CN108735457B - Lifting mechanism for corrugated expander - Google Patents
Lifting mechanism for corrugated expander Download PDFInfo
- Publication number
- CN108735457B CN108735457B CN201810614234.3A CN201810614234A CN108735457B CN 108735457 B CN108735457 B CN 108735457B CN 201810614234 A CN201810614234 A CN 201810614234A CN 108735457 B CN108735457 B CN 108735457B
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- support
- bracket
- lifting mechanism
- fixed
- jacking block
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 210000000078 claw Anatomy 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
Abstract
The invention discloses a lifting mechanism for a corrugated expander, which comprises a square bracket, wherein a rope tightener is arranged on the front side of the square bracket, sliding rods are fixedly arranged near the left side and the right side between the front side and the rear side of the square bracket respectively, two ends of each sliding rod are provided with columnar connectors, through holes perpendicular to the columnar connectors are formed in the sliding rods, the sliding rods penetrate through the through holes, compression springs are fixedly arranged on the left side and the right side of each sliding rod between the front connector and the rear connector respectively, two support arms are arranged between the front connector and the rear connector, opposite ends of the support arms are rotatably arranged on the same upper jacking block, opposite separation ends of the support arms are rotatably arranged on the front connector and the rear connector respectively, a claw is arranged on the top surface of the upper jacking block, the middle parts of the two sliding rods are respectively provided with a first fixed pulley, the front ends of the bracket are respectively provided with a second fixed pulley, and two ropes are respectively fixed on the upper jacking block after coming out of the rope tightener from the second fixed pulleys on the left side and the right side respectively in sequence after bypassing the first fixed pulleys; the mechanism has stable and firm structure and convenient use.
Description
Technical Field
The invention relates to a lifting mechanism for a corrugated expander.
Background
The insulated current and voltage transformer is one of the main equipment in the power system, and the problem of transformer oil level reduction caused by sealing, periodical insulating oil detection and the like is common. The expander is an elastic component, is used on the oil immersed transformer and the power capacitor, can isolate transformer oil in the equipment from external air, prevents the equipment from insulating and being wet and aged, keeps the insulating performance of the equipment for a long time, and can compensate the change of the volume of oil in the equipment along with the temperature. The corrugated expander of the transformer must be supported when being complemented with oil, but no special supporting device exists at present.
Disclosure of Invention
Therefore, the invention aims to provide the lifting mechanism for the corrugated expander, which has the advantages of stable and firm structure and convenient use.
The invention aims at realizing the following technical scheme:
the lifting mechanism for the corrugated expander comprises a square support, wherein rope tighteners are arranged on the front side and the rear side of the support, sliding rods are respectively arranged near the left side and the right side between the front side and the rear side of the support, the front end and the rear end of each sliding rod are respectively fixed on the front side and the rear side of the support, columnar connectors are respectively arranged at two ends of each sliding rod, through holes perpendicular to the columnar connectors are formed in the columnar connectors, the sliding rods penetrate through the through holes, tension springs are respectively arranged on the left side and the right side of each sliding rod between the columnar connectors, two ends of each spring are respectively fixed on the front connector and the rear connector, two support arms are respectively arranged between the front connector and the rear connector, opposite ends of the two support arms are respectively arranged on the same upper top block in a rotating mode, the opposite ends of the two support arms are respectively arranged on the front connector and the rear connector, claws are respectively arranged on the top surfaces of the upper top blocks, first fixed pulleys are respectively arranged on the upper middle parts of the two slide rods, one rope passes through the second fixed pulleys on the front side of the support, the second fixed pulleys and the first fixed pulleys on the left side of the support after the rope tightener passes through the rope tightener, extension springs are respectively arranged on the second fixed pulleys on the two fixed pulleys on the side of the support, the upper ends of the support, the two fixed pulleys are respectively arranged on the upper side of the second fixed pulleys in turn, and the upper side of the second fixed pulleys are respectively.
Further, the upper jacking block is T-shaped, the rope is fixed on the lower side of the upper jacking block, and the clamping jaws are respectively arranged at the left end and the right end of the upper jacking block.
Further, the support arm comprises two plates which are oppositely arranged left and right, the top surfaces of the two plates are connected through a connecting plate, the same ends of the two plates are respectively and rotatably arranged on the connecting head, and the other same ends of the two plates are respectively and rotatably arranged on the left side and the right side of the upper jacking block.
Further, the support comprises four round bars, the round bars at the rear side of the support can be detachably arranged on the round bars at the left side and the right side of the support, and the round bars at the left side and the right side are the sliding bars.
Further, the support comprises four backup pads, and rear side backup pad one end activity sets up on the support left side, and the other end is locked on the support right side by the hasp.
Furthermore, the front side of the bracket is higher than the left side and the right side, and the sliding rod is higher than the left side and the right side.
Still further, the front side and/or the rear side of the bracket is curved in a concave-convex shape.
The beneficial effects of the invention are as follows:
according to the lifting mechanism for the corrugated expander, the rope is tightened through the hand-operated rope tightener, at the moment, the upper jacking block moves downwards under the action of the first fixed pulley, the springs are stretched, the supporting arms are opened to two sides, at the moment, the mechanism can be arranged between two platforms of the corrugated expander, when the rope is loosened, the springs are contracted, the supporting arms are folded towards the middle, the upper platform arranged on the upper jacking block can be lifted, and the lifting mechanism is stable and firm in structure and convenient to use.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a schematic view of the rear support plate of the stand of FIG. 1 shown open;
fig. 4 is a front view of the connector of fig. 1;
FIG. 5 is a top view of the arm of FIG. 1;
fig. 6 is a front view of the upper top block of fig. 1.
In the figure: 1. a bracket; 2. a rope tightener; 3. a slide bar; 4. a connector; 5. a spring; 6. a support arm; 7. an upper top block; 8. a first fixed pulley; 9. a second fixed pulley; 10. a rear support plate.
Description of the embodiments
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
As shown in fig. 1-6, the lifting mechanism for the bellows expander comprises a square bracket 1 which can be square or rectangular, wherein a rope tightener 2 is arranged at the front side of the bracket 1, the rope tightener 2 is used on the existing clothes-airing rod, sliding rods 3 are respectively arranged near the left side and the right side between the front side and the rear side of the bracket 1, the front end and the rear end of each sliding rod 3 are respectively fixed on the front side and the rear side of the bracket 1, columnar connectors 4 are respectively arranged at the two ends of each sliding rod 3, preferably cylindrical connectors 4, through holes perpendicular to the columnar connectors 4 are formed in the columnar connectors 4, the sliding rods 3 penetrate through the through holes, the connectors 4 can slide along the sliding rods 3, extension springs 5 are respectively arranged at the left side and the right side of the sliding rods 3 between the front and the rear columnar connectors 4, the two ends of each spring 5 are respectively fixed on the front connector 4 and the rear connector 4, preferably hooks are arranged at the two ends of each spring 5 for being hung on the connectors 4, the spring 5 stretches and drives the connectors 4 to move, two support arms 6 are arranged between the front connector 4 and the rear connector 4, opposite ends of the two support arms 6 are rotatably arranged on the same upper top block 7, opposite ends of the two support arms 6 are rotatably arranged on the front connector 4 and the rear connector 4 respectively, when the two connectors 4 move oppositely, the two support arms 6 are folded, when the two connectors 4 move oppositely, the two support arms 6 open, thereby realizing the lifting or lowering of the upper top block 7, the top surface of the upper top block 7 is provided with a claw which is clamped on the outer shell, the upper sides of the middle parts of the two slide bars 3 are respectively provided with a first fixed pulley 8, the upper parts of the two slide bars 3 on the front side surface of the support 1 are respectively provided with a second fixed pulley 9, the heights of the two fixed pulleys are the same, a rope is wound around the second fixed pulley 9 and the first fixed pulley 8 on the left side of the support 1 after coming out from the rope tightener 2, the other rope passes through the second fixed pulley 9 and the first fixed pulley 8 on the right side of the bracket 1 in turn after coming out of the rope tightener 2 and is fixed on the upper top block on the right side, and the connector 4 can also rotate along the sliding rod 3, so that the lifting structure can adapt to the lifting of the corrugated expander with any diameter.
The upper jacking block 7 is T-shaped, ropes are fixed on the lower side of the upper jacking block 7, and clamping jaws are respectively arranged at the left end and the right end of the upper jacking block 7.
The support arm 6 includes two boards that set up relatively about, and the top surface of two boards links to each other by the connecting plate, and the same end of two boards rotates respectively and sets up on connector 4, and the other same end of two boards rotates respectively and sets up in the left and right sides of top piece 7, and such structure is more firm.
The support 1 comprises four round bars, the round bars at the rear side of the support can be detachably arranged on the round bars at the left side and the right side of the support, the whole weight of the mechanism can be light, and the round bars at the left side and the right side are the sliding bars.
The support 1 comprises four support plates, one end of the rear support plate 10 is movably arranged on the left side of the support, the other end of the rear support plate is locked on the right side of the support by a lock catch, and when the rear support plate 10 is opened, the corrugated expander can be conveniently placed between the square supports.
The front side of the bracket 1 is higher than the left side and the right side, and the slide bar 3 is higher than the left side and the right side, so that the rotation of the connector 4 is more convenient.
The front side and/or the rear side of the bracket are/is curved into a concave-convex shape, so that the stability of the structure can be further enhanced.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (5)
1. Lifting mechanism for ripple expander, its characterized in that: the rope tightener is characterized by comprising a square bracket, wherein a rope tightener is arranged on the front side of the bracket, sliding rods are respectively arranged near the left side and the right side between the front side and the rear side of the bracket, the front end and the rear end of each sliding rod are respectively fixed on the front side and the rear side of the bracket, two ends of each sliding rod are respectively provided with a columnar connecting head, a through hole perpendicular to the columnar connecting heads is arranged on each columnar connecting head, the sliding rods pass through the through holes, extension springs are respectively arranged on the left side and the right side of each sliding rod between the front side and the rear side of each columnar connecting head, two ends of each spring are respectively fixed on the front connecting head and the rear connecting head, two support arms are respectively arranged between the front connecting head and the rear connecting head, opposite ends of the two support arms are respectively arranged on the same upper jacking block in a rotating way, the top surfaces of the upper jacking blocks are respectively provided with a claw, the upper middle parts of the two support rods are respectively provided with a first fixed pulley, one rope is respectively arranged on the upper parts of the two sliding rods on the front side of the bracket, the second fixed pulleys and the other rope is sequentially fixed on the right side of the bracket from the left side of the bracket after coming out of the rope tightener, two fixed pulleys are respectively fixed on the upper pulleys and the upper pulleys are sequentially arranged on the upper pulleys and the upper right side of the upper fixing blocks after the upper fixing blocks are sequentially from the upper right side of the upper fixing blocks of the upper side of the upper fixing blocks; the upper jacking block is T-shaped, the rope is fixed on the lower side of the upper jacking block, and the clamping jaws are respectively arranged at the left end and the right end of the upper jacking block; the support arm comprises two plates which are oppositely arranged left and right, the top surfaces of the two plates are connected by a connecting plate, the same ends of the two plates are respectively and rotatably arranged on the connecting head, and the other same ends of the two plates are respectively and rotatably arranged on the left side and the right side of the upper jacking block;
when in use, the middle part of the corrugated expander is arranged between the square brackets of the lifting mechanism for the corrugated expander, and the lifting mechanism for the corrugated expander is arranged between the two platforms of the corrugated expander.
2. The lifting mechanism for a bellows expander according to claim 1, wherein: the support comprises four round bars, and the round bars of support rear side can be dismantled and set up on the round bar of support left and right sides, and the round bar of left and right sides is the slide bar.
3. The lifting mechanism for a bellows expander according to claim 1, wherein: the support comprises four backup pads, and rear side backup pad one end activity sets up on the support left side, and the other end is locked on the support right side by the hasp.
4. A lifting mechanism for a bellows expander according to claim 3 and wherein: the front side of the support is higher than the left side and the right side, and the sliding rod is higher than the left side and the right side.
5. The lifting mechanism for a bellows expander according to claim 4, wherein: the front side and/or the rear side of the bracket are/is curved into a concave-convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614234.3A CN108735457B (en) | 2018-06-14 | 2018-06-14 | Lifting mechanism for corrugated expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614234.3A CN108735457B (en) | 2018-06-14 | 2018-06-14 | Lifting mechanism for corrugated expander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108735457A CN108735457A (en) | 2018-11-02 |
| CN108735457B true CN108735457B (en) | 2023-11-10 |
Family
ID=63929696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810614234.3A Active CN108735457B (en) | 2018-06-14 | 2018-06-14 | Lifting mechanism for corrugated expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108735457B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88210412U (en) * | 1988-04-13 | 1988-12-07 | 中国人民解放军87456部队 | Box pressure release metal expansion unit |
| CN2339635Y (en) * | 1998-03-26 | 1999-09-22 | 张建华 | Telescopical cistern cleaner |
| CN202282212U (en) * | 2011-10-28 | 2012-06-20 | 重庆博森电气集团高压电器有限公司 | Oil injection lifting device |
| CN202443822U (en) * | 2012-02-20 | 2012-09-19 | 邢台供电公司 | Expander hoisting frame |
| CN103295737A (en) * | 2013-05-15 | 2013-09-11 | 河南省电力公司平顶山供电公司 | Special oiling tool for current transformer of metal corrugated sheet type expander |
| CN204706814U (en) * | 2015-06-18 | 2015-10-14 | 江苏鑫怡电力设备有限公司 | Instrument transformer recharging oil device |
| CN105366599A (en) * | 2015-12-02 | 2016-03-02 | 国网内蒙古东部电力有限公司检修分公司 | Refueling sling of ripple expander |
| CN207158685U (en) * | 2017-08-22 | 2018-03-30 | 安徽智瑞电气有限公司 | A kind of suspension arrangement for power distribution cabinet |
| CN208521744U (en) * | 2018-06-14 | 2019-02-19 | 贵州电网有限责任公司 | Bellow expander elevating mechanism |
-
2018
- 2018-06-14 CN CN201810614234.3A patent/CN108735457B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88210412U (en) * | 1988-04-13 | 1988-12-07 | 中国人民解放军87456部队 | Box pressure release metal expansion unit |
| CN2339635Y (en) * | 1998-03-26 | 1999-09-22 | 张建华 | Telescopical cistern cleaner |
| CN202282212U (en) * | 2011-10-28 | 2012-06-20 | 重庆博森电气集团高压电器有限公司 | Oil injection lifting device |
| CN202443822U (en) * | 2012-02-20 | 2012-09-19 | 邢台供电公司 | Expander hoisting frame |
| CN103295737A (en) * | 2013-05-15 | 2013-09-11 | 河南省电力公司平顶山供电公司 | Special oiling tool for current transformer of metal corrugated sheet type expander |
| CN204706814U (en) * | 2015-06-18 | 2015-10-14 | 江苏鑫怡电力设备有限公司 | Instrument transformer recharging oil device |
| CN105366599A (en) * | 2015-12-02 | 2016-03-02 | 国网内蒙古东部电力有限公司检修分公司 | Refueling sling of ripple expander |
| CN207158685U (en) * | 2017-08-22 | 2018-03-30 | 安徽智瑞电气有限公司 | A kind of suspension arrangement for power distribution cabinet |
| CN208521744U (en) * | 2018-06-14 | 2019-02-19 | 贵州电网有限责任公司 | Bellow expander elevating mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 《110kV 互感器补油工具的研制及其在检修工作中的应用》;马汝括;《青海电力》;第54-56页 * |
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| Publication number | Publication date |
|---|---|
| CN108735457A (en) | 2018-11-02 |
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