CN103730231B - A kind of head cover of transformer lowering or hoisting gear - Google Patents
A kind of head cover of transformer lowering or hoisting gear Download PDFInfo
- Publication number
- CN103730231B CN103730231B CN201310715731.XA CN201310715731A CN103730231B CN 103730231 B CN103730231 B CN 103730231B CN 201310715731 A CN201310715731 A CN 201310715731A CN 103730231 B CN103730231 B CN 103730231B
- Authority
- CN
- China
- Prior art keywords
- transformer
- head cover
- support frame
- elevation structure
- hydraulicefficiency elevation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000725 suspension Substances 0.000 claims abstract description 13
- 230000003028 elevating Effects 0.000 claims abstract description 10
- 239000002023 wood Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101700050571 SUOX Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The present invention relates to a kind of head cover of transformer lowering or hoisting gear, comprise the left support frame and right support frame that are symmetricly set on the transformer body left and right sides and the left side being symmetricly set on head cover of transformer top and to argue and argue in the right side; Described left support frame arranges left hydraulicefficiency elevation structure, and the elevating lever top of left hydraulicefficiency elevation structure is inlaid in a left side and argues in the groove of bottom surface, argues and to be connected with the left suspension ring on head cover of transformer in a left side; Described right support frame arranges right hydraulicefficiency elevation structure, and the elevating lever top of right hydraulicefficiency elevation structure is inlaid in the right side and argues in the groove of bottom surface, argues and to be connected with the right suspension ring on head cover of transformer in the right side; Argued to argue with a left side and to be connected by equalizing supporting rod in the described right side.The present invention has the advantages such as structure is simple, esy to use, safe and reliable, and do not need other machine tool any just can realize freely being elevated of head cover of transformer, place under repair replacing, improves maintenance efficiency, saves maintenance time, reduces maintenance cost.
Description
Technical field
The present invention relates to grid maintenance equipment technical field, particularly relate to a kind of head cover of transformer lowering or hoisting gear.
Background technology
Transformer is one of visual plant in industrial and mining enterprises and civil buildings power supply-distribution system, usual employing oil-filled transformer, namely the device body (comprising winding and iron core) of transformer is all contained in and is full of in the fuel tank of transformer oil, fuel tank steel plate is welded into, the fuel tank of medium and small transformer is made up of the case shell be equipped with mutually and top cover, the device body of transformer is placed in case shell and forms transformer body, is opened by top cover and just can overhaul device body.
In Regulation, the important process that high-low pressure conducting rod is ordinary maintenance changed by transformer, transformer high-low-voltage conducting rod holds flimsy parts in transformer, it is fixed on head cover of transformer usually, when maintain and replace, usually head cover of transformer is needed to lift, because equipment is heavier, usual employing loop wheel machine is dismantled, move maintenance shop to and repair replacing, such traditional maintenance mode can bring following problem: transformer is heavy, cause dismounting difficulty, transport service is comparatively difficult, the situation crane that road is good or the instrument such as fork truck or bottle gouard moved by hands are pulled down and are loaded onto, also handy vehicle draws, part distribution transforming seating position is remote, vehicle is to not scene, must many people lift into carrying away, this can cause maintenance progress slow, interruption duration is long and maintenance cost is also high, tradition adopts the method for taking the lift of tripod jack to be sling by head cover of transformer, the method inefficiency, and easily rocks and transformer of damaging when lifting by crane, and causes unnecessary trouble.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of structure head cover of transformer lowering or hoisting gear simple, esy to use, safe and reliable.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of head cover of transformer lowering or hoisting gear, comprise the left support frame and right support frame that are symmetricly set on the transformer body left and right sides and arguing in the left side be symmetricly set on head cover of transformer top end face and argues in the right side (; Described left support frame arranges left hydraulicefficiency elevation structure, and the elevating lever top of left hydraulicefficiency elevation structure is inlaid in a left side and argues in the groove of bottom surface, argues and to be connected with the left suspension ring on head cover of transformer in a left side; Described right support frame arranges right hydraulicefficiency elevation structure, and the elevating lever top of right hydraulicefficiency elevation structure is inlaid in the right side and argues in the groove of bottom surface, argues and to be connected with the right suspension ring on head cover of transformer in the right side; Argued to argue with the right side and to be connected by equalizing supporting rod in a described left side.
Further improvement of the present invention is: described left support frame is fixedly mounted on transformer base by left fixed head and left set bolt, and described right support frame is fixedly mounted on transformer base by right fixed head and right set bolt.
Further improvement of the present invention is: described left hydraulicefficiency elevation structure and right hydraulicefficiency elevation structure are hydraulic jack.
Further improvement of the present invention is: also comprise left wood and right wood, described left wood and the wooden two ends, left and right be arranged between transformer body and head cover of transformer, right.
Further improvement of the present invention is: the left steady pin described transformer body being arranged fixing left wood along left end, and described transformer body arranges along right-hand member the right steady pin that the lumps of wood is determined on the solid right side.
Owing to have employed technique scheme, the technological progress acquired by the present invention is:
Head cover of transformer lowering or hoisting gear of the present invention has the advantages such as structure is simple, esy to use, safe and reliable, do not need other machine tool any just can realize freely being elevated of head cover of transformer, place under repair replacing, improves maintenance efficiency, save maintenance time, reduce maintenance cost.
Be symmetrical arranged bracing frame, hydraulicefficiency elevation structure in the left and right sides of transformer body, argue and equalizing supporting rod, by the vertical up-or-down movement of hydraulicefficiency elevation structure, can, reposefully by head cover of transformer jack-up, can prevent from due to unbalance stress, transformer body being offset; Bracing frame can be securely fixed on transformer base by fixed head and bolt, and also can mount and dismount bracing frame easily; Employing hydraulic jack is hydraulicefficiency elevation structure, and cost is low, easy and simple to handle, is convenient to the height regulating hydraulicefficiency elevation structure; By arranging the lumps of wood, the pressure of hydraulicefficiency elevation structure can be reduced, ensureing the safety of operation; Steady pin can prevent touching the safe lumps of wood in both sides at work by mistake makes it drop and lose protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is structure vertical view of the present invention;
Fig. 3 is structure right view of the present invention;
Fig. 4 is structure rearview of the present invention;
Wherein, 1, transformer body; 1-1, head cover of transformer; 1-2, left suspension ring; 1-3, right suspension ring; 1-4, transformer base; 2-1, left support frame; 2-2, right support frame; 3-1, left hydraulicefficiency elevation structure; 3-2, right hydraulicefficiency elevation structure; Argue in 4-1, a left side; Argue in 4-2, the right side; 5, equalizing supporting rod; 6-1, left fixed head; 6-2, right fixed head; 7-1, left set bolt; 7-2, right set bolt; 8-1, left wood; 8-2, right wood; 9-1, left steady pin; 9-2, right steady pin.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
Structure of the present invention as shown in Figure 1, comprise argue 4-1 and the right side of the left support frame 2-1 and right support frame 2-2 that are symmetricly set on transformer body 1 both sides and the left side be symmetrical arranged on head cover of transformer 1-1 top end face to argue 4-2, left support frame 2-1 is arranged left hydraulicefficiency elevation structure 3-1, the elevating lever top of left hydraulicefficiency elevation structure 3-1 is inlaid in a left side and argues in the groove of 4-1 bottom surface, and the left side 4-1 that argues is connected with the left suspension ring 1-2 on head cover of transformer 1-1; Right support frame 2-2 is arranged right hydraulicefficiency elevation structure 3-2, the elevating lever top of right hydraulicefficiency elevation structure 3-2 is inlaid in the right side and argues in the groove of 4-2 bottom surface, and the right side 4-2 that argues is connected with the right suspension ring 1-3 on head cover of transformer 1-1; Right side 4-2 and the left side 4-1 that argues that argues is connected by equalizing supporting rod 5; Left hydraulicefficiency elevation structure 3-1 and right hydraulicefficiency elevation structure 3-2 is jack.
Left support frame 2-1 is fixedly mounted on transformer base 1-4 by left fixed head 6-1 and left set bolt 7-1, right support frame 2-2 is fixedly mounted on transformer base 1-4 by right fixed head 6-2 and right set bolt 7-2, and left support frame 2-1 and right support frame 2-2 all can dismantle easily.On transformer body 1, the two ends on edge arrange left wood 8-1 and right wood 8-2, transformer body 1 arranges along left end the left steady pin 9-1 that lumps of wood 8-1 is determined on a solid left side, transformer body 1 arranges along right-hand member the right steady pin 9-2 that lumps of wood 8-2 is determined on the solid right side.
When using the present invention to carry out spot repair to transformer, without the need to transformer is disassembled from transformer base 1-4.Utilize transformer base 1-4 as support, two, left and right bracing frame is fixed on transformer base 1-4, then on being argued and be separately fixed on head cover of transformer 1-1 left and right suspension ring in two, left and right, again equalizing supporting rod 5 be connected to left and right two argue on, then two hydraulicefficiency elevation structures are placed on bracing frame, the elevating lever top of hydraulicefficiency elevation structure is inlaid in argues in the groove of bottom surface, open head cover of transformer 1-1 surrounding bolt, actuating hydraulicefficiency elevation structure head cover of transformer 1-1 part jack-up to proper height, put the safe lumps of wood in transformer body 1 both sides and fix with steady pin, then the replacing of high-low pressure conducting rod is carried out.
Be specially: after carrying out safety measure according to electrical safe working order (circuit pack) chapter 3 relevant regulations, remove transformer high-low-voltage drainage thread, from releasing part insulating oil oil discharging valve to proper site, open bolt around head cover of transformer 1-1, head cover of transformer 1-1 is separated with transformer body 1; Two flatwises are argued, namely on the left 4-1 and the right 4-2 that argues that the argues left suspension ring 1-2 that is bolted to transformer with two Φ 20*50 respectively and right suspension ring 1-3, and coupled together by equalizing supporting rod 5 with a Φ 12*30 bolt left side argued 4-1 and the right side 4-2 that argues, equalizing supporting rod 5 is provided with porous, is convenient to regulate fixed position; Left support frame 2-1 is fixed on the left side of transformer base 1-4 with left fixed head 6-1 and left set bolt 7-1, right support frame 2-2 is fixed on the right side of transformer base 1-4 with right fixed head 6-2 and right set bolt 7-2, bolt is Φ 16*150, and bracing frame is that 50*50*5 angle bar is welded; Two hydraulic jack are placed on two bracing frame desired part, elevating lever is inlaid in argues in the groove of bottom surface, operation jack slowly rises about 150-200 millimeter head cover of transformer 1-1, during lifting jack, rising or falling speed must be unified in both sides, keeps head cover of transformer 1-1 to be steadily elevated.On transformer body 1, a safe lumps of wood is respectively placed at the two ends on edge; and utilize head cover of transformer 1-1 and transformer body 1 upper bolt hole to put on four steady pins from top to bottom; prevent from touching at work the safe lumps of wood in both sides to make it drop to lose protection, maintenance work can be carried out to transformer by mistake.
Claims (5)
1. a head cover of transformer lowering or hoisting gear, is characterized in that: comprise the left support frame (2-1) and right support frame (2-2) that are symmetricly set on transformer body (1) left and right sides and argue (4-1) in the left side be symmetricly set on head cover of transformer (1-1) top end face and (4-2) is argued on the right side; Described left support frame (2-1) is arranged left hydraulicefficiency elevation structure (3-1), the elevating lever top of left hydraulicefficiency elevation structure (3-1) is inlaid in a left side and argues in the groove of (4-1) bottom surface, and argue in a left side (4-1) is connected with the left suspension ring (1-2) on head cover of transformer (1-1); Described right support frame (2-2) is arranged right hydraulicefficiency elevation structure (3-2), the elevating lever top of right hydraulicefficiency elevation structure (3-2) is inlaid in the right side and argues in the groove of (4-2) bottom surface, and argue in the right side (4-2) is connected with the right suspension ring (1-3) on head cover of transformer (1-1); A described left side argue (4-1) argue with the right side (4-2) be connected by equalizing supporting rod (5).
2. head cover of transformer lowering or hoisting gear according to claim 1, it is characterized in that: described left support frame (2-1) is fixedly mounted on transformer base (1-4) by left fixed head (6-1) and left set bolt (7-1), described right support frame (2-2) is fixedly mounted on transformer base (1-4) by right fixed head (6-2) and right set bolt (7-2).
3. head cover of transformer lowering or hoisting gear according to claim 1, is characterized in that: described left hydraulicefficiency elevation structure (3-1) and right hydraulicefficiency elevation structure (3-2) are hydraulic jack.
4. head cover of transformer lowering or hoisting gear according to claim 1, it is characterized in that: also comprise left wood (8-1) and right wood (8-2), described left wood (8-1) and right wood (8-2) are arranged on the two ends, left and right between transformer body (1) and head cover of transformer (1-1).
5. head cover of transformer lowering or hoisting gear according to claim 4, it is characterized in that: the left steady pin (9-1) described transformer body (1) being arranged fixing left wood (8-1) along left end, described transformer body (1) arranges along right-hand member the right steady pin (9-2) that the lumps of wood (8-2) is determined on the solid right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715731.XA CN103730231B (en) | 2013-12-23 | 2013-12-23 | A kind of head cover of transformer lowering or hoisting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715731.XA CN103730231B (en) | 2013-12-23 | 2013-12-23 | A kind of head cover of transformer lowering or hoisting gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103730231A CN103730231A (en) | 2014-04-16 |
| CN103730231B true CN103730231B (en) | 2015-12-30 |
Family
ID=50454265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310715731.XA Expired - Fee Related CN103730231B (en) | 2013-12-23 | 2013-12-23 | A kind of head cover of transformer lowering or hoisting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103730231B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107473124A (en) * | 2017-08-17 | 2017-12-15 | 芜湖挺优机电技术有限公司 | Auto repair special balancing lifting device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928217A (en) * | 2014-04-29 | 2014-07-16 | 波瑞电气有限公司 | Oil immersed transformer with core lifting device |
| CN104240902A (en) * | 2014-08-28 | 2014-12-24 | 江苏亚威变压器有限公司 | Convenient-to-overhaul three-phase three-winding on-load voltage regulating transformer box body |
| CN106711777A (en) * | 2016-12-09 | 2017-05-24 | 徐超 | Top cover opening and closing device for power cabinet |
| CN106783033A (en) * | 2017-01-04 | 2017-05-31 | 江苏亚威变压器有限公司 | Transformer support body |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM322051U (en) * | 2007-05-11 | 2007-11-11 | Fortune Electric Co Ltd | Positioning device of kiosk-type transformer's lifting cover |
| CN102689849A (en) * | 2012-06-15 | 2012-09-26 | 辽宁省电力有限公司抚顺供电公司 | Lifting device for replacing transformer |
| CN203056428U (en) * | 2012-12-09 | 2013-07-10 | 国家电网公司 | Transformer top cover opening device |
| CN203746609U (en) * | 2013-12-23 | 2014-07-30 | 国家电网公司 | Transformer top cover lifting device |
-
2013
- 2013-12-23 CN CN201310715731.XA patent/CN103730231B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM322051U (en) * | 2007-05-11 | 2007-11-11 | Fortune Electric Co Ltd | Positioning device of kiosk-type transformer's lifting cover |
| CN102689849A (en) * | 2012-06-15 | 2012-09-26 | 辽宁省电力有限公司抚顺供电公司 | Lifting device for replacing transformer |
| CN203056428U (en) * | 2012-12-09 | 2013-07-10 | 国家电网公司 | Transformer top cover opening device |
| CN203746609U (en) * | 2013-12-23 | 2014-07-30 | 国家电网公司 | Transformer top cover lifting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107473124A (en) * | 2017-08-17 | 2017-12-15 | 芜湖挺优机电技术有限公司 | Auto repair special balancing lifting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103730231A (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103730231B (en) | A kind of head cover of transformer lowering or hoisting gear | |
| CN204434191U (en) | A kind of electric power facility hanging apparatus | |
| CN103009174A (en) | Axial sliding, radial positioning and clamping mechanism for large-scale rotor shaft turnover equipment | |
| CN203568666U (en) | Transformer substation GIS (gas insulated switchgear) current transformer hoisting tool | |
| CN203746609U (en) | Transformer top cover lifting device | |
| CN102996062B (en) | Maintenance lifting platform and application method thereof | |
| CN201625859U (en) | Locomotive gearbox assembly and disassembly service cart | |
| CN101508067B (en) | Large hydraulic press frame in-situ hydraulic lift-up overturn installation method | |
| CN204732751U (en) | On-load tap-changer of transformer service kit | |
| CN202358850U (en) | Light lift-type cantilever crane | |
| CN202369321U (en) | Vibration isolating support hoist | |
| CN205132991U (en) | Become width of cloth dolly with can dismantle landing leg | |
| CN203545565U (en) | Hoist capable of moving in all directions | |
| CN204167786U (en) | A kind of accessory cart of built on stilts bus lifting | |
| CN203728491U (en) | Jacking device for heavy type parts for machining automobiles | |
| CN203218755U (en) | Hanging bracket special for electric power disconnecting switch overhauling | |
| CN202754704U (en) | Hoisting device for heating surface module of heat recovery boiler | |
| CN206408526U (en) | A kind of bridge construction hoisting bracket | |
| CN106711777A (en) | Top cover opening and closing device for power cabinet | |
| CN202073877U (en) | Cable-rope-free clamp with independent masts special for hoisting rigid steel column | |
| CN202156896U (en) | Simple lifting device | |
| CN202026014U (en) | Special isolation frame for overhauling GW16 type disconnecting link | |
| CN204737657U (en) | A movable hoisting accessory for curtain installation | |
| CN201238159Y (en) | GW4-110 type isolation switch examination stand | |
| CN204546409U (en) | A kind of hydraulic turbine maintenance sealing maintenance tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |