CN111255068B - Connection node for non-standard module enclosure structure and using method thereof - Google Patents
Connection node for non-standard module enclosure structure and using method thereof Download PDFInfo
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- CN111255068B CN111255068B CN201811460262.0A CN201811460262A CN111255068B CN 111255068 B CN111255068 B CN 111255068B CN 201811460262 A CN201811460262 A CN 201811460262A CN 111255068 B CN111255068 B CN 111255068B
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- connecting piece
- top beam
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2454—Connections between open and closed section profiles
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention relates to the field of building construction, in particular to a connecting node for a nonstandard module enclosure structure and a using method thereof. The utility model provides a connected node for non-standard module envelope, includes back timber (1) and floorbar (2), characterized by: the building roof beam structure is characterized by further comprising a roof beam top connecting piece (3), a roof beam bottom connecting piece (4), a bottom beam top connecting piece (5), an enclosure connecting piece (61) and a secondary structure connecting piece (62), wherein the roof beam (1), the roof beam top connecting piece (3), the roof beam bottom connecting piece (4) and the like form a roof beam component (7); the bottom beam (2) and the bottom beam top connecting piece (5) form a bottom beam component (8). A use method of a connecting node for a nonstandard module enclosure structure is characterized by comprising the following steps: the method is implemented in sequence according to the following steps: firstly, installing a bottom beam component; installing top beam member. The invention has high construction efficiency and strong environmental adaptability.
Description
Technical Field
The invention relates to the field of building construction, in particular to a connecting node for a nonstandard module enclosure structure.
Background
The modular building is a prefabricated assembly type building system with high factory-like degree. The method has the advantages of high construction speed, high production efficiency, environment-friendly construction process and the like, accords with the industrial construction policy guidance advocated by the state at present, and has good market prospect. However, in the conventional modular building, especially the low multi-storey box-type module is limited by the module, the beam-column section generally adopts the special-shaped structure, and the connection mode is generally only suitable for the structural form with a smaller span, such as the common practice given in "steel-structure box-type modular building construction (a)", which is only suitable for shaping the special-shaped section form, and for the modular building with a larger span, how to solve the problem that how to install the enclosure structure conveniently and quickly is worth researching.
Disclosure of Invention
The invention discloses a connecting node for a nonstandard module enclosure structure and a using method thereof, aiming at overcoming the defects of the prior art and providing a building component with high construction efficiency and strong environmental adaptability.
The invention achieves the purpose by the following technical scheme:
the utility model provides a connected node for non-standard module envelope, includes back timber and floorbar, characterized by: also comprises a top beam top connecting piece, a top beam bottom connecting piece, a bottom beam top connecting piece, an enclosure structure connecting piece and a secondary structure connecting piece,
the top beam top connecting piece comprises a top hook groove and a connecting plate, the opening of the top hook groove is horizontally arranged, the connecting plate is vertically arranged, and the top end of the connecting plate is connected with the outer edge of the bottom plate of the opening of the top hook groove;
the top beam bottom connecting piece comprises a bottom hook groove and a buckle, the opening of the bottom hook groove is arranged upwards, the buckling part of the buckle is arranged downwards, and the side edge of the buckling part is connected with the top edge of the inner side edge of the opening of the bottom hook groove;
the bottom beam top connecting piece is a groove with an upward opening;
the top beam, the top beam top connecting piece, the top beam bottom connecting piece, the enclosure connecting piece and the secondary structure connecting piece form a top beam component as follows: the top beam top connecting piece is welded and fixed on the top surface of the top beam, wherein a bottom plate of an opening of the top hook groove is attached to the top surface of the top beam, and the connecting plate is attached to one side surface of the top beam; the top beam bottom connecting piece is welded and fixed on the bottom surface of the top beam, wherein the top edge of the outer side edge of the opening of the bottom hook groove is connected with the outer edge of the bottom surface of the top beam; the enclosure structure connecting piece and the secondary structure connecting piece are sequentially and horizontally welded and fixed on the side wall of the top beam along the vertical direction;
the bottom beam, the bottom beam top connecting piece, the building envelope connecting piece and the secondary structure connecting piece form a bottom beam component as follows: the bottom beam top connecting piece is welded and fixed on the top surface of the bottom beam, wherein the bottom surface of the bottom beam top connecting piece is attached to the top surface of the bottom beam; and the envelope connecting piece and the secondary structure connecting piece are sequentially and horizontally welded and fixed on the side wall of the bottom beam along the vertical direction.
The connecting node for the nonstandard module enclosure structure is characterized in that: the top beam and the bottom beam both adopt I-shaped cross sections or box-shaped cross sections;
in the top beam component, the enclosure structure connecting piece is arranged above the secondary structure connecting piece,
in the bottom beam component, the enclosure structure connecting piece is arranged below the secondary structure connecting piece.
The connecting node for the nonstandard module enclosure structure is characterized in that:
the enclosure structure connecting piece is made of channel steel, and the vertical surface of the channel steel is attached to the side wall of the top beam and the side wall of the bottom beam;
the secondary structure connecting piece is a connecting plate, and a connecting hole is formed in the connecting plate.
When the invention is used, the method is implemented according to the following steps in sequence:
installing a bottom beam component:
the bottom beam top connecting piece of the bottom beam component is used for connecting the wall body and preventing the wall body from moving inside and outside, the bottom of the wall body is embedded into the groove of the bottom beam top connecting piece of the bottom beam component during installation,
the exterior-protected structure connecting piece of the bottom beam component is used for installing a floor panel, one end of the floor panel is arranged on the exterior-protected structure connecting piece of the bottom beam component during installation,
the secondary structure connecting piece of the bottom beam component is used for connecting the floor secondary beam, and one end of the floor secondary beam is fixed on the secondary structure connecting piece of the bottom beam component by a bolt-nut component during installation;
installing a top beam component:
the top beam top connecting piece of the top beam component plays the role of roof drainage and sealing, the top beam bottom connecting piece is used for installing and enclosing a wall body, the top beam component is clamped at the top of the wall body through the buckle of the bottom top beam bottom connecting piece during installation,
the enclosure connecting piece of the top beam component is used for installing a roof panel, one end of the roof panel is arranged on the enclosure connecting piece of the top beam component during installation,
the secondary structure connecting piece of the top beam member is used for connecting a floor secondary beam, and one end of the floor secondary beam is fixed on the secondary structure connecting piece of the top beam member by a bolt-nut assembly during installation.
The invention has the advantages that the member section and the node form are suitable for the enclosure structures of walls, floors, roofs and the like, can be conveniently and quickly installed with the beam-column main structure, the members and the nodes are processed and finished in a factory, only simple manual operation is needed for enclosing the walls, the floors and the roofs in a construction site, the requirements of convenience and quickness of module construction are completely met, the site welding and high-strength bolt connection are avoided, the site assembling speed is greatly improved, the construction efficiency is improved, and the influence of the environment is avoided.
The invention has the following beneficial effects:
the defects that the traditional module building, particularly a low-rise multi-storey box-type module, is limited by the modulus, the beam column section generally adopts a special-shaped structure, and the connection mode is generally only suitable for the structural form with smaller span are overcome, so that the module building with larger span is applicable, the enclosure structure is convenient and quick to install, and the construction efficiency is high. The method is suitable for the assembled steel structure nonstandard module enclosure structure.
Drawings
FIG. 1 is a front view of a top beam-top connection;
FIG. 2 is an isometric view of a top beam top connection;
FIG. 3 is a front view of the top beam-bottom connector;
FIG. 4 is an isometric view of a top beam bottom connection;
FIG. 5 is a front view of the bottom rail top attachment;
FIG. 6 is an isometric view of a bottom rail top connector;
FIG. 7 is a front view of a header member of the optional header bar;
FIG. 8 is a front view of a header member with the header selected for a box beam;
FIG. 9 is a front view of the sill member of the sill select jack beam;
FIG. 10 is a front view of a bottom beam member of the bottom beam alternative to a box beam;
FIG. 11 is a schematic view of the installation of the sill member when the sill selects the I-beam;
FIG. 12 is a schematic view of the installation of the bottom rail member when the bottom rail is a box-type rail;
FIG. 13 is a schematic view of the top beam member installation in selecting the roof beam for the utility model;
FIG. 14 is a schematic view of the installation of the header member when the header is a box beam;
FIG. 15 is a schematic structural view of the present invention with the top and bottom beams both being configured as jig beams;
fig. 16 is a schematic view of the construction of the present invention in which the top and bottom beams are box beams.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
The utility model provides a connected node for nonstandard module envelope, includes top beam 1, floorbar 2, top beam top connecting piece 3, top beam bottom connecting piece 4, floorbar top connecting piece 5, envelope connecting piece 61 and secondary structure connecting piece 62, as shown in fig. 1 ~ 10, concrete structure is:
the roof beam top connection 3 is shown in fig. 1 and 2: the top beam top connecting piece 3 comprises a top hook groove 31 and a connecting plate 32, wherein the opening of the top hook groove 31 is horizontally arranged, the connecting plate 32 is vertically arranged, and the top end of the connecting plate 32 is connected with the outer edge of the bottom plate of the opening of the top hook groove 31;
the top sill connection 4 is shown in fig. 3 and 4: the top beam bottom connecting piece 4 comprises a bottom hook groove 41 and a buckle 42, wherein the opening of the bottom hook groove 41 is arranged upwards, the buckling part of the buckle 42 is arranged downwards, and the side edge of the buckling part of the buckle 42 is connected with the top edge of the inner side edge of the opening of the bottom hook groove 41;
the bottom beam top attachment 5 is shown in fig. 5 and 6: the bottom beam top connecting piece 5 is a groove with an upward opening;
the top beam 1, the top beam top connecting piece 3, the top beam bottom connecting piece 4, the envelope connecting piece 61 and the secondary structure connecting piece 62 form a top beam component 7 as follows: the top beam top connecting piece 3 is fixedly welded on the top surface of the top beam 1, wherein the bottom plate of the top hook groove 31 is attached to the top surface of the top beam 1, and the connecting plate 32 is attached to one side surface of the top beam 1; the top beam bottom connecting piece 4 is fixedly welded on the bottom surface of the top beam 1, wherein the top edge of the outer side edge of the opening of the bottom hook groove 31 is connected with the outer edge of the bottom surface of the top beam 1; the enclosure structure connecting piece 61 and the secondary structure connecting piece 62 are sequentially and horizontally welded and fixed on the side wall of the top beam 1 along the vertical direction, the enclosure structure connecting piece 61 is made of channel steel, the vertical surface of the channel steel is attached to the side wall of the top beam 1, the secondary structure connecting piece 62 is made of a connecting plate, a connecting hole is formed in the connecting plate, and the enclosure structure connecting piece 61 is arranged above the secondary structure connecting piece 62;
the bottom beam 2, the bottom beam top connecting piece 5, the envelope connecting piece 61 and the secondary structure connecting piece 62 form a bottom beam member 8 as follows: the bottom beam top connecting piece 5 is fixedly welded on the top surface of the bottom beam 2, wherein the bottom surface of the bottom beam top connecting piece 5 is attached to the top surface of the bottom beam 2; envelope connecting piece 61 and inferior structure connecting piece 62 are along vertical direction welded fastening horizontally on the lateral wall of floorbar 2 in proper order, and envelope connecting piece 61 chooses for use the channel-section steel, the perpendicular laminating of channel-section steel is on the lateral wall of floorbar 2, and inferior structure connecting piece 62 chooses for use the connecting plate, be equipped with the connecting hole on the connecting plate, envelope connecting piece 61 locates inferior structure connecting piece 62's below.
The top beam 1 and the bottom beam 2 both adopt I-shaped beams with cross sections or box-shaped beams with cross sections in the shape of Chinese character 'kou'; the top beam member 7 of the top beam 1 selected from the I-shaped beams is shown in FIG. 7, and the top beam member 7 of the top beam 1 selected from the box-shaped beams is shown in FIG. 8; the sill member 8 of the sill 2, which is an optional i-beam, is shown in fig. 9, and the sill member 8 of the sill 2, which is an optional box beam, is shown in fig. 10.
When the invention is used, the method is implemented according to the following steps in sequence:
installing a bottom beam component:
the bottom beam top connecting piece 5 of the bottom beam member 8 is used for connecting the wall body 91 and preventing the wall body 91 from moving inside and outside, the bottom of the wall body 91 is embedded into the groove of the bottom beam top connecting piece 5 of the bottom beam member 8 during installation,
the envelope connecting piece 61 of the bottom beam member 8 is used for installing a floor panel 92, one end of the floor panel is arranged on the envelope connecting piece 61 of the bottom beam member 8 during installation,
the secondary structure connecting piece 62 of the bottom beam member 8 is used for connecting a floor secondary beam, and one end of the floor secondary beam is fixed on the secondary structure connecting piece 62 of the bottom beam member 8 by a bolt-nut assembly during installation;
the bottom beams 2 are chosen to be i-beams as shown in fig. 11, and the bottom beams 2 are chosen to be box-beams as shown in fig. 12, and for the sake of simplicity and clarity, the secondary structural connecting members 62 are not shown in fig. 11 and 12.
Installing a top beam component:
the top beam top connecting piece 3 of the top beam member 7 plays roles of roof drainage and sealing, the top beam bottom connecting piece 4 is used for installing and enclosing the wall body 91, the top beam member 7 is clamped at the top of the wall body 91 through the buckle 42 of the bottom top beam bottom connecting piece 4 during installation,
the enclosure connecting piece 61 of the top beam member 7 is used for installing the roof panel 93, one end of the roof panel 93 is arranged on the enclosure connecting piece 61 of the top beam member 7 during installation,
the secondary structural connector 62 of the top beam member 7 is used for connecting a floor secondary beam, and one end of the floor secondary beam is fixed on the secondary structural connector 62 of the top beam member 7 by a bolt-nut assembly during installation.
After completion, the top beam 1 and the bottom beam 2 are both selected from I-beams as shown in FIG. 15, and the top beam 1 and the bottom beam 2 are both selected from box-beams as shown in FIG. 16.
The invention is manufactured according to the following principle:
all the connecting pieces are processed in the factory in advance,
the connecting piece of the top beam and the connecting piece of the bottom beam are respectively welded with the top beam and the bottom beam in a factory,
firstly, mounting frame structures such as beams, columns and the like,
secondly, mounting a floor secondary beam, connecting the floor secondary beam and the bottom beam together by using bolts,
secondly, a floor plate is installed and is arranged on the envelope connecting piece of the bottom beam,
secondly, mounting a roof panel, placing the roof panel on a connecting piece on the side surface of the top beam,
secondly, installing a wall body, clamping the lower part of the roof panel in a connecting piece at the upper part of the bottom beam, clamping the upper part of the roof panel with the connecting piece at the bottom of the top beam,
and finally installing other building envelopes.
Claims (2)
1. The utility model provides a connected node for non-standard module envelope, includes back timber (1) and floorbar (2), characterized by: also comprises a top beam top connecting piece (3), a top beam bottom connecting piece (4), a bottom beam top connecting piece (5), an enclosure connecting piece (61) and a secondary structure connecting piece (62),
the top beam top connecting piece (3) comprises a top hook groove (31) and a connecting plate (32), the opening of the top hook groove (31) is horizontally arranged, the connecting plate (32) is vertically arranged, and the top end of the connecting plate (32) is connected with the outer edge of the bottom plate of the opening of the top hook groove (31);
the top beam bottom connecting piece (4) comprises a bottom hook groove (41) and a buckle (42), the opening of the bottom hook groove (41) is arranged upwards, the buckling part of the buckle (42) is arranged downwards, and the side edge of the buckling part of the buckle (42) is connected with the top edge of the inner side edge of the opening of the bottom hook groove (41);
the bottom beam top connecting piece (5) is a groove with an upward opening;
the top beam component (7) is formed by the top beam (1), the top beam top connecting piece (3), the top beam bottom connecting piece (4), the enclosing structure connecting piece (61) and the secondary structure connecting piece (62) as follows: the top beam top connecting piece (3) is fixed on the top surface of the top beam (1), wherein the bottom plate of the opening of the top hook groove (31) is attached to the top surface of the top beam (1), and the connecting plate (32) is attached to one side surface of the top beam (1); the top beam bottom connecting piece (4) is fixed on the bottom surface of the top beam (1), wherein the top edge of the outer side edge of the opening of the bottom hook groove (41) is connected with the outer edge of the bottom surface of the top beam (1); the enclosure structure connecting piece (61) and the secondary structure connecting piece (62) are sequentially and horizontally fixed on the side wall of the top beam (1) along the vertical direction;
the bottom beam (2), the bottom beam top connecting piece (5), the envelope connecting piece (61) and the secondary structure connecting piece (62) form a bottom beam component (8) as follows: the bottom beam top connecting piece (5) is fixed on the top surface of the bottom beam (2), wherein the bottom surface of the bottom beam top connecting piece (5) is attached to the top surface of the bottom beam (2); the envelope connecting piece (61) and the secondary structure connecting piece (62) are sequentially and horizontally fixed on the side wall of the bottom beam (2) along the vertical direction;
the top beam (1) and the bottom beam (2) both adopt I-shaped beams with I-shaped cross sections or both adopt box-shaped beams with square cross sections;
in the top beam component (7), the enclosure structure connecting piece (61) is arranged above the secondary structure connecting piece (62),
in the bottom beam component (8), the enclosure structure connecting piece (61) is arranged below the secondary structure connecting piece (62);
the space enclosing structure connecting piece (61) is made of channel steel, and the vertical surface of the channel steel is attached to the side wall of the top beam (1) and the side wall of the bottom beam (2);
the secondary structure connecting piece (62) is a connecting plate, and a connecting hole is formed in the connecting plate.
2. A method of using a connection node for a non-standard modular enclosure as claimed in claim 1, wherein: the method is implemented in sequence according to the following steps:
installing a bottom beam component:
the bottom beam top connecting piece (5) of the bottom beam member (8) is used for connecting the wall body (91) and preventing the wall body (91) from moving inside and outside, the bottom of the wall body (91) is embedded into the groove of the bottom beam top connecting piece (5) of the bottom beam member (8) during installation,
the envelope connecting piece (61) of the bottom beam component (8) is used for installing a floor panel (92), one end of the floor panel is arranged on the envelope connecting piece (61) of the bottom beam component (8) during installation,
the secondary structure connecting piece (62) of the bottom beam member (8) is used for connecting a floor secondary beam, and one end of the floor secondary beam is fixed on the secondary structure connecting piece (62) of the bottom beam member (8) by a bolt-nut assembly during installation;
installing a top beam component:
the top beam top connecting piece (3) of the top beam member (7) plays roles of roof drainage and sealing, the top beam bottom connecting piece (4) is used for installing and enclosing a wall body (91), the top beam member (7) is clamped at the top of the wall body (91) through the clamping buckle (42) of the bottom top beam bottom connecting piece (4) during installation,
the enclosure structure connecting piece (61) of the top beam member (7) is used for installing a roof panel (93), one end of the roof panel (93) is arranged on the enclosure structure connecting piece (61) of the top beam member (7) during installation,
the secondary structure connecting piece (62) of the top beam member (7) is used for connecting a floor secondary beam, and one end of the floor secondary beam is fixed on the secondary structure connecting piece (62) of the top beam member (7) by a bolt-nut assembly during installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460262.0A CN111255068B (en) | 2018-11-30 | 2018-11-30 | Connection node for non-standard module enclosure structure and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460262.0A CN111255068B (en) | 2018-11-30 | 2018-11-30 | Connection node for non-standard module enclosure structure and using method thereof |
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| Publication Number | Publication Date |
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| CN111255068A CN111255068A (en) | 2020-06-09 |
| CN111255068B true CN111255068B (en) | 2022-03-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144374A (en) * | 1995-11-17 | 1997-06-03 | Takenaka Komuten Co Ltd | Aseismatic and damping structure using steel plate block |
| CN101307619A (en) * | 2008-06-25 | 2008-11-19 | 上海俊昌钢管有限公司 | Rectangular cabin body girder steel element structure and manufacture method |
| CN201614659U (en) * | 2009-12-03 | 2010-10-27 | 王炎秋 | Scalable split-mounting container type prefabricated house |
| CN201826394U (en) * | 2010-10-12 | 2011-05-11 | 佛山市高鼎集成房屋有限公司 | Waterproof container-type movable house |
| CN201835540U (en) * | 2010-11-02 | 2011-05-18 | 广东新会中集特种运输设备有限公司 | Mobile house |
-
2018
- 2018-11-30 CN CN201811460262.0A patent/CN111255068B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144374A (en) * | 1995-11-17 | 1997-06-03 | Takenaka Komuten Co Ltd | Aseismatic and damping structure using steel plate block |
| CN101307619A (en) * | 2008-06-25 | 2008-11-19 | 上海俊昌钢管有限公司 | Rectangular cabin body girder steel element structure and manufacture method |
| CN201614659U (en) * | 2009-12-03 | 2010-10-27 | 王炎秋 | Scalable split-mounting container type prefabricated house |
| CN201826394U (en) * | 2010-10-12 | 2011-05-11 | 佛山市高鼎集成房屋有限公司 | Waterproof container-type movable house |
| CN201835540U (en) * | 2010-11-02 | 2011-05-18 | 广东新会中集特种运输设备有限公司 | Mobile house |
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| CN111255068A (en) | 2020-06-09 |
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