CN211343175U

CN211343175U - Engine air intake system with sand prevention function

Info

Publication number: CN211343175U
Application number: CN201921662430.4U
Authority: CN
Inventors: 苏洪宇
Original assignee: Tianjin Tianlu Jiahang Technology Co ltd
Current assignee: Tianjin Tianlu Jiahang Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-25
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses an engine air intake system with sand control function, the problem of solution is that the engine air intake system of the existing vehicle is bulky, the engine inlet pressure loss is big, the maintenance cycle is short, the utility model discloses an engine, it includes intake pipe and tail gas discharge pipe to link to each other with the engine, link to each other with the intake pipe and be equipped with the carriage, the carriage lower part be equipped with the bottom plate, be equipped with the flange on the bottom plate, the intake pipe is linked together through the inner chamber of flange and carriage; an upper partition plate and a lower partition plate are arranged at the upper part of the supporting frame, a vortex tube is arranged between the upper partition plate and the lower partition plate, and a row of sand chambers are formed between the upper partition plate and the lower partition plate; and a sand discharge flange is communicated with the sand discharge cavity and communicated with the tail gas discharge pipe through a sand discharge pipe. The utility model is used for the vehicle, when the vehicle traveles in the sand and dust environment, the sand and dust in the separation air, clean air supply vehicle engine. The sand discharge is carried out through the exhaust process of the automobile exhaust, the structure is simple and reliable, and the failure rate is low.

Description

Engine air intake system with sand prevention function

Technical Field

The utility model relates to an engine field, concretely relates to engine air intake system with sand control function.

Background

The engine air inlet system of the existing vehicle mainly utilizes an engine air inlet system and a filter element type engine air inlet system which use an inertia separation principle. The engine air inlet system utilizing the inertia separation principle has the problems of large volume, heavy structure, large pressure loss of engine air inlet, low sand-dust separation efficiency and the like. The filter element of the filter element type engine air inlet system is basically made of paper materials and is inflammable, and the problems of large volume and large engine air inlet pressure loss are still not solved although the structural weight is relatively light. Meanwhile, the maintenance periods of the two engine air inlet systems are short, and the vehicle attendance rate is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be that the engine air intake system of current vehicle is bulky, the engine admission pressure loss is big, and maintenance cycle is short, provides a small, light in weight's engine air intake system with sand control function.

In order to solve the technical problem, the utility model adopts the following technical scheme: an engine air inlet system with a sand prevention function comprises an engine, wherein an air inlet pipe and a tail gas discharge pipe are connected with the engine, a support frame is connected with the air inlet pipe, a bottom plate is arranged at the lower part of the support frame, a flange is arranged on the bottom plate, and the air inlet pipe is communicated with an inner cavity of the support frame through the flange; an upper partition plate and a lower partition plate are arranged at the upper part of the supporting frame, a vortex tube is arranged between the upper partition plate and the lower partition plate, and a row of sand chambers are formed between the upper partition plate and the lower partition plate; and a sand discharge flange is communicated with the sand discharge cavity and communicated with the tail gas discharge pipe through a sand discharge pipe.

The vortex tube comprises an upper vortex tube and a lower vortex tube, a spiral blade is arranged in the upper vortex tube, the upper vortex tube is connected with the upper partition plate, the lower vortex tube is connected with the lower partition plate, and the central line of the upper vortex tube and the central line of the lower vortex tube are on the same central axis; the outer diameter of the lower pipe of the vortex pipe is smaller than the inner diameter of the upper pipe of the vortex pipe.

The lower pipe of the vortex pipe is in a bell mouth shape.

An air inlet cover is arranged above the upper clapboard.

The utility model is used for the vehicle, when the vehicle traveles in the sand and dust environment, the air passes through the vortex pipe, utilizes the inertial separation principle, separates the sand and dust in the air, clean air supply vehicle engine. The sand discharge is carried out through the exhaust process of the automobile exhaust, the pressure difference generated when the automobile exhaust is fully utilized as power, and the whole engine air inlet system has no moving device, is simple and reliable in structure and low in failure rate, and is suitable for sand discharge when the automobile air inlet system runs in an environment with less sand dust. The utility model discloses successfully solved the vehicle when adverse circumstances traveles, impurity such as sand and dust has very strong use value to the problem of the wearing and tearing of engine.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the support frame of the present invention;

FIG. 3 is a schematic view of the longitudinal cross-sectional structure of the supporting frame of the present invention;

FIG. 4 is a schematic structural view of the scroll tube of the present invention;

FIG. 5 is a schematic view of the structure of the vortex tube for desanding.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1 to 5, an engine air intake system with a sand prevention function comprises an engine 9, an air intake pipe 7 and a tail gas discharge pipe 6 connected with the engine, a support frame 1 connected with the air intake pipe 7, a bottom plate 11 arranged at the lower part of the support frame 1, a flange 12 arranged on the bottom plate 11, and an air intake pipe 7 communicated with the inner cavity of the support frame 1 through the flange 12; an upper partition plate 2 and a lower partition plate 3 are arranged at the upper part of the support frame 1, a vortex tube 22 is arranged between the upper partition plate 2 and the lower partition plate 3, and a row of sand chambers 31 are formed between the upper partition plate 2 and the lower partition plate 3; the sand discharge flange 4 is communicated with the sand discharge cavity 31, and the sand discharge flange 4 is communicated with the tail gas discharge pipe 6 through a sand discharge pipe 41. The utility model discloses go up baffle, lower baffle, carriage, air inlet cover and sand discharge pipe's material and be Q235 carbon structural steel.

The utility model discloses a vehicle is when the sand and dust environment goes, and the very high air of sand and dust concentration enters into multi-functional air intake system through last baffle 2, goes up baffle 2, lower baffle 3 and carriage 1 and forms the row's sand chamber. The sand and dust in the air are separated to the sand discharging cavity under the action of centrifugal force. One end of the sand discharge pipe 41 is communicated with the sand discharge cavity, the other end of the sand discharge pipe 41 is communicated with the tail gas discharge pipe 6, when the vehicle runs, the engine discharges tail gas through the tail gas discharge pipe 6, when the tail gas discharge pipe 6 discharges tail gas, the tail gas forms an air flow, the air flow forms strong suction to sand in the sand discharge pipe 41, and the sand dust is taken away and discharged through the suction of the tail gas. Clean air enters a cavity formed by the lower partition plate 3, the support frame 1 and the bottom plate 11, and an air inlet pipe 7 of the engine is connected with the cavity through a flange 12, so that clean air is supplied to the engine.

The vortex tube 22 comprises a vortex tube upper tube 221 and a vortex tube lower tube 222, a spiral blade 223 is arranged in the vortex tube upper tube 221, the vortex tube upper tube 221 is connected with the upper partition plate 2, the vortex tube lower tube 222 is connected with the lower partition plate 3, and the central line of the vortex tube upper tube 221 and the central line of the vortex tube lower tube 222 are on the same central axis; the outer diameter of the lower vortex tube 222 is smaller than the inner diameter of the upper vortex tube 221. The upper vortex tube pipe and the lower vortex tube pipe are made of thermoplastic polypropylene materials, the upper vortex tube pipe and the lower vortex tube pipe are solid-dissolved on the upper partition plate and the lower partition plate through heating, and the lower partition plate, the upper partition plate and the air inlet cover are riveted on the shell. When the utility model is used, after the outside air enters the vortex tube 22, in the vortex tube 22, under the action of the suction force of the engine, the fixed helical blade 223 gives a radial velocity and a tangential velocity to the sand-containing gas to generate vortex, so that most of sand dust is thrown to the tube wall of the upper tube 221 of the vortex tube by the action of inertial centrifugal force and is discharged into a sand discharge cavity between the upper partition plate 2 and the lower partition plate 3 through an annular channel between the inner wall of the upper tube 221 of the vortex tube and the outer wall of the lower tube 222 of the vortex tube; the sand particles arriving between the upper partition plate 2 and the lower partition plate 3 are discharged through the sand discharge pipe under the action of the sand discharge fan.

The vortex tube lower tube 222 is in the shape of a bell mouth.

An air inlet cover 8 is arranged above the upper clapboard 2. The installation is admitted air and is covered, when going in the rainy day, can effectively avoid a large amount of rainwater to get into the casing.

Claims

1. The utility model provides an engine air intake system with sand control function which characterized in that: the exhaust system comprises an engine (9), an air inlet pipe (7) and a tail gas discharge pipe (6) are connected with the engine, a support frame (1) is connected with the air inlet pipe (7), a bottom plate (11) is arranged on the lower portion of the support frame (1), a flange (12) is arranged on the bottom plate (11), and the air inlet pipe (7) is communicated with an inner cavity of the support frame (1) through the flange (12); an upper partition plate (2) and a lower partition plate (3) are arranged at the upper part of the support frame (1), a vortex tube (22) is arranged between the upper partition plate (2) and the lower partition plate (3), and a row of sand cavities (31) are formed between the upper partition plate (2) and the lower partition plate (3); the sand discharge flange (4) is communicated with the sand discharge cavity (31), and the sand discharge flange (4) is communicated with the tail gas discharge pipe (6) through a sand discharge pipe (41).

2. The engine air intake system with sand control function according to claim 1, characterized in that: the vortex tube (22) comprises a vortex tube upper tube (221) and a vortex tube lower tube (222), a spiral blade (223) is arranged in the vortex tube upper tube (221), the vortex tube upper tube (221) is connected with the upper partition plate (2), the vortex tube lower tube (222) is connected with the lower partition plate (3), and the central line of the vortex tube upper tube (221) and the central line of the vortex tube lower tube (222) are on the same central axis; the outer diameter of the lower pipe (222) of the vortex pipe is smaller than the inner diameter of the upper pipe (221) of the vortex pipe.

3. The engine air intake system with sand control function according to claim 2, characterized in that: the lower pipe (222) of the vortex pipe is in a bell mouth shape.

4. The engine air intake system with sand control function according to claim 1, characterized in that: an air inlet cover (8) is arranged above the upper clapboard (2).