FI125647B - PROCEDURES AND ARRANGEMENTS FOR THE FIXING OF A CATHODIC HOSE COMPOSITION - Google Patents
PROCEDURES AND ARRANGEMENTS FOR THE FIXING OF A CATHODIC HOSE COMPOSITION Download PDFInfo
- Publication number
- FI125647B FI125647B FI20136165A FI20136165A FI125647B FI 125647 B FI125647 B FI 125647B FI 20136165 A FI20136165 A FI 20136165A FI 20136165 A FI20136165 A FI 20136165A FI 125647 B FI125647 B FI 125647B
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- FI
- Finland
- Prior art keywords
- hole
- cathode
- hook assembly
- cathode hook
- engaging
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Load-Engaging Elements For Cranes (AREA)
Description
METHOD AND ARRANGEMENT FOR FASTENING A CATHODE HOOK ASSEMBLY
Field of the invention
The invention relates to a method for fastening a cathode hook assembly to a grab device of a transfer apparatus configured to transfer, lift and lower cathode plates, said cathode plates each having a hanger bar at an upper end of the cathode plate as defined in the preamble of independent claim 1.
The invention also relates to an arrangement for fastening a cathode hook assembly to a grab device of a transfer apparatus configured to transfer, lift and lower cathode plates, said cathode plates each having a hanger bar at an upper end of the cathode plate as defined in the preamble of independent claim 6.
The field of the invention is electrowinning and electrorefining of metal such as electrowinning and electrorefining of copper.
In electrowinning and electrorefining of metal anode plates and cathode plates are typically in alternating order submerged in electrolyte in an electolytic cell and the anode plates and the cathode plates are typically spaced from each other by a distance of about only 50 mm. Because of this close distance between the anode plates and the cathode plates in the electrolytic cell, small differences in the distance for example due to a cathode plate having been incorrectly placed in the electrolytic cell has an impact on the performance of the cathode plate. By incorrectly placed is in this context meant for example that a cathode plate is not parallel with the other cathode plates or that the distance between adjacent cathode plates varies.
Publication WO 2013/160542 concerns a transfer apparatus configured to lift and lower anode plates and cathode plates moved to a position above an electrolytic cell, to place the anode and cathode plates into the electrolytic cell and to remove the anode and cathode plates from the electrolytic cell. Each anode hook is configured and dimensioned to be insertable into a spacing between the anode plate and the cathode plate residing in the electrolysis cell at a first side of each anode plate to be grabbed and lifted. The apparatus comprises a plurality of counterpart members which are fixedly attached to the grab device. Each counterpart member is arranged in pair and co-operation with an anode hook, and each counterpart member is configured and dimensioned to be insertable into a spacing between the anode plate and the cathode plate residing in the electrolysis cell at the second side of said anode plate to be grabbed and lifted so that the hanging lug of said anode plate to be grabbed and lifted is between said pair of the anode hook and the counterpart member. The counterpart member comprises a slot into which a part of the transversal member is receivable when the anode hook is turned to the grabbing position.
Object of the invention
The object of the invention is to provide a method and an arrangement for fastening a cathode hook assembly to a grab device of a transfer apparatus configured to transfer, lift and lower cathode plates that provides for good positioning of the cathode plates in an electolytic cell.
Short description of the invention
The method of the invention is characterized by the definitions of independent claim 1.
Preferred embodiments of the method are defined in the dependent claims 2 to 5.
The arrangement of the invention is correspondingly characterized by the definitions of independent claim 6.
Preferred embodiments of the arrangement are defined in the dependent claims 7 to 10.
The invention is based on providing the grab device with a pair of a first grab device hole and a second grab device hole each having a first inner diameter and on providing the cathode hook assembly with a pair of a first cathode hook assembly hole and a second cathode hook assembly hole each having a second inner diameter that is essentially the same as the first inner diameter and on using sleeve alignment elements each having a cylindrical section having an outer diameter that is essentially the same as the first inner diameter and that is essentially the same as the second inner diameter. By means of the pair of a first grab device hole and a second grab device hole in the grab device, the pair of a first cathode hook assembly hole and a second cathode hook assembly hole in the cathode hook assembly, and the sleeve alignment elements, a cathode hook assembly can be aligned with the grab device such that the positions of the cathode hooks of a cathode hook assembly also will be aligned with respect to the grab device. An advantage of this is that because the cathode hook assemblies wear, when they are used, and because the cathode hook assemblies therefore must be replaced if worn too much, a new cathode hook assembly, which is used for replacing a worn-out cathode hook assembly, can easily be mounted at exactly the same position with respect to the grab device as the worn-out cathode hook assembly.
An advantage of the method and the arrangement is that it provides for increased positioning accuracy of the cathode hook assemblies with respect to the grab device of the transfer apparatus without any additional adjusting procedures required. Also the position of a replaced cathode hook assembly do not need to be additionally adjusted with respect to the grab device of the transfer apparatus.
In old designs, i.e. in the prior art arrangement, the cathode hook assemblies are connected to supporting frames with bolts, which go through lose holes. After installation the position of each cathode hook assembly needs to be separately and independently adjusted so that whole set of cathode hook assemblies consisting of a number of cathode hook assemblies needed to handle full cathode loads fulfils the position accuracy requirement. In this prior art arrangement, position adjustment is also needed if a cathode hook assembly is replaced. Also, if a cathode hook assembly collide with cathode plates, the position of the cathode hook assembly location with respect to the grab device of the transfer apparatus might change and the position of the cathode hook assembly need to be readjusted.
In method and the arrangement, the cathode hook assemblies are aligned with the grab device of the transfer apparatus with special sleeve alignment elements. In an embodiment of the method and the arrangement, accurate machining of hook frames, supporting frames and sleeve sockets enable fastening of the cathode hook assemblies accurately without any additional adjustment of the cathode hook assemblies with respect to the grab device of the transfer apparatus. Replacement of hook block can be done without any additional adjustment. Adjustment is not needed after collisions; damaged hooks are simply replaced.
In an embodiment of the arrangement, said at least one pair of a first grab device hole and a second grab device hole has been provided in the grab device by machining to provide the dimensions, including the first inner diameter, of said at least one pair of first holes has been provided in the grab device as exact as possible.
In an embodiment of the arrangement, said at least one pair of a first cathode hook assembly hole and a second cathode hook assembly hole in the cathode hook assembly has been provided by machining to provide the dimensions, including the second inner diameter, of said at least one pair of second holes in the cathode hook assembly as exact as possible.
In an embodiment of the arrangement, the cylindrical section of the sleeve alignment elements has been machined to provide the dimensions, including the outer diameter, of the cylindrical section of the sleeve alignment elements as exact as possible.
List of figures
In the following the invention will described in more detail by referring to the figures, which
Figure 1 is a schematic side view of a transfer apparatus,
Figure 2 shows how the cathode hook assemblies functions together with the spacings in the upper end of the cathode plates,
Figure 3 shows a part of the grab device of the transfer apparatus shown in figure 1,
Figure 4 shows a part of the grab device shown in figure 3 in a state where the cathode hook assemblies have been detached, and
Figure 5 shows a sleeve alignment element of the arrangement shown in figure 3.
Detailed description of the invention
The invention relates to a method and to an arrangement for fastening a cathode hook assembly 1 to a grab device 2 of a transfer apparatus 3 configured to transfer, lift and lower cathode plates 4.
First the method for fastening a cathode hook assembly 1 to a grab device 2 of a transfer apparatus 3 configured to transfer, lift and lower cathode plates 4 of the type each having a hanger bar 5 at an upper end of the cathode plate 4 and some preferred embodiments of the method and variants of the method will be described in greater detail.
In the method, the grab device 2 is suspended from a trolley 6 of an overhead crane 7.
The method comprises a first providing step for providing a cathode hook assembly 1 comprising at least one cathode hook 15 configured and dimensioned to be inserted into a spacing 19 at the upper end of a cathode plate 4, such as into a spacing 19 provided in connection with or under the hanger bar 5 of a cathode plate 4, for grabbing the cathode plate 4.
The method comprises a second providing step for providing the grab device 2 with a pair of a first grab device hole 8 a and a second grab device hole 8b each having a first inner diameter and for providing the cathode hook assembly 1 with a pair of a first cathode hook assembly hole 9a and a second cathode hook assembly hole 9b each having an second inner diameter. The distance between the first grab device hole 8a and the second grab device holes 8b in the grab device 2 is essentially the same as the distance between the first cathode hook assembly hole 9a and the second cathode hook assembly hole 9b in the cathode hook assembly 1. The first inner diameter of the first grab device hole 8a and of the second grab device hole 8b is essentially the same as the second inner diameter of the first cathode hook assembly hole 9a and of the second cathode hook assembly hole 9b.
The second providing step of the method may comprise providing the grab device 2 with several such pairs of a first grab device hole 8a and a second grab device hole 8b.
The method comprises a third providing step for providing sleeve alignment elements 10 each having a collar section 11 and each having a cylindrical section 12 having an outer diameter that is essentially the same as the first inner diameter of the first grab device hole 8a and of the second grab device hole 8b of the grab device 2 and that is essentially the same as the second inner diameter of the first cathode hook assembly hole 9a and the second cathode hook assembly hole 9b of the cathode hook assembly 1.
The method comprises an aligning step for aligning the cathode hook assembly 1 with the grab device 2 by inserting a first alignment sleeve element 10 into the first grab device hole 8a of the grab device 2 and into the first cathode hook assembly hole 9a of the cathode hook assembly 1 so that the first sleeve alignment element 10 at least partly penetrates the first grab device hole 8a of the grab device 2 and so that the first sleeve alignment element 10 at least partly penetrates the first cathode hook assembly hole 9a of the cathode hook assembly 1. The aligning step comprises additionally inserting a second sleeve alignment element 10 into the second grab device hole 8b of the grab device 2 and into the second cathode hook assembly hole 9b of the cathode hook assembly 1 so that the second sleeve alignment element 10 at least partly penetrates the second grab device hole 8b of the grab device 2 and so that the second sleeve alignment element 10 at least partly penetrates the second cathode hook assembly hole 9b of the cathode hook assembly 1.
The method comprises a fastening step for releasable fastening the cathode hook assembly 1 to the grab device 2.
The sleeve alignment elements 10 provided in the third providing step are preferably, but not necessarily, designed so that the cylindrical section 12 of the sleeve alignment elements 10 has two opposite ends (not marked with a reference numeral) and so that the collar section 11 of sleeve alignment elements 10 is provided at one of the opposite ends of the cylindrical section 12 of the sleeve alignment elements 10.
In the second providing step, the first holes 8 in the grab device 2 are preferably, but not necessarily, provided at essentially the same vertical distance from the trolley 6 of the overhead crane 7 i.e. at essentially the same variable vertical distance from the trolley 6 of the overhead crane 7.
External fastening elements, such as bolts 14 and possible nuts co-operating with bolts 14, are preferably, but not necessarily, used in the fastening step for releasable fastening the cathode hook assembly 1 to the grab device 2.
In an embodiment of the method, sleeve alignment elements 10 having a cylindrical section 12 provided with a hole (not marked with a reference numeral) having an inner threading 13 for co-operation with bolts 14 are provided in the third providing step. In this embodiment of the method, the fastening step includes threading and tightening a bolt 14 in the cylindrical section 12 of the first sleeve alignment element 10 to releasable fasten the cathode hook assembly 1 to the grab device 2 and threading and tightening a bolt 14 in the cylindrical section 12 of the second sleeve alignment element 10 to releasable fasten the cathode hook assembly 1 to the grab device 2.
In an embodiment of the method, the method comprises a third providing step for providing the grab device 2 with third holes 16 and for providing the cathode hook assembly 1 with fourth holes 17, which third holes 16 and fourth holes 17 are provided at such locations so that, after the aligning step has been performed, at least one third hole 16 of the third holes 16 of the grab device 2 is aligned with at least one fourth hole 17 of the fourth holes 17 of the cathode hook assembly 1. In this embodiment of the method, the fastening step includes inserting a bolt 14 through said at least one third hole 16 that is aligned with said at least on fourth hole 17 so that the bolt at least partly penetrates both the third hole 16 in the grab device 2 and the fourth hole 17 in the cathode hook assembly 1. In this embodiment of the method, the fastening step can additionally comprise threading and tightening a nut (not shown in the figures) on said bolt 14 at least partly penetrating both the third hole 16 in the grab device 2 and the fourth hole 17 in the cathode hook assembly 1 to fasten the cathode hook assembly 1 to the grab device 2. Alternatively at least one of the third hole 16 in the grab device 2 and the fourth hole 17 in the cathode hook assembly 1 may in this embodiment of the method be provided with an inner threading in the third providing step, which can be used in the fastening step to fasten the cathode hook assembly 1 to the grab device 2 by treading and tightening a bolt into the inner treading in at least one of the third hole 16 in the grab device 2 and the fourth hole 17 in the cathode hook assembly 1.
Said pair of a first grab device hole 8a and a second grab device hole 8b in the grab device 2 are preferably, but not necessarily, provided in the first providing step by machining to provide the dimensions, including said first inner diameter, of said at least one pair of first holes 8 in the grab device 2 as exactly as possible.
Said pair of a first cathode hook assembly hole 9a and a second cathode hook assembly hole 9b in the cathode hook assembly 1 are preferably, but not necessarily, provided in the second providing step by machining to provide the dimensions, including said second inner diameter, of said at least one pair of second holes 9 in the cathode hook assembly 1 as exactly as possible.
The third providing step includes preferably, but not necessarily, machining the cylindrical section 12 of the sleeve alignment elements 10 to provide the dimensions, including said outer diameter, of the cylindrical section 12 of the sleeve alignment elements 10 as exactly as possible.
The cathode hook assembly 1 provided in the second providing step is preferably, but not necessarily, in the form of a plate-shaped element that has been machined to include between 2 and 6, preferably between 3 and 5 cathode hooks, such as 4 identical cathode hooks 15 at equal mutual distance from each other so that each cathode hook 15 includes a cathode plate positioning section 20 configured for positioning a cathode plate 4 always essentially in the same manner with respect to each cathode hook 15 of a cathode hook assembly.
Next the arrangement for fastening a cathode hook assembly 1 to a grab device 2 of a transfer apparatus 3 configured to transfer, lift and lower cathode plates 4 of the type each having a hanger bar 5 at an upper end of the cathode plate 4 and some preferred embodiments and variants of the arrangement will be described in greater detail.
The grab device 2 is suspended from a trolley 6 of an overhead crane 7.
The cathode hook assembly 1 comprises at least one cathode hook 15 configured and dimensioned to be inserted into a spacing 19 at the upper end of a cathode plate 4, such as into a spacing 19 provided in connection with or under the hanger bar 5 of a cathode plate 4, for grabbing the cathode plate 4.
The grab device 2 is provided with a pair of a first grab device hole 8 a and a second grab device hole 8b each having a first inner diameter.
The grab device 2 may be provided with several of such pairs of a first grab device hole 8 a and a second grab device hole 8b.
The cathode hook assembly 1 is provided with a pair of a first cathode hook assembly hole 9a and a second cathode hook assembly hole 9b each having a second inner diameter.
The distance between the first grab device hole 8 a and the second grab device hole 8b of the grab device 2 is essentially the same as the distance between the first cathode hook assembly hole 9a and the second cathode hook assembly hole 9b of the cathode hook assembly 1.
The first inner diameter of the first grab device hole 8a and of the second grab device hole 8b of the grab device 2 is essentially the same as the second inner diameter of the first cathode hook assembly hole 9a and of the second cathode hook assembly hole 9b of the cathode hook assembly 1.
The arrangement comprises sleeve alignment elements 10 each having a collar section 11 and a cylindrical section 12 having an outer diameter that is essentially the same as the first inner diameter of the first holes 8 in the grab device 2 and that is essentially the same as the second inner diameter of the second holes 9 of the cathode hook assembly 1.
The cathode hook assembly 1 is aligned with the grab device 2 by a first sleeve alignment element 10 being inserted into the first grab device hole 8a of the grab device 2 and into the first cathode hook assembly hole 9a of the cathode hook assembly 1 so that the first sleeve alignment element 10 at least partly penetrates the first grab device hole 8 a of the grab device 2 and the first cathode hook assembly hole 9a of the cathode hook assembly 1 and by a second sleeve alignment element 10 being inserted into the second grab device hole 8b of the grab device 2 and into the second cathode hook assembly hole 9b of the cathode hook assembly 1 so that the second sleeve alignment element 10 at least partly penetrates the second grab device hole 8b of the grab device 2 and the second cathode hook assembly hole 9b of the cathode hook assembly 1.
The cathode hook assembly 1 is releasable fastened to the grab device 2.
The sleeve alignment elements 10 are preferably, but not necessarily, designed so that the cylindrical section 12 of the sleeve alignment elements 10 has two opposite ends (not marked with a reference numeral) and so that the collar section 11 of sleeve alignment elements 10 is provided at one of the opposite ends of the cylindrical section 12 of the sleeve alignment elements 10.
The first holes 8 in the grab device 2 are preferably, but not necessarily, provided at essentially the same vertical distance from the trolley 6 of the overhead crane 7 i.e. at essentially the same variable vertical distance from the trolley 6 of the overhead crane 7.
In an embodiment of the arrangement, the sleeve alignment elements 10 have a cylindrical section 12 provided with hole (not marked with a reference numeral) having an inner threading 13 for co-operation with bolts 14. In this embodiment of the arrangement, a bolt 14 is threaded and tighten in inner threading 13 in the cylindrical section 12 of the first sleeve alignment element 10 and a bolt 14 is threaded and tighten in inner threading 13 in the cylindrical section 12 of the second sleeve alignment element 10 to releasable fasten the cathode hook to the grab device 2.
In an embodiment of the arrangement, the grab device 2 is provided with third holes 16 and the cathode hook assembly 1 is provided with fourth holes 17. The third holes 16 and fourth holes 17 are provided at such locations so that, provided that the cathode hook assembly 1 is aligned with the grab device 2 by means of the sleeve alignment elements 10, at least one third hole 16 of the third holes 16 of the grab device 2 is aligned with at least one fourth hole of the fourth holes 17 of the cathode hook assembly 1, and a bolt 14 is inserted through a third hole 16 that is aligned with a fourth hole. A nut may be threaded and tightened on said bolt 14 to releasable fasten the cathode hook assembly 1 to the grab device 2. Alternatively at least one of the third hole 16 in the grab device 2 and the fourth hole 17 in the cathode hook assembly 1 may in this embodiment be provided with an inner threading, which can be used to fasten the cathode hook assembly 1 to the grab device 2 by treading and tightening a bolt into the inner treading in at least one of the third hole 16 in the grab device 2 and the fourth hole 17 in the cathode hook assembly 1.
In an embodiment of the arrangement, said pair of a first grab device hole 8a and a second grab device hole 8b has been provided in the grab device 2 by machining to provide the dimensions, including the first inner diameter of said pair of a first grab device hole 8a and a second grab device hole 8b as exactly as possible.
In an embodiment of the arrangement, said pair of a first cathode hook assembly hole 9a and a second cathode hook assembly hole 9b in the cathode hook assembly 1 has been provided by machining to provide the dimensions, including the second inner diameter of said pair of a first cathode hook assembly hole 9a and a second cathode hook assembly hole 9b as exactly as possible.
In an embodiment of the arrangement, the cylindrical section 12 of the sleeve alignment elements 10 has been machined to provide the dimensions, including the outer diameter, of the cylindrical section 12 of the sleeve alignment elements 10 as exact as possible.
In an embodiment of the arrangement, the cathode hook assembly 1 being an originally plate-shaped element that has been machined to include between 2 and 6, preferably between 3 and 5, such as 4 identical cathode hooks 15 at equal mutual distance from each other so that each cathode hook 15 includes a cathode plate positioning section 20 configured for positioning a cathode plate 4 always essentially in the same manner with respect to each cathode hook 15 of a cathode hook assembly.
It is apparent to a person skilled in the art that as technology advanced, the basic idea of the invention can be implemented in various ways. The invention and its embodiments are therefore not restricted to the above examples, but they may vary within the scope of the claims.
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20136165A FI125647B (en) | 2013-11-22 | 2013-11-22 | PROCEDURES AND ARRANGEMENTS FOR THE FIXING OF A CATHODIC HOSE COMPOSITION |
CN201310612931.2A CN104649129B (en) | 2013-11-22 | 2013-11-26 | For fastening the method and structure of cathode hook assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20136165A FI125647B (en) | 2013-11-22 | 2013-11-22 | PROCEDURES AND ARRANGEMENTS FOR THE FIXING OF A CATHODIC HOSE COMPOSITION |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20136165A FI20136165A (en) | 2015-05-23 |
FI125647B true FI125647B (en) | 2015-12-31 |
Family
ID=53240851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20136165A FI125647B (en) | 2013-11-22 | 2013-11-22 | PROCEDURES AND ARRANGEMENTS FOR THE FIXING OF A CATHODIC HOSE COMPOSITION |
Country Status (2)
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CN (1) | CN104649129B (en) |
FI (1) | FI125647B (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2704593Y (en) * | 2004-05-20 | 2005-06-15 | 昆明理工大学 | Electrolytic cathode and anode rotary slings |
JP4252079B2 (en) * | 2006-09-29 | 2009-04-08 | 日鉱金属株式会社 | Electrode plate conveyor hook |
CN201206174Y (en) * | 2008-04-22 | 2009-03-11 | 云南驰宏锌锗股份有限公司 | Insulation rotary electrolysis cathode/anode spreader |
CN102431905A (en) * | 2011-12-27 | 2012-05-02 | 江西瑞林装备有限公司 | Transfer device for cathode and anode plates during electrolysis |
FI124617B (en) * | 2012-04-23 | 2014-11-14 | Outotec Oyj | transfer device |
CN102978668B (en) * | 2012-12-20 | 2016-03-02 | 株洲天桥起重机股份有限公司 | The handling method of electrolytic negative/positive plate and suspender thereof |
-
2013
- 2013-11-22 FI FI20136165A patent/FI125647B/en not_active IP Right Cessation
- 2013-11-26 CN CN201310612931.2A patent/CN104649129B/en active Active
Also Published As
Publication number | Publication date |
---|---|
FI20136165A (en) | 2015-05-23 |
CN104649129B (en) | 2018-06-22 |
CN104649129A (en) | 2015-05-27 |
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