Slewing bearing

About: Slewing bearing is a research topic. Over the lifetime, 1498 publications have been published within this topic receiving 5309 citations.

Excavator and slewing bearing of excavator

Abstract: The utility model provides an excavator and a slewing bearing of the excavator, wherein the slewing bearing of the excavator comprises an external rolling ring, an internal rolling ring and a plurality of rolling bodies between the internal rolling ring and the external rolling ring; an internal wall of the external rolling ring is provided with a first groove encircled into a circle; a cylindrical surface of the internal rolling ring is provided with a second groove encircled into a circle; the first groove and the second groove are matched to form a rolling path for holding the rolling bodies; the rolling bodies are rollers, between which spacing bodies for spacing the rollers are arranged. The excavator provided by the utility model comprises the slewing bearing provided by the utility model. The slewing bearing of the excavator can bear larger loads of all directions such as radial load, axial load and torque load, has long service life and more impact resistance and can be applied to heavy-load work in large equipment. Because the slewing bearing provided by the utility model is installed, the excavator is more applicable to work under heavy loads.

Straight -tooth terminal surface tooth slewing bearing

Abstract: The utility model discloses a straight -tooth terminal surface tooth slewing bearing, it includes outer lane, inner circle, jam, taper pin, sealing strip, roller, spacing block and glib talker, outer lane and inner circle between be style structure in outer, the outer lane is located the outside of inner circle promptly, outer lane and inner circle middle part constitute the raceway, seal up by the sealing strip junction between outer lane and the inner circle, roller and spacing block are provided in the raceway, division have a hydraulic fluid port that feeds through mutually with the raceway at the outer lane middle part, glib fixed being provided on the hydraulic fluid port, outer lane ultrasion vibration sysytem be straight -tooth terminal surface tooth. The utility model discloses simple structure, convenient to use have realized relevant with the large -tonnage transmission from feel relieved centering installation and great moment of slewing bearing, avoid stress concentration to cause bolt failure phenomena's emergence, simultaneously, change for a short time to original slewing bearing structure, realize having certain popularization and application value easily in the industry.

Slewing rings for large size solar panels. a case study

Abstract: This paper presents a computer optimization algorithm for internal geometry of slewing rings manufactured at SIRCA S.A,. already used in large size solar tracker power plant. The model takes into account the sun position on the sky and the wind speed effect. The internal geometry of the slewing ring considers the geographic position of the solar panel by using the specific country solar and wind maps, respectively. The proposed slewing rings for single and double axes solar trackers ensures the optimization of converting the solar energy in electricity by a correct orientation of the PV panel.

Crane based on flat special-shaped revolving platform

Abstract: The invention provides a crane based on a flat special-shaped revolving platform. The crane comprises a base, a slewing bearing, the revolving platform, a revolving drive device, a crane jib and a tripod, wherein the revolving platform adopts the structural design that rib plated groups are parallel on two sides and centered back and forth, so that dispersion of stress of the revolving platform isfacilitated, and the structural stability of the revolving platform can be improved significantly; a shaft hole is formed in the revolving platform, a shaft sleeve is arranged in the shaft hole, therevolving drive device is arranged in the shaft hole, maintenance and replacement are facilitated, the tripod adopts two connection modes including welding and flange connection, assembly and dismounting are facilitated, and the crane is convenient to transport. The crane is stable in structure, balanced in stress and simple and convenient to assembly and maintain.

Sliding bearing type slewing driving device

Abstract: The invention discloses a sliding bearing type slewing driving device, which comprises a base, a worm, a bearing, a cover plate, and a sliding bearing mechanism. The sliding bearing mechanism comprises a sliding bearing and a gear top plate. The base comprises a shaft housing and a race. An axis of the shaft housing and an axis of the race are perpendicular to each other in spatial positions. The worm is positioned in the shaft housing of the base by means of the bearing. The gear top plate is arranged by means of a sliding bearing in a space formed by the race of the base and the cover plate, and engaged with the worm. According to the sliding bearing type slewing driving device, an idea of using a sliding bearing structure to replace an existing slewing bearing mechanism is put forward; the sliding bearing type slewing driving device is simple in structure and convenient to assemble.