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CN-224213536-U - Cantilever beam rigid connection structure capable of improving building safety performance

CN224213536UCN 224213536 UCN224213536 UCN 224213536UCN-224213536-U

Abstract

The utility model relates to the technical field of building structures, in particular to a cantilever beam rigid connection structure capable of improving building safety performance, which comprises a cross beam, wherein a vertical beam is arranged on the lower side of the cross beam; the beam and the vertical beam are internally provided with a combined rib mechanism for enhancing the structural strength and optimizing the mechanical property, one side of the beam and the vertical beam, which is close to the combined rib mechanism, is provided with a slotted hole mechanism for enhancing the combined rib mechanism to be connected with the beam and the vertical beam and optimizing the stress distribution, and the combined rib mechanism is matched with the slotted hole mechanism to be installed with the beam and the vertical beam, so that the beam and the vertical beam can transmit vertical force and horizontal force at the joint, the whole combined rib mechanism forms a cooperative whole when resisting shearing force, the phenomenon of stress concentration is avoided, and the technical problem that the cantilever beam rigid connection structure is easy to generate structural damage due to overlarge local stress when bearing larger load is solved.

Inventors

  • CHEN JIAHUA
  • YU XULIANG
  • ZHU RENZHI
  • ZHANG HAO

Assignees

  • 宁波市城建设计研究院有限公司
  • 宁麓置地(宁波)有限公司

Dates

Publication Date
20260508
Application Date
20250507

Claims (8)

  1. 1. The cantilever beam rigid connection structure capable of improving the safety performance of the building comprises a cross beam (1), wherein a vertical beam (11) is arranged on the lower side of the cross beam (1), and the cantilever beam rigid connection structure is characterized by further comprising a combined rib mechanism, a slotted hole mechanism and a guide mechanism; The beam (1) and the vertical beam (11) are internally provided with a combined rib mechanism for enhancing the structural strength and optimizing the mechanical property; A slotted hole mechanism for enhancing the connection strength between the combined rib mechanism and the cross beam (1) and between the combined rib mechanism and the vertical beam (11) is arranged on one side, close to the combined rib mechanism, in the cross beam (1) and the vertical beam (11); the combined rib mechanism is provided with a guide mechanism for assisting the combined rib mechanism in carrying out positioning welding.
  2. 2. The cantilever beam rigid connection structure capable of improving the safety performance of a building according to claim 1, wherein the combined rib mechanism comprises a U-shaped rib mechanism, a connecting mechanism and a shearing resistant mechanism; The beam (1) is provided with a U-shaped rib mechanism for restraining concrete to strengthen the shearing resistance; the U-shaped rib mechanism is provided with a connecting mechanism for enhancing the connection stability of the U-shaped rib mechanism; The vertical beam (11) is provided with a shearing mechanism for improving the shearing bearing capacity of the vertical beam (11) and enhancing the structural integrity of the U-shaped rib mechanism.
  3. 3. The cantilever beam rigid connection structure capable of improving the safety performance of a building according to claim 2, wherein the U-shaped rib mechanism comprises a first U-shaped stirrup (2), a second U-shaped stirrup (21) and a connecting ring (22); The first U-shaped stirrup (2) is arranged in the cross beam (1); The second U-shaped stirrup (21) is arranged on one side of the vertical beam (11) far away from the cross beam (1); The connecting ring (22) is connected with the second U-shaped stirrup (21).
  4. 4. The cantilever beam rigid connection structure capable of improving the safety performance of a building according to claim 2, wherein the connecting mechanism comprises a main rib (23) and an auxiliary rib (24); The main reinforcement (23) is arranged above the first U-shaped stirrup (2) and the second U-shaped stirrup (21); One end of the auxiliary rib (24) is welded with the main rib (23), and the other end of the auxiliary rib (24) is arranged in the cross beam (1).
  5. 5. The cantilever beam rigid connection structure capable of improving the safety performance of a building according to claim 2, wherein the shear mechanism comprises a first shear rib (25) and a second shear rib (26); the first shearing resistant ribs (25) are arranged in the cross beam (1); The second shearing resistant rib (26) is arranged on one side of the cross beam (1) close to the first shearing resistant rib (25), and the second shearing resistant rib (26) is spliced with the connecting ring (22).
  6. 6. The cantilever beam rigid connection structure capable of improving the safety performance of a building according to claim 5, wherein the first shear rib (25) is further provided with a transverse rib (27) and a fixing ring (28); one end of the first shear rib (25) is welded with the middle part of the transverse rib (27); The fixing rings (28) are welded with the two ends of the transverse ribs (27) respectively, and the fixing rings (28) are sleeved with the two ends of the second U-shaped stirrups (21).
  7. 7. The cantilever beam rigid connection structure capable of improving the safety performance of a building according to claim 1, wherein the slotted hole mechanism comprises a first rib groove (29) and a second rib groove (210); The first rib groove (29) is formed in one side, close to the auxiliary rib (24), of the cross beam (1), and the first rib groove (29) is used for being vertically inserted into the cross beam (1) in a matched mode; The second rib groove (210) is formed in one side, close to the first U-shaped stirrup (2), of the cross beam (1), and the second rib groove (210) is used for being matched with the first U-shaped stirrup (2) to be vertically inserted into the cross beam (1).
  8. 8. The cantilever beam rigid connection structure capable of improving the safety performance of a building according to claim 1, wherein the guide mechanism comprises a screw groove (211), a bolt (212) and a collar (213); the spiral groove (211) is formed in the first U-shaped stirrup (2) and the second U-shaped stirrup (21); the bolt (212) is in threaded connection with the screw groove (211); the collar (213) is rotatably arranged on the bolt (212), and the collar (213) is sleeved with the main rib (23).

Description

Cantilever beam rigid connection structure capable of improving building safety performance Technical Field The utility model relates to the technical field of building structures, in particular to a cantilever beam rigid connection structure capable of improving building safety performance. Background A cantilever beam is a beam that extends beyond a wall or support structure. The cantilever beam is characterized in that the two ends of the beam are not directly supported on a wall or a column, but are cantilevered at a certain length, and generally, in order to provide a larger space or support a structure above, the rigid connection refers to a joint formed by rigid connection between structural members. In the building, rigid connection generally means that two members are connected together through welding, bolts (212) or other fixing modes, and relative rotation or displacement is not allowed to occur at the connection part, so that the cantilever beam rigid connection structure refers to a design of rigid connection between the cantilever beam and the supporting structure; The utility model discloses a cantilever steel beam rigid joint of a concrete structure, which comprises a concrete beam and a cantilever beam, wherein one end of the cantilever beam is poured into the concrete beam, a reinforcing plate is fixedly sleeved on the cantilever beam, the reinforcing plate is positioned at the end part of the cantilever beam or the end part of the concrete beam, the concrete beam comprises Liang Lajin and stirrups, liang Lajin is distributed at the outer side of the cantilever beam, the stirrups surround a beam lacing wire, the reinforcing plate is welded with Liang Lajin, stiffening ribs are welded on both sides of the reinforcing plate, and the stiffening ribs are welded on the cantilever beam. The utility model is characterized in that the cantilever beam is poured in the concrete beam, and the reinforcing plate is sleeved on the cantilever beam, so that the shearing strength between the concrete beam and the cantilever beam is improved, but when the cantilever beam is reinforced and connected with the concrete beam, the reinforcing plate, the stiffening ribs and other parts are mainly relied on, and in the aspect of stress distribution, the stress is difficult to be dispersed more uniformly, so that the stress concentration point and the stress transmission path are not clear, and when the cantilever beam bears a large load, structural damage is easy to occur due to overlarge local stress, therefore, the cantilever beam rigid connection structure capable of improving the building safety performance is provided. Disclosure of utility model Aiming at the problems, the cantilever beam rigid connection structure capable of improving the building safety performance is provided, and the combined rib mechanism is matched with the slotted hole mechanism to be installed with the cross beam and the vertical beam, so that the whole combined rib mechanism forms a whole in cooperative work when resisting shearing force, the phenomenon of stress concentration is avoided, and the technical problem that the cantilever beam rigid connection structure is easy to be damaged due to overlarge local stress when bearing a large load is solved. The cantilever beam rigid connection structure comprises a cross beam, wherein a vertical beam is arranged on the lower side of the cross beam, a combined rib mechanism, a slotted hole mechanism and a guide mechanism are arranged in the cross beam and the vertical beam, the combined rib mechanism used for enhancing structural strength and optimizing mechanical properties is arranged in the cross beam and the vertical beam, the slotted hole mechanism used for enhancing the connection strength of the combined rib mechanism and the cross beam and the combined rib mechanism and the vertical beam is arranged on one side, close to the combined rib mechanism, in the cross beam and the vertical beam, and the guide mechanism used for assisting the combined rib mechanism to carry out positioning welding is arranged on the combined rib mechanism. Preferably, the combined rib mechanism comprises a U-shaped rib mechanism, a connecting mechanism and a shearing mechanism, wherein the cross beam is provided with the U-shaped rib mechanism for restraining concrete to enhance the shearing performance, the U-shaped rib mechanism is provided with the connecting mechanism for enhancing the connection stability of the U-shaped rib mechanism, and the vertical beam is provided with the shearing mechanism for improving the shearing bearing capacity of the vertical beam and enhancing the structural integrity of the U-shaped rib mechanism. Preferably, the U-shaped stirrup mechanism comprises a first U-shaped stirrup, a second U-shaped stirrup and a connecting ring, wherein the first U-shaped stirrup is arranged in the cross beam, the second U-shaped stirrup is arranged on one side of the vertical beam, which i