CN118653927A - Multi-output engine and agricultural machinery - Google Patents
Multi-output engine and agricultural machinery Download PDFInfo
- Publication number
- CN118653927A CN118653927A CN202411034290.1A CN202411034290A CN118653927A CN 118653927 A CN118653927 A CN 118653927A CN 202411034290 A CN202411034290 A CN 202411034290A CN 118653927 A CN118653927 A CN 118653927A
- Authority
- CN
- China
- Prior art keywords
- shaft
- speed
- gear
- crankshaft
- auxiliary
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000009467 reduction Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 10
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a multi-output engine and an agricultural machine, wherein the multi-output engine comprises a crankcase and a crankshaft rotatably arranged in the crankcase, and is characterized by comprising a main box body, wherein one side of the main box body is open and is hermetically connected with an auxiliary box body, and the other side of the auxiliary box body is provided with a box cover in a closed manner; the auxiliary box body is internally provided with a speed reducing shaft and a speed changing shaft which are arranged in parallel with the crankshaft, a speed changing gear set is arranged between the speed reducing shaft and the speed changing shaft in a transmission manner, the box cover is provided with a connecting hole which is coaxial with the speed reducing shaft and/or the speed changing shaft correspondingly, and the speed reducing shaft and/or the speed changing shaft form an output end towards one end corresponding to the connecting hole; the speed reducing shaft is in transmission connection with the crankshaft. The invention has the advantages of reasonable structural design, multiple power output ends, compact structure and the like.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a multi-output engine and an agricultural machine.
Background
The engine converts energy such as gasoline, diesel oil and the like into kinetic energy to drive machinery, and the engine is generally composed of a crank-link mechanism, a valve mechanism, a fuel supply system and the like, wherein the crank-link mechanism is a main moving part for realizing working circulation of the engine and completing energy conversion. It is composed of cylinder head, box body, crankshaft flywheel set combined by piston and connecting rod, etc. In the power stroke, the piston bears the pressure of the fuel gas to do linear motion in the cylinder, is converted into rotary motion of the crankshaft through the connecting rod, and outputs power from the crankshaft to the outside.
In general, power of an engine is output from a crankshaft, and then is transmitted to a driven member after being decelerated by a transmission mechanism, and for a device having a plurality of driven members or expandable driven members, in order to satisfy power demands of the plurality of driven members, a plurality of output shafts are required to be provided on the transmission mechanism, which increases the volume of the transmission mechanism. Meanwhile, since the engine and the speed change mechanism are independently provided, the layout space of the two is also increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: how to provide a structural design rationally, possess a plurality of power take off end, compact structure's many output engine.
In order to solve the technical problems, the invention adopts the following technical scheme:
The multi-output engine comprises a crankcase and a crankshaft rotatably arranged in the crankcase, and is characterized by comprising a main box body, wherein one side of the main box body is open and is hermetically connected with a secondary box body, and the other side of the secondary box body is hermetically provided with a box cover; the auxiliary box body is internally provided with a speed reducing shaft and a speed changing shaft which are arranged in parallel with the crankshaft, a speed changing gear set is arranged between the speed reducing shaft and the speed changing shaft in a transmission manner, the box cover is provided with a connecting hole which is coaxial with the speed reducing shaft and/or the speed changing shaft correspondingly, and the speed reducing shaft and/or the speed changing shaft form an output end towards one end corresponding to the connecting hole; the speed reducing shaft is in transmission connection with the crankshaft.
In the structure, as the speed reducing shaft and the speed changing shaft penetrate through the box cover to form the output end, the power of the engine is transmitted to the speed reducing shaft through the crankshaft, and the speed changing gear set is arranged between the speed reducing shaft and the speed changing shaft in a transmission mode, so that the output ends of the speed reducing shaft and the speed changing shaft can output different rotating speeds and torques, and the working requirements of different working conditions are met.
Further, the speed change gear set includes a double gear slidably disposed on the speed reduction shaft, and a high-speed driven gear and a low-speed driven gear disposed on the speed change shaft, the double gear including a high-speed driving gear and a low-speed driving gear switchably engaged with the high-speed driven gear and the low-speed driven gear, respectively.
Further, the auxiliary box body is also provided with a shifting fork shaft which is parallel to the speed reducing shaft, and the shifting fork shaft is provided with a shifting fork for moving the duplex gear, so that the high-speed driving gear or the low-speed driving gear is meshed with the corresponding high-speed driven gear or low-speed driven gear.
Further, the auxiliary box body is also provided with at least one auxiliary shaft which is arranged in parallel with the speed reducing shaft, the auxiliary shaft is in transmission connection with the speed reducing shaft, the speed changing shaft or the adjacent auxiliary shaft through a speed reducing gear set, and one end of the auxiliary shaft penetrates out of the box cover or the auxiliary box body to form an output end.
Further, a clutch is arranged between the speed reducing shaft and the crankshaft.
Further, one end of the clutch is in transmission connection with the crankshaft, and the other end of the clutch is provided with an output shaft which is in transmission connection with the speed reducing shaft through gears meshed with each other.
Further, a rotatable cam shaft is arranged in the crank case, and the crank shaft is in transmission connection with the cam shaft through a speed reducing mechanism; the camshaft is coaxially connected with the clutch.
Further, the speed reducing mechanism comprises a high-speed gear coaxially arranged on the crankshaft and a low-speed gear coaxially arranged on the camshaft, and the high-speed gear and the low-speed gear are meshed with each other.
Further, a hollow hole is formed between the main box body and the auxiliary box body, and the lowest part of the hollow hole is not lower than the bottom surface of the main box body, so that lubricating oil in the main box body and lubricating oil in the auxiliary box body can circulate.
An agricultural machine comprising a multiple output engine as described above.
In conclusion, the invention has the advantages of reasonable structural design, multiple power output ends, compact structure and the like.
Drawings
Fig. 1 is a schematic overall structure of the present embodiment.
Fig. 2 is a schematic side view of the present embodiment.
Fig. 3 is a schematic cross-sectional view of A-A of fig. 2.
Fig. 4 and 5 are exploded views of the present embodiment.
Fig. 6 and 7 are schematic views of the internal gear transmission of the sub-tank.
Fig. 8 is a schematic structural view of the sub-tank.
Detailed Description
The present invention will be described in further detail with reference to examples.
The specific implementation method comprises the following steps: as shown in fig. 1 to 8, a multi-output engine comprises a crank case 1 and a crank shaft 2 rotatably arranged in the crank case 1, wherein the crank case 1 comprises a main case 11, one side of the main case 1 is open and is hermetically connected with a secondary case 12, and the other side of the secondary case 12 is hermetically provided with a case cover 13; the auxiliary box body 12 is internally provided with a speed reducing shaft 15 and a speed changing shaft 16 which are arranged in parallel with the crankshaft 2, a speed changing gear set is arranged between the speed reducing shaft 15 and the speed changing shaft 16 in a transmission manner, the box cover 13 is provided with a connecting hole which is coaxial with the speed reducing shaft 15 and the speed changing shaft 16, and one end of the speed reducing shaft 15 and one end of the speed changing shaft 16, which correspond to the connecting hole, form an output end; the reduction shaft 15 is in driving connection with the crankshaft 2.
In this embodiment, a rotatable cam shaft 3 is further disposed in the crankcase 1, and the crankshaft 2 is in transmission connection with the cam shaft 3 through a reduction mechanism 6; one end of the camshaft 3 is coaxially connected with a clutch 4, the clutch 4 is arranged on the crankcase 1, and the other end is provided with an output shaft 41; the output shaft 41 is connected to the reduction shaft 15 by means of a geared transmission. Wherein the reduction mechanism 6 includes a high-speed gear 61 coaxially provided on the crankshaft 2 and a low-speed gear 62 coaxially provided on the camshaft 3, the high-speed gear 61 and the low-speed gear 62 being meshed with each other.
The speed change gear set includes a double gear slidably provided on the reduction shaft 15, and a high-speed driven gear 161 and a low-speed driven gear 162 provided on the speed change shaft 16, the double gear including a high-speed driving gear 151 and a low-speed driving gear 152 switchably engaged with the high-speed driven gear 161 and the low-speed driven gear 162, respectively. Specifically, the auxiliary box 12 further has a shift rail 17 disposed parallel to the reduction shaft 15, and the shift rail 17 is provided with a shift fork for moving the duplex gear, so that the high-speed driving gear 151 or the low-speed driving gear 152 is meshed with the corresponding high-speed driven gear 161 or low-speed driven gear 162.
In order to provide power output at different speeds, the auxiliary box 12 is further provided with an auxiliary shaft 18 parallel to the reduction shaft 15, the auxiliary shaft 18 is in transmission connection with the speed change shaft 16 through a reduction gear set, as shown in fig. 6 to 7, in this embodiment, one end of the auxiliary shaft 18 penetrates through the box cover 13 to form an output end, the box cover 13 is provided with a connecting hole corresponding to the reduction shaft 15, the speed change shaft 16 and the auxiliary shaft 18, and one end of the reduction shaft 15, the speed change shaft 16 and the auxiliary shaft 18 facing the corresponding connecting hole is provided with an internal spline. In specific implementation, the number of the connecting holes can be set according to the needs, and meanwhile, a plurality of auxiliary shafts 18 can be set according to the needs, and the auxiliary shafts 18 are in transmission connection with the speed reducing shafts 15, the speed changing shafts 16 or the adjacent auxiliary shafts 18 through a speed reducing gear set. In the present embodiment, the clutch 4 is coaxially connected to the camshaft 3, and engine power is transmitted from the crankshaft to the camshaft and then from the camshaft to the clutch. In a specific implementation, the clutch 4 may be coaxially connected to the crankshaft 2, and power is directly transmitted from the crankshaft to the clutch.
The multi-output engine of the embodiment has the advantages that as the speed reducing shaft, the speed changing shaft and the auxiliary shaft are provided with the output ends capable of penetrating out of the box cover, the power of the engine is transmitted to the speed reducing shaft through the crankshaft, and the speed changing gear set is arranged between the speed reducing shaft and the speed changing shaft in a transmission mode, the output ends of the speed reducing shaft and the speed changing shaft can output different rotating speeds and torques, and the working requirements of different working conditions are met.
In this embodiment, a first bearing seat 121 and a second bearing seat 122 are disposed on a side of the auxiliary housing 12 facing the main housing 1, two ends of the crankshaft 2 are rotatably mounted on the main housing 11 and the first bearing seat 121 through bearings, one end of the camshaft 3 coaxially connected with the clutch 4 is rotatably supported on the second bearing seat 122 through bearings, and opposite ends are mounted on the main housing 11 and the case cover 13 through bearings, respectively. The clutch 4 is a normally open clutch, the clutch 4 includes a clutch fork 42 and a clutch arm shaft 43, the clutch arm shaft 43 rotatably penetrates the cover 13, and the clutch fork 42 is connected to the clutch arm shaft 43.
The main box body 11 and the auxiliary box body 12 are provided with communicated hollowed-out holes 14, and the lowest position of each hollowed-out hole 14 is not lower than the bottom surface of the main box body 11, so that lubricating oil in the main box body 11 and lubricating oil in the auxiliary box body 12 can circulate. Therefore, the main box body and the auxiliary box body can be communicated into a whole, the clutch is arranged in the crankcase, and the clutch is additionally arranged in the crankcase, so that the volume of the inner cavity of the crankcase is increased, the lubricating oil quantity of the crankcase is increased, and lubricating oil can be better dissipated for the crankcase. In addition, the surface area of the crankcase is correspondingly increased, and the heat dissipation area is increased. In this embodiment, the first bearing seat 121 and the second bearing seat 122 are both in annular shapes, and are integrally formed on the auxiliary box 12 through a plurality of connecting ribs extending along a radial direction; the hollow holes 14 are formed between the connecting ribs.
As shown in fig. 3, the second bearing seat 122 has a first bearing hole and a second bearing hole coaxially disposed on both sides, the cam shaft 3 is rotatably mounted in the first bearing hole through a bearing, and the clutch 4 is rotatably mounted in the second bearing hole through a bearing. The clutch 4 is provided with a spline hole coaxially arranged, and the cam shaft 3 is provided with a spline shaft matched with the spline hole.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The multi-output engine comprises a crankcase (1) and a crankshaft (2) rotatably arranged in the crankcase (1), and is characterized by comprising a main box body (11) and a secondary box body (12) which is hermetically connected with the main box body (11), wherein a box cover (13) is hermetically arranged on the other side of the secondary box body (12); a speed reducing shaft (15) and a speed changing shaft (16) which are arranged in parallel with the crankshaft (2) are arranged in the auxiliary box body (12), a speed changing gear set is arranged between the speed reducing shaft (15) and the speed changing shaft (16) in a transmission mode, a connecting hole which is coaxial with the speed reducing shaft (15) and/or the speed changing shaft (16) is formed in the box cover (13), and the speed reducing shaft (15) and/or the speed changing shaft (16) face one end corresponding to the connecting hole to form an output end; the speed reducing shaft (15) is in transmission connection with the crankshaft (2).
2. The multiple output engine according to claim 1, characterized in that the speed change gear set includes a double gear slidably provided on the reduction shaft (15), and a high-speed driven gear (161) and a low-speed driven gear (162) provided on the speed change shaft (16), the double gear including a high-speed drive gear (151) and a low-speed drive gear (152) switchably engaged with the high-speed driven gear (161) and the low-speed driven gear (162), respectively.
3. The multi-output engine according to claim 2, wherein the sub-case (12) further has a shift shaft (17) disposed in parallel with the reduction shaft (15), and the shift shaft (17) has a shift fork for shifting the duplex gear so that the high-speed driving gear (151) or the low-speed driving gear (152) meshes with the corresponding high-speed driven gear (161) or low-speed driven gear (162).
4. A multiple output engine according to any one of claims 1-3, wherein the auxiliary box (12) is further provided with at least one auxiliary shaft (18) arranged in parallel with the speed reducing shaft (15), the auxiliary shaft (18) is in transmission connection with the speed reducing shaft (15), the speed changing shaft (16) or an adjacent auxiliary shaft (18) through a speed reducing gear set, and one end of the auxiliary shaft (18) penetrates out of the box cover (13) or the auxiliary box (12) to form an output end.
5. A multiple output engine as claimed in any one of claims 1 to 3, characterized in that a clutch (4) is provided between the reduction shaft (15) and the crankshaft (2).
6. A multiple output engine as claimed in claim 5, wherein one end of the clutch (4) is drivingly connected to the crankshaft (2) and the other end has an output shaft (41), the output shaft (41) being drivingly connected to the reduction shaft (15) by intermeshing gears.
7. The multi-output engine according to claim 5, characterized in that a rotatable camshaft (3) is further arranged in the crankcase (1), the crankshaft (2) being in driving connection with the camshaft (3) via a reduction gear (6); the camshaft (3) is coaxially connected with the clutch (4).
8. The multiple output engine according to claim 7, wherein the reduction mechanism (6) includes a high speed gear (61) coaxially provided on the crankshaft (2) and a low speed gear (62) coaxially provided on the camshaft (3), the high speed gear (61) and the low speed gear (62) being intermeshed.
9. A multi-output engine as claimed in any one of claims 1 to 3, wherein a hollow hole (14) is formed between the main casing (11) and the auxiliary casing (12), and the lowest part of the hollow hole (14) is not lower than the bottom surface of the main casing (11) so that lubricating oil in the main casing (11) and lubricating oil in the auxiliary casing (12) can circulate.
10. An agricultural machine comprising an agricultural machine according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411034290.1A CN118653927A (en) | 2024-07-30 | 2024-07-30 | Multi-output engine and agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411034290.1A CN118653927A (en) | 2024-07-30 | 2024-07-30 | Multi-output engine and agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118653927A true CN118653927A (en) | 2024-09-17 |
Family
ID=92702491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411034290.1A Pending CN118653927A (en) | 2024-07-30 | 2024-07-30 | Multi-output engine and agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118653927A (en) |
-
2024
- 2024-07-30 CN CN202411034290.1A patent/CN118653927A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140290625A1 (en) | Variable compression ratio internal combustion engine | |
| US7475667B2 (en) | Power train for motor vehicles or the like | |
| CN118653927A (en) | Multi-output engine and agricultural machinery | |
| CN101680298B (en) | Rotary engine | |
| CN118601763A (en) | Engine and agricultural machinery | |
| CN112145629B (en) | Timing transmission system, engine and motor vehicle | |
| CN212250244U (en) | Novel engine | |
| CN213953746U (en) | Countershaft output type variable compression ratio engine | |
| CN201306425Y (en) | Gearbox of loading machine | |
| CN209621464U (en) | A kind of twin-tub rack pinion internal combustion engine | |
| CN102192008B (en) | Gear-driven internal combustion engine | |
| CN210265112U (en) | Two-stage parallel type oil pump | |
| CN112963506B (en) | Electric transmission device with variable compression ratio | |
| CN111765220A (en) | Three-speed gear box structure | |
| CN212716899U (en) | Engine wheel train and engine | |
| CN216477705U (en) | Plunger pump | |
| CN216045338U (en) | Transmission structure of double-output power takeoff | |
| CN209278452U (en) | A kind of marine gearbox suitable for multi-state | |
| CN215487474U (en) | Chain transmission one-shaft power takeoff | |
| CN216894565U (en) | Retainer-free curved groove ball bearing engine valve mechanism | |
| CN211398500U (en) | Speed reducer tool for polishing hydraulic equipment parts | |
| CN203516599U (en) | Power takeoff with self-lubricating pump | |
| CN220770056U (en) | Power taking type multi-gear speed change structure and motorcycle | |
| CN220816441U (en) | Transmission device | |
| CN220082078U (en) | Transmission reversing mechanism for small aeroengine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |