CN110212439B - Mobile transformer maintenance auxiliary platform - Google Patents
Mobile transformer maintenance auxiliary platform Download PDFInfo
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- CN110212439B CN110212439B CN201910331966.6A CN201910331966A CN110212439B CN 110212439 B CN110212439 B CN 110212439B CN 201910331966 A CN201910331966 A CN 201910331966A CN 110212439 B CN110212439 B CN 110212439B
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- platform
- cross arm
- transformer
- adjusting
- stopping
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Ladders (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a movable transformer overhauling auxiliary platform which comprises two overhauling auxiliary units and a cross arm plate, wherein each overhauling auxiliary unit comprises a crawling ladder and a connecting frame, and the connecting frame is hinged with the crawling ladder; the link includes the platform and sets up perpendicularly in installation department and the first backstop portion of platform one side, the installation department with be equipped with the adjustment subassembly between the first backstop portion, will overhaul auxiliary device and take transformer bearing cross arm, the maintainer climbs to the platform through the cat ladder, adjusts the tight transformer bearing cross arm of adjustment subassembly clamp, alright begin maintenance work, the security is higher during the maintainer operation. The cross arm plates are erected on the two platforms, the two platforms are connected with the cross arm plates in a sliding mode and can slide to be close to or far away from each other so as to adapt to transformer bearing cross arms of different specifications, maintenance equipment is placed on the cross arm plates, two persons can work simultaneously, one side of a transformer is maintained, the working time is greatly reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of transformer maintenance, in particular to a movable auxiliary platform for transformer maintenance.
Background
With the gradual increase of the power transmission and transformation voltage of a power grid, a large-capacity outdoor transformer with the voltage level of thirty-five kilovolts or more is more and more popular in application. Thirty-five kilovolt and above large-capacity main transformers are generally installed at a higher place due to larger appearance, referring to fig. 1, most of the existing distribution transformers are only fixed by steel stranded wires in an 8 shape and placed on a transformer bearing I-shaped steel 81. Because the height is too high, when the staff overhauls and maintains the transformer, the staff need to overhaul the personnel and arrive the mounted position of transformer, and the maintenance equipment that will carry is arranged in maintenance workstation 82, just can further overhaul and maintain. The existing maintenance operation mode has the following problems that firstly, maintenance workers need to climb the pole, the labor force and the working time are increased, and the working efficiency is reduced; secondly, the maintenance workbench 82 is narrow, so that the maintenance equipment is very inconvenient to use, and the danger of maintenance personnel is high during operation.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a mobile transformer overhaul auxiliary platform.
In order to overcome the defects of the prior art, the technical scheme provided by the invention is as follows:
the invention provides a movable transformer overhauling auxiliary platform, which is characterized in that: the device comprises two maintenance auxiliary units and a cross arm plate, wherein each maintenance auxiliary unit comprises a ladder stand and a connecting frame, and the connecting frame is hinged with the ladder stand; the connecting frame comprises a platform, and an installation part and a first stopping part which are vertically arranged on one side of the platform, an adjustment assembly is arranged between the installation part and the first stopping part, the adjustment assembly comprises an adjustment part, the adjustment part is connected with the connecting frame, and the adjustment part can move towards the installation part to clamp the transformer bearing cross arm; the transverse arm plate is erected on the two platforms, and the two platforms are connected with the transverse arm plate in a sliding mode and can slide to be close to or far away from each other.
Furthermore, the cross arm plate is provided with at least one sliding groove, each platform is provided with a connecting block matched with the sliding groove, each connecting block is provided with a bolt hole, and a bolt is arranged in each bolt hole.
Furthermore, an anti-lost rope is arranged on the bolt and fixedly connected with the cross arm plate.
Furthermore, the adjusting part is an L-shaped structure matched with the shape of the transformer bearing cross arm, the adjusting assembly further comprises a first connecting part fixedly arranged on the adjusting part, and the first connecting part penetrates through the platform and can move and be fixed in the direction perpendicular to the platform.
Furthermore, a first limiting structure is arranged on a part of the first connecting part, which penetrates through the platform, and a first elastic connecting piece is arranged on a part between the first limiting structure and the platform.
Further, the adjusting assembly further comprises a second connecting portion fixedly arranged on the adjusting portion, and the second connecting portion penetrates through the first stopping portion, can move in a direction perpendicular to the first stopping portion, and is fixed.
Furthermore, the second connecting portion is provided with threads, a nut is sleeved on a portion penetrating through the first stopping portion, and a second elastic connecting piece is arranged on a portion between the first stopping portion and the adjusting portion.
Further, the connecting frame further comprises a second stopping portion, the second stopping portion is arranged on one side, away from the adjusting portion, of the first stopping portion at intervals, and the nut is sleeved on a portion between the first stopping portion and the second stopping portion.
Furthermore, the installation part is an L-shaped structure matched with the shape of the transformer bearing cross arm, and adjusting bolts are arranged on the cross edge of the L-shaped structure of the installation part.
Furthermore, the end of the adjusting bolt is provided with a damage-proof gasket.
Compared with the prior art, the invention has the beneficial effects that:
the mobile transformer overhauling auxiliary platform comprises two overhauling auxiliary units and a cross arm plate, wherein each overhauling auxiliary unit comprises a crawling ladder and a connecting frame, and the connecting frame is hinged with the crawling ladder; the link includes the platform and sets up perpendicularly in installation department and the first backstop portion of platform one side, the installation department with be equipped with the adjustment subassembly between the first backstop portion, the adjustment subassembly includes adjustment portion, adjustment portion with the link is connected, the adjustment portion can remove in order to press from both sides tight transformer bearing cross arm to the installation department, will overhaul auxiliary device and take transformer bearing cross arm, and maintainer climbs to the platform through the cat ladder, adjusts the tight transformer bearing cross arm of adjustment subassembly clamp, alright begin maintenance work, and the security is higher during the maintainer operation. The cross arm plates are erected on the two platforms, the two platforms are connected with the cross arm plates in a sliding mode and can slide to be close to or far away from each other so as to adapt to transformer bearing cross arms of different specifications, maintenance equipment is placed on the cross arm plates, two persons can work simultaneously, one side of a transformer is maintained, the working time is greatly reduced, and the working efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a conventional mobile transformer maintenance auxiliary platform;
fig. 2 is a schematic use diagram of a mobile transformer overhaul auxiliary platform provided in an embodiment of the present invention;
FIG. 3 is a partial enlarged view of the portion B in FIG. 2;
fig. 4 is a schematic structural diagram of a mobile transformer overhaul auxiliary platform provided in the embodiment of the present invention;
FIG. 5 is a partial enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic structural diagram of an adjustment assembly according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a connection frame according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a crossbar plate according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a ladder stand according to an embodiment of the present invention.
In the figure: 1-ladder stand, 2-connecting frame, 3-adjusting component, 4-transformer bearing cross arm, 5-cross arm plate, 11-rotating shaft, 21-platform, 22-mounting part, 23-first stopping part, 24-second stopping part, 25-adjusting bolt, 26-damage prevention gasket, 27-mounting hole, 28-connection, 29-bolt hole, 31-adjusting part, 32-first connecting part, 33-second connecting part, 34-first elastic connecting part, 35-second elastic connecting part, 36-first limiting structure, 37-nut, 51-bolt, 52-loss prevention rope 52, 53-locking bolt, 81-bearing I-steel and 82-maintenance workbench.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As mentioned in the background art, most distribution transformers are currently installed by fixing steel strands only in an 8-shaped manner and placing the steel strands on a load-bearing cross arm of the transformer. Because the height is too high, when the staff overhauls and maintains the transformer, the staff need the maintainer to reach the mounted position of transformer, and the maintenance equipment that will carry is arranged in and is overhauld the mesa, just can further overhaul and maintain. The existing maintenance operation mode has the following problems that firstly, maintenance workers need to climb the pole, the labor force and the working time are increased, and the working efficiency is reduced; secondly, the overhaul work table is narrow and small, so that overhaul equipment is very inconvenient to use, and the overhaul personnel are high in danger during operation.
Referring to fig. 2 to 9, the maintenance support device comprises two maintenance support units and a cross arm plate, wherein each maintenance support unit comprises a ladder stand 1 and a connecting frame 2, and the connecting frame 2 is hinged with the ladder stand 1; the connecting frame 2 comprises a platform, and an installation part 22 and a first stopping part 23 which are vertically arranged on one side of the platform, an adjusting component 3 is arranged between the installation part 22 and the first stopping part 23, the adjusting component 3 comprises an adjusting part 31, the adjusting part 31 is connected with the connecting frame 2, and the adjusting part 31 can move towards the installation part 22 to clamp the transformer bearing cross arm 4; the cross arm plate 5 is mounted on the two platforms 21, and the two platforms 21 are slidably connected to the cross arm plate 5 and can slide to approach or separate from each other.
The maintenance auxiliary device is not limited to a transformer of one type, and in order to adapt to transformers of different types, the two platforms 21 are in sliding connection with the cross arm plate 5 and can slide to be close to or far away from each other along the extending direction of the channel steel of the transformer bearing cross arm 4 so as to ensure reliable matching with the transformer bearing cross arm 4. The distance between two channel steels of transformer bearing cross arms 4 of different models is different, and the distance between two channel steels of different transformer bearing cross arms 4 is measured, so that the maximum distance between the adjusting part 31 and the mounting part 22 is larger than the maximum distance between two channel steels of different transformer bearing cross arms 4. During the in-service use with cat ladder 1 will overhaul auxiliary device's installation department 22 on a channel-section steel of transformer bearing cross arm 4, two maintainers climb to cross arm board 5 through a cat ladder 1 respectively, place maintenance equipment on cross arm board 5, then adjust another channel-section steel that adjusting part 3 pressed from both sides tight transformer bearing cross arm 4 respectively, alright begin maintenance work.
It should be noted that the two connecting frames 2 are hinged to the same side of the ladder stand 1, the hinge connection is specifically that the ladder stand 1 is provided with the rotating shaft 11, the connecting frame 2 is provided with the mounting hole 27, the rotating shaft 11 is inserted into the mounting hole 27, and the included angle between the connecting frame 2 and the ladder stand 1 is adjusted according to the height to be climbed by the maintainer.
In one embodiment, the crossbar 5 is provided with at least one sliding slot, each platform 21 is provided with a connecting block 28 matching with the sliding slot, the connecting block 28 is provided with a bolt hole 29, and a bolt 51 is arranged in the bolt hole 29. The bolt holes 29 and the bolts 51 are provided to prevent the cross arm plate 5 from being turned over in the event of unbalanced stress. Preferably, the number of the sliding grooves is two, and the two sliding grooves are arranged on the cross arm in parallel.
In one embodiment, the plug 51 is provided with an anti-lost rope 52, and the anti-lost rope 52 is fixedly connected to the crossbar 5. Specifically, the anti-lost rope 52 is fixed to the crossbar 5 by a lock bolt 53. The purpose of securing the latch 51 to the crossbar 5 by the anti-lost rope 52 is to prevent loss, to prevent the latch 51 from being re-found during installation, wasting time.
As an implementation manner, the adjusting part 31 is an "L" shaped structure adapted to the shape of the transformer load-bearing cross arm 4, the adjusting assembly 3 further includes a first connecting part 32 fixedly disposed on the adjusting part 31, and the first connecting part 32 penetrates through the platform 21, and is capable of moving and fixing in a direction perpendicular to the platform 21.
By moving the position of the first connecting portion 32, the longitudinal distance between the "L" shaped structure of the adjusting portion 31 and the transformer load bearing cross arm 4 can be adjusted to adapt to transformer load bearing cross arms 4 of different specifications.
In an implementation manner, a first limiting structure 36 is disposed on a portion of the first connecting portion 32 penetrating through the platform 21, and a first elastic connecting element 34 is disposed on a portion between the first limiting structure 36 and the platform 21.
When the longitudinal distance between the L-shaped structure of the adjusting part 31 and the transformer bearing cross arm 4 is adjusted, the first elastic connecting part 34 can apply an upward pulling force to the first connecting part 32, so that the L-shaped structure of the adjusting part 31 automatically rebounds to be attached to the transformer bearing cross arm 4, and then the adjusting part 31 is fixed at the position without manual adjustment, thereby saving time.
As an embodiment, the adjusting assembly 3 further includes a second connecting portion 33 fixedly disposed on the adjusting portion 31, and the second connecting portion 33 passes through the first stopping portion 23 and is movable and fixed in a direction perpendicular to the first stopping portion 23.
By moving the position of the second connecting portion 33, the lateral distance between the "L" shaped structure of the adjusting portion 31 and the transformer load bearing cross arm 4 can be adjusted to adapt to transformer load bearing cross arms 4 of different specifications.
A nut 37 is sleeved on a portion of the end of the second connecting portion 33, which penetrates through the first stopping portion 23, and a second elastic connecting member 35 is arranged on a portion between the first stopping portion 23 and the adjusting portion 31.
When the transverse distance between the L-shaped structure of the adjusting part 31 and the transformer bearing cross arm 4 is adjusted, the second elastic connecting piece 35 can apply a pushing force to the second connecting part 33 towards the mounting part 22, so that the L-shaped structure of the adjusting part 31 automatically rebounds to be attached to the transformer bearing cross arm 4, and then the adjusting part 31 is fixed at the position without manual adjustment, thereby saving time.
It should be noted that the end of the second connecting portion 33 is a rod-shaped structure, the nut 37 is an end of the rod-shaped structure larger than the rod body, and the elastic connecting member is a spring that is sleeved on the rod section between the first stopping portion 23 and the adjusting portion 31.
As an embodiment, the second connecting portion 33 is provided with a screw thread, a nut 37 is sleeved on a portion passing through the first stopping portion 23, and a second elastic connecting member is provided on a portion between the first stopping portion and the adjusting portion 31.
The fixing of the adjusting unit 31 means: when the L-shaped structure of the adjusting part 31 automatically rebounds to be attached to the bearing cross arm 4 of the transformer, the nut 37 is screwed to be attached to the first stopping part.
The connecting frame 2 further includes a second stopping portion 24, the second stopping portion 24 is disposed at an interval on a side of the first stopping portion 23 away from the adjusting portion 31, and the nut 37 is sleeved on a portion between the first stopping portion 23 and the second stopping portion 24.
As an implementation mode, the mounting portion 22 is an "L" shaped structure matched with the shape of the transformer load bearing cross arm 4, and the cross edge of the "L" shaped structure of the mounting portion 22 is provided with an adjusting bolt 25.
During the use process, the adjusting bolts 25 are tightened to longitudinally clamp the transformer bearing cross arms 4 with different specifications.
As an embodiment, the end of the adjusting bolt 25 is provided with a damage-proof washer 26.
The cross-sectional area of the damage prevention gasket 26 is larger than that of the adjusting bolt 25, and the damage prevention gasket 26 is made of rubber. The contact area with the transformer bearing cross arm 4 can be increased during the tightening process of the adjusting bolt 25, so that the transformer bearing cross arm is protected.
It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a portable transformer overhauls auxiliary platform which characterized in that: the device comprises two maintenance auxiliary units and a cross arm plate, wherein each maintenance auxiliary unit comprises a ladder stand and a connecting frame, and the connecting frame is hinged with the ladder stand; the connecting frame comprises a platform, and an installation part and a first stopping part which are vertically arranged on one side of the platform, an adjustment assembly is arranged between the installation part and the first stopping part, the adjustment assembly comprises an adjustment part, the adjustment part is connected with the connecting frame, and the adjustment part can move towards the installation part to clamp the transformer bearing cross arm; the transverse arm plate is erected on the two platforms, and the two platforms are connected with the transverse arm plate in a sliding mode and can slide to be close to or far away from each other; two link joints hinge in same one side of cat ladder, and the concrete mode of articulated does: set up the pivot on the cat ladder, set up the mounting hole on the link, the pivot is inserted and is established in the mounting hole, according to the contained angle of the altitude mixture control link and the cat ladder that will climb.
2. The mobile transformer overhaul auxiliary platform of claim 1, wherein: the cross arm plate is provided with at least one sliding groove, each platform is provided with a connecting block matched with the sliding groove, each connecting block is provided with a bolt hole, and a bolt is arranged in each bolt hole.
3. The mobile transformer overhaul auxiliary platform of claim 2, wherein: and an anti-lost rope is arranged on the bolt and is fixedly connected with the cross arm plate.
4. The mobile transformer overhaul auxiliary platform of any one of claims 1 to 3, wherein: the adjusting part is an L-shaped structure matched with the shape of the transformer bearing cross arm, the adjusting assembly further comprises a first connecting part fixedly arranged on the adjusting part, and the first connecting part penetrates through the platform and can move and be fixed in the direction perpendicular to the platform.
5. The mobile transformer overhaul auxiliary platform of claim 4, wherein: the first connecting part penetrates through the platform, a first limiting structure is arranged on the part of the platform, and a first elastic connecting piece is arranged on the part between the first limiting structure and the platform.
6. The mobile transformer overhaul auxiliary platform of claim 5, wherein: the adjusting assembly further comprises a second connecting part fixedly arranged on the adjusting part, and the second connecting part penetrates through the first stopping part and can move and be fixed along the direction perpendicular to the first stopping part.
7. The mobile transformer overhaul auxiliary platform of claim 6, wherein: the second connecting part is provided with threads, a nut is sleeved on the part penetrating through the first stopping part, and a second elastic connecting piece is arranged on the part between the first stopping part and the adjusting part.
8. The mobile transformer overhaul auxiliary platform of claim 7, wherein: the connecting frame further comprises a second stopping portion, the second stopping portion is arranged on one side, away from the adjusting portion, of the first stopping portion at intervals, and the nut is sleeved on the portion between the first stopping portion and the second stopping portion.
9. The mobile transformer overhaul auxiliary platform of claim 8, wherein: the installation department is "L" shape structure with transformer bearing cross arm shape looks adaptation, be equipped with adjusting bolt on the cross edge of installation department "L" shape structure.
10. The mobile transformer overhaul auxiliary platform of claim 9, wherein: and the end part of the adjusting bolt is provided with a loss-proof gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331966.6A CN110212439B (en) | 2019-04-24 | 2019-04-24 | Mobile transformer maintenance auxiliary platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331966.6A CN110212439B (en) | 2019-04-24 | 2019-04-24 | Mobile transformer maintenance auxiliary platform |
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| Publication Number | Publication Date |
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| CN110212439A CN110212439A (en) | 2019-09-06 |
| CN110212439B true CN110212439B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910331966.6A Active CN110212439B (en) | 2019-04-24 | 2019-04-24 | Mobile transformer maintenance auxiliary platform |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827653A (en) * | 2020-08-17 | 2020-10-27 | 山东钢铁股份有限公司 | Special movable platform for inspection and maintenance of sealing wall of top-loading coke oven machine side coke side regenerator |
| CN114033296A (en) * | 2021-10-29 | 2022-02-11 | 广西电网有限责任公司培训与评价中心 | Fixed cat ladder device of equipment framework |
| CN116936222B (en) * | 2023-07-27 | 2024-01-09 | 江门市天华芯科技有限公司 | Transformer convenient to overhaul |
| CN116959848B (en) * | 2023-08-10 | 2024-02-09 | 广州广高高压电器有限公司 | Transformer hanging hanger |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4146554B2 (en) * | 1998-11-05 | 2008-09-10 | 藤井電工株式会社 | Method of handling a switch in a live state by indirect hot line work using a hot stick and a switch hanging tool |
| CN201937189U (en) * | 2010-11-24 | 2011-08-17 | 北京市电力公司 | Overhaul working platform for disconnecting link |
| CN202260195U (en) * | 2011-09-09 | 2012-05-30 | 河南省电力公司信阳供电公司 | Insulating platform for power distribution rod transformer |
| CN203674590U (en) * | 2013-12-27 | 2014-06-25 | 广东电网公司肇庆供电局 | Stand construction platform |
| CN106914876A (en) * | 2017-05-05 | 2017-07-04 | 国网山东省电力公司威海市文登区供电公司 | A kind of stand transformer dedicated and application method |
| CN108649474A (en) * | 2018-07-18 | 2018-10-12 | 四川省腾达电力器材制造有限公司 | A kind of isolator maintenance platform |
| CN209805218U (en) * | 2019-04-24 | 2019-12-17 | 贵州电网有限责任公司 | Mobile transformer maintenance auxiliary platform |
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