CN222716831U - Working ladder for aircraft maintenance - Google Patents
Working ladder for aircraft maintenance Download PDFInfo
- Publication number
- CN222716831U CN222716831U CN202420772075.0U CN202420772075U CN222716831U CN 222716831 U CN222716831 U CN 222716831U CN 202420772075 U CN202420772075 U CN 202420772075U CN 222716831 U CN222716831 U CN 222716831U
- Authority
- CN
- China
- Prior art keywords
- ladder
- frame body
- aircraft
- piston cylinder
- frame
- 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
- Ladders (AREA)
Abstract
The utility model provides a working ladder for aircraft overhaul, and belongs to the technical field of aviation equipment. The elevator comprises an elevator frame body, a main ladder, an elevator frame, a person standing platform and a driving assembly, wherein an abdicating cavity for abdicating aircraft wheels is formed in the lower portion of the elevator frame body, the main ladder is at least arranged on one side wall of the elevator frame body, the elevator frame is located above the elevator frame body, the person standing platform is arranged on the elevator frame, and the driving assembly for driving the elevator frame to ascend and descend relative to the elevator frame body is arranged on the elevator frame body. When the staff removes the ladder frame body to the aircraft below, make the aircraft wheel of aircraft hold after the intracavity of stepping down of ladder frame body below, start first piston cylinder, can drive the crane and rise, improve the place height of staff on the person standing platform, have the effect that makes things convenient for the staff to overhaul the parts of not co-altitude on the aircraft.
Description
Technical Field
The utility model relates to the technical field of aviation equipment, in particular to a working ladder for aircraft overhaul.
Background
With the rapid development of the aviation field in China, the requirements on the structure, the control, the safety and the like of an aircraft maintenance tool (especially an aircraft maintenance working ladder) are higher and higher.
At present, when overhauling parts above an airplane wheel, a door-shaped movable scaffold is generally adopted to stride over the airplane wheel for overhauling. However, the space above the airplane wheels is larger, and the situation that the height of the scaffold is insufficient due to overhigh maintenance points and the maintenance is inconvenient is frequently met.
Disclosure of utility model
In view of the above, the present utility model provides a work ladder for aircraft maintenance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
There is provided a work ladder for aircraft service comprising:
the lower part of the ladder frame body is provided with a yielding cavity for yielding the airplane wheel;
the main ladder is at least arranged on one side wall of the ladder frame body;
The lifting frame is positioned above the ladder frame body and is provided with a standing platform;
The ladder frame body is provided with a driving component for driving the lifting frame to lift relative to the ladder frame body.
Further, the drive assembly includes:
One end of the first connecting frame is hinged with the ladder frame body, the other end of the first connecting frame is rotationally connected with a first roller, and the first roller is horizontally connected to the lifting frame in a sliding manner;
one end of the second connecting frame is hinged with the lifting frame, the other end of the second connecting frame is rotationally connected with a second roller, and the second roller is horizontally and slidingly connected to the ladder frame body;
The middle part of the first connecting frame is hinged with the middle part of the second connecting frame;
The cylinder body of the first piston cylinder is hinged with the ladder frame body, and the piston rod of the first piston cylinder is hinged with any connecting frame.
Further, the protection plate used for protecting the piston cylinder is fixedly arranged on the ladder frame body and is positioned on one side of the piston cylinder, which is close to the abdication cavity.
Further, an extension ladder is fixedly arranged on the lifting frame, the extension ladder and the main ladder are positioned on the same side of the ladder frame body, and the extension ladder and the main ladder are continued when the lifting frame is lifted.
Further, a plurality of movable wheels are fixedly arranged at the bottom of the ladder frame body, the movable wheels are universal wheels, and a supporting component for supporting the ground is arranged on the ladder frame body.
Further, the supporting component comprises a rotating plate, supporting blocks and a second piston cylinder, the rotating plate is rotatably arranged at the bottoms of the two ends of the ladder frame body, the movable wheels are fixedly arranged on the rotating plate, the supporting blocks are fixedly arranged on the rotating plate and located on one side of the movable wheels, the cylinder body of the second piston cylinder is hinged with the ladder frame body, the piston rod is hinged with the rotating plate, and the piston rod of the second piston cylinder stretches out and draws back to enable the supporting blocks and the movable wheels to be alternately supported on the ground.
Further, the guard rail is detachably arranged on the edge of the standing platform of the lifting frame.
The utility model has the beneficial effects that when a worker moves the ladder frame body to the lower part of the airplane, after the airplane wheel of the airplane is accommodated in the abdication cavity below the ladder frame body, the first piston cylinder is started, so that the lifting frame can be driven to lift, the height of the worker on the standing platform is increased, and the worker can conveniently overhaul parts with different heights on the airplane.
Drawings
Fig. 1 is a schematic view of the overall structure of a working ladder according to an embodiment of the present application.
Fig. 2 is a schematic view of the overall structure of the working ladder according to the embodiment of the application.
Fig. 3 is a schematic front view of a working ladder according to an embodiment of the application.
Fig. 4 is a schematic cross-sectional view of a guard rail dismounting structure according to an embodiment of the application.
Wherein, 1, the ladder frame body; 11, a main step, 12, a stepping cavity, 2, a lifting frame, 21, a standing platform, 22, an extension step, 31, a first connecting frame, 32, a second connecting frame, 33, a first piston cylinder, 34, a first roller, 35, a second roller, 4, a protection plate, 5, a moving wheel, 61, a rotating plate, 62, a supporting block, 63, a second piston cylinder, 7, a protective guard, 71, a plug-in part, 72, a connecting sleeve, 73 and a locking bolt.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The embodiment of the application discloses a working ladder for aircraft overhaul, which comprises a ladder frame body 1, a main ladder 11 and a lifting frame 2, wherein the ladder frame body 1 is approximately door-shaped, a yielding cavity 12 for yielding aircraft wheels is used for the lower stroke of the ladder frame body 1, the lifting frame 2 is arranged at the top of the ladder frame body 1, and a horizontal standing platform 21 is arranged on the lifting frame 2. The ladder frame body 1 is provided with a driving component for driving the lifting frame 2 to lift relative to the ladder frame body 1, the main ladder 11 is fixed on one side wall of the ladder frame body 1, and the top end of the main ladder 11 extends to the top of the ladder frame body 1. The staff can climb onto the standing platform 21 of the lifting frame 2 through the main ladder 11.
Referring to fig. 3, in the embodiment of the present application, the driving assembly includes a first connecting frame 31, a second connecting frame 32 and a first piston cylinder 33, the middle parts of the first connecting frame 31 and the second connecting frame 32 are hinged to each other to form an "X" structure, the end parts of the first connecting frame 31 and the second connecting frame 32 on the same side horizontally rotate and are respectively connected with a first roller 34 and a second roller 35, one end of the first connecting frame 31 is hinged to the ladder frame body 1, the first roller 34 on the other end is horizontally slidingly connected in a horizontally opened slideway on the lifting frame 2, one end of the second connecting frame 32 is hinged to the lifting frame 2, and the second roller 35 on the other end is horizontally slidingly connected in a horizontally opened slideway on the ladder frame body 1. The cylinder body of the first piston cylinder 33 is hinged with the ladder frame body 1, the piston rod is hinged with any connecting frame, and one ends of the first connecting frame 31 and the second connecting frame 32 with the first roller 34 and the second roller 35 can be driven to synchronously move in the same direction through the expansion and contraction of the piston rod of the first piston cylinder 33, and in the moving process, the lifting frame 2 is driven to horizontally lift. The height of the lifting frame 2 relative to the ladder frame body 1 is adjusted, so that the height of a worker on the standing platform 21 is adjusted, and the part above the landing wheels of the aircraft on different heights can be overhauled conveniently.
Further, an extension step 22 is fixedly arranged at the edge of one side of the lifting frame 2 close to the main step 11, the extension step 22 and the main step 11 are positioned at the same side of the ladder frame body 1, and the extension step 22 and the main step 11 are continued when the lifting frame 2 ascends. When the lifting frame 2 is lifted, a worker can also advance and retreat the man platform 21 by extending the step 22, thereby improving the working efficiency. The start switch of the first piston cylinder 33 may be provided on the ladder frame body 1, on the lifting frame 2 or as a wired/wireless remote control for the convenience of the staff.
Further, the protection plate 4 is arranged on the ladder frame body 1, and the protection plate 4 is located on one side of the first piston cylinder 33 close to the abdication cavity 12 and is used for preventing the aircraft wheel from touching the first piston cylinder 33 when the ladder frame body 1 is moved to the outside of the aircraft wheel, so that the protection effect is achieved on the first piston cylinder 33.
In the embodiment of the present application, a plurality of moving wheels 5 are fixedly installed at the bottom of the ladder frame body 1 through a bolt connection, a rivet connection or a welding manner, and the moving wheels 5 may be universal wheels. The ladder frame body 1 is provided with a supporting component for supporting the ground, and when the ladder frame body 1 needs to be positioned on the ground and climbing is needed, the ground is supported by the supporting component so as to limit the ladder frame body 1 to move on the ground.
Specifically, the supporting component includes rotor plate 61, supporting shoe 62 and second piston cylinder 63, and rotor plate 61 is all installed in the rotation of the both ends bottom of ladder frame body 1, and removal wheel 5 fixed mounting is on rotor plate 61, and the supporting shoe 62 is fixed to be set up on rotor plate 61 and is located one side of removal wheel 5, and the cylinder body of second piston cylinder 63 articulates with ladder frame body 1, and the piston rod articulates with rotor plate 61, stretches out and draws back with the messenger supporting shoe 62 and removes wheel 5 and support subaerial in turn through the piston rod of second piston cylinder 63. Further, the supporting block 62 and the moving wheel 5 can be arranged to be sequentially far away from the hinge shaft of the rotating plate 61, the movable end of the rotating plate 61 is limited to be overturned upwards in an unlimited manner through the structure of the ladder frame body 1, when the piston rod of the second piston cylinder 63 is retracted, the rotating plate 61 and the ladder frame body 1 are limited to each other, the supporting block 62 is supported on the ground to limit the movement of the ladder frame body 1, when the piston rod of the second piston cylinder 63 extends out, the rotating plate 61 is driven to overturn, the moving wheel 5 is supported on the ground to replace the supporting block 62, the ladder frame body 1 can move on the ground, and when the ladder frame body 1 moves, the ladder frame body 1 is unmanned to be upwards, so that the stress load of the second piston cylinder 63 is reduced.
With reference to fig. 4, further, the edge of the standing platform 21 of the lifting frame 2 is detachably provided with a guard rail 7. The concrete rail guard 7 is formed by combining two parts of sub-rail rod bodies, the opposite ends of the upper parts of the two sub-rail rod bodies can be mutually spliced, a connecting sleeve 72 for installing the rail guard 7 is fixedly welded at the edge of the lifting frame 2, a splicing part 71 matched with the connecting sleeve 72 is arranged at the lower part of the sub-rail rod body, a threaded hole penetrating into the interior is formed in the outer part of the connecting sleeve 72, and after the splicing part 71 of the sub-rail rod body is inserted into the connecting sleeve 72, a locking bolt 73 is connected into the threaded hole in a threaded manner and abutted against the outer wall of the splicing part 71, so that the sub-rail rod body is fixed with the connecting sleeve 72. Further, the limiting groove is formed in the inserting portion 71, when the locking bolt 73 is used for limiting the inserting portion 71, the locking bolt 73 abuts against the inner wall of the limiting groove, so that the protective guard 7 is mounted on the second connecting frame 32 to limit the protective guard 7 to be connected with the sleeve 72 relatively, and mounting stability of the protective guard 7 is improved.
It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A work ladder for aircraft maintenance, comprising:
the lower part of the ladder frame body is provided with a yielding cavity for yielding the airplane wheel;
the main ladder is at least arranged on one side wall of the ladder frame body;
The lifting frame is positioned above the ladder frame body and is provided with a standing platform;
The ladder frame body is provided with a driving assembly for driving the lifting frame to lift relative to the ladder frame body.
2. A working ladder for aircraft service according to claim 1, wherein the drive assembly comprises:
One end of the first connecting frame is hinged with the ladder frame body, the other end of the first connecting frame is rotationally connected with a first roller, and the first roller is horizontally connected to the lifting frame in a sliding manner;
one end of the second connecting frame is hinged with the lifting frame, the other end of the second connecting frame is rotationally connected with a second roller, and the second roller is horizontally and slidingly connected to the ladder frame body;
the middle part of the first connecting frame is hinged with the middle part of the second connecting frame;
The cylinder body of the first piston cylinder is hinged with the ladder frame body, and the piston rod of the first piston cylinder is hinged with any connecting frame.
3. The working ladder for aircraft overhaul according to claim 2, wherein a protection plate for protecting the piston cylinder is fixedly arranged on the ladder frame body, and the protection plate is positioned on one side of the piston cylinder, which is close to the abdication cavity.
4. The working ladder for aircraft overhaul according to claim 1, wherein the lifting frame is fixedly provided with an extension ladder, the extension ladder and the main ladder are positioned on the same side of the ladder frame body, and the lifting frame is lifted to enable the extension ladder to be connected with the main ladder.
5. The working ladder for aircraft overhaul according to claim 4, wherein a plurality of moving wheels are fixedly arranged at the bottom of the ladder frame body, the moving wheels are universal wheels, and a supporting component for supporting the ground is arranged on the ladder frame body.
6. The working ladder for aircraft overhaul according to claim 5, wherein the supporting assembly comprises a rotating plate, supporting blocks and a second piston cylinder, the rotating plate is rotatably installed at the bottoms of two ends of the ladder frame body, the moving wheel is fixedly installed on the rotating plate, the supporting blocks are fixedly arranged on the rotating plate and located on one side of the moving wheel, a cylinder body of the second piston cylinder is hinged with the ladder frame body, a piston rod is hinged with the rotating plate, and the supporting blocks and the moving wheel are alternately supported on the ground through telescopic of the piston rod of the second piston cylinder.
7. A working ladder for aircraft maintenance according to claim 1, wherein the landing platform edge of the crane is detachably provided with a guard rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420772075.0U CN222716831U (en) | 2024-04-15 | 2024-04-15 | Working ladder for aircraft maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420772075.0U CN222716831U (en) | 2024-04-15 | 2024-04-15 | Working ladder for aircraft maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222716831U true CN222716831U (en) | 2025-04-04 |
Family
ID=95161890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420772075.0U Active CN222716831U (en) | 2024-04-15 | 2024-04-15 | Working ladder for aircraft maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222716831U (en) |
-
2024
- 2024-04-15 CN CN202420772075.0U patent/CN222716831U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105667829B (en) | It is a kind of it is same be other aircraft assembling/workover rig depressed place | |
| CN211169760U (en) | Power transformation maintenance operation platform | |
| CN222716831U (en) | Working ladder for aircraft maintenance | |
| CN113175194B (en) | Automatic multisection horizontal lift telescopic operation platform | |
| CN215254391U (en) | Hanging flower basket is used to green building outer wall fitment | |
| CN2791010Y (en) | hydraulic lifting vehicle for assembling large transformer | |
| CN211198533U (en) | Lifting platform for packaging building decoration materials | |
| CN220562949U (en) | Aircraft wing maintenance platform capable of jacking | |
| CN210151570U (en) | An anti-collision maintenance equipment for bridge concrete guardrail | |
| CN219880354U (en) | Lifting table of paint spray booth | |
| CN115262943B (en) | Interlayer adhesion system for adhesion type lifting scaffold and construction method thereof | |
| CN219217483U (en) | Hydraulic elevator for landing gear cabin | |
| CN222686583U (en) | A working ladder for landing gear oiling | |
| CN220926206U (en) | Lifting frame | |
| CN217299752U (en) | Hydraulic climbing device | |
| CN210150674U (en) | Lifting frame for tunnel construction | |
| CN219261679U (en) | Overhead platform for construction of overhead warehouse area | |
| CN220811791U (en) | Lifting device | |
| CN222348634U (en) | High-safety type aerial work platform | |
| CN221682418U (en) | Lifting type construction frame with protective structure | |
| CN221678997U (en) | Quick repair platform for airplane tail wing | |
| CN219384699U (en) | Lifting platform for municipal construction | |
| CN220467505U (en) | Lifting operation platform for maintenance of nuclear turbine | |
| CN216641359U (en) | Multifunctional road and bridge construction ladder | |
| CN219840343U (en) | Concrete placement's operation rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |