CN108978918B - Assembled friction energy dissipation device - Google Patents
Assembled friction energy dissipation device Download PDFInfo
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- CN108978918B CN108978918B CN201810672428.9A CN201810672428A CN108978918B CN 108978918 B CN108978918 B CN 108978918B CN 201810672428 A CN201810672428 A CN 201810672428A CN 108978918 B CN108978918 B CN 108978918B
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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
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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Abstract
The invention discloses an assembled friction energy dissipater, which is arranged between an upper beam (1-1) and a lower beam (1-2), wherein a first fixing plate (1-3) is arranged on the bottom surface of the upper beam (1-1), a second fixing plate (1-4) is arranged on the top surface of the lower beam, and a metal friction energy dissipater is arranged between the first fixing plate (1-3) and the second fixing plate (1-4); the friction energy consumer includes: a first portion and a second portion; the first portion includes: the gear rack comprises a first gear (2-1), a second gear (2-2) and a first vertical plate (2-3), wherein one side of the first vertical plate (2-3) is provided with insections; the second portion includes: a third gear (3-1), a fourth gear (3-2) and a second vertical plate (3-3), wherein one side of the second vertical plate (3-3) is provided with insections. By adopting the assembled friction energy dissipater, the friction energy dissipation effect of the frame structure can be improved.
Description
Technical Field
The invention relates to the technical field of structural earthquake resistance, disaster prevention and reduction, in particular to an assembled friction energy dissipater.
Background
201711367903.3 provides a mechanically driven friction dissipative vibration damper, comprising: a frame, comprising: two cover plates are arranged in parallel; two guide sleeves arranged between the two cover plates, wherein the two guide sleeves are respectively fixed at the two ends of the cover plates; the fixed connecting rod is fixedly connected with a guide sleeve; a driving connecting rod connected with the other guide sleeve in a sliding way; one end of the transmission connecting rod is fixedly connected with one end of the driving connecting rod, which is close to the first guide sleeve; friction energy dissipation damper includes: the rotating part is fixedly connected with the other end of the transmission connecting rod; two fixed disks arranged on two sides of the rotating part in parallel, wherein one fixed disk is fixedly connected with the first cover plate, and the rotating part is fixedly connected with the other fixed disk; and the friction plates are arranged between the rotating part and the two fixed disks, are fixed on the rotating part and are respectively contacted with the two fixed disks. Through the nonlinear amplification of the tiny displacement on the building structure, the displacement is transmitted to the friction energy consumption part, the energy consumption is increased, and the damping effect is improved. .
201611020982.6 provides an energy-consuming damper based on the concept of rotary friction, which is composed of several layers of friction steel plates arranged in criss-cross staggered manner, and friction plates arranged at the cross nodes between the steel plates, and is formed by pressing in series through high-strength bolts, belleville springs, washer assemblies and pressure distribution plates. When the damper is in the meso position (zero deformation), the longitudinal and transverse steel plates are perpendicular to each other, when the damper is acted by the outside, the short plate starts to rotate by taking the bolt as the center, the damper generates the one-way change effect of extension or shortening, the relative rotation of the node generates the sliding friction between the steel plates and the friction material, and therefore the conversion of mechanical energy to heat energy is achieved, and the heat is released. The damper has the advantages of ingenious structure, high economy and obvious vibration reduction effect, can be used for vibration control and vibration reduction of newly-built buildings and bridge structures, and can also be used for reconstruction and reinforcement projects. Different from other energy dissipation and vibration reduction devices, the energy dissipation and vibration reduction device has the greatest characteristic that the destructive power of the product is greater than the maximum energy dissipation damping force, and the safety factor of the product is effectively improved.
All of the above are common friction energy dissipators. How to use friction energy dissipaters in frame structures and how to amplify the energy dissipation of friction energy dissipaters becomes a big technical problem.
Disclosure of Invention
The invention aims to provide an assembled metal friction energy dissipater, which overcomes the defects in the prior art and improves the anti-seismic effect of the friction energy dissipater.
The technical scheme of the invention is realized as follows:
an assembled metal friction energy dissipater is arranged between an upper beam (1-1) and a lower beam (1-2), a first fixing plate (1-3) is arranged on the bottom surface of the upper beam (1-1), a second fixing plate (1-4) is arranged on the top surface of the lower beam, and the metal friction energy dissipater is arranged between the first fixing plate (1-3) and the second fixing plate (1-4);
the bottom surface of the first fixing plate (1-3) is provided with insections;
the metal friction energy dissipater comprises: a first portion and a second portion;
the first portion includes: the gear rack comprises a first gear (2-1), a second gear (2-2) and a first vertical plate (2-3), wherein one side of the first vertical plate (2-3) is provided with insections;
the second portion includes: a third gear (3-1), a fourth gear (3-2) and a second vertical plate (3-3), wherein one side of the second vertical plate (3-3) is provided with insections;
the axes of the first gear (2-1) and the second gear (2-2) are arranged in the same vertical plane, and the axes of the third gear (3-1) and the fourth gear (3-2) are arranged in the same vertical plane;
the first gear (2-1) is meshed with the insection of the first fixing plate (1-3), the first gear (2-1) is meshed with the second gear (2-2), and the second gear (2-2) is meshed with the insection of the first vertical plate;
the third gear (3-1) is meshed with the insections of the first fixing plate (1-3); the third gear (3-1) is meshed with the fourth gear (3-2), and the fourth gear (3-2) is meshed with the insections of the second vertical plate;
the first vertical plate (2-3) and the second vertical plate (3-3) are in mutual contact.
Further, the second gear (2-2) comprises a first drum (2-2-1), a second drum (2-2-2), and a third drum (2-2-3); the outer surface of the second rotary drum (2-2-2) is provided with insections which are meshed with the first gear (2-1); the axes of the first rotating drum (2-2-1), the second rotating drum (2-2-2) and the third rotating drum (2-2-3) are collinear, the diameter of the first rotating drum (2-2-1) is the same as that of the third rotating drum (2-2-3), and the diameter of the first rotating drum (2-2-1) is larger than that of the second rotating drum (2-2-2);
the first rotating cylinder (2-2-1), the second rotating cylinder (2-2-2) and the third rotating cylinder (2-2-3) are fixedly connected together.
Further, the fourth gear and the second gear (2-2) are the same in structure and also comprise a first drum, a second drum and a third drum; the outer surface of the second rotary drum is provided with insections which are meshed with a third gear; the axes of the first rotating drum, the second rotating drum and the third rotating drum are collinear, the diameters of the first rotating drum and the third rotating drum are the same, and the diameter of the first rotating drum is larger than that of the second rotating drum; the first rotating drum, the second rotating drum and the third rotating drum are fixedly connected together.
Further, the first vertical plate (2-3) is meshed with a first drum (2-2-1) and a third drum (2-2-3) in the second gear;
further, the second vertical plate (3-3) is meshed with the first rotating drum and the third rotating drum in the fourth gear.
Further, the first vertical plate (2-3) and the second vertical plate (3-3) are pressed tightly through a second gear (2-2) and a fourth gear (3-2); the contact surfaces of the first vertical plate (2-3) and the second vertical plate (3-3) adopt rough surfaces.
Furthermore, a plurality of vertical through holes are formed in the first vertical plate (2-3) and the second vertical plate (3-3), the limiting device is a plurality of vertical rods corresponding to the first vertical plate (2-3) and the second vertical plate (3-3), and the limiting device penetrates through the vertical through holes formed in the first vertical plate (2-3) and the second vertical plate (3-3); a plurality of vertical rods of the limiting device are provided with connecting rods to form an integral structure.
Furthermore, the first gear (2-1) and the second gear (2-2) form a vertical gear set, which is called a first type gear set; the third gear (3-1) and the fourth gear (3-2) form a vertical gear set which is called a second type gear set.
The first part comprises a plurality of first type gear sets which are vertically distributed in sequence, and the second part comprises a plurality of second type gear sets which are vertically distributed in sequence; the first gear (2-1) and the second rotary drum (2-2-2) in the second gear (2-2) which are adjacent up and down of the first part are meshed in sequence; second rotary drums in third gears and fourth gears which are adjacent up and down of the second part are meshed in sequence; the gear sets of the first part and the second part are symmetrically designed.
Furthermore, the number of the first type gear sets in the first part is preferably more than 3, and the number of the second type gear sets in the second part is preferably more than 3; the first vertical plate is only meshed with the first drum and the third drum in the second gear, and the second vertical plate is only meshed with the first drum and the third drum in the fourth gear.
Further, the first vertical plate and the second vertical plate are steel plates, the first vertical plate and the second vertical plate are bonded together through resin, and brass or non-asbestos organic matters are selected as friction materials between the first vertical plate and the second vertical plate.
Furthermore, the first vertical plate and the second vertical plate are both provided with protrusions extending vertically, and the protrusions distributed on the first vertical plate are matched with the protrusions distributed on the second vertical plate;
semicircular bulges are arranged on the two sides of the first vertical plate in a protruding mode, and semicircular bulges are arranged on the two sides of the second vertical plate in a protruding mode.
A method for mounting a fabricated metal friction damper comprises the following steps:
firstly, a first bracket and a second bracket are respectively installed and fixed on a second fixing plate of a lower beam, and central rotating shafts of a first gear (2-1) and a second gear (2-2) are installed on the first bracket in advance; the central rotating shafts of the third gear and the fourth gear are arranged on the second bracket in advance;
then inserting the first vertical plate and the second vertical plate into a gap between a second gear of the first support and a fourth gear of the second support, wherein the thicknesses of the first vertical plate and the second vertical plate are smaller than the gap between the first support and the second support, and the first vertical plate and the second vertical plate pass through the second gear and the fourth gear;
then the first fixing plate (1-3) is fixedly arranged on the bottom of the upper beam
And finally, mounting the upper beam to enable the first fixing plate to be meshed with the first gear and the second gear.
An assembled metal friction energy dissipater is arranged between an upper beam (1-1) and a lower beam (1-2), a first fixing plate (1-3) is arranged on the bottom surface of the upper beam (1-1), a second fixing plate (1-4) is arranged on the top surface of the lower beam, and the metal friction energy dissipater is arranged between the first fixing plate (1-3) and the second fixing plate (1-4);
the bottom surface of the first fixing plate (1-3) is provided with insections;
the metal friction energy dissipater comprises: a first portion and a second portion;
the first portion includes: the gear rack comprises a first gear (2-1), a second gear (2-2) and a first vertical plate (2-3), wherein one side of the first vertical plate (2-3) is provided with insections;
the second portion includes: a third gear (3-1), a fourth gear (3-2) and a second vertical plate (3-3), wherein one side of the second vertical plate (3-3) is provided with insections;
the axes of the first gear (2-1) and the second gear (2-2) are arranged in the same vertical plane, and the axes of the third gear (3-1) and the fourth gear (3-2) are arranged in the same vertical plane;
the first gear (2-1) is meshed with the insection of the first fixing plate (1-3), the first gear (2-1) is meshed with the second gear (2-2), and the second gear (2-2) is meshed with the insection of the first vertical plate;
the third gear (3-1) is meshed with the insections of the first fixing plate (1-3); the third gear (3-1) is meshed with the fourth gear (3-2), and the fourth gear (3-2) is meshed with the insections of the second vertical plate;
the friction material and second vertical plate are sequentially arranged; the friction material is bonded with the first vertical plate and the second vertical plate through epoxy resin.
Furthermore, a plurality of protrusions extending vertically are arranged on two sides of the third vertical plate (5); the first vertical plate and the second vertical plate are both provided with protrusions extending vertically, and the protrusions distributed on the first vertical plate and the second vertical plate are matched with the protrusions distributed on the third vertical plate (5).
Further, the protruding direction of vertical extension in edge that first vertical board set up does: the third vertical plate faces the direction of the first vertical plate; the protruding direction of vertical extension of edge that the vertical board of second set up does: the third vertical plate faces the direction of the second vertical plate.
Furthermore, the cross sections of the protrusions of the first vertical plate, the second vertical plate and the third vertical plate are in the shape of a semi-circular arc.
A method for mounting a fabricated metal friction damper comprises the following steps:
firstly, fixing a third vertical plate on a second fixing plate of a lower beam, and respectively bonding the first vertical plate and the second vertical plate with the third vertical plate through resin;
then, a first bracket and a second bracket are respectively installed and fixed on a second fixing plate of the lower beam, and central rotating shafts of the first gear (2-1) and the second gear (2-2) are installed on the first bracket in advance; central rotating shafts of the third gear and the fourth gear are pre-installed on the second support, so that the first vertical plate and the second vertical plate extrude the third vertical plate;
then, the first fixing plate (1-3) is fixedly installed on the bottom of the upper beam
And finally, mounting the upper beam to enable the first fixing plate to be meshed with the first gear and the second gear.
The invention has the beneficial effects that:
firstly, when the relative horizontal displacement is generated between the upper beam and the lower beam, the first part (2 gears) and the second part (2 gears) enable the first vertical plate and the second vertical plate to move vertically relative to each other.
Secondly, the interlayer displacement and the displacement speed are amplified through the design of a first gear and a second gear; the interlayer horizontal displacement is converted into vertical relative displacement between the first vertical plate and the second vertical plate, and energy consumption is realized through relative friction between the first vertical plate and the second vertical plate; setting the relative displacement between the upper beam (1-1) and the lower beam (1-2) as u, and the diameter ratio of the first rotating drum to the second rotating drum as X, so that: the relative displacement between the first vertical plate (2-3) and the second vertical plate (3-3) is as follows: 2uX (the first vertical plate and the second vertical plate are arranged oppositely, and actually play a role in expanding displacement), and the energy consumption Q = N · f · 2uX of the friction energy consumer; n represents a pressure between the first vertical plate and the second vertical plate, and f represents a friction coefficient between the first vertical plate and the second vertical plate; the design improves the friction energy dissipation effect of the friction energy dissipater in the frame structure.
Thirdly, the design of a plurality of groups of gear sets is provided, and the stability of the vertical plate in the friction energy consumption process is ensured.
Fourthly, the design of the bulges is adopted, so that the friction surface is enlarged, and the assembling property between the plates is ensured.
Drawings
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
Fig. 1 is a schematic structural diagram of a fabricated metal friction energy dissipater according to a first embodiment.
Fig. 2 is a schematic view of the connection design of the first gear and the second gear in the first embodiment.
Fig. 3 is a schematic view of the second gear according to the first embodiment.
Fig. 4 is a schematic view of the fabricated metal friction dissipative device of the second embodiment.
Fig. 5 is a schematic view of the fabricated metal friction dissipative device of the third embodiment.
Fig. 6 is a schematic connection diagram between the first vertical plate and the second vertical plate of the third embodiment.
Fig. 7 is a schematic view of the fabricated metal friction dissipative element of the fourth embodiment.
Fig. 8 is a schematic connection (cross section) between the first vertical plate, the second vertical plate, and the third vertical plate of the fifth embodiment.
Detailed Description
The first embodiment is as follows: as shown in fig. 1, an assembled metal friction energy dissipater is installed between an upper beam 1-1 and a lower beam 1-2, a first fixing plate 1-3 is installed on the bottom surface of the upper beam 1-1, a second fixing plate 1-4 is installed on the top surface of the lower beam, and a metal friction energy dissipater is installed between the first fixing plate 1-3 and the second fixing plate 1-4;
the bottom surface of the first fixing plate 1-3 is provided with insections;
the metal friction energy dissipater comprises: a first portion and a second portion;
the first portion includes: the gear rack comprises a first gear 2-1, a second gear 2-2 and a first vertical plate 2-3, wherein one side of the first vertical plate 2-3 is provided with insections;
the second portion includes: a third gear 3-1, a fourth gear 3-2 and a second vertical plate 3-3, wherein one side of the second vertical plate 3-3 is provided with insections;
the axes of the first gear 2-1 and the second gear 2-2 are arranged in the same vertical plane, and the axes of the third gear 3-1 and the fourth gear 3-2 are arranged in the same vertical plane;
the first gear 2-1 is meshed with the insection of the first fixing plate 1-3, the first gear 2-1 is meshed with the second gear 2-2, and the second gear 2-2 is meshed with the insection of the first vertical plate;
the third gear 3-1 is meshed with the insections of the first fixing plate 1-3; the third gear 3-1 is meshed with the fourth gear 3-2, and the fourth gear 3-2 is meshed with the insections of the second vertical plate.
The second gear 2-2 comprises a first drum 2-2-1, a second drum 2-2-2 and a third drum 2-2-3; the outer surface of the second rotary drum 2-2-2 is provided with insections which are meshed with the first gear 2-1; the axes of the first rotating drum 2-2-1, the second rotating drum 2-2-2 and the third rotating drum 2-2-3 are collinear, the diameter of the first rotating drum 2-2-1 is the same as that of the third rotating drum 2-2-3, and the diameter of the first rotating drum 2-2-1 is larger than that of the second rotating drum 2-2-2;
the first rotating drum 2-2-1, the second rotating drum 2-2-2 and the third rotating drum 2-2-3 are connected and fixed together.
The fourth gear and the second gear 2-2 have the same structure and also comprise a first rotating drum, a second rotating drum and a third rotating drum; the outer surface of the second rotary drum is provided with insections which are meshed with a third gear; the axes of the first rotating drum, the second rotating drum and the third rotating drum are collinear, the diameters of the first rotating drum and the third rotating drum are the same, and the diameter of the first rotating drum is larger than that of the second rotating drum; the first rotating drum, the second rotating drum and the third rotating drum are fixedly connected together.
The first vertical plate 2-3 is meshed with a first rotary drum 2-2-1 and a third rotary drum 2-2-3 in the second gear;
the second vertical plate 3-3 is meshed with the first rotating drum and the third rotating drum in the fourth gear.
The first vertical plate 2-3 and the second vertical plate 3-3 are in contact with each other;
the first vertical plate 2-3 and the second vertical plate 3-3 are pressed tightly through a second gear 2-2 and a fourth gear 3-2;
the contact surfaces of the first vertical plate 2-3 and the second vertical plate 3-3 adopt rough surfaces.
The first embodiment has the advantages that firstly, the interlayer displacement and the displacement speed are amplified through the design of the first gear and the second gear; secondly, the interlayer horizontal displacement is converted into vertical relative displacement between the first vertical plate and the second vertical plate, and energy consumption is realized through relative friction between the first vertical plate and the second vertical plate; thirdly, let the relative displacement between the upper beam 1-1 and the lower beam 1-2 be u, and the diameter ratio of the first rotating drum and the second rotating drum be X, so that: the relative displacement between the first vertical plate 2-3 and the second vertical plate 3-3 is as follows: the 2uX first vertical plate and the second vertical plate are arranged oppositely, so that the displacement is actually expanded, and the energy consumption Q = N · f · 2uX of the friction energy consumer; n represents a pressure between the first vertical plate and the second vertical plate, and f represents a friction coefficient between the first vertical plate and the second vertical plate.
Example two: the scheme of the first embodiment has the following problems: in the first embodiment, the direction of the vertical plate cannot be ensured in the vertical energy consumption process, as shown in fig. 4, a limiting device is fixed on the lower beam, the first vertical plate 2-3 and the second vertical plate 3-3 are provided with a plurality of vertical through holes, the limiting device is a plurality of vertical rods 4 corresponding to the first vertical plate 2-3 and the second vertical plate 3-3, and the limiting device penetrates through the vertical through holes formed in the first vertical plate 2-3 and the second vertical plate 3-3; the plurality of vertical rods 4 of the limiting device are provided with connecting rods to form an integral structure.
In the third embodiment, on the basis of the first embodiment, a vertical gear set is formed by the first gear 2-1 and the second gear 2-2, and the vertical gear set is called as a first type gear set; the third gear 3-1 and the fourth gear 3-2 form a vertical gear set, called a second type gear set.
The first part comprises a plurality of first type gear sets which are vertically distributed in sequence, and the second part comprises a plurality of second type gear sets which are vertically distributed in sequence; the second rotating drums 2-2-2 in the first gear 2-1 and the second gear 2-2 which are adjacent up and down of the first part are meshed in sequence;
second rotary drums in third gears and fourth gears which are adjacent up and down of the second part are meshed in sequence;
the gear sets of the first part and the second part are symmetrically designed.
Adopt the formal design of a plurality of gear trains, its purpose is guaranteed that the vertical plate keeps moving in the vertical plane all the time.
The number of the first type gear sets in the first part is preferably more than 3, the number of the second type gear sets in the second part is preferably more than 3, and the balance of the compressive stress between the first vertical plate and the second vertical plate can be ensured at the same time.
The first vertical plate in the third embodiment is meshed with only the first drum and the third drum in the second gear, and the second vertical plate is meshed with only the first drum and the third drum in the fourth gear.
First vertical board, second vertical board are the steel sheet, like Q235, and first vertical board passes through the resin with the second vertical board and bonds together, but brass, non-asbestos organic matter are selected to the friction material between first vertical board and the second vertical board.
Example four: as shown in fig. 7, the steel plate friction structure further comprises a third vertical plate 5, wherein the third vertical plate 5 is vertically fixed at the top end of the lower beam, and the first vertical plate, the friction material, the stainless steel base plate, the third vertical plate 5, the stainless steel base plate, the friction material and the second vertical plate are sequentially arranged; the friction material is fixed with the first/second vertical plates through epoxy resin.
The design of the fourth embodiment is as follows: the first vertical plate and the second vertical plate are in friction energy dissipation on two sides of the third vertical plate, and the two vertical plates are opposite to a traditional friction energy dissipater, and the 2 outer friction plates and the inner friction plate are in opposite movement directions.
Example five: the difference from the fourth embodiment is that, as shown in fig. 8, both sides of the third vertical plate 5 are provided with a plurality of protrusions extending vertically; first vertical board, second vertical board all are provided with along vertical extension's arch, and the arch that distributes on first vertical board, the second vertical board and the protruding phase-match that distributes on the third vertical board 5.
As shown in fig. 8, the first vertical plate is provided with a vertically extending convex direction: the third vertical plate faces the direction of the first vertical plate;
the protruding direction of vertical extension of edge that the vertical board of second set up does: the third vertical plate faces the direction of the second vertical plate.
The cross section of the protrusions of the first vertical plate, the second vertical plate and the third vertical plate is in a semi-circular arc shape.
The design of example five has 2 main objectives: firstly, be convenient for: the first vertical plate, the second vertical plate and the third vertical plate are fixedly arranged; secondly, the following steps: the design of the bulges is adopted, so that the friction area is enlarged, and the energy consumption effect is improved.
Example six: the difference between the first vertical plate and the third embodiment is that the first vertical plate and the second vertical plate are both provided with protrusions extending vertically, and the protrusions distributed on the first vertical plate and the protrusions distributed on the second vertical plate are matched;
semicircular bulges are arranged on the two sides of the first vertical plate in a protruding mode, and semicircular bulges are arranged on the two sides of the second vertical plate in a protruding mode.
The installation method of the first to third and sixth embodiments comprises the following steps:
firstly, a first bracket and a second bracket are respectively installed and fixed on the lower surface of a lower beam, and central rotating shafts of a first gear 2-1 and a second gear 2-2 are installed on the first bracket in advance; the central rotating shafts of the third gear and the fourth gear are arranged on the second bracket in advance;
then inserting the first vertical plate and the second vertical plate into a gap between a second gear of the first support and a fourth gear of the second support, wherein the thicknesses of the first vertical plate and the second vertical plate are smaller than the gap between the first support and the second support, and the first vertical plate and the second vertical plate pass through the second gear and the fourth gear;
then the first fixing plate 1-3 is fixedly arranged on the bottom of the upper beam
And finally, mounting the upper beam to enable the first fixing plate to be meshed with the first gear and the second gear.
The method of installation of the fourth embodiment, comprising the steps of:
firstly, fixing a third vertical plate on a lower beam, and respectively bonding the first vertical plate and the second vertical plate with the third vertical plate through resin;
then, a first bracket and a second bracket are respectively installed and fixed on the lower surface of the lower beam, and central rotating shafts of the first gear 2-1 and the second gear 2-2 are installed on the first bracket in advance; central rotating shafts of the third gear and the fourth gear are pre-installed on the second support, so that the first vertical plate and the second vertical plate extrude the third vertical plate;
then, the first fixing plate 1-3 is fixedly installed to the bottom of the upper beam
And finally, mounting the upper beam to enable the first fixing plate to be meshed with the first gear and the second gear.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. An assembled friction energy dissipater is arranged between an upper beam (1-1) and a lower beam (1-2), a first fixing plate (1-3) is arranged on the bottom surface of the upper beam (1-1), a second fixing plate (1-4) is arranged on the top surface of the lower beam, and a metal friction energy dissipater is arranged between the first fixing plate (1-3) and the second fixing plate (1-4);
the bottom surface of the first fixing plate (1-3) is provided with insections;
characterized in that said friction dissipator comprises: a first portion and a second portion;
the first portion includes: the gear rack comprises a first gear (2-1), a second gear (2-2) and a first vertical plate (2-3), wherein one side of the first vertical plate (2-3) is provided with insections;
the second portion includes: a third gear (3-1), a fourth gear (3-2) and a second vertical plate (3-3), wherein one side of the second vertical plate (3-3) is provided with insections;
the axes of the first gear (2-1) and the second gear (2-2) are arranged in the same vertical plane, and the axes of the third gear (3-1) and the fourth gear (3-2) are arranged in the same vertical plane;
the first gear (2-1) is meshed with the insection of the first fixing plate (1-3), the first gear (2-1) is meshed with the second gear (2-2), and the second gear (2-2) is meshed with the insection of the first vertical plate;
the third gear (3-1) is meshed with the insections of the first fixing plate (1-3); the third gear (3-1) is meshed with the fourth gear (3-2), and the fourth gear (3-2) is meshed with the insections of the second vertical plate;
the first vertical plate (2-3) and the second vertical plate (3-3) are in contact with each other; when relative horizontal displacement is generated between the upper beam and the lower beam, the first vertical plate and the second vertical plate are vertically moved relatively through the first gear and the second gear of the first part and the third gear and the fourth gear of the second part.
2. A fabricated friction dissipative device according to claim 1, wherein the second gear (2-2) comprises a first drum (2-2-1), a second drum (2-2-2), a third drum (2-2-3); the outer surface of the second rotary drum (2-2-2) is provided with insections which are meshed with the first gear (2-1); the axes of the first rotating drum (2-2-1), the second rotating drum (2-2-2) and the third rotating drum (2-2-3) are collinear, the diameter of the first rotating drum (2-2-1) is the same as that of the third rotating drum (2-2-3), and the diameter of the first rotating drum (2-2-1) is larger than that of the second rotating drum (2-2-2); the first rotating cylinder (2-2-1), the second rotating cylinder (2-2-2) and the third rotating cylinder (2-2-3) are fixedly connected together.
3. A fabricated friction dissipative element according to claim 2, characterized in that said fourth gear is of the same construction as the second gear (2-2) and comprises a first, a second, a third drum; the outer surface of the second rotary drum is provided with insections, andIIIThe gears are meshed; the axes of the first rotating drum, the second rotating drum and the third rotating drum are collinear, the diameters of the first rotating drum and the third rotating drum are the same, and the diameter of the first rotating drum is larger than that of the second rotating drum; the first rotating drum, the second rotating drum and the third rotating drum are fixedly connected together.
4. A fabricated friction dissipative element according to claim 3, characterized in that the first vertical plate (2-3) is engaged with the first (2-2-1) and third (2-2-3) drums of the second gear.
5. A fabricated friction dissipative element according to claim 3, characterized in that the second vertical plate (3-3) is engaged with the first and third drums in the fourth gear.
6. An assembled friction dissipative device according to claim 1, characterized in that the first vertical plate (2-3), the second vertical plate (3-3) are pressed between them by the second gear (2-2), the fourth gear (3-2); the contact surfaces of the first vertical plate (2-3) and the second vertical plate (3-3) adopt rough surfaces.
7. An assembled friction dissipative device according to claim 1, wherein the first vertical plate (2-3), the second vertical plate (3-3) are provided with a plurality of vertical through holes, the limiting means are a plurality of vertical rods corresponding to the first vertical plate (2-3), the second vertical plate (3-3), the limiting means pass through the vertical through holes provided in the first vertical plate (2-3), the second vertical plate (3-3); a plurality of vertical rods of the limiting device are provided with connecting rods; forming a unitary structure.
8. An assembled friction dissipative apparatus as claimed in claim 1, wherein the first and second vertical plates are made of steel plates, the first and second vertical plates being bonded together by a resin, the friction material between the first and second vertical plates being selected from brass or non-asbestos organic materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810672428.9A CN108978918B (en) | 2018-06-26 | 2018-06-26 | Assembled friction energy dissipation device |
| CN201911334092.6A CN111005466B (en) | 2018-06-26 | 2018-06-26 | Assembled friction energy dissipater and mounting method |
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| CN201810672428.9A CN108978918B (en) | 2018-06-26 | 2018-06-26 | Assembled friction energy dissipation device |
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| CN109537971A (en) * | 2018-12-28 | 2019-03-29 | 北京筑信润捷科技发展有限公司 | A kind of friction energy-dissipating damper |
| CN111794366B (en) * | 2020-07-23 | 2021-06-04 | 江阴东方建筑集团有限公司 | Prefabricated building, construction method and working method |
| CN111779151B (en) * | 2020-07-23 | 2022-01-18 | 福建创润建设有限公司 | Variable damping friction type damper, working method and prefabricated building |
| CN114809351B (en) * | 2022-05-27 | 2024-04-19 | 江苏科技大学 | A spiral rotating friction type metal damper |
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| CN111005466B (en) | 2021-04-20 |
| CN111005466A (en) | 2020-04-14 |
| CN108978918A (en) | 2018-12-11 |
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