CN108560510B - Movable overhaul platform for surface runner of hydropower station - Google Patents
Movable overhaul platform for surface runner of hydropower station Download PDFInfo
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- CN108560510B CN108560510B CN201810770712.XA CN201810770712A CN108560510B CN 108560510 B CN108560510 B CN 108560510B CN 201810770712 A CN201810770712 A CN 201810770712A CN 108560510 B CN108560510 B CN 108560510B
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- 238000012423 maintenance Methods 0.000 claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention provides a movable overhaul platform for a surface runner in a hydropower station, which comprises the following components: the winch platform comprises a moving platform, a winch arranged on the moving platform and a fixed arm vertically arranged at one end of the moving platform, the moving platform comprises a plurality of fastening devices connected with the top of the dam, the winch comprises a machine body, a balancing weight and a steel wire rope, and a plurality of pulleys are arranged on the moving platform and the fixed arm; the maintenance platform comprises a maintenance trolley, the front end of the maintenance trolley is connected with a steel wire rope, the bottom of the maintenance trolley is provided with a bottom maintenance platform, the bottom maintenance platform is provided with a cover plate, the top of the maintenance trolley is provided with a top maintenance platform, the bottom maintenance platform and the top maintenance platform are respectively provided with a supporting wheel at one side close to a flood discharge channel of a hydropower station, the maintenance trolley is further provided with a plurality of rollers and guide wheels at one side close to the flood discharge channel of the hydropower station, and two sides of the maintenance platform are slidably connected with expansion plates for adjusting the width.
Description
Technical Field
The invention relates to the technical field of hydropower station overhaul, in particular to a movable overhaul platform for a surface runner in a hydropower station.
Background
For the surface hole and the overflow surface of the stilling pool in the hydropower station, the existing overhaul scheme is to set up a floor type overhaul bent, and the scheme can achieve the aim of overhaul, but has a plurality of defects:
1. the floor type overhaul bent is overlarge in area, so that the problems of being unfavorable for erection and increasing the erection risk are solved in the erection process, and the floor type overhaul bent can be overhauled after flood season only by very accurate organization;
2. Time and effort consumption: the single middle-surface Kong Dashe floor-type bent frame requires 25.4t of steel pipes, the erection (dismantling) period is long, ten workers need 10 days on the horizontal plane, and even more, certain inclination angles exist on the overflow surface, especially the inclination angle to the domestic dam reaches 51.34 degrees, so that the risk is high, and the overflow surface is damaged due to steel pipe sliding and the like in the process;
2. the inclination angle of the middle-surface hole flow-through surface is large, each upright rod needs a special base to ensure that the upright rod does not slide downwards, and the possibility of damaging the flow-through surface is high;
3. The vertical overflow surface has different elevation positions and different widths, the different width of the overflow surface can meet the actual requirements only by the floor-type bent frame with various specifications, the cost is increased, for different elevations, if the floor-type bent frame with the same size is used, the floor-type bent frame can be bigger or smaller in size, when the bent frame is bigger in size, the bent frame cannot be erected, when the platform is smaller in size, the distance between the periphery of the bent frame and the overflow surface is bigger, and the safety cannot be ensured.
In view of this, this company has developed an inspection platform by oneself, has many floor-type overhauls the dislike of bent.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a movable overhaul platform for a surface runner of a hydropower station, which has the characteristics of convenience in assembly and disassembly, safety, reliability and the like.
In order to achieve the above object, the present invention provides a movable maintenance platform for a surface runner in a hydropower station, comprising:
The winch platform comprises a moving platform which is horizontally arranged, a winch arranged on the moving platform and a fixed arm which is vertically arranged at one end of the moving platform, wherein the moving platform comprises a plurality of fastening devices which are connected with the top of a dam, the winch comprises a machine body, a balancing weight and a steel wire rope, and a plurality of pulleys for guiding the steel wire rope are arranged on the moving platform and the fixed arm;
The maintenance platform, the maintenance platform includes the maintenance dolly, the front end and the wire rope of maintenance dolly are connected, the bottom of maintenance dolly is equipped with the bottom maintenance platform, the bottom maintenance platform is equipped with the apron that covers the blending hole, the top of maintenance dolly is equipped with the top maintenance platform, bottom maintenance platform and top maintenance platform all are equipped with the supporting wheel in one side that is close to the flood discharge runner of power station, the maintenance dolly still is equipped with a plurality of gyro wheels and leading wheel in one side that is close to the flood discharge runner of power station, the both sides sliding connection of maintenance platform has the expansion plate of width of regulation.
Preferably, the fixing arm comprises a truss, a plurality of 6-series aluminum alloy standard fixing joints, fixing pieces and safety ropes.
Preferably, the bottom overhaul stand and the top overhaul stand are made of aluminum alloy materials.
Preferably, the guide wheel comprises a telescopic rod connected with the maintenance trolley and a wheel frame arranged at the end part of the telescopic rod, and the wheel frame is rotationally connected with the wheel body.
Preferably, a shock absorber is arranged between the wheel frame and the maintenance trolley, and a coil spring for connecting the wheel frame and the maintenance trolley is sleeved outside the shock absorber.
Preferably, the maintenance trolley is further provided with an adjusting screw rod which is abutted with the flood discharging runner of the hydropower station.
Preferably, the bottom overhaul stand and the top overhaul stand both adopt lifting stand structures.
Compared with the prior art, the invention has the beneficial effects that:
The whole process of assembling and disassembling the platform only needs 8-10 hours, so that the assembling and disassembling are quite convenient, and time and labor are saved; the overhaul scheme of the middle-surface hole and the stilling pool can be flexibly arranged, so that the safety of the hydropower station and the downflow channel is ensured; the maintenance platform adopts a plurality of rollers and guide wheels (polycarbonate materials) to run on the overflow surface of the flood discharge channel, the running speed is about 4-5 meters per minute, the maintenance platform can be started and stopped immediately, the maintenance platform is not electrified and is pulled by a winch, the steel wire ropes are connected, the adjusting screw rod is prevented from overturning, the whole platform has a safety coefficient of more than 4 times after strength check, and the safety performance is quite reliable; by using the platform, the construction workload can be reduced to a great extent, the labor is saved, the runner bottom plate is protected from being damaged secondarily, the erection method is simple, the operation is convenient, and the safety of the overhaul platform is improved.
Drawings
FIG. 1 is a side view of a movable maintenance platform for a surface runner in a hydropower station according to the invention;
FIG. 2 is a side view of a hoist platform in a movable maintenance platform for a surface runner in a hydropower station according to the invention;
FIG. 3 is a schematic three-dimensional structure of a hoist platform in a movable maintenance platform of a surface runner in a hydropower station;
FIG. 4 is a side view of an access platform in a movable access platform for a surface runner in a hydropower station according to the invention;
fig. 5 is a schematic three-dimensional structure of an overhaul platform in a movable overhaul platform of a surface runner in a hydropower station.
In the figure: 1. a hoist platform; 11. a mobile platform; 12. a hoist; 13. a fixed arm; 14. a fastening device; 15. a wire rope; 16. a pulley; 2. a maintenance platform; 21. maintenance trolley; 22. a bottom overhaul stand; 23. a top access platform; 24. a support wheel; 25. and a roller.
Detailed Description
In order to describe the technical content, constructional features, achieved objects and effects of the present invention in detail, the following examples are given by way of example and are described in detail with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The invention provides a movable overhaul platform for a surface runner in a hydropower station, which comprises the following components:
The system comprises a winch platform 1, wherein the winch platform 1 comprises a moving platform 11 which is horizontally arranged, a winch 12 which is arranged on the moving platform 11 and a fixed arm 13 which is vertically arranged at one end of the moving platform 11, the moving platform 11 comprises a plurality of fastening devices 14 which are connected with the top of a dam, the winch 12 comprises a machine body, a balancing weight and a steel wire rope 15, and the moving platform 11 and the fixed arm 13 are provided with a plurality of pulleys 16 which guide the steel wire rope 15;
The maintenance platform 2, maintenance platform 2 includes maintenance dolly 21, the front end and the wire rope 15 of maintenance dolly 21 are connected, the bottom of maintenance dolly 21 is equipped with bottom maintenance platform 22, bottom maintenance platform 22 is equipped with the apron that covers the blending hole, the top of maintenance dolly 21 is equipped with top maintenance platform 23, bottom maintenance platform 22 and top maintenance platform 23 all are equipped with supporting wheel 24 in the one side that is close to the flood discharge runner of hydroelectric power station, maintenance dolly 21 still is equipped with a plurality of gyro wheels 25 and leading wheel in the one side that is close to the flood discharge runner of hydroelectric power station, the both sides sliding connection of maintenance platform 2 has the expansion plate of width.
By adopting the technical scheme, the whole assembly and disassembly process of the platform only needs 5-6 hours, so that the assembly and the disassembly are quite convenient, and time and labor are saved; the overhaul scheme of the middle-surface hole and the stilling pool can be flexibly arranged, so that the safety of the hydropower station and the downflow channel is ensured; the overhaul platform 2 adopts a plurality of rollers 25 and guide wheels (polycarbonate materials) to run on the overflow surface of the flood discharge flow channel, the running speed is about 4-5 meters per minute, the overhaul platform 2 can be started and stopped immediately, the overhaul platform 2 is not electrified and is pulled by the winch 12, the steel wire ropes 15 are connected, the adjusting screw rod is prevented from overturning, the whole platform is verified to reach a safety coefficient of more than 4 times through strength, and the safety performance is quite reliable; by using the platform, the construction workload can be reduced to a great extent, the labor is saved, the bottom plate of the runner is protected from being damaged, the erection method is simple, the operation is convenient, and the safety of the overhaul platform 2 is improved;
for the maintenance platform 2, it can be designed as a movable expansion type, a fixed frame type, etc.: in the movable expansion, the maintenance platform 2 is to be expanded to a horizontal position, and can adopt modes of universal screw, motor drive, screw (screw rod) connecting rod, hydraulic jack, sleeve, chain transmission and the like;
The hoist 12 may be configured as a two-sided drum type, a one-sided drum type, or the like: in the two-side roller type, the roller and the speed reducer can be directly connected by adopting a coupler, or connected by a bevel gear, a chain and the like; the travel limit switch is arranged on the winch 12, and besides, the travel limit switch can be designed into a screw rod type, a micro switch type, a worm gear type, a photoelectric switch type (i.e. infrared rays), a magnetic force guiding type, a time relay and the like;
The main material modeling can be designed into various different materials such as I shape, groove shape, H shape, round pipe, square pipe and the like; the material can be designed into aluminum alloy, carbon steel, carbon fiber, carbon steel, powder metallurgy material, titanium alloy and other alloy materials;
for the installation position of the hoist 12: in addition to the above method being installed on the movable platform 11 of the dam crest, the following two ways or other ways can be adopted:
(1) A wharf boat is placed in a stilling pool at the bottom of a dam, a winch 12 is arranged on the wharf boat, a pulley 16 can be arranged on a swing arm of an arc gate, a steel wire rope 15 extends downwards around the pulley after coming out of the winch 12, and then the steel wire rope is connected with a maintenance trolley 21;
(2) The winch 12 is directly installed on the swing arm of the radial gate or the bottom maintenance platform 22, the pulley 16 can be arranged on the radial swing arm at this time, and the steel wire rope 15 extends downwards by bypassing the pulley after coming out of the winch 12 and is connected with the maintenance trolley 21.
(3) The winch 12 is directly arranged on the maintenance trolley 21, at the moment, the pulley 16 can be arranged on the arc-shaped swing arm, the steel wire rope 15 extends downwards by bypassing the pulley after coming out of the winch 12, and then the maintenance trolley 21 is connected;
(4) The top of the side wall of the flow passage is provided with a plurality of aeration piles along the horizontal direction, a horizontal rail is arranged above the plurality of aeration piles, and the winch 12 is arranged on the horizontal rail and can horizontally move, so that the overhaul of each winning-bid flow passage is met.
In addition to the above-described winch platform 1, other alternatives may be employed:
(1) A rack rail is arranged at the top of the side wall of the flow passage, and the overhaul platform 2 overhauls through traction operation of the rack rail;
(2) And installing a tower crane for the building on the dam crest, setting the length of a tower crane support arm according to the horizontal length of the overflow channel, and carrying out power traction operation maintenance on the maintenance platform through the tower crane support arm.
Preferably, the fixing arm 13 comprises a truss, a plurality of 6-series aluminum alloy standard fixing joints, fixing pieces and safety ropes.
By adopting the technical scheme, the structure of the truss and the plurality of 6-series aluminum alloy standard fixing joints is adopted, so that on one hand, the integral strength of the winch platform 1 is guaranteed, firm traction on the overhaul platform 2 is guaranteed, on the other hand, the light weight is realized, the assembly and disassembly steps are simplified, the safety rope further improves the integral safety performance, as the optimization, two safety ropes are preferably adopted, and the safety rope is provided with the anti-falling safety device, once the steel wire rope is broken, the anti-falling safety device immediately locks the safety rope, and the mobile platform is ensured not to slide down;
besides the fixing arm 13 which is vertically arranged, the fixing arm 13 can be designed into a vertical arc structure according to the shape of the whole passing channel (straight channel and curved channel), and the maintenance platform 2 is pulled by the winch 12 to run on the track of the fixing arm 13 for maintenance.
Preferably, the bottom overhaul stand 22 and the top overhaul stand 23 are made of aluminum alloy.
By adopting the technical scheme, the bottom overhaul stand 22 and the top overhaul stand 23 made of the aluminum alloy material have the advantages of light weight, high mechanical property and the like, and are low in cost, easy to process and manufacture and good in heat dissipation performance.
Preferably, the guide wheel comprises a telescopic rod connected with the maintenance trolley 21 and a wheel frame arranged at the end part of the telescopic rod, and the wheel frame is rotatably connected with a wheel body.
Through adopting above-mentioned technical scheme, adopt the telescopic link (prior art, can adopt many interference fit's loop bars to connect gradually to make) as the medium of connecting wheel carrier and maintenance dolly 21, replace the rigid link for the wheel carrier can be relative maintenance dolly 21 up-and-down motion, realizes hanging the characteristic.
Preferably, a shock absorber is arranged between the wheel frame and the maintenance trolley 21, and a coil spring for connecting the wheel frame and the maintenance trolley 21 is sleeved outside the shock absorber.
Through adopting above-mentioned technical scheme, the shock absorber is favorable to attenuating the high-frequency vibration that the wheel body received to guarantee the steady running performance of maintenance dolly 21, coil spring is used for attenuating the low-frequency vibration that the wheel body received, further ensures the steady running performance of maintenance dolly 21.
Preferably, the maintenance trolley 21 is further provided with an adjusting screw rod which is abutted with a flood discharge runner of the hydropower station.
Through adopting above-mentioned technical scheme, accommodate the lead screw can change the length of stretching out the maintenance dolly 21 when rotating to can adjust the angle of maintenance dolly 21, ensure that the bottom maintenance platform 22 and the top maintenance platform 23 of maintenance dolly 21 are in horizontal position all the time during the construction.
Preferably, the bottom overhaul stand 22 and the top overhaul stand 23 are both in a lifting stand structure.
Through adopting above-mentioned technical scheme, elevating platform structure (prior art) makes bottom maintenance platform 22 and top maintenance platform 23 can stretch out and draw back to adapt to multiple inclination and topography, be favorable to expanding application scope.
The construction process of the invention is as follows:
1. The prefabricated winch platform 1 is installed at the top of a dam in a hoisting mode: tightening a plurality of fastening devices 14, hoisting a 4t winch 12, hoisting a balancing weight about 6t, and paving a plurality of 6-series aluminum alloy pedals at a fixed arm 13 in sequence, wherein the total load of the platform is 2t, and the local movable load is 200kg per square meter;
2. Hoisting a plurality of 6-series aluminum alloy standard fixed joints into the fixed arm 13: the first is slowly lowered to a fixed position by a winch 12, then the second is continuously hoisted, a special spanner is used for tightening a connecting nut between two adjacent trusses, and the process is continuously repeated until a steel wire rope 15 fixing piece of the (detachable aluminum alloy) truss extends to a middle hole;
3. Middle surface hole and stilling pool overflow surface: hoisting the maintenance platform 2 to the overflow surface of the stilling pool, and starting assembly;
4. The constructor installs the phi 14 galvanized steel wire rope 15 (meeting the safety factor of more than 14 times) along the steel wire rope 15 fixed arm 13 truss and the overflow surface;
5. after the steel wire rope 15 is connected to the overhaul platform 2 and the safety rope is connected to the anti-falling safety device, the remote control mode is adopted to control the test running of the winch 12, whether the fastener is firmly installed or not is observed, whether the platform is inclined or not is observed, and if the fastener is inclined, the platform is regulated to be horizontal through the regulating screw rod;
6. When the maintenance platform 2 runs to the position of the air doping holes, the air doping holes are perfectly covered by the fixing frame and the cover plate of the inner frame from the bottom maintenance platform 22, and the bottom maintenance platform 22 is retracted after the platform stably passes.
7. The steel wire rope 15 is detached from the overflow surface of the stilling pool to control the winding machine 12 to receive the rope, the overhauling platform 2 module is disassembled, and the overhauling platform 2 module is lifted to the overflow surface of the middle hole to be overhauled.
In summary, the present invention is not limited to the preferred embodiments, but is intended to cover modifications and equivalent arrangements included within the scope of the appended claims and their equivalents.
Claims (6)
1. The utility model provides a movable maintenance platform of table runner in power station which characterized in that: comprising the following steps:
The winch platform comprises a moving platform which is horizontally arranged, a winch arranged on the moving platform and a fixed arm which is vertically arranged at one end of the moving platform, wherein the moving platform comprises a plurality of fastening devices which are connected with the top of a dam, the winch comprises a machine body, a balancing weight and a steel wire rope, and a plurality of pulleys for guiding the steel wire rope are arranged on the moving platform and the fixed arm;
The overhaul platform comprises an overhaul trolley, the front end of the overhaul trolley is connected with a steel wire rope, the bottom of the overhaul trolley is provided with a bottom overhaul platform, the bottom overhaul platform is provided with a cover plate for covering an air doping hole, the top of the overhaul trolley is provided with a top overhaul platform, the bottom overhaul platform and the top overhaul platform are both provided with supporting wheels on one side of a flood discharge channel close to a hydropower station, the overhaul trolley is also provided with a plurality of rollers and guide wheels on one side of the flood discharge channel close to the hydropower station, and two sides of the overhaul platform are slidably connected with expansion plates for adjusting the width;
The guide wheel comprises a telescopic rod connected with the maintenance trolley and a wheel frame arranged at the end part of the telescopic rod, and the wheel frame is rotationally connected with a wheel body.
2. The movable maintenance platform for a surface runner in a hydropower station according to claim 1, wherein: the fixing arm comprises a truss, a plurality of 6-series aluminum alloy standard fixing joints, fixing pieces and safety ropes.
3. The movable maintenance platform for a surface runner in a hydropower station according to claim 2, wherein: the bottom maintenance platform and the top maintenance platform are made of aluminum alloy materials.
4. The movable maintenance platform for a surface runner in a hydropower station according to claim 1, wherein: a shock absorber is arranged between the wheel frame and the maintenance trolley, and a spiral spring connected with the wheel frame and the maintenance trolley is sleeved outside the shock absorber.
5. The movable maintenance platform for a surface runner in a hydropower station according to claim 4, wherein: the maintenance trolley is also provided with an adjusting screw rod which is abutted with the flood discharge flow passage of the hydropower station.
6. The movable maintenance platform for a surface runner in a hydropower station according to claim 5, wherein: the bottom maintenance platform and the top maintenance platform are both of lifting platform structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770712.XA CN108560510B (en) | 2018-07-13 | 2018-07-13 | Movable overhaul platform for surface runner of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770712.XA CN108560510B (en) | 2018-07-13 | 2018-07-13 | Movable overhaul platform for surface runner of hydropower station |
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| Publication Number | Publication Date |
|---|---|
| CN108560510A CN108560510A (en) | 2018-09-21 |
| CN108560510B true CN108560510B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770712.XA Active CN108560510B (en) | 2018-07-13 | 2018-07-13 | Movable overhaul platform for surface runner of hydropower station |
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|---|---|---|---|---|
| CN109140472B (en) * | 2018-11-02 | 2024-05-31 | 江苏龙安电力设备有限公司 | Cold ash bucket overhauls platform |
| CN114059620B (en) * | 2020-07-30 | 2024-04-05 | 杨军 | Movable draws yellow canal pump station maintenance work platform |
| CN113622365B (en) * | 2021-08-20 | 2022-10-18 | 中国长江电力股份有限公司 | Quick-assembling operation platform capable of movably walking on radial gate support arm and support hinge |
| CN115977375B (en) * | 2022-12-21 | 2024-11-01 | 江苏速捷模架科技有限公司 | Magnetic attraction seat for large-gradient adjustable truss foundation |
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| KR20160123514A (en) * | 2015-04-16 | 2016-10-26 | 영신기술 주식회사 | Moving Type Inspection Equipment of Bridge |
| CN105220911A (en) * | 2015-10-28 | 2016-01-06 | 中国长江电力股份有限公司 | A kind of power station flood discharge runner inspection platform and erection method thereof |
| CN205063444U (en) * | 2015-10-28 | 2016-03-02 | 中国长江电力股份有限公司 | Flood discharge runner in power station overhauls platform |
| CN106917353A (en) * | 2017-04-21 | 2017-07-04 | 中交第二航务工程局有限公司 | A kind of open-close type crosses pier box beam maintenance construction trolley and its method of work |
| CN208472681U (en) * | 2018-07-13 | 2019-02-05 | 江苏龙安电力设备有限公司 | Surface low road movable overhaul platform in a kind of power station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108560510A (en) | 2018-09-21 |
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