Movable Bell helicopter propeller hub frame

Abstract

The utility model provides a movable Bell helicopter propeller hub frame. The movable Bell helicopter propeller hub frame comprises a placing table; the four supporting pieces are arranged around the bottom of the containing table, a bottom platform is fixedly installed at the bottoms of the supporting pieces, and a setting groove is formed in the middle of the top of the containing table. According to the movable Bell helicopter propeller hub frame, the four containing plates are installed at the top of the containing table, the Bell helicopter propeller hub is placed through the containing grooves, the propeller hub can be fixed and does not slide, the safety of the propeller hub is guaranteed, oil drops dripping from the propeller hub can be received through the grooves and the oil receiving disc, pollution is avoided, and the service life of the propeller hub is prolonged. The propeller hub frame main body is formed by processing aluminum alloy sections, so that the propeller hub frame has the characteristics of light weight, high rigidity and good stability; universal wheels and directional wheels are arranged at the bottom of the propeller hub frame, so that free movement in a plane can be realized; a fixed supporting device is arranged at the bottom of the propeller hub frame, the propeller hub frame can be fixed to the ground and does not slide at will, and the functionality of the propeller hub frame is improved.

Description

Technical Field

[0001] This utility model relates to the field of helicopter maintenance, and in particular to a mobile Bell helicopter rotor hub frame. Background Technology

[0002] Bell Helicopters is a product of Bell Helicopter Textron, founded in 1935. It is one of the world's three largest helicopter manufacturers and the first company in the world to obtain a commercial helicopter production license. Its products are widely used in air transport, medical evacuation, and search and rescue, and it holds an important position in both civilian and military fields.

[0003] Bell helicopter rotor hubs need to be placed on a workbench for maintenance. The existing maintenance technology is to move the rotor hub to a rotor hub rack for storage and maintenance. However, when the rotor hub is placed on the rotor hub rack for maintenance, oil droplets from the rotor hub surface leak onto the rack surface, causing pollution that is not easy to recover.

[0004] Therefore, it is necessary to provide a mobile Bell helicopter rotor hub to solve the above-mentioned technical problems. Utility Model Content

[0005] This utility model provides a mobile Bell helicopter rotor hub rack, which solves the problem that existing maintenance technology involves transporting the rotor hub to a rotor hub rack for storage and maintenance. However, when the rotor hub is placed on the rotor hub rack for maintenance, oil droplets leak from the surface of the rotor hub onto the rack surface, causing pollution and making it difficult to recycle.

[0006] To solve the above-mentioned technical problems, this utility model provides a mobile Bell helicopter rotor hub frame, comprising: a placement platform;

[0007] The support components are arranged in four places around the bottom of the platform. A bottom platform is fixedly installed on the bottom of each support component. A placement groove is opened in the middle of the top of the platform. Placement plates are fixedly installed around the top of the platform. Placement grooves are opened in the middle of the top of each placement plate.

[0008] Inclined support rods, two of which are fixedly installed on both sides of the top of the bottom platform;

[0009] An opening is provided, the opening being located in the middle of the top of the bottom platform, and an oil receiving tray is provided inside the opening;

[0010] The four support devices are respectively fixedly installed around the bottom platform. Each support device includes a fixed plate, a threaded rod, a connecting plate, a rotating column, and a support block.

[0011] Preferably, omnidirectional wheels are provided on both sides of the bottom of the bottom platform, and directional wheels are provided on the other two sides of the bottom of the bottom platform.

[0012] Preferably, the fixing plate is fixedly installed on one side of the bottom platform surface, the threaded rod is threadedly engaged in the middle of the fixing plate, the connecting plate is fixedly installed on the top of the threaded rod, the rotating column is fixedly installed on one side of the top of the connecting plate, and the support block is fixedly installed on the bottom of the threaded rod.

[0013] Preferably, the four placement plates are fixedly installed at equal intervals around the top of the placement platform.

[0014] Preferably, the two inclined support rods are fixedly installed on one side of the top of the bottom platform, the two inclined support rods are in a triangular support, the top ends of the two inclined support rods are fixedly connected to the top of the placement platform, and two inclined support rods are provided on both sides of the top of the placement platform.

[0015] Preferably, connecting blocks are fixedly installed around the top of the oil receiving pan, and a mounting plate is fixedly connected to the top of the connecting blocks, with bolts provided on the surface of the mounting plate.

[0016] Preferably, threaded holes are provided on both sides of the top of the bottom platform.

[0017] Compared with related technologies, the mobile Bell helicopter rotor hub provided by this utility model has the following beneficial effects:

[0018] This utility model provides a mobile Bell helicopter rotor hub frame. By installing four placement plates on the top of the placement platform and placing the Bell helicopter rotor hub in the placement slot, the rotor hub can be fixed and prevented from sliding, ensuring the safety of the rotor hub. The groove and oil receiving tray can catch the oil droplets dripping from the rotor hub to prevent pollution and recycle and collect the oil droplets. The main body of the rotor hub frame is made of aluminum alloy profile, which is lightweight, rigid, and stable. The bottom of the rotor hub frame is equipped with universal wheels and directional wheels, which can realize free movement in the plane. The bottom of the rotor hub frame is equipped with a fixed support device, which can fix the rotor hub frame to the ground and prevent it from sliding at will, improving the functionality of the rotor hub frame. Attached Figure Description

[0019] Figure 1 A schematic diagram of the structure of a first embodiment of a mobile Bell helicopter rotor hub provided by this utility model;

[0020] Figure 2 for Figure 1 The diagram shows a bottom view of the platform.

[0021] Figure 3 for Figure 2 The enlarged schematic diagram at point A is shown below;

[0022] Figure 4 A schematic diagram of the structure of a second embodiment of a mobile Bell helicopter rotor hub provided by this utility model;

[0023] Figure 5 for Figure 4 The diagram shows the bottom platform structure.

[0024] The following are the labels in the diagram: 1. Placement platform, 2. Support component, 3. Bottom platform, 4. Groove, 5. Oil tray, 6. Placement plate, 7. Placement groove, 8. Setting groove, 9. Support device, 91. Fixing plate, 92. Threaded rod, 93. Connecting plate, 94. Rotating column, 95. Support block, 10. Inclined support rod, 11. Caster wheel, 12. Directional wheel, 13. Connecting block, 14. Mounting plate, 15. Bolt, 16. Threaded hole. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0026] First Embodiment

[0027] Please refer to the following: Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of a mobile Bell helicopter rotor hub provided by this utility model; Figure 2 for Figure 1 The diagram shows a bottom view of the platform. Figure 3 for Figure 2 An enlarged schematic diagram of point A is shown. A mobile Bell helicopter rotor hub frame includes: a placement platform 1;

[0028] Support member 2, four support members 2 are respectively placed around the bottom of the platform 1. A bottom platform 3 is fixedly installed on the bottom of the support member 2. A setting groove 8 is opened in the middle of the top of the platform 1. A placement plate 6 is fixedly installed around the top of the platform 1. A placement groove 7 is opened in the middle of the top of the placement plate 6.

[0029] Inclined support rods 10, two of the inclined support rods 10 are respectively fixedly installed on both sides of the top of the bottom platform 3;

[0030] A groove 4 is formed in the middle of the top of the bottom platform 3, and an oil receiving tray 5 is provided inside the groove 4;

[0031] Support devices 9, four of which are fixedly installed around the bottom platform 3 respectively, each of which includes a fixing plate 91, a threaded rod 92, a connecting plate 93, a rotating column 94, and a support block 95.

[0032] The bottom platform 3 is provided with casters 11 on both sides of the bottom, and directional wheels 12 on the other two sides of the bottom.

[0033] The fixing plate 91 is fixedly installed on one side of the surface of the bottom platform 3, the threaded rod 92 is threadedly engaged in the middle of the fixing plate 91, the connecting plate 93 is fixedly installed on the top of the threaded rod 92, the rotating column 94 is fixedly installed on one side of the top of the connecting plate 93, and the support block 95 is fixedly installed on the bottom of the threaded rod 92.

[0034] The four placement plates 6 are fixedly installed at equal intervals around the top of the placement platform 1.

[0035] Two inclined support rods 10 are fixedly installed on one side of the top of the bottom platform 3. The two inclined support rods 10 form a triangular support. The top ends of the two inclined support rods 10 are fixedly connected to the top of the placement platform 1. Two inclined support rods 10 are provided on both sides of the top of the placement platform 1.

[0036] The surface of the placement slot 7 is covered with 50D surface-adhesive sponge to prevent damage to the propeller hub, ensuring that the propeller hub is not damaged when it moves with the propeller hub frame.

[0037] The bottom uses 2 omnidirectional wheels 11 and 2 directional wheels 12 to achieve transportation (it can be braked to stop placement).

[0038] Inclined support rods 10 are installed on the front and rear sides of the top of the bottom platform 3. The two inclined support rods 10, together with the placement platform 1 and the bottom platform 3, form a triangular support to increase stability.

[0039] The sharp corners of the rotor hub frame must be chamfered and wrapped with foam to prevent injuries to personnel, rotor blades, and rotor hub from impacts. The working principle of the mobile Bell helicopter rotor hub frame provided by this utility model is as follows:

[0040] During operation, four placement plates 6 are first installed on the surface of the placement platform 1. Placement slots 7 are opened on the surface of the placement plates 6. When performing helicopter maintenance work, the disassembled rotor hub can be placed on the placement slots 7, which can fix the rotor hub in place and prevent it from sliding, thus ensuring the safety of the rotor hub.

[0041] During maintenance, the oil tray 5 can catch oil droplets dripping from the propeller hub, preventing contamination.

[0042] The main body of the propeller hub frame is a cubic frame structure. To ensure the rigidity of the top plane, inclined support rods 10 are used to support the placement platform 1 and the bottom platform 3.

[0043] Users can move the hub frame by pushing it at will using the casters 11, and can stop it by braking the directional wheels 12.

[0044] By holding the rotating column 94, the connecting plate 93 and the threaded rod 92 are rotated. The threaded rod 92 rotates and engages the threaded fixing plate 91, pushing the support block 95 to move downward or upward. The support block 95 moves downward to support the ground, so that the universal wheel 11 of the propeller hub frame is suspended in the air, maintaining the stability of the propeller hub frame.

[0045] Compared with related technologies, the mobile Bell helicopter rotor hub provided by this utility model has the following beneficial effects:

[0046] This utility model provides a mobile Bell helicopter rotor hub frame. By installing four placement plates 6 on the top of the placement platform 1 and placing the Bell helicopter rotor hub through the placement groove 7, the rotor hub can be fixed and prevented from sliding, ensuring the safety of the rotor hub. The groove 8 and oil receiving tray 5 can catch the oil droplets dripping from the rotor hub to prevent pollution and recycle and collect the oil droplets. The main body of the rotor hub frame is made of aluminum alloy profile, which has the characteristics of light weight, high rigidity and good stability. The bottom of the rotor hub frame is equipped with universal wheels 11 and directional wheels 12, which can realize free movement in the plane. The bottom of the rotor hub frame is equipped with a fixed support device 9, which can fix the rotor hub frame to the ground and prevent it from sliding at will, improving the functionality of the rotor hub frame.

[0047] Second Embodiment

[0048] Please refer to the following: Figure 4 and Figure 5 Based on the mobile Bell helicopter rotor hub provided in the first embodiment of this application, the second embodiment of this application proposes another mobile Bell helicopter rotor hub. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0049] Specifically, the second embodiment of this application provides a mobile Bell helicopter rotor hub frame that is different in that, in a mobile Bell helicopter rotor hub frame, connecting blocks 13 are fixedly installed around the top of the oil receiving pan 5, and a mounting plate 14 is fixedly connected to the top of the connecting blocks 13, and bolts 15 are provided on the surface of the mounting plate 14.

[0050] Threaded holes 16 are provided on both sides of the top of the bottom platform 3.

[0051] Two threaded holes 16 are respectively opened on the left and right sides of the front and rear sides of the top of the bottom platform 3.

[0052] The working principle of the mobile Bell helicopter rotor hub provided by this utility model is as follows:

[0053] During operation, the oil receiving tray 1 is first placed inside the slot 4, the mounting plate 14 is placed on top of the bottom platform 3, and the oil receiving tray 1 is installed inside the slot 4 by bolts 15 passing through the mounting plate 14 and engaging with the threaded hole 16.

[0054] Compared with related technologies, the mobile Bell helicopter rotor hub provided by this utility model has the following beneficial effects:

[0055] This utility model provides a mobile Bell helicopter rotor hub frame, which is placed on the surface of the bottom platform 3 by mounting plate 14, so that the oil tray 5 is stored inside the slot 4. The user can use bolts 15 to pass through the mounting plate 14 and engage with the threaded hole 16 inside, so that the operator can easily disassemble and install the oil tray 5, which is convenient for the replacement and installation of the oil tray 5, and improves the practicality and flexibility of the device.

[0056] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A mobile Bell helicopter mast mount, characterized by, Include: Put the table; Support, four said support respectively around the bottom of the table, the bottom of the support is fixedly installed with bottom platform, the top of the table is provided with a setting slot in the middle, the top of the table is fixedly installed with a placing plate around, the top of the placing plate is provided with a placing slot in the middle; Inclined support rod, two said inclined support rod is respectively fixedly installed on both sides of the top of the bottom platform; Open slot, the open slot is provided in the middle of the top of the bottom platform, the inside of the open slot is provided with an oil pan; Support device, four said support device is respectively fixedly installed around the bottom platform, the support device includes a fixed plate, a threaded rod, a connecting plate, a rotating column and a support block.

2. A mobile Bell helicopter mast mount according to claim 1, characterized in that The bottom of the bottom platform is provided with universal wheels on both sides, and the other two sides of the bottom of the bottom platform are provided with directional wheels.

3. A mobile Bell helicopter mast mount according to claim 1, wherein, The fixed plate is fixedly installed on one side of the surface of the bottom platform, the threaded rod is threadedly engaged in the middle of the fixed plate, the connecting plate is fixedly installed on the top end of the threaded rod, the rotating column is fixedly installed on one side of the top of the connecting plate, and the support block is fixedly installed on the bottom end of the threaded rod.

4. A mobile Bell helicopter mast mount according to claim 1, wherein, Four said placing plate equidistantly fixedly installed around the top of the table.

5. A mobile Bell helicopter mast mount according to claim 1, wherein, Two said inclined support rod is respectively fixedly installed on one side of the top of the bottom platform, two said inclined support rod is triangular support, two said inclined support rod is fixedly connected to the top of the table, the top of the table is provided with two said inclined support rod on both sides.

6. A mobile Bell helicopter mast mount according to claim 1, wherein, The top of the oil pan is fixedly installed with a connecting block around, the top of the connecting block is fixedly connected with an installation plate, and the surface of the installation plate is provided with a bolt.

7. A mobile Bell helicopter mast hub rack as in claim 1 wherein, The other two sides of the top of the bottom platform are provided with threaded holes.

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