Large-flow aero-engine valve flow comprehensive test bench
By setting up installation holes, guides, slide pins and brackets on the comprehensive test bench of the valve flow, the problems of scattered pipes and inconvenient placement of tools are solved, and the effect of pipeline limits and easy-to-use tools is achieved.
Patent Information
- Application Number
- CN202421445604.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-24
AI Technical Summary
When used, the existing comprehensive test bench for valve flow is inconvenient due to the scattered and easy to pull, and the tools are placed casually, resulting in inconvenient use.
A comprehensive test bench for flap door flow of high-flow aircraft engines was designed. By setting up installation holes, guide plates and sliding pins on the table, the pipes were fixedly connected to the table through fixing hoops. The sliding pins were in a "U" shape, the brackets were in a "Y" shape, the brackets were in a sliding connection with the base, and the fastening screws were fixedly connected. The cabinet slots and table plates were set up to facilitate the placement and removal of tools.
The limit of the pipeline is achieved, avoiding scattered distribution and pulling, facilitating the stable placement and testing of the shutter, making the tool more convenient to use.
Smart Images
Figure CN222635802U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aviation engines, in particular to a large-flow aviation engine valve flow comprehensive test bench. Background Art
[0002] In order to ensure that the lubricating oil system of an aircraft engine can still meet the minimum requirement of the lubricating oil pump inlet pressure throughout the flight envelope and ensure smooth lubricating oil supply, the bearing cavity pressure must be maintained at no less than a certain limit value and no more than a certain limit value. For this reason, a key component, the altitude valve, is usually set in the free ventilation system. As the flight altitude of the engine changes, the altitude valve can sense the local and current atmospheric pressure, and change the flow area of the valve by changing the valve opening, thereby changing the flow resistance of the valve to adjust the pressure in the lubricating oil system cavity.
[0003] During valve production and development, it is necessary to collect valve information data in order to develop higher quality valves. The existing valve flow comprehensive test bench, when in use, because the valve needs to be connected to multiple pipes, the pipes are scattered on the test bench and are easy to be pulled unintentionally, and the tools needed are placed randomly, resulting in inconvenience in use. Therefore, we propose a large-flow aircraft engine valve flow comprehensive test bench to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a large-flow aircraft engine valve flow comprehensive test bench to solve the problem that the current valve flow comprehensive test bench proposed in the above-mentioned background technology has the problem that when in use, the valve needs to be connected to multiple pipes, resulting in the pipes being scattered on the test bench and easily pulled unintentionally, and the tools needed are placed randomly, resulting in inconvenience in use.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-flow aircraft engine valve flow comprehensive test bench, comprising:
[0006] A table, wherein a mounting hole is provided at the rear side of the table, a guide plate is connected below the mounting hole, a panel is provided outside the top of the table, a guide groove is provided inside the guide plate, a sliding pin is installed inside the guide groove, a pipe is provided inside the mounting hole, and a joint is connected to the top of the pipe;
[0007] A cabinet slot is arranged at the front side of the table, and a slide slot is provided at the top of the cabinet slot, a table board is installed inside the slide slot, and a base is provided at the rear side of the table board, the base is fixedly connected to the table, and a bracket is provided above the base.
[0008] Preferably, a plurality of the mounting holes are opened on the top of the table, and a fixing hoop is provided below the rear side of each mounting hole, and the pipeline is fixedly connected to the table via the fixing hoop.
[0009] Preferably, the guide plates are correspondingly arranged below the mounting holes on the left and right sides, and the sliding pins form a sliding structure with the guide plates through the guide grooves.
[0010] Preferably, the pipeline is arranged in a "U"-shaped structure through a sliding pin.
[0011] Preferably, the table top forms a sliding structure through a sliding groove and a cabinet groove, and the top of the table top is flush with the top of the table.
[0012] Preferably, the bracket is in a "Y"-shaped structure, and the brackets are arranged on the base in left and right correspondence.
[0013] Preferably, the bracket is slidably connected to the base, and the bracket is fixedly connected to the base by fastening screws.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the large-flow aircraft engine valve flow comprehensive test bench can limit the pipeline, avoid the pipeline from being scattered and thus avoid pulling, and facilitate the stable placement of the valve, thereby facilitating test and detection, and facilitating the use of tools;
[0015] 1. The installation hole and guide plate are set. The installation hole is convenient for the insertion of the pipeline. The guide plate can limit the pipeline to avoid the scattered distribution of the pipeline. The sliding pin can facilitate the expansion and contraction of the pipeline, thereby facilitating the connection between the pipeline and the valve interface.
[0016] 2. A base and a bracket are provided. The bracket is in a "Y"-shaped structure, which is convenient for placing the valve on the bracket. The bracket is slidably connected to the base to increase its flexibility and facilitate the placement of different valves. The bracket is fixed by tightening screws to increase stability.
[0017] 3. Cabinet slots and table tops are set up. The cabinet slots are convenient for placing tools, making it convenient to take and use the tools. The table tops on the cabinet slots are convenient for covering the cabinet slots, increasing the flat area of the table and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the front and rear view cutaway structure of the utility model;
[0020] Figure 3 It is a side view structural schematic diagram of the guide plate of the utility model.
[0021] In the figure: 1, table; 2, mounting hole; 3, guide plate; 4, guide groove; 5, sliding pin; 6, fixing hoop; 7, pipe; 8, joint; 9, enclosure; 10, cabinet groove; 11, sliding groove; 12, table top; 13, base; 14, bracket; 15, fastening screws. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3 The utility model provides a technical solution: a large-flow aircraft engine valve flow comprehensive test bench, including: a table 1, a mounting hole 2, a guide plate 3, a guide groove 4, a sliding pin 5, a fixing hoop 6, a pipe 7, a joint 8, a panel 9, a cabinet groove 10, a sliding groove 11, a table board 12, a base 13, a bracket 14 and a fastening screw 15;
[0024] A table 1, a mounting hole 2 is provided at the rear side of the table 1, a guide plate 3 is connected below the mounting hole 2, a panel 9 is provided outside the top of the table 1, a guide groove 4 is provided inside the guide plate 3, a slide pin 5 is installed inside the guide groove 4, a pipe 7 is provided inside the mounting hole 2, and a joint 8 is connected to the top of the pipe 7;
[0025] The cabinet slot 10 is arranged on the front side of the table 1, and a slide slot 11 is opened on the top of the cabinet slot 10, a table board 12 is installed inside the slide slot 11, and a base 13 is arranged on the rear side of the table board 12, the base 13 is fixedly connected to the table 1, and a bracket 14 is arranged above the base 13.
[0026] like Figure 2 and Figure 3 A plurality of middle mounting holes 2 are opened on the top of the table 1, and a fixing hoop 6 is provided at the lower rear side of each mounting hole 2, and the pipe 7 is fixedly connected to the table 1 through the fixing hoop 6, so as to fix one end of the pipe 7 conveniently. The guide plates 3 are correspondingly arranged at the lower part of the mounting holes 2 on the left and right, and the sliding pin 5 forms a sliding structure with the guide plate 3 through the guide groove 4, so as to facilitate the limiting of the pipe 7. The pipe 7 is arranged in a "U"-shaped structure through the sliding pin 5, so as to facilitate the extension and retraction of the pipe 7.
[0027] like Figure 1 and Figure 2The middle table top 12 forms a sliding structure with the cabinet slot 10 through the slide slot 11, and the top of the table top 12 is flush with the top of the table 1, which is convenient for use. The bracket 14 is a "Y"-shaped structure, and the bracket 14 is correspondingly arranged on the base 13 on the left and right, which is convenient for the placement of the valve. The bracket 14 is slidably connected to the base 13, and the bracket 14 is fixedly connected to the base 13 by fastening screws 15, which is convenient for fixing the bracket 14.
[0028] Working principle: When using this large flow aircraft engine valve flow comprehensive test bench, such as Figure 1 As shown, by sliding the bracket 14, the positions of the brackets 14 on the left and right sides are adjusted, so as to facilitate the placement of the valve on the bracket 14. After the position of the bracket 14 is determined, the bracket 14 is fixed by rotating the fastening screw 15, so as to increase the stability of the placement of the valve;
[0029] By pulling the connector 8, Figure 2 As shown, the joint 8 drives the pipe 7 to extend. When the pipe 7 is extended, the sliding pin 5 slides in the guide groove 4 by pulling, which facilitates the resetting of the pipe 7 after use. After the pipe 7 is extended, it is convenient to connect with the interface on the valve through the joint 8. The cabinet groove 10 is convenient for placing tools, thereby facilitating the removal of tools. The table top 12 is flush with the table 1, which is convenient for use. This is the entire working process of the large-flow aircraft engine valve flow comprehensive test bench. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0030] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A large-flow aircraft engine valve flow comprehensive test bench, characterized in that: include: A table (1), wherein a mounting hole (2) is provided on the rear side of the table (1), a guide plate (3) is connected below the mounting hole (2), a panel (9) is provided on the outside of the top of the table (1), a guide groove (4) is provided inside the guide plate (3), a sliding pin (5) is installed inside the guide groove (4), a pipe (7) is provided inside the mounting hole (2), and a joint (8) is connected to the top of the pipe (7); A cabinet slot (10), wherein the cabinet slot (10) is arranged on the front side of a table (1), and a slide slot (11) is provided on the top of the cabinet slot (10), a table top (12) is installed inside the slide slot (11), and a base (13) is provided on the rear side of the table top (12), the base (13) is fixedly connected to the table (1), and a bracket (14) is provided above the base (13).
2. A large flow aircraft engine valve flow comprehensive test bench according to claim 1, characterized in that: A plurality of the mounting holes (2) are provided on the top of the table (1), and a fixing hoop (6) is provided below the rear side of each mounting hole (2), and the pipe (7) is fixedly connected to the table (1) via the fixing hoop (6).
3. A large flow aircraft engine valve flow comprehensive test bench according to claim 1, characterized in that: The guide plates (3) are correspondingly arranged on the left and right sides below the mounting holes (2), and the sliding pins (5) form a sliding structure with the guide plates (3) through the guide grooves (4).
4. A large flow aircraft engine valve flow comprehensive test bench according to claim 1, characterized in that: The pipeline (7) is arranged in a "U"-shaped structure via the sliding pin (5).
5. A large flow aircraft engine valve flow comprehensive test bench according to claim 1, characterized in that: The table top (12) forms a sliding structure with the cabinet groove (10) through the sliding groove (11), and the top of the table top (12) is flush with the top of the table (1).
6. A large flow aircraft engine valve flow comprehensive test bench according to claim 1, characterized in that: The bracket (14) has a "Y"-shaped structure, and the bracket (14) is arranged on the base (13) in corresponding left and right positions.
7. A large flow aircraft engine valve flow comprehensive test bench according to claim 1, characterized in that: The bracket (14) is slidably connected to the base (13), and the bracket (14) is fixedly connected to the base (13) via a fastening screw (15).