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Hydraulic ball type subsection soft start and overload protection device and its control system

An overload protection, ball-type technology, applied in the direction of grain processing, etc., can solve the problems of insensitive overload response and complex structure, and achieve the effects of sensitive overload response, reduced transmission failure, and simple structure

Active Publication Date: 2016-03-16
HUAIHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the first device can realize the overload protection of the crusher, it can only realize two-stage starting
The second device is not sensitive to overload and has a complex structure

Method used

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  • Hydraulic ball type subsection soft start and overload protection device and its control system
  • Hydraulic ball type subsection soft start and overload protection device and its control system
  • Hydraulic ball type subsection soft start and overload protection device and its control system

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Embodiment Construction

[0027] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] Such as figure 2 and image 3 As shown, a hydraulic ball type segmented soft start and overload protection device of the present invention includes a jaw crusher frame 20, an eccentric shaft 21 mounted on the frame 20, a flywheel 22 and a pulley mounted on the eccentric shaft 21 16. On the eccentric shaft 21, there is a pulley 16 through the first bearing bush 19, and a ball bearing disc driven ball disc 9 through the second bearing bush 24, and the active ball bearing disc 14 is connected to the pulley 16; the active ball bearing disc 14 and the driven ball plate 9 are provided with a separation spring 15, and the end faces of the active ball plate 14 and the driven ball plate 9 are all provided with 8 square socket holes, and the socket holes are respectively loaded with active springs. The force-transmitting steel ball 13 and the ...

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Abstract

The invention discloses a hydraulic ball type sectional soft start and overload protection device. The hydraulic ball type sectional soft start and overload protection device comprises a jaw crusher frame, an eccentric shaft mounted on the frame, a flywheel and a belt wheel, wherein the belt wheel is idly mounted on the eccentric shaft through a first bearing bush; a driven ball bearing disc is idly mounted on the eccentric shaft through a second bearing bush; the belt wheel is connected with a driving ball bearing disc; a separation spring is arranged between the driving ball bearing disc and the driven ball bearing disc; eight square ball holes are respectively formed in the end surfaces of the driving ball bearing disc and the driven ball bearing disc; driving force conveying steel balls and driven force conveying steel balls are respectively loaded into the ball holes; the ball holes are respectively sealed with driving ball collecting rings and driven ball collecting rings; the peripheral surface of the driven ball bearing disc is connected with a transmission sleeve and an annular oil cylinder through splines; and annular pistons capable of butting against one side end surface of the driven ball bearing disc are mounted in the transmission sleeve and the annular oil cylinder. The hydraulic ball type sectional soft start and overload protection device has the advantages of reliable operation, sensitive response to overload, quick clutch, convenience for discharging complete objects and low cost.

Description

technical field [0001] The invention relates to a mechanical protection device, in particular to a hydraulic ball-type segmented soft start and overload protection device and a control system thereof applied to a jaw crusher. Background technique [0002] Jaw crusher is a kind of engineering machinery widely used in mineral processing, building materials, silicate and chemical industries. Such as figure 1 As shown, the crushing of materials is carried out between the movable jaw plate and the fixed jaw plate. The movable jaw plate swings periodically to the fixed jaw plate around the suspension mandrel. When the movable jaw is close to the fixed jaw, the ore located between the two jaws is crushed. When the movable jaw leaves the fixed jaw plate, the crushed ore will be discharged through the ore discharge port under the action of gravity. At present, there are only two types of jaw crushers that are most widely used: the jaw crusher with a crank double rocker mechanism ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C23/04B02C25/00B02C1/02
Inventor 石延平候金柱陈邵鹏
Owner HUAIHAI INST OF TECH
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