A beam-column node of an assembled steel structure and an assembled building system thereof

Abstract

The present invention discloses a beam-column node of an assembled steel structure and an assembled building system thereof, comprising a T-shaped connecting column and an I-shaped beam column, wherein three ends of the T-shaped connecting column are provided with a plurality of connecting grooves, the connecting grooves are provided with gears, the screw rod is movably connected to the T-shaped connecting column, the movable plate is fixedly connected with two groups of connecting blocks on one side close to the I-shaped connecting groove, the limiting cavity is provided in the T-shaped connecting column, two groups of T-shaped clamping rods are movably connected in the limiting cavity, and the two groups of T-shaped clamping rods extend into the I-shaped connecting groove at opposite backs; after the T-shaped connecting column and the I-shaped beam column are connected together, the rotating gear ring drives the plurality of gears to rotate, so as to realize rapid assembly and realize the limiting and fixing of the I-shaped beam column, and the T-shaped locking rod located in the connecting ring will spring into the locking groove to realize the fixed limiting of the screw rod, thereby increasing the connection strength between the T-shaped connecting column and the I-shaped beam column and increasing the service life of the beam-column node.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure beam-column nodes, and in particular to a beam-column node of an assembled steel structure and an assembled building system thereof. Background Art

[0002] Steel structure engineering is one of the main types of building structures and one of the more common structural forms in modern construction projects. China is the first country to use iron to manufacture load-bearing structures. Steel structure engineering is a structure mainly made of steel. For example, the Chinese patent with announcement number CN207846686U discloses a beam-column node of a fast-assembled steel structure, including an H-shaped steel column, an I-beam main beam is connected to the H-shaped steel column, a channel steel is connected between the upper and lower flanges and the web of the I-beam main beam, an intermediate partition is vertically connected in the channel steel, and the intermediate partition is connected to the I-beam secondary beam through a shear splint.

[0003] However, the above scheme has the following shortcomings: in the above patent, the forces on each part are clearly defined to facilitate industrial manufacturing and on-site assembly, thereby reducing the workload of on-site assembly. However, this assembly method still requires workers to install the bolts at the beam-column node at one time, which reduces the assembly speed of the beam-column node. At the same time, this method only fixes the beam-column node by bolts. When the bolts are damaged or loosened due to erosion by the external environment, the service life of the beam-column node may be reduced. For this reason, we have introduced a beam-column node of an assembled steel structure and an assembled building system thereof. Summary of the invention

[0004] The object of the present invention is to provide a beam-column node of a prefabricated steel structure and a prefabricated building system thereof, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A beam-column node of an assembled steel structure, comprising a T-shaped connecting column and an I-shaped beam-column, wherein the three ends of the T-shaped connecting column are provided with a plurality of connecting grooves, a gear is provided in the connecting groove, a screw is fixedly sleeved in the gear, the screw is movably connected in the T-shaped connecting column, both ends of the screw extend out of the T-shaped connecting column, the gear is meshed with a gear ring, the gear ring is movably connected in the T-shaped connecting column, the three ends of the T-shaped connecting column are provided with an I-shaped connecting groove, the I-shaped connecting groove is provided with a sliding groove at one end away from the screw, a movable plate is slidably connected in the sliding groove, two groups of connecting blocks are fixedly connected to the side of the movable plate close to the I-shaped connecting groove, and the connecting block is slidably connected in the yielding groove;

[0007] The yield groove is opened in the T-shaped connecting column, and the connecting block is fixedly connected with two groups of limiting rods at one end close to the I-shaped connecting groove. The limiting rod extends into the limiting cavity at one end away from the connecting block and is clamped in the limiting hole. The limiting cavity is opened in the T-shaped connecting column, and two groups of T-shaped clamping rods are movably connected in the limiting cavity. The limiting hole is opened in the T-shaped clamping rod. The opposite surfaces of the two groups of T-shaped clamping rods are connected to each other through a group of third springs, and the opposite back surfaces of the two groups of T-shaped clamping rods extend into the I-shaped connecting groove.

[0008] Preferably, a plurality of groups of clamping grooves are opened in the lower end of the I-shaped beam column, a connecting ring is fixedly connected to the outer side of the I-shaped beam column, a plurality of groups of internal threaded holes are opened in the connecting ring, a T-shaped locking rod is provided on the lower side of the internal threaded hole, the T-shaped locking rod is slidably connected to the connecting cavity, the connecting cavity is opened in the connecting ring, a first spring is fixedly connected to the connecting cavity, and the other end of the first spring is fixedly connected to the T-shaped locking rod.

[0009] Preferably, a plurality of guide wheels are fixedly connected to the upper and lower ends of the gear ring, the guide wheels are slidably connected in guide grooves, and the guide grooves are provided in T-shaped connecting columns.

[0010] Preferably, the movable plate is fixedly connected to one end away from the I-shaped connecting groove with two groups of second springs, the other end of the second spring is fixedly connected to the sliding groove, a locking groove is provided in the screw rod, and a plurality of connecting holes are provided in the outer side of the gear ring.

[0011] In addition, in order to achieve the above-mentioned purpose, the present invention also provides a prefabricated building system, including the beam-column node of the prefabricated steel structure.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: after the T-shaped connecting column and the I-shaped beam column are connected together, the rotating gear ring drives several groups of gears to rotate, and the rotation of the gears makes the screw rod and the internal threaded hole in the connecting ring be screwed together to achieve rapid assembly. At the same time, when the end face of the connecting ring and the T-shaped connecting column are completely fitted together, the T-shaped clamping rod will automatically pop out and clamp into the clamping groove to achieve the limit fixation of the I-shaped beam column, and the T-shaped locking rod located in the connecting ring will pop into the locking groove to achieve the fixed limit of the screw rod, increase the connection strength between the T-shaped connecting column and the I-shaped beam column, and increase the service life of the beam-column node. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the cross-sectional structure of the present invention;

[0014] Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0015] Figure 3 For the present invention Figure 1The enlarged structural diagram at B in the middle;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the I-shaped beam column of the present invention;

[0017] Figure 5 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 6 It is a schematic diagram of the three-dimensional structure of the gear ring of the present invention;

[0019] Figure 7 It is a cross-sectional structural schematic diagram of the connection relationship between the T-shaped connecting column and the I-shaped beam column of the present invention.

[0020] In the figure: 1. T-shaped connecting column; 2. I-shaped connecting groove; 3. movable plate; 4. second spring; 5. sliding groove; 6. screw; 7. gear ring; 8. gear; 9. connecting groove; 10. T-shaped clamping rod; 11. limiting cavity; 12. third spring; 13. limiting hole; 14. limiting rod; 15. giving way groove; 16. connecting block; 17. locking groove; 18. guide groove; 19. guide wheel; 20. connecting hole; 21. I-shaped beam column; 22. clamping groove; 23. connecting ring; 24. first spring; 25. internal threaded hole; 26. connecting cavity; 27. T-shaped locking rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-7 , the present invention provides a technical solution: Embodiment 1:

[0023] A beam-column node of an assembled steel structure, comprising a T-shaped connecting column 1 and an I-shaped beam column 21, wherein the three ends of the T-shaped connecting column 1 are provided with a plurality of connecting grooves 9, a gear 8 is provided in the connecting groove 9, a screw 6 is fixedly sleeved in the gear 8, the screw 6 is movably connected in the T-shaped connecting column 1, a rotating gear ring 7 drives a plurality of gears 8 screwed on the inner side thereof to rotate, the gear 8 rotates and drives the screw 6 to start rotating, at this time, the screw 6 moves along the internal threaded hole 25 and drives the I-shaped beam column 21 to move into the I-shaped connecting groove 2, both ends of the screw 6 extend out of the T-shaped connecting column 1, the gear 8 meshes with the gear ring 7, the gear ring 7 is movably connected in the T-shaped connecting column 1, the three ends of the T-shaped connecting column 1 are provided with an I-shaped connecting groove 2, the I-shaped beam column 21 can be connected to the T-shaped connecting column 1 by inserting its lower end into the I-shaped connecting groove 2, a sliding groove 5 is provided at one end of the I-shaped connecting groove 2 away from the screw 6, a movable plate 3 is slidably connected in the sliding groove 5;

[0024] Under the elastic force of the two groups of second springs 4, the movable plate 3 will always be in contact with the upper end of the sliding groove 5, ensuring that the two groups of limit rods 14 connected at the upper end of the connecting block 16 are always clamped into the limit hole 13, and the movable plate 3 is fixedly connected with two groups of connecting blocks 16 on the side close to the I-shaped connecting groove 2, and the connecting block 16 is slidably connected in the giving way groove 15. As the I-shaped beam column 21 continues to move along the I-shaped connecting groove 2, the movable plate 3 located in the sliding groove 5 is pushed by the I-shaped beam column 21 to start moving, and the movement of the movable plate 3 drives the two groups of connecting blocks 16 to move synchronously, and the movement of the connecting block 16 drives the two groups of limit rods 14 connected to its upper end to move synchronously;

[0025] The yield groove 15 is opened in the T-shaped connecting column 1, and the connecting block 16 is fixedly connected with two groups of limiting rods 14 at one end close to the I-shaped connecting groove 2. The limiting rod 14 extends into the limiting cavity 11 at one end away from the connecting block 16 and is clamped with the limiting hole 13. The limiting cavity 11 is opened in the T-shaped connecting column 1, and two groups of T-shaped clamping rods 10 are movably connected in the limiting cavity 11. The limiting hole 13 is opened in the T-shaped clamping rod 10. The opposite surfaces of the two groups of T-shaped clamping rods 10 are connected to each other through a group of third springs 12. The opposite backs of the two groups of T-shaped clamping rods 10 extend into the I-shaped connecting groove 2. When the connecting ring 23 contacts the T-shaped connecting column 1, the locking groove 17 opened in the lower side of the screw rod 6 moves to the position of the T-shaped locking rod 27. At this time, under the elastic force of the first spring 24, the T-shaped locking rod 27 is bounced into the locking groove 17, and the screw 6 is limited and cannot rotate.

[0026] Embodiment 2:

[0027] On the basis of Example 1, in order to connect the I-shaped beam column 21 with the T-shaped connecting column 1 and ensure that the gear ring 7 does not shake when rotating, a plurality of groups of clamping grooves 22 are opened in the lower end of the I-shaped beam column 21, and a connecting ring 23 is fixedly connected to the outer side of the I-shaped beam column 21. A plurality of groups of internal threaded holes 25 are opened in the connecting ring 23. A T-shaped locking rod 27 is arranged on the lower side of the internal threaded hole 25. The contact end of the T-shaped locking rod 27 and the screw 6 is arranged in an arc shape. The T-shaped locking rod 27 is slidably connected to the connecting cavity 26. The connecting cavity 26 is opened in the connecting ring 23. A first elastic The first spring 24 is fixedly connected to the T-shaped locking rod 27 at the other end. The upper end of the screw rod 6 is arranged in an arc shape. At the same time, each group of internal threaded holes 25 is provided with a group of T-shaped locking rods 27. At this time, the T-shaped locking rods 27 are received into the connecting cavity 26 under the extrusion of the screw rod 6. At this time, the first spring 24 is compressed. When the connecting ring 23 contacts the T-shaped connecting column 1, the locking groove 17 provided in the lower side of the screw rod 6 moves to the position of the T-shaped locking rod 27. At this time, under the elastic force of the first spring 24, the T-shaped locking rod 27 is ejected into the locking groove 17. At this time, the screw rod 6 is limited and cannot rotate.

[0028] Several groups of guide wheels 19 are fixedly connected to the upper and lower ends of the gear ring 7. The guide wheels 19 are slidably connected to the guide grooves 18. The guide grooves 18 are provided in the T-shaped connecting column 1. When the gear ring 7 starts to rotate, the several groups of guide wheels 19 connected at its upper and lower ends start to rotate along the guide grooves 18 to ensure that the gear ring 7 does not rock back and forth during rotation. Two groups of second springs 4 are fixedly connected to one end of the movable plate 3 away from the I-shaped connecting groove 2. The other end of the second spring 4 is fixedly connected to the sliding groove 5. A locking groove 17 is provided in the screw rod 6. When the T-shaped locking rod 27 is ejected into the locking groove 17, the screw rod 6 is limited and cannot rotate. Several groups of connecting holes 20 are provided in the outer side of the gear ring 7. The connecting holes 20 can be used to insert pry bars or objects used for leverage to facilitate users to rotate the gear ring 7.

[0029] In addition, in order to achieve the above-mentioned purpose, the present invention also provides a prefabricated building system, including the beam-column node of the above-mentioned prefabricated steel structure.

[0030] Working principle: when in use, the lower ends of the I-shaped beams 21 are respectively inserted into the corresponding I-shaped connecting grooves 2. When the threaded ends of several groups of screw rods 6 enter the internal threaded holes 25, since the upper ends of the screw rods 6 are arranged in an arc shape, and each group of internal threaded holes 25 is provided with a group of T-shaped locking rods 27, the T-shaped locking rods 27 are received into the connecting cavity 26 under the extrusion of the screw rods 6. At this time, the first spring 24 is compressed. When all the groups of screw rods 6 enter the internal threaded holes 25, the external pry bar is inserted into the connecting hole 20 and the gear ring 7 is rotated. The rotation of the gear ring 7 drives the several groups of gears 8 threaded on the inner side thereof to rotate synchronously.

[0031] The rotation of the gear 8 drives the screw 6 to start rotating. At this time, the screw 6 moves along the internal threaded hole 25 and drives the I-shaped beam 21 to move into the I-shaped connecting groove 2. As the I-shaped beam 21 continues to move along the I-shaped connecting groove 2, the movable plate 3 located in the sliding groove 5 is pushed by the I-shaped beam 21 to start moving. The movement of the movable plate 3 drives the two groups of connecting blocks 16 to move synchronously. The movement of the connecting block 16 drives the two groups of limiting rods 14 connected to its upper end to move synchronously. When the connecting ring 23 contacts the T-shaped connecting column 1 under the drive of several groups of screws 6, the gear ring 7 continues to rotate to increase the connection strength between the screw 6 and the internal threaded hole 25. At this time, the movable plate 3 is squeezed to the lowest end by the I-shaped beam 21, and the limiting rod 14 is completely separated from the limiting hole 13. At this time, under the elastic force of the third spring 12;

[0032] The T-shaped clamping rod 10 is clamped into the clamping groove 22 opened in the I-shaped beam column 21. At the same time, when the connecting ring 23 contacts the T-shaped connecting column 1, the locking groove 17 opened on the lower side of the screw rod 6 moves to the position of the T-shaped locking rod 27. At this time, under the elastic force of the first spring 24, the T-shaped locking rod 27 is bounced into the locking groove 17. At this time, the screw rod 6 is limited and cannot rotate. The remaining I-shaped beam columns 21 can be connected according to the above steps.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A beam-column node of an assembled steel structure, comprising a T-shaped connecting column (1) and an I-shaped beam-column (21), characterized in that: The three ends of the T-shaped connecting column (1) are provided with a plurality of connecting grooves (9), the connecting grooves (9) are provided with gears (8), a screw rod (6) is fixedly sleeved in the gear (8), the screw rod (6) is movably connected to the T-shaped connecting column (1), both ends of the screw rod (6) extend out of the T-shaped connecting column (1), the gears (8) are meshed with the gear ring (7), the gear ring (7) is movably connected to the T-shaped connecting column (1), the three ends of the T-shaped connecting column (1) are provided with I-shaped connecting grooves (2), the I-shaped connecting groove (2) is provided with a sliding groove (5) at one end away from the screw rod (6), a movable plate (3) is slidably connected in the sliding groove (5), two groups of connecting blocks (16) are fixedly connected to the side of the movable plate (3) close to the I-shaped connecting groove (2), and the connecting block (16) is slidably connected in the clearance groove (15); The giving way groove (15) is formed in the T-shaped connecting column (1); one end of the connecting block (16) close to the I-shaped connecting groove (2) is fixedly connected with two groups of limiting rods (14); one end of the limiting rod (14) away from the connecting block (16) extends into the limiting cavity (11) and is clamped with the limiting hole (13); the limiting cavity (11) is formed in the T-shaped connecting column (1); two groups of T-shaped clamping rods (10) are movably connected in the limiting cavity (11); the limiting hole (13) is formed in the T-shaped clamping rod (10); the opposite surfaces of the two groups of T-shaped clamping rods (10) are connected to each other via a group of third springs (12); the opposite surfaces of the two groups of T-shaped clamping rods (10) extend into the I-shaped connecting groove (2).

2. The beam-column node of a prefabricated steel structure according to claim 1, characterized in that: A plurality of groups of clamping grooves (22) are provided in the lower end of the I-shaped beam column (21); a connecting ring (23) is fixedly connected to the outer side of the I-shaped beam column (21); a plurality of groups of internal threaded holes (25) are provided in the connecting ring (23); a T-shaped locking rod (27) is provided in the lower side of the internal threaded hole (25); the T-shaped locking rod (27) is slidably connected to a connecting cavity (26); the connecting cavity (26) is provided in the connecting ring (23); a first spring (24) is fixedly connected to the connecting cavity (26); the other end of the first spring (24) is fixedly connected to the T-shaped locking rod (27).

3. The beam-column node of a prefabricated steel structure according to claim 1, characterized in that: A plurality of guide wheels (19) are fixedly connected to the upper and lower ends of the gear ring (7), and the guide wheels (19) are slidably connected in guide grooves (18). The guide grooves (18) are formed in the T-shaped connecting column (1).

4. The beam-column node of a prefabricated steel structure according to claim 1, characterized in that: Two groups of second springs (4) are fixedly connected to one end of the movable plate (3) away from the I-shaped connection groove (2), and the other end of the second spring (4) is fixedly connected to the sliding groove (5). A locking groove (17) is provided in the screw rod (6), and a plurality of groups of connection holes (20) are provided in the outer side of the gear ring (7).

5. An assembled building system, characterized in that: A beam-column node of a prefabricated steel structure comprising any one of claims 1-4.

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