CN113984533A - Component surface pressure loading device - Google Patents
Component surface pressure loading device Download PDFInfo
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- CN113984533A CN113984533A CN202111250279.5A CN202111250279A CN113984533A CN 113984533 A CN113984533 A CN 113984533A CN 202111250279 A CN202111250279 A CN 202111250279A CN 113984533 A CN113984533 A CN 113984533A
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- pressure loading
- component surface
- surface pressure
- box
- inflation
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- 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
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- 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
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- 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
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- 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
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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)
- 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 inflation box is provided with an opening, and a plurality of perforations are arranged on the side wall opposite to the opening; the tank opening cover is connected to the inflation tank and used for plugging the opening; one end of each pressure loading rod correspondingly extends into the inflation box from one through hole, the outer wall of the end is provided with a limiting protrusion and can slide in the corresponding through hole, and an annular sealing groove is formed between the limiting protrusion and the corresponding through hole; 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
The aeroengine has many irregular components in the airflow passage, and in order to verify the performance of each component, a component surface pressure loading test is designed, pressure loading is carried out on the surface of the component, and the stress state of the component in the engine working process is simulated.
The method for loading the pressure on the surface of an irregular component in an airflow channel of an aircraft engine mainly adopts an air bag loading device as shown in figure 1, and mainly comprises the following steps:
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 the surface of the component is loaded with pressure, the upper opening of the box body surrounds the component, the inflatable airbag is in contact with the surface of the component, and the pressure loading is carried out on the surface of the component by inflating the airbag and pushing the box body towards the direction of the component, and the technical scheme has the following defects:
1) an opening which is adaptive to the appearance of the component needs to be formed in the box body, and the component with each shape and size needs to be independently designed and processed, so that the universality is poor;
2) under the condition that the surface of the component is subjected to large pressure loading or the surface of the component has a projecting sharp angle, the air bag is easy to be damaged, and great danger exists;
3) the high temperature resistance of the air bag is poor, and the air bag is difficult to apply when the surface pressure loading of the component needs to be carried out under the high temperature condition;
4) the pressure generated on each part of the surface of the member is uniform, cannot be regulated and controlled, is not consistent with the load state borne by the surface of the member in a working state, and is difficult to obtain an accurate test result.
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 application.
Disclosure of Invention
It is an object of the present application to provide a component surface pressure loading apparatus to overcome or mitigate at least one of the technical disadvantages of the known prior art.
The technical scheme of the application is as follows:
a component surface pressure loading device comprising:
the inflation box is provided with an opening, and a plurality of perforations are arranged on the side wall opposite to the opening;
the tank opening cover is connected to the inflation tank and used for plugging the opening;
one end of each pressure loading rod correspondingly extends into the inflation box from one through hole, the outer wall of the end is provided with a limiting protrusion and can slide in the corresponding through hole, and an annular sealing groove is formed between the limiting protrusion and the corresponding through hole;
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 component surface pressure loading device, a plurality of annular seal grooves and corresponding seal rings are formed between each pressure loading rod and the corresponding through hole.
According to at least one embodiment of the present application, in the above component surface pressure loading device, the side wall of the inflation tank has a vent hole;
the component surface pressure loading device further comprises:
and the plug is plugged in the vent hole.
According to at least one embodiment of the present application, the component surface pressure loading device further includes:
the support is connected with the sliding rail between the inflation boxes, and the inflation boxes can move relative to the support along the axial direction of each pressure loading rod.
According to at least one embodiment of the present application, the component surface pressure loading device further includes:
and the actuating cylinder is connected between the inflation box and the support so as to push the inflation box to move relative to the support along the axial direction of each pressure loading rod.
According to at least one embodiment of the present application, the component surface pressure loading device further includes:
the temperature control box is connected with the inflation 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 correspondingly penetrates through the 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.
Drawings
FIG. 1 is a schematic view of a prior art component surface pressure loading apparatus;
FIG. 2 is a schematic diagram of a component surface pressure loading device provided by an embodiment of the present application;
wherein:
1-an air inflation box; 2-a tank opening cover; 3-a pressure loading rod; 4-sealing ring; 5-plug; 6-a scaffold; 7-an actuator cylinder; 8-temperature control box; 9-component.
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 word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of 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 component surface pressure loading device comprising:
an air box 1 having an opening therein, and a plurality of perforations on a side wall opposite to the opening;
the tank cover 2 is connected to the inflation tank 1 and used for blocking the opening;
one end of each pressure loading rod 3 correspondingly extends into the inflation box 1 from one through hole, the outer wall of the end is provided with a limiting protrusion and can slide in the corresponding through hole, and an annular sealing groove is formed between each pressure loading rod 3 and the corresponding through hole;
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 the surface of the component 9 can be pressure-loaded by positioning the end of each pressure loading rod 3 located at the inflator 1 toward the component 9, and by inflating the inflator 1 and estimating the inflator 1 toward the component 9, and positioning the end of each pressure loading rod 3 located at the outside of the inflator 1 against the surface of the component 9 or around the periphery of the component.
With respect to the component surface pressure loading device disclosed in the above embodiment, it can be understood by those skilled in the art that as long as the range of each pressure loading rod 3 can cover the component, the component surface can be pressure loaded in the above manner, and the device has strong versatility.
For the component surface pressure loading device disclosed in the above embodiment, it can be understood by those skilled in the art that the device can be pressed against the surface of the component by means of the end of each pressure loading rod 3 located outside the inflator 1, can adapt to the shape of the surface of various components, is not easy to be damaged, can bear high temperature, and can adapt to the pressure loading of the surface of the component in a high-temperature environment.
For the component surface pressure loading device disclosed in the above embodiment, it can be further understood by those skilled in the art that, under the condition that the cross-sectional area of one end of the surface of the abutting component is the same, each pressure loading rod 3 applies pressure to the surface of the component in proportion to the size of the cross-sectional area of one end of the surface of the abutting component, which extends into the inflation box 1, and the size of the cross-sectional area of one end of each pressure loading rod 1, which extends into the inflation box 1, can be designed to control the size of the pressure applied to each part of the surface of the component, 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 a working state, and an accurate test result is obtained.
In some optional embodiments, in the above 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 its corresponding sealing ring 4, so as to ensure airtightness and prevent gas leakage in the inflation chamber.
In some alternative embodiments, in the above-mentioned component surface pressure loading device, the side wall of the air inflation box 1 is provided with a vent hole;
the component surface pressure loading device further comprises:
and the plug 5 is plugged in the vent hole, and when the plug is taken down, the inflation and deflation can be performed to the inflation box 1 through the vent hole.
In some optional embodiments, the component surface pressure loading device further includes:
the support 6 is connected with the inflation box 1 through a sliding rail, and the inflation box 1 can move relative to the support 6 along the axial direction of each pressure loading rod 3, so that the inflation box 1 can be stably pushed towards the component 9.
In some optional embodiments, the component surface pressure loading device further includes:
and the actuating cylinder 7 is connected between the inflation box 1 and the bracket 6 so as to push the inflation box 1 to move relative to the bracket 6 along the axial direction of each pressure loading rod 3.
In some optional embodiments, the component surface pressure loading device further includes:
the temperature control box 8 is connected with the inflation 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.
With regard to the component surface pressure loading device disclosed in the above embodiment, it can be understood by those skilled in the art that the temperature of one end of each pressure loading rod 1 located outside the inflation box 1 can be rapidly adjusted and maintained by filling gas or liquid with a predetermined temperature into the temperature control box 8, and the temperature is matched with the temperature of the component surface, so as to avoid adverse effects on the test result caused by a large temperature existing between the pressure loading rod 1 and the component surface.
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 (6)
1. A component surface pressure loading apparatus, comprising:
an inflatable box (1) having an opening therein, a side wall opposite the opening having a plurality of perforations therein;
the tank opening cover (2) is connected to the inflation tank (1) and used for plugging the opening;
one end of each pressure loading rod (3) correspondingly extends into the inflation box (1) from one perforation, the outer wall of the end is provided with a limiting protrusion and can slide in the corresponding perforation, and an annular sealing groove is formed between each pressure loading rod and the corresponding perforation;
a plurality of sealing rings (4), each sealing ring (4) is arranged in one annular sealing groove correspondingly.
2. Component surface pressure loading apparatus according to claim 1,
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. Component surface pressure loading apparatus according to claim 1,
the side wall of the inflation box (1) is provided with a vent hole;
the component surface pressure loading device further comprises:
and the plug (5) is plugged in the vent hole.
4. Component surface pressure loading apparatus according to claim 1,
further comprising:
the support (6) is connected with the inflatable box (1) through a sliding rail, and the inflatable box (1) can move relative to the support (6) along the axial direction of each pressure loading rod (3).
5. Component surface pressure loading apparatus according to claim 4,
further comprising:
and the actuating cylinder (7) is connected between the inflation box (1) and the bracket (6) so as to push the inflation box (1) to move relative to the bracket (6) along the axial direction of each pressure loading rod (3).
6. Component surface pressure loading apparatus according to claim 1,
further comprising:
the temperature control box (8) is connected with the inflation 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 |
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| Publication Number | Publication Date |
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| CN113984533A true CN113984533A (en) | 2022-01-28 |
| CN113984533B CN113984533B (en) | 2023-08-22 |
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| CN202111250279.5A Active CN113984533B (en) | 2021-10-26 | 2021-10-26 | Component surface pressure loading device |
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Citations (7)
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| 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 |
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2021
- 2021-10-26 CN CN202111250279.5A patent/CN113984533B/en active Active
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| KR20110050052A (en) * | 2009-11-06 | 2011-05-13 | 한국표준과학연구원 | Method and apparatus for damage measurement using a pressure difference |
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| 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 |
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| CN113984533B (en) | 2023-08-22 |
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