CN110965662A - Energy-consuming connecting beam - Google Patents
Energy-consuming connecting beam Download PDFInfo
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- CN110965662A CN110965662A CN201911250671.2A CN201911250671A CN110965662A CN 110965662 A CN110965662 A CN 110965662A CN 201911250671 A CN201911250671 A CN 201911250671A CN 110965662 A CN110965662 A CN 110965662A
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- energy
- plate
- coupling beam
- consuming
- magnetic pole
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention relates to an energy-consuming connecting beam which comprises a yield energy-consuming assembly and an eddy current damping energy-consuming assembly, wherein the yield energy-consuming assembly and the eddy current damping energy-consuming assembly are connected with connecting beam end plates, the yield energy-consuming assembly comprises a first yield part and a second yield part, the eddy current damping energy-consuming assembly is positioned between the first yield part and the second yield part, the eddy current damping energy-consuming assembly comprises a gear, a meshing part meshed with the gear, a cutting plate and a magnetic pole body, the gear, the cutting plate and the magnetic pole body are coaxially arranged, the magnetic pole body is connected with one connecting beam end plate, the meshing part is connected with the other connecting beam end plate, when the two connecting beam end plates generate displacement, the yield energy-consuming assembly consumes energy, the gear drives the gear to rotate, the gear drives the cutting plate to cut a magnetic induction. Compared with the prior art, the eddy current damping effect is obvious, the full-stage energy consumption can be realized, the quick replacement after the earthquake is easy, and the energy consumption effect is easy to change.
Description
Technical Field
The invention relates to the field of earthquake resistance, disaster prevention and reduction of civil engineering structures, in particular to an energy-consuming connecting beam.
Background
The reinforced concrete shear wall is one of the most widely applied lateral force resistant components in high-rise and super high-rise buildings at present, most earthquake shear force of the whole structure is born by the shear wall, the earthquake resistant performance of the shear wall is very important for the earthquake resistant safety of the structure, and the damage of the shear wall after the earthquake is difficult to repair, so that huge economic loss, resource waste and social influence are caused. The connecting beam is used as an important component in the shear wall and connects all the wall limbs, so that the connecting beam not only has the functions of adjusting and ensuring the lateral rigidity of the shear wall, but also is used as a first seismic line and has the function of consuming seismic energy.
At present, an eddy current damper with a large damping coefficient is difficult to manufacture in an energy-consuming connecting beam.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an energy-consuming connecting beam.
The purpose of the invention can be realized by the following technical scheme:
the energy-consuming type coupling beam comprises a yielding energy-consuming assembly and an eddy current damping energy-consuming assembly, wherein the yielding energy-consuming assembly is connected with a coupling beam end plate and comprises a first yielding piece and a second yielding piece, the eddy current damping energy-consuming assembly is positioned between the first yielding piece and the second yielding piece and comprises a gear, a meshing piece, a cutting plate and a magnetic pole body, the meshing piece is meshed with the gear, the cutting plate and the magnetic pole body are coaxially arranged, the magnetic pole body is connected with one coupling beam end plate, the meshing piece is connected with the other coupling beam end plate, when the two coupling beam end plates generate displacement, the yielding energy-consuming assembly consumes energy, the meshing piece drives the gear to rotate, the gear drives the cutting plate to cut a magnetic induction line, and energy consumption of the eddy current damping energy-consuming assembly is achieved.
The eddy current damping energy dissipation assembly comprises a plurality of layers of cutting plates and a plurality of layers of magnetic pole bodies, the plurality of layers of cutting plates and the plurality of layers of magnetic pole bodies are coaxially arranged at intervals, and when the two connecting beam end plates produce displacement, the gears drive the plurality of layers of cutting plates to cut magnetic induction lines.
The magnetic pole body comprises an inner ring permanent magnet and an outer ring permanent magnet which are coaxial within the coverage range of the cutting plate, the inner ring permanent magnet and the outer ring permanent magnet are fixed on a fixed plate, the fixed plate is connected with a connecting beam end plate, the inner ring permanent magnet and the outer ring permanent magnet are consistent in the radial magnetic pole direction, alternate change is carried out along the circumferential magnetic pole direction, and the axial magnetic pole direction is consistent.
The gear, the cutting plate and the fixed plate are connected through the shaft body, the fixed plate is connected with the shaft body through the bearing, and the cutting plate and the bearing are connected with the shaft body in a key mode.
First yield and second yield the I-shaped steel that the piece was equipped with the through-hole for the web, the web passes through the end plate and can dismantle with even beam end plate and be connected.
The through holes are rhombic.
The web plate is an LYP225 steel web plate, and the wing plate of the I-shaped steel is a Q345 steel wing plate.
The cutting plate is a copper plate.
Compared with the prior art, the invention has the following advantages:
(1) the eddy current damping effect is obvious: through the cooperation of meshing piece and gear, when two even roof beam end plates produced the displacement, turned into the rotation of gear with the displacement, made the speed of cutting magnetic induction line enlarge through the cutting board, promoted the power consumption effect of eddy current damping power consumption part by a wide margin, solved the problem that eddy current damping is difficult to make the attenuator of big damping coefficient.
(2) Energy consumption in all stages: the eddy current damping energy dissipation assembly is of a speed-related type, and the yield energy dissipation assembly is of a displacement-related type. The shear displacement of the connecting beam end plate is small under the action of wind vibration or small vibration, the yielding energy consumption component does not yield and only provides lateral rigidity, and the eddy current damping energy consumption component can dissipate energy input by the structure; the shear displacement of the connecting beam end plate is larger under the action of medium or large earthquake, the yield energy dissipation component yields, and the eddy current damping energy dissipation component and the yield energy dissipation component are combined to dissipate energy, so that the full-stage energy dissipation under wind vibration, small earthquake, medium earthquake and large earthquake is realized.
(3) The eddy current damping energy dissipation assembly comprises a plurality of layers of cutting plates and a plurality of layers of magnetic pole bodies, and the energy dissipation effect of the eddy current damping energy dissipation assembly can be effectively enhanced.
(4) The inner ring permanent magnet and the outer ring permanent magnet are consistent in the radial magnetic pole direction, alternate change is performed in the circumferential magnetic pole direction, and the axial magnetic pole direction is consistent, so that the energy consumption effect of the eddy current damping energy consumption assembly is remarkably improved.
(5) Energy consumption type coupling beam with different energy consumption effects is easy to design: the size of the permanent magnet, the size of the cutting plate, the size of the shaft body, the air gap between the permanent magnet and the cutting plate, the number of layers of the cutting plate and the magnetic pole body, the size of the rhombic through hole and other parameters are easy to adjust, the influence on the energy consumption effect is large, and the energy consumption type connecting beam with different energy consumption effects is easy to design.
(6) The quick replacement after the earthquake is easy: in the process of generating damping force, the primary and the secondary of the eddy current damping energy dissipation assembly are not in contact, the loss is small, and the eddy current damping energy dissipation assembly is not required to be replaced after a general earthquake, so that only the yield energy dissipation assembly is required to be replaced, the web plate is detachably connected with the connecting beam end plate through the end plate, the fast replacement after the earthquake is easy, and the restorability of the structural function is realized.
(7) The through holes are rhombic and have moderate tensile strain and compressive strain, so that the yielding energy dissipation assembly provides lateral rigidity during wind vibration or small earthquake and yields under medium and large earthquakes.
(8) The LYP225 steel has low yield strength and good ductility, can be brought into a yield state early, and has good energy consumption capability.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of a rack and pinion configuration of the present invention;
FIG. 4 is a layout of inner and outer ring permanent magnets on the upper surface of a stationary plate according to the present invention;
FIG. 5 is a layout of inner and outer permanent magnets on the lower surface of a fixed plate according to the present invention;
reference numerals:
11 is a rack; 12 is a shaft body; 13 is a first copper plate; 14 is a second copper plate; 15 is a third copper plate; 16 is a fourth copper plate; 17 is a bearing; 18 is a first fixing plate; 19 is a second fixing plate; 110 is a third fixing plate; 111 is a fourth fixing plate; 112 is an inner ring permanent magnet; 113 is an outer ring permanent magnet; 21 is a web plate; 22 is a wing plate; 23 is a through hole; 24 is an end plate; 31 is a connecting beam end plate; 41 is a high-strength bolt; 42 is a self-tapping screw.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
The embodiment provides an energy-consuming type coupling beam, including the yield energy-consuming assembly and the eddy current damping energy-consuming assembly that are connected with coupling beam end plate 31, the yield energy-consuming assembly includes that first yield piece and second yield piece, eddy current damping energy-consuming assembly is located between first yield piece and the second yield piece, eddy current damping energy-consuming assembly includes rack 11, gear, cutting board and magnetic pole body, and gear, cutting board and magnetic pole body are coaxial to be arranged, and the magnetic pole body is connected with a coupling beam end plate 31, and rack 11 with gear engagement is connected with another coupling beam end plate 31, and when two coupling beam end plates 31 produced the displacement, the yield energy-consuming assembly consumed energy, and rack 11 drives the gear and rotates, and the gear drives the cutting board and cuts magnetic induction line, realizes the energy-consuming of eddy current damping energy-consuming assembly.
Specifically, the method comprises the following steps:
as shown in fig. 1 and 2, the first yielding member and the second yielding member are i-shaped steel with a web plate 21 provided with a diamond-shaped through hole with a certain size, two ends of the wing plate 22 and the web plate 21 are detachably connected with two connecting beam end plates 31 through two end plates 24, two ends of the wing plate 22 and the web plate 21 are welded with the two end plates 24, the web plate 21 is made of LYP225 low-yielding steel, and the wing plate 22 is made of Q345 steel.
As shown in fig. 1 to 3, the eddy current damping energy consumption assembly includes a plurality of layers of cutting plates and a plurality of layers of magnetic pole bodies, the plurality of layers of cutting plates and the plurality of layers of magnetic pole bodies are coaxially arranged at intervals, when two coupling beam end plates 31 generate displacement, a gear drives the plurality of layers of cutting plates to cut magnetic induction lines, the magnetic pole bodies include an inner ring permanent magnet 112 and an outer ring permanent magnet 113 which are coaxial within a coverage range of the cutting plates, as shown in fig. 4 and 5, the inner ring permanent magnet 112 and the outer ring permanent magnet 113 are fixed on a fixed plate, the inner ring permanent magnet 112 and the outer ring permanent magnet 113 are arranged on both surfaces of the fixed plate, the fixed plate is connected with one coupling beam end plate 31, the inner ring permanent magnet 112 and the outer ring permanent magnet 113.
The cutting plate of this embodiment is a copper plate, and has four layers, be first copper 13 respectively, second copper 14, third copper 15 and fourth copper 16, the fixed plate has four layers, be first fixed plate 18 respectively, second fixed plate 19, third fixed plate 110 and fourth fixed plate 111, the gear, first copper 13, second copper 14, third copper 15, fourth copper 16, first fixed plate 18, second fixed plate 19, third fixed plate 110 and fourth fixed plate 111 pass through the axis body 12 and connect, first fixed plate 18, second fixed plate 19, third fixed plate 110 and fourth fixed plate 111 pass through bearing 17 and are connected with axis body 12, bearing 17, first copper 13, second copper 14, third copper 15 and fourth copper 16 and axis body 12 key-type connection. The inner permanent magnet 112 and the outer permanent magnet 113 are located within the diameter range of the first copper plate 13, the second copper plate 14, the third copper plate 15 and the fourth copper plate 16, the material of the inner permanent magnet 112 and the outer permanent magnet 113 is N50M neodymium iron boron, and the material of the first fixing plate 18, the second fixing plate 19, the third fixing plate 110 and the fourth fixing plate 111 is steel with good magnetic permeability.
The energy-consuming connecting beam of the embodiment is further explained according to the symmetrical construction sequence from inside to outside:
the first fixing plate 18, the second fixing plate 19, the third fixing plate 110 and the fourth fixing plate 111 are provided with circular holes for placing the bearings 17, and then are welded and fixed, the gear is fixed on the shaft body 12, and the inner ring permanent magnet 112 and the outer ring permanent magnet 113 are fixed on the first fixing plate 18, the second fixing plate 19, the third fixing plate 110 and the fourth fixing plate 111 through the tapping screws 42.
One end of the first fixing plate 18 is welded to a bridge end plate 31, the first copper plate 13 and the second copper plate 14 are fixed to the shaft body 12, and the shaft body 12 and the bearing 17 of the first fixing plate 18 are fixed.
The second fixing plate 19 is fixed to the shaft body 12 in the same manner, and one end of the second fixing plate 19 is welded to one of the bridge end plates 31.
The third copper plate 15 is fixed to the shaft body 12, the bearing 17 of the third fixing plate 110 is fixed to the shaft body 12, and one end of the third fixing plate 110 is welded to one of the tie beam end plates 31.
The fourth copper plate 16 is fixed to the shaft body 12, the bearing 17 of the fourth fixed plate 111 is fixed to the shaft body 12, and one end of the fourth fixed plate 111 is welded to one of the tie beam end plates 31.
An end plate 24 is fixed to a tie beam end plate 31 by high-strength bolts 41.
And welding the rack 11 on the other connecting beam end plate 24, then meshing the teeth of the rack 11 with the teeth of the gear, and finally fixing the other end plate 24 on the other connecting beam end plate 31 through the high-strength bolt 41, so that the assembly of the replaceable connecting beam section is completed.
The energy-consuming coupling beam has the advantages that:
the eddy current damping effect is obvious: through the cooperation of rack and gear, when two even roof beam end plates produced the displacement, turned into the rotation of gear with the displacement, made the speed of cutting magnetic induction line enlarge through the cutting board, promoted the power consumption effect of eddy current damping power consumption part by a wide margin, solved the problem that eddy current damping is difficult to make the attenuator of big damping coefficient.
Energy consumption in all stages: the eddy current damping energy dissipation assembly is of a speed-related type, and the yield energy dissipation assembly is of a displacement-related type. The shear displacement of the connecting beam end plate is small under the action of wind vibration or small vibration, the yielding energy consumption component does not yield and only provides lateral rigidity, and the eddy current damping energy consumption component can dissipate energy input by the structure; the shear displacement of the connecting beam end plate is larger under the action of medium or large earthquake, the yield energy dissipation component yields, and the eddy current damping energy dissipation component and the yield energy dissipation component are combined to dissipate energy, so that the full-stage energy dissipation under wind vibration, small earthquake, medium earthquake and large earthquake is realized.
Energy consumption type coupling beam with different energy consumption effects is easy to design: the size of the permanent magnet, the size of the cutting plate, the size of the shaft body, the air gap between the permanent magnet and the cutting plate, the number of layers of the cutting plate and the magnetic pole body, the size of the rhombic through hole and other parameters are easy to adjust, the influence on the energy consumption effect is large, and the energy consumption type connecting beam with different energy consumption effects is easy to design.
The quick replacement after the earthquake is easy: in the process of generating damping force, the primary and the secondary of the eddy current damping energy dissipation assembly are not in contact, the loss is small, and the eddy current damping energy dissipation assembly is not required to be replaced after a general earthquake, so that only the yield energy dissipation assembly is required to be replaced, the web plate is detachably connected with the connecting beam end plate through the end plate, the fast replacement after the earthquake is easy, and the restorability of the structural function is realized.
Claims (8)
1. The energy-consuming type coupling beam comprises a yielding energy-consuming assembly and an eddy current damping energy-consuming assembly, wherein the yielding energy-consuming assembly is connected with a coupling beam end plate (31), the yielding energy-consuming assembly comprises a first yielding part and a second yielding part, and the eddy current damping energy-consuming assembly is positioned between the first yielding part and the second yielding part.
2. The energy-consuming type coupling beam as claimed in claim 1, wherein the eddy current damping energy-consuming assembly comprises a plurality of layers of cutting plates and a plurality of layers of magnetic pole bodies, the plurality of layers of cutting plates and the plurality of layers of magnetic pole bodies are coaxially arranged at intervals, and when two coupling beam end plates (31) generate displacement, a gear drives the plurality of layers of cutting plates to cut magnetic induction lines.
3. The energy dissipation type coupling beam as claimed in claim 2, wherein the magnetic pole body comprises an inner ring permanent magnet (112) and an outer ring permanent magnet (113) which are coaxial within the coverage range of the cutting plate, the inner ring permanent magnet (112) and the outer ring permanent magnet (113) are fixed on a fixing plate, the fixing plate is connected with a coupling beam end plate (31), the inner ring permanent magnet (112) and the outer ring permanent magnet (113) are consistent in the magnetic pole direction along the radial direction, and are alternately changed in the magnetic pole direction along the circumferential direction, and are consistent in the magnetic pole direction along the axial direction.
4. An energy-consuming coupling beam according to claim 3, characterized in that the gear, the cutting plate and the fixing plate are connected through a shaft body (12), the fixing plate is connected with the shaft body (12) through a bearing (17), and the cutting plate and the bearing (17) are connected with the shaft body (12) in a key mode.
5. An energy dissipating coupling beam according to claim 1, wherein the first yielding member and the second yielding member are i-shaped steel having a web (21) with a through hole (23), and the web (21) is detachably connected to the coupling beam end plate (31) through an end plate (24).
6. An energy dissipating coupling beam according to claim 5, wherein the through holes (23) are diamond shaped.
7. The coupling beam as claimed in claim 5, wherein the web (21) is a LYP225 steel web and the flanges (22) of the I-beam are Q345 steel flanges.
8. The coupling beam as claimed in claim 1, wherein the cutting plate is a copper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250671.2A CN110965662A (en) | 2019-12-09 | 2019-12-09 | Energy-consuming connecting beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250671.2A CN110965662A (en) | 2019-12-09 | 2019-12-09 | Energy-consuming connecting beam |
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| Publication Number | Publication Date |
|---|---|
| CN110965662A true CN110965662A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911250671.2A Pending CN110965662A (en) | 2019-12-09 | 2019-12-09 | Energy-consuming connecting beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803395A (en) * | 2021-09-30 | 2021-12-17 | 北京筑信润捷科技发展有限公司 | Eddy current damper of rotating mechanism |
-
2019
- 2019-12-09 CN CN201911250671.2A patent/CN110965662A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803395A (en) * | 2021-09-30 | 2021-12-17 | 北京筑信润捷科技发展有限公司 | Eddy current damper of rotating mechanism |
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