CN219452817U

CN219452817U - Novel gearbox shell

Info

Publication number: CN219452817U
Application number: CN202320270132.0U
Authority: CN
Inventors: 王鹏阳
Original assignee: Shandong Nongfu Transmission Technology Co ltd
Current assignee: Shandong Nongfu Transmission Technology Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-01
Anticipated expiration: 2033-02-21

Abstract

The utility model provides a novel gearbox shell, which comprises a gearbox body, wherein the gearbox body is a gearbox part and a transfer case part which are integrally or separately designed, and the bottoms of the gearbox part and the transfer case part are respectively provided with an assembly cavity which expands downwards. The utility model has the advantages that the shaft hole of the operation output shaft is arranged at the bottommost part of the gearbox in the design structure, the step at the bottom of the gearbox extends forwards in structural view, the cavity formed after the extension is used for installing the operation output shaft, the smaller volume is increased, the consumption of lubricating oil can be relatively reduced, and the use cost is reduced.

Description

Novel gearbox shell

Technical Field

The utility model relates to the technical field of mechanical transmission, in particular to a novel gearbox shell.

Background

The publication number of the transmission box of the novel tractor transmission box is CN209990877U, the publication number of the transmission box of the novel tractor is CN306893735S, the appearance design patent of the transmission box is 2021, and each transmission shaft of the transmission box is sequentially provided with a working output shaft, a driving shaft connected with an engine, a built-in speed changing shaft for speed changing and a walking output shaft for walking from top to bottom, and the shafts are also matched with shaft holes for installing the transmission shafts in the transmission box.

Based on the mechanism, the position of the bottom of the gearbox, where the basin teeth are arranged, is provided with a downward protruding structure, is similar to the step which is provided with a downward protruding step, and in actual use, in order to ensure that each transmission shaft in the gearbox can be lubricated and radiated, the lubricating oil level in the gearbox needs to be contacted with the operation output shaft positioned at the highest position, and even the other needs to submerge the operation output shaft, so that the lubricating oil consumption in the gearbox is more.

In order to better save the use cost, reduce the consumption of lubricating oil, particularly, the gearbox shell with a novel structure is newly arranged and the patent protection is carried out.

Disclosure of Invention

The utility model aims to solve the technical problem of the prior art, and provides a novel gearbox shell, wherein a shaft hole of a working output shaft is arranged at the bottommost part of the gearbox in the design structure of the shell, steps at the bottom of the gearbox are extended forwards from the structure, and a cavity formed after extension is used for installing the working output shaft, so that the small volume is increased, the consumption of lubricating oil can be relatively reduced, and the use cost is reduced.

The technical scheme is that the novel gearbox housing comprises a gearbox body, wherein the gearbox body is a gearbox part and a transfer case part which are integrally or separately designed, and the bottoms of the gearbox part and the transfer case part are respectively provided with an assembly cavity which expands downwards.

Preferably, a plurality of supporting partition plates for installing shafts are arranged in the gearbox body, a plurality of overflow holes are formed in the supporting partition plates, and the height of the supporting partition plates is lower than that of the side wall of the gearbox.

Preferably, the gearbox body is provided with a mounting shaft hole for mounting the transmission shaft, and the mounting shaft hole is a driving shaft mounting hole connected with the engine, a built-in speed change shaft mounting hole for speed change, a traveling output shaft mounting hole for traveling and an output shaft mounting hole for operation from top to bottom in sequence.

Preferably, a mounting shaft hole for mounting the work output shaft is formed in the mounting chamber of the transmission part.

Preferably, a large basin tooth mounting part for mounting the power transmission is arranged on the assembling cavity of the transfer case part.

Preferably, the gearbox housing comprises a side wall, a floor and a removable upper cover plate.

Preferably, the front end of the gearbox body is provided with a connecting shell connected with the engine, the connecting shell and the gearbox part are of an integrated structure or a split structure, the connecting shell is provided with a plurality of process holes, and the chambers in the connecting shell are independently arranged.

Preferably, the side wall of the transfer case part is also provided with a traveling shaft hole, and two transfer case parts are symmetrically arranged.

Preferably, the transmission part and the transfer case part are provided with a downward-extending assembly cavity at the bottom to form a plane structure.

Preferably, the side wall of the gearbox body is also provided with a parking electronic brake mounting hole penetrating through the side wall.

The technical scheme has the following effects: the prior application only sets up the assembly cavity that expands downwards in transfer case bottom, if need carry out the soaking of lubricating oil with the operation output shaft at top, need all rise the liquid level of lubricating oil simultaneously in whole gearbox upper portion from front to back, use the quantity of lubricating oil more, the scheme utilizes the assembly cavity that sets up also is equipped with the expansion downwards in gearbox part on this machine, only need increase the lubricating oil quantity of the expansion cavity downwards of gearbox part liquid level, the oil consumption relatively reduces to use cost has been reduced.

Drawings

FIG. 1 is a schematic structural view of a novel transmission housing.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic perspective view of fig. 1.

Detailed Description

For convenience of explanation, a novel transmission housing of the utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the novel gearbox housing comprises a gearbox housing 1, wherein the gearbox housing 1 is a gearbox part 1.1 and a transfer case part 1.2 which are integrally or separately designed, and the bottoms of the gearbox part 1.1 and the transfer case part 1.2 are respectively provided with a downward expansion assembly chamber 2; the inside of the gearbox body 1 is provided with a plurality of supporting partition plates 3 for installing shafts, the supporting partition plates 3 are also provided with holes for installing transmission shafts, the supporting partition plates 3 are provided with a plurality of overflow holes, and mainly for the circulation flow of lubricating oil in the gearbox body, because the view angle cannot be embodied, the view angle is a through hole penetrating through the supporting partition plates 3, and the height of the supporting partition plates 3 is lower than the height of the side wall of the gearbox; the transmission box body 1 is provided with a mounting shaft hole for mounting a transmission shaft, wherein the mounting shaft hole is provided with a driving shaft mounting hole 4.1 connected with an engine, a built-in speed change shaft mounting hole 4.2 for speed change, a traveling output shaft mounting hole 4.3 for traveling and an output shaft mounting hole 4.4 for operation in sequence from top to bottom; the output shaft mounting hole 4.4 for work is located on the assembly chamber 2 of the gearbox part 1.1; the assembling chamber 2 positioned in the transfer case part 1.2 is provided with a large basin tooth mounting part 5 for mounting power transmission; the gearbox body 1 comprises a side wall, a bottom plate and a detachable upper cover plate, and the upper cover plate is omitted and is not shown in order to embody an internal structure, namely a sealing cover; the front end of the gearbox body 1 is provided with a connecting shell 6 connected with an engine, the connecting shell 6 and the gearbox part 1.1 are of an integrated structure or a split structure, the connecting shell 6 is provided with a plurality of process holes 7, and chambers in the connecting shell 6 are independently arranged; the side wall of the transfer case part 1.2 is also provided with a traveling shaft hole 8, and two transfer case parts are symmetrically arranged; the bottoms of the gearbox part 1.1 and the transfer case part 1.2 are provided with a downward-expanding assembly cavity 2 to form a plane structure; the side wall of the gearbox body 1 is also provided with a parking electronic brake mounting hole 9 penetrating through the side wall.

While the foregoing embodiments have been described with respect to the preferred embodiments of the present utility model, it will be apparent that many variations are possible in the inventive concepts herein, and it should be understood that any variations that fall within the inventive concepts herein are intended to be within the scope of the utility model.

Claims

1. A novel gearbox shell is characterized in that: the automatic transmission comprises a transmission body (1), wherein the transmission body (1) is a transmission part (1.1) and a transfer case part (1.2) which are designed in an integral or split structure, and the bottoms of the transmission part (1.1) and the transfer case part (1.2) are respectively provided with an assembly cavity (2) which is expanded downwards.

2. A novel transmission housing as claimed in claim 1, wherein: the gearbox is characterized in that a plurality of supporting partition plates (3) used for installing shafts are arranged inside the gearbox body (1), a plurality of overflow holes are formed in the supporting partition plates (3), and the height of the supporting partition plates (3) is lower than that of the side wall of the gearbox.

3. A novel gearbox housing according to claim 1 or 2, characterized in that: the transmission box is characterized in that a mounting shaft hole for mounting a transmission shaft is formed in the transmission box body (1), and the mounting shaft hole is a driving shaft mounting hole (4.1) connected with an engine, a built-in speed change shaft mounting hole (4.2) for speed change, a traveling output shaft mounting hole (4.3) for traveling crane and an output shaft mounting hole (4.4) for operation from top to bottom in sequence.

4. A novel transmission housing as claimed in claim 3, wherein: the output shaft mounting hole (4.4) for work is located on the assembly chamber (2) of the gearbox part (1.1).

5. A novel transmission housing as claimed in claim 1, wherein: and a large basin tooth installation part (5) for installing power transmission is arranged on the assembly chamber (2) positioned on the transfer case part (1.2).

6. A novel transmission housing as claimed in claim 1, wherein: the gearbox body (1) comprises a side wall, a bottom plate and a detachable upper cover plate.

7. A novel transmission housing as claimed in claim 1, wherein: the front end of the gearbox body (1) is provided with a connecting shell (6) connected with the engine, the connecting shell (6) and the gearbox part (1.1) are of an integrated structure or a split structure, the connecting shell (6) is provided with a plurality of process holes (7), and chambers in the connecting shell (6) are independently arranged.

8. A novel transmission housing as claimed in claim 5, wherein: the side wall of the transfer case part (1.2) is also provided with a traveling shaft hole (8) and two transfer case parts are symmetrically arranged.

9. A novel transmission housing as claimed in claim 1, wherein: the bottoms of the gearbox part (1.1) and the transfer case part (1.2) are provided with downward-expanding assembly cavities (2) to form a plane structure.

10. A novel transmission housing as claimed in claim 5, wherein: the side wall of the gearbox body (1) is also provided with a parking electronic brake mounting hole (9) penetrating through the side wall.