Plate-blank crystallizer hydraulic vibration device
A hydraulic vibration and crystallizer technology, applied in key equipment fields, can solve the problems of inability to adjust amplitude, frequency and waveform online, low vibration accuracy, and low bearing capacity of digital hydraulic cylinder method, achieving light weight and improving the quality of cast slabs , compact structure
Inactive Publication Date: 2009-01-07
CONTINUOUS CASTING TECH ENG OF CHINA
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Problems solved by technology
[0007] Although the mechanical method can realize non-sinusoidal vibration, it cannot adjust the amplitude, frequency and waveform online, and the vibration accuracy is relatively low; the digital hydraulic cylinder method has the disadvantage of low carrying capacity
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[0027] exist figure 1 Explanation of each label in: fixed frame 1, vibration frame 2, crystallizer water distribution device 3, vibration generating device 4, hydraulic servo cylinder 4.1, vibration guiding device 5, limit device 6, frame support 7, bolt 8, pin 9 , leaf spring 10, spacer plate 11, installation positioning device 12.
[0028] exist figure 2 Explanation of each label in: fixed position bolt 13, vibration mass buffer device 14, positioning wedge 34, fixed pressure plate 35, pressure plate bolt 36, cover plate 47.
[0029] exist image 3 Description of each label in: Adjusting gasket 15, lower circular plate 16, casing 17, coil spring 18, protective cover 19, water pipe 20, expansion compensator 21, connecting rod 22, protective cover 23, upper circular plate 24, adjustment Position bolt 25, eyebolt 26, pin shaft 27, clamping plate 28, sealing rubber ring 29, water receiving panel 30, key plate 31, key plate screw 32, connecting plate 33.
[0030] exist Fig...
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A hydraulic vibration device of a slab crystallizer comprises two identical hydraulic vibration units and a hydraulic servocontrol system; the two hydraulic vibration units are fixed on the two sides of the crystallizer; the vibration guide device of each hydraulic vibration unit is a plate spring-type guide device; plate springs are mounted on the two sides as well as the upper and the lower positions of a vibration frame; the hydraulic servo cylinder of a vibration generation device is arranged on a fixed frame; and the piston rod of the hydraulic servo cylinder is connected with the vibration frame through a connecting rod. The hydraulic vibration device is characterized in that one end of each plate spring is connected with the fixed frame; the other end of each plate spring of the piston rod of the hydraulic servo cylinder that passes the middle part is connected with the vibration frame; a pair of plate springs on the left and the right, and the connecting position of the vibration frame and the fixed frame are arranged in a staggered manner; a pair of plate spring on the upper side and the lower side, and the connecting position of the vibration frame and the fixed frame are arranged in a staggered manner. The hydraulic vibration device can realize a nonsinusoidal vibration curve of the crystallizer, and has the advantages of small volume, light weight, high strength, stable performance in service, enhanced overall rigidity, high kinematic accuracy, long service life, etc.; furthermore, the hydraulic vibration device can meet the requirement for the vibration frequency of the continuous casting technology.
Description
technical field [0001] The invention relates to the key equipment on the slab continuous casting machine production line of the steelmaking plant, which enables the crystallizer to implement regular reciprocating vibration according to the given amplitude, frequency and waveform. Background technique [0002] The purpose of crystallizer vibration is to facilitate "demoulding" and prevent the occurrence of breakout accidents caused by bonding between the billet and the copper wall of the mold during the solidification process. At present, the new slab continuous casting machines are all straight arcs, and the straight mold is conducive to the floating of molten steel inclusions, which is conducive to the omnidirectional symmetrical and uniform cooling of the casting slab in the mold, and can obtain good casting quality. [0003] There are many types of vibration devices for slab molds. Currently, the vibration devices used in slab continuous casting machines include mechanica...
Claims
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IPC IPC(8): B22D11/114
Inventor 李常青孙丽娟袁清鸿李富帅刘春武
Owner CONTINUOUS CASTING TECH ENG OF CHINA
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