CN113685303B - Anti-skid device and method for rotating wheel blades of axial flow rotating paddle type hydroelectric generating set - Google Patents
Anti-skid device and method for rotating wheel blades of axial flow rotating paddle type hydroelectric generating set Download PDFInfo
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- CN113685303B CN113685303B CN202111108767.2A CN202111108767A CN113685303B CN 113685303 B CN113685303 B CN 113685303B CN 202111108767 A CN202111108767 A CN 202111108767A CN 113685303 B CN113685303 B CN 113685303B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/126—Rotors for essentially axial flow, e.g. for propeller turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/128—Mounting, demounting
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Structures (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Hydraulic Turbines (AREA)
Abstract
The utility model provides an antiskid device and method for axial-flow rotating oar formula hydroelectric set runner blade, includes a plurality of antiskid block unit, and the upper surface of every antiskid block unit is equipped with the arch that increases friction force, and every antiskid block unit lower surface is equipped with magnet, connects through linking member between two adjacent antiskid block units, and a plurality of antiskid block unit interconnect has formed anti-skidding blanket, and anti-skidding blanket edge is connected with the magnetism ground anchor through connecting rope. The anti-skid block unit comprises a plurality of anti-skid modules, the anti-skid modules are connected through series ropes, and a rotation distance is arranged between every two adjacent anti-skid modules. The invention replaces the prior anti-slip measures of the traditional blade operation so as to ensure the safety of related operators and improve the overhaul efficiency.
Description
Technical Field
The invention belongs to the field of anti-skid devices for overhauling of generator sets, and particularly relates to an anti-skid device and an anti-skid method for rotating blades of an axial flow rotating propeller type hydroelectric generator set.
Background
In the A-level maintenance process of an axial flow rotating paddle type hydroelectric generating set of a certain hydropower station, operators are required to carry out operation on the upper surface of a runner blade for a long time, the height of the upper surface of the blade is about 3 meters from a reference surface below, and the curvature of the blade is equal to that of the blade. At present, methods such as wool felt laying and the like are adopted in unit maintenance, and the method has a plurality of problems, such as that the friction coefficient between the wool felt and the blades is still small, and the safety of the blades is more difficult to ensure when the blades are stained with greasy dirt.
Chinese patent document CN201930084U discloses "a medical magnetic anti-slip mat", CN206295226U discloses "a health anti-slip mat embedded with magnets", and the above patent discloses a technical scheme of installing magnets on a common anti-slip mat, but simply installing magnets on an anti-slip mat cannot be applied to the runner blades of an axial flow rotating paddle type hydroelectric generating set. Because the shape of the blade is irregular and is a gradual curved surface structure, the existing anti-skid pad is generally a whole-cut plastic pad and cannot be well attached to a curved surface; in addition, when working on the blade, the slipmat needs to support heavier equipment, and if the slipmat is made of soft materials, the service life is short, the bearing capacity is insufficient, and the safety performance is poor.
Disclosure of Invention
In view of the technical problems in the background art, the anti-slip device and the method for the rotating wheel blades of the axial-flow rotating-blade hydroelectric generating set replace the anti-slip measures of the traditional blade operation at present, so that the safety of related operators is ensured, and the overhaul efficiency is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an antiskid for axial compressor changes oar formula hydroelectric set runner blade, includes a plurality of antiskid block unit, and the upper surface of every antiskid block unit is equipped with the arch that increases friction force, its characterized in that: the lower surface of each anti-skid block unit is provided with a magnet, two adjacent anti-skid block units are connected through a connecting member, a plurality of anti-skid block units are connected with each other to form an anti-skid blanket, and the edge of the anti-skid blanket is connected with a magnetic ground anchor through a connecting rope;
the anti-skid block unit comprises a plurality of anti-skid modules, the anti-skid modules are connected through series ropes, and a rotation distance is arranged between every two adjacent anti-skid modules.
In a preferred scheme, the anti-skid module is provided with a plurality of pipe perforations, and the pipe perforations are used for penetrating and connecting the series ropes; the plurality of anti-skid modules are connected through a plurality of series ropes to form an anti-skid block unit.
In the preferred scheme, the anti-skid modules are square blocks, the upper surface of each anti-skid module is provided with a bulge, and each anti-skid block unit is of a square structure; each series rope is connected with two rows of anti-slip modules, and the ends of the two rows of anti-slip modules form a connecting ring structure.
In the preferred scheme, the linking component is a buckle for connecting the connecting rings of the two adjacent anti-skid blocks.
In a preferred scheme, the connecting rope is used for connecting the magnetic ground anchor and the connecting ring at the edge of the anti-slip blanket.
In a preferred scheme, the anti-skid module comprises a base, wherein the pipe perforation is positioned at the side part of the base, and a fixing member is arranged on the base and used for fixing the base on the serial ropes; the tube perforations include tube perforations disposed in both lateral and longitudinal directions.
In a preferred scheme, the fixing member comprises a spring, a core column and a locking screw, wherein a central hole is formed in the middle of the upper end face of the base, the central hole penetrates through pipe perforation in the transverse direction and the longitudinal direction at the same time, the spring and the core column are placed in the central hole, and the locking screw is in threaded connection with the central hole; the core column is provided with holes in the transverse direction and the longitudinal direction, and the holes on the core column correspond to the tube perforation holes. On the premise of not installing a locking screw, the hole on the stem is just aligned with the pipe perforation, and the series rope can penetrate through the hole on the stem and the pipe perforation at the same time. When the serial ropes are installed, the locking screws are screwed, the core column moves downwards, and the serial ropes are clamped with the base. Compared with the method that the serial ropes are directly compressed by bolts, the core column is adopted for compression, the serial ropes can be downwards bent, the compression effect is better, and the base is not easy to slide.
In the preferred scheme, the lateral wall of stem be equipped with the location arch, the inner wall of centre bore is equipped with the constant head tank, location arch and constant head tank sliding fit.
In the preferred scheme, base top detachably be equipped with non-slip sheet, the base top is equipped with the jack, non-slip sheet bottom is equipped with the spliced pole, spliced pole and jack interference fit.
In a preferred scheme, the installation method of the anti-skid device for the rotating blades of the axial-flow rotating-blade hydroelectric generating set comprises the following steps:
s1: and (3) installation of an anti-skid module: after the spring is placed in the central hole, the core column is placed in the central hole, and the positioning protrusion is ensured to correspond to the positioning groove in the process of placing the core column;
s2: and (3) assembling an anti-skid block unit: connecting a plurality of anti-slip modules in series by using a series rope, wherein the series rope simultaneously penetrates through the pipe perforation and the hole of the core column;
s3: the anti-skid module is fixed: tightening the locking screw to sequentially fasten each anti-skid module, so as to ensure that the interval between two adjacent anti-skid modules is consistent; the core column moves downwards to clamp the serial ropes, so that the anti-skid module cannot move;
s4: and (3) anti-slip sheet installation: the antiskid sheets are inserted into the top of the base;
s5: and (3) installing an anti-slip blanket: connecting two adjacent anti-skid blocks by using a buckle;
s6: and (3) magnetic ground anchor installation: and connecting the magnetic ground anchor with the anti-slip blanket by using a connecting rope.
The following beneficial effects can be achieved in this patent:
1. the traditional antiskid method for the blade often adopts modes of paving wool felt and the like, and the effect of the traditional antiskid measure is greatly reduced due to the fact that the wool felt is difficult to fix and the curvature of the blade and the greasy dirt on the blade in the overhauling process are added, so that a reliable antiskid effect cannot be provided; the anti-skid device is reliably fixed on the runner blade by the magnetic ground anchor, and the bulge design on the surface of the device ensures good anti-skid effect.
2. The mode of antiskid unit group piece is laid on the blade surface in this patent, adopts the buckle to link to each other between each antiskid unit, has the characteristics that the dismouting is simple and convenient.
3. Because the blade is curved structure, in order to guarantee that each anti-skidding module in the anti-skidding unit all has the laminating degree well with the blade surface, then set for certain clearance each anti-skidding module each other, when the anti-skidding unit crooked, single anti-skidding module can laminate with the blade surface like this. However, because a certain gap is required between the anti-skid modules, the anti-skid modules are easy to slide on the series ropes, and in the walking process of a person, the anti-skid modules can move, so that the phenomenon of sparse and uneven anti-skid modules can occur, namely, part of the anti-skid modules are crowded together, and part of the anti-skid modules are very sparse, so that potential safety hazards are caused. According to the technical scheme, the fixing member is adopted to lock the series ropes, so that the safety is better compared with the traditional bolt fixing or hot melting connection, the safety is better, the safety device can bear larger weight, and the anti-slip module is not easy to move in the walking process of workers.
4. The anti-slip sheet is detachably connected, so that the anti-slip sheet can be conveniently replaced, and the overall service life of the anti-slip pad is prolonged.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a diagram of the installation effect of the present invention;
FIG. 2 is a block diagram of an anti-skid unit according to the present invention;
FIG. 3 is a block diagram of an anti-skid module of the present invention;
FIG. 4 is a second view of the installation effect of the present invention;
FIG. 5 is a third view of the installation effect of the present invention;
FIG. 6 is an expanded view of the antiskid module according to the present invention in embodiment 2;
FIG. 7 is an expanded view of the fixing member of the present invention in example 2;
FIG. 8 is a three-dimensional view of the base of the present invention in example 2;
FIG. 9 is a cross-sectional view of the base of the present invention in example 2.
In the figure: magnetic ground anchor 1, antiskid block unit 2, antiskid module 201, base 201.1, spring 201.2, stem 201.3, locking screw 201.4, centre hole 201.5, antiskid sheet 201.6, location protrusion 201.7, constant head tank 201.8, pipe perforation 202, series rope 203, go-between 204, magnet 3, buckle 4, blade 5.
Detailed Description
Example 1:
the preferred scheme is as shown in figures 1 to 4, an anti-skid device for rotating wheel blades of an axial-flow rotating paddle type hydroelectric generating set comprises a plurality of anti-skid block units 2, protrusions for increasing friction force are arranged on the upper surface of each anti-skid block unit 2, a magnet 3 is arranged on the lower surface of each anti-skid block unit 2, two adjacent anti-skid block units 2 are connected through a connecting member, a plurality of anti-skid block units 2 are connected with each other to form an anti-skid blanket, and the edges of the anti-skid blanket are connected with a magnetic ground anchor 1 through connecting ropes. The anti-slip block unit 2 comprises a plurality of anti-slip modules 201, the anti-slip modules 201 are connected through series ropes 203, and a rotation distance is arranged between every two adjacent anti-slip modules 201. As shown in fig. 5, since the blade has a curved surface structure, in order to ensure that the anti-slip unit 2 and the surface of the blade have good adhesion, a certain gap is set between each anti-slip module 201, so that when the anti-slip unit 2 is bent, a single anti-slip module 201 can be adhered to the surface of the blade. In contrast, if the anti-slip modules 201 are closely attached to each other, when the anti-slip unit 2 is bent, the anti-slip modules 201 are pressed and protruded, and the degree of adhesion is affected.
The anti-slip blanket in the technical scheme comprises a plurality of anti-slip block units 2, each anti-slip block unit 2 comprises a plurality of anti-slip modules 201, each anti-slip module 201 is made of PPE fireproof materials, reliable safety guarantee is provided for fire operation on the blade, and the bottom of each anti-slip module 201 is provided with a magnet 3.
Specifically, the anti-skid module 201 is provided with a plurality of tube perforations 202, the tube perforations 202 being for threading the tandem rope 203; several anti-skid modules 201 are connected by a plurality of series strings 203 to form an anti-skid unit 2. The anti-skid modules 201 are square blocks, protrusions are arranged on the upper surface of each anti-skid module 201, and the anti-skid block units 2 are of square structures; each series string 203 connects two rows of anti-skid modules 201, and the series string 203 forms a connecting ring 204 structure at the ends of the two rows of anti-skid modules 201.
The serial ropes 203 are steel wire ropes, the side parts of the anti-skid modules 201 are provided with pipe perforations 202 which are longitudinally and transversely arranged, one serial rope 203 connects two rows of anti-skid modules 201 in series, and after the multi-row anti-skid modules 201 are worn, the serial ropes 203 are used for wearing the multi-row anti-skid modules 201. After the serial string 203 is threaded, it is connected end to end, as shown in fig. 2, to form a connecting ring 204.
Further, the engagement member is a buckle 4, and the buckle 4 is used for connecting the connecting rings 204 of two adjacent anti-slip blocks 2. The buckle 4 can be replaced by a steel wire rope.
Further, a connecting string is used to connect the magnetic ground anchor 1 to the connecting ring 204 of the non-slip blanket edge. The magnetic ground anchor 1 plays a role in fixing and limiting. The connecting rope can be a steel wire rope.
The working principle is as follows:
according to the surface area of the blade 5, a plurality of unit square anti-skid devices are paved, and then connected with the magnetic ground anchor 1 through steel wire ropes in four directions, so that the anti-skid devices are reliably fixed on the surface of the blade 5.
For example, for a domestic large-scale axial flow rotary paddle type hydroelectric generating set, each blade is arranged with about 9 square meters, and one machine is 45 square meters. After the rotor blade has operating conditions. The anti-skid block unit 2 is connected on site through a buckle 4 and paved on the surface of the blade. The device is fixed on the blade in four directions by the magnetic ground anchor 1, so that the maintenance operation of the surface of the blade can be performed.
Example 2:
on the basis of embodiment 1, the anti-skid module 201 is modified as follows:
in embodiment 1, because a certain gap needs to be left between the anti-slip modules 201, the anti-slip modules 201 easily slide on the serial ropes 203, and in the process of walking of a person, the anti-slip modules 201 may move, and a phenomenon that the anti-slip modules 201 are sparse and uneven may occur, i.e., some anti-slip modules 201 are crowded together, and some anti-slip modules 201 are very sparse, which causes a potential safety hazard.
Preferably, as shown in fig. 6-9, the anti-slip module 201 comprises a base 201.1, the pipe perforation 202 is located at the side of the base 201.1, and fixing members are provided on the base 201.1, and the fixing members are used for fixing the base 201.1 on the serial ropes 203; the tube perforations 202 include tube perforations 202 disposed in both lateral and longitudinal directions.
The fixing member comprises a spring 201.2, a stem 201.3 and a locking screw 201.4, a central hole 201.5 is arranged in the middle of the upper end surface of the base 201.1, the central hole 201.5 penetrates through pipe through holes 202 in the transverse direction and the longitudinal direction at the same time, the spring 201.2 and the stem 201.3 are placed in the central hole 201.5, and the locking screw 201.4 is in threaded connection with the central hole 201.5; the stem 201.3 is provided with holes in both the transverse and longitudinal directions, the holes in the stem 201.3 corresponding to the tube perforations 202. Without the locking screw 201.4 installed, the hole in the stem 201.3 is just aligned with the tube bore 202 and the tandem cord 203 may be threaded through both the hole in the stem 201.3 and the tube bore 202. When the serial string 203 is installed, the locking screw 201.4 is screwed, and the stem 201.3 moves downward, thereby clamping the serial string 203 with the base 201.1. Compared with the method that the serial ropes 203 are directly compressed by bolts, the serial ropes 203 can be bent downwards by compressing the core column 201.3, the compressing effect is better, and the base 201.1 is not easy to slide.
Further, the side wall of the stem 201.3 is provided with a positioning protrusion 201.7, and the inner wall of the central hole 201.5 is provided with a positioning groove 201.8, and the positioning protrusion is in sliding fit with the positioning groove. The positioning protrusions and the positioning grooves function to prevent the stem 201.3 from rotating.
Since the anti-slip sheet 201.6 is a wearing part, when the anti-slip sheet 201.6 is worn seriously, the anti-slip sheet 201.6 needs to be replaced, if the anti-slip module 201 is in an integrated structure, the anti-slip module 201 cannot be replaced when the anti-slip module 201 is damaged.
Preferably, the top of the base 201.1 is detachably provided with an anti-slip sheet 201.6, the top of the base 201.1 is provided with a jack, the bottom of the anti-slip sheet 201.6 is provided with a plug, and the plug is in interference fit with the jack.
The connection part of the base 201.1 and the anti-slip sheet 201.6 is provided with a notch, the notch is used for reserving an operation space for the straight line knife, the anti-slip sheet 201.6 is tilted by the straight line knife, and the anti-slip sheet 201.6 is replaced.
Preferably, the method for installing the anti-skid device for the rotating blades of the axial-flow rotating paddle type hydroelectric generating set comprises the following steps:
s1: installation of the anti-skid module 201: after the spring 201.2 is placed in the central hole 201.5, the stem 201.3 is placed in the central hole 201.5, and the positioning protrusion 201.7 is guaranteed to correspond to the positioning groove 201.8 in the process of placing the stem 201.3;
s2: and (3) assembling the anti-skid block unit 2: the anti-slip modules 201 are connected in series by using the series rope 203, and the series rope 203 simultaneously penetrates through the Guan Chuankong holes 202 and the core column 201.3 holes;
s3: the anti-skid module 201 is fixed: tightening the locking screw 201.4 to sequentially fasten each anti-skid module 201, so as to ensure that the interval between two adjacent anti-skid modules 201 is consistent; the downward movement of the stem 201.3 clamps the serial string 203 so that the anti-slip module 201 cannot move;
s4: anti-skid sheet 201.6 installation: the non-slip sheet 201.6 is inserted into the top of the base 201.1;
s5: and (3) installing an anti-slip blanket: connecting two adjacent anti-skid blocks 2 by using a buckle;
s6: and (3) installing a magnetic ground anchor 1: the magnetic ground anchor 1 is connected with the anti-slip blanket by a connecting rope.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (9)
1. The utility model provides an antiskid for axial compressor changes oar formula hydroelectric set runner blade, includes a plurality of non slipping block unit (2), and the upper surface of every non slipping block unit (2) is equipped with the arch that increases friction force, its characterized in that: the lower surface of each anti-slip block unit (2) is provided with a magnet (3), two adjacent anti-slip block units (2) are connected through a connecting member, a plurality of anti-slip block units (2) are connected with each other to form an anti-slip blanket, and the edges of the anti-slip blanket are connected with a magnetic ground anchor (1) through connecting ropes;
the anti-skid block unit (2) comprises a plurality of anti-skid modules (201), the plurality of anti-skid modules (201) are connected through a series rope (203), and a rotation distance is arranged between every two adjacent anti-skid modules (201).
2. The anti-skid device for rotor blades of an axial flow rotary paddle type hydro-generator set of claim 1, wherein: the anti-skid module (201) is provided with a plurality of pipe perforations (202), and the pipe perforations (202) are used for penetrating through the series ropes (203); the plurality of anti-skid modules (201) are connected through a plurality of series ropes (203) to form an anti-skid block unit (2).
3. The anti-skid device for rotor blades of an axial flow rotary paddle type hydro-generator set of claim 2, wherein: the anti-skid modules (201) are square blocks, the upper surface of each anti-skid module (201) is provided with a bulge, and each anti-skid unit (2) is of a square structure; each series rope (203) is connected with two rows of anti-slip modules (201), and the series ropes (203) form a connecting ring (204) structure at the end parts of the two rows of anti-slip modules (201).
4. The anti-skid device for a rotor blade of an axial flow rotary paddle type hydro-generator set as defined in claim 3, wherein: the connecting component is a buckle (4), and the buckle (4) is used for connecting the connecting rings (204) of the two adjacent anti-skid blocks (2).
5. The anti-skid device for rotor blades of an axial flow rotary paddle type hydro-generator set of claim 4, wherein: the connecting rope is used for connecting the magnetic ground anchor (1) and the connecting ring (204) at the edge of the anti-slip blanket.
6. The anti-skid device for a rotor blade of an axial flow rotary paddle type hydro-generator set as defined in claim 3, wherein: the anti-skid module (201) comprises a base (201.1), a pipe perforation (202) is positioned at the side part of the base (201.1), a fixing component is arranged on the base (201.1) and is used for fixing the base (201.1) on a serial rope (203); the tube perforations (202) include tube perforations (202) disposed in both the transverse and longitudinal directions.
7. The anti-skid device for rotor blades of an axial flow rotary paddle type hydro-generator set of claim 6, wherein: the fixing component comprises a spring (201.2), a core column (201.3) and a locking screw (201.4), a central hole (201.5) is formed in the middle of the upper end face of the base (201.1), the central hole (201.5) penetrates through pipe through holes (202) in the transverse direction and the longitudinal direction at the same time, the spring (201.2) and the core column (201.3) are placed in the central hole (201.5), and the locking screw (201.4) is in threaded connection with the central hole (201.5); the stem (201.3) is provided with holes in both the transverse direction and the longitudinal direction, and the holes in the stem (201.3) correspond to the tube perforations (202).
8. The anti-skid device for rotor blades of an axial flow rotary paddle type hydro-generator set of claim 7, wherein: the side wall of the core column (201.3) is provided with a positioning protrusion (201.7), the inner wall of the central hole (201.5) is provided with a positioning groove (201.8), and the positioning protrusion is in sliding fit with the positioning groove.
9. The anti-skid device for rotor blades of an axial flow rotary paddle type hydro-generator set of claim 7, wherein: the base (201.1) top detachably is equipped with non-slip sheet (201.6), and base (201.1) top is equipped with the jack, and non-slip sheet (201.6) bottom is equipped with the spliced pole, spliced pole and jack interference fit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111108767.2A CN113685303B (en) | 2021-09-22 | 2021-09-22 | Anti-skid device and method for rotating wheel blades of axial flow rotating paddle type hydroelectric generating set |
| CN202310536523.7A CN116537992A (en) | 2021-09-22 | 2021-09-22 | Anti-skid treatment method for surface of runner blade of axial-flow rotating-blade type hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111108767.2A CN113685303B (en) | 2021-09-22 | 2021-09-22 | Anti-skid device and method for rotating wheel blades of axial flow rotating paddle type hydroelectric generating set |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310536523.7A Division CN116537992A (en) | 2021-09-22 | 2021-09-22 | Anti-skid treatment method for surface of runner blade of axial-flow rotating-blade type hydroelectric generating set |
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| Publication Number | Publication Date |
|---|---|
| CN113685303A CN113685303A (en) | 2021-11-23 |
| CN113685303B true CN113685303B (en) | 2023-07-18 |
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| CN202111108767.2A Active CN113685303B (en) | 2021-09-22 | 2021-09-22 | Anti-skid device and method for rotating wheel blades of axial flow rotating paddle type hydroelectric generating set |
| CN202310536523.7A Pending CN116537992A (en) | 2021-09-22 | 2021-09-22 | Anti-skid treatment method for surface of runner blade of axial-flow rotating-blade type hydroelectric generating set |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008180130A (en) * | 2007-01-24 | 2008-08-07 | Tokyo Electric Power Co Inc:The | Axial flow water turbine and its operation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4068847B2 (en) * | 2002-01-15 | 2008-03-26 | 株式会社カーメイト | Tire anti-slip device |
| US8038406B2 (en) * | 2006-08-25 | 2011-10-18 | Sanyo Electric Co., Ltd. | Axial fan and blade design method for the same |
| US8753088B2 (en) * | 2008-02-28 | 2014-06-17 | Textron Innovations Inc. | Propeller blade retention device |
| JP2011056931A (en) * | 2009-09-11 | 2011-03-24 | Kazuo Aoyama | Fixing plate |
| CN209781303U (en) * | 2019-02-03 | 2019-12-13 | 揭阳市嘉达电机科技有限公司 | Off-axis clamping position for motor in automobile water spray pump |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008180130A (en) * | 2007-01-24 | 2008-08-07 | Tokyo Electric Power Co Inc:The | Axial flow water turbine and its operation method |
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| CN116537992A (en) | 2023-08-04 |
| CN113685303A (en) | 2021-11-23 |
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