WO2013029309A1 - Dispositif anti-basculement rotatif, électromagnétique et flexible - Google Patents

Dispositif anti-basculement rotatif, électromagnétique et flexible Download PDF

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Publication number
WO2013029309A1
WO2013029309A1 PCT/CN2011/082403 CN2011082403W WO2013029309A1 WO 2013029309 A1 WO2013029309 A1 WO 2013029309A1 CN 2011082403 W CN2011082403 W CN 2011082403W WO 2013029309 A1 WO2013029309 A1 WO 2013029309A1
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WO
WIPO (PCT)
Prior art keywords
spring
piston
electromagnet
rod
swing device
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PCT/CN2011/082403
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English (en)
Chinese (zh)
Inventor
程杰
王苏林
钱力
胡长庆
彭放林
刘超
贾艳艳
Original Assignee
中冶赛迪工程技术股份有限公司
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Publication of WO2013029309A1 publication Critical patent/WO2013029309A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17B—GAS-HOLDERS OF VARIABLE CAPACITY
    • F17B1/00—Gas-holders of variable capacity
    • F17B1/02—Details
    • F17B1/10—Guiding moving parts

Definitions

  • the invention relates to a piston balancing device which can be used for a rubber sealed gas cabinet, in particular to a rolling electromagnetic flexible anti-swing device for a rubber membrane sealing gas cabinet.
  • the sealing form of the gas cabinet is divided into two types: dry and wet.
  • the wet gas cabinet with water as the sealing medium has been eliminated.
  • the dry gas cabinet there is a gas cabinet sealed with a thin lubricating oil as a sealing medium.
  • the gas film is sealed by a sealing medium, and the gas cabinet is sealed with a dry lubricating oil as a sealing medium.
  • the gas cabinet which uses dry lubricating oil as the sealing medium for sealing is also called the cloning cabinet.
  • the gas cabinet has high bearing capacity and the piston runs fast, the leakage rate is large, and the dry lubricating oil is expensive and cannot be recycled. Get promoted.
  • the gas cabinet sealed by the thin lubricating oil as the sealing medium is widely used due to the good sealing performance.
  • the sealing method mainly adopts the metal sliding type mannequin sealing device and the rubber sealing. New cabinet sealing device.
  • the current operating speed of the piston of the lean lubricating oil sealed gas cabinet is generally below 2.5m/min, and the operating speed of the piston is difficult to increase.
  • the use of the thin lubricating oil sealed gas cabinet will be very Big restrictions.
  • the rubber membrane sealed gas cabinet has the following advantages: first, no water is needed during operation; secondly, the piston runs fast, making the gas cabinet The throughput is greater. Due to the above two advantages, the rubber membrane sealed gas cabinet has been widely used in converter steelmaking in iron and steel enterprises. Therefore, the rubber membrane sealed gas cabinet is also called the converter cabinet. It has been used in China for nearly 30 years, and the rubber membrane seals the gas.
  • the volume of the cabinet was 80,000 m 3 from the standard volume introduced at that time, and has now developed to have 20,000 m 3 , 30,000 m 3 , 50,000 m 3 , 80,000 m 3 , 100,000 m 3 , 120,000 m 3 and 15
  • a large family of different specifications such as 10,000 m 3 is used for converter steelmaking with a pressure of 3 kPa or less.
  • each rubber membrane sealed gas cabinet is equipped with a leveling device.
  • a standard 80,000 m 3 rubber membrane sealed gas cabinet is provided with 6 sets of leveling devices, and the weighting devices of each group of leveling devices are For about 4 tons, a standard 80,000 m 3 rubber membrane sealed gas cabinet is also equipped with 30 columns. Then, the vertical force distributed on each column is about 0.8 tons, but when the piston is tilted, the piston is tilted.
  • the steel rope of the leveling device is only unilaterally stressed, so that the vertical force distributed on the force column is increased to about 1.6 tons. Since the weight of the gas cabinet piston is balanced with the gas pressure, the vertical force is also Balanced, the real balancing force is the horizontal component of the steel rope tension, and this horizontal component is very small, about 12kg ⁇ 120kg, when the piston is abnormal, because this force is too small, often The piston of the rubber membrane sealed gas cabinet is stuck.
  • a gas cabinet with a one-stage rubber membrane sealing piston has appeared, which is subjected to a working pressure of 3 to 4 times that of a conventional rubber membrane sealed gas cabinet, and even higher, and the piston weight is also higher than that of the conventional rubber.
  • the membrane sealed gas cabinet weighs 3 to 4 times. If the leveling device of the gas box is sealed by a conventional rubber membrane to prevent the piston from tilting, it is easy to cause the piston to tilt and swing uncontrollable.
  • Cida Patent No. ZL200620148390.8 discloses a rubber membrane sealed piston gas cabinet comprising a column, a cabinet bottom plate, a piston bottom plate, a lower bracket, a piston bracket, an upper bracket, a rubber curtain, a side panel and a top plate, the side
  • the plate is cylindrical
  • the column is equidistantly fixed to the outer side of the side plate
  • the lower bracket is fixed to the inner lower part of the side plate
  • the upper bracket can slide up and down along the inner side of the side plate
  • the rubber plate is sealed between the bracket and the side plate
  • the piston bottom plate is fixed to the bottom of the piston bracket
  • the piston bracket can slide up and down along the inner side of the upper bracket
  • the top of the top plate is provided with a ventilation device
  • An automatic dispersing device is disposed outside the side plate, and further includes a piston leveling device, the piston leveling device includes a weight pulley, a piston pulley, a weight, and a wire rope
  • the piston leveling device of the rubber membrane sealing gas cabinet can restore the horizontal state after the piston is tilted and swinged to a certain extent, but the horizontal component of the steel wire which fails to solve the balance is small, and the piston is easily stuck.
  • the defect cannot be applied to the larger piston in the one-stage rubber membrane sealed gas cabinet; in addition, when the piston has a special state such as an emergency stop, the steel cord of the leveling device is also easily broken.
  • the technical problem to be solved by the invention is to propose a rolling electromagnetic flexible anti-swing device for a rubber membrane sealed gas cabinet, which can make the gas cabinet piston not easy to swing and even after swinging, by increasing the horizontal component of the balancing action. Quickly return to the equilibrium position.
  • the rolling electromagnetic flexible anti-swing device of the present invention comprises a wheel-shaped electromagnet, a connecting rod hingedly connected to both axial axes of the electromagnet, an adjusting rod for externally connecting other devices, and the like.
  • the flexible device comprises a spring adjusting bolt and a spring sleeved on the connecting rod, a fixing nut screwed to the adjusting rod, a screwing connection with the spring adjusting bolt, and an outer cylinder which is matched with the fixing nut and fitted on the fixing nut.
  • the connecting rod is provided with a spring stop
  • the spring is installed between the spring adjusting bolt and the spring stop
  • the end of the outer tube corresponding to the fixing nut is provided with an inwardly extending limit stop
  • the minimum diameter of the limit stop is smaller than the maximum diameter of the fixed nut;
  • the flexible device comprises: a spring adjusting bolt, the spring adjusting bolt is fixedly connected with the connecting rod; the outer cylinder, one end of the outer cylinder is screwed with the spring adjusting bolt, the other end is set on the adjusting rod, and the outer tube is The end portion of the corresponding side of the adjusting rod is provided with an inwardly extending limit stop; the spring is placed in the outer tube and is fitted on the adjusting rod, the adjusting rod is provided with a spring stop, and the spring is mounted Between the spring stop and the limit stop;
  • the connecting rod, the adjusting rod and the flexible device are all made of a non-magnetic material
  • a non-magnetic outer ring made of a wear-resistant material is disposed on the outer peripheral wall of the electromagnet;
  • the electromagnet and the pull rod are respectively disposed on the rotating shaft, and a non-magnetic inner collar made of a wear-resistant material is disposed between the electromagnet and the rotating shaft, and a gap fit between the non-magnetic inner collar and the rotating shaft is provided. ;
  • an electromagnetic control box electrically connected to the electromagnet is further included.
  • the electromagnet of the anti-pendulum device is adsorbed by the fixed magnetic force and the side plate of the gas cabinet, and is connected
  • a flexible device is disposed between the pull rod and the adjusting rod, so that a pulling force that can move up and down with the piston is formed, and the pulling force can be controlled by adjusting the current; when the piston moves, pulling the adjusting rod to generate a flexible force through the spring, and Under the action of the magnetic force, the electromagnet will be firmly sucked on the side panel of the gas cabinet, so that an approximate horizontal pulling force can be generated on the piston.
  • the approximate horizontal pulling force is smaller than the electromagnetic force between the electromagnet and the side plate,
  • the horizontal component generated by the conventional leveling system is much larger.
  • the horizontal pulling force for balancing can more easily return the piston to the equilibrium position to prevent the piston from getting stuck.
  • the rolling of the present invention The number of electromagnetic flexible anti-swing devices can be flexibly set because it produces suction on the side plates. According to the traditional vertical pulling force, the maximum force is less than 120kg, and the slightly thick side plate can withstand. Thus, when the force point is increased, the piston is less likely to swing;
  • An anti-swing device can be arranged between the bottom plate of the gas cabinet piston and the side plate, and cooperate with the anti-swing device on the piston bracket to control the piston from the upper and lower ends of the piston to prevent the piston from swinging and enhance the balance of the piston.
  • FIG. 1 is a schematic structural view of a first embodiment of a rolling type electromagnetic flexible anti-swing device according to the present invention
  • Figure 2 is a schematic structural view of a flexible device of the first embodiment
  • FIG. 3 is a schematic structural view of a second embodiment of a rolling electromagnetic flexible anti-swing device according to the present invention.
  • Figure 4 is a schematic structural view of a flexible device of a second embodiment
  • Figure 5 is a schematic cross-sectional view of a rubber membrane sealed gas cabinet using the rolling electromagnetic flexible anti-swing device of the present invention
  • Figure 6 is a partial enlarged view of A in Figure 5;
  • Figure 7 is a plan view of Figure 6;
  • Figure 8 is a schematic view of the force of the piston during the ascending piston
  • Figure 9 is a schematic view of the force applied to the piston during the piston lowering process.
  • FIG. 1 is a schematic structural view of a first embodiment of a rolling electromagnetic flexible anti-swing device according to the present invention.
  • the rolling electromagnetic flexible anti-swing device of the present embodiment includes an electromagnet 2 having a wheel shape and an electromagnet 2
  • the connecting rod 4, which is hinged together on both sides, the adjusting rod 9 for externally connecting other devices, and the flexible device for connecting the connecting rod 4 and the adjusting rod 9, the electromagnet 2 is rotatable about the axis.
  • the flexible device comprises a spring adjusting bolt 5 and a spring 7 which are fitted on the connecting rod 4, a fixing nut 8 which is screwed to the adjusting rod 9, a screw connection with the spring adjusting bolt 5, and a fixing nut 8 respectively.
  • the outer cylinder 6 is fitted with the clearance nut and is sleeved on the fixing nut 8.
  • the connecting rod 4 is provided with a spring stopper, the spring stopper is disposed at the end of the connecting rod 4, and the spring 7 is installed between the spring adjusting bolt 5 and the spring stopper.
  • the end of the outer cylinder 6 corresponding to the fixing nut 8 is provided with an inwardly extending limit stop. The minimum diameter of the limiting stopper is smaller than the maximum diameter of the fixing nut 8.
  • the rolling electromagnetic flexible anti-swing device can be adsorbed together with other magnetic tracks made of magnetic material, the magnitude of the magnetic force can be controlled by the magnitude of the current, and the electromagnet can roll on the surface of the magnetic track.
  • the outer peripheral wall of the electromagnet 2 is provided with a non-magnetic outer ring 1 made of a wear-resistant material, and the non-magnetic outer ring 1 not only has anti-wear performance, but also has the function of isolating a magnetic field, so that the electromagnet 2 and the magnetic track are They are not directly adsorbed together but maintain the magnetic force between them, preventing the electromagnet 2 from being worn and making the electromagnet 2 roll more smoothly on the magnetic track.
  • the end portion of the connecting rod 4 and the electromagnet 2 is U-shaped, and the electromagnet 2 is placed in the U-shaped slot and is hinged with the connecting rod 4 through the rotating shaft 16, and the electromagnet 2 and the connecting rod 4 are connected.
  • the U-shaped end portion is sleeved on the rotating shaft 16.
  • the rotating shaft 16 of the embodiment adopts a pin.
  • the end of the pin is provided with a pin 15 to prevent the pin from falling off.
  • the electromagnet 2 and the rotating shaft 16 are made of wear-resistant materials.
  • the non-magnetic inner collar 3, the non-magnetic inner collar 3 and the rotating shaft 16 are gap-fitted, and the non-magnetic inner collar 3 can prevent the wear between the electromagnet and the rotating shaft 16, and the non-magnetic inner collar
  • the clearance between the shaft 3 and the rotating shaft 16 makes the electromagnet 2 more convenient to rotate.
  • the connecting rod 4, the adjusting rod 9 and the flexible device are made of a non-magnetic material to prevent interference with the magnetic force of the electromagnet 2.
  • the electromagnet 2 is electrically connected to the electromagnetic control box 13 via the magnetic control line 14, and the anti-swing device can be controlled.
  • FIG. 3 and FIG. 4 is a schematic structural view of a second embodiment of the rolling electromagnetic flexible anti-swing device according to the present invention.
  • the flexible device of the rolling electromagnetic flexible anti-swing device of the present embodiment includes: a spring adjusting bolt 5, The spring adjusting bolt 5 is fixedly connected with the connecting rod 4; the outer tube 6 is screwed at one end to the spring adjusting bolt 5, the other end is set on the adjusting rod 9 , and the outer tube 6 is on the side corresponding to the adjusting rod 9
  • the end portion is provided with an inwardly extending limit stop; a spring 7 is disposed in the outer tube 6 and is fitted on the adjustment rod 9 , the adjustment rod is provided with a spring stop, and the spring stop is disposed on the adjustment rod At the end, the spring 7 is mounted between the spring stop and the limit stop.
  • the other structures of the rolling type electromagnetic flexible anti-swing device of the present embodiment are the same as those of the first embodiment, and will not be described one by one.
  • FIG. 5 is a schematic cross-sectional view showing an embodiment of a rubber membrane sealing gas cabinet using the rolling electromagnetic flexible anti-swing device of the present invention.
  • the rubber membrane sealing gas cabinet includes side plates 17 and is evenly distributed on the outer peripheral wall of the side plate 17. a column 18, a piston mounted inside the side plate 17 and movable up and down along the side plate 17, a sealing rubber film 19 for sealing between the piston and the side plate 17, and a gas pipe for gas inlet and outlet, the piston including the piston at the upper portion
  • the bracket 22 and the piston bottom plate 25 fixed to the bottom of the piston bracket 22 are evenly disposed between the piston bracket and the side plate with an anti-swing device.
  • the anti-swing device includes an electromagnet 2 in the shape of a wheel, a connecting rod 4 hingedly coupled to the axial center of both sides of the electromagnet 2, and a piston fixing column fixedly disposed at the top end of the piston holder 22.
  • the electromagnet 2 is adsorbed on the side plate 17 by magnetic force, and the electromagnet 2 can roll up and down along the side plate 17 to fix the column 11
  • a fixing ring 10 is arranged on the upper end, and the end of the adjusting rod 9 is arranged as a hook, and the hook of the adjusting rod 9 hooks the fixing ring 10 to realize the joint between the adjusting rod 9 and the piston bracket 22.
  • the electromagnet 2 of the anti-pendulum device is attracted to the side plate 17 by magnetic force, and is connected to the tie rod 4 and the adjustment rod 9
  • the flexible device is disposed so as to form a pulling force on the piston bracket 22 that can move up and down with the piston.
  • the magnitude of the pulling force can be controlled by adjusting the current; when the piston moves, the adjusting lever is pulled to generate a flexible force through the flexible device. Under the action of the magnetic force, the electromagnet 2 will be firmly sucked on the side panel 17 of the gas cabinet, so that an approximately horizontal pulling force can be generated on the piston.
  • This approximate horizontal pulling force is smaller than between the electromagnet 2 and the side plate 17.
  • the electromagnetic force but much larger than the horizontal component generated by the traditional leveling system.
  • the horizontal pulling force of the balancing function can more easily return the piston to the equilibrium position to prevent the piston from getting stuck;
  • the number of anti-swing devices can be flexibly set because it produces suction to the side plates, and this suction force is converted into horizontal force according to the traditional vertical pulling force. Maximum less than 120kg, thicker side plate 17 can bear, so, stress points, and much less prone to swing the piston.
  • the anti-swing device can be appropriately elongated and shortened within a certain range to prevent a rigid impact force on the anti-swing device due to the swing of the piston. If the rigid impact force is large enough, electromagnetic The iron 2 is pulled away from the side panel 17, so that the anti-swing device cannot lose its effect on the horizontal pulling force that exerts a balance on the piston.
  • FIG. 8 it is a schematic diagram of the force of the piston during the ascending of the piston.
  • the electromagnet 2 and the side plate have a magnetic force Fc.
  • the spring is compressed to generate an elastic force Ft, and the piston generates a tensile force Fz facing the side plate 17, and is evenly distributed. All the anti-swing devices around the piston can generate a pulling force Fz to the piston to prevent the piston from swinging.
  • the spring force 7 of the anti-swing device of one side increases the elastic force Ft, and the pulling force is increased.
  • Fz is increased, the spring force Ft generated by the other side spring 7 is small, and the pulling force Fz is small, so that the piston can be restored to the equilibrium position.
  • the force diagram of the piston during the piston lowering process is the same as that of the piston ascending process, and will not be repeated one by one.
  • an anti-swing device may be evenly disposed between the piston bottom plate 25 and the side plate 17.
  • the piston bottom plate is provided with a fixing ring, and the anti-swing device is hinged to the fixing ring by the hook of the adjusting rod.
  • the electromagnet 2 is disposed in one-to-one correspondence with the column 18, and the path of the electromagnet 2 moving up and down along the side plate 17 coincides with the mounting position between the column 18 and the side plate 17, and the structure can be used to enhance the anti-swing device.
  • the side plate 17 does not deform under the impact of the impact of the anti-swing device, due to the force exerted between the side plates 17.
  • the nozzle of the gas pipe is located at the center of the gas cabinet to achieve uniform gas in and out, and the balance performance of the piston is better.
  • the rolling electromagnetic flexible anti-swing device of the invention can be used not only in the rubber membrane sealing gas cabinet, but also has other uses, such as being used as a ground anchor, etc., and will not be repeated one by one.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

L'invention concerne un dispositif anti-basculement rotatif, électromagnétique et flexible comprenant un électroaimant en forme d'anneau (2), une tige de raccordement (4) articulée avec le centre de l'axe de part et d'autre de l'électroaimant (2), une tige d'ajustement (9) pour le raccordement externe à un autre équipement et un dispositif flexible pour le raccordement entre la tige de connexion (4) et la tige d'ajustement (9). L'électroaimant (2) peut tourner autour du centre de l'axe. Du fait de l'installation d'un dispositif anti-basculement rotatif, électromagnétique et flexible en lieu et place d'un dispositif classique de stabilisation sur un gazomètre scellé par un diaphragme en caoutchouc pour augmenter la composante de force horizontale assurant la fonction d'équilibrage, le piston du gazomètre ne bascule pas facilement, et même en cas de basculement, peut revenir ensuite en position horizontale.
PCT/CN2011/082403 2011-08-29 2011-11-18 Dispositif anti-basculement rotatif, électromagnétique et flexible WO2013029309A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110250571.7 2011-08-29
CN201110250571.7A CN102305345B (zh) 2011-08-29 2011-08-29 滚动式电磁柔性防摆装置

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WO2013029309A1 true WO2013029309A1 (fr) 2013-03-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853520A (zh) * 2020-07-27 2020-10-30 中冶赛迪技术研究中心有限公司 滚动锚链防摆装置及其橡胶膜密封煤气柜
CN117185111A (zh) * 2023-10-23 2023-12-08 大连科润重工起重机有限公司 一种起重机机构用精准定位系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191779B (zh) * 2017-06-23 2023-04-18 重庆科技学院 一种煤气柜气动弹性模型活塞-柜体接触模拟机构
CN112648333A (zh) * 2020-12-08 2021-04-13 中冶赛迪重庆信息技术有限公司 悬浮式抗扰动结构、设备及制造方法

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JP2006017152A (ja) * 2004-06-30 2006-01-19 Jfe Steel Kk ガスホルダーのピストン傾斜制御装置および方法
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JP2008102008A (ja) * 2006-10-19 2008-05-01 Jfe Steel Kk 乾式ガスホルダーのシール材摩耗量検出方法およびシール材摩耗量検出装置
JP2010216534A (ja) * 2009-03-16 2010-09-30 Nippon Steel Corp ガスホルダのピストン傾斜抑制装置及び傾斜抑制方法
CN201731260U (zh) * 2010-07-09 2011-02-02 北京首钢国际工程技术有限公司 干式煤气柜调节活塞运动偏差的弹簧导轮装置

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JP2006017152A (ja) * 2004-06-30 2006-01-19 Jfe Steel Kk ガスホルダーのピストン傾斜制御装置および方法
JP2008102008A (ja) * 2006-10-19 2008-05-01 Jfe Steel Kk 乾式ガスホルダーのシール材摩耗量検出方法およびシール材摩耗量検出装置
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JP2010216534A (ja) * 2009-03-16 2010-09-30 Nippon Steel Corp ガスホルダのピストン傾斜抑制装置及び傾斜抑制方法
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN111853520A (zh) * 2020-07-27 2020-10-30 中冶赛迪技术研究中心有限公司 滚动锚链防摆装置及其橡胶膜密封煤气柜
CN117185111A (zh) * 2023-10-23 2023-12-08 大连科润重工起重机有限公司 一种起重机机构用精准定位系统
CN117185111B (zh) * 2023-10-23 2024-03-29 大连科润重工起重机有限公司 一种起重机机构用精准定位系统

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CN102305345A (zh) 2012-01-04

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