CN214657748U - Anchor-clamping connection prefabricated steel reinforced concrete frame - Google Patents
Anchor-clamping connection prefabricated steel reinforced concrete frame Download PDFInfo
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- CN214657748U CN214657748U CN202022857225.2U CN202022857225U CN214657748U CN 214657748 U CN214657748 U CN 214657748U CN 202022857225 U CN202022857225 U CN 202022857225U CN 214657748 U CN214657748 U CN 214657748U
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Abstract
The utility model discloses a prefabricated shaped steel concrete frame is connected to card anchor, including frame post, frame roof beam and card anchor connecting piece, wherein: the frame beam is fixed on the top of the frame column through the anchor clamping connecting piece, the frame column comprises a prefabricated outer cylinder, a plurality of longitudinal steel bars, frame column stirrups and a profile steel core column, the longitudinal steel bars are hooped and fixed by the frame column stirrups to form a steel bar frame, the profile steel core column is positioned in the center of the steel bar frame, the frame column longitudinal steel bars and the frame column stirrups surround the periphery of the profile steel core column, and the prefabricated outer cylinder is sleeved outside the frame column steel bar frame; the frame beam comprises a bottom steel bar, an upper steel bar and a frame beam stirrup, wherein the upper steel bar and the bottom steel bar are hooped into a whole through the frame beam stirrup.
Description
Technical Field
The utility model relates to a building engineering design, prefabricated component make, construction installation, especially relate to a prefabricated shaped steel concrete frame is connected to card anchor.
Background
At present, the joint connection difficulty of the prefabricated assembly type steel reinforced concrete frame is great, the main reason is that the traditional frame of the steel reinforced concrete frame column and the prefabricated frame beam, when the vertical steel bars in the frame column are many and the diameter of a single steel bar is large, the vertical steel bars of the frame column are generally connected by sleeve grouting, the prefabricated frame beam bottom steel bars are usually two or more layers and are very dense, the direct anchoring of the prefabricated frame beam bottom steel bars in the frame columns generally needs the anchoring length of 30-45 times of the diameter of the steel bars, for example, the anchoring length of a steel bar with the diameter of 25 mm is generally about 1 meter long, the steel bar at the bottom of the prefabricated frame beam needs to be bent in the frame column, and a plurality of prefabricated frame beam bottom steel bars in multiple directions cannot be anchored in the frame column, especially, the steel bar is arranged in the steel reinforced concrete frame column, so that the prefabricated frame beam bottom steel bar is blocked from penetrating into the frame column, and the prefabricated frame beam bottom steel bar cannot be effectively anchored in the frame column at all; the construction difficulty is very high by adopting a method of casting the beam column in the node area of the section steel concrete frame in a certain length range, the efficiency is far lower than that of a cast-in-place section steel frame structure, and the advantages of the assembled section steel concrete frame structure are completely lost. The problem results in that the prefabricated assembly type steel reinforced concrete frame structure in China can not be realized at present.
Therefore, the utility model provides a prefabricated shaped steel concrete frame is connected to reliable performance, the convenient card anchor of installation.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose of the utility model, the following technical scheme is adopted to realize:
the utility model provides a prefabricated shaped steel concrete frame is connected to card anchor, includes frame post, frame roof beam and connecting piece, wherein: the frame beam is fixed on the top of the frame column through a connecting piece, the frame column comprises a prefabricated outer cylinder, a plurality of longitudinal steel bars, frame column stirrups and a profile steel core column, the plurality of frame column longitudinal steel bars are hooped and fixed by the plurality of frame column stirrups to form a steel bar frame, the profile steel core column is positioned in the center of the steel bar frame, the frame column longitudinal steel bars and the frame column stirrups surround the periphery of the profile steel core column, and the prefabricated outer cylinder is sleeved outside the frame column steel bar frame; the frame beam comprises a bottom steel bar, an upper steel bar and a frame beam stirrup, wherein the upper steel bar and the bottom steel bar are hooped into a whole through the frame beam stirrup.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: the outer extending end of the reinforcing steel bar at the bottom of the frame beam is connected with the connecting piece in a welding mode into a whole, and the connecting piece is lapped on the frame column.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: the profile steel core column comprises a web plate with a cross-shaped cross section and a flange plate connected with the web plate, a profile steel core column clamping plate is arranged at the position where the outer side of the upper portion of the flange plate is matched and connected with the steel bars at the bottom of the frame beam, and a clamping groove is formed between the steel core column clamping plate and the flange plate.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: the space frame beam range enclosed by the profile steel core column flange plates and the profile steel core column web plates is respectively provided with 4 lower stiffening plates, 4 middle stiffening plates and 4 upper stiffening plates which are mutually connected with the profile steel core column flange plates and the profile steel core column web plates along the height direction, and the central intersection points of the lower stiffening plates, the middle stiffening plates and the upper stiffening plates and the profile steel core column web plates are provided with stiffening plate holes.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: the frame column further comprises a hoop in the core area, and the longitudinal steel bars of the frame column are hooped at the position, between the steel bars at the upper part of the frame beam and the steel bars at the bottom, of the hoop in the core area.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: the connecting piece comprises a lower plate, an end part clamping and anchoring plate and an upper vertical plate, wherein the vertical plate is fixed on the upper surface of the lower plate, one end of the lower plate is fixed with the end part clamping and anchoring plate, the upper end of the end part clamping and anchoring plate exceeds the upper surface of the lower plate for a certain distance, and the lower end of the end part clamping and anchoring plate exceeds the lower surface of the lower plate for a certain distance; the number of the vertical plates is one or two, and when the number of the vertical plates is two, the lower plate is provided with a gap between the two vertical plates.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: a plurality of bottom steel bars in the frame beam are welded on a lower plate and/or a vertical plate of a connecting piece, and the connecting piece is lapped on the top of the prefabricated outer cylinder of the frame column; and a steel bar in the middle of the side surface of the frame column penetrates through the lower plate of the connecting piece from the notch, and/or at least two bottom steel bars of the connecting plate which is widened out of the outer edge of the frame beam are directly inserted into the frame column and the web plate of the profile steel core column from the outer side of the connecting piece.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: the frame beam comprises a plurality of frame beams, the end part anchor clamping plate of the connecting piece is clamped into a clamping groove formed between the section steel core column clamping plate and the flange plate, and the end part anchor clamping plate and the section steel core column are clamped into a whole by the core hoop tube plate.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: and adhesive glue is filled in gaps among the end part clamp anchor plate, the core hoop tube plate and the section steel core column flange plate, and the upper edge of the end part clamp anchor plate, the upper edge of the core hoop tube plate and the section steel column flange plate are connected into a whole by welding.
The anchor block is connected with a prefabricated steel reinforced concrete frame, wherein: the joints of the frame columns and the frame beam columns are filled with concrete.
Drawings
FIG. 1 is a schematic plan view of a prefabricated steel reinforced concrete frame beam bottom steel bar connection by anchor clamping connection;
FIG. 2 is a schematic sectional view of a prefabricated steel reinforced concrete frame joint connected by clamping and anchoring;
FIG. 3 is a schematic plan view of a node of a section steel core column;
FIG. 4 is a schematic structural view of a reinforcing bar connecting plate at the bottom of a frame beam;
FIG. 5 is a schematic view of a welded connection structure of the frame beam bottom steel bars and the connecting plate;
fig. 6 is a schematic illustration of a core hoop mandrel structure.
Description of reference numerals: the steel bar anchor clamping structure comprises a frame column 1, a profile steel core column 2, a prefabricated frame beam 3, a steel bar anchor clamping connecting piece 4, a core hoop tube plate 5, a high-strength adhesive glue 6 and a welding seam 7 for connecting an end plate and the core hoop plate with the profile steel column; prefabricating a frame column outer cylinder 11, a frame column longitudinal steel bar 12, a frame column body inner stirrup 13 and a frame column joint core area inner stirrup 14; the method comprises the following steps of (1) forming a flange plate 21 of a steel section core column, a web plate 22 of the steel section core column, a clamping plate 23 of the steel section core column, a lower stiffening plate 24 of the steel section core column, a middle stiffening plate 25 of the steel section core column, an upper stiffening plate 26 of the steel section core column and holes 27 of the stiffening plates; frame beam bottom steel bars 31, beam bottom steel bars 311 directly anchored in the columns, beam bottom steel bars and connecting plate welded joints 32, frame beam stirrups 33 and frame beam upper steel bars 34; the lower plate 41 of the reinforcing steel bar connecting plate, the end part clamping anchor plate 42, the upper vertical plate 43 and the framework column reinforcing steel bar passing notch 44.
Detailed Description
The following describes in detail embodiments of the present invention with reference to fig. 1 to 6.
As shown in fig. 1, 2, 3 and 4, the clamp-anchor connection prefabricated steel reinforced concrete frame comprises a frame column 1, a prefabricated reinforced concrete frame beam 3, a frame beam bottom steel bar clamp-anchor connection part 4, a core hoop tube plate 5 and the like.
The frame column 1 comprises a prefabricated high-strength fiber concrete outer cylinder 11, a plurality of longitudinal steel bars 12 in the frame column, frame column inner stirrups 13, a section steel core column 2 and the like, the frame column outer cylinder 11 is manufactured in a factory, the plurality of frame column longitudinal steel bars 12 are hooped and fixed by the plurality of frame column stirrups 13, the frame column inner longitudinal steel bars 12 and the frame column inner stirrups 13 can be pre-processed into a finished product steel bar frame in the factory or bound into the steel bar frame in a construction site by adopting a conventional construction method, the frame column inner longitudinal steel bars 12 are higher than a final finished frame beam surface by a certain height according to a designed and appointed height, a common floor is generally higher than the final finished frame beam surface by 0.5-1 meter, the topmost layer is lower than the final finished frame beam surface by about 0.1 meter, the frame column inner section steel core column 2 is positioned in the center of the frame column, the frame column longitudinal steel bars 12 and the frame column stirrups 13 are surrounded on the periphery, and after the frame column inner section steel bar frame column and the steel bar frame are installed, and (3) hoisting the prefabricated frame column outer cylinder 11, sleeving the prefabricated frame column outer cylinder from the upper part, sleeving the prefabricated frame column outer cylinder outside the frame column reinforcing frame, and assembling the prefabricated frame column outer cylinder to complete the first-step work of the formed steel concrete frame column. The cross section of the outer cylinder 11 is rectangular or circular, etc.
The prefabricated frame beam 3 comprises a bottom steel bar 31 welded with the lower part of the frame beam and a connecting plate, a steel bar 311 directly anchored into the column at the bottom of the frame beam, a frame beam stirrup 33, prefabricated concrete of the frame beam and the like. When the frame beam bottom reinforcing steel bar is less, can not establish the reinforcing steel bar 311 in the direct anchor post in bottom, frame beam bottom reinforcing steel bar 31 can be the individual layer range, also can be two-layer range, and frame roof beam 3 includes many roof beam bottom reinforcing steel bar 31, many frame roof beam bottom reinforcing steel bar are cramped fixedly by a plurality of frame roof beam stirrup 33. The prefabricated frame beam 3 is prefabricated in a factory, and the steel bar 31 at the bottom of the prefabricated frame beam extends out of the prefabricated concrete of the frame beam for a certain length;
the frame beam bottom steel bar clamping and anchoring connecting piece 4 comprises a steel bar connecting piece lower plate 41, an end part clamping and anchoring plate 42 and an upper vertical plate 43, wherein one side of the steel bar connecting piece lower plate 41 connected with the prefabricated frame beam is provided with a frame column steel bar passing notch 44, and the outer extending end of the prefabricated frame beam bottom steel bar 31 and the frame beam bottom steel bar connecting piece 4 are connected into a whole through a welding connecting seam 32 formed by welding in a factory; and then the prefabricated frame column is transported to a construction site, and is hoisted and installed at the upper end of the assembled prefabricated frame column from the upper part, when the vertical steel bars of the frame column 1 are more, one longitudinal steel bar 12 in the middle of one side of the frame column just passes through the lower plate 41 of the frame beam bottom steel bar connecting piece from the steel bar of the frame column through the notch 44.
As shown in fig. 2 and 3, the steel core column 2 includes a web 22 with a cross-shaped cross section and a flange plate 21 connected to the web 22, a steel core clamping plate 23 is disposed at the height of the steel bars at the bottom of the prefabricated frame beam outside the flange plate 21, the steel core clamping plate 23 and the flange plate 21 form a clamping groove capable of clamping an end clamping anchor plate 42, and a frame node is disposed inside the steel core column along the height direction, specifically, the joint of the steel core clamping plate 23 and the flange plate 21, the welding seam 32 at the upper edge of the end clamping anchor plate 42 and the height of the steel bars at the top of the frame beam 34 are respectively provided with a lower stiffening plate 24, a middle stiffening plate 25 and an upper stiffening plate 26 of the horizontal steel core column connected to the steel core column flange plate and the steel core column web, the lower stiffening plate 24, the middle stiffening plate, the upper stiffening plate 25 and the frame beam top stiffening plate are 4 pieces, and are perpendicular to the web 22 and the flange plate 21, and the stiffening plates are mainly used for transmitting the horizontal force of the steel bars at the bottom of the frame beam 31, The horizontal force of the upper edge of the anchor clamping plate 42 and the node bearing force of the reinforced steel core column 2, and stiffening plate openings 27 are arranged at the intersection points of the stiffening plates 24, 25 and 26 and the center of the web plate of the steel core column, and are mainly used for facilitating concrete pouring and air exhaust.
As shown in fig. 4 and 5, the connecting member 4 includes a first connecting member on the left side in fig. 4 and a second connecting member on the right side, and the first connecting member is selected when the width of the frame beam is wide, the number of the bottom reinforcements is large, and the number of the side reinforcements of the frame column is large, and the second connecting member is selected when the width of the frame beam is narrow, the number of the bottom reinforcements is small, and the number of the side reinforcements of the frame column is small. Wherein: the first connecting member 4 includes a lower plate 41, a vertical plate 43, and an end portion anchor plate 42. Two vertical plates 43 are fixed (for example, welded) on the upper surface of the lower plate 41, the two vertical plates 43 are parallel to each other, a gap 44 is arranged between the two vertical plates 43, when the steel bars on the side surface of the frame column are more, one steel bar 12 in the middle of the frame column passes through the connecting piece lower plate 41 from the gap 44, one end of the connecting piece lower plate 41 is fixed (for example, welded) with an end clamping and anchoring plate 42, the upper end of the end clamping and anchoring plate 42 exceeds the upper surface of the lower plate 41 for a certain distance, and the lower end of the end clamping and anchoring plate exceeds the lower surface of the lower plate 41 for a certain distance. The second connecting piece comprises a lower plate 41, a vertical plate 43 and an end clamping and anchoring plate 42. An upright plate 43 is fixed (e.g., welded) on the upper surface of lower plate 41, and an end clamping and anchoring plate 42 is fixed (e.g., welded) on one end of lower plate 41, wherein the upper end of end clamping and anchoring plate 42 is a certain distance above the upper surface of lower plate 41, and the lower end thereof is a certain distance above the lower surface of lower plate 41.
The mounting structure between the frame beam 3 and the frame column 1 will be described with reference to fig. 1, 2, 3, and 5, wherein a plurality of bottom steel bars 31 in the frame beam 3 are welded on a lower plate 41 and/or a vertical plate 43 of a connector; the connecting plate is lapped on the top of the outer cylinder of the frame column 1, when the steel bars on the side surface of the frame column are more, one steel bar 12 in the middle of the connecting plate passes through the lower connecting plate 41 from the notch 44, and when the frame beam 3 is wider and the bottom steel bars are more, at least two bottom steel bars 311 on the outer edge of the frame beam 3 are directly inserted into the frame column 1 and the section steel core column 2 from the outer side of the connecting member 4.
The number of the installed precast frame beams 3 is multiple, the precast frame beams can be longitudinal and transverse multiple with an included angle of 90 degrees, or multiple with an included angle of other angles, the end clamping anchor plate 42 of the precast frame beam bottom steel bar connecting piece 4 is just clamped into the clamping groove formed by the steel core column clamping plate 23 and the profile steel core column flange plate 21, and then, the core hoop tube plate 5 is sleeved from the upper part of the section steel core column 2, the anchor clamping plate 42 at the end part of the prefabricated frame beam and the section steel core column 2 are hooped into a whole, and filling high-strength adhesive glue 6 preferably made of a finished grouting material or polymer cement mortar or a special finished structure adhesive into gaps among the end anchor clamping plate 42, the core hoop tube plate 5 and the section steel core column flange 21, and then connecting the upper edges of the anchor clamping plate 42 and the core hoop tube plate 5 with the section steel column flange 21 into a whole through a welding joint 32 formed by welding, as shown in fig. 1, and performing a second step of mounting the assembled steel concrete frame column beam.
And then, installing an inner stirrup 14 in the core area of the frame column node, sleeving the inner stirrup 14 into the longitudinal steel bar 12 of the frame column from the upper part and hooping the longitudinal steel bar 12 of the frame column, installing an upper steel bar 34 of the frame beam, hooping the upper steel bar, a bottom steel bar 31 and a steel bar 311 which is directly anchored into the column at the bottom of the frame beam into a whole through a frame beam stirrup 33, and pouring concrete in the third step after the inspection is qualified as shown in fig. 2 to form the final clamp-anchor connection type prefabricated steel concrete frame.
As shown in fig. 2 and 6, the cross section of the core hoop tube plate 5 is polygonal, the core hoop tube plate 5 is sleeved on the section steel core column 2, the anchor clamping plate 42 of the prefabricated beam 3 in each direction is clamped, the anchor clamping plate 42 at the end part of the prefabricated frame beam and the section steel core column 2 are clamped into a whole, high-strength adhesive 6 is filled and filled in the gap between the anchor clamping plate 42 at the end part, the core hoop tube plate 5 and the flange plate 21 of the section steel core column, and the upper edge of the core hoop tube plate 5 is welded and connected with the flange plate 21 of the section steel core column 2 and the upper edge of the anchor clamping plate 42.
The utility model discloses a frame post urceolus is prefabricated, install the shaped steel stem in the prefabricated urceolus, frame post reinforcing bar, frame beam bottom reinforcing bar and steel connecting plate welding, the steel connecting plate tip is equipped with the card anchor slab, it is whole to connect the interior tip card anchor slab hoop of steel spare through hoop barrel plate, again will connect steel board anchor slab and hoop slab and shaped steel post pterygoid lamina welded connection, thereby realize that prefabricated concrete frame beam bottom reinforcing bar and shaped steel concrete frame post are simple and direct to be connected, install interior stirrup of frame node and roof beam upper portion reinforcing bar again, form the prefabricated shaped steel concrete frame of the assembled that the wholeness is good in the pouring post and behind the post roof beam junction concrete. Because the profile steel core column is arranged, the bearing capacity is greatly increased compared with the traditional structure, and the requirement of a high-rise building structure can be met.
Claims (11)
1. The utility model provides a prefabricated shaped steel concrete frame is connected to card anchor, includes frame post, frame roof beam and connecting piece, its characterized in that: the frame beam is fixed on the top of the frame column through a connecting piece, the frame column comprises a prefabricated outer cylinder, a plurality of longitudinal steel bars, frame column stirrups and a profile steel core column, the plurality of longitudinal steel bars are hooped and fixed by the plurality of frame column stirrups to form a steel bar frame, the profile steel core column is positioned in the center of the steel bar frame, the frame column longitudinal steel bars and the frame column stirrups surround the periphery of the profile steel core column, and the prefabricated outer cylinder is sleeved outside the frame column steel bar frame; the frame beam comprises a bottom steel bar, an upper steel bar and a frame beam stirrup, wherein the upper steel bar and the bottom steel bar are hooped into a whole through the frame beam stirrup.
2. The clip anchor connection prefabricated steel reinforced concrete frame according to claim 1, wherein: the outer extending end of the reinforcing steel bar at the bottom of the frame beam is connected with the connecting piece in a welding mode into a whole, and the connecting piece is lapped on the frame column.
3. The clip anchor connection prefabricated steel reinforced concrete frame according to claim 2, wherein: the profile steel core column comprises a web plate with a cross-shaped cross section and a flange plate connected with the web plate, a profile steel core column clamping plate is arranged at the position where the outer side of the upper portion of the flange plate is matched and connected with the steel bars at the bottom of the frame beam, and a clamping groove is formed between the steel core column clamping plate and the flange plate.
4. The clip anchor connection prefabricated steel reinforced concrete frame according to claim 3, wherein: the space frame beam range enclosed by the profile steel core column flange plates and the profile steel core column web plates is respectively provided with 4 lower stiffening plates, 4 middle stiffening plates and 4 upper stiffening plates which are mutually connected with the profile steel core column flange plates and the profile steel core column web plates along the height direction, and the central intersection points of the lower stiffening plates, the middle stiffening plates and the upper stiffening plates and the profile steel core column web plates are provided with stiffening plate holes.
5. The clip anchor connection prefabricated steel reinforced concrete frame according to claim 4, wherein: the frame column further comprises a hoop in the core area, and the longitudinal steel bars of the frame column are hooped at the position, between the steel bars at the upper part of the frame beam and the steel bars at the bottom, of the hoop in the core area.
6. The clip anchor connection prefabricated steel reinforced concrete frame according to claim 2 or 3, wherein: the connecting piece comprises a lower plate, an end part clamping and anchoring plate and an upper vertical plate, wherein the vertical plate is fixed on the upper surface of the lower plate, one end of the lower plate is fixed with the end part clamping and anchoring plate, the upper end of the end part clamping and anchoring plate exceeds the upper surface of the lower plate for a certain distance, and the lower end of the end part clamping and anchoring plate exceeds the lower surface of the lower plate for a certain distance; the number of the vertical plates is one or two, and when the number of the vertical plates is two, the lower plate is provided with a gap between the two vertical plates.
7. The clip anchor connection prefabricated section steel concrete frame of claim 6, wherein: a plurality of bottom steel bars in the frame beam are welded on a lower plate and/or a vertical plate of a connecting piece, and the connecting piece is lapped on the top of the prefabricated outer cylinder of the frame column; and a steel bar in the middle of the side surface of the frame column penetrates through the lower plate of the connecting piece from the notch, and/or at least two bottom steel bars of the connecting plate which is widened out of the outer edge of the frame beam are directly inserted into the frame column and the web plate of the profile steel core column from the outer side of the connecting piece.
8. The clip anchor connection prefabricated steel reinforced concrete frame according to claim 7, wherein: the frame beam comprises a plurality of frame beams, the end part anchor clamping plate of the connecting piece is clamped into a clamping groove formed between the section steel core column clamping plate and the flange plate, and the end part anchor clamping plate and the section steel core column are clamped into a whole by the core hoop tube plate.
9. The clip anchor connection prefabricated steel reinforced concrete frame according to claim 8, wherein: and adhesive glue is filled in gaps among the end part clamp anchor plate, the core hoop tube plate and the section steel core column flange plate, and the upper edge of the end part clamp anchor plate, the upper edge of the core hoop tube plate and the section steel column flange plate are connected into a whole by welding.
10. The clip anchor connection prefabricated section steel concrete frame according to one of claims 1 to 5 and 7 to 9, wherein: the joints of the frame columns and the frame beam columns are filled with concrete.
11. The clip anchor connection prefabricated section steel concrete frame of claim 6, wherein: the joints of the frame columns and the frame beam columns are filled with concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022857225.2U CN214657748U (en) | 2020-12-01 | 2020-12-01 | Anchor-clamping connection prefabricated steel reinforced concrete frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022857225.2U CN214657748U (en) | 2020-12-01 | 2020-12-01 | Anchor-clamping connection prefabricated steel reinforced concrete frame |
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| CN214657748U true CN214657748U (en) | 2021-11-09 |
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| CN202022857225.2U Active CN214657748U (en) | 2020-12-01 | 2020-12-01 | Anchor-clamping connection prefabricated steel reinforced concrete frame |
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| CN (1) | CN214657748U (en) |
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Effective date of registration: 20230518 Address after: 200129, Room 1002, No. 27, Lane 1313, Lijin Road, Pudong New Area, Shanghai Patentee after: Liu Yijie Address before: 750001 No. 86, Changcheng East Road, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: Ningxia City Construction and Design Research Institute (Ltd.) |
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