CN211114138U - Beam column node safety device - Google Patents
Beam column node safety device Download PDFInfo
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- CN211114138U CN211114138U CN201921569330.7U CN201921569330U CN211114138U CN 211114138 U CN211114138 U CN 211114138U CN 201921569330 U CN201921569330 U CN 201921569330U CN 211114138 U CN211114138 U CN 211114138U
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Abstract
The utility model discloses a beam column node safety device, wherein the end part of an H-shaped steel beam is fixed on the side surface of an H-shaped steel column, a groove-shaped member is clamped on the end surface of the upper flange of the H-shaped steel beam, and the upper end of a diagonal draw bar is hinged on the side surface of the H-shaped steel column; the upper ends of the two outer side arc plates are fixed on the lower flange of the H-shaped steel beam, the lower end of the middle arc plate is fixed on the side surface of the H-shaped steel column, and the middle arc plate is positioned between the two outer side arc plates; the first energy dissipation component and the second energy dissipation component penetrate through the middle arc-shaped plate and the two outer arc-shaped plates; the upper end of each wave-shaped support energy dissipation component is fixed at the bottom of the lower flange of the H-shaped steel beam through the first rectangular base plate, and the lower end of each wave-shaped support energy dissipation component is fixed at the side face of the H-shaped steel column.
Description
Technical Field
The utility model belongs to civil engineering antidetonation and shock attenuation field relate to a beam column node safeties.
Background
The metal damper, especially the mild steel damper, is a shock-absorbing and shock-isolating component which consumes energy by utilizing the elastic-plastic deformation of metal when the metal is yielding, and is used for manufacturing energy-consuming shock absorbers of different types and structures because the metal has good hysteresis characteristics after entering a plastic state and absorbs a large amount of energy in the elastic-plastic deformation process. The force-bearing forms can be divided into an axial yielding type damper, a shear yielding type damper, a bending yielding type damper and a torsional yielding type damper, and the existing energy-consuming dampers include the following dampers: the energy dissipater comprises X-shaped and triangular energy dissipaters, torsion beam energy dissipaters, bending beam energy dissipaters, U-shaped steel plate energy dissipaters, steel bar energy dissipaters, circular ring energy dissipaters, double circular ring energy dissipaters, stiffening circular ring energy dissipaters and the like. Compared with other types of dampers such as viscoelastic type dampers, friction type dampers and viscous liquid type dampers, the metal damper is easy to process, stable in hysteresis performance, easy to replace, low in manufacturing cost and maintenance cost, and therefore widely applied to the field of seismic reinforcement and repair of engineering structures.
The damper can effectively absorb and consume seismic energy, so that the seismic response of the structure can be reduced or adjusted, and the safety of the structure is effectively protected. Among the methods for realizing the functional structure capable of being restored, the replaceable structure is the most operable at present, the replaceable structural component is arranged in the structure, the damage of the structure is mainly concentrated on the replaceable component in the strong earthquake, the energy of the earthquake input structure can be effectively dissipated by utilizing the replaceable structural component, the damaged replaceable component can be quickly replaced after the earthquake, and the normal use function of the structure can be restored as soon as possible.
The strength of a part of the structure is weakened, or a ductile energy consumption component is arranged on the part, the weakened part or the energy consumption component is arranged to be a replaceable component, and the replaceable component is connected with the main structure through a device which is convenient to disassemble, namely the structural system with the replaceable component. Under the earthquake action, the structure concentrates on the replaceable component to be damaged, the ductile replaceable component generates plastic deformation to dissipate earthquake input energy, the main body structure is protected from being damaged or only slightly damaged, the structural function can be recovered only by replacing the energy-consuming component after the earthquake action, and however, energy-consuming and shock-absorbing equipment of beam-column nodes is not involved in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a beam column node safeties, the device can realize the power consumption shock attenuation of beam column node, and simple to operate, destroys the back and changes easily.
In order to achieve the purpose, the beam column node safety device comprises an H-shaped steel beam, an H-shaped steel column, a groove-shaped member, a diagonal draw bar, a first energy consumption member, a middle arc-shaped plate, a second energy consumption member, two outer arc-shaped plates and a plurality of waveform supporting energy consumption members;
the end part of the H-shaped steel beam is fixed on the side surface of the H-shaped steel column, the groove-shaped member is clamped on the end surface of the upper flange of the H-shaped steel beam, and the upper end of the diagonal draw bar is hinged to the side surface of the H-shaped steel column;
the upper ends of the two outer side arc plates are fixed on the lower flange of the H-shaped steel beam, the lower end of the middle arc plate is fixed on the side surface of the H-shaped steel column, and the middle arc plate is positioned between the two outer side arc plates; the first energy dissipation component and the second energy dissipation component penetrate through the middle arc-shaped plate and the two outer arc-shaped plates;
the upper end of each wave-shaped support energy dissipation component is fixed at the bottom of the lower flange of the H-shaped steel beam through a first rectangular base plate, and the lower end of each wave-shaped support energy dissipation component is fixed on the side face of the H-shaped steel column.
The upper end of the diagonal draw bar is hinged to the side face of the H-shaped steel column through a hinged joint and a second rectangular base plate.
The inner surface of the channel member is provided with a high hardness rough coating.
The waveform supporting energy dissipation component is made of transverse waveform steel with a bending angle of 135 degrees and an isosceles trapezoid cross section, wherein the length of the lower bottom and the length of the waist of the isosceles trapezoid are the same.
The fixing plate is further included, wherein the lower end of the fixing plate is fixed in the middle of the outer side arc-shaped plate, and the upper end of the fixing plate is fixed at the bottom of the lower flange of the H-shaped steel beam.
And a connecting plate is fixed at the lower end of the middle arc-shaped plate and is fixed on the side surface of the H-shaped steel column through a bolt.
And a first rectangular through hole used for penetrating the first energy consumption component and a second rectangular through hole used for penetrating the second energy consumption component are respectively arranged on the middle arc-shaped plate and the outer arc-shaped plate, wherein the size of the first rectangular through hole is larger than that of the first energy consumption component, and the size of the second rectangular through hole is larger than that of the second energy consumption component.
The utility model discloses following beneficial effect has:
the beam column node safety device of the utility model adopts the mode that the diagonal draw bar and the groove-shaped component are used as safety and friction to consume energy when in concrete operation, the wave-shaped support energy consumption component plays the role of support and energy consumption, the middle arc-shaped plate and the two outer arc-shaped plates support the steel beam, the energy consumption part comprises the friction force between the groove-shaped component and the flange of the steel beam, the wave-shaped support energy consumption component, the first energy consumption component and the second energy consumption component, when the H-shaped steel beam generates overlarge deflection, the energy consumption is carried out by the up-and-down movement of the two outer arc-shaped plates and the deformation of the wave-shaped support energy consumption component, and the steel beam is prevented from further damage by the protection system consisting of the diagonal draw bar and the groove-shaped component, thereby the node is not damaged or slightly damaged, the stability of the whole structure is ensured, and the quick replacement can be effectively realized after the stress is damaged.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a right side view of the lower portion of the H-shaped steel beam 2 of the present invention;
FIG. 4 is a schematic view of the upper portion of the H-shaped steel beam 2 of the present invention;
fig. 5a is a schematic view of a first energy dissipating member 9 according to the present invention;
fig. 5b is a schematic view of a second energy dissipating member 10 according to the present invention;
FIG. 6 is a schematic view of a Y-shaped support member of the present invention;
fig. 7 is a schematic view of the middle wave-shaped supporting energy dissipation member 5 of the present invention.
Wherein, 1 is H shaped steel post, 2 is H shaped steel roof beam, 3 is the diagonal draw bar, 4 is the cell type component, 5 is wave form support power consumption component, 61 is the fixed plate, 62 is outside arc, 7 is middle part arc plate, 8 is the second rectangle through-hole, 9 is first power consumption component, 10 is the second power consumption component, 11 is the articulated joint, 12 is first rectangle backing plate, 13 is the second rectangle backing plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 to 7, the beam-column joint safety device of the present invention includes an H-shaped steel beam 2, an H-shaped steel column 1, a groove-shaped member 4, a diagonal draw bar 3, a first energy dissipation member 9, a middle arc-shaped plate 7, a second energy dissipation member 10, two outer arc-shaped plates 62, and a plurality of wave-shaped supporting energy dissipation members 5; the end part of the H-shaped steel beam 2 is fixed on the side surface of the H-shaped steel column 1, the groove-shaped member 4 is clamped on the end surface of the upper flange of the H-shaped steel beam 2, and the upper end of the diagonal draw bar 3 is hinged on the side surface of the H-shaped steel column 1; the upper ends of the two outer arc-shaped plates 62 are fixed on the lower flange of the H-shaped steel beam 2, the lower end of the middle arc-shaped plate 7 is fixed on the side surface of the H-shaped steel column 1, and the middle arc-shaped plate 7 is positioned between the two outer arc-shaped plates 62; the first energy dissipation component 9 and the second energy dissipation component 10 both penetrate through the middle arc-shaped plate 7 and the two outer arc-shaped plates 62; the upper end of each wave-shaped supporting energy dissipation component 5 is fixed at the bottom of the lower flange of the H-shaped steel beam 2 through a first rectangular base plate 12, and the lower end of each wave-shaped supporting energy dissipation component 5 is fixed at the side surface of the H-shaped steel column 1.
The upper end of the diagonal draw bar 3 is hinged to the side surface of the H-shaped steel column 1 through a hinged joint 11 and a second rectangular backing plate 13; the inner surface of the groove-shaped component 4 is provided with a high-hardness rough coating; the waveform supporting energy dissipation member 5 is made of transverse waveform steel with a bending angle of 135 degrees and an isosceles trapezoid cross section, wherein the length of the lower bottom and the length of the waist of the isosceles trapezoid are the same.
The utility model discloses still include fixed plate 61, wherein, the lower extreme of fixed plate 61 is fixed in the middle part of outside arc 62, and the bottom on the H shaped steel roof beam 2 lower flange is fixed in to the upper end of fixed plate 61.
And a connecting plate is fixed at the lower end of the middle arc-shaped plate 7 and is fixed on the side surface of the H-shaped steel column 1 through bolts.
A first rectangular through hole for passing through the first energy consumption member 9 and a second rectangular through hole 8 for passing through the second energy consumption member 10 are respectively arranged on the middle arc-shaped plate 7 and the outer arc-shaped plate 62, wherein the size of the first rectangular through hole is larger than that of the first energy consumption member 9, and the size of the second rectangular through hole 8 is larger than that of the second energy consumption member 10.
The diagonal draw bars 3, the corrugated support energy dissipation members 5, the first energy dissipation members 9, the middle arc-shaped plate 7, the second energy dissipation members 10 and the groove-shaped members 4 are all made of low-yield-point mild steel with yield strength of 100-190 MPa; the H-shaped steel column 1, the H-shaped steel beam 2, the outer arc-shaped plate 62, the middle arc-shaped plate 7 and the fixing plate 61 are all made of ordinary steel with the yield strength of 235 MPa.
When the steel beam generates deflection, the protection system formed by the diagonal draw bars 3 and the channel members 4 can effectively prevent the steel beam from further deforming.
Rectangular long holes are dug in the middle of the first energy consumption component 9 and the second energy consumption component 10 or semicircular holes are dug in the two sides of the first energy consumption component and the second energy consumption component.
The two outer arc plates 62 and the fixing plates 61 connected thereto constitute two Y-shaped supporting members, wherein when the steel beam is deflected, the Y-shaped supporting members can effectively prevent the steel beam from being excessively deformed, and at the same time, the energy dissipation members begin to dissipate energy.
When the beam-column joint is deformed, the corrugated support energy dissipation member 5 can absorb energy to prevent the beam-column joint from being damaged.
After an earthquake occurs, firstly, a protection system consisting of the diagonal draw bars 3 and the groove-shaped members 4 protects the steel beam from generating excessive deformation, the wave-shaped support energy dissipation members 5, the first energy dissipation members 9 and the second energy dissipation members 10 generate energy dissipation deformation, the Y-shaped support members play a supporting role, the structure is guaranteed not to be damaged, and the structure can be detached and replaced after the earthquake occurs.
Frame construction warp through the power consumption, the large amount of energy of dissipation carries out quick change after taking place to destroy simultaneously, never reaches the protection to the structure, realizes safe and economic purpose.
Claims (7)
1. A beam column node safety device is characterized by comprising an H-shaped steel beam (2), an H-shaped steel column (1), a groove-shaped member (4), a diagonal draw bar (3), a first energy dissipation member (9), a middle arc-shaped plate (7), a second energy dissipation member (10), two outer arc-shaped plates (62) and a plurality of waveform supporting energy dissipation members (5);
the end part of the H-shaped steel beam (2) is fixed on the side surface of the H-shaped steel column (1), the groove-shaped member (4) is clamped on the end surface of the upper flange of the H-shaped steel beam (2), and the upper end of the diagonal draw bar (3) is hinged on the side surface of the H-shaped steel column (1);
the upper ends of the two outer side arc plates (62) are fixed on the lower flange of the H-shaped steel beam (2), the lower end of the middle arc plate (7) is fixed on the side surface of the H-shaped steel column (1), and the middle arc plate (7) is positioned between the two outer side arc plates (62); the first energy dissipation component (9) and the second energy dissipation component (10) penetrate through the middle arc-shaped plate (7) and the two outer arc-shaped plates (62);
the upper end of each wave-shaped supporting energy dissipation component (5) is fixed to the bottom of the lower flange of the H-shaped steel beam (2) through a first rectangular base plate (12), and the lower end of each wave-shaped supporting energy dissipation component (5) is fixed to the side face of the H-shaped steel column (1).
2. A beam-column joint safety device according to claim 1, characterized in that the upper ends of the diagonal draw bars (3) are hinged to the sides of the H-section steel column (1) by means of a hinged joint (11) and a second rectangular backing plate (13).
3. A beam-column joint fuse according to claim 1, characterised in that the inner surface of the channel member (4) is provided with a high hardness rough coating.
4. The beam-column node safety device according to claim 1, characterized in that the corrugated supporting energy dissipation member (5) is made of transverse corrugated steel with a bending angle of 135 ° and a cross section of isosceles trapezoid, wherein the length of the lower base and the waist of the isosceles trapezoid is the same.
5. The beam-column joint safety device according to claim 1, further comprising a fixing plate (61), wherein the lower end of the fixing plate (61) is fixed to the middle of the outer arc plate (62), and the upper end of the fixing plate (61) is fixed to the bottom of the lower flange of the H-shaped steel beam (2).
6. The beam-column joint safety device according to claim 1, characterized in that the lower end of the middle arc-shaped plate member (7) is fixed with a connecting plate, and the connecting plate is fixed on the side surface of the H-shaped steel column (1) through bolts.
7. The beam-column joint safety device according to claim 1, wherein the middle arc-shaped plate (7) and the outer arc-shaped plate (62) are respectively provided with a first rectangular through hole for passing through the first energy dissipation member (9) and a second rectangular through hole (8) for passing through the second energy dissipation member (10), wherein the first rectangular through hole is larger than the first energy dissipation member (9), and the second rectangular through hole (8) is larger than the second energy dissipation member (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569330.7U CN211114138U (en) | 2019-09-19 | 2019-09-19 | Beam column node safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921569330.7U CN211114138U (en) | 2019-09-19 | 2019-09-19 | Beam column node safety device |
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| CN211114138U true CN211114138U (en) | 2020-07-28 |
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| CN201921569330.7U Active CN211114138U (en) | 2019-09-19 | 2019-09-19 | Beam column node safety device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110632A (en) * | 2022-08-10 | 2022-09-27 | 福建江夏学院 | Self-resetting assembly type concrete beam column energy dissipation node and construction method |
| CN115217218A (en) * | 2021-04-16 | 2022-10-21 | 上海浦东建筑设计研究院有限公司 | Multi-hinge energy-consumption assembled type detachable space steel structure node and assembling method thereof |
| CN116181105A (en) * | 2023-02-14 | 2023-05-30 | 天津大学 | Detachable beam column node reinforcement member |
| CN116927337A (en) * | 2023-05-26 | 2023-10-24 | 中铁四局集团有限公司 | Steel pipe concrete column-prestressed reinforced concrete beam connection node |
-
2019
- 2019-09-19 CN CN201921569330.7U patent/CN211114138U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217218A (en) * | 2021-04-16 | 2022-10-21 | 上海浦东建筑设计研究院有限公司 | Multi-hinge energy-consumption assembled type detachable space steel structure node and assembling method thereof |
| CN115110632A (en) * | 2022-08-10 | 2022-09-27 | 福建江夏学院 | Self-resetting assembly type concrete beam column energy dissipation node and construction method |
| CN115110632B (en) * | 2022-08-10 | 2023-05-12 | 福建江夏学院 | Self-resetting assembled concrete beam column energy consumption node and construction method |
| CN116181105A (en) * | 2023-02-14 | 2023-05-30 | 天津大学 | Detachable beam column node reinforcement member |
| CN116181105B (en) * | 2023-02-14 | 2023-12-29 | 天津大学 | Detachable beam column node reinforcement member |
| CN116927337A (en) * | 2023-05-26 | 2023-10-24 | 中铁四局集团有限公司 | Steel pipe concrete column-prestressed reinforced concrete beam connection node |
| CN116927337B (en) * | 2023-05-26 | 2024-03-15 | 中铁四局集团有限公司 | Steel pipe concrete column-prestressed reinforced concrete beam connection node |
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