CN-121976631-A - Assembled steel plate suspended ceiling device and construction method

Abstract

The invention provides an assembled steel plate suspended ceiling device and a construction method, wherein the suspended ceiling device comprises a suspension connecting piece, a first keel, a second keel and a top main body, the suspension connecting piece is arranged at the top of the first keel, a screw rod part extending along the height direction of the first keel is arranged at the top end of the suspension connecting piece, the second keel is connected with the first keel in a staggered mode to form a grid-shaped structure, and the top main body is arranged in the grid-shaped structure and is used for covering and sealing grid units. The device realizes factory prefabrication and on-site rapid assembly of the suspended ceiling system through the modularized design, replaces the traditional large-area overhead welding operation with bolt connection and intermittent welding, remarkably improves the construction efficiency and the installation accuracy, and reduces the operation safety risk.

Inventors

• Che Junbing
• WEN GUOGUI
• HUANG LIANGBING
• ZHAO RONG

Assignees

• 中冶天工集团有限公司

Dates

Publication Date

20260505

Application Date

20260109

Claims (8)

1. 1. The assembled steel plate suspended ceiling device is characterized by comprising a suspension connecting piece, a first keel, a second keel and a top main body, wherein the suspension connecting piece is arranged at the top of the first keel, a screw rod part extending along the height direction of the first keel is arranged at the top end of the suspension connecting piece, the second keel is connected with the first keel in a staggered mode to form a grid structure, and the top main body is arranged in the grid structure and used for covering and sealing grid units.
2. 2. The assembled steel plate suspended ceiling device according to claim 1, wherein the suspended connecting piece comprises a first connecting plate, a connecting column and a second connecting plate, the first connecting plate and the second connecting plate are correspondingly arranged at two axial ends of the connecting column, one end of the screw rod portion is fixedly connected with the first connecting plate, first mounting holes corresponding to positions are respectively formed in the tops of the second connecting plate and the first keel, and first connecting bolts used for fastening the second connecting plate and the first keel are arranged in the first mounting holes in a penetrating mode.
3. 3. The assembled steel plate suspended ceiling device according to claim 2, wherein a plurality of stiffening ribs are arranged on the second connecting plate, the stiffening ribs are uniformly dispersed around the circumference of the connecting column, and the side ends of the stiffening ribs are fixedly connected with the outer wall of the connecting column.
4. 4. The assembled steel sheet furred ceiling device of any one of claims 1-3, wherein the side end of first fossil fragments is equipped with the third connecting plate, the third connecting plate with the syntropy extends of second fossil fragments, the long tip of third connecting plate and second fossil fragments is equipped with the second mounting hole that the position corresponds respectively, wear to be equipped with in the second mounting hole and be used for the second connecting bolt with both fastening.
5. 5. The assembled steel plate suspended ceiling device according to claim 4, wherein the first keel and the second keel are respectively H-shaped steel, the third connecting plate is fixedly connected with a web plate of the first keel, two ends of the web plate of the second keel respectively protrude out of the end parts of wing plates of the second keel along the length direction of the second keel, and the inner bottom surface of the first keel and the inner bottom surface of the second keel are located in the same horizontal datum plane.
6. 6. The assembled steel suspended ceiling device of claim 5, wherein the top body comprises a suspended ceiling plate positioned inside the first keel and the second keel, and wherein the bottom end is fixedly connected to the wing plate of the first keel and the wing plate of the second keel.
7. 7. The assembled steel suspended ceiling device of claim 6, wherein the top body comprises a plurality of third keels extending in the same direction as the first keels and fixedly arranged on the top of the suspended ceiling plate.
8. 8. A method of construction using the assembled steel ceiling apparatus of any one of claims 5-7, comprising the steps of: the top end of the screw rod part is connected with a bolt ball in the steel net frame structure; aligning the first keel with the suspension connecting piece, and fastening and connecting the first keel with a first connecting bolt penetrating through the first mounting hole; A second keel is arranged between the adjacent first keels, the second keels are aligned with the third connecting plate, and a second connecting bolt penetrating through the second mounting hole is utilized for fastening connection; the top body is arranged in a grid unit formed by enclosing the first keel and the second keel, so that the bottom end of the suspended ceiling plate is attached to the first keel and the second keel for positioning, and local spot welding fixation is carried out; And continuously welding the overlapping triangular areas formed by the top body, the first keels and the second keels, and brushing fireproof paint after the integral construction is finished.

Description

Assembled steel plate suspended ceiling device and construction method Technical Field The invention relates to the technical field of building construction, in particular to an assembled steel plate suspended ceiling device and a construction method. Background Along with the acceleration of the modern urban process, the requirements of industrial production and living environment on clean manufacturing and continuous operation are continuously improved, and the modern coating workshops generally adopt indoor operation to reduce environmental pollution and realize continuous production, so that the wide application of the large-span coating workshops is promoted. The building adopts a steel grid structure and a metal single-layer plate roof system, and a metal suspended ceiling system is usually arranged below the grid according to the process layout and the environmental control requirement so as to realize the functions of space closure, equipment shielding and the like. The traditional suspended ceiling construction generally adopts an on-site welding process, namely after a steel framework is erected below a steel mesh frame, constructors are required to be in an overhead operation state for a long time, and steel lining plates are fixed block by block in a large-area overhead welding mode. The process has the obvious defects of severe overhead welding operation conditions, large influence on welding quality by the technical level of operators, easy occurrence of quality hidden troubles such as uneven welding seams and unfused welding, large field welding workload, low construction efficiency and long construction period. Disclosure of Invention The invention aims to provide an assembled steel plate suspended ceiling device and a construction method, which solve the defects in the background technology. The technical scheme is that the assembled steel plate suspended ceiling device comprises a suspension connecting piece, a first keel, a second keel and a top main body, wherein the suspension connecting piece is arranged at the top of the first keel, a screw rod part extending along the height direction of the first keel is arranged at the top end of the suspension connecting piece, the second keel is connected with the first keel in a staggered mode to form a grid-shaped structure, and the top main body is arranged in the grid-shaped structure and used for covering and sealing grid units. Preferably, the suspension connecting piece comprises a first connecting plate, a connecting column and a second connecting plate, wherein the first connecting plate and the second connecting plate are correspondingly arranged at two axial ends of the connecting column, one end of the screw rod part is fixedly connected with the first connecting plate, the top parts of the second connecting plate and the first keel are respectively provided with a first mounting hole corresponding to the positions, and a first connecting bolt for fastening the first connecting plate and the second connecting plate is arranged in the first mounting hole in a penetrating manner. Preferably, the second connecting plate is provided with a plurality of stiffening ribs, the stiffening ribs are uniformly dispersed around the circumference of the connecting column, and the side ends of the stiffening ribs are fixedly connected with the outer wall of the connecting column. Preferably, the side of first fossil fragments is equipped with the third connecting plate, the third connecting plate with the second fossil fragments syntropy extends, the third connecting plate with the long tip of second fossil fragments is equipped with the second mounting hole that the position corresponds respectively, wear to be equipped with in the second mounting hole and be used for the second connecting bolt with the two fastening. Preferably, the first keel and the second keel are respectively H-shaped steel, the third connecting plate is fixedly connected with the web plate of the first keel, two ends of the web plate of the second keel protrude out of the end parts of the wing plates of the second keel respectively along the length direction of the second keel, and the inner bottom surface of the first keel and the inner bottom surface of the second keel are positioned in the same horizontal datum plane. Preferably, the top main body comprises a suspended ceiling plate, the suspended ceiling plate is located on the inner sides of the first keels and the second keels, and the bottom ends of the suspended ceiling plate are fixedly connected with the wing plates of the first keels and the wing plates of the second keels. Preferably, the top main body comprises a plurality of third keels, the third keels extend in the same direction with the first keels, and are fixedly arranged at the top of the suspended ceiling plate. The technical scheme of the invention also comprises a construction method using the assembled steel plate suspended ceiling device, which compr