CN111983023A - Knocking device - Google Patents
Knocking device Download PDFInfo
- Publication number
- CN111983023A CN111983023A CN202010887369.4A CN202010887369A CN111983023A CN 111983023 A CN111983023 A CN 111983023A CN 202010887369 A CN202010887369 A CN 202010887369A CN 111983023 A CN111983023 A CN 111983023A
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- Prior art keywords
- knocking
- connecting rod
- handle
- hammer
- knocking hammer
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- 238000005381 potential energy Methods 0.000 description 7
- 238000011835 investigation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The application belongs to the technical field of aeroengine air inlet machine casket main load frame extension board is strikeed and is detected, concretely relates to knocking device includes: a connecting rod; the knocking hammer is hinged at one end of the connecting rod; one end of the knocking hammer return spring is connected with the connecting rod, and the other end of the knocking hammer return spring is connected with the knocking hammer; the handle is hinged at the other end of the connecting rod; one end of the connecting wire is connected with the knocking hammer, and the other end of the connecting wire is connected with the handle.
Description
Technical Field
The application belongs to the technical field of detection of knocking of main bearing frame supporting plates of an air inlet casing of an aero-engine, and particularly relates to a knocking device.
Background
The main bearing frame of the air inlet casing in the aircraft engine mainly comprises a shell, an inner ring arranged in the shell and a plurality of support plates distributed between the shell and the inner ring along the circumferential direction, and the support plates are designed into thin-wall hollow structures for comprehensive functions of air entraining, oil supplying, ice prevention and the like.
The extension board need bear great load among the main load frame, for guaranteeing safety, need regularly or the unscheduled risk investigation to the extension board, carry out the investigation to the extension board at present and strike the hammer and strike the extension board by technical staff handheld and strike, produce corresponding sound, gather this sound through sound sensor, judge whether impaired the extension board based on the sound of gathering, this kind of technical scheme has following defect:
1) most of risks of the support plate are checked in the state of the whole engine, a technician holds a knocking hammer to knock the support plate, and the support plate is difficult to accurately knock at a preset position of the support plate due to the structural limitation of the engine;
2) a technician holds the knocking hammer to knock the support plate, so that the knocking force and the knocking contact time of the knocking hammer on the support plate are difficult to ensure, and the risk investigation effect on the support plate is influenced;
3) when the risk of different extension boards is investigated, the fixed position of the sound sensor needs to be correspondingly changed so as to effectively collect the sound generated by knocking the extension board by the knocking hammer, the fixed position of the sound sensor is time-consuming and labor-consuming to change at every time, the relative position among the sound sensor, the knocking hammer and the extension boards is difficult to guarantee, and adverse effects are generated on the risk investigation of the extension boards.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.
Disclosure of Invention
It is an object of the present application to provide a rapping device that overcomes or mitigates at least one of the technical drawbacks of known prior art devices.
The technical scheme of the application is as follows:
a rapping device, comprising:
a connecting rod;
the knocking hammer is hinged at one end of the connecting rod;
one end of the knocking hammer return spring is connected with the connecting rod, and the other end of the knocking hammer return spring is connected with the knocking hammer;
the handle is hinged at the other end of the connecting rod;
one end of the connecting wire is connected with the knocking hammer, and the other end of the connecting wire is connected with the handle.
According to at least one embodiment of the present application, in the knocking device, the connecting rod is a telescopic rod.
According to at least one embodiment of the present application, in the above-described knocking device, the knocking hammer is hinged to the link by a pin.
According to at least one embodiment of the present application, in the knocking device, the link has a limiting structure to limit the rotation amplitude of the handle.
According to at least one embodiment of the application, in the knocking device, the limiting structure comprises a limiting groove formed in the connecting rod;
the hinged part of the handle and the connecting rod is positioned in the limit groove.
According to at least one embodiment of the present application, the knocking device further includes:
and one end of the handle return spring is connected with the connecting rod, and the other end of the handle return spring is connected with the handle.
According to at least one embodiment of the present application, the knocking device further includes:
the sound sensor is arranged at one end of the connecting rod, which is hinged with the knocking hammer.
According to at least one embodiment of the present application, the knocking device further includes:
the knocking joint is arranged at one end of the connecting rod, which is back to the handle, and is provided with two opposite mounting bulges;
the knocking hammer is hinged on one mounting protrusion;
the sound sensor is disposed on the other mounting projection.
Drawings
FIG. 1 is a schematic view of a rapping device as provided in embodiments of the present application;
wherein:
1-a connecting rod; 2-knocking hammer; 3-a hammer return spring; 4-a handle; 5-connecting filaments; 6-handle complex
A position spring; 7-a sound sensor; 8-knocking joint; 9-support plate.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1.
A rapping device, comprising:
the knocking hammer 2 is hinged at one end of the connecting rod 1;
one end of the knocking hammer return spring 3 is connected with the connecting rod 1, and the other end of the knocking hammer return spring is connected with the knocking hammer 2;
the handle 4 is hinged at the other end of the connecting rod 1;
one end of the connecting wire 5 is connected with the knocking hammer 2, and the other end is connected with the handle 5.
For the knocking device disclosed in the above embodiment, it can be understood by those skilled in the art that the knocking hammer 2 is disposed on the connecting rod 1, and can be sent to the position of the support plate 9 in the main bearing frame through the connecting rod 1 to knock the support plate 9.
For the knocking device disclosed in the above embodiment, it can be understood by those skilled in the art that the knocking hammer 2 can be fed into the main bearing frame through the connecting rod 1 at the position of the support plate 9, and the knocking hammer 2 can knock the support plate 9 by operating the handle 4, and it can be understood that one end of the connecting rod 1 at which the handle 4 is located outside the engine, so that the handle 4 can be easily operated, and the structural limitation of the engine in the complete state is overcome, so that the knocking hammer 2 can knock the support plate 9.
With regard to the knocking device disclosed in the above embodiments, it can be understood by those skilled in the art that the knocking device can have the following process for knocking the supporting plate 9 in the complete state of the engine:
the connecting rod 1 is sent to the part of the main bearing frame where the support plate 9 is located;
the handle 4 is pressed, the handle 4 rotates relative to the connecting rod 1, the knocking hammer 2 is driven to rotate relative to the connecting rod 1 through the connecting wire 5, the knocking hammer 2 is far away from the support plate 9, the knocking hammer return spring 3 is deformed, and the deformation of the knocking hammer return spring 3 can be specifically compressed;
when the handle 4 is released, the knocking hammer return spring 3 generates elastic potential energy by means of the deformation of the handle to push the knocking hammer 2 to move towards the direction close to the support plate 9 until the knocking hammer strikes the support plate 9.
As for the knocking device disclosed in the above embodiments, it can be understood by those skilled in the art that, during the knocking process of the support plate 9, the knocking hammer 3 is pushed by the elastic potential energy generated by the deformation of the knocking hammer return spring 3, when the hammer moves to the initial position, the shape of the hammer return spring 3 is recovered, the elastic potential energy is changed to 0, the movement speed of the hammer 3 reaches the maximum, the hammer continues to move towards the support plate 9, meanwhile, the knocking hammer return spring 3 is deformed to generate elastic potential energy, when the knocking hammer 3 impacts the support plate 9, the speed of the knocking hammer 3 is changed to be 0, the knocking hammer instantaneously moves towards the direction away from the support plate 9 under the action of the elastic potential energy of the knocking hammer return spring 3 and is separated from the support plate 9, therefore, the knocking hammer 2 is ensured to generate one-time impact in the process of knocking the support plate 9 once, and the impact contact time is small enough, so that the vibration interference and continuous impact caused by the long-time contact between the knocking hammer 2 and the support plate 9 can be avoided.
In some alternative embodiments, in the knocking device, the connecting rod 1 is a telescopic rod.
For the knocking device disclosed in the above embodiment, it can be understood by those skilled in the art that the length of the connecting rod 1 can be adjusted according to actual conditions in the application process, so as to meet the requirement of feeding the knocking hammer 2 into the position of the support plate 9 in the main bearing frame, and at the same time, ensure that the end of the connecting rod 1 where the handle 4 is located outside the engine, so as to facilitate operation, and accordingly select the length of the connecting wire 5.
For the knocking device disclosed in the above embodiment, it can be understood by those skilled in the art that, by adjusting the length of the connecting rod 1, the knocking hammer 2 is sent to the position of the supporting plate 9 in the main bearing frame, and after it is ensured that the end of the connecting rod 1 where the handle 4 is located outside the engine, the connecting rod 1 can be fixed through a corresponding structure, so that the position of the knocking hammer 2 relative to the supporting plate 9 is fixed, and the knocking hammer 2 can accurately knock on the predetermined position of the supporting plate 9.
In some alternative embodiments, in the knocking device described above, the knocking hammer 2 is hinged to the link 1 by a pin.
In some alternative embodiments, the link 1 has a limiting structure to limit the rotation amplitude of the handle 4, so as to ensure the knocking strength of the impact hammer 2 on the fulcrum 9.
In some optional embodiments, in the knocking device, the limiting structure includes a limiting groove formed in the connecting rod 1;
the hinged position of handle 3 and connecting rod 1 is located the spacing inslot, and its rotation amplitude receives the restriction of spacing groove lateral wall, when pressing handle 3 at every turn, can loosen when handle 3 and spacing groove lateral wall butt to this deformation that guarantees to strike hammer reset spring 3 and take place at every turn is unanimous, and then makes and strikes hammer 2 and keep unanimous to the dynamics of striking of extension board 9.
In some optional embodiments, the knocking device further includes:
and one end of the handle return spring 6 is connected with the connecting rod 1, and the other end of the handle return spring is connected with the handle 4.
With regard to the knocking device disclosed in the above embodiments, it can be understood by those skilled in the art that, during the process of pressing the handle 3, the handle return spring 6 is deformed correspondingly, specifically, it may be stretched to generate elastic potential energy, and after the handle 3 is released, the handle return spring 6 pushes the handle 3 to move by means of the elastic potential energy, so as to restore the handle 3 to the initial position.
In some optional embodiments, the knocking device further includes:
the sound sensor 7 is arranged at one end of the connecting rod 1, which is hinged with the knocking hammer 2, so as to collect the sound generated when the knocking hammer 2 knocks the support plate 9.
In some optional embodiments, the knocking device further includes:
the knocking joint 8 is arranged at one end of the connecting rod 1, which is back to the handle 3, and is provided with two opposite installation bulges;
the knocking hammer 2 is hinged on one mounting protrusion;
the acoustic sensor 7 is provided on the other mounting projection.
For the knocking device disclosed in the above embodiment, those skilled in the art can understand that the knocking hammer 2 and the sound sensor 7 are mounted on the connecting rod 1 through the knocking joint 8, and can be sent to the position of the support plate 9 in the main bearing frame through the connecting rod 1 together, so that the support plate 9 is located between the two mounting protrusions, and the positions of the knocking hammer 2, the sound sensor 7 and the support plate 9 are relatively fixed, so that the knocking device is convenient and fast, and can reduce adverse effects on risk investigation of the support plate 9.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (8)
1. A rapping device, comprising:
a connecting rod (1);
the knocking hammer (2) is hinged to one end of the connecting rod (1);
one end of the knocking hammer return spring (3) is connected with the connecting rod (1), and the other end of the knocking hammer return spring is connected with the knocking hammer (2);
the handle (4) is hinged at the other end of the connecting rod (1);
one end of the connecting wire (5) is connected with the knocking hammer (2), and the other end of the connecting wire is connected with the handle (5).
2. Knocking device according to claim 1,
the connecting rod (1) is a telescopic rod.
3. Knocking device according to claim 1,
the knocking hammer (2) is hinged to the connecting rod (1) through a pin.
4. Knocking device according to claim 1,
the connecting rod (1) is provided with a limiting structure so as to limit the rotation amplitude of the handle (4).
5. Knocking device according to claim 4,
the limiting structure comprises a limiting groove formed in the connecting rod (1);
the hinged part of the handle (3) and the connecting rod (1) is positioned in the limit groove.
6. Knocking device according to claim 1,
further comprising:
and one end of the handle return spring (6) is connected with the connecting rod (1), and the other end of the handle return spring is connected with the handle (4).
7. Knocking device according to claim 1,
further comprising:
the sound sensor (7) is arranged at one end of the connecting rod (1) hinged with the knocking hammer (2).
8. Knocking device according to claim 7,
further comprising:
the knocking joint (8) is arranged at one end, back to the handle (3), of the connecting rod (1) and provided with two opposite mounting bulges;
the knocking hammer (2) is hinged on one of the mounting bulges;
the sound sensor (7) is disposed on the other of the mounting projections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887369.4A CN111983023A (en) | 2020-08-28 | 2020-08-28 | Knocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887369.4A CN111983023A (en) | 2020-08-28 | 2020-08-28 | Knocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111983023A true CN111983023A (en) | 2020-11-24 |
Family
ID=73440198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010887369.4A Pending CN111983023A (en) | 2020-08-28 | 2020-08-28 | Knocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111983023A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703036A (en) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | Pipeline sounding device and method for acoustic phased array measuring underground pipeline position |
| CN113945635A (en) * | 2021-10-25 | 2022-01-18 | 中国航发沈阳发动机研究所 | Aeroengine air inlet machine casket structure extension board strikes detection device |
| CN113945636A (en) * | 2021-10-25 | 2022-01-18 | 中国航发沈阳发动机研究所 | Detection device is strikeed to aircraft engine air inlet machine casket extension board |
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| CN207281007U (en) * | 2017-10-12 | 2018-04-27 | 深圳市世联土地房地产评估有限公司 | A kind of metope hollowing detector for Real Estate Appraisal |
| CN109254079A (en) * | 2018-10-10 | 2019-01-22 | 南京佳业检测工程有限公司 | Hand-held adjustment type deep hole taps detection hammer |
| CN209936836U (en) * | 2019-02-11 | 2020-01-14 | 诸葛华 | A multi-functional hammer that strikes for engineering detects |
| CN210090370U (en) * | 2018-08-06 | 2020-02-18 | 深圳市国浩土地房地产资产评估咨询有限公司 | Hollowing detector |
| CN211206361U (en) * | 2019-11-11 | 2020-08-07 | 曹颖 | Building detection device capable of judging hollowing through lighting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204759039U (en) * | 2015-06-30 | 2015-11-11 | 宋志星 | Copper clock strikes device |
| CN206730504U (en) * | 2017-05-22 | 2017-12-12 | 浙江工业职业技术学院 | A kind of control toggle rod type knocking device of carriage for children |
| CN207163884U (en) * | 2017-07-28 | 2018-03-30 | 安徽桑瑞泰粉末材料有限公司 | A kind of metal powder coating test powder utilization bent plate taps detector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703036A (en) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | Pipeline sounding device and method for acoustic phased array measuring underground pipeline position |
| CN113703036B (en) * | 2021-08-31 | 2024-05-28 | 宁波瑞能环境能源技术有限公司 | Pipeline sounding device and method for acoustic phased array underground pipeline position measurement |
| CN113945635A (en) * | 2021-10-25 | 2022-01-18 | 中国航发沈阳发动机研究所 | Aeroengine air inlet machine casket structure extension board strikes detection device |
| CN113945636A (en) * | 2021-10-25 | 2022-01-18 | 中国航发沈阳发动机研究所 | Detection device is strikeed to aircraft engine air inlet machine casket extension board |
| CN113945636B (en) * | 2021-10-25 | 2024-01-02 | 中国航发沈阳发动机研究所 | Knocking detection device for support plate of air inlet casing of aircraft engine |
| CN113945635B (en) * | 2021-10-25 | 2024-01-02 | 中国航发沈阳发动机研究所 | Aeroengine inlet casing structure support plate knocking detection device |
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Application publication date: 20201124 |
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