CN1990992A

CN1990992A - Cavity form component for cast-in-situ concrete

Info

Publication number: CN1990992A
Application number: CN 200710004582
Authority: CN
Inventors: 邱则有
Original assignee: Individual
Current assignee: Hunan Qiuzeyou Patent Strategy Planning Co Ltd
Priority date: 2003-08-04
Filing date: 2003-08-04
Publication date: 2007-07-04
Anticipated expiration: 2023-08-04
Also published as: CN1293270C; CN1580453A; CN1990990A; CN100577944C; CN1990991A; CN100535296C

Abstract

Disclosed is a cast-in-situ hollow concrete shuttering member which comprises an upper board (1), peripheral side panels (2) and a lower bottom (3), the upper board (1), the peripheral side panels (2) and the lower bottom (3) enclose a polyhedral hollow shuttering member, the lower bottom (3) projects from at least one of the peripheral side panels (2) to form a cantilever slab (4), characterized in that at least one of the side panels (5) of the hollow shuttering members (2) is provided with a vertical groove (8). The invention can be applied to cast-in-situ reinforced concrete or prestressed reinforcement concrete's hollow storied-building roofings, house roofings, walls, foundation bedplates and hollow bridges, especially for hollow flat slabs.

Description

A kind of cast-in-place concrete hollow-cavity mould component

The application is that August 4, application number in 2003 are that 03143763.X, name are called the dividing an application of application for a patent for invention of " a kind of cast-in-place concrete hollow-cavity mould component " for the applying date.

(1) technical field

The present invention relates to a kind of cast-in-place concrete hollow-cavity mould component.

(2) background technology

At present, cast-in-situ concrete hollow floor is to use wider floor structural form, and the lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99249798.1, name are called " filling reinforced concrete fiber reinforcement type thin-wall member " utility model patent as the applicant in the patent No. of application on November 29th, 1999, it discloses a kind of thin-wall mould-shell member, comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity.And for example Shijiazhuang City, Hebei Province city beam army is that ZL00203695.9, name are called " combination concrete hidden rib floor structure " utility model patent in the patent No. of application on February 23rd, 2000, a kind of shuttering member is disclosed in its manual, it can be solid, also can be hollow, its profile can be made shapes such as rectangle, circle, polygon according to designing requirement.And for example the Yu Shaohua of Tianjin is that ZL93206310.1, name are called " shuttering member " utility model patent in the patent No. of application on March 20th, 1993, it also discloses a kind of thin-wall mould-shell member, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, and adopt GRC or magnesium chloride GRC or do not have the manufacturing of sand ﹠ ceramsite cement.The applicant is 01140106.0 in the application number of application on November 23 calendar year 2001 for another example, publication number is CN1356442, name is called " a kind of mould with cavity structure for casting reinforced concrete floor slab " application for a patent for invention, its disclosed mould with cavity structure, comprise " upper plate; sidewall on every side; go to the bottom; upper plate; sidewall on every side; going to the bottom surrounds the polyhedron cavity former component, this cavity former component has in light weight, the intensity height, simple in structure, characteristics such as convenient construction and transport, simultaneously, when reality is used, going to the bottom, it is stressed to participate in, and can hang the greater weight object and in-situ deposited prefabricated bonding surface does not ftracture, in addition, this kind polyhedron cavity former component, in order to save construction formwork, go to the bottom also and can stretch out the formation bridging piece from sidewall on every side, bridging piece can be used as the stay in place formwork of the Cast-in-place concrete rib between the cavity former component, helps improving speed of application, reduces construction cost.Simultaneously, this cavity former component also has simple in structure, characteristics such as intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low.After but this cavity former component is applied to hollow building cover, in the part of finding time of cavity former component, the intensity of hollowcore slab is relative with rigidity relatively poor, and the ability of bearing the point load effect is relatively low, therefore, develop a kind of novel cast-in-place concrete hollow-cavity mould component for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of cast-in-place concrete hollow-cavity mould component, after being applied to hollow building cover, can significantly improve the mechanical property of superstructure, at the position of finding time, its intensity and rigidity are bigger, the ability of bearing the point load effect is stronger, characteristics such as simultaneously, that cavity former component also has is simple in structure, intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low, easy construction, speed of application are fast.

Solution of the present invention is on the basis of existing technology, comprise upper plate, on every side sidewall, go to the bottom, upper plate, on every side sidewall, going to the bottom surrounds the polyhedron cavity former component, go to the bottom and upper plate sidewall around at least one stretches out the formation bridging piece, it is characterized in that at least one of cavity former component around sidewall be provided with at least one vertical groove or/and transverse concave groove.Like this, after cavity former component is applied to cast-in-situ concrete hollow floor, because sidewall is provided with at least one vertical groove around the cavity former component, concrete can form the reinforcing rib of Cast-in-place concrete pier, post or Cast-in-place concrete rib between the cavity former component in groove, thereby improved the mechanical property of superstructure significantly, at the position of finding time, its intensity and rigidity are bigger, and the ability of bearing the point load effect is stronger; Particularly when cavity former component is close to arrangement in superstructure, then forming vertical pier or post in vertical groove, the consumption of reinforcing bar and concrete further reduces, and superstructure is corresponding to have formed shearing pier formula hollow building cover, thereby the mechanical property of superstructure further improves; Simultaneously, characteristics such as that cavity former component also has is simple in structure, intensity is high, resistance to deformation, the anti-vibration performance is good, easy to manufacture, cost is low, easy construction, speed of application are fast, thereby reached purpose of the present invention, the hollow building cover, roof system, body of wall, sole plate and the hollow bridges that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete are used, and are particularly useful for hollow arch without beam and use.

Feature of the present invention also is described going to the bottom to being gone to the bottom by the template and constitute jointly superimposed of going to the bottom.Like this, earlier prefabricated one side is the hollow mould shell of opening, in its opening, be embedded template after, set the bed material slurry again on the template upper berth, maintenance removes the moulding form of going to the bottom after stipulate the length of time, promptly obtains going to the bottom being the superimposed cavity former component of template; Its template and common superimposed the going to the bottom that constitutes of going to the bottom have characteristics such as intensity is big, easy to make, can realize flowing water production, have reduced the cost of cavity former component significantly, help applying of cavity former component.

Feature of the present invention also is described upper plate or sidewall or bridging piece are provided with the carrying part of convenient carrying on every side.The carrying part can be handle, suspension hook, suspension ring or other device.Like this, can very easily cavity former component be piled up, transport, lift and construct, reduce the work difficulty and the working strength of above-mentioned operation.

Feature of the present invention is that also described going to the bottom stretch out bridging piece from the adjacent both sides of sidewall on every side and constitute L shaped bridging piece, perhaps goes to the bottom and all stretch out the annular bridging piece in bridging piece formation side around sidewall on every side.Like this, when cavity former component was applied in the cast-in-situ concrete hollow floor, its bridging piece that stretches out can replace engineering template, has reduced the loss of template, simultaneously, had saved the installation procedure of template, had improved efficiency of construction greatly, had reduced the integrated cost of superstructure.

Feature of the present invention is that also at least one side of described upper plate is extended with bridging piece.Like this, when cavity former component was applied in the cast-in-situ concrete hollow floor, the bridging piece that stretches out can form laminated floor slab with Cast-in-place concrete, had reduced the consumption of Cast-in-place concrete, had reduced the comprehensive cost of superstructure; Simultaneously, when cavity former component is applied to hollow wall, upper plate and the bridging piece of going to the bottom and stretching out, the template that all can be used as the body of wall both sides is used, and can improve efficiency of construction greatly, reduces construction cost.

Feature of the present invention also is to have on the sidewall around at least one of described cavity former component at least one vertical groove that runs through upper panel surface.Like this, when cavity former component is applied in the cast-in-situ concrete hollow floor, Cast-in-place concrete pours in the vertical groove that runs through upper panel surface, on the Cast-in-place concrete rib, formed Cast-in-place concrete vertical strengthening ribs structure, improve the strength and stiffness of Cast-in-place concrete rib, improved the combination property of cast-in-situ concrete hollow floor greatly.

Feature of the present invention also is all to have on the sidewall around all of described cavity former component at least one vertical groove that runs through upper panel surface.Like this, when cavity former component was applied in the cast-in-situ concrete hollow floor, Cast-in-place concrete poured in the vertical groove, had formed Cast-in-place concrete vertical strengthening ribs structure on the Cast-in-place concrete rib, improve the strength and stiffness of Cast-in-place concrete rib, improved the combination property of cast-in-situ concrete hollow floor greatly.

Feature of the present invention is also that described vertical groove is parallel to each other, oblique or extended line oblique.Like this, when cavity former component is applied in the cast-in-situ concrete hollow floor, concrete pours into and above-mentionedly is parallel to each other, in the vertical groove of oblique or extended line oblique after, on the Cast-in-place concrete rib corresponding formed be parallel to each other, the Cast-in-place concrete of oblique or extended line oblique adds competent structure, improved the combination property of superstructure greatly.

Feature of the present invention also be the upper plate of described cavity former component, on every side sidewall or go to the bottom on also be provided with transverse concave groove.Like this, when cavity former component is applied in the cast-in-situ concrete hollow floor, Cast-in-place concrete and upper plate or on every side sidewall or the mould that go up to be provided with of going to the bottom combine to groove, formed the in-situ deposited prefabricated superimposed reinforcement that combines, improved the holistic resistant behavior of superstructure greatly.

Feature of the present invention also is the vertical groove of described cavity former component and transverse concave groove UNICOM each other.Like this, when cavity former component is applied in the cast-in-situ concrete hollow floor, Cast-in-place concrete pours in the groove of above-mentioned mutual UNICOM, form cast-in-place mutual interconnection on the weak part in Cast-in-place Concrete Building Floor and be the whole competent structure that adds, improved the intensity and the rigidity of superstructure greatly, and the overall performance of superstructure.

Feature of the present invention is that also the corner of described cavity former component is vertical groove or transverse concave groove.Like this, when cavity former component was applied in the cast-in-situ concrete hollow floor, Cast-in-place concrete poured in the groove of the corner on the cavity former component, had formed the competent structure that adds of Cast-in-place concrete rib, had improved the load-carrying construction of superstructure greatly, made building cover structure more solid and reliable.

Feature of the present invention also be described upper plate, on every side sidewall, go to the bottom, bridging piece at least one in contain reinforce, perhaps have reinforce to expose.Reinforce is at least a in reinforcing bar, steel wire, presstressed reinforcing steel, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, strap, the braid over braid.Like this, upper plate, on every side sidewall, go to the bottom or bridging piece in contain above-mentioned reinforce, their strength and stiffness have been improved greatly, make cavity former component cracky not in stacking, transportation, installation, work progress, even the breakage of small size is arranged, because of the connection of reinforce is arranged, need not repair yet, can continue to come into operation.If also have reinforce to expose the cavity former component outside on the cavity former component, when cavity former component is applied in the cast-in-situ concrete hollow floor, reinforce and Cast-in-place concrete that it exposes combine, can improve the bond stress between Cast-in-place concrete and the cavity former component greatly, optimize the performance of whole hollow building cover; Simultaneously, expose reinforce and also make things convenient for cavity former component when carrying, make handle or suspension ring or suspension hook and use.

Feature of the present invention also be have reinforce to stretch in the described sidewall and be anchored at go to the bottom or bridging piece in, go to the bottom or bridging piece in have reinforce to stretch into and be anchored in the sidewall.Like this, have reinforce to stretch into and be anchored in the sidewall to go to the bottom interior or bridging piece in, go to the bottom or bridging piece in have reinforce to stretch into and be anchored in the sidewall, thereby, improved sidewall greatly and go to the bottom between bonding strength, can effectively guarantee cavity former component in transportation, installation, work progress, sidewall and go to the bottom or bridging piece between do not ftracture, loosening, do not come off, reduced the breakage rate of cavity former component significantly.

Feature of the present invention is that also the horizontal profile of described polyhedron cavity former component is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.Like this, the variation of polyhedron cavity former component shape, make cavity former component be applied in the cast-in-situ concrete hollow floor after, correspondingly formed various difform cast-in-situ concrete structures, thereby make that the structure of cast-in-situ concrete hollow floor is more reasonable, made things convenient for design and construction unit to select for use.

Feature of the present invention also is also to be provided with on the described cavity former component at least one in inner corner trim, chamfering, pit, hole, boss module, raised line, the external corner.Like this, after cavity former component was applied in the cast-in-situ concrete hollow floor, Cast-in-place concrete poured in groove, inner corner trim, chamfering, pit, the hole, and the corresponding Cast-in-place concrete that forms the part adds competent structure; The boss module that is provided with on the cavity former component, raised line, external corner can be found time the concrete that does not stress in the superstructure, further alleviate the weight of superstructure self, save the consumption of concrete, reduce the cost of superstructure.

Feature of the present invention also is inner corner trim, chamfering, the raised line self that is provided with on the described cavity former component or is parallel, quadrature, oblique or grade separation setting mutually.Like this, after cavity former component is applied in the cast-in-situ concrete hollow floor, groove on the cavity former component, inner corner trim, chamfering, raised line self or be parallel, quadrature, oblique or grade separation setting mutually, after building concrete, the corresponding Cast-in-place concrete that has formed parallel, quadrature, oblique or grade separation adds competent structure, has improved the mechanical property of Cast-in-place Concrete Building Floor greatly.

Feature of the present invention is also that the cross sectional shape of described vertical groove or transverse concave groove is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.Like this, after cavity former component is applied in the cast-in-situ concrete hollow floor, after Cast-in-place concrete pours in the groove of different shape, correspondingly formed the cast-in-situ concrete structure identical with its cross sectional shape, can fully satisfy various different designs and application need, expand the range of application of cavity former component greatly, be convenient to applying of various occasions.

Feature of the present invention also is to be provided with in the enclosed cavity of described cavity former component at least one in stiffening rib, bracing boom, the reinforcing rib, perhaps there be in stiffening rib, the bracing boom at least one to expose, perhaps also have reinforce to expose on stiffening rib, the bracing boom.Like this, after cavity former component is applied in the cast-in-situ concrete hollow floor, stiffening rib, bracing boom, reinforcing rib that is provided with in the cavity former component or the stiffening rib that exposes, bracing boom, can form the cast-in-place and prefabricated composite construction that combines with Cast-in-place concrete, optimize the inner stress system of Cast-in-place Concrete Building Floor.If also have reinforce to expose on it, then cavity former component and Cast-in-place concrete bonding is more firm, and the globality of superstructure is better.

Feature of the present invention also is to be provided with light material in the enclosed cavity of described cavity former component.Like this, improve the shock resistance of cavity former component greatly, reduced the breakage rate of product in the construction application process.Simultaneously, also make cavity former component have better sound insulation, heat insulation, heat-insulating property; Light material can be foamed plastics, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool, glass wool, haydite or haydite concrete etc., and the diversity of its light material kind is drawn materials when being convenient to produce nearby, helps reducing production costs.

Feature of the present invention is that also in described upper plate or the sidewall at least one is for dismountable movable part.Like this, can make things convenient for the situation of checking cavity former component inside at any time, also can perhaps, drench shower nozzle etc. simultaneously at any time at interior section or whole filling with light material of cavity former component as junction box, hydroelectric line, fire-fighting at inner other parts of installing of cavity former component.

Feature of the present invention also is described upper plate, at least one in the external surface of sidewall, bridging piece is corrugated, zigzag, plucking shape or exasperate external surface on every side.Like this, when cavity former component is applied in the cast-in-situ concrete hollow floor, because of its surface is corrugated, zigzag, plucking shape or exasperate external surface, thereby prefabricated cavity former component and the adhesion stress between the Cast-in-place concrete are stronger, thereby can improve the overall performance of superstructure greatly.

Feature of the present invention is that also described cavity former component is provided with align member.Align member can be draw ring, drag hook, iron wire, feet or other device.Like this, after cavity former component is applied in the cast-in-situ concrete hollow floor, can accurately locate cavity former component, prevent that phenomenons such as cavity former component floats, displacement from producing when building concrete, simultaneously, also can carry out spacingly, guarantee the pouring quality of superstructure effectively reinforcing bar.

Feature of the present invention is that also described cavity former component is provided with connector connected to one another between the cavity former component.Connector can be reinforcing bar, steel mesh reinforcement, steel wire, gauze wire cloth, angle steel, channel-section steel, L shaped steel, T-steel, cutting ferrule, bolt, male and female groove, socket component, indention, tongue, groove, bayonet socket, cutting ferrule, hole, embedded iron parts etc.Like this, after cavity former component is applied in the cast-in-situ concrete hollow floor, the connector that is provided with on the cavity former component can be controlled the distance between the cavity former component effectively, reliably, the width and the height of control Cast-in-place concrete rib, the pouring quality of assurance superstructure internal construction; Simultaneously, also help cavity former component connection location each other, accelerate speed of application.

Feature of the present invention is that also at least two above cavity former components are connected as one by bridging piece, constitutes the internal-rib die cavity between the cavity former component.Like this, after cavity former component was applied in the Cast-in-place Concrete Building Floor, Cast-in-place concrete entered in the internal-rib die cavity, had formed the Cast-in-place concrete internal-rib, had improved the mechanical property of superstructure; Simultaneously, cavity former component is connected as one by bridging piece, has constituted the hollow mould shell assembly, thereby, improved the efficiency of construction and the speed of application of superstructure greatly.

Feature of the present invention also is to be provided with in the described internal-rib die cavity fixed or movable support draw piece.Between the spacer draw piece can be rod member, rope, plate, muscle, silk, thin band, pier, piece etc.Like this, owing to be provided with the support draw piece, cavity former component in groups is when the carrying construction, because the support or the drawknot effect of support draw piece, significantly reduced the breakage rate of cavity former component in groups, in the time of in being applied to cast-in-situ concrete hollow floor, installation speed is fast, high efficiency can improve the speed of application of superstructure greatly.

(4) description of drawings

Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is upper plate, 2 be around sidewall, 3 for going to the bottom, 4 is bridging piece, 5 is vertical groove, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component are on every side gone to the bottom and 3 are stretched out for 2 times from sidewall on every side and to constitute bridging piece 4, and sidewall 2 is provided with vertical groove 5 around its cavity former component.

Fig. 2 is the structural representation of the embodiment of the invention 2, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and it goes to the bottom 3 for by the

template

6 and 3 superimposed the going to the bottom that constitute jointly of going to the bottom.

Fig. 3 is the structural representation of the embodiment of the invention 3, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its bridging piece 4 is provided with the carrying part 7 of convenient carrying, and diagram carrying part 7 is a handle.

Fig. 4 is the structural representation of the embodiment of the invention 4, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and it is gone to the bottom and 3 stretches out from the adjacent both sides of sidewall 2 on every side and to constitute L type bridging piece 4.

Fig. 5 is the structural representation of the embodiment of the invention 5, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and sidewall 2 had constituted bridging piece 4 around its upper plate 1 had also stretched out.

Fig. 6 is the structural representation of the embodiment of the invention 6, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and its vertical groove 5 has run through the surface of upper plate 1.

Fig. 7 is the structural representation of the embodiment of the invention 7, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, is provided with the vertical groove 5 that runs through upper plate 1 surface on the sidewall 2 around it.

Fig. 8 is the structural representation of the embodiment of the invention 8, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5, the extended line oblique of its vertical groove 5 around the cavity former component.

Fig. 9 is the structural representation of the embodiment of the invention 9, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its upper plate 1 and be provided with transverse concave groove 8 simultaneously on the sidewall 2 on every side.

Figure 10 is the structural representation of the embodiment of the invention 10, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, upper plate 1 and be provided with transverse concave groove 8 simultaneously on the sidewall 2 on every side, its vertical groove 5 and transverse concave groove 8 be UNICOM each other.

Figure 11 is the structural representation of the embodiment of the invention 11, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and the vertical corner of its cavity former component is set to vertical groove 5.

Figure 12 is the structural representation of the embodiment of the invention 12, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its upper plate 1 and be provided with reinforce 9 in the sidewall 2 on every side, diagram reinforce 9 is a fibrous mesh cloth.

Figure 13 is the structural representation of the embodiment of the invention 13, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, upper plate 1 and be provided with reinforce 9 in the sidewall 2 on every side, diagram reinforce 9 is fibrous mesh cloth or gauze wire cloth, also is provided with fibrous mesh cloth or gauze wire cloth reinforce 9 in its sidewall 2 and stretches into and be anchored at and go to the bottom in 3.

Figure 14 is the structural representation of the embodiment of the invention 14, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and the horizontal profile of its Cavity structural member is shaped as the chamfering polygon.

Figure 15 is the structural representation of the embodiment of the invention 15, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, also is provided with chamfering 11, pit 12 and raised line 15 on its cavity former component simultaneously.

Figure 16 is the structural representation of the embodiment of the invention 16, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, also is provided with inner corner trim 10, hole 13, boss module 14 and external corner 16 on its cavity former component simultaneously.

Figure 17 is the structural representation of the embodiment of the invention 17, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, be provided with stiffening rib 17, bracing boom 18 and reinforcing rib 19 in the enclosed cavity of its cavity former component, simultaneously, stiffening rib 17 and bracing boom 18 have part to be exposed to outside the cavity former component.

Figure 18 is the structural representation of the embodiment of the invention 18, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, be provided with light material 20 in the enclosed cavity of its cavity former component, diagram light material 20 is an expanded perlite.

Figure 19 is the structural representation of the embodiment of the invention 19, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and its upper plate 1 is movable dismountable fastening cover plate.

Figure 20 is the structural representation of the embodiment of the invention 20, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its upper plate 1 is the waveform upper plate, and sidewall 2 and bridging piece 4 are the exasperate external surface all around.

Figure 21 is the structural representation of the embodiment of the invention 21, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its cavity former component is provided with a plurality of align members 21, and illustrated position member 21 is for supporting locating piece.

Figure 22 is the structural representation of the embodiment of the invention 22, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, also be provided with a plurality of connectors 22 connected to one another between the cavity former component that are used on its cavity former component, diagram connector 22 is the support idler arm.

Figure 23 is the structural representation of the embodiment of the invention 23, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its a plurality of cavity former components are connected as one by bridging piece 4, constitute a plurality of internal-rib die cavitys 23 between the cavity former component.

Figure 24 is the structural representation of the embodiment of the invention 24, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, a plurality of cavity former components are connected as one by bridging piece 4, constitute a plurality of internal-rib die cavitys 23 between the cavity former component, be provided with a plurality of fixing support draw pieces 24 in its internal-rib die cavity 23, diagram support draw piece 24 is the support idler arm.

(5) specific embodiment

The present invention is further illustrated below in conjunction with drawings and Examples.

The present invention as shown in drawings, comprise upper plate 1, on every side sidewall 2, go to the bottom 3, upper plate 1, on every side sidewall 2, going to the bottom 3 surrounds the polyhedron cavity former component, go to the bottom 3 and upper plate 1 sidewall 2 around at least one stretch out and constitute bridging piece 4, it is characterized in that at least one of cavity former component around sidewall 2 be provided with at least one vertical groove 5 or/and transverse concave groove 8.Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is upper plate, 2 be around sidewall, 3 for going to the bottom, 4 is bridging piece, 5 is vertical groove, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component are on every side gone to the bottom and 3 are stretched out for 2 times from sidewall on every side and to constitute bridging piece 4, and sidewall 2 is provided with vertical groove 5 around its cavity former component.As shown in Figure 5, the cast-in-place concrete hollow-cavity mould component comprise upper plate 1, on every side sidewall 2, go to the bottom 3, upper plate 1, on every side sidewall 2, going to the bottom 3 surrounds the polyhedron cavity former component, go to the bottom 3 and upper plate 1 stretch out from sidewall 2 on every side and constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around its cavity former component.

Feature of the present invention also be described go to the bottom 3 for by template 6 with go to the bottom 3 superimposed the going to the bottom that constitute jointly.Fig. 2 is the structural representation of the embodiment of the invention 2, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and it goes to the bottom 3 for by the

template

Feature of the present invention also is described upper plate 1 or sidewall 2 or bridging piece 4 are provided with the carrying part 7 of convenient carrying on every side.Carrying part 7 can be handle, suspension hook, suspension ring or other device.Fig. 3 is the structural representation of the embodiment of the invention 3, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its bridging piece 4 is provided with the carrying part 7 of convenient carrying, and diagram carrying part 7 is a handle.

Feature of the present invention is that also described going to the bottom 3 stretch out bridging piece 4 from the adjacent both sides of sidewall 2 on every side and constitute L shaped bridging piece, perhaps goes to the bottom 3 all to stretch out the annular bridging piece in bridging piece 4 formation sides around sidewall 2 on every side.Fig. 4 is the structural representation of the embodiment of the invention 4, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and it is gone to the bottom and 3 stretches out from the adjacent both sides of sidewall 2 on every side and to constitute L type bridging piece 4.

Feature of the present invention is that also at least one side of described upper plate 1 is extended with bridging piece 4.Fig. 5 is the structural representation of the embodiment of the invention 5, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and sidewall 2 had constituted bridging piece 4 around its upper plate 1 had also stretched out.

Feature of the present invention also is to have on the sidewall 2 around at least one of described cavity former component at least one vertical groove 5 that runs through upper plate 1 surface.Fig. 6 is the structural representation of the embodiment of the invention 6, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and its vertical groove 5 has run through the surface of upper plate 1.

Feature of the present invention also is all to have on the sidewall 2 around all of described cavity former component at least one vertical groove 5 that runs through upper plate 1 surface.Fig. 7 is the structural representation of the embodiment of the invention 7, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, is provided with the vertical groove 5 that runs through upper plate 1 surface on the sidewall 2 around it.

Feature of the present invention is also that described vertical groove 5 is parallel to each other, oblique or extended line oblique.Fig. 8 is the structural representation of the embodiment of the invention 8, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5, the extended line oblique of its vertical groove 5 around the cavity former component.

Feature of the present invention also is the upper plate 1 of described cavity former component, sidewall 2 or go to the bottom and also be provided with transverse concave groove 8 on 3 on every side.Fig. 9 is the structural representation of the embodiment of the invention 9, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its upper plate 1 and be provided with transverse concave groove 8 simultaneously on the sidewall 2 on every side.

The vertical groove 5 that feature of the present invention also is described cavity former component and transverse concave groove 8 be UNICOM each other.Figure 10 is the structural representation of the embodiment of the invention 10, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, upper plate 1 and be provided with transverse concave groove 8 simultaneously on the sidewall 2 on every side, its vertical groove 5 and transverse concave groove 8 be UNICOM each other.

Feature of the present invention is that also the corner of described cavity former component is vertical groove 5 or transverse concave groove 8.Figure 11 is the structural representation of the embodiment of the invention 11, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and the vertical corner of its cavity former component is set to vertical groove 5.

Feature of the present invention also be described upper plate 1, on every side sidewall 2, go to the bottom 3, bridging piece 4 at least one in contain reinforce 9, perhaps have reinforce 9 to expose.Reinforce 9 is at least a in reinforcing bar, steel wire, presstressed reinforcing steel, steel mesh reinforcement, gauze wire cloth, fiber, fibre bundle, fibrous mesh cloth, nonwoven, metal foil band, strap, the braid over braid.Figure 12 is the structural representation of the embodiment of the invention 12, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its upper plate 1 and be provided with reinforce 9 in the sidewall 2 on every side, diagram reinforce 9 is a fibrous mesh cloth.

Feature of the present invention also is have reinforce 9 to stretch into and be anchored in the described sidewall 2 go to the bottom 3 or bridging piece 4 in, go to the bottom 3 or bridging piece 4 in have reinforce 9 to stretch into and be anchored in the sidewall 2.Figure 13 is the structural representation of the embodiment of the invention 13, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, upper plate 1 and be provided with reinforce 9 in the sidewall 2 on every side, diagram reinforce 9 is fibrous mesh cloth or gauze wire cloth, also is provided with fibrous mesh cloth or gauze wire cloth reinforce 9 in its sidewall 2 and stretches into and be anchored at and go to the bottom in 3.

Feature of the present invention is that also the horizontal profile of described polyhedron cavity former component is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular.Figure 14 is the structural representation of the embodiment of the invention 14, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and the horizontal profile of its Cavity structural member is shaped as the chamfering polygon.

Feature of the present invention also is also to be provided with on the described cavity former component at least one in inner corner trim 10, chamfering 11, pit 12, hole 13, boss module 14, raised line 15, the external corner 16.Figure 15 is the structural representation of the embodiment of the invention 15, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, also is provided with chamfering 11, pit 12 and raised line 15 on its cavity former component simultaneously.Figure 16 is the structural representation of the embodiment of the invention 16, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, also is provided with inner corner trim 10, hole 13, boss module 14 and external corner 16 on its cavity former component simultaneously.

The inner corner trim 10 that feature of the present invention also is to be provided with on the described cavity former component, chamfering 11, raised line 15 self or be parallel, quadrature, oblique or grade separation setting mutually.As shown in figure 16, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, the inner corner trim 10 that is provided with on its cavity former component, chamfering 11 self or be parallel, quadrature mutually or the grade separation setting.

Feature of the present invention is also that the cross sectional shape of described vertical groove 5 or transverse concave groove 8 is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.As shown in figure 16, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and the cross sectional shape of its described vertical groove 5 or transverse concave groove 8 is square opening and U-shaped.

Feature of the present invention also is to be provided with in the enclosed cavity of described cavity former component at least one in stiffening rib 17, bracing boom 18, the reinforcing rib 19, perhaps there be in stiffening rib 17, the bracing boom 18 at least one to expose, perhaps also have reinforce 9 to expose on stiffening rib 17, the bracing boom 18.Figure 17 is the structural representation of the embodiment of the invention 17, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, be provided with stiffening rib 17, bracing boom 18 and reinforcing rib 19 in the enclosed cavity of its cavity former component, simultaneously, stiffening rib 17 and bracing boom 18 have part to be exposed to outside the cavity former component.

Feature of the present invention also is to be provided with light material 20 in the enclosed cavity of described cavity former component.Figure 18 is the structural representation of the embodiment of the invention 18, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, be provided with light material 20 in the enclosed cavity of its cavity former component, diagram light material 20 is an expanded perlite.

Feature of the present invention is that also in described upper plate 1 or the sidewall 2 at least one is for dismountable movable part.Figure 19 is the structural representation of the embodiment of the invention 19, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, and its upper plate 1 is movable dismountable fastening cover plate.

Feature of the present invention also is described upper plate 1, at least one in the external surface of sidewall 2, bridging piece 4 is corrugated, zigzag, plucking shape or exasperate external surface on every side.Figure 20 is the structural representation of the embodiment of the invention 20, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its upper plate 1 is the waveform upper plate, and sidewall 2 and bridging piece 4 are the exasperate external surface all around.

Feature of the present invention is that also described cavity former component is provided with align member 21.Figure 21 is the structural representation of the embodiment of the invention 21, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its cavity former component is provided with a plurality of align members 21, and illustrated position member 21 is for supporting locating piece.

Feature of the present invention is that also described cavity former component is provided with connector 22 connected to one another between the cavity former component.Figure 22 is the structural representation of the embodiment of the invention 22, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, also be provided with a plurality of connectors 22 connected to one another between the cavity former component that are used on its cavity former component, diagram connector 22 is the support idler arm.

Feature of the present invention is that also at least two above cavity former components are connected as one by bridging piece 4, constitutes internal-rib die cavity 23 between the cavity former component.Figure 23 is the structural representation of the embodiment of the invention 23, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, its a plurality of cavity former components are connected as one by bridging piece 4, constitute a plurality of internal-rib die cavitys 23 between the cavity former component.

Feature of the present invention also is to be provided with in the described internal-rib die cavity 23 fixed or movable support draw piece 24.Figure 24 is the structural representation of the embodiment of the invention 24, upper plate 1, sidewall 2 and go to the bottom and 3 surround and constitute the polyhedron cavity former component on every side, go to the bottom and 3 stretch out for 2 times from sidewall on every side and to constitute bridging piece 4, sidewall 2 is provided with vertical groove 5 around the cavity former component, a plurality of cavity former components are connected as one by bridging piece 4, constitute a plurality of internal-rib die cavitys 23 between the cavity former component, be provided with a plurality of fixing support draw pieces 24 in its internal-rib die cavity 23, diagram support draw piece 24 is the support idler arm.

During the invention process, can adopt cement gel ramming material and fiberglass gridding cloth or gauze wire cloth, in mould, make one deck cementitious matter layer of glass grid cloth cavity former component of the opening of the 2 band grooves 5 of sidewall on every side with layer structure of the multilayer build-up of one deck cementitious matter again, demoulding maintenance is to stipulating the length of time, promptly obtain the open cavity shuttering member, then, in following bottom die, make and go to the bottom 3, its slurry of 3 of going to the bottom can adopt cement mortar or cement concrete, also can place reinforces 9 such as reinforcing bar or gauze wire cloth in 3 going to the bottom, before the 3 slurry setting and hardens of going to the bottom, the opening edge of the open cavity shuttering member that makes in advance 3 is bonded to integral body with going to the bottom, the demoulding behind 3 setting and hardens of waiting to go to the bottom, maintenance promptly obtain on every side sidewall 2 with the cast-in-place concrete hollow-cavity mould component of vertical groove 5 after stipulate the length of time.

Claims

1, a kind of cast-in-place concrete hollow-cavity mould component, comprise upper plate (1), sidewall (2), go to the bottom (3) on every side, upper plate (1), sidewall (2), go to the bottom (3) surround the polyhedron cavity former component on every side, (3) and upper plate (1) sidewall (2) around at least one of going to the bottom stretches out and constitutes bridging piece (4), it is characterized in that at least one of cavity former component around sidewall (2) be provided with at least one vertical groove (5) or/and transverse concave groove (8).

2, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that superimposed go to the bottom of described going to the bottom (3) for being made of jointly template (6) and go to the bottom (3).

3, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that described upper plate (1) or sidewall (2) or bridging piece (4) are provided with the carrying part (7) of convenient carrying on every side.

4, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1, it is characterized in that described going to the bottom (3) stretch out bridging piece (4) from the adjacent both sides of sidewall (2) on every side and constitute L shaped bridging piece, perhaps go to the bottom (3) all stretch out the annular bridging piece in bridging piece (4) formation side around sidewall (2) on every side.

5, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that at least one side of described upper plate (1) is extended with bridging piece (4).

6, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that having on the sidewall (2) around at least one of described cavity former component at least one vertical groove (5) that runs through upper plate (1) surface.

7, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that all having on the sidewall (2) around all of described cavity former component at least one vertical groove (5) that runs through upper plate (1) surface.

8, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that described vertical groove (5) is parallel to each other, oblique or extended line oblique.

9, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that the upper plate (1) of described cavity former component, also is provided with transverse concave groove (8) on sidewall (2) or go to the bottom (3) on every side; The perhaps vertical groove (5) of cavity former component and transverse concave groove (8) UNICOM each other; Perhaps the corner of cavity former component is vertical groove (5) or transverse concave groove (8); Perhaps upper plate (1), contain reinforce (9) at least one of sidewall (2), go to the bottom (3), bridging piece (4) on every side, perhaps have reinforce (9) to expose; Perhaps have reinforce (9) to stretch into and be anchored in the sidewall (2) to go to the bottom (3) or bridging piece (4) in, go to the bottom (3) or bridging piece (4) in have reinforce (9) to stretch into and be anchored in the sidewall (2).

10,, it is characterized in that the horizontal profile of described polyhedron cavity former component is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 13; Perhaps also be provided with at least one in inner corner trim (10), chamfering (11), pit (12), hole (13), boss module (14), raised line (15), the external corner (16) on the cavity former component; The perhaps inner corner trim that is provided with on the cavity former component (10), chamfering (11), raised line (15) self or be parallel, quadrature, oblique or grade separation setting mutually; The cross sectional shape of perhaps vertical groove (5) or transverse concave groove (8) is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle; Perhaps be provided with at least one in stiffening rib (17), bracing boom (18), the reinforcing rib (19) in the enclosed cavity of cavity former component, perhaps have in stiffening rib (17), the bracing boom (18) at least one to expose, perhaps stiffening rib (17), bracing boom (18) are gone up and are also had reinforce (9) to expose; Perhaps be provided with light material (20) in the enclosed cavity of cavity former component; Perhaps at least one in upper plate (1) or the sidewall (2) is dismountable movable part; Perhaps upper plate (1), at least one in the external surface of sidewall (2), bridging piece (4) is corrugated, zigzag, plucking shape or exasperate external surface on every side; Perhaps cavity former component is provided with align member (21); Perhaps cavity former component is provided with connector connected to one another (22) between the cavity former component; Perhaps at least two above cavity former components are connected as one by bridging piece (4), constitute internal-rib die cavity (23) between the cavity former component; Perhaps be provided with fixed or movable support draw piece (24) in the internal-rib die cavity (23).