CN221280641U - Stability test device for loading pneumatic load on curved surface part - Google Patents
Stability test device for loading pneumatic load on curved surface part Download PDFInfo
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- CN221280641U CN221280641U CN202323070472.8U CN202323070472U CN221280641U CN 221280641 U CN221280641 U CN 221280641U CN 202323070472 U CN202323070472 U CN 202323070472U CN 221280641 U CN221280641 U CN 221280641U
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- curved surface
- stability test
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- oil cylinder
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- 238000013112 stability test Methods 0.000 title claims abstract description 25
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a stability test device for loading pneumatic load on a curved surface piece, which comprises a bottom frame (2), a supporting frame, a loading assembly and a mounting rack (11), wherein the supporting frame and the mounting rack (11) are fixedly arranged on the bottom frame (2), one end of the loading assembly is connected to the supporting frame, the curved surface piece (10) to be tested is placed on the mounting rack (11), the other end of the loading assembly is in contact with the curved surface piece (10) to be tested, the other end of the loading assembly is processed through a three-dimensional die, the loading assembly can be completely attached to the curved surface piece (10) to be tested, the pneumatic load is completely uniformly distributed, the test precision is high, the loading assembly can carry out a test through an external input hydraulic source, the test efficiency is high, and the device is safe and reliable.
Description
Technical Field
The utility model relates to a stability test device for loading pneumatic load on a curved surface piece, in particular to a stability test device for loading pneumatic load on an aircraft cabin door.
Background
The stability index is an important control index of an airplane, and the stability test of loading pneumatic load on a curved surface part of the airplane, such as a cabin door with a curved surface, is to manually apply external force to the surface of the cabin door to achieve the test purpose.
Disclosure of Invention
The utility model aims to provide a stability test device which is used for loading pneumatic load on a curved surface piece and has the advantages of high precision, high efficiency, safety and reliability.
The utility model is realized by the following technical scheme: a stability test device for curved surface piece loading pneumatic load, its characterized in that: the device comprises a bottom frame, a support frame, a loading assembly and an installation rack, wherein the support frame and the installation rack are fixedly arranged on the bottom frame, one end of the loading assembly is connected to the support frame, a curved surface part to be tested is placed on the installation rack, and the other end of the loading assembly is in contact with the curved surface part to be tested.
Further, the support frame include mount, loading roof beam and supporting beam, the mount fixed setting be in the chassis top surface, loading Liang Shuli set up the chassis top surface, supporting beam oblique stand set up and one end with the mount link firmly and the other end with the loading roof beam link firmly, the loading roof beam on set up the earring support.
Further, the loading assembly comprises a servo oil cylinder, a force sensor and a curved surface connecting assembly, the tail end of the servo oil cylinder is hinged with the earring support, the force sensor is arranged at the front part of a piston rod of the servo oil cylinder, a first inlet A and a second inlet B which are communicated with a hydraulic source are formed in the servo oil cylinder 7, and the piston rod end of the servo oil cylinder is connected with the curved surface connecting assembly.
Further, curved surface coupling assembling include panel support, screw, fixing bolt, connection panel, coupling spare, connecting body, servo cylinder's piston rod end make the bulb and form ball joint, the coupling spare with ball joint connect, the coupling spare pass through fixing bolt install on the connecting body, connection panel upper surface link firmly the panel support, the panel support pass through screw with connecting body threaded connection.
Further, the lower surface of the connecting panel is manufactured into a shape corresponding to the curved surface piece to be tested.
Compared with the prior art, the utility model has the following advantages:
The lower surface of the connecting panel of the stability test device for loading the pneumatic load on the curved surface piece is manufactured into the shape corresponding to the curved surface piece to be tested, and the stability test device can be completely attached to the curved surface piece to be tested such as a cabin door, so that the pneumatic load is completely uniformly distributed, the pneumatic load working condition of the aircraft skin in the middle of flight is restored, and the test precision is high; when the curve surface piece to be tested is mounted in the test, only an external hydraulic source is connected to the servo oil cylinder to extend and retract, the force sensor displays the force value and drives the curve surface connecting assembly, positive and negative loads are applied to the curve surface piece to be tested, the pneumatic load can be loaded, the test efficiency is high, and the operation is simple, safe and reliable.
Drawings
FIG. 1 is a schematic illustration of a stability test apparatus for aerodynamic loading of curved members according to the present utility model.
FIG. 2 is a schematic view of the load beam and earring support structure of a stability test apparatus for aerodynamic loading of curved members according to the present utility model.
FIG. 3 is a schematic view of the loading assembly of the stability test apparatus for aerodynamic loading of curved members according to the present utility model.
FIG. 4 is a schematic view of a servo cylinder structure of a stability test device for pneumatic loading of curved surface parts according to the present utility model.
FIG. 5 is a schematic view of a curved surface connection assembly of a stability test apparatus for aerodynamic loading of curved surface parts according to the present utility model.
In the figure: 1. support legs, 2, underframe, 3, fixing frame, 4, supporting beam, 5, loading beam, 6, earring support, 7, servo oil cylinder, 8, force sensor, 9, curved surface connecting component, 10, tested article, 11, mounting rack, 12, adjusting hole, 13, panel support, 14, screw, 15, fixing bolt, 16, height cushion block, 17, connecting panel, 18, coupling piece, 19, connecting body.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Fig. 1 and 2 show a stability test device for aerodynamic loading of curved parts, characterized in that: the device comprises a bottom frame 2, a supporting frame, a loading assembly and an installation rack 11, wherein the supporting frame and the installation rack 11 are fixedly arranged on the bottom frame 2, one end of the loading assembly is connected to the supporting frame, a curved surface part 10 to be tested is placed on the installation rack 11, and the other end of the loading assembly is in contact with the curved surface part 10 to be tested.
The support frame include mount 3, loading beam 5 and supporting beam 4, mount 3 fixed setting be in chassis 2 top surface, loading beam 5 erect and set up chassis 2 top surface, supporting beam 4 erect and set up and one end with mount 3 link firmly and the other end links firmly with loading beam 5, as shown in fig. 2, loading beam 5 on set up earring support 6, loading beam 5 on open and to have a plurality of regulation holes 12, the support frame be equipped with normal angle adjustable function, with earring support 6 with the set screw that loading beam 5 is connected dismantle, regard regulation hole 12 as the benchmark, earring support 6 upwards or down move, install set screw after adjusting the angle, when developing the test, with the support frame with loading assembly connection, realize normal loading angle's fixed, guarantee normal loading angle is accurate error-free, can realize normal regulation of loading angle simultaneously, compatible other type of test of stability of the article.
Fig. 3, fig. 4 and fig. 5 show a loading assembly of a stability test device for loading pneumatic load on a curved surface part, the loading assembly comprises a servo oil cylinder 7, a force sensor 8 and a curved surface connecting assembly 9, the tail end of the servo oil cylinder 7 is hinged with an earring support 6, the force sensor 8 is arranged at the front part of a piston rod of the servo oil cylinder 7, a first inlet A and a second inlet B which are communicated with a hydraulic source are arranged on the servo oil cylinder 7, the piston rod end of the servo oil cylinder 7 is connected with the curved surface connecting assembly 9, after the curved surface part 10 to be tested is installed, the curved surface connecting assembly 9 is driven to apply load by being input into the servo oil cylinder 7 through an external hydraulic source, and the force sensor 8 displays the load and can simulate the actual working condition of the tested object.
The curved surface connecting assembly 9 comprises a panel support 13, a screw 14, a fixing bolt 15, a connecting panel 17, a coupling piece 18 and a connecting body 19, wherein a ball head is manufactured at the piston rod end of the servo oil cylinder 7 to form a ball joint, the coupling piece 18 is connected with the ball joint, the coupling piece 18 is installed on the connecting body 19 through the fixing bolt 15, the upper surface of the connecting panel 17 is fixedly connected with the panel support 13, and the panel support 13 is in threaded connection with the connecting body 19 through the screw 14.
A plurality of height cushion blocks 16 are fixedly arranged between the upper surface of the connecting panel 17 and the panel support 13.
The lower surface of the connecting panel 17 is made into a shape corresponding to the curved surface piece 10 to be tested. The connecting panel 17 can be completely attached to the curved surface piece 10 to be tested such as a cabin door through three-dimensional die processing, so that pneumatic load is completely uniformly distributed, and the working condition of the aircraft under the pneumatic load of the cabin door in the middle of flight is better restored.
The underframe 2 is a rectangular frame, and supporting feet 1 are arranged on the bottom surface of the underframe 2.
In the use process, the to-be-tested curved surface piece 10 is installed on the installation rack 11, the curved surface connecting assembly 9 is abutted, a hydraulic source is externally input to the servo oil cylinder 7 under the condition that the curved surface is completely attached, a piston rod is enabled to extend and retract, and the generated force value passes through the force sensor 8 and the curved surface connecting assembly 9, so that the pneumatic load of the curved surface piece is realized.
Claims (8)
1. A stability test device for curved surface piece loading pneumatic load, its characterized in that: the device comprises a bottom frame (2), a supporting frame, a loading assembly and an installing rack (11), wherein the supporting frame and the installing rack (11) are fixedly arranged on the bottom frame (2), one end of the loading assembly is connected to the supporting frame, a curved surface part (10) to be tested is placed on the installing rack (11), and the other end of the loading assembly is in contact with the curved surface part (10) to be tested.
2. A stability test apparatus for aerodynamic loading of curved members as defined in claim 1, wherein: the support frame include mount (3), loading beam (5) and supporting beam (4), mount (3) fixed setting be in chassis (2) top surface, loading beam (5) erect and set up chassis (2) top surface, supporting beam (4) set up and one end with mount (3) link firmly and the other end with loading beam (5) link firmly, loading beam (5) on set up earring support (6).
3. A stability test device for aerodynamic loading of curved members according to claim 1 or 2, characterized in that: the loading assembly comprises a servo oil cylinder (7), a force sensor (8) and a curved surface connecting assembly (9), wherein the tail end of the servo oil cylinder (7) is hinged with the earring support (6), the force sensor (8) is arranged at the front part of a piston rod of the servo oil cylinder (7), a first inlet (A) and a second inlet (B) which are communicated with a hydraulic source are formed in the servo oil cylinder (7), and the end of the piston rod of the servo oil cylinder (7) is connected with the curved surface connecting assembly (9).
4. A stability test apparatus for aerodynamic loading of curved members as defined in claim 3, wherein: curved surface coupling assembling (9) include panel support (13), screw (14), fixing bolt (15), connection panel (17), coupling (18), connecting body (19), the piston rod end of servo cylinder (7) make the bulb and form ball joint, coupling (18) with ball joint connect, coupling (18) install through fixing bolt (15) connecting body (19) on, connection panel (17) upper surface link firmly panel support (13), panel support (13) through screw (14) with connecting body (19) threaded connection.
5. A stability test apparatus for aerodynamic loading of curved members as defined in claim 4, wherein: a plurality of height cushion blocks 16 are fixedly arranged between the connecting panel (17) and the panel support (13).
6. A stability test apparatus for aerodynamic loading of curved members as defined in claim 5, wherein: the lower surface of the connecting panel (17) is manufactured into a shape corresponding to the curved surface piece (10) to be tested.
7. A stability test apparatus for aerodynamic loading of curved members as defined in claim 3, wherein: the underframe (2) is a rectangular frame, and supporting feet (1) are arranged on the bottom surface of the underframe (2).
8. A stability test apparatus for aerodynamic loading of curved members as defined in claim 6, wherein: the underframe (2) is a rectangular frame, and supporting feet (1) are arranged on the bottom surface of the underframe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323070472.8U CN221280641U (en) | 2023-11-14 | 2023-11-14 | Stability test device for loading pneumatic load on curved surface part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323070472.8U CN221280641U (en) | 2023-11-14 | 2023-11-14 | Stability test device for loading pneumatic load on curved surface part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221280641U true CN221280641U (en) | 2024-07-05 |
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ID=91709849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323070472.8U Active CN221280641U (en) | 2023-11-14 | 2023-11-14 | Stability test device for loading pneumatic load on curved surface part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221280641U (en) |
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2023
- 2023-11-14 CN CN202323070472.8U patent/CN221280641U/en active Active
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