CN111641056B - Tubular bus bar connecting device - Google Patents
Tubular bus bar connecting device Download PDFInfo
- Publication number
- CN111641056B CN111641056B CN202010418522.9A CN202010418522A CN111641056B CN 111641056 B CN111641056 B CN 111641056B CN 202010418522 A CN202010418522 A CN 202010418522A CN 111641056 B CN111641056 B CN 111641056B
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- hole
- sleeve
- plate
- screwing
- screwing plate
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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
- H01R11/01—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 form or arrangement of the conductive interconnection between the connecting locations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
- H01R11/09—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 being identical
-
- 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
- H01R4/56—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 one conductor screwing into another
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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
- H01R4/58—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 characterised by the form or material of the contacting members
- H01R4/60—Connections between or with tubular conductors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A tubular bus connecting device relates to a tubular bus end connecting device, in particular to a tubular bus connecting device capable of increasing the contact area. Two partition plates are arranged in the cavity of the outer sleeve, a central through hole is formed in the center of each partition plate, and a plurality of connecting through holes are formed in the periphery of each partition plate; a connecting sleeve is arranged in a cavity between the two partition plates of the outer sleeve, two ends of the connecting sleeve are respectively connected with the first screwing plate, the central position of the first screwing plate is connected with one end of a rotating shaft, one end of the threaded sleeve is provided with a plurality of connecting rods, the rotating shaft is fixedly matched with a gear hole of a sun gear, the outer end of the second screwing plate is fixedly connected with a gear ring, a gear hole of the planetary gear is rotatably connected with the rotating shaft, the sun gear is externally meshed with the planetary gear, and the planetary gear is internally meshed with the gear ring; by rotating the locking ring, the locking ring drives the external thread of the threaded sleeve to cling to the internal thread of the cavity of the tubular bus through the limiting ring, so that the contact area between the threaded sleeve and the tubular bus is increased.
Description
Technical Field
The invention relates to a tubular bus terminal connecting device, in particular to a tubular bus connecting device capable of increasing the contact area.
Background
The tubular bus is a bus product with copper pipe or aluminum alloy pipe as conductor and coated externally with insulation. It has the characteristics of large current, high mechanical strength, good insulation, wide application range and the like. However, in the installation process, since the tubular bus bar has a limited length and two tubular bus bars need to be connected, the terminal connecting device for connecting the tubular bus bars is an important cable component, and in the existing terminal connecting devices for tubular bus bars, the following three connection modes are provided:
firstly, the end of a tubular bus is flattened into a flat shape, and then the end of the tubular bus is connected with other buses by using lapping plates and bolts, and the flattening mode often causes the phenomena of uneven flat surface, cracking of flat side edges and the like, so that the effective lapping surface is insufficient, the demand of current-carrying capacity cannot be met, and the problems of heating at a joint, large local discharge capacity and the like are caused;
secondly, a connecting mode is built in, a connecting pipe with the same outer diameter as the inner diameter of the tubular bus is inserted into two ends of the bus, and the end part of the bus is axially slotted, so that the bus is connected and current is transmitted;
the external connection mode, the connecting pipe comprises two symmetrical semi-circles, has engaging lug and screw hole, and the internal diameter is unanimous with tubular generating line external diameter, connects through with two generating lines butt joint with connecting pipe and bolt clamp fixed mode, because the outstanding generating line of engaging lug can lead to the electric field inhomogeneous, causes the electric field stress concentration of here easily and takes place the breakdown phenomenon.
Disclosure of Invention
The invention aims to provide a tubular bus connecting device aiming at the defects of the prior art, so as to achieve the purpose of quickly connecting tubular buses.
The invention provides a tubular bus connecting device, which is characterized in that: the device comprises an outer sleeve, a threaded sleeve, a connecting rod, a first screwing plate and a second screwing plate; two partition plates are arranged in the cavity of the outer sleeve, a central through hole is formed in the center of each partition plate, and a plurality of connecting through holes are formed in the periphery of each partition plate; a connecting sleeve is arranged in a cavity between the two partition plates of the outer sleeve, two ends of the connecting sleeve are respectively connected with the first screwing plate, the center position of the first screwing plate is connected with one end of the rotating shaft, and the other end of the rotating shaft is respectively connected with the second screwing plate and the center through hole of the partition plate in a rotating manner; the first screwing plate and the second screwing plate are respectively provided with a plurality of circular arc through holes, the aperture of one end of each circular arc through hole is slightly larger than that of the other end of each circular arc through hole, the circular arc through holes on the first screwing plate and the second screwing plate are oppositely and correspondingly arranged, and one ends of the large apertures of the circular arc through holes of the first screwing plate and the second screwing plate are coaxially arranged with the connecting through hole of the partition plate; a plurality of connecting rods are mounted at one end of each threaded sleeve, and the connecting rods on the two threaded sleeves respectively penetrate through the connecting through holes in the partition plate, the second screwing plate and one end of the large aperture of the circular arc through hole of the first screwing plate in sequence; the rotating shaft is fixedly matched with a gear hole of the sun gear, the inner end of the partition plate is provided with a plurality of rotating shafts, the outer end of the second screwing plate is fixedly connected with the gear ring, the gear hole of the planet gear is rotatably connected with the rotating shafts, the sun gear is externally meshed with the planet gear, and the planet gear is internally meshed with the gear ring; the wall of the connecting sleeve is provided with a threaded through hole, the outer wall of the outer sleeve is provided with an arc-shaped through hole, and the threaded through hole of the connecting sleeve corresponds to the arc-shaped through hole in the outer sleeve; the outer end of the threaded sleeve is provided with external threads, and the threaded sleeve is in threaded connection with the tubular bus.
The rotating shaft is respectively connected with the second screwing plate and the central through hole of the partition plate in a rotating mode, a bearing is arranged in the central through hole of the partition plate and the central through hole of the second screwing plate, and the rotating shaft is fixedly connected with the inner ring of the bearing.
And one end of the operating lever provided with the external thread penetrates through the arc-shaped through hole in the outer sleeve to be in threaded connection with the threaded through hole in the connecting sleeve.
Compared with the prior art, the invention has the following outstanding beneficial effects:
1. the device is connected with the tubular bus through the threaded sleeve, the connecting rod is clamped by rotating the first screwing plate and the second screwing plate, and the two threaded sleeves are connected, so that the two tubular buses are quickly connected;
2. the inner end of the threaded sleeve of the device is sleeved with the locking ring, and the locking ring drives the external thread of the threaded sleeve to be tightly attached to the internal thread of the cavity of the tubular bus through the limiting ring by rotating the locking ring, so that the contact area between the threaded sleeve and the tubular bus is increased.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a sectional view of a portion a-a in fig. 1.
Fig. 3 is a sectional view of a portion B-B in fig. 1.
Fig. 4 is a sectional view of the first screwing plate and the second screwing plate portion.
Fig. 5 is a cross-sectional view of a threaded sleeve portion.
Figure 6 is a cross-sectional view of a portion of the outer sleeve.
FIG. 7 is a schematic view of the assembly of the present invention with a tubular bus bar.
Fig. 8 is a schematic view of the construction of the connecting sleeve portion.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
As shown in fig. 1 to 3, the present invention includes an outer sleeve 4, a threaded sleeve 1, a connecting sleeve 7, a connecting rod 14, a first tightening plate 8, and a second tightening plate 9.
As shown in fig. 4, 6 and 8, two partition plates 6 are installed in the cavity of the outer sleeve 4, the two partition plates 6 are symmetrically distributed with the central plane of the outer sleeve 4 as a symmetrical plane, a central through hole is arranged at the central position of the partition plate 6, and a plurality of connecting through holes which are uniformly distributed in a circumferential shape are arranged at the peripheral positions. A connecting sleeve 7 is arranged in a cavity between the two partition plates 6 of the outer sleeve 4, two ends of the connecting sleeve 7 are fixedly connected with a first screwing plate 8 respectively, the central position of the first screwing plate 8 is fixedly connected with one end of a rotating shaft 10, the other end of the rotating shaft 10 is rotatably connected with a central through hole of a second screwing plate 9 and the partition plates 6 respectively, and the rotating connection mode is as follows: and bearings are arranged in central through holes of the partition plate 6 and the second screwing plate 9, and the rotating shaft 10 is fixedly connected with an inner ring of the bearing. The first screwing plate 8 and the second screwing plate 9 are respectively provided with a plurality of circular arc-shaped through holes, the aperture of one end of each circular arc-shaped through hole is slightly larger than that of the other end of each circular arc-shaped through hole, one end of the large aperture of each circular arc-shaped through hole corresponds to the connecting through hole of the partition plate 6, the circular arc-shaped through holes in the first screwing plate 8 and the second screwing plate 9 are oppositely and correspondingly arranged, and one ends of the large apertures of the circular arc-shaped through holes in the first screwing plate 8 and the second.
As shown in fig. 5, a plurality of connecting rods 14 which are uniformly arranged in a circumferential manner are installed at one end of each threaded sleeve 1, the connecting rods 14 correspond to the connecting through holes of the partition plate 6, the connecting rods 14 on the two threaded sleeves 1 respectively and sequentially penetrate through the connecting through holes of the partition plate 6, the second screwing plate 9 and one end of the first screwing plate 8 with the large aperture of the circular arc-shaped through hole, the aperture of one end of the circular arc-shaped through hole is slightly larger than the diameter of the connecting rod 14, and the aperture of the other end of the circular arc-shaped through.
The rotating shaft 10 is fixedly matched with a gear hole of a sun gear 13, the inner end of the partition plate 6 is provided with a plurality of rotating shafts which are uniformly arranged in a circumferential shape, the outer end of the second screwing plate 9 is fixedly connected with a gear ring 12, a gear hole of a planetary gear 11 is rotatably connected with the rotating shafts, the sun gear 13 is externally meshed with the planetary gear 11, and the planetary gear 11 is internally meshed with the gear ring 12.
The wall of the connecting sleeve 7 is provided with two symmetrically distributed thread through holes, the outer wall of the outer sleeve 4 is provided with two symmetrically distributed arc through holes, the thread through holes of the connecting sleeve 7 correspond to the arc through holes in the outer sleeve 4, one end of the operating rod 3 is provided with external threads, and one end of the operating rod 3 provided with the external threads penetrates through the arc through holes in the outer sleeve 4 to be in threaded connection with the thread through holes in the connecting sleeve 7. When the connecting sleeve 7 is rotated through the operating rod 3, the connecting sleeve 7 drives the first screwing plate 8 to rotate, so that one end, with the aperture slightly smaller than the diameter of the connecting rod 14, of the circular arc-shaped through hole in the first screwing plate 8 rotates to the position of the connecting rod 14, and the connecting rod 14 is tightly clamped by the first screwing plate 8. First board 8 of screwing is at the rotation in-process, drive sun gear 13 through axis of rotation 10 and rotate, sun gear 13 drives planetary gear 11 and rotates, planetary gear 11 drives ring gear 12 and rotates, ring gear 12 drives the second board 9 of screwing reverse rotation, the one end that makes the second screw the circular arc through-hole aperture on the board 9 slightly be less than the diameter of connecting rod 14 rotates the position to connecting rod 14, thereby make connecting rod 14 fix promptly on first board 8 of screwing and the second board 9 of screwing, can increase the area of contact of threaded sleeve 1 and connecting sleeve 7 again. Because the arc-shaped through holes on the first screwing plate 8 and the second screwing plate 9 are oppositely and correspondingly arranged and the rotating directions are opposite, in the rotating process, the force applied by the first screwing plate 8 and the second screwing plate 9 to the connecting rod 14 is opposite in direction, so that the connecting rod 14 is prevented from being bent due to unidirectional stress.
As shown in fig. 7, the outer end of the threaded sleeve 1 is provided with an external thread, the inner end of the threaded sleeve 1 is provided with a limiting ring 5, the inner end of the threaded sleeve 1 is sleeved with a locking ring 2, the locking ring 2 is positioned at the inner end of the limiting ring 5, the outer surface of the locking ring 2 is provided with an external thread, the external thread of the threaded sleeve 1 is opposite to the external thread of the locking ring 2 in rotation direction, two sections of internal threads are arranged in the cavity at the end of the tubular bus 15, one section of internal thread of the tubular bus 15 close to the end is in threaded connection with the locking ring 2, the other section of thread of the tubular bus 15 is in threaded connection with the external thread of the threaded sleeve 1, and the locking ring 2 is.
In this embodiment, the external thread of the threaded sleeve 1 and the internal thread of the tubular bus 15 matched with the external thread of the threaded sleeve are saw-tooth threads, and the inclined surface of the external thread of the threaded sleeve 1 can be pressed against the inclined surface of the tubular bus 15 by rotating the locking ring 2, so that the contact area between the external thread of the threaded sleeve 1 and the internal thread of the tubular bus 15 can be increased.
The outer sleeve 4, the threaded sleeve 1, the connecting sleeve 7, the connecting rod 14, the first screwing plate 8 and the second screwing plate 9 are all made of conductor material, in this embodiment, the above parts are made of copper material.
In this embodiment, the sun gear 13, the planet gears 11 and the ring gear 12 are made of bakelite, so that the sun gear 13, the planet gears 11 and the ring gear 12 can be prevented from being damaged due to electric arcs formed during the electrifying process of the tubular bus 15.
The end face of the locking ring 2 is provided with a plurality of blind holes.
The operation flow is as follows: when the device is used, firstly, the two threaded sleeves 1 are respectively in threaded connection with the two tubular buses 15, then the locking ring 2 is in threaded connection with the internal threads of the tubular buses 15 at the end sections, the locking ring 2 is screwed, and the external threads of the threaded sleeves 1 are tightly attached to the internal threads of the cavities of the tubular buses 15. Connecting rods 14 at the inner ends of the two threaded sleeves 1 respectively penetrate through connecting through holes in the partition plate 6 in sequence, the second screwed plate 9 and the arc-shaped through hole of the first screwed plate 8 are screwed, the inner end of the threaded sleeve 1 is enabled to be propped against the partition plate 6 of the outer sleeve 4, one end, provided with external threads, of the operating rod 3 penetrates through the arc-shaped through hole in the outer sleeve 4 and is in threaded connection with the thread through hole in the connecting sleeve 7, when the operating rod 3 is rotationally connected with the sleeve 7, the connecting sleeve 7 drives the first screwed plate 8 to rotate, the hole diameter of the arc-shaped through hole in the first screwed plate 8 is slightly smaller than the diameter of the connecting rod 14, and the connecting rod 14 is rotated to the position, so. First board 8 of screwing drives sun gear 13 through axis of rotation 10 and rotates at the rotation in-process, and sun gear 13 drives planetary gear 11 and rotates, and planetary gear 11 drives ring gear 12 and rotates, and ring gear 12 drives the second board 9 of screwing and counter-rotating, makes the second screw the one end rotation to connecting rod 14's position of the circular arc through-hole aperture slightly less than the diameter of connecting rod 14 on the board 9 to make first board 8 of screwing and second screw board 9 with connecting rod 14 chucking.
It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.
Claims (3)
1. A tubular busbar connection assembly, comprising: comprises an outer sleeve (4), a threaded sleeve (1), a connecting sleeve (7), a connecting rod (14), a first screwing plate (8) and a second screwing plate (9); two partition plates (6) are arranged in the cavity of the outer sleeve (4), a central through hole is formed in the center of each partition plate (6), and a plurality of connecting through holes are formed in the periphery of each partition plate; a connecting sleeve (7) is arranged in a cavity between the two partition plates (6) of the outer sleeve (4), two ends of the connecting sleeve (7) are respectively connected with a first screwing plate (8), the center position of the first screwing plate (8) is connected with one end of a rotating shaft (10), and the other end of the rotating shaft (10) is respectively connected with a second screwing plate (9) and a center through hole of the partition plate (6) in a rotating manner; a plurality of circular arc through holes are respectively formed in the first screwing plate (8) and the second screwing plate (9), the aperture of one end of each circular arc through hole is slightly larger than that of the other end of each circular arc through hole, the circular arc through holes in the first screwing plate (8) and the second screwing plate (9) are oppositely and correspondingly arranged, and one end of the large aperture of the circular arc through holes in the first screwing plate (8) and the second screwing plate (9) is coaxially arranged with the connecting through hole of the partition plate (6); a plurality of connecting rods (14) are mounted at one end of each threaded sleeve (1), and the connecting rods (14) on the two threaded sleeves (1) respectively penetrate through the connecting through holes in the partition plate (6), the second screwing plate (9) and one end of the circular arc-shaped through hole large aperture of the first screwing plate (8) in sequence; the rotating shaft (10) is fixedly matched with a gear hole of a sun gear (13), the inner end of the partition plate (6) is provided with a plurality of rotating shafts, the outer end of the second screwing plate (9) is fixedly connected with a gear ring (12), a gear hole of the planetary gear (11) is rotatably connected with the rotating shafts, the sun gear (13) is externally meshed with the planetary gear (11), and the planetary gear (11) is internally meshed with the gear ring (12); the wall of the connecting sleeve (7) is provided with a threaded through hole, the outer wall of the outer sleeve (4) is provided with an arc-shaped through hole, and the threaded through hole of the connecting sleeve (7) corresponds to the arc-shaped through hole in the outer sleeve (4); the outer end of the threaded sleeve (1) is provided with external threads, and the threaded sleeve (1) is in threaded connection with the tubular bus (15).
2. The tubular busbar connection device of claim 1, wherein: the rotating shaft (10) is respectively and rotationally connected with the central through holes of the second screwing plate (9) and the partition plate (6) in a mode that bearings are respectively installed in the central through holes of the partition plate (6) and the second screwing plate (9), and the rotating shaft (10) is fixedly connected with the inner ring of the bearing.
3. The tubular busbar connection device of claim 1, wherein: one end of the operating rod (3) is provided with an external thread, and the end of the operating rod (3) provided with the external thread penetrates through the arc-shaped through hole on the outer sleeve (4) to be in threaded connection with the threaded through hole on the connecting sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418522.9A CN111641056B (en) | 2020-05-18 | 2020-05-18 | Tubular bus bar connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418522.9A CN111641056B (en) | 2020-05-18 | 2020-05-18 | Tubular bus bar connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111641056A CN111641056A (en) | 2020-09-08 |
| CN111641056B true CN111641056B (en) | 2021-04-09 |
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ID=72332822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010418522.9A Active CN111641056B (en) | 2020-05-18 | 2020-05-18 | Tubular bus bar connecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111641056B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112588Y (en) * | 2007-10-22 | 2008-09-10 | 湖北兴和电力新材料股份有限公司 | Combined insulation pipe busbar intermediate connector |
| CN203850454U (en) * | 2014-05-20 | 2014-09-24 | 浙江南网电气有限公司 | Tubular bus middle connection device |
| CN105023644B (en) * | 2015-05-11 | 2017-03-22 | 江苏士林电气设备有限公司 | Tubular bus system |
| CN106329167A (en) * | 2015-06-19 | 2017-01-11 | 伊顿电力设备有限公司 | Bus connector |
| CN105206953A (en) * | 2015-09-06 | 2015-12-30 | 周元华 | Internal-expanding-type tubular busbar intermediate joint |
| CN105356076A (en) * | 2015-11-26 | 2016-02-24 | 国网河南偃师市供电公司 | Conducting wire broken line connecting device |
| CN206116121U (en) * | 2016-08-28 | 2017-04-19 | 威腾电气集团股份有限公司 | Tubular busbar connects insulation system |
| CN210272719U (en) * | 2019-08-30 | 2020-04-07 | 扬州通华电气有限公司 | Intermediate joint device of insulating tubular busbar |
-
2020
- 2020-05-18 CN CN202010418522.9A patent/CN111641056B/en active Active
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| CN111641056A (en) | 2020-09-08 |
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