Reinforcing structure for rust expansion damage of concrete cantilever beam

Abstract

The utility model discloses a concrete cantilever beam rust expansion damage reinforcing structure, and relates to the technical field of building reinforcement, the concrete cantilever beam rust expansion damage reinforcing structure comprises a stand column and a cantilever beam, the cantilever beam is fixedly arranged on one side of the upper end of the stand column, a supporting arm is arranged on the inner side of the joint of the stand column and the cantilever beam, and first U-shaped plates are arranged on the two sides of the supporting arm in an abutting mode. The two first U-shaped plates abut against one side of the corresponding stand column and one side of the cantilever beam, wedge-shaped blocks are fixedly arranged on the front side of the upper end and the rear side of the lower end of the supporting arm correspondingly, and wedge-shaped grooves are formed in the front side of the lower end of the first U-shaped plate on the upper side and the rear side of one end of the first U-shaped plate at the lower end correspondingly. The two wedge-shaped blocks are connected with the corresponding wedge-shaped grooves in a clamped mode respectively. Inserting holes are formed in the two ends of the first U-shaped plate, and second U-shaped plates are inserted into the upper sides of the inserting holes in the two sides. The cantilever beam damage caused by rust expansion can be stably supported and reinforced, operation is convenient and fast, and working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building reinforcement, in particular to a reinforcement structure for concrete cantilever beams damaged by rust and expansion. Background Art

[0002] As buildings age, changes to their functional use, such as installing elevators, will also increase structural loads, causing the structural bearing capacity to fail to meet requirements and easily causing rust and expansion damage to concrete cantilever beams.

[0003] Announcement No. CN218623466U discloses a reinforced concrete cantilever beam reinforcement structure, comprising a column body, a cantilever beam body and a hoop body, wherein the column body is vertically arranged, and the cantilever beam body is horizontally arranged on the top outer side of the column body; the hoop body is fixedly installed on the periphery of the column body and the cantilever beam body. There are still defects in this technical solution:

[0004] In this technical solution, since the clamp body and the reinforcement wall are connected by a large number of bolts, the operation is cumbersome and takes a lot of time. In addition, since the size of the clamp body is fixed, it is not convenient to reinforce cantilever beams of different diameters, and there are limitations in its use. Utility Model Content

[0005] In view of the problems existing in the reinforcement structure of the existing reinforced concrete cantilever beam, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a reinforcement structure for a reinforced concrete cantilever beam, which solves the problem that the reinforcement structure of the reinforced concrete cantilever beam in the prior art is complicated to operate and takes a lot of time because the clamp body and the reinforcement wall are connected by a large number of bolts, and because the size of the clamp body is fixed, it is inconvenient to reinforce cantilever beams of different diameters, and there are limitations in use.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A reinforcement structure for rust expansion damage of a concrete cantilever beam, comprising a column and a cantilever beam, wherein the cantilever beam is fixedly arranged on one side of the upper end of the column, a support arm is arranged on the inner side of the connection between the column and the cantilever beam, first U-shaped plates are arranged on both sides of the support arm against each other, two first U-shaped plates are in contact with one side of the corresponding column and cantilever beam, a wedge block is fixedly arranged on the upper front side and the lower rear side of the support arm, a wedge groove is provided on the lower front side of the upper first U-shaped plate and the rear side of one end of the lower first U-shaped plate, and the two wedge blocks are respectively engaged with the corresponding wedge grooves;

[0009] Both ends of the first U-shaped plate are provided with insertion holes, and the upper sides of the insertion holes on both sides are plugged with second U-shaped plates, and the side walls of the first U-shaped plate are provided with U-shaped limit plates against each other, and a plurality of limit rods are fixedly provided on one side of both ends of the U-shaped limit plates, and the side walls of both ends of the second U-shaped plate are provided with a plurality of limit holes, and one end of the plurality of limit rods extends to the inner side of the insertion holes and is plugged with the corresponding limit holes;

[0010] A groove is provided on one side of the support arm, and first limiting mechanisms for limiting the movement of the U-shaped limiting plate are provided on both sides of the interior of the groove.

[0011] Preferably, the first limiting mechanism includes a rotating bar and a pressure plate, rotating rods are rotatably arranged on both sides of the interior of the groove, the rotating bar is fixedly sleeved on the rod wall of the rotating rod, the pressure plate is fixedly arranged at one end of the rotating bar away from the rotating rod, the other end of the rotating bar is in conflict with the side of the U-shaped limiting plate away from the corresponding first U-shaped plate, and a second limiting mechanism for limiting the rotation of the two rotating rods is arranged in the middle of the groove.

[0012] Preferably, the second limiting mechanism includes a worm wheel and a worm, two side plates are fixedly provided on the inner wall of the middle end of the groove, a transmission rod is rotatably provided between the two side plates, the rod walls of the two rotating rods are fixedly sleeved with a first bevel gear, both ends of the transmission rod are fixedly sleeved with a second bevel gear, the two first bevel gears are meshingly connected with the corresponding second bevel gears, a worm wheel is fixedly sleeved on the middle end of the transmission rod, a worm is meshingly provided on the front side of the worm wheel, and one end of the worm is rotatably connected to the inner wall of the groove.

[0013] Preferably, one end of the worm extends to the outside of the groove and is fixedly sleeved with a rotating wheel.

[0014] Preferably, the side wall of the rotating wheel is provided with anti-slip texture.

[0015] Preferably, rubber pads are provided on the adjacent sides of the first U-shaped plate and the second U-shaped plate.

[0016] Preferably, the surfaces of the first U-shaped plate, the second U-shaped plate and the support arm are all coated with anti-rust paint.

[0017] Preferably, the wedge blocks on both sides are integrally formed with the support arms.

[0018] Preferably, the cross-sections of the pressure plates on both sides are U-shaped.

[0019] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0020] The utility model discloses that the wedge blocks on both sides of the support arm are respectively inserted into the wedge grooves of the two first U-shaped plate side walls, and then the two first U-shaped plates are respectively sleeved on the outer walls of the column and the cantilever beam, so that the support arm and the two first U-shaped plates cannot be separated, and then the two second U-shaped plates are inserted into the corresponding inner sides of the first U-shaped plates, and then the multiple limiting rods are inserted into the corresponding limiting holes, so that the connection and limiting of the first U-shaped plate and the second U-shaped plate are completed, and the installation of the reinforcement structure is completed, and then the worm gear is rotated, and the worm gear drives the worm gear to rotate, so that the transmission rod is rotated, and the two ends of the transmission rod are driven by the first bevel gear and the second bevel gear to drive the rotating rods on both sides to rotate, so that the pressure plates on both sides rotate to press the U-shaped limiting plates on both sides, so that the stability of the reinforcement structure can be maintained, and the entire installation process is convenient to operate, saves time and effort, and because the spacing between the first U-shaped plate and the second U-shaped plate is adjustable, it can be achieved to support cantilever beams of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural schematic diagram of the reinforcement structure of the concrete cantilever beam damaged by rust and expansion proposed by the utility model;

[0022] Figure 2 for Figure 1 A rear view structural diagram of ;

[0023] Figure 3 for Figure 1 A schematic diagram of the structure of the local A part;

[0024] Figure 4 for Figure 1 A three-dimensional diagram of the connection structure of the first U-shaped plate and the second U-shaped plate.

[0025] Explanation of the accompanying drawings: 1. column; 2. cantilever beam; 3. first U-shaped plate; 4. wedge block; 5. second U-shaped plate; 6. U-shaped limit plate; 7. limit rod; 8. rotating rod; 9. rotating bar; 10. first bevel gear; 11. support arm; 12. side plate; 13. second bevel gear; 14. worm gear; 15. worm; 16. pressure plate; 17. transmission rod. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] Embodiment 1

[0028] Reference Figure 1-4, a reinforcement structure for rust expansion damage of a concrete cantilever beam, comprising a column 1 and a cantilever beam 2, wherein the cantilever beam 2 is fixedly arranged on one side of the upper end of the column 1, a support arm 11 is arranged on the inner side of the connection between the column 1 and the cantilever beam 2, first U-shaped plates 3 are arranged on both sides of the support arm 11, and the two first U-shaped plates 3 are in conflict with one side of the corresponding column 1 and the cantilever beam 2, a wedge block 4 is fixedly arranged on the upper front side and the lower rear side of the support arm 11, a wedge groove is provided on the lower front side of the upper first U-shaped plate 3 and the rear side of one end of the lower first U-shaped plate 3, and two wedge blocks 4 are respectively clamped with the corresponding wedge grooves, and the wedge blocks 4 on both sides are integrally formed and processed with the support arm 11 to improve the stability of the connection between the wedge block 4 and the support arm 11;

[0029] Both ends of the first U-shaped plate 3 are provided with insertion holes, and the second U-shaped plate 5 is plugged into the upper sides of the insertion holes on both sides. The side walls of the first U-shaped plate 3 are abutted against each other with U-shaped limiting plates 6, and a plurality of limiting rods 7 are fixedly provided on one side of both ends of the U-shaped limiting plate 6. The side walls of both ends of the second U-shaped plate 5 are provided with a plurality of limiting holes, and one end of the plurality of limiting rods 7 extends to the inner side of the insertion holes and is plugged into the corresponding limiting holes; a groove is provided on one side of the support arm 11.

[0030] Embodiment 2

[0031] Reference Figure 1-4 The first limiting mechanism for limiting the movement of the U-shaped limiting plate 6 is provided on both sides of the interior of the groove, and the first limiting mechanism includes a rotating bar 9 and a pressing plate 16. A rotating rod 8 is rotatably provided on both sides of the interior of the groove, and the rotating bar 9 is fixedly sleeved on the rod wall of the rotating rod 8. The pressing plate 16 is fixedly provided at one end of the rotating bar 9 away from the rotating rod 8, and the other end of the rotating bar 9 is in conflict with the side of the U-shaped limiting plate 6 away from the corresponding first U-shaped plate 3. The cross-sections of the pressing plates 16 on both sides are U-shaped, so that the pressing plate 16 can stably press and limit the U-shaped limiting plate 6.

[0032] Embodiment 3

[0033] Reference Figure 1-4 A second limiting mechanism for limiting the rotation of the two rotating rods 8 is provided in the middle part of the groove, and the second limiting mechanism includes a worm wheel 14 and a worm 15. Two side plates 12 are fixedly provided on the inner wall of the middle end of the groove, and a transmission rod 17 is rotatably provided between the two side plates 12. The rod walls of the two rotating rods 8 are fixedly sleeved with a first bevel gear 10, and both ends of the transmission rod 17 are fixedly sleeved with a second bevel gear 13. The two first bevel gears 10 are meshingly connected with the corresponding second bevel gear 13. The middle end of the transmission rod 17 is fixedly sleeved with a worm wheel 14, and the front side of the worm wheel 14 is meshingly provided with a worm 15. One end of the worm 15 is rotatably connected to the inner wall of the groove, and one end of the worm 15 extends to the outside of the groove and is fixedly sleeved with a rotating wheel to facilitate the rotation of the worm 15. The side wall of the rotating wheel is provided with anti-slip texture to increase the friction between the hand and the rotating wheel to prevent slipping during rotation as much as possible.

[0034] Embodiment 4

[0035] Reference Figure 1-4 The first U-shaped plate 3 and the second U-shaped plate 5 are both provided with rubber pads on their close sides, which can improve the stability of the connection between the first U-shaped plate 3 and the second U-shaped plate 5 and the corresponding columns 1 and cantilever beams 2. The surfaces of the first U-shaped plate 3, the second U-shaped plate 5 and the support arm 11 are coated with anti-rust paint to improve the anti-rust performance of the first U-shaped plate 3, the second U-shaped plate 5 and the support arm 11.

[0036] When in use, the wedge blocks 4 on both sides of the support arm 11 are respectively inserted into the wedge grooves of the side walls of the two first U-shaped plates 3, and then the two first U-shaped plates 3 are respectively sleeved on the outer walls of the column 1 and the cantilever beam 2, so that the support arm 11 and the two first U-shaped plates 3 cannot be separated, and then the two second U-shaped plates 5 are inserted into the corresponding inner sides of the first U-shaped plates 3, and then the multiple limiting rods 7 are inserted into the corresponding limiting holes, so that the connection and limiting of the first U-shaped plate 3 and the second U-shaped plate 5 are completed, and the installation of the reinforcement structure is completed, and then the worm gear 15 is rotated, and the worm gear 15 drives the worm gear 14 to rotate, so that the transmission rod 17 is rotated, and the two ends of the transmission rod 17 are driven by the first bevel gear 10 and the second bevel gear 13 to drive the rotating rods 8 on both sides to rotate, so that the pressure plates 16 on both sides rotate to press the U-shaped limiting plates 6 on both sides, so that the stability of the reinforcement structure can be maintained, and the entire installation process is convenient to operate, saves time and effort, and because the spacing between the first U-shaped plate 3 and the second U-shaped plate 5 is adjustable, it can be achieved to support cantilever beams 1 of different sizes.

Claims

1. A reinforced structure for a concrete cantilever beam damaged by rust and expansion, comprising a column (1) and a cantilever beam (2), characterized in that: The cantilever beam (2) is fixedly arranged on one side of the upper end of the column (1); a support arm (11) is arranged on the inner side of the connection between the column (1) and the cantilever beam (2); first U-shaped plates (3) are arranged on both sides of the support arm (11) to abut against each other; the two first U-shaped plates (3) abut against one side of the corresponding column (1) and the cantilever beam (2); wedge blocks (4) are fixedly arranged on the upper front side and the lower rear side of the support arm (11); the lower front side of the upper first U-shaped plate (3) and the rear side of one end of the lower first U-shaped plate (3) are provided with wedge grooves; the two wedge blocks (4) are respectively engaged with the corresponding wedge grooves; Both ends of the first U-shaped plate (3) are provided with insertion holes, and the upper sides of the insertion holes on both sides are plugged with second U-shaped plates (5), and the side walls of the first U-shaped plate (3) are provided with U-shaped limiting plates (6) against each other, and a plurality of limiting rods (7) are fixedly provided on one side of both ends of the U-shaped limiting plates (6), and the side walls of both ends of the second U-shaped plate (5) are provided with a plurality of limiting holes, and one end of each of the plurality of limiting rods (7) extends to the inner side of the insertion holes and is plugged into the corresponding limiting holes; A groove is provided on one side of the support arm (11), and first limiting mechanisms for limiting the movement of the U-shaped limiting plate (6) are provided on both sides of the interior of the groove.

2. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 1 is characterized in that: The first limiting mechanism comprises a rotating bar (9) and a pressure plate (16); rotating rods (8) are rotatably arranged on both sides of the interior of the groove; the rotating bar (9) is fixedly sleeved on the rod wall of the rotating rod (8); the pressure plate (16) is fixedly arranged on one end of the rotating bar (9) away from the rotating rod (8); the other end of the rotating bar (9) is in contact with a side of the U-shaped limiting plate (6) away from the corresponding first U-shaped plate (3); and a second limiting mechanism for limiting the rotation of the two rotating rods (8) is arranged in the middle of the groove.

3. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 2 is characterized in that: The second limiting mechanism comprises a worm wheel (14) and a worm (15); two side plates (12) are fixedly arranged on the inner wall of the middle end of the groove; a transmission rod (17) is rotatably arranged between the two side plates (12); the rod walls of the two rotating rods (8) are fixedly sleeved with first bevel gears (10); both ends of the transmission rod (17) are fixedly sleeved with second bevel gears (13); the two first bevel gears (10) are meshingly connected with the corresponding second bevel gears (13); the middle end of the transmission rod (17) is fixedly sleeved with a worm wheel (14); the front side of the worm wheel (14) is meshingly arranged with a worm (15); one end of the worm (15) is rotatably connected to the inner wall of the groove.

4. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 3 is characterized in that: One end of the worm (15) extends to the outside of the groove and is fixedly sleeved with a rotating wheel.

5. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 4 is characterized in that: The side wall of the rotating wheel is provided with anti-skid patterns.

6. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 1, characterized in that: Rubber pads are provided on the adjacent sides of the first U-shaped plate (3) and the second U-shaped plate (5).

7. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 1, characterized in that: The surfaces of the first U-shaped plate (3), the second U-shaped plate (5) and the support arm (11) are all coated with anti-rust paint.

8. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 1, characterized in that: The wedge-shaped blocks (4) on both sides are integrally formed with the support arms (11).

9. The reinforcement structure for rust expansion damage of concrete cantilever beams according to claim 2, characterized in that: The cross sections of the pressing plates (16) on both sides are U-shaped.

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