CN109083439B - Swing structure bottom connecting device capable of changing connection mode and construction method thereof - Google Patents
Swing structure bottom connecting device capable of changing connection mode and construction method thereof Download PDFInfo
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- CN109083439B CN109083439B CN201811142123.3A CN201811142123A CN109083439B CN 109083439 B CN109083439 B CN 109083439B CN 201811142123 A CN201811142123 A CN 201811142123A CN 109083439 B CN109083439 B CN 109083439B
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- hinged support
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
Abstract
The invention relates to a swinging structure bottom connecting device with a changeable connecting mode and a construction method thereof, the swinging structure bottom connecting device comprises a swinging structure, a damper is connected between two side wall feet of the swinging structure and a foundation of a building structure, an arc-shaped concave part is arranged in the middle of the bottom end of the swinging structure, a hinged support is arranged below the arc-shaped concave part, a steel bar bundle is arranged between the hinged support and the middle of the swinging structure, the hinged support is in rolling connection with the arc-shaped concave part through rolling bodies, a plurality of buckle assemblies are further arranged between the hinged support and the arc-shaped concave part, a male buckle in the buckle assemblies is fixedly connected with the cambered surface of the arc-shaped concave part, and a female buckle in the buckle assemblies is fixedly connected with the cambered surface of the hinged support, so that when the swinging structure rotates to reach a designed radian, the male buckle and the female buckle are mutually buckled, and the fixation is realized. The invention has reasonable design, the connecting device with changeable connection modes is arranged at the bottom of the swinging structure, and the requirements of earthquake resistance reinforcement of the building structure under different earthquake intensities are met by changing the boundary conditions of the swinging structure, so that the integral earthquake resistance performance of the building structure is ensured.
Description
Technical field:
the invention relates to a swinging structure bottom connecting device with changeable connection modes and a construction method thereof.
The background technology is as follows:
in recent years, house buildings built in about 90 years in China start to enter an aging period, and a large number of building structures need to be reinforced and maintained so as to ensure the normal use of the structures and the requirements of bearing capacity design. The conventional reinforcement method mainly comprises carbon fiber cloth wrapping reinforcement, steel bonding reinforcement, buckling support reinforcement, reinforcement of increasing the cross section of a member, reinforcement of bar planting and the like. The traditional reinforcement method often needs to be subjected to home-entry reinforcement, has a long reinforcement period, cannot meet the requirement of quick construction, and is easy to influence the normal life of residential users. The swing structure is used as a simple and convenient integral reinforcing method, has the characteristic of no-house reinforcement, and can be combined with the characteristic of assembly construction to integrally reinforce the building structure to be reinforced. Through the different reinforcement demands of building, change the boundary connected mode of swaying structure, can effectively improve building structure's deformation mode, bearing capacity demand, increase the shock resistance of structure.
The invention comprises the following steps:
the invention aims at improving the problems in the prior art, namely the technical problem to be solved by the invention is to provide the swinging structure bottom connecting device with a changeable connecting mode and the construction method thereof, which not only have reasonable structural design, but also have good anti-seismic and reinforcing effects.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a convertible connected mode's swing structure bottom connecting device, includes the swing structure that sets up in the building structure outside, be connected with the attenuator between the both sides basement of swing structure and the basis of building structure, the bottom middle part of swing structure is provided with the arc concave part, the below of arc concave part is equipped with the hemisphere hinge support of fixing at the basis of building structure, wear to be equipped with the tendon between hinge support and the middle part of swing structure, pass through rolling body roll connection between hinge support and the arc concave part, still be equipped with a plurality of buckle subassembly between hinge support and the arc concave part, the pin thread in the buckle subassembly links firmly on the cambered surface of arc concave part, and the box in the buckle subassembly links firmly on the cambered surface of hinge support, when the swing structure rotates and reaches the radian of design, pin thread and box buckle each other, realize fixing.
Further, the upper end of the hinged support is provided with an arc-shaped groove which is matched with the arc-shaped concave part; the rolling body comprises a plurality of balls which are distributed along the arc-shaped groove at intervals, two adjacent balls are connected through a first spring, and two balls positioned at the left end and the right end are respectively connected with the left end side wall and the right end side wall of the arc-shaped groove through a second spring.
Further, the spring support plate is arranged below the middle parts of the first springs positioned on the left side and the right side of the arc-shaped groove, the U-shaped notch which is beneficial to the first spring to pass through is formed in the middle part of the upper end of the spring support plate, and the lower end of the spring support plate is fixedly connected with the bottom surface of the arc-shaped groove.
Further, the tendon is a post-tensioned prestressed tendon; a reserved pore canal A which is beneficial to the penetration of the steel bar bundles is formed in the middle of the arc-shaped concave part; and a reserved pore canal B which is coaxially arranged with the reserved pore canal A and is beneficial to the insertion of the steel bar bundles is arranged in the middle of the bottom surface of the arc-shaped groove.
Further, the left end and the right end of the ball are respectively fixedly connected with a first hanging ring, and hooks for hanging the hanging rings are respectively fixed at the left end and the right end of the first spring and the second spring; the hook at one end of the second spring far away from the ball 9 is connected with the second hanging ring on the hinged support in a hanging mode.
Further, the plurality of buckle components are distributed in a rectangular shape, each buckle component comprises a forward rotation buckle and a reverse rotation buckle which are adjacently arranged along an arc surface, each forward rotation buckle comprises a forward rotation male buckle and a forward rotation female buckle, and when the swinging structure rotates clockwise to reach a designed arc, the forward rotation male buckle and the forward rotation female buckle are fastened with each other to realize fixation; the reversing buckle comprises a reversing male buckle and a reversing female buckle, and when the swinging structure rotates anticlockwise to reach a designed radian, the reversing male buckle and the reversing female buckle are mutually buckled to realize fixation.
Further, the forward rotation male buckle and the reverse rotation male buckle comprise a first connecting plate, the upper end of the first connecting plate is fixedly connected with the cambered surface of the arc-shaped concave part, the lower end of the first connecting plate is provided with a plug-in part, and the front side and the rear side of the plug-in part are symmetrically provided with elastic clamping arms; the positive rotation box and the negative rotation box comprise a second connecting plate, the lower end of the second connecting plate is fixedly connected with the cambered surface of the hinged support, the upper end of the second connecting plate is provided with an inserting port matched with the inserting part, and clamping gaps matched with the elastic clamping arms are symmetrically formed in the front side and the rear side of the inserting port.
Further, the damper comprises an upper cylinder body and a lower cylinder body sleeved outside the lower part of the upper cylinder body, an orthodontic screw thread for being in threaded connection with an inverse thread hole in the bottom of the swing structure is arranged on the outer wall of the upper part of the upper cylinder body, a rubber pad is arranged between the lower cylinder body and the side wall of the upper cylinder body, a third spring is arranged in the lower cylinder body, the upper end of the third spring is abutted to the inner top surface of the upper cylinder body, the lower end of the third spring is abutted to the bottom of the lower cylinder body, a positioning plate is fixedly connected with the bottom surface of the lower cylinder body, and the positioning plate is locked on the basis of the building structure through a shearing-resistant high-strength bolt.
Furthermore, the front side and the rear side of the lower end of the hinged support are respectively provided with an extending flange plate, and the extending flange plates are locked on the foundation of the building structure through high-strength bolts.
The other technical scheme of the invention is as follows: a construction method of a swinging structure bottom connecting device with changeable connection modes comprises the following steps:
step S1: fixing the extending flange plates at two sides of the lower end of the hinged support at the appointed position of the foundation of the building structure;
step S2: the rolling bodies are placed in the arc-shaped grooves at the upper ends of the hinge supports, and the rolling bodies are fixed on the hinge supports through the connection of hooks at the left end and the right end of the rolling bodies with the hanging holes on the left side wall and the right side wall of the arc-shaped grooves respectively;
step S3: fixing the forward rotation male buckle and the reverse rotation male buckle on the cambered surface of the cambered concave part in the middle of the bottom end of the swinging structure according to a certain radian, and fixing the forward rotation female buckle and the reverse rotation female buckle on the cambered surface of the hinged support according to a certain radian, wherein the positions of the forward rotation female buckle and the reverse rotation female buckle correspond to the positions of the forward rotation male buckle and the reverse rotation male buckle respectively;
step S4: fixing a lower cylinder of the damper on the basis of a building structure, wherein an orthodontic thread of an upper cylinder is in threaded connection with an inverse thread hole of a basement at the bottom of the swing structure;
step S5: placing an arc concave part in the middle of the bottom end of the swinging structure on a hinged support, and enabling an upper cylinder body of a damper attached to the swinging structure to extend into a lower cylinder body to finish the installation of the damper;
step S6: and (3) penetrating the steel bar bundles through the middle part of the swinging structure and the hinged support, and performing prestress post-tensioning to finish the installation of the swinging structure bottom connecting device with changeable connection modes.
Compared with the prior art, the invention has the following effects: (1) The invention has reasonable structural design, changes the traditional home-entering reinforcement mode, and solves the problems of long reinforcement period and great influence on households; the external reinforcement mode is utilized to integrally reinforce the outside of the building structure, so that the building structure has the characteristic of no-house reinforcement, and the reinforced constructional elements can be built by combining the assembly type construction mode, so that the reinforcement period is shortened; (2) The connecting device with changeable connection modes is arranged at the bottom of the swinging structure, and the requirements of earthquake resistance and reinforcement of the building structure under different earthquake intensities are met by changing the boundary conditions of the swinging structure, so that the integral earthquake resistance is ensured.
Description of the drawings:
FIG. 1 is a schematic view of a swing structure reinforced building in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the bottom connecting device of the swing structure according to the embodiment of the present invention;
FIG. 3 is a schematic view showing the construction of a hinge support according to an embodiment of the present invention;
FIG. 4 is a schematic view of a damper in an embodiment of the present invention;
fig. 5 is a schematic view of the structure of the buckle in the implementation of the present invention.
In the figure:
1-building structure; 101-foundation of a building structure; 2-a rocking structure; 201-an upright post; 202-a cross beam; 203-a herringbone strut; 204-an arcuate recess; 3-a damper; 4-tendons; 5-hinging support; 6-rolling elements; 7-a snap assembly; 8-arc-shaped grooves; 9-ball; 10-a first spring; 11-a second spring; 12-a spring support plate; 13-forward rotation buckle; 131-positive rotation male buckle; 132-forward female buckle; 14-reversing the buckle; 141-reverse pin; 142-reversing the button; 15-a first connection plate; 16-a plug-in part; 17-elastic clip arms; 18-a second connection plate; 19-an insertion opening; 20-clamping notch; 21-an upper cylinder; 22-orthodontic threads; 23-a lower cylinder; 24-a third spring; 25-positioning plates; 26-a rubber pad; 27-extending the flange plate; 28-high-strength bolts; 29-a first hanging ring; 30-second hanging ring.
The specific embodiment is as follows:
the invention will be further described with reference to the drawings and examples for the purpose of more clearly explaining the invention, it being apparent that the drawings are only some of the embodiments of the invention.
As shown in fig. 1 to 5, the swing structure bottom connecting device with a changeable connection mode of the invention comprises a swing structure 2 arranged on the outer side of a building structure 1, wherein the swing structure 2 comprises two parallel upright posts 201, a plurality of cross beams 202 are distributed between the two upright posts 201 at intervals from top to bottom, a herringbone support 203 is arranged between two adjacent cross beams 202, the upper end of the herringbone support 203 is hinged with the middle part of the cross beam 202, and two sides of the lower end of the herringbone support 203 are respectively hinged with the upright posts 201 on two sides. The novel building structure is characterized in that a damper 3 is connected between two side wall feet of the swinging structure 2 and a foundation 101 of the building structure, an arc-shaped concave part 204 is arranged in the middle of the bottom end of the swinging structure 2, a hemispherical hinged support 5 fixed on the foundation 101 of the building structure is arranged below the arc-shaped concave part 204, a steel bar bundle 4 is arranged between the hinged support 5 and the middle of the swinging structure 2 in a penetrating mode, the hinged support 5 is in rolling connection with the arc-shaped concave part 204 through a rolling body 6, a plurality of buckle assemblies 7 are further arranged between the hinged support 5 and the arc-shaped concave part 204, a male buckle in the buckle assemblies 7 is fixedly connected to the arc-shaped surface of the arc-shaped concave part 204, and a female buckle in the buckle assemblies 7 is fixedly connected to the arc-shaped surface of the hinged support 5, so that when the swinging structure 2 rotates to reach a designed radian, the male buckle and the female buckle are mutually fastened to realize fixation.
In this embodiment, an arc-shaped groove 8 corresponding to the arc-shaped concave part 204 is arranged at the upper end of the hinged support 5; the rolling body 6 comprises a plurality of balls 9 which are distributed along the arc-shaped groove 8 at intervals, two adjacent balls 9 are connected through a first spring 10, and two balls 9 at the left end and the right end are respectively connected with the left end side wall and the right end side wall of the arc-shaped groove 8 through a second spring 11. That is, the rolling connection between the hinge supports of the arc recess can be realized by forming the chain type rolling body structure in the arc recess 8 by the balls 9, the first spring 10 and the second spring 11, so that the sliding friction is converted into the rolling friction.
In this embodiment, the spring support plates 12 are disposed below the middle parts of the first springs 10 located at the left side and the right side of the arc-shaped groove 8, and the U-shaped notches for facilitating the first springs 10 to pass through are formed in the middle parts of the upper ends of the spring support plates 12, and the lower ends of the spring support plates 12 are welded with the bottom surfaces of the arc-shaped groove 8. By arranging the spring support plate, a good supporting effect can be achieved on the first spring.
In this embodiment, the tendon 4 is a post-tensioned prestressed tendon; a reserved pore canal A which is beneficial to the penetration of the steel bar bundles 4 is formed in the middle of the arc-shaped concave part 204; the middle part of the bottom surface of the arc-shaped groove 8 is provided with a reserved pore canal B which is coaxially arranged with the reserved pore canal A and is beneficial to the insertion of the steel bar bundles 4.
In this embodiment, a first hanging ring is fixedly connected to the left and right ends of the ball 9, and hooks for hanging with the hanging rings are fixed to the left and right ends of the first spring 10 and the second spring 11; the hook at one end of the second spring 11 far away from the ball 9 is connected with the second hanging ring on the hinged support 5.
In this embodiment, the plurality of buckle assemblies 7 are distributed in a rectangular shape, each buckle assembly 7 includes a forward rotation buckle 13 and a reverse rotation buckle 14 that are adjacently disposed along an arc surface, the forward rotation buckle 13 includes a forward rotation male buckle 131 and a forward rotation female buckle 132, and when the swing structure 2 rotates clockwise to reach a designed radian, the forward rotation male buckle 131 and the forward rotation female buckle 132 are fastened to each other, so as to achieve fixation; the reverse buckle 14 comprises a reverse male buckle 141 and a reverse female buckle 142, and when the swing structure 2 rotates anticlockwise to reach a designed radian, the reverse male buckle 141 and the reverse female buckle 142 are fastened with each other to realize fixation. By arranging the forward rotation buckle 13 and the reverse rotation buckle 14, the swing structure can be suitable for fixing the swing structure in different rotation directions.
In this embodiment, the forward male buckle 141 and the reverse male buckle 141 each include a first connecting plate 15, the upper end of the first connecting plate 15 is welded with the arc surface of the arc recess 204, the lower end is provided with a plugging portion 16, and the front and rear sides of the plugging portion 16 are symmetrically provided with elastic clamping arms 17; the forward-rotation female buckle 132 and the reverse-rotation female buckle 142 each comprise a second connecting plate 18, the lower ends of the second connecting plates 18 are welded with the cambered surfaces of the hinge supports 5, the upper ends of the second connecting plates are provided with insertion openings 19 matched with the insertion portions 16, and clamping gaps 20 matched with the elastic clamping arms 17 are symmetrically formed in the front side and the rear side of the insertion openings 19.
In this embodiment, the damper 3 includes an upper cylinder 21 and a lower cylinder 23 sleeved outside the lower portion of the upper cylinder 21, an orthodontic screw 22 screwed with an orthodontic screw hole at the bottom of the swing structure 2 is provided on the outer wall of the upper portion of the upper cylinder 21, a rubber pad 26 is provided between the lower cylinder 23 and the side wall of the upper cylinder 21, a third spring is provided inside the lower cylinder 23, the upper end of the third spring 24 is abutted to the inner top surface of the upper cylinder 21, the lower end is abutted to the bottom of the lower cylinder 23, a positioning plate 25 is fixedly connected to the bottom surface of the lower cylinder 23, and the positioning plate 25 is locked on the foundation 101 of the building structure through a shear-resistant high-strength bolt. The dampers on two sides are used for providing self-resetting restoring force for the swinging structure, are easy to install, and can greatly improve construction efficiency.
In this embodiment, the front and rear sides of the lower end of the hinge support 5 are respectively provided with an extending flange plate 27, and the extending flange plates 27 are locked on the foundation 101 of the building structure via high-strength bolts 28, so as to fix the whole hinge support on the foundation of the building structure.
In this embodiment, during the use, when the swing structure receives the in-plane effect, swing structure bottom middle part and hemisphere hinged support are through the rolling element of chain and post-tensioned prestressing tendons collaborative motion, form the articulated connection that has the self-reset function, and the damage deformation distribution of building structure can effectively be improved to the swing structure this moment, reduces the condition that the damage concentrated, satisfies "little shake is bad, the design level that the middle shake can repair". And as the earthquake action becomes stronger, when the expected earthquake fortification intensity is reached, the male buckle and the female buckle which are corresponding in position are mutually buckled and locked, so that the bottom connecting device is changed into a consolidation form from a hinging form.
The invention has the advantages that: (1) The swing structure is arranged on the outer side of the existing building structure, the outside of the building structure is integrally reinforced by utilizing an externally attached reinforcing mode, the building structure has the characteristic of no home-entering reinforcement, the existing traditional home-entering reinforcing mode is changed, and the problems of long reinforcing period and large influence on households are solved; (2) The bottom of the swinging structure is provided with a connecting device consisting of a damper, a hinged support, a rolling body and a post-tensioned prestressing tendon, so that the boundary condition of the swinging structure is changed, the earthquake-proof reinforcement requirements of the building structure under different earthquake intensities are met, and the integral earthquake-proof performance of the building structure is ensured; (3) The whole structure adopts an assembly type construction mode, and the reinforced constructional elements are erected, so that the construction is convenient, and the reinforcing period is shortened.
The other technical scheme of the invention is as follows: a construction method of a swinging structure bottom connecting device with changeable connection modes comprises the following steps:
step S1: fixing the extending flange plates at two sides of the lower end of the hinged support at the appointed position of the foundation of the building structure;
step S2: the rolling bodies are placed in the arc-shaped grooves at the upper ends of the hinge supports, and the rolling bodies are fixed on the hinge supports through the connection of hooks at the left end and the right end of the rolling bodies with the hanging holes on the left side wall and the right side wall of the arc-shaped grooves respectively;
step S3: fixing the forward rotation male buckle and the reverse rotation male buckle on the cambered surface of the cambered concave part in the middle of the bottom end of the swinging structure according to a certain radian, and fixing the forward rotation female buckle and the reverse rotation female buckle on the cambered surface of the hinged support according to a certain radian, wherein the positions of the forward rotation female buckle and the reverse rotation female buckle correspond to the positions of the forward rotation male buckle and the reverse rotation male buckle respectively;
step S4: fixing a lower cylinder of the damper on the basis of a building structure, wherein an orthodontic thread of an upper cylinder is in threaded connection with an inverse thread hole of a basement at the bottom of the swing structure;
step S5: placing an arc concave part in the middle of the bottom end of the swinging structure on a hinged support, and enabling an upper cylinder body of a damper attached to the swinging structure to extend into a lower cylinder body to finish the installation of the damper;
step S6: and (3) penetrating the steel bar bundles through the middle part of the swinging structure and the hinged support, and performing prestress post-tensioning to finish the installation of the swinging structure bottom connecting device with changeable connection modes.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a convertible connected mode's sways structure bottom connecting device, including setting up the swaing structure in the building structure outside, its characterized in that: the device comprises a swinging structure, wherein dampers are connected between two side wall feet of the swinging structure and a foundation of the building structure, an arc-shaped concave part is arranged in the middle of the bottom end of the swinging structure, a hemispherical hinged support fixed on the foundation of the building structure is arranged below the arc-shaped concave part, a steel bar bundle penetrates through the middle of the hinged support and the swinging structure, the hinged support and the arc-shaped concave part are in rolling connection through rolling bodies, a plurality of buckle assemblies are further arranged between the hinged support and the arc-shaped concave part, male buckles in the buckle assemblies are fixedly connected on the cambered surface of the arc-shaped concave part, female buckles in the buckle assemblies are fixedly connected on the cambered surface of the hinged support, and when the swinging structure rotates to reach a designed radian, the male buckles and the female buckles are mutually buckled to realize fixation;
the upper end of the hinged support is provided with an arc-shaped groove which is matched with the arc-shaped concave part; the rolling body comprises a plurality of balls which are distributed at intervals along the arc-shaped groove, two adjacent balls are connected through a first spring, and two balls positioned at the left end and the right end are respectively connected with the left end side wall and the right end side wall of the arc-shaped groove through a second spring;
the plurality of buckle components are distributed in a rectangular shape, each buckle component comprises a forward rotation buckle and a reverse rotation buckle which are adjacently arranged along an arc surface, each forward rotation buckle comprises a forward rotation male buckle and a forward rotation female buckle, and when the swinging structure rotates clockwise to reach a designed arc, the forward rotation male buckle and the forward rotation female buckle are fastened with each other to realize fixation; the reversing buckle comprises a reversing male buckle and a reversing female buckle, and when the swinging structure rotates anticlockwise to reach a designed radian, the reversing male buckle and the reversing female buckle are mutually buckled to realize fixation.
2. The swing structure bottom connecting device of the convertible connection of claim 1, wherein: the lower part of the middle part of the first spring that is located arc recess left side and right side is provided with the spring supporting plate, U type notch in order to do benefit to first spring and pass is offered at the upper end middle part of spring supporting plate, and the lower extreme of spring supporting plate links firmly with the bottom surface of arc recess.
3. The swing structure bottom connecting device of the convertible connection of claim 1, wherein: the steel bar bundles are post-tensioned prestressed steel bar bundles; a reserved pore canal A which is beneficial to the penetration of the steel bar bundles is formed in the middle of the arc-shaped concave part; and a reserved pore canal B which is coaxially arranged with the reserved pore canal A and is beneficial to the insertion of the steel bar bundles is arranged in the middle of the bottom surface of the arc-shaped groove.
4. The swing structure bottom connecting device of the convertible connection of claim 1, wherein: the left end and the right end of the ball are respectively fixedly connected with a first hanging ring, and hooks for hanging the hanging rings are respectively fixed at the left end and the right end of the first spring and the second spring; the hook at one end of the second spring far away from the ball 9 is connected with the second hanging ring on the hinged support in a hanging mode.
5. The swing structure bottom connecting device of the convertible connection of claim 1, wherein: the positive rotation male buckle and the negative rotation male buckle comprise a first connecting plate, the upper end of the first connecting plate is fixedly connected with the cambered surface of the cambered concave part, the lower end of the first connecting plate is provided with a plug-in part, and the front side and the rear side of the plug-in part are symmetrically provided with elastic clamping arms; the positive rotation box and the negative rotation box comprise a second connecting plate, the lower end of the second connecting plate is fixedly connected with the cambered surface of the hinged support, the upper end of the second connecting plate is provided with an inserting port matched with the inserting part, and clamping gaps matched with the elastic clamping arms are symmetrically formed in the front side and the rear side of the inserting port.
6. The swing structure bottom connecting device of the convertible connection of claim 1, wherein: the damper comprises an upper cylinder body and a lower cylinder body sleeved outside the lower part of the upper cylinder body, an orthodontic screw thread for being in threaded connection with an inverse thread hole in the bottom of the swing structure is arranged on the outer wall of the upper part of the upper cylinder body, a rubber pad is arranged between the lower cylinder body and the side wall of the upper cylinder body, a third spring is arranged in the lower cylinder body, the upper end of the third spring is abutted against the inner top surface of the upper cylinder body, the lower end of the third spring is abutted against the bottom of the lower cylinder body, a locating plate is fixedly connected with the bottom surface of the lower cylinder body, and the locating plate is locked on the basis of the building structure through a shearing-resistant high-strength bolt.
7. The swing structure bottom connecting device of the convertible connection of claim 1, wherein: the front side and the rear side of the lower end of the hinged support are respectively provided with an extending flange plate, and the extending flange plates are locked on the foundation of the building structure through high-strength bolts.
8. A construction method of a swinging structure bottom connecting device with changeable connection modes is characterized by comprising the following steps: a rocking structure bottom connection device comprising a convertible connection according to any one of claims 1 to 7, comprising the steps of:
step S1: fixing the extending flange plates at two sides of the lower end of the hinged support at the appointed position of the foundation of the building structure;
step S2: the rolling bodies are placed in the arc-shaped grooves at the upper ends of the hinge supports, and the rolling bodies are fixed on the hinge supports through the connection of hooks at the left end and the right end of the rolling bodies with the hanging holes on the left side wall and the right side wall of the arc-shaped grooves respectively;
step S3: fixing the forward rotation male buckle and the reverse rotation male buckle on the cambered surface of the cambered concave part in the middle of the bottom end of the swinging structure according to a certain radian, and fixing the forward rotation female buckle and the reverse rotation female buckle on the cambered surface of the hinged support according to a certain radian, wherein the positions of the forward rotation female buckle and the reverse rotation female buckle correspond to the positions of the forward rotation male buckle and the reverse rotation male buckle respectively;
step S4: fixing a lower cylinder of the damper on the basis of a building structure, wherein an orthodontic thread of an upper cylinder is in threaded connection with an inverse thread hole of a basement at the bottom of the swing structure;
step S5: placing an arc concave part in the middle of the bottom end of the swinging structure on a hinged support, and enabling an upper cylinder body of a damper attached to the swinging structure to extend into a lower cylinder body to finish the installation of the damper;
step S6: and (3) penetrating the steel bar bundles through the middle part of the swinging structure and the hinged support, and performing prestress post-tensioning to finish the installation of the swinging structure bottom connecting device with changeable connection modes.
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| CN201811142123.3A CN109083439B (en) | 2018-09-28 | 2018-09-28 | Swing structure bottom connecting device capable of changing connection mode and construction method thereof |
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| CN201811142123.3A CN109083439B (en) | 2018-09-28 | 2018-09-28 | Swing structure bottom connecting device capable of changing connection mode and construction method thereof |
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| CN111962907A (en) * | 2020-09-10 | 2020-11-20 | 福州大学 | Externally-attached swinging reinforcement device and method for controlling earthquake damage deformation of building structure |
| CN113175235B (en) * | 2021-05-12 | 2022-09-16 | 广东华工大建筑工程有限公司 | Reinforced structure for construction |
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| JP2888118B2 (en) * | 1993-11-26 | 1999-05-10 | 株式会社大林組 | Damping device |
| CN204001197U (en) * | 2014-06-16 | 2014-12-10 | 同济大学 | A kind of external prestressing Self-resetting frame construction |
| CN106382041B (en) * | 2016-11-09 | 2019-01-18 | 苏州科技大学 | A kind of assembled waves Self-resetting steel support structure system |
| CN207633567U (en) * | 2017-12-01 | 2018-07-20 | 北京建筑大学 | A kind of novel replaceable waves energy consumption suspension column |
| CN208934458U (en) * | 2018-09-28 | 2019-06-04 | 福州大学 | The swinging structure bottom connecting device of convertible connection type |
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