CN105098632A - Method for repairing core of rack transformer - Google Patents
Method for repairing core of rack transformer Download PDFInfo
- Publication number
- CN105098632A CN105098632A CN201410189956.0A CN201410189956A CN105098632A CN 105098632 A CN105098632 A CN 105098632A CN 201410189956 A CN201410189956 A CN 201410189956A CN 105098632 A CN105098632 A CN 105098632A
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- China
- Prior art keywords
- transformer
- core
- suspended core
- crossbeam
- instrument
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Abstract
The invention discloses a method for repairing the core of a rack transformer and belongs to the field of power maintenance. The method is characterized by comprising: (1) installing a gate-shaped support core hoisting tool on the channel steel on the bottom of the rack transformer for repairing the core; (2) fixing the core of the rack transformer by using the gate-shaped support core hoisting tool in the step (1); (3) hoisting the core of the rack transformer by using the gate-shaped support core hoisting tool in the step (1); (4) placing the hoisted rack transformer at an appropriate position; (5) enabling a worker to check and repair the core of the rack transformer; (6) hoisting the repaired core of the rack transformer over the rack transformer by using the gate-shaped support core hoisting tool, and installing repaired core of the rack transformer; and (7) detaching the gate-shaped support core hoisting tool to complete the maintenance. The method improves overhaul efficiency of the core of the rack transformer, decreases labor intensity, and reduces an operation safety risk and repairing cost.
Description
Technical field
The invention belongs to electric power conveying equipment field, particularly a kind of method for maintaining of bench type transformer suspended core.
Background technology
Transformer in actual applications, because a variety of causes makes distribution transformer probability of failure increase, operational reliability declines, for guaranteeing safety, the stable operation of transformer, suspended core maintenance must be carried out to it, and according to power transformer maintenance directive/guide regulation: the general 5-10 of transformer should carry out suspended core maintenance, at present three kinds of modes are generally adopted to the method for maintaining of transformer suspended core: crane, manually lift or return factory, the defect adopting crane mode to exist is: because distribution line is charged, cause coefficient of safety low; Adopt the defect that manually mode of lifting exists to be: because bench type spatial transformer is narrow and small, to cause longevity of service, human cost is large, and efficiency is low; The defect returning manufacturer's formula existence is adopted to be: maintenance time is long and maintenance cost is too high.
Summary of the invention
For the defect that the method for maintaining of existing bench type transformer suspended core exists, the present invention spy proposes a kind of method for maintaining of bench type transformer suspended core, it is characterized in that: its method for maintaining is:
(1) a kind of door shaped stent suspended core instrument of installation and maintenance suspended core on bench type transformer bottom channel-section steel;
(2) with the door shaped stent suspended core instrument in step (1), bench type transformer suspended core is fixed;
(3) with the door shaped stent suspended core instrument in step (1), bench type transformer suspended core is sling;
(4) the bench type transformer sling is placed in position;
(5) staff carries out maintenance and inspection to it;
(6) transformer core will keeped in repair, utilizes a kind of door shaped stent suspended core instrument to be lifted into above transformer, installs;
(7) unload door shaped stent suspended core instrument and just complete this maintenance.
Special equipment in described step (1) is a kind of door shaped stent suspended core instrument, comprises support, chain block, lifting part, and described support comprises the base plate for being connected with transformer channel-section steel, retaining element, column, crossbeam; Described base plate is fixed on column lower end, is provided with the elongated hole adapted with transformer channel-section steel above it, for regulating the transformer adapting to different model; Described retaining element adopts one end to be threaded hook-shaped elements, and hook portion is for mounting the channel-section steel on transformer, and screw thread one end is through the hole on base plate and to adopt nut to carry out fastening, firm to ensure that whole support is connected with transformer channel-section steel; Described column adopts hollow steel pipe, and lower end is connected with base plate, and there is the bracket of grooved upper end, and grooved bracket is for holding up crossbeam, and described column has two; Described crossbeam adopts hollow steel pipe, two ends are supported on the grooved bracket on two columns respectively, centre is provided with installation elements, described installation elements is the hollow steel pipe that one section of internal diameter is greater than that crossbeam adopts the external diameter of steel pipe, be sleeved in the middle of crossbeam, U-bolt is equipped with in outside, and U-bolt is fastened in installed part periphery, and with fastening nuts; Described chain block adopts lifting element to be 1 ton of chain block of anchor chain, and chain block to be lifted on the U-bolt on installation elements and to be arranged on the crossbeam of support; Described lifting part is the one clamping instrument that shape and size are made according to the lifting specification of the core of different transformer model, and its upper end is arranged on the anchor chain lower end of chain block, and lower end and transformer core clamp;
In described step (2), the lifting part of special equipment is held on bench type transformer box cover hanger, for being sling;
With chain block the bench type transformer core fixed in step (2) sling in described step (3) and place in position, facilitating staff to keep in repair.
Accompanying drawing explanation
Fig. 1 is the structural representation of special equipment in the present invention
1. retaining element, 2. base plate, 3. column, 4. grooved bracket, 5. crossbeam, 6. installation elements, 7. chain block, 8. anchor chain, 9. lifting part.
Fig. 2 is vertical view of the present invention
1. retaining element, 2. base plate.
Fig. 3 is the structural representation of retaining element
11. hook parts, 12. nuts.
Beneficial effect
Beneficial effect of the present invention is, improves the operating efficiency of bench type transformer suspended core maintenance, reduces labour intensity, reduce job safety risk, reduce maintenance cost.
Embodiment
The specific embodiment of the present invention is:
(1) special equipment of installation and maintenance suspended core on bench type transformer bottom channel-section steel; Special equipment is a kind of door shaped stent suspended core instrument, comprises support, chain block 7, lifting part 9, and described support comprises the base plate 2 for being connected with transformer channel-section steel, retaining element 1, column 3, crossbeam 5; The described long 700mm of base plate 2, wide 100mm, be fixed on column 3 lower end, and be provided with the elongated hole adapted with transformer channel-section steel above it, described elongated hole has two, and long is 100mm, wide 20mm, for regulating the transformer adapting to different model; Described retaining element 1 is that to adopt diameter to be one end of 16mm be threaded hook-shaped elements, the long length of side 190mm of wide 85mm, hook part minor face is long is 110mm, hook part is for mounting the channel-section steel on transformer, screw thread one end is through the hole on base plate 2 and to adopt nut to carry out fastening, firm to ensure that whole support is connected with transformer channel-section steel; Described column 3 adopts hollow steel pipe, and length is 2200mm, and lower end is connected with base plate 2, and there is the bracket 4 of grooved upper end, and grooved bracket 4 adopts No. 8 channel-section steels, and length is 80mm, and for holding up crossbeam 5, described column 3 has two; Described crossbeam 5 adopts hollow steel pipe, length is 1330mm, diameter is 50mm, two ends are supported in the semi-circular bracket 4 on two columns 3 respectively, and centre is provided with installation elements 6, and described installation elements 6 is hollow steel pipes that one section of internal diameter is greater than that crossbeam 5 adopts the external diameter of steel pipe, be sleeved in the middle of crossbeam 5, outside is equipped with highly for the wide 100mm diameter of 120mm is the U-bolt of 16mm, and U-bolt is fastened in installation elements 6 periphery, and with fastening nuts; Described chain block 7 adopts lifting element to be 1 ton of chain block 7 of anchor chain 8, and chain block 7 to be lifted on the U-bolt on installation elements 6 and to be arranged on the crossbeam 5 of support; Described lifting part 9 is one clamping instruments that shape and size are made according to the lifting specification of the core of different transformer model, and its upper end is arranged on anchor chain 8 lower end of chain block, and lower end and transformer core clamp; (2) fixed by bench type transformer suspended core with the special equipment in step (1), lifting part is held on bench type transformer box cover hanger, for being sling; (3) with the special equipment in step (1), bench type transformer suspended core is sling, with chain block, the bench type transformer core fixed in step (2) is sling; (4) the bench type transformer sling is placed in position; (5) staff carries out maintenance and inspection to it; (6) transformer core will keeped in repair, utilizes a kind of door shaped stent suspended core instrument to be lifted into above transformer, installs; (7) unload door shaped stent suspended core instrument and just complete this maintenance.
Claims (2)
1. a method for maintaining for bench type transformer suspended core, is characterized in that: its method for maintaining is:
(1) a kind of door shaped stent suspended core instrument of installation and maintenance suspended core on bench type transformer bottom channel-section steel;
(2) with a kind of door shaped stent suspended core instrument in step (1), bench type transformer suspended core is fixed;
(3) with a kind of door shaped stent suspended core instrument in step (1), bench type transformer suspended core is sling;
(4) the bench type transformer sling is placed in position;
(5) staff carries out maintenance and inspection to it;
(6) transformer core will keeped in repair, utilizes a kind of door shaped stent suspended core instrument to be lifted into above transformer, installs;
(7) unload door shaped stent suspended core instrument and just complete this maintenance.
2. a door shaped stent suspended core instrument, is characterized in that: comprise support, chain block, lifting part, and described support comprises the base plate for being connected with transformer channel-section steel, retaining element, column, crossbeam; Described base plate is fixed on column lower end, is provided with the elongated hole adapted with transformer channel-section steel above it, for regulating the transformer adapting to different model; Described retaining element adopts one end to be threaded hook-shaped elements, and hook portion is for mounting the channel-section steel on transformer, and screw thread one end is through the hole on base plate and to adopt nut to carry out fastening, firm to ensure that whole support is connected with transformer channel-section steel; Described column adopts hollow steel pipe, and lower end is connected with base plate, and there is the bracket of grooved upper end, and grooved bracket is for holding up crossbeam, and described column has two; Described crossbeam adopts hollow steel pipe, two ends are supported on the grooved bracket on two columns respectively, centre is provided with installation elements, described installation elements is the hollow steel pipe that one section of internal diameter is greater than that crossbeam adopts the external diameter of steel pipe, be sleeved in the middle of crossbeam, U-bolt is equipped with in outside, and U-bolt is fastened in installed part periphery, and with fastening nuts; Described chain block adopts lifting element to be 1 ton of chain block of anchor chain, and chain block to be lifted on the U-bolt on installation elements and to be arranged on the crossbeam of support; Described lifting part is the one clamping instrument that shape and size are made according to the lifting specification of the core of different transformer model, and its upper end is arranged on the anchor chain lower end of chain block, and lower end and transformer core clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189956.0A CN105098632A (en) | 2014-05-07 | 2014-05-07 | Method for repairing core of rack transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189956.0A CN105098632A (en) | 2014-05-07 | 2014-05-07 | Method for repairing core of rack transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105098632A true CN105098632A (en) | 2015-11-25 |
Family
ID=54578513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410189956.0A Pending CN105098632A (en) | 2014-05-07 | 2014-05-07 | Method for repairing core of rack transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105098632A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858473A (en) * | 2016-03-31 | 2016-08-17 | 中国五冶集团有限公司 | Hoist fastening tool |
| CN107055343A (en) * | 2017-04-28 | 2017-08-18 | 国网山东省电力公司平原县供电公司 | A kind of new distribution transformer installs transporter |
| CN107196220A (en) * | 2017-07-19 | 2017-09-22 | 蒙彦彤 | Portable (mining) substation maintenance of electromechanical equipment mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685945A (en) * | 2008-09-26 | 2010-03-31 | 佳木斯电业局 | Repair hoisting device and method for isolating switch |
| CN201504035U (en) * | 2009-08-03 | 2010-06-09 | 安徽省电力公司蚌埠供电公司 | Isolation switch pillar insulator hoisting device |
| CN202363778U (en) * | 2011-12-15 | 2012-08-01 | 江苏省电力公司淮安供电公司 | Core hoisting tool for on-load tap-changer of transformer |
| CN102780167A (en) * | 2012-06-20 | 2012-11-14 | 江苏省电力公司泰兴市供电公司 | Scaffold for overhauling 110 kV guillotine |
| CN203826827U (en) * | 2014-05-07 | 2014-09-10 | 武陟县电业总公司 | Door-shaped bracket core hoisting tool |
-
2014
- 2014-05-07 CN CN201410189956.0A patent/CN105098632A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685945A (en) * | 2008-09-26 | 2010-03-31 | 佳木斯电业局 | Repair hoisting device and method for isolating switch |
| CN201504035U (en) * | 2009-08-03 | 2010-06-09 | 安徽省电力公司蚌埠供电公司 | Isolation switch pillar insulator hoisting device |
| CN202363778U (en) * | 2011-12-15 | 2012-08-01 | 江苏省电力公司淮安供电公司 | Core hoisting tool for on-load tap-changer of transformer |
| CN102780167A (en) * | 2012-06-20 | 2012-11-14 | 江苏省电力公司泰兴市供电公司 | Scaffold for overhauling 110 kV guillotine |
| CN203826827U (en) * | 2014-05-07 | 2014-09-10 | 武陟县电业总公司 | Door-shaped bracket core hoisting tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858473A (en) * | 2016-03-31 | 2016-08-17 | 中国五冶集团有限公司 | Hoist fastening tool |
| CN107055343A (en) * | 2017-04-28 | 2017-08-18 | 国网山东省电力公司平原县供电公司 | A kind of new distribution transformer installs transporter |
| CN107196220A (en) * | 2017-07-19 | 2017-09-22 | 蒙彦彤 | Portable (mining) substation maintenance of electromechanical equipment mechanism |
| CN107196220B (en) * | 2017-07-19 | 2019-08-23 | 广西赫博教育科技有限公司 | Portable (mining) substation maintenance of electromechanical equipment mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |
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| WD01 | Invention patent application deemed withdrawn after publication |