CN219413455U

CN219413455U - Transmission shell structure

Info

Publication number: CN219413455U
Application number: CN202222574839.9U
Authority: CN
Inventors: 巩占峰; 张龙; 郭克刚; 杨博华; 郭鸿瑞; 冯勋勋; 田宏炜
Original assignee: Shaanxi Hande Axle Co Ltd
Current assignee: Shaanxi Hande Axle Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-07-25
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a transmission shell structure, which comprises a transmission shell, a motor outer water jacket and a motor outer water jacket, wherein the transmission shell is provided with a square end face and an arc-shaped surface connected with the square end face; a tile cover assembly is arranged at the square end face of the transmission shell; the motor outer water jacket is respectively provided with a plurality of bolt bosses, a plurality of high-voltage wire clamp connecting bosses, a plurality of outer enveloping rib plates, a plurality of vertical rib plates and a plurality of water nozzles; the utility model satisfies the rigidity and the lubrication performance of the shafting support and simultaneously takes the casting, processing and assembling processes of the shell into consideration.

Description

Transmission shell structure

Technical Field

The utility model relates to the technical field of commercial vehicle electric drive assemblies, in particular to a transmission shell structure.

Background

The central motor drive axle scheme is one of the technical route schemes with higher efficiency in the current commercial vehicle electric drive field, and in order to meet the industrialization realization of the technical route, a transmission shell scheme capable of meeting the rigidity and the lubricating performance of a shafting support needs to be designed, and meanwhile, the shell casting, processing and assembling processes need to be considered. At present, the design schemes of the transmission shell in the market are all integrated, and the situation of difficult processing exists.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, thereby providing a transmission shell structure which meets the rigidity and the lubricating performance of shafting support; and simultaneously, casting, processing and assembling processes of the shell are considered.

The utility model is realized by adopting the following technical scheme:

a transmission housing structure, comprising: the transmission shell is provided with a square end face and an arc surface connected with the square end face, and the motor outer water jacket is integrated on the arc surface of the transmission shell; the square end face of the transmission shell is provided with a tile cover assembly, and the motor outer water jacket is respectively provided with a plurality of bolt bosses, a plurality of high-voltage wire clamp connecting bosses, a plurality of outer enveloping rib plates, a plurality of vertical rib plates and a plurality of water nozzles.

Preferably, the square end face of the transmission shell has an envelope surface structure.

Preferably, two outer wrapping rib plates extending to the square end face of the transmission shell are arranged on the motor outer water jacket, and five vertical rib plates are arranged on the motor outer water jacket.

Preferably, the tile cap assembly comprises a tile cap I, a tile cap II, a tile cap III, a tile cap IV, a tile cap V and a tile cap VI; each tile cover comprises an upper half part and a lower half part, and the two half parts are connected through bolts; the lower half of each tile cap is integrated at the square end face of the transmission housing.

Preferably, the first tile cover and the second tile cover are coaxially arranged, and share a first bolt connecting hole.

Preferably, the tile cover five and the tile cover six are connected in parallel in a staggered manner and share a bolt connecting hole two.

Preferably, pins are arranged on the upper half parts of the tile cover II and the tile cover six.

Preferably, one side of the second tile cover and one side of the fourth tile cover, which are close to the transmission shell structure, are respectively provided with a shifting fork rod supporting structure, and two shaft holes are formed in the shifting fork rod supporting structure.

Preferably, reinforcing ribs are arranged on two sides of the tile cover III and the tile cover IV.

Preferably, the transmission housing inner cavity is provided with a shafting assembly, and the shafting assembly comprises a gear shifting shaft, an intermediate shaft and a plurality of output gears arranged on the gear shifting shaft and the intermediate shaft. Compared with the prior art, the utility model has the following beneficial technical effects:

the motor outer water jacket is integrally designed on the transmission shell, so that the connection rigidity between parts is improved, the transmission shell adopts an envelope surface structure, redundant material compression space is removed, the cost is saved, and the product weight is reduced; the plurality of reinforcing ribs are arranged on the outer water jacket of the motor, so that the supporting rigidity and strength of the shell are improved, and the local stress concentration is reduced;

the bearing hole is processed by the tile cover assembly, so that the assembly precision of the bearing and the tile cover is improved;

the transmission shell casting, assembly processing and shaft assembly modularized configuration realizes the optimal design of part casting, processing and assembly processes, meets the rigidity and lubricating performance of shaft support and simultaneously takes the shell casting, processing and assembly processes into consideration.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the outer water jacket structure of the motor of the present utility model;

FIG. 3 is a schematic diagram of a shafting assembly according to the present utility model.

Description of the reference numerals

1-a transmission housing; 2-bolting boss; 3-a water nozzle; 4-a motor outer water jacket; 5-wrapping a rib plate outside; 6-vertical rib plates; 7-a high-voltage wire clamp connecting boss; 11-tile cover I; 12-tile cover II; 13-connecting bolts; 14-tile cover III; 15-a fork lever support structure; 16-tile cap IV; 17-tile cover five; 18-envelope surface; 19-watt cover six; 31-a shift shaft; 32-an intermediate shaft; 33-an output gear; 121-pins.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1-3: a transmission shell structure comprises a transmission shell 1, a tile cover assembly and a motor outer water jacket 4;

the transmission shell 1 is provided with a square end face and an arc surface connected with the square end face, and the motor outer water jacket 4 is integrally designed on the transmission shell 1, so that the connection rigidity between parts is improved; the square end face of the transmission shell 1 adopts an envelope surface 18 structure, so that redundant material compression space is removed, the cost is saved, the weight of a product is reduced, and the square end face of the transmission shell 1 is used for being connected with a main speed reducer shell;

the motor outer water jacket 4 and the transmission shell 1 are integrally designed and are used for assembling a motor into the transmission assembly 1, protecting the motor, reducing the collision risk of a motor core component, and arranging a plurality of bolt connection bosses 2 for connecting an electric control device; two outer wrapping rib plates 5 and five vertical rib plates 6 extending to the transmission shell 1 are arranged on the motor outer water jacket 4, so that the support rigidity of the shell is improved; a plurality of water nozzles 3 are arranged on the motor outer water jacket 4 and are divided into a water inlet nozzle and a water outlet nozzle for inflow and outflow of motor cooling liquid; the motor outer water jacket 4 is provided with a plurality of high-voltage wire clamp connecting bosses for connecting an electric control device wire clamp.

The large-surface side of the transmission shell 1 is provided with a tile cap assembly for assembling a bearing, and the tile cap assembly comprises a tile cap I11, a tile cap II 12, a tile cap III 14, a tile cap IV 16, a tile cap V17 and a tile cap VI 19; each tile cover comprises an upper half part and a lower half part, and the two half parts are connected through bolts; the lower half part of each tile cover is integrated at the square end face of the transmission shell 1, and each tile cover is provided with a bearing hole in an assembly processing mode, so that the relative position precision of each bearing hole is ensured;

the tile cover I11 and the tile cover II 12 are coaxially arranged, and share a bolt connecting hole I, namely 3 connecting bolts 13 are arranged between the tile cover I11 and the tile cover II 12, the tile cover five 17 and the tile cover six 19 are connected in parallel in a staggered manner, and the bolt connecting hole II is shared; the upper half parts of the tile cover II 12 and the tile cover VI 19 are respectively provided with a pin 121, and the pins are used for positioning and assembling the main reducer shell, so that the installation precision is ensured; a shifting fork rod supporting structure 15 is arranged on one side, close to the transmission shell structure, of each of the tile cover II 12 and the tile cover IV 16, and two shaft holes are formed in the shifting fork rod supporting structure 15 and used for installing shifting fork rods; reinforcing ribs are arranged on two sides of the tile cover III 14 and the tile cover IV (16), so that the supporting rigidity is improved;

the shafting assembly comprises a shift shaft 31 and a countershaft 32 and a plurality of output gears 33 arranged on the shift shaft 31 and countershaft 32, which are modularly assembled into the transmission housing 1.

Noun interpretation: the envelope surface refers to the section of the outer shell formed around the inner structure; if the enveloping structure of the cube is a hollow cube, the section of the hollow cube is the enveloping surface.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A transmission housing structure, comprising: the transmission shell (1) is provided with a square end face and an arc-shaped surface connected with the square end face, and the motor outer water jacket (4) is integrated on the arc-shaped surface of the transmission shell (1); the novel transmission is characterized in that a tile cover assembly is arranged at the square end face of the transmission shell (1), and a plurality of bolt bosses (2), a plurality of high-voltage wire clamp connecting bosses (7), a plurality of outer wrapping rib plates (5), a plurality of vertical rib plates (6) and a plurality of water nozzles (3) are respectively arranged on the motor outer water jacket (4).

2. Transmission housing structure according to claim 1, characterized in that the square end face of the transmission housing (1) is of envelope surface (18) construction.

3. The transmission housing structure according to claim 1, wherein two outer wrapping rib plates (5) extending to the square end face of the transmission housing (1) are arranged on the motor outer water jacket (4), and five vertical rib plates (6) are arranged on the motor outer water jacket (4).

4. The transmission housing arrangement of claim 1, wherein said tile cap assembly comprises a tile cap one (11), a tile cap two (12), a tile cap three (14), a tile cap four (16), a tile cap five (17), a tile cap six (19); each tile cover comprises an upper half part and a lower half part, and the two half parts are connected through bolts; the lower half of each tile cap is integrated at the square end face of the transmission housing (1).

5. The transmission housing structure according to claim 4, wherein the first shoe cover (11) and the second shoe cover (12) are coaxially disposed and share a first bolting hole.

6. The transmission housing structure of claim 5 wherein said fifth tile cap (17) and said sixth tile cap (19) are connected in parallel offset relation and share a second bolt connection aperture.

7. The transmission housing arrangement according to claim 6, wherein the upper half of the tile cap two (12) and the tile cap six (19) are each provided with a pin (121).

8. The transmission housing structure according to claim 7, wherein a shift fork rod supporting structure (15) is arranged on one side, close to the transmission housing structure, of each of the second tile cover (12) and the fourth tile cover (16), and two shaft holes are formed in the shift fork rod supporting structure (15).

9. The transmission housing structure of claim 8 wherein said three (14) and four (16) shoe covers are provided with reinforcing ribs on both sides.

10. The transmission housing structure according to claim 1, wherein the transmission housing (1) is provided with a shafting assembly including a shift shaft (31), an intermediate shaft (32), and a plurality of output gears (33) provided on the shift shaft (31), the intermediate shaft (32).