CN211038796U

CN211038796U - Large-volume exhaust pipe of gas engine

Info

Publication number: CN211038796U
Application number: CN201922267774.1U
Authority: CN
Inventors: 祝传艮; 宋启迅
Original assignee: Shandong Zhongtuo New Energy Co ltd
Current assignee: Shandong Zhongtuo New Energy Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-17
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a big volume blast pipe of gas engine relates to gas engine technical field, a plurality of segmentation blast pipes are sharp head and the tail fixed connection through the ripple expansion pipe, the segmentation blast pipe at end passes through the end plate and seals up, the segmentation blast pipe of head end passes through ripple expansion pipe and reducer pipe fixed connection, be equipped with a plurality of exhaust manifold groups on every segmentation blast pipe, every exhaust manifold group includes two exhaust manifold, and two exhaust manifold's central line all intersects with the axis of segmentation blast pipe, be fixed with the small flange on two exhaust manifold's the outer terminal surface, contained angle between two small flange's the terminal surface is 60. The utility model discloses make the blast pipe internal pressure fluctuation fall to the within range of allowwing, improve the engine performance.

Description

Large-volume exhaust pipe of gas engine

Technical Field

The utility model relates to a belt feeder technical field especially relates to a big volume blast pipe of gas engine.

Background

The exhaust pipe is arranged between the engine cylinder and the supercharger and is used for collecting exhaust gas discharged by a plurality of cylinders on the engine, so that the supercharger can fully utilize the exhaust energy and supply more air to the engine, and higher performance (such as power, emission and the like) of the engine is realized.

In the prior art, the exhaust pipe of the gas engine still has insufficient effect on suppressing the pressure fluctuation of the exhaust gas, and the exhaust of each cylinder is greatly interfered, so that the exhaust of the engine cylinder is not facilitated, and the efficient and stable operation of the supercharger is also influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy metal pollution soil prosthetic devices to the blast pipe of the gas engine who proposes in solving above-mentioned background art still has not enough to restrain the exhaust gas pressure fluctuation effect, and each cylinder exhaust receives to disturb great, is unfavorable for engine cylinder exhaust promptly, has also influenced the high-efficient problem of stabilizing work of booster.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a big volume blast pipe of gas engine, including a plurality of segmentation blast pipes, this a plurality of segmentation blast pipes are sharp head and the tail fixed connection through the ripple expansion pipe, the segmentation blast pipe at end passes through the end plate and blocks, the segmentation blast pipe of head end passes through ripple expansion pipe and reducer pipe fixed connection, be equipped with a plurality of exhaust manifold groups on every segmentation blast pipe, every exhaust manifold group includes two exhaust manifold, and two exhaust manifold's central line all intersects with the axis of segmentation blast pipe, be fixed with the small flange on two exhaust manifold's the outer terminal surface, contained angle between two small flange's the terminal surface is 60.

Furthermore, the large end face of the reducer pipe is fixedly connected with the segmented exhaust pipe through the corrugated expansion pipe, and the small end face of the reducer pipe is fixedly connected with the large flange.

Furthermore, a fixing clip is fixed on the outer circumference of each segmented exhaust pipe.

Furthermore, the number of the segmented exhaust pipes is three.

Furthermore, two groups of exhaust manifold groups are arranged on each segmented exhaust manifold.

Furthermore, the segmented exhaust pipe is in a thin-wall cylindrical shape, the outer diameter of the segmented exhaust pipe is 200-220 mm, and the wall thickness of the segmented exhaust pipe is 2-3 mm.

Further, the exhaust manifold is a section of elbow.

Furthermore, the fixing clip comprises an arc-shaped plate, and fixing plates with fixing holes are respectively fixed at two ends of the arc-shaped plate.

Has the advantages that: the utility model discloses make the blast pipe internal pressure fluctuation fall to the within range of allowwing, improve the engine performance.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic diagram of the right side view of FIG. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional structure of the present invention;

fig. 5 is a schematic bottom view of the present invention shown in fig. 1;

FIG. 6 is a schematic left side view of the structure of FIG. 5 according to the present invention;

fig. 7 is a schematic top view of the fixing clip of fig. 1 according to the present invention;

fig. 8 is a schematic cross-sectional view of a front view of the fixing clip of fig. 1 according to the present invention.

In the figure: 1. an end plate; 2. a small flange; 3. fixing the card; 4. a corrugated expansion pipe; 5. a segmented exhaust pipe; 6. an exhaust manifold; 7. a large flange; 8. a reducer pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-6, a gas engine large volume exhaust pipe comprises a plurality of segmented exhaust pipes 5, the segmented exhaust pipes 5 are fixedly connected end to end through corrugated expansion pipes 4, the last segmented exhaust pipe 5 is sealed through an end plate 1, the segmented exhaust pipe 5 at the head end is fixedly connected with a reducer pipe 8 through a corrugated expansion pipe 4, each segmented exhaust pipe 5 is provided with a plurality of exhaust manifold groups, each exhaust manifold group comprises two exhaust manifolds 6, the central lines of the two exhaust manifolds 6 are intersected with the axis of the segmented exhaust pipe 5, small flanges 2 are fixed on the outer end faces of the two exhaust manifolds 6, and the included angle between the end faces of the two small flanges 2 is 60 °. The big end face of the reducer pipe 8 is fixedly connected with the segmented exhaust pipe 5 through the corrugated expansion pipe 4, and the small end face of the reducer pipe 8 is fixedly connected with the big flange 7. A fixing clip 3 is fixed to the outer circumference of each segment exhaust pipe 5. The number of the segmented exhaust pipes 5 is three. Two groups of exhaust manifold groups are arranged on each segmented exhaust manifold 6. The segmented exhaust pipe 5 is in a thin-wall cylindrical shape, the outer diameter of the segmented exhaust pipe is 200: mm, and the wall thickness of the segmented exhaust pipe is 2 mm. The exhaust manifold 6 is a segment of a bent pipe.

Referring to fig. 7 to 8, the fixing clip 3 includes an arc-shaped plate, and a fixing plate having a fixing hole is fixed to each end of the arc-shaped plate.

3 segmented

exhaust pipes

5 and 1 reducer pipe 8 are connected through a corrugated expansion pipe 4 to form a coaxial large-volume exhaust main pipe, the tail end of the coaxial large-volume exhaust main pipe is welded and sealed through an end plate 1, the head end of the coaxial large-volume exhaust main pipe is fixedly connected with the large end face of the reducer pipe 8 through the corrugated expansion pipe 4, and the small end face of the reducer pipe 8 is welded with a large flange 7; 12 exhaust manifolds 6 are welded on the wall of the exhaust main pipe, and the outer end of each exhaust manifold 6 is welded with a small flange 2 which is divided into two rows with equal distance; and 3 fixing clips 3 are welded on each segmented exhaust pipe 5 of the exhaust main pipe, so that the installation and the fixation are convenient.

Example 2:

referring to fig. 1-6, a gas engine large volume exhaust pipe comprises a plurality of segmented exhaust pipes 5, the segmented exhaust pipes 5 are fixedly connected end to end through corrugated expansion pipes 4, the last segmented exhaust pipe 5 is sealed through an end plate 1, the segmented exhaust pipe 5 at the head end is fixedly connected with a reducer pipe 8 through a corrugated expansion pipe 4, each segmented exhaust pipe 5 is provided with a plurality of exhaust manifold groups, each exhaust manifold group comprises two exhaust manifolds 6, the central lines of the two exhaust manifolds 6 are intersected with the axis of the segmented exhaust pipe 5, small flanges 2 are fixed on the outer end faces of the two exhaust manifolds 6, and the included angle between the end faces of the two small flanges 2 is 60 °. The big end face of the reducer pipe 8 is fixedly connected with the segmented exhaust pipe 5 through the corrugated expansion pipe 4, and the small end face of the reducer pipe 8 is fixedly connected with the big flange 7. A fixing clip 3 is fixed to the outer circumference of each segment exhaust pipe 5. The number of the segmented exhaust pipes 5 is three. Two groups of exhaust manifold groups are arranged on each segmented exhaust manifold 6. The segmented exhaust pipe 5 is in a thin-wall cylindrical shape, the outer diameter of the segmented exhaust pipe is 220mm, and the wall thickness of the segmented exhaust pipe is 3 mm. The exhaust manifold 6 is a segment of a bent pipe.

3 segmented

exhaust pipes

Example 3:

referring to fig. 1-6, a gas engine large volume exhaust pipe comprises a plurality of segmented exhaust pipes 5, the segmented exhaust pipes 5 are fixedly connected end to end through corrugated expansion pipes 4, the last segmented exhaust pipe 5 is sealed through an end plate 1, the segmented exhaust pipe 5 at the head end is fixedly connected with a reducer pipe 8 through a corrugated expansion pipe 4, each segmented exhaust pipe 5 is provided with a plurality of exhaust manifold groups, each exhaust manifold group comprises two exhaust manifolds 6, the central lines of the two exhaust manifolds 6 are intersected with the axis of the segmented exhaust pipe 5, small flanges 2 are fixed on the outer end faces of the two exhaust manifolds 6, and the included angle between the end faces of the two small flanges 2 is 60 °. The big end face of the reducer pipe 8 is fixedly connected with the segmented exhaust pipe 5 through the corrugated expansion pipe 4, and the small end face of the reducer pipe 8 is fixedly connected with the big flange 7. A fixing clip 3 is fixed to the outer circumference of each segment exhaust pipe 5. The number of the segmented exhaust pipes 5 is three. Two groups of exhaust manifold groups are arranged on each segmented exhaust manifold 6. The segmented exhaust pipe 5 is in a thin-wall cylindrical shape, the outer diameter of the segmented exhaust pipe is 210mm, and the wall thickness of the segmented exhaust pipe is 2.6 mm. The exhaust manifold 6 is a segment of a bent pipe.

3

segmented exhaust pipes

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A large-volume exhaust pipe of a gas engine is characterized in that: including a plurality of segmentation blast pipes (5), this a plurality of segmentation blast pipes (5) are sharp head and the tail fixed connection through corrugated expansion pipe (4), segmentation blast pipe (5) at end are dead through end plate (1) closure, segmentation blast pipe (5) of head end are through corrugated expansion pipe (4) and reducing pipe (8) fixed connection, be equipped with a plurality of exhaust manifold groups on every segmentation blast pipe (5), every exhaust manifold group includes two exhaust manifold (6), and the central line of two exhaust manifold (6) all intersects with the axis of segmentation blast pipe (5), be fixed with small flange (2) on the outer terminal surface of two exhaust manifold (6), the contained angle between the terminal surface of two small flange (2) is 60.

2. The gas engine high volume exhaust duct of claim 1, wherein: the large end face of the reducer pipe (8) is fixedly connected with the segmented exhaust pipe (5) through the corrugated expansion pipe (4), and the small end face of the reducer pipe (8) is fixedly connected with the large flange (7).

3. The gas engine high volume exhaust duct of claim 1, wherein: a fixing clip (3) is fixed on the outer circumference of each segmented exhaust pipe (5).

4. The gas engine high volume exhaust duct of claim 1, wherein: the number of the segmented exhaust pipes (5) is three.

5. The gas engine high volume exhaust duct of claim 1, wherein: two groups of exhaust manifold groups are arranged on each segmented exhaust manifold (6).

6. The gas engine high volume exhaust duct of claim 1, wherein: the segmented exhaust pipe (5) is in a thin-wall cylindrical shape, the outer diameter of the segmented exhaust pipe is 200-220 mm, and the wall thickness of the segmented exhaust pipe is 2-3 mm.

7. The gas engine high volume exhaust duct of claim 1, wherein: the exhaust manifold (6) is a section of elbow.

8. The gas engine high volume exhaust duct of claim 1, wherein: the fixing clip (3) comprises an arc-shaped plate, and fixing plates with fixing holes are respectively fixed at two ends of the arc-shaped plate.