CN217024993U - Balanced hoisting device of steam turbine rotor - Google Patents
Balanced hoisting device of steam turbine rotor Download PDFInfo
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- CN217024993U CN217024993U CN202122142405.7U CN202122142405U CN217024993U CN 217024993 U CN217024993 U CN 217024993U CN 202122142405 U CN202122142405 U CN 202122142405U CN 217024993 U CN217024993 U CN 217024993U
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- hoisting
- rope
- hanging rope
- rotor
- steam turbine
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Abstract
The utility model provides a steam turbine rotor balance hoisting device which comprises a hoisting beam, hoisting rings are arranged in the middle of the upper side of the hoisting beam and at two ends of the upper side of the hoisting beam, a hoisting rope is connected onto the hoisting rings, the upper end of the hoisting rope is hung on a crane hook, a hoisting seat is arranged in the middle of the hoisting beam, a hoisting block is arranged at the lower side of the hoisting seat, a lifting lug is arranged on the hoisting block, a mounting groove is arranged at the lower side of the hoisting beam, an adjusting mechanism is arranged in the mounting groove, the left end and the right end of the lower side of the hoisting beam are movably connected with a hoisting frame through the adjusting mechanism, a middle hanging rope and a side hanging rope are connected onto the lifting lug, the middle hanging rope is used for hanging from a middle rotor, and the side hanging rope penetrates through the hoisting frame to hang the rotor from the end part. Through adopting syllogic hoisting structure, hang in the setting and hang the rope with the side and hang the middle and both ends of the right rotor, set up the hoisting frame and hang the rope and adjust to the side, remove the length of adjusting the side and hanging the rope through adjustment mechanism, make rotor both ends keep balance, improved the stationarity of rotor hoist and mount, simple structure, it is convenient to use.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to a steam turbine rotor balance hoisting device.
Background
During the assembly or disassembly maintenance process of parts of the steam turbine, a large crane is needed for lifting. Steam turbine spare part size in the power plant is huge, especially steam turbine rotor, and at the in-process of current driving hoist and mount, the rotor very easily because the unbalanced emergence of atress inclines, even swings greatly, influences the security of hoist and mount.
Patent number CN207346977U discloses a steam turbine rotor instrument of lifting by crane, through set up the liquid balance unit at the girder upside, splendid attire liquid in the box of the girder left and right sides, set up the solid balance unit at the girder both ends, set up the balancing piece at the girder both ends, thereby guarantee the balance of girder, reduce the slope of rotor, but because the rotor is great, the structure center is all inconsistent, at every turn when hoisting different rotors, confirm the center, keep balance comparatively difficult, need real-time change of carrying out the counter weight, use comparatively loaded down with trivial details, consequently, it just becomes very important to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steam turbine rotor balance hoisting device, which adopts a three-section hoisting structure, is provided with a middle hanging rope and a side hanging rope for hoisting the middle and two ends of a rotor, is provided with a hoisting frame for adjusting the side hanging rope, and moves through an adjusting mechanism to adjust the length of the side hanging rope, so that the two ends of the rotor are kept balanced, and the problem that the use of adjusting a balance weight in the background technology is troublesome is solved.
The utility model provides a steam turbine rotor balance hoisting device which comprises a hoisting beam, hoisting rings are arranged in the middle of the upper side of the hoisting beam and at two ends of the upper side of the hoisting beam, a hoisting rope is connected onto the hoisting rings, the upper end of the hoisting rope is hung on a crane hook, a hoisting seat is arranged in the middle of the hoisting beam, a hoisting block is arranged at the lower side of the hoisting seat, a lifting lug is arranged on the hoisting block, a mounting groove is arranged at the lower side of the hoisting beam, an adjusting mechanism is arranged in the mounting groove, the left end and the right end of the lower side of the hoisting beam are movably connected with a hoisting frame through the adjusting mechanism, a middle hanging rope and a side hanging rope are connected onto the lifting lug, the middle hanging rope is used for hanging from a middle rotor, and the side hanging rope penetrates through the hoisting frame to hang the rotor from the end part.
The further improvement lies in that: adjustment mechanism includes the threaded rod, and the threaded rod bilateral symmetry sets up in the mounting groove both sides, and hoist and mount frame upper end swing joint is equipped with driving motor in the middle of the mounting groove on the threaded rod, and driving motor is connected with the threaded rod, and driving motor drives the threaded rod and rotates.
The further improvement is that: the rotor is provided with a level gauge which is electrically connected with the driving motor.
The further improvement lies in that: the lower end of the hoisting frame is provided with a pulley, and the side hanging rope is attached to the pulley.
The further improvement is that: the middle hanging rope and the side hanging rope are both steel ropes, and the middle position of the side hanging rope is provided with a sling sheet.
The further improvement is that: the front and back of the lifting lugs are symmetrically provided with three lifting lugs, and the middle hanging rope and the side hanging rope are respectively connected with the corresponding lifting lugs.
The utility model has the beneficial effects that: the middle hanging rope and the side hanging rope are respectively arranged at the middle end and the side end of the rotor for hanging, and multi-section hanging is adopted, so that the rotor hanging is more stable; hang the roof beam both ends and set up hoist and mount frame, the side is hung the rope and is passed hoist and mount frame and hang the rotor, and hoist and mount frame offside is hung the rope and is supported from the downside, and on hoist and mount frame swing joint recruited the threaded rod, drive the threaded rod through driving motor and rotate, hoist and mount frame removed along with the rotation of threaded rod to adjust the hoist and mount height of side lifting rope, make rotor both ends hoist and mount height keep balance, make rotor hoist and mount more steady, prevent the rotor slope.
The gradienter is placed on the rotor, the hoisting gradient of the rotor is monitored through the gradienter, the rotor is effectively kept horizontal during hoisting, and the generation of oblique sliding is reduced.
The sling sheets are arranged on the side hanging ropes, and the contact area between the side hanging ropes and the rotor support is increased through the sling sheets, so that the sliding of the side hanging ropes is reduced, and the stability of rotor hoisting is improved.
The pulley is arranged at the lower end of the hoisting frame, the side hanging rope is attached to the pulley, friction between the side hanging rope and the hoisting frame is reduced, when the hoisting frame moves to adjust the length of the side hanging rope, the side hanging rope can slide and adjust on the hoisting frame conveniently, and convenience in adjusting the side hanging rope is improved.
Drawings
Fig. 1 is a front view structural view of the present invention.
FIG. 2 is a schematic view of a mounting groove structure.
Fig. 3 is a side view structure diagram of the hoisting base.
Wherein: 1-hoisting beam, 2-hoisting ring, 3-hoisting rope, 4-hoisting base, 5-hoisting block, 6-hoisting lug, 7-mounting groove, 8-hoisting frame, 9-middle hoisting rope, 10-side hoisting rope, 11-threaded rod, 12-driving motor, 13-level meter, 14-pulley and 15-hoisting belt piece.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1-3, this embodiment provides a balanced hoisting device of steam turbine rotor, including hoist and mount roof beam 1, hoist and mount roof beam 1 upside in the middle of and both ends all are equipped with rings 2, are connected with lifting rope 3 on rings 2, and the lifting rope 3 upper end is hung on the driving couple, is equipped with hoist and mount seat 4 in the middle of hoist and mount roof beam 1, and hoist and mount 4 downside is equipped with hoist and mount piece 5, is equipped with lug 6 on the hoist and mount piece 5, 6 fore-and-aft symmetry of lug all is equipped with threely. Hang rope 9 in being connected with on the lug 6 in the middle of, be connected with the side on the lug 6 of both sides and hang rope 10, well string rope 9 is to hanging from middle rotor, hoist and mount 1 downside of roof beam is equipped with mounting groove 7, be equipped with adjustment mechanism in the mounting groove 7, both ends have hoist and mount frame 8 through adjustment mechanism swing joint about 1 downside of hoist and mount roof beam, side string rope 10 passes hoist and mount frame 8 and hangs the rotor from the tip, well string rope 9 and side string rope 10 all adopt the steel cable, side string rope 10 intermediate position is provided with suspender piece 15, increase the area of contact between side string rope 10 and the rotor through suspender piece 15, increase frictional force, thereby improve the stability of rotor hoist and mount.
Adjustment mechanism includes threaded rod 11, and 11 bilateral symmetry settings of threaded rod are in 7 both sides of mounting groove, and hoist and mount 8 upper end swing joint on threaded rod 11, and hoist and mount 8 side sliding connection are equipped with driving motor 12 in the middle of the 7 mounting grooves in mounting groove 7 in the mounting groove, and driving motor 12 output is connected with threaded rod 11, and driving motor 12 drives threaded rod 11 and rotates, and hoist and mount frame 8 removes along with the rotation of threaded rod 11 to it carries out the altitude mixture control to drive side string rope 10.
The lower end of the hoisting frame 8 is provided with a pulley 14, the side hanging rope 10 is attached to the pulley 14, when the hoisting frame 8 moves to adjust the height of the side hanging rope 10, the side hanging rope 10 acts through the pulley 14 in the moving process, friction between the side hanging rope 10 and the hoisting frame 8 is reduced, and adjustment convenience is improved.
During the use, hang the middle-end of rope 9 through well and hang the rotor, the side hangs the rope 10 and hangs the both ends of rotor, the driving slowly hangs hoist roof beam 1 through lifting rope 3, spirit level 13 carries out the level monitoring to the rotor that hangs, when the rotor takes place to incline, driving motor 12 drives the threaded rod 11 of slope one side and rotates, make hoisting frame 8 remove, the side hangs rope 10 and adjusts through the removal of hoisting frame 8, drive the one end of slope and rise gradually, thereby make the rotor both ends keep balance, make rotor hoist and mount more stable.
Claims (6)
1. A steam turbine rotor balance hoisting device comprises a hoisting beam (1), hoisting rings (2) are arranged in the middle of the upper side of the hoisting beam (1) and at two ends of the hoisting beam, hoisting ropes (3) are connected to the hoisting rings (2), the upper ends of the hoisting ropes (3) are hung on a crane hook, a hoisting seat (4) is arranged in the middle of the hoisting beam (1), a hoisting block (5) is arranged on the lower side of the hoisting seat (4), a lifting lug (6) is arranged on the hoisting block (5), the hoisting device is characterized in that a mounting groove (7) is arranged on the lower side of the hoisting beam (1), an adjusting mechanism is arranged in the mounting groove (7), the left end and the right end of the lower side of the hoisting beam (1) are movably connected with a hoisting frame (8) through the adjusting mechanism, a middle hanging rope (9) and a side hanging rope (10) are connected to the lifting lug (6), the middle hanging rope (9) is hung from a middle rotor, and the side hanging rope (10) penetrates through the hoisting frame (8) to be hung from the end part of the rotor.
2. The steam turbine rotor balancing and hoisting device of claim 1, wherein: adjustment mechanism includes threaded rod (11), and threaded rod (11) bilateral symmetry sets up in mounting groove (7) both sides, and hoist and mount frame (8) upper end swing joint is equipped with driving motor (12) in the middle of mounting groove (7) on threaded rod (11), and driving motor (12) output is connected with threaded rod (11), and driving motor (12) drive threaded rod (11) rotate.
3. The steam turbine rotor balancing and hoisting device of claim 2, wherein: a level gauge (13) is arranged on the rotor, and the level gauge (13) is electrically connected with the driving motor (12).
4. The steam turbine rotor balancing and hoisting device of claim 1, wherein: the lower end of the hoisting frame (8) is provided with a pulley (14), and the side hanging rope (10) is attached to the pulley (14).
5. The steam turbine rotor balancing and hoisting device of claim 1, wherein: the middle hanging rope (9) and the side hanging rope (10) both adopt steel ropes, and a sling sheet (15) is arranged in the middle of the side hanging rope (10).
6. The steam turbine rotor balancing and hoisting device of claim 1, wherein: the three lifting lugs (6) are symmetrically arranged in the front and back, and the middle hanging rope (9) and the side hanging rope (10) are respectively connected with the corresponding lifting lugs (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142405.7U CN217024993U (en) | 2021-09-07 | 2021-09-07 | Balanced hoisting device of steam turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142405.7U CN217024993U (en) | 2021-09-07 | 2021-09-07 | Balanced hoisting device of steam turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217024993U true CN217024993U (en) | 2022-07-22 |
Family
ID=82410902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122142405.7U Active CN217024993U (en) | 2021-09-07 | 2021-09-07 | Balanced hoisting device of steam turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217024993U (en) |
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2021
- 2021-09-07 CN CN202122142405.7U patent/CN217024993U/en active Active
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