Modularized steel reinforcement framework beam formed through welding and assembling method thereof

Abstract

The invention discloses a welding-formed modular steel reinforcement framework beam and an assembling method thereof.The welding-formed modular steel reinforcement framework beam comprises a plurality of connecting frames, connecting cross beams and first connecting assemblies, the connecting frames comprise a plurality of horizontally-arranged connecting cross rods and a plurality of vertically-arranged connecting vertical rods, and the connecting cross rods and the connecting vertical rods are connected in a staggered mode; the first connecting assembly comprises a connecting block, a limiting rotating plate and a clamping block, a longitudinal connecting groove is formed in one vertical side wall of the connecting block in the vertical direction, a transverse connecting groove is horizontally formed in the side, away from the longitudinal connecting groove, of the connecting block, the connecting vertical rod is clamped in the longitudinal connecting groove, and the limiting rotating plate is horizontally and rotationally arranged on the side, provided with the longitudinal connecting groove, of the connecting block. Sliding grooves are formed in the horizontal inner wall of the connecting transverse groove in the vertical direction, and one clamping block is arranged in each sliding groove in a sliding mode. The forming device has the effect of improving the forming efficiency and the forming quality of the steel reinforcement framework.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of modular steel frames, in particular to a welded and formed modular steel skeleton beam and an assembling method thereof. BACKGROUND

[0002] The steel skeleton is a three-dimensional net frame formed by combining multiple steel bars at a specific spacing, mainly applied in concrete components to improve structural bearing capacity and durability. Its production needs to be completed on a solid workbench, including lofting, welding deformation control and other technical links. During construction, the split prefabrication and overall hoisting method is adopted, which is commonly used in structural columns, cantilever beams and other parts of brick-concrete structures. The peripheral steel bars of the skeleton cross point need to be fully bound, the positioning accuracy is ensured by short steel bars between multiple steel bars, and the spacing of stirrups is set according to the stress characteristics.

[0003] In building structure engineering, the forming of beam steel skeleton is an important link in the construction process. The stirrup forming and skeleton forming of the traditional beam steel skeleton are all manually bound. Although this method is simple and easy to operate, it has many problems, such as low work efficiency, high labor intensity, poor forming precision, high construction cost, and difficult to guarantee the assembly quality, etc. Further improvement is needed. SUMMARY

[0004] In order to improve the forming efficiency and forming quality of the steel skeleton, the present application provides a welded and formed modular steel skeleton beam and an assembling method thereof.

[0005] The welded and formed modular steel skeleton beam provided by the present application adopts the following technical scheme: A welded and formed modular steel skeleton beam, comprising a connecting frame, a connecting cross beam and a first connecting assembly, the connecting frame is provided with a plurality of groups, the connecting frame comprises a plurality of horizontally arranged connecting cross bars and a plurality of vertically arranged connecting vertical bars, the connecting cross bars and the connecting vertical bars are vertically arranged and connected in an alternating manner, a plurality of connecting cross beams are horizontally arranged on one side of the connecting frame, the first connecting assembly comprises a connecting block, a limiting turn plate and a clamping block, a longitudinal connecting groove is formed on one vertical side wall of the connecting block along the vertical direction, a horizontal connecting groove is horizontally formed on the side of the connecting block away from the longitudinal connecting groove, the connecting vertical bars are clamped in the longitudinal connecting groove, the limiting turn plate is horizontally rotatably arranged on the side of the connecting block provided with the longitudinal connecting groove, the connecting block is provided with a connecting piece for fixing the limiting turn plate, the limiting turn plate is connected with the connecting block through the connecting piece and blocks the longitudinal connecting groove, a sliding groove is arranged on the horizontal inner wall of the horizontal connecting groove along the vertical direction, one clamping block is slidingly arranged in each sliding groove, and the connecting block is provided with a driving piece for driving the clamping block to slide in the sliding groove.

[0006] By adopting the technical scheme, the adjacent two connecting frames are connected by using the connecting cross beam and the first connecting assembly. The connecting vertical rod of the connecting frame is inserted into the longitudinal connecting groove of the connecting block, and the connecting vertical rod is limited by the limiting rotating plate. The connecting cross beam is inserted into the transverse connecting groove, and the clamping block is moved to limit the connecting cross beam, thereby realizing the connection between the connecting cross beam and the connecting frame. By connecting the adjacent two connecting frames with the same connecting cross beam, the adjacent two connecting frames in the horizontal direction are connected. Through the cooperation of the connecting frame, the connecting cross beam and the first connecting assembly, the quick connection of the adjacent connecting frames is realized, and the forming efficiency and forming quality of the steel reinforcement framework are improved.

[0007] Optionally, the driving member comprises a sliding rod, a top block, an extension plate and a pressing spring. A sliding hole is formed in the connecting block along the vertical direction. The sliding rod is in sliding connection with the sliding hole. One end of the sliding rod is connected with the clamping block. The other end of the sliding rod extends out of the connecting block and is connected with the top block. The side of the top block away from the connecting block is connected with the extension plate. The pressing spring is connected between the connecting block and the extension plate. In the natural state, one end of the clamping block extends out of the sliding groove under the action of the pressing spring. The end of the clamping block away from the sliding rod is provided with a clamping inclined surface. The clamping inclined surface is arranged on the side of the clamping block away from the transverse connecting groove.

[0008] By adopting the above technical scheme, the connecting cross beam is pushed into the transverse connecting groove, and the clamping inclined surface of the clamping block abuts against the connecting cross beam. Under the pushing action of the connecting cross beam, the two clamping blocks are pushed away from each other. When the connecting cross beam is embedded in the transverse connecting groove, the clamping block is reset under the action of the pressing spring. The side of the clamping block limits the connecting cross beam, thereby reducing the possibility of the connecting cross beam coming out of the transverse connecting groove.

[0009] Optionally, the connecting member comprises a connecting screw rod and a connecting nut. The side of the connecting block where the longitudinal connecting groove is formed is horizontally provided with a rotating groove. One end of the limiting rotating plate is in rotating connection with the inner wall of the rotating groove. The side of the limiting rotating plate away from the rotating center is provided with a clamping groove. The connecting screw rod is horizontally connected to the inner wall of the rotating groove. When the limiting rotating plate is rotated into the rotating groove, the connecting screw rod is located in the clamping groove. The connecting nut is threadedly connected to the connecting screw rod and abuts against the limiting rotating plate.

[0010] By adopting the above technical scheme, the limiting rotating plate is rotated into the rotating groove on the connecting block. At this time, the connecting screw rod is inserted into the clamping groove. The connecting nut is connected to the connecting screw rod, so that it abuts against the side of the limiting rotating plate away from the bottom wall of the rotating groove. The stable connection of the limiting rotating plate is realized.

[0011] Optionally, the two sides of the connecting frame in the vertical direction are provided with longitudinal connecting assemblies, the longitudinal connecting assembly comprises a top rod, a sleeve rod, a connecting ratchet and a connecting pawl, a plurality of top rods are vertically connected at the top end of the connecting frame, a plurality of sleeve rods are vertically connected at the bottom end of the connecting frame, a plurality of top rods and a plurality of sleeve rods are arranged one by one in the vertical direction, a plurality of sleeve rods and a plurality of top rods are arranged one by one in the vertical direction, the connecting ratchet is arranged on the top rod along the length direction of the top rod, the connecting pawl is rotatably connected in the inner cavity of the sleeve rod through a rotating shaft, a torsional spring is arranged on the rotating shaft, the two ends of the torsional spring are connected with the connecting pawl and the inner wall of the sleeve rod respectively, the top rod is inserted into the sleeve rod at the bottom of the adjacent connecting frame, and the connecting pawl is abutted against the connecting ratchet under the action of the torsional spring.

[0012] By adopting the above technical scheme, when the two adjacent connecting frames in the vertical direction are connected, the top rod is inserted into the corresponding sleeve rod, the connecting pawl and the connecting ratchet are engaged with each other, and the quick connection of the two adjacent connecting frames in the vertical direction is realized.

[0013] Optionally, the connecting ratchet is connected with a pull rod, the sleeve rod is provided with a communication hole, the size of the communication hole is greater than the cross-sectional size of the pull rod, and one end of the pull rod extends out of the sleeve rod through the communication hole.

[0014] By adopting the above technical scheme, when the two adjacent connecting frames in the vertical direction need to be disassembled, the pull rod is pulled outwards to separate the connecting ratchet and the connecting pawl, and the quick disassembly of the two connecting frames is facilitated.

[0015] Optionally, the connecting frame is provided with a second connecting assembly, the second connecting assembly comprises a connecting circular plate, a limiting circular plate, a center rod, a limiting block, an abutting spring, a connecting rotating rod and a mounting block, the connecting circular plate and the limiting circular plate are coaxially connected on the center rod, the limiting circular plate is rotatably connected with the center rod, one limiting block is connected at each end of the center rod, the side of the limiting circular plate and the connecting circular plate away from each other is provided with a limiting tooth groove in the circumferential direction, one end of the abutting spring is connected with one of the limiting blocks, and the other end is abutted with the limiting circular plate; the limiting tooth groove of the limiting circular plate is engaged with the limiting tooth groove on the connecting circular plate in the natural state; one connecting rotating rod is connected on the limiting circular plate and the connecting circular plate along the radial direction thereof; the end of the connecting rotating rod away from the center shaft is connected with the mounting block; the mounting block is provided with a mounting groove; the connecting vertical rod is embedded in the mounting groove; and the side of the mounting block provided with the mounting groove is detachably connected with a mounting plate.

[0016] By adopting the above technical solution, the connecting vertical rods on the edges of two adjacent connecting frames are placed in the mounting slots of the two mounting blocks, and the mounting plate is connected to the side wall of the mounting block provided with the mounting slot, thereby achieving the connection between the mounting block and the connecting frame. The limiting circular plate is pulled away from the connecting circular plate and rotated until the two connecting rotating rods are at a suitable angle. The limiting circular plate is released, and the limiting circular plate is pressed against the connecting circular plate by the action of the retaining spring. The limiting teeth of the limiting circular plate mesh with the limiting teeth of the connecting circular plate, thereby achieving the angle limit of the connecting rotating rod.

[0017] Optionally, angle scale lines are provided along the circumferential direction on a side of the limiting circular plate away from the connecting circular plate.

[0018] By adopting the above technical solution, the setting of the angle scale line facilitates the operator to accurately adjust the angles of the two connecting rods.

[0019] The present application provides a method for assembling a welded modular reinforced steel skeleton beam using the following technical solutions: Optional, including the following steps: S1: Forming the connecting frame through automated pressure welding equipment; S2: Connecting the connecting beam and the connecting frame through a first connecting assembly to form a transverse combined connecting frame; S3: connecting two adjacent connecting frames in the vertical direction through a longitudinal connecting assembly to form a longitudinal combined connecting frame; S4: connecting two laterally adjacent connecting frames having an angle through a second connecting assembly to achieve connection at a corner of the connecting frames.

[0020] By adopting the above technical solution, the setting of the automated pressure welding equipment improves the manufacturing accuracy of the connecting frame. The first connecting component, the second connecting component and the longitudinal connecting component are used to realize the rapid connection of several single connecting frames.

[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. Through the mutual cooperation of the connecting frame, the connecting beam and the first connecting assembly, the rapid connection of adjacent connecting frames is achieved, which has the effect of improving the forming efficiency and forming quality of the steel skeleton; 2. The setting of the longitudinal connection assembly realizes the rapid connection of two adjacent connection frames in the vertical direction; 3. The setting of the angle scale line makes it convenient for the operator to accurately adjust the angle of the two connecting rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of a welded modular steel skeleton beam used in an embodiment of the present application.

[0023] Figure 2 is Figure 1 is an enlarged view of part A in FIG. 1.

[0024] Figure 3 is a partial sectional view of a connecting block in the embodiment of the present application.

[0025] Figure 4 is a partial sectional view of a longitudinal connecting assembly in the embodiment of the present application.

[0026] Figure 5 is Figure 1 is an enlarged view of part B in FIG. 1.

[0027] Reference Signs List: 1, connecting frame; 101, connecting horizontal rod; 102, connecting vertical rod; 2, connecting cross beam; 3, first connecting assembly; 301, connecting block; 3011, longitudinal connecting groove; 3012, horizontal connecting groove; 3013, rotating groove; 3014, sliding groove; 3015, sliding hole; 302, limiting rotating plate; 3021, clamping groove; 303, connecting screw; 304, connecting nut; 305, clamping block; 3051, clamping inclined surface; 306, sliding rod; 307, top block; 3071, positioning hole; 308, clamping spring; 309, extension plate; 310, positioning pin; 311, connecting plate; 4, second connecting assembly; 41, connecting round plate; 42, limiting round plate; 43, center rod; 44, limiting block; 45, abutting spring; 46, connecting rotating rod; 47, mounting block; 471, mounting groove; 48, mounting plate; 49, limiting tooth groove; 5, longitudinal connecting assembly; 51, top rod; 52, connecting ratchet; 53, sleeve rod; 531, communicating hole; 54, connecting pawl; 55, rotating shaft; 56, torsion spring; 57, pull rod; 6, pressing gasket; 7, anti-skid gasket; 8, angle scale. DETAILED DESCRIPTION

[0028] The following will be described in detail in combination with the accompanying Figures 1-5 The present application is described in further detail. The embodiment of the present application provides a modular steel reinforcement framework beam formed by welding and a method for assembling the same, which has the effect of improving the forming efficiency and forming quality of the steel reinforcement framework.

[0029] Reference Figures 1-3The application discloses a welded and formed modular steel skeleton beam which comprises a connecting frame 1, connecting cross beams 2, a first connecting assembly 3, a second connecting assembly 4 and a longitudinal connecting assembly 5. The connecting frame 1 comprises connecting horizontal rods 101 and connecting vertical rods 102, the connecting horizontal rods 101 are horizontally arranged in a plurality of numbers, the connecting vertical rods 102 are vertically arranged in a plurality of numbers, the connecting horizontal rods 101 and the connecting vertical rods 102 are arranged alternately and formed by an automatic pressure welding device. The connecting cross beams 2 are arranged in two numbers in parallel on one side of the connecting frame 1, and the connecting cross beams 2 are connected with the connecting frame 1 through the first connecting assembly 3.

[0030] With reference to Figure 2 and Figure 3 The first connecting assembly 3 comprises a connecting block 301, a limiting rotating plate 302, a connecting screw 303, a connecting nut 304, a clamping block 305, a sliding rod 306, a top block 307, a clamping spring 308, an extension plate 309, a positioning pin 310 and a connecting plate 311. A longitudinal connecting groove 3011 is vertically arranged on one vertical side wall of the connecting block 301, and a horizontal connecting groove 3012 is horizontally arranged on the side of the connecting block 301 away from the longitudinal connecting groove 3011. A rotating groove 3013 is horizontally arranged on the side of the connecting block 301 where the longitudinal connecting groove 3011 is arranged, and one side of the limiting rotating plate 302 is rotatably arranged on the inner wall of the rotating groove 3013, and the other side of the limiting rotating plate 302 is provided with a clamping groove 3021. The connecting vertical rod 102 is inserted into the longitudinal connecting groove 3011 of the connecting block 301, and the limiting rotating plate 302 is abuttingly connected with the side of the connecting vertical rod 102 away from the longitudinal connecting groove 3011. The side of the limiting rotating plate 302 close to the longitudinal connecting groove 3011 is connected with a pressing gasket 6, and the inner wall of the longitudinal connecting groove 3011 is connected with an anti-skid gasket 7. The connecting screw 303 is horizontally connected with the inner wall of the rotating groove 3013, and when the limiting rotating plate 302 is rotated into the rotating groove 3013, the connecting screw 303 is embedded into the clamping groove 3021, and the connecting nut 304 is threadedly connected with the connecting screw 303 and abuttingly connected with one side of the limiting rotating plate 302.

[0031] With reference to Figure 2 and Figure 3The two opposite side walls of the transverse connecting groove 3012 are each provided with a sliding groove 3014 in the vertical direction, and a clamping block 305 is slidingly arranged in each sliding groove 3014. The top end and the bottom end of the connecting block 301 are each provided with a sliding hole 3015 in the vertical direction, and one end of the sliding hole 3015 is in communication with the sliding groove 3014. A sliding rod 306 is slidingly arranged in the sliding hole 3015, one end of the sliding rod 306 extends into the sliding groove 3014 and is connected with the clamping block 305, and the other end extends out of the connecting block 301 and is connected with a top block 307. The side of the top block 307 away from the connecting block 301 is connected with an extension plate 309, and a clamping spring 308 is connected between the extension plate 309 and the connecting block 301. In the natural state, one end of the clamping block 305 extends out of the sliding groove 3014, and the side of the clamping block 305 away from the transverse connecting groove 3012 is provided with a clamping inclined surface 3051. The connecting beam 2 is embedded in the transverse connecting groove 3012, and the clamping block 305 abuts against the side of the connecting beam 2 away from the vertical inner wall of the transverse connecting groove 3012. A connecting plate 311 is vertically connected to the top surface and the bottom surface of the connecting block 301, and a positioning pin 310 horizontally penetrates through the connecting plate 311 and is slidingly connected with the connecting plate 311. The side of the top block 307 close to the connecting plate 311 is provided with a positioning hole 3071 corresponding to the end of the positioning pin 310.

[0032] With reference to Figure 1 and Figure 4 The longitudinal connecting assembly 5 comprises a top rod 51, a connecting ratchet 52, a sleeve rod 53, a connecting pawl 54, a rotating shaft 55, a torsional spring 56 and a pull rod 57. The top rod 51 is vertically connected to the top end of the connecting frame 1, the sleeve rod 53 is vertically connected to the bottom end of the connecting frame 1, and the plurality of top rods 51 and the plurality of sleeve rods 53 are arranged in one-to-one correspondence in the vertical direction. The connecting ratchet 52 is connected to the vertical side wall of the top rod 51 along the length direction of the top rod 51, the rotating shaft 55 is connected to the inner wall of the sleeve rod 53, and the connecting ratchet 52 is rotationally arranged on the rotating shaft 55. The torsional spring 56 is sleeved on the rotating shaft 55, one end of the torsional spring 56 is connected with the connecting pawl 54, and the other end is connected with the inner wall of the sleeve rod 53. The pull rod 57 is connected to the connecting pawl 54, the sleeve rod 53 is provided with a communication hole 531, the size of the communication hole 531 is larger than the size of the cross section of the pull rod 57, and the pull rod 57 extends out of the sleeve rod 53 through the communication hole 531. The top rod 51 is inserted into the inner cavity of the sleeve rod 53 of the adjacent connecting frame 1, and the connecting pawl 54 is clamped with the connecting ratchet 52.

[0033] With reference to Figure 1 and Figure 5The second connecting assembly 4 is arranged on the vertical side of the connecting frame 1, and comprises a connecting disc 41, a limiting disc 42, a central rod 43, a limiting block 44, a pressing spring 45, a connecting rotating rod 46, a mounting block 47 and a mounting plate 48. The connecting disc 41 and the limiting disc 42 are coaxially sleeved on the central rod 43, the connecting disc 41 is fixedly connected with the central shaft, the limiting disc 42 is slidingly connected with the central shaft, and a limiting tooth groove 49 is arranged on the side of the connecting disc 41 and the limiting disc 42 close to each other in a circumferential direction. One limiting block 44 is connected to each end of the central shaft, the pressing spring 45 is sleeved on the central shaft, one end of the pressing spring 45 is connected with one of the limiting blocks 44, and the other end is abutted against the side of the limiting disc 42 away from the connecting disc 41. In a natural state, the limiting tooth groove 49 of the limiting disc 42 is engaged with the limiting tooth groove 49 of the connecting disc 41, and an angle scale line 8 is arranged on the side of the limiting disc 42 away from the connecting disc 41 in a circumferential direction. The connecting rotating rod 46 is connected to the circumferential wall of the connecting disc 41 and the limiting disc 42 in a radial direction. The mounting block 47 is connected to the end of each connecting rotating rod 46 away from the central shaft, the side of the mounting block 47 away from the connecting rotating rod 46 is provided with a mounting groove 471, and the connecting vertical rod 102 is embedded in the mounting groove.

[0034] With reference to Figures 1-3 When the two adjacent connecting frames 1 in the horizontal direction are connected, the longitudinal connecting groove 3011 of the connecting vertical rod 102, the limiting rotating plate 302 is rotated into the rotating groove 3013, and the connecting nut 304 is connected to the connecting screw 303, so as to limit the position of the limiting rotating plate 302. The setting of the pressing gasket 6 and the anti-skid gasket 7 increases the friction between the connecting block 301 and the connecting vertical rod 102.

[0035] With reference to Figures 1-3 The connecting cross beam 2 is pushed into the transverse connecting groove 3012 from one side of the connecting block 301, and the connecting cross beam 2 is in contact with and extruded by the clamping inclined surface 3051 of the clamping block 305. The connecting cross beam 2 is embedded in the transverse connecting groove 3012, the clamping block 305 is abutted against the side of the connecting cross beam 2 away from the vertical bottom wall of the transverse connecting groove 3012 under the action of the clamping spring 308, and the position of the connecting cross beam 2 is limited. The end of the positioning pin 310 is inserted into the positioning hole 3071 in the top block 307, and the position of the top block 307 is limited, so that the possibility of the connecting cross beam 2 being pulled out of the transverse connecting groove 3012 of the connecting block 301 is reduced.

[0036] With reference to Figure 1 and Figure 4When connecting two adjacent connecting frames 1 in the vertical direction, the top rod 51 is inserted into the corresponding sleeve rod 53 of the upper connecting frame 1, the connecting pawl 54 is engaged with the connecting ratchet 52, and the stable connection of the top rod 51 and the sleeve rod 53 is achieved. When the top rod 51 and the sleeve rod 53 need to be separated, the pull rod 57 is pulled to separate the top rod 51 and the sleeve rod 53.

[0037] Referring to Figure 1 and Figure 5 When connecting two adjacent connecting frames 1 in the same horizontal direction at different angles, the connecting vertical rod 102 at the edge of the two connecting frames 1 is inserted into the mounting groove 471 of the corresponding mounting block 47, and the mounting plate 48 is connected to the side wall of the mounting block 47 provided with the mounting groove 471 using a bolt, so as to achieve the connection of the connecting vertical rod 102 and the connecting rod 46. The limiting circular plate 42 is pulled away from the connecting circular plate 41, and the limiting circular plate 42 is rotated until the two connecting rods 46 are rotated to the appropriate angle. The limiting circular plate 42 is loosened and slides towards the connecting circular plate 41 under the action of the abutting spring 45, and the limiting tooth groove 49 on the limiting circular plate 42 is engaged with the connecting tooth groove on the connecting circular plate 41, so as to achieve the angle fixation of the two connecting rods 46. The angle scale line 8 facilitates the adjustment of the angle of the two connecting rods 46 by the operator.

[0038] Referring to Figure 1 A method for assembling a modular steel reinforcement framework beam formed by welding comprises the following steps: S1: welding a plurality of connecting vertical rods 102 and a plurality of connecting horizontal rods 101 into a single connecting frame 1 by an automatic welding device; S2: connecting two adjacent connecting frames 1 in the same horizontal direction by the first connecting assembly 3 to form a horizontally combined connecting frame 1; S3: connecting two adjacent connecting frames 1 in the vertical direction by the longitudinal connecting assembly 5 to form a longitudinally combined connecting frame 1; S4: connecting two adjacent connecting frames 1 in the same horizontal direction at a certain angle by the second connecting assembly 4 to achieve quick connection at the corner of the connecting frame 1.

[0039] The implementation principle of the modular steel reinforcement framework beam formed by welding and the method for assembling the same in the embodiment is that the entire steel reinforcement framework is divided into a plurality of single connecting frames 1, the first connecting assembly 3 is used to connect the adjacent connecting frames 1 in the horizontal direction, the longitudinal connecting assembly 5 is used to quickly connect two adjacent connecting frames 1 in the vertical direction, and the second connecting assembly 4 is used to quickly connect the connecting frames 1 in the horizontal direction at a certain angle.

[0040] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A welded modular reinforced steel skeleton beam, characterized by: The invention comprises a connecting frame (1), a connecting crossbeam (2) and a first connecting assembly (3), wherein the connecting frame (1) is provided with a plurality of groups, the connecting frame (1) comprises a plurality of horizontally arranged connecting crossbars (101) and a plurality of vertically arranged connecting vertical bars (102), the connecting crossbars (101) and the connecting vertical bars (102) being arranged vertically and staggered, the connecting crossbeams (2) being horizontally arranged on one side of the connecting frame (1), the first connecting assembly (3) comprising a connecting block (301), a limiting rotating plate (302) and a clamping block (305), a vertical connecting groove (3011) being vertically provided on a vertical side wall of the connecting block (301), and a horizontal connecting groove (3012) being horizontally provided on a side of the connecting block (301) away from the vertical connecting groove (3011) The connecting vertical rod (102) is clamped in the longitudinal connecting groove (3011), the limiting rotating plate (302) is horizontally rotatably arranged on the side of the connecting block (301) provided with the longitudinal connecting groove (3011), the connecting block (301) is provided with a connecting piece for fixing the limiting rotating plate (302), the limiting rotating plate (302) is connected to the connecting block (301) through the connecting piece and blocks the longitudinal connecting groove (3011), a sliding groove (3014) is provided on the horizontal inner wall of the connecting transverse groove along the vertical direction, one of the clamping blocks (305) is slidably provided in each of the sliding grooves (3014), and a driving piece for driving the clamping block (305) to slide in the sliding groove (3014) is provided on the connecting block (301).

2. The welded modular steel frame beam according to claim 1, characterized in that: The driving member includes a sliding rod (306), a top block (307), an extension plate (309) and a pressing spring (45); a sliding hole (3015) is provided on the connecting block (301) along the vertical direction; the sliding rod (306) is slidably connected to the sliding hole (3015); one end of the sliding rod (306) is connected to the clamping block (305); the other end of the sliding rod (306) extends out of the connecting block (301) and is connected to the top block (307); the top block (307) is away from the connecting block (301). 01) is connected to the extension plate (309), the retaining spring (45) is connected between the connecting block (301) and the extension plate (309), and in a natural state, one end of the clamping block (305) extends out of the sliding groove (3014) under the action of the retaining spring (45), and the end of the clamping block (305) away from the sliding rod (306) is provided with a clamping inclined surface (3051), and the clamping inclined surface (3051) is provided on the side of the clamping block (305) away from the transverse connecting groove (3012).

3. The welded modular steel frame beam according to claim 1, characterized in that: The connecting member comprises a connecting screw (303) and a connecting nut (304); a rotating groove (3013) is horizontally opened on one side of the connecting block (301) on which the longitudinal connecting groove (3011) is opened; one end of the limiting rotating plate (302) is rotatably connected to the inner wall of the rotating groove (3013); a clamping groove (3021) is opened on the side of the limiting rotating plate (302) away from its rotation center; the connecting screw (303) is horizontally connected to the inner wall of the rotating groove (3013); when the limiting rotating plate (302) is rotated into the rotating groove (3013), the connecting screw (303) is located in the clamping groove (3021); the connecting nut (304) is threadedly connected to the connecting screw (303) and pressed tightly against the limiting rotating plate (302).

4. The welded modular steel frame beam according to claim 1, characterized in that: The connecting frame (1) is provided with longitudinal connecting assemblies (5) on both sides in the vertical direction. The longitudinal connecting assemblies (5) include a top rod (51), a sleeve rod (53), a connecting ratchet (52) and a connecting pawl (54). The top rod (51) is vertically connected to a plurality of rods at the top end of the connecting frame (1), and the sleeve rod (53) is vertically connected to a plurality of rods at the bottom end of the connecting frame (1). The plurality of top rods (51) and the plurality of sleeve rods (53) are arranged in a one-to-one correspondence in the vertical direction, and the plurality of sleeve rods (53) and the plurality of top rods (51) are arranged in a one-to-one correspondence in the vertical direction. The connecting ratchet (52) is arranged on the push rod (51) along the length direction of the push rod (51), and the connecting pawl (54) is rotatably connected to the inner cavity of the sleeve rod (53) through a rotating shaft (55). A torsion spring (56) is provided on the rotating shaft (55), and the two ends of the torsion spring (56) are respectively connected to the connecting pawl (54) and the inner wall of the sleeve rod (53). The push rod (51) is inserted into the sleeve rod (53) at the bottom of the adjacent connecting frame (1), and the connecting pawl (54) is pressed against the connecting ratchet (52) under the action of the torsion spring (56).

5. The welded modular steel frame beam according to claim 4, characterized in that: The connecting ratchet (52) is connected to a pull rod (57), and a connecting hole (531) is provided on the sleeve rod (53). The size of the connecting hole is larger than the cross-sectional size of the pull rod (57), and one end of the pull rod (57) extends out of the sleeve rod (53) through the connecting hole (531).

6. The welded modular steel frame beam according to claim 4, characterized in that: The connecting frame (1) is provided with a second connecting assembly (4), which includes a connecting circular plate (41), a limiting circular plate (42), a center rod (43), a limiting block (44), a holding spring (45), a connecting rotating rod (46) and a mounting block (47). The connecting circular plate (41) and the limiting circular plate (42) are coaxially connected to the center rod (43). The limiting circular plate (42) is rotatably connected to the center rod (43). The limiting block (44) is connected to one end of each of the center rod (43). A limiting tooth groove (49) is circumferentially provided on the side where the limiting circular plate (42) and the connecting circular plate (41) are close to each other. One end of the holding spring (45) is connected to one of the two ends of the center rod (43). The limiting block (44) is connected, and the other end is in contact with the limiting circular plate (42). In a natural state, the limiting tooth groove (49) of the limiting circular plate (42) is meshed and connected with the limiting tooth groove (49) on the connecting circular plate (41). The connecting rotating rod (46) is connected to the limiting circular plate (42) and the connecting circular plate (41) along their radial direction. The end of the connecting rotating rod (46) away from the central axis is connected to the mounting block (47). The mounting block (47) is provided with a mounting groove (471). The connecting vertical rod (102) is embedded in the mounting groove (471). The side of the mounting block (47) provided with the mounting groove (471) is detachably connected to the mounting plate (48).

7. The welded modular steel frame beam according to claim 6, characterized in that: An angle scale line (8) is provided along the circumferential direction on one side of the limiting circular plate (42) away from the connecting circular plate (41).

8. The method for assembling a welded modular reinforced steel skeleton beam according to claim 6, characterized in that: The following steps are involved: S1: forming a connecting frame (1) by an automated pressure welding device; S2: connecting the connecting beam (2) and the connecting frame (1) via a first connecting assembly (3) to form a transverse combined connecting frame (1); S3: connecting two adjacent connecting frames (1) in the vertical direction via a longitudinal connecting assembly (5) to form a longitudinal combined connecting frame (1); S4: connecting two laterally adjacent connecting frames (1) with an angle via a second connecting assembly (4) to achieve connection at the corner of the connecting frames (1).

Images