CN218325854U

CN218325854U - Unit installation shaft with high bearing for steam turbine installation

Info

Publication number: CN218325854U
Application number: CN202222813977.8U
Authority: CN
Inventors: 荆宪宝; 于建波; 石婷婷
Original assignee: Huaneng Yantai Bajiao Thermoelectricity Co Ltd
Current assignee: Huaneng Yantai Bajiao Thermoelectricity Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-17
Anticipated expiration: 2032-10-25

Abstract

The utility model belongs to the technical field of the installation axle, especially, steam turbine installation is with unit installation axle that has high bearing, connect the mode complicacy to current steam turbine installation axle, many through welding or bolt installations, work efficiency is reduced, and be not convenient for change the problem, the scheme is as follows now proposed, it includes main shaft and installation axle, the connecting block is installed to the right-hand member of main shaft, the spread groove has been seted up on the right side of connecting block, installation axle and spread groove swing joint, three locating hole has been seted up in the outside of connecting block, equal slidable mounting has the locking lever in the three locating hole, three locking groove has been seted up in the outside of installation axle, locking lever and locking groove looks adaptation, the outside slidable mounting of connecting block has the lantern ring, the ring channel has been seted up to the inboard of the lantern ring, be provided with three extrusion mechanism in the ring channel, extrusion mechanism and the locking lever looks adaptation that corresponds. The utility model discloses can be convenient to installation axle installation, convenient to detach has improved work efficiency simultaneously.

Description

Steam turbine installation is with unit installation axle that has high bearing

Technical Field

The utility model relates to an installation axle technical field especially relates to a steam turbine installation is with unit installation axle that has high bearing.

Background

The existing unit mounting shaft for mounting the steam turbine is complex in connection mode, mostly mounted by welding or bolts, so that the working efficiency is reduced, and the unit mounting shaft is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current for the steam turbine installation complicated with hub connection mode, pass through welding or bolt installation more than, reduced work efficiency, and be not convenient for carry out the shortcoming of changing, and the unit installation axle that has high bearing performance is used in a steam turbine installation that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a unit installation axle that steam turbine installation was with having high bearing, including main shaft and installation axle, the connecting block is installed to the right-hand member of main shaft, the spread groove has been seted up on the right side of connecting block, installation axle and spread groove swing joint, three locating hole has been seted up in the outside of connecting block, equal slidable mounting has the locking lever in the three locating hole, three locking groove has been seted up in the outside of installation axle, locking lever and locking groove looks adaptation, the outside slidable mounting of connecting block has the lantern ring, the ring channel has been seted up to the inboard of the lantern ring, be provided with three extrusion mechanism in the ring channel, extrusion mechanism and the locking lever looks adaptation that corresponds.

Preferably, an auxiliary groove is formed in the inner wall of the positioning hole, an auxiliary block is slidably mounted in the auxiliary groove, the auxiliary block is connected with the locking rod, and the same pressure spring is mounted between the auxiliary block and the auxiliary groove.

Preferably, the extrusion mechanism includes three hornblocks, and three hornblocks link to each other with the inner wall of ring channel, and the slope has seted up the extrusion hole on the locking lever, and three hornblocks laminate mutually with the inner wall in extrusion hole.

Preferably, three stopper is installed to the inboard of the lantern ring, and three spacing groove has been seted up in the outside of connecting block, the inner wall sliding connection of stopper and spacing groove, and the one end of spring is installed in the outside of stopper, and the other end of spring links to each other with the inner wall of spacing groove.

Preferably, three helping hand poles are installed to the inner of installation axle, have seted up three helping hand groove on the inner wall of spread groove, helping hand pole and helping hand groove swing joint.

Compared with the prior art, the utility model has the advantages of:

according to the scheme, the lantern ring is pushed to extrude the extrusion hole through the triangular block, the extrusion hole drives the locking rod to move, the locking rod moves outwards and retracts into the positioning hole, the mounting shaft is inserted into the connecting groove, the boosting rod enters the boosting groove, after the lantern ring is loosened, the locking rod enters the locking groove under the elastic action of the pressure spring, the mounting shaft can be fixed, and the operation is convenient;

when the mounting shaft needs to be disassembled, the mounting shaft can be conveniently disassembled only by pushing the lantern ring again to enable the locking rod to leave the locking groove;

the utility model discloses can be convenient to installation axle installation, convenient to detach has improved work efficiency simultaneously.

Drawings

Fig. 1 is a schematic structural view of a unit mounting shaft with high load bearing for mounting a steam turbine according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a unit mounting shaft with high load bearing for mounting a steam turbine according to the present invention;

fig. 3 is a schematic structural view of a part a of a unit mounting shaft with high load bearing for mounting a steam turbine according to the present invention;

fig. 4 is a schematic cross-sectional structure view of the installation shaft provided by the present invention;

fig. 5 is a schematic structural diagram of the locking lever according to the present invention.

In the figure: 1. a main shaft; 2. connecting blocks; 3. installing a shaft; 4. a power assisting groove; 5. a booster lever; 6. a collar; 7. a limiting groove; 8. a limiting block; 9. a spring; 10. a locking groove; 11. a locking lever; 12. an auxiliary groove; 13. a pressure spring; 14. an auxiliary block; 15. extruding the hole; 16. a triangular block; 17. an annular groove.

Detailed Description

Referring to fig. 1-5, a unit installation axle with high bearing is used in steam turbine installation, including main shaft 1 and installation axle 3, connecting block 2 is installed to the right-hand member of main shaft 1, the spread groove has been seted up on the right side of connecting block 2, installation axle 3 and spread groove swing joint, three locating hole has been seted up in the outside of connecting block 2, equal slidable mounting has locking lever 11 in the three locating hole, three locking groove 10 has been seted up in the outside of installation axle 3, locking lever 11 and locking groove 10 looks adaptation, the outside slidable mounting of connecting block 2 has lantern ring 6, ring channel 17 has been seted up to the inboard of lantern ring 6, be provided with three extrusion mechanism in the ring channel 17, extrusion mechanism and the locking lever 11 looks adaptations that corresponds.

In the embodiment, an auxiliary groove 12 is formed in the inner wall of the positioning hole, an auxiliary block 14 is slidably mounted in the auxiliary groove 12, the auxiliary block 14 is connected with the locking rod 11, and a same pressure spring 13 is mounted between the auxiliary block 14 and the auxiliary groove 12; the locking lever 11 is caused to enter the locking groove 10 by the elastic force of the pressure spring 13, and the mounting shaft 3 can be fixed.

In this embodiment, the extrusion mechanism includes a triangular block 16, the triangular block 16 is connected with the inner wall of the annular groove 17, the locking rod 11 is obliquely provided with an extrusion hole 15, and the triangular block 16 is attached to the inner wall of the extrusion hole 15; the triangular block 16 presses the pressing hole 15, so that the pressing hole 15 moves the locking lever 11.

In the embodiment, three limiting blocks 8 are mounted on the inner side of the sleeve ring 6, three limiting grooves 7 are formed in the outer side of the connecting block 2, the limiting blocks 8 are connected with the inner walls of the limiting grooves 7 in a sliding mode, one ends of springs 9 are mounted on the outer sides of the limiting blocks 8, and the other ends of the springs 9 are connected with the inner walls of the limiting grooves 7; the limiting block 8 slides in the limiting groove 7, and the horizontal sliding of the lantern ring 6 can be guaranteed.

In this embodiment, three power-assisted rods 5 are installed at the inner end of the installation shaft 3, three power-assisted grooves 4 are formed in the inner wall of each connecting groove, and the power-assisted rods 5 are movably connected with the power-assisted grooves 4.

Theory of operation, in using, be connected main shaft 1 and installation axle 3, promote lantern ring 6, lantern ring 6 is through three hornblocks 16 extrusion hole 15, extrusion hole 15 drives locking lever 11 and removes, locking lever 11 outwards removes and the retraction locating hole is downthehole, install in the axle 3 inserts the spread groove, helping hand pole 5 gets into helping hand inslot 4, relax lantern ring 6 back, under the spring action of pressure spring 13, make locking lever 11 get into locking inslot 10, can be fixed with installation axle 3, high durability and convenient operation, when needing to install axle 3 and dismantle, only need promote lantern ring 6 once more, make locking lever 11 leave locking inslot 10, can conveniently dismantle installation axle 3, all structures in this application all can carry out the selection of material and length according to the in-service use condition, the attached drawing is the signal, proper adjustment can be made to specific actual size.

Claims

1. The utility model provides a steam turbine installation is with unit installation axle that has high bearing, includes main shaft (1) and installation axle (3), and connecting block (2) are installed to the right-hand member of main shaft (1), and the spread groove has been seted up on the right side of connecting block (2), and installation axle (3) and spread groove swing joint, its characterized in that, three locating hole has been seted up in the outside of connecting block (2), and equal slidable mounting has locking lever (11) in the three locating hole, and three locking groove (10) have been seted up in the outside of installation axle (3), and locking lever (11) and locking groove (10) looks adaptation, the outside slidable mounting of connecting block (2) has lantern ring (6), and ring channel (17) have been seted up to the inboard of lantern ring (6), is provided with three extrusion mechanism in ring channel (17), extrusion mechanism and corresponding locking lever (11) looks adaptation.

2. The unit mounting shaft with high load bearing for mounting the steam turbine according to claim 1, wherein an auxiliary groove (12) is formed in the inner wall of the positioning hole, an auxiliary block (14) is slidably mounted in the auxiliary groove (12), the auxiliary block (14) is connected with the locking lever (11), and a same pressure spring (13) is mounted between the auxiliary block (14) and the auxiliary groove (12); extrusion mechanism includes three hornblocks (16), and three hornblocks (16) link to each other with the inner wall of ring channel (17), and the slope has seted up extrusion hole (15) in locking lever (11), and three hornblocks (16) laminate mutually with the inner wall in extrusion hole (15).

3. The unit mounting shaft with high load bearing for mounting the steam turbine according to claim 1 or 2, wherein three limiting blocks (8) are mounted on the inner side of the sleeve ring (6), three limiting grooves (7) are formed on the outer side of the connecting block (2), and the limiting blocks (8) are slidably connected with the inner walls of the limiting grooves (7); one end of a spring (9) is installed on the outer side of the limiting block (8), and the other end of the spring (9) is connected with the inner wall of the limiting groove (7); three helping hand pole (5) are installed to the inner of installation axle (3), have seted up three helping hand groove (4) on the inner wall of spread groove, helping hand pole (5) and helping hand groove (4) swing joint.