CN219692191U - Multipurpose valve plate supporting cover - Google Patents
Multipurpose valve plate supporting cover Download PDFInfo
- Publication number
- CN219692191U CN219692191U CN202320141954.9U CN202320141954U CN219692191U CN 219692191 U CN219692191 U CN 219692191U CN 202320141954 U CN202320141954 U CN 202320141954U CN 219692191 U CN219692191 U CN 219692191U
- Authority
- CN
- China
- Prior art keywords
- valve plate
- supporting cover
- gearbox
- mounting surface
- plate supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005266 casting Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 41
- 238000013461 design Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
- Control Of Transmission Device (AREA)
Abstract
The utility model belongs to the field of gearboxes, and particularly relates to a multipurpose valve plate supporting cover. The gearbox comprises a gearbox mounting surface and a valve plate mounting surface, wherein the gearbox mounting surface is used for being combined with a gearbox shell, and the valve plate mounting surface is used for being combined with a valve plate. A plurality of tilting grooves are formed in the mounting surface of the gearbox, and the tilting grooves are beneficial to disassembling the valve plate supporting cover and the gearbox shell. The valve plate mounting surface is provided with a plurality of oil holes, and the oil holes are used for realizing the hydraulic control communication between the gearbox and the valve plate. The gearbox mounting surface and the valve plate mounting surface are provided with the supporting cover side wall and a plurality of casting supporting tables, the casting supporting tables are arranged on the outer side face of the supporting cover side wall, the casting supporting tables enlarge the sealing area between the valve plate supporting cover and the gearbox shell, and oil leakage is prevented. The wall thicknesses of the mounting surface of the gearbox, the mounting surface of the valve plate and the side wall of the supporting cover are the same, so that the residual stress in the valve plate supporting cover in the casting process is reduced, and the structural strength and the yield of the valve plate supporting cover are improved.
Description
Technical Field
The utility model belongs to the field of gearboxes, and particularly relates to a multipurpose valve plate supporting cover.
Background
With the rapid development of unmanned technology, people pay more attention to automatic gearboxes, and the hydraulic automatic gearboxes are an important object of research because of the advantage of flexible and rapid gear shifting, and valve plates for controlling gear shifting elements are also an important component part of the hydraulic automatic gearboxes, but because of the complex structure and oil ways, the valve plates are difficult to be directly placed in gearbox shells and are generally placed on the outer sides of the gearboxes, and a supporting shell for connecting internal elements of the gearboxes and valve plates needs to be designed at the moment.
At present, most valve plate support covers are single in function, the side wall is thicker, the weight of the whole shell is large, meanwhile, the residual stress in casting is large due to uneven wall thickness, the yield is low, and mass production is not facilitated.
Disclosure of Invention
The utility model aims to overcome the defects and provide the multipurpose valve plate supporting cover which is uniform in wall thickness, high in structural strength, high in yield and convenient to detach and install.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a multipurpose valve plate supporting cover, includes gearbox installation face and valve plate installation face, is provided with a plurality of grooves of raising on the gearbox installation face, is provided with a plurality of oilholes on the valve plate installation face, is supporting cover lateral wall and a plurality of casting supporting bench between gearbox installation face and the valve plate installation face, and the casting supporting bench sets up at supporting cover lateral wall lateral surface, and gearbox installation face, valve plate installation face and supporting cover lateral wall thickness are the same.
The side wall of the supporting cover is provided with a ventilation plug hole.
Bolt mounting holes are formed in the gearbox mounting surface and the valve plate mounting surface.
The inner side of the valve plate mounting surface is provided with a bolt packet, and the bolt packet corresponds to a bolt mounting hole on the valve plate mounting surface.
A plurality of positioning pin holes are arranged on the mounting surface of the gearbox.
The number of the positioning pin holes is two.
The number of the warping grooves is three.
The tilting groove is provided with a tilting groove threaded hole.
The oil holes comprise a parking brake oil passing hole, a lubricating oil passing hole, an oil unloading hole, a differential oil passing hole, a service brake oil passing hole and a clutch oil passing hole.
The number of the oil discharging holes is three.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model comprises a gearbox mounting surface and a valve plate mounting surface, wherein the gearbox mounting surface is used for being combined with a gearbox shell, and the valve plate mounting surface is used for being combined with a valve plate. A plurality of tilting grooves are formed in the mounting surface of the gearbox, and the tilting grooves are formed in the valve plate supporting cover and the gearbox shell. Through the arrangement of the gearbox mounting surface, the valve plate mounting surface and the warping groove, the valve plate supporting cover is convenient to mount and dismount. The valve plate mounting surface is provided with a plurality of oil holes, and the oil holes are used for realizing the hydraulic control communication between the gearbox and the valve plate. The gearbox mounting surface and the valve plate mounting surface are provided with the supporting cover side wall and a plurality of casting supporting tables, the casting supporting tables are arranged on the outer side face of the supporting cover side wall, the casting supporting tables enlarge the sealing area between the valve plate supporting cover and the gearbox shell, and oil leakage is prevented. The wall thicknesses of the mounting surface of the gearbox, the mounting surface of the valve plate and the side wall of the supporting cover are the same, so that the residual stress in the valve plate supporting cover in the casting process is reduced, and the structural strength and the yield of the valve plate supporting cover are improved.
Further, the side wall of the supporting cover is provided with a ventilation plug hole. The ventilation plug hole is used for releasing high-temperature gas in the shell, so that the internal pressure of the gearbox is ensured to be constant.
Further, a bolt packet is arranged on the inner side of the valve plate mounting surface, and the bolt packet corresponds to the bolt mounting hole. The bolt package is used for keeping the wall thickness even, has strengthened the stability of valve plate supporting cover structure.
Drawings
FIG. 1 is a top view of the present utility model;
FIG. 2 is an oblique view of a three-dimensional structure of the present utility model;
fig. 3 is a schematic three-dimensional structure of the present utility model.
1, a gearbox mounting surface; 2. a valve plate mounting surface; 3. a support cover side wall; 4. a tilting groove; 5. an oil hole; 6. an oil passing hole of the parking brake; 7. a lubrication oil passing hole; 8. an oil discharging hole; 9. oil passing holes of the differential mechanism; 10. oil passing holes of the service brake; 11. oil passing holes of the clutch; 12. positioning pin holes; 13. a bolt bag; 14. ventilation plug holes; 15. casting a supporting table; 16. and the screw hole of the tilting groove.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, a multipurpose valve plate supporting cover comprises a gearbox mounting surface 1 and a valve plate mounting surface 2, wherein a plurality of warping grooves 4 are formed in the gearbox mounting surface 1, a plurality of oil holes 5 are formed in the valve plate mounting surface 2, a supporting cover side wall 3 and a plurality of casting supporting tables 15 are arranged between the gearbox mounting surface 1 and the valve plate mounting surface 2, the casting supporting tables 15 are arranged on the outer side surface of the supporting cover side wall 3, and the wall thicknesses of the gearbox mounting surface 1, the valve plate mounting surface 2 and the supporting cover side wall 3 are the same.
Preferably, the present utility model includes a gearbox mounting face 1 and a valve plate mounting face 2, the gearbox mounting face 1 being for mounting in combination with a gearbox housing, the valve plate mounting face 2 being for mounting in combination with a valve plate. The gearbox mounting surface 1 is provided with a plurality of tilting grooves 4, and the tilting grooves 4 are arranged to facilitate the disassembly of the valve plate supporting cover and the gearbox shell. The mounting and dismounting of the valve plate supporting cover are facilitated through the arrangement of the gearbox mounting surface 1, the valve plate mounting surface 2 and the warping groove 4. The valve plate mounting surface 2 is provided with a plurality of oil holes 5, and the oil holes 5 are used for realizing hydraulic control communication between the gearbox and the valve plate. The gearbox mounting surface 1 and the valve plate mounting surface 2 are provided with a supporting cover side wall 3 and a plurality of casting supporting tables 15, the casting supporting tables 15 are arranged on the outer side face of the supporting cover side wall 3, due to the limitation of an external assembly element, a mounting bolt cannot be arranged on one side of the valve plate supporting cover, but the mounting bolt has high sealing requirements, in the area, the sealing area is possibly insufficient, so that internal oil leakage is caused, in order to solve the problem, the casting supporting tables 15 are additionally arranged on the valve plate supporting cover side wall, and the sealing area between the valve plate supporting cover and a gearbox shell is enlarged by the casting supporting tables 15, so that the oil leakage is prevented. The wall thickness of the gearbox mounting surface 1, the wall thickness of the valve plate mounting surface 2 and the wall thickness of the supporting cover side wall 3 are the same, so that residual stress in the valve plate supporting cover in the casting process is reduced, and the structural strength and the yield of the valve plate supporting cover are improved.
Preferably, the external initial contour is designed by equidistantly offsetting the internal contour of the valve plate supporting cover, and then the gearbox mounting surface 1 and the valve plate mounting surface 2 are respectively designed by using the same wall thickness, so that the whole valve plate supporting cover can ensure uniform wall thickness to the greatest extent, the difference of casting liquid cooling time caused by uneven wall thickness can not be caused in the casting process, and larger residual stress is left in the valve plate supporting cover, and the structural strength of the valve plate supporting cover is influenced.
Preferably, as shown in fig. 2, the supporting cover side wall 3 is provided with a ventilation plug hole 14. The vent plug hole 14 is used for releasing high-temperature gas in the shell to ensure constant internal pressure of the gearbox. In the whole operation process of the gearbox, the temperature of lubricating oil can be rapidly increased due to higher power in the gearbox, the general working temperature of hydraulic oil is-40 ℃ to 120 ℃, the internal pressure of the gearbox is increased at the moment, and the internal air can be discharged through the vent plug opening 14 arranged on the valve plate support cover to ensure the internal pressure of the gearbox to be constant.
Bolt mounting holes are formed in the gearbox mounting surface 1 and the valve plate mounting surface 2.
Preferably, a bolt packet 13 is arranged on the inner side of the valve plate mounting surface 2, and the bolt packet 13 corresponds to a bolt mounting hole position on the valve plate mounting surface. The bolt bag 13 is used for keeping the wall thickness uniform, and the stability of the valve plate supporting cover structure is enhanced. The outer contour designed by the inner contour deviation cannot be directly used, more bolt holes are required to be designed on the valve plate supporting cover for assembly due to the diversified design of the valve plate and the fixing requirement of the valve plate, and at the moment, the wall thickness is kept uniform in a mode of designing a bolt package and adding engineering casting ribs, so that the design of the inner contour and the outer contour of the whole valve plate supporting cover is completed.
Furthermore, the utility model adopts the design of inner and outer shape to ensure the even wall thickness of the valve plate supporting cover, when the bolt mounting hole is arranged on the outer side of the existing wall thickness, the arrangement of the bolts is realized by adding the casting bolt bag 13 and the engineering reinforcing ribs, the design can not only reduce the weight of castings to a great extent, but also ensure the even wall thickness, the cooling speed of casting liquid is consistent in the casting process, the residual stress in the finished product is reduced, and the casting yield is improved.
Preferably, as shown in fig. 1 and 2, a plurality of registration pin holes 12 are provided on the transmission mounting surface 1. The dowel holes 12 are used for locating mounting of the valve plate support cover on the gearbox.
Further, the number of the positioning pin holes 12 is two.
Preferably, as shown in fig. 1, the number of the warping grooves 4 is three.
Preferably, as shown in fig. 1 and 2, a tilting groove threaded hole 16 is designed in the tilting groove 4, when the adhesive is adhered to each other between the valve plate supporting cover and the housing, the valve plate supporting cover structure is easily damaged only by the tilting groove 4, at this time, the valve plate supporting cover and the transmission housing are spread by continuously screwing the bolt into the tilting groove threaded hole 16, and then the valve plate supporting cover is smoothly removed by being matched with the tilting groove 4.
The oil holes 5 include a parking brake oil passing hole 6, a lubrication oil passing hole 7, a relief oil hole 8, a differential oil passing hole 9, a service brake oil passing hole 10, and a clutch oil passing hole 11.
Further, eight oil passing holes are formed in the valve plate supporting cover, the number of the oil discharging holes 8 is three, the remaining five holes are respectively responsible for the input of working oil of a clutch, a service brake, a differential mechanism and a parking brake of a gearbox and the input of gearbox lubricating oil, the lubricating oil enters the valve plate through an oil filter and a hydraulic pump, then the electromagnetic valve on the valve plate is controlled to input different high-pressure oil into corresponding working cavities of all hydraulic elements through different oil paths of the valve plate supporting cover, the hydraulic control of the whole gearbox is completed, and the diversity of the purposes of the valve plate supporting cover is improved.
The installation process of the utility model is as follows:
firstly, positioning of the valve plate supporting cover and the gearbox shell is completed through two positioning pin holes 12, then the valve plate supporting cover and the gearbox shell are fixed through a plurality of bolts distributed on the joint surface of the gearbox mounting surface 1 and the gearbox shell, then the valve plate supporting cover and the valve plate are fixed through a plurality of bolts distributed on the joint surface of the valve plate mounting surface 2 and the valve plate, finally a ventilation plug is installed through a ventilation plug hole 14, and finally the multipurpose valve plate supporting cover is installed.
The disassembly process of the utility model is as follows:
firstly, a mounting bolt between a valve plate supporting cover and a valve plate is detached, the valve plate is separated from the valve plate supporting cover, then an outside ventilation plug is detached, in order to prevent damage to the valve plate supporting cover, the bolt is firstly installed into a threaded hole of a tilting groove, the bolt is slowly screwed in sequence, the valve plate supporting cover is gradually separated from a gearbox shell through lifting of the threaded driving bolt, after the valve plate supporting cover is separated from the gearbox shell, the bolt is withdrawn, and the valve plate supporting cover is detached by using three tilting grooves, so that the whole valve plate supporting cover is detached.
The valve plate supporting cover mainly aims to provide support for the valve plate arranged on the outer side of the gearbox, and transfer the internal oil of the valve plate to a corresponding working cavity, for example, when the clutch of the gearbox needs oil pressure, an electromagnetic valve on the valve plate sends out a signal to push an internal valve core to change a hydraulic oil way, and then high-pressure oil of the valve plate enters the clutch working cavity in the gearbox through the clutch oil passing hole 11 to complete oil filling and discharging of the clutch. In the operation process of the gearbox, the temperature in the gearbox rises due to the fact that all gears rub mutually to generate heat, the internal pressure is increased, and in order to solve the problem, redundant air in the valve plate is decompressed into the atmosphere through the ventilation plug holes 14 in the valve plate supporting cover, and therefore the constancy of the internal pressure of the gearbox is guaranteed.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a multipurpose valve plate supporting cover which is characterized in that, including gearbox installation face (1) and valve plate installation face (2), be provided with a plurality of perk grooves (4) on gearbox installation face (1), be provided with a plurality of oilholes (5) on valve plate installation face (2), be supporting cover lateral wall (3) and a plurality of casting supporting bench (15) between gearbox installation face (1) and valve plate installation face (2), casting supporting bench (15) set up at supporting cover lateral wall (3) lateral surface, gearbox installation face (1), valve plate installation face (2) and supporting cover lateral wall (3) wall thickness are the same.
2. A multi-purpose valve plate supporting cover according to claim 1, wherein said supporting cover side wall (3) is provided with ventilation plug holes (14).
3. A multipurpose valve plate support cover according to claim 1, wherein bolt mounting holes are provided on both the transmission case mounting surface (1) and the valve plate mounting surface (2).
4. A multipurpose valve plate supporting cover as claimed in claim 3, wherein a bolt pack (13) is provided inside the valve plate mounting surface (2), the bolt pack (13) corresponding to a bolt mounting hole position on the valve plate mounting surface (2).
5. A multi-purpose valve plate supporting cover as claimed in claim 3, wherein said gearbox mounting surface (1) is provided with a plurality of registration pin holes (12).
6. A multi-purpose valve plate supporting cover as set forth in claim 5, wherein said registration pin holes (12) are two.
7. A multipurpose valve plate supporting cover according to claim 1, wherein the number of the tilting grooves (4) is three.
8. A multi-purpose valve plate supporting cover as claimed in claim 7, wherein said tilting slot (4) is provided with a tilting slot screw hole (16).
9. A multi-purpose valve plate supporting cover as set forth in claim 1, wherein said oil hole (5) includes a parking brake oil passing hole (6), a lubrication oil passing hole (7), an oil discharging hole (8), a differential oil passing hole (9), a service brake oil passing hole (10) and a clutch oil passing hole (11).
10. A multi-purpose valve plate supporting cover according to claim 9, wherein said oil discharge holes (8) are three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141954.9U CN219692191U (en) | 2023-02-02 | 2023-02-02 | Multipurpose valve plate supporting cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141954.9U CN219692191U (en) | 2023-02-02 | 2023-02-02 | Multipurpose valve plate supporting cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692191U true CN219692191U (en) | 2023-09-15 |
Family
ID=87968149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320141954.9U Active CN219692191U (en) | 2023-02-02 | 2023-02-02 | Multipurpose valve plate supporting cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692191U (en) |
-
2023
- 2023-02-02 CN CN202320141954.9U patent/CN219692191U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |