CN112360132A - Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment - Google Patents

Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment Download PDF

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Publication number
CN112360132A
CN112360132A CN202011330946.6A CN202011330946A CN112360132A CN 112360132 A CN112360132 A CN 112360132A CN 202011330946 A CN202011330946 A CN 202011330946A CN 112360132 A CN112360132 A CN 112360132A
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CN
China
Prior art keywords
shaped
steel
floor slab
overhanging
sleeve
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Pending
Application number
CN202011330946.6A
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Chinese (zh)
Inventor
贾建娥
张博旭
张华雄
雷秀清
杨桦
胡爱保
蔡建瑞
韩涛
牛李涛
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Shanxi Sanjian Group Co Ltd
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Shanxi Sanjian Group Co Ltd
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Application filed by Shanxi Sanjian Group Co Ltd filed Critical Shanxi Sanjian Group Co Ltd
Priority to CN202011330946.6A priority Critical patent/CN112360132A/en
Publication of CN112360132A publication Critical patent/CN112360132A/en
Pending legal-status Critical Current

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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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions

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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)

Abstract

The invention discloses a clamping and fixing mechanism for a reusable overhanging I-shaped steel, which solves the problem of steel waste caused by the fact that the existing clamping and fixing mechanism for the overhanging I-shaped steel cannot be reused. Pre-burying a U-shaped sleeve (5) made of PVC material for a U-shaped clamp ring to movably penetrate in poured floor slab concrete, fixing a bamboo plywood on a binding reinforcing steel bar of a floor slab, fixing the U-shaped sleeve (5) on the bamboo plywood through a steel nail, placing overhanging I-shaped steel on the floor slab above the pre-buried U-shaped sleeve (5) when a cantilever frame is installed, penetrating the U-shaped clamp ring out from the lower direction of the floor slab, clamping the U-shaped clamp ring on the overhanging I-shaped steel, and sealing and fixing an upper port of the U-shaped clamp ring through a steel plate sealing head piece and a nut; when the overhanging I-steel needs to be disassembled, the U-shaped snap ring can be taken out for reuse only by detaching the upper port closed fixing nut of the U-shaped snap ring. The cyclic utilization of the U-shaped snap ring is realized.

Description

Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment
Technical Field
The invention relates to an overhanging scaffold, in particular to a clamping and fixing mechanism and a fixing method for overhanging I-shaped steel in the overhanging scaffold.
Background
In the civil construction of most high-rise residences, an overhanging scaffold is generally selected to be erected, the scaffold is used for hanging a safety protection net or used as an operation platform for outer wall operation, the scaffold erected at the low-rise position needs to be dismantled in the continuous rising of the pouring floors of the buildings, the overhanging scaffold is erected again at the high-rise position, a safety net is hung, and the process is circulated until the civil construction of the whole high-rise residence main body is completed, and the overhanging scaffold is dismantled; the existing overhanging scaffold is composed of an I-shaped steel which is arranged on the outer side of an overhanging floor main body on a floor structural plate and a frame body which is arranged at the overhanging outer end of the I-shaped steel, and the weight of the whole overhanging scaffold is borne by the overhanging I-shaped steel; therefore, the inner side end of the cantilever I-steel needs to be firmly fixed on the floor plate to ensure the stability and safety of the cantilever frame; the existing structure process of the clamping and fixing mechanism of the overhanging I-shaped steel is as follows: firstly, processing reinforcing steel bars into an omega shape, binding an omega-shaped prefabricated member on corresponding reinforcing steel bars of a floor plate on which a reinforcing mesh is bound according to the future installation position of overhanging I-shaped steel when the floor plate is cast, then casting floor plate concrete, fixing the omega-shaped prefabricated member in the floor plate after the cast concrete is solidified, exposing the top end of the omega-shaped prefabricated member on the plate surface of the floor plate, inserting the inner side end of the overhanging I-shaped steel into an omega-shaped clamping ring of the omega-shaped prefabricated member, overhanging the outer side end of the overhanging I-shaped steel out of a floor main body, hanging a safety net, and firmly clamping and fixing the overhanging I-shaped steel by the pre-embedded omega-shaped prefabricated member; in the construction process of the clamping and fixing mechanism for the overhanging I-beam, because the binding of the omega-shaped prefabricated member is not firm, or because the impact pressure is overlarge during concrete pouring, the pre-bound omega-shaped prefabricated member is often deviated in position, and when the overhanging I-beam is fixedly installed subsequently, the pre-embedded omega-shaped prefabricated member is found to be wrong in position and cannot be used, and the overhanging I-beam can only be scrapped; in addition, when the scaffold is dismantled, only the overhanging I-steel is dismantled in the prior art, the omega-shaped prefabricated member embedded in the concrete cannot be recycled, the exposed end of the prefabricated member is cut off on site, and after the prefabricated member is cut off, the exposed surface of the omega-shaped prefabricated member needs to be subjected to rust prevention treatment to ensure the quality of a floor slab.
Disclosure of Invention
The invention provides a clamping and fixing mechanism for a reusable overhanging I-shaped steel, which solves the technical problem of steel waste caused by the fact that the existing clamping and fixing mechanism for the overhanging I-shaped steel cannot be reused.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: pre-burying a U-shaped sleeve (5) made of PVC material for a U-shaped clamp ring to movably penetrate in poured floor slab concrete, fixing a bamboo plywood on a binding reinforcing steel bar of a floor slab, fixing the U-shaped sleeve (5) on the bamboo plywood through a steel nail, placing overhanging I-shaped steel on the floor slab above the pre-buried U-shaped sleeve (5) when a cantilever frame is installed, penetrating the U-shaped clamp ring out from the lower direction of the floor slab, clamping the U-shaped clamp ring on the overhanging I-shaped steel, and sealing and fixing an upper port of the U-shaped clamp ring through a steel plate sealing head piece and a nut; when the overhanging I-steel needs to be disassembled, the U-shaped snap ring can be taken out for reuse only by detaching the upper port closed fixing nut of the U-shaped snap ring.
A reusable clamping and fixing mechanism for overhanging I-beams comprises a concrete pouring floor slab (1) and overhanging I-beams (2), wherein U-shaped sleeves (5) made of PVC materials are pre-embedded in the concrete pouring floor slab (1), grooves (16) are formed in the bottom end faces of U-shaped bends of the U-shaped sleeves (5), the grooves (16) are communicated with two straight pipes of the U-shaped sleeves (5), two top end ports of the U-shaped sleeves (5) are formed in the top faces of the concrete pouring floor slab (1), the grooves (16) in the bottom end faces of the U-shaped sleeves (5) are formed in the bottom end faces of the concrete pouring floor slab (1), U-shaped clamping rings (6) are movably inserted in the U-shaped sleeves (5), screw threads (7) are arranged on top end columns with two openings of the U-shaped clamping rings (6), and the concrete pouring floor slab (1) between the two top end ports of the U-shaped sleeves (5), the cantilever I-shaped steel (2) is arranged, the cantilever I-shaped steel (2) is connected to the U-shaped snap ring (6) in a clamped mode, steel plate end sealing pieces (10) penetrate through two open top end columns of the U-shaped snap ring (6) above the cantilever I-shaped steel (2), nuts (8) are screwed on the two open top end columns of the U-shaped snap ring (6) above the steel plate end sealing pieces (10), and a wood ridge filling pad (9) is arranged between the steel plate end sealing pieces (10) and the cantilever I-shaped steel (2).
A sleeve base (12) is arranged on the outer side surface of the U-shaped sleeve (5), and a steel nail through hole (13) is arranged on the sleeve base (12); bamboo plywood (15) is bound and fixed on floor slab reinforcing steel bars of a concrete pouring floor slab (1) at the pre-buried position of the U-shaped sleeve (5), and the U-shaped sleeve (5) is fixedly arranged on the bamboo plywood (15) through a steel nail through hole (13) by a steel nail (14); the steel plate head sealing piece (10) is a strip plate, and a pair of through holes (11) of U-shaped clamping end posts are arranged on the strip plate.
The utility model provides a joint fixed method of I-steel encorbelments, makes U-shaped sleeve pipe (5) of PVC material, and the height of U-shaped sleeve pipe (5) equals the thickness of concrete placement floor board (1), is provided with sleeve pipe base (12) on the lateral surface of U-shaped sleeve pipe (5), is provided with recess (16) on the bottom face of U-shaped sleeve pipe (5), and recess (16) are in the same place with two straight tubes intercommunication of U-shaped sleeve pipe (5), its characterized in that following step:
firstly, determining the mounting position of the overhanging I-shaped steel on a reinforcing steel bar net in a floor plate of a concrete pouring floor plate (1), and binding and fixing a bamboo rubber plate (15) on the mounting position of the overhanging I-shaped steel;
secondly, fixing the manufactured U-shaped sleeve (5) on a bamboo plywood (15) by using a steel nail (14), pouring floor slab concrete, arranging two top end openings of the U-shaped sleeve (5) on the upper top surface of a concrete pouring floor slab (1), and arranging a groove (16) on the bottom end surface of the U-shaped sleeve (5) on the bottom end surface of the concrete pouring floor slab (1);
thirdly, when the cantilever frame is built, placing the cantilever I-shaped steel (2) between two top end openings of a U-shaped sleeve (5) on the upper top surface of a concrete pouring floor slab (1), penetrating and connecting a U-shaped clamp ring (6) into the U-shaped sleeve (5) from bottom to top from the lower bottom surface of the concrete pouring floor slab (1), enabling the U-shaped bend of the U-shaped clamp ring (6) to enter a groove (16) on the bottom end surface of the U-shaped sleeve (5), placing a wood ridge filling pad (9) on the upper top surface of the cantilever I-shaped steel (2), then sleeving a steel plate end sealing piece (10) on two open top end columns of the U-shaped clamp ring (6), and screwing a nut (8) onto a screw thread (7) on the open top end column of the U-shaped clamp ring (6);
and fourthly, when the cantilever frame is disassembled, taking down the nut (8) from the two open top posts of the U-shaped clamping ring (6), taking down the steel plate end sealing piece (10) from the two open top posts of the U-shaped clamping ring (6), knocking the U-shaped clamping ring (6) downwards, and taking out the U-shaped clamping ring (6) from the lower bottom surface of the concrete pouring floor plate (1) for next use.
The invention is particularly suitable for the erection of the externally-suspended scaffold in the construction of high-rise residences, has convenient and rapid construction, saves time, labor and materials, improves the engineering quality, accelerates the construction progress and realizes the turnover utilization of the U-shaped snap ring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the U-shaped casing (5) of the present invention;
FIG. 3 is a schematic view of the U-shaped sleeve (5) of the present invention in a bottom view;
FIG. 4 is a view showing the connection between the U-shaped casing (5) and the bamboo plywood (15) according to the present invention;
FIG. 5 is a schematic structural view of a U-shaped snap ring (6) of the present invention;
FIG. 6 is a schematic structural view of the steel plate end closure (10) of the present invention;
fig. 7 is a schematic structural view of the overhanging i-beam (2) provided on the concrete-cast floor slab (1) of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a reusable clamping and fixing mechanism for overhanging I-beams comprises a concrete pouring floor slab (1) and overhanging I-beams (2), wherein U-shaped sleeves (5) made of PVC materials are pre-embedded in the concrete pouring floor slab (1), grooves (16) are formed in the bottom end faces of U-shaped bends of the U-shaped sleeves (5), the grooves (16) are communicated with two straight pipes of the U-shaped sleeves (5), two top end ports of the U-shaped sleeves (5) are formed in the top faces of the concrete pouring floor slab (1), the grooves (16) in the bottom end faces of the U-shaped sleeves (5) are formed in the bottom end faces of the concrete pouring floor slab (1), U-shaped clamping rings (6) are movably inserted in the U-shaped sleeves (5), screw threads (7) are arranged on top end columns with two openings of the U-shaped clamping rings (6), and the concrete pouring floor slab (1) between the two top end ports of the U-shaped sleeves (5), the cantilever I-shaped steel (2) is arranged, the cantilever I-shaped steel (2) is connected to the U-shaped snap ring (6) in a clamped mode, steel plate end sealing pieces (10) penetrate through two open top end columns of the U-shaped snap ring (6) above the cantilever I-shaped steel (2), nuts (8) are screwed on the two open top end columns of the U-shaped snap ring (6) above the steel plate end sealing pieces (10), and a wood ridge filling pad (9) is arranged between the steel plate end sealing pieces (10) and the cantilever I-shaped steel (2).
A sleeve base (12) is arranged on the outer side surface of the U-shaped sleeve (5), and a steel nail through hole (13) is arranged on the sleeve base (12); bamboo plywood (15) is bound and fixed on floor slab reinforcing steel bars of a concrete pouring floor slab (1) at the pre-buried position of the U-shaped sleeve (5), and the U-shaped sleeve (5) is fixedly arranged on the bamboo plywood (15) through a steel nail through hole (13) by a steel nail (14); the steel plate head sealing piece (10) is a strip plate, and a pair of through holes (11) of U-shaped clamping end head columns are arranged on the strip plate; the bamboo plywood (15) can effectively resist the impact force of the poured concrete, and in addition, the steel nails (14) also play a role in firmly fixing the U-shaped sleeves (5).
The utility model provides a joint fixed method of I-steel encorbelments, makes U-shaped sleeve pipe (5) of PVC material, and the height of U-shaped sleeve pipe (5) equals the thickness of concrete placement floor board (1), is provided with sleeve pipe base (12) on the lateral surface of U-shaped sleeve pipe (5), is provided with recess (16) on the bottom face of U-shaped sleeve pipe (5), and recess (16) are in the same place with two straight tubes intercommunication of U-shaped sleeve pipe (5), its characterized in that following step:
firstly, determining the mounting position of the overhanging I-shaped steel on a reinforcing steel bar net in a floor plate of a concrete pouring floor plate (1), and binding and fixing a bamboo rubber plate (15) on the mounting position of the overhanging I-shaped steel;
secondly, fixing the manufactured U-shaped sleeve (5) on a bamboo plywood (15) by using a steel nail (14), pouring floor slab concrete, arranging two top end openings of the U-shaped sleeve (5) on the upper top surface of a concrete pouring floor slab (1), and arranging a groove (16) on the bottom end surface of the U-shaped sleeve (5) on the bottom end surface of the concrete pouring floor slab (1);
thirdly, when the cantilever frame is built, placing the cantilever I-shaped steel (2) between two top end openings of a U-shaped sleeve (5) on the upper top surface of a concrete pouring floor slab (1), penetrating and connecting a U-shaped clamp ring (6) into the U-shaped sleeve (5) from bottom to top from the lower bottom surface of the concrete pouring floor slab (1), enabling the U-shaped bend of the U-shaped clamp ring (6) to enter a groove (16) on the bottom end surface of the U-shaped sleeve (5), placing a wood ridge filling pad (9) on the upper top surface of the cantilever I-shaped steel (2), then sleeving a steel plate end sealing piece (10) on two open top end columns of the U-shaped clamp ring (6), and screwing a nut (8) onto a screw thread (7) on the open top end column of the U-shaped clamp ring (6);
and fourthly, when the cantilever frame is disassembled, taking down the nut (8) from the two open top posts of the U-shaped clamping ring (6), taking down the steel plate end sealing piece (10) from the two open top posts of the U-shaped clamping ring (6), knocking the U-shaped clamping ring (6) downwards, and taking out the U-shaped clamping ring (6) from the lower bottom surface of the concrete pouring floor plate (1) for next use.
The concrete pouring floor slab is characterized in that three clamping and fixing mechanisms for the overhanging I-shaped steel are generally arranged on the concrete pouring floor slab (1), namely a clamping and fixing mechanism (3) close to the outer side surface of a floor main body and two clamping and fixing mechanisms (4) at the inner side end of the cantilever I-shaped steel, the three clamping and fixing mechanisms are identical in structure, and the overhanging I-shaped steel (2) is firmly fixed on the concrete pouring floor slab (1).

Claims (2)

1. A reusable clamping and fixing mechanism for overhanging I-beams comprises a concrete pouring floor slab (1) and overhanging I-beams (2), and is characterized in that a U-shaped sleeve (5) made of PVC is pre-embedded in the concrete pouring floor slab (1), a groove (16) is arranged on the bottom end face of a U-shaped bend of the U-shaped sleeve (5), the groove (16) is communicated with two straight pipes of the U-shaped sleeve (5), two top ports of the U-shaped sleeve (5) are arranged on the top face of the concrete pouring floor slab (1), the groove (16) on the bottom end face of the U-shaped sleeve (5) is arranged on the bottom end face of the concrete pouring floor slab (1), a U-shaped snap ring (6) is movably inserted in the U-shaped sleeve (5), two open top end columns of the U-shaped snap ring (6) are provided with screw threads (7), and the concrete pouring floor slab (1) between the two top ports of the U-shaped sleeve (5) is provided with the screw threads, the cantilever I-shaped steel (2) is arranged, the cantilever I-shaped steel (2) is connected to the U-shaped snap ring (6) in a clamped mode, steel plate end sealing pieces (10) penetrate through two open top end columns of the U-shaped snap ring (6) above the cantilever I-shaped steel (2), nuts (8) are screwed on the two open top end columns of the U-shaped snap ring (6) above the steel plate end sealing pieces (10), and a wood ridge filling pad (9) is arranged between the steel plate end sealing pieces (10) and the cantilever I-shaped steel (2).
2. The clamping and fixing mechanism for the reusable overhanging I-steel according to claim 1, wherein a sleeve base (12) is arranged on the outer side surface of the U-shaped sleeve (5), and a steel nail through hole (13) is arranged on the sleeve base (12); bamboo plywood (15) is bound and fixed on floor slab reinforcing steel bars of a concrete pouring floor slab (1) at the pre-buried position of the U-shaped sleeve (5), and the U-shaped sleeve (5) is fixedly arranged on the bamboo plywood (15) through a steel nail through hole (13) by a steel nail (14); the steel plate head sealing piece (10) is a strip plate, and a pair of through holes (11) of U-shaped clamping end posts are arranged on the strip plate.
CN202011330946.6A 2020-11-24 2020-11-24 Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment Pending CN112360132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011330946.6A CN112360132A (en) 2020-11-24 2020-11-24 Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011330946.6A CN112360132A (en) 2020-11-24 2020-11-24 Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment

Publications (1)

Publication Number Publication Date
CN112360132A true CN112360132A (en) 2021-02-12

Family

ID=74533961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011330946.6A Pending CN112360132A (en) 2020-11-24 2020-11-24 Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment

Country Status (1)

Country Link
CN (1) CN112360132A (en)

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