CN220056038U - Transfer protection tool for collecting ring of hydraulic generator - Google Patents
Transfer protection tool for collecting ring of hydraulic generator Download PDFInfo
- Publication number
- CN220056038U CN220056038U CN202320774326.4U CN202320774326U CN220056038U CN 220056038 U CN220056038 U CN 220056038U CN 202320774326 U CN202320774326 U CN 202320774326U CN 220056038 U CN220056038 U CN 220056038U
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- Prior art keywords
- collecting ring
- ring
- collecting
- rod
- hydraulic generator
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The transportation protection tool for the collecting ring of the hydraulic generator comprises a base, wherein a vertical lifting rod is arranged at the center of the base, the lower end of the lifting rod is fixed on the base, and a lifting hook is arranged at the upper end of the lifting rod; an upper collecting ring ejector rod and a lower collecting ring ejector rod are arranged on the side wall of the lifting rod, and the collecting ring ejector rods are used for propping up the inner ring surface of the collecting ring; an outer ring surface protective cover is arranged on the base and is used for covering and protecting the outer ring surface of the collector ring ejector rod. The utility model adopts the above-mentioned structure, can realize that the collecting ring is transported and is deposited the convenient and safe purpose of process, solve the collecting ring and collide with, corrosion problem, guaranteed collecting ring anchor face finish to generator maintenance operating efficiency has been improved.
Description
Technical Field
The utility model relates to the technical field of generator overhaul, in particular to a transportation protection tool for a collecting ring of a hydraulic generator.
Background
The collecting ring is also called a conducting ring, a slip ring and the like, is an important component of the hydraulic generator, and plays roles of inputting/outputting current and reversing in the generator. The material of the slip ring is required to have high mechanical strength, to be an electrically good conductor, and to have corrosion resistance, and to have wear resistance and stable sliding contact characteristics when in sliding contact with the brushes.
When the hydraulic generator is overhauled, the collecting ring needs to be maintained, and if the electric corrosion of the annular surface of the collecting ring is serious, the annular surface of the collecting ring needs to be processed (cladding or turning) if necessary. Because the hydraulic generator is generally longer in overhaul and stop time, the ring surface is easy to be collided by foreign matters in the transferring and storing processes of the collecting ring, and particularly in an underground factory building, the ring surface can be corroded and the like after long-term storage. Therefore, the protection of the collecting ring is particularly important in the overhaul process of the hydraulic generator.
At present, in the overhaul process of the hydraulic generator, when the collecting ring is detached, transported and stored, the annular surface of the collecting ring is temporarily wrapped and protected by wool felt and the like, the annular surface is inspected periodically, antirust oil is coated on the annular surface, and oil absorbing paper is adhered to the annular surface. The method is simple and easy to operate, but has hidden danger of collision and rust on the ring surface of the collecting ring, and the periodic inspection and rust prevention treatment are labor-and labor-consuming.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a transfer protection tool for the collecting ring of the hydraulic generator, which can realize the purposes of convenience and safety in the transfer and storage processes of the collecting ring, solve the problems of collision and rust of the collecting ring, ensure the smoothness of the ring surface of the collecting ring and improve the maintenance operation efficiency of the generator.
In order to solve the technical problems, the utility model adopts the following technical scheme: the transportation protection tool for the collecting ring of the hydraulic generator comprises a base, wherein a vertical lifting rod is arranged at the center of the base, the lower end of the lifting rod is fixed on the base, and a lifting hook is arranged at the upper end of the lifting rod;
an upper collecting ring ejector rod and a lower collecting ring ejector rod are arranged on the side wall of the lifting rod, and the collecting ring ejector rods are used for propping up the inner ring surface of the collecting ring;
an outer ring surface protective cover is arranged on the base and is used for covering and protecting the outer ring surface of the collector ring ejector rod.
In the preferred scheme, the collecting ring ejector rod be the cavity pole, its one end opening that keeps away from the hoist and mount pole, the activity is equipped with an adjusting nut on the open end, screw-thread fit is equipped with adjusting threaded rod in the adjusting nut, adjusting threaded rod one end stretches into in the collecting ring ejector rod, is equipped with the arc roof on the other end.
In the preferred scheme, the outer ring face protection casing be upper and lower open-ended hollow cylinder structure, be equipped with at least three foraminiferous otic placode in the inboard equipartition of the top surface of outer ring face protection casing, the collecting ring screw rod upper end on the collecting ring passes area Kong Er board and cooperates the nut to realize the connection between outer ring face protection casing and the collecting ring.
In the preferred scheme, the concave cambered surface of arc roof and adjusting threaded rod end connection fixed, be equipped with soft buffer layer on the protruding cambered surface of arc roof and with the interior anchor ring contact of collector ring.
In the preferred scheme, the single group of collecting ring ejector rods comprises at least three collecting ring ejector rods, and the collecting ring ejector rods are uniformly distributed on the same horizontal plane at equal included angles.
In a preferred scheme, the outer ring surface protective cover comprises an outer metal shell body and an oil absorption cotton layer arranged on the inner wall of the metal shell body.
The transfer protection tool for the collecting ring of the hydraulic generator has the following beneficial effects by adopting the structure:
(1) The base is matched with the outer ring surface protective cover to seal the side part and the lower part of the collecting ring, so that the problem of collision and pollution of the collecting ring in the hoisting process is solved;
(2) The length of the adjusting threaded rod on the collecting ring ejector rod can be adjusted, so that collision between the ejector rod and the collecting ring can be avoided when the collecting ring is installed, and the purpose of effectively jacking and fixing the collecting ring can be realized after the collecting ring is installed in place;
(3) The soft buffer layer on the convex cambered surface of the arc-shaped top plate can avoid the condition that the inner cambered surface of the collecting ring is scratched due to the relative axial offset of the tool and the collecting ring;
(4) The oil absorbing cotton arranged on the inner wall of the outer ring surface protective cover can form an oil film on the outer ring surface of the collecting ring when contacting with the outer ring surface of the collecting ring, so that the collecting ring is prevented from being corroded due to long-term storage.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the present utility model. (outer ring surface protective cover is not mounted)
Fig. 3 is a schematic view of the outer ring protection cover structure of the present utility model.
Fig. 4 is a schematic structural view of the connection end of the collector ring ejector rod and the adjusting threaded rod.
In the figure: the device comprises a base 1, a lifting rod 2, a lifting hook 3, a collecting ring ejector rod 4, an adjusting threaded rod 5, an adjusting nut 6, an arc-shaped top plate 7, an outer ring surface protective cover 8, a perforated lug plate 9, a collecting ring 10 and a collecting ring screw 11.
Detailed Description
As shown in fig. 1-4, a transportation protection tool for a collecting ring of a hydraulic generator comprises a base 1, wherein a vertical lifting rod 2 is arranged at the center of the base 1, the lower end of the lifting rod 2 is fixed on the base 1, and a lifting hook 3 is arranged at the upper end of the lifting rod 2;
an upper collecting ring ejector rod 4 and a lower collecting ring ejector rod 4 are arranged on the side wall of the lifting rod 2, and the collecting ring ejector rod 4 is used for propping up the inner ring surface of the collecting ring 10;
an outer ring surface protective cover 8 is arranged on the base 1, and the outer ring surface protective cover 8 is used for covering and protecting the outer ring surface of the collector ring ejector rod 4.
In the preferred scheme, collecting ring ejector pin 4 be the cavity pole, its one end opening that keeps away from hoist and mount pole 2, the activity is equipped with an adjusting nut 6 on the open end, screw-thread fit is equipped with adjusting threaded rod 5 in the adjusting nut 6, adjusting threaded rod 5 one end stretches into in the collecting ring ejector pin 4, is equipped with arc roof 7 on the other end.
In the preferred scheme, the outer ring surface protective cover 8 is of a hollow cylinder structure with upper and lower openings, at least three perforated lug plates 9 are uniformly distributed on the inner side of the top surface of the outer ring surface protective cover 8, and the upper ends of the collecting ring screws 11 on the collecting rings 10 penetrate through the plates 9 with Kong Er and are matched with nuts to realize connection between the outer ring surface protective cover 8 and the collecting rings 10.
In the preferred scheme, the concave cambered surface of the arc-shaped top plate 7 is fixedly connected with the end part of the adjusting threaded rod 5, and a soft buffer layer is arranged on the convex cambered surface of the arc-shaped top plate 7 and is in surface contact with the inner ring of the collecting ring 10.
In the preferred scheme, the collecting ring ejector rods 4 in a single group comprise at least three collecting ring ejector rods 4, and the collecting ring ejector rods 4 are uniformly distributed on the same horizontal plane at equal included angles.
In a preferred embodiment, the outer ring protection cover 8 includes an outer metal shell and an oil absorbing cotton layer disposed on an inner wall of the metal shell.
The utility model discloses a transport protection frock for hydraulic generator collecting ring when carrying out collecting ring hoist and mount and transport operation:
the adjusting nut 6 is manually rotated to enable the adjusting threaded rod 5 to move towards the direction of the collecting ring ejector rod 4, at the moment, the arc-shaped top plate 7 is retracted, then the collecting ring 10 is hoisted on the base 1 and is installed in place as shown in fig. 1, then the adjusting nut 6 is manually rotated again to enable the adjusting threaded rod 5 to move outwards, the arc-shaped top plate 7 is enabled to contact and tightly prop against the inner annular surface of the collecting ring 10, then the outer annular surface protective cover 8 is installed, the collecting ring screw 11 on the collecting ring 10 is enabled to penetrate through the perforated lug 9 at the top of the outer annular surface protective cover 8, finally the nut is screwed on the collecting ring screw 11, and the outer annular surface protective cover 8 is fixed on the collecting ring 10.
After the operation is finished, the lifting operation of the collecting ring 10 can be directly carried out, if the collecting ring 10 is directly lifted to a warehouse to be stored, lubricating oil is injected into an oil absorption cotton layer on the inner wall of the outer ring surface protective cover 8 before the outer ring surface protective cover 8 is installed, and an oil film is formed on the outer ring surface of the collecting ring 10 to avoid corrosion in the storage process.
Claims (6)
1. A transport protection frock for hydraulic generator collecting ring, includes base (1), its characterized in that: a vertical lifting rod (2) is arranged at the center of the base (1), the lower end of the lifting rod (2) is fixed on the base (1), and a lifting hook (3) is arranged at the upper end of the lifting rod (2);
an upper collecting ring ejector rod and a lower collecting ring ejector rod (4) are arranged on the side wall of the lifting rod (2), and the collecting ring ejector rods (4) are used for propping up the inner ring surface of the collecting ring (10);
an outer ring surface protective cover (8) is arranged on the base (1), and the outer ring surface protective cover (8) is used for covering and protecting the outer ring surface of the collector ring ejector rod (4).
2. The transportation protection tool for a collecting ring of a hydraulic generator according to claim 1, wherein: the collecting ring ejector rod (4) is a hollow rod, one end of the collecting ring ejector rod, which is far away from the lifting rod (2), is opened, an adjusting nut (6) is movably arranged at the opening end, an adjusting threaded rod (5) is arranged in the adjusting nut (6) in a threaded fit manner, one end of the adjusting threaded rod (5) extends into the collecting ring ejector rod (4), and an arc-shaped top plate (7) is arranged at the other end of the adjusting threaded rod.
3. The transportation protection tool for a collecting ring of a hydraulic generator according to claim 1, wherein: the outer ring surface protection cover (8) is of a hollow cylinder structure with upper and lower openings, at least three perforated lugs (9) are uniformly distributed on the inner side of the top surface of the outer ring surface protection cover (8), and the upper ends of collecting ring screws (11) on the collecting rings (10) penetrate through the perforated lugs (9) and are matched with nuts to realize connection between the outer ring surface protection cover (8) and the collecting rings (10).
4. The transportation protection tool for a collecting ring of a hydraulic generator according to claim 2, wherein: the concave cambered surface of the arc-shaped top plate (7) is fixedly connected with the end part of the adjusting threaded rod (5), and a soft buffer layer is arranged on the convex cambered surface of the arc-shaped top plate (7) and is in surface contact with the inner ring of the collecting ring (10).
5. The transportation protection tool for a collecting ring of a hydraulic generator according to claim 1, wherein: the collecting ring ejector rods (4) comprise at least three collecting ring ejector rods (4), and the collecting ring ejector rods (4) are uniformly distributed on the same horizontal plane at equal included angles.
6. The transportation protection tool for a collecting ring of a hydraulic generator according to claim 1, wherein: the outer ring surface protective cover (8) comprises a metal outer shell body of an outer layer and an oil absorption cotton layer arranged on the inner wall of the metal outer shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320774326.4U CN220056038U (en) | 2023-04-10 | 2023-04-10 | Transfer protection tool for collecting ring of hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320774326.4U CN220056038U (en) | 2023-04-10 | 2023-04-10 | Transfer protection tool for collecting ring of hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056038U true CN220056038U (en) | 2023-11-21 |
Family
ID=88784407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320774326.4U Active CN220056038U (en) | 2023-04-10 | 2023-04-10 | Transfer protection tool for collecting ring of hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056038U (en) |
-
2023
- 2023-04-10 CN CN202320774326.4U patent/CN220056038U/en active Active
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