CN217808317U

CN217808317U - Steam turbine bearing overhauls equipment of lifting by crane

Info

Publication number: CN217808317U
Application number: CN202221710184.7U
Authority: CN
Inventors: 赵宾; 凌波; 宋晓东; 周冰; 尹彬豪
Original assignee: Sichuan Huadian Gongxian Power Generation Co ltd
Current assignee: Sichuan Huadian Gongxian Power Generation Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-15
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a steam turbine bearing overhauls lifting equipment belongs to steam turbine bearing and overhauls technical field, including the gallows and connect the spliced pole in the bottom of gallows, the bottom fixedly connected with lifting rope of spliced pole, the bottom of lifting rope is connected with lifting hook, the bottom of spliced pole still is connected with spacing pipe, the below of gallows has been provided with a plurality of diaphragm, be connected with a plurality of electric push rod between diaphragm and the gallows, the bottom of diaphragm is connected with two connecting seats, two equal fixedly connected with pivot, two between two vertical portions of connecting seat the periphery of pivot all rotates and is connected with the butt pole, two the free end of butt pole all rotates and is connected with the butt wheel, two the adjacent side of butt pole all is provided with the gangbar. This turbine bearing overhauls equipment of lifting by crane can be with the degree of rocking of the in-process bearing box that lifts by crane, and overall structure is stable, the flexibility is strong.

Description

Steam turbine bearing overhauls equipment of lifting by crane

Technical Field

The utility model belongs to the technical field of steam turbine bearing overhauls, concretely relates to steam turbine bearing overhauls lifting equipment.

Background

The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. The steam turbine is the main equipment of modern thermal power factory, and the equipment in the thermal power factory needs regularly to maintain and overhaul, overhauls when maintaining the bearing of steam turbine, needs to use corresponding equipment of lifting by crane to hoist the upper half of bearing box to make things convenient for technical staff to operate. The hoisting equipment used in general market places is mostly directly connected with the bearing box through connecting pieces such as lifting hooks and the like, and the whole hoisting equipment is lack of a certain limiting assembly, so that the situation that the bearing box shakes easily occurs in the hoisting process.

Therefore, in order to meet the current situation, designing and producing a turbine bearing overhauling and hoisting device is urgently needed so as to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine bearing overhauls equipment of lifting by crane to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steam turbine bearing overhauls lifting device, includes the gallows and connects the spliced pole in the bottom of gallows, the bottom fixedly connected with lifting rope of spliced pole, the bottom of lifting rope is connected with lifting hook, the bottom of spliced pole still is connected with spacing pipe, the below of gallows of having played is provided with a plurality of diaphragm, be connected with a plurality of electric push rod between diaphragm and the gallows, the bottom of diaphragm is connected with two connecting seats, two equal fixedly connected with pivot, two between two vertical portions of connecting seat the periphery of pivot all rotates and is connected with the butt rod, two the free end of butt rod all rotates and is connected with the butt wheel, two the adjacent side of butt rod all is provided with the gangbar.

Furthermore, two linkage blocks are arranged between the connecting seats, two ends of the linkage rod are hinged to the linkage blocks and the linkage rod respectively, a T-shaped sliding groove is formed in the bottom end of the transverse plate, and the linkage blocks are connected with the sliding groove in a sliding mode.

Furthermore, the periphery that sets up at the lifting rope is encircleed to spacing pipe, the elastic rubber circle of inner wall connection of spacing pipe, the bottom of spacing pipe is connected with the spacing circle.

Further, the bottom of diaphragm is connected with two positive and negative motors, two the equal transmission of positive and negative motor's output shaft is connected with the threaded rod, the linkage piece seted up the screw through-hole and with threaded rod threaded connection, the one end that positive and negative motor was kept away from to the threaded rod rotates with the connecting seat to be connected.

Furthermore, a plurality of hangers are connected to the top end of the lifting frame.

Furthermore, the inner side surface of the limiting pipe is connected with a sliding rod, the two opposite side surfaces of the transverse plate are connected with extension plates, and the sliding rod is connected with the extension plates in a sliding mode.

Furthermore, vertical spout has been seted up to the side of extension board, the free end of slide bar rotates and is connected with the ball, and the slide bar passes through ball and spout sliding connection.

The utility model discloses a technological effect and advantage: according to the steam turbine bearing overhauling lifting equipment, the limiting pipe is arranged on the periphery of the lifting rope, the movement of the lifting rope can be limited to a certain extent, and the arrangement of the rubber ring and the limiting ring can not only slow down the shaking degree of the lifting rope, but also prevent the lifting rope from directly contacting with the limiting pipe, so that the abrasion of the lifting rope is reduced;

due to the arrangement of the transverse plate, the connecting seat, the rotating shaft, the abutting rod and the abutting wheel, the abutting wheel can abut against the top end of the bearing box in the lifting process, namely, the bearing box can be limited and fixed in the lifting process, and the shaking degree of the bearing box can be reduced;

the angle between the butting rod and the connecting seat can be adjusted due to the arrangement of the positive and negative motors, the threaded rod, the linkage block and the linkage rod, and the butting wheel can move up and down due to the arrangement of the electric push rod, so that the position of the butting wheel can be adjusted according to specific requirements during actual use, and the flexibility during integral use is improved;

due to the arrangement of the abutting plate and the sliding rod, the stability of the transverse plate in the up-and-down movement process can be improved, and the overall structural stability can be enhanced; this turbine bearing overhauls equipment of lifting by crane can be with the degree of rocking of the in-process bearing box that lifts by crane, and overall structure is stable, the flexibility is strong.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view of the connecting post and the limiting tube of the present invention;

fig. 4 is a cross-sectional view of the cross plate of the present invention;

fig. 5 is a schematic structural view of the connecting seat of the present invention.

In the figure: 1. lifting the hanger; 2. connecting columns; 3. lifting a lifting rope; 4. lifting a lifting hook; 5. a limiting pipe; 6. a transverse plate; 7. an electric push rod; 8. a connecting seat; 9. a rotating shaft; 10. abutting against the connecting rod; 11. a butting wheel; 12. a linkage rod; 13. a linkage block; 14. a rubber ring; 15. a limiting ring; 16. a positive and negative motor; 17. a threaded rod; 18. hanging a lug; 19. a slide bar; 20. an extension plate.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to satisfy the demand of lifting by crane, and carry out certain spacing processing to lifting rope 3 at the in-process of lifting by crane, stability when lifting by crane in order to promote whole, as shown in fig. 1-5, the utility model provides a steam turbine bearing overhauls lifting equipment, including lifting frame 1 and the spliced pole 2 of fixed welding in lifting frame 1's bottom, the fixed welding in top of lifting frame 1 has a plurality of hangers 18, the bottom fixedly connected with lifting rope 3 of spliced pole 2, the bottom mounting system of lifting rope 3 has lifting hook 4, the bottom of spliced pole 2 still is connected with spacing pipe 5, spacing pipe 5 passes through the bolt and is connected with spliced pole 2, spacing pipe 5 encircles the periphery that sets up at lifting rope 3, the fixed elastic rubber circle 14 that bonds of inner wall of spacing pipe 5, the bottom mounting of spacing pipe 5 bonds and has spacing ring 15, and the material of spacing ring 15 is the same with rubber circle 14 material, and rubber circle 5 surface sets up to the arc structure, spacing ring 15 and rubber ring 14's setting, the effort that can produce when shaking lifting rope 3 rocks is cushioned, the degree of reducing lifting rope 3.

In order to butt fixed bearing case when lifting, further promote the stability when whole lifts by crane, as shown in fig. 2 and fig. 5, the below of lifting frame 1 is provided with a plurality of diaphragm 6, diaphragm 6 and the welding of lifting frame 1 between have a plurality of electric push rod 7, electric push rod 7 is provided with two at least, and the stiff end and the expansion end of electric push rod 7 respectively with lifting frame 1 and diaphragm 6 fixed weld, the bottom mounting welding of diaphragm 6 has two connecting seats 8, and two connecting seats 8 symmetry set up, it has pivot 9 to all fix the grafting between two vertical portions of two connecting seats 8, the periphery of two pivot 9 is all rotated and is connected with butt rod 10, the free end of two butt rod 10 is all rotated and is connected with butt wheel 11, setting up of electric push rod 7 makes diaphragm 6 can take movable wheel 11 to reciprocate, can promote the flexibility when whole actual use.

In order to adjust the position of butt joint wheel 11, in order to satisfy the butt demand under the different situation, as shown in fig. 2, fig. 4 and fig. 5, the side that two butt joint poles 10 are adjacent all is provided with gangbar 12, be provided with two linkage blocks 13 between two connecting seats 8, the both ends of gangbar 12 are articulated with linkage block 13 and gangbar 12 respectively, the spout of T style of calligraphy is seted up to the bottom of diaphragm 6, and linkage block 13 and spout sliding connection, the bottom mounting welding of diaphragm 6 has two positive and negative motors 16, the equal transmission of output shaft of two positive and negative motors 16 is connected with threaded rod 17, linkage block 13 has seted up the screw through-hole and is connected with threaded rod 17 threaded connection, the one end that positive and negative motors 16 were kept away from to threaded rod 17 rotates with connecting seat 8 and is connected.

In order to improve the stability when the transverse plate 6 moves up and down and improve the structural stability when the whole body is lifted, as shown in fig. 1-3, the inner side surface of the limiting pipe 5 is connected with a slide rod 19 through a bolt, extension plates 20 are welded on the two opposite side surfaces of the transverse plate 6, the slide rod 19 is in sliding connection with the extension plates 20, vertical sliding grooves are formed in the side surfaces of the extension plates 20, the free ends of the slide rod 19 are rotatably connected with balls, the slide rod 19 is in sliding connection with the sliding grooves through the balls, when the transverse plate 6 moves up and down, the slide rod 19 and the extension plates 20 are arranged, the motion of the transverse plate 6 can be guided, and when the transverse plate 6 is static relative to the lifting frame 1, the arrangement of the slide rod 19 and the extension plates 20 can improve the structural stability of the whole body.

The theory of operation, this steam turbine bearing overhauls lifting equipment, during the in-service use, with whole and external power switch-on, it is connected with corresponding crane to have played gallows 1 through hangers 18, and will play the suitable position of gallows 1 removal to the bearing box of steam turbine's top through the crane, then connect the bearing box through lifting hook 4, then adjust electricity push rod 7 and make drive diaphragm 6 remove to the height, then adjust positive and negative motor 16, positive and negative motor 16 drive threaded rod 17 rotates, threaded rod 17 rotates and makes linkage piece 13 along the removal of diaphragm 6, make butt rod 10 rotate round pivot 9 under the effect of gangbar 17, and then adjust the position of butt wheel 11, make butt wheel 11 butt on the top of bearing box.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a steam turbine bearing overhauls equipment of lifting by crane, includes gallows (1) and connects spliced pole (2) in the bottom of gallows (1), its characterized in that: the utility model discloses a supporting pole, including spliced pole (2), the bottom fixedly connected with lifting rope (3) of spliced pole (2), the bottom of lifting rope (3) has been connected with lifting hook (4), the bottom of spliced pole (2) still is connected with spacing pipe (5), the below of lifting bracket (1) has been provided with a plurality of diaphragm (6), be connected with a plurality of electric push rod (7) between diaphragm (6) and the lifting bracket (1), the bottom of diaphragm (6) is connected with two connecting seats (8), two equal fixedly connected with pivot (9), two between two vertical portions of connecting seat (8) the periphery of pivot (9) all rotates and is connected with butt rod (10), two the free end of butt rod (10) all rotates and is connected with butt wheel (11), two the adjacent side of butt rod (10) all is provided with gangbar (12).

2. The steam turbine bearing overhaul lifting device according to claim 1, wherein: two be provided with two linkage blocks (13) between connecting seat (8), the both ends of gangbar (12) are articulated with linkage block (13) and gangbar (12) respectively, the spout of T style of calligraphy is seted up to the bottom of diaphragm (6), and linkage block (13) and spout sliding connection.

3. The steam turbine bearing overhaul lifting device according to claim 1, wherein: spacing pipe (5) encircle the periphery that sets up at lifting rope (3), the inner wall connection of spacing pipe (5) is elastic rubber circle (14), the bottom of spacing pipe (5) is connected with spacing collar (15).

4. The turbine bearing overhaul lifting device of claim 2, wherein: the bottom of diaphragm (6) is connected with two positive and negative motors (16), two the equal transmission of output shaft of positive and negative motor (16) is connected with threaded rod (17), linkage piece (13) seted up the screw thread through-hole and with threaded rod (17) threaded connection, the one end that positive and negative motor (16) were kept away from in threaded rod (17) rotates with connecting seat (8) and is connected.

5. The steam turbine bearing overhaul lifting device according to claim 1, wherein: the top end of the lifting frame (1) is connected with a plurality of hangers (18).

6. The steam turbine bearing overhaul lifting device according to claim 1, wherein: the inner side surface of the limiting pipe (5) is connected with a sliding rod (19), two opposite side surfaces of the transverse plate (6) are connected with extension plates (20), and the sliding rod (19) is in sliding connection with the extension plates (20).

7. The turbine bearing overhaul lifting device of claim 6, wherein: vertical spout has been seted up to the side of extension board (20), the free end of slide bar (19) rotates and is connected with the ball, and slide bar (19) pass through ball and spout sliding connection.