CN105369890A - Earthquake-proof folk house steel framework and installation method thereof - Google Patents
Earthquake-proof folk house steel framework and installation method thereof Download PDFInfo
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- CN105369890A CN105369890A CN201510827285.0A CN201510827285A CN105369890A CN 105369890 A CN105369890 A CN 105369890A CN 201510827285 A CN201510827285 A CN 201510827285A CN 105369890 A CN105369890 A CN 105369890A
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- horizontal
- integrated unit
- skeleton
- support plate
- floor support
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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
- 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
-
- 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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- 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
-
- 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
- E04B2001/2415—Brackets, gussets, joining plates
-
- 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
- E04B2001/2466—Details of the elongated load-supporting parts
-
- 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
- E04B2001/2484—Details of floor panels or slabs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses an earthquake-proof folk house steel framework and an installation method thereof. The earthquake-proof folk house steel framework comprises a plurality of beam and column integration units, and a plurality of horizontal floor support plate integration units; each beam and column integration unit comprises two roof beams in lap joint to form a herringbone shape, a middle column in lap joint between the two roof beams and downwards extending, edge columns respectively in lap joint with the edge parts or the end parts of the two roof beams and downwards extending, and horizontal cross beams in lap joint between the middle column and the edge columns and perpendicular to the middle column and the edge columns; the beam and column integration units are arranged side by side at intervals according to the length of a built house; the beam and column integration units are connected through a plurality of horizontal longitudinal beams; the horizontal floor support plate integration units are arranged on a rectangular frame formed by the horizontal cross beams and the horizontal longitudinal beams; and the horizontal floor support plate integration units comprise baseplates, skeletons arranged on the baseplates at intervals, and concrete filled between the upper sides of the baseplates and the skeletons. The earthquake-proof folk house steel framework is convenient and fast in field installation, high in efficiency, high in installation precision, short in construction period, safe and reliable, effectively saves both manpower and material resources, and has a better operability.
Description
Technical field
The present invention relates to a kind of antidetonation local-style dwelling houses Steel Structure and mounting method thereof, belong to construction and installation technical field.
Background technology
Recover in construction at Folk House Construction especially disaster area local-style dwelling houses, workmanship and construction speed are all key links, and in existing construction process, because building unit is as post, beam, floor framings etc. are all single-piece production, single-piece is transported, arrive scene single-piece lifting again, after in place, again by constructor on ground, aerial connecting bolt is bored a hole, the operations such as tightening nut is fixed, cause operating efficiency low, time-consumingly to take a lot of work, affect construction speed, even numerous operational sequences also can affect workmanship, bring potential safety hazard also can to aerial constructor, and then be difficult to meet at a high speed, high-quality construction demand.Therefore, be necessary to make further improvements prior art.
Summary of the invention
The object of the present invention is to provide a kind of antidetonation local-style dwelling houses Steel Structure and mounting method, with Accelerating The Construction speed, especially improve local-style dwelling houses structure steel fabrication, installation effectiveness, guaranteeing construction quality, while shortening construction period, reduce the work high above the ground time long risk brought, use manpower and material resources sparingly.
The present invention is realized by following technical proposal: a kind of antidetonation local-style dwelling houses Steel Structure, comprise several beams, post integrated unit, with some pieces of horizontal floor support plate integrated units, it is characterized in that: each beam described, post integrated unit comprises and is overlapped to form lambdoid two roof girders, tower to be connected between two roof girders and to the center pillar of downward-extension, tower is connected on two roof girder edge or end and to the side column of downward-extension respectively, tower to be connected between center pillar and side column and with center pillar and the perpendicular horizontal gird of side column, several beams described, post integrated unit is arranged side by side according to a room length separation that builds a house, beam between two, be connected by many horizontal girders between post integrated unit, two horizontal girds arranged in opposite directions, the rectangle frame that two horizontal girders are formed arranges horizontal floor support plate integrated unit, described horizontal floor support plate integrated unit comprises base plate, be disposed on the skeleton on base plate, water the concrete be filled in above base plate and between skeleton.
Described side column, center pillar, horizontal gird and horizontal girder are H profile steel, and the groove of H profile steel is connected with corresponding horizontal gird and/or horizontal girder by coupling assembling, and the plane of H profile steel is connected with corresponding horizontal gird and/or horizontal girder by connector.
Described coupling assembling comprises a riser, be symmetricly set on the level board of this upper and lower position, riser both sides, the inner of riser and each level board is connected with the groove of H profile steel, the outer end of riser and each level board is connected with the first flange, correspondence is connected to the second flange of horizontal gird and/or horizontal girder end, described connection is welding, and flange is connected by bolt and nut between two.
Described connector comprises the flat board be connected in H profile steel plane, and correspondence is connected to the second flange of horizontal gird and/or horizontal girder end, and described connection is welding, and flange is connected by bolt and nut with flat board.
The skeleton of described horizontal floor support plate integrated unit comprises three longitudinal reinforcements of distribution triangular in shape, and compartment of terrain is symmetricly set on the web member reinforcing bar pair between two between longitudinal reinforcement.
The base plate of described horizontal floor support plate integrated unit is galvanized sheet, and skeleton interval is connected on galvanized sheet, and described connection is spot welding, and described skeleton quantity is specifically determined depending on the bearing capacity size of horizontal floor support plate integrated unit.
On described roof girder, interval connects purlin support, for installing fixing roof purline.
Another object of the present invention is to the mounting method that a kind of antidetonation local-style dwelling houses steel structure skeleton is provided, through the following step:
(1) two roof girder bolts and nut are overlapped on center pillar top, form herringbone, side column top is overlapped on respectively again at the outer end bolt of two roof girders and nut, assembly the inner is welded to connect in H profile steel concave surface in the middle part of center pillar and side column, weld the first flange in coupling assembling outer end, the H profile steel end face of horizontal gird welds the second flange, two flange bolts and nut are fixed, on roof girder, interval connects purlin support, obtains beam, post integrated unit;
(2) several step (1) gained beam, post integrated unit compartment of terrain are arranged side by side, and connecing many horizontal girders with bolt and nut tower between beam, post integrated unit between two, thus form multiple rectangle frame be made up of the horizontal gird of two in opposite directions, two horizontal girders at the middle part between two between beam, post integrated unit;
(3) base plate in horizontal floor support plate integrated unit is placed in the corresponding rectangle frame lower end of step (2), several skeleton is connected by spot welding interval again on base plate, again between base plate top, skeleton placing of concrete to not having skeleton, after concrete setting, namely obtain horizontal floor support plate integrated unit, finally complete the installation of antidetonation local-style dwelling houses Steel Structure.
Described skeleton is that then web member reinforcing bar pair is being welded symmetrically between two in interval between longitudinal reinforcement, thus obtains skeleton by three reinforcing bar longitudinal, parallel distributions triangular in shape.
The present invention has following advantages and effect: adopt such scheme, have the following advantages and effect:
1, only need at the scene by beam column integrated unit and horizontal floor support plate integrated unit assembling, in-site installation is convenient, fast, reduce on-the-spot component overstock, Secondary Transport, improve in-site installation efficiency;
2, reduce on-the-spot component secondary deformation, antidetonation local-style dwelling houses Steel Structure Installation precision can be improved;
3, reasonably shorten construction period, reduce potential safety hazard, improve construction quality;
4, reduce work high above the ground, effectively use manpower and material resources sparingly, there is better operability.
Accompanying drawing explanation
The main TV structure schematic diagram of Fig. 1-single beam, post integrated unit and horizontal floor support plate integrated unit;
Plan structure schematic diagram after Fig. 2-multiple beam, post integrated unit connect;
Perspective view after Fig. 3-multiple beam, post integrated unit connect;
The sectional structure schematic diagram of Fig. 4-horizontal floor support plate integrated unit;
The syndeton schematic diagram of Fig. 5-horizontal gird and center pillar;
The junction plan structure schematic diagram (situation that four sides is connected) of Fig. 6-horizontal gird and center pillar;
The junction plan structure schematic diagram (three situations about being connected) of Fig. 7-horizontal gird and center pillar;
The junction plan structure schematic diagram (situation that two sides is connected) of Fig. 8-horizontal gird and side column;
The structural representation of the second flange on Fig. 9-horizontal gird end face.
Wherein, 1 is purlin support, and 2 is roof girders, 3 is side columns, and 4 is center pillars, and 5 is horizontal girds, 6 is connectors, and 7 is horizontal floor support plate integrated units, and 8 is reinforcing bars, 9 is web member reinforcing bars pair, and 10 is concrete, and 11 is base plates, 12 is horizontal girders, and 13 is coupling assemblings, and 14 is first flange, 15 is bolt and nut, and 16 is second flange.
Detailed description of the invention
Below in conjunction with accompanying drawing, patent of the present invention is described further.
As shown in the figure, antidetonation local-style dwelling houses Steel Structure comprises several beams, post integrated unit, with some pieces of horizontal floor support plate integrated units 7, each beam described, post integrated unit comprises and is overlapped to form lambdoid two roof girders 2, tower to be connected between two roof girders 2 and to the center pillar 4 of downward-extension, tower is connected on two roof girder 2 edge or end and to the side column 3 of downward-extension respectively, tower to be connected between center pillar 4 and side column 3 and with center pillar 3 and the perpendicular horizontal gird 5 of side column 4, several beams described, post integrated unit is arranged side by side according to a room length separation that builds a house, beam between two, be connected by many horizontal girders 12 between post integrated unit, two horizontal girds 5 arranged in opposite directions, the rectangle frame that two horizontal girders 12 are formed arranges horizontal floor support plate integrated unit 7, described horizontal floor support plate integrated unit 7 comprises base plate 11, be disposed on the skeleton on base plate 11, water the concrete 10 be filled in above base plate 11 and between skeleton.
Described side column 3, center pillar 4, horizontal gird 5 and horizontal girder 12 are H profile steel, the groove of H profile steel is connected with corresponding horizontal gird 5 and/or horizontal girder 12 by coupling assembling 13, and the plane of H profile steel is connected with corresponding horizontal gird 5 and/or horizontal girder 12 by connector 6.
Described coupling assembling 13 comprises a riser, be symmetricly set on the level board of this upper and lower position, riser both sides, the inner of riser and each level board is connected with the groove of H profile steel, the outer end of riser and each level board is connected with the first flange 14, correspondence is connected to the second flange 16 of horizontal gird 5 and/or horizontal girder 12 end, described connection is welding, and flange is connected by bolt and nut 15 between two.
Described connector 6 comprises the flat board be connected in H profile steel plane, and correspondence is connected to the second flange 16 of horizontal gird 5 and/or horizontal girder 12 end, and described connection is welding, and flange is connected by bolt and nut 15 with flat board.
The skeleton of described horizontal floor support plate integrated unit 7 comprises three longitudinal reinforcements 8 of distribution triangular in shape, and compartment of terrain is symmetricly set on web member reinforcing bar between two between longitudinal reinforcement to 9.
The base plate 11 of described horizontal floor support plate integrated unit 7 is galvanized sheet, and skeleton interval is connected on galvanized sheet, and described connection is spot welding, and described skeleton quantity is specifically determined depending on the bearing capacity size of horizontal floor support plate integrated unit 7.
On described roof girder 2, interval connects purlin support 1, for installing fixing roof purline.
The mounting method of above-mentioned antidetonation local-style dwelling houses steel structure skeleton, through the following step:
(1) two roof girders 2 bolt and nut are overlapped on center pillar 4 top, form herringbone, side column 3 top is overlapped on respectively again at the outer end bolt of two roof girders 2 and nut, assembly 13 is welded to connect inner in H profile steel concave surface in the middle part of center pillar 4 and side column 3, the first flange 14 is welded in coupling assembling 13 outer end, the H profile steel end face of horizontal gird 5 welds the second flange 16, two flange bolts and nut 15 are fixed, on roof girder 2, interval connects purlin support 1, obtains beam, post integrated unit;
(2) several step (1) gained beam, post integrated unit compartment of terrain are arranged side by side, and connecing many horizontal girders 12 with bolt and nut 15 tower between beam, post integrated unit between two, thus formed multiple by the horizontal gird of two in opposite directions 5, two rectangle frames that horizontal girder 12 is formed at the middle part between two between beam, post integrated unit;
(3) base plate 11 in horizontal floor support plate integrated unit 7 is placed in the corresponding rectangle frame lower end of step (2), several skeleton is connected by spot welding interval again on base plate, again between base plate 11 top, skeleton placing of concrete 10 to not having skeleton, after concrete 10 solidifies, namely obtain horizontal floor support plate integrated unit 7, finally complete the installation of antidetonation local-style dwelling houses Steel Structure; Described skeleton is that then web member reinforcing bar is being welded to 9 symmetrically between two in interval between longitudinal reinforcement 8, thus obtains skeleton by three reinforcing bar 8 longitudinal, parallel distributions triangular in shape.
Claims (9)
1. an antidetonation local-style dwelling houses Steel Structure, comprise several beams, post integrated unit, with some pieces of horizontal floor support plate integrated units, it is characterized in that: each beam described, post integrated unit comprises and is overlapped to form lambdoid two roof girders, tower to be connected between two roof girders and to the center pillar of downward-extension, tower is connected on two roof girder edge or end and to the side column of downward-extension respectively, tower to be connected between center pillar and side column and with center pillar and the perpendicular horizontal gird of side column, several beams described, post integrated unit is arranged side by side according to a room length separation that builds a house, beam between two, be connected by many horizontal girders between post integrated unit, two horizontal girds arranged in opposite directions, the rectangle frame that two horizontal girders are formed arranges horizontal floor support plate integrated unit, described horizontal floor support plate integrated unit comprises base plate, be disposed on the skeleton on base plate, water the concrete be filled in above base plate and between skeleton.
2. antidetonation local-style dwelling houses Steel Structure according to claim 1, it is characterized in that: described side column, center pillar, horizontal gird and horizontal girder are H profile steel, the groove of H profile steel is connected with corresponding horizontal gird and/or horizontal girder by coupling assembling, and the plane of H profile steel is connected with corresponding horizontal gird and/or horizontal girder by connector.
3. antidetonation local-style dwelling houses Steel Structure according to claim 1, it is characterized in that: described coupling assembling comprises a riser, be symmetricly set on the level board of this upper and lower position, riser both sides, the inner of riser and each level board is connected with the groove of H profile steel, the outer end of riser and each level board is connected with the first flange, correspondence is connected to the second flange of horizontal gird and/or horizontal girder end, and described connection is welding, and flange is connected by bolt and nut between two.
4. antidetonation local-style dwelling houses Steel Structure according to claim 1, it is characterized in that: described connector comprises the flat board be connected in H profile steel plane, correspondence is connected to the second flange of horizontal gird and/or horizontal girder end, described connection is welding, and flange is connected by bolt and nut with flat board.
5. antidetonation local-style dwelling houses Steel Structure according to claim 1, is characterized in that: the skeleton of described horizontal floor support plate integrated unit comprises three longitudinal reinforcements of distribution triangular in shape, and compartment of terrain is symmetricly set on the web member reinforcing bar pair between two between longitudinal reinforcement.
6. antidetonation local-style dwelling houses Steel Structure according to claim 1, it is characterized in that: the base plate of described horizontal floor support plate integrated unit is galvanized sheet, skeleton interval is connected on galvanized sheet, and described connection is spot welding, and described skeleton quantity is specifically determined depending on the bearing capacity size of horizontal floor support plate integrated unit.
7. antidetonation local-style dwelling houses Steel Structure according to claim 1, is characterized in that: on described roof girder, interval connects purlin support, for installing fixing roof purline.
8. a mounting method for antidetonation local-style dwelling houses steel structure skeleton, is characterized in that through the following step:
(1) two roof girder bolts and nut are overlapped on center pillar top, form herringbone, side column top is overlapped on respectively again at the outer end bolt of two roof girders and nut, assembly the inner is welded to connect in H profile steel concave surface in the middle part of center pillar and side column, weld the first flange in coupling assembling outer end, the H profile steel end face of horizontal gird welds the second flange, two flange bolts and nut are fixed, on roof girder, interval connects purlin support, obtains beam, post integrated unit;
(2) several step (1) gained beam, post integrated unit compartment of terrain are arranged side by side, and connecing many horizontal girders with bolt and nut tower between beam, post integrated unit between two, thus form multiple rectangle frame be made up of the horizontal gird of two in opposite directions, two horizontal girders at the middle part between two between beam, post integrated unit;
(3) base plate in horizontal floor support plate integrated unit is placed in the corresponding rectangle frame lower end of step (2), several skeleton is connected by spot welding interval again on base plate, again between base plate top, skeleton placing of concrete to not having skeleton, after concrete setting, namely obtain horizontal floor support plate integrated unit, finally complete the installation of antidetonation local-style dwelling houses Steel Structure.
9. mounting method according to claim 8, is characterized in that: described skeleton is that then web member reinforcing bar pair is being welded symmetrically between two in interval between longitudinal reinforcement, thus obtains skeleton by three reinforcing bar longitudinal, parallel distributions triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827285.0A CN105369890A (en) | 2015-11-24 | 2015-11-24 | Earthquake-proof folk house steel framework and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827285.0A CN105369890A (en) | 2015-11-24 | 2015-11-24 | Earthquake-proof folk house steel framework and installation method thereof |
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| Publication Number | Publication Date |
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| CN105369890A true CN105369890A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510827285.0A Pending CN105369890A (en) | 2015-11-24 | 2015-11-24 | Earthquake-proof folk house steel framework and installation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836477A (en) * | 2017-01-23 | 2017-06-13 | 合肥饰界金属制品有限公司 | Truss |
| CN107863249A (en) * | 2017-11-03 | 2018-03-30 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of 50Hz traps capacitor support structure |
| CN114033030A (en) * | 2021-12-09 | 2022-02-11 | 杭黄铁路有限公司 | Steel structure support frame for roof of railway station |
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| EP1321592A1 (en) * | 2001-12-21 | 2003-06-25 | Paolo Manzi | Self-supporting framework modular structure with extruded sections and self-supporting boards and method for making same |
| CN200946327Y (en) * | 2006-08-31 | 2007-09-12 | 马克林 | Earthquake-proof insulated energy-saving house for countryside |
| CN201050117Y (en) * | 2007-06-20 | 2008-04-23 | 佘晨岗 | Detachable steel frame movable room |
| CN202273319U (en) * | 2011-10-28 | 2012-06-13 | 武汉大学 | Connection node device for concrete-filled steel tube column and reinforced concrete beam |
| CN205348384U (en) * | 2015-11-24 | 2016-06-29 | 云南昆钢钢结构股份有限公司 | Antidetonation local -style dwelling houses steel framework |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1321592A1 (en) * | 2001-12-21 | 2003-06-25 | Paolo Manzi | Self-supporting framework modular structure with extruded sections and self-supporting boards and method for making same |
| CN200946327Y (en) * | 2006-08-31 | 2007-09-12 | 马克林 | Earthquake-proof insulated energy-saving house for countryside |
| CN201050117Y (en) * | 2007-06-20 | 2008-04-23 | 佘晨岗 | Detachable steel frame movable room |
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| CN205348384U (en) * | 2015-11-24 | 2016-06-29 | 云南昆钢钢结构股份有限公司 | Antidetonation local -style dwelling houses steel framework |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836477A (en) * | 2017-01-23 | 2017-06-13 | 合肥饰界金属制品有限公司 | Truss |
| CN107863249A (en) * | 2017-11-03 | 2018-03-30 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of 50Hz traps capacitor support structure |
| CN114033030A (en) * | 2021-12-09 | 2022-02-11 | 杭黄铁路有限公司 | Steel structure support frame for roof of railway station |
| CN114033030B (en) * | 2021-12-09 | 2023-02-24 | 杭黄铁路有限公司 | Steel structure support frame for roof of railway station |
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Application publication date: 20160302 |