Air knife for environment simulation

Abstract

The utility model belongs to the technical field of railway vehicle experimental equipment, and particularly relates to an air knife for environment simulation, which comprises a body internally provided with a flow equalizing cavity, a narrowed air outlet is arranged on the front side of the body, an air inlet is arranged on the rear side of the body, and a feed port is arranged above the flow equalizing cavity. According to the utility model, the feed port is arranged above the flow equalizing cavity, and water or sand entering from the feed port is discharged from the air outlet under the action of wind power and is in contact with a track wheel, so that the requirement of a track wheel environment simulation experiment is met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the track vehicle experimental equipment technical field, concretely relates to an environment simulation air knife. BACKGROUND

[0002] The air knife is often used for blowing and water removing, blowing and dust removing in the industrial field, and the company needs to blow water or sand to the surface of the track wheel through the wind in order to simulate the influence of the rainy day and the windy sand day on the track wheel, the existing air knife cannot satisfy the application in this aspect, and the air inlet and the air outlet of the air knife in the prior art are often not in the same direction, and the air inlet is generally in the side, and the air outlet is in the front, the air coming from the side collides with the side wall first and then returns back, leading to the phenomenon that the air force of the air outlet is uneven. UTILITY MODEL CONTENTS

[0003] The utility model provides an environment simulation air knife for above-mentioned problem.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] An environment simulation air knife, including the body that is internally provided with the flow uniforming chamber, the narrowed air outlet is arranged at the front side of the body, the air inlet is arranged at the rear side of the body, and the feeding port is arranged above the flow uniforming chamber.

[0006] Further, a plurality of flow uniforming plates are arranged in the flow uniforming chamber, the clearance between the flow uniforming plates constitutes the material falling part, the material falling part is located at the middle part of the flow uniforming chamber, and the feeding port is located above the material falling part.

[0007] Still further, the flow uniforming plate includes the first plate arranged at the air inlet and the fifth plate arranged at the air outlet, the second plate, the third plate and the fourth plate are arranged between the first plate and the fifth plate, and the material falling part is located in the arrangement region of the second plate, the third plate and the fourth plate.

[0008] Still further, the first plate, the second plate, the third plate, the fourth plate and the fifth plate are symmetrically arranged.

[0009] Still further, the cross section of the flow uniforming chamber gradually increases from the first plate to the fifth plate.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] The utility model sets the feeding port above the flow uniforming chamber, the water or sand entering from the feeding port is discharged from the air outlet under the action of the wind force and contacts the track wheel, and the requirement of the track wheel environment simulation experiment is satisfied.

[0012] The air inlet and the air outlet are in one direction, and the uniform flow plate can effectively improve the uniformity of the air outlet. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view of the utility model;

[0014] Figure 2 It is a sectional view of the utility model;

[0015] In the figure, the uniform flow cavity 1, the body 2, the air outlet 3, the air inlet 4, the feeding port 5, the blanking portion 6, the first-stage plate 7, the second-stage plate 8, the third-stage plate 9, the fifth-stage plate 10, and the fourth-stage plate 11. DETAILED DESCRIPTION

[0016] In order to further illustrate the technical scheme of the utility model, the utility model will be further described through examples below.

[0017] As shown in Figure 1 and Figure 2 A wind knife for environmental simulation includes a body 2 with a uniform flow cavity 1 inside, a narrowed air outlet 3 arranged on the front side of the body 2, an air inlet 4 arranged on the rear side of the body 2, a feeding port 5 arranged above the uniform flow cavity 1, a plurality of uniform flow plates arranged in the uniform flow cavity 1, a blanking portion 6 formed by leaving a gap between the uniform flow plates, the blanking portion 6 being located in the middle of the uniform flow cavity 1, the feeding port 5 being located above the blanking portion 6, the uniform flow plates including a first-stage plate 7 arranged at the air inlet 4 and a fifth-stage plate 10 arranged at the air outlet 3, a second-stage plate 8, a third-stage plate 9, and a fourth-stage plate 11 being arranged between the first-stage plate 7 and the fifth-stage plate 10, the blanking portion 6 being located in the arrangement area of the second-stage plate 8, the third-stage plate 9, and the fourth-stage plate 11, the first-stage plate 7, the second-stage plate 8, the third-stage plate 9, the fourth-stage plate 11, and the fifth-stage plate 10 being arranged in left-right symmetry, and the cross section of the uniform flow cavity 1 gradually increasing from the first-stage plate 7 to the fifth-stage plate 10.

[0018] The main features and advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0019] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. An air knife for environmental simulation, characterized by: The body (2) is internally provided with a flow equalizing cavity (1), a narrowed air outlet (3) is arranged on the front side of the body (2), an air inlet (4) is arranged on the rear side of the body (2), and a feeding port (5) is arranged above the flow equalizing cavity (1).

2. The air knife for environmental simulation according to claim 1, characterized in that: A plurality of flow equalizing plates are arranged in the flow equalizing cavity (1), and gaps between the flow equalizing plates form a material falling part (6), the material falling part (6) is located in the middle of the flow equalizing cavity (1), and the feeding port (5) is located above the material falling part (6).

3. An environmental simulation air knife according to claim 2, wherein: The flow equalizing plates include a first-stage plate (7) arranged at the air inlet (4) and a fifth-stage plate (10) arranged at the air outlet (3), a second-stage plate (8), a third-stage plate (9) and a fourth-stage plate (11) are arranged between the first-stage plate (7) and the fifth-stage plate (10), and the material falling part (6) is located in the arrangement region of the second-stage plate (8), the third-stage plate (9) and the fourth-stage plate (11).

4. An environmental simulation air knife according to claim 3, wherein: The first-stage plate (7), the second-stage plate (8), the third-stage plate (9), the fourth-stage plate (11) and the fifth-stage plate (10) are symmetrically arranged left and right.

5. An environmental simulation air knife according to claim 4, wherein: The cross section of the flow equalizing cavity (1) gradually increases from the first-stage plate (7) to the fifth-stage plate (10).

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