CN211545655U - Lower cell shell integral hoisting device for prebaked anode aluminum cell maintenance - Google Patents
Lower cell shell integral hoisting device for prebaked anode aluminum cell maintenance Download PDFInfo
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- CN211545655U CN211545655U CN201921126937.8U CN201921126937U CN211545655U CN 211545655 U CN211545655 U CN 211545655U CN 201921126937 U CN201921126937 U CN 201921126937U CN 211545655 U CN211545655 U CN 211545655U
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Abstract
The utility model relates to an electrolytic aluminum field, concretely relates to lower part cell-shell integral hoisting device that prebaked anode aluminum cell overhauld usefulness, including rigidity lifting rope, lifting hook, compensating beam, start lug and activity couple, the compensating beam is two at least, the symmetry both ends of compensating beam are being fixed and are starting the lug, and the upper end of lifting hook is fixed on the rigidity lifting rope, and the lower extreme is the crotch form and passes and start the lug and hang the compensating beam, activity couple hangs the frame and welds two hooks that hang on the movable frame including the activity of cover on the compensating beam, and two intervals that hang between the crotch and the cathode steel bar window on the cell-shell inner wall of lower part are equidistant to equal, are equipped with the activity couple of two symmetry installations on a compensating beam to the activity couple is arranged in between two start lugs. The hoisting tool adopts rigid connection operation, so that the instability of the member in the hoisting process during flexible connection is avoided, the whole cell shell is less in shaking, and the operation safety and the hoisting process stability are effectively improved.
Description
Technical Field
The utility model relates to the technical field of aluminum electrolytic cells, in particular to a lower cell shell integral hoisting device for overhauling a prebaked anode aluminum electrolytic cell.
Background
In the years, along with the rapid improvement of the aluminum yield in China, the main path for improving the yield of the electrolytic aluminum is to increase the production capacity of an electrolytic cell, the higher the capacity is, the higher the quality of the electrolytic cell is, the heavier the weight is, and a large-scale hoisting device is needed for hoisting when a cell shell is installed. The operation safety is ensured during hoisting, and the stable rising and falling of the cell shell, the synchronous operation of each hoisting point, the uniform stress point, the deformation of the cell shell in the hoisting process and the like are ensured in the hoisting process.
The existing method for assembling the lower cell shell of the electrolytic cell does not adopt an integral hoisting method, the conventional method is to directly assemble the cell shell on the upper part of a cell bottom bus after the cell bottom bus is installed, and the cell shell is assembled and formed at one time without integral hoisting. However, under special circumstances, such as when the supply of the cell bottom bus bar and the manufacture and installation lag affect the assembly of the cell shell, in order to accelerate the assembly speed, the cell shell can be assembled, and after the cell bottom bus bar is installed, the assembled cell shell is integrally hoisted to be in place on the basis of the installed cell bottom bus bar. In addition, the flexible connection hoisting mode easily causes the condition of instable cell shell in the hoisting process, and causes inaccurate positioning when the cell shell is rocked for installation, prolongs the assembly time of the cell shell of the electrolytic cell, and slows down the working efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lower part cell-shell integral hoisting device that prebaked anode aluminum cell overhauld usefulness, lifting device adopt the rigid connection operation, and the component is at the unstability of lifting by crane the in-process when having avoided flexonics, and whole cell-shell rocks less, the effectual security that has improved the operation and the stability of hoist and mount process.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
the lower cell shell integral hoisting device for overhauling the pre-baked anode aluminum electrolytic cell comprises rigid lifting ropes, lifting hooks, balance beams, starting lifting lugs and movable hooks, wherein the number of the balance beams is at least two, the starting lifting lugs are fixed at two symmetrical ends of the balance beams, the upper ends of the lifting hooks are fixed on the rigid lifting ropes, the lower ends of the lifting hooks penetrate through the starting lifting lugs in a bent shape to suspend the balance beams, the movable hooks comprise movable hanging frames sleeved on the balance beams and two hanging hooks welded on the movable hanging frames, the distance between the two hanging hooks is equal to the middle distance of a cathode steel bar window on the inner wall of the lower cell shell, two movable hooks which are symmetrically installed are arranged on one balance beam, and the movable hooks are arranged between the two starting lifting lugs.
Further limiting, the central axis direction of the lifting hole of the starting lifting lug is perpendicular to the length direction of the balance beam, reinforcing ribs connected to the balance beam are arranged on two side walls of the starting lifting lug, and when the lifting hook penetrates through the starting lifting lug to lift, the lifting hook hooks outwards from the direction between the two balance beams.
Further inject, still include the intermediate ruler, the both ends of intermediate ruler are equipped with the bar groove of ann embedding compensating beam, and the direction that is perpendicular to bar groove is equipped with the locking bolt, in addition, is equipped with the benchmark board in the symmetry center line position department of intermediate ruler, and the benchmark board aims at the central line position of lower part cell-shell when lifting by crane.
Further limiting, a symmetrical central line is used as a boundary on the balance beam, a plurality of clamping grooves are formed in the balance beam at equal intervals along the length direction, and the movable hanging frame is embedded in the clamping grooves.
Further limit, the lap welding length of the hanging hook welded on the movable hanging frame is at least 300mm, and the height of the welding seam is more than 15 mm.
Compared with the prior art, the utility model beneficial effect be:
1. this hoist device adopts the connected mode that the rigidity lifted by crane, and the tank shell is at the unstability of lifting by crane the in-process when having avoided flexible coupling, lifts by crane 4 lifting hook synchro operation in-process, and whole tank shell rocks lessly, the effectual security that has improved the operation, the stability of hoist and mount process.
2. The lifting points are distributed by utilizing the central lines of the middle ruler and the tank shell, so that the deformation of the tank shell caused by uneven stress is reduced under the conditions that the lifting points are uniformly distributed and the lifting hook is vertically stressed, and the construction speed is effectively improved.
3. The tank shell does not deform before and after hoisting, so that the labor operating condition is improved, the correction labor cost caused by uneven stress is greatly saved, the economic effect is obvious, and the stability of the construction quality of the electrolytic tank shell is ensured.
4. For the sequence of the construction process, the hoisting device can be used for pre-assembling and welding the lower cell shell construction, and avoids the crossing construction with the professional projects of bus installation, superstructure, cell shell furnace building and the like, thereby the construction period is on the premise.
5. By adopting the hoisting device, the lower cell shell can be hoisted integrally, the cross construction of cell shell assembly and cell bottom bus installation can be effectively avoided, and the hoisting device has certain popularization significance for electrolytic aluminum projects which influence the cell shell assembly due to the cell bottom bus supply and the manufacturing and installation lag.
Drawings
FIG. 1 is a schematic view of the lower cell shell integral hoisting device for overhauling a prebaked anode aluminum electrolytic cell;
FIG. 2 is a schematic perspective view of a lower cell shell integral hoisting device for overhauling a prebaked anode aluminum electrolytic cell;
FIG. 3 is a schematic perspective view of the movable hook;
FIG. 4 is an enlarged view of a portion A of FIG. 2;
fig. 5 is a schematic top view of the balance beam, middle ruler and lower shell connection point in positioning.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.
The lower cell shell integral hoisting device for overhauling the prebaked anode aluminum electrolytic cell shown in figures 1, 2, 3, 4 and 5 comprises a rigid lifting rope 1, a lifting hook 2, a balance beam 3, a starting lifting lug 4 and a movable hook 5, wherein the balance beam 3 is divided into two parts, the starting lifting lug 4 is fixed at two symmetrical ends of the balance beam 3, the upper end of the lifting hook 2 is fixed on the rigid lifting rope 1, and the lower end of the lifting hook 2 penetrates through the starting lifting lug 4 in a bent hook shape to hang the balance beam 3. When a lower trough shell is hoisted, two balance beams 3, four starting lifting lugs 4, four movable hooks 5 and four lifting hooks 2 are adopted, and four rigid lifting ropes 1 are uniformly distributed on each lifting hook 2. In order to ensure the strength of the starting lifting lug 4 welded on the balance beam 3, the central axis direction of the lifting hole of the starting lifting lug 4 is perpendicular to the length direction of the balance beam 3, reinforcing ribs connected to the balance beam 3 are arranged on two side walls of the starting lifting lug 4, and when the lifting hook 2 passes through the starting lifting lug 4 to be lifted, the lifting hook 2 hooks outwards from the direction between the two balance beams 3.
The movable hook 5 comprises a movable hanging frame 50 sleeved on the balance beam 3 and two hanging hooks 51 welded on the movable hanging frame 50, the distance between the two hanging hooks 51 is equal to the middle distance of a cathode steel bar window 61 on the inner wall of the lower cell shell 6, two movable hooks 5 symmetrically installed are arranged on one balance beam 3, and the movable hooks 5 are arranged between the two starting lifting lugs 4.
Before hoisting, the middle ruler 7 is used for positioning, a stressed hoisting point is found, and the situation that the cell shell is not inclined and deformed after being hoisted is ensured. The both ends of middle chi 7 are equipped with the bar groove of ann embedding compensating beam 3, and the direction of perpendicular to bar groove is equipped with locking bolt 71, in addition, is equipped with reference plate 72 in the symmetry center line position department of middle chi 7, and reference plate 72 aligns the central line 62 position of lower part cell-shell 6 when lifting by crane. The length of the middle ruler 7 is made according to the length of the lower cell shell 6, the spacing distance between the two strip-shaped grooves of the middle ruler 7 is half of the length of the lower cell shell 6, and the lifting point of the movable hook 5 hung on the inner wall of the lower cell shell 6 can be quickly determined by the reference plate 72 facing to the central line position of the lower cell shell 6 during positioning, so that the positioning is quick, and the lifting efficiency is accelerated.
The balance beam 3 is provided with a plurality of clamping grooves 31 at equal intervals along the length direction by taking a symmetrical central line as a boundary, the movable hanging frame 50 is embedded in the clamping grooves 31, and the movable hanging frame is designed to be used for being matched with lower tank shells 6 of different sizes to lift, so that the relative distance of the movable hook 5 can be conveniently adjusted according to the width of the inner wall of the tank shell.
Preferably, the weight of a large lower tank shell 6 is about 63T, and the weight of the balance beam 3 is added, so that the lap welding length of the hanging hook 51 welded on the movable hanging frame 50 is at least 300mm, and the height of the welding seam is more than 15mm, in order to ensure the strength of the movable hook 5.
The technological process of utilizing the device in hoisting construction comprises the following steps:
firstly, checking the hoisting equipment, preparing four rigid lifting ropes 1 and four lifting hooks 2, checking the firmness of the hoisting equipment, and checking whether the hoisting equipment has the risk of fracture such as cracks.
Secondly, the hoisting tool is put in place, the movable hanging frame 50 and the hanging hook 51 are welded in advance, the balance beam 3 is selected, the starting lifting lug 4 is also welded on the balance beam 3 according to the symmetrical size, then the movable hanging frame 5 is sleeved on the balance beam 3 according to the symmetrical position, the movable hanging frame 50 is sleeved on the corresponding clamping groove 31, and the spacing distance between the two movable hanging frames 5 is generally determined according to the width of the inner wall of the lower groove shell 6.
Thirdly, selecting an intermediate ruler 7 with the length corresponding to the lower cell shell 6, symmetrically fixing the two balance beams 3 in the strip-shaped groove by using the locking bolts 71, guiding a reference plate of the intermediate ruler 7 to face the position of the central line 62 of the lower cell shell 6 by a worker, and then hooking the hanging hook 51 in the cathode steel bar window 61 at the corresponding position of the inner wall of the lower cell shell 6.
And fourthly, checking whether the hoisting device is firmly suspended, then taking down the middle ruler 7, and finally integrally lifting the hoisting equipment to hoist the lower cell shell 6.
The whole hoisting device for the lower cell shell for overhauling the prebaked anode aluminum electrolytic cell provided by the utility model is introduced in detail. The description of the specific embodiments is only for the purpose of helping understanding the method of the present invention and the core idea thereof, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
Claims (5)
1. The lower cell shell integral hoisting device for overhauling the prebaked anode aluminum electrolytic cell is characterized in that: comprises a rigid lifting rope, lifting hooks, balance beams, starting lifting lugs and movable hooks, wherein the number of the balance beams is at least two, the starting lifting lugs are fixed at the two symmetrical ends of the balance beams, the upper ends of the lifting hooks are fixed on the rigid lifting rope, the lower ends of the lifting hooks pass through the starting lifting lugs in a bent hook shape to hang the balance beams,
the movable hook comprises a movable hanging frame sleeved on the balance beam and two hanging hooks welded on the movable hanging frame, the distance between the two hanging hooks is equal to the distance between the cathode steel bar windows on the inner wall of the lower cell shell, two movable hooks which are symmetrically arranged are arranged on one balance beam, and the movable hooks are arranged between the two starting lifting lugs.
2. The integral hoisting device for the lower cell shell for the maintenance of the pre-baked anode aluminum electrolytic cell according to claim 1, which is characterized in that: the lifting hole central axis direction of the starting lifting lug is perpendicular to the length direction of the balance beams, reinforcing ribs connected to the balance beams are arranged on two side walls of the starting lifting lug, and when the lifting hook penetrates through the starting lifting lug to lift, the lifting hook hooks outwards from the direction between the two balance beams.
3. The lower cell shell integral hoisting device for overhauling the prebaked anode aluminum electrolytic cell according to claim 2, which is characterized in that: the balance beam hoisting device is characterized by further comprising an intermediate ruler, wherein strip-shaped grooves for installing and embedding balance beams are formed in the two ends of the intermediate ruler, locking bolts are arranged in the direction perpendicular to the strip-shaped grooves, in addition, reference plates are arranged at the positions of the symmetrical center lines of the intermediate ruler, and the reference plates are aligned to the center line position of the lower groove shell during hoisting.
4. The integral hoisting device for the lower cell shell for the maintenance of the pre-baked anode aluminum electrolytic cell according to claim 1, which is characterized in that: the balance beam is provided with a plurality of clamping grooves at equal intervals along the length direction by taking the symmetrical center line as a boundary, and the movable hanging frame is embedded in the clamping grooves.
5. The integral hoisting device for the lower cell shell for the maintenance of the pre-baked anode aluminum electrolytic cell according to claim 1, which is characterized in that: the lap welding length of the hanging hook welded on the movable hanging frame is at least 300mm, and the height of the welding seam is more than 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126937.8U CN211545655U (en) | 2019-07-18 | 2019-07-18 | Lower cell shell integral hoisting device for prebaked anode aluminum cell maintenance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126937.8U CN211545655U (en) | 2019-07-18 | 2019-07-18 | Lower cell shell integral hoisting device for prebaked anode aluminum cell maintenance |
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| CN211545655U true CN211545655U (en) | 2020-09-22 |
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| CN201921126937.8U Active CN211545655U (en) | 2019-07-18 | 2019-07-18 | Lower cell shell integral hoisting device for prebaked anode aluminum cell maintenance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116332013A (en) * | 2023-03-09 | 2023-06-27 | 无锡上工搪化工设备有限公司 | Hoisting device for large glass lining reaction kettle and use method |
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2019
- 2019-07-18 CN CN201921126937.8U patent/CN211545655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116332013A (en) * | 2023-03-09 | 2023-06-27 | 无锡上工搪化工设备有限公司 | Hoisting device for large glass lining reaction kettle and use method |
| CN116332013B (en) * | 2023-03-09 | 2023-11-24 | 无锡上工搪化工设备有限公司 | Hoisting device for large glass lining reaction kettle and use method |
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