CN102774742B - Current transformer (CT) coil lifting device - Google Patents
Current transformer (CT) coil lifting device Download PDFInfo
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- CN102774742B CN102774742B CN201210265369.6A CN201210265369A CN102774742B CN 102774742 B CN102774742 B CN 102774742B CN 201210265369 A CN201210265369 A CN 201210265369A CN 102774742 B CN102774742 B CN 102774742B
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- coil
- suspender belt
- hanging beam
- lifting
- bracket
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- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910052573 porcelain Inorganic materials 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 238000004382 potting Methods 0.000 description 14
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a current transformer (CT) coil lifting device which comprises a hanging ring, a lifting beam and a fixing device. When a CT coil is placed on the fixing device to be fixed, only a short rope is required for firmly binding the CT coil and the fixing device; a lifting device can directly lift the CT coil and the fixing device through the hanging ring, the operation is simple, and the lifting is convenient; and when the CT coil is sleeved on an outer base portion of a casing pipe, angles of the CT coil can be adjusted by controlling the fixing device, so that a coil contour of the CT coil which is sleeved on the casing pipe can be prevented from being directly adjusted, difficulties of angle adjustment are reduced, and the risk that the porcelain casing pipe of a high voltage tank-type circuit breaker is damaged is reduced. Accordingly, the CT coil lifting device is capable of improving sleeving efficiencies and reducing sleeve installation risks.
Description
Technical field
The invention belongs to hanging apparatus technical field, particularly relate to a kind of CT(current transformer, current transformer) coil hoisting device.
Background technology
The extending capacity reformation work of high pressure potting breaker measurement loop is the principal item of current transforming plant primary equipment repair and maintenance, the object of this extending capacity reformation work is the CT coil and the signaling interface that increase high pressure potting breaker, to meet the newly-increased semaphore request of measurement of power and secondary circuit.In the process of extending capacity reformation, need newly-increased CT mounting coil in the outer root of high pressure potting breaker sleeve pipe.
In prior art, by newly-increased CT mounting coil in the outer root of high pressure potting breaker sleeve pipe, specifically adopt with the following method: adopt the direct fixation of C T coil of suspender belt, and suspender belt is hooked on the hook of weight-lifting equipment, CT coil is lifted by crane by suspender belt, afterwards, by hand fit by the outer root of CT mounting coil in high pressure potting breaker sleeve pipe.
The direct fixation of C T coil of above-mentioned employing suspender belt and suspender belt is hooked in weight-lifting equipment lifting after, in cover process of assembling, need by operating personal directly by carrying out regulation and control realization to CT coil to the control of CT coil angle, namely operating personal is needed directly to carry out operation on the ring exterior feature of the CT coil be sleeved on sleeve pipe, the personnel that are awkward grasp and control, so mode of operation brings difficulty to angular adjustment, and then the risk that the porcelain bushing also increasing high pressure potting breaker damages, thus there is excessive risk in the method for the direct fixation of C T coil of above-mentioned use suspender belt, the shortcoming of low efficiency.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of CT coil hoisting device, to facilitate when above-mentioned extending capacity reformation, reduce in cover process of assembling, CT coil angle is controlled difficulty, reduce the risk that porcelain bushing damages, and then improve the operation of CT mounting coil efficiency, reduce risk.
For this reason, the invention provides following technical scheme:
A kind of Current Transmit coil hoisting device, for lifting circuit breaker dry type annular CT coil, comprises link, hanging beam and anchor fitting, wherein:
Described link, is connected with described hanging beam;
Described anchor fitting, is connected with described hanging beam, for fixing described CT coil, make the center shaft of described CT coil in lifting process with horizontal plane.
Preferably, described anchor fitting comprises CT coil bracket and two sling devices, wherein:
Described CT coil bracket, is connected with described hanging beam by described sling device, and described CT coil bracket is polygon.
Preferably, described sling device comprises the first suspender belt and the second suspender belt, wherein:
One end of described first suspender belt is connected with described hanging beam, and the other end is connected with the middle part of described second suspender belt;
The two ends of described second suspender belt are connected with the two ends on a limit of described CT coil bracket respectively.
Preferably, described CT coil bracket is specially square, and the described foursquare length of side is the overall diameter of described CT coil.
Preferably, described CT coil bracket is made up of four straight steel of L shape.
Preferably, on CT coil bracket during fixation of C T coil, by CT coil and described CT coil bracket firm with short rope colligation.
Preferably, described CT coil hoisting device also comprises the flexible cable that two pulleys and two walk around the race of described two pulleys respectively, wherein:
Described two pulleys are suspended to the two ends of described hanging beam respectively, and respectively by two described flexible cables, are connected with the point of connection of the second suspender belt with the first suspender belt in described two sling devices.
Preferably, described hanging beam is specially channel-section steel.
Preferably, described flexible cable is specially rope.
The CT coil hoisting device that the embodiment of the present invention provides includes link, hanging beam and anchor fitting.Described anchor fitting, for fixation of C T coil, CT coil is placed into anchor fitting is fixed time, only with short rope, both need be carried out colligation firmly, weight-lifting equipment utilizes this lifting appliance to lift by crane described CT coil by described link, simple to operate, and lifting is convenient; And after lifting, utilize method of the present invention, by CT mounting coil in the process of the outer root of high pressure potting breaker sleeve pipe, can as required by carrying out to described anchor fitting the angle that regulation and control regulates CT coil, thus can avoid directly regulating the coil turn exterior feature of the CT coil be enclosed within sleeve pipe, reduce the difficulty of angular adjustment in cover process of assembling, and then the risk that the porcelain bushing reducing high pressure potting breaker damages.
To sum up, based on CT coil hoisting device of the present invention, by CT mounting coil when the outer root of high pressure potting breaker sleeve pipe, overcome above-mentioned shortcoming, improve suit efficiency and reduce suit risk.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the CT coil hoisting device that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the anchor fitting that the embodiment of the present invention provides;
Fig. 3 is the another kind of structural representation of the CT coil hoisting device that the embodiment of the present invention provides;
Fig. 4 be the embodiment of the present invention provide by the method flow diagram of CT mounting coil in circuit breaker.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of CT coil hoisting device, for lifting circuit breaker dry type annular CT coil, referring to Fig. 1, this CT coil hoisting device comprises link 100, hanging beam 200 and anchor fitting 300, wherein:
Link 100, is connected with hanging beam 200, for weight-lifting equipment lifting, suspention time as point of suspension.
Wherein, for the selection of link 100 material, as long as it can be applicable to the suspension hook hook of weight-lifting equipment.
Hanging beam 200, for carrying out load-bearing when suspending in midair to anchor fitting 300.
Particularly, in the present embodiment, based on the consideration to load-bearing aspect, hanging beam 200 adopts channel-section steel.
Anchor fitting 300, is connected with hanging beam 200, for fixation of C T coil, make the center shaft of CT coil in lifting process with horizontal plane.
Wherein, refer to Fig. 2, anchor fitting 300 comprises CT coil bracket 310 and two sling device 320, CT coil brackets 310 are connected with hanging beam 200 by two sling devices 320, and for supporting and fixation of C T coil, CT coil bracket 310 is polygon.
Particularly, in the present embodiment, CT coil bracket 310 is the foursquare support be made up of four straight steel of L shape, the foursquare length of side is the overall diameter of above-mentioned CT coil, as shown in Figure 1, the straight steel punching two ends of every root, and straight steel punching two ends place spacing is the overall diameter of CT coil, four straight steel are connected between two by the hole at its two ends, form foursquare support.And the shape that the L shape of four straight steel composition inwardly surrounds, the bottom surface of four straight steel is in same plane substantially, with applicable placement and support CT coil.
When using of the present invention, CT coil is placed on after on CT coil bracket 310, CT coil and CT coil bracket 310 can produce four contact points, at above-mentioned four contact point places, CT coil and the short rope colligation of CT coil bracket 310 firmly can be realized fixing CT coil respectively.
Wherein, above-mentioned using four contact points as binding point mode be only optimal way of the present invention, when concrete enforcement is of the present invention, as long as CT coil can be fixed on CT coil bracket 310 by the selection of binding point, equally, the shape of CT coil bracket 310 is not limited to above-mentioned square, also other shapes can be adopted, as regular hexagon etc., to the selection of its shape, be applicable to so that CT coil bracket 310 can be made placing, support and fixation of C T coil is as the criterion.
Still refer to Fig. 2, sling device 320 comprises the first suspender belt 321 and the second suspender belt 322, wherein:
One end of first suspender belt 321 is connected with hanging beam 200, and the other end is connected with the middle part of the second suspender belt 322.
The two ends of the second suspender belt 322 are connected with the two ends on a limit of CT coil bracket 310 respectively.
In the present embodiment, two limits that the second suspender belt 322 included by two sling devices 320 is connected with CT coil bracket 310 are respectively the opposite side of above-mentioned foursquare CT coil bracket 310.
Herein, it should be noted that, the composition structure of anchor fitting 300 is not limited to foregoing description, more specifically, CT coil bracket 310 included by it can be connected with hanging beam 200 by sling device 320, also can be connected with hanging beam 200 by other means, the mode that such as magnetic is connected, namely can realize lifting of the present invention, suspention function by the mode of fixed magnet on hanging beam 200 and CT coil bracket 310.
The CT coil hoisting device that the embodiment of the present invention provides includes link 100, hanging beam 200 and anchor fitting 300.Anchor fitting 300, for fixation of C T coil, CT coil is placed into anchor fitting 300 is fixed time, only need incite somebody to action both colligations firmly with short rope, weight-lifting equipment utilizes this lifting appliance to lift by crane CT coil by link 100, simple to operate, and lifting is convenient; And after lifting, by CT mounting coil in the process of the outer root of high pressure potting breaker sleeve pipe, can as required by carrying out to anchor fitting 300 angle that regulation and control regulates CT coil, thus can avoid directly regulating the coil turn exterior feature of the CT coil be enclosed within sleeve pipe, reduce the difficulty of angular adjustment in cover process of assembling, and then the risk that the porcelain bushing reducing high pressure potting breaker damages.
To sum up, based on CT coil hoisting device of the present invention, by CT mounting coil when the outer root of high pressure potting breaker sleeve pipe, overcome above-mentioned shortcoming, improve suit efficiency and reduce suit risk.
Owing to adopting the direct fixation of C T coil of suspender belt in prior art and the method for lifting by crane, being set with, be not easy to control the descending speed of CT coil in cover process of assembling, therefore in other embodiments of the present invention, refer to Fig. 3, above-mentioned CT coil hoisting device also comprises the flexible cable 500 that two pulleys 400 and two walk around the race of two pulleys 400 respectively, wherein: two pulleys 400 are suspended to the two ends of hanging beam 200 respectively, and respectively by two flexible cables 500, be connected with the point of connection of the second suspender belt 322 with the first suspender belt 321 in two sling devices 320.
Above-mentioned flexible cable can adopt rope, adhesive tape, cable wire, chain etc., and in the present embodiment, this flexible cable specifically adopts rope, and two pulleys 500 are specially fixed pulley.
In cover process of assembling, put rope speed to the descending speed of control CT coil bracket 310 by what control to walk around the rope 500 of pulley 400, and then control the descending speed of the CT coil be fixed on CT coil bracket 310, simple to operate.Thus instant invention overcomes the shortcoming of inconvenience control CT coil descending speed in prior art.
It should be noted that; when implementing of the present invention; the often end of hanging beam 200 is not limited to only suspend above-mentioned single fixed pulley in midair; also the assembly pulley be made up of some fixed pulleys and movable pulley can be suspended in midair; as long as based on the thought adopting pulley to play control CT coil descending speed in the present invention; all do not need performing creative labour, all belong to scope.
Refer to Fig. 4, based on CT coil hoisting device disclosed by the invention, the outer root of CT mounting coil in the sleeve pipe of high pressure potting breaker is specifically comprised the steps:
S1: CT coil is fixed on CT coil bracket.
S2: link is hooked on the hook of weight-lifting equipment.
S3: utilize weight-lifting equipment to be lifted by crane CT coil bracket and CT coil by link.
S4: by hand fit by the outer root of CT mounting coil in high pressure potting breaker sleeve pipe.
In the process of suit, as required by the angle of the regulation and control control CT coil to CT coil bracket, and the descending speed putting rope speed control CT coil of the rope of pulley can be walked around by control.More specifically operational details is addressed, no longer in detail elaboration is described in detail herein.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a Current Transmit coil hoisting device, for lifting circuit breaker dry type annular CT coil, is characterized in that, comprises link, flexible cable, hanging beam and anchor fitting that two pulleys and two walk around the race of described two pulleys respectively, wherein:
Described link, is connected with described hanging beam at the upper surface of described hanging beam;
Described anchor fitting, is connected with described hanging beam, for fixing described CT coil, make the center shaft of described CT coil in lifting process with horizontal plane;
Described anchor fitting comprises CT coil bracket and two sling devices, wherein:
Described CT coil bracket, is connected with described hanging beam by described sling device, and described CT coil bracket is polygon;
Described CT coil bracket is made up of four straight steel of L shape;
Described sling device comprises the first suspender belt and the second suspender belt, wherein:
One end of described first suspender belt is connected with described hanging beam, and the other end is connected with the middle part of described second suspender belt;
The two ends of described second suspender belt are connected with the two ends on a limit of described CT coil bracket respectively;
Described two pulleys are suspended to the two ends of described hanging beam respectively, and respectively by two described flexible cables, are connected with the point of connection of the second suspender belt with the first suspender belt in described two sling devices.
2. CT coil hoisting device according to claim 1, is characterized in that, on CT coil bracket during fixation of C T coil, by CT coil and described CT coil bracket firm with short rope colligation.
3. CT coil hoisting device according to claim 1, it is characterized in that, described flexible cable is specially rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210265369.6A CN102774742B (en) | 2012-07-27 | 2012-07-27 | Current transformer (CT) coil lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210265369.6A CN102774742B (en) | 2012-07-27 | 2012-07-27 | Current transformer (CT) coil lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102774742A CN102774742A (en) | 2012-11-14 |
| CN102774742B true CN102774742B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210265369.6A Active CN102774742B (en) | 2012-07-27 | 2012-07-27 | Current transformer (CT) coil lifting device |
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| CN (1) | CN102774742B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2404484B1 (en) * | 2011-11-10 | 2014-04-29 | Matis Hispania, S. A. | TRANSFORMER COIL REMOVAL AND MOLDING TOOL |
| CN104418229B (en) * | 2013-08-28 | 2016-12-28 | 中国核工业第五建设有限公司 | Nuclear power plant containment shell cooling water storage box special hanger and hanging method thereof |
| CN105514847A (en) * | 2016-02-24 | 2016-04-20 | 新疆维吾尔自治区送变电工程公司 | Mounting method of 750 KV tank type breaker |
| CN106927354A (en) * | 2017-03-17 | 2017-07-07 | 中国建筑第八工程局有限公司 | The lifting device and its hanging method of net frame ball |
| CN111809513A (en) * | 2020-07-24 | 2020-10-23 | 中国十七冶集团有限公司 | Expansion joint levelness adjusting device and method |
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| CN2644490Y (en) * | 2003-06-09 | 2004-09-29 | 上海市基础工程公司 | Hoisting, installing and adjusting device for large tonnage arch rib |
| CN2855988Y (en) * | 2005-09-29 | 2007-01-10 | 天津港第一港埠公司 | Special hook block of trail beam type heavy lorry |
| CN101195460A (en) * | 2007-12-25 | 2008-06-11 | 中铁四局集团有限公司 | Large-scale girder bottom hoisting device and method thereof |
| CN201553534U (en) * | 2009-11-10 | 2010-08-18 | 鞍钢电气有限责任公司 | Novel lifting appliance for transformer coil |
| CN202924581U (en) * | 2012-07-27 | 2013-05-08 | 国家电网公司 | CT (Current Transformer) coil hoisting device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8924933D0 (en) * | 1989-11-04 | 1989-12-28 | Slings London Ltd | Device for lifting skips |
| JPH05116881A (en) * | 1991-10-30 | 1993-05-14 | Kubota Corp | Plate-shaped lifting tool |
| CN200948995Y (en) * | 2005-12-31 | 2007-09-19 | 重庆长安汽车股份有限公司 | Plate lifting bracket |
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2012
- 2012-07-27 CN CN201210265369.6A patent/CN102774742B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2644490Y (en) * | 2003-06-09 | 2004-09-29 | 上海市基础工程公司 | Hoisting, installing and adjusting device for large tonnage arch rib |
| CN2855988Y (en) * | 2005-09-29 | 2007-01-10 | 天津港第一港埠公司 | Special hook block of trail beam type heavy lorry |
| CN101195460A (en) * | 2007-12-25 | 2008-06-11 | 中铁四局集团有限公司 | Large-scale girder bottom hoisting device and method thereof |
| CN201553534U (en) * | 2009-11-10 | 2010-08-18 | 鞍钢电气有限责任公司 | Novel lifting appliance for transformer coil |
| CN202924581U (en) * | 2012-07-27 | 2013-05-08 | 国家电网公司 | CT (Current Transformer) coil hoisting device |
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| CN102774742A (en) | 2012-11-14 |
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