CN210141405U

CN210141405U - Connecting tool for temperature-height test box work

Info

Publication number: CN210141405U
Application number: CN201920494252.2U
Authority: CN
Inventors: 卢俊宇; 李超
Original assignee: Guizhou Yonghong Aviation Machinery Co Ltd
Current assignee: Guizhou Yonghong Aviation Machinery Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-03-13
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a temperature-height test case is connecting tool for work, including quick-operation joint A, flat nozzle A, cap nut A, screw thread mouthpiece A, quick-operation joint B, cap nut B, flat nozzle B, screw thread mouthpiece B, quick-operation joint C, nonrust steel pipe. And a threaded nozzle A and a threaded nozzle B are respectively welded at two ends of the stainless steel pipe, and a quick coupler C is welded on the stainless steel pipe at a position away from the threaded nozzle B50 cm. The outer sleeve nut A and the flat nozzle A are connected with the threaded nozzle A, and the outer sleeve nut B and the flat nozzle B are connected with the threaded nozzle B. The utility model discloses can be connected not influence the use of temperature-high proof box simultaneously with the proof box outside in the temperature-high proof box for the work requirement (such as logical oil circulation, pressurization etc.) when accomplishing the product and carry out the temperature-high test, and can dismantle at any time.

Description

Connecting tool for temperature-height test box work

Technical Field

The utility model relates to a machining field and welding field, especially a processing and finished product structure that management connects.

Background

Oil needs to be radiated in an aircraft engine, so when the working performance of a radiating product (such as a heat exchanger) in a high-altitude environment needs to be checked, the product needs to be connected with a test device, and because the existing temperature-height test device in a laboratory cannot provide an oil circulating pipeline connected with the radiating product, a connecting tool suitable for the working state of the product of the company needs to be designed urgently.

Disclosure of Invention

The utility model aims at providing a temperature-height test case is connecting means for the work to solve the problem that current temperature-height test bench can't realize this company's product work interface accordant connection.

In order to solve the problem, the utility model adopts the following technical scheme:

a connecting tool for a temperature-height test box comprises a stainless steel pipe, a quick coupler A and a quick coupler B;

two ends of the stainless steel pipe are respectively connected with the threaded pipe nozzle A and the threaded pipe nozzle B, and the outer wall of the stainless steel pipe is provided with a quick coupler C;

the quick connector A is sequentially connected with a flat pipe nozzle A and an outer nut A, and the outer nut A is connected with a threaded pipe nozzle A;

the quick coupler B is sequentially connected with the flat nozzle B and the outer nut B, and the outer nut B is connected with the threaded nozzle B. All components are combined together to be able to accommodate liquid passage (maximum demand) of not more than 15MPa, 300 ℃ and 20000L/h.

Furthermore, the two ends of the stainless steel pipe are respectively welded with the threaded pipe nozzle A and the threaded pipe nozzle B, and a quick connector C is welded on the stainless steel pipe and at the position close to the threaded pipe nozzle B.

Further, the quick coupler A is welded with the flat pipe nozzle A, and the quick coupler B is welded with the flat pipe nozzle B.

Further, the large outer diameter end of the flat pipe nozzle A is arranged in the outer sleeve nut A, the small outer diameter end of the flat pipe nozzle B is connected with the quick coupler A, the large outer diameter end of the flat pipe nozzle B is arranged in the outer sleeve nut B, and the small outer diameter end of the flat pipe nozzle B is connected with the quick coupler B.

Further, the end surfaces of the threaded nozzle A and the threaded nozzle B are provided with a conical surface, and the conical surface is matched with the inner conical surfaces of the flat nozzle A and the flat nozzle B to form a sealing surface (namely, the sealing is carried out through conical surface sealing).

Further, the outer sleeve nut a and the threaded nozzle a are connected by the threads of M39 × 2, and the outer sleeve nut B and the threaded nozzle B are connected by the threads of M39 × 2.

Furthermore, the joint of the stainless steel pipe and the threaded nozzle A, the joint of the stainless steel pipe and the threaded nozzle B, the joint of the quick coupler A and the flat nozzle A and the joint of the quick coupler B and the flat nozzle B all adopt embedded structures to prevent the occurrence of welding beading inside the pipeline, wherein the embedded structures refer to two components which are mutually connected, at least one part of one component is inserted into the other component, namely, an overlapped combination part is formed.

The utility model discloses a temperature-height test case work is with connecting tool includes quick-operation joint A, flat nozzle A, outer nut A, screw thread mouthpiece A, quick-operation joint B, outer nut B, flat nozzle B, screw thread mouthpiece B, quick-operation joint C, nonrust steel pipe. And a threaded nozzle A and a threaded nozzle B are respectively welded at two ends of the stainless steel pipe, and a quick coupler C is welded on the stainless steel pipe at a position away from the threaded nozzle B50 cm. The outer sleeve nut A and the threaded nozzle A are connected through threads. The outer sleeve nut B and the threaded nozzle B are connected through threads. The flat nozzle A and the threaded nozzle A are connected in a sealing mode through conical surfaces. The flat nozzle B and the threaded nozzle B are connected in a sealing way through conical surfaces.

In view of do not have among the prior art with the connecting piece of this company's product and temperature-high proof box adaptation, the utility model discloses a connecting tool can realize letting in the multichannel liquid of asking the value in to the proof box when the proof box keeps at certain temperature and height, satisfies the experimental demand of this company's product, judges for product quality and provides reliable foundation.

Drawings

FIG. 1 is a block diagram of the present invention;

in the figure: 1. a quick connector A; 2. a flat nozzle A; 3. a nut A is sleeved; 4. a threaded nozzle A; 5. a steel pipe; 6. a quick connector C; 7. a threaded nozzle B; 8. a nut B is sleeved; 9. a flat nozzle B; 10. and a quick coupler B.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings, but the claimed protection scope is not limited to the above;

as shown in FIG. 1, the utility model provides a pair of temperature-height proof box work is with connecting tool, including quick-operation joint A1, flat nozzle A2, outer sleeve nut A3, screw nozzle A4, quick-operation joint B10, outer sleeve nut B8, flat nozzle B9, screw nozzle B7, quick-operation joint C6 and stainless steel pipe 5. And a threaded nozzle A4 and a threaded nozzle B7 are respectively welded at two ends of the stainless steel pipe 5, and a quick coupler C6 is welded on the stainless steel pipe 5 at a position which is about 50cm away from the threaded nozzle B7. The outer cup nut A3 and the threaded nipple a4 are connected by M39 x 2 threads. The outer cup nut B8 and the threaded nipple B7 are connected by M39 x 2 threads. Flat nozzle 2A and threaded nozzle a4 are sealingly connected by a conical surface. The flat nozzle B9 and the threaded nozzle B7 were sealingly connected by a conical surface.

The connecting tool for the temperature-height test box work is used as follows:

firstly, a flat nozzle A2 is placed into an outer sleeve nut A3 and then welded with a quick coupler A1, and a threaded nozzle A4 and a stainless steel pipe 5 are welded together. The flat nipple B9 was placed into the outer nut B8 and welded to the quick coupler B10, and the threaded nipple B7 was welded to the stainless steel tube 5. The quick coupler C6 and the stainless steel tube 5 are welded together.

And step two, after welding is finished, the components are connected with a pipeline on a temperature-height test box through a quick connector C6, wherein the component A (the quick connector A1, the flat nozzle A2, the outer sleeve nut A3 and the threaded nozzle A4) is inserted into the test box, and the component B (the quick connector B10, the outer sleeve nut B8, the flat nozzle B9 and the threaded nozzle B7) is left outside the test box. The A-modules (quick coupler A1, flat nozzle A2, outer nut A3, threaded nozzle A4) are connected to the product placed in the test box, and the B-modules (quick coupler B10, outer nut B8, flat nozzle B9, threaded nozzle B7) are connected to the mobile tank (supplying oil).

Step three, introducing lubricating oil with the temperature of 200 ℃ and the flow rate of 6000L/h into the pipeline; and simultaneously introducing 10MPa of normal temperature fuel oil at 15000L/h into the other pipeline, starting a temperature-height test box, adjusting the height to 15000m and the temperature to-55 ℃, and keeping for 2 h.

And step four, the temperature-height test box has stable parameters, no out-of-tolerance fluctuation, no oil leakage phenomenon of the pipeline, smooth circulation and perfect realization of the working state.

Claims

1. A connecting tool for temperature-height test box working is characterized in that: comprises a stainless steel pipe (5), a quick coupler A (1) and a quick coupler B (10);

two ends of the stainless steel pipe (5) are respectively connected with the threaded pipe nozzle A (4) and the threaded pipe nozzle B (7), and the outer wall of the stainless steel pipe (5) is provided with a quick coupler C (6);

the quick connector A (1) is sequentially connected with the flat pipe nozzle A (2) and the outer nut A (3), and the outer nut A (3) is connected with the threaded pipe nozzle A (4);

the quick coupler B (10) is sequentially connected with the flat nozzle B (9) and the outer nut B (8), and the outer nut B (8) is connected with the threaded nozzle B (7).

2. A temperature-height test chamber work connection tool according to claim 1, wherein: stainless steel pipe (5) both ends respectively with screw thread mouthpiece A (4) and screw thread mouthpiece B (7) welding, on stainless steel pipe (5) and short distance screw thread mouthpiece B (7) department welding has ready-packaged joint C (6).

3. A temperature-height test chamber work connection tool according to claim 1, wherein: the quick coupler A (1) is welded with the flat pipe nozzle A (2), and the quick coupler B (10) is welded with the flat pipe nozzle B (9).

4. A temperature-height test chamber work connection tool according to claim 1, wherein: the large end of the outer diameter of the flat pipe nozzle A (2) is arranged in the outer sleeve nut A (3), the small end of the outer diameter is connected with the quick coupler A (1), the large end of the outer diameter of the flat pipe nozzle B (9) is arranged in the outer sleeve nut B (8), and the small end of the outer diameter is connected with the quick coupler B (10).

5. A temperature-height test chamber work connection tool according to claim 1, wherein: the end faces of the threaded nozzle A (4) and the threaded nozzle B (7) are provided with conical surfaces, and the conical surfaces are matched with the inner conical surfaces of the flat nozzle A (2) and the flat nozzle B (9) to form sealing surfaces.

6. A temperature-height test chamber work connection tool according to claim 1, wherein: the outer sleeve nut A (3) and the threaded nozzle A (4) are connected through M39 x 2 threads, and the outer sleeve nut B (8) and the threaded nozzle B (7) are connected through M39 x 2 threads.

7. A temperature-height test chamber work connection tool according to claim 1, wherein: the joint of the stainless steel pipe (5) and the threaded pipe nozzle A (4), the joint of the stainless steel pipe (5) and the threaded pipe nozzle B (7), the joint of the quick coupler A (1) and the flat pipe nozzle A (2) and the joint of the quick coupler B (10) and the flat pipe nozzle B (9) are all of an embedded structure.