CN220621739U

CN220621739U - Lifting boarding ladder

Info

Publication number: CN220621739U
Application number: CN202321986197.1U
Authority: CN
Inventors: 朱新俊; 黄永持; 黎业永; 叶新鸿; 周猛
Original assignee: Cssc Guijiang Shipbuilding Co ltd
Current assignee: Cssc Guijiang Shipbuilding Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-03-19
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a lifting boarding ladder, which belongs to the technical field of manufacturing of ship auxiliary devices, can be randomly adjusted in a certain height range, does not need to be disassembled and assembled, can also correspondingly adjust an angle of a pedal, and has the characteristics of convenience in use, high safety and good comfort; including base support and inclined ladder, base support upper portion be equipped with the platform, inclined ladder and one of them one side of platform articulated, platform and base support between be equipped with the high regulation structure that is used for adjusting the platform height, the inclined ladder in evenly be provided with a plurality of pedals along its extending direction, a plurality of footboard and inclined ladder between be equipped with the angle regulation structure that is used for adjusting the angle between footboard and the inclined ladder.

Description

Lifting boarding ladder

Technical Field

The utility model relates to the technical field of manufacturing of ship auxiliary instruments, in particular to a lifting boarding ladder.

Background

The ship is a transportation tool for transportation or operation in a water area, and when the ship needs to be berthed on the shore, people need to walk off the land from the ship or land on the ship by means of a boarding ladder because the cabin is at a distance from the ground. However, the water levels on different sides are different, and the water level of each side is changed at different periods, so that the boarding ladder is required to be adjustable in height.

Some boarding ladders with telescopic structures exist, for example, patent number 201921349671.3 discloses a telescopic structure of boarding ladder, through setting up first boarding ladder, both sides at first boarding ladder bottom are equipped with the spout respectively, the below of first boarding ladder is provided with the second boarding ladder through the spout slip, the bottom at first boarding ladder and second boarding ladder is equipped with the pneumatic cylinder, the top of first boarding ladder is provided with first fixed plate through first pivot rotation, the bottom of second boarding ladder is provided with the second fixed plate through second pivot rotation, during the use, utilize the flexible promotion second boarding ladder of pneumatic cylinder to slide in the spout, can adjust the length of boarding ladder, so that use, still need be fixed with cabin top and bottom surface respectively with first fixed plate and second fixed plate. The disassembly and assembly process of the boarding ladder is complicated, and when the length of the boarding ladder is changed, the placement angle of the boarding ladder is also changed, and the angle of the pedal cannot be correspondingly adjusted, so that the safety performance and the use comfort are not good in the use process. Therefore, there is a need to design a lifting boarding ladder that is more flexible and convenient to use, so as to solve the above problems.

Disclosure of Invention

The utility model aims to provide a lifting boarding ladder which can be randomly adjusted in a certain height range, does not need to be disassembled and assembled, can correspondingly adjust the angle of a pedal, and has the characteristics of convenience in use, high safety and good comfort.

The technical scheme adopted by the utility model is as follows:

the utility model provides a ship ladder is stepped on to over-and-under type, includes base support and inclined ladder, base support upper portion be equipped with the platform, inclined ladder and one of them one side of platform articulated, platform and base support between be equipped with the high regulation structure that is used for adjusting the platform height, the inclined ladder in evenly be provided with a plurality of pedals along its extending direction, a plurality of footboard and inclined ladder between be equipped with the angle regulation structure that is used for adjusting the angle between footboard and the inclined ladder.

Further, the height adjusting structure comprises a screw rod lifter, a worm gear reducer of the screw rod lifter is fixedly connected with the top of a base support, a screw rod of the screw rod lifter is fixedly connected with the bottom of a platform, four guide cylinders are arranged around the bottom of the platform, each guide cylinder is fixedly connected with the platform, four vertical rods are arranged around the top of the base support, each vertical rod is fixedly connected with the base support, the upper portion of each vertical rod is inserted into one guide cylinder corresponding to the vertical rod, a first pin groove is formed in the upper portion of each vertical rod in a penetrating mode, multiple groups of pin hole groups are uniformly distributed in the lower portion of each guide cylinder along the axial direction of the guide cylinder, each pin hole group comprises a pair of pin holes, each pin hole is located at the outer sides of two ends of the first pin groove, each vertical rod is provided with a first pin, and the first pin sequentially penetrates through one pin hole in the pin hole group of the same group and one pin hole to extend out of the guide cylinders after passing through the first pin groove.

Further, the angle adjusting structure comprises a pair of connecting rods which are symmetrically arranged at the bottom of the inclined ladder and are parallel to the inclined ladder, a plurality of rotating shafts are uniformly arranged in the inclined ladder, one side of each pedal is rotationally connected with a pair of connecting rods, a V-shaped groove is formed in the other side of each pedal, and the V-shaped groove corresponding to each pedal is clamped on the corresponding rotating shaft.

Further, be equipped with the fixed knot who is used for fixed footboard between inclined ladder and the connecting rod and construct, fixed knot construct including a pair of fixed plate and a pair of dwang that set up on the inclined ladder, a pair of dwang be located the both sides of inclined ladder, a pair of the middle part of dwang all rotates with the both ends that are located the same pivot at inclined ladder middle part and are connected, a pair of the one end and the connecting rod of dwang are articulated, a pair of the other end activity grafting of dwang have the second bolt, the fixed plate fix on the inclined ladder, the fixed plate on be equipped with a plurality of fixed orificess along the direction of rotation of dwang, the second bolt stretch out the fixed plate after passing one of them fixed orifices.

Furthermore, the two sides of the inclined ladder are provided with railings.

Furthermore, the upper part of the platform is provided with a surrounding rod handrail.

Furthermore, one side of the platform is provided with a springboard, the springboard is hinged with the edge of the bottom of the platform, one end of the springboard, which is far away from the platform, is provided with a chain, one end of the chain is fixedly connected with the springboard, and the other end of the chain is fixedly connected with a surrounding rod handrail.

Further, self-locking universal wheels are arranged around the bottom of the base support, and the self-locking universal wheels are arranged at the bottom of the inclined ladder.

Further, one end of the rotating rod far away from the connecting rod is provided with a handle.

Compared with the prior art, the utility model has the following beneficial effects:

according to the lifting boarding ladder, the platform is arranged at the upper part of the base support, the inclined ladder is hinged with one side of the platform, the height adjusting structure for adjusting the height of the platform is arranged between the platform and the base support, the inclined ladder is uniformly provided with the plurality of pedals along the extending direction, and the angle adjusting structure for adjusting the angle between the pedals and the inclined ladder is arranged between the plurality of pedals and the inclined ladder. When the landing ladder is used, the height of the platform can be adjusted in a certain height range by utilizing the height adjusting structure according to the actual height difference between the shore and the surface of the cabin, so that the landing ladder is leveled with the surface of the cabin, at the moment, the inclined ladder hinged with the platform can adjust the inclination of the landing ladder according to the actual height of the landing platform, and meanwhile, the angle between the pedal and the inclined ladder is adjusted by utilizing the angle adjusting structure, so that the pedal is leveled with the horizontal plane, the landing ladder is higher in safety and better in comfort, the landing ladder with the adjusted height can be directly used on site, the landing ladder does not need to be fixedly installed with the shore or the ship, and the landing ladder can be directly pushed away when not used, so that the landing ladder is more convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the structure of the present utility model, FIG. 1;

FIG. 2 is a schematic view of the structure of the present utility model, FIG. 2;

FIG. 3 is a schematic view of the structure of the base support and platform of the present utility model;

FIG. 4 is a schematic view of the structure of the guide cylinder and the vertical rod in the utility model;

FIG. 5 is a schematic view of the ramp structure of the present utility model;

fig. 6 is an enlarged schematic view of the structure at a in fig. 5.

Wherein: 1-base support, 2-inclined ladder, 3-platform, 4-footboard, 5-lead screw lift, 6-guide cylinder, 7-montant, 8-first keyway, 9-bolt hole, 10-first bolt, 11-connecting rod, 12-pivot, 13-V type groove, 14-fixed plate, 15-dwang, 17-fixed orifices, 18-second bolt, 19-railing, 20-enclose pole handrail, 21-springboard, 22-chain, 23-auto-lock universal wheel, 24-handle.

Detailed Description

The technical scheme of the present utility model will be described in further detail below with reference to the specific embodiments, but the present utility model is not limited thereto.

Referring to fig. 1 to 6, the lifting boarding ladder of the utility model comprises a base bracket 1 and an inclined ladder 2, wherein a platform 3 is arranged at the upper part of the base bracket 1, the inclined ladder 2 is hinged with one side of the platform 3, a height adjusting structure for adjusting the height of the platform 3 is arranged between the platform 3 and the base bracket 1, a plurality of pedals 4 are uniformly arranged in the inclined ladder 2 along the extending direction of the inclined ladder 2, and an angle adjusting structure for adjusting the angle between the pedals 4 and the inclined ladder 2 is arranged between the pedals 4 and the inclined ladder 2. When the lifting boarding ladder is used, the height of the platform 3 can be adjusted in a certain height range by utilizing the height adjusting structure according to the actual height difference between the shore and the cabin surface, so that the lifting boarding ladder is leveled with the cabin surface, at the moment, the inclined ladder 2 hinged with the platform 3 can adjust the inclination of the lifting ladder according to the actual height of the platform 3, and meanwhile, the angle between the pedal 4 and the inclined ladder 2 is adjusted by utilizing the angle adjusting structure, so that the pedal 4 keeps leveled with the horizontal plane, the boarding ladder is higher in safety and better in comfort, the boarding ladder with the adjusted height can be directly used on site, the boarding ladder does not need to be installed and fixed with the shore or a ship, and can be directly pushed away when not used, so that the boarding ladder is more convenient to use.

Further, the height adjusting structure comprises a screw rod lifter 5, a worm gear reducer of the screw rod lifter 5 is fixedly connected with the top of the base support 1, a screw rod of the screw rod lifter 5 is fixedly connected with the bottom of the platform 3, and the screw rod of the screw rod lifter 5 can be lifted or retracted by rotating a rotating wheel of the screw rod lifter 5 to drive the platform 3 to ascend and descend so as to adjust the height of the platform 3. Four guide cylinders 6 are arranged around the bottom of the platform 3, the upper ends of the guide cylinders 6 are fixedly connected with the platform 3, four vertical rods 7 are arranged around the top of the base support 1, the bottom of each vertical rod 7 is fixedly connected with the base support 1, the upper parts of the vertical rods 7 are inserted into the corresponding guide cylinder 6, and the guide cylinders 6 and the vertical rods 7 are matched with each other to help guide the platform 3 when the platform rises or falls. The upper portion of montant 7 run through and be equipped with first bolt groove 8, the lower part of guiding cylinder 6 has multiunit bolt hole group along its axial evenly distributed, every group bolt hole group include a pair of bolt hole 9, a pair of bolt hole 9 be located respectively the both ends outside of first bolt groove 8, every montant 7 on be equipped with first bolt 10, first bolt 10 pass one of them bolt hole 9 in the bolt hole group of same group, first bolt groove 8 after follow another bolt hole 9 and stretch out outside guiding cylinder 6, after adjusting platform 3 height, insert the corresponding plug wire hole group of this position with first bolt 10 and pass first bolt groove 8, can further fix platform 3, prevent that its use from taking place the gliding to can protect lead screw lift 5.

Further, the angle adjusting structure comprises a pair of connecting rods 11 which are symmetrically arranged at the bottom of the inclined ladder 2 and are parallel to the inclined ladder 2, a plurality of rotating shafts 12 are uniformly arranged in the inclined ladder 2, one side of each pedal 4 is rotationally connected with one pair of connecting rods 11, a V-shaped groove 13 is formed in the other side of each pedal, each V-shaped groove 13 corresponding to each pedal 4 is clamped on the corresponding rotating shaft 12, the V-shaped groove 13 is clamped with the corresponding rotating shaft 12, and the connecting rods 11 are conveniently moved to drive the pedals 4 to rotate so as to change the angle between the pedals 4 and the inclined ladder 2.

Further, be equipped with the fixed knot who is used for fixed footboard 4 between inclined ladder 2 and connecting rod 11 and construct, fixed knot construct including a pair of fixed plate 14 and a pair of dwang 15 that set up on inclined ladder 2, a pair of dwang 15 be located the both sides of inclined ladder 2, a pair of dwang 15 middle part all with be located the both ends rotation of the same pivot 12 in inclined ladder 2 middle part and be connected, a pair of dwang 15 one end and connecting rod 11 are articulated, a pair of dwang 15 the other end activity grafting of dwang 15 have second bolt 18, fixed plate 14 fix on inclined ladder 2, fixed plate 14 on be equipped with a plurality of fixed orifices 17 along the direction of rotation of dwang 15, second bolt 18 pass one of them fixed orifices 17 back and stretch out fixed plate 14, dwang 15 can drive connecting rod 11 and remove to drive footboard 4 and revolute shaft 12 and rotate, behind the angle of adjusting footboard 4 and inclined ladder 2, insert second bolt 18 and its position corresponding fixed orifices 17, can realize the fixing to footboard 4, like this is better and the people is more comfortable to the level and is stepped on.

Furthermore, the two sides of the inclined ladder 2 are provided with the rails 19, the upper part of the platform 3 is provided with the rail 20, and people can hold the rails 19 or the rail 20 when climbing the ladder, so that the inclined ladder is more anti-skid.

Further, one side of the platform 3 is provided with the springboard 21, the springboard 21 is hinged to the edge of the bottom of the platform 3, one end of the springboard 21, far away from the platform 3, is provided with the chain 22, one end of the chain 22 is fixedly connected with the springboard 21, the other end of the chain is fixedly connected with the surrounding rod handrail 20, when the boarding ladder needs to be used, the springboard 21 is put down and can extend into the ship edge, boarding safety is improved, and when the boarding ladder is not used, the springboard 21 is folded and is erected beside the surrounding rod handrail 20, so that storage space is saved.

Further, the self-locking universal wheels 23 are arranged around the bottom of the base support 1, and the self-locking universal wheels 23 are arranged at the bottom of the inclined ladder 2, so that the base support 1 and the inclined ladder 2 can be conveniently moved, and the self-locking universal wheels 23 can be locked when the inclined ladder is used.

Further, a handle 24 is disposed at an end of the rotating rod 15 away from the connecting rod 11, so as to facilitate rotating the rotating rod 15.

The foregoing description of the preferred embodiments of the utility model is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a ship ladder is stepped on to over-and-under type, its characterized in that, including base support (1) and inclined ladder (2), base support (1) upper portion be equipped with platform (3), inclined ladder (2) and one of them one side of platform (3) articulated, platform (3) and base support (1) between be equipped with the high regulation structure who is used for adjusting platform (3), inclined ladder (2) in evenly be provided with a plurality of footboard (4) along its extending direction, a plurality of footboard (4) and inclined ladder (2) between be equipped with the angle adjustment structure that is used for adjusting the angle between footboard (4) and the inclined ladder (2).

2. The lifting boarding ladder according to claim 1, wherein the height adjusting structure comprises a screw rod lifter (5), a worm gear reducer of the screw rod lifter (5) is fixedly connected with the top of the base bracket (1), a screw rod of the screw rod lifter (5) is fixedly connected with the bottom of the platform (3), four guide cylinders (6) are arranged around the bottom of the platform (3), each guide cylinder (6) is fixedly connected with the platform (3), four vertical rods (7) are arranged around the top of the base bracket (1), the bottom of each vertical rod (7) is fixedly connected with the base bracket (1), each vertical rod (7) is inserted into one guide cylinder (6) corresponding to the vertical rod, a plurality of groups of bolt pin hole groups are uniformly distributed on the lower part of the guide cylinder (6) along the axial direction of the guide cylinder, each group of bolt pin holes (9) comprises a pair of bolt pin holes (9), the bottoms of the vertical rods (7) are fixedly connected with the base bracket (1), the upper parts of the vertical rods (7) are inserted into one guide cylinder (6) corresponding to the upper parts of the guide cylinders, the upper parts of the vertical rods (7) are penetrated through a first bolt pin groove (8), a plurality of bolt pin hole groups (9) are respectively arranged on the first bolt pin holes (10) of the first bolt holes (9), and one bolt pin hole (9) is penetrated through one of the first bolt holes (10) respectively The first pin groove (8) extends out of the guide cylinder (6) from the other pin hole (9).

3. The lifting boarding ladder according to claim 1, wherein the angle adjusting structure comprises a pair of connecting rods (11) which are symmetrically arranged at the bottom of the inclined ladder (2) and are parallel to the inclined ladder (2), a plurality of rotating shafts (12) are uniformly arranged in the inclined ladder (2), one side of each pedal (4) is rotationally connected with one pair of connecting rods (11), the other side of each pedal is provided with a V-shaped groove (13), and the V-shaped groove (13) corresponding to each pedal (4) is clamped on the corresponding rotating shaft (12).

4. A lifting boarding ladder according to claim 3, characterized in that a fixing structure for fixing the pedals (4) is arranged between the inclined ladder (2) and the connecting rod (11), the fixing structure comprises a pair of fixing plates (14) symmetrically arranged on the inclined ladder (2) and a pair of rotating rods (15), the rotating rods (15) are positioned on two sides of the inclined ladder (2), the middle parts of the rotating rods (15) are respectively connected with two ends of the same rotating shaft (12) positioned in the middle of the inclined ladder (2) in a rotating way, one end of each rotating rod (15) is hinged with the connecting rod (11), the other end of each rotating rod (15) is movably inserted with a second bolt (18), the fixing plates (14) are fixed on the inclined ladder (2), a plurality of fixing holes (17) are formed in the fixing plates (14) along the rotating direction of the rotating rods (15), and the second bolts (18) penetrate through one fixing holes (17) and then extend out of the fixing plates (14).

5. A lifting boarding ladder according to claim 1, characterized in that the two sides of the inclined ladder (2) are provided with railings (19).

6. A lifting boarding ladder according to claim 1, characterized in that the upper part of the platform (3) is provided with a surrounding rod handrail (20).

7. The lifting boarding ladder of claim 6, wherein one side of the platform (3) is provided with a springboard (21), the springboard (21) is hinged with the bottom edge of the platform (3), one end of the springboard (21) far away from the platform (3) is provided with a chain (22), one end of the chain (22) is fixedly connected with the springboard (21), and the other end of the chain is fixedly connected with a surrounding rod handrail (20).

8. The lifting boarding ladder according to claim 1, characterized in that self-locking universal wheels (23) are arranged on the periphery of the bottom of the base support (1), and the self-locking universal wheels (23) are arranged on the bottom of the inclined ladder (2).

9. A boarding ladder according to claim 4, characterized in that the end of the turning rod (15) remote from the connecting rod (11) is provided with a handle (24).