CN113006286A - Tensile anti-torsion shock insulation support - Google Patents

Tensile anti-torsion shock insulation support Download PDF

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Publication number
CN113006286A
CN113006286A CN202110270591.4A CN202110270591A CN113006286A CN 113006286 A CN113006286 A CN 113006286A CN 202110270591 A CN202110270591 A CN 202110270591A CN 113006286 A CN113006286 A CN 113006286A
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CN
China
Prior art keywords
pier stud
sliding
torsion
unit
isolation bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110270591.4A
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Chinese (zh)
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CN113006286B (en
Inventor
万学林
王伟
廖飞
王利文
李茂�
潘忠尧
蒋轲
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China Construction Third Bureau Green Industry Investment Co Ltd
China Construction Third Bureau Group Co Ltd
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China Construction Third Engineering Bureau Co Ltd
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Priority to CN202110270591.4A priority Critical patent/CN113006286B/en
Publication of CN113006286A publication Critical patent/CN113006286A/en
Application granted granted Critical
Publication of CN113006286B publication Critical patent/CN113006286B/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/36—Bearings or like supports allowing movement
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

The invention relates to the field of building vibration isolation, and particularly discloses a tensile anti-torsion vibration isolation support which comprises an upper sliding unit, a lower sliding unit, a support unit and a damper; the upper sliding unit is pre-buried in the upper pier stud, the bottom of the lower sliding unit is connected with the support unit, the support unit is fixed in the lower pier stud, the upper sliding unit is in up-and-down abutting contact with the lower sliding unit, and two ends of the damper are respectively connected with the upper pier stud and the lower pier stud. The upper sliding unit comprises an upper embedded part, an upper sliding panel and a plurality of stop blocks, the upper embedded part is embedded in the upper pier stud, the upper sliding panel is arranged at the bottom of the upper embedded part, and the stop blocks are arranged along the circumferential direction of the upper embedded part. The invention aims to solve the technical problem that the tensile and torsion resistance of a seismic isolation support is poor.

Description

Tensile anti-torsion shock insulation support
Technical Field
The invention relates to the field of building vibration isolation, and particularly discloses a tensile anti-torsion vibration isolation support.
Background
Seismic action is a common load in structural engineering, and this load is a major factor in the failure and collapse of structures. Effective protection measures are adopted for the structure, the structure is prevented from being damaged under the action of earthquake, the earthquake-resistant performance of the structure is not only related, but also the life of people and the national economic and property safety are directly influenced, and the method has wide development prospect and economic benefit.
The upper end and the lower extreme of traditional isolation bearing respectively with last pier stud and pier stud fixed connection down, its tensile strength and antitorque commentaries on classics performance are relatively poor, under the combined action of gravity and earthquake action, the cross-section can produce certain pulling force to make isolation bearing body draw, thereby lead to the support body to destroy.
Disclosure of Invention
In view of the above, the present invention provides a tensile and anti-torsion seismic isolation bearing to solve the technical problem of poor tensile and anti-torsion performance of the seismic isolation bearing.
In order to achieve the purpose, the invention provides the following technical scheme:
a tensile anti-torsion shock insulation support comprises an upper sliding unit, a lower sliding unit, a support unit and a damper; the upper sliding unit is pre-buried in the upper pier stud, the bottom of the lower sliding unit is connected with the support unit, the support unit is fixed in the lower pier stud, the upper sliding unit is in up-and-down abutting contact with the lower sliding unit, and two ends of the damper are respectively connected with the upper pier stud and the lower pier stud.
Optionally, the upper sliding unit comprises an upper embedded part, an upper sliding panel and a plurality of stop blocks, the upper embedded part is embedded in the upper pier stud, the upper sliding panel is arranged at the bottom of the upper embedded part, and the stop blocks are arranged along the circumferential direction of the upper embedded part.
Optionally, a rubber is disposed on an inner wall of the stopper.
Optionally, the lower sliding unit comprises a lower sliding panel in contact with an upper sliding panel.
Optionally, the support unit includes support body, last shrouding and lower shrouding, go up the shrouding setting in the upper end of support body, go up the shrouding and be connected with lower shifting panel, the shrouding setting is at the lower extreme of support body down, and lower shrouding is fixed in pier stud down through lower pre-buried anchor bar.
Optionally, the side of the upper sealing plate is provided with rubber.
Optionally, a plurality of dampers are evenly arranged along the circumferential direction of the upper pier stud and the lower pier stud, universal rotating devices are arranged at the upper end and the lower end of each damper, and the universal rotating devices are pre-embedded in the upper pier stud and the lower pier stud.
Optionally, the damper comprises a cylinder body, two sliding sleeves and a piston rod, the two sliding sleeves are slidably arranged at two ends of the cylinder body, one end of the piston rod is arranged on the sliding sleeve and slidably arranged in the cylinder body, and the other end of the piston rod is conical; viscous media are filled in the cylinder body; the sliding sleeve is connected with the universal rotating device.
Optionally, a plurality of concave portions which are concave inwards are formed on the outer wall of the cylinder body, and the concave portions are in contact with the piston rod.
Optionally, a plurality of through holes are axially formed in one conical end of the piston rod.
The working principle and the beneficial effects of the scheme are as follows:
1. in the scheme, when the shock insulation support moves in the horizontal direction under the action of an earthquake, the upper sliding panel and the lower sliding panel mutually rub to consume energy, and the stop block arranged on the upper sliding panel limits the movement of the support body; when the support body is under the combined action of earthquake and gravity, the upper sliding panel and the lower sliding panel can be separated, so that the support body is prevented from being damaged by tension; when the support body is twisted under the action of an earthquake, the dampers arranged around the column piers can prevent the support body from being twisted, the energy consumption effect is achieved, and the tensile property of the support body is improved.
2. The invention has simple construction and reasonable structure stress, avoids the tension of the shock insulation support body under the action of earthquake, and prolongs the service life of the shock insulation support.
3. The device overcomes the defect of poor tensile capability of the seismic isolation support body, has strong tensile and torsion resistance, and enhances the seismic resistance of the support.
4. The damper comprises a cylinder body and a piston rod, wherein the cylinder body is provided with a plurality of concave parts, the contact area between the outer side end of each concave part and the outside air is increased, the contact area between the inner side end of each concave part and a viscous medium is also increased, when the viscous medium moves due to the piston rod, the friction between the viscous medium and the concave parts is relatively increased, the consumed energy is also increased, and the heat dissipation capacity of the concave parts is stronger. One end of the piston rod is conical, the contact area of the piston rod and the viscous medium is increased, more energy is consumed, the contact area of the piston rod and the viscous medium can be increased through the through hole, and the energy is further consumed.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural view of the upper sliding unit;
FIG. 3 is a schematic structural view of the lower slider unit and the holder unit;
FIG. 4 is a schematic view of the damper;
fig. 5 is a schematic view of the internal structure of the damper.
The drawings are numbered as follows: the device comprises an upper pier 1, an upper embedded anchor bar 2, an upper sliding unit 3, a stop block 4, a damper 5, a universal rotating device 6, a lower embedded anchor bar 7, a lower pier 8, an upper sealing plate 9, an upper sliding panel 10, a lower sliding panel 11, rubber 12, a support body 13, a lower sealing plate 14, an upper damping embedded anchor bar 15, an upper universal head 16, a lower universal head 17, a lower damping embedded anchor bar 18, an upper concave base 19, a lower concave base 20, a cylinder body 21, a concave part 22, a sliding sleeve 23, a piston rod 24, a through hole 25 and a viscous medium 26.
Detailed Description
The following is further detailed by way of specific embodiments:
examples
A tensile and torsion resistant seismic isolation bearing is shown in figures 1-5 and comprises an upper sliding unit 3, a lower sliding unit, a bearing unit and a damper 5. The upper sliding unit 3 is pre-buried in the upper pier stud, the bottom of the lower sliding unit is connected with the support unit, the support unit is fixed in the lower pier stud, the upper sliding unit 3 is in up-down abutting contact with the lower sliding unit, and two ends of the damper 5 are respectively connected with the upper pier stud and the lower pier stud.
The upper sliding unit 3 comprises an upper embedded part, an upper sliding panel 10 and a plurality of stop blocks 4, the upper embedded part is embedded in the upper pier stud through the upper embedded anchor bars 2, the upper sliding panel 10 is fixedly arranged at the bottom of the upper embedded part, and the stop blocks 4 are fixedly arranged along the circumferential direction of the upper embedded part. The inner wall of the block 4 is fixedly provided with rubber 12.
The lower sliding unit includes a lower sliding panel 11, and the lower sliding panel 11 is in contact with the upper sliding panel 10.
The support unit comprises a support body 13, an upper sealing plate 9 and a lower sealing plate 14, wherein the upper sealing plate 9 is fixedly arranged at the upper end of the support body 13, and the top of the upper sealing plate 9 is fixedly connected with the bottom of the lower sliding panel 11. Lower shrouding 14 is fixed to be set up in the lower extreme of support body 13, and lower shrouding 14 is fixed in pier stud down through pre-buried anchor 7 down. The side of the upper closing plate 9 is provided with rubber 12.
The dampers 5 are uniformly arranged along the circumferential direction of the upper pier stud and the lower pier stud, universal rotating devices 6 are arranged at the upper end and the lower end of each damper 5, and the universal rotating devices 6 are pre-embedded in the upper pier stud and the lower pier stud through upper damping pre-embedded anchor bars 15 and lower damping pre-embedded anchor bars 18. The universal rotating device 6 above comprises an upper concave base 19 and an upper universal head 16, the upper universal head 16 is movably arranged in the upper concave base 19, the upper concave base 19 is fixedly connected with an upper damping embedded anchor bar 15, and the upper universal head 16 is fixedly connected with the upper end of the damper 5. The universal rotating device 6 at the lower part comprises a concave base 20 and a lower universal head 17, the lower universal head 17 is movably arranged in the concave base 20, the concave base 20 is fixedly connected with a lower damping embedded anchor bar 18, and the lower universal head 17 is fixedly connected with the upper end of the damper 5.
The damper 5 comprises a cylinder body 21, two sliding sleeves 23 and a piston rod 24, wherein the two sliding sleeves 23 are slidably arranged at two ends of the cylinder body 21, and the outer ends of the sliding sleeves 23 are fixedly provided with pull lugs which are connected with the universal rotating device 6. One end of the piston rod 24 is fixedly arranged on the inner side end of the sliding sleeve 23 and is slidably arranged in the cylinder 21, and the other end of the piston rod 24 is conical. The cylinder 21 is filled with a viscous medium 26. A plurality of concave parts 22 which are inwards concave are formed on the outer wall of the cylinder body 21, the concave parts 22 are in contact with the piston rod 24, and the piston rod 24 slides along the axial direction of the cylinder body 21 under the limiting action of the concave parts 22. The tapered end of the piston rod 24 is provided with a plurality of through holes 25 along the axial direction.
In the specific implementation:
when an earthquake occurs, the support can be subjected to tension, torsional force or horizontal vibration force, and when the support is pulled, the upper sliding panel 10 of the upper pier stud and the lower sliding panel 11 on the support body 13 are not physically connected, so that the upper sliding panel 10 and the lower sliding panel 11 can be directly separated, and the support body 13 cannot be damaged; when the upper pier stud and the lower pier stud are twisted relatively, the damper 5 can play a role in energy consumption, the phenomenon that the twisting angle of the upper pier stud and the lower pier stud is too large is avoided, meanwhile, the upper sliding panel 10 and the lower sliding panel 11 can also generate relative displacement, and friction is generated, so that seismic energy is consumed; when the upper pier stud and the lower pier stud are subjected to horizontal relative displacement, the upper sliding panel 10 and the lower sliding panel 11 can also be subjected to relative friction, so that seismic energy is consumed, and the vibration isolation effect is achieved.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims (9)

1. The utility model provides an antitorque commentaries on classics isolation bearing of tensile which characterized in that: the device comprises an upper sliding unit, a lower sliding unit, a support unit and a damper; the upper sliding unit is pre-buried in the upper pier stud, the bottom of the lower sliding unit is connected with the support unit, the support unit is fixed in the lower pier stud, the upper sliding unit is in up-and-down abutting contact with the lower sliding unit, and two ends of the damper are respectively connected with the upper pier stud and the lower pier stud.
2. The anti-tension anti-torsion seismic isolation bearing according to claim 1, wherein: the upper sliding unit comprises an upper embedded part, an upper sliding panel and a plurality of stop blocks, the upper embedded part is embedded in the upper pier stud, the upper sliding panel is arranged at the bottom of the upper embedded part, and the stop blocks are arranged along the circumferential direction of the upper embedded part.
3. The anti-tension anti-torsion seismic isolation bearing according to claim 2, wherein: and rubber is arranged on the inner wall of the stop block.
4. The anti-tension anti-torsion seismic isolation bearing according to claim 3, wherein: the lower sliding unit comprises a lower sliding panel, and the lower sliding panel is in contact with the upper sliding panel.
5. The anti-tension anti-torsion seismic isolation bearing according to claim 4, wherein: the support unit comprises a support body, an upper sealing plate and a lower sealing plate, wherein the upper sealing plate is arranged at the upper end of the support body and connected with a lower sliding panel, the lower sealing plate is arranged at the lower end of the support body, and the lower sealing plate is fixed in a lower pier through lower embedded anchor bars.
6. The anti-tension anti-torsion seismic isolation bearing according to claim 5, wherein: and rubber is arranged on the side surface of the upper sealing plate.
7. The anti-tension anti-torsion seismic isolation bearing according to claim 6, wherein: a plurality of attenuators are evenly arranged along the circumference of last pier stud and pier stud down, and the upper and lower both ends of attenuator all are provided with universal rotating device, universal rotating device is pre-buried to be set up in last pier stud and pier stud down.
8. The anti-tension anti-torsion seismic isolation bearing according to claim 7, wherein: the damper comprises a cylinder body, two sliding sleeves and a piston rod, wherein the two sliding sleeves are arranged at two ends of the cylinder body in a sliding manner, one end of the piston rod is arranged on the sliding sleeves and is arranged in the cylinder body in a sliding manner, and the other end of the piston rod is conical; viscous media are filled in the cylinder body; the sliding sleeve is connected with the universal rotating device.
9. The anti-tension anti-torsion seismic isolation bearing according to claim 8, wherein: a plurality of inwards-sunken concave parts are formed on the outer wall of the cylinder body and are in contact with the piston rod, and a plurality of through holes are axially formed in one conical end of the piston rod.
CN202110270591.4A 2021-03-12 2021-03-12 Tensile anti-torsion shock insulation support Active CN113006286B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110270591.4A CN113006286B (en) 2021-03-12 2021-03-12 Tensile anti-torsion shock insulation support

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Application Number Priority Date Filing Date Title
CN202110270591.4A CN113006286B (en) 2021-03-12 2021-03-12 Tensile anti-torsion shock insulation support

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CN113006286A true CN113006286A (en) 2021-06-22
CN113006286B CN113006286B (en) 2022-06-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206143944U (en) * 2016-09-06 2017-05-03 昆明理工大学 Universal rotation shock insulation layer tensile and horizontal spacing device
CN109594650A (en) * 2018-12-07 2019-04-09 哈尔滨工业大学 The tuned mass damping frame structure of cast-in-place main frame-prefabrication and assembly construction time frame
CN109667356A (en) * 2018-12-26 2019-04-23 深圳防灾减灾技术研究院 Spring friction isolation support
WO2019075959A1 (en) * 2017-10-18 2019-04-25 同济大学 Three-dimensional shock/vibration isolation support with self-adaptive stiffness characteristic
CN111519781A (en) * 2020-04-30 2020-08-11 同济大学建筑设计研究院(集团)有限公司 Bidirectional sliding piston rod type shock insulation tensile device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206143944U (en) * 2016-09-06 2017-05-03 昆明理工大学 Universal rotation shock insulation layer tensile and horizontal spacing device
WO2019075959A1 (en) * 2017-10-18 2019-04-25 同济大学 Three-dimensional shock/vibration isolation support with self-adaptive stiffness characteristic
CN109594650A (en) * 2018-12-07 2019-04-09 哈尔滨工业大学 The tuned mass damping frame structure of cast-in-place main frame-prefabrication and assembly construction time frame
CN109667356A (en) * 2018-12-26 2019-04-23 深圳防灾减灾技术研究院 Spring friction isolation support
CN111519781A (en) * 2020-04-30 2020-08-11 同济大学建筑设计研究院(集团)有限公司 Bidirectional sliding piston rod type shock insulation tensile device

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Effective date of registration: 20221130

Address after: 430000 No. 552 Guan Shan Road, Hubei, Wuhan

Patentee after: CHINA CONSTRUCTION THIRD CONSTRUCTION ENGINEERING Co.,Ltd.

Patentee after: CHINA CONSTRUCTION THIRD ENGINEERING BUREAU GREEN INDUSTRY INVESTMENT Co.,Ltd.

Address before: No. 552, Wuluo Road, Wuhan City, Hubei Province, 430074

Patentee before: CHINA CONSTRUCTION THIRD CONSTRUCTION ENGINEERING Co.,Ltd.

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