the first detachable output structure 200, a second power output device 600 is connected to the output end of the first output shaft 206, and the second power output device 600 includes a second power output shaft 601, a second sliding gear sleeve 602 and a second shifting fork 603; the second sliding gear sleeve 602 is sleeved on the second power output shaft 601, and the second shifting fork 603 is in clamping fit with the second sliding gear sleeve 602; when the power output device is used, the second shifting fork 603 drives the second power output shaft 601 to be combined with the first output shaft 206 by pushing the second sliding gear sleeve 602, so that power output is realized.

Referring to fig. 19, in order to provide the thirteenth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference from the first embodiment lies in: in the second detachable output structure 300, the third transfer shaft gear 303a is engaged with the second intermediate shaft gear 103a in a constant manner, and the second intermediate transfer shaft gear A304a is engaged with the second gear shift fork assembly 207 by pushing the same

Referring to fig. 20, in order to provide the fourteenth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference from the thirteenth embodiment lies in: in the second detachable output structure 300, a second output shaft synchronization gear sleeve 305d is sleeved on the second output shaft 305, and the second output shaft synchronization gear sleeve 305d is fixedly connected with the second output shaft 305 and the second output shaft gear 305a, and the second output shaft gear 305a is rotatably matched with the second output shaft 305.

Referring to fig. 21, in order to provide a fifteenth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference between the fifteenth embodiment and the fourteenth embodiment is: in the second detachable output structure 300, a second intermediate transfer shaft synchronizing gear sleeve 304e is assembled on the output end of the second intermediate transfer shaft 304, and the second intermediate transfer shaft synchronizing gear sleeve 304e is fixedly connected with the output end of the second intermediate transfer shaft 304 and the second intermediate transfer shaft gear B304B; the second intermediate transfer shaft gear B304B is in rotational engagement with the second intermediate transfer shaft 304.

Referring to fig. 22, in order to provide a sixteenth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference between the sixteenth embodiment and the fourteenth embodiment is: in the second detachable output structure 300, a fifth shift fork assembly 307 is further disposed in the fourth output box 302, and the fifth shift fork assembly 307 is correspondingly engaged with the second intermediate transfer shaft gear B304B on the second intermediate transfer shaft 304; the second intermediate transfer shaft gear B304B is a sliding fit with the second intermediate transfer shaft 304, and the second intermediate transfer shaft gear B304B is engaged with the second output shaft gear 305a by the urging of the fifth shift fork assembly 307.

Referring to fig. 23, in order to provide the seventeenth embodiment of the novel detachable broken shaft transfer case of the present invention, the difference from the sixteenth embodiment lies in: in the second detachable output structure 300, a fifth shift fork assembly 307 is further disposed in the fourth output box 302, and the fifth shift fork assembly 307 is correspondingly engaged with the second output shaft gear 305a on the second output shaft 305; a second intermediate transfer shaft synchronizing gear sleeve 304e is assembled on the output end of the second intermediate transfer shaft 304, and the second intermediate transfer shaft synchronizing gear sleeve 304e is fixedly connected with the output end of the second intermediate transfer shaft 304 and the second intermediate transfer shaft gear B304B; the second output shaft gear 305a is in sliding fit with the second output shaft 305, and the second intermediate transfer shaft gear B304B is in rotating fit with the second intermediate transfer shaft 304; engagement between the second output shaft gear 305a and the second intermediate transfer shaft gear B304B is achieved by the urging of the fifth shift fork assembly 307.

Referring to fig. 24, in order to provide the eighteenth embodiment of the novel detachable broken shaft transfer case of the present invention, it is different from the seventeenth embodiment in that: in the second detachable output structure 300, the third transfer shaft gear 303a and the third transfer shaft 303 are fixedly connected, and the third transfer shaft gear 303a is in constant mesh with the second intermediate shaft gear 103a and the second intermediate transfer shaft gear a304 a.

Referring to fig. 25, for the nineteenth embodiment of the novel detachable broken shaft transfer case provided by the present invention, it is different from the eighteenth embodiment in that: in the second detachable output structure 300, a fourth shift fork assembly 306 is inserted into the third output box 301, and the fourth shift fork assembly 306 is correspondingly engaged with the second intermediate transfer shaft gear a304a on the second intermediate transfer shaft 304; the second intermediate transfer shaft gear a304a is a sliding fit with the second intermediate transfer shaft 304, and the second intermediate transfer shaft gear a304a is engaged with the third transfer shaft gear 303a by the urging of the fourth shift fork assembly 306.

In the first to nineteenth embodiments, the number of the first detachable output structure 200, the second detachable output structure 300 and the upper output structure 400 is one, but in practical applications, the number and the positions of the first detachable output structure 200, the second detachable output structure 300 and the upper output structure 400 can be adjusted as required; one or more, the first detachable output structure 200 and the second detachable output structure 300 can be interchanged.

In the first to nineteen embodiments, the number of the input shaft 101, the first intermediate shaft 102 and the second intermediate shaft 103 is one, but in practical application, the number of the input shaft 101, the first intermediate shaft 102 and the second intermediate shaft 103 can be adjusted and increased according to needs; i.e. provided in plurality; when there are a plurality of input shafts 101, first intermediate shafts 102, and second intermediate shafts 103, one side of each input shaft 101 is engaged with the plurality of first intermediate shafts 102, and transmits the power input by the input shaft 101 to the first detachable output structure 200, and the other side of each input shaft 101 is engaged with the plurality of second intermediate shafts 103, and transmits the power input by the input shaft 101 to the second detachable output structure 300.

In the first to nineteenth embodiments, the number of the first transfer shafts 203, the second transfer shafts 205, the first output shafts 206 and the first intermediate transfer shafts 204 in the first detachable output structure 200 is one; however, in practical applications, the first transfer shaft 203, the second transfer shaft 205, and the first output shaft 206 may also be adjusted as needed; i.e. provided in plurality; when there are a plurality of first transfer shafts 203, second transfer shafts 205, and first output shafts 206, the plurality of first transfer shafts 203 are mutually engaged, and the plurality of second transfer shafts 205 are mutually engaged, and the plurality of first output shafts 206 are mutually engaged; therefore, only one of the first transfer shafts 203, the first transfer shafts 203 and the first output shafts 206 needs to be driven to realize linkage of the plurality of first transfer shafts 203, the plurality of second transfer shafts 205 and the plurality of first output shafts 206, and further realize power output.

In the first to nineteenth embodiments, the number of the third transfer shafts 303, the second output shafts 305 and the second intermediate transfer shafts 304 in the second detachable output structure 300 is one; however, in practical applications, the number of the third transfer shaft 303 and the second output shaft 305 may be adjusted as required; i.e. provided in plurality; when the number of the third transfer shafts 303 and the second output shafts 305 is plural, the plural third transfer shafts 303 are engaged with each other; the plurality of second output shafts 305 are also intermeshed with each other; thus, the linkage of the plurality of third transfer shafts 303 and the plurality of second output shafts 305 can be realized only by driving one of the third transfer shafts 303 and the second output shafts 305; thereby realizing power output.

In the utility model, the number of the input shaft bearings 101b at the input end and the output end of the input shaft 101 can be adjusted according to the requirement; for example: one input end is arranged, and two output ends are arranged; or two input ends are arranged, and one output end is arranged; or the input end and the output end are both provided with two or more than two. The number and position of the shift fork assemblies 404 of each gear can also be adjusted according to actual design requirements; not only is: can set up as required and carry out the joint cooperation with different gears to realize different output modes of shifting.

Finally, the above description is only the embodiments of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a novel detachable disconnected axle transfer case, includes disconnected axle transfer case (100), its characterized in that: the left side of the broken shaft transfer case body (100) is connected with at least one first detachable output structure (200); the right side of the broken shaft transfer case body (100) is connected with at least one second detachable output structure (300), the upper portion of the broken shaft transfer case body (100) is connected with at least one upper output structure (400), and each of the first detachable output structure (200), the second detachable output structure (300) and the upper output structure (400) is in transmission fit connection with a power transmission assembly arranged in the broken shaft transfer case body (100) in a penetrating mode.

2. The novel detachable broken shaft transfer case of claim 1, characterized in that: the power transmission assembly comprises at least one input shaft (101), at least one first intermediate shaft (102) and at least one second intermediate shaft (103) which are rotatably arranged in the broken shaft transfer case (100) in a penetrating mode; an input shaft gear (101a) is assembled on each input shaft (101), a first intermediate shaft gear (102a) is assembled on each first intermediate shaft (102), and a second intermediate shaft gear (103a) is assembled on each second intermediate shaft (103);

one side of each input shaft (101) is in meshed transmission connection with a first intermediate shaft gear (102a) assembled on a first intermediate shaft (102) adjacent to and corresponding to the input shaft gear (101a) assembled thereon, and the other side of each input shaft (101) is in meshed transmission connection with a second intermediate shaft gear (103a) assembled on a second intermediate shaft (103) adjacent to and corresponding to the input shaft gear (101a) assembled thereon;

one side of each first intermediate shaft (102) is in meshed transmission connection with an input shaft gear (101a) assembled on the input shaft (101) adjacent to and corresponding to the first intermediate shaft (102) through a first intermediate shaft gear (102a) assembled on the first intermediate shaft (102) or is in meshed transmission connection with a first intermediate shaft gear (102a) assembled on the first intermediate shaft (102) adjacent to and corresponding to the first intermediate shaft (102), and the other side of each first intermediate shaft (102) is in meshed transmission connection with a first detachable output structure (200) adjacent to and corresponding to the first intermediate shaft gear (102a) assembled on the first intermediate shaft (102) adjacent to and corresponding to the first intermediate shaft gear;

one side of each second intermediate shaft (103) is in meshed transmission connection with the input shaft gear (101a) assembled on the input shaft (101) adjacent to and corresponding to the second intermediate shaft gear (103a) assembled on the second intermediate shaft (103) adjacent to and corresponding to the second intermediate shaft gear (103a) assembled on the second intermediate shaft gear (103) adjacent to and corresponding to the second intermediate shaft gear (103a) engaged and transmission connection.

3. The novel detachable broken shaft transfer case of claim 2, characterized in that: at least one input shaft bearing (101b) is sleeved on the input end of each input shaft (101), and at least two input shaft bearings (101b) are sleeved on the output end; during assembly, the input end of each input shaft (101) is correspondingly connected with the broken shaft transfer case body (100) in a rotating fit manner through at least one input shaft bearing (101b) sleeved on the input shaft, the output end of each input shaft (101) is correspondingly connected with the broken shaft transfer case body (100) in a rotating fit manner through at least two input shaft bearings (101b) sleeved on the output shaft, and the input end and the output end of each input shaft (101) penetrate through the broken shaft transfer case body (100) and extend out of the broken shaft transfer case body (100);

at least one first intermediate shaft bearing (102b) is sleeved on the input end and the output end of each first intermediate shaft (102) respectively, and a first intermediate shaft end cover (102c) is assembled on each input end and each output end of each first intermediate shaft (102); during assembly, the input end and the output end of each first intermediate shaft (102) are correspondingly and cooperatively connected with the broken shaft transfer case body (100) in a rotating mode through at least one first intermediate shaft bearing (102b) which is respectively sleeved on the input end and the output end of each first intermediate shaft (102), and the input end and the output end of each first intermediate shaft (102) penetrate through the broken shaft transfer case body (100) and are respectively hidden in the broken shaft transfer case body (100) through a first intermediate shaft end cover (102 c);

at least one second intermediate shaft bearing (103b) is sleeved on the input end and the output end of each second intermediate shaft (103) respectively, and a second intermediate shaft end cover (103c) is assembled on each second intermediate shaft; during assembly, the input end and the output end of each second intermediate shaft (103) are correspondingly and rotatably matched with the broken shaft transfer case body (100) through at least one second intermediate shaft bearing (103b) which is respectively sleeved on the input end and the output end of each second intermediate shaft (103), penetrate through the broken shaft transfer case body (100), and are hidden in the broken shaft transfer case body (100) through a second intermediate shaft end cover (103 c).

4. The novel detachable broken shaft transfer case of claim 2, characterized in that: at least two input shaft bearings (101b) are sleeved on the input end of each input shaft (101), and at least one input shaft bearing (101b) is sleeved on the output end; during assembly, the input end of each input shaft (101) is correspondingly connected with the broken shaft transfer case body (100) in a rotating fit manner through at least two input shaft bearings (101b) sleeved on the input shaft, the output end of each input shaft (101) is correspondingly connected with the broken shaft transfer case body (100) in a rotating fit manner through at least one input shaft bearing (101b) sleeved on the output shaft, and the input end and the output end of each input shaft (101) penetrate through the broken shaft transfer case body (100) and extend out of the broken shaft transfer case body (100);

5. The novel detachable broken shaft transfer case of claim 3 or 4, which is characterized in that: at least one first gear-engaging shifting fork assembly (105) is further arranged in the broken shaft transfer case body (100) in a penetrating mode, and each first gear-engaging shifting fork assembly (105) is correspondingly arranged on one side of one input shaft (101) and is matched with a gear-engaging sliding sleeve (101c) which is sleeved on the input shaft (101) adjacent to and corresponding to the first gear-engaging shifting fork assembly in a clamping mode.

6. The novel detachable broken shaft transfer case of claim 5, characterized in that: each first detachable output structure (200) comprises a first output box body (201) which is connected with the broken shaft transfer box body (100) in an integrated manner, a second output box body (202) which is detachably connected with the first output box body (201), and a first middle transfer shaft (204) one end of which is arranged in the first output box body (201) in a penetrating manner and the other end of which is arranged in the second output box body (202) in a penetrating manner, at least one first switching shaft (203) arranged in the first output box body (201) in a penetrating mode, at least one second switching shaft (205) and at least one first output shaft (206) arranged in the second output box body (202) in a penetrating mode, at least one second gear-engaging fork assembly (207) arranged in the first output box body (201) in a penetrating mode or/and at least one third gear-engaging fork assembly (208) arranged in the second output box body (202) in a penetrating mode;

a first transfer shaft gear (203a) is fitted on each of the first transfer shafts (203); a first intermediate transfer shaft gear A (204a) is assembled at one end of each first intermediate transfer shaft (204) which penetrates through the corresponding first output box body (201); a first intermediate transfer shaft gear B (204B) is assembled at one end of each first intermediate transfer shaft (204) which penetrates through the corresponding second output box body (202); a second transfer shaft gear (205a) is fitted on each of the second transfer shafts (205); a first output shaft gear (206a) is fitted on each of the first output shafts (206);

one side of each first transfer shaft (203) is in meshed transmission connection with a first intermediate shaft gear (102a) assembled on a first intermediate shaft (102) adjacent to and corresponding to the first transfer shaft (203) through a first transfer shaft gear (203a) assembled on the first transfer shaft (203) or is in meshed transmission connection with a first transfer shaft gear (203a) assembled on a first transfer shaft (203) adjacent to and corresponding to the first transfer shaft, and the other side of each first transfer shaft (203) is in meshed transmission connection with a first intermediate transfer shaft gear A (204a) assembled on a first intermediate transfer shaft (204) adjacent to and corresponding to the first transfer shaft (203) adjacent to and corresponding to the first transfer shaft gear A (203a) assembled on the first transfer shaft (203) adjacent to and corresponding to the first transfer shaft;

one end of each first middle transfer shaft (204) penetrating through the corresponding first output box body (201) is in meshed transmission connection with a first transfer shaft gear (203a) assembled on the first middle transfer shaft gear A (204a) adjacent to the first middle transfer shaft (204a) assembled on the first middle transfer shaft, and one end of each first middle transfer shaft (204) penetrating through the corresponding second output box body (202) adjacent to the first middle transfer shaft is in meshed transmission connection with a second transfer shaft gear (205a) assembled on the second transfer shaft (205) adjacent to the first middle transfer shaft gear B (204B) assembled on the first middle transfer shaft gear B;

one side of each second transfer shaft (205) is in meshing transmission connection with a first intermediate transfer shaft gear B (204B) assembled on a first intermediate transfer shaft (204) adjacent to and corresponding to the second transfer shaft gear B through a second transfer shaft gear (205a) assembled on the second transfer shaft (205) or with a second transfer shaft gear (205a) assembled on a second transfer shaft (205) adjacent to and corresponding to the second transfer shaft gear B, and the other side of each second transfer shaft (205) is in meshing transmission connection with a first output shaft gear (206a) assembled on a first output shaft (206) adjacent to and corresponding to the first output shaft gear B or in meshing transmission connection with a second transfer shaft gear (205a) assembled on a second transfer shaft (205) adjacent to and corresponding to the first output shaft gear B;

one side of each first output shaft (206) is in meshed transmission connection with a second switching shaft gear (205a) assembled on a second switching shaft (205) adjacent to and corresponding to the first output shaft (206) through a first output shaft gear (206a) assembled on the first output shaft (206) or in meshed transmission connection with a first output shaft gear (206a) assembled on a first output shaft (206) adjacent to and corresponding to the first output shaft (206), and the other side of each first output shaft (206) is in meshed transmission connection with a first output shaft gear (206a) assembled on a first output shaft (206) adjacent to and corresponding to the first output shaft (206) or is suspended;

each second gear shifting fork assembly (207) is correspondingly matched with a first transfer shaft gear (203a) assembled on one first transfer shaft (203) in a clamping way or matched with a first intermediate transfer shaft gear A (204a) assembled on one first intermediate transfer shaft (204) in a clamping way;

each third gear-shifting fork assembly (208) is correspondingly in clamping fit with a second transfer shaft gear (205a) assembled on a second transfer shaft (205) or a first intermediate transfer shaft gear B (204B) assembled on a first intermediate transfer shaft (204) or a first output shaft gear (206a) assembled on a first output shaft (206);

at least one first coupling shaft bearing (203b) is sleeved on the input end and the output end of each first coupling shaft (203) respectively, and a first coupling shaft end cover (203c) is assembled on each first coupling shaft; during assembly, the input end and the output end of each first transfer shaft (203) are respectively connected with the corresponding first output box body (201) in a rotating fit mode through at least one first transfer shaft bearing (203b) which is respectively assembled on the input end and the output end of each first transfer shaft (203), penetrate through the corresponding first output box body (201) and are respectively hidden in the first output box body (201) through a first transfer shaft end cover (203 c);

at least two first intermediate coupling shaft bearings (204c) and a first intermediate coupling shaft end cover (204d) are respectively sleeved on the input end and the output end of each first intermediate coupling shaft (204); during assembly, the input end and the output end of each first middle transfer shaft (204) are respectively connected with a corresponding first output box body (201) and a corresponding second output box body (202) in a rotating fit manner through at least two first middle transfer shaft bearings (204c) which are respectively assembled on the input end and the output end, the input end of each first middle transfer shaft (204) penetrates through the corresponding first output box body (201) and is hidden in the first output box body (201) through a first middle transfer shaft end cover (204d), and the output end penetrates through the corresponding second output box body (202) and is hidden in the second output box body (202) through a first middle transfer shaft end cover (204 d);

at least one second adapter shaft bearing (205b) is sleeved on the input end and the output end of each second adapter shaft (205) respectively, and a second adapter shaft end cover (205c) is assembled on each second adapter shaft; during assembly, the input end and the output end of each second transfer shaft (205) are connected with the corresponding second output box body (202) in a rotating fit manner through at least one second transfer shaft bearing (205b) which is assembled on the input end and the output end of each second transfer shaft (205), penetrate through the corresponding second output box body (202), and are hidden in the second output box body (202) through a second transfer shaft end cover (205 c);

at least one first output shaft bearing (206b) is sleeved on the input end and the output end of each first output shaft (206); during assembly, the input end and the output end of each first output shaft (206) are connected with the corresponding second output box body (202) in a rotating fit mode through the first output shaft bearing (206b) assembled on the input end and the output end, the input end of each first output shaft (206) penetrates through the corresponding second output box body (202) and is hidden in the second output box body (202) through a first output shaft end cover (206c), and the output end penetrates through the corresponding second output box body (202) and extends out of the second output box body (202).

7. The novel detachable broken shaft transfer case of claim 5, characterized in that: each second detachable output structure (300) comprises a third output box body (301) which is connected with the broken shaft transfer box body (100) in an integrated manner, a fourth output box body (302) which is detachably connected with the third output box body (301), and at least one third transfer shaft (303) which is arranged in the third output box body (301) in a penetrating manner, a second middle transfer shaft (304) with one end penetrating the third output box body (301) and the other end penetrating the fourth output box body (302), at least one second output shaft (305) penetrating the fourth output box body (302), at least one fourth gear-shifting fork assembly (306) penetrating the third output box body (301) or/and at least one fifth gear-shifting fork assembly (307) penetrating the fourth output box body (302);

a third transfer shaft gear (303a) is assembled on each third transfer shaft (303); a second intermediate transfer shaft gear A (304a) is assembled at one end of each second intermediate transfer shaft (304) which penetrates through the corresponding third output box body (301); a second intermediate transfer shaft gear B (304B) is assembled at one end of each second intermediate transfer shaft (304) which penetrates through the corresponding fourth output box body (302); a second output shaft gear (305a) is fitted on each of the second output shafts (305);

one side of each third transfer shaft (303) is in meshed transmission connection with a second intermediate shaft gear (103a) assembled on a second intermediate shaft (103) adjacent and corresponding to the third transfer shaft gear (303a) assembled on the same second intermediate shaft (103) through the third transfer shaft gear (303a) assembled on the third transfer shaft (303) adjacent and corresponding to the third transfer shaft gear (103a) or in meshed transmission connection with a second intermediate transfer shaft gear A (304a) assembled on a second intermediate transfer shaft (304) adjacent and corresponding to the third transfer shaft gear A assembled on the other side of the third transfer shaft (303) adjacent and corresponding to the third transfer shaft gear A;

one end of each second intermediate transfer shaft (304) penetrating through the corresponding third output box body (301) is in meshing transmission connection with a third transfer shaft gear (303a) assembled on the corresponding third transfer shaft (303) adjacent to the corresponding second intermediate transfer shaft gear A (304a) assembled on the second intermediate transfer shaft, and one end of each second intermediate transfer shaft (304) penetrating through the corresponding fourth output box body (302) is in meshing transmission connection with a second output shaft gear (305a) assembled on the corresponding second output shaft (305) adjacent to the corresponding second intermediate transfer shaft gear B (304B) assembled on the second intermediate transfer shaft gear B;

one side of each second output shaft (305) is in meshed transmission connection with a second intermediate transfer shaft gear B (304B) assembled on a second intermediate transfer shaft (304) adjacent to and corresponding to the second output shaft (305) through a second output shaft gear (305a) assembled on the second output shaft (305) or in meshed transmission connection with a second output shaft gear (305a) assembled on a second output shaft (305) adjacent to and corresponding to the second output shaft, and the other side of each second output shaft (305) is in meshed transmission connection or suspended with a second output shaft gear (305a) assembled on a second output shaft (305) adjacent to and corresponding to the second output shaft;

each fourth gear-shifting fork assembly (306) is correspondingly matched with a third transfer shaft gear (303a) assembled on a third transfer shaft (303) in a clamping way or matched with a second intermediate transfer shaft gear A (304a) assembled on a second intermediate transfer shaft (304) in a clamping way;

each fifth gear shifting fork assembly (307) is correspondingly matched with a second intermediate transfer shaft gear B (304B) assembled on a second intermediate transfer shaft (304) in a clamping way or matched with a second output shaft gear (305a) assembled on a second output shaft (305) in a clamping way;

at least one third adapter shaft bearing (303b) is sleeved on the input end and the output end of each third adapter shaft (303) respectively, and a third adapter shaft end cover (303c) is assembled on each third adapter shaft; during assembly, the input end and the output end of each third transfer shaft (303) are respectively connected with the corresponding third output box body (301) in a rotating fit manner through at least one third transfer shaft bearing (303b) which is respectively assembled on the input end and the output end of each third transfer shaft (303), penetrate through the corresponding third output box body (301) and are respectively hidden in the third output box body (301) through a third transfer shaft end cover (303 c);

at least two second intermediate transfer shaft bearings (304c) are respectively sleeved on the input end and the output end of each second intermediate transfer shaft (304); during assembly, the input end and the output end of each second intermediate transfer shaft (304) are respectively connected with a corresponding third output box body (301) and a corresponding fourth output box body (302) in a rotating fit manner through at least two second intermediate transfer shaft bearings (304c) which are respectively assembled on the input end and the output end of each second intermediate transfer shaft (304), the input end of each second intermediate transfer shaft (304) penetrates through the corresponding third output box body (301) and is hidden in the third output box body (301) through a second intermediate transfer shaft end cover (304d), and the output end of each second intermediate transfer shaft (304) penetrates through the corresponding fourth output box body (302) and extends out of the fourth output box body (302) or is hidden in the fourth output box body (302) through a second intermediate transfer shaft end cover (304 d);

at least one second output shaft bearing (305b) is sleeved on the input end and the output end of each second output shaft (305); during assembly, the input end and the output end of each second output shaft (305) are connected with the corresponding fourth output box body (302) in a rotating fit mode through at least one second output shaft bearing (305b) which is assembled on the input end and the output end, the input end of each second output shaft (305) penetrates through the corresponding fourth output box body (302) and is connected with one pressure oil inlet (305c), and the output end penetrates through the corresponding fourth output box body (302) and extends out of the fourth output box body (302).

8. The novel detachable broken shaft transfer case of claim 5, characterized in that: each upper output structure (400) comprises an upper output box body (401) which is connected with the broken shaft transfer box body (100) in a connected or detachable mode and at least one upper output shaft (402) which penetrates through the upper output box body (401); an upper output shaft gear (402a) is assembled on each upper output shaft (402); at least one upper output shaft bearing (402b) is sleeved on the input end and the output end of each upper output shaft (402);

one side of each upper output shaft (402) is in meshed transmission connection with an input shaft gear (101a) assembled on one input shaft (101) in the broken shaft transfer case (100) through an upper output shaft gear (402a) assembled on the upper output shaft (402) or in meshed transmission connection with an upper output shaft gear (402a) assembled on the upper output shaft (402) adjacent to the upper output shaft gear or in suspended arrangement through an upper output shaft gear (402a) assembled on the upper output shaft gear (402) adjacent to the upper output shaft gear (402a) assembled on the other side of the upper output shaft gear;

the input end and the output end of each upper output shaft (402) are respectively connected with the corresponding upper output box body (401) in a rotating fit mode through at least one upper output shaft bearing (402b) which is respectively sleeved on the input end and the output end, the input end of each upper output shaft (402) penetrates through the corresponding upper output box body (401) and is hidden in the upper output box body (401) through an upper output shaft end cover (402c), and the output end penetrates through the corresponding upper output box body (401) and extends out of the upper output box body (401).

9. The novel detachable broken shaft transfer case of claim 5, characterized in that: each upper output structure (400) comprises an upper output box body (401) which is connected with the broken shaft transfer box body (100) in a connected or detachable mode, and at least one upper intermediate shaft (403) and at least one upper output shaft (402) which are arranged in the upper output box body (401) in a penetrating mode; an upper output shaft gear (402a) is assembled on each upper output shaft (402), and an upper intermediate shaft gear (403a) is assembled on each upper intermediate shaft (403); at least one upper output shaft bearing (402b) is sleeved on the input end and the output end of each upper output shaft (402); at least one upper intermediate shaft bearing (403b) is sleeved on the input end and the output end of each upper intermediate shaft (403);

one side of each upper output shaft (402) is in meshed transmission connection with an upper middle shaft gear (403a) assembled on an upper middle shaft (403) adjacent to and corresponding to the upper output shaft (402) through an upper output shaft gear (402a) assembled on the upper output shaft (402) adjacent to and corresponding to the upper output shaft or in meshed transmission connection with an upper output shaft gear (402a) assembled on an upper output shaft (402) adjacent to and corresponding to the upper output shaft through an upper output shaft gear (402a) assembled on the upper output shaft (402) adjacent to and corresponding to the upper output shaft gear (402) assembled on the other side of the upper output shaft (402) is in meshed transmission connection or suspended arrangement;

one side of each upper intermediate shaft (403) is in meshed transmission connection with an input shaft gear (101a) assembled on the input shaft (101) adjacent to the upper intermediate shaft through an upper intermediate shaft gear (403a) assembled on the upper intermediate shaft or is in meshed transmission connection with an upper intermediate shaft gear (403a) assembled on the upper intermediate shaft (403) adjacent to the upper intermediate shaft, and the other side of each upper intermediate shaft (403) is in meshed transmission connection with an upper output shaft gear (402a) assembled on the upper output shaft (402) adjacent to the upper intermediate shaft through an upper intermediate shaft gear (403a) assembled on the upper intermediate shaft (403) adjacent to the upper intermediate shaft or is in meshed transmission connection with an upper intermediate shaft gear (403a) assembled on the upper intermediate shaft (403) adjacent to the upper intermediate shaft;

the input end and the output end of each upper output shaft (402) are respectively connected with the corresponding upper output box body (401) in a rotating fit mode through at least one upper output shaft bearing (402b) which is sleeved on the input end and the output end, the input end of each upper output shaft (402) penetrates through the corresponding upper output box body (401) and is hidden in the upper output box body (401) through an upper output shaft end cover (402c), and the output end penetrates through the corresponding upper output box body (401) and extends out of the upper output box body (401);

the input end and the output end of each upper intermediate shaft (403) are respectively connected with the corresponding upper output box body (401) in a rotating fit mode through at least one upper intermediate shaft bearing (403b) which is respectively sleeved on the input end and the output end of each upper intermediate shaft (403), penetrate through the corresponding upper output box body (401), and are respectively hidden in the upper output box body (401) through an upper intermediate shaft end cover (403 c).

10. The novel detachable broken shaft transfer case of claim 9, characterized in that: at least one sixth gear shifting fork assembly (404) is further arranged in the upper output box body (401) in a penetrating mode, and each sixth gear shifting fork assembly (404) is correspondingly matched with an upper middle shaft gear (403a) assembled on one upper middle shaft (403) in a clamping mode or matched with an upper output shaft gear (402a) assembled on one upper output shaft (402) in a clamping mode.