CN-116573522-B - Intelligent lifting and turning equipment for deep hole oil cylinder and use method

CN116573522BCN 116573522 BCN116573522 BCN 116573522BCN-116573522-B

Abstract

The invention discloses intelligent lifting and turning equipment for a deep hole oil cylinder and a using method thereof, comprising an upper hoop device matched with the upper end of the oil cylinder and a lower hoop device matched with the lower end of the oil cylinder, wherein the upper hoop device comprises an upper hoop, two sides of the upper hoop are rotatably connected with two sides of a main body bracket, an angle encoder is arranged at the rotary connection position of the upper hoop, an upper lifting lug connected with an upper lifting rope of a crawler crane is arranged in the middle of the main body bracket, the lower hoop device comprises a lower hoop, and a lower lifting lug connected with a lower lifting rope of a gantry crane slewing crane is arranged at the side part of the lower hoop.

Inventors

Deng lun
HU JUN
CHEN ZHENGHU
LI YAJUN
YAO YONGHUAN

Assignees

中国长江电力股份有限公司

Dates

Publication Date: 20260505
Application Date: 20230512

Claims (5)

1. The use method of the intelligent lifting turning equipment for the deep-hole oil cylinder comprises an upper hoop device (1) matched with the upper end of the oil cylinder (3) and a lower hoop device (2) matched with the lower end of the oil cylinder (3), wherein the upper hoop device (1) comprises an upper hoop (1-3), two sides of the upper hoop (1-3) are rotatably connected with two sides of a main body support (1-2), an angle encoder (1-9) is arranged at the rotary connection position of the upper hoop device, an upper lifting lug (1-1) connected with an upper lifting rope (4-1) of a crawler crane (4) is arranged in the middle of the main body support (1-2), the lower hoop device (2) comprises a lower hoop (2-1), the side part of the lower hoop (2-1) is provided with a lower lifting lug (2-2) connected with a lower lifting rope (5-1) of a gantry crane rotary crane (5), two side ends of the main body support (1-2) are hinged with one end of a rotating shaft (1-6), the other end of the rotating shaft (1-6) is fixedly clamped in the middle of the U-shaped support body (1-4) and the middle of the upper hoop is fixedly clamped in the U-shaped plate (1-4), and are connected through positioning pins (1-5); the end part of the rotating shaft (1-6) is connected with the input end of the angle encoder (1-9), and the mounting plate of the angle encoder (1-9) is fixed on the side part of the main body bracket (1-2), and the use method is characterized by comprising the following steps: S1, installing an upper hoop device (1) at the upper end of an oil cylinder (3), and then lifting the oil cylinder (3) to a certain positioning height through a rope collecting process of the upper lifting rope (4-1) after connecting the upper lifting rope (4-1) of a crawler crane (4) with the upper lifting lug (1-1); S2, mounting a lower hoop device (2) at the lower end of the oil cylinder (3), and then connecting a lower lifting rope (5-1) of a gantry crane rotary crane (5) with the lower lifting lug (2-2) so that a gantry crane of the gantry crane rotary crane (5) walks in a direction away from the oil cylinder (3) and the lower lifting rope (5-1) is subjected to a rope collecting process at the same time; s3, the oil cylinder (3) is adjusted from a vertical posture to a horizontal posture; S4, carrying out a rope releasing process at the same speed on an upper lifting rope (4-1) of the crawler crane (4) and a lower lifting rope (5-1) of the gantry crane rotary crane (5), thereby completing a lifting and turning process of the whole oil cylinder (3) after the oil cylinder (3) is placed on the platform trailer (6); in the step S2, an upper lifting rope (4-1) of the crawler crane (4) is kept in a static state, and the moving speed of a gantry crane cart of the gantry crane rotary crane (5) is controlled to be: ; Wherein v is the moving speed of the gantry crane, L is the distance between the upper hoop device (1) and the lower hoop device (2) of the oil cylinder (3) and the corresponding lifting point, and theta is the rotation angle of the angle encoder (1-9) and the range of the rotation angle is 0-90 degrees; the rope collecting speed of a lower lifting rope (5-1) of a gantry crane rotary crane (5) is controlled as follows: ; Wherein, the For the rope collecting speed of the lower lifting rope (5-1), alpha is the included angle between the lower lifting rope (5-1) and the vertical direction, The initial included angle between the lower lifting lug (2-2) and the vertical direction is formed just after the lower lifting rope (5-1) is connected with the lower lifting lug.
2. The use method of the intelligent lifting turning equipment for the deep hole oil cylinder is characterized in that the outer end of the rotating shaft (1-6) is also provided with an oil injection nozzle (1-7).
3. The method for using the intelligent lifting turning-over equipment for the deep hole oil cylinder, which is disclosed in claim 1, is characterized in that the upper hoop (1-3) comprises two half hoops, and the side parts of the two half hoops are connected through first bolts (1-8).
4. The use method of the intelligent lifting turning-over equipment for the deep hole oil cylinder is characterized in that the side part of the main body bracket (1-2) is also provided with a laser range finder (1-10) and a distribution box (1-11).
5. The method for using the intelligent lifting turning-over equipment for the deep hole oil cylinder, which is disclosed in claim 1, is characterized in that the lower anchor ear (2-1) comprises two semi-ring hoops, the side parts of the two semi-ring hoops are connected through a second bolt (2-3), the end parts of the semi-ring hoops are provided with fixing rings (2-4), and the fixing rings (2-4) are matched with bolts on an end cover of the oil cylinder (3).

Description

Intelligent lifting and turning equipment for deep hole oil cylinder and use method Technical Field The invention relates to the technical field of turning over of deep-hole oil cylinders, in particular to intelligent lifting turning-over equipment of a deep-hole oil cylinder and a using method thereof. Background The deep hole oil cylinder is important flood discharging equipment of a hydropower station, water retaining and flood discharging mainly depend on the flood discharging deep hole oil cylinder to provide opening and closing force so as to open or close a deep hole arc door, according to the related standard requirements of equipment maintenance, the deep hole oil cylinder needs to be overhauled every certain year, the oil cylinder is hoisted in and out in the overhauling process, the oil cylinder is hoisted in and out of the overhauling process and is hoisted in the factory after turning over and loading, the height of the oil cylinder is about 76.5m from the installation position to the completion of a hoisting hole, the existing turning over mode is mainly realized by a hoop, 2 annular steel wire ropes are fixed on four lifting lugs of the hoop through buckles, and the hoisting out and the hoisting in of the oil cylinder are realized by a 300T crawler crane. When the turning operation is performed, the steel wire rope is mainly spread through the supporting rod, the sling is tied on the lower end cover part of the oil cylinder, and the oil cylinder turning operation is performed after the 300T crawler crane is matched with the door machine revolving crane. The existing turning-over mode of the deep hole oil cylinder has the following main defects: (1) The installation is complicated, the steel wire rope is required to be installed after the installation, the steel wire rope is prevented from scraping the oil cylinder body, and the steel wire rope is kept symmetrical at any time; (2) The risk is high, namely the upper supporting rod is contacted with the hanging strip, and the hanging strip is extruded and cut to cause the lifting risk; (3) The difficulty is high, when the 300T crawler crane and the portal crane are matched with the oil cylinder to turn over after lifting the hole, the oil cylinder turning over operation is mainly carried out by depending on the travelling speed of a gantry crane cart, wherein the travelling speed of the cart also directly influences the angle of a steel wire rope of the rotary crane so as to influence the operation safety of the rotary crane, and the turning over process is carried out only by depending on the vision and experience of a driver and a lifting command, so that the operation difficulty is high. Disclosure of Invention The invention aims to overcome the defects and provide intelligent lifting turning equipment for a deep hole oil cylinder and a using method thereof, so as to solve the problems in the background technology. The intelligent lifting turning device for the deep hole oil cylinder comprises an upper hoop device matched with the upper end of the oil cylinder and a lower hoop device matched with the lower end of the oil cylinder, wherein the upper hoop device comprises an upper hoop, two sides of the upper hoop are rotatably connected with two sides of a main body support, an angle encoder is arranged at the rotary connection position of the upper hoop, an upper lifting lug connected with an upper lifting rope of a crawler crane is arranged in the middle of the main body support, the lower hoop device comprises a lower hoop, and a lower lifting lug connected with a lower lifting rope of a gantry crane rotary crane is arranged at the side part of the lower hoop. Preferably, the main body support is of a U-shaped frame body structure, two side end parts of the main body support are hinged with one end of the rotating shaft, the other end of the rotating shaft is fixedly connected with the middle part of the U-shaped clamp, and the lug plates on two sides of the upper hoop are arranged in the U-shaped clamp and are connected through positioning pins. Preferably, the end of the rotating shaft is connected with the input end of the angle encoder, and the mounting plate of the angle encoder is fixed on the side part of the main body bracket. Preferably, the outer end of the rotating shaft is also provided with an oil filling nozzle. Preferably, the upper hoop comprises two half hoops, and the side parts of the two half hoops are connected through a first bolt. Preferably, the side part of the main body bracket is also provided with a laser range finder and a distribution box. Preferably, the lower anchor ear comprises two semi-ring hoops, the side parts of the two semi-ring hoops are connected through a second bolt, the end parts of the semi-ring hoops are provided with fixing rings, and the fixing rings are matched with bolts on the cylinder end cover. In addition, the invention also discloses a use method of the intelligent lifting turning-over