64results about How to "Accurate requirements for rotational speed" patented technology

This application discloses a cantilever crane with a running trolley and a collector slip ring, including an end beam and a main beam; an electric pick-up frame and hanging cables are arranged on the outside of one of the main beams; a track is arranged above the main beam, and a The running trolley; the end beam is equipped with an anti-tipping device; the outer side of the main beam is equipped with a side track and a safety hook, and the safety hook is connected to the running trolley with a rotating mechanism; the boom shaft in the rotating mechanism passes through the center of the bearing seat and the thrust Bearing connection; the thrust bearing is connected to the upper part of the bearing seat; the locknut A above the thrust bearing is threadedly connected with the boom shaft, and is loosened and fixed by the bolt passing through the diameter; the driving device is connected with the small fan gear, the small fan gear and the large fan The gear meshing connection, the large fan gear is connected to the boom shaft; the cantilever member and the collector slip ring are connected to the boom shaft; the electric hoist is connected to the cantilever beam; the cantilever beam is under the main beam and can rotate at any angle; the cantilever beam is connected There are two sets of car gears and their positions are adjustable.

This application discloses a cantilever crane with two suspension trolleys and an end girder anti-tipping, including a double girder bridge frame; the double girder bridge frame includes an end girder and a main girder; the end girder is connected by two balanced end girders and a connecting rod One end of the balanced end beam is connected to the driving device of the cart, and the other end is connected to the passive wheel group; two ends of the end beam are respectively connected to a set of anti-tipping device; there is a track under the main beam; Two suspension trolleys are connected between them; the suspension trolley is equipped with a rotating mechanism; the lower end of the boom shaft in the rotating mechanism is connected to the cantilever member, and the upper end is connected to the collector slip ring; the electric hoist is installed on the cantilever member and can move back and forth along the cantilever beam The cantilever beam is located under the main beam and can rotate at any angle; the trolley hanging cable device is installed on the double beam bridge frame, and the two hanging cables in the trolley cable hanging device are respectively connected to the electrical connections on the two suspended trolleys.

This application discloses a crane with a trolley running on reverse rollers and a horizontal wheel device, which includes a bridge frame composed of two end girders and two main girders; The running trolley is connected to the track above the main girder; a set of horizontal wheel devices are installed at both ends of the end girder; steel rails are set on the outside of the main girder; anti-roller devices are connected to both sides of the running trolley, and the anti-roller devices are hooked on the rails Running; the two active wheels on the running trolley are connected to the same driving axle to drive; the center of the running trolley is equipped with a rotating mechanism; the lower end of the boom shaft is connected to the cantilever component, and the upper end is connected to the collector slip ring; the cantilever component is connected to the electric hoist and can Move back and forth horizontally along the cantilever beam; the cantilever beam is under the main beam and can rotate at any angle on the horizontal plane.

The invention discloses a half-portal crane with a lifting trolley and a cantilever beam hanging balance weight. A half portal is composed of an end beam, two main beams and a support frame; walking boards are arranged on the outer side faces of the two main beams, and the outer portion of one walking board is connected with a supporting power frame; rails at the upper portions of the two main beams are connected with the lifting trolley and a running trolley; the lifting trolley is provided with a lifting-hook craning lifting device; the outer sides of the two main beams are each provided with a steel rail with the rail face formed downwards, and the steel rails are parallel to the rails; the two sides of the running trolley are connected with two reverse rolling wheel devices respectively, and the reverse rolling wheel devices are hooked and overlapped on the steel rails to run; a rotating mechanism is arranged on the running trolley; the lower end of a derrick shaft in the rotatingmechanism is connected with a cantilever member, and the upper end of the derrick shaft in the rotating mechanism is connected with a safety rule; the balance weight is hung at the end, close to a hanging base, of a cantilever beam in the cantilever member, the other end, close to a hanging base, of the cantilever beam in the cantilever member is connected with an electric hoist, the electric hoist can horizontally move along the cantilever beam, and the cantilever beam is located at the lower portions of the main beams, can extend out of a workshop to work, and can rotate on the horizontal plane.

This application discloses a crane with a running trolley and a balanced end beam that can rotate at any angle, including a double-girder bridge frame composed of two end beams and two main beams; one of the main beams is equipped with a power frame and hanging cables on the outside There is a track above the main beam, and the running trolley is connected to the track; the end beam is connected by two balanced end beams and a connecting rod in the middle; one end of the balanced end beam is connected to the driving device of the cart, and the other end is connected to the passive wheel set; Both ends of the beam are connected with a set of horizontal wheel devices; the outer sides of the two main beams are equipped with side rails; the gap below the side rails is connected with a safety hook, and the safety hook is connected to the running trolley; the running trolley is equipped with a rotating mechanism; The thrust bearing is connected to the upper part of the bearing seat; the lower end of the boom shaft in the rotating mechanism is connected to the cantilever member, and the upper end is connected to the collector slip ring; the electric hoist is installed on the cantilever member and can move back and forth along the cantilever beam; the cantilever beam is on the main beam bottom and can be rotated at any angle.

The application discloses a cantilever crane with a suspended end beam trolley and can be rotated at any angle, comprising two end beams and two main beams; both end beams are provided with cart running devices; There is a pick-up frame and a cable guide rail, and the cable guide rail is connected with a pulley and a hanging cable; rails are arranged under the two main beams, and the two rails are connected to the suspension end beam trolley; the suspension end beam trolley is connected to the conductive frame and drag the pulley to move; the suspension end beam trolley is provided with a rotating mechanism; the boom shaft in the rotating mechanism is a hollow shaft; the lower end of the boom shaft is connected with the cantilever member, and the upper end is connected with a collector slip ring; the cantilever on the cantilever member The beam is connected to the vehicle stop device and its position is adjustable; an electric hoist is installed on the cantilever beam; the cantilever beam is located under the two main beams and can extend out of the workshop for operation, and can rotate at any angle on the horizontal plane.

This application discloses a double-girder crane with a suspended end beam trolley and a balanced end beam anti-tilt, including a double-girder bridge; the end beam in the bridge frame is composed of a balanced end beam and a connecting rod; one end of the balanced end beam is connected to a large The other end is connected to the passive wheel group; the two ends of the end beam are connected to the anti-tipping device; the track below the main beam is connected to the suspended end beam trolley; the suspended end beam trolley is equipped with a rotating mechanism with fan gear transmission; the boom The lower end of the shaft is connected to the cantilever member, and the upper end is connected to the safety ruler; the electric hoist is installed on the cantilever member and can move back and forth along the cantilever beam; the cantilever beam is located under the main girder and can rotate; the trolley hanging cable device is installed on the double girder bridge, and the trolley hanging cable device The hanging cable on the top is connected to the electrical connection on the suspended end beam trolley.