CN219576810U - Key pulling device for magnetic pole of hydraulic generator - Google Patents
Key pulling device for magnetic pole of hydraulic generator Download PDFInfo
- Publication number
- CN219576810U CN219576810U CN202320442191.1U CN202320442191U CN219576810U CN 219576810 U CN219576810 U CN 219576810U CN 202320442191 U CN202320442191 U CN 202320442191U CN 219576810 U CN219576810 U CN 219576810U
- Authority
- CN
- China
- Prior art keywords
- key
- wedge
- magnetic pole
- pulling
- wedge key
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to the field of hydraulic generators, and discloses a hydraulic generator magnetic pole key pulling device which comprises a wedge key A, a wedge key B and a key pulling body. The utility model adopts the wedge-shaped matching principle, the magnetic pole key is assembled between the wedge key A and the wedge key B, the wedge key A and the wedge key B are assembled in the key pulling body together with the magnetic pole key, the key pulling body is pulled upwards through the crane hook and the upward pulling force of the steel wire rope, the wedge key A and the wedge key B are matched with the key pulling body in a wedge shape, the wedge key A and the wedge key B are pulled more tightly, the magnetic pole key is tightly fixed in the pair of the wedge key A and the wedge key B, and the upward pulling force of the key pulling body is transmitted to the wedge key A and the wedge key B to pull the magnetic pole key upwards, so that the magnetic pole key is pulled out safely and reliably. The utility model has the advantages of simple and convenient operation, high safety, improved maintenance efficiency and the like, is suitable for pulling out the magnetic pole keys in the machine pits or between installations of the power plant daily, and has great popularization and application values.
Description
Technical Field
The utility model relates to the field of hydraulic generators, in particular to a hydraulic generator magnetic pole key pulling device.
Background
When the magnetic pole of the hydraulic generator is overhauled and maintained in daily life, the magnetic pole is frequently pulled out when the fault is found, the work is time-consuming and labor-consuming, and a certain risk exists. When the magnetic pole key is pulled out in the past, the screw or the nut is welded on the upper end face of the magnetic pole key, and is tied on the screw or the nut through a steel wire rope and is pulled upwards by a crane, but in the mode, the welding seam is extremely easy to crack in the upward pulling process, so that the nut or the screw is splashed, and a certain risk exists.
Disclosure of Invention
The utility model aims to disclose a magnetic pole key pulling device of a hydraulic generator, which has the characteristics of simple and convenient operation, maintenance efficiency improvement and the like.
In the magnetic pole key pulling device of the hydraulic generator, the key pulling body is of a T-shaped structure, a phi 25 hole is formed in the upper end of the key pulling body, a lock catch penetrates into the key, the lock catch is connected with a steel wire rope, the steel wire rope is connected with a hook of a crane, 20-degree inclined planes are symmetrically arranged on the left and right sides of the lower portion of the key pulling body, and the inclined planes are matched with the wedge key A and the wedge key B respectively.
In the magnetic pole key pulling device of the hydraulic generator, the wedge key A is provided with a 20-degree inclined plane, the other surface of the wedge key A is matched with the magnetic pole key, the wedge key B is also provided with a 20-degree inclined plane, the other surface of the wedge key B is matched with the magnetic pole key, and the wedge key A and the wedge key B form a pair of wedge keys.
In the hydraulic generator magnetic pole key pulling device, the magnetic pole key material is forged steel 35#, and is provided with 1:200 inclined planes are tightly pressed through the matching of the inclined planes, and the magnetic poles are fixed in the magnetic yoke by utilizing the magnetic pole keys.
Compared with the prior art, the utility model has the beneficial effects that:
1. the design structure is simple, and the on-site manufacturing is convenient;
2. the operation is simple and convenient, and the overhaul efficiency can be obviously improved;
3. the safety is high, and potential safety hazards are effectively eliminated;
4. the wedge key can effectively protect the magnetic pole key from breaking in the pulling-out process.
Drawings
Fig. 1 is a schematic view of a pole key device.
Fig. 2 is a schematic drawing of a key body.
Fig. 3 is a schematic view of a key a.
Fig. 4 is a schematic view of a key B.
Fig. 5 is a schematic view of a magnetic pole key.
The figure indicates: 1-pulling out a key body; 2-wedge bond A; 3-wedge bond B; 4-magnetic pole bond.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model is composed of a wedge key A2, a wedge key B3 and a key pulling body 1, a magnetic pole key 4 is assembled between a pair of wedge keys A2 and B3, and the wedge key A2, B3 and the magnetic pole key 4 are assembled in the key pulling body 1 together.
The specific implementation steps are as follows:
referring to fig. 1, a wedge key A2 and a wedge key B3 are assembled and connected with a magnetic pole key 4, an upper end section with the length of about 50mm of the magnetic pole key 4 is assembled at the middle position of the wedge key A2 and the wedge key B3, and the wedge key A2, the wedge key B3 and the magnetic pole key 4 are assembled in a key pulling body 1 together;
referring to fig. 2, a lock catch is penetrated into a hole with the diameter of 25mm at the upper end of the key pulling body 1, the lock catch is connected with a steel wire rope, the steel wire rope is connected with a hook of a crane, 20-degree inclined planes are symmetrically arranged at the left and right sides of the lower part of the key pulling body 1, and the inclined planes are respectively matched with a wedge key A2 and a wedge key B3;
referring to fig. 3 to 4, the wedge key A2 is provided with a 20 ° inclined plane, the other surface is matched with the magnetic pole key 4, the wedge key B3 is also provided with a 20 ° inclined plane, the other surface is matched with the magnetic pole key 4, and the wedge key A2 and the wedge key B3 form a pair of wedge keys.
Specifically, the magnetic pole key pulling device adopts the wedge-shaped matching principle, the key pulling body 1 transmits pulling force to the wedge key A2 and the wedge key B3 through the inclined plane under the action of crane pulling force, the wedge key A2 and the wedge key B3 are matched through the wedge shape, knurling is arranged on the matching surface of the magnetic pole key 4, slipping in the relative sliding process is avoided, the wedge key A2 and the wedge key B3 are pulled more tightly in the inclined plane direction, the magnetic pole key 4 is transmitted to strongly act pulling force through the tensioning force, the magnetic pole key 4 is tightly plugged between the wedge key A2 and the wedge key B3, frequent cracking of welding lines between a screw or a nut and the magnetic pole key 4 during pulling of the traditional magnetic pole key is avoided, and the welding lines need to be welded again for a plurality of times, so that the field maintenance efficiency is improved.
In the process of pulling up the magnetic pole key 4, the key body 1 is pulled up to transfer strong pulling force to the wedge key A2 and the wedge key B3, and the wedge key A2 and the wedge key B3 are pulled down to transfer strong acting pulling force to the magnetic pole key 4, so that the magnetic pole key 4 is pulled out smoothly under the strong pulling force, and the magnetic pole is pulled out of the magnetic yoke.
After the magnetic pole key 4 is pulled out, the steel wire rope and the lock catch are removed, the wedge key A2 and the wedge key B3 are knocked by a hammer, the magnetic pole key 4 is removed, and the wedge key A2 and the wedge key B3 are removed.
The foregoing is merely an embodiment of the present utility model, and the present utility model is not limited thereto, and any simple modification, variation and equivalent structural changes made to the foregoing embodiment according to the technical matter of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (4)
1. A hydro-generator magnetic pole key pulling device is characterized in that: the key comprises a key A (2), a key B (3) and a key pulling body (1), wherein a magnetic pole key (4) is assembled between the key A (2) and the key B (3), and the key A (2), the key B (3) and the magnetic pole key (4) are assembled in the key pulling body (1).
2. The hydro-generator pole key-pulling device of claim 1, wherein: the key pulling body (1) is of a T-shaped structure, a phi 25 hole is formed in the upper end of the key pulling body, a lock catch penetrates into the key, the lock catch is connected with a steel wire rope, the steel wire rope is connected with a hook of a crane, 20-degree inclined planes are symmetrically arranged on the left and right sides of the lower portion of the key pulling body (1), and the inclined planes are matched with the wedge key A (2) and the wedge key B (3) respectively.
3. The hydro-generator pole key-pulling device of claim 1, wherein: the wedge key A (2) is provided with a 20-degree inclined plane, the other surface of the wedge key A is matched with the magnetic pole key (4), the wedge key B (3) is also provided with a 20-degree inclined plane, the other surface of the wedge key A is matched with the magnetic pole key (4), and the wedge key A (2) and the wedge key B (3) form a pair of wedge keys.
4. The hydro-generator pole key-pulling device of claim 1, wherein: the magnetic pole key (4) is made of forged steel 35# and is provided with a structure 1:200 inclined plane, the magnetic pole is fixed in the magnetic yoke by the magnetic pole key (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320442191.1U CN219576810U (en) | 2023-03-10 | 2023-03-10 | Key pulling device for magnetic pole of hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320442191.1U CN219576810U (en) | 2023-03-10 | 2023-03-10 | Key pulling device for magnetic pole of hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219576810U true CN219576810U (en) | 2023-08-22 |
Family
ID=87653833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320442191.1U Active CN219576810U (en) | 2023-03-10 | 2023-03-10 | Key pulling device for magnetic pole of hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219576810U (en) |
-
2023
- 2023-03-10 CN CN202320442191.1U patent/CN219576810U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219576810U (en) | Key pulling device for magnetic pole of hydraulic generator | |
| CN109252521A (en) | Steel-pipe pile extracts equipment and its construction method in confined space water under girder steel | |
| CN220811592U (en) | Auxiliary device for quick advance and withdrawal of lifting hook movable pulley | |
| CN103259213A (en) | Puller for wiring pile | |
| CN203289001U (en) | Wiring pile extractor | |
| CN212865935U (en) | Pile pulling device of pile driving and pulling machine | |
| CN209919791U (en) | Extracting tool for coupling bolt pin bush of generator set | |
| CN204309091U (en) | The automatic attaching/detaching apparatus of a kind of small box girder internal mold | |
| CN211145074U (en) | Roughening device suitable for foundation bolt | |
| CN204569127U (en) | Steel upright post hoisting jig | |
| CN219116998U (en) | Be used for horizontal hydroelectric set runner lifting device | |
| CN216190418U (en) | Special tool for opening cable cover plate | |
| CN200989410Y (en) | Wedge sleeve device | |
| CN206913060U (en) | Pin shaft pulling-out device | |
| CN217563489U (en) | High-efficient convenient hydrogenerator rotor magnetic pole key dismounting device | |
| CN220915110U (en) | Device is extracted to hydro-generator rotor magnetic pole key | |
| CN202249826U (en) | Short spiral drilling tool with built-in safety protection device | |
| CN217398331U (en) | Large bolt hoisting device for steam turbine joint surface | |
| CN202878161U (en) | Fixing device used for tightening of steel rope driven by horizontal type loop | |
| CN201455904U (en) | Rapid removal device of slag vertical mill grinding roll taper pin | |
| CN215711038U (en) | Edge guard plate hoisting structure | |
| CN218403373U (en) | A portable hoisting point of chain block for case roof beam steel construction border | |
| CN212305053U (en) | Convenient operation's hydraulic generator rotor magnetic pole key's dismounting device | |
| CN218194938U (en) | Pin pulling device | |
| CN210524952U (en) | Wellhead steel ring taking-out clamp flaring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |