CN2861184Y

CN2861184Y - Anodic generatrix switching machine

Info

Publication number: CN2861184Y
Application number: CN 200520093106
Authority: CN
Inventors: 马成贵; 程坦; 杨大勇
Original assignee: 马成贵
Priority date: 2005-11-02
Filing date: 2005-11-02
Publication date: 2007-01-24
Anticipated expiration: 2015-11-02

Abstract

The utility model relates to an anode bus commutator used for electrolytic bath in aluminum industry, which comprises a housing, a lifting support and a plurality of working machines. The working machines are arranged symmetrically at two sides of the housing; the gas storage cylinders connected by tubing are arranged respectively at the upper two sides of housing; the gas storage cylinders are located between any two adjacent working machines; the inlet and outlet of gas storage cylinder is provided with check valve. The utility model is characterized in that the safety performance is added during commutation, with simple structure; the working machine is driven by double-action film cylinder, so the clamping spring, the swing-retracting spring, all spring seats and seat plates for the fixture of the working machine are omitted so as to avoid the trouble caused by the failure of springs. The utility model also can simplify installation procedures and reduce the labor intensity of production and maintenance worker. Moreover, the utility model can save the cost of equipments and bring great conveniences for the production and maintenance of equipments.

Description

A kind of positive bar switching machine

Technical field

The utility model relates to a kind of positive bar switching machine, is used for aluminium industry electrolyzer, particularly relates to a kind of novel positive bar switching machine that is driven by the double-acting diaphragm type cylinder.

Background technology

On aluminium industry electrolyzer, positive bar is hung on the electrolyzer by anode hoister, and the compacted device of the guide rod of anode block is pressed to and makes it on the bus and the bus relative fixed.Scaling loss along with anode block, anode hoister will carry anode block and descend, when dropping to bottom dead centre, anode hoister just can't descend again, after need anode block being fixed with the positive bar machine of transferring this moment, unclamp the hold-down gear that is pressed on the anode rod, by anode hoister bus is lifted to upper dead point, again anode rod is pressed on the bus with hold-down gear, make it and the bus relative fixed, cancel the fixing of positive bar switching machine then, lift just can carry anode block to be continued to descend.In whole switching process, can not cut off the power supply to electrolyzer.Existing positive bar switching machine is that an oscillating cylinder is installed on putting on the shelf, and the middle part of anchor clamps is equipped with two anchor clamps cylinders, and above-mentioned cylinder is single-acting matrix cylinder.Be provided with two swing return springs in the both sides of oscillating cylinder, below two anchor clamps cylinders at anchor clamps middle part and pass between the seat board of lower link two fastening springs are set.During work, the action that is close between anode rod and bus is finished by oscillating cylinder, and return comes return by the swing return spring on putting on the shelf.Jaw overcomes the fastening spring preliminary tension by the anchor clamps cylinder and opens, and clamps by fastening spring elastic force.This structure is that complexity is heavy again, in switching process, causes jaw loosening because air failure or air pressure reduce, and the preliminary tension of fastening spring is very big, needs regularly replace avoid spring failure, makes troubles to equipment installation, production and maintenance.

The utility model content:

In order to solve the problem of above-mentioned existence, the purpose of this utility model is to provide a kind of promptly simple portable again, the convenient positive bar switching machine of installing and overhauling.

The utility model structure comprises frame, upending frame and several working machines, and frame is the steel construction supporting frame; Upending frame is the suspension centre of overhead traveling crane lifting; The working machine symmetry is installed in the both sides of frame, according to the difference of electrolyzer model, and the quantity and spacing difference of working machine.In order to prevent in the switching process, air failure or air pressure reduction cause jaw loosening, both sides above frame are installed a gas receiver that is connected by pipeline respectively, the position of gas receiver is arbitrarily between adjacent two working machines, the import and export of gas receiver is equipped with check valve, the effect of check valve is that source of the gas can guarantee that system pressure is stable when breaking down, and prevents from that anchor clamps from getting loose to cause anode to be fallen in the electrolyzer.Working machine comprises oscillating cylinder, anchor clamps, put on the shelf and be fixed by bolts on the frame, on oscillating cylinder is installed in and puts on the shelf, be connected with anchor clamps with jointed shaft I by connecting rod, anchor clamps are made up of a jaw and two horizontal anchor clamps cylinders, and anchor clamps are connected with putting on the shelf by jointed shaft II, and the anchor clamps cylinder is installed on the seat board at anchor clamps middle part, be connected with jaw with jointed shaft III by connecting rod, the action of working machine cylinder is controlled by air control unit.Oscillating cylinder and anchor clamps cylinder are the double-acting diaphragm type cylinder.

Air control unit of the present utility model is: the source of the gas pipeline of overhead traveling crane or tank control cabinet is connected to the import of gas receiver by check valve, the outlet of gas receiver is connected with the input terminus of magnetic valve by check valve, the output terminal of magnetic valve is connected to respectively on the oscillating cylinder and anchor clamps cylinder of working machine, magnetic valve is connected with power supply by trip switch, by the work of trip switch control magnetic valve.Its magnetic valve is a two-position four-way solenoid valve.The power supply of magnetic valve and control forms have two kinds: a kind of is direct supply, carries battery power by equipment itself, and store battery is installed on the frame, and trip switch places ground, is controlled by the ground handling personnel; Another kind is an AC power, and by electrolyzer tank control cabinet or overhead traveling crane power supply, power of electromagnetic valve inserts tank control cabinet or overhead traveling crane by the plug of umbilical cable, and its trip switch places ground or overhead traveling crane wheel house, is controlled with switch by ground handling personnel or overhead traveling crane officer.

Advantage of the present utility model: realize by the magnetic valve outage owing to clamp action, and be equipped with gas receiver and check valve at random, do not die and cut off the power supply, increased safety performance so be afraid of in the switching process; Simple in structure, working machine adopts double-acting matrix air cylinder driven, fastening spring, swing return spring and all spring supports and the seat board of working machine anchor clamps have been saved, the trouble of having avoided spring failure to bring, simplified installation procedure, reduce production and surfaceman's labour intensity, and saved equipment cost, brought convenience for the production and the maintenance of equipment.

Description of drawings:

Fig. 1 is an one-piece construction partial schematic diagram of the present utility model;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is an electrical schematic diagram of the present utility model;

Among the figure: 1 frame, 2 upending frames, 3 working machines, 4 gas receivers, 5 oscillating cylinders, 6 jointed shaft I, 7 put on the shelf, 8 jointed shaft II, 9 anchor clamps, 10 anchor clamps cylinders, 11 seat boards, 12 connecting rods, 13 jointed shaft III, 14 jaws, 15 anode rods, 16 positive bar, 17 guide rod locking latchess, 18 sources of the gas, 19 check valves, 20 magnetic valves, 21 trip switchs, 22 power supplys.

Embodiment:

Below in conjunction with accompanying drawing utility model is described further:

As Fig. 1, shown in Figure 2, with with the matching used positive bar switching of 200KA electrolyzer machine be example, structure of the present utility model comprises frame 1, upending frame 2, working machine 3, zygomorphy in frame 1 is arranged 28 working machines 3, the spacing of working machine 3 is 700mm, both sides above frame 1 are installed a gas receiver 4 that is connected by pipeline respectively, the position of gas receiver 4 is between the 4th at two ends and the 5th working machine 3, the import of gas receiver 4 and exit are equipped with check valve 19, the import check valve is connected with the pipeline of the source of the gas 18 of overhead traveling crane or tank control cabinet, the outlet check valve of gas receiver 4 is connected with anchor clamps cylinder 10 with oscillating cylinder 5 respectively by two-position four-way solenoid valve 20, is controlled the work of oscillating cylinder 5 and anchor clamps cylinder 10 simultaneously by two-position four-way solenoid valve 20.Putting on the shelf of working machine 7 is fixed by bolts on the frame 1, and anchor clamps 97 are connected with putting on the shelf by jointed shaft II8, and oscillating cylinder 5 is fixed on puts on the shelf on 7, is connected with anchor clamps 9 with jointed shaft I6 by connecting rod 12.Each anchor clamps is made up of a jaw 14 and two horizontal anchor clamps cylinders 10, anchor clamps cylinder 10 is installed on the seat board 11 at anchor clamps 9 middle parts, be connected with jaw 14 with jointed shaft III13 by connecting rod 12, the action of working machine cylinder is controlled by air control unit.

Its working process: as Fig. 1, Fig. 2, shown in Figure 3, positive bar is transferred after the source of the gas 18 of machine and power supply 22 connect, by overhead traveling crane it is sling and to move to electrolyzer top, operation control switch 21 makes two-position four-way solenoid valve 20 power connections, make the oscillating cylinder 5 rod chamber air inlets of putting on the shelf on 7, the rodless cavity exhaust, pulling anchor clamps 9 are to the direction swing away from positive bar 16, simultaneously, anchor clamps cylinder 10 rodless cavity air inlets on the anchor clamps 9, rod chamber exhaust, drivening rod 12 move downward opens jaw 14, adjusts the overhead traveling crane position, after jaw 14 is aimed at anode rod 15, lifting rope begins to descend, and falls into each fixed pivot position on the electrolyzer until frame 1 each fulcrum, and this moment, jaw 14 was positioned at the position that just in time anode rod 15 can be clamped.Operation control switch 21 is stopped power supply two-position four-way solenoid valve 20 then, two-position four-way solenoid valve 20 is return under the effect of air pressure, make the rod chamber air inlet of the anchor clamps cylinder 10 on the anchor clamps 9, the rodless cavity exhaust, drivening rod 12 moves upward jaw 14 closures is clamped anode rod 15.Put on the shelf the at the same time rodless cavity air inlet of the oscillating cylinder 5 on 7, the rod chamber exhaust promotes anchor clamps 9 anode buses 16 directions and is close to, and anode rod 15 is pressed on the positive bar 16, prevents to produce when positive bar 16 from upwards sliding electrical spark.Check whether the action of each anchor clamps 9 is finished, determine errorless after, open the guide rod locking latches 17 on each anode rod 15, then upwards promote positive bar 16, when positive bar 16 promote put in place lay equal stress on new lock with anode rod 15 usefulness guide rod locking latchess 17 after, operation control switch 21 makes two-position four-way solenoid valve 20 power connections, the rodless cavity air inlet of the anchor clamps cylinder 10 on the anchor clamps 9, the rod chamber exhaust, drivening rod 12 moves downward opens jaw 14, put on the shelf the simultaneously rod chamber air inlet of the oscillating cylinder 5 on 7, the rodless cavity exhaust, pulling anchor clamps 9 are to the direction swing away from positive bar 16, and rise lifting rope this moment, and positive bar switching machine is hung electrolyzer and finishes a working cycle.In the working process, all cylinders come pressurize by the gas receiver 4 on the positive bar switching machine frame 1, when bleed pressure descends, because the effect of check valve, air pressure in the gas receiver 4 can not descend along with the decline of bleed pressure, make the gas circuit pressure-stabilisation, prevented that effectively bleed pressure decline causes that clamping force causes anode to fall in the electrolyzer inadequately in the work.

Claims

1, a kind of positive bar switching machine, comprise frame, upending frame and several working machines, the working machine symmetry is installed in the both sides of frame, it is characterized in that both sides above frame install a gas receiver that is connected by pipeline respectively, the position of gas receiver is that the import and export of gas receiver is equipped with check valve between any adjacent two working machines.

2, a kind of positive bar switching machine according to claim 1, it is characterized in that described working machine comprises oscillating cylinder, anchor clamps, on oscillating cylinder is installed in and puts on the shelf, be connected with anchor clamps with jointed shaft I (6) by connecting rod, anchor clamps are made up of a jaw and two horizontal anchor clamps cylinders, anchor clamps are connected with putting on the shelf by jointed shaft II (8), the anchor clamps cylinder is installed on the seat board at anchor clamps middle part, be connected with jaw with jointed shaft III (13) by connecting rod, the action of working machine cylinder is controlled by air control unit.

3, a kind of positive bar switching machine according to claim 2 is characterized in that described oscillating cylinder and anchor clamps cylinder are the double-acting diaphragm type cylinder.

4, a kind of positive bar switching machine according to claim 2, it is characterized in that described air control unit is: the source of the gas pipeline of overhead traveling crane or tank control cabinet is connected to the import of gas receiver by check valve, the outlet of gas receiver is connected with the input terminus of magnetic valve by check valve, the output terminal of magnetic valve is connected to respectively on the oscillating cylinder and anchor clamps cylinder of working machine, magnetic valve is connected with power supply by trip switch, by the work of trip switch control magnetic valve.

5, a kind of positive bar switching machine according to claim 4, the power supply and the control forms that it is characterized in that described magnetic valve have two kinds: a kind of is direct supply, carry battery power by equipment itself, store battery is installed on the frame, and trip switch places ground; Another kind is an AC power, and by electrolyzer tank control cabinet or overhead traveling crane power supply, power of electromagnetic valve inserts tank control cabinet or overhead traveling crane by the plug of umbilical cable, and its trip switch places ground or overhead traveling crane wheel house.