CN215950281U

CN215950281U - Oil retaining device for steam turbine

Info

Publication number: CN215950281U
Application number: CN202122297750.8U
Authority: CN
Inventors: 闫正超
Original assignee: Heze Minsheng Thermal Power Co ltd
Current assignee: Heze Minsheng Thermal Power Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-04
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses an oil blocking device for a steam turbine, which comprises a base placed on the ground, wherein a plurality of vertically placed supporting rods are fixedly installed on the left side of the top of the base, the top of each supporting rod is fixedly connected with an installation cylinder with a front cover on the same front side, a rotating ring matched with the inner side of the installation cylinder is rotatably installed on the front cover, a steering engine is fixedly installed on the right side of the top of the base, the outer side of a driving shaft of the steering engine and the outer side of the rotating ring are matched with the same conveying belt, and a rectangular installation seat is fixedly installed in the middle position of the top of the base. When the transmission belt is loosened, the tightness of the transmission belt is adjusted, so that the transmission belt can be used again, manual disassembly and adjustment of personnel are not needed, time and labor are saved, and the inner side of the transmission belt in a tightening rotating state can be cleaned.

Description

Oil retaining device for steam turbine

Technical Field

The utility model relates to the technical field of oil retaining devices, in particular to an oil retaining device for a steam turbine.

Background

In order to prolong the service life of a bearing and reduce the abrasion of a working part, the bearing needs to be lubricated, the oil leakage of a bearing box is always an unsolved technical problem, a general device cannot well treat the leaked oil, and a workshop is easily messy, and in order to solve the problem, in the prior art, an authorization notice number 'CN 209129691U' discloses an oil retaining device for a steam turbine, which relates to the technical field of the steam turbine and comprises a base; a steering engine is fixedly arranged in the middle right of the upper end surface of the base; the front right part of the upper end surface of the base is fixedly connected with a right lantern ring through a right connecting rod; the front left part of the upper end surface of the base is fixedly connected with a left lantern ring through a left connecting rod; the inner surface of the right lantern ring is rotatably sleeved with a driving shaft; the rear end of the driving shaft is connected with the output end of the steering engine; the inner surface of the left lantern ring is rotatably sleeved with a rotating ring; the rotating ring is connected with the driving shaft through a conveying belt; the upper end surface of the base is fixedly connected with an installation cylinder through a support rod; the front end surface of the mounting cylinder is provided with a front cover through a screw; the front end surface of the front cover is coaxially provided with a rotary groove; the front end of the rotating ring is in rotating fit with the rotating groove and is fixedly connected with a rubber plate; the rubber plate is in sliding fit with the inner side surface of the mounting cylinder; the rear part of the right end face of the rubber plate is fixedly connected with a push rod; an oil pushing groove is formed in the upper part in the mounting cylinder; a return groove is formed in the right end face of the inner front part of the oil pushing groove; the right end face of the return groove is fixedly connected with a pressure spring; the left end of the pressure spring is fixedly connected with a sealing plate which is connected with the return groove in a left-right sliding manner; the front part of the upper end surface of the sealing plate is provided with an oil injection hole; the upper end surface of the sealing plate is fixedly connected with a spring piece; the rear part of the oil pushing groove is fixedly connected with a separation plate in a sealing way; the upper end surface of the isolation plate is provided with a connecting groove along the front and back direction; an oil pushing rod connected with the oil pushing groove in a front-back sliding manner is arranged below the isolation plate; the rear end face of the oil pushing rod is fixedly connected with a tension spring; the rear end of the tension spring is fixedly connected with the inner rear end surface of the oil pushing groove; the upper end surface of the oil pushing rod is fixedly connected with a connecting rod; the upper part of the connecting rod passes through the connecting groove and is fixedly connected with a power plate; the power plate is in sliding fit with the inner surface of the mounting cylinder; the inner surface of the power plate is provided with a power groove which is in sliding fit with the push rod, and the leaked oil is completely blocked with the outside, so that the oil cannot pollute a workshop; and the leaked oil is collected and reused.

Although above-mentioned patent has realized keeping off the oil function, it does not have the function of adjusting the conveyer belt elasticity, after conveyer belt is used for a long time, the easy lax phenomenon that appears of it, and then leads to this fender oil device can not normal operating, in case conveyer belt appears lax and will scrap, need change new conveyer belt, current turbine keeps off oil device still lacks the function of carrying out cleanness to the conveyer belt inboard in addition, we have proposed a turbine and have kept off oil device based on above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an oil retaining device for a steam turbine.

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

an oil blocking device for a steam turbine comprises a base placed on the ground, wherein a plurality of vertically placed supporting rods are fixedly installed on the left side of the top of the base, the top of the plurality of supporting rods is fixedly connected with an installation barrel with a front cover on the same front side, a rotating ring matched with the inner side of the installation barrel is rotatably installed on the front cover, a steering engine is fixedly installed on the right side of the top of the base, the outer side of a driving shaft of the steering engine and the outer side of the rotating ring are matched with the same conveying belt, a rectangular installation seat is fixedly installed at the middle position of the top of the base, a rectangular sliding groove is formed in the top of the rectangular installation seat, a rectangular installation groove with an opening formed in the front side is formed in the bottom of the rectangular installation seat, a driving motor is fixedly installed on the inner wall of the left side of the rectangular installation groove, and a first rectangular sliding block with an inclined plane formed in the top is slidably connected to the inner wall of the rectangular sliding groove, install one on the first rectangle slider with driving motor output shaft top welded fastening's screw rod elevating system, the rectangle mounting panel that symmetry was placed around two fixedly connected with of first rectangle slider, one side that two rectangle mounting panels are close to each other is rotated and is connected with same compression roller with the inboard bottom in close contact with of conveyer, the left side fixed mounting of first rectangle slider has a vertical guiding mechanism of cleaning brush, and the cleaning brush of installing one and conveyer inboard bottom matched with cleaning brush at the vertical guiding mechanism's of cleaning brush front side top.

Preferably, screw rod elevating system includes that one sets up the first circular spout in first rectangle slider bottom, and the slip cap is equipped with a circular anticreep piece on the inside lateral wall of first circular spout, and the bottom welded fastening of circular anticreep piece has a second screw rod, and the bottom of second screw rod extends to the inside of rectangle mounting groove to with driving motor's output shaft top welded fastening, welded fastening has one on the inside lateral wall of first circular spout with second screw rod outside screw-thread fit's nut.

Preferably, a bearing installation through hole communicated with the inside of the rectangular installation groove is formed in the inner wall of the bottom of the rectangular sliding groove, and a second bearing which is in bonding and sleeving connection with the outer side of the second screw rod is fixedly bonded in the bearing installation through hole.

Preferably, four sides of the first rectangular sliding block are in sliding contact with the inner wall of one side corresponding to the rectangular sliding groove respectively, the right side of the first rectangular sliding block is provided with a rectangular limiting groove, and a rectangular limiting block fixedly mounted on the inner wall of the right side of the rectangular sliding groove is slidably mounted inside the rectangular limiting groove.

Preferably, the vertical guiding mechanism of cleaning brush includes that a level welded fastening is at the left rectangle fixed block of first rectangle slider, the fixed outer tube of top fixedly connected with rectangle of rectangle fixed block, slidable mounting has same rectangle slip interior pole on the four side inner walls of the fixed outer tube of rectangle, the top of rectangle slip interior pole extends to the top of first rectangle slider, the front side top fixed mounting of rectangle slip interior pole has a cleaning brush installation pole, the outside of cleaning brush installation pole is installed through the mode that the magic was pasted the installation with the inboard of cleaning brush, it has a first screw rod of rotation installation in the fixed outer tube of rectangle to go back vertical screw thread cover on the rectangle slip interior pole, the bottom of first screw rod extends to the below of rectangle fixed block, and welded fastening has the rotating disc, the rectangle slip interior pole is located conveyer's rear side.

Preferably, the bottom of the rectangular sliding inner rod is provided with a thread invagination groove matched with the outer side of the first screw rod in a thread way.

Preferably, the same first bearing which is in adhesive fit with the outer side of the first screw is fixedly bonded on the inner walls of the four sides of the rectangular fixed outer tube.

Preferably, the top and the bottom of the rectangular fixing block are provided with a screw reserved through hole for the first screw to vertically penetrate through.

Preferably, the tops of the two rectangular mounting plates close to each other are fixedly bonded with a third bearing, the inner sides of the inner rings of the two third bearings are bonded and sleeved with the same pressing roller mounting shaft, and the front side and the rear side of the pressing roller are provided with a circular mounting through hole which is bonded and sleeved on the outer side of the pressing roller mounting shaft.

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

when the transmission belt is loosened, the tightness of the transmission belt is adjusted, so that the transmission belt can be used again, manual disassembly and adjustment of personnel are not needed, time and labor are saved, and the inner side of the transmission belt in a tightening rotating state can be cleaned.

Drawings

FIG. 1 is a schematic structural diagram of an oil baffle device for a steam turbine according to the present invention;

fig. 2 is a front sectional enlarged structural view of a portion a-a in fig. 1.

In the figure: 1 conveyer, 101 steering engine, 102 change, 2 rectangle mount pads, 3 rectangle slip recesses, 4 first rectangle sliders, 5 first circular spouts, 6 circular anticreep pieces, 7 nuts, 8 second screw rods, 9 driving motor, 10 rectangle mounting panels, 11 compression rollers, 12 rectangle fixed blocks, 13 first screw rods, 14 screw thread invagination grooves, 15 rectangle slip interior pole, 16 rectangle fixed outer tubes, 17 cleaning brush installation poles, 18 cleaning brushes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an oil baffle device for a steam turbine comprises a base placed on the ground, a plurality of vertically placed support rods are fixedly installed on the left side of the top of the base, the top of the plurality of support rods is fixedly connected with a same installation barrel with a front cover on the front side, a rotating ring 102 matched with the inner side of the installation barrel is rotatably installed on the front cover, a steering engine 101 is fixedly installed on the right side of the top of the base, the outer side of a driving shaft of the steering engine 101 and the outer side of the rotating ring 102 are matched with a same conveying belt 1, a rectangular installation seat 2 is fixedly installed at the middle position of the top of the base, a rectangular sliding groove 3 is formed in the top of the rectangular installation seat 2, a rectangular installation groove with an opening on the front side is formed in the bottom of the rectangular installation seat 2, a driving motor 9 is fixedly installed on the inner wall of the left side of the rectangular installation groove 3, a first rectangular sliding block 4 with an inclined surface on the top is slidably connected to the inner wall of the rectangular sliding groove 3, a screw lifting mechanism welded and fixed with the top end of an output shaft of a driving motor 9 is installed on a first rectangular sliding block 4, wherein the screw lifting mechanism comprises a first circular sliding groove 5 arranged at the bottom of the first rectangular sliding block 4, a circular anti-falling block 6 is sleeved on the inner side wall of the first circular sliding groove 5 in a sliding mode, a second screw 8 is fixed at the bottom of the circular anti-falling block 6 in a welding mode, the bottom end of the second screw 8 extends into the rectangular mounting groove and is fixed with the top end of the output shaft of the driving motor 9 in a welding mode, a nut 7 in threaded fit with the outer side of the second screw 8 is fixed on the inner side wall of the first circular sliding groove 5 in a welding mode, two rectangular mounting plates 10 which are symmetrically arranged in the front-back mode are fixedly connected to the top of the first rectangular sliding block 4, one side, close to each other, of the two rectangular mounting plates 10 is rotatably connected with a same compression roller 11 which is in close contact with the bottom of the inner side of a conveying belt 1, a vertical cleaning brush adjusting mechanism is fixedly arranged on the left side of the first rectangular sliding block 4, a cleaning brush 18 matched with the bottom of the inner side of the conveying belt 1 is arranged at the top of the front side of the vertical cleaning brush adjusting mechanism, the vertical cleaning brush adjusting mechanism comprises a rectangular fixing block 12 horizontally welded and fixed on the left side of the first rectangular sliding block 4, a rectangular fixing outer tube 16 is fixedly connected to the top of the rectangular fixing block 12, the same rectangular sliding inner rod 15 is slidably arranged on the inner walls of four sides of the rectangular fixing outer tube 16, the top end of the rectangular sliding inner rod 15 extends to the upper side of the first rectangular sliding block 4, a cleaning brush mounting rod 17 is fixedly arranged at the top of the front side of the rectangular sliding inner rod 15, the outer side of the cleaning brush mounting rod 17 and the inner side of the cleaning brush 18 are mounted in a magic tape mounting mode, a first screw rod 13 rotatably mounted in the rectangular fixing outer tube 16 is further sleeved on the rectangular sliding inner rod 15 through vertical threads, the bottom end of the first screw rod 13 extends to the lower portion of the rectangular fixing block 12, a rotating disc is fixedly welded, the rectangular sliding inner rod 15 is located on the rear side of the conveying belt 1, when the conveying belt 1 is loosened, the tightness of the conveying belt 1 is adjusted, the conveying belt 1 can be used again, manual disassembly and adjustment of personnel are not needed, time and labor are saved, and in addition, the inner side of the conveying belt 1 in a tightening rotating state can be cleaned.

In the utility model, a bearing installation through hole communicated with the inside of a rectangular installation groove is arranged on the inner wall of the bottom of a rectangular sliding groove 3, a second bearing which is in adhesive fit with the outer side of a second screw 8 is fixedly bonded inside the bearing installation through hole, four sides of a first rectangular slide block 4 are respectively in sliding contact with the inner wall of one side corresponding to the rectangular sliding groove 3, a rectangular limit groove is arranged on the right side of the first rectangular slide block 4, a rectangular limit block fixedly mounted on the inner wall of the right side of the rectangular sliding groove 3 is slidably mounted inside the rectangular limit groove, a thread invagination groove 14 in threaded fit with the outer side of a first screw 13 is arranged at the bottom of a rectangular sliding inner rod 15, the same first bearing which is in adhesive fit with the outer side of the first screw 13 is fixedly bonded on the inner walls of four sides of a rectangular fixed outer tube 16, and the top and the bottom of a rectangular fixed block 12 are provided with a screw reserved through hole for the first screw 13 to vertically pass through, the top of one side that two rectangle mounting panels 10 are close to each other all bonds and is fixed with a third bearing, the inboard bonding cover of inner circle of two third bearings is equipped with same compression roller installation axle, the front side and the rear side of compression roller 11 are opened and are equipped with same bonding cover and install the circular installation through-hole in the compression roller installation axle outside, conveyer 1 in the utility model when the phenomenon of laxing appears, through adjusting the elasticity of conveyer 1, make conveyer 1 use once more, do not need personnel's manual dismantlement adjustment, time saving and labor saving, in addition this device can also be to being in the inboard cleaning of conveyer 1 of tightening the rotation state.

The working principle is as follows: when the conveying belt 1 is loosened due to overlong use time, the driving motor 9 is started, the driving motor 9 drives the second screw 8 to rotate on the inner side of the nut 7, the nut 7 is sleeved on the outer side of the second screw 8 in a threaded manner, and the second screw 8 only rotates and cannot move up and down, so that the second screw 8 drives the nut 7 to move down in the rotating process, the depth length of the second screw 8 in the first circular chute 5 is gradually increased, the nut 7 drives the first rectangular sliding block 4 to slide down on the inner side wall of the rectangular sliding groove 3, the first rectangular sliding block 4 drives the rectangular mounting plates 10 to move down, the two rectangular mounting plates 10 together drive the pressing roller 11 to move down, the pressing roller 11 presses the inner bottom of the conveying belt 1, when the conveying belt 1 is in a tightened state, the driving motor 9 is suspended, the slipping condition of the conveying belt 1 is avoided at the moment, when the conveying belt 1 is in a normal use process, the driving shaft of the steering engine 101 drives the rotating ring 102 to rotate on the front cover through the conveying belt 1, the cleaning brush 18 cleans foreign matters stained on the inner side of the conveying belt 1 at the moment, when the joint degree of the cleaning brush 18 and the conveying belt 1 needs to be adjusted, the circular rotating disc is rotated in a forward direction, the circular rotating disc drives the first screw 13 to rotate inside the thread sunken groove 14, the first screw 13 drives the rectangular sliding inner rod 15 to slide downwards inside the rectangular fixed outer tube 16 in the rotating process, the rectangular sliding inner rod 15 drives the cleaning brush 18 to adjust the height through the cleaning brush mounting rod 17, so that the joint degree adjustment of the cleaning brush 18 and the bottom of the inner side of the conveying belt 1 is realized, and the device is convenient for adjusting the tightness of the conveying belt 1, make conveyer 1 usable once more, do not need personnel's manual dismantlement adjustment, labour saving and time saving, this device can also clean conveyer 1 inboard being in the rotation state that tightens in addition.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An oil blocking device for a steam turbine comprises a base placed on the ground, wherein a plurality of vertically placed supporting rods are fixedly installed on the left side of the top of the base, the top of the plurality of supporting rods is fixedly connected with an installation barrel with a front cover on the same front side, a rotating ring (102) matched with the inner side of the installation barrel is rotatably installed on the front cover, a steering engine (101) is fixedly installed on the right side of the top of the base, the outer side of a driving shaft of the steering engine (101) and the outer side of the rotating ring (102) are matched with a same conveying belt (1), the oil blocking device is characterized in that a rectangular installation seat (2) is fixedly installed at the middle position of the top of the base, a rectangular sliding groove (3) is formed in the top of the rectangular installation seat (2), a rectangular installation groove with an opening is formed in the front side of the bottom of the rectangular installation seat (2), and a driving motor (9) is fixedly installed on the inner wall of the left side of the rectangular installation groove, sliding connection has a top to set up to first rectangle slider (4) on the inclined plane on the inner wall of rectangle slip recess (3), installs on first rectangle slider (4) one with driving motor (9) output shaft top welded fastening's screw rod elevating system, rectangle mounting panel (10) that the top fixedly connected with front and back symmetry of first rectangle slider (4) was placed, one side that two rectangle mounting panels (10) are close to each other is rotated and is connected with same compression roller (11) with conveyer (1) inboard bottom in close contact with, the left side fixed mounting of first rectangle slider (4) has a vertical guiding mechanism of cleaning brush, and the front side top of the vertical guiding mechanism of cleaning brush install one with conveyer (1) inboard bottom matched with cleaning brush (18).

2. The oil baffle device for the steam turbine as claimed in claim 1, wherein the screw lifting mechanism comprises a first circular sliding groove (5) formed at the bottom of the first rectangular sliding block (4), a circular anti-falling block (6) is slidably sleeved on the inner side wall of the first circular sliding groove (5), a second screw (8) is welded and fixed to the bottom of the circular anti-falling block (6), the bottom end of the second screw (8) extends into the rectangular mounting groove and is welded and fixed to the top end of the output shaft of the driving motor (9), and a nut (7) in threaded fit with the outer side of the second screw (8) is welded and fixed to the inner side wall of the first circular sliding groove (5).

3. The oil baffle device for the steam turbine as claimed in claim 1, wherein the inner wall of the bottom of the rectangular sliding groove (3) is provided with a bearing installation through hole communicated with the inside of the rectangular installation groove, and a second bearing which is in adhesive fit with the outer side of the second screw rod (8) is fixedly bonded inside the bearing installation through hole.

4. The oil baffle device for the steam turbine as claimed in claim 2, wherein four sides of the first rectangular sliding block (4) are in sliding contact with an inner wall of one side corresponding to the rectangular sliding groove (3), respectively, the right side of the first rectangular sliding block (4) is provided with a rectangular limiting groove, and a rectangular limiting block fixedly mounted on the inner wall of the right side of the rectangular sliding groove (3) is slidably mounted inside the rectangular limiting groove.

5. The oil baffle device for the steam turbine as claimed in claim 1, wherein the vertical adjusting mechanism for the cleaning brush comprises a rectangular fixing block (12) horizontally welded and fixed on the left side of the first rectangular sliding block (4), a rectangular fixing outer tube (16) is fixedly connected to the top of the rectangular fixing block (12), a same rectangular sliding inner rod (15) is slidably mounted on the inner walls of four sides of the rectangular fixing outer tube (16), the top end of the rectangular sliding inner rod (15) extends to the upper side of the first rectangular sliding block (4), a cleaning brush mounting rod (17) is fixedly mounted at the top of the front side of the rectangular sliding inner rod (15), the outer side of the cleaning brush mounting rod (17) is mounted on the inner side of the cleaning brush (18), a first screw rod (13) rotatably mounted in the rectangular fixing outer tube (16) is further vertically threaded on the rectangular sliding inner rod (15), the bottom end of the first screw rod (13) extends to the lower part of the rectangular fixing block (12) and is fixedly welded with a rotating disc, and the rectangular sliding inner rod (15) is positioned on the rear side of the conveying belt (1).

6. The oil baffle device for the steam turbine as claimed in claim 5, wherein the bottom of the rectangular sliding inner rod (15) is provided with a thread invagination groove (14) which is in thread fit with the outer side of the first screw (13).

7. The oil baffle device for the steam turbine as claimed in claim 5, wherein the rectangular fixed outer tube (16) is bonded and fixed with a first bearing which is bonded and sleeved with the outer side of the first screw rod (13) on the four side inner walls.

8. The oil baffle device for the steam turbine as claimed in claim 5, wherein the top and the bottom of the rectangular fixing block (12) are provided with a screw pre-perforated hole for the first screw (13) to vertically pass through.

9. The oil baffle device for the steam turbine as claimed in claim 1, wherein a third bearing is fixedly bonded to the top of one side of each of the two rectangular mounting plates (10) close to each other, the same press roll mounting shaft is bonded and sleeved to the inner sides of the inner rings of the two third bearings, and the same circular mounting through holes which are bonded and sleeved to the outer side of the press roll mounting shaft are formed in the front side and the rear side of the press roll (11).