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CN-121974258-A - Conversion furnace attic modularized integral hoisting system and method

CN121974258ACN 121974258 ACN121974258 ACN 121974258ACN-121974258-A

Abstract

The invention discloses a conversion furnace attic modularized integral hoisting system and a conversion furnace attic modularized integral hoisting method, which belong to the technical field of conversion furnace attic hoisting, and comprise a ground assembly bearing module and a hoisting module, wherein the ground assembly bearing module comprises a basic platform and a positioning mechanism arranged on the basic platform and used for positioning and fixing attic column feet, the positioning mechanism comprises at least two groups of H-shaped steel arranged on the basic platform, a plurality of groups of profiling positioning plates arranged on the H-shaped steel and used for being matched with attic column foot bottom plates, connecting bolts inserted on the profiling positioning plates, and a driving actuator arranged on the side walls of the H-shaped steel. According to the invention, by adopting a construction mode of combining the ground assembly bearing module and the integral hoisting module, the one-time hoisting of the converter attic structure in place after the integral assembly is finished in advance on the ground is realized, and the problems of high operation risk, low work efficiency, strong dependence on site conditions and the like in the traditional high-altitude bulk method are effectively solved.

Inventors

  • XU WENHUI
  • LI WENWEI

Assignees

  • 中国化学工程第三建设有限公司

Dates

Publication Date
20260505
Application Date
20260127

Claims (10)

  1. 1. The modular integral hoisting system for the attic of the converter is characterized by comprising a ground assembling bearing module for assisting workers in assembling the attic on the ground and a hoisting module (400) for hoisting the assembled attic to the top of the converter; The ground assembly bearing module comprises a foundation platform and a positioning mechanism (200) arranged on the foundation platform and used for positioning and fixing attic column bases, the positioning mechanism (200) comprises at least two groups of H-shaped steel (201) arranged on the foundation platform, a plurality of groups of profiling positioning plates (203) arranged on the H-shaped steel (201) and used for being matched with attic column base plates, connecting bolts (208) arranged on the profiling positioning plates (203) in an inserted mode, and a driving actuator arranged on the side walls of the H-shaped steel (201) and used for driving the connecting bolts (208) to do vertical movement so as to lock or unlock the profiling positioning plates (203) and the attic column base plates.
  2. 2. The hoisting system according to claim 1, wherein the foundation platform is formed by assembling a plurality of bearing plate mechanisms (100), the bearing plate mechanisms (100) comprise plate bodies (101), mounting holes (102) used for being connected with H-shaped steel (201) are uniformly formed in the plate bodies (101), inserting blocks (103) are arranged on two side surfaces of the plate bodies (101), inserting grooves (104) used for inserting the inserting blocks (103) are formed in the other two side surfaces, hidden grooves are formed in positions, corresponding to the inserting grooves (104), of one side of the plate bodies (101), the hidden grooves are communicated with the corresponding inserting grooves (104) through T-shaped through holes, movable plates (105) are arranged in the hidden grooves, T-shaped locking rods (106) are arranged on one side of the movable plates (105), the locking rods (106) penetrate through the T-shaped through holes and extend into the inserting grooves (104), elastic pieces (107) used for providing elastic reset force for the locking rods (106) are arranged on the outer walls of the locking rods (106), and through holes used for the locking rods (106) penetrate through holes are formed in the inserting blocks (103).
  3. 3. The hoisting system according to claim 1, characterized in that a guide rail (202) is arranged on the H-shaped steel (201), a plurality of groups of sliding blocks (204) are arranged in the guide rail (202) in a sliding mode, the sliding blocks (204) and the profiling locating plates (203) are in one-to-one correspondence, movable openings are formed in the side walls of the sliding blocks (204) in a penetrating mode, connecting blocks (205) capable of vertically moving are slidably arranged in the movable openings, the connecting blocks (205) are detachably and fixedly connected with the profiling locating plates (203), elastic connecting pieces (206) are arranged on the inner walls of the connecting blocks (205) and the movable openings, inserting holes for inserting the inserting posts (207) are formed in the bottoms of the profiling locating plates (203), and a plurality of groups of inserting holes are formed in the tops of the guide rail (202) along the length directions of the inserting holes.
  4. 4. The hoisting system according to claim 1, wherein the driving actuator comprises a housing (211) with a hollow top, a mounting seat is slidably arranged on one side of the housing (211), the mounting seat is connected with the housing (211) through a first telescopic device (210), the first telescopic device (210) is used for driving the housing (211) to lift relative to the mounting seat, the mounting seat is arranged on a linear driving device (209), the linear driving device (209) is arranged on the side wall of the H-shaped steel (201) and is used for driving the mounting seat to move along the length direction of the H-shaped steel (201), a movable plate (212) is movably arranged in the housing (211), the movable plate (212) is driven to lift through a second telescopic device (213) arranged in the housing (211), and a connecting part for fixing a connecting bolt (208) is arranged on the movable plate (212); Threaded holes for being matched with connecting bolts (208) are formed in the profiling locating plate (203) and the attic column foot bottom plate, one end of each connecting bolt (208) is arranged in the threaded hole of the profiling locating plate (203), and the connecting bolt (208) is provided with a non-circular head for being matched with the connecting portion.
  5. 5. The hoisting system of claim 4, wherein the connecting portion comprises a cylinder (214) with one end rotatably arranged on the moving plate (212), a groove body for being matched with the non-circular head is formed in the top end of the cylinder (214), and a locking piece for fixing the non-circular head in the groove body is arranged on the outer wall of the cylinder (214).
  6. 6. The hoisting system according to claim 5, wherein the locking member comprises two groups of limiting pins (215) symmetrically inserted at two sides of the cylinder (214), one end of each limiting pin (215) extends into the groove body and is used for being attached to the top of the non-circular head, the other end of each limiting pin is rotatably connected with a connecting rod (216), one end of each connecting rod (216), which is far away from each limiting pin (215), is rotatably connected with the corresponding magnetic ring, the magnetic ring is movably sleeved on the outer wall of the cylinder (214), an electromagnetic block (217) is further arranged outside the cylinder (214) and below the magnetic ring, and the electromagnetic block (217) generates magnetic force with the same polarity as the lower end face of the magnetic ring when being electrified so as to drive the magnetic ring to move upwards along the cylinder (214), and then the limiting pins (215) are driven to move outwards through the connecting rods (216), and an elastic member II is further connected between the magnetic ring and the cylinder (214) and is used for enabling the magnetic ring to reset downwards after the electromagnetic block (217) is powered off.
  7. 7. The lifting system of claim 1, wherein the floor assembly load module further comprises a plurality of sets of adjustable support mechanisms (300) disposed on a side wall of the base platform.
  8. 8. The hoisting system according to claim 7, wherein the adjustable supporting mechanism (300) comprises a sleeving seat (301) sleeved on the outer side of the inserting block (103), and a mounting block (302) arranged on one side of the sleeving seat (301) and used for being inserted into the slot (104), an inserting port for inserting the inserting block (103) is formed in the other side of the sleeving seat (301), a fixing piece (303) used for being inserted into the first through hole to fix the inserting block (103) and the sleeving seat (301) is inserted into the sleeving seat (301), a second through hole for a locking rod (106) to pass through is formed in the mounting block (302), an adjusting screw (305) is inserted into the sleeving seat (301) in a threaded mode, a connecting seat (306) is connected to the bottom of the adjusting screw (305) in a rotating mode, and an inserting piece (304) capable of being inserted into the ground is arranged at the bottom of the connecting seat (306).
  9. 9. Hoisting system according to claim 1, characterized in that the hoisting module (400) is an automotive crane.
  10. 10. A method of modular integral hoisting of a converter attic using a hoisting system according to any one of claims 1-9, comprising the steps of: S1, paving and leveling a foundation platform on a preset site, fixing at least two groups of H-shaped steel (201) on the foundation platform, and positioning and installing a plurality of groups of profiling positioning plates (203) on the H-shaped steel (201) according to attic design coordinates; s2, hoisting each column foot of the attic onto the corresponding profiling positioning plate (203) one by one, driving the connecting bolts (208) by using the driving actuator, locking and fixing each column foot bottom plate of the attic with the corresponding profiling positioning plate (203), and then completing assembly of other components of the attic on the basis of the column feet to form a complete attic module; And S3, after the attic modules are assembled, the locking state of the attic column foot bottom plate and the profiling positioning plate (203) is relieved by driving an actuator before hoisting, and then the whole attic module is stably hoisted away from the ground assembled bearing module by using the hoisting module (400) and is integrally hoisted to a design position of the top of the conversion furnace for in-place installation.

Description

Conversion furnace attic modularized integral hoisting system and method Technical Field The invention relates to the field of attic hoisting of a converter, in particular to a modular integral attic hoisting system and method of the converter. Background In the converter equipment installation engineering in the fields of large-scale chemical industry, oil refining and the like, the attic structure at the top is used as a key component part of an integrated process pipeline and an operation platform, a high-altitude bulk construction method is generally adopted in the prior art, namely, a main body steel structure is firstly hung to the top of a height of tens of meters in a subsection way, then piece-by-piece assembly, welding and accessory equipment installation are carried out, a large number of welding, bolt fastening and equipment connection operations are required to be carried out in a narrow high-altitude environment, obvious safety risks and personnel falling hidden dangers exist, the high-altitude operation efficiency is low, the weather influence factors are high, the construction period is prolonged, the cost is increased, and particularly in the projects with severe external or site conditions, such as adjacent pipe lanes, narrow roads and limited crane sites, and other operations are carried out at the periphery at the same time, the traditional method is more obviously limited, the large-scale hoisting machinery cannot be flexibly unfolded, and the high-altitude operation amount required by bulk is further the safety management and control difficulty and the construction efficiency are provided. Disclosure of Invention The invention aims to provide a modular integral hoisting system and method for a converter attic, which are used for solving the problems. The invention realizes the above purpose through the following technical scheme: The utility model provides a conversion furnace attic modularization integral hoisting system, includes the ground that is used for assisting the staff to assemble the attic at ground and assembles the carrier module, and is used for hoisting the attic of assembling to the lifting module at conversion furnace top; The ground assembly bearing module comprises a foundation platform and a positioning mechanism arranged on the foundation platform and used for positioning and fixing attic column bases, the positioning mechanism comprises at least two groups of H-shaped steel arranged on the foundation platform, a plurality of groups of profiling positioning plates arranged on the H-shaped steel and used for being matched with attic column base plates, connecting bolts arranged on the profiling positioning plates in an inserted mode, and a driving actuator arranged on the side walls of the H-shaped steel and used for driving the connecting bolts to vertically move so as to connect or loosen the profiling positioning plates and the attic column base plates. The foundation platform is further improved in that the foundation platform is formed by assembling a plurality of bearing plate mechanisms, each bearing plate mechanism comprises a plate body, mounting holes for being connected with H-shaped steel are uniformly formed in the plate body, inserting blocks are arranged on two side faces of the plate body, inserting grooves for inserting the inserting blocks are formed in the other two side faces of the plate body, hidden grooves are formed in positions, corresponding to the inserting grooves, of one side of the plate body, the hidden grooves are communicated with the corresponding inserting grooves through T-shaped through holes, movable plates are arranged in the hidden grooves, T-shaped locking rods are arranged on one side of the movable plates, the locking rods penetrate through the T-shaped through holes and extend into the inserting grooves, first elastic pieces for providing elastic restoring force for the locking rods are arranged on the outer walls of the locking rods, and first through holes for the locking rods to penetrate are formed in the inserting blocks. The H-shaped steel is further improved in that a guide rail is arranged on the H-shaped steel, a plurality of groups of sliding blocks are arranged in the guide rail in a sliding manner, the sliding blocks and the profiling locating plates are in one-to-one correspondence, movable openings are formed in the side walls of the sliding blocks in a penetrating manner, connecting blocks capable of vertically moving are arranged in the movable openings in a sliding manner, the connecting blocks and the profiling locating plates are fixedly connected in a detachable manner, elastic connecting pieces are arranged on the inner walls of the connecting blocks and the movable openings, inserting columns are arranged at the bottoms of the profiling locating plates, and a plurality of groups of inserting sockets for inserting the inserting columns are formed in the tops of the guide rail along the length direction