System for detecting damping hinge opening and closing torque of aircraft equipment

Abstract

The utility model discloses a system for detecting the opening and closing torque of a damping hinge of aircraft equipment, which comprises a detection fixing bottom plate, a hinge supporting block, two fixing holes formed in the upper side of the top of the hinge supporting block from top to bottom and used for fixing a main blade of the damping hinge; one side of the rotating sleeve is arranged on the periphery of the edge of the first convex blade or the second convex blade of the damping hinge in a sleeving mode, and the other side of the rotating sleeve is used for allowing a torque wrench to stretch in and used for rotating the first convex blade or the second convex blade through the rotating sleeve under the action of the torque wrench so as to detect the opening and closing torque of the damping hinge; according to the utility model, when the hinge torque is detected, only the hinge needs to be fixed on the hinge supporting block, and then the torque of the hinge can be tested and detected by directly rotating the sleeve and the torque wrench, so that the use is very convenient, the requirement on an operation space is low, and the requirement on a fixed workbench is also low; and only the detection fixing bottom plate needs to be fixed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mechanical testing device, especially relate to a system for detecting the damping hinge opening and closing torque of the equipment for aviation machine. BACKGROUND

[0002] The aviation machine will face various complex forces, so the hinge of the equipment for aviation machine needs to have high strength to ensure that it will not be damaged due to stress during flight, thereby ensuring that each part is connected stably and flight safety is ensured. The aircraft may face different environments during flight, such as high humidity, high salt air, etc., which requires the hinge to have high corrosion resistance to prevent corrosion from affecting its performance and service life. Any hinge failure can pose a serious threat to the safety of the aircraft, so the hinge of the equipment for aviation machine needs to have high reliability to stably play the role of connection, support, etc. During flight, especially at high speed or in special flight conditions, the hinge of the equipment for aviation machine needs to be able to withstand high temperature and vibration to ensure flight safety.

[0003] Since the existing test equipment cannot directly and accurately detect the opening and closing torque of the hinge of the equipment for aviation machine, the product performance cannot be verified and recorded, so the detection purpose cannot be achieved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a system for detecting the damping hinge opening and closing torque of the equipment for aviation machine to solve the problem that the existing test equipment cannot directly and accurately detect the opening and closing torque of the hinge of the equipment for aviation machine, so the product performance cannot be verified and recorded.

[0005] The utility model adopts the following technical scheme: a system for detecting the damping hinge opening and closing torque of the equipment for aviation machine, comprising:

[0006] The detection fixed bottom plate is horizontally arranged and fixed at the bottom;

[0007] The hinge support block is vertically arranged and fixedly connected to the upper side of the detection fixed bottom plate, and two fixed holes are formed in the top side from top to bottom, and the two fixed holes are used for fixing the main leaf of the damping hinge;

[0008] The rotating sleeve is sleeved on the edge of the first convex blade or the second convex blade of the damping hinge on one side, and the other side is used for the torque wrench to extend in, so as to rotate the first convex blade or the second convex blade through the rotating sleeve under the action of the torque wrench, and then detect the opening and closing torque of the damping hinge.

[0009] Furthermore, the rotating sleeve is "L" shaped, with its transverse section being columnar. A connecting hole is provided in its inner cavity along the direction of the transverse section, and a receiving hole is provided on the vertical section away from the transverse section along the direction of the vertical section. The connecting hole is for the square protrusion of the torque wrench to extend into, and the receiving hole is for the edge of the first or second convex blade of the damping hinge to extend into, thereby cooperating with each other to drive the first or second convex blade to rotate through the torque wrench.

[0010] Furthermore, the cross-section of the connecting hole is square.

[0011] Furthermore, the damping hinge includes:

[0012] The main panel consists of an integrally connected main panel fixing plate and a mounting cylinder. The main panel fixing plate is used to fix it to the cover.

[0013] The rotating shaft is located inside the mounting cylinder; both ends of the rotating shaft extend out from both ends of the mounting cylinder.

[0014] The first convex blade is interference-fitted with the end of the rotating shaft that extends out of the mounting cylinder;

[0015] The second convex blade is interference-fitted with the other end of the rotating shaft extending from the mounting cylinder. The second convex blade and the first convex blade are close to each other and cooperate with each other, thus corresponding to the main body blade. The ends of the second convex blade and the first convex blade are respectively fixed on the machine body.

[0016] Multiple damping hooks are located inside the mounting cylinder. Each hook has a hook-shaped end and a clamping end at its two ends. The hook-shaped end hooks onto the rotating shaft, and the clamping end is clamped inside the mounting cylinder. Each damping hook is used to rotate the main body plate as the cap rotates after the cap is opened. The hook-shaped end then hooks onto the rotating shaft and holds it tightly, allowing the cap to be suspended at any angle.

[0017] Furthermore, a "V"-shaped groove is provided on the side of the first convex blade near the second convex blade, and a "V"-shaped protrusion is provided on the side of the second convex blade near the first convex blade. The protrusion is used to extend into the groove, so that the second convex blade rotates together when the torque wrench rotates the first convex blade, or the first convex blade rotates together when the torque wrench rotates the second convex blade.

[0018] The beneficial effects of this utility model are:

[0019] This utility model is flexible in operation, versatile, small in size and light in weight, and easy to process;

[0020] When testing the hinge torque, this utility model only requires fixing the hinge to the hinge support block, and then directly testing and detecting the hinge torque by rotating the sleeve and torque wrench. It is very convenient to use, and has low requirements for operating space and fixed worktable. As long as the testing base plate can be fixed, it is sufficient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a use state diagram of the present utility model;

[0022] Figure 2 is a structural schematic diagram of one side of the rotating sleeve of the present utility model;

[0023] Figure 3 is a structural schematic diagram of the other side of the rotating sleeve of the present utility model;

[0024] Figure 4 is an exploded view of the hinge of the present utility model;

[0025] Figure 5 is a structural schematic diagram of the hinge main leaf of the present utility model;

[0026] Figure 6 is a structural schematic diagram of the damping hook of the hinge of the present utility model;

[0027] Figure 7 is a structural schematic diagram of the closed state of the hinge of the present utility model;

[0028] Figure 8 is a structural schematic diagram of the open state of the hinge of the present utility model.

[0029] Among them:

[0030] 10, main leaf; 11, main leaf fixed plate; 12, installation cylinder; 13, first convex blade; 14, second convex blade; 15, damping hook; 16, hook-shaped end; 17, clamping end; 18, clamping pin; 19, first installation hole; 20, second installation hole; 21, first plug cover; 22, second plug cover; 23, rotating shaft;

[0031] 30, detection fixed bottom plate; 31, hinge support block; 32, rotating sleeve; 33, transverse section; 34, vertical section; 35, connecting hole; 36, containing hole; 37, torque wrench. DETAILED DESCRIPTION

[0032] The present utility model will be described in detail below in combination with the drawings and specific embodiments.

[0033] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. The "trend" in the utility model is described according to the trend when the utility model is in the Figure 1 state.

[0034] The utility model discloses a kind of for detecting the damping hinge opening-closing torque of equipment for aviation aircraft, as shown in figure Figure 1 , including: detection fixed base plate 30, hinge support block 31, rotating sleeve 32.

[0035] Detection fixed base plate 30 is horizontally arranged, and its bottom is fixed;Hinge support block 31 is vertically arranged, the bottom of hinge support block 31 is fixedly connected with the upper side of detection fixed base plate 30, two fixed holes are opened on the top side of hinge support block 31 from top to bottom, and the two fixed holes are used to fix the main page piece of damping hinge.

[0036] One side of rotating sleeve 32 is sleeved on the edge periphery of first convex blade 13 or second convex blade 14 of damping hinge, the other side of rotating sleeve 32 is used for torque wrench 37 to extend into, rotating sleeve 32 is used to rotate first convex blade 13 or second convex blade 14 by rotating sleeve 32 under the action of torque wrench 37, and then the opening-closing torque of damping hinge is detected.

[0037] As shown in figure Figure 2 And Figure 3 Rotating sleeve 32 is "L" shape, the horizontal section 33 of rotating sleeve 32 is columnar, the connecting hole 35 is opened in the inner cavity of rotating sleeve 32 along the trend of horizontal section 33, the receiving hole 36 is opened on the vertical section 34 of rotating sleeve 32, away from the side of horizontal section 33 along the trend of vertical section 34, the square protrusion of connecting hole 35 is used for torque wrench 37 to extend into, the edge of first convex blade 13 or second convex blade 14 of damping hinge is used for receiving hole 36 to extend into, and then first convex blade 13 or second convex blade 14 is rotated by torque wrench 37 by mutual cooperation. The section of connecting hole 35 is square, which is convenient for applying rotating force.

[0038] As shown in Figure 4 , the damping hinge comprises a main flap 10, a rotating shaft 23, a first convex blade 13, a second convex blade 14, and a plurality of damping hooks 15.

[0039] As shown in Figure 5 , the main flap 10 is composed of a main flap fixing plate 11 and a mounting cylinder 12 which are integrally connected, the main flap fixing plate 11 is used for fixing on the lid; the rotating shaft 23 is located in the inner cavity of the mounting cylinder 12; the two ends of the rotating shaft 23 respectively extend out of the two ends of the mounting cylinder 12; the first convex blade 13 is in interference fit with the end of the rotating shaft 23 extending out of the mounting cylinder 12; the second convex blade 14 is in interference fit with the other end of the rotating shaft 23 extending out of the mounting cylinder 12, the second convex blade 14 and the first convex blade 13 are close to each other and cooperate with each other to correspond to the main flap 10, and the ends of the second convex blade 14 and the first convex blade 13 are respectively fixed on the machine body.

[0040] As shown in Figures 6-8 , the plurality of damping hooks 15 are located in the inner cavity of the mounting cylinder 12, the two ends of the damping hook 15 are respectively a hook-shaped end 16 and a clamping end 17, the hook-shaped end 16 is hooked on the rotating shaft 23, and the clamping end 17 is clamped in the mounting cylinder 12, each damping hook 15 is used for rotating when the main flap 10 rotates with the lid after the lid is opened, and then the hook-shaped end 16 hooks the rotating shaft 23 and tightly holds the rotating shaft 23, so that the lid can hover at any angle.

[0041] The side of the first convex blade 13 close to the second convex blade 14 is provided with a "v" shaped groove, and the side of the second convex blade 14 close to the first convex blade 13 is a "v" shaped protrusion, the protrusion is used for extending into the groove, so that the second convex blade 14 rotates together when the torque wrench 37 rotates the first convex blade 13, or the first convex blade 13 rotates together when the torque wrench 37 rotates the second convex blade 14.

[0042] The inner cavity of the mounting cylinder 12 is divided into a columnar first mounting hole 19 and a strip-shaped second mounting hole 20, the first mounting hole 19 and the second mounting hole 20 are in communication with each other, the first mounting hole 19 is used for accommodating the rotating shaft 23 and the hook-shaped end 16 of each damping hook 15, the second mounting hole 20 is used for accommodating the clamping pin 18 and the clamping end 17 of each damping hook 15, the hook-shaped end 16 of each damping hook 15 is hooked on the rotating shaft 23, and the middle part thereof is located at the communication position of the first mounting hole 19 and the second mounting hole 20, and then the clamping end 17 is clamped by the clamping pin 18 in the second mounting hole 20. The clamping pin 18 is a hollow "C" shaped structure, so that it can press each damping hook 15 by slight deformation.

[0043] The second convex blade 14 and the first convex blade 13 are both sickle-shaped structures, and the two sections are respectively sickle sections and handle sections, the sickle sections are fixedly connected with the machine body, and the handle sections are in interference fit with the two ends of the rotating shaft 23.

[0044] The hinge further comprises a first plug cover 21 and a second plug cover 22, both of which are provided with mounting holes, and one half of the mounting holes of the first plug cover 21 and the second plug cover 22 are respectively in interference fit with the handle sections of the first and second convex blade 13 and 14, and the other half of the mounting holes of the first plug cover 21 and the second plug cover 22 are respectively in interference fit with the two ends of the rotating shaft 23.

[0045] The first plug cover 21 and the second plug cover 22 are outwardly protruded to form convex sections at positions corresponding to the clamping pins 18, and the convex sections of the first plug cover 21 and the second plug cover 22 are respectively used for the two ends of the clamping pins 18 to abut thereon, so as to limit the clamping pins 18.

[0046] The damping hinge in the utility model is installed at the switching place of the small type cover of the machine body and the bottom plate of the machine body, and is used to realize the free rotation of the cover around the bottom plate of the machine body, has torque characteristics, and can realize the positioning control function.

[0047] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A system for detecting the opening and closing torque of a damping hinge in aircraft equipment, characterized in that, include: The test base plate (30) is set horizontally and its bottom is fixed. The hinge support block (31) is set vertically, and its bottom is fixedly connected to the upper side of the detection fixing base plate (30). Two fixing holes are opened on its top upper side from top to bottom. Both fixing holes are used to fix the main body piece of the damping hinge. The rotating sleeve (32) is fitted on one side around the edge of the first convex blade (13) or the second convex blade (14) of the damping hinge, and the other side is used for the torque wrench (37) to extend into. Under the action of the torque wrench (37), the first convex blade (13) or the second convex blade (14) is rotated by the rotating sleeve (32), thereby detecting the opening and closing torque of the damping hinge.

2. The system for detecting the opening and closing torque of a damping hinge in aircraft equipment according to claim 1, characterized in that, The rotating sleeve (32) is "L" shaped, and its horizontal section (33) is columnar. A connecting hole (35) is provided in its inner cavity along the direction of the horizontal section (33). A receiving hole (36) is provided on the vertical section (34) away from the horizontal section (33) along the direction of the vertical section (34). The connecting hole (35) is used for the square protrusion of the torque wrench (37) to extend into. The receiving hole (36) is used for the edge of the first convex blade (13) or the second convex blade (14) of the damping hinge to extend into. They cooperate with each other to drive the first convex blade (13) or the second convex blade (14) to rotate through the torque wrench (37).

3. A system for detecting the opening and closing torque of a damping hinge in aircraft equipment according to claim 2, characterized in that, The cross-section of the connecting hole (35) is square.

4. The system for detecting the opening and closing torque of a damping hinge in aircraft equipment according to claim 1, characterized in that, The damping hinge includes: The main panel (10) is composed of an integrally connected main panel fixing plate (11) and mounting cylinder (12), wherein the main panel fixing plate (11) is used to fix it on the cover; A rotating shaft (23) is located inside the mounting cylinder (12); both ends of the rotating shaft (23) extend out from both ends of the mounting cylinder (12); The first convex blade (13) is interference-fitted with one end of the rotating shaft (23) that extends out of the mounting cylinder (12); The second convex blade (14) is interference-fitted with the other end of the rotating shaft (23) extending out of the mounting cylinder (12). The second convex blade (14) and the first convex blade (13) are close to each other and cooperate with each other, thus corresponding to the main body plate (10). The ends of the second convex blade (14) and the first convex blade (13) are respectively fixed on the machine body. Multiple damping hooks (15) are located in the inner cavity of the mounting cylinder (12), with hook-shaped ends (16) and clamping ends (17) at their two ends. The hook-shaped ends (16) are hooked on the rotating shaft (23), and the clamping ends (17) are clamped in the mounting cylinder (12). Each damping hook (15) is used to rotate the main body piece (10) as the cap rotates after the cap is opened, thereby hooking the rotating shaft (23) through the hook-shaped ends (16) and holding it tightly with the rotating shaft (23), so that the cap can be suspended at any angle.

5. A system for detecting the opening and closing torque of a damping hinge in aircraft equipment according to claim 4, characterized in that, The first convex blade (13) has a "V" shaped groove on the side near the second convex blade (14), and the second convex blade (14) has a "V" shaped protrusion on the side near the first convex blade (13). The protrusion is used to extend into the groove, so that when the torque wrench (37) rotates the first convex blade (13), the second convex blade (14) rotates together, or when the torque wrench (37) rotates the second convex blade (14), the first convex blade (13) rotates together.

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