Adjustable column bottom slurry leakage prevention device

Abstract

The utility model discloses an adjustable column bottom slurry leakage prevention device which comprises original column wood formworks, the four original column wood formworks are arranged on the periphery of a steel bar column in a surrounding mode, prefabricated formwork strips are arranged below the four original column wood formworks, and flexible sealing rubber pads are arranged below the prefabricated formwork strips. The vertical edge of the high-strength angle iron is parallel to and abuts against the lower end of the original column wood formwork, the horizontal edge of the high-strength angle iron is arranged above the prefabricated formwork strip, and the horizontal edge of the high-strength angle iron is fixedly connected with the prefabricated formwork strip; and the multiple upper fastening bolts are connected with the original column wood formwork on one side of the steel bar column through nuts correspondingly, and the lower ends of the upper fastening bolts are located above the horizontal side of the high-strength angle iron. The flexible rubber pad and the prefabricated formwork strip are additionally arranged at the bottom of the column root, and the rubber pad is compacted through the upper fastening bolt, so that a gap between the formwork strip and a floor can be effectively sealed, water and cement are prevented from seeping from the bottom during concrete pouring, and common quality problems such as grout runout, grout leakage and root rot are avoided.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to an adjustable anti-grout leakage device for the bottom of a column. Background Technology

[0002] Wooden formwork is widely used in construction due to its advantages such as light weight, ease of processing, and low price. However, grout leakage and runoff are potential quality issues that need to be considered during formwork erection. Especially at the base of columns, the unevenness of the concrete surface often results in gaps between the bottom of the wooden formwork and the concrete, leading to common quality problems such as grout leakage and root rot after concrete pouring. Common practices on construction sites include controlling the flatness of the floor surface and pre-filling the bottom of the formwork with mortar, but the resulting finish is generally poor, with unsatisfactory appearance, and is also labor-intensive and resource-intensive. Utility Model Content

[0003] The purpose of this invention is to provide an adjustable anti-grout leakage device at the bottom of a column to solve the above-mentioned problems in the prior art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an adjustable column bottom anti-grout leakage device, comprising original column wooden formwork, four original column wooden formwork pieces surrounding the reinforced column, precast template strips below each of the four original column wooden formwork pieces, and flexible sealing rubber pads below the precast template strips; high-strength angle iron, the vertical edge of the high-strength angle iron being parallel to and abutting the lower end of the original column wooden formwork, the horizontal edge of the high-strength angle iron being positioned above the precast template strips, and the horizontal edge of the high-strength angle iron being fixedly connected to the precast template strips; upper fastening bolts, multiple upper fastening bolts being connected to the original column wooden formwork on one side of the reinforced column respectively through nuts, the lower end of the upper fastening bolts being located above the horizontal edge of the high-strength angle iron.

[0005] In a preferred embodiment, the interval between each pair of the multiple upper fastening bolts is no more than 20 cm, and the upper fastening bolts pass through two nuts in the vertical direction, with one side of the nut being fixedly connected to the template.

[0006] In a preferred embodiment, the horizontal side of the high-strength angle iron is located away from the original wooden template, and the horizontal side of the high-strength angle iron is located below the vertical side of the high-strength angle iron. A portion of the precast template strip is pressed below the cross-section of the original wooden template. The width of the portion of the precast template strip away from the original wooden template is equal to the width of the horizontal side of the high-strength angle iron. The length of the horizontal side of the high-strength angle iron at both ends is less than the length of the precast template strip and the thickness of one piece of the original wooden template. The area of ​​the flexible sealing rubber pad is equal to that of the precast template strip.

[0007] In a preferred embodiment, a rotating head is provided above the upper fastening bolt, and the diameter of the rotating head is larger than the inner diameter of the nut.

[0008] In a preferred embodiment, the length from the rotating head of the upper fastening bolt to the nut closest to the rotating head is greater than the distance from the horizontal edge of the high-strength angle iron to the ground.

[0009] In a preferred embodiment, the original wooden templates are arranged perpendicularly to each other, the thickness of the original wooden templates is 15 mm, and the connection between the original wooden templates forms an angle with a side length of 15 mm and an angle of 90°.

[0010] Compared with the prior art, this utility model has the following features and beneficial effects:

[0011] 1. This utility model adds a flexible rubber pad and a precast template strip to the bottom of the reinforced column. The rubber pad is pressed into place by the upper fastening bolts, which can effectively seal the gap between the template strip and the floor slab, prevent water and cement from seeping out from the bottom during concrete pouring, avoid common quality problems such as grout leakage, grout runoff, and root rot, significantly improve the forming quality of concrete columns, make the column surface smoother and more beautiful, reduce later repair work, and improve construction efficiency.

[0012] 2. This utility model sets a high-strength angle iron above the precast template strip and flexible sealing rubber pad. The high-strength angle iron can ensure that the bottom template strip and flexible rubber strip are subjected to uniform force when the upper fastening bolt rod is tightened, avoiding problems such as template deformation or sealing failure caused by uneven force, extending the service life of the template and device, and reducing construction costs. Attached Figure Description

[0013] The present invention will now be described in further detail with reference to the accompanying drawings.

[0014] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0015] Figure 2 This is a schematic diagram of the high-strength angle iron, prefabricated template strip, and flexible sealing rubber gasket of this utility model.

[0016] Attached diagram labels: 1 - original wooden formwork, 2 - high-strength angle iron, 3 - upper fastening bolt, 4 - precast formwork strip, 5 - flexible sealing rubber gasket, 6 - nut, 7 - rotating head. Detailed Implementation

[0017] The technical solutions in the embodiments of this utility model will be clearly and completely described below. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0018] Example 1:

[0019] See the examples. Figures 1 to 2As shown, this utility model discloses an adjustable column bottom anti-grout leakage device, including original column wooden template 1, four original column wooden templates 1 are arranged around the steel column, the original column wooden templates 1 are arranged vertically between each other, the thickness of the original column wooden template 1 is 15 mm, the connection between the original column wooden templates 1 forms an included angle with a side length of 15 mm and an angle of 90°, and a prefabricated template strip 4 is provided below each of the four original column wooden templates 1, and a flexible sealing rubber pad 5 is provided below the prefabricated template strip 4.

[0020] The vertical edge of the high-strength angle iron 2 is parallel to and abuts against the lower end of the original wooden template 1. The horizontal edge of the high-strength angle iron 2 is set above the precast template strip 4. The horizontal edge of the high-strength angle iron 2 is fixedly connected to the precast template strip 4. The horizontal edge of the high-strength angle iron 2 is set away from the original wooden template 1. The horizontal edge of the high-strength angle iron 2 is set below the vertical edge of the high-strength angle iron 2. A portion of the precast template strip 4 is pressed below the cross-section of the original wooden template 1. The width of the portion of the precast template strip 4 away from the original wooden template 1 is equal to the width of the horizontal edge of the high-strength angle iron 2. The length of the horizontal edge of the high-strength angle iron 2 at both ends is less than the length of the precast template strip 4 and the length of the thickness of one piece of the original wooden template 1. The flexible sealing rubber pad 5 is the same size as the area 4 of the precast template strip.

[0021] Multiple upper fastening bolts 3 are connected to the original wooden formwork 1 of the steel column on one side through nuts 6. The lower end of the upper fastening bolts 3 is located above the horizontal side of the high-strength angle iron 2. The interval between each pair of upper fastening bolts 3 is no more than 20 cm. The upper fastening bolts 3 pass through two nuts 6 in the vertical direction. One side of the nuts 6 is fixedly connected to the formwork. A rotating head 7 is set above the upper fastening bolts 3. The diameter of the rotating head 7 is larger than the inner diameter of the nuts 6. The length from the rotating head 7 of the upper fastening bolts 3 to the nut 6 closest to the rotating head 7 is greater than the distance from the horizontal side of the high-strength angle iron 2 to the ground.

[0022] Example 2:

[0023] Construction steps of this utility model:

[0024] Step 1: Lay out the control lines according to the drawings, and at the same time tie the vertical reinforcement bars;

[0025] Step 2: First, set flexible sealing rubber pads 5 around the column reinforcement. Set precast template strips 4 above the flexible sealing rubber pads 5. Support the original column wooden template 1 above the precast template strips 4. The original column wooden template 1 presses on the edge of the precast template strips 4 near the vertical reinforcement. The thickness of the original column wooden template 1 is 15 mm. The connection between each pair of original column wooden templates 1 forms an angle with a side length of 15 mm and an angle of 90°.

[0026] Step 3: Connect the horizontal edge of the high-strength angle iron 2 above the remaining part of the precast template strip 4. The vertical edge of the high-strength angle iron 2 is parallel to and close to the original wooden template 1.

[0027] Step 4: Install two nuts 6 vertically on the original wooden formwork 1. Two nuts 6 form a group, and multiple groups of nuts 6 are spaced apart. Insert an upper fastening bolt 3 into each group of nuts 6. The upper fastening bolt 3 should abut against the horizontal surface of the high-strength angle iron 2 to complete the installation.

Claims

1. An adjustable column bottom slurry leakage prevention device, characterized by: The utility model relates to a prefabricated formwork for reinforced concrete column, which comprises: a plurality of original column formwork plates (1), four of which are arranged around a reinforced concrete column, and each of the four original column formwork plates (1) is provided with a prefabricated formwork strip (4) below, and the prefabricated formwork strip (4) is provided with a flexible sealing rubber pad (5) below; a high-strength angle iron (2), the vertical edge of which is parallel to and abuts against the lower end of the original column formwork plate (1), and the horizontal edge of which is arranged above the prefabricated formwork strip (4) and is fixedly connected with the prefabricated formwork strip (4); a plurality of upper fastening bolts (3), each of which is connected with the original column formwork plate (1) of one side of the reinforced concrete column through a nut (6), and the lower end of each of the upper fastening bolts (3) is located above the horizontal edge of the high-strength angle iron (2).

2. An adjustable column bottom slurry containment device according to claim 1, wherein: The distance between any two of the upper fastening bolts (3) is not greater than 20 cm, the upper fastening bolt (3) passes through two nuts (6) in the vertical direction, and one side surface of the nut (6) is fixedly connected with the formwork.

3. An adjustable column bottom slurry containment device according to claim 2, wherein: The horizontal edge of the high-strength angle iron (2) is arranged away from the original column formwork plate (1), the horizontal edge of the high-strength angle iron (2) is arranged below the vertical edge of the high-strength angle iron (2), a part of the prefabricated formwork strip (4) is arranged below the cross section of the original column formwork plate (1), the width of the part of the prefabricated formwork strip (4) away from the original column formwork plate (1) is equal to the width of the horizontal edge of the high-strength angle iron (2), the length of the horizontal edge of the high-strength angle iron (2) at both ends is less than the length of the length of the prefabricated formwork strip (4) plus the thickness of one original column formwork plate (1), and the area of the flexible sealing rubber pad (5) is equal to that of the prefabricated formwork strip (4).

4. An adjustable column bottom slurry containment device according to claim 3, wherein: A rotating head (7) is arranged above the upper fastening bolt (3), and the diameter of the rotating head (7) is greater than the inner diameter of the nut (6).

5. An adjustable column bottom slurry containment device according to claim 4, wherein: The length from the rotating head (7) of the upper fastening bolt (3) to the nut (6) closest to the rotating head (7) is greater than the distance from the horizontal edge of the high-strength angle iron (2) to the ground.

6. An adjustable column bottom slurry containment device according to claim 4, wherein: The original column formwork plates (1) are arranged perpendicularly between any two of them, the thickness of the original column formwork plate (1) is 15 mm, and the connecting part between any two of the original column formwork plates (1) forms an included angle with a side length of 15 mm and an angle of 90°.

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