CN217535155U - Overall hoisting tool for large-scale water turbine seat ring - Google Patents
Overall hoisting tool for large-scale water turbine seat ring Download PDFInfo
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- CN217535155U CN217535155U CN202221167874.2U CN202221167874U CN217535155U CN 217535155 U CN217535155 U CN 217535155U CN 202221167874 U CN202221167874 U CN 202221167874U CN 217535155 U CN217535155 U CN 217535155U
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- seat ring
- lifting
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- lug
- hoisting
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Abstract
A large-scale hydraulic turbine seat ring integral hoisting tool comprises a plurality of locking components, wherein each locking component is connected with a disc-shaped hoisting frame through a hoisting rope or a hoisting rope ring; the lock catch assembly comprises two lug plate connecting plates, shackle pin shafts are respectively arranged at two ends of the two lug plate connecting plates and are fixed through locking nuts, the shackle pin shaft at one end of each lug plate connecting plate is detachably connected with a seat ring lifting lug of a seat ring, and a pulley shaft sleeve is arranged on the shackle pin shaft at the other end of each lug plate connecting plate and is connected with a lifting rope or a lifting rope ring; the disc-shaped hanger is provided with an ear plate for connecting with the lifting hook. The utility model discloses can compensate the nonadjustable shortcoming of wire rope length, promote the flexibility of large-scale hydraulic turbine seat ring hoist and mount by a wide margin, hoist and mount balanced effectual, do benefit to the construction period who practices thrift large-scale power station factory building machine hole, reduce the construction cost of seat ring integral hoisting simultaneously.
Description
Technical Field
The utility model belongs to the technical field of hydroelectric power generation equipment installation, in particular to whole frock of lifting by crane of large-scale hydraulic turbine seat ring.
Background
The seat ring is a bearing component of the mixed-flow water turbine and a flow passage component, and is mainly used for bearing the weight of rotating components such as a generator and the water turbine which are transmitted to the seat ring, and the maximum internal water pressure of the volute and the hydraulic pressure of civil structure load, so that the seat ring has enough strength and rigidity. The large-scale mixed-flow water turbine seat ring is generally composed of an upper ring plate, a lower ring plate, a fixed guide vane, a transition plate, a guide plate, a large tongue plate, a bottom ring foundation plate and the like. Due to the limitation of field installation and transportation conditions, the seat ring of the large-scale mixed-flow water turbine can be generally manufactured in a split mode and then transported to a construction site, split joint surfaces of the seat ring are connected through bolts and are provided with positioning pins, and after split pieces are combined through the bolts at the construction site, the split joint positions of the split surfaces are welded into a whole.
After the seat ring of the large-scale mixed-flow water turbine is split on site, the seat ring can be hoisted into the machine pit in a split mode and then assembled and welded into a whole, and the seat ring can also be hoisted into the machine pit integrally after being assembled and welded in a factory building installation room. The split hoisting is carried out in the machine pit and then the split hoisting is carried out to form an integral mode by assembly welding, the requirement on field hoisting means is low, but the construction straight-line construction period in the machine pit is required to be about 2~3 months. The mode that the whole machine pit is hung after assembly welding of a workshop installation room is adopted, so that the construction period in the machine pit can be greatly shortened, and huge economic benefits are created.
But the integral hoisting has the following defects: 1. the large-scale mixed-flow water turbine seat ring needs to be hoisted by a special steel wire rope due to large size and heavy weight, the special steel wire rope is expensive in price and long in purchasing and manufacturing period, and if one special steel wire rope is configured for each type of seat ring, the manufacturing cost is high; 2. the seat ring often has the overweight problem because structural design's difference, and the levelness of seat ring integral hoisting is difficult to handle the accuse, has brought the difficulty for the installation.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides a large-scale hydraulic turbine seat ring wholly lifts by crane frock, the utility model discloses can compensate the nonadjustable shortcoming of wire rope length, promote the flexibility of large-scale hydraulic turbine seat ring hoist and mount by a wide margin, hoist and mount balanced effectual, do benefit to the construction period who practices thrift large-scale hydropower house machine hole, reduce the construction cost of seat ring integral hoist and mount simultaneously.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
a large-scale hydraulic turbine seat ring integral hoisting tool comprises a plurality of locking components, wherein each locking component is connected with a disc-shaped hoisting frame through a hoisting rope or a hoisting rope ring; the lock catch assembly comprises two lug plate connecting plates, shackle pin shafts are respectively arranged at two ends of the two lug plate connecting plates and are fixed through locking nuts, the shackle pin shaft at one end of each lug plate connecting plate is detachably connected with a seat ring lifting lug of a seat ring, and a pulley shaft sleeve is arranged on the shackle pin shaft at the other end of each lug plate connecting plate and is connected with a lifting rope or a lifting rope ring; the disc-shaped hanger is provided with an ear plate for connecting with the lifting hook.
Preferably, the disc-shaped hanger comprises a disc, a central through hole is formed in the center of the disc, a plurality of hoisting holes are formed in the edge of the disc, and the hoisting holes are annularly arranged around the central through hole; the T-shaped lifting lug is inserted into the central through hole and comprises a cylindrical bolt, the top of the cylindrical bolt is provided with an ear plate, and the bottom of the cylindrical bolt is provided with a bottom plate.
Preferably, the pulley sleeve is provided with an annular groove.
This patent can reach following beneficial effect:
the utility model discloses increased the otic placode at the wire rope front end and linked the board, the otic placode links the board and is used for remedying the nonadjustable shortcoming of wire rope length, can be in the hoist and mount of a plurality of seat rings public purpose-built wire rope, only need change different otic placodes even the board can.
The utility model discloses promote the flexibility of large-scale hydraulic turbine seat ring hoist and mount by a wide margin, hoist and mount balanced effectual, do benefit to the construction period who practices thrift large-scale hydropower station factory building machine hole, reduce the construction cost of the whole hoist and mount of seat ring simultaneously. In addition, the tool is simple in structure and easy to manufacture, and can be manufactured in time according to the actual conditions of engineering projects; the position of the rotary seat ring can be adjusted during hoisting, so that the installation is convenient.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a schematic view of the hoisting of the present invention;
FIG. 2 is a structural view of the lock assembly of the present invention;
FIG. 3 is a front view of the disc hanger of the present invention;
fig. 4 is a top view of the present invention.
In the figure: the locking device comprises a locking component 1, an ear plate connecting plate 101, a shackle pin shaft 102, a pulley shaft sleeve 103, a locking nut 104, a lifting rope 2, a disc-shaped hanger 3, a disc 301, a central through hole 302, a lifting hole 303, an inverted T-shaped lifting lug 304, a lifting hook 4, a seat ring lifting lug 5 and a seat ring 6.
Detailed Description
Example 1:
for example, the whole hoisting weight of a certain power station seat ring is about 440t, the diameter is phi 12350mm, the size of the seat ring is large, the weight of the seat ring is heavy, and 8 seat ring lifting lugs 5 are uniformly distributed on the seat ring.
As shown in fig. 1 to 4, the utility model provides a large-scale turbine seat ring integral hoisting tool, which is mainly used for hoisting annular or disc-shaped objects, and comprises a plurality of locking components 1, wherein each locking component 1 is connected with a disc-shaped hanger 3 through a lifting rope 2 or a lifting rope ring; the lock catch component 1 comprises two lug plate connecting plates 101, wherein two ends of the two lug plate connecting plates 101 are respectively provided with a shackle pin shaft 102, the shackle pin shafts 102 are fixed through locking nuts 104, the shackle pin shaft 102 at one end of each lug plate connecting plate 101 is detachably connected with a seat ring lifting lug 5 of a seat ring 6, a pulley shaft sleeve 103 is arranged on the shackle pin shaft 102 at the other end, and the pulley shaft sleeve 103 is connected with a lifting rope 2 or a lifting rope ring. The number of the lock catch assemblies 1 is preferably 6-8, and a plurality of lock catch assemblies 1 are uniformly distributed in a ring shape, so that the force applied on the seat ring is uniform. In addition, if the lifting ropes 2 are replaced by chain blocks aiming at the seat ring of dozens of tons, or the chain blocks are additionally arranged among the lifting ropes for adjusting the balance of each lifting point, and when the seat ring is not horizontal, the length of the steel wire rope is adjusted in time.
The disc-shaped hanging bracket 3 comprises a disc 301, a central through hole 302 is formed in the center of the disc 301, a plurality of hoisting holes 303 are formed in the edge of the disc 301, and the hoisting holes 303 are annularly arranged around the central through hole 302; the center through hole 302 is internally inserted with an inverted T-shaped lifting lug 304, the inverted T-shaped lifting lug 304 comprises a cylindrical bolt, the top of the cylindrical bolt is provided with an ear plate, and the bottom of the cylindrical bolt is provided with a bottom plate. The disc 301 can rotate around the cylindrical pin, so that the position of the seat ring can be conveniently adjusted, and the installation is facilitated. The T-shaped lifting lug 304 is detachably connected with the disc 301, so that the disc 301 with different sizes can be replaced according to the size of a lifted object.
The pulley shaft sleeve 103 can reduce the mechanical friction of the steel wire rope and ensure the hoisting safety. The pulley shaft sleeve 103 is provided with an annular groove on the pulley shaft sleeve 103, so that the steel wire rope is prevented from shaking left and right, and the stability is improved.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and equivalents including technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (3)
1. The utility model provides a whole frock of lifting by crane of large-scale hydraulic turbine seat ring which characterized in that: the device comprises a plurality of locking components (1), wherein each locking component (1) is connected with a disc-shaped hanger (3) through a lifting rope (2) or a lifting rope ring; the lock catch assembly (1) comprises two lug plate connecting plates (101), wherein two ends of each lug plate connecting plate (101) are respectively provided with a shackle pin shaft (102), the shackle pin shafts (102) are fixed through locking nuts (104), the shackle pin shaft (102) at one end of each lug plate connecting plate (101) is detachably connected with a seat ring lifting lug (5) of a seat ring (6), the shackle pin shaft (102) at the other end of each lug plate connecting plate (101) is provided with a pulley shaft sleeve (103), and the pulley shaft sleeve (103) is connected with a lifting rope (2) or a lifting rope ring; the disc-shaped hanger (3) is provided with an ear plate used for being connected with the lifting hook (4).
2. The integral hoisting tool for the large-sized water turbine seat ring according to claim 1, is characterized in that: the disc-shaped hanging bracket (3) comprises a disc (301), a central through hole (302) is formed in the center of the disc (301), a plurality of hoisting holes (303) are formed in the edge of the disc (301), and the hoisting holes (303) are annularly arranged around the central through hole (302); the center through hole (302) is internally inserted with an inverted T-shaped lifting lug (304), the inverted T-shaped lifting lug (304) comprises a cylindrical bolt, the top of the cylindrical bolt is provided with an ear plate, and the bottom of the cylindrical bolt is provided with a bottom plate.
3. The integral hoisting tool for the large-sized water turbine seat ring according to claim 1, is characterized in that: an annular groove is arranged on the pulley shaft sleeve (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221167874.2U CN217535155U (en) | 2022-05-16 | 2022-05-16 | Overall hoisting tool for large-scale water turbine seat ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221167874.2U CN217535155U (en) | 2022-05-16 | 2022-05-16 | Overall hoisting tool for large-scale water turbine seat ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217535155U true CN217535155U (en) | 2022-10-04 |
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ID=83436565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221167874.2U Active CN217535155U (en) | 2022-05-16 | 2022-05-16 | Overall hoisting tool for large-scale water turbine seat ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217535155U (en) |
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2022
- 2022-05-16 CN CN202221167874.2U patent/CN217535155U/en active Active
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