CN213173823U - Improved concrete pouring vertical shaft mould inner barrel - Google Patents

Abstract

The utility model discloses a modified concrete placement vertical mold inner tube, it is in confined mold inner tube from the top down vertically prevent that two upper and lower ring flanges of mould inner tube deformation from breaking off 2 ~ 5 centimetres gaps together with the fixing, ring flange both sides respectively beat two holes about the mould inner tube of disconnection, fasten 7 ~ 10 centimetres steel sheet, in the inside of mould inner tube contactless concrete, 2 ~ 5 centimetres stand the both sides of seam, apart from a high third department of section of thick bamboo, the upper and lower position respectively welds an angle bar of having beaten the eye and having worn the screw. The improved inner barrel mold has the advantages that demolding is easier and easier, and the yield is greatly improved. The utility model relates to a very ingenious, very novel, simple structure, convenient to use alright improve product quality, production efficiency, improve the yield greatly. Is convenient for popularization and application.

Description

Improved concrete pouring vertical shaft mould inner barrel

Technical Field

The utility model belongs to concrete placement mould field. Relates to the improvement of an inner cylinder of a concrete pouring vertical shaft mould. More particularly to an improved concrete pouring vertical shaft mold inner cylinder.

Background

The vertical shaft is mainly used for municipal sewage pipes, cables and communication cable inspection shafts. The vertical shaft is mostly produced by adopting a concrete pouring mold. The vertical shaft mould is divided into two parts, namely a vertical shaft mould outer cylinder and a vertical shaft mould inner cylinder. In order to facilitate the mould removal, the outer cylinder of the mould is made into two detachable pieces, and the inner cylinder of the mould is a closed cylinder. After the concrete is poured, when the initial setting of the concrete is slightly strong, the inner cylinder of the mould is lifted and extracted slowly. And (5) disassembling the external mold when the concrete is completely hardened to reach certain strength. The concrete pouring vertical shaft seems to be very simple, experienced people know that the time for pulling the inner cylinder of the mould is very difficult to master, the pulling of the inner cylinder is early, the concrete poured by a light person is deformed, and the concrete collapsed by a heavy person; and after the drawing is late, the hardened concrete reaching a certain strength firmly sticks the inner cylinder of the mould and cannot be drawn out. This is a problem that puzzles people for many years. The utility model discloses solve this difficult problem well.

Disclosure of Invention

The utility model aims to provide a method for well solving the problems of difficult demoulding of the inner cylinder of the vertical shaft mould and difficult control of demoulding time. The defects of the prior art can be overcome. The utility model relates to a very ingenious, very novel, simple structure, convenient to use alright improve product quality, production efficiency, improve the yield greatly. Is convenient for popularization and application.

In order to achieve the above object, the present invention discloses the following technical contents:

an improved concrete pouring vertical shaft die inner cylinder is characterized in that a 2-5 cm gap 3 is longitudinally formed in the closed die inner cylinder from top to bottom along with an upper flange and a lower flange which are used for fixing and preventing the die inner cylinder from deforming, two holes are respectively drilled in two sides of the upper flange and the lower flange of the disconnected die inner cylinder, a 7-10 cm steel plate 1 is fastened, and an angle iron 2 which is drilled with a hole and is threaded with a screw is respectively welded in the upper position and the lower position at one third of the distance from the two sides of the 2-5 cm gap 3 in the non-contact concrete of the die inner cylinder.

A modified concrete placement vertical mold inner tube, its characterized in that confined mold inner tube from the top down vertically prevent the upper and lower two ring flanges of mold inner tube deformation together with fixed, break off 2 ~ 5 centimetre gaps, adopt the gas cutting to cut open completely. And the steel plate 1 fastened by 7-10 cm is fastened by a female screw.

The utility model discloses more detailed description is as follows:

an improved concrete pouring vertical shaft mold inner cylinder is characterized in that a seam 3 with the width of 2-5 cm is cut by gas cutting from the upper part to the lower part of a closed mold inner cylinder 1 along with an upper flange and a lower flange which are used for fixing and preventing the mold inner cylinder from deforming, in other words, the mold inner cylinder is completely disconnected by the seam with the width of 2-5 cm in the longitudinal direction. Two holes are respectively drilled on two sides of an upper flange plate and a lower flange plate of the disconnected die inner cylinder, two steel plates with the same width and length as the flange plates and 7-10 cm are respectively placed on the upper flange plate and the lower flange plate 2, marks are made according to the positions of the drilled flange plates, four holes are respectively drilled on the two steel plates, the upper flange plate and the lower flange plate are fastened with the steel plates by screws with nuts, the upper flange plate and the lower flange plate of the die inner cylinder form a closed circle, and a seam with the length of 2-5 cm is arranged in the longitudinal middle of the die inner. And welding two angle irons which are provided with through holes and are penetrated by screws at the upper and lower positions of the vertical seam which is 2-5 cm away from the two sides of the inner cylinder of the mould and not contacted with the concrete at the position which is one third of the height of the cylinder, screwing the nuts penetrated through the through holes of the angle irons, plugging the seam by using a cork strip which has the same width as the seam and the same length as the inner cylinder of the mould, and finishing the process of the inner cylinder of the mould of the improved vertical shaft.

The utility model discloses a positive effect that modified concrete placement vertical mould inner tube had compared with prior art lies in: the improved inner barrel mold has the advantages that demolding is easier and easier, and the yield is greatly improved.

Drawings

FIG. 1 is a schematic structural view of an improved concrete casting inner barrel vertical shaft mold;

wherein 1, the inner cylinder 2 of the die and the gap of the angle iron 3.

Detailed Description

The invention is described below by means of specific embodiments. Unless otherwise specified, the technical means used in the present invention are well known to those skilled in the art. Additionally, the embodiments should be considered illustrative, and not restrictive, of the scope of the invention, which is defined solely by the claims.

Example 1

Cement concrete vertical shaft making

(1) Mold assembly

1) Assembling an inner cylinder of the mold: the improved inner cylinder of the die is placed in a cement concrete pouring site, steel plates assembled by upper and lower flange plates of the inner cylinder of the die are fixed, a cork strip with the same width as the gap of the inner cylinder of the die is plugged into the gap, angle irons with wires welded on two sides of the gap are screwed, the cork strip is fixed, and a release agent (commercially available) is coated.

2) Assembling the outer cylinder of the die: after the outer barrel of the die is assembled, the outer barrel is lifted and sleeved outside the inner barrel of the die, and a gap between the inner barrel and the outer barrel is found by using a scale. Ensuring the thickness of the cast concrete to be consistent.

3) Pouring: and (3) fully vibrating the stirred cement concrete in the gap between the inner cylinder and the outer cylinder of the mould.

4) Removing the mold: and (4) after the concrete is numbered, removing the screws for fastening the outer cylinder of the mould and removing the outer cylinder of the mould. In addition, someone enters the inner die cylinder, unloads the steel plates fixed on the upper flange and the lower flange, beats off the cork strips, then tightly presses the two sides of the gap of the inner die cylinder by force to pass through the screws on the angle iron, the upper screw and the lower screw are simultaneously tightened, when the screws are tightly screwed in for 2-3 mm, the gap between the inner die cylinder and the concrete is seen to be larger and larger, and finally, the inner die cylinder is completely separated from the concrete and is easily lifted out of the inner die cylinder. And (5) demolding is successful.

Example 2

Production of geopolymer concrete vertical shaft

(1) Mold assembly

1) Assembling an inner cylinder of the mold: placing the improved inner cylinder of the die in a cement concrete pouring field, fixing steel plates assembled by an upper flange and a lower flange, plugging a cork strip with the same width as the gap of the inner cylinder of the die into the gap, screwing angle irons with passing wires welded on two sides of the gap, and fixing the cork strip. And (4) coating a release agent.

2) Assembling the outer cylinder of the die: after the outer cylinder of the die is assembled, the outer cylinder of the die is hoisted and sleeved, and a gap between the inner cylinder and the outer cylinder is found by using a scale.

3) Pouring: and (3) pouring the stirred geopolymer concrete into the gap between the inner barrel and the outer barrel of the mould, and fully vibrating.

4) Removing the mold: and (4) after the concrete is numbered, removing the screws for fastening the outer cylinder of the mould and removing the outer cylinder of the mould. In addition, someone enters the inner cylinder of the mold, unloads the steel plates fixed on the upper flange and the lower flange, beats off the cork strips, then tightly tightens the two sides of the gap of the inner cylinder of the mold, penetrates through the screws on the angle iron, the upper screw and the lower screw are simultaneously tightened, when the screws are tightened to 2 mm, the gap between the inner cylinder of the mold and the concrete is seen to be larger and larger, and finally, the inner cylinder of the mold is completely separated from the concrete, and the inner cylinder of the mold is easily lifted out. And (5) demolding is successful.

Example 3

An improved inner cylinder of vertical shaft for pouring concrete features that a 2 cm-wide slot is cut by gas cutting along the longitudinal direction from top to bottom of the closed inner cylinder and the upper and lower flanges for preventing the deformation of inner cylinder. Two holes are respectively drilled on two sides of an upper flange steel plate and a lower flange steel plate of a disconnected die inner cylinder, two steel plates with the same width and the same length as the flanges are respectively placed on the upper flange steel plate and the lower flange steel plate, marks are made according to the positions of the drilled holes of the flange steel plates, four holes are respectively drilled on the two steel plates, the upper flange and the lower flange are fastened with the steel plates by using female screws, the upper flange and the lower flange of the die inner cylinder form a closed circle, and a 2-centimeter seam is formed in the. Two angle irons which are provided with through holes and are penetrated by screws are welded at the upper and lower positions of the position which is 2 cm away from the two sides of the vertical seam and is not contacted with the concrete in the inner cylinder of the mould, the screw nuts penetrating through the through holes of the angle irons are screwed, the seam is sealed by a cork strip which has the same width and length as the seam and the same height as the inner cylinder of the mould, and the improved inner cylinder of the vertical shaft mould is finished.

Claims (3)

1. The improved concrete pouring vertical shaft mold inner cylinder is characterized in that a 2-5 cm gap (3) is longitudinally broken from top to bottom together with an upper flange and a lower flange which are used for fixing and preventing the mold inner cylinder from deforming, two holes are respectively drilled in two sides of the upper flange and the lower flange of the broken mold inner cylinder, a 7-10 cm steel plate (1) is fastened, and an angle iron (2) which is drilled with a hole and is threaded with a screw is respectively welded in the upper position and the lower position at one third of the distance from the two sides of the 2-5 cm gap (3) in the inner side, which is not in contact with concrete, of the mold inner cylinder.

2. An improved concrete pouring vertical shaft inner mold cylinder as claimed in claim 1, wherein the closed inner mold cylinder is longitudinally separated from top to bottom by a gap of 2-5 cm along with upper and lower flanges for fixing the inner mold cylinder to prevent deformation, and is completely cut by gas cutting.

3. An improved concrete pouring shaft inner mold cylinder according to claim 1, characterized in that the steel plates (1) fastened by 7-10 cm are fastened by female screws.

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