CN113123657A - Assembly type building connecting node structure and using method thereof - Google Patents
Assembly type building connecting node structure and using method thereof Download PDFInfo
- Publication number
- CN113123657A CN113123657A CN202110224475.9A CN202110224475A CN113123657A CN 113123657 A CN113123657 A CN 113123657A CN 202110224475 A CN202110224475 A CN 202110224475A CN 113123657 A CN113123657 A CN 113123657A
- Authority
- CN
- China
- Prior art keywords
- lever
- rotating sleeve
- box body
- cross beam
- node structure
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
Abstract
The invention relates to the technical field of building equipment, and discloses an assembly type building connecting node structure which comprises a box body, wherein a cover plate is fixedly sleeved on the upper surface of the box body, and cross beams are fixedly sleeved on the periphery of the box body. This assembly type structure connected node structure, set up through the symmetry of fulcrum one and fulcrum two, and under lever one and lever two's connection effect, make the upper surface of fly leaf build the weight gain after the brick, no matter which side of putting at the fly leaf upper surface, lever one that all is descends and descends the height is the same with lever two simultaneously, make the crossbeam at the bricklaying one-tenth wall, after the weight increases, the weight of brick can be driven to the holding down force to the crossbeam on pressing from both sides the piece, and then put and bear behind the gravity at the middle part of crossbeam, after long-time use, easy fatigue deformation downwarping, the holding down force of pressing from both sides the piece increases, the pressure at crossbeam both ends has been increased, and then can slow down the middle part fatigue bending of crossbeam, increase the intensity and the life of building.
Description
Technical Field
The invention relates to the technical field of building equipment, in particular to an assembly type building connecting node structure and a using method thereof.
Background
The prefabricated building is a structure formed by prefabricating components in a factory or a construction site, connecting scattered prefabricated components into a whole by mechanical hoisting and a certain connecting means, fixing iron sheets on the constructed frames through screws, and finally constructing a movable board house.
Present assembly type building, in the assembling process, mostly use modes such as welding, bolt, rivet to realize connecting, the operation is complicated, and easy corrosion leads to joint strength to descend, is unfavorable for the stability ability of whole building, is at patent application number: 201910338550.7 discloses a building connection node, wherein for beams to be installed in all directions, arc-shaped clamping plates are used for clamping the beams through rotation, the arc-shaped clamping plates clamp and fix the four sides of the beams, masonry needs to be built above some steel frame beams in a steel prefabricated building to form a wall surface, the arc-shaped clamping plates clamp and fix the beams, after the masonry is built, the weight is increased, the rigidity of the arc-shaped clamping plates is not enough and is easy to break, building damage is caused, under the condition that a house shakes, the weight of the beams and the masonry is large, shaking inertia force is large, impact force on the arc-shaped clamping plates is large, the beams and the masonry are easy to damage, and meanwhile, the existing locking mechanism is complex in transmission, and the equipment structure is complex.
Disclosure of Invention
The invention provides an assembly type building connecting node structure and a using method thereof, which have the advantages of simple structure, convenience in installation, stable crossbeam after installation and capability of bearing larger shaking, and solve the problems of complex structure, difficulty in manufacturing and collapse of a building caused by easy breakage and damage after earthquake shaking of the existing equipment.
The invention provides the following technical scheme: an assembly type building connection node structure comprises a box body, wherein a cover plate is fixedly sleeved on the upper surface of the box body, a cross beam is fixedly sleeved on the periphery of the box body, a clamping block is placed and locked on the upper surface of the cross beam and positioned in the box body, a first fulcrum is fixedly installed on one side of the interior of the cross beam, a second fulcrum is fixedly installed on the other side of the interior of the cross beam, a first lever is movably sleeved on the top of the first fulcrum, a second lever is movably sleeved on the top of the second fulcrum, the first lever is connected with the middle of the second lever through a connecting rod, a movable plate is fixedly installed on the upper surfaces of the first lever and the second lever and positioned above the cross beam, a spring is fixedly installed between the movable plate and the cross beam, the right end of the first lever is fixedly connected with the clamping block in the box body installed at the right end of the cross beam, the left, the improved box is characterized in that a limiting column is movably mounted in the middle of the box body, a fixed shaft is fixedly mounted on the periphery of the limiting column, a component force lever is movably sleeved on the outer surface of the fixed shaft, a first rotating sleeve is movably sleeved inside the box body, a gear is meshed on the outer surface of the first rotating sleeve, a second rotating sleeve is meshed on the outer surface of the gear, the first rotating sleeve is sleeved with the second rotating sleeve, clamping wheels are respectively mounted on the outer surfaces of the first rotating sleeve and the second rotating sleeve, sliding grooves are symmetrically formed in four corners of the box body, and tooth grooves are formed in the outer surface of the first rotating sleeve.
Preferably, the first fulcrum and the second fulcrum are symmetrically arranged in the cross beam, and the first lever is communicated with the middle point of the second lever.
Preferably, the limiting column can move downwards when the cover plate is closed, the four component force levers are bent and mutually contacted to form a circle, and the component force levers are in a mirror image Z shape.
Preferably, the rotating sleeve is divided into an upper layer and a lower layer which are mutually connected, the connecting rods rotate in four corners in the box body, the clamping wheels are arranged on the upper layer and the lower layer of the rotating sleeve I, and the tooth sockets are arranged in a staggered mode with the clamping wheels arranged on the outer surface of the rotating sleeve I.
Preferably, the method comprises the following steps:
s1, mounting the box body on the upright posts, and movably sleeving the beams in four directions with the box body;
s2, twisting the first rotating sleeve by hand to drive the second rotating sleeve to rotate reversely, and clamping the beam by the first rotating sleeve and a clamping wheel arranged on the outer surface of the rotating sleeve;
s3, pushing the limiting column downwards to drive the component force lever to contact with the upper surface of the cross beam;
s4, the mounting clamping block is in contact with the upper surface of the cross beam and is fixedly connected with the second lever;
s5, covering the upper cover plate to compress, and finishing the beam combination installation;
s6, building bricks on the upper surface of the movable plate to form a wall surface;
s7, the weight on the movable plate is increased to drive the movable plate to move downwards, and further drive the first lever and the second lever to move downwards, and drive the clamping block to move downwards to press two ends of the cross beam.
The invention has the following beneficial effects:
1. this assembly type structure connected node structure, set up through the symmetry of fulcrum one and fulcrum two, and under lever one and lever two's connection effect, make the upper surface of fly leaf build the weight gain after the brick, no matter which side of putting at the fly leaf upper surface, lever one that all is descends and descends the height is the same with lever two simultaneously, make the crossbeam at the bricklaying one-tenth wall, after the weight increases, the weight of brick can be driven to the holding down force to the crossbeam on pressing from both sides the piece, and then put and bear behind the gravity at the middle part of crossbeam, after long-time use, easy fatigue deformation downwarping, the holding down force of pressing from both sides the piece increases, the pressure at crossbeam both ends has been increased, and then can slow down the middle part fatigue bending of crossbeam, increase the intensity and the life of building.
2. The assembled building connection node structure can move downwards on a cover plate through a limiting column, four component force levers are in a bent shape and are in contact with each other to form a circle, the component force levers are in a mirror image Z shape, the component force levers can be in contact with the upper surfaces of cross beams under the movement of the limiting column, so that when the middle part of each cross beam is bent downwards due to fatigue deformation, two ends of each cross beam can tilt upwards to push the corresponding component force lever to move upwards, force is guided to the cross beams on two sides under the action of the component force levers, the clamping force on the cross beams on the two sides is increased, the service life of the cross beams on the two sides is ensured, and meanwhile, after a building shakes, the force is dispersed to the two sides through the component force levers.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the case of the present invention;
FIG. 3 is a schematic view of a swivel sleeve according to the present invention;
fig. 4 is a structural diagram of the force-component lever in a linear state according to the present invention.
In the figure: 1. a box body; 2. a cover plate; 3. a cross beam; 4. a clamping block; 5. a first supporting point; 6. a second supporting point; 7. a first lever; 8. a second lever; 9. a movable plate; 10. a spring; 11. a limiting column; 12. a fixed shaft; 13. a component force lever; 14. rotating the sleeve I; 15. a gear; 16. rotating a sleeve II; 17. a pinch wheel; 18. a chute; 19. a tooth socket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an assembly type building connection node structure comprises a box body 1, a cover plate 2 is fixedly sleeved on the upper surface of the box body 1, a cross beam 3 is fixedly sleeved on the periphery of the box body 1, a clamping block 4 is arranged on the upper surface of the cross beam 3 and positioned in the box body 1 and locked, a first supporting point 5 is fixedly arranged on one side of the interior of the cross beam 3, a second supporting point 6 is fixedly arranged on the other side of the interior of the cross beam 3, a first lever 7 is movably sleeved on the top of the first supporting point 5, a second lever 8 is movably sleeved on the top of the second supporting point 6, the first lever 7 is connected with the middle of the second lever 8 through a connecting rod, a movable plate 9 is fixedly arranged on the upper surfaces of the first lever 7 and the second lever 8, the movable plate 9 is positioned above the cross beam 3, a spring 10 is fixedly arranged between the movable plate 9 and, the left end of the lever II 8 is fixedly connected with a clamping block 4 in the box body 1 arranged at the left end of the cross beam 3, the middle of the box body 1 is movably provided with a limiting column 11, the periphery of the limiting column 11 is fixedly provided with a fixed shaft 12, the outer surface of the fixed shaft 12 is movably sleeved with a component force lever 13, the inner part of the box body 1 is movably sleeved with a rotating sleeve I14, the outer surface of the rotating sleeve I14 is meshed with a gear 15, the outer surface of the gear 15 is meshed with a rotating sleeve II 16, the rotating sleeve I14 is sleeved with the rotating sleeve II 16, the outer surfaces of the rotating sleeve I14 and the rotating sleeve II 16 are respectively provided with a clamping wheel 17, four corners of the box body 1 are symmetrically provided with sliding grooves.
Wherein, the fulcrum I5, the fulcrum II 6, the lever I7 and the lever II 8 are symmetrically arranged in the beam 3, the lever I7 is communicated with the midpoint of the lever II 8, through the symmetrical arrangement of the first fulcrum 5 and the second fulcrum 6 and under the connecting action of the first lever 7 and the second lever 8, so that the weight of the upper surface of the movable plate 9 is increased after bricks are laid on the upper surface, the first lever 7 and the second lever 8 descend at the same time and the height is the same no matter which side of the upper surface of the movable plate 9 is placed, so that the beam 3 is laid to form a wall, after the weight is increased, the weight of the brick can be transmitted to the clamping block 4 to press the beam 3 downwards, and then the beam 3 is placed in the middle of the beam 3 to bear the gravity, after long-time use, the steel plate is easy to fatigue deform and bend downwards, the downward pressure of the clamping block 4 is increased, the pressure at the two ends of the cross beam 3 is increased, and then can slow down the middle part fatigue bending of crossbeam 3, increase the intensity and the life of building.
Wherein, the limit post 11 can move downwards when the cover plate 2 is closed, the component force lever 13 has four curved parts which are mutually contacted to form a circle, the component force lever 13 is in a mirror image Z shape and is arranged by the shape of the component force lever 13 and mutually contacted, under the movement of the restraining column 11, the component force lever 13 may contact the upper surface of the cross beam 3, so that when the middle portion of the cross beam 3 is bent downward in fatigue deformation, the two ends of the cross beam 3 will tilt upwards to push the corresponding component force lever 13 upwards, the force is guided to the cross beam 3 at the two sides under the action of the component force lever 13, the clamping force on the cross beams 3 at the two sides is increased, the service life of the cross beams 3 at the two sides is ensured, meanwhile, after the building shakes, the shaking of the cross beams 3 disperses the force to the two sides through the component force lever 13, due to the annular connection of the component force lever 13, the cross beams 3 arranged in four directions shake to bear force integrally, and the seismic capacity of the building is further enhanced.
Wherein, it is upper and lower two-layer to change a set 14 branch, and interconnect, the connecting rod is the rotation in four corners in box 1, tight pulley 17 is changeing two-layer installation about a set 14, the position of seting up of tooth's socket 19 is crisscross with the tight pulley 17 of the outer surface mounting of a set 14 of commentaries on classics, through changeing the structure setting of a set 14, make tight pulley 17 when pressing from both sides tight spacing to crossbeam 3, both ends all application of force about, it is effectual to press from both sides, the crisscross setting of tooth's socket 19 simultaneously, make changeing two 16 reversals to drive the tight pulley 17 rotation of its installation and change the tight pulley 17 of the installation of a set 14 and press from both sides tight crossbeam 3, it is spacing to control crossbeam.
The working principle of the fabricated building is as follows:
the box body 1 is installed on a stand column, a cross beam 3 and the box body 1 in four directions are movably sleeved, a first rotating sleeve 14 is twisted by hands to drive a second rotating sleeve 16 to rotate reversely, a clamping wheel 17 installed on the outer surface of the first rotating sleeve 14 and the outer surface of the second rotating sleeve 16 clamps the cross beam 3, a limiting column 11 is pushed downwards to drive a component force lever 13 to be in contact with the upper surface of the cross beam 3, an installation clamping block 4 is in contact with the upper surface of the cross beam 3 and is fixedly connected with a second lever 8, a cover plate 2 is covered to be pressed, the cross beam 3 is assembled and installed, a wall surface is built on the upper surface of a movable plate 9, weight on the movable plate 9 is increased to drive the movable plate 9 to move downwards, the first lever 7 and the second lever 8 are driven to move downwards.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an assembly type structure connected node structure, includes box (1), its characterized in that: the upper surface of the box body (1) is fixedly sleeved with a cover plate (2), the periphery of the box body (1) is fixedly sleeved with a cross beam (3), the upper surface of the cross beam (3) is arranged in the box body (1) and is locked with a clamping block (4), one side of the interior of the cross beam (3) is fixedly provided with a first fulcrum (5), the other side of the interior of the cross beam (3) is fixedly provided with a second fulcrum (6), the top of the first fulcrum (5) is movably sleeved with a first lever (7), the top of the second fulcrum (6) is movably sleeved with a second lever (8), the first lever (7) is connected with the middle of the second lever (8) through a connecting rod, the first lever (7) and the second lever (8) are fixedly provided with a movable plate (9), the movable plate (9) is arranged above the cross beam (3), and a spring (10) is fixedly arranged between the movable plate (9) and the cross, the right end of the first lever (7) is fixedly connected with a clamping block (4) in a box body (1) installed at the right end of a cross beam (3), the left end of the second lever (8) is fixedly connected with the clamping block (4) in the box body (1) installed at the left end of the cross beam (3), a limiting column (11) is movably installed in the middle of the box body (1), a fixing shaft (12) is fixedly installed on the periphery of the limiting column (11), a component force lever (13) is movably sleeved on the outer surface of the fixing shaft (12), a first rotating sleeve (14) is movably sleeved inside the box body (1), a gear (15) is meshed on the outer surface of the first rotating sleeve (14), a second rotating sleeve (16) is meshed on the outer surface of the gear (15), the first rotating sleeve (14) is sleeved with the second rotating sleeve (16), and clamping wheels (17) are installed on the outer surfaces of the first rotating sleeve (14) and the second rotating sleeve (16), the four corners of the box body (1) are symmetrically provided with sliding grooves (18), and the outer surface of the rotating sleeve I (14) is provided with tooth grooves (19).
2. A fabricated building connecting node structure according to claim 1, wherein: the first supporting point (5), the second supporting point (6), the first lever (7) and the second lever (8) are symmetrically arranged in the cross beam (3), and the first lever (7) is communicated with the middle point of the second lever (8).
3. A fabricated building connecting node structure according to claim 1, wherein: the limiting column (11) can move downwards when the cover plate (2) is closed, four component force levers (13) are bent and are in mutual contact to form a circle, and the component force levers (13) are mirror-image Z-shaped.
4. A fabricated building connecting node structure according to claim 1, wherein: the rotating sleeve I (14) is divided into an upper layer and a lower layer which are mutually connected, the connecting rods rotate in four corners in the box body (1), the clamping wheels (17) are arranged on the upper layer and the lower layer of the rotating sleeve I (14), and the positions of the tooth grooves (19) are staggered with the clamping wheels (17) arranged on the outer surface of the rotating sleeve I (14).
5. A method of using a fabricated building connecting node structure according to claims 1-4, comprising the method steps of:
s1, mounting the box body (1) on the upright posts, and movably sleeving the cross beams (3) in four directions with the box body (1);
s2, twisting the first rotating sleeve (14) by hand to drive the second rotating sleeve (16) to rotate reversely, and clamping the cross beam (3) by the first rotating sleeve (14) and a clamping wheel (17) arranged on the outer surface of the second rotating sleeve (16);
s3, pushing the limiting column (11) downwards to drive the component force lever (13) to contact with the upper surface of the cross beam (3);
s4, the mounting clamping block (4) is in contact with the upper surface of the cross beam (3) and is fixedly connected with the second lever (8);
s5, covering the upper cover plate (2) for pressing, and finishing the combined installation of the cross beam (3);
s6, bricking the upper surface of the movable plate (9) to form a wall surface;
s7, the weight on the movable plate (9) is increased to drive the movable plate (9) to move downwards, further drive the first lever (7) and the second lever (8) to move downwards, and drive the clamping block (4) to move downwards to press two ends of the cross beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224475.9A CN113123657B (en) | 2021-03-01 | 2021-03-01 | Assembled building connection node structure and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224475.9A CN113123657B (en) | 2021-03-01 | 2021-03-01 | Assembled building connection node structure and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113123657A true CN113123657A (en) | 2021-07-16 |
| CN113123657B CN113123657B (en) | 2023-06-23 |
Family
ID=76772336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110224475.9A Active CN113123657B (en) | 2021-03-01 | 2021-03-01 | Assembled building connection node structure and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113123657B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014055443A (en) * | 2012-09-12 | 2014-03-27 | Shimizu Corp | Precast concrete wall and column-beam joint structure |
| CN108204041A (en) * | 2018-01-31 | 2018-06-26 | 盐城工业职业技术学院 | Construction steel structure attachment device and connection structure |
| CN110005078A (en) * | 2019-04-25 | 2019-07-12 | 郑州航空工业管理学院 | Novel fabricated builds connecting node |
| CN211523538U (en) * | 2020-01-12 | 2020-09-18 | 苏永秀 | Prefabricated building pre-positioning installation structure |
| CN211817399U (en) * | 2019-12-03 | 2020-10-30 | 徐州城泽建筑科技有限公司 | Assembled building crossbeam structure |
| CN212562712U (en) * | 2020-06-19 | 2021-02-19 | 纪现利 | Novel assembly building structure |
-
2021
- 2021-03-01 CN CN202110224475.9A patent/CN113123657B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014055443A (en) * | 2012-09-12 | 2014-03-27 | Shimizu Corp | Precast concrete wall and column-beam joint structure |
| CN108204041A (en) * | 2018-01-31 | 2018-06-26 | 盐城工业职业技术学院 | Construction steel structure attachment device and connection structure |
| CN110005078A (en) * | 2019-04-25 | 2019-07-12 | 郑州航空工业管理学院 | Novel fabricated builds connecting node |
| CN211817399U (en) * | 2019-12-03 | 2020-10-30 | 徐州城泽建筑科技有限公司 | Assembled building crossbeam structure |
| CN211523538U (en) * | 2020-01-12 | 2020-09-18 | 苏永秀 | Prefabricated building pre-positioning installation structure |
| CN212562712U (en) * | 2020-06-19 | 2021-02-19 | 纪现利 | Novel assembly building structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113123657B (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109972891B (en) | Prefabricated steel structure-based fabricated steel plate net concrete-encased shear wall structure | |
| CN108222476A (en) | A kind of assembled architecture safe construction platform | |
| CN112324855B (en) | Assembled type building damping device and working method thereof | |
| CN113123657A (en) | Assembly type building connecting node structure and using method thereof | |
| CN101660326A (en) | Demountable flowing building framework | |
| CN113649972A (en) | Mounting device for assembled building column beam and working method thereof | |
| CN211472848U (en) | Steel construction of high anti-seismic performance | |
| CN208056587U (en) | A kind of assembled architecture safe construction platform | |
| CN214941049U (en) | Assembly type building structure | |
| CN114482285B (en) | Integrated assembly type steel structure building | |
| CN213296676U (en) | Universal connecting component applied to house | |
| KR102252215B1 (en) | Drop down device for slab panel support | |
| CN214657710U (en) | Steel structure framework of prefabricated house | |
| CN212537178U (en) | Anti-seismic connecting component for building electromechanical equipment | |
| JP2008208612A (en) | External aseismatic reinforcing structure | |
| CN115596092A (en) | Assembled honeycomb building structure that can build fast | |
| CN220080740U (en) | Eccentric anti-falling device | |
| CN219909612U (en) | Anti-seismic steel structure upright post | |
| CN213329677U (en) | Assembled building steel structure box steel column | |
| CN219365923U (en) | Building construction movable cat ladder capable of being turned over | |
| CN213709878U (en) | Truss door type steel structure | |
| CN216195426U (en) | Prefabricated plate column connecting node for modular installation | |
| CN213204746U (en) | Novel roof net rack | |
| CN220811724U (en) | Lifting device for building engineering | |
| CN213390534U (en) | Modular building steel construction for house |
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: 20230531 Address after: 266000 Room 502, building 10, No. 18, Zhuyuan Road, high tech Zone, Qingdao, Shandong Applicant after: Yuguang Engineering Consulting Co.,Ltd. Address before: No.44, Shekou old street, Haibin community, Shekou street, Nanshan District, Shenzhen, Guangdong 518000 Applicant before: Shenzhen Mingshang Construction Engineering Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |