CN218376670U - Engine cylinder block, engine and engineering equipment - Google Patents

Abstract

The utility model provides an engine cylinder body, engine and engineering equipment belongs to engine oil-gas separation technical field, and wherein, the engine cylinder body includes: the cylinder body is provided with a mounting hole and an air inlet and an air outlet; the cylinder sleeve is arranged in the mounting hole, an air passage is formed between the wall of the mounting hole and the outer wall of the cylinder sleeve, and the air passage is communicated with the air inlet and the air outlet; the baffle is located the air flue, has seted up the through-hole on the baffle, and the through-hole allows the oil-gas mixture to pass through. The utility model provides a pair of engine cylinder body through set up the baffle in the air flue, not only collides with the pore wall of mounting hole and the outer wall of cylinder jacket when making oil-gas mixture circulate in the air flue, still can collide with the baffle, because fluid is different with gaseous density, viscosity, fluid can deposit, gather after the collision, realizes fluid and gaseous initial gross separation to separation effect has been improved.

Description

Engine cylinder block, engine and engineering equipment

Technical Field

The utility model relates to an engine oil-gas separation technical field, concretely relates to engine cylinder body, engine and engineering equipment.

Background

In the prior art, a main stream oil-gas separation device of a diesel engine can be roughly divided into a labyrinth type, a centrifugal type and a filter element type according to principles. However, due to the requirements of national VI emission standards, two separation devices, namely a preseparation device and a main separation device, are often provided. Specifically, the main separation is usually a centrifugal or cartridge type separation device having a relatively high efficiency, and oil droplets having a relatively small particle size can be separated. The pre-separation device is a labyrinth device with relatively low efficiency, and is generally connected in series with the front of the main separation device, and the main purpose is to separate oil drops with larger particle size, thereby reducing the burden of the main separation device. However, after the oil-gas mixture is pre-separated by the existing pre-separation device, the oil content in the oil-gas mixture is still large, and the oil-gas pre-separation effect is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the relatively poor defect of engine cylinder body oil gas preseparation effect among the prior art to an engine cylinder body, engine and engineering equipment are provided.

In order to solve the above problem, the utility model provides an engine cylinder body, include: the cylinder body is provided with a mounting hole, and the cylinder body is also provided with an air inlet and an air outlet; the air channel is communicated with the air inlet and the air outlet; the partition plate is positioned in the air passage, and is provided with a through hole which allows the oil-gas mixture to pass through.

Optionally, the partition is provided in connection with the cylinder block and/or the cylinder liner.

Optionally, a groove is formed in a wall of the mounting hole, one side of the partition plate is mounted in the groove, and the other side of the partition plate extends towards the outer wall of the cylinder liner.

Optionally, the through holes are spaced apart from each other on the partition plate.

Optionally, the partition plate is provided with a plurality of partition plates, and the plurality of partition plates are suitable for being arranged at intervals along the gas circulation direction.

Optionally, the mounting hole is provided with a plurality of in an arranging manner, the cylinder jacket corresponds a plurality of the mounting hole also is provided with a plurality of, a plurality of the mounting hole corresponds the cooperation with a plurality of the cylinder jacket and forms a plurality of the air flue, a communication port has still been seted up on the cylinder block, a plurality of is provided with to the communication port, every the communication port communicates adjacent two the air flue.

Optionally, an oil discharge port is further formed in the cylinder block, and the oil discharge port is communicated with the air passage.

Optionally, the air inlet is communicated with the air passages at two sides, the air outlet is communicated with the air passage at the middle, and the oil outlet is communicated with the air passage at the middle.

The utility model also provides an engine, including foretell engine cylinder body.

The utility model also provides an engineering equipment, including foretell engine.

The utility model has the advantages of it is following:

1. the utility model provides a pair of engine cylinder body, through set up the baffle in the air flue, not only produce the collision with the pore wall of mounting hole and the outer wall of cylinder jacket when making oil-gas mixture circulate in the air flue, still can produce the collision with the baffle, because fluid is different with gaseous density, viscosity, fluid can deposit, gather after the collision, realizes fluid and gaseous initial gross separation to separation effect has been improved.

2. The utility model provides a pair of engine cylinder body, through set up a plurality of through-hole on the baffle, guarantee the smooth and easy of oil-gas mixture circulation, consequently, can not exert an influence to the flow of oil-gas mixture in the air flue.

3. The utility model provides a pair of engine cylinder body corresponds mounting hole and cylinder liner and sets up to a plurality of, makes the flow of oil-gas mixture carry out oil-gas separation through a plurality of air flue, has prolonged oil-gas mixture's circulation route, and then improves the oil-gas separation effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 shows a schematic cross-sectional structure of an engine block in a direction perpendicular to an axial direction of a cylinder liner according to an embodiment of the present invention;

fig. 2 showsbase:Sub>A schematic cross-sectional structure ofbase:Sub>A-base:Sub>A in fig. 1.

Description of the reference numerals:

10. a cylinder block; 11. mounting holes; 12. an air inlet; 13. an air outlet; 14. a communication port; 15. an oil discharge port; 16. a crankcase; 20. a cylinder liner; 30. an air passage; 40. a partition plate; 41. and a through hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

One embodiment of an engine block, as shown in fig. 1 and 2, includes: a cylinder block 10, cylinder liners 20, and a partition 40. The cylinder block 10 is provided with a mounting hole 11, the cylinder sleeve 20 is disposed in the mounting hole 11, and an air passage 30 is formed between a wall of the mounting hole 11 and an outer wall of the cylinder sleeve 20. The cylinder block 10 is further provided with an air inlet 12 and an air outlet 13, and the air passage 30 is communicated with the air inlet 12 and the air outlet 13. A partition 40 is provided in the gas duct 30, and the partition 40 can block the gas duct 30 in the gas flow direction. The partition plate 40 is provided with a through hole 41 for allowing the oil-gas mixture to pass through.

It should be noted that the intake port 12 communicates with the crankcase 16 of the cylinder block 10, and the outlet port 13 communicates with the oil-gas separation device. When the engine is subjected to oil-gas separation, the oil-gas separation device is started, and under the suction action of the oil-gas separation device, oil-gas mixture in the crankcase 16 enters the air passage 30 through the air inlet 12. The in-process that the gas-oil mixture flowed in gas flue 30 can collide with the pore wall of mounting hole 11, the outer wall of cylinder jacket 20 and the surface of baffle 40, because density, the viscosity of fluid and gas are different, fluid can deposit, gather after the collision, realizes the initial separation of fluid and gas. The collected oil is discharged from the cylinder body 10, and the primarily separated oil-gas mixture enters the oil-gas separation device from the gas outlet 13 and is further separated by the oil-gas separation device.

Through set up baffle 40 in air flue 30, make the oil gas mixture not only collide with the pore wall of mounting hole 11 and the outer wall of cylinder jacket 20 when circulating in air flue 30, still can collide with baffle 40, improved the separation effect.

It should be further noted that the air duct 30 and the partition 40 are used for pre-separation of the air-fuel mixture, and the air-fuel separation device is used for main separation of the air-fuel mixture. In the prior art, the oil-gas mixture only flows through the air passage 30 to be pre-separated (without the partition plate 40), under the action of the active suction force of the oil-gas separation device, the oil-gas mixture which is not effectively pre-separated directly enters the oil-gas separation device to be subjected to main separation, however, the oil content in the oil-gas mixture which is not effectively pre-separated exceeds the design requirement, the work load of the oil-gas separation device is increased, the service life of the oil-gas separation device is shortened, and the separation efficiency and the separation effect of the oil-gas separation device are reduced.

In the present embodiment, the partition plate 40 is provided in connection with the cylinder block 10. Specifically, a groove is formed in the wall of the mounting hole 11, one side of the partition plate 40 is mounted in the groove, and the other side of the partition plate 40 extends toward the outer wall of the cylinder liner 20.

It should be noted that in this embodiment, a corresponding recess may be cast into cylinder block 10 for mounting bulkhead 40.

Of course, the partition 40 may be connected to the cylinder block 10 by other means, such as welding, etc.

It should be further noted that in other alternative embodiments, the partition 40 may be mounted on the cylinder liner 20, or the partition 40 may be connected to both the cylinder block 10 and the cylinder liner 20.

As shown in fig. 1 and 2, a plurality of partition plates 40 are provided, and the plurality of partition plates 40 are arranged at intervals along the gas flowing direction; further, each partition 40 is provided with a plurality of through holes 41 at intervals. When having improved the oil-gas separation effect, guarantee the smooth and easy of oil-gas mixture circulation, consequently, can not exert an influence to the flow of oil-gas mixture in air flue 30.

It should be noted that the shape of the partition 40, the number of the partitions 40, and the number, positions, and shapes of the through holes 41 in the partitions 40 may be set according to the specific type of the engine.

As shown in fig. 1, a plurality of mounting holes 11 are opened on the cylinder block 10, the mounting holes 11 are arranged on the cylinder block 10 at intervals in a row, correspondingly, the cylinder liner 20 is also provided with a plurality of mounting holes 11, and the cylinder liner 20 and the mounting holes 11 are correspondingly matched to form a plurality of air passages 30. A plurality of communication ports 14 are further formed in the cylinder block 10, and each communication port 14 is communicated with two adjacent air passages 30, so that the air passages 30 are all communicated.

In the present embodiment, as shown in fig. 1, a plurality of partitions 40 are disposed in each air duct 30.

In the present embodiment, the cylinder block 10 further has an oil discharge port 15, and the oil discharge port 15 is communicated with the gas passage 30. By providing the drain port 15, the collected oil is discharged from the drain port 15 into the oil pan at the bottom of the crankcase 16.

In the present embodiment, as shown in fig. 1, the air inlet 12 communicates with the air passages 30 at both side positions, the air outlet 13 communicates with the air passage 30 at the middle position, and the oil outlet 15 also communicates with the air passage 30 at the middle position.

Correspond mounting hole 11 and cylinder liner 20 and set up to a plurality of, make the oil-gas mixture air current pass through a plurality of air flue 30 and carry out oil-gas separation, prolonged oil-gas mixture's circulation route, and then improve the oil-gas separation effect.

It is worth noting that, since the mounting hole 11 is used for mounting the piston, the number of cylinders of the engine corresponds to the number of holes of the mounting hole 11, as will be understood by those skilled in the art. When the engine is a three-cylinder engine, the corresponding mounting holes 11 are provided in three, and when the engine is a four-cylinder engine, the corresponding mounting holes 11 are provided in four. In the present embodiment, as shown in fig. 1, six mounting holes 11 are provided, and therefore, the engine of the present embodiment is a six-cylinder engine. Of course, when the engine has other cylinder numbers, the number of the mounting holes 11 can be adjusted by those skilled in the art accordingly.

Specifically, in the present embodiment, please refer to fig. 1, the mounting hole 11 includes a first hole, a second hole, a third hole, a fourth hole, a fifth hole and a sixth hole, which are sequentially disposed at intervals from left to right. That is, the first hole body corresponds to the first cylinder, the second hole body corresponds to the second cylinder, the third hole body corresponds to the third cylinder, the fourth hole body corresponds to the fourth cylinder, the fifth hole body corresponds to the fifth cylinder, and the sixth hole body corresponds to the sixth cylinder.

It should be noted that, referring to fig. 1, two partition plates 40 are respectively disposed in the air duct 30 corresponding to the first hole body, the air duct 30 corresponding to the second hole body, the air duct 30 corresponding to the third hole body, the air duct 30 corresponding to the fourth hole body, the air duct 30 corresponding to the fifth hole body, and the air duct 30 corresponding to the sixth hole body, and the two partition plates 40 are disposed at an interval of 180 ° in the air duct 30.

In the present embodiment, as shown in fig. 1 and 2, two air inlets 12 are provided, and the two air inlets 12 are respectively communicated with the air passage 30 corresponding to the first hole body and the air passage 30 corresponding to the sixth hole body; one air outlet 13 is arranged, and the air outlet 13 is communicated with the air passage 30 corresponding to the third hole body; two oil discharge ports 15 are provided, and the two oil discharge ports 15 are respectively communicated with the air passage 30 corresponding to the third hole body and the air passage 30 corresponding to the fourth hole body.

Therefore, in this embodiment, the oil-gas mixture gets into from the air flue 30 that is located both sides to can make the oil-gas mixture carry out the collision separation through two air flues 30 at least, so that the oil-gas mixture can carry out oil-gas separation through longer distance, make the oil-gas separation effect better.

It should be noted that, since the third hole and the fourth hole are symmetrically disposed, it is also a feasible embodiment to dispose the exhaust port in communication with the air duct 30 corresponding to the fourth hole.

The embodiment also provides an engine, which comprises an engine cylinder body and an oil-gas separation device, wherein the engine cylinder body is the engine cylinder body. Further, an oil-gas separation device is provided at a side portion of the crankcase 16, and the oil-gas separation device is communicated with the air passage 30 in the engine block through the air outlet 13.

The embodiment also provides engineering equipment comprising the engine. The engineering equipment can comprise operation vehicles such as heavy trucks, trailers, excavators, driving and anchoring machines, bulldozers, road rollers, concrete pump trucks and the like, or mechanical operation equipment such as tower cranes, construction elevators, material hoists and the like.

When the engine cylinder block of the embodiment is used, under the suction action of the oil-gas separation device, oil-gas mixture enters the air passage 30 corresponding to the first hole body and the air passage 30 corresponding to the sixth hole body from the two air inlets 12 respectively; the oil-gas mixture entering the air passage 30 corresponding to the first hole body sequentially collides with the hole wall corresponding to the first hole body, the outer wall of the cylinder sleeve 20 and the partition plate 40 in the air passage 30, the hole wall corresponding to the second hole body, the outer wall of the cylinder sleeve 20 and the partition plate 40 in the air passage 30, the hole wall corresponding to the third hole body, the outer wall of the cylinder sleeve 20 and the partition plate 40 in the air passage 30, so that oil is deposited, gathered and discharged through the oil discharge port 15 corresponding to the third hole body, and the pre-separated oil-gas mixture enters the oil-gas separation device through the air outlet 13 corresponding to the third hole body; the oil-gas mixture that gets into in the air flue 30 that the sixth hole body corresponds, the pore wall that corresponds with the sixth hole body in proper order, the outer wall of cylinder jacket 20 and the baffle 40 in the air flue 30, the pore wall that the fifth hole body corresponds, the outer wall of cylinder jacket 20 and the baffle 40 in the air flue 30, the pore wall that the fourth hole body corresponds, baffle 40 in the outer wall of cylinder jacket 20 and the air flue 30 produces the collision, make fluid deposit, the gathering and discharge through the oil drain port 15 that the fourth hole body corresponds, the oil-gas mixture after preseparation gets into in the air flue 30 that the third hole body corresponds through intercommunication mouth 14, and get into in the oil-gas separation device by the gas outlet 13 that the third hole body corresponds.

According to the above description, the present patent application has the following advantages:

1. the baffle is arranged, so that the collision probability of oil-gas mixture is improved, and the oil-gas pre-separation effect is improved;

2. adopt first jar and sixth jar to admit air, the third jar is given vent to anger, can let the gas-oil mixture fully strike with inner wall and baffle in the separation inner chamber to promote separation efficiency and effect.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.

Claims (10)

1. An engine block, comprising:

the cylinder body (10), the cylinder body (10) is provided with a mounting hole (11), and the cylinder body (10) is also provided with an air inlet (12) and an air outlet (13);

the cylinder sleeve (20) is arranged in the mounting hole (11), an air passage (30) is formed between the hole wall of the mounting hole (11) and the outer wall of the cylinder sleeve (20), and the air passage (30) is communicated with the air inlet (12) and the air outlet (13);

the partition plate (40) is positioned in the air channel (30), a through hole (41) is formed in the partition plate (40), and the through hole (41) allows the oil-gas mixture to pass through.

2. The engine block according to claim 1, characterized in that the bulkhead (40) is provided in connection with the cylinder block (10) and/or the cylinder liner (20).

3. The engine block according to claim 2, characterized in that a recess is provided on a wall of the mounting hole (11), and one side of the bulkhead (40) is mounted in the recess and the other side of the bulkhead (40) extends toward the outer wall of the cylinder liner (20).

4. The engine block according to any one of claims 1 to 3, characterized in that the through holes (41) are provided in several spaced apart positions on the partition (40).

5. An engine block according to any one of claims 1 to 3, characterised in that the partition (40) is provided in a plurality of numbers, and that the plurality of partitions (40) are adapted to be arranged at intervals in the gas flow direction.

6. The engine block according to any one of claims 1 to 3, characterized in that a plurality of the mounting holes (11) are arranged, a plurality of the cylinder sleeves (20) are arranged corresponding to a plurality of the mounting holes (11), a plurality of the mounting holes (11) and a plurality of the cylinder sleeves (20) are correspondingly matched to form a plurality of the air passages (30), the cylinder block (10) is further provided with a communication port (14), a plurality of the communication ports (14) are arranged, and each communication port (14) is communicated with two adjacent air passages (30).

7. The engine block according to claim 6, wherein the cylinder block (10) is further provided with an oil drain port (15), and the oil drain port (15) is communicated with the air passage (30).

8. The engine block according to claim 7, characterized in that the intake port (12) communicates with the air passages (30) at both side positions, the outlet port (13) communicates with the air passage (30) at a middle position, and the oil discharge port (15) communicates with the air passage (30) at a middle position.

9. An engine comprising an engine block according to any one of claims 1 to 8.

10. An engineering plant, characterized by comprising an engine as claimed in claim 9.

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