CN102514088A

CN102514088A - Novel concrete formwork

Info

Publication number: CN102514088A
Application number: CN2011104100325A
Authority: CN
Inventors: 许金锔; 吴清瑶
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-09
Filing date: 2011-12-09
Publication date: 2012-06-27
Anticipated expiration: 2031-12-09
Also published as: CN102514088B

Abstract

The invention discloses a novel concrete formwork which comprises a plurality of formwork units and formwork fasteners, wherein the plurality of formwork units are mutually spliced, and the formwork fasteners are used for connecting the plurality of formwork units; the formwork units are mutually spliced by rabbets and mortises or connecting rods inserted in the mortises arranged on the formwork units, and the formwork fasteners are arranged on the joints of the formwork units by fixing bolts. In the novel concrete formwork, because the formwork units are mutually spliced by the rabbets and the mortises with a high speed, the production efficiency can be improved, and due to the accurate positioning among the formwork units, the splicing quality can be improved; and the formwork units can also be tightly spliced to the concrete formwork with a set shape, splicing crevices among the formwork units are narrowed, and the surface of the concrete formwork can not generate obvious raised edges after concrete cures so that the whole effects of buildings are improved.

Description

A kind of new concrete template

Technical field

The present invention relates to a kind of concrete construction and use member, particularly relate to a kind of new concrete template.

Background technology

A large amount of templates of using in the process of precast concrete, owing to the concrete blinding that difform building uses is different, therefore most template can not be reused and cause significant wastage; Adopted standardized modular unit, modular unit is reusable and can be spliced into the concrete blinding of different shape for this reason.

But the existing templates unit is a piece ground splicing when construction; Not only efficient is low but also operation inconvenience; The size of piece is also wayward, and when piece was big, tangible irregular lug, nib can appear in the surface after the concrete setting; Bring inconvenience to follow-up work, even can have influence on the whole structure of building.

Summary of the invention

In view of this, the object of the present invention is to provide a kind of new concrete template that can improve splicing efficient and dwindle piece.

In order to reach above-mentioned purpose, solution of the present invention is:

A kind of new concrete template; Comprise a plurality of modular units of mutual splicing and a plurality ofly be used to connect the formwork with fastener-style of establishing a plurality of modular units; Splice each other through tenon and tongue-and-groove between the said modular unit or splice each other through the connecting rod that is plugged in the tongue-and-groove that is provided with on the said modular unit, said formwork with fastener-style is located at the jointing positions of said modular unit through set bolt.

The cross section of said tenon and tongue-and-groove is rectangle, square, swallow-tail form or trapezoidal.

Be provided with the through hole that connects its length direction two surfaces in the said modular unit, be inserted with the connecting rod that is used to splice modular unit in this through hole.

Be distributed with the installing hole on its thickness direction two surfaces of a plurality of perforations in the said modular unit, be respectively equipped with nut in each installing hole.

Said nut is the T type nut that tapered nut or its T type end point to concrete one end, and said nut points to the diameter of the diameter of concrete one end greater than the other end.

The cylinder of said nut is provided with longitudinal fluting and/or transverse concave groove.

Said nut point to a concrete end respectively spiral shell be provided with the stripper bolt that the demoulding is used, said set bolt is arranged in the other end of said nut.

The end face of the bolt column of said stripper bolt is provided with the recess that is used to turn stripper bolt.

Be equipped with groove on the bolt head of said stripper bolt, be provided with sealing ring in this groove.

A kind of new concrete template also comprises in order to supporting concrete stay pipe, said modular unit with or formwork with fastener-style be provided with in order to the suitable positioning pipe of this fore-set.

After adopting said structure, a kind of new concrete template of the present invention has following beneficial effect:

One, splices each other through tenon and tongue-and-groove between each modular unit, not only splice speed and can enhance productivity soon, and the accurate positioning between each modular unit can improve joining quality; And can also make each modular unit closely be spliced into the concrete blinding of setting shape, and dwindling the piece between each modular unit, the surface tangible lug, nib can not occur after the concrete setting, and then improves the whole structure of building;

Two, compare through knocking the stripping means that modular unit is peeled off from the moulding concrete with existing; Among the present invention, after concrete setting,, modular unit and moulding concrete block are got loose the replacing under the effect of bolt head of stripper bolt towards the direction rotating stripping demoulding bolt of moulding concrete block; Back-out action through stripper bolt realizes the demoulding; Modular unit can not deform, and each faying face of modular unit can not deform yet, and has improved the repeat usage of modular unit; Nor can have influence on the moulding concrete block, thereby reach effective noiseless stripping result;

Three, formwork with fastener-style is located at the jointing positions of modular unit through set bolt, and after the concrete setting, this end of recess from the bolt column of set bolt unloads set bolt, can be to concrete block and the fast quick-detach concrete blinding of modular unit interference-free.

Description of drawings

Fig. 1 is the splicing sketch map one of the modular unit in a kind of new concrete template of the present invention;

Fig. 2 is the splicing sketch map two of the modular unit in a kind of new concrete template of the present invention;

Fig. 3 is the I portion enlarged diagram among Fig. 2;

Fig. 4 is the sketch map of the embodiment one of the modular unit among the present invention;

Fig. 5 is the sketch map of the embodiment two of the modular unit among the present invention;

Fig. 6 is the sketch map of the embodiment three of the modular unit among the present invention;

Fig. 7 is the sketch map of the embodiment four of the modular unit among the present invention;

Fig. 7 a is the sketch map of the embodiment five of the modular unit among the present invention;

Fig. 8 is the sketch map of the embodiment one of the formwork with fastener-style among the present invention;

Fig. 9 is the sketch map of the embodiment two of the formwork with fastener-style among the present invention;

Figure 10 is the sketch map of the embodiment three of the formwork with fastener-style among the present invention;

Figure 11 is another embodiment sketch map of the nut among the present invention.

Among the figure:

Modular unit 1 modular unit 1a

Tenon 11 tongue-and-grooves 12

Through hole 13 connecting rods 14

Installing hole 15 formwork with fastener-style 2

Long trough hole 21 positioning pipes 22

Nut 3 longitudinal flutings 31

Transverse concave groove 32 stripper bolts 4

Recess 41 grooves 42

Sealing ring 43 set bolts 5

Stay pipe 6 concrete blocks 7

The specific embodiment

In order further to explain technical scheme of the present invention, come the present invention is set forth in detail through specific embodiment below.

Shown in Fig. 1 to 11, a kind of new concrete template of the present invention comprises modular unit 1, formwork with fastener-style 2, nut 3, stripper bolt 4, set bolt 5 and stay pipe 6.

Modular unit 1 is the wood-based planet or the plastic plate of rectangle; Embodiment one to four shown in Fig. 4 to 7; Periphery along modular unit 1 is provided with tenon 11 and tongue-and-groove 12; Tenon 11 is separately positioned on upper surface, lower surface or the side of modular unit 1 with tongue-and-groove 12, and the cross section of tenon 11 and tongue-and-groove 12 is rectangle, square, swallow-tail form or trapezoidal.At least be provided with a through hole 13 that connects its length direction two surfaces in the modular unit 1, be inserted with the connecting rod 14 of splicing usefulness in the through hole 13.Preferably, through hole 13 is parallel to tenon 11 and tongue-and-groove 12.Shown in Fig. 1 and Fig. 7 a, be that as the modular unit 1a of embodiment five and the main distinction of modular unit recited above 1 outer edge of modular unit 1a is not provided with tenon 11 and tongue-and-groove 12, other structures are identical with modular unit 1.Modular unit 1a is mainly used in the outer edge place of splicing at concrete blinding, certainly, also can be spliced into concrete blinding by a plurality of modular unit 1a, and through formwork with fastener-style 2 each modular unit 1a is connect in jointing positions to establish.

Multiple connecting method below two modular units 1 can form: 1, a plurality of modular units 1 are spliced to form the concrete blinding of setting shape each other through tenon 11 and tongue-and-groove 12; 2, when the side of two modular units 1 of involutory splicing when being respectively equipped with tongue-and-groove 12, in two involutory tongue-and-grooves 12, wear connecting rod 14; 3, in the through hole 13 of two modular units 1, plug connecting rod 14, modular unit 1 is spliced along through hole 13 directions; 4, when along continuous straight runs and vertical direction splicing concrete blinding; The side of the modular unit 1 that horizontal direction is placed rides on the upper surface of tenon 11 of modular unit 1 of vertical placement; During the demoulding, the modular unit 1 that takes off vertical placement downwards can each modular unit 1 of fast quick-detach like this.A plurality of modular units 1 connect with modular unit 1a and are set as concrete blinding and surround various die cavities, in this die cavity, pour into coagulation.

Formwork with fastener-style 2 is for the metalwork of yi word pattern, L type or U type and be provided with long trough hole 21 and positioning pipe 22, and formwork with fastener-style 2 is located at the jointing positions of modular unit 1 through being located in set bolts 5 in the long trough hole 21.

Nut 3 buries respectively to be installed on the modular unit 1 and lays in a plurality of installing holes 15, and installing hole 15 is for connecting the through hole on modular unit 1 thickness direction two surfaces, and the setting of staggering of installing hole 15 and the through hole 13 that extends along modular unit 1 length direction.Nut 3 is tapered nut, and nut 3 points to the diameter of the diameter of concrete one end greater than the other end, points to a concrete end spiral shell at nut 3 and establishes stripper bolt 4, establishes set bolt 5 at the other end spiral shell of nut 3; Tapered nut 3 can effectively stop nut 3 when the demoulding, from installing hole 15, to be deviate from.As another embodiment of nut 3, can be T type nut, preferably shown in figure 11, nut 3 is a T type flare nut, the diameter of the T type end of nut 3 is greater than the diameter of the other end, and establishes stripper bolt 4 at T type end spiral shell, establishes set bolt 5 at the other end spiral shell of nut 3.Be respectively equipped with on the cylinder of tapered nut, T type nut and T type flare nut longitudinal fluting 31 and or transverse concave groove 32; Transverse concave groove 32 can further effectively stop nut 3 when the demoulding, from installing hole 15, to be deviate from T type end, and longitudinal fluting 31 can prevent nut 3 along with stripper bolt 4 and set bolt 5 rotate together, realization fast demoulding and fixed installation.Nut 3 can be uniformly distributed with on modular unit 1, on concrete block 7, selects suitable demoulding point so as required, forms good noiseless stripping result.

It is yi word pattern, cross, square rectangle or hexagonal recess 41 that the end face of the bolt column of stripper bolt 4 is provided with the cross section; After concrete setting; Turn stripper bolt 4 through recess 41 towards the direction of concrete block 7; Replace effect down in the back-out of the bolt head of stripper bolt 4, the concrete block 7 of modular unit 1 and moulding is got loose.In addition, stripper bolt 4 is set respectively in nut 3, can stops that also foreign material such as concrete, water get in the nut 3, the one, save cleanup step and be convenient in nut 3, install stripper bolt 4 and set bolt 5, two, protection nut 3 also plays antirust effect; Also can encircle on the bolt head of stripper bolt 4 and establish groove 42, sealing ring 43 is set in groove 42, can stop effectively further that also concrete gets in the nut 3.The cross section of the bolt head of stripper bolt 4 can be taper type or rectangle, and the bolt head of square-section can form mazy sealing effectiveness with the internal face of nut 3.

Stay pipe 6 adopts steel pipe, supports in concrete overhead positions, and formwork with fastener-style 2 is provided with the positioning pipe 22 mutually sheathed with the end of stay pipe 6, also can on modular unit 1, positioning pipe be set.

A kind of new concrete template of the present invention is spliced through tenon 11 and tongue-and-groove 12 between each modular unit 1 each other, not only splice speed and can enhance productivity soon, and the accurate positioning between each modular unit 1 can improve joining quality; And can also make each modular unit 1 closely be spliced into the concrete blinding of setting shape, and reducing the piece between each modular unit 1, the surface tangible lug, nib can not occur after the concrete setting, and then improves the whole structure of building.

Through tapping template its stripping means of peeling off from the moulding concrete is compared with existing; The present invention realizes the demoulding through the back-out action of stripper bolt 4; Modular unit 1 can not deform, and each faying face of modular unit 1 can not deform yet, and improves the repeat usage of modular unit 1; Nor can have influence on moulding concrete block 7, thereby reach effective noiseless stripping result.

As preferred embodiment of the present invention, as shown in Figure 2, when the concrete perfusion column, the backing plate and wear long bolt of can on the outer surface of two relative modular units 1, being sticked respectively, modular unit 1 is fixedly clamped.

The foregoing description and accompanying drawing and non-limiting product form of the present invention and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from patent category of the present invention to its suitable variation or modification of doing.

Claims

1. new concrete template; Comprise a plurality of modular units of mutual splicing and a plurality ofly be used to connect the formwork with fastener-style of establishing a plurality of modular units; It is characterized in that: splice each other through tenon and tongue-and-groove between the said modular unit or splice each other through the connecting rod that is plugged in the tongue-and-groove that is provided with on the said modular unit, said formwork with fastener-style is located at the jointing positions of said modular unit through set bolt.

2. a kind of new concrete template as claimed in claim 1 is characterized in that: the cross section of said tenon and tongue-and-groove is rectangle, square, swallow-tail form or trapezoidal.

3. according to claim 1 or claim 2 a kind of new concrete template is characterized in that: be provided with the through hole that connects its length direction two surfaces in the said modular unit, be inserted with the connecting rod that is used to splice modular unit in this through hole.

4. according to claim 1 or claim 2 a kind of new concrete template is characterized in that: be distributed with the installing hole on its thickness direction two surfaces of a plurality of perforations in the said modular unit, be respectively equipped with nut in each installing hole.

5. a kind of new concrete template as claimed in claim 4 is characterized in that: said nut is the T type nut that tapered nut or its T type end point to concrete one end, and said nut points to the diameter of the diameter of concrete one end greater than the other end.

6. a kind of new concrete template as claimed in claim 5, it is characterized in that: the cylinder of said nut is provided with longitudinal fluting and/or transverse concave groove.

7. a kind of new concrete template as claimed in claim 4 is characterized in that: said nut point to a concrete end respectively spiral shell be provided with the stripper bolt that the demoulding is used, said set bolt is arranged in the other end of said nut.

8. a kind of new concrete template as claimed in claim 7, it is characterized in that: the end face of the bolt column of said stripper bolt is provided with the recess that is used to turn stripper bolt.

9. like claim 7 or 8 described a kind of new concrete templates, it is characterized in that: be equipped with groove on the bolt head of said stripper bolt, be provided with sealing ring in this groove.

10. according to claim 1 or claim 2 a kind of new concrete template is characterized in that: also comprise in order to supporting concrete stay pipe, said modular unit with or formwork with fastener-style be provided with in order to the suitable positioning pipe of this fore-set.