CN109462203A - A kind of cable branch box convenient for wiring - Google Patents
A kind of cable branch box convenient for wiring Download PDFInfo
- Publication number
- CN109462203A CN109462203A CN201811072433.2A CN201811072433A CN109462203A CN 109462203 A CN109462203 A CN 109462203A CN 201811072433 A CN201811072433 A CN 201811072433A CN 109462203 A CN109462203 A CN 109462203A
- Authority
- CN
- China
- Prior art keywords
- wiring
- hole
- clamp device
- cable
- branch box
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Distribution Board (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a kind of cable branch box convenient for wiring, including cabinet, cable, busbar, wiring clamp device, the main part of wiring clamp device passes through several cables of connection sheet respectively and passes through the conductive connection of wiring clamp device respectively on each conductive fulcrum of busbar；Several wiring clamp devices are linked to be on the guide rod covered in bar beam, the connecting terminal of cable is respectively fitted on the insulated bolt of busbar when wiring, wiring clamp device is slided and the corresponding wiring clamp device for being placed with connecting terminal is screwed to insulated bolt, the conductive column of wiring clamp device can be inserted into the wiring hole of corresponding connecting terminal, busbar, connecting terminal conductive communication simultaneously securely fix, and can rapidly realize the connection of multiple cables.Cable branch box convenient for wiring of the invention is convenient for multiple wiring, and by the structure of locking latch, so that the connection of cable and busbar is more reliable, secured, improves the reliability of cable branch box branch distribution.
Description
Technical field
The invention belongs to field of electrical equipment more particularly to a kind of cable branch box convenient for wiring.
Background technique
In distribution line operation, cable branch box is the common power equipment for carrying out distribution, and to realize route and pass through
Cable branch box carries out the purpose of electric current branch, then must by the cable of related end of incoming cables and leading-out terminal respectively with case is intracorporal leads
The corresponding conductive fulcrum of electricity row carries out patching operations.However, current cable branch box is in the wiring with inlet wire or outlet cable
When terminal carries out wiring, there is also many problems, for example, wiring is unstable, it is hard etc. to operate.
Summary of the invention
The purpose of the present invention is to provide a kind of cable branch box convenient for wiring, are convenient for multiple cable patching operations,
And the connection of cable and busbar is more reliable, secured, improves the reliability of cable branch box branch distribution.
To solve the above problems, the present invention provides a kind of cable branch box convenient for wiring, including cabinet, cable,
Busbar, wiring clamp device, cabinet is interior to be equipped with bar beam, and busbar is fixedly mounted in bar beam, several cables
It is conductively connected on each conductive fulcrum of busbar by wiring clamp device respectively；The cable is provided with equipped with centre
Disk-shaped, the conductive connecting terminal of circular through hole, it is radially distributed on the connecting terminal to have several wiring holes, each
The downward surface direction in upper surface of hole body size from the connecting terminal of the wiring hole is gradually reduced, the wiring clamp device packet
Main part, wire connecting portion, tight lock part are included, the tight lock part is rotatably mounted to the top of main part, and the wire connecting portion is connected in
The lower section of the main part, the wire connecting portion include that centre is provided with the disk-shaped terminal plate of round tube hole and at the terminal plate bottom
Portion is radially distributed, downwardly projecting several conductive columns being equipped with, and the conductive column is connected one end far from terminal plate from it
One end of terminal plate is gradually narrowed, and the main part center is also provided with circular hole to perforation vertically, is opened up at the tight lock part center
Have downwards and the threaded hole that is connected to the circular hole, the round tube hole, circular hole, threaded hole be coaxially provided with, the busbar it is each
Protrusion is provided with insulated bolt on a conduction fulcrum, and the side of the bar beam is equipped with the guide rod being vertically arranged, Shuo Gejie
The main part of line clamp device pass through respectively connection sheet successively connect it is in a row, center between two neighboring wiring clamp device away from
It is equal from the centre distance between adjacent two insulated bolts, and respectively conductive column angle is all consistent, outermost end it is described
Connection sheet is equipped with aperture, and is covered on the guide rod by the aperture, in the equivalent locations on each conduction fulcrum also
Equipped with positioning convex strip, assorted positioning corresponding with the positioning convex strip is equipped in predetermined position on the lower surface of the connecting terminal
Groove, the circular through hole of the connecting terminal covers to be placed on conductive fulcrum in insulated bolt other places, and positioning convex strip insertion is fixed
Position groove, the predetermined position enable set on the guide bar, the conductive column of wiring clamp device that connects together respectively corresponds
Ground is inserted into wiring hole, and the insulated bolt sequentially passes through round tube hole, circular hole and is threadedly coupled and fastens with the tight lock part, institute
Conductive column is stated to be inserted into wiring hole.
Further, the conductive column and wiring hole grafting in an interference fit.
Further, the cross sectional shape of the conductive column and wiring hole matches.
Further, the cross sectional shape of the conductive column and wiring hole is that fan is cyclic annular.
Further, the tight lock part, main part outside be insulating materials.
It further, is flexible connection at the main part of the wiring clamp device and the link position of connection sheet.
Further, the terminal plate is electric conductor.
Further, the cabinet includes chamber door to be opened/closed.
Further, the cabinet is equipped with heat release hole.
Further, the cabinet is equipped with several line mouths, and the line mouth includes incoming line and line outlet.
Technical solution of the present invention, which has the following beneficial effects:, is screwed to insulation spiral shell in wiring clamp device by being arranged
Bolt, while the conductive column of wiring clamp device is inserted into the wiring hole of corresponding connecting terminal, is tightly pressing against connecting terminal, so that
Busbar, connecting terminal reliably conductive communication and securely fix, while several wiring clamp devices by connecting together
It presses, then tightens respectively simultaneously, can be operated convenient for the branch connection of multi-cable line.Cable branch convenient for wiring of the invention
Case, easy-to-connect, while by the structure of locking latch, so that the connection of cable and busbar is more reliable, secured, improve electricity
The reliability of cable feeder pillar branch distribution.
Detailed description of the invention
Fig. 1 is the main view of the cable branch box convenient for wiring of the embodiment of the present invention；
Fig. 2 is the side view of the cable branch box convenient for wiring of the embodiment of the present invention；
Fig. 3 is the schematic diagram inside the cable branch box convenient for wiring of the embodiment of the present invention；
Fig. 4 is the top view of the connecting terminal of the embodiment of the present invention；
Fig. 5 is the bottom view of a wiring clamp device of the embodiment of the present invention；
Fig. 6 is the cable of the embodiment of the present invention and the schematic diagram of busbar patching operations, wherein wiring clamp device
Part is section view state.
Specific embodiment
Below in conjunction with present specification attached drawing, to a kind of specific implementation of the cable branch box convenient for wiring of the present invention
Example is described in further details, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Example is applied, based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall in the protection scope of this application.
As shown in figures 1 to 6, a kind of cable branch box convenient for wiring of the embodiment of the present invention, including cabinet 1, cable 6,
Busbar, wiring clamp device 7, cabinet is interior to be equipped with bar beam 5, and busbar is fixedly mounted in bar beam 5, several cables
Line 6 is conductively connected on each conductive fulcrum of busbar by wiring clamp device 7 respectively；During the cable 6 is equipped with
Between be provided with disk-shaped, the conductive connecting terminal 9 of circular through hole, it is radially distributed on the connecting terminal 9 to there are several to connect
The downward surface direction in upper surface of string holes 10, hole body size from the connecting terminal 9 of each wiring hole 10 is gradually reduced, described
Wiring clamp device 7 includes main part 71, wire connecting portion, tight lock part 75, and the tight lock part 75 is rotatably mounted to main part 71
Top, the wire connecting portion is connected in the lower section of the main part 71, and the wire connecting portion includes the intermediate plectane for being provided with round tube hole
The terminal plate 72 of shape and 72 bottom of terminal plate is radially distributed, downwardly projecting several conductive columns 73 being equipped with, it is described
The one end that is connected from it with terminal plate 72 of conductive column 73 is gradually narrowed to far from one end of terminal plate 72,71 center of main part
It is provided with to vertical perforation circular hole, the threaded hole being connected to downwards and with the circular hole is offered at 75 center of tight lock part, it is described
Round tube hole, circular hole, threaded hole are coaxially provided with, and protrusion is provided with insulated bolt 11 on each conductive fulcrum of the busbar,
The side of the bar beam 5 is equipped with the guide rod 8 being vertically arranged, and the main part 71 of several wiring clamp devices 7 passes through company respectively
Contact pin 74 successively connect it is in a row, centre distance between two neighboring wiring clamp device 7 and adjacent two insulated bolts 11 it
Between centre distance it is equal, and respectively conductive column 73 angle is all consistent, and the connection sheet 74 of outermost end is equipped with aperture, and
It is covered on the guide rod 8 by the aperture, is additionally provided with positioning convex strip 13 in the equivalent locations on each conduction fulcrum, it is described
Assorted positioning groove corresponding with the positioning convex strip 13, the wiring are equipped in predetermined position on the lower surface of connecting terminal 9
The circular through hole of terminal 9 covers to be placed on conductive fulcrum in 11 other places of insulated bolt, the narrow end of wiring hole 10 direction directed downwardly
It places, and positioning convex strip 13 is inserted into positioning groove, the predetermined position to cover on guide rod 8, the wiring that connects together is tight
It is fixedly mounted with and sets 7 conductive column 73 and can respectively correspondingly be inserted into wiring hole 10, the insulated bolt 11 sequentially passes through round tube hole, circle
Hole is threadedly coupled and fastens with the tight lock part 75, and the conductive column 73 is inserted into wiring hole 10.As long as also that is, by terminals
Son 9 is covered by the angle that its positioning groove can pack into positioning convex strip 13 to be placed on conductive fulcrum outside insulated bolt 11, at this time
The conductive column 73 for covering the wiring clamp device 7 on guide rod 8 is corresponding with each wiring hole 10 respectively, as long as being pulled down,
It can correspond to and be inserted into wiring hole 10.In addition, wiring clamp device 7 is covered on guide rod 8 by the aperture of connection sheet 12, and
It can be moved up and down on the guide rod 8, with the guiding of butted line clamp device 7, also, in the connection of no progress cable 6,
Wiring clamp device 7 can also be positioned by the guide rod 8 and is placed in bar beam 5, to be ready to carry out wiring, avoid wiring
Clamp device 7 is lost easily.The also settable dismountable position limiting structure in 8 top of guide rod prevents connection sheet 12 from deviating from.
Specifically, for several cables 6 with busbar wiring in bar beam 5, cable 6 includes inlet wire cable and outlet
Cable, it is preferable that inlet wire cable and the difference wiring of outlet cable line are in the two sides of busbar.Wherein, it busbar and its leads
Electric fulcrum, connecting terminal 9, wiring clamp device 7 terminal plate 72 and conductive column 73, can be conductive.In cable 6 and busbar
When wiring is connected, by the reliable compression of 73 pair of wire connection terminals 9 of conductive column, it can make wiring clamp device 7 that connecting terminal 9 is tight
Pressure, and the conductive connection that the conductive fulcrum for keeping it corresponding with busbar is close to, transfer electrical energy into cable 6, busbar
Electric energy is reliably and effectively transmitted to cable 6, while installation of the connecting terminal 9 on busbar is fixed also very secured.It is preferred that
Ground, main part 71, wire connecting portion, tight lock part 75 are whole cylindrical, three's coaxial arrangement.Alternatively, it is also possible to be pressed on distributor plate 5
Need to be arranged the structure that several wiring clamp devices 7 connect together as multiple groups, especially for inlet wire cable and outlet
Cable can be distinguished wiring at least two groups, to adapt to different wiring requirements.
Preferably, the conductive column 73 and the grafting in an interference fit of wiring hole 10.The conductive column 73 and wiring
The cross sectional shape in hole 10 matches.That is, in the vertical direction, the width of the conductive column 73 is wider than the hole body of wiring hole 10
Spend it is somewhat larger so that conductive column 73 be inserted into wiring hole 10 when, can be supported in a manner of tightly supportting 10 hole wall of wiring hole around
It connects, to guarantee that conductive column 73 is connect with fitting closely for connecting terminal 9.In one embodiment, the conductive column 73 and wiring hole
10 cross sectional shape is that fan is cyclic annular, as shown in Figure 4,5.The whole height of the insulated bolt 11 is less than connecting terminal 9 and wiring
The sum of the whole height of clamp device 7.
For the ease of safety operation wiring, the outside of the tight lock part 75 is insulating materials.The outside of the main part 71
It also is insulating materials.Preferably, it is that insulating materials is made preferably that the tight lock part 75, main part 71 are whole, the wiring
Hole 10 is radially uniformly distributed connecting terminal 9, and all 10 shape, structures of wiring hole are consistent, and the conductive column 73 is in wiring
Plate 72 is radially uniformly distributed, and all 73 shape and structures of conductive column are consistent.The quantity of the conductive column 73 can be less than wiring
Hole 10, but the arrangement of conductive column 73 needs to make each conductive column 73 that can correspond in one wiring hole 10 of insertion at this time.It is preferred that
Ground, conductive column 73 are equal with the quantity of wiring hole 10.It is provided with 8 in the present embodiment.
In addition, being flexible connection at the main part 71 of the wiring clamp device 7 and the link position of connection sheet 74.Thus
When the corresponding conductive fulcrum in 7 lower section of part line clamp device in the outside of the wiring clamp device 7 to connect together does not need to connect
When cable, in the case where the wiring clamp device 7 for having connect cable is pressed and tightens, the wiring for not needing to connect cable is tight
It is fixedly mounted with and sets 7 and propped up in the case where not tightening its tight lock part 75 by insulated bolt 11, at this time due to main part 71 and connection sheet 74
Link position at for flexible connection, so having no effect on the state that wiring clamp device 7 is propped up.Preferably, it can be this
Junction is convex Arcuate flexible structure.
In addition, the cabinet 1 includes chamber door 3 to be opened/closed.For staff while the convenient protection to cable branch
Chamber door 3 is opened to be operated.The cabinet 1 is equipped with heat release hole 4 convenient for discharge heat.
In addition, the cabinet 1 is equipped with several line mouths 2, the line mouth 2 includes incoming line 2 and line outlet 2, is supplied respectively
Inlet wire cable, outlet cable use.
When cable branch wiring, lift the wiring clamp device 7 that connects together needed at wiring position first, by cable 6
9 sets of connecting terminal on corresponding insulated bolt 11 and be placed on conductive fulcrum, pull down the wiring fastening dress to connect together
7 are set, the wiring clamp device 7 for being placed with 9 top of connecting terminal is rotated into its wire connecting portion respectively, wiring clamp device 7 is depressed,
Conductive column 73 can correspond in insertion wiring hole 10, tighten tight lock part 75, remaining is not required to the wiring clamp device 7 at wiring position not
Its tight lock part 75 need to be tightened, i.e. completion wiring.
In conclusion being screwed to insulated bolt, while the conduction of wiring clamp device in wiring clamp device by being arranged
Column is inserted into the wiring hole of corresponding connecting terminal, is tightly pressing against connecting terminal, so that busbar, connecting terminal are reliably conductive
It is connected to and securely fixes, while being pressed while several wiring clamp devices by connecting together, then tighten respectively, can be convenient for
The branch connection of multi-cable line operates.The cable branch box convenient for wiring in above-described embodiment, easy-to-connect pass through simultaneously
The structure of locking latch, so that the connection of cable and busbar is more reliable, secured, that improves cable branch box branch distribution can
By property.
It is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although reference
Invention is explained in detail for previous embodiment, those skilled in the art should understand that: it still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the protection scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of cable branch box convenient for wiring, including cabinet, cable, busbar, wiring clamp device, it is equipped in cabinet
Bar beam, busbar are fixedly mounted in bar beam, and several cables pass through wiring clamp device respectively and are conductively connected
On each conductive fulcrum of busbar；It is characterized by: the cable be equipped with centre be provided with circular through hole it is disk-shaped, can
Conductive connecting terminal, radially distributed on the connecting terminal to have several wiring holes, the hole body of each wiring hole is big
The downward surface direction in the small upper surface from connecting terminal is gradually reduced, and the wiring clamp device includes main part, wire connecting portion, lock
Tight portion, the tight lock part are rotatably mounted to the top of main part, and the wire connecting portion is connected in the lower section of the main part, institute
Stating wire connecting portion includes the intermediate disk-shaped terminal plate of round tube hole and radially distributed, downwardly convex in the terminal plate bottom of being provided with
Several conductive columns being equipped with out, the conductive column one end that is connected from it with terminal plate are gradually received to far from one end of terminal plate
Narrow, also perforation ground is provided with circular hole vertically at the main part center, offered at the tight lock part center it is downward and with the circular hole
The threaded hole of connection, the round tube hole, circular hole, threaded hole are coaxially provided with, raised on each conductive fulcrum of the busbar
It is provided with insulated bolt, the side of the bar beam is equipped with the guide rod being vertically arranged, the main part of several wiring clamp devices
Successively connect in a row, centre distance and adjacent two eradications edge spiral shell between two neighboring wiring clamp device by connection sheet respectively
Centre distance between bolt is equal, and respectively conductive column angle is all consistent, and the connection sheet of outermost end is equipped with aperture, and
It is covered on the guide rod by the aperture, is additionally provided with positioning convex strip in the equivalent locations on each conduction fulcrum, it is described to connect
It is equipped with assorted positioning groove corresponding with the positioning convex strip in predetermined position on the lower surface of line terminals, the connecting terminal
Circular through hole covers to be placed on conductive fulcrum in insulated bolt other places, and positioning convex strip is inserted into positioning groove, the predetermined position
Enable set on the guide bar, the conductive column of wiring clamp device that connects together respectively correspondingly be inserted into wiring hole, institute
It states insulated bolt and sequentially passes through round tube hole, circular hole and be threadedly coupled and fasten with the tight lock part, the conductive column is inserted into wiring
Kong Zhong.
2. according to the cable branch box described in claim 1 convenient for wiring, it is characterised in that: the conductive column and wiring hole are with mistake
It is full of the mode grafting of cooperation.
3. the cable branch box according to claim 2 convenient for wiring, it is characterised in that: the conductive column and wiring hole
Cross sectional shape matches.
4. the cable branch box according to claim 3 convenient for wiring, it is characterised in that: the conductive column and wiring hole
Cross sectional shape is that fan is cyclic annular.
5. the cable branch box according to claim 1 convenient for wiring, it is characterised in that: the tight lock part, main part
Outside is insulating materials.
6. the cable branch box according to claim 1 convenient for wiring, it is characterised in that: the master of the wiring clamp device
It is flexible connection at the link position of body portion and connection sheet.
7. the cable branch box according to claim 1 convenient for wiring, it is characterised in that: the terminal plate is electric conductor.
8. the cable branch box according to claim 1 convenient for wiring, it is characterised in that: the cabinet includes to be opened/closed
Chamber door.
9. the cable branch box convenient for wiring according to claim 1, it is characterised in that: the cabinet, which is equipped with, to be dissipated
Hot hole.
10. any one of -9 cable branch box convenient for wiring according to claim 1, it is characterised in that: the case
Body is equipped with several line mouths, and the line mouth includes incoming line and line outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811072433.2A CN109462203B (en) | 2018-09-14 | 2018-09-14 | Cable branch box convenient to wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811072433.2A CN109462203B (en) | 2018-09-14 | 2018-09-14 | Cable branch box convenient to wiring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109462203A true CN109462203A (en) | 2019-03-12 |
| CN109462203B CN109462203B (en) | 2020-08-04 |
Family
ID=65606671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811072433.2A Active CN109462203B (en) | 2018-09-14 | 2018-09-14 | Cable branch box convenient to wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109462203B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952808A (en) * | 2020-09-10 | 2020-11-17 | 西南石油大学 | One advances three cable joint and quick plug adaptor box thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0802581A3 (en) * | 1996-04-16 | 1998-12-30 | Yamatake-Honeywell Co. Ltd. | Cable branch connector for electrically connecting multicore trunk cables and multicore branch cables with each other |
| EP1209768A2 (en) * | 2000-11-22 | 2002-05-29 | PHOENIX CONTACT GmbH & Co. Kg | Cable-connection or cable-joint device |
| CN2720664Y (en) * | 2004-07-09 | 2005-08-24 | 包秀松 | Automobile voice-box power amplification wiring terminal |
| CN203787586U (en) * | 2014-02-17 | 2014-08-20 | 无锡煤科电器有限公司 | Multicore-integrated wiring terminal for coal mines |
| CN205385258U (en) * | 2016-02-25 | 2016-07-13 | 国网山东省电力公司聊城供电公司 | Three -phase four -wire anti -electricity -stealing terminal box |
| CN207603135U (en) * | 2017-12-20 | 2018-07-10 | 广东电网有限责任公司阳江供电局 | Cable branch box Special grounding wire damp-proof device |
-
2018
- 2018-09-14 CN CN201811072433.2A patent/CN109462203B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0802581A3 (en) * | 1996-04-16 | 1998-12-30 | Yamatake-Honeywell Co. Ltd. | Cable branch connector for electrically connecting multicore trunk cables and multicore branch cables with each other |
| EP1209768A2 (en) * | 2000-11-22 | 2002-05-29 | PHOENIX CONTACT GmbH & Co. Kg | Cable-connection or cable-joint device |
| CN2720664Y (en) * | 2004-07-09 | 2005-08-24 | 包秀松 | Automobile voice-box power amplification wiring terminal |
| CN203787586U (en) * | 2014-02-17 | 2014-08-20 | 无锡煤科电器有限公司 | Multicore-integrated wiring terminal for coal mines |
| CN205385258U (en) * | 2016-02-25 | 2016-07-13 | 国网山东省电力公司聊城供电公司 | Three -phase four -wire anti -electricity -stealing terminal box |
| CN207603135U (en) * | 2017-12-20 | 2018-07-10 | 广东电网有限责任公司阳江供电局 | Cable branch box Special grounding wire damp-proof device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952808A (en) * | 2020-09-10 | 2020-11-17 | 西南石油大学 | One advances three cable joint and quick plug adaptor box thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109462203B (en) | 2020-08-04 |
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