CN211940547U

CN211940547U - Blade placing support of steam turbine of thermal power plant

Info

Publication number: CN211940547U
Application number: CN201922303085.1U
Authority: CN
Inventors: 曹亮; 杨博; 刘永鑫; 白昺; 李元城; 焦志新
Original assignee: Jingtai Power Plant Of Datang Gansu Power Generation Co ltd
Current assignee: Huaneng Gansu Energy Development Co.,Ltd.; JINGTAI POWER PLANT OF DATANG GANSU POWER GENERATION Co.,Ltd.
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-11-17
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a blade placing bracket of a steam turbine of a thermal power plant, which comprises a base, wherein a placing table is fixedly arranged at the top of the base, an arc-shaped groove is arranged at the top of the placing table, vertical plates are fixedly arranged at the tops of two ends of the placing table, the top ends of the vertical plates are fixedly connected to the bottom of the top plate, a double-threaded screw rod is rotatably connected in the rectangular groove, a sliding block is sleeved on the threaded portion at two ends of the double-threaded screw rod, the pressing component comprises a cylinder fixedly connected to the bottom of the sliding block, a sleeve is sleeved on the outer wall of the cylinder in a sliding manner, a circular cavity is arranged in the cylinder, a spring is fixedly connected to the top surface in the circular cavity, a sliding disc is fixedly connected to the free end of the spring, a connecting rod is fixedly arranged at the bottom of the sliding disc, and the bottom of the sleeve is fixedly provided with an installation rod, the bottom of the installation rod is fixedly provided with a pressing ball, and the bottom of the pressing ball movably abuts against the arc-shaped groove.

Description

Blade placing support of steam turbine of thermal power plant

Technical Field

The utility model relates to a technical field is put to the blade of steam turbine, specifically is a support is put to blade of steam power plant's steam turbine.

Background

The steam turbine, also called a steam turbine engine, 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, meanwhile, the turbine applies work to the outside, is the main equipment of the modern thermal power plant, is also used in the metallurgical industry, the chemical industry and the ship power device, in the assembling process of the steam turbine, the blade is an indispensable assembling component and one of the most important parts, the blade needs to be matched with the bracket for placing due to the appearance of the blade, however, the existing bracket is unstable and easy to collide and extrude with each other when being stored, the blade can be eliminated once being deformed, and can not be used continuously, thereby causing waste, and the production cost of the steam turbine of the thermal power plant is increased, and therefore a blade placing support of the steam turbine of the thermal power plant is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support is put to blade of steam turbine of steam power plant 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: a blade placing support of a steam turbine of a thermal power plant comprises a base, wherein a placing table is fixedly arranged at the top of the base, an arc-shaped groove is formed in the top of the placing table, vertical plates are fixedly arranged at the tops of two ends of the placing table, the top ends of the vertical plates are fixedly connected to the bottom of a top plate, a rectangular groove is formed in the top of the top plate, the bottom of the rectangular groove is open, a double-headed screw is rotatably connected in the rectangular groove, a sliding block is sleeved on a threaded portion at two ends of the double-headed screw in a threaded manner, a pressing component is fixedly arranged at the bottom of the sliding block and comprises a cylinder fixedly connected to the bottom of the sliding block, a sleeve is slidably sleeved on the outer wall of the cylinder, the bottom of the sleeve is a closed end, a circular cavity is formed in the cylinder, a spring is fixedly connected to the top surface in the circular cavity, and the bottom of the sliding disc is fixedly provided with a connecting rod, the bottom end of the connecting rod penetrates through the circular cavity in a sliding manner and is fixedly connected with the inner bottom surface of the sleeve, the bottom of the sleeve is fixedly provided with an installation rod, the bottom of the installation rod is fixedly provided with a pressure-holding ball, and the bottom of the pressure-holding ball movably abuts against the arc-shaped groove.

As an optimal technical scheme of the utility model, the slider is the rectangular block, and the outer wall of slider slides the laminating on the rectangular channel inner wall.

As an optimal technical scheme of the utility model, the surface of arc recess inner wall and pressure holding ball all covers and is equipped with the one deck rubber layer.

As a preferred technical scheme of the utility model, the fixed drum that is equipped with in telescopic one end lateral wall upper end, the drum is the open end towards telescopic one end, and slides in the drum and peg graft and have the brake lever, the brake lever is kept away from telescopic one end and is fixed to be equipped with and hold between the fingers the piece, and the other end of brake lever extends to and pegs graft with the braking hole activity that the cylinder outer wall was equipped with in the sleeve, the braking hole is straight line distribution from top to bottom and is equipped with a plurality of.

As an optimal technical scheme of the utility model, the brake lever is located the fixed one deck iron sheet that is equipped with in one end in the braking hole, the inner wall in braking hole is equipped with one deck magnet with the iron sheet cooperation, magnet and iron sheet magnetic adsorption.

As a preferred technical scheme of the utility model, the fixed gag lever post that is cyclic annular distribution of a plurality of that is equipped with of one end outer wall that the brake lever is located the drum, be equipped with the spacing groove with the gag lever post cooperation in the drum, sliding joint has the one end of gag lever post in the spacing groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the hand wheel is rotated to drive the double-end screw to rotate, so that the sliding blocks at the two ends of the double-end screw are close to or far away from each other, the pressing and holding component is driven to move synchronously, the device can press and hold the blades of different specifications, the blades are prevented from being extruded and deformed, the storage effect is good, the traditional placing support is relatively good, and the applicability is wider.

Drawings

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

FIG. 2 is a schematic view of the internal connection structure of the middle pressure holding member of the present invention;

fig. 3 is an enlarged structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a base 1, a placing table 2, an arc groove 21, a vertical plate 22, a top plate 3, a rectangular groove 31, a double-threaded screw rod 32, a sliding block 33, a hand wheel 34, a pressing and holding member 4, a cylinder 41, a sleeve 42, a circular cavity 43, a spring 44, a sliding disc 45, a connecting rod 46, a mounting rod 47, a pressing and holding ball 48, a cylinder 49, a brake rod 410, an iron sheet 411, a brake hole 412, a magnet sheet 413, a pinching block 414, a limiting rod 415 and a limiting groove 416.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a blade placing support of a steam turbine of a thermal power plant comprises a base 1, a placing table 2 is fixedly arranged at the top of the base 1, an arc-shaped groove 21 is formed in the top of the placing table 2, vertical plates 22 are fixedly arranged at the tops of two ends of the placing table 2, the top ends of the vertical plates 22 are fixedly connected to the bottom of a top plate 3, the bottom of a rectangular groove 31 of the top plate 3 is provided with a rectangular groove 31 and is open, a double-headed screw 32 is rotatably connected in the rectangular groove 31, a sliding block 33 is sleeved on a threaded portion at two ends of the double-headed screw 32 in a threaded manner, a pressing member 4 is fixedly arranged at the bottom of the sliding block 33, the pressing member 4 comprises a cylinder 41 fixedly connected to the bottom of the sliding block 33, a sleeve 42 is sleeved on the outer wall of the cylinder 41 in a sliding manner, the bottom of the sleeve 42 is closed end, a circular cavity 43 is, the sliding disc 45 is slidably clamped in the circular cavity 43, the bottom of the sliding disc 45 is fixedly provided with a connecting rod 46, the bottom end of the connecting rod 46 slidably penetrates through the circular cavity 43 to be fixedly connected with the inner bottom surface of the sleeve 42, the bottom of the sleeve 42 is fixedly provided with an installation rod 47, the bottom of the installation rod 47 is fixedly provided with a pressing ball 48, the bottom of the pressing ball 48 is movably abutted in the arc-shaped groove 21, the upper end of the side wall at one end of the sleeve 42 is fixedly provided with a cylinder 49, one end of the cylinder 49 facing the sleeve 42 is an open end, the cylinder 49 is slidably inserted with a brake rod 410, one end of the brake rod 410 far away from the sleeve 42 is fixedly provided with a kneading block 414, the other end of the brake rod 410 extends into the sleeve 42 to be movably inserted with a brake hole 412 arranged on the outer wall of the cylinder 41, the brake hole 412 is provided with a plurality of brake holes 412 in a straight line distribution from top to bottom, one end of, the magnet 413 and the iron sheet 411 are magnetically adsorbed, when the device is used in daily life, the blades are placed in the arc-shaped groove 21 at the top of the placing table 2, the concave surfaces of the blades face upwards, then the hand wheel 34 is rotated to drive the double-end screw 32 to rotate, further the sliding blocks 33 at the two ends of the double-end screw 32 are mutually close to or mutually far away from each other, so that the pressing and holding member 4 is driven to synchronously move, the device can press and hold the blades with different specifications, when the pressing and holding ball 48 on the pressing and holding member 4 is positioned above the blades, the rotation of the hand wheel 34 is stopped, one hand holds the sleeve 42, the other hand pulls the kneading block 414 to separate the brake rod 410 from the brake hole 412, further the magnet 413 and the iron sheet 411 are separated, the sleeve 49 is unlocked, the sleeve 49 after unlocking enables the sliding disc 45 and the connecting rod 46 to move downwards by utilizing the elasticity of the spring 44, further drives the sleeve 42, the mounting rod, the pressing and holding ball 48 is pressed in the concave surface of the blade to fix and press the blade, the blade is prevented from shaking on the placing table 2, the sleeve 42 moves downwards along with the spring 44, one hand of an operator must tightly hold the sleeve 42 to prevent the sleeve 42 from falling down instantly to damage the blade, finally, the brake rod 410 is inserted into the brake hole 412, and the sleeve 42 is locked by utilizing the magnetic adsorption of the magnet 413 and the iron sheet 411.

Slider 33 is the rectangular block, and the outer wall sliding fit of slider 33 is on rectangular channel 31 inner wall, guarantees slider 33 rectilinear motion's stability.

The inner wall of the arc-shaped groove 21 and the outer surface of the pressure holding ball 48 are covered with a rubber layer, so that the abrasion between the inner wall and the outer surface of the blade is reduced, and the protection effect is achieved.

The outer wall of one end of the brake rod 410, which is located in the cylinder 49, is fixedly provided with a plurality of limit rods 415 which are distributed in an annular shape, a limit groove 416 is arranged in the cylinder 49 and matched with the limit rods 415, and one end of the limit rod 415, which is clamped with the limit rod 416 in the limit groove 416 in a sliding manner, ensures the stable pulling of the brake rod 410.

The working principle is as follows: the utility model discloses when daily use, place the blade in placing the arc recess 21 at platform 2 top, the concave surface of blade up, rotate hand wheel 34 afterwards and drive double-end screw 32 and rotate, and then make the slider 33 at double-end screw 32 both ends be close to each other or keep away from each other, thereby it also does synchronous motion to drive and press and hold component 4, make the device press and hold to the blade of different specifications, when pressing and holding ball 48 on pressing and holding component 4 and being located the blade top, stop the rotation of hand wheel 34, sleeve 42 is held to one hand, another hand pulling is held between the fingers piece 414 and is made brake lever 410 break away from braking hole 412, and then make magnet 413 and iron sheet 411 also realize separating, realize the unblock of sleeve 49, sleeve 49 after the unblock utilizes the elasticity of spring 44, make sliding plate 45, connecting rod 46 downstream, and then drive sleeve 42, installation pole 47, press and hold ball 48 and also together downstream, press and hold ball 48 in the concave surface of blade through pressing and holding, the vanes are fixed and pressed, the vanes are prevented from shaking on the placing table 2, the sleeve 42 moves downwards along with the spring 44, one hand of an operator must tightly hold the sleeve 42 to prevent the sleeve 42 from instantly falling down to damage the vanes, finally, the brake rod 410 is inserted into the brake hole 412, and the magnets 413 and the iron sheets 411 are magnetically adsorbed to realize the locking of the sleeve 42.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a support is put to blade of steam turbine of steam power plant, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a placing table (2), the top of the placing table (2) is provided with an arc-shaped groove (21), the tops of two ends of the placing table (2) are fixedly provided with vertical plates (22), the top ends of the vertical plates (22) are fixedly connected to the bottom of the top plate (3), the top of the top plate (3) is provided with a rectangular groove (31), the bottom of the rectangular groove (31) is open, the rectangular groove (31) is rotatably connected with a double-end screw rod (32), the threaded parts at two ends of the double-end screw rod (32) are in threaded sleeve connection with a sliding block (33), the bottom of the sliding block (33) is fixedly provided with a pressing member (4), the pressing member (4) comprises a cylinder (41) fixedly connected to the bottom of the sliding block (33), the outer wall of the cylinder (41) is in sliding sleeve connection with a sleeve (42), and the, and cylinder (41) inside is equipped with circular chamber (43), top surface fixedly connected with spring (44) in circular chamber (43), the free end fixedly connected with sliding tray (45) of spring (44), sliding tray (45) slip joint is in circular chamber (43), and the bottom of sliding tray (45) is fixed and is equipped with connecting rod (46), the bottom of connecting rod (46) slides and runs through circular chamber (43) and sleeve (42) inner bottom fixed connection, and sleeve (42) bottom is fixed and is equipped with installation pole (47), the bottom of installation pole (47) is fixed and is equipped with pressure ball (48), the bottom activity of pressure ball (48) is supported and is closed in arc recess (21).

2. The blade placing bracket for the steam turbine of the thermal power plant according to claim 1, characterized in that: the sliding block (33) is a rectangular block, and the outer wall of the sliding block (33) is attached to the inner wall of the rectangular groove (31) in a sliding mode.

3. The blade placing bracket for the steam turbine of the thermal power plant according to claim 1, characterized in that: the inner wall of the arc-shaped groove (21) and the outer surface of the pressing ball (48) are covered with a rubber layer.

4. The blade placing bracket for the steam turbine of the thermal power plant according to claim 1, characterized in that: the fixed drum (49) that is equipped with in one end lateral wall upper end of sleeve (42), drum (49) are the open end towards the one end of sleeve (42), and slide in drum (49) and peg graft and have brake lever (410), the one end that sleeve (42) were kept away from in brake lever (410) is fixed to be equipped with and holds between the fingers piece (414), and the other end of brake lever (410) extend to in sleeve (42) with the braking hole (412) activity grafting that cylinder (41) outer wall was equipped with, braking hole (412) are the straight line distribution from top to bottom and are equipped with a plurality of.

5. The blade placing bracket for the steam turbine of the thermal power plant according to claim 4, wherein: the brake rod (410) is located one end of braking hole (412) and is fixed and be equipped with one deck iron sheet (411), the inner wall and the iron sheet (411) cooperation of braking hole (412) are equipped with one deck magnet (413), magnet (413) and iron sheet (411) magnetic adsorption.

6. The blade placing bracket for the steam turbine of the thermal power plant according to claim 4, wherein: the brake rod (410) is located the fixed gag lever post (415) that is a plurality of cyclic annular distribution that is equipped with of one end outer wall in drum (49), be equipped with spacing groove (416) with gag lever post (415) cooperation in drum (49), the one end that sliding clamp has gag lever post (415) in spacing groove (416).