CN220978794U - Assembled steel bar truss detachable plastic bottom die floor support plate structure - Google Patents

Abstract

The utility model discloses an assembled steel bar truss detachable plastic bottom die floor support plate structure which comprises a plastic bottom die, wherein a steel bar truss is arranged at the top of the plastic bottom die, a plurality of connecting pieces are arranged between the steel bar truss and the plastic bottom die, the upper parts of the connecting pieces are connected with the steel bar truss in a clamping manner, and the lower parts of the connecting pieces are detachably connected with the plastic bottom die. The floor support plate in the embodiment is formed by combining the steel bar trusses and the plastic templates, adopts standardized design, industrialized production and assembly construction, is simple and convenient to construct, can effectively avoid lifting difficulties compared with other assembly type floor systems, reduces labor intensity and has high construction efficiency; the bottom of the floor can achieve the effect of clean water after the floor is constructed, the construction of a plastering layer is not needed in the subsequent decoration construction, and the decoration construction period can be shortened; the post-pouring strip is omitted, the seam is tight, repeated support and formwork supporting of the traditional assembled floor slab and post-pouring floor slab construction are avoided, and the flatness of the floor slab is guaranteed.

Description

Assembled steel bar truss detachable plastic bottom die floor support plate structure

Technical Field

The utility model relates to the technical field of fabricated floor support plates, in particular to a fabricated steel bar truss detachable plastic bottom die floor support plate structure.

Background

The construction technology of the assembled building roof comprises the concrete superimposed slab technology, the steel bar truss steel support plate bottom die building support plate technology, the steel bar truss building calcium silicate plate dismantling-free template building support plate technology, the hollow building roof technology and the like. At present, the defects of the assembled building carrier plate such as need of plate bottom support and formwork support, cast-in-situ post-pouring belt pouring, inconvenient hoisting, need of secondary decoration covering of the plate bottom, interference of telecommunication signals, higher material cost and measure cost than cast-in-situ floor slab, long working procedure multi-construction period and the like are caused, so that the deep popularization of the energy-saving work of the assembled building is seriously influenced.

The above disadvantages are to be improved.

Disclosure of Invention

The utility model provides a detachable plastic bottom die floor support plate structure of an assembled steel bar truss, which aims to solve the problems of more working procedures, longer construction period and high cost caused by inconvenient production, transportation and installation of the traditional assembled floor support plate, inconvenience in plate bottom support and formwork support, casting and reserved cast-in-situ plates and plate belts and inconvenient hoisting.

The technical scheme of the utility model is as follows:

The utility model provides a removable plastics die block building carrier plate structure of assembled steel bar truss, includes the plastics die block, the top of plastics die block sets up the steel bar truss, the steel bar truss with be provided with a plurality of connecting pieces between the plastics die block, the connecting piece top with steel bar truss block is connected, the below of connecting piece with the connection can be dismantled to the plastics die block.

Further, a threaded hole is formed in the connecting piece, a first connecting hole is formed in the plastic bottom die, and a fastener in threaded connection with the threaded hole is arranged in the first connecting hole in a penetrating mode.

Further, the bottom of connecting piece is provided with the support rib, be provided with the second connecting hole on the support rib, the fastener runs through in proper order through the second connecting hole with first connecting hole.

Further, the top of connecting piece is provided with spacing groove and draw-in groove, the spacing groove level sets up, the vertical setting of draw-in groove is provided with elastic fixture block in the draw-in groove, the spacing groove with the draw-in groove cooperation is used for connecting the connecting piece with steel bar truss.

Further, the steel bar truss comprises an upper chord steel bar and two lower chord steel bars, and web member steel bars are connected between the upper chord steel bar and the lower chord steel bars.

Further, the distance between the bottom of the limiting groove and the bottom of the clamping groove is equal to the distance between the two lower chord steel bars, the width of the opening at the top of the elastic clamping block is larger than the diameter of the lower chord steel bars, and the width of the opening at the bottom of the elastic clamping block is smaller than the diameter of the lower chord steel bars.

Further, a groove is formed in the bottom of the connecting piece, and a cushion block is arranged between the groove and the plastic bottom die.

Further, the cushion block is made of concrete.

Further, the connecting piece is made of plastic materials.

Further, the plastic bottom die is hollow.

Further, the supporting ribs and the plastic bottom die can be disassembled and recycled after the concrete structure is formed.

The utility model according to the scheme has the beneficial effects that:

1. The floor support plate is formed by combining the steel bar trusses and the plastic templates, adopts standardized design, industrialized production and assembly construction, is simple and convenient to construct, can effectively avoid lifting difficulties compared with other assembly floor systems, reduces labor intensity and has high construction efficiency.

2. The building carrier plate is designed in a finished product manner, is convenient to hoist and mount, has strong operability and shortens the construction period; the bottom of the slab can achieve the effect of clean water after the floor slab is constructed, so that the construction of a plastering layer is not required in the subsequent decoration construction, and the decoration construction period can be shortened.

3. The support beams and the upright posts are reasonably arranged according to the construction scheme, so that the installation error is effectively reduced, post-pouring belts are avoided, the seam is tight, the repeated support and the formwork support of the traditional assembled floor slab and the post-pouring floor slab construction are avoided, and the flatness of the floor slab is ensured. After demoulding, no plastic part or metal part is exposed, the concrete surface is smooth and flat, and the later decoration is guaranteed.

4. Compared with the common assembled floor slab, the floor support plate can greatly save the cost of on-site support and binding of reinforcing steel bars; meanwhile, the assembly type steel bar truss detachable plastic bottom die floor support plate is self-reinforced with steel bar truss keels, the support vertical rods are reduced, after the cast-in-place concrete reaches strength, the plastic bottom die is easy to detach and does not deform and is recycled, the turnover times are multiple, the loss is reduced, and the cost is saved.

5. According to the floor support plate, plastic is used for replacing wood from a processing raw material, so that the turnover frequency of a template bottom die is increased, the floor support plate can be recycled, energy is saved, consumption is reduced, the floor support plate is environment-friendly, and the national environment-friendly construction policy is met; the floor carrier plate adopts factory to process prefabricated products, is free from cutting on site, has high civilized construction degree, and can effectively promote the development and popularization of the fabricated building.

6. Compared with the concrete superimposed sheet technology, the building support plate does not need to reserve a support top pouring cast-in-place plate and plate belt, and has the advantages of less working procedures, low measure cost, short construction period and light lifting and transportation.

7. Compared with the technology of the bottom die floor support plate of the steel bar truss steel support plate, the floor support plate can be widely applied to various public buildings, residences and steel structure buildings, ceiling decoration is not needed, fireproof paint is not needed to be coated, telecommunication signals are not interfered, and the bottom die has the advantage of lower cost.

8. Compared with the technology of the steel bar truss building calcium silicate plate dismantling-free template building carrier plate, the building carrier plate has the advantages that the bottom of the plate is free of empty drum, cracking and falling risks, is not affected by asynchronous shrinkage and carbonization of concrete, rust prevention treatment on metal rust points below the plate is not needed, and the turnover cost of the bottom die is low.

9. Compared with the detachable steel bar truss metal (bamboo wood) floor support plate, the floor support plate has the advantages that the floor support plate template is easy to detach, does not deform, saves energy, reduces consumption, has more turnover times and has obvious economic advantages.

10. Compared with the hollow floor slab technology, the floor slab has the advantages of good structural integrity, good anti-seismic performance and light hoisting and transportation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure at B-B in FIG. 1;

FIG. 4 is a schematic view of a partial structure of the present utility model;

fig. 5 is an exploded view of a partial structure of the present utility model.

Wherein, each reference sign in the figure: 1. a plastic bottom die; 11. a first connection hole; 2. steel bar truss; 21. winding a steel bar; 22. lower chord steel bars; 23. web member reinforcement; 3. a connecting piece; 31. a threaded hole; 32. a limit groove; 33. a clamping groove; 34. an elastic clamping block; 35. a groove; 4. a fastener; 5. a support rib; 51. a second connection hole; 6. and (5) cushion blocks.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are directions or positions based on the drawings, and are merely for convenience of description and are not to be construed as limiting the present technical solution. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "multiple" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one, unless specifically defined otherwise.

As shown in fig. 1 to 5, in the assembled steel bar truss detachable plastic bottom die floor support plate structure according to one embodiment of the utility model, the structure comprises a plastic bottom die 1, a steel bar truss 2 is arranged at the top of the plastic bottom die 1, a plurality of connecting pieces 3 are arranged between the steel bar truss 2 and the plastic bottom die 1, the upper parts of the connecting pieces 3 are connected with the steel bar truss 2 in a clamping way, and the lower parts of the connecting pieces 3 are detachably connected with the plastic bottom die 1.

Before the start of the production, the required materials and tools are prepared, including the plastic bottom die 1, the steel bar truss 2, the connecting piece 3, the disassembling tool, the welding equipment, etc. And checking whether the used plastic bottom die 1, the steel bar truss 2 and the connecting piece 3 are good or not, and performing pre-checking acceptance according to design requirements and drawings.

During manufacturing, the working area is cleaned firstly, the operation platform is built in a manufacturing factory, the neatness and safety of the manufacturing area are ensured, and the flatness and stability of the construction area are ensured.

The steel bar truss 2 is placed on an operation platform, and the steel bar truss 2 is processed and prefabricated according to design requirements and specifications. Ensuring that the size and strength of the steel truss 2 meet the required load-bearing requirements. And correcting and positioning are carried out strictly according to the requirements of the design drawing.

The supporting ribs 5 and the connecting pieces 3 are installed on the plastic bottom die 1 by adopting fasteners 4, buckles, bolts and the like, and the number and the positions of the supporting ribs 5 and the connecting pieces 3 are determined according to the positions of the steel bar trusses 2 on the plastic bottom die 1 and the sizes of the steel bar trusses 2. And then the steel bar trusses 2 are connected with the connecting piece 3 in a clamping way, and each steel bar truss 2 is placed on the plastic bottom die 1 according to a preset position in sequence, so that the connection is convenient. The connecting piece 3 has enough strength and stability to ensure the tight connection between the steel bar truss 2 and the plastic bottom die 1 and ensure the stability of the whole floor support plate structure.

During construction, the manufactured floor support plate is transported to a construction site, lifted to a pouring area for paving, and the plastic bottom dies 1 are regularly paved at preset positions according to the plane shape and the size of the floor, so that tight connection between the bottom dies is ensured. And meanwhile, necessary adjustment and correction are carried out, such as reserving reinforcing ribs at the position of the opening according to design requirements. And then binding the steel bars, wherein the distance, binding mode and number of binding points of the bound steel bars meet the design requirements and specifications, so that the steel bars can be correctly positioned and connected with the steel bar truss 2. And pouring concrete, and removing the plastic bottom die 1 and the supporting ribs 5 for the next use after the concrete is solidified.

In the embodiment, the floor support plate is formed by combining the steel bar truss 2 and the plastic formwork, standardized design, industrial production and assembly construction are adopted, the construction is simple and convenient, compared with other assembly floor systems, the lifting difficulty can be effectively avoided, the labor intensity is reduced, and the construction efficiency is high. The floor support plate is designed in a finished product mode, the hoisting and the installation are convenient, the operability is high, and the construction period is shortened; the bottom of the slab can achieve the effect of clean water after the floor slab is constructed, so that the construction of a plastering layer is not required in the subsequent decoration construction, and the decoration construction period can be shortened. The floor carrier plate is reasonable to set up supporting beams and upright posts according to the construction scheme, so that the installation error is effectively reduced, no post-pouring belt and tight joint are realized, the repeated support and formwork supporting of the traditional assembled floor slab and the construction of the post-pouring floor slab are avoided, and the flatness of the floor slab is ensured. After demoulding, no plastic part or metal part is exposed, the concrete surface is smooth and flat, and the later decoration is guaranteed. Compared with the common assembled floor slab, the method can greatly save the cost of on-site supporting and binding the reinforcing steel bars; meanwhile, the building support plate of the detachable plastic bottom die 1 of the fabricated steel bar truss 2 is self-reinforced with steel bar truss 2 keels, so that support vertical rods are reduced, after the cast-in-place concrete reaches strength, the plastic bottom die 1 is easy to detach and does not deform and is recycled, the turnover times are multiple, the loss is reduced, and the cost is saved. The floor support plate replaces wood with plastic from the processing raw material, improves the turnover frequency of the template bottom die, can be recycled, saves energy, reduces consumption, is environment-friendly, and accords with the national environment-friendly construction policy; the floor carrier plate adopts factory to process prefabricated products, is free from cutting on site, has high civilized construction degree, and can effectively promote the development and popularization of the fabricated building.

As shown in fig. 4 and 5, in a preferred embodiment, the connecting member 3 is provided with a threaded hole 31, the plastic bottom mold 1 is provided with a first connecting hole 11, and the first connecting hole 11 is provided with a fastener 4 in threaded connection with the threaded hole 31.

The bottom of connecting piece 3 is provided with holds in the palm rib 5, is provided with second connecting hole 51 on holding in the palm rib 5, and fastener 4 runs through in proper order through second connecting hole 51 and first connecting hole 11.

The two ends of the supporting ribs 5 are provided with lap joint steps, and the lap joint step of one supporting rib 5 can be spliced with the lap joint step of the other supporting rib 5.

In this embodiment, during construction, the connecting piece 3 is first placed at a predetermined position of the plastic bottom die 1, and the threaded hole 31 on the connecting piece 3 corresponds to the first connecting hole 11 on the plastic bottom die 1 and the second connecting hole 51 on the supporting rib 5. The fastener 4 sequentially passes through the second connecting hole 51 and the first connecting hole 11, is inserted into the threaded hole 31 of the connecting piece 3, and is screwed down, so that the connecting piece 3 is fixedly connected with the plastic bottom die 1. The overlapping steps of the adjacent supporting ribs 5 are aligned, and the overlapping steps of one supporting rib 5 and the overlapping steps of the other supporting rib 5 are spliced, so that the tight connection between the supporting ribs 5 is ensured.

As shown in fig. 4 and 5, in a preferred embodiment, a limit groove 32 and a clamping groove 33 are provided above the connecting piece 3, the limit groove 32 is horizontally provided, the clamping groove 33 is vertically provided, the limit groove 32 is used for positioning in the horizontal direction, and the clamping groove 33 is used for positioning in the vertical direction, so that the relative position of the connecting piece 3 and the steel bar truss 2 is accurate. An elastic clamping block 34 is arranged in the clamping groove 33, the elastic clamping block 34 has certain elasticity, the connecting piece 3 is generally made of plastic materials, and the limiting groove 32 and the clamping groove 33 are matched to be used for connecting the connecting piece 3 and the steel bar truss 2.

The steel bar truss 2 comprises an upper chord steel bar 21 and two lower chord steel bars 22, and web member steel bars 23 are connected between the upper chord steel bar 21 and the lower chord steel bars 22. The steel bar truss 2 is formed by welding an upper chord steel bar 21, a lower chord steel bar 22 and web member steel bars 23, and is firm in connection. Welding is carried out through arc welding equipment, welding spots are uniform and firm, and welding intervals meet design requirements.

The distance between the groove bottom of the limit groove 32 and the groove bottom of the clamping groove 33 is equal to the distance between the two lower chord steel bars 22, the opening width of the top of the elastic clamping block 34 is larger than the diameter of the lower chord steel bars 22, and the opening width of the bottom of the elastic clamping block 34 is smaller than the diameter of the lower chord steel bars 22, so that the elastic clamping block 34 can clamp the lower chord steel bars 22, and a certain elastic force is provided to keep stable connection.

In the process of installing the steel bar truss 2, the lower chord steel bar 22 on one side of the steel bar truss 2 is placed in the limit groove 32, and then the lower chord steel bar 22 on the other side is placed in the clamping groove 33. The elastic clamping blocks 34 are arranged in the clamping grooves 33, the opening width of the top of each elastic clamping block 34 is large, the lower chord steel bar 22 is conveniently placed into the corresponding clamping groove 33, when the lower chord steel bar 22 reaches the bottom of each elastic clamping block 34, the opening width of the bottom of each elastic clamping block 34 is small, each elastic clamping block 34 is elastically opened, the lower chord steel bar 22 enters the bottom of the corresponding clamping groove 33, the bottom of each elastic clamping block 34 is elastically reset, and the lower chord steel bar 22 is clamped at the bottom of the corresponding clamping groove 33. The connecting piece 3 in this embodiment is simple in structure, easy to assemble, can improve the efficiency of construction.

As shown in fig. 4 and 5, in a preferred embodiment, the bottom of the connecting element 3 is provided with a recess 35, and a spacer 6 is provided between the recess 35 and the plastic bottom die 1. The cushion block 6 is made of concrete.

In this embodiment, the spacer 6 is used for elevating the heights of the steel bar truss 2 and the connecting piece 3, so as to ensure that the bottoms of the steel bar truss 2 and the connecting piece 3 are covered with concrete during pouring, and ensure the flatness of the pouring surface and the thickness of the steel bar protection layer. In addition, the concrete material of the cushion block 6 has a higher friction coefficient, so that the friction force between the connecting piece 3 and the plastic bottom die 1 can be increased, and the displacement and sliding of the connecting piece 3 are effectively prevented. The structure is beneficial to maintaining the shape of the structure and improving the stability and safety of the structure.

In a preferred embodiment, the plastic bottom mold 1 is hollow inside. The hollow plastic bottom die 1 has light dead weight, light hoisting and installation and strong operability.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (9)

1. The utility model provides an assembled steel bar truss detachable plastic die block floor supporting plate structure which is characterized by comprising a plastic die block, wherein a steel bar truss is arranged at the top of the plastic die block, a plurality of connecting pieces are arranged between the steel bar truss and the plastic die block, the upper parts of the connecting pieces are connected with the steel bar truss in a clamping way, and the lower parts of the connecting pieces are detachably connected with the plastic die block;

The top of connecting piece is provided with spacing groove and draw-in groove, the spacing groove level sets up, the vertical setting of draw-in groove is provided with elastic fixture block in the draw-in groove, the spacing groove with the draw-in groove cooperation is used for connecting the connecting piece with steel bar truss.

2. The detachable plastic bottom die floor support plate structure of the fabricated steel bar truss, as set forth in claim 1, wherein the connecting piece is provided with a threaded hole, the plastic bottom die is provided with a first connecting hole, and a fastener in threaded connection with the threaded hole is disposed in the first connecting hole.

3. The assembly type steel bar truss detachable plastic bottom die floor support plate structure according to claim 2, wherein a support rib is arranged at the bottom of the connecting piece, a second connecting hole is formed in the support rib, and the fastener penetrates through the second connecting hole and the first connecting hole in sequence.

4. The removable plastic bottom formwork floor deck structure of an assembled steel truss as recited in claim 1 wherein said steel truss includes an upper chord steel bar and two lower chord steel bars, web members being connected between said upper chord steel bar and said lower chord steel bar.

5. The detachable plastic bottom formwork floor support plate structure of the fabricated steel bar truss as claimed in claim 4, wherein a distance between a groove bottom of the limit groove and a groove bottom of the clamping groove is equal to a distance between two lower chord steel bars, an opening width of a top of the elastic clamping block is larger than a diameter of the lower chord steel bars, and an opening width of a bottom of the elastic clamping block is smaller than the diameter of the lower chord steel bars.

6. The assembled steel bar truss detachable plastic bottom die floor support plate structure according to claim 1, wherein a groove is formed in the bottom of the connecting piece, and a cushion block is arranged between the groove and the plastic bottom die.

7. The assembled steel bar truss detachable plastic bottom die floor support plate structure according to claim 6, wherein the cushion block is made of concrete.

8. The assembled steel bar truss detachable plastic bottom die floor support plate structure according to claim 1, wherein the connecting piece is made of plastic.

9. The fabricated steel bar truss removable plastic bottom mold floor support plate structure as claimed in claim 1, wherein the plastic bottom mold is hollow.