CN212799260U

CN212799260U - Converter steam pocket hoisting device based on hydraulic lifter

Info

Publication number: CN212799260U
Application number: CN202020352336.5U
Authority: CN
Inventors: 黄轶
Original assignee: China MCC20 Group Corp Ltd; Shanghai Ershiye Construction Co Ltd
Current assignee: China MCC20 Group Corp Ltd; Shanghai Ershiye Construction Co Ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-03-26
Anticipated expiration: 2030-03-19

Abstract

The utility model relates to a converter steam pocket hoisting device based on a hydraulic lifter; the device comprises a hydraulic lifter (1), a hoisting beam (2), a uniform load beam (3), an upright post (4), a support beam (5), an inclined strut (6), a sliding beam (7) and a steam pocket (8); the hydraulic lifter (1) is arranged on the hoisting beam (2) and adopts a four-point arrangement form; the hoisting beam (2) is formed by combining H-shaped steel; the equal load beam (3) is arranged at the end part of the hoisting beam (2), the upright post (4) and the inclined strut (6) are arranged at the two ends of the supporting beam (5), and the two ends of the sliding beam (7) are arranged on the supporting beam (5) and are fixed by welding a stop block. The technical advantages of the utility model are as follows: 1. the hoisting point is flexibly arranged; 2. the structure volume is small; 3. has the characteristic of repeated use; 4. the bearing strength is high.

Description

Converter steam pocket hoisting device based on hydraulic lifter

Technical Field

The utility model relates to an installation operation field of converter specifically is a converter steam pocket hoist device based on hydraulic pressure lifting mechanism.

Background

The existing converter steam pocket replacing method mainly adopts the method of reinforcing a converter high-layer frame roof beam and arranging a hoisting point for installing a winch to hang a pulley block for hoisting. Because converter roofing load is mostly light structure constitution for a short time, the converter steam pocket is heavy 45 tons and has high to hoisting structure bearing strength requirement, causes and to carry out the reinforcement measure of great work load just can satisfy the hoist and mount demand to roofing structure. Secondly, the existing hoisting modes are fixed hoisting points, and the multiple hoisting points cannot be accurately set due to uncertain factors in the hoisting process. In addition, in order to maintain normal operation of other production facilities in the high-rise frame, the stability of the structure of the high-rise frame of the converter must be ensured, the platform beam related in the hoisting path cannot be dismantled, the hoisting process needs to be continuously adjusted in order to avoid interference of the platform beam, the existing installation technology can only be carried out by adopting a method that a main hoist of a winch is matched with a chain inversion auxiliary hoisting, the construction efficiency is low, the safety is not high, and the requirement for quickly replacing a steam drum cannot be met.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned defect, provide a can shorten installation time and improve the steam pocket change device of hoist and mount reliability.

In order to achieve the above object, the present invention is realized as follows:

a converter steam drum hoisting device based on a hydraulic lifter comprises the hydraulic lifter, a hoisting beam, a uniform loading beam, a stand column, a supporting beam, an inclined strut, a sliding beam and a steam drum; the hydraulic lifter is arranged on the hoisting beam and adopts a four-point arrangement form; the hoisting beam is formed by combining H-shaped steel; the equal load beam is installed at the tip of hoist and mount roof beam, and stand and bracing are installed in a supporting beam both ends, and the roof beam both ends that slide are set up on a supporting beam and are welded the dog and fix.

According to the converter steam drum hoisting device based on the hydraulic lifter, hoisting beams are longitudinally arranged along a factory building structure, are parallel to the installation direction of a steam drum and are respectively positioned on two sides of the steam drum, each hoisting beam is composed of two H-shaped steels, and a gap steel strand is left between the two H-shaped steels and penetrates through the H-shaped steels to hoist the steam drum; the center of the hoisting beam coincides with the center of the trunnion of the steam drum, so that the hydraulic lifter can be guaranteed to be hoisted vertically.

Converter steam pocket hoist device based on hydraulic pressure lifting mechanism, hydraulic pressure lifting mechanism installs at the hoist and mount roof beam top, adopts the four-point to arrange the form, hydraulic pressure lifting mechanism and steam pocket trunnion one-to-one, divide into two sets of synchronous control that carry out, promote steam pocket front end and rear end trunnion respectively, hydraulic pressure lifting mechanism can freely remove at hoist and mount roof beam top plane under chain block pulls, can satisfy the requirement that hoisting point needs the constantly change among the hoist and mount process, realize the accurate control of hoist and mount process to the steam pocket gesture.

The technical advantages of the utility model are as follows:

1. the hoisting point is flexibly arranged: the lifting is carried out in a group control matching mode by adopting a plurality of hydraulic lifters, and the hydraulic lifters can freely move to change the lifting point position so as to realize the accurate control of the lifting posture of the steam pocket.

2. The structure is small in size and is suitable for installation and use in a limited space; the hoisting beams are arranged on two sides of the steam drum, no interference structure is arranged above the steam drum during hoisting, and the device is small in overall height and suitable for being installed and used in a limited space of a converter high-rise frame.

3. Has the characteristic of repeated use; the device is manufactured in a split mode and assembled in a field installation mode, auxiliary processing materials are not needed, and the whole device can be repeatedly used after being disassembled.

4. The bearing strength is high: the hoisting beam, the upright post and the inclined strut are all designed by adopting a double H-shaped steel structure, the manufacturing materials are all Q345B materials, and the welding line grade is two-stage.

Drawings

Fig. 1 is a schematic diagram of various parts of a converter steam drum hoisting device based on a hydraulic lifter.

Fig. 2 is an exploded schematic view of components of a converter steam drum hoisting device based on a hydraulic lifter.

Fig. 3 is a schematic diagram of a converter steam drum hoisting device based on a hydraulic lifter for sliding a steam drum in place.

Fig. 4 is a schematic diagram of a converter steam drum hoisting device based on a hydraulic lifter for hoisting a steam drum.

Detailed Description

The invention is further illustrated by the following specific examples.

As shown in fig. 1 to 4, a converter steam drum hoisting device based on a hydraulic lifter comprises a hydraulic lifter 1, a hoisting beam 2, a uniform load beam 3, a stand column 4, a support beam 5, an inclined strut 6, a sliding beam 7 and a steam drum 8; the hydraulic lifter 1 is arranged on the hoisting beam 2 and adopts a four-point arrangement form; the hoisting beam 2 is formed by combining H-shaped steel; the equal load beam 3 is arranged at the end part of the hoisting beam 2, the upright post 4 and the inclined strut 6 are arranged at the two ends of the supporting beam 5, and the two ends of the sliding beam 7 are arranged on the supporting beam 5 and are fixed by welding a stop block.

According to the converter steam drum hoisting device based on the hydraulic lifter, the hoisting beam 2 is longitudinally arranged along a factory building structure, is parallel to the installation direction of a steam drum and is respectively positioned on two sides of the steam drum, the hoisting beam 2 is composed of two H-shaped steels, and a gap steel strand is left between the two H-shaped steels and penetrates through the gap steel strand to hoist the steam drum; the center of the hoisting beam 2 coincides with the center of the trunnion of the steam drum, so that the hydraulic lifter can be guaranteed to be hoisted vertically.

Converter steam pocket hoist device based on hydraulic pressure lifting mechanism, hydraulic pressure lifting mechanism 1 is installed at 2 tops of hoist and mount roof beams, adopts the four-point to arrange the form, hydraulic

pressure lifting mechanism

1 and 8 gudgeons one-to-one of steam pocket divide into two sets and carry out synchro control, promote steam pocket front end and rear end trunnion respectively, hydraulic pressure lifting mechanism 1 can freely remove at 2 top planes of hoist and mount roof beams under chain block pulls, can satisfy the requirement that the hoisting point needs constantly change among the hoist and mount process, realize the accurate control of hoist and mount process to the steam pocket gesture.

The manufacturing and using method of the hoisting device comprises the following steps:

step one, manufacturing and installing a supporting beam and a sliding beam (as shown in figure 1)

The supporting beams 5 are made of H-shaped steel with 600mm multiplied by 400mm and 8000mm long section, and the center distance of the two supporting beams is 12000mm and is larger than the length of the steam pocket 8. The slippage beam 7 is made of 300mm multiplied by 300mm section H-shaped steel, the height of the section steel is consistent with that of a steam pocket 8 fixing base, two H-shaped steel are selected for slippage of the steam pocket and mounted on the supporting beam 5, the middle of the supporting beam is used as the center, the two slippage beams 7 are placed at the interval of 2800mm, and the slippage beams 7 are fixed on the supporting beam 5 by welding a stop block on a lower flange plate at the bottom of the slippage beams 7.

Step two, manufacturing and installing the upright column (as shown in figure 1)

The upright posts 4 are made of 300mm multiplied by 300mm section H-shaped steel, the H-shaped steel wing plates are placed at the positions of 3000mm of the space between the two sides of the middle part of the supporting beam 5 on the basis of the H-shaped steel wing plates, the clearance size between the upright posts 4 is kept to be larger than the width of the steam drum 8, and the steam drum 8 can smoothly pass through the sliding process without interference. The inclined strut 6 is made of 300mm multiplied by 300mm section H-shaped steel, one end of the inclined strut is welded on the side surface of the upright post 4, and the other end of the inclined strut is welded on the supporting beam 5.

Step three, manufacturing and installing the hoisting beam (as shown in figure 2)

The hoisting beam 2 is made of H-shaped steel with 700mm multiplied by 300mm cross section, and a steel plate with 16mm thickness is welded between the wing plates of the H-shaped steel at the interval of 500mm as a rib plate. The load balancing beam 3 is made of H-shaped steel with a section of 600mm multiplied by 300mm, and is selected to be a section with a length of 1000 mm. The method comprises the steps of placing a first piece of H-shaped steel by taking the edge of one side of an equal load beam 3 as a positioning starting point, placing a second piece of H-shaped steel 400mm away from the center of the first piece of H-shaped steel, leaving a gap of 100mm between the two pieces of H-shaped steel, and enabling the centers of the two pieces of H-shaped steel of a hoisting beam 2 to coincide with the centers of the two pieces of H-shaped steel forming a stand column 4.

Step four, the steam pocket slides in place (as shown in figure 3)

After the steam drum 8 slides to the central position of the hoisting beam 2, the hydraulic lifters 1 are respectively connected with the trunnions of the steam drum 8, and the hydraulic lifters 1 are divided into two groups to respectively lift the front part and the rear part of the steam drum 8. Firstly, the four hydraulic lifters 1 are lifted simultaneously to be separated from the contact with the sliding beam 7, and then the sliding beam 7 is dismantled.

Step five, steam pocket hoisting (as shown in figure 4)

Firstly keeping two hydraulic lifters at the front part of a steam drum 8 still, slowly releasing steel strands by two hydraulic lifters at the rear part of the steam drum 8, respectively using a chain block to pull four hydraulic lifters 1 to approach the middle part of a hoisting beam 2 in the descending process of the rear part of the steam drum 8, releasing the hydraulic lifter 1 at the rear part of the steam drum 8 when the steam drum 8 reaches a vertical state, completing vertical hoisting operation only by using two hydraulic lifters 1 at the front part of the steam drum 8, hanging the hydraulic lifter 1 at the rear part on a steam drum trunnion when the steam drum 8 approaches the ground, contracting the steel strands of the hydraulic lifter 1 at the rear part, releasing the steel strands of the hydraulic lifter 1 at the front part, simultaneously using the chain block to pull four hydraulic lifters 1 to respectively move to two ends of the hoisting beam 2, and finally horizontally placing the steam drum 8 on the ground.

Claims

1. The utility model provides a converter steam pocket hoist device based on hydraulic pressure lifting mechanism, characterized by: the device comprises a hydraulic lifter (1), a hoisting beam (2), a uniform load beam (3), an upright post (4), a support beam (5), an inclined strut (6), a sliding beam (7) and a steam pocket (8); the hydraulic lifter (1) is arranged on the hoisting beam (2) and adopts a four-point arrangement form; the hoisting beam (2) is formed by combining H-shaped steel; the equal load beam (3) is arranged at the end part of the hoisting beam (2), the upright post (4) and the inclined strut (6) are arranged at the two ends of the supporting beam (5), and the two ends of the sliding beam (7) are arranged on the supporting beam (5) and are fixed by welding a stop block.

2. The converter drum hoisting device based on the hydraulic lifter as claimed in claim 1, wherein: the hoisting beam (2) is longitudinally arranged along the plant structure, is parallel to the installation direction of the steam drum and is respectively positioned at two sides of the steam drum, the hoisting beam (2) consists of two H-shaped steels, and a gap steel strand is left between the two H-shaped steels and penetrates through the H-shaped steels to hoist the steam drum; the center of the hoisting beam (2) coincides with the center of the trunnion of the steam drum, so that the hydraulic lifter (1) is guaranteed to be hoisted vertically.

3. The converter drum hoisting device based on the hydraulic lifter as claimed in claim 1, wherein: hydraulic pressure lifting mechanism (1) is installed at hoist and mount roof beam (2) top, adopts the four-point to arrange the form, hydraulic pressure lifting mechanism (1) and drum (8) trunnion one-to-one, divide into two sets and carry out synchro control, promote drum front end and rear end trunnion respectively, hydraulic pressure lifting mechanism (1) can be in hoist and mount roof beam (2) top plane free movement under the chain block is pull, can satisfy the requirement that hoist and mount in-process hoisting point need constantly change, realize the accurate control of hoist and mount process to the drum gesture.