CN222960062U - Front artificial leg for light helicopter maintenance platform - Google Patents
Front artificial leg for light helicopter maintenance platform Download PDFInfo
- Publication number
- CN222960062U CN222960062U CN202421839027.5U CN202421839027U CN222960062U CN 222960062 U CN222960062 U CN 222960062U CN 202421839027 U CN202421839027 U CN 202421839027U CN 222960062 U CN222960062 U CN 222960062U
- Authority
- CN
- China
- Prior art keywords
- maintenance platform
- bottom end
- rotating shaft
- support tube
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Prostheses (AREA)
Abstract
本实用新型公开了一种用于轻量化直升机维修平台的前假腿，具体涉及直升机技术领域，包括支筒，所述支筒一侧焊接有轴架，所述轴架内转动安装有轴杆，所述支筒顶端一侧铰接有推拉杆，所述支筒底端安装有转轴，所述转轴底端套接有固定板，所述固定板底端连接有轮架，所述轮架底部安装有滚轮，所述转轴底端贯穿通过固定板和轮架固定连接，所述固定板上对称安装有连接板，所述轴杆一端栓接在维修平台底部。本实用新型具有整体结构简单，整体重量轻，使得飞机在维修过程中的支撑和移动更加轻便，同时，整体连接牢靠，能够多个部件之间进行受力分担，从而提高前假腿能够受力的强度，以此提高使用寿命。
The utility model discloses a front artificial leg for a lightweight helicopter maintenance platform, specifically relating to the technical field of helicopters, comprising a support tube, a shaft frame welded on one side of the support tube, a shaft rod rotatably installed in the shaft frame, a push-pull rod hinged on one side of the top end of the support tube, a rotating shaft installed at the bottom end of the support tube, a fixed plate sleeved at the bottom end of the rotating shaft, a wheel frame connected to the bottom end of the fixed plate, a roller installed at the bottom of the wheel frame, the bottom end of the rotating shaft passes through the fixed plate and is fixedly connected to the wheel frame, a connecting plate is symmetrically installed on the fixed plate, and one end of the shaft rod is bolted to the bottom of the maintenance platform. The utility model has a simple overall structure and light overall weight, making the support and movement of the aircraft during maintenance easier, and at the same time, the overall connection is reliable, and the force can be shared between multiple components, thereby increasing the strength of the front artificial leg to bear the force, thereby increasing the service life.
Description
Technical Field
The utility model relates to the technical field of helicopter maintenance, in particular to a front artificial leg for a lightweight helicopter maintenance platform.
Background
In the assembly or maintenance process of the helicopter, a maintenance platform is often required to prop up the helicopter, so that the comprehensive maintenance on the bottom and the top of the helicopter or the assembly of parts on all parts is facilitated.
The utility model patent of patent publication No. CN212027638U discloses a helicopter engine maintenance work ladder, including removing the support ladder frame and lifting maintenance ladder frame, lifting maintenance ladder frame fixed mounting is on removing the support ladder frame, when moving maintenance work ladder to the side of the helicopter, through rotatory head of screwing, make the threaded rod move down, rubber cushion block and ground contact, increase frictional force, prevent maintenance work ladder slip, be convenient for maintenance personnel maintain, and need not the manual support, it is more convenient, flexible through the flexible end of hydraulic telescoping cylinder, promote or move down maintenance platform, make maintenance platform's height can be adjusted, the maintenance is convenient, through connecting the connecting rod with the movable connecting block through block pin post and block notch block connection, when making maintenance platform lift, the smooth extension and the shrink of movable support frame can be smooth, stability when improving maintenance platform lift.
But this structure is when in actual use, and this maintenance work ladder can conveniently maintain or assemble the higher place of helicopter, and can not support the helicopter to adjust supporting height, so that the helicopter bottom forms the maintenance space, thereby has the space limitation when leading to assembling and maintaining the helicopter bottom, thereby can influence maintenance or packaging efficiency to the helicopter, consequently, proposes a preceding artificial leg for lightweight helicopter maintenance platform now.
Disclosure of utility model
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a front leg prosthesis for a lightweight helicopter maintenance platform, which solves the above-mentioned problems of the prior art.
The technical scheme is that the front artificial leg for the light helicopter maintenance platform comprises a support cylinder, wherein a shaft bracket is welded on one side of the support cylinder, a shaft lever is rotatably arranged in the shaft bracket, a push-pull rod is hinged on one side of the top end of the support cylinder, a rotating shaft is arranged at the bottom end of the support cylinder, a fixing plate is sleeved at the bottom end of the rotating shaft, a wheel frame is connected to the bottom end of the fixing plate, rollers are arranged at the bottom of the wheel frame, the bottom end of the rotating shaft penetrates through the fixing plate and is fixedly connected with the wheel frame, and connecting plates are symmetrically arranged on the fixing plate.
Preferably, one end of the shaft rod is bolted to the bottom of the maintenance platform, and one end of the push-pull rod is connected with a telescopic system of the maintenance platform.
Preferably, connectors are fixedly inserted at two ends of the push-pull rod, and the push-pull rod and the support cylinder are of hollow structures.
Preferably, a convex ring is arranged at the bottom end of the rotating shaft, a groove is formed in the corresponding fixing plate, and the convex ring is in plug-in fit with the groove.
Preferably, slots are symmetrically formed in one end of the fixing plate, connecting plates are fixedly inserted in the slots, and the two connecting plates are used for installing the brake assembly.
Preferably, the top of the wheel frame is welded with a steel plate, a through hole is formed in the middle of the steel plate, and the bottom end of the rotating shaft is connected with the locking nut in an inserting mode through the through hole.
The utility model has the technical effects and advantages that:
1. Compared with the prior art, the support height of the front dummy leg to the maintenance platform can be adjusted through the matching of the shaft rod and the push-pull rod, so that when the height of the maintenance platform can be adjusted to be low, the maintenance platform can be conveniently moved to the bottom of the helicopter, and then when the maintenance platform is supported by the front dummy leg, the helicopter can be lifted along with being lifted, the bottom of the helicopter forms a maintenance space with a certain height, thereby facilitating the maintenance of the bottom of the helicopter or the assembly of parts, improving the maintenance or assembly efficiency of the helicopter, being matched with the supporting movement of the roller, enabling the maintenance platform to move, being capable of adjusting the position of the supported helicopter, being simpler in overall structure, being matched with the support tube and the push-pull rod, being of a hollow structure, and further reducing the overall weight of the front dummy leg, thereby reducing the weight of the whole maintenance platform and being more portable in moving;
2. Through pivot, the fixed plate, the bulge loop, the recess, the setting of wheel carrier and gyro wheel, compared with the prior art, because pivot bottom and wheel carrier fixed connection, thereby make the gyro wheel can follow the maintenance platform and receive the direction that thrust advances and carry out automatic swing and remove, and when receiving the striking in the in-process of removal, can reset after automatic swing, thereby reduce the gyro wheel and receive the size of straight impulsive force, thereby can unload the holistic atress of preceding artificial leg, thereby improve the protection to preceding artificial leg, in order to guarantee can be under high-strength operation steady support, simultaneously, peg graft in the recess through the bulge loop, when making the pivot can normally rotate, can improve the fixity that pivot and fixed plate are connected, simultaneously, can make the transverse pressure that the pivot received pass to the fixed plate, thereby can reduce the transverse pressure intensity that the pivot received, thereby the fixity of being connected between guarantee pivot and the wheel carrier, thereby can improve the biggest atress intensity that the artificial leg can work before can carry out.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic side plan view of the present utility model.
Fig. 3 is a schematic front plan view of the present utility model.
FIG. 4 is a schematic view of the overall section structure of the present utility model.
Fig. 5 is a schematic structural view of a rotating shaft according to the present utility model.
Fig. 6 is a schematic structural view of the fixing plate of the present utility model.
The numerical control device comprises a support cylinder 1, a support cylinder 2, a shaft bracket 3, a shaft lever 4, a push-pull rod 5, a rotating shaft 6, a fixed plate 7, a wheel frame 8, a roller 9, a connecting plate 10, a convex ring 11, a slot 12 and a groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The front artificial leg for the lightweight helicopter maintenance platform shown in the attached drawings 1-6 comprises a support cylinder 1, a shaft bracket 2 is welded on one side of the support cylinder 1, a shaft rod 3 is rotatably installed on one side of the shaft bracket 2, a push-pull rod 4 is hinged on one side of the top end of the support cylinder 1, a rotating shaft 5 is installed at the bottom end of the support cylinder 1, a fixing plate 6 is sleeved at the bottom end of the rotating shaft 5, a wheel frame 7 is connected at the bottom end of the fixing plate 6, a roller 8 is installed at the bottom of the wheel frame 7, the bottom end of the rotating shaft 5 penetrates through the fixing plate 6 and the wheel frame 7 to be fixedly connected, a connecting plate 9 is symmetrically installed on the fixing plate 6, one end of the shaft rod 3 is connected with a telescopic system of the maintenance platform, a slot 11 is symmetrically formed in one end of the fixing plate 6, a connecting plate 9 is fixedly spliced in each slot 11, two connecting plates 9 are used for installing a brake assembly, a steel plate is welded at the top of the wheel frame 7, a through hole is formed in the middle of the steel plate, and the bottom end of the fixing plate is spliced with a locking nut.
In specific implementation, a plurality of front dummy legs are installed at the bottom of a maintenance platform and are fixedly connected with the maintenance platform through shaft rods 3, one end of a push-pull rod 4 is connected with a telescopic system of the maintenance platform, so that the whole front dummy leg is installed at the bottom of the maintenance platform, when the push-pull rod 4 is pushed by the telescopic system, the shaft rods 3 connected with the shaft brackets 2 welded at one side of the support cylinder 1 are used as rotating shafts for rotating the front dummy legs, so that the rollers 8 installed on the bottom wheel brackets 7 approach the bottom of the maintenance platform, namely the maintenance platform descends, and meanwhile, the rollers 8 extend forwards relative to the maintenance platform, so that the maintenance platform with the descending height can move to approach the bottom of the helicopter, and when the push-pull rod 4 is pulled by the telescopic system, the top of the support cylinder 1 swings downwards, so that the rollers 8 at the bottom end prop up the whole maintenance platform, so that the bottom of the helicopter at the top of the maintenance platform is supported, a certain height of the helicopter is formed, and the maintenance space is convenient to overhaul or assemble, so that the maintenance efficiency of the helicopter is improved;
The maintenance platform supported by the front artificial leg enables the maintenance platform to move at the position of the helicopter at the top through the movement of the maintenance platform under the action of the roller 8, so that the maintenance position of the helicopter can be adjusted, when the maintenance platform slides, the roller 8 can automatically swing and move along the advancing direction of the helicopter due to the fixed connection of the bottom end of the rotating shaft 5 and the wheel frame 7, and can automatically swing and reset after being impacted in the moving process, so that the size of the direct impact force of the roller is reduced, the force can be removed from the whole stress of the front artificial leg, the protection of the front artificial leg is improved, and the front artificial leg can be stably supported under high-strength operation.
As shown in figure 4, connectors are fixedly inserted into two ends of the push-pull rod 4, and the push-pull rod 4 and the support cylinder 1 are of hollow structures.
During the implementation, through setting up a section of thick bamboo 1 and push-and-pull rod 4 to hollow structure, can reduce the holistic gravity of preceding artificial leg to can reduce the holistic heavy burden of maintenance platform, thereby make the removal of maintenance platform lighter.
As shown in fig. 5 and 6, a convex ring 10 is disposed at the bottom end of the rotating shaft 5, a groove 12 is formed on the corresponding fixing plate 6, and the convex ring 10 is in plug-in fit with the groove 12.
During the concrete implementation, peg graft in recess 12 through bulge loop 10 for pivot 5 can be normally pivoted in, can improve the fixity that pivot 5 and fixed plate 6 are connected, simultaneously, can make the transverse pressure that pivot 5 received transmit to fixed plate 6 on, thereby can reduce the transverse pressure intensity that pivot 5 received, thereby guarantee the fixity of being connected between pivot 5 and the wheel carrier 7, thereby can improve the biggest atress intensity that preceding false leg can work.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421839027.5U CN222960062U (en) | 2024-08-01 | 2024-08-01 | Front artificial leg for light helicopter maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421839027.5U CN222960062U (en) | 2024-08-01 | 2024-08-01 | Front artificial leg for light helicopter maintenance platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222960062U true CN222960062U (en) | 2025-06-10 |
Family
ID=95912674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421839027.5U Active CN222960062U (en) | 2024-08-01 | 2024-08-01 | Front artificial leg for light helicopter maintenance platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222960062U (en) |
-
2024
- 2024-08-01 CN CN202421839027.5U patent/CN222960062U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110835071B (en) | Automatic retractable aircraft wing bracket device | |
| CN101284628B (en) | Hoisting method for framework of large tonnage pressing machine | |
| CN116395578A (en) | Method and device for erecting a power transmission tower | |
| CN111172895B (en) | Folding beam changing machine | |
| CN213384781U (en) | Auxiliary mounting platform for overhauling and replacing airplane wheel | |
| CN118498365B (en) | Building pile driver | |
| CN119956885A (en) | A combined detachable steel structure frame | |
| CN205437704U (en) | Power round pin dismounting device is exchanged to electric power integral wheel | |
| CN217135333U (en) | Special tool for drawing rotor of generator | |
| CN219341610U (en) | Pipeline lifting device | |
| CN108466522B (en) | A large wheel manual disassembly device | |
| CN118390412A (en) | Auxiliary installation device for girder of bridge girder erection machine and construction method | |
| CN217054286U (en) | Wall-attached device for scaffold | |
| CN209948898U (en) | Rotor brake ring plate assembly and disassembly tools | |
| CN115853313A (en) | Existing building floor dismantling, rebuilding and expanding equipment and rebuilding and expanding method thereof | |
| CN211549614U (en) | Pipe rod conveying device | |
| CN211392616U (en) | Special device for overhauling brake of hydraulic generator | |
| CN120573611B (en) | Top lifting device of tower crane and quick assembly disassembly structure thereof | |
| CN222540366U (en) | A foldable escalator type aircraft hydraulic jack | |
| CN219950424U (en) | Lifting device for maintaining wind power generation tower | |
| CN218082580U (en) | Power transformation maintenance platform with auxiliary supporting structure | |
| CN219409033U (en) | Device for replacing balance Liang Jiaodian bearing of gantry crane | |
| CN220203338U (en) | Construction support of afforestation outer wall | |
| CN224172373U (en) | Auxiliary mounting device for box girder hoisting bolt | |
| CN217126856U (en) | Assembly type arched steel structure assembling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |