CN214305170U - Integrated gear chamber shell - Google Patents

Abstract

The utility model provides a gear room casing integrates, includes the casing body, is equipped with the hydraulic pump hole on the casing body, and the preceding terminal surface periphery and the gear chamber cap of casing body link to each other, and the rear end face and the engine organism of casing body link to each other, and the preceding terminal surface of casing body is equipped with the lubricated oil duct of slope, and lubricated oil duct is the cylinder structure, cylinder structure and casing body integrated into one piece, the inside lubricated oil hole that is equipped with of cylinder structure, and the import in lubricated oil hole is used for linking to each other with oil pipe, and the export in lubricated oil hole is seted up in the inner wall in hydraulic pump hole lubricates the bearing of hydraulic pump hole department installation. The utility model discloses compact structure is reliable, integrates the degree height, can satisfy the requirement of assembly, maintenance and maintenance in engine production and the use.

Description

Integrated gear chamber shell

Technical Field

The utility model belongs to the internal-combustion engine field, concretely relates to gear room casing integrates.

Background

The gear chamber is an indispensable part of the diesel engine, and plays roles of fixing a gear train, engine accessories driven by the gear train, sealing engine oil and the like, and in addition, the whole tractor needs to be steered and lifted by hydraulic pumps during the operation process, and the hydraulic pumps are also usually arranged on the gear chamber.

The gear room includes gear room casing and gear chamber cap, and the periphery of the preceding terminal surface of gear room casing passes through locating pin and bolt and links to each other with the gear chamber cap, and the rear end face of gear room casing passes through locating pin and bolt and links to each other with the engine organism.

The gear room casing can only realize the basic function of gear room at present, and its integration degree is lower, and is higher to the requirement of assembly, maintenance. For example, a hydraulic pump hole is formed in a gear chamber shell, a bearing of a hydraulic pump transmission gear is arranged in the hydraulic pump hole, and when the bearing is lubricated at present, engine oil of an engine cylinder body is sprayed to the bearing through a special oil nozzle, the design of the oil nozzle and a related oil way is complex, the installation of the oil nozzle and the arrangement of the oil way are involved, the space in the gear chamber is limited, and therefore the lubricating effect on the bearing is limited; for another example, a non-metal gasket is generally required to be used for sealing between the gear chamber shell and the engine body, so that the types and the number of parts are increased, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear room casing integrates, its compact structure is reliable, integrates the degree height, can satisfy the requirement of assembly, maintenance and maintenance in engine production and the use.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a gear room casing integrates, includes the casing body, is equipped with the hydraulic pump hole on the casing body, and the preceding terminal surface periphery and the gear chamber cap of casing body link to each other, and the rear end face and the engine organism of casing body link to each other, and the preceding terminal surface of casing body is equipped with the lubricated oil duct of slope, and lubricated oil duct is the cylinder structure, cylinder structure and casing body integrated into one piece, the inside lubricated oil hole that is equipped with of cylinder structure, and the import in lubricated oil hole is used for linking to each other with oil pipe, and the export in lubricated oil hole is seted up in the inner wall in hydraulic pump hole lubricates the bearing of hydraulic pump hole department installation.

The top of the periphery of the front end face of the shell body is integrated with an engine oil filling port, and the extending part of the lower part of the engine oil filling port is positioned on the rear end face of the shell body.

And reinforcing ribs are connected between adjacent bolt lugs on the shell body, and the reinforcing ribs and the shell body are integrally formed.

Reinforcing ribs are arranged between two sides of the lubricating oil channel and the adjacent bolt lugs, and the reinforcing ribs and the shell body are integrally formed.

The gear train mounting and avoiding hole is designed on the shell body.

The mounting and avoiding hole comprises a crankshaft hole, a right balance shaft hole, a camshaft hole, a fuel pump hole, an engine oil pump hole and an idler gear shaft hole.

The rear end face of the shell body is provided with a sealing rubber groove, and two side walls of the sealing rubber groove are two slope surfaces with different inclination angles.

The utility model has the advantages that: the lubricating oil channel is integrated, the installation of an oil nozzle can be omitted, and a lubricating oil hole in the lubricating oil channel can directly reach the position of a bearing to be lubricated, so that the design of an oil channel is simplified; the integrated engine oil filling port can facilitate the filling of engine oil, so that the whole structure is more compact.

The utility model discloses at the sealed gluey groove of casing body rear end face setting, can utilize sealed gluey realization sealed, compare in seal gasket for the assembly process is simpler, and has reduced manufacturing cost. In addition, the both sides in sealed gluey groove are respectively for the domatic of slope setting, form a great contained angle jointly, correspond and be the bulge on the gear room mould here, and great contained angle will increase the intensity of mould, promote its anti high-pressure aluminium liquid ability of erodeing, have also prolonged the life-span of gear room mould when guaranteeing sealed effect.

The utility model discloses a gear room casing goes up bolt lug excircle and designs great, and the construction bolt of gear room can adopt flange face bolt, need not the packing ring, and is with low costs, improves assembly efficiency, and great excircle can make the stress point keep away from the fillet simultaneously, reduces stress concentration phenomenon. The design has integrated into one piece's strengthening rib between the adjacent bolt lug, can improve the structural strength of gear room, also can effectively weaken the transmission of the indoor noise of gear to outside simultaneously. Reinforcing ribs are also arranged between two sides of the lubricating oil channel and the adjacent bolt lugs, so that the structural strength of the lubricating oil channel can be enhanced.

The utility model discloses a casing body adopts cast aluminium material, and light in weight, the surface quality of part is good.

Drawings

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

fig. 2 is a rear view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is an isometric view of the present invention;

FIG. 5 is a cross-sectional view at the sealant groove;

the labels in the figure are: 100. the engine oil pump comprises a shell body, 1, a front end face, 2, a camshaft hole, 3, a hydraulic pump hole, 4, a reinforcing rib, 5, a lubricating oil channel, 6, a bolt lug, 7, a right balance shaft hole, 8, a crankshaft hole, 9, an engine oil pump hole, 10, a fuel oil pump hole, 11, an engine oil filling port, 12, an idler gear hole, 13, a sealing rubber groove, 14, a rear end face, 15 and the periphery of the front end face.

Detailed Description

The following detailed description of the present invention is provided with reference to the accompanying drawings and examples, but not to be construed as limiting the present invention in any way.

Referring to fig. 1-4, an integrated gear chamber housing comprises a housing body 100, wherein a front end face 1 of the housing body 100 is provided with a circle of front end face periphery 15 perpendicular to the front end face 1, the front end face periphery 15 is connected with a gear chamber cover through a positioning pin and a bolt, a rear end face 14 of the housing body 100 is connected with an engine body through a positioning pin and a bolt, the housing body 100 is made of cast aluminum, the overall weight is light, the surface quality of a part is good, and the cutting times are effectively reduced; the front end face 1 and the rear end face 14 of the housing body 100 are respectively the front face and the back face of the same panel, the front view of fig. 1 is the front end face view of the housing body, the rear view of fig. 2 is the rear end face view of the housing body, and the following description is made by combining fig. 1 and 2.

As shown in fig. 1 and 2, a cam shaft hole 2, a hydraulic pump hole 3, a right balance shaft hole 7, a crankshaft hole 8, an engine oil pump hole 9, a fuel pump hole 10 and an idler gear hole 12 are respectively arranged on a panel of a shell body 100, and a plurality of circular bolt lugs 6 are further arranged, the diameter of the excircle of each bolt lug 6 is large, bolts of the flange surface can be installed, the traditional elastic cushion pre-tightening mode is replaced, the stress concentration phenomenon is reduced, and the assembly efficiency is improved; the protruding reinforcing ribs 4 are arranged between the two adjacent bolt lugs 6, so that the structural strength of the gear chamber is improved, and the outward transmission of internal noise is weakened; the integrated lubricated oil duct 5 that is provided with the cylinder structure of one side of hydraulic pump hole 3 still, the axial of lubricated oil duct 5 sets up for the place panel slope, and lubricated oil duct 5 and casing body 100 are integrated into one piece, and 5 inside lubricated oil ducts of cylinder structure are equipped with lubricated oil hole, and the import of lubricated oil hole is used for linking to each other with oil pipe, and the export in lubricated oil hole is seted up in the inner wall of hydraulic pump hole 3 lubricates the hydraulic pump drive gear's of hydraulic pump hole 3 department installation bearing.

Further, reinforcing ribs 4 are arranged between two sides of the lubricating oil channel 5 and the adjacent bolt lugs 6, and the reinforcing ribs 4 and the shell body 100 are integrally formed.

As shown in fig. 3, an oil filling port 11 is integrated on the top of the peripheral edge 15 of the upper front end surface of the housing body 100, the extending part of the lower part of the oil filling port 11 is located on the rear end surface 14 of the housing body 100, and an oil filler cover is screwed on the oil filling port 11, so that the oil filler cover at the position is unscrewed when the engine is filled with oil, and the engine can be directly filled.

The rear end face of casing body 100 is equipped with sealed gluey groove 13, as shown in fig. 5, the both sides wall of sealed gluey groove 13 is two domatic that the inclination is different, before the installation, at sealed gluey groove 13 side slope top plane coating sealed glue, gear room casing 100 and engine organism extrude each other and force sealed glue entering sealed gluey groove 13 during the installation, reach sealed effect after curing with the air mixing, compare in traditional nonmetal gasket sealing form, this design simple structure and save cost, and because the both sides of sealed gluey groove 13 are the domatic that the slope set up for the slope respectively, form a great contained angle jointly, this department is the bulge on the corresponding gear room mould, great contained angle will increase the intensity of mould, promote its anti high-pressure aluminium liquid scouring's ability, the life-span of gear room mould has also been prolonged when guaranteeing sealed effect.

The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and it should be understood by those of ordinary skill in the art that the embodiments of the present invention can be modified or replaced with equivalents with reference to the above embodiments, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are all within the scope of the claims of the present application.

Claims (7)

1. The utility model provides a gear room casing integrates, includes the casing body, is equipped with the hydraulic pump hole on the casing body, and the preceding terminal surface periphery and the gear chamber lid of casing body link to each other, and the rear end face and the engine organism of casing body link to each other its characterized in that: the preceding terminal surface of casing body is equipped with the lubricated oil duct of slope, and lubricated oil duct is the cylinder structure, and cylinder structure and casing body integrated into one piece are equipped with the lubricated oil hole in the inside of cylinder structure, and the import in lubricated oil hole is used for linking to each other with oil pipe, and the export in lubricated oil hole is seted up in the inner wall in hydraulic pump hole lubricates the bearing of hydraulic pump hole department installation.

2. An integrated gear chamber housing according to claim 1, wherein: the top of the periphery of the front end face of the shell body is integrated with an engine oil filling port, and the extending part of the lower part of the engine oil filling port is positioned on the rear end face of the shell body.

3. An integrated gear chamber housing according to claim 1, wherein: and reinforcing ribs are connected between adjacent bolt lugs on the shell body, and the reinforcing ribs and the shell body are integrally formed.

4. An integrated gear chamber housing according to claim 1, wherein: reinforcing ribs are arranged between two sides of the lubricating oil channel and the adjacent bolt lugs, and the reinforcing ribs and the shell body are integrally formed.

5. An integrated gear chamber housing according to claim 1, wherein: the gear train mounting and avoiding hole is designed on the shell body.

6. An integrated gear chamber housing according to claim 5, wherein: the mounting and avoiding hole comprises a crankshaft hole, a right balance shaft hole, a camshaft hole, a fuel pump hole, an engine oil pump hole and an idler gear shaft hole.

7. An integrated gear chamber housing according to claim 1, wherein: the rear end face of the shell body is provided with a sealing rubber groove, and two side walls of the sealing rubber groove are two slope surfaces with different inclination angles.

Images