CN219703362U

CN219703362U - Forging forming device for steam turbine main shaft

Info

Publication number: CN219703362U
Application number: CN202321361408.2U
Authority: CN
Inventors: 冯敏华
Original assignee: Jiaxing Jingde Machinery Technology Co ltd
Current assignee: Jiaxing Jingde Machinery Technology Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-19
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a forging forming device for a main shaft of a steam turbine, which comprises a base, wherein the outer side of the base is fixedly connected with a portal frame, the top surface of the portal frame is provided with a machine box, a driving piece is arranged in the machine box, penetrates through the machine box and extends to the lower part of the portal frame, the tail end of the driving piece is provided with a supporting block, the bottom surface of the supporting block is fixedly connected with a hammer head, a sliding plate is arranged below the hammer head and is in sliding connection with the top surface of the base, the top surface of the sliding plate is fixedly connected with two supporting plates in mirror symmetry left and right, and the side surfaces of the two supporting plates are respectively connected with a rotating piece and a clamping piece. According to the utility model, the sliding plate, the first rotating motor, the guide groove, the guide block, the rotating piece and the clamping piece are arranged, so that the driving shaft can be automatically rotated and moved when being forged, each part of the driving shaft can be subjected to hammer forging, and meanwhile, the driving shaft does not need to be moved by virtue of other auxiliary equipment such as a forklift and the like, so that the purchase cost of the equipment is reduced.

Description

Forging forming device for steam turbine main shaft

Technical Field

The utility model relates to the technical field of forging equipment, in particular to a forging forming device for a main shaft of a steam turbine.

Background

The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants.

In order to improve the service life of the driving shaft, the driving shaft is generally manufactured by adopting a forging process.

When forging the drive shaft, need to constantly rotate and remove it for every department of drive shaft can receive the hammer forging, gives the impurity of its inside and rejects, but because the volume ratio of drive shaft on the steam turbine is big, can't rely on the manpower to rotate and remove, adopts transportation equipment such as fork truck to carry out rotary movement to the drive shaft usually, this certainly has increased the equipment purchase cost of enterprise.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a forging forming device for a main shaft of a steam turbine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a forging forming device for steam turbine main shaft, includes the base, the outside fixed connection portal frame of base, the top surface of portal frame is equipped with the quick-witted case, be equipped with the driving piece in the machine incasement, the driving piece runs through the machine case to extend to the below of portal frame, the end of driving piece is equipped with the supporting shoe, the bottom surface fixed connection tup of supporting shoe, the below of tup is equipped with the slide, slide sliding connection is in the top surface of base, the top surface fixed connection of slide two left and right mirror symmetry's backup pad, two rotation piece and clamping part are connected respectively to the side of backup pad.

As a further description of the above technical solution: the driving piece is including the level fixing the third rotating electrical machines in the quick-witted case outside, the output transmission of third rotating electrical machines connects the second pivot, the second pivot is rotatory to be run through the machine case to extend to inside, the outer fringe of second pivot is fixed to cup joint the cam, the lower edge laminating push pedal of cam, push pedal sliding connection is in the machine incasement, the terminal fixed connection push rod of push pedal, the push rod slides and runs through the machine case to extend to the below of portal frame, supporting shoe fixed connection is in the terminal of push rod, the outer fringe of push rod cup joints the spring, the spring is located the bottom surface of push pedal with between the diapire of machine case, the top surface vertical fixation telescopic link of supporting shoe, the terminal of telescopic link with the diapire fixed connection of portal frame.

As a further description of the above technical solution: the rotating piece comprises a second rotating motor horizontally fixed on the outer side of one supporting plate, the output end of the second rotating motor is in transmission connection with a first rotating shaft, the first rotating shaft rotates to penetrate through the supporting plate, and the tail end of the first rotating shaft is fixedly connected with a first disc.

As a further description of the above technical solution: the clamping piece comprises a push rod motor horizontally fixed on the side face of the other support plate, the output end of the push rod motor is in transmission connection with a guide rod, the guide rod penetrates through the support plate in a sliding mode, and the tail end of the guide rod is rotatably connected with a second disc.

As a further description of the above technical solution: the top surface of base transversely sets up the guide way, sliding connection guide block in the guide way, the guide block with the bottom surface fixed connection of slide, the screw hole is run through to the side of guide block, threaded connection screw rod in the screw hole, the one end swivelling joint of screw rod is in the guide way, the other end swivelling joint runs through the guide way to extend to outside, the side horizontal fixed first rotating electrical machines of base, the output of first rotating electrical machines with the terminal transmission of screw rod is connected.

As a further description of the above technical solution: the bottom wall of the guide groove is transversely provided with a first sliding groove, the first sliding groove is connected with a first sliding block in a sliding mode, and the first sliding block is fixedly connected with the guide block.

The utility model has the following beneficial effects:

compared with the prior art, this forging forming device for steam turbine main shaft is convenient for carry out autogiration and removal when forging the drive shaft through setting up slide, first rotating electrical machines, guide way, guide block, rotating member and holder for every department of drive shaft can all receive the hammer forging, need not to remove the drive shaft with the help of other auxiliary assembly such as fork truck simultaneously, and then has reduced the purchase cost of equipment.

Drawings

FIG. 1 is a perspective view of the whole structure of a forging forming device for a main shaft of a steam turbine, which is provided by the utility model;

FIG. 2 is a front sectional view showing the overall structure of a forging forming device for a main shaft of a steam turbine according to the present utility model;

FIG. 3 is a side sectional view showing the overall structure of a forging forming device for a main shaft of a steam turbine according to the present utility model;

fig. 4 is an enlarged view of the structure a in fig. 2 of a forging apparatus for a main shaft of a steam turbine according to the present utility model.

Legend description:

1. a base; 2. a first rotating electric machine; 3. a slide plate; 4. a portal frame; 5. a support plate; 6. a second rotating electric machine; 7. a chassis; 8. a third rotary electric machine; 9. a support block; 10. a hammer head; 11. a push rod motor; 12. a guide groove; 13. a screw; 14. a first chute; 15. a first slider; 16. a threaded hole; 17. and a guide block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a forging forming device for a main shaft of a steam turbine: the device comprises a base 1, wherein the outer side of the base 1 is fixedly connected with a portal frame 4, the top surface of the portal frame 4 is provided with a machine case 7, a driving piece is arranged in the machine case 7, the driving piece penetrates through the machine case 7 and extends to the lower side of the portal frame 4, the tail end of the driving piece is provided with a supporting block 9, the bottom surface of the supporting block 9 is fixedly connected with a hammer head 10, a sliding plate 3 is arranged below the hammer head 10, the sliding plate 3 is slidingly connected with the top surface of the base 1, the top surface of the base 1 is transversely provided with a guide groove 12, the guide groove 12 is slidingly connected with a guide block 17 in the guide groove 12, the bottom wall of the guide groove 12 is transversely provided with a first sliding groove 14, the first sliding block 15 is slidingly connected with the guide block 17, the guide block 17 is fixedly connected with the bottom surface of the sliding plate 3, the side surface of the guide block 17 penetrates through a threaded hole 16, the threaded hole 16 is internally threaded and is connected with a screw 13, one end of the screw 13 is rotationally connected in the guide groove 12, the other end of the screw 13 is rotationally penetrated through the guide groove 12 and extends to the outside, the side surface of the base 1 is horizontally fixed with a first rotary motor 2, the output end of the first rotary motor 2 is in transmission connection with the tail end of the screw 13, the top surface of the sliding plate 3 is fixedly connected with the top surfaces of the two support plates 5, and the side surfaces of the two support plates 5 are respectively in mirror image rotation symmetry and the side surfaces of the support plates are clamped; the rotating piece comprises a second rotating motor 6 horizontally fixed on the outer side of one of the support plates 5, the output end of the second rotating motor 6 is in transmission connection with a first rotating shaft, the first rotating shaft rotates to penetrate through the support plate 5, and the tail end of the first rotating shaft is fixedly connected with a first disc; the clamping piece comprises a push rod motor 11 horizontally fixed on the side surface of the other support plate 5, the output end of the push rod motor 11 is in transmission connection with a guide rod, the guide rod penetrates through the support plate 5 in a sliding manner, and the tail end of the guide rod is rotationally connected with a second disc;

the driving piece comprises a third rotating motor 8 horizontally fixed on the outer side of the case 7, the output end of the third rotating motor 8 is in transmission connection with a second rotating shaft, the second rotating shaft rotates to penetrate through the case 7 and extends to the inside, the outer edge of the second rotating shaft is fixedly sleeved with a cam, the lower edge of the cam is attached to a push plate, the push plate is in sliding connection with the case 7, the tail end of the push plate is fixedly connected with a push rod, the push rod is in sliding penetration with the case 7 and extends to the lower side of the portal frame 4, a supporting block 9 is fixedly connected with the tail end of the push rod, the outer edge of the push rod is sleeved with a spring, the spring is positioned between the bottom surface of the push plate and the bottom wall of the case 7, a telescopic rod is vertically fixed on the top surface of the supporting block 9, and the tail end of the telescopic rod is fixedly connected with the bottom wall of the portal frame 4;

the sliding plate 3, the first rotating motor 2, the guide groove 12, the guide block 17, the rotating piece and the clamping piece are arranged, so that the driving shaft can be automatically rotated and moved when being forged, each part of the driving shaft can be subjected to hammer forging, and meanwhile, the driving shaft does not need to be moved by other auxiliary equipment such as a forklift and the like, so that the purchase cost of the equipment is reduced;

working principle: before use, the screw 13 is driven to rotate by the first rotary electric machine 2. The screw 13 drives the guide block 17 to displace, the guide block 17 drives the slide plate 3 to displace, the slide plate 3 moves to the extreme end of one side, then the heated driving shaft is horizontally placed on the slide plate 3, one side of the driving shaft is attached to the first circular plate, then the electric push rod pushes the second circular plate to transversely displace, the second circular plate is abutted to the other side of the driving shaft, then the second rotating motor 6 is started to rotate at a low speed, the second rotating motor 6 drives the first circular plate to rotate, the first circular plate drives the driving shaft and the second circular plate to rotate, then the third rotating motor 8 drives the cam to rotate, the cam drives the hammer 10 to reciprocate up and down through the push plate and the spring, the driving shaft in a low-speed rotating state is hammered, meanwhile the first rotating motor 2 reversely rotates at a low speed, the first rotating motor 2 drives the slide plate 3 to reversely displace, each position of the driving shaft can be hammered, and the driving shaft can be moved by a forklift without contacting with equipment such as a forklift.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a forging forming device for steam turbine main shaft, includes base (1), outside fixed connection portal frame (4) of base (1), the top surface of portal frame (4) is equipped with quick-witted case (7), be equipped with the driving piece in machine case (7), the driving piece runs through machine case (7) to extend to the below of portal frame (4), the end of driving piece is equipped with supporting shoe (9), the bottom surface fixed connection tup (10) of supporting shoe (9), its characterized in that: the lower part of the hammer head (10) is provided with a sliding plate (3), the sliding plate (3) is in sliding connection with the top surface of the base (1), the top surface of the sliding plate (3) is fixedly connected with two support plates (5) which are in left-right mirror symmetry, and the side surfaces of the two support plates (5) are respectively connected with a rotating part and a clamping part.

2. The forging forming apparatus for a main shaft of a steam turbine according to claim 1, wherein: the driving piece comprises a third rotating motor (8) horizontally fixed on the outer side of the case (7), the output end of the third rotating motor (8) is in transmission connection with a second rotating shaft, the second rotating shaft rotates to penetrate through the case (7) and extends to the inside, a cam is fixedly sleeved on the outer edge of the second rotating shaft, the lower edge of the cam is attached to a push plate, the push plate is slidably connected in the case (7), a push rod is fixedly connected with the tail end of the push plate, the push rod slidably penetrates through the case (7) and extends to the lower side of the portal frame (4), a supporting block (9) is fixedly connected with the tail end of the push rod, a spring is sleeved on the outer edge of the push rod, the spring is located between the bottom surface of the push plate and the bottom wall of the case (7), a telescopic rod is vertically fixed on the top surface of the supporting block (9), and the tail end of the telescopic rod is fixedly connected with the bottom wall of the portal frame (4).

3. The forging forming apparatus for a main shaft of a steam turbine according to claim 1, wherein: the rotating piece comprises a second rotating motor (6) horizontally fixed on the outer side of one supporting plate (5), the output end of the second rotating motor (6) is in transmission connection with a first rotating shaft, the first rotating shaft rotates to penetrate through the supporting plate (5), and the tail end of the first rotating shaft is fixedly connected with a first disc.

4. The forging forming apparatus for a main shaft of a steam turbine according to claim 1, wherein: the clamping piece comprises a push rod motor (11) horizontally fixed on the side face of the other support plate (5), the output end of the push rod motor (11) is in transmission connection with a guide rod, the guide rod penetrates through the support plate (5) in a sliding mode, and the tail end of the guide rod is rotatably connected with a second disc.

5. The forging forming apparatus for a main shaft of a steam turbine according to claim 1, wherein: guide slot (12) are transversely seted up to the top surface of base (1), sliding connection guide block (17) in guide slot (12), guide block (17) with the bottom surface fixed connection of slide (3), screw hole (16) are run through to the side of guide block (17), screw hole (16) internal thread connection screw rod (13), the one end swivelling joint of screw rod (13) is in guide slot (12), the other end swivelling joint runs through guide slot (12) to extend to outside, first rotating electrical machines (2) are fixed to the side level of base (1), the output of first rotating electrical machines (2) with the end transmission of screw rod (13) is connected.

6. The forging forming apparatus for a main shaft of a steam turbine according to claim 5, wherein: the bottom wall of the guide groove (12) is transversely provided with a first sliding groove (14), the first sliding groove (14) is connected with a first sliding block (15) in a sliding mode, and the first sliding block (15) is fixedly connected with the guide block (17).