WO2019174460A1

WO2019174460A1 - Combination mould for piled precast concrete composite floor boards, and usage method therefor

Info

Publication number: WO2019174460A1
Application number: PCT/CN2019/076276
Authority: WO
Inventors: 刁宏伟; 吴昊
Original assignee: 刁宏伟
Priority date: 2018-03-14
Filing date: 2019-02-27
Publication date: 2019-09-19
Also published as: CN110271086A

Abstract

Provided is a combination mould for piled precast concrete composite floor boards, the combination mould comprising several horizontal mould platforms (6) with an edge mould (12), wherein a surface of each layer of the horizontal mould platforms (6) is provided with several support bases (4); and multiple layers of the horizontal mould platforms (6) are stacked to form the combination mould for piled precast concrete composite floor boards. The usage method for the combination mould involves: mounting the support base (4), a washer (13) and the horizontal mould platform (6) layer by layer, placing reinforcing steel bars, and pouring concrete; curing the precast concrete composite floor boards; and splitting the mould layer by layer after the strength qualifies. The combination mould can produce composite floor boards at a construction site, so that the production and transport costs are reduced.

Description

Combined mold for stacking precast concrete laminated floor slab and use method thereof

Technical field

The invention belongs to the field of precast concrete buildings, and particularly relates to a combined mold for stacking precast concrete laminated floor slabs and a using method thereof.

Background technique

The prefabricated concrete laminated slabs that are currently used on the market are all flat die-mold production lines with fixed die tables or die tables. One type of fixed die sets is steamed in situ, which covers a large area and cannot be used on the construction site. The utility model uses a crane to stack the mold tables and steam them together. The traditional mold table is stacked on the periphery of the mold table. Since the surface of the mold table is not supported, the support span is large, and the mold table structure needs to prevent the mold table from being too spanned. Large and deformed, resulting in a very large die table, can not be used at the construction site, because the tower crane at the construction site is not a substitute for the crane, accuracy, reliability, safety, efficiency are not allowed. As for the large-scale mold-moving flat-die assembly line, there is no possibility of production on the construction site. Even if the floor space is not considered, only one disassembly and assembly cost and time is completely unacceptable to the market.

Since the current production technology of precast concrete laminated slabs can only be produced in the factory in most cases, the size of the precast concrete slabs can not be too large, and the width of the stencil is mostly 3.5 to 4 meters. Even if this width can be over-constrained, the factory can't do the laminated slab without seams. Therefore, the actual laminated slabs will inevitably have seams in the actual use. The dense seaming technology will cause the slab to crack, due to China. Most of the houses will not be completely suspended. The cracking of the floor is completely unacceptable to the owners. If the post-casting technology is adopted, not only the edge of the seams will be required to increase the production cost, but also the difficulty of installation on site and the construction period will be greatly improved.

The traditional cast-in-situ slab technology that is currently used on the market also has certain problems. The traditional cast-in-place technology is to demolish the mold in a three-dimensional space. When the vertical formwork and the horizontal formwork are removed, they interfere with each other, which wastes labor and affects the service life of the formwork. Moreover, each level of horizontal formwork and supporting system needs to be repeatedly disassembled and assembled, and it needs to be transported repeatedly to the next layer, which wastes a lot of labor; another set of horizontal formwork can only be used for one building, and cannot be built in one construction period. Use together internally.

Summary of the invention

OBJECT OF THE INVENTION The present invention provides a combined mold for pre-casting concrete laminated slabs and a method for using the same, which aims to solve the problem that the large-scale slab production process cannot be produced on the construction site and cannot be completed by the construction site. The stacking of the mold table and the super large-size laminated slab can not produce and can not be transported. At the same time, because the super large-sized laminated slab can be produced on the construction site, there is no seam at all on the laminated slab, completely avoiding the secret fight. The cracking problem and the post-casting seam edge increase the production cost, greatly improving the difficulty of on-site installation and construction period. At the same time, because it can be produced on site, it not only saves the freight cost of the laminated floor itself, but also eliminates the management costs and other amortization expenses of the prefabricated component factory itself.

Although the invention belongs to the field of precast concrete construction, it has corresponding innovation compared with the traditional cast-in-place technology. Compared with the traditional cast-in-place technology, the purpose is that since the template of the invention is always on the ground, each layer is composed of a keel template and The horizontal die table combined with the filling template does not need to be reassembled and assembled every time, and does not need to be transported to the upper layer repeatedly, which can save a lot of labor; since the present invention is purely flat, the relative mode is relatively In the three-dimensional space demoulding of the traditional cast-in-place technology, no vertical formwork interferes with the removal of the horizontal formwork, which saves labor and prolongs the service life of the formwork; the production process is independent of other construction processes on the site, and can be stacked. It is maintained in a three-dimensional state, so a set of templates can supply two or more buildings at the same time, which greatly saves the amount of templates.

Technical solution

The invention is realized by the following technical solutions: a plurality of horizontal die tables with side touches, the first horizontal die table is placed on a reference plane, and the first horizontal die table surface is provided with a plurality of supports, the second block The horizontal die table is placed on a plurality of supports provided on the surface of the first horizontal die table; the second horizontal die table surface is also provided with a plurality of supports; and so on, the rear mounted horizontal die table is placed in the previously installed A plurality of supports are provided on the surface of the horizontal die table; finally, a set of combined molds capable of stacking precast concrete laminated floors is formed.

A screw is arranged at the bottom of the support, and the screw at the bottom of the support is directly screwed into the surface of the first horizontal die table, so that the support and the horizontal die table are fixedly connected; the second horizontal die table is placed on the surface of the first horizontal die table. a plurality of supports provided on the bottom; the screw at the bottom of the support on the second horizontal die table is screwed into the top of the plurality of supports provided on the surface of the first horizontal die table through the second horizontal die table, and is pressed a second horizontal die table; and so on, the rear mounted horizontal die table is placed on a plurality of supports provided on the surface of the previously installed horizontal die table; the screw at the bottom of the support on the horizontal die table passes through the horizontal die table Screw into the top of the support below the horizontal die table; a final set of solid and stable combination molds that can be stacked with precast concrete laminates.

The lower part of the support is inverted round-shaped, which facilitates the removal of the strength of the precast concrete laminated slab.

A washer is arranged between the lower end of the lower half of the inverted table and the horizontal die table, so that the support can be pressed against the horizontal die table.

The upper part of the support is cylindrical, the horizontal die table is composed of a plurality of back ribbed keel templates and filling templates, a plurality of keel templates are connected to each other to form a frame, and a plurality of filling templates are placed on the edge of the keel template to form a horizontal die table; The rib on the back of the keel form a groove, and the upper end of the cylindrical upper half of the support is inserted into the groove to form a stable fixed support for the horizontal die table.

The lower part of the cylindrical upper part of the support is provided with a ring-shaped step, and the upper end of the cylindrical upper half of the support is inserted into the groove, and the annular step supports the rib on the back of the keel formwork to form a more reliable support for the horizontal die table. Improve the service life of the keel template.

The pedestal is provided with a hexagonal groove on the support to facilitate the removal of the strength of the precast concrete slab.

a plurality of feet provided on the back of the first horizontal die table, the screw at the bottom of the support is screwed through the first horizontal die table into the top end of a plurality of feet provided on the back of the first horizontal die table, so that a plurality of supports Fixedly mounted on the surface of the first horizontal die table.

The method is as follows: the screw at the bottom of the support passes through the washer and the first horizontal die table is screwed into the top end of the plurality of feet provided on the back surface of the first horizontal die table, so that several supports are fixedly mounted on the horizontal die table. After the surface, the support, the first horizontal die table and the ground are fixedly connected, they are placed on a reference plane; the release agent is applied on the surface of the horizontal die table, the steel bars are placed, the concrete is poured, and then placed on the support a second horizontal die table, the screw of the bottom of the plurality of supports is screwed into the top of the plurality of supports provided on the surface of the first horizontal die table through the washer and the second horizontal die table, and the second horizontal die table is pressed. And a plurality of supports are fixedly mounted on the surface of the second horizontal die table, the release agent is applied on the surface of the horizontal die table, the steel bars are placed, and the concrete is poured; and so on, the horizontally mounted die table is placed at the level of the previous installation. a plurality of supports are provided on the surface of the die table; the screws of the bottoms of the plurality of supports on the horizontal die table are screwed into the top of the corresponding support under the horizontal die table through the gasket and the horizontal die table, and the horizontal die table is pressed, Horizontal die table surface After placing the concrete, pouring concrete, and completing the concrete pouring of the whole set of precast concrete laminated slabs, the precast concrete laminated slabs are cured. After the concrete strength is qualified, the supports, washers and horizontal die sets are removed layer by layer. A set of precast concrete laminate slabs was completed.

DRAWINGS

Figure 1 is a perspective view of a conventional die table stacked;

Figure 2 is a cross-sectional view showing the structure of the present invention.

Embodiments of the invention

Since the current production technology of precast concrete laminated slabs can only be produced in the factory in most cases, the size of the precast concrete slabs can not be too large, and the width of the stencil is mostly 3.5 to 4 meters. Even if this width can be over-constrained, the factory can't do the laminated slab without seams. Therefore, the actual laminated slabs will inevitably have seams in the actual use. The dense seaming technology will cause the slab to crack, due to China. Most of the houses will not be completely suspended. The cracking of the floor is completely unacceptable to the owner. If the post-casting technology is adopted, not only the edge of the seam will be required to increase the production cost, but also the difficulty of installation on site and the construction period will be greatly improved.

Embodiments: The present invention is an improvement on the production process of a conventional precast concrete laminated floor. FIG. 1 is an isometric view of a conventional formwork stack; FIG. 1 is a die table, and 2 is an edge support system.

As shown in FIG. 2, the present invention is a combined mold for a pre-cast concrete laminated floor panel, comprising a plurality of horizontal die sets 10 with side touches 20, the first horizontal die table 10 being placed on a reference plane 40. The surface of the first horizontal die stage 10 is provided with a plurality of supports 30, and the second horizontal die stage 10 is placed on a plurality of supports 30 provided on the surface of the first horizontal die stage 10; the second horizontal die stage 10 The surface is also provided with a plurality of supports 30; and so on, the rear mounted horizontal die table 10 is placed on a plurality of supports 30 provided on the surface of the previously installed horizontal die table 10; finally, a set of precast concrete stacks can be stacked. Combined mold for the slab.

A screw 31 is arranged at the bottom of the support 30, and the screw 31 at the bottom of the support 30 is directly screwed into the surface of the first horizontal die table 10, so that the support 30 and the horizontal die table 10 are fixedly connected; the second horizontal die table 10 is placed On a plurality of supports 30 provided on the surface of the first horizontal die stage 10; the screw 31 at the bottom of the support 30 on the second horizontal die stage 10 is screwed into the first level through the second horizontal die stage 10. The tops of the plurality of supports 30 are provided on the surface of the die table 10 to press the second horizontal die stage 10; and so on, the rear mounted horizontal die sets 10 are placed on the surface of the previously mounted horizontal die table 10 On the support 30; the screw 31 at the bottom of the support 30 on the horizontal die table 10 is screwed through the horizontal die table 10 into the top end of the lower support 30 of the horizontal die table 10; finally, a set of precast concrete laminated slabs can be stacked. A stable and stable combination mold.

The lower half of the support 30 is in the shape of an inverted truncated cone, which facilitates the removal of the prefabricated concrete laminated slab strength and allows the detachment of the rear support 30.

A washer 33 is disposed between the lower end of the inverted half-shaped lower half of the support 30 and the horizontal die stage 10, so that the support 30 can be pressed against the horizontal die stage 10.

The upper half of the support 30 is cylindrical, and the horizontal die table 10 is composed of a plurality of back ribbed keel templates 11 and a filling template 12, and a plurality of keel templates 11 are connected to each other to form a frame, and a plurality of filling templates 12 are placed on the keel template 11. The edge finally forms the horizontal die stage 10; the rib on the back side of the keel template 11 forms a groove 13, and the upper end of the cylindrical upper half of the holder 30 is inserted into the groove 13 to form a stable fixed position support to the horizontal die table 10.

The lower portion of the cylindrical upper half of the support 30 is provided with a ring-shaped step 34, and the upper end of the cylindrical upper half of the support 30 is inserted into the groove 13, and the annular step 34 supports the rib on the back surface of the keel template 11, for the horizontal die The table 10 forms a more reliable support and increases the service life of the keel formwork 11.

The pedestal 30 is provided with a hexagonal recess 32 to facilitate the removal of the prefabricated concrete slab strength.

a plurality of feet 50 disposed on the back of the first horizontal die table 10, and the screw 31 at the bottom of the support 30 is screwed through the first horizontal die table 10 into a plurality of feet 50 provided on the back surface of the first horizontal die table 10. The top end is such that a plurality of holders 30 are fixedly mounted on the surface of the first horizontal die stage 10.

The method is as follows: the screw 31 at the bottom of the support 30 is screwed through the washer 33 and the first horizontal die table 10 into the top end of a plurality of feet 50 provided on the back surface of the first horizontal die table 10, so that the plurality of supports 30 are provided. Fixedly mounted on the surface of the horizontal die table 10, the support 30, the first horizontal die table 10, and the foot 50 are fixedly connected, and placed on a reference plane 40; the surface of the horizontal die table 10 is coated with a release agent, The reinforcing bar is placed, the concrete is poured, and then a second horizontal die stage 10 is placed on the support 30. The screw 31 at the bottom of the plurality of supports 30 is screwed into the first horizontal die table through the washer 33 and the second horizontal die table 10. 10 a plurality of pedestals 30 are provided on the surface to press the second horizontal die stage 10, and a plurality of pedestals 30 are fixedly mounted on the surface of the second horizontal die table 10, and the surface of the horizontal die table 10 is painted and demolded. Agent, placing steel bars, pouring concrete; and so on, the rear mounted horizontal die table 10 is placed on a plurality of supports 30 provided on the surface of the previously installed horizontal die table 10; a plurality of supports 30 above the horizontal die table 10 The bottom screw 31 is screwed through the washer 33 and the horizontal die table 10 into the corresponding under the horizontal die table 10 At the top of the seat 30, the horizontal die table 10 is pressed, the release agent is applied on the surface of the horizontal die table 10, the steel bars are placed, the concrete is poured, and the concrete is poured after the whole group of precast concrete laminated floors is poured, and the precast concrete stack is placed. After the slab is cured and the concrete strength is qualified, the support 30, the washer 33 and the horizontal die table 10 are removed layer by layer, and a set of precast concrete laminated slabs is completed.

Claims

A combined mold for stacking precast concrete laminated slabs, comprising a plurality of horizontal dies (10) with side touches (20), the first horizontal dies (10) being placed on a reference plane (40), The utility model is characterized in that: the surface of the first horizontal die table (10) is provided with a plurality of supports (30), and the second horizontal die table (10) is placed on a plurality of supports provided on the surface of the first horizontal die table (10). (30) upper; the second horizontal die table (10) surface is also provided with a plurality of supports (30); and so on, the rear mounted horizontal die table (10) is placed on the surface of the previously installed horizontal die table (10) A plurality of supports (30) are provided thereon; finally, a set of combined molds capable of stacking precast concrete laminated floors is formed.
A combined mold for a precast concrete laminated floor slab according to claim 1, wherein a screw (31) is arranged at the bottom of the support (30), and the screw (31) at the bottom of the support (30) is directly Screwed into the surface of the first horizontal die table (10), the support (30) and the horizontal die table (10) are fixedly connected; the second horizontal die table (10) is placed on the first horizontal die table (10) a plurality of supports (30) provided on the surface; the screw (31) at the bottom of the support (30) on the second horizontal die table (10) is screwed into the first through the second horizontal die table (10) The top of several supports (30) provided on the surface of the block horizontal die table (10) is pressed against the second horizontal die table (10); and so on, the rear mounted horizontal die table (10) is placed in the previously installed a plurality of supports (30) are provided on the surface of the horizontal die table (10); the screw (31) at the bottom of the support (30) above the horizontal die table (10) is screwed into the horizontal die through the horizontal die table (10) The top of the lower support (30) of the table (10); finally forming a set of firm and stable combination molds that can be stacked with precast concrete laminated floors.
A combined mold for pre-cast concrete laminated floor slabs according to claim 2, wherein the lower half of the support (30) is in the shape of an inverted truncated cone, which facilitates the prefabrication of the concrete and the strength of the slab can be hoisted to the rear support. (30) Demolition.
A combined mold for pre-cast concrete laminated slabs according to claims 2 and 3, characterized in that: the support (30) is provided with a gasket between the lower end of the lower half of the truncated cone and the horizontal die table (10) (33), it is convenient for the support (30) to press the horizontal die table (10).
A combined mold for a precast concrete laminated floor slab according to claim 2, wherein the upper half of the support (30) is cylindrical and the horizontal die table (10) is ribbed by a plurality of backs. The keel template (11) and the filling template (12) are composed, a plurality of keel templates (11) are interconnected to form a frame, and a plurality of filling templates (12) are placed on the edge of the keel template (11) to form a horizontal die table (10); the keel template (11) The rib on the back side forms a groove (13), and the upper end of the cylindrical upper half of the support (30) is just inserted into the groove (13) to form a stable fixed position support to the horizontal die table (10).
A combined mold for pre-cast concrete laminated floor slabs according to claim 5, characterized in that: the lower part of the cylindrical upper half of the support (30) is provided with a ring-shaped step (34), and the support (30) The upper end of the cylindrical upper half is inserted into the groove (13), and the annular step (34) supports the rib on the back side of the keel template (11), forming a more reliable support for the horizontal die table (10), and improving the keel template ( 11) The service life.
A combined mold for pre-cast concrete laminated slabs according to claim 2, characterized in that: the support (30) is provided with a hexagonal recess (32) on the top of the support, so that the strength of the precast concrete laminated slab can be hoisted Demolition of the support (30).
A combined mold for a precast concrete laminated floor slab according to claim 2, characterized in that: a plurality of feet (50) and a bottom of the support (30) are provided on the back of the first horizontal die table (10). The screw (31) is screwed through the first horizontal die table (10) into the top end of a plurality of feet (50) provided on the back surface of the first horizontal die table (10), so that several supports (30) are fixedly mounted. On the surface of the first horizontal die table (10).
A method for using a combined mold for stacking precast concrete laminated slabs, characterized in that: a screw (31) at the bottom of the support (30) is screwed through the washer (33) and the first horizontal die table (10) a top end of a plurality of feet (50) provided on the back surface of a horizontal die table (10), such that a plurality of supports (30) are fixedly mounted on the surface of the horizontal die table (10), the support (30), the first block After the horizontal die table (10) and the foot (50) are fixedly connected, they are placed on a reference plane (40); the surface of the horizontal die table (10) is coated with a release agent, the steel bars are placed, the concrete is poured, and then the support is carried out. A second horizontal die table (10) is placed on the seat (30), and the screw (31) at the bottom of the plurality of seats (30) is screwed into the first block through the washer (33) and the second horizontal die table (10). The top end of a plurality of supports (30) provided on the surface of the horizontal die table (10) presses the second horizontal die table (10) and fixes the plurality of supports (30) to the second horizontal die stage (10). Surface, apply the release agent on the surface of the horizontal die table (10), place the steel bars, and pour the concrete; and so on, the rear mounted horizontal die table (10) is placed on the surface of the previously installed horizontal die table (10). There are several supports (30) The screw (31) at the bottom of several supports (30) above the horizontal die table (10) is screwed through the washer (33) and the horizontal die table (10) into the corresponding support (30) below the horizontal die table (10). At the top, press the horizontal die table (10), apply the release agent on the surface of the horizontal die table (10), place the steel bars, pour the concrete, and finish the concrete after the whole group of precast concrete laminated slabs are poured. After the concrete laminated floor is cured, after the concrete strength is passed, the support (30), the washer (33) and the horizontal die table (10) are removed layer by layer, and a set of precast concrete laminated floors is completed.