CN113216437A - Novel assembled building shock attenuation device - Google Patents

Novel assembled building shock attenuation device Download PDF

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Publication number
CN113216437A
CN113216437A CN202110613335.0A CN202110613335A CN113216437A CN 113216437 A CN113216437 A CN 113216437A CN 202110613335 A CN202110613335 A CN 202110613335A CN 113216437 A CN113216437 A CN 113216437A
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CN
China
Prior art keywords
cylinder body
supporting plate
plate
piston rod
sliding
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Granted
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CN202110613335.0A
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Chinese (zh)
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CN113216437B (en
Inventor
刘雪峰
李�瑞
胡卫国
高梦起
余术刚
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Zhengzhou University
Henan Technical College of Construction
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Zhengzhou University
Henan Technical College of Construction
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Priority to CN202110613335.0A priority Critical patent/CN113216437B/en
Publication of CN113216437A publication Critical patent/CN113216437A/en
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Publication of CN113216437B publication Critical patent/CN113216437B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a novel assembly type building damping device which comprises a damping main body, a first supporting plate, a second supporting plate and a side supporting plate, wherein the first supporting plate is arranged on the damping main body; the damping main body comprises a piston rod, a first cylinder body sleeved at the bottom of the piston rod, a second cylinder body arranged above the first cylinder body and a baffle seat arranged at the top of the second cylinder body; the piston rod is vertically arranged, and the bottom end of the piston rod is fixedly connected with the center of the first supporting plate; a first spring is limited between the first supporting plate and the first cylinder body; the side supporting plate is connected with the first cylinder body in a sliding way; the side wall of the second cylinder body is fixedly connected with a second supporting plate; a high-strength spring is limited between the baffle seat and the second cylinder body. The invention can realize the vibration in all directions, and can convert the vibration energy in a grading way, thereby having good damping effect; and unstable pressure in the cylinder body can not occur in the damping main body.

Description

Novel assembled building shock attenuation device
Technical Field
The invention relates to the technical field of building shock absorption, in particular to a novel assembly type building shock absorption device.
Background
The building shock absorption is that energy consumption devices are arranged at certain parts of a structure, and the energy input into the structure is dissipated or absorbed by the devices through friction, bending and elastic-plastic hysteresis deformation so as to reduce the seismic reaction of the main body structure, thereby avoiding the structure from being damaged or collapsed and achieving the purpose of shock absorption control; the driven building damping devices are used for damping only vertical to the bottom surface; but the vibration is ubiquitous, and the vibration from other directions is more destructive to the building; and the existing building damping device is not combined with the new magneto-rheological vibration control technology in recent years.
Therefore, it is highly desirable to design a novel assembly type shock absorbing device for dealing with the vibration in all directions and adjusting the vibration intensity in different stages.
Disclosure of Invention
The invention aims to provide a novel assembly type building damping device, which is used for solving the problems in the prior art, can be used for dealing with vibration in all directions and can be used for adjusting vibration intensity in different grades.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a novel assembly type building damping device which comprises a damping main body, a first supporting plate, a second supporting plate and a side supporting plate, wherein the first supporting plate is arranged on the damping main body;
the damping main body comprises a piston rod, a first cylinder body sleeved at the bottom of the piston rod, a second cylinder body arranged above the first cylinder body and a blocking seat arranged at the top of the second cylinder body; the piston rod is vertically arranged, and the bottom end of the piston rod is fixedly connected with the center of the first supporting plate; a first spring is limited between the first supporting plate and the first cylinder body; the side supporting plate is connected with the first cylinder body in a sliding mode; the side wall of the second cylinder body is fixedly connected with the second supporting plate; a high-strength spring is limited between the blocking seat and the second cylinder body.
Magnetorheological fluids are filled in the first cylinder body and the second cylinder body; the piston rod penetrates through the first cylinder body in a sliding mode and extends into the second cylinder body; the piston rod is provided with a first clamping plate, and a coil is wound on the first clamping plate; the first clamp plate is arranged in the first cylinder body.
The second cylinder body comprises a side cylinder, a first sealing end cover, a second sealing end cover and an inner supporting plate; the middle part of the outer wall of the side cylinder is fixedly connected with the second supporting plate; the middle part of the inner supporting plate is provided with a second clamping plate; the coil is wound on the second clamping plate;
the inner support plate is arranged on the inner side of the side cylinder and is of a cylindrical structure, and the inner ring of the inner support plate is matched with the piston rod; the top and the bottom of the side cylinder and the inner supporting plate are respectively connected with each other in a sealing way through the first sealing end cover and the second sealing end cover; the top of the first sealing end cover is provided with a vertical bulge with a hollow structure; the baffle seat seals the top of the vertical protrusion.
The top surface and the middle part of the side wall of the first cylinder body are also fixedly connected with a plurality of connecting plates; the side supporting plates are of arc structures and are respectively provided with four blocks; the four side supporting plates are spliced with each other to form a pot-shaped structure; the top of each side supporting plate is provided with two sliding plates along the horizontal direction; the two sliding plates and the two connecting plates are correspondingly arranged and respectively limited in the two connecting plates.
A first sliding block is also limited between the two sliding plates; the connecting plate at the top is elastically connected with a second sliding block through a second spring; the bottom surface of the second sliding block is matched with the top surface of the first sliding block and is arranged in a sliding mode.
The connecting plate is provided with a sliding groove, and the sliding plate is embedded into the sliding groove; the movable end of the sliding plate is also fixedly connected with a clamping block.
The bottom surface of the baffle seat is provided with a baffle block; the outer ring of the stop block and the inner ring of the high-strength spring are limited mutually.
The invention discloses the following technical effects: the invention can realize the vibration in all directions, and can convert the vibration energy in a grading way, thereby having good damping effect; and unstable pressure in the cylinder body can not occur in the damping main body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of the present invention.
The device comprises a base, a first supporting plate, a second supporting plate, a 3-side supporting plate, a piston rod, a first cylinder body, a second cylinder body, a 7-baffle seat, a first spring, a 9-high-strength spring, a first clamping plate, a coil, a side cylinder, a first sealing end cover, a second sealing end cover, a coil, a second clamping plate, a vertical protrusion, a connecting plate 17, a sliding plate 18, a first sliding block 19, a second sliding block 20, a second spring 21 and an annular connecting frame 22.
Detailed Description
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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a novel assembly type building damping device which comprises a damping main body, a first supporting plate 1, a second supporting plate 2 and a side supporting plate 3, wherein the first supporting plate is fixedly connected with the damping main body;
the damping main body comprises a piston rod 4, a first cylinder body 5 sleeved at the bottom of the piston rod 4, a second cylinder body 6 arranged above the first cylinder body 5 and a baffle seat 7 arranged at the top of the second cylinder body 6; the piston rod 4 is vertically arranged, and the bottom end of the piston rod is fixedly connected with the center of the first supporting plate 1; a first spring 8 is defined between the first support plate 2 and the first cylinder 5; the side supporting plate 3 is connected with the first cylinder 5 in a sliding way; the side wall of the second cylinder body 6 is fixedly connected with the second supporting plate 2; a high-strength spring 9 is defined between the baffle seat 7 and the second cylinder 6.
Magnetorheological fluids are filled in the first cylinder body 5 and the second cylinder body 6; the piston rod 4 penetrates through the first cylinder 5 in a sliding mode and extends into the second cylinder 6; a first clamping plate 10 is arranged on the piston rod 4, and a coil 11 is wound on the first clamping plate 10; the first clamp plate 10 is placed in the first cylinder 5.
The second cylinder body 6 comprises a side cylinder 12, a first sealing end cover 13, a second sealing end cover 14 and an inner support plate 15; the middle part of the outer wall of the side cylinder 12 is fixedly connected with the second supporting plate 2; the middle part of the inner supporting plate 15 is provided with a second clamping plate 15; the second clamping plate 15 is wound with a coil 11;
the inner support plate 15 is arranged on the inner side of the side cylinder 12 and is of a cylindrical structure, and the inner ring of the inner support plate 15 is matched with the piston rod 4; the top and bottom parts of the side cylinder 12 and the inner support plate 15 are respectively connected in a sealing way through a first sealing end cover 13 and a second sealing end cover 14; the top of the first sealing end cover 13 is provided with a vertical bulge 16 with a hollow structure; the stopper 7 seals the top of the vertical protrusion 16.
The top surface and the middle part of the side wall of the first cylinder body 5 are also fixedly connected with a plurality of connecting plates 17; the side supporting plates 3 are of arc structures and are respectively provided with four blocks; the four side supporting plates 3 are spliced with each other to form a pot-shaped structure; the top of each side supporting plate 3 is provided with two sliding plates 18 along the horizontal direction; the two sliding plates 18 are disposed corresponding to the two connecting plates 17 and are respectively limited in the two connecting plates 17.
A first slide block 19 is further defined between the two slide plates 18; the top connecting plate 17 is elastically connected with a second sliding block 20 through a second spring 21; the bottom surface of the second slide block 20 is matched with the top surface of the first slide block 19 and is arranged in a sliding mode.
A sliding groove is formed in the connecting plate 17, and the sliding plate 18 is embedded into the sliding groove; the movable end of the sliding plate 18 is also fixedly connected with a clamping block.
The bottom surface of the baffle seat 7 is provided with a baffle block; the outer ring of the stop block is limited with the inner ring of the high-strength spring 9.
In one embodiment of the present invention, the first cylinder 5 and the second cylinder 6 have a radial width of 2mm to 6 mm; the first cylinder 5 and the second cylinder 6 are both in sliding seal with the piston rod 4.
In one embodiment of the present invention, one end of the piston rod 4 extends out of the first cylinder 5, and the other end is disposed in the sealed cavity formed by the second cylinder 6, the first end cap 13, the vertical protrusion 17 and the stopper 4.
In one embodiment of the present invention, the gap between the first cylinder 5 and the second cylinder 6 is sealed by a JW double lip seal, leaving the middle of the piston rod 4 exposed.
In one embodiment of the invention, the piston rod 4 extends into the second cylinder 6 without generating an external force and does not react magnetically with the coil on the second jaw 15.
In one embodiment of the invention, the distance between the baffle seat 7 and the second supporting plate 2 is 5mm-8 mm.
In one embodiment of the invention, the bottom of the second support plate 2 is connected with the middle part of the side cylinder 12 through an annular connecting frame 22; the outermost side of the side supporting plate 3 is flush with the annular connecting frame 22;
in one embodiment of the present invention, there are 8 connecting plates 17, which are respectively provided corresponding to the four sets of side supporting plates 3; every two connecting plates 17 are uniformly arranged on the top surface of the first cylinder body 5, and the other connecting plates are arranged on the side surface of the first cylinder body 5; the side supporting plate 3 is designed to be of an arc-shaped structure to cope with circumferential vibration, so that the reaction is flexible, and the condition that the reaction is slow and the structure is easy to damage after the straight plate meets circumferential stress can not be generated.
In one embodiment of the invention, the coil 11 is a multi-stage coil; and adopt the structure of two play poles, can not form the unstable problem of underpressure or internal pressure.
In one embodiment of the invention, the annular connecting frame 22 seals the second support plate 2, the outside of the second cylinder 6 and the stopper 7.
In one embodiment of the invention, when the shock is small. The first supporting plate 1 is used for being directly connected with the piston rod 4, when the vibration amplitude is small, the piston rod 4 moves and generates a magnetic field with the coil 11 in the first cylinder body 5, the magnetic field acts on the magnetorheological fluid to generate stress, the first spring 8 is compressed, the piston rod 4 drives the first clamping plate 10 to move together, the stress generated by the movement of the piston rod 4 needs to be overcome in the first cylinder body 5 at the moment, vibration energy is consumed, and the first cylinder body 5 does not vibrate or generates micro vibration.
In one embodiment of the present invention, when the side support plate 3 is pressed by a vibration generated in the circumferential direction, the first slide block 19 in the middle of the side support plate 3 and the second slide block 20 above the first slide block are pressed in the lateral direction; the top of the second sliding block 20 is connected with the top connecting plate 17 through a second spring 21; the second spring 21 is deformed so as to drive the first cylinder 5 to move upwards through the connecting plate 17; when the vibration force compresses the second spring 21 and is enough to move the first cylinder 5, the piston rod 4 generates a magnetic field due to the relative movement, overcomes the stress generated by the relative movement, consumes the vibration energy, and the first cylinder 5 does not vibrate or generates a small vibration.
In one embodiment of the invention, when the shock is large. When the first spring 8 is compressed and the stress generated by the movement between the first cylinder body 5 and the piston rod 4 is not enough to overcome the vibration, the first spring 8 is continuously compressed, the piston rod 4 and a coil of the second clamping plate 15 on the second cylinder body 6 generate a magnetic field, the magnetic field acts on the magnetorheological fluid to generate the stress, the high-strength spring 9 is compressed, the high-strength spring has large rigidity and small deformation, the movement amplitude of the second cylinder body 6 is small, the stress generated by the movement further consumes the vibration energy, and secondary vibration absorption is realized.
Furthermore, the invention can change the damping according to the rheological property of the magnetorheological fluid, and can realize intelligent control in a deeper step.
The invention can realize the vibration in all directions, and can convert the vibration energy in a grading way, thereby having good damping effect; and unstable pressure in the cylinder body can not occur in the damping main body.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (7)

1. The utility model provides a novel prefabricated building shock attenuation device which characterized in that includes: the damping device comprises a damping main body, a first supporting plate (1), a second supporting plate (2) and a side supporting plate (3);
the damping main body comprises a piston rod (4), a first cylinder body (5) sleeved at the bottom of the piston rod (4), a second cylinder body (6) arranged above the first cylinder body (5) and a blocking seat (7) arranged at the top of the second cylinder body (6); the piston rod (4) is vertically arranged, and the bottom end of the piston rod is fixedly connected with the center of the first supporting plate (1); a first spring (8) is defined between the first support plate (1) and the first cylinder (5); the side supporting plate (3) is connected with the first cylinder body (5) in a sliding way; the side wall of the second cylinder body (6) is fixedly connected with the second supporting plate (2); a high-strength spring (9) is limited between the baffle seat (7) and the second cylinder body (6).
2. The novel fabricated building shock absorber according to claim 1, wherein: magnetorheological fluids are filled in the first cylinder body (5) and the second cylinder body (6); the piston rod (4) penetrates through the first cylinder body (5) in a sliding mode and extends into the second cylinder body (6); a first clamping plate (10) is mounted on the piston rod (4), and a coil (11) is wound on the first clamping plate (10); the first clamping plate (10) is arranged in the first cylinder body (5).
3. The novel fabricated building shock absorber according to claim 2, wherein: the second cylinder body (6) comprises a side cylinder (12), a first sealing end cover (13), a second sealing end cover (14) and an inner supporting plate (15); the middle part of the outer wall of the side cylinder (12) is fixedly connected with the second supporting plate (2); the middle part of the inner supporting plate (15) is provided with a second clamping plate (15); the coil (11) is wound on the second clamping plate (15);
the inner support plate (15) is arranged on the inner side of the side cylinder (12) and is of a cylindrical structure, and the inner ring of the inner support plate (15) is matched with the piston rod (4); the top and the bottom of the side cylinder (12) and the inner support plate (15) are respectively connected in a sealing way through the first sealing end cover (13) and the second sealing end cover (14); the top of the first sealing end cover (13) is provided with a vertical bulge (16) with a hollow structure; the baffle seat (7) seals the top of the vertical bulge (16).
4. The novel fabricated building shock absorber according to claim 1, wherein: the top surface and the middle part of the side wall of the first cylinder body (5) are also fixedly connected with a plurality of connecting plates (17); the side supporting plates (3) are of arc structures and are respectively provided with four blocks; the four side supporting plates (3) are spliced with each other to form a pot-shaped structure; the top of each side supporting plate (3) is provided with two sliding plates (18) along the horizontal direction; the two sliding plates (18) are arranged corresponding to the two connecting plates (17) and are respectively limited in the two connecting plates (17).
5. The novel fabricated building shock absorber according to claim 4, wherein: a first sliding block (19) is further limited between the two sliding plates (18); the connecting plate (17) at the top is elastically connected with a second sliding block (20) through a second spring (21); the bottom surface of the second sliding block (20) is matched with the top surface of the first sliding block (19) and is arranged in a sliding mode.
6. The novel fabricated building shock absorber according to claim 4, wherein: a sliding groove is formed in the connecting plate (17), and the sliding plate (18) is embedded into the sliding groove; the movable end of the sliding plate (18) is also fixedly connected with a clamping block.
7. The novel fabricated building shock absorber according to claim 1, wherein: a stop block is arranged on the bottom surface of the stop seat (7); the outer ring of the stop block and the inner ring of the high-strength spring (9) are mutually limited.
CN202110613335.0A 2021-06-02 2021-06-02 Assembled building damping device Active CN113216437B (en)

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Application Number Priority Date Filing Date Title
CN202110613335.0A CN113216437B (en) 2021-06-02 2021-06-02 Assembled building damping device

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Application Number Priority Date Filing Date Title
CN202110613335.0A CN113216437B (en) 2021-06-02 2021-06-02 Assembled building damping device

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CN113216437A true CN113216437A (en) 2021-08-06
CN113216437B CN113216437B (en) 2022-05-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793302A (en) * 2010-03-18 2010-08-04 河海大学 Three-cylinder type large-capacity magneto-rheological damper
CN106812859A (en) * 2017-03-29 2017-06-09 合肥工业大学 Double-spring magneto-rheological vibration damper
CN207437666U (en) * 2017-09-11 2018-06-01 北京爱德姆科技发展有限公司 A kind of damper for building
CN109267669A (en) * 2018-11-29 2019-01-25 德庆县智联机械科技有限公司 A kind of easy-to-mount assembled architecture damping device
JP2020153500A (en) * 2019-03-22 2020-09-24 株式会社フジタ Viscous damper
CN212534604U (en) * 2020-02-14 2021-02-12 廖著文 Assembled building damping device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793302A (en) * 2010-03-18 2010-08-04 河海大学 Three-cylinder type large-capacity magneto-rheological damper
CN106812859A (en) * 2017-03-29 2017-06-09 合肥工业大学 Double-spring magneto-rheological vibration damper
CN207437666U (en) * 2017-09-11 2018-06-01 北京爱德姆科技发展有限公司 A kind of damper for building
CN109267669A (en) * 2018-11-29 2019-01-25 德庆县智联机械科技有限公司 A kind of easy-to-mount assembled architecture damping device
JP2020153500A (en) * 2019-03-22 2020-09-24 株式会社フジタ Viscous damper
CN212534604U (en) * 2020-02-14 2021-02-12 廖著文 Assembled building damping device

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