Spray rod performance detection tool

By designing a performance testing fixture for spray booms, a weld-free testing method for spray booms is achieved using a base, sealing components, and clamping components. This solves the problems of resource waste and high costs in spray boom testing, improves testing efficiency, and reduces production costs.

CN223741951UActive Publication Date: 2025-12-30SET UP AVIATION TECH (GUIYANG) CO LTD
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Patent Information

Application Number
CN202520236829.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-30
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

In existing technologies, spray bar testing requires welding the nozzle to the spray bar, which means that if the test fails, the nozzle needs to be cut off and replaced, resulting in wasted resources and increased costs.

Method used

Design a spray bar performance testing fixture, including a base, a sealing component, and a clamping component. The nozzle and spray bar are fixed by sealing and clamping, without welding, and the performance is tested by using hydraulic equipment for clamping.

Benefits of technology

It enables accurate inspection without welding, reduces production costs, avoids damage to parts, and improves inspection efficiency and economy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spray rod performance detection tool, comprising a pedestal, the top of which is provided with a mounting groove, the bottom of which is provided with a mounting hole, and the top of which is provided with a circle of spacing groove; the sealing assembly is detachably embedded in the mounting groove; and the clamping assembly is arranged above the mounting groove. The detection tool is simple in structure, convenient to operate and accurate in detection, performance detection can be carried out on the spray head and the spray rod without welding connection of the spray head and the spray rod, and the production cost is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to part detection technical field especially relates to a spray bar performance detection frock. BACKGROUND

[0002] The spray bar is an important component of an aeroengine, such as Figure 1 As shown in the spray bar, one end is connected with an oil inlet connector, the other end is connected with a spray head after being bent by 90 degrees, and a ring of convex rings is arranged on the outer periphery of the spray head. The spray bar needs to be detected after being processed and formed, and if the detection is unqualified after the spray head is welded and connected with the spray bar, the spray head needs to be cut off and replaced. During repeated debugging of the spray bar, the base of the welded part will be gradually shortened until it is scrapped. The spray bar is a forge piece, and the manufacturing cycle is long and the cost is high. Therefore, it is urgent to design a frock which can detect the performance of the spray bar without welding and connecting the spray head with the spray bar. SUMMARY

[0003] In view of the above defects or deficiencies in the prior art, it is expected to provide a spray bar performance detection frock which is simple in structure, convenient to operate, accurate in detection, and can detect the performance of the spray bar without welding and connecting the spray head with the spray bar, greatly reducing the production cost.

[0004] The utility model provides a spray bar performance detection frock, which comprises:

[0005] A base is provided with a mounting groove in the top, a mounting hole penetrating through the bottom of the base is formed in the bottom of the mounting groove, the inner diameter of the mounting hole is matched with the outer diameter of the spray head with a gap, and a circle of limiting grooves is formed in the top end of the mounting hole corresponding to the convex rings on the spray head;

[0006] A sealing assembly is detachably embedded in the mounting groove for sealing butt joint of the spray bar and the spray head;

[0007] A clamping assembly is arranged above the mounting groove for fixing and clamping the curved part of the spray bar.

[0008] Further, the sealing assembly comprises a sealing sleeve, an upper embedding groove is formed in the top end of the sealing sleeve, a lower embedding groove coaxial with the upper embedding groove is formed in the bottom end of the sealing sleeve, the upper embedding groove and the lower embedding groove are communicated through a through hole, a circle of upper sealing rings is embedded in the inner periphery of the upper embedding groove, and a circle of lower sealing rings is embedded in the inner periphery of the lower embedding groove.

[0009] Further, the clamping assembly comprises a first clamping block and a second clamping block, a clamping groove matched with the curved part of the spray bar is formed in the opposite wall surfaces of the first clamping block and the second clamping block, the first clamping block and the second clamping block are fixedly connected through a plurality of screws, and the top of the first clamping block and the second clamping block is a horizontal pressing surface.

[0010] Further, the base, sealing sleeve and clamping assembly are made of stainless steel material.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The detection tool of the utility model is provided with a base, a sealing assembly and a clamping assembly; when the performance of the spray rod is detected, the spray head is first sealed and connected with the spray rod through the sealing assembly, then the spray head is embedded into the mounting hole, and the sealing assembly is embedded into the mounting groove; then the clamping assembly is used to clamp the bent part of the spray rod, and the hydraulic equipment is pressed on the top of the clamping assembly, so that the stability of the connection between the spray head and the spray rod is ensured.

[0013] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments made with reference to the following drawings:

[0015] Figure 1 It is a structure schematic view of the spray rod;

[0016] Figure 2 It is a structure schematic view of the detection tool;

[0017] Figure 3 It is an explosion structure schematic view of the detection tool;

[0018] Figure 4 It is a cross-section structure schematic view of the sealing assembly;

[0019] Figure 5 It is a structure schematic view of the spray rod installed on the detection tool;

[0020] Figure 6 It is a cross-section structure schematic view of the spray rod installed on the detection tool.

[0021] Reference signs in the drawings: 1, base; 2, sealing assembly; 3, clamping assembly; 4, spray rod;

[0022] 11, mounting groove; 12, mounting hole; 13, limiting groove;

[0023] 21, sealing sleeve; 22, upper slot; 23, lower slot; 24, through hole; 25, upper sealing ring; 26, lower sealing ring;

[0024] 31, first clamping block; 32, second clamping block; 33, clamping groove; 34, screw; 35, pressing surface;

[0025] 41, oil inlet nozzle; 42, spray head; 43, convex ring; 44, curved portion. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail below by combining with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not limited to the utility model. In addition, it needs to be explained that only the parts related to the utility model are shown in the drawings for the convenience of description.

[0027] It needs to be explained that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be explained in detail below by combining with the drawings and embodiments.

[0028] Please refer to Figures 1-6 The embodiment of the utility model provides a kind of spray rod performance detection tool, comprising:

[0029] Base 1, top is provided with mounting slot 11, the bottom of mounting slot 11 is provided with installation hole 12 that passes to the bottom of base 1, the inside diameter of installation hole 12 and the outer diameter of spray head 42 gap cooperation, the top of installation hole 12 is provided with a circle limit slot 13 corresponding convex ring 43 on spray head 42;

[0030] Sealing assembly 2, separable embedding in mounting slot 11, for the sealing butt joint of spray rod 4 and spray head 42;

[0031] Clamping assembly 3, it is set up above mounting slot 11, for the curved portion 44 of spray rod 4 is fixed clamping.

[0032] In the embodiment, when the performance of spray rod 4 is detected, first, spray head 42 and spray rod 4 are sealed butt joint by sealing assembly 2, then spray head 42 is embedded in installation hole 12, and sealing assembly 2 is embedded in mounting slot 22;Then the curved portion 44 of spray rod 4 is clamped by clamping assembly 3, at this time, the curved portion 44 is located directly above the butt joint portion of spray head 42 and spray rod 4, the butt joint portion of spray head 42 and spray rod 4 is pressed and fixed by being pressed on the top of clamping assembly 3 by hydraulic equipment, and clamping assembly 3 avoids the problem that the surface of spray rod 4 is damaged by being directly pressed on spray rod 4 by hydraulic equipment, to ensure the stability of the butt joint of spray head 42 and spray rod 4. Then the oil inlet nozzle 41 is connected with tester by hose, and the tester injects high-pressure test medium into spray rod 4 to detect its performance.

[0033] The detection tool of the application has simple structure, convenient operation and accurate detection, and the performance of the nozzle 42 and the spray rod 4 can be detected without welding connection, thereby avoiding the problem that the parts need to be damaged when the detection is not qualified after welding, and greatly reducing the production cost.

[0034] In a preferred embodiment, as shown in Figure 3 and Figure 4 , the sealing assembly 2 comprises a sealing sleeve 21, the top end of the sealing sleeve 21 is provided with an upper embedding groove 22, the bottom end is provided with a lower embedding groove 23 coaxial with the upper embedding groove 22, the upper embedding groove 22 and the lower embedding groove 23 are communicated through a through hole 24, a circle of upper sealing rings 25 is embedded in the inner periphery of the upper embedding groove 22, and a circle of lower sealing rings 26 is embedded in the inner periphery of the lower embedding groove 23.

[0035] In this embodiment, when the nozzle 42 and the spray rod 4 are sealed and butt-jointed, the end of the spray rod 4 is inserted into the upper embedding groove 22, and then the nozzle 42 is inserted into the lower embedding groove 23, so that the upper sealing ring 25 and the lower sealing ring 26 form a seal on the butt-joint part of the nozzle 42 and the spray rod 4, which is convenient to operate and has good sealing effect.

[0036] In a preferred embodiment, as shown in Figure 3 and Figure 6 , the clamping assembly 3 comprises a first clamping block 31 and a second clamping block 32, the opposite wall surfaces of the first clamping block 31 and the second clamping block 32 are provided with clamping grooves 33 matched with the curved part 44 of the spray rod 4, the first clamping block 31 and the second clamping block 32 are fixedly connected through a plurality of screws 34, and the top of the first clamping block 31 and the second clamping block 32 is a horizontal pressing surface 35.

[0037] In this embodiment, when the curved part 44 is fixedly clamped, the first clamping block 31 is arranged on one side of the curved part 44, so that one side of the curved part 44 is embedded in the clamping groove 33 on the first clamping block 31; then the second clamping block 32 is arranged on the other side of the curved part 44, so that the other side of the curved part 44 is embedded in the clamping groove 33 on the second clamping block 32; then the first clamping block 31 and the second clamping block 32 are fixedly connected through the screws 34, and the curved part 44 is fixedly clamped through the clamping grooves 33. At this time, the hydraulic equipment is pressed on the pressing surface 35, so that the butt-joint part of the nozzle 42 and the spray rod 4 is tightly fixed, and the performance detection of the spray rod 4 can be carried out. The nozzle 42 and the spray rod 4 do not need to be welded, which is convenient to operate and reduces the production cost.

[0038] In a preferred embodiment, the base 1, the sealing sleeve 21 and the clamping assembly 3 are all made of stainless steel material, which has high structural strength, is not easy to deform, is not easy to rust, and has long service life.

[0039] In the description of the present specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0040] In the description of the present specification, the description of the terms "one embodiment", "some embodiments" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A spray bar performance detection tool, characterized in that, The utility model relates to a nozzle sealing and clamping device, including: The base (1) top is provided with the installation groove (11), the bottom of installation groove (11) is provided with the installation hole (12) through to the bottom of base (1), the inside diameter of installation hole (12) and the outer diameter of nozzle (42) gap fit, the top of installation hole (12) is provided with a circle of limit slot (13) corresponding convex ring (43) on nozzle (42); Sealing assembly (2) can be separated and embedded in installation groove (11), is used for the sealing butt joint of spray bar (4) and nozzle (42); Clamping assembly (3) is arranged above installation groove (11), is used for the fixed clamping of the bending part (44) of spray bar (4).

2. The spray bar performance detection tooling of claim 1, wherein, The sealing assembly (2) includes a sealing sleeve (21), the top of sealing sleeve (21) is provided with upper embedding groove (22), the bottom is provided with lower embedding groove (23) with upper embedding groove (22) coaxial, upper embedding groove (22) and lower embedding groove (23) are communicated through through-hole (24), the inner periphery of upper embedding groove (22) is embedded with a circle of upper sealing ring (25), the inner periphery of lower embedding groove (23) is embedded with a circle of lower sealing ring (26).

3. The spray bar performance detection tooling of claim 1, wherein, The clamping assembly (3) includes a first clamping block (31) and a second clamping block (32), the opposite wall surface of the first clamping block (31) and the second clamping block (32) is provided with a clamping groove (33) matched with the bending part (44) of the spray bar (4), the first clamping block (31) and the second clamping block (32) are fixedly connected through a plurality of screws (34), and the top of the first clamping block (31) and the second clamping block (32) is a horizontal pressing surface (35).

4. The spray bar performance detection tooling of claim 2, wherein, The base (1), the sealing sleeve (21) and the clamping assembly (3) are all made of stainless steel material.