CN211422720U - Rotor fixing device for transporting whole steam turbine - Google Patents
Rotor fixing device for transporting whole steam turbine Download PDFInfo
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- CN211422720U CN211422720U CN201921378339.XU CN201921378339U CN211422720U CN 211422720 U CN211422720 U CN 211422720U CN 201921378339 U CN201921378339 U CN 201921378339U CN 211422720 U CN211422720 U CN 211422720U
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Abstract
The utility model provides a whole quick-witted transportation of steam turbine uses rotor fixing device, this fixing device comprises two fixed component, every fixed component assembly sets up at the rotor along its axial one end, fixed component is including upper and lower cooperation clamp at the top board and the holding down plate of rotor tip, and be used for carrying out the coupling assembling that the cooperation is connected to upper fixed board and holding down plate, a semicircular through-hole groove has been seted up in the lower part center department of upper fixed board, an accommodating tank has been seted up in the upper portion center department correspondence of holding down plate, this through-hole groove and accommodating tank can be in the cooperation of upper fixed board and holding down plate and connect the back, cooperation group constitutes an pilot hole that is used for holding rotor tip from top to bottom. The utility model discloses a rotor fixing device, it can make the rotor reliable maintenance in the transportation, fix in the suitable position of steam turbine complete machine and avoid taking place the damage of colliding with.
Description
Technical Field
The utility model relates to a steam turbine technical field, specific whole quick-witted transportation of steam turbine is with rotor fixing device that says so.
Background
For small-sized steam turbines, a steam turbine underframe part sleeve is already included in the whole structure of the steam turbine, so that the structures of the steam turbine except for a rotor have the whole delivery transportation capacity.
The rotor in the whole turbine is a sleeve, which comprises a main shaft, an impeller with the diameter gradually increasing from the head to the tail is sleeved on the main shaft, and two ends of the main shaft of the rotor are placed on bearing bushes in a front bearing block and a rear bearing block.
After the steam turbine rotor is assembled in a workshop, two ends of a main shaft are placed on bearing bushes in a front bearing seat and a rear bearing seat, and a gap between the top of the outer diameter of an impeller and other sleeve parts in a cylinder is about 1 mm. If the rotor is not fixed, the bearing bush and the end part of the rotor are easily abraded in the transportation process, and the rotor is easily axially or radially shaken under the influence of a road surface and other external conditions in the transportation process, and the whole rotor suddenly vibrates, so that impact and collision with other parts in the cylinder are easily caused, and the rotor and other parts in the cylinder are easily irreparably damaged.
SUMMERY OF THE UTILITY MODEL
Have fixed unstability in order to solve among the prior art during the rotor transportation, easily arouse the technical problem of quality safety hidden danger, the utility model provides a rotor fixing device is used in the transportation of whole machine of steam turbine, it can make the rotor reliable maintenance in the transportation, fix the suitable position at the whole machine of steam turbine and avoid taking place to collide with and damage.
The utility model discloses a solve above-mentioned technical problem, the technical scheme who adopts is: a rotor fixing device for the transportation of the whole turbine is composed of two fixing elements, each of which is arranged at one end of the rotor along the axial direction and comprises an upper fixing plate and a lower pressing plate which are clamped at the end part of the rotor in an up-and-down matching mode, and a connecting assembly for connecting the upper fixing plate and the lower pressing plate in a matching mode, wherein a semicircular through hole groove is formed in the center of the lower part of the upper fixing plate, a containing groove is correspondingly formed in the center of the upper part of the lower pressing plate, the through hole groove and the containing groove can form an assembling hole for containing the end part of the rotor in an up-and-down matching mode after the upper fixing plate and the lower pressing plate are connected in a matching mode, a connecting piece I and a connecting piece II for fixing the connecting pieces on the end surface of a turbine cylinder and the end surface of a gland sealing body respectively, and a positioning assembly for fixing the connecting pieces, and the lower pressing plate is provided with a pressing assembly for fixing the lower pressing plate on the end face of the gland casing.
Preferably, a plurality of first through holes are uniformly formed in the upper fixing plate in the position corresponding to the end face of the cylinder along the circumferential direction, the connecting piece I comprises a first hexagon head bolt, a first flat gasket and a first spring gasket, wherein after the first hexagon head bolt penetrates through the first through hole of the upper fixing plate, the tail end of the first hexagon head bolt is in threaded connection with a matched preset counter bore in the end face of the cylinder, and the first flat gasket and the first spring gasket which are sequentially arranged are pressed on the surface of the upper fixing plate.
Preferably, a plurality of second through holes are uniformly formed in the upper fixing plate in the position corresponding to the end face of the gland casing along the circumferential direction, and the connecting piece II comprises a second hexagon head bolt, a second flat gasket and a second spring gasket, wherein after the second hexagon head bolt penetrates through the second through hole of the upper fixing plate, the tail end of the second hexagon head bolt is in threaded connection with a counter bore which is preset in a matched mode on the end face of the gland casing, and the second hexagon head bolt and the second spring gasket are sequentially arranged and tightly pressed on the surface of the upper fixing plate.
Preferably, a plurality of taper pins for positioning the upper fixing plate on the end face of the cylinder and the end face of the gland casing are further arranged on the upper fixing plate.
Preferably, the upper fixing plate is provided with a hoisting hole for hoisting the upper fixing plate; and hoisting lugs for hoisting the lower pressing plate are symmetrically arranged at the left end and the right end of the lower pressing plate.
Preferably, the holding down plate on, waist type hole has been seted up in the position that corresponds to gland casing terminal surface, the subassembly that compresses tightly include third hexagon head bolt, red copper cushion and third spring washer, wherein, red copper cushion sets up between gland casing terminal surface and holding down plate, and its surface has also seted up waist type hole, after third hexagon head bolt passed waist type hole on holding down plate and the red copper cushion in proper order, terminal threaded connection is in the supporting predetermined counter bore on gland casing terminal surface to compress tightly on the holding down plate surface through third spring washer.
Preferably, the number of the waist-shaped holes on the lower pressing plate is two, and the waist-shaped holes are arranged in a bilateral symmetry manner.
Preferably, coupling assembling include two connecting bolt that bilateral symmetry set up, two connecting hole that match with connecting bolt are seted up vertically on the upper fixed plate, after every connecting bolt passed its connecting hole that corresponds, terminal threaded connection is in the supporting predetermined holding down plate screw hole on the holding down plate, on every connecting bolt, still be provided with two fixation nut who is used for screwing it on upper fixed plate lower surface and holding down plate upper surface respectively to and be used for screwing it two lifting nut on the upper fixed plate upper surface.
Preferably, the upper fixed plate on, at the position that corresponds to rotor step terminal surface, evenly seted up a plurality of fourth through-holes along circumference, locating component include holding screw, red copper gasket and lock nut, wherein, red copper gasket pad is established between rotor step terminal surface and upper fixed plate, and its upper surface has seted up circular shallow slot, after holding screw passed the fourth through-hole of upper fixed plate, terminal threaded connection was in the circular shallow slot of predetermineeing on the red copper gasket to lock on the upper fixed plate surface through lock nut.
Preferably, the upper surface of the accommodating groove is processed with two inclined planes in bilateral symmetry, so that the accommodating groove integrally forms a V-shaped structure for bearing the rotor, the periphery of the inclined planes is provided with a chamfer angle structure, the bottom ends of the two inclined planes are provided with the concave processing groove, and the upper surfaces of the two inclined planes are paved with rubber pads with the area larger than the upper surfaces of the two inclined planes.
Has the advantages that:
1. the utility model discloses a rotor fixing device is used in transportation of whole machine of steam turbine through connecting bolt, taper pin, compress tightly the setting of subassembly isotructure and can make the upper fixed plate and the holding down plate of transporting the rotor firmly fix on the cylinder and the gland casing portion cover terminal surface of steam turbine.
2. Thereby can drive the lower press plate through adjusting connecting bolt and reciprocate the vertical displacement of adjustment rotor, make the rotor be in unsettled state to guarantee that rotor both ends leave the axle bush certain distance and rotor impeller and other spare parts in the cylinder have a suitable clearance.
3. The rotor can not generate axial float in the transportation process by screwing the set screw, the axial degree of freedom is limited, the rotor is clamped and lifted by utilizing the two inclined planes of the accommodating groove, the displacement of the rotor in the direction vertical to the axial direction can be limited, and the phenomena of left-right swinging and rolling of the rotor in the transportation process can not occur.
4. The utility model discloses simple structure, small and exquisite slim and graceful workable, it is less to have maneuverability and used material on the spot, low in manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cut-away view of plane A-A of FIG. 1;
FIG. 3 is a schematic structural view of an upper fixing plate;
FIG. 4 is a schematic structural view of the lower platen;
FIG. 5 is a schematic structural diagram of a red copper pad;
graphic notation: 1. an upper fixing plate; 101. a first through hole; 102. a second through hole; 103. a taper pin; 104. hoisting holes; 105. a connecting through hole; 106. a fourth via hole; 2. a lower pressing plate; 201. a lower pressing plate screw hole; 202. a kidney-shaped hole; 3. a connecting assembly; 301. a connecting bolt; 302. fixing a nut; 303. lifting the nut; 4. a positioning assembly; 401. tightening the screw; 402. a red copper gasket; 403. locking the nut; 5. a containing groove; 501. a bevel; 502. a rubber pad; 503. a concave processing groove; 6. a connecting piece I; 601. a first hexagon head bolt; 602. a first flat gasket; 603. a first spring washer; 7. a connecting piece II; 701. a second hexagon head bolt; 702. a second flat washer; 703. a second spring washer; 8. hoisting the lug; 9. a compression assembly; 901. a third hexagon head bolt; 902. a red copper cushion block; 903. a third spring washer; 10. a cylinder end face; 11. gland casing terminal surface, 12, through-hole groove.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples:
as shown in the figure, the fixing device for the rotor for the whole turbine transportation comprises two fixing elements, wherein each fixing element is assembled at one end of the rotor along the axial direction of the rotor, each fixing element comprises an upper fixing plate 1 and a lower pressing plate 2 which are clamped at the end part of the rotor in an up-and-down matching mode, and a connecting assembly 3 used for connecting the upper fixing plate 1 and the lower pressing plate 2 in a matching mode, a semicircular through hole groove 12 is formed in the center of the lower part of the upper fixing plate 1, an accommodating groove 5 is correspondingly formed in the center of the upper part of the lower pressing plate 2, the through hole groove 12 and the accommodating groove 5 can form an assembling hole used for accommodating the end part of the rotor in an up-and-down matching mode after the upper fixing plate 1 and the lower pressing plate 2 are connected in a matching mode, a connecting piece I6 and a connecting piece II 7 which are respectively used for fixing the fixing device on a cylinder end, and the lower pressure plate 2 is provided with a pressing component 9 for fixing the lower pressure plate on the end face 11 of the gland casing.
The upper fixing plate 1 is provided with a first through hole 101 for fixing the upper fixing plate to the cylinder end face 10 through a connecting piece I6, a second through hole 102 for fixing the upper fixing plate to the gland body end face 11 through a connecting piece II 7, taper pins 103 for respectively determining the positions of the upper fixing plate 1 on the cylinder end face 10 and the gland body end face 11, and a hoisting hole 104 for hoisting the upper fixing plate 1.
By adopting the technical scheme, the upper fixing plate is hoisted by utilizing the hoisting hole, so that the upper fixing plate is in threaded connection with the end faces of the cylinder and the gland sealing body through the connecting piece I and the connecting piece II, and the axial freedom degree of the upper fixing plate is limited. The two taper pins are respectively utilized to limit the relative positions of the upper fixing plate, the end face of the cylinder and the end face of the gland casing, and the radial degree of freedom and the rotational degree of freedom of the upper fixing plate are limited, so that the upper fixing plate is firmly fixed on the end faces of the cylinder and the gland casing of the whole turbine.
On the upper fixing plate 1, a plurality of first through holes 101 are uniformly formed in the position corresponding to the cylinder end face 10 along the circumferential direction, and the connecting piece i 6 comprises a first hexagon head bolt 601, a first flat gasket 602 and a first spring gasket 603, wherein after the first hexagon head bolt 601 penetrates through the first through hole 101 of the upper fixing plate 1, the tail end of the first hexagon head bolt is in threaded connection with a matched preset counter bore on the cylinder end face 10, and is pressed on the surface of the upper fixing plate 1 through the first flat gasket 602 and the first spring gasket 603 which are sequentially arranged.
The upper fixing plate 1 is provided with a plurality of second through holes 102 at positions corresponding to the gland casing end face 11 along the circumferential direction, and the connecting piece ii 7 comprises a second hexagon head bolt 701, a second flat washer 702 and a second spring washer 703, wherein after the second hexagon head bolt 701 passes through the second through hole 102 of the upper fixing plate 1, the tail end of the second hexagon head bolt is in threaded connection with a counter bore which is preset on the gland casing end face 11 in a matching manner, and the second hexagon head bolt is tightly pressed on the surface of the upper fixing plate 1 through the second flat washer 702 and the second spring washer 703 which are arranged in sequence.
Through adopting above-mentioned technical scheme, it can guarantee that the rotor is in the transportation to press plain washer, spring washer in proper order respectively between connecting piece I, connecting piece II and the upper fixed plate, though there is the complete machine vibration of steam turbine that various factors arouse, still can not cause the hexagon head bolt not hard up, can make the upper fixed plate firmly laminate on cylinder terminal surface and gland casing terminal surface.
Preferably, the upper fixing plate 1 is provided with a hoisting hole 104 for hoisting the upper fixing plate; and hoisting lugs 8 for hoisting the lower pressing plate 2 are symmetrically arranged at the left end and the right end of the lower pressing plate.
Through adopting above-mentioned technical scheme, when linking together upper fixed plate and holding down plate through connecting piece I and adjust the holding down plate, because the spatial position of each spare part is very inseparable, can only adjust the holding down plate about, horizontal position through the hoist and mount lug. Can adopt the staff to adjust or adopt the hoist and mount rope to adjust when holding down plate is heavier, the operation is swift convenient.
Preferably, a kidney-shaped hole 202 is formed in a position, corresponding to the gland casing end face 11, of the lower pressing plate 2, the pressing assembly 9 includes a third hexagon head bolt 901, a red copper pad 902 and a third spring washer 903, wherein the red copper pad 902 is arranged between the gland casing end face 11 and the lower pressing plate 2, the kidney-shaped hole 202 is also formed in the surface of the red copper pad 902, the third hexagon head bolt 901 penetrates through the kidney-shaped holes 202 in the lower pressing plate 2 and the red copper pad 902 in sequence, and then the tail end of the third hexagon head bolt is in threaded connection with a matching preset counter bore in the gland casing end face 11 and is pressed on the surface of the lower pressing plate 2 through the third spring washer 903.
Preferably, the number of the upper waist-shaped holes 202 of the lower press plate 2 is two, and the two holes are arranged symmetrically.
By adopting the technical scheme, when the rotor is just assembled, the lifting height of the rotor can be adjusted through the kidney-shaped hole in the lower pressing plate. After the adjustment is completed, the hexagon head bolt with the spring washer passes through the lower pressing plate and the red copper cushion block and is firmly tightly attached to the end face of the gland casing through threaded connection, so that the hexagon head bolt cannot loosen in the transportation process, the lower pressing plate cannot swing along the axial direction of the rotor in the transportation process, and the stability of the lower pressing plate is guaranteed.
Preferably, the connecting assembly 3 includes two connecting bolts 301 that bilateral symmetry set up, vertically set up two connecting hole 105 that match with connecting bolt 301 on the upper fixed plate 1, after every connecting bolt 301 passed its corresponding connecting hole 105, terminal threaded connection was in supporting predetermined holding down plate screw 201 on holding down plate 2, on every connecting bolt 301, still be provided with two fixation nuts 302 that are used for screwing it on upper fixed plate 1 lower surface and holding down plate 2 upper surface respectively to and be used for screwing it on two lifting nut 303 on upper fixed plate 1 upper surface.
Through adopting above-mentioned technical scheme, connecting bolt passes the through-hole threaded connection of upper fixed plate in the holding down plate, thereby drives the holding down plate through rotatory lifting nut and reciprocates the lifting height of adjustment rotor, and this lifting height can be fixed to the cylinder with the absorption and the pointer hits the percentage table of rotor external diameter profile and carries out real-time supervision and measure, guarantees that rotor both ends leave axle bush certain distance and rotor impeller external diameter and other inside spare parts of cylinder have a suitable clearance. The fixing nuts are rotated to be respectively pressed on the horizontal end face of the lower pressing plate and the horizontal end face of the lower end face of the upper fixing plate to lock the connecting bolts, so that the relative positions of the connecting bolts, the upper fixing plate and the lower pressing plate are unchanged during transportation. Two liang of installation in pairs of lifting nut can be locked each other after screwing up, prevents to take place to become flexible in the transportation.
Preferably, a plurality of fourth through holes 106 are uniformly formed in the upper fixing plate 1 along the circumferential direction at positions corresponding to the end faces of the rotor steps, the positioning assembly 4 includes a set screw 401, a red copper gasket 402 and a lock nut 403, wherein the red copper gasket 402 is arranged between the end faces of the rotor steps and the upper fixing plate 1, a circular shallow groove is formed in the upper surface of the red copper gasket, and after the set screw 401 penetrates through the fourth through hole 106 of the upper fixing plate 1, the tail end of the red copper gasket is connected to the red copper gasket 402 through a thread in the preset circular shallow groove and is locked on the surface of the upper fixing plate through the lock nut 403.
Through adopting above-mentioned technical scheme, can make the rotor can not take place axial float in the transportation through screwing up holding screw, restriction axial degree of freedom. The red copper gasket can prevent holding screw and the direct rigid contact of steam turbine rotor from damaging the rotor surface, and it has circular shallow recess to open on the red copper gasket and can make locating screw head top go into circular shallow recess so that better location, prevents that the red copper gasket from droing in the transportation. The rotor can be well pressed by the set screw through the locking nut, and the set screw cannot be loosened due to vibration of the whole machine in the transportation process.
Preferably, two inclined planes 501 are symmetrically processed on the left and right of the upper surface of the accommodating groove 5, so that the accommodating groove 5 integrally forms a V-shaped structure for bearing the rotor, the peripheries of the inclined planes 501 are provided with chamfer structures, the bottom ends of the two inclined planes 501 are provided with a concave processing groove 503 for process, and the upper surfaces of the two inclined planes 501 are paved with rubber pads 502 with an area larger than the upper surface area.
By adopting the technical scheme, the rotor is placed in the accommodating groove and is just clamped by the two inclined planes, the two inclined planes are in contact with the rotor shaft, two forces which are perpendicular to the surface of the rotor shaft through the axis of the rotor can be generated, the two forces and the gravity of the rotor simultaneously pass through the axis, and then the three forces make the rotor in a balanced state, the displacement of the rotor in the vertical axial direction can be limited, and the phenomena of left-right swinging and rolling of the rotor in the transportation process can be avoided. The edges and corners are blunted, the rubber pads slightly larger than the area of the inclined surfaces are arranged on the surfaces of the two inclined surfaces, so that the rotor can be prevented from being directly in rigid contact with the accommodating groove, the rubber pads can elastically deform, the contact area between the outer cylindrical surface of the rotor and the two inclined surfaces can also be increased, and the concentrated stress generated by point contact between the rotor and the inclined surfaces is avoided. In addition, the rotor can vibrate slightly during transportation, and the rubber pad and the rotor are in elastic contact to play a role in vibration reduction. The concave processing groove for the process is arranged at the bottom of the two inclined planes, so that the processing process of the two inclined planes is simple and easy to operate.
The utility model discloses a complete quick-witted transportation of steam turbine is with rotor fixing device's implementation use is:
after the work of waiting steam turbine major structure and front and back bearing frame assembly on the steam turbine chassis, respectively arrange one at the front and back terminal surface of steam turbine the utility model discloses a rotor fixing device transports fixing device with this rotor and fixes the rotor assembly, later, lifts by crane the steam turbine complete machine to haulage vehicle, transports to demolish this rotor transportation fixing device after the user's scene.
The utility model discloses a rotor fixing device is used in transportation of whole machine of steam turbine's implementation operation is:
(1) and hoisting the lower pressing plate 2 to the gap between the bearing seat and the cylinder end face 10 and to be positioned at the lower half part of the rotor shaft by using the hoisting lug 8, and keeping the hoisting state unchanged. If the upper fixing plate 1 is hoisted first, the lower pressing plate 2 cannot be assembled due to the narrow spatial position.
(2) And hoisting the upper fixing plate 1 to the positions near the cylinder end face 10 and the gland casing end face 11 by using the hoisting holes 104. The first flat washer 602 and the first spring washer 603 are sequentially pressed 601 against the end face of the upper fixing plate 1 by using the first hexagon head bolt in the connecting member i 6, and are screwed into the screw hole of the cylinder end face 10. And a second flat gasket 702 and a second spring gasket 703 are sequentially pressed 701 on the end surface of the upper fixing plate 1 by using a second hexagon head bolt in the connecting piece II 7 and are in threaded connection with a screw hole in the end surface 11 of the gland casing, so that the upper fixing plate is closed on the end surface 10 of the cylinder and the end surface 11 of the gland casing and is positioned on the upper half part of the rotor shaft.
(3) And connecting bolts 301 in the connecting component 3 are threaded into the lower pressing plate screw holes 201 through the two through holes 105 formed in the upper fixing plate 1, and the connecting bolts 301 are screwed into the bottoms of the lower pressing plate screw holes 201. Thereby making upper fixed plate 1 and holding down plate 2 link into an organic whole, withdraw the hoist and mount state of holding down plate 2 this moment.
(4) The levelness of the upper plane of the upper fixing plate 1 is tested by using a level meter, after the levelness is confirmed to be in the horizontal state, bolts of the connecting piece I6 and the connecting piece II 7 are screwed down, so that the upper fixing plate 1 is firmly fixed to the cylinder end face 10 and the gland casing end face 11, and after the upper fixing plate 1 is fixed, the levelness is measured again to confirm that the upper fixing plate 1 is still in the horizontal state.
(5) And the rubber pad 502 is padded on the two inclined planes 501, so that the rubber pad 502 completely covers the inclined planes 501, the lifting nut 303 in the connecting assembly 3 is screwed at the same time, the two inclined planes 501 and the lower semi-circular arc surface of the rotor shaft are simultaneously contacted and tightly press the rubber pad 502, and a level instrument needs to be placed on the horizontal plane of the lower pressing plate 2 in the screwing process to monitor the levelness of the lower pressing plate 2 at any time. And continuously and simultaneously screwing a lifting nut 303 in the connecting assembly 3 to enable the rotor to be separated from the bearing bush and lifted by a certain height, at the moment, the rotor is in a suspended state, a certain gap is ensured between the rotor and the internal part of the cylinder, and the lifting height can be monitored and measured in real time by using a dial indicator which is fixed on the cylinder in an adsorption manner and the pointer hits the outer diameter profile of the rotor. After the rotor is lifted to a certain height, four fixing nuts 302 are screwed, two of which are in contact with the lower horizontal surface of the upper fixing plate 1 and two of which are in contact with the horizontal surface of the lower pressing plate 2, so that the connecting bolt 301 is firmly connected between the upper fixing plate 1 and the lower pressing plate 2.
(6) The upper fixing plate 1 and the lower pressing plate 2 are assembled through the connecting assembly 3 and lift the rotor to a certain height. Four taper pins 103 can be driven into the upper fixing plate 1, two of which are connected with the cylinder end face 10 and two of which are connected with the gland casing end face 11, so that the upper fixing plate 1 is firmly limited on the cylinder end face 10 and the gland casing end face 11 and keeps the positions unchanged.
(7) The set screw 401 in the rotary positioning component 4 is in threaded connection with the upper fixing plate 1, firmly props against the end face of the step of the rotor through the red copper gasket 403, and then the locking nut 403 is screwed up to tightly attach to the end face of the upper fixing plate 1 so as to lock the set screw 401 and limit the axial displacement of the rotor.
(8) And a third hexagon head bolt 901 which is rotatably sleeved with a third spring washer 903 is in threaded connection with the end face 11 of the gland casing through the waist-shaped hole 202 of the lower pressing plate and the waist-shaped hole on the red copper cushion block 902. The lower pressing plate 2 is firmly attached to the end face 11 of the gland casing, so that the lower pressing plate 2 cannot swing along the axial direction of the rotor in the transportation process, and the stability of the lower pressing plate is further ensured.
It should be noted that the present invention is not limited to the above-mentioned specific implementation process, and those skilled in the art can make modifications without substantial inventive changes on the basis of the present embodiment, and all that is within the scope of the claims of the present invention is protected by the patent laws.
Claims (10)
1. A rotor fixing device for the whole transportation of a steam turbine is composed of two fixing elements, each fixing element is assembled at one end of a rotor along the axial direction of the rotor, and the rotor fixing device is characterized in that: the fixing element comprises an upper fixing plate (1) and a lower pressing plate (2) which are clamped at the end part of the rotor in an up-and-down matching mode, and a connecting assembly (3) which is used for connecting the upper fixing plate (1) and the lower pressing plate (2) in a matching mode, a semicircular through hole groove (12) is formed in the center of the lower part of the upper fixing plate (1), a containing groove (5) is correspondingly formed in the center of the upper part of the lower pressing plate (2), the through hole groove (12) and the containing groove (5) can form an assembling hole for containing the end part of the rotor in an up-and-down matching mode after the upper fixing plate (1) and the lower pressing plate (2) are connected in a matching mode, a connecting piece I (6) and a connecting piece II (7) which are respectively used for fixing the connecting piece I and the connecting piece II on the end surface (10) of a steam turbine cylinder and the end surface (11) of a steam seal, and a pressing component (9) for fixing the lower pressing plate (2) on the end face (11) of the gland casing is arranged on the lower pressing plate.
2. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: on the upper fixed plate (1), at the position that corresponds to cylinder end face (10), evenly seted up a plurality of first through-holes (101) along circumference, connecting piece I (6) include first hexagon head bolt (601), first flat packing ring (602) and first spring packing ring (603), wherein, after first hexagon head bolt (601) passed first through-hole (101) of upper fixed plate (1), end screw thread connects in supporting the counter sink of presetting on cylinder end face (10) to compress tightly on upper fixed plate (1) surface through first flat packing ring (602) and first spring packing ring (603) that set up in proper order.
3. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: on the upper fixing plate (1), a plurality of second through holes (102) are uniformly formed in the position corresponding to the end face (11) of the steam seal body along the circumferential direction, the connecting piece II (7) comprises a second hexagon head bolt (701), a second flat gasket (702) and a second spring gasket (703), wherein after the second hexagon head bolt (701) penetrates through the second through hole (102) of the upper fixing plate (1), the tail end of the second hexagon head bolt is in threaded connection with a matched preset counter bore on the end face (11) of the steam seal body, and the second flat gasket (702) and the second spring gasket (703) which are sequentially arranged are pressed on the surface of the upper fixing plate (1).
4. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: the upper fixing plate (1) is also provided with a plurality of taper pins (103) for positioning the upper fixing plate on the end surface (10) of the cylinder and the end surface (11) of the gland casing.
5. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: a hoisting hole (104) for hoisting the upper fixing plate (1) is formed in the upper fixing plate; and hoisting lugs (8) for hoisting the lower pressing plate (2) are symmetrically arranged at the left end and the right end of the lower pressing plate.
6. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: on holding down plate (2), waist type hole (202) have been seted up in the position that corresponds gland casing terminal surface (11), hold-down subassembly (9) including third hexagon head bolt (901), red copper pad (902) and third spring washer (903), wherein, red copper pad (902) pad is established between gland casing terminal surface (11) and holding down plate (2), and waist type hole (202) have also been seted up on its surface, third hexagon head bolt (901) pass waist type hole (202) on holding down plate (2) and red copper pad (902) in proper order after, terminal threaded connection is in the supporting counter bore of predetermineeing on gland casing terminal surface (11) to compress tightly on holding down plate (2) surface through third spring washer (903).
7. The turbine complete machine transportation rotor fixing device according to claim 6, characterized in that: the number of the waist-shaped holes (202) on the lower pressing plate (2) is two, and the two holes are arranged in a bilateral symmetry manner.
8. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: coupling assembling (3) including two connecting bolt (301) that bilateral symmetry set up, vertically on upper fixed plate (1) offer two connecting hole (105) that match with connecting bolt (301), after every connecting bolt (301) passed its corresponding connecting hole (105), terminal threaded connection is in supporting predetermined holding down plate screw (201) on holding down plate (2), on every connecting bolt (301), still be provided with two fixation nut (302) that are used for screwing it on upper fixed plate (1) lower surface and holding down plate (2) upper surface respectively, and be used for screwing it two lifting nut (303) on upper fixed plate (1) upper surface.
9. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: on upper fixed plate (1), in the position that corresponds to rotor step terminal surface, evenly seted up a plurality of fourth through-holes (106) along circumference, locating component (4) including holding screw (401), red copper gasket (402) and lock nut (403), wherein, red copper gasket (402) pad is established between rotor step terminal surface and upper fixed plate (1), and circular shallow slot has been seted up to its upper surface, after holding screw (401) passed fourth through-hole (106) of upper fixed plate (1), terminal threaded connection is in the circular shallow slot of predetermineeing on red copper gasket (402) to lock at the upper fixed plate surface through lock nut (403).
10. The turbine complete machine transportation rotor fixing device according to claim 1, characterized in that: the upper surface bilateral symmetry of storage tank (5) is processed and is had two inclined planes (501), makes storage tank (5) whole constitution a V-arrangement structure that is used for bearing the weight of the rotor, inclined plane (501) have the chamfer structure all around, and concave type processing groove (503) are seted up to the bottom on two inclined planes (501), lay rubber pad (502) that are greater than its upper surface area on the upper surface on two inclined planes (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378339.XU CN211422720U (en) | 2019-08-23 | 2019-08-23 | Rotor fixing device for transporting whole steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378339.XU CN211422720U (en) | 2019-08-23 | 2019-08-23 | Rotor fixing device for transporting whole steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422720U true CN211422720U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110541735A (en) * | 2019-08-23 | 2019-12-06 | 中信重工机械股份有限公司 | Rotor fixing device for transporting whole steam turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541735A (en) * | 2019-08-23 | 2019-12-06 | 中信重工机械股份有限公司 | Rotor fixing device for transporting whole steam turbine |
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