CN204487078U - A kind of positioner being applicable to oil tank of transformer welding - Google Patents

A kind of positioner being applicable to oil tank of transformer welding Download PDF

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Publication number
CN204487078U
CN204487078U CN201520088406.XU CN201520088406U CN204487078U CN 204487078 U CN204487078 U CN 204487078U CN 201520088406 U CN201520088406 U CN 201520088406U CN 204487078 U CN204487078 U CN 204487078U
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CN
China
Prior art keywords
support
oil tank
transformer
support bar
positioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520088406.XU
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Chinese (zh)
Inventor
于华
付邦晨
牛浩然
许德章
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Wuhu Anpu Robot Industry Technology Research Institute Co Ltd
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Wuhu Anpu Robot Industry Technology Research Institute Co Ltd
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Priority to CN201520088406.XU priority Critical patent/CN204487078U/en
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Publication of CN204487078U publication Critical patent/CN204487078U/en
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Abstract

The utility model relates to a kind of positioner being applicable to oil tank of transformer welding, and described positioner comprises support, grip device, whirligig, jockey; Grip device mainly comprises hydraulic cylinder, connecting rod, contiguous block, thrust bearing, push rod, connecting rod, support bar, a backstay, locating piece, positioning roller.Turn device mainly comprises servomotor, shaft coupling, driving shaft, driven wheel, bull gear, turning cylinder, taper roll bearing.Jockey mainly comprises connecting plate, connecting pin, support plate, upper supporting rollern, lower support roller.The utility model moves to correct position by eight positioning roller of grip device, realizes the location of oil tank of transformer scaffold, clamping; The rotation of oil tank of transformer scaffold can be realized by the bull gear of whirligig, ensure that the fin on transformer four faces can carry out erecting and welding at horizontal plane position.Like this, both ensure that welding quality, alleviate the labour intensity of workman.

Description

A kind of positioner being applicable to oil tank of transformer welding
Technical field
The utility model relates to a kind of positioner of welding jig technical field, specifically a kind of positioner being applicable to oil tank of transformer welding.
Background technology
Transformer all plays vital effect at links such as generating, transmission of electricity, distribution, electric energy conversion and power consumptions.Under China drops into the drive that huge fund carries out electric network reconstruction, Rail Transit System raises speed the projects such as upgrading, city underground, intercity high ferro, China's transformer industry presents the situation of high speed development.On the other hand, transformer manufacturing level is still lower.During the welding of current oil tank of transformer, primarily of manually carrying out overturning, assembling, weld, labour intensity is large, efficiency is low, difficult quality guarantee.
At present, positioner most study be welding for the medium-and-large-sized frame of engineering machinery, and for the welding of large-size pipe, close sealed filling body, the positioner that can be used for oil tank of transformer welding is less, and its version is generally revolution-tilting, the inconvenient inside from transformer oil cabinet frame is to its location, clamping.
Summary of the invention
For the deficiency of above-mentioned technology, the utility model proposes a kind of positioner being applicable to oil tank of transformer welding, this positioner can be located from the inside of transformer oil cabinet frame it easily, clamping, also can adapt to the change of oil tank of transformer framework size within the specific limits.This positioner positioning precision is high, can be used for robot welding work system.
Be applicable to a positioner for oil tank of transformer welding, mainly comprise support, grip device, whirligig, jockey.
Described grip device comprises bearing pin, hold-down screw, fulcrum post and the hydraulic cylinder bearing be arranged on support aft bulkhead, described hydraulic cylinder bearing front end is provided with hydraulic cylinder by fulcrum post, described hydraulic cylinder front end is provided with piston rod, described piston rod is fixedly connected with connecting rod, described connecting rod front end has been rotatably connected contiguous block, described contiguous block front end is connected with push rod, described push rod front end is articulated with a connecting rod in symmetrical mode, described one end that connecting rod is deviating from described push rod is all articulated with support bar, described post upper, lower end is all hinged with backstay, described backstay is in the front portion of end face deviating from described push rod, rear portion is all installed with locating piece, described locating piece is provided with positioning roller by bearing pin, on rear side of the described locating piece being positioned at backstay rear portion, end face is all connected with location-plate, described backstay is equipped with four-bar mechanism on position, front end, described backstay is all provided with supporting plate by hold-down screw on the position, end face rear end deviating from described support bar, described supporting plate rear portion is all provided with adjustment screw, described adjustment screw is all provided with locking nut in the one end deviating from described support bar, described adjustment screw is all connected with back-moving spring in the one end near described support bar, described back-moving spring is all connected with in the adjustment screw one end deviating from described correspondence the spring support be fixedly mounted on support bar rear end face.
The concrete mode be rotatably connected is: two thrust bearings are equipped with in described connecting rod front end, the outer ring of described two thrust bearings is close on the two sides of contiguous block, and described two thrust bearing front ends have described two the hard-wired baffle plates of thrust bearing, screws.The described part that is rotatably connected can ensure that hydraulic cylinder piston rod, connecting rod do not rotate with whirligig.
Described four-bar mechanism comprises two in the locating piece anterior end surface that is fixedly mounted on and is positioned at described support bar front upper ships and resell on another market axle and is fixedly mounted in the locating piece anterior end surface of the below being positioned at described support bar front portion under two to ship and resell on another market axle, axle that described two are shipped and resell on another market is connected to two upper side links, axle of shipping and reselling on another market under described two is connected to two lower side links, described two upper between side link with described two lower side links respectively corresponding be provided with go up side link with described two, No. two connecting rods that two lower side links are connected with head and end articulated manner.Four-bar mechanism is for ensureing that the backstay of the upper and lower both sides of each support bar synchronously vertically struts.
In above-mentioned grip device, described positioning roller is eight, and can outwards strut, be supported on eight angles of oil tank of transformer support frame respectively, its size strutted can according to the length and width size of oil tank of transformer from Row sum-equal matrix simultaneously; Described locating piece can adjust position in the groove of backstay, to adapt to the oil tank of transformer support frame of different depth size; Described back-moving spring is after guarantee oil tank of transformer has welded, and backstay can reliable reset, thus successfully unloads oil tank of transformer.This compact conformation, locates accurately convenient and is convenient to dismounting.
Described whirligig comprises two taper roll bearings and is fixedly mounted on the servomotor of described support lower front part, described servomotor front end is provided with rotating shaft, described rotating shaft is provided with shaft coupling, described shaft coupling front end is connected with driving shaft, described driving shaft front end is axially connected with driven wheel, described driven wheel is engaged with bull gear, described bull gear is axially connected with turning cylinder, described turning cylinder left part has the bearing spider described turning cylinder being supported installation by two taper roll bearings, and described bearing spider is fixedly mounted on base inner.
Described turning cylinder is hollow structure, and described piston rod and connecting rod are positioned at turning cylinder axial line position.
Why turning course performed by above-mentioned whirligig can carry out smoothly, is because connecting rod is connected with push rod by contiguous block, for empty set is connected between contiguous block with connecting rod, can relatively rotates between them.This device can realize accurate transposition, is convenient to adopt welding robot automatic welding.
The connecting plate that described jockey comprises connecting pin, be connected with bull gear by connecting pin and be fixedly mounted on support bar rear end extension position on support plate, supporting rollern and a lower support roller on one that is all adjacent in the guide wall of connecting plate are respectively equipped with in described support plate two ends.Be gathering sill in the middle of described connecting plate, upper and lower both sides, connecting plate front end are respectively connected with one piece of guide plate.Grip device and whirligig link together by connecting plate, thus drive whole grip device to rotate by whirligig.
The beneficial effects of the utility model are:
The utility model positioner makes eight positioning roller stretch out by link gear simultaneously, and transformer framework struts from inner chamber by eight positioning roller, thus realizes location, the clamping of transformer framework.This link gear compact conformation, location is accurately convenient.And the unlimited property of fixture is good, is convenient to the handling of workpiece.
The utility model positioner can the size of alignment jig location, clamp system within the specific limits, thus the oil tank of transformer within the scope of available positioner welding certain size, the number of units of positioner can be reduced.
The utility model positioner drives oil tank of transformer to rotate by servomotor, can realize accurate transposition, is convenient to adopt welding robot automatic welding.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, utility model is further illustrated.
Fig. 1 is the perspective view of the guide plate on the utility model removing push rod top;
Fig. 2 is main TV structure schematic diagram of the present utility model;
Fig. 3 is partial side TV structure schematic diagram of the present utility model;
Fig. 4 is the A-A sectional view of Fig. 2;
Fig. 5 is the I place close-up schematic view of the utility model about Fig. 4;
Fig. 6 is the perspective view after the utility model and oil tank of transformer support frame are installed.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below the utility model being set forth further.
As shown in Figures 1 to 6, a kind of positioner being applicable to oil tank of transformer welding, mainly comprises support 1, grip device, whirligig, jockey.
Described grip device comprises bearing pin 15, hold-down screw 23, fulcrum post 31 and the hydraulic cylinder bearing 32 be arranged on support 1 aft bulkhead, described hydraulic cylinder bearing 32 front end is provided with hydraulic cylinder 33 by fulcrum post 31, described hydraulic cylinder 33 front end is provided with piston rod 37, described piston rod 37 is fixedly connected with connecting rod 39, described connecting rod 39 front end has been rotatably connected contiguous block 47, described contiguous block 47 front end is connected with push rod 10, described push rod 10 front end is articulated with a connecting rod 9 in symmetrical mode, described one end that a connecting rod 9 is deviating from described push rod 10 is all articulated with support bar 13, described support bar 13 upper end, lower end is all hinged with backstay 5, described backstay 5 is in the front portion of end face deviating from described push rod 10, rear portion is all installed with locating piece 14, described locating piece 14 is provided with positioning roller 16 by bearing pin 15, on rear side of the described locating piece 14 being positioned at backstay 5 rear portion, end face is all connected with location-plate 17, described backstay 5 is equipped with four-bar mechanism on position, front end, described backstay 5 is all provided with supporting plate 22 by hold-down screw 23 on the position, end face rear end deviating from described support bar 13, described supporting plate 22 rear portion is all provided with adjustment screw 24, described adjustment screw 24 is all provided with locking nut 25 in the one end deviating from described support bar 13, described adjustment screw 24 is all connected with back-moving spring 29 in the one end near described support bar 13, described back-moving spring 29 is all connected with in adjustment screw 24 one end deviating from described correspondence the spring support 30 be fixedly mounted on support bar 13 rear end face.
The concrete mode be rotatably connected is: two thrust bearings 46 are equipped with in described connecting rod 39 front end, the outer ring of described two thrust bearings 46 is close on the two sides of contiguous block 47, and described two thrust bearing 46 front ends have the hard-wired baffle plate 48 of described two thrust bearings 46, screw 49.Describedly be rotatably connected that part can ensure hydraulic cylinder piston rod 37, connecting rod 39 do not rotate with whirligig.
Described four-bar mechanism comprises two in locating piece 14 anterior end surface that is fixedly mounted on and is positioned at described support bar 13 front upper ships and resell on another market axle 8 and is fixedly mounted in locating piece 14 anterior end surface of the below being positioned at described support bar 13 front portion under two to ship and resell on another market axle 12, axle 8 that described two are shipped and resell on another market is connected to two upper side links 18, axle 12 of shipping and reselling on another market under described two is connected to two lower side links 20, go up corresponding respectively between side link 18 with described two lower side links 20 being provided with and described two upper side links 18 for described two, two lower side links 20) with No. two connected connecting rods 19 of head and end articulated manner.Four-bar mechanism is for ensureing that the backstay 5 of each support bar about 13 both sides synchronously vertically struts.
In above-mentioned grip device, described positioning roller 16 is eight, and can outwards strut, be supported on eight angles of oil tank of transformer support frame respectively, its size strutted can according to the length and width size of oil tank of transformer from Row sum-equal matrix simultaneously; Described locating piece 14 can adjust position in the groove of backstay, to adapt to the oil tank of transformer support frame of different depth size; Described back-moving spring 29 is after guarantee oil tank of transformer has welded, and backstay 5 can reliable reset, thus successfully unloads oil tank of transformer.This compact conformation, locates accurately convenient and is convenient to dismounting.
Described whirligig comprises two taper roll bearings 36 and is fixedly mounted on the servomotor 45 of described support 1 lower front part, described servomotor 45 front end is provided with rotating shaft 44, described rotating shaft 44 is provided with shaft coupling 43, described shaft coupling 43 front end is connected with driving shaft 42, described driving shaft 42 front end is axially connected with driven wheel 21, described driven wheel 21 is engaged with bull gear 3, described bull gear 3 is axially connected with turning cylinder 38, described turning cylinder 38 left part has the bearing spider 35 described turning cylinder 38 being supported installation by two taper roll bearings 36, it is inner that described bearing spider 35 is fixedly mounted on support 1.
Described turning cylinder 38 is hollow structure, and described piston rod 37 and connecting rod 39 are positioned at turning cylinder 38 axial line position.
Why turning course performed by above-mentioned whirligig can carry out smoothly, is because connecting rod 39 is connected with push rod 10 by contiguous block 47, for empty set is connected between contiguous block 47 with connecting rod 39, can relatively rotates between them.This device can realize accurate transposition, is convenient to adopt welding robot automatic welding.
The connecting plate 4 that described jockey comprises connecting pin 2, be connected with bull gear 3 by connecting pin 2 and be fixedly mounted on support bar 5 rear end extension position on support plate 28, supporting rollern 26 and a lower support roller 27 on one that is all adjacent in the guide wall of connecting plate 4 are respectively equipped with in described support plate 28 two ends.Be gathering sill in the middle of described connecting plate 4, upper and lower both sides, connecting plate 4 front end are respectively connected with one piece of guide plate 11.Grip device and whirligig link together by connecting plate, thus drive whole grip device to rotate by whirligig.
The implementation process of the utility model positioner:
The location of grip device, clamping process: primer fluid cylinder pressure 33, hydraulic cylinder 33 back cavity leads to pressure oil, piston rod 37 moves forward together with connecting rod 39, drives push rod 10 to move forward together by contiguous block 47, and push rod 10 makes support bar 13 outwards movement by a connecting rod 9.Due to before and after a connecting rod 9 being connected with push rod 10 uniform two, so simultaneously evenly outwards mobile before and after support bar 13.Support bar 13 is fixedly connected with support plate 28, the upper supporting rollern 26 of support plate 28 both sides and lower support roller 27 move along the guide wall of connecting plate 4, limit support bar 13 thus can only move left and right, can not seesaw, thus make the position location not change of fixture fore-and-aft direction.When the locating piece 14 be articulated and connected with support bar 13 touches transformer scaffold 50 in the horizontal direction together with positioning roller 17, under push rod 10 thrust, two backstays 5 up and down that both sides are connected on corresponding support bar 13 vertically move equably under the effect of four-bar mechanism, until eight angular contact of eight positioning roller 17 and transformer scaffold 50.When contact force reaches predetermined value, hydraulic system fuel cut-off, and by control system, this position is pinned, so far, location, clamping process are terminated.
The turning course of grip device: when needs grip device turns round, start servomotor 45, servomotor rotating shaft 44 drives by shaft coupling 43 that driving shaft 42 turns round, driving shaft 42 drives driven wheel 21 to turn round, driven wheel 21 drives bull gear 3 to turn round, bull gear 3 turns round by driving together with support bar 13, backstay 5, locating piece 14, positioning roller 17 with the connecting plate 4 that it is fixedly connected with, thus drive the subsequent work face of oil tank of transformer scaffold 50 to be turned back to horizontal welding post, complete the welding of fin on next working face.Its pivotal speed and angle are controlled by semiclosed loop feedback, and rotating accuracy is high.
The release process of grip device: when needing after oil tank of transformer has welded to unload lower fuel tank, control system makes hydraulic cylinder 33 oppositely fuel feeding, piston rod 37 moves backward together with connecting rod 39, push rod 10 is driven to move backward together by contiguous block 47, push rod 10 makes support bar 10 move inward by a connecting rod 9, meanwhile, two backstays 5 up and down that both sides are connected on corresponding support bar 13 draw under the pulling force effect of back-moving spring 29.When piston rod 37 gets back to original position, by buting iron depression stroke switch, send control instruction, hydraulic system quits work, and grip device unclamps, and reset work completes.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and description; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (5)

1. be applicable to a positioner for oil tank of transformer welding, mainly comprise support (1), grip device, whirligig, jockey;
Described grip device comprises bearing pin (15), hold-down screw (23), fulcrum post (31) and the hydraulic cylinder bearing (32) be arranged on support (1) aft bulkhead, it is characterized in that: described hydraulic cylinder bearing (32) front end is provided with hydraulic cylinder (33) by fulcrum post (31), described hydraulic cylinder (33) front end is provided with piston rod (37), described piston rod (37) is fixedly connected with connecting rod (39), described connecting rod (39) front end has been rotatably connected contiguous block (47), described contiguous block (47) front end is connected with push rod (10), described push rod (10) front end is articulated with a connecting rod (9) in symmetrical mode, a described connecting rod (9) is all articulated with support bar (13) in the one end deviating from described push rod (10), described support bar (13) upper end, lower end is all hinged with backstay (5), described backstay (5) is in the front portion of end face deviating from described push rod (10), rear portion is all installed with locating piece (14), described locating piece (14) is provided with positioning roller (16) by bearing pin (15), described locating piece (14) the rear side end face being positioned at backstay (5) rear portion is all connected with location-plate (17), described backstay (5) is equipped with four-bar mechanism on position, front end, described backstay (5) is all provided with supporting plate (22) by hold-down screw (23) on the position, end face rear end deviating from described support bar (13), described supporting plate (22) rear portion is all provided with adjustment screw (24), described adjustment screw (24) is all provided with locking nut (25) in the one end deviating from described support bar (13), described adjustment screw (24) is all connected with back-moving spring (29) in the one end near described support bar (13), described back-moving spring (29) is all connected with the spring support (30) be fixedly mounted on support bar (13) rear end face in adjustment screw (24) one end deviating from described correspondence,
Described whirligig comprises two taper roll bearings (36) and is fixedly mounted on the servomotor (45) of described support (1) lower front part, described servomotor (45) front end is provided with rotating shaft (44), described rotating shaft (44) is provided with shaft coupling (43), described shaft coupling (43) front end is connected with driving shaft (42), described driving shaft (42) front end is axially connected with driven wheel (21), described driven wheel (21) is engaged with bull gear (3), described bull gear (3) is axially connected with turning cylinder (38), described turning cylinder (38) left part has the bearing spider (35) installed by the support of two taper roll bearings (36) by described turning cylinder (38), it is inner that described bearing spider (35) is fixedly mounted on support (1),
The connecting plate (4) that described jockey comprises connecting pin (2), be connected with bull gear (3) by connecting pin (2) and be fixedly mounted on support bar (5) rear end extension position on support plate (28), the upper supporting rollern (26) and a lower support roller (27) that are all adjacent in the guide wall of connecting plate (4) are respectively equipped with in described support plate (28) two ends.
2. a kind of positioner being applicable to oil tank of transformer welding according to claim 1, it is characterized in that: described four-bar mechanism comprise two that are fixedly mounted on and are positioned in locating piece (14) anterior end surface of described support bar (13) front upper shipped and resell on another market axle (8) and be fixedly mounted on be positioned at the anterior below of described support bar (13) locating piece (14) anterior end surface on two under to ship and resell on another market axle (12), axle (8) that described two are shipped and resell on another market is connected to two upper side links (18), axle (12) of shipping and reselling on another market under described two is connected to two lower side links (20), go up corresponding respectively between side link (18) with described two lower side links (20) being provided with and described two upper side links (18) for described two, No. two connecting rods (19) that two lower side links (20) are connected with head and end articulated manner.
3. a kind of positioner being applicable to oil tank of transformer welding according to claim 1, it is characterized in that: two thrust bearings (46) are equipped with in described connecting rod (39) front end, the outer ring of described two thrust bearings (46) is close on the two sides of contiguous block (47), and described two thrust bearing (46) front ends have described two the hard-wired baffle plate of thrust bearings (46) (48), screw (49).
4. a kind of positioner being applicable to oil tank of transformer welding according to claim 1, it is characterized in that: described turning cylinder (38) is hollow structure, described piston rod (37) and connecting rod (39) are positioned at turning cylinder (38) axial line position.
5. a kind of positioner being applicable to oil tank of transformer welding according to claim 1, it is characterized in that: be gathering sill in the middle of described connecting plate (4), upper and lower both sides, connecting plate (4) front end are respectively connected with one piece of guide plate (11).
CN201520088406.XU 2015-02-07 2015-02-07 A kind of positioner being applicable to oil tank of transformer welding Withdrawn - After Issue CN204487078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520088406.XU CN204487078U (en) 2015-02-07 2015-02-07 A kind of positioner being applicable to oil tank of transformer welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520088406.XU CN204487078U (en) 2015-02-07 2015-02-07 A kind of positioner being applicable to oil tank of transformer welding

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104607857A (en) * 2015-02-07 2015-05-13 芜湖安普机器人产业技术研究院有限公司 Positioner suitable for transformer oil tank welding
WO2020155572A1 (en) * 2019-01-30 2020-08-06 南通科钛机器人系统有限公司 Rotation tool for transformer oil tank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104607857A (en) * 2015-02-07 2015-05-13 芜湖安普机器人产业技术研究院有限公司 Positioner suitable for transformer oil tank welding
CN104607857B (en) * 2015-02-07 2016-06-01 芜湖安普机器人产业技术研究院有限公司 A kind of displacement machine being applicable to oil tank of transformer welding
WO2020155572A1 (en) * 2019-01-30 2020-08-06 南通科钛机器人系统有限公司 Rotation tool for transformer oil tank

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AV01 Patent right actively abandoned

Granted publication date: 20150722

Effective date of abandoning: 20160601

C25 Abandonment of patent right or utility model to avoid double patenting