CN208250928U - A kind of steel and wood composite template - Google Patents

Abstract

The utility model provides a steel-wood combination formwork, which comprises a wooden formwork and a steel formwork, the wooden formwork comprises a wooden formwork and a first fixing device, the steel formwork comprises a steel formwork and a second fixing device, the first fixing device comprises a wooden formwork and a Card slot, the steel mold is provided with a card bar that can be snapped into the card slot, the first fixing device includes a support steel bar, a support wooden square and a steel plate, a pair of parallel support steel bars upper and lower ends fix a pair of support wooden squares, a pair of parallel support A pair of steel plates are fixed in the middle of the supporting steel bars, and there are through holes on the steel plates, PVC pipes are embedded in the structural parts, and the two ends of the pull screws passing through the PVC pipes are respectively fixed on the steel plates through the through holes. The steel formwork and wooden formwork of the utility model are respectively fixed by the first fixing device and the second fixing device, and a pair of wooden molds and steel molds which are oppositely arranged are connected on both sides through the opposite pull screw; the wet joint formwork system adopts steel wood Combined formwork, steel formwork is used at the corner, and wood formwork is used for the rest of the straight line.

Description

A steel-wood combination formwork

technical field

The utility model relates to the field of building construction, in particular to a steel-wood composite template.

Background technique

With the development of bridge construction in our country, prefabricated concrete bridges have been widely used due to their advantages of high construction efficiency and good quality. Among them, the on-site assembly of prefabricated segments is an important link in the construction of precast concrete bridges. Safety has a major impact; however, the existing wet joint method has problems such as large wet joint formwork system and difficult hoisting, difficult to guarantee the quality of prestressed tension, complex construction process and difficult butt joint of segmental beams.

Utility model content

The problem to be solved by the utility model is to provide a steel-wood composite formwork to improve the installation and disassembly speed of the formwork project in view of the above-mentioned shortcomings in the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: a steel-wood combination formwork, comprising a wood formwork and a steel formwork, the wood formwork comprising a wood formwork and a first fixing device, and the steel formwork comprising a steel formwork and a steel formwork The second fixing device, the first fixing device and the second fixing device have the same structure, the first fixing device includes a wooden mold with a card slot, and the steel mold is provided with a card that can be snapped into the card slot The first fixing device includes a supporting steel bar, a supporting wooden square and a steel plate, a pair of parallel supporting steel bars are fixed at the upper and lower ends of a pair of supporting wooden squares, and a pair of parallel supporting steel bars are fixed in the middle A pair of said steel plates, said steel plates are provided with through holes, concrete is poured between a pair of said wooden molds and a pair of said steel molds to form structural parts, PVC pipes are pre-embedded in said structural parts, and pass through the said structural parts The two ends of the pull screw rods of the PVC pipe respectively pass through the through holes and are fixed on the steel plates.

Further, the steel-wood composite formwork also includes a T-shaped piece and a clip, the T-shaped piece is connected with a bolt, the wooden formwork is provided with a perforation that can communicate with the clamping groove, and the T-shaped piece passes through the Said bolt passes through said perforation and is fixed on said wooden formwork by cooperating with nut so that the surface of said T-shaped piece is flush with the inner surface of said wooden formwork. A convex groove is formed between the pieces, and the convex groove is clamped with the clip so that the two ends of the clip are respectively flush with the wooden mold and the steel mold, and the upper end of the clip is connected with a specific convex The wooden formwork and the steel formwork are respectively provided with a first socket and a second socket adapted to the protrusion.

Compared with the prior art, the utility model has the following beneficial effects: different from the traditional large formwork used at wet joints, the utility model divides the entire formwork into several small blocks, and each small block includes two types of steel formwork and wooden formwork. , a steel formwork is used at the corner, and a wooden formwork is used for the straight section. The steel formwork and the wooden formwork are fixed by the first fixing device and the second fixing device respectively, and a pair of the wooden formwork and the steel formwork that are oppositely arranged are set by the opposite pull screw. The formwork is connected on both sides, which improves the installation and disassembly speed of the formwork project; the wet joint formwork system adopts steel-wood composite formwork, steel formwork is used at the corners, and wood formwork is used for the rest of the straight line, which can be recycled and light in weight, which speeds up the installation and removal speed.

Other advantages, objectives and features of the utility model will partly be embodied through the following description, and partly will be understood by those skilled in the art through the research and practice of the utility model.

Description of drawings

Fig. 1 is a structural schematic diagram of a steel-wood composite formwork of the present invention.

Fig. 2 is a partially enlarged side view of A in Fig. 1 of the present utility model.

Fig. 3 is the connection schematic diagram of the utility model steel formwork and wooden wooden formwork.

Detailed ways

In order to make the technical means, creative features, purpose and effect of the utility model realized clearer and easier to understand, the utility model will be further elaborated below in conjunction with the accompanying drawings and specific implementation methods:

The up, down, left, and right mentioned in the utility model are up, down, left, and right shown in accompanying drawing 3, wherein the place above the wooden formwork 4 and the steel formwork 5 is the place where the concrete is poured, that is, the place where the structural parts are formed and is located on the inner side and the inner side.

The utility model proposes a steel-wood combination formwork, including a wooden formwork 1 and a steel formwork 2, the wooden formwork 1 includes a wooden formwork 4 and a first fixing device 3, and the steel formwork 2 includes a steel formwork 5 and a second fixing device device, the first fixing device 3 has the same structure as the second fixing device, the first fixing device 3 includes a wooden mold 4 with a slot 6, and the steel mold 5 is provided with a slot that can be snapped into the slot 6, the first fixing device 3 includes a supporting steel bar 8, a supporting wooden square 9 and a steel plate 10, and a pair of parallel supporting steel bars 8 are fixed to a pair of supporting wooden squares 9 at the upper and lower ends. A pair of steel plates 10 are fixed in the middle of the parallel supporting steel bars 8, and through holes 11 are provided on the steel plates 10. Concrete is poured between a pair of wooden molds 4 and a pair of steel molds 5 to form Structural parts, PVC pipes 12 are pre-embedded in the structural parts, and the two ends of the pull screw passing through the PVC pipes respectively pass through the through holes 11 and are fixed on the steel plate 10 .

As a specific embodiment, in order to facilitate the connection of the wooden mold 4 and the steel mold 5, the steel-wood composite template also includes a T-shaped piece 13 and a clip 14, the T-shaped piece 13 is connected with a bolt 16, and the wooden mold The mold 4 is provided with a perforation 15 that can communicate with the draw-in groove 6, and the T-shaped piece 13 is fixed on the wooden mold 4 through the bolt 16 through the perforated hole 15 and the nut to make the T-shaped piece The surface of 13 is flush with the inner surface of the wooden formwork 4, and the T-shaped piece 13 includes a horizontal plate and a vertical plate vertically connected in the middle of the horizontal plate, and the vertical plate is vertically connected on the horizontal plate to form a T shape , the bolt 16 is vertically connected below the vertical plate, and when the bolt 16 passes through the perforation 15 and is locked by a nut, the horizontal plate is flush with the inner surface of the wooden formwork 4, and the nut is located at the In the clamping groove 6, the steel template 2 is provided with a gap, and a convex groove is formed between the gap and the T-shaped piece 13, and the convex groove and the clamping piece 14 are clamped to make the clamping piece The two ends of 14 are flush with the wooden mold 4 and the steel mold 5 respectively, and the upper end of the clip 14 is connected with a concrete raised connector, and the wooden mold 4 and the steel mold 5 are respectively provided with The first socket 17 and the second socket 18 that the protrusion is compatible with, the clip strip 7 is snapped into the clip slot 6 and there is still a certain distance from the leftmost side of the clip slot 6 so that when pouring The concrete has a certain cushioning effect when the wooden formwork 4 and the steel formwork 5 are stretched to avoid damage to the wooden formwork 4, by setting the clip 14 between the wooden formwork 4 and the steel formwork 5 Thereby protect described wooden formwork 4, because if pouring concrete encounters expansion and extrusion when the joint of described wooden formwork 4 and described steel formwork 5, except utilizing the gap buffering between described draw-in groove 6 and described clamping bar 7 It is also possible to pass through the clamp 14, the clamp 14 is made of wood, the first steps are provided on both sides of the clamp 14, and the opposite second steps 20 are provided on both sides of the T-shaped member 13. , the second step 20 on the right is compatible with the first step, and the wooden formwork 4 is provided with a third step 19 on the right side to be compatible with the second step 20 .

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (2)

1. a kind of steel and wood composite template, it is characterised in that: including plank sheathing (1) and steel form (2), the plank sheathing (1) includes Wooden model (4) and first fixed device (3), the steel form (2) include punching block (5) and the second fixed device, and described first is fixed Device (3) is identical with second fixture structure, and described first fixed device (3) include that wooden model (4) are equipped with card slot (6), The punching block (5), which is equipped with, can be caught in the strips (7) of the card slot (6), described first fixed device (3) include support steel bar (8), Flitch (9) and steel plate (10) are supported, a pair of parallel support steel bar (8) upper and lower side fixes a pair of support flitch (9), Fixed a pair of steel plate (10), the steel plate (10) are equipped with through-hole (11) among a pair of parallel support steel bar (8), Equal casting concrete formation structural member between a pair of wooden model (4) and a pair of punching block (5), it is pre-buried in the structural member Pvc pipe (12) is then passed through the through-hole (11) across the Screw arbor with nut at both-ends both ends of the pvc pipe respectively and is fixed on the steel plate (10) On.

2. a kind of steel and wood composite template according to claim 1, it is characterised in that: a kind of steel and wood composite template further includes T-piece (13) and fastener (14), the T-piece (13) connect bolt (16), and the wooden model (4), which is equipped with, can be connected to the card slot (6) perforation (15), the T-piece (13) passes through the perforation (15) by the bolt (16) and nut cooperation is fixed on institute Stating flushes the T-piece (13) surface with the wooden model (4) medial surface, and the steel form (2) is equipped with notch, Convex slot is formed between the notch and the T-piece (13), the convex slot and the fastener (14) clamping make the fastener (14) both ends are flushed with the wooden model (4) and the punching block (5) respectively, and fastener (14) upper end is connected with the company of specific protrusion Compatible first jack (17) and second with the protrusion is respectively equipped on fitting, the wooden model (4) and the punching block (5) to insert Hole (18).