CN214325308U

CN214325308U - Deep cabin manhole guardrail

Info

Publication number: CN214325308U
Application number: CN202022759006.0U
Authority: CN
Inventors: 孙宏日; 王蕾; 刘庆晖; 王嘉然; 邓俊毅
Original assignee: TIANJIN XINGANG SHIPBUILDING HEAVY INDUSTRY CO LTD
Current assignee: TIANJIN XINGANG SHIPBUILDING HEAVY INDUSTRY CO LTD
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-10-01
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a deep-cabin manhole guardrail, which comprises a bottom plate, a guardrail, a railing post and a detachable small ship chain, wherein the bottom plate, the guardrail, the railing post and the detachable small ship chain are symmetrically connected with the two sides of a manhole; the opening of the horizontal U-shaped pipe is provided with a detachable marine small chain enclosure or disconnection. The utility model has the advantages that: simple structure, simple installation, low cost and high safety.

Description

Deep cabin manhole guardrail

Technical Field

The utility model belongs to the technical field of machine-building and installation, especially, relate to a deep cabin manhole guardrail.

Background

The manhole ring is commonly found in ships and other places with the requirement on tightness, and the manhole seat ring surrounds a circle along the circumferential direction of a manhole inlet and is used for fixing a manhole cover. When the manhole cover is removed, the manhole needs to be used for a long time, and a manhole guardrail needs to be added at the manhole.

Currently, commonly used manhole guardrails are single-foot type and double-foot type manhole guardrails. The single-foot manhole guardrail adopts one supporting leg to be fixed on the manhole seat ring, and although the manufacturing and the installation are simple, the supporting leg bears bending moment, so the single-foot manhole guardrail is easy to incline in use; the two-leg manhole guardrail adopts two landing legs to be symmetrically fixed on the manhole seat ring, and although the landing legs are evenly stressed, the guardrail can not bear vertical load and can not provide protection for people who get in and out.

Disclosure of Invention

The utility model aims to solve the technical problem that manhole guardrail structure is unstable, intensity is low. The manhole guardrail is simple to manufacture, stable in structure, high in strength and convenient to disassemble.

The utility model provides a deep-cabin manhole guardrail, which comprises a bottom plate, a guardrail, a railing post and a detachable small ship chain, wherein the bottom plate, the guardrail, the railing post and the detachable small ship chain are symmetrically connected with the two sides of a manhole; the opening of the horizontal U-shaped pipe is provided with a detachable marine small chain enclosure or disconnection.

And a railing post is arranged between the corresponding two sides of the horizontal U-shaped pipe and the bottom plate for supporting.

The railing post is connected with the bottom plate in a welding mode.

The manhole is connected with the bottom plate through bolts.

One end of the marine small chain is welded with one end of the guardrail to form a whole, and the other end of the marine small chain is provided with a hook which is buckled with the U-shaped pipe clamp on the guardrail at the corresponding end.

The guardrail is made of a round steel pipe in a bending mode.

The utility model has the advantages that:

1. the structure is simple: the guardrail, the railing post, the bottom plate, the small safety chain, the hook and the U-shaped pipe clamp are simple in component; the guardrail is integrally made of bent pipes, so that the welding amount is reduced. The bottom plate is fixed with the manhole ring base through bolts, so that the mounting and the dismounting can be fast, and the labor amount is reduced.

2. Safety: the guardrail stable in structure, intensity are high. The bearable moment is large. The entry is locked with safe small chain after personnel pass in and out, and it is high to prevent the unexpected security of falling.

3. The manufacturing cost is low: the materials are all common materials and have no special materials.

Drawings

FIG. 1 is a schematic front view of a manhole guard bar structure of a deep tank of the present invention;

FIG. 2 is a schematic side view of FIG. 1;

fig. 3 is a schematic top view of fig. 1.

Wherein:

1-guardrail 2-bottom plate 3-railing post

4-U-shaped pipe clamp 5-marine small chain 6-hook

Detailed Description

The invention will be described in further detail with reference to the following drawings and embodiments:

as shown in fig. 1 to 3, the manhole guard bar for the deep cabin comprises a guard bar 1, a bottom plate 2, a guard bar column 3, a U-shaped pipe clamp 4, a marine small chain 5 and a hook 6, wherein the guard bar is installed on a manhole seat ring, the bottom plate 2 is arranged on two sides of the manhole seat ring, the guard bar 1 is fixed with the bottom plate 2, the guard bar 2 is made by bending a whole pipe, one end of the guard bar is a horizontal U-shaped pipe, two open ends of the other end of the guard bar are respectively bent downwards, and the guard bar column 3 is arranged between the horizontal U-shaped pipe and a ground bottom plate for supporting; one end of the U-shaped pipe clamp 4 is fixed with the guardrail 1, and the other end is fixed with the hook 6.

The workpiece mounting steps are as follows:

step one, fixing the bottom plate and the manhole ring bottom plate through nuts.

And step two, connecting the small chain with the barrier through the hook.

Claims

1. The utility model provides a deep compartment manhole guardrail which characterized by: the manhole cover comprises a base plate (2) symmetrically connected with two sides of a manhole, a guardrail (1), a railing post (3) and a detachable small chain (5) for a ship, wherein the guardrail (1) is a horizontal U-shaped pipe, two ends of an opening of the guardrail are respectively bent downwards, and the bent ends are welded and fixed with the base plate (2); the opening of the horizontal U-shaped pipe is provided with a detachable small chain (5) for a ship to block or break.

2. The deep compartment manhole guard of claim 1, wherein: and a railing post (3) is arranged between the corresponding two sides of the horizontal U-shaped pipe and the bottom plate (2) for supporting.

3. The deep compartment manhole guard of claim 2, wherein: the railing post (3) is connected with the bottom plate (2) in a welding mode.

4. The deep compartment manhole guard of claim 1, wherein: the manhole is connected with the bottom plate (2) through bolts.

5. The deep compartment manhole guard of claim 1, wherein: one end of the marine small chain is welded with one end of the guardrail (1) to form a whole, and the other end of the marine small chain is provided with a hook (6) which is buckled with a U-shaped pipe clamp on the guardrail (1) at the corresponding end.

6. The deep compartment manhole guard of claim 1, wherein: the guardrail (1) is made of a round steel pipe in a bending mode.