CN113006356A - Novel concrete floor convenient to dismantle and assembling method - Google Patents
Novel concrete floor convenient to dismantle and assembling method Download PDFInfo
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- CN113006356A CN113006356A CN202110252751.2A CN202110252751A CN113006356A CN 113006356 A CN113006356 A CN 113006356A CN 202110252751 A CN202110252751 A CN 202110252751A CN 113006356 A CN113006356 A CN 113006356A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/023—Separate connecting devices for prefabricated floor-slabs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
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Abstract
The invention discloses a novel concrete floor slab convenient to dismantle and an assembling method thereof. The invention realizes the sustainable use of the building structure, the beam-slab structure is convenient to dismantle and does not damage the components, the components can be recycled, thereby making contribution to the sustainable building technology, reducing the waste of a large amount of nonrenewable building materials, saving the energy required by dismantling the concrete building, simultaneously having rapid construction, having no need of any cast-in-place concrete for the beam-slab structure, saving the cost of the template, having shorter construction period, and being capable of obtaining obvious economic benefit and social benefit.
Description
Technical Field
The invention relates to the technical field of concrete member connection, in particular to a novel concrete floor slab convenient to dismantle and an assembling method.
Background
According to an invention patent of Chinese patent No. CN201811166487.5, the invention provides an assembly method of an upper inner wall, a lower inner wall and a floor slab, which comprises the following steps: s1, prefabricating an inner wall shear wall and a floor slab; s2, hoisting and installing: hoisting and positioning the first inner wall shear wall, hoisting a first floor slab and a second floor slab which are respectively arranged on two end faces of the top side of the first inner wall shear wall, hoisting a second inner wall shear wall which is arranged on the top side of the first inner wall shear wall, and respectively pressing two ends of the bottom side of the second inner wall shear wall on support ribs on the top sides of the first floor slab and the second floor slab; cavities are formed among the floor slab, the first inner wall shear wall and the second inner wall shear wall, and meanwhile, longitudinal steel bars, tie bars and anchoring parts are skillfully arranged in different modes; s3, pouring and connecting: concrete is poured into the cavity to form double-overlapped post-cast connecting beams or double-anchored horizontal post-cast strips, the floor slab and the inner wall shear wall are connected into a whole, the site construction amount of the connecting joint is small, the manufacturing cost is reduced, the construction period is shortened, and the integrity and the seismic strength of the building are greatly improved.
The prefabricated reinforced concrete structure can improve the level of mechanized construction, accelerate the construction progress, reduce labor intensity, realize the industrial production of buildings, and is beneficial to environmental protection, the structure system has been widely applied in developed countries and has become the main form of new buildings in some countries, the connection mode is the core problem of the prefabricated reinforced concrete structure and is also the weak link of the structure, and the safety and reliability of the structure can be ensured only if the joint parts of prefabricated components are reliably connected.
The connection reliability of the existing assembled reinforced concrete structure in China still has some problems, and the requirements of the reinforced concrete structure on crack resistance, integrity, seismic performance and the like cannot be well met.
Disclosure of Invention
The invention aims to provide a novel concrete floor slab convenient to dismantle and an assembling method, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel concrete floor slab convenient to dismantle comprises a precast concrete slab, positioning insertion holes, connecting steel plates and high-strength friction type bolts;
three groups of positioning splicing holes for connection are uniformly and equidistantly formed in the outer end surface of the precast concrete plate, connecting steel plates for limiting are symmetrically and movably clamped at the positions, opposite to the positioning splicing holes, of the outer end surface of the precast concrete plate, and the two groups of connecting steel plates and the precast concrete plate are fixedly connected through high-strength friction type bolts;
the connecting steel plate comprises a connecting steel plate shell, a fixed inserting groove, a cross-shaped positioning clamping groove, a positioning clamping plate, a connecting and fixing spring, a fixed telescopic rod and a friction connecting groove;
the upper end surface of the connecting steel plate shell is communicated with four groups of fixing insertion grooves for positioning at equal intervals, cross-shaped positioning clamping grooves for limiting are formed in the upper end surface of each fixing insertion groove, seven groups of fixing telescopic rods for connection are symmetrically and fixedly installed on the lower end surface of the connecting steel plate shell at equal intervals, positioning clamping and connecting plates for supporting are fixedly installed on the lower end surface of each fixing telescopic rod, the connecting steel plate shell and the positioning clamping and connecting plates are elastically and fixedly connected through connecting and fixing springs, and friction connecting grooves for connection are formed in the lower end surface of the connecting steel plate shell at equal intervals;
the high-strength friction type bolt comprises a fixed clamping plate, a limiting rotary table, a guide sleeve, a supporting connecting spring, a limiting connecting shaft, a cross mounting plate, a spring clamping shaft, a positioning support plate, a guiding clamping shaft, a fixed support baffle, a connecting threaded bolt, an overturning clamping groove, a spring connecting shaft and a positioning clamping joint;
the center of the upper end face of the cross mounting plate is fixedly provided with a limiting connecting shaft for limiting, a guiding clamping shaft for supporting is fixedly arranged at the center of the upper end face of the limiting connecting shaft, the outer end face of the guiding clamping shaft is slidably clamped with a guiding sleeve for connection, a supporting connecting spring for connection is fixedly arranged between the limiting connecting shaft and the guiding sleeve, four groups of overturning clamping grooves for installation are symmetrically arranged on the upper end face of the guiding sleeve in an even and equidistant manner, the inner end face of each overturning clamping groove is elastically and rotatably clamped with a spring connecting shaft for positioning, the outer end face of each spring connecting shaft is fixedly provided with a positioning clamping joint for the inner part of the overturning clamping groove, the outer end face of each positioning clamping joint is fixedly provided with a fixed supporting baffle for supporting, and the center of the upper end face of the limiting connecting shaft is provided with a threaded hole for connection, a connecting threaded bolt for supporting is in threaded connection with the inside of the threaded hole, a fixed clamping plate for guiding is fixedly mounted on the top end face of the connecting threaded bolt, a limiting rotary table for limiting is rotatably connected to the position, close to the fixed clamping plate, of the top end face of the connecting threaded bolt, four corners of the upper end face of the cross mounting plate are uniformly and equidistantly fixedly connected with spring clamping shafts for supporting, and a positioning support plate for connection is fixedly mounted in the center of the upper end face of each spring clamping shaft;
the spring connecting shaft comprises an installation clamping shaft, a positioning connecting spring, a fixed connecting plate and a limiting rotating shaft;
a limiting rotating shaft for supporting is rotatably clamped on the side end face of the fixed connecting plate, an installation clamping shaft for connection is fixedly arranged in the center of the side end face of the limiting rotating shaft, and the installation clamping shaft and the fixed connecting plate are elastically and fixedly connected through a positioning connecting spring;
the spring clamping shaft comprises a sleeve for supporting, a positioning rod in the sleeve in a sliding clamping mode and a clamping spring for connecting the sleeve with the positioning rod.
Preferably, the structure of the fixed telescopic rod is the same as that of the spring clamping shaft, the inner end face of the guide sleeve is provided with a fixed sliding groove, the upper end face of the guide clamping shaft is fixedly provided with a positioning clamping plate, and the positioning clamping plate is matched with the fixed sliding groove in a sliding and clamping manner.
Preferably, the thickness that the locator card connects is the same with the width of upset draw-in groove, just the locator card connects carries out fixed joint with the outer terminal surface of installation joint axle, just fixed stay baffle passes through locator card and connects and the looks adaptation of installation joint axle and then elasticity rotation joint at the outer terminal surface of uide bushing.
Preferably, the bottom end face of the fixed supporting baffle is attached to the bottom end face of the cross positioning clamping groove in an extruding mode, and the guide sleeve is connected with the fixed inserting groove in a sliding clamping mode in a matched mode.
Preferably, the cross mounting panel becomes the cross setting, just the cross mounting panel passes through the locating support board and cross positioning groove looks adaptation and then elasticity slip joint at the lower terminal surface of connecting plate.
Preferably, a positioning joint is arranged at the joint of the two groups of precast concrete plates, and the positioning joint is formed by connecting an upper connecting steel plate, a lower connecting steel plate and a high-strength friction bolt.
Preferably, it is two sets of precast concrete board concatenation is in precast beam's up end, precast beam's side end face is used for the angle connection of connecting through the even equidistance fixed connection three of level friction type bolt that excels in, and is two sets of precast concrete board is located between steel connection plate and the angle connection, just carry out fixed connection through the friction type bolt that excels in between steel connection plate and the angle connection.
Preferably, a pair of connecting angle steels is arranged on two sides of the precast beam at the top surface elevation position every 1.0-1.5m along the length direction of the precast beam.
Preferably, the connecting angle steels on the two sides are connected with the precast beams through horizontal high-strength friction type bolts, and two adjacent precast concrete plates are placed on the tops of the precast beams and the connecting angle steels and are fixed through connecting steel plates on the tops of the floor slabs.
A novel concrete floor assembling method convenient to disassemble comprises the following steps:
s1, positioning between precast concrete plates:
firstly, a user can align and position the side edges of two groups of precast concrete plates through an external tool, then the user can put the outer parts of the two groups of precast concrete plates to be limited through an upper group of connecting steel plates and a lower group of connecting steel plates, and the two groups of connecting steel plates are opposite to the positioning splicing holes at the upper parts of the precast concrete plates at the centers, so that the steps of positioning the precast concrete plates and the precast concrete plates are completed;
s2, assembling and splicing the precast concrete plates:
the high-strength friction type bolts can be inserted into the two groups of connecting steel plates after positioning is completed by a user, and when the high-strength friction type bolts penetrate through the connecting steel plates at the bottom and reach the inside of the connecting steel plates at the top, the user can realize locking operation on the connecting steel plates by rotating the fixing clamping plate, so that assembling and splicing operation on the two groups of precast concrete plates is completed;
s3, assembling and splicing the precast concrete plate and the precast beam:
the user can position, complete and splice the two groups of precast concrete plates and fix the two groups of precast concrete plates at the center of the upper part of the precast beam, then position the connecting steel plate on the upper parts of the two groups of precast concrete plates which are spliced and positioned, the bottom of each precast concrete plate is provided with a connecting angle steel which is right opposite to the connecting steel plate, and meanwhile, the vertical surfaces of the connecting steel plate and the connecting angle steel are fixedly connected through a high-strength friction type bolt, so that the two groups of precast concrete plates are assembled and spliced, and then the user can fixedly install the connecting angle steel on the side part of the precast beam through a horizontal high-strength friction type bolt, so that the assembly and splicing between;
s4, dry-type connection between the precast concrete plates:
and paving a cement mortar or plain concrete leveling layer which is not lower than the concrete strength grade of the precast concrete plate on the top surface of the precast concrete plate for leveling and protecting the connecting steel plate and the high-strength friction bolt.
Compared with the prior art, the invention has the beneficial effects that:
the beam-slab structure provided by the invention is convenient to dismantle and does not damage components, and the components can be recycled, thereby making a contribution to sustainable building technology. It reduces the waste of a large amount of non-renewable building materials and also saves the energy required for demolishing concrete buildings. The construction method is quick, and the beam-slab structure does not need any cast-in-place concrete; saving the cost of the template. The construction period is short, obvious economic benefits and social benefits can be obtained, meanwhile, the joint connection structure is simple, the construction process is simplified, the influence of uncertainty in construction on the structural performance is reduced, and the construction efficiency of joint connection is improved.
The high-strength friction type bolt, the guide sleeve, the support connecting spring, the limit connecting shaft and the guide clamping shaft are arranged in the high-strength friction type bolt, and the support connecting spring can provide enough elasticity when the guide sleeve and the limit connecting shaft are tightened by the fixing clamping plate through the connecting threaded bolt, so that when the distance between the guide sleeve and the limit connecting shaft is shorter, the supporting force of the support connecting spring is larger, the stability of positioning connection of two subsequent groups of connecting steel plates through the high-strength friction type bolt is improved, and meanwhile, the cross mounting plate and the four groups are arranged in a cross shape, so that the connection stability is improved after connection is finished, and the stability of subsequent support is improved.
The connecting steel plate is arranged, and the positioning clamping plate, the connecting fixing spring and the fixing telescopic rod which are arranged in the connecting steel plate can provide enough elasticity for the subsequent connecting steel plate during installation, so that the stability of the connecting steel plate installed on the upper portion of the precast concrete plate is effectively improved, and meanwhile, the friction force between the friction connecting groove and the precast concrete plate can be further improved, and the stability of connection between the friction connecting groove and the precast concrete plate is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an exploded view of a body of the present invention;
FIG. 2 is an assembled view of the main body of the present invention;
FIG. 3 is a front view of the body of the present invention;
FIG. 4 is a cross-sectional view taken along the main body elevation A-A of the present invention;
FIG. 5 is a schematic structural view of a connecting steel plate according to the present invention;
FIG. 6 is a top view of a connecting steel plate according to the present invention;
FIG. 7 is a schematic view of the high-strength friction type bolt structure of the present invention;
FIG. 8 is a front view of the high strength friction bolt of the present invention;
FIG. 9 is a cross-sectional view A-A of the high friction type bolt of the present invention in elevation;
FIG. 10 is an enlarged view of a portion of the invention at I;
FIG. 11 is a schematic view of a spring connecting shaft according to the present invention;
FIG. 12 is an exploded view of a second embodiment of the present invention;
fig. 13 is an assembly view of a second embodiment of the present invention.
In the figure: 1-precast concrete slab, 2-positioning spliced eye, 3-connecting steel plate, 4-high-strength friction type bolt, 5-precast beam, 6-connecting angle steel, 7-horizontal high-strength friction type bolt, 31-connecting steel plate shell, 32-fixing spliced groove, 33-cross positioning clamping groove, 34-positioning clamping plate, 35-connecting fixing spring, 36-fixing telescopic rod, 37-friction connecting groove, 41-fixing clamping plate, 42-limiting turntable, 43-guiding sleeve, 44-supporting connecting spring, 45-limiting connecting shaft, 46-cross mounting plate, 47-spring clamping shaft, 48-positioning support plate, 49-guiding clamping shaft, 410-fixing support baffle plate, 411-connecting threaded bolt, 412-overturning clamping groove, 412-clamping groove, 413-spring connecting shaft, 414-positioning clamp joint, 4131-mounting clamping shaft, 4132-positioning connecting spring, 4133-fixed connecting plate and 4134-limiting rotating shaft.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2, 3 and 4, a first embodiment of the present invention: a novel concrete floor slab convenient to dismantle comprises a precast concrete slab 1, positioning splicing holes 2, connecting steel plates 3 and high-strength friction type bolts 4;
three groups of positioning splicing holes 2 for connection are uniformly and equidistantly formed in the outer end surface of the precast concrete plate 1, connecting steel plates 3 for limiting are symmetrically and movably clamped at the positions, opposite to the positioning splicing holes 2, of the outer end surface of the precast concrete plate 1, and the two groups of connecting steel plates 3 are fixedly connected with the precast concrete plate 1 through high-strength friction type bolts 4;
as shown in fig. 5 and 6, the connecting steel plate 3 includes a connecting steel plate housing 31, a fixing insertion groove 32, a cross positioning insertion groove 33, a positioning insertion plate 34, a connecting fixing spring 35, a fixing telescopic rod 36 and a friction connecting groove 37;
the upper end surface of the connecting steel plate shell 31 is penetrated by four groups of fixed inserting grooves 32 for positioning uniformly at equal intervals, the upper end surface of the fixed inserting groove 32 is provided with a cross positioning clamping groove 33 for limiting, the lower end surface of the connecting steel plate shell 31 is symmetrically and fixedly provided with seven groups of fixed telescopic rods 36 for connection uniformly at equal intervals, the lower end surface of the fixed telescopic rods 36 is fixedly provided with positioning clamping and connecting plates 34 for supporting, the connecting steel plate shell 31 and the positioning clamping and connecting plates 34 are elastically and fixedly connected through connecting and fixing springs 35, and the lower end surface of the connecting steel plate shell 31 is uniformly and equidistantly provided with friction connecting grooves 37 for connection;
as shown in fig. 7, 8, 9 and 10, the high-strength friction type bolt 4 includes a fixing clamping plate 41, a limiting rotary table 42, a guide sleeve 43, a support connecting spring 44, a limiting connecting shaft 45, a cross mounting plate 46, a spring clamping shaft 47, a positioning support plate 48, a guide clamping shaft 49, a fixing support baffle 410, a connecting threaded bolt 411, an overturning clamping groove 412, a spring connecting shaft 413 and a positioning clamping joint 414;
a limiting connecting shaft 45 for limiting is fixedly arranged at the center of the upper end face of the cross mounting plate 46, a guide clamping shaft 49 for supporting is fixedly arranged at the center of the upper end face of the limiting connecting shaft 45, a guide sleeve 43 for connection is slidably clamped on the outer end face of the guide clamping shaft 49, a supporting connecting spring 44 for connection is fixedly arranged between the limiting connecting shaft 45 and the guide sleeve 43, four groups of turnover clamping grooves 412 for installation are uniformly and equidistantly symmetrically arranged on the upper end face of the guide sleeve 43, a spring connecting shaft 413 for positioning is elastically and rotatably clamped on the inner end face of the turnover clamping groove 412, a positioning clamping joint 414 is fixedly arranged on the outer end face of the spring connecting shaft 413 right opposite to the interior of the turnover clamping groove 412, a fixed supporting baffle 410 for supporting is fixedly arranged on the outer end face of the positioning clamping joint 414, and a threaded hole for connection is arranged at the center of the upper end face of the limiting connecting shaft 45, a connecting threaded bolt 411 for supporting is connected to the inner portion of the threaded hole in a threaded manner, a fixing clamping plate 41 for guiding is fixedly installed on the top end face of the connecting threaded bolt 411, a limiting rotary table 42 for limiting is rotatably connected to the position, close to the fixing clamping plate 41, of the top end face of the connecting threaded bolt 411, four corners of the upper end face of the cross-shaped mounting plate 46 are uniformly and equidistantly fixedly connected with spring clamping shafts 47 for supporting, and a positioning support plate 48 for connecting is fixedly installed in the center of the upper end face of each spring clamping shaft 47;
as shown in fig. 11, the spring connecting shaft 413 includes a mounting snap shaft 4131, a positioning connecting spring 4132, a fixing connecting plate 4133, and a limit rotating shaft 4134;
a limit rotating shaft 4134 used for supporting is rotatably clamped on the side end face of the fixed connecting plate 4133, an installation clamping shaft 4131 used for connection is fixedly installed at the center of the side end face of the limit rotating shaft 4134, and the installation clamping shaft 4131 and the fixed connecting plate 4133 are elastically and fixedly connected through a positioning connecting spring 4132;
as shown in fig. 7, 9, 10 and 11, the spring clamping shaft 47 includes a sleeve for supporting, a positioning rod slidably clamped inside the sleeve, and a clamping spring for connecting the sleeve to the positioning rod, the structure of the fixed telescopic rod 36 is the same as that of the spring clamping shaft 47, the inner end surface of the guide sleeve 43 is provided with a fixed sliding slot, and the upper end surface of the guide clamping shaft 49 is fixedly provided with a positioning clamping plate, the positioning clamping plate is in sliding clamping fit with the fixed sliding slot, the thickness of the positioning clamping joint 414 is the same as the width of the turning clamping groove 412, the positioning clamping joint 414 is in fixed clamping fit with the outer end surface of the mounting clamping shaft 4131, the fixed supporting baffle 410 is in fit and elastic rotation with the mounting clamping shaft 4131 through the positioning clamping joint 414 and is clamped on the outer end surface of the guide sleeve 43, the bottom end surface of the fixed supporting baffle 410 is in fit and extrusion connection with the bottom end surface of the cross positioning clamping, and the guide sleeve 43 is in adaptive sliding clamping connection with the fixed inserting groove 32, the cross mounting plate 46 is arranged in a cross shape, the cross mounting plate 46 is matched with the cross positioning clamping groove 33 through the positioning support plate 48 and then is in elastic sliding clamping connection with the lower end face of the connecting steel plate 3, a positioning joint is arranged at the joint of the two groups of precast concrete plates 1, and the positioning joint is formed by connecting an upper connecting steel plate 3, a lower connecting steel plate 3 and a high-strength friction type bolt 4.
In the embodiment, when the concrete slab is used, a user can align two groups of precast concrete slabs 1 through an external tool, then position two groups of connecting steel plates 3 in the middle, after the positioning is completed, the user can press the cross mounting plate 46 and the spring clamping shaft 47 into the cross positioning clamping groove 33 at the bottom in a fixed manner, in a normal state, the four groups of fixing and supporting baffles 410 can be vertically combined under the elastic force limitation of the spring connecting shaft 413, so that the high-strength friction type bolt 4 can be directly inserted into the top connecting steel plate 3 through the fixing insertion groove 32 and the positioning insertion hole 2, at the moment, the user can position the connecting threaded bolt 411 into the threaded hole inside the limiting connecting shaft 45, then the user can rotate the fixing and clamping plate 41, the fixing and clamping plate 41 can drive the connecting threaded bolt 411 to be screwed into the limiting connecting shaft 45, and simultaneously the limiting turntable 42 can press the four groups of fixing and supporting baffles 410 outwards, until the four groups of fixed supporting baffles 410 are just clamped into the cross positioning clamping groove 33, the two groups of connecting steel plates 3 and the precast concrete plates 1 are positioned and assembled.
Example 2
On the basis of the embodiment 1, as shown in fig. 12 and 13, two groups of precast concrete plates 1 are spliced on the upper end surface of a precast beam 5, the side end surface of the precast beam 5 is uniformly and equidistantly fixedly connected with three groups of connecting angle steels 6 for connection through horizontal high-strength friction type bolts 7, the two groups of precast concrete plates 1 are positioned between a connecting steel plate 3 and the connecting angle steels 6, the connecting steel plate 3 and the connecting angle steels 6 are fixedly connected through high-strength friction type bolts 4, two sides of the precast beam 5 are provided with a pair of connecting angle steels 6 at intervals of 1.0-1.5m along the length direction of the precast beam 5 at the top surface elevation, the connecting angle steels 6 at two sides are connected with the precast beam 5 through the horizontal high-strength friction type bolts 7, and two adjacent precast concrete plates 1 are placed on the tops of the precast beam 5 and the connecting angle steels 6 and are fixed through the connecting steel plates.
This embodiment is when using, the user can align concatenation at precast beam 5's upper portion with two sets of precast concrete board 1, the user can be fixed a position 2 departments at two sets of precast concrete board 1 middle parts with steel connecting plate 3 afterwards, precast beam 5's bottom can be fixed a position two sets of angle steel 6 to precast beam 5's lateral part through multiunit level friction type bolt 7 that excels in this moment, angle steel 6's upper portion can just right with steel connecting plate 3 simultaneously, correct the back, the user can follow the operation of two sets of steel connecting plate 3 of above-mentioned location, carry out spacing connection with steel connecting plate 3 and angle steel 6 through friction type bolt 4 that excels in, thereby accomplish precast concrete board 1 and precast beam 5's be assembled between.
The method for assembling the novel concrete floor slab by using the embodiment 1 and the embodiment 2 comprises the following steps:
s1, positioning between precast concrete panel 1 and precast concrete panel 1:
firstly, a user can align and position the side edges of two groups of precast concrete plates 1 through an external tool, then the user can say that the outer parts of the two groups of precast concrete plates 1 are limited through an upper connecting steel plate 3 and a lower connecting steel plate 3, and the two groups of connecting steel plates 3 are opposite to a positioning splicing hole 2 in the upper part of the precast concrete plate 1 in the center, so that the steps of positioning the precast concrete plates 1 and the precast concrete plates 1 are completed;
s2, assembling and splicing the precast concrete plate 1 and the precast concrete plate 1:
a user can insert the high-strength friction type bolts 4 into the two groups of connecting steel plates 3 which are positioned, when the high-strength friction type bolts 4 penetrate through the connecting steel plates 3 at the bottom to reach the inside of the connecting steel plates 3 at the top, the user can realize the locking operation of the connecting steel plates 3 by rotating the fixed clamping and connecting plate 41, so that the assembling and splicing operation of the two groups of precast concrete plates 1 is completed;
s3, assembling and splicing the precast concrete plate 1 and the precast beam 5:
a user can position, complete and splice the two groups of precast concrete plates 1 and fix the two groups of precast concrete plates at the center of the upper part of the precast beam 5, then position the connecting steel plate 3 at the upper parts of the two groups of precast concrete plates 1 which are spliced and positioned, the bottom of each precast concrete plate 1 is provided with a connecting angle steel 6 which is just opposite to the connecting steel plate 3, and meanwhile, the vertical surfaces of the connecting steel plates 3 and the connecting angle steel 6 are fixedly connected through high-strength friction type bolts 4, so that the two groups of precast concrete plates 1 are assembled and spliced, and then the user can fixedly install the connecting angle steel 6 at the side part of the precast beam 5 through a horizontal high-strength friction type bolt 7, so that the assembly and splicing between the precast concrete;
s4, dry-type connection between the precast concrete plates 1 and 1:
and paving a cement mortar or plain concrete leveling layer with the strength grade not lower than that of the precast concrete plate 1 on the top surface of the precast concrete plate 1 for leveling and protecting the connecting steel plate 3 and the high-strength friction type bolt 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a novel concrete floor who conveniently demolishs which characterized in that: the concrete slab comprises a precast concrete slab (1), a positioning insertion hole (2), a connecting steel plate (3) and a high-strength friction type bolt (4).
2. A novel concrete floor slab convenient to dismantle according to claim 1, characterized in that: three groups of positioning splicing holes (2) for connection are uniformly and equidistantly formed in the outer end face of the precast concrete plate (1), connecting steel plates (3) for limiting are symmetrically and movably clamped at the position, opposite to the positioning splicing holes (2), of the outer end face of the precast concrete plate (1), and the two groups of connecting steel plates (3) are fixedly connected with the precast concrete plate (1) through high-strength friction type bolts (4); the connecting steel plate (3) comprises a connecting steel plate shell (31), a fixed inserting groove (32), a cross positioning clamping groove (33), a positioning clamping plate (34), a connecting fixed spring (35), a fixed telescopic rod (36) and a friction connecting groove (37); the upper end face of the connecting steel plate shell (31) penetrates through the upper end face and the lower end face of the connecting steel plate shell and is uniformly and equidistantly provided with four groups of fixing insertion grooves (32) for positioning, cross positioning clamping grooves (33) for limiting are formed in the upper end face of each fixing insertion groove (32), seven groups of fixing telescopic rods (36) for connection are uniformly and equidistantly symmetrically fixedly installed on the lower end face of the connecting steel plate shell (31), positioning clamping plates (34) for supporting are fixedly installed on the lower end face of each fixing telescopic rod (36), the connecting steel plate shell (31) and the positioning clamping plates (34) are elastically and fixedly connected through connecting fixing springs (35), and friction connecting grooves (37) for connection are uniformly and equidistantly formed in the lower end face of the connecting steel plate shell (31); the high-strength friction type bolt (4) comprises a fixed clamping plate (41), a limiting rotary table (42), a guide sleeve (43), a supporting connecting spring (44), a limiting connecting shaft (45), a cross mounting plate (46), a spring clamping shaft (47), a positioning support plate (48), a guide clamping shaft (49), a fixed supporting baffle (410), a connecting threaded bolt (411), an overturning clamping groove (412), a spring connecting shaft (413) and a positioning clamping joint (414); the upper end face center of the cross mounting plate (46) is fixedly provided with a limiting connecting shaft (45) for limiting, the upper end face center of the limiting connecting shaft (45) is fixedly provided with a guide clamping shaft (49) for supporting, the outer end face sliding joint of the guide clamping shaft (49) is provided with a guide sleeve (43) for connecting, the guide clamping shaft is positioned between the limiting connecting shaft (45) and the guide sleeve (43) and is fixedly provided with a support connecting spring (44) for connecting, four groups of overturning clamping grooves (412) for installing are symmetrically arranged on the upper end face of the guide sleeve (43) in an even and equidistant mode, the inner end face elastic rotating joint of the overturning clamping groove (412) is provided with a spring connecting shaft (413) for positioning, and the outer end face of the spring connecting shaft (413) is provided with a positioning clamping joint (414) for the internal fixed mode of the overturning clamping groove (412), a fixed supporting baffle (410) for supporting is fixedly arranged on the outer end face of the positioning clamp joint (414), a threaded hole for connection is formed in the center of the upper end face of the limiting connecting shaft (45), a connecting threaded bolt (411) for supporting is in threaded connection with the inner portion of the threaded hole, a fixed clamping plate (41) for guiding is fixedly arranged on the top end face of the connecting threaded bolt (411), a limiting rotary table (42) for limiting is rotatably connected to the position, close to the fixed clamping plate (41), of the top end face of the connecting threaded bolt (411), four corners of the upper end face of the cross mounting plate (46) are uniformly and equidistantly fixedly connected with spring clamping shafts (47) for supporting, and a positioning supporting plate (48) for connecting is fixedly arranged at the center of the upper end face of the spring clamping shaft (47); the spring connecting shaft (413) comprises an installation clamping shaft (4131), a positioning connecting spring (4132), a fixed connecting plate (4133) and a limiting rotating shaft (4134); a limiting rotating shaft (4134) for supporting is rotatably clamped on the side end face of the fixed connecting plate (4133), an installation clamping shaft (4131) for connection is fixedly installed at the center of the side end face of the limiting rotating shaft (4134), and the installation clamping shaft (4131) and the fixed connecting plate (4133) are elastically and fixedly connected through a positioning connecting spring (4132); the spring clamping shaft (47) comprises a sleeve for supporting, a positioning rod in sliding clamping connection in the sleeve and a clamping spring for connecting the sleeve with the positioning rod; the structure of the fixed telescopic rod (36) is the same as that of the spring clamping shaft (47), the inner end face of the guide sleeve (43) is provided with a fixed sliding groove, the upper end face of the guide clamping shaft (49) is fixedly provided with a positioning clamping plate, and the positioning clamping plate is in sliding clamping connection with the fixed sliding groove in a matched mode.
3. A novel concrete floor slab convenient to dismantle according to claim 2, characterized in that: the thickness of the positioning clamp joint (414) is the same as the width of the overturning clamping groove (412), the positioning clamp joint (414) is fixedly clamped with the outer end face of the installation clamping shaft (4131), and the fixed support baffle (410) is matched with the installation clamping shaft (4131) through the positioning clamp joint (414) and then elastically rotates and is clamped on the outer end face of the guide sleeve (43).
4. A novel concrete floor slab convenient to dismantle according to claim 3, characterized in that: the bottom end face of the fixed supporting baffle (410) is attached to the bottom end face of the cross positioning clamping groove (33) in an extruding mode, and the guide sleeve (43) is matched with the fixed inserting groove (32) in a sliding clamping mode.
5. A novel concrete floor slab convenient to dismantle according to claim 4, characterized in that: the cross mounting plate (46) becomes the cross setting, just the cross mounting plate (46) is through location backup pad (48) and cross positioning groove (33) looks adaptation and then elasticity slip joint is at the lower terminal surface of connecting plate (3).
6. A novel concrete floor slab convenient to dismantle according to claim 5, characterized in that: and positioning joints are arranged at the joint of the two groups of precast concrete plates (1), and the positioning joints are formed by connecting an upper connecting steel plate (3), a lower connecting steel plate (3) and a high-strength friction bolt (4).
7. A novel concrete floor slab convenient to dismantle according to claim 2, characterized in that: two sets of precast concrete board (1) splices in the up end of precast beam (5), the side end face of precast beam (5) is used for connecting angle steel (6) through the even equidistance fixed connection three groups of level friction type bolt (7) that excels in, and is two sets of precast concrete board (1) is located between steel connection plate (3) and angle steel (6), just carry out fixed connection through friction type bolt that excels in (4) between steel connection plate (3) and angle steel (6).
8. A novel concrete floor slab convenient to dismantle according to claim 7, characterized in that: and a pair of connecting angle steels (6) are arranged at the top surface elevation position along the length direction of the precast beam (5) at intervals of 1.0-1.5m on the two sides of the precast beam (5).
9. A novel concrete floor slab convenient to dismantle according to claim 8, characterized in that: the connecting angle steels (6) on two sides are connected with the precast beams (5) through horizontal high-strength friction type bolts (7), and two adjacent precast concrete plates (1) are placed on the tops of the precast beams (5) and the connecting angle steels (6) and are fixed through connecting steel plates (3) on the tops of the floor slabs.
10. A novel concrete floor assembly method with easy dismantling according to any one of claims 2 to 9, wherein: the method comprises the following steps:
s1, positioning between the precast concrete plate (1) and the precast concrete plate (1):
firstly, a user can align and position the side edges of two groups of precast concrete plates (1) through an external tool, then the user can say that the outer parts of the two groups of precast concrete plates (1) are limited through an upper group of connecting steel plates and a lower group of connecting steel plates (3), and the two groups of connecting steel plates (3) are opposite to a positioning splicing hole (2) in the upper part of the precast concrete plate (1) in the center, so that the steps of positioning the precast concrete plates (1) and the precast concrete plates (1) are completed;
s2, assembling and splicing the precast concrete plate (1) and the precast concrete plate (1):
a user can insert the high-strength friction type bolts (4) into the two groups of connecting steel plates (3) which are positioned, when the high-strength friction type bolts (4) penetrate through the connecting steel plates (3) at the bottom to reach the inside of the connecting steel plates (3) at the top, the user can realize the locking operation of the connecting steel plates (3) by rotating the fixing clamping plate (41), so that the assembling and splicing operation of the two groups of precast concrete plates (1) is completed;
s3, assembling and splicing the precast concrete plate (1) and the precast beam (5):
the user can position the two groups of precast concrete plates (1) to be spliced and fixed at the center of the upper part of the precast beam (5), then position the connecting steel plate (3) to the upper parts of the two groups of precast concrete plates (1) which are spliced and positioned, the bottom of each precast concrete plate (1) is provided with a connecting angle steel (6) which is right opposite to the connecting steel plate (3), meanwhile, the vertical surfaces of the connecting steel plates (3) and the connecting angle steel (6) are fixedly connected through high-strength friction type bolts (4), so that the two groups of precast concrete plates (1) are assembled and spliced, and then the user can fixedly install the connecting angle steel (6) to the side part of the precast beam (5) through horizontal high-strength friction type bolts (7), so that the assembling and splicing between the precast concrete plates (1) and the precast beam (5) are completed;
s4, dry-type connection between the precast concrete plates (1) and the precast concrete plates (1):
and paving a cement mortar or plain concrete leveling layer which is not lower than the concrete strength grade of the precast concrete plate (1) on the top surface of the precast concrete plate (1) for leveling and protecting the connecting steel plate (3) and the high-strength friction type bolt (4).
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| CN202110252751.2A CN113006356B (en) | 2021-03-09 | 2021-03-09 | Concrete floor slab convenient to dismantle and assembling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575509A (en) * | 2022-02-11 | 2022-06-03 | 崔现沅 | Assembly type building beam plate connecting structure and connecting method |
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| US20170362819A1 (en) * | 2016-06-15 | 2017-12-21 | Frank Sondermann | Profiled rail system for covering the end of a flooring |
| CN212200948U (en) * | 2020-04-21 | 2020-12-22 | 青岛中景设计咨询股份有限公司 | Laminated floor slab |
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| US20170362819A1 (en) * | 2016-06-15 | 2017-12-21 | Frank Sondermann | Profiled rail system for covering the end of a flooring |
| CN212200948U (en) * | 2020-04-21 | 2020-12-22 | 青岛中景设计咨询股份有限公司 | Laminated floor slab |
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| 欧添雁: "《通用结构设计理论与实践》", 31 October 2018, 华中科技大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575509A (en) * | 2022-02-11 | 2022-06-03 | 崔现沅 | Assembly type building beam plate connecting structure and connecting method |
| CN114575509B (en) * | 2022-02-11 | 2023-09-22 | 崔现沅 | Assembled building beam plate connecting structure and connecting method |
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| CN113006356B (en) | 2021-10-08 |
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