CN110076712B - Gear shifting tool of dry type transformer and using method thereof - Google Patents

Gear shifting tool of dry type transformer and using method thereof Download PDF

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Publication number
CN110076712B
CN110076712B CN201910531553.2A CN201910531553A CN110076712B CN 110076712 B CN110076712 B CN 110076712B CN 201910531553 A CN201910531553 A CN 201910531553A CN 110076712 B CN110076712 B CN 110076712B
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CN
China
Prior art keywords
gear shifting
plate
spring
sleeve
baffle
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CN201910531553.2A
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Chinese (zh)
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CN110076712A (en
Inventor
董洪泽
孙潇
李文景
王彭续
张译
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State Grid Corp of China SGCC
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
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State Grid Corp of China SGCC
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
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Priority to CN201910531553.2A priority Critical patent/CN110076712B/en
Publication of CN110076712A publication Critical patent/CN110076712A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/06—Spanners; Wrenches with rigid jaws of socket type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

The invention relates to a gear shifting tool of a dry-type transformer and a using method thereof, and belongs to the technical field of operation, maintenance and overhaul of transformers. The technical proposal is as follows: the left side and the right side of the connecting plate are fixedly provided with a circular ring cylinder (11), a bearing (3) is arranged in the circular ring cylinder, a sleeve adapter (4) is fixed in the bearing (3), the rear end of the sleeve adapter (4) is provided with a T-shaped handle (5), and the front end of the sleeve adapter (4) is provided with a universal sleeve (6); the lower extreme of link board is equipped with baffle slide frame (9) perpendicularly, and clamping plate (72) are located the place ahead of baffle slide frame (9), and slide bottom plate (71) run through baffle slide frame (9), and spring fixing plate (73) are located the back of baffle slide frame (9), and spring (10) set up between spring fixing plate (73) and baffle slide frame. The invention has the positive effects that: the screw bolt, the gasket and the gear shifting connecting piece can be effectively prevented from accidentally sliding down, meanwhile, the gear shifting connecting piece is more convenient to assemble and disassemble, and the working efficiency is improved.

Description

Gear shifting tool of dry type transformer and using method thereof
Technical Field
The invention relates to a gear shifting tool of a dry-type transformer and a using method thereof, and belongs to the technical field of operation, maintenance and overhaul of transformers.
Background
The dry-type transformer in operation can have adverse effects on the load due to too high or too low voltage at the low-voltage side, and the gear of the transformer is required to be manually adjusted at the moment so as to ensure that the voltage at the low-voltage side is maintained in a normal range, and the overhaul test of the dry-type transformer also involves frequent gear shifting operation.
The traditional dry-type transformer gear shifting is to disassemble bolts at two sides of a gear shifting connecting sheet by using a spanner, then move the connecting sheet to the middle of a target tap, and insert and fasten the bolts at two sides to achieve the gear shifting purpose. When the bolts are disassembled/assembled, the bolts, the gaskets and the gear shifting connecting pieces are easy to trip and fall down, most transformer chambers are small in space, the bolts, the gaskets and the gear shifting connecting pieces are not easy to pick up, and once the bolts, the gaskets and the gear shifting connecting pieces fall into the cooling fan cover at the bottom of the transformer, the bolts, the gaskets and the gear shifting connecting pieces can not be taken out in time, so that potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a gear shifting tool of a dry-type transformer and a use method thereof, which can effectively avoid unexpected sliding of a bolt, a gasket and a gear shifting connecting sheet when the gear shifting operation is carried out on the dry-type transformer, simultaneously enable the assembly and disassembly of the gear shifting connecting sheet to be more convenient, improve the working efficiency and solve the problems existing in the background technology.
The technical scheme of the invention is as follows:
the gear shifting tool for the dry-type transformer comprises a connecting plate, bearings, a sleeve adapter, a T-shaped handle, a universal sleeve, a spring baffle, a baffle slideway frame, a spring and a circular cylinder, wherein the circular cylinder is fixedly arranged on the left side and the right side of the connecting plate, the bearings are arranged in the circular cylinder, the sleeve adapter is fixed in the bearings, the T-shaped handle is arranged at the rear end of the sleeve adapter, and the universal sleeve is arranged at the front end of the sleeve adapter; the lower extreme that links the board is equipped with baffle slide frame perpendicularly, and spring baffle comprises slip bottom plate, clamping plate and spring fixed plate, and clamping plate and spring fixed plate set up respectively perpendicularly in the front and back both ends of slip bottom plate, and the clamping plate is located the front of baffle slide frame, and slip bottom plate runs through baffle slide frame, and spring fixed plate is located the back of baffle slide frame, and the spring setting is between spring fixed plate and baffle slide frame, and the rear end of spring is fixed on spring fixed plate, and the front end and the baffle slide frame of spring contact.
The connecting plate is telescopic and consists of an adjusting plate and a jacket, a plurality of adjusting holes are respectively formed in the corresponding positions of the adjusting plate and the jacket, the adjusting plate is inserted into the jacket, and the adjusting plate and the jacket are locked through a claw butterfly bolt.
The T-shaped handle consists of a handle and a square sleeve head which are connected with each other, and the sleeve joint consists of a sleeve and a plug sleeve head which are connected with each other; the square sleeve head of the T-shaped handle is embedded into the sleeve of the sleeve adapter and is welded and fixed; the plug sleeve head of the sleeve adapter is inserted into the universal sleeve.
The baffle slideway frame is provided with a slideway, the sliding bottom plate penetrates through the slideway, and the spring baffle can move back and forth along the slideway.
The square sleeve head part of the T-shaped handle is embedded into the sleeve.
The outer ring of the bearing is welded on the inner wall of the circular cylinder, and the inner ring of the bearing is welded with the sleeve adapter.
The gear shifting device further comprises a gear shifting connecting piece and two gear shifting bolts, wherein the gear shifting connecting piece is arranged between the clamping plate of the spring baffle and the two universal sleeves, and the two gear shifting bolts are respectively matched with the corresponding universal sleeves.
The spring fixing plate is an arc-shaped plate.
The clamping plate, the spring fixing plate and the baffle slideway frame are arranged in parallel.
The circular cylinder, the connecting plate and the baffle slideway frame form a main body device. The bearing, the sleeve adapter, the T-shaped handle and the universal sleeve form a transmission device. The spring and the spring baffle form a movable clamping device.
The application method of the gear shifting tool of the dry-type transformer adopts the gear shifting tool and comprises the following steps:
the disassembly process comprises the following steps:
(1) the spring fixing plate of the spring baffle is pushed by hands to deform the spring, and the spring baffle moves forwards and is separated from the plane where the front ends of the two universal sleeves are positioned;
(2) maintaining the compression state of the spring, aligning the two universal sleeves with corresponding gear shifting bolts respectively, and ensuring that the gear shifting connecting sheet is arranged between the clamping plate of the spring baffle and the two universal sleeves;
(3) loosening the spring fixing plate of the spring baffle plate, and clamping the gear shifting connecting sheet by utilizing the resilience force of the spring;
(4) rotating the T-shaped handle, and driving the gear shifting bolts to rotate by the universal sleeve until the two gear shifting bolts are separated from the transformer tap, so that the disassembly process is completed;
the installation process comprises the following steps:
(1) adjusting the angle of the gear shifting tool to enable the gear shifting bolts in the two universal sleeves to be aligned with corresponding target transformer taps respectively;
(2) rotating the T-shaped handle, and driving the gear shifting bolts to rotate by the universal sleeve until the two gear shifting bolts completely enter corresponding target transformer taps;
(3) the spring fixing plate of the spring baffle plate is pushed by hands, so that the spring baffle plate moves forwards, the gear shifting tool is taken down, the spring fixing plate of the spring baffle plate is loosened, the spring baffle plate is restored to the initial state, and the installation is completed.
In the disassembling process or the installing process, if the force generated by rotating the T-shaped handle by hand does not meet the requirement of disassembling or installing the gear shifting bolt, a spanner can be clamped at the non-embedded part of the square sleeve head of the T-shaped handle to apply force, and the disassembling or installing of the gear shifting bolt is completed in a matched mode.
The invention has the positive effects that: 1. during gear shifting operation, the gear shifting bolt and the gear shifting connecting sheet are taken as a whole to be detached and installed on a target gear, so that accidental slipping of the gear shifting bolt and the gear shifting connecting sheet can be effectively avoided, and potential safety hazards caused by the fact that the gear shifting bolt and the gear shifting connecting sheet fall into a transformer cooling fan cover are avoided; 2. when the disassembly and assembly operation is carried out, the two handles of the tool can rotate simultaneously, so that the two bolts can be disassembled/assembled synchronously, and the disassembly and assembly tool is more convenient than the traditional disassembly and assembly mode; 3. the device link plate is scalable structure, and universal sleeve is detachable structure, and above-mentioned design can make the instrument be applicable to the dry-type transformer of different models to this instrument can be used to other similar mechanical operation demands, has universality.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a perspective view of the present invention;
FIG. 5 is a schematic view of the structure of the main device of the present invention;
FIG. 6 is a schematic view of the movable clamping device of the present invention;
FIG. 7 is a schematic view of the structure of the claw-type butterfly bolt of the invention;
FIG. 8 is a schematic diagram of the transmission of the present invention;
FIG. 9 is an exploded view of the T-handle, socket adapter, universal socket of the present invention;
FIG. 10 is a schematic view of the bearing structure of the present invention;
FIG. 11 is a view showing the operation of the present invention before the shift bolt is removed;
FIG. 12 is a view showing the operation of the present invention when the shift bolt is removed;
FIG. 13 is a cross-sectional view of the invention in operation;
in the figure: the device comprises an adjusting plate 1, a claw butterfly bolt 2, a bearing 3, a sleeve adapter 4, a sleeve 41, a plug-in sleeve 42, a T-shaped handle 5, a handle 51, a square sleeve 52, a universal sleeve 6, a spring baffle 7, a sliding bottom plate 71, a clamping plate 72, a spring fixing plate 73, an outer sleeve 8, a baffle slideway frame 9, a spring 10, a circular cylinder 11, a gear shifting bolt 12 and a gear shifting connecting sheet 13.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
the gear shifting tool for the dry-type transformer comprises a connecting plate, a bearing 3, a sleeve adapter 4, a T-shaped handle 5, a universal sleeve 6, a spring baffle 7, a baffle slideway frame 9, a spring 10 and a circular cylinder 11, wherein the circular cylinder 11 is fixedly arranged on the left side and the right side of the connecting plate, the bearing 3 is arranged in the circular cylinder, the sleeve adapter 4 is fixed in the bearing 3, the T-shaped handle 5 is arranged at the rear end of the sleeve adapter 4, and the universal sleeve 6 is arranged at the front end of the sleeve adapter 4; the lower extreme of even board is equipped with baffle slide frame 9 perpendicularly, spring baffle 7 comprises slip bottom plate 71, clamping plate 72 and spring fixed plate 73 set up respectively perpendicularly at the front and back both ends of slip bottom plate 71, clamping plate 72 is located the front of baffle slide frame 9, slip bottom plate 71 runs through baffle slide frame 9, spring fixed plate 73 is located the back of baffle slide frame 9, spring 10 sets up between spring fixed plate 73 and baffle slide frame 9, the rear end of spring 10 is fixed on spring fixed plate 73, the front end of spring 10 contacts with baffle slide frame 9.
The connecting plate is telescopic and consists of an adjusting plate 1 and a jacket 8, a plurality of adjusting holes are respectively formed in the positions, corresponding to the adjusting plate 1 and the jacket 8, of the adjusting plate 1, the connecting piece 1 is inserted into the jacket 8, and the connecting piece 1 and the jacket 8 are locked through a claw butterfly bolt 2.
The T-shaped handle 5 consists of a handle 51 and a square sleeve head 52 which are connected with each other, and the sleeve adapter 4 consists of a sleeve 41 and a plug sleeve head 42 which are connected with each other; the square sleeve head 52 of the T-shaped handle 5 is embedded into the sleeve 41 of the sleeve adapter 4 and is welded and fixed; the plug bush 42 of the socket adapter 4 is inserted into the universal socket 6.
The baffle slideway frame 9 is provided with a slideway, the sliding bottom plate 71 penetrates through the slideway, and the spring baffle 7 can move back and forth along the slideway.
The square socket 52 of the T-handle 5 is partially embedded in the sleeve 41.
The outer ring of the bearing 3 is welded on the inner wall of the circular cylinder 11, and the inner ring of the bearing 3 is welded with the sleeve adapter 4.
The gear shifting device further comprises a gear shifting connecting sheet 13 and two gear shifting bolts 12, wherein the gear shifting connecting sheet 13 is arranged between the clamping plate 72 of the spring baffle 7 and the two universal sleeves 6, and the two gear shifting bolts 12 are respectively matched with the corresponding universal sleeves 6.
The spring fixing plate 73 is an arc plate.
The clamping plate 72, the spring fixing plate 73 and the shutter slide frame 9 are arranged in parallel to each other.
The application method of the gear shifting tool of the dry-type transformer adopts the gear shifting tool and comprises the following steps:
the disassembly process comprises the following steps:
(1) the spring fixing plate 73 of the spring baffle 7 is pushed by hands to deform the spring 10, and the spring baffle 7 moves forwards and is separated from the plane where the front ends of the two universal sleeves 6 are positioned;
(2) maintaining the compression state of the springs 10, aligning the two universal sleeves 6 with the corresponding shift bolts 12 respectively, and ensuring that the shift connection piece 13 is between the clamping plate 72 of the spring damper 7 and the two universal sleeves 6;
(3) the spring fixing plate 73 of the spring baffle 7 is loosened, and the gear shifting connecting sheet 13 is clamped by the resilience force of the spring 10;
(4) the T-shaped handle 5 is rotated, the universal sleeve 6 drives the gear shifting bolts 12 to rotate until the two gear shifting bolts 12 are separated from the transformer tap, and the disassembly process is completed at the moment;
the installation process comprises the following steps:
(1) adjusting the angle of the gear shifting tool to enable the gear shifting bolts 12 positioned in the two universal sleeves 6 to be aligned with corresponding target transformer taps respectively;
(2) turning the T-shaped handle 5, and driving the gear shifting bolts 12 to rotate by the universal sleeve 6 until the two gear shifting bolts 12 completely enter corresponding target transformer taps;
(3) the spring fixing plate 73 of the spring baffle plate 7 is pushed by hand, the spring baffle plate 7 is moved forward, the gear shifting tool is removed, the spring fixing plate 73 of the spring baffle plate 7 is loosened, the initial state is restored, and the installation is completed.
In the disassembling process or the assembling process, if the force generated by rotating the T-shaped handle 5 by hand does not meet the requirement of disassembling or assembling the gear shifting bolt 12, a spanner can be clamped at the non-embedded part of the square sleeve head of the T-shaped handle 5 to apply force, and the gear shifting bolt 12 is disassembled or assembled in a matched mode.
With reference to fig. 1-13, examples are:
as shown in fig. 1-4, the invention is a gear shifting tool of a dry-type transformer, comprising a connecting plate, a bearing 3, a sleeve adapter 4, a T-shaped handle 5, a universal sleeve 6, a spring baffle 7, a baffle slideway frame 9, a spring 10 and a circular cylinder 11.
As shown in fig. 5, a telescopic connecting plate (consisting of an adjusting plate 1 and a jacket 8), a baffle slideway frame 9 and a circular cylinder 11 form a tool main body part;
the left side and the right side of the telescopic connecting plate are respectively provided with a circular cylinder 11 for welding the bearing 3, the baffle slideway frame 9 is welded below the connecting plate, the mechanical structure of the connecting plate is similar to a vernier caliper, and the connecting plate can be matched with the claw butterfly bolt 2 to adapt to gear shifting connecting pieces with different lengths.
As shown in fig. 6, the spring 10 and the spring retainer 7 form a movable clamping device. The sliding bottom plate of the spring baffle 7 is arranged in a slide way of the baffle slide way frame 9, and when in operation, the clamping plate of the spring baffle 7 is matched with the two universal sleeves to clamp the gear shifting connecting sheets.
As shown in fig. 7, the claw butterfly bolt 2 includes a claw butterfly nut, a bolt, and a washer, and is used for fixing the adjusting plate 1 and the jacket 8. When in actual use, a user can adjust the adjusting holes corresponding to the fixed adjusting plate 1 and the outer sleeve 8 in advance according to the length of the gear-shifting connecting sheet related to work, and lock the fixed adjusting plate by utilizing the claw butterfly bolt 2. If the gear shifting connecting pieces with various lengths are involved, scale marks can be made on the corresponding positions of the fixed adjusting plate 1 and the outer sleeve 8 in advance, so that the gear shifting connecting piece is convenient for daily use.
As shown in fig. 8, the bearing 3, the sleeve adapter 4, the T-shaped handle 5 and the universal sleeve 6 form a transmission device, and the two transmission devices are arranged in the annular cylinders at two sides of the main body device.
The outer ring of the bearing 3 is welded on the inner wall of the circular cylinder.
The sleeve adapter 4 is welded on the inner ring of the bearing 3, the square sleeve head 52 of the T-shaped handle 5 is partially embedded into the sleeve 41 and is welded and fixed, and the non-embedded part protrudes out of the bottom surface of the sleeve 41 by 1.5cm, so that the T-shaped handle is convenient to be matched with tools such as a spanner when necessary. When in use, the two T-shaped handles 5 can be rotated simultaneously or independently.
The plug sleeve 42 of the sleeve adapter 4 is plugged with the universal sleeve 6. Different universal sleeves 6 can be correspondingly replaced according to different types of gear shifting bolts, the diameter range of the gear shifting bolts is 9mm-27mm, and the universal sleeve is suitable for the gear shifting bolts of most dry-type transformers. When the universal sleeve 6 is in work, if the type of the gear shifting bolt is not in the adaptation range of the universal sleeve 6 used at the time, or the actual operation space is narrow, the universal sleeve 6 is long, so that the universal sleeve 6 is inconvenient to operate, and the like, and can be detached and inserted into the universal sleeve of the corresponding type.

Claims (9)

1. A gear shifting tool for a dry-type transformer, characterized in that: the novel anti-theft device comprises a connecting plate, bearings (3), a sleeve adapter (4), a T-shaped handle (5), a universal sleeve (6), a spring baffle (7), a baffle slideway frame (9), springs (10) and a circular cylinder (11), wherein the circular cylinder (11) is fixedly arranged on the left side and the right side of the connecting plate, the bearings (3) are arranged in the circular cylinder, the sleeve adapter (4) is fixed in the bearings (3), the T-shaped handle (5) is arranged at the rear end of the sleeve adapter (4), and the universal sleeve (6) is arranged at the front end of the sleeve adapter (4); the lower end of the connecting plate is vertically provided with a baffle slideway frame (9), the spring baffle (7) consists of a sliding bottom plate (71), a clamping plate (72) and a spring fixing plate (73), the clamping plate (72) and the spring fixing plate (73) are respectively and vertically arranged at the front end and the rear end of the sliding bottom plate (71), the clamping plate (72) is positioned in front of the baffle slideway frame (9), the sliding bottom plate (71) penetrates through the baffle slideway frame (9), the spring fixing plate (73) is positioned at the rear of the baffle slideway frame (9), the spring (10) is arranged between the spring fixing plate (73) and the baffle slideway frame (9), the rear end of the spring (10) is fixed on the spring fixing plate (73), and the front end of the spring (10) is in contact with the baffle slideway frame (9); the novel gear shifting device further comprises a gear shifting connecting piece (13) and two gear shifting bolts (12), wherein the gear shifting connecting piece (13) is arranged between a clamping plate (72) of the spring baffle plate (7) and the two universal sleeves (6), and the two gear shifting bolts (12) are respectively matched with the corresponding universal sleeves (6).
2. A gear shifting tool for a dry-type transformer according to claim 1, wherein: the connecting plate is telescopic and consists of an adjusting plate (1) and a jacket (8), a plurality of adjusting holes are respectively formed in the positions, corresponding to the adjusting plate (1) and the jacket (8), of the connecting plate, the adjusting plate (1) is inserted into the jacket (8), and the adjusting plate (1) and the jacket (8) are locked through a claw butterfly bolt (2).
3. A gear shifting tool for a dry type transformer according to claim 1 or 2, characterized in that: the T-shaped handle (5) consists of a handle (51) and a square sleeve head (52) which are connected with each other, and the sleeve adapter (4) consists of a sleeve (41) and a plug sleeve head (42) which are connected with each other; the square sleeve head (52) of the T-shaped handle (5) is embedded into the sleeve (41) of the sleeve adapter (4) and is welded and fixed; the plug sleeve (42) of the sleeve adapter (4) is inserted into the universal sleeve (6).
4. A gear shifting tool for a dry type transformer according to claim 1 or 2, characterized in that: the baffle slideway frame (9) is provided with a slideway, the sliding bottom plate (71) penetrates through the slideway, and the spring baffle (7) can move forwards and backwards along the slideway.
5. A gear shifting tool for a dry-type transformer according to claim 3, wherein: the square sleeve head (52) of the T-shaped handle (5) is partially embedded into the sleeve (41).
6. A gear shifting tool for a dry type transformer according to claim 1 or 2, characterized in that: the outer ring of the bearing (3) is welded on the inner wall of the circular cylinder (11), and the inner ring of the bearing (3) is welded with the sleeve adapter (4).
7. A gear shifting tool for a dry type transformer according to claim 1 or 2, characterized in that: the spring fixing plate (73) is an arc-shaped plate.
8. A method of using a gear shifting tool for a dry transformer, using a gear shifting tool according to any one of claims 1-7, characterized by the steps of:
the disassembly process comprises the following steps:
(1) the spring fixing plate (73) of the spring baffle plate (7) is pushed by hands to deform the spring (10), and the spring baffle plate (7) moves forwards and is separated from the plane where the front ends of the two universal sleeves (6) are positioned;
(2) maintaining the compression state of the spring (10), aligning the two universal sleeves (6) with the corresponding gear shifting bolts (12) respectively, and ensuring that the gear shifting connecting sheet (13) is positioned between the clamping plate (72) of the spring baffle plate (7) and the two universal sleeves (6);
(3) a spring fixing plate (73) of the spring baffle plate (7) is loosened, and the gear shifting connecting sheet (13) is clamped by the resilience force of the spring (10);
(4) the T-shaped handle (5) is rotated, the universal sleeve (6) drives the gear shifting bolts (12) to rotate until the two gear shifting bolts (12) are separated from the transformer tap, and the disassembly process is completed at the moment;
the installation process comprises the following steps:
(1) adjusting the angle of the gear shifting tool to enable the gear shifting bolts (12) in the two universal sleeves (6) to be aligned with corresponding target transformer taps respectively;
(2) the T-shaped handle (5) is rotated, and the universal sleeve (6) drives the gear shifting bolts (12) to rotate until the two gear shifting bolts (12) completely enter corresponding target transformer taps;
(3) the spring fixing plate (73) of the spring baffle plate (7) is pushed by hands, so that the spring baffle plate (7) moves forwards, the gear shifting tool is taken down, the spring fixing plate (73) of the spring baffle plate (7) is loosened, the spring baffle plate is restored to the initial state, and the installation is completed.
9. The method of using a gear shifting tool for a dry-type transformer according to claim 8, wherein: in the disassembly process or the installation process, if the force generated by rotating the T-shaped handle (5) by hands does not meet the requirement of disassembling or installing the gear shifting bolt (12), a spanner can be clamped at the non-embedded part of the square sleeve head of the T-shaped handle (5) to apply force, and the gear shifting bolt (12) is disassembled or installed in a matched mode.
CN201910531553.2A 2019-06-19 2019-06-19 Gear shifting tool of dry type transformer and using method thereof Active CN110076712B (en)

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CN110076712B true CN110076712B (en) 2023-06-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201833313U (en) * 2010-08-04 2011-05-18 沧州供电公司 Oilpaper capacitor bushing maintenance tool
CN105810469A (en) * 2016-04-20 2016-07-27 国网山东省电力公司莱州市供电公司 Portable special tool for shifting transformer
CN108312096A (en) * 2018-04-08 2018-07-24 吴江远洋电气有限责任公司 A kind of maloperation formula on-load voltage regulating switch adjusting wrench device
CN208005127U (en) * 2018-04-04 2018-10-26 山西毅圣消防工程有限公司 Intelligence assembly plumbing installation
CN210010896U (en) * 2019-06-19 2020-02-04 国网冀北电力有限公司唐山供电公司 Gear shifting tool of dry type transformer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL259255B (en) * 2018-05-09 2019-07-31 Ham Let Israel Canada Ltd Flow control valve and complementary adjustment tool set

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201833313U (en) * 2010-08-04 2011-05-18 沧州供电公司 Oilpaper capacitor bushing maintenance tool
CN105810469A (en) * 2016-04-20 2016-07-27 国网山东省电力公司莱州市供电公司 Portable special tool for shifting transformer
CN208005127U (en) * 2018-04-04 2018-10-26 山西毅圣消防工程有限公司 Intelligence assembly plumbing installation
CN108312096A (en) * 2018-04-08 2018-07-24 吴江远洋电气有限责任公司 A kind of maloperation formula on-load voltage regulating switch adjusting wrench device
CN210010896U (en) * 2019-06-19 2020-02-04 国网冀北电力有限公司唐山供电公司 Gear shifting tool of dry type transformer

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