Steel structure self-resetting beam-column combined joint device

By designing a steel structure self-resetting beam-column combination node device with vertical and horizontal reset components, the problem of steel structures being unable to self-reset after an earthquake was solved, achieving comprehensive structural restoration and improving seismic resistance.

CN223593551UActive Publication Date: 2025-11-25SHAANXI WEITE STEEL STRUCTURE TECH CO LTD
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Patent Information

Application Number
CN202423060199.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-25
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing steel structure beam-column composite joints are easily damaged and cannot self-reset during severe earthquakes, resulting in serious structural damage.

Method used

A self-resetting beam-column composite node device for steel structures, including vertical and horizontal reset components, was designed. Vertical and horizontal reset is achieved through the cooperation of bidirectional threaded rods and reset nuts. The reset plate and connecting rod provide support to ensure that the steel structure can return to its original state after an earthquake.

Benefits of technology

It effectively reduces damage to steel structures after earthquakes, improves seismic resistance, ensures that the connection of the structure does not completely detach, and achieves all-round reset.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a steel structure self-resetting beam column combination node device, which belongs to the technical field of steel structures and comprises a steel beam, a beam column and a vertical resetting assembly, the beam column is welded on the side wall of the steel beam, the side wall of the steel beam is fixedly connected with a steel sleeve, and the steel sleeve is sleeved outside the beam column. The vertical reset assembly comprises a two-way threaded rod rotationally connected to the inner bottom face of the steel sleeve through a bearing, and the top end of the two-way threaded rod is rotationally connected to the upper surface of the steel sleeve in a penetrating mode through a bearing. The vertical resetting assembly is arranged to reset the vertical relative position of the steel structure after an earthquake occurs and the steel structure is damaged, damage caused by the structure is reduced as much as possible, meanwhile, the transverse resetting assembly is arranged, power is provided for the transverse resetting assembly during vertical resetting, the two assemblies are matched with each other, and the vertical resetting assembly and the transverse resetting assembly are matched with each other. And therefore, the shock resistance of the steel structure is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure technical field especially relates to a steel structure self-resetting beam column combined node device. BACKGROUND

[0002] Steel structure beam column node is the important component in steel structure building, and its connecting mode directly influences the bearing capacity and stability of whole structure, and according to different connecting mode, steel structure beam column node can be divided into rigid node, semi-rigid node and hinged node three categories, according to different design requirement and building specific requirement, to select different connecting mode, to reach the best performance of structure.

[0003] The above prior art often still has the following problems when using:

[0004] The existing steel structure beam column combined node can cause serious loss to steel structure when experiencing some more serious earthquake disasters, and the fractured steel also cannot be reconnected, therefore the self-resetting steel structure beam column combined node needs that the structure itself has strong recovery ability, can reduce the damage of structure itself as far as possible after the earthquake. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a steel structure self-resetting beam column combined node device.

[0006] The embodiment of the utility model provides a steel structure self-resetting beam column combined node device, which comprises:

[0007] Steel beam and beam column, the beam column is welded on the side wall of steel beam, the steel beam side wall is fixedly connected with steel cover, and the steel cover is sleeved on the beam column outside;

[0008] Vertical reset component, the vertical reset component includes the double -threaded rod that is connected in the steel cover inner bottom surface through bearing rotation, the double -threaded rod top is connected on the steel cover upper surface through bearing penetration rotation, and the screw thread segment of opposite screw thread direction of double -threaded rod is connected with reset nut, and the side wall of two reset nuts is fixedly connected with no.

[0009] Horizontal reset component, the horizontal reset component is located in the steel cover.

[0010] Further, the horizontal reset component includes the force plate fixedly connected with the front surface of two reset nuts, the beam column both sides are respectively equipped with no.

[0011] Further, the inner wall of the steel sleeve is fixedly connected with sleeves, four support columns are slidably connected in the four sleeves, and the four support columns are fixedly connected with the upper surface of the upper reset plate, the bottom surface of the lower reset plate, the side wall of the No.

[0012] Further, the side of the No.

[0013] Further, springs are sleeved on the four guide rods.

[0014] Further, the top end of the bidirectional threaded rod is fixedly connected with a knob, and a plurality of protection grooves are equidistantly arranged on the surface of the knob.

[0015] Compared with the prior art, the steel structure self-resetting beam-column combined node device has the following beneficial effects:

[0016] In the steel structure self-resetting beam-column combined node device, the vertical reset assembly is arranged, after the earthquake occurs and the steel structure is damaged, the vertical reset assembly is operated to reset the vertical relative position of the steel structure, so that the damage of the structure is reduced as much as possible, and the anti-seismic capability is improved; meanwhile, the horizontal reset assembly is arranged to provide power for the horizontal reset assembly when the vertical reset is performed, and the two assemblies are matched with each other to realize omnidirectional reset. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the steel structure self-resetting beam-column combined node device.

[0018] Figure 2 It is an internal structure schematic view of the steel sleeve of the steel structure self-resetting beam-column combined node device.

[0019] Figure 3 It is a three-dimensional structure schematic view of the steel structure self-resetting beam-column combined node device.

[0020] Figure 4 It is a three-dimensional structure schematic view of the steel structure self-resetting beam-column combined node device from another perspective.

[0021] In the above drawings: 1 steel beam, 2 beam column, 3 steel sleeve, 4 bidirectional threaded rod, 5 reset nut, 6 No. 1 reset plate, 7 stress plate, 8 No. 2 reset plate, 9 No. 3 reset plate, 10 No. 1 connecting rod, 11 No. 2 connecting rod, 12 sleeve, 13 support column, 14 clamp plate, 15 guide rod, 16 spring. DETAILED DESCRIPTION

[0022] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0023] like Figures 1-4 As shown in the figure, this utility model embodiment proposes a steel structure self-resetting beam-column composite node device, including:

[0024] Steel beam 1 and beam-column 2 are provided. Beam-column 2 is welded to the side wall of steel beam 1. A steel sleeve 3 is fixedly connected to the side wall of steel beam 1 and fits over beam-column 2. A vertical reset assembly is provided, which includes a bidirectional threaded rod 4 rotatably connected to the inner bottom surface of steel sleeve 3 via a bearing. The top end of the bidirectional threaded rod 4 is rotatably connected to the upper surface of steel sleeve 3 via a bearing. Reset nuts 5 are threadedly connected to the opposite threaded sections of the bidirectional threaded rod 4. A reset plate 6 is fixedly connected to the side wall of each of the two reset nuts 5. A sleeve 12 is fixedly connected to the inner wall of steel sleeve 3. Each of the four sleeves 12 has a slidably connected support column 13. The four support columns 13 are respectively fixedly connected to the upper surface of the upper reset plate 6, the bottom surface of the lower reset plate 6, the side wall of the second reset plate 8, and the side wall of the third reset plate 9. The sliding limit between the sleeves 12 and the support columns 13 ensures that the movement of the two first reset plates 6, the second reset plate 8, and the third reset plate 9 will not be offset. A knob is fixedly connected to the top of the bidirectional threaded rod 4. The surface of the knob is provided with multiple protective grooves at equal intervals to facilitate the use of the staff.

[0025] The lateral reset assembly is located within the steel sleeve 3. It includes a load-bearing plate 7 fixedly connected to the front of two reset nuts 5. Second reset plates 8 and third reset plates 9 are respectively located on both sides of the beam-column 2. In the event of a severe earthquake causing a break in the connection between the beam-column 2 and the steel beam 1, the steel sleeve 3, the two first reset plates 6, the second reset plates 8, and the third reset plates 9 will provide support, preventing the steel structure from completely detaching. A first connecting rod is hinged between the second reset plate 8 and each of the two load-bearing plates 7. 10. A second connecting rod 11 is hinged between the third reset plate 9 and the two first reset plates 6. A clamping plate 14 is provided on the side of the second reset plate 8 and the third reset plate 9. Two guide rods 15 are fixedly connected to the side walls of the two clamping plates 14. The four guide rods 15 are slidably connected to the side walls of the second reset plate 8 and the third reset plate 9 in pairs. A spring 16 is sleeved on the outside of the four guide rods 15. The reset range provided by the second reset plate 8, the third reset plate 9 and the two clamping plates 14 is expanded by the springs 16.

[0026] The detailed working process of this utility model is as follows:

[0027] In use, when a serious earthquake disaster occurs, the welding position between the beam column 2 and the steel beam 1 is broken, the steel sleeve 3, the two first reset plates 6, the second reset plate 8 and the third reset plate 9 provide support, so that the steel structure does not completely separate, and then the knob is rotated to rotate the two-way threaded rod 4, when the two-way threaded rod 4 rotates, the two reset nuts 5 are not rotated with the two-way threaded rod 4 under the limiting action of the support column 13 on the surface of the two first reset plates 6 and the sleeve 12, and then the two reset nuts 5 are engaged and driven, so that the two reset nuts 5 move towards each other, when the steel structure needs to be reset, the two reset nuts 5 move towards each other, thereby driving the two first reset plates 6 to move towards each other, through the two horizontal first reset plates 6 gradually moving towards each other, the bent or angularly offset beam column is gradually supported in place, and the vertical reset is completed.

[0028] At the same time of vertical reset, the two reset nuts 5 and the first reset plate 6 move the second reset plate 8 and the third reset plate 9 through the hinged first connecting rod 10 and the second connecting rod 11, and the second reset plate 8 and the third reset plate 9 move towards each other, which can support the bent or angularly offset beam column in the horizontal direction, and the two reset assemblies cooperate with each other to complete the full-range reset of the beam column 2, thereby achieving the reset of the steel structure, maintaining the connection state of the steel structure as a whole, and improving the seismic capacity of the steel structure.

[0029] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced, without departing from the purpose and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A self-centering beam-column composite joint device of a steel structure, characterized in that, Include: Steel beam (1) and beam column (2), the beam column (2) is welded in the side wall of steel beam (1), the steel beam (1) side wall is fixedly connected with steel sleeve (3), the steel sleeve (3) is sleeved on the outer of beam column (2); Vertical reset assembly, the bidirectional screw rod (4) is rotatably connected to the inner bottom surface of steel sleeve (3) by bearing, the top end of bidirectional screw rod (4) is rotatably connected to the upper surface of steel sleeve (3) by bearing, the screw thread section of opposite screw direction of bidirectional screw rod (4) is threadedly connected with reset nut (5), the side wall of two reset nuts (5) is fixedly connected with a reset plate (6); Lateral reset assembly, the lateral reset assembly is arranged in the steel sleeve (3).

2. The self-centering beam-column panel point device of claim 1, wherein, Wherein: The lateral reset assembly includes a force plate (7) fixedly connected with the front surface of the two reset nuts (5), the beam column (2) is respectively provided with a second reset plate (8) and a third reset plate (9) on both sides, a first connecting rod (10) is hingedly connected between the second reset plate (8) and the two force plates (7), and a second connecting rod (11) is hingedly connected between the third reset plate (9) and the two first reset plates (6).

3. The self-centering beam-column panel point device of claim 2, wherein, Wherein: The inner wall of the steel sleeve (3) is fixedly connected with a sleeve (12), the four sleeves (12) are slidably connected with a support column (13), and the four support columns (13) are respectively fixedly connected with the upper surface of the upper first reset plate (6), the bottom surface of the lower first reset plate (6), the side wall of the second reset plate (8) and the side wall of the third reset plate (9).

4. The self-centering beam-column panel point device of claim 3, wherein, Wherein: The side of the second reset plate (8) and the third reset plate (9) is provided with a clamping plate (14), the side wall of the two clamping plates (14) is fixedly connected with two guide rods (15), and the four guide rods (15) are respectively slidably connected with the side wall of the second reset plate (8) and the third reset plate (9) in pairs.

5. The self-centering beam-column panel point device of claim 4, wherein, Wherein: The outer of the four guide rods (15) is sleeved with a spring (16).

6. The self-centering beam-column panel point device of a steel structure of claim 1, wherein, Wherein: The top end of the bidirectional screw rod (4) is fixedly connected with a knob, and the surface of the knob is equidistantly provided with a plurality of protection grooves.