Modularized column-clad steel reinforcing system and reinforcing method thereof

Abstract

The invention discloses a modularized column steel-clad reinforcing system and a reinforcing method thereof, and aims to solve the problem that the working efficiency is low when an existing steel-clad reinforcing structure is mounted. The concrete column structure comprises modular angle steel plate structures and semi-automatic fastening equipment, and the four angle steel structures are connected and fixed to the plane of a concrete column around the four corners of the concrete column structure and matched with the semi-automatic fastening equipment to conduct simultaneous tensioning and reinforcing on the different planes of the concrete column structure; the prefabricated module is adopted, the nut block can be clamped and fixed, the nut structure is screwed through semi-automatic fastening equipment, the angle steel structure is controlled, the three-dimensional column structure is better controlled and fixed, the three-dimensional column structure can be attached to the surface of a concrete column more tightly and more evenly, and therefore the overall stability and bearing capacity of the structure are more effectively improved; and a modular mounting mode is adopted, so that the construction steps are greatly simplified, the construction difficulty is reduced, and constructors can finish the reinforcement operation more quickly, thereby shortening the construction period and improving the construction efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of building structure reinforcement, and particularly relates to a modular steel-jacketed column reinforcement system and a reinforcement method thereof. Background Art

[0002] The steel-jacketed reinforcement method has been widely applied in the structural reinforcement and renovation projects. As early as 1970, the Soviet Union had already begun to attempt to apply the external steel-jacketed reinforcement method to the reinforcement of the main plant building frame of a power plant. Since then, this technology has gradually been popularized in various building structure reinforcement projects. In modern architecture, steel-jacketed reinforcement has become an important reinforcement means and is widely used in the reinforcement of structures such as concrete beams, slabs, columns, and walls.

[0003] The basic principle of steel-jacketed reinforcement is to add a layer of profiled steel or steel plate outside the concrete structure and utilize the high strength and high stiffness characteristics of the profiled steel or steel plate to enhance the load-bearing capacity of the original concrete structure. At the same time, the wrapping of the profiled steel or steel plate can also confine the concrete, improve its mechanical properties, and enhance the overall stability and ductility of the structure.

[0004] Traditional steel-jacketed reinforcement schemes adopt the methods of injecting glue or welding. First, in the glue-injected steel-jacketed reinforcement, the phenomenon of air pockets is very likely to occur. The air pocket phenomenon will affect the uniform distribution and bonding effect of the glue, and further affect the reinforcement effect. Second, in the welded steel-jacketed reinforcement, welding is directly carried out on the surface of the column by a welding torch. This requires that when installing the reinforcement steel plate, the staff must first manually fix the steel plate and then carry out welding operations one by one. This method not only increases the labor intensity of the staff, but also inevitably reduces the reinforcement work efficiency, causes noise pollution and flying dust pollution to the environment, and the welded reinforcement cannot provide pre-tightening force. At the same time, relatively more steel is also required, resulting in higher reinforcement repair and maintenance costs. Moreover, the construction process of the welded steel-jacketed reinforcement is relatively complex, welding equipment is needed, and the requirements for construction technology are relatively high, which increases the construction difficulty and cost.

[0005] Therefore, there is an urgent need to propose a modular steel-jacketed column reinforcement system and a reinforcement method thereof designed specifically for concrete columns to overcome the above deficiencies. Summary of the Invention

[0006] Therefore, the present application provides a modular steel-jacketed column reinforcement system and a reinforcement method thereof to solve the problems of low work efficiency and poor reinforcement effect existing in the installation of the existing steel-jacketed reinforcement structure.

[0007] To achieve the above object, the present application provides the following technical solutions:

[0008] In a first aspect, a modular steel-jacketed column reinforcement system includes: a modular angle steel and steel plate structure and a semi-automatic fastening device;

[0009] The angle steel plate structure is in an "L" shape. Four such angle steel plate structures surround the outer surface of the concrete column structure. At both ends of the angle steel plate structure, a plurality of first fixing nut blocks and a plurality of second fixing nut blocks are arranged at intervals longitudinally. And between the first fixing nut blocks and the second fixing nut blocks of adjacent two angle steel plate structures, they are connected by a first bolt, and a first nut adapted to the first bolt is provided. One end of the first bolt is provided with a bolt limiting block;

[0010] The semi-automatic fastening device is used to tighten and fix the first bolt and the first nut. It includes a main body structure, a clamping component, a screwing-in component and a control component. The main body structure is divided into a fixed part on the left side and an opening and closing part on the right side. The opening and closing part is an up-and-down opening and closing structure, and a card slot is arranged in the middle of the opening and closing part. The left side of the card slot is used to place the bolt limiting block, the middle of the card slot is used to place the first fixing nut block and the second fixing nut block, and the right side of the card slot is used to pass through the first bolt; at one end of the opening and closing part away from the fixed part, there is a buckle for fastening the opening and closing part. The clamping component is arranged in the middle of the card slot, and the clamping component is used to clamp the first fixing nut block and the second fixing nut block; the screwing-in component is located outside the first nut, and the control component is used to control the work of the clamping component and the screwing-in component.

[0011] Optionally, the control component includes a controller and a control panel. The control panel includes a display area and an operation area. The control panel is in bidirectional communication connection with the controller.

[0012] Optionally, there are two groups of the clamping components, and they are respectively fixedly arranged at the upper part and the lower part in the middle of the card slot. It includes a cross rail and a clamping block. The cross rail is arranged inside the opening and closing part and corresponds to the middle of the card slot. The clamping block is arranged on the right side of the cross rail and is driven by a motor to slide along the cross rail inside the card slot.

[0013] Optionally, a pressure sensor is embedded on the inner side surface of the clamping block to detect the pressure between the clamping block and the first fixing nut block and the second fixing nut block; the pressure sensor is connected to the controller through a first transmission line.

[0014] Optionally, the screwing-in component includes a driving motor and a threaded cylinder. The driving motor is connected to the controller through a second transmission line;

[0015] Two of the threaded cylinders are respectively located at the upper part and the lower part of the first nut. The external spiral thread patterns of the two threaded cylinders match the patterns on the outside of the first nut, and the threaded cylinder is driven by the driving motor.

[0016] Optionally, a torque sensor is provided on the threaded cylinder, and an output end of the torque sensor is connected to an input end of the controller.

[0017] Optionally, the first bolt and the bolt limiting block are integrally formed.

[0018] Optionally, the angle steel plate structure, the first fixed nut block, and the second fixed nut block are integrally formed.

[0019] Optionally, the bolt limiting block is of a hexagonal structure, and two opposite faces of the bolt limiting block correspond to the upper and lower surfaces of the card slot.

[0020] In a second aspect, a modular column steel jacket reinforcement method uses the above-mentioned modular column steel jacket reinforcement system, and includes the following steps:

[0021] Step 1: Surround the outer surface of the concrete column structure with four angle steel plate structures, and respectively pass four first bolts through the first fixed nut blocks and the second fixed nut blocks of the adjacent two sides of the angle steel plate structures, and then screw four first nuts into the four first bolts for simple fastening.

[0022] Step 2: Connect four semi-automatic fastening structures to the four sides of the column structure correspondingly, and apply pressure simultaneously to tighten the first bolt and the first nut, thereby realizing the reinforcement of the column structure. The usage process of one semi-automatic fastening structure is as follows:

[0023] 1) First, open the buckle on the right side of the semi-automatic fastening device to open the opening and closing part, adjust the positions of the bolt limiting block and the two fixed nut blocks in the internal card slot, position the bolt limiting block at the left side of the card slot, and the first fixed nut block and the second fixed nut block of the adjacent angle steel plate structures respectively correspond to the middle of the card slot; at the same time, rotate the screwing component to the outside of the first nut through the control component; after the internal structure of the semi-automatic fastening device is connected and corresponding to the angle steel plate structure one by one, fasten the opening and closing part on the right side of the semi-automatic fastening device with a buckle.

[0024] 2) Transmit a signal to the clamping component through the control component to apply pressure and fix the first fixed nut block and the second fixed nut block.

[0025] 3) Transmit a signal to the screwing component through the control component to drive the first nut to move along the direction of the first fixed nut block and the second fixed nut block and tighten the first bolt.

[0026] 4) When the first bolt and the first nut are in a completely tightened state, adjust the clamping force between the first fixed nut block and the second fixed nut block through the control component, loosen the first fixed nut block and the second fixed nut block, and at the same time turn and loosen the buckle on the right side, and take out the semi-automatic fastening device. Thus, the column steel jacket reinforcement is completed.

[0027] Compared with the prior art, the present application has at least the following beneficial effects:

[0028] 1. Based on further analysis and research of the problems of the prior art, the present application provides a modular steel-plated concrete column reinforcement system and its reinforcement method, including a modular angle steel and steel plate structure and semi-automatic fastening equipment. Four angle steel structures are connected and fixed at the four corners of the concrete column structure on the plane of the concrete column, and are paired with semi-automatic fastening equipment to perform simultaneous tension reinforcement at different planes of the concrete column structure. During installation, first screw the first nut onto the first bolt for simple fastening, and at the same time connect the semi-automatic fastening equipment to tension and fix the bolt and nut structure. The present application has the advantages of simple structure, convenient installation, high construction efficiency and good reinforcement effect. Through prefabricated modules, it is possible to clamp and fix the nut block while using semi-automatic fastening equipment to tighten the nut structure, and the angle steel structure can better control and fix the three-dimensional column structure, so that it can fit more closely and evenly on the surface of the concrete column, thereby more effectively improving the overall stability and bearing capacity of the structure. At the same time, compared with the traditional welding process, the present application adopts a modular installation method, which greatly simplifies the construction steps and reduces the construction difficulty. Due to the convenience of modular design, construction workers can complete the reinforcement work faster, thus shortening the construction period and improving the construction efficiency. The installation process is simple, with low technical requirements for construction workers, reducing the dependence on professional welders and lowering the labor cost. The overall system adopts semi-automatic fastening equipment, which greatly meets the urgent needs of modern building reinforcement and renovation, can more effectively improve the stability and bearing capacity of the building structure, while reducing the construction cost and safety risks. By adjusting the positions of the two nut blocks and the bolt limit block in the internal card slot of the semi-automatic fastening equipment, it can be flexibly applied to the reinforcement of column structures with different diameters and sizes;

[0029] 2. The inner side of the clamping block of the present application is embedded with a pressure sensor, and a torque sensor is arranged on the threaded cylinder. The pressure sensor monitors the clamping force between the two nut blocks, and the torque sensor monitors the fastening state of the first nut, so as to ensure that there is always sufficient clamping force between the clamping block and the clamped object, and at the same time ensure the fastening state between the bolt and the nut, improving the stability and safety of the whole structure. The controller can adjust the clamping force and fastening force in real time and accurately according to the feedback signals of the pressure sensor and the torque sensor, avoiding over-clamping or insufficient fastening, extending the service life of the equipment, and further improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] To more intuitively illustrate the prior art and the present application, exemplary drawings are given below. It should be understood that the specific shapes and structures shown in the drawings generally should not be regarded as limiting conditions when implementing the present application; for example, those skilled in the art are capable of making routine adjustments or further optimizations to the addition / deletion / attribution division of certain units (components), specific shapes, positional relationships, connection methods, dimensional proportional relationships, etc. based on the technical concept disclosed in the present application and the exemplary drawings.

[0031] Figure 1 Schematic diagram of the overall structure of a modular steel-plated column reinforcement system proposed by the present invention;

[0032] Figure 2 Three-dimensional view of an angle steel plate structure proposed by the present invention;

[0033] Figure 3 Schematic diagram of adjacent angle steel plate structures proposed by the present invention;

[0034] Figure 4 Planar schematic diagram of adjacent angle steel plate structures proposed by the present invention;

[0035] Figure 5 Three-dimensional schematic diagram of the structure of a semi-automatic fastening device proposed by the present invention;

[0036] Figure 6 Elevation view of the structure of a semi-automatic fastening device proposed by the present invention;

[0037] Figure 7 Schematic diagram of the clamping assembly of a semi-automatic fastening device proposed by the present invention;

[0038] Figure 8 Schematic diagram of the screwing assembly of a semi-automatic fastening device proposed by the present invention.

[0039] Explanation of reference numerals:

[0040] 1. Angle steel plate structure; 2. First bolt; 21. Bolt limit block; 3. First nut; 4. First fixed nut block; 5. Second fixed nut block;

[0041] 6. Semi-automatic fastening device; 61. Main body structure; 601. Fixed part; 602. Opening and closing part; 62. Control component; 621. Control panel; 622. Transmission line; 623. Controller; 63. Clamping assembly; 631. Horizontal rail; 632. Clamping block; 64. Screw-in assembly; 641. Driving motor; 642. Threaded barrel; 65. Card slot; 66. Buckle; 67. Pressure sensor; 68. Torque sensor; 69. Clamping limit structure;

[0042] 7. Column structure. Detailed implementation manners

[0043] The present application will be further described in detail below with reference to the accompanying drawings and through specific embodiments.

[0044] In the description of the present application: Unless otherwise specified, the meaning of "a plurality" is two or more. Terms such as "first", "second", "third", etc. in the present application are intended to distinguish the objects being referred to, and do not have special significance in terms of technical connotations (for example, they should not be understood as emphasizing importance or order, etc.). Expressions such as "including", "comprising", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

[0045] Terms such as "upper", "lower", "left", "right", "middle", etc. cited in the present application are generally indications of the general relative position relationship for the convenience of intuitively understanding with reference to the accompanying drawings, and are not absolute limitations on the position relationship in the actual product.

[0046] An embodiment of the present application is a modular steel - wrapped concrete column reinforcement system, as Figures 1-8 shown, which includes: a modular angle - steel and steel - plate structure 1 and a semi - automatic fastening device 6, and the semi - automatic fastening device 6 is made of rigid material;

[0047] The cross - section of the modular angle - steel and steel - plate structure 1 is in an L - shaped structure. Four angle - steel structures are connected and fixed at the four corners of the concrete column structure 7 on the plane of the concrete column, and are paired with the semi - automatic fastening device 6 to perform simultaneous tension reinforcement at different planes of the concrete column structure 7. A plurality of first fixed nut blocks 4 and a plurality of second fixed nut blocks 5 are respectively arranged at intervals along the longitudinal direction at both ends of the angle - steel and steel - plate structure 1. The first fixed nut block 4 and the second fixed nut block 5 between adjacent two angle - steel and steel - plate structures 1 are connected by a first bolt 2, and a first nut 3 adapted to the first bolt 2 is provided. One end of the first bolt 2 is provided with a bolt limit block 21;

[0048] See Figure 5 、 Figure 6, the semi - automatic fastening device 6 is used to tighten and fix the first bolt 2 and the first nut 3. The semi - automatic fastening device 6 has a structure with one end fixed and the other end openable and closable, and a closable buckle 66 structure is embedded at the openable end. It includes a main body structure 61, a clamping assembly 63, a screwing - in assembly 64, and a control assembly 62. The main body structure 61 is divided into a fixed part 601 on the left and an openable part 602 on the right. The openable part 602 is a vertically openable and closable structure, where: the upper half of the openable part 602 is hinged to the connection at the upper left end of the fixed part 601, so that the upper half can be opened upward; the lower half of the openable part 602 is hinged to the connection at the lower left end of the fixed part 601, so that the lower half can be opened downward. After closing, it can be clamped through the buckle 66 at the outer end; the upper half and the lower half of the openable part 602 form a card slot 65, and the left side of the card slot 65 is a narrow groove for placing the bolt limit block 21, the middle part of the card slot 65 is a wide groove and is used for placing the first fixed nut block 4 and the second fixed nut block 5, and the right side of the card slot 65 is for the first bolt 2 to pass through.

[0049] One end of the openable part 602 away from the fixed part 601 is provided with a buckle 66 for fastening the openable part 602. The clamping assembly 63 is arranged in the middle of the card slot 65, and the clamping assembly 63 is used for clamping the first fixed nut block 4 and the second fixed nut block 5; the screwing - in assembly 64 is located outside the first nut 3 and drives the first nut 3 to rotate; the control assembly 62 is used to control the operation of the clamping assembly 63 and the screwing - in assembly 64.

[0050] Preferably, the angle steel and steel plate structure 1 and the first fixed nut block 4 and the second fixed nut block 5 arranged at its two ends are an integrated fixed structure; the first bolt 2 and the bolt limit block 21 arranged at its left end are integrally formed.

[0051] Further preferably, the bolt limit block 21 is a hexagonal structure, and the two opposite faces of the bolt limit block 21 correspond to the upper and lower surfaces at the left side (i.e., the narrow groove) of the card slot 65.

[0052] Preferably, the control assembly 62 includes a controller 623, a transmission line 622, and a control panel 621. The control panel 621 includes a display area and an operation area. The control panel 621 is in bidirectional communication connection with the controller 623. Specifically, the output end of the operation area is connected to the input end of the controller 623, and the input end of the display area is connected to the output end of the controller 623; the input ends of the clamping assembly 63 and the screwing - in assembly 64 are connected to the two output ends of the controller 623; the transmission line 622 includes a first transmission line and a second transmission line.

[0053] Further preferably, as Figure 6As shown, there are two sets of clamping components 63, upper and lower, which are respectively fixedly arranged at the upper and lower parts of the middle of the card slot 65 (i.e., the wide groove of the card slot 65). Each set includes a cross rail 631, a clamping block 632 and a motor. The cross rail 631 is arranged inside the opening and closing part 602 and corresponds to the middle of the card slot 65. The clamping block 632 is arranged on the right side of the cross rail 631, and is driven by the motor to make the clamping block 632 slide left and right in the wide groove of the card slot 65 along the cross rail 631.

[0054] For the upper clamping component 63: A clamping limit structure 69 is arranged on the left side of the middle of the card slot 65. The bottom end surface of the clamping limit structure 69 is flush with the left side of the card slot 65 (i.e., the narrow groove, which is used to limit one side of the bolt limit block 21); For the lower clamping component 63: A clamping limit structure 69 is also arranged on the left side of the middle of the card slot 65. The upper end surface of the clamping limit structure 69 is flush with the left side of the card slot 65 (i.e., the narrow groove, which is used to limit one side of the bolt limit block 21); The function of the clamping limit structure 69 is, firstly, to limit the bolt limit block 21, and secondly, to clamp the two fixed nut blocks.

[0055] Further preferably, a pressure sensor 67 is embedded on the inner side surface of the clamping block 632 to detect the pressure between the clamping block 632 and the second fixed nut block 5; The pressure sensor 67 is connected to the controller 623 through the first transmission line.

[0056] Preferably, the screwing-in component 64 includes a driving motor 641 and a threaded barrel 642. The driving motor 641 is connected to the controller 623 through the second transmission line;

[0057] The two threaded barrels 642 are respectively located at the upper and lower parts of the first nut 3. The external spiral thread patterns of the two threaded barrels 642 match the patterns on the outside of the first nut 3, and the threaded barrel 642 is driven by the driving motor 641; The controller 623 controls the driving motor 641 to work, so that the upper and lower threaded barrels 642 rotate, thereby driving the first nut 3 to rotate.

[0058] Further preferably, a torque sensor 68 is arranged on the threaded barrel 642. The output end of the torque sensor 68 is connected to the input end of the controller 623; The screwing-in state of the threaded barrel 642 can be detected through the torque sensor 68. When the detection value of the pressure sensor 67 inside the clamping block 632 decreases or is 0, at this time, the first bolt 2 and the first nut 3 are in a completely tightened state, and the controller 623 controls the clamping block 632 to adjust the clamping force and release the two fixed nut blocks (the first fixed nut block 4 and the second fixed nut block 5).

[0059] This application also provides a modular column steel jacket reinforcement method, which uses the above modular column steel jacket reinforcement system, including the following steps:

[0060] Step 1: Surround the outer surface of the concrete column structure 7 with four angle steel plate structures 1, and respectively pass four first bolts 2 through the first fixing nut blocks 4 and the second fixing nut blocks 5 of the adjacent two sides of the angle steel plate structures 1. Then, screw four first nuts 3 into the four first bolts 2 for simple fastening.

[0061] Step 2: Connect four semi-automatic fastening structures 6 correspondingly around the column structure 7, and apply pressure simultaneously to tighten the first bolts 2 and the first nuts 3, thereby realizing the reinforcement of the column structure 7. The usage process of one semi-automatic fastening structure 6 is as follows:

[0062] Connect the adjacent two sides of the angle steel plate structures 1 through two nut blocks (the first fixing nut block 4 and the second fixing nut block 5), the first bolt 2 (the first bolt 2 is a high-strength pre-tightening force bolt), and the first nut 3 (the first nut 3 is an externally threaded high-strength nut). Apply pressure to reinforce the column by connecting and fixing the adjacent angle steel plate structures 1 around the concrete column structure 7. During installation, first screw the first nut 3 into the first bolt 2 for simple fastening, and at the same time connect the semi-automatic fastening device 6 to tighten and fix the bolt and nut structure.

[0063] When the semi-automatic fastening device 6 is in use, by opening the opening and closing part 602 on the right side of the semi-automatic fastening device 6 (that is, opening the buckle 66), adjust the positions of the bolt limiting block 21 and the two fixing nut blocks in the internal card slot 65. Place the bolt limiting block 21 at the left position corresponding to the card slot 65, and the two fixing nut blocks of the adjacent angle steel plate structures 1 respectively correspond to the middle part of the card slot 65 (that is, the wide groove part). At the same time, rotate the two threaded cylinders 642 in the semi-automatic fastening device 6 so that their external spiral thread patterns are fitted and embedded with the thread patterns of the externally threaded first nut 3. After the internal structure of the semi-automatic fastening device 6 is connected and corresponding to the angle steel plate structure 1 one by one, fasten the semi-opening and closing structure on the right side of the semi-automatic fastening device 6 with the buckle 66, and adjust the control component 62 to transmit the transmission signal to drive the internal clamping component 63 and the screwing-in component 64 for fixed screwing.

[0064] The fastening signal is transmitted to the clamping assembly 63 through the control component 62, causing the clamping block 632 to slide along the cross rail 631 and be fixed. At the same time, a pressure sensor 67 is embedded in the inner side of the clamping block 632 to detect the pressure between the clamping block 632 and the second fixed nut block 5. The detected pressure is transmitted to the controller 623 through the transmission line 622 and displayed on the control panel 621. After the clamping assembly 63 applies pressure and fixes the two nut blocks, the controller 623 on the left regulates the screwing-in assembly 64. The signal is transmitted to the two upper and lower driving motors 641 on the right through the transmission line 622. The driving motors 641 are started to drive the two upper and lower threaded cylinders 642 (threaded rotating cylinders) to rotate. Since the two upper and lower threaded cylinders 642 are covered with spiral threads, the first nut 3 with an externally covered thread engaged with the threaded cylinder 642 rotates during the rotation process, causing the first nut 3 to move along the spiral thread pattern towards the fixed nut block and tighten the first bolt 2. While the threaded bolt and nut are tightened, since the threaded cylinder 642 is covered with a torque sensor 68, the screwing-in state of the threaded cylinder 642 can be detected by the sensor. When the detected value of the internal pressure sensor 67 of the clamping block 632 decreases or becomes 0, at this time, the first bolt 2 and the first nut 3 are in a completely tightened state. The clamping force of the clamping block 632 is adjusted to loosen the fixed nut block, and at the same time, the buckle 66 on the right is rotated to loosen and remove the semi-automatic fastening device 6. Thus, the column steel reinforcement with steel plate wrapping is completed.

[0065] In summary, the present application has at least the following advantages:

[0066] 1. This modular column steel reinforcement system with steel plate wrapping can realize the structure of tightening the first bolt while pulling it tightly with the clip and screwing the first nut with a semi-automatic fastening device, and control the angle steel and steel plate structure to better control the fixed three-dimensional column structure. Compared with the traditional welding process, this combined structure reduces the operation difficulty, and can be flexibly applied to the reinforcement of column structures with different diameters and sizes by adjusting the positions of the two nut blocks and bolt limit blocks in the internal card slots of the semi-automatic fastening device.

[0067] 2. Compared with the traditional reinforcement method, this modular column steel reinforcement system with steel plate wrapping uses prefabricated modules, which is simple and fast to install on site, reduces the construction time and workload, and greatly improves the work efficiency.

[0068] 3. This modular column steel reinforcement system with steel plate wrapping combines the first bolt (high-strength pre-tightening force bolt) with the integrated angle steel and steel plate structure, and uses semi-automatic auxiliary fastening mechanical equipment, which can greatly improve the bearing capacity of the column structure. At the same time, the bearing capacity of the column can be detected during the reinforcement process to meet the reinforcement requirements of different structures. This reinforcement system forms a reliable force-bearing system through the close combination of steel plates, components and concrete columns, and can withstand large loads and deformations to ensure the safety and stability of the building structure.

[0069] The technical features of the above embodiments can be combined arbitrarily (as long as there is no contradiction in the combination of these technical features). For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described; these embodiments not explicitly written out should also be regarded as falling within the scope described in this specification.

Claims

1. A modular column steel reinforcement system, characterized in that: include: Modular angle steel plate structures and semi-automatic fastening equipment; The angle steel plate structure is an "L"-shaped structure, and four of the angle steel plate structures surround the outer surface of the concrete column structure. A plurality of first fixing nut blocks and a plurality of second fixing nut blocks are respectively arranged at intervals along the longitudinal direction at both ends of the angle steel plate structure, and the first fixing nut blocks and the second fixing nut blocks of two adjacent angle steel plate structures are connected by a first bolt, and a first nut adapted to the first bolt is arranged, and a bolt limiting block is arranged at one end of the first bolt; The semi-automatic fastening device is used to tighten and fix the first bolt and the first nut, and includes a main structure, a clamping assembly, a screw-in assembly and a control assembly. The main structure is divided into a fixed part located on the left and an opening and closing part located on the right. The opening and closing part is an upper and lower opening and closing structure, and a slot is provided in the middle of the opening and closing part. The left side of the slot is used to place a bolt limit block, the middle part of the slot is used to place a first fixed nut block and a second fixed nut block, and the right side of the slot is used to pass the first bolt; a buckle for fastening the opening and closing part is provided at one end of the opening and closing part away from the fixed part, the clamping assembly is provided in the middle of the slot, and the clamping assembly is used to clamp the first fixed nut block and the second fixed nut block; the screw-in assembly is located on the outside of the first nut, and the control assembly is used to control the operation of the clamping assembly and the screw-in assembly.

2. The modular column steel reinforcement system according to claim 1 is characterized in that: The control component includes a controller and a control panel. The control panel includes a display area and an operation area. The control panel is connected to the controller in a two-way communication manner.

3. The modular column steel reinforcement system according to claim 2 is characterized in that: The clamping assembly has two groups, which are fixedly arranged at the upper and lower parts of the middle part of the slot respectively, and include a cross rail and a clamping block. The cross rail is arranged inside the opening and closing part and corresponds to the middle part of the slot. The clamping block is arranged on the right side of the cross rail and is driven by a motor to slide inside the slot along the cross rail.

4. The modular column steel reinforcement system according to claim 3 is characterized in that: A pressure sensor is embedded in the inner side of the clamping block to detect the pressure between the clamping block and the first fixing nut block and the second fixing nut block; the pressure sensor is connected to the controller via a first transmission line.

5. The modular column steel reinforcement system according to claim 2 is characterized in that: The screw-in assembly includes a drive motor and a threaded barrel, and the drive motor is connected to the controller via a second transmission line; The two threaded barrels are respectively located at the upper part and the lower part of the first nut. The external spiral thread patterns of the two threaded barrels match the patterns on the outside of the first nut, and the threaded barrels are driven by the driving motor.

6. The modular column steel reinforcement system according to claim 5 is characterized in that: The threaded barrel is provided with a torque sensor, and the output end of the torque sensor is connected to the input end of the controller.

7. The modular column steel reinforcement system according to claim 1 is characterized in that: The first bolt and the bolt limiting block are integrally formed.

8. The modular column steel reinforcement system according to claim 1, characterized in that: The angle steel plate structure is integrally formed with the first fixing nut block and the second fixing nut block.

9. The modular column steel reinforcement system according to claim 1, characterized in that: The bolt limiting block is a hexagonal structure, and two opposite surfaces of the bolt limiting block correspond to the upper and lower surfaces of the clamping slot.

10. A modular column steel reinforcement method, characterized in that: The modular column steel reinforcement system according to any one of claims 1 to 9 comprises the following steps: Step 1: surround the four angle steel plate structures on the outer surface of the concrete column structure, and pass through the first fixing nut blocks and the second fixing nut blocks of the adjacent angle steel plate structures on both sides through four first bolts, and then screw the four first nuts into the four first bolts for simple tightening; Step 2: Connect four semi-automatic fastening structures correspondingly around the column structure, and apply pressure at the same time to tighten the first bolt and the first nut, thereby achieving the reinforcement of the column structure. The use process of one of the semi-automatic fastening structures is as follows: 1) First, open the buckle on the right side of the semi-automatic fastening device to open the opening and closing part, adjust the positions of the bolt limit block and the two fixed nut blocks in the internal slot, and place the bolt limit block corresponding to the left side of the slot, and the first fixed nut block and the second fixed nut block of the adjacent angle steel plate structure respectively correspond to the middle of the slot; at the same time, the screw-in component is rotated to the outside of the first nut through the control component; when the internal structure of the semi-automatic fastening device is connected and corresponds to the angle steel plate structure one by one, the opening and closing part on the right side of the semi-automatic fastening device is fastened with the buckle; 2) transmitting a signal to the clamping assembly through the control assembly, thereby applying pressure and fixing the first fixing nut block and the second fixing nut block; 3) transmitting a signal to the screw-in assembly through the control assembly, thereby driving the first nut to move along the direction of the first fixing nut block and the second fixing nut block and tightening the first bolt; 4) When the first bolt and the first nut are in a fully tightened state, adjust the clamping force between the first fixing nut block and the second fixing nut block through the control component, loosen the first fixing nut block and the second fixing nut block, and at the same time, turn and loosen the buckle on the right side to remove the semi-automatic fastening equipment. At this point, the steel reinforcement of the column is completed.

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