CN1285808C - Precasting concrete assembled floorslab - Google Patents

Abstract

The present invention relates to a precast concrete combined floor slab, which comprises at least one floor slab unit and an elevation regulating unit, wherein each of the floor slab units comprises a precast concrete floor slab, and a plurality of casing tubes embedded in the floor slab; the elevation regulating unit is used for regulating the levelness and the elevation of the floor slab units. In addition, the combined floor slab also comprises a plurality of underlay components arranged above the casing tubes, a plurality of cover plates erected above the underlay components respectively, and a coating layer laid directly on the top surface of the floor slab. According to the requirement of the rate of through holes, through holes can be opened on part of the cover plates; the elevation regulating unit is used for adjusting the levelness and the elevation of the floor slab units, and thereby, the accurate control of the elevation of the floor slab and the convenience of the construction of the floor can be achieved. Simultaneously, the precast concrete combined floor slab of the present invention can be formed under the conditions of reducing manufacture cost and increasing the intensity of a supporting structure.

Description

The precast type concrete combined floor

Technical field

The invention relates to a kind of concrete combined floor, be meant a kind of especially with the integrally formed floor panels that is preset with perforate of precasting mode, mat one elevation adjustment unit is adjusted the levelness and the height of this floor panels simultaneously, and directly lays the concrete combined floor of coating layer at end face.

Background technology

The dust free room floor during fabrication in the past, in order to set up ventilation equipment, normally before grouting, on the on-the-spot template of the building of desiring to construct, set up earlier, for example: the shaped device that the Chinese patent notice of authorization number is disclosed for patent cases such as CN2359392Y, CN2467297Y, grouting forms and has most floor unit of reserving through holes then.

Another form of construction work is in advance in the outside at the building scene of desiring to construct, form the floor panels of above-mentioned reservation through hole in advance, again one one floor panels of reserving through hole is scrabbled up floor panels in the building scene, the floor that this job practices forms is called the precast type concrete combined floor.

No matter but be reservation through hole floor at the building scene, perhaps non-precast type concrete combined floor at the building scene, the levelness of its floor and highly neither easy control, especially all the more so at the ventilation floor of the strict dust free room of level height.

Summary of the invention

Precast type concrete combined floor of the present invention is when construction, be one one floor panels of reserving through hole to be scrabbled up floor panels in the building scene at the building scene, adjust desired levelness of this floor panels and height by an elevation adjustment unit, and directly lay coating layer and form this concrete combined floor at end face.The convenience of the accurate control of FFL and level and increase floor slab construction, also can reach and reduce manufacturing cost, enhancement floor braced structures intensity, purposes such as anti-microseism when the combinations thereof floor is constructed except reaching the present invention.

Therefore, the objective of the invention is is providing a kind of and is reducing construction cost, having preferable braced structures intensity, and FFL can be controlled accurately when constructing simultaneously, and the precast type concrete combined floor that increases the floor slab construction convenience.

Precast type concrete combined floor of the present invention comprises: at least one floor panels piece, at least one elevation adjustment unit, optionally more comprise most underlay assemblies, most cover plates in addition, and a coating layer.

Wherein, each floor panels piece all comprises: the floor of a concrete precasting moulding, and several uprightly are embedded in the sleeve pipe on the floor, each sleeve pipe all has the apical margin tube wall concordant with floor, and one defines the through hole that forms by tube wall.

Composite floor of the present invention is to come moulding with a precast type concrete floor slab construction method, above-mentioned precast type job practices is meant on (scene) building site in addition, predetermined ground of floor building, cast in advance the concrete floor cell block of reserving perforate in advance, it is on-the-spot with its job practices that combines that the concrete floor cell block of this precasting moves to the predetermined ground of building again.Above-mentioned job practices comprises the following steps:

(1) base is fixed on the template.

(2) reinforcement placing.

(3) casing pipe sleeve is located on the above-mentioned base.

(4) top cover is installed in the top of sleeve pipe, utilizes a connect mechanism that top cover and base are fixed simultaneously, or fix one or several top covers (series connection) with shaft-like or tabular rolled-up stock compacting.

(5) be in the milk, to form this floor.

(6) disassemble connect mechanism and top cover, shaft-like or tabular connect mechanisms such as rolled-up stock.

(7) disassemble template, when disassembling template, be mounted on the template, so can be disassembled in the lump owing to this base.

(8) set up the elevation adjustment unit, utilize one high height and the levelness of adjusting floor panels of this elevation adjustment unit simultaneously.

(9) on each sleeve pipe, set up underlay assembly.

(10) be coated with the coating layer that one deck is made of epoxy resin.

(11) lid is established cover plate above each underlay assembly.

Elevation adjustment unit of the present invention does not have particular restriction, as long as when construction, the level height of floor panels can be adjusted to the position of requirement, get final product in order to follow-up construction, therefore, it can comprise: the fixedly screwed pipe on several floors that are embedded in the precasting moulding in advance, and several be located at this fixedly high part of frame on the screwed pipe, by the height up and down of the high part of adjustment rack, can control the level height of floor panels, and reach purpose of the present invention.

And this underlay assembly is hollow form, it is the top that is set in the tube wall of this sleeve pipe respectively, and this cover plate is the top that is installed in this underlay assembly respectively, therein on Bu Fen the cover plate and offer perforation, and this coating layer is the end face that covers this floor, and concordant with underlay assembly.

Mat is directly installed underlay assembly and cover plate above sleeve pipe, lay this coating layer simultaneously above the concrete floor unit, except reducing the manufacturing cost, also can make whole composite floor all have preferable braced structures intensity, to make things convenient for the ornaments of board.

The shape of sleeve pipe of the present invention, size are to be decided by shape, the size of reserving perforate on the floor, and the perforate that above-mentioned concrete floor cell block is reserved can be circle or quadrangle and polygon etc., and for example when the cross section of perforate was circle, this sleeve pipe was cylindric.Underlay assembly of the present invention is to be hollow form, and is erected at the top of sleeve pipe, and reclines mutually with the tube wall apical margin of this sleeve pipe, installs for cover plate so that preferable extendable room to be provided.The shape of above-mentioned underlay assembly, size are to be decided by the shape of sleeve pipe, size, have more a pad bead that protrudes in the sleeve pipe apical margin on this underlay assembly, this pad bead can become the benchmark that coating layer is laid, be preferably the radially outstanding length of this pad bead less than one of this sleeve pipe radially outstanding sleeve pipe bead, so that allow this coating layer lay the seam that covers sleeve pipe and concrete floor, prevent that concrete grey is deposited in this seam.

The present invention is in the process of moulding again, can add in addition the firm Dingan County of sleeve pipe is contained in the top cover that a base, on the template is located at the sleeve pipe top, and one is attached between top cover and base, perhaps is connected the connect mechanism between top cover and template.Wherein the structure of this base is also without particular limitation, and it can be a single component, perhaps is made up of two or more assemblies.The face shaping of this connect mechanism can be column, chain, ring-type or the like, the concrete example of above-mentioned connect mechanism can be: pass top cover and be screwed onto spiro connecting piece on the screw, and one screw lock above this spiro connecting piece, and make the nut of top cover and the tight grip sleeve of fixation kit, this connect mechanism is a kind of auxiliary equipment, for the purpose of the present invention, and exactly so be indispensable equipment.In addition, prevent top cover come off and make combination between base, sleeve pipe and top cover more firm aspect, this connect mechanism also can adopt mode directly fixing above top cover, for example above top cover, fix one or several top covers with a shaft-like or tabular rolled-up stock, that is, in the precasting field, fix at least one and be installed in top cover above the sleeve pipe with the series connection of this shaft or plate object.

The material of each assembly of the present invention or mechanism is also without particular limitation, can be material by metal, stainless steel, timber or plastics etc., and great majority are preferable with stainless steel.Wherein underlay assembly with nonmetal be preferable, and coating layer is preferable with resin.

Description of drawings

Fig. 1 is the vertical view of one of composite floor of the present invention preferred embodiment.

Fig. 2 is the not complete three-dimensional exploded view of one of preferred embodiment of the present invention.

Fig. 3 is the sectional view of being got along III-III line among Fig. 2.

Fig. 4 is the not complete enlarged drawing of one of preferred embodiment of the present invention, shows the corresponding relation between one of composite floor of the present invention sleeve pipe, a underlay assembly and a cover plate.

Fig. 5 is the sectional view of being got along V-V line among Fig. 2.

Fig. 6 is a forming process reference diagram of preferred embodiment of the present invention, shows one of the composite floor of the present invention process of floor panels when moulding; And

Fig. 7 is the sectional view of a similar Fig. 5, shows the structure of another preferred embodiment of composite floor of the present invention.

Among the figure:

11-beam column 40-rotating spanner

12-template 41-is screwed pipe fixedly

The high part of 120-forming tank 42-frame

13-base 421-spiral shell changes face

14-top cover 422-shores face

15-connect mechanism 43-load bearing seat

16-rolled-up stock 431-holds recess

2-floor panels piece 5-has blind patch

20-supplemental support layer 5 '-no blind patch

21-floor 51-tegmental wall

The last flooring 511-perforation of 211-

Flooring 52-frame is by wall under the 212-

22-sleeve pipe 521-goes up the section of hanging down

The section of inclining among the 221-tube wall 522-

222-through hole 523-drooping section

223-sleeve pipe bead 6-coating layer

The last vertical section 7-of 224-electrostatic guide device

225-slope expending section 71-conflict unit

Vertical section 711-conflict shell fragment under the 226-

23-reinforcing bar 72-linkage unit

3-underlay assembly 721-sets up part

31-pad bead 722-conductor wire

The last perpendicular rings 73-of 32-leads the ground wiring

33-leans to ring

Perpendicular rings under the 34-

The 35-breach

4-elevation adjustment unit.

The specific embodiment

Address other technology contents, characteristics and effect about before the present invention, in the detailed description of the preferred embodiment of following conjunction with figs., can clearly illustrate that.

Consult Fig. 1,2,3, precast type concrete combined floor of the present invention is suitable as the floor of dust free room, combinations thereof floor system flatly is erected at the top of most beam columns 11, any design that above-mentioned beam column 11 can be girder steel or can set up precast type concrete combined floor of the present invention for concrete column etc., and composite floor of the present invention comprises: the elevation adjustment unit 4 that number floor panels piece 2, most underlay assemblies 3, quantity and floor panels piece 2 are identical, most have blind patch 5, most individual no blind patch 5 ', a coating layer 6, and an electrostatic guide device 7.

Consult Fig. 2,3,4, floor panels piece 2 all is the cuboid by the moulding of concrete precasting, is by near the precasting field in advance cast molding of reusable punching block project site in the present embodiment, is winched on the structure under construction by suspender after the moulding again.Be erected at beam column 11 tops of four rectangular arrangements simultaneously, 2 of each floor panels pieces comprise: the floor 21 of a concrete form, most sleeve pipe 22 that is embedded in equidistantly on this floor 21, and most reinforcing bar 23 that is embedded in this floor 21.Wherein this floor 21 has the last flooring 211 of a level, and one and last flooring 211 between the upper and lower every following flooring 212.And this sleeve pipe 22 all has a tube wall 221 that uprightly is embedded on the floor 21, and one define the through hole 222 that forms by this tube wall 221, the cross section of above-mentioned through hole 222 can be circle, ellipse, rectangle or the like geometry arbitrarily, have on the tube wall 221 the concordant sleeve pipe bead 223 of a ring and last flooring 211, a ring on the radially inner peripheral of this sleeve pipe bead 223 is down vertically extending vertical section 224, a ring from should on vertical section 224 bottoms down and the slope expending section of tiltedly stretching toward central authorities 225, and one encircle from these slope expending section 225 root edges following vertical section 226 of drawdown down.And the part in this reinforcing bar 23 can protrude in this floor 21, and as shown in Figure 1, reinforcing bar 23 outstanding on the adjacent in twos floor panels piece 2 interconnects again, to promote the structural strength of 2 of this adjacent floor panels.Fill and lead up with concrete in 2 of floor panels pieces in twos again after the binding, make it form a complete plane.

And underlay assembly 3 is to be set in sleeve pipe 22 tops respectively, comprise: pad bead 31, a ring that a ring stand is located at sleeve pipe bead 223 tops of sleeve pipe 22 encircle the vertical down following perpendicular rings 34 of extension of 33, one ring from the down vertically extending upward perpendicular rings 32 of the radial inner end of this pad bead 31, a ring with the leaning to of slope expending section 225 applyings of this sleeve pipe 22, and two be located at down on the perpendicular rings 34 and downward opening breach 35, and wherein the length that the pad bead 31 of this underlay assembly 3 is radially outstanding is less than the radially outstanding length of this sleeve pipe bead 223.

Consult Fig. 1,5, elevation adjustment unit 4 of the present invention is to be erected at respectively in each floor 21 of floor panels piece 2, and four corners for example are so that accurately adjust the levelness and the height of each floor panels piece 2.Each elevation floor panels 4 all comprises: the fixedly screwed pipe of four corners that uprightly are embedded in this floor 21 respectively 41, four screw locks are at this fixing high part 42 of frame on the screwed pipe 41, and four load bearing seats 43 that are seated on the beam column 11 respectively and supply the high part of frame 42 bottoms to set up, all have up a spiral shell for above-mentioned high 42 and change face 421, and the face of shoring 422 that protrudes in floor 21 bottom surfaces, and this load bearing seat 43 has one and holds recess 431 up and for what this shored that face 422 abuts against, is to utilize a rotating spanner 40 to rotate this high 42 during adjustment.

When the high part 42 of frame because of spiral shell then down rotation can improve the height in the corner of this floor panels piece 2, otherwise can reduce the height in the corner of this floor panels 2 when more protruding in down flooring 212, adjust the levelness in each corner on this floor panels piece 2 by this.Again in order to improve the steadiness after 11 of each floor panels piece 2 and beam columns set up, the present invention also can be after the levelness of each floor panels piece 2 and Height Adjustment be appropriate, fill up a supplemental support layer 20 between the end face of the following flooring 212 of this floor 21 and beam column 11.

Consult Fig. 3,4, of the present invention have blind patch 5 be selectively be set in the sleeve pipe 22 wherein above several, tegmental wall 51 with a level, and one the frame that down extends from the outer radial periphery edge of this tegmental wall 51 by wall 52, this outside wall surface by wall 52 comprises the section 521 of hanging down on, a section of inclining 522 and a drooping section 523 in one, on aforementioned tegmental wall 51, offer several perforation of arranging in length and breadth 511, and this frame is by the vertical section 521 of going up of wall 52, in the section of inclining 522 and drooping section 523 be to be subjected to vertical section 224 on the sleeve pipe 22 respectively, slope expending section 225, the last perpendicular rings 32 of following vertical section 226 and underlay assembly 3, lean to ring 33, the frame of following perpendicular rings 34 encloses and sets up, and firmly is installed in underlay assembly 3 tops.In design, aforementioned the installation site of blind patch 5 is arranged is to establish in response to needs, and area that this perforation 511 is offered and quantity also are to establish in response to ventilation rate needs, so that cooperate in the dust free room demand of special ventilation rate on each isolated area.

No blind patch 5 ' also firmly is erected at the top of pad unit 3 surely, and the structure of above-mentioned no blind patch 5 ' has been same as blind patch 5 substantially, and has tegmental wall 51 and frame by wall 52, does not offer perforation but have on the tegmental wall 51 of blind patch 5 '.

This coating layer 6 is by for example: the material-paving of tool electrostatic-proof functions such as epoxy resin forms.This coating layer 6 is to be coated on the last flooring 211 of this floor panels piece 2, and it is contour with the pad bead 31 of underlay assembly 3, because the radially outstanding length of aforementioned pad bead 31 is less than the sleeve pipe bead 223 concordant with flooring 211 on this, therefore, 6 covering of the applied layer of seam crossing meeting of concrete floor 21 and sleeve pipe 22, so can avoid plaster to accumulate in aforementioned seam crossing, have influence on the dustproof effect of dust free room.

Electrostatic guide device 7 of the present invention is to be used for allowing the assembly of all metals connect, and forms an anlistatig system, can be at this metal assembly of present embodiment: sleeve pipe 22, blind patch 5 is arranged and do not have blind patch 5 '.And this electrostatic guide device 7 comprises: sleeve pipe 22 and cover plate 5,5 ' conflict unit 71, array that array links on the same group are connected the linkage unit 72 between adjacent two sleeve pipes 22, and one leads ground wiring 73.Each conflict unit 71 all has: two compartment of terrains are fixed on cover plate 5,5 ' frame by on the conflict shell fragment 711 of wall 52 outer peripheral faces, this conflict shell fragment 711 is outstanding by the breach 35 of nonmetallic underlay assembly 3, and be resisted against on the inner peripheral surface of sleeve pipe 22, to form the conflict contact.

And each linkage unit 72 all has the metal of four equal angles ground solid weldings on side face outside the sleeve pipe 22 and sets up part 721, and a conductor wire 722 made of copper, and two line ends of above-mentioned conductor wire 722 mat one screw respectively are combined in this and adjacent two set up between the part 721.And this leads one of them binding on ground wiring 73 and this sleeve pipe 22.Mat should conflict unit 71 and the binding of linkage unit 72, and this leads ground wiring 73 and link with ground, can make cover plate that all metals make 5,5 ' and sleeve pipe 22 polyphones form ground connection.

Cooperate Fig. 2,5,6, composite floor of the present invention in group immediately, at first have and set up the identical base 13 of quantity and sleeve pipe 22 on the precast type template 12 of cuboid forming tank 120 equidistantly one, simultaneously set up upright fixedly screwed pipe 41 in each corner of template 12, then this sleeve pipe 22 is sleeved on this base 13 one by one, in order to increase the steadiness that sleeve pipe 22 sets up, in these sleeve pipe 22 tops underlay assembly 3 is installed again, install as one of Fig. 6 top cover 14 in each underlay assembly 3 top simultaneously, utilize one of Fig. 6 connect mechanism 15 that top cover 14 and base 13 are screwed tight afterwards, can firmly set up this sleeve pipe 22, can suppress a shaft-like or tabular rolled-up stock 16 in each top cover 14 top again after setting up, last again the linkage unit 72 of this electrostatic guide device 7 is installed between adjacent two sleeve pipes 22, fix this simultaneously and lead ground wiring 73, promptly finish combination.After being in the milk, can form floor shown in Figure 3 21.

After concrete setting, disassemble precast type template 12, take off this connect mechanism 15 simultaneously, top cover 14 and base 13, can expose this sleeve pipe 22 and form a floor panels piece 2 as shown in Figure 2, fixedly distinguish high 42 of screw lock on the screwed pipe 41 at each then, again floor panels piece 2 is hung the top of four beam columns 11 of pre-formation floor, utilize level gauge to measure the levelness that goes up flooring 211 then, when last flooring 211 does not reach level, be that spiral shell changes wherein one the high part 42 of frame as shown in Figure 5, the levelness and the height of floor panels piece 2 adjusted in this adjustment of high 42 of mat.

When most floor panels pieces 2 set up into a horizontal plane, fill up concrete in 2 of adjacent in twos floor panels pieces again, with as connecting, on flooring 211 on the floor 21, be coated with one deck epoxy resin then, to form this coating layer 6.Afterwards according to each needs of through-hole rate and lead to the hole site partly on the dust free room, above each is arranged with the sleeve pipe 22 of underlay assembly 3, blind patch 5 is installed selectively, perhaps there is not blind patch 5 ', must go up assembling conflict shell fragment 711 at this cover plate 5,5 ' earlier during installation, and make this conflict shell fragment 711 symmetrically by breach 35 radially outwardly projectings of underlay assembly 3, with the inner peripheral surface butt of sleeve pipe 22.Can organize the upright combined type floor of finishing the present invention by this.In order to promote the steadiness after floor panels piece 2 sets up, can set up this supplemental support layer 20 at floor 21 and 11 of beam columns as shown in Figure 5.

The function of elevation adjustment unit 4 of the present invention is to adjust the height and the levelness of floor panels piece 2, therefore, all can use as long as can reach the design of this top function.For example shown in Figure 7, elevation adjustment unit 4 of the present invention is one or several high 42 to be folded (only illustrating two among Fig. 7) mutually, and above-mentioned overhead 42 is to be erected at floor panels 2 bottom surfaces and 11 of beam columns and thickness cushion block form diversified in specifications.

By above explanation as can be known, the present invention directly presets through hole 222 in the mode of precasting on floor 21, then several floor panels pieces 2 are erected between each beam column 11, lay coating layer 6 in these floor panels piece 2 tops again after setting up, on this through hole 222, selectively be covered with blind patch 5 or do not have blind patch 5 ' simultaneously.The whole composite floor in combination back is directly to support with concrete floor 21.The combinations thereof floor not only makes things convenient for board to put and adjust the position, owing to needn't set up " raised floor " especially during its construction, therefore, the present invention also has the advantage that reduces construction cost, and the coating layer 6 of the epoxy resin that the present invention directly lays also has the effect that produces electrostatic charge when the personnel of preventing or facility move.Owing to adopt the precast type construction, therefore the planeness and the precision on floor 21 surfaces are very easily controlled, and floor 21 thickness are to preset according to shatter-proof progression to form, and therefore, large-scale board or shatter-proof demanding board can directly place on the floor 21 of the present invention and random shift position.

Claims (10)

1. precast type concrete combined floor is characterized in that comprising:

At least one floor panels piece, each floor panels piece all comprises: the floor of a concrete precasting moulding, several erectly are embedded in the sleeve pipe on this floor, and several tube walls by above-mentioned sleeve pipe define the through hole that forms; Reach one and be used for adjusting the levelness of this floor panels and the elevation adjustment unit of height.

2. precast type concrete combined floor according to claim 1 is characterized in that, wherein each elevation adjustment unit all comprises several high.

3. precast type concrete combined floor according to claim 1 is characterized in that, wherein each elevation adjustment unit all comprises: the fixedly screwed pipes in several floors that are located at the precasting moulding, and several rotatably be arranged in this fixedly high part of frame on the screwed pipe.

4. precast type concrete combined floor according to claim 2 is characterized in that, wherein the high part of frame comprises a supplemental support layer.

5. precast type concrete combined floor according to claim 1, it is characterized in that described composite floor more comprises: several underlay assemblies are set on the tube wall of this sleeve pipe respectively.

6. precast type concrete combined floor according to claim 5 is characterized in that described composite floor more comprises: several are installed in the cover plate of this underlay assembly top respectively, offer at least one perforation on one of them at least in this cover plate.

7. precast type concrete combined floor according to claim 6, it is characterized in that described composite floor more comprises: one covers the coating layer of floor end face, and coating layer is concordant with underlay assembly.

8. precast type concrete combined floor according to claim 6 is characterized in that described composite floor more comprises an electrostatic guide device that is used for splicing sleeve and cover plate.

9. precast type concrete combined floor according to claim 1 is characterized in that, wherein the floor panels piece more includes on the floor that is embedded in the precasting moulding and outward extending several bars.

10. precast type concrete combined floor according to claim 1, it is characterized in that, all have on the tube wall of its middle sleeve the ring sleeve pipe bead concordant, a ring with floor from the down vertically extending vertical section, a ring gone up of the radial inner end of this sleeve pipe bead from should going up the vertical section bottom down and the slope expending section of tiltedly stretching toward central authorities, and one encircles from this slope expending section bottom the down following vertical section of drawdown.

Images