Old concrete stand column reinforcing device

By combining steel corner fixing frames and wooden sealing formwork, the problem of insufficient pure steel structure in the reinforcement of old concrete columns is solved, and more efficient reinforcement effect and aesthetic improvement is achieved, ensuring the safety and aesthetics of the building.

CN222350329UActive Publication Date: 2025-01-14YICHANG CHUBANG CONSTRUCTION ENGINEERING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421200461.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-14
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The prior art relies on pure steel structures in the reinforcement of old concrete columns, and lacks effective combination methods, resulting in poor reinforcement effect and complex installation process, which increases the necessity of grouting process.

Method used

The steel corner fixing frame is combined with the wooden sealing formwork. Through the interlaced pulling fixing frame and sealing formwork, the removable decorative panel is used to improve the bonding degree of the reinforcement device, and a stable bond is formed through the grouting cavity. , enhance the bearing capacity and stability of the column.

Benefits of technology

It significantly improves the bearing capacity and stability of concrete columns in old buildings, extends the service life of the building, ensures residents' safety, and improves the aesthetics of the building and the overall image of the city.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222350329U_ABST
    Figure CN222350329U_ABST
Patent Text Reader

Abstract

The utility model provides an old concrete stand column reinforcing device which comprises a corner fixing frame, a plurality of opposite-pulling fixing frames distributed in a staggered mode are arranged on the corner fixing frame, sealing formworks are arranged on the outer sides of the opposite-pulling fixing frames, detachable decorative plates are arranged on the outer sides of the sealing formworks, and the corner fixing frame comprises a plurality of corner plates. According to the reinforcing device, the steel corner fixing frame and the wood sealing formwork are combined for use, the bearing capacity and stability of the concrete stand column of the old building are remarkably improved, the concrete stand column is not prone to falling off, the concrete stand column is not prone to falling off, the concrete stand column is not prone to falling off, and the concrete stand column is not prone to falling off. The original structure is effectively strengthened, the service life of a building is prolonged, the safety of residents is ensured, the decoration plate on the outer side improves the attractiveness of the building, the building is harmonious and unified with the overall image of a city, the important positive influence on improvement of the safety and attractiveness of the city is achieved, and the problem about reinforcement of the old concrete stand column is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of old building renovation, in particular to an old concrete column reinforcement device. Background Art

[0002] In the process of urban renewal and renovation of old communities, renovation of existing old buildings is an important means to improve the city's image and increase residents' happiness. These buildings are often old and their structural safety performance has declined. Among them, concrete columns are the main load-bearing structures, and their reinforcement and maintenance are particularly critical. In order to protect the lives and property of residents, it is necessary to effectively reinforce the concrete columns in old buildings.

[0003] At present, there are various methods for reinforcing concrete columns in old buildings. One of the commonly used methods is to use steel corner brackets for reinforcement. This bracket is usually made of steel, has high strength and durability, and can effectively improve the bearing capacity of the column. When installing, first put the bracket close to both sides of the column, and then connect it to the original structure through anchor bolts and other connectors to ensure that the bracket and the column form a whole.

[0004] Therefore, a device is needed to reinforce the concrete column, abandon the previous pure steel structure reinforcement, add a grouting process, and improve the degree of integration between the reinforcement device and the concrete column. Utility Model Content

[0005] The main purpose of the utility model is to provide a device for reinforcing old concrete columns, which solves the problem of reinforcing old concrete columns.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: an old concrete column reinforcement device, including an edge and corner fixing frame, a plurality of staggered tension fixing frames are arranged on the edge and corner fixing frame, a sealing template is arranged on the outer side of the tension fixing frame, and a detachable decorative panel is arranged on the outer side of the sealing template;

[0007] The corner fixing frame includes a plurality of corner plates, one side of the corner plates is provided with an outer flange plate, and the outer flange plate is provided with a plurality of evenly distributed corner tightening holes;

[0008] Corner tightening rods are also provided in the corner tightening holes on the adjacent corner plates.

[0009] In a preferred embodiment, the tension fixing frame includes a tensioning plate, one side of which is provided with a through mounting hole, and the mounting hole is used to connect with the corner tensioning rod;

[0010] The tensioning plate is also provided with a through tensioning welding hole, and the tensioning welding hole is arranged with the mounting hole.

[0011] In the preferred embodiment, a tension steel bar is provided in the tension welding hole, and the tension steel bar passes through the concrete column and is welded to the tension tensioning plate on the opposite side;

[0012] Both ends of the tensioning steel bars are welded to the tensioning plates.

[0013] In a preferred embodiment, the sealing template comprises a flat plate, bosses are provided at both ends of the flat plate, a grouting hole is provided on the boss on one side, and penetrating pressure relief holes are provided on both sides of the grouting hole;

[0014] The flat plate is also provided with a plurality of connection countersunk holes, which are used for connecting with the tensioning plate bolts.

[0015] In a preferred embodiment, the decorative plate includes a panel, with chamfered surfaces on both sides of the panel, and grooves on both ends of the panel, the grooves corresponding to the bosses one by one;

[0016] A plurality of locking holes are also arranged on the plane of the panel.

[0017] In a preferred embodiment, a decorative sticker that can be pasted is also provided on the outward side of the panel.

[0018] In the preferred embodiment, the inner surface of the sealed template and the corner fixing frame together form a grouting cavity, and grouting in this space can enable the mud to form a stable bond with the corner tension rods and the tensioning steel bars.

[0019] In a preferred embodiment, the corner tension rod is welded to the outer flange plate.

[0020] In the preferred embodiment, the corner fixing frame and the tension fixing frame are made of steel;

[0021] The sealing formwork is made of wood structure and the decorative panels are made of lightweight flame-retardant material.

[0022] The utility model provides a reinforcement device for old concrete columns, which has the following beneficial effects: the reinforcement device significantly improves the bearing capacity and stability of concrete columns of old buildings by combining the use of steel corner fixing frames and wooden sealing formwork, which not only effectively strengthens the original structure, but also extends the service life of the building and ensures the safety of residents. The decorative panels on the outside enhance the beauty of the building, and are in harmony with the overall image of the city, which has an important positive impact on improving urban safety and beauty. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0024] Figure 1 It is an exploded view of the reinforcement device of the utility model;

[0025] Figure 2 It is an axonometric view of the corner fixing bracket of the utility model;

[0026] Figure 3 is a cross-sectional view of the reinforcement device of the utility model;

[0027] Figure 4 It is a top view cross-sectional view of the reinforcement device of the utility model;

[0028] Figure 5 It is an axonometric view of the reinforcement device of the utility model;

[0029] Figure 6 It is an axonometric view of the sealing template of the utility model;

[0030] Figure 7 It is an axonometric view of the corner plate of the utility model;

[0031] Figure 8 It is an axonometric view of the decorative plate of the utility model;

[0032] Fig. 9 It is an axonometric view of the grouting device of the utility model;

[0033] Fig.10 It is a cross-sectional view of the grouting device of the utility model;

[0034] Fig.11 It is a construction schematic diagram of the grouting device of the utility model.

[0035] In the figure: concrete column 1; corner fixing frame 2; outer flange plate 201; corner tension hole 202; corner tension rod 203; corner plate 204; tension fixing frame 3; tension tension plate 301; tension steel bar 302; tension welding hole 303; mounting hole 304; sealing template 4; flat plate 401; boss 402; grouting hole 403; pressure relief hole 404; connecting countersunk hole 405; decorative plate 5; panel 501; chamfer 502; groove 503; locking hole 504; frame 6; intermediate frame 601; bottom frame 60 2; mixing barrel 603; slide rail bracket 604; guide rail 605; transverse frame 606; mixing fixed groove 607; disassembly port 608; hook 609; feed pipe 610; electric butterfly valve 611; agitator 7; mounting seat 701; stirring rod 702; stirring head 703; grouting assembly 8; grouting motor 801; propeller blade 802; one-way valve 803; slurry outlet hole 804; grouting lifting frame 9; mobile base 901; lifting bracket 902; lifting delivery pipe 903; adapter hose 904; grouting joint 905. DETAILED DESCRIPTION

[0036] Example 1

[0037] like Figure 1-8As shown, an old concrete column reinforcement device includes an edge and corner fixing frame 2, a plurality of tension fixing frames 3 arranged in a staggered manner are arranged on the edge and corner fixing frame 2, a sealing template 4 is arranged on the outer side of the tension fixing frame 3, and a detachable decorative panel 5 is arranged on the outer side of the sealing template 4;

[0038] The corner fixing frame 2 includes a plurality of corner plates 204, one side of the corner plate 204 is provided with an outer flange plate 201, and the outer flange plate 201 is provided with a plurality of evenly distributed corner tightening holes 202;

[0039] A corner tightening rod 203 is also provided in the corner tightening hole 202 on the adjacent corner plate 204 .

[0040] In the preferred embodiment, the tension fixing frame 3 includes a tensioning plate 301, and a through mounting hole 304 is provided on one side of the tensioning plate 301, and the mounting hole 304 is used to connect with the corner tensioning rod 203;

[0041] The tensioning plate 301 is also provided with a through tensioning welding hole 303 , and the tensioning welding hole 303 is arranged in parallel with the mounting hole.

[0042] In the preferred embodiment, a tension steel bar 302 is provided in the tension welding hole 303, and the tension steel bar 302 passes through the concrete column 1 and is welded to the tension tensioning plate 301 on the opposite side;

[0043] Both ends of the tensioning steel bar 302 are welded to the tensioning plate 301 .

[0044] In the preferred embodiment, the sealing template 4 includes a flat plate 401, with bosses 402 at both ends of the flat plate 401, a grouting hole 403 is provided on the boss 402 on one side, and penetrating pressure relief holes 404 are provided on both sides of the grouting hole 403;

[0045] The flat plate 401 is also provided with a plurality of connection countersunk holes 405 , and the connection countersunk holes 405 are used for bolt connection with the tensioning plate 301 .

[0046] In the preferred embodiment, the decorative plate 5 includes a panel 501, and chamfered surfaces 502 are provided on both sides of the panel 501. Both ends of the panel 501 are also provided with grooves 503, and the grooves 503 correspond to the bosses 402 one by one.

[0047] A plurality of locking holes 504 are also provided on the plane of the panel 501 .

[0048] In a preferred embodiment, a decorative sticker that can be pasted is also provided on the outward side of the panel 501.

[0049] In the preferred embodiment, the inner surface of the sealing template 4 and the corner fixing frame 2 together form a grouting cavity. Grouting in this space can enable the mud to form a stable bond with the corner tension rods 203 and the tensioning steel bars 302.

[0050] In a preferred embodiment, the corner tension rod 203 is welded to the outer flange plate 201 .

[0051] In the preferred embodiment, the corner fixing frame 2 and the tension fixing frame 3 are made of steel;

[0052] The sealing template 4 is a wooden structure, and the decorative panel 5 is a lightweight flame-retardant material. The wooden structure and lightweight flame-retardant material are used to prevent too many steel structures from forming signal shielding and causing trouble to residents.

[0053] A construction method of an old concrete column reinforcement device is as follows: roughen the surface of the original old concrete column 1. Install corner plates 204 at the four corners of the concrete column 1, and preferentially place corner tension rods 203 in the uppermost and lowermost corner tension holes 202, and slightly weld them first;

[0054] After the corner plates 204 at the four corners are preliminarily connected, the corner tension rods 203 are added according to the age of the column and the construction requirements. When the corner tension rods 203 are added, the tensioning tension plates 301 are added according to the designed height. After the tensioning tension plates 301 are installed, a through hole is drilled on the concrete column 1 through the tensioning welding hole 303, and the tensioning steel bar 302 is passed through it, and the two ends of the tensioning steel bar 302 are welded together with the tensioning welding hole 303;

[0055] After the basic internal steel structure welding is completed, the sealing template 4 is connected to the tensioning plate 301 by bolts through the connecting countersunk holes, sealant is injected into the countersunk holes and the bolts are tightened, and the grouting device is used to grout the inside of the corner fixing frame 2 through the grouting holes 403. The grout can better combine the corner tension rods 202, the tensioning steel bars 302 and the concrete column 1.

[0056] After the construction is completed, a decorative panel 5 is installed on the outermost side of the sealing template 4. The decorative panel 5 is made of a lightweight flame-retardant material, and a pattern simulating a wooden structure can be used on its outer surface to improve comfort.

[0057] Example 2

[0058] Further illustrate with reference to Example 1, Figure 9-11 In the structure shown, the grouting device includes a frame 6, a grouting assembly 8 is provided at the lower layer of the frame 6, a plurality of stirring barrels 603 are provided above the grouting assembly 8, a movable stirrer 7 is provided on the top of the frame 6, and a grouting lifting frame 9 is provided on the discharge side of the grouting assembly 8;

[0059] A feed pipe 610 is also provided between the mixing barrel 603 and the grouting assembly 8 , and an electric-controlled butterfly valve 611 is provided on the feed pipe 610 .

[0060] In the preferred embodiment, the frame 6 includes a bottom frame 602 and an intermediate frame 601, the grouting assembly 8 is arranged on the bottom frame 602, the mixing barrel 603 is arranged on the intermediate frame 601, slide rail brackets 604 are provided on both sides of the top of the intermediate frame 601, guide rails 605 are provided between the slide rail brackets 604, and the agitator 7 is arranged on the guide rails 605.

[0061] In the preferred embodiment, a slidable transverse frame 606 is provided on the guide rail 605, and a stirring fixed groove 607 is provided on the transverse frame 606 at the center of the stirring barrel 603, and a through disassembly opening 608 is provided on one side of the stirring fixed groove 607;

[0062] The stirring fixing tank 607 is used to install the stirrer 7.

[0063] In a preferred embodiment, the stirrer 7 includes a mounting seat 701 , a stirring motor is disposed above the mounting seat 701 , a stirring rod 702 is disposed at the output shaft end of the stirring motor, and a detachable stirring head 703 is disposed at the bottom end of the stirring rod 702 .

[0064] In the preferred embodiment, the grouting assembly 8 includes a grouting motor 801, the output shaft end of the grouting motor 801 is provided with a propeller blade 802, and one side of the top end of the propeller blade 802 is also provided with a grout outlet hole 804;

[0065] A one-way valve 803 is also provided between the pulp outlet hole 804 and the propeller blade 802 .

[0066] In the preferred embodiment, the grouting lifting frame 9 includes a mobile base 901, a lifting bracket 902 is provided above the mobile base 901, a lifting delivery pipe 903 is provided on the lifting bracket 902, and a transfer hose 904 is provided at the top of the lifting delivery pipe 903;

[0067] The output end of the adapter hose 904 is also provided with a grouting joint 905 .

[0068] In the preferred embodiment, a transfer pipe is further provided between the lifting and conveying pipe 903 and the grouting hole 804 of the grouting motor 801;

[0069] A hook 609 is also provided on one side of the frame 6, and the hook 609 is used to hang a scraper and a bucket brush during construction.

[0070] The specific working process of a concrete column grouting device is as follows: before construction, confirm that the three electric-controlled butterfly valves 611 are in a closed state, move the device to a position near the reinforcement device that needs grouting, place the grouting lifting frame 9 in front of the reinforcement device, and the construction personnel use the scaffolding to thread the grouting joint 905 on the top of the grouting lifting frame 9 with the grouting hole 403;

[0071] After the connection is completed, the transverse frame 606 is moved to the center of a mixing barrel 603, and the transverse frame 606 is fixed to the guide rail 605 by means of set screws. Mud powder and water are poured into the mixing barrel 603 according to the designed proportion, and the agitator 7 is started to stir the mud. After the stirring is completed, the agitator 7 is moved to the position of the next mixing barrel 603 and fixed according to the above method, and the second barrel of mud is continued to be stirred;

[0072] The electrically controlled butterfly valve 611 below the mixing barrel 603 after stirring can be opened, and the mud enters the grouting assembly 8 through the discharge pipe 610. The mud is transported by the propeller blades 802 and finally passes through the one-way valve 803, the slurry outlet hole 804, the lifting and conveying pipe 903 in sequence, and finally enters the reinforcement device.

[0073] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An old concrete column reinforcement device, characterized by: It comprises an edge and corner fixing frame (2), a plurality of tension fixing frames (3) arranged in a staggered manner are provided on the edge and corner fixing frame (2), a sealing template (4) is provided on the outer side of the tension fixing frame (3), and a detachable decorative panel (5) is provided on the outer side of the sealing template (4); The corner fixing frame (2) comprises a plurality of corner plates (204), one side of each corner plate (204) is provided with an outer flange plate (201), and the outer flange plate (201) is provided with a plurality of evenly distributed corner tightening holes (202); A corner tightening rod (203) is also provided in the corner tightening hole (202) on the adjacent corner plate (204).

2. According to claim 1, the old concrete column reinforcement device is characterized by: The tension fixing frame (3) comprises a tensioning plate (301), one side of the tensioning plate (301) is provided with a penetrating mounting hole (304), and the mounting hole (304) is used to be connected to the corner tensioning rod (203); The tensioning plate (301) is also provided with a through tensioning welding hole (303), and the tensioning welding hole (303) is arranged in parallel with the mounting hole.

3. According to claim 2, the old concrete column reinforcement device is characterized in that: A tension steel bar (302) is provided in the tension welding hole (303), and the tension steel bar (302) passes through the concrete column (1) and is welded to the tension tensioning plate (301) on the opposite side; Both ends of the tensioning steel bar (302) are welded to the tensioning plate (301).

4. The old concrete column reinforcement device according to claim 1 is characterized in that: The sealing template (4) comprises a flat plate (401), with bosses (402) provided at both ends of the flat plate (401), a grouting hole (403) provided on the boss (402) on one side, and penetrating pressure relief holes (404) provided on both sides of the grouting hole (403); The flat plate (401) is also provided with a plurality of connection countersunk holes (405), and the connection countersunk holes (405) are used for bolt connection with the tensioning plate (301).

5. The old concrete column reinforcement device according to claim 1 is characterized in that: The decorative plate (5) comprises a panel (501), with chamfered surfaces (502) being provided on both sides of the panel (501), and grooves (503) being provided at both ends of the panel (501), wherein the grooves (503) correspond one to one with the bosses (402); A plurality of locking holes (504) are also provided on the plane of the panel (501).

6. The old concrete column reinforcement device according to claim 5 is characterized in that: The outward side of the panel (501) is also provided with an adhesive decorative sticker.

7. The old concrete column reinforcement device according to claim 4 is characterized in that: The inner surface of the sealing template (4) and the corner fixing frame (2) together form a grouting cavity, and grouting in this space can enable the mud to form a stable bond with the corner tension rod (203) and the tensioning steel bar (302).

8. The old concrete column reinforcement device according to claim 1 is characterized in that: The corner tension rod (203) is welded to the outer flange plate (201).

9. The old concrete column reinforcement device according to claim 1 is characterized in that: The corner fixing frame (2) and the tension fixing frame (3) are made of steel; The sealing template (4) is a wooden structure, and the decorative board (5) is a lightweight flame-retardant material.