Fixed centre structure of cage winch

A fixed top and cage twisting technology, which is applied in the direction of mechanical equipment, bearing components, shafts and bearings, etc., can solve the problems of ball and ball groove wear, grease is easy to squeeze out, and grease has no seal, etc., to achieve easy lubrication and force bearing Reasonable and easy to assemble

Inactive Publication Date: 2018-12-18
PINGHU DIGONG MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantages of the above-mentioned prior art are that a group of balls are used as the kinematic pair between the tension disc and the pressing plate and the thimble sleeve, which requires high machining accuracy on the arc-shaped surface matching the tension disc, the pressing plate, the thimble sleeve and the balls, and A standard surface hardening hardness is required, otherwise there will be severe wear of the balls and ball grooves due to long production runs
In addition, the grease in the ball groove is not sealed, and the grease is easy to squeeze out, resulting in poor lubrication

Method used

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  • Fixed centre structure of cage winch

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Embodiment Construction

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

[0020] like figure 1 As shown, the present invention provides a fixed thimble structure for a cage winch, including a thimble sleeve 1, a thimble shaft 2, a tension disc 3 and a pressure plate 4, the thimble shaft 2 is rotatably connected in the thimble sleeve 1, and the tension disc 3 is rotatably connected to the thimble sleeve 1, the tension disc 3 and the thimble sleeve 1 are rotationally connected through the first bearing 5, and after the thimble sleeve 1 and the tension disc 3 are installed and matched, a mounting groove for installing the first bearing 5 is formed, and the first bearing 5 and the mounting groove have an interference fit , the inner ring of the first bearing 5 is installed on the thimble sleeve 1 and is limited by a steel wire retaining ring 6 installed on the thimble sleeve 1, and the outer ring of the first b...

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Abstract

The invention provides a fixed centre structure of a cage winch. The fixed centre structure comprises a centre sleeve, a centre shaft, a tension disc and a pressing plate; the centre shaft is rotationally connected to the interior of the centre sleeve; the tension disc is rotationally connected to the outside of the centre sleeve and rotationally connected with the centre sleeve through a first bearing; after installation and cooperation of the centre sleeve and the tension disc, an installation groove for installing the first bearing is formed; the first bearing is in interference fit with the installation groove, an inner ring of the first bearing is installed on the centre sleeve and limited by a first steel cable baffle ring installed on the centre sleeve, and an outer ring of the first bearing is installed on the tension disc and pressed by the pressing plate; the installation groove is completely sealed through the pressing plate; and O-shaped sealing rings for sealing lubricating grease of the first bearing are arranged between the pressing plate and the centre sleeve as well as between the tension disc and the centre sleeve. According to the fixed centre structure of the cage winch, after long-term production operation, the tension disc can still flexibly rotate, and the jamming phenomenon is avoided.

Description

technical field [0001] The invention relates to the technical field of a cage winch, in particular to a structure for fixing a thimble of a cage winch. Background technique [0002] The disc loading and unloading structure in the winching cage of the cage winching machine is a movable thimble device and a fixed thimble device. The fixed thimble device includes a thimble sleeve, a tension plate and a pressure plate set outside the thimble sleeve. The thimble sleeve and the cradle thimble seat are closely matched and stopped by pins. A tension belt composed of a thin steel belt and a friction disc is inserted in the opening groove of the tension disc. When assembling the cable reel, the stop pin fixed on the tension reel is inserted into the small hole on the side of the reel to drive the reel to rotate with damping, and the friction of the tape can be adjusted by adjusting the wing nut with the tension tape fixed on the cradle The magnitude of the force to achieve the tensi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C33/66F16C33/78
CPCF16C33/6681F16C33/7806
Inventor 陆伟力
Owner PINGHU DIGONG MACHINERY MFG
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