Turntable door for wind tunnel test and hanging disc structure of turntable door

Abstract

The utility model discloses a turntable door for a wind tunnel test and a hanging disc structure thereof, comprising a turntable door lower wall plate, the upper end of the turntable door lower wall plate is fixedly connected with a turntable door side plate, the upper end of the turntable door side plate is fixedly connected with a turntable door upper wall plate, the upper end of the turntable door lower wall plate is fixedly connected with a model mounting hole pipe, and the model mounting hole pipe is fixedly connected with the turntable door lower wall plate. A first reinforcing plate and a second reinforcing plate are jointly and fixedly connected between the adjacent faces of the rotating disc door upper wall plate and the rotating disc door lower wall plate, a first bearing and hanging supporting column and a second bearing and hanging supporting column are fixedly connected to the upper end of the rotating disc door lower wall plate, and a bearing and hanging supporting column reinforcing plate is fixedly connected to the upper end of the first bearing and hanging supporting column. And the outer side of the hanging supporting column reinforcing plate is fixedly connected with a hanging supporting column connecting plate. The lifting rod is changed into the lifting disc, so that the lifting disc can work at any position, and the assembly efficiency of the turntable door is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind tunnel tests, in particular to a turntable door for wind tunnel tests and a supporting disc structure thereof. Background Art

[0002] The airfoil model of the wind tunnel is a commonly used device in scientific research and production, especially in the fields of aerospace design. The airfoil model is installed on the turntable door of the wind tunnel test section. The installation accuracy in the wind tunnel directly affects the accuracy of the test data, and the installation speed of the model significantly affects the efficiency of the experiment.

[0003] After searching, the Chinese utility patent with the announcement number CN220542394U discloses a turntable door for wind tunnel test, including a turntable door body, a translation mechanism, a lifting mechanism, a hoisting mechanism, a hanging bracket and a turntable door driving mechanism, wherein the turntable door driving mechanism is connected to the side of the turntable door body, two hanging brackets are connected to the end face of the turntable door body, the hanging bracket is connected to the hoisting mechanism, the hoisting mechanism is connected to the lifting mechanism, and the lifting mechanism is connected to the translation mechanism. The technical solution has the advantages of simpler structure, storable lifting mechanism, small size and light weight, simple, compact and flexible, can realize automatic opening and closing, and more convenient and quick disassembly and maintenance;

[0004] However, when the supporting bracket in the above utility model is actually used, the supporting rod and the supporting pillar are fixed on the turntable door. This means that the supporting rod must be fixed at a specific position, which leads to high precision requirements during assembly and affects the work efficiency during assembly of the turntable door. Therefore, it is necessary to design a turntable door for wind tunnel testing and its supporting disc structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a turntable door for wind tunnel testing and a supporting disc structure thereof. By changing the supporting rod into a supporting disc, the supporting disc can work in any position, thereby greatly improving the assembly efficiency of the turntable door.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A turntable door for wind tunnel testing comprises a turntable door lower wall panel, the upper end of the turntable door lower wall panel is fixedly connected to the turntable door side panel, the upper end of the turntable door side panel is fixedly connected to the turntable door upper wall panel, the upper end of the turntable door lower wall panel is fixedly connected to the model mounting hole tube, a first reinforcing plate and a second reinforcing plate are commonly fixedly connected between adjacent surfaces of the turntable door upper wall panel and the turntable door lower wall panel, the upper end of the turntable door lower wall panel is fixedly connected to a first supporting pillar and a second supporting pillar, the upper end of the turntable door lower wall panel is fixedly connected to a supporting pillar reinforcement plate, the outer side of the supporting pillar reinforcement plate is fixedly connected to a supporting pillar connecting plate, the outer side of the supporting pillar connecting plate is fixedly connected to a supporting ring, the upper end of the second supporting pillar is fixedly connected to the lower end of the supporting ring, and reinforcing ribs are provided on both the upper and lower sides of the supporting ring.

[0008] Preferably, the lower wall plate and the upper wall plate of the turntable door are both made of 20 mm steel plates, and the side plates of the turntable door are made of 15 mm steel plates.

[0009] Preferably, the steel plates are all 45# steel.

[0010] Preferably, the distance between adjacent sides of the lower wall plate of the turntable door and the upper wall plate of the turntable door is 288 mm.

[0011] Preferably, the distance between the first reinforcing plate and the center line of the lower wall plate of the turntable door is 550 mm, and the distance between the second reinforcing plate and the center line of the lower wall plate of the turntable door is 280 mm.

[0012] Preferably, the distance between the first supporting pillar and the center line of the lower wall plate of the turntable door is 800 mm, and the distance between the second supporting pillar and the center line of the lower wall plate of the turntable door is 950 mm.

[0013] A hanging disc structure for wind tunnel test is composed of any one of the above-mentioned turntable doors for wind tunnel test.

[0014] Compared with the existing technology, the advantages of this device are:

[0015] By changing the supporting rod to a supporting disc, the supporting disc can work normally in any position during use, thereby improving the working efficiency of the turntable door. In addition, during the assembly of the turntable door, there is no need for precise positioning and installation, which greatly improves the assembly efficiency of the turntable door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a turntable door for wind tunnel testing and its supporting disc structure proposed by the utility model;

[0017] Figure 2 for Figure 1 Top view of the .

[0018] In the figure: 1 model mounting hole tube, 2 turntable door lower wall plate, 3 turntable door side plate, 4 turntable door upper wall plate, 5 first reinforcement plate, 6 second reinforcement plate, 7 first supporting pillar, 8 second supporting pillar, 9 supporting pillar reinforcement plate, 10 supporting pillar connecting plate, 11 supporting ring, 12 ring reinforcement rib. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-Figure 2 A turntable door for wind tunnel test comprises a turntable door lower wall panel 2, the upper end of the turntable door lower wall panel 2 is fixedly connected with a turntable door side panel 3, the upper end of the turntable door side panel 3 is fixedly connected with a turntable door upper wall panel 4, the upper end of the turntable door lower wall panel 2 is fixedly connected with a model mounting hole tube 1, a first reinforcing plate 5 and a second reinforcing plate 6 are fixedly connected between the adjacent surfaces of the turntable door upper wall panel 4 and the turntable door lower wall panel 2, the upper end of the turntable door lower wall panel 2 is fixedly connected with a first supporting pillar 7 and a second supporting pillar 8, the upper end of the first supporting pillar 7 is fixedly connected with a supporting pillar reinforcing plate 9, the outer side of the supporting pillar reinforcing plate 9 is fixedly connected with a supporting pillar connecting plate 10, the outer side of the supporting pillar connecting plate 10 is fixedly connected with a supporting ring 11, the upper end of the second supporting pillar 8 is fixedly connected to the lower end of the supporting ring 11, and the upper and lower sides of the supporting ring 11 are provided with circular reinforcing ribs 12.

[0021] Among them, the turntable door is a hollow drum type, the lower wall panel 2 of the turntable door and the upper wall panel 4 of the turntable door are both made of 20 mm steel plates, the side panels 3 of the turntable door are made of 15 mm steel plates, and the steel plates are all 45# steel. The distance between the adjacent sides of the lower wall panel 2 of the turntable door and the upper wall panel 4 of the turntable door is 288 mm, the distance between the first reinforcing plate 5 and the center line of the lower wall panel 2 of the turntable door is 550 mm, the distance between the second reinforcing plate 6 and the center line of the lower wall panel 2 of the turntable door is 280 mm, the distance between the first supporting pillar 7 and the center line of the lower wall panel 2 of the turntable door is 800 mm, the distance between the second supporting pillar 8 and the center line of the lower wall panel 2 of the turntable door is 950 mm, the side surface of the turntable door side panel 3 is conical, and the inner wall of the positioning steel sleeve in the prior art is also set to a cone shape, so that the turntable door and the positioning steel sleeve can be easily opened and separated, the outer diameter of the supporting disc is slightly larger than the outer diameter of the turntable door, and the edge thickness of the supporting disc is matched with the opening of the telescopic rod of the hoisting mechanism of the prior art.

[0022] A hanging disc structure for wind tunnel test is composed of any one of the above-mentioned turntable doors for wind tunnel test.

[0023] The functional principle of the utility model can be explained through the following operation mode: during production, the lower wall plate 2 of the turntable door, the side plates 3 of the turntable door, the upper wall plate 4 of the turntable door, the first reinforcement plate 5, the second reinforcement plate 6, the first supporting pillar 7, the second supporting pillar 8, the supporting pillar reinforcement plate 9, the supporting pillar connecting plate 10, the supporting ring 11 and the like are welded together in sequence to form the supporting disc structure of the turntable door. Since the inner walls of the turntable door side plates 3 and the existing positioning steel sleeves are both conical, the turntable door and the positioning steel sleeve can be easily opened and closed.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A turntable door for wind tunnel testing, comprising a turntable door lower wall plate (2), characterized in that: The upper end of the lower wall plate (2) of the turntable door is fixedly connected to the side plate (3) of the turntable door, the upper end of the side plate (3) of the turntable door is fixedly connected to the upper wall plate (4) of the turntable door, the upper end of the lower wall plate (2) of the turntable door is fixedly connected to the model installation hole tube (1), the upper wall plate (4) of the turntable door and the adjacent surface of the lower wall plate (2) of the turntable door are commonly fixedly connected to a first reinforcing plate (5) and a second reinforcing plate (6), the upper end of the lower wall plate (2) of the turntable door is fixedly connected to a first supporting support ( 7) and a second supporting pillar (8), the upper end of the first supporting pillar (7) is fixedly connected with a supporting pillar reinforcement plate (9), the outer side of the supporting pillar reinforcement plate (9) is fixedly connected with a supporting pillar connecting plate (10), the outer side of the supporting pillar connecting plate (10) is fixedly connected with a supporting ring (11), the upper end of the second supporting pillar (8) is fixedly connected with the lower end of the supporting ring (11), and the upper and lower sides of the supporting ring (11) are provided with circular reinforcement ribs (12).

2. The turntable door for wind tunnel testing according to claim 1, characterized in that: The lower wall plate (2) and the upper wall plate (4) of the turntable door are both made of 20 mm steel plates, and the side plates (3) of the turntable door are made of 15 mm steel plates.

3. The turntable door for wind tunnel testing according to claim 2, characterized in that: The steel plates are all 45# steel.

4. The turntable door for wind tunnel testing according to claim 1, characterized in that: The distance between the adjacent sides of the lower wall plate (2) of the turntable door and the upper wall plate (4) of the turntable door is 288 millimeters.

5. The turntable door for wind tunnel testing according to claim 1, characterized in that: The distance between the first reinforcing plate (5) and the center line of the lower wall plate (2) of the turntable door is 550 millimeters, and the distance between the second reinforcing plate (6) and the center line of the lower wall plate (2) of the turntable door is 280 millimeters.

6. The turntable door for wind tunnel testing according to claim 1, characterized in that: The distance between the first supporting pillar (7) and the center line of the lower wall plate (2) of the turntable door is 800 millimeters, and the distance between the second supporting pillar (8) and the center line of the lower wall plate (2) of the turntable door is 950 millimeters.

7. A hanging disc structure for wind tunnel test, characterized in that: The invention is composed of a turntable door for wind tunnel testing as described in any one of claims 1 to 6.

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