CN214642386U - Large-scale hydraulic generator stator line stick grinding tool - Google Patents
Large-scale hydraulic generator stator line stick grinding tool Download PDFInfo
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- CN214642386U CN214642386U CN202120438841.6U CN202120438841U CN214642386U CN 214642386 U CN214642386 U CN 214642386U CN 202120438841 U CN202120438841 U CN 202120438841U CN 214642386 U CN214642386 U CN 214642386U
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- generator stator
- extension rod
- stator bar
- polishing
- grinding tool
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Abstract
The utility model provides a large-scale hydraulic generator stator bar burnisher, includes the extension rod, the extension rod comprises a hollow outer pole and a nested hollow interior pole in the outer pole, and interior pole can stretch out and draw back in the outer pole, and one side fixedly connected with head of polishing on interior pole top is provided with abrasive paper on the head of polishing, outer pole comprises the sleeve pipe that a plurality of root from outer to interior pipe diameter dwindles in proper order. By arranging the extension rod structure made of the telescopic metal material, the length of the extension rod can be freely adjusted according to different actual polishing positions on site, and the requirement on operation space is reduced; through the extension rod structure that sets up retractable, can freely adjust extension rod length according to the difference of the actual position of polishing in scene, the handheld extension rod of operator polishes hydraulic generator stator bar to reduce the demand to the field operation space.
Description
Technical Field
The utility model belongs to hydroelectric engineering overhauls and maintains the field, concretely relates to large-scale hydraulic generator stator bar grinding tool.
Background
In the installation process of a stator bar of a large hydraulic generator, the sloping edge cushion block between the bars can generate glue lumps after solidification of solidified curing glue on a binding band after binding, paint lumps or burrs can be generated on the bar after the bar is painted, corona discharge or insulation breakdown can be generated in the operation process of the generator, and the sloping edge cushion block is an important factor influencing the stable operation of the generator.
After the installation of the generator stator bar is completed, the stator bar needs to be polished to remove rubber bumps, paint bumps or burrs between the bars, the existing polishing method is that one person uses an electric tube to illuminate, and the other person uses abrasive paper to wrap a long wood block to polish the stator bar.
The prior polishing device has the following defects:
(1) because the stator bar of the large hydraulic generator is wide, the width of the stator bar reaches about 40 centimeters after the upper layer bar and the lower layer bar are installed, and the distance between the bars is small, the lighting on the grinding position is insufficient, the requirement on the field operation space is very large, and the thorough and accurate grinding is difficult due to the influence of factors such as lighting, space and the like;
(2) the wood block is long, great force is needed when the extension bar is used, the shaking amplitude of the tail end of the extension bar is large, the extension bar is easy to collide with the internal intact bar insulation, and the bar insulation is damaged;
(3) the wood blocks wrapped by the sand paper cannot be finely ground, and the ground finished product cannot meet the requirements of beauty or technology.
Disclosure of Invention
An object of the utility model is to provide a large-scale hydraulic generator stator bar grinding tool to there is the technical problem that is difficult to accurately polish, collides the insulating finished product that causes insulating damage and after polishing in the time of using easily among the solution prior art and can't satisfy pleasing to the eye or technical requirement.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a large-scale hydraulic generator stator bar grinding tool, includes the extension rod, the extension rod comprises a hollow outer pole and a hollow interior pole of nestification in the outer pole, and interior pole can stretch out and draw back in the outer pole, one side fixedly connected with grinding head on interior pole top.
Furthermore, the outer rod is composed of a plurality of sleeves with the pipe diameters sequentially reduced from outside to inside.
Further, the outer rod is made of a metal material.
Furthermore, the polishing head is square, a threaded hole is formed in the polishing head, and the abrasive paper is installed on the polishing head through a bolt and a self-locking washer.
Furthermore, the inner rod is made of a light-permeable toughened glass material, and an LED lamp tube is further installed in the inner rod.
Furthermore, one end of the outer rod, which is far away from the inner rod, is provided with an accommodating cavity, a storage battery is installed in the accommodating cavity, and the storage battery is electrically connected with the LED lamp tube through a power line.
Furthermore, the polishing head is fixedly connected with the inner rod through a support.
The utility model has the advantages that:
1. the length of the extension rod can be freely adjusted according to different actual polishing positions on site by arranging the telescopic extension rod, an operator can hold the extension rod by hand to polish the stator bar of the hydraulic generator, and therefore the requirement on the site operation space is reduced;
2. by arranging the square polishing head, when polishing, the abrasive paper can be tightly attached and contacted with the outer surface of the stator bar of the hydraulic generator, the polishing area is larger, the stress is more uniform, no dead angle exists, the labor intensity is reduced, and meanwhile, the polishing effect is improved;
3. the utility model provides the high hydraulic generator stator bar quality of polishing makes hydraulic generator stator bar work of polishing more convenient safety, reduces the hydraulic generator operation in-process and produces corona discharge or insulation breakdown's possibility, promotes hydraulic generator operational reliability from this.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a right side view of the present invention;
in the figure, an extension rod 1, an outer rod 2, an inner rod 3, a polishing head 4, a support 5, an LED lamp tube 6, a power line 7, an accommodating cavity 8, a storage battery 9 and a threaded hole 10 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a large-scale hydro-generator stator bar polishing tool comprises an extension rod 1, wherein the extension rod 1 comprises a hollow outer rod 2 and a hollow inner rod 3 nested in the outer rod 2, the inner rod 3 can stretch out and draw back in the outer rod 2, the outer rod 2 comprises a plurality of sleeves with sequentially reduced pipe diameters from outside to inside, the outer rod 2 is made of metal materials, the length of the extension rod 2 can be freely adjusted according to different actual polishing positions on site by arranging the telescopic extension rod 1 made of metal materials, an operator can polish the stator bar of the hydro-generator by holding the extension rod 2 with hands, so that the requirement on site operation space is reduced, a polishing head 4 is fixedly connected to one side of the top end of the inner rod 3, the polishing head 4 is fixedly connected with the inner rod 3 through a bracket 5, an abrasive paper is arranged on the polishing head 4, the polishing head 4 is square, and is arranged on the polishing head 4 through a bolt and a self-locking gasket, by arranging the square polishing head 4, when polishing, the abrasive paper can be tightly attached and contacted with the outer surface of the stator bar of the hydraulic generator, the polishing area is larger, the stress is more uniform, no dead angle exists, the labor intensity is reduced, and the polishing effect is improved, the abrasive paper is fixed on the polishing head 4 through the bolt and the self-locking gasket, so that the abrasive paper can be more firmly fixed on the polishing head 4 to prevent the abrasive paper from falling off due to friction and other reasons in the polishing process, the inner rod 3 is made of a light-permeable toughened glass material, the LED lamp tube 6 is also arranged in the inner rod 3, one end of the outer rod 2, far away from the inner rod 3, is provided with an accommodating cavity 8, the accommodating cavity 8 is internally provided with a storage battery 9, the storage battery 9 is electrically connected with the LED lamp tube 6 through a power line 7, through setting up interior pole 3 by toughened glass material makes to install LED fluorescent tube 6 in interior pole 3, provide the operating condition for the meticulous polishing in the insufficient space of illumination.
During the use, fix on 4 polishing heads with bolt and auto-lock gasket for the abrasive paper that will cut in advance, adjust the length of extension rod 1 according to the degree of depth of the position of polishing, install battery 9 in holding chamber 8, open LED fluorescent tube 6, then the handheld extension rod 1 of operator polishes hydraulic generator stator bar.
To sum up, the utility model provides high hydraulic generator stator bar quality of polishing makes hydraulic generator stator bar work of polishing more convenient safety, reduces the hydraulic generator operation in-process and produces corona discharge or insulation breakdown's possibility, promotes hydraulic generator operational reliability from this.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (7)
1. The utility model provides a large-scale hydraulic generator stator bar grinding tool, includes extension rod (1), its characterized in that: extension rod (1) comprises a hollow outer pole (2) and a hollow interior pole (3) of nestification in outer pole (2), and interior pole (3) can stretch out and draw back in outer pole (2), and one side fixedly connected with head (4) of polishing on interior pole (3) top is provided with abrasive paper on head (4).
2. The large hydro-generator stator bar grinding tool of claim 1, wherein: the outer rod (2) is composed of a plurality of sleeves with pipe diameters sequentially reduced from outside to inside.
3. A large hydro-generator stator bar grinding tool according to claim 1 or 2, wherein: the outer rod (2) is made of a metal material.
4. The large hydro-generator stator bar grinding tool of claim 1, wherein: the sanding head (4) is square, a threaded hole (10) is formed in the sanding head (4), and the abrasive paper is installed on the sanding head (4) through a bolt and a self-locking washer.
5. The large hydro-generator stator bar grinding tool of claim 1, wherein: the inner rod (3) is made of a light-permeable toughened glass material, and an LED lamp tube (6) is further installed in the inner rod (3).
6. A large-scale hydraulic generator stator bar grinding tool of claim 5, characterized in that: one end of the outer rod (2) far away from the inner rod (3) is provided with a containing cavity (8), a storage battery (9) is installed in the containing cavity (8), and the storage battery (9) is electrically connected with the LED lamp tube (6) through a power line (7).
7. A large-scale hydraulic generator stator bar grinding tool according to claim 1 or 4, characterized in that: the polishing head (4) is fixedly connected with the inner rod (3) through a support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120438841.6U CN214642386U (en) | 2021-03-01 | 2021-03-01 | Large-scale hydraulic generator stator line stick grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120438841.6U CN214642386U (en) | 2021-03-01 | 2021-03-01 | Large-scale hydraulic generator stator line stick grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214642386U true CN214642386U (en) | 2021-11-09 |
Family
ID=78449991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120438841.6U Active CN214642386U (en) | 2021-03-01 | 2021-03-01 | Large-scale hydraulic generator stator line stick grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214642386U (en) |
-
2021
- 2021-03-01 CN CN202120438841.6U patent/CN214642386U/en active Active
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