CN108729591A - Circular hole slab shear wall is vertically distributed the positioning device and localization method of connection reinforcing bar - Google Patents
Circular hole slab shear wall is vertically distributed the positioning device and localization method of connection reinforcing bar Download PDFInfo
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- CN108729591A CN108729591A CN201810491959.8A CN201810491959A CN108729591A CN 108729591 A CN108729591 A CN 108729591A CN 201810491959 A CN201810491959 A CN 201810491959A CN 108729591 A CN108729591 A CN 108729591A
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- China
- Prior art keywords
- reinforcing bar
- connection reinforcing
- vertical distribution
- circular hole
- iron wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
Abstract
Circular hole slab shear wall is vertically distributed the positioning device and localization method of connection reinforcing bar, the invention belongs to construction engineering technical fields, it is made of iron wire, being wrapped vertical distribution connection reinforcing bar becomes the annular being closed, the template or superimposed sheet bottom plate of precast concrete circular hole slab shear wall slab and building cover board install, it will be in the hollow hole of the following partial insertion precast concrete circular hole slab shear wall slab of spacer bar of the vertical distribution connection reinforcing bar with iron wire ring from above, so that long spacer bar and short spacer bar are against the top on the outside of hollow hole, twice iron wire ring is placed in the hollow hole of precast concrete circular hole slab shear wall slab, the position of vertical distribution connection reinforcing bar is defined；Cast-in-place concrete is poured into the hollow hole of precast concrete circular hole slab shear wall slab, is completed.Present invention making positioning is convenient with iron wire ring, and vertical distribution connection reinforcing bar accurate positioning can significantly improve construction quality and work efficiency.
Description
Technical field
The invention belongs to construction engineering technical field, especially relates to a kind of circular hole slab shear wall and be vertically distributed connection steel
The localization method of muscle.
Background technology
Through retrieval, the localization method that circular hole slab shear wall is vertically distributed connection reinforcing bar is not found.Similar concrete structure
Reinforcing bar localization method has：
Utility model patent mandate specification CN201720720090.0, discloses a kind of reinforcing bar locating ring comprising：The
A positioning block, the second locating piece；First locating piece top is provided with the first mounting hole, and the first locating piece is provided with the first semicircle
Hole, the front surface of the first locating piece are provided with the first semicircular ring protrusion, and the second locating piece top is provided with the second mounting hole, and second
Locating piece is provided with the second semicircle orifice, and the front surface of the second locating piece is provided with the second semicircular ring protrusion；First locating piece, second
Locating piece docking constitutes reinforcing bar locating ring, and the first, second semicircle orifice collectively forms reinforcing bar location hole latter half, and first, second
Semicircular ring protrusion collectively forms the circular ring shape protrusion that ring surface is positioned positioned at reinforcing bar, and the endoporus that circular ring shape convexes to form constitutes reinforcing bar
The reinforcing bar of reinforcing bar locating ring is collectively formed in location hole first half, reinforcing bar location hole latter half, reinforcing bar location hole first half
Location hole.The product structure is succinct, installs and using more convenient.The effect of this reinforcing bar locating ring is in order to ensure concrete
Protective layer thickness is not less than a definite value, is not to play the role of two-way positioning, and can not limit maximum protection thickness
Degree.
Utility model patent mandate specification CN201620759882.4 discloses a kind of shear wall vertical reinforcement positioning dress
It sets, is related to building element technical field.The utility model includes positioning body, and positioning body is solid rectangles, the length of positioning body
It is equal with the thickness of shear wall, the both ends of positioning body be respectively equipped with vertical reinforcement by circular hole.Its simple in structure, operation side
Just, it can ensure that vertical reinforcement accurate positioning and thickness of concrete cover meet design requirement, improve work efficiency.It is this
Shear wall vertical reinforcement positioning device can ensure that the thickness of concrete cover of vertical reinforcement meets design requirement, ensure perpendicular
It is accurate to be positioned to reinforcing bar along wall thickness direction, but can not ensure along the longitudinal register of wall.
Utility model patent mandate specification CN201720583885.1 discloses a kind of new reinforcing steel bar positioning stirrup, packet
Round reinforced steel bar ring, positioning bar and principal rod are included, the circle reinforced steel bar ring has at least two, each circle reinforcing bar ring diameter identical from upper
To lower concentric placement, there are at least 10 pairs of principal rods, the principal rod to be welded in circular steel muscle by point on the outside of each circle reinforced steel bar ring
Around corresponding angularly around round reinforced steel bar ring one week on the outside of ring, one principal rod of each pair of principal rod correspondence from top to bottom, the stress
Muscle is welded between two principal rods on the outside of corresponding each round reinforced steel bar ring.The utility model provides a kind of new reinforcing steel bar spacer ferrule
Muscle can be suitable for different reinforcing bars by adjusting pattern, size, and have quick for installation, highly practical, accurate positioning spy
Point.Installation is not only facilitated to have enough to meet the need, moreover it is possible to improve the accuracy of reinforcing bar positioning.But this positioning stirrup is suitable only for cast-in-place concrete knot
Structure, to the positioning of live assembling reinforcement in prefabricated assembled circular hole slab concrete shear force wall hollow hole and impracticable.
It is fixed to disclose a kind of reinforcing bar for precast wall body installation by invention patent mandate specification CN201510042930.8
Position fixture and reinforcing bar localization method, fixture include the adaptable steel plate of the thickness of width and precast wall body, and reinforcing bar is provided on steel plate
The diameter of preformed hole, the pore size of the reinforcing bar preformed hole connection reinforcing bar exposed with precast wall body top is adapted, distribution and even
The arrangement for connecing reinforcing bar is adapted；It is respectively welded on the corresponding upper face of reinforcing bar preformed hole of two ends of steel plate vertical
Short steel sleeve, all short steel sleeves it is highly consistent, and pairs of horizontal direction keyhole, bolt are provided on the uniform height of tube wall
Hole interpolation is useful for the bolt of the insertion depth of control connection reinforcing bar.The invention is for the steel in two prefabricated panel assembling process
Muscle positions, simple in structure, and making and easy to operate, accurate positioning can be used in turn, and is repeatedly adjusted with work progress in reinforcing bar positioning
Whole, fixture pilot process is not removed, and after positioning, reinforcement location is accurate, greatly improves the packaging efficiency of prefabricated panel.
But the invention is only used for the positioning of the reinforcing bar in two prefabricated panel assembling process, can not be used for solving circular hole slab concrete shear
Wall is vertically distributed the positioning of connection reinforcing bar.
Beijing's provincial standard《Assembly of shear wall structure design discipline》DB11/1003-2013, to prefabricated circular hole slab
The vertical distribution bar of Design of Shear-wall Structure has made regulation, but does not provide the localization method of vertical distribution bar, less deposits
In the positioning explanation of vertical distribution connection reinforcing bar.
The vertical distribution bar of assembly concrete shear wall and the positioning for connecting reinforcing bar, to the quality and efficiency of assembly construction
Influence it is huge, positioning construction error it is larger when, precast concrete shear wall plate can not be installed in place, and construction quality will be influenced
And construction efficiency, it is therefore desirable to solve the problems, such as this technical solution.
Invention content
The technical problem to be solved by the present invention is to：The positioning device that circular hole slab shear wall is vertically distributed connection reinforcing bar is provided
And localization method ensures engineering construction quality, improves to ensure that circular hole slab shear wall is vertically distributed the accurate of connection reinforcing bar positioning
Assemble the efficiency of construction.
The present invention adopts the following technical scheme that：
Circular hole slab shear wall is vertically distributed the positioning device of connection reinforcing bar, it is characterized in that：Including iron wire ring, iron wire ring is to close
The annular of conjunction,
Outer profile size is smaller 2mm~6mm than the bore inner diameter of precast concrete circular hole slab shear wall slab.
2, circular hole slab shear wall is vertically distributed the localization method of connection reinforcing bar, it is characterized in that：It is cut using the circular hole slab
Power wall is vertically distributed the positioning device of connection reinforcing bar, includes the following steps, and following steps sequentially carry out,
Step 1: preparing vertical distribution connection reinforcing bar
Vertical distribution connection reinforcing bar is closed rectangular, and rectangle short side outer profile size is sheared than precast concrete circular hole slab
Small 6mm~the 12mm of internal diameter size of wallboard circular hole；Long spacer bar is arranged in the vertical distribution connection long edge connector of reinforcing bar rectangle
Locate side, side item is welded in the outside of vertical distribution connection reinforcing bar, plays the role of being closed vertical distribution connection reinforcing bar；By short positioning
For steel bar arrangement in the corresponding other side of long spacer bar of vertical distribution connection reinforcement welding, side item is welded in vertical distribution connection steel
The outside of muscle；
Step 2: winding iron wire ring on vertical distribution connection reinforcing bar
According to the cutting length of required iron wire, an iron leg silk is intercepted, is inserted among vertical distribution connection reinforcing bar, from wire shorts
Centre position, thereto the spacer bar lower part of side vertical distribution connection reinforcing bar wind iron wire, wire shorts from the inside to the outside
Both sides respectively wind half-turn, and whole iron wire is altogether around one circle of the vertical distribution of side connection reinforcing bar winding, by the both sides of iron wire along pre-
The vertical distribution that the arc inner wall size of concrete circular hole slab shear wall slab circular hole processed respectively winds hemicycle to the other side connects steel
The position of muscle forms a complete circular ring shape, and the both ends of iron wire are respectively enclosed to the vertical distribution connection reinforcing bar winding of the other side
1.25 circles, complete the winding of an iron wire ring；In the same way, second iron is wound in the lower end of vertical distribution connection reinforcing bar
Silk ring, vertical distribution connect and wind twice iron wire ring altogether on reinforcing bar；
Step 3: vertical distribution of the arrangement with iron wire ring connects reinforcing bar
The template or superimposed sheet bottom plate of precast concrete circular hole slab shear wall slab and building cover board install, and will be twined from above
Around the long spacer bar and the following partial insertion precast concrete of short spacer bar of the vertical distribution connection reinforcing bar of twice iron wire ring
In the hollow hole of circular hole slab shear wall slab so that long spacer bar and short spacer bar are against the top on the outside of hollow hole, and make
Perpendicular to shearing face of wall, twice iron wire ring is placed in precast concrete circular hole slab and cuts the plane of vertical distribution connection reinforcing bar
In the hollow hole of power wallboard, the position of vertical distribution connection reinforcing bar is defined；
Step 4: pouring cast-in-place concrete
After other all reinforcing bar bindings and shuttering supporting, to the hollow of precast concrete circular hole slab shear wall slab
Cast-in-place concrete is poured in hole, completes the positioning that circular hole slab shear wall is vertically distributed connection reinforcing bar.
By above-mentioned design scheme, the present invention can bring following advantageous effect：Circular hole slab shear wall is vertically distributed connection
The positioning device and localization method of reinforcing bar, making positioning is convenient with iron wire ring, vertical distribution connection reinforcing bar accurate positioning, Ke Yixian
It writes and improves construction quality and work efficiency.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated：
Fig. 1 is the schematic top plan view of iron wire ring of the present invention.
Fig. 2 is the schematic elevation view of iron wire ring of the present invention.
Fig. 3 is the left view schematic diagram of iron wire ring of the present invention.
Fig. 4 is that the right side of iron wire ring of the present invention regards schematic diagram.
Fig. 5 is the vertical distribution connection reinforcing bar schematic top plan view of the present invention.
Fig. 6 is the vertical distribution connection reinforcing bar schematic elevation view of the present invention.
Fig. 7 is that the vertical distribution of present invention winding iron wire ring connects reinforcing bar schematic elevation view.
Fig. 8 is that the vertical distribution of present invention winding iron wire ring connects reinforcing bar A-A diagrammatic cross-sections.
Fig. 9 is the diagrammatic cross-section of precast concrete circular hole slab shear wall slab of the present invention.
Figure 10 is that the vertical distribution of present invention winding iron wire ring connects reinforcement installation schematic diagram.
Figure 11 is the vertical distribution connection reinforcing bar winding iron wire ring schematic diagram that the present invention has poured concrete.
1- iron wires ring, 2- are vertically distributed connection reinforcing bar, 3- precast concrete circular hole slabs shear wall slab, 201- long positioning in figure
The short spacer bar of reinforcing bar, 202-.
Specific implementation mode
Circular hole slab shear wall is vertically distributed the positioning device and localization method of connection reinforcing bar, and wherein circular hole slab shear wall is vertical
The positioning device of distribution connection reinforcing bar, as shown in Figure 1 to 4, including iron wire ring 1, the iron wire ring 1 are made of iron wire, are twined
Become the annular being closed around vertical distribution connection reinforcing bar 2, outer profile size is justified for precast concrete circular hole slab shear wall slab 3
Hole internal diameter subtracts 2mm~6mm.
Circular hole slab shear wall is vertically distributed the localization method of connection reinforcing bar, as shown in Fig. 1~Figure 11, is proposed using the present invention
A kind of circular hole slab shear wall be vertically distributed connection reinforcing bar positioning device, implemented by following steps,
Step 1: preparing vertical distribution connection reinforcing bar 2
Vertical distribution connection reinforcing bar 2 is closed rectangular, and rectangle short side outer profile size is cut than precast concrete circular hole slab
Small 6mm~the 12mm of internal diameter size of 3 circular hole of power wallboard；It is long that long spacer bar 201 is arranged in vertical distribution connection 2 rectangle of reinforcing bar
Side at edge connector, side item are welded in the outside of vertical distribution connection reinforcing bar 2, play the role of being closed vertical distribution connection reinforcing bar 2；
It is corresponding another that short spacer bar 202 is arranged in the long spacer bar 201 that vertical distribution connection reinforcing bar 2 welds
Side, side item are welded in the outside of vertical distribution connection reinforcing bar 2；
Step 2: the winding iron wire ring 1 on vertical distribution connection reinforcing bar 2
According to the cutting length of required iron wire, an iron leg silk is intercepted, is inserted among vertical distribution connection reinforcing bar, from wire shorts
Centre position, wherein the spacer bar lower part of side start to wind vertical distribution connection reinforcing bar 2 outward, wire shorts both sides are each
Half-turn is wound, whole iron wire is altogether around one circle of the vertical distribution of side connection reinforcing bar 2 winding, then by the both sides of iron wire along prefabricated
The internal diameter size of 3 circular hole of concrete circular hole slab shear wall slab, which respectively winds hemicycle, becomes a complete circular ring shape, encounters another
The vertical distribution of side connects reinforcing bar 2, and by the both ends of iron wire, respectively the vertical distribution connection reinforcing bar 2 of winding completes one around 1.25 circles
The winding of iron wire ring 1；In the same way, one of iron wire ring 1, Gong Ji is wound again in the lower end of vertical distribution connection reinforcing bar 2
Winding twice iron wire ring 1 on vertical distribution connection reinforcing bar 2；
Step 3: vertical distribution of the arrangement with iron wire ring 1 connects reinforcing bar 2
The template or superimposed sheet bottom plate of precast concrete circular hole slab shear wall slab 3 and building cover board install, and are incited somebody to action from above
The long spacer bar 201 and 202 or less partial insertion of short spacer bar of vertical distribution connection reinforcing bar 2 with iron wire ring 1 are prefabricated
In the hollow hole of concrete circular hole slab shear wall slab 3 so that long spacer bar 201 and short spacer bar 202 are against outside hollow hole
The top of side, and make vertically be distributed connection reinforcing bar 2 plane perpendicular to shearing face of wall,
Twice iron wire ring 1 is placed in the hollow hole of precast concrete circular hole slab shear wall slab 3, vertical distribution connection reinforcing bar
2 position is defined；
Step 4: pouring cast-in-place concrete
After other all reinforcing bar bindings and shuttering supporting, to the sky of precast concrete circular hole slab shear wall slab 3
Cast-in-place concrete is poured in heart hole, completes the positioning that circular hole slab shear wall is vertically distributed connection reinforcing bar.
The foregoing is merely the preferred embodiment of the invention, are not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (2)
1. circular hole slab shear wall is vertically distributed the positioning device of connection reinforcing bar, it is characterized in that：Including iron wire ring (1), iron wire ring (1)
For the annular of closure, outer profile size is smaller 2mm~6mm than the bore inner diameter of precast concrete circular hole slab shear wall slab.
2. circular hole slab shear wall is vertically distributed the localization method of connection reinforcing bar, it is characterized in that：Using circular hole described in claim 1
Plate shear wall is vertically distributed the positioning device of connection reinforcing bar, includes the following steps, and following steps sequentially carry out,
Step 1: preparing vertical distribution connection reinforcing bar (2)
Vertical distribution connection reinforcing bar (2) is closed rectangular, and rectangle short side outer profile size is sheared than precast concrete circular hole slab
Small 6mm~the 12mm of internal diameter size of wallboard (3) circular hole；Long spacer bar (201) is arranged in vertical distribution connection reinforcing bar (2) square
Shape long side joint side, side item are welded in the outside of vertical distribution connection reinforcing bar (2), play the vertical distribution connection reinforcing bar of closure
(2) effect；It is corresponding that short spacer bar (202) is arranged in the long spacer bar (201) that vertical distribution connection reinforcing bar (2) is welded
The other side, side item is welded in the outside of vertical distribution connection reinforcing bar (2)；
Step 2: the winding iron wire ring (1) on vertical distribution connection reinforcing bar (2)
According to the cutting length of required iron wire, an iron leg silk is intercepted, the vertical distribution connection reinforcing bar (2) of insertion is intermediate, from wire shorts
Centre position, thereto the spacer bar lower part of side vertical distribution connection reinforcing bar (2) wind iron wire, iron wire from the inside to the outside
Section both sides respectively wind half-turn, and whole iron wire winds a circle around the vertical distribution of side connection reinforcing bar (2) altogether, by the both sides edge of iron wire
The arc inner wall size for precast concrete circular hole slab shear wall slab (3) circular hole respectively winds vertical distribution of the hemicycle to the other side
The position of reinforcing bar (2) is connected, a complete circular ring shape is formed, the vertical distribution that the both ends of iron wire are respectively enclosed to the other side connects steel
1.25 circle of muscle (2) winding, completes the winding of an iron wire ring (1)；In the same way, in vertical distribution connection reinforcing bar (2)
Lower end winds second iron wire ring (1), and twice iron wire ring (1) is wound altogether on vertical distribution connection reinforcing bar (2)；
Step 3: vertical distribution connection reinforcing bar (2) of the arrangement with iron wire ring (1)
The template or superimposed sheet bottom plate of precast concrete circular hole slab shear wall slab (3) and building cover board install, and will be twined from above
Long spacer bar (201) and short spacer bar (202) around the vertical distribution connection reinforcing bar (2) of twice iron wire ring (1) is with lower part
Divide in the hollow hole for being inserted into precast concrete circular hole slab shear wall slab (3) so that long spacer bar (201) and short spacer bar
(202) be against the top on the outside of hollow hole, and make vertically be distributed connection reinforcing bar (2) plane perpendicular to shearing face of wall,
Twice iron wire ring (1) is placed in the hollow hole of precast concrete circular hole slab shear wall slab (3), vertical distribution connection reinforcing bar (2)
Position be defined；
Step 4: pouring cast-in-place concrete
After other all reinforcing bar bindings and shuttering supporting, to the hollow of precast concrete circular hole slab shear wall slab (3)
Cast-in-place concrete is poured in hole, completes the positioning that circular hole slab shear wall is vertically distributed connection reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491959.8A CN108729591B (en) | 2018-05-22 | 2018-05-22 | Positioning device and positioning method for vertically distributed connecting steel bars of round hole plate shear wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491959.8A CN108729591B (en) | 2018-05-22 | 2018-05-22 | Positioning device and positioning method for vertically distributed connecting steel bars of round hole plate shear wall |
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| CN108729591A true CN108729591A (en) | 2018-11-02 |
| CN108729591B CN108729591B (en) | 2020-05-01 |
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| CN201810491959.8A Active CN108729591B (en) | 2018-05-22 | 2018-05-22 | Positioning device and positioning method for vertically distributed connecting steel bars of round hole plate shear wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863578A (en) * | 2021-09-07 | 2021-12-31 | 中国建筑第八工程局有限公司 | Basement exterior wall vertical steel bar fixing device and method for installing steel bars by using same |
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| GB639038A (en) * | 1948-07-07 | 1950-06-21 | Broads Mfg Company Ltd | Improvements in or relating to locating devices for reinforcing members in reinforced concrete structures and units |
| CN202359742U (en) * | 2011-11-30 | 2012-08-01 | 长沙华坤建材科技有限公司 | Steel bar locator with reinforced masonry structure |
| CN103485548A (en) * | 2013-10-17 | 2014-01-01 | 孟凡林 | Vertical reinforcement connecting method for fabricated hollow concrete superimposed shear wall |
| CN103850363A (en) * | 2014-03-11 | 2014-06-11 | 朱彤 | Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall |
| CN104047381A (en) * | 2014-07-04 | 2014-09-17 | 孟凡林 | Assembly integrated type lightly reinforced concrete shear wall structure |
| RU2013144829A (en) * | 2013-10-07 | 2015-04-20 | Владимир Викторович Данель | LOOPless WELDED JOINT OF WALL PANELS |
| CN105544798A (en) * | 2016-01-25 | 2016-05-04 | 三新房屋制造股份有限公司 | Assembled-type hollow-slab shear wall structure and construction method thereof |
| CN106545109A (en) * | 2016-12-08 | 2017-03-29 | 湖北宇辉新型建筑材料有限公司 | Overlaid plate type concrete shear wall longitudinal connection structure and method of attachment |
-
2018
- 2018-05-22 CN CN201810491959.8A patent/CN108729591B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB639038A (en) * | 1948-07-07 | 1950-06-21 | Broads Mfg Company Ltd | Improvements in or relating to locating devices for reinforcing members in reinforced concrete structures and units |
| CN202359742U (en) * | 2011-11-30 | 2012-08-01 | 长沙华坤建材科技有限公司 | Steel bar locator with reinforced masonry structure |
| RU2013144829A (en) * | 2013-10-07 | 2015-04-20 | Владимир Викторович Данель | LOOPless WELDED JOINT OF WALL PANELS |
| CN103485548A (en) * | 2013-10-17 | 2014-01-01 | 孟凡林 | Vertical reinforcement connecting method for fabricated hollow concrete superimposed shear wall |
| CN103850363A (en) * | 2014-03-11 | 2014-06-11 | 朱彤 | Prefabricated through hole assembly type reinforced concrete shear wall and construction method of prefabricated through hole assembly type reinforced concrete shear wall |
| CN104047381A (en) * | 2014-07-04 | 2014-09-17 | 孟凡林 | Assembly integrated type lightly reinforced concrete shear wall structure |
| CN105544798A (en) * | 2016-01-25 | 2016-05-04 | 三新房屋制造股份有限公司 | Assembled-type hollow-slab shear wall structure and construction method thereof |
| CN106545109A (en) * | 2016-12-08 | 2017-03-29 | 湖北宇辉新型建筑材料有限公司 | Overlaid plate type concrete shear wall longitudinal connection structure and method of attachment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863578A (en) * | 2021-09-07 | 2021-12-31 | 中国建筑第八工程局有限公司 | Basement exterior wall vertical steel bar fixing device and method for installing steel bars by using same |
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| Publication number | Publication date |
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| CN108729591B (en) | 2020-05-01 |
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Effective date of registration: 20210610 Address after: Room 101, building b3-2-1, group B3, Wanda Plaza, Changchun City, automobile economic and Technological Development Zone, Changchun City, Jilin Province, 130062 Patentee after: Fanlin Assembly Building Technology Co.,Ltd. Address before: 130118 No. 5088 Xincheng Street, Changchun City, Jilin Province Patentee before: JILIN JIANZHU University |