KR101785682B1 - A Safe manhole cover with detachable attachment - Google Patents

Abstract

The present invention improves the use efficiency by easily attaching and detaching to and from the bottom surface of a ship, and more particularly, various hoses and pipes installed from the outside to the inside of the manhole are stably arranged to prevent a burnout accident. A safety manhole cover which is detachably attachable and detachable, comprising a blocking plate provided to prevent entry of rainwater into an upper portion of a manhole; Wherein the blocking means comprises the blocking plate and a fixing bracket fixed to the floor at a distance from one side of the manhole and hinged to the floor at the upper end so that the blocking plate rotatably hinges through the hinge shaft; Further comprising support means having a column fixed to the floor and having a gap therebetween so that the manhole is positioned between the blocking means and the lower end of the blocking plate when the blocking plate is rotated; The supporting means includes a pair of 'rod' shaped supports having a plate having a plate shape fixed to the bottom at the lower end and having vertical lengths and spaced apart from each other, And a 'rod' shaped support rod connecting between the struts and adapted to support the tip of the shield plate at the lower portion when the shield plate is rotated; The hinge shaft and the support bar are provided with a detachable safety manhole cover in which the height of the vertical phase at the bottom is higher than the upper end of the manhole.

Description

[0001] The present invention relates to a safety manhole cover with detachable attachment,

The present invention relates to a manhole cover installed to prevent entry of rainwater into a manhole which is formed during drying of a ship and to prevent a worker from falling into the manhole. More particularly, the present invention relates to a manhole cover, And more particularly, to a safety manhole cover which is freely detachable and attachable with improved workability by preventing various kinds of hoses and pipes installed from the outside to the inside of the manhole by stably arranging them.

In general, a manhole for a ship is a hole that can be used by a worker for welding, communication, painting, and the like, or as a ventilation means for ventilation inside a ship.

These manholes are formed from several tens to several hundred decks depending on the size of the ship.

In particular, the manhole at the top of the deck of the ship is open to the worker during repair and drying of the ship until the work is completed for fresh air input, welding and discharge of various harmful gases, and pedestrians and workers A safety guide in the state of wrapping around the manhole is installed so as not to fall down.

On the other hand, when the manhole is opened for raising the manhole, the rainwater flows into the inside of the manhole, thereby damaging the inside of the manhole, or there is a risk of a safety accident such as sliding accident when the worker goes in and out.

As a result, a tent or a rainwater blocking fence is installed to cut off rainwater around the manhole for manholes when raining.

In Korean Utility Model Application No. 20-2011-0005434 (name: handrail for ships / June 11, 2011), a circular or elliptical opening is formed as known in the art, and a plurality of A hand rail is provided in a manhole having a hole formed therein and has one or more engaging portions corresponding to any one of the plurality of holes, and the engaging portion is fastened to the hole with bolts and nuts.

In addition, as disclosed in Korean Utility Model No. 20-2014-0004429 (name: Manhole cover device for ships / June 14, 2010), a plate corresponding to a manhole of the ship so as to cover a manhole of the ship, And a magnet member mounted on a lower portion of the cover plate for fixing the cover plate to a body of a vessel having a manhole.

On the other hand, in Korean Patent Application No. 10-2014-0032181 (entitled "Compressed rainwater inflow preventing cover / 2014.03.19."), As known in the art, a pair of A handle rotatably coupled to the pair of engaging nuts; a handle coupled to an end of the handle disposed on an opposite surface of the handle, A pair of fixing bars that are raised and lowered toward the plate according to a direction of the plate, and a packing material provided along an edge of the plate on a lower surface thereof.

In addition, as disclosed in Korean Patent Application No. 10-2014-0122632 (entitled " Manhole Rainwater Blocking Device / 2014.09.16. &Quot;), rainwater is prevented from flowing into the inside of a manhole, And a cover which is installed at a lower portion of the fixing portion and which adheres the fixing portion to the floor surface, and a cover which is installed on the upper portion of the fixing portion, A rainwater shielding device is disclosed.

1, Korean Utility Model Application No. 20-2011-0005434 (June 17, 2011) 2, Korean Utility Model Application No. 20-2014-0004429 (Apr. 3, Korean Patent Application No. 10-2014-0032181 (Apr. 19, 2014). 4, Korean Patent Application No. 10-2014-0122632 (Apr.

However, the conventional manhole covers as described above have a problem in that the structure is complicated and the installation efficiency is low due to difficulty in installation.

In addition, there is a problem that the aesthetics of the installed state are not beautiful and they are not spatially arranged.

In addition, there is an unstable problem that a disconnection accident occurs as various hoses and pipes installed inside from the outside of the manhole are sandwiched and pressed between the manhole and the cover.

The present invention has been made in order to solve the above-mentioned problems of the related art, and an object of the present invention is to provide a watercraft which can be easily detached and attached to a bottom surface of a ship, And a plurality of hoses and pipes disposed stably so as to prevent a single-wire accident, thereby providing a safety-detachable safety manhole cover with improved workability.

In order to accomplish the above object, according to the present invention, there is provided a safety manhole cover which is detachable and attachable to and detachable from a vehicle, the safety manhole cover including a shielding plate provided on a manhole for preventing inflow of rainwater, A cover; Wherein the blocking means comprises the blocking plate and a fixing bracket fixed to the floor at a distance from one side of the manhole and hinged to the floor at the upper end so that the blocking plate rotatably hinges through the hinge shaft; Further comprising support means having a column fixed to the floor and having a gap therebetween so that the manhole is positioned between the blocking means and the lower end of the blocking plate when the blocking plate is rotated; The supporting means includes a pair of 'rod' shaped supports having a plate having a plate shape fixed to the bottom at the lower end and having vertical lengths and spaced apart from each other, And a 'rod' shaped support rod connecting between the struts and adapted to support the tip of the shield plate at the lower portion when the shield plate is rotated; And the hinge shaft and the support bar are arranged at a height higher than the upper end of the manhole in a vertical plane at the bottom.

In the support means, an extension portion to which both ends of a guide rod disposed at an upper portion of the support bar are coupled is formed in the support posts.

According to the present invention, the safety manhole cover having detachable attachment and detachment according to the present invention is provided with supporting means and blocking means at both sides of the manhole, and when necessary, the blocking plate is rotated to block the upper part of the manhole, , Air is introduced into the space between the blocking plate and the manhole, and various hoses and wiring are installed stably, so that disconnection does not occur.

In addition, when the blocking plate is rotated in the reverse direction, the manhole is kept open, thereby securing the moving path stably. Through the guide rod and the extension portion of the supporting means, the worker can be prevented from entering the manhole by unauthorized entry, It has an effect.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic perspective view showing a safety manhole cover which is detachable and attachable according to an embodiment of the present invention; FIG.
Fig. 2 and Fig. 3 are schematic cross-sectional exemplary views showing a safety manhole cover detachable and attachable according to the present embodiment. Fig.
Fig. 4 is a schematic plan view showing a safety manhole cover freely detachable and attachable according to the embodiment. Fig.
5 and 6 are schematic views showing a safety manhole cover detachable and attachable according to another embodiment of the present invention.
Figs. 7 to 9 are schematic views showing another example of a blocking means constituting a safety manhole cover which is detachable and attachable according to the present embodiment. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a safety manhole cover according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 4 are views showing a safety manhole cover which is detachable and attachable according to an embodiment of the present invention. The safety manhole cover 1, which is detachable and attachable according to the present embodiment, And blocking means (2) provided with a blocking plate (21) installed to prevent inflow of rainwater into the upper part of the formed manhole (100).

That is, the upper portion of the manhole 100 is blocked through the blocking plate 21 to prevent rainwater from inflowing unauthorizedly.

In the safety manhole cover 1 according to the present embodiment, the shielding means 2 includes a shield plate 21 in the form of a plate and a shield plate 21 on one side of the manhole 100 And a fixing plate 22 having a plate shape fixed to the floor at a lower end thereof with an interval therebetween and fixed to the floor and having a hinge shaft 23 via a fixing bracket 24 which is hinged.

That is, the shield plate 21 is hingedly coupled to the fixed bracket 24, which is fixed to the bottom (surface) of the ship 10 with a vertical length, Thereby blocking the upper portion of the manhole 100 to prevent the inflow of the rainwater or releasing the rainwater, thereby forming the moving path of the operator.

The safety manhole cover 1 with detachable attachment and detachment according to the embodiment has a support 31 fixed to the floor with a space therebetween so that the manhole 100 is positioned between the safety manhole cover 1 and the blocking means 2 And support means (3) for supporting the tip end of the blocking plate (21) at the bottom when the blocking plate (21) is rotated.

That is, by supporting the tip end of the blocking plate 21 through the supporting means 3, excessive rotation of the blocking plate 21 is prevented.

The supporting means 3 is provided with a pair of 'sticks' each having a vertically long and spaced-apart fixing plate 32 having a plate shape fixed to the floor at the lower end thereof, Shaped support rods 31 which are connected to the support pillars 31 and support the lower end of the blocking plate 21 when the blocking plate 21 is rotated 33).

The fastening plate 22 and the fixing plate 32 are preferably fixed to the bottom of the ship 100 through bolts 4; As a result, the bottom of the vessel 10 can be freely attached and detached, improving the use efficiency.

In the safety manhole cover 1 according to the present embodiment, the hinge shaft 23 and the support bar 33 are disposed at positions higher than the top of the manhole 10 do.

Accordingly, a space for stably installing various hoses and wires as well as inflow of air into the space between the blocking plate 21 and the manhole 100 is ensured, so that disconnection and interruption of air do not occur, And perform the operation.

The safety manhole cover 1 with detachable attachment according to the embodiment described above is characterized in that in the support means 3 described above the support rods 31 are provided with guide rods 34 ) Extending in the upper direction.

Accordingly, the worker can be prevented from entering the manhole (100) unauthorizedly through the guide rod (34) and the extension portion (35), thereby preventing a fall accident.

The operation and effect of the safety manhole cover 1 which is detachable and attachable according to the embodiment as described above will be described in detail as follows.

The safety manhole cover 1 according to the present embodiment is a detachable safety manhole cover 1 in which the supporting means 3 and the shielding means 2 are detachably attached to both sides of the manhole 100 in the ship 10 through the bolts 4 .

At this time, the distance between the blocking means 2 and the supporting means 3 is set such that, when the blocking plate 21 is rotated with the manhole 100 positioned inside, It is preferable that the bottom surface is formed at an interval enough for the support rod 33 to support.

When the supporting means 3 and the blocking means 2 are fixed to the vessel 10 as described above, the blocking plate 21 is rotated around the hinge shaft 23, Thereby preventing the inflow of rainwater.

At this time, air is introduced into the space between the blocking plate 21 and the manhole 100, and various hoses and wiring necessary for the operation are installed without disconnection.

If the blocking plate 21 is rotated in the reverse direction as needed, the manhole 100 is maintained in the open state, thereby securing the worker's moving path.

At this time, the worker can be prevented from entering the manhole (10) unauthorizedly through the guide rod (34) and the extension part (35).

5 and 6 are views showing a safety manhole cover which is freely detachable and attachable according to another embodiment of the present invention. In the safety manhole cover 1 which is detachable and attachable according to the present embodiment, The blocking plates 21 are each provided with fastening rings 6 to which both ends of the blocking line 5 blocking the unauthorized entry of the manhole 100 from the outside to the inside are fastened.

That is, when the manhole 100 is opened by opening the blocking plate 21, the worker enters the gap between the blocking means 2 and the supporting means 3 through the blocking line 5 without permission .

It is preferable that the cutoff line 5 is selected and applied by a user in a line, a band, a wire, a chain, or the like.

7 to 9, the securing bracket 24 of the shielding means 2 is attached to the hinge shaft 23 in the safety manhole cover 1 with detachable attachment and detachment according to the present embodiment, And a shaft hole (25) formed to be axially coupled therethrough; On the bottom surface of the shaft hole (25), an elongated groove (26) extending in the downward direction is formed; The hinge shaft (23) has a rectangular cross-sectional shape; The diameter of the long side is the same as the inner diameter of the shaft hole 25 and the short side has a smaller diameter than the width of the long groove 26. When the shield plate 21 stands upright, It is preferable that the hinge shaft 23 is rotatable within the shaft hole 25 when the shield plate 23 is engaged with the groove 26 and the shield plate 21 is rotated horizontally.

7 and 8, side walls to which the hinge shaft 23 is fixed are provided on both sides of the fixing bracket 24, respectively, as shown in FIGS. 7 and 8, A hinge bracket 27 having a top end portion of the fixing bracket 24 and a cross-sectional shape is formed at the lower end of the blocking plate 21 when the blocking plate 21 rotates. .

The hinge shaft 23 is inserted into the elongated groove 26 and a part of the upper end of the fixing bracket 24 is accommodated in the hinge bracket 27 when the blocking plate 21 stands up, So that the upright state of the blocking plate 21 is firmly maintained.

Accordingly, the blocking plate 21 blocks the entrance of the operator into the manhole 100 when the operator moves, and prevents unauthorized rotation to the upper portion of the manhole 100, thereby safely performing the operation.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: Manhole cover 10: Ship
100: Manhole
2: blocking means 21: blocking plate
22: fastening plate 23: hinge shaft
24: fixed bracket 25:
26: groove 27: hinge bracket
3: supporting means 31: holding
32: fixing plate 33: supporting bar
34: guide rod 35: extension part
4: Bolt 5: Cutoff line
6: Fastening ring

Claims (2)

A blocking plate 21 installed on the upper surface of the manhole 100 to prevent rainwater from flowing into the upper portion of the manhole 100 and a blocking plate 21 fixed to the floor with a space therebetween at one side of the manhole 100, Blocking means (2) having a fixing bracket (24) hinged to the hinge shaft (23), possibly; A pair of 'rod-shaped' pillars 31 each having a vertically long spacing and spaced apart from each other and having a plate 32 fixed to the floor at the bottom, (3) having a rod-shaped support rod (33) connecting between the pillars (31) and adapted to support the tip of the blocking plate (21) at the bottom when the blocking plate (21) ; ≪ / RTI > The hinge shaft 23 and the support bar 33 are disposed at a position higher than the upper end of the manhole 100 in the vertical direction at the bottom; A safety manhole cover (1) having an extension (35) to which both ends of a guide rod (34) disposed at an upper portion of the support bar (33) ;
In the extension part (35) and the blocking plate (21)
(6) for fastening both ends of the shield wire (5) blocking the unauthorized entry of the manhole (100) from the outside to the inside, respectively;
The fixing bracket (24)
An elongated groove (26) extending in a downward direction is formed on the bottom surface and a shaft hole (25) is formed through which the hinge shaft (23) penetrates and is axially coupled;
The hinge shaft (23)
The diameter of the long side is the same as the inner diameter of the shaft hole 25, the short side has a diameter smaller than the width of the groove 26, and the cross-sectional shape is a rectangular shape;
The fixing bracket (24)
The cross-sectional shape is a 'square shape'tube;
A hinge shaft 23 is fixed to both sides of the hinge shaft 23 and a hinge shaft 23 is fixed to the hinge shaft 21. The hinge shaft 23 is fixed to the hinge shaft 21 by a hinge And a bracket (27) is provided at the lower end of the blocking plate (21). delete

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