CN115467557A - Building displacement vibration damping device and method - Google Patents
Building displacement vibration damping device and method Download PDFInfo
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- CN115467557A CN115467557A CN202211157341.0A CN202211157341A CN115467557A CN 115467557 A CN115467557 A CN 115467557A CN 202211157341 A CN202211157341 A CN 202211157341A CN 115467557 A CN115467557 A CN 115467557A
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000013016 damping Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 39
- 239000006096 absorbing agent Substances 0.000 claims description 43
- 230000035939 shock Effects 0.000 claims description 38
- 238000009424 underpinning Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
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- 229910000831 Steel Inorganic materials 0.000 description 12
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- 230000009471 action Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
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- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
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- 238000012856 packing Methods 0.000 description 1
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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
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- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
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Abstract
The invention provides a building displacement vibration damping device and method, relates to the field of building displacement, and aims to solve the problem that a displaced building is damaged due to poor vibration damping effect in the current building displacement process.
Description
Technical Field
The invention relates to the field of building displacement, in particular to a building displacement vibration damping device and method.
Background
The displacement engineering is to change the spatial position of a building or a structure (generally called as a building) through certain engineering technical means under the condition of keeping the integrity of the building, and the displacement engineering comprises single displacement and combined displacement such as translation, climbing, lifting, rotating, steering and the like. Before the building is displaced, underpinning is required and a lower rail is manufactured, and the underpinning structure and the lower rail which are usually adopted are mainly of a reinforced concrete structure and a steel structure. Common displacement devices are classified into rolling type, sliding type, wheel-moving type and combined type, the displacement devices are in direct contact with the underpinning structure and the track, and vibration in the displacement process can be transmitted to a displacement object through the underpinning structure. The defects of the current engineering practice are as follows: during the displacement process, particularly when starting, friction is generated among the displacement device, the underpinning structure and the lower rail, large vibration is generated, and acceleration generated by the vibration is transmitted to a building through the displacement device, so that the building is damaged to a certain extent. It is common practice in engineering to temporarily reinforce a displaced object before displacement or to repair damage after displacement.
At present, some sliding feet, sliding supports and the like have adjusting effects on uneven settlement, inclination and bearing capacity change generated in the displacement process, but have limited blocking effects on vibration generated in the displacement process, are mostly adjusted in a single direction, and ignore the problems of uncontrollable vibration direction and multiple directions in the displacement process of a building. Especially for some buildings sensitive to vibration influence, such as stone cultural relic Buddha or other equipment with special requirements on vibration, destructive damage is often generated to the displaced buildings when the barrier effect is not good, and the displacement auxiliary structure with the traditional adjusting effect is difficult to apply.
Disclosure of Invention
The invention aims to provide a building displacement vibration damping device and method aiming at the defects in the prior art, which are used for absorbing vibration generated in the displacement process through the cooperation of a vibration absorber, a pin key plate and a pin key groove and cooperatively realizing the absorption of uncontrollable direction vibration, so that the vibration generated by the displacement construction in the building displacement process is prevented from being transmitted to a displacement object through a underpinning structure, and the displacement object is protected from being damaged.
The invention aims to provide a building displacement vibration damper, which adopts the following scheme:
the shock absorber comprises an upper connecting plate, a lower connecting plate and a shock absorber, wherein one end of the shock absorber is attached to the upper connecting plate, and the other end of the shock absorber is attached to the lower connecting plate so as to transfer vertical load and partial load in the displacement direction; the upper junction plate is equipped with the round pin keyway, and the lower junction plate is equipped with down the round pin keyway, and round pin key board one end is visited into down in the round pin keyway, and the other end is visited into in the round pin keyway to transmission aversion direction load, between round pin key board and the round pin keyway inner wall down, all filled there is the elastic layer between round pin key board and the last round pin keyway inner wall.
Furthermore, the pin key plate and the corresponding pin key groove form a displacement force transmission mechanism, the two sides of the shock absorber are respectively provided with the displacement force transmission mechanism, and the plane where the pin key plate is located is parallel to the displacement direction.
Furthermore, the upper pin key groove and the lower pin key groove are the same in structure and are groove structures formed by connecting the upper connecting plate and the lower connecting plate with the pin key baffle plates, and the upper pin key groove and the lower pin key groove of the same displacement force transmission mechanism are opposite in opening.
Further, gaps are reserved between the end part of the pin key plate and the upper connecting plate and between the end part of the pin key plate and the lower connecting plate, and the vertical movement stroke of the pin key plate is larger than the vertical deformation of the shock absorber.
Further, the gap at the end of the pin key plate is filled with an elastic layer, and the end of the pin key plate is kept in the pin key groove.
Further, the upper connecting plate and the lower connecting plate are arranged at intervals relatively, and the end parts of the shock absorbers are respectively attached to the upper connecting plate and the lower connecting plate so as to transmit partial displacement direction load through friction at the attaching positions.
Furthermore, in the shifting direction, the front part and the rear part of the shock absorber are respectively provided with a stop dog, and the upper connecting plate and the lower connecting plate are both connected with the stop dogs so as to restrict the dislocation of the shock absorber in the shifting direction.
Further, in the displacement direction, the movement range of the pin key plate in the pin key groove is within the movement range of the damper along the connecting plate, so that the acting force generated by the pin key plate and the pin key groove is prior to the acting force generated by the damper and the stopper.
A second object of the present invention is to provide a construction method using the building displacement vibration damping device as described in the first object, comprising:
the upper connecting plate is arranged on the building underpinning beam, the shock absorber, the upper connecting plate, the lower connecting plate and the pin key plate are assembled, and the lower connecting plate is contacted with the track structure through the supporting piece;
applying a moving force, and enabling the pin key plate and the shock absorber to act together to enable the lower connecting plate to move along the track structure through the supporting piece and drive the upper building to move;
the vibration absorber transmits vertical load and partial load in the displacement direction, and absorbs vibration generated in the displacement process; the pin key plate is matched with the pin key groove to transfer load in the displacement direction, and vibration generated in the displacement process is absorbed through the elastic layer.
Further, in the displacement process, the pin key plate and the corresponding pin key groove restrain the dislocation of the displacement direction of the shock absorber, and the shock absorber transmits part of load in the displacement direction through friction force between the shock absorber and the upper connecting plate and between the shock absorber and the lower connecting plate.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) Aiming at the problem that the displaced building is damaged due to poor vibration reduction and isolation effect in the displacement process of the existing building, the vibration generated in the displacement process is absorbed through the cooperation of the vibration absorber, the pin key plate and the pin key groove, and the absorption of the vibration in the uncontrollable direction is cooperatively realized, so that the vibration generated in the construction of blocking displacement in the displacement process of the building is transmitted to a displaced object through the underpinning structure, and the displaced object is protected from being damaged.
(2) The vibration absorber bears all vertical loads and part of horizontal loads, and can absorb vibration generated in the displacement process in the using process; the pin key plate is matched with the pin key groove, so that the defect that the shock absorber deforms too much under the action of horizontal load is overcome, the horizontal load is mainly borne, the vibration generated in the shifting process is prevented from being transmitted through the pin key plate and the pin key groove, the elastic layer is introduced to absorb the vibration, and the good vibration reduction and vibration isolation effects are achieved under the synergistic effect.
(3) The elastic layer is filled between the circumferential direction of the pin key plate and the inner wall of the pin key groove, so that vibration transmission can be blocked through elastic deformation and load can be transmitted, the absorption of vibration in the shifting direction and the transmission of force in the shifting direction are realized, and meanwhile, a gap is reserved in the vertical direction of the pin key groove, so that the process that the vibration absorber bears the vertical load to absorb vibration is not interfered, and the blocking effect on vibration is ensured.
(4) The whole modular structure who is convenient for disassemble and install can select for use the equipment according to engineering actual demand, realizes used repeatedly.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural view of a building displacement vibration damping device in embodiments 1 and 2 of the present invention.
Fig. 2 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is a schematic cross-sectional view at B-B in fig. 1.
Fig. 4 is a schematic view showing the structure of the key groove of the pin in embodiments 1 and 2 of the present invention.
Fig. 5 is a schematic structural view of a lower connecting plate in embodiments 1 and 2 of the present invention.
The structure comprises a pin key plate 1, a longitudinal baffle plate 2, a transverse baffle plate 3, a stiffening rib 4, an upper connecting plate 5, a lower connecting plate 6, a vibration absorber 7, a stop block 8, an elastic layer 9, a roller 10, a underpinning structure 11 and a track structure 12.
Detailed Description
Example 1
In an exemplary embodiment of the present invention, a building displacement damping device is provided, as shown in fig. 1-5.
In the building displacement process, some special buildings have high requirements for displacement vibration suppression, such as stone cultural relic Buddha images, buildings with high-precision equipment and the like, and are sensitive to vibration influence and easily damaged by vibration. During the displacement process, particularly when starting, friction is generated among the displacement device, the underpinning structure 11 and the lower rail, so that large vibration is generated, and acceleration generated by the vibration is transmitted to a building through the displacement device, so that certain damage is generated.
Although the existing projects can temporarily reinforce the displacement object before displacement or repair the damage after displacement, the existing projects still cannot meet the displacement requirement of buildings sensitive to vibration influence. In addition, some sliding feet, sliding supports and the like have adjusting effects on uneven settlement, inclination and bearing capacity change generated in the displacement process at present, but have limited blocking effect on vibration generated in the displacement process, cannot be applied, are difficult to meet the requirement of blocking vibration, and can generate destructive damage when being directly applied.
The building displacement vibration damping device shown in fig. 1 can realize that vibration generated by blocking displacement construction in the displacement process is transmitted to a displacement object through the underpinning structure 11, protect the displacement object from being damaged, and avoid temporary reinforcement measures before displacement and repair of damage after displacement.
The building displacement vibration damper can be suitable for displacement of a building, and mainly comprises a connecting plate, a vibration damper 7 and a pin key plate 1, wherein the connecting plate is divided into an upper connecting plate 5 and a lower connecting plate 6, the upper connecting plate 5 is used for connecting a underpinning structure 11 of the displaced building, the lower connecting plate 6 is used for being matched with a supporting piece on a track structure 12, such as a roller 10, a sliding block and the like, the vibration damper 7 and the pin key plate 1 are both positioned between the lower connecting plate 6 and the upper connecting plate 5, the vibration damper 7 mainly bears vertical load, the lower connecting plate 6 bears the upper connecting plate 5 and the displaced building through the vibration damper 7, and vibration in the displacement process can be absorbed through the vibration damper 7. One end of the shock absorber 7 contacts the lower connecting plate 6, the other end of the shock absorber contacts the upper connecting plate 5, after the upper connecting plate 5 is matched with the underpinning structure 11 to bear a displacement building, pressure action is formed among the shock absorber 7, the upper connecting plate 5 and the lower connecting plate 6, and when the shock absorber moves, partial displacement direction load can be borne through friction force.
Be equipped with the round pin keyway on upper junction plate 5 and lower connecting plate 6 respectively, upper junction plate 5 is equipped with the round pin keyway, and lower connecting plate 6 is equipped with down the round pin keyway, and 1 one end of round pin key board is visited into in the round pin keyway down, and the other end is visited into in the round pin keyway to the transmission direction load that shifts. During normal operation, the lower end of the pin key plate 1 is located on the lower connecting plate 6 at the position of the lower pin key groove, the pin key plate 1 and the upper connecting plate 5 are arranged at intervals, and the intervals between the pin key plate 1 and the upper connecting plate 5 enable the position between the upper connecting plate 5 and the lower connecting plate 6 to be changed, namely, under the working state of the shock absorber 7, the pin key plate 1 can transfer loads in the displacement direction, vertical loads are not transferred, and the vertical loads are transferred by the shock absorber 7.
When round pin key board 1 and round pin keyway cooperation, can absorb the vibration that the aversion in-process produced, through all filling between round pin key board 1 and lower round pin keyway inner wall, between round pin key board 1 and the last round pin keyway inner wall and realizing with elastic layer 9.
As shown in fig. 1 and 2, the pin keyway is formed by the surrounding of the baffles, the pin keyway longitudinal baffles 2 and the pin keyway transverse baffles 3 form the pin keyway in combination with the keyway stiffening ribs 4, into which the end of the pin keyway plate 1 can be inserted.
In the embodiment, the shock absorber 7 adopts a spring-damper which has good shock absorption effect, but has larger deformation under the action of horizontal force in the displacement process, and the pin key plate 1 is introduced in order to fully utilize the shock absorption effect of the spring-damper and avoid the shock absorber from being subjected to larger horizontal force. In order to meet the requirements of installation and limitation of the pin key plate 1, the pin key groove consisting of the pin key groove longitudinal baffle 2, the pin key groove transverse baffle 3 and the pin key groove stiffening rib 4 is introduced, and the pin key plate 1 is placed into the pin key groove.
It will be appreciated that in other embodiments, the spring-damper may be replaced with an air spring, a laminated rubber mount, or other shock mount. The rollers 10 may also be replaced with slide or wheel type displacement devices.
In order to reduce the propagation of vibration through the pin key plate 1, rubber is filled in the gap between the pin key plate 1 and the pin key groove. Enough gaps are reserved between the pin key plate 1 and the connecting plate, and vertical load is guaranteed to be transmitted through the spring-damper, so that the purpose of vibration reduction is achieved. The pin key groove stiffening rib 4 is transversely arranged on the outer side of the pin key groove transverse baffle 3 and mainly used for resisting the horizontal effect transmitted by the pin key groove. The spring-damper stop 8 acts to limit the spring-damper and prevent the spring-damper from disengaging from the device. Rubber is arranged between the upper end and the lower end of the spring-damper and the spring-damper stop block 8 and the pin keyway longitudinal baffle 2, and is used for blocking vibration propagation.
In the embodiment, gaps are reserved between the end part of the pin key plate 1 and the upper connecting plate 5 and between the end part of the pin key plate 1 and the lower connecting plate 6, and the vertical movement stroke of the pin key plate 1 is greater than the vertical deformation of the shock absorber 7, so that vertical load is preferentially borne and transmitted by the shock absorber 7; the clearance packing of the key board 1 tip has elastic layer 9, keeps key board 1 tip to be located the key board, and the key board 1 holding position of being convenient for avoids deviating from and uncontrollably rocking of key board 1.
The spring-damper is a finished product, the type is selected according to the weight of a displacement object, when the lower part of the pin key plate 1 is borne by the elastic layer 9, a gap is reserved between the upper part of the pin key plate 1 and the upper connecting plate 5, and the vertical deformation of the configured spring-damper under the weight of the displacement object is smaller than the gap between the pin key plate 1 and the upper pin key groove.
The upper connecting plate 5 and the lower connecting plate 6 are oppositely arranged at intervals, and the ends of the spring-damper are respectively attached to the upper connecting plate 5 and the lower connecting plate 6 so as to transmit part of displacement direction load through friction at the attaching position; when the finished spring-damper leaves a factory, the upper end and the lower end of the finished spring-damper are both provided with steel plates, one end of the spring-damper is attached to the upper connecting plate 5, the other end of the spring-damper is attached to the lower connecting plate 6 so as to transmit vertical load and partial load in the displacement direction, and the steel plates are in direct contact with the connecting plates and can transmit vertical load and partial horizontal load (the friction coefficient between steel and steel is 0.3).
The front part and the rear part of the spring-damper are respectively provided with a stop block 8 along the displacement direction, the upper connecting plate 5 and the lower connecting plate 6 are both connected with the stop blocks 8 to restrict the dislocation of the spring-damper in the displacement direction, the longitudinal end part horizontally limits the spring-damper through the stop blocks 8, and the moving range of the pin key plate 1 in the pin key groove is positioned in the moving range of the spring-damper along the connecting plate along the displacement direction, so that the acting force generated by the pin key plate 1 and the pin key groove is prior to the acting force generated by the spring-damper and the stop blocks 8.
The end part of the spring-damper, which is perpendicular to the plane direction of the pin key plate 1, is limited through the pin key groove longitudinal baffle 2, a gap of 5 mm-10 mm is reserved between the spring-damper stop block 8 and the pin key groove longitudinal baffle 2 and the spring-damper, the gap is filled with rubber to serve as an elastic layer 9, and the stop block 8 is connected with the upper connecting plate 5 and the stop block 8 is connected with the lower connecting plate 6 through welding. The longitudinal direction is the main force direction when moving.
The upper connecting plate 5 and the lower connecting plate 6 are steel plates, the lower surface of the lower connecting plate 6 is in direct contact with the rolling shaft 10 or the sliding block, and the upper connecting plate 5 is connected with the underpinning structure 11 through welding (the underpinning structure 11 is a steel structure) or anchor bolts (the underpinning structure 11 is a reinforced concrete structure).
As shown in fig. 5, the spring-damper stop 8, the pin keyway longitudinal baffle 2, the pin keyway transverse baffle 3, and the pin keyway stiffener 4 are connected to the upper connection plate 5 and the lower connection plate 6, respectively, by welding. The thicknesses of the upper connecting plate 5 and the lower connecting plate 6 can be 14-25 mm. The upper connecting plate 5 is mainly used for connecting the underpinning structure 11 and the vibration damper, so that the load of a displacement object is smoothly transmitted to the vibration damper, the underpinning structure 11 can be uniformly stressed, and an upper pin key groove is formed by the underpinning structure, the pin key groove longitudinal baffle 2, the pin key groove transverse baffle 3 and the pin key groove stiffening rib 4. The lower connecting plate 6 is mainly used for connecting the upper vibration damping device and the lower displacement device, so that the load is uniformly transmitted to the moving device by the vibration damping device. The lower connecting plate 6, the pin keyway longitudinal baffle 2, the pin keyway transverse baffle 3 and the pin keyway stiffening rib 4 form a lower pin keyway,
as shown in fig. 3 and 4, the pin key plate 1 and the corresponding pin key groove form a displacement force transmission mechanism, the two sides of the damper 7 are respectively provided with the displacement force transmission mechanism, and the plane of the pin key plate 1 is parallel to the displacement direction. The upper pin key groove and the lower pin key groove are of the same structure and are of groove structures formed by connecting the upper connecting plate 5 or the lower connecting plate 6 with the pin key baffle, and the upper pin key groove and the lower pin key groove of the same displacement force transmission mechanism are opposite in opening.
The pin key plate 1 is a square or rectangular steel plate, the thickness of the pin key plate can be 16-25 mm, the upper end and the lower end of the pin key plate are respectively placed in the pin key grooves at corresponding positions, rubber with the thickness of 5-10 mm is arranged in a gap between the pin key plate 1 and the pin key grooves and used for blocking vibration transmission, an enough gap is reserved between the upper end of the pin key plate 1 and the upper pin key grooves, the gap is larger than the vertical deformation of the spring-damper under the weight of a displacement object, and the gap is filled with rubber to serve as an elastic layer 9 so as to ensure that the spring-damper bears all vertical loads and achieve the purpose of blocking vibration.
The longitudinal baffle 2 of the pin key groove, the transverse baffle 3 of the pin key groove and the stiffening rib 4 of the pin key groove are steel plates, the thickness can be 12 mm-20 mm, and the two longitudinal baffle 2 of the pin key groove are a group to form the pin key groove and are totally four. The pin keyway transverse baffle 3 is positioned at two ends of the pin keyway longitudinal baffle 2 and used for longitudinally limiting the pin keyway plate 1 and mainly generating longitudinal horizontal force during displacement, and two pin keyway stiffening ribs 4 are arranged on the outer side of the pin keyway transverse baffle 3 and used for resisting the longitudinal horizontal force generated during displacement.
It should be noted that the spring-damper can isolate the vibration generated in the displacement process, but the horizontal stiffness of the spring-damper is small, and the spring-damper can generate large deformation under the action of the horizontal force during the displacement, and the existence of the pin key plate 1 can bear most of the horizontal action, so that the spring-damper is prevented from generating large deformation to cause instability, and the stability of the vibration damping device is ensured.
Meanwhile, a gap of 5-10 mm is reserved between the pin key plate 1 and the groove baffle plate and used for filling rubber, the rubber can isolate vibration and can transmit load, an enough gap (determined according to displacement vertical load and spring-damper vertical rigidity calculation) is reserved between the upper portion of the pin key plate 1 and the groove, the spring-damper is guaranteed to mainly bear vertical load and partial horizontal load during displacement, and the pin key plate 1 mainly bears horizontal force generated in the displacement process. Vibrations are effectively damped as they propagate through the spring-damper and the rubber.
The vibration absorber 7 bears all vertical loads and part of horizontal loads, and can absorb vibration generated in the displacement process in the using process; the pin key plate 1 is matched with the pin key groove to mainly make up the defect that the vibration absorber 7 deforms too much under the action of horizontal load, mainly bear the horizontal load, and the elastic layer 9 is introduced to absorb vibration in order to prevent the vibration generated in the displacement process from being transmitted through the pin key plate 1 and the pin key groove, so that the good vibration absorption and vibration isolation effects are achieved under the synergistic effect.
In addition, the building displacement vibration damping device in the embodiment can prevent the damage of vibration generated in the displacement process to the displacement object, can well protect the displacement object, avoids temporary reinforcement measures on the displacement object before displacement, avoids repairing damage generated in the displacement process, saves materials and shortens the construction period.
In the present embodiment, the steel plate is used as an example for manufacturing the building displacement vibration damping device, and in other embodiments, other materials may be selected as needed.
Engineering experience shows that the vibration can be effectively reduced by more than 80% in the displacement process. The building displacement vibration damper can be divided into four single bodies, can be combined and used at will according to engineering requirements, cannot be damaged in the using process, can be repeatedly used in engineering, and the pin key plate 1 and the spring-damper can be adjusted and selected according to the actual engineering. The spring-damper is a common vibration damping product, and is really simple and easy to implement.
Example 2
In another exemplary embodiment of the present invention, as shown in fig. 1 to 5, a construction method of a building displacement vibration damping device is provided.
With the construction displacement vibration damping device as in embodiment 1, the construction method includes:
the upper connecting plate 5 is arranged on a building underpinning structure 11, a shock absorber 7, the upper connecting plate 5, the lower connecting plate 6 and the pin key plate 1 are assembled, and the lower connecting plate 6 is contacted with a track structure 12 through a supporting piece;
applying a moving force, and under the combined action of the pin key plate 1 and the shock absorber 7, enabling the lower connecting plate 6 to move along the track structure 12 through the support piece and driving the upper building to move;
the shock absorber 7 transmits vertical load and partial load in the displacement direction and absorbs vibration generated in the displacement process; the pin key plate 1 is matched with the pin key groove to transmit load in the displacement direction, and vibration generated in the displacement process is absorbed and absorbed through the elastic layer 9.
Meanwhile, in the shifting process, the pin key plate 1 and the corresponding pin key groove restrain the dislocation of the shock absorber 7 in the shifting direction, and the shock absorber 7 transmits part of load in the shifting direction through the friction force between the shock absorber 7 and the upper connecting plate 5 and the lower connecting plate 6.
With reference to fig. 1-5 and the embodiments, the installation sequence of the first-time building displacement vibration damping device is as follows:
the pin key groove longitudinal baffle 2 is respectively welded with the upper connecting plate 5 and the lower connecting plate 6 → the pin key groove transverse baffle 3 is respectively welded with the upper connecting plate 5 and the lower connecting plate 6 → the pin key groove stiffening rib 4 is respectively welded with the upper connecting plate 5 and the lower connecting plate 6 and the pin key groove transverse baffle 3 → the spring-damper stopper 8 is respectively welded with the upper connecting plate 5 and the lower connecting plate 6 → the rubber elastic layer 9 in the pin key groove, the upper steel plate of the spring-damper, the lower steel plate and the pin key groove longitudinal baffle 2 and the rubber elastic layer 9 between the spring-damper stopper 8 → the spring-damper and the pin key plate 1 are arranged on the lower pin key groove and the lower connecting plate 6 → the upper pin key groove and the upper connecting plate 5 which are welded are arranged on the pin key plate 1 and the spring-damper.
The building displacement vibration damper can be divided into four monomers, namely an upper pin key groove and upper connecting plate 5, a lower pin key groove and lower connecting plate 6, a spring-damper and a pin key plate 1, can be assembled according to actual engineering requirements, can be combined at will and reused, and can be rapidly installed and disassembled.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A building displacement vibration damper is characterized by comprising an upper connecting plate, a lower connecting plate and a vibration damper, wherein one end of the vibration damper is attached to the upper connecting plate, and the other end of the vibration damper is attached to the lower connecting plate so as to transmit vertical load and partial displacement direction load; the upper junction plate is equipped with the round pin keyway, and the lower junction plate is equipped with down the round pin keyway, and in round pin keyway one end was visited into down, the other end was visited into in the round pin keyway to the transmission aversion direction load, between round pin key plate and the lower round pin keyway inner wall, all filled the elastic layer between round pin key plate and the last round pin keyway inner wall.
2. The building displacement vibration damper of claim 1, wherein the pin key plate and the corresponding pin key groove form a displacement force transmission mechanism, the displacement force transmission mechanisms are respectively arranged on two sides of the vibration damper, and the plane of the pin key plate is parallel to the displacement direction.
3. The building displacement vibration damper according to claim 2, wherein the upper pin key groove and the lower pin key groove are identical in structure and are groove structures formed by the upper connecting plate or the lower connecting plate of the pin key baffle plate, and the upper pin key groove and the lower pin key groove of the same displacement force transmission mechanism are opposite in opening.
4. The building displacement vibration damper according to claim 1, wherein a gap is left between the end of the pin key plate and the upper connecting plate and between the end of the pin key plate and the lower connecting plate, and the vertical movement stroke of the pin key plate is larger than the vertical deformation amount of the vibration damper.
5. The building displacement vibration damping device of claim 5 wherein the gap at the end of the pin key plate is filled with a resilient layer that retains the pin key plate end within the pin key slot.
6. The building displacement vibration damping device of claim 1 wherein the upper and lower connecting plates are spaced apart from one another and the ends of the vibration damper engage the upper and lower connecting plates, respectively, to transmit some of the displacement directional loads through friction at the location of engagement.
7. The building displacement vibration damping device according to claim 1, wherein stoppers are provided on the front and rear portions of the vibration damper, respectively, in the displacement direction, and stoppers are attached to both the upper connecting plate and the lower connecting plate to restrain the vibration damper from being dislocated in the displacement direction.
8. The building displacement vibration damper of claim 7, wherein the range of movement of the pin key plate within the pin key slot in the displacement direction is within the range of movement of the damper along the connecting plate such that the pin key plate and the pin key slot exert forces prior to the damper and the stop.
9. A construction method of the building displacement vibration damping device according to claims 1 to 8, comprising: the upper connecting plate is arranged on the building underpinning beam, the shock absorber, the upper connecting plate, the lower connecting plate and the pin key plate are assembled, and the lower connecting plate is contacted with the track structure through the supporting piece;
applying a moving force, and enabling the pin key plate and the shock absorber to act together to enable the lower connecting plate to move along the track structure through the supporting piece and drive the upper building to move;
the shock absorber transmits vertical load and partial load in the displacement direction and absorbs vibration generated in the displacement process; the pin key plate is matched with the pin key groove to transfer load in the displacement direction, and vibration generated in the displacement process is absorbed through the elastic layer.
10. The construction method according to claim 9, wherein the pin key plate and the corresponding pin key groove restrain the dislocation of the displacement direction of the damper during the displacement, and the damper transmits part of the displacement direction load by the friction force between the upper connecting plate and the lower connecting plate.
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