CN111851835B - Fire-fighting spray lower hanger in mineral wool board ceiling hanging mode and mounting method thereof - Google Patents
Fire-fighting spray lower hanger in mineral wool board ceiling hanging mode and mounting method thereof Download PDFInfo
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- CN111851835B CN111851835B CN202010605301.2A CN202010605301A CN111851835B CN 111851835 B CN111851835 B CN 111851835B CN 202010605301 A CN202010605301 A CN 202010605301A CN 111851835 B CN111851835 B CN 111851835B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/24—Nozzles specially adapted for fire-extinguishing attached to ladders, poles, towers, or other structures with or without rotary heads
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/006—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
- E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
- E04B9/241—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto with the slabs, panels, sheets or the like positioned on the upperside of the horizontal flanges of the supporting construction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire-fighting spray lower hanger in a suspended ceiling form of a mineral wool board and an installation method thereof. The safety is improved, the construction efficiency is improved, meanwhile, the fire sprinkler head is arranged on the same straight line, the attractiveness is improved, and later-stage splicing and allocation are facilitated.
Description
Technical Field
The invention relates to the technical field of building decoration, in particular to a fire-fighting spray lower hanger in the form of a mineral wool board ceiling and an installation method thereof.
Background
The mineral wool decorative sound absorption board is a decorative board made of mineral wool as the name suggests, and has remarkable sound absorption performance. The mineral wool sound absorption board is a green building material which is healthy, environment-friendly and recyclable. The fire sprinkler head is used for a fire sprinkler system, and when a fire disaster occurs, water is sprinkled out through the sprinkler head splashing disc to extinguish the fire and is divided into a drooping type sprinkler head, an upright type sprinkler head, a common type sprinkler head and a side wall type sprinkler head. The fire-fighting spraying system is a fire-fighting device, is a fixed fire-fighting facility with wide application, and has the characteristics of low price, high fire-fighting efficiency and the like. The device can be divided into two forms of manual control and automatic control according to different functions. The system is provided with the alarm device, can automatically send out an alarm when a fire disaster occurs, and the automatically controlled fire-fighting spraying system can automatically spray and work in linkage with other fire-fighting facilities, so that the initial fire disaster can be effectively controlled and extinguished.
Among the prior art, use the mineral wool board to decorate the in-process, need use the fire sprinkler head to be equipped with fire extinguishing system, because the difference of construction order when general fire sprinkler head installs, generally all rely on construction experience to install, lead to the installation back fire sprinkler head not to be in a straight line easily, it is not pleasing to the eye enough, the scope of every fire sprinkler head all is fixed simultaneously, do not lead to the irrecoverable loss that the fire control effect is unsatisfactory to arouse on a straight line easily, influence the fire control effect, there is very big potential safety hazard.
Disclosure of Invention
In order to solve the problems in the background technology, the invention aims to provide a fire sprinkler lower hanger in the form of a mineral wool board ceiling and an installation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a fire-fighting spray lower hanger in a ceiling form of a mineral wool board comprises a connecting piece, a keel, the mineral wool board, a receiving board and a clamping piece, wherein the receiving board is arranged on the lower end face of the mineral wool board, the keel is arranged on the upper end face of the receiving board, the clamping piece is arranged on the upper end face of the keel, the connecting piece is arranged on the upper end face of the clamping piece, an inserting rod is connected to the upper end face of the keel, a supporting frame is connected to the upper end face of the inserting rod, a butt joint seat is connected to the right end face of the supporting frame, a positioning rod is arranged on the lower end face of the butt joint seat, a motor is arranged on the lower end face of the positioning rod, a rotating shaft is connected to the right side of the motor, a worm wheel is arranged on the annular side face of the rotating shaft, a worm is meshed with a worm, an anti-falling board is sleeved on the annular side face of the worm, a rotating ball is connected to the lower end face of the rotating ball, a fire-fighting spray head is arranged on the annular side face of the rotating ball, the ball is installed to the tip face under the collar, the roating sphere outside is provided with the mount pad, the jib is installed to the mount pad up end, the fixed block is installed to the jib up end.
As a further scheme of the invention: the keel is internally provided with a positioning hole, the inserted bar is in clearance fit with the positioning hole, the lower side of the inserted bar is provided with a limiting plate, and the specification of the limiting plate is larger than that of the positioning hole.
As a still further scheme of the invention: the left side and the right side of the butt joint seat are symmetrically provided with butt joints, the lower end face of the butt joint seat is provided with the butt joints, and the support frame and the positioning rod are respectively matched with the butt joints.
As a still further scheme of the invention: the mineral wool board is internally provided with a mounting groove which is matched with the mounting seat, the mineral wool board is internally provided with a jack, the jack is matched with the hanging rod, and the specification of the fixing block is greater than that of the jack.
As a still further scheme of the invention: the mounting seat is internally provided with a movable groove, the end face of the lower end of the movable groove is of an arc-shaped structure, rolling grooves are formed in two sides of the movable groove, and the rolling grooves are of a wave structure.
As a still further scheme of the invention: the bottom of the clamping piece is fixedly connected with a mineral wool board through a bolt.
As a still further scheme of the invention: the positioning rods are arranged in two groups, the specifications of the two groups of positioning rods are the same, the specifications of the two groups of butt joint seats are the same, and the two groups of positioning rods are connected with the inserted rod in a three-point mode through a straight line.
As a still further scheme of the invention: the mineral wool board is provided with two sets ofly, two sets of the mineral wool board specification is the same, and is two sets of the mineral wool board is through accepting the board and connecting.
As a still further scheme of the invention: the motor is connected with an external power supply through a lead.
The invention also provides a fire-fighting spray lower-hanging installation method in the form of the mineral wool board ceiling, which comprises the following steps:
s1, surveying the site, selecting a mounting position, and erecting a keel;
s2, forming a mounting groove, erecting a support frame, and taking the mounting groove and the positioning groove on the same straight line;
s3, mounting mineral wool boards on the keels, and fixing the mineral wool boards by using the clamping pieces to fix the two groups of mineral wool boards on the keels;
s4, determining the positions of the two groups of motors through the support frame, keeping the straight line, and inserting the mounting seat into the mounting groove for fixing the point;
s5, mounting the fire sprinkler head on the mounting seat;
and S6, repeating the steps S1-S5 until the installation is finished.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the positioning hole is formed in the keel, the insertion rod is in clearance fit with the positioning hole, the limiting plate is arranged on the lower side of the insertion rod, the specification of the limiting plate is larger than that of the positioning hole, the positioning hole facilitates the installation of the insertion rod, so that the insertion rod is installed on the keel, the installation is convenient, and meanwhile, the later-stage splicing and the allocation are convenient;
2. the left side and the right side of the butt joint seat are symmetrically provided with the butt joint ports, the lower end face of the butt joint seat is provided with the butt joint ports, the support frame and the positioning rod are respectively matched with the butt joint ports, the butt joint ports facilitate the installation of the support frame, the installation of the positioning rod is facilitated, the later-stage assembling and positioning are facilitated, and the offset of the installation position of the subsequent fire sprinkler head is prevented;
3. the positioning rods are arranged in two groups, the specifications of the two groups of positioning rods are the same, the specifications of the two groups of butt joint seats are the same, the two groups of positioning rods and the inserted rod are connected in a straight line in a three-point mode, and the positioning rods and the inserted rod can keep a plurality of groups of fire-fighting spray headers arranged on the straight line, so that the appearance is kept.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is a front sectional view of the mineral wool board of the present invention;
fig. 4 is an enlarged view of the invention at B in fig. 3.
In the figure: 1. a support frame; 2. a connecting member; 3. a docking station; 4. a keel; 5. positioning a rod; 6. a mineral wool board; 7. a clamping piece; 8. a bearing plate; 9. inserting a rod; 10. a motor; 11. a worm; 12. a rotating shaft; 13. an anti-drop plate; 14. a fire sprinkler head; 15. a worm gear; 16. a mounting seat; 17. a boom; 18. a fixed block; 19. rotating the ball; 20. a ball bearing; 21. and (7) installing a ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings
Example 1
Referring to fig. 1 to 4, in the embodiment of the invention, a mineral wool board ceiling type fire-fighting spray lower hanger comprises a connecting piece 2, a keel 4, a mineral wool board 6, a bearing board 8 and a clamping piece 7, wherein the lower end surface of the mineral wool board 6 is provided with the bearing board 8, the upper end surface of the bearing board 8 is provided with the keel 4, the upper end surface of the keel 4 is provided with the clamping piece 7, the upper end surface of the clamping piece 7 is provided with the connecting piece 2, the upper end surface of the keel 4 is connected with an inserting rod 9, the upper end surface of the inserting rod 9 is connected with a supporting frame 1, the right end surface of the supporting frame 1 is connected with a butt-joint seat 3, the lower end surface of the butt-joint seat 3 is provided with a positioning rod 5, the lower end surface of the positioning rod 5 is provided with a motor 10, the right side of the motor 10 is connected with a rotating shaft 12, the annular side surface of the rotating shaft 12 is provided with a worm wheel 15, the annular side surface of the worm wheel 15 is engaged with a worm 11, the annular side surface of the worm 11 is sleeved with an anti-falling board 13, the lower end surface of the worm 11 is connected with a rotating ball 19, the lower end face of the rotating ball 19 is connected with a fire sprinkler head 14, the annular side face of the rotating ball 19 is provided with an installation ring 21, the lower end face of the installation ring 21 is provided with a ball 20, the outer side of the rotating ball 19 is provided with an installation seat 16, the upper end face of the installation seat 16 is provided with a suspender 17, and the upper end face of the suspender 17 is provided with a fixed block 18.
Referring to fig. 1, a positioning hole is formed in the keel 4, the insertion rod 9 is in clearance fit with the positioning hole, a limiting plate is arranged on the lower side of the insertion rod 9, the specification of the limiting plate is larger than that of the positioning hole, the positioning hole facilitates installation of the insertion rod 9, and the insertion rod 9 is installed on the keel 4 and is convenient to install.
Referring to fig. 1, the butt joint mouth has been seted up to 3 left and right sides symmetries of butt joint seat, and the butt joint mouth has been seted up to 3 terminal surfaces down of butt joint seat, and support frame 1 and locating lever 5 respectively with the butt joint mouth phase-match, make things convenient for the installation of support frame 1 to the butt joint mouth, make things convenient for the installation of locating lever 5 simultaneously, make things convenient for the later stage to assemble the location, prevent that skew from appearing in follow-up fire sprinkler 14 mounted position.
Referring to fig. 3 and 4, the mineral wool board 6 is internally provided with a mounting groove, the mounting groove is matched with the mounting seat 16, the mineral wool board 6 is internally provided with a jack, the jack is matched with the suspender 17, the specification of the fixing block 18 is larger than that of the jack, the mounting groove facilitates the installation of the mounting seat 16, the inserting rod 9 facilitates the installation of the suspender 17, and the mounting seat 16 is hoisted on the mineral wool board 6 through the suspender 17.
Referring to fig. 3 and 4, a movable groove is formed in the mounting seat 16, the lower end surface of the movable groove is of an arc-shaped structure, rolling grooves are formed in two sides of the movable groove and are of a wave structure, the movable groove and the rolling grooves facilitate installation and rotation of the rotating ball 19 and the rolling ball 20, the rotating ball 19 is convenient to move, and therefore the direction of the fire sprinkler head 14 is adjusted.
Referring to fig. 1, the bottom of the clamping member 7 is fixedly connected with a mineral wool board 6 through a bolt, which facilitates the clamping member 7 to be fixed on the mineral wool board 6, and the mineral wool board 6 is fixed on the keel 4.
Referring to fig. 1, the positioning rods 5 are provided with two groups, the specifications of the two groups of positioning rods 5 are the same, the specifications of the two groups of docking seats 3 are the same, the two groups of positioning rods 5 are connected with the inserting rod 9 through three points to form a straight line, and the positioning rods 5 and the inserting rod 9 can keep a plurality of groups of fire-fighting spray heads 14 installed on the straight line to keep attractive appearance.
Referring to fig. 1, the mineral wool board 6 is provided with two sets, the specifications of the two sets of mineral wool boards 6 are the same, the two sets of mineral wool boards 6 are connected through the receiving board 8, and the two sets of mineral wool boards 6 can be fixedly installed by matching the keel 4 with the receiving board 8.
Referring to fig. 1 and 2, the motor 10 is connected to an external power source through a wire, and the external power source provides electric energy to the motor 10.
The working principle of the embodiment of the invention is as follows: firstly, a mineral wool plate 6 is fixed on a keel 4 through a clamping piece 7, then an inserting rod 9 is inserted into a positioning hole, then a support frame 1 is inserted on the inserting rod 9, a positioning rod 5 is connected with the support frame 1 through a butt joint seat 3, at the moment, a motor 10 is arranged at the lower side of the positioning rod 5, a mounting groove is arranged in the mineral wool plate 6, a mounting seat 16 and a suspender 17 are arranged in the mounting groove, the suspender 17 is fixed through a fixing block 18, an anti-dropping plate 13 is sleeved on a worm 11, at the moment, the motor 10 is connected with an external power supply through a wire, the motor 10 receives electric energy to start working to drive a rotating shaft 12 to rotate, the rotating shaft 12 drives a worm wheel 15 to rotate through the worm 11, the worm wheel 15 drives a rotating ball 19 to rotate in the mounting seat 16 through a ball 20, the rotating ball 19 drives a fire sprinkler head 14 to rotate, the spraying range is increased after the fire sprinkler head 14 rotates, and the use is more convenient, the installation is more convenient, and the adjustment is nimble.
Example 2
The invention also provides a fire-fighting spray lower-hanging installation method in the form of the mineral wool board ceiling, which comprises the following steps:
s1, surveying the site, selecting a mounting position, and erecting a keel 4;
s2, forming a mounting groove, erecting the support frame 1, and taking the mounting groove and the mounting ring 21 on the same straight line;
s3, installing the mineral wool boards 6 on the keels 4, and fixing the mineral wool boards by using the clamping pieces 7 to fix the mineral wool boards 6 on the keels 4;
s4, determining the positions of the two groups of motors 10 through the support frame 1, keeping the straight line, and inserting the mounting seat 16 into the mounting groove for fixing the point;
s5, next, installing the fire sprinkler head 14 on the installation seat 16;
and S6, repeating the steps S1-S5 until the installation is finished.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (6)
1. The utility model provides a fire sprinkler hangs down under mineral wool board furred ceiling form, includes connecting piece (2), fossil fragments (4), mineral wool board (6), accepts board (8) and joint spare (7), its characterized in that, the terminal surface is provided with and accepts board (8) under mineral wool board (6), it installs fossil fragments (4) to accept board (8) up end, joint spare (7) are installed to fossil fragments (4) up end, connecting piece (2) are installed to joint spare (7) up end, fossil fragments (4) up end is connected with inserted bar (9), inserted bar (9) up end is connected with support frame (1), support frame (1) right-hand member face is connected with butt joint seat (3), terminal surface installs locating lever (5) under butt joint seat (3), terminal surface installs motor (10) under locating lever (5), motor (10) right side is connected with axis of rotation (12), the fire-fighting water-saving device is characterized in that a worm wheel (15) is mounted on the annular side face of the rotating shaft (12), a worm (11) is meshed with the annular side face of the worm wheel (15), an anti-dropping plate (13) is sleeved on the annular side face of the worm (11), a rotating ball (19) is connected to the lower end face of the worm (11), a fire-fighting spray head (14) is connected to the lower end face of the rotating ball (19), a mounting ring (21) is mounted on the annular side face of the rotating ball (19), a ball (20) is mounted on the lower end face of the mounting ring (21), a mounting seat (16) is arranged on the outer side of the rotating ball (19), a hanging rod (17) is mounted on the upper end face of the mounting seat (16), and a fixing block (18) is mounted on the upper end face of the hanging rod (17);
the mineral wool board (6) is internally provided with a mounting groove, the mounting groove is matched with the mounting seat (16), the mineral wool board (6) is internally provided with a jack, the jack is matched with the suspender (17), the specification of the fixed block (18) is greater than that of the jack, the mounting seat (16) is internally provided with a movable groove, the lower end surface of the movable groove is of an arc structure, rolling grooves are arranged on two sides of the movable groove, and the rolling grooves are of a wave structure;
the left side and the right side of the butt joint seat (3) are symmetrically provided with butt joints, the lower end face of the butt joint seat (3) is provided with the butt joints, and the support frame (1) and the positioning rod (5) are respectively matched with the butt joints;
the positioning rods (5) are arranged in two groups, the specifications of the two groups of positioning rods (5) are the same, the two groups of butt joint seats (3) are arranged in two groups, the specifications of the two groups of butt joint seats (3) are the same, and the two groups of positioning rods (5) and the inserting rod (9) are connected into a straight line in a three-point connection mode.
2. The mineral wool board suspended ceiling type fire sprinkler bottom hanger is characterized in that a positioning hole is formed in the keel (4), the inserting rod (9) is in clearance fit with the positioning hole, a limiting plate is arranged on the lower side of the inserting rod (9), and the size of the limiting plate is larger than that of the positioning hole.
3. A mineral wool board suspended ceiling type fire sprinkler bottom hanger according to claim 1, characterized in that the bottom of the snap-in piece (7) is fixedly connected with the mineral wool board (6) by means of bolts.
4. A mineral wool board suspended ceiling type fire sprinkler bottom hanger according to claim 1, characterized in that the mineral wool boards (6) are provided in two groups, the mineral wool boards (6) in the two groups being of the same size, the mineral wool boards (6) in the two groups being connected by a receiving board (8).
5. A mineral wool panel suspended ceiling type fire sprinkler bottom hanger as claimed in claim 1, wherein the motor (10) is connected to an external power source by means of a wire.
6. A method of installing a mineral wool panel suspended ceiling type fire sprinkler for installing a mineral wool panel suspended ceiling type fire sprinkler according to any one of claims 1-5, comprising the steps of:
s1, surveying the site, selecting a mounting position, and erecting a keel (4);
s2, forming a mounting groove, erecting a support frame (1), and taking the mounting groove and the mounting ring (21) on the same straight line;
s3, installing mineral wool boards (6) on the keels (4), and fixing the mineral wool boards by using the clamping pieces (7) to fix the mineral wool boards on the keels (4);
s4, determining the positions of the two groups of motors (10) through the support frame (1), keeping the straight line, and inserting the mounting seat (16) into the mounting groove for fixing the point;
s5, next, installing the fire sprinkler head (14) on the installation base (16);
and S6, repeating the steps S1-S5 until the installation is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605301.2A CN111851835B (en) | 2020-06-29 | 2020-06-29 | Fire-fighting spray lower hanger in mineral wool board ceiling hanging mode and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010605301.2A CN111851835B (en) | 2020-06-29 | 2020-06-29 | Fire-fighting spray lower hanger in mineral wool board ceiling hanging mode and mounting method thereof |
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| Publication Number | Publication Date |
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| CN111851835A CN111851835A (en) | 2020-10-30 |
| CN111851835B true CN111851835B (en) | 2022-05-03 |
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| CN202010605301.2A Active CN111851835B (en) | 2020-06-29 | 2020-06-29 | Fire-fighting spray lower hanger in mineral wool board ceiling hanging mode and mounting method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117605214B (en) * | 2024-01-22 | 2024-04-05 | 四川省材科院消防科技有限公司 | Fire-fighting suspended ceiling and installation method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3985068A (en) * | 1975-06-10 | 1976-10-12 | Carrier Corporation | Mounting assembly for air conditioning terminals |
| CN100398168C (en) * | 2002-02-05 | 2008-07-02 | 沈阳市通适达自动灭火技术有限公司 | Stereo fog-spraying fire extinguishing system |
| GB2421070B (en) * | 2005-01-27 | 2007-01-10 | Rd Europe Ltd | Fire-resistant cover for lighting fitting |
| CN101831979A (en) * | 2009-12-25 | 2010-09-15 | 江苏华浠新型建材有限公司 | T-shaped connector of T-shaped aggregate drop ceiling |
| CN103321336A (en) * | 2013-06-21 | 2013-09-25 | 江苏华顶建设工程股份有限公司 | Long-span suspended ceiling framework |
| CN204435644U (en) * | 2014-12-19 | 2015-07-01 | 深圳市晶宫设计装饰工程有限公司 | Height Adjustable furred ceiling |
| CN110496353A (en) * | 2018-05-16 | 2019-11-26 | 江苏海祥消防科技有限公司 | A kind of applicator bracket of quick connection installation |
| CN208347103U (en) * | 2018-06-28 | 2019-01-08 | 湖北晟弘建设工程有限公司 | A kind of hanging rod structure convenient for the installation of cast-in-situ floor steel joist suspended ceiling |
| CN208803868U (en) * | 2018-08-22 | 2019-04-30 | 艾国平 | A kind of tunnel dust-extraction unit of high-efficiency environment friendly |
| CN208975033U (en) * | 2018-09-26 | 2019-06-14 | 天津零距科技有限公司 | A kind of external wall of building fire plant |
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2020
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