CN111157250A - Stress application barrel structure strength tester for axisymmetric thrust vector complex load - Google Patents
Stress application barrel structure strength tester for axisymmetric thrust vector complex load Download PDFInfo
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- CN111157250A CN111157250A CN202010008761.7A CN202010008761A CN111157250A CN 111157250 A CN111157250 A CN 111157250A CN 202010008761 A CN202010008761 A CN 202010008761A CN 111157250 A CN111157250 A CN 111157250A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The application belongs to the technical field of aero-engine strength tests, and particularly relates to a stress application barrel structure strength tester for complex loads of axisymmetric thrust vectors. The method comprises the following steps: the test device comprises a base platform, a test piece, a force bearing frame and a plurality of load loading assemblies. The lower end of the test piece is provided with a front mounting edge, the front mounting edge is fixed on a basic platform through a simulation mounting plate, the middle part of the test piece is provided with an auxiliary mounting section, three groups of A8 actuating cylinders are uniformly arranged on the auxiliary mounting section along the circumferential direction, each group comprises two A8 actuating cylinders which are oppositely arranged, the auxiliary mounting section is provided with an A9 actuating cylinder through a mounting seat, the outer wall of the test piece is provided with an A9 rail seat, and the upper end of the test piece is provided with a rear mounting edge; the bearing frame is arranged on the foundation platform, arranged on the outer side of the test piece and used for installing the load loading assembly; the plurality of load applying assemblies are respectively used for applying loads to the parts on the test piece. The application can meet the test requirements of the stressing barrels of engines of various models.
Description
Technical Field
The application belongs to the technical field of aero-engine strength tests, and particularly relates to a stress application barrel structure strength tester for complex loads of axisymmetric thrust vectors.
Background
When the engine is assembled with the vectoring nozzle, the boosting cylinder body not only bears the load of the auxiliary mounting joint, but also needs to bear the loads of the A8 and A9 actuating cylinders, and the stress distribution is greatly different from that of the traditional boosting cylinder body. The engine boosting cylinder assembly is tested to know the bearing capacity of the A8, A9 mounting seat and A9 rail seat, and whether the boosting cylinder can meet the strength design requirement is verified. The engines of multiple models need to have a vector thrust function and serve as a direct bearing structure of vector side loads, and the stress application barrel casing needs to be improved in strength and verified urgently.
The tester in the prior art does not have the strength test capability of the engine boosting cylinder body with the vector thrust function, only can check the strength of the mounting section and the front and rear mounting edges, has insufficient test capability and bearing capability, and cannot meet the large test piece and large load test; the loading channels are few, the loading of complex loads cannot be met, and the problem of mutual interference of the loads cannot be solved; the transformation space is small, is limited by a test platform, and cannot meet the requirement of the strength test of the engine stressing cylinder body developed in the future.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide a stress application cylinder structure strength tester for complex loads of axisymmetric thrust vectors, which aims to solve at least one problem in the prior art.
The technical scheme of the application is as follows:
the utility model provides a afterburning barrel structure strength test ware of complicated load of axial symmetry thrust vector, includes:
a base platform;
the test piece comprises a test piece, wherein a front mounting edge is arranged at the lower end of the test piece and fixed on a foundation platform through a simulation mounting plate, an auxiliary mounting section is arranged in the middle of the test piece, three groups of A8 actuating cylinders are uniformly arranged on the auxiliary mounting section along the circumferential direction, each group comprises two A8 actuating cylinders which are oppositely arranged, an A9 actuating cylinder is arranged on the auxiliary mounting section through a mounting seat, an A9 rail seat is arranged on the outer wall of the test piece, and a rear mounting edge is arranged at the upper end of the test piece;
the bearing frame is arranged on the foundation platform, arranged on the outer side of the test piece and used for installing a load loading assembly;
the auxiliary mounting joint load loading assembly is connected with one end of the auxiliary mounting joint load loading assembly and used for applying load to the auxiliary mounting joint;
the A8 actuating cylinder load loading assembly is mounted on the bearing frame, and one end of the A8 actuating cylinder load loading assembly is connected with the A8 actuating cylinder and is used for applying load to the A8 actuating cylinder;
an a9 ram load loading assembly, one end of the a9 ram load loading assembly being connected to the a9 ram for applying a load to the a9 ram;
the A9 track seat load loading assembly is mounted on the bearing frame, and one end of the A9 track seat load loading assembly is connected with the A9 track seat and is used for applying load to the A9 track seat;
and the rear mounting edge load loading assembly is mounted on the bearing frame, and one end of the rear mounting edge load loading assembly is connected with the rear mounting edge and is used for applying axial load to the rear mounting edge.
Optionally, the simulation mounting panel is circular, set up along circumference on the simulation mounting panel a plurality of be used for with install limit bolted connection's mounting hole before the testpiece, the edge of simulation mounting panel set up a plurality of be used for with base platform bolted connection's mounting groove, it is a plurality of the direction homogeneous phase of mounting groove is the same.
Optionally, the system further comprises a column, the column is mounted on the base platform, and the auxiliary mounting joint load loading assembly is mounted on the column.
Optionally, the auxiliary mounting joint load loading assembly includes a first pull rod, a first actuator cylinder and a first sensor, one end of the first pull rod is connected to the auxiliary mounting joint, the other end of the first pull rod is connected to the first actuator cylinder, the first sensor is mounted at the other end of the first actuator cylinder, and the first actuator cylinder is fixed to the column.
Optionally, the A8 ram load loading assembly includes a second pull rod, a second ram, and a second sensor, one end of the second pull rod is connected to the A8 ram, the other end of the second pull rod is connected to the second ram, the second sensor is mounted at the other end of the second ram, and the second ram is fixed to the load-bearing frame.
Optionally, the a9 pressurized strut load-carrying subassembly includes pull rod formula self-adaptation closed loop load-carrying structure, third pull rod, third actuating cylinder and third sensor, wherein, pull rod formula self-adaptation closed loop load-carrying structure fixes on the basic platform, the one end of third actuating cylinder is installed on the pull rod formula self-adaptation closed loop load-carrying structure, vertical downward loading can be followed to the third actuating cylinder, the third pull rod is installed to the other end of third actuating cylinder, the other end of third pull rod with the mount pad of a9 actuating cylinder is connected, the third actuating cylinder with install between the third pull rod the third sensor.
Optionally, the a9 rail seat load loading assembly includes a fourth pull rod, a fourth actuator cylinder and a fourth sensor, one end of the fourth pull rod is connected to the a9 rail seat, the other end of the fourth pull rod is connected to the fourth actuator cylinder, the fourth sensor is mounted at the other end of the fourth actuator cylinder, and the fourth actuator cylinder is fixed to the force-bearing frame.
Optionally, the rear mounting edge load loading assembly includes a fifth pull rod, a fifth actuator cylinder and a fifth sensor, one end of the fifth pull rod is connected to the rear mounting edge, the other end of the fifth pull rod is connected to the fifth actuator cylinder, the fifth sensor is mounted at the other end of the fifth actuator cylinder, and the second actuator cylinder is fixed to the force-bearing frame.
The invention has at least the following beneficial technical effects:
the application of the afterburning barrel structure strength tester of the complicated load of axisymmetric thrust vector can adapt to the test piece with load on the surface of the casing, and load the load of a plurality of installation joints, and the test loading channel can reach 11 ways, thereby meeting the test requirements of afterburning barrels of a plurality of models of engines.
Drawings
FIG. 1 is a schematic view of an auxiliary mounting joint load loading assembly of a thrust augmentation barrel structure strength tester for axisymmetric thrust vector complex loads according to an embodiment of the present application;
FIG. 2 is a schematic view of the A8 ram load assembly of the thrust cylinder structural strength tester for axisymmetric thrust vector complex loads in accordance with one embodiment of the present application;
FIG. 3 is a schematic view of the A9 ram load assembly of the thrust cylinder structural strength tester for axisymmetric thrust vector complex loads in accordance with one embodiment of the present application;
FIG. 4 is a schematic diagram of an A9 rail seat load loading assembly and a rear mounting edge load loading assembly of a thrust cylinder structural strength tester for axisymmetric thrust vector complex loads according to an embodiment of the present application;
FIG. 5 is a schematic view of a simulated mounting plate of a thrust cylinder structure strength tester for axisymmetric thrust vector complex loads according to an embodiment of the present application.
Wherein:
1-a base platform; 2-test piece; 3-front mounting edge; 4-simulating a mounting plate; 5-auxiliary mounting section; 51-a first pull rod; 52-a first ram; 53-a first sensor; 6-A8 actuator cylinder; 61-a second pull rod; 62-a second actuator cylinder; 63-a second sensor; 7-A9 actuator cylinder; 71-pull rod type self-adaptive closed loop bearing structure; 72-a third pull rod; 73-a third actuating cylinder; 74-a third sensor; 8-A9 rail seat; 81-a fourth pull rod; 82-a fourth actuator cylinder; 83-a fourth sensor; 9-rear mounting edge; 91-a fifth pull rod; 92-a fifth actuator cylinder; 93-a fifth sensor; 10-a force bearing frame; 11-upright post.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1 to 5.
The application provides afterburning tube structure strength test ware of complicated load of axial symmetry thrust vector, include: the test device comprises a base platform 1, a test piece 2, a force bearing frame 10, an auxiliary mounting joint load loading assembly, an A8 actuator cylinder load loading assembly, an A9 actuator cylinder load loading assembly, an A9 rail seat load loading assembly and a rear mounting side load loading assembly.
Specifically, the lower end of a test piece 2 is provided with a front mounting edge 3, the front mounting edge 3 is fixed on a basic platform 1 through a simulation mounting plate 4, the middle part of the test piece 2 is provided with an auxiliary mounting section 5, three groups of A8 actuating cylinders 6 are uniformly arranged on the auxiliary mounting section 5 along the circumferential direction, each group comprises two A8 actuating cylinders 6 which are oppositely arranged, an A9 actuating cylinder 7 is arranged on the auxiliary mounting section 5 through a mounting seat, an A9 rail seat 8 is arranged on the outer wall of the test piece 2, and the upper end of the test piece 2 is provided with a rear mounting edge 9; the force bearing frame 10 is arranged on the foundation platform 1, arranged on the outer side of the test piece 2 and used for installing the load loading assembly; one end of the auxiliary mounting section load loading assembly is connected with the auxiliary mounting section 5 and is used for applying load to the auxiliary mounting section 5; the A8 actuator cylinder load loading assembly is arranged on the bearing frame 10, and one end of the A8 actuator cylinder load loading assembly is connected with the A8 actuator cylinder 6 and is used for applying load to the A8 actuator cylinder 6; one end of the a9 ram load assembly is connected to the a9 ram 7 for applying a load to the a9 ram 7; the A9 rail seat load loading assembly is arranged on the force bearing frame 10, one end of the A9 rail seat load loading assembly is connected with the A9 rail seat 8, and the A9 rail seat load loading assembly is used for applying load to the A9 rail seat 8; the rear mounting edge load loading assembly is mounted on the force bearing frame 10, and one end of the rear mounting edge load loading assembly is connected with the rear mounting edge 9 and used for applying axial load to the rear mounting edge 9.
In one embodiment of the present application, referring to fig. 5, the simulation mounting plate 4 is circular, a plurality of mounting holes for bolting with the front mounting edge of the test piece 2 are formed in the simulation mounting plate 4 along the circumferential direction, a plurality of mounting grooves for bolting with the base platform 1 are formed in the edge of the simulation mounting plate 4, and the directions of the mounting grooves are the same. The reasonable distribution simulates the bearing bolts connecting the mounting plate 4 and the foundation platform 1, so that the large load is uniformly distributed on the foundation platform 1, and the bearing capacity is increased.
The application discloses afterburning barrel structure strength tester of complicated load of axisymmetric thrust vector satisfies the experimental demand of afterburning barrel intensity of different models through building 3m 2 m's force-bearing frame 10.
The application discloses afterburning barrel structure strength test ware of complicated load of axisymmetric thrust vector, in order to enlarge holding power, make it can satisfy different models, the experimental demand of different size afterburning barrel strength, still must possess the ability that the big load bore simultaneously. In one embodiment of the present application, the present invention further comprises a column 11, wherein the column 11 is installed on the foundation platform 1, and the auxiliary mounting joint load loading assembly is installed on the column 11. In this embodiment, adopt and increase 2m stand and enlarge tester holding capacity, adopt the high rigidity bearing beam of two square steel to replace traditional I-shaped steel roof beam, promote crossbeam stability and bearing capacity.
In one embodiment of the present application, as shown in fig. 1, the auxiliary mount joint load loading assembly includes a first rod 51, a first actuator cylinder 52, and a first sensor 53, one end of the first rod 51 is connected to the auxiliary mount joint 5, the other end is connected to the first actuator cylinder 52, the other end of the first actuator cylinder 52 is mounted with the first sensor 53, and the first actuator cylinder 52 is fixed to the column 11.
In one embodiment of the present application, as shown in fig. 2, the A8 ram load loading assembly includes a second pull rod 61, a second ram 62 and a second sensor 63, one end of the second pull rod 61 is connected to the A8 ram 6, the other end is connected to the second ram 62, the other end of the second ram 62 is mounted with the second sensor 63, the second ram 62 is fixed to the force-bearing frame 10, and the load is applied to the adjustable pull rod of the A8 ram through an A8 ram load loading assembly composed of the second pull rod 61, the second ram 62 and the second sensor 63.
In one embodiment of the present application, as shown in fig. 3, the a9 ram load loading assembly includes a tie-rod type adaptive closed-loop force-bearing structure 71, a third tie-rod 72, a third ram 73, and a third sensor 74, where the tie-rod type adaptive closed-loop force-bearing structure 71 is fixed on the base platform 1, one end of the third ram 73 is installed on the tie-rod type adaptive closed-loop force-bearing structure 71, the third ram 73 can load downwards in the vertical direction, the other end of the third ram 73 is installed with the third tie-rod 72, the other end of the third tie-rod 72 is connected with the mounting seat of the a9 ram, and the third sensor 74 is installed between the third ram 73 and the third tie-rod 72. By adopting the pull rod type self-adaptive closed-loop bearing structure, the limit that the mounting position is narrow and small, the applied load channel is complex and the traditional beam upright post bearing system cannot be mounted and used is overcome, and the problems of dense loading points, interference of the bearing structure and difficulty in mounting are effectively solved.
In one embodiment of the present application, as shown in fig. 4, the a9 rail seat load loading assembly includes a fourth pull rod 81, a fourth actuator cylinder 82, and a fourth sensor 83, one end of the fourth pull rod 81 is connected to the a9 rail seat 8, the other end is connected to the fourth actuator cylinder 82, the other end of the fourth actuator cylinder 82 is mounted with the fourth sensor 83, and the fourth actuator cylinder 82 is fixed to the force-bearing frame 10. The rear mounting edge load loading assembly comprises a fifth pull rod 91, a fifth actuating cylinder 92 and a fifth sensor 93, one end of the fifth pull rod 91 is connected with the rear mounting edge 9, the other end of the fifth actuating cylinder 92 is connected, the fifth sensor 93 is mounted at the other end of the fifth actuating cylinder 92, the second actuating cylinder 92 is fixed on the force bearing frame 10, and the axial load of the rear mounting edge 9 is applied through the rear mounting edge load loading assembly consisting of the fifth pull rod 91, the fifth actuating cylinder 92 and the fifth sensor 93.
The application discloses afterburning barrel structure strength tester of complicated load of axisymmetric thrust vector has adopted brand-new load-carrying structure, through pull rod formula self-adaptation closed loop load-carrying structure 71, has overcome that the mounted position is narrow and small, the load passageway that applys is complicated and the unable restriction of installing and using of traditional crossbeam stand bearing system, has effectively solved the problem that the loading point is intensive, load-carrying structure interferes, the installation difficulty. The simulated mounting plate 4 is adopted to reasonably distribute the load transmitted by the bearing bolt connected with the foundation platform 1 and the bearing pull rod type self-adaptive closed-loop bearing structure 71, so that the large load is uniformly distributed on the platform, and the bearing capacity is increased. The engine boosting cylinder body test device has the advantages of large expansion space and strong adaptability, can be adjusted as required, and can meet the test requirements of boosting cylinder bodies of engines of multiple models.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a afterburning tube structure strength test ware of complicated load of axial symmetry thrust vector which characterized in that includes:
a base platform (1);
the test piece (2), the lower extreme of test piece (2) is provided with preceding installation limit (3), preceding installation limit (3) are fixed on basic platform (1) through simulation mounting panel (4), the mid-mounting of test piece (2) has supplementary erection joint (5), evenly install three A8 driving cylinders (6) of group on supplementary erection joint (5) along circumference, every group includes two relative settings the A8 driving cylinder (6), install A9 driving cylinder (7) through the mount pad on supplementary erection joint (5), install A9 rail seat (8) on the outer wall of test piece (2), the upper end of test piece (2) is provided with back installation limit (9);
the bearing frame (10) is installed on the foundation platform (1), arranged on the outer side of the test piece (2) and used for installing a load loading assembly;
one end of the auxiliary mounting joint load loading component is connected with the auxiliary mounting joint (5) and is used for applying load to the auxiliary mounting joint (5);
the A8 actuator cylinder load loading assembly is mounted on the bearing frame (10), and one end of the A8 actuator cylinder load loading assembly is connected with the A8 actuator cylinder (6) and is used for applying load to the A8 actuator cylinder (6);
an A9 ram load loading assembly, one end of the A9 ram load loading assembly being connected to the A9 ram (7) for applying a load to the A9 ram (7);
an A9 rail seat load loading assembly, wherein the A9 rail seat load loading assembly is installed on the bearing frame (10), and one end of the A9 rail seat load loading assembly is connected with the A9 rail seat (8) and is used for applying load to the A9 rail seat (8);
the rear mounting side load loading assembly is mounted on the bearing frame (10), one end of the rear mounting side load loading assembly is connected with the rear mounting side (9), and the rear mounting side load loading assembly is used for applying axial load to the rear mounting side (9).
2. The thrust augmentation cylinder structure strength tester for the axisymmetric thrust vector complex load according to claim 1, wherein the simulation mounting plate (4) is circular, a plurality of mounting holes for being in bolted connection with a front mounting edge of the test piece (2) are formed in the simulation mounting plate (4) along the circumferential direction, a plurality of mounting grooves for being in bolted connection with the base platform (1) are formed in the edge of the simulation mounting plate (4), and the directions of the mounting grooves are the same.
3. The thrust vectoring complex load boost barrel structure strength tester of claim 1 further comprising a column (11), said column (11) being mounted on said base platform (1), said auxiliary mount joint load loading assembly being mounted on said column (11).
4. The thrust vectoring complex load thrust augmentation barrel structural strength tester of claim 3, wherein said auxiliary mount joint load loading assembly comprises a first pull rod (51), a first actuator cylinder (52) and a first sensor (53), one end of said first pull rod (51) is connected to said auxiliary mount joint (5) and the other end is connected to said first actuator cylinder (52), said first sensor (53) is mounted to the other end of said first actuator cylinder (52), and said first actuator cylinder (52) is fixed to said column (11).
5. The thrust vectoring complex load thrust augmentation cylinder structural strength tester of claim 1 wherein said A8 ram load loading assembly comprises a second tie rod (61), a second ram (62) and a second sensor (63), said second tie rod (61) is connected to said A8 ram (6) at one end and to said second ram (62) at the other end, said second sensor (63) is mounted to said second ram (62) at the other end, said second ram (62) is fixed to said force-bearing frame (10).
6. The thrust vectorial complex load thrust augmentation barrel structure strength tester of claim 1, the A9 actuator cylinder load loading assembly is characterized by comprising a pull rod type self-adaptive closed-loop force-bearing structure (71), a third pull rod (72), a third actuator cylinder (73) and a third sensor (74), wherein the pull rod type self-adaptive closed loop bearing structure (71) is fixed on the foundation platform (1), one end of the third actuating cylinder (73) is arranged on the pull rod type self-adaptive closed loop force-bearing structure (71), the third actuating cylinder (73) can be loaded downwards along the vertical direction, the other end of the third actuating cylinder (73) is provided with the third pull rod (72), the other end of the third pull rod (72) is connected with a mounting seat of the A9 actuator cylinder, the third sensor (74) is mounted between the third cylinder (73) and the third rod (72).
7. The thrust vectoring complex load boost cylinder structural strength tester of claim 1 wherein the a9 rail seat load loading assembly comprises a fourth pull rod (81), a fourth actuator cylinder (82) and a fourth sensor (83), one end of the fourth pull rod (81) is connected with the a9 rail seat (8), the other end of the fourth pull rod is connected with the fourth actuator cylinder (82), the fourth sensor (83) is mounted at the other end of the fourth actuator cylinder (82), and the fourth actuator cylinder (82) is fixed on the bearing frame (10).
8. The thrust augmentation cylinder structural strength tester for axisymmetric thrust vector complex loads according to claim 1, wherein the rear mounting edge load loading assembly comprises a fifth pull rod (91), a fifth actuator cylinder (92) and a fifth sensor (93), one end of the fifth pull rod (91) is connected with the rear mounting edge (9), the other end of the fifth pull rod is connected with the fifth actuator cylinder (92), the fifth sensor (93) is mounted at the other end of the fifth actuator cylinder (92), and the second actuator cylinder (92) is fixed on the force bearing frame (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008761.7A CN111157250B (en) | 2020-01-06 | 2020-01-06 | Stress application barrel structure strength tester for axisymmetric thrust vector complex load |
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| CN202010008761.7A CN111157250B (en) | 2020-01-06 | 2020-01-06 | Stress application barrel structure strength tester for axisymmetric thrust vector complex load |
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| CN111157250B CN111157250B (en) | 2021-11-19 |
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| CN111157250B (en) | 2021-11-19 |
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