CN209658425U - A kind of earthing or grounding means of pipe gallery high-tension cable - Google Patents
A kind of earthing or grounding means of pipe gallery high-tension cable Download PDFInfo
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- CN209658425U CN209658425U CN201920814153.8U CN201920814153U CN209658425U CN 209658425 U CN209658425 U CN 209658425U CN 201920814153 U CN201920814153 U CN 201920814153U CN 209658425 U CN209658425 U CN 209658425U
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- earthing
- pipe gallery
- tension cable
- connection
- grounding means
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Abstract
The utility model relates to electrical engineering technical fields, disclose a kind of earthing or grounding means of pipe gallery high-tension cable.The earthing or grounding means includes connection row, insulating part and earthed system, and connection row is fixedly connected with the bracket on pipe gallery wall, and insulating part is set between connection row and bracket, and can completely cut off connection row and bracket；Connection row one end is electrically connected by ground line with high-tension cable, and the other end is electrically connected with earthed system.The earthing or grounding means of pipe gallery high-tension cable provided by the utility model, connection is arranged by insulating part to keep insulating between bracket, connection row is electrically connected with earthed system again, no longer natural grounding system is shared with other municipal pipelines, avoid high-tension cable that short trouble occurs, cause ground potential to increase, and then cause and fire, explosion occurs using pipelines such as combustion gas, the sewage of steel pipe laying, ensures citizen's security of the lives and property.
Description
Technical field
The utility model relates to a kind of ground connection of electrical engineering technical field more particularly to pipe gallery high-tension cable dresses
It sets.
Background technique
China is in urbanization fast-developing period, but underground infrastructure construction speed and Urbanization Progress speed at present
Spend it is uncoordinated, influence urbanization push process.The construction of Urban Underground pipe gallery is promoted, plans as a whole all kinds of municipal pipeline planning, build
And if management, the problems such as can effectively solving repeatedly intensive excavated pavement, aerial gauze, pipeline Frequent Accidents, be conducive to ensure
Urban safety improves city function, beautifying city landscape.
Construction pipe gallery has become a kind of development trend, will also become city using pipe gallery power cable laying route
A kind of trend of utility grid.Construction Urban Underground pipe gallery is the inevitable requirement of novel Urbanization Progress, is polishing city
Lower infrastructure construction " short slab ", a great people's livelihood engineering for making the new power of economic development, and solve " road zipper "
The effective way of problem.Power cable, which is laid in pipe gallery, can be avoided road because municipal pipeline construction, O&M frequently weigh
It is multiple to excavate.The pipelines such as electric power are included in the great change that pipe gallery is urban pipeline development mode, are conducive to improve electric power
Reliability, safety and the service life of equal pipeline performances；Urban ground soil and the underground space are utilized to saving, improves city
Comprehensive load capacity play the role of it is key, to promote pipe gallery construction sustainable development be of great significance.
High voltage power cable and other municipal pipelines are laid in pipe gallery, such as water supply, draining, combustion gas, heat supply, confession
The pipelines such as electricity, communication.In existing design, pipe gallery wall uses reinforced concrete structure, high-tension cable and other municipal administration pipes
Line is laid on the bracket of pipe gallery, and bracket is fixedly connected with the row of connection, and connection row passes through ground line with each power cable
Electrical connection, connection row are accessed again using steel grid in wall as in the natural grounding system of conductor.In this high-tension cable and its
In the case that its municipal pipeline shares the progress protective grounding of natural grounding system, when short trouble occurs for high-tension cable, ground connection
Electric current will be led in the natural grounding system of pipe gallery by the row of connection, and ground potential is caused to increase, and ground potential raising may draw
Municipal pipeline is played, fire, explosion occurs especially with pipelines such as combustion gas, the sewage of steel pipe laying, there are security risks.
Based on the above situation, the utility model designs a kind of earthing or grounding means of pipe gallery high-tension cable, existing to solve
The technical issues of.
Utility model content
Based on the above, the purpose of this utility model is to provide a kind of earthing or grounding means of pipe gallery high-tension cable,
Natural grounding system is shared to solve prior art medium and high voltage cable and other municipal pipelines, short trouble occurs for high-tension cable
When, cause ground potential to increase, and then cause and fire, explosion occurs using pipelines such as combustion gas, the sewage of steel pipe laying, threatens citizen
The problems such as security of the lives and property.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of earthing or grounding means of pipe gallery high-tension cable, including connection row, insulating part and earthed system, the connection row
It is fixedly connected with the bracket on pipe gallery wall, the insulating part is set between the connection row and the bracket, and energy
The connection is set to arrange and be electrically insulated between the bracket；Described connection row one end is electrically connected by ground line with high-tension cable,
The other end is electrically connected with the earthed system.
Preferably, the connection row is fixedly connected with the bracket by interconnecting piece.
Preferably, the interconnecting piece is L-shaped metal plate, the L-shaped metal plate is solid by connector and connection row
Fixed connection.
Preferably, the connection row is equipped with the first connecting hole, the L-shaped metal plate is equipped with the second connecting hole, institute
Stating connector is screw bolt and nut, and the bolt wears first connecting hole, second connecting hole, and with the nut spiral shell
Line connection.
Preferably, the insulating part is felt pad, the felt pad is set to the L-shaped metal plate and the connection is arranged
Between and the connection row the bolt between.
Preferably, the earthed system includes the first earthing pole and the second earthing pole, second earthing pole is embedded in
In ground below pipe gallery, first earthing pole one end is electrically connected with connection row, the other end and described second
Earthing pole electrical connection.
Preferably, the connection row is copper bar.
Preferably, the insulating part is made of composite fiberglass material.
The utility model has the following beneficial effects:
The utility model discloses a kind of earthing or grounding means of pipe gallery high-tension cable, makes connection row and bracket by insulating part
Between keep insulation, connection row be electrically connected with earthed system again, no longer with the shared natural grounding system of other municipal pipelines, avoids
Short trouble occurs for high-tension cable, and ground potential is caused to increase, and then causes and occurred using pipelines such as combustion gas, the sewage of steel pipe laying
Fire, explosion ensure citizen's security of the lives and property.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the utility model embodiment, the utility model will be implemented below
Mode describe needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only this reality
It without creative efforts, is gone back for those of ordinary skill in the art with novel some embodiments
Other attached drawings can be obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the facing structure of the earthing or grounding means for the pipe gallery high-tension cable that specific embodiment of the present invention provides
Schematic diagram；
Fig. 2 is the side view structure of the earthing or grounding means for the pipe gallery high-tension cable that specific embodiment of the present invention provides
Schematic diagram；
Fig. 3 is the pipe gallery sectional schematic diagram that specific embodiment of the present invention provides.
In figure:
1- connection row；2- insulating part；3- bracket；4- interconnecting piece；5- connector；6- bracket；7- high-tension cable.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described
Embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained without creative efforts,
It fall within the protection scope of the utility model.
As shown in Figure 1-Figure 3, present embodiment provides a kind of earthing or grounding means of pipe gallery high-tension cable, which includes
Connection row 1, insulating part 2 and earthed system (not shown), connection row 1 are fixedly connected with the bracket 3 on pipe gallery wall,
Insulating part 2 is set between connection row 1 and bracket 3, and can make to be electrically insulated between connection row 1 and bracket 3；1 one end of connection row is logical
It crosses ground line to be electrically connected with high-tension cable 7, the other end is electrically connected with earthed system.1 preferred copper bar, insulation are arranged in above-mentioned connection
Part 2 is preferably made of composite fiberglass material.
Compared with prior art, the earthing or grounding means of pipe gallery high-tension cable provided by the utility model, passes through insulating part 2
Make to keep insulating between connection row 1 and bracket 3, connection row 1 is electrically connected with earthed system again, no longer shares with other municipal pipelines
Natural grounding system avoids high-tension cable 7 that short trouble occurs, ground potential is caused to increase, and then causes using steel pipe laying
Fire, explosion occur for the pipelines such as combustion gas, sewage, ensure citizen's security of the lives and property.
Specifically, bracket 3 is embedded on the wall of pipe gallery, is preferably vertically arranged.It is set in parallel on 3 length direction of bracket
Multiple brackets 6 are set, high-tension cable 7 and other municipal pipelines are laid on bracket 6, and bracket 6 is solid by bolt, nut and bracket 3
Fixed connection.
In present embodiment, connection row 1 is fixedly connected with bracket 3 by interconnecting piece 4, the optional L-shaped metal plate of interconnecting piece 4,
Such as angle steel.L-shaped metal plate is fixedly connected by connector 5 with bracket 3, is fixedly connected by connector 5 with the row of connection 1, is connected
The optional screw bolt and nut of part 5.Connection row 1 is equipped with the first connecting hole, and L-shaped metal plate is equipped with the second connecting hole, and bolt is worn
First connecting hole, the second connecting hole, and connect with nut thread.
Preferably, insulating part 2 is felt pad, it is all provided between L-shaped metal plate and connection row 1, between connection row 1 and bolt
There is felt pad, felt pad plays the role of insulating connection row 1 with bracket 3.
Earthed system can be divided into for the earthed system of open cut piping lane and for tunneling according to comprehensive pipe gallery structure form
The earthed system of piping lane.Wherein, needs are generally designed according to ground resistance in open cut piping lane, be arranged in pipe gallery section more
A vertical grounding electrode is connected by horizontal grounding pole between multiple vertical grounding electrodes.Tunneling piping lane earthing or grounding means generally uses pre-buried
Grounding Grids are laid under the active well bottom plate of pipe gallery section two sides, and are pierced by bottom plate upwards by introduction point.
In present embodiment, earthed system includes the first earthing pole and the second earthing pole, and the optional level of the second earthing pole is buried
In the ground below pipe gallery, the vertical second earthing pole setting of the first earthing pole, one end is electrically connected with the row of connection 1,
Its other end is electrically connected with the second earthing pole.
Note that above are only the better embodiment and institute's application technology principle of the utility model.Those skilled in the art
It will be appreciated that the utility model is not limited to particular implementation described here, it is able to carry out for a person skilled in the art each
The apparent variation of kind is readjusted and is substituted without departing from the protection scope of the utility model.Therefore, although by above real
Mode is applied to be described in further detail the utility model, but the utility model is not limited only to embodiment of above,
It can also include other more equivalent implementations in the case where not departing from the utility model design, and the utility model
Range is determined by the scope of the appended claims.
Claims (8)
1. a kind of earthing or grounding means of pipe gallery high-tension cable, which is characterized in that including connection row (1), insulating part (2) and ground connection
System, the connection row (1) are fixedly connected with the bracket (3) on pipe gallery wall, and the insulating part (2) is set to the company
Run in (1) between the bracket (3), and can make to be electrically insulated between the connection row (1) and the bracket (3)；The connection
Row (1) one end is electrically connected by ground line with high-tension cable (7), and the other end is electrically connected with the earthed system.
2. the earthing or grounding means of pipe gallery high-tension cable according to claim 1, which is characterized in that (1) is arranged in the connection
It is fixedly connected with the bracket (3) by interconnecting piece (4).
3. the earthing or grounding means of pipe gallery high-tension cable according to claim 2, which is characterized in that the interconnecting piece (4)
For L-shaped metal plate, the L-shaped metal plate is arranged (1) with the connection by connector (5) and is fixedly connected.
4. the earthing or grounding means of pipe gallery high-tension cable according to claim 3, which is characterized in that (1) is arranged in the connection
It is equipped with the first connecting hole, the L-shaped metal plate is equipped with the second connecting hole, and the connector (5) is screw bolt and nut, described
Bolt wears first connecting hole, second connecting hole, and connect with the nut thread.
5. the earthing or grounding means of pipe gallery high-tension cable according to claim 4, which is characterized in that the insulating part (2)
For felt pad, the felt pad be set between the L-shaped metal plate and connection row (1) and connection row (1) and
Between the bolt.
6. the earthing or grounding means of pipe gallery high-tension cable according to claim 1, which is characterized in that the earthed system packet
The first earthing pole and the second earthing pole are included, second earthing pole is embedded in the ground below pipe gallery, and described first connects
Earth polar one end is arranged (1) with the connection and is electrically connected, and the other end is electrically connected with second earthing pole.
7. the earthing or grounding means of pipe gallery high-tension cable according to claim 1-6, which is characterized in that the company
Run in (1) for copper bar.
8. the earthing or grounding means of pipe gallery high-tension cable according to claim 7, which is characterized in that the insulating part (2)
It is made of composite fiberglass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814153.8U CN209658425U (en) | 2019-05-31 | 2019-05-31 | A kind of earthing or grounding means of pipe gallery high-tension cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814153.8U CN209658425U (en) | 2019-05-31 | 2019-05-31 | A kind of earthing or grounding means of pipe gallery high-tension cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658425U true CN209658425U (en) | 2019-11-19 |
Family
ID=68530791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920814153.8U Active CN209658425U (en) | 2019-05-31 | 2019-05-31 | A kind of earthing or grounding means of pipe gallery high-tension cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658425U (en) |
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2019
- 2019-05-31 CN CN201920814153.8U patent/CN209658425U/en active Active
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