CN217413847U - Disassembly tool for guide vane shaft head - Google Patents
Disassembly tool for guide vane shaft head Download PDFInfo
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- CN217413847U CN217413847U CN202221176042.7U CN202221176042U CN217413847U CN 217413847 U CN217413847 U CN 217413847U CN 202221176042 U CN202221176042 U CN 202221176042U CN 217413847 U CN217413847 U CN 217413847U
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- tool
- guide vane
- bolt
- base flange
- shaft head
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Abstract
The utility model discloses a disassembly tool for a guide vane shaft head, which comprises a base flange, wherein a plurality of bolt through holes for connecting the integral sleeve of the guide vane shaft head are arranged on the base flange, disassembly bolts are arranged in the bolt through holes, and two groups of tool supports are fixed at the upper end of the base flange; each group of tool support comprises two supporting legs connected with a base flange, the upper ends of the two supporting legs are connected through a connecting plate, the connecting plates of the two groups of tool supports are connected through a reinforcing plate, and a tool hanger is further fixed between the connecting plates of the two groups of tool supports. The utility model discloses compare with current stator spindle nose dismounting device, adopt the contact of the whole sleeve of base flange and stator spindle nose to be provided with the whole telescopic dismantlement bolt of many places and stator spindle nose, the atress is more even when dragging out the whole sleeve of stator spindle nose, more is difficult to harm the whole sleeve of stator spindle nose, effectively prevents the whole telescopic deformation of stator spindle nose.
Description
Technical Field
The utility model relates to a hydroelectric generation technical field, concretely relates to dismantlement frock of stator spindle nose.
Background
In hydroelectric power station, water distributor in hydroelectric power station operation reaches the certain age after, the stator spindle nose can begin to appear the condition of leaking, need demolish the stator spindle nose for this reason and change sealed the processing, but journal department is equipped with self-lubricating radial spherical plain bearing of self-aligning on the stator, the journal locks easily on joint bearing and the stator after the live time, need regularly dismantle the stator spindle nose and maintain, and dismantle and maintain and need demolish the whole sleeve assembly of stator spindle nose.
The existing device for disassembling the integral sleeve of the guide vane shaft head comprises a jack fixed on a top plate and two screws arranged on the top plate for disassembling, wherein both ends of each screw are provided with threads, both ends of each screw are respectively fixed on the top plate and the integral sleeve of the guide vane shaft head, one end of each screw connected with the top plate is clamped up and down through two nuts, and the other end of each screw is in threaded connection with a threaded hole on the integral sleeve of the guide vane shaft head; when the guide vane long shaft is disassembled, the movable end of the jack is attached to the end part of the guide vane long shaft, and then the movable end of the jack is lifted up to lift the guide vane long shaft by adjusting the jack, so that the guide vane long shaft is pulled out from the guide vane long shaft by the aid of the lifting effect of the jack. The existing guide vane shaft head dismounting device is provided with only two screws, when the device is connected with the integral sleeve of the guide vane shaft head, the stress area is small, the stress is unbalanced, the flange edge of the guide vane shaft head is easy to be broken, so that the guide vane shaft head can not be used, and after the device is damaged, the sleeve and the joint bearing are dismounted only in a gouging mode, so that the maintenance difficulty is further increased; meanwhile, the existing guide vane shaft head dismounting device is low in dismounting efficiency, and one hydraulic generator set generally has sixteen guide vane shaft heads, so that the overhaul period of the whole set is prolonged, a new dismounting tool for the guide vane shaft heads is necessary to be provided, and the problems are solved.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned of prior art, the utility model provides a be difficult to damage stator spindle nose's of the whole sleeve of stator spindle nose dismantlement frock.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: a disassembling tool for a guide vane shaft head comprises a base flange, wherein a plurality of bolt through holes for connecting an integral sleeve of the guide vane shaft head are formed in the base flange, disassembling bolts are arranged in the bolt through holes, and two groups of tool supports are fixed at the upper end of the base flange; each group of tool supports comprises two supporting legs connected with a base flange, the upper ends of the two supporting legs are connected through a connecting plate, the connecting plates of the two groups of tool supports are connected through a reinforcing plate, and tool hanging pieces are further fixed between the connecting plates of the two groups of tool supports.
Furthermore, a reinforcing plate is arranged between the two supporting legs in each group of tool supports. The reinforcing plate is used for improving the strength of each group of tool supports, increasing the rigidity of the whole tool and preventing deformation.
Furthermore, the reinforcing plate is provided with a lifting lug which is arranged outwards. The whole frock of convenient horizontal hoist and mount of lug, convenient transportation and use.
Furthermore, the tool hanging piece is a rectangular hanging plate, a through hole is formed in the rectangular hanging plate, and one end of the rectangular hanging plate is welded and fixed on the reinforcing plate. The rectangular hanging plate is convenient to produce and weld and fix.
Furthermore, the tool hoisting piece is a hoisting ring, a hoisting ring shaft is arranged between the two connecting plates, and the hoisting ring is welded or penetratingly fixed on the hoisting ring shaft. The hoisting ring is suitable for being matched with a lifting hook or a lifting rope of a crane to use.
Furthermore, a rubber pad is arranged at the bottom of the base flange, and a bolt through hole corresponding to the base flange is formed in the rubber pad. The rubber pad sets up in the bottom of base flange, and the rubber pad centre gripping is between base flange and the whole sleeve of stator shaft head when dismantling the whole sleeve of stator shaft head, can protect the whole sleeve of stator shaft head better.
Furthermore, six bolt through holes are formed in the base flange and are uniformly distributed. Six bolt through holes can effectively increase the number of the mounting and dismounting bolts, thereby increasing the connection area of the whole tool and the guide vane shaft head integral sleeve.
Further, still including setting up the bolt gasket in base flange upper end, the bolt gasket is the ring form, is provided with the gasket through-hole that corresponds with the bolt through-hole on the ring of bolt gasket. The bolt gasket can be cushioned between the disassembly bolt head and the base flange, so that the flange edge of the base flange is further protected.
Further, the bolts are disassembled by adopting magnetizing treatment. The detachable bolt can be adsorbed in the bolt through hole of the base flange, and is convenient to store.
Further, the bolt gasket comprises an upper semicircular ring and a lower semicircular ring, the sizes of the upper semicircular ring and the lower semicircular ring are consistent, and the upper semicircular ring and the lower semicircular ring are provided with gasket through holes. The bolt gasket is composed of an upper semicircular ring and a lower semicircular ring, and installation and disassembly of the bolt gasket can be facilitated.
Further, the bolt through hole is a light hole. The guide vane shaft head integral sleeve is conveniently connected with a dismounting bolt.
The beneficial effects of the utility model are that: compared with the existing device for dismounting the integral sleeve of the guide vane shaft head, the utility model adopts the contact of the base flange and the integral sleeve of the guide vane shaft head, and is provided with a plurality of dismounting bolts with the integral sleeve of the guide vane shaft head, so that the stress is more uniform when the integral sleeve of the guide vane shaft head is pulled out, the integral sleeve of the guide vane shaft head is more difficult to damage, and the deformation of the integral sleeve of the guide vane shaft head is effectively prevented; the general tens of guide vane spindle nose whole sleeves that need dismantle at a generating set, the utility model discloses can show the whole telescopic dismantlement efficiency of promotion guide vane spindle nose.
Drawings
FIG. 1 is a schematic illustration of a prior art disassembly;
FIG. 2 is a schematic overall view of the present invention;
FIG. 3 is a schematic diagram of the operation of the present invention;
11. a top plate; 12. a screw; 13. a nut; 14. a jack; 2. a guide vane long shaft; 3. the guide vane shaft head is an integral sleeve;
41. a base flange; 42. a tool support; 421. supporting legs; 422. a reinforcing plate; 423. lifting lugs; 424. A connecting plate; 425. a tool hanger; 426. a reinforcing plate; 427. and (5) disassembling the bolt.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1, the conventional guide vane spindle head integral sleeve dismounting device includes a jack 14 fixed on a top plate 11, and two screws 12 arranged on the top plate 11 for dismounting, wherein both ends of the screw 12 are provided with threads, both ends of the screw 12 are respectively fixed on the top plate 11 and the guide vane spindle head integral sleeve 3, one end of the screw 12 connected with the top plate 11 is clamped up and down by two nuts 13, and the other end of the screw 12 is in threaded connection with a threaded hole on the guide vane spindle head integral sleeve 3; when the guide vane long shaft is disassembled, the movable end of the jack 14 is attached to the end part of the guide vane long shaft 2, then the movable end of the jack 14 is lifted up to the guide vane long shaft 2 by adjusting the jack 14, and therefore the guide vane shaft head integral sleeve 3 and the shaft head are pulled out of the guide vane long shaft 2 by the aid of the lifting effect of the jack.
As shown in fig. 2 and 3, the tool for disassembling the guide vane shaft head is used in cooperation with the guide vane shaft head integral sleeve (3), the tool for disassembling the guide vane shaft head comprises a base flange 41, a plurality of bolt through holes for connecting the guide vane shaft head integral sleeve 3 are formed in the base flange 41, disassembling bolts 427 are arranged in the bolt through holes, and two sets of tool brackets 42 are fixed at the upper end of the base flange 41; each group of tool supports comprises two supporting legs 421 connected with the base flange 41, the upper ends of the two supporting legs 421 are connected through a connecting plate 424, the connecting plates 424 of the two groups of tool supports are connected through a reinforcing plate 426, and a tool hanger 425 is further fixed between the connecting plates 424 of the two groups of tool supports.
In this embodiment, a reinforcing plate 422 is further disposed between the two supporting legs 421 in each set of tooling brackets 42. Reinforcing plate 422 is used for improving the intensity of every group's frock support, increases the rigidity of whole frock, is difficult to the deformation.
In the present embodiment, the reinforcing plate 422 is provided with a lifting lug 423, and the lifting lug 423 is disposed facing outward. The whole frock of convenient horizontal hoist and mount of lug 423, convenient transportation and use.
In this embodiment, the tooling hanger 425 is a rectangular hanger plate, a through hole is formed on the rectangular hanger plate, and one end of the rectangular hanger plate is welded and fixed on the reinforcing plate 422. The rectangular hanging plate is convenient to produce and weld and fix. In this embodiment, the tool hanger 425 is a hanging ring, a hanging ring shaft is disposed between the two connecting plates 424, and the hanging ring is welded or fixed on the hanging ring shaft in a penetrating manner. The lifting ring is suitable for being matched with a lifting hook or a lifting rope of a crane.
In this embodiment, a rubber pad is disposed at the bottom of the base flange 41, and a bolt through hole corresponding to the base flange 41 is disposed on the rubber pad. The rubber pad sets up in the bottom of base flange, and the rubber pad centre gripping is between base flange and the whole sleeve of stator shaft head when dismantling the whole sleeve of stator shaft head, can protect the whole sleeve of stator shaft head better.
In this embodiment, six bolt through holes are provided on the base flange 41, and the six bolt through holes are uniformly distributed. The number of the mounting and dismounting bolts 427 can be effectively increased by the six bolt through holes, so that the connection area of the whole tool and the guide vane shaft head integral sleeve is increased.
In this embodiment, the bolt gasket is further included, the bolt gasket is arranged at the upper end of the base flange 41 and is in a circular ring shape, and gasket through holes corresponding to the bolt through holes are formed in the circular ring of the bolt gasket. The bolt gasket can be cushioned between the disassembly bolt head and the base flange, so that the flange edge of the base flange is further protected.
In this embodiment, the bolt is removed by magnetizing. The detachable bolt can be adsorbed in the bolt through hole of the base flange, and is convenient to store.
In this embodiment, the bolt gasket includes upper semicircular ring and lower semicircular ring, and upper semicircular ring is unanimous with lower semicircular ring's size, and all is provided with complete gasket through-hole. The bolt gasket is composed of an upper semicircular ring and a lower semicircular ring, and installation and disassembly of the bolt gasket can be facilitated.
In this embodiment, the bolt through hole is a smooth hole. Conveniently connect whole sleeve of stator spindle nose with dismantlement bolt
The utility model discloses a theory of operation and use flow: through the dismantlement frock of lug 423 horizontal hoist and mount stator spindle nose, make base flange 41 and the whole sleeve 3 of stator spindle nose be in same height, pass the bolt through-hole of base flange 41 with six dismantlement bolts 427 and be connected with the screw hole of the whole sleeve 3 of stator spindle nose, when connecting base flange 41 and the whole sleeve 3 of stator spindle nose, ensure that base flange 41 and the whole sleeve 3 laminating of stator spindle nose, six dismantlement bolts 427 the pretightning force roughly unanimous can, then through removing or lifting by crane equipment hoist and mount frock piece 425, it can to drive whole dismantlement frock horizontal migration, thereby pull out the whole sleeve 3 of stator spindle nose.
Claims (10)
1. The utility model provides a dismantlement frock of stator spindle nose, uses its characterized in that with the whole sleeve (3) cooperation of stator spindle nose: the guide vane shaft head integral sleeve structure comprises a base flange (41), wherein a plurality of bolt through holes for connecting a guide vane shaft head integral sleeve (3) are formed in the base flange (41), dismounting bolts (427) are arranged in the bolt through holes, and two groups of tool supports (42) are fixed at the upper end of the base flange (41);
each group of tool support comprises two supporting legs (421) connected with a base flange (41), the upper ends of the two supporting legs (421) are connected through a connecting plate (424), the connecting plates (424) of the two groups of tool supports are connected through a reinforcing plate (426), and a tool hanger (425) is further fixed between the connecting plates (424) of the two groups of tool supports.
2. The disassembling tool for the guide vane shaft heads as claimed in claim 1, wherein a reinforcing plate (422) is further arranged between two supporting legs (421) in the tool bracket (42) of each group.
3. The guide vane spindle nose disassembling tool according to claim 2, characterized in that a lifting lug (423) is arranged on the reinforcing plate (422), and the lifting lug (423) is arranged in an outward direction.
4. The disassembling tool for the guide vane shaft head as claimed in claim 2, wherein the tool hanger (425) is a rectangular hanger plate, a through hole is formed in the rectangular hanger plate, and one end of the rectangular hanger plate is welded and fixed on the reinforcing plate (422).
5. The tool for disassembling the guide vane shaft head as claimed in claim 2, wherein the tool hanger (425) is a hanging ring, a hanging ring shaft is arranged between the two connecting plates (424), and the hanging ring is welded or fixed on the hanging ring shaft in a penetrating manner.
6. The guide vane shaft head dismounting tool according to claim 1, wherein a rubber pad is arranged at the bottom of the base flange (41), and a bolt through hole corresponding to the base flange (41) is formed in the rubber pad.
7. The tool for disassembling the guide vane shaft head according to claim 1, wherein six bolt through holes are formed in the base flange (41), and the six bolt through holes are uniformly distributed.
8. The guide vane shaft head dismounting tool according to claim 1, further comprising a bolt gasket arranged at the upper end of the base flange (41), wherein the bolt gasket is in a circular ring shape, and a gasket through hole corresponding to the bolt through hole is formed in the circular ring of the bolt gasket.
9. The disassembling tool for the guide vane shaft head as claimed in claim 8, wherein the bolt gasket comprises an upper semicircular ring and a lower semicircular ring, the upper semicircular ring and the lower semicircular ring are identical in size, and the upper semicircular ring and the lower semicircular ring are provided with gasket through holes.
10. The guide vane shaft head dismounting tool according to claim 1, wherein the bolt through hole is a smooth hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221176042.7U CN217413847U (en) | 2022-05-16 | 2022-05-16 | Disassembly tool for guide vane shaft head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221176042.7U CN217413847U (en) | 2022-05-16 | 2022-05-16 | Disassembly tool for guide vane shaft head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217413847U true CN217413847U (en) | 2022-09-13 |
Family
ID=83187356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221176042.7U Active CN217413847U (en) | 2022-05-16 | 2022-05-16 | Disassembly tool for guide vane shaft head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217413847U (en) |
-
2022
- 2022-05-16 CN CN202221176042.7U patent/CN217413847U/en active Active
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