Hydraulic sealing test bed for aero-engine assembly

Abstract

The utility model discloses an aero-engine component hydraulic sealing test bench in the technical field of mechanical equipment, which comprises an operating platform and a hydraulic cylinder body, an equipment control box is arranged on the back of the operating platform, two groups of support blocks are symmetrically arranged in the operating platform, push-pull components are arranged in the two groups of support blocks in a sliding manner, and the hydraulic cylinder body is arranged on the operating platform. The two groups of push-pull assemblies are connected with the same driving assembly; the end, away from the driving assembly, of the push-pull assembly is connected with the output end of the hydraulic cylinder body in a hinged mode, and the fixed end of the hydraulic cylinder body is connected with the inner wall of the operation table in a hinged mode. The problems that only a single hydraulic cylinder can be subjected to an independent experiment generally, the testing efficiency is low, only two ends of the hydraulic cylinder are supported when the hydraulic cylinder is fixed, the stability of the hydraulic cylinder is poor during stretching and compression experiments, components are prone to being damaged, and people cannot use the hydraulic cylinder easily are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to a hydraulic sealing test bench for aviation engine components. Background Art

[0002] In some major engineering fields, such as aerospace, shipbuilding and navigation, the cost of replacing faulty equipment is high, so in situations where hydraulic cylinder equipment is required to have high reliability, the life and performance of the newly developed reciprocating hydraulic cylinder piston seals need to be simulated.

[0003] When conducting inspection tests on hydraulic cylinders, existing hydraulic sealing test benches for aircraft engine components are usually only able to conduct separate tests on a single hydraulic cylinder, and the test efficiency is low. Moreover, when the hydraulic cylinder is fixed, only its two ends are often supported. During tension and compression tests, the stability of the hydraulic cylinder is poor, and components are easily damaged, which is not conducive to people's use. Therefore, those skilled in the art provide an aircraft engine component hydraulic sealing test bench to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide an aero-engine component hydraulic seal test bench to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aircraft engine component hydraulic sealing test bench, comprising an operating table and a hydraulic cylinder body, an equipment control box is installed on the back of the operating table, two groups of support blocks are symmetrically installed inside the operating table, push-pull components are slidably installed inside the two groups of support blocks, and the two groups of push-pull components are connected to the same drive component;

[0006] One end of the push-pull assembly away from the driving assembly is hingedly connected to the output end of the hydraulic cylinder body, and the fixed end of the hydraulic cylinder body is hingedly connected to the inner wall of the operating table. An auxiliary support assembly for clamping the hydraulic cylinder body is arranged inside the operating table.

[0007] Preferably, the push-pull assembly comprises a slide rod slidably mounted inside the support block, one end of the slide rod is connected to the drive assembly, and the other end of the slide rod is welded with a push-pull plate connected to the hydraulic cylinder body.

[0008] Preferably: the driving assembly includes a servo motor fixedly installed inside the operating table, the output end of the servo motor is connected to a turntable, a push rod away from the central axis of the turntable is welded to the side away from the servo motor, a movable frame is slidably connected to the surface of the push rod, and the side of the movable frame is welded to the end of the sliding rod.

[0009] Preferably, the driving assembly further comprises a movable rod welded to the end of the push rod, a rotating rod is welded to one end of the movable rod away from the push rod, and a support plate rotatably connected to the rotating rod is welded inside the operating table.

[0010] Preferably: the auxiliary support assembly comprises two sets of fixing plates welded inside the operating table, two sets of clamping plates clamped on the outer ring of the hydraulic cylinder body are arranged between the two sets of fixing plates, and a fastening assembly for adjusting the spacing between the two sets of clamping plates is installed between the two sets of fixing plates.

[0011] Preferably: the fastening assembly includes a fastening screw rotatably connected to the two groups of fixed plates, the fastening screw is threadedly connected to the two groups of clamping plates, the rotation of the fastening screw can drive the two groups of clamping plates to move relative or in the opposite direction, round rods on both sides of the fastening screw are welded between the two groups of fixed plates, and the clamping plates are slidably connected to the two groups of round rods.

[0012] Preferably, a connecting plate is welded to one end of the fastening screw, and a plurality of groups of hand grips are welded to the outer ring of the connecting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a servo motor is provided to drive the turntable and the push rod to rotate, and the push rod drives the movable frame, the slide rod and the push-pull plate to move left and right. The two sets of push-pull plates can respectively drive the hydraulic cylinder bodies connected thereto to stretch or compress, so that the hydraulic sealing test of the two sets of hydraulic cylinder bodies can be carried out conveniently at the same time, which is beneficial to improving the experimental efficiency. The hydraulic cylinder bodies that have completed the hydraulic sealing test can be used in important fields such as aviation.

[0015] 2. In the utility model, by setting a fastening screw, the two sets of clamping plates can be driven to move relative to each other. The clamping plates are fastened to the outer ring of the hydraulic cylinder body, which can provide a stable support for the hydraulic cylinder body, prevent the hydraulic cylinder body from lateral deviation during the experiment and damage to the components, etc., thereby improving the safety of the hydraulic cylinder body during the hydraulic sealing test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a top view of the overall structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A is an enlarged view of the middle image.

[0019] In the figure: 1. operating table; 2. hydraulic cylinder body; 3. equipment control box; 4. support block; 5. sliding rod; 6. push-pull plate; 7. servo motor; 8. turntable; 9. push rod; 10. movable frame; 11. movable rod; 12. rotating rod; 13. supporting plate; 14. fixing plate; 15. clamping plate; 16. fastening screw; 17. round rod; 18. connecting plate; 19. hand grip. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 to Figure 3 In an embodiment of the utility model, an aircraft engine component hydraulic sealing test bench includes an operating table 1 and a hydraulic cylinder body 2. An equipment control box 3 is installed on the back of the operating table 1. Two groups of support blocks 4 are symmetrically installed inside the operating table 1. Push-pull components are slidably installed inside the two groups of support blocks 4. The two groups of push-pull components are connected to the same driving component. One end of the push-pull component away from the driving component is hingedly connected to the output end of the hydraulic cylinder body 2. The fixed end of the hydraulic cylinder body 2 is hingedly connected to the inner wall of the operating table 1. An auxiliary support component for clamping the hydraulic cylinder body 2 is arranged inside the operating table 1.

[0022] When in use, the hydraulic cylinder body 2 of the aircraft engine component that needs a hydraulic sealing test is installed on the operating table 1 through a hinged connection, and the staff starts the driving assembly, which can drive the two groups of push-pull assemblies to slide in the same direction inside the support block 4. One group of push-pull assemblies drives the hydraulic rod body 2 connected to it to perform a compression test, and the other group of push-pull assemblies drives the hydraulic cylinder body 2 connected to it to perform a tensile test. The hydraulic cylinder body 2 is connected to the equipment control box 3, which can be used to detect changes in its internal hydraulic strength during the stretching and compression process, thereby detecting the sealing performance of the hydraulic cylinder body. After installing the hydraulic cylinder body 2 inside the operating table 1, the operator rotates the auxiliary support assembly, and the auxiliary support assembly can provide stable support for the hydraulic cylinder body 2.

[0023] In one embodiment, specifically, the push-pull assembly includes a slide rod 5 slidably installed inside the support block 4, one end of the slide rod 5 is connected to the drive assembly, and the other end of the slide rod 5 is welded with a push-pull plate 6 connected to the hydraulic cylinder body 2, wherein the drive assembly includes a servo motor 7 fixedly installed inside the operating table 1, the output end of the servo motor 7 is connected to a turntable 8, the side of the turntable 8 away from the servo motor 7 is welded with a push rod 9 away from the central axis, the surface of the push rod 9 is slidably connected to a movable frame 10, and the side of the movable frame 10 is welded to the end of the slide rod 5.

[0024] Start the servo motor 7, the servo motor 7 drives the turntable 8 to rotate, the turntable 8 drives the pushing rod 9 to rotate, the pushing rod 9 drives the movable frame 10 to move left and right, the movable frame 10 drives the sliding rods 5 on both sides thereof to slide inside the support block 4, the sliding rods 5 drive the push-pull plate 6 to move left and right, the push-pull plate 6 can drive the hydraulic cylinder body 2 connected thereto to be stretched or compressed. Furthermore, the driving assembly also includes a movable rod 11 welded to the end of the pushing rod 9, the end of the movable rod 11 away from the pushing rod 9 is welded to a rotating rod 12, a support plate 13 rotatably connected to the rotating rod 12 is welded inside the operating table 1, the rotation of the pushing rod 9 can drive the movable rod 11 to rotate, the movable rod 11 drives the rotating rod 12 to rotate, the support plate 13 provides support for the rotating rod 12, which can improve the supporting strength of the pushing rod 9.

[0025] In one embodiment, specifically, the auxiliary support assembly includes two groups of fixed plates 14 welded inside the operating table 1, two groups of clamping plates 15 clamped on the outer ring of the hydraulic cylinder body 2 are arranged between the two groups of fixed plates 14, and a fastening assembly for adjusting the spacing between the two groups of clamping plates 15 is installed between the two groups of fixed plates 14, wherein the fastening assembly includes a fastening screw 16 rotatably connected to the two groups of fixed plates 14, the fastening screw 16 is threadedly connected to the two groups of clamping plates 15, and the rotation of the fastening screw 16 can drive the two groups of clamping plates 15 to move relative or reversely, and round rods 17 located on both sides of the fastening screw 16 are welded between the two groups of fixed plates 14, and the clamping plate 15 is slidably connected to the two groups of round rods 17.

[0026] After the two ends of the hydraulic cylinder body 2 are fixed, the operator rotates the fastening screw 16, and the fastening screw 16 can drive the two sets of clamping plates 15 to move relative to each other. The clamping plate 15 is fastened to the outer ring of the hydraulic cylinder body 2, which can provide a stable support for the hydraulic cylinder body 2 to prevent the hydraulic cylinder body 2 from lateral deviation and damage to components during the experiment. Furthermore, a connecting plate 18 is welded to one end of the fastening screw 16, and a plurality of hand grips 19 are welded to the outer ring of the connecting plate 18, which can facilitate the operator to rotate the fastening screw 16.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An aircraft engine component hydraulic seal test bench, comprising an operating table (1) and a hydraulic cylinder body (2), wherein an equipment control box (3) is installed on the back of the operating table (1), characterized in that: Two groups of support blocks (4) are symmetrically installed inside the operating table (1), push-pull components are slidably installed inside the two groups of support blocks (4), and the two groups of push-pull components are connected to the same driving component; One end of the push-pull assembly away from the driving assembly is hingedly connected to the output end of the hydraulic cylinder body (2), the fixed end of the hydraulic cylinder body (2) is hingedly connected to the inner wall of the operating table (1), and an auxiliary support assembly for clamping the hydraulic cylinder body (2) is arranged inside the operating table (1).

2. The hydraulic seal test bench for aircraft engine components according to claim 1, characterized in that: The push-pull assembly comprises a slide rod (5) slidably mounted inside a support block (4), one end of the slide rod (5) being connected to the drive assembly, and the other end of the slide rod (5) being welded with a push-pull plate (6) connected to a hydraulic cylinder body (2).

3. The hydraulic seal test bench for aircraft engine components according to claim 2, characterized in that: The driving assembly comprises a servo motor (7) fixedly mounted inside the operating table (1); the output end of the servo motor (7) is connected to a turntable (8); a push rod (9) away from the central axis of the turntable (8) is welded to the side of the turntable (8) away from the servo motor (7); a movable frame (10) is slidably connected to the surface of the push rod (9); and the side of the movable frame (10) is welded to the end of the sliding rod (5).

4. The hydraulic seal test bench for aircraft engine components according to claim 3, characterized in that: The driving assembly further comprises a movable rod (11) welded to the end of the push rod (9); an end of the movable rod (11) away from the push rod (9) is welded to a rotating rod (12); and a supporting plate (13) rotatably connected to the rotating rod (12) is welded inside the operating table (1).

5. The hydraulic seal test bench for aircraft engine components according to claim 1, characterized in that: The auxiliary support assembly comprises two groups of fixing plates (14) welded inside the operating table (1), two groups of clamping plates (15) clamped on the outer ring of the hydraulic cylinder body (2) are arranged between the two groups of fixing plates (14), and a fastening assembly for adjusting the spacing between the two groups of clamping plates (15) is installed between the two groups of fixing plates (14).

6. The hydraulic seal test bench for aircraft engine components according to claim 5, characterized in that: The fastening assembly comprises a fastening screw (16) rotatably connected to the two sets of fixing plates (14); the fastening screw (16) is threadedly connected to the two sets of clamping plates (15); the rotation of the fastening screw (16) can drive the two sets of clamping plates (15) to move relative to or in the opposite direction; round rods (17) located on both sides of the fastening screw (16) are welded between the two sets of fixing plates (14); and the clamping plates (15) are slidably connected to the two sets of round rods (17).

7. The hydraulic seal test bench for aircraft engine components according to claim 6, characterized in that: A connecting plate (18) is welded to one end of the fastening screw rod (16), and a plurality of groups of hand grip rods (19) are welded to the outer ring of the connecting plate (18).

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