CN209592950U - Earthing box for electric cable - Google Patents
Earthing box for electric cable Download PDFInfo
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- CN209592950U CN209592950U CN201920722348.XU CN201920722348U CN209592950U CN 209592950 U CN209592950 U CN 209592950U CN 201920722348 U CN201920722348 U CN 201920722348U CN 209592950 U CN209592950 U CN 209592950U
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- electric cable
- box
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Abstract
The utility model discloses earthing box for electric cable, including cabinet, the side inner wall of the cabinet is provided with mounting plate, and copper bar has been bolted in the bottom outer wall of mounting plate, earth polar terminal has been bolted close to the position of side in the top exterior walls of the copper bar, and the protector equidistantly distributed is bolted in the bottom outer wall of copper bar, the second yoke plate has been bolted in the two sides inner wall of the cabinet, and second the side outer wall of yoke plate the inner conductor holder equidistantly distributed is bolted, it is bolted before the inner conductor holder and protector, the first yoke plate has been bolted in the two sides inner wall of the cabinet, and first the side outer wall of yoke plate the outer conductor holder equidistantly distributed is bolted.The overall tightness of grounding box has been effectively ensured in the utility model, and using effect more preferably, and effectively increases the security performance in grounding box use process, more practicability, also extends the service life of grounding box.
Description
Technical field
The utility model relates to earthing box for electric cable technical field more particularly to earthing box for electric cable.
Background technique
Transmission line of electricity uses cable transfer on a large scale, and wherein earthing box for electric cable is in power industry handling cable system
Important component, be widely used in the project of the engineerings such as electric power, railway, urban construction, water conservancy, rail traffic, grounding box is to be used for
Ground line is placed, protective ground wire is played, is specifically divided into and is directly grounded that case, protective grounding case, three-phase is cross interconnected connects
Ground case, six line grounding box of three-phase.
Currently, there are still certain shortcomings for existing earthing box for electric cable, traditional grounding box leakproofness is poor, is easy to produce
Raw drainage, steam easily enters cabinet and causes short circuit that internal wiring is damaged, and corrosion resistance is weaker, therefore,
Design earthing box for electric cable is needed to solve the above problems.
Summary of the invention
Purpose of the utility model is to solve disadvantages existing in the prior art, and the earthing box for electric cable proposed.
To achieve the goals above, the utility model adopts the technical scheme that
Earthing box for electric cable, including cabinet, the side inner wall of the cabinet are provided with mounting plate, and the bottom outer wall of mounting plate
Copper bar has been bolted, earth polar terminal has been bolted close to the position of side in the top exterior walls of the copper bar, and
The protector equidistantly distributed is bolted in the bottom outer wall of copper bar, and the two sides inner wall of the cabinet is bolted
Have the second yoke plate, and the side outer wall of the second yoke plate is bolted the inner conductor holder equidistantly distributed, it is described in lead
It being bolted before body holder and protector, the two sides inner wall of the cabinet has been bolted the first yoke plate, and the
The outer conductor holder equidistantly distributed, the inner conductor holder and outer conductor folder is bolted in the side outer wall of one yoke plate
There is an interconnection board by bolt interconnection between seat, the outer wall of the cabinet is coated with corrosion-resistant coating, outside the bottom of the cabinet
Wall is provided with the inlet wire pipe equidistantly distributed, and the outer wall of inlet wire pipe is provided with thermal contraction casing tube, the side outer wall of the cabinet
It is provided with square groove, and the inner wall of square groove is bonded with sealing ring.
The side outer wall of the cabinet is provided with several thread grooves, and spiral shell as a further solution of the present invention,
The inner thread of groove is connected with fastening bolt, and clamping connection has case lid, the side outer wall welding of case lid between fastening bolt and cabinet
There is handle.
The two sides outer wall of the cabinet is provided with pressure port, and pressure as a further solution of the present invention,
The inner wall in hole is placed with pressure chamber, and the two sides inner wall of cabinet is welded with partition.
The two sides outer wall of the cabinet is provided with arc-shaped cover, and arc as a further solution of the present invention,
The outer wall rotation connection of the inner wall and pressure chamber of cover.
The top exterior walls of the cabinet are provided with as a further solution of the present invention, equidistant is distributed in a ring
Support rod, and the quantity of support rod be four.
The top exterior walls of the support rod are welded with rain cover, and rain-proof as a further solution of the present invention,
The two sides outer wall of cover is welded with rhone.
The utility model has the following beneficial effects:
1. by sealing ring, fastening bolt and the thermal contraction casing tube of setting, the sealing ring energy being arranged between case lid and cabinet
It is enough that cabinet is closely sealed, it prevents steam from entering cabinet and causes short circuit that internal wiring is damaged, and inlet wire pipe housing
It is connected to thermal contraction casing tube, can closely connect with inlet wire electric wire will not generate gap, and the entirety that grounding box has been effectively ensured is close
Feng Xing, using effect is more preferably；
2. by pressure port, pressure chamber and the arc-shaped cover of setting, when ground fault, lightning wave or inside occur for cable core
When overvoltage, very high voltage can be generated on cable metal sheath, protector surface easily becomes the channel of electric arc generation, in electric arc
Under effect, protector easily bursts, and the temperature in grounding box can increase, and pressure is caused in cabinet to increase, at this time pressure chamber can and
When gone out from pressure port and discharge internal pressure, and be located at cabinet two sides arc-shaped cover can protect grounding box in normal use
When, pressure chamber will not effectively increase the security performance in grounding box use process by extraneous artificial destruction, the structure, more in fact
The property used；
3., when encountering rainwater weather, rainwater can fall in rain cover by corrosion-resistant coating, rain cover and the rhone of setting
On, and be discharged by rhone, it effectively prevent rainwater to fall in and causes to corrode on grounding box, and be located at the anticorrosion outside grounding box
Layer can be further improved the anticorrosion ability of grounding box, effectively extend the service life of grounding box.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view for the earthing box for electric cable that embodiment 1 proposes；
Fig. 2 is the box structure diagram for the earthing box for electric cable that embodiment 1 proposes；
Fig. 3 is the schematic view of the front view for the earthing box for electric cable that embodiment 2 proposes.
In figure: 1 cabinet, 2 corrosion-resistant coatings, 3 sealing rings, 4 inlet wire pipes, 5 thermal contraction casing tubes, 6 first yoke plates, 7 outer conductors folder
Seat, 8 interconnection boards, 9 inner conductor holders, 10 second yoke plates, 11 partitions, 12 protectors, 13 copper bars, 14 mounting plates, 15 earth polar terminals,
16 pressure chambers, 17 arc-shaped covers, 18 pressure ports, 19 case lids, 20 fastening bolts, 21 handles, 22 support rods, 23 rain covers, 24 drainings
Slot.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Embodiment 1
Referring to Fig.1-2, earthing box for electric cable, including cabinet 1, the side inner wall of cabinet 1 are welded with mounting plate 14, and mounting plate
Copper bar 13 has been bolted in 14 bottom outer wall, and the top exterior walls of copper bar 13 have been bolted close to the position of side
Earth polar terminal 15, and the bottom outer wall of copper bar 13 is bolted the protector 12 equidistantly distributed, in the two sides of cabinet 1
Wall has been bolted the second yoke plate 10, and the side outer wall of the second yoke plate 10 be bolted equidistantly distribute it is interior
It is bolted before conductor holder 9, inner conductor holder 9 and protector 12, the two sides inner wall of cabinet 1 has been bolted
First yoke plate 6, and the outer conductor holder 7 equidistantly distributed, inner conductor folder is bolted in the side outer wall of the first yoke plate 6
There is interconnection board 8 by bolt interconnection between seat 9 and outer conductor holder 7, the outer wall of cabinet 1 is coated with corrosion-resistant coating 2, cabinet
1 bottom outer wall is welded with the inlet wire pipe 4 equidistantly distributed, and the outer wall of inlet wire pipe 4 is socketed with thermal contraction casing tube 5, cabinet 1
Side outer wall is provided with square groove, and the inner wall of square groove is bonded with sealing ring 3.
Wherein, the side outer wall of cabinet 1 is provided with several thread grooves, and the inner thread of thread groove is connected with fastening bolt
20, clamping connection has case lid 19 between fastening bolt 20 and cabinet 1, and the side outer wall of case lid 19 is welded with handle 21, the two sides of cabinet 1
Outer wall is provided with pressure port 18, and the inner wall of pressure port 18 is placed with pressure chamber 16, and the two sides inner wall of cabinet 1 is welded with partition
11, the two sides outer wall of cabinet 1 is welded with arc-shaped cover 17, and the outer wall of the inner wall of arc-shaped cover 17 and pressure chamber 16 is rotatablely connected.
Embodiment 2
Referring to Fig. 3, earthing box for electric cable, the present embodiment further includes that the top exterior walls of cabinet 1 are welded with compared to embodiment 1
The equidistant support rod 22 being distributed in a ring, and the quantity of support rod 22 is four, the top exterior walls of support rod 22 are welded with anti-
Canopy 23, and the two sides outer wall of rain cover 23 is welded with rhone 24.
Working principle: in use, cabinet 1 is fixed on installation site, fastening bolt 20 is screwed off, removes case lid 19, will be connect
Ground cable is inserted into inside cabinet 1 from thermal contraction casing tube 5, stripping earth cable, exposes the core for being adapted to fit length, and be fixed on
On outer conductor holder 7, thermal contraction casing tube 5 then is shunk with heat source heating, and cover case lid 19, fastening bolt 20 is inserted into case
In thread groove on body 1 and the sealing ring 3 that screws, while being arranged between case lid 19 and cabinet 1 can carry out cabinet 1 closely
Sealing, prevents steam from entering cabinet 1 and causes short circuit that internal wiring is damaged, when ground fault, lightning wave occur for cable core
Or when internal overvoltage, very high voltage can be generated on cable metal sheath, 12 surface of protector easily becomes the logical of electric arc generation
Road, under arcing, protector 12 easily bursts, and the temperature in grounding box can increase, and causes pressure in cabinet 1 to increase, at this time
Pressure chamber 16 can be gone out from pressure port 18 in time and discharge internal pressure, and the arc-shaped cover 17 for being located at 1 two sides of cabinet can be with
For protective grounding case in normal use, pressure chamber 16 will not be by extraneous artificial destruction, and when encountering rainwater weather, rainwater can be fallen in
It on rain cover 23, and is discharged by rhone 24, effectively prevent rainwater to fall in and cause to corrode on grounding box, and be located at outside grounding box
The corrosion-resistant coating 2 in portion can be further improved the anticorrosion ability of grounding box, effectively extend the service life of grounding box.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. earthing box for electric cable, including cabinet (1), which is characterized in that the side inner wall of the cabinet (1) is provided with mounting plate
(14), and the bottom outer wall of mounting plate (14) has been bolted copper bar (13), and the top exterior walls of the copper bar (13) are close
The position of side has been bolted earth polar terminal (15), and the bottom outer wall of copper bar (13) be bolted it is equidistant
The two sides inner wall of the protector (12) of distribution, the cabinet (1) has been bolted the second yoke plate (10), and the second yoke plate
(10) the inner conductor holder (9) equidistantly distributed, the inner conductor holder (9) and protection is bolted in side outer wall
It is bolted before device (12), the two sides inner wall of the cabinet (1) has been bolted the first yoke plate (6), and first
The side outer wall of yoke plate (6) is bolted the outer conductor holder (7) equidistantly distributed, the inner conductor holder (9) and
Have interconnection board (8) between outer conductor holder (7) by bolt interconnection, the outer wall of the cabinet (1) is coated with corrosion-resistant coating
(2), the bottom outer wall of the cabinet (1) is provided with the inlet wire pipe (4) equidistantly distributed, and the outer wall of inlet wire pipe (4) is provided with
The side outer wall of thermal contraction casing tube (5), the cabinet (1) is provided with square groove, and the inner wall of square groove is bonded with sealing ring
(3).
2. earthing box for electric cable according to claim 1, which is characterized in that the cabinet (1) if side outer wall be provided with
Dry thread groove, and the inner thread of thread groove is connected with fastening bolt (20), there is clamping connection between fastening bolt (20) and cabinet (1)
Case lid (19), the side outer wall of case lid (19) are welded with handle (21).
3. earthing box for electric cable according to claim 1 to 2, which is characterized in that the two sides outer wall of the cabinet (1) is equal
Be provided with pressure port (18), and the inner wall of pressure port (18) is placed with pressure chamber (16), the two sides inner wall of cabinet (1) be welded with every
Plate (11).
4. earthing box for electric cable according to claim 3, which is characterized in that the two sides outer wall of the cabinet (1) is provided with
Arc-shaped cover (17), and the outer wall of the inner wall of arc-shaped cover (17) and pressure chamber (16) is rotatablely connected.
5. earthing box for electric cable according to claim 4, which is characterized in that the top exterior walls of the cabinet (1) are provided with
The support rod (22) that distance is distributed in a ring, and the quantity of support rod (22) is four.
6. earthing box for electric cable according to claim 5, which is characterized in that the top exterior walls of the support rod (22) are welded with
Rain cover (23), and the two sides outer wall of rain cover (23) is welded with rhone (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722348.XU CN209592950U (en) | 2019-05-20 | 2019-05-20 | Earthing box for electric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722348.XU CN209592950U (en) | 2019-05-20 | 2019-05-20 | Earthing box for electric cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209592950U true CN209592950U (en) | 2019-11-05 |
Family
ID=68345464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920722348.XU Active CN209592950U (en) | 2019-05-20 | 2019-05-20 | Earthing box for electric cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209592950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018684A (en) * | 2020-08-27 | 2020-12-01 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding device for high-voltage cable and use method |
-
2019
- 2019-05-20 CN CN201920722348.XU patent/CN209592950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018684A (en) * | 2020-08-27 | 2020-12-01 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding device for high-voltage cable and use method |
| CN112018684B (en) * | 2020-08-27 | 2021-10-08 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding device for high-voltage cable and use method |
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