CN208078566U - A kind of city integrated piping lane intersection pipeline portal structure and city integrated piping lane system - Google Patents
A kind of city integrated piping lane intersection pipeline portal structure and city integrated piping lane system Download PDFInfo
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- CN208078566U CN208078566U CN201820482049.9U CN201820482049U CN208078566U CN 208078566 U CN208078566 U CN 208078566U CN 201820482049 U CN201820482049 U CN 201820482049U CN 208078566 U CN208078566 U CN 208078566U
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Abstract
The utility model is related to a kind of city integrated piping lane intersection pipeline portal structure and city integrated piping lane systems.City integrated piping lane intersection pipeline portal structure includes multiple built-in fittings, is arranged at intervals at the top of the intersection of city integrated piping lane；Support frame, including multiple and the built-in fitting montant to connect one to one and the multiple layer frames laid along montant longitudinally, each layer frame includes being generally aligned in the same plane interior multiple cross bars, and cross bar connects two adjacent montants；Wherein, city integrated piping lane intersection includes multigroup pipeline, has different default circuits between each group pipeline, each layer frame supports an at least pipeline, and the default circuit of the pipeline of each layer frame support is non-intersecting.City integrated piping lane intersection pipeline portal structure provided by the utility model and city integrated piping lane system, there can be the communication line of each side pipe line in enough space layout intersections, and it can realize that each layer of pipeline communication line is not intersected and not chaotic, ensures that each side pipe line in intersection interconnects.
Description
Technical field
The utility model is related to city integrated piping lane technical fields, are managed more particularly to a kind of city integrated piping lane intersection
Line portal structure and city integrated piping lane system.
Background technology
City integrated piping lane usually has cross junction and T-junction mouth structure, each side pipe line in intersection that should interconnect.
Number of cables is numerous in pipe gallery, and type is complicated, and specification is larger, and various cable bend radius also need to meet《City integrated pipe
Corridor engineering legislation》GB50838-2015 requirements.
Due to each side pipe line in intersection interconnect it is extremely complex, to avoid each side pipe line from being rushed by the way that intersection is mutual
It is prominent, it is necessary to which that in the position and trend of plane and the good cable of space planning, therefore the cable tray of intersection has to meet accordingly
It is required that.
But existing cable tray is simple in structure, and size is smaller, cannot be satisfied pipe gallery intersection in large space, greatly across
In the case of degree and cable complexity, the requirement that each side pipe line in intersection interconnects is realized.
Utility model content
Based on this, it is necessary to for existing cable tray cannot be satisfied pipe gallery intersection large space, large span and
In the case of cable complexity, realize that each side pipe line in intersection interconnects the problem of requiring, provide it is a kind of can in large space, greatly across
In the case of degree and cable complexity, the city integrated piping lane intersection pipeline crane span structure knot that each side pipe line in intersection interconnects is realized
Structure and city integrated piping lane system.
A kind of city integrated piping lane intersection pipeline portal structure, is set to the intersection of the city integrated piping lane of intercommunication
Place, city integrated piping lane intersection pipeline portal structure includes multiple built-in fittings, is arranged at intervals at the friendship of the city integrated piping lane
At the top of prong；Support frame, including multiple lay with the built-in fitting montant to connect one to one and along the montant longitudinally
Multiple layer frames, each layer frame include being generally aligned in the same plane interior multiple cross bars, which connects two adjacent montants；Its
In, the intersection of the city integrated piping lane includes multiple pipelines, has different predetermined paths between each group pipeline, each
At least one set of pipeline of layer frame support, and the predetermined paths of the pipeline of each layer frame support are non-intersecting.
Above-mentioned city integrated piping lane intersection pipeline portal structure, because layer frame is laid along montant longitudinally, and can be because of reality
If dried layer is arranged in border demand, therefore has the communication line of each side pipe line in enough space layout intersections, and because of each layer frame
The pipeline of support is non-intersecting, you can realizes that each layer of pipeline communication line is not intersected and not chaotic, then can guarantee city integrated
Each side pipe line in intersection of piping lane interconnects.
Above-mentioned each layer frame includes multiple grid cells in one of the embodiments, and each grid cell is by first
Two adjacent above-mentioned cross bars that direction extends and along the second direction vertical with the first direction extend it is two adjacent on
Cross bar connection is stated to enclose and set to be formed.
The above-mentioned grid cell of each above-mentioned layer frame periphery supports at least partly above-mentioned pipe in one of the embodiments,
Line.
The type of the above-mentioned pipeline of each above-mentioned layer frame support is identical in one of the embodiments,.
Spacing in one of the embodiments, between the adjacent above-mentioned montant of above-mentioned support frame is identical.
Above-mentioned montant and above-mentioned cross bar are angle steel in one of the embodiments,.
Above-mentioned built-in fitting includes steel plate and dowel in one of the embodiments, which is embedded in above-mentioned city integrated
At the top of the intersection of piping lane and one end is connected to the one side of the steel plate, the another side of the steel plate and above-mentioned city integrated piping lane
Intersection at the top of bottom surface be concordantly arranged.
Above-mentioned montant is welded in above-mentioned built-in fitting in one of the embodiments, above-mentioned cross bar be welded in two it is adjacent on
It states between montant.
A kind of city integrated piping lane system, including the city integrated piping lane of multiple intercommunications and above-mentioned city integrated piping lane intersect
Mouth pipeline portal structure.
Above-mentioned city integrated piping lane system, by the way that city integrated piping lane is arranged in the city integrated piping lane intersection of intercommunication
Intersection pipeline portal structure, the portal structure can be arranged several because layer frame is along the laying of montant longitudinally because of actual demand
Layer, therefore has the communication line of each side pipe line in enough space layout intersections, and because of the pipeline of each layer frame support not phase
It hands over, you can realize that each layer of pipeline communication line is not intersected and not chaotic, then can guarantee the intersection of city integrated piping lane
Each side pipe line interconnects.
A kind of city integrated piping lane intersection pipeline portal structure, is set to the intersection of the city integrated piping lane of intercommunication
Place, city integrated piping lane intersection pipeline portal structure includes multiple built-in fittings, is arranged at intervals at the friendship of the city integrated piping lane
At the top of prong；Support frame, including multiple lay with the built-in fitting montant to connect one to one and along the montant longitudinally
Multiple layer frames, each layer frame include being generally aligned in the same plane interior multiple cross bars, which connects two adjacent montants；Its
In, the intersection of the city integrated piping lane includes multigroup pipeline, has different default circuits between each group pipeline, each to be somebody's turn to do
Layer frame supports at least one pipeline, and the default circuit of the pipeline of each layer frame support is non-intersecting；Each layer frame includes
Multiple grid cells, two adjacent cross bars and edge that each grid cell is extended by first direction hang down with the first direction
Two adjacent cross bars connection that straight second direction extends, which is enclosed, to be set to be formed；The grid cell of each layer frame periphery supports
At least partly pipeline.
Above-mentioned city integrated piping lane intersection pipeline portal structure, because layer frame is laid along montant longitudinally, and can be because of reality
If dried layer is arranged in border demand, therefore has the communication line of each side pipe line in enough space layout intersections, and because of each layer frame
The pipeline of support is non-intersecting, you can realizes that each layer of pipeline communication line is not intersected and not chaotic, then can guarantee city integrated
Each side pipe line in intersection of piping lane interconnects；In addition each layer frame includes multiple grid cells, and grid cell is compact-sized,
Pipeline can more securely be supported；Grid cell support at least partly pipeline in each layer frame periphery is set, layer frame can be made
Outer profile it is consistent with the default line direction of pipeline, reduce the occupied space of each layer frame, saved cost.
Description of the drawings
Fig. 1 is the structural representation of the city integrated piping lane intersection multilayer pipeline portal structure of one embodiment of the utility model
Figure；
Fig. 2 is the structural schematic diagram at the A-A of city integrated piping lane intersection multilayer pipeline portal structure shown in FIG. 1；
Fig. 3 is the structural schematic diagram at the B-B of city integrated piping lane intersection multilayer pipeline portal structure shown in FIG. 1；
Fig. 4 is the structural schematic diagram at the C-C of city integrated piping lane intersection multilayer pipeline portal structure shown in FIG. 1；
Fig. 5 is that the first layer layer frame pipeline of city integrated piping lane intersection multilayer pipeline portal structure shown in FIG. 1 is arranged
Schematic diagram；
Fig. 6 is the second layer layer frame and layer 5 of city integrated piping lane intersection multilayer pipeline portal structure shown in FIG. 1
Layer frame pipeline arrangement schematic diagram；
Fig. 7 be city integrated piping lane intersection multilayer pipeline portal structure shown in FIG. 1 the 4th layer by layer frame pipeline arrange
Schematic diagram；
Fig. 8 is the third layer layer frame and layer 6 of city integrated piping lane intersection multilayer pipeline portal structure shown in FIG. 1
Layer frame pipeline arrangement schematic diagram.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.Make to the utility model on the contrary, purpose of providing these embodiments is
The understanding of disclosure is more thorough and comprehensive.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
Any and all combinations of one or more relevant Listed Items.
As shown in FIG. 1 to 3, it is the city integrated piping lane intersection pipeline portal structure of one embodiment of the utility model
100, it is set at the intersection 210 of the city integrated piping lane 200 of intercommunication, including multiple built-in fittings 10 and connect with built-in fitting
Support frame 20.The support frame 20 is used to support the city integrated of the not homonymy at the intersection of city integrated piping lane 200 210
The pipeline of piping lane 200.
In the present embodiment, the intersection 210 of city integrated piping lane 200 is intersection, and city integrated piping lane
200 be single cabin formula pipe gallery, be equipped in the city integrated piping lane 200 power cable pipeline 221, communication cable pipeline 222 and
Feedwater piping 223.Specifically, as shown in figure 4, the power cable pipeline 221 and communication cable pipeline of the city integrated piping lane 200
222 are located at the both sides of the city integrated piping lane 200, and are supported by 224 points of multilayers of holder.In other embodiments,
200 intersection 210 of city integrated piping lane or T fonts intersection or its alloytype intersection, city integrated piping lane 200 can be double
Cabin formula pipe gallery or other kinds of comprehensive pipe gallery structure, do not limit herein.
Referring again to Fig. 2 and Fig. 3, the intersection 210 that multiple built-in fittings 10 are arranged at intervals at city integrated piping lane 200 is pushed up
Portion.In the present embodiment, built-in fitting 10 includes steel plate and dowel, and the intersection 210 that dowel is embedded in city integrated piping lane 200 is pushed up
Portion and one end are connected to the one side of steel plate, the 210 top bottom surface of intersection of the another side of steel plate and city integrated piping lane 200
Concordant setting.The structure be the top of intersection 210 to city integrated piping lane 200 carry out construction be carried out at the same time it is pre-buried, therefore
The 210 top stable connection of intersection of built-in fitting 10 and city integrated piping lane 200, and the one side of steel plate is used as connection branch
The joint face of support frame 20, connection area is big, and connection is also strengthened while being conveniently operated.
It in other embodiments, can also be after the completion of the 210 top construction of intersection to city integrated piping lane 200 again
Built-in fitting 10 is installed, which connect with 210 top bolt of intersection of city integrated piping lane 200, or other
Mode, this is not restricted.
In the present embodiment, the distance between two neighboring built-in fitting 10 is identical, only close to city integrated piping lane 200
Two 200 corners of city integrated piping lane at intersection 210 are provided with the built-in fitting 10 of smaller spacing, comprehensive to adapt to city
The bulk at the intersection 210 of piping lane 200 is closed, is further made full use of at the intersection 210 of city integrated piping lane 200
Space.
Support frame 20 includes multiple montants 21 to connect one to one with built-in fitting 10 and is laid along 21 longitudinally of montant
It includes being generally aligned in the same plane interior multiple cross bars 23 to have multiple layer frames 22, each layer frame 22, and it is perpendicular that cross bar 23 connects adjacent two
Bar 21；Wherein, at the intersection 210 of city integrated piping lane 200 include multigroup pipeline, there are different default lines between each group pipeline
Road, each layer frame 22 supports an at least pipeline, and the default circuit of the pipeline of the support of each layer frame 22 is non-intersecting.
It should be appreciated that the default circuit refers to the pipeline of the city integrated piping lane 200 of the not homonymy at intersection 210
Communication line, according to specific pipeline type, the difference of installation position of all kinds of pipelines in city integrated piping lane 200, connection
Circuit is also different.
The city integrated piping lane intersection pipeline portal structure 100, because layer frame 22 is laid along 21 longitudinally of montant, and can
If because of actual demand setting dried layer, therefore having the communication line of each side pipe line at enough space layout intersections 210, and because every
The pipeline of one layer frame 22 support is non-intersecting, you can realizes that each layer of pipeline communication line is not intersected and not chaotic, then can guarantee
Each side pipe line interconnects at the intersection 210 of city integrated piping lane 200.
In the present embodiment, montant 21 is welded in built-in fitting 10.Specifically, montant 21 is angle steel, and one end is welded in steel
The exposed side of plate.In other embodiments, montant 21 can also be connected to built-in fitting 10 in other ways, for example, with built-in fitting 10
Structure is removably coupled, is clamped or is threadedly coupled etc., and montant 21 or other shaped steel, this is not restricted.
In a particular embodiment, the layer frame 22 of support frame 20 build quantity need to be according to actual cities pipe gallery 200
Line conditions depending on, be directly welded at after not at the very start carrying out support frame 20 on built-in fitting 10.Determining support frame
After 20 22 number and shape of layer frame, from the intersection of city integrated piping lane 200,210 top down is welded successively by erecting on demand
The layer frame 22 that bar 21 and cross bar 23 form, and when next layer of montant 21 and last layer montant 21 are along 22 longitudinally of montant
When upper overlapping, next layer of montant 21 can be directly soldered to one end of frame 22 from level to level under of last layer montant 21, favorably
In simplified 20 structure of support frame and save 21 cost of montant.
In the present embodiment, cross bar 23 is welded between two adjacent montants 21, and cross bar 23 is similarly angle steel, at it
In his embodiment, the modes such as it can also be threadedly coupled, rivet and being connect with montant 21, cross bar 23 or other shaped steel, such as
Square steel etc., this is not restricted.
In the present embodiment, the spacing between the adjacent montant 21 of support frame 20 is identical.This set-up mode makes adjacent cross
Spacing between bar 23 is also identical, to make the stable structure of entire support frame 20, uniform force.
In the present embodiment, there are six layer frame 22, six 22 concrete shapes of layer frame and sizes according to this for the laying of support frame 20
Layer pipeline communication line direction is different and different.
As shown in Fig. 5~Fig. 8, specifically, from 210 top of intersection far from city integrated piping lane 200 to close to city
210 top of intersection of pipe gallery 200 is respectively the first layer frame 221, the second layer frame 222, third layer frame 223, the 4th layer frame
224, layer 5 frame 225 and layer 6 frame 226, the first layer frame 221 are the turning layer of power cable pipeline 221, the second layer frame 222
For the vertical straight trip layer of power cable pipeline 221, third layer frame 223 is the horizontal straight trip layer of power cable pipeline 221, the 4th layer
Frame 224 be communication cable pipeline 222 turning layer, layer 5 frame 225 be communication cable pipeline 222 vertical straight trip layer, the 6th
Layer frame 226 is the horizontal straight trip layer of communication cable pipeline 222, the type for the pipeline that the first layer frame 221 to layer 6 frame 226 supports
It is identical.It should be understood that the type of pipeline is identical, refer to that function or the effect of pipeline are identical, for example, be all communication cable or
Person is all power cable etc..The pipeline type that the support of each layer frame 22 is arranged is identical, and repair or patrol officer can be facilitated smoothly to look for
To pipeline, and repair or check on not influencing other kinds of pipeline basic, meanwhile, when a certain layer frame 22 pipeline by
When influence is damaged, the influence to other kinds of cable is also reduced.
In other embodiments, the second layer frame 222 and layer 5 frame 225 can merge into same layer frame 22 or third layer
Frame 223 and layer 6 frame 226 can also merge into same layer frame 22.
Referring to Fig. 5, in 221 structure of the first layer frame of the present embodiment, including multiple grid cells 26, each grid list
What member 26 extended by horizontally extending two adjacent first crossbars 24 and along the vertical direction vertical with horizontal direction
The connection of two adjacent second crossbars 25, which is enclosed, to be set to be formed.First layer frame 221 includes multiple grid cells 26 according to electric power electricity
The shape of the turning communication line of cable pipeline 221 is sequentially connected arrangement, and the grid cell 26 is compact-sized, can be more securely
Support power cable pipeline 221.It should be appreciated that same first crossbar 24 can be shared between two adjacent grid cells 26
Or same second crossbar 25.
Further, the grid cell 26 of 221 periphery of the first layer frame supports power cable pipeline 221 at least partly.For
Further reduce the occupied space of layer frame 22, the outer profile of layer frame 22 can follow the connection of this layer of power cable pipeline 221
Line alignment is arranged, and the outer profile of the first layer frame 221 is consistent with 221 communication line of the power cable pipeline trend of this layer turning,
The Partial Mesh unit 26 of power cable pipeline 221 is not supported among first layer frame 221, there is the work for reinforcing the first layer frame 221
With.
Referring to Fig. 6, further, keeping left at 210 center of intersection, the second layer frame 222 also contains multiple grids
Unit 26, which arranges along vertical direction as shown in Figure 6, is used to support the communication cable pipeline 222 kept straight on vertically.
In the present embodiment, other 22 structures of layer frame are similar to the first layer frame 221 and 222 structure of the second layer frame, and details are not described herein.
Based on above-mentioned city integrated piping lane intersection pipeline portal structure 100, it is comprehensive that the utility model also provides a kind of city
Close piping lane system, including the city integrated piping lane 200 of multiple intercommunications and above-mentioned city integrated piping lane intersection pipeline portal structure
100。
Above-mentioned city integrated piping lane system, by the way that city is arranged at the intersection 210 of the city integrated piping lane 200 of intercommunication
Pipe gallery intersection pipeline portal structure 100, the portal structure 100, and can because layer frame 22 is laid along 21 longitudinally of montant
If because of actual demand setting dried layer, therefore having the communication line of each side pipe line at enough space layout intersections 210, and because every
The pipeline of one layer frame 22 support is non-intersecting, you can realizes that each layer of pipeline communication line is not intersected and not chaotic, then can guarantee
Each side pipe line interconnects at the intersection 210 of city integrated piping lane 200.
City integrated piping lane intersection pipeline portal structure 100 in the utility model and city integrated piping lane system, phase
It is had the following advantages than the prior art：
(1), by the way that multiple built-in fittings 10 are arranged at 210 top of intersection, and the montant being connect with the built-in fitting 10 is set
21 and the layer frame 22 laid of 21 longitudinally of montant therefore have enough spaces because if layer frame 22 can be because of actual demand setting dried layer
Arrange the communication line of each side pipe line at intersection 210, and because the pipeline that each layer frame 22 supports is non-intersecting, you can realize every
One layer of pipeline communication line is not intersected and not chaotic, then can guarantee each side pipe line at the intersection 210 of city integrated piping lane 200
It interconnects；
(2), include multiple grid cells 26 by the way that each layer frame 22 is arranged so that the overall structure of support frame 20 is more steady
Gu and the cramped construction of grid cell 26 can more securely support pipeline；
(3), it supports pipeline at least partly by the way that the grid cell 26 of 22 periphery of each layer frame is arranged, can further subtract
The occupied space of small layer frame 22.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of city integrated piping lane intersection pipeline portal structure, is set to the intersection of the city integrated piping lane of intercommunication,
It is characterized in that, the city integrated piping lane intersection pipeline portal structure includes：
Multiple built-in fittings are arranged at intervals at the top of the intersection of the city integrated piping lane；
Support frame, including multiple montants to connect one to one with the built-in fitting and laid along the montant longitudinally more
A layer frame, each layer frame include being generally aligned in the same plane interior multiple cross bars, and the cross bar is connected to described in adjacent two
Between montant；
Wherein, the intersection of the city integrated piping lane includes multigroup pipeline, is had between pipeline described in each group different default
Circuit, each at least one set of pipeline of layer frame support, and the default circuit of the pipeline of each layer frame support
It is non-intersecting.
2. city integrated piping lane intersection pipeline portal structure according to claim 1, which is characterized in that each layer
Frame includes multiple grid cells, each grid cell by two adjacent cross bars for extending in a first direction and along with
Two adjacent cross bar connections that the vertical second direction of the first direction extends, which are enclosed, to be set to be formed.
3. city integrated piping lane intersection pipeline portal structure according to claim 2, which is characterized in that each layer
The grid cell of frame periphery supports at least partly described pipeline.
4. according to the city integrated piping lane intersection pipeline portal structure of claims 1 to 3 any one of them, which is characterized in that
The type of the pipeline of each layer frame support is identical.
5. city integrated piping lane intersection pipeline portal structure according to claim 1, which is characterized in that the support frame
The adjacent montant between spacing it is identical.
6. city integrated piping lane intersection pipeline portal structure according to claim 1, which is characterized in that the montant and
The cross bar is angle steel.
7. city integrated piping lane intersection pipeline portal structure according to claim 1, which is characterized in that the built-in fitting
Including steel plate and dowel, the dowel is embedded at the top of the intersection of the city integrated piping lane and one end is connected to the steel plate
One side, bottom surface is concordant at the top of the intersection of the another side of the steel plate and the city integrated piping lane is arranged.
8. city integrated piping lane intersection pipeline portal structure according to claim 1, which is characterized in that the montant weldering
It is connected to the built-in fitting, the cross bar is welded between two adjacent montants.
9. a kind of city integrated piping lane system, including the city integrated piping lane of multiple intercommunications and any one of such as claim 1~8
The city integrated piping lane intersection pipeline portal structure.
10. a kind of city integrated piping lane intersection pipeline portal structure, is set to the intersection of the city integrated piping lane of intercommunication,
It is characterized in that, the city integrated piping lane intersection pipeline portal structure includes：
Multiple built-in fittings are arranged at intervals at the top of the intersection of the city integrated piping lane；
Support frame, including multiple montants to connect one to one with the built-in fitting and laid along the montant longitudinally more
A layer frame, each layer frame include being generally aligned in the same plane interior multiple cross bars, and it is described perpendicular that the cross bar connects adjacent two
Bar；
Wherein, the city integrated piping lane intersection includes multigroup pipeline, has different default lines between pipeline described in each group
Road, each layer frame support at least one pipeline, and the default circuit of the pipeline of each layer frame support not phase
It hands over；
Each layer frame includes multiple grid cells, and each grid cell is two adjacent by what is extended in a first direction
The cross bar and the two adjacent cross bars extended along the second direction vertical with the first direction connect and enclose to set to be formed；
The grid cell of each layer frame periphery supports at least partly described pipeline.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321737A (en) * | 2018-04-04 | 2018-07-24 | 广东中天市政工程设计有限公司 | A kind of city integrated piping lane intersection pipeline portal structure and city integrated piping lane system |
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2018
- 2018-04-04 CN CN201820482049.9U patent/CN208078566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321737A (en) * | 2018-04-04 | 2018-07-24 | 广东中天市政工程设计有限公司 | A kind of city integrated piping lane intersection pipeline portal structure and city integrated piping lane system |
| CN108321737B (en) * | 2018-04-04 | 2024-04-09 | 广东中天市政工程设计有限公司 | Urban comprehensive pipe rack intersection pipeline bridge structure and urban comprehensive pipe rack system |
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Address after: No.22-1, zumiao Road, Chancheng District, Foshan City, Guangdong Province Patentee after: Guangdong Zhongtian Engineering Design Co., Ltd Address before: 7-8, building 98, 528000 Renmin Road, Chancheng District, Guangdong, Foshan, China Patentee before: GUANGDONG ZHONGTIAN MUNICIPAL ENGINEERING DESIGN Co.,Ltd. |