阅读说明：本技术 一种具有位移放大和反复拆装功能的耗能支撑 (Energy dissipation support with displacement amplification and repeated disassembly and assembly functions ) 是由 程扬 何浩祥 孙澔鼎 程时涛 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种具有位移放大和反复拆装功能的耗能支撑,由垫层、套管、微调手柄、连接板、位移二次放大装置、支点轴、外钢板、内钢板组成。该发明可对结构进行层间加固,由垫层、套管、微调手柄及连接板组成的可移动连接装置,可通过调节套管控制连接装置的长度,且套管上下端直接与结构接触,不需对结构进行预处理,具有尺寸可调且便于拆装的特点。由位移二次放大装置、支点轴、外钢板和内钢板组成的耗能减震支撑具有将位移进行二次放大的功能,从而更加有效的消耗地震能量。(The invention discloses an energy dissipation support with displacement amplification and repeated disassembly and assembly functions. The movable connecting device comprises a cushion layer, a sleeve, a fine adjustment handle and a connecting plate, wherein the length of the connecting device can be controlled by adjusting the sleeve, the upper end and the lower end of the sleeve are directly contacted with the structure, the structure is not required to be pretreated, and the movable connecting device has the characteristics of adjustable size and convenience in disassembly and assembly. The energy-consuming and shock-absorbing support consisting of the displacement secondary amplification device, the fulcrum shaft, the outer steel plate and the inner steel plate has the function of secondarily amplifying displacement, so that the seismic energy is more effectively consumed.)

1. The utility model provides an energy consumption support with displacement is enlargied and is relapse dismouting function which characterized in that: the device consists of a cushion layer (3), a sleeve (4), a fine adjustment handle (5), a connecting plate (6), a displacement secondary amplification device (7), a fulcrum shaft (8), an outer steel plate (9) and an inner steel plate (10); the energy dissipation and shock absorption support is arranged between the frame columns (2) and is directly connected with the floor slab (1) for interlayer reinforcement without processing a main body structure; the floor slab is characterized in that a movable connecting device is composed of a cushion layer (3), a sleeve (4), a fine adjustment handle (5) and a connecting plate (6), a floor slab (1) is directly contacted with the cushion layer (3) on the upper part where an energy-consuming and damping support is connected with a structure, the upper end part of the sleeve (4) is tightly extruded on the cushion layer (3), and the lower end part of the sleeve (4) is tightly extruded on the connecting plate (6); the sleeve (4) consists of two circular steel pipes with different sizes and is connected through a screw; the length of the round steel pipe is released through rotation, and the round steel pipe is screwed up in a forward rotation mode and loosened in a reverse rotation mode; during connection, the sleeve (4) is firstly released and pulled out to enable the upper end part and the lower end part to tightly prop against the cushion layer (3) and the connecting plate (6), after the position is fixed, the sleeve (4) is screwed by force in a forward rotation mode, and finally the sleeve (4), the cushion layer (3) and the connecting plate (6) are thoroughly propped by adjusting the fine adjustment handle (5) in a reverse rotation mode; the lower part of the connecting plate (6) is welded with a displacement secondary amplifying device (7), the displacement secondary amplifying device (7) consists of a rectangular plate and a fan-shaped plate, the upper end 1/3 of the rectangular plate of the displacement secondary amplifying device (7) is connected with an outer steel plate (9) through a fulcrum shaft (8), and when the upper end 1/3 generates displacement, the displacement of the lower end 1/3 is amplified by two times; the sector plate of the displacement secondary amplification device (7) is provided with a gear, the upper part of the inner steel plate (10) is provided with a rack, the sector plate and the rack are connected, when the gear rolls and advances for a certain distance, the moving distance of the rack is twice of the moving distance of the gear, and further the displacement is amplified for the second time; the outer steel plate (9) and the inner steel plate (10) form an energy dissipation wall, the outer steel plate (9) completely seals and wraps the inner steel plate (10) and is filled with viscous fluid, the displacement after secondary amplification acts on the inner steel plate (10), and finally the inner steel plate (10) moves in the viscous fluid to conduct viscous energy dissipation.

2. The energy dissipation brace with displacement amplification and repeated disassembly and assembly functions as claimed in claim 1, wherein: the movable connecting device is connected with the outside through extrusion, and the height of the movable connecting device is determined on site through an inner sleeve (4) and an outer sleeve (5) which are loosened and tightened according to actual conditions.

3. The energy dissipation brace with displacement amplification and repeated disassembly and assembly functions as claimed in claim 1, wherein: the seismic energy consumed by the energy dissipation wall is amplified through secondary displacement.

4. The energy dissipation brace with displacement amplification and repeated disassembly and assembly functions as claimed in claim 1, wherein: the displacement secondary amplification device (7) realizes the first displacement amplification of displacement through the fulcrum shaft (8) and the rectangular plate by utilizing the lever principle, and then the stroke amplification device is formed by the gear on the sector plate and the rack at the upper end of the inner steel plate (10) to realize the second displacement amplification.

5. The energy dissipation brace with displacement amplification and repeated disassembly and assembly functions as claimed in claim 1, wherein: the thickness of the displacement secondary amplifying device (7) is 3-5 times of that of the inner steel plate (10), the number of the gears and the racks in a staggered mode is more than 5, and 3 groups of gear rack stroke amplifying devices drive the inner steel plate (10) to move.

6. The energy dissipation brace with displacement amplification and repeated disassembly and assembly functions as claimed in claim 1, wherein: the upper end of the inner steel plate (10) is provided with a rack which is hinged with the outer steel plate (9).

7. The energy dissipation brace with displacement amplification and repeated disassembly and assembly functions as claimed in claim 1, wherein: the sleeve (4), the fine adjustment handle (5), the connecting plate (6), the displacement secondary amplification device (7) and the fulcrum shaft (8) are processed by adopting high-strength steel Q460, and the cushion layer (3) is processed by adopting high-damping rubber.

Technical Field

The invention belongs to the technical field of earthquake resistance and shock absorption of civil engineering structures, and particularly relates to an energy dissipation support with displacement amplification and repeated disassembly and assembly functions, which is suitable for quickly reinforcing an earthquake damage structure.

Background

The intelligent and sustainable requirements of urban development pose new requirements and challenges to building industrialization and seismic resistance of engineering structures. The realization of the quick repair of the earthquake damage structure and the quick recovery of the building function is the basic requirement and research direction of a recoverable functional city. The research and the popularization of the rapid repair performance reinforcement can not only obviously reduce the direct earthquake damage loss, but also obviously shorten the repair period after the earthquake, and provide basic technical support for finally realizing recoverable cities.

At present, the seismic reinforcement of the reinforced concrete seismic damage structure at home and abroad mainly comprises the traditional reinforcement methods such as a section increasing method, an additional seismic wall method, an external steel section wrapping reinforcement method, a replacement concrete reinforcement method, a steel plate pasting reinforcement method, an external prestress reinforcement method, an additional fulcrum reinforcement method and the like. The reinforcing method has the advantages that the reinforcing speed and efficiency are low, the performance improvement and the shock absorption of the installed energy-consuming support are better choices, but the adjustability of the traditional energy-consuming support is poor, the traditional energy-consuming support is difficult to install quickly, time and labor are wasted, the structure cannot be reinforced at the first time, serious casualties and property loss can be caused, and the earthquake relief work is influenced.

Therefore, the earthquake damage structure is timely, fast, safe and reliable reinforced, so that the influence caused by earthquake disasters can be reduced, the structure can rapidly recover functions, and casualties and property loss are reduced. In the aspect of construction, compared with the traditional reinforcing mode, the earthquake damage structure is quickly reinforced, a large amount of funds can be saved, the construction period is relatively short, and the earthquake relief work is favorably carried out. Meanwhile, the added reinforcing member also has reliable energy consumption capability, so that energy consumption of an energy consumption part is ensured, and damage to the main structure is reduced. The mobile energy-consuming support technology and the implementation mode thereof can expand the application field and scene of structural reinforcement and shock absorption and provide technical support for realizing recoverable structures and recoverable cities.

Disclosure of Invention

In order to solve the problems, the invention provides an energy dissipation support with displacement amplification and repeated disassembly and assembly functions, which consists of a movable connecting device and a viscous energy dissipation wall with a displacement secondary amplification function. Can consolidate fast according to the actual earthquake damage position of structure, need not carry out the processing of pre-buried anchor board to consolidating the position junction, have the dismouting simple quick, the nimble unrestricted characteristics of mounted position, simultaneously have carry out the ability of abundant energy consumption after enlargiing the displacement secondary.

The height and the number of the adopted movable connecting devices can be determined on site according to actual engineering requirements, and all the components are flexibly assembled and are convenient to disassemble and assemble. The viscous energy dissipation wall has the function of secondarily amplifying displacement, the displacement of the upper component caused by the earthquake action can be secondarily amplified, and then the viscous energy dissipation wall plays a role, so that the aim of fully consuming the earthquake energy is fulfilled.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an energy consumption support with displacement is enlargied and is relapse dismouting function which characterized in that: the invention consists of a cushion layer (3), a sleeve (4), a fine adjustment handle (5), a connecting plate (6), a displacement secondary amplifying device (7), a fulcrum shaft (8), an outer steel plate (9) and an inner steel plate (10). The energy dissipation and shock absorption support is arranged between the frame columns (2), can be directly connected with the floor slab (1) to reinforce the floor, and does not need to process a main body structure. But by bed course (3), sleeve pipe (4), fine setting handle (5), connecting plate (6) constitution movable connection device, on the upper portion that energy dissipation shock attenuation support links to each other with the structure, floor (1) is direct to be contacted with bed course (3), and the upper end of sleeve pipe (4) tightly extrudes on bed course (3), and the lower tip tightly extrudes on connecting plate (6). The sleeve (4) is composed of two circular steel pipes with different sizes and is connected through screws. The length of the round steel pipe can be released through rotation, and the round steel pipe can be screwed up in a forward rotation mode and loosened in a reverse rotation mode. During connection, the sleeve (4) is firstly released and pulled out to enable the upper end part and the lower end part of the sleeve to tightly prop against the cushion layer (3) and the connecting plate (6), after the position is fixed, the sleeve (4) is screwed down forcibly by forward rotation, and finally the sleeve (4), the cushion layer (3) and the connecting plate (6) are tightly propped by adjusting the fine adjustment handle (5) by backward rotation. The lower part of the connecting plate (6) is welded with a displacement secondary amplifying device (7), the displacement secondary amplifying device (7) consists of a rectangular plate and a fan-shaped plate, the upper end 1/3 of the rectangular plate of the displacement secondary amplifying device (7) is connected with an outer steel plate (9) through a fulcrum shaft (8), and when the displacement is generated at the upper end 1/3, the displacement at the lower end 1/3 of the displacement secondary amplifying device is amplified by two times. The sector plate of the displacement secondary amplification device (7) is provided with a gear, the upper part of the inner steel plate (10) is provided with a rack, the two are connected, when the gear rolls and advances for a certain distance, the moving distance of the rack is twice of the moving distance of the gear, and further the displacement is amplified for the second time. The outer steel plate (9) and the inner steel plate (10) form an energy dissipation wall, the outer steel plate (9) completely seals and wraps the inner steel plate (10) and is filled with viscous fluid, the displacement after secondary amplification acts on the inner steel plate (10), and finally the inner steel plate (10) moves in the viscous fluid to conduct viscous energy dissipation. The device can be consolidated fast according to the actual earthquake damage position of structure, need not carry out the processing of pre-buried anchor plate to consolidating the position junction, has the characteristics that the dismouting is simple quick, the mounted position is nimble unrestricted, has simultaneously and carries out the ability of abundant energy consumption after enlargiing the displacement secondary.

The cushion layer (3) is processed by high-damping rubber, so that damage caused by hard contact between the sleeve (4) and the floor slab (1) is avoided.

The sleeve (4), the fine adjustment handle (5) and the connecting plate (6) are processed by high-strength steel Q460, and the number and the size of the sleeve (4) are determined according to actual engineering requirements, so that the sleeve is ensured to have sufficient bearing capacity.

The displacement secondary amplification device (7) and the fulcrum shaft (8) are also processed by high-strength steel Q460 to ensure the stability and the safety of connection. The thickness of the displacement secondary amplifying device (7) is 3-5 times of that of the inner steel plate (10), and the number of the gears and the racks in a staggered mode is more than 5, so that the displacement secondary amplifying device (7) can drive the inner steel plate (10) to move.

The inner steel plate (10) is hinged with the outer steel plate (9), so that the inner steel plate (10) can move in the horizontal direction.

Compared with the prior art, the invention has the following advantages:

1) the energy dissipation support has the advantages that the energy dissipation and shock absorption effects can be realized by arranging the device in the structure, the device does not need to process the existing structure, the rapid installation can be realized, the device has the characteristic of moving agility, the installation position is not limited, and the damage to the main structure can be reduced.

2) According to the energy-consuming support with the displacement amplification and repeated disassembly and assembly functions, the movable connecting device is connected with the outside through extrusion, the height of the movable connecting device can be regulated and controlled on site according to actual conditions, and the energy-consuming support is simple to operate, quick and time-saving to disassemble and assemble, adjustable in size, safe and reliable.

3) According to the energy dissipation support with the displacement amplification and repeated disassembly and assembly functions, the displacement secondary amplification device can perform secondary amplification on displacement through the rectangular plate, the fulcrum shaft, the gear and the rack, the displacement can be fully transmitted to the energy dissipation device, and energy dissipation is fully performed.

Drawings

Fig. 1 is a three-dimensional effect diagram of an energy dissipation brace with displacement amplification and repeated disassembly and assembly functions.

Fig. 2 is a structural diagram of an energy dissipation brace with displacement amplification and repeated disassembly and assembly functions.

Fig. 3 is a diagram of a movable connecting device.

FIG. 4 is a diagram of a single moveable linkage configuration.

Fig. 5 is a viscous dissipation wall construction.

Fig. 6 is a structural view of a displacement secondary amplifying device.

In the figure: 1-floor, 2-frame column, 3-cushion layer, 4-sleeve, 5-fine adjustment handle, 6-connecting plate, 7-displacement secondary amplification device, 8-fulcrum shaft, 9-outer steel plate and 10-inner steel plate

Detailed Description

Example 1:

the following detailed description of embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1, an embodiment of the energy dissipation brace with displacement amplification and repeated dismounting functions according to the present invention mainly includes: the device comprises a floor (1), frame columns (2), a cushion layer (3), a sleeve (4), a fine adjustment handle (5), a connecting plate (6), a displacement secondary amplification device (7), a fulcrum shaft (8), an outer steel plate (9) and an inner steel plate (10).

The implementation steps are as follows:

1) the frame structure with the seriously damaged floor slab in the earthquake action is temporarily reinforced, and the energy dissipation support with the displacement amplification and repeated disassembly and assembly functions is installed at the position with the seriously damaged floor slab. Firstly, the size and the number of each part are determined according to the actual engineering requirement. Then, the energy dissipating wall is assembled and placed to the connection position. And finally, the energy consumption wall is connected with the main structure through the adjusting sleeve, the fine adjustment handle and the connecting plate. The working principle is as follows: under the action of earthquake, the earthquake acting force is transmitted to a movable connecting device consisting of the sleeve, the fine adjustment handle and the connecting plate through the cushion layer, the connecting plate drives the displacement secondary amplifying device, and the displacement secondary amplifying device amplifies the displacement secondary under the action of the fulcrum shaft, the gear and the rack. The displacement after the secondary amplification drives the inner steel plate of the energy dissipation wall to move in the viscous fluid to dissipate energy through viscosity.

2) The height of the structural layer is 3450mm, the section size of the frame columns is 500mm multiplied by 500mm, an energy dissipation and shock absorption support is arranged between the two frame columns, the total height of the energy dissipation and shock absorption support is 3450mm, the total length is 1500mm, and the total thickness is 500mm, which is shown in figure 1.

3) For the energy-consuming and shock-absorbing support, the upper end and the lower end of the energy-consuming and shock-absorbing support are connected with the floor slab through the movable connecting devices and the cushion layer, the cushion layer is formed by processing high-damping rubber, the size of the cushion layer is 1500mm multiplied by 500mm multiplied by 50mm, the connecting plate is formed by processing Q460 steel, and the size of the connecting plate is 1500mm multiplied by 500mm multiplied by 50mm, which is shown in figure 2.

4) For the movable connecting device, 12 sleeves are arranged between the cushion layer and the connecting plate in two rows, the total height of the sleeves is 500mm, the radius of the end plate contact disc is 75mm, the height of the end plate contact disc is 23mm, the radius of the outer sleeve is 17.5mm, the height of the outer sleeve is 175mm, the radius of the inner sleeve is 12.5mm, and the height of the inner sleeve is 150mm, and the movable connecting device is shown in figures 3 and 4.

5) The viscous energy dissipation wall has the total length of 1500mm, the total thickness of 500mm and the total height of 2200 mm. The size of the outer wall board is 1500mm multiplied by 500mm multiplied by 2000mm, and the wall thickness is 50 mm. See fig. 5.

6) The total height of the displacement secondary amplification device is 750mm, the total thickness is 300mm, the height of the rectangular plate is 450mm, the height of the fan-shaped plate is 300mm, and bolt holes with the radius of 12.5mm are reserved at the height of the rectangular plate 2/3 so as to install the fulcrum shaft. The lower end of the sector plate is attached with 7 gears which are meshed with the racks on the inner wallboard for movement, and the size of the inner wallboard is 1100mm multiplied by 100mm multiplied by 1000mm, which is shown in figure 6.

7) When the device is installed in the structure, the aftershock damping rate can reach 50% -80%.

The above is an exemplary embodiment of the present invention, but the implementation of the present invention is not limited thereto.