CN205189127U - Thin -wall channel combination house based on BIM - Google Patents
Thin -wall channel combination house based on BIM Download PDFInfo
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- CN205189127U CN205189127U CN201520645248.3U CN201520645248U CN205189127U CN 205189127 U CN205189127 U CN 205189127U CN 201520645248 U CN201520645248 U CN 201520645248U CN 205189127 U CN205189127 U CN 205189127U
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Abstract
The utility model discloses a thin -wall channel combination house based on BIM, including ground, stand, crossbeam, wall, roof, door and window, stand and crossbeam adoption in -flanges C shaped steel or the combination square steel that forms by symmetrical in -flanges C shaped steel make -up, between stand and the ground, between stand and the crossbeam, between the adjacent crossbeam, between stand or crossbeam and the sloping, between crossbeam or sloping and the roof to and adjacent supporter intersection, adopt base connecting piece or butt joint connecting piece or cross connection spare interconnect together. Can be with the quick firm butt joint of in -flanges C shaped steel. Be in the same place with the mutual lock of in -flanges and the compressed of in -flanges C shaped steel in the inboard hole of stepping down that sets up of connector. The constant head tank that the connector outside set up can be in the same place with in -flanges C shaped steel convex -concave nested within each other, and the fixed back of rethread fastening steel band compress reaches fixed just antiskid and takes off the effect.
Description
Technical field
The utility model relates to component technology field, thin walled steel structure house, particularly relates to a kind of thin-wall channel assembled house based on BIM.
Background technology
Cold formed steel structure building system is because it is from heavy and light, anti-seismic performance is good, and type of attachment is various, can adapt to complex building moulding, less or without wet work, suitable batch production optimal design and modularized production, short construction period, house general layout flexible arrangement, building waste is few, component is reusable, the pollution of environment is more and more received to the concern of people close to the feature of zero grade, and is listed in the project optimization in bottom and middle-high building.
At present, to exploitation and the application of novel high-strength cold-rolled forming section especially thin-walled cold-rolled forming section, the new forward position in cold-rolled forming section field is become.But China is inadequate to the deep processing of product members at cold bending thin wall steel work, not yet reaches part widely, modularized production.Get used to adopting foreign forming technique, the structural system with independent intellectual property right developed is few, lacks independent brand.Along with developing rapidly of new countryside construction in recent years, the house demand of new structure is constantly increased, have also been changed traditional idea gradually, steel work house also comes in rural development gradually, existing steel work housing system structure comparison is heavy, construction period is long, cost is higher, be unfavorable for that it is applied, utility model people applied for proposing a kind of novel steel work housing system in the utility model patent in thin walled steel structure monomer section bar and built-up sectional material and thin walled steel structure room thereof in last year, present patent application is exactly the problem of the Fast Installation in order to the above-mentioned patent of supporting solution.
The patented technology that Patent publication No CN102359191A provides " thin walled steel structure connector and syndeton thereof ", in this patented technology, have employed the scheme of being carried out rapid abutting joint between connector and Steel Thin-Wall section bar by banding steel band.The program is applicable to short-term fast module thin walled steel structure house, and reasonable in design, intensity is higher under fault-free conditions.But there is profile structure complexity, the problem that manufacture difficulty is large in above-mentioned patented technology, can not combine with existing profile-forming machine well, need shaping equipment, cost is high, and impact is applied in input implementation process.In this patented technology, tubulose or channel-shaped section bar are set in outside connector, recycling connector on hoop groove as slip-off preventing fixed center, with banding steel band by section bar enforce compression hoop groove in.But in actual use, due to marginal existence step and the seamed edge of hoop groove wing plates on two sides, and the thickness of Steel Thin-Wall section bar is very thin; light-gauge steel section thickness is usually at about 0.3mm; be easy to breakage by the Steel Thin-Wall section bar after the compressive strain of banding steel band, after breakage, cause section bar intensity obviously to reduce, whole section bar even can be caused to rupture; and preservative treatment cannot be carried out in the damaged rear cavity formed, and rainwater causes syndeton to be corroded problem after entering damaged gap.So above patented technology exists potential safety hazard in actual applications, need to be improved.
Utility model content
The purpose of this utility model is for existing thin walled steel structure connector and syndeton Problems existing and deficiency, a kind of thin-wall channel assembled house based on BIM is provided, excessive and the impaired problem of syndeton local compression power can be avoided, and different shaped steel connection requirement can be applicable to reduce difficulty of processing and to reduce cost of production.
Following technical scheme is adopted for realizing above-mentioned utility model object:
Based on a thin-wall channel assembled house of BIM, comprise ground, column, crossbeam, wall, top board, door and window, the combination square steel that described column and crossbeam adopt in-flanges C-type steel or formed by symmetrical in-flanges C-type steel make-up; Between column and ground, between column and crossbeam, between adjacent beams, column or between crossbeam and cant beam, crossbeam or between cant beam and roof, and adjacent supports body intersection, adopt base connector or connecting connector or cross-connect are interconnected;
Described in-flanges C-type steel comprises web and wing plates on two sides, and wing plates on two sides edge is provided with aduncate in-flanges; Described combination square steel comprises in-flanges C-type steel and the inner supporting body of two make-ups; Described inner supporting body is at the inner side of two C-type steel joints of make-up coupling welding web, and arranges punching press or punching detent respectively at two C-type steel joint outer surfaces; The both sides side plate of two C-type steel joints aligns and there is gap, and each web is provided with outwardly open slot to make way in gap location; The both sides side plate of described in-flanges C-type steel is respectively arranged with in-flanges; In-flanges C-type steel is wrapped in outside inner supporting body and in-flanges coupling is inserted in corresponding resigning hole; Arrange rear pressure slot on in-flanges C-type steel surface, rear pressure slot coupling is sleeved in the detent of described punching press or punching; Outside in-flanges C-type steel, prick solid steel band makes in-flanges C-type steel and inner supporting body be fixed as one; Have draw-in groove in the arranged outside of described C-type steel joint, draw-in groove is arranged on the position corresponding with web, and steel band compressing in-flanges C-type steel local dent enters in draw-in groove;
Described base connector contains has sent out base and connector, and the described two ends to connecting connector are respectively provided with a connector, and described cross-connect is that at least two connectors are vertical or tilts to be fixed together; Described connector is the plug being welded with at least one level or inclination in the side of a C-type steel joint, plug is flute profile, the inner side of described C-type steel joint and oblique cutting head is at least at end position coupling welding web, and the outer surface of C-type steel joint and oblique cutting head arranges the detent of punching press or punching; Outwardly open slot to make way is provided with between the both sides side plate of each web and C-type steel joint or oblique cutting head; Have draw-in groove in the arranged outside of described C-type steel joint and oblique cutting head, draw-in groove is arranged on the position corresponding with web;
Record is carried out to the unique name of workpiece each in structural steelwork, unique spatial location, shape and material information BIM Information locating sheet; Comprise the BIM Information locating sheet record of the unique name to beam, post and each connector, unique spatial location, shape and material information; In work progress, BIM information scanning instrument is utilized to read the information that on each workpiece, BIM Information locating sheet comprises, to connection and the welding procedure of workpiece each in engineering.
The described BIM Information locating sheet recording method to beam, post: set up the BIM Information locating sheet to beam or post at the two ends, front of every root beam or post, left end BIM Information locating sheet A and right-hand member BIM Information locating sheet B is set up respectively in surveyor's beacon position, wherein, surveyor's beacon is positioned at BIM Information locating sheet center; Described left end BIM Information locating sheet A and right-hand member BIM Information locating sheet B comprises the unique name information record to beam or post, dimension information record, material information record, and this beam or column space positional information record, the name information record of the end member of this beam or post, each side of this beam or post is located by connecting the name information of plate and positional information record.
Described base connector or thin wall in-flanges C-type steel connector and two thin-walled in-flanges C-type steel connector are comprised to the connector of connecting connector or cross-connect.
Described pair of thin-walled in-flanges C-type steel connector is that at least end positions coupling welds web in the inner side of two C-type steel joints of a make-up, and arranges punching press or punching detent respectively at two C-type steel joint outer surfaces; The both sides side plate of two C-type steel joints aligns and there is gap, and each web is provided with outwardly open slot to make way in gap location; Have draw-in groove in the arranged outside of described C-type steel joint, draw-in groove is arranged on the position corresponding with web.
Described cross-connect comprises cross, T-shaped, K shape, L shape, V-arrangement or orthogonal three-dimensional coordinate shape.
Also comprising Steel Thin-Wall top and back beam connection, comprise upper and lower binding face and forward and backward web, there is slanted angle in upper binding face and lower binding face; The both sides of upper and lower binding face arrange side respectively, there is slot to make way between forward and backward web and described side; The detent of punching press or punching is set on surface, the both sides of upper and lower binding face; Have draw-in groove in the arranged outside of the dual-side of described upper and lower binding face, draw-in groove is arranged on the position corresponding with web.
Also comprise for squeezing out between in-flanges C-type steel and each connector web the edging machine that convex-concave is inlaid into structure.
Also comprise for in-flanges C-type steel being pressed the indenting machine entered in the draw-in groove of each connector.
Also comprise the baling press with being anchored on by steel band in in-flanges C-type steel and each connector draw-in groove.
Also comprise stair and fence.
Beneficial effect: in-flanges C-type steel can firmly be docked by the utility model fast, or is firmly docked fast by combination square steel.Connector is provided with web, and intensity is high, can be used as standard connector.In-flanges C-type steel is standard steel section, has five kinds of model in-flanges C-type steel, to adapt to different structure requirement of strength according to dimensional standard.The resigning hole arranged inside connector mutually fastens with the in-flanges of in-flanges C-type steel and together with being compressed in, reaches inside and outside nesting effect.The locating slot of connector arranged outside can mutually nested with in-flanges C-type steel convex-concave together with, then by fastener carry out compression fixing after, reach fixing and anti-slip effect.The utility model is simple and reasonable, there will not be local to be squeezed and damaging problem, can be reached the object of easy, efficient construction by banding steel band, do not need the processing steps such as welding or riveted joint, and bonding strength is high, not easily slippage.The lightening hole of coupling can also be provided with in the middle part of the part web of connector, further can alleviate the deadweight of this connector, thus the deadweight in house can be alleviated.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model assembled house;
Fig. 2 is the structural representation of base connector;
Fig. 3 is the structural representation of single channel-section steel to connecting connector;
Fig. 4 is that single channel-section steel is to connecting connector and in-flanges C-type steel syndeton schematic diagram;
Fig. 5 is the A-A cross-sectional view of Fig. 4;
Fig. 6 is the structural representation of double flute steel to connecting connector;
Fig. 7 is that double flute steel is to connecting connector and in-flanges C-type steel syndeton schematic diagram;
Fig. 8 is the B-B cross-sectional view of Fig. 7;
Fig. 9 is the combination square steel structural representation combined by counterpart two in-flanges C-type steel;
Figure 10 is the inner support cushion block structure schematic diagram of combination square steel;
Figure 11 is the perspective view of Figure 10;
Figure 12 is the structural representation of double flute steel cross connector;
Figure 13 is the structural representation of single channel-section steel beam column four-pass connecting joint;
Figure 14 is the structural representation of single channel-section steel beam column threeway connector;
Figure 15 is the structural representation of double flute beam-column threeway connector;
Figure 16 is the structural representation of the T-shaped connector of single channel-section steel;
Figure 17 is the structural representation of single channel-section steel L-type connector;
Figure 18 is the structural representation of double flute steel L-type connector;
Figure 19 is the structural representation of single channel-section steel ridge connector;
Figure 20 is the structural representation of single channel-section steel ridge and back timber connector;
Figure 21 is the structural representation of double flute steel ridge and back timber connector;
Figure 22 is the structural representation that single channel-section steel orthogonal six leads to joint;
Figure 23 is the structural representation that double flute steel orthogonal six leads to joint;
Figure 24 is the syndeton schematic diagram of eaves and beam;
Figure 25 is the structural representation of eaves and beam connector;
Figure 26 is the D-D cross-sectional view of Figure 24;
Figure 27 is ribs syndeton schematic diagram;
Figure 28 is one of structural representation of composite roof truss;
Figure 29 is the structural representation of interconnection head in Figure 28;
Figure 30 is the structural representation two of composite roof truss;
Figure 31 is the structural representation of interconnection head in Figure 30;
Figure 32 is the structural representation of inner supporting body in Figure 31.
In figure, label A1 is that single channel-section steel is to connecting connector, A2 is that double flute steel is to connecting connector, B is inner support cushion block, C is cross connector, D is single channel-section steel beam column four-pass connecting joint, E1 is single channel-section steel beam column threeway connector, E2 is double flute beam-column threeway connector, F is the T-shaped connector of single channel-section steel, G1 is single channel-section steel L-type connector, G2 is double flute steel L-type connector, H is single channel-section steel ridge connector, I1 is single channel-section steel ridge and back timber connector, I2 is double flute steel ridge and back timber connector, J1 is that single channel-section steel orthogonal six leads to joint, J2 is that double flute steel orthogonal six leads to joint, K is the connector of eaves and beam, L is diagonal cross connector, M1 is integral type K type connector, M2 is combined type K type connector, N is base connector.1 is in-flanges C-type steel, and 2 is the in-flanges of C-type steel, 3a and 3b is web, and 4 is slot to make way, and 5 is punching or punching press locating slot, and 6 is rear pressure slot, and 7 is base plate, and 8 is steel band, and 9 is reinforced company's fishplate bar.
Detailed description of the invention
See Fig. 1, the thin-wall channel assembled house based on BIM comprises ground, column, crossbeam, wall, top board, door and window, and the structure such as stair and fence.
The beam used based on the thin-wall channel assembled house of BIM or post adopt individual layer in-flanges C-type steel 1, and in-flanges C-type steel 1 comprises web and wing plates on two sides, and wing plates on two sides edge is provided with aduncate in-flanges 2.
Or the beam used or post adopt the combination square steel combined by two in-flanges C-type steel 1 make-ups.See Fig. 9, Figure 10 and Figure 11, combination square steel comprises in-flanges C-type steel 1 and the inner supporting body of two make-ups; Described inner supporting body is at the inner side of two C-type steel joints of make-up coupling welding web, and arranges punching press or punching detent respectively at two C-type steel joint outer surfaces; The both sides side plate of two C-type steel joints aligns and there is gap, and each web is provided with outwardly open slot to make way in gap location; The both sides side plate of described in-flanges C-type steel 1 is respectively arranged with in-flanges 2; In-flanges C-type steel 1 is wrapped in outside inner supporting body and in-flanges 2 mates and inserts in corresponding resigning hole; Arrange rear pressure slot on in-flanges C-type steel 1 surface, rear pressure slot coupling is sleeved in the detent of described punching press or punching; Outside in-flanges C-type steel 1, prick solid steel band makes in-flanges C-type steel 1 and inner supporting body be fixed as one; Have draw-in groove in the arranged outside of described C-type steel joint, draw-in groove is arranged on the position corresponding with web, and steel band compressing in-flanges C-type steel 1 local dent enters in draw-in groove.
See Fig. 2, ground is buried in underground, is docked between ground with each post by base connector.
See Figure 12-Figure 32, interconnected by interconnection head between Liang Yuzhu or between Liang Yuliang.Interconnection head comprises: cross connector, single channel-section steel beam column four-pass connecting joint, single channel-section steel beam column threeway connector, double flute beam-column threeway connector, the T-shaped connector of single channel-section steel, single channel-section steel orthogonal six leads to joint, double flute steel orthogonal six leads to joint, diagonal cross connector, integral type K type connector are connected first-class with combined type K type.
Connected as Figure 12 by cross connector between Liang Yuzhu or between Liang Yuliang, or connected as Figure 13 by single channel-section steel beam column four-pass connecting joint, or connected as Figure 14 by single channel-section steel beam column threeway connector, or connected as Figure 15 by double flute beam-column threeway connector, or connected as Figure 16 by the T-shaped connector of single channel-section steel, or lead to joint connection as Figure 22 by single channel-section steel orthogonal six, or lead to joint connection as Figure 23 by double flute steel orthogonal six, or connected as Figure 27 by diagonal cross connector, or connected as Figure 28 and Figure 29 by integral type K type connector, or connected as Figure 30 by combined type K type connector, Figure 31 and Figure 32.
Ridge adopts single channel-section steel ridge as Figure 19, or adopts ridge to be connected as Figure 20 with back timber connector, or adopts double flute steel ridge to be connected as Figure 21 with back timber connector.
Eaves or employing eaves are connected as Figure 24, Figure 25 and Figure 26 with the connector of beam.
Between Liang Yuliang, between post and post, the connector of prolongation can also be adopted, namely adopt single channel-section steel to connecting connector as Fig. 3-Fig. 5, or adopt double flute steel to connect as Fig. 6-Fig. 9 connecting connector.
Base connector, interconnection head, docking connector, ridge connector are connected first-class with eaves, be provided with the joint containing C-type steel and web composition, concrete structure is: the C-type steel joint of a C-type steel joint or two make-ups.At one or two C-type steel joint outer surface, punching press or punching detent are set respectively.During two C-type steel joints, both sides side plate aligns and there is gap, and each web is provided with outwardly open slot to make way in gap location.In-flanges C-type steel 1 is wrapped in outside one or two C-type steel joint and in-flanges 2 mates and inserts in corresponding resigning hole.Arrange rear pressure slot on the surface of C-type steel joint, rear pressure slot coupling is sleeved in the detent of described punching press or punching; Outside in-flanges C-type steel 1, prick solid steel band makes in-flanges C-type steel 1 and one or two C-type steel joint be fixed as one; Have draw-in groove in the arranged outside of described C-type steel joint, draw-in groove is arranged on the position corresponding with web, and steel band compressing in-flanges C-type steel 1 local dent enters in draw-in groove.
Described base connector contains base and connector, and the described two ends to connecting connector are respectively provided with a connector, and described cross-connect is that at least two connectors are vertical or tilts to be fixed together; Described connector is the plug being welded with at least one level or inclination in the side of a C-type steel joint, plug is flute profile, the inner side of described C-type steel joint and oblique cutting head is at least at end position coupling welding web, and the outer surface of C-type steel joint and oblique cutting head arranges the detent of punching press or punching; Outwardly open slot to make way is provided with between the both sides side plate of each web and C-type steel joint or oblique cutting head; Have draw-in groove in the arranged outside of described C-type steel joint and oblique cutting head, draw-in groove is arranged on the position corresponding with web.
Record is carried out to the unique name of workpiece each in structural steelwork, unique spatial location, shape and material information BIM Information locating sheet; Comprise the BIM Information locating sheet record of the unique name to beam, post and each connector, unique spatial location, shape and material information; In work progress, BIM information scanning instrument is utilized to read the information that on each workpiece, BIM Information locating sheet comprises, to connection and the welding procedure of workpiece each in engineering.The dock connector A1 of thin wall in-flanges C-type steel 1, see Fig. 4.This connector is the end positions inside a C-type steel joint, respectively coupling welding web, and arranges the detent of punching at C-type steel joint outer surface; Outwardly open slot to make way 4 is provided with between the both sides side plate of each web and C-type steel joint.And have draw-in groove 7 in the arranged outside of C-type steel joint, and draw-in groove 7 is arranged on the position corresponding with web.The lightening hole of coupling can also be provided with in the middle part of the web of connector, further can alleviate the deadweight of this connector, thus the deadweight in house can be alleviated.
Claims (9)
1. based on a thin-wall channel assembled house of BIM, comprise ground, column, crossbeam, wall, top board, door and window, it is characterized in that: the combination square steel that described column and crossbeam adopt in-flanges C-type steel or formed by symmetrical in-flanges C-type steel make-up; Between column and ground, between column and crossbeam, between adjacent beams, column or between crossbeam and cant beam, crossbeam or between cant beam and roof, and adjacent supports body intersection, adopt base connector or connecting connector or cross-connect are interconnected;
Described in-flanges C-type steel comprises web and wing plates on two sides, and wing plates on two sides edge is provided with aduncate in-flanges; Described combination square steel comprises in-flanges C-type steel and the inner supporting body of two make-ups; Described inner supporting body is at the inner side of two C-type steel joints of make-up coupling welding web, and arranges punching press or punching detent respectively at two C-type steel joint outer surfaces; The both sides side plate of two C-type steel joints aligns and there is gap, and each web is provided with outwardly open slot to make way in gap location; The both sides side plate of described in-flanges C-type steel is respectively arranged with in-flanges; In-flanges C-type steel is wrapped in outside inner supporting body and in-flanges coupling is inserted in corresponding resigning hole; Arrange rear pressure slot on in-flanges C-type steel surface, rear pressure slot coupling is sleeved in the detent of described punching press or punching; Outside in-flanges C-type steel, prick solid steel band makes in-flanges C-type steel and inner supporting body be fixed as one; Have draw-in groove in the arranged outside of described C-type steel joint, draw-in groove is arranged on the position corresponding with web, and steel band compressing in-flanges C-type steel local dent enters in draw-in groove;
Described base connector contains has sent out base and connector, and the described two ends to connecting connector are respectively provided with a connector, and described cross-connect is that at least two connectors are vertical or tilts to be fixed together; Described connector is the plug being welded with at least one level or inclination in the side of a C-type steel joint, plug is flute profile, the inner side of described C-type steel joint and oblique cutting head is at least at end position coupling welding web, and the outer surface of C-type steel joint and oblique cutting head arranges the detent of punching press or punching; Outwardly open slot to make way is provided with between the both sides side plate of each web and C-type steel joint or oblique cutting head; Have draw-in groove in the arranged outside of described C-type steel joint and oblique cutting head, draw-in groove is arranged on the position corresponding with web.
2. the thin-wall channel assembled house based on BIM according to claim 1, is characterized in that: described base connector or the connector to connecting connector or cross-connect comprise thin wall in-flanges C-type steel connector and two thin-walled in-flanges C-type steel connector.
3. the thin-wall channel assembled house based on BIM according to claim 2, it is characterized in that: described pair of thin-walled in-flanges C-type steel connector is that at least end positions coupling welds web in the inner side of two C-type steel joints of a make-up, and arranges punching press or punching detent respectively at two C-type steel joint outer surfaces; The both sides side plate of two C-type steel joints aligns and there is gap, and each web is provided with outwardly open slot to make way in gap location; Have draw-in groove in the arranged outside of described C-type steel joint, draw-in groove is arranged on the position corresponding with web.
4. the thin-wall channel assembled house based on BIM according to claim 1, is characterized in that: described cross-connect comprises cross, T-shaped, K shape, L shape, V-arrangement or orthogonal three-dimensional coordinate shape.
5. the thin-wall channel assembled house based on BIM according to claim 1, is characterized in that: also comprise Steel Thin-Wall top and back beam connection, comprises upper and lower binding face and forward and backward web, upper binding face and lower binding face exist slanted angle; The both sides of upper and lower binding face arrange side respectively, there is slot to make way between forward and backward web and described side; The detent of punching press or punching is set on surface, the both sides of upper and lower binding face; Have draw-in groove in the arranged outside of the dual-side of described upper and lower binding face, draw-in groove is arranged on the position corresponding with web.
6. the thin-wall channel assembled house based on BIM according to claim 1, is characterized in that: also comprise for squeezing out between in-flanges C-type steel and each connector web the edging machine that convex-concave is inlaid into structure.
7. the thin-wall channel assembled house based on BIM according to claim 1, is characterized in that: also comprise for in-flanges C-type steel being pressed the indenting machine entered in the draw-in groove of each connector.
8. the thin-wall channel assembled house based on BIM according to claim 1, is characterized in that: also comprise the baling press with being anchored on by steel band in in-flanges C-type steel and each connector draw-in groove.
9. the thin-wall channel assembled house based on BIM according to claim 1, is characterized in that: also comprise stair and fence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645248.3U CN205189127U (en) | 2015-08-25 | 2015-08-25 | Thin -wall channel combination house based on BIM |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645248.3U CN205189127U (en) | 2015-08-25 | 2015-08-25 | Thin -wall channel combination house based on BIM |
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| Publication Number | Publication Date |
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| CN205189127U true CN205189127U (en) | 2016-04-27 |
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| CN201520645248.3U Expired - Fee Related CN205189127U (en) | 2015-08-25 | 2015-08-25 | Thin -wall channel combination house based on BIM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138157A (en) * | 2017-06-16 | 2019-01-04 | 河南天丰钢结构建设有限公司 | A kind of steel construction boundling combined member |
-
2015
- 2015-08-25 CN CN201520645248.3U patent/CN205189127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138157A (en) * | 2017-06-16 | 2019-01-04 | 河南天丰钢结构建设有限公司 | A kind of steel construction boundling combined member |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20210825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |