CN205453058U - Prefabricated cable chute - Google Patents
Prefabricated cable chute Download PDFInfo
- Publication number
- CN205453058U CN205453058U CN201620211567.8U CN201620211567U CN205453058U CN 205453058 U CN205453058 U CN 205453058U CN 201620211567 U CN201620211567 U CN 201620211567U CN 205453058 U CN205453058 U CN 205453058U
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- cable
- cable duct
- duct bank
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011178 precast concrete Substances 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model discloses a prefabricated cable chute, including the precast concrete frame the rectangle framework is equipped with the multilayer and divides separating groove on the inner wall of the left and right sides of rectangle framework, divide the separating groove internal fixation to have the cable duct bank mounting panel, be fixed with cable duct bank on the cable duct bank mounting panel. The utility model discloses a prefabricated cable chute adopts the structrual installation cable duct bank of multilayer pergola formula, and it is excellent that the performance is separated in the fire prevention, and the durability is good.
Description
Technical field
This utility model relates to cable construction technology, particularly relates to prefabricated cable ditch.
Background technology
Traditional cable passage uses cast-in-place construction, and the duration is longer, does not utilize mechanized construction, and project of transmitting and converting electricity modularized design, overall process mechanized construction is the technological development direction that current State Grid Corporation of China advocates.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of prefabricated cable ditch, convenient construction, reduction of erection time.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that prefabricated cable ditch, including precast concrete frame, including rectangular box, the left and right sides inwall of rectangular box is provided with Multi-layer separated groove, it is fixed with cable duct bank installing plate in described separation trough, described cable duct bank installing plate is fixed with cable duct bank.
As preferably, described cable duct bank installing plate is provided with at least two fixing posts of row in the width direction, and cable duct bank is arranged in two row and fixes between post, and described fixing post is fixed with anchor ear, and cable duct bank is fixed by described anchor ear.
As preferably, described fixing post is fixing steel column prefabricated with cable duct bank installing plate, is provided with screwed hole at steel column top, is provided with screw at anchor ear two ends, and described screw is fixed in screwed hole.
As preferably, described separation trough is formed in rectangular box by channel-section steel is prefabricated.
Prefabricated cable ditch of the present utility model uses batch production processing, and field-installed mode carries out construction and installation, for realizing overall process mechanized construction, reduction of erection time, it is ensured that engineering construction quality creates conditions.It addition, use the structure of multi-layer flower posture to install cable duct bank, fire separation performance is excellent, good endurance, is aided with self-loopa ventilating system and lays the transmission capacity that can improve cable relative to comb.
Accompanying drawing explanation
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of full pre-fabricated electric cables passage；
Fig. 2 is the structural representation of prefabricated cable ditch；
Fig. 3 is the structural representation of preparation joint well；
Fig. 4 is the split structural representation of prefabricated turning well and prefabricated cable ditch；
Fig. 5 is the structural representation of prefabricated turning well.
Detailed description of the invention
As it is shown in figure 1, full pre-fabricated electric cables passage, including the multistage prefabricated cable ditch 1 being stitched together, between multistage prefabricated cable ditch 1, it is arranged at intervals with preparation joint well 2 and prefabricated active well 3.
As in figure 2 it is shown, prefabricated cable ditch 1 includes rectangular box 10, the left and right sides inwall of rectangular box 10 is provided with Multi-layer separated groove 11, is fixed with cable duct bank installing plate 12 in described separation trough, described cable duct bank installing plate 12 is fixed with cable duct bank 15.
Concrete, described cable duct bank installing plate 12 is provided with at least two fixing posts 13 of row in the width direction, cable duct bank 15 is arranged in two row and fixes between post 13, it is fixed with anchor ear 14 on described fixing post 13, cable duct bank 15 is fixed by described anchor ear 14, and cable duct bank 15 is preferably fixing to facilitate with isosceles triangle distribution.Described fixing post 13 is fixing steel column prefabricated with cable duct bank installing plate, it is provided with screwed hole at steel column top, it is provided with screw at anchor ear 14 two ends, described screw is fixed in screwed hole, anchor ear so can be made well to fix with cable duct bank installing plate plate, and it is easy to later stage demolition and maintenance, separation trough 11 is formed in rectangular box by channel-section steel is prefabricated, the end of channel-section steel is provided with bending head upwards, so can facilitate the molding of separation trough, the most also strengthen the bonding strength of precast slab and separation trough.
The left and right sides of prefabricated cable ditch carries out lifting operation when being provided with reinforcing bar suspension ring 16 to facilitate site operation.The advantages such as prefabricated cable ditch uses Reinforced Concrete Torsional structure, has intensity high, and quality relatively normal strength concrete slab is light.It addition, the inwall of prefabricated cable ditch is provided with waterproof roll, between multistage prefabricated cable ditch 1, O-ring seal can be set and carry out waterproof sealing, the moisture being so possible to prevent soil layer around penetrates in cable duct, it is dried in ensureing cable duct, so that cable normally works, extends its service life.
The advantage of prefabricated cable ditch: 1) cable duct bank employing flower rack type installation, fire separation performance is excellent, good endurance；2) between cable loop, fire prevention is not required to consideration and fills fall resistance sand, and interval 20～30m sets manhole, and to meet site operation actual, it is adaptable to many telegrams in reply cable lays the not same period；3) there is preferable impervious water resistance；4) it is aided with self-loopa ventilating system and lays the transmission capacity that can improve cable relative to comb.
As shown in Figure 3, circular bottom plate 21 that prefabricated active well 2 includes combining, middle circle cylinder 22, circular closure 23, the upper shell being arranged over rectangle of described circular closure, described upper shell includes main cylinder section 24, top section 25 and the top cover 26 combined, circular closure top is provided with protuberance and docks with main cylinder section, protuberance, main cylinder section 24, top section 25 and top cover 26 are rectangular configuration, and prefabricated active well is provided with the steel bar ladder extending to middle circle cylinder from main cylinder section.
Can be fixed by prefabricated threaded engagement between circular bottom plate 21, middle circle cylinder 22, circular closure 23, or by being connected of cannelure and bulge loop, such as bulge loop is set in middle circle cylinder upper and lower opening portion, circular bottom plate is suitable for reading and in circular closure end opening, opening's edge arranges annular groove, bulge loop agrees with in annular groove, further, can arrange multistage ladder fit structure and arrange sealing ring between bulge loop and annular groove, so coordinate tightr, it is also possible to play waterproof effect.Same, protuberance, main cylinder section 24, top section 25 can also use the concave-convex fit structure between similar circular bottom plate 21, middle circle cylinder 22, circular closure 23, play close-fitting and seal waterproof action.
The advantage of prefabricated active well: 1) foundation ditch use rotary drilling rig one-step pore-creating construction efficiency is greatly improved；2) substituting elongated active well to construct for telpher, spacing 200～300m arranges long 12m, and to reserve joint well standby for accident joint, by cable subsection setup long 30m Ji Zhongjietoujing, is ensureing that active well function simultaneously can investment reduction.
Described preparation joint well includes connector portions, before and after described connector portions, side connects with prefabricated cable ditch, similar to prefabricated active well structure, the upper shell being arranged over rectangle of described connector portions, described upper shell includes main cylinder section, top section and the top cover combined, connector portions top is provided with protuberance and docks with main cylinder section, and described preparation joint well is provided with the steel bar ladder extending to connector portions from main cylinder section.Same, protuberance, main cylinder section, top section can also use the concave-convex fit structure between similar circular bottom plate, middle circle cylinder, circular closure, play close-fitting and seal waterproof action.
Preparation joint well can select the different joint well length of well bore element number composition according to joint quantity.Pre-fabricated electric cables ditch can select well bore element number composition different people pitch of holes according to orographic condition at manhole.Various work well manholes can select manhole element number to meet different orographic conditions according to thickness of earth-fill cover, and it is strong that unit assembles flexibility.
As shown in Figure 4 and Figure 5, prefabricated turning well 4 it is provided with at cable passage turning, described prefabricated turning well 4 includes two factory pipe bends 41, connected by rear pouring concrete 42 between described factory pipe bend 41, the upper shell being arranged over rectangle of described factory pipe bend, described upper shell includes main cylinder section, top section and the top cover combined, and factory pipe bend top is provided with protuberance and docks with main cylinder section.
Prefabricated turning well is provided with the steel bar ladder extending to factory pipe bend from main cylinder section.Same, protuberance, main cylinder section, top section can also use the concave-convex fit structure between similar circular bottom plate, middle circle cylinder, circular closure, play close-fitting and seal waterproof action.
Above-mentioned top cover can be designed as double-decker, and respectively the well lid on upper strata and the airtight dish of lower floor, described airtight dish outer wall is cased with water proof rubber circle.Can be moistureproof damp proof, it is ensured that internally dry.Described well lid is provided with pull-type handle and for hiding the groove of described pull-type handle.Can be pulled upwardly by pull-type handle during open manhole cover, when being not turned on, pull-type handle is hidden in the trench so that well lid upper surface is smooth, it is to avoid affect the Pedestrians and vehicles that road surface is passing.
Claims (4)
1. prefabricated cable ditch, including precast concrete frame, it is characterised in that: include rectangular box, the left and right sides inwall of rectangular box is provided with Multi-layer separated groove, it is fixed with cable duct bank installing plate in described separation trough, described cable duct bank installing plate is fixed with cable duct bank.
Prefabricated cable ditch the most according to claim 1, it is characterized in that: described cable duct bank installing plate is provided with at least two fixing posts of row in the width direction, cable duct bank is arranged in two row and fixes between post, and described fixing post is fixed with anchor ear, and cable duct bank is fixed by described anchor ear.
Prefabricated cable ditch the most according to claim 2, it is characterised in that: described fixing post is fixing steel column prefabricated with cable duct bank installing plate, is provided with screwed hole at steel column top, is provided with screw at anchor ear two ends, and described screw is fixed in screwed hole.
Prefabricated cable ditch the most according to claim 1, it is characterised in that: described separation trough is formed in rectangular box by channel-section steel is prefabricated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620211567.8U CN205453058U (en) | 2016-03-17 | 2016-03-17 | Prefabricated cable chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620211567.8U CN205453058U (en) | 2016-03-17 | 2016-03-17 | Prefabricated cable chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205453058U true CN205453058U (en) | 2016-08-10 |
Family
ID=56603584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620211567.8U Active CN205453058U (en) | 2016-03-17 | 2016-03-17 | Prefabricated cable chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205453058U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253188A (en) * | 2016-08-22 | 2016-12-21 | 河北超能投资管理有限公司 | Assembly type cable slot and construction method thereof |
| CN107863742A (en) * | 2017-10-13 | 2018-03-30 | 国网新疆电力公司信息通信公司 | Electric power cable mounting bracket |
| CN109339462A (en) * | 2018-11-16 | 2019-02-15 | 四川兴城港瑞建材有限公司 | The installation method of ready-mixed concrete production plant area |
| CN110829342A (en) * | 2019-11-29 | 2020-02-21 | 国网上海市电力公司 | Groove type prefabricated assembly type cable duct bank unit and method |
-
2016
- 2016-03-17 CN CN201620211567.8U patent/CN205453058U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253188A (en) * | 2016-08-22 | 2016-12-21 | 河北超能投资管理有限公司 | Assembly type cable slot and construction method thereof |
| CN107863742A (en) * | 2017-10-13 | 2018-03-30 | 国网新疆电力公司信息通信公司 | Electric power cable mounting bracket |
| CN109339462A (en) * | 2018-11-16 | 2019-02-15 | 四川兴城港瑞建材有限公司 | The installation method of ready-mixed concrete production plant area |
| CN110829342A (en) * | 2019-11-29 | 2020-02-21 | 国网上海市电力公司 | Groove type prefabricated assembly type cable duct bank unit and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171212 Address after: 321035 Zhejiang city of Jinhua Province Jin Qu Road No. 1298 Co-patentee after: Jinhua Power Supply Company, State Grid Zhejiang Electric Power Company Patentee after: JINHUA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. Co-patentee after: State Grid Corporation of China Address before: 321017 Zhejiang city of Jinhua province Sungai West Road No. 428 Co-patentee before: State Grid Corporation of China Patentee before: Jinhua Power Supply Company, State Grid Zhejiang Electric Power Company |