CN103077818B - Oil tank magnetic shield installation device of power transformer - Google Patents
Oil tank magnetic shield installation device of power transformer Download PDFInfo
- Publication number
- CN103077818B CN103077818B CN201310008958.0A CN201310008958A CN103077818B CN 103077818 B CN103077818 B CN 103077818B CN 201310008958 A CN201310008958 A CN 201310008958A CN 103077818 B CN103077818 B CN 103077818B
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- Prior art keywords
- magnetic shield
- installation device
- pin
- oil tank
- swivel plate
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- 238000009434 installation Methods 0.000 title claims abstract description 27
- 239000000758 substrate Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 239000002828 fuel tank Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to an oil tank magnetic shield installation device of a power transformer. The oil tank magnetic shield installation device comprises a base plate, a rotating plate and a pin roll. The base plate is connected with the rotating plate through the pin roll. Two positioning pins which are symmetrical by taking the axis of the pin roll as a symmetric line are arranged on the rotating plate. Two connecting pipes which are symmetrical by taking the axis of the pin roll as the symmetric line are arranged on the back surface of the base plate. The oil tank magnetic shield installation device adopts a magnetic shield block which is installed on the rotating plate and is positioned by the two positioning pins. Moreover, permanent magnet lifters are respectively arranged at the two ends of the base plate and the magnetic shield block is attracted by using the magnetism of the permanent magnet lifters. The oil tank magnetic shield installation device has the advantages that the structure is simple; and since the installation device is matched with a lifting and transporting machine in use, the two connecting pipes are sheathed on two forks of the lifting and transporting machine, the lifting and transporting machine drives the installation device to rise to a certain position, then the rotating plate is rotated and the rotating plate drives the magnetic shield block to rotate, the number of operating workers is decreased to two to three from original five to six, the installation is convenient, labor-saving and time-saving to operate, and the economic benefits of enterprises are improved.
Description
Technical field
The present invention relates to oil tank magnetic shield installation device of power transformer.
Background technology
Install magnetic screen additional at the inner wall of oil tank of transformer, for reduction stray loss of transformer, improve transformer efficiency, improve transformer service conditions and have very important effect.Fuel tank internal magnetic screen block be fixedly a critical process, as the fixing bad vibration that just may produce floating potential and magnetic screen block, therefore, construction technology must ensure the correctness of installation.Magnetic screen block is strip, and length can reach 4.6 meters, and weight can reach 250 kilograms, production site in installation process, sometimes needs magnetic screen block half-twist, although can be equipped with lifting carrying machine, but lifting carrying machine can only be elevated with magnetic screen block, and can not rotate with magnetic screen block.The installation of current fuel tank inner magnetic screen comprises rotary magnetic shielding slab all by artificial, not only time-consuming, effort, take manually, and dangerous, so the installation of fuel tank inner magnetic screen is very inconvenient.
Summary of the invention
The object of the invention is to propose a kind of oil tank magnetic shield installation device of power transformer being installation magnetic screen and providing convenience.
For achieving the above object, the present invention takes following technical scheme:
The oil tank magnetic shield installation device of power transformer that the present invention proposes has substrate, swivel plate and bearing pin, by described pinned connection between substrate and swivel plate, swivel plate is provided with two alignment pins of symmetrical bearing pin axial line, the back side of substrate is provided with two tube connectors of symmetrical bearing pin axial line, two shovel forks of lifting carrying machine insert in two tube connectors respectively, two shovel forks of lifting carrying machine are respectively provided with pin-and-hole, in the pin-and-hole that the pin-and-hole of tube connector is corresponding with shovel fork, respectively insert alignment pin; The two ends of described substrate are respectively fixed with support arm, and two support arms are respectively fixed with permanent magnetic lifter.
The two ends of described substrate are respectively fixed with support arm, and two support arms are respectively fixed with permanent magnetic lifter.
The lifting face of described two permanent magnetic lifters and the front of swivel plate all in the same plane.
Every tube connector is provided with alignment pin pin-and-hole.
Described tube connector is square.
Described substrate and swivel plate central authorities are respectively equipped with pin shaft hole, and the hypomere of described pin axle portion is thread segment, and bearing pin inserts in the pin shaft hole of swivel plate and substrate, and the thread segment in its bar portion stretches out substrate, and the thread segment of bearing pin is provided with nut.
The top of described swivel plate pin shaft hole is counter sink, and the head of bearing pin is in the counter sink of swivel plate, is provided with plane bearing between the bottom surface, hole of the lower surface of the head of bearing pin and the counter sink of swivel plate.
The bottom surface, hole of the counter sink of swivel plate is provided with lower annular arc groove, and the lower surface of the head of bearing pin is provided with the upper annular arc groove relative with lower annular arc groove, and the steel ball of plane bearing rolls in upper and lower annular arc groove.
The present invention has following good effect: this fuel tank magnetic shield installation device is taked to arrange swivel plate on substrate, magnetic screen block is arranged on swivel plate, located by two alignment pins, respectively permanent magnetic lifter is provided with in addition at the two ends of substrate, utilize the magnetic of permanent magnetic lifter to hold magnetic screen block, ensure that the installation of magnetic screen block on swivel plate that magnetic screen block is especially grown is firm.This erecting device structure is simple, two tube connectors are utilized to be inserted on two shovel forks of lifting carrying machine, after driving erecting device to rise to certain position by lifting carrying machine, rotate magnetic screen block, operator reduces to 2 to 3 people by original 5 to 6 people, so the present invention easy to operate and laborsaving, save time, be conducive to enterprise and increase economic efficiency.
Accompanying drawing explanation
Fig. 1 is this erecting device structural representation.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the upward view of Fig. 1.
Fig. 4 is the end view of Fig. 1.
Fig. 5 is Fig. 1 pinned connection magnified partial view.
Fig. 6 is the application drawing of this erecting device.
Fig. 7 is the rotation schematic diagram of this erecting device swivel plate.
Embodiment
Embodiment 1
See Fig. 1 to Fig. 4, this oil tank magnetic shield installation device of power transformer has lifting carrying machine B, substrate 1, swivel plate 2 and bearing pin 3.
Substrate 1 central authorities are provided with pin shaft hole 1-1, and the central authorities of swivel plate 2 are provided with pin shaft hole 2-1, and the top of the pin shaft hole 2-1 of swivel plate 2 is counter sink 2-2.Described bearing pin 3 is T-shaped, there is head 3-1 and bar portion 3-2, the hypomere of bar portion 3-2 is thread segment, bearing pin 3 inserts in the pin shaft hole of swivel plate 2 and substrate 1, the head 3-1 of bearing pin 3 is in the counter sink 2-2 of swivel plate 2, plane bearing 8 is provided with between the bottom surface, hole of the lower surface of the head 3-1 of bearing pin 3 and the counter sink 2-2 of swivel plate 2, the bottom surface, hole of the counter sink 2-2 of swivel plate 2 is provided with lower annular arc groove 2-3, the lower surface of the head 3-1 of bearing pin 3 is provided with the upper annular arc groove 3-3 relative with lower annular arc groove 2-3, the steel ball 8-1 of plane bearing 8 is upper, roll in lower annular arc groove, make the rotation of swivel plate 2 flexible, laborsaving.The thread segment of the bar portion 3-2 of bearing pin 3 stretches out substrate 1, and the thread segment of bearing pin 3 is provided with plain washer 11, spring washer 12 and nut 10.
Swivel plate 2 is provided with the left and right alignment pin 4,4 of symmetrical bearing pin 3 axial line, and the back side of substrate 1 is provided with the left and right tube connector 7,7 claiming bearing pin 3 axial line.For preventing in use, the object be arranged on lifting carrying machine is moved, and every tube connector 7 is provided with the alignment pin pin-and-hole 7-1 that can be connected with shovel bolt, and tube connector 7 adopts square simultaneously.
The two ends of described swivel plate 2 are fixed with left and right support arm 5,5 respectively, and left and right support arm 5,5 is respectively fixed with type hand permanent magnetic lifter 6.The lifting face 6a of described two the permanent magnetic lifters 6 and front 2a of swivel plate 2 is all in the same plane.Permanent magnetic lifter 6 is buied from market, overturns the change magnetic line of force make ground jack be in work or closed condition by handle 6-1.Permanent magnetic lifter 6 is powered without the need to the external world, is one both energy-saving safes, high efficiency New crane instrument again.When ground jack is in running order, the lifting face of permanent magnetic lifter constitutes a pair longitudinal magnetic pole, the work package of iron material is held firmly.
See Fig. 6 and Fig. 7, lifting carrying machine B is in transformer bell type tank A, the two shovel fork B-1 of lifting carrying machine B insert in two tube connectors 7 respectively, and two shovels of lifting carrying machine B are pitched on B-1 and are respectively provided with pin-and-hole, each insertion alignment pin D in the pin-and-hole that the pin-and-hole 7-1 of tube connector 7 is corresponding with shovel fork B-1.The position of the left and right alignment pin 4,4 on magnetic screen block C on corresponding rotation plate 2 is provided with two dowel holes of coupling, magnetic screen block C utilizes two dowel holes to be connected on swivel plate 2, left and right permanent magnetic lifter 6 is utilized to hold magnetic screen block C, lifting carrying machine B drives magnetic screen block C to rise to certain altitude, and manual rotation's magnetic screen block C is to upright position.
Claims (8)
1. an oil tank magnetic shield installation device of power transformer, it is characterized in that: there is lifting carrying machine (B), substrate (1), swivel plate (2) and bearing pin (3), connected by described bearing pin (3) between substrate (1) and swivel plate (2), swivel plate (2) is provided with two alignment pins (4 of symmetrical bearing pin (3) axial line, 4), the back side of substrate (1) is provided with two tube connectors (7 of symmetrical bearing pin (3) axial line, 7), two shovels fork (B-1) of lifting carrying machine (B) insert in two tube connectors (7) respectively, two shovels fork (B-1) of lifting carrying machine (B) are respectively provided with pin-and-hole, alignment pin (D) is respectively inserted in the pin-and-hole of the pin-and-hole (7-1) in tube connector (7) and shovel fork (B-1) correspondence.
2. oil tank magnetic shield installation device of power transformer according to claim 1, is characterized in that: the two ends of described substrate (1) are respectively fixed with support arm (5), and (5,5) are respectively fixed with permanent magnetic lifter (6) to two support arms.
3. oil tank magnetic shield installation device of power transformer according to claim 2, is characterized in that: the lifting face (6a) of described two permanent magnetic lifters (6,6) and the front (2a) of swivel plate (2) all in the same plane.
4. oil tank magnetic shield installation device of power transformer according to claim 1, is characterized in that: every tube connector (7) is provided with alignment pin pin-and-hole (7-1).
5. oil tank magnetic shield installation device of power transformer according to claim 1, is characterized in that: described tube connector (7) is square.
6. oil tank magnetic shield installation device of power transformer according to claim 1, it is characterized in that: described substrate (1) and swivel plate (2) central authorities are respectively equipped with pin shaft hole (1-1,2-1), the hypomere in described bearing pin (3) bar portion (3-2) is thread segment, bearing pin (3) inserts in the pin shaft hole of swivel plate (2) and substrate (1), the thread segment in its bar portion (3-2) stretches out substrate (1), and the thread segment of bearing pin (3) is provided with nut (10).
7. oil tank magnetic shield installation device of power transformer according to claim 6, it is characterized in that: the top of described swivel plate (2) pin shaft hole (2-1) is counter sink (2-2), the head (3-1) of bearing pin (3) is in the counter sink (2-2) of swivel plate (2), is provided with plane bearing (8) between the bottom surface, hole of the lower surface of the head (3-1) of bearing pin (3) and the counter sink (2-2) of swivel plate (2).
8. oil tank magnetic shield installation device of power transformer according to claim 7, it is characterized in that: on the bottom surface, hole of the counter sink (2-2) of swivel plate (2), be provided with lower annular arc groove (2-3), the lower surface of the head (3-1) of bearing pin (3) is provided with the upper annular arc groove (3-3) relative with lower annular arc groove (2-3), and the steel ball (8-1) of plane bearing (8) rolls in upper and lower annular arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008958.0A CN103077818B (en) | 2013-01-10 | 2013-01-10 | Oil tank magnetic shield installation device of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008958.0A CN103077818B (en) | 2013-01-10 | 2013-01-10 | Oil tank magnetic shield installation device of power transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103077818A CN103077818A (en) | 2013-05-01 |
| CN103077818B true CN103077818B (en) | 2015-07-15 |
Family
ID=48154321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310008958.0A Active CN103077818B (en) | 2013-01-10 | 2013-01-10 | Oil tank magnetic shield installation device of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103077818B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485488U (en) * | 2009-07-09 | 2010-05-26 | 无锡动力工程股份有限公司 | Cone-and-socket local centering rotation device |
| CN201573063U (en) * | 2009-12-17 | 2010-09-08 | 杨慧勇 | Rotatable positioning tool |
| CN201975215U (en) * | 2010-12-21 | 2011-09-14 | 鞍钢电气有限责任公司 | Closed assembly tool for transformer iron core |
| CN202628744U (en) * | 2012-04-28 | 2012-12-26 | 苏州市邓尉喷胶棉厂 | Detachable screw anti-looseness component |
| CN102837286A (en) * | 2011-06-21 | 2012-12-26 | 纽弗雷公司 | Metal collar and mounting method thereof |
| CN203150382U (en) * | 2013-01-10 | 2013-08-21 | 中电装备东芝（常州）变压器有限公司 | Magnetic shielding installing device for power transformer tank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000183580A (en) * | 1998-12-17 | 2000-06-30 | Daido Steel Co Ltd | Magnetic shielding room |
-
2013
- 2013-01-10 CN CN201310008958.0A patent/CN103077818B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485488U (en) * | 2009-07-09 | 2010-05-26 | 无锡动力工程股份有限公司 | Cone-and-socket local centering rotation device |
| CN201573063U (en) * | 2009-12-17 | 2010-09-08 | 杨慧勇 | Rotatable positioning tool |
| CN201975215U (en) * | 2010-12-21 | 2011-09-14 | 鞍钢电气有限责任公司 | Closed assembly tool for transformer iron core |
| CN102837286A (en) * | 2011-06-21 | 2012-12-26 | 纽弗雷公司 | Metal collar and mounting method thereof |
| CN202628744U (en) * | 2012-04-28 | 2012-12-26 | 苏州市邓尉喷胶棉厂 | Detachable screw anti-looseness component |
| CN203150382U (en) * | 2013-01-10 | 2013-08-21 | 中电装备东芝（常州）变压器有限公司 | Magnetic shielding installing device for power transformer tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103077818A (en) | 2013-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 213002 No. 86 middle Longjiang Road, Jiangsu, Changzhou Applicant after: CHANGZHOU TOSHIBA TRANSFORMER Co.,Ltd. Address before: 213000 Jiangsu province Changzhou City five star ring bridge Applicant before: CET Toshiba (Changzhou) Transformer Co.,Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: CET TOSHIBA (CHANGZHOU) TRANSFORMER CO., LTD. TO: CHANGZHOU TOSHIBA TRANSFORMER CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 86, Longjiang Middle Road, Changzhou City, Jiangsu Province, 213012 Patentee after: Shandong Electric Group Changzhou Dongzhi Transformer Co.,Ltd. Country or region after: China Address before: No. 86 Longjiang Middle Road, Changzhou City, Jiangsu Province 213002 Patentee before: CHANGZHOU TOSHIBA TRANSFORMER Co.,Ltd. Country or region before: China |