CN115890518A - Combined tool for fluorescence permeation detection of disc ring type parts - Google Patents
Combined tool for fluorescence permeation detection of disc ring type parts Download PDFInfo
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- CN115890518A CN115890518A CN202211436078.9A CN202211436078A CN115890518A CN 115890518 A CN115890518 A CN 115890518A CN 202211436078 A CN202211436078 A CN 202211436078A CN 115890518 A CN115890518 A CN 115890518A
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- lifting hook
- nylon sleeve
- combined tool
- disc
- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 239000004677 Nylon Substances 0.000 claims abstract description 64
- 229920001778 nylon Polymers 0.000 claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 230000035515 penetration Effects 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910000746 Structural steel Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The combined tool for the fluorescence permeation detection of the disc ring type parts comprises a lifting hook and a nylon sleeve, wherein a groove is formed in the outer wall of the nylon sleeve; when the lifting hook is used, the connecting end of the lifting hook is inserted into the connecting rod of the running trolley on the production line, and the lifting hook is connected with the connecting rod of the running trolley in a matching way; the nylon sleeve is sleeved on the hoisting end of the lifting hook, and the disc ring type part is arranged in the groove of the nylon sleeve; the high-pressure turbine disc part is hung at the groove part of the nylon sleeve, so that the part is well fixed, and the part cannot be violently shaken or swayed in the running process of the self-propelled trolley. When the combined tool is used in the fluorescence permeation detection process of the disc-ring parts, the fluorescent liquid is easier to clean and remove, the problem of pollution caused by residual fluorescent liquid in the inner cavity of the part is effectively avoided, the detection efficiency is improved, and the detection quality is stable and reliable. In addition, the nylon sleeve is simple to install, convenient to replace, extremely low in cost, good in using effect and wide in practicability.
Description
Technical Field
The invention belongs to the technical field of nondestructive testing, and particularly relates to a combined tool used in fluorescence penetration testing of disc and ring parts and a using method thereof.
Background
The reliability of the quality of the disc-ring type part as a heavy part in an aircraft engine is directly related to the service life of the aircraft engine. Particularly, turbine disc parts work in a harsh environment with high temperature, high load and high rotating speed, the quality acceptance requirement is severe, and multiple times of nondestructive detection work mainly comprising penetration detection, ultrasonic detection and the like is required in the production and manufacturing process.
At present, the fluorescence penetration detection of disc ring parts generally adopts a semi-automatic or automatic production line, and the parts are hoisted by adopting special tools so as to realize the operation of the parts between different detection stations. The fluorescence permeation detection tool for the disc ring type parts is generally formed by welding stainless steel, and the surface of the stainless steel tool is wrapped with a layer of polyurethane with the thickness of 2mm, so that the direct contact between the parts and the stainless steel tool in the detection process is avoided, and the purpose of product protection is realized. The problem of high manufacturing cost of a layer of polyurethane wrapped with plastic on the surface of a stainless steel tool exists, and the polyurethane can be damaged when the stainless steel tool is used for about half a year; after polyurethane is damaged, a large amount of fluorescent liquid can be remained at the damaged part during fluorescent penetrant detection, and the fluorescent liquid remained at the damaged part can pollute the surface of a part in the detection process, thereby causing interference on detection and evaluation of the surface defects of the part and generating adverse influence on the accuracy of a detection result.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a combined tool for detecting the fluorescence permeation of disc-ring type parts, so that the combined tool combining stainless steel and nylon sleeves is adopted during the fluorescence permeation detection of the disc-ring type parts, and the aims of improving the detection efficiency and the accuracy of detection results are fulfilled.
The invention is realized by the following technical scheme:
the combined tool for fluorescence permeation detection of the discoid parts comprises a lifting hook and a nylon sleeve, wherein a groove is formed in the outer wall of the nylon sleeve; when the lifting hook is used, the connecting end of the lifting hook is inserted into the connecting rod of the running trolley on the production line, and the lifting hook is connected with the connecting rod of the running trolley through the matching of the cotter pin and the bolt; the nylon sleeve is sleeved on the hoisting end of the lifting hook, and the disc ring parts are arranged in the groove of the nylon sleeve;
preferably, bosses are arranged on two sides of the nylon sleeve, and a height difference exists between the bosses and the grooves to form a slope.
Preferably, the inner wall of the nylon sleeve is of a sawtooth structure.
Preferably, the bolt is aligned with bolt holes of a connecting rod and a lifting hook of the running trolley, the bolt is inserted into the bolt holes, and the bolt is fixed by a cotter pin, wherein the cotter pin meets the requirement of GB/T91.
Preferably, the end opening of the cotter pin is in a herringbone opening structure after the bolt is fixed.
Preferably, the lifting hook is formed by welding stainless steel seamless steel tubes, and the plug is formed by processing high-strength low-alloy structural steel.
Preferably, the hook includes a hook of a single hook structure and a hook of a multi-hook structure.
Preferably, the hooks of the multi-hook structure are of an I-shaped structure.
Preferably, the hook has a surface finish of at least
Preferably, the nylon sleeve is made of a hard nylon material, and a black nylon material is preferred.
Compared with the prior art, the invention has the following beneficial technical effects:
the special tool for detecting the fluorescence permeation of the disc-ring type parts is mainly composed of the lifting hook and the nylon sleeve, is simple in structure, low in manufacturing cost, convenient and practical, and ensures that the high-pressure turbine disc parts are hung at the groove parts of the nylon sleeve to be fixed well and not to shake or swing violently in the running process of the self-propelled trolley. The combined tool is used in the fluorescence permeation detection process of the disc-ring parts, fluorescent liquid is easier to clean and remove, the problem of pollution caused by residual fluorescent liquid in the inner cavity of the part is effectively avoided, the detection efficiency is improved, and the detection quality is stable and reliable. In addition, the nylon sleeve is simple to install, convenient to replace, extremely low in cost, good in using effect and wide in practicability.
Furthermore, the outer diameter of the nylon sleeve is of a groove structure, so that the nylon sleeve can play a role of fixing the disc ring type part;
furthermore, the inner diameter of the nylon sleeve can be conveniently matched with a lifting hook for use, and the inner diameter adopts a zigzag structure, so that the fluorescent liquid is convenient to clean and remove.
Drawings
FIG. 1 is a schematic view of a special tooling for a turbine disk;
FIG. 2 is a schematic view of a tool dedicated for a disc part; wherein, figure (a) is a front view, figure (b) is a side view, figure (c) is a structure view,
FIG. 3 is a schematic view of a specific nylon jacket for a turbine disk;
FIG. 4 is a schematic view of a nylon sleeve specially used for a disc part.
In the figure: the lifting hook comprises a lifting hook 1, a bolt 2 and a cotter pin 3.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A combined tool for fluorescence permeation detection of a disc ring part comprises a lifting hook 1 and a nylon sleeve, wherein a groove is formed in the outer wall of the nylon sleeve, and the outer diameter of the nylon sleeve is of a groove structure and can play a role of fixing the disc ring part; when the lifting hook is used, the connecting end of the lifting hook 1 is inserted into a connecting rod of a running trolley on a production line, and the lifting hook 1 is connected with the connecting rod of the running trolley through a bolt mechanism; the nylon sleeve is sleeved on the hoisting end of the hoisting hook 1, and the disc ring parts are arranged in the grooves of the nylon sleeve. The inner diameter of the nylon sleeve can be conveniently matched with the lifting hook 1 for use, and the nylon sleeve needs to be designed and machined according to different part thicknesses and inner diameter sizes.
The both sides of nylon cover are provided with the boss, there is the certain slope between boss and the recess.
The inner wall of the nylon sleeve is of a sawtooth structure, so that the fluorescent liquid can be conveniently cleaned and removed.
The bolt mechanism comprises a bolt 2 and a cotter pin 3, the bolt hole of the connecting rod of the running trolley and the bolt hole of the lifting hook 1 are aligned, the bolt 2 is inserted into the bolt hole, and the bolt is fixed by the cotter pin 3. And an opening at the end part of the cotter pin 3 is a herringbone opening after the bolt 2 is fixed. The lifting hook 1 is formed by welding stainless steel seamless steel tubes. The bolt 2 is made of high-strength low-alloy structural steel through machining. The lifting hook 1 and the bolt 2 both have certain strength and hardness to better support parts;
the lifting hook 1 comprises a lifting hook with a single-hook structure and a lifting hook with a multi-hook structure. The lifting hook of the single-hook structure is in a hook shape, the lifting hook of the multi-hook structure is in an I-shaped structure, the stability and the balance of the bearing force of the lifting hook of the multi-hook structure are guaranteed, a supporting pull rod is further arranged between a bearing rod and a connecting rod of the lifting hook of the multi-hook structure, the stable connection is guaranteed, and the bearing rod is connected with the connecting rod and the supporting pull rod in a welding mode;
of said hook 1A surface finish of at least
And the fluorescent liquid is ensured to be less remained on the surface of the lifting hook during fluorescent penetration detection under the combined action of capillary action and gravity, so that the adverse effect of the remained fluorescent liquid on the surface of the lifting hook on the detection and evaluation of parts is reduced.
In the case of the example 1, the following examples are given,
and manufacturing a special tool. The special tool is shown in fig. 1 and fig. 2, and mainly comprises a lifting hook 1, a plug pin 2 and a cotter pin 3. When the lifting hook is used, the lifting hook 1 is inserted into a connecting rod of a running trolley on a production line, the bolt holes of the connecting rod of the running trolley and the lifting hook 1 are aligned, the bolt 2 is inserted into the bolt holes, the bolt is fixed by the split pin 3, and the split pin is opened downwards to form a herringbone opening after the bolt is fixed. The lifting hook 1 is formed by welding stainless steel seamless steel pipes, and the surface smoothness of the lifting hook 1 is required to at least reach
The bolt 2 is machined from high-strength alloy structural steel.
Making a special nylon sleeve. The special nylon sleeve is designed and machined according to the thickness and the inner diameter of different parts as shown in figure 3. The outer diameter of the nylon sleeve is of a groove structure, and the nylon sleeve can play a role of fixing a disc ring type part; the inner diameter of the nylon sleeve can be conveniently matched with the lifting hook 1 for use, and the inner diameter adopts a zigzag structure, so that the fluorescent liquid is convenient to clean and remove. The inner diameter of the special nylon sleeve customized according to the outline size of the part in fig. 3 is 80mm in diameter, the diameter distance of the bottom of the groove is 90mm, the width of the bottom of the groove is 10mm, the diameter of the protruding part is 100mm, and the axial dimension of the nylon sleeve is 120mm.
And sleeving the special nylon sleeve into the part for hoisting the part by the special tool lifting hook 1 to form a combined tool, and then hanging the disc-ring parts on the nylon sleeve. The parts are required to be matched with the nylon sleeves, the nylon sleeves can play a role in fixing the parts, and the parts cannot shake or swing violently in the running process of the self-propelled trolley.
In the case of the example 2, the following examples are given,
a manufacturing and using method of a combined tool for fluorescence penetration detection of a disc ring part is described by taking a certain type of aircraft engine high-pressure turbine disc part as an example, and comprises the following steps:
the special tool is manufactured as shown in the attached figure 1 and mainly comprises a lifting hook 1, a plug pin 2 and a cotter pin 3. The lifting hook 1 is formed by welding stainless steel seamless steel pipes, the bolt 2 is formed by machining high-strength alloy structural steel, and the split pin 3 meets the requirement of GB/T91.
The nylon sleeve shown in the attached figure 3 is designed and manufactured by combining the thickness and the inner diameter size of a certain type of aeroengine high-pressure turbine disk part, and the nylon sleeve is generally made of hard nylon materials, preferably black nylon materials with small light reflection under a black light lamp. The inner diameter of the special nylon sleeve customized according to the outline size of the part in FIG. 4 is 50mm in diameter, the diameter distance of the bottom of the groove is 60mm, the width of the bottom of the groove is 10mm, the diameter of the bulge is 100mm, and the axial dimension of the nylon sleeve is 60mm;
the lifting hook 1 is inserted into a connecting rod of a running trolley on a production line, the bolt holes of the connecting rod of the running trolley and the lifting hook 1 are aligned, the bolt 2 is inserted into the bolt holes, the bolt is fixed by the split pin 3, and the split pin is opened downwards to form a herringbone opening after the bolt is fixed.
And sleeving a special nylon sleeve into the lower end of the lifting hook 1 to complete the combination of the combined tool.
The high-pressure turbine disc part is hung at the groove part of the nylon sleeve, so that the part is well fixed, and the part cannot be violently shaken or swayed in the running process of the self-propelled trolley.
The embodiment is as follows: selecting a certain type of aircraft engine high-pressure turbine disc as an example, designing and manufacturing a special tool and a special nylon sleeve according to the steps, and after the special tool and the special nylon sleeve are combined, hanging and fluorescence penetration detection of parts are carried out. In the detection process, the special tool is well matched with the special nylon sleeve, the combination is convenient, and the part is easy to rotate when cleaning and removing the redundant fluorescent liquid on the surface of the part; when the detection and evaluation are carried out in a darkroom, the residual fluorescent liquid at the inner diameter part of the part is less, the defect display is visual, and the detection quality is stable and reliable.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The combined tool for the fluorescence permeation detection of the disc ring type parts is characterized by comprising a lifting hook (1) and a nylon sleeve, wherein a groove is formed in the outer wall of the nylon sleeve; when the lifting hook is used, the connecting end of the lifting hook (1) is inserted into a connecting rod of a running trolley on a production line, and the lifting hook (1) is connected with the connecting rod of the running trolley through the matching of the bolt (2) and the cotter pin (3); the nylon sleeve is sleeved on the hoisting end of the lifting hook (1), and the disc ring parts are arranged in the grooves of the nylon sleeve.
2. The combined tool for fluorescence penetration detection of disc ring type parts according to claim 1, wherein bosses are arranged at two ends of the nylon sleeve, and a height difference exists between the bosses and the grooves to form a slope.
3. The combined tool for fluorescence permeation detection of disc-ring type parts according to claim 1, wherein an inner wall of the nylon sleeve is of a saw-toothed structure.
4. The combined tool for fluorescence penetration detection of disc ring parts according to claim 1, wherein the bolt (2) is aligned with bolt holes of a connecting rod and a lifting hook (1) of a running trolley, the bolt (2) is inserted into the bolt holes, and the bolt is fixed by a cotter pin (3), wherein the cotter pin (3) meets the requirements of GB/T91.
5. The combined tool for fluorescence penetration detection of disc ring parts according to claim 1, wherein an opening at the end of the cotter pin (3) is in a herringbone opening structure after the bolt (2) is fixed.
6. The combined tool for fluorescence penetration detection of disc ring parts according to claim 1, wherein the lifting hook (1) is formed by welding stainless steel seamless steel tubes, and the plug pin (2) is formed by processing high-strength low-alloy structural steel.
7. The combined tool for fluorescence penetration detection of disc ring type parts according to claim 1, wherein the lifting hook (1) comprises a single-hook structure lifting hook and a multi-hook structure lifting hook.
8. The combined tool for fluorescence penetration detection of disc ring type parts according to claim 7, wherein the lifting hook of the multi-hook structure is of an I-shaped structure.
9. A combined tool for fluorescence penetration detection of disc-ring type parts according to claim 1, wherein the surface finish of the lifting hook (1) is at least as high as
10. The combined tool for fluorescence penetration detection of disc ring parts according to claim 1, wherein the nylon sleeve is made of a hard nylon material, preferably a black nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211436078.9A CN115890518A (en) | 2022-11-16 | 2022-11-16 | Combined tool for fluorescence permeation detection of disc ring type parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211436078.9A CN115890518A (en) | 2022-11-16 | 2022-11-16 | Combined tool for fluorescence permeation detection of disc ring type parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115890518A true CN115890518A (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211436078.9A Pending CN115890518A (en) | 2022-11-16 | 2022-11-16 | Combined tool for fluorescence permeation detection of disc ring type parts |
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| CN (1) | CN115890518A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202509113U (en) * | 2012-03-06 | 2012-10-31 | 中国联合工程公司 | Workpiece hanging device for swing bolster and side frame heat treatment production line |
| CN203451039U (en) * | 2013-08-28 | 2014-02-26 | 湖北三江航天红阳机电有限公司 | Auxiliary device for penetration testing on annular workpiece |
| CN104627821A (en) * | 2013-11-07 | 2015-05-20 | 天津德华石油装备制造有限公司 | Lifting and discharging device matched with machine tool to quickly clamp workpiece |
| CN105712174A (en) * | 2014-08-19 | 2016-06-29 | 云南力帆骏马车辆有限公司 | Special sling for truck container |
| CN206515260U (en) * | 2017-01-23 | 2017-09-22 | 华瑞（江苏）燃机服务有限公司 | A kind of suspension type fluorescent penetrant frame |
| FR3082941A1 (en) * | 2018-06-20 | 2019-12-27 | Safran Aircraft Engines Mexico | WETTING DETECTION TOOL FOR AERONAUTICAL MECHANICAL PART, ASSEMBLY COMPRISING SUCH TOOLS AND METHOD OF DETECTION BY WETTING WITH SUCH TOOLS |
| CN211112282U (en) * | 2019-10-16 | 2020-07-28 | 青岛凯富来金属制品有限公司 | Electrophoresis hanger device convenient to adjust |
| CN214218890U (en) * | 2020-12-03 | 2021-09-17 | 江门市亚伯拉罕金属有限公司 | Hanging tool easy to install and fix |
-
2022
- 2022-11-16 CN CN202211436078.9A patent/CN115890518A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202509113U (en) * | 2012-03-06 | 2012-10-31 | 中国联合工程公司 | Workpiece hanging device for swing bolster and side frame heat treatment production line |
| CN203451039U (en) * | 2013-08-28 | 2014-02-26 | 湖北三江航天红阳机电有限公司 | Auxiliary device for penetration testing on annular workpiece |
| CN104627821A (en) * | 2013-11-07 | 2015-05-20 | 天津德华石油装备制造有限公司 | Lifting and discharging device matched with machine tool to quickly clamp workpiece |
| CN105712174A (en) * | 2014-08-19 | 2016-06-29 | 云南力帆骏马车辆有限公司 | Special sling for truck container |
| CN206515260U (en) * | 2017-01-23 | 2017-09-22 | 华瑞（江苏）燃机服务有限公司 | A kind of suspension type fluorescent penetrant frame |
| FR3082941A1 (en) * | 2018-06-20 | 2019-12-27 | Safran Aircraft Engines Mexico | WETTING DETECTION TOOL FOR AERONAUTICAL MECHANICAL PART, ASSEMBLY COMPRISING SUCH TOOLS AND METHOD OF DETECTION BY WETTING WITH SUCH TOOLS |
| CN211112282U (en) * | 2019-10-16 | 2020-07-28 | 青岛凯富来金属制品有限公司 | Electrophoresis hanger device convenient to adjust |
| CN214218890U (en) * | 2020-12-03 | 2021-09-17 | 江门市亚伯拉罕金属有限公司 | Hanging tool easy to install and fix |
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