CN112411841A - Light steel superstructure system for assembly type structure - Google Patents
Light steel superstructure system for assembly type structure Download PDFInfo
- Publication number
- CN112411841A CN112411841A CN202011211731.2A CN202011211731A CN112411841A CN 112411841 A CN112411841 A CN 112411841A CN 202011211731 A CN202011211731 A CN 202011211731A CN 112411841 A CN112411841 A CN 112411841A
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- China
- Prior art keywords
- light steel
- welded
- plate
- steel
- floor system
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Classifications
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/72—Pest control
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/08—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of metal, e.g. sheet metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
Abstract
The invention belongs to the technical field of assembly type buildings, in particular to a light steel floor system for an assembly type building, aiming at the problems that the connection strength between components in the existing light steel floor system for the assembly type building is not high, the technical problem of poor fixing effect is solved by the aid of the steel plate base, three side sleeves are welded at two opposite side edges of the upper end of the steel plate base, a light steel pressing plate is arranged on the inner side of each three side sleeve, an extension spring is fixedly connected between each light steel pressing plate and each three side sleeve, an adjusting bolt is in threaded connection with each three side sleeve, a second sinking groove and a first sinking groove are formed in the upper end and the lower end of the steel plate base respectively, a rotary limiting part is rotatably connected in each second sinking groove, and a rotary positioning part is connected in each first sinking groove. The invention can realize the stable fixation of the component, has good fixation and is convenient for disassembly operation.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a light steel floor system for an assembly type building.
Background
The fabricated building refers to a building fabricated by assembling prefabricated parts on a construction site, and is called as a fabricated building. The building block is divided into five types, namely a block building, a plate building, a box building, a framework plate building, a rising-rise building and the like according to the form and the construction method of the prefabricated part. With the development of modern industrial technology, building houses can be manufactured in batches and sets like machine production. The prefabricated house components are transported to a construction site to be assembled. Fabricated buildings have become of interest since the beginning of the 20 th century and have been realized through the sixties. The first attempts made in English, French, Soviet Union, etc. The assembly type building has high construction speed and low production cost, and is rapidly popularized and developed all over the world. Early fabricated buildings were rather rigid and uniform in appearance. Later improvements in design have resulted in increased flexibility and versatility to allow modular construction not only in batch, but also in a wide variety of styles. The floor system is a whole member for floor separation, including a plate, a beam and a whole name of a structural layer on the upper surface and the lower surface, and plays an important role in building.
To the light steel superstructure system structure that traditional assembly type structure used not firm enough, vertical bearing capacity is relatively poor, makes the structure unstable and the prefab that adopts more when bearing heavier object on the floor easily, and assembly speed is slow, the lower problem of assembly efficiency, chinese patent grant No. CN210976248U discloses a light steel superstructure system of assembly type structure, including the bed plate, the top fixedly connected with minor edge beam of bed plate, the top fixedly connected with long boundary beam of bed plate, one side threaded connection of long boundary beam has fixing bolt, fixing bolt threaded connection has the fixed plate, one side fixedly connected with long centre sill of fixed plate. Through the matched arrangement of the base plate, the short edge beam, the long edge beam, the fixing plate, the long middle beam, the fixture block, the round head, the disc and the short middle beam, the structure of the floor system can be more stable, and the problem of poor vertical bearing capacity in the prior art is solved; through the cooperation setting of bed plate, short boundary beam, long boundary beam, fixing bolt, fixed plate, long centre sill, notch, fixture block, cushion and supporting shoe, can make the faster assembly of superstructure system accomplish, solved the condition that current assembly efficiency is low.
However, the above-described prefabricated building light steel floor system is not high in connection strength between members, and the members inserted into the side sill have different sizes, so that when the members are reinforced only by the screws, the contact area between the inserted members and the screws is very small, and the screws are easily forced to be inserted into the members, thereby being poor in fixing function.
Disclosure of Invention
The invention provides a light steel floor system for an assembly type building, which is based on the technical problems that the connecting strength between components in the existing light steel floor system for the assembly type building is not high, the sizes of the components inserted into side beams are different, when the components are reinforced by screws, the contact area between the inserted components and the screws is extremely small, the screws are easily stressed and embedded into the components, and the fixing action is poor.
The invention provides a light steel floor system for an assembly type building, which comprises a steel plate base, wherein a reinforcing plate is welded in the middle of the upper end of the steel plate base, supporting plates are welded between two side ends of the reinforcing plate and the steel plate base, foot steel sleeves are welded at four corners of the lower end of the steel plate base, three-side edge sleeves are welded at the two opposite side edges of the upper end of the steel plate base, light steel pressing plates are arranged inside the three-side edge sleeves, an extension spring is fixedly connected between the light steel pressure plate and the three-side sleeve, the three-side sleeve is in threaded connection with an adjusting bolt, the upper end and the lower end of the steel plate base are respectively provided with a second sinking groove and a first sinking groove, the second sinking groove is rotatably connected with a rotary limiting part, and a rotary positioning part is connected in the first sinking groove, penetrates through the steel plate base and is fixedly connected with the rotary limiting part.
Preferably, the supporting plate, the reinforcing plate and the steel plate base form a triangle.
Preferably, the light steel pressing plate is welded with a guide post on the end face far away from the steel plate base, and a sliding hole matched with the guide post is formed in the three-side edge sleeve.
Preferably, the end part of the guide column, which is far away from the steel plate base, is welded with a limiting cap.
Preferably, the rotational positioning part is including rotating post, dead lever, one-way stopper and second compression spring, the dead lever welds in rotating the post lower extreme, the heavy groove phase-match of post and second rotates, it is provided with and accomodates the groove with one-way stopper assorted to rotate the post upper end, one-way stopper passes through second compression spring and accomodates inslot bottom fixed connection.
Preferably, the rotation type spacing part includes twist grip, fixed sleeve pipe, inserted bar and first compression spring, twist grip welds in the dead lever lower extreme, fixed sleeve pipe welds in the twist grip side, the inserted bar is located fixed sleeve pipe inboard and through first compression spring and twist grip fixed connection, first heavy inslot wall is provided with a pair ofly and inserted bar assorted spacing groove.
Preferably, the inserted link faces to one side of the cambered surface far away from the one-way limiting block, and a driving lever is welded at the lower end of the inserted link.
Preferably, the side end of the light steel pressing plate is connected with a sealing plate through a torsion spring, and the lower end of the light steel pressing plate is provided with a groove matched with the sealing plate.
Preferably, the lower end of the light steel pressing plate is subjected to galling and roughening treatment.
The beneficial effects of the invention are as follows:
1. this light steel superstructure system for assembly type structure through set up light steel clamp plate in trilateral limit cover inboard to fixed connection extension spring between light steel clamp plate and trilateral limit cover, and sheathe threaded connection adjusting bolt in trilateral limit, inserts the component after, screws up adjusting bolt, and adjusting bolt extrudees light steel clamp plate downwards, makes light steel clamp plate tightly extrude the component, realizes the stable fixed of component.
2. This light steel superstructure system for assembly type structure, through the rotation type spacing part that the position that is located trilateral limit cover inboard at the steel sheet base set up, the cambered surface of one-way stopper of component extrusion to insert smoothly between trilateral limit cover and the steel sheet base, one-way stopper resets the card in the recess under second compression spring's effect, and is spacing to the component, makes the component can't outwards extract.
3. This light steel superstructure system for assembly type structure, through the rotational positioning part that sets up, make things convenient for the nimble of component to dismantle, only need catch on the driving lever with the finger for the inserted bar breaks away from the spacing groove at place under, rotates the release driving lever behind the twist grip one hundred eighty degrees after that, and the inserted bar resets under first compression spring's effect and inserts in another spacing groove, unscrews adjusting bolt again, and the component surface is kept away from to light steel clamp plate under extension spring's effort, and it can outwards to take out the component this moment.
4. This light steel superstructure system for assembly type structure through sealing the board at light steel clamp plate side through torsional spring connection, is provided with and seals board assorted recess at light steel clamp plate lower extreme, seals the board and can keep off the port department at trilateral limit cover under the effort of torsional spring during stacking, prevents effectively that external worm class or impurity from getting into trilateral limit cover and causing the pollution.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the light steel pressing plate is arranged on the inner side of the three-side edge sleeve, so that the light steel pressing plate can tightly press the component after the component is inserted, and the stable fixation of the component is realized; through the rotation type spacing part and the rotational positioning part that set up, during the installation, can carry on spacingly to the component for the component can't outwards be extracted, and the fixity is good, convenient to detach operation simultaneously.
Drawings
FIG. 1 is a schematic top view of a light steel floor system for a prefabricated building according to the present invention;
FIG. 2 is a schematic bottom view of a light steel floor system for a prefabricated building according to the present invention;
FIG. 3 is a schematic structural diagram of a sinking groove of a light steel floor system for an assembly type building according to the present invention;
FIG. 4 is a schematic structural view of a rotary limiting component and a rotary positioning component of a light steel floor system for an assembly type building according to the present invention;
FIG. 5 is a schematic structural diagram of a light steel floor system for an assembly building at a side view angle of a sealing plate;
fig. 6 is a schematic structural diagram of a light steel floor system for an assembly building at another side view angle of a sealing plate.
In the figure: the steel plate fixing device comprises a steel plate base 1, a reinforcing plate 2, a supporting plate 3, a 4-pin steel sleeve, a three-side edge sleeve 5, a light steel pressing plate 6, a limiting cap 7, an extension spring 8, a sealing plate 9, a torsion spring 10, a groove 11, an adjusting bolt 12, a first sinking groove 13, a second sinking groove 14, a rotating column 15, an inserting rod 16, a fixing rod 17, a rotating handle 18, a fixing sleeve 19, a first compression spring 20, a shifting rod 21, a containing groove 22, a second compression spring 23 and a one-way limiting block 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-6, a light steel floor system for assembly type building, including steel plate base 1, the welding of 1 upper end middle part of steel plate base has gusset plate 2, the welding has backup pad 3 between 2 both sides of gusset plate and the steel plate base 1, 1 lower extreme four corners department of steel plate base has foot steel bushing 4, 1 upper end relative both sides edge of steel plate base has all welded trilateral side cover 5, trilateral side cover 5 inboard is provided with light steel clamp plate 6, fixedly connected with extension spring 8 between light steel clamp plate 6 and the trilateral side cover 5, threaded connection has adjusting bolt 12 on the trilateral side cover 5, 1 upper and lower both ends of steel plate base are provided with second heavy groove 14 and first heavy groove 13 respectively, rotate in the second heavy groove 14 and be connected with the rotation type spacing part, be connected with the rotation type positioning part in the first heavy groove 13, the rotation type positioning part runs through steel plate base 1 and is fixed connection with the rotation type spacing.
According to the invention, the supporting plate 3, the reinforcing plate 2 and the steel plate base 1 form a triangle, so that the supporting strength and stability of the steel plate base 1 are improved, and the steel plate base is not easy to deform under stress.
The end face, far away from the steel plate base 1, of the light steel pressing plate 6 is welded with the guide post, the three-side edge sleeve 5 is provided with a sliding hole matched with the guide post, the light steel pressing plate 6 is prevented from shifting under the friction action of a component when the component is inserted, and therefore the tension spring 8 is prevented from deforming under the force in the non-working direction.
Wherein, the tip welding that the guide post is kept away from steel sheet base 1 has spacing cap 7, prevents that the guide post from breaking away from the slide opening.
Wherein, the rotary positioning part comprises a rotary column 15, a fixed rod 17, a one-way limiting block 24 and a second compression spring 23, the fixed rod 17 is welded at the lower end of the rotary column 15, the rotary column 15 is matched with the second sinking groove 14, the upper end of the rotary column 15 is provided with a containing groove 22 matched with the one-way limiting block 24, the one-way limiting block 24 is fixedly connected with the inner bottom end of the containing groove 22 through the second compression spring 23, when in installation, a component with a groove at the lower end is inserted from one end of the three-side edge sleeve 5, the component extrudes the cambered surface of the one-way limiting block 24 so as to be smoothly inserted between the three-side edge sleeve 5 and the steel plate base 1, the one-way limiting block 24 is reset and clamped in the groove under the action of the second compression spring 23 so as to limit the component, the component can not be pulled out outwards, after the required length is inserted, the adjusting bolt 12 is screwed, stable fixation of the component is achieved.
Wherein, the rotation type position limiting component includes a rotation handle 18, a fixed sleeve 19, an inserted link 16 and a first compression spring 20, the rotation handle 18 is welded at the lower end of a fixed rod 17, the fixed sleeve 19 is welded at the side end of the rotation handle 18, the inserted link 16 is positioned at the inner side of the fixed sleeve 19 and is fixedly connected with the rotation handle 18 through the first compression spring 20, the inner wall of a first sinking groove 13 is provided with a pair of limiting grooves matched with the inserted link 16, the inserted link 16 faces to one side of the cambered surface far away from a one-way limiting block 24, and the lower end of the inserted link 16 is welded with a deflector rod 21, when disassembly is needed, an operator can hold the rotation handle 18 and hook the deflector rod 21 with fingers, the deflector rod 21 drives the inserted link 16 to extrude the first compression spring 20, so that the inserted link 16 is separated from the limiting groove at the lower part, then the rotation handle 18 rotates, the rotation handle 18 drives, at the moment, the shift lever 21 is released, the inserted link 16 is reset and inserted into another limiting groove under the action of the first compression spring 20, the adjusting bolt 12 is unscrewed, and the light steel pressure plate 6 is far away from the surface of the component under the action of the tension spring 8 and is pulled out of the component.
The lower end of the light steel pressing plate 6 is roughened by galling, so that the friction force between the light steel pressing plate and the inserting and placing component is increased, and the light steel pressing plate is not easy to slide relatively in a fixed state.
The working principle is as follows: during installation, an operator inserts a component with a groove at the lower end into the three-side sleeve 5 from one end, the component extrudes the cambered surface of the one-way limiting block 24 so as to be smoothly inserted between the three-side sleeve 5 and the steel plate base 1, the one-way limiting block 24 is reset and clamped in the groove under the action of the second compression spring 23 so as to limit the component, the component cannot be pulled out outwards, after the required length is inserted, the adjusting bolt 12 is screwed, the adjusting bolt 12 extrudes the light steel pressing plate 6 downwards, and the light steel pressing plate 6 tightly extrudes the component, so that the component is stably fixed; when the disassembly is needed, an operator can hold the rotating handle 18, hook the shifting rod 21 by fingers, the shifting rod 21 drives the inserting rod 16 to extrude the first compression spring 20, so that the inserting rod 16 is separated from a limiting groove where the inserting rod is located, then rotate the rotating handle 18, the rotating handle 18 drives the one-way limiting block 24 to rotate by one hundred eighty degrees through the fixed rod 17 and the rotating column 15, the shifting rod 21 is loosened at the moment, the inserting rod 16 is reset and inserted into another limiting groove under the action of the first compression spring 20, the adjusting bolt 12 is unscrewed, the light steel pressing plate 6 is far away from the surface of a component under the action of the extension spring 8, and the component is pulled outwards at the moment.
Example 2
Referring to fig. 1-2 and 5-6, in this embodiment, compared with embodiment 1, a sealing plate 9 is connected to a side end of a light steel pressing plate 6 through a torsion spring 10, a groove 11 matched with the sealing plate 9 is formed in a lower end of the light steel pressing plate 6, and the sealing plate 9 can be blocked at a port of the three-side edge sleeve 5 under the action of the torsion spring 10 during stacking, so that external insects or impurities are effectively prevented from entering the three-side edge sleeve 5 to cause pollution.
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 should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The light steel floor system for the fabricated building comprises a steel plate base (1) and is characterized in that a reinforcing plate (2) is welded in the middle of the upper end of the steel plate base (1), a supporting plate (3) is welded between two side ends of the reinforcing plate (2) and the steel plate base (1), foot steel sleeves (4) are welded at four corners of the lower end of the steel plate base (1), three side sleeves (5) are welded at two opposite side edges of the upper end of the steel plate base (1), a light steel pressing plate (6) is arranged on the inner side of each three side sleeve (5), a tension spring (8) is fixedly connected between each light steel pressing plate (6) and each three side sleeve (5), an adjusting bolt (12) is in threaded connection with each three side sleeve (5), a second sinking groove (14) and a first sinking groove (13) are respectively arranged at the upper end and the lower end of the steel plate base (1), and a rotary limiting component is rotatably connected in each second sinking groove (14), and a rotary positioning part is connected in the first sinking groove (13), penetrates through the steel plate base (1) and is fixedly connected with the rotary limiting part.
2. The light steel floor system for the fabricated building according to claim 1, wherein the support plate (3), the reinforcing plate (2) and the steel plate base (1) form a triangle therebetween.
3. The light steel floor system for the fabricated building as claimed in claim 1, wherein the light steel pressure plate (6) is welded with a guide post at the end face far away from the steel plate base (1), and the three-sided sleeve (5) is provided with a sliding hole matched with the guide post.
4. The light steel floor system for prefabricated buildings according to claim 3, characterized in that the end of the guide column far away from the steel plate base (1) is welded with a limit cap (7).
5. The light steel floor system for the fabricated building as claimed in claim 1, wherein the rotation positioning component comprises a rotation column (15), a fixing rod (17), a one-way stopper (24) and a second compression spring (23), the fixing rod (17) is welded at the lower end of the rotation column (15), the rotation column (15) is matched with the second sinking groove (14), the upper end of the rotation column (15) is provided with a receiving groove (22) matched with the one-way stopper (24), and the one-way stopper (24) is fixedly connected with the inner bottom end of the receiving groove (22) through the second compression spring (23).
6. The light steel floor system for the fabricated building as claimed in claim 5, wherein the rotary limiting component comprises a rotary handle (18), a fixing sleeve (19), an inserting rod (16) and a first compression spring (20), the rotary handle (18) is welded at the lower end of the fixing rod (17), the fixing sleeve (19) is welded at the side end of the rotary handle (18), the inserting rod (16) is located at the inner side of the fixing sleeve (19) and is fixedly connected with the rotary handle (18) through the first compression spring (20), and a pair of limiting grooves matched with the inserting rod (16) is arranged on the inner wall of the first sinking groove (13).
7. The light steel floor system for the fabricated building as claimed in claim 6, wherein the inserted rod (16) faces to a side of the cambered surface far away from the one-way limiting block (24), and a driving lever (21) is welded at the lower end of the inserted rod (16).
8. The light steel floor system for the fabricated building as claimed in claim 1, wherein a sealing plate (9) is connected to the side end of the light steel pressing plate (6) through a torsion spring (10), and a groove (11) matched with the sealing plate (9) is formed at the lower end of the light steel pressing plate (6).
9. The light steel floor system for the prefabricated building according to any one of claims 1 to 8, wherein the lower end of the light steel pressure plate (6) is roughened by galling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211731.2A CN112411841B (en) | 2020-11-03 | 2020-11-03 | Light steel superstructure system for assembly type structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211731.2A CN112411841B (en) | 2020-11-03 | 2020-11-03 | Light steel superstructure system for assembly type structure |
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| Publication Number | Publication Date |
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| CN112411841A true CN112411841A (en) | 2021-02-26 |
| CN112411841B CN112411841B (en) | 2021-11-23 |
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| CN202011211731.2A Active CN112411841B (en) | 2020-11-03 | 2020-11-03 | Light steel superstructure system for assembly type structure |
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| TW201432117A (en) * | 2013-02-04 | 2014-08-16 | ying-jun Xie | Lightweight composite floor |
| CN208235768U (en) * | 2018-04-03 | 2018-12-14 | 临沂大学 | A kind of assembled architecture floor system |
| CN109555251A (en) * | 2018-11-17 | 2019-04-02 | 万正河 | It is a kind of to build prefabricated plate and its construction installation method |
| WO2019126529A1 (en) * | 2017-12-22 | 2019-06-27 | Verco Decking, Inc. | Decking hanger system and decking hanger |
| CN209211731U (en) * | 2018-11-15 | 2019-08-06 | 江西恒兴钢结构工程有限公司 | A kind of light-duty composite floor of assembling type steel structure |
| CN210263612U (en) * | 2019-06-20 | 2020-04-07 | 四川省劲腾环保建材有限公司 | Profiled steel sheet based on BIM |
| CN210827999U (en) * | 2019-08-13 | 2020-06-23 | 朱娜 | Water leakage and cracking preventing floor connecting structure for assembly type building |
| CN210976248U (en) * | 2019-10-18 | 2020-07-10 | 云南宝业金属结构工程有限公司 | Light steel floor system of prefabricated building |
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2020
- 2020-11-03 CN CN202011211731.2A patent/CN112411841B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201432117A (en) * | 2013-02-04 | 2014-08-16 | ying-jun Xie | Lightweight composite floor |
| WO2019126529A1 (en) * | 2017-12-22 | 2019-06-27 | Verco Decking, Inc. | Decking hanger system and decking hanger |
| CN208235768U (en) * | 2018-04-03 | 2018-12-14 | 临沂大学 | A kind of assembled architecture floor system |
| CN209211731U (en) * | 2018-11-15 | 2019-08-06 | 江西恒兴钢结构工程有限公司 | A kind of light-duty composite floor of assembling type steel structure |
| CN109555251A (en) * | 2018-11-17 | 2019-04-02 | 万正河 | It is a kind of to build prefabricated plate and its construction installation method |
| CN210263612U (en) * | 2019-06-20 | 2020-04-07 | 四川省劲腾环保建材有限公司 | Profiled steel sheet based on BIM |
| CN210827999U (en) * | 2019-08-13 | 2020-06-23 | 朱娜 | Water leakage and cracking preventing floor connecting structure for assembly type building |
| CN210976248U (en) * | 2019-10-18 | 2020-07-10 | 云南宝业金属结构工程有限公司 | Light steel floor system of prefabricated building |
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| CN112411841B (en) | 2021-11-23 |
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