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Tensioning device suitable for slag salvaging machine

A technology of tensioning device and slag removal machine, which is applied in the direction of conveyors, transportation and packaging, lighting and heating equipment, etc., which can solve problems affecting the normal operation of equipment, excessive load, loose chains, etc., and reduce derailment and chain jamming risks, reduce economic losses, and prolong service life

Pending Publication Date: 2022-01-14
国家电投集团江西电力工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the increase of service time, the hydraulic system is prone to problems such as low oil pressure, system failure and excessive load, resulting in insufficient support force of the hydraulic cylinder, lower tension wheel train, weakened tension on the chain, and loose chain. The phenomenon of chain storage and chain jam occurs, which affects the normal operation of the equipment

Method used

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  • Tensioning device suitable for slag salvaging machine

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0020] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to this embodiment as required after reading this specification, but as long as they are within the rights of the present invention All claims are protected by patent law.

[0021] This embodiment relates to a tensioning device suitable for a slag removal machine, such as figure 1 , including: tension frame 1, screw rod 2, hydraulic cylinder 3, slider 4, guide rail 5, positioning nut 6, spring 7, pressure plate 8 and positioning ring 9.

[0022] Wherein, the top of the tension frame 1 is provided with through holes along the longitudinal direction. The screw rod 2 moves through the through hole. The hydraulic cylinder 3 is installed in the tension frame 1 and is perpendicular t...

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Abstract

The utility model discloses a tensioning device suitable for a slag salvaging machine, and relates to the technical field of slag salvaging equipment. The tensioning device comprises a tensioning frame, wherein a through hole is formed in the top of the tensioning frame; a screw rod movably penetrating through the through hole; a hydraulic cylinder mounted in the tensioning frame; a sliding block with one end connected with a hydraulic rod of the hydraulic cylinder and the other end connected with the screw rod; a positioning nut arranged on the screw rod and located outside the tensioning frame; a spring and a pressure plate sequentially arranged on the screw rod in a sleeving manner from the top of the tensioning frame to one side of the positioning nut; and a positioning ring fixedly arranged on the top of the pressure plate and / or the tensioning frame and sleeving the spring. By the adoption of the technical scheme, a tensioning wheel can be kept in a tensioning state when hydraulic pressure fails, continuous operation of the slag salvaging equipment is guaranteed, and the risk that a scraper chain derails and is clamped is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of slag removal equipment, in particular to a tensioning device suitable for a slag removal machine. Background technique [0002] The slag extractor is an important auxiliary equipment in a thermal power plant, and its stable operation directly affects the safety of the unit. The protection optimization of the slag extractor can improve the reliability of the slag extractor. [0003] The slag extractor is mainly composed of a horizontal section tank body, an inclined lift section tank body, a driving device, a tensioning device, a guide wheel system, a scraper chain assembly, a traveling device and an electric control system. Among them, the tensioning device is generally a hydraulic tensioning device, which generally uses an accumulator as the power output source of the hydraulic system. After setting a constant pressure value for the hydraulic system in advance, the hydraulic cylinder supports the tensio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J1/06B65G23/44
CPCF23J1/06B65G23/44
Inventor 徐伟刘川吴寒江孙健刘序英吴靖刘家明
Owner 国家电投集团江西电力工程有限公司
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