CN218538949U - Steam turbine rotor hoist and mount combination fastener - Google Patents
Steam turbine rotor hoist and mount combination fastener Download PDFInfo
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- CN218538949U CN218538949U CN202222556152.2U CN202222556152U CN218538949U CN 218538949 U CN218538949 U CN 218538949U CN 202222556152 U CN202222556152 U CN 202222556152U CN 218538949 U CN218538949 U CN 218538949U
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- steam turbine
- turbine rotor
- clamping piece
- fastener
- upper clamping
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Abstract
The utility model relates to a steam turbine rotor hoist and mount combination fastener. At present, when a steam turbine rotor is hoisted, overhauled and cleaned, a steel wire rope cannot be used for hoisting due to the special structure of the steam turbine rotor. A steam turbine rotor hoisting combination fastener comprises an upper fastener (1) and a lower fastener (2), wherein the upper fastener and the lower fastener are respectively provided with a semicircular opening, an antiskid rubber pad (3) is arranged at the semicircular opening, and a shaft body of the steam turbine rotor is arranged between the two semicircular openings of the upper fastener and the lower fastener; the upper clamping piece consists of two upper clamping blocks with the same structure, the two upper clamping blocks are fixedly connected through a bolt assembly, and each upper clamping block is symmetrically provided with a steel wire rope inserting cavity (4); the lower clamping piece is composed of two lower clamping blocks with the same structure, the two lower clamping blocks are fixedly connected through a bolt assembly (5), a steel wire rope inserting cavity is symmetrically formed in each lower clamping block, and the corners of the lower clamping blocks are arc-shaped surface structures. The utility model discloses be applied to the steam turbine field.
Description
Technical Field
The utility model relates to a steam turbine equipment maintenance field, concretely relates to steam turbine rotor hoist and mount combination fastener.
Background
When the high and medium pressure cylinders of the turbine body part are subjected to disassembly inspection overhaul, the turbine rotor needs to be inspected and cleaned regularly. The high, medium and low pressure rotor is hung away from the cylinder safely and stably in general adoption, then is placed on the iron horse of maintenance place, inspects and cleans it, and the cylinder is recovered to safety after the maintenance work, guarantees equipment safety and stability's operation.
When the rotor is hoisted, the position of the hoisting point and the length of the rope need to be adjusted according to the size of the rotor, and a working responsible person confirms that the binding hoisting point is firm and reliable, and the center of the rotor hoisting point is aligned. During hoisting, if adopt wire rope to hoist because rotor shaft body surface is smooth, wire rope can't fix on the rotor, stability is not good, therefore, adopt flat hoist and mount area to hoist usually, flat hoist and mount area is compared in wire rope's hoist and mount stability is higher, but when hoist and mount thing has sharp limit like rotor fan or casing edge, these sharp limits can bring destructive incised wound to hoist and mount area, there is the potential safety hazard, and wire rope's wholeness can be superior to flat hoist and mount area, consequently, this application designs one kind and can pass through the combination fastener of wire rope to the hoist and mount of steam turbine rotor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steam turbine rotor hoist and mount combination fastener can hoist steam turbine rotor through hoist and mount combination fastener through wire rope, and application range is more extensive.
The above purpose is realized by the following technical scheme:
a steam turbine rotor hoisting combination fastener comprises an upper fastener and a lower fastener, wherein semicircular openings are respectively formed in the upper fastener and the lower fastener, an anti-skidding rubber pad is arranged at each semicircular opening, and a shaft body of a steam turbine rotor is arranged between the two semicircular openings of the upper fastener and the lower fastener;
the upper clamping piece consists of two upper clamping blocks with the same structure, the two upper clamping blocks are fixedly connected through a bolt assembly, and each upper clamping block is symmetrically provided with a steel wire rope inserting cavity;
the lower clamping piece comprises two lower clamping blocks with the same structure, the two lower clamping blocks are fixedly connected through a bolt assembly, a steel wire rope inserting cavity is symmetrically formed in each lower clamping block, and the corners of the lower clamping blocks are arc-shaped surface structures.
The combined clamping piece for hoisting the steam turbine rotor is characterized in that the top of the upper clamping piece is connected with a base plate with the thickness of 30 mm.
The steam turbine rotor hoist and mount combination fastener, the both sides of going up the fastener be connected with two backing rolls, the backing roll adopt the diameter to be 32mm reinforcing bar.
The steam turbine rotor hoisting combination clamping piece is connected with the upper clamping piece and the lower clamping piece through a steel wire rope.
The utility model discloses the beneficial effect who reaches is:
1. the utility model discloses can be practical nimble, convenient operation is hoisting the steam turbine rotor between, can adjust the distance between this combination fastener wantonly, is convenient for can find the hoisting point on the axis body.
2. The utility model discloses a hoist and mount combination fastener, accessible wire rope alright hoist and mount steam turbine rotor, replace the tradition and use flat hoist and mount area to the hoist and mount of steam turbine rotor, hoist and mount when steam turbine rotor and lift by crane the back, go up the fastener and the fastener can only the pressfitting with the axis body of steam turbine rotor under with the fastener at last fastener to guarantee the safety of hoist and mount.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the side-view hoisting of the utility model;
FIG. 5 is a schematic view of the front lifting operation of the present invention;
in the figure: 1. go up fastener, 2, lower fastener, 3, anti-skidding cushion, 4, wire rope insert the chamber, 5, bolt assembly, 6, round hole, 7, backing plate, 8, backing roll, 9, wire rope, 10, steam turbine rotor, 11, hanging beam.
Detailed Description
The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
Example 1:
as shown in fig. 1-3, a steam turbine rotor hoisting combination fastener comprises an upper fastener 1 and a lower fastener 2, wherein the upper fastener and the lower fastener are respectively provided with a semicircular notch, an anti-skid rubber pad 3 is arranged at the semicircular notch, and a shaft body of the steam turbine rotor is arranged between the two semicircular notches of the upper fastener and the lower fastener; the semicircular openings on the upper clamping piece and the lower clamping piece are the same in size, and the length and the thickness of the upper clamping piece and the lower clamping piece are the same; the diameter of a round hole structure consisting of the two semicircular notches is approximately the same as the shaft diameter of the rotor shaft; the upper clamping piece consists of two upper clamping blocks with the same structure, the two upper clamping blocks are fixedly connected through a bolt assembly, and each upper clamping block is symmetrically provided with a steel wire rope inserting cavity 4; the lower clamping piece is composed of two lower clamping blocks with the same structure, the two lower clamping blocks are fixedly connected through a bolt assembly 5, a steel wire rope inserting cavity is symmetrically formed in each lower clamping block, and the corners of the lower clamping blocks are arc-shaped face structures. The four corners of the upper clamping piece and the lower clamping piece are provided with a group of round holes 6 with the same diameter, and bolt assemblies are inserted into the round holes. The two upper clamping blocks are the same in structure, the two lower clamping blocks are the same in structure, after the two upper clamping blocks are fixed through a group of bolt assemblies, a through hole with a cylindrical structure is formed between the other two upper clamping blocks, the diameter of the through hole structure is larger than the diameter of a steel wire rope, the steel wire rope is mainly penetrated into the through hole structure, similarly, after the two lower clamping blocks are fixed through a group of bolts, a cylindrical through hole is also formed between the two lower clamping blocks, and the cylindrical through hole formed by the two lower clamping blocks below and the cylindrical through hole formed by the two upper clamping blocks above are on the same vertical line; the upper clamping piece is composed of two upper clamping blocks, the lower clamping piece is composed of two lower clamping blocks, and both of the upper clamping block and the lower clamping block are of split structures, the split structures are mainly adopted to facilitate replacement of the steel wire rope, when the steel wire rope is used to a certain extent, the bolt assembly can be disassembled, then the rope body of the steel wire rope is respectively placed into the steel wire rope insertion cavities of the upper clamping blocks and the lower clamping blocks, and then the two upper clamping blocks and the two lower clamping blocks are fixed through a group of bolt assemblies, so that installation of the steel wire rope can be completed; when in use, the bottom surface of the upper clamping piece is tightly attached to the top surface of the lower clamping piece.
As shown in fig. 3-5, the steam turbine rotor lifting combined clamping piece is connected with a backing plate 7 with the thickness of 30mm at the top of the upper clamping piece. Two supporting rollers 8 are connected to two sides of the upper clamping piece, and reinforcing steel bars with the diameter of 32mm are adopted as the supporting rollers. The back-up roll of going up the fastener left and right sides carries out fixed connection as an organic whole through the welded mode, steam turbine rotor hoist and mount combination fastener, last fastener and lower fastener between connect through wire rope. The lifting device is characterized in that lifting rings at two ends of a steel wire rope are respectively hung on a hook body of the lifting device, then a gantry crane is started to drive the steel wire rope to vertically upwards lift, when the steel wire rope is in a straightening state, the steel wire rope above a base plate can compress the base plate at the moment, the base plate and an upper clamping piece are fixedly connected into a whole through a welding mode, therefore, when the steel wire rope vertically downwards presses the base plate, the upper clamping piece can be downwards pressed, and the gravity of a turbine rotor per se can vertically downwards press the lower clamping piece, therefore, when the gantry crane lifts the turbine rotor, the combined clamping piece applied is used for lifting, the upper clamping piece can always downwards press the upper clamping piece through the steel wire rope in the whole lifting process, the upper clamping piece and the lower clamping piece can be tightly attached in the whole lifting process, the shaft body of the turbine rotor is prevented from sliding, and the turbine rotor can be lifted through the steel wire rope.
Claims (4)
1. The utility model provides a steam turbine rotor hoist and mount combination fastener, characterized by: the assembly of the steam turbine rotor comprises an upper clamping piece and a lower clamping piece, wherein semicircular openings are respectively formed in the upper clamping piece and the lower clamping piece, an anti-skidding rubber pad is arranged at each semicircular opening, and a shaft body of the steam turbine rotor is arranged between the two semicircular openings of the upper clamping piece and the lower clamping piece;
the upper clamping piece consists of two upper clamping blocks with the same structure, the two upper clamping blocks are fixedly connected through a bolt assembly, and each upper clamping block is symmetrically provided with a steel wire rope inserting cavity;
the lower clamping piece comprises two lower clamping blocks with the same structure, the two lower clamping blocks are fixedly connected through a bolt assembly, a steel wire rope inserting cavity is symmetrically formed in each lower clamping block, and the corners of the lower clamping blocks are arc-shaped surface structures.
2. The steam turbine rotor lifting combination clamping member as claimed in claim 1, wherein: the top of the upper clamping piece is connected with a backing plate with the thickness of 30 mm.
3. The steam turbine rotor lifting combination clamping member as claimed in claim 2, wherein: two supporting rollers are connected to two sides of the upper clamping piece, and reinforcing steel bars with the diameter of 32mm are adopted as the supporting rollers.
4. The steam turbine rotor lifting combination fastener of claim 3, wherein: the upper clamping piece and the lower clamping piece are connected through a steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556152.2U CN218538949U (en) | 2022-09-19 | 2022-09-19 | Steam turbine rotor hoist and mount combination fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556152.2U CN218538949U (en) | 2022-09-19 | 2022-09-19 | Steam turbine rotor hoist and mount combination fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218538949U true CN218538949U (en) | 2023-02-28 |
Family
ID=85274114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222556152.2U Active CN218538949U (en) | 2022-09-19 | 2022-09-19 | Steam turbine rotor hoist and mount combination fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218538949U (en) |
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2022
- 2022-09-19 CN CN202222556152.2U patent/CN218538949U/en active Active
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