CN112908624A - Transformer replacing method and device - Google Patents
Transformer replacing method and device Download PDFInfo
- Publication number
- CN112908624A CN112908624A CN202110104566.9A CN202110104566A CN112908624A CN 112908624 A CN112908624 A CN 112908624A CN 202110104566 A CN202110104566 A CN 202110104566A CN 112908624 A CN112908624 A CN 112908624A
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- China
- Prior art keywords
- transformer
- support
- bracket
- roller
- roller device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a method and a device for replacing a transformer, and belongs to the technical field of mechanical equipment maintenance. The technical scheme of the invention is as follows: and a rolling device is adopted to support the transformer, the movable slide way and the chain are utilized to pull the transformer to move to the bracket, and the transformer is lifted away after being moved out of the transformer chamber. The invention has the beneficial effects that: through adopting roller device and strutting arrangement, replace upper portion hoist and mount and must dismantle electrically conductive copper, during the change, as long as demolish the transformer wiring, need not to demolish the wiring board on upper portion, need not the roof hoisting point for the change of transformer is very convenient safety, has shortened the change time, has improved work efficiency.
Description
Technical Field
The invention relates to a transformer replacement and a device, and belongs to the technical field of mechanical equipment maintenance.
Background
The transformer is a large-scale power transformation device essential for the production of metallurgical enterprises, particularly a steel rolling mill generally needs a plurality of transformers, the type is generally 1600-inch and 2500-inch VA oil-immersed transformers, the transformers are generally arranged in a transformer room outside a large factory building, the transformer room is generally a heat dissipation space with the height of 800MM at the lower part, and no hoisting facility exists, so that a square timber is generally used as a support pad outside each time of replacement, a hoisting point and a truck crane on the roof are used for hoisting and moving for several times, a rolling rod is placed at the lower part and is moved to the outside support pad, the truck crane is used for hoisting and moving to a truck for transportation, the steps are opposite during installation, but the defects are that the connecting wires and the connecting wires must be completely removed when the copper plate is replaced from the upper part of the transformer room, hoisting points are not arranged at the tops of some transformer rooms, a hoisting point is required to be used for hoisting at the roof, rain leakage is easy to occur when plugging is not tight after completion, the large-scale chain hoist that the lifting worker hoisted, tools such as wire rope hang the difficulty, take trouble hard. Because the number of rolled line transformers in an enterprise is large, and replacement is inconvenient, a method for quickly and conveniently replacing the transformer needs to be designed.
Disclosure of Invention
The invention aims to provide a method and a device for replacing a transformer, wherein a roller device and a supporting device are adopted to replace upper hoisting and a conductive copper plate which needs to be disassembled, when in replacement, only a transformer wiring is required to be disassembled, a wiring board at the upper part does not need to be disassembled, a roof hoisting point is not required, and the transformer is hoisted and transported by a truck crane after being pulled to a bracket through a hanging chain block at the outer side of the bracket, so that the replacement of the transformer is very convenient and safe, the replacement time is shortened, the working efficiency is improved, and the problems in the background technology are effectively solved.
The technical scheme of the invention is as follows: a transformer replacing method comprises the following steps:
firstly, an electrician opens a brake and cuts off power, after discharging, the electrician only removes the indoor wires of the transformer without removing the copper plates of the wires;
secondly, connecting each two sets of roller devices with the transformer slot seats;
thirdly, screwing a square head of an adjusting lead screw of the roller device by using an adjustable wrench, supporting the transformer by 50MM through a thrust bearing and a support, and then adjusting four rollers of the two sets of roller devices to pin grooves at the lower parts of the roller devices;
fourthly, placing the movable slideway at the outer side of the fixed support of the transformer;
fifthly, hanging the bracket to the outer side of a ventilation chamber at the lower part of the transformer chamber, and fixing the movable slideway and the bracket into a whole by using bolts;
sixthly, lowering the transformer by adjusting the lead screw, and enabling the support to be retracted to a high position after four rollers of the roller device are supported;
seventhly, hanging the chain block on a support upper bracket hanging point, and hanging a chain on a transformer slot seat;
and step eight, pulling the chain block, moving the transformer to the bracket along the movable slide way, moving out of the transformer chamber, and then lifting the transformer away.
The roller device is used in the same step as the supporting step during the installation of the transformer, and the difference lies in that the installation of the transformer indoor is adopted, the installation of the pulley is hung on the installation of the transformer indoor, and the chain hook is hung on the transformer slot seat through the steel wire rope and pulled back to be in place.
A transformer replacing device comprises a roller device and a supporting device, wherein the roller device comprises a support connecting rod, pin holes, an adjusting lead screw, a roller, a wheel pin, a support, a thrust bearing and pin grooves, the pin grooves are formed in two ends of the roller device, the support connecting rod is arranged on the side face of the roller device, the pin holes are formed in the support connecting rod, the support is arranged in the middle of the roller device, and the adjusting lead screw is arranged on the support through the thrust bearing; a support connecting rod of the roller device is fixedly connected with the transformer slot seat through a pin hole; the wheel pins are arranged on the rollers, and after the transformer is lifted by 50MM through adjusting the lead screw, the thrust bearing and the support, the wheel pins of the rollers are adjusted into the pin grooves;
the supporting device comprises a movable slideway and a bracket, the movable slideway is placed on the outer side of the fixed support of the transformer, the bracket is arranged on the outer side of the ventilation chamber at the lower part of the transformer chamber, and the movable slideway and the bracket are fixed into a whole by bolts; the support hanging point is fixedly arranged at the tail end of the support, the chain block is hung on the support hanging point, the chain hook is hung on the transformer slot seat, and the zipper is connected with the chain hook through the chain block.
The transformer room is characterized by further comprising a re-installation hanging point and a pulley, wherein the re-installation hanging point is installed on the indoor side of the transformer room, and the pulley is hung on the re-installation hanging point.
The invention has the beneficial effects that: through adopting roller device and strutting arrangement, replace upper portion hoist and mount and must dismantle the electrically conductive copper, during the change, as long as demolish the transformer wiring, need not to demolish the wiring board on upper portion, need not the roof hoisting point, the transformer passes through the chain block of the hanging in the support outside, draws to move to the support on the back and hoists the transportation with the mobile crane for the change of transformer is very convenient safety, has shortened the change time, has improved work efficiency.
Drawings
FIG. 1 is a top view of the roller assembly of the present invention;
FIG. 2 is a front view of the roller assembly of the present invention;
FIG. 3 is a state diagram of the present invention in use;
in the figure: the device comprises a support connecting rod 1, a pin hole 2, an adjusting screw rod 3, a roller device 4, a roller 5, a wheel pin 6, a support 7, a thrust bearing 8, a pin groove 9, a chain block 10, a transformer groove seat 11, a support hanging point 12, a movable slideway 13, a chain hook 14, a bolt 15, a support 16, a zipper 17, a transformer chamber 18, a transformer 19, a transformer fixing support 20, a wire copper plate 21, a wire 22, a re-installation hanging point 23, a ventilation chamber 24 and a pulley 25.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the drawings of the embodiments, and it is obvious that the described embodiments are a small part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
A transformer replacing method comprises the following steps:
firstly, an electrician opens a brake and cuts off power, after discharging, the electrician only removes the indoor wires of the transformer without removing the copper plates of the wires;
secondly, connecting each two sets of roller devices with the transformer slot seats;
thirdly, screwing a square head of an adjusting lead screw of the roller device by using an adjustable wrench, supporting the transformer by 50MM through a thrust bearing and a support, and then adjusting four rollers of the two sets of roller devices to pin grooves at the lower parts of the roller devices;
fourthly, placing the movable slideway at the outer side of the fixed support of the transformer;
fifthly, hanging the bracket to the outer side of a ventilation chamber at the lower part of the transformer chamber, and fixing the movable slideway and the bracket into a whole by using bolts;
sixthly, lowering the transformer by adjusting the lead screw, and enabling the support to be retracted to a high position after four rollers of the roller device are supported;
seventhly, hanging the chain block on a support upper bracket hanging point, and hanging a chain on a transformer slot seat;
and step eight, pulling the chain block, moving the transformer to the bracket along the movable slide way, moving out of the transformer chamber, and then lifting the transformer away.
The roller device is used in the same step as the supporting step during the installation of the transformer, and the difference lies in that the installation of the transformer indoor is adopted, the installation of the pulley is hung on the installation of the transformer indoor, and the chain hook is hung on the transformer slot seat through the steel wire rope and pulled back to be in place.
A transformer replacing device comprises a roller device 4 and a supporting device, wherein the roller device 4 comprises a support connecting rod 1, a pin hole 2, an adjusting lead screw 3, a roller 5, a wheel pin 6, a support 7, a thrust bearing 8 and a pin groove 9, the pin groove 9 is formed in two ends of the roller device 4, the support connecting rod 1 is arranged on the side face of the roller device 4, the pin hole 2 is formed in the support connecting rod 1, the support 7 is arranged in the middle of the roller device 4, and the adjusting lead screw 3 is arranged on the support 7 through the thrust bearing 8; the support connecting rod 1 of the roller device 4 is fixedly connected with the transformer slot seat 11 through the pin hole 2; the wheel pin 6 is arranged on the roller 5, and after the transformer 19 is lifted by 50MM through the adjusting screw rod 3, the thrust bearing 8 and the support 7, the wheel pin 6 of the roller 5 is adjusted into the pin groove 9;
the supporting device comprises a movable slideway 13 and a bracket 16, the movable slideway 13 is placed on the outer side of a fixed support 20 of the transformer, the bracket 16 is arranged on the outer side of a ventilation chamber 24 at the lower part of a transformer chamber 18, and the movable slideway 13 and the bracket 16 are fixed into a whole by a bolt 15; the support hanging point 12 is fixedly arranged at the tail end of the support 16, the chain block 10 is hung on the support hanging point 12, the chain hook 14 is hung on the transformer slot seat 11, and the zipper 17 is connected with the chain hook 14 through the chain block 10.
The transformer room further comprises a reinstallation hanging point 23 and a pulley 25, wherein the reinstallation hanging point 23 is installed on the inner side of the transformer room 18, and the pulley 25 is hung on the reinstallation hanging point 23.
In practical application, in the first step, an electrician opens and shuts off the power, and after discharging, the electrician only removes the lead 22 in the transformer chamber 18 without removing the lead copper plate 21;
secondly, connecting and fastening the support connecting rod 1 of the roller device with a transformer slot seat 11 of a transformer 19 through a pin hole 2;
thirdly, screwing two adjusting screw rods 3 through a square head by using a wrench, and supporting the transformer 19 by 50MM through a thrust bearing 8 and a support 7; then adjusting the wheel pin 6 of the roller 5 into the pin slot 9;
fourthly, placing the movable slideway 13 outside the fixed support 20 of the transformer;
fifthly, hanging the bracket 16 to the outer side of a ventilation chamber 24 at the lower part of the transformer chamber 18, and fixing the movable slideway 13 and the bracket 16 into a whole by using a bolt 15;
sixthly, adjusting the lead screw 3 to lower the transformer 19, so that the support 7 is retracted to a high position after the four rollers 5 are supported;
seventhly, hanging the chain block 10 on a bracket hanging point 12 on a bracket 16, and hanging a chain hook 14 on a transformer slot seat 11;
and step eight, pulling the chain block 10, moving the transformer 19 onto the bracket 16 along the movable slide way 13, moving out of the transformer chamber 18, and then lifting the transformer 19 away.
When the transformer is installed again, the pulley 25 is hung on the installation hanging point 23, and the chain hook is hung on the transformer slot seat through the steel wire rope and pulled back to be in place.
Specific examples are as follows:
the support of a general transformer is a 12.6-channel steel, so that the matching height of a support connecting rod and the support is 100MM, the thickness of the support connecting rod is 50MM, a pin hole is 30MM, the thickness of the support is 80MM multiplied by the height of 150MM, a thrust bearing is 51206, an adjusting screw rod is Tr80 multiplied by 7, the diameter of a roller is 200MM, the thickness of the roller is 60MM, a roller bearing is 6309, the total length of a roller device is 1000MM, and the weight of a chain block is 1 ton.
Claims (4)
1. A transformer replacing method is characterized by comprising the following steps:
firstly, an electrician opens a brake and cuts off power, after discharging, the electrician only removes the indoor wires of the transformer without removing the copper plates of the wires;
secondly, connecting each two sets of roller devices with the transformer slot seats;
thirdly, screwing a square head of an adjusting lead screw of the roller device by using an adjustable wrench, supporting the transformer by 50MM through a thrust bearing and a support, and then adjusting four rollers of the two sets of roller devices to pin grooves at the lower parts of the roller devices;
fourthly, placing the movable slideway at the outer side of the fixed support of the transformer;
fifthly, hanging the bracket to the outer side of a ventilation chamber at the lower part of the transformer chamber, and fixing the movable slideway and the bracket into a whole by using bolts;
sixthly, lowering the transformer by adjusting the lead screw, and enabling the support to be retracted to a high position after four rollers of the roller device are supported;
seventhly, hanging the chain block on a support upper bracket hanging point, and hanging a chain on a transformer slot seat;
and step eight, pulling the chain block, moving the transformer to the bracket along the movable slide way, moving out of the transformer chamber, and then lifting the transformer away.
2. A method of replacing a transformer according to claim 1, wherein: the roller device is used in the same step as the supporting step during the installation of the transformer, and the difference lies in that the installation of the transformer indoor is adopted, the installation of the pulley is hung on the installation of the transformer indoor, and the chain hook is hung on the transformer slot seat through the steel wire rope and pulled back to be in place.
3. A transformer replacing device is characterized in that: the roller device comprises a roller device (4) and a supporting device, wherein the roller device (4) comprises a support connecting rod (1), a pin hole (2), an adjusting lead screw (3), a roller (5), a wheel pin (6), a support (7), a thrust bearing (8) and a pin groove (9), the pin groove (9) is formed in two ends of the roller device (4), the support connecting rod (1) is arranged on the side face of the roller device (4), the pin hole (2) is formed in the support connecting rod (1), the support (7) is arranged in the middle of the roller device (4), and the adjusting lead screw (3) is arranged on the support (7) through the thrust bearing (8); a support connecting rod (1) of the roller device (4) is fixedly connected with a transformer slot seat (11) through a pin hole (2); the wheel pin (6) is arranged on the roller (5), and after the transformer (19) is lifted by 50MM through the adjusting screw rod (3), the thrust bearing (8) and the support (7), the wheel pin (6) of the roller (5) is adjusted into the pin groove (9);
the supporting device comprises a movable slideway (13) and a bracket (16), the movable slideway (13) is placed on the outer side of a fixed support (20) of the transformer, the bracket (16) is arranged on the outer side of a ventilation chamber (24) at the lower part of a transformer chamber (18), and the movable slideway (13) and the bracket (16) are fixed into a whole by a bolt (15); the bracket hanging point (12) is fixedly arranged at the tail end of the bracket (16), the chain block (10) is hung on the bracket hanging point (12), the chain hook (14) is hung on the transformer slot seat (11), and the zipper (17) is connected with the chain hook (14) through the chain block (10).
4. A transformer changing apparatus according to claim 3, wherein: the transformer room further comprises a re-installation hanging point (23) and a pulley (25), wherein the re-installation hanging point (23) is installed on the inner side of the transformer room (18), and the pulley (25) is hung on the re-installation hanging point (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110104566.9A CN112908624A (en) | 2021-01-26 | 2021-01-26 | Transformer replacing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110104566.9A CN112908624A (en) | 2021-01-26 | 2021-01-26 | Transformer replacing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112908624A true CN112908624A (en) | 2021-06-04 |
Family
ID=76120278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110104566.9A Withdrawn CN112908624A (en) | 2021-01-26 | 2021-01-26 | Transformer replacing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112908624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982100A (en) * | 2021-11-11 | 2022-01-28 | 防城港中一重工有限公司 | Overall sliding installation method for steel gallery in complex environment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528142U (en) * | 2009-09-30 | 2010-07-14 | 吉林省金冠电气股份有限公司 | Combined box substation provided with transformer chassis truck |
| CN201667497U (en) * | 2010-01-11 | 2010-12-08 | 上海耐吉输配电设备有限公司 | Transformer room |
| CN202111388U (en) * | 2011-06-29 | 2012-01-11 | 辽宁省电力有限公司本溪供电公司 | Complete equipment for replacing transformer in power distribution booth |
| CN205231580U (en) * | 2015-10-08 | 2016-05-11 | 遵义长征输配电设备有限公司 | Easy prepackage type transformer substation of overhauing |
| CN108777214A (en) * | 2018-05-31 | 2018-11-09 | 闫福录 | A kind of fast changeable transformer and replacing options |
| CN109761146A (en) * | 2019-03-07 | 2019-05-17 | 中国十七冶集团有限公司 | A kind of transformer installation method of no hoisting platform |
-
2021
- 2021-01-26 CN CN202110104566.9A patent/CN112908624A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528142U (en) * | 2009-09-30 | 2010-07-14 | 吉林省金冠电气股份有限公司 | Combined box substation provided with transformer chassis truck |
| CN201667497U (en) * | 2010-01-11 | 2010-12-08 | 上海耐吉输配电设备有限公司 | Transformer room |
| CN202111388U (en) * | 2011-06-29 | 2012-01-11 | 辽宁省电力有限公司本溪供电公司 | Complete equipment for replacing transformer in power distribution booth |
| CN205231580U (en) * | 2015-10-08 | 2016-05-11 | 遵义长征输配电设备有限公司 | Easy prepackage type transformer substation of overhauing |
| CN108777214A (en) * | 2018-05-31 | 2018-11-09 | 闫福录 | A kind of fast changeable transformer and replacing options |
| CN109761146A (en) * | 2019-03-07 | 2019-05-17 | 中国十七冶集团有限公司 | A kind of transformer installation method of no hoisting platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982100A (en) * | 2021-11-11 | 2022-01-28 | 防城港中一重工有限公司 | Overall sliding installation method for steel gallery in complex environment |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210604 |
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| WW01 | Invention patent application withdrawn after publication |