Tooling for testing flow of main pipe of nozzle

Abstract

The invention relates to a nozzle header pipe flow test tool which comprises an outer cylinder base, the outer cylinder base comprises an upper outer cylinder base and a lower outer cylinder base, the upper outer cylinder base is of a circular ring structure, a placing hole is formed in a circular ring belt of the upper outer cylinder base, an annular clamping plate is connected to the upper portion of the upper outer cylinder base, and the lower portion of the upper outer cylinder base is provided with a clamping groove. The lower outer barrel base is of a cylindrical structure, the annular clamping plate is provided with a containing groove used for containing a product, the annular clamping plate is connected with horizontal calipers used for fixing the product, the lower outer barrel base is of a cylindrical structure, the lower outer barrel base is provided with clamping grooves used for containing oil leakage pipes, and the clamping grooves and the containing holes are in one-to-one correspondence and are located on the same axis. A sealing ring pipe is connected into the containing hole, the upper portion of the sealing ring pipe is fixedly connected to the upper outer cylinder base through a fixing assembly and protrudes out of the upper outer cylinder base and is connected with a nozzle of a product, the lower portion of the sealing ring pipe is communicated with one end of an oil leakage pipe, and the other end of the oil leakage pipe is connected into the clamping groove in a penetrating mode. According to the invention, the working efficiency of testing can be improved.

Description

Technical Field

[0001] This invention relates to a nozzle main flow test fixture. Background Technology

[0002] Nozzles refer to the oil nozzles in the combustion chamber of an aircraft engine and the lubricating nozzles at lubrication points. They are currently widely used in the aviation industry. As a core hydraulic component of an aircraft, fuel nozzle performance testing is a necessary process in aircraft engine nozzle manufacturing, and its testing accuracy directly affects nozzle characteristic testing. Fuel parameter control aims to simulate the temperature and pressure of fuel entering the nozzle during actual engine operation, ensuring that the state of fuel entering the nozzle closely approximates the actual engine operating conditions when measuring nozzle performance. Its function is to atomize fuel, accelerate the formation of the air-fuel mixture, ensure stable combustion, and improve combustion efficiency.

[0003] To ensure stable combustion and improve combustion efficiency in aero engines, the quality of fuel nozzle flow rate is crucial. After fuel nozzle manufacturing, flow rate testing is a necessary step before delivery. A search revealed a patent: a fuel nozzle testing fixture (CN201811478004.5), which includes an atomization test bench. The atomization test bench consists of an adjustment mechanism and a testing mechanism. The adjustment mechanism comprises an electric telescopic rod, a slide rail, a control console, a handwheel, a connecting rod, a return spring, rubber teeth, a connecting block, and clamping blocks. The output rod of the electric telescopic rod is connected to the bottom of the control console. The bottom of the control console is movably connected to the inner side of the slide rail. The top of the control 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 return spring. The opposing surfaces of the connecting rods on both sides are connected to the opposing surfaces of the clamping blocks on both sides. The opposing surfaces of the clamping blocks on both sides are connected to the opposing surfaces of the rubber teeth on both sides. However, the above-mentioned structure is inconvenient to install and disassemble, and the flow rate test is not accurate enough, which may ultimately affect the quality. In addition, the installation and testing are relatively complicated, which affects efficiency.

[0004] In view of the above-mentioned shortcomings, the designer actively researched and innovated in order to create a new type of nozzle main pipe flow test fixture with a new structure, which would make it more valuable for industrial use. Summary of the Invention

[0005] To address the aforementioned technical problems, the purpose of this invention is to provide a nozzle main pipe flow testing fixture.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A nozzle main flow test fixture includes an outer cylinder base, which comprises an upper outer cylinder base and a lower outer cylinder base. The upper outer cylinder base has a circular ring structure, and a placement hole is formed on the circular ring band of the upper outer cylinder base. An annular clamping plate is connected above the upper outer cylinder base, and a placement groove for placing a product is formed on the annular clamping plate. A horizontal clamp for fixing the product is connected to the annular clamping plate located on the side of the placement groove. Each placement groove corresponds one-to-one with each placement hole and is arranged on the same axis. The lower outer cylinder base has a cylindrical structure, and a slot for placing an oil leakage pipe is formed on the lower outer cylinder base. Each slot corresponds one-to-one with each placement hole and is on the same axis. A sealing ring tube is connected inside the placement hole. The upper part of the sealing ring tube is fixed to the upper outer cylinder base by a fixing component. At the same time, the upper part of the sealing ring tube protrudes from the upper outer cylinder base and is connected to the nozzle of the product. The lower part of the sealing ring tube is connected to one end of the oil leakage pipe, and the other end of the oil leakage pipe passes through the slot.

[0007] Preferably, in the nozzle main flow test fixture, the upper outer cylinder base and the lower outer cylinder base are integrally formed structures.

[0008] Preferably, in the nozzle main flow test fixture, the sealing ring tube includes an upper sealing ring tube and a lower sealing ring tube, the upper sealing ring tube and the lower sealing ring tube are connected together, the outer ring of the upper sealing ring tube is connected to a fixing ring block for connecting and fixing on the upper outer cylinder base, and the end of the lower sealing ring tube is connected to a connecting pipe for connecting to the oil leakage pipe.

[0009] Preferably, in the nozzle main flow test fixture, the upper sealing ring pipe and the lower sealing ring pipe are connected by argon arc welding.

[0010] Preferably, in the nozzle main flow test fixture, a filter screen is connected between the upper sealing ring pipe and the lower sealing ring pipe.

[0011] Preferably, in the nozzle main flow test fixture, the upper sealing ring tube is fitted with an O-ring that forms a seal with the product nozzle.

[0012] Preferably, the nozzle main flow test fixture has a fixing groove for placing a fixing ring block on the upper outer cylinder base located around the placement hole.

[0013] Preferably, in the nozzle main flow test fixture, the fixing component includes an inner pressure ring and an outer pressure ring, and the inner pressure ring and the outer pressure ring surrounding the outer ring of the sealing pipe are bolted to the upper outer cylinder base.

[0014] Preferably, in the nozzle main flow test fixture, the annular clamps located on both sides of the slot are each connected to two horizontal clamps, and the horizontal clamps for fixing the product are arranged diagonally.

[0015] Preferably, in the nozzle main pipe flow testing fixture, an auxiliary fixing ring block is connected at the connection between the upper outer cylinder base and the lower outer cylinder base, and an auxiliary support block for assisting in fixing the product's outer pipe is connected to the auxiliary fixing ring block.

[0016] By means of the above-described solution, the present invention has at least the following advantages: This invention enables rapid installation and fixation of products, achieving effective fixation and accelerating testing efficiency, thereby improving testing efficiency.

[0017] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the outer cylinder base of the present invention; Figure 3 This is a schematic diagram of the structure of the sealing ring pipe, fixing component and oil leakage pipe of the present invention. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0022] Example like Figure 1 , Figure 2 and Figure 3 As shown, a nozzle main flow test fixture includes an outer cylinder base 1, which includes an upper outer cylinder base 111 and a lower outer cylinder base 112. The upper outer cylinder base 111 has a circular structure, and a placement hole 116 is opened on the circular band of the circular structure. An annular clamping plate 113 is connected above the annular structure of the upper outer cylinder base 111. A placement groove 114 for placing products is opened on the annular clamping plate 113 located on the side of the placement groove 114. A horizontal clamp 115 for fixing products is connected on the annular clamping plate 113. Each placement groove 114 corresponds one-to-one with each placement hole 116 and is arranged on the same axis. The lower outer cylinder base 112 has a cylindrical structure, and a slot 117 for placing an oil leakage pipe is opened on the cylindrical structure of the lower outer cylinder base 112. Each slot 117 corresponds one-to-one with each placement hole 116 and is on the same axis. A sealing ring tube 2 is connected inside the placement hole 116. The upper part of the sealing ring tube 2 is connected and fixed to the upper outer cylinder base 111 by the fixing component 3. At the same time, the upper part of the sealing ring tube 2 protrudes from the upper outer cylinder base 111 and is connected to the nozzle of the product. The lower part of the sealing ring tube 2 is connected to one end of the oil leakage pipe 4, and the other end of the oil leakage pipe 4 passes through the slot 117.

[0023] In this embodiment, the upper outer cylinder base 111 and the lower outer cylinder base 112 are integrally formed, which can improve the overall robustness.

[0024] In this embodiment, the sealing ring pipe 2 includes an upper sealing ring pipe 21 and a lower sealing ring pipe 22. The upper sealing ring pipe 21 and the lower sealing ring pipe 22 are connected together. The outer ring of the upper sealing ring pipe 21 is connected to a fixing ring block 23 for connecting and fixing to the upper outer cylinder base 111. The end of the lower sealing ring pipe 22 is connected to a connecting pipe 24 that is connected to the oil leakage pipe.

[0025] Meanwhile, the upper sealing ring tube 21 and the lower sealing ring tube 22 are connected by argon arc welding to improve their firmness. A filter screen is connected between the upper sealing ring tube 21 and the lower sealing ring tube 22, and an O-ring seal is embedded in the upper sealing ring tube 21 to form a seal with the product nozzle.

[0026] In this embodiment, a fixing groove 118 for placing the fixing ring block 23 is provided on the upper outer cylinder base 111 located around the placement hole 116. The fixing assembly 3 includes an inner pressure ring 31 and an outer pressure ring 32, which are bolted to the upper outer cylinder base 111 surrounding the outer ring tube 2. The inner pressure ring 31, the outer pressure ring 32, and the fixing ring block 23 can stably fix the sealing ring tube in the placement hole.

[0027] In this embodiment, the annular clamping plates 113 located on both sides of the slot 114 are each connected to two horizontal clamps 115. The horizontal clamps 115 used to fix the product are arranged diagonally. The diagonal layout can not only achieve a firm fixation of the product, but also reduce the installation of horizontal clamps.

[0028] In this embodiment, an auxiliary fixing ring block 119 is connected at the connection between the upper outer cylinder base 111 and the lower outer cylinder base 112, and an auxiliary support block 120 for assisting in fixing the outer pipe of the product is connected to the auxiliary fixing ring block 119.

[0029] The working principle of this invention is as follows: In practice, the product is first fixed on the placement slot while its nozzle is connected to the sealing ring tube. Then, after the product is fixed by the fixing components, the testing of each nozzle begins.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0031] In the description of this application, it should be noted that the terms "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0032] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or vertical, but rather that they can be slightly tilted. For example, "horizontal" simply 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.

[0033] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0034] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A totalizer flow test tool for a nozzle, characterized by: The utility model provides a product fixing device, including outer tube base (1), the outer tube base (1) includes upper outer tube base (111) and lower outer tube base (112), the upper outer tube base (111) is circular ring structure, and the circular ring of circular ring structure the upper outer tube base (111) is set up and placed hole (116) on the ring area, and the circular ring structure the upper outer tube base (111) is connected with annular clamping plate (113) on the top, the annular clamping plate (113) is set up and placed groove (114) for placing product on, the annular clamping plate (113) is connected with the horizontal clamp (115) for fixing product on the side of placed groove (114), every placed groove (114) with every placed hole (116) is one -to-one and is arranged on the same axis, the lower outer tube base (112) is cylindrical structure, and the cylindrical structure the lower outer tube base (112) is set up and placed oil leakage pipe's clamping slot (117) on, every clamping slot (117) with every placed hole (116) is one -to-one and is arranged on the same axis, The placed hole (116) is connected with the seal ring pipe (2), the upper portion of seal ring pipe (2) is connected and fixed on the upper outer tube base (111) through the fixed component (3), meanwhile the upper portion of seal ring pipe (2) protrudes from the upper outer tube base (111) and is connected with the nozzle of product, the lower portion of seal ring pipe (2) is communicated with one end of oil leakage pipe (4), meanwhile the other end of oil leakage pipe (4) is inserted into the clamping slot (117).

2. A nozzle manifold flow test tool according to claim 1, wherein: The upper outer tube base (111) and the lower outer tube base (112) are integrally formed.

3. A nozzle manifold flow test tool according to claim 1, wherein: The seal ring pipe (2) includes upper seal ring pipe (21) and lower seal ring pipe (22), the upper seal ring pipe (21) is connected with the lower seal ring pipe (22) in butt joint, the outer ring of upper seal ring pipe (21) is connected with the fixed clamping ring block (23) for being connected and fixed on the upper outer tube base (111), the end of lower seal ring pipe (22) is connected with the butt joint pipe (24) for being connected with the oil leakage pipe.

4. A nozzle manifold flow test tool according to claim 3, wherein: The upper seal ring pipe (21) and the lower seal ring pipe (22) are connected by argon arc welding.

5. A nozzle manifold flow test tool according to claim 3, wherein: The upper seal ring pipe (21) and the lower seal ring pipe (22) are connected with the filter screen.

6. A nozzle manifold flow test tool according to claim 3, wherein: The upper seal ring pipe (21) is embedded with the O-shaped sealing ring for forming the seal with the nozzle of product.

7. A nozzle manifold flow test tool according to claim 1, wherein: The upper outer tube base (111) is set up and fixed placing groove (118) for placing fixed clamping ring block (23) on the periphery of placed hole (116).

8. A total nozzle flow test tooling according to claim 1 wherein: The fixed component (3) includes inner pressure ring (31) and outer pressure ring (32), and the inner pressure ring (31) and the outer pressure ring (32) around the outer ring of seal ring pipe (2) are connected on the upper outer tube base (111) by bolt.

9. A nozzle manifold flow test tool according to claim 1, wherein: The annular clamping plate (113) on both sides of placed groove (114) is connected with two horizontal clamps (115), and the horizontal clamp (115) for fixing product is arranged in diagonal line.

10. A nozzle manifold flow test tool according to claim 1, wherein: The upper outer tube base (111) and the lower outer tube base (112) are connected with the auxiliary fixing ring block (119), and the auxiliary fixing ring block (119) is connected with the auxiliary support block (120) for assisting in fixing the external pipeline of product.

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