CN214145598U - Long-life high-sealing air cylinder of steam turbine - Google Patents

Abstract

The utility model discloses a high sealed cylinder of steam turbine long-life relates to the cylinder field for the steam turbine, including the cylinder main part, the bottom of cylinder main part is installed and is filtered the storehouse, filters the bottom in storehouse and has seted up the air intake, and the bottom one side of filtering the storehouse is provided with the baffle, and the inside of filtering the storehouse is connected with two first racks and two second racks respectively. The utility model discloses an activated carbon plate, first rack, the second rack, the support column, spring and slider play the convenient filter screen that washs and increase filter screen filter effect to the cylinder, at first make a first rack and a second rack can be taken out through opening the baffle, stimulate a second rack downwards, make the filter screen can be taken out, later stimulate the filter screen and make another second rack slide, make the spring withdrawal simultaneously, increase the filter effect of filter screen, make things convenient for the dismantlement clearance of filter screen and activated carbon plate simultaneously, increase the life of cylinder.

Description

Long-life high-sealing air cylinder of steam turbine

Technical Field

The utility model relates to a cylinder field for the steam turbine specifically is a long-life high sealed cylinder of steam turbine.

Background

The steam turbine is a rotary power machine for converting steam into mechanical work, also called steam turbine, mainly used as prime mover for power generation and also as driving source for direct drive, the multistage steam turbine includes stator composed of high and medium pressure cylinders, low pressure cylinder, air inlet part, partition, static blades, air seal and bearing, etc., and rotor composed of main shaft, impeller, moving blades and coupling, in which the cylinder is the casing of the steam turbine and is used for separating the cocurrent part of the steam turbine from atmosphere to form closed air chamber to ensure that the steam completes energy conversion process in the steam turbine, and the cylinder is equipped with nozzle chamber, partition sleeve, static blades, etc., and is connected with air inlet, exhaust and air exhaust pipelines.

Current steam turbine cylinder, most filtration simple structure, the filter screen stops the effect poor and be not convenient for to the filter screen clearance, leads to the life of cylinder to reduce, and inconvenient use, and current steam turbine cylinder, most simple structure, the lubricated effect of piston rod is poor, and easy oil leak leads to the piston rod to use the back wearing and tearing of overlength serious, needs often to change the piston rod, inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of simple filtering structure and poor lubricating effect of a piston rod, the long-service-life high-sealing air cylinder of the steam turbine is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a long-life high-sealing air cylinder of a steam turbine comprises an air cylinder main body, wherein a filter bin is installed at the bottom of the air cylinder main body, an air inlet is formed in the bottom of the filter bin, a baffle is arranged on one side of the bottom of the filter bin, two first placing frames and two second placing frames are respectively connected inside the filter bin, three activated carbon plates are connected to the tops of the two first placing frames, filter screens are connected to the tops of the two second placing frames, sliding blocks are connected to one sides of the two first placing frames and one side of the second placing frames, supporting columns are connected to the bottoms of the two sliding blocks, springs are connected to the bottoms of the other two sliding blocks, a piston rod and a lubricating bin are respectively penetrated through the inside of the air cylinder main body, oil injection holes are formed in two sides of the piston rod, an oil inlet is formed in the top of the lubricating bin, and an oil bin is formed in the lubricating bin, both sides of the bottom of the oil bin are connected with oil conveying pipes, and one ends of the two oil conveying pipes are connected with oil outlets.

Preferably, the bottoms of the two oil delivery pipes are inclined downwards along the direction of the oil outlet, and the oil outlet is tightly attached to the piston rod.

Preferably, the inside both sides of crossing the filter bin all are provided with the guide post, just first rack and second rack all pass through slider and guide post sliding connection.

Preferably, the first placing frame is C-shaped, and the second placing frame is L-shaped.

Preferably, the filter screen is connected with the filter bin through second rack and slider dismantlement, and is three the activated carbon plate all is connected with the filter bin dismantlement through first rack and slider.

Preferably, one side of baffle is provided with the pivot, just the baffle passes through the pivot and filters the storehouse and rotate and be connected.

Preferably, the oil bin is ring-shaped, and two sides of the bottom of the oil bin are inclined downwards along the direction of the oil conveying pipe.

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

1. the utility model has the advantages that the air cylinder is conveniently cleaned and the filtering effect of the filter screen is increased through the activated carbon plate, the first placing frame, the second placing frame, the supporting columns, the springs and the sliding blocks, firstly, one first placing frame and one second placing frame can be taken out by opening the baffle, the second placing frame is pulled downwards to take out the filter screen, then, the filter screen is pulled to slide the other second placing frame, the springs are retracted, the filter screen is conveniently taken out and cleaned, after the filter screen is taken out, one first placing frame is taken out to enable the three activated carbon plates to be taken out, then, the activated carbon plate is pulled to slide the other first placing frame, the springs are retracted at the same time, the activated carbon plates are conveniently taken out and cleaned, after the activated carbon plates and the filter screen are put back, the filter screen filters the sucked air flow for the first time, then, the air pump is adsorbed by the three activated carbon plates, the air flow is filtered for the second time, so that the filtering effect of the filter screen is improved, the filter screen and the activated carbon plate are convenient to disassemble and clean, and the service life of the air cylinder is prolonged;

2. the utility model discloses an oil bin, defeated oil pipe, oil-out and filler point play convenient lubrication to the piston rod, prevent the extravagant effect of lubricating oil, the annular design of oil bin, make a plurality of units of outer lane of piston rod can be lubricated by the while, defeated oil pipe's design makes lubricating oil receive the influence of gravity and gets into oil outlet department, because piston rod and oil-out closely laminate, the piston rod blocks up the oil-out, prevent that lubricating oil from flowing always and causing the waste, lubricating oil can only lubricate the piston rod through the filler point at the piston rod during operation, the convenience is lubricated to the piston rod, and prevent that lubricating oil from flowing always and causing the waste.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the filtering chamber of the present invention;

FIG. 3 is a schematic sectional view of the lubrication chamber of the present invention;

fig. 4 is a schematic view of the slider structure of the present invention.

In the figure: 1. a cylinder main body; 2. a piston rod; 3. a filtering bin; 4. a lubrication bin; 5. an air inlet; 6. a filter screen; 7. activated carbon; 8. a first placing rack; 9. a second rack; 10. a support pillar; 11. a baffle plate; 12. a spring; 13. an oil inlet; 14. an oil bin; 15. an oil delivery pipe; 16. an oil outlet; 17. an oil filler hole; 18. a slide block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a long-life high-sealing cylinder of a steam turbine comprises a cylinder main body 1, a piston rod 2, a filter bin 3, a lubrication bin 4, an air inlet 5, a filter screen 6, activated carbon 7, a first placing rack 8, a second placing rack 9, a support column 10, a baffle 11, a spring 12, an oil inlet 13, an oil bin 14, an oil delivery pipe 15, an oil outlet 16, an oil filling hole 17 and a slide block 18, wherein the filter bin 3 is installed at the bottom of the cylinder main body 1, the air inlet 5 is formed in the bottom of the filter bin 3, the baffle 11 is arranged on one side of the bottom of the filter bin 3, two first placing racks 8 and two second placing racks 9 are respectively connected inside the filter bin 3, the tops of the two first placing racks 8 are connected with three activated carbon plates 7, the tops of the two second placing racks are connected with the filter screen 6, and the slide blocks 18 are respectively connected to one sides of the two first placing racks 8 and the second placing racks 9, the bottom of two sliders 18 is connected with support column 10, and the bottom of two other sliders 18 is connected with spring 12, piston rod 2 and lubrication bin 4 have been run through respectively to the inside of cylinder main part 1, oil filler point 17 has all been seted up to the both sides of piston rod 2, the top of lubrication bin 4 is provided with oil inlet 13, oil bin 14 has been seted up to the inside of lubrication bin 4, oil bin 14's bottom both sides all are connected with defeated oil pipe 15, the one end of two defeated oil pipe 15 all is connected with oil-out 16, the staff stimulates a second rack 9 downwards, second rack 9 leads through slider 18 and guide post sliding connection, it makes another second rack 9 slide to pull filter screen 6 again, make spring 12 retract simultaneously, later the staff gets out filter screen 6 and clears up.

Please refer to fig. 3, the bottoms of the two oil pipes 15 are inclined downwards along the direction of the oil outlet 16, the oil outlet 16 is tightly attached to the piston rod 2, and when the piston rod 2 works, the oil outlet 16 injects lubricating oil into the oil hole 17 to lubricate the piston rod 2.

Please refer to fig. 2, the guide posts are arranged on both sides of the interior of the filter bin 3, the first placing frame 8 and the second placing frame 9 are connected with the guide posts in a sliding manner through the sliding blocks 18, the worker pulls the second placing frame 9 downwards, the second placing frame 9 is connected with the guide posts in a sliding manner through the sliding blocks 18 for guiding, then the worker pulls the first placing frame 8 downwards, and the first placing frame 8 is connected with the guide posts in a sliding manner through the sliding blocks 18 for guiding.

Please refer to fig. 2, the first rack 8 is "C" shaped, the second rack 9 is "L" shaped, and the filter screen 6 and the activated carbon plate 7 are fixed in the filter bin 3 by the first rack 8 and the second rack 9.

Please refer to fig. 2 and 4, the filter screen 6 is detachably connected to the filter bin 3 through the second rack 9 and the slider 18, and the three activated carbon plates 7 are detachably connected to the filter bin 3 through the first rack 8 and the slider 18, the worker pulls the second rack 9 downward, the second rack 9 is guided through the slider 18 and the guide post in a sliding connection, the filter screen 6 is pulled to slide the other second rack 9, the spring 12 is retracted, the worker takes out and cleans the filter screen 6, the worker pulls the first rack 8 downward, the first rack 8 is guided through the slider 18 and the guide post in a sliding connection, the activated carbon plate 7 is pulled to slide the other first rack 8, the spring 12 is retracted, and the worker takes out and cleans the activated carbon plates 7.

Please refer to fig. 2, a rotating shaft is disposed on one side of the baffle 11, the baffle 11 is rotatably connected to the filtering bin 3 through the rotating shaft, and the worker pulls the second placing frame 9 downwards by opening the baffle 11.

Please refer to fig. 3, the oil bin 14 is annular, and two sides of the bottom of the oil bin 14 incline downwards along the direction of the oil delivery pipe 15, the worker opens the oil inlet 13 to input the lubricating oil into the oil bin 14, after the input is finished, the worker closes the oil inlet 13, and the lubricating oil enters the oil outlet 16 through the oil delivery pipe 15.

The working principle is as follows: firstly, a worker opens the baffle 11, then pulls a second placing rack 9 downwards, the second placing rack 9 is connected with a guide post in a sliding mode through a sliding block 18 for guiding, pulls the filter screen 6 to enable another second placing rack 9 to slide, meanwhile, the spring 12 retracts, then the worker takes out and cleans the filter screen 6, after taking out the filter screen 6, the worker pulls a first placing rack 8 downwards, the first placing rack 8 is connected with the guide post in a sliding mode through the sliding block 18 for guiding, pulls the activated carbon plate 7 to enable another first placing rack 8 to slide, meanwhile, the spring 12 retracts, then the worker takes out and cleans the activated carbon plate 7, after cleaning, the worker puts the filter screen 6 and the activated carbon plate 7 back, closes the baffle 11, the first placing rack 8 and the second placing rack 9 are connected and supported through a support post 10, after installing filter screen 6, the staff opens oil inlet 13 and inputs lubricating oil to in the oil storehouse 14, the input back staff that finishes closes oil inlet 13, lubricating oil gets into oil-out 16 through defeated oil pipe 15, at 2 during operations of piston rod, oil-out 16 pours into lubricating oil into oil filler point 17, and is lubricated to piston rod 2, and at cylinder main part 1 during operations, filter screen 6 filters the air current that gets into through air intake 5 for the first time, later through three activated carbon plate 7 to the air current secondary adsorption filtration.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a high sealed cylinder of long-life of steam turbine, includes cylinder main part (1), its characterized in that: the air cylinder is characterized in that a filter bin (3) is installed at the bottom of the air cylinder main body (1), an air inlet (5) is formed in the bottom of the filter bin (3), a baffle (11) is arranged on one side of the bottom of the filter bin (3), two first placing frames (8) and two second placing frames (9) are connected to the interior of the filter bin (3) respectively, three activated carbon plates (7) are connected to the tops of the two first placing frames (8), a filter screen (6) is connected to the tops of the two second placing frames, sliding blocks (18) are connected to one sides of the two first placing frames (8) and one side of the second placing frames (9), supporting columns (10) are connected to the bottoms of the two sliding blocks (18), springs (12) are connected to the bottoms of the other two sliding blocks (18), a piston rod (2) and a lubricating bin (4) penetrate through the interior of the air cylinder main body (1) respectively, oil filler point (17) have all been seted up to the both sides of piston rod (2), the top of lubricated storehouse (4) is provided with oil inlet (13), oil storehouse (14) have been seted up to the inside of lubricated storehouse (4), the bottom both sides of oil storehouse (14) all are connected with defeated oil pipe (15), two the one end of defeated oil pipe (15) all is connected with oil-out (16).

2. The long life high seal cylinder of a steam turbine as claimed in claim 1, wherein: the bottoms of the two oil conveying pipes (15) are inclined downwards along the direction of an oil outlet (16), and the oil outlet (16) is tightly attached to the piston rod (2).

3. The long life high seal cylinder of a steam turbine as claimed in claim 1, wherein: the inside both sides of crossing filter bin (3) all are provided with the guide post, just first rack (8) and second rack (9) all are through slider (18) and guide post sliding connection.

4. The long life high seal cylinder of a steam turbine as claimed in claim 1, wherein: the first placing rack (8) is C-shaped, and the second placing rack (9) is L-shaped.

5. The long life high seal cylinder of a steam turbine as claimed in claim 1, wherein: the filter screen (6) is detachably connected with the filter bin (3) through a second placing frame (9) and a sliding block (18), and the activated carbon plate (7) is detachably connected with the filter bin (3) through a first placing frame (8) and the sliding block (18).

6. The long life high seal cylinder of a steam turbine as claimed in claim 1, wherein: one side of baffle (11) is provided with the pivot, just baffle (11) are connected with filtering storehouse (3) rotation through the pivot.

7. The long life high seal cylinder of a steam turbine as claimed in claim 1, wherein: the oil bin (14) is annular, and the two sides of the bottom of the oil bin (14) incline downwards along the direction of the oil conveying pipe (15).

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