CN110218834B - Rope and rod hybrid drive steel-making furnace swing mechanism - Google Patents
Rope and rod hybrid drive steel-making furnace swing mechanism Download PDFInfo
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- CN110218834B CN110218834B CN201910649121.1A CN201910649121A CN110218834B CN 110218834 B CN110218834 B CN 110218834B CN 201910649121 A CN201910649121 A CN 201910649121A CN 110218834 B CN110218834 B CN 110218834B
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- driving
- rope
- fixedly connected
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- movable table
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/50—Tilting mechanisms for converters
Abstract
The invention discloses a rope and rod hybrid drive steel-making furnace swing mechanism, which comprises a steel-making furnace, a movable platform, a machine base, two groups of same rope and rod hybrid drive devices and a transverse shaft, wherein the movable platform is arranged on the machine base; the rope and rod hybrid driving device comprises a driving drum, a driving rod, a pulling rope, a pulley, a counterweight and a limiting rope; the steel-making furnace is fixedly connected with the movable table, the driving rod is a hydraulic cylinder or an electric cylinder, the pulley is rotatably connected with the top end of the vertical plate of the base by a transverse shaft, the driving winding drum is parallel to the transverse shaft, and the support of the driving winding drum is fixedly connected with the base; two ends of the driving rod are respectively connected with a rotating pair at the steel tapping side of the movable table and a machine base ball pair; the middle part of the pulling rope is fixedly connected with the other side of the movable platform, the two ends of the pulling rope are wound around the same pulley and are respectively fixedly connected with the driving winding drum and the balance weight, and the two ends of the limiting rope are respectively fixedly connected with the base and the other side of the movable platform to limit the excessive rotation of the steelmaking furnace. The rotation of the two driving drums and the telescopic motion of the two driving rods are equivalent to the accurate motion of the 2SPS +2SPR type parallel mechanism, so that the multidirectional rocking of the steelmaking furnace can be realized, the steelmaking quality is improved, and the service life of the steelmaking furnace is prolonged.
Description
Technical Field
The invention relates to the technical field of metallurgical equipment, in particular to a rope and rod hybrid driving swing mechanism of a steel-making furnace.
Background
The combination of steel converter and oxygen lance blowing is one of the main equipments for steel making at home and abroad. At present, the existing steel-making converter at home and abroad adopts one-degree-of-freedom tilting mechanical equipment to drive the converter to tilt through a backing ring. The tilting mechanical equipment is driven by a plurality of alternating current variable frequency motors, the motors are in a multipoint meshing full suspension mode, and torque balance is carried out through a torsion bar device. Because the tilting mechanical equipment only has one degree of freedom for tilting, the reversing tilting impact moment is very large, the mixing performance of molten iron and alloy materials in the converter is poor, the capabilities of removing (hydrogen, phosphorus, carbon, sulfur and gas) and impurities are poor, the molten iron is scoured by the tilting molten steel with the single degree of freedom for a long time, and the service life of the converter lining is short.
Disclosure of Invention
The invention aims to provide a rope and rod hybrid driving swing mechanism of a steelmaking furnace, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a rope and rod hybrid driving swing mechanism of a steelmaking furnace, which comprises a movable table, a machine base, a driving rod and a driving device, wherein the movable table is arranged on the machine base; a central through hole is formed in the movable table, a lower inclined plate is further integrally arranged on one side of the table surface of the movable table, and the steel-making furnace is fixedly arranged in the central through hole; one end of the driving rod is connected with a revolute pair on the other side of the table top of the movable table, and the other end of the driving rod is fixed on the base; the machine base comprises a rectangular horizontal plate and two vertical plates which are parallel to each other and are vertical to the horizontal plate, the top parts of the two vertical plates are fixedly connected with a cross shaft, the driving device comprises a driving winding drum, a pulley and a traction rope, the pulley is installed on the cross shaft, the middle part of the traction rope is fixedly connected with the bottom of the lower inclined plate, and two ends of the traction rope are wound around the same pulley and are respectively fixedly connected with the driving winding drum.
Furthermore, a left through hole tangent to the circumference of the central through hole is formed in the movable table, and a steel tapping hole of the steel-making furnace is located on one side of the left through hole.
Furthermore, the driving rods are two driving rods, one ends of the two driving rods are respectively connected with the revolute pairs at the two ends of the left side of the table board of the movable table, and the other ends of the driving rods are connected with the hinged support ball pairs correspondingly arranged on the base.
Furthermore, the mechanism comprises two groups of driving devices with the same structure, the pulleys are arranged on the cross shaft close to the two vertical plates, the two pulleys are symmetrically arranged, each pulley corresponds to one group of the traction rope and the driving winding drum, and the two traction ropes are fixedly connected with the two ends of the right side of the lower inclined plate respectively.
Furthermore, the driving device further comprises a balance weight, the middle of the pulling rope is fixedly connected with the bottom of the lower inclined plate of the movable table, and two ends of the pulling rope are respectively fixedly connected with the driving winding drum and the balance weight after bypassing the same pulley.
Further, the driving winding drum is a hydraulic motor driving winding drum or an electric motor driving winding drum, and the driving rod is a hydraulic cylinder or an electric cylinder.
Furthermore, the mechanism also comprises a limiting rope, one end of the limiting rope is fixedly connected with the bottom of the lower inclined plate, and the other end of the limiting rope is fixedly connected to the machine base.
Compared with the prior art, the invention has the following technical effects:
1. the rotation of the two driving drums and the telescopic motion of the two driving rods are equivalent to the accurate motion of a four-freedom-degree 2SPS +2SPR type parallel mechanism, the working space of the swing converter is large, the swing flexibility is good, molten steel and alloy materials in the converter are mixed uniformly in a multi-direction swing rotation mode, the tilting reversing impact moment can be reduced, high-quality steel can be refined, and the service life of a furnace lining is prolonged.
2. The two driving drums can ensure large-angle rotation during steel tapping of the steel-making furnace and can ensure that the filling and feeding process is not influenced during the safe operation of the converter.
3. The hydraulic cylinder drives, compact structure, the bearing capacity is big. The driving drum steel rope has simple structure.
4. The drive torque of the drive drum is reduced by using the counterweight device, and the limiting rope limits the excessive rotation of the steelmaking furnace.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a side view of a normal position of a rope and rod hybrid drive steelmaking furnace rocking mechanism;
FIG. 2 is a side view of the tapping position of the rocking mechanism of the rope-and-rod hybrid driven steel-making furnace;
FIG. 3 is a normal position elevation view of a rope and rod hybrid drive steelmaking furnace rocking mechanism;
wherein, the steel-making furnace 1, the machine base 2, the movable table 3, the transverse shaft 4, the driving reel 5-1, the driving rod 5-2, the pulling rope 5-3, the pulley 5-4, the counterweight 5-5 and the limiting rope 5-6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a rope and rod hybrid driving swing mechanism of a steelmaking furnace, which aims to solve the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a rope-rod hybrid driving steel-making furnace rocking mechanism, which comprises a movable table 3, a machine base 2, a driving rod 5-2 and a driving device, wherein the movable table is arranged on the machine base; a central through hole is formed in the movable table 3, a lower inclined plate is further integrally arranged on one side of the table surface of the movable table 3, and the steel-making furnace 1 is fixedly arranged in the central through hole; one end of the driving rod 5-2 is connected with a revolute pair on the other side of the table top of the movable table 3, and the other end is fixed on the base 2; the machine base 2 comprises a rectangular horizontal plate and two vertical plates which are parallel to each other and vertical to the horizontal plate, the tops of the two vertical plates are fixedly connected with a cross shaft 4, the driving device comprises a driving winding drum 5-1, a pulley 5-4 and a traction rope 5-3, the pulley 5-4 is installed on the cross shaft 4, the middle part of the traction rope 5-3 is fixedly connected with the bottom of the lower inclined plate, and the two ends of the traction rope are wound around the pulley 5-4 and are respectively fixedly connected with the driving winding drum 5-1.
The movable platform 3, the base 2, the driving rod 5-2 and the driving device jointly form a base body of the swing mechanism of the steel-making furnace, the steel-making furnace 2 is fixedly arranged in a central through hole of the movable platform 3, the driving rod 5-2 on the left side can swing up and down on the left side of the movable platform 3 through up-down stretching, the winding and unwinding length of the guy rope 5-3 is controlled through the driving winding drum 5-1 in the driving device, so that the up-down swinging on the right side of the movable platform 3 can be realized, the driving rod 5-2 and the driving device are matched with each other, when the driving rod 5-2 is stretched, the driving winding drum 5-1 can rotate anticlockwise, the length of the guy rope 5-3 can be stretched, and; when the driving rod 5-2 gradually retracts, the driving drum 5-1 rotates clockwise to drive the pulling rope 5-3 to also gradually retract, at the moment, the height of the left side of the movable table 3 is gradually reduced, the height of the right side of the movable table is gradually increased, and the driving rod 5-2 and the driving drum 5-1 work in a reciprocating mode to realize the swing of the steel making furnace driven by the rope and the rod in a mixed mode.
Example one
Further, as shown in fig. 1-3, the invention provides a rope and rod hybrid driving swing mechanism of a steelmaking furnace, which comprises a machine base 2, a movable table 3, a transverse shaft 4 and two groups of same rope and rod hybrid driving devices; the movable table 3 is provided with a central through hole, a left through hole and a right lower inclined plate which are tangent to the circumference of the large through hole, the steelmaking furnace 1 is fixedly connected with the central through hole of the movable table 3, and a steel outlet of the steelmaking furnace 1 is positioned on one side of the left through hole of the movable table 3; the machine base 2 is a bracket consisting of a rectangular horizontal plate and two vertical plates which are parallel to each other, two symmetrical hinged supports are arranged on the horizontal plate, through holes which are parallel to each other are arranged at the upper and lower ends of the two vertical plates, and two ends of the cross shaft 4 are fixedly connected with the through holes at the upper ends of the two vertical plates of the machine base 2;
the rope and rod hybrid driving device comprises a driving drum 5-1, a driving rod 5-2, a pulling rope 5-3, a pulley 5-4, a counterweight 5-5 and a limiting rope 5-6; the driving winding drum 5-1 is a conventional hydraulic motor driving winding drum, and a support of the driving winding drum 5-1 is coaxially and fixedly connected with a through hole at the lower end of a vertical plate of the base 2; the driving rod 5-2 is a conventional hydraulic cylinder, and two ends of the driving rod 5-2 are respectively connected with a rotating pair of a horizontal through hole of the movable table 3 and a hinged-seat ball pair of the machine base 2; the pulley 5-4 is rotationally connected with the cross shaft 4, the middle part of the traction rope 5-3 is fixedly connected with the bottom of the lower inclined plate of the movable table 3, two ends of the traction rope 5-3 bypass the pulley 5-4 and are respectively fixedly connected with the driving winding drum 5-1 and the counterweight 5-5, two ends of the limiting rope 5-6 are respectively fixedly connected with the bottom of the inclined plate of the base 2 and the movable table 3, and the excessive rotation of the steelmaking furnace 1 is limited.
The rotation of the two driving drums 5-1 and the telescopic motion of the two driving rods 5-2 are equivalent to the motion of a 2SPS +2SPR type parallel mechanism, the working space of the swing converter is large, the swing flexibility is good, molten steel and alloy materials in the converter are mixed uniformly in a multi-direction swing rotation mode, the tilting reversing impact moment can be reduced, high-quality steel can be refined, and the service life of a furnace lining is prolonged.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (3)
1. The utility model provides a rope pole hybrid drive steelmaking stove rocking mechanism which characterized in that: comprises a movable table, a machine base, a driving rod and a driving device; a central through hole is formed in the movable table, a lower inclined plate is further integrally arranged on one side of the table surface of the movable table, and the steel-making furnace is fixedly arranged in the central through hole; one end of the driving rod is connected with a revolute pair on the other side of the table top of the movable table, and the other end of the driving rod is connected with the base ball pair; the machine base comprises a rectangular horizontal plate and two vertical plates which are parallel to each other and vertical to the horizontal plate, the tops of the two vertical plates are fixedly connected with a cross shaft, the driving device comprises a driving drum, a pulley and a traction rope, the pulley is connected with a cross shaft revolute pair, the middle part of the traction rope is fixedly connected with the bottom of the lower inclined plate, and two ends of the traction rope pass by the same pulley and are respectively fixedly connected with the driving drum and a balance weight;
the mechanism comprises two groups of driving devices with the same structure, the pulleys are arranged on the cross shaft and close to the two vertical plates, the two pulleys are symmetrically arranged, each pulley corresponds to one group of traction rope, a driving drum and a balance weight, and the middle parts of the two traction ropes are fixedly connected with the two ends of the right side of the lower inclined plate respectively; the driving device further comprises a balance weight, the middle part of the pulling rope is fixedly connected with the bottom of the lower inclined plate of the movable table, and two ends of the pulling rope are fixedly connected with the driving winding drum and the balance weight respectively after bypassing the same pulley; the driving winding drum is a hydraulic motor driving winding drum or an electric motor driving winding drum, and the driving rod is a hydraulic cylinder or an electric cylinder; the mechanism further comprises a limiting rope, one end of the limiting rope is fixedly connected with the bottom of the lower inclined plate, and the other end of the limiting rope is fixedly connected to the machine base.
2. The rope and rod hybrid drive steelmaking furnace rocking mechanism according to claim 1, wherein: the movable table is further provided with a left through hole tangent to the circumference of the central through hole, and a steel tapping hole of the steel-making furnace is positioned on one side of the left through hole.
3. The rope and rod hybrid drive steelmaking furnace rocking mechanism according to claim 1, wherein: the driving rods are two driving rods, one ends of the two driving rods are respectively connected with the revolute pairs at the two ends of the left side of the table board of the movable table, and the other ends of the driving rods are connected with the hinged-seat ball pairs correspondingly arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649121.1A CN110218834B (en) | 2019-07-18 | 2019-07-18 | Rope and rod hybrid drive steel-making furnace swing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910649121.1A CN110218834B (en) | 2019-07-18 | 2019-07-18 | Rope and rod hybrid drive steel-making furnace swing mechanism |
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| Publication Number | Publication Date |
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| CN110218834A CN110218834A (en) | 2019-09-10 |
| CN110218834B true CN110218834B (en) | 2020-04-21 |
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| CN201910649121.1A Active CN110218834B (en) | 2019-07-18 | 2019-07-18 | Rope and rod hybrid drive steel-making furnace swing mechanism |
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| CN112961957B (en) * | 2021-01-28 | 2022-08-19 | 河北纵横集团丰南钢铁有限公司 | Auxiliary rotating device of steelmaking converter and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4395023A (en) * | 1981-09-22 | 1983-07-26 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Shroud for steel making electric-arc furnace |
| CN201229116Y (en) * | 2008-05-16 | 2009-04-29 | 昆明理工大学 | Separating fixed axis rotation electric furnace drive device |
| CN104017935B (en) * | 2014-05-30 | 2016-01-20 | 燕山大学 | Three degree of freedom steel-making rocking-turn stove tilting mechanism in parallel |
| CN104369182B (en) * | 2014-11-06 | 2016-04-06 | 燕山大学 | A kind of 4SPR+2R type four-freedom parallel mechanism |
| CN106112979B (en) * | 2016-07-25 | 2018-06-08 | 燕山大学 | One kind contains two orthogonal plane branch four-freedom parallel mechanisms |
| CN106755722B (en) * | 2016-11-30 | 2018-07-27 | 燕山大学 | Make steel the multi-faceted tilting equipment in parallel of rocking-turn stove |
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