CN218015756U - Steel ladle covering and uncovering device - Google Patents
Steel ladle covering and uncovering device Download PDFInfo
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- CN218015756U CN218015756U CN202222288779.4U CN202222288779U CN218015756U CN 218015756 U CN218015756 U CN 218015756U CN 202222288779 U CN202222288779 U CN 202222288779U CN 218015756 U CN218015756 U CN 218015756U
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- lifting
- arc surface
- driving shaft
- ladle
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Abstract
The utility model discloses a steel ladle covering and uncovering device, which comprises a traversing trolley, a lifting hook and a lifting chain, wherein the lifting hook is connected with the lower end of the lifting chain; the shape of the balance wheel comprises an arc surface and a reducing arc surface connected with the arc surface, and the radius of the reducing arc surface is larger than that of the arc surface. The utility model discloses a ladle adds takes off lid device passes through balance structural design, makes the ladle lid independently promote or descend according to the settlement angle, realizes that flap and ladle hinge pin are automatic to break away from or cooperate, guarantees to add and takes off the stable direct motion of lid process, and simplified equipment controls, improve equipment operating efficiency.
Description
Technical Field
The utility model relates to a steelmaking equipment technical field, in particular to ladle adds takes off and covers device.
Background
The whole-process steel ladle covering technology can greatly reduce the temperature loss of the steel (iron) ladle in the turnover process and reduce the production cost, and relates to the whole steel-making production links of converter, refining, continuous casting, slag pouring, hot repair and the like. The device is limited by field process conditions and equipment stability, and in order to prevent the ladle cover from falling off in the deslagging or hot repair process, when the ladle cover hinge plate adopts a hook-shaped structure or a structure with a chamfer angle, the mechanism is blocked in the cover adding and removing process due to vertical lifting, even the cover adding and removing fails, and the equipment control difficulty is increased.
The whole-process covering technology for the steel ladle is the most effective method for preventing the temperature loss of the ladle lining, can reduce the coal gas consumption of ladle baking, save LF heating cost, cancel the feeding of a heat preservation agent, reduce the temperature fluctuation of molten steel, improve the service life of the refractory material of the ladle lining, and the like, is favorable for stabilizing the process control of each procedure, realizing the low-temperature operation of the molten steel, reducing the energy consumption, improving the product quality, and obtaining good economic benefit and social benefit.
The commonly used capping and uncapping equipment in the prior art has two forms of an interdigital capping and uncapping mechanism and a swing hook capping and uncapping mechanism, and is a hinge device with a self-locking function or a hook-shaped structure/chamfered hinge device which is generally adopted. When the hook-shaped hinge structure with the chamfer is adopted, the mechanism is easily blocked in the lifting process of the ladle cover, the field control difficulty is increased, and the operation efficiency of the equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel ladle covering and uncovering device, which aims to overcome the defects of the prior art. The utility model discloses a balance structural design makes the be built by contract according to setting for the angle and independently promotes or descend, realizes that flap and ladle hinge pin are automatic breaks away from or cooperates, guarantees to add and takes off the stable direct motion of lid process, simplifies equipment and controls, improve equipment operating efficiency.
The utility model provides a technical scheme that its technical problem adopted is:
a steel ladle capping and uncapping device comprises a traversing trolley, a lifting hook and a lifting chain, wherein the lifting hook is connected with the lower end of the lifting chain;
the shape of the balance wheel comprises an arc surface and a reducing arc surface connected with the arc surface, and the radius of the reducing arc surface is larger than that of the arc surface.
The length of the lifting hook is larger than the diameter-changing length of the balance wheel.
The outer arc of the balance wheel adopts a wheel groove structure.
The lifting hook, the lifting chain and the balance wheel are respectively provided with a plurality of sets.
The lifting hook, the lifting chain and the balance wheels are respectively provided with three sets or four sets, the driving shaft comprises a driving shaft and a driven shaft, the axes of the driving shaft and the driven shaft are parallelly arranged on the rack, two sets of balance wheels are arranged on the driving shaft, the other set or two sets of balance wheels are arranged on the driven shaft, the driving shaft and the driven shaft are connected through a synchronous connecting rod, and the driving shaft and the driven shaft are hinged with the synchronous connecting rod through pin shafts.
The power mechanism adopts an oil cylinder, wherein the outer end of a piston rod of the oil cylinder is hinged with the driving shaft through a pin shaft, and the rear end of a cylinder body of the oil cylinder is hinged with the bracket through a pin shaft.
The hinge plate adopts a hook-shaped hinge structure and a chamfered hinge structure.
The lifting hooks are connected through the swing-proof connecting arm to form an integral structure.
The beneficial effects of the utility model are that:
1. the utility model discloses a ladle is with taking off and covering device, is equipped with the drive shaft on the frame, and the balance is connected with the drive shaft, and the drive shaft is connected with power unit, and the lifting chain upper end is connected on the balance, and the lifting chain winds around the balance, and the lifting hook is connected with the lifting chain, and the flap is with ladle hinge pin cooperation; the shape of the balance wheel comprises an arc surface and a reducing arc surface connected with the arc surface, and the radius of the reducing arc surface is larger than that of the arc surface. Through the structural design of the balance wheel, the ladle cover can be automatically lifted or lowered according to a set angle, the automatic separation or matching of the hinge plate and the ladle hinge shaft is realized, the stable and smooth movement of the cover adding and removing process is ensured, the equipment operation is simplified, and the equipment operation efficiency is improved.
When lifting, the lifting hook and the bag cover are hung up to complete the cover uncovering; when the lifting chain descends, the ladle cover descends and is parked on the original position of the ladle opening, and the capping is finished. The lifting hook is a lifting mechanism of the ladle cover, and after the lifting hook is hung on the lifting lug of the ladle cover, the lifting hook is lifted to separate the ladle cover from the ladle. The transverse moving trolley pushes towards the ladle cover lifting lug, the lifting hook is directly hung on the ladle cover lifting lug, and the cover adding and uncovering operation is simple and convenient.
2. The length of the lifting hook is larger than the diameter-variable length of the balance wheel, so that the failure or unhooking of the hook is avoided.
3. The outer arc of the balance wheel adopts a wheel groove structure. The hoisting chain is ensured to be strictly wound according to the cambered surface through the wheel groove structure, and the hoisting chain is prevented from being separated.
4. The lifting hook, the lifting chain and the balance wheels are respectively provided with three sets or four sets, the driving shaft comprises a driving shaft and a driven shaft, the axes of the driving shaft and the driven shaft are parallelly arranged on the rack, two sets of balance wheels are arranged on the driving shaft, the other set or two sets of balance wheels are arranged on the driven shaft, the driving shaft and the driven shaft are connected through a synchronous connecting rod, and the driving shaft and the driven shaft are hinged with the synchronous connecting rod through pin shafts. The clearance at the joint is strictly controlled to ensure that the front and rear balance wheels are synchronized.
5. The power mechanism adopts an oil cylinder, wherein the outer end of a piston rod of the oil cylinder is hinged with the driving shaft through a pin shaft, and the rear end of a cylinder body of the oil cylinder is hinged with the bracket through a pin shaft. The driving force of the oil cylinder only acts on the driving shaft, and the driving of the driven shaft is transmitted through a synchronous connecting rod, so that the synchronization of the front and the rear lifting hooks is ensured. The hoisting weight of the ladle cover and the hoisting hook is concentrated on the central shaft connected with the oil cylinder, the bearing capacity of the central shaft is considered, and the piston rod is ensured not to interfere with the driving shaft by setting a reasonable oil cylinder pushing stroke.
6. The hinge plate adopts a hook-shaped hinge structure and a hinge structure with a chamfer, and the balance wheel structure design enables the ladle cover to be automatically lifted or lowered according to a set angle, so that the hinge plate and the ladle hinge shaft are automatically separated or matched, the operation of equipment is simplified, and the operation efficiency of the equipment is improved.
7. Because form an organic whole structure through preventing the connection of pendulum linking arm between a plurality of lifting hooks, if three or four lifting hooks form an organic whole structure after preventing the connection of pendulum linking arm, can directly hang the be built by contract lug after the sideslip platform truck pushes away and moves, can reduce the swing range of lifting hook, increase equipment and personnel's safety. The anti-swing connecting arm is connected or welded by a pin shaft, so that the swing of the lifting hook caused by lifting of the steel chain is reduced to the maximum extent. The problem of when the lifting chain is connected, the lifting hook swing can increase the control degree of difficulty of hanging the lid is solved.
Drawings
The invention is further described with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a partial view of fig. 1 taken along direction a.
In the figure, 1 a transverse moving trolley, 2 a lifting hook, 3 a lifting chain, 4 balance wheels, 5 a synchronous connecting rod, 6 an anti-swing connecting arm, 7 a hinge plate, 8 shaft seats and 9 oil cylinders.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1-2, a steel ladle capping and uncapping device comprises a traverse trolley 1, a lifting hook 2, a lifting chain 3 and a balance wheel 4, wherein the lifting hook 2 is connected with the lower end of the lifting chain 3, the upper end of the lifting chain 3 is wound and connected with the balance wheel 4, the traverse trolley 1 comprises a frame, a driving shaft is arranged on the frame, the balance wheel 4 is connected with the driving shaft, the driving shaft is connected with a power mechanism, the lower end of the lifting chain is connected with the lifting hook 2, the upper end of the lifting chain is connected with the balance wheel, the lifting hook 2 is connected with a hinge plate 7, the lifting chain is wound around the balance wheel, the lifting hook and the ladle cap are hung during lifting, and uncapping is completed; when the lifting chain descends, the ladle cover descends and is parked on the original position of the ladle opening, and the capping is finished. The lifting hook is a lifting mechanism of the ladle cover, and after the lifting hook is hung on the lifting lug of the ladle cover, the lifting hook is lifted to separate the ladle cover from the ladle. The transverse moving trolley is pushed towards the ladle cover lifting lug, the lifting hook is directly hung on the ladle cover lifting lug, and the operation of covering and uncovering is simple and convenient.
A steel ladle covering and uncovering device comprises a transverse trolley 1, a lifting hook 2, a lifting chain 3 and a balance wheel 4, wherein the lifting hook 2 is connected with the lower end of the lifting chain 3, the transverse trolley 1 comprises a rack, a driving shaft is arranged on the rack, the balance wheel 4 is connected with the driving shaft, the driving shaft is connected with a power mechanism, the upper end of the lifting chain 3 is connected onto the balance wheel 4, the lifting chain is wound around the balance wheel, and the lifting hook 2 is connected with the lifting chain 3;
the hinge plate has a certain inclination angle to prevent the ladle cover from being separated from the hinge shaft when the ladle is tipped, the balance wheel comprises an arc surface and a reducing arc surface connected with the arc surface, and the radius of the reducing arc surface is larger than that of the arc surface. When the cambered surface is not changed in diameter, the lifting chain is wound along the cambered surface, and the ladle cover and the lifting hook are vertically lifted or lowered; the balance wheel rotates, the lifting chain is wound along the variable-diameter arc-shaped surface, the lifting hook and the ladle cover are obliquely lifted or descended, and the lifting hook and the ladle cover are automatically separated from or combined with the hinge seat. The arc length is the lifting height of the ladle cover and the lifting hook, and the reducing length is the transverse moving distance of the ladle cover and the lifting hook. The balance may adopt a cam-like configuration.
Because the height of the slag accumulated on the ladle opening can influence the connecting position of the lifting hook and the ladle cover lifting lug, the length of the lifting hook is greater than the variable diameter length of the balance wheel, and the failure or unhooking of the hook is avoided.
The outer arc of the balance wheel adopts a groove design to prevent the lifting chain from separating, and the lifting chain is ensured to be strictly wound according to a cambered surface through a wheel groove structure; the balance wheel and the driving shaft are in key connection or are welded in a groove mode.
The lifting hook 2, the lifting chain 3 and the balance wheels 4 are respectively provided with a plurality of sets, such as three sets or four sets, when three sets of lifting hooks 2 are adopted, the three sets of lifting hooks 2 form a triangular structure, when four sets of lifting hooks 2 are adopted, the four sets of lifting hooks 2 form a rectangular structure, the driving shaft comprises a driving shaft and a driven shaft, the axes of the driving shaft and the driven shaft are parallelly installed on the rack, the two sets of balance wheels 4 are installed on the driving shaft, the other set or two sets of balance wheels are installed on the driven shaft, the driving shaft and the driven shaft are connected through a synchronous connecting rod 5, the driving shaft, the driven shaft and the synchronous connecting rod 5 are hinged through pin shafts, gaps at the joints are strictly controlled, and synchronization of the front balance wheels and the rear balance wheels is ensured.
The power mechanism adopts an oil cylinder, wherein the outer end of a piston rod of the oil cylinder is hinged with the driving shaft through a pin shaft, and the rear end of a cylinder body of the oil cylinder is hinged with the support through a pin shaft. The driving force of the oil cylinder only acts on the driving shaft, and the driving of the driven shaft is transmitted through the synchronous connecting rod, so that the synchronization of the front and rear lifting hooks is ensured. The hoisting weight of the ladle cover and the hoisting hook is concentrated on the central shaft connected with the oil cylinder, the bearing capacity of the central shaft is considered, and the piston rod is ensured not to interfere with the driving shaft by setting a reasonable oil cylinder pushing stroke.
The hinge plate 7 adopts a hook-shaped hinge structure with a chamfer angle, and the balance wheel structure design enables the ladle cover to be automatically lifted or lowered according to a set angle, so that the hinge plate and the ladle hinge shaft are automatically separated or matched, the operation of equipment is simplified, and the operation efficiency of the equipment is improved.
Connect through preventing pendulum linking arm 6 between a plurality of lifting hooks 2 and form a body structure, form a body structure if three or four lifting hooks form after preventing pendulum linking arm connects, can directly hang the be built by contract lug after the sideslip platform truck shifts, can reduce the swing range of lifting hook, increase equipment and personnel safety, when having solved the lifting chain connection, the lifting hook swing can increase the problem of the control degree of difficulty of hanging the lid. The swing-proof connecting arm is connected or welded by a pin shaft, so that the swing of the lifting hook caused by the lifting of the steel chain is reduced to the maximum extent.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
The foregoing is a preferred embodiment of the present invention and the description of the specific embodiments is only for better understanding of the idea of the invention. Modifications and equivalents may be made in accordance with the principles of the present invention which are also considered to fall within the scope of the invention.
Claims (8)
1. A steel ladle covering and uncovering device comprises a traverse trolley, a lifting hook and a lifting chain, wherein the lifting hook is connected with the lower end of the lifting chain;
the shape of the balance wheel comprises an arc surface and a reducing arc surface connected with the arc surface, and the radius of the reducing arc surface is larger than that of the arc surface.
2. The ladle covering and uncovering device as recited in claim 1, wherein the length of the lifting hook is greater than the variable diameter length of the balance wheel.
3. The ladle capping device as defined in claim 1, wherein the outer arc of the balance wheel is of a groove structure.
4. The steel ladle covering and uncovering device as claimed in claim 1, wherein the lifting hook, the lifting chain and the balance wheel are respectively provided with a plurality of sets.
5. A steel ladle covering and uncovering device as claimed in claim 4, wherein the lifting hook, the lifting chain and the balance wheel are respectively provided with three sets or four sets, the driving shaft comprises a driving shaft and a driven shaft, the axes of the driving shaft and the driven shaft are arranged on the frame in parallel, two sets of balance wheels are arranged on the driving shaft, the other set or two sets of balance wheels are arranged on the driven shaft, the driving shaft and the driven shaft are connected through a synchronous connecting rod, and the driving shaft, the driven shaft and the synchronous connecting rod are hinged through a pin shaft.
6. A steel ladle covering and uncovering device as claimed in claim 5, wherein the power mechanism adopts an oil cylinder, wherein the outer end of a piston rod of the oil cylinder is hinged with the driving shaft through a pin shaft, and the rear end of a cylinder body of the oil cylinder is hinged with the bracket through a pin shaft.
7. The ladle covering and uncovering device as claimed in claim 1, wherein said hinge plate is of a hook-shaped and chamfered hinge structure.
8. The steel ladle covering and uncovering device as claimed in claim 4, wherein the plurality of lifting hooks are connected to form an integral structure through the swing-proof connecting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288779.4U CN218015756U (en) | 2022-08-30 | 2022-08-30 | Steel ladle covering and uncovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288779.4U CN218015756U (en) | 2022-08-30 | 2022-08-30 | Steel ladle covering and uncovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218015756U true CN218015756U (en) | 2022-12-13 |
Family
ID=84352208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222288779.4U Active CN218015756U (en) | 2022-08-30 | 2022-08-30 | Steel ladle covering and uncovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218015756U (en) |
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2022
- 2022-08-30 CN CN202222288779.4U patent/CN218015756U/en active Active
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