Carbon fiber cloth laying device suitable for reinforcing beam bottom of concrete bridge

Abstract

The invention relates to the technical field of carbon fiber cloth laying, and discloses a carbon fiber cloth laying device suitable for reinforcing the bottom of a concrete bridge, which comprises a movable frame mounted in a construction hanging basket, a support frame for fixing a carbon fiber cloth roll and a containing assembly for containing resin adhesive. According to the carbon fiber cloth laying device suitable for reinforcing the beam bottom of the concrete bridge, by arranging the containing assembly, the carbon fiber cloth slicking assembly and the carbon fiber cloth paving assembly, the containing assembly rotates along with forward movement of the device to take out resin adhesive in a liquid accumulation groove, and the resin adhesive is smeared on the surface of a concrete beam body and carbon fiber cloth; when the carbon fiber cloth is paved, the carbon fiber cloth slicking assembly promotes the carbon fiber cloth to be combined with resin glue, the carbon fiber cloth paving assembly further flattens the carbon fiber cloth and enables the carbon fiber cloth to be flatly attached to the bottom of a concrete beam, and glue brushing, pasting, slicking and pasting of the carbon fiber cloth are integrated on an instrument. The pasting quality of the carbon fiber cloth can be controlled by standardizing the equipment size, the manual influence is reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of carbon fiber cloth laying, in particular to a carbon fiber cloth laying device suitable for reinforcing the bottom of a concrete bridge beam. Background Art

[0002] When reinforcing and renovating old bridges, it is necessary to select materials with higher strength for repair and reinforcement. Among them, the strength of carbon fiber materials is very high, especially in the process of reinforcing and repairing dangerous old bridges. It can fully play the advantages of carbon fiber materials, comprehensively improve the ductility and bearing performance of bridges, and greatly improve the stress conditions of bridges. This has a positive effect on improving the reinforcement level of concrete bridge structures.

[0003] Traditional carbon fiber cloth pasting adopts manual laying, pasting and scraping. When the bridge reinforcement area is large, manual laying and pasting takes a long time. When there is a certain slope on the bridge deck, the manual laying of glue is uneven, which can easily affect the pasting quality of the carbon fiber cloth. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a carbon fiber cloth laying device suitable for reinforcing the bottom of a concrete bridge beam, which solves the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: a carbon fiber cloth laying device suitable for reinforcing the bottom of a concrete bridge beam, comprising: a mobile frame installed in a construction hanging basket, a support frame for fixing a carbon fiber cloth roll, and a containing component for containing resin glue, wherein the support frame and the containing component are respectively arranged on both sides of the mobile frame, a carbon fiber cloth scraping component and a carbon fiber cloth paving component are respectively arranged between the support frame and the containing component, a mobile component is arranged at the bottom of the carbon fiber cloth paving component and the carbon fiber cloth scraping component, and the mobile component is connected to the side plate of the mobile frame.

[0006] Preferably, the support frame includes a roller and first support rods symmetrically arranged on the side of the movable frame, the tops of the two first support rods are provided with mounting grooves, and the two ends of the roller are respectively connected to the inner walls of the two mounting grooves.

[0007] Preferably, the containing assembly includes a liquid collection box and a second support rod symmetrically arranged on a side of the movable frame away from the support frame, the two second support rods are respectively connected to two sides of the liquid collection box, and the inner wall of the liquid collection box is rotatably connected to a roller brush.

[0008] Preferably, the carbon fiber cloth scraping assembly includes a first connecting rod, a first mounting rod is arranged on the top of the first connecting rod, the first mounting rod is arranged perpendicular to the first connecting rod, a first mounting frame is arranged on the top of the first mounting rod, and a scraping plate is arranged on the top of the first mounting frame.

[0009] Preferably, the number of the carbon fiber cloth flattening components is two, and the two carbon fiber cloth flattening components are both located on one side of the carbon fiber cloth flattening component;

[0010] The carbon fiber cloth flattening assembly includes a second connecting rod, a second mounting rod is arranged on the top of the second connecting rod, the second mounting rod is arranged perpendicular to the second connecting rod, a second mounting frame is arranged on the top of the second mounting rod, and a flattening rod is arranged on the top of the second mounting frame.

[0011] Preferably, a rotating seat is provided at the top of each of the first mounting rod and the second mounting rod, the first mounting frame is rotatably connected to the first mounting rod via the rotating seat, and the second mounting frame is rotatably connected to the second mounting rod via the rotating seat;

[0012] A first limit spring is symmetrically arranged at the bottom of the scraping plate, and the bottom end of the first limit spring is connected to the top of the first mounting rod. A second limit spring is symmetrically arranged at the bottom of the leveling rod, and the bottom end of the second limit spring is connected to the top of the second mounting rod.

[0013] Preferably, limit plates are provided on both sides of the first mounting rod and the second mounting rod.

[0014] Preferably, the moving assembly comprises a moving seat, a plurality of rollers are installed on the inner wall of the moving seat, and the rollers are connected to the surface of the side plate of the moving frame;

[0015] The bottoms of the first connecting rod and the second connecting rod are both provided with connecting rods, and the ends of the connecting rods are connected to the top of the moving seat.

[0016] Preferably, a positioning plate is provided on the surface of the movable seat, a positioning knob is threadedly connected to the inner wall of the positioning plate, and the bottom end of the positioning knob is connected to the surface of the side plate of the movable frame.

[0017] Preferably, a guide rail is provided at the bottom of the inner wall of the construction hanging basket, and the movable frame is connected to the movable part of the guide rail.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention provides a containing component, a carbon fiber cloth scraping component and a carbon fiber cloth paving component. The containing component rotates with the forward movement of the device to bring out the resin glue in the liquid accumulation tank and smear it on the surface of the concrete beam and the carbon fiber cloth. When the carbon fiber cloth is spread, the carbon fiber cloth scraping component promotes the combination of the carbon fiber cloth and the resin glue. The carbon fiber cloth paving component further flattens the carbon fiber cloth and makes the carbon fiber cloth flat on the bottom of the concrete beam. The brushing, pasting and scraping of the carbon fiber cloth are integrated on the device. The pasting quality of the carbon fiber cloth can be controlled by standardized equipment size, reducing manual influence and improving construction efficiency.

[0020] 2. The present invention, by setting a rotating seat, a first limiting spring and a second limiting spring, the first mounting frame is rotatably connected to the first mounting rod through the rotating seat, the second mounting frame is rotatably connected to the second mounting rod through the rotating seat, the scraping plate rotates with the first mounting frame, and the leveling rod rotates with the second mounting frame. When there is a slope on the beam body, the scraping plate and the leveling rod can be rotated to be flat on the bottom of the beam. At this time, the first limiting spring and the second limiting spring respectively make the top end of the scraping plate and the leveling rod close to the bottom of the beam for limiting, and at the same time facilitate the resetting of the scraping plate and the leveling rod, which is suitable for the pasting of carbon fiber cloth on bridges with different cross slopes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the support structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the holding component of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the carbon fiber cloth flattening assembly of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the carbon fiber cloth flattening assembly of the present invention;

[0026] Figure 6 This is a schematic diagram of the internal structure of the mobile seat of the present invention;

[0027] Figure 7 This is a schematic diagram of the docking structure between the mobile frame and the guide rail of the present invention;

[0028] Figure 8 It is a schematic diagram of the side view structure of the construction hanging basket and the bridge beam of the present invention;

[0029] Fig. 9 It is a schematic diagram of the top view structure of the construction hanging basket and the bridge beam body of the present invention.

[0030] In the figure: 1. moving frame; 2. supporting frame; 21. winding roller; 22. first supporting rod; 23. mounting groove; 3. containing assembly; 31. liquid storage box; 32. second supporting rod; 33. roller brush; 4. carbon fiber cloth scraping assembly; 41. first connecting rod; 42. first mounting rod; 43. first mounting frame; 44. scraping plate; 5. carbon fiber cloth flattening assembly; 51. second connecting rod; 52. second mounting rod; 53. second mounting frame; 54. flattening rod; 6. moving assembly; 61. moving seat; 62. roller; 63. connecting rod; 7. rotating seat; 8. first limiting spring; 9. second limiting spring; 10. limiting plate; 11. positioning plate; 12. positioning knob; 13. guide rail; 14. construction hanging basket; 15. bridge beam. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-9 A carbon fiber cloth laying device suitable for reinforcing the bottom of a concrete bridge beam comprises: a mobile frame 1 installed in a construction hanging basket 14, a support frame 2 for fixing a carbon fiber cloth roll, and a containing component 3 for containing resin glue, the support frame 2 and the containing component 3 are respectively arranged on both sides of the mobile frame 1, a carbon fiber cloth leveling component 4 and a carbon fiber cloth leveling component 5 are respectively arranged between the support frame 2 and the containing component 3, a mobile component 6 is arranged at the bottom of the carbon fiber cloth leveling component 5 and the carbon fiber cloth leveling component 4, and the mobile component 6 is connected to the side plate of the mobile frame 1.

[0033] The support frame 2 includes a roller 21 and first support rods 22 symmetrically arranged on the side of the mobile frame 1. The tops of the two first support rods 22 are provided with mounting grooves 23. The two ends of the roller 21 are respectively connected to the inner walls of the two mounting grooves 23.

[0034] The containing assembly 3 includes a liquid storage tank 31 and a second support rod 32 symmetrically arranged on the side of the movable frame 1 away from the support frame 2. The two second support rods 32 are respectively connected to the two sides of the liquid storage tank 31. The inner wall of the liquid storage tank 31 is rotatably connected to a roller brush 33. The liquid storage tank 31 contains the resin glue for sticking the carbon fiber cloth. The roller brush 33 rotates as the device moves forward to bring out the resin glue in the liquid storage tank 31 and smear it on the surface of the concrete beam and the carbon fiber cloth.

[0035] The carbon fiber cloth scraping assembly 4 includes a first connecting rod 41, a first mounting rod 42 is arranged on the top of the first connecting rod 41, the first mounting rod 42 is arranged vertically to the first connecting rod 41, a first mounting frame 43 is arranged on the top of the first mounting rod 42, and a scraping plate 44 is arranged on the top of the first mounting frame 43. The scraping plate 44 mainly functions to promote the combination of the carbon fiber cloth and the resin glue when the carbon fiber cloth is spread, so that the carbon fiber cloth is close to the bottom of the concrete beam, and squeezes the carbon fiber cloth to squeeze out bubbles to prevent bulges from occurring at the corresponding position after the resin glue is solidified.

[0036] There are two carbon fiber cloth flattening components 5, and the two carbon fiber cloth flattening components 4 are both located on one side of the carbon fiber cloth flattening component 4. The carbon fiber cloth flattening component 5 includes a second connecting rod 51, a second mounting rod 52 is arranged on the top of the second connecting rod 51, the second mounting rod 52 is arranged vertically to the second connecting rod 51, a second mounting frame 53 is arranged on the top of the second mounting rod 52, and a flattening rod 54 is arranged on the top of the second mounting frame 53. The flattening rod 54 mainly functions to make the carbon fiber cloth flat on the bottom of the concrete beam.

[0037] The tops of the first mounting rod 42 and the second mounting rod 52 are both provided with a rotating seat 7, the first mounting frame 43 is rotatably connected to the first mounting rod 42 via the rotating seat 7, and the second mounting frame 53 is rotatably connected to the second mounting rod 52 via the rotating seat 7;

[0038] A first limiting spring 8 is symmetrically arranged at the bottom of the scraping plate 44, and the bottom end of the first limiting spring 8 is connected to the top of the first mounting rod 42. A second limiting spring 9 is symmetrically arranged at the bottom of the leveling rod 54, and the bottom end of the second limiting spring 9 is connected to the top of the second mounting rod 52. Limiting plates 10 are arranged on both sides of the first mounting rod 42 and the second mounting rod 52, and the limiting plates 10 limit the first mounting frame 43 and the second mounting frame 53.

[0039] The moving assembly 6 includes a moving seat 61, and a plurality of rollers 62 are installed on the inner wall of the moving seat 61, and the rollers 62 are connected to the surface of the side plate of the moving frame 1. The bottoms of the first connecting rod 41 and the second connecting rod 51 are both provided with connecting rods 63, and the ends of the connecting rods 63 are connected to the top of the moving seat 61. The moving seat 61 moves on the surface of the moving frame 1 through the rollers 62 arranged inside, thereby driving the connecting rods 63 to move, thereby adjusting the positions of the carbon fiber cloth scraping assembly 4 and the carbon fiber cloth paving assembly 5.

[0040] In a specific embodiment, a positioning plate 11 is provided on the surface of the movable seat 61, and a positioning knob 12 is threadedly connected to the inner wall of the positioning plate 11, and the bottom end of the positioning knob 12 is connected to the surface of the side plate of the movable frame 1. After adjusting the position, the positioning knob 12 is rotated to press against the surface of the movable frame 1 to fix the position of the movable seat 61.

[0041] A guide rail 13 is provided at the bottom of the inner wall of the construction hanging basket 14 , and the mobile frame 1 is connected to the moving part of the guide rail 13 , and the bottom of the mobile frame is docked with the moving part of the guide rail 13 , so as to facilitate movement on the construction hanging basket 14 .

[0042] First, the construction preparation before pasting the carbon fiber cloth on the bottom of the concrete bridge beam:

[0043] Preparation of construction hanging basket: assemble the structure of the construction hanging basket and paving equipment on a leveled site;

[0044] Preparation of carbon fiber cloth: carbon fiber cloth materials are brought in and placed in a dry and cool material storage area. Preparation of building structure adhesive: materials are brought in and placed in a dry and cool material storage area.

[0045] Preparation of carbon fiber cloth laying equipment: Place the paving equipment on the site for assembly. After the surface treatment of the bottom bonding surface of the beam is completed, use a winch or hand hoist to set it up on the hanging basket.

[0046] Second, install the construction hanging basket 14 and the carbon fiber cloth pasting device:

[0047] A temporary hoisting winch platform and winch are set up on the upper part of the bridge; the winch is used to hoist the hanging basket to the designed position, and the height between the top surface of the hanging basket and the bottom of the beam is considered to be 65cm clear; the rigid slings and flexible slings supporting the hanging basket are installed, and the hanging basket is connected to the rigid slings and flexible slings; after all components are installed, the temporary hoisting winch platform and winch are removed.

[0048] Third, the surface treatment of the bridge beam 15:

[0049] Remove deteriorated concrete such as peeling, looseness, honeycomb, corrosion, etc. on the surface of the beam within the pasting range to expose the fresh layer of concrete; repair the surface with epoxy structural adhesive to make it smooth, and carry out maintenance work in time; grind the surface of the pasted concrete to make it smooth, remove surface slurry, oil stains and other impurities, until the new layer of the structure is completely exposed, and keep it dry.

[0050] Fourth, apply resin glue:

[0051] The carbon fiber cloth is cut and numbered according to the design requirements and the actual size of the site, installed on the paving equipment, and the lines are laid out. The main agent and the curing agent are placed in the container in turn, and mixed evenly with a stirrer. The amount is determined according to the actual temperature on site, and the use time is strictly controlled; the adhesive is added to the liquid storage tank 31, and the paving device is moved so that the roller brush 33 evenly applies the glue to the surface of the concrete component of the bridge beam 15. After the glue is cured, the curing time is generally not less than 2 hours, and then the next process is carried out.

[0052] Fourth, paste the carbon fiber cloth:

[0053] Paste one corner of the carbon fiber cloth at the starting point, and then move the carbon fiber cloth spreading equipment to spread and paste the carbon fiber cloth; during the pasting process, the scraper plate 44 and the leveling rod 54 make the carbon fiber cloth steadily pasted in the required direction and flattened on the bottom of the concrete beam, and the carbon fiber cloth roller brush rolls on the surface of the carbon fiber cloth in the same direction after the front end of the carbon fiber cloth is pasted until the rubber seeps out of the outer surface of the carbon fiber cloth, so that the carbon fiber cloth is fully soaked with the rubber.

[0054] Fifth, surface protection: apply sealant and carry out overall maintenance.

[0055] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carbon fiber cloth laying device suitable for reinforcing the bottom of a concrete bridge beam, characterized in that: include: A mobile frame (1) installed in a construction hanging basket (14), a support frame (2) for fixing a carbon fiber cloth roll, and a containing assembly (3) for containing resin glue, wherein the support frame (2) and the containing assembly (3) are respectively arranged on both sides of the mobile frame (1), a carbon fiber cloth scraping assembly (4) and a carbon fiber cloth laying assembly (5) are respectively arranged between the support frame (2) and the containing assembly (3), a mobile assembly (6) is arranged at the bottom of each of the carbon fiber cloth laying assembly (5) and the carbon fiber cloth scraping assembly (4), and the mobile assembly (6) is connected to the side plate of the mobile frame (1).

2. A carbon fiber cloth laying device suitable for reinforcing the bottom of a concrete bridge beam according to claim 1, characterized in that: The support frame (2) comprises a roller (21) and first support rods (22) symmetrically arranged on the side of the mobile frame (1), the tops of the two first support rods (22) are provided with mounting grooves (23), and the two ends of the roller (21) are respectively connected to the inner walls of the two mounting grooves (23).

3. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 1, characterized in that: The containing assembly (3) comprises a liquid collection box (31) and second support rods (32) symmetrically arranged on a side of the movable frame (1) away from the support frame (2), the two second support rods (32) are respectively connected to two sides of the liquid collection box (31), and the inner wall of the liquid collection box (31) is rotatably connected to a roller brush (33).

4. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 1, characterized in that: The carbon fiber cloth scraping assembly comprises a first connecting rod (41), a first mounting rod (42) is arranged on the top of the first connecting rod (41), the first mounting rod (42) is arranged perpendicular to the first connecting rod (41), a first mounting frame (43) is arranged on the top of the first mounting rod (42), and a scraping plate (44) is arranged on the top of the first mounting frame (43).

5. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 4, characterized in that: The number of the carbon fiber cloth flattening components (5) is two, and the two carbon fiber cloth flattening components (4) are both located on one side of the carbon fiber cloth flattening component; The carbon fiber cloth flattening assembly (5) comprises a second connecting rod (51), a second mounting rod (52) is arranged on the top of the second connecting rod (51), the second mounting rod (52) is arranged perpendicular to the second connecting rod (51), a second mounting frame (53) is arranged on the top of the second mounting rod (52), and a flattening rod (54) is arranged on the top of the second mounting frame (53).

6. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 5, characterized in that: A rotating seat (7) is provided at the top of each of the first mounting rod (42) and the second mounting rod (52); the first mounting frame (43) is rotatably connected to the first mounting rod (42) via the rotating seat (7); and the second mounting frame (53) is rotatably connected to the second mounting rod (52) via the rotating seat (7); A first limit spring (8) is symmetrically arranged at the bottom of the scraping plate (44), and the bottom end of the first limit spring (8) is connected to the top of the first mounting rod (42); a second limit spring (9) is symmetrically arranged at the bottom of the leveling rod (54), and the bottom end of the second limit spring (9) is connected to the top of the second mounting rod (52).

7. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 6, characterized in that: Limiting plates (10) are provided on both sides of the first mounting rod (42) and the second mounting rod (52).

8. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 5, characterized in that: The moving assembly (6) comprises a moving seat (61), a plurality of rollers (62) are mounted on the inner wall of the moving seat (61), and the rollers (62) are connected to the surface of the side plate of the moving frame (1); A connecting rod (63) is provided at the bottom of each of the first connecting rod (41) and the second connecting rod (51), and the end of the connecting rod (63) is connected to the top of the moving seat (61).

9. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 8, characterized in that: The surface of the movable seat (61) is provided with a positioning plate (11), the inner wall of the positioning plate (11) is threadedly connected with a positioning knob (12), and the bottom end of the positioning knob (12) is connected to the surface of the side plate of the movable frame (1).

10. The carbon fiber cloth laying device for reinforcing the bottom of a concrete bridge beam according to claim 1, characterized in that: A guide track (13) is provided at the bottom of the inner wall of the construction hanging basket (14), and the movable frame (1) is connected to a movable part of the guide track (13).

Images