CN220640220U - Lifting guardrail structure of airplane APU working ladder - Google Patents
Lifting guardrail structure of airplane APU working ladder Download PDFInfo
- Publication number
- CN220640220U CN220640220U CN202322389082.0U CN202322389082U CN220640220U CN 220640220 U CN220640220 U CN 220640220U CN 202322389082 U CN202322389082 U CN 202322389082U CN 220640220 U CN220640220 U CN 220640220U
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- ladder
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- threaded
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- 230000004888 barrier function Effects 0.000 claims 4
- 230000003028 elevating effect Effects 0.000 abstract description 10
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model provides an elevating guardrail structure of an airplane APU working ladder, which comprises a working ladder, a base, a supporting frame and a ladder frame, wherein the base is arranged at the bottom of the working ladder, the ladder frame is connected to one side of the working ladder, the supporting frame is connected to the surface of the base, the top surface of the base is provided with an elevating structure, and the elevating structure comprises a sliding frame, holes, a threaded rod, an electric hydraulic rod, a sliding groove, threaded holes and bolts; according to the utility model, when operations with different heights are required, the threaded rod is firstly pulled out from the interiors of the holes and the threaded holes, and the switch of the electric hydraulic rod is pressed, so that the working ladder is adjusted to the required height, and then the ladder frame is fixed through the threaded rod, so that the problem of high cost caused by purchasing a plurality of working ladders because operations with different heights are required is avoided.
Description
Technical Field
The utility model belongs to the technical field of working ladders, and particularly relates to an elevating guardrail structure of an airplane APU working ladder.
Background
The working ladder is also called a platform ladder, and the ascending ladder is an indispensable device for various maintenance and installation. When the working ladder is used, the working ladder is required to be moved to the corresponding position, and a worker climbs the working ladder to perform corresponding work, but when the working ladder is used, the working ladder with the corresponding height is required to be replaced and then maintained sometimes because of different working heights, so that the problem of high cost caused by purchasing a plurality of working ladders is solved; when the working ladder needs to be moved, a plurality of operators need to move at the same time, so that the working ladder is not easy to move.
In summary, the present utility model provides an elevating guardrail structure for an APU ladder of an aircraft to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an elevating guardrail structure of an airplane APU working ladder, which aims to solve the problems that a plurality of working ladders are high in cost and are not easy to move when being purchased in use in the prior art.
The utility model provides an aircraft APU working ladder over-and-under type guardrail structure, includes working ladder, base, support frame and ladder frame, and the bottom of working ladder is provided with the base, and the ladder frame is connected in one side of working ladder, and the support frame is connected on the surface of base, and the top surface of base is provided with elevation structure, and elevation structure includes carriage, hole, threaded rod, electronic hydraulic stem, spout, screw hole and bolt.
Preferably, the top surface of support frame is connected with electronic hydraulic stem, and the bottom at the working ladder is connected at the top of electronic hydraulic stem, and the spout has been seted up to the inside of ladder frame, and the inner wall of spout is connected with the carriage, and the screw hole has been seted up to the inside of carriage, and the inside at the spout is seted up in the hole, and the threaded rod is pegged graft in the inside of hole and screw hole, bolted connection is in the one end of threaded rod.
Preferably, the electric hydraulic rod is connected with four groups at the bottom of the working ladder, and the threaded rod penetrates through the hole and the threaded hole to form threaded connection with the bolt.
Preferably, the ladder frame is in sliding connection with the sliding frame through the sliding groove, a plurality of holes and threaded holes are respectively formed in the ladder frame and the sliding frame, and the sizes and positions of the holes are matched with those of the threaded holes.
Preferably, one side of the working ladder is connected with a rotating shaft, one end of the rotating shaft is connected with a ladder frame, one side of the ladder frame is connected with a shackle, one side of the supporting frame is connected with a bearing, the surface of the bearing is connected with a hook, the bottom of the base is provided with wheels, and the shackle, the rotating shaft, the hook and the wheels form a convenient moving mechanism.
Preferably, the size and position of the shackle are matched with those of the hook, and four groups of wheels are arranged at the bottom of the base.
Preferably, one side of the working ladder is rotatably connected with the ladder frame through a rotating shaft.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, when operations with different heights are required, the threaded rod is firstly pulled out from the interiors of the holes and the threaded holes, and the switch of the electric hydraulic rod is pressed, so that the working ladder is adjusted to the required height, and then the ladder frame is fixed through the threaded rod, so that the problem of high cost caused by purchasing a plurality of working ladders because operations with different heights are required is avoided.
2. According to the utility model, when the working ladder is required to be moved, the ladder frame is rotated to the bottom of the working ladder through the rotating shaft, the hooks are inserted into the shackles to be fixed, and then the working ladder is moved through the wheels at the bottom, so that the problem that the working ladder is not easy to move is avoided.
Drawings
FIG. 1 is a schematic side view of one embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional front view of an embodiment of the present utility model;
FIG. 3 is an enlarged schematic view of the A structure of one embodiment of the present utility model;
fig. 4 is a schematic partial top cross-sectional view of one embodiment of the present utility model.
In the figure: 1. a working ladder; 2. a base; 3. a support frame; 4. a ladder frame; 5. a carriage; 6. a hole; 7. a threaded rod; 8. a shackle; 9. a threaded hole; 10. a bolt; 11. a rotating shaft; 12. a bearing; 13. a hook; 14. a wheel; 15. a chute; 16. an electric hydraulic rod.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the utility model provides an elevating guardrail structure of an airplane APU working ladder, which comprises a working ladder 1, a base 2, a supporting frame 3 and a ladder frame 4, wherein the base 2 is arranged at the bottom of the working ladder 1, the ladder frame 4 is connected to one side of the working ladder 1, the supporting frame 3 is connected to the surface of the base 2, the top surface of the base 2 is provided with an elevating structure, and the elevating structure comprises a sliding frame 5, a hole 6, a threaded rod 7, an electric hydraulic rod 16, a sliding groove 15, a threaded hole 9 and a bolt 10.
Referring to fig. 1 and 4, the top surface of the support frame 3 is connected with an electric hydraulic rod 16, the top of the electric hydraulic rod 16 is connected to the bottom of the working ladder 1, a sliding groove 15 is formed in the ladder frame 4, a sliding frame 5 is connected to the inner wall of the sliding groove 15, a threaded hole 9 is formed in the sliding frame 5, a hole 6 is formed in the sliding groove 15, a threaded rod 7 is inserted into the hole 6 and the threaded hole 9, a bolt 10 is connected to one end of the threaded rod 7, the electric hydraulic rod 16 is connected with four groups at the bottom of the working ladder 1, the four groups of electric hydraulic rods 16 can enable the working ladder 1 to be more stable when the height is adjusted, and the threaded rod 7 penetrates through the hole 6 and the threaded hole 9 to form threaded connection with the bolt 10, so that the fixing operation can be achieved.
Referring to fig. 2 and 4, the ladder frame 4 is slidably connected with the sliding frame 5 through the sliding groove 15, a plurality of holes 6 and threaded holes 9 are respectively formed in the ladder frame 4 and the sliding frame 5, and the size and position of the holes 6 are matched with those of the threaded holes 9, so that after the ladder frame is adjusted to an adaptive position, the holes 6 and the threaded holes 9 can be fixed through the threaded rods 7.
Referring to fig. 1 and 2, one side of the working ladder 1 is connected with a rotating shaft 11, one end of the rotating shaft 11 is connected with a ladder frame 4, one side of the ladder frame 4 is connected with a hook ring 8, one side of the supporting frame 3 is connected with a bearing 12, the surface of the bearing 12 is connected with a hook 13, the bottom of the base 2 is provided with wheels 14, the hook ring 8, the rotating shaft 11, the hook 13 and the wheels 14 form a convenient moving mechanism, the convenient moving mechanism can enable the working ladder 1 to move more conveniently and rapidly, the size and the position of the hook ring 8 are matched with those of the hook 13, the wheels 14 are provided with four groups at the bottom of the base 2, the four groups of wheels 14 can enable the working ladder 1 to be more stable when being moved, one side of the working ladder 1 is in rotary connection with the ladder frame 4 through the rotating shaft 11, when the working ladder needs to move, the working ladder 1 can be rotated to the bottom of the working ladder 1 through the rotating shaft 11 at the top, and then the hook 13 is inserted into the hook ring 8 to play a fixed role, and swing is avoided when the working ladder 1 is moved.
The specific working principle is as follows: as shown in fig. 1-4, when the elevating guardrail structure of the working ladder of the APU of the aircraft is used, firstly, when the operation with different heights is required, the bolt 10 is unscrewed from one end of the threaded rod 7, then the threaded rod 7 is pulled out of the hole 6 and the 9 inside of the threaded hole, then the switch of the electric hydraulic rod 16 is pressed, the electric hydraulic rod 16 can be adjusted up and down to enable the working ladder 1 to be adjusted to the required height, the ladder frame 4 also slides up and down through the sliding groove 15 and the sliding frame 5 when the electric hydraulic rod 16 moves, when the adjustment to the required height is confirmed, the opening of the electric hydraulic rod 16 is stopped, then the threaded rod 7 penetrates through the hole 6 and the threaded rod 7, and the bolt 10 is fixed with one end of the threaded rod 7, so that the height of the working ladder 1 can be adjusted when the operation with different heights is required, and the problem of high cost caused by purchasing a plurality of working ladders 1 due to the operation with different heights is avoided; when the working ladder 1 needs to be moved, the ladder frame 4 is rotated to the bottom of the working ladder through the rotating shaft 11 at the top, the hooks 13 are inserted into the hook rings 8 to be fixed, the working ladder 1 is conveniently moved through the wheels 14 at the bottom of the base 2, the wheels 14 are provided with wheel brakes, the working ladder 1 can be fixed through the wheel brakes after being pushed to the corresponding positions, and thus the problem that the working ladder 1 is not easy to move is avoided, and the lifting guardrail structure of the airplane APU working ladder is characterized.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (7)
1. The utility model provides an aircraft APU working ladder over-and-under type guardrail structure, includes working ladder (1), base (2), support frame (3) and ladder frame (4), its characterized in that: the bottom of working ladder (1) is provided with base (2), ladder frame (4) are connected in one side of working ladder (1), support frame (3) are connected on the surface of base (2), the top surface of base (2) is provided with elevation structure, elevation structure includes carriage (5), hole (6), threaded rod (7), electronic hydraulic stem (16), spout (15), screw hole (9) and bolt (10).
2. An aircraft APU ladder lift barrier structure as in claim 1 wherein: the top surface of support frame (3) is connected with electronic hydraulic stem (16), the bottom at work ladder (1) is connected at the top of electronic hydraulic stem (16), spout (15) have been seted up to the inside of ladder frame (4), the inner wall connection of spout (15) has carriage (5), screw hole (9) have been seted up to the inside of carriage (5), the inside at spout (15) is seted up in hole (6), threaded rod (7) peg graft in hole (6) with the inside of screw hole (9), one end at threaded rod (7) is connected to bolt (10).
3. An aircraft APU ladder lift barrier structure as in claim 2 wherein: the bottom of the electric hydraulic rod (16) is connected with four groups of working ladders (1), and the threaded rod (7) penetrates through the hole (6) and is in threaded connection with the bolt (10) after passing through the threaded hole (9).
4. An aircraft APU ladder lift barrier structure as in claim 2 wherein: the ladder frame (4) is in sliding connection with the sliding frame (5) through the sliding groove (15), a plurality of holes (6) and threaded holes (9) are respectively formed in the ladder frame (4) and the sliding frame (5), and the sizes and positions of the holes (6) are matched with those of the threaded holes (9).
5. An aircraft APU ladder lift barrier structure as in claim 1 wherein: one side of working ladder (1) is connected with pivot (11), the one end of pivot (11) is connected with ladder frame (4), one side of ladder frame (4) is connected with shackle (8), one side of support frame (3) is connected with bearing (12), the surface connection of bearing (12) has couple (13), the bottom of base (2) is provided with wheel (14), shackle (8), pivot (11), couple (13) and wheel (14) constitute convenient moving mechanism.
6. An aircraft APU ladder lift rail structure as in claim 5, wherein: the size and the position of the hook ring (8) are matched with those of the hook (13), and the wheels (14) are arranged at the bottom of the base (2) in four groups.
7. An aircraft APU ladder lift rail structure as in claim 5, wherein: one side of the working ladder (1) is rotatably connected with the ladder frame (4) through a rotating shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322389082.0U CN220640220U (en) | 2023-09-04 | 2023-09-04 | Lifting guardrail structure of airplane APU working ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322389082.0U CN220640220U (en) | 2023-09-04 | 2023-09-04 | Lifting guardrail structure of airplane APU working ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220640220U true CN220640220U (en) | 2024-03-22 |
Family
ID=90290745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322389082.0U Active CN220640220U (en) | 2023-09-04 | 2023-09-04 | Lifting guardrail structure of airplane APU working ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220640220U (en) |
-
2023
- 2023-09-04 CN CN202322389082.0U patent/CN220640220U/en active Active
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