From suspension lifting jig
Technical field
The present invention relates to for auxiliary many prismatics of welding shell ring circumferential weld device technique field, is a kind of from suspending the lifting jig.
Background technology
In the process of welding cylindrical shell circumferential weld, because the cylindrical shell size is big, during manual welding, labour intensity is big at present, and operating efficiency is very low; Welding process does not connect, and causes weld seam inhomogeneous, influences welding fabrication.Especially in the welding of many prismatics shell ring, because the workpiece ring weld seam is many prismatics, the employed automatic welding of implementing by the uniform rotation workpiece of conventional production, be subjected to the influence of polygon corner angle, in the shell ring rotation process, radial distance can change and beat between welding gun and the shell ring, make that relative distance can not keep stable between welding gun rifle head and the shell ring weld seam, cause that arc length changes, cause appearance of weld bad, undercut occurs, weld defects such as pore, even variable in distance causes the current interruption phenomenon between welding gun rifle head and the shell ring weld seam, cause welding to be interrupted, be difficult to realize automatic weldering.
Summary of the invention
The invention provides a kind of lifting jig that suspends certainly, overcome the deficiency of above-mentioned prior art, its labour intensity that can effectively solve the manual welding of many prismatics shell ring welding sequence is big, and operating efficiency is very low; Welding process does not connect, the problem that weld seam is inhomogeneous.
Technical scheme of the present invention realizes by following measure: a kind of from suspending the lifting jig, and comprise jig, connect chain, frame, combinations of weights, positioner, sprocket wheel and roller; Be equipped with in the upper end of frame can before and after the sprocket wheel that rotates, at sprocket wheel the connection chain is installed, in the place ahead of frame jig is arranged, at jig and frame the positioner that jig is moved up and down is installed; The upper end of jig is fixed together with the front end that is connected chain; There is combinations of weights at rear in frame, and the upper end of combinations of weights is fixed together with the rear end that is connected chain; Being equipped with at the front end downside of jig can be along the positioning roller of welding shell ring rotation direction rotation.
Be the further optimization and/or improvements to the foregoing invention technical scheme below:
Above-mentioned frame can comprise fore-stock, after-poppet and chain wheel plate; Fore-stock is the H shaped steel that notch is left and right directions, and after-poppet is the H shaped steel that notch is fore-and-aft direction; Be fixedly connected with the chain wheel plate in the upper end of fore-stock and after-poppet, be installed with chain pulley seat at the chain wheel plate, at chain pulley seat sprocket wheel is installed; Jig comprises platform underframe, level frame and vertical frame; The platform underframe is the square frame that channel-section steel is formed by fixedly connecting, and center fixed is equipped with roller mount in the channel-section steel lower end of platform underframe front portion, and the roller that can rotate up and down is installed on the roller mount; Directly over platform underframe rear side channel-section steel level frame is arranged, the upper end of the lower end of level frame and platform underframe is fixed together by vertical frame; Connecting the front end of chain and the upper end of level frame is fixed together; Positioner comprises upper mounting plate guiding wheel carrier, epipleural, upper mounting plate directive wheel, lower platform guiding wheel carrier, lower platform directive wheel and lower side panel; The left and right sides of the fore-stock corresponding with level frame has upper mounting plate guiding wheel carrier respectively, and the upper mounting plate leading truck of both sides has distance with fore-stock respectively, and the front end of upper mounting plate leading truck is fixed together with level frame respectively; Be connected with the upper mounting plate directive wheel by epipleural respectively on the upper mounting plate leading truck of both sides, the upper mounting plate directive wheel contacts in the left side of fore-stock notch and right side notch and with the intermediate plate of fore-stock respectively; The left and right sides of the fore-stock corresponding with the platform underframe has lower platform guiding wheel carrier respectively, and the lower platform leading truck of both sides has distance with fore-stock respectively, and the rear end of the front end of lower platform leading truck and platform underframe is fixed together; Be fixedly connected with the lower platform directive wheel that can rotate up and down by lower side panel respectively on the lower platform leading truck of both sides, the lower platform directive wheel contacts in the left side of fore-stock notch and right side notch and with the intermediate plate of fore-stock respectively.
On the upper mounting plate guiding wheel carrier of the upper mounting plate directive wheel on above-mentioned left side and right side below four upper limit pulleys that can rotate up and down can be arranged, two upper limit pulleys in left side and two upper limit pulleys on right side are separately fixed at the both sides of the header board of fore-stock; Two upper limit pulleys in left side and two upper limit pulleys on right side contact with header board respectively; On the lower platform guiding wheel carrier of the lower platform directive wheel top on left side and right side four lower limit pulleys that can rotate are up and down arranged, two lower limit pulleys in left side and two lower limit pulleys on right side are separately fixed at the both sides of the header board of fore-stock, and two lower limit pulleys in left side and two lower limit pulleys on right side contact with header board respectively.
Above-mentioned combinations of weights can comprise ballast box, balancing weight and counterweight leading block; Inner lower at ballast box is installed with balancing weight, and the counterweight leading block that can rotate is up and down arranged in the ballast box upper inside; The counterweight leading block contacts in the pit of after-poppet and with the central plate of after-poppet, and the rear end that connects chain is fixedly connected on the ballast box.
The lower end of above-mentioned frame is fixedly connected mobile base; Mobile base comprises pony sill, frame plate and direction-caster; Pony sill is the square frame that channel-section steel is formed by fixedly connecting, and at pony sill the frame plate that is connected with the front and back channel-section steel is arranged, and is fixed together in the upper end, middle part of frame plate and the lower end of fore-stock and after-poppet; Four end pin at pony sill all are fixedly connected with rotating direction-caster.
The both sides of above-mentioned chain wheel plate can be installed with two chain pulley seats, are separately installed with two rotating sprocket wheels at chain pulley seat, are separately installed with two connection chains at sprocket wheel.
Top between above-mentioned fore-stock and the after-poppet can be fixedly connected with connecting plate, and the left and right sides of connecting plate is fixedly connected with tilted supporter, and the lower end of tilted supporter is fixed together with the channel-section steel on pony sill left side and right side respectively.
The both sides of above-mentioned level frame lower end are fixedly connected an oblique frame, and tiltedly the lower end of frame is fixed together with the channel-section steel on platform base left side and right side respectively.
Reasonable and compact in structure of the present invention, easy to use, by regulating combinations of weights, regulate the position of jig, make the welding gun of electric welding machine carry out continuous welding to the slit; Cylinder to different diameters all can be general, and lowered labour intensity, improved operating efficiency.
Description of drawings
Accompanying drawing 1 is looked the broken section structural representation for the master of most preferred embodiment of the present invention.
Accompanying drawing 2 is looked the broken section structural representation for the right side of accompanying drawing 1.
Accompanying drawing 3 is that the A-A of accompanying drawing 2 is to the sectional structure schematic diagram.
Accompanying drawing 4 is that the B-B of accompanying drawing 2 is to the sectional structure schematic diagram.
Accompanying drawing 5 is the local structure for amplifying schematic diagram of the I of accompanying drawing 3.
Accompanying drawing 6 is most preferred embodiment work schematic diagram of the present invention.
Coding in the accompanying drawing is respectively: 1 for connecting chain, and 2 is sprocket wheel, and 3 is positioning roller, 4 is fore-stock, and 5 is after-poppet, and 6 is the chain wheel plate, 7 is connecting plate, and 8 is tilted supporter, and 9 is ballast box, 10 is balancing weight, and 11 is the counterweight leading block, and 12 is the platform underframe, 13 is pony sill, and 14 is frame plate, and 15 is direction-caster, 16 is level frame, and 17 is vertical frame, and 18 is oblique frame, 19 is the upper mounting plate leading truck, and 20 is that epipleural 20,21 is the upper mounting plate directive wheel, 22 are lower platform guiding wheel carrier, and 23 is the lower platform directive wheel, and 24 is lower side panel, 25 is the upper limit pulley, 26 is the lower limit pulley, and 27 is turning rolls, and 28 is welding work pieces.
The specific embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
Shown in accompanying drawing 1,2, this lifting jig that suspends certainly comprises jig, connects chain 1, frame, combinations of weights, positioner, sprocket wheel 2 and roller 3; Be equipped with in the upper end of frame can before and after the sprocket wheel 2 that rotates, be equipped with at sprocket wheel 2 and connect chain 1, in the place ahead of frame jig is arranged, at jig and frame the positioner that jig is moved up and down is installed; The upper end of jig is fixed together with the front end that is connected chain 1; There is combinations of weights at rear in frame, and the upper end of combinations of weights is fixed together with the rear end that is connected chain 1; Being equipped with at the front end downside of jig can be along the positioning roller 3 of welding shell ring rotation direction rotation.
Can make further optimization and/or improvements from the lifting jig that suspends above-mentioned according to actual needs:
Shown in accompanying drawing 1,2, frame comprises fore-stock 4, after-poppet 5 and chain wheel plate 6; Fore-stock 4 is the H shaped steel of left and right directions for notch, and after-poppet 5 is the H shaped steel of fore-and-aft direction for notch; Upper end at fore-stock 4 and after-poppet 5 is fixedly connected with chain wheel plate 6, is installed with chain pulley seat at chain wheel plate 6, at chain pulley seat sprocket wheel 2 is installed;
Jig comprises platform underframe 12, level frame 16 and vertical frame 17; The square frame that platform underframe 12 is formed by fixedly connecting for channel-section steel, center fixed is equipped with roller mount in the channel-section steel lower end of platform underframe front portion, and the roller 3 that can rotate up and down is installed on the roller mount; Directly over platform underframe 12 rear side channel-section steels level frame 16 is arranged, the upper end of the lower end of level frame 16 and platform underframe 12 is fixed together by vertical frame 17; Connecting the front end of chain 1 and the upper end of level frame 16 is fixed together;
Positioner comprises upper mounting plate guiding wheel carrier 19, epipleural 20, upper mounting plate directive wheel 21, lower platform guiding wheel carrier 22, lower platform directive wheel 23 and lower side panel 24; The left and right sides of the fore-stock 4 corresponding with level frame 16 has upper mounting plate guiding wheel carrier 19 respectively, and the upper mounting plate leading truck 19 of both sides has distance with fore-stock 4 respectively, and the front end of upper mounting plate leading truck 19 is fixed together with level frame 16 respectively; Be connected with upper mounting plate directive wheel 21 by epipleural 20 respectively on the upper mounting plate leading truck 19 of both sides, upper mounting plate directive wheel 21 contacts in the left side of fore-stock 4 notch and right side notch and with the intermediate plate of fore-stock 4 respectively; The left and right sides of the fore-stock 4 corresponding with platform underframe 12 has lower platform guiding wheel carrier 22 respectively, and the lower platform leading truck 22 of both sides has distance with fore-stock 4 respectively, and the rear end of the front end of lower platform leading truck 22 and platform underframe 12 is fixed together; Be fixedly connected with the lower platform directive wheel 23 that can rotate up and down by lower side panel 24 respectively on the lower platform leading truck 22 of both sides, lower platform directive wheel 23 contacts in the left side of fore-stock 4 notch and right side notch and with the intermediate plate of fore-stock 4 respectively; Jig is fixed at left and right directions.
Shown in accompanying drawing 1,2,3,4, the upper mounting plate of left side and upper mounting plate directive wheel 21 belows on right side leads has four upper limit pulleys 25 that can rotate up and down on the wheel carrier 19, and two upper limit pulleys 25 in left side and two upper limit pulleys 25 on right side are separately fixed at the both sides of the header board of fore-stock 4; Two upper limit pulleys 25 in left side and two upper limit pulleys 25 on right side contact with header board respectively; On the lower platform guiding wheel carrier 22 of lower platform directive wheel 23 tops on left side and right side four lower limit pulleys 26 that can rotate are up and down arranged, two lower limit pulleys 26 in left side and two lower limit pulleys 26 on right side are separately fixed at the both sides of the header board of fore-stock 4, and two lower limit pulleys 26 in left side and two lower limit pulleys 26 on right side contact with header board respectively; Can make jig spacing at fore-and-aft direction like this, jig can only be moved up and down.
As shown in Figure 2, combinations of weights comprises ballast box 9, balancing weight 10 and counterweight leading block 11; Inner lower at ballast box 9 is installed with balancing weight 10, and the counterweight leading block 11 that can rotate is up and down arranged in ballast box 9 upper inside; Counterweight leading block 11 contacts in the pit of after-poppet 5 and with the central plate of after-poppet 5, and the rear end that connects chain 1 is fixedly connected on the ballast box 9; Combinations of weights can be moved along vertical direction.
Shown in accompanying drawing 1,2,3, be fixedly connected with mobile base in the lower end of frame; Mobile base comprises pony sill 13, frame plate 14 and direction-caster 15; The square frame that pony sill 13 is formed by fixedly connecting for channel-section steel has the frame plate 14 that is connected with the front and back channel-section steel at pony sill 13, is fixed together in the upper end, middle part of frame plate 14 and the lower end of fore-stock 4 and after-poppet 5; Four end pin at pony sill 13 all are equipped with rotating direction-caster 15; It is convenient so whole invention to be moved.
Shown in accompanying drawing 1,2, be installed with two chain pulley seats in the both sides of chain wheel plate 6, be separately installed with two rotating sprocket wheels 2 at chain pulley seat, be separately installed with two connection chains 1 at sprocket wheel 2.
As shown in Figure 1, top between fore-stock 4 and after-poppet 5 is fixedly connected with connecting plate 7, the left and right sides of connecting plate 7 is fixedly connected with tilted supporter 8, and the lower end of tilted supporter 8 is fixed together with the channel-section steel on pony sill 13 left sides and right side respectively, can make frame more firm like this.
As shown in Figure 1, be fixedly connected with oblique frame 18 in the both sides of level frame 16 lower ends, tiltedly the lower end of frame 18 is fixed together with the channel-section steel on platform base 12 left sides and right side respectively, can make jig more firm like this.
Above technical characterictic has constituted most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of most preferred embodiment of the present invention: by adjusting combinations of weights, make Weighting system reach balance; Regulate the height of jig freely according to welding work pieces 28 sizes; Implement preceding welding gun and the welding work pieces 28 weld bond relative positions of adjusting welding equipment of welding, taking off part balancing weight 10 in the time of before weld job begins makes jig and welding machine weight summation be slightly larger than combinations of weights, 28 of jig bottom roller 3 and welding work pieces are contacted, turning rolls 27 rotations drive welding work pieces 28 rotations, platform bottom roller 3 rotates with welding work pieces, jig fluctuates thereupon under the gravity effect, thereby keeps welding gun and the constant weld job that carries out of welding work pieces 28 weld bond relative positions; Regulating turning rolls 27 rotating speeds makes welded seam and molten bath satisfy welding process requirement.