CN217652791U

CN217652791U - Base is used in steam turbine main part installation convenient to dismouting

Info

Publication number: CN217652791U
Application number: CN202221016478.XU
Authority: CN
Inventors: 陈衍峰
Original assignee: Huaneng Jiaxiang Power Generation Co ltd
Current assignee: Huaneng Jiaxiang Power Generation Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-10-25
Anticipated expiration: 2032-04-27

Abstract

The utility model belongs to the technical field of the steam turbine main part, a steam turbine main part installation base convenient to dismouting is disclosed, including the backup pad of being connected with the steam turbine main part and the supporting seat that is used for supporting the steam turbine main part, the backup pad sets up on the supporting seat through coupling assembling detachably, set up the fixed slot on the supporting seat, the coupling assembling includes the first rack that sets up in the fixed slot and can with the second rack of first rack meshing, be provided with coupling mechanism and the drive assembly who is used for controlling the coupling assembling rotation on the backup pad, the second rack movably connects on the coupling mechanism; through the utility model discloses can carry out convenient dismouting to the steam turbine main part to the convenience is carried, is changed the steam turbine main part.

Description

Base is used in steam turbine main part installation convenient to dismouting

Technical Field

The utility model belongs to the technical field of the steam turbine main part, more specifically relates to a base is used in steam turbine main part installation convenient to dismouting.

Background

The main body of 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 blade rows rotates, and simultaneously, the rotor does work outwards. The main body of the steam turbine is the main equipment of modern thermal power plant, and is also used in metallurgical industry, chemical industry and ship power plant.

At present, the steam turbine main body and the base are directly designed into an integral type, so that the steam turbine main body cannot be effectively disassembled in use, and the steam turbine main body is inconvenient to carry and replace.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a base is used in steam turbine main part installation convenient to dismouting can dismantle the connection with steam turbine main part and base, has solved inconvenient problem of carrying, changing the steam turbine main part among the prior art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a base is used in installation of steam turbine main part convenient to dismouting, includes the backup pad of being connected with the steam turbine main part and the supporting seat that is used for supporting the steam turbine main part, the backup pad passes through coupling assembling detachably and sets up on the supporting seat, the fixed slot has been seted up on the supporting seat, coupling assembling is including setting up first rack in the fixed slot and can with first rack toothing's second rack, be provided with coupling mechanism in the backup pad and be used for control coupling assembling pivoted drive assembly, but second rack swing joint is in coupling mechanism is last.

In some embodiments of the present application, the connecting mechanism includes a bidirectional threaded rod, two ends of the bidirectional threaded rod are rotatably disposed in bearing seats, two of the bearing seats are fixed on the supporting plate, nuts are symmetrically sleeved on the bidirectional threaded rod, and the second rack is connected with the nuts through a transmission rod; the driving component is movably connected with the bidirectional threaded rod.

In some embodiments of this application, drive assembly includes the actuating lever, the one end of actuating lever is connected with the driving gear, the intermediate position of two-way threaded rod be provided with driving gear engaged with driven gear, the other end of actuating lever run through in the backup pad just installs the drive handle.

In some embodiments of the present application, a sealing bearing is embedded in the support plate, and the driving rod is connected to the support plate through the sealing bearing.

In some embodiments of this application, it is right to be provided with in the backup pad the spacing subassembly of nut, spacing subassembly is including seting up two spacing grooves in the backup pad, two be connected with the stopper on the nut, two stopper sliding connection be in the spacing inslot.

In some embodiments of the present application, a plurality of reinforcing bars are embedded in the support plate.

The utility model discloses a show the advantage and be:

the utility model discloses will be through setting up first rack and second rack in the fixed slot, fix first rack on the supporting seat, with second rack and the coupling mechanism swing joint of setting in the backup pad, rotate through drive assembly control coupling mechanism, drive the second rack motion when coupling mechanism rotates for the second rack breaks away from or meshes with first rack, with the dismouting of realization to the steam turbine main part, thereby conveniently carries, changes the steam turbine main part.

Drawings

FIG. 1 is a schematic structural view of a base for mounting a steam turbine main body, which is convenient to disassemble and assemble;

FIG. 2 is an internal structure view of the base for mounting the steam turbine main body, which is convenient to disassemble and assemble;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a steam turbine main body; 2. a supporting base; 3. a support plate; 4. a bidirectional threaded rod; 5. a fixing groove; 6. a nut; 7. a transmission rod; 8. a second rack; 9. sealing the bearing; 10. a drive rod; 11. a driving gear; 12. a driven gear; 13. a limiting block; 14. a limiting groove; 15. a bearing seat; 16. a first rack.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in figures 1 and 2, in some embodiments of the present application, a base is used in steam turbine main part installation convenient to dismouting, including backup pad 3 and supporting seat 2, backup pad 3 is fixed in the bottom of steam turbine main part 1, supporting seat 2 detachable installs on supporting seat 2, supports steam turbine main part 1 through supporting seat 2, realizes dismantling the connection between backup pad 3 and supporting seat 2 through the coupling assembling that sets up, in order to realize carrying out convenient dismouting to steam turbine main part 1, thereby conveniently carry, change steam turbine main part 1.

Specifically, the connecting assembly comprises a first rack 16 and a second rack 8 which can be connected in a meshed mode, the first rack 16 is provided with two racks, the two racks are oppositely arranged on two side walls of the fixing groove 5, the first rack 16 is also provided with two racks, the two first racks 16 are arranged on the connecting structure, the connecting mechanism is arranged on the supporting plate 3, a driving assembly is arranged on the connecting mechanism, the connecting mechanism is driven to rotate through the driving assembly, the connecting mechanism drives the two first racks 16 to move in opposite directions or move in opposite directions, the second rack 8 is meshed with or separated from the first rack 6, and the supporting plate 3 and the supporting seat 2 which are connected with the steam turbine main body 1 are detachably connected.

Specifically, coupling mechanism includes two-way threaded rod 4, two bearing frame 15 are established respectively to two pot heads of two-way threaded rod 4, two bearing frame 15 fixed connection are on backup pad 3, can rotate in bearing frame 15 when two-way threaded rod 4 atress, two department screw thread department covers of two-way threaded rod 4 are equipped with nut 6, two nut 6 set up along 4 length direction symmetries of two-way threaded rod, two second rack 8 all connect on nut 6 through the transfer line 7 of L type, the intermediate position swing joint of drive assembly and two-way threaded rod 4, when drive assembly drive two-way threaded rod 4 forward rotations, two first rack 16 move along with nut 6 and do the opposite direction motion, until with the meshing of second rack 8, when drive assembly drive two-way threaded rod 4 reverse rotations, two first rack 16 move along with nut 6 and do the opposite direction motion, until with second rack 8 complete separations.

Specifically, as shown in fig. 2 and 3, the drive assembly includes drive lever 10, the one end of drive lever 10 is connected with driving gear 11, the intermediate position of two-way threaded rod 4 is provided with driven gear 12 with driving gear 11 meshing, the other end of drive lever 10 runs through in backup pad 3 to extend to the top of backup pad 3, for convenient control drive lever 10, be provided with the drive handle on drive lever 10, through the motion of control drive lever 10, make from the driving wheel along with the action wheel rotates, thereby drive two-way threaded rod 4 and rotate.

In order to further optimize the above embodiment, a sealing bearing 9 is embedded on the support plate 3, and the driving rod 10 penetrates through the sealing bearing 9 and can rotate in the sealing bearing 9 when the driving rod 10 is stressed.

For further optimizing above-mentioned embodiment, be provided with on the backup pad 3 and be used for spacing subassembly to nut 6, spacing subassembly is including connecting stopper 13 on nut 6, has seted up two spacing grooves 14 on the backup pad 3, and the other end sliding connection of two stopper 13 is in spacing groove 14, because stopper 13 can only slide in spacing groove 14, and then realizes spacing the direction of motion of nut 6.

In some embodiments of the present application, in order to improve the supporting strength of the supporting plate 3, a plurality of reinforcing ribs are embedded in the supporting plate 3.

To sum up, the utility model provides a base is used in installation of steam turbine main part convenient to dismouting, place the backup pad on the supporting seat, two moving rack insert in the fixed slot, exert the turning force to the actuating lever afterwards, the actuating lever rotates in sealed bearing after the atress, the actuating lever drives the driving gear synchronous revolution simultaneously, it is forward rotation in two bearing frames to drive the two-way threaded rod again through the driven gear who meshes with the driving gear, two nuts on the two-way threaded rod do the motion of back to back of the body direction under the effect of two spacing subassemblies, two nuts drive two moving rack synchronous motions through two transfer lines when moving, make two moving rack and two positioning rack mesh mutually, install and fix the steam turbine main part on the supporting seat; on the contrary, the driving rod drives the bidirectional threaded rod to rotate reversely, so that the two moving racks move oppositely, the two moving racks are separated from the two positioning racks, the steam turbine main body can be detached from the supporting seat, the steam turbine main body is conveniently disassembled and assembled, and the steam turbine main body is convenient to carry and replace.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a base is used in steam turbine main part installation convenient to dismouting, a serial communication port, includes backup pad (3) be connected with steam turbine main part (1) and supporting seat (2) that are used for supporting steam turbine main part (1), backup pad (3) set up through coupling assembling detachably on supporting seat (2), fixed slot (5) have been seted up on supporting seat (2), coupling assembling is including setting up first rack (16) in fixed slot (5) and can with second rack (8) of first rack (16) meshing, be provided with coupling mechanism on backup pad (3) and be used for control coupling assembling pivoted drive assembly, second rack (8) swing joint be in on the coupling mechanism.

2. The base convenient for mounting and dismounting of the steam turbine main body according to claim 1, wherein the connecting mechanism comprises a bidirectional threaded rod (4), two ends of the bidirectional threaded rod (4) are rotatably arranged in bearing seats (15), the two bearing seats (15) are fixed on the supporting plate (3), nuts (6) are symmetrically sleeved on the bidirectional threaded rod (4), and the second rack (8) is connected with the nuts (6) through a transmission rod (7); the driving component is movably connected with the bidirectional threaded rod (4).

3. The base convenient for mounting and dismounting of a steam turbine main body according to claim 2, wherein the driving assembly comprises a driving rod (10), one end of the driving rod (10) is connected with a driving gear (11), a driven gear (12) meshed with the driving gear (11) is arranged at the middle position of the bidirectional threaded rod (4), and the other end of the driving rod (10) penetrates through the supporting plate (3) and is provided with a driving handle.

4. The turbine main body installation base convenient to disassemble and assemble according to claim 3, wherein a sealing bearing (9) is embedded in the support plate (3), and the drive rod (10) is connected with the support plate (3) through the sealing bearing (9).

5. The steam turbine main body installation base convenient to disassemble and assemble according to claim 2, wherein a limiting component used for limiting the nuts (6) is arranged on the supporting plate (3), the limiting component comprises two limiting grooves (14) formed in the supporting plate (3), limiting blocks (13) are connected to the two nuts (6), and the two limiting blocks (13) are connected in the limiting grooves (14) in a sliding mode.

6. The turbine main body installation base convenient to disassemble and assemble according to claim 1, wherein a plurality of reinforcing ribs are embedded in the supporting plate (3).