CN-121992893-A - Floor damping device and construction method thereof

CN121992893ACN 121992893 ACN121992893 ACN 121992893ACN-121992893-A

Abstract

The application provides a floor slab damping device which comprises two groups of steel beams, a bearing table, a tuning mass damper and two suspension mechanisms. Two groups of steel beams are all installed on the floor slab and are arranged at intervals. The plummer is set up between two sets of girder steel. The tuning mass damper is mounted to the carrier. And a hanging mechanism is arranged between the two groups of steel beams and the bearing table. The suspension mechanism comprises a first suspension seat, a suspension joint and a second suspension seat. The application also provides a construction method of the floor slab damping device, which at least comprises the following steps of perforating a floor slab, installing two groups of steel beams at the perforating position, installing hanging mechanisms on the two groups of steel beams, clamping a bearing table between the two hanging mechanisms, welding a tuning mass damper on the surface of the bearing table, and covering the perforating position by using a precast slab. The floor slab damping device provided by the application can ensure that vibration is stably transmitted between the steel beam and the bearing table, and has a good damping effect.

Inventors

LU LIN
WANG GUIYUAN
HE LU
WANG HAO
HUANG JING
LIU YAN
HONG LIANG
HAN WENHAO

Assignees

湖南长大建设集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260409

Claims (10)

1. A floor slab vibration damper, comprising: the two groups of steel beams are arranged on the floor slab and are arranged at intervals; The bearing table is arranged between the two groups of steel beams; a tuned mass damper mounted to the load-bearing table; A hanging mechanism is arranged between the two groups of steel beams and the bearing table; the suspension mechanism comprises a first suspension seat, a suspension joint and a second suspension seat, wherein the first suspension seat is arranged on the bearing table, the suspension joint is arranged on the first suspension seat and can rotate around a first direction relative to the first suspension seat, and the second suspension seat is arranged between the suspension joint and the steel beam and can rotate around a second direction relative to the suspension joint; wherein the first direction and the second direction are perpendicular to each other.
2. A floor slab vibration damper as recited in claim 1 wherein said first hanger includes a first housing and a plurality of first hinge plates, each of said plurality of first hinge plates being connected to said first housing and being spaced apart in a first direction; the suspension joint comprises a middle plate and a plurality of first rotating plates, wherein the first rotating plates are connected to the middle plate and are staggered and stacked with the first hinge plates; The suspension mechanism further comprises a first rotating shaft, and the first rotating shaft penetrates through the plurality of first hinge plates and the plurality of first rotating plates.
3. A floor slab vibration damper as recited in claim 2 wherein said second hanger includes a second housing and a plurality of second hinge plates, each of said plurality of second hinge plates being connected to said second housing and being spaced apart in a second direction; the suspension joint comprises a middle plate and a plurality of second rotating plates, wherein the second rotating plates are connected to one side of the middle plate, which is opposite to the first rotating plate, and are staggered and stacked with the second hinge plates; The suspension mechanism further comprises a second rotating shaft, and the second rotating shaft penetrates through the second hinge plates and the second rotating plates.
4. A floor slab vibration damper as recited in claim 2, wherein said first hinge plate has a plurality of first arcuate slots formed therein on a side thereof facing said first rotating plate; The first rotating plate is provided with a plurality of first arc-shaped blocks on one side facing the first hinge plate, and the plurality of first arc-shaped blocks are rotatably clamped in the plurality of first arc-shaped grooves and are arranged in one-to-one correspondence with the plurality of first arc-shaped grooves.
5. A floor slab vibration damper according to claim 3 wherein a plurality of second arcuate slots are formed in a side of said second hinge plate facing said second rotating plate; The second rotating plate is provided with a plurality of second arc-shaped blocks on one side facing the second hinge plate, and the second arc-shaped blocks are rotatably clamped in the second arc-shaped grooves and are arranged in one-to-one correspondence with the second arc-shaped grooves.
6. The floor damping device according to claim 1, wherein the second suspension seat comprises a fixed seat, a movable space, an inclined plane, a plurality of through holes, a second seat body, a plurality of connecting rods and an inclined plate, the fixed seat is installed on the steel beam, the movable space is arranged in the fixed seat and penetrates through the fixed seat, the inclined plane is arranged in the fixed seat and is positioned in the movable space, the plurality of through holes are all arranged in the fixed seat, the second seat body is installed on the suspension joint, the plurality of connecting rods are all connected with the second seat body and penetrate through the plurality of through holes and are arranged in one-to-one correspondence with the plurality of through holes, and the inclined plate is connected with one end of the plurality of connecting rods, which is far away from the second seat body, and is positioned in the movable space.
7. A floor slab vibration damper according to claim 1, wherein the first suspension seat comprises a first seat body, a first guide surface and a wedge-shaped groove, the first guide surface is provided on the first seat body, and the wedge-shaped groove is provided on the first seat body and is located at the first guide surface; The bearing table comprises a table body, two second guide surfaces and two wedge-shaped blocks, wherein the two second guide surfaces are respectively arranged on the table body and are attached to the two first guide surfaces in a one-to-one correspondence mode, and the two wedge-shaped blocks are respectively formed in the table body and are clamped in the two wedge-shaped grooves and are positioned on the second guide surfaces.
8. A floor cushioning apparatus according to claim 1, further comprising a securing mechanism mounted between two of said first suspension brackets.
9. A floor slab vibration damper according to claim 8, wherein the fixing mechanism comprises a fixing plate, a fixing frame, a plurality of screws and a plurality of nuts, the fixing plate is mounted on one of the first suspension seats, the fixing frame is mounted on the other of the first suspension seats, the plurality of screws are connected to the fixing plate and pass through the fixing frame, and the plurality of nuts are sleeved on the plurality of screws and are screwed to the plurality of screws and are located on one side of the fixing frame opposite to the fixing plate.
10. A method of constructing a floor slab vibration damper according to claim 1, comprising at least the steps of: Opening holes on the floor slab; Mounting two groups of steel beams at the openings; mounting the suspension mechanisms on two groups of steel beams; Clamping the bearing table between the two suspension mechanisms; Welding the tuned mass damper to the susceptor surface; The openings are covered with prefabricated panels.

Description

Floor damping device and construction method thereof Technical Field The application relates to the technical field of building damping equipment, in particular to a floor damping device and a construction method thereof. Background In daily use, the floor inevitably suffers from impacts, particularly on playing fields such as courts. Floor slab impacts, which can affect the underlying users, often require a shock absorbing treatment. In damping floor slabs, it is often necessary to use tuned mass dampers (also called tuned mass dampers) mounted at the section steel of the floor slab. The tuned mass damper consists of three parts, namely a mass block, a spring and a damper, when the floor slab is excited by the outside to generate vibration, the mass block can be influenced and generate corresponding displacement, and the mass block and the floor slab are elastically connected, so that the mass block and the floor slab can generate interaction force, and the vibration amplitude of the main body structure is effectively reduced. However, as the service time of the tuned mass damper increases, the tuned mass damper inevitably loosens, and thus vibration cannot be efficiently transmitted between the tuned mass damper and the floor slab, and the damping effect becomes poor. Disclosure of Invention The application aims to provide a floor slab damping device and a construction method thereof, which are used for solving the technical problem that the damping effect is poor due to loosening of a tuned mass damper in the prior art. In order to achieve the above purpose, the application adopts the technical scheme that the floor damping device comprises: the two groups of steel beams are arranged on the floor slab and are arranged at intervals; The bearing table is arranged between the two groups of steel beams; a tuned mass damper mounted to the load-bearing table; A hanging mechanism is arranged between the two groups of steel beams and the bearing table; the suspension mechanism comprises a first suspension seat, a suspension joint and a second suspension seat, wherein the first suspension seat is arranged on the bearing table, the suspension joint is arranged on the first suspension seat and can rotate around a first direction relative to the first suspension seat, and the second suspension seat is arranged between the suspension joint and the steel beam and can rotate around a second direction relative to the suspension joint; wherein the first direction and the second direction are perpendicular to each other. Optionally, the first suspension seat includes a first seat body and a plurality of first hinge plates, where the plurality of first hinge plates are connected to the first seat body and are arranged at intervals along a first direction; the suspension joint comprises a middle plate and a plurality of first rotating plates, wherein the first rotating plates are connected to the middle plate and are staggered and stacked with the first hinge plates; The suspension mechanism further comprises a first rotating shaft, and the first rotating shaft penetrates through the plurality of first hinge plates and the plurality of first rotating plates. Optionally, the second suspension seat includes a second seat body and a plurality of second hinge plates, where the plurality of second hinge plates are connected to the second seat body and are arranged at intervals along a second direction; the suspension joint comprises a middle plate and a plurality of second rotating plates, wherein the second rotating plates are connected to one side of the middle plate, which is opposite to the first rotating plate, and are staggered and stacked with the second hinge plates; The suspension mechanism further comprises a second rotating shaft, and the second rotating shaft penetrates through the second hinge plates and the second rotating plates. Optionally, a plurality of first arc-shaped grooves are formed in one side, facing the first rotating plate, of the first hinge plate; The first rotating plate is provided with a plurality of first arc-shaped blocks on one side facing the first hinge plate, and the plurality of first arc-shaped blocks are rotatably clamped in the plurality of first arc-shaped grooves and are arranged in one-to-one correspondence with the plurality of first arc-shaped grooves. Optionally, a plurality of second arc-shaped grooves are formed in one side, facing the second rotating plate, of the second hinge plate; The second rotating plate is provided with a plurality of second arc-shaped blocks on one side facing the second hinge plate, and the second arc-shaped blocks are rotatably clamped in the second arc-shaped grooves and are arranged in one-to-one correspondence with the second arc-shaped grooves. Optionally, the second hangs the seat and includes fixing base, activity space, inclined plane, a plurality of through-hole, second pedestal, a plurality of connecting rod and swash plate, the fixing base in