CN212356307U - Fixed portal crane for tipping steel ladle - Google Patents
Fixed portal crane for tipping steel ladle Download PDFInfo
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- CN212356307U CN212356307U CN202022943073.8U CN202022943073U CN212356307U CN 212356307 U CN212356307 U CN 212356307U CN 202022943073 U CN202022943073 U CN 202022943073U CN 212356307 U CN212356307 U CN 212356307U
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- pulley block
- movable pulley
- fixed
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- fixedly connected
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Abstract
The utility model discloses a fixed gantry crane for ladle is tumbled, including girder, end beam, the girder bottom is provided with the landing leg, and landing leg fixed connection is provided with dolly running gear subaerial on the girder, is provided with hoisting mechanism on the dolly running gear, and hoisting mechanism has seted up the mounting hole including lifting motor, speed reducer, reel, wire rope and hook component on the dolly running gear, fixedly connected with installation axle, rotation connection have the balance arm in the mounting hole. A left fixed pulley block and a right fixed pulley block are rotatably connected to the mounting shaft, and two ends of the balance arm are provided with fixing holes; the lifting hook assembly comprises a connecting plate, a lifting hook, a left movable pulley block and a right movable pulley block, wherein the top of the connecting plate is provided with a mounting groove for mounting the movable pulley blocks, the two movable pulley blocks are mounted in the mounting groove, and the lifting hook is fixedly connected to the connecting plate; the utility model is used for solve prior art, when hoist installation, use, atress are uneven, the problem that the stability of hoist can not keep.
Description
Technical Field
The utility model relates to a gantry crane technical field, especially a fixed gantry crane for ladle tumbles.
Background
In the process of metal smelting, transferring liquid metal is an indispensable operation, and the buggy ladle slowly enters into people's sight because of the advantage of operating steadily, speed control is accurate, but how to empty the liquid metal in the ladle has become a comparatively difficult thing. In order to ensure the safety of the ladle during dumping, a common solution is to arrange two steel wire ropes on the lifting appliance, which are matched with each other to avoid unhooking, but when the lifting appliance is actually installed and used, the steel wire ropes on two sides of the lifting appliance are difficult to be completely symmetrical, and when the lengths of the two steel wire ropes are not matched, the lifting appliance can incline, so that the lifting appliance becomes unstable, and the safety of the ladle during dumping is influenced to a certain extent. Liquid metal in the ladle has mobility, so the focus of ladle when empting is not fixed, when the focus of ladle appears rocking about, can cause the influence to the stability of hoist, and does not set up on the present hoist and alleviate the unbalanced part and the structure of hoist left and right sides atress.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fixed gantry crane for ladle tumbles for among the solution prior art, when hoist installation, use, atress are uneven, the problem that the stability of hoist can not keep.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a fixed portal crane for tipping a steel ladle comprises a main beam and an end beam, wherein the bottom of the main beam is provided with supporting legs which are fixedly connected to the ground, the main beam is provided with a trolley running mechanism, the trolley running mechanism is provided with a hoisting mechanism, the hoisting mechanism comprises a hoisting motor, a speed reducer, a winding drum, a steel wire rope and a hook assembly for tipping the steel ladle, the trolley running mechanism is provided with a vertically arranged mounting hole, the mounting hole is positioned under the winding drum, a mounting shaft is fixedly connected in the mounting hole, a left fixed pulley block and a right fixed pulley block are rotatably connected on the mounting shaft, the left fixed pulley block and the right fixed pulley block are symmetrically arranged in the left and right directions, the symmetrical surfaces are marked as central surfaces, a balance arm is arranged in the mounting hole, two ends of the balance arm are respectively provided with a fixing hole for fixing; the lifting hook component is positioned right below the mounting hole and comprises a connecting plate, a lifting hook, a left movable pulley block and a right movable pulley block, a mounting groove for mounting the movable pulley blocks is formed in the top of the connecting plate, a connecting shaft is fixedly connected in the mounting groove, the two movable pulley blocks are rotatably connected to the connecting shaft and symmetrically arranged, the lifting hook is fixedly connected to one side of the connecting plate, and the lifting hook protrudes out of the front side edge of the connecting plate; the two ends of the winding drum are provided with safety brakes, the winding drum, the mounting shaft, the connecting shaft and the balance arm are arranged in the same direction, the winding drum and the balance arm are arranged in bilateral symmetry about a central plane, and the left movable pulley block and the right movable pulley block are arranged in bilateral symmetry about the central plane; the left steel wire rope is fixedly connected in a fixed hole at the left end of the balance arm after bypassing the left part of the winding drum, the left movable pulley block and the left fixed pulley block, and the right steel wire rope is fixedly connected in a fixed hole at the right end of the balance arm after bypassing the right part of the winding drum, the right movable pulley block and the right fixed pulley block.
Optionally, the left fixed pulley block is positioned right above the left movable pulley block, and the right fixed pulley block is positioned right above the right movable pulley block; each fixed pulley block is provided with two fixed pulleys, and each movable pulley block is provided with three movable pulleys; one end of the left steel wire rope is fixedly connected to the left end of the winding drum, the other end of the steel wire rope sequentially bypasses the left part of the winding drum, the movable pulley on the right side of the left movable pulley block, the fixed pulley on the right side of the left fixed pulley block, the movable pulley in the middle of the left movable pulley block, the fixed pulley on the left side of the left fixed pulley block and the movable pulley on the left side of the left movable pulley block, and is finally fixedly connected into the fixed hole in the left end of the balance arm, and the winding mode of the right steel wire rope is symmetrical to that of the left steel wire rope and is finally.
Optionally, there are two connecting plates, the two connecting plates are arranged in parallel, the lifting hook is fixedly connected between the intervals of the front sides of the connecting plates, and the balancing weights are fixedly connected between the intervals of the rear sides of the connecting plates.
Optionally, the balancing weight, the lifting hook and the connecting plate are all detachably and fixedly connected.
Optionally, a handle is fixedly connected to the side wall of the connecting plate.
Optionally, a vertical ladder is arranged on the support leg.
Optionally, the edges of the main beam and the end beam are provided with fences.
The utility model discloses a fixed gantry crane for ladle is tumbled has following advantage:
(1) the left side and the right side of the balance arm are respectively and fixedly connected with a steel wire rope, and when the balance arm is installed, if the lengths of the steel wire ropes on the two sides are not adjusted to be consistent, the balance arm can be inclined to one end with shorter length to balance the lifting hook component, so that the stability of the lifting hook component is maintained; when the balance arm is used, due to the fact that lubrication, connection, the properties of the steel wire ropes and the like are different, the steel wire ropes on the two sides cannot be kept synchronous when being wound and unwound, the lengths of the steel wire ropes on the two sides are different, and the balance arm can also play a balance role through inclination; when the atress of lifting hook subassembly both sides is uneven, the balance arm can be to the great one end slope of atress, alleviates the atress condition of this one end to increase the atress condition of the other end, balance the atress of wire rope of both sides, avoid one side wire rope atress too big and take place to burst apart, can also maintain the stability of lifting hook subassembly.
(2) The steel wire ropes on the two sides of the hook component can play a mutual safety role, when one steel wire rope is broken, the other steel wire rope can still finish partial lifting operation, and unhooking accidents can not be directly caused by the breakage of the steel wire ropes.
(3) The connecting plate that the interval set up can alleviate the quality of lifting hook subassembly under the circumstances that improves lifting hook subassembly intensity for the operation of lifting hook subassembly is more convenient, and the balancing weight can adjust the focus of lifting hook subassembly, makes the lifting hook subassembly more stable.
(4) The detachable connection between the lifting hook and the connecting plate facilitates the installation and replacement of the lifting hook.
Drawings
Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a schematic structural view of the hook assembly.
Fig. 4 schematically illustrates a roping pattern of the steel cord.
Fig. 5 is a schematic diagram of a rope winding manner of a steel wire rope.
Fig. 6 is a schematic view of the installation of the left crown block, the right crown block and the balance arm in the installation hole.
Figure 7 is a schematic view of the hook assembly in cooperation with a ladle.
Fig. 8 is a schematic view of the turning ladle of the present invention.
Reference numerals: 1-main beam, 2-end beam, 3-landing leg, 4-trolley running mechanism, 401-mounting hole, 402-mounting shaft, 5-lifting mechanism, 501-lifting motor, 502-reel, 503-safety brake, 6-lifting hook component, 601 a-left movable pulley block, 601 b-right movable pulley block, 602 a-left fixed pulley block, 602 b-right fixed pulley block, 603-connecting plate, 604-mounting groove, 605-lifting hook, 606-handle, 607-balancing weight, 608-movable pulley, 609-fixed pulley, 610-balance arm, 611-fixing hole, 612-connecting shaft, 7-vertical ladder, 8-lifting lug, 9-ladle, 901-hook, 902-connecting shaft, 10-steel wire rope fence, 11-central plane.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings, and the following description will take the direction of the steel ladle in fig. 7 as the front.
As shown in fig. 1-6, a fixed portal crane for tilting a steel ladle comprises a main beam 1 and an end beam 2, wherein the bottom of the main beam 1 is provided with a support leg 3, the support leg 3 is fixedly connected to the ground, the main beam 1 is provided with a trolley running mechanism 4, the trolley running mechanism 4 is provided with a lifting mechanism 5, the lifting mechanism 5 comprises a lifting motor 501, a speed reducer, a winding drum 502, a steel wire rope 10 and a hook assembly 6, the trolley running mechanism 4 is provided with a vertically arranged mounting hole 401, the mounting hole 401 is positioned under the winding drum 502, a mounting shaft 402 is fixedly connected in the mounting hole 401, the mounting shaft 402 is rotatably connected with a left fixed pulley block 602a and a right fixed pulley block 602b, the left fixed pulley block 602a and the right fixed pulley block 602b are arranged in bilateral symmetry, the symmetry plane is marked as a central plane 11, a balance arm 610 is arranged in the mounting hole 401, and two ends of the balance, the center of the balance arm 610 is rotatably connected to the inner wall of the mounting hole 401; the lifting hook assembly 6 is located right below the mounting hole 401, the lifting hook assembly 6 comprises a connecting plate 603, a lifting hook 605, a left movable pulley block 601a and a right movable pulley block 601b, a mounting groove 604 for mounting the movable pulley blocks is formed in the top of the connecting plate 603, a connecting shaft 612 is fixedly connected in the mounting groove 604, the two movable pulley blocks are rotatably connected to the connecting shaft 612 and symmetrically arranged, the lifting hook 605 is fixedly connected to one side of the connecting plate 603, and the lifting hook 605 protrudes out of the front side edge of the connecting plate 603; the two ends of the winding drum 502 are provided with safety brakes 503, when the speed reducer fails to brake and the winding drum 502 exceeds the rotating speed, the safety brakes 503 act to brake the winding drum 502, and the production safety is ensured; the arrangement directions of the winding drum 502, the mounting shaft 402, the connecting shaft 612 and the balance arm 610 are the same, the winding drum 502 and the balance arm 610 are arranged in bilateral symmetry about the central plane 11, and the left movable pulley block 601a and the right movable pulley block 601b are arranged in bilateral symmetry about the central plane 11; two steel wire ropes 10 are provided, the two steel wire ropes 10 can play a mutual safety role, when one steel wire rope 10 is broken, the other steel wire rope 10 can still finish partial hoisting operation, and unhooking accidents cannot happen directly due to the breakage of the steel wire ropes 10; the left wire rope 10 is fixedly connected in the fixing hole 611 at the left end of the balance arm 610 after passing through the left part of the winding drum 502, the left movable pulley block 601a and the left fixed pulley block 602a, and the right wire rope 10 is fixedly connected in the fixing hole 611 at the right end of the balance arm 610 after passing through the right part of the winding drum 502, the right movable pulley block 601b and the right fixed pulley block 602 b.
The utility model discloses a work flow as follows: ladle car is carrying ladle 9 that is equipped with liquid metal and is transported to the mould by side, the ladle car is located between hoist and the mould, the mould is close to the lateral wall top fixedly connected with pivot of ladle 9, ladle 9 is close to the upper portion of mould one side and is provided with couple 901, couple 901 hangs in the pivot, ladle 9 is close to the lower part of lifting hook subassembly 6 one side and is provided with lug 902, driving trolley operating mechanism 4 and hoisting mechanism 5, hook lifting hook 605 on lug 902, then through the marching forward of inverter controller control trolley operating mechanism 4 and the promotion of lifting hook subassembly 6, ladle 9 will rotate slowly around the pivot and leave the ladle car, accomplish the operation of tumbling of ladle 9, inverter controller can guarantee when ladle 9 emptys, liquid metal in the ladle is the linear outflow. The whole fixed connection of hoist does not need unnecessary cable to follow the buggy ladle and removes on ground, so can normally operate under the adverse circumstances of high temperature.
The left side and the right side of the balance arm 610 are respectively and fixedly connected with a steel wire rope 10, when the balance arm 610 is installed, if the lengths of the steel wire ropes 10 on the two sides are not adjusted to be consistent, the hook component 6 deviates to the longer side of the steel wire rope 10, the balance arm 610 can incline to the shorter end to balance the hook component 6, and the stability of the hook component 6 is maintained; when the lifting hook assembly is used, due to the fact that lubrication, connection, the properties of the steel wire ropes 10 and the like are different, the steel wire ropes 10 on the two sides cannot be kept synchronous when being folded and unfolded, the steel wire ropes 10 on the two sides are different in length, and the balance arm 610 can also play a role in balancing the lifting hook assembly 6 through inclination; when the stress on the two sides of the hook component 6 is unbalanced, the hook component 6 inclines to the side with larger stress, the balance arm 610 inclines to the end with larger stress at the moment, the stress condition of the side can be reduced, the stress condition of the other end is increased, the stress of the steel wire ropes 10 on the two sides is balanced, the phenomenon that the steel wire ropes 10 on one side are broken due to overlarge stress is avoided, and the stability of the hook component 6 is maintained.
Further, the left fixed pulley block 602a is positioned right above the left movable pulley block 601a, and the right fixed pulley block 602b is positioned right above the right movable pulley block 601 b; each fixed pulley block is provided with two fixed pulleys 609, and each movable pulley block is provided with three movable pulleys 608; one end of the left steel wire rope 10 is fixedly connected to the left end of the winding drum 502, the other end of the steel wire rope 10 sequentially bypasses the left part of the winding drum 502, namely the movable pulley 608 on the right side of the left movable pulley block 601a, the fixed pulley 609 on the right side of the left fixed pulley block 602a, the movable pulley 608 in the middle of the left movable pulley block 601a, the fixed pulley 609 on the left side of the left fixed pulley block 602a, the movable pulley 608 on the left side of the left movable pulley block 601a, and finally is fixedly connected into the fixing hole 611 at the left end of the balance arm 610, the rope winding mode of the right steel wire rope 10 is symmetrical to that of the left steel wire rope 10, and finally is fixedly connected. The rope winding mode can ensure that the stress of the lifting hook component 6 is balanced in the front-back direction and the left-right direction, so that the lifting hook component 6 is more stable, and the conditions of torsion and lateral deviation can not occur.
Further, the connecting plate 603 has two, two connecting plate 603 parallel arrangement, lifting hook 605 fixed connection is between the interval of connecting plate 603 front side, fixedly connected with balancing weight 607 between the interval of connecting plate 603 rear side, the connecting plate 603 that the interval set up can be under the condition that improves lifting hook subassembly 6 intensity, alleviate the quality of lifting hook subassembly 6, make the simple operation of lifting hook subassembly 6, remove quick accurate, the balancing weight 607 can play balanced effect to lifting hook subassembly 6, make lifting hook 605 can stably catch on the lug 902 of ladle 9 when tumbling ladle 9, avoid appearing the condition of unhooking.
Further, be between balancing weight 607, lifting hook 605 and the connecting plate 603 detachable fixed connection, all be provided with the bolt hole on balancing weight 607, lifting hook 605 and the connecting plate 603, balancing weight 607, lifting hook 605 all through bolt and nut fixed connection on the connecting plate 603, can dismantle the connection and make things convenient for lifting hook 605 to install and change, can also change not unidimensional lifting hook 605 according to the ladle 9 of difference, and balancing weight 607 also can the adjusting position and then adjusts the focus of lifting hook subassembly 6.
Further, a handle 606 is fixedly connected to the side wall of the connecting plate 603, the handle 606 facilitates operation of the hook assembly 6 by an operator, when the hook assembly 6 moves in place, due to inertia, some time is required for the hook assembly 6 to be stable, and at the moment, the operator can hold the handle 606 to shorten the stabilizing time of the hook assembly 6; the operator can precisely adjust the position of the hook 605 by mating the hook 605 to the ear 902 via the handle 606 or by removing the hook 605 from the ear 902.
Further, be provided with on the landing leg 3 and erect ladder 7, maintainer can climb up dolly running gear 4 through erecting ladder 7, overhauls dolly running gear 4 and hoisting mechanism 5.
Further, the edge of girder 1 and end beam 2 is provided with rail 8, and rail 8 can play the guard action to the staff, avoids the accident that falls to take place.
The embodiments described above are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a fixed gantry crane for ladle tumbles, includes girder, end beam, and the girder bottom is provided with the landing leg, and landing leg fixed connection is subaerial, is provided with dolly running gear on the girder, is provided with hoisting mechanism on the dolly running gear, and hoisting mechanism is including lifting motor, speed reducer, reel, wire rope and the lifting hook subassembly that is used for tumbling the ladle, its characterized in that: the trolley running mechanism is provided with a vertically arranged mounting hole, the mounting hole is positioned under the winding drum, a mounting shaft is fixedly connected in the mounting hole, the mounting shaft is rotatably connected with a left fixed pulley block and a right fixed pulley block, the left fixed pulley block and the right fixed pulley block are arranged in bilateral symmetry, the symmetry plane is marked as a central plane, a balance arm is arranged in the mounting hole, two ends of the balance arm are respectively provided with a fixing hole for fixing a steel wire rope, and the center of the balance arm is rotatably connected to the inner wall of the mounting hole; the lifting hook component is positioned right below the mounting hole and comprises a connecting plate, a lifting hook, a left movable pulley block and a right movable pulley block, a mounting groove for mounting the movable pulley blocks is formed in the top of the connecting plate, a connecting shaft is fixedly connected in the mounting groove, the two movable pulley blocks are rotatably connected to the connecting shaft and symmetrically arranged, the lifting hook is fixedly connected to one side of the connecting plate, and the lifting hook protrudes out of the front side edge of the connecting plate; the two ends of the winding drum are provided with safety brakes, the winding drum, the mounting shaft, the connecting shaft and the balance arm are arranged in the same direction, the winding drum and the balance arm are arranged in bilateral symmetry about a central plane, and the left movable pulley block and the right movable pulley block are arranged in bilateral symmetry about the central plane; the left steel wire rope is fixedly connected in a fixed hole at the left end of the balance arm after bypassing the left part of the winding drum, the left movable pulley block and the left fixed pulley block, and the right steel wire rope is fixedly connected in a fixed hole at the right end of the balance arm after bypassing the right part of the winding drum, the right movable pulley block and the right fixed pulley block.
2. A stationary gantry crane for tilting ladles as claimed in claim 1, wherein: the left fixed pulley block is positioned right above the left movable pulley block, and the right fixed pulley block is positioned right above the right movable pulley block; each fixed pulley block is provided with two fixed pulleys, and each movable pulley block is provided with three movable pulleys; one end of the left steel wire rope is fixedly connected to the left end of the winding drum, the other end of the steel wire rope sequentially bypasses the left part of the winding drum, the movable pulley on the right side of the left movable pulley block, the fixed pulley on the right side of the left fixed pulley block, the movable pulley in the middle of the left movable pulley block, the fixed pulley on the left side of the left fixed pulley block and the movable pulley on the left side of the left movable pulley block, and is finally fixedly connected into the fixed hole in the left end of the balance arm, and the winding mode of the right steel wire rope is symmetrical to that of the left steel wire rope and is finally.
3. A stationary gantry crane for tilting ladles as claimed in claim 1, wherein: the connecting plate has two, two connecting plate parallel arrangement, and lifting hook fixed connection is between the interval of connecting plate front side, fixedly connected with balancing weight between the interval of connecting plate rear side.
4. A stationary gantry crane for tilting ladles as claimed in claim 3, wherein: the balancing weight, the lifting hook and the connecting plate are all connected in a detachable and fixed mode.
5. A stationary gantry crane for tilting ladles according to claim 1 or 3, wherein: and the side wall of the connecting plate is fixedly connected with a handle.
6. A stationary gantry crane for tilting ladles as claimed in claim 1, wherein: the supporting legs are provided with vertical ladders.
7. A stationary gantry crane for tilting ladles as claimed in claim 6, wherein: and fences are arranged at the edges of the main beam and the end beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943073.8U CN212356307U (en) | 2020-12-11 | 2020-12-11 | Fixed portal crane for tipping steel ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943073.8U CN212356307U (en) | 2020-12-11 | 2020-12-11 | Fixed portal crane for tipping steel ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212356307U true CN212356307U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022943073.8U Active CN212356307U (en) | 2020-12-11 | 2020-12-11 | Fixed portal crane for tipping steel ladle |
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| Country | Link |
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| CN (1) | CN212356307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314362A (en) * | 2022-01-24 | 2022-04-12 | 河南特雷斯智能机械有限公司 | High-stability battery-replacing hoisting device |
-
2020
- 2020-12-11 CN CN202022943073.8U patent/CN212356307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314362A (en) * | 2022-01-24 | 2022-04-12 | 河南特雷斯智能机械有限公司 | High-stability battery-replacing hoisting device |
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Address after: No. 112, Building 11, Xingsheng Community, the intersection of Renmin Road and Gongye Road, Puxi, Changyuan City, Xinxiang City, Henan Province 453400 Patentee after: Henan Renben Machinery Co.,Ltd. Address before: No. 112, building 11, Xingsheng community, intersection of Renmin Road and Gongye Road, Puxi District, Changyuan County, Xinxiang City, Henan Province 453400 Patentee before: Henan renben electromechanical equipment Engineering Co.,Ltd. |