CN210948886U - Compact type diesel engine rear power take-off output system - Google Patents
Compact type diesel engine rear power take-off output system Download PDFInfo
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- CN210948886U CN210948886U CN201921225375.2U CN201921225375U CN210948886U CN 210948886 U CN210948886 U CN 210948886U CN 201921225375 U CN201921225375 U CN 201921225375U CN 210948886 U CN210948886 U CN 210948886U
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Abstract
The utility model relates to a diesel engine power take-off, concretely relates to power take-off output system behind compact diesel engine, including the cylinder block, the bent axle, the bell housing, input gear, intermediate gear group and output gear group, intermediate gear group includes intermediate gear and intermediate gear axle, output gear group includes output gear and output gear axle, bell housing and cylinder body are connected, input gear installs on the bent axle, input gear meshing intermediate gear, intermediate gear meshing output gear, intermediate gear and intermediate gear axle pass through the bearing and connect, intermediate gear axle one end fixed connection is on the bell housing, the unsettled setting of the other end. The intermediate gear shaft is only arranged on the flywheel shell, so that the assembly cost is reduced, the length of the intermediate gear shaft is short, the rear power take-off output system is compact in structure, and the universality is high.
Description
Technical Field
The utility model relates to a diesel engine power take-off, concretely relates to power take-off output system behind compact diesel engine.
Background
The diesel engine is widely applied to various fields as a common power source, is equipped on products such as cement mixer trucks, garbage sweeper trucks, fire engines, engineering machinery and the like, outputs power to equipment outside a vehicle running system to meet the power input requirement of a working device of a special vehicle, and the rear power takeoff of the diesel engine is one of the power sources. In the prior art, there are many rear power take-off system structures of diesel engines, such as chinese patent CN201321893Y, which discloses a power take-off device for a rear gear chamber engine, comprising a flywheel housing, an input gear, an idler gear assembly, an output gear assembly, and an integral structure of the flywheel housing, wherein the left end face of the flywheel housing is an end face connected with the end face of the rear gear chamber of the engine, and the rear gear chamber is formed after the connection; the middle part is an independent power take-off gear chamber; the right end of the flywheel shell is a flywheel chamber which is not communicated with the power take-off gear chamber; the input gear is connected with a crankshaft flange on the crankshaft of the engine. The idler gear assembly arranged in the middle of the flywheel shell comprises an idler gear on an idler shaft; the output gear assembly comprises an output gear shaft and an output gear, wherein the output gear shaft is arranged at the upper end of the flywheel shell through a bearing seat and a bearing; the input gear is meshed with the idle gear, and the idle gear is meshed with the output gear. With the strict requirements of light weight and emission regulations of diesel engines, the requirement of compactness of the diesel engine structure is higher, so the technical scheme still has the following defects: the idler shaft both ends set up respectively on cylinder block and flywheel shell, cause the idler shaft longer, and the cylinder block needs reserve idler shaft installation space, and the cylinder block needs carry out special change design, and the commonality is relatively poor, and the structure is compact enough, and the mode of both ends installation is comparatively complicated, and assembly cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power take-off output system behind compact diesel engine, intermediate gear shaft only install on the bell housing, reduce assembly cost, and intermediate gear shaft length is shorter, and back power take-off output system compact structure, the commonality is strong.
The technical scheme of the utility model as follows: the utility model provides a power take-off output system behind compact diesel engine, includes cylinder block, bent axle, bell housing, input gear, intermediate gear group and output gear group, intermediate gear group includes intermediate gear and intermediate gear axle, output gear group includes output gear and output gear axle, the bell housing with the cylinder block is connected, input gear installs on the bent axle, input gear meshing intermediate gear, intermediate gear meshing output gear, intermediate gear with the intermediate gear axle passes through the bearing and connects, intermediate gear passes through the bearing and rotates and install on the intermediate gear axle, intermediate gear axle one end fixed mounting is connected on the bell housing, the unsettled setting of the other end.
The intermediate gear shaft is installed by adopting a single point and is only installed on the flywheel shell, and the other end of the intermediate gear shaft is arranged in a suspended manner, so that the trouble that the intermediate gear shaft installation structure needs to be designed on the cylinder body is avoided, and the structure has stronger universality, the design cost is reduced, and the development period is short; the length of the middle gear shaft of the structure is short, and the structure of the rear power take-off system is compact; and single-point positioning installation is adopted, the assembly process is simplified, and the assembly cost is low.
Preferably, the number of the adopted bearings is more than two, the installation reliability is better, the manufacturing cost of the connecting structure is low, and the movement is stable.
Preferably, the intermediate gear shaft is fixed on the flywheel shell through bolt connection, so that the connection is reliable, the disassembly and the assembly are convenient, and the cost is low.
Preferably, one end of the output gear shaft is connected with the output gear, the other end of the output gear shaft is connected with the output flange, power is output through the output flange, the dismounting and maintenance are convenient, and the structure is simple.
Preferably, the output gear shaft is mounted on the flywheel housing, so that adaptive design change on a cylinder block is further avoided, the design is reduced, and the development period is shortened.
Drawings
Fig. 1 is a schematic diagram showing a section of a compact diesel engine rear power take-off system according to the present invention.
Fig. 2 is an enlarged structural view at a in fig. 1.
In the figure: 1-cylinder block, 2-crankshaft, 3-flywheel shell, 4-input gear, 5-intermediate gear set, 501-intermediate gear, 502-intermediate gear shaft, 6-output gear set, 601-output gear, 602-output gear shaft, 603-output flange and 7-bearing.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
example 1:
the utility model provides a power take-off output system behind compact diesel engine, includes cylinder block 1, bent axle 2, flywheel shell 3, input gear 4, intermediate gear group 5 and output gear group 6, intermediate gear group 5 includes intermediate gear 501 and intermediate gear axle 502, intermediate gear 501 with intermediate gear axle 502 is integrated into one piece structure, output gear group 6 includes output gear 601 and output gear axle 602, flywheel shell 3 with cylinder block 1 connects, input gear 4 installs on bent axle 2, input gear 4 meshing intermediate gear 501, intermediate gear 501 meshes output gear 601, intermediate gear 501 passes through bearing 7 and rotates to be installed on intermediate gear axle 502, the one end fixed connection of intermediate gear axle 502 is in on the flywheel shell 3, the unsettled setting of the other end.
The power transmission process of the device is as follows: the power of the crankshaft 2 is transmitted to the intermediate gear set 5 through the input gear 4, the intermediate gear 501 and the outer ring of the bearing 7 rotate, the inner ring of the bearing 7 and the intermediate gear shaft 502 are fixed, then the power is transmitted to the output gear set 6, the output gear shaft 602 drives the output gear shaft 601 to rotate, and then the power is transmitted to an external hydraulic device.
Example 2:
as shown in fig. 1 and 2, a compact rear power take-off system for a diesel engine is used for driving a hydraulic device, and includes a cylinder block 1, a crankshaft 2, a flywheel housing 3, an input gear 4, an intermediate gear set 5 and an output gear set 6, where the intermediate gear set 5 includes an intermediate gear 501 and an intermediate gear shaft 502, the output gear set 6 includes an output gear 601 and an output gear shaft 602, the flywheel housing 3 is connected with the cylinder block 1, the input gear 4 is mounted on the crankshaft 2, the input gear 4 is engaged with the intermediate gear 501, the intermediate gear 501 is engaged with the output gear 601, the intermediate gear 501 is rotatably mounted on the intermediate gear shaft 502 through bearings 7, the two bearings 7 are provided, the outer ring of the bearing 7 is connected with the intermediate gear 501, the inner ring of the bearing 7 is connected with the intermediate gear shaft 500, a bolt hole used for being connected with the flywheel housing 3 is formed in the end face of the intermediate gear shaft 502, one end of the intermediate gear shaft 502 is fixedly installed and connected to the flywheel housing 3, and the other end of the intermediate gear shaft is arranged in a suspended mode;
the other end of the intermediate gear shaft 502 is suspended, that is, only one end of the intermediate gear shaft 502 is installed, and a gap is left between the other end and the cylinder block 1.
One end of the output gear shaft 602 is connected with the output gear 601, the other end of the output gear shaft is connected with an output flange 603, and the output flange 603 is used for providing power for an external hydraulic system;
the output gear shaft 602 is mounted on the flywheel housing 3.
The working principle of the embodiment is as follows:
the power of the crankshaft 2 is transmitted to the intermediate gear set 5 through the input gear 4, the intermediate gear 501 and the outer ring of the bearing 7 rotate, the inner ring of the bearing 7 and the intermediate gear shaft 502 are fixed, then the power is transmitted to the output gear set 6, the output gear shaft 602 drives the output gear shaft 601 to rotate, then the power is transmitted to the output flange 603, and then the power is transmitted to an external hydraulic device through the output flange 603.
Claims (5)
1. The utility model provides a power take-off output system behind compact diesel engine, includes cylinder block (1), bent axle (2), bell housing (3), input gear (4), intermediate gear group (5) and output gear group (6), intermediate gear group (5) include intermediate gear (501) and intermediate gear axle (502), output gear group (6) are including output gear (601) and output gear axle (602), bell housing (3) with cylinder block (1) is connected, input gear (4) are installed on bent axle (2), input gear (4) meshing intermediate gear (501), intermediate gear (501) meshing output gear (601), its characterized in that: the intermediate gear (501) is rotatably mounted on the intermediate gear shaft (502) through a bearing (7), one end of the intermediate gear shaft (502) is fixedly connected to the flywheel housing (3), and the other end of the intermediate gear shaft is suspended.
2. A compact diesel engine rear power take-off system as defined in claim 1 wherein: the number of the bearings (7) is more than two.
3. A compact diesel engine rear power take-off system as defined in claim 1 wherein: the intermediate gear shaft (502) is fixedly connected to the flywheel housing (3) through bolts.
4. A compact diesel engine rear power take-off system as defined in claim 1 wherein: one end of the output gear shaft (602) is connected with the output gear (601), and the other end is connected with an output flange (603).
5. A compact diesel engine rear power take-off system as defined in claim 1 wherein: the output gear shaft (602) is installed on the flywheel housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225375.2U CN210948886U (en) | 2019-07-31 | 2019-07-31 | Compact type diesel engine rear power take-off output system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225375.2U CN210948886U (en) | 2019-07-31 | 2019-07-31 | Compact type diesel engine rear power take-off output system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210948886U true CN210948886U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921225375.2U Active CN210948886U (en) | 2019-07-31 | 2019-07-31 | Compact type diesel engine rear power take-off output system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228212A (en) * | 2020-10-21 | 2021-01-15 | 马鞍山市常立发机械制造有限公司 | Power output device of diesel engine for engineering machinery |
-
2019
- 2019-07-31 CN CN201921225375.2U patent/CN210948886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228212A (en) * | 2020-10-21 | 2021-01-15 | 马鞍山市常立发机械制造有限公司 | Power output device of diesel engine for engineering machinery |
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