CN215333926U - Novel generating set main shaft forging - Google Patents

Novel generating set main shaft forging Download PDF

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Publication number
CN215333926U
CN215333926U CN202121149114.4U CN202121149114U CN215333926U CN 215333926 U CN215333926 U CN 215333926U CN 202121149114 U CN202121149114 U CN 202121149114U CN 215333926 U CN215333926 U CN 215333926U
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China
Prior art keywords
spindle
main shaft
block
generator
clamping
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CN202121149114.4U
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Chinese (zh)
Inventor
郑为峰
楼江伟
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Zhuji Hongmao Heavy Industry Machinery Co ltd
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Zhuji Hongmao Heavy Industry Machinery Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

The utility model belongs to the technical field of main shaft forgings, and particularly relates to a novel main shaft forging of a generator set. The utility model comprises a generator main shaft, wherein an upper frame is arranged on the generator main shaft, a main shaft connecting rotary insert block is arranged at one end of the generator main shaft, which is far away from the upper frame, and a shaft clamping fixing component capable of doing reciprocating linear motion along one end, which is close to or far away from the main shaft connecting rotary insert block, is arranged in the generator main shaft. In the use process of the generator main shaft, the main shaft connecting and rotating insertion block is inserted into the main shaft connecting and rotating insertion block through the shaft clamping fixing assembly, the main shaft connecting and rotating insertion block is fixed through the shaft clamping fixing assembly and then connected through the main shaft connecting and rotating insertion block, so that the generator main shaft connecting and rotating insertion block is convenient to mount and dismount, is convenient for workers to maintain and replace, reduces the use cost, and meanwhile, the anti-corrosion and anti-wear part also plays a role in wear resistance and corrosion resistance in the use process, and the service life of the generator main shaft is prolonged.

Description

Novel generating set main shaft forging
Technical Field
The utility model belongs to the technical field of main shaft forgings, and relates to a novel main shaft forging of a generator set.
Background
At present, equipment in the fields of electric power, petrifaction, ships and the like is rapidly developed in a large scale, and the construction of generating sets of power plants is continuously increased. In the manufacturing process of a large-scale generator set, the quality of a main shaft determines the stability and the safety of the operation of the generator set to a great extent. The existing generator set spindle forging is high in use cost due to the fact that the connection part is damaged once in the using process of the existing generator set spindle forging, and the use cost is high, the wear-resistant and corrosion-resistant effects are general in the use process, and the service life is short.
In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a chinese patent discloses a large-scale hydroelectric generating set main shaft forging [ application number: 201611139967.3], the molten steel smelting component of the casting forging steel ingot and the forging finished product component consist of the following components in percentage by mass: carbon is less than or equal to 0.25 percent and is not equal to 0; silicon is less than or equal to 0.25 percent and is not equal to 0; manganese: 0-1.25%, and not equal to 0; phosphorus is less than or equal to 0.025 percent and is not equal to 0; sulfur is less than or equal to 0.01 percent and is not equal to 0; chromium is less than or equal to 0.40 percent and is not equal to 0; nickel is less than or equal to 1.00 percent and is not equal to 0; molybdenum is less than or equal to 0.20 percent and is not equal to 0; vanadium is less than or equal to 0.10 percent and is not equal to 0; copper is less than or equal to 0.05 percent and not equal to 0; the carbon equivalent is less than or equal to 0.55 percent; the balance being iron and unavoidable impurities. The yield strength of the main shaft forging is more than or equal to 310 MPa; the tensile strength is more than or equal to 565 MPa; the elongation after fracture is more than or equal to 20 percent; the reduction of area is more than or equal to 35 percent; the impact absorption energy is more than or equal to 30J; cold bending (d 40mm, α 180 °): has no crack. But in the use process of the scheme, once the connecting part is damaged, the maintenance and replacement cost is still higher, the wear-resistant and corrosion-resistant effects are more common in the use process, and the defect of short service life exists.
Disclosure of Invention
The utility model aims to solve the problems and provides a novel main shaft forging of a generator set.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a novel generating set main shaft forging, includes the generator main shaft, the generator main shaft on be equipped with the frame, the generator main shaft keep away from frame one end and be equipped with the main shaft and connect and rotate the inserted block, the generator main shaft in be equipped with and to follow near or keep away from the main shaft and connect the fixed subassembly of card axle that rotates inserted block one end and be reciprocal linear motion, the fixed subassembly of card axle be connected with the main shaft and rotate the inserted block looks joint cooperation, the generator main shaft on still be equipped with anticorrosive wear-resisting part.
In the novel generator set spindle forging, a spindle through hole is formed in a generator spindle, the spindle is connected with a rotary insertion block and extends into the spindle through hole, and the shaft clamping fixing component corresponds to the spindle through hole in position.
In foretell novel generating set main shaft forging, the fixed subassembly of card axle including setting up the card axle inserted bar in the generator main shaft, the main shaft connect to rotate and be equipped with the card axle fixed orifices in the inserted block, card axle inserted bar and card axle fixed orifices joint cooperation, the main shaft connect and still be equipped with card axle resilience connecting piece in the rotation inserted block, card axle resilience connecting piece link to each other with card axle inserted bar.
In foretell novel generating set main shaft forging, card axle resilience connecting piece including set up the card axle connecting block in the main shaft connection rotation inserted block, card axle connecting block and card axle inserted bar between be equipped with the spring.
In foretell novel generating set main shaft forging, the card hub connection piece on be equipped with the lateral part connecting plate, the lateral part connecting plate on be equipped with the counterpoint picture peg, the main shaft connect and rotate and be equipped with the counterpoint slot in the inserted block, the position of counterpoint picture peg and the position of counterpoint slot corresponding and the shape matches and suits.
In foretell novel generating set main shaft forging, the generator main shaft on be equipped with anti-torque sleeve seat, card hub connection piece and anti-torque sleeve seat looks sliding fit, anti-torque sleeve seat in be equipped with the spiro union fixed plate, spiro union fixed plate and anti-torque sleeve seat between link to each other through fastening bolt, spiro union fixed plate and card hub connection piece looks butt cooperation.
In foretell a novel generating set main shaft forging, card axle inserted bar bottom be trapezoidal, the main shaft connect to rotate and be equipped with anti-sticking shell kicking block on the inserted block, anti-sticking shell kicking block be the round platform form.
In the novel forging for the main shaft of the generator set, the through hole in the main shaft is internally provided with the ejector block aligning plate, and the anti-clamping shell ejector block is in butt fit with the ejector block aligning plate.
In the novel generator set spindle forging, the corrosion-resistant and wear-resistant part comprises a corrosion-resistant layer and a wear-resistant layer which are arranged on the generator spindle, and the corrosion-resistant layer and the wear-resistant layer are respectively connected with the upper frame.
In the novel forging for the main shaft of the generator set, the upper frame is internally provided with a through hole in the frame, the through hole in the frame is communicated with the through hole in the main shaft, and the upper frame is internally provided with a plurality of side holes distributed in an annular array along the central point of the upper frame.
Compared with the prior art, the utility model has the advantages that:
1. in the use process of the generator main shaft, the main shaft connecting and rotating insertion block is inserted into the main shaft connecting and rotating insertion block through the shaft clamping fixing assembly, the main shaft connecting and rotating insertion block is fixed through the shaft clamping fixing assembly and then connected through the main shaft connecting and rotating insertion block, so that the generator main shaft connecting and rotating insertion block is convenient to mount and dismount, is convenient for workers to maintain and replace, reduces the use cost, and meanwhile, the anti-corrosion and anti-wear part also plays a role in wear resistance and corrosion resistance in the use process, and the service life of the generator main shaft is prolonged.
2. According to the utility model, the anti-torque force at the end part of the main shaft of the generator can be improved by arranging the anti-torque sleeve seat, the strength is increased, the bolt connection fixing plate is used for abutting against the fixed shaft clamping connecting block, and the bolt connection fixing plate is connected with the anti-torque sleeve seat through the fastening bolt, so that the disassembly and the assembly are simple and convenient.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a schematic structural view of the upper frame.
In the figure: generator main shaft 1, upper frame 2, the rotation inserted block 3 is connected to the main shaft, card axle fixed subassembly 4, anticorrosive wearing parts 5, through-hole 6 in the main shaft, card axle inserted bar 7, card axle fixed orifices 8, card axle resilience connecting piece 9, card axle connecting block 10, lateral part connecting plate 11, counterpoint picture peg 12, counterpoint slot 13, antitorque square cover seat 14, spiro union fixed plate 15, prevent card shell kicking block 16, kicking block counterpoint board 17, anticorrosive coating 18, wearing layer 19, through-hole 20 in the frame, lateral part hole 21.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-3, a novel generator set spindle forging comprises a generator spindle 1 and is characterized in that an upper frame 2 is arranged on the generator spindle 1, a spindle connecting rotary insert block 3 is arranged at one end, far away from the upper frame 2, of the generator spindle 1, a clamping shaft fixing component 4 capable of doing reciprocating linear motion along one end, close to or far away from the spindle connecting rotary insert block 3, of the generator spindle 1 is arranged in the generator spindle 1, the clamping shaft fixing component 4 is in clamping fit with the spindle connecting rotary insert block 3, and an anticorrosion wear-resistant portion 5 is further arranged on the generator spindle 1.
In this embodiment, in the use, connect the main shaft and rotate the inserted block 3 and insert to generator main shaft 1 in, connect the main shaft through card axle fixed subassembly 4 and rotate the inserted block 3 and insert to the main shaft and connect and rotate the inserted block 3 in, connect the main shaft through card axle fixed subassembly 4 and rotate the inserted block 3 and fix, the rethread main shaft is connected and is rotated the inserted block 3 and connect, conveniently install the dismantlement, the staff of being convenient for maintains and changes, use cost is reduced, simultaneously in the use, anticorrosive wear-resisting portion 5 still plays wear-resisting anticorrosive effect, the service life of generator main shaft 1 has been improved.
Referring to fig. 1 and 2, a main shaft through hole 6 is formed in the generator main shaft 1, the main shaft connecting rotary insert 3 extends into the main shaft through hole 6, and the shaft clamping fixing component 4 corresponds to the main shaft through hole 6.
In particular, the through hole 6 in the spindle facilitates the fastening of the spindle-connecting rotary insert 3.
It is shown in combination with fig. 2 that the fixed subassembly of card axle 4 is including setting up the card axle inserted bar 7 in generator spindle 1, the main shaft connect and rotate and be equipped with card axle fixed orifices 8 in the inserted block 3, card axle inserted bar 7 with block axle fixed orifices 8 looks joint cooperation, the main shaft connect and still be equipped with card axle resilience connecting piece 9 in the rotation inserted block 3, card axle resilience connecting piece 9 link to each other with card axle inserted bar 7.
In this embodiment, connect at the main shaft and rotate the inserted block 3 and insert to the main shaft in the through-hole 6 in the back, insert card axle inserted bar 7 to calorie axle fixed orifices 8 in, through the cooperation of the joint between calorie axle inserted bar 7 and the card axle fixed orifices 8, connect to rotate inserted block 3 to the main shaft and fix, calorie axle resilience connecting piece 9 provides elasticity to calorie axle inserted bar 7, makes things convenient for card axle inserted bar 7 to shrink and slides.
The clamp shaft rebound connecting piece 9 comprises a clamp shaft connecting block 10 arranged in the main shaft connecting rotary inserting block 3, and a spring is arranged between the clamp shaft connecting block 10 and the clamp shaft inserting rod 7.
In this embodiment, the shaft-fastening connecting block 10 is used to connect a spring, and the spring plays a role of elasticity for the shaft-fastening insertion rod 7.
Referring to fig. 2, the shaft-clamping connecting block 10 is provided with a lateral connecting plate 11, the lateral connecting plate 11 is provided with an alignment insertion plate 12, the spindle is connected with a rotating insertion block 3 and is provided with an alignment slot 13, and the position of the alignment insertion plate 12 corresponds to the position of the alignment slot 13 and is matched with the shape.
In this embodiment, the side connection plate 11 is used to connect and fix the alignment plug board 12, and when fixing, the alignment plug board 12 is inserted into the alignment slot 13 to perform alignment fixing, so as to avoid the circumferential relative rotation between the main shaft connection rotation plug block 3 and the generator main shaft 1, and the fixing effect is good.
The generator main shaft 1 on be equipped with anti moment of torsion cover seat 14, card axle connecting block 10 and anti moment of torsion cover seat 14 looks sliding fit, anti moment of torsion cover seat 14 in be equipped with spiro union fixed plate 15, spiro union fixed plate 15 and anti moment of torsion cover seat 14 between link to each other through fastening bolt, spiro union fixed plate 15 and card axle connecting block 10 looks butt cooperation.
In this embodiment, anti moment of torsion power that anti moment of torsion cover seat 14 can improve 1 tip of generator main shaft has increased intensity, and spiro union fixed plate 15 is used for butt fixed card hub connection piece 10, links to each other through fastening bolt between spiro union fixed plate 15 and the anti moment of torsion cover seat 14, and easy dismounting is simple and convenient.
The bottom of the clamping shaft insertion rod 7 is trapezoidal, the spindle is connected with the rotating insertion block 3 and is provided with an anti-clamping shell top block 16, and the anti-clamping shell top block 16 is in a round table shape.
In this embodiment, when the main shaft is connected and is rotated the inserted block 3 and insert to the main shaft in the through-hole 6, through the butt effect between anti-sticking shell kicking block 16 and the card axle inserted bar 7, make card axle inserted bar 7 to keeping away from the main shaft and connect and rotate 3 one ends of inserted block and remove, after the completion of counterpointing, card axle inserted bar 7 inserts to card axle fixed orifices 8 in, accomplish the joint, anti-sticking shell kicking block 16 is the round platform form, card axle inserted bar 7 bottom is trapezoidal, the condition of taking place the card shell is avoided in the cooperation of accessible inclined plane.
Referring to fig. 2, a top block aligning plate 17 is arranged in the through hole 6 in the spindle, and the anti-jamming housing top block 16 is in abutting fit with the top block aligning plate 17.
In this embodiment, the top block aligning plate 17 aligns the anti-jamming top block 16.
Referring to fig. 1 and 2, the corrosion-resistant and wear-resistant portion 5 includes a corrosion-resistant layer 18 and a wear-resistant layer 19 disposed on the generator main shaft 1, and the corrosion-resistant layer 18 and the wear-resistant layer 19 are respectively connected to the upper frame 2.
In this embodiment, the anticorrosive coating 18 plays the anticorrosive effect, and the wearing layer 19 plays wear-resisting effect, has improved the life of generator main shaft 1, and anticorrosive coating 18 can adopt zinc, aluminium, cadmium coating, and wearing layer 19 can adopt wear-resistant coating.
Referring to fig. 1 and 3, a through hole 20 in the upper frame 2 is provided, the through hole 20 in the frame is communicated with the through hole 6 in the main shaft, and a plurality of side holes 21 are provided in the upper frame 2 and distributed in a circular array along the central point of the upper frame 2.
The working principle of the utility model is as follows:
in the use process, when the spindle connecting and rotating insertion block 3 is inserted into the through hole 6 in the spindle, the clamping shaft insertion rod 7 moves towards one end far away from the spindle connecting and rotating insertion block 3 through the abutting action between the anti-clamping shell ejection block 16 and the clamping shaft insertion rod 7, after the alignment is completed, the clamping shaft insertion rod 7 is inserted into the clamping shaft fixing hole 8 to complete the clamping connection, the anti-clamping shell ejection block 16 is in a round platform shape, the bottom of the clamping shaft insertion rod 7 is in a trapezoid shape, the clamping shell can be avoided through the inclined plane matching, the installation and the disassembly are convenient, the maintenance and the replacement of workers are convenient, the use cost is reduced,
the side connecting plate 11 is used for connecting and fixing the alignment inserting plate 12, when in fixing, the alignment inserting plate 12 is inserted into the alignment slot 13 for alignment and fixing, the circumferential relative rotation between the main shaft connecting rotating inserting block 3 and the main shaft 1 of the generator is avoided, the fixing effect is good,
the anti-torque sleeve seat 14 can improve the anti-torque force of the end part of the main shaft 1 of the generator and increase the strength, the bolt connection fixing plate 15 is used for abutting against the fixed clamping shaft connecting block 10, the bolt connection fixing plate 15 is connected with the anti-torque sleeve seat 14 through the fastening bolt, the disassembly and the assembly are simple and convenient,
meanwhile, in the use process, the anti-corrosion layer 18 plays a role in corrosion prevention, the wear-resistant layer 19 plays a role in wear resistance, and the service life of the generator main shaft 1 is prolonged.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the utility model.
Although the terms of the generator main shaft 1, the upper frame 2, the main shaft connecting rotating insertion block 3, the shaft clamping fixing component 4, the corrosion-resistant wear-resistant part 5, the main shaft through hole 6, the shaft clamping insertion rod 7, the shaft clamping fixing hole 8, the shaft clamping rebounding connecting piece 9, the shaft clamping connecting block 10, the side connecting plate 11, the alignment insertion plate 12, the alignment insertion slot 13, the anti-torque sleeve seat 14, the bolt connection fixing plate 15, the anti-clamping shell top block 16, the top block alignment plate 17, the corrosion-resistant layer 18, the wear-resistant layer 19, the frame through hole 20, the side hole 21 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims (10)

1. The utility model provides a novel generating set main shaft forging, includes generator main shaft (1), its characterized in that, generator main shaft (1) on be equipped with frame (2), generator main shaft (1) keep away from frame (2) one end and be equipped with the main shaft and connect rotation inserted block (3), generator main shaft (1) in be equipped with and to follow near or keep away from the main shaft and connect rotation inserted block (3) one end and be reciprocal linear motion's fixed subassembly of card axle (4), fixed subassembly of card axle (4) be connected with the main shaft and rotate inserted block (3) looks joint cooperation, generator main shaft (1) on still be equipped with anticorrosive wear-resisting part (5).
2. The novel generator set spindle forging according to claim 1, wherein a spindle through hole (6) is formed in the generator spindle (1), the spindle is connected with the rotating insertion block (3) and extends into the spindle through hole (6), and the shaft clamping fixing component (4) corresponds to the spindle through hole (6).
3. The novel generator set spindle forging according to claim 2, wherein the spindle fixing assembly (4) comprises a spindle inserting rod (7) arranged in the generator spindle (1), the spindle is connected with a rotating inserting block (3) and internally provided with a spindle fixing hole (8), the spindle inserting rod (7) is matched with the spindle fixing hole (8) in a clamping and connecting manner, the spindle is connected with the rotating inserting block (3) and internally provided with a spindle rebounding connecting piece (9), and the spindle rebounding connecting piece (9) is connected with the spindle inserting rod (7).
4. The novel generator set spindle forging according to claim 3, wherein the shaft clamping resilient connecting piece (9) comprises a shaft clamping connecting block (10) arranged in the spindle connecting rotating insertion block (3), and a spring is arranged between the shaft clamping connecting block (10) and the shaft clamping insertion rod (7).
5. The novel generator set spindle forging according to claim 4, wherein a side connecting plate (11) is arranged on the shaft clamping connecting block (10), an alignment inserting plate (12) is arranged on the side connecting plate (11), an alignment inserting slot (13) is formed in the spindle connecting rotating inserting block (3), and the position of the alignment inserting plate (12) corresponds to the position of the alignment inserting slot (13) and is matched in shape.
6. The novel generator set spindle forging according to claim 5, wherein an anti-torque sleeve seat (14) is arranged on the generator spindle (1), the clamping spindle connecting block (10) is in sliding fit with the anti-torque sleeve seat (14), a threaded fixing plate (15) is arranged in the anti-torque sleeve seat (14), the threaded fixing plate (15) is connected with the anti-torque sleeve seat (14) through a fastening bolt, and the threaded fixing plate (15) is in butt fit with the clamping spindle connecting block (10).
7. The novel generator set spindle forging according to claim 6, wherein the bottom of the spindle clamping and inserting rod (7) is trapezoidal, an anti-clamping shell top block (16) is arranged on the spindle connecting and rotating inserting block (3), and the anti-clamping shell top block (16) is in a circular truncated cone shape.
8. The novel generator set spindle forging according to claim 7, wherein a top block aligning plate (17) is arranged in the spindle through hole (6), and the anti-jamming shell top block (16) is in butt fit with the top block aligning plate (17).
9. The novel generator set spindle forging according to claim 8, wherein the corrosion-resistant and wear-resistant portion (5) comprises a corrosion-resistant layer (18) and a wear-resistant layer (19) which are arranged on the generator spindle (1), and the corrosion-resistant layer (18) and the wear-resistant layer (19) are respectively connected with the upper frame (2).
10. The novel generator set spindle forging according to claim 9, wherein a through hole (20) in the upper frame (2) is formed in the upper frame, the through hole (20) in the frame is communicated with the through hole (6) in the spindle, and a plurality of side holes (21) are formed in the upper frame (2) and distributed in an annular array along a central point of the upper frame (2).
CN202121149114.4U 2021-05-26 2021-05-26 Novel generating set main shaft forging Active CN215333926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121149114.4U CN215333926U (en) 2021-05-26 2021-05-26 Novel generating set main shaft forging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121149114.4U CN215333926U (en) 2021-05-26 2021-05-26 Novel generating set main shaft forging

Publications (1)

Publication Number Publication Date
CN215333926U true CN215333926U (en) 2021-12-28

Family

ID=79548482

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121149114.4U Active CN215333926U (en) 2021-05-26 2021-05-26 Novel generating set main shaft forging

Country Status (1)

Country Link
CN (1) CN215333926U (en)

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