CN102373391B - Automatic zincification device and control method thereof - Google Patents
Automatic zincification device and control method thereof Download PDFInfo
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- CN102373391B CN102373391B CN 201010263251 CN201010263251A CN102373391B CN 102373391 B CN102373391 B CN 102373391B CN 201010263251 CN201010263251 CN 201010263251 CN 201010263251 A CN201010263251 A CN 201010263251A CN 102373391 B CN102373391 B CN 102373391B
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Abstract
The invention discloses an automatic zincification device which comprises a control PLC (Programmable Logic Controller), a bracket, a manipulator device, a conveyer and at least one zincification trolley, wherein the manipulator device is arranged on the bracket and is connected with the control PLC; the conveyer is arranged below the front part of the bracket along the length direction of the bracket and is connected with the control PLC; the zincification trolley is arranged below the rear part of the bracket and moves along a zincification trolley operating track; the zincification trolley operating track is vertical to the bracket; and the zincification trolley is connected with the control PLC. Correspondingly, the invention also provides a control method of the automatic zincification device. By the automatic zincification device and the control method thereof, the full automation of the zincification process can be realized.
Description
Technical field
The present invention relates to a kind of conveyer and control method thereof, relate in particular to a kind of automatic zincification device and control method thereof.
Background technology
Cold rolling process pot galvanize unit is provided with the zinc pot of zinc-plated use, because zinc liquid in production process can constantly consume, need to carry out the zinc supplementation operation to the zinc pot, existing zinc supplementation method is to adopt the mode of artificial Zincification ingot, and manually-operated zincification amount and temperature control precision all can be relatively poor, and because zinc liquid temperature in the zinc pot reaches nearly 500 ℃, and zinc pot top also is provided with and purges the air knife of controlling zinc coating thickness, therefore this regional work environment is abominable, and dangerous matter sources is more.
Open day is on December 3rd, 2008, publication number is CN201158695, name is called the Chinese patent literature of " a kind of Zincification ingot guiding device " and has described a kind of tilt bed zincification chute, the change of zinc ingot metal by degree of tumbling that is fixed in chute progressively incorporates in the zinc pot, the method artificial directly lifting of comparing adds danger to reduce, but for the improvement of zincification stationarity and to zinc liquid liquid level and temperature controlled precision not enough.And because it is nearer apart from the zinc pot, fail fundamentally to solve the poor dangerous matter sources of operating mode.
Summary of the invention
The purpose of this invention is to provide a kind of automatic zincification device and control method thereof, it can realize guaranteeing the accuracy of zincification amount, thereby realizing the accurate control to zinc liquid liquid level and temperature for zinc, transportation and zincification as required, guarantee the galvanizing quality with steel, thoroughly solve the poor disadvantage of zincification operating mode.
According to above-mentioned purpose of the present invention, the present invention proposes a kind of automatic zincification device, and it comprises:
One control PLC;
One support that sets up, the front-end and back-end of described support be corresponding the first limit switch and the second limit switch that all is connected with control PLC that be provided with respectively;
One robot device, be located on described support, described robot device comprises: walking dolly and a mechanical manipulator that is fixedly connected with walking dolly, described walking dolly is electrically connected to control PLC, accept the control of control PLC along the length direction tangential movement of described support, the forward and backward limit of sports record position of walking dolly is detected by described the first limit switch and the second limit switch respectively; Described mechanical manipulator is electrically connected to control PLC, accept the control gripping zinc ingot metal of control PLC, and vertical up-and-down movement, also be respectively equipped with a upper inductor block and a next inductor block on described robot device, be respectively used to detect the limit position of the vertical upper and lower motion of mechanical manipulator; Also be provided with a position of manipulator detecting sensor on described robot device, it is connected with described control PLC, the walking position for detection of robot device on support; Also be provided with a zinc ingot metal detector on described robot device, be connected with control PLC;
one transport unit, be located at its lower front along the length direction of described support, the delivery direction of described transport unit with the setting party of described support to consistent, described transport unit is provided with one first photoelectric detection switch, it is connected with control PLC, for detection of whether " material being arranged " on transport unit, also be provided with an encoder on described transport unit, it is connected with described control PLC, control the transmission stroke of transport unit, the head of described transport unit, the tail two ends are corresponding the second photoelectric detection switch and the 3rd photoelectric detection switch that all is connected with control PLC that be provided with respectively also, limit position for detection of the transportation zinc ingot metal,
At least one zincification dolly, be located at the lower rear of described support, described zincification dolly is along the orbiting of zincification trolley travelling, described zincification trolley travelling track and described support vertical setting, the front-end and back-end of described zincification trolley travelling track are corresponding the 3rd limit switch and the 4th limit switch that all is connected with control PLC that be provided with respectively, be respectively used to detect the forward and backward operational limit position of zincification dolly, also be provided with one the 4th photoelectric detection switch on described zincification dolly, it is connected with control PLC, for detection of whether being provided with zinc ingot metal on the zincification dolly.
Preferably, described zincification dolly comprises:
One little frame which is provided with a zincification drive car, and described zincification drive car is connected with control PLC, and the below of described little frame also is provided with wheel, and it is connected with the zincification drive car, and the power supply of drive unit realizes by drag chain;
One platen of tumbling, it is hinged by a pivot and described little frame;
The one platen drive unit of tumbling is connected with the described platen of tumbling, and is electrically connected to described control PLC, and the described platen drive unit of tumbling drives the platen of tumbling and rotates around described pivot;
One links up with, and is located at the tail end of the described platen of tumbling;
One hook drive unit is located between the tail end of described hook and the platen of tumbling, and is electrically connected to described control PLC, and described hook drive unit drives hook and tumbles platen generation relative movement.
Preferably, described zincification drive car is one first gear motor; The described platen drive unit of tumbling comprises: one second gear motor, and connected the first worm and gear system; Described hook drive unit comprises: one the 3rd gear motor, and connected the second worm and gear system.
It is because control PLC is higher to the control accuracy of this drive unit that above-mentioned each drive unit all adopts the combination of gear motor or gear motor and worm and gear system.
Preferably, also be provided with a hook travel switch on described hook, it is connected with described control PLC, for detection of the movement travel of hook.
Preferably, described automatic zincification device also comprises:
One handling apparatus is located at the head end of described support, and along its length direction tangential movement, to transport unit, described handling apparatus is connected with control PLC with the handling of zinc material at the head end of described support; It should be understood that this handling apparatus except carry out automatization control by PLC, also can be by manually operating;
One the 5th photoelectric detection switch and one the 6th photoelectric detection switch, all be located on described support, and corresponding the place ahead and the rear of being located at described handling apparatus respectively, described the 5th photoelectric detection switch all is connected with control PLC with the 6th photoelectric detection switch, is respectively used to detect the forward and backward limit of sports record position of handling apparatus.
Preferably, described transport unit comprises:
One motion-work wheel;
One follow-up pulley;
One conveyor chain is with described motion-work wheel and follow-up pulley engagement;
One the 4th gear motor is connected with described motion-work wheel, and is electrically connected to described control PLC.
Above-mentioned chain delivery device can once be carried the polylith zinc ingot metal according to the length of e Foerderanlage, and the zinc ingot metal of artificial each transportation of comparing has advantages of that efficient is high.
Preferably, also be provided with on described transport unit:
Two guide plates are arranged at respectively left side and the right side of transport unit along the width of described transport unit, the setting party of described each guide plate is to all consistent with the delivery direction of transport unit;
Some guide deflection sheaves are located on described guide plate.
Above-mentioned guide plate and guide deflection sheave can guarantee to betransported in transport process, be positioned at all the time the middle part of transport unit, and can the occurrence positions skew, thereby be that next step operation is ready.
Preferably, described automatic zincification device comprises two zincification dollies, and described two zincification dollies be arranged in parallel, respectively along the orbiting of zincification trolley travelling.Two zincification trundles flow to zincification in zinc liquid, thereby realize the continuity of whole zincification process.
Correspondingly, the present invention also provides the control method of this automatic zincification device, comprises the following steps:
(1) zinc ingot metal is placed on transport unit;
After (2) first photoelectric detection switch detected zinc ingot metal, signal was transferred to control PLC will " material to be arranged ", and control PLC and then control transport unit begin to carry zinc ingot metal, and after the 3rd photoelectric detection switch detected zinc ingot metal, e Foerderanlage stopped carrying;
(3) control PLC is controlled mechanical subordinate and is fallen, until the next inductor block detects mechanical manipulator, after the zinc ingot metal detector detected zinc ingot metal, control PLC was controlled mechanical manipulator gripping zinc ingot metal and risen, until upper inductor block detects mechanical manipulator;
(4) robot device is walked backward along support, and the position of manipulator detecting sensor detects the position of robot device in real time, until run to above the zincification dolly, control PLC is controlled mechanical manipulator and again descended, and zinc ingot metal is placed on the zincification dolly;
After (5) the 4th photoelectric detection switch detected zinc ingot metal, control PLC was controlled the zincification dolly along the orbital motion of zincification trolley travelling to the zincification station, and the zincification dolly adds zinc ingot metal in zinc liquid.
Preferably, in the control method of described automatic zincification device, the zincification dolly that it adopts is provided with a turnover platen of tumbling, the tail end of the described platen of tumbling is provided with a hook that can freely stretch out, in described step (5) when the zincification trolley travelling to the zincification station, control PLC is controlled the platen of tumbling with certain rotating speed certain angle of tumbling, then control hook and stretch out, with zinc ingot metal in the position near zinc liquid liquid level is added to zinc liquid.
Automatic zincification device of the present invention and control method thereof have realized the Automatic Control of zincification process, and the continuity of zincification process, have therefore greatly improved working efficiency; In addition, the danger of using this device also to avoid the staff to burn because of the zinc liquid that is splashed by high temperature near the zinc pot; Its rest periods of also having avoided in artificial zincification changing zinc ingot metal temperature controlled stability and precision of causing zinc liquid liquid fluctuating and causing due to zinc supplementation sharply in addition; This installs and corresponding control method can be added according to the zinc liquid liquid automatic control that detects the speed of zinc ingot metal, and stable zincification speed can be avoided the sharply fluctuating of temperature, has improved the precision of temperature control and tank level control.When the zincification dolly is provided with tumble platen and when hook, can also be that zinc ingot metal slips into the zinc pot stably, avoid zinc liquid to splash.
Figure of description
Fig. 1 is the front view of automatic zincification device of the present invention.
Fig. 2 is the vertical view of automatic zincification device shown in Figure 1.
Fig. 3 is the structural representation of zincification dolly in automatic zincification device of the present invention.
Fig. 4 is the schema of the control method of automatic zincification device of the present invention.
Embodiment
As depicted in figs. 1 and 2, this automatic zincification device comprises: as the control PLC of the overhead control element of whole automatic zincification device; Support 4 comprises some columns and horizontally disposed track; Robot device 2 is located on the horizontal rail of support 4, this robot device 2 comprises: walking dolly and the mechanical manipulator that is fixedly connected with it, walking dolly is electrically connected to control PLC, accept the control of control PLC and walk along horizontal rail, the walking limit position of walking dolly detects and is transferred to control PLC by the first limit switch 21 and the second limit switch 22 respectively; Mechanical manipulator is electrically connected to control PLC, accept the control gripping zinc ingot metal of control PLC, and vertical up-and-down movement, the upper inductor block of being located on robot device 2 is respectively used to detect the limit position of the vertical upper and lower motion of mechanical manipulator and is transferred to control PLC with a next inductor block; Also be provided with the position of manipulator detecting sensor on robot device 2, it is connected with control PLC, for detection of the walking position of robot device 2 on horizontal rail; Also be provided with the zinc ingot metal detector on robot device 2, be connected with control PLC.Transport unit 1 is located at the lower front portion of support 4, and it comprises: motion-work wheel, follow-up pulley, conveyor chain, drive the gear motor 11 that motion-work wheel rotates, and run-length encoding device 12, it is connected with control PLC for detection of the stroke of controlling conveyor chain.In addition, also be provided with on transport unit 1 for detection of the photo-sensor 15 that whether is placed with zinc ingot metal 5 on transport unit 1, also be provided with photo-sensor 13 and photo-sensor 14 for detection of the zinc ingot metal transporting position, these three photo-sensors all are connected with control PLC.The guide plate of two block length strips is arranged at respectively left side and the right side of transport unit 1 along the delivery direction of transport unit 1, guide plate is provided with guide deflection sheave, is used for guaranteeing that zinc ingot metal at transport process, is positioned at the middle part of transport unit 1 all the time, and can the occurrence positions skew.Handling apparatus 6 is located at the head end of support 4, be used for zinc ingot metal 5 handlings to transport unit 1, photo-sensor 61 and photo-sensor 62 be corresponding the place ahead and the rear of being located at handling apparatus 6 respectively, and all is connected with control PLC, is respectively used to detect the forward and backward limit of sports record position of handling apparatus 6.Two zincification dollies 3 are respectively along two zincification trolley travelling orbitings that are set parallel to each other, zincification trolley travelling track arranges with the horizontal rail of support 4 is vertical, two zincification dollies 3 are zincification in the zinc liquid in turn, thereby realizes the continuity of whole zincification process.The front-end and back-end of each zincification trolley travelling track are corresponding two limit switches respectively, it all is connected with control PLC, be respectively used to detect the forward and backward operational limit position of zincification dolly, also be equipped with a photo-sensor on each zincification dolly 3, it is connected with control PLC, for detection of whether being loaded with zinc ingot metal 5 on zincification dolly 3.
As shown in Figure 3, the zincification dolly comprises: dolly framework 31, and its below is provided with wheel 32, and wheel 32 is realized driving by gear motor 33, and gear motor 33 is connected with control PLC.The platen 36 of tumbling, hinged by pivot and dolly framework 31, worm and gear system 35 drives the platen of tumbling and turns over certain angle under the control of control PLC, and worm and gear system 35 is driven by the gear motor of connection corresponding to it.Hook 38 is located at the tail end of the described platen of tumbling, and it is controlled worm and gear system 37 by control PLC and realizes from the stretching out and return of platen 36 tail ends of tumbling, and worm and gear system 37 is by gear motor 34 drivings.Also be provided with the hook travel switch on hook 38, it is connected with control PLC, for detection of the movement travel of hook, thereby realizes that control PLC is to the accurate control of its position.
When as shown in Figure 4, adopting above-mentioned automatic zincification device to carry out zincification:
At first: adopt handling apparatus with on zinc ingot metal handling auto levelizer;
The first step: transport unit adopts the type of drive of sprocket wheel chain, driven by gear motor, 8 zinc ingot metals of disposable loading are transported to tail end with zinc ingot metal from head end with the gait of march of 1.5m/min, transport distance and are 400mm, and the run-length encoding device is measured the travel distance of conveyor chain.After completing once conveying, transport unit returns to beginning zinc ingot metal next time and loads and transportation.The entry condition that transport unit begins to transmit is: photo-sensor 15 detects zinc ingot metal on conveyor chain.The condition that transport unit stops transmitting is: photo-sensor 14 detects zinc ingot metal.
Second step: mechanical manipulator descends until the next inductor block detects mechanical manipulator, and the decline of mechanical manipulator realizes by steel cable and rope drum, is driven by the gear motor of connection corresponding to it, and band-type brake is realized the braking of mechanical manipulator decline.
The 3rd step: PLC controls mechanical manipulator crawl zinc ingot metal.The entry condition of mechanical manipulator crawl zinc ingot metal is: zinc ingot metal detector provided thereon has detected zinc ingot metal.Mechanical manipulator is realized opening and closing its transmission arm and is realized by the set of gears rack transmission system, and corresponding gear motor drives gear.The opening and closing limit position of mechanical manipulator transmission arm also can detect and control by inductive switch is set.
The 4th step: gripping is after zinc ingot metal, and mechanical manipulator rises under the control of control PLC, mechanical manipulator detected until rise to upper inductor block.
The 5th step: mechanical manipulator horizontal rail along support under the drive of walking dolly is advanced, and this walking dolly is driven by corresponding gear motor, and the speed of travel of walking dolly is 8m/min.Its travel distance and position are detected by the first limit switch 21, the second limit switch 22 and position of manipulator detecting sensor.
The 6th step: when mechanical manipulator advanced to zincification dolly top, control PLC was controlled mechanical subordinate and is fallen, and zinc ingot metal is placed on the zincification dolly.
The 7th step: mechanical manipulator rising return.
The 8th step: after being located at photo-sensor on the zincification dolly and zinc ingot metal being detected, control PLC is just controlled the zincification dolly and is advanced to zincification station (be treating shown in Fig. 4 incline position) along zincification trolley travelling track with the speed of 7m/min.
The 9th step: control PLC pinion motor and worm and gear system drive the platen of tumbling and turn over the angles that are 55 degree with horizontal direction.
The tenth step: control PLC is controlled with the worm and gear system of the corresponding connection of hook and will be linked up with from the platen tail end release of tumbling, and this speed to introduce can be adjusted according to the demand of zincification.The stroke of hook is detected by the hook travel switch.
The 11 step: zincification dolly return.
Be noted that above enumerate only for specific embodiments of the invention, obviously the invention is not restricted to above embodiment, many similar variations are arranged thereupon.If those skilled in the art all should belong to protection scope of the present invention from all distortion that content disclosed by the invention directly derives or associates.
Claims (8)
1. an automatic zincification device, is characterized in that, comprising:
One control PLC;
One support that sets up, the front-end and back-end of described support be corresponding the first limit switch and the second limit switch that all is connected with control PLC that be provided with respectively;
One robot device, be located on described support, described robot device comprises: walking dolly and a mechanical manipulator that is fixedly connected with walking dolly, described walking dolly is electrically connected to control PLC, accept the control of control PLC along the length direction tangential movement of described support, the forward and backward limit of sports record position of walking dolly is detected by described the first limit switch and the second limit switch respectively; Described mechanical manipulator is electrically connected to control PLC, accept the control gripping zinc ingot metal of control PLC, and vertical up-and-down movement, also be respectively equipped with a upper inductor block and a next inductor block on described robot device, be respectively used to detect the limit position of the vertical upper and lower motion of mechanical manipulator; Also be provided with a position of manipulator detecting sensor on described robot device, it is connected with described control PLC, the walking position for detection of robot device on support; Also be provided with a zinc ingot metal detector on described robot device, be connected with control PLC;
One transport unit, be located at its lower front along the length direction of described support, the delivery direction of described transport unit with the setting party of described support to consistent, described transport unit is provided with one first photoelectric detection switch, it is connected with control PLC, also be provided with an encoder on described transport unit, it is connected with described control PLC, control the stroke of transport unit, the initial and end two ends of described transport unit are corresponding the second photoelectric detection switch and the 3rd photoelectric detection switch that all is connected with control PLC that be provided with respectively also, for detection of the limit position that transports zinc ingot metal;
At least one zincification dolly, be located at the lower rear of described support, described zincification dolly is along a zincification trolley travelling orbiting, described zincification trolley travelling track and described support vertical setting, the front-end and back-end of described zincification trolley travelling track are corresponding the 3rd limit switch and the 4th limit switch that all is connected with control PLC that be provided with respectively, be respectively used to detect the forward and backward operational limit position of zincification dolly, also be provided with one the 4th photoelectric detection switch on described zincification dolly, it is connected with control PLC, for detection of whether being provided with zinc ingot metal on the zincification dolly; Wherein said zincification dolly comprises:
One little frame which is provided with a zincification drive car, and described zincification drive car is connected with control PLC, and the below of described little frame also is provided with wheel, and it is connected with the zincification drive car;
One platen of tumbling, it is hinged by a pivot and described little frame;
The one platen drive unit of tumbling is connected with the described platen of tumbling, and is electrically connected to described control PLC, and the described platen drive unit of tumbling drives the platen of tumbling and rotates around described pivot;
One links up with, and is located at the tail end of the described platen of tumbling;
One hook drive unit is located between the tail end of described hook and the platen of tumbling, and is electrically connected to described control PLC, and described hook drive unit drives hook and tumbles platen generation relative movement.
2. automatic zincification device as claimed in claim 1, is characterized in that, described zincification drive car is one first gear motor; The described platen drive unit of tumbling comprises: one second gear motor, and connected the first worm and gear system; Described hook drive unit comprises: one the 3rd gear motor, and connected the second worm and gear system.
3. automatic zincification device as claimed in claim 2, is characterized in that, also is provided with a hook travel switch on described hook, and it is connected with described control PLC, for detection of the movement travel of hook.
4. automatic zincification device as described in any one in claim 1-3, is characterized in that, also comprises:
One handling apparatus is located at the head end of described support, moves along its length direction at the head end of described support, and to transport unit, described handling apparatus is connected with control PLC with the handling of zinc material;
One the 5th photoelectric detection switch and one the 6th photoelectric detection switch, all be located on described support, and corresponding the place ahead and the rear of being located at described handling apparatus respectively, described the 5th photoelectric detection switch all is connected with control PLC with the 6th photoelectric detection switch, is respectively used to detect the forward and backward limit of sports record position of handling apparatus.
5. automatic zincification device as claimed in claim 4, is characterized in that, described transport unit comprises:
One motion-work wheel;
One follow-up pulley;
One conveyor chain is with described motion-work wheel and follow-up pulley engagement;
One the 4th gear motor is connected with described motion-work wheel, and is electrically connected to described control PLC.
6. automatic zincification device as claimed in claim 5, is characterized in that, also is provided with on described transport unit:
Two guide plates are arranged at respectively left side and the right side of transport unit along the width of described transport unit, the setting party of described each guide plate is to all consistent with the delivery direction of transport unit;
Some guide deflection sheaves are located on described guide plate.
7. automatic zincification device as claimed in claim 6, is characterized in that, comprises two zincification dollies, and described two zincification dollies be arranged in parallel, respectively along the orbiting of zincification trolley travelling.
8. the control method of automatic zincification device as claimed in claim 1, is characterized in that, comprises the following steps:
(1) zinc ingot metal is placed on transport unit;
After (2) first photoelectric detection switch detected zinc ingot metal, signal was transferred to control PLC will " material to be arranged ", and control PLC and then control transport unit begin to carry zinc ingot metal, and after the 3rd photoelectric detection switch detected zinc ingot metal, e Foerderanlage stopped carrying;
(3) control PLC is controlled mechanical subordinate and is fallen, until the next inductor block detects mechanical manipulator, after the zinc ingot metal detector detected zinc ingot metal, control PLC was controlled mechanical manipulator gripping zinc ingot metal and risen, until upper inductor block detects mechanical manipulator;
(4) robot device is walked backward along support, and the position of manipulator detecting sensor detects the position of robot device in real time, until run to above the zincification dolly, control PLC is controlled mechanical manipulator and again descended, and zinc ingot metal is placed on the zincification dolly;
After (5) the 4th photoelectric detection switch detect zinc ingot metal, control PLC is controlled the zincification dolly along the orbital motion of zincification trolley travelling to the zincification station, control PLC is controlled the platen of tumbling with certain rotating speed certain angle of tumbling, then control hook and stretch out, with zinc ingot metal in the position near zinc liquid liquid level is added to zinc liquid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010263251 CN102373391B (en) | 2010-08-20 | 2010-08-20 | Automatic zincification device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010263251 CN102373391B (en) | 2010-08-20 | 2010-08-20 | Automatic zincification device and control method thereof |
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| CN102373391A CN102373391A (en) | 2012-03-14 |
| CN102373391B true CN102373391B (en) | 2013-06-19 |
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| CN 201010263251 Expired - Fee Related CN102373391B (en) | 2010-08-20 | 2010-08-20 | Automatic zincification device and control method thereof |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605309A (en) * | 2012-04-16 | 2012-07-25 | 宝钢股份黄石涂镀板有限公司 | Dual-row zinc feeding device for zinc pot of zinc plating line |
| CN103924181B (en) * | 2013-01-15 | 2016-03-30 | 宝山钢铁股份有限公司 | A kind of zinc pot method for automatic controlling liquid level |
| CN107523775A (en) * | 2016-06-21 | 2017-12-29 | 宝钢新日铁汽车板有限公司 | A kind of automatic zincification system |
| CN108325774A (en) * | 2016-08-02 | 2018-07-27 | 河北新兴铸管有限公司 | A kind of ductile iron pipe spray zinc device with limited position mechanism |
| CN107794475B (en) * | 2016-08-31 | 2019-12-17 | 上海东新冶金技术工程有限公司 | Automatic zinc adding device for continuous hot galvanizing and using method thereof |
| CN110923601B (en) * | 2019-12-23 | 2021-09-10 | 中冶南方工程技术有限公司 | Zinc adding device and automatic zinc ingot adding system |
| CN111394676B (en) * | 2020-04-27 | 2022-05-13 | 中冶南方工程技术有限公司 | Tilting type movable zinc adding trolley and automatic zinc ingot adding system |
| CN112962043B (en) * | 2021-02-02 | 2023-04-25 | 武汉钢铁有限公司 | Zinc ingot lifting device, ingot adding lifting device and automatic ingot adding system |
| CN114086097A (en) * | 2021-12-10 | 2022-02-25 | 应达工业（上海）有限公司 | Pre-melting pot zinc adding device for strip steel production line and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2481518Y (en) * | 2001-05-25 | 2002-03-13 | 上海重型机器厂 | Unloading carrier with lifting device for electrode squeezing press |
| CN201027103Y (en) * | 2006-11-17 | 2008-02-27 | 苏锦工业有限公司 | Conveyer |
| CN201519689U (en) * | 2009-03-30 | 2010-07-07 | 上海思恩电子技术有限公司 | Charging and discharging stepping device of chemical material automatic cleaning machine |
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2010
- 2010-08-20 CN CN 201010263251 patent/CN102373391B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2481518Y (en) * | 2001-05-25 | 2002-03-13 | 上海重型机器厂 | Unloading carrier with lifting device for electrode squeezing press |
| CN201027103Y (en) * | 2006-11-17 | 2008-02-27 | 苏锦工业有限公司 | Conveyer |
| CN201519689U (en) * | 2009-03-30 | 2010-07-07 | 上海思恩电子技术有限公司 | Charging and discharging stepping device of chemical material automatic cleaning machine |
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