CN113984533B - Component surface pressure loading device - Google Patents
Component surface pressure loading device Download PDFInfo
- Publication number
- CN113984533B CN113984533B CN202111250279.5A CN202111250279A CN113984533B CN 113984533 B CN113984533 B CN 113984533B CN 202111250279 A CN202111250279 A CN 202111250279A CN 113984533 B CN113984533 B CN 113984533B
- Authority
- CN
- China
- Prior art keywords
- pressure loading
- box
- surface pressure
- air
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
Landscapes
- 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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application belongs to the technical field of component surface pressure loading tests, and particularly relates to a component surface pressure loading device, which comprises: the inflator box is provided with an opening, and a side wall opposite to the opening is provided with a plurality of perforations; the box cover is connected to the air charging box and used for sealing the opening; one end of each pressure loading rod correspondingly extends into the inflator box from one perforation, the outer wall of the end is provided with a limiting bulge, the limiting bulge can slide in the corresponding perforation, and an annular sealing groove is formed between the limiting bulge and the corresponding perforation; and each sealing ring is correspondingly arranged in one annular sealing groove.
Description
Technical Field
The application belongs to the technical field of component surface pressure loading tests, and particularly relates to a component surface pressure loading device.
Background
In order to verify the performance of each component, a component surface pressure loading test is designed, the pressure loading is carried out on the component surface, and the stress state of the component caused by the operation of the engine is simulated.
Pressure loading is carried out on the surface of an irregular component in an air flow channel of an aeroengine, and an airbag loading device shown in fig. 1 is adopted at present, and mainly comprises the following components:
the box body is provided with an opening which is matched with the shape of the component;
an air bag arranged in the box body;
when carrying out pressure loading to the component surface, make the box upper opening encircle the component, aerify gasbag and component surface contact, through aerify in to the gasbag and promote the box to the component direction, carry out pressure loading at the component surface, this kind of technical scheme has following defect:
1) The box body is required to be provided with an opening which is adapted to the shape of the component, the components with various shapes and sizes are required to be independently designed and processed, and the universality is poor;
2) Under the condition that the surface of the component is subjected to larger pressure loading or the protruding sharp angle exists on the surface of the component, the air bag is easy to damage, and the risk is high;
3) The high temperature resistance of the air bag is poor, and the air bag is difficult to be applicable when the surface pressure loading of the component is required to be carried out under the high temperature condition;
4) The pressure generated on the surface of the component is uniform and cannot be regulated and controlled, and the pressure is not consistent with the load state of the surface of the component in the working state, so that an accurate test result is difficult to obtain.
The present application has been made in view of the above-described technical drawbacks.
It should be noted that the above disclosure of the background art is only for aiding in understanding the inventive concept and technical solution of the present application, which is not necessarily prior art to the present patent application, and should not be used for evaluating the novelty and creativity of the present application in the case where no clear evidence indicates that the above content has been disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a device for loading the surface pressure of a component, which overcomes or alleviates the technical drawbacks of at least one aspect known to exist.
The technical scheme of the application is as follows:
a component surface pressure loading device comprising:
the inflator box is provided with an opening, and a side wall opposite to the opening is provided with a plurality of perforations;
the box cover is connected to the air charging box and used for sealing the opening;
one end of each pressure loading rod correspondingly extends into the inflator box from one perforation, the outer wall of the end is provided with a limiting bulge, the limiting bulge can slide in the corresponding perforation, and an annular sealing groove is formed between the limiting bulge and the corresponding perforation;
and each sealing ring is correspondingly arranged in one annular sealing groove.
According to at least one embodiment of the present application, in the above-mentioned member surface pressure loading device, there are a plurality of annular seal grooves formed between each pressure loading rod and the corresponding through hole and corresponding seal rings.
According to at least one embodiment of the present application, in the above-mentioned member surface pressure loading device, the sidewall of the air tank is provided with a vent hole;
the member surface pressure loading device further includes:
and the plug is plugged in the vent hole.
According to at least one embodiment of the present application, the above-mentioned member surface pressure loading device further includes:
the bracket is connected with the sliding rail between the air inflation boxes, and the air inflation boxes can move along the axial direction of each pressure loading rod relative to the bracket.
According to at least one embodiment of the present application, the above-mentioned member surface pressure loading device further includes:
the actuating cylinder is connected between the air charging box and the bracket so as to push the air charging box to move relative to the bracket along the axial direction of each pressure loading rod.
According to at least one embodiment of the present application, the above-mentioned member surface pressure loading device further includes:
the temperature control box is connected with the air charging box, and the side wall of the temperature control box is provided with a plurality of pairs of opposite through holes; each pressure loading rod is correspondingly arranged through a pair of through holes, is in sealing contact with a corresponding pair of through holes and can slide in the corresponding pair of through holes.
Drawings
FIG. 1 is a schematic view of a prior art component surface pressure loading device;
FIG. 2 is a schematic view of a component surface pressure loading device provided by an embodiment of the present application;
wherein:
1-an air charging box; 2-a box cover; 3-a pressure loading rod; 4-a sealing ring; 5-plugs; 6-a bracket; 7-an actuator cylinder; 8-a temperature control box; 9-building blocks.
For the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; further, the drawings are for illustrative purposes, wherein the terms describing the positional relationship are limited to the illustrative description only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the technical solution of the present application and its advantages more clear, the technical solution of the present application will be further and completely described in detail with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present application, which are for explanation of the present application and not for limitation of the present application. It should be noted that, for convenience of description, only the part related to the present application is shown in the drawings, and other related parts may refer to the general design, and the embodiments of the present application and the technical features of the embodiments may be combined with each other to obtain new embodiments without conflict.
Furthermore, unless defined otherwise, technical or scientific terms used in the description of the application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the application pertains. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," "outer," and the like as used in the description of the present application are merely used for indicating 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 that the relative positional relationships may be changed when the absolute position of the object to be described is changed, thus not being construed as limiting the application. The terms "first," "second," "third," and the like, as used in the description of the present application, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance to the various components. The use of the terms "a," "an," or "the" and similar referents in the description of the application are not to be construed as limiting the amount absolutely, but rather as existence of at least one. As used in this description of the application, the terms "comprises," "comprising," or the like are intended to cover an element or article that appears before the term as such, but does not exclude other elements or articles from the list of elements or articles that appear after the term.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description of the present application are used in a broad sense, and for example, the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The application is described in further detail below with reference to fig. 1.
A component surface pressure loading device comprising:
the inflator 1 is provided with an opening, and a side wall opposite to the opening is provided with a plurality of perforations;
the box cover 2 is connected to the air charging box 1 to seal the opening;
one end of each pressure loading rod 3 correspondingly extends into the inflator 1 from one perforation, the outer wall of the end is provided with a limit bulge which can slide in the corresponding perforation, and an annular sealing groove is formed between the corresponding perforation and the limit bulge;
and a plurality of sealing rings 4, wherein each sealing ring 4 is correspondingly arranged in one annular sealing groove.
With respect to the component surface pressure loading device disclosed in the above embodiment, it will be understood by those skilled in the art that each pressure loading rod 3 may be located at one end of the air box 1 towards the component 9, and by inflating the air box 1 and presuming the air box 1 in the direction of the component 9, the end of each pressure loading rod 3 located outside the air box 1 is abutted against the surface of the component 9 or surrounds the periphery of the component, so as to pressure load the surface of the component 9.
As for the member surface pressure loading device disclosed in the above embodiment, it will be further understood by those skilled in the art that the member surface can be pressure loaded in the above manner as long as the range of each pressure loading rod 3 can cover the member, and thus the member surface pressure loading device has strong versatility.
For the component surface pressure loading device disclosed in the above embodiment, it can be further understood by those skilled in the art that, by means of the end of each pressure loading rod 3 located outside the plenum 1, the surface of the component is pressed against, so as to adapt to the shape of the surface of various components, not be damaged easily, and can bear higher temperature, so that the pressure loading device can adapt to the pressure loading of the surface of the component in a high-temperature environment.
For the pressure loading device for the surface of the component disclosed in the above embodiment, it can be further understood by those skilled in the art that, when the cross-sectional area of one end of the surface of the abutting component is the same, the pressure applied to the surface of the component is proportional to the cross-sectional area of one end of the abutting component, which extends into the plenum 1, and the pressure applied to the surface of the component can be controlled by designing the cross-sectional area of one end of each pressure loading rod 1, which extends into the plenum 1, so that the pressure applied to the surface of the component is consistent with the load state applied to the surface of the component in the working state, and an accurate test result is obtained.
In some alternative embodiments, in the above-mentioned component surface pressure loading device, there are a plurality of annular sealing grooves formed between each pressure loading rod 3 and the corresponding through hole and corresponding sealing rings 4, so as to ensure air tightness and avoid gas leakage in the gas charging box.
In some alternative embodiments, in the component surface pressure loading device, the side wall of the inflator 1 is provided with a vent hole;
the member surface pressure loading device further includes:
the plug 5 is plugged in the vent hole, and can be used for inflating and deflating the inflator 1 through the vent hole when being taken down.
In some alternative embodiments, the component surface pressure loading device further includes:
the bracket 6 is connected with the sliding rail between the air boxes 1, and the air boxes 1 can move relative to the bracket 6 along the axial direction of each pressure loading rod 3 so as to push the air boxes 1 to the direction of the component 9 smoothly.
In some alternative embodiments, the component surface pressure loading device further includes:
an actuator 7 is connected between the air box 1 and the bracket 6 so as to push the air box 1 to move relative to the bracket 6 along the axial direction of each pressure loading rod 3.
In some alternative embodiments, the component surface pressure loading device further includes:
the temperature control box 8 is connected with the air charging box 1, and the side wall of the temperature control box is provided with a plurality of pairs of opposite through holes; each pressure loading rod 3 is disposed through a corresponding pair of through holes, and is in sealing contact with the corresponding pair of through holes, so as to be capable of sliding in the corresponding pair of through holes.
For the component surface pressure loading device disclosed in the above embodiment, it will be understood by those skilled in the art that the temperature of each pressure loading rod 1 at the outer end of the plenum box 1 can be quickly adjusted and maintained by filling the temperature control box 8 with gas or liquid at a predetermined temperature, so as to conform to the temperature of the component surface, and avoid adverse effects on the test result caused by the existence of a large temperature between the pressure loading rods 1 and the component surface.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred.
Having thus described the technical aspects of the present application with reference to the preferred embodiments shown in the drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the related technical features without departing from the principle of the present application, and those changes or substitutions will fall within the scope of the present application.
Claims (4)
1. A component surface pressure loading device, comprising:
an air box (1) which is provided with an opening and a plurality of perforations on the side wall opposite to the opening;
a box cover (2) connected to the air charging box (1) for sealing the opening;
one end of each pressure loading rod (3) correspondingly extends into the inflator box (1) from one perforation, the outer wall of the end is provided with a limit bulge which can slide in the corresponding perforation, and an annular sealing groove is formed between the corresponding perforation and the pressure loading rod (3);
the sealing rings (4) are arranged in one annular sealing groove correspondingly;
the brackets (6) are connected with the air inflation boxes (1) through sliding rails, and the air inflation boxes (1) can move relative to the brackets (6) along the axial direction of each pressure loading rod (3);
and the actuator cylinder (7) is connected between the air charging box (1) and the support (6) so as to push the air charging box (1) to move relative to the support (6) along the axial direction of each pressure loading rod (3).
2. The device according to claim 1, wherein the member surface pressure loading means,
and a plurality of annular sealing grooves and corresponding sealing rings (4) are formed between each pressure loading rod (3) and the corresponding through hole.
3. The device according to claim 1, wherein the member surface pressure loading means,
the side wall of the air charging box (1) is provided with an air vent;
the member surface pressure loading device further includes:
and the plug (5) is plugged in the vent hole.
4. The device according to claim 1, wherein the member surface pressure loading means,
further comprises:
the temperature control box (8) is connected with the air charging box (1), and the side wall of the temperature control box is provided with a plurality of pairs of opposite through holes; each pressure loading rod (3) correspondingly penetrates through a pair of through holes, is in sealing contact with the corresponding pair of through holes, and can slide in the corresponding pair of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250279.5A CN113984533B (en) | 2021-10-26 | 2021-10-26 | Component surface pressure loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250279.5A CN113984533B (en) | 2021-10-26 | 2021-10-26 | Component surface pressure loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113984533A CN113984533A (en) | 2022-01-28 |
| CN113984533B true CN113984533B (en) | 2023-08-22 |
Family
ID=79741890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111250279.5A Active CN113984533B (en) | 2021-10-26 | 2021-10-26 | Component surface pressure loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113984533B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110050052A (en) * | 2009-11-06 | 2011-05-13 | 한국표준과학연구원 | Method and apparatus for damage measurement using a pressure difference |
| CN202994591U (en) * | 2012-12-28 | 2013-06-12 | 无锡市产品质量监督检验中心 | Airbag type four-screw rod multi-functional plate sample surface load testing machine |
| CN206876494U (en) * | 2017-05-10 | 2018-01-12 | 武汉理工大学 | Large span stiffened panel ultimate strength test device under combined load |
| CN108896401A (en) * | 2018-08-31 | 2018-11-27 | 南华大学 | A kind of rock mechanics experiment machine loading head of drive of high-pressure gas |
| EP3521800A1 (en) * | 2018-01-31 | 2019-08-07 | Maximator Gmbh | Test apparatus and method for load change testing |
| CN209356297U (en) * | 2018-12-14 | 2019-09-06 | 中国航发沈阳发动机研究所 | A kind of engine Divergent flap experiment loading unit |
| CN112763303A (en) * | 2020-12-14 | 2021-05-07 | 山东大学 | Full-strain-rate dynamic and static combined loading multifunctional rock mechanical test system and method |
-
2021
- 2021-10-26 CN CN202111250279.5A patent/CN113984533B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110050052A (en) * | 2009-11-06 | 2011-05-13 | 한국표준과학연구원 | Method and apparatus for damage measurement using a pressure difference |
| CN202994591U (en) * | 2012-12-28 | 2013-06-12 | 无锡市产品质量监督检验中心 | Airbag type four-screw rod multi-functional plate sample surface load testing machine |
| CN206876494U (en) * | 2017-05-10 | 2018-01-12 | 武汉理工大学 | Large span stiffened panel ultimate strength test device under combined load |
| EP3521800A1 (en) * | 2018-01-31 | 2019-08-07 | Maximator Gmbh | Test apparatus and method for load change testing |
| CN108896401A (en) * | 2018-08-31 | 2018-11-27 | 南华大学 | A kind of rock mechanics experiment machine loading head of drive of high-pressure gas |
| CN209356297U (en) * | 2018-12-14 | 2019-09-06 | 中国航发沈阳发动机研究所 | A kind of engine Divergent flap experiment loading unit |
| CN112763303A (en) * | 2020-12-14 | 2021-05-07 | 山东大学 | Full-strain-rate dynamic and static combined loading multifunctional rock mechanical test system and method |
Non-Patent Citations (1)
| Title |
|---|
| 临近空间伞张式飞艇气囊结构协同仿真研究;刘成业;宋笔锋;王海峰;;宇航学报(10);第13-19页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113984533A (en) | 2022-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9417153B2 (en) | Balloon catheter apparatus for high pressure leak detection | |
| US20170322102A9 (en) | Balloon catheter apparatus for internal combustion engine component leak detection and high pressure leak detection | |
| EP3268655B1 (en) | Balloon catheter apparatus for internal combustion engine component leak detection and high pressure leak detection | |
| CN113984533B (en) | Component surface pressure loading device | |
| KR101672170B1 (en) | Vehicle lift | |
| US7633304B2 (en) | Device for testing electronic components, in particular ICs, having a sealing board arranged inside a pressure test chamber | |
| ES2657992T3 (en) | Test device for a tire inflation device | |
| DE102013109563A1 (en) | Test device for a tire filling device | |
| WO2006044483A3 (en) | Seamless inflatable bag with multiple applications | |
| CN114778011A (en) | Plugging mechanism for double-cavity shell steam inspection tool | |
| CN112067212A (en) | Pipeline air tightness detection device | |
| CN103671683B (en) | A kind of oscillating damper inflation frock and inflation method | |
| CA2612559A1 (en) | Shaft plugging system | |
| KR101789587B1 (en) | Multi-stage cylinder lift | |
| JP2020085104A (en) | Seal state detection device and seal state detection method for cylinder device | |
| JP2007242917A (en) | Clamp structure | |
| CN207701485U (en) | A kind of large size lubricating oil station bladder type hydropneumatic accumulator | |
| CN107605861B (en) | A kind of cylinder barrel shell pump pressure frock | |
| CN113758712B (en) | Air inlet channel pressurizing test device and method for nacelle of aircraft engine | |
| CN216050472U (en) | Automatic air tightness detection tool for plastic fuel tank production line | |
| CN103381787B (en) | Side airbag device | |
| CN214367657U (en) | Side seal structure of gearbox cover | |
| KR20180002223A (en) | Leak-testing apparatus with compatibility | |
| CN113984361B (en) | Engine casing internal pressure test device | |
| JP2019095303A (en) | Leak tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |