CN115199042B - Can have enough to meet need high low grade concrete interception safe double-deck protection system - Google Patents

Abstract

The invention discloses a turnover-type high and low-grade concrete interception safety double-layer protection system, which includes an air storage bag, an inflation system and a deflation system; the air storage bag includes an outer air bag, an inner air bag, a separation layer, and a first air storage chamber. , a first connection port, a second connection port and a second air storage cavity; the outer airbag and the inner airbag are connected as a whole through a separation layer, and form a first air storage cavity and a second air storage cavity; the outer airbag and The inner airbag is provided with a first connection port and a second connection port of coaxial lines; the inflation system passes through the first connection port and communicates with the second connection port, and supplies the first air storage chamber and the second storage chamber of the air storage bag. The air chamber is inflated; the deflation system is connected to the inflation system to deflate the first air storage chamber and the second air storage chamber of the air storage bag. The invention uses an air storage bag combined with an inflation system and a deflation system to achieve interception and protection of concrete, avoid leakage of high-strength grade concrete to beams and slabs, and ensure the quality of concrete construction in beam-column joint areas.

Description

A reversible high- and low-grade concrete interception safety double-layer protection system

Technical field

The invention relates to the technical field of building construction, and in particular to a turnover-type high and low grade concrete interception safety double-layer protection system.

Background technique

In the field of modern civil construction, the cutting and processing of the interface between high and low markings during concrete construction has always been a headache for construction workers during the construction process. The traditional method not only consumes a lot of labor and materials, but the finished molding effect is also unsatisfactory. Although the use of conventional concrete interception airbags solves the problem of saving manpower and material resources, the extrusion of the concrete during pouring of concrete will cause the deformation of the airbag. In a minor case, it will affect the quality of the concrete molding, and in a serious case, it will cause the expansion mold to leak. Pulp problem.

Contents of the invention

The purpose of the present invention is to propose a turnover-type high and low-grade concrete interception safety double-layer protection system in order to overcome the above-mentioned shortcomings of the prior art.

In order to achieve the above objects, the present invention adopts the following technical solutions:

A rotatable high- and low-grade concrete interception safety double-layer protection system, including an air storage bag, an inflation system and a deflation system; the air storage bag includes an outer air bag, an inner air bag, a separation layer, a first air storage chamber, and a first connection mouth, a second connecting port and a second air storage cavity; the outer airbag and the inner airbag are connected as a whole through a separation layer, and form a first air storage cavity and a second air storage cavity; the outer airbag and the inner airbag are provided with There are coaxial first connection ports and a second connection port; the inflation system passes through the first connection port and communicates with the second connection port to inflate the first air storage chamber and the second air storage chamber of the air storage bag. ; The deflation system is connected to the inflation system to deflate the first air storage chamber and the second air storage chamber of the air storage bag.

Furthermore, the outer airbag and the inner airbag are made of PVC composite mesh cloth material, and when inflated, form a cylindrical structure with an outer airbag diameter of 50mm-100mm and a length of 500mm-3000mm.

Further, the wall thickness of the outer airbag and the inner airbag is 0.6-1.5mm.

Furthermore, the PVC composite sandwich fabric is a structure composed of two layers of PVC calendered film and a layer of high-strength polyester in the middle through high-frequency and high-temperature heat sealing.

Further, the inflation system includes an inflation joint, a first return spring, a steel ball plug, a lower baffle, an upper baffle, a first spiral structure, an upper limit ring, an air inlet and an inflation nozzle; the inflation joint It is connected with the first spiral structure and the inflating nozzle from bottom to top to form an integral structure; the inflating joint is provided with a first return spring inside, and a gourd-shaped steel ball plug is arranged on the first return spring; the inflating joint is located outside An air inlet hole is provided on the inner wall of the part between the air bag and the inner air bag; the lower part of the inflatable joint is arranged in the inner air bag after passing through the second connection port, and the upper part connected with the first spiral structure is arranged in the outer air bag; The first spiral structure is fixedly connected to the first connection port through the lower baffle and the upper baffle; an upper limit ring is provided on the upper part of the inflating nozzle.

Further, a reducing plug is connected to the lower baffle; a lower limit ring is provided on the outer wall of the lower end of the first spiral structure; a first connection is provided between the upper baffle and the lower limit ring. ring belt.

Further, the upper part of the steel ball plug is small and the lower part is large, and the diameter of the upper spherical part is larger than the inner hole diameter of the first spiral structure; the inner wall of the inflatable joint is provided with a sealing part, and the outer wall is provided with a fixing groove; the sealing part The upward movement distance of the lower spherical part of the steel ball plug can be limited; the fixing groove is connected to the second connection port of the inner air bag to form a sealing structure; the inner bottom of the inflatable joint is provided with a support portion for limiting the first return spring .

Further, the deflation system includes a bottom baffle, a second spiral structure, a cylinder, a deflation rod, a second connecting ring, a second return spring and a deflation button; the lower part of the cylinder is provided with a bottom baffle. , the inner wall is provided with a second spiral structure; the deflation rod passes through the cylinder and is connected to the outer plane of the upper end of the cylinder through a second connecting ring; a second return spring is provided on the second connecting ring; The upper end of the deflation rod passes through the second return spring and is fixedly connected to the deflation button.

Further, the second spiral structure matches the first spiral structure and is threaded and rotated; the bottom baffle and the lower limit ring can be positioned and connected; when deflating, the cylinder of the deflating system is sleeved Enter the first spiral structure of the inflation system, connect the second spiral structure to the first spiral structure, rotate until the bottom baffle is fixedly connected to the lower limit ring, press the deflation button to move the deflation rod downward, and push the steel Press down on the ball plug to release the gas in the outer air bag and inner air bag.

The invention has the following advantages:

1. The present invention uses the air storage bag to cooperate with the inflation system and the deflation system to achieve interception and protection of concrete, avoid leakage of high-strength grade concrete to the beam plate, and ensure the quality of concrete in the beam-column node area.

2. Change the characteristics of traditional materials and use flexible materials to achieve detachable materials and reduce construction costs. The structural arrangement of the air storage bag has repairable characteristics, which greatly improves the reuse rate of the present invention.

3. Easy to install and dismantle, which greatly saves installation and dismantling costs, material costs and labor costs.

4. Air storage bags with different markings and colors can be used to identify more than three types of concrete markings to avoid confusion.

5. This air storage bag is divided into inner and outer double layers. The inner air bag can provide support to the outer air bag, prevent the air bag from deforming, and ensure construction quality; because the air storage bag is divided into inner and outer double layers and the inner and outer layers of the air bag are closed and do not communicate with each other, even if the outer air bag is damaged due to external force. Even if it is damaged, there will still be an inner air bag for support and protection.

Description of the drawings

Figure 1 is a schematic structural diagram of the system of the present invention.

Figure 2 is a schematic structural diagram of the air storage bag of the present invention.

Figure 3 is a schematic structural diagram of the inflation system of the present invention.

Figure 4 is a partial enlarged structural schematic diagram of the inflatable system of the present invention.

Figure 5 is a schematic structural diagram of the deflation system of the present invention.

Figure 6 is a schematic diagram of the connection structure of the deflation system of the present invention when in use.

Among them: air storage bag (1); inflation system (2); deflation system (3); outer air bag (11); inner air bag (12); separation layer (13); first air storage chamber (14); first Connection port (15); second connection port (16); second air storage chamber (17); inflation joint (2-1); first return spring (2-2); steel ball plug (2-3) ;Reducing plug (2-4); lower baffle (2-5); upper baffle (2-6); first connecting ring (2-7); lower limit ring (2-8); The first spiral structure (2-9); the upper limit ring (2-10); the inflation nozzle (2-11); the air inlet (2-12); the sealing part (2-13); the fixing groove (2- 14); bottom baffle (3-1); second spiral structure (3-2); barrel (3-3); deflation rod (3-4); second connecting ring (3-5); Second return spring (3-6); deflation button (3-7).

Detailed ways

The technical solutions 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. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments.

Example 1

As shown in Figures 1 to 5, a rotatable high and low grade concrete interception safety double-layer protection system includes an air storage bag 1, an inflation system 2 and a deflation system 3; the air storage bag 1 includes an outer air bag 11, an inner The airbag 12, the separation layer 13, the first air storage chamber 14, the first connection port 15, the second connection port 16 and the second air storage chamber 17; the outer airbag 11 and the inner airbag 12 are connected as a whole through the separation layer 13, A first air storage chamber 14 and a second air storage chamber 17 are formed; the outer airbag 11 and the inner airbag 12 are provided with coaxial first connection ports 15 and second connection ports 16; the inflation system 2 passes through Through the first connection port 15 and connected with the second connection port 16, the first air storage chamber 14 and the second air storage chamber 17 of the air storage bag 1 are inflated; the deflation system 3 is connected to the inflation system 2, and the air storage bag 1 is inflated. The first air storage chamber 14 and the second air storage chamber 17 of the air bag 1 are deflated. The air storage bag of the present invention separates the outer air bag 11 and the inner air bag 12 into two closed spaces through the partition layer 13. After inflating, the inner air bag 12 can provide support to the outer air bag 11, prevent the air storage bag 1 from deforming, and ensure the construction quality; because The air storage bag 1 is divided into an inner and outer double layer, and the inner and outer layers of the air bag are closed and do not communicate with each other. Even if the outer air bag 11 is damaged due to external force, there is still an inner air bag 12 for support and protection.

As a preferred embodiment, the outer airbag 11 and the inner airbag 12 are made of PVC composite mesh cloth material, and when the inflation is completed, the outer airbag 11 forms a cylindrical structure with a diameter of 50mm-100mm and a length of 500mm-3000mm.

As a preferred embodiment, the wall thickness of the outer airbag 11 and the inner airbag 12 is 0.6-1.5mm.

As a preferred embodiment, the PVC composite sandwich fabric is a structure made of two layers of PVC calendered film and a layer of high-strength polyester in the middle through high-frequency and high-temperature heat sealing. The structure has the characteristics of smooth surface, good air tightness, waterproof, acid and alkali resistance, certain elasticity, puncture resistance and wear resistance.

As shown in Figures 3 and 4, as a preferred embodiment, the inflation system 2 includes an inflation joint 2-1, a first return spring 2-2, a steel ball plug 2-3, a lower baffle 2-5, an upper Baffle 2-6, first spiral structure 2-9, upper limit ring 2-10, air inlet 2-12 and inflation nozzle 2-11; the inflation joint 2-1 and the first spiral structure 2-9 , the inflation nozzle 2-11 is connected from bottom to top to form an integral structure; the inflation joint 2-1 is provided with a first return spring 2-2 inside, and a gourd-shaped steel ball plug is provided above the first return spring 2-2 2-3; An air inlet hole 2-12 is provided on the inner wall of the portion of the inflation joint 2-1 located between the outer airbag 11 and the inner airbag 12; the lower part of the inflation joint 2-1 passes through the second connection port 16 The first spiral structure 2-9 is connected to the outer airbag 11 through the lower baffle 2-5 and the upper baffle 2-6. A connection port 15 is fixedly connected; an upper limit ring 2-10 is provided on the upper part of the inflating nozzle 2-11. The lower baffle 2-5 is connected with a reducing plug 2-4; a lower limit ring 2-8 is provided on the outer wall of the lower end of the first spiral structure 2-9; the upper baffle 2-6 A first connecting ring belt 2-7 is provided between the lower limiting ring 2-8. The steel ball plug 2-3 is divided into two parts, large and small, corresponding to the inflatable joint 2-1. The small steel ball is located at the upper part of the inflatable joint 2-1 and blocks the airway opening. The large steel ball is located at the lower part of the inflatable joint 2-1 and blocks the inside and outside. Airbag connection port. When inflating, gas enters through the airway, and the gas pressure pushes the steel ball into the air bag. Some of the gas enters the outer air bag 11 from the air inlet hole 2-12 next to the inflation joint 2-1, completing the inflation of the outer air bag 11, and part of the gas flows along the air inlet hole 2-12 next to the inflation joint 2-1. This airway enters the inner air bag 12 to complete the inflation of the inner air bag 12. Due to the large air pressure in the air bag, the small steel ball of the steel ball plug 2-3 is pushed to death under the dual pressure of the first return spring 2-2 and the inside of the air bag. At the airway opening, the large steel ball is also pushed against the sealing portion 2-13 of the inflatable joint 2-1 to form a sealed space to prevent air bag leakage. The diameter of the lower part of the reducing plug 2-4 is the same as the inner diameter of the lower baffle 2-5. The diameter after the reduction is greater than the inner diameter of the lower baffle 2-5. The lower baffle 2-5 is formed by the lower part of the reducing plug 2-4. Press in, and after passing through the reducing plug 2-4, it will be blocked by the upper part of the reducing plug 2-4 to ensure the tightness of the connection between the inflation system 2 and the air storage bag 1. The upper limit ring 2-10 and the inflating nozzle 2-11 are unified to facilitate the fixation of the inflator on the inflating nozzle 2-11, and inflate the airway inside the first spiral structure 2-9 through the inflating nozzle 2-11. .

As a preferred embodiment, the steel ball plug 2-3 has a small upper part and a large lower part, and the diameter of the upper spherical part is larger than the inner hole diameter of the first spiral structure 2-9; the inner wall of the inflatable joint 2-1 is provided with a sealing part 2-13, the outer wall is provided with a fixing groove 2-14; the sealing part 2-13 can limit the upward movement distance of the lower spherical part of the steel ball plug 2-3; the fixing groove 2-14 is connected with the second part of the inner airbag 12 The connection port 16 is connected into a sealed structure; the inner bottom of the inflatable joint 2-1 is provided with a support portion for limiting the first return spring 2-2.

As shown in 5, the deflation system 3 includes a bottom baffle 3-1, a second spiral structure 3-2, a cylinder 3-3, a deflation rod 3-4, a second connecting ring belt 3-5, and a second spiral structure 3-2. Two return springs 3-6 and a deflation button 3-7; the lower part of the cylinder 3-3 is provided with a bottom baffle 3-1, and the inner wall is provided with a second spiral structure 3-2; the deflation rod 3-4 It passes through the cylinder 3-3 and is connected to the outer plane of the upper end of the cylinder 3-3 through the second connecting ring 3-5; a second return spring 3-6 is provided on the second connecting ring 3-5. ; The upper end of the deflation rod 3-4 passes through the second return spring 3-6 and is fixedly connected to the deflation button 3-7. The first connecting ring belt 2-7 and the second connecting ring belt 3-5 can be configured as an integral structure, or can be configured as a detachable threaded structure that is locked and connected by a nut.

As shown in Figure 6, as a preferred embodiment, the second spiral structure 3-2 matches the first spiral structure 2-9 and is threadedly connected; the bottom baffle 3-1 and the lower limiting ring 2 -8 can be positioned and connected; when deflating, insert the barrel 3-3 of the deflation system 3 into the first spiral structure 2-9 of the inflation system 2, so that the two spiral structures 3-2 and the first spiral structure 2 -9 screw connection, rotate until the bottom baffle 3-1 is fixedly connected to the lower limit ring 2-8, press the deflation button 3-7 to move the deflation rod 3-4 downward, and plug the steel ball 2 -3 Press down to release the gas in the outer air bag 11 and inner air bag 12.

Example 2

Before using the system of the present invention, you should first count the spacing of the steel bars of all beams, columns, nodes, and beams, select the maximum steel bar spacing and the average steel bar spacing, determine that the diameter of the air storage bag 1 is more than 20mm larger than the maximum steel bar spacing and the average steel bar spacing, and then count all the beams. For the design height of the column node beam section, select the maximum beam section height and determine that the height of the air storage bag 1 is 300mm greater than the maximum beam section height. After the steel bars at the beam-column joints are tied, place the uninflated air bag 1 according to the gap between the steel bars. After placement, first tighten the air pump and the inflating nozzle 2-11 and then inflate. The gas will enter the inner and outer air bags at the same time, and the inner air bag will be filled. 12 plays a supporting role for the external air bag 11 to prevent the air bag from being deformed due to external pressure. At the same time, the air bag is used to inflate and expand to fill the gaps between the beam reinforcements, completely separating the high-strength concrete of the beam-column joints from the low-strength concrete of the beam and slab. Then pour high-strength concrete for beam-column joints. Before pouring low-strength concrete for beams and slabs, deflate the air bag and shrink it. The air bag can be pulled out after detaching from the concrete. After cleaning, it can be used on the next floor or in the flow section. reusable.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed in the present invention, implement the technical solutions of the present invention. Equivalent substitutions or changes of the inventive concept thereof shall be included in the protection scope of the present invention.

Claims (5)

1. A turnover-type high and low-grade concrete interception safety double-layer protection system, including an air storage bag, an inflation system and a deflation system; characterized in that: the air storage bag includes an outer air bag, an inner air bag, a separation layer, and a first storage bag. An air chamber, a first connection port, a second connection port and a second air storage chamber; the outer airbag and the inner airbag are connected as a whole through a separation layer, and form a first air storage chamber and a second air storage chamber; the outer airbag The air bag and the inner air bag are provided with coaxial first connection ports and second connection ports; the inflation system passes through the first connection port and communicates with the second connection port, and supplies the first air storage chamber and the third air storage chamber of the air storage bag. The two air storage chambers are inflated; the deflation system is connected to the inflation system to deflate the first air storage chamber and the second air storage chamber of the air storage bag; The outer airbag and the inner airbag are made of PVC composite mesh cloth material, and when inflated, form a cylindrical structure with an outer airbag diameter of 50mm-100mm and a length of 500mm-3000mm; the PVC composite mesh cloth It is a structure made of two layers of PVC calendered film and a layer of high-strength polyester in the middle through high-frequency and high-temperature heat sealing; The inflation system includes an inflation joint, a first return spring, a steel ball plug, a lower baffle, an upper baffle, a first spiral structure, an upper limit ring, an air inlet and an inflation nozzle; the inflation joint is connected to the first The spiral structure and the inflating nozzle are connected from bottom to top to form an integral structure; a first return spring is provided inside the inflating joint, and a gourd-shaped steel ball plug is provided above the first return spring; the inflating joint is located between the outer air bag and the inner air bag. An air inlet hole is provided on the inner wall of the part between the air bags; the lower part of the inflatable joint is arranged in the inner air bag after passing through the second connection port, and the upper part is connected to the first spiral structure and is arranged in the outer air bag; the first spiral The structure is fixedly connected to the first connection port through the lower baffle and the upper baffle; the upper part of the inflating nozzle is provided with an upper limit ring; the upper part of the steel ball plug is small and the lower part is large, and the diameter of the upper spherical part is larger than the first The inner hole diameter of the spiral structure, the steel ball plug is divided into two parts, large and small, corresponding to the inflatable joint. The small steel ball is located at the upper part of the inflatable joint, blocking the airway opening, and the large steel ball is located at the lower part of the inflatable joint, blocking the connection between the inner and outer airbags; The inner wall of the inflatable joint is provided with a sealing part, and the outer wall is provided with a fixing groove; the sealing part can limit the upward movement distance of the lower spherical part of the steel ball plug; the fixing groove is connected to the second connection port of the inner air bag to form a sealing structure; The inner bottom of the inflatable joint is provided with a support portion for limiting the first return spring. 2. A rotatable high- and low-grade concrete interception safety double-layer protection system according to claim 1, characterized in that: the wall thickness of the outer air bag and the inner air bag is 0.6-1.5 mm. 3. A rotatable high- and low-grade concrete interception safety double-layer protection system according to claim 1, characterized in that: the lower baffle is connected with a variable-diameter plug; the lower end of the first spiral structure A lower limiting ring is provided on the outer wall; a first connecting ring is provided between the upper baffle and the lower limiting ring. 4. A rotatable high- and low-grade concrete interception safety double-layer protection system according to claim 1, characterized in that: the deflation system includes a bottom baffle, a second spiral structure, a cylinder, and a deflation rod. , a second connecting ring, a second return spring and a deflation button; the lower part of the cylinder is provided with a bottom baffle, and the inner wall is provided with a second spiral structure; the deflation rod passes through the cylinder and passes through the second connection The annular belt is connected to the outer plane of the upper end of the cylinder; a second return spring is provided on the second connecting annular belt; the upper end of the deflation rod passes through the second return spring and is fixedly connected to the deflation button. 5. A rotatable high- and low-grade concrete interception safety double-layer protection system according to claim 4, characterized in that: the second spiral structure matches the first spiral structure and is threaded for rotational connection; The bottom baffle and the lower limit ring can be positioned and connected; when deflating, insert the barrel of the deflation system into the first spiral structure of the inflation system, so that the second spiral structure is spirally connected to the first spiral structure and rotated to the bottom After the baffle is fixedly connected to the lower limit ring, press the deflation button to move the deflation rod downward, press down the steel ball plug, and release the gas in the outer air bag and the inner air bag.