CN109457985A - Elements of Space Grid Truss ball node installed height mark regulating device - Google Patents
Elements of Space Grid Truss ball node installed height mark regulating device Download PDFInfo
- Publication number
- CN109457985A CN109457985A CN201811551046.7A CN201811551046A CN109457985A CN 109457985 A CN109457985 A CN 109457985A CN 201811551046 A CN201811551046 A CN 201811551046A CN 109457985 A CN109457985 A CN 109457985A
- Authority
- CN
- China
- Prior art keywords
- main body
- rail
- cooperation
- sliding shoe
- elements
- 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.)
- Granted
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses Elements of Space Grid Truss ball node installed height mark regulating devices, including moving horizontally rail, sliding shoe, hydraulic electric motor, device for measuring height main body and control panel, the upper surface for moving horizontally rail is configured with the sliding rail for sliding shoe cooperation, the two sides of the sliding rail, which are provided with, is connected in the side plate for moving horizontally rail, the sliding slot for offering cooperation sliding rail between two parties of the sliding shoe, and the top of sliding shoe offers the mounting groove for hydraulic electric motor installation, inlay the control panel being equipped with for being electrically connected with processor in the side of the sliding shoe, and the top of hydraulic electric motor is provided with hydraulic stem, the top clamping of the hydraulic stem is equipped with device for measuring height main body, the device for measuring height main body is the cylindrical structure that upper surface offers half ball groove of cooperation, and the periphery of device for measuring height main body is arranged with clamping ring.The Elements of Space Grid Truss ball node installed height mark regulating device, it is structurally reasonable, it is easy to absolute altitude positioning, practical value with higher.
Description
Technical field
The invention belongs to Elements of Space Grid Truss technical fields, and in particular to Elements of Space Grid Truss ball node installed height mark regulating device.
Background technique
The space structure to be linked according to certain grid configuration by node by plurality of rods part.With space-load
Small, light-weight, the advantages that rigidity is big, anti-seismic performance is good；It can be used as gymnasium, cinema, show room, Waiting Lounge, stadium are seen
The roof system of the buildings such as platform canopy, hangar, two-way Large Column Spacing workshop.
Existing Elements of Space Grid Truss construction Shi Changyong sphere nodes do the connection between bar and bar, and sphere nodes are because of its surface
Structural particularity can not be supported with common support device, and the positioning of sphere nodes during the installation process is particularly important, and use is general
Logical jack carrys out positioning support ball node and is not easy to adjust.
Summary of the invention
The purpose of the present invention is to provide Elements of Space Grid Truss ball node installed height mark regulating devices, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: Elements of Space Grid Truss ball node installed height mark regulating device, packet
It includes and moves horizontally rail, sliding shoe, hydraulic electric motor, device for measuring height main body and control panel, the upper surface structure for moving horizontally rail
The sliding rail for sliding shoe cooperation is made, the two sides of the sliding rail, which are provided with, is connected in the side plate for moving horizontally rail, the sliding shoe
The sliding slot of cooperation sliding rail is offered between two parties, and the top of sliding shoe offers the mounting groove for hydraulic electric motor installation；
The control panel being equipped with for being electrically connected with processor is inlayed in the side of the sliding shoe, and hydraulic electric motor
Top is provided with hydraulic stem, and the top clamping of the hydraulic stem is equipped with device for measuring height main body；
The device for measuring height main body is the cylindrical structure that upper surface offers half ball groove of cooperation, and device for measuring height main body
Periphery is arranged with clamping ring, and the bottom end of the device for measuring height main body offers the hydraulic stem fixing groove being coupled for hydraulic stem,
And absorption mold is installed in half ball groove of cooperation of device for measuring height main body, it offers in the device for measuring height main body for laser calibration
The L-type light light projector pipe of lamp installation, the axle center of the laser calibration lamp and the axle center of device for measuring height main body are mutually perpendicular to, and L-type light
The corner of light projector pipe is angularly disposed reflecting plate.
Preferably, the both ends of the side plate are configured with the limit plate perpendicular to side plate far from the side of sliding rail, described in multiple groups
One group of side towards sliding shoe in limit plate, which attaches, is provided with lateral distance sensor.
Preferably, the bottom end of the clamping ring is provided with fore-and-aft distance sensor, and the height of fore-and-aft distance sensor with
Cooperate the bottom end height of half ball groove consistent.
Preferably, the two sides for moving horizontally rail offer the side mating groove of cooperation side plate, and side mating groove
Inner wall is inlayed with the face that side plate cooperates is equipped with the pulley for abutting side plate.
Preferably, one end of the L-type light light projector pipe is towards the bottom of half ball groove of cooperation, and the bottom end for adsorbing mold opens up
There is the loophole of adaptation L-type light light projector pipe.
Preferably, the processor being arranged in the control panel electrically connects with laser calibration lamp and range sensor respectively
It connects, the control panel and hydraulic electric motor are electrically connected.
Technical effect and advantage of the invention: the Elements of Space Grid Truss ball node installed height mark regulating device moves horizontally rail and cunning
The cooperation of motion block effectively realizes that lateral displacement when device for measuring height body supports ball node, cooperation lateral distance sensor are effectively fixed
The lateral position of position ball node；Device for measuring height main body cooperates hydraulic electric motor and hydraulic stem realizes ball node height adjustment, and cooperation is vertical
To the effective absolute altitude of range sensor；Absorption mold obtains the sphere nodes that setting adapts to different-diameter, adsorbs the characteristic of installation just
It is replaced in using, strong applicability；L-type light light projector pipe cooperates laser calibration lamp convenient for sphere nodes positioning front and back as visual base
Standard further surveys positioning convenient for user.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is sliding shoe structural schematic diagram of the invention；
Fig. 3 is device for measuring height body interior structural schematic diagram of the invention；
Fig. 4 is circuit connection schematic diagram of the invention.
In figure: 1 moves horizontally rail, 101 side plates, 102 limit plates, 2 sliding shoes, 201 mounting grooves, 3 hydraulic electric motors, 301 liquid
Compression bar, 4 device for measuring height main bodys, 401 cooperation half ball grooves, 402 hydraulic stem fixing grooves, 5 sliding rails, 501 sliding slots, 6 side mating grooves,
601 pulleys, 7 absorption molds, 701 loopholes, 8 laser calibration lamps, 801 reflecting plates, 9 clamping rings, 901 fore-and-aft distance sensors,
10 control panels, 11L type light light projector pipe, 12 lateral distance sensors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of Elements of Space Grid Truss ball node installed height mark regulating devices as shown in Figs 1-4, including horizontal shifting
Dynamic rail 1, sliding shoe 2, hydraulic electric motor 3, device for measuring height main body 4 and control panel 10, the upper end surface construction for moving horizontally rail 1
There is the sliding rail 5 cooperated for sliding shoe 2, the two sides of the sliding rail 5, which are provided with, is connected in the side plate 101 for moving horizontally rail 1, the sliding
The sliding slot 501 for offering cooperation sliding rail 5 between two parties of block 2, and the top of sliding shoe 2 offers the installation installed for hydraulic electric motor 3
Slot 201；
The side of the sliding shoe 2, which is inlayed, to be equipped with for (MSP430 type monolithic can be selected when specific implementation with processor
Machine) control panel 10 that is electrically connected, and the top of hydraulic electric motor 3 is provided with hydraulic stem 301, the top of the hydraulic stem 301
Clamping is equipped with device for measuring height main body 4；
The device for measuring height main body 4 is that upper surface offers the cylindrical structure for cooperating half ball groove 401, and device for measuring height master
The periphery of body 4 be arranged with clamping ring 9, the bottom end of the device for measuring height main body 4 offer be coupled for hydraulic stem 301 it is hydraulic
Bar fixing groove 402, and absorption mold 7 is installed in half ball groove 401 of cooperation of device for measuring height main body 4, when it is implemented, absorption mould
Tool 7 is the hemispherical dome structure for offering half ball groove, and fluting diameter should adapt to sphere nodes, is opened up in the device for measuring height main body 4
There are the L-type light light projector pipe 11 installed for laser calibration lamp 8, the axle center of the laser calibration lamp 8 and the axle center of device for measuring height main body 4
It is mutually perpendicular to, and angularly disposed there is reflecting plate 801 in the corner of L-type light light projector pipe 11.
Specifically, the both ends of the side plate 101 are configured with the limit plate perpendicular to side plate 101 far from the side of sliding rail 5
102, one group of side towards sliding shoe 2 in limit plate 102 described in multiple groups, which attaches, is provided with lateral distance sensor 12, described
The bottom end of clamping ring 9 is provided with fore-and-aft distance sensor 901, and half ball groove 401 of the height of fore-and-aft distance sensor 901 and cooperation
Bottom end height it is consistent, the lateral distance sensor 12 and fore-and-aft distance sensor 901 are LDM301 series Distance-sensing
Device.
Specifically, the two sides for moving horizontally rail 1 offer the side mating groove 6 of cooperation side plate 101, and side cooperates
The inner wall of slot 6 is inlayed with the face that side plate 101 cooperates is equipped with the pulley 601 for abutting side plate 101, and the construction of pulley 601 effectively subtracts
The small friction moved horizontally between rail 1 and side plate 101.
Specifically, the bottom of one end direction half ball groove 401 of cooperation of the L-type light light projector pipe 11, and adsorb the bottom of mold 7
End offers the loophole 701 of adaptation L-type light light projector pipe 11, the calibration that loophole 701 will not stop laser calibration lamp 8 to be emitted
Laser.
Specifically, the processor being arranged in the control panel 10 is electrical with laser calibration lamp 8 and range sensor respectively
Connection, the control panel 10 are electrically connected with hydraulic electric motor 3.
Specifically, the Elements of Space Grid Truss ball node installed height mark regulating device, need to first open laser calibration lamp 8 using preceding and move
Dynamic to move horizontally rail 1, until the position of installation ball node, sphere nodes are installed in absorption mold 7, adjusting hydraulic electric motor 3 makes
Hydraulic stem 301 rises, until sphere nodes reach mounting height, and control panel 10 is shown with fore-and-aft distance sensor 901
Show height and record, by adjusting sliding shoe 2, and cooperates lateral distance sensor 12 that control panel 10 is cooperated to show lateral displacement
And record, until sphere nodes reach installation site, the Elements of Space Grid Truss ball node installed height mark regulating device is structurally reasonable,
It is easy to absolute altitude positioning, practical value with higher.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of Elements of Space Grid Truss ball node installed height mark regulating device, including move horizontally rail (1), sliding shoe (2), hydraulic electric motor
(3), device for measuring height main body (4) and control panel (10), it is characterised in that: the upper surface for moving horizontally rail (1) is configured with
For the sliding rail (5) of sliding shoe (2) cooperation, the two sides of the sliding rail (5), which are provided with, is connected in the side plate (101) for moving horizontally rail (1),
The sliding slot (501) for offering cooperation sliding rail (5) between two parties of the sliding shoe (2), and the top of sliding shoe (2) is offered for hydraulic
The mounting groove (201) of motor (3) installation；
Inlay the control panel (10) being equipped with for being electrically connected with processor, and hydraulic electricity in the side of the sliding shoe (2)
The top of machine (3) is provided with hydraulic stem (301), and the top clamping of the hydraulic stem (301) is equipped with device for measuring height main body (4)；
The device for measuring height main body (4) is that upper surface offers the cylindrical structure for cooperating half ball groove (401), and device for measuring height master
The periphery of body (4) is arranged with clamping ring (9), and the bottom end of the device for measuring height main body (4), which offers to cooperate for hydraulic stem (301), pacifies
The hydraulic stem fixing groove (402) of dress, and absorption mold (7) is installed in half ball groove of cooperation (401) of device for measuring height main body (4),
The L-type light light projector pipe (11) for laser calibration lamp (8) installation, the laser calibration are offered in the device for measuring height main body (4)
The axle center of lamp (8) and the axle center of device for measuring height main body (4) are mutually perpendicular to, and the corner of L-type light light projector pipe (11) is angularly disposed
There are reflecting plate (801).
2. Elements of Space Grid Truss ball node installed height mark regulating device according to claim 1, it is characterised in that: the side plate
(101) both ends are configured with the limit plate (102) perpendicular to side plate (101), limit plate described in multiple groups far from the side of sliding rail (5)
(102) one group of side towards sliding shoe (2) in, which attaches, is provided with lateral distance sensor (12).
3. Elements of Space Grid Truss ball node installed height mark regulating device according to claim 1, it is characterised in that: the clamping ring
(9) bottom end is provided with fore-and-aft distance sensor (901), and half ball groove of the height of fore-and-aft distance sensor (901) and cooperation
(401) bottom end height is consistent.
4. Elements of Space Grid Truss ball node installed height mark regulating device according to claim 1, it is characterised in that: described to move horizontally
The two sides of rail (1) offer the side mating groove (6) of cooperation side plate (101), and the inner wall and side plate of side mating groove (6)
(101) pulley (601) for being equipped with and abutting side plate (101) is inlayed in the face cooperated.
5. Elements of Space Grid Truss ball node installed height mark regulating device according to claim 1, it is characterised in that: the L-type light is thrown
One end of light pipe (11) is towards the bottom of cooperation half ball groove (401), and the bottom end for adsorbing mold (7) offers adaptation L-type light and throws
The loophole (701) of light pipe (11).
6. Elements of Space Grid Truss ball node installed height mark regulating device according to claim 1, it is characterised in that: the control panel
(10) processor being arranged in is electrically connected with laser calibration lamp (8) and range sensor respectively, the control panel (10) and
Hydraulic electric motor (3) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551046.7A CN109457985B (en) | 2018-12-18 | 2018-12-18 | Steel mesh frame ball node installation elevation adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551046.7A CN109457985B (en) | 2018-12-18 | 2018-12-18 | Steel mesh frame ball node installation elevation adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109457985A true CN109457985A (en) | 2019-03-12 |
| CN109457985B CN109457985B (en) | 2023-10-31 |
Family
ID=65613705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811551046.7A Active CN109457985B (en) | 2018-12-18 | 2018-12-18 | Steel mesh frame ball node installation elevation adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109457985B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1077741A (en) * | 1996-09-03 | 1998-03-24 | Fujita Corp | Self-propelled fireproofing covering device |
| SG146557A1 (en) * | 2007-03-13 | 2008-10-30 | Moldetk Prec Corp | Adjustable golf tee set |
| CN102639289A (en) * | 2009-12-22 | 2012-08-15 | 辛涅提克兰迪斯有限公司 | Machine tools and methods of operation thereof |
| CN104110140A (en) * | 2014-06-11 | 2014-10-22 | 浙江精工钢结构集团有限公司 | Net rack node location adjusting device and location adjusting method |
| JP2015059299A (en) * | 2013-09-17 | 2015-03-30 | Toto株式会社 | Anchor pin and kit comprising the same, and method for forming floor surface from large-sized ceramic board |
| CN204781327U (en) * | 2015-06-24 | 2015-11-18 | 浙江东南网架股份有限公司 | Positioner of space curved surface rack node normal line |
| CN205400095U (en) * | 2016-02-24 | 2016-07-27 | 许里 | Horizontal base of pole is counted to fixed skin |
| CN107663916A (en) * | 2017-09-27 | 2018-02-06 | 中铁三局集团建筑安装工程有限公司 | A kind of network frame house cap accumulation slippage mounting structure and construction method |
| CN108086472A (en) * | 2017-12-15 | 2018-05-29 | 浙江精工钢结构集团有限公司 | A kind of solder sphere unit truss assembly device and method |
| CN108104492A (en) * | 2017-12-21 | 2018-06-01 | 成都智宸科技有限公司 | A kind of safety protection device for building construction |
| CN108824816A (en) * | 2018-05-31 | 2018-11-16 | 浙江大学 | A kind of big inter-network frame sliding location and installation in high-altitude and monitoring method |
| CN209585657U (en) * | 2018-12-18 | 2019-11-05 | 徐州恒翔钢结构有限公司 | A kind of Elements of Space Grid Truss ball node installed height mark regulating device |
-
2018
- 2018-12-18 CN CN201811551046.7A patent/CN109457985B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1077741A (en) * | 1996-09-03 | 1998-03-24 | Fujita Corp | Self-propelled fireproofing covering device |
| SG146557A1 (en) * | 2007-03-13 | 2008-10-30 | Moldetk Prec Corp | Adjustable golf tee set |
| CN102639289A (en) * | 2009-12-22 | 2012-08-15 | 辛涅提克兰迪斯有限公司 | Machine tools and methods of operation thereof |
| JP2015059299A (en) * | 2013-09-17 | 2015-03-30 | Toto株式会社 | Anchor pin and kit comprising the same, and method for forming floor surface from large-sized ceramic board |
| CN104110140A (en) * | 2014-06-11 | 2014-10-22 | 浙江精工钢结构集团有限公司 | Net rack node location adjusting device and location adjusting method |
| CN204781327U (en) * | 2015-06-24 | 2015-11-18 | 浙江东南网架股份有限公司 | Positioner of space curved surface rack node normal line |
| CN205400095U (en) * | 2016-02-24 | 2016-07-27 | 许里 | Horizontal base of pole is counted to fixed skin |
| CN107663916A (en) * | 2017-09-27 | 2018-02-06 | 中铁三局集团建筑安装工程有限公司 | A kind of network frame house cap accumulation slippage mounting structure and construction method |
| CN108086472A (en) * | 2017-12-15 | 2018-05-29 | 浙江精工钢结构集团有限公司 | A kind of solder sphere unit truss assembly device and method |
| CN108104492A (en) * | 2017-12-21 | 2018-06-01 | 成都智宸科技有限公司 | A kind of safety protection device for building construction |
| CN108824816A (en) * | 2018-05-31 | 2018-11-16 | 浙江大学 | A kind of big inter-network frame sliding location and installation in high-altitude and monitoring method |
| CN209585657U (en) * | 2018-12-18 | 2019-11-05 | 徐州恒翔钢结构有限公司 | A kind of Elements of Space Grid Truss ball node installed height mark regulating device |
Non-Patent Citations (2)
| Title |
|---|
| 林益亦;: "关于砼柱与钢屋架的节点施工技术探讨" * |
| 苗莉娟;孙海峰;: "空间网格钢结构球体节点定位装置研究" * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109457985B (en) | 2023-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209585657U (en) | A kind of Elements of Space Grid Truss ball node installed height mark regulating device | |
| CN108039856B (en) | A kind of radix saposhnikoviae photovoltaic module support | |
| CN108458289A (en) | A kind of LED illumination lamp of adjustable-angle | |
| CN109139788A (en) | A kind of Architectural Equipment earthquake isolating equipment | |
| CN109457985A (en) | Elements of Space Grid Truss ball node installed height mark regulating device | |
| CN207813626U (en) | A kind of support equipment for constructing tunnel | |
| CN216215754U (en) | Temporary platform frame for high-altitude cable construction | |
| CN115233808A (en) | Prefabricated building with prefabricated foundation and assembling method thereof | |
| US20190372511A1 (en) | Photovoltaic Container | |
| CN209603442U (en) | A kind of raised flooring system | |
| CN113709588A (en) | Information and communication engineering high-adaptability miniature base station and use method | |
| CN214890076U (en) | Lifting device for intelligent building electronic whiteboard | |
| CN201322260Y (en) | Multi-direction LED projection lamp | |
| CN101725260A (en) | Music reflection room | |
| CN217789604U (en) | Adsorption device for photovoltaic panel based on solar lamp box | |
| CN215564158U (en) | Civil air defense engineering vibration isolation device | |
| CN110794876A (en) | Shadow magnetism intelligence system of following spot | |
| CN217680656U (en) | Moulding bed for integral vertical assembly of roof beam | |
| CN220930647U (en) | Anti-cheating shielding device for examination | |
| CN217826127U (en) | Double-deck lamp house of domestic plant of ventilation formula | |
| CN211431502U (en) | Lifting table structure with double table plates | |
| CN219754150U (en) | Novel gardens corridor frame | |
| CN204571376U (en) | A kind of machine room projection system | |
| CN220888972U (en) | Civil space capsule | |
| CN213008790U (en) | Unmanned aerial vehicle is camera mounting structure for survey and drawing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231007 Address after: 221000 Construction Office, Shizhai Town, Fengxian County, Xuzhou City, Jiangsu Province Applicant after: Jiangsu DuPont construction engineering Co.,Ltd. Address before: No. 18 Shifeng Road, Shizhai Town, Feng County, Xuzhou City, Jiangsu Province, 221000 Applicant before: XUZHOU HENGXIANG STEEL STRUCTURE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |