CN213470284U

CN213470284U - Rotary assembly for maintenance door machine

Info

Publication number: CN213470284U
Application number: CN202022235257.9U
Authority: CN
Inventors: 朱永胜; 高利芳; 苗少坤; 李路; 王可亮
Original assignee: Shandong Luhai Heavy Industry Co ltd
Current assignee: Shandong Luhai Heavy Industry Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-18
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a rotation assembly for maintaining a door machine, including central rotation mechanism and leveling system, central rotation mechanism is driven by the gyration drive arrangement, and its characteristics are, central rotation mechanism by rotating base, big tooth driven location section of thick bamboo, friction bearing, adjustment pad, central rotation section of thick bamboo, location section of thick bamboo and lubricating arrangement constitute; the leveling system consists of a sliding counterweight, a leveling rod, a leveling pointer and a rotary seat; the positioning cylinder of the central slewing mechanism is connected with a slewing seat of the leveling system; the milling power head can be rotated for 360 degrees, the machining requirements of a gantry crane rotation multi-angle are met, the matching precision of the central rotary cylinder, the positioning cylinder and the central rotary gear ring is high, the machining precision of a gantry crane wear surface is effectively ensured, the shutdown maintenance time is effectively shortened, and the gantry crane equipment utilization rate is improved.

Description

Rotary assembly for maintenance door machine

Technical Field

The utility model relates to a pier door machine equipment manufacturing maintenance technical field, specifically say and be used for maintaining the gyration assembly of a machine.

Background

The gantry crane rotary platform is an important component of a gantry crane and plays an important role in safe operation and efficient operation of the gantry crane. At present, the gantry crane rotary platform has the following problems in use: 1. the use frequency and the bearing of the gantry crane in the sea direction are more than those in the sea-back direction, so that the slewing bearing and the slewing platform of the gantry crane are seriously abraded towards the sea side, and the heavy-load operation deviating from the gravity center has great safety risk; 2. the method for controlling the lifting weight or reducing the use frequency is adopted to reduce the safety risk, and meanwhile, the continuous operation can not be carried out, so that the operation efficiency is seriously influenced; 3. when one side of the gantry crane rotating platform is seriously abraded, the gantry crane can only be forced to stop or scrap, and the gantry crane has high equipment cost and low utilization rate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a rotary assembly for maintaining a gantry crane; the problems that a matching surface is abraded in a slope manner, continuous safe operation is difficult to carry out under a full-load working condition, the operation efficiency is low and the like caused by long-term single-side operation of an existing gantry crane rotary platform are mainly solved.

The utility model provides a technical scheme is: a rotary assembly for maintaining a door machine comprises a central rotary mechanism and a leveling system, wherein the central rotary mechanism is driven by a rotary driving device and is characterized in that the central rotary mechanism consists of a rotary base, a large-tooth driven positioning cylinder, a friction bearing, an adjusting pad, a central rotary cylinder, a positioning cylinder and a lubricating device; the rotary base is fixed with the large-tooth driven positioning cylinder, the large-tooth driven positioning cylinder is provided with an adjusting pad, a central rotary cylinder and a positioning cylinder, the central rotary cylinder is tightly installed by the large-tooth driven positioning cylinder and the positioning cylinder, the positioning cylinder is provided with a lubricating device, and a friction bearing is pressed below the central rotary cylinder; the leveling system consists of a sliding counterweight, a leveling rod, a leveling pointer and a rotary seat; a positioning cylinder of the central slewing mechanism is provided with a slewing seat of the leveling system, and the positioning cylinder is connected with the slewing seat; the rotary seat is provided with a leveling rod which is connected with the rotary seat; and two ends of the leveling rod are respectively provided with a sliding counterweight and a leveling pointer.

Furthermore, the central rotating mechanism is connected with the base through a central rotating gear ring.

The utility model has the advantages that: 1. the central swing mechanism, the milling rotation adjusting plate and the power arm of the lead screw adjusting system are driven by the swing driving device, so that the milling power head can rotate for 360 degrees, and the machining requirement of multi-angle swing of the gantry crane is met; 2. the central revolving cylinder, the positioning cylinder and the central revolving gear ring have high matching precision, and the machining precision of the wear surface of the gantry crane is effectively ensured; 3. effectively shorten the maintenance time of shutting down, improve door machine equipment utilization.

Drawings

Fig. 1 is a schematic structural diagram of a central revolving mechanism of the present invention;

fig. 2 is the structure schematic diagram of the leveling system of the present invention.

In the figure, a rotary base 1, a large-tooth driven positioning cylinder 2, a friction bearing 3, an adjusting pad 4, a central rotary cylinder 5, a positioning cylinder 6, a lubricating device 7, a rotary base 8, a leveling rod 9, a sliding counterweight 10 and a leveling pointer 11 are arranged.

Detailed Description

For a better understanding and practice, the following detailed description of the embodiments is given in conjunction with the accompanying drawings; the examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, a swing assembly for a maintenance door machine comprises a central swing mechanism and a leveling system, wherein the central swing mechanism is driven by a swing driving device; the central slewing mechanism consists of a slewing base 1, a large-tooth driven positioning cylinder 2, a friction bearing 3, an adjusting pad 4, a central slewing cylinder 5, a positioning cylinder 6 and a lubricating device 7; the rotary base 1 and the large-tooth driven positioning cylinder 2 are fastened together through bolts, an adjusting pad 4, a central rotary cylinder 5 and a positioning cylinder 6 are fastened and installed at corresponding threaded hole positions reserved at different positions on the large-tooth driven positioning cylinder 2 through bolts, the central rotary cylinder 5 is clamped by the large-tooth driven positioning cylinder 2 and the positioning cylinder 6, a lubricating device 7 is installed on the positioning cylinder 6, and the friction bearing 3 is pressed below the central rotary cylinder 5; the leveling system consists of a sliding counterweight 10, a leveling rod 9, a leveling pointer 11 and a rotary seat 8; connecting a positioning cylinder 6 of a rotary central mechanism with a rotary seat 8 of a leveling system, connecting a leveling rod 9 with the rotary seat 8, and respectively installing a sliding balance weight 10 and a leveling pointer 11 at two ends of the leveling rod 9; the central revolving mechanism is connected with the base through the central revolving gear ring, so that the central revolving drum 5 is precisely matched with the positioning drum 6 and the central revolving gear ring, and the processing precision of the equipment is ensured.

The utility model discloses a gyration assembly for maintaining a quick-witted, theory of operation: the driving device drives the balance arm, the central slewing mechanism, the power arm and the milling power device to realize 360-degree full-circle rotation of the power head, and the milling power head rotates per se to realize plane milling of the wear surface of the revolving body of the gantry crane.

It should be understood that technical features not described in detail in the specification belong to the prior art. Although the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many more forms without departing from the spirit and scope of the present invention.

Claims

1. A rotary assembly for maintaining a door machine comprises a central rotary mechanism and a leveling system, wherein the central rotary mechanism is driven by a rotary driving device and is characterized in that the central rotary mechanism consists of a rotary base (1), a large-tooth driven positioning cylinder (2), a friction bearing (3), an adjusting pad (4), a central rotary cylinder (5), a positioning cylinder (6) and a lubricating device (7); the rotary base (1) is fixed with a large-tooth driven positioning cylinder (2), an adjusting pad (4), a central rotary cylinder (5) and a positioning cylinder (6) are arranged on the large-tooth driven positioning cylinder (2), the central rotary cylinder (5) is clamped and installed by the large-tooth driven positioning cylinder (2) and the positioning cylinder (6), a lubricating device (7) is arranged on the positioning cylinder (6), and a friction bearing (3) is pressed and installed below the central rotary cylinder (5); the leveling system consists of a sliding counterweight (10), a leveling rod (9), a leveling pointer (11) and a rotary seat (8); a rotary seat (8) of the leveling system is arranged on a positioning cylinder (6) of the central rotary mechanism, and the positioning cylinder (6) is connected with the rotary seat (8); a leveling rod (9) is arranged on the rotary seat (8) and is connected with the rotary seat; and two ends of the leveling rod (9) are respectively provided with a sliding counterweight (10) and a leveling pointer (11).

2. The swing assembly for a service door as claimed in claim 1, wherein the slewing gear is connected to the base by a slewing ring gear.