CN110444923B - Combined copper bar - Google Patents
Combined copper bar Download PDFInfo
- Publication number
- CN110444923B CN110444923B CN201910610082.4A CN201910610082A CN110444923B CN 110444923 B CN110444923 B CN 110444923B CN 201910610082 A CN201910610082 A CN 201910610082A CN 110444923 B CN110444923 B CN 110444923B
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- Prior art keywords
- conductor
- copper bar
- connecting block
- conductors
- wiring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/023—Soldered or welded connections between cables or wires and terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
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- Patch Boards (AREA)
Abstract
The invention discloses a combined copper bar, and belongs to the field of copper bars. The combined copper bar comprises: at least three conductor, adjustable interval coupling mechanism and a plurality of wiring mechanism, at least three conductor passes through adjustable interval coupling mechanism interval distribution, the conductor is U type copper sheet, each the opening direction of conductor is unanimous, adjustable interval coupling mechanism includes at least three connecting block, the quantity of connecting block with the quantity phase-match of conductor, the connecting block is fixed in the first end of corresponding conductor, adjacent two the connecting block passes through adjusting bolt threaded connection, wiring mechanism's quantity with the quantity phase-match of conductor, the first end of conductor is equipped with corresponding wiring mechanism, and is same in the conductor wiring mechanism is located the connecting block with between the tip of first end, the second end of conductor is used for connecting electric elements's contact.
Description
Technical Field
The invention relates to the field of copper bars, in particular to a combined copper bar.
Background
At present, an element for carrying a main circuit current in an electric control cabinet is generally a three-phase contactor or a three-phase circuit breaker. In practical application, because of different manufacturers, different models and different specifications, and the difference of the distances between two adjacent phases in different three-phase electric elements, a wiring terminal is generally adopted or a copper bar is independently manufactured for each phase to lead out the wiring in the three-phase electric elements.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems: the wiring terminal is adopted for wiring, and a bending space is reserved for the outgoing cable, so that the waste of the space in the electric control cabinet is difficult to avoid, and the extension of the construction time is difficult to avoid when each copper bar is independently manufactured.
Disclosure of Invention
The embodiment of the invention provides a combined copper bar, which can save the space in an electric control cabinet and improve the installation efficiency. The technical scheme is as follows:
the invention provides a combined copper bar, which comprises: at least three conductor, adjustable interval coupling mechanism and a plurality of wiring mechanism, at least three conductor passes through adjustable interval coupling mechanism interval distribution, the conductor is U type copper sheet, each the opening direction of conductor is unanimous, adjustable interval coupling mechanism includes at least three connecting block, the quantity of connecting block with the quantity phase-match of conductor, the connecting block is fixed in the first end of corresponding conductor, adjacent two the connecting block passes through adjusting bolt threaded connection, wiring mechanism's quantity with the quantity phase-match of conductor, the first end of conductor is equipped with corresponding wiring mechanism, and is same in the conductor wiring mechanism is located the connecting block with between the tip of first end, the second end of conductor is used for connecting electric elements's contact.
Optionally, the first end of conductor is equipped with wire storage groove and wire outgoing slot, the wire storage groove with the wire outgoing slot intercommunication, the wire outgoing slot with the tip intercommunication of the first end of conductor, wiring mechanism includes first cable and apron, the one end of first cable is used for the welding on the inner wall of corresponding wire outgoing slot, the other end of first cable is used for passing store in corresponding wire storage groove behind the corresponding wire outgoing slot, the apron is used for covering corresponding wire outgoing slot with on the corresponding wire storage groove.
Optionally, the end of the first end of the conductor is provided with a concave station, the wiring mechanism comprises a pressing plate and a second cable, the pressing plate is matched with the corresponding concave station and detachably mounted on the corresponding concave station, and one end of the second cable is clamped between the corresponding pressing plate and the corresponding concave station.
Optionally, the pressure plate is detachably mounted on the corresponding recessed table by means of a compression bolt.
Optionally, the wiring mechanism is a wiring terminal.
Optionally, in the at least three conductors, the connecting block on the conductor at the central position is connected with two adjacent connecting blocks through a stud bolt, and the connecting block on the conductor at the edge position is connected with the adjacent connecting block through a single-headed bolt.
Optionally, the connection blocks are secured to the first ends of the respective conductors by connection screws.
Optionally, the connection block is made of an insulating material.
Optionally, the connecting block is made of polytetrafluoroethylene.
Optionally, the number of conductors is 3.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the at least three conductors are connected at intervals through the adjustable-interval connecting mechanism, the adjustable-interval connecting mechanism comprises at least three connecting blocks, the connecting blocks are fixed at the first ends of the corresponding conductors, and because two adjacent connecting blocks are connected through adjusting bolts in a threaded manner, the interval between the two adjacent connecting blocks can be changed by rotating one of the two adjacent connecting blocks, so that the interval between the two adjacent conductors can be adjusted, and the combined copper bar can adapt to multi-phase contactors or multi-phase circuit breakers with different intervals; meanwhile, the second end of the conductor is connected with a contact of a multi-phase contactor or a multi-phase circuit breaker, the first end of the conductor is provided with a wiring mechanism, wiring of the multi-phase contactor or the multi-phase circuit breaker can be led out, wiring of a wiring terminal or a copper bar manufactured independently in each phase to lead out a three-phase electric element is avoided, space in an electric control cabinet is saved, and installation efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1-3 are three views of a combined copper bar according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIGS. 5-7 are schematic views of a wire connection mechanism provided by an embodiment of the present invention.
In the drawing, 1 conductor, 2 adjustable-distance connecting mechanisms, 3 wiring mechanisms, 21 connecting blocks, 22 adjusting bolts, 23 connecting screws, 11 storage wire grooves, 12 wire outlet grooves, 13 transition grooves, 31 first cables, 32 cover plates, 33 concave tables, 34 pressing plates, 35 second cables and 36 pressing bolts are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 to fig. 3 are three views of a combined copper bar according to an embodiment of the present invention, where the combined copper bar includes: at least three conductors 1, an adjustable-pitch connection mechanism 2 and a plurality of connection mechanisms 3. Taking three conductors 1 as an example, referring to fig. 1-3, at least three conductors 1 are distributed at intervals through an adjustable-pitch connecting mechanism 2, the conductors 1 are U-shaped copper sheets, and the opening directions of the conductors 1 are consistent. The adjustable-interval connecting mechanism 2 comprises at least three connecting blocks 21, the number of the connecting blocks 21 is matched with that of the conductors 1, the connecting blocks 21 are fixed at the first ends of the corresponding conductors 1, and two adjacent connecting blocks 21 are in threaded connection through adjusting bolts 22. The number of the wiring mechanisms 3 is matched with that of the conductors 1, the first ends of the conductors 1 are provided with the corresponding wiring mechanisms 3, the wiring mechanisms 3 in the same conductors 1 are positioned between the connecting blocks 21 and the end parts of the first ends, and the second ends of the conductors 1 are used for connecting contacts of electric elements.
In the embodiment of the invention, at least three conductors 1 are connected at intervals through an adjustable-interval connecting mechanism 2, the adjustable-interval connecting mechanism 2 comprises at least three connecting blocks 21, the connecting blocks 21 are fixed at the first ends of the corresponding conductors 1, and as two adjacent connecting blocks 21 are in threaded connection through an adjusting bolt 22, the interval between two adjacent connecting blocks 21 can be changed by rotating one connecting block 21 of the two adjacent connecting blocks 21, so that the interval between two adjacent conductors 1 can be adjusted, and the combined copper bar can adapt to multi-phase contactors or multi-phase circuit breakers with different intervals; simultaneously, the second end of conductor 1 is connected the contact of multiphase contactor or multiphase circuit breaker, and the first end of conductor 1 is equipped with wiring mechanism 3, can draw forth the wiring of multiphase contactor or multiphase circuit breaker, avoids binding post or every looks preparation copper bar alone to draw forth the wiring in the three-phase electrical element, saves the space in the automatically controlled cabinet and improves the installation effectiveness.
Illustratively, of the at least three conductors 1, the connection block 21 on the conductor 1 at the center position is connected with two adjacent connection blocks 21 by a stud bolt, and the connection block 21 on the conductor 1 at the edge position is connected with the adjacent connection block 21 by a single-headed bolt.
Illustratively, a plurality of copper bars can be additionally configured by changing the bolt type (for example, changing part of the adjusting bolts 22 into double-ended studs), so that the circuit expansion function is realized, a plurality of paths of wires can be simultaneously wired, and the working efficiency is improved. Preferably, the number of conductors 1 is 3 and the number of connection blocks 21 is 3.
In which, each connecting block 21 is provided with a through-thread hole, and taking three connecting blocks 21 as an example, referring to fig. 4, after passing through the threaded hole of the left connecting block 21, an adjusting bolt 22 (single-headed bolt) is screwed into the threaded hole of the middle connecting block 21 at a certain interval to connect the left connecting block 21 and the middle connecting block 21. Another adjusting bolt 22 (single-head bolt) passes through the threaded hole of the right connecting block 21 and then is screwed into the threaded hole of the middle connecting block 21 at certain intervals to connect the right connecting block 21 and the middle connecting block 21. Thus, the three connection blocks 21 are connected together. When the inter-phase spacing of copper bars needs to be adjusted, the left connecting block 21 or the right connecting block 21 is rotated, the position of the left connecting block 21 or the right connecting block 21 on the adjusting bolt 22 moves, and the spacing between the left connecting block 21 or the right connecting block 21 and the middle connecting block 21 changes accordingly, so that the spacing between the copper bars is adjusted. The adjustable-interval connecting mechanism 2 is simple in structure and convenient to use; the spacing between each way of copper bar is adjusted to accessible rotation regulation bolt 22, can satisfy the demand of the three-phase wiring of different specification model components, can realize standardized production, has improved work efficiency.
Referring to fig. 2, the connection block 21 is fixed to the first end of the corresponding conductor 1 by a connection screw 23.
Illustratively, the connecting block 21 is made of an insulating material.
For this reason, the material of the connecting block 21 is, for example, teflon.
When the combined copper bar is additionally provided with wiring holes after being installed in the electric control cabinet, the copper scraps generated by drilling holes are difficult to avoid falling and risks are generated on other elements in the cabinet. Based on this, the embodiment of the present invention provides the wiring mechanism 3 of three structures.
Referring to fig. 5, in the first structure, a first end of a conductor 1 is provided with a wire storage groove 11 and a wire outlet groove 12, the wire storage groove 11 is communicated with the wire outlet groove 12, the wire outlet groove 12 is communicated with an end portion of the first end of the conductor 1, the wiring mechanism 3 includes a first cable 31 and a cover plate 32 (the cover plate 32 is in an uncovered state in fig. 5), one end of the first cable 31 is used for being welded on an inner wall of the corresponding wire outlet groove 12, the other end of the first cable 31 is used for being stored in the corresponding wire storage groove 11 after passing through the corresponding wire outlet groove 12, and the cover plate 32 is used for covering the corresponding wire outlet groove 12 and the corresponding wire storage groove 11.
The storage tank 11 may communicate with the outlet tank 12 through a transition tank 13. The first cable 31 can be soldered on the inner wall of the corresponding outlet groove 12, and then reaches the storage groove 11 through the transition groove 13 on the conductor 1 and is coiled and stored in the area, the groove on the surface of the conductor 1, the storage area and the coiled first cable 31 are all covered under the cover plate 32 for protection, and the cover plate 32 and the conductor 1 can be fixed by bolts.
When the first cable 31 needs to be used, the cover plate 32 is opened, the coiled first cable 31 is untied and led out through the wire outlet groove 12, and the function of increasing the external connection wires of the busbar can be realized.
The requirement of potential increase of wiring is met by preassembling the cable; the structure is simple, and the use is convenient; the bus bar can still maintain a flat plate shape in a cable storage state, is consistent with the appearance of a conventional bus bar, and has interchangeability.
Referring to fig. 6, in the second structure, the end of the first end of the conductor 1 is provided with a concave 33, the connection mechanism 3 includes a pressing plate 34 and a second cable 35, the pressing plate 34 is matched with the corresponding concave 33 and is detachably mounted on the corresponding concave 33, and one end of the second cable 35 is clamped between the corresponding pressing plate 34 and the corresponding concave 33.
Illustratively, the pressure plates 34 are removably mounted on the respective recessed lands 33 by compression bolts 36. The end of the external cable uses a crimping type terminal, so that the terminal can be placed under the pressing block, and then the pressing bolt 36 on the pressing block is screwed, so that the crimping type connection of the external cable and the conductor 1 can be realized. Therefore, the drilling construction process can be reduced through the compression joint blocks, and the requirement of potential wiring increase is met; the structure is simple, and the use is convenient; the bus bar can still maintain a flat plate shape in a cable storage state, is consistent with the appearance of a conventional bus bar, and has interchangeability.
Referring to fig. 7, in a third configuration, the wiring mechanism 3 is a wiring terminal. The external cable can be connected with the binding post.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a combination copper bar which characterized in that, combination copper bar includes: the adjustable-distance connecting structure comprises at least three conductors (1), an adjustable-distance connecting mechanism (2) and a plurality of wiring mechanisms (3), wherein the at least three conductors (1) are distributed at intervals through the adjustable-distance connecting mechanism (2), the conductors (1) are U-shaped copper sheets, the opening directions of the conductors (1) are consistent, the adjustable-distance connecting mechanism (2) comprises at least three connecting blocks (21), the number of the connecting blocks (21) is matched with that of the conductors (1), the connecting blocks (21) are fixed at the first ends of the corresponding conductors (1), each connecting block (21) is provided with a thread through hole, the thread through holes of each connecting block (21) are coaxially arranged, every two adjacent connecting blocks (21) are in threaded connection through adjusting bolts (22), and the adjusting bolts (22) are screwed into the thread through holes of the two adjacent connecting blocks (21), connect adjacent two connecting block (21), the quantity of wiring mechanism (3) with the quantity phase-match of conductor (1), the first end of conductor (1) is equipped with corresponding wiring mechanism (3), and is same in conductor (1) wiring mechanism (3) are located connecting block (21) with between the tip of first end, the second end of conductor (1) is used for connecting electrical component's contact.
2. The composite copper bar as claimed in claim 1, wherein the first end of the conductor (1) is provided with a wire storage groove (11) and a wire outlet groove (12), the wire storage groove (11) is communicated with the wire outlet groove (12), the wire outlet groove (12) is communicated with the end of the first end of the conductor (1), the wiring mechanism (3) comprises a first cable (31) and a cover plate (32), one end of the first cable (31) is used for being welded on the inner wall of the corresponding wire outlet groove (12), the other end of the first cable (31) is used for being stored in the corresponding wire storage groove (11) after passing through the corresponding wire outlet groove (12), and the cover plate (32) is used for covering the corresponding wire outlet groove (12) and the corresponding wire storage groove (11).
3. The combined copper bar according to claim 1, wherein the end of the first end of the conductor (1) is provided with a concave platform (33), the wiring mechanism (3) comprises a pressing plate (34) and a second cable (35), the pressing plate (34) is matched with the corresponding concave platform (33) and is detachably mounted on the corresponding concave platform (33), and one end of the second cable (35) is clamped between the corresponding pressing plate (34) and the corresponding concave platform (33).
4. -composed copper bar according to claim 3, characterized in that said pressure plate (34) is removably mounted on said respective concave (33) by means of a pressure bolt (36).
5. The combined copper bar as claimed in claim 1, wherein the wiring mechanism (3) is a wiring terminal.
6. The composite copper bar according to any one of claims 1 to 5, wherein the connecting blocks (21) on the conductor (1) at the center position are connected with two adjacent connecting blocks (21) through double-headed bolts, and the connecting blocks (21) on the conductor (1) at the edge position are connected with the adjacent connecting blocks (21) through single-headed bolts.
7. Combined copper bar according to any one of claims 1 to 5, characterised in that the connection block (21) is fixed to the first end of the corresponding conductor (1) by means of a connection screw (23).
8. The composite copper bar as claimed in any one of claims 1 to 5, wherein the connecting block (21) is made of an insulating material.
9. The combined copper bar as claimed in claim 8, wherein the connecting block (21) is made of teflon.
10. The composite copper bar according to any one of claims 1 to 5, wherein the number of the conductors (1) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610082.4A CN110444923B (en) | 2019-07-08 | 2019-07-08 | Combined copper bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610082.4A CN110444923B (en) | 2019-07-08 | 2019-07-08 | Combined copper bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110444923A CN110444923A (en) | 2019-11-12 |
| CN110444923B true CN110444923B (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910610082.4A Active CN110444923B (en) | 2019-07-08 | 2019-07-08 | Combined copper bar |
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| CN (1) | CN110444923B (en) |
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| CN1126896A (en) * | 1995-10-18 | 1996-07-17 | 孔庆华 | Combined box-less bus-bar system |
| CN2468199Y (en) * | 2001-02-13 | 2001-12-26 | 珠海经济特区光乐电控设备厂 | Combined bus groove |
| CN2671190Y (en) * | 2003-12-09 | 2005-01-12 | 吉林市丰源电器有限责任公司 | Assembled aluminium alloy bus groove |
| CN2696198Y (en) * | 2004-04-06 | 2005-04-27 | 谢步明 | Combined compound bus |
| CN101309000A (en) * | 2008-06-24 | 2008-11-19 | 江苏希格赛斯电气有限公司 | Bus-bar unit connecting device |
| CN201584726U (en) * | 2009-12-09 | 2010-09-15 | 上海中发电气（集团）股份有限公司 | Combined bus clip |
| CN201777723U (en) * | 2010-09-07 | 2011-03-30 | 天津瑞林异型铜排电气有限公司 | Rewinding machine for soft bars |
| CN202373859U (en) * | 2011-12-26 | 2012-08-08 | 湖北世纪森源电气有限公司 | Modular combination zero earth bar of distribution box |
| CN202443770U (en) * | 2012-02-13 | 2012-09-19 | 铜陵吉鑫电气有限责任公司 | Stepped combined copper bar |
| CN202748507U (en) * | 2012-08-01 | 2013-02-20 | 宁波雅诺丹电气有限公司 | Wall mounting type inserting-piece four-groove optical fiber distribution box |
| CN202957349U (en) * | 2012-12-02 | 2013-05-29 | 高锡缘 | Copper bar crimp connection device |
| CN203277986U (en) * | 2013-06-08 | 2013-11-06 | 艾默生网络能源有限公司 | Cabinet and copper bar coupling assembly thereof |
| CN203649016U (en) * | 2014-01-03 | 2014-06-18 | 江西广信铜业有限公司 | Automatic drawing machine for specially-shaped copper bar |
| CN203721453U (en) * | 2014-02-18 | 2014-07-16 | 云南通变电器有限公司 | Heavy-current copper bar dense combined structure for transformer |
| CN204205263U (en) * | 2014-09-30 | 2015-03-11 | 宁波胜克换向器有限公司 | A kind of high-power copper bar rewinding machine |
| CN204118482U (en) * | 2014-11-01 | 2015-01-21 | 江苏华通电气科技有限公司 | A kind of low voltage draw-out switchgear |
| CN104444616A (en) * | 2014-11-20 | 2015-03-25 | 国网河南鄢陵县供电公司 | Large cable paying-off, taking-up and testing device |
| CN204251094U (en) * | 2014-11-20 | 2015-04-08 | 国网河南鄢陵县供电公司 | Large-sized cable puts take-up and proving installation |
| CN204315931U (en) * | 2014-12-30 | 2015-05-06 | 北京陆平电气有限公司 | Low voltage switchgear and bus clip thereof |
| CN104715870A (en) * | 2015-04-02 | 2015-06-17 | 苏州华源电气有限公司 | Pipeline transition bending copper bar |
| CN204681027U (en) * | 2015-04-24 | 2015-09-30 | 长征电气集团股份有限公司 | A kind of bus duct splicer |
| CN205248645U (en) * | 2015-12-10 | 2016-05-18 | 中冶南方（武汉）自动化有限公司 | Special high voltage distributor box of electric automobile |
| CN205501445U (en) * | 2016-04-06 | 2016-08-24 | 龙游运申制版有限公司 | Copper facing equipment |
| CN205944457U (en) * | 2016-08-10 | 2017-02-08 | 苏州开关二厂有限公司 | Modular bus connector |
| CN206412311U (en) * | 2016-12-28 | 2017-08-15 | 上海中电罗莱电气股份有限公司 | High power combination formula fuse |
| CN206546947U (en) * | 2017-01-22 | 2017-10-10 | 易霸科技(威海)股份有限公司 | A kind of L-type copper bar formula bus plugs distributor cap |
| CN206774838U (en) * | 2017-05-22 | 2017-12-19 | 天津市明新电子有限公司 | One kind winding shrinkage type electric automobile connecting line |
| CN207536911U (en) * | 2017-08-07 | 2018-06-26 | 江西广信新材料股份有限公司 | The close bus cable device of non-conventional copper bar |
| CN109462050A (en) * | 2018-11-30 | 2019-03-12 | 王赛 | A kind of spliced copper bar |
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