CN219860097U - Water guide bearing tile drawing device of large-sized hydroelectric generating set - Google Patents
Water guide bearing tile drawing device of large-sized hydroelectric generating set Download PDFInfo
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- CN219860097U CN219860097U CN202321100664.6U CN202321100664U CN219860097U CN 219860097 U CN219860097 U CN 219860097U CN 202321100664 U CN202321100664 U CN 202321100664U CN 219860097 U CN219860097 U CN 219860097U
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- water guide
- tile
- drawing device
- guide bearing
- bearing bush
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 21
- 238000000605 extraction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model discloses a water guide bearing tile drawing device of a large-sized hydroelectric generating set, which comprises a lifting hook of a crane, wherein the lifting hook is positioned above a tile frame, a tile drawing support is arranged on the tile frame, slide rails are obliquely arranged on two sides of the tile drawing support, roller mechanisms are arranged on the top side and two sides of the water guide tile, and rollers of the roller mechanisms are in sliding fit with the slide rails; the utility model can simply, rapidly and safely disassemble and assemble the water guide shoe without disassembling the oil slinger, thereby improving the maintenance efficiency and ensuring the maintenance quality.
Description
Technical Field
The utility model relates to the technical field of water guide bearing bushing of a large-sized water turbine generator set, in particular to a water guide bearing bushing device of a large-sized water turbine generator set.
Background
The large-scale hydroelectric set water guide bearing has two forms of no collar and have the collar, wherein no collar structure is provided with upper and lower oil slinger, and dismouting water guide tile has following problem under the condition of not dismantling upper oil slinger:
1. the water guide shoe, the upper oil slinger 10 and the shoe rack are relatively close, and the water guide shoe cannot be assembled and disassembled in the vertical direction of the water guide shoe;
2. the water guide shoe is easy to damage the water turbine shaft 11 and the shoe surface in the process of dismounting;
3. at present, after a lifting appliance is installed through a lifting hole reserved in the water guide shoe, the water guide shoe is manually matched with the lifting appliance, so that the water guide shoe is prevented from touching an oil slinger or a shoe rack in the lifting process, the process needs to be manually participated in, the dispatching process is more, and the labor intensity is high;
4. the other part is that the oil slinger is directly detached firstly, then the oil slinger is vertically detached through a lifting appliance, and the process of detaching the oil slinger is added, so that the tile pulling process becomes more complicated.
Disclosure of Invention
The utility model aims to overcome the defects and provide a water guide bearing tile drawing device of a large-sized hydroelectric generating set, which aims to solve the problems in the background technology.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the utility model provides a large-scale hydroelectric set water guide bearing draws tile device, includes the lifting hook of crane, the lifting hook is located tile frame top, be equipped with on the tile frame and take out the tile support, take out tile support both sides slant and be equipped with the slide rail, water guide tile top side and both sides all are equipped with roller mechanism, roller and slide rail sliding fit of roller mechanism.
Preferably, the roller mechanisms are arranged at the positions of the lifting holes on the top side and the two sides of the water guide tile.
Preferably, the roller mechanism comprises a wheel frame and rollers hinged in the wheel frame, and the wheel frame is inserted into the lifting holes on the top side and the two sides of the water guide tile through pin shafts.
Preferably, the lifting hole is of a reserved internal threaded hole structure.
Preferably, the roller mechanism comprises a connecting shaft, the connecting shaft is rotationally connected with the center inside the roller through a bearing, the connecting shaft positioned at the top side of the water guide shoe is connected with the lifting hole through a screw rod, and external threads are formed on the surfaces of the connecting shafts positioned at the two sides of the water guide shoe and are connected with the lifting hole.
Preferably, the connecting shaft on the top side of the water guide shoe is further provided with a hanging ring, and the hanging ring is matched with a hanging hook of the crane through a rope.
Preferably, the crane is an annular guide rail crane structure, an annular guide rail is arranged on the top surface of the tile frame, and the annular guide rail is in sliding fit with a sliding groove at the bottom of the tile drawing bracket.
Preferably, the side part of the sliding rail is also fixedly provided with a limiting shaft, and the limiting shaft is matched with a limiting hole formed in the side part of the tile drawing bracket.
Preferably, the sliding rail is of a broken-line channel steel structure.
Preferably, two groups of support rods are arranged at the bottom of the tile drawing support and are respectively arranged in the outer side area of the oil groove wall and the area between the inner side of the oil groove wall and the outer side of the overflow plate.
The utility model has the beneficial effects that:
1. the roller wheels are limited in the running direction in the sliding rail, so that the water guide shoe moves obliquely in a specified route, the water guide shoe is protected from collision damage, and surrounding equipment is protected from collision damage.
2. The utility model needs to be manually participated in, has less dispatching process, has low labor intensity, can obliquely hang out the water guide shoe through the cooperation among the sliding rail, the roller and the lifting hook, can not touch the oil slinger or the shoe rack in the process, and shortens the original construction period by 1/2.
3. The utility model directly utilizes the original hoisting holes of the water guide tiles, directly installs the roller mechanism, does not need to drill holes on the water guide tiles additionally, does not damage the structure of the water guide tiles, and has simple and rapid installation process.
4. The utility model can simply, rapidly and safely disassemble and assemble the water guide shoe without disassembling the oil slinger, thereby improving the maintenance efficiency and ensuring the maintenance quality.
Drawings
FIG. 1 is a schematic diagram of a mounting structure of a water guide bearing bush-drawing device of a large-scale hydroelectric generating set;
FIG. 2 is a schematic view of the construction of the water guide shoe after removal of the shoe adjustment mechanism;
FIG. 3 is a schematic view of the structure of the bushing bracket and the sliding rail;
fig. 4 is a schematic view of the structure of one of the roller mechanisms after being mounted to the water guide shoe.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 4, a water guide bearing tile drawing device of a large-sized water turbine generator set comprises a lifting hook 1 of a crane, wherein the lifting hook 1 is positioned above a tile frame 2, a tile drawing support 3 is arranged on the tile frame 2, slide rails 4 are obliquely arranged on two sides of the tile drawing support 3, roller mechanisms 6 are arranged on the top side and two sides of a water guide tile 5, and rollers 6.1 of the roller mechanisms 6 are in sliding fit with the slide rails 4. In this embodiment, the bottom of the tile rack 2 is fixed on the surface of the top cover 14, and the tile-drawing bracket 3 is directly placed on the top of the tile rack 2, and then the water guide tile 5 can be obliquely lifted out through the cooperation among the sliding rail 4, the roller 6.1 and the lifting hook 1, so that the process can not touch the oil slinger or the tile rack.
Preferably, the roller mechanism 6 is arranged at the position of the lifting holes 5.1 on the top side and the two sides of the water guide shoe 5.
The roller mechanism 6 is mounted in a plurality of ways, and two examples will be described below:
example 1: the roller mechanism 6 comprises a wheel frame and rollers 6.1 hinged in the wheel frame, and the wheel frame is inserted into the positions of the lifting holes 5.1 on the top side and the two sides of the water guide shoe 5 through pin shafts. The implementation is flexible, and the roller mechanism 6 can be directly installed in the lifting hole 5.1, and the roller mechanism 6 is similar to a traveling wheel mechanism or a universal wheel mechanism which are common in life.
Preferably, the lifting hole 5.1 is a reserved internal threaded hole structure. The lifting hole 5.1 in the prior art is reserved in the water guide shoe 5, is an internal threaded hole, is convenient for the installation process with the lifting tool, and the lifting hole 5.1 is directly utilized for directly installing the roller mechanism 6, so that the water guide shoe 5 is not required to be additionally drilled, and the structure of the water guide shoe 5 is not damaged.
Example 2: as shown in fig. 4, the roller mechanism 6 includes a connecting shaft 6.2, the connecting shaft 6.2 is rotatably connected with the center inside the roller 6.1 through a bearing, the connecting shaft 6.2 located at the top side of the water guiding tile 5 is connected with the lifting hole 5.1 through a screw rod 6.3, and external threads are provided on the surfaces of the connecting shafts 6.2 located at the two sides of the water guiding tile 5 and connected with the lifting hole 5.1. The implementation mode is stable, and similar to the installation mode of automobile wheels, the connecting shaft 6.2 positioned at the top side of the water guide shoe 5 is provided with holes at positions corresponding to the lifting holes 5.1, then the water guide shoe is fixed through the screw rods 6.3, and the connecting shafts 6.2 positioned at the two sides of the water guide shoe 5 are directly connected with the lifting holes 5.1 through a threaded connection mode.
Preferably, the connecting shaft 6.2 on the top side of the water guide shoe 5 is also provided with a hanging ring 7, and the hanging ring 7 is matched with the lifting hook 1 of the crane through a rope. More preferably, the central region of the connecting shaft 6.2 can be designed in a flat shape, which facilitates the pre-fitting of the lifting ring 7.
Preferably, the crane is of an annular guide rail crane structure, an annular guide rail 8 is arranged on the top surface of the tile frame 2, and the annular guide rail 8 is in sliding fit with a sliding groove at the bottom of the tile drawing bracket 3. After the design, the tile drawing process is conveniently carried out by moving the position of the tile drawing bracket 3 again after each tile drawing and returning process is completed.
Preferably, as shown in fig. 3, a limiting shaft 9 is further fixedly arranged on the side portion of the sliding rail 4, and the limiting shaft 9 is matched with a limiting hole formed in the side portion of the tile drawing bracket 3. After the design, when the tile drawing support 3 is required to be moved after the tile drawing and returning process is finished once, in order to prevent the sliding rail 4 from colliding with the installed water guide tile 5, the limiting shaft 9 of the sliding rail 4 can be separated from the limiting hole on the side part of the tile drawing support 3, then the sliding rail 4 is stored, the phenomenon that the sliding rail 4 collides with the water guide tile 5 in the moving process of the tile drawing support 3 is avoided, and after the moving process is finished, the limiting shaft 9 of the sliding rail 4 is installed in the limiting hole on the side part of the tile drawing support 3 again, so that the sliding rail 4 returns to an inclined state again. The structure facilitates the installation and the disassembly process of the sliding rail 4 on the tile-drawing bracket 3.
Preferably, as shown in fig. 1 and 3, the sliding rail 4 is a broken channel steel structure. The channel steel structure is common and does not need to be additionally manufactured and processed. Because of the design of the fold line, a larger avoiding space can exist to avoid collision with the oil slinger or the tile frame in the moving process of the water guide tile 5.
Preferably, as shown in fig. 1 and 3, two groups of support rods are arranged at the bottom of the tile-drawing bracket 3 in the embodiment, and are respectively arranged in the outer side area of the oil groove wall 12 and the area between the inner side of the oil groove wall 12 and the outer side of the overflow plate 13. The whole structure is more stable, and in addition, a balancing weight can be additionally arranged on one side of the tile drawing support 3 away from the water guide tile 5, so that the tile drawing support is prevented from toppling in the tile drawing process.
In addition, the utility model discloses a tile extracting method of the water guide bearing tile extracting device of the large-sized hydroelectric generating set, which comprises the following steps:
s1, removing a tile adjusting mechanism 5.2 of the water guide tile 5, and creating conditions for tile drawing work; as shown in fig. 1, the left tile adjustment mechanism 5.2 is removed, and the right tile adjustment mechanism 5.2 is not removed.
S2, adding buffer materials on the front surface and the back surface of the water guide tile 5: preferably, the cushioning material in this step may be wool felt or soft rubber or the like to protect the water guide shoe 5 and the turbine shaft. Through carrying out effectual protection to turbine shaft and tile face, prevent to dismantle and adorn back and lead to the fact striking to collide with and take place to damage to the lubrication surface.
S3, arranging and fastening roller mechanisms 6 on the top side and two sides of the water guide shoe 5, mounting hanging rings 7 on the roller mechanisms 6 on the top side of the water guide shoe 5, and connecting the hanging rings 7 with the lifting hook 1 of the crane through ropes;
s4, moving into the tile drawing bracket 3, and attaching the idler wheels 6.1 of the idler wheel mechanism 6 to the sliding rail 4, so that the idler wheels 6.1 can slide in the sliding rail 4;
s5, oblique pulling force is provided by using the lifting hook 1 of the crane, so that the water guide shoe 5 is obliquely lifted out along the sliding rail 4 through the roller 6.1, the shoe drawing process is completed, and the water guide shoe is installed in a reverse procedure.
Further, it also comprises the following steps:
s6, after the tile extraction and the reinstallation process are completed once, the water turbine shaft of the slide rail water turbine shaft 4 is detached from the water turbine shaft of the tile extraction support water turbine shaft 3, then the bottom of the water turbine shaft of the tile extraction support water turbine shaft 3 is moved for a certain distance along the water turbine shaft of the annular guide rail water turbine shaft 8, so that the bottom of the water turbine shaft is opposite to the water turbine shaft of the next water guide tile water turbine shaft 5, and the water turbine shaft of the lifting hook water turbine shaft 1 of the crane is correspondingly moved for a corresponding distance;
s7, reinstalling the water turbine shaft of the sliding rail water turbine shaft 4 on the water turbine shaft of the water turbine shaft 3 of the water turbine support in an inclined state, and then carrying out tile extraction and reinstallation on the water turbine shaft of the next water guide tile water turbine shaft 5 according to steps S1-S5.
The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (10)
1. The utility model provides a large-scale hydroelectric set water guide bearing draws tile device, includes lifting hook (1) of crane, lifting hook (1) are located tile frame (2) top, its characterized in that: the tile rack (2) is provided with a tile drawing support (3), slide rails (4) are obliquely arranged on two sides of the tile drawing support (3), roller mechanisms (6) are arranged on the top side and two sides of the water guide tile (5), and rollers (6.1) of the roller mechanisms (6) are in sliding fit with the slide rails (4).
2. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 1, wherein the water guide bearing bush-drawing device is characterized in that: the roller mechanism (6) is arranged at the positions of the lifting holes (5.1) on the top side and the two sides of the water guide shoe (5).
3. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 2, wherein: the roller mechanism (6) comprises a wheel frame and rollers (6.1) hinged in the wheel frame, and the wheel frame is inserted into the positions of the lifting holes (5.1) on the top side and the two sides of the water guide shoe (5) through pin shafts.
4. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 2, wherein: the hoisting hole (5.1) is of a reserved internal thread hole structure.
5. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 4, wherein: the roller mechanism (6) comprises a connecting shaft (6.2), the connecting shaft (6.2) is rotationally connected with the inner center of the roller (6.1) through a bearing, the connecting shaft (6.2) positioned at the top side of the water guide shoe (5) is connected with the lifting hole (5.1) through a screw rod (6.3), and external threads are formed on the surfaces of the connecting shafts (6.2) positioned at the two sides of the water guide shoe (5) and are connected with the lifting hole (5.1).
6. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 5, wherein the water guide bearing bush-drawing device is characterized in that: the connecting shaft (6.2) at the top side of the water guide shoe (5) is also provided with a hanging ring (7), and the hanging ring (7) is matched with the lifting hook (1) of the crane through a rope.
7. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 1, wherein the water guide bearing bush-drawing device is characterized in that: the crane is of an annular guide rail crane structure, an annular guide rail (8) is arranged on the top surface of the tile frame (2), and the annular guide rail (8) is in sliding fit with a sliding groove at the bottom of the tile drawing bracket (3).
8. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 1, wherein the water guide bearing bush-drawing device is characterized in that: the side part of the sliding rail (4) is also fixedly provided with a limiting shaft (9), and the limiting shaft (9) is matched with a limiting hole formed in the side part of the tile drawing bracket (3).
9. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 1, wherein the water guide bearing bush-drawing device is characterized in that: the sliding rail (4) is of a broken-line channel steel structure.
10. The water guide bearing bush-drawing device of a large-sized hydroelectric generating set according to claim 1, wherein the water guide bearing bush-drawing device is characterized in that: two groups of support rods are arranged at the bottom of the tile drawing support (3) and are respectively arranged in the outer side area of the oil groove wall (12) and the area between the inner side of the oil groove wall (12) and the outer side of the overflow plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100664.6U CN219860097U (en) | 2023-05-09 | 2023-05-09 | Water guide bearing tile drawing device of large-sized hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100664.6U CN219860097U (en) | 2023-05-09 | 2023-05-09 | Water guide bearing tile drawing device of large-sized hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219860097U true CN219860097U (en) | 2023-10-20 |
Family
ID=88332611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321100664.6U Active CN219860097U (en) | 2023-05-09 | 2023-05-09 | Water guide bearing tile drawing device of large-sized hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219860097U (en) |
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2023
- 2023-05-09 CN CN202321100664.6U patent/CN219860097U/en active Active
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