CN217945455U - Extensible marine ladder stand - Google Patents

Abstract

An extendable marine ladder, which can be detachably installed on the deck of a ship, includes a ladder, a ladder fixing frame, and a hinge assembly; The upper end of the rod is connected with a ladder handrail; the end of the ladder handrail is relatively far away from the fixed rod of the ladder. The ladder frame and the extended ladder frame, the extended ladder frame is installed at the lower end of the fixed ladder frame, the extended ladder frame is arranged inside the fixed ladder frame, and the extended ladder frame is slidably connected with the fixed ladder frame. The marine ladder is designed to be slidingly connected with the fixed ladder frame to realize the extensible performance of the marine ladder, and the ladder is clamped on the handrail of the ladder through the design of the clip. This kind of ladder has a simple structure and is easy to use. It can make the ladder go down Extended, easy to summarize.

Description

An extendable marine ladder

technical field

The utility model relates to the technical field of marine equipment, in particular to an extendable marine ladder.

Background technique

Ships are generally equipped with partitions, and between two floors, it is generally necessary to rely on ladders to move up and down. The height of the ladder will affect its use range, so the general ladders are ladders with a certain height, but the space range on the ship Limited, a large portion of the ladder will affect the crew's walking or other activities. And if the ladder needs to be placed aside, because of the limited space of the ship, there is not enough space to place the induction ladder.

The Chinese utility model patent with the patent application number of CN201320610289.X discloses a marine climbing ladder, which includes ladder beams with a mouth-shaped cross-section and step bars fixed between the ladder beams. The upper surface of the step bars is provided with anti-slip grooves, so There are at least two through holes symmetrical to the center line of the step bar in the groove.

The above-mentioned existing technical solutions have the following defects: in the installation of the marine ladder, due to the limited space of the ship, there is not enough space to place the induction ladder.

Utility model content

In order to solve the above problems, the utility model provides an extendable marine ladder, which can be extended when in use, and can be contracted when not in use, so as to be convenient for generalization and placement.

In order to achieve the above object, the utility model is achieved through the following technical solutions: an extendable marine ladder, which can be detachably installed on the deck of a ship, including a ladder, a ladder fixing frame, and a hinge assembly; the ladder fixing frame includes a ladder handrail and a ladder fixing Rod, the bottom end of the ladder fixed rod is fixedly connected with the ship deck, the upper end of the ladder fixed rod is connected with the ladder handrail; the end of the ladder handrail is relatively far away from the ladder fixed rod is connected with the ladder, the ladder handrail and the ladder are connected by a hinge assembly, and the ladder handrail is equipped with a clamp , the ladder is set on the handrail of the ladder through clamps; the ladder includes a fixed ladder frame and an extended ladder frame. The lower end of the fixed ladder frame is installed with an extended ladder frame. connect.

When the extensible marine ladder described in the utility model is in use, the ladder is removed from the clip, the ladder is turned downward through the hinge assembly, and the extended ladder frame is extended downward from the inner side of the fixed ladder frame, so that the staff can easily climb. The marine ladder is designed to be slidingly connected with the fixed ladder frame to realize the extensibility of the marine ladder, and the ladder is clamped on the handrail of the ladder through the design of the clip. This kind of ladder has a simple structure and is easy to use. It can make the ladder go down Extended, easy to summarize.

Further, the extended ladder frame includes two extended ladder columns arranged in pairs, and a plurality of second ladder bars are horizontally installed between the two extended ladder columns, and a limit chute is provided on the inner side of the extended ladder frame, and the inside of the limit chute moves A sliding block is connected; the fixed ladder frame includes two fixed ladder columns arranged in pairs, a plurality of first ladder bars are installed horizontally between the two fixed ladder columns, and the inner side of the fixed ladder columns is connected with the sliding block. By arranging the sliding block to be movably connected inside the limit chute, the sliding block drives the extended ladder column to slide downward, so as to realize the downward extension of the extended ladder column.

Further, a sliding chamber is provided inside the sliding block, a spring is fixedly connected to one side inside the sliding chamber, a sliding piece is fixedly connected to the end of the spring away from the inner wall of the sliding chamber, and a push rod is fixedly connected to a side of the sliding piece away from the spring, The end of the push rod away from the sliding sheet passes through the limit chute and extends to the outer surface of the extended ladder column, and a push handle is fixedly installed. By pressing the handle inwardly, the push rod shrinks inwardly, and then pulls the extension ladder column, and the sliding block slides inside the limit chute, so that the sliding block slides down to drive the extension ladder column to extend downward, improving the climbing ladder. Extendable effect.

Further, the hinge assembly includes a fixed block and a rotating block; the fixed block is fixedly connected to the lower end of the ladder handrail, one end of the rotating block is rotatably mounted on the fixed block, and the other end of the rotating block is fixedly connected to the upper end of the fixed ladder frame. The reversible use function of the fixed ladder frame is realized by being provided with a hinge assembly.

Further, the fixed block is provided with a positioning hole, and the rotating block is provided with a rotating hole corresponding to the positioning hole, and the rotating hole and the positioning hole are connected by a bolt. Through the pin connection between the rotating hole and the positioning hole, the fixed ladder frame is rotated relative to the handrail of the ladder, which is convenient for generalized use.

Further, the surfaces of the first ladder bar and the second ladder bar are provided with anti-slip mats, and the surfaces of the anti-slip mats are provided with anti-slip protrusions. By setting the anti-slip mat with anti-slip protrusions, the friction force during use is improved, and safety accidents caused by slipping during use are prevented.

Further, the bottom end of the ladder fixing rod is provided with a waist gasket, and the waist gasket is symmetrically provided with fixing holes. The waist gasket with fixing holes is provided to improve the stability of the connection between the ladder fixing rod and the hull, and facilitate the installation and disassembly of the ladder.

Further, there are two ladder fixing frames, the two ladder fixing frames have the same structure, and the two ladder fixing frames are symmetrically installed on the upper ends of the two fixed ladder posts.

The beneficial effects of the utility model are:

1. When the extensible marine ladder described in the utility model is used, the ladder is removed from the clip, the ladder is turned downward through the hinge assembly, and the extended ladder frame is extended downward from the inner side of the fixed ladder frame to make the working It is easy for people to climb. The marine ladder is designed to be slidingly connected with the fixed ladder frame to realize the extensibility of the marine ladder, and the ladder is clamped on the handrail of the ladder through the design of the clip. This kind of ladder has a simple structure and is easy to use. It can make the ladder go down Extended, easy to summarize.

2. At the same time, the utility model provides an extendable marine ladder. By setting the sliding block to be movably connected inside the limit chute, the sliding block drives the extended ladder column to slide downward, so as to realize the downward extension of the extended ladder column.

3. At the same time, the utility model provides an extendable marine ladder. By pressing the handle inward, the pressing rod shrinks inward, and then pulls the extended ladder column, and the sliding block slides inside the limit chute. The downward sliding of the sliding block drives the extending ladder column to extend downward, thereby improving the extendable effect of the climbing ladder.

4. At the same time, the utility model provides an extendable marine ladder, which can realize the reversible use function of the fixed ladder frame through the hinge assembly.

Description of drawings

Fig. 1 is a schematic structural diagram of an extendable marine ladder described in Embodiment 1;

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1;

FIG. 3 is an extended schematic diagram of an extendable marine ladder described in Embodiment 1;

Fig. 4 is a schematic structural diagram of the hinge assembly described in Embodiment 1;

Fig. 5 is a three-dimensional schematic diagram of the ladder fixing frame described in Embodiment 1;

Fig. 6 is a three-dimensional schematic diagram of the ladder described in Embodiment 1;

In the figure: climbing ladder 1, fixed ladder frame 11, fixed ladder column 111, first ladder bar 112, extended ladder frame 12, extended ladder column 121, second ladder bar 122, limit chute 123, sliding block 124, sliding chamber 125, spring 126, sliding sheet 127, push rod 128, push handle 129, ladder fixing frame 2, ladder handrail 21, clip 211, ladder fixing rod 22, waist gasket 221, fixing hole 222, hinge assembly 3 , fixed block 31, positioning hole 311, rotating block 32, rotating hole 321, ship deck 4.

detailed description

The following examples further illustrate the utility model, aiming to illustrate the technical solution of the utility model more clearly, and should not be interpreted as a limitation.

Unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood as the usual meanings understood by those skilled in the art. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Example 1

As shown in Figures 1 to 6, an extendable marine ladder is provided, which is detachably installed on the ship deck 4, and includes a ladder 1, a ladder fixing frame 2, and a hinge assembly 3; the ladder fixing frame 2 includes a ladder handrail 21 and a ladder fixing Rod 22, the bottom end of the ladder fixing rod 22 is fixedly connected with the ship deck 4, and the upper end of the ladder fixing rod 22 is connected with the ladder handrail 21; the ladder handrail 21 is relatively far away from the ladder fixing rod 22. One end is connected with the ladder 1, and the ladder handrail 21 and the ladder 1 are connected through a hinge Component 3 is connected, and there is a clip 211 on the handrail 21 of the ladder, and the ladder 1 is clamped on the handrail 21 of the ladder through the clip 211; the ladder 1 includes a fixed ladder frame 11 and an extended ladder frame 12, and an extended ladder is installed at the lower end of the fixed ladder frame 11 Frame 12, the extended ladder frame 12 is arranged inside the fixed ladder frame 11, and the extended ladder frame 12 is slidably connected with the fixed ladder frame 11. Specifically, there are two ladder fixing frames 2, and the two ladder fixing frames 2 have the same structure.

Preferably, when the extendable marine ladder is not in use, the ladder 1 can be flipped upwards through the hinge assembly 3, the ladder 1 is clamped on the handrail 21 of the ladder through the clip 211, and the extended ladder frame 12 is shrunk to be placed in a generalized manner. During use, the ladder 1 is removed from the clip 211, the ladder 1 is turned downwards through the hinge assembly 3, and the extended ladder frame 12 is extended downward from the inner side of the fixed ladder frame 11, so that the staff can easily climb and realize the function of the ladder. Functions can be extended.

Further, the extended ladder frame 12 includes two extended ladder columns 121 arranged in pairs, and a plurality of second ladder bars 122 are installed horizontally between the two extended ladder columns 121 , and a limiting chute 123 is provided inside the extended ladder frame 12 . The inside of the limit chute 123 is movably connected with a sliding block 124; the fixed ladder frame 11 includes two fixed ladder columns 111 arranged in pairs, and a plurality of first ladder bars 112 are installed horizontally between the two fixed ladder columns 111. The inner surface of the column 111 is connected with the sliding block 124 .

Further, the inside of the sliding block 124 is provided with a sliding chamber 125, one side of the sliding chamber 125 is fixedly connected with a spring 126, and the end of the spring 126 away from the inner wall of the sliding chamber 125 is fixedly connected with a sliding sheet 127, and the sliding sheet 127 is away from the side of the spring 126. One side is fixedly connected with a push rod 128 , and the end of the push rod 128 away from the sliding piece 127 penetrates through the limiting chute 123 and extends to the outer side of the extended ladder column 121 , and a push handle 129 is fixedly installed.

Preferably, when in use, the push handle 129 is pushed inward, so that the push rod 128 shrinks inwardly, and the sliding plate 127 is displaced, driving the spring 126 to shrink to the inside of the sliding chamber 125, and pulling down the extension ladder post 121 to make the sliding block 124 slides inside the limit chute 123, thereby driving the extension ladder column 121 to extend downwards, so as to achieve the extendable effect of the ladder.

Further, the hinge assembly 3 includes a fixed block 31 and a rotating block 32; the fixed block 31 is fixedly connected to the lower end of the ladder handrail 21, one end of the rotating block 32 is rotatably mounted on the fixed block 31, and the other end of the rotating block 32 is fixedly connected to the fixed ladder frame 11 upper end.

Further, the fixed block 31 is provided with a positioning hole 311 , the rotating block 32 is provided with a rotating hole 321 corresponding to the positioning hole 311 , and the rotating hole 321 is connected to the positioning hole 311 through a bolt.

Further, the surfaces of the first ladder bar 112 and the second ladder bar 122 are provided with anti-slip mats, and the surfaces of the anti-slip mats are provided with anti-slip protrusions. Preferably, the anti-slip mat with anti-slip protrusions improves the frictional force when the ladder is used, and prevents safety accidents caused by slipping during use.

Further, a waist gasket 221 is provided at the bottom of the ladder fixing rod 22 , and fixing holes 222 are symmetrically provided on the waist gasket 221 . Preferably, the waist gasket 221 is connected with the ship deck 4 to improve stability.

The above embodiments are exemplary, and its purpose is to illustrate the technical concept and characteristics of the present utility model, so that those familiar with this field can understand the content of the present utility model and implement it accordingly, and cannot limit the protection of the present utility model. scope. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (8)

1. An extendable marine ladder, which can be detachably installed on the deck of a ship, is characterized in that it includes a ladder (1), a ladder fixing frame (2), and a hinge assembly (3); the ladder fixing frame (2) includes The ladder handrail (21) and the ladder fixing rod (22), the bottom end of the ladder fixing rod (22) is fixedly connected with the ship deck, and the upper end of the ladder fixing rod (22) is connected with the ladder handrail (21); the ladder handrail (21) A ladder (1) is connected to one end relatively away from the ladder fixing rod (22), the ladder handrail (21) and the ladder (1) are connected by a hinge assembly (3), and the ladder handrail (21) is provided with a clip piece (211), the ladder (1) is clamped on the handrail (21) of the ladder (21) through the clip (211); the ladder (1) includes a fixed ladder frame (11) and an extended ladder frame (12), the An extended ladder frame (12) is installed at the lower end of the fixed ladder frame (11), the extended ladder frame (12) is arranged inside the fixed ladder frame (11), and the extended ladder frame (12) slides with the fixed ladder frame (11) connect. 2. An extendable marine ladder according to claim 1, characterized in that: the extension ladder frame (12) includes two extension ladder columns (121) arranged in pairs, and the two extension ladder columns A plurality of second ladder rods (122) are horizontally installed between (121), and a limiting chute (123) is provided on the inner side of the extension ladder frame (12), and a sliding chute (123) is movably connected inside the limiting chute (123). block (124); the fixed ladder frame (11) includes two fixed ladder columns (111) arranged in pairs, and a plurality of first ladder bars (112) are installed horizontally between the two fixed ladder columns (111) ), the inner side of the fixed ladder column (111) is connected with the sliding block (124). 3. An extendable marine ladder according to claim 2, characterized in that: a sliding chamber (125) is opened inside the sliding block (124), and one side inside the sliding chamber (125) is fixed A spring (126) is connected, and the end of the spring (126) away from the inner wall of the sliding chamber (125) is fixedly connected with a sliding piece (127), and the side of the sliding piece (127) away from the spring (126) is fixedly connected with a button A moving rod (128), the end of the pushing rod (128) away from the sliding sheet (127) runs through the limit chute (123) and extends to the outer surface of the extended ladder column (121), and is fixedly installed with a pushing handle ( 129). 4. An extendable marine ladder according to claim 1, characterized in that: the hinge assembly (3) includes a fixed block (31) and a rotating block (32); the fixed block (31) is fixedly connected At the lower end of the ladder handrail (21), one end of the rotating block (32) is rotatably mounted on the fixed block (31), and the other end of the rotating block (32) is fixedly connected to the upper end of the fixed ladder frame (11). 5. An extendable marine ladder according to claim 4, characterized in that: the fixed block (31) is provided with a positioning hole (311), and the rotating block (32) is provided with a positioning hole (311) corresponds to the rotating hole (321), and the rotating hole (321) is connected to the positioning hole (311) through a bolt. 6. An extendable marine ladder according to claim 2, characterized in that: the surfaces of the first ladder bar (112) and the second ladder bar (122) are provided with anti-slip mats, and the surfaces of the anti-slip mats Features non-slip bumps. 7. An extendable marine ladder according to claim 2, characterized in that: the bottom end of the ladder fixing rod (22) is provided with a waist gasket (221), and the waist gasket (221) Fixing holes (222) are arranged symmetrically on the top. 8. An extendable marine ladder according to claim 7, characterized in that: there are two ladder fixing frames (2), the two ladder fixing frames (2) have the same structure, and the two ladder fixing frames (2) have the same structure. The ladder fixing frame (2) is symmetrically installed on the upper ends of the two fixed ladder posts (111).

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