CN217051347U - Generator replacing device - Google Patents
Generator replacing device Download PDFInfo
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- CN217051347U CN217051347U CN202220863095.XU CN202220863095U CN217051347U CN 217051347 U CN217051347 U CN 217051347U CN 202220863095 U CN202220863095 U CN 202220863095U CN 217051347 U CN217051347 U CN 217051347U
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Abstract
The utility model relates to a device is changed to generator, include: a horizontal adjustment device configured to adjust a horizontal position and a horizontal turning attitude of the generator; and a vertical adjustment device configured to adjust a vertical position and a vertical turning posture of the generator. The generator can be hoisted into and out of the engine room through the device to realize the replacement of the generator, the upper cover of the engine room does not need to be uncovered, the use of a landing leg hoisting ship is avoided, the replacement scheme is simple and convenient, the cost is greatly reduced, the maintenance period of the generator is shortened, and the efficiency is improved.
Description
Technical Field
The utility model relates to a wind power generation technical field particularly relates to a device is changed to generator.
Background
The generator in the marine wind turbine engine room is an essential part for wind power generation, the reliability of the generator has great influence on the safety of the unit, once the generator breaks down, the maintenance and the replacement are extremely difficult, and the failure and the shutdown time are usually long under the influence of ocean weather and hydrology. The conventional generator is replaced by adopting a complete machine disassembly and replacement scheme, namely, the whole engine room is disassembled and placed on a final assembly tool platform, after the damaged generator is replaced, the engine room is reassembled to the original position, the whole process can be completed by using a large hoisting ship, the required hoisting equipment is expensive, the replacement process is complex, the replacement waiting period is long, and the great generated energy loss is caused. The replacement method strongly depends on the landing leg hoisting ship, has high cost and is difficult to find a source.
SUMMERY OF THE UTILITY MODEL
From prior art, the utility model aims at providing a device is changed to generator, can realize the change of generator with generator hoist and mount business chamber through the device, need not to reveal the cabin upper shield, avoided landing leg hoist and mount ship's use to the change scheme is simple and convenient, and is with low costs, efficient.
According to the utility model discloses, aforementioned task is solved through a generator change device, include:
a horizontal adjustment device configured to adjust a horizontal position and a horizontal swivel attitude of the generator; and
a vertical adjustment device configured to adjust a vertical position and a vertical swing posture of the generator.
Further, the level adjustment device includes:
an upper cross beam configured to provide support for the generator changing device;
a middle slewing frame connected to the upper beam through a tackle and configured to adjust a horizontal slewing attitude of the generator; and
a lateral adjustment block connected to the upper beam and the mid-slewing frame and configured to control a trolley to move on the upper beam.
Further, the vertical adjustment device includes:
a lower cross beam connected with the middle turret and the upper cross beam by a winch rope and configured to be combined with the winch rope to adjust a vertical position of the generator;
a lower swing frame fixedly connected with the lower cross beam and configured to connect the generator and adjust a vertical swing posture of the generator; and
a winch configured to adjust a vertical position of the generator by reeling and unreeling a winch rope.
Furthermore, the upper cross beam comprises a first main beam and a second main beam which are oppositely arranged, and a first longitudinal beam and a second longitudinal beam which are respectively connected with the first main beam and the second main beam;
a first pulley is arranged on the second longitudinal beam; and
and a pin shaft is arranged on the first longitudinal beam.
Further, the first and second main beams each have:
a main beam upper plate;
a main beam lower plate opposite to the main beam upper plate;
the vertical girder plate is positioned between the upper girder plate and the lower girder plate and is I-shaped with the upper girder plate and the lower girder plate; and
a trolley baffle connected with the main beam upper plate, the main beam lower plate and the main beam vertical plate and configured to limit a movement range of a trolley.
Further, the upper beam is placed on a nacelle rack; and
the tackle is mounted on a first main beam and a second main beam of the upper cross beam.
Further, the middle turret includes:
the fixing frame comprises a fixing table with a fixing surface and fixing plates positioned on two sides of the fixing table, wherein two ends of each fixing plate are provided with pulley connecting points;
a second pulley provided on the fixing surface;
the gourd hanging point is arranged on the fixed surface;
a turret having opposing first and second sides and opposing third and fourth sides;
a fourth pulley provided at a left end of the first side surface of the turret;
the winch rope tail end fixing point is arranged at the left end of the first side face of the rotary frame and is positioned on the left side of the fourth pulley;
a fifth pulley provided at a left end of a third side surface of the turret;
an eighth pulley provided at a right end of the third side of the turret;
a ninth pulley provided at a right end of the first side surface of the turret;
a tenth pulley provided at a right end of the fourth side surface of the turret and facing the eighth pulley;
the first rotary support comprises a first inner ring structure and a first outer ring structure which can slide mutually, the first inner ring structure is fixedly connected with the side surface of the rotary frame through a first connecting plate, and the first outer ring structure is connected with a fixed table bolt of the fixed frame; and
and the third pulley is arranged on the first connecting plate and is positioned above the first side surface of the revolving frame.
Furthermore, the transverse adjusting hoist is connected with the hoist hanging point and the pin shaft.
Further, the lower cross member includes:
a beam structure having first and second opposing beam sides, third and fourth opposing beam sides, and two opposing beam ends;
a center of gravity adjusting device provided at one of the beam ends of the beam structure;
a sixth pulley provided on the first beam side;
a seventh pulley provided on the first beam side;
an eleventh sheave provided on the second beam side;
a twelfth pulley provided at the second beam side; and
and the first screw rod hinge points are arranged on two sides of the end parts of the two cross beams.
Further, the lower swing frame includes:
the tripod structure is triangular, and a rotary support mounting table is arranged on the bevel edge of the tripod structure;
the second rotary support is arranged on the rotary support mounting table and comprises a second inner ring structure and a second outer ring structure which can slide mutually, and the second outer ring structure is fixedly connected with the rotary support mounting table;
a turning support adjusting rod connected with the second turning support and configured to adjust a turning angle of the second turning support;
the second connecting plate is connected with the second inner ring structure and is provided with a second screw rod hinge point; and
a generator connecting shaft disposed on the tripod structure and configured to connect a generator.
Furthermore, the first screw rod hinge point and the second screw rod hinge point are connected through a screw rod, so that the lower cross beam is fixedly connected with the lower rotary frame.
Further, the winch rope is sequentially wound around the first pulley, the second pulley, the third pulley, the fourth pulley, the fifth pulley, the sixth pulley, the seventh pulley, the eighth pulley, the ninth pulley, the tenth pulley, the eleventh pulley and the twelfth pulley, and the tail end of the winch rope is fixed to a tail end fixing point of the winch rope.
Further, an operator pulls the transverse adjusting hoist to control the pulley to move on the first main beam and the second main beam of the upper cross beam, so that the generator moves along the length direction of the first main beam and the second main beam;
an operator pushes the generator to enable the first rotary support to rotate to drive the generator to horizontally rotate; and
and an operator controls the second rotary support to rotate by utilizing the rotary support adjusting rod so as to vertically rotate the generator.
The utility model discloses have following beneficial effect at least: (1) the generator replacing device has the advantages that the generator can be hoisted into and out of the engine room through the generator replacing device, the upper cover of the engine room does not need to be uncovered, the use of a supporting leg hoisting ship is avoided, the replacing scheme is simple and convenient, the cost is greatly reduced, the maintenance period of the generator is shortened, and the efficiency is improved; (2) the generator replacing device adopts a modular assembly design, the weight of a single part is light, the total weight of the device is not more than 2.5 tons, and a small travelling crane in a cabin can be adopted for hoisting and transferring; (3) this device is changed to generator's structural mechanism is compact, can utilize narrow and small space in the cabin to the at utmost: (4) the winch is small and exquisite and convenient to arrange, and the 4-multiplying-power pulley block mechanism realizes the lifting of the lifting capacity of the winch; (5) a winding system consisting of winch ropes can realize resistance-free rotation in the horizontal direction; (6) the generator replacing device has the advantages that the requirement on the ship is reduced to the minimum, only certain requirements on the deck area and the ship bearing capacity are required, and no additional crane is needed on the ship.
Drawings
The invention will be further elucidated with reference to specific embodiments in conjunction with the drawing.
Fig. 1 shows a side view, a front view and a top view of a generator changing apparatus according to an embodiment of the invention;
fig. 2 shows a front view and a top view of an upper cross beam according to an embodiment of the invention;
fig. 3 shows a front view and a top view of a middle turret, according to an embodiment of the invention;
fig. 4 shows a front view and a top view of a lower cross beam according to an embodiment of the invention;
figure 5 illustrates a front view and a side view of a lower turret, according to an embodiment of the invention;
fig. 6 shows a schematic working diagram of a generator replacement tool according to an embodiment of the present invention; and
figure 7 shows a schematic diagram of the winch rope connecting the upper beam, the middle turret, and the lower beam according to one embodiment of the present invention.
Detailed Description
It should be noted that the components in the figures may be exaggerated and not necessarily to scale for illustrative purposes. In the figures, identical or functionally identical components are provided with the same reference symbols.
In the present invention, unless otherwise specified, "disposed on …", "disposed over …" and "disposed over …" do not exclude the presence of an intermediate therebetween.
In the present invention, the embodiments are only intended to illustrate the aspects of the present invention, and should not be construed as limiting.
In the present application, the terms "a" and "an" do not exclude the presence of a plurality of elements, unless otherwise indicated.
It is also noted herein that in embodiments of the present invention, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that under the teachings of the present invention, the required components or assemblies may be added as needed for a particular situation.
It is also to be noted that, within the scope of the present invention, the expressions "identical", "equal", etc., do not mean that the two values are absolutely equal, but allow a certain reasonable error, that is, the expressions also cover "substantially identical", "substantially equal".
In the present invention, the term "horizontal swivel attitude" refers to a rotation angle in a horizontal plane, and the term "vertical swivel attitude" refers to a rotation angle in a vertical plane.
The invention will be further elucidated below on the basis of specific embodiments.
Fig. 1 shows a side view, a front view and a top view of a generator changing apparatus according to an embodiment of the present invention.
A generator replacing device includes a horizontal adjusting device configured to adjust a horizontal position and a horizontal swing posture of a generator; and a vertical adjustment device configured to adjust a vertical position and a vertical turning posture of the generator. As shown in fig. 1, the leveling device includes an upper beam 100, a middle turret 200, and a lateral adjustment block 700. The vertical adjustment means comprises a lower cross beam 300, a lower turret 400 and a winch (not shown). The upper beam 100 is connected to the middle turret 200 by a trolley 500. The trolley 500 is a monorail trolley and can move on an I-shaped track. A lateral adjustment block 700 connects the upper beam 100 and the mid-turret 200 and is configured to control the trolley to move on the upper beam 100. When the operator pulls the horizontal adjustment block 700, the middle revolving frame 200 is stressed, and the pulley 500 is driven to move along the upper beam 100. The lower cross member 300 is connected to the lower turret 400 by a screw 600. The two lower turrets 400 may be fixedly connected to the generator 800. The vertical position of the generator 800 can be adjusted by movably connecting the lower cross member 300 to the middle turret 200 and the upper cross member 100 by winch ropes (not shown). A winch (not shown) is configured to adjust the vertical position of the generator by reeling in and out the winch rope. Specifically, the winch can raise or lower the entire generator connected to the lower cross member 300, the lower turret 400, and the lower turret 400 by winding and unwinding the winch rope.
Fig. 2 shows a front view and a top view of an upper cross beam according to an embodiment of the invention.
As shown in fig. 2, the upper cross beam 100 is configured to provide support for a generator replacement device, and includes a first main beam 101 and a second main beam 102 disposed opposite to each other, and a first longitudinal beam 103 and a second longitudinal beam 104 connected to the first main beam 101 and the second main beam 102, respectively. The first and second main beams 101, 102 are parallel to each other, and the first and second longitudinal beams 103, 104 are parallel to each other. A first pulley 105 is provided on the second longitudinal beam 104. The first longitudinal beam 103 is provided with a pin (not shown) to which the laterally adjustable hoist 700 can be connected.
The first and second girders 101, 102 each have an upper girder plate 106, a lower girder plate 107 opposite the upper girder plate 106, and a girder riser 108 between the upper and lower girder plates 106, 107. The upper girder plate 106, the lower girder plate 107, and the vertical girder plates 108 are integrally formed in an i-shape. The main body of the upper main beam plate 106 is a horizontal flat plate, and both ends of the upper main beam plate 106 are inclined surfaces inclined toward the lower main beam plate 107. In other embodiments of the present invention, the main beam upper plate 106 may be a substantially horizontal plate. First main beam 101 and second main beam 102 each have a trolley apron 109, and trolley apron 109 is connected to main beam upper plate 106, main beam lower plate 107, and main beam risers 108. The trolley baffles 109 form a rectangular frame with the main beam upper plate 106 and the main beam lower plate 107. After the trolley 500 is installed on the first main beam 101 and the second main beam 102, the trolley 500 can move along the longitudinal direction of the main beam lower plate 107 by using the main beam lower plate 107 as a rail. The sled guard 109 may limit the range of movement of the sled 500.
Fig. 3 shows a front view and a top view of a middle turret, according to an embodiment of the invention.
As shown in fig. 3, the middle turret 200 is configured to adjust a horizontal slewing attitude of the generator, and includes a fixed frame 201, a turret 202, a first slewing support 203, a first connection plate 204, a winch rope end fixing point 205, a second pulley 206, a third pulley (not shown), a fourth pulley 207, a fifth pulley 208, an eighth pulley 209, a ninth pulley 210, and a tenth pulley 211.
The fixing frame 201 includes a fixing base 2011 and a rectangular fixing plate 2012. Two (2) opposing retainer plates 2012 are located on either side of a retainer 2011. The fixed table 2011 and the fixed plate 2012 are integrally formed. The 2 fixation plates 2012 each have circular tackle attachment points (not shown) at both ends, the number of tackle attachment points being the same as the number of trolleys 500. The fixing table 2011 has a square fixing surface 20111, and the fixing surface 20111 has a plurality of bolt holes 20112. Here, the plurality of bolt holes 20112 form one circle.
The second pulley 206 and the hoist link point 2013 are provided on a fixed surface 20111 of the fixed stand 2011.
The turret 202 is a square tube having opposing first 2021 and second sides, opposing third 2022 and fourth sides 2023, and two opposing end faces.
And a fourth pulley 207 provided at the left end of the first side 2021 of the turret 202. And a winch rope end fixing point 205 arranged at the left end of the first side 2021 of the turret 202 and located at the left side of the fourth pulley 207. And a fifth pulley 208 provided at a left end of the third side 2022 of the turret 202. And an eighth pulley 209 provided at the right end of the third side 2022 of the turret 202. And a ninth pulley 210 provided at the right end of the first side 2021 of the turret 202. And a tenth pulley 211 provided at the right end of the fourth side 2023 of the revolving frame 202 so as to face the eighth pulley 209.
A first slewing support 203 comprising a first inner ring structure and a first outer ring structure that are mutually slidable. The first inner ring structure and the first outer ring structure are both circular rings, and the first outer ring structure is sleeved outside the first inner ring structure. Here, the first swing support 203 may be a bearing. The first inner ring structure is fixedly connected with the side surface of the revolving frame 202 through the first connecting plate 204, and the first outer ring structure is connected with the fixing table 2021 of the fixing frame 201 by bolts. Preferably, the number of the first connecting plates 204 is two, two first connecting plates 204 are fixedly connected to the third side 2022 and the fourth side 2023 of the revolving frame 201, respectively, and two first connecting plates 204 are fixedly connected to the first inner ring structure of the first revolving support 203.
A third pulley disposed at the pulley connection point 2041 on the first connection plate 204 and above the first side 2021 of the turret 202.
Fig. 4 shows a front view and a top view of a lower cross beam according to an embodiment of the invention.
As shown in fig. 4, the lower beam 300 is configured to be combined with a winch rope to adjust the vertical position of the generator, and includes a beam structure 301, a center-of-gravity adjusting device 302, a first screw hinge point 303, a sixth pulley 304, a seventh pulley 305, an eleventh pulley 306, and a twelfth pulley 307.
Both sides of both ends of the beam structure 301 are provided with first screw hinge points 303.
A center of gravity adjusting device 302 provided at one end of the cross beam structure 301. And a center of gravity adjusting device 302 provided at one end of the cross beam structure 301. The center of gravity of the generator is not located at the center of the generator, and the generator may be tilted when being lifted, and the center of gravity adjusting device 302 may keep the generator horizontal when being lifted.
An eleventh pulley 306 and a twelfth pulley 307 are provided on the second beam side 3012, and the eleventh pulley 306 is opposed to the sixth pulley 304 and the twelfth pulley 307 is opposed to the seventh pulley 305.
The two ends of the beam structure 301 are provided with first screw hinge points 303 on both sides, wherein two first screw hinge points 303 are on the same side of the beam structure 301 as the sixth pulley 304 and the seventh pulley 305, and the other two first screw hinge points 303 are on the same side of the beam structure 301 as the eleventh pulley 306 and the twelfth pulley 307.
Fig. 5 shows a front view and a side view of a lower turret, according to an embodiment of the invention.
As shown in fig. 5, the lower swing frame 400 is configured to connect and adjust a vertical swing posture of the generator, and includes a tripod structure 401, a second swing support 402, a swing support adjustment rod 403, a second connection plate 404, a generator connection shaft 405, and a second screw hinge point 406.
The tripod structure 401 is triangular in shape with a swivel support mounting 4011 on the hypotenuse of the tripod structure 401. Preferably, swivel support mount 4011 is located in the middle of the hypotenuse. Here, the slewing bearing mounting table 4011 may have a circular shape, or may have another shape such as a rectangular shape or a triangular shape. The tripod structure 401 also has a support plate 4012, the two ends of the support plate 4012 being fixedly connected to the swivel support mounting 4011 and to the angle opposite the hypotenuse of the tripod structure 401, respectively, for stabilizing the tripod structure 401.
A second slewing support 402 is provided on slewing support mounting block 4011 of tripod structure 401. The second swivel support 402 includes a second inner race structure and a second outer race structure that are slidable with respect to each other. The second outer ring structure of the second slewing bearing 402 is fixedly connected with the slewing bearing mounting table 4011. The second inner ring structure and the second outer ring structure are both circular rings, and the second outer ring structure is sleeved outside the second inner ring structure. Here, the second swivel support 402 may be a bearing.
The turning support adjusting rod 403 is connected to the second turning support 402 for adjusting the turning angle of the second turning support 402.
And a second connecting plate 404 bolted to the second inner race structure of second slewing bearing 402. Second link plate 404 is triangular, and one corner of second link plate 404 has a circle having the same diameter as the inner diameter of the second inner race structure of second swivel support 402, and has a plurality of bolt holes around the circle. The other two corners of the connecting plate 404 each have a second screw hinge point 406. The lower cross member 300 and the lower swing frame 400 are fixedly connected by connecting the first screw hinge point 303 and the second screw hinge point 406 through the screw 600.
The bottom of the cabin is provided with a rectangular cabin hanging hole. Referring to fig. 1, the generator 800 is a rectangular parallelepiped structure, and the length L of the generator 800 is smaller than the length of the nacelle hanging hole and larger than the width of the nacelle hanging hole. Two end faces of the generator are faces connected with the lower rotating frame 400, and the end face of the generator 800 is rectangular. The length M of the end face of the generator 800 is greater than the width of the nacelle hoist aperture, and the width N of the end face of the generator 800 is less than the width of the nacelle hoist aperture. After the generator 800 is hoisted, the generator 800 is moved to the position above the nacelle hanging hole, at this time, the length direction of the generator 800 is perpendicular to the length direction of the nacelle hanging hole, and the length direction of the end face of the generator 800 is opposite to the width direction of the nacelle hanging hole. Therefore, the generator needs to be horizontally rotated by 90 degrees, so that the length direction of the generator 800 is opposite to the length direction of the nacelle hanging object hole, and then the generator 800 needs to be vertically rotated by 90 degrees, so that the width direction of the end face of the generator 800 is opposite to the width direction of the nacelle hanging object hole, and the generator 800 can smoothly pass through the nacelle hanging object hole.
Fig. 6 shows a schematic working diagram of a generator replacement tool according to an embodiment of the present invention; figure 7 shows a schematic diagram of the winch rope connecting the upper beam, the middle turret, and the lower beam according to one embodiment of the present invention.
The utility model discloses an in the embodiment, utilize the generator to change the process of device change generator includes following step:
the generator replacing device and the new generator are transported to the machine position by the transportation ship.
And opening an engine room object hanging hole 30 below the engine room, and hanging the generator replacing device into the engine room by using an electric hoist of the engine room with a travelling crane.
And hoisting the winch to the tubular pile platform and fastening by using an electric hoist of the engine room crane.
A generator replacing device is assembled in the engine room. As shown in fig. 6, the upper beam 100 is placed on the nacelle rack 10, and then the mid-turret 200 is connected to the upper beam 100. The lower swing frame 400 is connected to the generator, and then the lower cross member 300 is connected to the lower swing frame 400. The lower cross beam 300 is movably connected with the upper cross beam 100 and the middle turret 200 by a winch rope 900. Specifically, the upper cross beam 100 is first placed on the frame 10 of the nacelle , and then 2 sets of the trolley 500 are mounted on each of the first main beam 101 and the second main beam 102 of the upper cross beam 100. In other embodiments of the present invention, a greater or lesser number of trolleys may be installed. The pulley 500 is fixedly connected with the pulley connection point of the middle revolving frame 200 through a bolt, so that the upper cross beam 100 is connected with the middle revolving frame 200. The lower turret 400 is fixedly connected to the old first generator by means of a generator connection shaft 405. The lower swing frame 400 is fixedly connected to the lower cross member 300 by a screw 600.
And (3) unwinding the rope by using a winch, lifting the winch rope 900 to the interior of the cabin by using an electric hoist of the cabin, and then winding a pulley by using the winch rope 900 to movably connect the lower cross beam 300 with the upper cross beam 100 and the middle revolving frame 200 to form a hoisting mechanism. Referring to fig. 7, the winch rope 900 is wound around the first pulley 105, the second pulley 206, the third pulley 212, the fourth pulley 207, the fifth pulley 208, the sixth pulley 304, the seventh pulley 305, the eighth pulley 209, the ninth pulley 210, the tenth pulley 211, the eleventh pulley 306, and the twelfth pulley 307 in this order, and then the end of the winch rope 900 is fixed to the winch rope end fixing point 205.
And removing the elastic support of the first generator and the junction box.
The winch 20 is controlled to take up the rope to hoist the generator.
The operator pulls the horizontal adjustment block 700 to move the trolley 500 on the first main beam 101 and the second main beam 102 of the upper cross beam 100, and moves the first generator above the nacelle hanging hole 30.
An operator pushes the first generator to rotate the first rotary support 203, horizontally rotates the first generator by 90 degrees to align the first generator with the object hanging hole 30 of the cabin, and then controls the second rotary support 402 to rotate by 90 degrees by using the rotary support adjusting rod 403 to vertically rotate the first generator by 90 degrees, so that the first generator can pass through the object hanging hole 30 of the cabin.
And controlling the winch 20 to unwind the rope, so that the first generator descends to pass through the cabin lifting hole 30 and stops when the first generator is lowered to a certain distance away from the deck of the ship. Here, the first generator may be lowered to a distance of 1 meter from the deck of the vessel.
The operator rotates the first generator vertically in the reverse direction by 90 degrees to adjust the first generator to 0 degree, and then the first generator is completely dropped to the deck.
The first generator is removed from the lower turret 400 and a new second generator is fixedly connected to the lower turret 400.
The winch 20 is controlled to be reeled to lift the second generator, the lifting of the second generator is stopped when the bottom of the second generator is a certain height away from the deck, and an operator controls the second rotary support 402 to rotate by 90 degrees by using the rotary support adjusting rod 403 to vertically rotate the second generator. Here, the second generator can be hoisted to a height of 1 meter from the deck of the vessel and then stopped.
And controlling the winch 20 to continue to lift until the second generator stops after entering the interior of the nacelle through the nacelle lifting hole 30.
The operator adjusts the second generator to rotate 90 degrees in the reverse vertical direction to 0 degree, then pushes the second generator to rotate 90 degrees horizontally, and adjusts the direction of the second generator to be parallel to the installation position.
The operator pulls the lateral adjustment block 700 to move the trolley 500 along the upper beam 100 and the second generator above the installation position.
And controlling the winch to pay off the rope, and finally enabling the second generator to fall to the installation position.
Restoring generator accessories and functions;
the generator changing device is removed and placed on the deck of the traffic vessel using the cabin crane hoist, and then the winch 20 is removed and placed on the deck of the traffic vessel. Specifically, the winch rope 900 is removed, separating the lower beam 300 from the middle turret 200 and the upper beam 100. Removal screw 600 separates lower swivel frame 400 from lower cross member 300. The trolley 500 is removed, the mid-turret 200, trolley 500 and upper beam 100 are separated, and the upper beam 100 is removed from the frame 10 from the nacelle . Winch 20 is controlled to retract winch line 900 and winch 20 is then removed.
The utility model discloses at least, have following beneficial effect: (1) the generator replacing device has the advantages that the generator can be hoisted into and out of the engine room through the device to realize the replacement of the generator, the upper cover of the engine room does not need to be uncovered, the use of a landing leg hoisting ship is avoided, the replacement scheme is simple and convenient, the cost is greatly reduced, the maintenance period of the generator is shortened, and the efficiency is improved; (2) the generator replacing device adopts a modular assembly design, the weight of a single part is light, the total weight of the device is not more than 2.5 tons, and a small travelling crane in a cabin can be adopted for hoisting and transferring; (3) this device is changed to generator's structural mechanism is compact, can utilize narrow and small space in the cabin to the at utmost: (4) the winch is small and exquisite and convenient to arrange, and the 4-multiplying-power pulley block mechanism realizes the lifting of the lifting capacity of the winch; (5) a winding system consisting of winch ropes can realize resistance-free rotation in the horizontal direction; (6) the generator replacing device has the advantages that the requirement on the ship is reduced to the minimum, only certain requirements on the deck area and the ship bearing capacity are required, and no additional crane is needed on the ship.
Although some embodiments of the present invention have been described in the present document, it will be obvious to those skilled in the art that such embodiments are shown by way of example only. Numerous variations, substitutions and modifications will occur to those skilled in the art without departing from the scope of the invention. It is intended that the following claims define the scope of the invention and that methods and structures within the scope of these claims and their equivalents be covered thereby.
Claims (13)
1. A generator changing apparatus, comprising:
a horizontal adjustment device configured to adjust a horizontal position and a horizontal turning attitude of the generator; and
a vertical adjustment device configured to adjust a vertical position and a vertical turning posture of the generator.
2. The generator changing apparatus according to claim 1, wherein the level adjustment apparatus comprises:
an upper cross beam configured to provide support for the generator changing device;
a middle revolving frame connected to the upper beam through a trolley and configured to adjust a horizontal revolving posture of the generator; and
a lateral adjustment block connected to the upper beam and the mid-turret and configured to control movement of a trolley on the upper beam.
3. The generator changing device according to claim 2, wherein the vertical adjustment device comprises:
a lower cross beam connected with the middle turret and the upper cross beam by a winch rope and configured to be combined with the winch rope to adjust a vertical position of the generator;
a lower swing frame fixedly connected with the lower cross beam and configured to connect the generator and adjust a vertical swing posture of the generator; and
a winch configured to adjust a vertical position of the generator by reeling and unreeling a winch rope.
4. The generator changing device according to claim 3, wherein the upper cross member comprises a first main beam and a second main beam which are arranged oppositely, and a first longitudinal beam and a second longitudinal beam which are respectively connected with the first main beam and the second main beam;
a first pulley is arranged on the second longitudinal beam; and
and a pin shaft is arranged on the first longitudinal beam.
5. The generator changing apparatus of claim 4, wherein the first and second main beams each have:
a main beam upper plate;
a main beam lower plate opposite to the main beam upper plate;
the vertical girder plate is positioned between the upper girder plate and the lower girder plate and is I-shaped with the upper girder plate and the lower girder plate; and
a trolley baffle connected with the main beam upper plate, the main beam lower plate, and the main beam vertical plate and configured to limit a range of movement of a trolley.
6. The generator changing apparatus of claim 5, wherein the upper beam rests on a nacelle rack; and
the tackle is mounted on a first main beam and a second main beam of the upper cross beam.
7. The generator changing apparatus according to claim 6, wherein the middle turret comprises:
the fixing frame comprises a fixing table with a fixing surface and fixing plates positioned on two sides of the fixing table, wherein two ends of each fixing plate are provided with pulley connecting points;
a second pulley provided on the fixing surface;
the gourd hanging point is arranged on the fixed surface;
a turret having opposing first and second sides and opposing third and fourth sides;
a fourth pulley provided at a left end of the first side surface of the turret;
the winch rope tail end fixing point is arranged at the left end of the first side face of the rotary frame and is positioned on the left side of the fourth pulley;
a fifth pulley provided at a left end of a third side surface of the turret;
an eighth pulley provided at a right end of the third side surface of the turret;
a ninth pulley provided at a right end of the first side surface of the turret;
a tenth pulley provided at a right end of a fourth side surface of the revolving frame, and facing the eighth pulley;
the first rotary support comprises a first inner ring structure and a first outer ring structure which can slide mutually, the first inner ring structure is fixedly connected with the side surface of the rotary frame through a first connecting plate, and the first outer ring structure is connected with a fixed table bolt of the fixed frame; and
and the third pulley is arranged on the first connecting plate and is positioned above the first side surface of the revolving frame.
8. Generator changing arrangement according to claim 7, wherein the lateral adjustment block is connected to the block hanging points and to the pin.
9. The generator changing apparatus according to claim 7, wherein the lower cross member comprises:
a beam structure having first and second opposing beam sides, third and fourth opposing beam sides, and two opposing beam ends;
a center of gravity adjusting device provided at one of the beam ends of the beam structure;
a sixth pulley provided on the first beam side;
a seventh pulley provided on the first beam side;
an eleventh sheave provided on the second beam side;
a twelfth pulley provided at the second beam side; and
and the first screw rod hinge points are arranged on two sides of the end parts of the two cross beams.
10. The generator changing apparatus according to claim 9, wherein the lower turret includes:
the tripod structure is triangular, and a rotary support mounting table is arranged on the bevel edge of the tripod structure;
the second rotary support is arranged on the rotary support mounting table and comprises a second inner ring structure and a second outer ring structure which can slide mutually, and the second outer ring structure is fixedly connected with the rotary support mounting table;
a slewing support adjusting rod connected with the second slewing support and configured to adjust a slewing angle of the second slewing support;
the second connecting plate is connected with the second inner ring structure and is provided with a second screw rod hinge point; and
a generator connection shaft disposed on the tripod structure and configured to connect a generator.
11. The generator changing device according to claim 10, wherein the lower cross member is fixedly connected to the lower swing frame by connecting the first screw hinge point and the second screw hinge point with screws.
12. The generator replacing device according to claim 10, wherein the winch rope is wound around the first pulley, the second pulley, the third pulley, the fourth pulley, the fifth pulley, the sixth pulley, the seventh pulley, the eighth pulley, the ninth pulley, the tenth pulley, the eleventh pulley, and the twelfth pulley in this order, and an end of the winch rope is fixed to an end fixing point of the winch rope.
13. The generator changing device according to claim 10, wherein an operator pulls the transverse adjustment block to control the trolley to move on the first main beam and the second main beam of the upper cross beam, so that the generator moves along the length direction of the first main beam and the second main beam;
an operator pushes the generator to enable the first rotary support to rotate to drive the generator to horizontally rotate; and
and an operator controls the second rotary support to rotate by utilizing the rotary support adjusting rod so as to vertically rotate the generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220863095.XU CN217051347U (en) | 2022-04-15 | 2022-04-15 | Generator replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220863095.XU CN217051347U (en) | 2022-04-15 | 2022-04-15 | Generator replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217051347U true CN217051347U (en) | 2022-07-26 |
Family
ID=82471071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220863095.XU Active CN217051347U (en) | 2022-04-15 | 2022-04-15 | Generator replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217051347U (en) |
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2022
- 2022-04-15 CN CN202220863095.XU patent/CN217051347U/en active Active
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