阅读说明：本技术 一种适用多种增压器的发动机 (Engine suitable for various superchargers ) 是由 高呈毓 于 2020-11-30 设计创作，主要内容包括：本发明提供一种适用多种增压器的发动机。该适用多种增压器的发动机,包括机体,空冷器,增压器与基座。基座安装于不同的安装位时,基座上能够对应安装一种不同的增压器,以使得增压器进气口的中心与排气口的中心轴线之间的距离小于第一预定值,且增压器出气口的中心与空冷器进气口的中心轴线之间的距离小于第二预定值,以此保证增压器的进气与出气效果,省去了调整发动机整体结构的麻烦。(The invention provides an engine suitable for various superchargers. The engine suitable for various superchargers comprises an engine body, an air cooler, a supercharger and a base. When the base is installed in different installation positions, a different supercharger can be correspondingly installed on the base, so that the distance between the center of the supercharger air inlet and the central axis of the air outlet is smaller than a first preset value, and the distance between the center of the supercharger air outlet and the central axis of the air cooler air inlet is smaller than a second preset value, so that the air inlet and outlet effects of the supercharger are guaranteed, and the trouble of adjusting the whole structure of the engine is eliminated.)

1. An engine adapted for use with a plurality of superchargers, comprising:

a body (1) having an exhaust port (121);

the air cooler (2) is arranged on the machine body (1), the air cooler (2) is provided with an air cooler air inlet (21), and a plurality of mounting positions are arranged on the air cooler (2);

the supercharger (3) is provided with a supercharger air inlet (31) and a supercharger air outlet (32), the supercharger air inlet (31) is used for being connected with the exhaust port (121), and the supercharger air outlet (32) is used for being connected with the air cooler air inlet (21);

the base (4), when base (4) is installed in the different installation position, the booster (3) of a difference can be correspondingly installed on the base (4) to make the distance between the center of the booster air inlet (31) and the central axis of the exhaust port (121) be less than a first preset value, and the distance between the center of the booster air outlet (32) and the central axis of the air cooler air inlet (21) be less than a second preset value.

2. The engine adapted for use with multiple superchargers of claim 1, wherein: organism (1) includes cylinder block (11) and exhaust pipe (12), exhaust pipe (12) are located cylinder block (11) top, and follow cylinder block (11) length direction sets up, gas vent (121) are located the one end of exhaust pipe (12), air cooler (2) are located cylinder block (11) are close to the one end of gas vent (121), and are a plurality of the installation position is followed cylinder block (11) width direction interval sets up.

3. The engine adapted for use with multiple superchargers of claim 1, wherein: when the diameter of the exhaust port (121) is 0.5 to 1m and the distance between the center of the supercharger intake port (31) and the center of the exhaust port (121) in the direction of the central axis of the exhaust port (121) is greater than 0.7m, the first predetermined value is 0.3 to 0.5 m.

4. The engine adapted for use with multiple superchargers of claim 1, wherein: when the diameter of the supercharger air outlet (32) is 0.2-0.4m, and the distance between the center of the supercharger air outlet (32) and the center of the air cooler air inlet (21) along the central axis direction of the air cooler air inlet (21) is greater than 0.7m, the second preset value is 0.1-0.3 m.

5. The engine adapted for use with multiple superchargers of claim 1, wherein: supercharger (3) are provided with a plurality of first mounting holes (33), base (4) are provided with a plurality of second mounting holes (41), first mounting hole (33) with second mounting hole (41) one-to-one sets up, every first mounting hole (33) and corresponding all wear to be equipped with the fastener in second mounting hole (41).

6. The engine adapted for use with multiple superchargers of claim 1, wherein: the installation position includes a plurality of first connecting holes (22), base (4) are provided with a plurality of second connecting holes (42), first connecting hole (22) with second connecting hole (42) one-to-one sets up, every first connecting hole (22) and corresponding all wear to be equipped with the connecting piece in second connecting hole (42).

7. The engine adapted for use with multiple superchargers of claim 1, wherein: base (4) include upper substrate (43), infrabasal plate (44), bearing structure (45) and additional strengthening (46), infrabasal plate (44) connect in air cooler (2), upper substrate (43) connect in booster (3), bearing structure (45) support in upper substrate (43) with between infrabasal plate (44), additional strengthening (46) include stay tube (461), stay tube (461) support in upper substrate (43) with between infrabasal plate (44) and be located base (4) are close to one side of booster gas outlet (32).

8. The engine adapted for use with multiple superchargers of claim 7, wherein: the reinforcing structure (46) comprises a plurality of supporting pipes (461), the supporting pipes (461) are arranged at intervals, and a reinforcing plate (462) is arranged between every two adjacent supporting pipes (461).

9. The engine adapted for use with multiple superchargers of claim 1, wherein: the engine suitable for various superchargers further comprises an air inlet pipe (5) and an air outlet pipe (6), the air inlet pipe (5) can be detachably connected to the supercharger air inlet (31) and the air outlet (121), and the air outlet pipe (6) can be detachably connected to the supercharger air outlet (32) and the air cooler air inlet (21).

10. The engine adapted for use with multiple superchargers of claim 1, wherein: at least one of the supercharger air inlet (31), the supercharger air outlet (32), the exhaust port (121) and the air cooler air inlet (21) is provided with a grille (7).

Technical Field

The invention relates to the technical field of engines, in particular to an engine suitable for various superchargers.

Background

Supercharged engines are widely used in the field of ships. When the engine works, the supercharger compresses air entering the cylinder body in advance, improves air inlet density, enables fuel to burn efficiently, and achieves the purposes of improving engine dynamic property, improving specific power, improving fuel economy and reducing exhaust emission and noise.

The operator may select different superchargers based on such factors as supercharger performance, price, etc. The relative positions of the air inlet and the air outlet of the supercharger of different superchargers are different, which influences the relative positions of the air inlet and the air outlet of the supercharger and the relative positions of the air outlet of the supercharger and the air inlet of the air cooler. Too large a distance between the center of the supercharger intake port and the center axis of the exhaust port causes a large bend in the pipe connecting the supercharger intake port and the exhaust port. The distance between the center of the supercharger air outlet and the central axis of the air cooler air inlet is too large, which causes the pipeline connecting the supercharger air outlet and the air cooler air inlet to have large bending. Too much bending of the pipeline can cause airflow accumulation, airflow reduction and airflow pressure overlarge, and further the working efficiency of the supercharger is reduced and the supercharger is even damaged.

The installation position of the supercharger determines the relative position of the air inlet and the air outlet of the supercharger and the relative position of the air outlet of the supercharger and the air inlet of the air cooler. The existing engine is only suitable for a supercharger, when the supercharger is replaced, in order to ensure that the mounting position of the supercharger is reasonable, the overall structure of the engine needs to be adjusted, and the main influence is as follows: the position of gas vent, air cooler casing etc. the spare part of influence is more, increases the work load of design.

Disclosure of Invention

The invention aims to provide an engine suitable for various superchargers, and aims to solve the problem that the overall structure of the engine needs to be adjusted when different superchargers are replaced in the conventional engine.

In order to achieve the purpose, the invention adopts the following technical scheme:

an engine adapted for use with a plurality of superchargers, comprising:

a body having an exhaust port;

the air cooler is arranged on the machine body and provided with an air cooler air inlet, and a plurality of mounting positions are arranged on the air cooler;

the air cooler air inlet is connected with the air cooler air inlet;

the base is arranged on different installation positions, different superchargers can be correspondingly arranged on the base, so that the distance between the center of the supercharger air inlet and the central axis of the exhaust port is smaller than a first preset value, and the distance between the center of the supercharger air outlet and the central axis of the air cooler air inlet is smaller than a second preset value.

Further, the organism includes cylinder block and blast pipe, the blast pipe is located the cylinder block top, and follows cylinder block length direction sets up, the gas vent is located the one end of blast pipe, the air cooler is located the cylinder block is close to the one end of gas vent, it is a plurality of the installation position is followed cylinder block width direction interval sets up.

Further, when the diameter of the exhaust port is 0.5 to 1m and the distance between the center of the supercharger intake port and the center of the exhaust port in the direction of the central axis of the exhaust port is greater than 0.7m, the first predetermined value is 0.3 to 0.5 m.

Further, when the diameter of the supercharger air outlet is 0.2-0.4m and the distance between the center of the supercharger air outlet and the center of the air cooler air inlet along the central axis direction of the air cooler air inlet is greater than 0.7m, the second predetermined value is 0.1-0.3 m.

Further, the booster is provided with a plurality of first mounting holes, the base is provided with a plurality of second mounting holes, first mounting hole with the second mounting hole one-to-one sets up, every first mounting hole with correspond all wear to be equipped with the fastener in the second mounting hole.

Further, the installation position includes a plurality of first connecting holes, the base is provided with a plurality of second connecting holes, first connecting hole with the second connecting hole one-to-one sets up, every first connecting hole with correspond all wear to be equipped with the connecting piece in the second connecting hole.

Further, the base includes upper substrate, infrabasal plate, bearing structure and additional strengthening, the infrabasal plate connect in the air cooler, the upper substrate connect in the booster, bearing structure support in the upper substrate with between the infrabasal plate, additional strengthening includes the stay tube, the stay tube support in the upper substrate with between the infrabasal plate and be located the base is close to one side of booster gas outlet.

Further, the reinforcing structure comprises a plurality of supporting pipes which are arranged at intervals, and a reinforcing plate is arranged between every two adjacent supporting pipes.

Further, the engine suitable for various superchargers further comprises an air inlet pipe and an air outlet pipe, the air inlet pipe is detachably connected between the air inlet of the supercharger and the air exhaust port, and the air outlet pipe is detachably connected between the air outlet of the supercharger and the air cooler air inlet.

Further, at least one of the supercharger air inlet, the supercharger air outlet, the exhaust port and the air cooler air inlet is provided with a grid.

The invention has the beneficial effects that:

the invention provides an engine suitable for various superchargers. The engine suitable for various superchargers is provided with a supercharger arranged on a base. The air cooler is provided with a plurality of mounting positions for mounting the base. The relative positions of the supercharger air inlet and the supercharger air outlet of different superchargers are different, and when different superchargers are replaced, the mounting position of the base on the air cooler is adjusted, so that the distance between the center of the supercharger air inlet and the central axis of the exhaust port is smaller than a first preset value, and the distance between the center of the supercharger air outlet and the central axis of the air cooler air inlet is smaller than a second preset value. Therefore, a pipeline connecting the air inlet and the air outlet of the supercharger has smaller bending, and a pipeline connecting the air outlet of the supercharger and the air inlet of the air cooler has smaller bending. Thereby ensuring the air inlet and outlet effects of the supercharger and saving the trouble of adjusting the whole structure of the engine.

Drawings

FIG. 1 is a schematic diagram of an engine adapted with various superchargers according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of a grid according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a supercharger mounted on a base according to an embodiment of the present invention.

In the figure:

1. a body; 11. a cylinder block; 12. an exhaust pipe; 121. an exhaust port;

2. an air cooler; 21. an air cooler air inlet; 22. a first connection hole;

3. a supercharger; 31. a supercharger inlet; 32. a supercharger air outlet; 33. a first mounting hole;

4. a base; 41. a second mounting hole; 42. a second connection hole; 43. an upper substrate; 44. a lower substrate; 45. a support structure; 46. a reinforcing structure; 461. supporting a tube; 462. a reinforcing plate; 47. lightening holes;

5. an air inlet pipe; 51. a first taper pipe portion; 52. a first straight pipe portion;

6. an air outlet pipe; 61. a second taper portion; 62. a second straight tube portion;

7. a grid;

8. an expansion joint;

9. a temperature sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides an engine suitable for various superchargers, which includes a body 1, an air cooler 2, a supercharger 3 and a base 4. The body 1 has an exhaust port 121. On organism 1 was located to air cooler 2, air cooler 2 had air cooler air inlet 21, was provided with a plurality of installation positions on air cooler 2. The supercharger 3 has a supercharger inlet 31 and a supercharger outlet 32, the supercharger inlet 31 is connected to the exhaust port 121, and the supercharger outlet 32 is connected to the air cooler inlet 21. When the base 4 is installed at different installation positions, a different supercharger 3 can be correspondingly installed on the base 4, so that the distance between the center of the supercharger air inlet 31 and the central axis of the exhaust port 121 is smaller than a first preset value, and the distance between the center of the supercharger air outlet 32 and the central axis of the air cooler air inlet 21 is smaller than a second preset value.

The supercharger air inlet 31 and the supercharger air outlet 32 of different superchargers 3 are different in relative position, the existing engine is only suitable for one type of supercharger 3, the overall structure of the engine needs to be adjusted when different superchargers 3 are replaced, and the main influence is as follows: the position of the exhaust port 121, the casing of the air cooler 2, and the like affect many components. The engine to which the present embodiment is applied is provided with the supercharger 3 mounted on the base 41. The air cooler 2 is provided with a plurality of mounting positions for mounting the base 4. When a different supercharger 3 is replaced, the mounting position of the base 4 on the air cooler 2 is adjusted so that the distance between the center of the supercharger inlet 31 and the center axis of the exhaust port 121 is smaller than a first predetermined value, and so that the distance between the center of the supercharger outlet 32 and the center axis of the air cooler inlet 21 is smaller than a second predetermined value. Thereby making the pipe connecting between the supercharger inlet 31 and the exhaust port 121 less bent and making the pipe connecting the supercharger outlet 32 and the air cooler inlet 21 less bent. Thereby ensuring the air inlet and outlet effects of the supercharger 3 and saving the trouble of adjusting the whole structure of the engine.

Further, the machine body 1 includes a cylinder block 11 and an exhaust pipe 12, the exhaust pipe 12 is located above the cylinder block 11 and is disposed along a length direction of the cylinder block 11, the exhaust port 121 is disposed at one end of the exhaust pipe 12, the air cooler 2 is disposed at one end of the cylinder block 11 close to the exhaust port 121, and a plurality of mounting locations are disposed at intervals along a width direction of the cylinder block 11. The air cooler 2 is arranged at one end of the cylinder block 11, and the supercharger 3 is arranged on the air cooler 2, so that the engine suitable for the various superchargers 3 occupies less space in the width direction of the cylinder block 11, and the engine suitable for the various superchargers 3 can be arranged in a long and narrow cabin.

Further, as shown in fig. 2, when the diameter of the exhaust port 121 is 0.5 to 1m and the distance between the center of the supercharger intake port 31 and the center of the exhaust port 121 in the direction of the central axis of the exhaust port 121 is greater than 0.7m, the first predetermined value is 0.3 to 0.5 m. When the diameter of the supercharger outlet 32 is 0.2 to 0.4m and the distance between the center of the supercharger outlet 32 and the center of the air cooler inlet 21 in the direction of the central axis of the air cooler inlet 21 is greater than 0.7m, the second predetermined value is 0.1 to 0.3 m. Specifically, in the present embodiment, the diameter of the exhaust port 121 is 0.75m, the distance between the center of the supercharger intake port 31 and the center of the exhaust port 121 in the central axis direction of the exhaust port 121 is 0.95m, and the first predetermined value is 0.4 m. The diameter of the supercharger outlet 32 is 0.3m, the distance between the center of the supercharger outlet 32 and the center of the air cooler inlet 21 in the direction of the central axis of the air cooler inlet 21 is 1m, and the second predetermined value is 0.2 m.

Further, as shown in fig. 2, the engine suitable for various superchargers further comprises an air inlet pipe 5 and an air outlet pipe 6, the air inlet pipe 5 is detachably connected between the air inlet of the supercharger 3 and the exhaust port 121, and the air outlet pipe 6 is detachably connected between the air outlet 32 of the supercharger and the air inlet 21 of the air cooler. Specifically, in the present embodiment, the intake pipe 5 is detachably connected between the supercharger inlet 31 and the exhaust port 121 by a flange, and the exhaust pipe 6 is detachably connected between the supercharger outlet 32 and the air cooler inlet 21 by a flange. The air inlet pipe 5 and the air outlet pipe 6 are detachably arranged, so that the supercharger 3 can be conveniently replaced by a worker.

As shown in fig. 2, in the present embodiment, the intake pipe 5 includes a first tapered pipe portion 51 and two first straight pipe portions 52, and the two first straight pipe portions 52 are provided at both ends of the first tapered pipe portion 51, respectively. The outlet duct 6 includes a second tapered duct portion 61 and a second straight duct portion 62, and the second straight duct portion 62 is provided at one end of the second tapered duct portion 61 close to the supercharger outlet 32. The exhaust port 121 is larger than the supercharger intake port 31, and the first straight pipe portion 52 is provided at the end close to the exhaust port 121, so that the volume of the intake pipe 5 can be made larger than that of the connection using only the first tapered pipe portion 51. Under the reasonable circumstances of first taper pipe portion 51 eccentric angle, the flow that so sets up and do benefit to the increase gas transportation also is favorable to improving gas transportation pressure's stability, prevents that gas pressure wave from passing to in the booster 3. In addition, taking the intake pipe 5 as an example, when the relative position of the exhaust port 121 and the supercharger intake port 31 is fixed, the first straight pipe portion 52 is provided so that the length of the first tapered pipe portion 51 can be reduced, which facilitates the processing and manufacturing of the first tapered pipe portion 51. Specifically, in the present embodiment, the junction of the first tapered pipe portion 51 and the first straight pipe portion 52 is a rounded transition, and the junction of the second tapered pipe portion 61 and the second straight pipe portion 62 is a rounded transition. So set up, can reduce gas flow resistance, reduce the air current pressure.

Further, as shown in fig. 2, in the present embodiment, both the intake pipe 5 and the outlet pipe 6 are provided with temperature sensors 9. So set up, the staff can carry out real time monitoring to the temperature of gas vent 121 exhaust and the gas temperature behind the booster 3 pressurization to this judges whether start work is normal.

Further, as shown in fig. 2 and 3, at least one of the supercharger inlet 31, the supercharger outlet 32, the exhaust port 121, and the air cooler inlet 21 is provided with the grille 7. Specifically, in the present embodiment, the expansion joint 8 is connected to the supercharger intake port 31, and the grille 7 is provided on the expansion joint 8 connected to the supercharger intake port 31. On the one hand, the grille 7 can make the gas flow more uniform, and prevent the gas from accumulating on one side to generate larger pressure, which can cause damage to the supercharger 3 or the engine. On the other hand, the filter also has the function of filtering, so that the gas entering the supercharger 3 or the engine is cleaner. In the present embodiment, the expansion joint 8 is also connected to the supercharger outlet 32.

Further, as shown in fig. 2 and 4, the supercharger 3 is provided with a plurality of first mounting holes 33, the base 4 is provided with a plurality of second mounting holes 41, the first mounting holes 33 and the second mounting holes 41 are arranged in a one-to-one correspondence manner, and a fastener is penetrated through each of the first mounting holes 33 and the corresponding second mounting holes 41. The number and/or location of the first mounting holes 33 differs for different superchargers 3. When the supercharger is replaced, the second mounting hole 41 is opened in the base corresponding to the first mounting hole 33 in the supercharger 3 after replacement.

Further, as shown in fig. 2 and 4, the installation site includes a plurality of first connection holes 22, the base 4 is provided with a plurality of second connection holes 42, the first connection holes 22 and the second connection holes 42 are arranged in a one-to-one correspondence manner, and a connection member is arranged in each of the first connection holes 22 and the corresponding second connection hole 42 in a penetrating manner.

Further, as shown in fig. 2 and 4, the base 4 includes an upper substrate 43, a lower substrate 44, a supporting structure 45 and a reinforcing structure 46, the lower substrate 44 is connected to the air cooler 2, the upper substrate 43 is connected to the supercharger 3, the supporting structure 45 is supported between the upper substrate 43 and the lower substrate 44, and the reinforcing structure 46 includes a supporting tube 461, and the supporting tube 461 is supported between the upper substrate 43 and the lower substrate 44 and is located on a side of the base 4 close to the supercharger air outlet 32. The supercharger 3 is mounted on the base 4, and is of a cantilever beam type structure as a whole, and one side close to the supercharger air outlet 32 is a free end. A support tube 461 is provided on the base 4 on the side thereof adjacent to the supercharger outlet 32 for reinforcement. In the present embodiment, the second mounting hole 41 is provided on the upper substrate 43. The second connection hole 42 is provided on the lower substrate 44.

Further, as shown in fig. 2 and 4, the reinforcing structure 46 includes a plurality of supporting tubes 461, the supporting tubes 461 are arranged at intervals, and a reinforcing plate 462 is arranged between two adjacent supporting tubes 461. With this arrangement, the support strength between the plurality of support tubes 461 can be increased, and the support stability of the base 4 can be further improved. Specifically, in the present embodiment, two support pipes 461 are provided, two support pipes 461 are oppositely provided at both ends of the lower substrate 44, and a reinforcing plate 462 is provided between the two support pipes 461. In the present embodiment, the upper substrate 43, the lower substrate 44 and the reinforcing plate 462 are all provided with lightening holes 47. Furthermore, in the present embodiment, the support structure 45 is two support plates. The two support plates are disposed along the length direction of the base 4 and are connected to the two support tubes 461 respectively.

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. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. 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.