CN110526120B - Vertical hydraulic generator rotor hoisting auxiliary device and hoisting method - Google Patents
Vertical hydraulic generator rotor hoisting auxiliary device and hoisting method Download PDFInfo
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- CN110526120B CN110526120B CN201910708560.5A CN201910708560A CN110526120B CN 110526120 B CN110526120 B CN 110526120B CN 201910708560 A CN201910708560 A CN 201910708560A CN 110526120 B CN110526120 B CN 110526120B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a vertical hydraulic generator rotor hoisting auxiliary device and a hoisting method, and aims to provide the vertical hydraulic generator rotor hoisting auxiliary device and the hoisting method which can effectively reduce workers required in the vertical hydraulic generator rotor hoisting process, improve the hoisting efficiency and effectively avoid the problem that the rotor and the stator touch in the vertical hydraulic generator rotor hoisting process. Vertical hydraulic generator rotor hoist and mount auxiliary device includes the annular mounting spare, a plurality of glass flat boards that encircle to arrange in the outside of annular mounting spare, the connecting piece of connecting glass flat board and annular mounting spare, the magnet of setting on the annular mounting spare and the laser range finder of one-to-one setting on the glass flat board, be equipped with the arc datum line on the glass flat board, the laser beam that laser range finder jetted out is mutually perpendicular with the glass flat board, the interval between the laser beam that each laser range finder jetted out and the axis of annular mounting spare is the same.
Description
Technical Field
The invention relates to the field of vertical hydraulic generator rotor hoisting, in particular to a vertical hydraulic generator rotor hoisting auxiliary device and a vertical hydraulic generator rotor hoisting method.
Background
When a rotor of the conventional vertical hydraulic generator is hoisted out of or reinstalled in a stator pit, a worker needs to be arranged at each magnetic pole of the rotor, hold a wooden inserting plate by hand and continuously twitch up and down so as to find whether a touch condition occurs between the stator and the rotor in time; meanwhile, the crane commander continuously adjusts the positions of the big trolley and the small trolley of the bridge crane according to the touch position until the rotor is completely lifted out of or returned to the stator pit. The operation of this kind of vertical hydraulic generator rotor at present hanging out or repacking stator machine hole needs a large amount of staff cooperative operation, and the operation is inconvenient, and operating efficiency is low.
Disclosure of Invention
The invention aims to provide a vertical hydraulic generator rotor hoisting auxiliary device and a hoisting method, which can effectively reduce workers required in the vertical hydraulic generator rotor hoisting process, improve the hoisting efficiency and effectively avoid the problem that the rotor and the stator touch each other in the vertical hydraulic generator rotor hoisting process.
The technical scheme of the invention is as follows:
the utility model provides a vertical hydraulic generator rotor hoist and mount auxiliary device, includes annular mounting spare, a plurality of glass flat board, the connecting piece of connecting glass flat board and annular mounting spare, the magnet of setting on annular mounting spare and the laser range finder of one-to-one setting on the glass flat board of arranging in the outside of annular mounting spare of encircleing, the axis of glass flat board and annular mounting spare is mutually perpendicular, is equipped with the arc datum line on the glass flat board, the centre of a circle of arc datum line fall on the axis with annular mounting spare, and the arc datum line on each glass flat board distributes on same circle, the laser beam that laser range finder jetted out is mutually perpendicular with the glass flat board, and the interval between the axis of the laser beam that each laser range finder jetted out and annular mounting spare. Vertical hydraulic generator rotor hoist and mount auxiliary device of this scheme of application hoists vertical hydraulic generator rotor, not only can effectively reduce the required staff of vertical hydraulic generator rotor hoist and mount in-process, improves hoist and mount efficiency, can effectively avoid vertical hydraulic generator rotor hoist and mount in-process rotor and stator to take place the problem of touching moreover.
Preferably, the distance between the arc-shaped datum line and the axis of the annular mounting piece is equal to the sum of the radius of the rotor of the vertical hydraulic generator and one half of the clearance distance between the stator and the rotor.
Preferably, the distance between the laser beam emitted by the laser range finder and the axis of the annular mounting member is smaller than or equal to the distance between the arc-shaped reference line and the axis of the annular mounting member.
Preferably, the connecting pieces are provided with auxiliary positioning plates which are parallel to the axis of the annular mounting piece, the distance between the auxiliary positioning plates on the connecting pieces and the axis of the annular mounting piece is the same, and the distance between the auxiliary positioning plates and the axis of the annular mounting piece is larger than the radius of the rotor of the vertical hydraulic generator.
Preferably, the magnets are located on the same side of the annular mounting member, and the magnets and the annular mounting member are connected through a connecting rod.
Preferably, the annular mounting member is an annular flat plate.
A vertical hydraulic generator rotor hoisting method is characterized in that a vertical hydraulic generator rotor hoisting auxiliary device is applied to hoist a vertical hydraulic generator rotor, and the vertical hydraulic generator rotor hoisting method sequentially comprises the following steps:
firstly, installing a vertical hydraulic generator rotor hoisting auxiliary device on a rotor of a vertical hydraulic generator, wherein an annular installation part is fixed on the upper end surface of the rotor of the vertical hydraulic generator in an adsorption manner through a magnet, the axis of the annular installation part is adjusted to be superposed with the axis of the rotor of the vertical hydraulic generator, the annular installation part is positioned above the rotor of the vertical hydraulic generator, and a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device emits laser beams downwards;
the other vertical hydraulic generator rotor hoisting auxiliary device is installed on a frame of a stator machine pit of a vertical hydraulic generator, specifically, the annular installation part is fixed on the frame of the stator machine pit of the vertical hydraulic generator in an adsorption mode through a magnet, the axis of the annular installation part is adjusted to be overlapped with the axis of a stator of the stator machine pit of the vertical hydraulic generator, the annular installation part is located below the stator of the stator machine pit of the vertical hydraulic generator, and a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device emits a laser beam upwards;
secondly, hoisting a rotor of the vertical hydraulic generator by a bridge crane and moving the rotor to the upper part of a stator pit of the vertical hydraulic generator;
then, opening a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor, and emitting a laser beam downwards by the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device;
opening a laser range finder of a vertical hydraulic generator rotor hoisting auxiliary device on a frame of a stator machine pit, wherein the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device upwards emits laser beams;
wherein, the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor emits laser beams downwards to fall on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator machine pit,
a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator pit upwards emits laser beams to fall on a glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor,
thirdly, checking the distance measuring values of the laser distance measuring instruments on the vertical hydraulic generator rotor hoisting auxiliary device on the rotor and the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator machine pit, if the distance measuring values of the laser distance measuring instruments are the same, indicating that the rotating shaft of the rotor of the vertical hydraulic generator is in a vertical state, and if the distance measuring values of the laser distance measuring instruments are different, adjusting the verticality of the rotating shaft of the rotor of the vertical hydraulic generator through a bridge machine until the distance measuring values of the laser distance measuring instruments are the same;
adjusting the position of a rotor of the vertical hydraulic generator in the horizontal direction through a bridge crane, enabling laser beams emitted by all laser range finders of a vertical hydraulic generator rotor hoisting auxiliary device on the rotor to fall on the inner side of an arc reference line on a glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on a rack of the stator pit, and enabling laser beams emitted by all laser range finders of the vertical hydraulic generator rotor hoisting auxiliary device on the rack of the stator pit to fall on the inner side of the arc reference line on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor; so that the rotor of the vertical hydraulic generator is coaxial or basically coaxial with the stator; so, transfer through the bridge machine next the rotor of vertical hydraulic generator, can effectively avoid vertical hydraulic generator rotor hoist and mount in-process rotor and the problem that the stator takes place the touching.
Fourthly, the rotor of the vertical hydraulic generator is dropped through a bridge machine, and the rotor of the vertical hydraulic generator is installed back into the stator machine pit.
Compared with the traditional hoisting method of the rotor of the vertical hydraulic generator, the method has the advantages that a worker needs to arrange at each magnetic pole of the rotor, hold the wooden inserting plate and continuously twitch up and down so as to find out whether the stator and the rotor touch or not in time; the vertical hydraulic generator rotor hoisting method comprises the steps of checking whether laser beams emitted by the laser range finders fall on the inner sides of arc-shaped reference lines through one or two workers, checking whether the range values of the laser range finders are the same, and matching hoisting commanders to adjust the laser beams through a bridge crane.
The invention has the beneficial effects that: not only can effectively reduce required staff in the vertical hydraulic generator rotor hoisting process, improve hoisting efficiency, can effectively avoid the vertical hydraulic generator rotor hoisting process in addition the problem that the rotor and the stator touch.
Drawings
Fig. 1 is a bottom view of the vertical hydro-generator rotor lifting auxiliary device of the present invention.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic sectional structure view in the process of lifting the vertical hydro-generator rotor of the present invention.
In the figure:
an annular mounting member 1;
a glass plate 2;
a connecting member 3;
a magnet 4;
a laser range finder 5;
an arc-shaped datum line 6;
an auxiliary positioning plate 7;
rotor 9, rotating shaft 9.1;
a stator 10;
a frame 11;
a flange plate 12;
a lifting rope 13;
a hanger 14;
a vertical connecting shaft 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections, either mechanical or electrical, or communicating with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1 and 2, the vertical hydraulic generator rotor hoisting auxiliary device comprises an annular mounting part 1, a plurality of glass flat plates 2 arranged on the outer side of the annular mounting part in a surrounding manner, a connecting part 3 for connecting the glass flat plates and the annular mounting part, magnets 4 arranged on the annular mounting part, and laser range finders 5 arranged on the glass flat plates in a one-to-one correspondence manner. The glass panel is perpendicular to the axis of the ring mount. The glass plate is provided with an arc-shaped datum line 6. The circle center of the arc-shaped datum line is located on the axis of the annular mounting piece, and the arc-shaped datum lines on the glass flat plates are distributed on the same circle. The laser beams emitted by the laser range finders are vertical to the glass flat plate, and the distances between the laser beams emitted by the laser range finders and the axis of the annular mounting piece are the same. In this embodiment, the glass is dull and stereotyped around the circumference evenly distributed of ring mounting spare, and laser range finder is also around the circumference evenly distributed of ring mounting spare. In this embodiment, laser range finder is the laser range finder who takes the display screen, and the data that laser range finder recorded pass through the display screen display and show to make things convenient for operating personnel to read the data that laser range finder measured.
Further, the distance between the arc-shaped datum line and the axis of the annular mounting piece is equal to the sum of the radius of the rotor of the vertical hydraulic generator and the distance between the stator and the rotor which is one half of the distance. Herein, a half of the gap distance between the stator and the rotor is a half of the gap distance between the stator and the rotor. The distance between the laser beam emitted by the laser range finder and the axis of the annular mounting part is smaller than the distance between the arc-shaped reference line and the axis of the annular mounting part, and of course, the distance between the laser beam emitted by the laser range finder and the axis of the annular mounting part can also be equal to the distance between the arc-shaped reference line and the axis of the annular mounting part.
Furthermore, the connecting pieces are provided with auxiliary positioning plates 7 which are parallel to the axis of the annular mounting piece, the distance between the auxiliary positioning plates on the connecting pieces and the axis of the annular mounting piece is the same, and the distance between the auxiliary positioning plates and the axis of the annular mounting piece is larger than the radius of the rotor of the vertical hydraulic generator. The distance between the auxiliary positioning plate and the axis of the annular mounting part is smaller than the radius of the arc-shaped datum line.
Further, magnet is located the same side of ring mounting spare, and is connected through connecting rod 8 between magnet and the ring mounting spare. The magnets are spaced equally from the ring mount.
Further, the annular mounting member is an annular flat plate.
The second embodiment is as follows: a vertical hydraulic generator rotor hoisting method is characterized in that a vertical hydraulic generator rotor hoisting auxiliary device in a first embodiment is applied to hoist a vertical hydraulic generator rotor, and specifically, the vertical hydraulic generator rotor hoisting auxiliary device in the first embodiment is applied to hoist the vertical hydraulic generator rotor.
As shown in fig. 3, the method for hoisting the rotor of the vertical hydraulic generator sequentially comprises the following steps:
firstly, install a vertical hydraulic generator rotor hoist and mount auxiliary device on vertical hydraulic generator's rotor 9, specifically install as follows, adsorb the annular mounting spare through magnet and fix on the up end of vertical hydraulic generator's rotor 9 to adjust the axis of annular mounting spare 1 and the axis coincidence of vertical hydraulic generator's rotor, the annular mounting spare is located the top of vertical hydraulic generator's rotor, this vertical hydraulic generator rotor hoist and mount auxiliary device's laser range finder 5 jets out the laser beam downwards. In this embodiment, after the annular mounting member is fixed to the upper end surface of the rotor of the vertical hydraulic generator by magnetic attraction, the glass plate is perpendicular to the axis of the rotor of the vertical hydraulic generator, the auxiliary positioning plate is located outside the rotor of the vertical hydraulic generator, and when the axis of the annular mounting member is adjusted to coincide with the axis of the rotor of the vertical hydraulic generator, the position of the annular mounting member is adjusted by measuring the distance between the auxiliary positioning plate and the outer side surface of the rotor by a scale (such as a ruler or a vernier caliper) until the distances between the auxiliary positioning plates and the outer side surface of the rotor are the same, at this time, the axis of the annular mounting member coincides with the axis of the rotor of the vertical hydraulic generator.
Install on the frame 11 of vertical hydraulic generator's stator machine hole with another vertical hydraulic generator rotor hoist and mount auxiliary device, vertical hydraulic generator's stator 10 is fixed in stator machine hole, and stator 10 is located the top of this frame 11, specifically install as follows, adsorb the annular mounting spare through magnet and fix on the frame 11 of vertical hydraulic generator's stator machine hole, and adjust the axis of annular mounting spare and the axis coincidence of the stator of vertical hydraulic generator's stator machine hole, the annular mounting spare is located the below of the stator of vertical hydraulic generator's stator machine hole, this vertical hydraulic generator rotor hoist and mount auxiliary device's laser range finder jets out the laser beam upwards. In this embodiment, a flange 12 for mounting a rotor of the vertical hydraulic generator is provided on the frame of the stator pit, the flange is rotatably mounted on the frame of the stator pit and used for mounting the rotor of the vertical hydraulic generator, and the flange is coaxial with the stator of the vertical hydraulic generator. After the annular installation part is fixed on the frame of the stator machine pit through magnet adsorption, the glass flat plate is vertical to the axis of the stator of the vertical hydraulic generator, the flange plate on the frame of the stator machine pit is positioned in the annular installation part, when the axis of the annular installation part is adjusted to be superposed with the axis of the stator machine pit of the vertical hydraulic generator, the distance between each part of the annular installation part and the outer side surface of the flange plate is measured through a graduated scale (such as a ruler or a vernier caliper), so that the position of the annular installation part is adjusted, the axis of the annular installation part is superposed with the axis of the flange plate, and at the moment, the axis of the annular installation part is superposed with the axis of the stator of the.
Secondly, hoisting a rotor of the vertical hydraulic generator by a bridge crane and moving the rotor to the upper part of a stator pit of the vertical hydraulic generator; specifically, the bridge crane comprises two lifting ropes 13 and a hanger 14 suspended below the two lifting ropes, each lifting rope is driven by an independent power device, the power device comprises a rope drum and a rope drum (not shown in the figure) for driving the rope drum to rotate, and the lifting ropes are wound on the corresponding rope drums; the hanger is provided with a vertical connecting shaft 15 for connecting a rotating shaft of a rotor of the vertical hydraulic generator, two lifting ropes are symmetrically distributed on two sides of the vertical connecting shaft, and the lower end of the vertical connecting shaft is connected with the upper end of a rotating shaft 9.1 of the rotor of the vertical hydraulic generator through a flange;
then, opening a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor, and emitting a laser beam downwards by the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device; opening a laser range finder of a vertical hydraulic generator rotor hoisting auxiliary device on a frame of a stator machine pit, wherein the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device upwards emits laser beams;
wherein, the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor emits laser beams downwards to fall on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator machine pit,
a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator machine pit upwards emits laser beams to fall on a glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor.
Thirdly, checking the distance measuring values of all laser distance measuring instruments on a vertical hydraulic generator rotor hoisting auxiliary device on the rotor of the vertical hydraulic generator and a vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator pit, and if the distance measuring values of all the laser distance measuring instruments are the same, indicating that the rotating shaft of the rotor of the vertical hydraulic generator is in a vertical state; if the range finding value of each laser range finder is inequality, then through the straightness that hangs down of the pivot of the rotor of vertical hydraulic generator of bridge crane regulation, until the range finding value of each laser range finder is the same, specifically, adjust the length of transferring of lifting rope through power device to adjust the straightness that hangs down of the pivot of the rotor of vertical hydraulic generator, until the range finding value of each laser range finder is the same, at this moment, the pivot of the rotor of vertical hydraulic generator is in vertical state.
Adjusting the position of a rotor of the vertical hydraulic generator in the horizontal direction through a bridge crane, enabling laser beams emitted by all laser range finders of a vertical hydraulic generator rotor hoisting auxiliary device on the rotor to fall on the inner side of an arc reference line on a glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on a rack of the stator pit, and enabling laser beams emitted by all laser range finders of the vertical hydraulic generator rotor hoisting auxiliary device on the rack of the stator pit to fall on the inner side of the arc reference line on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor; optimally, the spacing between the laser beam bright point on each glass plate and the arc-shaped reference line on the glass plate is the same, so that the rotor and the stator of the vertical hydraulic generator are coaxial or basically coaxial; so, transfer through the bridge machine next the rotor of vertical hydraulic generator, can effectively avoid vertical hydraulic generator rotor hoist and mount in-process rotor and the problem that the stator takes place the touching.
If the distance between the laser beams emitted by the laser range finders and the axis of the annular mounting part is equal to the distance between the arc reference line and the axis of the annular mounting part, the position of the rotor of the vertical hydraulic generator in the horizontal direction is adjusted by the bridge crane, so that the laser beams emitted by the laser range finders of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor fall on the arc reference line on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator pit, and the laser beams emitted by the laser range finders of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator pit fall on the arc reference line on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor. So, transfer through the bridge machine next the rotor of vertical hydraulic generator, can effectively avoid vertical hydraulic generator rotor hoist and mount in-process rotor and the problem that the stator takes place the touching.
Fourthly, the rotor of the vertical hydraulic generator is dropped through a bridge machine, and the rotor of the vertical hydraulic generator is installed back into the stator machine pit.
Compared with the traditional hoisting method of the rotor of the vertical hydraulic generator, the method has the advantages that a worker needs to arrange at each magnetic pole of the rotor, hold the wooden inserting plate and continuously twitch up and down so as to find out whether the stator and the rotor touch or not in time; the vertical hydraulic generator rotor hoisting method comprises the steps of checking whether laser beams emitted by the laser range finders fall on the inner sides of arc-shaped reference lines through one or two workers, checking whether the range values of the laser range finders are the same, and matching hoisting commanders to adjust the laser beams through a bridge crane.
The third concrete embodiment: the vertical hydraulic generator rotor hoisting method of the embodiment refers to the second specific embodiment, and the difference is that:
in the fourth step, in the process of lowering the rotor of the vertical hydraulic generator by the bridge crane, monitoring whether the laser beam bright spot on each glass plate falls on the inner side of the arc-shaped reference line and whether the distance measurement values of the laser distance meters are the same on the vertical hydraulic generator rotor hoisting auxiliary device on the rotor of the vertical hydraulic generator,
if the laser beam bright spots on the existing glass plate fall on the arc-shaped reference line or fall on the outer side of the arc-shaped reference line, the bridge machine stops lowering the rotor of the vertical hydraulic generator, the three steps are returned, the position of the rotor of the vertical hydraulic generator in the horizontal direction is adjusted through the bridge machine, and the laser beams emitted by the laser range finders fall in the arc-shaped reference line;
and if the distance measuring values of the laser distance measuring instruments are different, stopping the bridge machine from lowering the rotor of the vertical hydraulic generator, returning to the three steps, and adjusting the state of the rotating shaft of the rotor of the vertical hydraulic generator through the bridge machine until the distance measuring values of the laser distance measuring instruments are the same.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a vertical hydraulic generator rotor hoist and mount auxiliary device, characterized by includes annular mounting spare, a plurality of glass flat board of arranging in the outside of annular mounting spare, the connecting piece of connecting glass flat board and annular mounting spare, magnet and the laser range finder of setting on the glass flat board of setting on annular mounting spare of encircleing, laser range finder and glass flat board one-to-one, magnet are located same one side of annular mounting spare, the glass flat board is mutually perpendicular with the axis of annular mounting spare, is equipped with the arc datum line on the glass flat board, and the centre of a circle of arc datum line falls on the axis of annular mounting spare, and the arc datum line on each glass flat board distributes on same circle, the laser beam that laser range finder jetted out is mutually perpendicular with the glass flat board, and the interval between the axis of each laser range finder jetted out is.
2. The vertical hydro-generator rotor lifting auxiliary device as recited in claim 1, wherein the distance between the arc reference line and the axis of the ring mounting member is equal to the sum of the radius of the rotor of the vertical hydro-generator and one-half of the clearance distance between the stator and the rotor.
3. The vertical hydraulic generator rotor hoisting auxiliary device according to claim 2, wherein the distance between the laser beam emitted by the laser range finder and the axis of the annular mounting member is smaller than or equal to the distance between the arc-shaped reference line and the axis of the annular mounting member.
4. The vertical hydraulic generator rotor hoisting auxiliary device according to claim 1, 2 or 3, wherein the connecting pieces are provided with auxiliary positioning plates which are parallel to the axis of the annular mounting piece, the distances between the auxiliary positioning plates on each connecting piece and the axis of the annular mounting piece are the same, and the distance between the auxiliary positioning plates and the axis of the annular mounting piece is larger than the radius of the rotor of the vertical hydraulic generator.
5. The vertical hydro-generator rotor lifting auxiliary device as claimed in claim 1, 2 or 3, wherein the ring mounting member is a ring-shaped flat plate.
6. A vertical hydraulic generator rotor hoisting method is characterized in that the vertical hydraulic generator rotor hoisting auxiliary device of any one of claims 1 to 5 is applied to hoisting a vertical hydraulic generator rotor, and the vertical hydraulic generator rotor hoisting method sequentially comprises the following steps:
firstly, installing a vertical hydraulic generator rotor hoisting auxiliary device on a rotor of a vertical hydraulic generator, wherein an annular installation part is fixed on the upper end surface of the rotor of the vertical hydraulic generator in an adsorption manner through a magnet, the axis of the annular installation part is adjusted to be superposed with the axis of the rotor of the vertical hydraulic generator, the annular installation part is positioned above the rotor of the vertical hydraulic generator, and a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device emits laser beams downwards;
the other vertical hydraulic generator rotor hoisting auxiliary device is installed on a frame of a stator machine pit of a vertical hydraulic generator, specifically, the annular installation part is fixed on the frame of the stator machine pit of the vertical hydraulic generator in an adsorption mode through a magnet, the axis of the annular installation part is adjusted to be overlapped with the axis of a stator of the stator machine pit of the vertical hydraulic generator, the annular installation part is located below the stator of the stator machine pit of the vertical hydraulic generator, and a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device emits a laser beam upwards;
secondly, hoisting a rotor of the vertical hydraulic generator by a bridge crane and moving the rotor to the upper part of a stator pit of the vertical hydraulic generator;
then, opening a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor, and emitting a laser beam downwards by the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device;
opening a laser range finder of a vertical hydraulic generator rotor hoisting auxiliary device on a frame of a stator machine pit, wherein the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device upwards emits laser beams;
wherein, the laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor emits laser beams downwards to fall on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator machine pit,
a laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator pit upwards emits laser beams to fall on a glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor,
thirdly, adjusting the position of the rotor of the vertical hydraulic generator in the horizontal direction through a bridge machine, enabling laser beams emitted by each laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor to fall on the inner side of an arc reference line on a glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator pit, and enabling laser beams emitted by each laser range finder of the vertical hydraulic generator rotor hoisting auxiliary device on the frame of the stator pit to fall on the inner side of the arc reference line on the glass plate of the vertical hydraulic generator rotor hoisting auxiliary device on the rotor;
checking the distance measuring values of all laser distance measuring instruments on a vertical hydraulic generator rotor hoisting auxiliary device on a rotor and a vertical hydraulic generator rotor hoisting auxiliary device on a frame of a stator machine pit, if the distance measuring values of all the laser distance measuring instruments are the same, indicating that a rotating shaft of the rotor of the vertical hydraulic generator is in a vertical state, and if the distance measuring values of all the laser distance measuring instruments are different, adjusting the verticality of the rotor of the vertical hydraulic generator through a bridge machine until the distance measuring values of all the laser distance measuring instruments are the same;
and the rotor of the vertical hydraulic generator is dropped through the bridge machine, and the rotor of the vertical hydraulic generator is installed back into the stator machine pit.
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| CN201910708560.5A CN110526120B (en) | 2019-08-01 | 2019-08-01 | Vertical hydraulic generator rotor hoisting auxiliary device and hoisting method |
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| CN201910708560.5A CN110526120B (en) | 2019-08-01 | 2019-08-01 | Vertical hydraulic generator rotor hoisting auxiliary device and hoisting method |
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| CN110526120B true CN110526120B (en) | 2020-10-20 |
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| CN116553380B (en) * | 2023-05-06 | 2023-12-01 | 中国长江电力股份有限公司 | Alignment monitoring system and method for automatic plugboard mechanism for hoisting hydro-generator rotor |
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