CN207260193U - A kind of pipe gallery system with fire-extinguishing function concurrently - Google Patents
A kind of pipe gallery system with fire-extinguishing function concurrently Download PDFInfo
- Publication number
- CN207260193U CN207260193U CN201721330174.XU CN201721330174U CN207260193U CN 207260193 U CN207260193 U CN 207260193U CN 201721330174 U CN201721330174 U CN 201721330174U CN 207260193 U CN207260193 U CN 207260193U
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- Prior art keywords
- fire
- pipeline
- pipe gallery
- support base
- function concurrently
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- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000003028 elevating effect Effects 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000000443 aerosol Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920004449 Halon® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000011261 inert gas Chemical class 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a kind of pipe gallery system with fire-extinguishing function concurrently, horizonal base plate is laid on piping lane bottom, and two, which block up vertical exterior wall, is separately positioned on horizonal base plate both ends, and arc top cover frame is located at two and blocks up on vertical exterior wall；Two block up on vertical exterior walls and are respectively arranged with several line holders, and arched top is covered is correspondingly provided with extinguishing device with line holder, and feedwater piping is provided with by pipeline support frame on horizonal base plate, and the piping lane below extinguishing device is access path；Pipeline support frame includes water pipe support base, elevating screw, lifting nut, pressure bearing, support base and pipeline limited block, elevating screw is arranged on water pipe support base plays total supporting role to petroleum pipeline bracket, lifting nut, which is threadedly coupled, to be sleeved on elevating screw, support base lower end sets brace groove, brace groove is set on lifting nut, pressure bearing is provided between brace groove and lifting nut, support base upper end is provided with the installation sliding slot of pipeline limited block.
Description
Technical field
It the utility model is related to urban construction technical field, and in particular to a kind of pipe gallery system with fire-extinguishing function concurrently
System.
Background technology
Pipe gallery is the tunnel space built in undergrounds such as urban road, plant areas, by electric power, communication, feedwater etc.
A variety of municipal public use pipelines concentrate on one, carry out " unified planning, unified construction, unified management ".Pipe gallery is by main city
Political affairs pipeline accommodates wherein, easy to usually overhaul, avoids impacting traffic above-ground, landscape and resident living, at home and abroad
Extensive use is arrived.
Early in 1832, France began to build first pipe gallery in the world, away from modern existing nearly two century-old history.
After founding of New, China built First pipe gallery in the Tian'anmen Square in 1958, more than 60 years afterwards when
Between in, each big city in the whole nation expands the construction of pipe gallery successively.But since the initial investment of pipe gallery construction is huge, from
And the application and development of pipe gallery are have impact on, how on the basis of cost is saved as far as possible, make full use of the interior of pipe gallery
Portion space, improves the operating status of corridor gut line, becomes urgent problem to be solved.
At present in the construction of pipe gallery, generally use rectangular cross section, to make full use of pipe gallery inner space, but is tied
Structure stress is larger, or using circular cross section (or more arc-shaped sections), advantage is that stress is smaller, but space availability ratio is relatively low.It is deep
Ditch between fields great Mei is husky --- and salt pan col pipe gallery employs the stalk vault section of similar the utility model patent, but its vault rise
For 1.2m, keystone is provided with monitoring system, and section headroom is higher, and space availability ratio is relatively low, the air inside pipe gallery
Flow uneven.
The characteristics of due to underground pipe gallery itself, when a fire, if cannot put out a fire in time, will cause greatly
Economic loss and social influence.At present, the setting of the aerosol fire-extinguishing device in known underground pipe gallery power cable cabin
Mode to be arranged on piping lane top surface middle, the fire in power cable cabin rise because cable itself is on fire, and power cable
The cable in cabin is to be placed by cabin both sides, so the mode that aerosol fire-extinguishing device is centrally located in piping lane top surface cannot be guaranteed
Piping lane fire is put out in time.
Utility model content
The purpose of this utility model is to be to overcome the shortage of prior art, and it is an object of the present invention to provide a kind of with fire-extinguishing function concurrently
Pipe gallery system, solves the contradiction between current pipe gallery inner space utilization ratio and cost, there is provided in one kind
Portion's space availability ratio is high, and stress is smaller, the good pipe gallery form of fracture of air current composition, also solves underground pipe gallery electric power
The set-up mode of cable cabin aerosol fire-extinguishing device cannot be guaranteed the defects of putting out in time of piping lane fire.
The utility model is achieved through the following technical solutions：
A kind of pipe gallery system with fire-extinguishing function concurrently, including arc head cover, vertical exterior wall and horizonal base plate, the water
Flat underside is laid on piping lane bottom, and the two stifled vertical exterior walls are separately positioned on horizonal base plate both ends, and the arc top cover frame is set
Blocked up two on vertical exterior wall；
Several line holders are respectively arranged with the two stifled vertical exterior walls, the arched top covers and line holder pair
It should be equipped with extinguishing device, feedwater piping is provided with by pipeline support frame on the horizonal base plate, below the extinguishing device
Piping lane is access path；
The pipeline support frame includes water pipe support base, elevating screw, lifting nut, pressure bearing, support base and pipeline
Limited block, the elevating screw is arranged on water pipe support base plays total supporting role, the lifting nut to petroleum pipeline bracket
Threaded connection is sleeved on elevating screw, and the support base lower end sets brace groove, and the brace groove is set in lifting nut
On, pressure bearing is provided between brace groove and lifting nut, the support base upper end is provided with the installation of pipeline limited block
Sliding slot, pipeline limited block is symmetricly set in sliding slot described in two pieces.
Further, it is provided with rising-falling tone knothole on the lifting nut.
Further, the support base both sides set regulating platform, and horizontal screw hole is set on the regulating platform.
Further, adjustable column is provided with the screw hole, the adjustable column adjusts pipeline limited block and moved in sliding slot.
Further, buffer spring is arranged with the adjustable column, the buffer spring both ends are squeezed in regulating platform respectively
(20) and on pipeline limited block.
Further, mounting hole, the buffer spring extruding are provided with the pipeline limited block with adjustable column corresponding position
In macropore, the adjustable column is plugged in aperture.
Further, the net rise of the arc head cover is not less than 0.8m.
Further, it is used to be laid with power pipeline on the line holder of the left side vertical exterior wall.
Further, it is used to be laid with communication line on the line holder of the right side vertical exterior wall.
Further, the water pipe support base bottom sets bolt fixed station.
The utility model compared with prior art, has the following advantages and advantages：
And the pipe gallery form of fracture of the utility model patent is used, it can ensure the same of piping lane inner space utilization rate
When, pipe gallery top plate stress is effectively reduced, meanwhile, extinguishing device is installed in the section, the sky in piping lane can be significantly improved
Flow of air situation, avoids power pipeline hot-spot from producing disaster.
The utility model is simple in structure, compact to design, by using arc head cover, greatly reduces buried section of pipe gallery
Top plate moment of flexure, reduces section thickness, reduces amount of reinforcement, reduces pipe gallery civil engineering cost, the inner integrated cloth of piping lane
Electric power, communication, feedwater piping are put, makes full use of section inner space, arched top tops set extinguishing device, significantly improve pipe
Corridor inner air mobility status, avoids power pipeline hot-spot from producing disaster.
By setting elevating screw, lifting nut and pressure bearing, rotation can not be produced in water pipe support base and support base
In the case that transfer is dynamic, support base lifting moving is driven, so that water supply line lifting moving is adjusted, it is real with simple lifting structure
The elevating function of existing water supply line stent；
By setting adjustable column and buffer spring, the rigid connection between pipeline limited block and water supply line is set to be changed into adjustable
Property connection, expanded with heat and contract with cold the active force of generation by offsetting water supply line, prevent water supply line from expanding with heat and contract with cold and make water supply line
Or stent is broken, the unimpeded of water supply line ensure that.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of the pipe gallery system with fire-extinguishing function concurrently of the utility model；
Fig. 2 is the structure diagram of the utility model pipeline support frame；
Fig. 3 is the structure diagram of the utility model pipeline limited block；
Fig. 4 is the structure diagram of the utility model support base；
Fig. 5 is the structure diagram that the utility model lifts nut；
Mark and corresponding parts title in attached drawing：
1- arc head covers, the vertical exterior walls of 2-, 3- horizonal base plates, 4- line holders, 5- extinguishing devices, 6- feedwater pipings, 7-
Access path, 8- pipeline support frames, 9- power pipelines, 10- communication lines, 11- water pipe support bases, 12- elevating screws, 13- liters
Drop nut, 14- pressure bearings, 15- support bases, 16- pipeline limited blocks, 17- brace grooves, 18- sliding slots, 19- rising-falling tone knotholes,
20- regulating platforms, 21- adjustable columns, 22- buffer springs, 23- mounting holes, 24- bolt fixed stations.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figs. 1-5, a kind of pipe gallery system with fire-extinguishing function concurrently of the utility model, including arc head cover 1, hang down
Straight exterior wall 2 and horizonal base plate 3, arc head cover 1, vertical exterior wall 2 and horizonal base plate 3 use the prefabricated cast of factory's mixed mud, scene
It is completed, horizonal base plate 3 is laid on piping lane bottom, and the two stifled vertical exterior walls 2 are separately positioned on 3 both ends of horizonal base plate, institute
Arc head cover 1 is stated to be erected on two stifled vertical exterior walls 2.
Several line holders 4 are respectively arranged with the two stifled vertical exterior walls 2, fire extinguishing dress is installed on arc head cover 1
5 are put, extinguishing device 5 is fixed on arc head cover 1 using anchorage style, the horizontal distance at two 5 neighboring devices edges of extinguishing device
Not less than 1200mm, feedwater piping 6, the lower section of extinguishing device 5 are provided with by pipeline support frame 8 on the horizonal base plate 3
Piping lane be access path 7.Extinguishing device 5 uses aerosol fire-extinguishing device, and aerosol fire-extinguishing device is by the side for producing aerosol
Formula can be divided into hot aerosol and cold air sol.The aerosol fire-extinguishing device applied at present on domestic project belongs to heat type, cold air
Colloidal sol fire-fighting technique is still in development stage, no formal product.Hot aerosol is gone out with principles such as inhibition, destruction combustion reaction chains
Fire.Aerosol is different from halo alkanes and inert gas class Halon Replacement technology, has residue after medium-sized aerosol fire-extinguishing,
Belong to non-clean fire extinguishing agent, and a new generation's S types aerosol has higher cleanliness factor.The reagent combination taken due to each enterprise is not
Together, the property of the residue after some non-clean aerosol sprinklings also differs.
Line holder 4 is set using multiple rows of stent up and down, and every layer of line holder 4 is equipped with multiple pipe installation grooves, pipeline
Laying groove quantity is decided according to the actual requirements, and anchor ear is preferably provided with laying groove, easy to fixed pipelines, every layer of line holder 4 with
Vertical exterior wall 2 is installed by rivet to be connected, and angle support reinforcing gusset is equipped with junction bottom.
The net rise of arc head cover 1 is not less than 0.8m.Extinguishing device 5 is installed on the top of arc head cover 1 using hanger 11.It is left
It is used to be laid with power pipeline 9 on the line holder 4 of vertical exterior wall 2 described in side.On the line holder 4 of the right side vertical exterior wall 2
For being laid with communication line 10.
And the pipe gallery form of fracture of the utility model patent is used, it can ensure the same of piping lane inner space utilization rate
When, pipe gallery top plate stress is effectively reduced, meanwhile, extinguishing device is installed in the section, the sky in piping lane can be significantly improved
Flow of air situation, avoids power pipeline hot-spot from producing disaster.
The utility model is simple in structure, compact to design, by using arc head cover, greatly reduces buried section of pipe gallery
Top plate moment of flexure, reduces section thickness, reduces amount of reinforcement, reduces pipe gallery civil engineering cost, the inner integrated cloth of piping lane
Electric power, communication, feedwater piping are put, makes full use of section inner space, arched top tops set extinguishing device, significantly improve pipe
Corridor inner air mobility status, avoids power pipeline hot-spot from producing disaster.
The utility model has space while the inner integrated setting electric power of pipe gallery, communication, feedwater piping is met
Utilization rate is high, and civil engineering cost is relatively low, the highly organized feature of piping lane internal gas flow.Mainly solves following problem：
1) while pipe gallery inner space utilization rate is ensured, civil engineering cost is reduced；
2) it is poor to solve pipe gallery inner air circulation, be easy to cause power pipeline hot-spot, so as to cause to send out
The problem of raw disaster.
3) when fire occurs for underground pipe gallery power cable cabin, extinguishing device puts out burning things which may cause a fire disaster in time, economic loss
It is reduced to social influence minimum.
Embodiment 2
As shown in Figure 2-5, a kind of pipe gallery system with fire-extinguishing function concurrently of the utility model, on the basis of embodiment 1
On, including water pipe support base 11, elevating screw 12, lifting nut 13, pressure bearing 14, support base 15 and pipeline limited block 16,
Elevating screw 12, which is arranged on water pipe support base 11, erects water supply line branch general branch's support effect, lifts 13 threaded connecting sleeve of nut
On elevating screw 12,15 lower end of support base sets brace groove 17, and brace groove 17 is set on lifting nut 13, and support is recessed
Pressure bearing 14 is provided between groove 17 and lifting nut 13,15 upper end of support base is provided with the installation sliding slot of pipeline limited block 16
18, pipeline limited block 16 is symmetricly set in sliding slot 18 described in two pieces.11 bottom of water pipe support base sets bolt fixed station 24.
Set up in use, setting bolt fixed station 24 to be bolted on water supply line by 11 bottom of water pipe support base
On pedestal along the line, according to the opening distance of the outside diameter of water supply line two pipeline limited blocks 16 of big minor adjustment, risen by setting
Screw 12, lifting nut 13 and pressure bearing 14 are dropped, can not produced in water pipe support base 11 and support base 15 in rotary moving
In the case of, 15 lifting moving of support base is driven, so as to adjust water supply line lifting moving, is realized and supplied water with simple lifting structure
The elevating function of support of pipelines.
Rising-falling tone knothole 19 is provided with lifting nut 13.By rotation and lifting nut 13 so as to drive support base 1 to lift
It is mobile, during rotation and lifting nut 13, lifting nut 13 is rotated in order to light, is inserted in using steel pipe or reinforcing bar in rising-falling tone knothole 19
Can ease rotation lifting nut 13.
15 both sides of support base set regulating platform 20, and horizontal screw hole is set on regulating platform 20, adjustable column 21 is provided with screw hole,
Adjustable column 21 can be rotated in screw hole inside spin, and the nut that handle clamps, adjustable column 21 are additionally provided with 21 external end head of adjustable column
Pipeline limited block 16 is adjusted to move in sliding slot 18.Buffer spring 22,22 both ends of buffer spring difference are arranged with adjustable column 21
It is squeezed on regulating platform 20 and pipeline limited block 16.21 corresponding position of adjustable column is provided with mounting hole 23 on pipeline limited block 16,
Buffer spring 22 is squeezed in macropore, and adjustable column 21 is plugged in aperture.
According to the opening distance of the outside diameter of water supply line two pipeline limited blocks 16 of big minor adjustment, two pipeline limited blocks 16
Opening distance mainly by adjustable column 21 come realize adjust, after the completion of adjusting, adjustable column 21 will be stayed with the bottom of mounting hole 23
There is a cushion space, when water supply line expands with heat and contract with cold and is broken water supply line or stent, water supply line can pass through extruding
Pipeline limited block 16 and the buffering movement of buffer spring 22, being changed into the rigid connection between pipeline limited block 16 and water supply line can
Tonality connects, and is expanded with heat and contract with cold the active force of generation by offsetting water supply line.
Embodiment described above, has carried out into one the purpose of this utility model, technical solution and beneficial effect
Step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
The scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equivalent substitution,
Improve etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pipe gallery system with fire-extinguishing function concurrently, including arc head cover (1), vertical exterior wall (2) and horizonal base plate
(3), it is characterised in that：The horizonal base plate (3) is laid on piping lane bottom, and the two stifled vertical exterior walls (2) are separately positioned on water
Flat underside (3) both ends, the arc head cover (1) are erected at two and block up on vertical exterior wall (2)；
Several line holders (4) are respectively arranged with the two stifled vertical exterior walls (2), on the arc head cover (1) and pipeline
Stent (4) is correspondingly provided with extinguishing device (5), and feedwater piping is provided with by pipeline support frame (8) on the horizonal base plate (3)
(6), the piping lane below the extinguishing device (5) is access path (7)；
The pipeline support frame (8) includes water pipe support base (11), elevating screw (12), lifting nut (13), pressure bearing
(14), support base (15) and pipeline limited block (16), the elevating screw (12) are arranged on water pipe support base (11) to oil
Support of pipelines plays total supporting role, and the lifting nut (13), which is threadedly coupled, to be sleeved on elevating screw (12), the support base
(15) lower end sets brace groove (17), and the brace groove (17) is set in lifting nut (13), brace groove (17) with
Pressure bearing (14) is provided between lifting nut (13), support base (15) upper end is provided with the peace of pipeline limited block (16)
Fill sliding slot (18).
A kind of 2. pipe gallery system with fire-extinguishing function concurrently according to claim 1, it is characterised in that：The lifting nut
(13) rising-falling tone knothole (19) is provided with.
A kind of 3. pipe gallery system with fire-extinguishing function concurrently according to claim 2, it is characterised in that：The support base
(15) both sides set regulating platform (20), and horizontal screw hole is set on the regulating platform (20).
A kind of 4. pipe gallery system with fire-extinguishing function concurrently according to claim 3, it is characterised in that：Set in the screw hole
Adjustable column (21) is equipped with, the adjustable column (21) adjusts pipeline limited block (16) and moved in sliding slot (18).
A kind of 5. pipe gallery system with fire-extinguishing function concurrently according to claim 4, it is characterised in that：The adjustable column
(21) buffer spring (22) is arranged with, buffer spring (22) both ends are squeezed in regulating platform (20) and pipeline limited block respectively
(16) on.
A kind of 6. pipe gallery system with fire-extinguishing function concurrently according to claim 5, it is characterised in that：The pipeline is spacing
Adjustable column (21) corresponding position is provided with mounting hole (23) on block (16), the buffer spring (22) is squeezed in macropore, described
Adjustable column (21) is plugged in aperture.
A kind of 7. pipe gallery system with fire-extinguishing function concurrently according to claim 1, it is characterised in that：The arc head cover
(1) net rise is not less than 0.8m.
A kind of 8. pipe gallery system with fire-extinguishing function concurrently according to claim 1, it is characterised in that：Left side is described vertical
It is used to be laid with power pipeline (9) on the line holder (4) of exterior wall (2).
A kind of 9. pipe gallery system with fire-extinguishing function concurrently according to claim 1, it is characterised in that：Right side is described vertical
It is used to be laid with communication line (10) on the line holder (4) of exterior wall (2).
A kind of 10. pipe gallery system with fire-extinguishing function concurrently according to claim 1, it is characterised in that：The water pipe branch
Support seat (11) bottom and bolt fixed station (24) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330174.XU CN207260193U (en) | 2017-10-16 | 2017-10-16 | A kind of pipe gallery system with fire-extinguishing function concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330174.XU CN207260193U (en) | 2017-10-16 | 2017-10-16 | A kind of pipe gallery system with fire-extinguishing function concurrently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207260193U true CN207260193U (en) | 2018-04-20 |
Family
ID=61917482
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721330174.XU Expired - Fee Related CN207260193U (en) | 2017-10-16 | 2017-10-16 | A kind of pipe gallery system with fire-extinguishing function concurrently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207260193U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577372A (en) * | 2018-12-31 | 2019-04-05 | 江苏扬桩金源管业有限公司 | Convenient for the assembled piping lane of tubular service |
| CN113550351A (en) * | 2021-07-22 | 2021-10-26 | 陕西国防工业职业技术学院 | Can reduce novel utility tunnel structure of deformation |
| CN114017042A (en) * | 2021-10-14 | 2022-02-08 | 广州地铁设计研究院股份有限公司 | Shield constructs utility tunnel section |
-
2017
- 2017-10-16 CN CN201721330174.XU patent/CN207260193U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577372A (en) * | 2018-12-31 | 2019-04-05 | 江苏扬桩金源管业有限公司 | Convenient for the assembled piping lane of tubular service |
| CN113550351A (en) * | 2021-07-22 | 2021-10-26 | 陕西国防工业职业技术学院 | Can reduce novel utility tunnel structure of deformation |
| CN114017042A (en) * | 2021-10-14 | 2022-02-08 | 广州地铁设计研究院股份有限公司 | Shield constructs utility tunnel section |
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Address after: 610000 No. 688, Tianfu Road, Chengdu hi tech Zone, Sichuan, China Patentee after: Sichuan architectural design and Research Institute Co.,Ltd. Address before: 610000 No. 688, Tianfu Road, Chengdu hi tech Zone, Sichuan, China Patentee before: SICHUAN PROVINCIAL ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE |
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Granted publication date: 20180420 |
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