KR101716277B1 - Folding sliding cover of the tunnel common duct is easy to maintain - Google Patents

Abstract

The present invention relates to a foldable sliding cover of a tunnel common duct which can be easily maintained, and more particularly, since a cover is folded in a slidable manner and being fixed, the present invention can relatively reduce working time, and the present invention provides a plurality of sliding reinforcement bars to sufficiently cover load transmitted from the cover, and can easily inform an inner operation situation of an inspection device of the tunnel common duct through a notification text unit on both surfaces of the cover to the outside, thereby improving working efficiency.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding sliding cover for a tunnel,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a folding type sliding cover of a tunnel joint which can be easily maintained, and more particularly, to a folding type sliding door cover which is easily folded and folded in a sliding manner so as to relatively shorten a working time, Even if the thickness of the lid is small, it is possible to sufficiently cope with the load transmitted from the lid, and it is possible to easily inform the outside of the situation of the inside of the check hole of the tunnel joint by the notification letter on both sides of the lid, And more particularly to a folding type sliding cover of a tunnel joint which is easy to maintain.

Generally, at the edge of the tunnel, there is a joint that is constructed so that it is slightly higher than the road surface. In such a joint, the facilities necessary for the maintenance of the tunnel and roads such as the cable protection pipe, fire hydrant, drain pipe, conduit, Thereby facilitating the preservation of tunnels and traffic communication.

In other words, in the tunnel, there are electric facilities such as lighting inside the tunnel, ventilation facilities, surveillance facilities, drainage facilities for drainage of excellent or ground water flowing into the tunnel, communication facilities for transmitting various information, And various facilities are installed. In order to manage them efficiently and to use them smoothly, a common area is installed. If you do not have such a space and install it separately, if there is a problem with each facility, you will have trouble with traffic when you block and excavate the tunnel. If you install a space, So that efficient maintenance of the tunnel is possible, and at the same time, the traffic can be prevented from being disturbed.

Therefore, the tunnel hole is formed of a hollow body having a space formed therein and an inspection hole formed at an upper portion thereof, and a cover for opening and closing the inspection hole of the hollow body. In order to prevent damage or breakage of the buried material in the cavity, the cavity cover is covered with airtightness so as to prevent foreign substances from entering from the outside. The cavity cover is mostly made of concrete so as to withstand the load when the inspector or the like passes, The cover made of concrete is economical and has fire resistance, so it is safe against fire.

Since the conventional hollow cover is a concrete body, the load is heavy and the opening and closing operation is very difficult. Only a step formed on the periphery of the inspection furnace is supported by the bottom of the cover, so that the load transferred from the cover is concentrated on the step, It is easily generated, and it protects the worker by controlling the lane in the tunnel when inspecting the work after opening the inspection hole, but there is a problem in safety because the safety facility is not equipped.

(1) Korean Patent Registration No. 10-0741825

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a folding type sliding door which can be easily folded and folded in a sliding manner so as to relatively shorten preparation time for operation of a check port, A plurality of sliding bar reinforcement bars for supporting a load by distributing an applied load can be slidably formed so that even if the thickness of the folding type sliding door is thin, it is possible to sufficiently bear the load to be transmitted and to push a plurality of sliding bar reinforcement bars to one side of the check hole, And it is possible to easily inform the outside of the operation of the inspection work space of the tunnel tunnel by the notifying character portion on both sides of the rising folding type sliding door so that maintenance workability and work efficiency can be improved and maintenance is easy We made folding sliding cover of tunnel common It has its purpose in publicness.

In order to achieve the above object, according to the present invention, there is provided a tunnel structure, comprising: a box having a space therein and having an opening for opening and closing the interior of the tunnel with a predetermined distance therebetween, In this case,

Wherein the check port is formed in a square shape in a plan view, and the upper end is formed inwardly and outwardly,

The top and bottom surfaces of the forward and backward side front end portions are formed with upper and lower portions of the front and rear side growth and protrusion portions protruding upward due to the elasticity of the springs mounted on the forward and backward side surfaces, Left and right upper and lower guide grooves are formed in the upper and lower portions of the right and left inner side surfaces, respectively. The left and right upper and lower guide grooves are formed in a rectangular shape in cross section, A plurality of sliding reinforcing bars each of which is inserted and fixed to the left and right sides of the front and rear inner side surfaces of the sliding reinforcing bar, Holding wires are respectively formed, and on the left and right side upper surfaces Access door frame is inserted into and then longitudinally in the direction of the fixed section are formed right and left seal which is mounted fixed to the fixed frame main portion of the access door; And

The lid for opening and closing the check port is a plate which is seated on the front and rear side recess portions of the inspection port frame and whose upper surfaces are flush with each other, and front and rear side left and right fan shaft portions which are inserted into the left and right upper guides respectively, The front and rear side rotary incision parts are hinged to the front and rear sides by the hinge pins axially coupled to the left and right sides to be vertically folded, respectively, at the adjacent front and rear sides with respect to the handle, And a folding type sliding cover which is formed on the front and rear side surfaces and which can be clearly projected on the front and rear side surfaces or formed with at least one of the engraved characters and the color bodies, .

The folding type sliding door cover includes left and right wing portions closely attached to the right and left long packing at left and right sides respectively. The bottom portion of the folding type sliding door cover is in contact with the upper and lower portions of the sliding reinforcing bars, A plurality of bars are further provided.

As described above, according to the present invention, since the folding type sliding door can be easily folded and folded in the sliding manner, the preparation time for the operation of the check port can be relatively shortened.

Further, since a plurality of sliding bar reinforcing bars for holding the supporting force by dispersing a load applied from the folding type sliding door cover in the inside are slidably formed, even if the thickness of the folding sliding door is thin, it is possible to sufficiently bear the load, In addition, it is possible to easily open the inspection port by pushing a plurality of sliding bar reinforcing bars to one side of the inspection port, thereby improving the maintenance workability and work efficiency.

In addition, it is possible to easily inform the outside of the operation area of the entrance of the tunnel by the notifying character portion on both sides of the folding type sliding door, thereby improving the maintenance workability and work efficiency.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

1 is an exploded perspective view showing a tightening state of a folding type sliding door of a tunnel joint for easy maintenance, which is an embodiment of the present invention,
FIG. 2 is a perspective view showing a folding type sliding door of a tunnel joint which is easy to maintain, which is an embodiment of the present invention,
FIG. 3 is a sectional view showing a state in which a folding type sliding cover of a tunnel joint is installed, which is easy to maintain, which is an embodiment of the present invention,
FIG. 4 is a perspective view showing a state in which the left and right spacing wires are separated from the check port frame as the sliding reinforcing bars are gathered on one side in a state in which the folding-type sliding cover of the joint of the present invention is slidingly moved from the upper surface to the road side, A perspective view showing a state in which the open mouth is open,
FIG. 5 is an exploded view showing a state in which a folding type sliding door cover of a joint of a tunnel easy to maintain, which is an embodiment of the present invention, is installed.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the user, the intention or custom of the operator, and the like.

Therefore, it goes without saying that the definition should be based on the contents throughout this specification.

The folding type sliding door cover of the present invention can be easily maintained in the tunnel. The folding type sliding door cover of the tunnel can be opened and closed at a predetermined distance from each other, And an opening of the inspection opening frame 32 for holding the folding type sliding cover 10 in the lower direction and guiding the sliding movement of the inspection opening frame 32 20 is mounted on the upper surface of the inspection frame 20 and is guided by the inspection frame 20 when the inspection port 31 of the turbulent cavity 30 is used and stands up to one side to inform the outside that the inspection port 31 is under maintenance And a folding type sliding cover (10).

The inspection hole 31 of the tunnel opening 30 is formed in a rectangular shape in a plan view, and a frame fixing recessed portion 32 is formed on the upper and lower sides of the inspection opening 31.

The inspecting frame 20 is a rectangular ring-shaped frame, and front and rear side recessed portions 21 and 21a are formed on the front and rear inner side faces, respectively. The front and rear side recessed portions 21 and 21a 22a protruding upward due to the elasticity of the springs 22b, 22c are respectively protruded, and left and right upper and lower guide grooves 23, 23a are formed in the upper and lower portions of the left and right inner side surfaces, And left and right supporting projections 24c and 24d protruding from left and right front end faces respectively have left and right through holes 24a and 24b on left and right sides, A plurality of sliding reinforcing bars 24 which are inserted and inserted into the grooves 23a and 23a 'and are slidably moved forward and rearward are formed and both ends of the sliding reinforcing bars 24a and 24b' And 24b, respectively, Left and right side spacing wires 25 and 25a fixedly installed on left and right sides of the inner side, respectively, and left and right long seals 26 and 26a long and long in the front and rear direction are formed on the left and right side upper surfaces, And fixed to the frame fixing recess 32.

The folding type sliding door cover 10 is a cover for opening and closing the inspection port 31. The cover is seated on the front and rear side recessed portions 21 and 21a of the inspection port frame 20, Front left and right shaft protrusions 11 and 11a (12 and 12a) inserted into the left and right upper guide grooves 23 and 23 'are respectively protruded and formed at the left and right ends thereof, And the front and rear side rotary cut-off portions (12a, 12b) are hinged to the front and rear sides by the hinge pins (14a, 15a) axially coupled to the left and right sides and are vertically folded 14, 15) are formed on the front and rear side surfaces, respectively, and notice letter parts (16, 16a), which are clearly projected or expressed by at least one of a negative angle and a color tone, are formed respectively on the front and rear side surfaces, The left and right wings 17 and 17a closely contacted with each other And a plurality of bracing bars 18 are formed on the bottom surface of the bracing bar 18 so as to be in close contact with the upper surface of the plurality of sliding reinforcing bars 24 on the lower side in a state where the rubber plate 18a is fixed to the lower bracing. It can be easily informed to the outside that the inside of the city check port 31 is under work.

In the present invention as described above, first, the front and rear side water growth packing 22, 22a and the left and right long seals 26, 26a are interposed between the check port frame 20 and the folding type sliding cover 10, So that the foreign matter is prevented from flowing into the interior through the inspection hole 31. [

When the worker pulls the handle 13 located at the center of the folding type sliding door cover 10 seated on the upper surface of the inspection hole 31 upward while pulling the handle 13 upward, And the hinge pins 14a and 15a of the front and rear side rotary cutout portions 14 and 15 formed on the front and rear sides of the handle 13 are hinged about the folding type sliding cover 10 while only the handle 13 is raised upward, The front side and the rear side of the check port 31 are fixedly installed and widely informed by the notification character portions 16 and 16a on the both side surfaces that the inspection port 31 is under maintenance.

At this time, the front and rear left and right shaft projections 11, 11a (12, 12a) of the folding type sliding cover 10 slide to the rear side in the road side direction along the left and right upper guide grooves 23, 23 ' .

In this state, when the worker pushes a plurality of sliding reinforcing bars 24 blocking the opening 31 in the direction of the folding sliding cover 10, the plurality of sliding reinforcing bars 24 are supported by the left and right support projections The guide shafts 24c and 24d are guided and slid along the left and right spacing wires 25 and 25a by the left and right through holes 24a and 24b along the left and right lower guide grooves 23a and 23a ' And the left and right spacing maintaining wires 25 and 25a are pulled out and separated from the frame fixing recess 32 of the inspection port 31 by one side of the inspection port frame 20 so that the operator can enter and exit the inspection port 31 The inspection port 31 is opened.

In this state, the operator enters the inspection hole 31 of the tunnel opening 30 and performs various maintenance operations.

10: folding type sliding cover 11, 11a, 12, 12a: front and rear left and right shafts
13: Handle 14, 15: Front and rear side turning incision part
14a, 15a: Hinge pin 16, 16a:
17, 17a: left and right wing portions 18:
18a: Rubber plate
20: check port frame 21, 21a: front and rear side recesses
22, 22a: front and rear side carbon growth packing 22b, 22c: spring
23, 23a, 23 ', 23a': left and right upper and lower guide grooves
24: Sliding reinforcing bars 24a, 24b: Right and left holes
24c, 24d: left and right supporting projections 25, 25a: left and right spacing wires
26,26a: Left and right side packing
30: Tunnel tunnel 31: Check tunnel
32: Fixing recess

Claims (2)

(30) having a check hole (31) for opening and closing the interior of the box and having a space therebetween and opening and closing the check hole (31) ,
The inspection hole 31 is formed in a rectangular shape in a plan view, and a frame fixing recessed portion 32 is formed on the upper and lower sides of the inspection hole 31;
The front and rear side recessed parts 21 and 21a are formed on the upper and lower inner side surfaces of the front and rear sides, respectively. The elasticity of the springs 22b and 22c Left and right upper and lower guide grooves 23, 23a, 23 ', 23a' are formed in the upper and lower portions of the right and left inner side surfaces, respectively, And left and right support projections 24c and 24d protruding from left and right front end surfaces respectively have left and right through holes 24a and 24b on the left and right sides and are formed in the left and right lower guide grooves 23a and 23a ' A plurality of sliding reinforcing bars 24 are formed on the front and rear sides of the sliding reinforcing bar 24 so as to be slidably moved forward and rearward as the sliding grooves 24a and 24b are inserted and fixed, Side left and right sides Left and right spaced holding wires 25 and 25a are fixedly formed on the left and right sides of the inspection hole 31. Left and right long seals 26 and 26a, (20) which is fixedly seated on the frame (20); And
The lid for opening and closing the inspection port 31 is a plate which is seated on the front and rear side recess portions 21 and 21a of the inspection port frame 20 so that the upper surfaces thereof are flush with each other and the left and right upper guide grooves 23 The left and right front and rear axle projections 11 and 11a are inserted into the left and right axes 23 and 23 'of the left and right axles 12 and 12a, respectively. The grip 13 is protruded upward from the center of the upper surface, Front and rear side rotary cutout portions 14 and 15 are hinged to the front and rear sides by the hinge pins 14a and 15a axially coupled to the left and right sides and are vertically folded respectively on the front and rear sides adjacent to each other with respect to the handle 13, A folding type sliding door cover (16, 16a), which is clearly projected on the side surface or is expressed by at least one of a negative angle and a color, is formed to be able to easily inform the outside that the inspection port (31) (10) Maintenance is easy tunnels folding sliding door of the common duct to a gong. The method according to claim 1,
The folding type sliding cover 10 further includes right and left wings 17 and 17a which are in close contact with the left and right long seals 26 and 26a on the right and left sides, 24. The folding type sliding cover according to claim 1, wherein the plurality of the supporting bars are formed on the upper surface of each of the upper and lower rubber sheets, respectively.

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