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CN-224214117-U - A lower hydraulic fixture for overhauling of large-scale power station trash remover

CN224214117UCN 224214117 UCN224214117 UCN 224214117UCN-224214117-U

Abstract

The utility model belongs to the field of hydropower station sewage disposal auxiliary equipment, in particular to a sewage fixture for overhauling a large hydropower station sewage disposal machine, which comprises a base, wherein the base is provided with two groups of hinged plates, a driving shaft is rotatably arranged on the hinged plates and is driven by a driving mechanism, the drive shaft is connected with cat ladder mechanism one end, and cat ladder mechanism includes first cat ladder and second cat ladder, and first cat ladder and second cat ladder tip are connected through the arc turn frame, and first cat ladder and second cat ladder parallel arrangement, the one end and the drive shaft connection of arc turn frame are kept away from to first cat ladder. The tool can be retracted in an unused state, interference to dam operation is avoided, and safe and convenient drainage operation is realized.

Inventors

  • GUO WEINAN
  • JIA WEI
  • QIN TUO
  • CHEN ZUOJUN
  • WEN ZHENYU

Assignees

  • 中国长江电力股份有限公司

Dates

Publication Date
20260508
Application Date
20250603

Claims (10)

  1. 1. A sewer tool for overhauling a large hydropower station trash remover comprises a base (100), wherein two groups of hinge plates (200) are arranged on the base (100), a driving shaft (300) is rotatably arranged on the hinge plates (200), the driving shaft (300) is driven by a driving mechanism (400), the driving shaft (300) is connected with one end of a ladder stand mechanism (500), the ladder stand mechanism (500) comprises a first ladder stand (510) and a second ladder stand (520), the ends of the first ladder stand (510) and the second ladder stand (520) are connected through an arc-shaped turning frame (530), the first ladder stand (510) and the second ladder stand (520) are arranged in parallel, and one end of the first ladder stand (510) away from the arc-shaped turning frame (530) is connected with the driving shaft (300).
  2. 2. The sewer tool for overhauling a sewage disposal machine of a large hydropower station according to claim 1, wherein in a sewer state, the driving shaft (300) is driven to rotate by the driving mechanism (400), the first ladder stand (510) and the second ladder stand (520) are rotated to a vertical state, and in an unused state, the first ladder stand (510) and the second ladder stand (520) are rotated to a horizontal state.
  3. 3. The sewer tool for overhauling a sewage disposal machine of a large hydropower station according to claim 1, wherein the driving mechanism (400) comprises a telescopic device (410), a fixed hinging seat (420) hinged with the tail end of the telescopic device (410) is arranged on the base (100), an end hinging seat (430) is arranged at the front end of the telescopic device (410), one end of a hinging rod (440) is hinged with the end hinging seat (430) through a pin shaft, and the other end of the hinging rod is fixedly connected with the driving shaft (300).
  4. 4. A sewer tool for overhauling a sewage disposal machine of a large hydropower station according to claim 3, wherein the telescopic device (410) is a hydraulic cylinder or an air cylinder or an electric push rod.
  5. 5. The sewer tool for overhauling a sewage disposal machine of a large hydropower station according to claim 1, wherein when the first ladder (510) and the second ladder (520) are rotated to a vertical state, the arc-shaped turning frame (530) spans across the dam fence (600), and the first ladder (510) and the second ladder (520) are located at two sides of the dam fence (600).
  6. 6. The sewer fixture for overhauling a sewage disposal machine of a large hydropower station according to claim 1, wherein a top platform (540) is arranged between the first ladder (510) and the second ladder (520), and the top platform (540) is positioned on the upper side of the dam fence (600) when the first ladder (510) and the second ladder (520) rotate to a vertical state.
  7. 7. The sewer tool for overhauling the sewage disposal machine of the large hydropower station according to claim 1, wherein an operation platform (550) is arranged at the lower end of the second crawling ladder (520), and the operation platform (550) is perpendicular to the second crawling ladder (520).
  8. 8. The sewer tool for overhauling a sewage disposal machine of a large hydropower station according to claim 1, wherein at least two groups of mounting seats (560) are arranged at one end of the first crawling ladder (510), and the mounting seats (560) are fixedly connected with the driving shaft (300).
  9. 9. The sewer tool for overhauling a sewage disposal machine of a large hydropower station according to claim 8, wherein the mounting base (560) comprises two groups of ear plates (561), the two groups of ear plates (561) are connected through a connecting plate (562), the driving shaft (300) is fixedly connected with the two groups of ear plates (561), the hinge plate (200) is arranged between the two groups of ear plates (561), and the end part of the first crawling ladder (510) is connected with the connecting plate (562).
  10. 10. The sewer fixture for overhauling a sewage disposal machine of a large hydropower station as defined in claim 1, wherein a plurality of fuma wheels (110) are arranged at the bottom of the base (100).

Description

A lower hydraulic fixture for overhauling of large-scale power station trash remover Technical Field The utility model relates to the field of hydropower station sewage disposal auxiliary equipment, in particular to a sewage fixture for overhauling a large hydropower station sewage disposal machine. Background In the running process of a large hydropower station, a trash remover in front of a unit needs to be regularly overhauled and maintained, and workers often need to drain through a trash rack door slot cat ladder to clean floating objects during overhauling. In order to reduce interference to a dam, the existing ladder stand structure is generally provided with a ladder stand groove by chiseling on a concrete structure at the side of a gate slot of the dam, and then a safety rope is assisted to climb up and down, so that the existing water drainage mode has various potential safety hazards, namely, the surface of the ladder stand is moist and easy to slide, and staff is easy to lose feet and fall when climbing; secondly, when the portable tool is used for launching, accidents are easy to occur due to inconvenient actions caused by load, thirdly, the launching efficiency is low, and the designated operation position is difficult to quickly reach. Disclosure of Invention The technical problem to be solved by the utility model is to provide the drainage tool for overhauling the sewage disposal machine of the large hydropower station, which can be retracted in an unused state, cannot interfere the operation of a dam, and simultaneously realizes safe and convenient drainage operation. In order to solve the technical problems, the technical scheme includes that the sewer tooling for overhauling the sewage disposal machine of the large hydropower station comprises a base, two groups of hinge plates are arranged on the base, a driving shaft is rotatably arranged on the hinge plates and is driven by a driving mechanism, one end of the driving shaft is connected with one end of a ladder mechanism, the ladder mechanism comprises a first ladder and a second ladder, the end parts of the first ladder and the second ladder are connected through an arc-shaped turning frame, the first ladder and the second ladder are arranged in parallel, and one end of the first ladder far away from the arc-shaped turning frame is connected with the driving shaft. In the preferable scheme, the driving shaft is driven to rotate through the driving mechanism in the launching state, the first ladder stand and the second ladder stand rotate to a vertical state, and in the unused state, the first ladder stand and the second ladder stand rotate to a horizontal state. In the preferred scheme, actuating mechanism includes telescoping device, is equipped with on the base with telescoping device tail end articulated fixed hinge seat, telescoping device's front end is equipped with tip hinge seat, articulated pole one end through with round pin axle and tip hinge seat articulated, the other end and drive shaft fixed connection. In a preferred scheme, the telescopic device is a hydraulic cylinder or an air cylinder or an electric push rod. In the preferred scheme, when first cat ladder and second cat ladder rotate to vertical state, arc turn frame spanned the dam rail, and first cat ladder and second cat ladder are located the both sides of dam rail. In the preferred scheme, be equipped with top platform between first cat ladder and the second cat ladder, when first cat ladder and second cat ladder rotate to vertical state, top platform is located the upside of dam rail. In the preferred scheme, second cat ladder lower extreme is equipped with operation platform, and operation platform sets up the perpendicular second cat ladder. In the preferred scheme, first cat ladder one end is equipped with two at least groups mount pad, mount pad and drive shaft fixed connection. In the preferred scheme, the mount pad includes two sets of otic placodes, and two sets of otic placodes pass through the connecting plate and connect, drive shaft and two sets of otic placodes fixed connection, and the articulated slab sets up between two sets of otic placodes, and first cat ladder tip is connected with the connecting plate. In the preferred scheme, the base bottom is equipped with a plurality of fortune Ma Lun. The utility model provides a sewer tooling for overhauling a sewage disposal machine of a large hydropower station, which has the following beneficial effects: 1. The frock can provide safe and reliable's upper and lower water route, and cat ladder mechanism adopts two sets of parallel cat ladders, and cooperation arc turning frame forms continuous climbing route, avoids traditional single cat ladder's the risk of rocking. 2. When the dam is not in use, the ladder stand mechanism rotates to a horizontal state, normal passing and equipment operation of the dam are not affected, the dam can stop at an appointed area at the edge of the dam, a main road or a w