CN117961048B - Quick replacement device of ladle mouth of a river brick - Google Patents
Quick replacement device of ladle mouth of a river brick Download PDFInfo
- Publication number
- CN117961048B CN117961048B CN202410383335.XA CN202410383335A CN117961048B CN 117961048 B CN117961048 B CN 117961048B CN 202410383335 A CN202410383335 A CN 202410383335A CN 117961048 B CN117961048 B CN 117961048B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- ladle nozzle
- motor
- ladle
- nozzle brick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011449 brick Substances 0.000 title claims abstract description 145
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000007790 scraping Methods 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 25
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention belongs to the technical field of ladle maintenance, in particular to a rapid replacing device for ladle nozzle bricks, which comprises a handle, wherein the rear end of the handle is fixedly connected with a shell, the rear end of the shell is rotationally provided with a sleeve, the inner cavity of the sleeve is slidingly connected with a rotating shaft, the rear end of the rotating shaft is fixedly connected with a mounting column, and the mounting column is provided with an inner diameter self-adaptive particle blocking-prevention clamping mechanism for supporting the ladle nozzle bricks; the condition that the replacement work is normally carried out due to the fact that the handle drops off caused by the sliding of the hand when the handle is held by a person can be avoided.
Description
Technical Field
The invention belongs to the technical field of ladle maintenance, and particularly relates to a rapid replacing device for a ladle nozzle brick.
Background
The ladle nozzle brick is a refractory molten steel outflow opening for pouring molten steel, is inlaid in a pocket brick at the bottom of a ladle, plays a key role in the pouring process, is in line contact with a plug brick when not poured, ensures no steel leakage, can be continuously washed and eroded by molten steel in the long-time use process, leads to gradual abrasion of the surface of a brick body, and even can generate cracks or holes, and the abrasion not only affects the structural integrity of the nozzle brick, but also can lead to leakage or unstable flow velocity of molten steel, thereby affecting the quality and pouring effect of the molten steel, so that the ladle nozzle brick needs to be replaced.
The utility model patent with the publication number of CN220497763U discloses a dismantling mechanism for ladle inner nozzle bricks, and aims at solving the problems that when the ladle inner nozzle bricks are dismantled in the prior art, the ladle inner nozzle bricks are usually manually dismantled by workers, the operation of knocking out the nozzle bricks by tools is complicated and laborious, the efficiency is low, and inconvenience is caused during use.
However, the above technical solution has the following disadvantages in the practical application process:
The ladle nozzle bricks are subjected to long-time molten steel flushing, so that the situation of expanding the diameter can occur, and the degree of expanding the diameter of each position of the inner wall of the ladle nozzle bricks can be different, so that when a plurality of support plates move simultaneously, the condition that the existing support plates are attached to the inner wall of the ladle nozzle bricks and the existing support plates are not attached to the inner wall of the ladle nozzle bricks can occur, the inner wall of the ladle nozzle bricks is uneven in stress, the risk of cracking of the inner wall of the ladle nozzle bricks can occur, and the uneven stress can also cause insufficient firm clamping, so that smooth progress in the replacement process is affected; moreover, when the inner wall of the ladle nozzle brick is attached with impurities, the situation that the supporting plate is separated from the inner wall of the ladle nozzle brick by the impurities and the supporting plate cannot fully contact the inner wall of the ladle nozzle brick possibly occurs, so that the clamping of the supporting plate to the ladle nozzle brick is unstable, and the replacement work is influenced.
Therefore, the invention provides a rapid replacing device for ladle nozzle bricks.
Disclosure of Invention
In order to overcome the defects of the prior art and solve at least one technical problem in the background art, the invention provides a rapid replacing device for ladle nozzle bricks.
The technical scheme adopted for solving the technical problems is as follows: the quick replacing device for the ladle nozzle bricks comprises a handle, wherein the rear end of the handle is fixedly connected with a shell, the rear end of the shell is rotatably provided with a sleeve, an inner cavity of the sleeve is slidably connected with a rotating shaft, the rear end of the rotating shaft is fixedly connected with a mounting column, and an inner diameter self-adaptive impurity-preventing blocking type clamping mechanism for supporting the ladle nozzle bricks is arranged on the mounting column;
The inner diameter self-adaptive impurity-preventing blocking type clamping mechanism comprises a plurality of first sliding blocks which are connected to the mounting column in a sliding mode, one sides of the first sliding blocks are rotatably provided with first connecting rods, one ends of the first connecting rods are rotatably provided with supporting plates, the middle parts of the first connecting rods are rotatably provided with second connecting rods, one ends of the second connecting rods are rotatably arranged on the front sides of the mounting column, one ends of the second connecting rods are rotatably provided with second sliding blocks, and one sides of the second sliding blocks are slidably connected with the supporting plates;
The gear ring is sleeved on the rear side of the rotating shaft and rotatably arranged, a sliding rod is fixedly connected to one side of the upper end of the gear ring, a connecting plate is connected to the sliding rod in a sliding mode, and a scraping plate is fixedly connected to one end of the connecting plate.
Preferably, a second motor is fixedly connected to one side of the inner cavity wall of the shell, and the output end of the second motor is fixedly connected with the sleeve.
Preferably, the front side of the inner cavity of the sleeve is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a third threaded rod, and the third threaded rod is connected with the screw thread of the rotating shaft.
Preferably, a threaded rod II is connected to one side of the connecting plate in a threaded manner, a worm wheel is sleeved at the lower end of the threaded rod II, a worm is arranged on one side of the upper end of the gear ring in a rotating manner, the worm is meshed with the worm wheel, a motor IV is fixedly connected to one side of the upper end of the gear ring, and the output end of the motor IV is fixedly connected with the worm.
Preferably, a gear is rotatably arranged on one side of the front end of the mounting column, the gear is meshed with the gear ring, a motor six is fixedly connected to one side of the front end of the mounting column, and the output end of the motor six is fixedly connected with the gear.
Preferably, the front side of the mounting column is fixedly connected with a plurality of motors five, and the output ends of the motors five are fixedly connected with one end of the connecting rod two.
Preferably, one side of the supporting plate is slidably connected with a clamping plate, one end of the clamping plate is in threaded connection with a first threaded rod, two ends of the first threaded rod are respectively and rotatably provided with two ends of the supporting plate, a first motor is fixedly connected with the middle part of the front end face of the supporting plate, and an output end of the first motor is fixedly connected with the front end of the first threaded rod.
Preferably, both sides of the lower end of the handle are slidably connected with a sliding column, and the lower end of the sliding column is fixedly connected with a fastening plate.
Preferably, the slide column is sleeved with a spring, one end of the spring is fixedly connected with the bottom of the handle, and one end of the spring is fixedly connected with the upper end of the fastening plate.
Preferably, the upper end face of the fastening plate is fixedly connected with a soft cushion.
The beneficial effects of the invention are as follows:
1. According to the rapid replacing device for the ladle nozzle brick, when the inner cavity of the ladle nozzle brick to be replaced is expanded, the angles of the support plates are adjusted by utilizing the inner diameter self-adaptive impurity-preventing blocking type clamping mechanism, so that the support plates avoid the position where the expansion occurs, and then the support plates are driven to move towards the inner wall of the ladle nozzle brick at the same time, so that the fixation is realized, and the trouble of manually rotating a handle is eliminated; when the diameter of the inner wall of the ladle nozzle brick is seriously enlarged and the support plate cannot be attached to the inner wall of the ladle nozzle brick by changing the angle of the support plate, the displacement distance of each support plate is independently adjusted, so that the support plate can be attached to the inner wall of the ladle nozzle brick to realize fixation; when the ladle mouth of a river brick inner wall is attached with more impurity, and can't avoid the time through changing the backup pad angle, the accessible scrapes the mode of getting to backup pad surface and ladle mouth of a river brick inner wall, makes ladle mouth of a river brick inner wall and backup pad surface's impurity scrape and falls, avoids separating ladle mouth of a river brick inner wall and backup pad because of impurity, leads to ladle mouth of a river brick inner wall and backup pad laminating effect poor, influences and presss from both sides tightly firm degree, is difficult for realizing the condition of changing to ladle mouth of a river brick.
2. According to the quick replacement device for the ladle nozzle brick, when a person holds the handle, fingers penetrate through the gap between the handle and the fastening plate, and then the cushion is attached to the person's hand by utilizing the cooperation of the springs and the sliding columns, so that fastening is realized, and the condition that the hand is clamped and hurt due to the fact that the cushion is made of elastic materials is avoided, so that the situation that the replacement work is normally carried out due to the fact that the handle is fallen due to the fact that the person holds the handle by hand sliding can be avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a complete three-dimensional structure of the present invention;
FIG. 2 is a schematic view of another perspective view of the present invention;
FIG. 3 is a schematic view of a partial perspective structure at a support plate;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of a partial perspective structure of a slider two-part;
FIG. 6 is a schematic view of a partial perspective view of a squeegee;
FIG. 7 is a schematic view of a partial perspective structure of a rotating shaft;
Fig. 8 is a schematic diagram of a partial perspective structure at the rotating shaft.
In the figure: 1. a mounting column; 2. a support plate; 3. a clamping plate; 4. a first threaded rod; 5. a scraper; 6. a first motor; 7. a connecting plate; 8. a second threaded rod; 9. a slide bar; 10. a gear ring; 11. a rotating shaft; 12. a sleeve; 13. a housing; 14. a handle; 15. a fastening plate; 16. a soft cushion; 17. a spring; 18. a spool; 19. a second motor; 20. a third motor; 21. a third threaded rod; 22. a fourth motor; 23. a worm; 24. a worm wheel; 25. a first sliding block; 26. a first connecting rod; 27. a second connecting rod; 28. a fifth motor; 29. a second slide block; 30. a sixth motor; 31. a gear.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the quick replacing device for the ladle nozzle bricks comprises a handle 14, wherein the rear end of the handle 14 is fixedly connected with a shell 13, the rear end of the shell 13 is rotatably provided with a sleeve 12, an inner cavity of the sleeve 12 is slidably connected with a rotating shaft 11, the rear end of the rotating shaft 11 is fixedly connected with a mounting column 1, and an inner diameter self-adaptive impurity-preventing blocking type clamping mechanism for supporting the ladle nozzle bricks is arranged on the mounting column 1;
The inner diameter self-adaptive impurity-preventing blocking type clamping mechanism comprises a plurality of first sliding blocks 25 which are connected to the mounting column 1 in a sliding manner, one side of each first sliding block 25 is rotatably provided with a first connecting rod 26, one end of each first connecting rod 26 is rotatably provided with a supporting plate 2, the middle part of each first connecting rod 26 is rotatably provided with a second connecting rod 27, one end of each second connecting rod 27 is rotatably arranged on the front side of the mounting column 1, one end of each second connecting rod 27 is rotatably provided with a second sliding block 29, and one side of each second sliding block 29 is slidably connected with the supporting plate 2;
The gear ring 10 is sleeved and rotatably arranged on the rear side of the rotating shaft 11, a slide bar 9 is fixedly connected to one side of the upper end of the gear ring 10, a connecting plate 7 is connected to the slide bar 9 in a sliding manner, and a scraping plate 5 is fixedly connected to one end of the connecting plate 7.
In this embodiment, as shown in fig. 1-8, a second motor 19 is fixedly connected to one side of the inner cavity wall of the housing 13, and an output end of the second motor 19 is fixedly connected to the sleeve 12;
The front side of the inner cavity of the sleeve 12 is fixedly connected with a motor III 20, the output end of the motor III 20 is fixedly connected with a threaded rod III 21, and the threaded rod III 21 is in threaded connection with the rotating shaft 11;
A threaded rod II 8 is connected to one side of the connecting plate 7 in a threaded manner, a worm wheel 24 is fixedly sleeved at the lower end of the threaded rod II 8, a worm 23 is rotatably arranged on one side of the upper end of the gear ring 10, the worm 23 is meshed with the worm wheel 24, a motor IV 22 is fixedly connected to one side of the upper end of the gear ring 10, and the output end of the motor IV 22 is fixedly connected with the worm 23;
a gear 31 is rotatably arranged on one side of the front end of the mounting column 1, the gear 31 is meshed with the gear ring 10, a motor six 30 is fixedly connected to one side of the front end of the mounting column 1, and the output end of the motor six 30 is fixedly connected with the gear 31;
The front side of the mounting column 1 is fixedly connected with a plurality of motors five 28, and the output end of each motor five 28 is fixedly connected with one end of a connecting rod two 27;
One side of the supporting plate 2 is slidably connected with a clamping plate 3, one end of the clamping plate 3 is in threaded connection with a first threaded rod 4, two ends of the first threaded rod 4 are respectively and rotatably provided with two ends of the supporting plate 2, the middle part of the front end surface of the supporting plate 2 is fixedly connected with a first motor 6, and the output end of the first motor 6 is fixedly connected with the front end of the first threaded rod 4;
Specifically, when the existing ladle nozzle brick replacing device is used, a mode of driving a plurality of support plates 2 to move in the inner cavity of the ladle nozzle brick and supporting the inner wall of the ladle nozzle brick is generally adopted, the ladle nozzle brick is fixed, and then the support plates 2 are driven to drive the ladle nozzle brick to move to realize replacement, but the ladle nozzle brick can possibly have the condition of expanding after long-time flushing of molten steel, and the expanding degree of each position of the inner wall of the ladle nozzle brick can possibly be different, so that when the plurality of support plates 2 move at the same time, the condition that the support plates 2 are attached to the inner wall of the ladle nozzle brick can possibly occur, and the condition that some support plates 2 are not attached to the inner wall of the ladle nozzle brick can not cause uneven stress of the inner wall of the ladle nozzle brick, possibly cause uneven stress and cracking risk of the inner wall of the ladle nozzle brick, and the uneven stress also can cause insufficient firm clamping, thereby affecting smooth progress in the replacing process; in addition, during the use of the ladle nozzle brick, impurities with weak adhesion force may exist on the inner wall of the nozzle brick, and the impurities may be attached to the inner wall of the nozzle brick for various reasons, such as slag, part of metal oxide or nonmetallic inclusion, etc., when the impurities are attached to the inner wall of the ladle nozzle brick, the impurities may be separated between the support plate 2 and the inner wall of the ladle nozzle brick, and the support plate 2 cannot sufficiently contact the inner wall of the ladle nozzle brick, and the clamping of the support plate 2 is not firm;
Therefore, when the steel ladle nozzle brick is used, a person holds the handle 14, stretches the mounting column 1 into the inner cavity of the steel ladle nozzle brick to be replaced, if the inner diameter of the steel ladle nozzle brick is uniform and no diameter expansion occurs, the plurality of motors five 28 can be started simultaneously to drive the connecting rod two 27 to rotate, so that the included angle between the connecting rod two 27 and the connecting rod one 26 is changed, the plurality of support plates 2 move towards the inner wall of the steel ladle nozzle brick and are attached to the inner wall of the steel ladle nozzle brick, one side of the steel ladle nozzle brick is attached to the bulge on the front side of the support plate 2, then the motor one 6 is started to drive the threaded rod one 4 to rotate, the clamping plate 3 is slid and attached to the end surface of the steel ladle nozzle brick, at the moment, the inner cavity of the steel ladle nozzle brick is supported, two sides of the steel ladle nozzle brick are clamped, then the motor three 20 is started to drive the threaded rod three 21 to rotate, the rotating shaft 11 is moved towards the inner cavity of the sleeve 12, and the steel ladle nozzle brick is removed, so that the steel ladle nozzle brick is detached, and a new steel ladle nozzle brick is clamped in the same.
When the inner cavity of the ladle nozzle brick to be replaced has the condition of expanding diameter, the sleeve 12 can be driven to rotate by the second starting motor 19, the angles of the plurality of support plates 2 are adjusted, the support plates 2 avoid the position where the expanding diameter occurs, and then the plurality of support plates 2 are driven to move towards the inner wall of the ladle nozzle brick at the same time, so that the fixation is realized, and the trouble of manually rotating the handle 14 is eliminated;
When the diameter expansion of the inner wall of the ladle nozzle brick is serious, the diameter expansion position can not be thoroughly avoided only by adjusting the angle of the supporting plate 2, and the displacement distance of each supporting plate 2 can be independently adjusted by independently controlling the motors five 28 to ensure that the displacement distance of each supporting plate 2 is different, so that each supporting plate 2 can be attached to the inner wall of the ladle nozzle brick, when the diameter expansion of the inner wall of the ladle nozzle brick is serious, and the attachment of the inner wall of the ladle nozzle brick can not be realized by changing the angle of the supporting plate 2, the displacement distance of each supporting plate 2 can be independently adjusted, and the supporting plate 2 can be attached to the inner wall of the ladle nozzle brick to realize fixation;
When more impurities are attached to the inner wall of a ladle nozzle brick and cannot be avoided by changing the angle of the supporting plate 2, the worm 23 can be driven to rotate by the fourth motor 22, so that the worm wheel 24 and the second threaded rod 8 rotate, when the second threaded rod 8 rotates, the connecting plate 7 slides on the sliding rod 9, the distance between the scraping plate 5 and the inner wall of the ladle nozzle brick is adjusted, one side of the scraping plate 5 is attached to the inner wall of the ladle nozzle brick, then the sixth motor 30 is utilized to drive the gear 31 to rotate, the gear ring 10 rotates on the rotating shaft 11, the scraping plate 5 performs circular motion, impurities on the inner wall of the ladle nozzle brick drop off, and the impurities possibly drop to the surface of the supporting plate 2, after the scraping work on the inner wall of the ladle nozzle brick is finished, the position of the scraping plate 5 can be adjusted again, so that the scraping plate 5 can be attached to the surface of the supporting plate 2 and then perform circular motion again, the impurities attached to the surface of the supporting plate 2 can be scraped, the contact with the inner wall of the ladle nozzle brick is avoided, and even if the impurities drop to the groove of the first motor 10 rotates on the rotating shaft 11, the scraping plate 2 is not recessed, and the inner wall of the ladle nozzle brick can be cleaned, and the ladle nozzle brick can be fixed, and the ladle nozzle brick can be removed after the work is finished; therefore, when the inner cavity of the ladle nozzle brick to be replaced has the condition of expanding diameter, the inner diameter self-adaptive impurity-preventing blocking type clamping mechanism is utilized, the angles of the plurality of support plates 2 are adjusted, so that the support plates 2 avoid the position where the expanding diameter occurs, and then the plurality of support plates 2 are driven to move towards the inner wall of the ladle nozzle brick at the same time, thereby realizing fixation, and eliminating the trouble of manually rotating the handle 14; when the diameter expansion of the inner wall of the ladle nozzle brick is serious and the support plate 2 cannot be bonded with the inner wall of the ladle nozzle brick by changing the angle of the support plate, the displacement distance of each support plate 2 can be independently adjusted, so that the support plate 2 can be bonded with the inner wall of the ladle nozzle brick to realize fixation; when the ladle nozzle brick inner wall is attached with more impurities, and can not avoid through changing the angle of the supporting plate 2, the mode of scraping the surface of the supporting plate 2 and the inner wall of the ladle nozzle brick can be used for scraping the impurities on the inner wall of the ladle nozzle brick and the surface of the supporting plate 2, so that the situation that the ladle nozzle brick inner wall is separated from the supporting plate 2 due to the impurities, the lamination effect of the ladle nozzle brick inner wall and the supporting plate 2 is poor, the clamping firmness degree is influenced, and the replacement of the ladle nozzle brick is difficult to realize is avoided.
In this embodiment, as shown in fig. 7 and 8, both sides of the lower end of the handle 14 are slidably connected with a sliding column 18, and the lower end of the sliding column 18 is fixedly connected with a fastening plate 15;
The sliding column 18 is sleeved with a spring 17, one end of the spring 17 is fixedly connected with the bottom of the handle 14, and one end of the spring 17 is fixedly connected with the upper end of the fastening plate 15;
The upper end surface of the fastening plate 15 is fixedly connected with a soft cushion 16;
specifically, when the person holds the handle 14, the fingers pass through the gap between the handle 14 and the fastening plate 15, and then the cushion 16 is attached to the person's hand by the cooperation of the spring 17 and the slide column 18, so as to realize fastening, and the cushion 16 is made of elastic materials, so that the hand is not damaged by clamping, and the situation that the person holds the handle 14, and the handle 14 falls off due to sliding of the hand, thereby affecting the normal replacement work is avoided.
Working principle: when a person holds the handle 14, fingers pass through a gap between the handle 14 and the fastening plate 15, then the cushion 16 is attached to the person's hand by utilizing the cooperation of the spring 17 and the sliding column 18, fastening is realized, and the cushion 16 is made of elastic materials, the condition that the hand is injured by clamping can not occur, so that the situation that when the person holds the handle 14, the handle 14 drops due to sliding of hands, the replacement work is influenced to be normally carried out is avoided, the person holds the handle 14, the mounting column 1 stretches into the inner cavity of a ladle nozzle brick to be replaced, if the inner diameter of the ladle nozzle brick is uniform and the diameter expanding condition does not occur, a plurality of motors five 28 can be started simultaneously to drive a connecting rod two 27 to rotate, so that an included angle between the connecting rod two 27 and the connecting rod one 26 is changed, a plurality of support plates 2 are enabled to move towards the inner wall of the ladle brick, and attach to the inner wall of the ladle nozzle brick, one side of the ladle nozzle brick is enabled to attach to the bulge on the front side of the support plate 2, then the motor one 6 is started to drive the threaded rod 4 to rotate, the clamping plate 3 slides and attach to the end face of the ladle brick, at the moment, the two sides of the ladle nozzle brick are supported by the inner cavity of the ladle brick, and then the motor is enabled to be clamped by the motor three to drive the threaded rod 20 to move the threaded rod 11 to move towards the ladle brick, and the ladle brick 11 to be installed in a new mode, so that the ladle brick is installed to be removed by the rotating, and the ladle brick is installed to be the ladle brick to be installed to a new to be installed; when the inner cavity of the ladle nozzle brick to be replaced has the condition of expanding diameter, the sleeve 12 can be driven to rotate by the second starting motor 19, the angles of the plurality of support plates 2 are adjusted, the support plates 2 avoid the position where the expanding diameter occurs, and then the plurality of support plates 2 are driven to move towards the inner wall of the ladle nozzle brick at the same time, so that the fixation is realized, and the trouble of manually rotating the handle 14 is eliminated; when the diameter expansion of the inner wall of the ladle nozzle brick is serious, the diameter expansion position can not be thoroughly avoided only by adjusting the angle of the supporting plate 2, and the displacement distance of each supporting plate 2 can be independently adjusted by independently controlling the motors five 28 to ensure that the displacement distance of each supporting plate 2 is different, so that each supporting plate 2 can be attached to the inner wall of the ladle nozzle brick, when the diameter expansion of the inner wall of the ladle nozzle brick is serious, and the attachment of the inner wall of the ladle nozzle brick can not be realized by changing the angle of the supporting plate 2, the displacement distance of each supporting plate 2 can be independently adjusted, and the supporting plate 2 can be attached to the inner wall of the ladle nozzle brick to realize fixation;
When more impurities are attached to the inner wall of a ladle nozzle brick and cannot be avoided by changing the angle of the supporting plate 2, the worm 23 can be driven to rotate by the fourth motor 22, so that the worm wheel 24 and the second threaded rod 8 rotate, when the second threaded rod 8 rotates, the connecting plate 7 slides on the sliding rod 9, the distance between the scraping plate 5 and the inner wall of the ladle nozzle brick is adjusted, one side of the scraping plate 5 is attached to the inner wall of the ladle nozzle brick, then the sixth motor 30 is utilized to drive the gear 31 to rotate, the gear ring 10 rotates on the rotating shaft 11, the scraping plate 5 performs circular motion, impurities on the inner wall of the ladle nozzle brick drop off, and the impurities possibly drop to the surface of the supporting plate 2, after the scraping work on the inner wall of the ladle nozzle brick is finished, the position of the scraping plate 5 can be adjusted again, so that the scraping plate 5 can be attached to the surface of the supporting plate 2 and then perform circular motion again, the impurities attached to the surface of the supporting plate 2 can be scraped, the contact with the inner wall of the ladle nozzle brick is avoided, and even if the impurities drop to the groove of the first motor 10 rotates on the rotating shaft 11, the scraping plate 2 is not recessed, and the inner wall of the ladle nozzle brick can be cleaned, and the ladle nozzle brick can be fixed, and the ladle nozzle brick can be removed after the work is finished; therefore, when the inner cavity of the ladle nozzle brick to be replaced has the condition of expanding diameter, the inner diameter self-adaptive impurity-preventing blocking type clamping mechanism is utilized, the angles of the plurality of support plates 2 are adjusted, so that the support plates 2 avoid the position where the expanding diameter occurs, and then the plurality of support plates 2 are driven to move towards the inner wall of the ladle nozzle brick at the same time, thereby realizing fixation, and eliminating the trouble of manually rotating the handle 14; when the diameter expansion of the inner wall of the ladle nozzle brick is serious and the support plate 2 cannot be bonded with the inner wall of the ladle nozzle brick by changing the angle of the support plate, the displacement distance of each support plate 2 can be independently adjusted, so that the support plate 2 can be bonded with the inner wall of the ladle nozzle brick to realize fixation; when the ladle nozzle brick inner wall is attached with more impurities, and can not avoid through changing the angle of the supporting plate 2, the mode of scraping the surface of the supporting plate 2 and the inner wall of the ladle nozzle brick can be used for scraping the impurities on the inner wall of the ladle nozzle brick and the surface of the supporting plate 2, so that the situation that the ladle nozzle brick inner wall is separated from the supporting plate 2 due to the impurities, the lamination effect of the ladle nozzle brick inner wall and the supporting plate 2 is poor, the clamping firmness degree is influenced, and the replacement of the ladle nozzle brick is difficult to realize is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a quick replacement device of ladle mouth of a river brick, includes handle (14), its characterized in that: the steel ladle nozzle is characterized in that the rear end of the handle (14) is fixedly connected with a shell (13), the rear end of the shell (13) is rotatably provided with a sleeve (12), an inner cavity of the sleeve (12) is slidably connected with a rotating shaft (11), the rear end of the rotating shaft (11) is fixedly connected with a mounting column (1), and an inner diameter self-adaptive impurity-preventing blocking type clamping mechanism for supporting a steel ladle nozzle brick is arranged on the mounting column (1);
the inner diameter self-adaptive impurity-preventing blocking type clamping mechanism comprises a plurality of first sliding blocks (25) which are connected to the mounting column (1) in a sliding mode, first connecting rods (26) are rotatably arranged on one sides of the first sliding blocks (25), supporting plates (2) are rotatably arranged at one ends of the first connecting rods (26), second connecting rods (27) are rotatably arranged in the middle of the first connecting rods (26), one ends of the second connecting rods (27) are rotatably arranged on the front side of the mounting column (1), second sliding blocks (29) are rotatably arranged at one ends of the second connecting rods (27), and one sides of the second sliding blocks (29) are slidably connected with the supporting plates (2);
The gear ring (10) is sleeved and rotated on the rear side of the rotating shaft (11), a slide bar (9) is fixedly connected to one side of the upper end of the gear ring (10), a connecting plate (7) is connected to one side of the slide bar (9) in a sliding manner, a scraping plate (5) is fixedly connected to one end of the connecting plate (7), a motor II (19) is fixedly connected to one side of the inner cavity wall of the shell (13), the output end of the motor II (19) is fixedly connected with the sleeve (12), a motor III (20) is fixedly connected to the front side of the inner cavity of the sleeve (12), the output end of the motor III (20) is fixedly connected with a threaded rod III (21), the threaded rod III (21) is connected with the rotating shaft (11) in a threaded manner, a worm wheel II (8) is connected to one side of the connecting plate (7) in a threaded manner, a worm wheel II (24) is sleeved and fixedly connected to the lower end of the threaded rod II (8), a worm (23) is arranged on one side of the upper end of the gear ring (10) in a rotating manner, the worm (23) is meshed with the worm (24) in a manner, one side of the upper end of the gear ring (10) is fixedly connected with a motor IV (22) in a manner, the output end of the motor IV (22) is fixedly connected to the front of the sleeve (22), the motor IV (22) is connected to the front of the worm (23) and the worm 31) and the worm (31) is meshed with the front side of the gear (31), six (30) motors of erection column (1) front end one side fixedly connected with, six (30) outputs of motor link to each other with gear (31) are fixed, five (28) motors of erection column (1) front side fixedly connected with, five (28) outputs of motor link to each other with two (27) one end fixedly, backup pad (2) one side sliding connection has grip block (3), grip block (3) one end threaded connection has threaded rod one (4), threaded rod one (4) both ends all rotate and set up backup pad (2) both ends, backup pad (2) front end face middle part fixedly connected with motor one (6), motor one (6) output links to each other with threaded rod one (4) front end fixed.
2. The rapid replacing device for ladle nozzle bricks according to claim 1, wherein: both sides of the lower end of the handle (14) are slidably connected with sliding columns (18), and the lower ends of the sliding columns (18) are fixedly connected with fastening plates (15).
3. The rapid replacing device for ladle nozzle bricks according to claim 2, wherein: the sliding column (18) is sleeved with a spring (17), one end of the spring (17) is fixedly connected with the bottom of the handle (14), and one end of the spring (17) is fixedly connected with the upper end of the fastening plate (15).
4. A ladle nozzle brick quick change device according to claim 3, wherein: the upper end face of the fastening plate (15) is fixedly connected with a soft cushion (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410383335.XA CN117961048B (en) | 2024-04-01 | 2024-04-01 | Quick replacement device of ladle mouth of a river brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410383335.XA CN117961048B (en) | 2024-04-01 | 2024-04-01 | Quick replacement device of ladle mouth of a river brick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117961048A CN117961048A (en) | 2024-05-03 |
| CN117961048B true CN117961048B (en) | 2024-06-07 |
Family
ID=90866041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410383335.XA Active CN117961048B (en) | 2024-04-01 | 2024-04-01 | Quick replacement device of ladle mouth of a river brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117961048B (en) |
Citations (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202062077U (en) * | 2011-01-04 | 2011-12-07 | 马鞍山钢铁股份有限公司 | Disassembling pull rod for steel ladle upper nozzle |
| CN203863011U (en) * | 2014-05-20 | 2014-10-08 | 濮阳濮耐高温材料（集团）股份有限公司 | Nozzle pulling-out device |
| CN203863012U (en) * | 2014-05-07 | 2014-10-08 | 卫辉市川亚冶金设备制造有限公司 | Ladle upper nozzle brick recovery device |
| CN204294914U (en) * | 2014-09-05 | 2015-04-29 | 新疆八一钢铁股份有限公司 | A kind of quick replacement device of ladle nozzle brick |
| CN106312037A (en) * | 2015-06-18 | 2017-01-11 | 江苏悦展新型材料有限公司 | Detaching tool for upper nozzle brick for steel pouring |
| CN206527338U (en) * | 2017-02-28 | 2017-09-29 | 河南熔金高温材料股份有限公司 | The pull-type quick draw-off gear of ladle upper nozzle of one kind plug |
| CN107262706A (en) * | 2017-06-08 | 2017-10-20 | 济南新峨嵋实业有限公司 | A kind of front inserting filling pipe end provision for disengagement |
| CN107377922A (en) * | 2017-08-09 | 2017-11-24 | 湖北航宇鑫宝铸管有限公司 | A kind of automatic sand-aerating apparatus of cast tube |
| CN109465437A (en) * | 2018-12-15 | 2019-03-15 | 江苏盛耐新材料有限公司 | A kind of steel ladle integral type nozzle brick being conveniently replaceable |
| CN110524447A (en) * | 2019-08-30 | 2019-12-03 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Clamp force adaptive BGA device smooth transfer fixture |
| CN209773341U (en) * | 2018-12-27 | 2019-12-13 | 宁波大学 | Linkage type three-roller tilting device |
| KR20200034204A (en) * | 2018-09-21 | 2020-03-31 | 현대제철 주식회사 | Top-nozzle disassembling apparatus of ladle |
| CN111578042A (en) * | 2020-06-16 | 2020-08-25 | 合肥鑫峰机械科技有限责任公司 | Intelligent decontamination robot for water supply pipeline |
| CN211438089U (en) * | 2020-06-24 | 2020-09-08 | 江苏高鑫高温新材料科技有限公司 | Long nozzle body |
| CN211637650U (en) * | 2019-09-18 | 2020-10-09 | 韩瑞永 | Residual cleaning device in chemical raw material barrel |
| CN112371970A (en) * | 2020-11-16 | 2021-02-19 | 马鞍山科润冶金材料有限公司 | A tear open and repair mechanism for nozzle brick in ladle |
| CN212577471U (en) * | 2020-06-23 | 2021-02-23 | 苏州智锐捷机械科技有限公司 | Extrusion type casting die convenient to disassemble |
| CN113001581A (en) * | 2020-12-17 | 2021-06-22 | 刘鑫宇 | Manipulator clamping jaw with auxiliary positioning mechanism for industry |
| CN113427516A (en) * | 2021-08-26 | 2021-09-24 | 向海重工集团股份有限公司 | Mechanical arm for mining machinery capable of adapting to irregular shape |
| CN214683307U (en) * | 2021-04-13 | 2021-11-12 | 恩曼自动化技术(上海)有限公司 | Scale deposit decrement is clear away and is used straight tube type device |
| CN214686291U (en) * | 2021-04-07 | 2021-11-12 | 宁波宁力高强度紧固件有限公司 | Bolt disassembling mechanism |
| CN113635262A (en) * | 2021-09-13 | 2021-11-12 | 国网新源控股有限公司 | Bearing dismounting device |
| CN113857470A (en) * | 2021-09-15 | 2021-12-31 | 昆明理工大学 | Water gap protection device for metallurgical container |
| CN215564454U (en) * | 2021-08-17 | 2022-01-18 | 青岛旭华建设集团有限公司 | Preformed hole embedded pipe convenient to disassemble |
| CN216175008U (en) * | 2021-10-22 | 2022-04-05 | 梅州客赢天下食品饮料有限公司 | Water pipeline cleaning device |
| CN217369604U (en) * | 2022-04-16 | 2022-09-06 | 沧州中铁装备制造材料有限公司 | Slag removing mechanism of continuous casting crystallizer |
| CN217597116U (en) * | 2021-12-21 | 2022-10-18 | 威海职业学院(威海市技术学院) | Mechanical clamp for manipulator |
| CN218018255U (en) * | 2022-05-31 | 2022-12-13 | 天津市林海建设工程集团有限公司 | Portable building pipeline installation tool |
| CN218134946U (en) * | 2022-07-29 | 2022-12-27 | 山西晋南钢铁集团有限公司 | A remove device for mouth of a river on ladle |
| CN218341005U (en) * | 2022-07-23 | 2023-01-20 | 山西皓昆耐火材料有限公司 | Ladle upper nozzle brick mounting and positioning tool |
| CN218592881U (en) * | 2022-08-31 | 2023-03-10 | 方婷 | Bearing puller for automobile maintenance |
| CN218715189U (en) * | 2022-11-16 | 2023-03-24 | 刘雪妮 | Concrete pouring device |
| CN116329533A (en) * | 2023-05-06 | 2023-06-27 | 浙江龙成耐火材料有限公司 | Device and process for producing aluminum-carbon immersed nozzle |
| CN219597616U (en) * | 2023-02-24 | 2023-08-29 | 黄山市博恩科技有限公司 | Storage tank cleaning device is used in preparation of hydroxyalkyl amide |
| CN116690493A (en) * | 2023-06-26 | 2023-09-05 | 张家港扬子江冷轧板有限公司 | Rolling mill bearing dismounting device |
| CN116967969A (en) * | 2023-08-21 | 2023-10-31 | 河南中安电子探测技术有限公司 | Aluminum head explosion-proof piece mounting fixture and mounting method |
| CN116967211A (en) * | 2023-07-25 | 2023-10-31 | 中润环保科技(南通)有限公司 | Pipeline cleaning device for industrial sewage treatment |
| CN220480235U (en) * | 2023-07-26 | 2024-02-13 | 江苏盛耐新材料有限公司 | Ladle upper nozzle brick installation positioning tool |
| CN117548447A (en) * | 2024-01-10 | 2024-02-13 | 山西三水能源股份有限公司 | A device for cleaning impurities on the inner wall of thermal pipelines |
| CN220497763U (en) * | 2023-08-04 | 2024-02-20 | 巩义市科正冶金材料有限公司 | Overhauling mechanism for ladle inner nozzle brick |
-
2024
- 2024-04-01 CN CN202410383335.XA patent/CN117961048B/en active Active
Patent Citations (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202062077U (en) * | 2011-01-04 | 2011-12-07 | 马鞍山钢铁股份有限公司 | Disassembling pull rod for steel ladle upper nozzle |
| CN203863012U (en) * | 2014-05-07 | 2014-10-08 | 卫辉市川亚冶金设备制造有限公司 | Ladle upper nozzle brick recovery device |
| CN203863011U (en) * | 2014-05-20 | 2014-10-08 | 濮阳濮耐高温材料（集团）股份有限公司 | Nozzle pulling-out device |
| CN204294914U (en) * | 2014-09-05 | 2015-04-29 | 新疆八一钢铁股份有限公司 | A kind of quick replacement device of ladle nozzle brick |
| CN106312037A (en) * | 2015-06-18 | 2017-01-11 | 江苏悦展新型材料有限公司 | Detaching tool for upper nozzle brick for steel pouring |
| CN206527338U (en) * | 2017-02-28 | 2017-09-29 | 河南熔金高温材料股份有限公司 | The pull-type quick draw-off gear of ladle upper nozzle of one kind plug |
| CN107262706A (en) * | 2017-06-08 | 2017-10-20 | 济南新峨嵋实业有限公司 | A kind of front inserting filling pipe end provision for disengagement |
| CN107377922A (en) * | 2017-08-09 | 2017-11-24 | 湖北航宇鑫宝铸管有限公司 | A kind of automatic sand-aerating apparatus of cast tube |
| KR20200034204A (en) * | 2018-09-21 | 2020-03-31 | 현대제철 주식회사 | Top-nozzle disassembling apparatus of ladle |
| CN109465437A (en) * | 2018-12-15 | 2019-03-15 | 江苏盛耐新材料有限公司 | A kind of steel ladle integral type nozzle brick being conveniently replaceable |
| CN209773341U (en) * | 2018-12-27 | 2019-12-13 | 宁波大学 | Linkage type three-roller tilting device |
| CN110524447A (en) * | 2019-08-30 | 2019-12-03 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Clamp force adaptive BGA device smooth transfer fixture |
| CN211637650U (en) * | 2019-09-18 | 2020-10-09 | 韩瑞永 | Residual cleaning device in chemical raw material barrel |
| CN111578042A (en) * | 2020-06-16 | 2020-08-25 | 合肥鑫峰机械科技有限责任公司 | Intelligent decontamination robot for water supply pipeline |
| CN212577471U (en) * | 2020-06-23 | 2021-02-23 | 苏州智锐捷机械科技有限公司 | Extrusion type casting die convenient to disassemble |
| CN211438089U (en) * | 2020-06-24 | 2020-09-08 | 江苏高鑫高温新材料科技有限公司 | Long nozzle body |
| CN112371970A (en) * | 2020-11-16 | 2021-02-19 | 马鞍山科润冶金材料有限公司 | A tear open and repair mechanism for nozzle brick in ladle |
| CN113001581A (en) * | 2020-12-17 | 2021-06-22 | 刘鑫宇 | Manipulator clamping jaw with auxiliary positioning mechanism for industry |
| CN214686291U (en) * | 2021-04-07 | 2021-11-12 | 宁波宁力高强度紧固件有限公司 | Bolt disassembling mechanism |
| CN214683307U (en) * | 2021-04-13 | 2021-11-12 | 恩曼自动化技术(上海)有限公司 | Scale deposit decrement is clear away and is used straight tube type device |
| CN215564454U (en) * | 2021-08-17 | 2022-01-18 | 青岛旭华建设集团有限公司 | Preformed hole embedded pipe convenient to disassemble |
| CN113427516A (en) * | 2021-08-26 | 2021-09-24 | 向海重工集团股份有限公司 | Mechanical arm for mining machinery capable of adapting to irregular shape |
| CN113635262A (en) * | 2021-09-13 | 2021-11-12 | 国网新源控股有限公司 | Bearing dismounting device |
| CN113857470A (en) * | 2021-09-15 | 2021-12-31 | 昆明理工大学 | Water gap protection device for metallurgical container |
| CN216175008U (en) * | 2021-10-22 | 2022-04-05 | 梅州客赢天下食品饮料有限公司 | Water pipeline cleaning device |
| CN217597116U (en) * | 2021-12-21 | 2022-10-18 | 威海职业学院(威海市技术学院) | Mechanical clamp for manipulator |
| CN217369604U (en) * | 2022-04-16 | 2022-09-06 | 沧州中铁装备制造材料有限公司 | Slag removing mechanism of continuous casting crystallizer |
| CN218018255U (en) * | 2022-05-31 | 2022-12-13 | 天津市林海建设工程集团有限公司 | Portable building pipeline installation tool |
| CN218341005U (en) * | 2022-07-23 | 2023-01-20 | 山西皓昆耐火材料有限公司 | Ladle upper nozzle brick mounting and positioning tool |
| CN218134946U (en) * | 2022-07-29 | 2022-12-27 | 山西晋南钢铁集团有限公司 | A remove device for mouth of a river on ladle |
| CN218592881U (en) * | 2022-08-31 | 2023-03-10 | 方婷 | Bearing puller for automobile maintenance |
| CN218715189U (en) * | 2022-11-16 | 2023-03-24 | 刘雪妮 | Concrete pouring device |
| CN219597616U (en) * | 2023-02-24 | 2023-08-29 | 黄山市博恩科技有限公司 | Storage tank cleaning device is used in preparation of hydroxyalkyl amide |
| CN116329533A (en) * | 2023-05-06 | 2023-06-27 | 浙江龙成耐火材料有限公司 | Device and process for producing aluminum-carbon immersed nozzle |
| CN116690493A (en) * | 2023-06-26 | 2023-09-05 | 张家港扬子江冷轧板有限公司 | Rolling mill bearing dismounting device |
| CN116967211A (en) * | 2023-07-25 | 2023-10-31 | 中润环保科技(南通)有限公司 | Pipeline cleaning device for industrial sewage treatment |
| CN220480235U (en) * | 2023-07-26 | 2024-02-13 | 江苏盛耐新材料有限公司 | Ladle upper nozzle brick installation positioning tool |
| CN220497763U (en) * | 2023-08-04 | 2024-02-20 | 巩义市科正冶金材料有限公司 | Overhauling mechanism for ladle inner nozzle brick |
| CN116967969A (en) * | 2023-08-21 | 2023-10-31 | 河南中安电子探测技术有限公司 | Aluminum head explosion-proof piece mounting fixture and mounting method |
| CN117548447A (en) * | 2024-01-10 | 2024-02-13 | 山西三水能源股份有限公司 | A device for cleaning impurities on the inner wall of thermal pipelines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117961048A (en) | 2024-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117961048B (en) | Quick replacement device of ladle mouth of a river brick | |
| CN116160143A (en) | Welding process for large-caliber hastelloy steel pipeline | |
| CN216179676U (en) | Shot blasting machine for groove pipe fitting | |
| CN220954706U (en) | Novel concrete vibrates device | |
| CN219852187U (en) | Three-jaw chuck convenient to change | |
| CN218284896U (en) | Metal drain surface burr removing machine | |
| CN116083831B (en) | Middle-width strip steel for cultivation shed and preparation method thereof | |
| CN218488446U (en) | Polytypic case is grabbed and is taken tipping arrangement with compatibility | |
| CN211522129U (en) | Ash removing knife plated with high-entropy alloy nitride coating on surface | |
| CN219464158U (en) | Auxiliary ingot casting cleaning equipment for vacuum consumable arc furnace | |
| CN217027612U (en) | Evaporate and press aerated concrete infilled wall to build by laying bricks or stones and use brickwork | |
| CN220783875U (en) | Quick change device for reamer of furnace disassembly machine | |
| CN113751678B (en) | High-strength heavy steel production process and processing equipment thereof | |
| CN220574747U (en) | Improved numerical control lathe | |
| CN220978707U (en) | Blade coating device for building decoration | |
| CN210272535U (en) | Novel zinc-nickel power battery pole plate forming process plate | |
| CN222241958U (en) | Surface cleaning device for nonferrous metal rolling processing | |
| CN218466429U (en) | Hydraulic pump of guardrail cleaning vehicle | |
| CN218284019U (en) | Gear grinding tool for machining special-shaped gear | |
| CN218613482U (en) | CNC grinding head for glass cover plate | |
| CN222100019U (en) | Main runner structure of blast furnace iron storage type molten iron runner | |
| CN221910667U (en) | Electrode cap dismounting device | |
| CN217841276U (en) | Improved anti-blocking sliding door structure for wardrobe | |
| CN215713491U (en) | Electroplating work is with rocker convenient to adjust | |
| CN216790908U (en) | A slag removal equipment is smelted to meteorite for celadon product manufacturing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |