CN222475979U - Metallurgical crane with automatic rotating lifting appliance - Google Patents

Abstract

The utility model provides a metallurgical hoist with autogiration hoist, including the crane frame body, the both ends of crane frame body are equipped with cart running gear, be equipped with the lifting trolley on the crane frame body, be equipped with first hoisting mechanism on the lifting trolley, second hoisting mechanism and third hoisting mechanism, the below of crane frame body is equipped with main hoist and vice hoist, main hoist includes the ring bracket, each assembly pulley passes through wire rope and corresponds to be connected on first hoisting mechanism and second hoisting mechanism, the transversal L type of personally submitting of ring bracket, and be fixed with annular rail on the ring bracket, the top of brace table is equipped with the brace table, the bottom of brace table is equipped with a plurality of rotary mechanism that is used for driving brace table pivoted, the below of ring bracket is equipped with the supporting beam that the level set up, be fixed with a plurality of fixed plate between supporting beam and the brace table, the both ends of supporting beam can be dismantled and be provided with main lifting hook. The utility model has simple structure and convenient use.

Description

Metallurgical crane with automatic rotating lifting appliance

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a metallurgical crane with an automatic rotating lifting appliance.

Background

The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, and is also called a crown block, an aerial crane and a crane; the hoist generally includes hoist girder, hoist end beam, cart running gear, lifting trolley, dolly running gear, hoisting mechanism and plays to rise the hoist, and metallurgical hoist generally still includes main lifting hook and vice lifting hook, during the use, main lifting hook lifts the ladle, vice lifting hook removes the lower extreme of ladle, promote vice lifting hook, empty the molten steel in the ladle, but the hoist of current metallurgical hoist does not possess rotatory function mostly, during the use, need the staff to pull main lifting hook and overturn certain angle and get main lifting hook on the lug of ladle both sides, because the molten steel temperature is higher in the ladle, staff work is harmful to the health around the ladle again, and is dangerous, therefore, current metallurgical hoist is inconvenient to use, work efficiency is low.

Disclosure of utility model

The utility model provides a metallurgical crane with an automatic rotation lifting appliance, which solves the technical problems of the prior metallurgical crane that the prior metallurgical crane is practical and inconvenient because of being unable to rotate and has lower working efficiency, and comprises a lifting frame body, wherein, the two ends of the lifting frame body are provided with cart travelling mechanisms which are assembled at the two ends of an end beam and comprise cart travelling wheels and cart travelling motors, the cart traveling wheel is rotatably assembled on the end beam, the cart traveling motor is fixed in the end beam, the power output shaft of the cart traveling motor is in transmission connection with the cart traveling wheel, the cart traveling motor is started, the cart traveling motor drives the cart traveling wheel to rotate, and the cart traveling wheel drives the crane frame body to freely move along the cart traveling track. The crane frame body is provided with a crane trolley, the crane trolley is provided with a trolley travelling mechanism, the trolley travelling mechanism comprises trolley travelling wheels assembled on the crane trolley and a trolley travelling motor fixed on the crane trolley, the trolley travelling motor is in transmission connection with the trolley travelling wheels, the trolley travelling wheels are in rolling fit on trolley travelling rails laid on the top ends of the main beams, and the trolley travelling motor is started to drive the trolley travelling wheels to rotate. The lifting trolley is provided with a first lifting mechanism, a second lifting mechanism and a third lifting mechanism, the second lifting mechanism is arranged above the first lifting mechanism, the first lifting mechanism and the second lifting mechanism are distributed in a cross-shaped mode, a main lifting appliance and a secondary lifting appliance are arranged below the lifting frame body, the main lifting appliance is connected to the first lifting mechanism and the second lifting mechanism through steel wires, and the secondary lifting appliance is connected to the third lifting mechanism through steel wires. The main hoist includes the ring support, and the top of ring support is equipped with four pulley supports, and four pulley supports are around the even interval distribution of ring support circumference, and pulley support's upper end is equipped with the assembly pulley, and each assembly pulley passes through wire rope to be connected on first hoisting mechanism and second hoisting mechanism correspondingly, and ring support's transversal L type of personally submitting is fixed with annular rail on the ring support, and ring support's top is equipped with the brace table, and the bottom of brace table is equipped with a plurality of and is used for driving brace table pivoted slewing mechanism. The rotating mechanism comprises a roller support which is in an inverted U shape, the top end of the roller support is fixed at the bottom end of the supporting table, the lower end of the roller support is rotatably provided with rollers, the rollers are in rolling fit on the annular track, a motor is fixed on the roller support, a power output shaft of the motor is connected with the rollers in a driving manner, the motor is started, and the motor drives the rollers to rotate along the annular track, so that the supporting table and a main lifting hook below the supporting table are driven to rotate. A supporting beam which is horizontally arranged is arranged below the annular support, a plurality of fixing plates are fixed between the supporting beam and the supporting table, and main lifting hooks are detachably arranged at two ends of the supporting beam.

Preferably, the crane frame body comprises two parallel main beams which are arranged at intervals, two end beams are arranged between the two main beams, and the end parts of the main beams are detachably fixed on the end beams.

Preferably, the auxiliary lifting appliance comprises an auxiliary lifting hook, the top end of which is provided with a movable pulley assembly, and the movable pulley assembly is connected to the third lifting mechanism through a steel wire rope.

Preferably, the first lifting mechanism, the second lifting mechanism and the third lifting mechanism all comprise lifting reels, lifting motors and speed reducers, the lifting reels are rotatably assembled at the top ends of the lifting trolleys through supports, the lifting motors and the speed reducers are fixed on the lifting trolleys, and power output shafts of the lifting motors are in transmission connection with the lifting reels through the speed reducers.

The adoption of the scheme has the following advantages:

The annular bracket, the first lifting mechanism and the second lifting mechanism are arranged in a cross shape, so that the stability of the main lifting appliance can be enhanced, the swinging and shaking of the main lifting appliance can be reduced, a ladle can be conveyed more stably, high-temperature molten steel in the ladle is prevented from being scattered, the rotating mechanism and the supporting table are arranged, the rotating mechanism drives the supporting table to rotate, the main lifting hook can rotate, the auxiliary lifting hook can be suitable for lifting of the ladle with larger tonnage, and the auxiliary lifting hook is convenient to be matched with the main lifting hook to overturn and pour the molten steel in the ladle.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a main spreader;

Fig. 3 is a schematic structural view of the toroidal support.

The lifting frame comprises a lifting frame body 1, a lifting trolley 2, a main lifting appliance 3, a main lifting appliance 4, an auxiliary lifting appliance 5, a steel wire rope 11, a large vehicle running mechanism 12, a large vehicle running track 13, a main beam 14, an end beam 21, a first lifting mechanism 22, a second lifting mechanism 23, a third lifting mechanism 31, an annular support frame 32, a pulley support frame 321, a pulley block 33, an annular track 34, a supporting table 35, a rotating mechanism 351, a roller support frame 352, a roller 353, a motor 36, a supporting beam 37, a fixed plate 38, a main lifting hook 41, an auxiliary lifting hook 42 and a movable pulley assembly.

Detailed Description

As shown in fig. 1-3, a metallurgical crane with an automatic rotation lifting appliance comprises a crane frame body 1, wherein the crane frame body 1 comprises two parallel main beams 13 which are arranged at intervals, two end beams 14 are arranged between the two main beams 13, the end parts of the main beams 13 are detachably fixed on the end beams 14, two ends of the crane frame body 1 are provided with cart travelling mechanisms 11, the cart travelling mechanisms 11 are assembled at two ends of the end beams 14, each cart travelling mechanism 11 comprises cart travelling wheels and a cart travelling motor, the cart travelling wheels are rotatably assembled on the end beams 14, the cart travelling motors are fixed in the end beams 14, a power output shaft of each cart travelling motor is in cart travelling wheel transmission connection, the cart travelling motors are started, and drive the cart travelling wheels to rotate along a cart travelling rail 12 to drive the crane frame body 1 to freely move. The crane frame body 1 is provided with a crane trolley 2, the crane trolley 2 is provided with a trolley travelling mechanism, the trolley travelling mechanism comprises a trolley travelling wheel assembled on the crane trolley 2 and a trolley travelling motor fixed on the crane trolley 2, the trolley travelling motor is in transmission connection with the trolley travelling wheel, the trolley travelling wheel is in rolling fit on a trolley travelling rail laid at the top end of the main beam 13, and the trolley travelling motor is started to drive the trolley travelling wheel to rotate. The lifting trolley 2 is provided with a first lifting mechanism 21, a second lifting mechanism 22 and a third lifting mechanism 23, the second lifting mechanism 22 is arranged above the first lifting mechanism 21, the first lifting mechanism 21 and the second lifting mechanism 22 are distributed in a cross-shaped mode, a main lifting appliance 3 and an auxiliary lifting appliance 4 are arranged below the lifting frame body 1, the main lifting appliance 3 is connected to the first lifting mechanism 21 and the second lifting mechanism 22 through a steel wire rope 5, and the auxiliary lifting appliance 4 is connected to the third lifting mechanism 23 through the steel wire rope 5. The main lifting appliance 3 comprises an annular support 31, four pulley supports 32 are arranged at the top end of the annular support 31, the four pulley supports 32 are evenly distributed at intervals around the circumference of the annular support 31, pulley blocks 321 are assembled at the upper end of the pulley support 32, each pulley block 321 is correspondingly connected to the first lifting mechanism 21 and the second lifting mechanism 22 through a steel wire rope 5, the cross section of the annular support 31 is L-shaped, an annular rail 33 is fixed on the annular support 31, a supporting table 34 is arranged above the annular rail 33, and a plurality of rotating mechanisms 35 used for driving the supporting table 34 to rotate are arranged at the bottom end of the supporting table 34. The rotating mechanism 35 comprises an inverted U-shaped roller support 351, the top end of the roller support 351 is fixed at the bottom end of the supporting table 34, a roller 352 is rotatably assembled at the lower end of the roller support 351, the roller 352 is in rolling fit on the annular track 33, a motor 353 is fixed on the roller support 351, a power output shaft of the motor 353 is in transmission connection with the roller 352, the motor 353 is started, the motor 353 drives the roller 352 to rotate along the annular track 33, and accordingly the supporting table 34 and a main lifting hook 38 below the supporting table 34 are driven to rotate. A supporting beam 36 which is horizontally arranged is arranged below the annular bracket 31, a plurality of fixing plates 37 are fixed between the supporting beam 36 and the supporting table 34, and main hooks 38 are detachably arranged at two ends of the supporting beam 36.

Preferably, the secondary spreader 4 comprises a secondary hook 41, the top end of the secondary hook 41 being equipped with a travelling block assembly 42, the travelling block assembly 42 being connected to the third hoisting mechanism 23 by means of a wire rope 5.

Preferably, the first lifting mechanism 21, the second lifting mechanism 22 and the third lifting mechanism 23 comprise lifting drums, lifting motors and speed reducers, the lifting drums are rotatably assembled at the top ends of the lifting trolleys 2 through supports, the lifting motors and the speed reducers are fixed on the lifting trolleys 2, and power output shafts of the lifting motors are in transmission connection with the lifting drums through the speed reducers.

The using process comprises the following steps:

When the trolley is used, the trolley travelling mechanism 11 is started, the trolley travelling mechanism 11 drives the trolley frame body 1 to move to the upper part of the steel ladle along the trolley travelling rail 12, then the trolley 2 is started, the trolley 2 moves to the position right above the steel ladle along the trolley travelling rail at the top end of the main beam 13, then the first lifting mechanism 21 and the second lifting mechanism 22 are started simultaneously, the first lifting mechanism 21 and the second lifting mechanism 22 release the steel wire rope 5, the main lifting appliance 3 falls to the steel ladle, the angle of the main lifting hook 38 is adjusted according to requirements, the motor 353 on the rotating mechanism 35 is started, the motor 353 drives the roller 352 to rotate along the annular rail 33, the supporting table 34 rotates in a rotary mode under the action of the roller 352, so that the position of the main lifting hook 38 is adjusted, after the position of the main lifting hook is adjusted, the main lifting hook 38 is hung on a lifting lug of the steel ladle, then the third lifting mechanism 23 is started, the auxiliary lifting hook 41 falls to the lower end of one side of the steel ladle along with the steel wire rope 5, the auxiliary lifting hook 41 is hung on the lifting lug at the lower end of the steel ladle, and simultaneously the first lifting mechanism 21, the second lifting mechanism 22 and the third lifting mechanism 23 fall to the steel ladle 23, and the second lifting mechanism 23 in the steel ladle are well lifted by the first lifting mechanism 21 and the second lifting mechanism 23 are moved to the second lifting mechanism 23, and the second lifting mechanism 23 in a certain degree of the steel ladle is well, and the second lifting mechanism is moved to the steel ladle is well, and the lifting mechanism 23 is moved to the position is in the lifting mechanism 23 is in a certain position is in the lifting mechanism is in a lifting mode, and has.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (7)

1. A metallurgical crane with an automatic rotating sling, comprising a crane frame, a trolley travel mechanism is arranged at both ends of the crane frame, a lifting trolley is mounted on the crane frame, and is characterized in that: the lifting trolley is provided with a first lifting mechanism, a second lifting mechanism and a third lifting mechanism, the second lifting mechanism is arranged above the first lifting mechanism, and the first lifting mechanism and the second lifting mechanism are arranged in a cross shape, a main sling and an auxiliary sling are arranged below the crane frame, the main sling is connected to the first lifting mechanism and the second lifting mechanism by a steel wire rope, and the auxiliary sling is connected to the third lifting mechanism by a steel wire rope; the main sling includes an annular support A frame, four pulley brackets are provided at the top of the annular bracket, and the four pulley brackets are evenly spaced around the annular bracket, a pulley block is installed at the upper end of the pulley bracket, and each pulley block is correspondingly connected to the first lifting mechanism and the second lifting mechanism through a steel wire rope, the cross-section of the annular bracket is L-shaped, and an annular track is fixed on the annular bracket, a support platform is provided above the annular bracket, and a plurality of rotating mechanisms for driving the support platform to rotate are provided at the bottom end of the support platform, a horizontally arranged support beam is provided below the annular bracket, a plurality of fixing plates are fixed between the support beam and the support platform, and main hooks are detachably provided at both ends of the support beam. 2. A metallurgical crane with an automatic rotating sling according to claim 1, characterized in that: the rotating mechanism includes an inverted U-shaped roller bracket, the top end of the roller bracket is fixed to the bottom end of the support platform, the lower end of the roller bracket is rotatably equipped with a roller, the roller is press-fitted on the annular track, an electric motor is fixed on the roller bracket, and the power output shaft of the motor is transmission-connected to the roller. 3. A metallurgical crane with an automatic rotating sling according to claim 1, characterized in that the crane frame includes two parallel and spaced main beams, two end beams are arranged between the two main beams, and the ends of the main beams can be detachably fixed to the end beams. 4. A metallurgical crane with an automatic rotating sling according to claim 3, characterized in that the trolley traveling mechanism is assembled at both ends of the end beam. 5. A metallurgical crane with an automatic rotating sling according to claim 4, characterized in that the trolley traveling mechanism includes a trolley traveling wheel and a trolley traveling motor, the trolley traveling wheel is rotatably mounted on the end beam, the trolley traveling motor is fixed on the inner side of the end beam, and the power output shaft of the trolley traveling motor is transmission-connected to the trolley traveling wheel. 6. A metallurgical crane with an automatic rotating sling according to claim 1, characterized in that the auxiliary sling comprises an auxiliary hook, a movable pulley assembly is mounted on the top of the auxiliary hook, and the movable pulley assembly is connected to the third lifting mechanism through a steel wire rope. 7. A metallurgical crane with an automatic rotating sling according to any one of claims 1 to 6, characterized in that the first lifting mechanism, the second lifting mechanism and the third lifting mechanism each include a lifting drum, a lifting motor and a reducer, the lifting drum is rotatably mounted on the top of the lifting trolley through a bracket, the lifting motor and the reducer are both fixed on the lifting trolley, and the power output shaft of the lifting motor is transmission-connected to the lifting drum through the reducer.