CN220201200U - Anti-swing double-beam European crane - Google Patents

Abstract

The utility model relates to an anti-swing double-beam European crane, which comprises two end beams, wherein two main beams which are parallel to each other and are arranged at intervals are fixedly connected between the two end beams, the bottoms of the end beams are connected with two supporting legs which are vertically arranged and are parallel to each other, the bottoms of the supporting legs are connected with a large frame, a mounting plate is arranged between the two main beams, a winch is arranged on the mounting plate, the lower part of a steel wire rope on the winch passes through the mounting plate and is arranged on a pulley in a winding manner, the pulley is arranged on a moving plate through a pulley frame, a lifting hook is arranged at the central position of the bottom of the moving plate, and the lifting hook is connected with a moving device which enables the lifting hook to horizontally move; the movable plate moves up and down along the rack, plays a limiting role on the movable plate, does not swing when the movable plate moves up and down, and improves safety performance.

Description

Anti-swing double-beam European crane

Technical Field

The utility model relates to the field of cranes, in particular to an anti-swing double-beam European crane.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The crane types are more, such as gantry crane, bridge crane etc., wherein outdoor places such as gantry crane commonly used harbour, pier are in work engineering, easily receive weather influence, and when having great wind, the goods of lifting by crane sways the range great, easily appear the incident.

In order to reduce swing of a lifting appliance, an anti-swing device is usually installed on a portal crane, a bridge crane with an anti-swing damping unit is disclosed in China patent CN215479287U, a force unloading box is installed on the lifting appliance, left and right swing of a steel wire rope is avoided, however, the scheme adopts steel wire rope to lift, the force unloading box is fixedly installed on the lower side of a bridge, most of steel wire ropes are located below the force unloading box in the lifting process, and the steel wire ropes located below the force unloading box still swing.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-swing double-beam European crane.

The technical scheme of the utility model is realized as follows: the utility model provides an anti-swing formula double-beam European crane, including two end beams, fixedly connected with is parallel to each other and the girder that the interval set up between two end beams, the bottom of end beam is connected with two vertical settings and the landing leg that is parallel to each other, the bottom of landing leg is connected with big frame, install the mounting panel between two girders, install the hoist engine on the mounting panel, wire rope's on the hoist engine lower part passes the mounting panel setting and twines on the pulley, the pulley passes through the pulley yoke and installs on the movable plate, the lifting hook is installed to the central point of the bottom of movable plate, the lifting hook is connected with the mobile device who makes its horizontal migration, all fixedly connected with vertically set up backup pad between the bottom of end beam and the big frame, the rack is installed to the opposite side of two backup pads, the through-hole that makes the backup pad pass through has been seted up at the both ends of movable plate, the rack meshing has the gear, gear fixedly connected on the connecting axle level and rotation connection on the movable plate, the connecting axle is mutually perpendicular with the rack, the one end of connecting axle extends to the external connection who moves the movable plate has and makes its pivoted driving motor.

Two sides fixedly connected with vertical limiting plates that set up of the bottom of movable plate, be connected with the lead screw that the level set up between two limiting plates, make its pivoted rotating electrical machines is installed to the one end of lead screw, and the both ends of lead screw are connected with the limiting plate rotation respectively, and the level is provided with the mount pad on the lead screw, mount pad and lead screw threaded connection, and the bottom at the mount pad is installed to the lifting hook.

The width of the through hole is not smaller than the width of the supporting plate.

One side of the support plate, which deviates from the rack, is provided with a limiting block, and one side of the through hole, which deviates from the rack, is provided with a groove matched with the limiting block.

And a limiting rod is connected between the two limiting plates and positioned at the side part of the screw rod, the limiting rod is parallel to the screw rod, and the limiting rod penetrates through the fixing seat.

The technical scheme of the utility model has the following positive effects: the steel wire rope of the winch is arranged on a pulley, and the pulley is arranged on a moving plate through a pulley frame; the rack vertically penetrates through the moving plate, the rack is meshed with the gear, when the steel wire rope drives the moving plate to move up and down, the moving plate moves up and down along the rack, the limiting effect on the moving plate is achieved, the phenomenon of swinging does not occur when the moving plate moves up and down, and the safety performance is improved; the bottom of the moving plate is provided with a screw rod, the mounting seat is in threaded connection with the screw rod, and is arranged to move left and right along the screw rod to drive the lifting hook to move left and right so as to realize the left and right movement of goods; the moving plate is limited by the cooperation of the limiting block and the groove; when the hoist drives the goods to descend, the hoist can not stop immediately due to inertia due to the gravity of the goods, so that the accuracy of the height of the lifted goods is not high; and in this application when the hoist engine stops, simultaneously rotate motor stop work, gear and rack intermeshing, the gear no longer rotates, and the movable plate stops removing, has improved the degree of accuracy and the precision that the goods lifted by crane.

Drawings

Fig. 1 is a schematic front view of the structure of the present utility model.

Fig. 2 is a top view of the connection of the main beams to the end beams.

Fig. 3 is a top view of the connection of the moving plate with the rack and pinion.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Detailed Description

As shown in fig. 1-4, an anti-swing double-beam European crane comprises two end beams 1, two main beams 2 which are parallel to each other and are arranged at intervals are fixedly connected between the two end beams 1, the bottoms of the two end beams 1 are connected with supporting legs 3, the bottoms of the supporting legs 3 are connected with a large frame 4, a mounting plate 5 is mounted between the two main beams 2, a winch 6 is mounted on the mounting plate 5, the lower part of a steel wire rope 7 on the winch 6 passes through the mounting plate 5 and is wound on a pulley 8, the pulley 8 is mounted on a movable plate 9 through a pulley frame, a lifting hook 10 is mounted at the center position of the bottom of the movable plate 9, the lifting hook 10 is connected with a movable device which enables the movable plate to move horizontally, support plates 11 which are vertically arranged are fixedly connected between the bottom of the end beams 1 and the large frame 4, racks 12 are mounted on opposite sides of the two support plates 11, through holes 13 which enable the support plates 11 to pass are formed at two ends of the movable plate 9, the racks 12 are meshed with gears 14, the gears 14 are fixedly connected to a connecting shaft 15, the connecting shaft 15 is horizontally and rotatably connected to the movable plate 9, one end of the connecting shaft 15, which is connected with the rack 15 vertically and is connected to the outside of the movable plate 16 which is driven by the motor; specifically, be used for hanging the heavy object on the lifting hook 10, when needing to go up and down, hoist engine 6 starts, and wire rope 7 drives movable plate 9 and reciprocates, and when movable plate 9 is in the removal about, driving motor 16 starts and drives gear 14 and rotate, and gear 14 meshes with rack 12, makes movable plate 9 reciprocate along rack 12, and backup pad 11 vertically passes movable plate 9 setting, plays spacing effect to movable plate 9, can not appear swaing the phenomenon when movable plate 9 reciprocates, improves the security performance.

Two sides of the bottom of the moving plate 9 are fixedly connected with vertically arranged limiting plates 17, a horizontally arranged screw rod 18 is connected between the two limiting plates 17, a rotating motor 24 for rotating the screw rod 18 is arranged at one end of the screw rod 18, two ends of the screw rod 18 are respectively and rotatably connected with the limiting plates 17, an installation seat 19 is horizontally arranged on the screw rod 18, the installation seat 19 is in threaded connection with the screw rod 18, and a lifting hook 10 is arranged at the bottom of the installation seat 19; specifically, when the lifting hook 10 is required to move left and right to hoist a load, the rotating motor 24 is started, the screw 18 rotates, the mounting seat 19 in threaded connection with the screw 18 moves left and right along the screw 18, and the lifting hook 10 fixedly connected with the mounting seat 19 also moves.

The width of the through hole 13 is not smaller than the width of the support plate 11; specifically, the width of the through hole 13 is slightly larger than the width of the support plate 11 so as to pass through the through hole 13.

A limiting block 20 is arranged on one side, away from the rack 12, of the supporting plate 11, and a groove 21 matched with the limiting block 20 is arranged on one side, away from the rack 12, of the through hole 13; specifically, the cooperation of stopper 20 and recess 21 makes movable plate 9 carry out spacingly, makes movable plate 9 lift more steadily.

A limiting rod 22 is connected between the two limiting plates 17 and positioned at the side part of the screw rod 18, the limiting rod 22 is parallel to the screw rod 18, and the limiting rod 22 passes through the fixed seat 23; specifically, the limiting rod 22 plays a limiting role, and when the screw 18 is prevented from rotating, the fixing seat 23 rotates.

Claims (5)

1. The utility model provides an anti-swing formula double-beam European crane, includes two end beams, fixedly connected with is parallel to each other and the girder that the interval set up between two end beams, and the bottom of end beam is connected with two vertical setting and the landing leg parallel to each other, and the bottom of landing leg is connected with big frame, its characterized in that: install the mounting panel between two girders, install the hoist engine on the mounting panel, the lower part of wire rope on the hoist engine passes the mounting panel setting and twines on the pulley, the pulley passes through the pulley yoke and installs on the movable plate, the lifting hook is installed to the central point of the bottom of movable plate, the lifting hook is connected with the mobile device who makes its horizontal migration, all fixedly connected with vertically-arranged backup pad between the bottom of end beam and the big frame, the rack is installed to the opposite side of two backup pads, the through-hole that makes the backup pad pass through has been seted up at the both ends portion of movable plate, the rack meshing has the gear, gear fixed connection is on the connecting axle, the connecting axle level just rotates and connects on the movable plate, connecting axle and rack mutually perpendicular, the one end of connecting axle extends to the external connection of movable plate and makes its pivoted driving motor.

2. The anti-sway dual-beam euro crane of claim 1, wherein: two sides fixedly connected with vertical limiting plates that set up of the bottom of movable plate, be connected with the lead screw that the level set up between two limiting plates, make its pivoted rotating electrical machines is installed to the one end of lead screw, and the both ends of lead screw are connected with the limiting plate rotation respectively, and the level is provided with the mount pad on the lead screw, mount pad and lead screw threaded connection, and the bottom at the mount pad is installed to the lifting hook.

3. The anti-sway dual-beam euro crane of claim 1, wherein: the width of the through hole is not smaller than the width of the supporting plate.

4. The anti-sway dual-beam euro crane of claim 1, wherein: one side of the support plate, which deviates from the rack, is provided with a limiting block, and one side of the through hole, which deviates from the rack, is provided with a groove matched with the limiting block.

5. The anti-sway dual-beam euro crane of claim 2, wherein: and a limiting rod is connected between the two limiting plates and positioned at the side part of the screw rod, the limiting rod is parallel to the screw rod, and the limiting rod penetrates through the fixing seat.