CN215860473U

CN215860473U - Diesel engine structure with double gear chambers

Info

Publication number: CN215860473U
Application number: CN202121455301.5U
Authority: CN
Inventors: 陈伟勇; 吴锦信; 陈业贵; 江海乐
Original assignee: Guangxi Yuchai Power Co Ltd
Current assignee: Guangxi Yuchai Power Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-18
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a diesel engine structure with a double gear chamber, relates to a diesel engine, and solves the technical problem that a hydraulic pump is difficult to increase in the conventional diesel engine structure. The diesel engine comprises a diesel engine body, wherein a crankshaft and a flywheel shell are arranged in the diesel engine body, a rear gear chamber is arranged on one side of the diesel engine body, an air compressor and an oil injection pump are arranged on the periphery of the rear gear chamber, the air compressor and the oil injection pump are both in power connection with the rear end of the crankshaft, and the flywheel shell is arranged on the outer side of the rear gear chamber; the diesel engine comprises a diesel engine body, and is characterized in that a front gear chamber is mounted on the other side of the diesel engine body, a plurality of hydraulic pumps are mounted on the periphery of the front gear chamber, and the hydraulic pumps are in power connection with the front end of a crankshaft. The utility model facilitates the layout of power output components, can also be provided with a plurality of hydraulic pumps to provide a plurality of hydraulic power outputs, and meets the requirements of the market on engines with various functions and purposes.

Description

Diesel engine structure with double gear chambers

Technical Field

The utility model relates to a diesel engine, in particular to a diesel engine structure with a double gear chamber.

Background

The existing diesel engine generally has only one gear chamber, and most of the existing diesel engines adopt a front gear chamber. The engine of the front gear chamber is provided with an air pump, an oil injection pump and a steering hydraulic pump at the front end, and the rear end is used for power output. Currently, most diesel engine hydraulic power outputs have only one hydraulic pump port on the front end gear chamber. And because the structure is limited, the hydraulic power output is limited, and a plurality of hydraulic pumps can not be connected. With the development of agricultural machinery and engineering machinery, the requirements on a hydraulic system are higher and higher, and the existing diesel engine structure is difficult to meet the requirements. Therefore, the improvement of the current diesel engine structure is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the existing diesel engine structure with double gear chambers is difficult to increase hydraulic pumps.

The diesel engine structure with the double gear chambers comprises a diesel engine body, wherein a crankshaft and a flywheel shell are arranged in the diesel engine body, a rear gear chamber is arranged on one side of the diesel engine body, an air compressor and an oil injection pump are arranged on the periphery of the rear gear chamber, the air compressor and the oil injection pump are both in power connection with the rear end of the crankshaft, and the flywheel shell is arranged on the outer side of the rear gear chamber; the diesel engine comprises a diesel engine body, and is characterized in that a front gear chamber is mounted on the other side of the diesel engine body, a plurality of hydraulic pumps are mounted on the periphery of the front gear chamber, and the hydraulic pumps are in power connection with the front end of a crankshaft.

In a further improvement, the rear end of the crankshaft extends into the rear gear chamber, and a rear driving gear is arranged on the crankshaft extending into the rear gear chamber; an idler gear set connected with the rear driving gear in a meshed mode is arranged above the rear driving gear, a first transition gear and a second transition gear connected with the idler gear set in a meshed mode are arranged on the two sides of the idler gear set respectively, an oil injection pump gear connected with the first transition gear in a meshed mode is arranged on one side of the first transition gear, the oil injection pump gear is connected with an oil injection pump, an air compressor gear connected with the second transition gear in a meshed mode is arranged on one side of the second transition gear, and the air compressor gear is connected with an air compressor.

Further, the idler gear set comprises a large idler gear and a small idler gear; the large idler gear is arranged above the small idler gear, the large idler gear is meshed with the rear driving gear, and the small idler gear is respectively meshed with the first transition gear and the second transition gear.

Furthermore, a starter and a steering hydraulic pump are mounted on the flywheel housing, and the starter and the steering hydraulic pump are in power connection with a flywheel in the flywheel housing.

Furthermore, the front end of the crankshaft extends into the front gear chamber, and extends into the front gear chamber, the crankshaft is provided with the front driving gear, one side of the front driving gear is provided with hydraulic pump gears, the number of the hydraulic pump gears is consistent with that of the hydraulic pumps, the hydraulic pump gears are sequentially meshed and connected, and the hydraulic pump gears close to the front driving gear are meshed and connected with the front driving gear.

Furthermore, a belt pulley is mounted on the crankshaft on one side of the front driving gear and located on the outer side of the front gear chamber, a fan and a generator are arranged above the belt pulley, and the belt pulley is in power connection with the fan and the generator through a belt.

Advantageous effects

The utility model has the advantages that: the both ends of diesel engine body all set up the gear room, have not only made things convenient for the overall arrangement of power take off part, can also install a plurality of hydraulic pumps, provide a plurality of hydraulic power output, have satisfied the requirement of market to multiple function usage engine, especially have strong agricultural machine and the engineering machine who requires to hydraulic system.

Drawings

FIG. 1 is a schematic diagram of a first perspective structure of a diesel engine mechanism of the present invention;

FIG. 2 is a schematic diagram of a second perspective view of the diesel engine mechanism of the present invention;

FIG. 3 is a third perspective view of the diesel engine mechanism of the present invention;

FIG. 4 is a fourth perspective view of the diesel engine mechanism of the present invention;

FIG. 5 is a schematic view of the internal gear arrangement of the rear gear chamber of the present invention;

fig. 6 is a schematic view of the arrangement structure of the internal gears of the front gear chamber.

Wherein: 1-rear gear chamber, 2-air compressor, 3-flywheel housing, 4-starter, 5-oil pan, 6-hydraulic pump, 7-front gear chamber, 10-fan, 11-generator, 12-supercharger, 13-belt pulley, 14-oil injection pump, 15-clutch and pressure plate component, 16-steering hydraulic pump, 17-oil injection pump gear, 18-first transition gear, 19-big idle gear, 20-second transition gear, 21-air compressor gear, 22-small idle gear, 23-rear driving gear, 24-hydraulic pump gear and 28-front driving gear.

Detailed Description

The utility model is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.

Referring to fig. 1-6, the diesel engine structure with a double gear chamber of the present invention includes a diesel engine body, in which a crankshaft and a flywheel housing 3 are disposed. A rear gear chamber 1 is installed on one side of a diesel engine body, an air compressor 2 and an oil injection pump 14 are installed on the periphery of the rear gear chamber 1, the air compressor 2 and the oil injection pump 14 are both in power connection with the rear end of a crankshaft, and a flywheel housing 3 is installed on the outer side of the rear gear chamber 1. A front gear chamber 7 is arranged on the other side of the diesel engine body, a plurality of hydraulic pumps 6 are arranged on the periphery of the front gear chamber 7, and the hydraulic pumps 6 are in power connection with the front end of the crankshaft. According to the utility model, through the double-gear chamber structure, a plurality of hydraulic pumps can be installed to provide a plurality of hydraulic power output devices, and the hydraulic power requirements of engineering machinery and agricultural machinery requiring a plurality of sets of hydraulic systems are met.

The rear end of the crankshaft extends into the rear gear chamber 1, and a rear drive gear 23 is mounted on the crankshaft extending into the rear gear chamber 1. An idler gear set which is meshed and connected is arranged above the rear driving gear 23, a first transition gear 18 and a second transition gear 20 which are meshed and connected with the idler gear set are respectively arranged on two sides of the idler gear set, an oil injection pump gear 17 which is meshed and connected with the first transition gear 18 is arranged on one side of the first transition gear 18, the oil injection pump gear 17 is connected with an oil injection pump 14, an air compressor gear 21 which is meshed and connected with the second transition gear 20 is arranged on one side of the second transition gear 20, and the air compressor gear 21 is connected with the air compressor 2. With this arrangement, transmission of the output power of the crankshaft to the air compressor 2 and the fuel injection pump 14 is achieved. And through the transmission of two transition gears, make air compressor 2 and injection pump 14 mountable in the both sides of rear gear room 1, guaranteed the safe interval of air compressor 2 and injection pump 14, reduce the mutual interference in its working process, improved the stability of system operation.

The idler gear set comprises a large idler gear 19 and a small idler gear 22. The large idle gear 19 is arranged above the small idle gear 22, the large idle gear 19 is meshed with the rear driving gear 23, and the small idle gear 22 is respectively meshed with the first transition gear 18 and the second transition gear 20. The power of the crankshaft is firstly transmitted to the large idle gear 19 through the rear driving gear 23 to drive the small idle gear 22 to rotate, and then the small idle gear 22 drives the two transition gears to rotate, so that the power transmission is realized. Through the transmission effect of the idler gear set, the problem that the stress of the crankshaft is overlarge when the rear driving gear 23 arranged on the crankshaft directly drives the transition gear can be effectively avoided.

The starter 4 and the steering hydraulic pump 16 are installed on the flywheel housing 3, the starter 4 and the steering hydraulic pump 16 are in power connection with a flywheel in the flywheel housing 3, and the layout compactness of the rear gear chamber 1 can be effectively improved.

The front end of the crankshaft extends into the front gear chamber 7, and a front drive gear 28 is mounted on the crankshaft extending into the front gear chamber 7. One side of the front driving gear 28 is provided with hydraulic pump gears 24 the number of which is the same as that of the hydraulic pumps 6, the hydraulic pump gears 24 are sequentially meshed and connected, and the hydraulic pump gear 24 close to the front driving gear 28 is meshed and connected with the front driving gear 28. Specifically, four hydraulic pumps 6 are provided, and two adjacent hydraulic pumps 6 are respectively disposed on both sides of the front gear chamber 7. The belt pulley 13 is mounted on the crankshaft on one side of the front driving gear 28, the belt pulley 13 is located on the outer side of the front gear chamber 7, the fan 10 and the generator 11 are arranged above the belt pulley 13, and the belt pulley 13 is in power connection with the fan 10 and the generator 11 through a belt. The arrangement space is small because the front end of the diesel engine body is provided with the fan 10, the generator 11 and other components. This embodiment realizes power transmission through the mode of establishing ties four hydraulic pump 6, can effectually avoid the problem of interference, does benefit to the saving in space.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.

Claims

1. A diesel engine structure with a double-gear chamber comprises a diesel engine body, wherein a crankshaft and a flywheel shell (3) are arranged in the diesel engine body, and the diesel engine structure is characterized in that a rear gear chamber (1) is installed on one side of the diesel engine body, an air compressor (2) and an oil injection pump (14) are installed on the periphery of the rear gear chamber (1), the air compressor (2) and the oil injection pump (14) are both in power connection with the rear end of the crankshaft, and the flywheel shell (3) is installed on the outer side of the rear gear chamber (1); leading gear room (7) is installed to the opposite side of diesel engine body, a plurality of hydraulic pumps (6) are installed to the periphery of leading gear room (7), hydraulic pump (6) are connected with the front end power of bent axle.

2. The diesel engine structure with double gear chambers as claimed in claim 1, characterized in that the rear end of the crankshaft extends into the rear gear chamber (1), and the crankshaft extending into the rear gear chamber (1) is provided with a rear driving gear (23); an idler gear set connected with the rear driving gear (23) in a meshed mode is arranged above the rear driving gear, a first transition gear (18) and a second transition gear (20) connected with the idler gear set in a meshed mode are arranged on the two sides of the idler gear set respectively, an oil injection pump gear (17) connected with the first transition gear (18) in a meshed mode is arranged on one side of the first transition gear (18), the oil injection pump gear (17) is connected with an oil injection pump (14), an air compressor gear (21) connected with the second transition gear (20) in a meshed mode is arranged on one side of the second transition gear, and the air compressor gear (21) is connected with an air compressor (2).

3. A diesel engine arrangement with double gear chamber according to claim 2, characterised in that said set of idle gears comprises a large idle gear (19) and a small idle gear (22); the large idle gear (19) is arranged above the small idle gear (22), the large idle gear (19) is meshed with the rear driving gear (23), and the small idle gear (22) is meshed with the first transition gear (18) and the second transition gear (20) respectively.

4. The diesel engine structure with the double gear chamber is characterized in that a starter (4) and a steering hydraulic pump (16) are installed on the flywheel housing (3), and the starter (4) and the steering hydraulic pump (16) are in power connection with a flywheel in the flywheel housing (3).

5. The diesel engine structure with the double gear chambers as claimed in claim 1, characterized in that the front end of the crankshaft extends into the front gear chamber (7), the crankshaft extending into the front gear chamber (7) is provided with front driving gears (28), one side of each front driving gear (28) is provided with hydraulic pump gears (24) the number of which is consistent with that of the hydraulic pumps (6), the hydraulic pump gears (24) are sequentially meshed and connected, and the hydraulic pump gears (24) close to the front driving gears (28) are meshed and connected with the front driving gears (28).

6. The diesel engine structure with the double gear chambers as claimed in claim 5, characterized in that a belt pulley (13) is mounted on the crankshaft on one side of the front drive gear (28), the belt pulley (13) is located on the outer side of the front gear chamber (7), a fan (10) and a generator (11) are arranged above the belt pulley (13), and the belt pulley (13) is in power connection with the fan (10) and the generator (11) through a belt respectively.