CN106320561B - A kind of quadrangle pivoting friction damper - Google Patents
A kind of quadrangle pivoting friction damper Download PDFInfo
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- CN106320561B CN106320561B CN201611004014.6A CN201611004014A CN106320561B CN 106320561 B CN106320561 B CN 106320561B CN 201611004014 A CN201611004014 A CN 201611004014A CN 106320561 B CN106320561 B CN 106320561B
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- quadrangle
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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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- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of quadrangle pivoting friction damper, belongs to technical field of civil engineering.The quadrangle pivoting friction damper includes：First rotating member, the second rotating member, third rotating member and the 4th rotating member, gusset plate, connecting rod, connector, pretightning force bolt, fixing bolt and friction plate；Each two rotating member is hinged by a pretightning force bolt, four rotating members form a quadrangle, sliding slot there are two being set on first rotating member, sliding slot there are two being set on second rotating member, fixing bolt there are one being respectively mounted in each sliding slot, first rotating member and the second rotating member are two rotating members parallel to each other, and the hinged place of each two rotating member is equipped with friction plate；One end of each connecting rod and a gusset plate are hinged, the other end and a connector are hinged, the other end of connector is fixed by the fixing bolt in corresponding sliding slot, when quadrangle pivoting friction damper is not by outer force effect, the intersection point of the axis of four connecting rods is overlapped with the centre of form of quadrangle.
Description
Technical field
The present invention relates to technical field of civil engineering, more particularly to a kind of quadrangle pivoting friction damper.
Background technology
When being given a shock relative storey displacement can occur under the action of shaking force for building, generate story drift, make to build
It builds object to deform upon, when story drift is larger, building can be made to be damaged, mostly use enhancing building itself knot at present
The method of the anti-seismic performance of structure reduces damage of the shaking force to building using the method for installation damper between floors
It is bad.
Common damper is divided into metal damper, fluid viscous damper, frcition damper, viscoelastic damper etc.,
Metal damper have the advantages that stable performance, not influenced by ambient temperature, simple structure, it is cheap, be easily changed, still
It is difficult to control threshold values, i.e., this kind of mild steel damper initial stiffness is smaller, and bearing capacity is low.If increasing initial stiffness, need to increase
Add the quantity of damper steel plate, this so that there is economy and feasibility problems in practical engineering application.Liquid sticky damps
Device performance is stable, energy dissipation capacity is strong, and higher additional damping ratio can be provided to structure without changing its intrinsic frequency, but this
Class damper processing and fabricating is difficult, and higher price, viscous liquid easily leaks；Viscoelastic damper energy dissipation capacity is strong, big shake,
It can work in the case of small shake, but be affected by temperature big, energy dissipation capacity decrease when temperature increases.Friction damper has
There is good energy dissipation capacity, and performance is not affected by temperature, simple structure is easy to make, and cost is relatively low, future in engineering applications
Very well, the common frcition damper for being used for damping between floors is sliding friction damper at present, but sliding friction type damps
The damping effect of device depends on the range of sliding friction damper, and the range of sliding friction damper is typically small, therefore by
To the limitation of its range so that the energy dissipation capacity of sliding friction damper is limited, and damping effect is undesirable, especially when building by
To larger shaking force, when the story drift of generation is larger, sliding friction damper cannot be satisfied damping requirement.
Invention content
Damping requirement cannot be met due to the limitation by its range in order to solve existing sliding friction damper
Problem, the present invention provides a kind of quadrangle pivoting friction damper, the quadrangle pivoting friction damper includes：Four turn
Moving part, respectively the first rotating member, the second rotating member, third rotating member and the 4th rotating member, four gusset plates, four connections
Bar, four connectors, four pretightning force bolts, four fixing bolts and multiple friction plates；
Each two rotating member in four rotating members is hinged by a pretightning force bolt, and four rotating members form one
Quadrangle, quadrangle is square or rectangle, is set on the first rotating member there are two sliding slot, set on the second rotating member there are two
Sliding slot is respectively mounted in each sliding slot there are one fixing bolt, and fixing bolt can slide in sliding slot, the first rotating member and second
Rotating member is two rotating members parallel to each other in four rotating members, and the hinged place of each two rotating member is equipped with friction
Piece；
One end of each connecting rod and a gusset plate are hinged, and one end of the other end and a connector is hinged, Mei Gelian
Fitting corresponds to a sliding slot, and the other end of connector is fixed by the fixing bolt in corresponding sliding slot, when described
When quadrangle pivoting friction damper is not by outer force effect, the shape of the intersection point of the axis of four connecting rods and the quadrangle
The heart overlaps.
When the quadrangle pivoting friction damper is not by outer force effect, first rotating member and described
Width of two rotating members with the cross section of building is mutually parallel.
The third rotating member includes the first steel plate and the second steel plate, and the 4th rotating member includes third steel plate and the 4th
Steel plate；
One end of the first steel plate, one end of the first rotating member and second are sequentially passed through by a pretightning force bolt
One end of the third rotating member and one end of first rotating member are hinged by one end of steel plate；Pass through a pretightning force
One end of one end of screw bolt passes third steel plate, the other end of the first rotating member and the 4th steel plate is rotated the described 4th
One end of part and the other end of first rotating member are hinged；
The other end of the first steel plate, one end of the second rotating member and are sequentially passed through by a pretightning force bolt
The other end of the third rotating member and one end of second rotating member are hinged by the other end of two steel plates；Described in one
Pretightning force bolt sequentially passes through the other end of the other end of third steel plate, the other end of the second rotating member and the 4th steel plate by institute
The other end of the other end for stating the 4th rotating member and second rotating member is hinged.
It is set between one end of first steel plate and one end of first rotating member there are one the friction plate, described the
The friction plate there are one being set between one end of two steel plates and one end of first rotating member；
The friction plate there are one being set between one end of the third steel plate and the other end of first rotating member, it is described
The friction plate there are one being set between one end of 4th steel plate and the other end of first rotating member；
The friction plate there are one being set between the other end of first steel plate and one end of second rotating member, it is described
The friction plate there are one being set between the other end of second steel plate and one end of second rotating member；
The friction plate there are one being set between the other end of the third steel plate and the other end of second rotating member, institute
State the friction plate there are one being set between the other end of the 4th steel plate and the other end of second rotating member.
Each connector includes two connection daughter boards, the respectively first connection daughter board and the second connection daughter board；
One end of the first connection daughter board, the other end of connecting rod and the second connection are sequentially passed through by pin
One connecting rod and one end of a connector are hinged by one end of daughter board；
The other end, a sliding slot and the second connection daughter board of the first connection daughter board are passed through by the fixing bolt
The other end by first connection daughter board the other end and second connection daughter board the other end fix.
Mounting groove is equipped in each gusset plate, one end of the connecting rod is inserted into the mounting groove, and axis is passed through
Hold sequentially pass through the upper surface of gusset plate, the connecting rod in mounting groove and gusset plate lower surface, the bearing both ends
The surface of the gusset plate is tightened to by nut.
Before the connecting rod and the gusset plate and the connector is hinged, prestretching is applied to the connecting rod
Power.
The connecting rod is steel pipe.
The material of first rotating member and second rotating member is steel plate.
The material of the friction plate is asbestos, sintered metal friction material or ceramic fibre.
In the present invention, when building is given a shock power, can by the gusset plate of quadrangle pivoting friction damper,
Shaking force is passed into four rotating members by connecting rod and connector, and four rotating members rotate under the action of shaking force
Deformation, each two rotating member is hinged, and hinged place is equipped with friction plate, therefore four rotating members are in the deformation that rotates
In the process, vibration energy can be consumed, the damper in the present invention can back and forth consume energy with the swing of building, and deformability
Greatly, energy consumption effect is notable, and can be adjusted according to the rotational stiffness of four rotating members of actual conditions pair different to adapt to
Energy consumption demand；It is hinged that the connecting rod of shaking force and gusset plate and connector are transmitted in the present invention, and can be connecting rod
Apply pretension so that connecting rod is in tension state at work, ensures the stability of quadrangle pivoting friction damper；This
Quadrangle pivoting friction damper size in invention is smaller, and the small vibrations that building generates are it is also possible that quadrangle rotates
Four rotating members of frcition damper rotate, and reduce adverse effect of the shaking force to building.
Description of the drawings
Fig. 1 is the structural schematic diagram of quadrangle pivoting friction damper provided by the invention；
Fig. 2 is the energy consumption and distortion schematic diagram of quadrangle pivoting friction damper provided by the invention；
Fig. 3 is the connection structure diagram of the first rotating member provided by the invention, the second rotating member and third rotating member；
Fig. 4 is the connection structure diagram of the first rotating member provided by the invention, third rotating member and the 4th rotating member；
Fig. 5 is connecting rod provided by the invention and the connection structure diagram of connector；
Fig. 6 is the A-A of Fig. 5 provided by the invention to diagrammatic cross-section；
Fig. 7 is the connection structure diagram of gusset plate and building provided by the invention；
Fig. 8 is the B-B direction diagrammatic cross-section of Fig. 7 provided by the invention.
Wherein,
The first rotating members of 1A；The second rotating members of 1B；
1C third rotating members, 131 first steel plates, 132 second steel plates；
The 4th rotating members of 1D, 141 third steel plates, 142 the 4th steel plates；
2 gusset plates, 21 mounting grooves；3 connecting rods；
4 connectors, 41 first connection daughter boards, 42 second connection daughter boards；5 pretightning force bolts；6 fixing bolts；7 friction plates；8
Sliding slot；9 buildings；10 pins；11 bearings；12 nuts.
Specific implementation mode
Damping requirement cannot be met due to the limitation by its range in order to solve existing sliding friction damper
Problem, as shown in Figure 1, the present invention provides a kind of quadrangle pivoting friction damper, the quadrangle pivoting friction damper packet
It includes：Four rotating members, respectively the first rotating member 1A, the second rotating member 1B, third rotating member 1C and the 4th rotating member 1D, four
The connector 4, four of connecting rod 3, four fixing bolt 6 of pretightning force bolt 5, four of gusset plate 2, four and multiple friction plates 7；
Each two rotating member in four rotating members is hinged by a pretightning force bolt 5, and four rotating members form one
A quadrangle, quadrangle is square or rectangle, is set on the first rotating member 1A there are two sliding slot 8, on the second rotating member 1B
If there are two sliding slot 8, it is respectively mounted in each sliding slot 8 there are one fixing bolt 6, fixing bolt 6 can slide in sliding slot 8, the
One rotating member 1A and the second rotating member 1B is two rotating members parallel to each other in four rotating members, the hinge of each two rotating member
The place of connecing is equipped with friction plate 7；
One end of each connecting rod 3 and a gusset plate 2 are hinged, and one end of the other end and a connector 4 is hinged, each
Connector 4 corresponds to a sliding slot 8, and the other end of connector 4 is fixed by the fixing bolt 6 in corresponding sliding slot 8, when four
When side shape pivoting friction damper is not by outer force effect, the intersection point of the axis of four connecting rods 3 and the centre of form weight of quadrangle
It closes.
Quadrangle pivoting friction damper in the present invention may be mounted between two columns of building one across interior, such as Fig. 1
It is shown the cross-sectional view of the building 9 for the quadrangle pivoting friction damper being mounted in the present invention, it can be according to reality
Border needs, can be in each layer of building 9 in each across being respectively mounted a quadrangle pivoting friction damper of building 9
It is respectively mounted a quadrangle pivoting friction damper, it, can be with when quadrangle pivoting friction damper to be mounted in building 9
By four gusset plates 2 be embedded in building 9 or outsourcing building 9 inner surface, by four gusset plates 2 and building 9
After linking together, four fixing bolts 6 can be adjusted, specifically, as shown in Figure 1, each sliding slot 8 can be slidably disposed in respectively
Interior fixing bolt 6 makes the centre of form for the quadrangle that the intersection point of the axis of four connecting rods 3 and four rotating members are formed overlap, such as
Shown in dotted line in Fig. 1, at this point it is possible to tighten four fixing bolts 6 respectively, the fixing bolt 6 after tightening cannot be in sliding slot 8
Interior sliding ensures that the intersection point of the axis of connecting rod 3 and the centre of form of quadrangle be not inclined when building 9 does not generate story drift
It moves, if the intersection point of the axis of four connecting rods 3 and the centre of form of quadrangle are misaligned when building 9 does not generate story drift,
When then building 9 is given a shock generation story drift, sent out even if four connecting rods 3 can not be rotated by couple of force effect around the centre of form
Raw deformation energy consumption, influences energy consumption effect.
As shown in Fig. 2, and referring to Fig. 1, when building 9 is given a shock power, the shaking force in the present invention includes that earthquake applies
The people and object that are applied in the blowing force and building 9 of building 9 to the power of building 9, wind are applied to the power of building 9,
Building 9 can generate story drift under the action of shaking force, rotate displacement, due to each gusset plate 2 with building
Object 9 connects, and each connecting rod 3 is hinged with one end of a gusset plate 2 and a connector 4, the other end of connector 4
The quadrangle formed with four rotating members further through fixing bolt 6 is fixed, and therefore, building 9 can lead to when rotating displacement
The quadrangle hair crossed the transmission of four gusset plates, 2, four connecting rods 3 and four connectors 4 and four rotating members is driven to be formed
Change shape, but due to each two rotating member in four rotating members be it is hinged by pretightning force bolt 5, and every two
The hinged place of a rotating member is equipped with friction plate 7, therefore, when the quadrangle that four rotating members are formed deforms, needs to overcome
The frictional force that the rotation moment of flexure of the pretightning force bolt 5 of hinged place and the friction plate 7 of hinged place generate, in this way, four rotating members
The quadrangle of formation rotate deformation when, can consume the vibration energy that building 9 is subject to, and the rotation range of the quadrangle compared with
Greatly, therefore the ability of consumption vibrations is stronger, can be good at meeting damping requirement, the quadrangle pivoting friction damping in the present invention
Device can be given a shock the when of swinging in building 9 and back and forth consume vibration energy, and the quadrangle that four rotating members are formed turns
Dynamic stiffness can be as desired by the friction coefficient for the size for tightening pretightning force and friction plate 7 for changing pretightning force bolt 5
Rationally controlled.
In the present invention, the material of friction plate 7 can be asbestos, sintered metal friction material or ceramic fibre, meet
The requirement of resistance to compression and durability.
In the present invention, when quadrangle pivoting friction damper to be mounted in building 9, can make to be equipped with sliding slot 8
Rotating member it is parallel with the width of the cross section of building 9, as shown in Figure 1, in the present invention, the rotations of the first rotating member 1A and second
Sliding slot 8 is provided on part 1B, when the quadrangle pivoting friction damper in the present invention is connect with building 9, the first rotation
Part 1A and the second rotating member 1B and the width of the cross section of building 9 are mutually parallel, and so design, can during installation
So that the intersection point of the axis of connecting rod 3 is easier to meet at the centre of form of quadrangle, preferably ensure anti seismic efficiency.
In the present invention, the quadrangle that four rotating members are formed can be that rectangle may be square, when being rectangular
When shape, the length of the first rotating member 1A and the second rotating member 1B are identical, the length of third rotating member 1C and the 4th rotating member 1D's
Length is identical, and the length of third rotating member 1C and the 4th rotating member 1D are greater than the first rotating member 1A's and the second rotating member 1B
Length；When being square, the length of four rotating members is identical, can be rationally designed according to actual conditions.
In the present invention, as shown in Fig. 3, Fig. 4 and Fig. 1, wherein Fig. 3 is A direction views in Fig. 1, Fig. 4 be B in Fig. 1 to
View, third rotating member 1C include the first steel plate 131 and the second steel plate 132, and the 4th rotating member 1D includes third steel plate 141 and the
Four steel plates 142；
As shown in figure 4, sequentially passing through one end of the first steel plate 131, the first rotating member 1A by a pretightning force bolt 5
One end and one end of the second steel plate 132 are one end of third rotating member 1C and one end of the first rotating member 1A to be hinged, and first
Friction plate 7 there are one being set between one end of steel plate 131 and one end of the first rotating member 1A, one end and first of the second steel plate 132
Friction plate 7 there are one being set between one end of rotating member 1A；
As shown in figure 4, sequentially passing through one end of third steel plate 141, the first rotating member 1A by a pretightning force bolt 5
One end of the other end and the 4th steel plate 142 one end of the 4th rotating member 1D and the other end of the first rotating member 1A to be hinged,
Friction plate 7 there are one being set between one end of third steel plate 141 and the other end of the first rotating member 1A, one end of the 4th steel plate 142
Friction plate 7 there are one being set between the other end of the first rotating member 1A；
As shown in figure 3, sequentially passing through the other end, the second rotating member 1B of the first steel plate 131 by a pretightning force bolt 5
One end and the second steel plate 132 the other end with by one end of the other end of third rotating member 1C and the second rotating member 1B cut with scissors
Connect, set between the other end of the first steel plate 131 and one end of the second rotating member 1B there are one friction plate 7, the second steel plate 132 it is another
Friction plate 7 there are one being set between one end and one end of the second rotating member 1B；
By a pretightning force bolt 5 sequentially pass through the other end of third steel plate 141, the second rotating member 1B the other end with
And the 4th steel plate 142 the other end the other end of the 4th rotating member 1D and the other end of the second rotating member 1B to be hinged, third
Friction plate 7 there are one being set between the other end of steel plate 141 and the other end of the second rotating member 1B, the other end of the 4th steel plate 142
Friction plate 7 there are one being set between the other end of the second rotating member 1B.
In the present invention, the first rotating member 1A is one block of steel plate, and the second rotating member 1B is one block of steel plate, third rotating member 1C
Include two blocks of steel plates including two blocks of steel plates, the 4th rotating member 1D, four rotating members are connected in the above manner, are made each
Pretightning force bolt 5 connects three blocks of steel plates, also, a friction plate 7 is arranged between every two blocks of adjacent steel plates, so increases and rubs
The quantity in wiping face can increase the energy consumption of quadrangle, further increase when the quadrangle that four rotating members are formed rotates
Anti seismic efficiency.
In the present invention, since the connection type of connecting rod 3 and gusset plate 2 and connector 4 is hinged so that connection
The influence that bar 3 is only rotated around hinge joint without bending moment during the work time, can be by each connecting rod 3 and gusset plate
2 and connector 4 it is hinged before, pretension is applied to each connecting rod 3, ensures to be given a shock power band in turn when building 9
When dynamic quadrangle pivoting friction damper deforms, connecting rod 3 is use up due to the presence of pretension without being acted on by pressure
Amount is so that if the working condition that connecting rod 3 is in tension may influence the present invention because of the effect that connecting rod 3 is under pressure
In quadrangle pivoting friction damper stability, therefore by applying pretension to every connecting rod 3, ensure quadrangle
The stability of pivoting friction damper.
In the present invention, connecting rod 3 can be designed as steel pipe, and steel pipe is hollow tubing, for solid bar member,
The section modulus bigger of steel pipe, stability in a compressed state are more preferable；Due to the hollow tubing of steel pipe, four sides can also be mitigated
The dead weight of shape pivoting friction damper；Further, can also to steel pipe apply pretension after again with gusset plate 2 and connector
4 connections, are further ensured that the stability of quadrangle pivoting friction damper.
As shown in Fig. 5, Fig. 6 and Fig. 1, in the present invention, each connector 4 includes two connection daughter boards, and respectively the
One connection daughter board 41 and second connects daughter board 42；
One end of the first connection daughter board 41, the other end of connecting rod 3 are sequentially passed through by pin 10 and second are connected
One end of daughter board 42 is connect so that a connecting rod 3 and one end of a connector 4 to be hinged；
The other end of the first connection daughter board 41, a sliding slot 8 and second is passed through to connect daughter board 42 by fixing bolt 6
The other end fixes the other end of the other end of the first connection daughter board 41 and the second connection daughter board 42.
In the present invention, by the way that two connection daughter boards are arranged for connector 4 so that the other end of connecting rod 3 is hinged on two
Between a connection daughter board, connecting rod 3 can be made more stably to be rotated around pin 10.
As shown in Figure 7 and Figure 8, in the present invention, mounting groove 21 is equipped in each gusset plate 2, one end of connecting rod 3 is inserted
Enter in mounting groove 21, the upper surface of gusset plate 2, the connecting rod 3 in mounting groove 21 and section are sequentially passed through by bearing 11
The lower surface of contact plate 2, and 11 both ends of bearing are tightened to the surface of gusset plate 2 by nut 12, it so can the company of completion
Extension bar 3 is hinged with gusset plate 2, when building 9 be given a shock power and when being deformed, connecting rod 3 can around with gusset plate 2
Hinge joint rotation.
In the present invention, when building 9 is given a shock power, the gusset plate of quadrangle pivoting friction damper can be passed through
2, shaking force is passed into four rotating members by connecting rod 3 and connector 4, and four rotating members occur under the action of shaking force
Rotational deformation, each two rotating member is hinged, and hinged place is equipped with friction plate 7, therefore four rotating members are rotating
During deformation, vibration energy can be consumed, the damper in the present invention can back and forth consume energy with the swing of building 9, and
Deformability is big, and energy consumption effect is notable, and can be adjusted according to the rotational stiffness of four rotating members of actual conditions pair with suitable
Answer different energy consumption demands；It is hinged that the connecting rod 3 of shaking force and gusset plate 2 and connector 4 are transmitted in the present invention, and can
Think that connecting rod 3 applies pretension so that connecting rod 3 is in tension state at work, ensures the damping of quadrangle pivoting friction
The stability of device；Quadrangle pivoting friction damper size in the present invention is smaller, and the small vibrations that building 9 generates can also
So that four rotating members of quadrangle pivoting friction damper rotate, adverse effect of the shaking force to building 9 is reduced.
Claims (10)
1. a kind of quadrangle pivoting friction damper, which is characterized in that the quadrangle pivoting friction damper includes：Four turn
Moving part, respectively the first rotating member (1A), the second rotating member (1B), third rotating member (1C) and the 4th rotating member (1D), four
Gusset plate (2), four connecting rods (3), four connectors (4), four pretightning force bolts (5), four fixing bolts (6) and multiple
Friction plate (7)；
Each two rotating member in four rotating members is hinged by a pretightning force bolt (5), and four rotating members form one
Quadrangle, quadrangle is square or rectangle, is set on the first rotating member (1A) there are two sliding slot (8), the second rotating member
It is set on (1B) there are two sliding slot (8), is respectively mounted in each sliding slot (8) there are one fixing bolt (6), fixing bolt (6) can be
Sliding in sliding slot (8), the first rotating member (1A) and the second rotating member (1B) are that two in four rotating members are parallel to each other
Rotating member, the hinged place of each two rotating member is equipped with friction plate (7)；
One end of each connecting rod (3) and a gusset plate (2) are hinged, and one end of the other end and a connector (4) is hinged, often
A connector (4) corresponds to a sliding slot (8), and the other end of connector (4) passes through the fixation in corresponding sliding slot (8)
Bolt (6) is fixed, when the quadrangle pivoting friction damper is not by outer force effect, the axis of four connecting rods (3)
Intersection point overlapped with the centre of form of the quadrangle.
2. quadrangle pivoting friction damper according to claim 1, which is characterized in that when the quadrangle pivoting friction
When damper is not by outer force effect, first rotating member (1A) and second rotating member (1B) are and building
(9) width of cross section is mutually parallel.
3. quadrangle pivoting friction damper according to claim 1, which is characterized in that third rotating member (1C) packet
The first steel plate (131) and the second steel plate (132) are included, the 4th rotating member (1D) includes third steel plate (141) and the 4th steel plate
(142)；
By a pretightning force bolt (5) sequentially pass through one end of the first steel plate (131), the first rotating member (1A) one end
And second one end of steel plate (132) one end of one end of the third rotating member (1C) and first rotating member (1A) is cut with scissors
It connects；By a pretightning force bolt (5) sequentially pass through one end of third steel plate (141), the first rotating member (1A) it is another
End and one end of the 4th steel plate (142) are by the another of one end of the 4th rotating member (1D) and first rotating member (1A)
End is hinged；
By a pretightning force bolt (5) sequentially pass through the other end of the first steel plate (131), the second rotating member (1B) one
The other end of end and the second steel plate (132) is by the other end of the third rotating member (1C) and second rotating member (1B)
One end is hinged；The other end of third steel plate (141), the second rotating member are sequentially passed through by a pretightning force bolt (5)
The other end of the other end of (1B) and the 4th steel plate (142) is by the other end of the 4th rotating member (1D) and described second turn
The other end of moving part (1B) is hinged.
4. quadrangle pivoting friction damper according to claim 3, which is characterized in that first steel plate (131)
The friction plate (7) there are one being set between one end and one end of first rotating member (1A), the one of second steel plate (132)
The friction plate (7) there are one being set between end and one end of first rotating member (1A)；
The friction plate there are one being set between one end and the other end of first rotating member (1A) of the third steel plate (141)
(7), the friction plate there are one being set between one end and the other end of first rotating member (1A) of the 4th steel plate (142)
(7)；
The friction plate there are one being set between the other end and one end of second rotating member (1B) of first steel plate (131)
(7), the friction plate there are one being set between the other end and one end of second rotating member (1B) of second steel plate (132)
(7)；
The friction there are one being set between the other end and the other end of second rotating member (1B) of the third steel plate (141)
Piece (7) sets between the other end and the other end of second rotating member (1B) of the 4th steel plate (142) and rubs there are one described
Pad (7).
5. quadrangle pivoting friction damper according to claim 1, which is characterized in that each connector (4) is equal
Including two connection daughter boards, the respectively first connection daughter board (41) and the second connection daughter board (42)；
By pin (10) sequentially pass through one end of the first connection daughter board (41), the other end of connecting rod (3) and
One end of second connection daughter board (42) is hinged by one end of a connecting rod (3) and a connector (4)；
The other end, a sliding slot (8) and the second company of the first connection daughter board (41) are passed through by the fixing bolt (6)
The other end for connecing daughter board (42) fixes the other end of the other end of the first connection daughter board (41) and the second connection daughter board (42).
6. quadrangle pivoting friction damper according to claim 1, which is characterized in that in each gusset plate (2)
Equipped with mounting groove (21), one end of the connecting rod (3) is inserted into the mounting groove (21), and section is sequentially passed through by bearing (11)
The upper surface of contact plate (2), be located at mounting groove (21) in connecting rod (3) and gusset plate (2) lower surface, the bearing (11)
Both ends are tightened to the surface of the gusset plate (2) by nut (12).
7. quadrangle pivoting friction damper according to claim 1, which is characterized in that by the connecting rod (3) with
Before the gusset plate (2) and the connector (4) are hinged, pretension is applied to the connecting rod (3).
8. according to the quadrangle pivoting friction damper described in any one of claim 1 to 7 claim, which is characterized in that institute
It is steel pipe to state connecting rod (3).
9. according to the quadrangle pivoting friction damper described in any one of claim 1 to 7 claim, which is characterized in that institute
The material for stating the first rotating member (1A) and second rotating member (1B) is steel plate.
10. according to the quadrangle pivoting friction damper described in any one of claim 1 to 7 claim, which is characterized in that institute
The material for stating friction plate (7) is asbestos, sintered metal friction material or ceramic fibre.
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| CN107355111B (en) * | 2017-08-21 | 2019-05-24 | 武汉理工大学 | A kind of cross positioning device of damper |
| CN107882200A (en) * | 2017-12-18 | 2018-04-06 | 安徽工程大学 | Friction energy-dissipating damper with function of displacement amplification |
| CN108412073A (en) * | 2018-03-05 | 2018-08-17 | 安徽理工大学 | A kind of novel U-shaped mild steel damper |
| CN108518114B (en) * | 2018-04-17 | 2019-11-26 | 江西科技师范大学 | The efficient energy-consumption damper of metal |
| CN108678488B (en) * | 2018-06-07 | 2024-04-30 | 沈阳建筑大学 | Wall piece type rotary friction damper |
| CN111827502B (en) * | 2020-06-04 | 2022-08-19 | 上海大学 | High-efficient energy dissipation shock attenuation engineering structure system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2717144B2 (en) * | 1988-06-20 | 1998-02-18 | 清水建設株式会社 | Friction damper |
| CN2233957Y (en) * | 1995-08-20 | 1996-08-28 | 华南建设学院西院 | Energy-releasing shock-damping device for storeyed building |
| CN101748820A (en) * | 2008-12-06 | 2010-06-23 | 青岛理工大学 | Energy-consuming and shock-absorbing supporting device |
| CN104088374B (en) * | 2014-06-12 | 2016-03-23 | 清华大学 | Metal composite frcition damper |
| CN104122934B (en) * | 2014-07-15 | 2016-06-22 | 北京航空航天大学 | A kind of adjustable stabilized platform position-limit mechanism of attitude scope |
| CN206157941U (en) * | 2016-11-15 | 2017-05-10 | 沈阳建筑大学 | Quadrangle pivoting friction attenuator |
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