CN220051636U - Portable steam turbine rotor blade demolishs instrument - Google Patents
Portable steam turbine rotor blade demolishs instrument Download PDFInfo
- Publication number
- CN220051636U CN220051636U CN202321203304.9U CN202321203304U CN220051636U CN 220051636 U CN220051636 U CN 220051636U CN 202321203304 U CN202321203304 U CN 202321203304U CN 220051636 U CN220051636 U CN 220051636U
- Authority
- CN
- China
- Prior art keywords
- rotor blade
- connecting rod
- impact
- steam turbine
- turbine rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003116 impacting effect Effects 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a portable steam turbine rotor blade dismantling tool, which comprises a connector and a connecting rod, wherein the connector is welded on the surface of a rotor blade shroud; the connecting rod comprises a connecting part with one end matched with the connecting body and a hit receiving part arranged at the end part of the other end; the impact part for impacting the impacted part is movably sleeved outside the connecting rod; after the connecting part of the connecting rod is connected with the connecting body, the impacting part impacts the impacted part to drive the rotor blade to be separated from the mounting wheel groove. By adopting the technical measure, the connector can be welded at the designated position according to the requirement, so that the acting force is used at the designated position during disassembly, and other positions of the rotor blade cannot be damaged; the rotor blade is not damaged due to excessive force, and the safety of operators is ensured by the cooperation of the impact part and the impacted part, which has simple structure and convenient use; meanwhile, the method has the technical advantages of short dismantling time and high dismantling efficiency.
Description
Technical Field
The utility model belongs to the field of turbine part assembly, and particularly relates to a portable turbine rotor blade dismantling tool.
Background
The steam turbine is a rotary machine which takes steam as power and converts the heat energy of the steam into mechanical work, and is the most widely applied prime mover in modern thermal power plants. Among them, rotor blades (rotor blades) are the most numerous and extremely important key components in a steam turbine, and play an important role in energy conversion.
For the turbine rotor blade, because the working environment is complex and severe, the turbine rotor blade needs to bear high-temperature steam water erosion generated by the impact of high-temperature high-pressure steam and high-speed wet steam, and meanwhile, impurity particles in the scale have a certain abrasion impact effect on the surface of the blade in the rotating process of the rotor, so that the service life of the rotor blade is short, and the rotor blade is replaced on the working site, which is one of frequently encountered overhauling works.
Because of the long-term working state of high temperature and high humidity, the rotor blade and the rotor wheel groove can be corroded together. The blade is typically constantly struck by a hand hammer to loosen the rotor blade from the rotor groove and then removed from the mounting groove. Because of individual differences among users of the hand hammer, the problems of deviation of the knocking position, overlarge knocking force and the like exist in the process of knocking the blade by using the hand hammer; when the knocking position and the knocking force are too large, the rotor blade is easily damaged, and meanwhile, the danger to operators is also easily caused. If the knocking force is too small, the rotor blade and the rotor wheel groove cannot be loosened, and meanwhile, the working efficiency is low.
Disclosure of Invention
The utility model aims at: aiming at the defects of the prior art, the portable steam turbine rotor blade dismantling tool is simple in structure, convenient to operate, safe to use, short in time consumption and high in efficiency.
The technical problems to be solved by the utility model are realized by the following technical scheme:
a portable steam turbine rotor blade dismantling tool comprises a connector and a connecting rod, wherein the connector is used for being welded on the surface of a rotor blade shroud; the connecting rod comprises a connecting part with one end matched with the connecting body and a hit receiving part arranged at the end part of the other end; the impact part for impacting the impacted part is movably sleeved outside the connecting rod; after the connecting part of the connecting rod is connected with the connecting body, the impacting part impacts the impacted part to drive the rotor blade to be separated from the mounting wheel groove.
The middle lower part of the connecting rod is provided with a limiting structure for preventing the impact component from slipping.
The limiting structure comprises a threaded hole arranged at the middle lower part of the connecting rod and a screw matched with the threaded hole.
The connecting body is in threaded connection with the connecting part of the connecting rod; the connecting body is a cylinder with external threads and used for being welded on the surface of the rotor blade shroud, and correspondingly, the connecting part is provided with a cylindrical groove with internal threads meshed with the external threads.
The impact part is of a plate-shaped structure/a columnar structure, and the end face of the impact part facing one side of the impact part is a flat impact surface; the impact member includes a columnar impact member body having a flat impact surface parallel to the impact surface on the end surface facing the impact receiving portion.
The impacted part is a disc, and the impacting part body is a cylinder provided with through holes penetrating through the upper end and the lower end of the impacting part body.
Handles convenient to grasp are arranged on two sides of the cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. the connecting body is welded on the surface of the rotor blade shroud, and the connecting rod is detachably connected with the connecting body; the connecting rod comprises a connecting part matched with the connecting body and an end part hit receiving part arranged at one end far away from the connecting part; the outside of the connecting rod is movably sleeved with an impact part for impacting the impacted part; after the connecting part of the connecting rod is connected with the connecting body, the impacting part impacts the impacted part to drive the rotor blade to separate from the installation wheel groove. By adopting the technical measure, the connector can be welded at the designated position according to the requirement, so that the acting force is used at the designated position during disassembly, and other positions of the rotor blade cannot be damaged; the rotor blade is not damaged due to excessive force, and the safety of operators is ensured by the cooperation of the impact part and the impacted part, which has simple structure and convenient use; meanwhile, the method has the technical advantages of short dismantling time and high dismantling efficiency.
2. The connecting body is in threaded connection with the connecting part of the connecting rod; the connecting body is a cylinder with external threads and used for being welded on the surface of the rotor blade shroud, and correspondingly, the connecting part is provided with a cylindrical groove with internal threads meshed with the external threads. By adopting the technical measure, the device has the technical advantages of simple structure, simple use and low use cost.
3. The impact part of the utility model is a plate-shaped structure/columnar structure, and the end surface of the impact part facing to one side of the impact part is a flat impact surface; the striking member has a columnar structure, and a flat striking surface parallel to the striking surface is provided on an end surface of the striking member facing the striking portion. By adopting the technical scheme, the device has the technical advantages of simple structure and low manufacturing cost.
4. The middle lower part of the connecting rod is provided with a limiting structure for preventing the impact component from slipping. Through being equipped with the limit structure that prevents the striking part slippage, the security when can improving the use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the connection body 2 of FIG. 1 welded to a surface of a rotor blade shroud 61;
fig. 3 is a schematic structural view of the connecting rod 1 in fig. 1;
FIG. 4 is a schematic view of A-A of FIG. 3;
fig. 5 is a schematic view of the structure of the impact member 3 in fig. 1;
reference numerals: 1-a connecting rod; 11-a connection part; 111-a cylindrical recess; 12-a hit portion;
121—a hit surface; 13-a threaded hole; 2-a linker; 3-an impact member; 31—a strike member body; 32-a handle; 33—an impact surface; 34-a through hole; 4-a screw; 5-rotor blades; 51-rotor blade shroud.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present utility model, it should be noted that the meaning of "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1 to 5, a portable steam turbine rotor blade removing tool comprises a connector 2 welded on the surface of a rotor blade shroud 51 and a connecting rod 1 detachably connected with the connector 2; the connecting rod 1 comprises a connecting part 11 matched with the connecting body 2 and an end part hit receiving part 12 arranged at one end far away from the connecting part 11; the outside of the connecting rod 1 is movably sleeved with an impact part 3 for impacting the impacted part 12; after the connecting part 11 of the connecting rod 1 is connected with the connecting body 2, the impacting part 3 impacts the impacted part 12 to drive the rotor blade 5 to be separated from the mounting wheel groove. By adopting the technical measure, the connector 2 can be welded at the designated position according to the requirement, so that the acting force is used at the designated position during disassembly, and the other positions of the rotor blade 5 cannot be damaged; the impact part 3 with simple structure and convenient use is matched with the impacted part 12 for disassembly, so that the rotor blade 5 is not damaged due to excessive force, and the safety of operators is ensured; meanwhile, the method has the technical advantages of short dismantling time and high dismantling efficiency.
As shown in fig. 1, 2 and 4, in actual use, the connecting body 2 is in threaded connection with the connecting portion 11 of the connecting rod 1; the connection body 2 is a cylinder provided with an external thread for welding to the surface of the rotor blade shroud 51, and the connection portion 11 is correspondingly provided with a cylindrical recess 111 of an internal thread for engagement with the external thread. The connector 2 may adopt a common screw rod, and correspondingly, the connecting part 11 is provided with a threaded hole matched with the screw rod. Other detachable connection structures, such as a lock catch, a buckle and the like, can be adopted between the connecting body 2 and the connecting part 11 to realize interconnection. By adopting the technical measure, the device has the technical advantages of simple structure, simple use and low use cost.
As shown in fig. 1, 3 and 5, the striking section 12 has a plate-like structure/columnar structure, and an end surface of the striking section facing the striking member 3 is a flat striking surface 121; the impact member 3 includes an impact member body 31 having a columnar structure, and an end surface facing the striking portion 12 side is a flat striking surface 33 parallel to the striking surface 121. In actual use, the hit portion 12 is a disc, a cylinder, a square disc, a square column, or the like; the impact member body 31 is a cylinder, square cylinder, hexagonal cylinder, or the like provided with through holes 34 penetrating the upper and lower ends thereof. The striking member body 31 is in clearance fit with the connecting rod 1 through the through hole 34, can slide up and down along the outside of the connecting rod 1, and drives the rotor blade 5 to be separated from the mounting wheel groove by controlling the striking part 12. By adopting the technical scheme, the device has the technical advantages of simple structure and low manufacturing cost.
In actual use, the impact member 3 further comprises a handle 32 provided on the impact member body 31, i.e. handles 32 for easy gripping are provided on both sides of the cylinder.
As shown in fig. 1, 3 and 5, the middle lower part of the connecting rod 1 is provided with a limit structure for preventing the impact member 3 from slipping off. When in actual use, after the impact part 3 is sleeved outside the connecting rod 1, the impact part can slide downwards, if the operation is improper, the impact part 3 falls down and can crush the rotor blade 5 or operators, so that the problem of unsafe use exists. Therefore, by providing the stopper structure for preventing the striking member 3 from slipping off, safety in use can be improved.
In actual use, the limiting structure can adopt a pin hole arranged at the middle lower part of the connecting rod 1 and a pin shaft matched with the pin hole, a threaded hole 13 arranged at the middle lower part of the connecting rod 1 and a screw 4 matched with the threaded hole 13, an annular groove arranged at the middle lower part of the connecting rod 1 and a snap ring matched with the annular groove, and the like.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It should be noted that any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The portable steam turbine rotor blade dismantling tool is characterized by comprising a connecting body (2) and a connecting rod (1), wherein the connecting body (2) is welded on the surface of a rotor blade shroud (51), and the connecting rod is detachably connected with the connecting body (2); the connecting rod (1) comprises a connecting part (11) with one end matched with the connecting body (2) and a hit receiving part (12) arranged at the end part of the other end; an impact part (3) for impacting the impacted part (12) is movably sleeved outside the connecting rod (1); after the connecting part (11) of the connecting rod (1) is connected with the connecting body (2), the impacting part (3) impacts the impacted part (12) to drive the rotor blade (5) to be separated from the mounting wheel groove.
2. The portable steam turbine rotor blade removal tool of claim 1, wherein the lower-middle portion of the connecting rod (1) is provided with a limiting structure for preventing the striking member (3) from slipping.
3. The portable steam turbine rotor blade removal tool of claim 2, wherein the limiting structure comprises a threaded hole (13) provided in a lower-middle portion of the connecting rod (1) and a screw (4) engaged with the threaded hole (13).
4. The portable steam turbine rotor blade removal tool of claim 1,
the connecting body (2) is in threaded connection with the connecting part (11) of the connecting rod (1); the connecting body (2) is a cylinder with external threads and used for being welded on the surface of the rotor blade shroud (51), and correspondingly, the connecting part (11) is provided with a cylindrical groove (111) with internal threads meshed with the external threads.
5. The portable steam turbine rotor blade removal tool of claim 1,
the impact receiving part (12) is of a plate-shaped structure/a columnar structure, and the end face of the impact receiving part facing the side of the impact member (3) is a flat impact receiving surface (121); the impact member (3) includes a columnar impact member body (31) having a flat impact surface (33) parallel to the impact surface (121) on the end surface facing the impact receiving portion (12).
6. The portable steam turbine rotor blade removal tool of claim 5,
the impacted part (12) is a disc, and the impacting part body (31) is a cylinder provided with through holes (34) penetrating through the upper end and the lower end of the impacting part body.
7. The portable steam turbine rotor blade removal tool of claim 6,
handles (32) for facilitating gripping are arranged on two sides of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321203304.9U CN220051636U (en) | 2023-05-18 | 2023-05-18 | Portable steam turbine rotor blade demolishs instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321203304.9U CN220051636U (en) | 2023-05-18 | 2023-05-18 | Portable steam turbine rotor blade demolishs instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220051636U true CN220051636U (en) | 2023-11-21 |
Family
ID=88787007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321203304.9U Active CN220051636U (en) | 2023-05-18 | 2023-05-18 | Portable steam turbine rotor blade demolishs instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220051636U (en) |
-
2023
- 2023-05-18 CN CN202321203304.9U patent/CN220051636U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110125858A (en) | Anvil block for impact wrench | |
| CN204800588U (en) | Quick switching instrument | |
| CN204796177U (en) | Power tool | |
| CN203438194U (en) | Assisting hammer | |
| CN220051636U (en) | Portable steam turbine rotor blade demolishs instrument | |
| CN111395951B (en) | Heavy-calibre reverse circulation impact system | |
| CN104196445A (en) | Deflection-swinging type semi-automatic rod replacing hydraulic rock drilling machine | |
| CN204019479U (en) | A kind ofly move back the removal tool special that bolt is used | |
| CN206287070U (en) | A kind of anti-skidding word solution knife | |
| TWM460752U (en) | Pneumatic ratchet wrench | |
| CN108942768A (en) | A kind of small-sized DC bumping electric spanner | |
| CN204860069U (en) | Mover | |
| CN204321223U (en) | Boring deburring tool | |
| CN105150146A (en) | Striking wrench | |
| CN209774564U (en) | roller friction type clutch and electric wrench with same | |
| CN202271344U (en) | Disassembling tool of diesel injector | |
| CN222177599U (en) | Electric broken wire extractor | |
| CN204772388U (en) | Anchoring device anchor pin blocks not hard up instrument | |
| CN209887519U (en) | Auxiliary dismounting device for moving blade repaired by steam turbine rotor | |
| CN217225323U (en) | Sliding hammer impact unclamping tool | |
| CN217292119U (en) | Special spanner for steam turbine coupling bolt | |
| CN222222491U (en) | Drill rod | |
| CN212123124U (en) | Screw removing tool | |
| CN208261947U (en) | A kind of profile milling cutter for being easily installed and dismantling | |
| CN204163656U (en) | Anti-falling-off sucker rod combination wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |