CN220996681U - Boarding ladder for wharf - Google Patents
Boarding ladder for wharf Download PDFInfo
- Publication number
- CN220996681U CN220996681U CN202323264330.5U CN202323264330U CN220996681U CN 220996681 U CN220996681 U CN 220996681U CN 202323264330 U CN202323264330 U CN 202323264330U CN 220996681 U CN220996681 U CN 220996681U
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- frame
- ladder
- walking
- walking ladder
- boarding
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Ladders (AREA)
Abstract
The utility model relates to the technical field of boarding ladders, and provides a boarding ladder for a wharf, which comprises a fixed frame and a walking ladder frame hinged to the fixed frame through at least one rotating mechanism, wherein a balancing weight is arranged at one side end part of the fixed frame far away from the walking ladder frame, at least one pulley mechanism is arranged on the fixed frame, at least one lifting lug is fixedly arranged on the walking ladder frame, a lifting rope is connected to the lifting lug, the other end of the lifting rope is connected to the pulley mechanism, and the pulley mechanism can wind and unwind the lifting rope to enable the walking ladder frame to rotate. According to the utility model, the rotatable connection of the fixing frame and the walking ladder frame is realized through the rotating mechanism, the lifting rope is wound and unwound through the pulley mechanism, so that the walking ladder frame rotates, the erection and the winding of the walking ladder frame can be efficiently, quickly and conveniently completed, manpower and material resources are saved, the working efficiency is improved, the occupied area is reduced when the walking ladder is not used, and the technical problems of poor stability and inconvenient storage of the existing boarding ladder are solved.
Description
Technical Field
The utility model relates to the technical field of boarding ladders, in particular to a boarding ladder for a wharf.
Background
The boarding ladder is an auxiliary tool for safely and smoothly boarding and disembarking a ship by loading and unloading operators and crews in the dock operation process of modern large dock ships, the existing boarding ladder is usually manually carried on the dock when the boarding ladder is on the shore, the fixing effect is poor, shaking is stronger when personnel pass, the gravity center is unstable, the safety is poor, accidents such as side turning and the like can occur, more manpower is required to be consumed when the boarding ladder is erected and stored, and the boarding ladder is large in occupied area when not used, so that the boarding ladder is inconvenient to store.
Chinese patent application No.: 201720541369.2 discloses an unfolding type folding boarding ladder which comprises three boarding ladder bodies which are transversely arranged, wherein two sides of the boarding ladder body positioned in the middle are respectively hinged with the other two boarding ladder bodies. The boarding ladder main bodies at the two sides can be used as handrails or guardrails of the boarding ladder main bodies at the middle positions, and when the traffic is required to be expanded, the boarding ladder main bodies at the two sides are unfolded, and meanwhile, the guardrails are unfolded, so that the traffic of the folding boarding ladder disclosed by the utility model is conveniently expanded. However, the patent and the ship are not provided with a fixing device, so that personnel can shake more when passing through, and the stability is poor.
Disclosure of utility model
Accordingly, in view of the above problems, the present utility model provides a boarding ladder for wharf. The technical problems that the existing boarding ladder is poor in stability and inconvenient to store are solved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a dock is with boarding ladder, includes the mount, articulates in the walking ladder frame of mount through at least one slewing mechanism, one side tip that keeps away from the walking ladder frame on the mount is equipped with the balancing weight, be equipped with at least one pulley mechanism on the mount, at least one lug has set firmly on the walking ladder frame, be connected with the lifting rope on the lug, the lifting rope other end is connected in pulley mechanism, pulley mechanism can be to the lifting rope rolling and unreel make the walking ladder frame rotate.
Further:
The rotating mechanism comprises two first connecting lug plates arranged on the fixing frame and a second connecting lug plate arranged on the walking ladder frame, and the second connecting lug plates are hinged between the two first connecting lug plates through a hinge piece.
The fixing frame comprises a base and two upright posts vertically arranged on the base, and the balancing weight is fixedly arranged inside the base through spot welding.
And reinforcing ribs are arranged between the base and the upright posts.
The pulley mechanism comprises a U-shaped pulley and a hand winch which are arranged on the fixing frame, one end of the lifting rope bypasses the U-shaped pulley and is connected with the hand winch, and the lifting rope can be lengthened or shortened by rotating the hand winch so as to realize up-and-down rotation of the walking ladder frame.
The hand winch is a two-way self-locking hand winch, and the number of the hand winch is two.
The walking ladder frame comprises a bottom plate and protective rails arranged on two sides of the bottom plate, and grid steel plates are paved on the bottom plate.
The bottom plate is formed by splicing a plurality of channel steels, and the bottom plate comprises a plurality of cuboid frames which are formed by splicing in sequence.
The number of the rotating mechanisms is two.
By adopting the technical scheme, the utility model has the beneficial effects that:
According to the utility model, the rotatable connection of the fixing frame and the walking ladder frame is realized through the rotating mechanism, the lifting rope is wound and unwound through the pulley mechanism, so that the walking ladder frame is rotated, the erection and the winding of the walking ladder frame can be efficiently, quickly and conveniently completed, the re-welding is not needed, the manpower and material resources are saved, the working efficiency is improved, the device is also suitable for wharfs with different heights, the connection between the fixing frame and the walking ladder frame is stable during use, the shaking is small during passing, the device is safe and reliable, and the walking ladder frame can be rotated and folded to the position attached to the fixing frame when not in use, so that the occupied area is reduced; furthermore, the walking ladder frame can be rotated on the fixing frame, so that folding can be realized, the walking ladder frame can also be used for walking, and the walking ladder frame is simple in structure and convenient to operate; furthermore, the balancing weight is firmly welded by spot welding, so that sliding is prevented, the whole balance can be kept, and the force application load of personnel can be effectively reduced; furthermore, the hand winch has a small structure, can hoist larger articles, can realize the retraction of the walking ladder frame by only needing simple manual operation and at least two people, and ensures the safety and the stability by adopting mechanical locking; furthermore, the grid steel plate has the advantages of high strength, corrosion resistance and high bearing capacity, and the surface of the grid steel plate is processed by adopting special pits, so that the anti-skid effect is excellent, and accidents such as personnel slipping and cargo damage are reduced; further, the bottom plate adopts the structure of a plurality of cuboid frames, and the bearing capacity is high, and the structure is firm more, and difficult bending deformation, long service life.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is an enlarged view of a portion of the turning mechanism of FIG. 2;
Fig. 4 is a schematic view of another angle structure of the present utility model.
In the figure: 1. a fixing frame; 2. a rotating mechanism; 3. a walking ladder frame; 4. balancing weight; 11. a base; 12. a column; 13. reinforcing ribs; 31. a bottom plate; 32. a protective rail; 33. grid steel plates; 21. a first connection lug plate; 22. a second connection ear plate; 23. a hinge; 5. a pulley mechanism; 34. lifting lugs; 51. a hanging rope; 52. a U-shaped pulley; 53. and (5) hand-shaking the winch.
Detailed Description
The utility model will now be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 4, the utility model provides a boarding ladder for a wharf, which comprises a fixed frame 1 and a walking ladder frame 3 hinged to the fixed frame 1 through two rotating mechanisms 2, wherein a balancing weight 4 is arranged at one side end part of the fixed frame 1 far away from the walking ladder frame 3, the fixed frame 1 comprises a base 11 and two upright posts 12 vertically arranged on the base 11, the balancing weight 4 is fixedly arranged inside the base 11 through spot welding, and a reinforcing rib 13 is arranged between the base 11 and the upright posts 12. The walking ladder frame 3 comprises a bottom plate 31 and protective rails 32 arranged on two sides of the bottom plate 31, grid steel plates 33 are paved on the bottom plate 31, the bottom plate 31 is formed by splicing a plurality of channel steels, and the bottom plate 31 comprises a plurality of cuboid frames which are formed by splicing in sequence. The rotating mechanism 2 comprises two first connecting lug plates 21 arranged on the fixed frame 1 and a second connecting lug plate 22 arranged on the walking ladder frame 3, and the second connecting lug plate 22 is hinged between the two first connecting lug plates 21 through a hinge piece 23. The walking ladder is characterized in that two pulley mechanisms 5 are arranged on the fixing frame 1, two lifting lugs 34 are fixedly arranged on the walking ladder frame 3, lifting ropes 51 are connected to the lifting lugs 34, the other ends of the lifting ropes 51 are connected to the pulley mechanisms 5, the pulley mechanisms 5 can wind and unwind the lifting ropes 51 to enable the walking ladder frame 3 to rotate, the pulley mechanisms 5 comprise U-shaped pulleys 52 and hand-operated winches 53 which are arranged on the fixing frame 1, one ends of the lifting ropes 51 are connected to the hand-operated winches 53 by bypassing the U-shaped pulleys 52, the lifting ropes 51 can be stretched or shortened by rotating the hand-operated winches 53 to enable the lifting ropes 51 to vertically rotate on the walking ladder frame 3, the hand-operated winches 53 are bidirectional self-locking hand-operated winches 53, and the number of the hand-operated winches 53 is two.
The rotating mechanism 2 can be one, two, three or more, and can also be other existing mechanically controlled rotating devices, and the rotating mechanism is specifically arranged according to the situation.
The balancing weight 4 may also be fixed to the fixing frame 1 by bolts or other manners, and is specifically set according to circumstances.
The reinforcing ribs 13 may not be provided, and may be provided as appropriate.
The bottom plate 31 may be formed of only one rectangular parallelepiped frame, and may be provided as the case may be.
The guard rail 32 may not be provided, and may be provided as appropriate.
The bottom plate 31 may be a metal bottom plate, a rubber bottom plate, a plastic bottom plate or other existing bottom plates, and is specifically set according to circumstances.
The lifting rope 51 may be a wire rope, a chain or other existing lifting ropes, and is specifically set according to circumstances.
The hand winch 53 may be an electric winch or other devices capable of winding the lifting rope, as the case may be.
The hinge 23 may be a bolt and nut, a shaft or other components, as the case may be.
The working mode of the utility model is as follows:
When the walking ladder frame 3 is paved, the hand winch 53 is rotated, the lifting rope 51 is unreeled to enable the walking ladder frame 3 to rotate downwards until the end part of the walking ladder frame 3 abuts against the wharf, and the walking ladder frame 3 is erected; when the walking ladder frame 3 is retracted, the hinge piece 23 is unscrewed, the hand winch 53 is rotated, the lifting rope 51 is wound up, so that the walking ladder frame 3 is upwards rotated to the corresponding position, the walking ladder frame 3 is folded, and the structure is simple, and the operation is convenient and quick.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. Boarding ladder for wharf, which is characterized in that: the walking ladder comprises a fixing frame and a walking ladder frame hinged to the fixing frame through at least one rotating mechanism, wherein a balancing weight is arranged at one side end part of the fixing frame far away from the walking ladder frame, at least one pulley mechanism is arranged on the fixing frame, at least one lifting lug is fixedly arranged on the walking ladder frame, a lifting rope is connected onto the lifting lug, the other end of the lifting rope is connected to the pulley mechanism, and the pulley mechanism can roll and unreel the lifting rope to enable the walking ladder frame to rotate.
2. A boarding ladder for wharf according to claim 1, characterized in that: the rotating mechanism comprises two first connecting lug plates arranged on the fixing frame and a second connecting lug plate arranged on the walking ladder frame, and the second connecting lug plates are hinged between the two first connecting lug plates through a hinge piece.
3. A boarding ladder for wharf according to claim 1, characterized in that: the fixing frame comprises a base and two upright posts vertically arranged on the base, and the balancing weight is fixedly arranged inside the base through spot welding.
4. A boarding ladder for wharf according to claim 3, characterized in that: and reinforcing ribs are arranged between the base and the upright posts.
5. A boarding ladder for wharf according to claim 1, characterized in that: the pulley mechanism comprises a U-shaped pulley and a hand winch which are arranged on the fixing frame, one end of the lifting rope bypasses the U-shaped pulley and is connected with the hand winch, and the lifting rope can be lengthened or shortened by rotating the hand winch so as to realize up-and-down rotation of the walking ladder frame.
6. A boarding ladder for wharf according to claim 5, characterized in that: the hand winch is a two-way self-locking hand winch, and the number of the hand winch is two.
7. A boarding ladder for wharf according to claim 1, characterized in that: the walking ladder frame comprises a bottom plate and protective rails arranged on two sides of the bottom plate, and grid steel plates are paved on the bottom plate.
8. A boarding ladder for wharf according to claim 7, characterized in that: the bottom plate is formed by splicing a plurality of channel steels, and the bottom plate comprises a plurality of cuboid frames which are formed by splicing in sequence.
9. A boarding ladder for wharf according to claim 1, characterized in that: the number of the rotating mechanisms is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264330.5U CN220996681U (en) | 2023-11-30 | 2023-11-30 | Boarding ladder for wharf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264330.5U CN220996681U (en) | 2023-11-30 | 2023-11-30 | Boarding ladder for wharf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220996681U true CN220996681U (en) | 2024-05-24 |
Family
ID=91117432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323264330.5U Active CN220996681U (en) | 2023-11-30 | 2023-11-30 | Boarding ladder for wharf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220996681U (en) |
-
2023
- 2023-11-30 CN CN202323264330.5U patent/CN220996681U/en active Active
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| GR01 | Patent grant |