CN217269952U

CN217269952U - Telescopic automatically regulated step on wheel ladder

Info

Publication number: CN217269952U
Application number: CN202220512914.6U
Authority: CN
Inventors: 沈丽宾; 金国林; 林俊; 吴智高; 陈炜骏; 陈凌; 余萍
Original assignee: Shanghai Dongzhen Ship Engineering Co ltd
Current assignee: Shanghai Dongzhen Ship Engineering Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-23
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a telescopic automatically regulated ladder of stepping on a wheel, including arranging the pier platform of stepping on a wheel on the pier, through first pin structure with the pier platform of stepping on a wheel link to each other in order to realize horizontal pivoted rotary platform, link to each other in order to realize the flexible approach bridge of tilting and through the second pin structure with flexible approach bridge continuous step on a wheel transition ladder. The utility model is suitable for a various types of small-size boats and ships, the commonality is very strong, and can not occupy the place space in pier production area, can be according to the parking position automatic adjustment of ship and place the position, can be along with the every single move angle and the length of its flexible approach bridge of tidal water fluctuation automatically regulated, and when highest tide level and lowest tide level, the inclination of flexible approach bridge all accords with the requirement that personnel's safety was walked.

Description

Telescopic automatically regulated step on wheel ladder

Technical Field

The utility model relates to a pier ladder of stepping on the wheel especially relates to a telescopic automatically regulated ladder of stepping on the wheel.

Background

At present, the ships usually adopt 3 forms of boarding ladders after docking: the first is to take the gangway ladder carried by the ship as a boarding ladder, and the boarding and disembarking of the gangway ladder carried by the ship are utilized, so that the temporary use in a short time is not problematic, and the use for a long time is very inconvenient. The second type is that a buoyancy tank is arranged at the wharf side, a stair is fixed between the buoyancy tank and the wharf, the stair needs to be embedded in the wharf, then the ship is stopped at the buoyancy tank side, and a ladder with a fixed height is arranged on a deck of the buoyancy tank. The third is to do a fixed wheel ladder tower on the edge of the wharf, the height of the wharf wheel tower is generally more than 3 meters, a ladder more than 20 meters is provided, the upper end of the ladder is fixed with a temporary ladder platform on a ship deck, the lower end of the ladder is connected with the wheel tower, a rail is arranged on the wheel tower, the ladder is connected with a rotating platform on the rail, the ladder can move longitudinally along with the rise and fall tide, the wheel ladder is only limited to large-tonnage ships and can only be used on the wharf with wide space, and the ladder can only keep an upward angle in the use process.

Disclosure of Invention

In view of this, the utility model provides a telescopic automatically regulated ladder of stepping on a wheel, this ladder of stepping on a wheel is applicable to various types of small-size boats and ships, and the commonality is very strong, and can not occupy the place space in pier production area, can be according to the berth position automatic adjustment of ship and place the position, simultaneously, can be along with the every single move angle and the length of its flexible approach bridge of tidal water fluctuation automatically regulated.

The utility model provides a telescopic automatically regulated step on wheel ladder, is including arranging the pier step on the wheel platform on the pier, step on the wheel platform through first round pin axle construction and pier and link to each other in order to realize horizontal pivoted rotary platform, link to each other in order to realize upper and lower pivoted flexible approach bridge and step on the wheel transition ladder through second round pin axle construction and flexible approach bridge link to each other, flexible approach bridge includes main approach bridge, links to each other with main approach bridge through the slip subassembly with the flexible gliding assistance approach bridge of length direction along main approach bridge.

Preferably, the first pin structure comprises a first bearing and a first rotating pin, the first bearing is fixed inside the wharf wheel-climbing platform, the first rotating pin vertically penetrates through the wharf wheel-climbing platform and the rotating platform and is locked and fixed through a fastener, and the rotating platform is located above the wharf wheel-climbing platform.

Preferably, the first pin structure further comprises a plurality of second bearings arranged between the rotating platform and the wharf wheel-climbing platform, and bearing seats of the second bearings are fixed on the wharf wheel-climbing platform through fasteners.

Preferably, the two second bearings are arranged, and an included angle formed between the two second bearings and a connecting line of the centers of the rotating platforms is 120 degrees.

Preferably, the sliding assembly comprises a sliding rail fixed on the inner side of the main approach bridge and arranged along the length direction of the main approach bridge and pulleys fixed on two sides of the auxiliary approach bridge, the pulleys are clamped on the sliding rail, a motor is fixed on the main approach bridge, a motor gear is fixed on an output shaft of the motor, and a straight gear meshed with the motor gear is fixed at the end part of the auxiliary approach bridge.

Preferably, a safety net hook is further fixed on the outer side of the main approach bridge.

Preferably, the second pin structure comprises a transverse pin, a pin shaft seat and a second rotating pin, the pin shaft seat is fixed to the end of the auxiliary approach bridge through the transverse pin horizontally arranged, the pin shaft seat is located above the transition ladder, and the second rotating pin vertically penetrates through the transition ladder and the pin shaft seat and is locked and fixed through a fastener.

Preferably, the second pin structure further comprises a plurality of third bearings arranged between the pin shaft seats and the transition ladder, and bearing seats of the third bearings are fixed to the top of the transition ladder through fasteners.

Preferably, a traction steel wire rope is further arranged between the rotary platform and the main approach bridge, one end of the traction steel wire rope is wound on the roller at the top of the rotary platform, and the other end of the traction steel wire rope is fixed on the main approach bridge.

Preferably, the dockside landing platform is positioned in the stern area of the docked vessel.

The utility model has the advantages that:

1. the boarding ladder of the utility model is suitable for various small ships, such as tug ships or official ships, and has strong universality and wide application; the device does not occupy the field space of a wharf production area, can automatically adjust the placing position according to the berthing position of a ship, and is convenient to move.

2. The utility model discloses can be along with the every single move angle and the length of its flexible approach bridge of tidal water fluctuation automatically regulated, when the highest tide level and the lowest tide level, the inclination of flexible approach bridge all accords with the requirement that personnel's safety walked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a plan view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 1.

Fig. 4 is an enlarged view of a portion D in fig. 3.

Fig. 5 is a sectional view taken along line B-B in fig. 1.

Fig. 6 is a sectional view taken along line C-C in fig. 1.

The reference numerals in the figures have the meaning:

1 is the pier wheel-climbing platform, 2 is rotary platform, 3 is flexible approach bridge, 4 are the wheel-climbing transition ladder, 5 are first bearings, 6 are first rotatory round pin, 7 are the second bearings, 8 are the horizontal pin seat, 9 are main approach bridge, 10 are for assisting the approach bridge, 11 are the slide rail, 12 are the pulley, 13 are the motor, 14 are the spur gear, 15 are the safety net couple, 16 are the horizontal pin, 17 are the horizontal pin seat, 18 are the rotatory round pin of second, 19 are the third bearing, 20 are traction wire rope.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some, and not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The present application is described in further detail below by way of specific embodiments in conjunction with the following figures.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected" and "fixed" are used in a broad sense, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The utility model provides a telescopic automatically regulated ladder of stepping on a wheelchair, including pier wheel platform 1, rotary platform 2, flexible approach bridge 3 and wheel transition ladder 4.

The wharf boarding platform 1 is arranged on a wharf. Dock wheel platform 1 is a platform frame that has the ladder, and the universal wheel is installed to dock wheel platform 1's bottom, can place the arbitrary position that does not influence the construction and the vehicle passes through at the dock according to the berth position of ship, specifically can place in the stern region of berthing the ship, and dock wheel platform 1 should make it parallel with the berthing ship when placing. In order to prevent the side turning phenomenon in the use process, a plurality of iron blocks can be fixed at the bottom of the steps of the ladder of the wharf wheel-climbing platform 1 for ballasting.

The rotary platform 2 is connected with the wharf wheel-climbing platform 1 through a first pin shaft structure so as to realize horizontal rotation.

First pin structure includes first bearing 5 and first rotatory round pin 6, first bearing 5 is fixed inside pier wheel-climbing platform 1, and first rotatory round pin 6 is vertical to pass pier wheel-climbing platform 1 and rotary platform 2 and fixed through fastener locking, and rotary platform 2 is located pier wheel-climbing platform 1's top.

When the first rotating pin 6 rotates circumferentially, the first rotating pin 6 drives the rotating platform 2 to rotate in the horizontal direction, so that the rotating platform 2 and the wharf wheel-climbing platform 1 are staggered by a certain angle. In the present embodiment, the maximum clockwise rotation angle of the rotary platform 2 is 25 °.

Because first rotatory round pin 6 sets up the intermediate position that pier riding wheel platform 1 and rotary platform 2, consequently, in order to prevent that rotary platform 2 from rotating the in-process and appearing rocking, can set up a plurality of second bearings 7 between rotary platform 2 and pier riding wheel platform 1, so not only can guarantee rotary platform 2 pivoted stability, can reduce the rotatory frictional force between rotary platform 2 and the pier riding wheel platform 1 moreover. When the second bearing 7 is mounted, the bearing block of the second bearing 7 is fixed to the quay ramp platform 1 by fasteners.

In this embodiment, two second bearings 7 are provided, and an included angle between the two second bearings 7 and a connecting line of centers of the rotating platform 7 is 120 °.

The telescopic approach bridge 3 is connected with the rotary platform 2 to realize up-and-down rotation, namely up-and-down turning. Two sides of the rotary platform 2 are respectively fixed with a pin shaft seat 8, and the end part of the telescopic approach bridge 3 is hinged with the rotary platform 2 through a pin shaft fixed in the pin shaft seat 8 so as to realize the action of turning up and down.

Specifically, the telescopic approach bridge 3 includes a main approach bridge 9, and an auxiliary approach bridge 10 connected to the main approach bridge 9 through a sliding assembly to telescopically slide along a length direction of the main approach bridge 9, and the auxiliary approach bridge 10 is disposed in the main approach bridge 9.

The sliding assembly comprises a sliding rail 11 fixed on the inner side of the main approach bridge 9 and arranged along the length direction of the main approach bridge 9 and pulleys 12 fixed on two sides of the auxiliary approach bridge 10, the pulleys 12 are clamped on the sliding rail 11, a motor 13 is fixed on the main approach bridge 9, a motor gear (not shown in the figure) is fixed on an output shaft of the motor 13, and a straight gear 14 meshed with the motor gear is fixed at the end part of the auxiliary approach bridge 10.

When the motor 13 is started, the output shaft of the motor 13 drives the motor gear to rotate, and under the meshing action of the motor gear and the spur gear 14, the pulley 12 on the auxiliary approach bridge 10 slides on the slide rail 11, so that the auxiliary approach bridge 10 moves along the length direction of the main approach bridge 9, and the length of the whole telescopic approach bridge 3 is changed.

Preferably, a safety net hook 15 is further fixed on the outer side of the main approach bridge 9.

The wheel-climbing transition ladder 4 is connected to the end of the auxiliary approach bridge 10 through a second pin shaft structure, and the wheel-climbing transition ladder 4 can rotate horizontally and vertically.

Specifically, the second pin structure includes a horizontal pin 16, a pin shaft seat 17, and a second rotating pin 18, the pin shaft seat 17 is fixed to the end of the auxiliary approach bridge 10 through the horizontal pin 16, the pin shaft seat 17 is located above the boarding wheel transition ladder 4, and the second rotating pin 18 vertically passes through the boarding wheel transition ladder 4 and the pin shaft seat 17 and is locked and fixed through a fastener.

In this embodiment, the longitudinal section of the transverse pin base 17 is U-shaped, the transverse pin base 17 is clamped outside the auxiliary access bridge 10 and fixed to the auxiliary access bridge 10 by the transverse pin 16 inserted transversely, and the transverse pin base 17 can rotate up and down around the transverse pin 16. Because the transverse pin seat 17 is connected with the boarding wheel transition ladder 4 through the second rotating pin 18, the transverse pin seat 17 can drive the boarding wheel transition ladder 4 to realize the up-and-down rotating action.

Meanwhile, as the bottom of the transverse pin seat 17 is connected with the boarding wheel transition ladder 4 through the second rotating pin 18, when the second rotating pin 18 rotates circumferentially, the second rotating pin 18 can drive the boarding wheel transition ladder 4 to rotate in the horizontal direction, so that a certain angle is staggered between the boarding wheel transition ladder 4 and the bottom plate of the transverse pin seat 17.

Because the second rotating pin 18 sets up in the intermediate position of the transition ladder 4 of riding wheel and horizontal pin seat 17, consequently, in order to place the horizontal rotation in-process of the transition ladder 4 of riding wheel and appear rocking, can set up a plurality of third bearings 19 between horizontal pin seat 17 and the transition ladder 4 of riding wheel, so not only can guarantee the pivoted stability of the transition ladder 4 of riding wheel, can reduce the rotatory frictional force between the transition ladder 4 of riding wheel and the horizontal pin seat 17 moreover. When the third bearing 19 is installed, a bearing seat of the third bearing 19 is fixed on the top of the boarding ladder 4 through a fastener.

Preferably, a traction steel wire rope 20 is further arranged between the rotary platform 2 and the main approach bridge 9, one end of the traction steel wire rope 20 is wound on a roller at the top of the rotary platform 2, and the other end of the traction steel wire rope is fixed on the main approach bridge 9.

When the telescopic automatic adjustment boarding ladder of the utility model is in actual use,

firstly, the utility model is placed at any position at the wharf side without influencing construction and vehicle passing according to the docking position of a docking ship at the wharf, and the wharf boarding platform 1 is parallel to the stern area of the docking ship;

then horizontally rotating the rotary platform 2, the rotary platform 2 drives the telescopic approach bridge 3 and the boarding wheel transition ladder 4 to rotate to the position above a deck for berthing the ship,

then, a motor 13 is used for driving a pulley 12 of the auxiliary approach bridge to slide on a slide rail 11 so as to change the length of the whole telescopic approach bridge 3, when the length of the telescopic approach bridge 3 is adjusted to a proper state, a traction steel wire rope 20 is released, the telescopic approach bridge 3 rotates downwards, and therefore the boarding wheel transition ladder 4 is placed on a deck, and after the transition ladder is placed on a stern deck, the steel wire rope is in a free state. In order to guarantee the stability that the wheel-climbing transition ladder 4 was placed, guarantee simultaneously that hull deck structure is not destroyed, can install the magnet piece and carry out magnetism with the deck and inhale fixedly on the bottom four corners of wheel-climbing transition ladder 4.

When the ship floats up and down along with the tide fluctuation, the pulley 11 of the auxiliary approach bridge can slightly slide in the slide rail 11 of the main approach bridge 9, so that the length of the telescopic approach bridge 3 is kept at the optimal using length at any time, meanwhile, the pitching angle of the telescopic approach bridge 3 can be timely adjusted according to the tide fluctuation range, and the inclination of the telescopic approach bridge 3 is not more than 25 degrees.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a telescopic automatically regulated step on wheel ladder, its characterized in that, including arranging the pier step on the wheel platform on the pier, through first round pin axle construction with the pier step on the wheel platform link to each other in order to realize horizontal pivoted rotary platform, link to each other in order to realize tilting flexible approach bridge and step on the wheel transition ladder that links to each other with flexible approach bridge through second round pin axle construction, flexible approach bridge includes main approach bridge, links to each other with main approach bridge through the slip subassembly with the flexible gliding assistance approach bridge of length direction along main approach bridge.

2. The telescopic self-adjusting stairlift according to claim 1, wherein the first pin arrangement comprises a first bearing secured within the quay stairlift platform and a first swivel pin passing vertically through the quay stairlift platform and the swivel platform and secured by a fastener, the swivel platform being located above the quay stairlift platform.

3. The telescopic self-adjusting stairlift according to claim 2, wherein the first pin arrangement further comprises a plurality of second bearings disposed between the rotary platform and the quay boarding platform, the bearing blocks of the second bearings being secured to the quay boarding platform by fasteners.

4. The telescopic self-adjusting stairlift according to claim 3, wherein two of the second bearings are provided, the two second bearings forming an angle of 120 ° with a line connecting the centres of the rotary platforms.

5. The telescopic automatic adjustment boarding ladder of claim 1, wherein the sliding assembly comprises a sliding rail fixed on the inner side of the main approach bridge and arranged along the length direction of the main approach bridge, and pulleys fixed on both sides of the auxiliary approach bridge, wherein the pulleys are clamped on the sliding rail, a motor is fixed on the main approach bridge, a motor gear is fixed on an output shaft of the motor, and a spur gear meshed with the motor gear is fixed at the end part of the auxiliary approach bridge.

6. The telescopic automatic adjustment boarding ladder of claim 1 or 5, characterized in that a safety net hook is further fixed to the outer side of the main approach bridge.

7. The telescopic automatic adjustment boarding ladder of claim 1, wherein the second pin structure comprises a horizontal pin, a pin shaft seat and a second rotating pin, the pin shaft seat is fixed with the end of the auxiliary approach bridge through the horizontal pin, the pin shaft seat is positioned above the transition ladder, and the second rotating pin vertically passes through the transition ladder and the pin shaft seat and is locked and fixed through a fastener.

8. The telescopic self-adjusting stairway as recited in claim 7, wherein the second pin structure further comprises a plurality of third bearings disposed between the pin receptacles and the transition ladder, the bearing receptacles of the third bearings being secured to the top of the transition ladder by fasteners.

9. The telescopic automatic adjustment boarding ladder of claim 1, wherein a traction wire rope is further wound between the rotary platform and the main approach bridge, one end of the traction wire rope is wound on a roller at the top of the rotary platform, and the other end of the traction wire rope is fixed on the main approach bridge.

10. The telescopic self-adjusting stairlift according to claim 1, wherein the quay boarding platform is placed in a stern area of a docked vessel.