CN211150858U - Tubular bus terminal connection structure - Google Patents

Tubular bus terminal connection structure Download PDF

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Publication number
CN211150858U
CN211150858U CN201922365524.1U CN201922365524U CN211150858U CN 211150858 U CN211150858 U CN 211150858U CN 201922365524 U CN201922365524 U CN 201922365524U CN 211150858 U CN211150858 U CN 211150858U
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CN
China
Prior art keywords
reaming
tubular
wall
connection
flexible coupling
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CN201922365524.1U
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Chinese (zh)
Inventor
戈伟华
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Guangdong Weijie Power Technology Co ltd
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Guangdong Weijie Power Technology Co ltd
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Priority to CN201922365524.1U priority Critical patent/CN211150858U/en
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  • Installation Of Bus-Bars (AREA)

Abstract

The utility model discloses a tubular busbar terminal connection structure, include rectangle flexible coupling, locate the reaming end, the equipment binding post of terminal tubular generating line, the reaming end carries out the reaming, the regular polygon pipe end that forms with the pipe wall suppression after the reaming again for hydraulic forming machine to the ring pipe end of terminal tubular generating line, the bolt hole has been seted up on the lateral wall of reaming end, be equipped with on the rectangle flexible coupling with the bolt hole that the lateral wall of reaming end corresponds, the one end of rectangle flexible coupling through pass itself and the bolt of reaming end bolt hole with reaming end fixed connection, the other end of rectangle flexible coupling again with equipment binding post fixed connection. The utility model discloses can be according to the equipment binding post's contact surface how much and suppress the equilateral plane of different quantity for the tubular generating line terminal connection that adopts this product is electrically conductive even, has effectively reduced the quantity of tubular product, has reduced the cost of production.

Description

Tubular bus terminal connection structure
Technical Field
The utility model relates to an electric power transmission and transformation system technical field specifically, relates to a tubular bus terminal connection structure.
Background
The tubular bus is one of the key devices in the electric power transmission and transformation system, and plays an important role in the safe and reliable operation of the electric power transmission and transformation system and the electric power device. The over-current conductor is mainly applied to conductor connection between a power transmission lead of a power grid and a transformer of a transformer substation, a jumper wire in a power transmission line, a connecting conductor in power equipment and a high-current direct-current ice melting device in electric power construction engineering in China as an over-current conductor, is a brand-new conductor for replacing a traditional rectangular, groove-shaped, bar-shaped bus and flexible lead, is one of key equipment (materials) in a power transmission and transformation system, and plays a vital role in safe and reliable operation of the power transmission and transformation system and the power equipment.
When the existing tubular bus terminal is connected with the equipment wiring terminal, rectangular flexible connection is adopted, namely, a conductive tube, namely, the tubular bus terminal is flattened or is externally connected with a flat terminal. Although the connection structure solves the problem of terminal connection, the original mode cannot meet the requirement that each contact surface of the equipment wiring terminal can be connected after the equipment wiring terminal with large current becomes more and more complex, the temperature rise of the tubular bus terminal is easily too high, the using amount of the tubular bus is increased, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tubular bus terminal connection structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a tubular busbar terminal connection structure, includes rectangle flexible coupling, locates reaming end, the equipment binding post of terminal tubular generating line, the reaming end carries out the reaming for hydraulic forming machine to the ring tube end of terminal tubular generating line, the regular polygon pipe end that the pipe wall suppression after the reaming formed again, the bolt hole has been seted up on the lateral wall of reaming end, be equipped with on the rectangle flexible coupling with the bolt hole that the lateral wall of reaming end corresponds, the one end of rectangle flexible coupling through pass itself and the bolt of reaming end bolt hole with reaming end fixed connection, the other end of rectangle flexible coupling again with equipment binding post fixed connection.
In order to ensure the contact surface and the contact effect of the terminal connection, the outer surface of the reaming end and the inner surface of the rectangular flexible connection are both made into a smooth and burr-free plane shape by polishing.
In order to ensure smooth installation and connection and accurate alignment, preferably, the width of the inner surface of the rectangular flexible connection is not more than the side length of the regular polygon pipe wall of the outer surface of the reaming end.
And a good process effect is achieved, and a round chamfer is arranged on the outer wall of the regular polygon of the reaming end.
In order to ensure the conductivity of the terminal connection and to have the effect of preventing oxidation of the contact part, it is preferable that the outer surface of the expanded end and the inner surface of the rectangular flexible connection are both provided with tin plating.
In order to ensure the stability of the connection, it is preferable that the length of the reamer end is not less than the diameter of an inscribed circle of a regular polygon of the outer wall of the reamer end.
In order to ensure the firmness of connection, preferably, the side wall of the hole expanding end and the bolt holes formed in the rectangular flexible connection are respectively provided with multiple groups.
In order to achieve a good conduction effect, the hole expanding device is preferable, the plurality of side walls of the hole expanding end are all matched with rectangular flexible connections for connection, and the other ends of the rectangular flexible connections are fixedly connected with equipment wiring terminals.
Preferably, the regular polygon of the reaming end is a square, a regular hexagon, a regular octagon or a regular decagon.
Preferably, the inner diameter of the tubular bus is 80mm, the outer diameter of the tubular bus is 100mm, when the reaming end is a regular quadrangle, the side length of the inner wall of the reaming end is 100mm, the side length of the outer wall of the reaming end is 120mm, the reaming end is provided with 4 groups of bolt holes along the side wall, each group of bolt holes is 2, and the length of the reaming end is 200 mm.
Compared with the prior art, the beneficial effects of the utility model are that: tubular generating line terminal connection structure, according to the characteristics of the strong stretch ability of metal conducting tube and expansibility, do not do under the change condition big to the surface area and the sectional area of tubular generating line, utilize the current to walk the skin effect principle on surface, adopt the mode that sets up the reaming end to the end of tubular generating line, make its and the rectangle flexible coupling of butt joint directly fasten, realize that the laminating is even, closely, firm, gapless tubular generating line end connection, can be according to how much and suppress the equilateral plane of different quantity of equipment binding post's contact surface, make the tubular generating line end connection of adopting this product electrically conductive even, effectively reduced the quantity of tubular product, the cost of production has been reduced, simple structure has, the contact is good, temperature rise in the operation is not higher than conductor itself, be convenient for install, characteristics such as the cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a square pipe at the end of the enlarged hole;
FIG. 3 is a schematic cross-sectional view of a hexagonal pipe at the end of the enlarged hole;
FIG. 4 is a schematic cross-sectional view of a flared end of a regular octagonal tube;
FIG. 5 is a schematic cross-sectional view of a cross-sectional configuration of a square tube at the flared end;
wherein: 1. the bus comprises a tubular bus, 2 bolt holes, 3 bolts, 4 rectangular flexible connections, 5 equipment wiring terminals and 6 reaming ends.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a tubular busbar terminal connection structure, includes rectangle flexible coupling 4, locates the reaming end 6, the equipment binding post 5 of the tubular generating line 1 in terminal, reaming end 6 is the regular polygon pipe end that hydraulic forming machine carried out reaming, the pipe wall suppression after the reaming formed to the ring pipe end of the tubular generating line 1 in terminal, seted up bolt hole 2 on the lateral wall of reaming end 6, be equipped with on the rectangle flexible coupling 4 with the bolt hole 2 that the lateral wall of reaming end 6 corresponds, the one end of rectangle flexible coupling 4 through pass itself and the bolt 3 of reaming end 6 bolt hole 2 with reaming end 6 fixed connection, the other end of rectangle flexible coupling 4 again with equipment binding post 5 fixed connection. The outer surface of the reaming end 6 and the inner surface of the rectangular flexible connection 4 are both polished into smooth and burr-free planar shapes. The width of the inner surface of the rectangular flexible connection 4 is not more than the side length of the regular polygon pipe wall of the outer surface of the reaming end. And a round chamfer is arranged on the outer wall of the regular polygon of the reaming end 6. And tin-plated layers are arranged on the outer surface of the reaming end 6 and the inner surface of the rectangular flexible connection 4. In order to ensure the stability of the connection, it is preferable that the length of the reamer end 6 is not less than the diameter of an inscribed circle of a regular polygon of the outer wall of the reamer end 6. The side wall of the hole expanding end 6 and the bolt holes 2 formed in the rectangular flexible connection 4 are respectively in multiple groups.
Here, the tubular busbar 1 has an inner diameter of 80mm and an outer diameter of 100mm, when the reamer end 6 is a regular quadrilateral, the length of the inner wall side is 100mm and the length of the outer wall side is 120mm, the reamer end 6 is provided with 4 groups of bolt holes 2 along the side wall, each group of bolt holes 2 is 2, and the length of the reamer end 6 is 200 mm. 4 lateral walls of reaming end 6 all form a complete set and are equipped with rectangle flexible coupling 4 and connect, equally, rectangle flexible coupling 4's the other end and equipment binding post 5 fixed connection.
As shown in fig. 3, the regular polygon of the reamer head 6 may also be a regular hexagon. As shown in fig. 4, the regular polygon of the reamer head 6 may also be a regular octagon. The regular polygon of the reamer head 6 may also be a regular decagon, as shown with reference to fig. 5. Correspondingly, the length of the reaming end 6 can also be 200mm, and the distance between the inner walls of two opposite sides of the regular polygon can be properly adjusted according to the process and the actual situation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a tubular busbar terminal connection structure, its characterized in that, include rectangle flexible coupling, locate the reaming end, the equipment binding post of terminal tubular generating line, the reaming end carries out the reaming, the regular polygon pipe end that forms with the pipe wall suppression after the reaming again for the ring pipe end of terminal tubular generating line for hydraulic forming machine, the bolt hole has been seted up on the lateral wall of reaming end, be equipped with on the rectangle flexible coupling with the bolt hole that the lateral wall of reaming end corresponds, the one end of rectangle flexible coupling through pass itself and the bolt of reaming end bolt hole with reaming end fixed connection, the other end of rectangle flexible coupling again with equipment binding post fixed connection.
2. The tubular busbar termination connection structure of claim 1, wherein the outer surface of said flared end and the inner surface of said rectangular flexible joint are each finished by grinding to a smooth, burr-free planar shape.
3. The tubular busbar termination connection of claim 2, wherein the width of the inner surface of the rectangular flexible connection is no greater than the length of a side of a regular polygonal pipe wall with the outer surface of the flared end.
4. The tubular busbar termination connection of claim 2, wherein the outer wall of the regular polygon of the flared end is provided with a rounded chamfer.
5. The tubular busbar termination connection structure of claim 2, wherein the outer surface of the flared end and the inner surface of the rectangular flexible connection are each provided with a tin plating.
6. The tubular busbar termination connection of claim 2, wherein the length of the counterbored end is no less than the diameter of the inscribed circle of the regular polygon of the outer wall of the counterbored end.
7. The tubular bus bar terminal connecting structure according to claim 2, wherein the bolt holes formed in the side wall of the expanded end and the rectangular flexible connection are respectively in multiple groups.
8. The tubular bus bar terminal connecting structure according to claim 7, wherein a plurality of side walls of the expanded end are provided with rectangular flexible connections for connection, and similarly, the other ends of the rectangular flexible connections are fixedly connected with the equipment connecting terminals.
9. The tubular busbar termination connection structure of claim 2, wherein the regular polygon of the flared end is a square, a regular hexagon, a regular octagon, or a regular decagon.
10. The tubular busbar terminal connecting structure according to any one of claims 1 to 9, wherein the tubular busbar has an inner diameter of 80mm and an outer diameter of 100mm, and when the enlarged end is a regular quadrilateral, the side length of the inner wall is 100mm and the side length of the outer wall is 120mm, the enlarged end is provided with 4 groups of bolt holes along the side wall, 2 bolt holes in each group, and the length of the enlarged end is 200 mm.
CN201922365524.1U 2019-12-25 2019-12-25 Tubular bus terminal connection structure Active CN211150858U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922365524.1U CN211150858U (en) 2019-12-25 2019-12-25 Tubular bus terminal connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922365524.1U CN211150858U (en) 2019-12-25 2019-12-25 Tubular bus terminal connection structure

Publications (1)

Publication Number Publication Date
CN211150858U true CN211150858U (en) 2020-07-31

Family

ID=71746779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922365524.1U Active CN211150858U (en) 2019-12-25 2019-12-25 Tubular bus terminal connection structure

Country Status (1)

Country Link
CN (1) CN211150858U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A tubular busbar terminal connection structure

Granted publication date: 20200731

Pledgee: Guangzhou Bank Co.,Ltd. Foshan Sanshui Branch

Pledgor: Guangdong Weijie Power Technology Co.,Ltd.

Registration number: Y2024980004337