CN207961483U - A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure - Google Patents
A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure Download PDFInfo
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- CN207961483U CN207961483U CN201721878783.9U CN201721878783U CN207961483U CN 207961483 U CN207961483 U CN 207961483U CN 201721878783 U CN201721878783 U CN 201721878783U CN 207961483 U CN207961483 U CN 207961483U
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- gearbox
- oil
- suction tube
- oil suction
- tube head
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Abstract
A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure, including gearbox front housing body and gearbox middle casing, the gearbox front housing body is connected by bolt with gearbox middle casing, the gearbox front housing body and the junction of gearbox middle casing are provided with procapsid backboard, and the oil pump suction tube of integral structure is provided on the procapsid backboard；It is provided with gearbox fuel sucking pipe in the gearbox middle casing, one end of the gearbox fuel sucking pipe is oil scavenge pump connector, the oil scavenge pump connector is sealed by one end of sealing ring and oil pump suction tube to be coordinated, and the other end of oil pump suction tube is connected with the gearbox oil scavenge pump in gearbox front housing body；The other end of gearbox fuel sucking pipe is oil suction tube head, and the oil suction tube head is set to the bottom of gearbox middle casing, multiple inlet ports are evenly distributed on the side wall circumference of oil suction tube head.The fuel sucking pipe structure of the design not only effectively reduces gearbox weight, but also simplifies the manufacturing process of gearbox middle casing.
Description
Technical field
The utility model is related to a kind of gearbox oil suction structure more particularly to heavy-duty power transmission semi open model gearbox lubrications
Oil suction structure, it is particularly applicable to optimize gear box casing internal structure.
Background technology
Existing gearbox lubricating oil way is cast directly in gearbox middle casing, is affected to case weight, now moistens to it
Slipped Clove Hitch structure optimizes, and to reach, drop is important to be asked.Improve lubrication simultaneously, promotes reliability.
China Patent Publication No. is CN 204553799U, and publication date is that the utility model patent on the 12nd of August in 2015 discloses
A kind of gear box casing of automobile, including main casing, it is fixed in the back casing of described main casing one end, and it is fixed in the master
The first end face of the clutch housing of the shell other end, the main casing connection hydraulic module is equipped with multiple first oilholes, connection
The second end face of the clutch housing side is equipped with multiple second oilholes, and the clutch housing connects the main casing side
Third end face be equipped with multiple third oilholes, first group of multiple first oilholes, first group of multiple second oilholes
With first group of one-to-one correspondence of multiple third oilholes and be connected to form oil leab and cooling oil duct.Although the utility model
Oil leab is optimized., but its there are still following defects：
The fuel sucking pipe of the utility model is integrated in transmission housing body, and the weight of gearbox can be greatly increased for heavy goods vehicles
Amount.
Invention content
The purpose of the utility model is to overcome the problems that shell quality existing in the prior art is larger, provide one kind and subtract
The heavy-duty power transmission semi open model gearbox lubrication oil suction structure of light shell quality.
In order to achieve the above object, the technical solution of the utility model is：
A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure, including shell in gearbox front housing body and gearbox
Body, the gearbox front housing body are connected by bolt with gearbox middle casing, the gearbox front housing body and shell in gearbox
The junction of body is provided with procapsid backboard, and the oil pump suction tube of integral structure is provided on the procapsid backboard；
Gearbox fuel sucking pipe is provided in the gearbox middle casing, one end of the gearbox fuel sucking pipe connects for oil scavenge pump
Interface, the oil scavenge pump connector by one end of sealing ring and oil pump suction tube seal coordinate, the oil pump suction tube it is another
One end is connected with the gearbox oil scavenge pump in gearbox front housing body；
The other end of the gearbox fuel sucking pipe is oil suction tube head, and the oil suction tube head is set to the bottom of gearbox middle casing
Portion is evenly distributed with multiple inlet ports on the side wall circumference of the oil suction tube head.
Fuel sucking pipe support base is provided on the inner wall of the gearbox middle casing, the oil suction tube head includes that fuel sucking pipe compresses
One end of portion and oil suction pipe fixed part, the fuel sucking pipe compressed part is coordinated by sealing ring and the oil pump suction seal of tube, the suction
The other end of oil pipe compressed part is fixedly connected with oil suction pipe fixed part, and the oil suction pipe fixed part passes through at least two bolts and suction
Oil pipe support base is connected.
The oil suction tube head mounting groove of integral structure is provided on the inner wall of the gearbox middle casing and idler shaft peace of reversing gear
Holder is filled, the oil suction tube head mounting groove is set to the lower section for idler shaft mounting bracket of reversing gear, and the oil suction tube head is set to suction
In tubing head mounting groove.
The outer cover of the oil suction tube head is equipped with lubricating oil coarse filtration cover, and the lubricating oil coarse filtration, which is provide with, is placed in oil suction tube head peace
In tankage.
The end of the oil suction tube head is enclosed construction, overall diameter and the oil suction tube head mounting groove of the lubricating oil coarse filtration cover
The difference of interior diameter is 3mm-10mm.
Compared with prior art, the beneficial effects of the utility model are：
1, in a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure of the utility model using fuel sucking pipe
Structure replaces the structure of the existing oil-sucking hole being integrated on shell, not only reduces the weight of gear box casing, and reduce
The manufacture difficulty of gearbox middle casing, simplifies manufacturing process, reduces production cost.Therefore, the fuel sucking pipe structure of the design
Gearbox weight is effectively reduced, the manufacturing process of gearbox middle casing is simplified.
2, in a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure of the utility model oil scavenge pump connector with
Oil pump suction tube carries out Butt sealing by the pretightning force of bolts assemblies between gearbox front housing body and gearbox middle casing,
Ensure to simplify the mounting process of gearbox while sealing.Therefore, the design sealed reliable effectively improves efficiency of assembling.
3, the oil suction tube head setting in a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure of the utility model
In the lower section for the idle pulley that reverses gear, the rotation for the idle pulley that reverses gear is easy to cause oil suction tube head sucking air, the structure of oil suction tube head mounting groove
The fluid mixing air for avoiding idle pulley splashing of reversing gear is directly entered oil suction tube head, improves the reliable of Oil sucking device in gearbox
Property, gearbox lubrication is optimized, therefore, the design effectively avoids emptying phenomenon, optimizes gearbox lubrication.
4, the gearbox fuel sucking pipe in a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure of the utility model
Directly being connected to oil pump suction tube makes fluid reach oil scavenge pump, effectively optimizes gearbox inlet line structure, therefore, the design
Inlet line reasonable design, oil circuit reliability are high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of gearbox middle casing in Fig. 1.
Fig. 3 is the structural schematic diagram of gearbox fuel sucking pipe in Fig. 1.
Fig. 4 is the structural schematic diagram of lubricating oil coarse filtration cover in Fig. 1.
In figure：Gearbox front housing body 1, procapsid backboard 11, oil pump suction tube 12, gearbox middle casing 2, oil suction tube head peace
Tankage 21, idler shaft mounting bracket 22 of reversing gear, fuel sucking pipe support base 23, gearbox fuel sucking pipe 3, oil scavenge pump connector 31, oil suction
Tube head 32, inlet port 33, fuel sucking pipe compressed part 34, oil suction pipe fixed part 35, lubricating oil coarse filtration cover 4.
Specific implementation mode
The utility model is described in further detail below in conjunction with description of the drawings and specific implementation mode.
Referring to Fig. 1 to Fig. 4, a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure, including gearbox front housing
Body 1 and gearbox middle casing 2, the gearbox front housing body 1 are connected by bolt with gearbox middle casing 2, the gearbox
Procapsid 1 and the junction of gearbox middle casing 2 are provided with procapsid backboard 11, and one is provided on the procapsid backboard 11
The oil pump suction tube 12 of structure；
Gearbox fuel sucking pipe 3 is provided in the gearbox middle casing 2, one end of the gearbox fuel sucking pipe 3 is oil suction
Connector 31 is pumped, the oil scavenge pump connector 31 is sealed by one end of sealing ring and oil pump suction tube 12 to be coordinated, the oil pump
The other end of fuel sucking pipe 12 is connected with the gearbox oil scavenge pump in gearbox front housing body 1；
The other end of the gearbox fuel sucking pipe 3 is oil suction tube head 32, and the oil suction tube head 32 is set to shell in gearbox
The bottom of body 2 is evenly distributed with multiple inlet ports 33 on the side wall circumference of the oil suction tube head 32.
Fuel sucking pipe support base 23 is provided on the inner wall of the gearbox middle casing 2, the oil suction tube head 32 includes oil suction
One end of pipe compressed part 34 and oil suction pipe fixed part 35, the fuel sucking pipe compressed part 34 is close by sealing ring and oil pump suction tube 12
Envelope cooperation, the other end of the fuel sucking pipe compressed part 34 are fixedly connected with oil suction pipe fixed part 35, the oil suction pipe fixed part 35
It is connected with fuel sucking pipe support base 23 by least two bolts.
The oil suction tube head mounting groove 21 of integral structure is provided on the inner wall of the gearbox middle casing 2 and the idler shaft that reverses gear
Mounting bracket 22, the oil suction tube head mounting groove 21 are set to the lower section for idler shaft mounting bracket 22 of reversing gear, the oil suction tube head
32 are set in oil suction tube head mounting groove 21.
The outer cover of the oil suction tube head 32 is equipped with lubricating oil coarse filtration cover 4, and the lubricating oil coarse filtration cover 4 is set to fuel sucking pipe
In head mounting groove 21.
The end of the oil suction tube head 32 is enclosed construction, and overall diameter and the oil suction tube head of the lubricating oil coarse filtration cover 4 are pacified
The difference of 21 interior diameter of tankage is 3mm-10mm.
The principles of the present invention are described as follows：
Oil scavenge pump connector 31 is coordinated by the sealing of sealing ring and oil pump suction tube 12, oil scavenge pump connector 31 and oil pump
Pretightning force between fuel sucking pipe 12 is that the urgent bolt being connect with gearbox middle casing 2 by gearbox front housing body 1 provides.
Embodiment 1：
A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure, including in gearbox front housing body 1 and gearbox
Shell 2, the gearbox front housing body 1 are connected by bolt with gearbox middle casing 2, the gearbox front housing body 1 and speed change
The junction of case middle casing 2 is provided with procapsid backboard 11, and the oil pump that integral structure is provided on the procapsid backboard 11 is inhaled
Oil pipe 12；Gearbox fuel sucking pipe 3 is provided in the gearbox middle casing 2, one end of the gearbox fuel sucking pipe 3 is oil scavenge pump
Connector 31, the oil scavenge pump connector 31 is sealed by one end of sealing ring and oil pump suction tube 12 to be coordinated, and the oil pump is inhaled
The other end of oil pipe 12 is connected with the gearbox oil scavenge pump in gearbox front housing body 1；The other end of the gearbox fuel sucking pipe 3
For oil suction tube head 32, the oil suction tube head 32 is set to the bottom of gearbox middle casing 2, the side wall circumference of the oil suction tube head 32
On be evenly distributed with multiple inlet ports 33；The oil suction tube head peace of integral structure is provided on the inner wall of the gearbox middle casing 2
Tankage 21 and idler shaft mounting bracket 22 of reversing gear, the oil suction tube head mounting groove 21 are set to idler shaft mounting bracket 22 of reversing gear
Lower section, the oil suction tube head 32 are set in oil suction tube head mounting groove 21.
Embodiment 2：
Embodiment 2 is substantially the same manner as Example 1, the difference is that：
Fuel sucking pipe support base 23 is provided on the inner wall of the gearbox middle casing 2, the oil suction tube head 32 includes oil suction
One end of pipe compressed part 34 and oil suction pipe fixed part 35, the fuel sucking pipe compressed part 34 is close by sealing ring and oil pump suction tube 12
Envelope cooperation, the other end of the fuel sucking pipe compressed part 34 are fixedly connected with oil suction pipe fixed part 35, the oil suction pipe fixed part 35
It is connected with fuel sucking pipe support base 23 by least two bolts.
Embodiment 3：
Embodiment 3 is substantially the same manner as Example 2, the difference is that：
The outer cover of the oil suction tube head 32 is equipped with lubricating oil coarse filtration cover 4, and the lubricating oil coarse filtration cover 4 is set to fuel sucking pipe
In head mounting groove 21.
The end of the oil suction tube head 32 is enclosed construction, and overall diameter and the oil suction tube head of the lubricating oil coarse filtration cover 4 are pacified
The difference of 21 interior diameter of tankage is 3mm-10mm.
Claims (5)
1. a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure, including gearbox front housing body（1）In gearbox
Shell（2）, the gearbox front housing body（1）Pass through bolt and gearbox middle casing（2）It is connected, it is characterised in that：
The gearbox front housing body（1）With gearbox middle casing（2）Junction be provided with procapsid backboard（11）, the front housing
Body backboard（11）On be provided with the oil pump suction tube of integral structure（12）；
The gearbox middle casing（2）Inside it is provided with gearbox fuel sucking pipe（3）, the gearbox fuel sucking pipe（3）One end be inhale
Oil pump connector（31）, the oil scavenge pump connector（31）Pass through sealing ring and oil pump suction tube（12）One end sealing cooperation,
The oil pump suction tube（12）The other end and gearbox front housing body（1）Interior gearbox oil scavenge pump is connected；
The gearbox fuel sucking pipe（3）The other end be oil suction tube head（32）, the oil suction tube head（32）It is set in gearbox
Shell（2）Bottom, the oil suction tube head（32）Side wall circumference on be evenly distributed with multiple inlet ports（33）.
2. a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure according to claim 1, it is characterised in that：
The gearbox middle casing（2）Inner wall on be provided with fuel sucking pipe support base（23）, the oil suction tube head（32）Including inhaling
Oil pipe compressed part（34）With oil suction pipe fixed part（35）, the fuel sucking pipe compressed part（34）One end pass through sealing ring and oil pump and inhale
Oil pipe（12）Sealing cooperation, the fuel sucking pipe compressed part（34）The other end and oil suction pipe fixed part（35）It is fixedly connected, it is described
Oil suction pipe fixed part（35）Pass through at least two bolts and fuel sucking pipe support base（23）It is connected.
3. a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure according to claim 1 or 2, feature exist
In：
The gearbox middle casing（2）Inner wall on be provided with the oil suction tube head mounting groove of integral structure（21）With the idler shaft that reverses gear
Mounting bracket（22）, the oil suction tube head mounting groove（21）It is set to idler shaft mounting bracket of reversing gear（22）Lower section, the suction
Tubing head（32）It is set to oil suction tube head mounting groove（21）It is interior.
4. a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure according to claim 3, it is characterised in that：
The oil suction tube head（32）Outer cover be equipped with lubricating oil coarse filtration cover（4）, the lubricating oil coarse filtration cover（4）It is set to oil suction
Tube head mounting groove（21）It is interior.
5. a kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure according to claim 4, it is characterised in that：
The oil suction tube head（32）End be enclosed construction, the lubricating oil coarse filtration cover（4）Overall diameter and oil suction tube head pacify
Tankage（21）The difference of interior diameter is 3mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878783.9U CN207961483U (en) | 2017-12-28 | 2017-12-28 | A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878783.9U CN207961483U (en) | 2017-12-28 | 2017-12-28 | A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure |
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| Publication Number | Publication Date |
|---|---|
| CN207961483U true CN207961483U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721878783.9U Active CN207961483U (en) | 2017-12-28 | 2017-12-28 | A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989988A (en) * | 2018-03-22 | 2018-05-04 | 东风商用车有限公司 | A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure |
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2017
- 2017-12-28 CN CN201721878783.9U patent/CN207961483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989988A (en) * | 2018-03-22 | 2018-05-04 | 东风商用车有限公司 | A kind of heavy-duty power transmission semi open model gearbox lubrication oil suction structure |
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