CN111622502B - A building staircase formwork supporting structure - Google Patents

A building staircase formwork supporting structure Download PDF

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Publication number
CN111622502B
CN111622502B CN202010617294.8A CN202010617294A CN111622502B CN 111622502 B CN111622502 B CN 111622502B CN 202010617294 A CN202010617294 A CN 202010617294A CN 111622502 B CN111622502 B CN 111622502B
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China
Prior art keywords
support
building
stair
formwork
staircase
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Active
Application number
CN202010617294.8A
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Chinese (zh)
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CN111622502A (en
Inventor
姜坤
卢华
刘璇
万廷荣
张思斌
覃鹤
周雨婷
袁肖
施正阳
赵红霞
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No 1 Construction Engineering Co Ltd of Guizhou Construction and Engineering Group
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No 1 Construction Engineering Co Ltd of Guizhou Construction and Engineering Group
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Priority to CN202010617294.8A priority Critical patent/CN111622502B/en
Publication of CN111622502A publication Critical patent/CN111622502A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06—Falsework, 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06—Falsework, 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
    • E04G13/062—Falsework, 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings

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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 invention provides a building stair template supporting structure, which comprises a stair bottom die and a stair shell die, wherein the upper end and the lower end of the stair bottom die are respectively connected with the upper end and the lower end of the stair shell die into a whole through a shaping cross rod, the supporting structure comprises a bearing pier, a supporting screw cylinder, a supporting screw rod and a fixing plate, the fixing plate is arranged on the stair bottom die, the bearing pier is arranged at the junction of a building wall and a building floor, one end of the supporting screw cylinder is in rotatable fit connection with the bearing pier, the other end of the supporting screw cylinder is in threaded connection with one end of the supporting screw rod, the other end of the supporting screw rod is in threaded connection with the fixing plate, and the tail end face of the supporting screw rod abuts against the stair bottom die. By adopting the technical scheme of the invention, the supporting posture or state of the stair template can be adjusted by adjusting the matching length of the supporting screw rod and the supporting screw cylinder, and the gap allowance for adjustment is reserved between the supporting screw rod and the stair bottom die, so that the stair template can be prevented from being excessively deformed locally in the concrete pouring process, and the potential safety hazard is reduced.

Description

Building stair template supporting structure
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a building stair formwork supporting structure.
Background
In construction engineering, in order to obtain a building body with a special shape and structure through concrete pouring, prefabricated templates with mold cavities with corresponding shapes need to be erected in advance, for example, when building stairs of a building with irregular outline shapes, corresponding stair templates need to be prepared in advance first, and the supporting structures of the stair templates need to be stabilized, so that the supporting structures of the stair templates can bear impact or pressure of concrete on the stair templates in the concrete pouring construction process, and safety accidents caused by collapse of the supporting structures of the stair templates are prevented. The existing stair template supporting structure generally adopts a rigid supporting structure, no adjustable space exists between the supporting piece and the stair template, and as the concrete can cause uneven impact on each area of the stair template in the casting process, the stair template and the corresponding supporting piece are locally deformed, the casting forming quality of the stair is affected, even the safety accident of local collapse is caused, and the construction progress is affected.
Disclosure of Invention
In order to solve the technical problems, the invention provides a building stair formwork supporting structure.
The invention is realized by the following technical scheme.
The invention provides a building stair formwork supporting structure, which comprises a stair bottom die, a stair shell die and a shaping cross rod, wherein the upper end and the lower end of the stair bottom die are respectively connected to a building wall body and a building floor through a hinged support, one end of the shaping cross rod is hinged to the hinged support, the other end of the shaping cross rod is sequentially and fixedly connected with a supporting ring and a locking nut in a screwed manner, the upper end and the lower end of the stair shell die are respectively clamped between the supporting ring and the locking nut, the building stair formwork supporting structure comprises a bearing pier, a supporting screw cylinder, a supporting screw rod and a fixing plate, the fixing plate is arranged on the stair bottom die, the bearing pier is arranged at the junction of the building wall body and the building floor, one end of the supporting screw cylinder is in rotatable fit connection with the bearing pier, the other end of the supporting screw cylinder is in screwed connection with one end of the supporting screw rod, the other end of the supporting screw rod is in screwed connection with the fixing plate, and the tail end face of the supporting screw rod abuts against the stair bottom die.
The bearing pier is L-shaped in appearance and is provided with a first supporting arm and a second supporting arm, the first supporting arm is propped against a building wall body, and the second supporting arm is paved on a building floor.
The end surfaces of the first support arm and the second support arm are provided with bearing surfaces which are inclined relative to the horizontal plane, and the support screw cylinder is connected to the bearing surfaces.
The bearing surface is inclined at 45 ° to the horizontal.
And an inserting piece is also clamped between the end face of the tail end of the supporting screw rod and the stair bottom die.
The shape of the inserting piece is L-shaped.
The outer surface of the inserting piece is wrapped with a rubber sleeve.
The outer surface of the supporting screw cylinder is also fixedly connected with a torsion bar.
The fixing plate is arranged on the stair bottom die by adopting a butterfly bolt.
At least half of the hinge support is embedded in a building wall or a building bottom plate.
The stair mold has the beneficial effects that by adopting the technical scheme of the stair mold, the end face of the tail end of the supporting screw is propped against the stair mold for supporting, the supporting posture or state of the stair mold can be adjusted by adjusting the matching length of the supporting screw and the supporting screw cylinder, the end face of the tail end of the supporting screw is a conical surface, the supporting screw and the stair mold are also clamped with the inserting piece, so that an adjustable gap allowance is arranged between the supporting screw and the stair mold, the adjustment is convenient, the rubber sleeve wrapped on the inserting piece increases the friction resistance between the supporting screw and the stair mold, the supporting part of the supporting screw can be changed according to the impact of the concrete in the casting process, the safety accident of collapse caused by local deformation of the stair mold is avoided, in addition, compared with the supporting seat, at least half of the supporting seat is embedded into a building wall or a building floor, the stability of the whole supporting structure can be maintained, the sliding of the hinged supporting seat is prevented, and the casting molding quality of the final stair is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1A in accordance with the present invention;
fig. 3 is an enlarged schematic view of a portion of the invention at B in fig. 1.
In the figure, the stair bottom die, the stair shell die, the shaping cross bar, the hinge support, the support ring 5, the lock nut 6, the bearing pier 7, the support screw barrel 8, the support screw rod 9, the fixing plate 10, the insert piece 11, the torsion bar 12, the butterfly bolt 13, the diagonal brace 14 and the supporting surface 701 are arranged on the stair bottom die.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
As shown in fig. 1 to 3, the invention provides a building stair formwork supporting structure, the building stair formwork comprises a stair bottom die 1, a stair shell die 2 and a shaping cross rod 3, the upper end and the lower end of the stair bottom die 1 are respectively connected to a building wall body and a building floor through a hinged support 4, one end of the shaping cross rod 3 is hinged to the hinged support 4, the other end of the shaping cross rod 3 is sequentially and fixedly connected with a supporting ring 5 and a locking nut 6 in a screwed manner, the upper end and the lower end of the stair shell die 2 are respectively clamped between the supporting ring 5 and the locking nut 6, the building stair formwork supporting structure comprises a bearing pier 7, a supporting screw barrel 8, a supporting screw 9 and a fixing plate 10, the fixing plate 10 is arranged on the stair bottom die 1, the bearing pier 7 is arranged at the junction of the building wall body and the building floor, one end of the supporting screw barrel 8 is connected with the bearing pier 7 in a rotatable fit manner, the other end of the supporting screw barrel 8 is in a screwed manner with one end of the supporting screw 9, the other end of the supporting screw 9 is in a screwed manner with the fixing plate 10, and the tail end of the supporting screw is abutted against the stair bottom die 1.
Further, the load bearing pier 7 is shaped like an "L" with a first support arm arranged against the building wall and a second support arm laid on the building floor. The end faces of the first support arm and the second support arm are provided as bearing surfaces 701 inclined with respect to the horizontal plane, and the support screw 8 is connected to the bearing surfaces 701. Preferably, the bearing surface 701 is inclined at 45 ° to the horizontal. By adopting the technical scheme of the invention, the first support arm of the bearing pier 7 is arranged against the wall of the building, and the second support arm of the bearing pier 7 is paved on the floor of the building, so that the arrangement posture of the stair template takes the bearing pier 7 as a unified reference, the stair template has a stable posture and is shaped, and a foundation is laid for improving the concrete pouring quality.
In addition, a plug piece 11 is also clamped between the end face of the tail end of the supporting screw rod 9 and the stair bottom die 1. The tab element 11 preferably has an "L" shape. The outer surface of the insert piece 11 is wrapped with a rubber sleeve. The end face of the tail end of the supporting screw rod 9 is a conical surface, so that the end face of the tail end of the supporting screw rod 9 and the stair bottom die 1 still have adjustable allowance, and the stair template is convenient to adjust, so that the stair template has a stable gesture or shape.
In addition, the outer surface of the supporting screw cylinder 8 is fixedly connected with a torsion bar 12. The fixing plate 10 is mounted on the stair bottom die 1 by adopting a butterfly bolt 13. By adopting the technical scheme of the invention, the matching length of the supporting screw cylinder 8 and the supporting screw rod 9 is convenient to adjust by arranging the torsion bar 12, and the fixing plate can be more tightly connected with the stair bottom die 1 by using the butterfly bolt 13.
Further, at least one half of the hinge support 4 is embedded in a wall or floor of the building. The stair shell mold 2 is formed by alternately connecting a plurality of vertical shell molds and a plurality of horizontal shell molds end to end, and the outer surfaces of the adjacent vertical shell molds and the outer surfaces of the horizontal shell molds are connected together through diagonal bracing rods 14.
According to the technical scheme, the end face of the tail end of the supporting screw 9 is abutted against the stair bottom die 1 to support, the supporting posture or state of the stair template can be adjusted by adjusting the matching length of the supporting screw and the supporting screw cylinder, the end face of the tail end of the supporting screw is a conical surface, an inserting piece is clamped between the supporting screw and the stair bottom die, an adjustable clearance allowance is arranged between the supporting screw and the stair bottom die, the adjustment is convenient, a rubber sleeve wrapped on the inserting piece increases the friction resistance between the supporting screw and the stair bottom die, the supporting part of the supporting screw can be changed according to the impact of concrete in the casting process of concrete, the safety accident that the stair bottom die collapses due to local deformation is avoided, in addition, compared with a support, at least one half of the support is embedded into a building wall or a building floor, the stability of the whole supporting structure can be maintained, the sliding of a hinged support is prevented, and the casting molding quality of the final stair is guaranteed.
In addition, by adopting the technical scheme of the invention, the stair bottom die and the stair shell die are connected into a whole through the shaping cross rod, so that the stair template has a stable appearance shape, and the concrete pouring forming quality is improved.

Claims (4)

1.一种建筑物楼梯模板支承结构，其特征在于：所述楼梯模板包括楼梯底模(1)、楼梯壳模(2)和定型横杆(3)，所述楼梯底模(1)上下两端分别通过铰支座(4)连接于建筑物墙体和建筑物地板上，所述定型横杆(3)的一端铰接于所述铰支座(4)上，所述定型横杆(3)的另一端依次固定连接有支撑环(5)、螺接有锁紧螺母(6)，所述楼梯壳模(2)上下两端分别夹持于所述支撑环(5)与锁紧螺母(6)之间，所述建筑物楼梯模板支承结构包括承重墩(7)、支撑螺筒(8)、支撑螺杆(9)和固定板(10)，所述固定板(10)安装于所述楼梯底模(1)上，所述承重墩(7)布置于建筑物墙体与建筑物地板交界处，所述支撑螺筒(8)的一端与所述承重墩(7)可转动配合连接，所述支撑螺筒(8)的另一端与所述支撑螺杆(9)的一端螺接，所述支撑螺杆(9)的另一端与所述固定板(10)螺接并且其末端端面抵靠在所述楼梯底模(1)上；所述承重墩(7)外形为“L”字形，其具有第一支撑臂和第二支撑臂，第一支撑臂抵靠建筑物墙体布置，第二支撑臂铺设于建筑物地板上，所述第一支撑臂和第二支撑臂末端端面设置为相对于水平面倾斜的支承面(701)，所述支撑螺筒(8)连接于支承面(701)上，所述支承面(701)相对于水平面之间的倾角为45°；所述支撑螺杆(9)末端端面与所述楼梯底模(1)之间还夹塞有插片件(11)，所述插片件(11)的外形形状为“L”字形，所述插片件(11)外表面包裹有橡胶套。1. A building staircase formwork support structure, characterized in that: the staircase formwork comprises a staircase base formwork (1), a staircase shell formwork (2) and a shaping cross bar (3), the upper and lower ends of the staircase base formwork (1) are respectively connected to the building wall and the building floor through a hinge support (4), one end of the shaping cross bar (3) is hinged to the hinge support (4), the other end of the shaping cross bar (3) is sequentially fixedly connected to a support ring (5) and screwed with a locking nut (6), the upper and lower ends of the staircase shell formwork (2) are respectively clamped between the support ring (5) and the locking nut (6), the building staircase formwork support structure comprises a load-bearing pier (7), a support screw barrel (8), a support screw rod (9) and a fixing plate (10), the fixing plate (10) is installed on the staircase base formwork (1), the load-bearing pier (7) is arranged at the junction of the building wall and the building floor, one end of the support screw barrel (8) is connected to the load-bearing pier (7) ) are rotatably connected, the other end of the support screw barrel (8) is screwed to one end of the support screw rod (9), the other end of the support screw rod (9) is screwed to the fixing plate (10) and its end face abuts against the stair bottom mold (1); the load-bearing pier (7) is in the shape of an "L" letter, and comprises a first support arm and a second support arm, the first support arm is arranged against the wall of the building, and the second support arm is laid on the floor of the building, the end faces of the first support arm and the second support arm are arranged as a support surface (701) inclined relative to a horizontal plane, the support screw barrel (8) is connected to the support surface (701), and the inclination angle between the support surface (701) and the horizontal plane is 45°; an insert piece (11) is also sandwiched between the end face of the support screw rod (9) and the stair bottom mold (1), the outer shape of the insert piece (11) is in the shape of an "L" letter, and the outer surface of the insert piece (11) is wrapped with a rubber sleeve. 2.如权利要求1所述的一种建筑物楼梯模板支承结构，其特征在于：所述支撑螺筒(8)外表面还固定连接有扭杆(12)。2. A building staircase formwork support structure as described in claim 1, characterized in that a torsion rod (12) is also fixedly connected to the outer surface of the support screw barrel (8). 3.如权利要求1所述的一种建筑物楼梯模板支承结构，其特征在于：所述固定板(10)是通过采用蝶形螺栓(13)安装于所述楼梯底模(1)上的。3. A building staircase formwork support structure as described in claim 1, characterized in that the fixing plate (10) is installed on the staircase bottom formwork (1) by using butterfly bolts (13). 4.如权利要求1所述的一种建筑物楼梯模板支承结构，其特征在于：所述铰支座(4)至少有一半形体嵌埋于建筑物墙体内或建筑物地板内。4. A building staircase formwork support structure as claimed in claim 1, characterized in that at least half of the hinge support (4) is embedded in the building wall or the building floor.
CN202010617294.8A 2020-06-30 2020-06-30 A building staircase formwork supporting structure Active CN111622502B (en)

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CN111622502B true CN111622502B (en) 2024-12-10

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035541A (en) * 2017-12-25 2018-05-15 宁波二十冶建设有限公司 A kind of staircase shaping template and construction method
CN208056586U (en) * 2018-03-22 2018-11-06 扬州旭乐基脚手架有限公司 A kind of stair type aluminium alloy scaffold
CN210086819U (en) * 2019-05-05 2020-02-18 远扬控股集团有限公司 Stair template for building construction
CN212388987U (en) * 2020-06-30 2021-01-22 贵州建工集团第一建筑工程有限责任公司 A kind of building stair formwork support structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100298629B1 (en) * 1999-02-13 2001-09-26 이치명 Method for constructing the stairway of a building and precasting finishing materials
KR101362345B1 (en) * 2013-04-02 2014-02-13 신영산업개발 주식회사 Stairway form fixing tool
CN203475828U (en) * 2013-09-18 2014-03-12 五矿二十三冶建设集团有限公司 Totally closed stair formwork for cast-in-situ stair construction
CN106121224A (en) * 2016-08-15 2016-11-16 五矿二十三冶建设集团有限公司 The totally-enclosed stair template of aluminium alloy
CN209025435U (en) * 2018-08-29 2019-06-25 青建集团股份公司 A kind of concreting is marked time stair template with assembled

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108035541A (en) * 2017-12-25 2018-05-15 宁波二十冶建设有限公司 A kind of staircase shaping template and construction method
CN208056586U (en) * 2018-03-22 2018-11-06 扬州旭乐基脚手架有限公司 A kind of stair type aluminium alloy scaffold
CN210086819U (en) * 2019-05-05 2020-02-18 远扬控股集团有限公司 Stair template for building construction
CN212388987U (en) * 2020-06-30 2021-01-22 贵州建工集团第一建筑工程有限责任公司 A kind of building stair formwork support structure

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