KR101562825B1 - A knockdown stairs mold - Google Patents

A knockdown stairs mold Download PDF

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Publication number
KR101562825B1
KR101562825B1 KR1020150081891A KR20150081891A KR101562825B1 KR 101562825 B1 KR101562825 B1 KR 101562825B1 KR 1020150081891 A KR1020150081891 A KR 1020150081891A KR 20150081891 A KR20150081891 A KR 20150081891A KR 101562825 B1 KR101562825 B1 KR 101562825B1
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KR
South Korea
Prior art keywords
guide plate
rotation
horizontal
bodies
vertical
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KR1020150081891A
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Korean (ko)
Inventor
최재영
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(주)케이디 엔지니어링 건축사사무소
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Priority to KR1020150081891A priority Critical patent/KR101562825B1/en
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Publication of KR101562825B1 publication Critical patent/KR101562825B1/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
    • E04G13/062Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/02Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for rooms as a whole by which walls and floors are cast simultaneously, whole storeys, or whole buildings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

The present invention provides a knockdown stairs mold. The knockdown stairs mold includes a plate-shaped wall mold body part (100); a stairs mold body part (200) which is inclined to the wall mold body part (100) and is foldable in multiple stages in the inclined direction; and a width control part (300) which is connected to the stairs mold body part (200) and controls the total width of the stairs mold body part (200).

Description

{A KNOCKDOWN STAIRS MOLD}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a prefabricated stairway formwork, and more particularly, to a prefabricated stairway formwork capable of forming a concrete placement space for simultaneously forming a stepped wall and a stairway.

Conventionally, a plywood (panel) and a tree are cut into a saw with a predetermined width and length, and a nail is formed by making a nail so that a reinforced concrete step is constructed by an electric form, It takes a lot of manpower and time because it takes a lot of manpower and time, and the cost of construction is increased because most of the plywood and scaffolds that are dried after dismantling concrete after pouring concrete can not be reused.

Prior art relating to the present invention is Korean Registered Utility Registration No. 20-0355425 (June 26, 2004), and the prior art discloses a technique for a stepped-type wall mold.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a prefabricated staircase mold capable of forming a concrete installation space so as to simultaneously form a stepped wall and a stairway.

It is another object of the present invention to provide an assembled staircase which can be foldably constructed to form a stairway to facilitate installation, and can be reused after stairway formation, thereby achieving economical effects.

It is another object of the present invention to provide a prefabricated stair formwork which can adjust the size of a stairway to be formed to form a concrete pouring space and variably adjust the inclination of the formwork forming the stairway.

In a preferred aspect, the present invention provides a prefabricated stairway formwork.

The prefabricated stair formwork comprises a plate-shaped wall formwork body 100; A stair formwork body 200 which is disposed to be inclined to the wall formwork body 100 and is foldable so as to be spread in multiple stages along an oblique direction; And a width adjusting unit 300 connected to the step body 200 and adjusting a total width of the step body 200.

The wall molding body 100 may be formed with an inclined hole 110 inclined downward from one side thereof.

The step body 200 includes a plurality of first rotating shafts 210 having a predetermined length and spaced apart from each other and a plurality of vertical shafts 220 having one end connected to the plurality of first rotating shafts 210, A plurality of second rotary shafts 230 hinged to each other at the other ends of the plurality of vertical molding bodies 220 and one end hinged to the second rotary shaft 230, And a plurality of horizontal mold bodies 240 connected to the other ends of the plurality of first rotary shafts 210 so as to be rotatable. The plurality of horizontal molding bodies 240 are rotatably installed at the ends of the plurality of first rotary shafts 210 The roller 250 of FIG.

Preferably, the plurality of vertical form bodies 220 and the plurality of horizontal form bodies 240 are alternately connected to each other.

The plurality of rollers 250 may be disposed in the inclined holes 110 and may roll along the inclined holes 110.

The width adjuster 300 simultaneously moves the pair of rollers 250 positioned at one end and the other end of the slope hole 110 among the plurality of rollers 250 to move the step body 200 of the first embodiment.

Each of the plurality of vertical form bodies 220 includes an upper vertical form body 221 having one end connected to the first rotary shaft 210 and a first sliding hole 221a formed inward from the lower end thereof, And a lower vertical molding body 222 inserted and protruded into the first sliding hole 221a and connected to the second rotary shaft 230 at the other end.

Each of the plurality of horizontal formwork bodies 240 includes an upper horizontal mold body 241 having one end connected to the second rotation shaft 230 and a second sliding hole 241a formed inward from the lower end thereof, And a lower horizontal mold body 242 inserted into and protruding from the second sliding hole 241a and connected to the first rotary shaft 210 at the other end.

The width adjusting unit 300 includes a first guide plate 310, a second guide plate 320 slidably engaged with the first guide plate 310, A pinion 330 that gears and rotates the first guide plate 310 and the second guide plate 320 so that the second guide plate 320 interlocks with the first guide plate 310, And a cylinder (340) for forcibly moving the cylinder (340).

The end of the first guide plate 310 is connected to the center of rotation of the roller 250 located at one end of the inclined hole 110.

The end of the second guide plate 320 is connected to the center of rotation of the roller 250 located at the other end of the inclined hole 110.

When the first guide plate 310 is horizontally moved through the cylinder 250, the second guide plate 320 is interlocked with the first guide plate 310 by the rolling motion of the pinion 330 .

The wall molding body 100 may be provided with a rotation plate 120 connected to the hinge end H through one end thereof and rotated up and down.

The inclined hole 110 may be formed in the rotation plate 120.

One end of the rotation plate 120 may be installed to be rotatable up and down on the wall molding body 100 through the hinge end H.

The hinge stage H is preferably connected to the rotary motor 130.

The rotation motor 130 is driven by a control signal of the controller 140 to adjust the inclination by rotating the rotation plate 120 up and down.

INDUSTRIAL APPLICABILITY The present invention has the effect of forming a concrete installation space so that a stepped wall and a stair can be simultaneously formed.

In addition, according to the present invention, the widths of the steps can be varied by adjusting the positions of the two rollers located at both ends of the inclined hole along the inclined holes, so that the sizes of the vertical and horizontal die bodies can be adjusted by a sliding method.

Further, the present invention has the effect of adjusting the size of a step to be formed to form a concrete pouring space, and variably controlling the inclination of a mold forming a step.

That is, the inclination of the step body is controlled through the rotation of the rotary plate, It is possible to control the fine inclination at the installation place.

Further, the present invention realizes an economical effect by facilitating installation by embodying a form for forming a step to be foldable, reusing it after forming a step, and so on.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing the construction of a prefabricated stair formwork of the present invention. FIG.
FIG. 2 is a view showing the mark A of FIG. 1; FIG.
3 is a conceptual diagram showing a width adjusting unit according to the present invention.
4 is a perspective view showing an example in which the sizes of the vertical and horizontal die bodies according to the present invention are variable.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described with reference to the accompanying drawings.

FIG. 3 is a conceptual view showing a width adjusting unit according to the present invention, and FIG. 4 is a sectional view showing the width adjusting unit according to the present invention. FIG. Is a perspective view showing an example in which the sizes of the following vertical and horizontal die bodies are variable.

1 to 3, the prefabricated stepped die of the present invention includes a plate-shaped wall molding body 100; A stair formwork body 200 which is disposed so as to incline the wall formwork body 100 and folds so as to spread in multiple stages along an oblique direction; And a width adjusting unit 300 connected to the step body 200 and adjusting a total width of the step body 200.

The wall molding body 100 is formed with an inclined hole 110 inclined downward along the other side thereof.

The step body 200 includes a plurality of first rotating shafts 210 having a predetermined length and spaced apart from each other and a plurality of vertical shafts 220 having one end connected to the plurality of first rotating shafts 210, A plurality of second rotary shafts 230 hinged to each other at the other ends of the plurality of vertical molding bodies 220 and one end hinged to the second rotary shaft 230, And a plurality of horizontal mold bodies 240 connected to the other ends of the plurality of first rotary shafts 210 so as to be rotatable. The plurality of horizontal molding bodies 240 are rotatably installed at the ends of the plurality of first rotary shafts 210 The roller 250 of FIG.

The plurality of rollers 250 may be rail-coupled so as not to protrude outward from the inside of the inclined holes 110.

The plurality of vertical form bodies 220 and the plurality of horizontal form bodies 240 are arranged to be alternately connected to each other.

The plurality of rollers 250 may be disposed in the inclined holes 110 and may be formed along the inclined holes 110.

1 and 3, the width adjusting unit 300 may include a pair of rollers 250 positioned at one end and the other end of the plurality of rollers 250 in the inclined hole 110, The entire width of the step body 200 is adjusted.

Each of the plurality of vertical form bodies 220 includes an upper vertical form body 221 having one end connected to the first rotary shaft 210 and a first sliding hole 221a formed inward from the lower end, And a lower vertical molding body 222 having one end inserted into and protruding from the first sliding hole 221a and the other end connected to the second rotary shaft 230. [

Each of the plurality of horizontal formwork bodies 240 includes an upper horizontal mold body 241 having one end connected to the second rotation shaft 230 and a second sliding hole 241a formed inward from the lower end thereof, And a lower horizontal molding body 242 inserted into and protruding from the second sliding hole 241a and connected to the first rotary shaft 210 at the other end.

Thus, the size or width of the vertical and horizontal die bodies 220, 240 can be easily adjusted.

In this state, the width adjusting unit 300 includes a first guide plate 310, a second guide plate 320 that is engaged with the first guide plate 310 and slidably moves, A pinion 330 which gears and rotates the first guide plate 310 and the second guide plate 320 so that the first guide plate 310 and the second guide plate 320 interlock with each other, 310 in the horizontal direction along the horizontal direction.

The cylinder 340 has an expandable cylinder shaft 341 and the cylinder shaft 341 is connected to the first guide plate 310. The cylinder 340 expands and contracts the cylinder axis 341 by a control signal from the controller 140.

Accordingly, the first and second guide plates 310 and 320 interlock with each other as the cylinder shaft 341 expands and contracts.

The end of the first guide plate 310 is connected to the center of rotation of the roller 250 located at one end of the inclined hole 110.

The end of the second guide plate 320 is connected to the center of rotation of the roller 250 located at the other end of the inclined hole 110.

When the first guide plate 310 is horizontally moved through the cylinder 250, the second guide plate 320 is interlocked with the first guide plate 310 by the rolling motion of the pinion 330 .

By this action, the stair form body 200 can be unfolded or folded along the tilting hole 110, and the width can be adjusted.

When the width is adjusted, the sizes of the vertical and horizontal die bodies 220 and 240 are adjusted through the above-described configuration.

Referring to FIG. 4, the wall molding body 100 may be provided with a rotation plate 120 having one end connected to the hinge end H and rotating up and down.

The rotation plate 120 may be rotated in contact with the outer surface of the wall molding body 100.

In the rotation plate 120, the inclined holes 110 are formed.

One end of the rotation plate 120 is installed to be rotatable up and down on the wall molding body 100 through the hinge end H.

Further, the hinge stage H is preferably connected to the rotation motor 130.

The rotation motor 130 is driven by a control signal of the controller 140 to adjust the inclination by rotating the rotation plate 120 up and down.

According to the above structure and operation, the concrete casting space can be formed so that the stepped wall and the step can be formed at the same time.

In addition, according to the present invention, the widths of the steps can be varied by adjusting the positions of the two rollers located at both ends of the inclined hole along the inclined holes, so that the sizes of the vertical and horizontal die bodies can be adjusted by a sliding method.

Further, according to the present invention, the size of a step to be formed is adjusted to form a concrete pouring space, and the inclination degree of a mold forming a step can be variably controlled.

That is, the inclination of the step body is controlled through the rotation of the rotary plate, It is possible to control the fine inclination at the installation place.

In addition, the present invention realizes an economical effect by facilitating installation by embodying a mold for forming a step, and by reusing it after forming a step.

As described above,

It should be understood that various modifications may be made without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: wall mold body
200: stair die body
210: first rotating shaft
220: Vertical die body
230: second rotating shaft
240: horizontal mold body
250: roller
300:
310: first guide plate
320: second guide plate
330: pinion
340: cylinder
341: Cylinder axis

Claims (4)

A plate-shaped wall molding body part 100;
A stair formwork body 200 which is disposed to be inclined to the wall formwork body 100 and is foldable so as to be spread in multiple stages along an oblique direction; And
And a width adjusting unit 300 connected to the step body 200 and adjusting the entire width of the step body 200,
The wall molding body part 100 is formed with an inclined hole 110 inclined downward along the other side thereof,
The stair formwork body part (200)
A vertical body portion having a plurality of first rotational shafts 210 having a predetermined length and disposed at intervals and a plurality of vertical form bodies 220 having one end connected to the plurality of first rotational shafts 210,
A plurality of second rotary shafts 230 hinged to the other ends of each of the plurality of vertical form bodies 220, one end hinged to the second rotary shaft 230 and the other end hinged to the plurality of first rotary shafts A horizontal body portion having a plurality of horizontal die bodies 240 rotatably connected to each of the horizontal die bodies 210,
And a plurality of rollers (250) installed to rotate on the ends of the plurality of first rotation shafts (210)
The plurality of vertical form bodies 220 and the plurality of horizontal form bodies 240 are arranged to be alternately connected to each other,
The plurality of rollers 250 are disposed in the inclined holes 110 and roll along the inclined holes 110,
The width adjuster 300 simultaneously moves the pair of rollers 250 positioned at one end and the other end of the slope hole 110 among the plurality of rollers 250 to move the step body 200) is adjusted to adjust the overall width of the stepped die (200).
The method according to claim 1,
Each of the plurality of vertical die bodies 220 includes:
An upper vertical molding body 221 having one end connected to the first rotation shaft 210 and having a first sliding hole 221a formed inward from the lower end thereof,
And a lower vertical molding body 222 having one end inserted into and protruding from the first sliding hole 221a and the other end connected to the second rotary shaft 230,
Each of the plurality of horizontal die bodies 240 includes:
An upper horizontal mold body 241 having one end connected to the second rotation shaft 230 and a second sliding hole 241a formed inward from the lower end,
And a lower horizontal mold body (242) having one end inserted into and protruded from the second sliding hole (241a) and the other end connected to the first rotary shaft (210)
3. The method of claim 2,
The width adjusting unit 300 may include:
A first guide plate 310,
A second guide plate 320 engaged with the first guide plate 310 and slidably moved,
A pinion 330 for gearing and rotating the first guide plate 310 and the second guide plate 320 so that the first guide plate 310 and the second guide plate 320 interlock with each other,
And a cylinder (340) for forcibly moving the first guide plate (310) along the horizontal direction,
The end of the first guide plate 310 is connected to the center of rotation of the roller 250 located at one end of the inclined hole 110,
The end of the second guide plate 320 is connected to the center of rotation of the roller 250 located at the other end of the inclined hole 110,
When the first guide plate 310 is horizontally moved through the cylinder 340, the second guide plate 320 is interlocked with the first guide plate 310 by the rolling motion of the pinion 330 Characterized in that the prefabricated stair formwork
Claim 4 has been abandoned due to the setting registration fee. 3. The method of claim 2,
The wall molding body 100 is provided with a rotation plate 120 which is connected to one end of the wall molding body 100 through a hinge end H so as to be rotated up and down,
In the rotation plate 120, the inclined holes 110 are formed,
One end of the rotation plate 120 is rotatably mounted on the wall molding body 100 through the hinge end H,
The hinge stage H is connected to the rotation motor 130,
Wherein the rotary motor (130) is driven by a control signal of the controller (140) to rotate the rotary plate (120) up and down to adjust the inclination.


KR1020150081891A 2015-06-10 2015-06-10 A knockdown stairs mold KR101562825B1 (en)

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KR1020150081891A KR101562825B1 (en) 2015-06-10 2015-06-10 A knockdown stairs mold

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KR1020150081891A KR101562825B1 (en) 2015-06-10 2015-06-10 A knockdown stairs mold

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863253A (en) * 2016-05-25 2016-08-17 杭州江润科技有限公司 Integral formwork-supporting type asynchronous casting stairwell wall column formwork supporting system and construction method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2631276B2 (en) 1994-12-12 1997-07-16 コマツ東京株式会社 Formwork for stairs
JP2000282681A (en) 1999-03-31 2000-10-10 Daisue Construction Co Ltd Form device for precast concrete stairway
JP2001300919A (en) 2000-04-19 2001-10-30 Ando Corp Apparatus for manufacturing variable length precast concrete staircase for molding definite throat depth
KR101348380B1 (en) 2012-10-08 2014-01-07 이영순 A molding assembly for a precast concrete stairs structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2631276B2 (en) 1994-12-12 1997-07-16 コマツ東京株式会社 Formwork for stairs
JP2000282681A (en) 1999-03-31 2000-10-10 Daisue Construction Co Ltd Form device for precast concrete stairway
JP2001300919A (en) 2000-04-19 2001-10-30 Ando Corp Apparatus for manufacturing variable length precast concrete staircase for molding definite throat depth
KR101348380B1 (en) 2012-10-08 2014-01-07 이영순 A molding assembly for a precast concrete stairs structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863253A (en) * 2016-05-25 2016-08-17 杭州江润科技有限公司 Integral formwork-supporting type asynchronous casting stairwell wall column formwork supporting system and construction method

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