CN211733653U - Special crane for paper roll installation - Google Patents

Abstract

The utility model relates to a special hoist of scroll installation, cart driving motor drive crane girder of cart is the back-and-forth movement on cart track, and dolly driving motor drive dolly is controlled on crane girder and is moved about, and the dolly that sets up from beginning to end passes through the dolly link to be connected, dolly link fixed connection barrel, the connection barrel connects slewing bearing, slewing bearing's outer lane and connection barrel fixed connection, slewing bearing's inner circle fixed connection slewing base, the last fixed slewing reducer that is equipped with of slewing bearing, the drive gear on slewing reducer's the output shaft meshes with slewing bearing's outer lane gear; and a cantilever beam is arranged below the rotary base. The utility model drives the rotary speed reducer to enable the transmission gear to be meshed with the outer ring gear of the rotary support, thereby completing the whole 360-degree rotation of the cantilever beam and the hoist trolley without the need of auxiliary manual rotation of operators; the slewing bearing has stable structure and effectively prevents the paper roll from tipping.

Description

Special crane for paper roll installation

Technical Field

The utility model relates to a hoisting machinery technical field, concretely relates to special hoist of scroll installation.

Background

Horizontal scroll when hoist and mount, aversion, stack, the drive of cart dolly through the hoist drives the scroll translation, and the hoist can only carry out the translation all around, controls, and the scroll can only be lifted off to the mounted position after needing operating personnel to assist the scroll horizontal rotation to suitable position to because the scroll is horizontal, the hoist turns on one's side easily at the translation in-process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide a special crane for paper roll installation, wherein the outer ring of a slewing bearing is connected with a trolley connecting frame through a connecting cylinder body, the inner ring of the slewing bearing is connected with a cantilever beam through a slewing base, a transmission gear is meshed with a slewing bearing outer ring gear by driving a slewing reducer, the whole 360-degree rotation of the cantilever beam and a hoist trolley is completed, and an operator is not required to perform auxiliary manual rotation; the slewing bearing has stable structure and effectively prevents the paper roll from tipping; the drive gear of calabash dolly and the rack toothing of cantilever beam below prevent that the dolly from moving and skidding, improve the stability of scroll operation.

The purpose of the utility model is realized like this:

a special crane for paper roll installation comprises a cart and two trolleys, wherein a cart driving motor of the cart drives a crane main beam to move back and forth on a cart track, a trolley driving motor drives the trolleys to move left and right on the crane main beam, the two trolleys are arranged at the front and back of the crane main beam, the trolleys arranged at the front and back are correspondingly arranged with the crane main beam and connected through a trolley connecting frame, the trolley connecting frame is fixedly connected with a connecting barrel body, the connecting barrel body is connected with a slewing bearing, the outer ring of the slewing bearing is fixedly connected with the connecting barrel body, the inner ring of the slewing bearing is fixedly connected with a slewing base, a slewing reducer is fixedly arranged on the slewing base, and a transmission gear on an output shaft of the slewing reducer is meshed with an;

the lower part of the rotary base is provided with a cantilever beam, the cantilever beam is provided with a hoist trolley, and the hoist trolley is driven by a hoist running mechanism.

Preferably, the hoist operating mechanism includes hoist operation motor and speed reducer, the output shaft tip of speed reducer is equipped with drive gear, it is equipped with the rack to correspond drive gear under the cantilever beam, drive gear and rack toothing.

Preferably, the center of cantilever beam is connected with the rotating base, the calabash dolly is equipped with two, and the symmetry sets up in the both sides of cantilever beam, the tip is equipped with electric limit switch about the calabash dolly, the cantilever beam corresponds electric limit switch and is equipped with limit stop.

Preferably, a stop block is arranged below the end part of the cantilever beam.

The utility model has the advantages that:

the utility model discloses the dolly link is connected through connecting the barrel to slewing bearing's outer lane, and slewing bearing's inner circle passes through the rotary base and connects the cantilever beam, makes drive gear and slewing bearing outer lane gear engagement through driving the slewing reducer, accomplishes cantilever beam and 360 rotations of calabash dolly wholly, does not need operating personnel to carry out supplementary manual rotation; the slewing bearing has stable structure and effectively prevents the paper roll from tipping; a driving gear of the hoist trolley is meshed with a rack below the cantilever beam, so that the trolley is prevented from slipping during running, and the running stability of the paper roll is improved; when the single hoist trolley is used, the single hoist trolley can also serve as a cantilever crane, so that the cantilever of the cantilever beam is effectively utilized, and the operation coverage area of the crane is enlarged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the cart of fig. 1.

Fig. 3 is a partially enlarged view of fig. 1.

Fig. 4 is a right side view of fig. 3.

Wherein: a trolley 1; a cart driving motor 2; a crane main beam 3; a cart track 4; a trolley driving motor 5; a trolley connecting frame 6; a connecting cylinder 7; a slewing bearing 8; an outer ring 8.1; an inner ring 8.2; a rotating base 9; a slewing reducer 10; a transmission gear 10.1; a cantilever beam 11; a rack 11.1; a limit stop 11.2; a stop block 11.3; a hoist travel mechanism 12; a hoist running motor 12.1; a speed reducer 12.2; a drive gear 12.3; a driven wheel 13; an electrical limit switch 14.

Detailed Description

Referring to fig. 1-4, the utility model relates to a special crane for paper roll installation, which comprises a cart and a trolley 1, wherein a cart driving motor 2 of the cart drives a crane girder 3 to move back and forth on a cart track 4, a trolley driving motor 5 drives the trolley 1 to move left and right on the crane girder 3, two main beams 3 of the crane are arranged in front and at the back, the trolleys 1 are arranged corresponding to the main beams 3 of the crane, the trolleys 1 arranged in front and at the back are connected through trolley connecting frames 6, the trolley connecting frame 6 is fixedly connected with a connecting cylinder 7, the connecting cylinder 7 is connected with a slewing bearing 8, an outer ring 8.1 of the slewing bearing 8 is fixedly connected with the connecting cylinder 7, an inner ring 8.2 of the slewing bearing 8 is fixedly connected with a slewing base 9, a rotary speed reducer 10 is fixedly arranged on the rotary base 9, and a transmission gear 10.1 on an output shaft of the rotary speed reducer 10 is meshed with an outer ring 8.1 gear of the rotary support 8.

The below of rotating base 9 is equipped with cantilever beam 11, be equipped with the calabash dolly on the cantilever beam 11, the calabash dolly is driven by calabash running gear 12, calabash running gear 12 includes calabash operation motor 12.1 and speed reducer 12.2, speed reducer 12.2's output shaft is fixed on the wallboard of dolly, speed reducer 12.2's output shaft tip is equipped with drive gear 12.3, correspond drive gear 12.3 and be equipped with rack 11.1 under the cantilever beam 11, drive gear 12.3 and rack 11.1 mesh.

The hoist trolley is provided with driven wheels 13, and the hoist trolley is in meshing transmission with racks 11.1 through driving gears 12.3, bears load through the driven wheels 13, and moves left and right along the cantilever beam 11.

The center and the rotating base 9 of cantilever beam 11 are connected, the calabash dolly is equipped with two, and the symmetry sets up in the both sides of cantilever beam 11, the tip is equipped with electric limit switch 14 about the calabash dolly, cantilever beam 11 corresponds electric limit switch 14 and is equipped with limit stop 11.2. When the hoist trolley runs to the end position, the rocker arm of the electrical limit switch 14 is in contact with the limit stop 11.2, the normally closed contact of the electrical limit switch is disconnected, the running control loop of the hoist trolley is cut off, and the hoist trolley stops running.

A stop block 11.3 is arranged below the end part of the cantilever beam 11, and when the electrical limit is in fault or failure, the hoist trolley is prevented from derailing.

In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims (4)

1. The utility model provides a special hoist of scroll installation, includes cart and dolly (1), and cart driving motor (2) drive crane girder (3) of cart are removed the back-and-forth movement on cart track (4), and control its characterized in that is controlled on crane girder (3) to dolly driving motor (5) drive dolly (1): the front and the back of the crane girder (3) are provided with two trolleys (1) corresponding to the crane girder (3), the trolleys (1) arranged in the front and the back are connected through a trolley connecting frame (6), the trolley connecting frame (6) is fixedly connected with a connecting cylinder body (7), the connecting cylinder body (7) is connected with a slewing bearing (8), an outer ring (8.1) of the slewing bearing (8) is fixedly connected with the connecting cylinder body (7), an inner ring (8.2) of the slewing bearing (8) is fixedly connected with a slewing base (9), a slewing reducer (10) is fixedly arranged on the slewing base (9), and a transmission gear (10.1) on an output shaft of the slewing reducer (10) is in gear engagement with the outer ring (8.1) of the slewing bearing (8);

the crane is characterized in that a cantilever beam (11) is arranged below the rotary base (9), a hoist trolley is arranged on the cantilever beam (11), and the hoist trolley is driven by a hoist running mechanism (12).

2. The special crane for paper roll installation according to claim 1, wherein: calabash operating device (12) are including calabash operation motor (12.1) and speed reducer (12.2), the output shaft tip of speed reducer (12.2) is equipped with drive gear (12.3), correspond drive gear (12.3) under cantilever beam (11) and be equipped with rack (11.1), drive gear (12.3) and rack (11.1) meshing.

3. The special crane for paper roll installation according to claim 1, wherein: the center and the rotating base (9) of cantilever beam (11) are connected, the calabash dolly is equipped with two, and the symmetry sets up the both sides at cantilever beam (11), tip is equipped with electric limit switch (14) about the calabash dolly, cantilever beam (11) correspond electric limit switch (14) and are equipped with limit stop (11.2).

4. The special crane for paper roll installation according to claim 1, wherein: and a stop block (11.3) is arranged below the end part of the cantilever beam (11).

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