CN209569095U - A top arrangement structure of an engine and the engine - Google Patents

Abstract

The utility model discloses the top arragement constructions and engine of a kind of engine, including heat exchanger, main intercooler, engine air inlet tube and the tailpipe being sequentially arranged on the line of centres of the front end of engine to the rear end of engine, engine air inlet tube includes that inlet manifold and air inlet are in charge of, and tailpipe is located at air inlet and is in charge of on folder bisector of angle；Fuel filter and oil filter are located at the two sides of heat exchanger；First air cleaner and the second air cleaner are symmetrically distributed in the two sides of main intercooler；First low-pressure stage booster and the second low-pressure stage booster are symmetrically distributed in the two sides of the line of centres and arrange respectively close to the outside that angle is in charge of in air inlet；The port arrangements that intercooler is symmetrically distributed in the two sides of the line of centres and is in charge of respectively close to the air inlet of respective side between intercooler and the second level between the first order.The top arragement construction of above-mentioned engine realizes the compact arrangement of complicated h type engine h by the structure type being arranged symmetrically.

Description

A top arrangement structure of an engine and the engine

technical field

The utility model relates to the technical field of overall arrangement of engines, in particular to a top arrangement structure of an engine and the engine.

Background technique

With the continuous development and maturity of the engine industry, the design requirements for the engine have become more and more stringent, and the overall layout of the engine has gradually begun to develop in the direction of refined design and compact design.

For a complex engine, such as an engine equipped with a two-stage supercharged intake system with dual intakes, it is even more difficult to achieve a compact design. The engines of the system do not yet have a better compact arrangement.

To sum up, the problem of how to realize the compact layout of the engine of the dual-intake two-stage supercharged air intake system has become a technical problem that those skilled in the art urgently need to solve.

Utility model content

The purpose of the utility model is to provide a top arrangement structure of the engine and the engine, so as to realize the compact arrangement of the engine of the dual-intake two-stage supercharged intake system.

In order to achieve the above object, the utility model provides a top arrangement structure of the engine, including a heat exchanger arranged on the top of the engine, a fuel filter, an oil filter, a main intercooler, an engine intake pipe, an exhaust Tail pipe, first air cleaner, second air cleaner, first low-pressure stage supercharger, second low-pressure stage supercharger, first interstage intercooler and second interstage intercooler;

The heat exchanger, the main intercooler, the engine intake pipe and the exhaust tail pipe are sequentially arranged on the central connection line from the front end of the engine to the rear end of the engine, and the engine intake pipe includes The air intake main pipe arranged in a line and the air intake branch pipes connected with the air intake main pipe and symmetrically distributed on both sides of the central connection line, and the angle between the two air intake branch pipes formed by the air intake branch pipes is less than 180°, and The exhaust tailpipe is located on the bisector of the angle between the intake pipes;

The fuel filter and the oil filter are respectively located on both sides of the heat exchanger;

The first air filter and the second air filter are symmetrically distributed on both sides of the main intercooler;

The first low-pressure stage supercharger and the second low-pressure stage supercharger are symmetrically distributed on both sides of the central connection line, and are respectively arranged adjacent to the outer sides of the included angle of the intake manifold;

The first inter-stage intercooler and the second inter-stage intercooler are symmetrically distributed on both sides of the central connection line and are respectively arranged adjacent to the ports of the intake branch pipes on the corresponding sides.

Preferably, the fuel filter and the oil filter are arranged in parallel.

Preferably, the fuel filter and the oil filter are arranged at an acute angle.

Preferably, the first air filter and the second air filter are arranged in parallel.

Preferably, the first air filter and the second air filter are arranged at an acute angle.

Preferably, the first interstage intercooler and the second interstage intercooler are arranged in parallel.

Preferably, the first interstage intercooler and the second interstage intercooler are arranged at an acute angle.

Preferably, an electronic control unit and its wiring harness are also arranged on the top of the engine, and the electronic control unit and its wiring harness are located on the front end side of the heat exchanger facing the engine.

Preferably, the top of the engine is also provided with lifting rings, and the lifting rings include a first lifting ring, a second lifting ring and a third lifting ring; the first lifting ring and the second lifting ring are symmetrically distributed on both sides of the central line. side, and the first lifting ring is located in the first avoidance space formed by the fuel filter and the air filter on the corresponding side, and the second lifting ring is located on the oil filter and the air filter on the corresponding side. in the second avoidance space formed by the device;

The third lifting ring is arranged on the central line and is located in a third avoidance space formed between the vertex of the angle between the intake manifold and the exhaust tailpipe.

Compared with the introduction of the background technology, the top arrangement structure of the above-mentioned engine includes a heat exchanger arranged on the top of the engine, a fuel filter, an oil filter, a main intercooler, an engine intake pipe, an exhaust tailpipe, First air cleaner, second air cleaner, first low-pressure stage supercharger, second low-pressure stage supercharger, first interstage intercooler and second interstage intercooler; heat exchanger, The main intercooler, engine intake pipe and exhaust tailpipe are sequentially arranged on the central line from the front end of the engine to the rear end of the engine. Intake branch pipes on both sides of the central line, and the angle between the two intake pipes is less than 180°, and the exhaust tailpipe is located on the bisector of the angle between the intake pipes; the fuel filter and The oil filter is located on both sides of the heat exchanger; the first air filter and the second air filter are symmetrically distributed on both sides of the main intercooler; the first low-pressure stage supercharger and the second low-pressure stage supercharger The compressors are symmetrically distributed on both sides of the central line and are respectively arranged adjacent to the outside of the angle of the intake manifold; the first interstage intercooler and the second intercooler are symmetrically distributed on both sides of the central line and are respectively adjacent to the The port arrangement of the intake manifold on the corresponding side. The top arrangement structure of the above-mentioned engine adopts a symmetrical arrangement structure, and the structural form in which each component is arranged next to each other. The various system components involved in the top of the engine are inlaid and interspersed with each other in space, such as heat exchangers and fuel filters. The shared space of the turbocharger and the oil filter, the inter-stage supercharger and the port of the intake branch pipe on the corresponding side are arranged in close proximity, and the interspersed design method can be adopted, which will also improve the compactness of the overall arrangement of the top of the engine. On the basis of meeting the performance and maintenance requirements, the entire engine system and components are designed with full consideration of mutual avoidance, so as to achieve obvious advantages in the size of the entire engine. Due to the full use of the layout space at the top of the engine, the structure of the whole engine is compact, and the compact layout of the complex engine with a double-intake two-stage supercharging intake system is realized.

In addition, the utility model also provides an engine, including a top arrangement structure of the engine, and the top arrangement structure is the top arrangement structure described in any solution above. Since the above-mentioned top arrangement structure has the above-mentioned technical effects, the engine having the above-mentioned top arrangement structure should also have corresponding technical effects, which will not be repeated here.

Description of drawings

Fig. 1 is the schematic diagram of the top arrangement structure of the engine that the utility model embodiment provides;

Fig. 2 is a structural schematic view of the position of the third suspension ring observed from the front end of the engine provided by the embodiment of the utility model (this view omits some components).

In Figures 1 and 2 above,

Heat exchanger 1, fuel filter 2, oil filter 3, main intercooler 4, engine intake pipe 5, intake manifold 51, intake manifold 52, exhaust tailpipe 6, first air filter 71. The second air filter 72, the first low-pressure stage supercharger 81, the second low-pressure stage supercharger 82, the first interstage intercooler 91, the second interstage intercooler 92, and the central connection line 10 , the electric control unit and its wire harness 11, the first lifting ring 12a, the second lifting ring 12b, the third lifting ring 12c, the bracket 13, the first air intake connection 14a, the second intake connection 14b, the first cylinder head 15a, the second cylinder Cover 15b, machine body 16, first rocker arm cover 17a, second rocker arm cover 17b.

Detailed ways

The core of the utility model is to provide a top arrangement structure of the engine and the engine, so as to realize the compact arrangement of the engine of the dual-intake two-stage supercharged intake system.

In order to make those skilled in the art better understand the technical solutions provided by the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, the top arrangement structure of an engine provided by the embodiment of the present invention includes a heat exchanger 1 arranged on the top of the engine, a fuel filter 2, an oil filter 3, a main center Cooler 4, engine intake pipe 5, exhaust tailpipe 6, first air filter 71, second air filter 72, first low-pressure stage supercharger 81, second low-pressure stage supercharger 82, the first Intercooler 91 between one stage and intercooler 92 between two stages; heat exchanger 1, main intercooler 4, engine intake pipe 5 and exhaust tailpipe 6 are connected at the center of the rear end of the engine at the front end of the engine Arranged sequentially on 10, the engine intake pipe 5 includes an intake manifold 51 arranged along the central line 10 and an intake branch pipe 52 that communicates with the intake manifold 51 and is symmetrically distributed on both sides of the central line 10, and the two intake manifolds 52 The formed intake branch pipe angle is less than 180°, and the exhaust tailpipe 6 is located on the bisector of the intake pipe branch angle; the fuel filter 2 and the oil filter 3 are respectively located on both sides of the heat exchanger 1; The first air filter 71 and the second air filter 72 are symmetrically distributed on both sides of the main intercooler 4; the first low-pressure stage supercharger 81 and the second low-pressure stage supercharger 82 are symmetrically distributed on the central line 10 and respectively adjacent to the outside of the angle of the intake branch pipe; the first inter-stage intercooler 91 and the second inter-stage intercooler 92 are symmetrically distributed on both sides of the central connection line 10 and are respectively adjacent to the inlet of the corresponding side. Port arrangement of gas distribution pipe 52 .

The top arrangement structure of the above-mentioned engine adopts the structural form of symmetrical arrangement, and the structural form in which the various components are arranged next to each other. The various system components involved in the top of the engine are inlaid and interspersed with each other in space, such as the heat exchanger 1 and the fuel filter. The cleaner 2 and the oil filter are shared in space, and the interstage supercharger is arranged adjacent to the port of the intake branch pipe on the corresponding side. The interspersed design method can be adopted, which will also improve the compactness of the overall arrangement of the top of the engine. On the basis of meeting the performance and maintenance requirements, the entire engine system and components are designed with full consideration of mutual avoidance, so as to achieve obvious advantages in the size of the entire engine. Due to the full use of the layout space at the top of the engine, the structure of the whole engine is compact, and the compact layout of the complex engine with a double-intake two-stage supercharging intake system is realized.

In addition, the arrangement structure at the top of the engine provided by the utility model can also improve the safety and reliability of the engine operation: because the front end of the engine with this arrangement structure has a large space, the service personnel have frequent activities, and the regular inspection and maintenance parts are arranged at the front end; High-temperature components such as the compressor and exhaust pipe are arranged at the rear end of the engine, and generally do not require maintenance. The front end is the maintenance area, the temperature of the whole area is low, and the rear end is the high temperature area, which is far away from the oil filter and fuel filter at the front end. This structural arrangement can not only ensure the safety of the engine during operation, but also ensure that the inspection Safety of personnel activities at the front end.

It should be noted that those skilled in the art should be able to understand that, for a dual intake system, the first air filter 71, the first low-pressure stage supercharger 81 and the first interstage intercooler 91 are sequentially connected in series, the second air filter 72, the second low-pressure stage supercharger 82 and the second interstage intercooler 92 are sequentially connected in series; between the first air filter 71 and the first low-pressure stage supercharger 81 It is connected through the first intake pipe 14a, and the second air filter 72 is connected with the second low-pressure stage supercharger 82 through the second air intake pipe 14b. In addition, it should be noted that for a dual-intake engine system, such as a V-type engine, its body 16 should also include a first cylinder head 15a, a second cylinder head 15b, a first rocker arm, and cover 17a and the second rocker cover 17b. At the same time, considering that the valve clearance needs to be adjusted frequently, it is necessary to fully reserve the disassembly space for the rocker arm cover and its fasteners when designing the various parts of the engine.

It should also be noted that those skilled in the art should be able to understand that the front end of the engine refers to the side corresponding to the frequent maintenance of the engine, corresponding to the left side of Figure 1; the rear end of the engine refers to the side opposite to the front end of the corresponding engine. side, corresponding to the right side of Figure 1.

In some specific embodiments, the above-mentioned fuel filter 2 and engine oil filter 3 may be arranged in parallel, or arranged in a certain angle, and the angle is an acute angle.

Similarly, the first air filter 71 and the second air filter 72 can be arranged in parallel, or at a certain angle, and the angle is an acute angle; the first interstage intercooler 91 and the second-stage intercooler 92 can be arranged in parallel or at a certain included angle, and the included angle is an acute angle

In a further embodiment, an electronic control unit and its wiring harness 11 are also arranged on the top of the above engine, and the electronic control unit and its wiring harness 11 are located on the front end side of the heat exchanger 1 facing the engine. Because the electronic control unit and its wiring harness are also parts that often need to be repaired, it is more convenient to repair and operate by designing it at the front end of the engine.

In a further embodiment, in order to facilitate the hoisting of the engine, a suspension ring is also arranged on the top of the engine, and the suspension ring specifically includes the first suspension ring 12a, the second suspension ring 12b and the third suspension ring 12c; the first suspension ring 12a and the second suspension ring 12b They are symmetrically distributed on both sides of the central connection line 10, and the first lifting ring 12a is located in the first avoidance space formed by the fuel filter 2 and the air filter on the corresponding side, and the second lifting ring 12b is located between the oil filter 3 and the corresponding In the second avoidance space formed by the side air filter; the third suspension ring 12c is arranged on the central line 10 and is located in the third avoidance space formed between the vertex of the angle between the intake manifold and the exhaust tailpipe 6 . By arranging the lifting rings in the reasonable avoidance space between the parts at the top of the engine, the engine can be hoisted and at the same time, the space at the top can be further utilized, thus realizing the performance and maintenance of the entire engine system and parts. On the basis of requirements, a clear advantage in the size of the entire engine is realized. What needs to be explained here is that, since the position of the third suspension ring belongs to the structural form protruding from the slit relatively speaking, in order to facilitate the installation of the third suspension ring, the bracket 13 is generally introduced on the rear end face of the engine, and the third suspension ring 12c is installed directly on the bracket 13.

In addition, the utility model also provides an engine, including a top arrangement structure of the engine, and the top arrangement structure is the top arrangement structure described in any solution above. Since the above-mentioned top arrangement structure has the above-mentioned technical effects, the engine having the above-mentioned top arrangement structure should also have corresponding technical effects, which will not be repeated here.

The top arrangement structure of the engine and the engine provided by the utility model have been introduced in detail above. It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. For the same and similar parts in each embodiment, refer to each other, that is, Can.

It should also be noted that, herein, terms such as "comprises", "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion such that an article or device comprising a series of elements includes not only those elements, but also Contains other elements not expressly listed, or also includes elements inherent in the article or equipment. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in an article or device comprising the aforementioned element.

In this paper, specific examples are used to illustrate the principle and implementation of the present utility model, and the descriptions of the above embodiments are only used to help understand the core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (10)

1. A top arrangement structure of an engine is characterized in that it comprises a heat exchanger (1), a fuel filter (2), an oil filter (3), a main intercooler (4) arranged on the top of the engine ), engine intake pipe (5), exhaust tailpipe (6), first air filter (71), second air filter (72), first low-pressure stage supercharger (81), second A low-pressure stage supercharger (82), a first-stage intercooler (91) and a second-stage intercooler (92); The heat exchanger (1), the main intercooler (4), the engine intake pipe (5) and the exhaust tailpipe (6) connect the front end of the engine to the center line (10) of the rear end of the engine Arranged in sequence above, the engine intake pipe (5) includes an air intake manifold (51) arranged along the central line (10) and communicated with the air intake manifold (51) and symmetrically distributed on the central line ( 10) The intake manifolds (52) on both sides, and the angle between the intake manifolds (52) formed by the two intake manifolds (52) is less than 180°, and the exhaust tailpipe (6) is located at the inlet The bisector of the angle between the pipes; The fuel filter (2) and the oil filter (3) are respectively located on both sides of the heat exchanger (1); The first air filter (71) and the second air filter (72) are symmetrically distributed on both sides of the main intercooler (4); The first low-pressure stage supercharger (81) and the second low-pressure stage supercharger (82) are symmetrically distributed on both sides of the central connection line (10) and are respectively adjacent to the corners of the inlet branch pipe angle. Outer arrangement; The first inter-stage intercooler (91) and the second inter-stage intercooler (92) are symmetrically distributed on both sides of the central connection line (10) and are respectively adjacent to the intake manifolds on the corresponding sides (52) port arrangement. 2. The top arrangement structure of the engine according to claim 1, characterized in that, the fuel filter (2) and the oil filter (3) are arranged in parallel. 3. The top arrangement structure of the engine according to claim 1, characterized in that, the fuel filter (2) and the oil filter (3) are arranged at an acute angle. 4. The top end arrangement structure of the engine according to claim 1, characterized in that, the first air filter (71) and the second air filter (72) are arranged in parallel. 5. The top arrangement structure of the engine according to claim 1, characterized in that, the first air filter (71) and the second air filter (72) are arranged at an acute angle. 6. The top end arrangement structure of the engine according to claim 1, characterized in that, the first interstage intercooler (91) and the second interstage intercooler (92) are arranged in parallel. 7. The top end arrangement structure of the engine according to claim 1, characterized in that, the first interstage intercooler (91) and the second interstage intercooler (92) are arranged at an acute angle. 8. The top arrangement structure of the engine according to claim 1, characterized in that, an electric control unit and its wiring harness (11) are also arranged on the top of the engine, and the electric control unit and its wiring harness (11) are located at The heat exchanger (1) is on the front end side of the engine. 9. as the top arrangement structure of engine according to any one of claim 1-8, it is characterized in that, the top of described engine is also arranged with suspension ring, and described suspension ring comprises first suspension ring (12a), second suspension ring ( 12b) and the third lifting ring (12c); the first lifting ring (12a) and the second lifting ring (12b) are symmetrically distributed on both sides of the central connecting line (10), and the first lifting ring (12a ) is located in the first avoidance space formed by the fuel filter (2) and the air filter on the corresponding side, and the second suspension ring (12b) is located in the air filter (3) on the corresponding side. In the second avoidance space formed by the filter; The third lifting ring (12c) is arranged on the central line (10) and is located in a third avoidance space formed between the vertex of the angle between the intake manifold and the exhaust tailpipe (6). 10. An engine, comprising a top end arrangement structure of the engine, characterized in that the top end arrangement structure is the top end arrangement structure according to any one of claims 1-9.