Detachable non-pre-buried friction pendulum seismic isolation bearing fixing device
The modular and detachable friction pendulum seismic isolation bearing fixing device solves the problem of difficult-to-control fixing accuracy during construction, realizes precise installation and real-time offset adjustment of the bearing, and improves construction quality and detachability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SCEGC NO 6 CONSTR ENG GRP CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-06-16
AI Technical Summary
The existing fixing measures for friction pendulum seismic isolation bearings during the construction phase have quality risks that are difficult to correct due to high precision requirements, especially errors that are prone to occur during pre-embedded fixing.
The modular, detachable, non-embedded friction pendulum seismic isolation bearing fixing device is adopted, including a lower fastening and telescopic adjustment device, an adaptive centering leveling mechanism, and an offset scale measuring mechanism, to realize the telescopic adjustment of the bearing and real-time measurement of the offset, ensuring installation accuracy.
It improves the installation accuracy of friction pendulum seismic isolation bearings, realizes real-time feedback and information collection of offset, ensures construction quality, supports greening and reuse, and reduces the risk of construction errors.
Smart Images

Figure CN224363475U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building construction technology, specifically relating to a detachable non-embedded friction pendulum seismic isolation bearing fixing device. Background Technology
[0002] Seismic isolation buildings have been widely promoted and applied due to their advantages in improving seismic performance, technological advancement, policy support, economic benefits, and social benefits. When friction pendulum seismic isolation bearings (4) are used in seismic isolation buildings, their fixing during the construction phase typically employs simplified fasteners, often using bolts for connection. This pre-embedded fixing requires high construction precision; any errors are difficult to correct, posing certain quality risks. Utility Model Content
[0003] To address the problems existing in the prior art, this utility model provides a detachable non-embedded friction pendulum seismic isolation support fixing device.
[0004] The technical solution adopted by this utility model to solve its technical problem is:
[0005] A detachable, non-embedded friction pendulum seismic isolation bearing fixing device includes a bearing 4 with four bearing base rods 401 at its bottom. Lower fastening and telescopic adjustment devices 1 are installed at the angled connections of the four bearing base rods 401. Four lower support fixing rods 402 are located in the middle of the four bearing base rods 401, and each lower support fixing rod 402 is equipped with an adaptive centering leveling mechanism 2. Friction pendulum fixing rods 403 are located at the top of the middle of the four bearing base rods 401, and each friction pendulum fixing rod 403 is equipped with an adaptive centering leveling mechanism 2. The components of the lower fastening and telescopic adjustment device 1, the adaptive centering leveling mechanism 2, and the offset scale measuring mechanism 3 are all modular, assembleable, and quickly disassembled components.
[0006] This utility model also has the following additional technical features:
[0007] As a further specific optimization of the technical solution of this utility model: the lower fastening telescopic adjustment device 1 can be telescopically adjusted according to the different sizes of the friction pendulum vibration isolation support 4 and the friction pendulum; the lower fastening telescopic adjustment device 1 includes a first upper corner bracket 101, a first middle connecting piece 103, a first lower corner bracket 102 and a first locking bolt 104, wherein the first middle connecting piece 103 is L-shaped and is placed at the angle connection of the four support base rods 401, the first upper corner bracket 101 and the first lower corner bracket 102 are placed on the upper and lower sides of the angle connection of the four support base rods 401, and the angle connection of the first upper corner bracket 101, the first middle connecting piece 103, the first lower corner bracket 102 and the support base rod 401 is locked and limited by the first locking bolt 104.
[0008] As a further specific optimization of the technical solution of this utility model: the adaptive distance leveling mechanism 2 includes a second upper corner bracket 201, a second middle layer connector 204, a second lower corner bracket 202, and a second locking bolt 203. The second middle layer connector 204 is I-shaped and is placed at the four lower support fixing rods 402. The second upper corner bracket 201 and the second lower corner bracket 202 are placed on the upper and lower sides of the four lower support fixing rods 402. The second upper corner bracket 201, the second middle layer connector 204, the second lower corner bracket 202, and the four lower support fixing rods 402 are locked and limited by the second locking bolt 203.
[0009] As a further specific optimization of the technical solution of this utility model: the offset scale measuring mechanism 3 can realize the real-time measurement of the offset when the friction pendulum vibration isolation support 4 platform is offset by an unknown external force during the installation process (one is set in each of the front, back, left and right sides); it can record the magnitude of the offset at any time so as to feed the information back to the management personnel; the offset scale measuring mechanism 3 is an offset scale ruler.
[0010] Compared with the prior art, the advantages of this utility model are:
[0011] The technical problem this invention aims to solve lies in the temporary fixing measures for the friction pendulum seismic isolation bearing 4. This device can be extended and adjusted according to the size of the support pier of the friction pendulum seismic isolation bearing 4. The upper and lower parts are self-adaptive fastening and leveling mechanisms (springs and snap-fit connection devices are set at the fastening points). It also enables real-time measurement of the offset when the friction pendulum seismic isolation bearing 4 is subjected to an unknown external force during installation. Information is fed back to management personnel through the offset scale, allowing for immediate displacement adjustment to eliminate the external force and ensure the installation accuracy of the friction pendulum seismic isolation bearing 4 during pre-embedded fixing. The components and accessories of this detachable, non-pre-embedded friction pendulum seismic isolation bearing fixing device are all modular, assembleable, and quickly disassembled. It also enables real-time feedback and information collection on the offset, allowing for immediate displacement adjustment to eliminate the external force, improve the installation accuracy of the friction pendulum seismic isolation bearing 4, achieve energy saving and low carbon emissions, and realize numerous advantages such as greening and repeated reuse.
[0012] This utility model allows for telescopic adjustment based on the dimensions of the friction pendulum seismic isolation bearing 4 and the size of the support pier. The upper and lower parts are fixed with an adaptive fastening and leveling mechanism (springs and snap-fit connections are installed at the fastening points). Furthermore, it enables real-time measurement of the offset when the friction pendulum seismic isolation bearing 4 is subjected to unexplained external forces during installation. This information is fed back to management personnel via an offset scale, allowing for immediate displacement adjustment to eliminate the external force and ensure installation accuracy during the pre-embedded fixing of the upper support pier of the friction pendulum seismic isolation bearing 4. The components and accessories of this detachable, non-pre-embedded friction pendulum seismic isolation bearing fixing device are modular, modular, and quick-disassembly configurable. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the support 4 structure of this utility model;
[0014] Figure 2 This is a simplified structural diagram of the support fixing device of this utility model;
[0015] Figure 3 This is a schematic diagram of the lower fastening telescopic adjustment device 1 of this utility model;
[0016] Figure 4 This is a schematic diagram of the adaptive distance leveling mechanism 2 of this utility model;
[0017] Figure 5 This is a schematic diagram of the overall structure of the support fixing device of this utility model. Detailed Implementation
[0018] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings.
[0019] Example 1
[0020] A detachable, non-embedded friction pendulum seismic isolation bearing fixing device includes a bearing 4 with four bearing base rods 401 at its bottom. Lower fastening and telescopic adjustment devices 1 are installed at the angled connections of the four bearing base rods 401. Four lower support fixing rods 402 are located in the middle of the four bearing base rods 401, and each lower support fixing rod 402 is equipped with an adaptive centering leveling mechanism 2. Friction pendulum fixing rods 403 are located at the top of the middle of the four bearing base rods 401, and each friction pendulum fixing rod 403 is equipped with an adaptive centering leveling mechanism 2. The components of the lower fastening and telescopic adjustment device 1, the adaptive centering leveling mechanism 2, and the offset scale measuring mechanism 3 are all modular, assembleable, and quickly disassembled components.
[0021] The lower fastening telescopic adjustment device 1 can be telescopically adjusted according to the different sizes of the friction pendulum vibration isolation support 4 and the friction pendulum; the lower fastening telescopic adjustment device 1 includes a first upper corner bracket 101, a first middle connecting piece 103, a first lower corner bracket 102 and a first locking bolt 104, wherein the first middle connecting piece 103 is L-shaped and is placed at the angle connection of the four support base rods 401. The first upper corner bracket 101 and the first lower corner bracket 102 are placed on the upper and lower sides of the angle connection of the four support base rods 401. The angle connection of the first upper corner bracket 101, the first middle connecting piece 103, the first lower corner bracket 102 and the support base rod 401 is locked and limited by the first locking bolt 104.
[0022] The adaptive centering leveling mechanism 2 includes a second upper corner bracket 201, a second middle layer connector 204, a second lower corner bracket 202, and a second locking bolt 203. The second middle layer connector 204 is L-shaped and is placed at the four lower support fixing rods 402. The second upper corner bracket 201 and the second lower corner bracket 202 are placed on the upper and lower sides of the four lower support fixing rods 402. The second upper corner bracket 201, the second middle layer connector 204, the second lower corner bracket 202, and the four lower support fixing rods 402 are locked and limited by the second locking bolt 203.
[0023] The offset scale measuring mechanism 3 enables real-time measurement of the offset when the friction pendulum vibration isolation support 4 platform is offset by an unknown external force during installation (one is set in each of the front, back, left, and right sides); it can record the offset at any time to provide feedback to management personnel; the offset scale measuring mechanism 3 is an offset scale ruler.
[0024] Example 2
[0025] Process flow: Material arrival inspection → Friction pendulum seismic isolation bearing fixing device assembly → Offset scale → Pouring concrete for lower support 5 (curing of lower support 5 concrete and removal of formwork) → Install fixing device, the lower fixing device self-adaptive fastening and leveling mechanism is centered and leveled → After stabilization, fasten the snap-type bolts → Inspection and acceptance → Process observation, collection of displacement and force magnitude → Adjusting accuracy → Casting the upper support in place.
[0026] Step 1: Material inspection upon arrival; unqualified products are strictly prohibited from use.
[0027] Step 2: Perform preliminary assembly of the 100*100*5mm square tube, 10# channel steel, fixing bolts (diameter 8mm), nuts, and washers at the top and bottom;
[0028] Step 3: Assemble the offset scale and install the sensor on the fixed device for use (install the offset scale on the fixed device);
[0029] Step 4: Install friction pendulum seismic isolation bearing 4, and carry out formwork erection and concrete pouring for the lower support pier 5. Curing of the concrete for the lower support pier 5 and removal of the formwork.
[0030] Step 5: Install the fixing device. The self-adaptive fastening and leveling mechanism automatically centers and adjusts through springs. After the adjustment is stable, it is fixed by snap-fit connection to fix the friction pendulum vibration isolation support 4.
[0031] Step 6: Inspection and acceptance, process observation, and displacement data collection.
[0032] Step 7: When subjected to external force, adjust the position of fixed support 4 to ensure installation accuracy.
[0033] Step 8: Cast the upper support pier in place. When the concrete has cured to the strength required by the design, check the displacement of the upper support pier. If it meets the requirements, remove the fixing device and prepare it for the next use.
[0034] The above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.
Claims
1. A detachable, non-embedded friction pendulum seismic isolation bearing fixing device, characterized in that: The bottom of the support (4) is provided with four support base rods (401), and the lower fastening telescopic adjustment device (1) is installed at the angle connection of the four support base rods (401); the middle of the four support base rods (401) is provided with four lower support fixing rods (402), and each lower support fixing rod (402) is equipped with an adaptive distance leveling mechanism (2); the top of the middle of the four support base rods (401) is provided with a friction pendulum fixing rod (403), and each friction pendulum fixing rod (403) is equipped with an adaptive distance leveling mechanism (2).
2. The detachable non-embedded friction pendulum seismic isolation bearing fixing device according to claim 1, characterized in that: The lower fastening telescopic adjustment device (1) includes a first upper corner bracket (101), a first lower corner bracket (102), a first middle connecting piece (103), and a first locking bolt (104). The first middle connecting piece (103) is L-shaped and is placed at the angle connection of the four support base rods (401). The first upper corner bracket (101) and the first lower corner bracket (102) are placed on the upper and lower sides of the angle connection of the four support base rods (401). The angle connection of the first upper corner bracket (101), the first middle connecting piece (103), the first lower corner bracket (102), and the support base rods (401) is locked and limited by the first locking bolt (104).
3. The detachable non-embedded friction pendulum seismic isolation bearing fixing device according to claim 1, characterized in that: The adaptive centering leveling mechanism (2) includes a second upper corner bracket (201), a second lower corner bracket (202), a second locking bolt (203), and a second middle connecting piece (204). The second middle connecting piece (204) is I-shaped and is placed at the four lower support fixing rods (402). The second upper corner bracket (201) and the second lower corner bracket (202) are placed on the upper and lower sides of the four lower support fixing rods (402). The second upper corner bracket (201), the second middle connecting piece (204), the second lower corner bracket (202), and the four lower support fixing rods (402) are locked and limited by the second locking bolt (203).
4. The detachable non-embedded friction pendulum seismic isolation bearing fixing device according to claim 1, characterized in that: The offset scale measuring mechanism (3) is an offset scale ruler.