CN209296476U - Contain casing experiment loading unit outside engine - Google Patents
Contain casing experiment loading unit outside engine Download PDFInfo
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- CN209296476U CN209296476U CN201822104267.1U CN201822104267U CN209296476U CN 209296476 U CN209296476 U CN 209296476U CN 201822104267 U CN201822104267 U CN 201822104267U CN 209296476 U CN209296476 U CN 209296476U
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- connecting cylinder
- testpieces
- unit outside
- cover board
- loading
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Abstract
This application discloses contain casing experiment loading unit outside a kind of engine, belong to aero-engine test technology field, it include: the upper connecting cylinder (8) for being separately positioned on testpieces (3) both ends and lower connecting cylinder (2), upper connecting cylinder (8) is provided with cover board (7) along the axial other side, lower connecting cylinder (2) is fixed on bottom plate (1) along the axial other side, and piston plate (6) are arranged in upper connecting cylinder (8);Inner cylinder (4) is socketed in testpieces, and both ends are tightly connected piston plate and bottom plate respectively, so that constituting closed ring cavity between inner cylinder and testpieces, and blow vent is provided on piston plate, to be filled with high pressure gas to closed ring cavity;Tensile or Compressive Loading applying mechanism is optionally provided on connecting cylinder and/or cover board, to carry out Tensile or Compressive Loading test to testpieces.This application is able to achieve to testpieces structure everywhere using air pressure-loading mode, and especially the load of corner iso-stress more concentrated position applies.
Description
Technical field
The application belongs to aero-engine test technology field, in particular to contains casing test load dress outside a kind of engine
It sets.
Background technique
Outer culvert casing load carrying capacity test will also apply internal pressure in addition to loading each road mechanical load to test specimen installation side, have
Test method be to be applied internal pressure using water pocket.For guarantee test safety, water pocket has certain thickness, and containing on casing outside has
There are bumps in the mounting base of a large amount of fixed external accessories, pipeline and bracket, casing inner surface, water pocket cannot be with it when causing to load
Fitting completely, is unable to the actual loading conditions of accurate simulation casing.
Utility model content
The purpose of the application, which is to provide outside engine, contains casing experiment loading unit, to solve asking for above-mentioned at least one aspect
Topic.
This application discloses culvert casing experiment loading units outside a kind of engine, right for the outer design feature for containing casing
Existing internal pressure loading form improves, it is ensured that suffered internal pressure is consistent casing inner surface everywhere, simulate casing it is practical by
Carry situation.The experiment loading unit includes:
Be respectively set outside contain casing testpieces both ends upper connecting cylinder and lower connecting cylinder, the upper connecting cylinder along axial direction
The other side be provided with cover board, the lower connecting cylinder is fixed on bottom plate along the axial other side, setting in the upper connecting cylinder
There is the piston plate being tightly connected with upper connecting cylinder side wall;
Inner cylinder is socketed in the testpieces, and both ends are tightly connected the piston plate and the bottom plate respectively, described interior
Closed ring cavity is constituted between cylinder and the testpieces, and is provided with blow vent on the piston plate, with to the closed ring cavity
It is filled with high pressure gas;
Tensile or Compressive Loading applying mechanism is optionally provided on the upper connecting cylinder and/or cover board.
Preferably, the Tensile or Compressive Loading applying mechanism includes the lateral force load machine being arranged on the upper connecting cylinder
Structure, the axis direction of the loading direction of the lateral power load maintainer perpendicular to the inner cylinder.
Preferably, the Tensile or Compressive Loading applying mechanism includes the axial power load maintainer being arranged on the cover board, institute
The loading direction for stating axial power load maintainer is parallel to the axis direction of the inner cylinder.
Preferably, the axial power load maintainer includes two.
Preferably, the Tensile or Compressive Loading applying mechanism includes the torque loading mechanism being arranged on the cover board, described
One end of torque loading mechanism is hinged on the cover board, and the load that the torque loading mechanism applies has along the cover board
The component of tangential direction.
Preferably, there is through-hole, air pressure-loading pipeline is connected on the piston plate by the through-hole on the cover board
Blow vent.
Preferably, the second blow vent for connecting the closed ring cavity is provided on the piston plate, to connect pressure gauge.
Preferably, the testpieces, upper connecting cylinder and lower connecting cylinder all have flange along axial end portion, and pass through spiral shell
Nail connection.
Preferably, between the testpieces and the upper connecting cylinder and the testpieces and the lower connecting cylinder it
Between be provided with sealing ring.
Preferably, the both ends of the inner cylinder all have flange, are respectively used to conform to the piston plate and the bottom plate
On, and be connected with each other by screw.
The application is able to achieve to structure everywhere without the air pressure-loading mode of water pocket, and especially corner iso-stress more concentrates position
The load set applies, and has apparent advantage compared to water pocket;
While this experimental rig is able to achieve the pressure loading and concentrated force load of big structure, synchronous coordination load.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for containing a preferred embodiment of casing experiment loading unit outside the application engine.
Fig. 2 is enlarged diagram at the A of Fig. 1 shown device.
Fig. 3 is enlarged diagram at the B of Fig. 1 shown device.
Fig. 4 is that the cover board load of Fig. 1 shown device applies schematic diagram.
Wherein, 1- bottom plate, connecting cylinder under 2-, 3- testpieces, 4- inner cylinder, 5- load-bearing frame, 6- piston plate, 7- cover board, 8-
Upper connecting cylinder, 9- axial direction power load maintainer, 10- air pressure-loading pipeline, 11- pressure gauge, the side 12- is to power load maintainer, 13- torque
Loading mechanism.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
Contain casing experiment loading unit outside the application engine, carries out load test for externally containing casing testpieces 3, such as
Shown in Fig. 1, specifically include that
Be separately positioned on 3 both ends of testpieces upper connecting cylinder 8 and lower connecting cylinder 2, the upper connecting cylinder 8 along axial direction
The other side be provided with cover board 7, the lower connecting cylinder 2 is fixed on bottom plate 1 along the axial other side, in the upper connecting cylinder 8
It is provided with the piston plate 6 being tightly connected with upper 8 side wall of connecting cylinder;
Inner cylinder 4 is socketed in the testpieces 3, and both ends are tightly connected the piston plate 6 and the bottom plate 1, institute respectively
It states and constitutes closed ring cavity between inner cylinder 4 and the testpieces 3, and be provided with blow vent on the piston plate 6, with to described close
Closed loop chamber is filled with high pressure gas;
Tensile or Compressive Loading applying mechanism is optionally provided on the upper connecting cylinder 8 and/or cover board 7.
In the present embodiment, testpieces 3 is fixed on the bottom plate 1 being connected with basic platform by lower connecting cylinder 2.Inner cylinder 4
One end is connected with bottom plate 1, and the other end is connected with piston plate 6, the axial gas forces acted on piston plate for bearing internal pressure.Bottom
Plate 1, lower connecting cylinder 2, testpieces 3, upper connecting cylinder 8, piston plate 6 and inner cylinder 4 form a closed cavity, install side and junction
It is sealed using O-ring, is inflated by air pump into closed cavity and apply internal pressure load, simulate interior ballast suffered by outer culvert casing
Lotus.
In some optional embodiments, the Tensile or Compressive Loading applying mechanism includes being arranged on the upper connecting cylinder 8
Lateral power load maintainer 12, as shown in Fig. 1 and Fig. 4, the loading direction of the lateral power load maintainer 12 is perpendicular to the inner cylinder 4
Axis direction.With reference to Fig. 2, lateral 12 one end of power load maintainer can connect outwardly extending auricle of supreme connecting cylinder 8 etc. and add
It carries on loading end, lateral 12 shell of power load maintainer can be fixed on load wall, or be fixed on and be arranged on basic platform
Column on, lateral power load maintainer 12 can be pressurized strut, throttle etc..
In some optional embodiments, the Tensile or Compressive Loading applying mechanism includes the axial direction being arranged on the cover board 7
Power load maintainer 9, as shown in Figure 1, the loading direction of the axial direction power load maintainer 9 is parallel to the axis direction of the inner cylinder 4,
In some optional embodiments, the axial direction power load maintainer 9 includes two or more, different axial power load maintainers 9
Apply different load, it can be practical with load bending load.
In some optional embodiments, the Tensile or Compressive Loading applying mechanism includes the torque being arranged on the cover board 7
Loading mechanism 13, one end of the torque loading mechanism 13 are hinged on the cover board 7, as shown in figure 4, the torque loads machine
The load that structure applies has the component of the tangential direction along the cover board 7, and the present embodiment is especially suitable for taking two torques to add
Mounted mechanism 13, the center of circle along the cover board 7 is symmetrical, by applying pulling force to two torque loading mechanisms 13, so that institute
Stating cover board 7 has the trend rotated around the center of circle, to realize the application of torque load on effect to testpieces 3.
In some optional embodiments, there is through-hole, as shown in Figure 1, air pressure-loading pipeline 10 passes through on the cover board 7
The through-hole connects the blow vent on the piston plate 6.
In some optional embodiments, the second blow vent for connecting the closed ring cavity is provided on the piston plate 6,
To connect pressure gauge 11, it is to be understood that the pressure gauge, which can also pass through, has through-hole on cover board 7, see convenient for testing crew
Air pressure meter reading is examined, gas pressure loads is understood and applies situation.
In some optional embodiments, as shown in Figures 2 and 3, the testpieces 3, upper connecting cylinder 8 and lower connecting cylinder
2 all have flange along axial end portion, and are connected by screw to.
In some optional embodiments, between the testpieces 3 and the upper connecting cylinder 8 and the testpieces 3 with
Sealing ring is provided between the lower connecting cylinder 2.
In some optional embodiments, the both ends of the inner cylinder 4 all have flange, are respectively used to conform to the piston
On plate 6 and the bottom plate 1, and it is connected with each other by screw.
The application has the following advantages:
The air pressure-loading mode of no water pocket is able to achieve to structure everywhere, especially the load of corner iso-stress more concentrated position
Lotus applies, and has apparent advantage compared to water pocket;
While this experimental rig is able to achieve the pressure loading and concentrated force load of big structure, synchronous coordination load.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. containing casing experiment loading unit outside engine, load test is carried out for externally containing casing testpieces (3), feature exists
In, comprising:
Be separately positioned on the testpieces (3) both ends upper connecting cylinder (8) and lower connecting cylinder (2), the edge of the upper connecting cylinder (8)
The axial other side is provided with cover board (7), and the lower connecting cylinder (2) is fixed on bottom plate (1) along the axial other side, it is described on
The piston plate (6) being tightly connected with upper connecting cylinder (8) side wall is provided in connecting cylinder (8);
Inner cylinder (4) is socketed in the testpieces (3), and both ends are tightly connected the piston plate (6) and the bottom plate respectively
(1), closed ring cavity is constituted between the inner cylinder (4) and the testpieces (3), and be provided with ventilation on the piston plate (6)
Mouthful, to be filled with high pressure gas to the closed ring cavity;
Tensile or Compressive Loading applying mechanism is optionally provided on the upper connecting cylinder (8) and/or cover board (7).
2. containing casing experiment loading unit outside engine according to claim 1, which is characterized in that the Tensile or Compressive Loading is applied
Adding mechanism includes the lateral power load maintainer (12) being arranged on the upper connecting cylinder (8), the lateral power load maintainer (12)
Loading direction perpendicular to the inner cylinder (4) axis direction.
3. containing casing experiment loading unit outside engine according to claim 1, which is characterized in that the Tensile or Compressive Loading is applied
Adding mechanism includes the axial power load maintainer (9) being arranged on the cover board (7), the load of the axial direction power load maintainer (9)
It is oriented parallel to the axis direction of the inner cylinder (4).
4. containing casing experiment loading unit outside engine according to claim 3, which is characterized in that the axial force load
Mechanism (9) includes two.
5. containing casing experiment loading unit outside engine according to claim 1, which is characterized in that the Tensile or Compressive Loading is applied
Adding mechanism includes the torque loading mechanism (13) being arranged on the cover board (7), one end hinge of the torque loading mechanism (13)
It connects on the cover board (7), the load that the torque loading mechanism applies has point of the tangential direction along the cover board (7)
Amount.
6. containing casing experiment loading unit outside engine according to claim 1, which is characterized in that on the cover board (7)
With through-hole, air pressure-loading pipeline (10) connects the blow vent on the piston plate (6) by the through-hole.
7. containing casing experiment loading unit outside engine according to claim 1, which is characterized in that the piston plate (6)
On be provided with the second blow vent for connecting the closed ring cavity, to connect pressure gauge (11).
8. containing casing experiment loading unit outside engine according to claim 1, which is characterized in that the testpieces (3),
Upper connecting cylinder (8) and lower connecting cylinder (2) all have flange along axial end portion, and are connected by screw to.
9. containing casing experiment loading unit outside engine according to claim 8, which is characterized in that the testpieces (3)
Sealing ring is provided between the upper connecting cylinder (8) and between the testpieces (3) and the lower connecting cylinder (2).
10. containing casing experiment loading unit outside engine according to claim 1, which is characterized in that the inner cylinder (4)
Both ends all have flange, are respectively used to conform on the piston plate (6) and the bottom plate (1), and are connected with each other by screw.
Priority Applications (1)
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CN201822104267.1U CN209296476U (en) | 2018-12-14 | 2018-12-14 | Contain casing experiment loading unit outside engine |
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CN201822104267.1U CN209296476U (en) | 2018-12-14 | 2018-12-14 | Contain casing experiment loading unit outside engine |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112213088A (en) * | 2020-09-22 | 2021-01-12 | 上海航天精密机械研究所 | Cabin structure compression-shear coupling load test device |
CN112504684A (en) * | 2020-12-16 | 2021-03-16 | 天津航天瑞莱科技有限公司 | Static, thermal and internal pressure load test device for culvert casing |
CN112630055A (en) * | 2021-03-09 | 2021-04-09 | 天津航天瑞莱科技有限公司 | Aeroengine case thermal-static coupling test system |
CN113984361A (en) * | 2021-10-26 | 2022-01-28 | 中国航发沈阳发动机研究所 | Engine case internal pressure test device |
CN115266347A (en) * | 2022-07-27 | 2022-11-01 | 中国航发沈阳发动机研究所 | Static strength test device for turbine rear case of aircraft engine |
-
2018
- 2018-12-14 CN CN201822104267.1U patent/CN209296476U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112213088A (en) * | 2020-09-22 | 2021-01-12 | 上海航天精密机械研究所 | Cabin structure compression-shear coupling load test device |
CN112504684A (en) * | 2020-12-16 | 2021-03-16 | 天津航天瑞莱科技有限公司 | Static, thermal and internal pressure load test device for culvert casing |
CN112630055A (en) * | 2021-03-09 | 2021-04-09 | 天津航天瑞莱科技有限公司 | Aeroengine case thermal-static coupling test system |
CN113984361A (en) * | 2021-10-26 | 2022-01-28 | 中国航发沈阳发动机研究所 | Engine case internal pressure test device |
CN113984361B (en) * | 2021-10-26 | 2024-04-16 | 中国航发沈阳发动机研究所 | Engine casing internal pressure test device |
CN115266347A (en) * | 2022-07-27 | 2022-11-01 | 中国航发沈阳发动机研究所 | Static strength test device for turbine rear case of aircraft engine |
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