CN219451497U - Closed stair construction device of wood plywood - Google Patents

Abstract

The utility model is suitable for the technical field of building construction, and discloses a wood plywood closed stair construction device which comprises an upper floor slab, a lower floor slab and a stair board, wherein two ends of the stair board are respectively contacted with one ends of the upper floor slab and the lower floor slab, a plurality of first mounting holes are uniformly formed in the surface of the stair board, scissors wall serrated templates are fixedly arranged on two sides of the surface of the stair board, a plurality of horizontal stepping boards and a plurality of vertical stepping boards are fixedly arranged on the surface of the scissors wall serrated templates through iron nails, a plurality of first steel pipes are uniformly and fixedly arranged on one side of the stair board, and second steel pipes are fixedly arranged on two sides of the first steel pipes through jackscrews. According to the utility model, the horizontal tread plate, the vertical tread plate and the stair plate are all sealed by adopting the wood plywood, so that the passing of constructors is facilitated, the hogging moment steel bars of the stair can be effectively protected from being stepped, and the leveling of the stepping surface layer after pouring can be ensured.

Description

Closed stair construction device of wood plywood

Technical Field

The utility model is suitable for the technical field of building construction, and particularly relates to a closed stair construction device for a wood plywood.

Background

In the stair construction process, a traditional wood plywood formwork method is generally adopted for the cast-in-place concrete stair structural formwork installation, the stair tread surface is not sealed, and the tread front surface is reinforced by using a hanging formwork.

In actual operation, constructors often need to frequently use stairs to pass up and down, so that gluten at a stair stepping support is caused to step down, a stepping hanging die is loose and unstable, one side of the hanging die is easy to expand, the stepping surface of a cast-in-situ formed stair structure is uneven, the appearance effect is not ideal, and the like. The stair steps are at different elevations, concrete has fluidity and is easy to overflow the templates, so that the concrete pouring of the stair is intermittent, continuous construction cannot be performed, time and labor are consumed, the construction cost is increased, the construction period is influenced, and in order to solve the problems in the prior art, the closed stair construction device of the wood plywood is provided.

Disclosure of Invention

According to the closed stair construction device with the wood plywood, the horizontal stepping plate, the vertical stepping plate and the stair plates are all sealed by the wood plywood, so that the passing of constructors is facilitated, the hogging moment steel bars of the stair can be effectively protected from being stepped, the flatness of a stepping surface layer after pouring can be ensured, and the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a closed stair construction equipment of wood glue plywood, includes upper floor, lower floor and riser, the riser both ends respectively with upper floor and lower floor one end contact, riser surface evenly is equipped with a plurality of first mounting holes, riser surface both sides fixed mounting has scissors wall zigzag template, scissors wall zigzag template surface has a plurality of horizontal flitch and a plurality of perpendicular flitch through iron nail fixed mounting, a plurality of horizontal flitch and the equal fixed mounting of board side have first flitch, a plurality of the second mounting hole has all been seted up to horizontal flitch surface, second mounting hole and first mounting hole size match unanimity, and the line between first mounting hole and the second mounting hole is perpendicular with the riser, a plurality of second flitch one side even fixed mounting has a plurality of second steel pipes square, a plurality of equal fixed mounting in second steel pipe square one side has a plurality of first, both ends first both sides all have the second through jackscrew fixed mounting, a plurality of second steel pipes and a plurality of steel pipes are installed in the equal perpendicular flitch of right angle with the second steel pipe bottom.

Preferably, a plurality of split bolts are respectively inserted between the first mounting holes and the second mounting holes, and a third steel pipe is arranged between two ends of each of the split bolts on one side.

Preferably, the top of the vertical step plate is fixedly arranged at the bottom of the horizontal step plate, one side of the bottom of the vertical step plate is fixedly connected with the end part of another horizontal step plate, and two ends of the horizontal step plate and the vertical step plates are fixedly connected with two ends of the saw-tooth-shaped templates of the scissors wall.

Preferably, each interval from the contact opening of the upper floor slab and the ladder plate in the inclined length direction of the ladder plate is 600mm, three first mounting holes are respectively formed in the positions, from 350mm to 700mm from the edges of the ladder plate, and the aperture of each first mounting hole is 12mm.

Preferably, the inclined long direction of ladder board, and follow the ladder board edge and per interval 300mm arranges a flitch, the flitch is all installed at ladder board both ends and middle span flitch interval is not more than 300mm, the inclined long direction of ladder board is equipped with first steel pipe apart from upper floor and ladder board contact opening 700mm department, and just after interval 1200mm department all installs first steel pipe, both ends first steel pipe transverse position is apart from respectively the ladder board edge 450mm.

Preferably, the horizontal step plates, the vertical step plates and the stair plates are all 18mm wood plywood, and the surfaces of the horizontal step plates are all provided with two exhaust holes.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses closed stair construction equipment of wooden plywood seals through all adopting the wooden plywood with horizontal flitch, perpendicular flitch and ladder board, makes things convenient for constructor to pass, and can effectively protect stair hogging moment reinforcing bar not trampled, can guarantee simultaneously that the surface course of marking time after pouring is level and smooth to adopt third steel pipe and to the stay bolt reinforcement to increase stair formwork overall rigidity at the surface course of marking time, avoid because of the influence of mould to later stage fitment construction that rises.

2. The utility model discloses closed stair construction equipment of wood veneer seals the installation through with horizontal flier and perpendicular flier, and concrete is excessive when can effectively avoiding pouring, and stair concrete can pour in succession, one shot forming. The concrete is not required to be rubbed and leveled manually after compaction, so that labor and materials are saved, the concrete can be prevented from being directly exposed, the stair finished product is effectively protected, the later repair cost is saved, and the finished product is attractive and elegant.

3. The utility model discloses closed stair construction device of wood veneer board carries out totally enclosed stair formwork through adopting 18mm wood veneer board, and concrete is excessive when not only can preventing to pour, improves construction speed, save material and recruitment, guarantees cast-in-place concrete structure construction quality effect simultaneously, reduces stair fitment construction cost and shortens stair fitment time limit for a project, avoids the quality common problem of stair construction, has effectively practiced thrift cost and time limit for a project. Can provide reference for the construction of later cast-in-place concrete stairways, and has great popularization value.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a closed stair construction device with a wood plywood;

fig. 2 is a schematic view of a bottom structure of a riser of a closed stair construction device with wood plywood according to the present utility model;

FIG. 3 is a schematic view of the overall planar structure of a closed stair construction device with wood plywood according to the present utility model;

fig. 4 is a schematic construction flow diagram of a closed stair construction device with a wood plywood.

In the figure: 1. an upper floor slab; 2. a lower floor slab; 3. a ladder plate; 4. a scissor wall zigzag template; 5. a horizontal tread; 6. a vertical tread; 7. a first batten; 8. a second batten; 9. a first steel pipe; 10. a second steel pipe; 11. a split bolt; 12. and a third steel pipe.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example; the types of the electric appliances provided in the present utility model are just references, and the specific meanings of the above terms in the present utility model can be understood by those skilled in the art according to specific situations by replacing different types of electric appliances having the same functions according to actual use situations.

Referring to fig. 1-4, a closed stair construction device of wood plywood, including upper floor 1, lower floor 2 and ladder board 3, ladder board 3 both ends contact with upper floor 1 and lower floor 2 one end respectively, ladder board 3 surface evenly is equipped with a plurality of first mounting holes, ladder board 3 surface both sides fixed mounting has scissors wall zigzag form 4, scissors wall zigzag form 4 surface through iron nail fixed mounting has a plurality of horizontal step boards 5 and a plurality of perpendicular step boards 6, a plurality of horizontal step boards 5 face and board side equal fixed mounting have first square 7, a plurality of horizontal step boards 5 surface all have seted up the second mounting hole, second mounting hole and first mounting hole size match unanimity, and the line between first mounting hole and the second mounting hole is perpendicular with ladder board 3, a plurality of second square 8 are evenly fixed to ladder board 3 one side, a plurality of second square 8 side equal fixed mounting has a plurality of first square boards 9 and a plurality of perpendicular step boards 6, a plurality of steel pipes are all installed through steel pipe handing-over with the second square step boards 10 in both sides, a plurality of steel pipe handing-over the steel pipe is installed to the second square step boards 5.

Referring to fig. 1 and 2, split bolts 11 are respectively inserted between the first mounting holes and the second mounting holes, and third steel pipes 12 are respectively placed between two ends of the split bolts 11 on one side, so that influence of expansion die on later-stage decoration construction is avoided.

Referring to fig. 1 and 2, the top of the vertical step plate 6 is fixedly mounted at the bottom of the horizontal step plate 5, and one side of the bottom of the vertical step plate 6 is fixedly connected with the end of the other horizontal step plate 5, and two ends of the horizontal step plate 5 and the vertical step plates 6 are fixedly connected with two ends of the scissor wall serrated form 4, so that the sealing performance of the stair form can be effectively ensured, and concrete is prevented from being directly exposed.

Referring to fig. 1 and 3, in this embodiment, each interval 600mm from the contact opening between the upper floor board 1 and the ladder board 3 in the oblique long direction of the ladder board 3 is provided with three first mounting holes respectively at intervals of 700mm from the position 350mm away from the edge of the ladder board 3, and the aperture of each first mounting hole is 12mm, so that the split bolt 11 is convenient to install, and the split bolt 11 can have the maximum effect.

Referring to fig. 1, 2 and 3, in this embodiment, in the inclined long direction of the ladder plate 3, a batten is arranged at each interval of 300mm from the edge of the ladder plate 3, the battens are installed at both ends of the ladder plate 3, the interval between the battens is not more than 300mm, a first steel pipe 9 is arranged at the position, which is 700mm away from the contact port between the upper floor 1 and the ladder plate 3, of the inclined long direction of the ladder plate 3, and then, a first steel pipe 9 is installed at the position of the interval of 1200mm, and the transverse positions of the two ends of the first steel pipes 9 are respectively 450mm away from the edge of each ladder plate 3, so that the template is prevented from being deformed by concrete pressing when concrete is poured, and incomplete stair molding is caused.

Referring to fig. 1, in this embodiment, a plurality of horizontal step plates 5, a plurality of vertical step plates 6 and a plurality of stair plates 3 all adopt 18mm wood plywood, and a plurality of horizontal step plates 5 are provided with two exhaust holes on the surface, so that the hogging moment steel bars of the stairs are effectively protected from being stepped, and the leveling of the stepping surface layer after pouring can be ensured.

The utility model is used when: the method comprises the steps of placing a ladder plate 3 between an upper floor plate 1 and a lower floor plate 2, fixedly installing a scissor wall zigzag template 4 on the surface of the ladder plate 3, uniformly and fixedly installing a second batten 8 on the bottom side of the ladder plate 3, uniformly and fixedly installing first steel pipes 9 on one side of a plurality of second battens 8, fixedly installing second steel pipes 10 at right angles with the first steel pipes 9, fixedly installing the first battens 7 on the surface and the plate side of a horizontal tread plate 5, penetrating a split bolt 11 out of a first installation hole and a second installation hole, simultaneously respectively placing a plurality of third steel pipes 12 on two sides of two ends of the split bolt 11, locking the split bolt 11, reserving exhaust holes after the whole reinforcement is completed, arranging the exhaust holes on the horizontal tread plate 5, arranging 2 steps each step, handling wood chips left in the closed type stair template in time after all the procedures are completed and checked, and discharging the wood chips from the wood chip cleaning holes on the bottom surface of the inclined plate in a flushing mode. The saw-dust clearance hole is the trompil on former stair die bed board basis, and the hole pattern is rectangle, and length is the width of stair, and the width is 250mm, and the saw-dust clearance is accomplished the back and can be sealed the clear preformed hole of building cinder that the stair swash plate reserved, can add two steel pipes to the template of sealing the position alone according to specific circumstances when necessary, then alright pour the concrete to the template inside, should ensure when asking to pour the concrete from first step every time vibration time of marking time accords with the standard requirement, and the concrete is closely knit to vibrate, avoids appearing quality defects such as honeycomb hole.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a closed stair construction equipment of wood plywood, its characterized in that includes a closed stair construction equipment of wood plywood, including upper floor's building board (1), lower floor's building board (2) and ladder board (3), ladder board (3) both ends contact with upper floor's building board (1) and lower floor's building board (2) one end respectively, ladder board (3) surface evenly are equipped with a plurality of first mounting holes, ladder board (3) surface both sides fixed mounting has scissors wall zigzag template (4), scissors wall zigzag template (4) surface through iron nail fixed mounting have a plurality of horizontal step boards (5) and a plurality of perpendicular step boards (6), a plurality of horizontal step boards (5) face and board side equal fixed mounting have first square (7), a plurality of horizontal step boards (5) surface all have seted up the second mounting hole, second mounting hole is consistent with first mounting hole size matching, and between first mounting hole and the second mounting hole and ladder board (3) surface both sides fixed mounting have scissors wall zigzag template (4), scissors wall zigzag template (4) surface has a plurality of horizontal step boards (5) and a plurality of perpendicular step boards (3), a plurality of steel pipes (9) are installed through a plurality of steel pipe (10) and are all fixed mounting to a plurality of steel pipe (8) and are installed to a plurality of steel pipe (9), the plurality of first steel pipes (9) are arranged at the joint of the horizontal stepping plate (5) and the vertical stepping plate (6).

2. The closed stair construction device of the wood plywood according to claim 1, wherein split bolts (11) are respectively inserted between the first mounting holes and the second mounting holes, and a third steel pipe (12) is arranged between two ends of each split bolt (11) on one side.

3. The closed stair construction device of the wood plywood according to claim 1, wherein the top of the vertical stepping plate (6) is fixedly arranged at the bottom of the horizontal stepping plate (5), one side of the bottom of the vertical stepping plate (6) is fixedly connected with the end part of the other horizontal stepping plate (5), and two ends of the horizontal stepping plate (5) and the vertical stepping plates (6) are fixedly connected with two ends of the saw-tooth-shaped templates (4) of the scissors wall.

4. The closed stair construction device of the wood plywood according to claim 1, wherein each interval of the inclined length direction of the stair plates (3) is 600mm from the contact opening of the upper-layer stair plates (1) and the stair plates (3), three first mounting holes are respectively formed in the positions, from 350mm away from the edge of each stair plate (3), of the middle interval of 700mm away from the edge of each stair plate (3), and the aperture of each first mounting hole is 12mm.

5. The closed stair construction device of the wood plywood according to claim 1, wherein the stair plates (3) are obliquely long, a batten is arranged at intervals of 300mm from the edges of the stair plates (3), the battens are installed at two ends of the stair plates (3) and the interval between the battens is not more than 300mm, a first steel pipe (9) is arranged at the position, which is at an oblique length, of the stair plates (3) and is away from a contact opening 700mm between an upper floor (1) and the stair plates (3), of the stair plates (3), first steel pipes (9) are installed at the positions, which are away from the edges of the stair plates (3), and the transverse positions of the two ends of the first steel pipes (9) are respectively located at intervals of 450mm.

6. The closed stair construction device of the wood plywood according to claim 1, wherein a plurality of the horizontal stepping plates (5), a plurality of the vertical stepping plates (6) and the stair plates (3) are all 18mm wood plywood, and two exhaust holes are formed in the surfaces of the horizontal stepping plates (5).