CN112854510A - Viscous shear type damper with replaceable steel inserting plate - Google Patents
Viscous shear type damper with replaceable steel inserting plate Download PDFInfo
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- CN112854510A CN112854510A CN202110034204.7A CN202110034204A CN112854510A CN 112854510 A CN112854510 A CN 112854510A CN 202110034204 A CN202110034204 A CN 202110034204A CN 112854510 A CN112854510 A CN 112854510A
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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
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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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 belongs to the field of civil engineering earthquake resistance and shock absorption, and discloses a viscous shear type damper with a replaceable steel inserting plate, which comprises an upper end plate, a lower end plate, a plurality of steel inserting plates and a plurality of bolts; a first middle vertical plate is arranged on one side of the upper end plate; the lower end plate is provided with a left vertical plate, a right vertical plate and a movable middle layer plate, a second middle vertical plate and a third middle vertical plate are arranged on the middle layer plate at intervals, a front baffle and a rear baffle are arranged between the left vertical plate and the right vertical plate, two middle baffles are arranged on the inner side surfaces of the left vertical plate and the right vertical plate, and viscolizers are arranged between the two middle baffles and the middle layer plate; a plurality of lead blocks are arranged on the first middle vertical plate; all set up a plurality of bumper shock absorbers between riser and the preceding baffle in the middle of the first and between riser and the backplate in the middle of the first, each steel picture peg all runs through each riser and is connected through a plurality of bolts respectively. The deformation is borne by a plurality of energy consumption components, the performance of shock absorption and energy consumption is excellent, the hysteresis curve is good, and the replacement is convenient.
Description
Technical Field
The invention belongs to the field of civil engineering earthquake resistance and shock absorption, and relates to a viscous shear type damper with a replaceable steel inserting plate.
Background
The metal damper, especially soft steel damper, is one kind of shock absorbing and shock isolating member utilizing the elastic and plastic deformation of metal in yielding state to dissipate energy, and has excellent hysteretic characteristic and great energy absorption during elastic and plastic deformation, so that it is used in making energy dissipating shock absorbers of different types and structures. 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: torsion beam energy dissipater, bending beam energy dissipater, U-shaped steel plate energy dissipater, steel bar energy dissipater, circular ring energy dissipater, double circular ring energy dissipater, stiffening circular ring energy dissipater, X-shaped and triangular energy dissipater and the like. Compared with other types of dampers, the metal damper is easy to process, stable in hysteresis performance, easy to replace, low in manufacturing cost and maintenance cost, and therefore, the metal damper is widely applied to the field of seismic reinforcement and maintenance of engineering structures.
The damper can effectively absorb and consume energy generated by an earthquake, can reduce the influence caused by the earthquake, and can maintain the structural integrity to the maximum extent. The replaceable structure is the most economical method for realizing the function-recoverable structure, the replaceable component is made into a relatively weak component, so that the damage of the structure is mainly concentrated on the replaceable component in the earthquake, most of the existing dampers have single energy consumption form, the energy consumption effect is not good while the requirement of replacement is met, the hysteretic curve is poor, and the advantages of low cost and convenience in replacement are lost while the energy consumption effect is achieved.
Currently, among the several methods of implementing recoverable functional structures, the most operable is the replaceable structure. The detachable energy dissipation component is arranged in the structure, so that the damage of the structure is mainly concentrated on the energy dissipation component when an earthquake occurs, the energy input by the earthquake can be effectively dissipated by the energy dissipation component, the damaged energy dissipation component can be quickly replaced after the earthquake, and the normal use function of the structure can be recovered as soon as possible.
Disclosure of Invention
The viscous shear type damper with the replaceable steel inserting plate aims to overcome the defects that the conventional damper in the prior art is poor in energy consumption effect, easy to damage, expensive in maintenance and replacement cost and low in anti-seismic performance after maintenance in an earthquake, and the viscous shear type damper with the replaceable steel inserting plate is provided.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a viscous shear type damper with replaceable steel inserting plates comprises an upper end plate, a lower end plate, a plurality of steel inserting plates and a plurality of bolts; a first middle vertical plate is arranged on one side of the upper end plate; the lower end plate is provided with a left vertical plate, a right vertical plate and a movable middle layer plate, the middle layer plate is provided with a second middle vertical plate and a third middle vertical plate at intervals, and the first middle vertical plate is positioned between the second middle vertical plate and the third middle vertical plate; a front baffle and a rear baffle are arranged between the left vertical plate and the right vertical plate, and two ends of the front baffle and the rear baffle are respectively connected with the left vertical plate and the right vertical plate; two middle baffles are arranged on the inner side surfaces of the left vertical plate and the right vertical plate, and viscometers are arranged between the two middle baffles and the middle layer plate; a plurality of lead blocks are arranged on the first middle vertical plate; a plurality of shock absorbers are arranged between the first middle vertical plate and the front baffle plate and between the first middle vertical plate and the rear baffle plate; each steel inserting plate penetrates through the right vertical plate, the second middle vertical plate, the first middle vertical plate, the third middle vertical plate and the left vertical plate; and one end of each steel inserting plate, which is positioned at the outer side of the right vertical plate, and one end of each steel inserting plate, which is positioned at the outer side of the left vertical plate, are respectively connected through a plurality of bolt pins.
The invention further improves the following steps:
the middle layer plate comprises a middle layer plate body, wherein bulges are arranged on two sides of the middle layer plate body, a transmission shaft is arranged in the bulges, transmission gears are arranged at two ends of the transmission shaft, and a gear print matched with the transmission gears is arranged on the lower end plate.
The latch comprises a first component and two second components; the first subassembly is the member, and the second subassembly is the corner subassembly, and first subassembly runs through a plurality of steel picture pegs, and the one end of two second subassemblies can be dismantled with the both ends of first subassembly respectively and be connected, and the other end of two second subassemblies is located left side riser or right side riser tip outside respectively.
The viscous device comprises a first sleeve, a first piston rod and a first SMA spring; the first sleeve is connected with the middle layer plate, a first piston is arranged in the first sleeve, one end of a first piston rod is connected with the first piston, the other end of the first piston rod is connected with the middle baffle, a first SMA spring is sleeved on the first piston rod, one end of the first SMA spring is connected with the first sleeve, and the other end of the first SMA spring is connected with the middle baffle.
The shock absorber comprises a second sleeve and a second piston rod; the second sleeve is connected with the front baffle or the rear baffle, a second piston and a second SMA spring are arranged in the second sleeve, one end of the second SMA spring is connected with the second piston, and the other end of the second SMA spring is connected with the front baffle or the rear baffle; one end of the second piston rod is connected with the second piston, and the other end of the second piston rod is connected with the first middle vertical plate.
All set up a plurality of first stiffening ribs between left side riser and the lower terminal plate and between right side riser and the lower terminal plate.
A plurality of second stiffening ribs are arranged between the first middle vertical plate and the upper end plate.
Third stiffening ribs are arranged between the middle baffle and the left vertical plate and between the middle baffle and the right vertical plate.
And a friction damping material is filled between the lower end plate and the middle layer plate, and the steel inserting plate is made of low-yield-point steel.
And the upper end plate and the lower end plate are respectively provided with a plurality of bolt holes, and the bolt holes are used for installing the damper in the damper installation cavity.
Compared with the prior art, the invention has the following beneficial effects:
the viscous shearing type damper with the replaceable steel inserting plate comprises an upper end plate, a lower end plate, a left vertical plate, a right vertical plate and a movable middle layer plate, wherein the left vertical plate, the right vertical plate and the movable middle layer plate are arranged on the lower end plate, the upper end plate and the lower end plate move relatively under the action of an earthquake, partial energy consumption is carried out through friction force in the moving process, the replaceable steel inserting plate is sheared by the three middle vertical plates, the steel inserting plate is bent and deformed to consume energy, meanwhile, the first middle vertical plate pushes and pulls the damper to consume energy, the lower viscous device pulls and presses the energy consumption along with the movement of the middle layer plate, when the shearing is large enough, the first middle vertical plate, the second middle vertical plate and the third middle vertical plate shear a lead block, the lead block generates hysteretic deformation in the reciprocating process to consume energy, the energy is graded and consumed under the condition of multiple energy consumption, the energy consumption, the overall safety is improved. When the earthquake-proof and energy-saving device is used, the earthquake energy can be consumed instead of the main body structure, so that the main body structure is well protected, and the damage of the main body structure is reduced or even prevented. In addition, the damper adopts replaceable energy consumption configuration, can quickly restore the original functions of the structure, is easy to produce, has cheap materials, ensures the safety and simultaneously ensures that the damper is more economic.
Furthermore, a plurality of stiffening ribs are arranged, so that the stability of the damper structure is ensured.
Furthermore, friction damping materials are filled between the lower end plate and the middle layer plate, the steel inserting plate is made of low-yield-point steel, friction energy dissipation effects are enhanced through the friction damping materials, meanwhile, the yield point of the steel inserting plate is low, the steel inserting plate has strong plastic deformation capacity and energy dissipation capacity, production is easy, and materials are cheap.
Drawings
FIG. 1 is a perspective view of a viscous shear type damper of the present invention with a replaceable steel insert plate;
FIG. 2 is a cross-sectional view of a viscous shear type damper of the present invention with a replaceable steel insert plate;
FIG. 3 is a side perspective view of a viscous shear type damper of the present invention with a replaceable steel insert plate;
FIG. 4 is a schematic diagram of the upper structure of the viscous shear type damper with a replaceable steel insert plate according to the present invention;
FIG. 5 is a schematic view showing the lower structure of a viscous shear type damper with a replaceable steel insert plate according to the present invention;
FIG. 6 is a schematic view of a lead block arrangement of the present invention;
FIG. 7 is a schematic view of the latch configuration of the present invention;
FIG. 8 is a schematic view of the intermediate plate and lower end plate and transmission device of the present invention.
Wherein: 1-upper end plate; 2-a lower end plate; 3-a middle layer plate; 4-left vertical plate; 5-right vertical plate; 6-a first stiffener; 7-a second stiffener; 8-intermediate baffles; 9-a first intermediate riser; 10-a second intermediate riser; 11-a third intermediate riser; 12-lead block; 13-a front baffle; 14-a tailgate; 15-a third stiffener; 16-a steel insert plate; 17-a latch; 18-a viscous means; 19-a shock absorber; 20-transmission gear.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 to 5, the viscous shear type damper with the replaceable steel insert plate is arranged in a main body structure with obvious axial plastic deformation, the deformation is borne by a plurality of energy dissipation components, graded energy dissipation can be realized, after an earthquake generally, only the energy dissipation steel insert plate needs to be replaced, the viscous damper and the shock absorber can be automatically recovered, the lead block has excellent hysteretic deformation, and generally does not need to be replaced, so that the working efficiency of the damper is greatly improved, the shock absorption and energy dissipation performance is excellent, the hysteretic curve is good, and the replacement is convenient.
Specifically, the viscous shear type damper with replaceable steel insert plates comprises an upper end plate 1, a lower end plate 2, a plurality of steel insert plates 16 and a plurality of bolts 17.
A first middle vertical plate 9 is fixedly arranged on one side of the upper end plate 1; the lower end plate 2 is provided with a left vertical plate 4, a right vertical plate 5 and a movable middle layer plate 3, the middle layer plate 3 is provided with a second middle vertical plate 10 and a third middle vertical plate 11 at intervals, the first middle vertical plate 9 is positioned between the second middle vertical plate 10 and the third middle vertical plate 11, and the second middle vertical plate 10 and the third middle vertical plate 11 are arranged at two sides of the first middle vertical plate 9 in a staggered manner; a front baffle 13 and a rear baffle 14 are arranged between the left vertical plate 4 and the right vertical plate 5, and two ends of the front baffle 13 and the rear baffle 14 are respectively fixedly connected with the left vertical plate 4 and the right vertical plate 5; left side riser 4 and right side riser 5 are fixed to be set up on end plate 2 down, all set up two intermediate baffle 8 on left side riser 4 and the 5 inboard surfaces of right side riser, all set up viscous ware 18 between two intermediate baffle 8 and the intermediate layer board 3. A plurality of lead blocks 12 are arranged on the first middle vertical plate 9; a plurality of shock absorbers 19 are arranged between the first middle vertical plate 9 and the front baffle 13 and between the first middle vertical plate 9 and the rear baffle 14; each steel inserting plate 16 penetrates through the right vertical plate 5, the second middle vertical plate 10, the first middle vertical plate 9, the third middle vertical plate 11 and the left vertical plate 4; the end of each steel inserting plate 16 positioned on the outer side of the right vertical plate 5 and the end positioned on the outer side of the left vertical plate 4 are respectively connected through a plurality of bolts 17.
In this embodiment, lead 12 runs through first intermediate riser 9 left side embedding in first intermediate riser 9, and the right side embedding is in first intermediate riser 9, and the shearing effect between riser 9, second intermediate riser 10 and third intermediate riser 11 is born to the total four, produces and receives to cut plastic deformation. The steel picture peg 16 sets up 3, runs through riser 9 in the middle of first, riser 10 in the middle of the second and third middle riser 11 and left side riser 4 and right side riser 5, and steel picture peg 16 adopts low yield point steel and both ends trompil, can also suitably increase the quantity of inserting steel picture peg 16 as required. The transmission gear 20 consumes energy through friction during transmission.
The viscous shear type damper with the replaceable steel inserting plate can replace a main body structure to consume seismic energy when in use, thereby well protecting the main body structure, reducing damage of the main body structure and even preventing the main body structure from being damaged. The damper adopts replaceable energy consumption configuration, can quickly restore the original function of the structure, has low yield point of the steel inserting plate, strong plastic deformation capability and energy consumption capability, is easy to produce and cheap in material, ensures safety and simultaneously ensures that the damper is more economical.
The viscous shear type damper with the replaceable steel inserting plate has the advantages that under the action of an earthquake, the upper end plate 1 and the lower end plate 2 generate relative movement along the direction of the gear, partial energy consumption can be carried out through friction force and damping materials in the gear transmission process, the replaceable steel inserting plate 16 is sheared by the three middle vertical plates to generate bending deformation to consume energy, meanwhile, the first middle vertical plate 9 pushes and pulls the damper 19 to consume energy, the lower viscous device 18 pulls and presses the energy along with the movement of the middle layer plate 3 to consume energy, when the shearing force is large enough, the first middle vertical plate 9, the second middle vertical plate 10 and the third middle vertical plate 11 shear the lead block 12, during the reciprocating process, the lead block 12 generates hysteresis deformation to consume energy, the energy consumption of the damper is graded under the condition of multiple energy consumption, so that the energy consumption capability of the damper is greatly improved, the main body structure is well protected, and the overall safety is improved.
Preferably, the middle layer plate 3 comprises a middle layer plate body, the two sides of the middle layer plate body are both provided with bulges, so that the two sides of the middle layer plate 3 are high relative to the middle part, a transmission shaft is arranged in the bulges, the two ends of the transmission shaft are both provided with transmission gears 20, and the lower end plate 2 is provided with a gear print matched with the transmission gears 20. The intermediate layer plate 3, the first intermediate riser 9, the second intermediate riser 10, the third intermediate riser 11 and the upper end plate 1 are integrally movable relative to the lower end plate 2 through transmission of gears.
Preferably, the peg 17 comprises a first component and two second components; the first subassembly is the member, and the second subassembly is the corner subassembly, and the first subassembly runs through a plurality of steel picture peg 16, and the one end of two second subassemblies can be dismantled with the both ends of first subassembly respectively and be connected, specifically can be threaded connection, and the other end of two second subassemblies is located the left side riser 4 or the 5 tip outsides of right side riser respectively. In this embodiment, the second assembly is a 90 ° corner assembly, and two detachable pins 17 are provided on the left and right, for a total of four pins 17.
Preferably, two viscometers 18 are provided on each of the left and right sides, and each viscometer includes a first sleeve, a first piston rod, and a first SMA spring; first sleeve is connected with intermediate layer board 3, sets up first piston in the first sleeve, and first piston rod one end is connected first piston, and baffle 8 in the middle of the other end connection, and first SMA spring housing is established on first piston rod, and first SMA spring one end is connected with first sleeve, and the other end is connected with middle baffle 8.
Preferably, three shock absorbers 19 are arranged in front of and behind each other, and comprise a second sleeve and a second piston rod; the second sleeve is connected with the front baffle 13 or the rear baffle 14, a second piston and a second SMA spring are arranged in the second sleeve, one end of the second SMA spring is connected with the second piston, and the other end of the second SMA spring is connected with the front baffle 13 or the rear baffle 14; one end of the second piston rod is connected with the second piston, and the other end of the second piston rod is connected with the first middle vertical plate 9.
The SMA springs in the viscous device 18 and the shock absorber 19 can automatically recover when the soft steel inserting plate 16 is replaced, so that frequent replacement is not needed, and the workload is reduced.
Preferably, a plurality of first stiffening ribs 6 are arranged between the left vertical plate 4 and the lower end plate 2 and between the right vertical plate 5 and the lower end plate 2. A plurality of second stiffening ribs 7 are arranged between the middle vertical plate 9 and the upper end plate 1. Third stiffening ribs 15 are arranged between the middle baffle 8 and the left vertical plate 4 and between the middle baffle 8 and the right vertical plate 5.
Preferably, a friction damping material is filled between the lower end plate 2 and the middle layer plate 3, so that the friction energy dissipation effect is enhanced.
Preferably, bolt holes are reserved on the upper end plate 1 and the lower end plate 2, and the damper can be installed in the damper installation cavity through bolts penetrating through the bolt holes.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A viscous shear type damper with a replaceable steel inserting plate is characterized by comprising an upper end plate (1), a lower end plate (2), a plurality of steel inserting plates (16) and a plurality of bolts (17);
a first middle vertical plate (9) is arranged on one side of the upper end plate (1);
a left vertical plate (4), a right vertical plate (5) and a movable middle layer plate (3) are arranged on the lower end plate (2), a second middle vertical plate (10) and a third middle vertical plate (11) are arranged on the middle layer plate (3) at intervals, and the first middle vertical plate (9) is positioned between the second middle vertical plate (10) and the third middle vertical plate (11); a front baffle (13) and a rear baffle (14) are arranged between the left vertical plate (4) and the right vertical plate (5), and two ends of the front baffle (13) and the rear baffle (14) are respectively connected with the left vertical plate (4) and the right vertical plate (5); two middle baffles (8) are respectively arranged on the inner side surfaces of the left vertical plate (4) and the right vertical plate (5), and viscometers (18) are respectively arranged between the two middle baffles (8) and the middle layer plate (3);
a plurality of lead blocks (12) are arranged on the first middle vertical plate (9); a plurality of shock absorbers (19) are arranged between the first middle vertical plate (9) and the front baffle (13) and between the first middle vertical plate (9) and the rear baffle (14); each steel inserting plate (16) penetrates through the right vertical plate (5), the second middle vertical plate (10), the first middle vertical plate (9), the third middle vertical plate (11) and the left vertical plate (4); one end of each steel inserting plate (16) positioned at the outer side of the right vertical plate (5) and one end positioned at the outer side of the left vertical plate (4) are respectively connected through a plurality of bolts (17).
2. Viscous shear type damper with replaceable steel insert plate according to claim 1, characterized in that the intermediate plate (3) comprises an intermediate plate body, wherein both sides of the intermediate plate body are provided with protrusions, a transmission shaft is arranged in the protrusions, both ends of the transmission shaft are provided with transmission gears (20), and the lower end plate (2) is provided with gear marks matched with the transmission gears (20).
3. Viscous shear type damper with interchangeable steel insert plate according to claim 1, characterized in that the pin (17) comprises a first component and two second components;
the first subassembly is the member, and the second subassembly is the corner subassembly, and a plurality of steel picture peg (16) are run through to the first subassembly, and the one end of two second subassemblies can be dismantled with the both ends of first subassembly respectively and be connected, and the other end of two second subassemblies is located left side riser (4) or right side riser (5) tip outside respectively.
4. Viscous shear type damper with exchangeable steel insert plate according to claim 1, characterized in that said viscous means (18) comprises a first sleeve, a first piston rod and a first SMA spring;
the first sleeve is connected with the middle layer plate (3), a first piston is arranged in the first sleeve, one end of a first piston rod is connected with the first piston, the other end of the first piston rod is connected with the middle baffle (8), a first SMA spring is sleeved on the first piston rod, one end of the first SMA spring is connected with the first sleeve, and the other end of the first SMA spring is connected with the middle baffle (8).
5. Viscous shear type damper with exchangeable steel insert plate according to claim 1, characterized in that the shock absorber (19) comprises a second sleeve and a second piston rod;
the second sleeve is connected with the front baffle (13) or the rear baffle (14), a second piston and a second SMA spring are arranged in the second sleeve, one end of the second SMA spring is connected with the second piston, and the other end of the second SMA spring is connected with the front baffle (13) or the rear baffle (14); one end of the second piston rod is connected with the second piston, and the other end of the second piston rod is connected with a first middle vertical plate (9).
6. Viscous shear damper with replaceable steel insert plate according to claim 1, characterized in that several first stiffening ribs (6) are arranged between the left riser (4) and the lower end plate (2) and between the right riser (5) and the lower end plate (2).
7. Viscous shear type damper with interchangeable steel insert plate according to claim 1, characterized in that several second stiffening ribs (7) are provided between the first intermediate riser (9) and the upper end plate (1).
8. Viscous shear damper with interchangeable steel insert plate according to claim 1, characterized in that third stiffening ribs (15) are provided between the intermediate baffle (8) and the left riser (4) and between the intermediate baffle (8) and the right riser (5).
9. Viscous shear type damper with exchangeable steel insert plate according to claim 1, characterized in that the friction damping material is filled between the lower end plate (2) and the intermediate plate (3), and the steel insert plate (16) is made of low yield point steel.
10. Viscous shear type damper with interchangeable steel insert plates according to claim 1, characterized in that the upper end plate (1) and the lower end plate (2) are provided with a plurality of bolt holes for mounting the damper in the damper mounting cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110034204.7A CN112854510B (en) | 2021-01-11 | 2021-01-11 | Viscous shear type damper with replaceable steel inserting plate |
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| CN202110034204.7A CN112854510B (en) | 2021-01-11 | 2021-01-11 | Viscous shear type damper with replaceable steel inserting plate |
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| CN112854510B CN112854510B (en) | 2022-03-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113338467A (en) * | 2021-05-31 | 2021-09-03 | 北京市建筑设计研究院有限公司 | Hierarchical yield shear type mild steel damper and construction method thereof |
| CN114704146A (en) * | 2022-04-25 | 2022-07-05 | 西安建筑科技大学 | Soft steel energy dissipation damper with circular tube top end opened and closed |
| CN114875949A (en) * | 2022-04-29 | 2022-08-09 | 中南大学 | Pile group foundation bearing platform applied to resisting bidirectional horizontal earthquake |
| CN115030589A (en) * | 2022-06-09 | 2022-09-09 | 西安建筑科技大学 | viscous-SMA friction composite damper capable of being restored in stages |
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