CN211717690U - Differential pressure sensor vibration test mounting fixture - Google Patents
Differential pressure sensor vibration test mounting fixture Download PDFInfo
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- CN211717690U CN211717690U CN202020675258.2U CN202020675258U CN211717690U CN 211717690 U CN211717690 U CN 211717690U CN 202020675258 U CN202020675258 U CN 202020675258U CN 211717690 U CN211717690 U CN 211717690U
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Abstract
The utility model discloses a differential pressure sensor vibration test mounting fixture, which belongs to the technical field of differential pressure sensor detection, and comprises a mounting bottom plate, wherein the upper surface of the mounting bottom plate is fixedly connected with a stand column, and the top end of the stand column is connected with a mounting ring for mounting a differential pressure sensor; and the upper surface of the mounting bottom plate is fixedly connected with the oil pipe connecting module and the cable connecting module. The oil pipe connecting module and the cable connecting module of the utility model are both fixed on the mounting bottom plate, so that the oil pipe connecting module and the cable connecting module can vibrate together with the vibration test bed during the test, thereby avoiding the influence caused by directly connecting an external oil pipe and a cable on the differential pressure sensor and more truly simulating the vibration condition of the aircraft engine during the work; the inclined block connected to the bottom surface of the mounting bottom plate simulates a mounting included angle of a differential pressure sensor on an engine through an inclined angle of the inclined block, so that the vibration condition of the aircraft engine during working can be simulated more truly.
Description
Technical Field
The utility model relates to a differential pressure sensor detects technical field, specifically indicates a differential pressure sensor vibration test sectional fixture.
Background
Aircraft engines are large and very delicate power components whose proper operation is related to the proper operation of the aircraft. Various sensors are scouts for monitoring the running condition of the engine, and can find out sudden problems and potential problems of the engine in time.
However, an aircraft engine is a large-scale transduction device as a power component, and strong vibration is generated during operation, so that a precise sensor is easily damaged. The differential pressure sensor is a precise instrument for monitoring the engine oil differential pressure, and the design and monitoring standards are very high due to the severe use environment. The mounting clamp for the vibration test of the differential pressure sensor is urgently needed, and the mounting clamp can simulate the working environment of an aircraft engine more really.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide an install the differential pressure sensor vibration test sectional fixture that can simulate the vibration condition of aircraft engine during operation more really after on the vibration test bench.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the mounting fixture for the differential pressure sensor vibration test comprises a mounting bottom plate, wherein the upper surface of the mounting bottom plate is fixedly connected with an upright column, and the top end of the upright column is connected with a mounting ring for mounting the differential pressure sensor; and the upper surface of the mounting bottom plate is fixedly connected with the oil pipe connecting module and the cable connecting module.
The technical working principle is that the whole installation clamp is fixed on a vibration test bed through an installation bottom plate, the body of the differential pressure sensor is installed on an installation ring, and the installation ring is the same as the installation ring on an aircraft engine, so that the actual condition can be simulated to the maximum extent.
In order to better realize the utility model, furthermore, the upright post is vertical to the mounting bottom plate, and the mounting ring is detachably mounted at the top end of the upright post; after the installation, the axis of the differential pressure sensor is parallel to the installation bottom plate.
In order to better realize the utility model discloses, furtherly, the stand has two, two stand symmetric distribution in differential pressure sensor's axis both sides.
In order to better realize the utility model, further, the oil pipe connection module comprises an oil pipe connection base fixedly connected with the mounting bottom plate, and the oil pipe connection base is provided with a base first oil pipe joint and a base second oil pipe joint; the first oil pipe joint of the base is connected with the first joint through an oil pipe; and the second oil pipe joint of the base is connected with the second joint through an oil pipe.
In order to better realize the utility model discloses, furtherly, oil pipe is flexible oil pipe.
In order to better realize the utility model discloses, furtherly, cable junction module include with mounting plate fixed connection's cable junction base, cable junction base is provided with the pedestal joint, the pedestal joint passes through cable and articulate.
In order to better realize the utility model discloses, further, still include the sloping block of being connected with mounting plate's bottom surface.
In order to better realize the utility model, furthermore, the included angle of the sloping block is more than 0 degree and less than or equal to 45 degrees.
In order to better realize the utility model discloses, furtherly, two right-angle faces of sloping block all are equipped with the mounting hole.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the oil pipe connecting module and the cable connecting module of the utility model are both fixed on the mounting bottom plate, so that the oil pipe connecting module and the cable connecting module can vibrate together with the vibration test bed during the test, thereby avoiding the influence caused by directly connecting an external oil pipe and a cable on the differential pressure sensor and more truly simulating the vibration condition of the aircraft engine during the work;
(2) the inclined block connected to the bottom surface of the mounting bottom plate of the utility model simulates the mounting included angle of the differential pressure sensor on the engine through the inclination angle of the inclined block, so that the vibration condition of the aircraft engine during working can be simulated more truly;
(3) the utility model provides a differential pressure sensor vibration test's sectional fixture, novel structure, simple structure, low in manufacturing cost, excellent in use effect can truly simulate the vibration condition of aircraft engine during operation, suitable extensive popularization and application.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a differential pressure sensor body coupled to a mounting ring;
FIG. 3 is a schematic structural view of a swash block;
fig. 4 is a schematic view of a connection structure of the swash block and the mounting base plate.
Wherein: 100-mounting bottom plate, 101-inclined block, 102-mounting hole; 200-column; 300-a mounting ring; 400-oil pipe connecting module, 401-oil pipe connecting base, 402-base first oil pipe joint, 403-oil pipe, 404-base second oil pipe joint, 405-first joint, 406-second joint; 500-cable connection module, 501-base joint, 502-cable connection base, 503-cable, 504-joint; 600-differential pressure sensor, 601-cable joint, 602-first sensor oil pipe joint, 603-second sensor oil pipe joint.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the definitions of "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of this embodiment, as shown in fig. 1, includes a mounting base plate 100, the upper surface of the mounting base plate 100 is fixedly connected with a column 200, and the top end of the column 200 is connected with a mounting ring 300 for mounting a differential pressure sensor 600; an oil pipe connection module 400 and a cable connection module 500 are fixedly connected to the upper surface of the installation base plate 100.
In a specific embodiment, as shown in fig. 2, after the body of the differential pressure sensor 600 is installed, the oil pipe joint of the differential pressure sensor 600 is connected to the oil pipe connection module 400, and the cable joint 601 of the differential pressure sensor 600 is connected to the cable connection module 500; and then connected with the external oil pipe and cable through the oil pipe connection module 400 and the cable connection module 500, respectively. Since the oil pipe connection module 400 and the cable connection module 500 are fixed to the mounting base plate 100, they will vibrate together with the vibration test bed during testing, thereby avoiding the influence of directly connecting external oil pipes and cables to the differential pressure sensor 600.
Example 2:
in the present embodiment, on the basis of the above embodiments, in order to make the simulation environment closer to the working environment, the position relationship of each structure is further defined, as shown in fig. 1 and fig. 2, the upright column 200 is perpendicular to the mounting base plate 100 and is the same as the actual mounting position of the engine; the mounting ring 300 is detachably mounted at the top end of the upright column 200, and in actual operation, the mounting ring 300 is firstly connected with the body of the differential pressure sensor 600, and then the mounting ring 300 is connected with the upright column 200, so that the mounting is convenient; the axis of the differential pressure sensor 600 is parallel to the mounting baseplate 100 after mounting, which ensures that the vibration is transmitted as it is. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
in the present embodiment, on the basis of the above embodiments, in order to make the installation structure more stable, the positions and the number of the vertical columns 200 are further defined, as shown in fig. 1 and fig. 2, there are two vertical columns 200, and the two vertical columns 200 are symmetrically distributed on both sides of the axis of the differential pressure sensor 600. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in this embodiment, on the basis of the above embodiments, the structure of the oil pipe connection module 400 is further defined, as shown in fig. 1, the oil pipe connection module 400 includes an oil pipe connection base 401 fixedly connected to the installation base plate 100, and the oil pipe connection base 401 is provided with a base first oil pipe joint 402 and a base second oil pipe joint 404; the base first tubing joint 402 is connected to the first joint 405 by tubing 403; the base second tubing joint 404 is connected to a second joint 406 through tubing 403. When the differential pressure sensor 600 is installed, the first joint 405 is connected with a first sensor oil pipe joint 602 of the differential pressure sensor 600, and the second joint 406 is connected with a second sensor oil pipe joint 603 of the differential pressure sensor 600; the outer tubing is then connected to the base first tubing joint 402 and second tubing joint 404. The vibration different from that of the vibration test bed transmitted by the external oil pipe can be isolated through the oil pipe connection base 401, and the accuracy of the test can be further improved.
Example 5:
in order to facilitate the connection between the first joint 405 and the second joint 406 and the differential pressure sensor 600, the present embodiment further defines the oil pipe 403 as a telescopic oil pipe on the basis of the above embodiments, which facilitates the actual installation operation. The specific telescopic oil pipe can adopt a corrugated telescopic oil pipe or a sleeve type telescopic oil pipe, and the simulation environment is more real by referring to the type used on the actual aircraft engine. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
the present embodiment further defines a specific structure of the cable connection module 500 on the basis of the above-mentioned embodiments, as shown in fig. 1, the cable connection module 500 includes a cable connection base 502 fixedly connected to the installation base plate 100, the cable connection base 502 is provided with a base connector 501, and the base connector 501 is connected to a connector 504 through a cable 503. When installed, the connector 504 is connected to the cable connector 601 of the differential pressure sensor 600, and then the external cable is connected to the base connector 501. The vibration different from the vibration test bed transmitted by the external cable can be isolated through the cable connection base 502, and the test accuracy can be further improved. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
because the outer wall of the aircraft engine is usually arc-shaped, a certain included angle exists between the actually installed differential pressure sensor 600 and the vibration source, however, the vibration direction simulated by directly laying and installing the installation bottom plate 100 on the vibration test bed can also come in and go out with the actual working condition, so the embodiment is further additionally provided with the oblique block 101 on the basis of the above embodiment, as shown in fig. 3 and 4, the bottom surface of the installation bottom plate 100 is connected with the oblique block 101. The installation included angle of a differential pressure sensor on the engine is simulated through the inclination angle of the inclined block. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 8:
in the embodiment, on the basis of the above embodiment, the parameters and the structure of the swash block 101 are further defined, as shown in fig. 3 and 4, the included angle of the swash block 101 is greater than 0 degree and less than or equal to 45 degrees, the two right-angle surfaces of the swash block 101 are both provided with the mounting holes 102, and after the mounting surface is replaced, the included angle is equal to or greater than 45 degrees and less than or equal to 90 degrees, so that the manufacturing of the standard swash block 101 can be reduced, and the cost is reduced. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It is to be understood that the principles and operation of mounting furniture structures, such as connectors and cables, according to one embodiment of the present invention are well known in the art and will not be described in detail herein.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The mounting fixture for the vibration test of the differential pressure sensor is characterized by comprising a mounting base plate (100), wherein the upper surface of the mounting base plate (100) is fixedly connected with an upright post (200), and the top end of the upright post (200) is connected with a mounting ring (300) for mounting the differential pressure sensor (600); the upper surface of the mounting bottom plate (100) is fixedly connected with an oil pipe connecting module (400) and a cable connecting module (500).
2. The differential pressure sensor vibration test mounting fixture of claim 1, wherein: the upright post (200) is vertical to the mounting base plate (100), and the mounting ring (300) is detachably mounted at the top end of the upright post (200); after installation, the axis of the differential pressure sensor (600) is parallel to the installation bottom plate (100).
3. The differential pressure sensor vibration test mounting fixture of claim 2, wherein: the number of the upright columns (200) is two, and the two upright columns (200) are symmetrically distributed on two sides of the axis of the differential pressure sensor (600).
4. The differential pressure sensor vibration test mounting fixture of claim 1, wherein: the oil pipe connecting module (400) comprises an oil pipe connecting base (401) fixedly connected with the mounting base plate (100), and the oil pipe connecting base (401) is provided with a base first oil pipe joint (402) and a base second oil pipe joint (404); the base first oil pipe joint (402) is connected with the first joint (405) through an oil pipe (403); the base second tubing joint (404) is connected to a second joint (406) by tubing (403).
5. The differential pressure sensor vibration test mounting fixture of claim 4, wherein: the oil pipe (403) is a telescopic oil pipe.
6. The differential pressure sensor vibration test mounting fixture of claim 1, wherein: the cable connection module (500) comprises a cable connection base (502) fixedly connected with the installation bottom plate (100), the cable connection base (502) is provided with a base joint (501), and the base joint (501) is connected with a joint (504) through a cable (503).
7. The differential pressure sensor vibration test mounting fixture of any one of claims 1-6, wherein: also comprises an inclined block (101) connected with the bottom surface of the mounting bottom plate (100).
8. The differential pressure sensor vibration test mounting fixture of claim 7, wherein: the included angle a of the inclined block (101) is more than 0 degree and less than or equal to 45 degrees.
9. The differential pressure sensor vibration test mounting fixture of claim 8, wherein: two right-angle surfaces of the inclined block (101) are provided with mounting holes (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675258.2U CN211717690U (en) | 2020-04-28 | 2020-04-28 | Differential pressure sensor vibration test mounting fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020675258.2U CN211717690U (en) | 2020-04-28 | 2020-04-28 | Differential pressure sensor vibration test mounting fixture |
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| Publication Number | Publication Date |
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| CN211717690U true CN211717690U (en) | 2020-10-20 |
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| CN202020675258.2U Active CN211717690U (en) | 2020-04-28 | 2020-04-28 | Differential pressure sensor vibration test mounting fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216603A (en) * | 2022-02-21 | 2022-03-22 | 成都凯天电子股份有限公司 | Pressure sensor |
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- 2020-04-28 CN CN202020675258.2U patent/CN211717690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216603A (en) * | 2022-02-21 | 2022-03-22 | 成都凯天电子股份有限公司 | Pressure sensor |
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