CN220928708U - Closed stair template construction structure - Google Patents

Abstract

Closed stair template construction structures relates to the building engineering field. Comprises an epithelium template component, a bottom die and a zigzag side die; the L-shaped epithelial template component consists of a horizontal step template and a vertical step template, and the vertical step template and the horizontal step template are in right-angle butt joint; the upper skin template components are sequentially connected from top to bottom to form a stepped bench upper template; the bottom die, the zigzag side die and the bench upper die plate are connected to form a bench die plate structure of a closed structure; the upper edge of the upper template of the stepped bench is provided with a feed inlet; two pairs of steel pipes are arranged above the bench upper template, the steel pipes are longitudinally arranged above the bench upper template, and each pair of steel pipes is connected with the horizontal stepping template through a split bolt. The utility model solves the problems that the continuous construction cannot be carried out and the time and labor are wasted in the existing stair concrete pouring process; and the stairs are taken as a material conveying passage port, the past personnel are concentrated, the finished products are extremely easy to damage, the stair steps are in a missing edge and a falling angle, and the stair is provided with a hollowed footprint, so that the problem of the stair finished products cannot be protected.

Description

Closed stair template construction structure

Technical Field

The utility model relates to the field of constructional engineering, in particular to an improved technology of a stair concrete pouring template.

Background

In the process of pouring stair concrete, the stair tread concrete has fluidity, and in the process of pouring, the concrete is easy to flow out of the template under the action of gravity, so that the stair concrete pouring is intermittent, continuous construction can not be carried out, and time and labor are wasted; the stair part is provided with a passage opening for people and materials, so that the passing people are concentrated, and the finished product is easily damaged; the problem of missing edges and falling corners of stair steps and the footprint of pits after the mold is removed is the great difficulty in protecting the stair finished product.

Disclosure of utility model

The utility model provides a closed type stair formwork construction structure, which solves the problems that in the existing stair concrete pouring process, concrete is easy to flow out of a formwork, so that the stair concrete pouring is intermittent, continuous construction cannot be performed, and time and labor are wasted. The utility model also solves the problems that after the stair is poured in the prior art, the stair is used as a material conveying passage port, the past personnel are concentrated, the finished product is easily damaged, the stair steps are in missing edges and corners, the hollow footmarks are formed, and the finished product of the stair cannot be protected.

In order to solve the problems, the utility model adopts the following technical scheme: the closed stair template construction structure comprises an epithelium template component 2, a bottom die 6 and a zigzag side die 7; the L-shaped upper skin template component 2 consists of a horizontal step template 22 and a vertical step template 23, the vertical step template 23 and the horizontal step template 22 are in right-angle butt joint, square timber 3 is respectively arranged at the upper edge and the lower edge of the outer side of the vertical step template 23, the horizontal step template 22 and the vertical step template 23 are respectively nailed on the timber, the upper skin template component 2 is sequentially connected from top to bottom to form a stepped bench upper template, and the butt joint positions of the two upper skin template components 2 are nailed on the square timber 3; the bottom die 6 is arranged below the bench upper die plate, the zigzag side dies 7 are respectively arranged on two sides of the bench upper die plate, the zigzag edges of the zigzag side dies 7 are connected with the side edges of the bench upper die plate in a stepped manner, and the left side and the right side of the bottom die 6 are connected with the lower side edges of the zigzag side dies 7 in a manner of being connected through steel nails; the bottom die 6, the zigzag side die 7 and the bench upper die plate are connected to form a bench die plate structure with a closed structure; the upper edge of the upper template of the stepped bench is provided with a feed inlet 9; two pairs of steel pipes 5 are arranged above the bench upper template, the steel pipes 5 are longitudinally arranged above the bench upper template, and each pair of steel pipes 5 is connected with a horizontal stepping template 22 through a split bolt 4.

Further, the closed stair template construction structure of the utility model has the following characteristics: the zigzag side mold 7 is provided with side vent holes 71, and the horizontal tread mold plates 22 of every 1 or 2 sections of stairs are provided with upper vent holes 21.

Further, the closed stair template construction structure of the utility model has the following characteristics: one side exhaust hole 71 is provided every 1 or 2 serrations;

Further, the closed stair template construction structure of the utility model has the following characteristics: 2 or 3 upper exhaust holes 21 are arranged on the same horizontal stepping template 22.

Further, the closed stair template construction structure of the utility model has the following characteristics: a support keel is arranged below the bottom die 6 and consists of a secondary keel 11 and a main keel 10, and the secondary keel 11 is transversely arranged and connected with the bottom die 6 through steel nails; a main keel 10 is longitudinally arranged below the secondary keel 11, and the main keel 10 is connected with the secondary keel 11 through a split bolt 4; a steel pipe vertical rod 8 is arranged below a main keel 10, the upper end of the steel pipe vertical rod 8 is supported between a pair of steel pipes of the main keel 10, and the lower end of the steel pipe vertical rod 8 is supported on a bench of a lower floor.

Aiming at the defects of the prior art, the technology is invented through a large number of engineering experiments. In engineering experiments, the technology has good use effect and great popularization and application value.

The utility model has the advantages that:

1. The closed stair templates are adopted, so that the problems in the prior art can be thoroughly solved. The method not only effectively protects the finished stair product in the construction process, but also can prevent the time of boarding from being influenced by the solidification speed of the concrete.

2. In the concrete pouring process, the concrete does not need to overflow the template, and the concrete can be continuously poured in place at one time, so that the labor and time are saved.

3. The bench template of the closed structure of the stair can realize continuous pouring, after one-step forming, pouring after finishing bench forming, continuous construction and labor hour saving.

4. After the stair is poured, the template is not removed, so that the stair can be used as a material conveying passage port, the stair steps are not damaged, and the quality of a stair finished product meets the requirements.

Drawings

FIG. 1 is a side, top, perspective view of the present utility model;

FIG. 2 is a side, bottom perspective view of the present utility model;

FIG. 3 is a cross-sectional view of an epithelial template member;

FIG. 4 is a schematic view of the construction of the bench cope match-plate pattern;

FIG. 5 is a schematic illustration of the mounting structure of a split bolt for connecting a steel pipe to a horizontal stepping form.

The symbols in the drawings illustrate: an upper floor section A, a lower floor section B, a concrete floor 1, an upper skin template member 2, an upper exhaust hole 21, a horizontal stepping template 22, a vertical stepping template 23, square lumber 3, split bolts 4, steel pipes 5, a bottom die 6, a zigzag side die 7, side exhaust holes 71, steel pipe vertical rods 8, a feed inlet 9, a main keel 10 and a secondary keel 11.

Description of the embodiments

The present utility model will be described in detail with reference to preferred embodiments.

As shown in fig. 1 to 5, the closed stair template construction structure comprises an epithelium template member 2, a bottom die 6 and a zigzag side die 7; the L-shaped epithelial template member 2 is composed of a horizontal step template 22 and a vertical step template 23, the vertical step template 23 and the horizontal step template 22 are butted to form a right angle and are connected at edges, square timber 3 is respectively arranged at the upper edge and the lower edge of the outer side of the vertical step template 23, the square timber 3 adopts 40X 85mm square timber, the horizontal step template 22 and the vertical step template 23 are respectively nailed on the timber to form the epithelial template member 2, the epithelial template member 2 is sequentially connected from top to bottom to form a stepped bench upper template, and the butted positions of the two epithelial template members 2 are nailed on the square timber 3; a bottom die 6 is arranged below the bench upper die plate, and two sides of the bottom die are respectively provided with a zigzag side die 7, and the zigzag of the zigzag side die 7 corresponds to the stepped shape of the side edge of the bench upper die plate; the left side and the right side of the bottom die 6 are connected with the lower side of the zigzag side die 7, the left side and the right side of the bench upper die plate are connected with the zigzag side of the zigzag side die 7, and the connection mode can be realized through steel nails; the bottom die 6, the zigzag side die 7 and the bench upper die plate are connected to form a bench die plate structure with a closed structure; the upper edge of the upper template of the stepped bench is provided with a feed inlet 9.

The sawtooth-shaped side die 7 is provided with side vent holes 71, and one side vent hole 71 is arranged at each interval of one or two sawteeth; the upper vent holes 21 are arranged on the horizontal stepping templates 22 of each section or two sections of sections on the upper template of the section, and 2 or 3 upper vent holes 21 are arranged on the same horizontal stepping template 22. Two pairs of steel pipes 5 are arranged above the bench upper template, the steel pipes 5 are longitudinally arranged above the bench upper template, the steel pipes 5 are phi 48 multiplied by 3.5mm steel pipes, and the steel pipes 5 are connected with the horizontal stepping template 22 through split bolts 4.

The lower part of the bottom die 6 is provided with a supporting keel, the supporting keel is composed of an auxiliary keel 11 and a main keel 10, the auxiliary keel 11 is made of square timber with the diameter of 40 multiplied by 85mm, and the main keel 10 is made of two pairs of steel pipes with the diameter of 48 multiplied by 3.5 mm. The cross runner 11 is transversely arranged and connected with the bottom die 6 through steel nails; a main keel 10 is longitudinally arranged below the secondary keel 11, the main keel 10 is connected with the secondary keel 11 through a split bolt 4, and the connection mode is the same as that of the steel pipe 5 and the horizontal step template 22. A steel pipe vertical rod 8 is arranged below a main keel 10, the upper end of the steel pipe vertical rod 8 is supported between a pair of steel pipes of the main keel 10, and the lower end of the steel pipe vertical rod 8 is supported on a bench of a lower floor.

The construction method adopting the utility model has the following characteristics:

1. the surfaces of the two sides, the upper side and the front side of the stair step are made into an upper skin template component, a bottom die and a zigzag side die by adopting a cladding wood plywood to form a closed structure. After the reinforcement of the stair section is finished, the templates are installed and reinforced in place, so that people can go above the stair section conveniently, and the stair reinforcement is effectively protected.

2. After the bench template of the closed structure is completed, the stair concrete can be poured continuously and formed at one time. After concrete is compacted, the concrete is not required to be rubbed and leveled manually, so that the labor is saved;

3. In the concrete pouring process, the closed template prevents the concrete from overflowing, saves materials and cleaning labor, and improves the construction speed;

4. the closed stair template prevents the steel bars and the concrete from being directly exposed, effectively protects the stair finished product, saves repair labor and has attractive and elegant appearance.

5. The closed stair template is disassembled, the stair bottom die and the side die are disassembled, the upper surface stepping closed template is not disassembled, the stair finished product can be effectively protected, repeated construction is avoided, and the protection labor of the finished product is saved.

The application range is as follows: the utility model is suitable for high-rise and super-high-rise buildings with more standard floors and 3 m high floor height (when the floor height exceeds 3 m, a feed inlet is needed to be reserved in the middle of a bench template), or residential areas with a plurality of same buildings.

The process principle is as follows: according to the stair step width and height, making zigzag side forms, wherein the horizontal step plate and the vertical step plate form L-shaped upper skin template components, the lengths of the components are measured according to the step length, then according to the stair step number, a plurality of L-shaped template components are assembled into stair-shaped templates, and the upper skin template, the side forms and the bottom die form a closed stair template. When concrete is poured, the uppermost end of the stairs and the flat templates of the floors are connected and provided with feed inlets for pouring concrete, and each step of the horizontal stepping plates and the side templates are provided with exhaust holes for discharging air in the templates.

The construction process comprises the following steps: paving a ladder plate, reinforcing, binding ladder plate steel bars, cleaning ladder beam garbage, bouncing stair side mold lines, manufacturing a pedal plate, manufacturing a toothed side mold, installing the pedal plate, primarily reinforcing, integrally reinforcing, reserving exhaust holes and pouring concrete.

The operation measures are as follows: (1) Paving a stair plate, reinforcing, determining the inclined length and width of the stair according to the requirements of a design drawing, and cutting and processing the wood template according to the actual condition of the site. The prior art is characterized in that holes are reserved in advance according to the scheme requirement for reinforcing the split bolts which are used when the stair templates are integrally reinforced, the aperture is 12mm, the ordinate positions of the reserved holes are one hole which is arranged at intervals of 700mm along the inclined long direction of the stair plates from the contact opening of the stair beams and the stair plates, and the abscissa positions of the 2 reserved holes are one hole which is arranged at intervals of 700mm respectively at intervals of 300mm away from the edge of each stair plate, and each hole is 2 holes. The stair beam and the tread template of the stair room are 15mm thick multilayer plates, the main joist is made of 2 phi 48 multiplied by 3.5 steel pipes, and the horizontal spacing is 800mm; the secondary joists are made of square timber with the spacing of 150mm and the length of 40X 85 mm. The supporting system adopts a fastener type steel pipe bracket, and the distance between the vertical rods is 900mm.

When the stair tread is laid, the stair tread supporting system is reinforced firstly, a 40X 85mm standard batten is adopted as a secondary keel and added with a fastener type steel pipe combination for diagonal bracing, the batten (secondary keel) swings to be horizontally arranged along the inclined length of the stair tread, a batten is arranged at a distance of 400mm from the start of the stair tread, the steel pipe supporting angle and the stair tread bottom surface are preferably 90 degrees, the supporting steel pipe footing is contacted with the stair tread of the lower layer stair (namely, the supporting steel pipe is supported at the joint corner position of the horizontal stair tread and the vertical stair tread), the supporting steel pipe contacted with the jackscrew adopts a2 phi 48X 3.5 steel pipe to be combined and also used as the integral reinforcing supporting main keel of the stair, and when the diagonal bracing is reinforced, 2 jackscrews are matched for each 2 steel pipes.

(2) Binding ladder plate reinforcing bars, cleaning ladder beam garbage, and popularizing stair side mold lines, wherein the ladder plate reinforcing bar binding procedure is inserted after the ladder plate mold plate installation and reinforcement procedure is completed, the garbage at the bottom of the lower opening ladder beam is cleaned immediately after the binding procedure is completed, then the stair ladder plate is paid off according to the design drawing requirement, and the cotton threads are used for tensioning wires so as to control errors caused during the step mold plate installation.

(3) Manufacturing a tread plate and reserving a toothed shear wall template, and carrying out advanced blanking and processing on a horizontal tread plate, a vertical tread plate, a shear wall (frame beam) and a stair side die toothed reserved plate according to the requirements of a design drawing. In this step, special care should be taken to subtract the template thickness and determine the manner in which the horizontal tread plate and the vertical tread plate are interconnected.

(4) When the tread is installed, the first vertical tread at the lower opening of the stair is firstly installed, then the first horizontal tread is installed, and so on, the iron nails are used for preliminary fixing during installation, and the consumption of the iron nails is used for ensuring that the tread is manually pushed and cannot swing at will.

(5) The method comprises the steps of integrally reinforcing, leaving exhaust holes, and integrally reinforcing after the step plate mounting and reinforcing process is finished, wherein the step plate is firstly required to be placed on the horizontal step plate surface of each ladder according to the gradient of the step plate of different stairs before integrally reinforcing, the step plate is required to be horizontally placed, and the relative positions of the edge of the step plate and the edge of the step plate are required to be determined according to the gradient of the stairs. After the batten is fixed, the electric drilling machine is used for drilling the tread plate, and in view of the fact that the previous working procedure is performed on the bottom of the stair plate, the tread plate can be perforated from bottom to top by utilizing the hole, the direction of the electric drilling machine drill bit is perpendicular to the inclined long direction of the stair, the hole diameter is 12mm, after the drilling working procedure is completed, the split bolt is inserted into the reserved hole to be matched with 4 steel pipes with the length of 6 meters, and the whole stair is reinforced along the two sides of the split bolt along the inclined plate direction of the stair. After the whole reinforcement is finished, vent holes are reserved on the tread plates, the vent holes are arranged on the horizontal tread plates, and 3-5 vent holes are arranged on each tread.

The key points of construction are as follows: the closed stairway must be provided with an exhaust hole, and the position of the exhaust hole must be provided on the horizontal step plate. Drilling is carried out after the step plate is installed and reinforced so as to avoid overlapping of the battens and the exhaust holes.

Claims (5)

1. The closed stair template construction structure is characterized by comprising an epithelium template component, a bottom die and a zigzag side die; the L-shaped upper skin template component consists of a horizontal step template and a vertical step template, the vertical step template and the horizontal step template are in right-angle butt joint, square timber is respectively arranged at the upper edge and the lower edge of the outer side of the vertical step template, the horizontal step template and the vertical step template are respectively nailed on the timber, the upper skin template component is sequentially connected from top to bottom to form a stepped bench upper template, and the butt joint positions of the two upper skin template components are nailed on the square timber; the bottom die is arranged below the bench upper die plate, the zigzag side dies are respectively arranged on two sides of the bench upper die plate, the zigzag edges of the zigzag side dies are connected with the side edges of the bench upper die plate in a stepped manner, and the left side and the right side of the bottom die are connected with the lower side edges of the zigzag side dies in a manner of being connected through steel nails; the bottom die, the zigzag side die and the bench upper die plate are connected to form a bench die plate structure of a closed structure; the upper edge of the upper template of the stepped bench is provided with a feed inlet; two pairs of steel pipes are arranged above the bench upper template, the steel pipes are longitudinally arranged above the bench upper template, and each pair of steel pipes is connected with the horizontal stepping template through a split bolt.

2. The closed type stair formwork construction structure as claimed in claim 1, wherein: the zigzag side mold is provided with side exhaust holes, and the horizontal stepping mold plate of every 1 or 2 sections of ladder sections on the ladder section upper mold plate is provided with upper exhaust holes.

3. The closed type stair formwork construction structure as claimed in claim 2, wherein: one side vent hole is arranged at every 1 or 2 sawteeth.

4. The closed type stair formwork construction structure as claimed in claim 2, wherein: 2 or 3 upper exhaust holes are arranged on the same horizontal stepping template.

5. The closed type stair formwork construction structure as claimed in claim 1, wherein: a support keel is arranged below the bottom die and consists of a secondary keel and a main keel, and the secondary keel is transversely arranged and connected with the bottom die through steel nails; a main keel is longitudinally arranged below the secondary keel, and the main keel is connected with the secondary keel through a split bolt; a steel pipe vertical rod is arranged below the main keel, the upper end of the steel pipe vertical rod is supported between a pair of steel pipes of the main keel, and the lower end of the steel pipe vertical rod is supported above a ladder section of a lower floor.