CN207003645U - A kind of connecting node of prefabricated post and precast beam - Google Patents
A kind of connecting node of prefabricated post and precast beam Download PDFInfo
- Publication number
- CN207003645U CN207003645U CN201720339682.8U CN201720339682U CN207003645U CN 207003645 U CN207003645 U CN 207003645U CN 201720339682 U CN201720339682 U CN 201720339682U CN 207003645 U CN207003645 U CN 207003645U
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- prefabricated post
- precast beam
- connecting portion
- prefabricated
- node
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- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 210000003205 muscle Anatomy 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 230000010412 perfusion Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 13
- 235000010627 Phaseolus vulgaris Nutrition 0.000 abstract description 5
- 244000046052 Phaseolus vulgaris Species 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 230000005226 mechanical processes and functions Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model belongs to building engineering field, specifically disclose a kind of prefabricated post and the connecting node of precast beam, including prefabricated post and an at least precast beam, connection bracket is embedded with the prefabricated post, the connection bracket includes connecting portion and the anchor rib being fixedly connected with connecting portion, the anchor rib is anchored in the prefabricated post, and the connecting portion extend out to the outside of the prefabricated post, and the precast beam is overlapped on the connecting portion.Prefabricated post forms effective dry type by bracket with precast beam and is connected in bean column node of the present utility model, wet-less operation, be advantageous to the conduction of power between prefabricated component, meet the construction quality and technical performance of building, simultaneously without cast-in-place concrete in assembling process, cost savings, speed of application is fast, short construction period.
Description
Technical field
The utility model belongs to building engineering field, more particularly to a kind of prefabricated post and the connecting node of precast beam.
Background technology
Assembling frame structure can greatly improve construction ability and construction speed, be ensured while saving a large amount of labours
Build guality.Connected mode is the key problem of the structure in assembling frame structural system, while is also the weakness of the structure
Link, as long as there is reliable connection the junction of prefabricated components, it just can guarantee that the safe and reliable of structure.Conventional beam column at present
It is connected with two kinds, it is a kind of by the way of composite beam, although such a mode can ensure that the globality of node and connection can well
By property, but substantial amounts of cast-in-place work be present, node is mostly situ wet operation, and cloth muscle is complicated, not easy to operate, construction period
Slowly.Another kind is to penetrate reserving hole channel in whole precast beam using prestress wire, but presstressed reinforcing steel perforation workload is big,
Longer duct grouting construction inconvenience, and be not easy to install, flexibility and speed of application must be built by reducing assembling frame structure.
For the bean column node of assembling frame structure, especially low layer assembling frame structure (such as villa), in order to the greatest extent
Amount simplifies connecting structure and construction technology, improves the efficiency of construction of bean column node connection, needs badly and develops new frame beam column connection
Node, in it can simplify site operation on the premise of meeting strength performance, facilitate execute-in-place, simplify construction technology, reduce
Assembling duration.
Utility model content
The purpose of this utility model is to provide a kind of simple structure, easy construction, can effectively improve the prefabricated of efficiency of assembling
The connecting node of post and precast beam.
Above-mentioned purpose is to be achieved through the following technical solutions：A kind of connecting node of prefabricated post and precast beam, including it is prefabricated
Post and at least a precast beam, connection bracket is embedded with the prefabricated post, and the connection bracket includes connecting portion and with being connected
The anchor rib that portion is fixedly connected, the anchor rib are anchored in the prefabricated post, and the connecting portion extend out to the prefabricated post
Outside, the precast beam are overlapped on the connecting portion.The utility model will connect bracket anchor in the prefabrication process of prefabricated post
Gu in prefabricated post so that connection bracket is formed with prefabricated post and is reliably connected, in assembling process, hoisting prefabricated post, prefabricated post
After standing well, then hoisting prefabricated beam so that precast beam is overlapped on the connecting portion of the connection bracket and preferably with being connected bracket shape
Into being reliably connected, prefabricated post forms effective dry type by bracket with precast beam and is connected in above-mentioned bean column node, wet-less operation,
Be advantageous to the conduction of power between prefabricated component, meet the construction quality and technical performance of building, while without existing in assembling process
Pouring concrete, cost savings, speed of application is fast, short construction period.
, then need to be pre- in prefabricated post when needing to be respectively provided with precast beam in more sides of prefabricated post in actual mechanical process
Multiple connection brackets are buried, are then connected by connecting bracket with more precast beams, it is prefabricated such as prefabricated post only side connection precast beam
The relative two sides connection precast beam of post, the two adjacent sides connection precast beam of prefabricated post, the three sides connection of prefabricated post are pre-
Four sides of beam processed or prefabricated post are all connected with precast beam.
Further, girder rib is provided with the prefabricated post, the girder rib is connected with the anchor rib.It is arranged such, increases
Add anchor force of the connection bracket in prefabricated post, improve globality of the prefabricated post with being connected bracket.
Further, the precast beam is overlapped on the bottom of one end on the connecting portion and is provided with buckling groove, the buckling groove
Size the size of precast beam outer portion be exposed at the connecting portion match, the connecting portion is embedded in the buckling groove.
The size of the buckling groove and the size of the bracket match, the bracket be embedded in the buckling groove after can operative constraint it is pre-
The end of beam processed, it is ensured that beam-ends destroyed under geological process it is smaller do not destroy even, now, bracket and precast beam are without use it
He is attached connector, simplifies construction technology.
Further, one end that the precast beam is overlapped on the connecting portion is provided with patchhole, is set at the top of the connecting portion
There is insertion muscle, described insertion muscle one end is connected with connecting portion, inserted in the hole described in other end insertion.In this way, in assembling process,
The lapping ends of precast beam need to only be caused while on the bracket being arranged in prefabricated post in the hoisting process of precast beam
Insert inserts inserting in the hole in the precast beam, and said structure is advantageous to the biography of power between prefabricated post and precast beam
Lead, while greatly improve field erected efficiency, improve construction speed.Inserting in the insert insertion precast beam on connecting portion
Being reliably connected for prefabricated post and precast beam can not only be realized by entering the mode in hole, at the same can operative constraint precast beam end, it is ensured that
Beam-ends destroys under geological process smaller not to be destroyed even.
Further, described insert in the hole is perfused with grouting material.In this way, anchoring piece can be connected with precast beam by grouting material
It is integral, and then increase the globality of bracket and precast beam, connection is more reliable, and the grouting material is preferably mortar.
Further, one end that the precast beam is overlapped on connecting portion is embedded with connector, and the connecting portion is provided with installation
Hole, the connecting portion are connected with connector by bolt.In this way, adding prefabricated component is coupled tension ability, be advantageous to prefabricated component
Between power conduction, meet building construction quality and technical performance.
Further, the connector includes connecting plate and the anchoring supporting leg being arranged on connecting plate, the connecting plate are opened
Provided with jack hole.It is preferred that the connecting plate is fixedly connected with the lengthening nut being used cooperatively with the bolt, the lengthening nut
An end closure, the other end is fixedly connected on connecting plate and opens up medial surface at jack hole, worn after mounting hole described in the bolt
Cross in the jack hole insertion lengthening nut.In this way, gathering hole need not be opened up in precast beam.It should be noted that herein
Described medial surface refers to the side of the connecting plate into precast beam.
Further, the medial surface of the connecting plate is provided with nut, and described nut one end is connected at jack hole, other end set
It is connected to sleeve.It is preferred that the nut is for plastic manufacturing and with being interference fitted with sleeve.It should be noted that inner side described herein
Face refers to the side of the connecting plate into precast beam.
Further, the connector is branch sleeve, the branch sleeve offers be used cooperatively with the bolt in
Screw thread, the openend of the branch sleeve connect with prefabricated soffit, and the bolt inserts the company after passing through the mounting hole
In female connector cylinder.
Further, the connecting portion is can, and reinforcement or ribs are provided with the can.It is arranged such, increases
Add the rigidity and stretching resistance of can side wall, improve the ability of the bearing load of bracket.It is preferred that the both ends difference of the reinforcement
Connect two side walls of the connection box.It is preferred that can one side is open, so without opening up gathering hole in addition.It should be appreciated that
In the case of as gathering hole, the opening surface outside precast beam with connecting.
Further, at least two precast beams and the two sides of the prefabricated post are spliced, and the prefabricated post is at least provided with two
Bracket is connected, the anchor rib of described two connection brackets shifts to install.It is arranged such, multiple precast beams is connected with prefabricated post
In the case of, avoid the occurrence of the anchor rib situation that position is fought in prefabricated post for connecting bracket.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
Fig. 1 is the front cross-sectional of the connecting node of the prefabricated post and precast beam involved by a kind of embodiment of the utility model
Figure；
Fig. 2 is the A-A faces sectional view of the connecting node of the prefabricated post and precast beam involved by Fig. 1；
Fig. 3 is the cross-sectional end view of precast beam involved in Fig. 1；
Fig. 4 is that the front of the connecting node of the prefabricated post and precast beam involved by the utility model another embodiment is cutd open
View；
Fig. 5 and Fig. 6 is respectively the connecting node of the prefabricated post and precast beam involved by a kind of embodiment of the utility model
Top plan view.
In figure：
The precast beam 3 of 1 prefabricated post 2 connects the connecting portion of bracket 4
The patchhole 8 of 5 anchor rib, 6 buckling groove 7 inserts muscle
The gathering hole of 9 grouting material 10
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to the scope of protection of the utility model.In addition, those skilled in the art's retouching according to this document
State, respective combination can be carried out to the feature in embodiment in this document and in different embodiments.
The utility model embodiment is as follows, referring to Figures 1 and 2, a kind of prefabricated post 1 and the connecting node of precast beam 2, including
Prefabricated post 1 and at least a precast beam 2, connection bracket 3 is embedded with the prefabricated post 1, and the connection bracket 3 includes connecting portion
4 and the anchor rib 5 that is fixedly connected with connecting portion 4, the anchor rib 5 be anchored in the prefabricated post 1, the connecting portion 4 stretches out
To the outside of the prefabricated post 1, the precast beam 2 is overlapped on the connecting portion 4.The utility model is prefabricated prefabricated post 1
During, connection bracket 3 is anchored in prefabricated post 1 so that connection bracket 3 is formed with prefabricated post 1 and is reliably connected, and is being assembled
Cheng Zhong, hoisting prefabricated post 1, after prefabricated post 1 is stood well, then hoisting prefabricated beam 2 so that precast beam 2 is overlapped on the connection bracket 3
It is reliably connected on connecting portion 4 and preferably with being connected the formation of bracket 3, prefabricated post 1 passes through ox with precast beam 2 in above-mentioned bean column node
Leg forms effective dry type connection, wet-less operation, is advantageous to the conduction of power between prefabricated component, meets the construction quality and skill of building
Art performance, while without cast-in-place concrete in assembling process, cost savings, speed of application is fast, short construction period.
In actual mechanical process, as shown in Figure 1, Figure 2, Fig. 5 and Fig. 6, it is respectively provided with when needing the one side or the multi-lateral in prefabricated post 1
During precast beam 2, then need in prefabricated post 1 it is pre-buried it is multiple connection brackets 3, then by connecting bracket 3 and the more phases of precast beam 2
Even, such as the only side connection precast beam 2 of prefabricated post 1, the relative two sides connection precast beam 2 of prefabricated post 1, the two-phase of prefabricated post 1
Adjacent side connects precast beam 2, and the three sides connection precast beam 2 of prefabricated post 1 or four sides of prefabricated post 1 are all connected with pre-
Beam 2 processed.
On the basis of above-described embodiment, in another embodiment of the utility model, girder rib, institute are provided with the prefabricated post 1
Girder rib is stated with the anchor rib 5 to be connected.It is arranged such, anchor force of the increase connection bracket 3 in prefabricated post 1, improves prefabricated
Post 1 and the globality for being connected bracket 3.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 1 and Fig. 3, the precast beam 2 overlaps
The bottom of one end on the connecting portion 4 is provided with buckling groove 6, and the size of the buckling groove 6 is exposed at pre- with the connecting portion 4
The size of the outer portion of beam 2 processed matches, and the connecting portion 4 is embedded in the buckling groove 6.The size of the buckling groove 6 with it is described
The size of bracket matches, the bracket be embedded in the buckling groove 6 after can operative constraint precast beam 2 end, it is ensured that beam-ends
Destroyed under geological process it is smaller do not destroy even, now, bracket and precast beam 2 without being attached using other connectors,
Simplify construction technology.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 4, the precast beam 2 is overlapped on described
One end on connecting portion 4 is provided with patchhole 7, and the top of connecting portion 4 is provided with insertion muscle 8, described insertion one end of muscle 8 and connecting portion
4 are connected, and the other end is inserted in the patchhole 7.In this way, in assembling process, it is only necessary to will be pre- in the hoisting process of precast beam 2
The lapping ends of beam 2 processed cause insert to insert inserting in the precast beam 2 while on the bracket being arranged in prefabricated post 1
Enter in hole 7, said structure is advantageous to the conduction of power between prefabricated post 1 and precast beam 2, while greatly improves field erected
Efficiency, improve construction speed.The mode of the patchhole 7 in insert insertion precast beam 2 on connecting portion 4 can not only be realized pre-
Post 1 processed is reliably connected with precast beam 2, at the same can operative constraint precast beam 2 end, it is ensured that beam-ends destroys under geological process
It is smaller not destroy even.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 4, it is perfused with the patchhole 7
Slurry 9.In this way, can be connected with precast beam 2 anchoring piece by grouting material 9 integral, and then increase the whole of bracket and precast beam 2
Body, connection is more reliable, and the grouting material 9 is preferably mortar.
On the basis of above-described embodiment, in another embodiment of the utility model, the precast beam 2 is overlapped on connecting portion 4
One end be embedded with connector, the connecting portion 4 is provided with mounting hole, and the connecting portion 4 is connected with connector by bolt.Such as
This, adds prefabricated component and is coupled tension ability, be advantageous to the conduction of power between prefabricated component, meets the construction quality and technology of building
Performance.
On the basis of above-described embodiment, in another embodiment of the utility model, the connector includes connecting plate and set
The anchoring supporting leg on connecting plate is put, the connecting plate offers jack hole.It is preferred that the connecting plate be fixedly connected with it is described
The lengthening nut that bolt is used cooperatively, the end closure for lengthening nut, the other end, which is fixedly connected on connecting plate and opens up to wear, to be connect
Medial surface at hole, through in the jack hole insertion lengthening nut after mounting hole described in the bolt.In this way, precast beam
Gathering hole 10 need not be opened up in 2.It should be noted that medial surface described herein refers to that into precast beam 2 of connecting plate
Face.
On the basis of above-described embodiment, in another embodiment of the utility model, the medial surface of the connecting plate is provided with nut,
Described nut one end is connected at jack hole, and the other end is socketed with sleeve.It is preferred that the nut be plastic manufacturing and with sleeve
Interference fit.It should be noted that medial surface described herein refers to the side of the connecting plate into precast beam 2.
On the basis of above-described embodiment, in another embodiment of the utility model, the connector is branch sleeve, the company
Female connector cylinder offers the internal thread being used cooperatively with the bolt, and the openend of the branch sleeve connects with the bottom surface of precast beam 2,
The bolt is inserted in the branch sleeve after passing through the mounting hole.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 1, the connecting portion 4 is can,
Reinforcement or ribs are provided with the can.It is arranged such, increases the rigidity and stretching resistance of can side wall, improves bracket
Bearing load ability.It is preferred that the both ends of the reinforcement connect two side walls of the connection box respectively.It is preferred that metal
Box one side is open, so without opening up gathering hole 10 in addition.It should be appreciated that in the case of as gathering hole 10, the opening surface
With being connected outside precast beam 2.
On the basis of above-described embodiment, in another embodiment of the utility model, such as Fig. 5 and Fig. 6, at least two precast beams 2
Splice with the two sides of the prefabricated post 1, the prefabricated post 1 is at least provided with two connection brackets 3, described two connection brackets 3
Anchor rib 5 shift to install.It is arranged such, in the case where prefabricated post 1 is connected with multiple precast beams 2, avoids the occurrence of connection ox
The situation that position is fought in prefabricated post 1 of anchor rib 5 of leg 3.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. the connecting node of a kind of prefabricated post and precast beam, including prefabricated post and an at least precast beam, it is characterised in that described
Connection bracket is embedded with prefabricated post, the connection bracket includes connecting portion and the anchor rib being fixedly connected with connecting portion, described
Anchor rib is anchored in the prefabricated post, and the connecting portion extend out to the outside of the prefabricated post, and the precast beam is overlapped on institute
State on connecting portion.
2. the connecting node of prefabricated post according to claim 1 and precast beam, it is characterised in that be provided with the prefabricated post
Girder rib, the girder rib are connected with the anchor rib.
3. the connecting node of prefabricated post according to claim 1 and precast beam, it is characterised in that the precast beam is overlapped on
The bottom of one end on the connecting portion is provided with buckling groove, and the size of the buckling groove is exposed at outside precast beam with the connecting portion
Partial size matches, and the connecting portion is embedded in the buckling groove.
4. the connecting node of prefabricated post according to claim 1 and precast beam, it is characterised in that the precast beam is overlapped on
One end on the connecting portion is provided with patchhole, and insertion muscle, described insertion muscle one end and connecting portion are provided with the top of the connecting portion
It is connected, is inserted in the hole described in other end insertion.
5. the connecting node of prefabricated post according to claim 4 and precast beam, it is characterised in that the perfusion that inserts in the hole
There is grouting material.
6. the connecting node of prefabricated post according to claim 1 or 2 and precast beam, it is characterised in that the precast beam is taken
The one end being connected on connecting portion is embedded with connector, and the connecting portion is provided with mounting hole, and the connecting portion and connector pass through spiral shell
Bolt is connected.
7. the connecting node of prefabricated post according to claim 6 and precast beam, it is characterised in that the connector includes connecting
Fishplate bar and the anchoring supporting leg being arranged on connecting plate, the connecting plate offer jack hole.
8. the connecting node of prefabricated post according to claim 6 and precast beam, it is characterised in that the connector is connection
Sleeve, the branch sleeve offer the internal thread being used cooperatively with the bolt, the openend of the branch sleeve with it is prefabricated
Soffit is connected, and the bolt is inserted in the branch sleeve after passing through the mounting hole.
9. the connecting node of prefabricated post according to claim 7 and precast beam, it is characterised in that the connecting portion is metal
Box, the can is interior to be provided with reinforcement or ribs；Or the medial surface of the connecting plate is provided with nut, described nut one end connects
It is connected at jack hole, the other end is socketed with sleeve.
10. the connecting node of the prefabricated post and precast beam according to Claims 1 to 4 any one, it is characterised in that at least
Two precast beams and the two sides of the prefabricated post are spliced, and the prefabricated post is at least provided with two connection brackets, described two companies
The anchor rib for connecing bracket shifts to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339682.8U CN207003645U (en) | 2017-03-31 | 2017-03-31 | A kind of connecting node of prefabricated post and precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339682.8U CN207003645U (en) | 2017-03-31 | 2017-03-31 | A kind of connecting node of prefabricated post and precast beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207003645U true CN207003645U (en) | 2018-02-13 |
Family
ID=61428750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720339682.8U Active CN207003645U (en) | 2017-03-31 | 2017-03-31 | A kind of connecting node of prefabricated post and precast beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207003645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779040A (en) * | 2018-12-26 | 2019-05-21 | 上海建工集团股份有限公司 | Prefabricated assembled light-duty wooden and its installation method |
| CN112177153A (en) * | 2020-08-10 | 2021-01-05 | 锦萧建筑科技有限公司 | Connecting mechanism and connecting method of frame nodes |
-
2017
- 2017-03-31 CN CN201720339682.8U patent/CN207003645U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779040A (en) * | 2018-12-26 | 2019-05-21 | 上海建工集团股份有限公司 | Prefabricated assembled light-duty wooden and its installation method |
| CN109779040B (en) * | 2018-12-26 | 2020-11-27 | 上海建工集团股份有限公司 | Prefabricated light wood structure and mounting method thereof |
| CN112177153A (en) * | 2020-08-10 | 2021-01-05 | 锦萧建筑科技有限公司 | Connecting mechanism and connecting method of frame nodes |
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Assignee: China Civil Architecture Friends Technology (Jiaozhou) Co., Ltd. Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: 2018430000023 Denomination of utility model: Prefabricated post and beam manufacturing's connected node in advance Granted publication date: 20180213 License type: Common License Record date: 20190102 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanning Zhongmin zhuyou Intelligent Manufacturing Technology Co., Ltd Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: X2019430000004 Denomination of utility model: Prefabricated post and beam manufacturing's connected node in advance Granted publication date: 20180213 License type: Common License Record date: 20191105 |
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Assignee: Xiangxi Zhongmin zhuyou Technology Co., Ltd Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: X2020430000002 Denomination of utility model: Prefabricated post and beam manufacturing's connected node in advance Granted publication date: 20180213 License type: Common License Record date: 20200305 |
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Address after: 41000 Changsha zhuyou Zhizao Technology Investment Co., Ltd Patentee after: Zhuyou Zhizao Technology Investment Co., Ltd Address before: 410205 comprehensive building in Hunan province Changsha Kaifu District, No. 30 Xingang Road, Changsha Jinxia bonded logistics center room 2005 Patentee before: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT Ltd. |
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Assignee: Nantong Zhongmin zhuyou Zhizao Technology Co., Ltd Assignor: Zhuyou Zhizao Technology Investment Co., Ltd Contract record no.: X2020980007488 Denomination of utility model: A joint between precast column and precast beam Granted publication date: 20180213 License type: Common License Record date: 20201105 |
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Assignee: Hunan Yuanfeng Construction Engineering Co.,Ltd. Assignor: Zhuyou Zhizao Technology Investment Co., Ltd Contract record no.: X2021980000884 Denomination of utility model: A joint between precast column and precast beam Granted publication date: 20180213 License type: Common License Record date: 20210203 |
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