CN208884706U - Support construction for steel construction low-rise building - Google Patents
Support construction for steel construction low-rise building Download PDFInfo
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- CN208884706U CN208884706U CN201821373041.5U CN201821373041U CN208884706U CN 208884706 U CN208884706 U CN 208884706U CN 201821373041 U CN201821373041 U CN 201821373041U CN 208884706 U CN208884706 U CN 208884706U
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Abstract
The utility model discloses the support constructions for steel construction low-rise building, including column, girder steel (3), the column includes frame column (1), swing column (2), it is characterized in that, it is fixedly connected between two neighbouring frame columns (1) by node connector, the node connector includes bottom plate (4), top plate (5) and several pieces of connecting plates (6), component miniaturization, convenient for the installation in no construction machinery area.
Description
Technical field
The utility model relates to field of steel structure, and in particular to the support construction for steel construction low-rise building.
Background technique
For steel building compares traditional concrete construction, with steel plate or fashioned iron instead of armored concrete, intensity
Higher, shock resistance is more preferable.And since component can be made with batch production, in-site installation, thus greatly reduce the duration.Due to steel
It is reusable, building waste can be greatly reduced, it is more environmentally protective, thus be widely used by countries in the world, apply
In industrial building and civil buildings.At present steel building it is high-rise, on super high-rise building with increasingly mature.But low
But there is more problem in only house in floor:
, mainly there is tradition in low layer (3 floor are following) only house of steel construction in the prior art, such as new countryside construction room
Steel frame and light gauge cold-formed steel shape two schemes, two schemes are respectively present following problems: one, steel frame there are the problem of:
Be unable to satisfy upper two demands of building: 1, house type needs flexible topology 2, indoor-bollard that cannot protrude wall.And on structure stress
Feature causes low-rise dwelling lateral force to play control action, such as using traditional steel-frame structure, is made of frame column and Vierendeel girder anti-
The frame of side force, it may be desirable to which biggish column section, economy are poor.Two, light gauge cold-formed steel shape system there are the problem of: need with
There is empty texture in use, with China resident in the maintenance system that light gauge steel structure matches --- i.e. sandwich type wall panel system
Living habit have very big conflict, at present carry out get up to be difficult to be received.
Utility model content
The purpose of this utility model is to provide the support constructions for steel construction low-rise building, to solve in the prior art
Low layer steel building needs big section column, carries out difficult problem, realizes and reduces steel column section, avoids that steel column is exposed, drop
Low cost, the purpose for increasing installation speed.
The utility model is achieved through the following technical solutions:
For the support construction of steel construction low-rise building, including column, girder steel, the column includes frame column, swing column,
Be fixedly connected between two neighbouring frame columns by node connector, the node connector include bottom plate, top plate, with
And several pieces of connecting plates, several first threaded holes are set on top plate, the bottom of the connecting plate is fixed on bottom plate, the connection
It is fixed on top plate at the top of plate, the second threaded hole is set on connecting plate, the bottom plate is fixed on the frame below node connector
The top of trestle, the bottom of the frame column above node connector are arranged mounting plate, are embedded nut on the mounting plate, institute
The nut stated on mounting plate matches with the first threaded hole on corresponding top plate, node connector by top plate, by bolt with
The frame column being located above is fixedly connected；The girder steel is I-steel, and two side wing edges of the I-steel are distributed up and down, I-steel
Web between two side wing edges, web end be arranged third threaded hole, the third threaded hole and the second threaded hole are one by one
It is corresponding, by the second threaded hole, the third threaded hole that are mutually matched between node connector and girder steel, it is attached by bolt；
It further include the vertical supports in X-type, the both ends of the vertical supports are individually fixed in adjacent two root posts.
Big section column is needed for low layer steel building in the prior art, carries out difficult problem, the utility model
It is proposed the support construction for being used for steel construction low-rise building, central post includes frame column and swing column, and node connector is for connecting
Two neighbouring frame columns are connect, while being also used for connection framework column and girder steel.Node connector include bottom plate, top plate, with
And several pieces of connecting plates, for connecting with the frame column of lower section, top plate connects insole board for connecting with the frame column of top
Plate with girder steel for connecting.Node connector is fixedly connected by bottom plate with the top of Frame Column Under, is Frame Column Under and section
Point connector is connected as overall structure in factory, only need to directly use at the scene, avoiding also needs temporarily to connect at the scene
The cumbersome process of node connector and Frame Column Under.The connection structure of node connector and upper box trestle are as follows: node connector
The bottom of the frame column of top is arranged mounting plate, embedded nut on mounting plate, the first threaded hole on the top plate of node connector
Match with the nut on mounting plate, through adaptable bolt under in the first threaded hole on the top plate of node connector certainly
And upper insertion bolt, screw in bolt in the nut on mounting plate, to realize between node connector and upper box trestle
Connection.The connection structure of node connector and girder steel are as follows: so that the web of I-steel with connect plate surface and mutually recline, connecting plate
Third threaded hole face one by one on the second threaded hole of upper setting and I-steel end web passes through bolt is inserted into face second
In threaded hole, third threaded hole, bolt length is less than I-steel flange width.Further include in X-type vertical supports, institute
The both ends for stating vertical supports are individually fixed in adjacent two root posts, be vertical supports be not limited to specific which two it is vertical
On column, vertical supports, any two adjacent columnss can be set between any two adjacent columnss according to the design needs
It can be frame column and frame column, frame column and swing column, swing column and swing column, foundation be designed as with mechanics completely and is set
It sets.Vertical supports are in X-type, and upper load is transmitted downwards by vertical supports.Constructed by traditional steel building
In mechanical system, column is needed to resist the active force of horizontal direction, such as earthquake, external interference bring active force, and for
For low-rise building, the load that the active force of horizontal direction is relatively large, vertical is relatively small, therefore which results in existing skills
Low layer steel building requires the very big steel in section as column in art.And pass through the vertical supports of X-type in the application
Component has played new mechanical system, when horizontal applied force is transferred to this structure, is tilted its merogenesis by the vertical supports of X-type
Downward pressure is supported by the vertical supports of X-type undertakes completely with the pulling force tilted upward, horizontal applied force, and column is only
Vertical force is only undertaken, and the vertical force of low layer steel building is inherently smaller, therefore the column in the application can be selected more
The column of small bore.Further, since mounting plate top nut is embedded structure, so that connecting plate and bolt are without departing from beam at node
It is exposed unsightly to solve traditional steel structure node so that the not prominent maintenance component of node and inside and outside are decorated for column profile
The problem of.This programme can be realized without using sandwich type wall panel system using conventional maintenance system, therefore also solve existing skill
Light gauge cold-formed steel shape system is difficult to the problem being widely applied in China in art.
The bottom end of the column of the bottom connects load-bearing part, and the load-bearing part includes the support being fixedly connected with column bottom end
Body and it is fixed on expansion bottom plate in supporter bottom, several mounting holes are set on the expansion bottom plate, the mounting hole
There is spacing between upper end and the bottom end of corresponding column.The column of the bottom in this programme includes the frame of the bottom
Column and swing column.The frame column and swing column of the bottom all pass through load-bearing part and are attached with concrete foundation, expand on bottom plate
Mounting hole provide installation station for pre-buried anchor bolt so that the column of the bottom is connect with cast-in fixing bolt.Supporter is used
In the bottom end for propping up column, so that there is spacing, consequently facilitating by pre- between the upper end of mounting hole and the bottom end of corresponding column
It buries anchor bolt to be fixed after mounting hole by nut etc., while easily by adjusting each nut expanded above bottom plate
The verticality of tightness, column is adjusted.
Preferably, the supporter includes loading plate and four blocks of steel plates, the fixed company in the bottom end of the loading plate and column
It connects, four blocks of steel plates are in cross distribution, and one end of four blocks of steel plates is fixedly connected with expansion bottom plate, the other end and loading plate are solid
Fixed connection.By four blocks of steel plates of cross distribution, the region between loading plate and expansion bottom plate is divided into four parts, similar four
The space structure of a quadrant, so that mounting hole is independently distributed in each quadrant, more accurate realization column verticality
It adjusts.
Preferably, further include be arranged in it is horizontally-supported between girder steel.By horizontally-supported this structure of raising to horizontal force
Resistivity.It is horizontally-supported to use the support fashioned iron being connected between girder steel.
Two side wing edges of the girder steel open up the 4th threaded hole, and the bottom of the swing column above girder steel is located at steel
It is also provided with mounting plate at the top of swing column below beam, nut, the nut and the 4th threaded hole one are embedded on the mounting plate
One is corresponding, by the nut, the 4th threaded hole that are mutually matched between girder steel and swing column, is attached by bolt.This programme is
Connection between swing column and girder steel provides specific refinement scheme, so that the connection bolt of swing column and girder steel is without departing from beam column
It is exposed not to further solve traditional steel structure node so that the not prominent maintenance component of node and inside and outside are decorated for profile
Beautiful problem.
Several circular holes, the Circularhole diameter >=100mm are equidistantly opened up on the web of the girder steel along long axis direction.With
Lead to equipment installation in water supply electric heating to pass through.
In addition, lower flange can also open bolt hole on girder steel, as maintenance assembly standard connection position.It can connect including dimension
Skirting, light steel roof truss, doorframe, window frame connection, ceiling joist connection, the horizontally-supported connection of flooring etc..
The installation method of support construction for steel construction low-rise building, which comprises the following steps:
(a) according to the quantity of required vertical supports and position, the column of prefabricated band vertical supports in advance；In frame column
The one end being connected with node connector is needed to set mounting plate；The one end being connected with girder steel is needed to set installation in swing column
Plate；
(b) frame column for installing the bottom adjusts the frame column of the bottom to vertical, installs at the top of each frame column
Node connector；
(c) first floor girder steel is installed, the end of girder steel is made to be connected with node connector；The swing column of the bottom is installed later,
The top of the swing column of the bottom is bolted with girder steel；
(d) next layer of frame column is installed from bottom to top, the bottom of next layer of frame column is made to be connected with node connector；Installation
The end of next layer of girder steel, girder steel is connected with the node connector in this layer；The swing column for installing next layer again, makes in this layer
The top flange connection of the bottom end of the swing column girder steel of preceding layer therewith, under the top of swing column and the girder steel of this layer in this layer
Edge of a wing connection；
(e) step (d) is repeated, until completing installation.
This programme successively completes the frame installation to low layer steel building from bottom to top, and first choice installation is the bottom
Frame column installs first floor girder steel later, then installs the swing column of the bottom, completes the installation of bottom.Later from bottom to top successively
It is installed upwards, every layer of erection sequence is all followed successively by frame column, girder steel, swing column.
For the installation method of steel construction low-rise building, the installation method of the bottom end of the column of the bottom are as follows:
(A) load-bearing part is connected in the column bottom end of the bottom in advance, the load-bearing part includes holding with what column bottom end was fixed
Support plate, four blocks of steel plates, the expansion bottom plate connecting with four pieces of Interal fixations, four blocks of steel plates are in cross distribution；
(B) it will be enlarged by bottom plate to be attached with column bolt pre-buried in concrete foundation, so that pre-buried column bolt
Across the mounting hole expanded on bottom plate；
(C) it is arranged nut on the column bolt for passing through mounting hole, by the elastic tune for expanding all nuts on bottom plate
It is whole, the column of the bottom is adjusted to vertical.
The utility model compared with prior art, has the following advantages and benefits:
1, steel-frame structure is improved, steel column section is greatly reduced, indoor dew column is solved and is unfavorable for asking for building processing
Topic；Horizontal force (such as geological process) is undertaken by support completely, and column only undertakes vertical force, brings very economical steel using amount.
2, component full bolt assembly, and reserved modular assembly hole location, using Integration Design thinking by main structure as
It is complete to reach main body steel construction, detachable roof truss, maintenance wall floor, built-in partial component for the basis of maintenance and decorations
It is bolted.
3, unique design of node is realized by node connector, compared with conventional node, can guarantee connecting plate at node
And bolt solves traditional steel knot so that the not prominent maintenance component of node and inside and outside are decorated without departing from beam column profile
The exposed inaesthetic problem of structure node.
4, completely new structural system brings the miniaturization of component, and beam goes out to interrupt in frame column, and frame column is in building point
Interrupted at layer, swing column is interrupted in Liang Chu, column on the basis of positioning controlled by cast-in fixing bolt, enable single beam column construction weight
Enough basic control is within 50kg, convenient for the installation in no construction machinery area.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the elevation of the utility model specific embodiment；
Fig. 2 is the structural schematic diagram of the utility model specific embodiment；
Fig. 3 is the explosive view of the utility model specific embodiment；
Fig. 4 is the partial enlarged view in Fig. 3 at A；
Fig. 5 is the partial enlarged view in Fig. 3 at B；
Fig. 6 is the partial enlarged view in Fig. 3 at C；
Fig. 7 is the top view of the utility model specific embodiment.
Label and corresponding parts title in attached drawing:
1- frame column, 2- swing column, 3- girder steel, 4- bottom plate, 5- top plate, 6- connecting plate, the second threaded hole of 7-, 8- installation
Plate, 9- nut, 10- third threaded hole, 11- vertical supports, 12- supporter, 13- expand bottom plate, 14- mounting hole, 15- carrying
Plate, the 4th threaded hole of 16-, 17- circular hole, the first threaded hole of 18-, 19- are horizontally-supported.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1:
For the support construction of steel construction low-rise building, as shown in Figures 1 to 7, including column, girder steel 3, the column packet
Frame column 1, swing column 2 are included, is fixedly connected between two neighbouring frame columns 1 by node connector, the node connects
Fitting includes bottom plate 4, top plate 5 and several pieces of connecting plates 6, and several first threaded holes 18, the connecting plate 6 are arranged on top plate 5
Bottom be fixed on bottom plate 4, the top of the connecting plate 6 is fixed on top plate 5, the second threaded hole 7 is set on connecting plate 6,
The bottom plate 4 is fixed on the top of the frame column 1 below node connector, the bottom of the frame column 1 above node connector
Mounting plate 8 is arranged in portion, is embedded nut 9 on the mounting plate 8, the nut 9 on the mounting plate 8 and the on corresponding top plate 5
One threaded hole 18 matches, and node connector is fixedly connected by bolt with the frame column 1 being located above by top plate 5；The steel
Beam 3 is I-steel, and two side wing edges of the I-steel are distributed up and down, and the web of I-steel is between two side wing edges, web end
Portion is arranged third threaded hole 10, the third threaded hole 10 and the second threaded hole 7 one-to-one correspondence, node connector and girder steel 3 it
Between by the second threaded hole 7, the third threaded hole 10 that are mutually matched, be attached by bolt；It further include the longitudinal bracing in X-type
The both ends of part 11, the vertical supports 11 are individually fixed in adjacent two root posts.
Embodiment 2:
For the support construction of steel construction low-rise building, on the basis of embodiment 1, the bottom end of the column of the bottom is connected
Load-bearing part, the load-bearing part include the supporter 12 being fixedly connected with column bottom end and are fixed in 12 bottom of supporter
Expand bottom plate 13, several mounting holes 14 are set on the expansion bottom plate 13, the upper end of the mounting hole 14 and corresponding column
There is spacing between bottom end.The supporter 12 includes loading plate 15 and four blocks of steel plates, the bottom of the loading plate 15 and column
End is fixedly connected, and four blocks of steel plates are in cross distribution, and one end of four blocks of steel plates is fixedly connected with expansion bottom plate 13, the other end
It is fixedly connected with loading plate 15.Further include be arranged in it is horizontally-supported between girder steel 3.Two side wing edges of the girder steel 3 open up
4th threaded hole 16, the bottom of the swing column 2 above girder steel 3 are also provided with positioned at the top of the swing column 2 of 3 lower section of girder steel
Mounting plate 8 is embedded nut 9 on the mounting plate 8, and the nut 9 and the 4th threaded hole 16 correspond, girder steel 3 and swing column 2
Between by the nut 9, the 4th threaded hole 16 that are mutually matched, be attached by bolt.Along long axis on the web of the girder steel 3
Direction equidistantly opens up several circular holes 17, and 17 diameter of circular hole is 100mm.It can connect including safeguarding wallboard, light steel roof truss, door
Sash connection, ceiling joist connection, the horizontally-supported connection of flooring etc..
The installation method of the present embodiment the following steps are included:
(a) according to the quantity of required vertical supports 11 and position, the column of prefabricated band vertical supports 11 in advance；In frame
Trestle 1 needs the one end being connected with node connector to set mounting plate 8；The one end being connected with girder steel 3 is needed to set in swing column 2
Mounting plate 8 is set；
(b) frame column 1 for installing the bottom adjusts the frame column 1 of the bottom to vertical, at the top of each frame column 1
Node connector is installed；
(c) first floor girder steel 3 is installed, the end of girder steel 3 is made to be connected with node connector；The swing column of the bottom is installed later
2, the top of the swing column 2 of the bottom is bolted with girder steel 3；
(d) next layer of frame column is installed from bottom to top, the bottom of next layer of frame column is made to be connected with node connector；Installation
The end of next layer of girder steel, girder steel is connected with the node connector in this layer；The swing column for installing next layer again, makes in this layer
The top flange connection of the bottom end of the swing column girder steel of preceding layer therewith, under the top of swing column and the girder steel of this layer in this layer
Edge of a wing connection；
(d) step (d) is repeated, until completing installation.
Embodiment more preferably, the installation method of the bottom end of the column of the bottom are as follows:
(A) load-bearing part is connected in the column bottom end of the bottom in advance, the load-bearing part includes holding with what column bottom end was fixed
Support plate 15, four blocks of steel plates, the expansion bottom plate 13 that is connect with four pieces of Interal fixations, four blocks of steel plates are in cross distribution；
(B) it will be enlarged by bottom plate 13 to be attached with column bolt pre-buried in concrete foundation, so that pre-buried suspension column spiral shell
Bolt passes through the mounting hole 14 expanded on bottom plate 13；
(C) it is arranged nut on the column bolt for passing through mounting hole 14, by the pine for expanding all nuts on bottom plate 13
Tight adjustment adjusts the column of the bottom to vertical.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. being used for the support construction of steel construction low-rise building, including column, girder steel (3), the column include frame column (1), shake
It puts column (2), which is characterized in that be fixedly connected between two neighbouring frame columns (1) by node connector, the node
Connector includes bottom plate (4), top plate (5) and several pieces of connecting plates (6), and several first threaded holes are arranged on top plate (5)
(18), the bottom of the connecting plate (6) is fixed on bottom plate (4), is fixed on top plate (5) at the top of the connecting plate (6), even
It is arranged on fishplate bar (6) the second threaded hole (7), the bottom plate (4) is fixed on the top of the frame column (1) below node connector,
Mounting plate (8) are arranged in the bottom of frame column (1) above node connector, are embedded nut (9) on the mounting plate (8),
Nut (9) on the mounting plate (8) matches with the first threaded hole (18) on corresponding top plate (5), and node connector is logical
Top plate (5) are crossed, are fixedly connected by bolt with the frame column (1) being located above；The girder steel (3) is I-steel, the I-steel
Two side wing edges up and down be distributed, the web of I-steel positioned at two side wing edges between, web end setting third threaded hole (10), institute
It states third threaded hole (10) and the second threaded hole (7) to correspond, by being mutually matched between node connector and girder steel (3)
Second threaded hole (7), third threaded hole (10), are attached by bolt；It further include the vertical supports (11) in X-type, it is described
The both ends of vertical supports (11) are individually fixed in adjacent two root posts.
2. the support construction according to claim 1 for steel construction low-rise building, which is characterized in that the column of the bottom
Bottom end connect load-bearing part, the load-bearing part includes the supporter (12) being fixedly connected with column bottom end and is fixed on support
The expansion bottom plate (13) of body (12) bottom is arranged several mounting holes (14) on the expansion bottom plate (13), the mounting hole (14)
Upper end and the bottom end of corresponding column between have spacing.
3. the support construction according to claim 2 for steel construction low-rise building, which is characterized in that the supporter
It (12) include loading plate (15) and four blocks of steel plates, the loading plate (15) is fixedly connected with the bottom end of column, four blocks of steel
Plate is in cross distribution, and one end of four blocks of steel plates is fixedly connected with expansion bottom plate (13), the other end and loading plate (15) are fixed connects
It connects.
4. the support construction according to claim 1 for steel construction low-rise building, which is characterized in that further include that setting exists
Horizontally-supported (19) between girder steel (3).
5. the support construction according to claim 1 for steel construction low-rise building, which is characterized in that the girder steel (3)
Two side wing edges open up the 4th threaded hole (16), be located at girder steel (3) above swing column (2) bottom, be located at girder steel (3) under
It is also provided with mounting plate (8) at the top of the swing column (2) of side, is embedded nut (9) on the mounting plate (8), the nut (9) and the
Four threaded holes (16) correspond, nut (9), the 4th threaded hole between girder steel (3) and swing column (2) by being mutually matched
(16), it is attached by bolt.
6. the support construction according to claim 1 for steel construction low-rise building, which is characterized in that the girder steel (3)
Web on equidistantly opened up along long axis direction several circular holes (17), circular hole (17) diameter >=100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373041.5U CN208884706U (en) | 2018-08-24 | 2018-08-24 | Support construction for steel construction low-rise building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373041.5U CN208884706U (en) | 2018-08-24 | 2018-08-24 | Support construction for steel construction low-rise building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208884706U true CN208884706U (en) | 2019-05-21 |
Family
ID=66509832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821373041.5U Expired - Fee Related CN208884706U (en) | 2018-08-24 | 2018-08-24 | Support construction for steel construction low-rise building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208884706U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824635A (en) * | 2018-08-24 | 2018-11-16 | 四川省建筑科学研究院 | Support construction and its installation method for steel construction low-rise building |
| CN111851740A (en) * | 2020-08-24 | 2020-10-30 | 汉尔姆建筑科技有限公司 | Supporting component of steel structure |
-
2018
- 2018-08-24 CN CN201821373041.5U patent/CN208884706U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824635A (en) * | 2018-08-24 | 2018-11-16 | 四川省建筑科学研究院 | Support construction and its installation method for steel construction low-rise building |
| CN111851740A (en) * | 2020-08-24 | 2020-10-30 | 汉尔姆建筑科技有限公司 | Supporting component of steel structure |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Patentee after: SICHUAN INSTITUTE OF BUILDING RESEARCH Co.,Ltd. Address before: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Patentee before: SICHUAN INSITITUTE OF BUILDING RESEARCH |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200619 Address after: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Co-patentee after: Wei Mingyu Patentee after: SICHUAN INSTITUTE OF BUILDING RESEARCH Co.,Ltd. Co-patentee after: Li Keran Co-patentee after: Jia Bin Address before: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Patentee before: SICHUAN INSTITUTE OF BUILDING RESEARCH Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |