CN201980858U

CN201980858U - Leveling-machine supporting-roller hoisting tool

Info

Publication number: CN201980858U
Application number: CN2011200145657U
Authority: CN
Inventors: 张亚林; 王超
Original assignee: Baoshan Iron and Steel Co Ltd
Current assignee: Baoshan Iron and Steel Co Ltd
Priority date: 2011-01-18
Filing date: 2011-01-18
Publication date: 2011-09-21
Anticipated expiration: 2021-01-18

Abstract

The utility model discloses a leveling-machine supporting-roller hoisting tool. The tool comprises a framework body and four hoisting hooks, wherein the framework body is provided with a hoisting ear and four hoisting arms, the four hoisting hooks are respectively arranged on the four hoisting arms, each hoisting hook is connected with each hoisting arm through a pin shaft, each hoisting hook can rotate around the pin shaft, a lower stop block for limiting each hoisting hook is arranged below each hoisting hook, and the lower stop block is fixedly connected with each hoisting arm. The leveling-machine supporting-roller hoisting tool disclosed by the utility model has a simple structure and low manufacturing expenses, the potential safety hazard in roller-changing working is effectively eliminated, and the personnel safety of the roller-changing working is ensured.

Description

A kind of planisher backing roll lifting device

Technical field

The utility model relates to steel plant's cold rolled continuous annealing unit hanging device, particularly a kind of planisher backing roll lifting device that is used for the replacing of planisher backing roll.

Background technology

The planisher equipment of steel plant's cold rolled continuous annealing unit is provided with up and down backing roll, intermediate calender rolls and six rollers of upper working rolls and lower working rolls up and down.Planisher is provided with changing rig, can realize the quick replacing of working roll, intermediate calender rolls and backing roll.After the old roller of the backing roll of planisher shifts out frame by roll change buggy, need lifting to transport, and then the backing roll that more renews.

Fig. 1 is the scheme drawing of planisher backing roll, as shown in the figure, bearing seat 101 meeting handlings together when changing at the two ends of planisher backing roll 100, usually the mode of lifting is, manually load onto hanger in the both sides of last planisher backing roll 100 both sides bearing seats 101, manually hang steel rope again on hanger, hang away by driving again.New roller by the driving handling behind the roll change position, behind artificial receipts steel rope, again by the hanger of the both sides of manually unloading backing roll 100 both sides bearing seats 101.In actual roller replacing operation process, because of the upper support roller aloft, overhead surpass 3 meters, do not have job platform on every side again, manually load and unload hanger and hang and receive steel rope and have very big potential safety hazard, belong to the dangerous operation project.

For fear of artificial high-altitude dangerous operation.The cold rolled continuous annealing unit machine configuration set that has the backing roll lifting device, this backing roll lifting device is provided with four each and every one suspension hooks, act on the side of backing roll 100 both sides bearing seats 101 respectively, correspondingly, two sides at bearing seat 101 are provided with lifting hole(eyelet), as depicted in figs. 1 and 2, Fig. 2 is the lateral plan of Fig. 1, lifting hole(eyelet) 102 is opened in two sides of two bearing seats 101, totally four, respectively corresponding four suspension hooks are driven opening of four suspension hooks of synchro control by chain-wheel mechanism and are closed by an electro-motor.During operation, integral body hangs in the driving, when four suspension hooks during to supporting roller bearing seat lifting hole(eyelet) 102 positions, four suspension hook synchronizing closes of motor driven, suspension hook extend in the lifting hole(eyelet) 102 of supporting roller bearing seat, thereby realizes the handling of backing roll, avoid manual work, also guaranteed the safety of roll change operation.But this lifting device complex structure is bulky, and the suspender equipment self-weight is big, the manufacturing expense height.

The utility model content

For addressing the above problem, the utility model provides a kind of planisher backing roll lifting device, promptly saves cost, handled easily, guarantees job safety again.

For achieving the above object, planisher backing roll lifting device of the present utility model, comprise frame body and four suspension hooks, described frame body has a hanger and four arms, described four suspension hooks are separately positioned on described four arms, and described suspension hook is connected with described arm by bearing pin, and described suspension hook can rotate around described bearing pin, described suspension hook below is provided with carries out spacing following stopper to described suspension hook, and described stopper is down captiveed joint with described arm.

The top of described suspension hook is provided with stopper, and the described stopper that goes up is captiveed joint with described arm.

Planisher backing roll lifting device of the present utility model is the Purely mechanical framed structure, and four suspension hooks import bearing seat from the backing roll top simultaneously, and extend into automatically in the lifting hole(eyelet) of supporting roller bearing seat.By planisher backing roll lifting device of the present utility model, the artificial dangerous operations such as hanger and steel rope of hanging have effectively been eliminated the potential safety hazard in the roll change operation when having avoided the backing roll roll change, have guaranteed the personal security of roll change operation.

Planisher backing roll lifting device of the present utility model, simple in structure, equipment self-weight is little, and manufacturing expense is low, and good economy performance can be applied to the roll change lifting operation of backing rolls such as cold rolling mill milling train, planisher.

Description of drawings

Fig. 1 is the scheme drawing of planisher backing roll;

Fig. 2 is the lateral plan of Fig. 1;

Fig. 3 is the scheme drawing of planisher backing roll lifting device of the present utility model;

Fig. 4 is that the A-A of Fig. 3 is to cutaway view Amplified image;

Fig. 5 is that the B-B of Fig. 3 is to cutaway view Amplified image;

Fig. 6 is the birds-eye view of Fig. 3;

The scheme drawing of Fig. 7 for using planisher backing roll lifting device of the present utility model that the planisher backing roll is lifted by crane.

The specific embodiment

Fig. 3 is the scheme drawing of planisher backing roll lifting device of the present utility model, Fig. 4 be the A-A of Fig. 3 to cutaway view Amplified image, Fig. 5 be the B-B of Fig. 3 to cutaway view Amplified image, Fig. 6 is the birds-eye view of Fig. 3.Shown in Fig. 3～6, planisher backing roll lifting device of the present utility model comprises frame body 10 and four suspension hooks 20, described frame body 10 has a hanger 12 and four arms 11, described four suspension hooks 20 are separately positioned on described four arms 11, described suspension hook 20 is connected with described arm 11 by bearing pin 21, described suspension hook 20 can rotate around described bearing pin 21, described suspension hook 20 belows are provided with carries out spacing following stopper 13 to described suspension hook 20, and described stopper 13 is down captiveed joint with described arm 11.

Hanger 12 is positioned at the center of frame body 10 tops, the suspension hook lifting that is used to drive a vehicle.Suspension hook 20 can freely rotate around bearing pin 21, and the following stopper 13 of described suspension hook 20 belows is spacing with described suspension hook 20, and the upper surface of suspension hook 20 is horizontal.Bearing pin 21 is positioned at the tail position of described suspension hook 20, forwards the position of the level that is in above it, the just control position of suspension hook 20 to make things convenient for suspension hook 20 to from the dotted line position shown in Fig. 3 under the effect of deadweight.

The top of suspension hook 20 also is provided with stopper 14, and the described stopper 14 that goes up is captiveed joint with described arm 11.Described following stopper 13, last stopper 14 preferably adopt welding with the mode of captiveing joint of described arm 11.Described effect of going up stopper 14 is slewing areas of restriction suspension hook 20, and when slided downwards supporting roller bearing seat both sides, suspension hook 20 played the stop effect when bearing pin 21 turns to dotted line position shown in Figure 3 at suspension hook 20.

Lifting device of the present utility model is the center with hanger 12, and four suspension hooks 20 are symmetrical structure, keeps when the zero load balance not tilt to guarantee lifting device.

Referring to Fig. 5, an end of described bearing pin 21 is slotted and is positioned by axle head baffle plate 22, and axle head baffle plate 22 is fixing by being bolted on the arm 11.

Referring to Fig. 4 and Fig. 5, the both sides of described suspension hook 20 are provided with packing ring 23, avoid suspension hook generation end float misalignment.

The scheme drawing of Fig. 7 for using planisher backing roll lifting device of the present utility model that the planisher backing roll is lifted by crane.Planisher backing roll lifting device of the present utility model is when carrying out the backing roll lifting operation, at first hang on the travelling crane hook 200 by hanger 12, integral body moves on to the top of backing roll, make four suspension hooks 20 of planisher backing roll lifting device of the present utility model all aim at the position of the lifting hole(eyelet) 102 of bearing seat 101 both sides, backing roll both sides, make the whole slowly decline of planisher backing roll lifting device of the present utility model again, suspension hook 20 touches the liner plate of bearing seat 101 both sides and upwards turns to dotted line position among the figure around bearing pin 21, when suspension hook 20 drops to lifting hole(eyelet) 102 positions of bearing seat 101, suspension hook 20 rotates back into the original level position under the deadweight effect, suspension hook 20 just extend into lifting hole(eyelet) 102 positions of supporting roller bearing seat 101, and at this moment promoting planisher backing roll lifting device of the present utility model just can the handling backing roll.

Claims

1. planisher backing roll lifting device, it is characterized in that, comprise frame body (10) and four suspension hooks (20), described frame body (10) has a hanger (12) and four arms (11), described four suspension hooks (20) are separately positioned on described four arms (11), described suspension hook (20) is connected with described arm (11) by bearing pin (21), described suspension hook (20) can rotate around described bearing pin (21), described suspension hook (20) below is provided with carries out spacing following stopper (13) to described suspension hook (20), and described stopper (13) is down captiveed joint with described arm (11).

2. planisher backing roll lifting device as claimed in claim 1 is characterized in that the top of described suspension hook (20) is provided with stopper (14), and the described stopper (14) that goes up is captiveed joint with described arm (11).