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Double-rack flat gate valve for cement industry

A flat gate valve, cement industry technology, applied in sliding valves, valve details, valve devices and other directions, can solve the problems of poor piston rod stability, high manufacturing costs, long strokes, etc., to achieve smooth movement, compact structure, and less wear.

Inactive Publication Date: 2011-03-16
YANGZHOU GAOBIAN MACHINE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The working environment temperature of the slab gate valve used in the cement industry is below 300°C, and the caliber is large (usually above 1600mm). Oil cylinder propulsion is not suitable for large gate valves. Due to the long stroke and poor stability of the piston rod, it is not allowed to work outdoors with the piston rod exposed for a long time, and the manufacturing cost is high. It is also not suitable for large gate valves. At present, domestic There is no suitable product of this type

Method used

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  • Double-rack flat gate valve for cement industry
  • Double-rack flat gate valve for cement industry
  • Double-rack flat gate valve for cement industry

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0013] Such as figure 1 and figure 2 Shown: a double rack flat gate valve for cement industry, including valve body 1, valve plate 2, guide wheel 3, transmission shaft 5, gear 6, rack 7, sprocket 8, industrial chain 9 and electric reducer 10 , the electric reducer 10 is fixed on the valve plate 2, the guide wheel 2 is arranged under the valve plate 2, two rows of racks 7 are installed on the valve body 1, and the electric reducer 10 and the drive shaft 5 are respectively A sprocket 8 is installed, and the two sprockets 8 are connected by an industrial chain 9. Two gears 6 that can move along the tooth bar 7 are installed on the transmission shaft 5 . The transmission shaft 5 is supported by a rolling bearing 4, the two rows of racks 7 are fixed on the valve body 1 parallel and symmetrical to the center line of the valve body 1, and the valve plate...

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Abstract

The invention discloses a double-rack flat gate valve for the cement industry. The double-rack flat gate valve comprises a valve body, a valve plate, a guide wheel, a transmission shaft, gears, racks, chain wheels, an industrial chain and an electric speed reducer. The electric speed reducer is fixed on the valve plate; the guide wheel is arranged below the valve plate; the two rows of racks are arranged on the valve body; one chain wheel is mounted on the electric speed reducer and the transmission shaft respectively; the two chain wheels are connected through the industrial chain; and the two gears capable of moving along the racks are mounted on the transmission shaft. The invention has the advantages that the movement of the valve plate is stable and flexible, the abrasion between the valve plate and the valve body is less and the structure is compact and reasonable.

Description

technical field [0001] The invention relates to a flat gate valve, in particular to a double rack flat gate valve for cement industry. Background technique [0002] The working environment temperature of the slab gate valve used in the cement industry is below 300°C, and the caliber is large (usually above 1600mm). Oil cylinder propulsion is not suitable for large gate valves. Due to the long stroke and poor stability of the piston rod, it is not allowed to work outdoors with the piston rod exposed for a long time, and the manufacturing cost is high. It is also not suitable for large gate valves. At present, domestic There is no suitable product of this type. Contents of the invention [0003] The object of the present invention is to solve the deficiencies of the prior art and provide a double-rack plate gate valve for cement industry with stable and reliable transmission, simple structure, low wear and low manufacturing cost. [0004] The technical solution of the pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K3/02F16K31/54F16K31/04
Inventor 吴有还韩粉梅
Owner YANGZHOU GAOBIAN MACHINE
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