CN207818924U - Power cable earthing or grounding means - Google Patents
Power cable earthing or grounding means Download PDFInfo
- Publication number
- CN207818924U CN207818924U CN201721807510.5U CN201721807510U CN207818924U CN 207818924 U CN207818924 U CN 207818924U CN 201721807510 U CN201721807510 U CN 201721807510U CN 207818924 U CN207818924 U CN 207818924U
- Authority
- CN
- China
- Prior art keywords
- cable
- shell
- shield
- stick
- locating part
- 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 - Fee Related
Links
Abstract
It is insufficient existing for existing technology in order to overcome, the utility model provides a kind of power cable earthing or grounding means, and the utility model includes driving line, motor group, shaft, shell, bar shell, vertical stick, locating part, bull stick, shield, cable pipe, cable, cable firmware；Power cable can be efficiently grounded by the power cable earthing or grounding means.
Description
Technical field
It is especially a kind of power cable to be efficiently grounded the utility model is related to a kind of power cable field devices
Power cable earthing or grounding means.
Background technology
Cable grounding prevent the person shocked by electricity, it is ensured that electric system normal operation, protection circuit and equipment from damage,
Electrical fire can be also prevented, lightning stroke and electrostatic hazard etc. are prevented.The effect of the ground connection of cable metal sheath or shielding has:(1) electric
Road flows into the earth to capacitance current of the cable core to shielding and protective metal shell once；(2) when cable sends out protective metal shell or shielding
When raw short circuit, short circuit current can flow into underground；(3) phase fault occurs after cable core insulation harm and is developed to earth fault
When, fault current is flowed by ground wire in ground；(4) induced voltage caused by the out-of-balance current in cable, by ground wire with
The earth forms short circuit, prevents cable butting floor-engaging frame from discharging there are potential difference flashover.The crosslinked cable largely used now, point
It mutually shields, shielded layer parting category (copper strips) layer and semi-conductive layer.Contain colloid carbon in semi-conductive layer, the work of uniform electric field can be played
With；Simultaneously because ruining object, uniform electric field, to protect cable caused by air ionization in carbon energy absorbing cable ontology slight gap
Insulation.The effect of metal screen layer:First keeps zero potential, makes do not have potential difference between cable core；Second carried in short circuit it is short
Road electric current, so as not to because short circuit cause cable temperature rise it is excessively high due to damage insulating layer, while to be also possible to prevent ambient outside strong for shielded layer
Interference of the electric field to transmission electric current in cable；The highfield that cable generates effectively can be limited in shielded layer by third shielded layer
Interior, due to shielding layer grounding, the external highfield that cable is just not present and generates will not produce the light current circuit and instrument of surrounding
Raw forceful electric power interference jeopardizes personal safety.It is low that prior art power cable is grounded efficiency.
Utility model content
A kind of insufficient existing for existing technology, power cable earthing or grounding means of the utility model offer, electric power electricity are provided
Power cable can be efficiently grounded by cable earthing or grounding means.
Technical solution adopted by the utility model to solve its technical problems is：The utility model includes driving line, motor
Group, shaft, shell, bar shell, vertical stick, locating part, bull stick, shield, cable pipe, cable, cable firmware；
Line is driven to connect motor group, motor group end connects on shaft end, and shaft end is connected to bull stick upper end, vertically
Stick is located at bull stick top, and locating part is mounted on vertical stick, and bar shell upper end is connected to outer casing bottom, and vertical stick upper end is connected to outer
There are circular protrusion in shell bottom, vertical stick bottom end, have the through-hole for accommodating bull stick in the middle part of vertical stick；Locating part top connects with shell
It touches；Fixed cable pipe can be dismantled on the outside of shell, bar shell, cable bottom of the tube is equipped with cable firmware, and cable passes through cable piping solid in cable
On part.
Shell is wrapped in motor group and shaft ring week.
Bar shell is wrapped in around locating part, and on the early vertical stick of through-hole installation that shield passes through upper end, bar shell interior bone is straight
Diameter is equal with shield outer diameter, and locating part bottom is contacted with shield top surface；There is shrinkage cavity structure in shield upper end, has receiving to turn inside shield
The through-hole of bar.
The utility model has the beneficial effects that power cable efficiently can be grounded.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is example structure figure.
In figure
1, line is driven
2, motor group
3, shaft
4, shell
5, bar shell
6, vertical stick
7, locating part
8, bull stick
9, shield
10, cable pipe
11, cable
12, cable firmware
Specific implementation mode
In the embodiment shown in fig. 1, the utility model includes driving line 1, motor group 2, shaft 3, shell 4, bar shell 5, erects
Straight stick 6, locating part 7, bull stick 8, shield 9, cable pipe 10, cable 11, cable firmware 12.
Line 1 is driven to connect motor group 2,2 end of motor group connects on 3 end of shaft, and 3 end of shaft is connected on bull stick 8
End, vertical stick 6 are located at 8 top of bull stick, and locating part 7 is mounted on vertical stick 6, and 5 upper end of bar shell is connected to 4 bottom of shell, vertically
6 upper end of stick is connected to 4 bottom of shell, and 6 bottom end of vertical stick has circular protrusion, 6 middle part of vertical stick to have the through-hole for accommodating bull stick 8；
7 top of locating part is contacted with shell 4；Shell 4,5 outside of bar shell can dismantle fixed cable pipe 10, and 10 bottom of cable pipe is solid equipped with cable
Part 12, cable 11 are tied up to across cable pipe 10 on cable firmware 12；Shell 4 is wrapped in motor group 2 and shaft 3 ring week；Bar shell 5 wraps up
Around locating part 7, on the early stick 6 vertically of through-hole installation that shield 9 passes through upper end, 5 interior bone diameter of bar shell and 9 outer diameter of shield
Equal, 7 bottom of locating part is contacted with 9 top surface of shield；There is shrinkage cavity structure in 9 upper end of shield, has inside shield 9 and accommodates the logical of bull stick 8
Hole；
In specific implementation, electric power cable 11 is tied up to across cable pipe 10 on cable firmware 12, and entire body is stretched in the rotation of bull stick 8
Enter to underground, electric power cable 11 also extend into underground therewith；Cable pipe 10 can dismantle the outside for being fixed on shell 4, bar shell 5, when
8 place body of bull stick can be detached underground by electric power cable 11 after extending into underground, and electric power cable 11 is consolidated with cable pipe 10 later
It is scheduled on underground predeterminated position.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Embodiment disclosed above, all things considered are all merely illustrative, not the only.It is all
Change within the scope of the invention or equivalents of the invention is included in the utility model.
Claims (3)
1. a kind of power cable earthing or grounding means, including drive line, motor group, shaft, shell, bar shell, vertical stick, locating part, turn
Bar, shield, cable pipe, cable, cable firmware, it is characterized in that：Line is driven to connect motor group, motor group end connects shaft end
On, shaft end is connected to bull stick upper end, and vertical stick is located at bull stick top, and locating part is mounted on vertical stick, and bar shell upper end connects
It is connected on outer casing bottom, vertical stick upper end is connected to outer casing bottom, and there is circular protrusion in vertical stick bottom end, has receiving in the middle part of vertical stick
The through-hole of bull stick；Locating part top is contacted with shell；Fixed cable pipe can be dismantled on the outside of shell, bar shell, cable bottom of the tube is equipped with line
Cable firmware, cable pass through cable piping on cable firmware.
2. a kind of power cable earthing or grounding means according to claim 1, it is characterized in that：Shell is wrapped in motor group and shaft
Ring week.
3. a kind of power cable earthing or grounding means according to claim 1, it is characterized in that：Bar shell is wrapped in around locating part,
Shield by the way that on the early vertical stick of the through-hole of upper end installation, bar shell interior bone diameter is equal with shield outer diameter, locating part bottom and
Shield top surface contacts；There is shrinkage cavity structure in shield upper end, there is the through-hole for accommodating bull stick inside shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721807510.5U CN207818924U (en) | 2017-12-22 | 2017-12-22 | Power cable earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721807510.5U CN207818924U (en) | 2017-12-22 | 2017-12-22 | Power cable earthing or grounding means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818924U true CN207818924U (en) | 2018-09-04 |
Family
ID=63329644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721807510.5U Expired - Fee Related CN207818924U (en) | 2017-12-22 | 2017-12-22 | Power cable earthing or grounding means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818924U (en) |
-
2017
- 2017-12-22 CN CN201721807510.5U patent/CN207818924U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20181222 |