CN211853215U

CN211853215U - Rotor detection device for steam turbine

Info

Publication number: CN211853215U
Application number: CN202020329194.0U
Authority: CN
Inventors: 郑数; 袁克; 李清峰
Original assignee: Anhui Yuteshuang Energy Saving Technology Co ltd
Current assignee: Anhui Yuteshuang Energy Saving Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-11-03
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a rotor detection device for steam turbine relates to the technical field of steam turbine, including removing the subassembly, shoot subassembly and riding wheel subassembly, wherein, remove the subassembly and set up between two parties and be used for realizing the operation of removing about of the subassembly of shooing, the symmetry sets up in the top of removing the subassembly and is used for realizing the operation of shooing to the steam turbine rotor around the subassembly of shooing, and riding wheel subassembly bilateral symmetry sets up in the left and right sides both sides of removing the subassembly and is used for realizing the support operation to the steam turbine rotor. The utility model provides a rotor detection device for steam turbine compares in traditional artifical slowly detect surface defect on the steam turbine rotor at the during operation, and this detection device has rational in infrastructure, convenient to use, detects the process on surface quick, confirm the convenient characteristics in position of defect.

Description

Rotor detection device for steam turbine

Technical Field

The utility model relates to a technical field of steam turbine, concretely relates to rotor detection device for steam turbine.

Background

The steam turbine is also called as 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 a blade row rotates, and simultaneously, the rotor does work outwards, and the heat energy of the steam is converted into mechanical work.

After the turbine rotor is manufactured, the surface of the turbine rotor needs to be detected, and whether the surface of the turbine rotor has surface defects influencing service performance and service life or not is judged. The traditional surface defect detection work usually needs a plurality of people to carry out simultaneously, and during detection, a detector needs to hold an illuminating lamp by hands to check by naked eyes and marks the surface defects with a marking pen. However, the above detection method still needs a long time to complete, and consumes excessive human resources and working time virtually. In addition, it is worth noting that the problem of missing inspection of a certain part of the rotor is easy to occur when the appearance defect detection is performed manually, and if the missing inspection part has serious surface defects and is applied to the steam turbine, the actual working condition, the maintenance period and the service life of the steam turbine are influenced.

Disclosure of Invention

An object of the utility model is to provide a rotor detection device for steam turbine to solve the above-mentioned defect that leads to among the prior art.

The utility model provides a rotor detection device for steam turbine, is including removing the subassembly, the subassembly of shooing and riding wheel subassembly, wherein, remove the subassembly and set up between two parties and be used for realizing the operation of controlling of the subassembly of shooing, the subassembly of shooing front and back symmetry sets up in the top of removing the subassembly and is used for realizing the operation of shooing to the steam turbine rotor, riding wheel subassembly bilateral symmetry sets up in the left and right sides of removing the subassembly and is used for realizing the support operation to the steam turbine rotor.

Preferably, the moving assembly comprises a supporting plate, a supporting frame and a horseshoe wheel, the supporting plate is horizontally arranged at the top of the supporting frame, the horseshoe wheel is uniformly arranged at the bottom of the supporting frame, two sets of first sliding rails are symmetrically arranged at the front and back of the upper portion of the supporting plate, each set of first sliding rails is provided with two first sliding rails which are arranged on the upper end surface of the supporting plate in a left-right direction, a first sliding block is slidably arranged on the first sliding rails, a first sliding plate is horizontally arranged at the top of the first sliding block, a first C-shaped fixing plate is arranged on the upper end surface of the first sliding plate close to the inner side, a first horizontal inward motor is arranged in the middle of the first fixing plate, a first gear is arranged on an output shaft of the first motor, a first L-shaped steel in a left-right direction is symmetrically arranged on the supporting, the utility model discloses a mounting plate, including mounting plate one, mounting plate two, slider two, the top horizontal installation of slider two has the slide two of U type, and the parallel is equipped with the lead screw between two support bars, the mount pad is passed through at the both ends of lead screw and is installed on mounting plate one, threaded connection has the lead screw slider and installs its lower terminal surface at slide two on the lead screw, mounting plate one's up end leans on the outside to install fixed plate two, install level motor two inwards on the fixed plate two, pass through the coupling joint between motor two and the lead screw.

Preferably, the subassembly of shooing includes mounting panel two, mounting panel two is C type panel and opening and sets up inwards, the welding of mounting panel two is in the top of slide two, the inner wall of mounting panel two leans on the outside bilateral symmetry to install the slide three of C type, slidable mounting has slider three on the slide three, install the slide three of L type on the slider three, install level motor three inwards on the slide three, install gear two on the output shaft of motor three, the inner wall of mounting panel two leans on the inboard bilateral symmetry to install the L shaped steel two of C type, install the internal gear two of C type on the L shaped steel two, intermeshing between gear two and the internal gear two is connected with connecting plate one between two slides three about, the outside of connecting plate one leans on the middle fixed plate three of installing the L type, install CCD camera inwards on the fixed plate three, the inner side of the first connecting plate is provided with a ship-shaped fixing plate IV near the middle, the end part of the inner side of the fixing plate IV is provided with a bar-shaped light source, the outer side of the second mounting plate is hung with a display, and the CCD camera is electrically connected with the bar-shaped light source and the display respectively.

Preferably, the riding wheel assembly comprises a riding wheel frame, a riding wheel shaft and a riding wheel, the riding wheel is in splined connection with the riding wheel shaft and is installed at the top of the riding wheel frame through a bearing seat, an L-shaped fixing plate V is welded to the front side and the rear side of the riding wheel frame close to the bottom and is fixed on a cement foundation through foundation bolts, photoelectric distance sensors are symmetrically arranged on the front side and the rear side of the riding wheel frame and are installed at the top of the riding wheel frame through L-shaped sheet metal plates, and a Z-shaped connecting plate II is connected between the supporting plate and the riding wheel frame through screws.

Preferably, the side shield of C type is installed to bilateral symmetry between mounting panel one and the slide one to be equipped with the industrial computer between two side shields, the industrial computer respectively with motor one, motor two, motor three, CCD camera and photoelectric distance sensor electric connection.

The utility model has the advantages that: the utility model provides a this kind of a rotor detection device for steam turbine: including removing the subassembly, subassembly and the riding wheel subassembly of shooing, wherein, remove the subassembly and set up between two parties and be used for realizing the operation of controlling of the subassembly of shooing, the subassembly front and back symmetry of shooing sets up in the top of removing the subassembly and is used for realizing the operation of shooing to the steam turbine rotor, and riding wheel subassembly bilateral symmetry sets up in the left and right sides both sides of removing the subassembly and is used for realizing the support operation to the steam turbine rotor. Specifically, a steam turbine rotor is supported and placed through two pairs of supporting rollers in two supporting roller assemblies; the motor in the moving assembly can realize the integral left-and-right movement of the front and the rear photographing assemblies through the transmission of a gear and a rack, and the front and the rear photographing assemblies can be close to or far away from each other through the transmission of a second motor and a screw; the CCD camera can photograph the circumferential surface of the steam turbine rotor at any angle through the transmission of the motor III through the gear and the rack.

The utility model provides a rotor detection device for steam turbine compares in traditional artifical slowly detect surface defect on the steam turbine rotor at the during operation, and this detection device has rational in infrastructure, convenient to use, detects the process on surface quick, confirm the convenient characteristics in position of defect.

Drawings

Fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention.

Fig. 2 and 3 are schematic structural views of the moving assembly.

Fig. 4 and 5 are schematic structural views of the photographing assembly.

Fig. 6 is a schematic structural view of the photographing part.

Fig. 7 is a schematic structural view of the idler assembly.

Wherein:

i-moving the assembly:

101-a support plate; 102-a support frame; 103-Fuma wheel; 104-a first slide rail; 105-a first slide block; 106-sliding plate one; 107-fixing the plate I; 108-a first motor; 109-gear one; 110-L section steel I; 111-rack one; 112-mounting the plate I; 113-side dams; 114-an industrial personal computer; 115-support bar; 116-sliding rail two; 117-sliding block two; 118-sliding plate two; 119-a lead screw; 120-a mount; 121-lead screw slider; 122-fixing plate II; 123-motor two; 124-coupling.

II-photographing component:

201-mounting plate II; 202-sliding rail three; 203-sliding block III; 204-sliding plate III; 205-motor three; 206-gear two; 207-L section steel II; 208-inner gear two; 209-connecting plate one; 210-fixing plate III; 211-a CCD camera; 212-fixed plate four; 213-a bar light source; 214-display.

III-riding wheel component:

301-a carrier; 302-a trunnion shaft; 303-bearing seats; 304-a riding wheel; 305-fixing plate five; 306-anchor bolts; 307-sheet metal plate; 308-a photoelectric distance sensor; 309-connecting plate two.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 7, a rotor detection device for steam turbine, including removing subassembly I, subassembly II and riding wheel subassembly III of shooing, wherein, remove subassembly I and set up between two parties and be used for realizing the operation of moving about of subassembly II of shooing, the subassembly II front and back symmetries of shooing set up in the top of removing subassembly I and are used for realizing the operation of shooing to the steam turbine rotor, the III bilateral symmetry of riding wheel set up in the left and right sides of removing subassembly I and be used for realizing the support operation to the steam turbine rotor.

In this embodiment, the moving assembly i includes a support plate 101, a support frame 102 and a horsewheel 103, the support plate 101 is horizontally installed at the top of the support frame 102, the horsewheel 103 is uniformly installed at the bottom of the support frame 102, two sets of first slide rails 104 are symmetrically arranged in front and back above the support plate 101, each set of first slide rails 104 is provided with two first horizontal guide rails and installed on the upper end surface of the support plate 101 in left and right directions, a first slide block 105 is slidably installed on the first slide rails 104, a first slide plate 106 is horizontally installed on the top of the first slide block 105, a first C-shaped fixing plate 107 is installed near the inner side of the upper end surface of the first slide plate 106, a first horizontal inward motor 108 is installed in the middle of the first fixing plate 107, a first gear 109 is installed on the output shaft of the first motor 108, first left and right horizontal directional L-shaped steel 110 is symmetrically installed in front and back directions between the two, the first gear 109 and the first rack 111 are meshed with each other, a first mounting plate 112 is horizontally mounted at the top of the first fixing plate 107, the upper end surface of the first mounting plate 112 is symmetrically provided with support bars 115 which face forwards and backwards, a second slide rail 116 which faces forwards and backwards is installed on the upper end face of the support bar 115, a second slide block 117 is installed on the second slide rail 116 in a sliding manner, a second U-shaped slide plate 118 is horizontally installed at the top of the second slide block 117, a lead screw 119 is arranged between the two supporting bars 115 in parallel, two ends of the lead screw 119 are arranged on the first mounting plate 112 through a mounting seat 120, a screw rod slide block 121 is connected to the screw rod 119 in a threaded manner and is arranged on the lower end surface of the second sliding plate 118, the up end of mounting panel 112 leans on the outside to install two fixed plates 122, install two motors 123 of level inwards on two fixed plates 122, be connected through shaft coupling 124 between two motors 123 and the lead screw 119. The front photographing component II and the rear photographing component II can integrally move left and right through the transmission of the first motor 108 through a gear and a rack, and the front photographing component II and the rear photographing component II can approach or leave through the transmission of the second motor through a screw.

In this embodiment, subassembly II of shooing includes two 201 of mounting panel, two 201 of mounting panel are C type panel and opening inwards sets up, two 201 welding of mounting panel are in the top of two 118 of slide, three 202 of slide rail of C type are installed to the outer bilateral symmetry to the inner wall of two 201 of mounting panel, slidable mounting has three 203 of slider on three 202 of slide rail, install three 204 of slide plate of L type on three 203 of slider, install the level three motor 205 inwards on three 204 of slide plate, install two 206 gears on the output shaft of three motor 205, the inner wall of two 201 of mounting panel is installed the L shaped steel two 207 of C type by the inner bilateral symmetry, install two 208 internal gear of C type on two 207 of L shaped steel, intermeshing between two 206 gears and two 208 of internal gear, it is connected with connecting plate 209 to control between two three 204 of slide plates, the fixed plate three 210 of L type is installed to the outside of connecting plate one 209 by the centre, install CCD camera 211 inwards on the fixed plate three 210, the inboard of connecting plate 209 leans on the middle fixed plate four 212 of installing the ship type, bar light source 213 is installed to the medial extremity department of fixed plate four 212, and light stability when can effectively guaranteeing to shoot the steam turbine rotor photo through addding bar light source 213 for whether the staff has surface defect according to the more convenient determination of gained photo, display 214 has been hung in the outside of mounting panel two 201, shows the photo of shooing and enlargies the back through display 214 real-time show and shows, makes the staff whether have surface defect according to the more convenient determination of gained photo, CCD camera 211 respectively with bar light source 213 and display 214 electric connection. The CCD camera 211 can shoot the circumferential surface of the steam turbine rotor at any angle through the transmission of the motor III through a gear rack.

In this embodiment, the riding wheel assembly iii includes riding wheel frame 301, riding wheel axle 302 and riding wheel 304, spline connection and installation are in the top of riding wheel frame 301 through bearing frame 303 between riding wheel 304 and the riding wheel axle 302, the welding has the fixed plate of the L type 305 five in the bottom by the front and back both sides of riding wheel frame 301, fixed plate five 305 is fixed on the cement ground through rag bolt 306, the front and back bilateral symmetry of riding wheel frame 301 is equipped with photoelectric distance sensor 308, photoelectric distance sensor 308 installs at the top of riding wheel frame 301 through the sheet metal plate 307 of the L type, there is the connecting plate two 309 of Z type between backup pad 101 and the riding wheel frame 301 through the screw connection. The turbine rotor is held down by two pairs of idlers 304 in two idler assemblies iii.

In this embodiment, C-shaped side baffles 113 are symmetrically arranged between the first mounting plate 112 and the first sliding plate 106, an industrial personal computer 114 is arranged between the two side baffles 113, and the industrial personal computer 114 is electrically connected with the first motor 108, the second motor 123, the third motor 205, the CCD camera 211 and the photoelectric distance sensor 308 respectively. The motion control of the first motor 108, the second motor 123, the third motor 205 and the CCD camera 211 is realized by the industrial personal computer 114.

In the present embodiment, the working principle and working process of the rotor detection device for the steam turbine are as follows:

step 1: setting an initial state: firstly, the front and rear CCD cameras are driven by the motor III 205 to move to the middle positions (namely 3 o 'clock and 9 nine o' clock directions) corresponding to the slide rail III 202, the front and rear photographing assemblies II are driven by the motor I108 to move towards the left to a left limit point, and the front and rear photographing assemblies II are driven by the motor II 123 to move away from each other;

step 2: placing a steam turbine rotor: placing the turbine rotor on the riding wheels 304 in the riding wheel assemblies III on two sides through hoisting equipment;

step 3: shooting a steam turbine rotor: firstly, the motor II 123 drives the front and the rear photographing components II to mutually approach to form a complete annular sliding rail by the front and the rear sliding rails III 202, so that the front and the rear internal gears 208 form a complete annular internal gear, then, the motor III 202 at the front side drives the CCD camera 211 at the front side to return to the lowest point (namely 6 o ' clock position) of the sliding rails III 202 at the front side in the anticlockwise direction, then, the motor III 202 at the rear side drives the CCD camera 211 at the rear side to return to the highest point (namely 12 o ' clock position) of the sliding rails III 202 at the rear side in the anticlockwise direction, then, the motor III 202 at the front side drives the CCD camera 211 at the front side to move intermittently in the clockwise direction with a fixed angle value, and shoots a photo of the front side surface of the turbine rotor at the time of rest until the photo reaches the highest point (namely 12 o ' clock position) of the sliding rails III 202 at the front side, and then, the motor III 202 at the rear side drives the CCD camera 211 at the rear, when the motor III 202 stops, a picture of the rear side surface of the steam turbine rotor is shot until the picture moves to the lowest point (namely 6 o' clock direction) of the rear side sliding rail III 202, then the motor I108 drives the front photographing component II and the rear photographing component II to intermittently move towards the right in fixed step length until the picture reaches a right limit point, the picture of the surface of the steam turbine rotor is shot according to the content when the motor I108 stops, the three-dimensional space coordinate where the CCD camera is located is recorded when the picture is shot, and the obtained picture and the space coordinate are stored in the industrial personal computer 114;

step 4: marking a steam turbine rotor: the worker browses all the pictures taken one by one on the display 214, marks the pictures with the surface defects, directly skips the pictures without the surface defects, and finally filters the pictures with the surface defects and the three-dimensional coordinates of the CCD camera, and the worker can mark the defects on the surface of the turbine rotor by using a marker pen according to the reserved information.

Step 5: taking away the turbine rotor: the front photographing component II and the rear photographing component II are driven to be away from each other through the second motor 123, and then the steam turbine rotor is hoisted away from the riding wheel 304 through hoisting equipment, so that the surface defect detection of the main body part is completed.

To sum up, the utility model provides a this kind of rotor detection device for steam turbine: including removing the subassembly, subassembly and the riding wheel subassembly of shooing, wherein, remove the subassembly and set up between two parties and be used for realizing the operation of controlling of the subassembly of shooing, the subassembly front and back symmetry of shooing sets up in the top of removing the subassembly and is used for realizing the operation of shooing to the steam turbine rotor, and riding wheel subassembly bilateral symmetry sets up in the left and right sides both sides of removing the subassembly and is used for realizing the support operation to the steam turbine rotor. Specifically, a steam turbine rotor is supported and placed through two pairs of supporting rollers in two supporting roller assemblies; the motor in the moving assembly can realize the integral left-and-right movement of the front and the rear photographing assemblies through the transmission of a gear and a rack, and the front and the rear photographing assemblies can be close to or far away from each other through the transmission of a second motor and a screw; the CCD camera can photograph the circumferential surface of the steam turbine rotor at any angle through the transmission of the motor III through the gear and the rack.

The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A rotor testing apparatus for a steam turbine, characterized by: including removing subassembly (I), subassembly (II) and riding wheel subassembly (III) of shooing, wherein, remove subassembly (I) and set up between two parties and be used for realizing the operation of controlling of shooing subassembly (II), the subassembly (II) of shooing front and back symmetry sets up in the top of removing subassembly (I) and is used for realizing the operation of shooing to the steam turbine rotor, riding wheel subassembly (III) bilateral symmetry sets up in the left and right sides of removing subassembly (I) and is used for realizing the support operation to the steam turbine rotor.

2. The rotor testing apparatus for a steam turbine according to claim 1, wherein: the movable assembly (I) comprises a supporting plate (101), a supporting frame (102) and a horseshoe wheel (103), wherein the supporting plate (101) is horizontally arranged at the top of the supporting frame (102), the horseshoe wheel (103) is uniformly arranged at the bottom of the supporting frame (102), two sets of first sliding rails (104) are symmetrically arranged in front of and behind the upper portion of the supporting plate (101), each first sliding rail (104) is provided with two first sliding rails and a left sliding rail and a right sliding rail which are arranged on the upper end face of the supporting plate (101), a first sliding block (105) is slidably arranged on each first sliding rail (104), a first sliding plate (106) is horizontally arranged at the top of each first sliding block (105), a first C-shaped fixing plate (107) is arranged on the inner side of the upper end face of each first sliding plate (106), a first horizontal inward motor (108) is arranged in the middle of each fixing plate (107), the utility model discloses a bearing plate, including backup pad (101), mounting plate (104), rack one (111) of orientation about the symmetry is installed around between two sets of slide rails one (110), mutually engage between gear one (109) and rack one (111), the top horizontal installation of fixed plate one (107) has mounting panel one (112), the support bar (115) of orientation about the up end bilateral symmetry of mounting panel one (112) is installed, slide rail two (116) of orientation about the up end of support bar (115) is installed, slidable mounting has slider two (117) on slide rail two (116), the top horizontal installation of slider two (117) has slide two (118) of U type, and the parallel is equipped with lead screw (119) between two support bars (115), install on mounting panel one (112) through mount pad (120) at the both ends of lead screw (119), threaded connection has lead screw slider (121) and installs it at the lower terminal surface of slide two (118) on lead screw (119), the up end of mounting panel one (112) is leaned on the outside and is installed fixed plate two (122), install level motor two (123) inwards on fixed plate two (122), be connected through shaft coupling (124) between motor two (123) and lead screw (119).

3. The rotor testing apparatus for a steam turbine according to claim 2, wherein: the subassembly of shooing (II) includes mounting panel two (201), mounting panel two (201) are C type panel and opening and set up inwards, mounting panel two (201) welding is in the top of slide two (118), the inner wall of mounting panel two (201) leans on the outside bilateral symmetry to install three (202) of slide rail of C type, slidable mounting has three (203) of slider on three (202) of slide rail, install three (204) of slide plate of L type on three (203) of slider, install the level three (205) of motor inwards on three (204) of slide plate, install gear two (206) on the output shaft of motor three (205), the inner wall of mounting panel two (201) leans on the inboard bilateral symmetry to install L shaped steel two (207) of C type, install two (208) of inner gear of C type on L shaped steel two (207), intermeshing between two (206) of gear and two (208) of inner gear, be connected with connecting plate (209) between controlling two slides three (204), the outside of connecting plate (209) is by the fixed plate three (210) that the centre installed the L type, install CCD camera (211) inwards on fixed plate three (210), the inboard of connecting plate (209) is by the fixed plate four (212) that the centre installed the ship type, bar light source (213) are installed to the medial extremity department of fixed plate four (212), display (214) have been hung in the outside of mounting panel two (201), CCD camera (211) respectively with bar light source (213) and display (214) electric connection.

4. A rotor testing device for a steam turbine according to claim 3, wherein: the carrier roller assembly (III) comprises a carrier roller frame (301), a carrier roller shaft (302) and carrier rollers (304), wherein the carrier rollers (304) are connected with the carrier roller shaft (302) through splines and are arranged at the top of the carrier roller frame (301) through bearing seats (303), the front side and the rear side of the carrier roller frame (301) are welded with a fixing plate five (305) of an L type by the bottom, the fixing plate five (305) is fixed on a cement foundation through anchor bolts (306), photoelectric distance sensors (308) are symmetrically arranged at the front side and the rear side of the carrier roller frame (301), the photoelectric distance sensors (308) are arranged at the top of the carrier roller frame (301) through sheet metal plates (307) of the L type metal plates, and a second connecting plate (309) of a Z type is connected between the supporting plate (101) and the carrier roller frame (301) through screws.

5. The rotor testing apparatus for a steam turbine according to claim 4, wherein: the side shield (113) of C type are installed to bilateral symmetry between mounting panel (112) and slide (106) to be equipped with industrial computer (114) between two side shield (113), industrial computer (114) respectively with motor one (108), motor two (123), motor three (205), CCD camera (211) and photoelectric distance sensor (308) electric connection.