CN212836174U

CN212836174U - Laminated slab band plugging device

Info

Publication number: CN212836174U
Application number: CN202021624766.4U
Authority: CN
Inventors: 李哲龙; 李晓亮
Original assignee: Tangshan Yubang New Building Materials Co ltd
Current assignee: Tangshan Yubang New Building Materials Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-30
Anticipated expiration: 2030-08-07

Abstract

The utility model provides a plugging device for laminated slab strips, which comprises a plugging template and template fasteners, wherein the template fasteners comprise transverse support rods, two ends of each transverse support rod are lapped on prefabricated plates on two sides of the slab strips, and screw rods are arranged at the parts between the slab strips; the plugging template is of a convex structure, the width of a protrusion of the convex structure is matched with the width of a plate belt between the prefabricated plates, and a connecting hole corresponding to the position of the screw rod is formed in the protrusion; the template fastener and the plugging template are connected together through a conical internal thread cylinder arranged between the template fastener and the plugging template, a small opening of the conical internal thread cylinder faces upwards, a large opening of the conical internal thread cylinder faces downwards, and the bottom surface of the conical internal thread cylinder is arranged on the upper surface of the protrusion. The utility model cancels the vertical rod support of the plate belt part, and saves the turnover material investment; the split bolt for penetrating the floor slab at the plate strip part is cancelled; meanwhile, the problem that the concrete at the plate strip part rises out of the prefabricated plate surface is solved.

Description

Laminated slab band plugging device

Technical Field

The utility model belongs to the technical field of the construction, particularly, relate to a superimposed sheet slab band plugging device.

Background

In the construction of an assembled concrete structure, when a laminated slab construction technology is adopted, a prefabricated slab of the laminated slab is firstly installed, then reinforcing steel bars are bound on the prefabricated slab, professional pre-embedding is installed, and finally post-cast layer concrete is poured; the precast slab and the post-cast layer form a whole to bear the load of the floor slab together, and the thickness of the precast slab is 60mm, the thickness of the post-cast layer is 70mm, and the total thickness of the laminated slab is 130 mm.

In order to improve the integrity of the laminated slab, strips with the width of 100-300 mm are generally reserved between the prefabricated slabs and used for connecting steel bars between the prefabricated slabs, and the strips need to be blocked before post-cast concrete is poured; when the slab band part is blocked, a common blocking mode is that a vertical rod support is erected at the bottom of a floor slab, a blocking template is erected on the support, the template surface is tightly attached to the bottom surface of a prefabricated slab by adjusting the height of the support, and blocking is carried out from the lower part of the slab band; when the concrete is vibrated, the concrete with the plate and the strip part generates downward expansion force under the influence of the gravity and the vibrating force of the concrete, after the template is removed, the concrete at the part drops and protrudes out of the bottom surface of the precast slab, and during decoration and construction, the concrete protruding out of the bottom surface of the precast slab needs to be chiseled or the thickness of a plastering layer needs to be increased to ensure the flatness of the slab surface, so that the manpower and material investment are increased.

When the method is adopted, if a sleeve is not adopted outside a screw rod of the split bolt, the screw rod is left in concrete after pouring, redundant screw rods exposed outside the concrete surface need to be cut secondarily, and rust-proof paint needs to be brushed on the cutting part to avoid the screw rods from rusting to pollute a decoration surface; if the sleeve is penetrated on the screw rod of the split bolt, the sleeve can be remained in the floor slab after the split bolt is removed, and the hidden trouble of water leakage exists in the future.

In the process of pouring the composite slab, in order to cover the steel bars and the wire pipes in the floor slab, the phenomenon of over thickness often occurs, not only is the raw material of concrete wasted, but also the installation of the wall body and the post-cast section template is influenced, and the concrete with the higher design level than the installation part of the wallboard and the supporting part of the template needs to be chiseled; the common method for controlling the elevation of the floor slab is to mark a floor slab elevation control line on vertical steel bars at a support part at the periphery of the floor slab, and the method for controlling the elevation only at the periphery of the floor slab cannot control the central part of the floor slab, so that the ideal effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a superimposed sheet slab band plugging device aims at pouring the superimposed sheet after before the section, can effectively block up the gap position to improve the efficiency of construction, shorten construction period.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a kind of laminated slab band plugging device, including plugging template and template fastener, the template fastener includes the horizontal brace, both ends of the horizontal brace are lapped on the prefabricated slab of both sides of slab band, the part located between slab bands has threaded spindles; the plugging template is of a convex structure, the width of a protrusion of the convex structure is matched with the width of a plate belt between the prefabricated plates, and a connecting hole corresponding to the position of the screw rod is formed in the protrusion; the template fastener and the plugging template are connected together through a conical internal thread cylinder arranged between the template fastener and the plugging template, a small opening of the conical internal thread cylinder faces upwards, a large opening of the conical internal thread cylinder faces downwards, and the bottom surface of the conical internal thread cylinder is arranged on the upper surface of the protrusion.

Compared with the prior art, the utility model has the advantages of:

(1) the template is fixed on the prefabricated plate at the plate belt part through the screw, the nut and the conical internal thread cylinder, so that the vertical rod support at the plate belt part is eliminated, and the input of turnover materials is saved;

(2) the detachable screw rod on the plugging template and the conical internal thread cylinder can be detached, the screw rod on the template fastener is left in concrete, and the split bolt with a plate belt part penetrating through a floor slab is eliminated, so that the problems of manual consumption for cutting the split bolt and influence on a decorative surface due to rusting of the bolt due to exposure of the bolt are solved, the hidden danger of water leakage at the bolt part is eliminated, and meanwhile, the conical internal thread cylinder can be repeatedly utilized;

(3) by adopting the convex template, the concrete at the gap part is recessed into the floor slab, thereby solving the problem that the concrete at the plate strip part rises out of the prefabricated plate surface, and saving the labor consumption of picking and chiseling in the later period and the labor and material consumption of plastering the plate surface.

The utility model discloses an optimal technical scheme as follows:

the height range of the protrusions of the blocking template is 3-5 mm.

Still be equipped with the pipe of perpendicular to horizontal stay bar on the horizontal stay bar of template fastener, the intraductal diameter of pipe sets up the thickness measurement ware that matches with the intraductal diameter of pipe, and the thickness measurement ware is equipped with the round bar of equipartition scale interval on the surface, and the scale interval is from the bottom up increase.

Drawings

FIG. 1 is a front view of a template fastener with a thickness gauge of the present invention;

FIG. 2 is a side view of the template fastener with thickness gauge of the present invention;

fig. 3 is a schematic structural view of the plugging template of the present invention;

FIG. 4 is a cross-sectional view of the slab band of the present invention during gap plugging;

description of reference numerals: a transverse strut 1; a screw 2; a circular tube 3; a thickness measurer 4; plugging the template 5; a protrusion 6; a connecting hole 7; a precast slab 8; a plate belt 9; a tapered internally threaded barrel 10; a detachable screw 11; a nut 12.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that the following description is only for purposes of clearly illustrating the present invention and is not to be taken in a limiting sense.

Referring to fig. 1 to 4, a laminated slab band blocking device is formed by connecting a template fastener and a blocking template 5 with a screw through a tapered internal thread cylinder 10 arranged therebetween. In use, the tapered internally threaded cartridge 10 contacts the upper surface of the boss 6 of the plugging die plate 5.

The template fastener consists of a transverse supporting rod 1 and two screw rods 2 welded on the transverse supporting rod 1 at intervals, as shown in figures 1 and 2. The external thread of the screw 2 matches the internal thread of the conical internally threaded barrel 10. The transverse supporting rod 1 is made of a round steel bar with the diameter of 16-20 mm, the length of the transverse supporting rod is about 500mm, two ends of the transverse supporting rod are erected on prefabricated plates on two sides of a plate strip, and the upper surfaces of the prefabricated plates are used as bearing surfaces. A round tube 3 perpendicular to the transverse supporting rod is welded on the transverse supporting rod 1, and a thickness measurer 4 with the diameter slightly smaller than the inner diameter of the round tube 3 is placed in the round tube 3. The thickness measurer 4 is a round bar with uniform scales on the outer surface, and the scale values are sequentially increased from 0 to up. The top of round bar sets up the ring, conveniently gets thickness measurement ware 4 from pipe 3 interior putting.

Referring to fig. 3, the plugging template 5 of the slab band site is shown. The blocking template 5 is of a convex structure, the width of a protrusion 6 of the convex structure is matched with that of the plate belt 9, and the height of the protrusion is within the range of 3-5 mm. When the plugging template is installed, the bulge 6 of the plugging template is embedded into the strip. The protrusion is provided with two connecting holes 7, the connecting holes 7 are circular through holes and correspond to the positions of the screws 2 arranged on the transverse supporting rod 1 one by one, and the diameters of the connecting holes are arranged according to the diameters of the screws 2, so that the detachable screws 11 with the same diameter as the screws 2 can smoothly pass through.

The working principle of the utility model is as follows:

when the transverse brace rod is used, two ends of the transverse brace rod 1 are lapped on the upper surfaces of the prefabricated plates 8 on two sides of the plate strip, and force is borne through the prefabricated plates. A conical internal thread cylinder 10 with a small head facing upwards is screwed into the screw rod 2, the bulge 6 of the plugging template 5 is embedded into the bottom of the precast slab band 9, the lower surface of the conical internal thread cylinder 10 is connected with the upper surface of the bulge 6, a detachable screw rod 11 penetrates into a connecting hole 7 of the plugging template 5 and is screwed in the large head end of the conical internal thread cylinder 10, and a nut 12 is screwed at the exposed end of the detachable screw rod 11; a thickness measurer 4 for controlling and detecting the casting thickness of the concrete layer is inserted into the circular tube 3, as shown in fig. 4. When concrete is poured, whether the pouring thickness reaches a preset thickness or not is monitored by observing the scale value on the thickness measurer 4; after reaching the preset thickness, the concrete surface is smeared, and the thickness measurer 4 is pulled out. And after the concrete is cured, obtaining the laminated slab with the specified thickness.

When the concrete is dismantled, the nut 12 connected with the plugging template 5 is loosened, the plugging template 5 is dismantled, the detachable screw 11 is pulled downwards by means of a tool, the conical internal thread cylinder 10 is loosened, the detachable screw 11 is dismantled, the conical internal thread 13 is screwed off from the screw 2 of the transverse supporting rod 1, and the groove left in the concrete after the conical internal thread cylinder 10 is dismantled is plugged by cement mortar.

The utility model cancels the upright rod support at the plate belt part, and saves the turnover material investment; the split bolts penetrating through the floor slab at the plate belt position are eliminated, the problems that manual consumption for cutting the split bolts and the decorative surface is affected by rusting of the bolts are avoided, and meanwhile, the hidden danger of water leakage at the bolt position is eliminated; the problem that the concrete at the plate strip part rises out of the prefabricated plate surface is solved, and the manual consumption of chiseling and the manual and material consumption of plate surface plastering are saved; the thickness of the floor slab can be accurately controlled through the thickness measurer when the floor slab concrete is poured.

The above description is only the preferred embodiment of the present invention. Various modifications and equivalent changes may be made by those skilled in the art without departing from the spirit and scope of the present invention, and such modifications and changes are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a superimposed sheet slab band plugging device, includes the shutoff template, its characterized in that: the template fastener comprises a transverse supporting rod, two ends of the transverse supporting rod are lapped on the prefabricated plates on two sides of the plate band, and a screw rod is arranged in the part between the plate bands; the plugging template is of a convex structure, the width of a protrusion of the convex structure is matched with the width of a plate belt between the prefabricated plates, and a connecting hole corresponding to the position of the screw rod is formed in the protrusion; the template fastener and the plugging template are connected together through a conical internal thread cylinder arranged between the template fastener and the plugging template, a small opening of the conical internal thread cylinder faces upwards, a large opening of the conical internal thread cylinder faces downwards, and the bottom surface of the conical internal thread cylinder is arranged on the upper surface of the protrusion.

2. The laminated slab band plugging device of claim 1, wherein: the height range of the protrusions of the blocking template is 3-5 mm.

3. The laminated slab band plugging device of claim 1, wherein: still be equipped with the pipe of perpendicular to horizontal stay bar on the horizontal stay bar of template fastener, the intraductal diameter of pipe sets up the thickness measurement ware that matches with the intraductal diameter of pipe, and the thickness measurement ware is equipped with the round bar of equipartition scale interval on the surface, and the scale interval is from the bottom up increase.