CN101648327B

CN101648327B - Tri-axial positioning machine for welding loading shovel

Info

Publication number: CN101648327B
Application number: CN2009100347904A
Authority: CN
Inventors: 汪步勤; 朱跃斌; 邵福庆
Original assignee: World Heavy Industry China Co Ltd
Current assignee: World Heavy Industry China Co Ltd
Priority date: 2009-09-09
Filing date: 2009-09-09
Publication date: 2012-07-04
Anticipated expiration: 2029-09-09
Also published as: CN101648327A

Abstract

The invention discloses a tri-axial positioning machine for welding a loading shovel, comprising a vertical machine body, a working table, a working table lifting device, a guiding device, a working table turning device, and a working table pitching device; the vertical machine body comprises an upper beam, vertical columns at two sides and a base; the guiding device comprises a guiding column at front side of the vertical columns and a guiding sleeve; the working table is arranged between the upper beam and the base and comprises a fixed working table, a pitching working table and a turning plate, the inner side of the fixed working table is fixedly connected with a guiding shell, and two sides of the pitching working table are respectively articulated with the fixed working table by a supporting shaft; the working table lifting device and the working table pitching device are arranged in the upper beam, two ends of a driving belt of the lifting device are respectively connected with the working table and a balance weight; the working table turning device is arranged at the upper side of the working table. The tri-axial positioning machine can turn and displace various welding workpieces, so as to lead the welding position to be positioned in the best horizontal welding position, improve the welding quality and working efficiency and greatly alleviating the working intensity of welders.

Description

Tri-axial positioning machine for welding loading shovel

Technical field

Turning device when the present invention relates to the welding of a kind of steel construction weldment, particularly a kind of can three the displacement upset, be used to weld the upset positioner of loading shovel, belong to the welding jig technical field.

Background technology

Loading machine is a kind of engineering machinery that is widely used in capital construction such as civil engineering, hydraulic engineering, and loading shovel is the steel construction weldment of shape more complicated, and its Heavy Weight and bulky has brought certain difficulty to welding forming.The weld seam that this steel construction weldment welding is shaped is more and irregular; Will be in the welding process through hoisting and overturning repeatedly; Potential safety hazard is bigger, and as not reaching best welding position, welding quality does not just reach requirement; And the efficient of artificial upset is low, do not reach safety, efficient, save time, the labour-saving requirement.

In order to weld loading shovel safely, conveniently, efficiently, existing multiple at present loading shovel welding is come out with the up-down deflection machine, the workbench ability oscilaltion of such positioner carrying loading shovel, but exist following problem:

1, screw mandrel screw transmission self-powered platform

Because screw generally adopts the copper alloy material to process, bearing capacity is low, and the screw easy abrasion lost efficacy, and the service life of this mechanism is short, safety coefficient is lower.

2, the about cover of alignment pin self-powered platform

This self-powered platform does not have autonomous dynamic, must be through supporting uses of other other crane gears such as driving, cranes, and go up and down not steady and inconvenient operation, inefficiency.

3, eccentric shaft, directive wheel combined mechanism self-powered platform

Eccentric shaft structure causes the lifting travel of workbench shorter, and the eccentric shaft difficulty of processing is big and not tight through regular meeting's lock, and the riser guide cost is big, and bearing capacity is less than normal, and guiding accuracy is low.

Summary of the invention

The purpose of this invention is to provide not only vertical lift up and down of a kind of workbench that carries loading shovel, and can rotate around vertical axis, and can before and after three upset positioners of loading shovel of pitching.

The object of the invention is achieved through following technical scheme:

A kind of tri-axial positioning machine for welding loading shovel; Comprise vertical fuselage, workbench, worktable lifting device, guider, work table rotation device, workbench elevation mount, said vertical fuselage comprises entablature, two heel posts that support entablature, the base that is fixedly connected with column; Said guider comprises the lead that is positioned at the column front side, the fairlead of kink on lead; Said workbench is arranged between entablature and the base; Comprise and decide workbench, be arranged on the pitching workbench of deciding in the workbench, the finger plate that is arranged on pitching workbench upside; Said inboard of deciding workbench is fixedly connected with guide housings, and said pitching workbench both sides are passed through bolster respectively and decide workbench hinged; Said worktable lifting device is arranged in the entablature, and the two ends through driving-belt are connected with workbench, counterweight respectively; Said work table rotation device is arranged on the workbench upside, and said workbench elevation mount is arranged in the workbench.

The object of the invention can also further realize through following technical measures.

Aforesaid tri-axial positioning machine for welding loading shovel, wherein said worktable lifting device also comprise first reductor, preceding transverse axis, rear cross shaft, several transverse axis bearings, several to drive, and every pair of drive comprises forward and backward drive; Said first reductor is fixed on the base plate of entablature, and its output shaft is connected with follower on the preceding transverse axis through driving wheel, flexible band, said forward and backward transverse axis setting, and its two ends are passed through the output shaft seat supports respectively on the base plate of entablature; Forward and backward drive also is housed on the two ends of forward and backward transverse axis symmetrically, and said flexible drive parts is walked around respectively on the forward and backward drive, and the one of which end is connected with the counterweight upside, and the other end is connected with the workbench upside.

Aforesaid tri-axial positioning machine for welding loading shovel, wherein said guider also comprise guide housings, several guide roller; Said several guide roller passes across the upper and lower side of guide housings respectively, grasps the both sides of lead; The two ends of said guide roller are bearing in the guide housings through bearing respectively.

Aforesaid tri-axial positioning machine for welding loading shovel; Wherein said work table rotation device comprises that second reductor, floating bearing, said second reductor are vertically set on the interior upside of deciding workbench; Its output shaft is fixedly connected with gear A after passing pitching workbench top board; Said gear A and the engagement of floating bearing ring gear, said floating bearing ring gear is fixedly connected with the finger plate that is positioned at its upside, and the floating bearing outer ring is fixed on the pitching workbench top board.

Aforesaid tri-axial positioning machine for welding loading shovel, wherein said workbench elevation mount comprise the 3rd reductor, several to gear, several transverse axis, pitching half gear; Said the 3rd reductor is fixedly mounted on to be decided in the workbench; Its output gear be installed in first gears engaged on first transverse axis; Said first gear be installed in second gears engaged on second transverse axis, said first transverse axis, second transverse axis are being decided on the both sides of workbench through bearings respectively, the two ends of first transverse axis, second transverse axis are stretched out respectively and are decided the workbench both sides; The 3rd gear, the 4th gear are installed in respectively on the two ends of first transverse axis, second transverse axis, and are engaged with each other; Said pitching half gear is fixedly connected with pitching workbench both sides respectively, this pitching half gear and the 4th gears engaged that is installed in the second transverse axis two ends.

Aforesaid tri-axial positioning machine for welding loading shovel; Wherein said lead vertically be provided with the table lock tieholen that several pass lead; When workbench remained static, check lock lever was inserted in the locking hole of lead, and the top edge of said check lock lever is resisted against on the downside of workbench.

Compact conformation of the present invention, noise are little, and energy consumption is low, operate steadily, operation and installation are easy to maintenance.The workpiece that is contained on the workbench of the present invention not only can be with the workbench vertical lift, and can also rotate around vertical axis, and can before and after pitching.The present invention can be the various workpiece upset displacements that are used for automatic weldering, semiautomatic welding and manual welding, makes the welding operation of workpiece be in best horizontal welding position all the time, helps improving welding quality and operating efficiency, and can alleviate welder's labour intensity greatly.

Workbench vertical lift of the present invention, around vertical axis rotate, each reductor power of front and back pitching all adopts variable-frequency stepless speed-regulating, slewing range is big, and is easy to use.And first reductor of workbench vertical lift device of the present invention has motor braking, self-locking of worm and gear speed change and alignment pin location retrocession, and safety coefficient is high.The electrical control gear of this machine can pick out manual welding gauge tap box from electric cabinet; The operator can be held in the hand or be placed on suitable position operation worktable lifting, rotation; Be convenient to observe, make welding work pieces can adjust to only welding position and weld, significantly improve weldquality.

Advantage of the present invention and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide with reference to accompanying drawing as an example.

Description of drawings

Fig. 1 is a front view of the present invention;

Fig. 2 is the left view of Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is described further.

Like Fig. 1, shown in Figure 2, the present invention is by seven most of compositions such as vertical fuselage 1, workbench 2, worktable lifting device 3, guider 4, work table rotation device 5, workbench elevation mount 6, electric cabinet 7.

Vertical fuselage 1 comprises entablature 11, support two heel posts 12 of entablature 11, the base 13 that is fixedly connected with column 12, and each structural member of present embodiment fuselage 1 all adopts welded steel structure spare, also can adopt cast iron or cast steel structural member; Entablature 11 is hollow box beam structure with column 12.Workbench 2 is arranged between entablature 11 and the base 13; Comprise and decide workbench 21, be arranged on the pitching workbench of deciding in the workbench 21 22, the finger plate 23 that is arranged on pitching workbench 22 upsides; The inboard of deciding workbench 21 is fixedly connected with guider 4 front sides; Under the effect of worktable lifting device 3, deciding workbench 21 can be with guider 4 oscilaltion, and pitching workbench 22 both sides are passed through bolster 24 respectively and decide workbench 21 hinged.

Worktable lifting device 3 is arranged in the entablature 11, and the two ends through driving-belt 31 are connected with workbench 2, counterweight 32 respectively.Worktable lifting device 3 also comprises first reductor 33, preceding transverse axis 34, rear cross shaft 35, several transverse axis bearings 36, several to drive, drive 37, back drive 38 before every pair of drive comprises.First reductor 33 is fixed on the base plate of entablature 11; Its output shaft through driving wheel 39, flexibility with 310 with preceding transverse axis 34 on follower be connected; Preceding transverse axis 34, rear cross shaft 35 laterally arrange, and its two ends are supported on the base plate of entablature 11 through transverse axis bearing 36 respectively.Drive 37, back drive 38 before also be equipped with symmetrically at the two ends of preceding transverse axis 34, rear cross shaft 35; The preceding drive 37 of present embodiment, back drive 38 are sprocket wheel; Driving-belt 31 is a bushroller chain; Bushroller chain is walked around preceding drive 37, back drive 38 respectively, and the one of which end is connected with counterweight 32 upsides, the other end with decide workbench 21 upsides and be connected.Follower rotation before the power of first reductor 33 drives through driving wheel 39, driving-belt 31 on the transverse axis 34; Preceding transverse axis 34 rotations drive 37 rotations of forward pass driving wheels; The bushroller chain that drives drive 37 before walking around, back drive 38 again moves up and down, and moves one on the other thereby drive workbench 2, counterweight 32, and the worktable lifting speed of present embodiment is 5m/min; Lifting travel is 1000mm, the loading shovel of convenient welding different size.

Guider 4 comprises the lead 41 that is positioned at column 12 front sides, 42,4 guide rollers 43 of the guide housings of kink on lead 41; The inboard of deciding workbench 21 is fixedly connected with guide housings 42, and 4 guide rollers 43 are divided into 2 one group of upper and lower sides that pass across guide housings 42 respectively, grasp the both sides of lead 41, and the two ends of guide roller 43 are bearing in the guide housings 42 through bearing 44 respectively.When guide housings 42 when lead 41 moves up and down, guide roller 43 is pasting 41 liang of side rolls of lead, has higher guiding accuracy, makes workbench 2 oscilaltions steady.Vertical several table lock tieholens 411 that is provided with of lead 41; When workbench 2 remains static; Check lock lever 45 is inserted in the locking hole 411 of lead; Its top edge is resisted against on the downside of workbench 2, prevents that workbench 2 lost efficacy to fall suddenly because of worktable lifting device 3, guaranteed the safe in utilization of equipment.

Work table rotation device 5 comprises that second reductor 51, floating bearing 52, second reductor 51 are vertically set on the interior upside of deciding workbench 21; Its output shaft passes pitching workbench top board 221 backs and is fixedly connected with gear A 53; Gear A 53 and 521 engagements of floating bearing ring gear; Floating bearing ring gear 521 is fixedly connected with the finger plate that is positioned at its upside 23, and floating bearing outer ring 522 is fixed on the pitching workbench top board 221.Second reductor 51 rotates through gear A 53 driving rotational bearing ring gears 521, rotates thereby drive the finger plate 23 that is fixedly connected with it.

Workbench elevation mount 5 comprises the 3rd reductor 61, several to gear, several transverse axis, pitching half gear 62; The 3rd reductor 61 is fixedly mounted on the base plate 211 of deciding workbench 21; Its output gear 63 and first gear, 65 engagements that are installed on first transverse axis 64; First gear 65 be installed in second transverse axis 66 on 67 engagements of second gear; First transverse axis 64, second transverse axis 66 are supported on the both sides of deciding workbench 21 through bearing 68 respectively; The two ends of first transverse axis 64, second transverse axis 66 are stretched out respectively and are decided workbench 21 both sides, and the 3rd gear 69, the 4th gear 610 are installed in the two ends of first transverse axis 65, second transverse axis 66 respectively, and are engaged with each other.Pitching half gear 62 is fixedly connected with pitching workbench 22 both sides through a plurality of securing members 611 respectively, pitching half gear 62 and the 4th gear 610 engagements that are installed in second transverse axis, 66 two ends.The 3rd reductor 61 drives output gear 63 rotations, drives first gear, 65 rotations that are engaged with, thereby makes 64 rotations of first transverse axis; First gear 65 drives second gear, 67 rotations that are engaged with, thereby makes 66 rotations of second transverse axis; First transverse axis 65, second transverse axis 66 drive the 3rd gear 69,610 rotations of the 4th gear that are separately fixed at its termination and are engaged with each other; Driving pitching half gear 62 through the 4th gear 610 rotates; Thereby driving pitching workbench 22 rotates; The angle that present embodiment pitching workbench 22 rotates is in 45 ° ± 15 ° scopes, and the extreme position that pitching workbench 22 rotates is through travel switch control.

As shown in Figure 2; Loading shovel 8 is fixedly mounted on the finger plate 23; Can be according to the welding needs of loading shovel 7; Loading shovel 8 not only can be with workbench vertical lift about in the of 2, and can also rotate 360 ° around vertical axis through work table rotation device 5, and can pass through 45 ° of workbench elevation mount 5 front and back pitching.From electric cabinet 7, can pick out manual welding gauge tap box; The operator can be held in the hand or place in place; Can limit operation element edge of table weld loading shovel 8; Loading shovel 8 is transferred to desirable horizontal welding position welds, help improving welding quality, and can alleviate welder's labour intensity greatly.

The present invention can also be applicable to the welding of metal structure industry complex structural members such as pressure vessel, metallurgy, electric power, chemical machinery.

Except that the foregoing description, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.

Claims

1. tri-axial positioning machine for welding loading shovel; It is characterized in that: comprise vertical fuselage, workbench, worktable lifting device, guider, work table rotation device, workbench elevation mount, said vertical fuselage comprises entablature, two heel posts that support entablature, the base that is fixedly connected with column; Said guider comprises the lead that is positioned at the column front side, the guide housings of kink on lead; Said workbench is arranged between entablature and the base; Comprise and decide workbench, be arranged on the pitching workbench of deciding in the workbench, the finger plate that is arranged on pitching workbench upside; Said inboard of deciding workbench is fixedly connected with guide housings, and said pitching workbench both sides are passed through bolster respectively and decide workbench hinged; Said worktable lifting device is arranged in the entablature, and the two ends through driving-belt are connected with workbench, counterweight respectively; Said work table rotation device is arranged on the workbench upside, and said workbench elevation mount is arranged in the workbench.

2. tri-axial positioning machine for welding loading shovel as claimed in claim 1; It is characterized in that: said worktable lifting device also comprises first reductor, preceding transverse axis, rear cross shaft, 4 transverse axis bearings, 2 pairs of drives, and every pair of drive comprises forward and backward drive; Said first reductor is fixed on the base plate of entablature, and its output shaft is connected with preceding transverse axis follower through driving wheel, flexible band, said forward and backward transverse axis setting, and its two ends are passed through the output shaft seat supports respectively on the base plate of entablature; Forward and backward drive also is housed on the two ends on the forward and backward transverse axis symmetrically, and said flexible band is walked around forward and backward drive respectively, and the one of which end is connected with the counterweight upside, and the other end is connected with the workbench upside.

3. tri-axial positioning machine for welding loading shovel as claimed in claim 1 is characterized in that: said guider also comprises 4 guide rollers; Said 4 guide rollers pass across the upper and lower side of guide housings respectively, grasp the both sides of lead; The two ends of said guide roller are bearing in the guide housings through bearing respectively.

4. tri-axial positioning machine for welding loading shovel as claimed in claim 1; It is characterized in that: said work table rotation device comprises second reductor, floating bearing; Said second reductor is vertically set on the interior upside of deciding workbench, and its output shaft is fixedly connected with gear after passing pitching workbench top board, said gear and the engagement of floating bearing ring gear; Said floating bearing ring gear is fixedly connected with the finger plate that is positioned at its upside, and the floating bearing outer ring is fixed on the pitching workbench top board.

5. tri-axial positioning machine for welding loading shovel as claimed in claim 1 is characterized in that: said workbench elevation mount comprises the 3rd reductor, the 3 pairs of gears, 2 transverse axis, pitching half gear; Said the 3rd reductor is fixedly mounted on to be decided in the workbench; Its output gear be installed in first gears engaged on first transverse axis; Said first gear be installed in second gears engaged on second transverse axis, said first transverse axis, second transverse axis are being decided on the both sides of workbench through bearings respectively, the two ends of first transverse axis, second transverse axis are stretched out respectively and are decided the workbench both sides; The 3rd gear, the 4th gear are installed in respectively on the two ends of first transverse axis, second transverse axis, and are engaged with each other; Said pitching half gear is fixedly connected with pitching workbench both sides respectively, this pitching half gear and the 4th gears engaged that is installed in the second transverse axis two ends.

6. tri-axial positioning machine for welding loading shovel as claimed in claim 1; It is characterized in that: vertical several table lock tieholens that is provided with of said lead; When workbench remains static; Check lock lever is inserted in the locking hole of lead, and the top edge of said check lock lever is resisted against on the downside of workbench.