CN113700553B - Engine auxiliary output structure and automobile - Google Patents
Engine auxiliary output structure and automobile Download PDFInfo
- Publication number
- CN113700553B CN113700553B CN202110980257.8A CN202110980257A CN113700553B CN 113700553 B CN113700553 B CN 113700553B CN 202110980257 A CN202110980257 A CN 202110980257A CN 113700553 B CN113700553 B CN 113700553B
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- Prior art keywords
- gear
- auxiliary output
- engine
- output structure
- gear shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/007—Adaptations for cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of engine design, in particular to an auxiliary output structure of an engine and an automobile. The engine auxiliary output structure comprises an engine, a transmission assembly, a sealing cover and a supporting seat, wherein a gear chamber is arranged on the engine; the transmission assembly is rotatably arranged in the gear chamber and comprises a gear shaft and a gear sleeved at one end of the gear shaft; the sealing cover is arranged at one end of the gear chamber and can be abutted against one end of the gear; the supporting seat is arranged at the other end of the gear chamber, the gear shaft penetrates through the supporting seat, and a transmission shaft of the hydraulic pump is connected with the gear shaft through a spline. The auxiliary output structure of the engine is easy to disassemble and assemble and simple in structure, and the whole assembly performance and the sealing performance are guaranteed while the hydraulic pump is convenient to disassemble and assemble.
Description
Technical Field
The invention relates to the technical field of engine design, in particular to an auxiliary output structure of an engine and an automobile.
Background
In non-road mobile machinery such as a forklift, a harvester, a tractor, a bulldozer and the like, an engine is provided with a flywheel for outputting main power, and is often provided with an auxiliary output structure for driving accessories on the whole vehicle to lift, implement actions and the like.
Disclosure of Invention
One of the objects of the present invention is to provide an auxiliary output structure of an engine, which is easy to assemble and disassemble and has a simple structure, and which ensures the overall assembly and sealing performance while facilitating the assembly and disassembly of a hydraulic pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
an engine auxiliary output structure comprising:
the engine is provided with a gear chamber;
the transmission assembly is rotatably arranged in the gear chamber and comprises a gear shaft and a gear sleeved at one end of the gear shaft;
the sealing cover is arranged at one end of the gear chamber and can be abutted against one end of the gear;
the supporting seat, the supporting seat sets up the other end of gear room, the gear shaft is worn to establish in the supporting seat, and the transmission shaft of hydraulic pump with gear shaft splined connection.
Preferably, the engine comprises an engine cylinder body and a gear chamber end cover, the gear chamber end cover and the engine cylinder body are respectively provided with a first installation through hole and a second installation through hole which are coaxial to form the gear chamber, the gear is arranged in the gear chamber end cover, two ends of the gear chamber end cover are respectively installed on the gear chamber end cover and the supporting seat, and the sealing cover is installed at one end of the supporting seat, which is far away from the gear chamber end cover.
Preferably, the auxiliary output structure of the engine further comprises a bushing, the bushing can be sleeved outside the gear shaft, and two ends of the bushing are respectively abutted to the gear and the end face of the supporting seat.
Preferably, the support seat is provided with a high-position oil inlet channel and a corresponding low-position oil outlet channel along the radial direction, and lubricating oil flows in from the high-position oil inlet channel, passes through the gear shaft and flows out from the low-position oil outlet channel.
Preferably, the outer wall of the gear shaft is provided with a drainage through hole along the radial direction, and the lubricating oil passes through the gear shaft and then passes through the transmission shaft along the drainage through hole and flows out of the low-level oil outlet channel.
Preferably, the engine auxiliary output structure further comprises an oil inlet pipe, and the oil inlet pipe is arranged on the supporting seat and communicated with the high-level oil inlet channel.
Preferably, a first oil storage groove is formed in the bushing, and the first oil storage groove is respectively communicated with the high-position oil inlet channel and the drainage through hole.
Preferably, a second oil sump is provided at one end of the seal cover in contact with the gear.
Preferably, the inner wall of the gear shaft is provided with an internal spline, and the outer wall of the transmission shaft is provided with an external spline.
Has the advantages that: the invention provides an auxiliary output structure of an engine. During the installation, set up respectively at the both ends of gear room in order to avoid the engine to take place the axial float at the during operation drive assembly through sealed lid and supporting seat, and the splined connection through gear shaft and transmission shaft not only guarantees that concentric messenger transmission between them is stable, can also need not to dismantle other spare part alright dismouting hydraulic pump, the maintenance of being convenient for. The auxiliary output structure of the engine is easy to disassemble and assemble and simple in structure, and the whole assembly performance and the sealing performance are guaranteed while the hydraulic pump is convenient to disassemble and assemble.
Another object of the present invention is to provide an auxiliary output structure for an engine, which is easy to assemble and disassemble and has a simple structure, and which ensures the overall assembly and sealing performance while facilitating the assembly and disassembly of a hydraulic pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automobile comprises a frame and the engine auxiliary output structure, wherein the engine auxiliary output structure is arranged in the frame.
Has the beneficial effects that: the invention provides an automobile, wherein an engine auxiliary output structure in the automobile is easy to disassemble and assemble and simple in structure, and the hydraulic pump is convenient to disassemble and assemble while the overall assembly and the sealing performance are ensured.
Drawings
FIG. 1 is a schematic structural view of an engine auxiliary output structure provided by the present invention;
FIG. 2 is a partial sectional view of the engine auxiliary output structure of the present invention connected to a hydraulic pump
Fig. 3 is a partial enlarged view of a portion a of fig. 2 according to the present invention.
Wherein:
11. an engine block; 12. a gear chamber end cover;
2. a transmission assembly; 21. a gear shaft; 211. a drainage through hole; 22. a gear;
3. a sealing cover;
4. a supporting seat; 41. a high-level oil inlet channel; 42. a low-level oil outlet channel;
5. a bushing; 51. a first oil sump;
100. a drive shaft.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and fig. 2, the present embodiment provides an auxiliary output structure of an engine, which includes an engine, a transmission assembly 2, a sealing cover 3 and a supporting seat 4, wherein a gear chamber is disposed on the engine; the transmission assembly 2 is rotatably arranged in the gear chamber, and the transmission assembly 2 comprises a gear shaft 21 and a gear 22 sleeved at one end of the gear shaft 21; the sealing cover 3 is arranged at one end of the gear chamber and can be abutted against one end of the gear 22; the supporting seat 4 is arranged at the other end of the gear chamber, the gear shaft 21 is arranged in the supporting seat 4 in a penetrating mode, and the transmission shaft 100 of the hydraulic pump is connected with the gear shaft 21 in a spline mode.
During the installation, set up respectively at the both ends of gear room in order to avoid the engine to take place the axial float at during operation drive assembly 2 through sealed lid 3 and supporting seat 4, and the splined connection through gear shaft 21 and transmission shaft 100 not only guarantees that concentric messenger transmission between them is stable, can also need not to dismantle other spare part alright dismouting hydraulic pump, the maintenance of being convenient for. The auxiliary output structure of the engine is easy to disassemble and assemble and simple in structure, and the whole assembly performance and the sealing performance are guaranteed while the hydraulic pump is convenient to disassemble and assemble.
Illustratively, the engine is a diesel engine.
Illustratively, the hydraulic pump is a gear pump.
Specifically, the inner wall of the gear shaft 21 is provided with an internal spline, and the outer wall of the transmission shaft 100 is provided with an external spline, so as to realize the spline connection between the transmission shaft 100 and the gear shaft 21.
Specifically, the engine includes engine cylinder body 11 and gear room end cover 12, has seted up coaxial first installation through-hole and second installation through-hole respectively on gear room end cover 12 and the engine cylinder body 11 in order to form the gear room, and gear 22 sets up in gear room end cover 12, and gear room end cover 12 and supporting seat 4 are installed respectively to the both ends of gear room end cover 12, and sealed lid 3 is installed in the one end that supporting seat 4 was kept away from to gear room end cover 12, and sealed lid 3 and gear shaft 21 clearance fit. Namely, the gear 22 can only be arranged in the gear chamber end cover 12 to further limit the axial movement of the counter gear 22 along the direction close to the supporting seat 4, and the sealing cover 3 limits the axial movement of the counter gear 22 along the opposite direction.
In this embodiment, the gear 22 and the gear shaft 21 are designed separately, which reduces the manufacturing and maintenance costs, and certainly, in other embodiments, the gear 22 and the gear shaft 21 may be an integrally formed structure, which is not limited in this embodiment.
Preferably, the engine auxiliary output structure further comprises a bushing 5, the bushing 5 can be sleeved outside the gear shaft 21, and two ends of the bushing 5 are respectively abutted against the gear 22 and the end face of the support seat 4, that is, the movement of the gear 22 on the gear shaft 21 is further limited by the bushing 5.
In this embodiment, bush 5 is hollow structure's sleeve, the outer wall of bush 5 and 4 interference fit of supporting seat are in order to guarantee the stability of installation, the inner wall of bush 5 and the convenient and easy maintenance of dismouting of gear shaft 21 clearance fit, thereby ensure gear shaft 21 pivoted stability, and the inner wall of bush 5 is a smooth surface of revolution with the outer surface looks adaptation of gear shaft 21, the precision of 5 inner walls of bush has been improved, ensure that the stability of gear shaft 21 when high-speed operation with not damaged, the life of gear shaft 21 has effectively been prolonged.
Furthermore, a high-position oil inlet channel 41 and a corresponding low-position oil outlet channel 42 are formed in the support seat 4 along the radial direction, and lubricating oil flows in from the high-position oil inlet channel 41, passes through the gear shaft 21 and flows out from the low-position oil outlet channel 42, so that the cooling and lubricating effects on the transmission assembly 2 are achieved, and smooth oil inlet and oil return are achieved through the matching of the high-position oil inlet channel 41 and the low-position oil inlet channel.
Further, as shown in fig. 3, a drainage through hole 211 is formed in the outer wall of the gear shaft 21 along the radial direction, and the lubricating oil passes through the gear shaft 21 and then passes through the transmission shaft 100 along the drainage through hole 211 and flows out from the low-level oil outlet passage 42, so as to cool and lubricate the transmission shaft 100 of the hydraulic pump.
Specifically, the auxiliary output structure of the engine further includes an oil inlet pipe, which is disposed on the support seat 4 and is communicated with the high-level oil inlet channel 41, so that the lubricating oil flows into the high-level oil inlet channel 41 through the oil inlet pipe.
Considering that the present embodiment further includes a bushing 5 sleeved outside the gear shaft 21, the bushing 5 is provided with a first oil storage tank 51, the first oil storage tank 51 is respectively communicated with the high-position oil inlet channel 41 and the drainage through hole 211, that is, the lubricating oil enters the oil storage tank through the high-position oil inlet channel 41 and flows into the gear shaft 21 and the transmission shaft 100 and then flows out from the low-position oil outlet channel 42, so as to lubricate the bushing 5, the gear shaft 21 and the transmission shaft 100, and prolong the service life.
Further, a second oil storage groove is formed in one end, abutted to the gear 22, of the sealing cover 3, so that lubricating oil can lubricate the gear 22 conveniently.
The embodiment also provides an automobile which comprises a frame and the engine auxiliary output structure, wherein the engine auxiliary output structure is arranged in the frame.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.
Claims (10)
1. The utility model provides an engine auxiliary output structure for external hydraulic pump, its characterized in that includes:
the engine is provided with a gear chamber;
the transmission assembly (2) is rotatably arranged in the gear chamber, and the transmission assembly (2) comprises a gear shaft (21) and a gear (22) sleeved at one end of the gear shaft (21);
the sealing cover (3) is arranged at one end of the gear chamber and can be abutted against one end of the gear (22), and the sealing cover (3) is in clearance fit with the gear shaft (21);
the supporting seat (4), the supporting seat (4) set up the other end of gear room, gear shaft (21) wear to establish in supporting seat (4), and transmission shaft (100) of hydraulic pump with gear shaft (21) splined connection.
2. The engine auxiliary output structure of claim 1, characterized in that the engine comprises an engine cylinder body (11) and a gear chamber end cover (12), the gear chamber end cover (12) and the engine cylinder body (11) are respectively provided with a first mounting through hole and a second mounting through hole which are coaxial to form the gear chamber, the gear (22) is arranged in the gear chamber end cover (12), the two ends of the gear chamber end cover (12) are respectively provided with the sealing cover (3) and the supporting seat (4), and the sealing cover (3) is arranged at one end of the gear chamber end cover (12) far away from the supporting seat (4).
3. The engine auxiliary output structure according to claim 1, characterized in that the engine auxiliary output structure further comprises a bush (5), the bush (5) can be sleeved outside the gear shaft (21), and both ends of the bush (5) abut against the end surfaces of the gear (22) and the support base (4), respectively.
4. The engine auxiliary output structure according to claim 3, wherein the support base (4) is provided with a high-level oil inlet channel (41) and a corresponding low-level oil outlet channel (42) along a radial direction, and the lubricating oil flows from the high-level oil inlet channel (41) into the gear shaft (21) and flows out from the low-level oil outlet channel (42).
5. The engine auxiliary output structure according to claim 4, characterized in that the outer wall of the gear shaft (21) is provided with a drainage through hole (211) in the radial direction, and the lubricating oil passes through the gear shaft (21), then passes through the transmission shaft (100) along the drainage through hole (211), and flows out from the low-level oil outlet channel (42).
6. The engine auxiliary output structure as set forth in claim 4, characterized in that it further comprises an oil inlet pipe provided on said support base (4) and communicating with said high level oil inlet passage (41).
7. The engine auxiliary output structure according to claim 5, characterized in that a first oil sump (51) is formed in the bushing (5), and the first oil sump (51) is respectively communicated with the high-level oil inlet passage (41) and the drainage through hole (211).
8. The engine auxiliary output structure according to claim 1, characterized in that a second oil sump is provided at an end of the seal cover (3) abutting against the gear (22).
9. The engine auxiliary output structure according to any one of claims 1 to 8, wherein the gear shaft (21) is provided with internal splines on an inner wall thereof, and the propeller shaft (100) is provided with external splines on an outer wall thereof.
10. An automobile, characterized by comprising a frame and an engine auxiliary output structure according to any one of claims 1 to 9, the engine auxiliary output structure being mounted in the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980257.8A CN113700553B (en) | 2021-08-25 | 2021-08-25 | Engine auxiliary output structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980257.8A CN113700553B (en) | 2021-08-25 | 2021-08-25 | Engine auxiliary output structure and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113700553A CN113700553A (en) | 2021-11-26 |
| CN113700553B true CN113700553B (en) | 2022-11-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110980257.8A Active CN113700553B (en) | 2021-08-25 | 2021-08-25 | Engine auxiliary output structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113700553B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004059148A1 (en) * | 2002-12-26 | 2004-07-15 | Yanmar Co., Ltd. | Hydraulic timer unit and fuel injection pump with the same |
| CN103807011A (en) * | 2012-11-07 | 2014-05-21 | 广西玉柴机器股份有限公司 | Power takeoff device for oppositely-arranged double hydraulic pumps of diesel engine |
| CN103925077A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Auxiliary power output structure of diesel engine |
| CN203856534U (en) * | 2014-05-21 | 2014-10-01 | 重庆润通动力有限公司 | Lubricating structure of auxiliary power output device of non-road diesel engine |
| CN106015529A (en) * | 2016-08-03 | 2016-10-12 | 广西玉柴机器股份有限公司 | Power output structure of engine hydraulic pump |
| CN106150687A (en) * | 2016-08-30 | 2016-11-23 | 广西玉柴机器股份有限公司 | The PTO of internal combustion engine gear chamber |
| CN107035513A (en) * | 2017-04-17 | 2017-08-11 | 广西玉柴机械股份有限公司 | A kind of PTO of diesel engine used not on road |
| CN206530676U (en) * | 2017-01-20 | 2017-09-29 | 潍柴动力股份有限公司 | A kind of new type power output device |
-
2021
- 2021-08-25 CN CN202110980257.8A patent/CN113700553B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004059148A1 (en) * | 2002-12-26 | 2004-07-15 | Yanmar Co., Ltd. | Hydraulic timer unit and fuel injection pump with the same |
| CN103807011A (en) * | 2012-11-07 | 2014-05-21 | 广西玉柴机器股份有限公司 | Power takeoff device for oppositely-arranged double hydraulic pumps of diesel engine |
| CN103925077A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Auxiliary power output structure of diesel engine |
| CN203856534U (en) * | 2014-05-21 | 2014-10-01 | 重庆润通动力有限公司 | Lubricating structure of auxiliary power output device of non-road diesel engine |
| CN106015529A (en) * | 2016-08-03 | 2016-10-12 | 广西玉柴机器股份有限公司 | Power output structure of engine hydraulic pump |
| CN106150687A (en) * | 2016-08-30 | 2016-11-23 | 广西玉柴机器股份有限公司 | The PTO of internal combustion engine gear chamber |
| CN206530676U (en) * | 2017-01-20 | 2017-09-29 | 潍柴动力股份有限公司 | A kind of new type power output device |
| CN107035513A (en) * | 2017-04-17 | 2017-08-11 | 广西玉柴机械股份有限公司 | A kind of PTO of diesel engine used not on road |
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| CN113700553A (en) | 2021-11-26 |
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