CN114156810B - Bus duct initial end replacing device and replacing method - Google Patents
Bus duct initial end replacing device and replacing method Download PDFInfo
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- CN114156810B CN114156810B CN202111312359.9A CN202111312359A CN114156810B CN 114156810 B CN114156810 B CN 114156810B CN 202111312359 A CN202111312359 A CN 202111312359A CN 114156810 B CN114156810 B CN 114156810B
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- bus duct
- starting end
- clamping groove
- stress rod
- chain block
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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Abstract
The invention relates to the technical field of bus ducts, and discloses a bus duct starting end replacing device and a replacing method. According to the bus duct starting end replacing device and method provided by the invention, when the bus duct starting end is replaced in the disassembling process, the bus duct starting end is supported by the chain block, the stress rod and the clamp, so that the condition that the soft copper bar is damaged due to falling of the dead weight of the bus duct caused by looseness or chain fracture when the bus duct is hung by only depending on the chain block is avoided. Meanwhile, only one set of chain block is needed, the operation is simple, and the difficulty in replacing the initial end of the bus duct is reduced.
Description
Technical Field
The invention relates to the technical field of bus ducts, in particular to a bus duct starting end replacing device and a bus duct starting end replacing method.
Background
The starting end of the bus duct is connected with the transformer, the tail end of the bus duct is connected with the power distribution cabinet, the middle of the bus duct is a bus duct straight-line segment, the number of standard parts is 3 meters, and the standard parts are connected in a connector mode. Except the soft connection of the starting end, the other hard connections are adopted, namely the hard copper bar connection. The upper side of the starting end of the bus duct is connected by a connector, and the lower side of the starting end of the bus duct is connected by a soft copper bar. The existing bus duct initial end dismounting and replacing mode is as follows: the shell at the starting end is tightly bound by utilizing the manual hoist, the iron chain is tensioned, the manual hoist is used for taking a beam column or an expansion bolt for hoisting the bus duct as a bearing point, the connector above the starting end and the soft copper bar below the starting end are detached after the position of the starting end is kept, and finally the connector is pulled up, shifted and taken out.
However, since the bus duct top is disassembled and installed only by adopting a hoisting mode, the mode not only needs to use more than two sets of hand hoists, the operation difficulty is high, but also the soft copper bar condition of the starting end and the transformer connecting end is damaged due to the falling of the self weight of the bus duct top, so that the soft copper bar is deformed and damaged and cannot be installed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bus duct starting end replacing device and a bus duct starting end replacing method, which can reduce the replacing difficulty of the starting end of a bus duct and avoid the damage of a connecting soft copper bar due to the falling of the dead weight of the bus duct.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a device is changed at bus duct top, includes that detachably locates stress bar, chain block and card ma on the transformer insulation frame, card ma locates adjustably on the stress bar, just be equipped with the draw-in groove that is used for joint bus duct top shell on the card ma, chain block locates on beam column or expansion bolts, the beginning end of bus duct is connected to chain block's chain.
Preferably, the stress rod is connected with the clamp jaw through a bolt, a connecting hole is formed in the clamp jaw, a waist-shaped hole is formed in the stress rod, and the bolt is connected with the connecting hole and the waist-shaped hole.
Preferably, the number of the stress rods is two, the two stress rods are respectively arranged on two sides of the starting end head, and two calipers are arranged on each stress rod.
Preferably, the card horse includes the connecting plate, the bilateral symmetry of connecting plate is equipped with two blocks of cardboard, the draw-in groove sets up on the cardboard.
Preferably, the clamping grooves comprise a first clamping groove and a second clamping groove which are used for clamping bus duct shells with different powers, and the depth of the first clamping groove is greater than that of the second clamping groove.
Preferably, the cross sections of the first clamping groove and the second clamping groove are both right-angled trapezoids, the height of the first clamping groove is 13-19 mm, and the height of the second clamping groove is 8-12 mm.
Preferably, the open ends of the first clamping groove and the second clamping groove are both large bottom edge ends, and the length of the large bottom edge is 1.5-2.5 times of the length of the small bottom edge.
A bus duct initial end replacing method comprises the following steps:
respectively installing a stress rod and a chain block;
the maca is connected with a shell of the bus duct, and the maca is connected with the stress rod;
connecting a chain of the chain block with a starting end of the bus duct;
removing the soft copper bar between the starting end head and the connecting end of the transformer;
removing a connector between the upper part of the starting end head and the straight line section of the bus duct;
pulling the chain block to lift the starting end head and the stress rod together.
Preferably, the stress rod is arranged on the transformer insulation frame, and the chain block is arranged on a beam column or an expansion bolt for hoisting the bus duct.
Preferably, the stress rod with the card horse passes through bolted connection, just be equipped with the connecting hole on the card horse, be equipped with waist type hole on the stress rod, bolted connection the connecting hole with waist type hole.
Compared with the prior art, the bus duct initial end replacing device and the bus duct initial end replacing method provided by the embodiment of the invention have the beneficial effects that: through set up the atress pole on transformer insulation frame, connect card ma on the atress pole, be equipped with the draw-in groove that is used for joint bus duct shell on the card ma, set up chain block on beam column or expansion bolts simultaneously, the top of bus duct is connected to chain block's chain, when changing bus duct top in the dismantlement in-process, bus duct top is by chain block, the atress pole jointly supports with card ma, the condition of connecting the soft copper bar because of bus duct dead weight tenesmus damage that appears becoming flexible or the chain fracture leads to when having avoided simply relying on chain block to hoist. Meanwhile, only one set of chain block is needed, the operation is simple, and the difficulty in replacing the initial end of the bus duct is reduced. The invention has simple structure, good use effect and easy popularization and use.
Drawings
Fig. 1 is an application schematic diagram of a bus duct initial end replacing device of the invention.
Fig. 2 is a front view of a card code of the bus duct initial end replacing device of the invention.
Fig. 3 is a top view of a card code of the bus duct initial end replacing device of the invention.
Wherein: 1-stress rod, 2-card, 21-connecting plate, 22-card, 23-first card slot, 24-second card slot, 3-bolt and 100-starting end.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, a bus duct start end replacement device according to a preferred embodiment of the present invention includes a force bearing rod 1 detachably disposed on a transformer insulation frame, a chain block (not shown in the drawings), and a clamp 2, where the clamp 2 is adjustably disposed on the force bearing rod 1, and a clamp groove for clamping a shell of a bus duct start end 100 is disposed on the clamp 2, and the force bearing rod 1 is preferably an angle steel, and is simple to install and low in price. And the strength is reliable. The chain block is arranged on the beam column or the expansion bolt, and a chain of the chain block is connected with the starting end 100 of the bus duct.
Device is changed at bus duct top based on above-mentioned technical characteristics, through set up atress pole 1 on transformer insulation frame, connect card ma 2 on atress pole 1, be equipped with the draw-in groove that is used for joint bus duct shell on card ma 2, set up chain block on beam column or expansion bolts simultaneously, the top 100 of bus duct is connected to chain block's chain, when more changing bus duct top 100 in the dismantlement in-process, bus duct top 100 is by chain block, atress pole 1 jointly supports with card ma 2, the condition of connecting the soft copper bar because of bus duct dead weight tenesmus damage that appears becoming flexible or the chain fracture leads to when having avoided relying on chain block to hoist and mount alone. Meanwhile, only one set of chain block is needed, the operation is simple, and the difficulty in replacing the initial end of the bus duct is reduced. The invention has simple structure, good use effect and easy popularization and use.
In this embodiment, stress bar 1 with card ma 2 passes through bolt 3 to be connected, be equipped with the connecting hole on the card ma 2, be equipped with waist type hole on the stress bar 1, bolt 3 connects the connecting hole with waist type hole. When the bus duct starting end 100 is installed, the clamping groove is clamped on a shell of the bus duct starting end 100, then the bolt 3 sequentially penetrates through the connecting hole and the kidney-shaped hole, and finally the nut is screwed up to fix the bolt 3, so that the connection and the support of the starting end 100 by the stress rod 1 are realized. The stress rod 1 is provided with the waist-shaped hole for connection, and left and right adjustment can be performed according to the specification of the bus duct, so that the stress rod is matched with bus ducts with different specifications, and the application range is 800A-5000A bus ducts.
In this embodiment, stress bar 1 is two, two stress bar 1 sets up respectively the both sides of beginning end, through setting up two stress bar 1 not only makes after dismantling the first end 100 fixed bolster, card ma 2 with stress bar 1 can more effectively support the bus duct for the beginning end 100 that loses the support can not take place the tenesmus yet, is convenient for utilize the calabash on next step to transfer from beginning end 100. Simultaneously two the mode that stress pole 1 regarded as the supporting legs links to each other with the transformer box, makes the area of contact of stress pole 1 and transformer is big, not only makes the stress pole 1 receives the bus duct power more even, non-deformable also makes the power between stress pole 1 and the bus duct also evenly disperse, and equally not fragile transformer case has reached the purpose of well supporting the bus duct. In addition, in order to ensure the connection strength between the stress rod 1 and the bus duct, two arma 2 are arranged on each stress rod 1.
In this embodiment, the card ma 2 includes a connecting plate 21, two clamping plates 22 are symmetrically arranged on two sides of the connecting plate 21, the clamping grooves are formed in the clamping plates 22, and the connecting holes are formed in the connecting plate 21. Meanwhile, for connecting bus ducts with different powers, the clamping grooves comprise a first clamping groove 23 and a second clamping groove 24 which are used for clamping shells of the bus ducts with different powers, the depth of the first clamping groove 23 is larger than that of the second clamping groove 24, so that the first clamping groove 23 is suitable for fixing a high-power bus duct, and the second clamping groove 24 is suitable for fixing a low-power bus duct.
Specifically, the cross sections of the first locking groove 23 and the second locking groove 24 are both right trapezoid, the height of the first locking groove 23 is 13-19 mm, such as 16 mm, 17 mm, etc., and the height of the second locking groove 24 is 8-12 mm, such as 10 mm, 11 mm, etc. When the bus duct is specifically arranged, the open ends of the first clamping groove 23 and the second clamping groove 24 are both large-bottom-edge ends, so that the bus duct can be conveniently clamped. Meanwhile, the length of the large bottom edge is 1.5 to 2.5 times of the length of the small bottom edge, for example, the length of the large bottom edge of the first clamping groove 23 is 4 mm, and the length of the small bottom edge is 4 mm; the length of the large bottom edge of the second clamping groove 24 is 5 mm, and the length of the small bottom edge is 3 mm.
In order to solve the technical problem, the invention also provides a bus duct starting end replacing method, which comprises the following steps:
the stress rod 1 and the chain block are respectively arranged. The stress rod 1 is arranged on the transformer insulating frame, and the chain block is arranged on a beam column or an expansion bolt for hoisting a bus duct;
and clamping the clamping frame 2 with a shell of the bus duct, and connecting the clamping frame 2 with the stress rod 1. Stress bar 1 with card ma 2 passes through bolt 3 and is connected, be equipped with the connecting hole on the card ma 2, be equipped with waist type hole on the stress bar 1, bolt 3 is connected the connecting hole with waist type hole. During installation, the clamping groove is firstly clamped on a shell of the bus duct starting end 100, then the bolt 3 sequentially penetrates through the connecting hole and the waist-shaped hole, and finally the nut is screwed to fix the bolt 3, so that the connection and the support of the stress rod 1 on the starting end 100 are realized. The stress rod 1 is provided with the waist-shaped hole for connection, and left and right adjustment can be performed according to the specification of the bus duct, so that bus ducts with different specifications are matched, and the application range is 800A-5000A;
the chain of the chain block is connected with the starting end 100 of the bus duct, so that the bus cannot be damaged;
removing the soft copper bar between the starting end head 100 and the connecting end of the transformer, and removing each connecting bolt one by one during removal;
removing the connector between the upper part of the start end head 100 and the straight line section of the bus duct;
pulling the chain block to lift the starting end head 100 and the stress rod 1 together, and simultaneously lifting the clamp rod 2 together.
By adopting the method to replace the bus duct starting end 100, the bus duct starting end 100 is jointly supported by the chain block, the stress rod 1 and the clamp rod 2, and the condition that the soft copper bar is connected due to falling caused by dead weight of the bus duct due to looseness or chain fracture when the bus duct starting end is simply hoisted by the chain block is avoided. Meanwhile, only one set of chain block is needed, the operation is simple, and the difficulty in replacing the initial end of the bus duct is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a bus duct top changes device which characterized in that: the device comprises a stress rod, a chain block and a clamp code, wherein the stress rod, the chain block and the clamp code are detachably arranged on an insulating frame of the transformer, the clamp code is adjustably arranged on the stress rod, a clamping groove used for clamping a shell at the starting end of the bus duct is formed in the clamp code, the chain block is arranged on a beam column or an expansion bolt, and a chain of the chain block is connected with the starting end of the bus duct;
the stress rods are two and are respectively arranged on two sides of the starting end head, and each stress rod is provided with two calipers.
2. The bus duct starting end replacing device as set forth in claim 1, wherein: the stress rod is connected with the clamp horse through a bolt, a connecting hole is formed in the clamp horse, a waist-shaped hole is formed in the stress rod, and the bolt is connected with the connecting hole and the waist-shaped hole.
3. The bus duct starting end replacing device as set forth in claim 1, wherein: the card horse includes the connecting plate, the bilateral symmetry of connecting plate is equipped with two blocks of cardboards, the draw-in groove sets up on the cardboard.
4. The bus duct starting end replacing device as set forth in claim 1 or 3, characterized in that: the clamping groove comprises a first clamping groove and a second clamping groove which are used for clamping bus duct shells with different powers, and the depth of the first clamping groove is larger than that of the second clamping groove.
5. The bus duct starting end replacing device as set forth in claim 4, wherein: the cross sections of the first clamping groove and the second clamping groove are both right-angled trapezoids, the height of the first clamping groove is 13-19 mm, and the height of the second clamping groove is 8-12 mm.
6. The bus duct starting end replacing device as set forth in claim 5, wherein: the opening ends of the first clamping groove and the second clamping groove are both large bottom edge ends, and the length of the large bottom edge is 1.5-2.5 times of the length of the small bottom edge.
7. A bus duct start replacement method, which is replaced by the bus duct start replacement device as set forth in any one of claims 1 to 6, and is characterized in that: the method comprises the following steps:
respectively installing a stress rod and a chain block;
the maca is connected with a shell of the bus duct, and the maca is connected with the stress rod;
connecting a chain of the chain block with a starting end of the bus duct;
removing the soft copper bar between the starting end head and the connecting end of the transformer;
removing the connector between the upper part of the starting end head and the straight line section of the bus duct;
pulling the chain block to lift the starting end head and the stress rod together.
8. The bus duct starting end replacing method according to claim 7, characterized in that: the stress rod is arranged on the transformer insulating frame, and the chain block is arranged on a beam column or an expansion bolt for hoisting a bus duct.
9. The bus duct starting end replacing method according to claim 7, characterized in that: the stress rod with the card horse passes through bolted connection, just be equipped with the connecting hole on the card horse, be equipped with waist type hole on the stress rod, bolted connection the connecting hole with waist type hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312359.9A CN114156810B (en) | 2021-11-08 | 2021-11-08 | Bus duct initial end replacing device and replacing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312359.9A CN114156810B (en) | 2021-11-08 | 2021-11-08 | Bus duct initial end replacing device and replacing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114156810A CN114156810A (en) | 2022-03-08 |
| CN114156810B true CN114156810B (en) | 2022-08-12 |
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| CN202111312359.9A Active CN114156810B (en) | 2021-11-08 | 2021-11-08 | Bus duct initial end replacing device and replacing method |
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| CN104078875A (en) * | 2014-07-03 | 2014-10-01 | 镇江市江岛电器制造有限公司 | Bus duct installing method |
| CN105814654A (en) * | 2014-01-21 | 2016-07-27 | Abb公司 | Site replacement of internal saturable reactors of a rectifier power transformer |
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| CN206412720U (en) * | 2016-12-21 | 2017-08-15 | 镇江西门子母线有限公司 | A kind of I-shaped mounting bracket of data center's bus |
| CN207251140U (en) * | 2017-09-19 | 2018-04-17 | 天水长城控制电器有限责任公司 | Special bus duct for wind power beginning unit transfer box |
| CN208094125U (en) * | 2018-02-26 | 2018-11-13 | 青岛大地母线科技有限公司 | A kind of bus duct beginning mounting device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997278A (en) * | 2010-10-14 | 2011-03-30 | 黄道华 | Bus uninterrupted isolator hoisting device |
| CN105814654A (en) * | 2014-01-21 | 2016-07-27 | Abb公司 | Site replacement of internal saturable reactors of a rectifier power transformer |
| CN104078875A (en) * | 2014-07-03 | 2014-10-01 | 镇江市江岛电器制造有限公司 | Bus duct installing method |
| JP2020188542A (en) * | 2019-05-10 | 2020-11-19 | 古河電気工業株式会社 | Method of laying bus duct and method of constructing bus duct structure |
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| CN114156810A (en) | 2022-03-08 |
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