Oil baffle device for steam turbine

Abstract

The utility model belongs to the technical field of oil retaining devices, and discloses an oil retaining device for a steam turbine, which comprises an oil drum, a discharge pipe is fixedly connected to the side surface of the oil drum close to the bottom, a valve is arranged on the discharge pipe, a support frame is fixedly connected to the bottom of the oil drum, and a filter screen is clamped to the top of the oil drum. A cleaning mechanism used for cleaning the inner wall of the oil drum is arranged in the oil drum and comprises a scraping plate, the bottom of the scraping plate is fixedly connected with a telescopic spring, the bottom of the telescopic spring is fixedly connected with a cleaning brush, and the cleaning brush makes contact with the inner wall of the bottom of the oil drum. A driving assembly used for driving the scraping plate to rotate is arranged at the bottom of the oil barrel, through cooperative use of the filter screen, the scraping plate, the driving assembly and the dismounting and mounting assembly, rapid cleaning of the interior of the oil barrel is achieved, and the problems that an existing oil blocking device cannot conveniently filter leaked oil, and the oil blocking effect is poor are solved. And impurities in the oil are easy to remain on the inner wall of the oil retaining tank and are inconvenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil baffle technical field, specifically a kind of oil baffle for steam turbine. BACKGROUND

[0002] Steam turbine is the main equipment of modern thermal power plant, also used in metallurgical industry, chemical industry, warship power device, oil baffle needs to be installed on the bearing bush of steam turbine, to avoid lubricating oil leakage pollution steam turbine body or external foreign matter into bearing bush Pollution lubricating oil.

[0003] The existing oil baffle carries out oil blocking by single oil baffle tank, but since the existing oil baffle is directly collected in oil baffle tank when collecting leaked oil, it is difficult to filter and reuse, which can easily cause impurities to remain on the inner wall of the tank, making it inconvenient to clean the inside, which can eventually reduce the internal volume of the tank and affect the oil blocking effect, greatly reducing the use efficiency of resources.

[0004] Therefore, an oil baffle for steam turbine is proposed to solve the problems raised in the background art. INVENTION CONTENTS

[0005] To solve the problems raised in the background art, the utility model provides an oil baffle for steam turbine, which solves the problem that the existing oil baffle is not convenient for filtering leaked oil and is prone to cause impurities in the oil to remain on the inner wall of the oil baffle tank, making it inconvenient to clean.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil baffle for steam turbine, comprising an oil drum, a discharge pipe is fixedly connected to the side of the oil drum near the bottom, a valve is arranged on the discharge pipe, a support frame is fixedly connected to the bottom of the oil drum, a filter screen is clamped to the top of the oil drum, and a cleaning mechanism for cleaning the inner wall of the oil drum is arranged inside the oil drum.

[0007] The outer wall of the filter screen is fixedly connected with a circular ring clamping plate, the circular ring clamping plate is clamped to the top of the oil drum, and the cross section of the filter screen is funnel-shaped.

[0008] The cleaning mechanism comprises a scraper, the bottom of the scraper is fixedly connected with a telescopic spring, the bottom of the telescopic spring is fixedly connected with a cleaning brush, the cleaning brush is in contact with the inner wall of the bottom of the oil drum, and the bottom of the oil drum is provided with a driving assembly for driving the scraper to rotate.

[0009] Preferably, the side of the scraper close to the inner wall of the oil drum is fixedly connected with a brush, and the side of the scraper away from the brush is fixedly connected with a sleeve rod.

[0010] Preferably, the side of the scraper close to the brush is consistent with the shape of the inner wall of the oil drum, and the brush is in abutment with the inner wall of the oil drum.

[0011] Preferably, the driving assembly comprises a driving rod, the driving rod is sleeved with a sleeve rod, the driving rod penetrates through the bottom of the oil drum and is rotationally connected with the bottom of the oil drum, the bottom of the driving rod is fixedly connected with a first bevel gear, the first bevel gear is rotationally connected with the bottom of the oil drum, the first bevel gear is meshed with a second bevel gear on the side surface, the second bevel gear is fixedly connected with an output shaft at the center, the output shaft is fixedly connected with a motor on the side away from the second bevel gear.

[0012] Preferably, the bottom of the oil drum is fixedly connected with two limiting plates arranged in a linear array, the two limiting plates are rotationally connected with the output shaft, and the motor is fixedly connected with the limiting plate on the side away from the second bevel gear.

[0013] Preferably, the surface of the scraper is provided with a plurality of through grooves arranged in a linear array, and the inside of the two symmetrical through grooves at the top and the bottom is provided with a dismounting assembly for dismounting the scraper.

[0014] Preferably, the dismounting assembly comprises two clamping grooves provided on the driving rod and the two through grooves at the top and the bottom, the inside of the two clamping grooves is slidably provided with a clamping block, the side of the clamping block away from the driving rod is fixedly connected with a fixing spring, one end of the fixing spring away from the clamping block is fixedly connected with a fixing plate, the fixing plate is located in the two through grooves at the top and the bottom and is fixedly connected with the scraper, the surface of the two clamping blocks is fixedly connected with an adjusting rod, and the two adjusting rods are fixedly connected with a connecting rod.

[0015] Compared with the prior art, the utility model has the advantages of the following:

[0016] The utility model discloses a filter screen, scraper, driving assembly and dismounting assembly cooperate to realize the quick cleaning of the inside of the oil drum, the leaked oil is collected in the inside of the oil drum through the filter screen, is preliminarily filtered through the filter screen, the oil stain on the surface of the oil drum is scraped and cleaned by the brush on the surface of the scraper through the driving assembly, and the cleaned oil stain falls into the bottom of the barrel, and then is scraped and discharged through the discharge pipe, thereby completing the whole cleaning, and the problem that the existing oil blocking device is inconvenient to filter the leaked oil and is easy to cause the impurities in the oil to remain on the inner wall of the oil blocking tank and be inconvenient to clean is solved. ACCURACY OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural cooperation relationship schematic diagram of the filter screen and the cleaning mechanism of the utility model;

[0019] Figure 3For Figure 2 Enlarged view at A;

[0020] Figure 4 For the cross-sectional structure of the utility model schematic diagram;

[0021] Figure 5 For Figure 4 Enlarged view at B;

[0022] Figure 6 For the structure of the utility model scraper and driving assembly cooperation relationship schematic diagram.

[0023] In the figure: 1, oil drum;11, discharge pipe;2, support frame;3, filter screen;31, round ring clamping plate;4, cleaning mechanism;41, scraper;411, brush;412, sleeve rod;42, extension spring;43, cleaning brush;44, driving assembly;441, driving rod;442, first bevel gear;443, second bevel gear;444, output shaft;445, motor;446, limit plate;45, disassembly assembly;451, clamping groove;452, clamping block;4521, adjusting rod;4522, connecting rod;453, fixed spring;454, fixed plate. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] As Figures 1 to 6 shown, the utility model provides a kind of oil blocking device for steam turbine, including oil drum 1, the side of oil drum 1 is fixedly connected with discharge pipe 11 near bottom position, discharge pipe 11 is provided with valve, the bottom of oil drum 1 is fixedly connected with support frame 2, the top of oil drum 1 is clamped with filter screen 3, the inside of oil drum 1 is provided with the cleaning mechanism 4 for cleaning oil drum 1 inner wall;

[0026] The outer wall of the filter screen 3 is fixedly connected with a circular clamping plate 31, the circular clamping plate 31 is clamped with the top of the oil drum 1, and the cross section of the filter screen 3 is funnel-shaped; the cleaning mechanism 4 comprises a scraper 41, the bottom of the scraper 41 is fixedly connected with an extension spring 42, the bottom of the extension spring 42 is fixedly connected with a cleaning brush 43, the cleaning brush 43 is in contact with the inner wall of the bottom of the oil drum 1, the bottom of the oil drum 1 is provided with a driving assembly 44 for driving the scraper 41 to rotate, the side of the scraper 41 close to the inner wall of the oil drum 1 is fixedly connected with a brush 411, the side of the scraper 41 away from the brush 411 is fixedly connected with a sleeve rod 412, the side of the scraper 41 close to the brush 411 is consistent with the shape of the inner wall of the oil drum 1, and the brush 411 is in abutment with the inner wall of the oil drum 1.

[0027] The above scheme is adopted: when in use, the leaked oil enters the inside of the oil drum 1 through the filter screen 3 for collection, is preliminarily filtered through the filter screen 3, and the impurities in the inside are filtered on the surface of the filter screen 3, so that the purity of the collected oil is improved, and the oil is convenient for subsequent reuse, the collected oil is discharged from the discharge pipe 11 by opening the valve, in order to avoid that the oil stains are adhered to the inner wall of the oil drum 1 and are not completely discharged, which is not conducive to subsequent collection, the oil drum 1 can be first filled with water, the sleeve rod 412 is driven to rotate by the driving assembly 44, the brush 411 on the surface of the scraper 41 is used for scraping and cleaning the oil stains on the surface of the oil drum 1, the cleaned oil stains fall into the bottom of the oil drum 1, and then the cleaning brush 43 is used for scraping and discharging the oil stains from the discharge pipe 11, so that the whole cleaning is completed.

[0028] As shown in Figure 3 The driving assembly 44 comprises a driving rod 441, the driving rod 441 is sleeved with the sleeve rod 412, the driving rod 441 penetrates through the bottom of the oil drum 1 and is rotationally connected with the bottom of the oil drum 1, the bottom of the driving rod 441 is fixedly connected with a first bevel gear 442, the first bevel gear 442 is rotationally connected with the bottom of the oil drum 1, the side surface of the first bevel gear 442 is engaged with a second bevel gear 443, the center of the second bevel gear 443 is fixedly connected with an output shaft 444, the output shaft 444 is fixedly connected with a motor 445 on the side away from the second bevel gear 443.

[0029] The bottom of the oil drum 1 is fixedly connected with two linearly arranged limiting plates 446, the two limiting plates 446 are both rotationally connected with the output shaft 444, and the motor 445 is fixedly connected with the limiting plate 446 away from the second bevel gear 443.

[0030] The above scheme is adopted: the output shaft 444 and the second bevel gear 443 are driven to rotate by the motor 445, and then the first bevel gear 442 engaged with the second bevel gear 443 is driven to rotate, the driving rod 441 at the top is driven to rotate at the same time, and then the sleeve rod 412 externally sleeved is driven to rotate, so that the whole scraper 41 is driven to rotate and scrape the inner wall of the oil drum 1, and the cleaning effect is achieved.

[0031] AsFigure 5 As shown, the surface of the scraper 41 is provided with a plurality of linear array arranged through slots, and the inside of the two symmetrical through slots at the top and bottom is provided with a dismounting assembly 45 for dismounting the scraper 41.

[0032] The dismounting assembly 45 comprises two clamping grooves 451 provided on the driving rod 441 and the through slots at the top and bottom, the inside of the two clamping grooves 451 is slidably provided with a clamping block 452, the side of the clamping block 452 away from the driving rod 441 is fixedly connected with a fixed spring 453, one end of the fixed spring 453 away from the clamping block 452 is fixedly connected with a fixed plate 454, the fixed plate 454 is located in the two through slots at the top and bottom and is fixedly connected with the scraper 41, the surface of the two clamping blocks 452 is fixedly connected with an adjusting rod 4521, and the two adjusting rods 4521 are fixedly connected with a connecting rod 4522.

[0033] By adopting the above scheme, through the dismounting assembly 45, in order to avoid that more oil stains are left on the surface of the scraper 41 after long-time use, the clamping block 452 can be moved away from the clamping groove 451 by manually moving away from the sleeve rod 412, so that the fixed spring 453 is in a compressed state, and the sleeve rod 412 and the driving rod 441 are separated, the whole scraper 41 is taken out from the top for replacement and cleaning, and after cleaning, the sleeve rod 412 is sleeved on the driving rod 441, the adjusting rod 4521 is loosened, the clamping block 452 is slidably clamped in the clamping groove 451 under the action of the reset fixed spring 453, and quick dismounting is realized.

[0034] The working principle and use process of the utility model: when the utility model is used, oil enters the inside of the oil drum 1 through the filter screen 3 for collection, which is convenient for subsequent reuse, the collected oil is discharged through the discharge pipe 11, in order to avoid that oil stains adhere to the inner wall of the oil drum 1 and are not completely discharged, which is not conducive to later collection, the oil drum 1 can be first filled with water, the scraper 41 is driven to rotate by the driving assembly 44, the brush 411 on the surface of the scraper 41 scrapes and cleans the oil stains on the surface of the oil drum 1, the cleaned oil stains fall into the bottom of the drum, and then the cleaning brush 43 scrapes and discharges the oil stains through the discharge pipe 11, thereby completing the whole cleaning, and after use, the scraper 41 can be dismounted and cleaned by using the dismounting assembly 45.

[0035] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A damper for a steam turbine comprising a bucket (1), characterised in that: The side of the oil drum (1) is fixedly connected with a discharge pipe (11) near the bottom, the discharge pipe (11) is provided with a valve, the bottom of the oil drum (1) is fixedly connected with a support frame (2), the top of the oil drum (1) is clamped with a filter screen (3), and the inside of the oil drum (1) is provided with a cleaning mechanism (4) for cleaning the inner wall of the oil drum (1). The outer wall of the filter screen (3) is fixedly connected with a circular clamping plate (31), the circular clamping plate (31) is clamped with the top of the oil drum (1), and the cross section of the filter screen (3) is funnel-shaped. The cleaning mechanism (4) comprises a scraper (41), the bottom of the scraper (41) is fixedly connected with a telescopic spring (42), the bottom of the telescopic spring (42) is fixedly connected with a cleaning brush (43), the cleaning brush (43) is in contact with the inner wall of the bottom of the oil drum (1), and the bottom of the oil drum (1) is provided with a driving assembly (44) for driving the scraper (41) to rotate.

2. The oil deflector for a steam turbine according to claim 1, characterized by: The side of the scraper (41) close to the inner wall of the oil drum (1) is fixedly connected with a brush (411), and the side of the scraper (41) away from the brush (411) is fixedly connected with a sleeve rod (412).

3. The oil deflector for a steam turbine according to claim 1, characterized by: The side of the scraper (41) close to the brush (411) is matched with the shape of the inner wall of the oil drum (1), and the brush (411) is in abutment with the inner wall of the oil drum (1).

4. The oil deflector for a steam turbine according to claim 1, characterized by: The driving assembly (44) comprises a driving rod (441), the driving rod (441) is sleeved with the sleeve rod (412), the driving rod (441) penetrates through the bottom of the oil drum (1) and is rotatably connected with the bottom of the oil drum (1), the bottom of the driving rod (441) is fixedly connected with a first bevel gear (442), the first bevel gear (442) is rotatably connected with the bottom of the oil drum (1), the side of the first bevel gear (442) is engaged with a second bevel gear (443), the center of the second bevel gear (443) is fixedly connected with an output shaft (444), the output shaft (444) is fixedly connected with a motor (445) away from the second bevel gear (443).

5. The oil deflector for a steam turbine according to claim 4, characterized by: The bottom of the oil drum (1) is fixedly connected with two linearly arranged limiting plates (446), both the limiting plates (446) are rotatably connected with the output shaft (444), and the motor (445) is fixedly connected with the limiting plate (446) away from the second bevel gear (443).

6. The oil deflector for a steam turbine according to claim 1, characterized by: A plurality of linearly arranged through grooves are formed in the surface of the scraper (41), and a dismounting assembly (45) for dismounting the scraper (41) is arranged in the two symmetrical through grooves at the top and the bottom.

7. The oil deflector device for a steam turbine according to claim 6, characterized by: The disassembling and assembling component (45) comprises two clamping grooves (451) which are arranged on the through grooves of the driving rod (441) and the top and bottom, clamping blocks (452) are slidably arranged in the two clamping grooves (451), fixed springs (453) are fixedly connected to the sides of the clamping blocks (452) away from the driving rod (441), fixed plates (454) are fixedly connected to the ends of the fixed springs (453) away from the clamping blocks (452), the fixed plates (454) are arranged in the two through grooves of the top and bottom and are fixedly connected with the scraper (41), and adjusting rods (4521) are fixedly connected to the surfaces of the two clamping blocks (452), and a connecting rod (4522) is fixedly connected between the two adjusting rods (4521).

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