CN201118174Y - Outlet cable shaft and out-station tunnel connecting structure - Google Patents
Outlet cable shaft and out-station tunnel connecting structure Download PDFInfo
- Publication number
- CN201118174Y CN201118174Y CNU2007200759807U CN200720075980U CN201118174Y CN 201118174 Y CN201118174 Y CN 201118174Y CN U2007200759807 U CNU2007200759807 U CN U2007200759807U CN 200720075980 U CN200720075980 U CN 200720075980U CN 201118174 Y CN201118174 Y CN 201118174Y
- Authority
- CN
- China
- Prior art keywords
- tunnel
- cable
- connecting portion
- shaft
- station
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a connecting structure of an outgoing cable shaft and a tunnel outside a station, which is used for the outgoing cable to cross in the bending state. The outgoing cable is provided with at least one bending section. The connecting structure comprises a shaft connecting part that is communicated with the cable shaft and a tunnel connecting part that is communicated with the tunnel outside the station; the tunnel connecting part crosses and is communicated with the shaft connecting part. The connecting structure also comprises a combining part that is arranged in the tunnel connecting part and near the shaft connecting part; the combining part and the tunnel connecting part form cornering space to hold the bending section of the outgoing cable. The connecting structure has the beneficial effects of occupation of less underground space, simple structure, and convenient construction, and is suitable for the crossing arrangement of the underground cables of various large diameters.
Description
Technical field
The utility model relates to electric power transmission ﹠ distribution field, relates in particular to a kind of syndeton that wears vertical shaft with the outer tunnel, station of outlet cable.
Background technology
In the laying technology of electric power transmission ﹠ distribution field underground cable, usually employing is provided with cable shaft in vertical direction, offers the outer tunnel, station in the horizontal direction, and both in conjunction with and the method for usefulness realize that the underground of cable wears.The outer tunnel, station of vertical substantially cable shaft and basic horizontal generally successively directly intersects and is connected perforation according to construction, wears the space with the cable that forms the right-angled bend of a band in the underground space.
As shown in Figure 1, in the prior art, the underground cable that wears 3 is all finished conversion in 11 zones, joint portion of cable shaft 1 and outer tunnel 2, station, could introduce outer tunnel 2, station cable 3 must bend to level in vertical shaft 1 after.Therefore, the diameter of cable shaft 1 must satisfy the needs of cable 3 radiuss of turn.Particularly under the situation that the cable interlayer is not set, the diameter of cable shaft 1 must satisfy the needs that cable 3 advances vertical shaft 1, goes out 1 two radiuss of turn of vertical shaft.
Along with the rapid growth of electricity needs, the progressively increase of cable capacity, the diameter of underground cable also comes to come thick more, and the radius of turn of cable increases significantly along with the increase of cable size, causes the diameter of cable shaft to increase, and need take the bigger underground space.And in the urban construction now, the underground space is in short supply day by day.
How to adopt technological means that prior art is improved, solve the bigbore cable shaft and the underground space contradiction between in short supply, become the technical problem that those skilled in the art press for solution.
The utility model content
Because the above-mentioned defective of prior art, technical problem to be solved in the utility model provides that a kind of vertical shaft bore is less, to take the underground space few, simple in structure, the syndeton of outlet cable shaft and outer tunnel, station easily of constructing.
For achieving the above object, the utility model provides the syndeton of a kind of outlet cable shaft with the outer tunnel, station, being used for the outlet cable passes through with case of bending therein, described outlet cable has at least one bending section, described syndeton comprises vertical shaft connecting portion that connects with described cable shaft and the tunnel connecting portion that connects with outer tunnel, described station, described tunnel connecting portion and described vertical shaft connecting portion intersect and connect, described syndeton also comprises the joint portion that is arranged in the described tunnel connecting portion, and described binding site is close described vertical shaft connecting portion one end in described tunnel connecting portion, and form a turning space that holds described outlet cable bending section with described tunnel connecting portion.
Preferably, the distance of described vertical shaft connecting portion and connecting portion intersection, described tunnel and described joint portion is more than or equal to the radius of turn of described outlet cable.
The utility model is owing to adopted above-mentioned syndeton, the tunnel connecting portion that joint portion on the cable shaft outer wall is arranged on the outer tunnel, station will be arranged in the prior art, utilize the space of tunnel connecting portion to hold the bending section of cable, make cable be located in cable shaft with vertical state substantially, thereby reduced the bore of cable shaft greatly, saved the underground space.
The heat-dissipating space that the bore of cable shaft requires only to satisfy cable in the utility model gets final product, and irrelevant substantially with the radius of turn of cable, therefore go for wearing of various large diameter underground cables, it is few to have the underground space of taking, simple in structure, the beneficial effect easily of constructing.
Be described further below with reference to the technique effect of accompanying drawing, to understand the purpose of this utility model, feature and effect fully design of the present utility model, concrete structure and generation.
Description of drawings
Fig. 1 is the structural representation of cable shaft and station outer tunnel syndeton in the prior art;
Fig. 2 is the structural representation of the utility model one specific embodiment;
Fig. 3 is the structural representation of another specific embodiment of the utility model.
Embodiment
Be outlet cable shaft of the present utility model and outer tunnel, station syndeton one specific embodiment as shown in Figure 2, be used for outlet cable 3 and pass through with case of bending in this syndeton, outlet cable 3 has a superposed bending section 31 and a following bending section 32 that is positioned at the bottom.Cable shaft comprises the vertical shaft connecting portion 1 with its perforation, and the outer tunnel of standing comprises the tunnel connecting portion 2 with its perforation.Syndeton comprises vertical shaft connecting portion 1 and tunnel connecting portion 2, and vertical shaft connecting portion 1 and tunnel connecting portion 2 intersect and connect, and syndeton also comprises the joint portion 11 that is arranged in the tunnel connecting portion 2, and joint portion 11 is for offering the enclosing wall of a plurality of through holes.
Special character of the present utility model is that joint portion 11 is positioned at tunnel connecting portion 2 and forms a turning space 21 that holds the bending section 31 of outlet cable 3 near an end of vertical shaft connecting portion 1 and with tunnel connecting portion 2.The distance of vertical shaft connecting portion 1 and tunnel connecting portion 2 intersections and joint portion 11 is slightly larger than the radius of turn of outlet cable 3.
Owing to changed the position of joint portion 11, the bending section 31 of outlet cable 3 is accommodated in the turning space 21 of tunnel connecting portion 2, the top of outlet cable 3 is able to be located in the cable shaft with vertical substantially state, the bore of cable shaft no longer is subject to the radius of turn of outlet cable 3, and the underground space that cable shaft takies is dwindled.
Obviously, the distance of joint portion 11 and cable shaft also not exclusively is limited as a radius of turn of outlet cable 3, as long as the distance of vertical shaft connecting portion 1 and tunnel connecting portion 2 intersections and joint portion 11 all is feasible greater than this radius of turn, can obtain essentially identical technique effect.
Be another specific embodiment of the utility model as shown in Figure 3, the structure of present embodiment and the structure of the foregoing description are basic identical, and vertical shaft connecting portion 1 is positioned at the tunnel connecting portion equally with the joint portion 11 of tunnel connecting portion 2.Institute's difference is that cable shaft is communicated with cable separator 4 in the present embodiment.The floor height of general cable separator 4 will reach 2.5-3 rice, the following bending section when substantially can ccontaining outlet cable 3 entering cable shaft.Therefore, in the present embodiment, outlet cable 3 is located in the vertical shaft connecting portion 1 with vertical substantially state from bottom to up.The radius of turn of the bore of cable shaft and outlet cable 3 has nothing to do substantially and can reach minimum value, requires as long as the bore of cable shaft satisfies the heat-dissipating space of outlet cable 3.
The utility model is owing to adopted above-mentioned syndeton, the tunnel connecting portion that joint portion on the cable shaft outer wall is arranged on the outer tunnel, station will be arranged in the prior art, utilize the space of tunnel connecting portion to hold the last bending section of cable, the outlet cable is located in the cable shaft with vertical state substantially, thereby reduced the bore of cable shaft greatly, saved the underground space, it is few to have the underground space of taking, simple in structure, the beneficial effect easily of constructing goes for wearing of various large diameter underground cables.
In sum, described in this specification is several preferred embodiment of the present utility model, and above embodiment is only unrestricted in order to the explanation the technical solution of the utility model.All technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be within claim protection range of the present utility model.
Claims (2)
1, the syndeton of a kind of outlet cable shaft and outer tunnel, station, being used for the outlet cable passes through with case of bending therein, described outlet cable has at least one bending section, described syndeton comprises vertical shaft connecting portion that connects with described cable shaft and the tunnel connecting portion that connects with outer tunnel, described station, described tunnel connecting portion and described vertical shaft connecting portion intersect and connect, it is characterized in that: described syndeton also comprises the joint portion that is arranged in the described tunnel connecting portion, and described binding site is close described vertical shaft connecting portion one end in described tunnel connecting portion, and form a turning space that holds described outlet cable bending section with described tunnel connecting portion.
2, the syndeton of outlet cable shaft as claimed in claim 1 and outer tunnel, station, it is characterized in that: the distance of described vertical shaft connecting portion and connecting portion intersection, described tunnel and described joint portion is more than or equal to the radius of turn of described outlet cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200759807U CN201118174Y (en) | 2007-11-26 | 2007-11-26 | Outlet cable shaft and out-station tunnel connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200759807U CN201118174Y (en) | 2007-11-26 | 2007-11-26 | Outlet cable shaft and out-station tunnel connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118174Y true CN201118174Y (en) | 2008-09-17 |
Family
ID=39992763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200759807U Expired - Lifetime CN201118174Y (en) | 2007-11-26 | 2007-11-26 | Outlet cable shaft and out-station tunnel connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118174Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868418A (en) * | 2015-05-29 | 2015-08-26 | 广东威恒输变电工程有限公司 | Cable fixing method and device at joint of cable shaft and cable tunnel |
| CN113090269A (en) * | 2021-04-14 | 2021-07-09 | 国网重庆市电力公司经济技术研究院 | Comprehensive hidden excavation cable channel shaft |
-
2007
- 2007-11-26 CN CNU2007200759807U patent/CN201118174Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868418A (en) * | 2015-05-29 | 2015-08-26 | 广东威恒输变电工程有限公司 | Cable fixing method and device at joint of cable shaft and cable tunnel |
| CN104868418B (en) * | 2015-05-29 | 2017-06-16 | 广东威恒输变电工程有限公司 | Cable fixing method and device at joint of cable shaft and cable tunnel |
| CN113090269A (en) * | 2021-04-14 | 2021-07-09 | 国网重庆市电力公司经济技术研究院 | Comprehensive hidden excavation cable channel shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206189462U (en) | Double -cabin utility tunnel structure of corridor is gone into to gas and run by gravity sewer line | |
| CN201118174Y (en) | Outlet cable shaft and out-station tunnel connecting structure | |
| CN201437729U (en) | Cross-shaped intersection for comprehensive pipe canals | |
| CN205557584U (en) | Steel pipe corridor and large -scale utility tunnel system | |
| CN102852370A (en) | Composite material combined type cross arm for high-tension transmission line tower pole | |
| CN101635177B (en) | Overhead power transmission conducting wire | |
| CN204199813U (en) | Be applicable to the underground garage with efficient mechanical solid parking function of house | |
| CN108203992A (en) | A kind of assembled underground pipe gallery | |
| CN201329265Y (en) | Power supply device of decomposer series | |
| CN103606866A (en) | Distribution type two-stage distribution box | |
| CN206428721U (en) | Assembled underground pipe gallery | |
| CN204359982U (en) | Intermediate distrubuting frame | |
| CN201554255U (en) | High intensity mixed-pressure power transmission steel tower | |
| CN203334760U (en) | Same rod tower cross span abnormal tower | |
| CN203603576U (en) | Alternating current extra-high voltage straight line steel angle tower ground wire support node structure | |
| CN203656365U (en) | Combination-type transition cable leading cage based on cable leading towards lower bridge surface | |
| CN206581296U (en) | Multichannel underground pipe gallery with ventilation escape mouth structure | |
| CN206902911U (en) | A kind of precast concrete with communication power cable | |
| CN105064760A (en) | Four tube-single tube switching joint for narrow-foundation steel tube poles | |
| CN206035076U (en) | Transformer substation's NOT AND occupies joint structure of building | |
| CN214194635U (en) | Full indoor transformer substation box type basis with cable channel function | |
| CN201254857Y (en) | Assembly single-pole power steel pipe tower | |
| CN202990448U (en) | Reinforced structure of power transmission iron tower | |
| CN202227756U (en) | Pole with steel plate ring at top | |
| CN204239888U (en) | A kind of cable-stayed type integrated pipe frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080917 |