Nozzle air flow testing tool

Abstract

The utility model relates to a nozzle air flow testing tool which comprises a barrel body, a plurality of groups of locking assemblies are connected along the periphery of the upper end of the barrel body, the locking assemblies are connected on the barrel body at equal intervals, a cover plate assembly is connected above the barrel body, and the cover plate assembly is locked and connected on the barrel body through the locking assemblies. According to the utility model, rapid assembly and disassembly are realized, so that the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a nozzle air flow testing tool. Background Art

[0002] Nozzle refers to the oil nozzle in the combustion chamber of the aircraft engine and the lubricating oil nozzle on the lubrication point. It is currently widely used in the aviation industry. It is a core hydraulic component on the aircraft. The performance test of the fuel nozzle is a necessary process for the manufacture of aircraft engine nozzles. Its detection accuracy directly affects the nozzle characteristic detection. The fuel parameter control is to simulate the temperature and pressure of the fuel entering the nozzle when the engine is actually running, so as to ensure that the state of the fuel entering the nozzle when measuring the nozzle performance is as close as possible to the actual operation of the engine. The function is to atomize the fuel, accelerate the formation of the mixture, ensure stable combustion and improve combustion efficiency.

[0003] In order to ensure the stable combustion of the aircraft engine and improve the combustion efficiency of the engine, the qualification of the fuel nozzle flow is very important. After the fuel nozzle is processed, the flow test of the nozzle is a necessary process for its delivery. After searching, the patent: a fuel nozzle test tool (CN201811478004.5), including an atomization test bench, the atomization test bench is composed of an adjustment mechanism and a detection mechanism, the adjustment mechanism is composed of an electric telescopic rod, a slide rail, a console, a handwheel, a connecting rod, a reset spring, a rubber tooth, a connecting block and a clamping block, the output rod of the electric telescopic rod is connected to the bottom of the console, the bottom of the console is movably connected to the inner side of the slide rail, the top of the console is connected to the bottom of the connecting block, the inner side of the connecting block is connected to the outer surface of the connecting rod, the outer surface of the connecting rod is connected to the inner side of the reset spring, the opposite faces of the connecting rods on both sides are connected to the opposite faces of the clamping blocks on both sides, the opposite faces of the clamping blocks on both sides are connected to the opposite faces of the rubber teeth on both sides, and the opposite faces of the connecting rods on both sides. However, the above-mentioned structure is inconvenient to install and disassemble, which affects the work efficiency.

[0004] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a nozzle air flow test tooling with a new structure to make it more valuable for industrial use. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a nozzle air flow test tool.

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

[0007] A nozzle air flow test tool comprises a barrel body, a plurality of locking assemblies are connected along the periphery of the upper end of the barrel body, and the locking assemblies are connected to the barrel body at equal intervals, a cover plate assembly is connected above the barrel body, and the cover plate assembly is locked and connected to the barrel body through the locking assembly;

[0008] The cover plate assembly includes a cover plate, one side of the cover plate is provided with an opening, the opening is equipped with a flow plug of a barrel type structure, the top of the flow plug is connected with a blocking ring that contacts the cover plate, the bottom of the flow plug is provided with a mounting hole that is connected with the barrel body and is used to install the nozzle, the upper end surface of the cover plate is connected with a clamping elbow clamp for clamping the blocking ring, the lower end surface of the cover plate is connected with a positioning plate for locating the nozzle position, the positioning plate is arranged on the central axis of the opening, a positioning groove is provided on the positioning plate, a positioning elbow clamp for clamping and positioning the nozzle is connected to the positioning plate, positioning holes are provided on the cover plate on the left and right sides of the central axis of the opening, and the positioning holes are connected with positioning pins for positioning the nozzle.

[0009] Preferably, in the nozzle air flow test tool, an outer side of the flow plug is connected to an outer sealing ring that is in sealing contact with the opening of the barrel body.

[0010] Preferably, in the nozzle air flow test fixture, an inner sealing ring is connected between the mounting hole and the nozzle.

[0011] Preferably, in the nozzle air flow test tool, a cover plate handle is provided on the upper end surface of the cover plate.

[0012] Preferably, in the nozzle air flow test fixture, the clamping elbow clamp is provided with two clamps, which are respectively arranged on the left and right sides of the central axis of the opening.

[0013] Preferably, in the nozzle air flow test tool, the locking assembly includes a locking fixing sleeve, a locking shaft and a locking connecting rod, the locking fixing sleeve is connected to the outer wall of the barrel body, a locking shaft is connected between the locking fixing sleeves, a locking connecting rod that rotates synchronously with the locking shaft is connected to the locking shaft, a locking groove corresponding to the locking assembly is provided on the outer side of the cover plate, and the locking connecting rod locks the cover plate and the barrel body through a locking nut.

[0014] Preferably, in the nozzle air flow test fixture, reinforcing ribs are connected between the positioning plate and the cover plate.

[0015] Preferably, in the nozzle air flow test fixture, the clamping elbow clamp and the positioning elbow clamp are respectively connected to the cover plate and the positioning plate by bolts.

[0016] By means of the above solution, the utility model has at least the following advantages:

[0017] The utility model can quickly install and disassemble the nozzle, thereby improving work efficiency, and the parts are all simple standard parts, with the advantages of low cost and convenient disassembly and assembly, and reliable and stable clamping can be achieved through the elbow clamp.

[0018] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a rear view of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0024] Example

[0025] like Figure 1 and Figure 2 As shown, a nozzle air flow test tool comprises a barrel body 1, a plurality of locking components 2 are connected along the upper end periphery of the barrel body 1, and the locking components 2 are connected to the barrel body at equal intervals, a cover plate component 3 is connected above the barrel body 1, and the cover plate component 3 is locked and connected to the barrel body 1 through the locking components 2;

[0026] The cover plate assembly 3 includes a cover plate 31, one side of the cover plate 31 is provided with an opening 32, the opening 32 is embedded with a flow plug 33 of a barrel type structure, the top of the flow plug 33 is connected with a blocking ring that contacts the cover plate 31, the bottom of the flow plug 33 is provided with a mounting hole 34 that is connected to the barrel body 1 and is used to install the nozzle, the upper end surface of the cover plate 31 is connected with a clamping elbow clamp 35 for clamping the blocking ring, the lower end surface of the cover plate 31 is connected with a positioning plate 36 for locating the nozzle position, the positioning plate 36 is arranged on the central axis of the opening, the positioning groove 37 is provided on the positioning plate 36, the positioning plate 36 is connected with a positioning elbow clamp 38 for clamping and positioning the nozzle, positioning holes are provided on the cover plate 31 on the left and right sides of the central axis of the opening, and the positioning holes are connected with positioning pins 39 for positioning the nozzle.

[0027] The outer side of the flow plug 33 in the utility model is connected with an outer sealing ring which is in sealing contact with the opening of the barrel body, and the inner sealing ring is connected between the mounting hole 34 and the nozzle. The outer sealing ring can realize the sealing between the flow plug and the cover plate, while the inner sealing ring can realize the sealing between the nozzle and the flow plug.

[0028] The cover plate 31 of the present invention has a cover plate handle 310 on the upper end surface for easy transportation.

[0029] The clamping elbow clamps 35 described in the present invention are provided with two, which are respectively arranged on the left and right sides of the central axis of the opening to achieve the clamping of the flow plug and ensure the stability of the test.

[0030] The locking assembly 2 in the utility model includes a locking fixing sleeve 21, a locking shaft 22 and a locking connecting rod 23. The locking fixing sleeve 21 is connected to the outer wall of the barrel body, and the locking shaft 22 is connected between the locking fixing sleeves 21. The locking shaft 22 is connected to the locking connecting rod 23 that rotates synchronously with it. A locking groove 311 corresponding to the locking assembly 2 is opened on the outer side of the cover plate 31. The locking connecting rod 23 locks the cover plate and the barrel body through a locking nut, which can realize different cover plates and can achieve quick installation and disassembly.

[0031] In the present invention, a reinforcing rib is connected between the positioning plate 36 and the cover plate 31 .

[0032] The pressing toggle clamp 35 and the positioning toggle clamp 38 in the utility model are respectively connected to the cover plate and the positioning plate by bolts.

[0033] The working principle of the utility model is as follows:

[0034] During the specific work, one end of the product (nozzle) is passed through the mounting hole, and the other end is accurately positioned through the positioning groove and positioning pin on the positioning plate, and then fixed by the positioning elbow clamp, and finally the air flow test of the nozzle is carried out.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] In the description of this application, it should be noted that the terms "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0037] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0038] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A nozzle air flow test tool, characterized in that: It comprises a barrel body (1), a plurality of groups of locking assemblies (2) are connected along the periphery of the upper end of the barrel body (1), and are connected to the barrel body at equal intervals; a cover plate assembly (3) is connected above the barrel body (1), and the cover plate assembly (3) is locked and connected to the barrel body (1) through the locking assembly (2); The cover plate assembly (3) comprises a cover plate (31), one side of which is provided with an opening (32), a flow plug (33) of a barrel-shaped structure being mounted on the opening (32), a blocking ring being connected to the top of the flow plug (33) and in contact with the cover plate (31), a mounting hole (34) being connected to the barrel body (1) and used for mounting a nozzle being disposed at the bottom of the flow plug (33), and a clamping elbow for clamping the blocking ring being connected to the top end surface of the cover plate (31). The cover plate (31) is provided with a positioning plate (36) for positioning the nozzle, the positioning plate (36) is arranged at the center axis of the opening, a positioning groove (37) is provided on the positioning plate (36), a positioning elbow clamp (38) for pressing and positioning the nozzle is connected to the positioning plate (36), and positioning holes are provided on the cover plate (31) on the left and right sides of the center axis of the opening, and positioning pins (39) for positioning the nozzle are connected to the positioning holes.

2. The nozzle air flow test tool according to claim 1, characterized in that: An outer sealing ring is connected to the outer side of the flow plug (33) and is in sealing contact with the opening of the barrel body.

3. The nozzle air flow test tool according to claim 1, characterized in that: An inner sealing ring is connected between the mounting hole (34) and the nozzle.

4. The nozzle air flow test tool according to claim 1, characterized in that: A cover plate handle (310) is provided on the upper end surface of the cover plate (31).

5. The nozzle air flow test tool according to claim 1, characterized in that: The clamping toggle clamps (35) are provided with two, which are respectively arranged on the left and right sides of the central axis of the opening.

6. The nozzle air flow test tool according to claim 1, characterized in that: The locking assembly (2) comprises a locking sleeve (21), a locking shaft (22) and a locking connecting rod (23); the locking sleeve (21) is connected to the outer wall of the barrel body; the locking sleeve (21) is connected with the locking shaft (22); the locking shaft (22) is connected with the locking connecting rod (23) which rotates synchronously with the locking shaft; a locking groove (311) corresponding to the locking assembly (2) is formed on the outer side of the cover plate (31); the locking connecting rod (23) locks and connects the cover plate and the barrel body through a locking nut.

7. The nozzle air flow test tool according to claim 1, characterized in that: A reinforcing rib is connected between the positioning plate (36) and the cover plate (31).

8. The nozzle air flow test tool according to claim 1, characterized in that: The pressing toggle clamp (35) and the positioning toggle clamp (38) are respectively connected to the cover plate and the positioning plate by bolts.

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