CN202034486U - Intermediate connection device of insulating pipe bus - Google Patents
Intermediate connection device of insulating pipe bus Download PDFInfo
- Publication number
- CN202034486U CN202034486U CN2010205896569U CN201020589656U CN202034486U CN 202034486 U CN202034486 U CN 202034486U CN 2010205896569 U CN2010205896569 U CN 2010205896569U CN 201020589656 U CN201020589656 U CN 201020589656U CN 202034486 U CN202034486 U CN 202034486U
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- bus
- joint
- nut
- wedge
- radial hole
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Abstract
The utility model discloses an intermediate connection device of an insulating pipe bus, comprising a bus intermediate joint, a nut positioning slot plate, a fastening bolt, a nut and a joint wedge. The bus intermediate joint is a pipe fitting with a radial flange arranged in the middle, the two ends of the pipe fitting are sleeved in two insulating pipe buses respectively, and the outer diameter of the radial flange equals to the outer diameter of the connected insulating pipe bus. The radial flange is equipped with a radial hole penetrating through the pipe wall of the bus intermediate joint, and the pipe wall at the opposite side of the radial hole is equipped with an axial wedge slot. The nut is arranged in the nut positioning slot plate, a nut positioning slot is located on the lower side of the radial hole. The fastening bolt is penetrated through the radial hole and is screwed into the nut, the lower end of the fastening bolt is pressed on the upper side of the joint wedge, and the lower side of the joint wedge is crowded in the axial wedge slot of the bus intermediate joint. The intermediate connection device of the insulating pipe bus is simple in structure, less in parts number, low in manufacturing cost and rapid and convenient in installation. The intermediate connection device of the insulating pipe bus is jointed with the inner wall of the insulating pipe bus tightly and keeps good contact with the inner wall, thereby possessing better conductivity.
Description
Technical field
The utility model relates to a kind of insulated tube bus, and the jockey between especially a kind of single insulated tube bus belongs to the transmission equipment accessory technical field.
Background technology
Along with the increasing of transforming plant main transformer capacity, transformer 10kV and 35kV side bus rated current have surpassed 3000A, conventional rectangular bus bar big loop of incompatibility operating current on technology and structure.When the separate unit main transformer capacity reaches 180MVA when above, because the shared proportion of rated current, short circuit current and the separate unit main transformer capacity of step down side increases, main transformer low pressure outlet side not only has the electric power problem of bus bridge own, heating problem, also has the reinforcing bar heating problem that inductive loop causes in alternating intense magnetic field near the concrete column of bus bridge post insulator, steel framework and bus bridge, the basis.Advantages such as the insulated tube bus is as the substitute of rectangular bus bar, and is big with its ampacity, that mechanical strength is high, thermal diffusivity is good are adopted by increasing power plant, substation gradually.The length of single insulated tube bus is 6-8m, need connect into long insulated tube bus by middle jockey, to satisfy instructions for use.Existing insulated tube bus adopts the middle jockey of outer hood type, and transition joint is partly much thick than the insulated tube bus that is connected, and cost height, insulating barrier are difficult to be made, and influences the bus outward appearance; And outer hood type causes partial discharge quantity bigger because of the protruding tip part is unavoidably arranged, and has shortened the useful life of insulated tube bus greatly.
China's utility model patent (CN20112588) discloses a kind of " composite type insulated tube bus intermediate connector ", there is quiet conductive head on the middle transition moving conductive head both sides of this intermediate connector, cooperate with middle transition moving conductive head by fastening transmission key with the fastening screw mandrel of positive and negative rectangle screw thread that quiet conductive head links together, middle transition moving conductive head inner conical conductive contact surfaces closely contacts with quiet conductive head conical contact face.During use, the non-taper surface one end welding of insulated tube bus end and quiet conductive head, the fastening screw mandrel of forward and reverse rectangle screw thread is with middle transition moving conductive head, quiet conductive head firm locking, and the outside is fixed with prefabricated protected type shrinkage insulating case, forms the intermediate connector of bulk shielding insulation.Advantages such as this intermediate connector has the compactness of being connected firmly, and contact area is big, and electric conductivity is strong, and tensile strength is big, and connected two sections insulated tube bus smooth-shapeds are smooth, and insulation property are strong, and the moistureproof and waterproof ability is strong.But connected two sections insulated tube bus ends all need and the first end welding of quiet conduction, influence site operation speed, have strengthened construction cost.The fastening screw mandrel of positive and negative rectangle screw thread is housed in the middle transition moving conductive head, and connect by key, the fastening screw mandrel of positive and negative rectangle screw thread again with the quiet conductive head at two ends by positive and negative rectangle screwed connection, complex structure, the part kind is many, and, influence the electric conductivity of connected two sections insulated tube buses because the influence in rectangle screw thread gap causes the bellmouth of middle transition moving conductive head can't be connected very closely with quiet conductive head conical head.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, low cost of manufacture, can improve the reliability that the insulated tube bus connects, and simplifies step of connecting in the middle of the site operation, improves jockey in the middle of the insulated tube bus of installation effectiveness.
The utility model is achieved by the following technical programs:
Jockey in the middle of a kind of insulated tube bus, comprise bus transition joint, nut positioning groove plate, holding screw, nut, joint drift, described bus transition joint is the pipe fitting that the middle part is provided with radial flange, described pipe fitting two ends are set in two sections insulated tube buses, described radial flange external diameter equates with the insulated tube bus external diameter that is connected, radial flange is provided with the radial hole that penetrates bus transition joint tube wall, and the tube wall of described radial hole offside is opened axial wedge-shaped slot; Nut is arranged in the nut positioning groove plate, and described nut location notch is positioned at the radial hole downside; Described holding screw passes radial hole and is screwed into nut, and the holding screw lower end is pressed in joint drift upside, and joint drift downside is clamp-oned in the axial wedge-shaped slot of bus transition joint.
The purpose of this utility model can also further realize by following technical measures.
Jockey in the middle of the aforesaid insulated tube bus, the gradient of wherein said joint drift and wedge-shaped slot is 1:4～1:5.
The utility model is simple in structure, number of spare parts is few, low cost of manufacture, install quick and convenient, promote the axial wedge-shaped slot that joint is carved the transition joint of iron extruding bus by holding screw, because the joint drift 1:4～1:5 gradient identical with wedge-shaped slot, the joint drift can be locked in the axial wedge-shaped slot of bus transition joint, utilize the huge extruding force of joint drift two inclined-planes to the axial wedge-shaped slot of bus transition joint, the bus transition joint pipe fitting that two ends are sleeved in two sections isolated buses is squeezed back external diameter change greatly, tightly fit with insulated tube bus inwall, and the maintenance excellent contact, thereby has conductivity preferably.Two sections isolated buses connect smoothly, and the no ledge in surface is convenient to make insulation, has guaranteed the safe operation of isolated bus.
Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As Fig. 1～shown in Figure 3, the utility model comprises bus transition joint 1, nut positioning groove plate 2, holding screw 3, nut 4, joint drift 5, bus transition joint 1 is provided with the pipe fitting of radial flange 11 for the middle part, described pipe fitting two ends pack into respectively in two sections insulated tube buses 6, radial flange 11 external diameters equate with insulated tube bus 6 external diameters that are connected, make to connect two insulated tube bus 6 junction surface smoothings, be convenient to follow-up insulation processing by the utility model.Radial flange 11 is provided with the radial hole 12 that penetrates bus transition joint 1 tube wall, and the tube wall of described radial hole 12 offsides is opened axial wedge-shaped slot 13.The gradient of joint drift 5 and wedge-shaped slot 13 is 1:4～1:5, make joint drift 5 be locked in the wedge-shaped slot 13 of bus transition joint 1, and the wedge-shaped slot 13 of bus transition joint 1 produced huge extruding force, thereby bus transition joint 1 is contacted well with the insulated tube bus 6 at its two ends.Joint drift 5 length approach the length of bus transition joint 1, and the extruding force that causes the wedge-shaped slot 13 of 5 pairs of whole bus transition joints 1 of joint drift to be produced can be evenly distributed on the inwall of insulated tube bus 6.Nut positioning groove plate 2 openings are arranged on radial hole 12 downsides down, and nut 4 is embedded in the nut positioning groove plate 2, can prevent its rotation.Holding screw 3 passes radial hole 12 and nut positioning groove plate 2 is screwed in the nut 4, holding screw 3 lower ends are pressed in joint drift 5 upsides, joint drift 5 downsides are pressed in the axial wedge-shaped slot 13 of bus transition joint, make the bus transition joint 1 pipe fitting extruding back external diameter that is sleeved in two sections insulated tube buses 6 become big, tightly fit with insulated tube bus 6 inwalls.The conductive section of bus transition joint 1 is greater than insulated tube bus 6 cross sections at two ends, and insulated tube bus 6 surfaces are provided with the plated silver finish that prevents the joint corrosion and reduce contact resistance, makes the temperature rise of bus transition joint 1 less than the temperature rise of insulated tube bus 6.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (2)
1. jockey in the middle of the insulated tube bus, comprise bus transition joint (1), nut positioning groove plate (2), holding screw (3), nut (4), joint drift (5), described bus transition joint (1) is provided with the pipe fitting of radial flange (11) for the middle part, described pipe fitting two ends are set in two sections insulated tube buses (6), described radial flange (11) external diameter equates with insulated tube bus (6) external diameter that is connected, radial flange (11) is provided with the radial hole (12) that penetrates bus transition joint (1) tube wall, and the tube wall of described radial hole (12) offside is opened axial wedge-shaped slot (13); Nut (4) is arranged in the nut positioning groove plate (2), and described nut positioning groove plate (2) is positioned at radial hole (12) downside; Described holding screw (3) passes radial hole (12) and nut positioning groove plate (2) is screwed into nut (4), and holding screw (3) lower end is pressed in joint drift (5) upside, and joint drift (5) downside is pressed in the axial wedge-shaped slot of bus transition joint (13).
2. jockey in the middle of the insulated tube bus as claimed in claim 1, it is characterized in that: the gradient of joint drift (5) and wedge-shaped slot (13) is 1:4～1:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205896569U CN202034486U (en) | 2010-11-03 | 2010-11-03 | Intermediate connection device of insulating pipe bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205896569U CN202034486U (en) | 2010-11-03 | 2010-11-03 | Intermediate connection device of insulating pipe bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034486U true CN202034486U (en) | 2011-11-09 |
Family
ID=44896774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205896569U Expired - Lifetime CN202034486U (en) | 2010-11-03 | 2010-11-03 | Intermediate connection device of insulating pipe bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034486U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456954A (en) * | 2010-11-03 | 2012-05-16 | 江苏大全封闭母线有限公司 | Intermediate connection device for buses of insulation tube |
| CN102684032A (en) * | 2012-05-19 | 2012-09-19 | 林锐涛 | Pipe bus connection method |
| CN102684033A (en) * | 2012-05-19 | 2012-09-19 | 林锐涛 | Thermal shrinkable tube busbar connection method |
| CN106158169A (en) * | 2016-08-28 | 2016-11-23 | 威腾电气集团股份有限公司 | A kind of tube type bus splice insulation structure |
| CN106684789A (en) * | 2017-02-07 | 2017-05-17 | 河南省水利勘测设计研究有限公司 | Rectangular hollow copper busbar system |
| CN108599064A (en) * | 2018-05-21 | 2018-09-28 | 深圳市沃尔核材股份有限公司 | The connection method and connection structure of a kind of wind tower with two tube type bus |
-
2010
- 2010-11-03 CN CN2010205896569U patent/CN202034486U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456954A (en) * | 2010-11-03 | 2012-05-16 | 江苏大全封闭母线有限公司 | Intermediate connection device for buses of insulation tube |
| CN102456954B (en) * | 2010-11-03 | 2013-12-25 | 江苏大全封闭母线有限公司 | Intermediate connection device for buses of insulation tube |
| CN102684032A (en) * | 2012-05-19 | 2012-09-19 | 林锐涛 | Pipe bus connection method |
| CN102684033A (en) * | 2012-05-19 | 2012-09-19 | 林锐涛 | Thermal shrinkable tube busbar connection method |
| CN102684033B (en) * | 2012-05-19 | 2014-03-05 | 林锐涛 | Thermal shrinkable tube busbar connection method |
| CN106158169A (en) * | 2016-08-28 | 2016-11-23 | 威腾电气集团股份有限公司 | A kind of tube type bus splice insulation structure |
| CN106158169B (en) * | 2016-08-28 | 2017-07-11 | 威腾电气集团股份有限公司 | A kind of tube type bus splice insulation structure |
| CN106684789A (en) * | 2017-02-07 | 2017-05-17 | 河南省水利勘测设计研究有限公司 | Rectangular hollow copper busbar system |
| CN108599064A (en) * | 2018-05-21 | 2018-09-28 | 深圳市沃尔核材股份有限公司 | The connection method and connection structure of a kind of wind tower with two tube type bus |
| CN108599064B (en) * | 2018-05-21 | 2024-01-09 | 深圳市沃尔核材股份有限公司 | Connection method and connection structure of two tubular buses for wind power tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111109 Effective date of abandoning: 20131225 |
|
| RGAV | Abandon patent right to avoid regrant |