CN214314966U - Water turbine motor rotor magnetic pole key pulling-out device - Google Patents
Water turbine motor rotor magnetic pole key pulling-out device Download PDFInfo
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- CN214314966U CN214314966U CN202120576952.3U CN202120576952U CN214314966U CN 214314966 U CN214314966 U CN 214314966U CN 202120576952 U CN202120576952 U CN 202120576952U CN 214314966 U CN214314966 U CN 214314966U
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- supporting plate
- magnetic pole
- key
- connecting piece
- turbine motor
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Abstract
The utility model discloses a hydraulic turbine electric motor rotor magnetic pole key extraction element, include: the connecting component is used for transmitting acting force required for pulling out the magnetic pole key and comprises a connecting piece and a supporting plate, wherein one end of the connecting piece is connected with the middle part of the supporting plate and is vertical to the supporting plate, and the connecting piece and the supporting plate are of a T-shaped structure; the driving piece is a pair of jacks, the jacks are symmetrically arranged on two sides of the connecting piece, and the output end of the jack is abutted to the end of the supporting plate. The utility model discloses compare in directly knocking the short key, it is higher to extract efficiency, compares simultaneously in adopting the puller will directly extract the long key, does not need extra fixed motor position when this magnetic pole key extraction device uses, operates more simply during the use.
Description
Technical Field
The utility model belongs to hydraulic turbine magnetic pole key dismounting device equipment especially relates to a hydraulic turbine electric motor rotor magnetic pole key extraction element.
Background
The disassembly of the magnetic pole keys of the rotor of the hydraulic generator is very difficult, the magnetic pole keys are structurally keys with the inclination ratio of 1:200 and are divided into two types, namely long keys and short keys, and the long keys and the short keys form a pair of magnetic pole keys. After the magnetic pole keys are tightened, the inclined planes of the long and short keys are matched very tightly and are difficult to pull out, the short keys are hammered downwards by the conventional method, so that the inclined planes of the long and short keys are matched to generate gaps or the long keys are moved upwards by a puller, and the two methods are difficult to pull out the magnetic pole keys which have long operation time and generate rust for a unit.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the technical problem who provides in the background art, and the device is extracted to a hydraulic turbine electric motor rotor magnetic pole key that provides.
In order to achieve the above purpose, the present invention adopts the following technical solution. A kind of hydraulic turbine electrical machinery trochanter magnetic pole key pulling-out device, comprising: the connecting component is used for transmitting acting force required for pulling out the magnetic pole key and comprises a connecting piece and a supporting plate, wherein one end of the connecting piece is connected with the middle part of the supporting plate and is vertical to the supporting plate, and the connecting piece and the supporting plate are of a T-shaped structure; the driving piece is a pair of jacks, the jacks are symmetrically arranged on two sides of the connecting piece, and the output end of the jack is abutted to the end of the supporting plate.
Preferably, the connecting piece comprises a threaded rod and a nut, a perforation is formed in the middle of the supporting plate, the middle of the threaded rod is sleeved with the perforation, the nut is sleeved at the upper end of the threaded rod in a threaded manner, and the outer diameter of the nut is larger than the aperture of the perforation.
Preferably, the connecting piece is a connecting plate, a connecting port is formed in the middle of the connecting plate, and the middle of the supporting plate penetrates through the connecting port.
Preferably, a limiting protrusion is arranged above the middle of the supporting plate, a limiting groove used for clamping the limiting protrusion is formed in the top wall of the connecting port, and the thickness of the connecting port is larger than the maximum thickness of the middle of the supporting plate.
Preferably, the magnetic sheet is embedded in the limiting protrusion, and the connecting plate is made of magnetic metal.
Preferably, friction layers are symmetrically arranged at two ends of the lower side of the supporting plate and are subjected to sanding treatment.
Compared with the prior art, the beneficial effects of the utility model are that: by arranging the jacks, the supporting plate and the connecting piece, when the magnetic pole key dismounting device is used, the two jacks simultaneously push the supporting plate upwards, the supporting plate drives the long key to upwards displace through the connecting piece, a gap is generated between the long key and the short key when the long key and the short key are matched with the inclined plane, then the short key is hammered downwards, and the magnetic pole key is dismounted; this mode is compared in directly knocking the short key, and it is higher to extract efficiency, compares simultaneously in adopting the puller will directly extract the long key, does not need extra fixed motor position when this magnetic pole key extraction device uses, operates more simply during the use.
Drawings
Fig. 1 is a schematic front view of a magnetic pole key extraction device of a motor rotor of a water turbine according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a magnetic pole key extraction device of a motor rotor of a water turbine according to a second embodiment of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a side view schematic structural diagram of the pole key extraction device of the electric motor rotor of the water turbine according to the second embodiment of the present invention.
In the figure: 1 machine body, 2 long keys, 3 short keys, 4 supporting plates, 5 jacks, 6 threaded rods, 7 nuts, 8 connecting plates, 9 connecting ports, 10 friction layers, 11 limiting bulges and 12 magnetic sheets.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. In the description of the present invention, the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, and is only for convenience of description of the present invention and simplification of description, and the restriction of the present invention cannot be understood.
The first embodiment is as follows: referring to fig. 1, a pole key extraction device for a water turbine motor rotor includes: the connecting component is used for transmitting acting force required for pulling out the magnetic pole key and comprises a connecting piece and a supporting plate 4, one end of the connecting piece is connected with the middle part of the supporting plate 4 and is vertical to the supporting plate 4, and the connecting piece and the supporting plate 4 are in a T-shaped structure; the driving piece is used for providing the acting force required for pulling out the magnetic pole key, the driving piece is a pair of jacks 5, the two jacks 5 are symmetrically arranged on two sides of the connecting piece, and the output end of the driving piece is abutted to the end part of the supporting plate 4. When the motor is used, one end of the connecting piece, which is far away from the supporting plate 4, is welded with the long key 2 in the magnetic pole key, so that the connecting piece and the long key 2 are coaxially arranged, the two jacks 5 are fixedly arranged on the motor body 1 of the motor at the same time, the jacks 5 are driven at the moment, the two jacks 5 simultaneously push the supporting plate 4 upwards, the supporting plate 4 drives the long key 2 to upwards generate displacement through the connecting piece, the long key 2 and the short key 3 are matched with the inclined plane to generate a gap, the short key 3 is hammered downwards, and the magnetic pole key is detached;
this mode is compared in directly knocking short key 3, and it is higher to extract efficiency, compares simultaneously in adopting the puller will directly extract long key 2, does not need extra fixed motor position when this magnetic pole key extraction device uses, operates simplyr during the use.
As a more preferable technical scheme in this embodiment, the connecting member includes a threaded rod 6 and a nut 7, a through hole is formed in the middle of the supporting plate 4, and the through hole is sleeved in the middle of the threaded rod 6, the nut 7 is sleeved on the upper end of the threaded rod 6 in a threaded manner, and the outer diameter of the nut 7 is larger than the aperture of the through hole; when the lifting device is used specifically, the lower end of the threaded rod 6 is welded with the long key 2, when the supporting plate 4 is jacked upwards by the jack 5, the middle part of the supporting plate 4 exerts an upward acting force on the nut 7, and the nut 7 transmits the acting force to the threaded rod 6, so that the long key 2 is pulled out.
Example two: referring to fig. 2-4, the difference between the first embodiment and the second embodiment is that the connecting member is a connecting plate 8, a connecting port 9 is formed in the middle of the connecting plate 8, and the middle of the supporting plate 4 penetrates through the connecting port 9; when the long key 2 is used specifically, the lower side of the connecting plate 8 is welded with the long key 2, when the supporting plate 4 is jacked up, the middle part of the supporting plate 4 is abutted to the top wall of the connecting port 9, and then the connecting plate 8 is jacked up upwards, so that the long key 2 is pulled out; compared with the previous embodiment, in the embodiment, the middle of the supporting plate 4 is not required to be provided with a through hole, so that the overall stability of the supporting plate 4 is higher, the supporting plate 4 is not easy to radially bend, the pulling-out process of the long key 2 is more stable, and the assembly is more convenient.
As a more preferable technical solution in this embodiment, a limiting protrusion 11 is disposed above the middle portion of the supporting plate 4, a limiting groove for clamping the limiting protrusion 11 is disposed on the top wall of the connecting port 9, and the thickness of the connecting port 9 is greater than the maximum thickness of the middle portion of the supporting plate 4; during specific assembly, the limiting protrusions 11 on the supporting plate 4 are clamped in the limiting grooves, so that the relative positions of the supporting plate 4 and the connecting plate 8 are fixed, and deviation cannot be generated in the process of ejecting the long key 2.
According to a further preferable technical scheme, magnetic sheets 12 are embedded in the limiting protrusions 11, and the connecting plate 8 is made of magnetic metal; through this structure for spacing protruding 11 also can stably adsorb in spacing recess when not having other effort.
As an optional technical solution in this embodiment, friction layers 10 are symmetrically disposed at two ends of the lower side of the support plate 4, and the friction layers 10 are subjected to sanding treatment; particularly, by arranging the friction layer 10, the contact stability of the output end of the jack 5 and the support plate 4 can be greatly improved.
Claims (6)
1. The utility model provides a hydraulic turbine motor rotor magnetic pole key pulling-out device which characterized in that includes: the connecting assembly is used for transmitting acting force required by pulling out the magnetic pole key and comprises a connecting piece and a supporting plate (4), one end of the connecting piece is connected with the middle part of the supporting plate (4) and is perpendicular to the supporting plate (4), and the connecting piece and the supporting plate are of T-shaped structures; the driving piece is used for providing acting force required for pulling out the magnetic pole key, the driving piece is a pair of jacks (5), the jacks (5) are symmetrically arranged on two sides of the connecting piece, and the output end of the driving piece is abutted to the end part of the supporting plate (4).
2. The extraction device for the pole keys of the rotor of the hydraulic turbine motor as claimed in claim 1, wherein the connecting member comprises a threaded rod (6) and a nut (7), a through hole is formed in the middle of the supporting plate (4), the threaded rod (6) is sleeved with the through hole, the nut (7) is sleeved on the upper end of the threaded rod (6) in a threaded manner, and the outer diameter of the nut (7) is larger than the aperture of the through hole.
3. The pole key extraction device of the water turbine motor rotor as claimed in claim 1, wherein the connecting member is a connecting plate (8), a connecting port (9) is formed in the middle of the connecting plate (8), and the middle of the support plate (4) penetrates through the connecting port (9).
4. The water turbine motor rotor magnetic pole key extraction device as claimed in claim 3, wherein a limiting protrusion (11) is arranged above the middle of the support plate (4), a limiting groove for clamping the limiting protrusion (11) is formed in the top wall of the connection port (9), and the thickness of the connection port (9) is larger than the maximum thickness of the middle of the support plate (4).
5. The extraction device for the pole keys of the rotor of the water turbine motor as claimed in claim 4, wherein magnetic sheets (12) are embedded in the limiting protrusions (11), and the connecting plate (8) is made of magnetic metal.
6. The extraction device for the pole keys of the rotor of the water turbine motor as claimed in any one of claims 1 to 5, wherein friction layers (10) are symmetrically arranged at two ends of the lower side of the support plate (4), and the friction layers (10) are subjected to sanding treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120576952.3U CN214314966U (en) | 2021-03-22 | 2021-03-22 | Water turbine motor rotor magnetic pole key pulling-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120576952.3U CN214314966U (en) | 2021-03-22 | 2021-03-22 | Water turbine motor rotor magnetic pole key pulling-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214314966U true CN214314966U (en) | 2021-09-28 |
Family
ID=77837073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120576952.3U Active CN214314966U (en) | 2021-03-22 | 2021-03-22 | Water turbine motor rotor magnetic pole key pulling-out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214314966U (en) |
-
2021
- 2021-03-22 CN CN202120576952.3U patent/CN214314966U/en active Active
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