CN202379642U

CN202379642U - Hoist-type lifting mechanism of steel ladle used for vacuum treatment of molten steel

Info

Publication number: CN202379642U
Application number: CN2011205737389U
Authority: CN
Inventors: 曹天浩; 刘李梅
Original assignee: Taiyuan Heavy Industry Co Ltd
Current assignee: Taiyuan Heavy Industry Co Ltd
Priority date: 2011-12-22
Filing date: 2011-12-22
Publication date: 2012-08-15
Anticipated expiration: 2021-12-22

Abstract

The ladle hoisting and lifting mechanism used for the vacuum treatment of molten steel relates to hoisting machinery and solves the problems of complex structure, high cost and difficult repair and maintenance of the existing hydraulic jacking device. The utility model is composed of a platform, a lifting mechanism, a winding steel wire rope and a ladle hanger. The lifting mechanism is installed on the platform. with connection. Because the utility model adopts the traditional crane lifting mechanism instead of the hydraulic jacking device, it has the advantages of simple structure, safe and reliable operation, convenient maintenance and low cost.

Description

Be used for the vacuum treated ladle elevator of molten steel lift system

Technical field

The utility model belongs to handling machinery, particularly a kind of suspender of steel ladle and lifting mechanism.

Background technology

At present, smelting industry adopts hydraulic jacking device that certain altitude is arrived in the steel ladle jacking when molten steel being carried out the processing of RH vacuum oxygen usually, through the RH vacuum reservoir molten steel is carried out application of vacuum then.The hydraulic jacking device complex structure of this steel ladle, cost is high, maintenance, maintenance difficulty.

Summary of the invention

The purpose of the utility model provides a kind of vacuum treated ladle elevator of molten steel lift system that is used for to the shortcoming of prior art, solves existing hydraulic jacking device complex structure, and cost is high, the problem of maintenance, maintenance difficulty.

The utility model is realized through following technical scheme:

A kind of vacuum treated ladle elevator of molten steel lift system that is used for; It is characterized in that: said ladle elevator lift system is made up of platform, lifting mechanism, lay winding wire ropes and steel ladle suspender; Said lifting mechanism is installed on the said platform, and said lay winding wire ropes is connected with said steel ladle suspender through reel, fixed pulley group, running block.

Said lifting mechanism is made up of two motors, two retarders, two reels, four fixed pulley groups, steel rope fixed end, two I coupler, an II coupler and four drgs; Two said electrical motors link to each other with two said input shaft of speed reducer through two said I coupler respectively; The output shaft of two said retarders; One end links to each other through said II coupler, and the other end drives two said reels respectively; Four fixed pulley groups, steel rope fixed ends are loaded on respectively on the factory building carrier bar.

Four said drgs are separately positioned on the high speed shaft both sides of two said retarders.

Said lay winding wire ropes; Form an osed top winding system through four groups of running blocks of suspender respectively from two reels, four groups of fixed pulley groups; Be that each reel has two steel ropes; A fag end of every steel rope is fixed on the two ends of reel, and after steel rope twined through the running block on fixed pulley group and the suspender, another fag end was fixed on the steel rope fixed end.

Described steel ladle suspender is made up of four groups of running blocks, two hanger beams and plate hook, automatic coupling mechanism, track adjusting wheel; Per two groups of running blocks are connected with a hanger beam; The hinged plate hook of hanger beam central authorities; Be provided with automatic coupling mechanism between plate hook and the hanger beam, the track adjusting wheel that matches with the factory building track also is equipped with at the two ends of hanger beam.

The utility model compared with prior art has the following advantages and beneficial effect:

The lifting mechanism of the utility model is loaded on mechanism's platform; Fixed pulley and wire rope fixing device are loaded on the factory building carrier bar; The steel rope fixed end can the quick adjustment length of steel wire rope; Make the stressed even, clear and definite of four steel ropes, it is stressed to have reduced mechanism's flat-bed, makes the device design more reasonable.Because the utility model adopts two motors, two retarders, two double crosslinking drums; Electrical motor links to each other with input shaft of speed reducer through coupler respectively; The output shaft of two retarders, an end links to each other through coupler, and the other end drives two double crosslinking drums through drum coupling.This clock type of drive can realize: when an electrical motor damaged, another electrical motor can be accomplished a working cycle, and steel ladle is placed into safe place.Simultaneously, the brake system of the utility model is four service brakes, is installed in respectively on the high speed shaft of retarder, and each drg can be braked whole load, and certain safety factor is arranged, and therefore, has guaranteed the safe and reliable of operation.The steel ladle suspender of the utility model is realized at the two ends of suspender track adjusting wheel being housed also by automatic hitch through the power hydraulic system that can bear hot environment, matches with the guide track of factory building, reduces rocking of to molten steel application of vacuum time steel ladle.In a word, the utility model adopts traditional crane hoisting mechanism to replace hydraulic jacking device, have simple in structure, practical, safe and reliable to operation, advantage such as maintaining is convenient, and cost is low.

Description of drawings

Fig. 1 is the structural representation (front view) of the utility model;

Fig. 2 is the planar view of hoist lifting device;

Fig. 3 is the lateral plan of hoist lifting device;

Fig. 4 is the structural representation of steel ladle suspender;

Fig. 5 is that the steel rope of lifting mechanism twines scheme drawing.

The utility model is further described through preferred embodiment below in conjunction with accompanying drawing.

The specific embodiment

Like Fig. 1, Fig. 2, shown in Figure 3; A kind of vacuum treated ladle elevator of molten steel lift system that is used for; Form by mechanism's platform 1, lifting mechanism 2, lay winding wire ropes 4 and steel ladle suspender 3; Lifting mechanism 2 is installed on mechanism's platform 1, and lay winding wire ropes 4 is connected with steel ladle suspender 3 through reel 203, fixed pulley group 204, running block 301.

Said lifting mechanism 2 is made up of two motors 201, two retarders 202, two reels 203, four fixed pulley groups 204, steel rope fixed end 205, two I coupler 206, an II coupler 207 and four drgs 208; Two said electrical motors 201 link to each other with the input shaft of two said retarders 202 through two said I coupler 206 respectively; The output shaft of two said retarders 202; One end links to each other through said II coupler 207; Realize mechanical synchronization and single machine operation of two reels, the other end drives two said reels 203 respectively, realizes hoisting, descending of steel ladle; Four fixed pulley groups 204, steel rope fixed ends 205 are loaded on respectively on the factory building carrier bar.

Described drg 208 has four, is installed in the high speed shaft both sides of two retarders 202 respectively.

As shown in Figure 4, described steel ladle suspender 3 is made up of four groups of running blocks 301, two hanger beams 302 and plate hook 303, automatic coupling mechanism 304, track adjusting wheel 305.Per two groups of running blocks 301 are connected with a hanger beam 302; Hanger beam 302 central hinged plate hooks 303; Be provided with automatic coupling mechanism 304 between plate hook 303 and the hanger beam 302; The track adjusting wheel 305 that matches with the factory building track also is equipped with at the two ends of hanger beam 302, reduces rocking of to molten steel application of vacuum time steel ladle.

As shown in Figure 5; Described lay winding wire ropes 4 forms an osed top winding system through four groups of running blocks 301 of suspender 3 respectively from two reels 203, four groups of fixed pulley groups 204; Be that each reel 203 has two steel ropes; A fag end of every steel rope is fixed on the two ends of reel, and after steel rope twined through the running block on fixed pulley group 204 and the suspender 301, another fag end was fixed on steel rope fixed end 205 (referring to Fig. 1); Through regulating length of steel wire rope, make the steel rope stress equalization.

The working process of the utility model:

1, the lifting mechanism of hoist lifting device descends, and the molten steel hired car reaches under the steel ladle suspender, and auto-coupling work is about to plate hook and places the upright position.

2, the lifting mechanism of hoist lifting device rises, when the limit switch of the plate hook mouth of hook with after the steel ladle gudgeon contact, prove link up with accurate; Lifting mechanism continues to promote; When rising to assigned address (through travel switch control), vacuum reservoir docks with steel ladle, the beginning application of vacuum.

3, dispose after, lift system falls, and steel ladle is placed on the molten steel hired car, auto-coupling work is accomplished and is broken off relations, the molten steel hired car leaves, and accomplishes a working cycle.

Claims

1. A ladle hoisting mechanism for vacuum treatment of molten steel, characterized in that: said ladle hoisting mechanism consists of platform (1), hoisting mechanism (2), winding wire rope (4) and ladle hanger (3) composition, the lifting mechanism (2) is installed on the platform (1), the winding steel wire rope (4) passes through the reel (203), the fixed pulley block (204), the movable pulley block (301) and the Said ladle spreader (3) is connected.

2. The hoisting and lifting device for ladle according to claim 1, characterized in that: the hoisting mechanism (2) is composed of two motors (201), two reducers (202), two drums (203) , four fixed pulley blocks (204), steel wire rope fixed ends (205), two No. I shaft couplings (206), one No. II shaft coupling (207) and four brakes (208), two described motors (201) are respectively connected to the input shafts of the two speed reducers (202) through the two No. I shaft couplings (206), and the output shafts of the two speed reducers (202), one end of which passes through the II No. shaft coupling (207) links to each other, and the other end drives two described reels (203) respectively; Four fixed pulley blocks (204), steel wire rope fixed end (205) are loaded on the factory building load-bearing beam respectively.

3. The ladle hoisting and lifting device according to claim 2, characterized in that the four brakes (208) are respectively arranged on both sides of the high-speed shafts of the two speed reducers (202).

4. according to claim 1 described ladle hoisting lifting device, it is characterized in that: described winding steel wire rope (4) is passed ladle spreader ( 3) The four sets of movable pulley blocks (301) form a closed winding system, that is, each drum (203) has two steel wire ropes, and a rope head of each steel wire rope is fixed at both ends of the drum (203), and the wire ropes pass through After the fixed pulley block (204) and the movable pulley block (301) on the ladle spreader (3) were wound, another rope end was fixed on the wire rope fixed end (205).

5. The ladle hoisting and lifting device according to claim 1, characterized in that: the ladle spreader (3) consists of four sets of movable pulley blocks (301), two spreader beams (302) and plate hooks (303), automatic hook mechanism (304) and guide wheel (305) form, every two groups of moving pulley blocks (301) are connected with a spreader crossbeam (302), spreader crossbeam (302) central hinge plate hook (303), An automatic hooking mechanism (304) is provided between the plate hook (303) and the spreader beam (302), and guide wheels (305) matched with the factory building track are also equipped at the two ends of the spreader beam (302).