A nozzle space distance detection device for a turbofan engine part

By designing a nozzle space distance detection device for turbofan engine parts, and utilizing clamping components and dial gauge length measuring tools, the problems of slow speed and high cost of traditional coordinate measuring machine (CMM) inspection methods are solved, achieving efficient and low-cost parts inspection and ensuring stable product quality.

CN224593882UActive Publication Date: 2026-08-04IMPRO AEROSPACE COMPONENTS (WUXI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
IMPRO AEROSPACE COMPONENTS (WUXI) CO LTD
Filing Date
2025-09-03
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Traditional coordinate measuring machine (CMM) inspection methods are slow, costly, and cannot achieve 100% batch production inspection, leading to instability in turbofan engine parts.

Method used

A device for detecting the spatial distance of a pipe opening is designed, including a base plate, a positioning top plate, a standard block, a positioning panel, a clamping assembly, and a measuring assembly. The positioning port of the turbofan engine part is clamped onto the positioning panel by the clamping assembly, and the distance between the pipe opening and the reference point is detected by a dial indicator length measuring tool, replacing the traditional CMM detection.

Benefits of technology

This improved the inspection efficiency of turbofan engine parts, reduced testing costs, and ensured the stability of product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of pipe orifice space distance detection devices for turbofan engine parts, pipe orifice space distance detection device includes: bottom plate, positioning top plate, standard block, positioning panel, compression assembly, measuring assembly and two support vertical boards;Two support vertical boards are vertically set on bottom plate, positioning top plate is erected at the top of two support vertical boards, positioning panel is fixed at the front end of two support vertical boards, standard block is vertically set on bottom plate and between two support vertical boards, positioning top plate is provided with multiple mounting holes, measuring assembly is placed in mounting hole, multiple mounting holes are respectively located the above of standard block and pipe orifice edge, measuring assembly is used to measure the distance difference between standard block and pipe orifice;The center of positioning panel is provided with through-hole, pipe body passes through through-hole and the plane where pipe orifice is horizontal, compression assembly is set on positioning panel.The utility model is suitable for wide product size range, improves the inspection efficiency, and makes product quality stable.
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Description

Technical Field

[0001] This utility model belongs to the field of parts inspection technology, and in particular relates to a device for detecting the spatial distance of the nozzles of turbofan engine parts. Background Technology

[0002] Spatial distance requirements are a typical fundamental characteristic in product design, crucial for accurately assembling parts, and a common feature of this product series. Traditional coordinate measuring machine (CMM) inspection methods are not only slow and costly, but also cannot achieve 100% inspection in mass production, leading to product instability. Summary of the Invention

[0003] This utility model provides a device for detecting the spatial distance of nozzles in turbofan engine parts. It is used to detect the spatial distance of complex seat-type products, which can effectively improve inspection efficiency and reduce inspection costs, thereby solving the technical problems mentioned in the background art.

[0004] The beneficial effects of this utility model are as follows: A device for detecting the spatial distance between the nozzle and the end of a turbofan engine part, wherein the turbofan engine part includes a tube body, a positioning port, a nozzle, and a positioning hole, wherein the positioning port and the nozzle are located at both ends of the tube body, and the positioning port is provided with a positioning hole. The pipe opening spatial distance detection device includes: a base plate, a positioning top plate, a standard block, a positioning panel, a clamping assembly, a measuring assembly, and two supporting upright plates; Both support plates are vertically mounted on the base plate. The positioning top plate is mounted on the top of the two support plates. The positioning panel is fixed to the front end of the two support plates. The standard block is vertically mounted on the base plate and located between the two support plates. The positioning top plate is provided with multiple mounting holes. The measuring component is placed in the mounting holes. The multiple mounting holes are respectively located above the standard block and the edge of the pipe opening. The measuring component is used to measure the distance difference between the standard block and the pipe opening. The positioning panel has a through hole at its center, the tube passes through the through hole and the plane where the tube opening is located is horizontal, and the clamping component is disposed on the positioning panel to clamp the positioning port to the positioning panel.

[0005] Furthermore, a positioning pin is provided around the through hole, and the positioning pin is placed inside the positioning hole.

[0006] Furthermore, the clamping assembly includes clamps, a pressure plate, and a pressure rod. The clamps are fixed on the positioning panel and located on one side of the through hole. A pressure head is provided on the connecting rod of the clamps. One end of the pressure rod is connected to the pressure plate, and one end of the pressure rod is placed in the positioning hole. The pressure head abuts against the side of the pressure plate opposite to the pressure rod.

[0007] Furthermore, a pad is fixed to the bottom of the clamp, and the pad is fixed to the positioning panel.

[0008] Furthermore, the measuring component includes: a dial gauge length measuring tool and a mounting sleeve, wherein the probe of the dial gauge length measuring tool passes through the mounting sleeve, and the mounting sleeve is embedded in the mounting hole.

[0009] Furthermore, the mounting sleeve includes: a positioning sleeve, an elastic sleeve, and a set screw. The positioning sleeve has a first sleeve at its upper part and a second sleeve at its lower part. The outer diameter of the second sleeve matches the diameter of the mounting hole. The outer diameter of the first sleeve is larger than the outer diameter of the second sleeve. The elastic sleeve is disposed inside the first sleeve. The set screw is threaded onto the side wall of the first sleeve and abuts against the elastic sleeve.

[0010] The beneficial effects of this utility model are as follows: This utility model uses a clamping assembly to press the positioning port of the turbofan engine part onto the positioning panel, thereby ensuring that the nozzle of the turbofan engine part is set in parallel, and uses a dial indicator distance detection tool to detect the distance between the nozzle and the reference point.

[0011] This utility model utilizes functional gauges to control dimensions based on product structure and size requirements. It is used to detect the distance from the reference point to the product nozzle, and is applicable to a wide range of product sizes without the need for CMM inspection, thus improving inspection efficiency and ensuring stable product quality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the turbofan engine parts in this utility model.

[0013] Figure 2 This is a cross-sectional view of a turbofan engine component in this utility model.

[0014] Figure 3 This is a schematic diagram of the positioning port of the turbofan engine part in this utility model.

[0015] Figure 4 This is one of the front views of the pipe opening spatial distance detection device of this utility model.

[0016] Figure 5 This is a side view of the pipe opening spatial distance detection device of this utility model.

[0017] Figure 6 This is a top view of the pipe opening spatial distance detection device of this utility model.

[0018] Figure 7 This is the second front view of the pipe opening spatial distance detection device of this utility model. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0020] In the technical solution of this utility model, Figure 4 , Figure 5 , Figure 6 , Figure 7 This is a schematic diagram showing the specific structure of a device for detecting the spatial distance between the nozzles of turbofan engine parts according to the present invention.

[0021] like Figure 1 , Figure 2 and Figure 3 As shown, the turbofan engine parts specifically include: tube body 01, positioning port 02, and pipe opening 03. The positioning port 02 and pipe opening 03 are located at both ends of the tube body 01, respectively. The positioning port 02 is provided with a positioning hole 04. Specifically, the positioning port is provided with a positioning hole on one side and a pressing surface on the other side, which is provided with a corresponding positioning hole 04.

[0022] like Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the pipe opening spatial distance detection device of this utility model includes: a base plate 7, a positioning top plate 2, a standard block 3, a positioning panel 4, a pressing component 5, a measuring component 1, and two supporting upright plates 8.

[0023] Both supporting plates 8 are vertically mounted on the base plate 7. The positioning top plate 2 is mounted on top of the two supporting plates 8. The positioning panel 4 is fixed to the front end of the two supporting plates 8. The standard block 3 is vertically mounted on the base plate 7 and located between the two supporting plates 8. The positioning top plate 2 has multiple mounting holes 21. The measuring component 1 is placed in the mounting holes 21. The mounting holes 21 are located above the standard block 3 and the edge of the pipe opening 03, respectively. The measuring component 1 is used to measure the distance between the top of the standard block 3 and the pipe opening 03. The measuring component 1 can be removed from the mounting holes and placed into different mounting holes as needed to measure the distance data of different points. The top of the standard block 3 is used as a reference point to measure different positions on the edge of the pipe opening.

[0024] The positioning panel 4 has a through hole 41 at its center. The tube body 01 passes through the through hole 41 and the plane where the tube opening 03 is located is horizontal. Specifically, the positioning panel 4 is set at an angle. The specific angle is designed according to the shape of the tube body so that the tube opening 03 is horizontal when the tube body passes through the through hole and is pressed by the pressing component 5.

[0025] The clamping component 5 is disposed on the positioning panel 4, and the clamping component 5 is used to clamp the positioning port 02 to the positioning panel 4.

[0026] like Figure 6 As shown, positioning pins 42 are provided around the through hole 41, and the positioning pins 42 are placed inside the positioning hole 04. The positioning pins 42 play a positioning role for the positioning port 02.

[0027] In one embodiment of this utility model, the clamping assembly 5 includes a clamp 51, a pressure plate 52, and a pressure rod 53. The clamp 51 is fixed on the positioning panel 4 and located on one side of the through hole 41. A pressure head 54 is provided on the connecting rod of the clamp 51. One end of the pressure rod 53 is connected to the pressure plate 52, and the other end of the pressure rod 53 is placed in the positioning hole 04. The pressure head 54 abuts against the side of the pressure plate 52 opposite to the pressure rod 53. The clamp drives the pressure head 54 to press down in the direction of the positioning panel 4, thereby abutting against the side of the pressure plate 52 opposite to the pressure rod 53. Pressure is provided to the positioning panel 4 through the pressure rod. The pressure rod 53 corresponds to the positioning point of the positioning panel. The positioning point is a plane, which better receives the pressure provided by the pressure rod.

[0028] In one embodiment of this utility model, a pad 6 is fixed to the bottom of the clamp 51, and the pad is fixed to the positioning panel 4. The pad is used to adjust the position of the clamp so that it can provide pressure better. The pad is fixed to the positioning panel 4 by screws, and the clamp is also fixed to the pad by screws.

[0029] In one embodiment of this utility model, the measuring component 1 includes a dial indicator length measuring tool 11 and a mounting sleeve 12. The probe of the dial indicator length measuring tool 11 passes through the mounting sleeve 12, and the mounting sleeve 12 is embedded in the mounting hole 21. The mounting sleeve 12 is used to mount the dial indicator length measuring tool 11, fixing it in the mounting hole and preventing it from shaking.

[0030] The mounting sleeve 12 includes a positioning sleeve 121, an elastic sleeve 122, and a set screw 123. The positioning sleeve 121 has a first sleeve 124 at its upper part and a second sleeve 125 at its lower part. The outer diameter of the second sleeve 125 matches the diameter of the mounting hole 21. The outer diameter of the first sleeve 124 is larger than the outer diameter of the second sleeve 125. The elastic sleeve 122 is disposed inside the first sleeve 124. The set screw 123 is threaded onto the side wall of the first sleeve 124 and abuts against the elastic sleeve 122. The set screw 123 abuts against the elastic sleeve, which is then fitted onto the probe of the dial indicator length measuring tool 11. Tightening the set screw 123 compresses the elastic sleeve to fix the dial indicator length measuring tool. The dial indicator length measuring tool can be a dial gauge.

[0031] The usage process of this utility model is as follows: Pass the tube body of the turbofan engine part through the through hole, align the positioning hole on the positioning panel 4 with the positioning pin, align the pressure rod with the positioning point, and press the positioning panel of the turbofan engine part with clamps. After installation, install the dial indicator inside the mounting sleeve. First, place the dial indicator in the mounting hole above the standard block and measure the current standard value. Then, place the dial indicator in the multiple mounting holes above the tube opening in sequence, measure the value at the tube opening, compare it with the standard value, and determine the distance between the tube opening and the standard block.

[0032] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A device for detecting the spatial distance between the nozzles of a turbofan engine component, the turbofan engine component comprising a tube body (01), a positioning port (02), and a nozzle (03), wherein the positioning port (02) and the nozzle (03) are located at both ends of the tube body (01), and a positioning hole (04) is provided on the positioning port (02). characterized in that The pipe opening space distance detection device includes: a base plate (7), a positioning top plate (2), a standard block (3), a positioning panel (4), a clamping component (5), a measuring component (1), and two supporting upright plates (8); Both of the support plates (8) are vertically mounted on the base plate (7). The positioning top plate (2) is mounted on the top of the two support plates (8). The positioning panel (4) is fixed to the front end of the two support plates (8). The standard block (3) is vertically mounted on the base plate (7) and located between the two support plates (8). The positioning top plate (2) is provided with multiple mounting holes (21). The measuring component (1) is placed in the mounting holes (21). The multiple mounting holes (21) are located above the standard block (3) and the edge of the pipe opening (03). The measuring component (1) is used to measure the distance between the top of the standard block (3) and the pipe opening (03). The positioning panel (4) has a through hole (41) at its center. The tube body (01) passes through the through hole (41) and the tube opening (03) is horizontal. The clamping component (5) is disposed on the positioning panel (4) and is used to clamp the positioning port (02) to the positioning panel (4).

2. The stub-to-structure clearance detection apparatus for a turbofan engine component of claim 1, wherein, The through hole (41) is surrounded by a positioning pin (42), which is placed inside the positioning hole (04).

3. The stub-to-structure clearance detection apparatus for a turbofan engine component of claim 1, wherein, The clamping assembly (5) includes a clamp (51), a pressure plate (52), and a pressure rod (53). The clamp (51) is fixed on the positioning panel (4) and located on one side of the through hole (41). A pressure head (54) is provided on the connecting rod of the clamp (51). One end of the pressure rod (53) is connected to the pressure plate (52). One end of the pressure rod (53) is placed in the positioning hole (04). The pressure head (54) abuts against the side of the pressure plate (52) away from the pressure rod (53).

4. The stub-to-structure clearance detection apparatus for a turbofan engine component of claim 3, wherein, The bottom of the clamp (51) is fixed with a pad (6), which is fixed on the positioning panel (4).

5. The stub-to-structure clearance detection apparatus for a turbofan engine component of claim 1, wherein, The measuring component (1) includes a dial length measuring tool (11) and a mounting sleeve (12), wherein the probe of the dial length measuring tool (11) is inserted into the mounting sleeve (12), and the mounting sleeve (12) is embedded in the mounting hole (21).

6. The stub-to-structure clearance detection apparatus for a turbofan engine component of claim 5, wherein, The mounting sleeve (12) includes: a positioning sleeve (121), an elastic sleeve (122), and a set screw (123). The positioning sleeve (121) has a first sleeve (124) at its upper part and a second sleeve (125) at its lower part. The outer diameter of the second sleeve (125) matches the diameter of the mounting hole (21). The outer diameter of the first sleeve (124) is larger than the outer diameter of the second sleeve (125). The elastic sleeve (122) is disposed inside the first sleeve (124). The set screw (123) is threaded onto the side wall of the first sleeve (124) and abuts against the elastic sleeve (122).