CN217945455U

CN217945455U - Extensible marine ladder stand

Info

Publication number: CN217945455U
Application number: CN202221857162.3U
Authority: CN
Inventors: 李金友
Original assignee: Xuzhou Shanghuang Ship Parts Co ltd
Current assignee: Xuzhou Shanghuang Ship Parts Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-02
Anticipated expiration: 2032-07-19

Abstract

An extensible marine ladder stand is detachably mounted on a deck of a ship and comprises a ladder stand, a ladder stand fixing frame and a hinge assembly; the crawling ladder fixing frame comprises a crawling ladder handrail and a crawling ladder fixing rod, a ship deck is fixedly connected to the bottom end of the crawling ladder fixing rod, and the crawling ladder handrail is connected to the upper end of the crawling ladder fixing rod; the end, far away from the ladder stand fixing rod, of the ladder stand handrail is connected with a ladder stand, the ladder stand handrail is connected with the ladder stand through a hinge assembly, a clamping piece is arranged on the ladder stand handrail, and the ladder stand is clamped on the ladder stand handrail through the clamping piece; the cat ladder is including fixed ladder frame and extension ladder frame, and fixed ladder frame lower extreme is installed and is extended ladder frame, and extension ladder frame sets up at fixed ladder frame inboard, extends ladder frame and fixed ladder frame sliding connection. This marine cat ladder extends ladder frame and fixed ladder frame sliding connection through the design, realizes the extensible performance of marine cat ladder, establishes the cat ladder card on the cat ladder handrail through the design fastener, this kind of cat ladder simple structure, and convenient to use can make cat ladder downwardly extending, conveniently sums up.

Description

Extensible marine ladder stand

Technical Field

The utility model relates to a marine equipment technical field, concretely relates to extensible marine cat ladder.

Background

Generally, boats and ships all are equipped with the baffle, and generally need all rely on the cat ladder to reciprocate between the two layers of being separated by, and its application range can be influenced to the height of cat ladder, therefore general cat ladder all is the cat ladder that has certain height, but its space range is limited on boats and ships, and the cat ladder is higher a large section and can influence the crew to walk or carry out other activities. And if the ladder stand needs to be placed aside, the space range of the ship is limited, and the ladder stand cannot be placed in enough space.

The patent application numbers are: CN201320610289.X Chinese utility model discloses a marine cat ladder, be the ladder roof beam of mouth-shaped and fix the foot bar between the ladder roof beam including the cross-section, the upper surface of foot bar is equipped with anti-skidding recess, be equipped with two through-holes about the foot bar central line symmetry in the recess at least.

The above prior art solutions have the following drawbacks: in the installation of marine cat ladder, can be because of boats and ships space range is limited, not enough space places and sums up the cat ladder, and above-mentioned technical scheme's marine cat ladder is inextensible, and is not convenient for sum up and place.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an extensible marine cat ladder, this kind of cat ladder extensible when using is convenient for conclude its shrink when not using and place.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an extensible marine ladder stand is detachably mounted on a deck of a ship and comprises a ladder stand, a ladder stand fixing frame and a hinge assembly; the crawling ladder fixing frame comprises a crawling ladder handrail and a crawling ladder fixing rod, a ship deck is fixedly connected to the bottom end of the crawling ladder fixing rod, and the crawling ladder handrail is connected to the upper end of the crawling ladder fixing rod; the end, far away from the ladder stand fixing rod, of the ladder stand handrail is connected with a ladder stand, the ladder stand handrail and the ladder stand are connected through a hinge assembly, a clamping piece is arranged on the ladder stand handrail, and the ladder stand is clamped on the ladder stand handrail through the clamping piece; the cat ladder is including fixed ladder frame and extension ladder frame, and fixed ladder frame lower extreme is installed and is extended ladder frame, and extension ladder frame sets up at fixed ladder frame inboard, extends ladder frame and fixed ladder frame sliding connection.

A when extensible marine cat ladder used, take off the cat ladder from the fastener, the cat ladder passes through the hinge subassembly and overturns downwards, will extend the ladder frame and from fixed ladder frame inboard downwardly extending, make the staff be convenient for scramble. This marine cat ladder extends ladder frame and fixed ladder frame sliding connection through the design, realizes the extensible performance of marine cat ladder, establishes the cat ladder card on the cat ladder handrail through the design fastener, this kind of cat ladder simple structure, and convenient to use can make cat ladder downwardly extending, conveniently sums up.

Furthermore, the extension ladder frame comprises two extension ladder posts which are arranged in pairs, a plurality of second ladder rods are horizontally arranged between the two extension ladder posts, a limiting sliding groove is formed in the inner side of the extension ladder frame, and a sliding block is movably connected in the limiting sliding groove; fixed ladder frame has a plurality of first ladder poles including two fixed ladder posts that set up in pairs, horizontal installation between two fixed ladder posts, and fixed ladder post medial surface is connected with the sliding block. Through setting up the sliding block at the inside swing joint of spacing spout, the sliding block drives and extends ladder post lapse, realizes extending ladder post's downwardly extending effect.

Furthermore, the sliding chamber has been seted up to the inside of sliding block, and the inside side fixedly connected with spring of sliding chamber, the one end fixedly connected with slide of sliding chamber inner wall is kept away from to the spring, and the side fixedly connected with of spring is kept away from to the slide presses the pole, presses the pole to keep away from slide one end and runs through spacing spout and extend to the lateral surface that extends the ladder post, and fixed mounting presses the handle. Inwards press through pressing the handle, press the pole and inwards contract, pull again and extend the ladder post, the sliding block slides in the inside of spacing spout for the sliding block lapse drives and extends ladder post downwardly extending, improves the extensible effect of cat ladder.

Further, the hinge assembly comprises a fixed block and a rotating block; fixed block fixed connection is under the cat ladder handrail, and turning block one end is rotated and is installed on the fixed block, and turning block other end fixed connection is in fixed ladder frame upper end. Through being equipped with the hinge subassembly, realize the reversible function of using of fixed ladder frame.

Furthermore, a positioning hole is formed in the fixing block, a rotating hole corresponding to the positioning hole is formed in the rotating block, and the rotating hole is connected with the positioning hole through a bolt. Through rotating between hole and the locating hole latch connection for fixed ladder frame is rotatory for the cat ladder handrail relatively, conveniently sums up the use.

Furthermore, the surfaces of the first ladder rod and the second ladder rod are respectively provided with an anti-slip pad, and the surface of the anti-slip pad is provided with an anti-slip bulge. Through setting up the skid resistant pad of taking the antiskid arch, frictional force when improving the use skids when preventing to lead to the incident when using.

Furthermore, waist-shaped gaskets are arranged at the bottom ends of the ladder stand fixing rods, and fixing holes are symmetrically formed in the waist-shaped gaskets. Through being provided with the waist type gasket of taking the fixed orifices, improve cat ladder dead lever and hull connection's stability, make things convenient for the installation and the dismantlement of cat ladder.

Further, the cat ladder mount is equipped with two, and two cat ladder mount structures are the same, and two cat ladder mount symmetries are installed in two fixed ladder posts upper end.

The utility model has the advantages that:

1. a when extensible marine cat ladder used, take off the cat ladder from the fastener, the cat ladder passes through the hinge subassembly and overturns downwards, will extend the ladder frame and from fixed ladder frame inboard downwardly extending, make the staff be convenient for scramble. This marine cat ladder extends ladder frame and fixed ladder frame sliding connection through the design, realizes the extensible performance of marine cat ladder, establishes the cat ladder card on the cat ladder handrail through the design fastener, this kind of cat ladder simple structure, and convenient to use can make cat ladder downwardly extending, conveniently sums up.

2. And simultaneously, the utility model provides a pair of marine cat ladder of extensible through setting up the sliding block at the inside swing joint of spacing spout, the sliding block drives and extends ladder post lapse, realizes extending the downwardly extending effect of ladder post.

3. And simultaneously, the utility model provides a pair of marine cat ladder of extensible inwards presses through pressing the handle, presses the pole and inwards contracts, pulls the extension ladder post again, and the sliding block slides in the inside of spacing spout for the sliding block lapse drives the extension ladder post downwardly extending, improves the extensible effect of cat ladder.

4. And simultaneously, the utility model provides a pair of extensible marine cat ladder through being equipped with the hinge subassembly, realizes the service function that can overturn of fixed ladder frame.

Drawings

Fig. 1 is a schematic structural diagram of an extendable ladder stand for a ship according to embodiment 1;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is an extension schematic view of the extendable ladder stand for the ship according to the embodiment 1;

fig. 4 is a schematic structural view of the hinge assembly according to embodiment 1;

fig. 5 is a schematic perspective view of the ladder stand fixing frame in this embodiment 1;

fig. 6 is a schematic perspective view of the ladder stand in this embodiment 1;

in the figure: the ladder stand comprises a ladder stand 1, a fixed ladder frame 11, a fixed ladder post 111, a first ladder rod 112, an extended ladder frame 12, an extended ladder post 121, a second ladder rod 122, a limit sliding groove 123, a sliding block 124, a sliding chamber 125, a spring 126, a sliding sheet 127, a pressing rod 128, a pressing handle 129, a ladder stand fixing frame 2, a ladder stand handrail 21, a clamping piece 211, a ladder stand fixing rod 22, a waist-shaped gasket 221, a fixing hole 222, a hinge assembly 3, a fixing block 31, a positioning hole 311, a rotating block 32, a rotating hole 321 and a ship deck 4.

Detailed Description

The present invention is further illustrated by the following examples, which are intended to illustrate the technical solutions of the present invention more clearly and are not to be construed as a limitation.

Unless defined otherwise, technical or scientific terms used herein should be understood as having the ordinary meaning as understood by those of ordinary skill in the art. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example 1

As shown in fig. 1 to 6, an extensible marine ladder stand is provided, which is detachably arranged on a deck 4 of a ship and comprises a ladder stand 1, a ladder stand fixing frame 2 and a hinge assembly 3; the crawling ladder fixing frame 2 comprises a crawling ladder handrail 21 and a crawling ladder fixing rod 22, the bottom end of the crawling ladder fixing rod 22 is fixedly connected with a ship deck 4, and the upper end of the crawling ladder fixing rod 22 is connected with the crawling ladder handrail 21; one end of the ladder stand handrail 21, which is relatively far away from the ladder stand fixing rod 22, is connected with a ladder stand 1, the ladder stand handrail 21 and the ladder stand 1 are connected through a hinge assembly 3, a clamping piece 211 is arranged on the ladder stand handrail 21, and the ladder stand 1 is clamped on the ladder stand handrail 21 through the clamping piece 211; cat ladder 1 is including fixed ladder frame 11 and extension ladder frame 12, and fixed ladder frame 11 lower extreme is installed and is extended ladder frame 12, and extension ladder frame 12 sets up in fixed ladder frame 11 inboardly, extends ladder frame 12 and fixed ladder frame 11 sliding connection. Specifically, the cat ladder mount 2 is equipped with two, and two cat ladder mounts 2 structures are the same.

Preferably, when the extensible marine ladder stand is not in use, the ladder stand 1 can be turned upwards through the hinge assembly 3, the ladder stand 1 is clamped on the ladder stand handrail 21 through the clamping piece 211, and the extensible ladder frame 12 is contracted to be placed in a biased manner. When the ladder stand is used, the ladder stand 1 is taken down from the clamping piece 211, the ladder stand 1 is turned downwards through the hinge assembly 3, the extension ladder frame 12 extends downwards from the inner side of the fixed ladder frame 11, so that workers can conveniently climb, and the extensible use function of the ladder stand is realized.

Further, the extension ladder frame 12 comprises two extension ladder posts 121 arranged in pairs, a plurality of second ladder bars 122 are horizontally installed between the two extension ladder posts 121, a limiting sliding groove 123 is formed in the inner side of the extension ladder frame 12, and a sliding block 124 is movably connected inside the limiting sliding groove 123; the fixed ladder frame 11 comprises two fixed ladder posts 111 arranged in pairs, a plurality of first ladder bars 112 are horizontally arranged between the two fixed ladder posts 111, and the inner side surfaces of the fixed ladder posts 111 are connected with sliding blocks 124.

Furthermore, a sliding chamber 125 is formed inside the sliding block 124, a spring 126 is fixedly connected to one side surface inside the sliding chamber 125, a sliding piece 127 is fixedly connected to one end, away from the inner wall of the sliding chamber 125, of the spring 126, a pressing rod 128 is fixedly connected to one side surface, away from the spring 126, of the sliding piece 127, one end, away from the sliding piece 127, of the pressing rod 128 penetrates through the limiting sliding groove 123 and extends to the outer side surface of the extending ladder post 121, and a pressing handle 129 is fixedly mounted on the pressing rod.

Preferably, when the ladder is used, the pressing handle 129 is pressed inwards, so that the pressing rod 128 contracts inwards, the sliding piece 127 is displaced, the spring 126 is driven to contract towards the inside of the sliding chamber 125, the extension ladder post 121 is pulled downwards, the sliding block 124 slides in the limiting sliding groove 123, and the extension ladder post 121 is driven to extend downwards, so that the ladder can be extended.

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 part of the ladder handrail 21, one end of the rotating block 32 is rotatably installed on the fixed block 31, and the other end of the rotating block 32 is fixedly connected to the upper end part of the fixed ladder frame 11.

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

Further, the surfaces of the first ladder bar 112 and the second ladder bar 122 are both provided with anti-slip pads, and the surfaces of the anti-slip pads are provided with anti-slip protrusions. Preferably, the non-slip mat with the non-slip protrusions improves friction force when the ladder stand is used, and safety accidents caused by slipping when the ladder stand is used are prevented.

Furthermore, a waist-shaped pad 221 is disposed at the bottom end of the ladder fixing rod 22, and fixing holes 222 are symmetrically disposed on the waist-shaped pad 221. Preferably, the kidney washer 221 is connected to the vessel deck 4 for improved stability.

The above embodiments are exemplary and are intended to illustrate the technical concept and features of the present invention so that those skilled in the art can understand the contents of the present invention and implement the present invention, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an extensible marine cat ladder, demountable installation on boats and ships deck which characterized in that: comprises a ladder (1), a ladder fixing frame (2) and a hinge assembly (3); the ladder stand fixing frame (2) comprises a ladder stand handrail (21) and a ladder stand fixing rod (22), a ship deck is fixedly connected to the bottom end of the ladder stand fixing rod (22), and the ladder stand handrail (21) is connected to the upper end of the ladder stand fixing rod (22); one end, far away from the ladder climbing fixing rod (22), of the ladder climbing handrail (21) is connected with a ladder climbing (1), the ladder climbing handrail (21) is connected with the ladder climbing (1) through a hinge assembly (3), a clamping piece (211) is arranged on the ladder climbing handrail (21), and the ladder climbing (1) is clamped on the ladder climbing handrail (21) through the clamping piece (211); ladder stand (1) is including fixed ladder frame (11) and extension ladder frame (12), fixed ladder frame (11) lower extreme is installed and is extended ladder frame (12), it sets up at fixed ladder frame (11) inboard to extend ladder frame (12), extend ladder frame (12) and fixed ladder frame (11) sliding connection.

2. An extendable marine ladder as claimed in claim 1, wherein: the extension ladder frame (12) comprises two extension ladder posts (121) which are arranged in pairs, a plurality of second ladder rods (122) are horizontally arranged between the two extension ladder posts (121), a limiting sliding groove (123) is formed in the inner side of the extension ladder frame (12), and a sliding block (124) is movably connected in the limiting sliding groove (123); fixed ladder frame (11) are including two fixed ladder posts (111) that set up in pairs, two horizontal installation has a plurality of first ladder poles (112) between fixed ladder post (111), fixed ladder post (111) medial surface is connected with sliding block (124).

3. An extendable marine ladder as claimed in claim 2, wherein: slide chamber (125) have been seted up to the inside of sliding block (124), a side fixedly connected with spring (126) of slide chamber (125) inside, one end fixedly connected with slide (127) of slide chamber (125) inner wall is kept away from in spring (126), a side fixedly connected with who keeps away from spring (126) in slide (127) pushes away pole (128), it runs through spacing spout (123) and extends to the lateral surface that extends ladder post (121) to push away from slide (127) one end in pole (128), and fixed mounting has and presses handle (129).

4. An extendable marine ladder as claimed in claim 1, wherein: the hinge assembly (3) comprises a fixed block (31) and a rotating block (32); the fixed block (31) is fixedly connected to the lower end of the ladder stand handrail (21), one end of the rotating block (32) is rotatably installed 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 as claimed in claim 4, wherein: the positioning 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 with the positioning hole (311) through a bolt.

6. An extendable marine ladder as claimed in claim 2, wherein: the surfaces of the first ladder rod (112) and the second ladder rod (122) are both provided with anti-skid pads, and anti-skid protrusions are arranged on the surfaces of the anti-skid pads.

7. An extendable marine ladder as claimed in claim 2, wherein: waist-shaped gaskets (221) are arranged at the bottom ends of the ladder climbing fixing rods (22), and fixing holes (222) are symmetrically formed in the waist-shaped gaskets (221).

8. An extendable marine ladder as claimed in claim 7, wherein: the ladder stand fixing frame (2) is provided with two ladder stand fixing frames (2) which are identical in structure and are symmetrically arranged at the upper ends of the two fixed ladder columns (111).