CN2058361U

CN2058361U - Cantilever welding machine

Info

Publication number: CN2058361U
Application number: CN 89215750
Authority: CN
Inventors: 张久钦; 崔宝珠; 卫增嘉; 岳永佛; 李素芳
Original assignee: ELECTRICAL CONTROL EQUIPMENT FACTORY XINXIANG CITY HENAN PROV
Current assignee: ELECTRICAL CONTROL EQUIPMENT FACTORY XINXIANG CITY HENAN PROV
Priority date: 1989-08-25
Filing date: 1989-08-25
Publication date: 1990-06-20

Abstract

The utility model provides a cantilever welding machine for welding good-sized steel members. The utility model is characterized in that a cantilever keeps balance by a compression spring, the included angle of the cantilever and horizontal plane is from 0 DEG to 60 DEG, and the cantilever can keeps balance at any position; the utility model is provided with a welding gun and a wire feeder which can be switched at any time for double-standard welding of the solid welding wire and the flux-cored wire. The utility model has the advantages of simple structure and convenient operation.

Description

Cantilever welding machine

The utility model relates to the cantilever bonding machine that a kind of improved welding large-scale steel spare is used, and particularly adopts a kind of cantilever balanced controls without consumes energy to replace the two wire feeders of the rush-harvesting and rush-planting that welds with the welding wire that can realize two kinds of different specification.

Existing cantilever bonding machine: the one, the act height or the reduction of cantilever realize by hydraulic drive, complex structure, cost height, operation are dumb, the 2nd, be single rifle list wire feeder, like this need be with two equipment at flux-cored wire used for welding and solid core welding wire, otherwise must change welding wire, very inconvenient.

Task of the present utility model provides a kind of cantilever bonding machine of improved welding large-scale steel spare, it is a kind ofly to have the not cantilever balanced controls of consumes energy, and can carry out the model welding of requiring to report his or her problems within a prescribed time and in a prescribed place of solid core welding wire and flux-cored wire.

Task of the present utility model is finished as follows, it has two welding guns, two wire feeder, also have cantilever balanced controls that become by cantilever, support, bearing and compression spring set, Fig. 1 is a cantilever balanced controls structural principle schematic diagram, illustrates below in conjunction with Fig. 1.

Cantilever 1 is supported on the support plate of support 6 by bearing pin 2, pull bar 5 upper ends have hanger 4 to connect by bearing pin 3 with cantilever 1, pull bar 5 passes the centre bore of support 6, there is screw thread pull bar 5 lower ends, by nut 10, spheric washer 9 balancing spring 8 is compressed, and be fixed on the below of support 6, and support 6 is bearing on the bearing 7, and the on line of bearing pin 2,3 and the angle α of horizontal plane are between 15 ° to 20 °; Cantilever 1 is provided with left and right sides welding gun and left and right sides wire feeder.

When cantilever and horizontal plane angle when 0 °-60 ° change, the weight arm of cantilever changes to minimum by maximum, its equilibrant force is provided by compression spring 8, the position of adjusting nut 10 on pull bar 5, promptly changed the compression stress of spring 8, this shoulders the equilibrant force of bar to change cantilever, it is the elastic force that the pressured spring that contracts produces, make the cantilever 1 that is bearing in support 6 and horizontal plane angle from 0 ° to 60 ° the equal balance in any position, whole balanced controls are simple in structure, easy to use, the balance of cantilever is consumes energy not, owing to have two welding guns, two wire feeders can arbitrarily switch the welding of carrying out real core and medicine core.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 2 is the concrete structure schematic diagram of cantilever bonding machine one embodiment.

Fig. 3 is the transmission principle figure of the bidirectional clutch of cantilever bonding machine one embodiment.

Describe in detail below in conjunction with accompanying drawing, referring to accompanying drawing 1,2, this machine mainly is made up of cantilever 1, runing rest 6, bearing 7, left and right sides welding gun 11 and left and right sides wire feeder 13 and control system.

Runing rest 6 is welded by platen 20, a tube 23 and air-cored axis's 24, two support plates 16.Thrust bearing 25 is installed in the air-cored axis 24, two rolling bearings 28, spacer 27, platens 20 are equipped with electric control box 19 and wire reel support 21, wire reel support 21 is equipped with the wire reel 22 of two different size welding wires.

Bearing 7 is to be welded by steel plate and column, and the column upper end is equipped with splicing sleeve 26, and four lower margin holes are arranged on the steel plate of bearing 7, is fixed on the ground during installation.

Cantilever 1 is to adopt a seamless steel pipe, its carriage 14 of end welding, two wire feeders 13 are installed above and can regulate shaking of wire feed rate and control box 12, its other end welds a block plate 17, and pin shaft hole 2 and arm of force pin shaft hole 3 are arranged on the steel plate 17.Cantilever 1 and the steel plate 17 on it are installed in the middle of two support plates 16 of runing rest 6 by fulcrum pin axle 2, fulcrum pin axle 2 has just constituted the fulcrum of cantilever 1, and cantilever 1 can turn round in the scope from 0 ° to 60 ° with horizontal plane angle in vertical plane around fulcrum shaft 2.Arm of force pin shaft hole 3 on the steel plate 17, hinged by arm of force bearing pin 3 and hanger 4, there is the angular thread hole hanger 4 lower ends, there is angular thread pull bar 5 upper ends, screw in the screwed hole of hanger 4, and with nut 18 locking, pull bar 5 passes the centre bore of runing rest 6, by square tooth nut 10 with guide pipe 29, compression spring 8, spheric washer 9 and plane bearing 30 relative fixed are on runing rest 6, the position of tooth nut 10 on pull bar 5, the side of adjustment, can make compression spring 8 produce certain elastic force, come the weight of balanced cantilever with it, when cantilever 1 during at horizontal level, after adjusting the equilibrant force of spring, again the bottom of runing rest 6 and balanced controls thereof are packed into the column endoporus of bearing 7, two rolling bearings 28 match with the column endoporus, thrust bearing 25 is by splicing sleeve 26 supportings, runing rest 6 is on bearing 7 tops, rely on thrust bearing 25 and rolling bearing 28, can in horizontal plane, rotate on the optional position, can in 360 ° of scopes, rotate.

When cantilever 1 and horizontal plane angle change from 0 ° to 60 °, cantilever 1 drives pull bar 5 and moves down, spring 8 elongations, compression stress has reduced the equilibrant force of 5 pairs of cantilevers 1 of pull bar, the effect of spheric washer 9 is that pull bar 5 can be swung flexibly, the effect of plane bearing 30 is when the side's of rotation tooth nut 10 comes regulating spring 8 pressure when debugging, the resistance that the side's of minimizing tooth nut 10 rotates.Guide pipe 29 prevents spring 8 distortions, and restraining spring 8 has only along the periphery of guide pipe 30 flexible up and down.

For make cantilever 1 and horizontal plane from 0 ° to 60 ° any position can both balance, except that the adjustment of the compression stress of leaning on spring 8, bearing pin 3 should be higher than the position of fulcrum pin axle 2, promptly one inclined angle alpha is arranged is 15 ° to 20 ° for two bearing pin lines and horizontal plane, remedies force variation with it and still not exclusively satisfies EQUILIBRIUM CONDITION.Knob clamp mechanism 15 is used for locating cantilever 1, allows cantilever 1 keep a certain gradient.

Be installed in the left and right sides wire feeder 13 on the carriage 14 of an end of cantilever 1 two covers, four driving wheel wire feeds are arranged, for making the equipment light and flexible, left and right sides wire feeder drives reduction box by a cover electric control box 19 control (seeing its electric control system block diagram of Fig. 4) dc motors 40, by gear drive, connect two cover wire feeders by the bidirectional clutch gear train again, the microswitch of operation left and right sides welding gun 11, make motor 40 forward or reverse, can make two cover wire feeders replace wire feed, can finish the model welding of requiring to report his or her problems within a prescribed time and in a prescribed place of the steel member being carried out solid core welding wire and flux-cored wire.

Transmission principle figure referring to Fig. 3 bidirectional clutch further specifies, and bidirectional clutch is by shell 31, star-

wheel

32 and 33, and three rollers are arranged on each star-wheel.Star-wheel 32 33 symmetrical reverse are installed in the endoporus of shell 31, it respectively with an end key connecting of axle 34,35, by key connecting

gear

36 and 37,

gear

36,37 is meshing with left and right sides wire feeder respectively respectively for the other end of axle 34,35.On the shell 31 gear is arranged, it is mutually meshing with the output gear 33 in the reduction box 39, when being rotated in the forward, motor 40 makes shell 31 rotations of bidirectional clutch through decelerator 39, gear 38, at this moment three rollers on the star-wheel 32 and shell 31 produce powerful frictional force, driving star-wheel 32 rotates in the same way with shell 31, because star-wheel 32, axle 34, gear 36 are key connecting, so gear 36 is rotation in the same way also, drives left wire feeder work.Because star-wheel 33 relative star-wheels 32 are that reverse symmetry is installed in the hole of shell 31, three rollers and shell 31 on the star-wheel 33 have only very little frictional force, star-wheel 33 can not rotate, and right wire feeder is not worked.With should the motor reverse rotation, star-wheel 33 makes right wire feeder work, and star-wheel 32 does not rotate, and left wire feeder is not worked.

The outstanding feature of this equipment is simple in structure, easy to operate, the act of cantilever is high need not to consume the energy with the whereabouts, as long as the hand torch cable is lifted on gently or is left behind, can make cantilever lift high or the whereabouts, place on a certain position, and can keep balance, push away cantilever or pulling welding torch cable, spiral arm can arbitrarily rotation in 360 ° of scopes of horizontal plane. Therefore be specially adapted to the welding of the steel member in the fields such as railway, automobile making and maintenance and oil, chemical industry.

Claims

1, weld the cantilever bonding machine that large-scale steel spare is used, it has cantilever balanced controls and of being made up of cantilever 1, support 6, bearing 7 and overlaps two welding guns, two wire feeder, it is characterized in that:

A, cantilever 1 are supported on the support plate of support 6 by bearing pin 2, there is hanger 4 pull bar 5 upper ends, hanger 4 connects by bearing pin 3 with cantilever 1, pull bar 5 passes the centre bore of support 6, there is screw thread pull bar 5 lower ends, by nut 10, spheric washer 9 balancing spring 8 is compressed, and be fixed on the below of support 6, support 6 is bearing on the bearing 7, and the on line of bearing pin 2,3 and the angle α of horizontal plane are between 15 ° to 20 °;

B, cantilever 1 are provided with left and right sides welding gun 11 and left and right sides wire feeder 13.