CN215672453U - Gear transmission device and diesel engine - Google Patents
Gear transmission device and diesel engine Download PDFInfo
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- CN215672453U CN215672453U CN202121982557.1U CN202121982557U CN215672453U CN 215672453 U CN215672453 U CN 215672453U CN 202121982557 U CN202121982557 U CN 202121982557U CN 215672453 U CN215672453 U CN 215672453U
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Abstract
The utility model relates to the technical field of engines, and discloses a gear transmission device and a diesel engine. The gear transmission device comprises a first crankshaft gear, a first transmission gear, a second transmission gear, a camshaft gear and a speed regulator gear, wherein the first crankshaft gear is arranged at one end of a crankshaft; the first crankshaft gear is meshed with the first transmission gear; the second transmission gear and the first transmission gear are coaxially arranged, and the second transmission gear is fixedly arranged on the first transmission gear; the cam shaft gear is meshed with the second transmission gear and is connected with a cam shaft; the speed regulator gear is meshed with the cam shaft gear. The gear transmission device provided by the utility model has the advantages that the structure is simple, the installation is convenient, and the volume space occupied by the diesel engine is reduced.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a gear transmission device and a diesel engine.
Background
The gear transmission is a widely applied mechanical transmission form, and has high transmission efficiency and compact structure. The cylinders of the original V-shaped diesel engine are arranged on two sides of the diesel engine at a certain included angle, and the left and the right of the cylinders are respectively provided with a camshaft. The V-shaped engine is large in width, complex in shape and difficult to machine, and the required gear transmission device is complex in structure, occupies large volume space and is inconvenient to install. On the premise of meeting market requirements, the gear parts are ensured to be universal to the greatest extent so as to reduce the cost, so that an in-line diesel engine which is simple in structure, low in manufacturing cost, compact in size and wide in application is required to be designed, and a gear transmission device which is simple in structure, small in occupied space and convenient to install is correspondingly designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gear transmission device and a diesel engine, so that the gear transmission device is simple in structure and convenient to install, and the volume space occupied by the diesel engine is reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a gear assembly comprising:
the first crankshaft gear is arranged at one end of the crankshaft;
a first transmission gear, the first crankshaft gear meshing with the first transmission gear;
the second transmission gear is coaxially arranged with the first transmission gear and is fixedly arranged on the first transmission gear;
the camshaft gear is meshed with the second transmission gear and is connected with a camshaft;
a governor gear engaged with the camshaft gear.
Preferably, the first crankshaft gear, the first transmission gear, the second transmission gear, the camshaft gear and the governor gear are located at an output end of the crankshaft.
Preferably, the crankshaft gear further comprises a center ring, the first crankshaft gear and the center ring are coaxially arranged, the first crankshaft gear is fixed to the center ring, and the output end of the crankshaft is sleeved with the first crankshaft gear and the center ring.
Preferably, the crankshaft gear assembly further comprises a first flange, the first flange is fixedly arranged at the output end of the crankshaft, the first crankshaft gear is arranged between the first flange and the center ring, and the first crankshaft gear and the center ring are fixed to the first flange through screws.
Preferably, the engine further comprises a low-temperature water pump gear, a high-temperature water pump gear, a fuel pump gear and an oil pump gear which are in transmission connection with the crankshaft.
Preferably, the engine further comprises a second crankshaft gear fixed at the free end of the crankshaft, and the second crankshaft gear is respectively meshed with the low-temperature water pump gear, the high-temperature water pump gear, the fuel pump gear and the oil pump gear.
Preferably, the first crankshaft gear, the first transmission gear, the second transmission gear, the cam shaft gear and the governor gear are located at a free end of the crankshaft and are disposed between the second crankshaft gear and the starting gear.
Preferably, the low-temperature water pump gear, the high-temperature water pump gear and the oil pump gear are all meshed with the first transmission gear.
Preferably, the fuel pump transmission gear is further packaged, the fuel pump transmission gear is matched with the first crankshaft gear, and the fuel pump gear is meshed with the fuel pump transmission gear.
A diesel engine comprises the gear transmission device.
The utility model has the beneficial effects that:
in the gear transmission device provided by the embodiment, the first crankshaft gear is arranged at one end of the crankshaft, the first crankshaft gear can be positioned at the output end of the crankshaft and also can be positioned at the free end of the crankshaft, and the first crankshaft gear is meshed with the first transmission gear; the second transmission gear and the first transmission gear are coaxially arranged, and the second transmission gear is fixedly arranged on the first transmission gear; the cam shaft gear is meshed with the second transmission gear and is connected with a cam shaft; the speed regulator gear is meshed with the cam shaft gear. Through simplifying gear drive for gear drive simple structure, simple to operate reduces the occupied volume space of diesel engine.
The utility model also provides a diesel engine which comprises the gear transmission device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a gear transmission according to an embodiment of the present invention;
FIG. 2 is a second schematic structural view of a gear assembly according to an embodiment of the present invention;
FIG. 3 is a third schematic structural view of a gear assembly provided in accordance with an embodiment of the present invention;
fig. 4 is a fourth schematic structural diagram of the gear transmission device provided by the embodiment of the utility model.
In the figure:
1. a first crank gear; 2. a center ring; 3. a first drive gear; 4. a second transmission gear; 5. a camshaft gear; 6. a governor gear; 7. a low-temperature water pump gear; 8. a high-temperature water pump gear; 9. a second crank gear; 10. a fuel pump gear; 11. a gear of the oil pump; 12. a starting gear; 13. a fuel pump transmission gear; 14. a crankshaft; 15. a first flange.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
The two ends of the crankshaft 14 in the diesel engine are respectively an output end and a free end, and in the gear transmission device provided by the embodiment, the first crankshaft gear is arranged at one end of the crankshaft, namely, the first crankshaft gear can be positioned at the output end of the crankshaft and also can be positioned at the free end of the crankshaft.
Example one
As shown in fig. 1, the gear transmission device provided in this embodiment includes a first crankshaft gear 1, a first transmission gear 3, a second transmission gear 4, a camshaft gear 5, and a governor gear 6, where the first crankshaft gear 1 is disposed at an output end of a crankshaft 14; the first crankshaft gear 1 is meshed with the first transmission gear 3; the second transmission gear 4 and the first transmission gear 3 are coaxially arranged, and the second transmission gear 4 is fixedly arranged on the first transmission gear 3; the camshaft gear 5 is meshed with the second transmission gear 4, and the camshaft gear 5 is connected with a camshaft; the speed regulator gear 6 is meshed with the cam shaft gear 5 and is used for controlling oil injection of the diesel engine. In the present embodiment, the first crankshaft gear 1, the first transmission gear 3, the second transmission gear 4, the camshaft gear 5, and the governor gear 6 are located at the output end of the crankshaft 14. Through simplifying gear drive for gear drive simple structure, simple to operate reduces the occupied volume space of diesel engine.
Further, as shown in fig. 2, the gear transmission device provided in this embodiment further includes a center ring 2, the first crankshaft gear 1 is coaxially disposed with the center ring 2, the first crankshaft gear 1 is fixed to the center ring 2, and the first crankshaft gear 1 and the center ring 2 are both sleeved on the output end of the crankshaft 14.
Further, as shown in fig. 2, the gear transmission device provided in this embodiment further includes a first flange 15, the first flange 15 is fixedly disposed at the output end of the crankshaft 14, the first crankshaft gear 1 is disposed between the first flange 15 and the center ring 2, and the first crankshaft gear 1 and the center ring 2 are fixed to the first flange 15 through screws.
Specifically, first crankshaft gear 1 is split type structure, installs on the first flange 15 of 14 output ends of bent axle through bolt and centre ring 2, is provided with gear drive's installation mark on the centre ring 2, and the installation of the gear of being convenient for can also guarantee the timing requirement of gear. The first crankshaft gear 1 drives the first transmission gear 3 to rotate, the second transmission gear 4 which is coaxially fixed with the first transmission gear 3 drives the camshaft gear 5 to rotate, and the camshaft gear 5 drives the cam rotating shaft to rotate, so that the timing requirement of the diesel engine can be met.
Further, as shown in fig. 1, the gear transmission device provided by the present embodiment further includes a second crankshaft gear 9 fixed at the free end of the crankshaft 14, and a low-temperature water pump gear 7, a high-temperature water pump gear 8, a fuel pump gear 10, and a fuel pump gear 11 in transmission connection with the crankshaft 14. Specifically, the second crankshaft gear 9 is respectively engaged with the low-temperature water pump gear 7, the high-temperature water pump gear 8, the fuel pump gear 10 and the oil pump gear 11, and the low-temperature water pump gear 7, the high-temperature water pump gear 8, the fuel pump gear 10 and the oil pump gear 11 are driven to rotate by the second crankshaft gear 9. The low-temperature water pump gear 7 is used for driving a low-temperature water pump to cool an air cooler by cooling water provided for a diesel engine, the high-temperature water pump gear 8 is used for driving a high-temperature water pump to cool a cylinder cover by cooling water provided for the diesel engine, the fuel pump gear 10 is used for driving a fuel pump to provide fuel for the diesel engine, and the oil pump gear 11 is used for driving an oil pump to provide engine oil for the diesel engine.
Specifically, a second crankshaft gear 9 at the free end of the crankshaft 14 is mounted on a second flange at the free end of the crankshaft 14, is connected with the crankshaft 14 through bolts, and is driven by the crankshaft 14 to simultaneously drive a low-temperature water pump gear 7, a high-temperature water pump gear 8, a fuel pump gear 10 and a fuel pump gear 11 to rotate.
Further, as shown in fig. 1, the gear transmission device provided in the present embodiment further includes a starter gear 12, and the starter gear 12 is located at an output end of the crankshaft 14 for starting and turning of the diesel engine.
Example two
The first crank gear 1 is arranged at the free end of the crank shaft 14, as shown in fig. 3, the scheme shown in the embodiment is the same as the scheme shown in the first embodiment, except that in the embodiment, the first crank gear 1, the first transmission gear 3, the second transmission gear 4, the cam shaft gear 5 and the speed governor gear 6 are all arranged at the free end of the crank shaft 14 and are arranged between the second crank gear 9 and the starting gear 12.
EXAMPLE III
The first crankshaft gear 1 is arranged at the output end of the crankshaft 14, as shown in fig. 4, in this embodiment, the second crankshaft gear 9 at the free end is omitted, the low-temperature water pump gear 7, the high-temperature water pump gear 8 and the oil pump gear 11 are all arranged at the output end of the crankshaft 14, the low-temperature water pump gear 7, the high-temperature water pump gear 8 and the oil pump gear 11 are all meshed with the first transmission gear 3, the first transmission gear 3 is driven to rotate by the first crankshaft gear 1, and then the low-temperature water pump gear 7, the high-temperature water pump gear 8 and the oil pump gear 11 are driven to rotate.
Further, as shown in fig. 4, the gear transmission device provided by this embodiment further includes a fuel pump gear 10 and a fuel pump transmission gear 13, the fuel pump transmission gear 13 is engaged with the first crankshaft gear 1, the fuel pump gear 10 is engaged with the fuel pump transmission gear 13, and the fuel pump gear 10 is driven to rotate by the fuel pump transmission gear 13 to provide fuel for the diesel engine.
The embodiment also provides a diesel engine which comprises the gear transmission device.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present 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," "second," and the like 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. A gear assembly, comprising:
the first crankshaft gear (1), the said first crankshaft gear (1) is set up in one end of the crankshaft (14);
the first transmission gear (3), the first crankshaft gear (1) is meshed with the first transmission gear (3);
the second transmission gear (4) is coaxially arranged with the first transmission gear (3), and the second transmission gear (4) is fixedly arranged on the first transmission gear (3);
the camshaft gear (5), the camshaft gear (5) is meshed with the second transmission gear (4), and the camshaft gear (5) is connected with a camshaft;
a governor gear (6), the governor gear (6) meshing with the camshaft gear (5).
2. Gear transmission according to claim 1, characterised in that the first crankshaft gear (1), the first transmission gear (3), the second transmission gear (4), the camshaft gear (5) and the governor gear (6) are all located at the output end of the crankshaft (14).
3. The gear transmission device according to claim 1, further comprising a center ring (2), wherein the first crank gear (1) and the center ring (2) are coaxially disposed, the first crank gear (1) is fixed to the center ring (2), and the first crank gear (1) and the center ring (2) are both sleeved on an output end of the crankshaft (14).
4. A gear transmission according to claim 3, characterized by further comprising a first flange (15), said first flange (15) being fixedly arranged at the output end of said crankshaft (14), said first crankshaft gear (1) being arranged between said first flange (15) and said centre ring (2), and said first crankshaft gear (1) and said centre ring (2) being fixed to said first flange (15) by means of screws.
5. The gear transmission device according to claim 1, further comprising a low-temperature water pump gear (7), a high-temperature water pump gear (8), a fuel pump gear (10) and a fuel pump gear (11) which are in driving connection with the crankshaft (14).
6. A gear transmission arrangement according to claim 5, further comprising a second crankshaft gear (9) fixed to a free end of the crankshaft (14), the second crankshaft gear (9) being in mesh with the low temperature water pump gear (7), the high temperature water pump gear (8), the fuel pump gear (10) and the oil pump gear (11), respectively.
7. A gear transmission according to claim 6, characterized in that the first crankshaft gear (1), the first transmission gear (3), the second transmission gear (4), the camshaft gear (5) and the governor gear (6) are all located at the free end of the crankshaft (14) and are placed between the second crankshaft gear (9) and the starting gear (12).
8. A gear transmission arrangement according to claim 5, characterised in that the low temperature water pump gear (7), the high temperature water pump gear (8) and the oil pump gear (11) are all meshed with the first transmission gear (3).
9. A gear transmission arrangement according to claim 5, further comprising a fuel pump transmission gear (13), said fuel pump transmission gear (13) cooperating with said first crankshaft gear (1), said fuel pump gear (10) meshing with said fuel pump transmission gear (13).
10. A diesel engine comprising a gear assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121982557.1U CN215672453U (en) | 2021-08-23 | 2021-08-23 | Gear transmission device and diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121982557.1U CN215672453U (en) | 2021-08-23 | 2021-08-23 | Gear transmission device and diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215672453U true CN215672453U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121982557.1U Active CN215672453U (en) | 2021-08-23 | 2021-08-23 | Gear transmission device and diesel engine |
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| Country | Link |
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| CN (1) | CN215672453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856835A (en) * | 2022-05-30 | 2022-08-05 | 淄柴机器有限公司 | Marine diesel engine oil supply timing adjustment transmission device and marine diesel engine |
-
2021
- 2021-08-23 CN CN202121982557.1U patent/CN215672453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856835A (en) * | 2022-05-30 | 2022-08-05 | 淄柴机器有限公司 | Marine diesel engine oil supply timing adjustment transmission device and marine diesel engine |
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