An aero-bend pipe sealing test device and method

Abstract

The application discloses an aviation elbow pipe sealing test device and method. One side of a base (1) is hinged to a bending part of a bending connecting rod (2), a vertical rod end part of the bending connecting rod (2) is provided with a pressing assembly (3), a horizontal rod end part of the bending connecting rod (2) is hinged to a bottom end of a connecting plate (4); a vertical plate (5) is arranged on one side of the base (1) close to the connecting plate (4); a top end of the connecting plate (4) is hinged to one end of a rotating plate (6), the other end of the rotating plate (6) is hinged to the vertical plate (5); a sealing assembly A (7) capable of translating along a normal direction of the vertical plate (5) is arranged on the vertical plate (5); the base (1) is further provided with a sealing assembly B (17), the sealing assembly B (17) is communicated with an air nozzle (8); a jacking rod (9) is further threadedly connected to the connecting plate (4), and a head end of the jacking rod (9) abuts against the sealing assembly A (7). The application has the characteristics of high installation efficiency, reliable sealing and convenient dismounting.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of airtightness test of aviation parts, and particularly relates to an aviation elbow sealing test device and method. BACKGROUND

[0002] The mechanical aviation system structure contains many cast parts. The cast parts need to be tested for airtightness to check whether there are casting defects. Since the cast parts are 90-degree elbow parts, the space avoidance problem needs to be considered when designing the airtightness test tool.

[0003] According to the traditional design method, a pressing device needs to be arranged at the back bend of the part. Due to the space position requirement of the part, the pressing device needs to be arranged high and far away to ensure the installation requirement of the part, so that the installation time of the part is prolonged and the clamping is inconvenient. SUMMARY

[0004] The present application aims to provide an aviation elbow sealing test device and method. The present application has the characteristics of high installation efficiency, reliable sealing, and convenient disassembly.

[0005] The technical scheme of the present application is: an aviation elbow sealing test device, comprising a base, one side of the base is hinged to the bending part of a bending connecting rod, the vertical rod end part of the bending connecting rod is provided with a pressing assembly, the horizontal rod end part of the bending connecting rod is hinged to the bottom end of a connecting plate; a vertical plate is arranged on the side close to the connecting plate of the base; the top end of the connecting plate is hinged to one end of a rotating plate, and the other end of the rotating plate is hinged to the vertical plate; a sealing assembly A capable of translating along the normal direction of the vertical plate is arranged on the vertical plate; the base is further provided with a sealing assembly B, which is communicated with an air nozzle; a top rod is threadedly connected to the connecting plate, and the head end of the top rod abuts against the sealing assembly A.

[0006] In the aforementioned aviation elbow sealing test device, the pressing assembly comprises an adjusting rod, the adjusting rod is threadedly connected to the vertical rod end part of the bending connecting rod, and the head end of the adjusting rod is provided with a pressing cover.

[0007] In the aforementioned aviation elbow sealing test device, the rotating plate is provided with a handle at the position hinged to the vertical plate.

[0008] In the aforementioned aviation elbow sealing test device, an elastic assembly is arranged between the sealing assembly A and the vertical plate; a limiting plate for limiting the sealing assembly A is arranged on the vertical plate.

[0009] In the aforementioned aviation elbow sealing test device, a locking groove is arranged on the connecting plate, a T-shaped locking rod is arranged in the locking groove, and the end part of the T-shaped locking rod is threadedly connected to the vertical plate; in the locked state, the locking head of the T-shaped locking rod is perpendicular to the locking groove, and in the released state, the locking head of the T-shaped locking rod is parallel to the locking groove.

[0010] The test method of the aero-bend pipe sealing test device is as follows: one end of the test bend pipe is sealed by using the sealing assembly A, and the other end is sealed by using the sealing assembly B; the head end of the top rod is abutted against the sealing assembly A by pulling the rotating plate to drive the connecting plate, and the pressing assembly is pressed on the outside of the bend of the test bend pipe by driving the bend connecting rod to move; after clamping is completed, the test bend pipe is inflated by the air nozzle through the sealing assembly B to perform the sealing test.

[0011] In the test method of the aero-bend pipe sealing test device, after clamping is completed, the vertical plate and the connecting plate are locked by using the T-shaped locking rod.

[0012] In the test method of the aero-bend pipe sealing test device, after the test is completed, the head of the T-shaped locking rod is parallel to the locking groove, the top rod is separated from the sealing assembly A by pulling the rotating plate, the sealing assembly A is withdrawn from the end of the test bend pipe until it is limited by the limiting plate, and at the same time, the pressing assembly is also separated from the test bend pipe, so that the test bend pipe can be taken out.

[0013] The advantage of the present application is that when the device needs to be loosened, the T-shaped locking rod is twisted to make the head of the T-shaped locking rod parallel to the locking groove arranged on the connecting plate, then the handle is twisted to rotate the rotating plate by a certain angle, the connecting plate moves, the bend connecting rod and the top rod move away from the test bend pipe, and the sealing assembly A also separates from the test bend pipe under the action of the elastic assembly; at the same time, the pressing assembly also moves away from the test bend pipe under the action of the bend connecting rod, so that the product is easy to disassemble.

[0014] When the product needs to be pressed, the handle is only rotated, and the rotating plate, the connecting plate, the bend connecting rod and the top rod can realize quick linkage, and then quick pressing is realized.

[0015] When the product is in the pressed state, the T-shaped locking rod is twisted by 90 degrees to lock the tooling state of the device.

[0016] The adjusting rod is twisted to realize the fine adjustment of the test pump in the pressed state.

[0017] When the top screw is adjusted, the gasket can realize the fine adjustment of the pressing force on the test bend pipe.

[0018] The present application has the advantages of compact structure, high clamping efficiency, and the traditional clamping needs 10 minutes to complete clamping, while the present application needs only 2 minutes. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The figure is a structural schematic diagram of the present application;

[0020] Figure 2 The figure is a disassembly schematic diagram of the present application;

[0021] Figure 3 The figure is a Figure 1 Right view. DETAILED DESCRIPTION

[0022] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall into the scope of the present application.

[0023] The features and illustrative embodiments of various aspects of the present application will be described below in detail. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without some of these specific details. The description of the embodiments is merely to provide a better understanding of the present application by showing examples of the present application. The present application is in no way limited to any particular set of the specific settings and methods set forth below, but covers any improvements, replacements and modifications of the structure, method and device without departing from the spirit of the present application. In the accompanying drawings and the following description, the well-known structures and techniques are not shown to avoid unnecessary obscuring of the present application.

[0024] It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict, and each embodiment can be mutually referred to and quoted. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] Embodiment 1. An aviation pipe bending sealing test device, referring to Figures 1-3 , comprising a base 1, one side of the base 1 is hinged to a bending part of a bending connecting rod 2, a vertical rod end part of the bending connecting rod 2 is provided with a pressing assembly 3, a horizontal rod end part of the bending connecting rod 2 is hinged to a bottom end of a connecting plate 4; a vertical plate 5 is arranged on a side of the base 1 close to the connecting plate 4; a top end of the connecting plate 4 is hinged to one end of a rotating plate 6, and the other end of the rotating plate 6 is hinged to the vertical plate 5; the vertical plate 5 is provided with a sealing assembly A 7 which can translate normally along the vertical plate 5; the base 1 is further provided with a sealing assembly B 17 which is communicated with an air nozzle 8; the connecting plate 4 is further threadedly connected with a jacking rod 9, and a head end of the jacking rod 9 abuts against the sealing assembly A 7.

[0026] The aforementioned pressing assembly 3 comprises an adjusting rod 3.1 which is threadedly connected with the vertical rod end part of the bending connecting rod 2, and the adjusting rod 3.1 is provided with a gland 3.2 at a head end thereof.

[0027] The aforementioned rotating plate 6 is provided with a handle 10 at a position hinged to the vertical plate 5.

[0028] The aforementioned sealing assembly A7 is provided with an elastic assembly 11 between the sealing assembly A7 and the vertical plate 5; the vertical plate 5 is provided with a limiting plate 12 for limiting the sealing assembly A7.

[0029] The aforementioned connecting plate 4 is provided with a locking groove 13, the locking groove 13 is provided with a T-shaped locking rod 14, the end of the T-shaped locking rod 14 is threadedly connected with the vertical plate 5; in the locking state, the locking head 15 of the T-shaped locking rod 14 is perpendicular to the locking groove 13, in the releasing state, the locking head 15 of the T-shaped locking rod 14 is parallel to the locking groove 13.

[0030] The aforementioned test method of the aviation elbow sealing test device is as follows: one end of the test elbow 16 is sealed by using the sealing assembly A7, the other end is sealed by using the sealing assembly B17; the connecting plate 4 is driven by the turning plate 6 to make the head end of the top rod 9 abut against the sealing assembly A7, at the same time, the connecting plate 4 drives the bending connecting rod 2 to move to make the pressing assembly 3 press on the outside of the bending part of the test elbow 16; after the clamping is completed, the test elbow 16 is inflated by the air nozzle 8 through the sealing assembly B17 to carry out the sealing test.

[0031] After the clamping is completed, the T-shaped locking rod 14 is used to lock the vertical plate 5 and the connecting plate 4.

[0032] After the test is completed, the locking head of the T-shaped locking rod 14 is rotated to be parallel to the locking groove 13, the top rod 9 is driven by the turning plate 6 to be separated from the sealing assembly A7, the sealing assembly A7 is separated from the end of the test elbow 16 until the limiting plate 12 is limited to abut against, at the same time, the pressing assembly 3 is also separated from the test elbow 16, at this time, the test elbow 16 can be taken out.

[0033] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, these modifications or replacements should be covered in the protection scope of the present application.

Claims

1. An aviation elbow sealing test device, characterized in that: The invention comprises a base (1), one side of the base (1) is hinged to the bending part of the bending connecting rod (2), the vertical rod end of the bending connecting rod (2) is provided with a pressing assembly (3), and the transverse rod end of the bending connecting rod (2) is hinged to the bottom end of the connecting plate (4); a vertical plate (5) is provided on the side of the base (1) close to the connecting plate (4); the top end of the connecting plate (4) is hinged to one end of the rotating plate (6), and the other end of the rotating plate (6) is hinged to the vertical plate (5); a sealing assembly A (7) capable of translationally moving along the normal direction of the vertical plate (5) is provided on the vertical plate (5); the base (1) is also provided with a sealing assembly B (17), and the sealing assembly B (17) is connected to the air nozzle (8); a push rod (9) is also threadedly connected to the connecting plate (4), and the head end of the push rod (9) abuts against the sealing assembly A (7).

2. The aviation elbow sealing test device according to claim 1, characterized in that: The pressing assembly (3) comprises an adjusting rod (3.1), the adjusting rod (3.1) is threadedly connected to the vertical rod end of the bent connecting rod (2), and a pressure cover (3.2) is provided at the head end of the adjusting rod (3.1).

3. The aviation elbow sealing test device according to claim 1, characterized in that: The rotating plate (6) is provided with a handle (10) at a position where it is hinged to the vertical plate (5).

4. The aviation elbow sealing test device according to claim 1, characterized in that: An elastic component (11) is provided between the sealing component A (7) and the vertical plate (5); and a limiting plate (12) for limiting the sealing component A (7) is provided on the vertical plate (5).

5. The aviation elbow sealing test device according to claim 1, characterized in that: The connecting plate (4) is provided with a locking groove (13), a T-shaped locking rod (14) is provided in the locking groove (13), and the end of the T-shaped locking rod (14) is threadedly connected to the vertical plate (5); in a locked state, a locking head (15) of the T-shaped locking rod (14) is perpendicular to the locking groove (13), and in a released state, the locking head (15) of the T-shaped locking rod (14) is parallel to the locking groove (13).

6. A test method for the aviation elbow sealing test device according to any one of claims 1 to 5, characterized in that: One end of the test curved pipe (16) is sealed with a sealing assembly A (7), and the other end is sealed with a sealing assembly B (17); the rotating plate (6) is turned to drive the connecting plate (4) so ​​that the head end of the push rod (9) is pressed against the sealing assembly A (7); at the same time, the connecting plate (4) drives the bending connecting rod (2) to move so that the pressing assembly (3) is pressed against the outer side of the bending portion of the test curved pipe (16); after the clamping is completed, the test curved pipe (16) is inflated by the air nozzle (8) through the sealing assembly B (17) to perform a sealing test.

7. The test method of the aviation elbow sealing test device according to claim 6, characterized in that: After the clamping is completed, the vertical plate (5) and the connecting plate (4) are locked using a T-shaped locking rod (14).

8. The test method of the aviation elbow sealing test device according to claim 7, characterized in that: After the test is completed, the T-shaped locking rod (14) is rotated to make the locking head parallel to the locking groove (13), and the rotating plate (6) is then turned to make the push rod (9) disengage from the sealing assembly A (7). The sealing assembly A (7) is withdrawn from the end of the tested curved pipe (16) until it is restrained and abutted by the limiting plate (12). Simultaneously, the pressing assembly (3) is also disengaged from the tested curved pipe (16), and the tested curved pipe (16) can be taken out at this time.

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