KR101894208B1 - Handrail for iron structure stairs - Google Patents

Abstract

The present invention relates to a handrail installed in a steel structure staircase, which is made of an iron steel structure and has side plates vertically installed at both side surfaces of the staircase, and provides a handrail for a steel structure staircase, comprising: a base member coupled to the side plate at predetermined intervals by means of a plurality of upper coupling means and having a support groove on an upper portion; a hollow support member having a fastening groove formed on the lower portion so as to be fitted and fastened to the base member and a through hole formed at an upper portion such that a pillar is fastened to the through hole so as to be supported therein; pillars respectively having a lower end portion inserted into the support groove by penetrating the through hole so as to be vertically mounted and having upper and lower coupling holes penetratingly formed at a plurality of positions and a retro-reflective sheet attached to the outer circumferential surface thereof; a fixing pad having a support tube, which is coupled to the outer circumference of the pillar, a plurality of blades, which are formed to be spaced away from each other in the radial direction on the outside of the support tube so as to be fastened to the upper surface of the support member, ribs, which are formed on the blades so as to be connected to the supporting tube, and stopper holes, which are formed between the blade and the blade and coupled to stoppers so as to fix the pillar; and a plurality of handrails connecting the pillar and the pillar.

Description

HANDRAIL FOR IRON STRUCTURE STAIRS [0001]

More particularly, the present invention relates to a rail for a stairway of a steel structure, which is connected to both side plates of a stairway made of an iron structure, has a strong supporting force, is not easily deformed, and has excellent impact resistance.

Generally, a railing is a structure of metal material, wood, stone which is formed on the edge of a staircase or a bridge to prevent falls and serves as a decoration. However, railings that can be easily accessed by the general public are often installed inside and outside staircases in apartments, schools, museums and other buildings.

In particular, recently, the formwork of a staircase itself is made of steel structure, side plates are provided on both sides of the staircase, and a stepped plate made by bending an iron plate is continuously connected to simplify the work process and reduce the cost of the steel structure The manufacturing method is widely applied.

Patent Document 1 discloses two plates spaced apart from each other by a predetermined distance and at least one spacer provided in a spaced space between two plates. The two plates are folded at a predetermined angle and joined to each other. Wherein the lower ends of the plates are folded at a predetermined angle and joined to each other and joined to the side plates of the side walls of the stairs, a rail portion coupled to the upper ends of the two plates and serving as a guide, Wherein the spacer includes a body portion which is fitted to and joined to the spacing space between the two plates, a bolt portion protruded from both ends of the body portion, and a nut portion which is engaged with the bolt portion, The railing for the stairs of the structure is disclosed.

However, when the above-mentioned prior art stairway rail for a steel structure is installed on a building, the railway is simply coupled to the side plate, so that the supporting force is lowered and the railing can be easily deformed and vibration occurs every time the person goes up or down the staircase. There is a problem that the fixing force and durability of the railing can be lowered.

In addition, the stairs of the steel structure installed on the building are used as working passages of the worker during the building construction work, and the temporary stairway is installed in the stairway to prevent safety accidents. After completion of the construction, the temporary staircase is dismantled, The temporary rail and the permanent rail must be separately installed, which increases the work time and cost.

Korean Utility Model Registration No. 20-0449575 (published on July 21, 2010)

SUMMARY OF THE INVENTION The present invention has been made in order to solve all of the problems described above, and it is an object of the present invention to provide a stair tread having a rigid supporting force connected to both side plates of a stepped stairway, The purpose of this paper is to provide a railway stairway rail that can be used as a temporary railway to prevent safety accidents.

In order to solve the above-described problems, the present invention provides a handrail provided at a step of a steel structure formed of a steel iron structure and having side plates on both sides of the steps, and is connected to the side plate at a predetermined interval through a plurality of upper engaging means. A supporting member having an inner surface and an elastic TPE pad attached to the inner surface of the TPE pad, A plurality of stoppers are arranged radially on the upper surface in the vicinity of the through holes so as to be spaced apart from each other, A support member protruding upward and connected to the support member and the support by penetrating the connection bolt; A support having a lower end inserted through the through hole to be inserted into the support groove, an upper and a lower coupling hole formed at a plurality of positions, and a retroreflective sheet attached to the outer circumferential surface; A support tube is coupled to the outer periphery of the strut, a plurality of blades are radially formed on the outside of the support tube and are radially formed and fastened to the upper surface of the support member, the upper end rib of the blade is protruded and connected to the support tube, A stopper hole is formed between the wings, the stopper hole is coupled with the stopper to fix the post, And a plurality of railings connecting the supports and the stanchions.

According to the present invention, since it is connected to both side plates of a stepped structure made of steel structure, it has a strong supporting force, is not easily deformed, has excellent impact resistance, is easy to install, There is an effect that can be prevented.

1 is a view showing a step of a steel structure applied to the present invention.
2 is a view illustrating a rail for a stairway of a steel structure according to an embodiment of the present invention.
3 is a view showing a receiving member according to an embodiment of the present invention.
4 is a view showing a support member according to an embodiment of the present invention.
5A and 5B are views showing a fixing pad according to an embodiment of the present invention.
FIG. 6 is a view showing a support and guardrail according to an embodiment of the present invention.

Hereinafter, with reference to the drawings, a detailed description will be given of the details of a rail for a stairway of a steel structure according to the present invention.

In Fig. 1, a step S and a side plate P made of iron structures are shown.

The rail structure 1 according to the present invention is connected to the side plates P installed on both sides of the step S of the iron structure to have a strong supporting force and is not easily deformed and has excellent impact resistance. 2, it includes a supporting member 100, a supporting member 200, a support 300, a fixing pad 400, and a balustrade 500.

Referring to FIG. 3, the receiving member 100 is connected to the side plate P at intervals of a predetermined distance, and has a shape of? The supporting member 100 is formed in a longitudinal direction so that the inner piece 110 is in contact with the inner side surface of the side plate P and the outer piece 120 is in contact with the outer side surface of the side plate P And a pair of concave and convex lines 131 formed on the upper surface of the receiving piece 130 in which the convex and concave portions are alternately arranged are spaced apart from each other, And the support piece 130 is recessed and formed with a receiving groove 140 having a predetermined depth.

The supporting member 100 is formed such that a plurality of upper coupling means 150 penetrate through the outer piece 120, the side plate P and the inner piece 110 in order, When the nut 155 is fastened and the adjustment nut 155 is rotated, the inner piece 110 and the outer piece 120 are pressed so that a firm connection is established. At this time, the outer piece 120 may extend to the lower end of the side plate P and may be coupled to the side plate P by a plurality of lower coupling means 160, and one adjustment nut 165 are fastened and the adjusting nut 165 is rotated, the outer piece 120 is pressed, so that a more rigid connection can be made.

In addition, a TPE pad 170 having elasticity may be attached to the inner side surface of the receiving member 100 to be tightly coupled with the side plate P. TPE (Thermo Plastic Elastomer) pad is made of thermoplastic elastomer and is often called elastomer. Thermoplastic elastomer is rubber harder than rubber, has more resilience than plastic, It is excellent in sound, absorbs external impact well, reduces vibration, and increases adhesion with other materials.

To this end, the TPE pad comprises 20 to 60% by weight of a polyolefin resin, 30 to 70% by weight of EPM rubber, 0.5 to 2% by weight of carbonylbiscaprolactam, 1 to 5% by weight of tetrahydrofurfuryl methacrylate, 0.5 to 3 wt% of diacrylate, 0.5 to 3 wt% of 1,6-hexanediol diacrylate, 0.5 to 3 wt% of N, N'-m-phenylene dimaleimide, 0.5 to 1.5 wt% of stannic chloride, 0.1 to 1.0% by weight of p, p'-oxybisbenzenesulfonyl hydrazide.

The polyolefin-based resin imparts elasticity, improves rigidity and heat resistance, and improves the flowability of the elastomer due to its low viscosity when mixed with EPM rubber. As such polyolefin-based resins, isotactic polypropylene, ethylene-propylene copolymer and the like can be used. It is preferable that the polyolefin resin is contained in an amount of 20 to 60% by weight. If it is less than 20% by weight, the flowability and heat resistance may be deteriorated. If it exceeds 60% by weight, the elasticity and flexibility of the elastomer become inferior, .

The EPM rubber is an ethylene-propylene copolymer rubber, and an ethylene-propylene copolymer rubber can be used. The EPM rubber has elasticity and exhibits elasticity and flexibility. The EPM rubber is preferably contained in an amount of 30 to 70% by weight. If it is less than 30% by weight, elasticity and flexibility of the elastomer may be deteriorated. If it exceeds 70% by weight, heat resistance and flowability may be deteriorated, .

The carbonylbiscaprolactam is added to increase the durability and heat resistance of the TPE pad, and the carbonylbiscaprolactam is preferably contained in an amount of 0.5 to 2% by weight.

Tetrahydrofurfuryl methacrylate is added in an amount of 1 to 5% by weight, and functions as a diluent, thereby enhancing adhesion.

Dipropylene glycol diacrylate and 1,6-hexanediol diacrylate are each included as a crosslinking agent in an amount of 0.5 to 3% by weight, respectively. The molecular sieve may be interconnected to form a polymer, and the crosslinking density may be increased to enhance mechanical properties have.

The N, N'-m-phenylene dimaleimide is contained in an amount of 0.5 to 3% by weight as a crosslinking aid, which is highly reactive so that a rapid crosslinking reaction can take place.

Stannus chloride is contained in an amount of 0.5 to 1.5% by weight, which increases the chemical reaction rate and promotes crosslinking to activate crosslinking.

The p, p'-oxybisbenzenesulfonylhydrazide is contained in an amount of 0.1 to 1.0% by weight and functions as a foaming agent.

In addition, the TPE pad 170 may be attached to the supporting member 100 by an adhesive layer after the coating layer is applied to the outer surface.

Wherein the coating layer comprises 50 to 70 parts by weight of a powdered white coal, 5 to 10 parts by weight of pine powder, 150 to 200 parts by weight of ion exchange water, 30 to 50 parts by weight of an aqueous polyurethane resin, 100 to 100 parts by weight of dicyclohexylcarbodiimide 0.5 to 1 part by weight.

The loess is composed of silica, alumina, iron powder, magnesium, sodium, potassium and the like, and radiates a large amount of far-infrared rays. The loess is composed of a honeycomb structure and has a multi-layer structure with numerous spaces. , Humidity control ability, deodorization function, so it is beneficial to health and environment in real life. These clay lozes are included in the body to protect the health of the residents and non-energetic, unpleasant odors can be reduced to a pleasant and safe life is possible.

Charcoal is a charcoal made by solid wood such as oak wood as a raw material and progressing carbonization more than charcoal. During the manufacturing process, the bark of charcoal almost disappears and the surface is white due to ash. The carbon content is 90 to 95%, the ash content is about 2%, and contains a trace amount of water. Such a flour is composed of porous structure, contains many minerals, absorbs odor and moisture, generates anions to purify air, and emits far-infrared rays. And 50 to 70 parts by weight per 100 parts by weight of the loess powder.

The pine pine powder may be added in an amount of 5 to 10 parts by weight per 100 parts by weight of the loess powder, and the pine pine powder may be deodorized, preserved and antibacterialized to increase the durability of the interior material.

The ion-exchanged water is high-quality water which is in the range of 150 to 200 parts by weight per 100 parts by weight of the loess powder and which is close to pure water from which inorganic salts in water are removed for industrial water, beverage, etc., and obtained using an ion exchange resin Through these operations, cations and anions are removed, and yellowing powder, pellet powder, pine powder, aqueous polyurethane resin, etc. are mixed with the ion exchange water without affecting the action of other components.

The aqueous polyurethane resin is added in an amount of 30 to 50 parts by weight per 100 parts by weight of the loess powder, and acts as a binder. The aqueous polyurethane resin has waterproofness, heat resistance and excellent rebound resilience and is tightly bonded to the TPE pad 170, And 0.5 to 1 part by weight of dicyclohexylcarbodiimide per 100 parts by weight of the yellowing powder is added as a curing agent and stabilized with other additives.

The adhesive layer is applied to the coating layer and adhered to the support member 100. The silicate mixture may be mixed with 5 to 10 parts by weight of the mineral fiber and 5 to 10 parts by weight of the curing agent per 100 parts by weight of the silicate mixture.

At this time, the silicate mixture may be composed of 30 to 40 wt% of sodium silicate, 20 to 30 wt% of potassium silicate, 20 to 30 wt% of lithium silicate, 5 to 10 wt% of colloidal silica, and 1 to 5 wt% of ion exchange water.

The sodium silicate, potassium silicate, and lithium silicate, which are provided as the basic liquid phase receptors of the silicate mixture, are non-toxic, non-flammable, in an aqueous phase and are included in the adhesive layer to provide a firm and firmly adherent mineral bond with the ocher powder of the coating layer.

In addition, the mineral fiber includes 5 to 10 parts by weight per 100 parts by weight of the silicate mixture. It prevents cracking of the adhesive sheet during the drying and curing process, secures thickening and flexibility, and provides a predetermined strength.

Referring to FIG. 4, the support member 200 is inserted into the support member 100 so as to be orthogonal to the support member 100, and the interior of the support member 200 is hollow. The support member 200 is formed with front and rear support plates 210 and 220 in the longitudinal direction on the front and rear sides respectively and a coupling groove 260 is formed in the lower portion thereof. The support member 100 is inserted into the coupling groove 260 And are fastened in directions perpendicular to each other. The inner side plate 230 and the outer side plate 240 are connected to both ends of the front and back side plates 210 and 220 and the upper plate 250 is formed on the upper side of the supporting member 200. The upper plate 250 is formed with a through hole 251 and a lower end of the strut 300 is fastened and supported. A plurality of stoppers 252 are radially disposed around the through hole 251, do. The connecting bolts 245 penetrate through the supporting member 200, the supporting member 100 and the lower end of the supporting column toward the inside from the outside to the inside. The adjusting bolt 245 is fastened to the front and rear sides of the connecting bolt 245 so as to rotate the adjusting nut 245a to adjust the pressing force.

The concave and convex lines 270 are alternately formed on the inner upper surfaces of the coupling grooves 260 formed in the front and rear support plates 210 and 220 so as to form a pair of concave and convex lines 270 of the support piece 130, So that any movement of the support member is prevented.

6, the struts 300 may be made of a wood material having a substantially rectangular cross section, and a lower end thereof may be inserted through the through holes 251 and inserted into the receiving grooves 140, The lower coupling holes 310 and 320 are formed to penetrate and the reflex reflection paper 330 is adhered to the outer circumferential surface and the incident light is strongly retroreflected so that a light such as a lamp is reflected even in a dark place.

The U-pin 340 having the round portion 341 in the upper and lower coupling holes 310 and 320 passes through the support 300 while the U-pin 340 is laterally raised, and the support 300 connects the support 300 and the support 300, The fastening plate 350 is horizontally disposed inside the U-shaped pin 340 and fastened to the U-shaped pin 340 through the elongated fastening plate 350 having a pair of fastening holes 351, And the fixing nut 360 is fastened to the U-shaped pin 340 passing through the fastening plate 350 to be finally fixed.

The plurality of U-shaped pins 340, which are inserted into the upper and lower coupling holes 310 and 320 formed at the plurality of positions, are formed so that the round portions 341 protrude inwardly and outwardly, The balusters 500, which are vertically disposed along the longitudinal direction of the U-shaped pin 300 and are connected to and supported by the inside of the U-shaped pin 340, are alternately installed on the inner side and the outer side, .

In addition, a pair of guard rails 500 disposed on the inner side and the outer side of the side plate P are connected to each other through a plurality of connecting holes 370, and pass through the connecting rings 371 formed on both sides of the connecting hole 370 So that they can be prevented from being easily deformed.

A safety ring 372 is connected to each of the connection rings 371 of the connector 370 and the safety ring 372 can be held by a user during construction or can be used by hanging a safety member on the safety ring 372 Therefore, it can be used as a temporary railing during construction to prevent a safety accident, and it is possible to reduce the trouble of installing a separate permanent railing after dismantling the temporary railing.

5A and 5B, the support pad 410 is coupled to the outer circumferential surface of the lower portion of the support 300 and the plurality of blades 420 are connected to the outer surface of the support pipe 410, And the upper end ribs 421 are protruded for each wing 420 to be connected to the support pipe 410 to form the fixing pads 400. [ A connection hole 422 is formed in a wing surface on both sides of the rib 421 so as to be fixedly coupled to the upper plate 250 through a fixing member A stopper hole 430 is formed between the stopper hole 430 and the stopper hole 430 and the stopper hole 430 is engaged with the stopper 252 to further securely support the strut 300.

As a result, the rail structure 1 according to the present invention is connected to both side plates of a stairway made of iron structure, and has a strong supporting force, is not easily deformed, has excellent impact resistance, is easy to install, It can also be used as a temporary railing to prevent safety accidents.

The present invention is not limited to the above-described embodiments. Anything having substantially the same constitution as the technical idea described in the claims of the present invention and achieving the same operational effect is included in the technical scope of the present invention.

S. Steel Structure Stairs P. Shroud
1. Railings 100. Supporting members
110. Inner side 120. Outer side
130. Base 131. Uneven line
140. Support groove 150. Upper coupling means
155. Adjusting nut 160. Lower coupling means
165. Adjusting nut 170. TPE pad
200. Supporting member 210. Front plate
220. Rear plate 230. Inner plate
240. Outer plate 245. Connecting bolt
245a. Adjusting nut 250. Top plate
251. Through hole 252. Stopper
260. Fastening groove 270. Uneven line
300. Support 310. Upper coupling hole
320. Lower coupling hole 330. Retroreflective sheet
340. U Zippin 341. Round section
350. Fastening plate 351. Fastening hole
360. Fixing nut 370. Connector
371. Connecting ring 372. Safety ring
400. Fixing pad 410. Supporting tube
420. wings 421. ribs
430. Stopper Hall 500. Railing

Claims (7)

In the case of a handrail which is made of iron steel structure and is installed on the step of a steel structure where side plates are installed on both sides of the stairs,
A supporting member which is connected to the side plate at a predetermined interval through a plurality of upper coupling means and is formed in a shape of ┌┐ and has a TPE pad having elasticity on its inner side and is tightly coupled to the side plate and having a receiving groove on the upper side;
A plurality of stoppers are arranged radially on the upper surface in the vicinity of the through holes so as to be spaced apart from each other, A support member protruding upward and connected to the support member and the support by penetrating the connection bolt;
A support having a lower end inserted through the through hole to be inserted into the support groove, an upper and a lower coupling hole formed at a plurality of positions, and a retroreflective sheet attached to the outer circumferential surface;
A support tube is coupled to the outer periphery of the strut, a plurality of blades are radially formed on the outside of the support tube and are radially formed and fastened to the upper surface of the support member, the upper end rib of the blade is protruded and connected to the support tube, A stopper hole is formed between the wings, the stopper hole is coupled with the stopper to fix the post, And
A rail for a staircase of steel structures, including a plurality of railing fences connecting between the pillar and the pillar.
The method according to claim 1,
The support member includes an inner piece formed in a longitudinal direction to be in contact with an inner side surface of the side plate, an outer piece formed in a longitudinal direction to contact the outer side surface of the side plate, and a base piece Lt; / RTI &
And the outer piece is extended to the lower end of the side plate and joined by the lower engaging means.
The method according to claim 1,
The support member includes front and rear backboards, which are formed in the longitudinal direction on the front and rear sides respectively and are formed with coupling grooves, an inner plate and an outer plate that connect the opposite ends of the front and backboards, respectively, Railings for staircases containing plates.
The method of claim 3,
The support member has a pair of protruding and contracting lines formed alternately on the upper surface thereof,
Wherein the upper and lower surfaces of the fastening grooves formed in the front and back side plates are formed with alternately formed projections and depressions, respectively, so as to firmly fasten the supporting members to the supporting members.
The method according to claim 1,
The TPE pad comprises 20 to 60% by weight of a polyolefin resin, 30 to 70% by weight of EPM rubber, 0.5 to 2% by weight of carbonylbiscaprolactam, 1 to 5% by weight of tetrahydrofurfuryl methacrylate, 0.5 to 3 wt.% Of 1,6-hexanediol diacrylate, 0.5 to 3 wt.% Of 1,6-hexanediol diacrylate, 0.5 to 3 wt.% Of N, N'-m-phenylene dimaleimide, 0.5 to 1.5 wt.% Of stannic chloride, 0.1 to 1.0% by weight of p'-oxybisbenzenesulfonyl hydrazide.
6. The method of claim 5,
The TPE pad is coated with a coating layer on its surface,
The coating layer may contain 50 to 70 parts by weight of the white coal powder, 5 to 10 parts by weight of the pine powder, 150 to 200 parts by weight of the ion exchange water, 30 to 50 parts by weight of the aqueous polyurethane resin, 0.5 to 50 parts by weight of the dicyclohexylcarbodiimide 0.5 To 1 part by weight of the iron structure staircase.
The method according to claim 1,
A U-shaped pin having a round portion is passed through the upper and lower coupling holes of the support so that the parapet passes horizontally through the inside of the U-pin, and a fastening plate having a pair of fastening holes is fastened to the U- Fixed with a nut,
The plurality of U-shaped pins are disposed along the longitudinal direction of the support so that the round portions are alternately protruded in the opposite directions of the inside and outside, thereby alternately installing the inside and outside of the handrail,
The pair of railing pieces provided on the inner side and the outer side are reinforced by passing through the connecting rings formed on both sides of the connecting hole respectively and the safety rings are connected to the connecting rings so that they can be held by the user during construction Steel structures for stair railing.

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