CN113338227A

CN113338227A - Can shorten concrete maintenance periodic cycle's die shell

Info

Publication number: CN113338227A
Application number: CN202110484806.2A
Authority: CN
Inventors: 李雪琛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-09-03

Abstract

The invention discloses a formwork shell capable of shortening a concrete curing period, which belongs to the field of concrete curing, and the formwork shell capable of shortening the concrete curing period is characterized in that when the formwork shell normally works, a trench surface base needs to be trimmed and tamped to be used as a poured foundation, then a pouring mould main body and a vanishing plastic plate are arranged at the reshaping position and fixed, concrete slurry is poured into a pouring cavity through a pouring pipe to fill the pouring cavity, the concrete is cured and formed, after the forming is finished, the maintenance work is carried out, water vapor filled into the curing cavity through an air inlet pipe gradually softens the vanishing plastic plate and cannot fix a fixing net, at the moment, a plurality of unit net parts in the fixing net tear off connection rods under the action of self internal rolling force and roll to form a ball body, and the contact area between a formed concrete block and the water vapor is greatly increased, the maintenance effect is increased.

Description

Can shorten concrete maintenance periodic cycle's die shell

Technical Field

The invention relates to the field of concrete curing, in particular to a formwork shell capable of shortening a concrete curing period.

Background

Concrete curing is the artificial creation of certain humidity and temperature conditions that allow the concrete to be normal or accelerate its hardening and strength growth. Concrete is therefore able to harden and develop strength gradually as a result of the hydration of cement, which requires certain temperature and humidity conditions.

The existing maintenance method mainly comprises the following steps: the method comprises three categories of natural curing, steam curing and film health-preserving liquid curing, wherein the steam curing is to put a concrete member in a curing room filled with saturated steam or a mixture of steam and air, and accelerate the hardening of the concrete in a higher temperature and humidity environment, so that the method can shorten the building curing period of the concrete.

However, the conventional steam curing needs to be performed in a specific curing room, and it is difficult to cure large concrete or cast-in-place concrete, and thus a derivative curing method of steam curing is developed: the box girder steam method adopts the maintenance cover to seal the girder body after the concrete is poured, and inputs steam to control the humidity and the temperature around the girder body, however, the existing box girder steam method needs workers to build the sealed girder body after the outer wall is poured, and the girder body needs to be disassembled after the maintenance is finished, thereby greatly increasing the work content of the workers, reducing the concrete maintenance rate and influencing the shielding period of concrete parts.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a formwork shell capable of shortening the concrete curing period, which can realize the integrated design of a mould for concrete channel pouring and a curing mould, reduce the working procedures of workers, reduce the period required by concrete curing and increase the efficiency of concrete pouring and forming.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A formwork shell capable of shortening a concrete curing period comprises a pouring mould main body placed on a canal surface base, wherein a vanishing plastic plate matched with the pouring mould main body is connected in the pouring mould main body, the vanishing plastic plate is located at one end, close to the canal surface base, of the pouring mould main body, a sealed curing cavity is formed between the pouring mould main body and the vanishing plastic plate, a sealed pouring cavity is formed between the vanishing plastic plate and the canal surface base, the vanishing plastic plate is preferably made of PE (polyethylene) materials with low softening points, fixing nets are embedded in the vanishing plastic plate and comprise a plurality of unit nets, connecting rods are fixedly connected among the unit nets, the unit nets tend to roll upwards, a pouring pipe is fixedly connected to the pouring mould main body, one end of the pouring pipe penetrates through the pouring mould main body and is communicated with the outside, and the other end of the pouring pipe penetrates through a formed concrete block and is communicated with the pouring cavity, an air inlet pipe is fixedly connected to the casting mould main body, one end of the air inlet pipe penetrates through the casting mould main body and is communicated with the outside, the other end of the air inlet pipe extends into the curing cavity, the lower end of the air inlet pipe is inserted with a magnetic sealing cover matched with the air inlet pipe, a plurality of mounting grooves are drilled at one end of the air inlet pipe close to the magnetic sealing cover, telescopic rods are fixedly connected in the mounting grooves, one end of the telescopic rod, which is far away from the bottom plate of the mounting groove, is fixedly connected with the magnetic sealing cover, a plurality of vent holes are drilled on the side wall of the air inlet pipe, a screen matched with the air inlet pipe is fixedly connected in each vent hole, the integrated design of the die and the curing die for pouring the concrete channel can be realized, the working procedures of workers are reduced, the period required by concrete curing is shortened, and the efficiency of concrete pouring forming is increased.

Furthermore, the air vent design is at the upside of magnetism sealed cowling bottom plate, and there is certain clearance in air vent and magnetism sealed cowling bottom plate promptly, and the bottom plate of magnetism sealed cowling is the curved surface of invagination, and at the in-process that lets in steam, the debris of smuggleing secretly is difficult for piling up in air vent department, is difficult for leading to the air vent to block up.

Further, be connected with between telescopic link and the mounting groove inner wall with telescopic link phase-match wear ring, wear ring and mounting groove inner wall fixed connection increase the leakproofness between telescopic link and the mounting groove for be difficult for getting into vapor in the mounting groove, be difficult for causing the telescopic link corrosion inefficacy.

Furthermore, the pouring pipe is provided with a corrugated pipe portion, the corrugated pipe portion is located on one side, close to the vanishing plastic plate, of the pouring pipe, the position of the pouring pipe is convenient for workers to adjust, and the pouring mold main body and the vanishing plastic plate are convenient to install.

Furthermore, the pouring pipe is internally filled with an expansion metal net, the expansion metal net is positioned at one end, close to the vanishing plastic plate, of the pouring pipe, and the expansion metal net has a tendency of outward expansion and is used for fixing the pouring pipe on the vanishing plastic plate and avoiding the pouring pipe from falling off.

Furthermore, the connection surface between the pouring pipe and the vanishing plastic plate is subjected to frosting treatment, so that the friction force between the pouring pipe and the vanishing plastic plate is increased, and the connection stability of the pouring pipe is improved.

Further, the upper end fixedly connected with skeleton fibre of set net, the skeleton fibre is straight rod shape, and after the unit net lost the restraint of disappearance plastic slab and connecting rod, the unit net can automatic shrink be spherical recovery ball, and the skeleton fibre that is located set net upper portion then for becoming above-mentioned recovery ball inner support, avoids unit net transition shrink, can't collect the softened disappearance plastic slab.

Furthermore, the skeleton fibre chooses for use elastic material to make, and is adjacent the skeleton fibre overlap joint is in the same place each other, increases the fibrous structural strength of skeleton of seat recovery ball inner skeleton for the form of retrieving the ball is difficult for collapsing, is difficult for influencing subsequent recovery work.

Further, the lower extreme fixedly connected with of fixation net adheres to the fibre, it is three-dimensional heliciform, a plurality of to adhere to the fibre crisscross a plurality of inclosed compartments that form each other, and the adhering to fibre that is crisscross distribution can increase the joint strength between the adhering to fibre of fixation net and the self outside that is located, is difficult for causing the disappearance plastic board of the softening on recovery ball surface to drop, makes things convenient for follow-up unified recovery.

Furthermore, a prefabricated groove is formed in the connecting rod, so that the connecting rod is easy to break under the action of the unit net, and the unit net is convenient to form a recovery ball.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

this scheme is at normal during operation, at first need be maintained the canal face base, tamp, make it can regard as the ground of pouring, later with pour the mould main part and disappear the plastic slab and set up the position of above-mentioned plastic and fixed, pour the concrete thick liquids to pouring the intracavity through pouring the pipe, fill out and pour the chamber, the static concrete hardening shaping of treating, after the shaping is accomplished, carry out maintenance work, the vapor that fills in to the maintenance intracavity through the intake pipe, make to disappear the plastic slab and soften gradually, can't play the effect of solid to the fixation net, a plurality of unit net portions are under the effect of self internal roll power in the fixation net this moment, the connection of tear connecting rod, and take place the crimping and form the spheroid, increase the area of contact between shaping concrete block after the shaping and the vapor by a wide margin, increase the maintenance effect.

Meanwhile, the spherical softened balls formed by the softened evaporative plastic plate under the action of the fixing net and the fixing fiber cluster are convenient for subsequent waste recovery work, the working strength of subsequent work of workers is greatly reduced, and the spherical softened balls are formed by the softened evaporative plastic plate under the action of the fixing net and the fixing fiber cluster.

The integrated design of the die and the curing die for pouring the concrete channel can be realized, the working procedures of workers are reduced, the period required by concrete curing is shortened, and the efficiency of concrete pouring forming is increased.

Drawings

FIG. 1 is a schematic structural diagram of a pouring mold and a concrete channel in a concrete channel pouring molding process according to the present invention;

FIG. 2 is a schematic partial cross-sectional view of a pouring opening of the casting mold of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure at B in FIG. 2;

FIG. 5 is a schematic view of the construction of a cellular network of the present invention;

FIG. 6 is a schematic view of a partial cross-sectional structure of a fastening web of the present invention;

FIG. 7 is a schematic cross-sectional view of the anchoring net of the present invention after partial shrinkage into a sphere.

The reference numbers in the figures illustrate:

1 pouring a mould main body, 2 forming concrete blocks, 3 disappearing plastic plates, 4 air inlet pipes, 5 magnetic sealing covers, 6 screens, 7 telescopic rods, 8 pouring pipes, 9 expansion metal nets, 10 fixing nets, 1001 unit nets, 1002 connecting rods, 11 fixing fiber clusters, 1101 framework fibers, 1102 attaching fibers and 12 ditch surface bases.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a formwork shell capable of shortening a concrete curing period comprises a casting mold main body 1 placed on a trench surface base 12, before casting construction, workers are required to finish the trench surface base 12 to enable the surface of the trench surface base 12 to meet the casting requirement, a self-matched evanescent plastic plate 3 is connected in the casting mold main body 1, wherein the connection mode between the casting mold main body 1 and the evanescent plastic plate 3 can be realized through clamping connection or threaded connection, the evanescent plastic plate 3 is located at one end of the casting mold main body 1 close to the trench surface base 12, a sealed curing cavity is formed between the casting mold main body 1 and the evanescent plastic plate 3, a sealed casting cavity is formed between the evanescent plastic plate 3 and the trench surface base 12 for casting and forming a concrete block 2, the evanescent plastic plate 3 is preferably made of a low-softening-point PE material, a fixing net 10 is embedded in the evanescent plastic plate 3, the fixing net 10 comprises a plurality of unit nets 1001, connecting rods 1002 are fixedly connected among the unit nets 1001, the unit nets 1001 all have the tendency of curling upwards, a pouring pipe 8 is fixedly connected on a pouring mould main body 1, one end of the pouring pipe 8 penetrates through the pouring mould main body 1 and is communicated with the outside, the other end of the pouring pipe 8 penetrates through a formed concrete block 2 and is communicated with a pouring cavity, an air inlet pipe 4 is fixedly connected on the pouring mould main body 1, one end of the air inlet pipe 4 penetrates through the pouring mould main body 1 and is communicated with the outside, the other end of the air inlet pipe 4 extends into a maintenance cavity, a magnetic sealing cover 5 matched with the air inlet pipe 4 is inserted at the lower end of the air inlet pipe 4, a plurality of mounting grooves are formed in the end, close to the magnetic sealing cover 5, telescopic rods 7 are fixedly connected in the mounting grooves, one end, far away from a groove bottom plate of the mounting grooves, of the telescopic rods 7 is fixedly connected with the magnetic sealing cover 5, a plurality of vent holes are drilled on the side wall of the air inlet pipe 4, and a screen 6 matched with the vent holes is fixedly connected in the vent holes.

In the scheme, when the device normally works, firstly, the trench surface base 12 needs to be trimmed and tamped to be used as a poured foundation, then the pouring mold body 1 and the vanishing plastic plate 3 are arranged at the reshaping position and fixed, concrete slurry is poured into a pouring cavity through the pouring pipe 8, the pouring cavity is filled, the concrete is statically cured and formed, after the forming is finished, the maintenance work is carried out, water vapor filled into the maintenance cavity through the air inlet pipe 4 is utilized to press the magnetic sealing cover 5 downwards through the injection device, so that air vents leak out from the lower side of the air inlet pipe 4, an air vent channel is ensured, the vanishing plastic plate 3 is gradually softened under the action of high-temperature water vapor, the fixation effect on the fixation net 10 cannot be achieved, at the moment, a plurality of unit nets 1001 in the fixation net 10 tear off the connection of the connecting rods 1002 under the action of self internal rolling force, and are curled to form a sphere, the contact area between the disappearance plastic plate 3 and the shaping concrete piece 2 after the shaping is reduced, increase the contact area between the shaping concrete piece 2 after the shaping and the vapor by a wide margin, increase the maintenance effect, simultaneously the disappearance plastic plate 3 who crouches into the spherical and the fixation net 10 also make things convenient for subsequent waste recovery work, reduce the working strength of staff's follow-up work by a wide margin.

In particular, in the present embodiment, the casting mold body 1 and each structure connected to the casting mold body 1 are made of a high temperature resistant heat insulating material, after the steam is filled, under the magnetic adsorption effect between the air inlet pipe 4 and the magnetic sealing cover 5, the magnetic sealing cover 5 returns to the state shown in fig. 3, sealing is completed, a relatively sealed environment is provided for the curing cavity, and meanwhile, temperature measurement and control and steam supplementation in the curing cavity are well known technologies in the art, and are not disclosed in detail in the present application, and it is clear for those skilled in the art how to perform operations.

Please refer to fig. 3, the vent hole is designed at the upper side of the bottom plate of the magnetic sealing cover 5, that is, there is a certain gap between the vent hole and the bottom plate of the magnetic sealing cover 5, and the bottom plate of the magnetic sealing cover 5 is a concave curved surface, in the process of introducing water vapor, the carried sundries are not easy to be accumulated at the vent hole, the vent hole is not easy to be blocked, a wear ring matched with the telescopic rod 7 is connected between the telescopic rod 7 and the inner wall of the installation groove, the wear ring is fixedly connected with the inner wall of the installation groove, the sealing performance between the telescopic rod 7 and the installation groove is increased, so that the water vapor is not easy to enter the installation groove, and the telescopic rod 7 is not easy to be corroded to fail.

Referring to fig. 4, the pouring pipe 8 has a bellows portion located on one side of the pouring pipe 8 close to the evanescent plastic plate 3, so that a worker can adjust the position of the pouring pipe 8 conveniently, the pouring mold body 1 and the evanescent plastic plate 3 can be mounted conveniently, the pouring pipe 8 is filled with the expanded metal mesh 9, the expanded metal mesh 9 is located at one end of the pouring pipe 8 close to the evanescent plastic plate 3, the expanded metal mesh 9 has a tendency of outward expansion, and is used for fixing the pouring pipe 8 on the evanescent plastic plate 3 to prevent the pouring pipe 8 from falling off, the connection surface between the pouring pipe 8 and the evanescent plastic plate 3 is subjected to sanding treatment, the friction force between the pouring pipe 8 and the evanescent plastic plate 3 is increased, and the connection stability of the pouring pipe 8 is increased.

Referring to fig. 6-7, the upper end of the fixing net 10 is fixedly connected with skeleton fiber 1101, the skeleton fiber 1101 is straight rod shaped, after the unit net 1001 loses the constraint of the disappearance plastic plate 3 and the connecting rod 1002, the unit net 1001 will automatically shrink into a spherical recovery ball, the skeleton fiber 1101 positioned on the upper portion of the fixing net 10 becomes an internal support of the recovery ball, the unit net 1001 is prevented from excessively shrinking and failing to collect the softened disappearance plastic plate 3, the skeleton fiber 1101 is made of elastic material, the adjacent skeleton fibers 1101 are overlapped with each other, the structural strength of the skeleton fiber 1101 of the internal skeleton of the seat recovery ball is increased, the recovery ball is not easy to collapse, the subsequent recovery work is not easy to be affected, the lower end of the fixing net 10 is fixedly connected with the attachment fiber 1102, the attachment fiber 1102 is three-dimensional spiral, the plurality of attachment fibers 1102 are mutually staggered to form a plurality of closed compartments, the adhesive fibers 1102 distributed in a staggered manner can increase the connection strength between the fixing net 10 and the adhesive fibers 1102 located on the outer side of the fixing net, the softened disappearance plastic plate 3 on the surface of the recovery ball is not easy to fall off, the subsequent recovery is convenient, a prefabricated groove is dug on the connecting rod 1002, the connecting rod 1002 is easy to break under the action of the unit net 1001, and the unit net 1001 is convenient to form the recovery ball.

When the scheme is in normal work, firstly, the trench surface foundation 12 needs to be trimmed and tamped to be used as a poured foundation, then the pouring mold body 1 and the vanishing plastic plate 3 are arranged at the reshaping positions and fixed, concrete slurry is poured into a pouring cavity through the pouring pipe 8, the pouring cavity is filled, the concrete is statically cured and formed, after the forming is completed, maintenance work is performed, water vapor is filled into the maintenance cavity through the air inlet pipe 4, the vanishing plastic plate 3 is gradually softened and cannot play a role in fixing the fixing net 10, at the moment, the connection of the connecting rods 1002 is broken by a plurality of unit nets 1001 in the fixing net 10 under the effect of self internal rolling force, the rolling shrinkage is generated to form a ball body, the contact area between the formed concrete block 2 and the water vapor is greatly increased, the fixing maintenance effect is increased, and meanwhile, the softened ball-shaped softened ball body formed by the softened vanishing plastic plate 3 under the effects of the net 10 and the fixing fiber clusters 11 is convenient for subsequent waste materials The recovery work greatly reduces the working strength of the subsequent work of workers, the softened disappearance plastic plate 3 forms a spherical softened ball under the action of the fixation net 10 and the fixation fiber cluster 11, the integrated design of a mold for pouring the concrete channel and a curing mold can be realized, the working procedures of the workers are reduced, the period required by concrete curing is reduced, and the efficiency of concrete pouring and forming is increased.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a can shorten concrete maintenance periodic duty's die shell, includes pouring mould main part (1) of placing on trench face base (12), its characterized in that: the casting mould is characterized in that a self-matched evanescent plastic plate (3) is connected in the casting mould main body (1), the evanescent plastic plate (3) is positioned at one end, close to a canal surface base (12), of the casting mould main body (1), a sealed maintenance cavity is formed between the casting mould main body (1) and the evanescent plastic plate (3), a sealed casting cavity is formed between the evanescent plastic plate (3) and the canal surface base (12), the evanescent plastic plate (3) is preferably made of a low-softening-point PE material, a fixing net (10) is embedded in the evanescent plastic plate (3), the fixing net (10) comprises a plurality of unit nets (1001), connecting rods (1002) are fixedly connected among the unit nets (1001), the unit nets (1001) have upward rolling tendency, a casting pipe (8) is fixedly connected on the casting mould main body (1), one end of the casting pipe (8) penetrates through the casting mould main body (1) and is communicated with the outside, the other end of the pouring pipe (8) penetrates through the formed concrete block (2) and is communicated with the pouring cavity, an air inlet pipe (4) is fixedly connected to the casting die main body (1), one end of the air inlet pipe (4) penetrates through the casting die main body (1) and is communicated with the outside, the other end of the air inlet pipe (4) extends into the curing cavity, the lower end of the air inlet pipe (4) is spliced with a magnetic sealing cover (5) matched with the air inlet pipe, a plurality of mounting grooves are drilled at one end of the air inlet pipe (4) close to the magnetic sealing cover (5), telescopic rods (7) are fixedly connected in the mounting grooves, one end of the telescopic rod (7) far away from the bottom plate of the mounting groove is fixedly connected with the magnetic sealing cover (5), a plurality of vent holes are drilled in the side wall of the air inlet pipe (4), and a plurality of vent holes are internally and fixedly connected with a screen (6) matched with the vent holes.

2. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: the vent hole is designed on the upper side of the bottom plate of the magnetic sealing cover (5), namely, a certain gap exists between the vent hole and the bottom plate of the magnetic sealing cover (5), and the bottom plate of the magnetic sealing cover (5) is a sunken curved surface.

3. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: and a wear-resistant ring matched with the telescopic rod (7) is connected between the telescopic rod (7) and the inner wall of the mounting groove, and the wear-resistant ring is fixedly connected with the inner wall of the mounting groove.

4. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: the pouring pipe (8) is provided with a corrugated pipe portion, and the corrugated pipe portion is located on one side, close to the evanescent plastic plate (3), of the pouring pipe (8).

5. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: the pouring pipe (8) is filled with an expanded metal net (9), the expanded metal net (9) is located at one end, close to the vanishing plastic plate (3), of the pouring pipe (8), and the expanded metal net (9) has a tendency of expanding outwards.

6. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: the connection surface between the pouring pipe (8) and the vanishing plastic plate (3) is frosted.

7. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: the upper end fixedly connected with skeleton fibre (1101) of fixation net (10), skeleton fibre (1101) are straight rod shape.

8. A formwork for shortening concrete curing cycles as set forth in claim 7, wherein: the framework fibers (1101) are made of elastic materials, and the adjacent framework fibers (1101) are mutually overlapped.

9. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: the lower end of the fixing net (10) is fixedly connected with an attaching fiber (1102), the attaching fiber (1102) is in a three-dimensional spiral shape, and a plurality of attaching fibers (1102) are staggered with each other to form a plurality of closed compartments.

10. A formwork for shortening concrete curing cycles as set forth in claim 1, wherein: the connecting rod (1002) is provided with a prefabricated groove.